Pull merge from viewer-chui

465 files changed, 27932 insertions, 23194 deletions

diff --git a/indra/llcharacter/llanimationstates.cpp b/indra/llcharacter/llanimationstates.cpp
index 155226cf17..c16cae1bbc 100644
--- a/indra/llcharacter/llanimationstates.cpp
+++ b/indra/llcharacter/llanimationstates.cpp
@@ -46,7 +46,7 @@ LLUUID const ANIM_AGENT_BLOW_KISS             ("db84829b-462c-ee83-1e27-9bbee66b
 LLUUID const ANIM_AGENT_BORED                 ("b906c4ba-703b-1940-32a3-0c7f7d791510");
 LLUUID const ANIM_AGENT_BOW                   ("82e99230-c906-1403-4d9c-3889dd98daba");
 LLUUID const ANIM_AGENT_BRUSH                 ("349a3801-54f9-bf2c-3bd0-1ac89772af01");
-LLUUID const ANIM_AGENT_BUSY                  ("efcf670c-2d18-8128-973a-034ebc806b67");
+LLUUID const ANIM_AGENT_DO_NOT_DISTURB        ("efcf670c-2d18-8128-973a-034ebc806b67");
 LLUUID const ANIM_AGENT_CLAP                  ("9b0c1c4e-8ac7-7969-1494-28c874c4f668");
 LLUUID const ANIM_AGENT_COURTBOW              ("9ba1c942-08be-e43a-fb29-16ad440efc50");
 LLUUID const ANIM_AGENT_CROUCH                ("201f3fdf-cb1f-dbec-201f-7333e328ae7c");
@@ -211,7 +211,7 @@ LLAnimationLibrary::LLAnimationLibrary() :
 	mAnimMap[ANIM_AGENT_BORED]=				mAnimStringTable.addString("express_bored");
 	mAnimMap[ANIM_AGENT_BOW]=				mAnimStringTable.addString("bow");
 	mAnimMap[ANIM_AGENT_BRUSH]=				mAnimStringTable.addString("brush");
-	mAnimMap[ANIM_AGENT_BUSY]=				mAnimStringTable.addString("busy");
+	mAnimMap[ANIM_AGENT_DO_NOT_DISTURB]=	mAnimStringTable.addString("busy");
 	mAnimMap[ANIM_AGENT_CLAP]=				mAnimStringTable.addString("clap");
 	mAnimMap[ANIM_AGENT_COURTBOW]=			mAnimStringTable.addString("courtbow");
 	mAnimMap[ANIM_AGENT_CROUCH]=			mAnimStringTable.addString("crouch");
diff --git a/indra/llcharacter/llanimationstates.h b/indra/llcharacter/llanimationstates.h
index aa6579ac8e..84185c3f92 100644
--- a/indra/llcharacter/llanimationstates.h
+++ b/indra/llcharacter/llanimationstates.h
@@ -56,7 +56,7 @@ extern const LLUUID ANIM_AGENT_BLOW_KISS;
 extern const LLUUID ANIM_AGENT_BORED;
 extern const LLUUID ANIM_AGENT_BOW;
 extern const LLUUID ANIM_AGENT_BRUSH;
-extern const LLUUID ANIM_AGENT_BUSY;
+extern const LLUUID ANIM_AGENT_DO_NOT_DISTURB;
 extern const LLUUID ANIM_AGENT_CLAP;
 extern const LLUUID ANIM_AGENT_COURTBOW;
 extern const LLUUID ANIM_AGENT_CROUCH;
diff --git a/indra/llcommon/llassettype.cpp b/indra/llcommon/llassettype.cpp
index 5e566d6c7c..5ae2df3994 100644
--- a/indra/llcommon/llassettype.cpp
+++ b/indra/llcommon/llassettype.cpp
@@ -95,6 +95,7 @@ LLAssetDictionary::LLAssetDictionary()
 	addEntry(LLAssetType::AT_LINK_FOLDER, 		new AssetEntry("FOLDER_LINK",		"link_f", 	"sym folder link",	false,		false,		true));
 	addEntry(LLAssetType::AT_MESH,              new AssetEntry("MESH",              "mesh",     "mesh",             false,      false,      false));
 	addEntry(LLAssetType::AT_WIDGET,            new AssetEntry("WIDGET",            "widget",   "widget",           false,      false,      false));
+	addEntry(LLAssetType::AT_PERSON,            new AssetEntry("PERSON",            "person",   "person",           false,      false,      false));
 	addEntry(LLAssetType::AT_NONE, 				new AssetEntry("NONE",				"-1",		NULL,		  		FALSE,		FALSE,		FALSE));
 
 };
diff --git a/indra/llcommon/llassettype.h b/indra/llcommon/llassettype.h
index d538accbf7..69b01731e5 100644
--- a/indra/llcommon/llassettype.h
+++ b/indra/llcommon/llassettype.h
@@ -112,6 +112,9 @@ public:
 		AT_WIDGET = 40,
 			// UI Widget: this is *not* an inventory asset type, only a viewer side asset (e.g. button, other ui items...)
 		
+		AT_PERSON = 45,
+			// A user uuid  which is not an inventory asset type, used in viewer only for adding a person to a chat via drag and drop.
+
 		AT_MESH = 49,
 			// Mesh data in our proprietary SLM format
 		
diff --git a/indra/llcommon/llavatarname.cpp b/indra/llcommon/llavatarname.cpp
index 3206843bf4..95ecce509b 100644
--- a/indra/llcommon/llavatarname.cpp
+++ b/indra/llcommon/llavatarname.cpp
@@ -30,6 +30,7 @@
 #include "llavatarname.h"
 
 #include "lldate.h"
+#include "llframetimer.h"
 #include "llsd.h"
 
 // Store these in pre-built std::strings to avoid memory allocations in
@@ -42,6 +43,14 @@ static const std::string IS_DISPLAY_NAME_DEFAULT("is_display_name_default");
 static const std::string DISPLAY_NAME_EXPIRES("display_name_expires");
 static const std::string DISPLAY_NAME_NEXT_UPDATE("display_name_next_update");
 
+bool LLAvatarName::sUseDisplayNames = true;
+
+// Minimum time-to-live (in seconds) for a name entry.
+// Avatar name should always guarantee to expire reasonably soon by default
+// so if the failure to get a valid expiration time was due to something temporary 
+// we will eventually request and get the right data.
+const F64 MIN_ENTRY_LIFETIME = 60.0;
+
 LLAvatarName::LLAvatarName()
 :	mUsername(),
 	mDisplayName(),
@@ -61,6 +70,17 @@ bool LLAvatarName::operator<(const LLAvatarName& rhs) const
 		return mUsername < rhs.mUsername;
 }
 
+//static 
+void LLAvatarName::setUseDisplayNames(bool use)
+{
+	sUseDisplayNames = use;
+}
+//static 
+bool LLAvatarName::useDisplayNames() 
+{ 
+	return sUseDisplayNames; 
+}
+
 LLSD LLAvatarName::asLLSD() const
 {
 	LLSD sd;
@@ -85,36 +105,120 @@ void LLAvatarName::fromLLSD(const LLSD& sd)
 	mExpires = expires.secondsSinceEpoch();
 	LLDate next_update = sd[DISPLAY_NAME_NEXT_UPDATE];
 	mNextUpdate = next_update.secondsSinceEpoch();
+	
+	// Some avatars don't have explicit display names set. Force a legible display name here.
+	if (mDisplayName.empty())
+	{
+		mDisplayName = mUsername;
+	}
+}
+
+// Transform a string (typically provided by the legacy service) into a decent
+// avatar name instance.
+void LLAvatarName::fromString(const std::string& full_name)
+{
+	mDisplayName = full_name;
+	std::string::size_type index = full_name.find(' ');
+	if (index != std::string::npos)
+	{
+		// The name is in 2 parts (first last)
+		mLegacyFirstName = full_name.substr(0, index);
+		mLegacyLastName = full_name.substr(index+1);
+		if (mLegacyLastName != "Resident")
+		{
+			mUsername = mLegacyFirstName + "." + mLegacyLastName;
+			mDisplayName = full_name;
+			LLStringUtil::toLower(mUsername);
+		}
+		else
+		{
+			// Very old names do have a dummy "Resident" last name 
+			// that we choose to hide from users.
+			mUsername = mLegacyFirstName;
+			mDisplayName = mLegacyFirstName;
+		}
+	}
+	else
+	{
+		mLegacyFirstName = full_name;
+		mLegacyLastName = "";
+		mUsername = full_name;
+		mDisplayName = full_name;
+	}
+	mIsDisplayNameDefault = true;
+	mIsTemporaryName = true;
+	setExpires(MIN_ENTRY_LIFETIME);
+}
+
+void LLAvatarName::setExpires(F64 expires)
+{
+	mExpires = LLFrameTimer::getTotalSeconds() + expires;
 }
 
 std::string LLAvatarName::getCompleteName() const
 {
 	std::string name;
-	if (mUsername.empty() || mIsDisplayNameDefault)
-	// If the display name feature is off
-	// OR this particular display name is defaulted (i.e. based on user name),
-	// then display only the easier to read instance of the person's name.
+	if (sUseDisplayNames)
 	{
-		name = mDisplayName;
+		if (mUsername.empty() || mIsDisplayNameDefault)
+		{
+			// If this particular display name is defaulted (i.e. based on user name),
+			// then display only the easier to read instance of the person's name.
+			name = mDisplayName;
+		}
+		else
+		{
+			name = mDisplayName + " (" + mUsername + ")";
+		}
 	}
 	else
 	{
-		name = mDisplayName + " (" + mUsername + ")";
+		name = getUserName();
 	}
 	return name;
 }
 
-std::string LLAvatarName::getLegacyName() const
+std::string LLAvatarName::getDisplayName() const
 {
-	if (mLegacyFirstName.empty() && mLegacyLastName.empty()) // display names disabled?
+	if (sUseDisplayNames)
 	{
 		return mDisplayName;
 	}
+	else
+	{
+		return getUserName();
+	}
+}
 
+std::string LLAvatarName::getUserName() const
+{
 	std::string name;
-	name.reserve( mLegacyFirstName.size() + 1 + mLegacyLastName.size() );
-	name = mLegacyFirstName;
-	name += " ";
-	name += mLegacyLastName;
+	if (mLegacyLastName.empty() || (mLegacyLastName == "Resident"))
+	{
+		if (mLegacyFirstName.empty())
+		{
+			// If we cannot create a user name from the legacy strings, use the display name
+			name = mDisplayName;
+		}
+		else
+		{
+			// The last name might be empty if it defaulted to "Resident"
+			name = mLegacyFirstName;
+		}
+	}
+	else
+	{
+		name = mLegacyFirstName + " " + mLegacyLastName;
+	}
 	return name;
 }
+
+void LLAvatarName::dump() const
+{
+	LL_DEBUGS("AvNameCache") << "LLAvatarName: "
+	                         << "user '" << mUsername << "' "
+							 << "display '" << mDisplayName << "' "
+	                         << "expires in " << mExpires - LLFrameTimer::getTotalSeconds() << " seconds"
+							 << LL_ENDL;
+}
+
diff --git a/indra/llcommon/llavatarname.h b/indra/llcommon/llavatarname.h
index ba258d6d52..4827353018 100644
--- a/indra/llcommon/llavatarname.h
+++ b/indra/llcommon/llavatarname.h
@@ -39,23 +39,62 @@ public:
 	
 	bool operator<(const LLAvatarName& rhs) const;
 
+	// Conversion to and from LLSD (cache file or server response)
 	LLSD asLLSD() const;
-
 	void fromLLSD(const LLSD& sd);
 
+	// Used only in legacy mode when the display name capability is not provided server side
+	// or to otherwise create a temporary valid item.
+	void fromString(const std::string& full_name);
+	
+	// Set the name object to become invalid in "expires" seconds from now
+	void setExpires(F64 expires);
+
+	// Set and get the display name flag set by the user in preferences.
+	static void setUseDisplayNames(bool use);
+	static bool useDisplayNames();
+	
+	// A name object is valid if not temporary and not yet expired (default is expiration not checked)
+	bool isValidName(F64 max_unrefreshed = 0.0f) const { return !mIsTemporaryName && (mExpires >= max_unrefreshed); }
+	
+	// Return true if the name is made up from legacy or temporary data
+	bool isDisplayNameDefault() const { return mIsDisplayNameDefault; }
+	
 	// For normal names, returns "James Linden (james.linden)"
 	// When display names are disabled returns just "James Linden"
 	std::string getCompleteName() const;
+	
+	// "José Sanchez" or "James Linden", UTF-8 encoded Unicode
+	// Takes the display name preference into account. This is truly the name that should 
+	// be used for all UI where an avatar name has to be used unless we truly want something else (rare)
+	std::string getDisplayName() const;
+	
+	// Returns "James Linden" or "bobsmith123 Resident"
+	// Used where we explicitely prefer or need a non UTF-8 legacy (ASCII) name
+	// Also used for backwards compatibility with systems like voice and muting
+	std::string getUserName() const;
+	
+	// Returns "james.linden" or the legacy name for very old names
+	std::string getAccountName() const { return mUsername; }
 
-	// Returns "James Linden" or "bobsmith123 Resident" for backwards
-	// compatibility with systems like voice and muting
-	// *TODO: Eliminate this in favor of username only
-	std::string getLegacyName() const;
-
+	// Debug print of the object
+	void dump() const;
+	
+	// Names can change, so need to keep track of when name was
+	// last checked.
+	// Unix time-from-epoch seconds for efficiency
+	F64 mExpires;
+	
+	// You can only change your name every N hours, so record
+	// when the next update is allowed
+	// Unix time-from-epoch seconds
+	F64 mNextUpdate;
+	
+private:
 	// "bobsmith123" or "james.linden", US-ASCII only
 	std::string mUsername;
 
-	// "Jose' Sanchez" or "James Linden", UTF-8 encoded Unicode
+	// "José Sanchez" or "James Linden", UTF-8 encoded Unicode
 	// Contains data whether or not user has explicitly set
 	// a display name; may duplicate their username.
 	std::string mDisplayName;
@@ -81,15 +120,9 @@ public:
 	// shown in UI, but are not serialized.
 	bool mIsTemporaryName;
 
-	// Names can change, so need to keep track of when name was
-	// last checked.
-	// Unix time-from-epoch seconds for efficiency
-	F64 mExpires;
-	
-	// You can only change your name every N hours, so record
-	// when the next update is allowed
-	// Unix time-from-epoch seconds
-	F64 mNextUpdate;
+	// Global flag indicating if display name should be used or not
+	// This will affect the output of the high level "get" methods
+	static bool sUseDisplayNames;
 };
 
 #endif
diff --git a/indra/llcommon/llfoldertype.h b/indra/llcommon/llfoldertype.h
index a0c847914f..a0c847914f 100644..100755
--- a/indra/llcommon/llfoldertype.h
+++ b/indra/llcommon/llfoldertype.h
diff --git a/indra/llcommon/llhandle.h b/indra/llcommon/llhandle.h
index 6af5e198d6..401e4d759a 100644
--- a/indra/llcommon/llhandle.h
+++ b/indra/llcommon/llhandle.h
@@ -194,13 +194,6 @@ public:
 		return mHandle; 
 	}
 
-protected:
-	typedef LLHandle<T> handle_type_t;
-	LLHandleProvider() 
-	{
-		// provided here to enforce T deriving from LLHandleProvider<T>
-	} 
-
 	template <typename U>
 	LLHandle<U> getDerivedHandle(typename boost::enable_if< typename boost::is_convertible<U*, T*> >::type* dummy = 0) const
 	{
@@ -209,6 +202,12 @@ protected:
 		return downcast_handle;
 	}
 
+protected:
+	typedef LLHandle<T> handle_type_t;
+	LLHandleProvider() 
+	{
+		// provided here to enforce T deriving from LLHandleProvider<T>
+	} 
 
 private:
 	mutable LLRootHandle<T> mHandle;
diff --git a/indra/llcommon/llinitparam.cpp b/indra/llcommon/llinitparam.cpp
index db72aa19b9..89c831d296 100644
--- a/indra/llcommon/llinitparam.cpp
+++ b/indra/llcommon/llinitparam.cpp
@@ -40,7 +40,9 @@ namespace LLInitParam
 	{
 		const U8* my_addr = reinterpret_cast<const U8*>(this);
 		const U8* block_addr = reinterpret_cast<const U8*>(enclosing_block);
-		mEnclosingBlockOffset = 0x7FFFffff & (U32)(my_addr - block_addr);
+		U32 enclosing_block_offset = 0x7FFFffff & (U32)(my_addr - block_addr);
+		mEnclosingBlockOffsetLow = enclosing_block_offset & 0x0000ffff;
+		mEnclosingBlockOffsetHigh = (enclosing_block_offset & 0x007f0000) >> 16;
 	}
 
 	//
@@ -112,6 +114,35 @@ namespace LLInitParam
 		std::copy(src_block_data.mAllParams.begin(), src_block_data.mAllParams.end(), std::back_inserter(mAllParams));
 	}
 
+	void BlockDescriptor::addParam(const ParamDescriptorPtr in_param, const char* char_name)
+	{
+		// create a copy of the param descriptor in mAllParams
+		// so other data structures can store a pointer to it
+		mAllParams.push_back(in_param);
+		ParamDescriptorPtr param(mAllParams.back());
+
+		std::string name(char_name);
+		if ((size_t)param->mParamHandle > mMaxParamOffset)
+		{
+			llerrs << "Attempted to register param with block defined for parent class, make sure to derive from LLInitParam::Block<YOUR_CLASS, PARAM_BLOCK_BASE_CLASS>" << llendl;
+		}
+
+		if (name.empty())
+		{
+			mUnnamedParams.push_back(param);
+		}
+		else
+		{
+			// don't use insert, since we want to overwrite existing entries
+			mNamedParams[name] = param;
+		}
+
+		if (param->mValidationFunc)
+		{
+			mValidationList.push_back(std::make_pair(param->mParamHandle, param->mValidationFunc));
+		}
+	}
+
 	BlockDescriptor::BlockDescriptor()
 	:	mMaxParamOffset(0),
 		mInitializationState(UNINITIALIZED),
@@ -150,7 +181,8 @@ namespace LLInitParam
 
 	bool BaseBlock::submitValue(Parser::name_stack_t& name_stack, Parser& p, bool silent)
 	{
-		if (!deserializeBlock(p, std::make_pair(name_stack.begin(), name_stack.end()), true))
+		Parser::name_stack_range_t range = std::make_pair(name_stack.begin(), name_stack.end());
+		if (!deserializeBlock(p, range, true))
 		{
 			if (!silent)
 			{
@@ -196,12 +228,7 @@ namespace LLInitParam
 			if (serialize_func)
 			{
 				const Param* diff_param = diff_block ? diff_block->getParamFromHandle(param_handle) : NULL;
-				// each param descriptor remembers its serial number
-				// so we can inspect the same param under different names
-				// and see that it has the same number
-				name_stack.push_back(std::make_pair("", true));
 				serialize_func(*param, parser, name_stack, diff_param);
-				name_stack.pop_back();
 			}
 		}
 
@@ -295,7 +322,7 @@ namespace LLInitParam
 		return true;
 	}
 
-	bool BaseBlock::deserializeBlock(Parser& p, Parser::name_stack_range_t name_stack_range, bool ignored)
+	bool BaseBlock::deserializeBlock(Parser& p, Parser::name_stack_range_t& name_stack_range, bool ignored)
 	{
 		BlockDescriptor& block_data = mostDerivedBlockDescriptor();
 		bool names_left = name_stack_range.first != name_stack_range.second;
@@ -308,15 +335,12 @@ namespace LLInitParam
 		{
 			const std::string& top_name = name_stack_range.first->first;
 
-			ParamDescriptor::deserialize_func_t deserialize_func = NULL;
-			Param* paramp = NULL;
-
 			BlockDescriptor::param_map_t::iterator found_it = block_data.mNamedParams.find(top_name);
 			if (found_it != block_data.mNamedParams.end())
 			{
 				// find pointer to member parameter from offset table
-				paramp = getParamFromHandle(found_it->second->mParamHandle);
-				deserialize_func = found_it->second->mDeserializeFunc;
+				Param* paramp = getParamFromHandle(found_it->second->mParamHandle);
+				ParamDescriptor::deserialize_func_t deserialize_func = found_it->second->mDeserializeFunc;
 					
 				Parser::name_stack_range_t new_name_stack(name_stack_range.first, name_stack_range.second);
 				++new_name_stack.first;
@@ -358,36 +382,6 @@ namespace LLInitParam
 		return false;
 	}
 
-	//static 
-	void BaseBlock::addParam(BlockDescriptor& block_data, const ParamDescriptorPtr in_param, const char* char_name)
-	{
-		// create a copy of the param descriptor in mAllParams
-		// so other data structures can store a pointer to it
-		block_data.mAllParams.push_back(in_param);
-		ParamDescriptorPtr param(block_data.mAllParams.back());
-
-		std::string name(char_name);
-		if ((size_t)param->mParamHandle > block_data.mMaxParamOffset)
-		{
-			llerrs << "Attempted to register param with block defined for parent class, make sure to derive from LLInitParam::Block<YOUR_CLASS, PARAM_BLOCK_BASE_CLASS>" << llendl;
-		}
-
-		if (name.empty())
-		{
-			block_data.mUnnamedParams.push_back(param);
-		}
-		else
-		{
-			// don't use insert, since we want to overwrite existing entries
-			block_data.mNamedParams[name] = param;
-		}
-
-		if (param->mValidationFunc)
-		{
-			block_data.mValidationList.push_back(std::make_pair(param->mParamHandle, param->mValidationFunc));
-		}
-	}
-
 	void BaseBlock::addSynonym(Param& param, const std::string& synonym)
 	{
 		BlockDescriptor& block_data = mostDerivedBlockDescriptor();
@@ -460,7 +454,7 @@ namespace LLInitParam
 			if (merge_func)
 			{
 				Param* paramp = getParamFromHandle((*it)->mParamHandle);
-				llassert(paramp->mEnclosingBlockOffset == (*it)->mParamHandle);
+				llassert(paramp->getEnclosingBlockOffset() == (*it)->mParamHandle);
 				some_param_changed |= merge_func(*paramp, *other_paramp, overwrite);
 			}
 		}
diff --git a/indra/llcommon/llinitparam.h b/indra/llcommon/llinitparam.h
index 9a6d1eff5c..97133c99d7 100644
--- a/indra/llcommon/llinitparam.h
+++ b/indra/llcommon/llinitparam.h
@@ -37,6 +37,71 @@
 #include "llerror.h"
 #include "llstl.h"
 
+namespace LLTypeTags
+{
+	template <typename INNER_TYPE, int _SORT_ORDER>
+	struct TypeTagBase
+	{
+		typedef void		is_tag_t;
+		typedef INNER_TYPE	inner_t;
+		static const int	SORT_ORDER=_SORT_ORDER;
+	};
+
+	template <int VAL1, int VAL2>
+	struct GreaterThan
+	{
+		static const bool value = VAL1 > VAL2;
+	};
+
+	template<typename ITEM, typename REST, bool NEEDS_SWAP = GreaterThan<ITEM::SORT_ORDER, REST::SORT_ORDER>::value >
+	struct Swap
+	{
+		typedef typename ITEM::template Cons<REST>::value_t value_t;
+	};
+
+	template<typename ITEM, typename REST>
+	struct Swap<ITEM, REST, true>
+	{
+		typedef typename REST::template Cons<Swap<ITEM, typename REST::inner_t>::value_t>::value_t value_t;
+	};
+
+	template<typename T, typename SORTABLE = void>
+	struct IsSortable
+	{
+		static const bool value = false;
+	};
+
+	template<typename T>
+	struct IsSortable<T, typename T::is_tag_t>
+	{
+		static const bool value = true;
+	};
+
+	template<typename ITEM, typename REST, bool IS_REST_SORTABLE = IsSortable<REST>::value>
+	struct InsertInto
+	{
+		typedef typename ITEM::template Cons<REST>::value_t value_t;
+	};
+
+	template<typename ITEM, typename REST>
+	struct InsertInto <ITEM, REST, true>
+	{
+		typedef typename Swap<ITEM, REST>::value_t value_t;
+	};
+
+	template<typename T, bool SORTABLE = IsSortable<T>::value>
+	struct Sorted
+	{
+		typedef T value_t;
+	};
+
+	template<typename T>
+	struct Sorted <T, true>
+	{
+		typedef typename InsertInto<T, typename Sorted<typename T::inner_t>::value_t>::value_t value_t;
+	};
+}
+
 namespace LLInitParam
 {
 	// used to indicate no matching value to a given name when parsing
@@ -44,6 +109,8 @@ namespace LLInitParam
 
 	template<typename T> const T& defaultValue() { static T value; return value; }
 
+	// wraps comparison operator between any 2 values of the same type
+	// specialize to handle cases where equality isn't defined well, or at all
 	template <typename T, bool IS_BOOST_FUNCTION = boost::is_convertible<T, boost::function_base>::value >
     struct ParamCompare 
 	{
@@ -78,24 +145,123 @@ namespace LLInitParam
 
 	// helper functions and classes
 	typedef ptrdiff_t param_handle_t;
+	struct IS_A_BLOCK {};
+	struct NOT_BLOCK {};
+
+	// these templates allow us to distinguish between template parameters
+	// that derive from BaseBlock and those that don't
+	template<typename T, typename BLOCK_IDENTIFIER = void>
+	struct IsBlock
+	{
+		typedef NOT_BLOCK value_t;
+	};
+
+	template<typename T>
+	struct IsBlock<T, typename T::baseblock_base_class_t>
+	{
+		typedef IS_A_BLOCK value_t;
+	};
+
+	// ParamValue class directly manages the wrapped value
+	// by holding on to a copy (scalar params)
+	// or deriving from it (blocks)
+	// has specializations for custom value behavior
+	// and "tag" values like Lazy and Atomic
+	template<typename T, typename VALUE_IS_BLOCK = typename IsBlock<T>::value_t>
+	class ParamValue
+	{
+		typedef ParamValue<T, VALUE_IS_BLOCK>	self_t;
+
+	public:
+		typedef T	default_value_t;
+		typedef T	value_t;
+
+		ParamValue(): mValue() {}
+		ParamValue(const default_value_t& other) : mValue(other) {}
+
+		void setValue(const value_t& val)
+		{
+			mValue = val;
+		}
+
+		const value_t& getValue() const
+		{
+			return mValue;
+		}
+
+		T& getValue()
+		{
+			return mValue;
+		}
+
+	protected:
+		T mValue;
+	};
+
+	template<typename T>
+	class ParamValue<T, IS_A_BLOCK> 
+	:	public T
+	{
+		typedef ParamValue<T, IS_A_BLOCK>	self_t;
+	public:
+		typedef T	default_value_t;
+		typedef T	value_t;
+
+		ParamValue() 
+		:	T(),
+			mValidated(false)
+		{}
+
+		ParamValue(const default_value_t& other)
+		:	T(other),
+			mValidated(false)
+		{}
+
+		void setValue(const value_t& val)
+		{
+			*this = val;
+		}
+
+		const value_t& getValue() const
+		{
+			return *this;
+		}
+
+		T& getValue()
+		{
+			return *this;
+		}
+
+	protected:
+		mutable bool 	mValidated; // lazy validation flag
+	};
+
 
 	// empty default implementation of key cache
 	// leverages empty base class optimization
 	template <typename T>
 	class TypeValues
+	:	public ParamValue<typename LLTypeTags::Sorted<T>::value_t>
 	{
 	private:
 		struct Inaccessable{};
 	public:
 		typedef std::map<std::string, T> value_name_map_t;
 		typedef Inaccessable name_t;
+		typedef TypeValues<T> type_value_t;
+		typedef ParamValue<typename LLTypeTags::Sorted<T>::value_t>	param_value_t;
+		typedef typename param_value_t::value_t	value_t;
+
+		TypeValues(const typename param_value_t::value_t& val)
+		:	param_value_t(val)
+		{}
 
 		void setValueName(const std::string& key) {}
 		std::string getValueName() const { return ""; }
-		std::string calcValueName(const T& value) const { return ""; }
+		std::string calcValueName(const value_t& value) const { return ""; }
 		void clearValueName() const {}
 
-		static bool getValueFromName(const std::string& name, T& value)
+		static bool getValueFromName(const std::string& name, value_t& value)
 		{
 			return false;
 		}
@@ -110,15 +276,39 @@ namespace LLInitParam
 			return NULL;
 		}
 
+		void assignNamedValue(const Inaccessable& name)
+		{}
+
+		operator const value_t&() const
+		{
+			return param_value_t::getValue();
+		}
+
+		const value_t& operator()() const
+		{
+			return param_value_t::getValue();
+		}
+
 		static value_name_map_t* getValueNames() {return NULL;}
 	};
 
-	template <typename T, typename DERIVED_TYPE = TypeValues<T> >
+	// helper class to implement name value lookups
+	// and caching of last used name
+	template <typename T, typename DERIVED_TYPE = TypeValues<T>, bool IS_SPECIALIZED = true >
 	class TypeValuesHelper
+	:	public ParamValue<typename LLTypeTags::Sorted<T>::value_t>
 	{
+		typedef TypeValuesHelper<T, DERIVED_TYPE, IS_SPECIALIZED> self_t;
 	public:
 		typedef typename std::map<std::string, T> value_name_map_t;
 		typedef std::string name_t;
+		typedef self_t type_value_t;
+		typedef ParamValue<typename LLTypeTags::Sorted<T>::value_t> param_value_t;
+		typedef typename param_value_t::value_t	value_t;
+
+		TypeValuesHelper(const typename param_value_t::value_t& val)
+		:	param_value_t(val)
+		{}
 
 		//TODO: cache key by index to save on param block size
 		void setValueName(const std::string& value_name) 
@@ -131,7 +321,7 @@ namespace LLInitParam
 			return mValueName; 
 		}
 
-		std::string calcValueName(const T& value) const
+		std::string calcValueName(const value_t& value) const
 		{
 			value_name_map_t* map = getValueNames();
 			for (typename value_name_map_t::iterator it = map->begin(), end_it = map->end();
@@ -152,7 +342,7 @@ namespace LLInitParam
 			mValueName.clear();
 		}
 
-		static bool getValueFromName(const std::string& name, T& value)
+		static bool getValueFromName(const std::string& name, value_t& value)
 		{
 			value_name_map_t* map = getValueNames();
 			typename value_name_map_t::iterator found_it = map->find(name);
@@ -194,18 +384,90 @@ namespace LLInitParam
 			return &sValues;
 		}
 
-		static void declare(const std::string& name, const T& value)
+		static void declare(const std::string& name, const value_t& value)
 		{
 			(*getValueNames())[name] = value;
 		}
 
+		void operator ()(const std::string& name)
+		{
+			*this = name;
+		}
+
+		void assignNamedValue(const std::string& name)
+		{
+			if (getValueFromName(name, param_value_t::getValue()))
+			{
+				setValueName(name);
+			}
+		}
+
+		operator const value_t&() const
+		{
+			return param_value_t::getValue();
+		}
+
+		const value_t& operator()() const
+		{
+			return param_value_t::getValue();
+		}
+
 	protected:
-		static void getName(const std::string& name, const T& value)
+		static void getName(const std::string& name, const value_t& value)
 		{}
 
 		mutable std::string	mValueName;
 	};
 
+	// string types can support custom named values, but need
+	// to disambiguate in code between a string that is a named value
+	// and a string that is a name
+	template <typename DERIVED_TYPE>
+	class TypeValuesHelper<std::string, DERIVED_TYPE, true>
+	:	public TypeValuesHelper<std::string, DERIVED_TYPE, false>
+	{
+	public:
+		typedef TypeValuesHelper<std::string, DERIVED_TYPE, true> self_t;
+		typedef TypeValuesHelper<std::string, DERIVED_TYPE, false> base_t;
+		typedef std::string value_t;
+		typedef std::string name_t;
+		typedef self_t type_value_t;
+
+		TypeValuesHelper(const std::string& val)
+		:	TypeValuesHelper(val)
+		{}
+
+		void operator ()(const std::string& name)
+	{
+			*this = name;
+		}
+
+		self_t& operator =(const std::string& name)
+		{
+			if (base_t::getValueFromName(name, ParamValue<std::string>::getValue()))
+			{
+				base_t::setValueName(name);
+			}
+			else
+			{
+				ParamValue<std::string>::setValue(name);
+			}
+			return *this;
+		}
+		
+		operator const value_t&() const
+		{
+			return ParamValue<std::string>::getValue();
+		}
+
+		const value_t& operator()() const
+		{
+			return ParamValue<std::string>::getValue();
+		}
+
+	};
+
+	// parser base class with mechanisms for registering readers/writers/inspectors of different types
 	class LL_COMMON_API Parser
 	{
 		LOG_CLASS(Parser);
@@ -302,7 +564,7 @@ namespace LLInitParam
 		};
 
 		typedef bool(*merge_func_t)(Param&, const Param&, bool);
-		typedef bool(*deserialize_func_t)(Param&, Parser&, const Parser::name_stack_range_t&, bool);
+		typedef bool(*deserialize_func_t)(Param&, Parser&, Parser::name_stack_range_t&, bool);
 		typedef void(*serialize_func_t)(const Param&, Parser&, Parser::name_stack_t&, const Param* diff_param);
 		typedef void(*inspect_func_t)(const Param&, Parser&, Parser::name_stack_t&, S32 min_count, S32 max_count);
 		typedef bool(*validation_func_t)(const Param*);
@@ -347,6 +609,7 @@ namespace LLInitParam
 		} EInitializationState;
 
 		void aggregateBlockData(BlockDescriptor& src_block_data);
+		void addParam(ParamDescriptorPtr param, const char* name);
 
 		typedef boost::unordered_map<const std::string, ParamDescriptorPtr>						param_map_t; 
 		typedef std::vector<ParamDescriptorPtr>													param_list_t; 
@@ -362,48 +625,58 @@ namespace LLInitParam
 		class BaseBlock*				mCurrentBlockPtr;		// pointer to block currently being constructed
 	};
 
-	class LL_COMMON_API BaseBlock
-	{
-	public:
 		//TODO: implement in terms of owned_ptr
 		template<typename T>
-		class Lazy
+	class LazyValue
 		{
 		public:
-			Lazy()
+		LazyValue()
 				: mPtr(NULL)
 			{}
 
-			~Lazy()
+		~LazyValue()
 			{
 				delete mPtr;
 			}
 
-			Lazy(const Lazy& other)
+		LazyValue(const T& value)
 			{
-				if (other.mPtr)
+			mPtr = new T(value);
+		}
+
+		LazyValue(const LazyValue& other)
+		:	mPtr(NULL)
 				{
-					mPtr = new T(*other.mPtr);
+			*this = other;
 				}
-				else
+
+		LazyValue& operator = (const LazyValue& other)
 				{
+			if (!other.mPtr)
+			{
+				delete mPtr;
 					mPtr = NULL;
 				}
-			}
-
-			Lazy<T>& operator = (const Lazy<T>& other)
+			else
 			{
-				if (other.mPtr)
+				if (!mPtr)
 				{
 					mPtr = new T(*other.mPtr);
 				}
 				else
 				{
-					mPtr = NULL;
+					*mPtr = *(other.mPtr);
+				}
 				}
 				return *this;
 			}
 
+		bool operator==(const LazyValue& other) const
+		{
+			if (empty() || other.empty()) return false;
+			return *mPtr == *other.mPtr;
+		}
+
 			bool empty() const
 			{
 				return mPtr == NULL;
@@ -411,18 +684,29 @@ namespace LLInitParam
 
 			void set(const T& other)
 			{
-				delete mPtr;
+			if (!mPtr)
+			{
 				mPtr = new T(other);
 			}
+			else
+			{
+				*mPtr = other;
+			}
+		}
 
 			const T& get() const
 			{
-				return ensureInstance();
+			return *ensureInstance();
 			}
 
 			T& get()
 			{
-				return ensureInstance();
+			return *ensureInstance();
+		}
+
+		operator const T&() const
+		{ 
+			return get(); 
 			}
 
 		private:
@@ -437,13 +721,50 @@ namespace LLInitParam
 			}
 
 		private:
-			// if you get a compilation error with this, that means you are using a forward declared struct for T
-			// unfortunately, the type traits we rely on don't work with forward declared typed
-			//static const int dummy = sizeof(T);
 
 			mutable T* mPtr;
 		};
 
+	// root class of all parameter blocks
+
+	class LL_COMMON_API BaseBlock
+	{
+	public:
+		// lift block tags into baseblock namespace so derived classes do not need to qualify them
+		typedef LLInitParam::IS_A_BLOCK IS_A_BLOCK;
+		typedef LLInitParam::NOT_BLOCK NOT_A_BLOCK;
+
+		template<typename T>
+		struct Sequential : public LLTypeTags::TypeTagBase<T, 2>
+		{
+			template <typename S> struct Cons { typedef Sequential<ParamValue<S> > value_t; };
+			template <typename S> struct Cons<Sequential<S> > { typedef Sequential<S> value_t; };
+		};
+
+		template<typename T>
+		struct Atomic : public LLTypeTags::TypeTagBase<T, 1>
+		{
+			template <typename S> struct Cons { typedef Atomic<ParamValue<S> > value_t; };
+			template <typename S> struct Cons<Atomic<S> > { typedef Atomic<S> value_t; };
+		};
+
+		template<typename T, typename BLOCK_T = typename IsBlock<T>::value_t >
+		struct Lazy : public LLTypeTags::TypeTagBase<T, 0>
+		{
+			template <typename S> struct Cons
+			{
+				typedef Lazy<ParamValue<S, BLOCK_T>, BLOCK_T> value_t;
+			};
+			template <typename S> struct Cons<Lazy<S, IS_A_BLOCK> >
+			{
+				typedef Lazy<S, IS_A_BLOCK> value_t;
+			};
+			template <typename S> struct Cons<Lazy<S, NOT_A_BLOCK> >
+			{
+				typedef Lazy<S, BLOCK_T> value_t;
+			};
+		};
+
 		// "Multiple" constraint types, put here in root class to avoid ambiguity during use
 		struct AnyAmount
 		{
@@ -509,12 +830,12 @@ namespace LLInitParam
 		// Blocks can override this to do custom tracking of changes
 		virtual void paramChanged(const Param& changed_param, bool user_provided) {}
 
-		bool deserializeBlock(Parser& p, Parser::name_stack_range_t name_stack_range, bool new_name);
+		bool deserializeBlock(Parser& p, Parser::name_stack_range_t& name_stack_range, bool new_name);
 		void serializeBlock(Parser& p, Parser::name_stack_t& name_stack, const BaseBlock* diff_block = NULL) const;
 		bool inspectBlock(Parser& p, Parser::name_stack_t name_stack = Parser::name_stack_t(), S32 min_count = 0, S32 max_count = S32_MAX) const;
 
-		virtual const BlockDescriptor& mostDerivedBlockDescriptor() const { return selfBlockDescriptor(); }
-		virtual BlockDescriptor& mostDerivedBlockDescriptor() { return selfBlockDescriptor(); }
+		virtual const BlockDescriptor& mostDerivedBlockDescriptor() const { return getBlockDescriptor(); }
+		virtual BlockDescriptor& mostDerivedBlockDescriptor() { return getBlockDescriptor(); }
 
 		// take all provided params from other and apply to self
 		bool overwriteFrom(const BaseBlock& other)
@@ -528,10 +849,17 @@ namespace LLInitParam
 			return false;
 		}
 
-		static void addParam(BlockDescriptor& block_data, ParamDescriptorPtr param, const char* name);
-
 		ParamDescriptorPtr findParamDescriptor(const Param& param);
 
+		// take all provided params from other and apply to self
+		bool mergeBlock(BlockDescriptor& block_data, const BaseBlock& other, bool overwrite);
+
+		static BlockDescriptor& getBlockDescriptor()
+		{
+			static BlockDescriptor sBlockDescriptor;
+			return sBlockDescriptor;
+		}
+
 	protected:
 		void init(BlockDescriptor& descriptor, BlockDescriptor& base_descriptor, size_t block_size);
 
@@ -540,25 +868,11 @@ namespace LLInitParam
 		{
 			return mergeBlock(block_data, source, overwrite);
 		}
-		// take all provided params from other and apply to self
-		bool mergeBlock(BlockDescriptor& block_data, const BaseBlock& other, bool overwrite);
-
-		static BlockDescriptor& selfBlockDescriptor()
-		{
-			static BlockDescriptor sBlockDescriptor;
-			return sBlockDescriptor;
-		}
 
 	private:
 		const std::string& getParamName(const BlockDescriptor& block_data, const Param* paramp) const;
 	};
 
-	template<typename T>
-	struct ParamCompare<BaseBlock::Lazy<T>, false >
-	{
-		static bool equals(const BaseBlock::Lazy<T>& a, const BaseBlock::Lazy<T>& b) { return !a.empty() || !b.empty(); }
-	};
-
 	class LL_COMMON_API Param
 	{
 	public:
@@ -587,256 +901,68 @@ namespace LLInitParam
 			// get address of enclosing BLOCK class using stored offset to enclosing BaseBlock class
 			return *const_cast<BaseBlock*>
 				(reinterpret_cast<const BaseBlock*>
-					(my_addr - (ptrdiff_t)(S32)mEnclosingBlockOffset));
-		}
-
-	private:
-		friend class BaseBlock;
-
-		U32		mEnclosingBlockOffset:31;
-		U32		mIsProvided:1;
-
-	};
-
-	// these templates allow us to distinguish between template parameters
-	// that derive from BaseBlock and those that don't
-	template<typename T, typename Void = void>
-	struct IsBlock
-	{
-		static const bool value = false;
-		struct EmptyBase {};
-		typedef EmptyBase base_class_t;
-	};
-
-	template<typename T>
-	struct IsBlock<T, typename T::baseblock_base_class_t>
-	{
-		static const bool value = true;
-		typedef BaseBlock base_class_t;
-	};
-
-	template<typename T>
-	struct IsBlock<BaseBlock::Lazy<T>, typename T::baseblock_base_class_t >
-	{
-		static const bool value = true;
-		typedef BaseBlock base_class_t;
-	};
-
-	template<typename T, typename NAME_VALUE_LOOKUP, bool VALUE_IS_BLOCK = IsBlock<T>::value>
-	class ParamValue : public NAME_VALUE_LOOKUP
-	{
-	public:
-		typedef const T&							value_assignment_t;
-		typedef T									value_t;
-		typedef ParamValue<T, NAME_VALUE_LOOKUP, VALUE_IS_BLOCK>	self_t;
-
-		ParamValue(): mValue() {}
-		ParamValue(value_assignment_t other) : mValue(other) {}
-
-		void setValue(value_assignment_t val)
-		{
-			mValue = val;
-		}
-
-		value_assignment_t getValue() const
-		{
-			return mValue;
-		}
-
-		T& getValue()
-		{
-			return mValue;
-		}
-
-		operator value_assignment_t() const
-		{
-			return mValue;
-		}
-
-		value_assignment_t operator()() const
-		{
-			return mValue;
-		}
-
-		void operator ()(const typename NAME_VALUE_LOOKUP::name_t& name)
-		{
-			*this = name;
-		}
-
-		self_t& operator =(const typename NAME_VALUE_LOOKUP::name_t& name)
-		{
-			if (NAME_VALUE_LOOKUP::getValueFromName(name, mValue))
-			{
-				setValueName(name);
-			}
-
-			return *this;
-		}
-
-	protected:
-		T mValue;
-	};
-
-	template<typename T, typename NAME_VALUE_LOOKUP>
-	class ParamValue<T, NAME_VALUE_LOOKUP, true> 
-	:	public T,
-		public NAME_VALUE_LOOKUP
-	{
-	public:
-		typedef const T&							value_assignment_t;
-		typedef T									value_t;
-		typedef ParamValue<T, NAME_VALUE_LOOKUP, true>	self_t;
-
-		ParamValue() 
-		:	T(),
-			mValidated(false)
-		{}
-
-		ParamValue(value_assignment_t other)
-		:	T(other),
-			mValidated(false)
-		{}
-
-		void setValue(value_assignment_t val)
-		{
-			*this = val;
-		}
-
-		value_assignment_t getValue() const
-		{
-			return *this;
-		}
-
-		T& getValue()
-		{
-			return *this;
-		}
-
-		operator value_assignment_t() const
-		{
-			return *this;
-		}
-		
-		value_assignment_t operator()() const
-		{
-			return *this;
-		}
-
-		void operator ()(const typename NAME_VALUE_LOOKUP::name_t& name)
-		{
-			*this = name;
-		}
-
-		self_t& operator =(const typename NAME_VALUE_LOOKUP::name_t& name)
-		{
-			if (NAME_VALUE_LOOKUP::getValueFromName(name, *this))
-			{
-				setValueName(name);
-			}
-
-			return *this;
+					(my_addr - (ptrdiff_t)getEnclosingBlockOffset()));
 		}
 
-	protected:
-		mutable bool 	mValidated; // lazy validation flag
-	};
-
-	template<typename NAME_VALUE_LOOKUP>
-	class ParamValue<std::string, NAME_VALUE_LOOKUP, false>
-	: public NAME_VALUE_LOOKUP
+		U32 getEnclosingBlockOffset() const
 	{
-	public:
-		typedef const std::string&	value_assignment_t;
-		typedef std::string			value_t;
-		typedef ParamValue<std::string, NAME_VALUE_LOOKUP, false>	self_t;
-
-		ParamValue(): mValue() {}
-		ParamValue(value_assignment_t other) : mValue(other) {}
-
-		void setValue(value_assignment_t val)
-		{
-			if (NAME_VALUE_LOOKUP::getValueFromName(val, mValue))
-			{
-				NAME_VALUE_LOOKUP::setValueName(val);
-			}
-			else
-			{
-				mValue = val;
-			}
-		}
-
-		value_assignment_t getValue() const
-		{
-			return mValue;
-		}
-
-		std::string& getValue()
-		{
-			return mValue;
+			return ((U32)mEnclosingBlockOffsetHigh << 16) | (U32)mEnclosingBlockOffsetLow;
 		}
 
-		operator value_assignment_t() const
-		{
-			return mValue;
-		}
+	private:
+		friend class BaseBlock;
 
-		value_assignment_t operator()() const
-		{
-			return mValue;
-		}
+		//24 bits for member offset field and 1 bit for provided flag
+		U16		mEnclosingBlockOffsetLow;
+		U8		mEnclosingBlockOffsetHigh:7;
+		U8		mIsProvided:1;
 
-	protected:
-		std::string mValue;
 	};
 
-
 	template<typename T, typename NAME_VALUE_LOOKUP = TypeValues<T> >
 	struct ParamIterator
 	{
-		typedef typename std::vector<ParamValue<T, NAME_VALUE_LOOKUP> >::const_iterator		const_iterator;
-		typedef typename std::vector<ParamValue<T, NAME_VALUE_LOOKUP> >::iterator			iterator;
+		typedef typename std::vector<typename NAME_VALUE_LOOKUP::type_value_t >::const_iterator	const_iterator;
+		typedef typename std::vector<typename NAME_VALUE_LOOKUP::type_value_t >::iterator			iterator;
 	};
 
-	// specialize for custom parsing/decomposition of specific classes
-	// e.g. TypedParam<LLRect> has left, top, right, bottom, etc...
+	// wrapper for parameter with a known type
+	// specialized to handle 4 cases:
+	// simple "scalar" value
+	// parameter that is itself a block
+	// multiple scalar values, stored in a vector
+	// multiple blocks, stored in a vector
 	template<typename	T,
 			typename	NAME_VALUE_LOOKUP = TypeValues<T>,
 			bool		HAS_MULTIPLE_VALUES = false,
-			bool		VALUE_IS_BLOCK = IsBlock<ParamValue<T, NAME_VALUE_LOOKUP> >::value>
+			typename	VALUE_IS_BLOCK = typename IsBlock<ParamValue<typename LLTypeTags::Sorted<T>::value_t> >::value_t>
 	class TypedParam 
 	:	public Param, 
-		public ParamValue<T, NAME_VALUE_LOOKUP>
+		public NAME_VALUE_LOOKUP::type_value_t
 	{
+	protected:
+		typedef	TypedParam<T, NAME_VALUE_LOOKUP, HAS_MULTIPLE_VALUES, VALUE_IS_BLOCK>	self_t;
+		typedef ParamValue<typename LLTypeTags::Sorted<T>::value_t>						param_value_t;
+		typedef typename param_value_t::default_value_t									default_value_t;
+		typedef typename NAME_VALUE_LOOKUP::type_value_t								named_value_t;
 	public:
-		typedef	TypedParam<T, NAME_VALUE_LOOKUP, HAS_MULTIPLE_VALUES, VALUE_IS_BLOCK>		self_t;
-		typedef ParamValue<T, NAME_VALUE_LOOKUP>											param_value_t;
-		typedef typename param_value_t::value_assignment_t				value_assignment_t;
-		typedef NAME_VALUE_LOOKUP															name_value_lookup_t;
+		typedef typename param_value_t::value_t											value_t;
 
-		using param_value_t::operator();
+		using named_value_t::operator();
 
-		TypedParam(BlockDescriptor& block_descriptor, const char* name, value_assignment_t value, ParamDescriptor::validation_func_t validate_func, S32 min_count, S32 max_count) 
-		:	Param(block_descriptor.mCurrentBlockPtr)
+		TypedParam(BlockDescriptor& block_descriptor, const char* name, const default_value_t& value, ParamDescriptor::validation_func_t validate_func, S32 min_count, S32 max_count)
+		:	Param(block_descriptor.mCurrentBlockPtr),
+			named_value_t(value)
 		{
 			if (LL_UNLIKELY(block_descriptor.mInitializationState == BlockDescriptor::INITIALIZING))
 			{
- 				ParamDescriptorPtr param_descriptor = ParamDescriptorPtr(new ParamDescriptor(
-												block_descriptor.mCurrentBlockPtr->getHandleFromParam(this),
-												&mergeWith,
-												&deserializeParam,
-												&serializeParam,
-												validate_func,
-												&inspectParam,
-												min_count, max_count));
-				BaseBlock::addParam(block_descriptor, param_descriptor, name);
+				init(block_descriptor, validate_func, min_count, max_count, name);
 			}
-
-			setValue(value);
 		} 
 
 		bool isProvided() const { return Param::anyProvided(); }
 
-		static bool deserializeParam(Param& param, Parser& parser, const Parser::name_stack_range_t& name_stack_range, bool new_name)
+		static bool deserializeParam(Param& param, Parser& parser, Parser::name_stack_range_t& name_stack_range, bool new_name)
 		{ 
 			self_t& typed_param = static_cast<self_t&>(param);
 			// no further names in stack, attempt to parse value now
@@ -850,14 +976,15 @@ namespace LLInitParam
 				}
 				
 				// try to parse a known named value
-				if(name_value_lookup_t::valueNamesExist())
+				if(named_value_t::valueNamesExist())
 				{
 					// try to parse a known named value
 					std::string name;
 					if (parser.readValue(name))
 					{
 						// try to parse a per type named value
-						if (name_value_lookup_t::getValueFromName(name, typed_param.getValue()))
+
+						if (named_value_t::getValueFromName(name, typed_param.getValue()))
 						{
 							typed_param.setValueName(name);
 							typed_param.setProvided();
@@ -897,7 +1024,9 @@ namespace LLInitParam
 				if (!parser.writeValue(typed_param.getValue(), name_stack)) 
 				{
 					std::string calculated_key = typed_param.calcValueName(typed_param.getValue());
-					if (!diff_param || !ParamCompare<std::string>::equals(static_cast<const self_t*>(diff_param)->getValueName(), calculated_key))
+					if (calculated_key.size() 
+						&& (!diff_param 
+							|| !ParamCompare<std::string>::equals(static_cast<const self_t*>(diff_param)->getValueName(), calculated_key)))
 					{
 						parser.writeValue(calculated_key, name_stack);
 					}
@@ -910,22 +1039,23 @@ namespace LLInitParam
 			// tell parser about our actual type
 			parser.inspectValue<T>(name_stack, min_count, max_count, NULL);
 			// then tell it about string-based alternatives ("red", "blue", etc. for LLColor4)
-			if (name_value_lookup_t::getPossibleValues())
+			if (named_value_t::getPossibleValues())
 			{
-				parser.inspectValue<std::string>(name_stack, min_count, max_count, name_value_lookup_t::getPossibleValues());
+				parser.inspectValue<std::string>(name_stack, min_count, max_count, named_value_t::getPossibleValues());
 			}
 		}
 
-		void set(value_assignment_t val, bool flag_as_provided = true)
+		void set(const value_t& val, bool flag_as_provided = true)
 		{
-			param_value_t::clearValueName();
+			named_value_t::clearValueName();
 			setValue(val);
 			setProvided(flag_as_provided);
 		}
 
-		self_t& operator =(const typename NAME_VALUE_LOOKUP::name_t& name)
+		self_t& operator =(const typename named_value_t::name_t& name)
 		{
-			return static_cast<self_t&>(param_value_t::operator =(name));
+			named_value_t::assignNamedValue(name);
+			return *this;
 		}
 
 	protected:
@@ -950,41 +1080,47 @@ namespace LLInitParam
 			}
 			return false;
 		}
+	private:
+		void init( BlockDescriptor &block_descriptor, ParamDescriptor::validation_func_t validate_func, S32 min_count, S32 max_count, const char* name ) 
+		{
+			ParamDescriptorPtr param_descriptor = ParamDescriptorPtr(new ParamDescriptor(
+				block_descriptor.mCurrentBlockPtr->getHandleFromParam(this),
+				&mergeWith,
+				&deserializeParam,
+				&serializeParam,
+				validate_func,
+				&inspectParam,
+				min_count, max_count));
+			block_descriptor.addParam(param_descriptor, name);
+		}
 	};
 
 	// parameter that is a block
 	template <typename T, typename NAME_VALUE_LOOKUP>
-	class TypedParam<T, NAME_VALUE_LOOKUP, false, true> 
+	class TypedParam<T, NAME_VALUE_LOOKUP, false, IS_A_BLOCK> 
 	:	public Param,
-		public ParamValue<T, NAME_VALUE_LOOKUP>
+		public NAME_VALUE_LOOKUP::type_value_t
 	{
+	protected:
+		typedef ParamValue<typename LLTypeTags::Sorted<T>::value_t>	param_value_t;
+		typedef typename param_value_t::default_value_t				default_value_t;
+		typedef TypedParam<T, NAME_VALUE_LOOKUP, false, IS_A_BLOCK>	self_t;
+		typedef typename NAME_VALUE_LOOKUP::type_value_t			named_value_t;
 	public:
-		typedef ParamValue<T, NAME_VALUE_LOOKUP>				param_value_t;
-		typedef typename param_value_t::value_assignment_t		value_assignment_t;
-		typedef TypedParam<T, NAME_VALUE_LOOKUP, false, true>	self_t;
-		typedef NAME_VALUE_LOOKUP								name_value_lookup_t;
+		using named_value_t::operator();
+		typedef typename param_value_t::value_t						value_t;
 
-		using param_value_t::operator();
-
-		TypedParam(BlockDescriptor& block_descriptor, const char* name, value_assignment_t value, ParamDescriptor::validation_func_t validate_func, S32 min_count, S32 max_count)
+		TypedParam(BlockDescriptor& block_descriptor, const char* name, const default_value_t& value, ParamDescriptor::validation_func_t validate_func, S32 min_count, S32 max_count)
 		:	Param(block_descriptor.mCurrentBlockPtr),
-			param_value_t(value)
+			named_value_t(value)
 		{
 			if (LL_UNLIKELY(block_descriptor.mInitializationState == BlockDescriptor::INITIALIZING))
 			{
-				ParamDescriptorPtr param_descriptor = ParamDescriptorPtr(new ParamDescriptor(
-												block_descriptor.mCurrentBlockPtr->getHandleFromParam(this),
-												&mergeWith,
-												&deserializeParam,
-												&serializeParam,
-												validate_func, 
-												&inspectParam,
-												min_count, max_count));
-				BaseBlock::addParam(block_descriptor, param_descriptor, name);
+				init(block_descriptor, validate_func, min_count, max_count, name);
 			}
 		}
 
-		static bool deserializeParam(Param& param, Parser& parser, const Parser::name_stack_range_t& name_stack_range, bool new_name)
+		static bool deserializeParam(Param& param, Parser& parser, Parser::name_stack_range_t& name_stack_range, bool new_name)
 		{ 
 			self_t& typed_param = static_cast<self_t&>(param);
 			// attempt to parse block...
@@ -995,14 +1131,14 @@ namespace LLInitParam
 				return true;
 			}
 
-			if(name_value_lookup_t::valueNamesExist())
+			if(named_value_t::valueNamesExist())
 			{
 				// try to parse a known named value
 				std::string name;
 				if (parser.readValue(name))
 				{
 					// try to parse a per type named value
-					if (name_value_lookup_t::getValueFromName(name, typed_param.getValue()))
+					if (named_value_t::getValueFromName(name, typed_param.getValue()))
 					{
 						typed_param.setValueName(name);
 						typed_param.setProvided();
@@ -1027,9 +1163,9 @@ namespace LLInitParam
 			std::string key = typed_param.getValueName();
 			if (!key.empty())
 			{
-				if (!parser.writeValue(key, name_stack))
+				if (!diff_param || !ParamCompare<std::string>::equals(static_cast<const self_t*>(diff_param)->getValueName(), key))
 				{
-					return;
+					parser.writeValue(key, name_stack);
 				}
 			}
 			else
@@ -1040,8 +1176,16 @@ namespace LLInitParam
 
 		static void inspectParam(const Param& param, Parser& parser, Parser::name_stack_t& name_stack, S32 min_count, S32 max_count)
 		{
-			// I am a param that is also a block, so just recurse into my contents
 			const self_t& typed_param = static_cast<const self_t&>(param);
+
+			// tell parser about our actual type
+			parser.inspectValue<value_t>(name_stack, min_count, max_count, NULL);
+			// then tell it about string-based alternatives ("red", "blue", etc. for LLColor4)
+			if (named_value_t::getPossibleValues())
+			{
+				parser.inspectValue<std::string>(name_stack, min_count, max_count, named_value_t::getPossibleValues());
+			}
+
 			typed_param.inspectBlock(parser, name_stack, min_count, max_count);
 		}
 
@@ -1059,32 +1203,34 @@ namespace LLInitParam
 		}
 
 		// assign block contents to this param-that-is-a-block
-		void set(value_assignment_t val, bool flag_as_provided = true)
+		void set(const value_t& val, bool flag_as_provided = true)
 		{
 			setValue(val);
-			param_value_t::clearValueName();
+			named_value_t::clearValueName();
 			// force revalidation of block
 			// next call to isProvided() will update provision status based on validity
 			param_value_t::mValidated = false;
 			setProvided(flag_as_provided);
 		}
 
-		self_t& operator =(const typename NAME_VALUE_LOOKUP::name_t& name)
+		self_t& operator =(const typename named_value_t::name_t& name)
 		{
-			return static_cast<self_t&>(param_value_t::operator =(name));
+			named_value_t::assignNamedValue(name);
+			return *this;
 		}
 
 		// propagate changed status up to enclosing block
 		/*virtual*/ void paramChanged(const Param& changed_param, bool user_provided)
 		{ 
 			param_value_t::paramChanged(changed_param, user_provided);
+
 			if (user_provided)
 			{
 				// a child param has been explicitly changed
 				// so *some* aspect of this block is now provided
 				param_value_t::mValidated = false;
 				setProvided();
-				param_value_t::clearValueName();
+				named_value_t::clearValueName();
 			}
 			else
 			{
@@ -1108,7 +1254,7 @@ namespace LLInitParam
 
 			if (src_typed_param.anyProvided())
 			{
-				if (dst_typed_param.mergeBlockParam(src_typed_param.isProvided(), dst_typed_param.isProvided(), param_value_t::selfBlockDescriptor(), src_typed_param, overwrite))
+				if (dst_typed_param.mergeBlockParam(src_typed_param.isProvided(), dst_typed_param.isProvided(), param_value_t::getBlockDescriptor(), src_typed_param, overwrite))
 				{
 					dst_typed_param.clearValueName();
 					dst_typed_param.setProvided(true);
@@ -1117,49 +1263,65 @@ namespace LLInitParam
 			}
 			return false;
 		}
+
+	private:
+		void init( BlockDescriptor &block_descriptor, ParamDescriptor::validation_func_t validate_func, S32 min_count, S32 max_count, const char* name ) 
+		{
+			ParamDescriptorPtr param_descriptor = ParamDescriptorPtr(new ParamDescriptor(
+				block_descriptor.mCurrentBlockPtr->getHandleFromParam(this),
+				&mergeWith,
+				&deserializeParam,
+				&serializeParam,
+				validate_func, 
+				&inspectParam,
+				min_count, max_count));
+			block_descriptor.addParam(param_descriptor, name);
+		}
 	};
 
-	// container of non-block parameters
+	// list of non-block parameters
 	template <typename VALUE_TYPE, typename NAME_VALUE_LOOKUP>
-	class TypedParam<VALUE_TYPE, NAME_VALUE_LOOKUP, true, false> 
+	class TypedParam<VALUE_TYPE, NAME_VALUE_LOOKUP, true, NOT_BLOCK> 
 	:	public Param
 	{
+	protected:
+		typedef TypedParam<VALUE_TYPE, NAME_VALUE_LOOKUP, true, NOT_BLOCK>		self_t;
+		typedef ParamValue<typename LLTypeTags::Sorted<VALUE_TYPE>::value_t>	param_value_t;
+		typedef typename std::vector<typename NAME_VALUE_LOOKUP::type_value_t>	container_t;
+		typedef container_t														default_value_t;
+		typedef typename NAME_VALUE_LOOKUP::type_value_t						named_value_t;
+		
 	public:
-		typedef TypedParam<VALUE_TYPE, NAME_VALUE_LOOKUP, true, false>		self_t;
-		typedef ParamValue<VALUE_TYPE, NAME_VALUE_LOOKUP>					param_value_t;
-		typedef typename std::vector<param_value_t>							container_t;
-		typedef const container_t&											value_assignment_t;
-
 		typedef typename param_value_t::value_t								value_t;
-		typedef NAME_VALUE_LOOKUP											name_value_lookup_t;
 		
-		TypedParam(BlockDescriptor& block_descriptor, const char* name, value_assignment_t value, ParamDescriptor::validation_func_t validate_func, S32 min_count, S32 max_count) 
+		TypedParam(BlockDescriptor& block_descriptor, const char* name, const default_value_t& value, ParamDescriptor::validation_func_t validate_func, S32 min_count, S32 max_count)
 		:	Param(block_descriptor.mCurrentBlockPtr)
 		{
 			std::copy(value.begin(), value.end(), std::back_inserter(mValues));
 
 			if (LL_UNLIKELY(block_descriptor.mInitializationState == BlockDescriptor::INITIALIZING))
 			{
-				ParamDescriptorPtr param_descriptor = ParamDescriptorPtr(new ParamDescriptor(
-												block_descriptor.mCurrentBlockPtr->getHandleFromParam(this),
-												&mergeWith,
-												&deserializeParam,
-												&serializeParam,
-												validate_func,
-												&inspectParam,
-												min_count, max_count));
-				BaseBlock::addParam(block_descriptor, param_descriptor, name);
+				init(block_descriptor, validate_func, min_count, max_count, name);
+
 			}
 		} 
 
 		bool isProvided() const { return Param::anyProvided(); }
 
-		static bool deserializeParam(Param& param, Parser& parser, const Parser::name_stack_range_t& name_stack_range, bool new_name)
+		static bool deserializeParam(Param& param, Parser& parser, Parser::name_stack_range_t& name_stack_range, bool new_name)
 		{ 
+			Parser::name_stack_range_t new_name_stack_range(name_stack_range);
 			self_t& typed_param = static_cast<self_t&>(param);
 			value_t value;
+
+			// pop first element if empty string
+			if (new_name_stack_range.first != new_name_stack_range.second && new_name_stack_range.first->first.empty())
+			{
+				++new_name_stack_range.first;
+			}
+
 			// no further names in stack, attempt to parse value now
-			if (name_stack_range.first == name_stack_range.second)
+			if (new_name_stack_range.first == new_name_stack_range.second)
 			{
 				// attempt to read value directly
 				if (parser.readValue(value))
@@ -1169,14 +1331,14 @@ namespace LLInitParam
 				}
 				
 				// try to parse a known named value
-				if(name_value_lookup_t::valueNamesExist())
+				if(named_value_t::valueNamesExist())
 				{
 					// try to parse a known named value
 					std::string name;
 					if (parser.readValue(name))
 					{
 						// try to parse a per type named value
-						if (name_value_lookup_t::getValueFromName(name, value))
+						if (named_value_t::getValueFromName(name, value))
 						{
 							typed_param.add(value);
 							typed_param.mValues.back().setValueName(name);
@@ -1192,14 +1354,14 @@ namespace LLInitParam
 		static void serializeParam(const Param& param, Parser& parser, Parser::name_stack_t& name_stack, const Param* diff_param)
 		{
 			const self_t& typed_param = static_cast<const self_t&>(param);
-			if (!typed_param.isProvided() || name_stack.empty()) return;
+			if (!typed_param.isProvided()) return;
 
 			for (const_iterator it = typed_param.mValues.begin(), end_it = typed_param.mValues.end();
 				it != end_it;
 				++it)
 			{
 				std::string key = it->getValueName();
-				name_stack.back().second = true;
+				name_stack.push_back(std::make_pair(std::string(), true));
 
 				if(key.empty())
 				// not parsed via name values, write out value directly
@@ -1221,19 +1383,21 @@ namespace LLInitParam
 						break;
 					}
 				}
+
+				name_stack.pop_back();
 			}
 		}
 
 		static void inspectParam(const Param& param, Parser& parser, Parser::name_stack_t& name_stack, S32 min_count, S32 max_count)
 		{
 			parser.inspectValue<VALUE_TYPE>(name_stack, min_count, max_count, NULL);
-			if (name_value_lookup_t::getPossibleValues())
+			if (named_value_t::getPossibleValues())
 			{
-				parser.inspectValue<std::string>(name_stack, min_count, max_count, name_value_lookup_t::getPossibleValues());
+				parser.inspectValue<std::string>(name_stack, min_count, max_count, named_value_t::getPossibleValues());
 			}
 		}
 
-		void set(value_assignment_t val, bool flag_as_provided = true)
+		void set(const container_t& val, bool flag_as_provided = true)
 		{
 			mValues = val;
 			setProvided(flag_as_provided);
@@ -1241,26 +1405,24 @@ namespace LLInitParam
 
 		param_value_t& add()
 		{
-			mValues.push_back(param_value_t(value_t()));
+			mValues.push_back(value_t());
 			Param::setProvided();
 			return mValues.back();
 		}
 
 		self_t& add(const value_t& item)
 		{
-			param_value_t param_value;
-			param_value.setValue(item);
-			mValues.push_back(param_value);
+			mValues.push_back(item);
 			setProvided();
 			return *this;
 		}
 
-		self_t& add(const typename name_value_lookup_t::name_t& name)
+		self_t& add(const typename named_value_t::name_t& name)
 		{
 			value_t value;
 
 			// try to parse a per type named value
-			if (name_value_lookup_t::getValueFromName(name, value))
+			if (named_value_t::getValueFromName(name, value))
 			{
 				add(value);
 				mValues.back().setValueName(name);
@@ -1270,9 +1432,9 @@ namespace LLInitParam
 		}
 
 		// implicit conversion
-		operator value_assignment_t() const { return mValues; } 
+		operator const container_t&() const { return mValues; } 
 		// explicit conversion		
-		value_assignment_t operator()() const { return mValues; }
+		const container_t& operator()() const { return mValues; }
 
 		typedef typename container_t::iterator iterator;
 		typedef typename container_t::const_iterator const_iterator;
@@ -1313,72 +1475,97 @@ namespace LLInitParam
 		}
 
 		container_t		mValues;
+
+	private:
+		void init( BlockDescriptor &block_descriptor, ParamDescriptor::validation_func_t validate_func, S32 min_count, S32 max_count, const char* name ) 
+		{
+			ParamDescriptorPtr param_descriptor = ParamDescriptorPtr(new ParamDescriptor(
+				block_descriptor.mCurrentBlockPtr->getHandleFromParam(this),
+				&mergeWith,
+				&deserializeParam,
+				&serializeParam,
+				validate_func,
+				&inspectParam,
+				min_count, max_count));
+			block_descriptor.addParam(param_descriptor, name);
+		}
 	};
 
-	// container of block parameters
+	// list of block parameters
 	template <typename VALUE_TYPE, typename NAME_VALUE_LOOKUP>
-	class TypedParam<VALUE_TYPE, NAME_VALUE_LOOKUP, true, true> 
+	class TypedParam<VALUE_TYPE, NAME_VALUE_LOOKUP, true, IS_A_BLOCK> 
 	:	public Param
 	{
+	protected:
+		typedef TypedParam<VALUE_TYPE, NAME_VALUE_LOOKUP, true, IS_A_BLOCK>		self_t;
+		typedef ParamValue<typename LLTypeTags::Sorted<VALUE_TYPE>::value_t>	param_value_t;
+		typedef typename std::vector<typename NAME_VALUE_LOOKUP::type_value_t>	container_t;
+		typedef typename NAME_VALUE_LOOKUP::type_value_t						named_value_t;
+		typedef container_t														default_value_t;
+		typedef typename container_t::iterator									iterator;
+		typedef typename container_t::const_iterator							const_iterator;
 	public:
-		typedef TypedParam<VALUE_TYPE, NAME_VALUE_LOOKUP, true, true>	self_t;
-		typedef ParamValue<VALUE_TYPE, NAME_VALUE_LOOKUP>				param_value_t;
-		typedef typename std::vector<param_value_t>						container_t;
-		typedef const container_t&										value_assignment_t;
 		typedef typename param_value_t::value_t							value_t;
-		typedef NAME_VALUE_LOOKUP										name_value_lookup_t;
 
-		TypedParam(BlockDescriptor& block_descriptor, const char* name, value_assignment_t value, ParamDescriptor::validation_func_t validate_func, S32 min_count, S32 max_count) 
+		TypedParam(BlockDescriptor& block_descriptor, const char* name, const default_value_t& value, ParamDescriptor::validation_func_t validate_func, S32 min_count, S32 max_count)
 		:	Param(block_descriptor.mCurrentBlockPtr)
 		{
 			std::copy(value.begin(), value.end(), back_inserter(mValues));
 
 			if (LL_UNLIKELY(block_descriptor.mInitializationState == BlockDescriptor::INITIALIZING))
 			{
-				ParamDescriptorPtr param_descriptor = ParamDescriptorPtr(new ParamDescriptor(
-												block_descriptor.mCurrentBlockPtr->getHandleFromParam(this),
-												&mergeWith,
-												&deserializeParam,
-												&serializeParam,
-												validate_func,
-												&inspectParam,
-												min_count, max_count));
-				BaseBlock::addParam(block_descriptor, param_descriptor, name);
+				init(block_descriptor, validate_func, min_count, max_count, name);
 			}
 		} 
 
 		bool isProvided() const { return Param::anyProvided(); }
 
-		static bool deserializeParam(Param& param, Parser& parser, const Parser::name_stack_range_t& name_stack_range, bool new_name) 
+		static bool deserializeParam(Param& param, Parser& parser, Parser::name_stack_range_t& name_stack_range, bool new_name) 
 		{ 
+			Parser::name_stack_range_t new_name_stack_range(name_stack_range);
 			self_t& typed_param = static_cast<self_t&>(param);
 			bool new_value = false;
+			bool new_array_value = false;
 
-			if (new_name || typed_param.mValues.empty())
+			// pop first element if empty string
+			if (new_name_stack_range.first != new_name_stack_range.second && new_name_stack_range.first->first.empty())
+			{
+				new_array_value = new_name_stack_range.first->second;
+				++new_name_stack_range.first;
+			}
+
+			if (new_name || new_array_value || typed_param.mValues.empty())
 			{
 				new_value = true;
 				typed_param.mValues.push_back(value_t());
 			}
-
 			param_value_t& value = typed_param.mValues.back();
 
 			// attempt to parse block...
-			if(value.deserializeBlock(parser, name_stack_range, new_name))
+			if(value.deserializeBlock(parser, new_name_stack_range, new_name))
 			{
 				typed_param.setProvided();
+				if (new_array_value)
+				{
+					name_stack_range.first->second = false;
+				}
 				return true;
 			}
-			else if(name_value_lookup_t::valueNamesExist())
+			else if(named_value_t::valueNamesExist())
 			{
 				// try to parse a known named value
 				std::string name;
 				if (parser.readValue(name))
 				{
 					// try to parse a per type named value
-					if (name_value_lookup_t::getValueFromName(name, value.getValue()))
+					if (named_value_t::getValueFromName(name, value.getValue()))
 					{
 						typed_param.mValues.back().setValueName(name);
 						typed_param.setProvided();
+						if (new_array_value)
+						{
+							name_stack_range.first->second = false;
+						}
 						return true;
 					}
 
@@ -1396,13 +1583,13 @@ namespace LLInitParam
 		static void serializeParam(const Param& param, Parser& parser, Parser::name_stack_t& name_stack, const Param* diff_param)
 		{
 			const self_t& typed_param = static_cast<const self_t&>(param);
-			if (!typed_param.isProvided() || name_stack.empty()) return;
+			if (!typed_param.isProvided()) return;
 
 			for (const_iterator it = typed_param.mValues.begin(), end_it = typed_param.mValues.end();
 				it != end_it;
 				++it)
 			{
-				name_stack.back().second = true;
+				name_stack.push_back(std::make_pair(std::string(), true));
 
 				std::string key = it->getValueName();
 				if (!key.empty())
@@ -1415,16 +1602,27 @@ namespace LLInitParam
 				{
 					it->serializeBlock(parser, name_stack, NULL);
 				}
+
+				name_stack.pop_back();
 			}
 		}
 
 		static void inspectParam(const Param& param, Parser& parser, Parser::name_stack_t& name_stack, S32 min_count, S32 max_count)
 		{
-			// I am a vector of blocks, so describe my contents recursively
-			param_value_t(value_t()).inspectBlock(parser, name_stack, min_count, max_count);
+			const param_value_t& value_param = param_value_t(value_t());
+
+			// tell parser about our actual type
+			parser.inspectValue<value_t>(name_stack, min_count, max_count, NULL);
+			// then tell it about string-based alternatives ("red", "blue", etc. for LLColor4)
+			if (named_value_t::getPossibleValues())
+			{
+				parser.inspectValue<std::string>(name_stack, min_count, max_count, named_value_t::getPossibleValues());
 		}
 
-		void set(value_assignment_t val, bool flag_as_provided = true)
+			value_param.inspectBlock(parser, name_stack, min_count, max_count);
+		}
+
+		void set(const container_t& val, bool flag_as_provided = true)
 		{
 			mValues = val;
 			setProvided(flag_as_provided);
@@ -1444,12 +1642,12 @@ namespace LLInitParam
 			return *this;
 		}
 
-		self_t& add(const typename name_value_lookup_t::name_t& name)
+		self_t& add(const typename named_value_t::name_t& name)
 		{
 			value_t value;
 
 			// try to parse a per type named value
-			if (name_value_lookup_t::getValueFromName(name, value))
+			if (named_value_t::getValueFromName(name, value))
 			{
 				add(value);
 				mValues.back().setValueName(name);
@@ -1458,12 +1656,10 @@ namespace LLInitParam
 		}
 
 		// implicit conversion
-		operator value_assignment_t() const { return mValues; } 
+		operator const container_t&() const { return mValues; } 
 		// explicit conversion
-		value_assignment_t operator()() const { return mValues; }
+		const container_t& operator()() const { return mValues; }
 
-		typedef typename container_t::iterator iterator;
-		typedef typename container_t::const_iterator const_iterator;
 		iterator begin() { return mValues.begin(); }
 		iterator end() { return mValues.end(); }
 		const_iterator begin() const { return mValues.begin(); }
@@ -1510,6 +1706,20 @@ namespace LLInitParam
 		}
 
 		container_t			mValues;
+
+	private:
+		void init( BlockDescriptor &block_descriptor, ParamDescriptor::validation_func_t validate_func, S32 min_count, S32 max_count, const char* name ) 
+		{
+			ParamDescriptorPtr param_descriptor = ParamDescriptorPtr(new ParamDescriptor(
+				block_descriptor.mCurrentBlockPtr->getHandleFromParam(this),
+				&mergeWith,
+				&deserializeParam,
+				&serializeParam,
+				validate_func,
+				&inspectParam,
+				min_count, max_count));
+			block_descriptor.addParam(param_descriptor, name);
+		}
 	};
 
 	template <typename DERIVED_BLOCK, typename BASE_BLOCK = BaseBlock>
@@ -1524,13 +1734,13 @@ namespace LLInitParam
 		// take all provided params from other and apply to self
 		bool overwriteFrom(const self_t& other)
 		{
-			return static_cast<DERIVED_BLOCK*>(this)->mergeBlock(selfBlockDescriptor(), other, true);
+			return static_cast<DERIVED_BLOCK*>(this)->mergeBlock(getBlockDescriptor(), other, true);
 		}
 
 		// take all provided params that are not already provided, and apply to self
 		bool fillFrom(const self_t& other)
 		{
-			return static_cast<DERIVED_BLOCK*>(this)->mergeBlock(selfBlockDescriptor(), other, false);
+			return static_cast<DERIVED_BLOCK*>(this)->mergeBlock(getBlockDescriptor(), other, false);
 		}
 
 		bool mergeBlockParam(bool source_provided, bool dest_provided, BlockDescriptor& block_data, const self_t& source, bool overwrite)
@@ -1548,7 +1758,7 @@ namespace LLInitParam
 		bool mergeBlock(BlockDescriptor& block_data, const self_t& other, bool overwrite)
 		{
 			mCurChoice = other.mCurChoice;
-			return base_block_t::mergeBlock(selfBlockDescriptor(), other, overwrite);
+			return base_block_t::mergeBlock(getBlockDescriptor(), other, overwrite);
 		}
 
 		// clear out old choice when param has changed
@@ -1569,38 +1779,38 @@ namespace LLInitParam
 			base_block_t::paramChanged(changed_param, user_provided);
 		}
 
-		virtual const BlockDescriptor& mostDerivedBlockDescriptor() const { return selfBlockDescriptor(); }
-		virtual BlockDescriptor& mostDerivedBlockDescriptor() { return selfBlockDescriptor(); }
+		virtual const BlockDescriptor& mostDerivedBlockDescriptor() const { return getBlockDescriptor(); }
+		virtual BlockDescriptor& mostDerivedBlockDescriptor() { return getBlockDescriptor(); }
 
 	protected:
 		ChoiceBlock()
 		:	mCurChoice(0)
 		{
-			BaseBlock::init(selfBlockDescriptor(), base_block_t::selfBlockDescriptor(), sizeof(DERIVED_BLOCK));
+			BaseBlock::init(getBlockDescriptor(), base_block_t::getBlockDescriptor(), sizeof(DERIVED_BLOCK));
 		}
 
 		// Alternatives are mutually exclusive wrt other Alternatives in the same block.  
 		// One alternative in a block will always have isChosen() == true.
 		// At most one alternative in a block will have isProvided() == true.
-		template <typename T, typename NAME_VALUE_LOOKUP = TypeValues<T> >
+		template <typename T, typename NAME_VALUE_LOOKUP = typename TypeValues<T>::type_value_t >
 		class Alternative : public TypedParam<T, NAME_VALUE_LOOKUP, false>
 		{
+			typedef TypedParam<T, NAME_VALUE_LOOKUP, false>	super_t;
+			typedef typename super_t::value_t				value_t;
+			typedef typename super_t::default_value_t		default_value_t;
+
 		public:
 			friend class ChoiceBlock<DERIVED_BLOCK>;
 
-			typedef Alternative<T, NAME_VALUE_LOOKUP>									self_t;
-			typedef TypedParam<T, NAME_VALUE_LOOKUP, false, IsBlock<ParamValue<T, NAME_VALUE_LOOKUP> >::value>		super_t;
-			typedef typename super_t::value_assignment_t								value_assignment_t;
-
 			using super_t::operator =;
 
-			explicit Alternative(const char* name = "", value_assignment_t val = defaultValue<T>())
-			:	super_t(DERIVED_BLOCK::selfBlockDescriptor(), name, val, NULL, 0, 1),
+			explicit Alternative(const char* name = "", const default_value_t& val = defaultValue<default_value_t>())
+			:	super_t(DERIVED_BLOCK::getBlockDescriptor(), name, val, NULL, 0, 1),
 				mOriginalValue(val)
 			{
 				// assign initial choice to first declared option
-				DERIVED_BLOCK* blockp = ((DERIVED_BLOCK*)DERIVED_BLOCK::selfBlockDescriptor().mCurrentBlockPtr);
-				if (LL_UNLIKELY(DERIVED_BLOCK::selfBlockDescriptor().mInitializationState == BlockDescriptor::INITIALIZING))
+				DERIVED_BLOCK* blockp = ((DERIVED_BLOCK*)DERIVED_BLOCK::getBlockDescriptor().mCurrentBlockPtr);
+				if (LL_UNLIKELY(DERIVED_BLOCK::getBlockDescriptor().mInitializationState == BlockDescriptor::INITIALIZING))
 				{
 					if(blockp->mCurChoice == 0)
 					{
@@ -1614,27 +1824,27 @@ namespace LLInitParam
 				static_cast<enclosing_block_t&>(Param::enclosingBlock()).paramChanged(*this, true);
 			}
 
-			void chooseAs(value_assignment_t val)
+			void chooseAs(const value_t& val)
 			{
 				super_t::set(val);
 			}
 
-			void operator =(value_assignment_t val)
+			void operator =(const value_t& val)
 			{
 				super_t::set(val);
 			}
 
-			void operator()(typename super_t::value_assignment_t val) 
+			void operator()(const value_t& val) 
 			{ 
 				super_t::set(val);
 			}
 
-			operator value_assignment_t() const 
+			operator const value_t&() const 
 			{
 				return (*this)();
 			} 
 
-			value_assignment_t operator()() const 
+			const value_t& operator()() const 
 			{ 
 				if (static_cast<enclosing_block_t&>(Param::enclosingBlock()).getCurrentChoice() == this)
 				{
@@ -1649,11 +1859,11 @@ namespace LLInitParam
 			}
 		
 		private:
-			T			mOriginalValue;
+			default_value_t mOriginalValue;
 		};
 
-	protected:
-		static BlockDescriptor& selfBlockDescriptor()
+	public:
+		static BlockDescriptor& getBlockDescriptor()
 		{
 			static BlockDescriptor sBlockDescriptor;
 			return sBlockDescriptor;
@@ -1673,6 +1883,8 @@ namespace LLInitParam
 	:	public BASE_BLOCK
 	{
 		typedef Block<DERIVED_BLOCK, BASE_BLOCK>	self_t;
+
+	protected:
 		typedef Block<DERIVED_BLOCK, BASE_BLOCK>	block_t;
 
 	public:
@@ -1681,80 +1893,82 @@ namespace LLInitParam
 		// take all provided params from other and apply to self
 		bool overwriteFrom(const self_t& other)
 		{
-			return static_cast<DERIVED_BLOCK*>(this)->mergeBlock(selfBlockDescriptor(), other, true);
+			return static_cast<DERIVED_BLOCK*>(this)->mergeBlock(getBlockDescriptor(), other, true);
 		}
 
 		// take all provided params that are not already provided, and apply to self
 		bool fillFrom(const self_t& other)
 		{
-			return static_cast<DERIVED_BLOCK*>(this)->mergeBlock(selfBlockDescriptor(), other, false);
+			return static_cast<DERIVED_BLOCK*>(this)->mergeBlock(getBlockDescriptor(), other, false);
 		}
 
-		virtual const BlockDescriptor& mostDerivedBlockDescriptor() const { return selfBlockDescriptor(); }
-		virtual BlockDescriptor& mostDerivedBlockDescriptor() { return selfBlockDescriptor(); }
+		virtual const BlockDescriptor& mostDerivedBlockDescriptor() const { return getBlockDescriptor(); }
+		virtual BlockDescriptor& mostDerivedBlockDescriptor() { return getBlockDescriptor(); }
 
 	protected:
 		Block()
 		{
 			//#pragma message("Parsing LLInitParam::Block")
-			BaseBlock::init(selfBlockDescriptor(), BASE_BLOCK::selfBlockDescriptor(), sizeof(DERIVED_BLOCK));
+			BaseBlock::init(getBlockDescriptor(), BASE_BLOCK::getBlockDescriptor(), sizeof(DERIVED_BLOCK));
 		}
 
 		//
 		// Nested classes for declaring parameters
 		//
-		template <typename T, typename NAME_VALUE_LOOKUP = TypeValues<T> >
+		template <typename T, typename NAME_VALUE_LOOKUP = typename TypeValues<T>::type_value_t >
 		class Optional : public TypedParam<T, NAME_VALUE_LOOKUP, false>
 		{
-		public:
-			typedef TypedParam<T, NAME_VALUE_LOOKUP, false, IsBlock<ParamValue<T, NAME_VALUE_LOOKUP> >::value>		super_t;
-			typedef typename super_t::value_assignment_t								value_assignment_t;
+			typedef TypedParam<T, NAME_VALUE_LOOKUP, false>		super_t;
+			typedef typename super_t::value_t					value_t;
+			typedef typename super_t::default_value_t			default_value_t;
 
+		public:
 			using super_t::operator();
 			using super_t::operator =;
 			
-			explicit Optional(const char* name = "", value_assignment_t val = defaultValue<T>())
-			:	super_t(DERIVED_BLOCK::selfBlockDescriptor(), name, val, NULL, 0, 1)
+			explicit Optional(const char* name = "", const default_value_t& val = defaultValue<default_value_t>())
+			:	super_t(DERIVED_BLOCK::getBlockDescriptor(), name, val, NULL, 0, 1)
 			{
 				//#pragma message("Parsing LLInitParam::Block::Optional")
 			}
 
-			Optional& operator =(value_assignment_t val)
+			Optional& operator =(const value_t& val)
 			{
 				set(val);
 				return *this;
 			}
 
-			DERIVED_BLOCK& operator()(value_assignment_t val)
+			DERIVED_BLOCK& operator()(const value_t& val)
 			{
 				super_t::set(val);
 				return static_cast<DERIVED_BLOCK&>(Param::enclosingBlock());
 			}
 		};
 
-		template <typename T, typename NAME_VALUE_LOOKUP = TypeValues<T> >
+		template <typename T, typename NAME_VALUE_LOOKUP = typename TypeValues<T>::type_value_t >
 		class Mandatory : public TypedParam<T, NAME_VALUE_LOOKUP, false>
 		{
-		public:
-			typedef TypedParam<T, NAME_VALUE_LOOKUP, false, IsBlock<ParamValue<T, NAME_VALUE_LOOKUP> >::value>		super_t;
+			typedef TypedParam<T, NAME_VALUE_LOOKUP, false>		super_t;
 			typedef Mandatory<T, NAME_VALUE_LOOKUP>										self_t;
-			typedef typename super_t::value_assignment_t								value_assignment_t;
+			typedef typename super_t::value_t					value_t;
+			typedef typename super_t::default_value_t			default_value_t;
 
+		public:
 			using super_t::operator();
 			using super_t::operator =;
 
 			// mandatory parameters require a name to be parseable
-			explicit Mandatory(const char* name = "", value_assignment_t val = defaultValue<T>())
-			:	super_t(DERIVED_BLOCK::selfBlockDescriptor(), name, val, &validate, 1, 1)
+			explicit Mandatory(const char* name = "", const default_value_t& val = defaultValue<default_value_t>())
+			:	super_t(DERIVED_BLOCK::getBlockDescriptor(), name, val, &validate, 1, 1)
 			{}
 
-			Mandatory& operator =(value_assignment_t val)
+			Mandatory& operator =(const value_t& val)
 			{
 				set(val);
 				return *this;
 			}
 
-			DERIVED_BLOCK& operator()(typename super_t::value_assignment_t val)
+			DERIVED_BLOCK& operator()(const value_t& val)
 			{
 				super_t::set(val);
 				return static_cast<DERIVED_BLOCK&>(Param::enclosingBlock());
@@ -1768,28 +1982,29 @@ namespace LLInitParam
 
 		};
 
-		template <typename T, typename RANGE = BaseBlock::AnyAmount, typename NAME_VALUE_LOOKUP = TypeValues<T> >
+		template <typename T, typename RANGE = BaseBlock::AnyAmount, typename NAME_VALUE_LOOKUP = typename TypeValues<T>::type_value_t >
 		class Multiple : public TypedParam<T, NAME_VALUE_LOOKUP, true>
 		{
-		public:
-			typedef TypedParam<T, NAME_VALUE_LOOKUP, true, IsBlock<ParamValue<T, NAME_VALUE_LOOKUP> >::value>	super_t;
+			typedef TypedParam<T, NAME_VALUE_LOOKUP, true>	super_t;
 			typedef Multiple<T, RANGE, NAME_VALUE_LOOKUP>							self_t;
 			typedef typename super_t::container_t									container_t;
-			typedef typename super_t::value_assignment_t							value_assignment_t;
+			typedef typename super_t::value_t				value_t;
+
+		public:
 			typedef typename super_t::iterator										iterator;
 			typedef typename super_t::const_iterator								const_iterator;
 
 			explicit Multiple(const char* name = "")
-			:	super_t(DERIVED_BLOCK::selfBlockDescriptor(), name, container_t(), &validate, RANGE::minCount, RANGE::maxCount)
+			:	super_t(DERIVED_BLOCK::getBlockDescriptor(), name, container_t(), &validate, RANGE::minCount, RANGE::maxCount)
 			{}
 
-			Multiple& operator =(value_assignment_t val)
+			Multiple& operator =(const container_t& val)
 			{
 				set(val);
 				return *this;
 			}
 
-			DERIVED_BLOCK& operator()(typename super_t::value_assignment_t val)
+			DERIVED_BLOCK& operator()(const container_t& val)
 			{
 				super_t::set(val);
 				return static_cast<DERIVED_BLOCK&>(Param::enclosingBlock());
@@ -1802,13 +2017,15 @@ namespace LLInitParam
 			}
 		};
 
-		class Deprecated : public Param
+		// can appear in data files, but will ignored during parsing
+		// cannot read or write in code
+		class Ignored : public Param
 		{
 		public:
-			explicit Deprecated(const char* name)
-			:	Param(DERIVED_BLOCK::selfBlockDescriptor().mCurrentBlockPtr)
+			explicit Ignored(const char* name)
+			:	Param(DERIVED_BLOCK::getBlockDescriptor().mCurrentBlockPtr)
 			{
-				BlockDescriptor& block_descriptor = DERIVED_BLOCK::selfBlockDescriptor();
+				BlockDescriptor& block_descriptor = DERIVED_BLOCK::getBlockDescriptor();
 				if (LL_UNLIKELY(block_descriptor.mInitializationState == BlockDescriptor::INITIALIZING))
 				{
 					ParamDescriptorPtr param_descriptor = ParamDescriptorPtr(new ParamDescriptor(
@@ -1819,11 +2036,11 @@ namespace LLInitParam
 													NULL,
 													NULL, 
 													0, S32_MAX));
-					BaseBlock::addParam(block_descriptor, param_descriptor, name);
+					block_descriptor.addParam(param_descriptor, name);
 				}
 			}
 			
-			static bool deserializeParam(Param& param, Parser& parser, const Parser::name_stack_range_t& name_stack_range, bool new_name)
+			static bool deserializeParam(Param& param, Parser& parser, Parser::name_stack_range_t& name_stack_range, bool new_name)
 			{
 				if (name_stack_range.first == name_stack_range.second)
 				{
@@ -1836,19 +2053,46 @@ namespace LLInitParam
 			}
 		};
 
-		// different semantics for documentation purposes, but functionally identical
-		typedef Deprecated Ignored;
+		// can appear in data files, or be written to in code, but data will be ignored
+		// cannot be read in code
+		class Deprecated : public Ignored
+		{
+		public:
+			explicit Deprecated(const char* name) : Ignored(name) {}
 
-	protected:
-		static BlockDescriptor& selfBlockDescriptor()
+			// dummy writer interfaces
+			template<typename T>
+			Deprecated& operator =(const T& val)
+		{
+				// do nothing
+				return *this;
+			}
+
+			template<typename T>
+			DERIVED_BLOCK& operator()(const T& val)
+			{
+				// do nothing
+				return static_cast<DERIVED_BLOCK&>(Param::enclosingBlock());
+			}
+
+			template<typename T>
+			void set(const T& val, bool flag_as_provided = true)
+			{
+				// do nothing
+			}
+		};
+
+	public:
+		static BlockDescriptor& getBlockDescriptor()
 		{
 			static BlockDescriptor sBlockDescriptor;
 			return sBlockDescriptor;
 		}
 
-		template <typename T, typename NAME_VALUE_LOOKUP, bool multiple, bool is_block>
+	protected:
+		template <typename T, typename NAME_VALUE_LOOKUP, bool multiple, typename is_block>
 		void changeDefault(TypedParam<T, NAME_VALUE_LOOKUP, multiple, is_block>& param, 
-			typename TypedParam<T, NAME_VALUE_LOOKUP, multiple, is_block>::value_assignment_t value)
+			const typename TypedParam<T, NAME_VALUE_LOOKUP, multiple, is_block>::value_t& value)
 		{
 			if (!param.isProvided())
 			{
@@ -1858,204 +2102,420 @@ namespace LLInitParam
 
 	};
 	
-	template <typename DERIVED_BLOCK, typename BASE_BLOCK = BaseBlock>
-	class BatchBlock
-	:	public Block<DERIVED_BLOCK, BASE_BLOCK>
+	template<typename T, typename BLOCK_T>
+	struct IsBlock<ParamValue<BaseBlock::Lazy<T, BaseBlock::IS_A_BLOCK>, BLOCK_T >, void>
+	{
+		typedef IS_A_BLOCK value_t;
+	};
+
+	template<typename T, typename BLOCK_T>
+	struct IsBlock<ParamValue<BaseBlock::Lazy<T, BaseBlock::NOT_A_BLOCK>, BLOCK_T >, void>
 	{
+		typedef NOT_BLOCK value_t;
+	};
+
+	template<typename T, typename BLOCK_IDENTIFIER>
+	struct IsBlock<ParamValue<BaseBlock::Atomic<T>, typename IsBlock<BaseBlock::Atomic<T> >::value_t >, BLOCK_IDENTIFIER>
+	{
+		typedef typename IsBlock<T>::value_t value_t;
+	};
+
+	template<typename T, typename BLOCK_IDENTIFIER>
+	struct IsBlock<ParamValue<BaseBlock::Sequential<T>, typename IsBlock<BaseBlock::Sequential<T> >::value_t >, BLOCK_IDENTIFIER>
+	{
+		typedef typename IsBlock<T>::value_t value_t;
+	};
+
+
+	template<typename T>
+	struct InnerMostType
+	{
+		typedef T value_t;
+	};
+
+	template<typename T>
+	struct InnerMostType<ParamValue<T, NOT_BLOCK> >
+	{
+		typedef typename InnerMostType<T>::value_t value_t;
+	};
+
+	template<typename T>
+	struct InnerMostType<ParamValue<T, IS_A_BLOCK> >
+	{
+		typedef typename InnerMostType<T>::value_t value_t;
+	};
+
+	template<typename T, typename BLOCK_T>
+	class ParamValue <BaseBlock::Atomic<T>, BLOCK_T>
+	{
+		typedef ParamValue <BaseBlock::Atomic<T>, BLOCK_T> self_t;
+
 	public:
-		typedef BatchBlock<DERIVED_BLOCK, BASE_BLOCK> self_t;
-		typedef Block<DERIVED_BLOCK, BASE_BLOCK> super_t;
+		typedef typename InnerMostType<T>::value_t	value_t;
+		typedef T									default_value_t;
+
+		ParamValue()
+		:	mValue(),
+			mValidated(false)
+		{}
 
-		BatchBlock()
+		ParamValue(const default_value_t& value)
+		:	mValue(value),
+			mValidated(false)
 		{}
 
-		bool deserializeBlock(Parser& p, Parser::name_stack_range_t name_stack_range, bool new_name)
+		void setValue(const value_t& val)
+		{
+			mValue.setValue(val);
+		}
+
+		const value_t& getValue() const
+		{
+			return mValue.getValue();
+		}
+
+		value_t& getValue()
+		{
+			return mValue.getValue();
+		}
+
+		bool deserializeBlock(Parser& p, Parser::name_stack_range_t& name_stack_range, bool new_name)
 		{
 			if (new_name)
 			{
-				// reset block
-				*static_cast<DERIVED_BLOCK*>(this) = defaultBatchValue();
+				resetToDefault();
 			}
-			return super_t::deserializeBlock(p, name_stack_range, new_name);
+			return mValue.deserializeBlock(p, name_stack_range, new_name);
 		}
 
-		bool mergeBlock(BlockDescriptor& block_data, const BaseBlock& other, bool overwrite)
+		void serializeBlock(Parser& p, Parser::name_stack_t& name_stack, const self_t* diff_block = NULL) const
 		{
-			if (overwrite)
+			const BaseBlock* base_block = diff_block
+				? &(diff_block->mValue)
+				: NULL;
+			mValue.serializeBlock(p, name_stack, base_block);
+		}
+
+		bool inspectBlock(Parser& p, Parser::name_stack_t name_stack = Parser::name_stack_t(), S32 min_count = 0, S32 max_count = S32_MAX) const
 			{
-				*static_cast<DERIVED_BLOCK*>(this) = defaultBatchValue();
-				// merge individual parameters into destination
-				return super_t::mergeBlock(super_t::selfBlockDescriptor(), other, overwrite);
+			return mValue.inspectBlock(p, name_stack, min_count, max_count);
 			}
-			return false;
+
+		bool mergeBlockParam(bool source_provided, bool dst_provided, BlockDescriptor& block_data, const self_t& source, bool overwrite)
+		{
+			if ((overwrite && source_provided) // new values coming in on top or...
+				|| (!overwrite && !dst_provided)) // values being pushed under with nothing already there
+			{
+				// clear away what is there and take the new stuff as a whole
+				resetToDefault();
+				return mValue.mergeBlock(block_data, source.getValue(), overwrite);
 		}
-	protected:
-		static const DERIVED_BLOCK& defaultBatchValue()
+			
+
+			return mValue.mergeBlock(block_data, source.getValue(), overwrite);
+		}
+
+		bool validateBlock(bool emit_errors = true) const
+		{
+			return mValue.validateBlock(emit_errors);
+		}
+
+		static BlockDescriptor& getBlockDescriptor()
+		{
+			return value_t::getBlockDescriptor();
+		}
+
+
+		mutable bool 	mValidated; // lazy validation flag
+
+	private:
+		void resetToDefault()
 		{
-			static DERIVED_BLOCK default_value;
-			return default_value;
+			static T default_value;
+			mValue = default_value;
 		}
+
+		T	mValue;
 	};
 
-	// FIXME: this specialization is not currently used, as it only matches against the BatchBlock base class
-	// and not the derived class with the actual params
-	template<typename DERIVED_BLOCK,
-			typename BASE_BLOCK,
-			typename NAME_VALUE_LOOKUP>
-	class ParamValue <BatchBlock<DERIVED_BLOCK, BASE_BLOCK>,
-					NAME_VALUE_LOOKUP,
-					true>
-	:	public NAME_VALUE_LOOKUP,
-		protected BatchBlock<DERIVED_BLOCK, BASE_BLOCK>
+	template<typename T>
+	class ParamValue <BaseBlock::Sequential<T>, IS_A_BLOCK>
 	{
+		typedef ParamValue <BaseBlock::Sequential<T>, IS_A_BLOCK> self_t;
+
 	public:
-		typedef BatchBlock<DERIVED_BLOCK, BASE_BLOCK> block_t;
-		typedef const BatchBlock<DERIVED_BLOCK, BASE_BLOCK>&	value_assignment_t;
-		typedef block_t value_t;
+		typedef typename InnerMostType<T>::value_t	value_t;
+		typedef T									default_value_t;
 
 		ParamValue()
-		:	block_t(),
+		:	mValue(),
 			mValidated(false)
-		{}
+		{
+			mCurParam = getBlockDescriptor().mAllParams.begin();
+		}
 
-		ParamValue(value_assignment_t other)
-		:	block_t(other),
+		ParamValue(const default_value_t& value)
+		:	mValue(value),
 			mValidated(false)
 		{
+			mCurParam = getBlockDescriptor().mAllParams.begin();
 		}
 
-		void setValue(value_assignment_t val)
+		void setValue(const value_t& val)
 		{
-			*this = val;
+			mValue.setValue(val);
 		}
 
-		value_assignment_t getValue() const
+		const value_t& getValue() const
 		{
-			return *this;
+			return mValue.getValue();
 		}
 
-		BatchBlock<DERIVED_BLOCK, BASE_BLOCK>& getValue()
+		value_t& getValue()
 		{
-			return *this;
+			return mValue.getValue();
 		}
 
-		operator value_assignment_t() const
+		bool deserializeBlock(Parser& p, Parser::name_stack_range_t& name_stack_range, bool new_name)
 		{
-			return *this;
+			if (new_name)
+			{
+				mCurParam = getBlockDescriptor().mAllParams.begin();
 		}
+			if (name_stack_range.first == name_stack_range.second 
+				&& mCurParam != getBlockDescriptor().mAllParams.end())
+			{
+				// deserialize to mCurParam
+				ParamDescriptor& pd = *(*mCurParam);
+				ParamDescriptor::deserialize_func_t deserialize_func = pd.mDeserializeFunc;
+				Param* paramp = mValue.getParamFromHandle(pd.mParamHandle);
 
-		value_assignment_t operator()() const
+				if (deserialize_func 
+					&& paramp 
+					&& deserialize_func(*paramp, p, name_stack_range, new_name))
 		{
-			return *this;
+					++mCurParam;
+					return true;
+				}
+				else
+				{
+					return false;
+				}
+		}
+			else
+			{
+				return mValue.deserializeBlock(p, name_stack_range, new_name);
+			}
+		}
+
+		void serializeBlock(Parser& p, Parser::name_stack_t& name_stack, const self_t* diff_block = NULL) const
+		{
+			const BaseBlock* base_block = diff_block
+				? &(diff_block->mValue)
+				: NULL;
+			mValue.serializeBlock(p, name_stack, base_block);
+		}
+
+		bool inspectBlock(Parser& p, Parser::name_stack_t name_stack = Parser::name_stack_t(), S32 min_count = 0, S32 max_count = S32_MAX) const
+		{
+			return mValue.inspectBlock(p, name_stack, min_count, max_count);
+		}
+
+		bool mergeBlockParam(bool source_provided, bool dst_provided, BlockDescriptor& block_data, const self_t& source, bool overwrite)
+		{
+			return mValue.mergeBlock(block_data, source.getValue(), overwrite);
+		}
+
+		bool validateBlock(bool emit_errors = true) const
+		{
+			return mValue.validateBlock(emit_errors);
+		}
+
+		static BlockDescriptor& getBlockDescriptor()
+		{
+			return value_t::getBlockDescriptor();
 		}
 
-	protected:
 		mutable bool 	mValidated; // lazy validation flag
+
+	private:
+
+		BlockDescriptor::all_params_list_t::iterator	mCurParam;
+		T												mValue;
 	};
 
-	template<typename T, bool IS_BLOCK>
-	class ParamValue <BaseBlock::Lazy<T>,
-					TypeValues<T>,
-					IS_BLOCK>
-	:	public IsBlock<T>::base_class_t
+	template<typename T>
+	class ParamValue <BaseBlock::Sequential<T>, NOT_BLOCK>
+	: public T
 	{
+		typedef ParamValue <BaseBlock::Sequential<T>, NOT_BLOCK> self_t;
+
 	public:
-		typedef ParamValue <BaseBlock::Lazy<T>, TypeValues<T>, false> self_t;
-		typedef const T& value_assignment_t;
-		typedef T value_t;
+		typedef typename InnerMostType<T>::value_t	value_t;
+		typedef T									default_value_t;
+
+		ParamValue()
+		:	T(),
+			mValidated(false)
+		{}
+	
+		ParamValue(const default_value_t& value)
+		:	T(value.getValue()),
+			mValidated(false)
+		{}
+
+		mutable bool 	mValidated; // lazy validation flag
+	};
+
+	template<typename T, typename BLOCK_T>
+	class ParamValue <BaseBlock::Lazy<T, IS_A_BLOCK>, BLOCK_T> 
+	{
+		typedef ParamValue <BaseBlock::Lazy<T, IS_A_BLOCK>, BLOCK_T> self_t;
+
+	public:
+		typedef typename InnerMostType<T>::value_t	value_t;
+		typedef LazyValue<T>						default_value_t;
 	
 		ParamValue()
 		:	mValue(),
 			mValidated(false)
 		{}
 
-		ParamValue(value_assignment_t other)
+		ParamValue(const default_value_t& other)
 		:	mValue(other),
 			mValidated(false)
 		{}
 
-		void setValue(value_assignment_t val)
+		ParamValue(const T& value)
+		:	mValue(value),
+			mValidated(false)
+		{}
+
+		void setValue(const value_t& val)
 		{
 			mValue.set(val);
 		}
 
-		value_assignment_t getValue() const
+		const value_t& getValue() const
 		{
-			return mValue.get();
+			return mValue.get().getValue();
 		}
 
-		T& getValue()
+		value_t& getValue()
 		{
-			return mValue.get();
+			return mValue.get().getValue();
 		}
 
-		operator value_assignment_t() const
+		bool deserializeBlock(Parser& p, Parser::name_stack_range_t& name_stack_range, bool new_name)
 		{
-			return mValue.get();
+			return mValue.get().deserializeBlock(p, name_stack_range, new_name);
 		}
 
-		value_assignment_t operator()() const
+		void serializeBlock(Parser& p, Parser::name_stack_t& name_stack, const self_t* diff_block = NULL) const
 		{
-			return mValue.get();
+			if (mValue.empty()) return;
+			
+			const BaseBlock* base_block = (diff_block && !diff_block->mValue.empty())
+											? &(diff_block->mValue.get().getValue())
+											: NULL;
+			mValue.get().serializeBlock(p, name_stack, base_block);
 		}
 
-		bool deserializeBlock(Parser& p, Parser::name_stack_range_t name_stack_range, bool new_name)
+		bool inspectBlock(Parser& p, Parser::name_stack_t name_stack = Parser::name_stack_t(), S32 min_count = 0, S32 max_count = S32_MAX) const
 		{
-			return mValue.get().deserializeBlock(p, name_stack_range, new_name);
+			return mValue.get().inspectBlock(p, name_stack, min_count, max_count);
 		}
 
-		void serializeBlock(Parser& p, Parser::name_stack_t& name_stack, const BaseBlock* diff_block = NULL) const
+		bool mergeBlockParam(bool source_provided, bool dst_provided, BlockDescriptor& block_data, const self_t& source, bool overwrite)
 		{
-			if (mValue.empty()) return;
+			return source.mValue.empty() || mValue.get().mergeBlock(block_data, source.getValue(), overwrite);
+		}
 			
-			mValue.get().serializeBlock(p, name_stack, diff_block);
+		bool validateBlock(bool emit_errors = true) const
+		{
+			return mValue.empty() || mValue.get().validateBlock(emit_errors);
 		}
 
-		bool inspectBlock(Parser& p, Parser::name_stack_t name_stack = Parser::name_stack_t(), S32 min_count = 0, S32 max_count = S32_MAX) const
+		static BlockDescriptor& getBlockDescriptor()
 		{
-			if (mValue.empty()) return false;
+			return value_t::getBlockDescriptor();
+		}
 
-			return mValue.get().inspectBlock(p, name_stack, min_count, max_count);
+		mutable bool 	mValidated; // lazy validation flag
+
+	private:
+		LazyValue<T>	mValue;
+	};
+
+	template<typename T, typename BLOCK_T>
+	class ParamValue <BaseBlock::Lazy<T, NOT_BLOCK>, BLOCK_T>
+		{
+		typedef ParamValue <BaseBlock::Lazy<T, NOT_BLOCK>, BLOCK_T> self_t;
+
+	public:
+		typedef typename InnerMostType<T>::value_t	value_t;
+		typedef LazyValue<T>						default_value_t;
+
+		ParamValue()
+		:	mValue(),
+			mValidated(false)
+		{}
+
+		ParamValue(const default_value_t& other)
+		:	mValue(other),
+			mValidated(false)
+		{}
+
+		ParamValue(const T& value)
+		:	mValue(value),
+			mValidated(false)
+		{}
+			
+		void setValue(const value_t& val)
+		{
+			mValue.set(val);
+		}
+
+		const value_t& getValue() const
+		{
+			return mValue.get().getValue();
+		}
+
+		value_t& getValue()
+		{
+			return mValue.get().getValue();
 		}
 
-	protected:
 		mutable bool 	mValidated; // lazy validation flag
 
 	private:
-		BaseBlock::Lazy<T>	mValue;
+		LazyValue<T>	mValue;
 	};
 
 	template <>
-	class ParamValue <LLSD,
-					TypeValues<LLSD>,
-					false>
-	:	public TypeValues<LLSD>,
-		public BaseBlock
+	class ParamValue <LLSD, NOT_BLOCK>
+	:	public BaseBlock
 	{
 	public:
-		typedef ParamValue<LLSD, TypeValues<LLSD>, false> self_t;
-		typedef const LLSD&	value_assignment_t;
+		typedef LLSD			value_t;
+		typedef LLSD			default_value_t;
 
 		ParamValue()
 		:	mValidated(false)
 		{}
 
-		ParamValue(value_assignment_t other)
+		ParamValue(const default_value_t& other)
 		:	mValue(other),
 			mValidated(false)
 		{}
 
-		void setValue(value_assignment_t val) { mValue = val; }
+		void setValue(const value_t& val) { mValue = val; }
 
-		value_assignment_t getValue() const { return mValue; }
+		const value_t& getValue() const { return mValue; }
 		LLSD& getValue() { return mValue; }
 
-		operator value_assignment_t() const { return mValue; }
-		value_assignment_t operator()() const { return mValue; }
-		
-
 		// block param interface
-		LL_COMMON_API bool deserializeBlock(Parser& p, Parser::name_stack_range_t name_stack_range, bool new_name);
+		LL_COMMON_API bool deserializeBlock(Parser& p, Parser::name_stack_range_t& name_stack_range, bool new_name);
 		LL_COMMON_API void serializeBlock(Parser& p, Parser::name_stack_t& name_stack, const BaseBlock* diff_block = NULL) const;
 		bool inspectBlock(Parser& p, Parser::name_stack_t name_stack = Parser::name_stack_t(), S32 min_count = 0, S32 max_count = S32_MAX) const
 		{
@@ -2074,8 +2534,7 @@ namespace LLInitParam
 
 	template<typename T>
 	class CustomParamValue
-	:	public Block<ParamValue<T, TypeValues<T> > >,
-		public TypeValues<T>
+	:	public Block<ParamValue<T> >
 	{
 	public:
 		typedef enum e_value_age
@@ -2085,20 +2544,21 @@ namespace LLInitParam
 			BLOCK_AUTHORITATIVE		// mValue is derived from the block parameters, which are authoritative
 		} EValueAge;
 
-		typedef ParamValue<T, TypeValues<T> >	derived_t;
+		typedef ParamValue<T>			derived_t;
 		typedef CustomParamValue<T>				self_t;
 		typedef Block<derived_t>				block_t;
-		typedef const T&						value_assignment_t;
+		typedef T						default_value_t;
 		typedef T								value_t;
+		typedef void					baseblock_base_class_t;
 
 
-		CustomParamValue(const T& value = T())
+		CustomParamValue(const default_value_t& value = T())
 		:	mValue(value),
 			mValueAge(VALUE_AUTHORITATIVE),
 			mValidated(false)
 		{}
 
-		bool deserializeBlock(Parser& parser, Parser::name_stack_range_t name_stack_range, bool new_name)
+		bool deserializeBlock(Parser& parser, Parser::name_stack_range_t& name_stack_range, bool new_name)
 		{
 			derived_t& typed_param = static_cast<derived_t&>(*this);
 			// try to parse direct value T
@@ -2109,8 +2569,6 @@ namespace LLInitParam
 					typed_param.mValueAge = VALUE_AUTHORITATIVE;
 					typed_param.updateBlockFromValue(false);
 
-					typed_param.clearValueName();
-
 					return true;
 				}
 			}
@@ -2124,18 +2582,8 @@ namespace LLInitParam
 			const derived_t& typed_param = static_cast<const derived_t&>(*this);
 			const derived_t* diff_param = static_cast<const derived_t*>(diff_block);
 			
-			std::string key = typed_param.getValueName();
-
-			// first try to write out name of name/value pair
-			if (!key.empty())
-			{
-				if (!diff_param || !ParamCompare<std::string>::equals(diff_param->getValueName(), key))
-				{
-					parser.writeValue(key, name_stack);
-				}
-			}
 			// then try to serialize value directly
-			else if (!diff_param || !ParamCompare<T>::equals(typed_param.getValue(), diff_param->getValue()))
+			if (!diff_param || !ParamCompare<T>::equals(typed_param.getValue(), diff_param->getValue()))
             {
 				
 				if (!parser.writeValue(typed_param.getValue(), name_stack)) 
@@ -2165,19 +2613,6 @@ namespace LLInitParam
 			}
 		}
 
-		bool inspectBlock(Parser& parser, Parser::name_stack_t name_stack = Parser::name_stack_t(), S32 min_count = 0, S32 max_count = S32_MAX) const
-		{
-			// first, inspect with actual type...
-			parser.inspectValue<T>(name_stack, min_count, max_count, NULL);
-			if (TypeValues<T>::getPossibleValues())
-			{
-				//...then inspect with possible string values...
-				parser.inspectValue<std::string>(name_stack, min_count, max_count, TypeValues<T>::getPossibleValues());
-			}
-			// then recursively inspect contents...
-			return block_t::inspectBlock(parser, name_stack, min_count, max_count);
-		}
-
 		bool validateBlock(bool emit_errors = true) const
 		{
 			if (mValueAge == VALUE_NEEDS_UPDATE)
@@ -2185,7 +2620,6 @@ namespace LLInitParam
 				if (block_t::validateBlock(emit_errors))
 				{
 					// clear stale keyword associated with old value
-					TypeValues<T>::clearValueName();
 					mValueAge = BLOCK_AUTHORITATIVE;
 					static_cast<derived_t*>(const_cast<self_t*>(this))->updateValueFromBlock();
 					return true;
@@ -2215,17 +2649,15 @@ namespace LLInitParam
 			}
 		}
 			
-		void setValue(value_assignment_t val)
+		void setValue(const value_t& val)
 		{
-			derived_t& typed_param = static_cast<derived_t&>(*this);
 			// set param version number to be up to date, so we ignore block contents
 			mValueAge = VALUE_AUTHORITATIVE;
 			mValue = val;
-			typed_param.clearValueName();
 			static_cast<derived_t*>(this)->updateBlockFromValue(false);
 		}
 
-		value_assignment_t getValue() const
+		const value_t& getValue() const
 		{
 			validateBlock(true);
 			return mValue;
@@ -2237,20 +2669,10 @@ namespace LLInitParam
 			return mValue;
 		}
 
-		operator value_assignment_t() const
-		{
-			return getValue();
-		}
-
-		value_assignment_t operator()() const
-		{
-			return getValue();
-		}
-
 	protected:
 
 		// use this from within updateValueFromBlock() to set the value without making it authoritative
-		void updateValue(value_assignment_t value)
+		void updateValue(const value_t& value)
 		{
 			mValue = value;
 		}
diff --git a/indra/llcommon/llinstancetracker.h b/indra/llcommon/llinstancetracker.h
index 403df08990..1eab270e3c 100644
--- a/indra/llcommon/llinstancetracker.h
+++ b/indra/llcommon/llinstancetracker.h
@@ -43,7 +43,7 @@
  * semantics: one instance per process, rather than one instance per module as
  * sometimes happens with data simply declared static.
  */
-class LL_COMMON_API LLInstanceTrackerBase : public boost::noncopyable
+class LL_COMMON_API LLInstanceTrackerBase
 {
 protected:
 	/// Get a process-unique void* pointer slot for the specified type_info
@@ -210,6 +210,9 @@ protected:
 	virtual const KEY& getKey() const { return mInstanceKey; }
 
 private:
+	LLInstanceTracker( const LLInstanceTracker& );
+	const LLInstanceTracker& operator=( const LLInstanceTracker& );
+
 	void add_(KEY key) 
 	{ 
 		mInstanceKey = key; 
diff --git a/indra/llcommon/llrefcount.h b/indra/llcommon/llrefcount.h
index 8eb5d53f3f..32ae15435a 100644
--- a/indra/llcommon/llrefcount.h
+++ b/indra/llcommon/llrefcount.h
@@ -27,6 +27,7 @@
 #define LLREFCOUNT_H
 
 #include <boost/noncopyable.hpp>
+#include <boost/intrusive_ptr.hpp>
 
 #define LL_REF_COUNT_DEBUG 0
 #if LL_REF_COUNT_DEBUG
@@ -86,4 +87,22 @@ private:
 #endif
 };
 
+/**
+ * intrusive pointer support
+ * this allows you to use boost::intrusive_ptr with any LLRefCount-derived type
+ */
+namespace boost
+{
+	inline void intrusive_ptr_add_ref(LLRefCount* p)
+	{
+		p->ref();
+	}
+
+	inline void intrusive_ptr_release(LLRefCount* p)
+	{
+		p->unref();
+	}
+};
+
+
 #endif
diff --git a/indra/llcommon/llregistry.h b/indra/llcommon/llregistry.h
index 853c427a13..bb0d60247e 100644
--- a/indra/llcommon/llregistry.h
+++ b/indra/llcommon/llregistry.h
@@ -307,6 +307,10 @@ public:
 		virtual ~StaticRegistrar() {}
 		StaticRegistrar(ref_const_key_t key, ref_const_value_t value)
 		{
+			if (singleton_t::instance().exists(key))
+			{
+				llerrs << "Duplicate registry entry under key \"" << key << "\"" << llendl;
+			}
 			singleton_t::instance().mStaticScope->add(key, value);
 		}
 	};
diff --git a/indra/llcommon/llsdparam.cpp b/indra/llcommon/llsdparam.cpp
index 0e29873bb0..9f4460a988 100644
--- a/indra/llcommon/llsdparam.cpp
+++ b/indra/llcommon/llsdparam.cpp
@@ -223,10 +223,14 @@ LLSD& LLParamSDParserUtilities::getSDWriteNode(LLSD& input, LLInitParam::Parser:
 	{
 		bool new_traversal = it->second;
 
-		LLSD* child_sd = it->first.empty() ? sd_to_write : &(*sd_to_write)[it->first];
-
-		if (child_sd->isArray())
+		LLSD* child_sd;
+		if (it->first.empty())
 		{
+			child_sd = sd_to_write;
+			if (child_sd->isUndefined())
+			{
+				*child_sd = LLSD::emptyArray();
+			}
 			if (new_traversal)
 			{
 				// write to new element at end
@@ -240,22 +244,7 @@ LLSD& LLParamSDParserUtilities::getSDWriteNode(LLSD& input, LLInitParam::Parser:
 		}
 		else
 		{
-			if (new_traversal 
-				&& child_sd->isDefined() 
-				&& !child_sd->isArray())
-			{
-				// copy child contents into first element of an array
-				LLSD new_array = LLSD::emptyArray();
-				new_array.append(*child_sd);
-				// assign array to slot that previously held the single value
-				*child_sd = new_array;
-				// return next element in that array
-				sd_to_write = &((*child_sd)[1]);
-			}
-			else
-			{
-				sd_to_write = child_sd;
-			}
+			sd_to_write = &(*sd_to_write)[it->first];
 		}
 		it->second = false;
 	}
@@ -283,8 +272,9 @@ void LLParamSDParserUtilities::readSDValues(read_sd_cb_t cb, const LLSD& sd, LLI
 			it != sd.endArray();
 			++it)
 		{
-			stack.back().second = true;
+			stack.push_back(make_pair(std::string(), true));
 			readSDValues(cb, *it, stack);
+			stack.pop_back();
 		}
 	}
 	else if (sd.isUndefined())
@@ -313,8 +303,14 @@ namespace LLInitParam
 {
 	// LLSD specialization
 	// block param interface
-	bool ParamValue<LLSD, TypeValues<LLSD>, false>::deserializeBlock(Parser& p, Parser::name_stack_range_t name_stack, bool new_name)
+	bool ParamValue<LLSD, NOT_BLOCK>::deserializeBlock(Parser& p, Parser::name_stack_range_t& name_stack, bool new_name)
 	{
+		if (name_stack.first == name_stack.second
+			&& p.readValue<LLSD>(mValue))
+		{
+			return true;
+		}
+
 		LLSD& sd = LLParamSDParserUtilities::getSDWriteNode(mValue, name_stack);
 
 		LLSD::String string;
@@ -328,15 +324,18 @@ namespace LLInitParam
 	}
 
 	//static
-	void ParamValue<LLSD, TypeValues<LLSD>, false>::serializeElement(Parser& p, const LLSD& sd, Parser::name_stack_t& name_stack)
+	void ParamValue<LLSD, NOT_BLOCK>::serializeElement(Parser& p, const LLSD& sd, Parser::name_stack_t& name_stack)
 	{
 		p.writeValue<LLSD::String>(sd.asString(), name_stack);
 	}
 
-	void ParamValue<LLSD, TypeValues<LLSD>, false>::serializeBlock(Parser& p, Parser::name_stack_t& name_stack, const BaseBlock* diff_block) const
+	void ParamValue<LLSD, NOT_BLOCK>::serializeBlock(Parser& p, Parser::name_stack_t& name_stack, const BaseBlock* diff_block) const
 	{
-		// read from LLSD value and serialize out to parser (which could be LLSD, XUI, etc)
-		Parser::name_stack_t stack;
-		LLParamSDParserUtilities::readSDValues(boost::bind(&serializeElement, boost::ref(p), _1, _2), mValue, stack);
+		// attempt to write LLSD out directly
+		if (!p.writeValue<LLSD>(mValue, name_stack))
+		{
+			// otherwise read from LLSD value and serialize out to parser (which could be LLSD, XUI, etc)
+			LLParamSDParserUtilities::readSDValues(boost::bind(&serializeElement, boost::ref(p), _1, _2), mValue, name_stack);
+		}
 	}
 }
diff --git a/indra/llcommon/llthread.h b/indra/llcommon/llthread.h
index 5c8bbca2ca..0fb89c5613 100644
--- a/indra/llcommon/llthread.h
+++ b/indra/llcommon/llthread.h
@@ -30,6 +30,7 @@
 #include "llapp.h"
 #include "llapr.h"
 #include "apr_thread_cond.h"
+#include "boost/intrusive_ptr.hpp"
 
 class LLThread;
 class LLMutex;
@@ -284,6 +285,22 @@ private:
 	S32	mRef; 
 };
 
+/**
+ * intrusive pointer support for LLThreadSafeRefCount
+ * this allows you to use boost::intrusive_ptr with any LLThreadSafeRefCount-derived type
+ */
+namespace boost
+{
+	inline void intrusive_ptr_add_ref(LLThreadSafeRefCount* p) 
+	{
+		p->ref();
+	}
+
+	inline void intrusive_ptr_release(LLThreadSafeRefCount* p) 
+	{
+		p->unref(); 
+	}
+};
 //============================================================================
 
 // Simple responder for self destructing callbacks
diff --git a/indra/llcommon/stdenums.h b/indra/llcommon/stdenums.h
index 40b3364b36..efcbe76795 100644
--- a/indra/llcommon/stdenums.h
+++ b/indra/llcommon/stdenums.h
@@ -51,7 +51,8 @@ enum EDragAndDropType
 	DAD_LINK			= 14,
 	DAD_MESH            = 15,
 	DAD_WIDGET          = 16,
-	DAD_COUNT           = 17,   // number of types in this enum
+	DAD_PERSON          = 17,
+	DAD_COUNT           = 18,   // number of types in this enum
 };
 
 // Reasons for drags to be denied.
diff --git a/indra/llinventory/llinventory.cpp b/indra/llinventory/llinventory.cpp
index fbf23bc3f0..a80ae73dca 100644
--- a/indra/llinventory/llinventory.cpp
+++ b/indra/llinventory/llinventory.cpp
@@ -75,13 +75,15 @@ LLInventoryObject::LLInventoryObject(const LLUUID& uuid,
 	mUUID(uuid),
 	mParentUUID(parent_uuid),
 	mType(type),
-	mName(name)
+	mName(name),
+	mCreationDate(0)
 {
 	correctInventoryName(mName);
 }
 
 LLInventoryObject::LLInventoryObject() :
-	mType(LLAssetType::AT_NONE)
+	mType(LLAssetType::AT_NONE),
+	mCreationDate(0)
 {
 }
 
@@ -275,6 +277,18 @@ void LLInventoryObject::correctInventoryName(std::string& name)
 	LLStringUtil::truncate(name, DB_INV_ITEM_NAME_STR_LEN);
 }
 
+time_t LLInventoryObject::getCreationDate() const
+{
+	return mCreationDate;
+}
+
+void LLInventoryObject::setCreationDate(time_t creation_date_utc)
+{
+	mCreationDate = creation_date_utc;
+}
+
+
+
 
 ///----------------------------------------------------------------------------
 /// Class LLInventoryItem
@@ -297,9 +311,10 @@ LLInventoryItem::LLInventoryItem(const LLUUID& uuid,
 	mDescription(desc),
 	mSaleInfo(sale_info),
 	mInventoryType(inv_type),
-	mFlags(flags),
-	mCreationDate(creation_date_utc)
+	mFlags(flags)
 {
+	mCreationDate = creation_date_utc;
+
 	LLStringUtil::replaceNonstandardASCII(mDescription, ' ');
 	LLStringUtil::replaceChar(mDescription, '|', ' ');
 	mPermissions.initMasks(inv_type);
@@ -312,9 +327,9 @@ LLInventoryItem::LLInventoryItem() :
 	mDescription(),
 	mSaleInfo(),
 	mInventoryType(LLInventoryType::IT_NONE),
-	mFlags(0),
-	mCreationDate(0)
+	mFlags(0)
 {
+	mCreationDate = 0;
 }
 
 LLInventoryItem::LLInventoryItem(const LLInventoryItem* other) :
@@ -379,11 +394,6 @@ const std::string& LLInventoryItem::getDescription() const
 	return mDescription;
 }
 
-time_t LLInventoryItem::getCreationDate() const
-{
-	return mCreationDate;
-}
-
 U32 LLInventoryItem::getCRC32() const
 {
 	// *FIX: Not a real crc - more of a checksum.
@@ -440,11 +450,6 @@ void LLInventoryItem::setFlags(U32 flags)
 	mFlags = flags;
 }
 
-void LLInventoryItem::setCreationDate(time_t creation_date_utc)
-{
-	mCreationDate = creation_date_utc;
-}
-
 // Currently only used in the Viewer to handle calling cards
 // where the creator is actually used to store the target.
 void LLInventoryItem::setCreator(const LLUUID& creator)
@@ -506,6 +511,12 @@ U32 LLInventoryItem::getFlags() const
 	return mFlags;
 }
 
+time_t LLInventoryItem::getCreationDate() const
+{
+	return mCreationDate;
+}
+
+
 // virtual
 void LLInventoryItem::packMessage(LLMessageSystem* msg) const
 {
diff --git a/indra/llinventory/llinventory.h b/indra/llinventory/llinventory.h
index a5cfe59bda..dc9a09e9d6 100644
--- a/indra/llinventory/llinventory.h
+++ b/indra/llinventory/llinventory.h
@@ -75,6 +75,7 @@ public:
 	virtual LLAssetType::EType getType() const;
 	LLAssetType::EType getActualType() const; // bypasses indirection for linked items
 	BOOL getIsLinkType() const;
+	virtual time_t getCreationDate() const;
 	
 	//--------------------------------------------------------------------
 	// Mutators
@@ -85,6 +86,7 @@ public:
 	virtual void rename(const std::string& new_name);
 	void setParent(const LLUUID& new_parent);
 	void setType(LLAssetType::EType type);
+	virtual void setCreationDate(time_t creation_date_utc); // only stored for items
 
 private:
 	// in place correction for inventory name string
@@ -113,6 +115,7 @@ protected:
 	LLUUID mParentUUID; // Parent category.  Root categories have LLUUID::NULL.
 	LLAssetType::EType mType;
 	std::string mName;
+	time_t mCreationDate; // seconds from 1/1/1970, UTC
 };
 
 //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -178,7 +181,6 @@ public:
 	void setPermissions(const LLPermissions& perm);
 	void setInventoryType(LLInventoryType::EType inv_type);
 	void setFlags(U32 flags);
-	void setCreationDate(time_t creation_date_utc);
 	void setCreator(const LLUUID& creator); // only used for calling cards
 
 	// Check for changes in permissions masks and sale info
@@ -224,7 +226,6 @@ protected:
 	LLSaleInfo mSaleInfo;
 	LLInventoryType::EType mInventoryType;
 	U32 mFlags;
-	time_t mCreationDate; // seconds from 1/1/1970, UTC
 };
 
 //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
diff --git a/indra/llinventory/llinventorytype.cpp b/indra/llinventory/llinventorytype.cpp
index 8282d79b67..8807b36117 100644
--- a/indra/llinventory/llinventorytype.cpp
+++ b/indra/llinventory/llinventorytype.cpp
@@ -85,6 +85,7 @@ LLInventoryDictionary::LLInventoryDictionary()
 	addEntry(LLInventoryType::IT_GESTURE,             new InventoryEntry("gesture",   "gesture",       1, LLAssetType::AT_GESTURE)); 
 	addEntry(LLInventoryType::IT_MESH,                new InventoryEntry("mesh",      "mesh",          1, LLAssetType::AT_MESH));
 	addEntry(LLInventoryType::IT_WIDGET,              new InventoryEntry("widget",    "widget",        1, LLAssetType::AT_WIDGET));
+	addEntry(LLInventoryType::IT_PERSON,              new InventoryEntry("person",    "person",        1, LLAssetType::AT_PERSON));
 }
 
 
@@ -140,7 +141,7 @@ DEFAULT_ASSET_FOR_INV_TYPE[LLAssetType::AT_COUNT] =
 	LLInventoryType::IT_NONE,			// 42	AT_NONE
 	LLInventoryType::IT_NONE,			// 43	AT_NONE
 	LLInventoryType::IT_NONE,			// 44	AT_NONE
-	LLInventoryType::IT_NONE,			// 45	AT_NONE
+	LLInventoryType::IT_PERSON,			// 45	AT_PERSON
 	LLInventoryType::IT_NONE,			// 46	AT_NONE
 	LLInventoryType::IT_NONE,			// 47	AT_NONE
 	LLInventoryType::IT_NONE,			// 48	AT_NONE
diff --git a/indra/llinventory/llinventorytype.h b/indra/llinventory/llinventorytype.h
index 4d1e0db040..645ebab234 100644
--- a/indra/llinventory/llinventorytype.h
+++ b/indra/llinventory/llinventorytype.h
@@ -63,7 +63,8 @@ public:
 		IT_GESTURE = 20,
 		IT_MESH = 22,
 		IT_WIDGET = 23,
-		IT_COUNT = 24,
+		IT_PERSON = 24,
+		IT_COUNT = 25,
 
 		IT_NONE = -1
 	};
diff --git a/indra/llmessage/llavatarnamecache.cpp b/indra/llmessage/llavatarnamecache.cpp
index a6e2c89ba4..8f91d2a23f 100644
--- a/indra/llmessage/llavatarnamecache.cpp
+++ b/indra/llmessage/llavatarnamecache.cpp
@@ -43,26 +43,26 @@ namespace LLAvatarNameCache
 {
 	use_display_name_signal_t mUseDisplayNamesSignal;
 
-	// Manual override for display names - can disable even if the region
-	// supports it.
-	bool sUseDisplayNames = true;
-
 	// Cache starts in a paused state until we can determine if the
 	// current region supports display names.
 	bool sRunning = false;
 	
+	// Use the People API (modern) for fetching name if true. Use the old legacy protocol if false.
+	// For testing, there's a UsePeopleAPI setting that can be flipped (must restart viewer).
+	bool sUsePeopleAPI = true;
+	
 	// Base lookup URL for name service.
 	// On simulator, loaded from indra.xml
 	// On viewer, usually a simulator capability (at People API team's request)
 	// Includes the trailing slash, like "http://pdp60.lindenlab.com:8000/agents/"
 	std::string sNameLookupURL;
 
-	// accumulated agent IDs for next query against service
+	// Accumulated agent IDs for next query against service
 	typedef std::set<LLUUID> ask_queue_t;
 	ask_queue_t sAskQueue;
 
-	// agent IDs that have been requested, but with no reply
-	// maps agent ID to frame time request was made
+	// Agent IDs that have been requested, but with no reply.
+	// Maps agent ID to frame time request was made.
 	typedef std::map<LLUUID, F64> pending_queue_t;
 	pending_queue_t sPendingQueue;
 
@@ -73,21 +73,21 @@ namespace LLAvatarNameCache
 	typedef std::map<LLUUID, callback_signal_t*> signal_map_t;
 	signal_map_t sSignalMap;
 
-	// names we know about
+	// The cache at last, i.e. avatar names we know about.
 	typedef std::map<LLUUID, LLAvatarName> cache_t;
 	cache_t sCache;
 
-	// Send bulk lookup requests a few times a second at most
-	// only need per-frame timing resolution
+	// Send bulk lookup requests a few times a second at most.
+	// Only need per-frame timing resolution.
 	LLFrameTimer sRequestTimer;
 
-    /// Maximum time an unrefreshed cache entry is allowed
+    // Maximum time an unrefreshed cache entry is allowed.
     const F64 MAX_UNREFRESHED_TIME = 20.0 * 60.0;
 
-    /// Time when unrefreshed cached names were checked last
+    // Time when unrefreshed cached names were checked last.
     static F64 sLastExpireCheck;
 
-	/// Time-to-live for a temp cache entry.
+	// Time-to-live for a temp cache entry.
 	const F64 TEMP_CACHE_ENTRY_LIFETIME = 60.0;
 
 	//-----------------------------------------------------------------------
@@ -95,26 +95,21 @@ namespace LLAvatarNameCache
 	//-----------------------------------------------------------------------
 
 	// Handle name response off network.
-	// Optionally skip adding to cache, used when this is a fallback to the
-	// legacy name system.
 	void processName(const LLUUID& agent_id,
-					 const LLAvatarName& av_name,
-					 bool add_to_cache);
+					 const LLAvatarName& av_name);
 
 	void requestNamesViaCapability();
 
-	// Legacy name system callback
+	// Legacy name system callbacks
 	void legacyNameCallback(const LLUUID& agent_id,
 							const std::string& full_name,
-							bool is_group
-							);
-
+							bool is_group);
+	void legacyNameFetch(const LLUUID& agent_id,
+						 const std::string& full_name,
+						 bool is_group);
+	
 	void requestNamesViaLegacy();
 
-	// Fill in an LLAvatarName with the legacy name data
-	void buildLegacyName(const std::string& full_name,
-						 LLAvatarName* av_name);
-
 	// Do a single callback to a given slot
 	void fireSignal(const LLUUID& agent_id,
 					const callback_slot_t& slot,
@@ -209,20 +204,11 @@ public:
 			// Use expiration time from header
 			av_name.mExpires = expires;
 
-			// Some avatars don't have explicit display names set
-			if (av_name.mDisplayName.empty())
-			{
-				av_name.mDisplayName = av_name.mUsername;
-			}
-
-			LL_DEBUGS("AvNameCache") << "LLAvatarNameResponder::result for " << agent_id << " "
-									 << "user '" << av_name.mUsername << "' "
-									 << "display '" << av_name.mDisplayName << "' "
-									 << "expires in " << expires - now << " seconds"
-									 << LL_ENDL;
+			LL_DEBUGS("AvNameCache") << "LLAvatarNameResponder::result for " << agent_id << LL_ENDL;
+			av_name.dump();
 			
 			// cache it and fire signals
-			LLAvatarNameCache::processName(agent_id, av_name, true);
+			LLAvatarNameCache::processName(agent_id, av_name);
 		}
 
 		// Same logic as error response case
@@ -279,40 +265,34 @@ void LLAvatarNameCache::handleAgentError(const LLUUID& agent_id)
         LL_WARNS("AvNameCache") << "LLAvatarNameCache get legacy for agent "
 								<< agent_id << LL_ENDL;
         gCacheName->get(agent_id, false,  // legacy compatibility
-                        boost::bind(&LLAvatarNameCache::legacyNameCallback,
-                                    _1, _2, _3));
+                        boost::bind(&LLAvatarNameCache::legacyNameFetch, _1, _2, _3));
     }
 	else
     {
-        // we have a chached (but probably expired) entry - since that would have
+        // we have a cached (but probably expired) entry - since that would have
         // been returned by the get method, there is no need to signal anyone
 
         // Clear this agent from the pending list
         LLAvatarNameCache::sPendingQueue.erase(agent_id);
 
         LLAvatarName& av_name = existing->second;
-        LL_DEBUGS("AvNameCache") << "LLAvatarNameCache use cache for agent "
-                                 << agent_id 
-                                 << "user '" << av_name.mUsername << "' "
-                                 << "display '" << av_name.mDisplayName << "' "
-                                 << "expires in " << av_name.mExpires - LLFrameTimer::getTotalSeconds() << " seconds"
-                                 << LL_ENDL;
-		av_name.mExpires = LLFrameTimer::getTotalSeconds() + TEMP_CACHE_ENTRY_LIFETIME; // reset expiry time so we don't constantly rerequest.
+        LL_DEBUGS("AvNameCache") << "LLAvatarNameCache use cache for agent " << agent_id << LL_ENDL;
+		av_name.dump();
+
+		 // Reset expiry time so we don't constantly rerequest.
+		av_name.setExpires(TEMP_CACHE_ENTRY_LIFETIME);
     }
 }
 
-void LLAvatarNameCache::processName(const LLUUID& agent_id,
-									const LLAvatarName& av_name,
-									bool add_to_cache)
+void LLAvatarNameCache::processName(const LLUUID& agent_id, const LLAvatarName& av_name)
 {
-	if (add_to_cache)
-	{
-		sCache[agent_id] = av_name;
-	}
+	// Add to the cache
+	sCache[agent_id] = av_name;
 
+	// Suppress request from the queue
 	sPendingQueue.erase(agent_id);
 
-	// signal everyone waiting on this name
+	// Signal everyone waiting on this name
 	signal_map_t::iterator sig_it =	sSignalMap.find(agent_id);
 	if (sig_it != sSignalMap.end())
 	{
@@ -389,22 +369,33 @@ void LLAvatarNameCache::legacyNameCallback(const LLUUID& agent_id,
 										   const std::string& full_name,
 										   bool is_group)
 {
-	// Construct a dummy record for this name.  By convention, SLID is blank
-	// Never expires, but not written to disk, so lasts until end of session.
-	LLAvatarName av_name;
-	LL_DEBUGS("AvNameCache") << "LLAvatarNameCache::legacyNameCallback "
-							 << "agent " << agent_id << " "
+	// Put the received data in the cache
+	legacyNameFetch(agent_id, full_name, is_group);
+	
+	// Retrieve the name and set it to never (or almost never...) expire: when we are using the legacy
+	// protocol, we do not get an expiration date for each name and there's no reason to ask the 
+	// data again and again so we set the expiration time to the largest value admissible.
+	std::map<LLUUID,LLAvatarName>::iterator av_record = sCache.find(agent_id);
+	LLAvatarName& av_name = av_record->second;
+	av_name.setExpires(MAX_UNREFRESHED_TIME);
+}
+
+void LLAvatarNameCache::legacyNameFetch(const LLUUID& agent_id,
+										const std::string& full_name,
+										bool is_group)
+{
+	LL_DEBUGS("AvNameCache") << "LLAvatarNameCache::legacyNameFetch "
+	                         << "agent " << agent_id << " "
 							 << "full name '" << full_name << "'"
-							 << ( is_group ? " [group]" : "" )
-							 << LL_ENDL;
-	buildLegacyName(full_name, &av_name);
-
-	// Add to cache, because if we don't we'll keep rerequesting the
-	// same record forever.  buildLegacyName should always guarantee
-	// that these records expire reasonably soon
-	// (in TEMP_CACHE_ENTRY_LIFETIME seconds), so if the failure was due
-	// to something temporary we will eventually request and get the right data.
-	processName(agent_id, av_name, true);
+	                         << ( is_group ? " [group]" : "" )
+	                         << LL_ENDL;
+	
+	// Construct an av_name record from this name.
+	LLAvatarName av_name;
+	av_name.fromString(full_name);
+	
+	// Add to cache: we're still using the new cache even if we're using the old (legacy) protocol.
+	processName(agent_id, av_name);
 }
 
 void LLAvatarNameCache::requestNamesViaLegacy()
@@ -426,18 +417,19 @@ void LLAvatarNameCache::requestNamesViaLegacy()
 		LL_DEBUGS("AvNameCache") << "LLAvatarNameCache::requestNamesViaLegacy agent " << agent_id << LL_ENDL;
 
 		gCacheName->get(agent_id, false,  // legacy compatibility
-			boost::bind(&LLAvatarNameCache::legacyNameCallback,
-				_1, _2, _3));
+			boost::bind(&LLAvatarNameCache::legacyNameCallback, _1, _2, _3));
 	}
 }
 
-void LLAvatarNameCache::initClass(bool running)
+void LLAvatarNameCache::initClass(bool running, bool usePeopleAPI)
 {
 	sRunning = running;
+	sUsePeopleAPI = usePeopleAPI;
 }
 
 void LLAvatarNameCache::cleanupClass()
 {
+	sCache.clear();
 }
 
 void LLAvatarNameCache::importFile(std::istream& istr)
@@ -476,7 +468,7 @@ void LLAvatarNameCache::exportFile(std::ostream& ostr)
 		const LLUUID& agent_id = it->first;
 		const LLAvatarName& av_name = it->second;
 		// Do not write temporary or expired entries to the stored cache
-		if (!av_name.mIsTemporaryName && av_name.mExpires >= max_unrefreshed)
+		if (av_name.isValidName(max_unrefreshed))
 		{
 			// key must be a string
 			agents[agent_id.asString()] = av_name.asLLSD();
@@ -497,6 +489,11 @@ bool LLAvatarNameCache::hasNameLookupURL()
 	return !sNameLookupURL.empty();
 }
 
+bool LLAvatarNameCache::usePeopleAPI()
+{
+	return hasNameLookupURL() && sUsePeopleAPI;
+}
+
 void LLAvatarNameCache::idle()
 {
 	// By convention, start running at first idle() call
@@ -513,13 +510,12 @@ void LLAvatarNameCache::idle()
 
 	if (!sAskQueue.empty())
 	{
-        if (useDisplayNames())
+        if (usePeopleAPI())
         {
             requestNamesViaCapability();
         }
         else
         {
-            // ...fall back to legacy name cache system
             requestNamesViaLegacy();
         }
 	}
@@ -564,7 +560,7 @@ void LLAvatarNameCache::eraseUnrefreshed()
             if (av_name.mExpires < max_unrefreshed)
             {
                 LL_DEBUGS("AvNameCache") << it->first 
-                                         << " user '" << av_name.mUsername << "' "
+                                         << " user '" << av_name.getAccountName() << "' "
                                          << "expired " << now - av_name.mExpires << " secs ago"
                                          << LL_ENDL;
                 sCache.erase(it++);
@@ -578,20 +574,6 @@ void LLAvatarNameCache::eraseUnrefreshed()
 	}
 }
 
-void LLAvatarNameCache::buildLegacyName(const std::string& full_name,
-										LLAvatarName* av_name)
-{
-	llassert(av_name);
-	av_name->mUsername = "";
-	av_name->mDisplayName = full_name;
-	av_name->mIsDisplayNameDefault = true;
-	av_name->mIsTemporaryName = true;
-	av_name->mExpires = LLFrameTimer::getTotalSeconds() + TEMP_CACHE_ENTRY_LIFETIME;
-	LL_DEBUGS("AvNameCache") << "LLAvatarNameCache::buildLegacyName "
-							 << full_name
-							 << LL_ENDL;
-}
-
 // fills in av_name if it has it in the cache, even if expired (can check expiry time)
 // returns bool specifying  if av_name was filled, false otherwise
 bool LLAvatarNameCache::get(const LLUUID& agent_id, LLAvatarName *av_name)
@@ -599,38 +581,24 @@ bool LLAvatarNameCache::get(const LLUUID& agent_id, LLAvatarName *av_name)
 	if (sRunning)
 	{
 		// ...only do immediate lookups when cache is running
-		if (useDisplayNames())
+		std::map<LLUUID,LLAvatarName>::iterator it = sCache.find(agent_id);
+		if (it != sCache.end())
 		{
-			// ...use display names cache
-			std::map<LLUUID,LLAvatarName>::iterator it = sCache.find(agent_id);
-			if (it != sCache.end())
-			{
-				*av_name = it->second;
+			*av_name = it->second;
 
-				// re-request name if entry is expired
-				if (av_name->mExpires < LLFrameTimer::getTotalSeconds())
+			// re-request name if entry is expired
+			if (av_name->mExpires < LLFrameTimer::getTotalSeconds())
+			{
+				if (!isRequestPending(agent_id))
 				{
-					if (!isRequestPending(agent_id))
-					{
-						LL_DEBUGS("AvNameCache") << "LLAvatarNameCache::get "
-												 << "refresh agent " << agent_id
-												 << LL_ENDL;
-						sAskQueue.insert(agent_id);
-					}
+					LL_DEBUGS("AvNameCache") << "LLAvatarNameCache::get "
+											 << "refresh agent " << agent_id
+											 << LL_ENDL;
+					sAskQueue.insert(agent_id);
 				}
-				
-				return true;
-			}
-		}
-		else
-		{
-			// ...use legacy names cache
-			std::string full_name;
-			if (gCacheName->getFullName(agent_id, full_name))
-			{
-				buildLegacyName(full_name, av_name);
-				return true;
 			}
+				
+			return true;
 		}
 	}
 
@@ -661,30 +629,14 @@ LLAvatarNameCache::callback_connection_t LLAvatarNameCache::get(const LLUUID& ag
 	if (sRunning)
 	{
 		// ...only do immediate lookups when cache is running
-		if (useDisplayNames())
+		std::map<LLUUID,LLAvatarName>::iterator it = sCache.find(agent_id);
+		if (it != sCache.end())
 		{
-			// ...use new cache
-			std::map<LLUUID,LLAvatarName>::iterator it = sCache.find(agent_id);
-			if (it != sCache.end())
-			{
-				const LLAvatarName& av_name = it->second;
-				
-				if (av_name.mExpires > LLFrameTimer::getTotalSeconds())
-				{
-					// ...name already exists in cache, fire callback now
-					fireSignal(agent_id, slot, av_name);
-					return connection;
-				}
-			}
-		}
-		else
-		{
-			// ...use old name system
-			std::string full_name;
-			if (gCacheName->getFullName(agent_id, full_name))
+			const LLAvatarName& av_name = it->second;
+			
+			if (av_name.mExpires > LLFrameTimer::getTotalSeconds())
 			{
-				LLAvatarName av_name;
-				buildLegacyName(full_name, &av_name);
+				// ...name already exists in cache, fire callback now
 				fireSignal(agent_id, slot, av_name);
 				return connection;
 			}
@@ -719,22 +671,13 @@ LLAvatarNameCache::callback_connection_t LLAvatarNameCache::get(const LLUUID& ag
 
 void LLAvatarNameCache::setUseDisplayNames(bool use)
 {
-	if (use != sUseDisplayNames)
+	if (use != LLAvatarName::useDisplayNames())
 	{
-		sUseDisplayNames = use;
-		// flush our cache
-		sCache.clear();
-
+		LLAvatarName::setUseDisplayNames(use);
 		mUseDisplayNamesSignal();
 	}
 }
 
-bool LLAvatarNameCache::useDisplayNames()
-{
-	// Must be both manually set on and able to look up names.
-	return sUseDisplayNames && !sNameLookupURL.empty();
-}
-
 void LLAvatarNameCache::erase(const LLUUID& agent_id)
 {
 	sCache.erase(agent_id);
diff --git a/indra/llmessage/llavatarnamecache.h b/indra/llmessage/llavatarnamecache.h
index 79f170f7c8..2a8eb46187 100644
--- a/indra/llmessage/llavatarnamecache.h
+++ b/indra/llmessage/llavatarnamecache.h
@@ -37,33 +37,33 @@ class LLUUID;
 
 namespace LLAvatarNameCache
 {
-		
 	typedef boost::signals2::signal<void (void)> use_display_name_signal_t;
 
 	// Until the cache is set running, immediate lookups will fail and
 	// async lookups will be queued.  This allows us to block requests
 	// until we know if the first region supports display names.
-	void initClass(bool running);
+	void initClass(bool running, bool usePeopleAPI);
 	void cleanupClass();
 
+	// Import/export the name cache to file.
 	void importFile(std::istream& istr);
 	void exportFile(std::ostream& ostr);
 
-	// On the viewer, usually a simulator capabilitity
-	// If empty, name cache will fall back to using legacy name
-	// lookup system
+	// On the viewer, usually a simulator capabilitity.
+	// If empty, name cache will fall back to using legacy name lookup system.
 	void setNameLookupURL(const std::string& name_lookup_url);
 
-	// Do we have a valid lookup URL, hence are we trying to use the
-	// new display name lookup system?
+	// Do we have a valid lookup URL, i.e. are we trying to use the
+	// more recent display name lookup system?
 	bool hasNameLookupURL();
+	bool usePeopleAPI();
 	
 	// Periodically makes a batch request for display names not already in
-	// cache.  Call once per frame.
+	// cache. Called once per frame.
 	void idle();
 
 	// If name is in cache, returns true and fills in provided LLAvatarName
-	// otherwise returns false
+	// otherwise returns false.
 	bool get(const LLUUID& agent_id, LLAvatarName *av_name);
 
 	// Callback types for get() below
@@ -73,21 +73,19 @@ namespace LLAvatarNameCache
 	typedef callback_signal_t::slot_type callback_slot_t;
 	typedef boost::signals2::connection callback_connection_t;
 
-	// Fetches name information and calls callback.
-	// If name information is in cache, callback will be called immediately.
+	// Fetches name information and calls callbacks.
+	// If name information is in cache, callbacks will be called immediately.
 	callback_connection_t get(const LLUUID& agent_id, callback_slot_t slot);
 
-	// Allow display names to be explicitly disabled for testing.
+	// Set display name: flips the switch and triggers the callbacks.
 	void setUseDisplayNames(bool use);
-	bool useDisplayNames();
-
+	
+	void insert(const LLUUID& agent_id, const LLAvatarName& av_name);
 	void erase(const LLUUID& agent_id);
 
-    /// Provide some fallback for agents that return errors
+    /// Provide some fallback for agents that return errors.
 	void handleAgentError(const LLUUID& agent_id);
 
-	void insert(const LLUUID& agent_id, const LLAvatarName& av_name);
-
 	// Compute name expiration time from HTTP Cache-Control header,
 	// or return default value, in seconds from epoch.
 	F64 nameExpirationFromHeaders(LLSD headers);
diff --git a/indra/llmessage/llcachename.cpp b/indra/llmessage/llcachename.cpp
index 479efabb5f..da07c9ae42 100644
--- a/indra/llmessage/llcachename.cpp
+++ b/indra/llmessage/llcachename.cpp
@@ -524,6 +524,7 @@ std::string LLCacheName::cleanFullName(const std::string& full_name)
 }
 
 //static 
+// Transform hard-coded name provided by server to a more legible username
 std::string LLCacheName::buildUsername(const std::string& full_name)
 {
 	// rare, but handle hard-coded error names returned from server
@@ -549,8 +550,9 @@ std::string LLCacheName::buildUsername(const std::string& full_name)
 		return username;
 	}
 
-	// if the input wasn't a correctly formatted legacy name just return it unchanged
-	return full_name;
+	// if the input wasn't a correctly formatted legacy name, just return it  
+	// cleaned up from a potential terminal "Resident"
+	return cleanFullName(full_name);
 }
 
 //static 
diff --git a/indra/llmessage/llcachename.h b/indra/llmessage/llcachename.h
index b108e37157..d238c3a247 100644
--- a/indra/llmessage/llcachename.h
+++ b/indra/llmessage/llcachename.h
@@ -40,7 +40,7 @@ typedef boost::signals2::signal<void (const LLUUID& id,
                                       bool is_group)> LLCacheNameSignal;
 typedef LLCacheNameSignal::slot_type LLCacheNameCallback;
 
-// Old callback with user data for compatability
+// Old callback with user data for compatibility
 typedef void (*old_callback_t)(const LLUUID&, const std::string&, bool, void*);
 
 // Here's the theory:
diff --git a/indra/llmessage/lldbstrings.h b/indra/llmessage/lldbstrings.h
index 9bf1b3eda4..e23d17d5b6 100644
--- a/indra/llmessage/lldbstrings.h
+++ b/indra/llmessage/lldbstrings.h
@@ -156,18 +156,6 @@ const S32 DB_USER_SKILLS_BUF_SIZE		= 255;
 const S32 DB_NV_NAME_STR_LEN			= 128;
 const S32 DB_NV_NAME_BUF_SIZE			= 129;
 
-// votes.vote_text						varchar(254)
-const S32 DB_VOTE_TEXT_STR_LEN			= 254;
-const S32 DB_VOTE_TEXT_BUF_SIZE			= 255;
-
-// vpte type text						varchar(9)
-const S32 DB_VOTE_TYPE_STR_LEN			= 9;
-const S32 DB_VOTE_TYPE_BUF_SIZE			= 10;
-
-// vote result text
-const S32 DB_VOTE_RESULT_BUF_LEN		= 8;
-const S32 DB_VOTE_RESULT_BUF_SIZE		= 9;
-
 // user_start_location.location_name	varchar(254)
 const S32 DB_START_LOCATION_STR_LEN		= 254;
 const S32 DB_START_LOCATION_BUF_SIZE	= 255;
diff --git a/indra/llmessage/llinstantmessage.cpp b/indra/llmessage/llinstantmessage.cpp
index d68e0c423e..b0275c161b 100644
--- a/indra/llmessage/llinstantmessage.cpp
+++ b/indra/llmessage/llinstantmessage.cpp
@@ -43,14 +43,6 @@
 const U8 IM_ONLINE = 0;
 const U8 IM_OFFLINE = 1;
 
-const S32 VOTE_YES = 1;
-const S32 VOTE_NO = 0;
-const S32 VOTE_ABSTAIN = -1;
-
-const S32 VOTE_MAJORITY = 0;
-const S32 VOTE_SUPER_MAJORITY = 1;
-const S32 VOTE_UNANIMOUS = 2;
-
 const char EMPTY_BINARY_BUCKET[] = "";
 const S32 EMPTY_BINARY_BUCKET_SIZE = 1;
 const U32 NO_TIMESTAMP = 0;
@@ -69,7 +61,6 @@ LLIMInfo::LLIMInfo() :
 	mViewerThinksToIsOnline(false),
 	mIMType(IM_NOTHING_SPECIAL),
 	mTimeStamp(0),
-	mSource(IM_FROM_SIM),
 	mTTL(IM_TTL)
 {
 }
@@ -88,7 +79,6 @@ LLIMInfo::LLIMInfo(
 	LLSD data,
 	U8 offline,
 	U32 timestamp,
-	EIMSource source,
 	S32 ttl) :
 	mFromID(from_id),
 	mFromGroup(from_group),
@@ -104,14 +94,12 @@ LLIMInfo::LLIMInfo(
 	mName(name),
 	mMessage(message),
 	mData(data),
-	mSource(source),
 	mTTL(ttl)
 {
 }
 
-LLIMInfo::LLIMInfo(LLMessageSystem* msg, EIMSource source, S32 ttl) :
+LLIMInfo::LLIMInfo(LLMessageSystem* msg, S32 ttl) :
 	mViewerThinksToIsOnline(false),
-	mSource(source),
 	mTTL(ttl)
 {
 	unpackMessageBlock(msg);
@@ -326,7 +314,6 @@ LLSD im_info_to_llsd(LLPointer<LLIMInfo> im_info)
 	param_message["region_id"] = im_info->mRegionID;
 	param_message["position"] = ll_sd_from_vector3(im_info->mPosition);
 	param_message["data"] = im_info->mData;
-	param_message["source"]= im_info->mSource;
 	param_message["ttl"] = im_info->mTTL;
 
 	LLSD param_agent;
@@ -359,7 +346,6 @@ LLPointer<LLIMInfo> llsd_to_im_info(const LLSD& im_info_sd)
 		param_message["data"],
 		(U8) param_message["offline"].asInteger(),
 		(U32) param_message["timestamp"].asInteger(),
-		(EIMSource)param_message["source"].asInteger(),
 		param_message["ttl"].asInteger());
 
 	return im_info;
@@ -381,7 +367,6 @@ LLPointer<LLIMInfo> LLIMInfo::clone()
 			mData,
 			mOffline,
 			mTimeStamp,
-			mSource,
 			mTTL);
 }
 
diff --git a/indra/llmessage/llinstantmessage.h b/indra/llmessage/llinstantmessage.h
index e0dae376b4..db4a38ea9e 100644
--- a/indra/llmessage/llinstantmessage.h
+++ b/indra/llmessage/llinstantmessage.h
@@ -115,8 +115,8 @@ enum EInstantMessage
 	// viewer, since you can't IM an object yet.
 	IM_FROM_TASK = 19,
 
-	// sent an IM to a busy user, this is the auto response
-	IM_BUSY_AUTO_RESPONSE = 20,
+	// sent an IM to a do not disturb user, this is the auto response
+	IM_DO_NOT_DISTURB_AUTO_RESPONSE = 20,
 
 	// Shows the message in the console and chat history
 	IM_CONSOLE_AND_CHAT_HISTORY = 21,
@@ -164,57 +164,9 @@ enum EInstantMessage
 };
 
 
-// Hooks for quickly hacking in experimental admin debug messages 
-// without needing to recompile the viewer
-// *NOTE: This functionality has been moved to be a string based
-// operation so that we don't even have to do a full recompile. This
-// enumeration will be phased out soon.
-enum EGodlikeRequest
-{
-	GOD_WANTS_NOTHING,
-
-	// for requesting physics information about an object
-	GOD_WANTS_PHYSICS_INFO,
-	
-	// two unused requests that can be appropriated for debug 
-	// purposes (no viewer recompile necessary)
-	GOD_WANTS_FOO,
-	GOD_WANTS_BAR,
-
-	// to dump simulator terrain data to terrain.raw file
-	GOD_WANTS_TERRAIN_SAVE,
-	// to load simulator terrain data from terrain.raw file
-	GOD_WANTS_TERRAIN_LOAD,
-
-	GOD_WANTS_TOGGLE_AVATAR_GEOMETRY,	// HACK for testing new avatar geom
-
-	// real-time telehub operations
-	GOD_WANTS_TELEHUB_INFO,
-	GOD_WANTS_CONNECT_TELEHUB,
-	GOD_WANTS_DELETE_TELEHUB,
-	GOD_WANTS_ADD_TELEHUB_SPAWNPOINT,
-	GOD_WANTS_REMOVE_TELEHUB_SPAWNPOINT,
-
-};
-
-enum EIMSource
-{
-	IM_FROM_VIEWER,
-	IM_FROM_DATASERVER,
-	IM_FROM_SIM
-};
-
 extern const U8 IM_ONLINE;
 extern const U8 IM_OFFLINE;
 
-extern const S32 VOTE_YES;
-extern const S32 VOTE_NO;
-extern const S32 VOTE_ABSTAIN;
-
-extern const S32 VOTE_MAJORITY;
-extern const S32 VOTE_SUPER_MAJORITY;
-extern const S32 VOTE_UNANIMOUS;
-
 extern const char EMPTY_BINARY_BUCKET[];
 extern const S32 EMPTY_BINARY_BUCKET_SIZE;
 
@@ -234,7 +186,6 @@ protected:
 
 public:
 	LLIMInfo(LLMessageSystem* msg, 
-			EIMSource source = IM_FROM_SIM, 
 			S32 ttl = IM_TTL);
 
 	LLIMInfo(
@@ -251,7 +202,6 @@ public:
 		LLSD data,
 		U8 offline,
 		U32 timestamp,
-		EIMSource source,
 		S32 ttl = IM_TTL);
 
 	void packInstantMessage(LLMessageSystem* msg) const;
@@ -274,7 +224,6 @@ public:
 	std::string mMessage;
 	LLSD mData;
 
-	EIMSource mSource;
 	S32 mTTL;
 };
 
diff --git a/indra/llui/CMakeLists.txt b/indra/llui/CMakeLists.txt
index d92b6aa1c0..9c961d67d6 100644
--- a/indra/llui/CMakeLists.txt
+++ b/indra/llui/CMakeLists.txt
@@ -33,6 +33,7 @@ set(llui_SOURCE_FILES
     llbadgeholder.cpp
     llbadgeowner.cpp
     llbutton.cpp
+    llchatentry.cpp
     llcheckboxctrl.cpp
     llclipboard.cpp
     llcombobox.cpp
@@ -46,12 +47,16 @@ set(llui_SOURCE_FILES
     lleditmenuhandler.cpp
     llf32uictrl.cpp
     llfiltereditor.cpp
+    llflashtimer.cpp
     llflatlistview.cpp
     llfloater.cpp
     llfloaterreg.cpp
     llfloaterreglistener.cpp
     llflyoutbutton.cpp 
     llfocusmgr.cpp
+    llfolderview.cpp
+    llfolderviewitem.cpp
+    llfolderviewmodel.cpp
     llfunctorregistry.cpp
     lliconctrl.cpp
     llkeywords.cpp
@@ -66,7 +71,6 @@ set(llui_SOURCE_FILES
     llmultislider.cpp
     llmultisliderctrl.cpp
     llnotifications.cpp
-    llnotificationslistener.cpp
     llnotificationsutil.cpp
     llpanel.cpp
     llprogressbar.cpp
@@ -135,6 +139,7 @@ set(llui_HEADER_FILES
     llbadgeowner.h
     llbutton.h
     llcallbackmap.h
+    llchatentry.h
     llcheckboxctrl.h
     llclipboard.h
     llcombobox.h
@@ -148,12 +153,16 @@ set(llui_HEADER_FILES
     lleditmenuhandler.h
     llf32uictrl.h
     llfiltereditor.h 
+    llflashtimer.h
     llflatlistview.h
     llfloater.h
     llfloaterreg.h
     llfloaterreglistener.h
     llflyoutbutton.h 
     llfocusmgr.h
+    llfolderview.h
+    llfolderviewitem.h
+    llfolderviewmodel.h
     llfunctorregistry.h
     llhelp.h
     lliconctrl.h
@@ -171,7 +180,6 @@ set(llui_HEADER_FILES
     llmultislider.h
     llnotificationptr.h
     llnotifications.h
-    llnotificationslistener.h
     llnotificationsutil.h
     llnotificationtemplate.h
     llnotificationvisibilityrule.h
diff --git a/indra/llui/llaccordionctrltab.cpp b/indra/llui/llaccordionctrltab.cpp
index c025cd7939..43462bd244 100644
--- a/indra/llui/llaccordionctrltab.cpp
+++ b/indra/llui/llaccordionctrltab.cpp
@@ -184,7 +184,7 @@ void LLAccordionCtrlTab::LLAccordionCtrlTabHeader::setTitleFontStyle(std::string
 	if (mHeaderTextbox)
 	{
 		std::string text = mHeaderTextbox->getText();
-		mStyleParams.font(mHeaderTextbox->getDefaultFont());
+		mStyleParams.font(mHeaderTextbox->getFont());
 		mStyleParams.font.style(style);
 		mHeaderTextbox->setText(text, mStyleParams);
 	}
diff --git a/indra/llui/llbutton.cpp b/indra/llui/llbutton.cpp
index 705fe16559..a8149a9a1d 100644
--- a/indra/llui/llbutton.cpp
+++ b/indra/llui/llbutton.cpp
@@ -105,6 +105,7 @@ LLButton::Params::Params()
 	badge("badge"),
 	handle_right_mouse("handle_right_mouse"),
 	held_down_delay("held_down_delay"),
+	button_flash_enable("button_flash_enable", false),
 	button_flash_count("button_flash_count"),
 	button_flash_rate("button_flash_rate")
 {
@@ -171,9 +172,24 @@ LLButton::LLButton(const LLButton::Params& p)
 	mHeldDownSignal(NULL),
 	mUseDrawContextAlpha(p.use_draw_context_alpha),
 	mHandleRightMouse(p.handle_right_mouse),
-	mButtonFlashCount(p.button_flash_count),
-	mButtonFlashRate(p.button_flash_rate)
+	mFlashingTimer(NULL)
 {
+	if (p.button_flash_enable)
+	{
+		// If optional parameter "p.button_flash_count" is not provided, LLFlashTimer will be
+		// used instead it a "default" value from gSavedSettings.getS32("FlashCount")).
+		// Likewise, missing "p.button_flash_rate" is replaced by gSavedSettings.getF32("FlashPeriod").
+		// Note: flashing should be allowed in settings.xml (boolean key "EnableButtonFlashing").
+		S32 flash_count = p.button_flash_count.isProvided()? p.button_flash_count : 0;
+		F32 flash_rate = p.button_flash_rate.isProvided()? p.button_flash_rate : 0.0;
+		mFlashingTimer = new LLFlashTimer ((LLFlashTimer::callback_t)NULL, flash_count, flash_rate);
+	}
+	else
+	{
+		mButtonFlashCount = p.button_flash_count;
+		mButtonFlashRate = p.button_flash_rate;
+	}
+
 	static LLUICachedControl<S32> llbutton_orig_h_pad ("UIButtonOrigHPad", 0);
 	static Params default_params(LLUICtrlFactory::getDefaultParams<LLButton>());
 
@@ -267,6 +283,11 @@ LLButton::~LLButton()
 	delete mMouseDownSignal;
 	delete mMouseUpSignal;
 	delete mHeldDownSignal;
+
+	if (mFlashingTimer)
+	{
+		mFlashingTimer->unset();
+	}
 }
 
 // HACK: Committing a button is the same as instantly clicking it.
@@ -591,22 +612,6 @@ void LLButton::draw()
 {
 	static LLCachedControl<bool> sEnableButtonFlashing(*LLUI::sSettingGroups["config"], "EnableButtonFlashing", true);
 	F32 alpha = mUseDrawContextAlpha ? getDrawContext().mAlpha : getCurrentTransparency();
-	bool flash = FALSE;
-
-	if( mFlashing)
-	{
-		if ( sEnableButtonFlashing)
-		{
-			F32 elapsed = mFlashingTimer.getElapsedTimeF32();
-			S32 flash_count = S32(elapsed * mButtonFlashRate * 2.f);
-			// flash on or off?
-			flash = (flash_count % 2 == 0) || flash_count > S32((F32)mButtonFlashCount * 2.f);
-		}
-		else
-		{ // otherwise just highlight button in flash color
-			flash = true;
-		}
-	}
 
 	bool pressed_by_keyboard = FALSE;
 	if (hasFocus())
@@ -631,9 +636,21 @@ void LLButton::draw()
 	bool selected = getToggleState();
 	
 	bool use_glow_effect = FALSE;
-	LLColor4 glow_color = LLColor4::white;
+	LLColor4 highlighting_color = LLColor4::white;
+	LLColor4 glow_color;
 	LLRender::eBlendType glow_type = LLRender::BT_ADD_WITH_ALPHA;
 	LLUIImage* imagep = NULL;
+
+    //  Cancel sticking of color, if the button is pressed,
+	//  or when a flashing of the previously selected button is ended
+	if (mFlashingTimer
+		&& ((selected && !mFlashingTimer->isFlashingInProgress()) || pressed))
+	{
+		mFlashing = false;
+	}
+
+	bool flash = mFlashing && sEnableButtonFlashing;
+
 	if (pressed && mDisplayPressedState)
 	{
 		imagep = selected ? mImagePressedSelected : mImagePressed;
@@ -699,15 +716,20 @@ void LLButton::draw()
 			imagep = mImageFlash;
 		}
 		// else use usual flashing via flash_color
-		else
+		else if (mFlashingTimer)
 		{
 			LLColor4 flash_color = mFlashBgColor.get();
 			use_glow_effect = TRUE;
 			glow_type = LLRender::BT_ALPHA; // blend the glow
-			if (mNeedsHighlight) // highlighted AND flashing
-				glow_color = (glow_color*0.5f + flash_color*0.5f) % 2.0f; // average between flash and highlight colour, with sum of the opacity
-			else
+
+			if (mFlashingTimer->isCurrentlyHighlighted() || !mFlashingTimer->isFlashingInProgress())
+			{
 				glow_color = flash_color;
+			}
+			else if (mNeedsHighlight)
+			{
+                glow_color = highlighting_color;
+			}
 		}
 	}
 
@@ -756,8 +778,7 @@ void LLButton::draw()
 	if (use_glow_effect)
 	{
 		mCurGlowStrength = lerp(mCurGlowStrength,
-					mFlashing ? (flash? 1.0 : 0.0)
-					: mHoverGlowStrength,
+					mFlashing ? (mFlashingTimer->isCurrentlyHighlighted() || !mFlashingTimer->isFlashingInProgress() || mNeedsHighlight? 1.0 : 0.0) : mHoverGlowStrength,
 					LLCriticalDamp::getInterpolant(0.05f));
 	}
 	else
@@ -944,21 +965,26 @@ void LLButton::setToggleState(BOOL b)
 	{
 		setControlValue(b); // will fire LLControlVariable callbacks (if any)
 		setValue(b);        // may or may not be redundant
+		setFlashing(false);	// stop flash state whenever the selected/unselected state if reset
 		// Unselected label assignments
 		autoResize();
 	}
 }
 
-void LLButton::setFlashing( BOOL b )	
+void LLButton::setFlashing(bool b)	
 { 
-	if ((bool)b != mFlashing)
+	if (mFlashingTimer)
 	{
 		mFlashing = b; 
-		mFlashingTimer.reset();
+		(b ? mFlashingTimer->startFlashing() : mFlashingTimer->stopFlashing());
+	}
+	else if (b != mFlashing)
+	{
+		mFlashing = b; 
+		mFrameTimer.reset();
 	}
 }
 
-
 BOOL LLButton::toggleState()			
 {
     bool flipped = ! getToggleState();
diff --git a/indra/llui/llbutton.h b/indra/llui/llbutton.h
index deaa0823c6..060db59a8a 100644
--- a/indra/llui/llbutton.h
+++ b/indra/llui/llbutton.h
@@ -30,6 +30,7 @@
 #include "lluuid.h"
 #include "llbadgeowner.h"
 #include "llcontrol.h"
+#include "llflashtimer.h"
 #include "lluictrl.h"
 #include "v4color.h"
 #include "llframetimer.h"
@@ -133,6 +134,7 @@ public:
 
 		Optional<bool>				handle_right_mouse;
 
+		Optional<bool>				button_flash_enable;
 		Optional<S32>				button_flash_count;
 		Optional<F32>				button_flash_rate;
 
@@ -199,8 +201,9 @@ public:
 	void			setToggleState(BOOL b);
 
 	void			setHighlight(bool b);
-	void			setFlashing( BOOL b );
+	void			setFlashing( bool b );
 	BOOL			getFlashing() const		{ return mFlashing; }
+    LLFlashTimer*   getFlashTimer() {return mFlashingTimer;}
 
 	void			setHAlign( LLFontGL::HAlign align )		{ mHAlign = align; }
 	LLFontGL::HAlign getHAlign() const						{ return mHAlign; }
@@ -373,7 +376,8 @@ protected:
 	bool						mForcePressedState;
 	bool						mDisplayPressedState;
 
-	LLFrameTimer				mFlashingTimer;
+	LLFrameTimer				mFrameTimer;
+	LLFlashTimer *				mFlashingTimer;
 
 	bool						mHandleRightMouse;
 };
diff --git a/indra/llui/llchatentry.cpp b/indra/llui/llchatentry.cpp
new file mode 100644
index 0000000000..8e9c6555c3
--- /dev/null
+++ b/indra/llui/llchatentry.cpp
@@ -0,0 +1,228 @@
+/**
+ * @file llchatentry.cpp
+ * @brief LLChatEntry implementation
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2012, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#include "linden_common.h"
+
+#include "llchatentry.h"
+
+static LLDefaultChildRegistry::Register<LLChatEntry> r("chat_editor");
+
+LLChatEntry::Params::Params()
+:	has_history("has_history", true),
+ 	is_expandable("is_expandable", false),
+ 	expand_lines_count("expand_lines_count", 1)
+{}
+
+LLChatEntry::LLChatEntry(const Params& p)
+:	LLTextEditor(p),
+ 	mTextExpandedSignal(NULL),
+ 	mHasHistory(p.has_history),
+ 	mIsExpandable(p.is_expandable),
+ 	mExpandLinesCount(p.expand_lines_count),
+ 	mPrevLinesCount(0)
+{
+	// Initialize current history line iterator
+	mCurrentHistoryLine = mLineHistory.begin();
+
+	mAutoIndent = false;
+}
+
+LLChatEntry::~LLChatEntry()
+{
+	delete mTextExpandedSignal;
+}
+
+void LLChatEntry::draw()
+{
+	if(mIsExpandable)
+	{
+		expandText();
+	}
+
+	LLTextEditor::draw();
+}
+
+void LLChatEntry::onCommit()
+{
+	updateHistory();
+	LLTextEditor::onCommit();
+}
+
+boost::signals2::connection LLChatEntry::setTextExpandedCallback(const commit_signal_t::slot_type& cb)
+{
+	if (!mTextExpandedSignal)
+	{
+		mTextExpandedSignal = new commit_signal_t();
+	}
+	return mTextExpandedSignal->connect(cb);
+}
+
+void LLChatEntry::expandText()
+{
+	int visible_lines_count = llabs(getVisibleLines(true).first - getVisibleLines(true).second);
+	bool can_expand = getLineCount() <= mExpandLinesCount;
+
+	// true if pasted text has more lines than expand height limit and expand limit is not reached yet
+	bool text_pasted = (getLineCount() > mExpandLinesCount) && (visible_lines_count < mExpandLinesCount);
+
+	if (mIsExpandable && (can_expand || text_pasted) && getLineCount() != mPrevLinesCount)
+	{
+		int lines_height = 0;
+		if (text_pasted)
+		{
+			// text is pasted and now mLineInfoList.size() > mExpandLineCounts and mLineInfoList is not empty,
+			// so lines_height is the sum of the last 'mExpandLinesCount' lines height
+			lines_height = (mLineInfoList.end() - mExpandLinesCount)->mRect.mTop - mLineInfoList.back().mRect.mBottom;
+		}
+		else
+		{
+			lines_height = mLineInfoList.begin()->mRect.mTop - mLineInfoList.back().mRect.mBottom;
+		}
+
+		int height = mVPad * 2 +  lines_height;
+
+		LLRect doc_rect = getRect();
+		doc_rect.setOriginAndSize(doc_rect.mLeft, doc_rect.mBottom, doc_rect.getWidth(), height);
+		setShape(doc_rect);
+
+		mPrevLinesCount = getLineCount();
+
+		if (mTextExpandedSignal)
+		{
+			(*mTextExpandedSignal)(this, LLSD() );
+		}
+	}
+}
+
+// line history support
+void LLChatEntry::updateHistory()
+{
+	// On history enabled, remember committed line and
+	// reset current history line number.
+	// Be sure only to remember lines that are not empty and that are
+	// different from the last on the list.
+	if (mHasHistory && getLength())
+	{
+		// Add text to history, ignoring duplicates
+		if (mLineHistory.empty() || getText() != mLineHistory.back())
+		{
+			mLineHistory.push_back(getText());
+		}
+
+		mCurrentHistoryLine = mLineHistory.end();
+	}
+}
+
+void LLChatEntry::beforeValueChange()
+{
+    if(this->getLength() == 0 && !mLabel.empty())
+    {
+        this->clearSegments();
+    }
+}
+
+void LLChatEntry::onValueChange(S32 start, S32 end)
+{
+    //Internally resetLabel() must meet a condition before it can reset the label
+    resetLabel();
+}
+
+bool LLChatEntry::useLabel()
+{
+    return !getLength() && !mLabel.empty();
+}
+
+void LLChatEntry::onFocusReceived()
+{
+
+}
+
+void LLChatEntry::onFocusLost()
+{
+
+}
+
+BOOL LLChatEntry::handleSpecialKey(const KEY key, const MASK mask)
+{
+	BOOL handled = FALSE;
+
+	LLTextEditor::handleSpecialKey(key, mask);
+
+	switch(key)
+	{
+	case KEY_RETURN:
+		if (MASK_NONE == mask)
+		{
+			needsReflow();
+		}
+		break;
+
+	case KEY_UP:
+		if (mHasHistory && MASK_CONTROL == mask)
+		{
+			if (!mLineHistory.empty() && mCurrentHistoryLine > mLineHistory.begin())
+			{
+				setText(*(--mCurrentHistoryLine));
+				endOfDoc();
+			}
+			else
+			{
+				LLUI::reportBadKeystroke();
+			}
+			handled = TRUE;
+		}
+		break;
+
+	case KEY_DOWN:
+		if (mHasHistory && MASK_CONTROL == mask)
+		{
+			if (!mLineHistory.empty() && mCurrentHistoryLine < (mLineHistory.end() - 1) )
+			{
+				setText(*(++mCurrentHistoryLine));
+				endOfDoc();
+			}
+			else if (!mLineHistory.empty() && mCurrentHistoryLine == (mLineHistory.end() - 1) )
+			{
+				mCurrentHistoryLine++;
+				std::string empty("");
+				setText(empty);
+				needsReflow();
+				endOfDoc();
+			}
+			else
+			{
+				LLUI::reportBadKeystroke();
+			}
+			handled = TRUE;
+		}
+		break;
+
+	default:
+		break;
+	}
+
+	return handled;
+}
diff --git a/indra/llui/llchatentry.h b/indra/llui/llchatentry.h
new file mode 100644
index 0000000000..49181c8d78
--- /dev/null
+++ b/indra/llui/llchatentry.h
@@ -0,0 +1,103 @@
+/**
+ * @file llchatentry.h
+ * @author Paul Guslisty
+ * @brief Text editor widget which is used for user input
+ *
+ * Features:
+ *			Optional line history so previous entries can be recalled by CTRL UP/DOWN
+ *			Optional auto-resize behavior on input chat field
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2012, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifndef LLCHATENTRY_H_
+#define LLCHATENTRY_H_
+
+#include "lltexteditor.h"
+
+class LLChatEntry : public LLTextEditor
+{
+public:
+
+	struct Params : public LLInitParam::Block<Params, LLTextEditor::Params>
+	{
+		Optional<bool>		has_history,
+							is_expandable;
+
+		Optional<int>		expand_lines_count;
+
+		Params();
+	};
+
+	virtual ~LLChatEntry();
+
+protected:
+
+	friend class LLUICtrlFactory;
+	LLChatEntry(const Params& p);
+    /*virtual*/ void    beforeValueChange();
+    /*virtual*/ void    onValueChange(S32 start, S32 end);
+    /*virtual*/ bool    useLabel();
+
+public:
+
+	virtual void	draw();
+	virtual	void	onCommit();
+    /*virtual*/ void	onFocusReceived();
+    /*virtual*/ void	onFocusLost();
+
+	boost::signals2::connection setTextExpandedCallback(const commit_signal_t::slot_type& cb);
+
+private:
+
+	/**
+	 * Implements auto-resize behavior.
+	 * When user's typing reaches the right edge of the chat field
+	 * the chat field expands vertically by one line. The bottom of
+	 * the chat field remains bottom-justified. The chat field does
+	 * not expand beyond mExpandLinesCount.
+	 */
+	void	expandText();
+
+	/**
+	 * Implements line history so previous entries can be recalled by CTRL UP/DOWN
+	 */
+	void	updateHistory();
+
+	BOOL	handleSpecialKey(const KEY key, const MASK mask);
+
+
+	// Fired when text height expanded to mExpandLinesCount
+	commit_signal_t*			mTextExpandedSignal;
+
+	// line history support:
+	typedef std::vector<std::string>	line_history_t;
+	line_history_t::iterator			mCurrentHistoryLine;	// currently browsed history line
+	line_history_t						mLineHistory;			// line history storage
+	bool								mHasHistory;			// flag for enabled/disabled line history
+	bool								mIsExpandable;
+
+	int									mExpandLinesCount;
+	int									mPrevLinesCount;
+};
+
+#endif /* LLCHATENTRY_H_ */
diff --git a/indra/llui/llcheckboxctrl.cpp b/indra/llui/llcheckboxctrl.cpp
index 4fe444c1a4..5525520d78 100644
--- a/indra/llui/llcheckboxctrl.cpp
+++ b/indra/llui/llcheckboxctrl.cpp
@@ -107,7 +107,7 @@ LLCheckBoxCtrl::LLCheckBoxCtrl(const LLCheckBoxCtrl::Params& p)
 	LLButton::Params params = p.check_button;
 	params.rect(btn_rect);
 	//params.control_name(p.control_name);
-	params.click_callback.function(boost::bind(&LLCheckBoxCtrl::onButtonPress, this, _2));
+	params.click_callback.function(boost::bind(&LLCheckBoxCtrl::onCommit, this));
 	params.commit_on_return(false);
 	// Checkboxes only allow boolean initial values, but buttons can
 	// take any LLSD.
@@ -123,18 +123,6 @@ LLCheckBoxCtrl::~LLCheckBoxCtrl()
 	// Children all cleaned up by default view destructor.
 }
 
-
-// static
-void LLCheckBoxCtrl::onButtonPress( const LLSD& data )
-{
-	//if (mRadioStyle)
-	//{
-	//	setValue(TRUE);
-	//}
-
-	onCommit();
-}
-
 void LLCheckBoxCtrl::onCommit()
 {
 	if( getEnabled() )
diff --git a/indra/llui/llcheckboxctrl.h b/indra/llui/llcheckboxctrl.h
index 67d8091a97..5ce45b2135 100644
--- a/indra/llui/llcheckboxctrl.h
+++ b/indra/llui/llcheckboxctrl.h
@@ -103,8 +103,6 @@ public:
 	
 	virtual void		setControlName(const std::string& control_name, LLView* context);
 
-	void				onButtonPress(const LLSD& data);
-
 	virtual BOOL		isDirty()	const;		// Returns TRUE if the user has modified this control.
 	virtual void		resetDirty();			// Clear dirty state
 
diff --git a/indra/llui/llcommandmanager.cpp b/indra/llui/llcommandmanager.cpp
index 0e2f3f1961..625fb8e870 100644
--- a/indra/llui/llcommandmanager.cpp
+++ b/indra/llui/llcommandmanager.cpp
@@ -63,6 +63,7 @@ LLCommand::Params::Params()
 	, is_running_parameters("is_running_parameters")
 	, is_starting_function("is_starting_function")
 	, is_starting_parameters("is_starting_parameters")
+	, is_flashing_allowed("is_flashing_allowed", false)
 {
 }
 
@@ -83,6 +84,7 @@ LLCommand::LLCommand(const LLCommand::Params& p)
 	, mIsRunningParameters(p.is_running_parameters)
 	, mIsStartingFunction(p.is_starting_function)
 	, mIsStartingParameters(p.is_starting_parameters)
+	, mIsFlashingAllowed(p.is_flashing_allowed)
 {
 }
 
diff --git a/indra/llui/llcommandmanager.h b/indra/llui/llcommandmanager.h
index a7276a48aa..ff5a8a3257 100644
--- a/indra/llui/llcommandmanager.h
+++ b/indra/llui/llcommandmanager.h
@@ -111,6 +111,8 @@ public:
 		Optional<std::string>	is_starting_function;
 		Optional<LLSD>			is_starting_parameters;
 
+		Optional<bool>			is_flashing_allowed;
+
 		Params();
 	};
 
@@ -138,6 +140,8 @@ public:
 	const std::string& isStartingFunctionName() const { return mIsStartingFunction; }
 	const LLSD& isStartingParameters() const { return mIsStartingParameters; }
 
+	bool isFlashingAllowed() const { return mIsFlashingAllowed; }
+
 private:
 	LLCommandId mIdentifier;
 
@@ -161,6 +165,8 @@ private:
 
 	std::string mIsStartingFunction;
 	LLSD        mIsStartingParameters;
+
+	bool		mIsFlashingAllowed;
 };
 
 
diff --git a/indra/llui/llflashtimer.cpp b/indra/llui/llflashtimer.cpp
new file mode 100644
index 0000000000..e49628acd5
--- /dev/null
+++ b/indra/llui/llflashtimer.cpp
@@ -0,0 +1,100 @@
+/**
+ * @file llflashtimer.cpp
+ * @brief LLFlashTimer class implementation
+ *
+ * $LicenseInfo:firstyear=2002&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2012, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+#include "../newview/llviewerprecompiledheaders.h"
+
+#include "llflashtimer.h"
+#include "../newview/llviewercontrol.h"
+#include "lleventtimer.h"
+
+LLFlashTimer::LLFlashTimer(callback_t cb, S32 count, F32 period)
+		: LLEventTimer(period)
+		, mCallback(cb)
+		, mCurrentTickCount(0)
+        , mIsFlashingInProgress(false)
+        , mIsCurrentlyHighlighted(false)
+        , mUnset(false)
+{
+	mEventTimer.stop();
+
+	// By default use settings from settings.xml to be able change them via Debug settings. See EXT-5973.
+	// Due to Timer is implemented as derived class from EventTimer it is impossible to change period
+	// in runtime. So, both settings are made as required restart.
+	mFlashCount = 2 * ((count > 0) ? count : gSavedSettings.getS32("FlashCount"));
+	if (mPeriod <= 0)
+	{
+		mPeriod = gSavedSettings.getF32("FlashPeriod");
+	}
+}
+
+void LLFlashTimer::unset()
+{
+	mUnset = true;
+	mCallback = NULL;
+}
+
+BOOL LLFlashTimer::tick()
+{
+	mIsCurrentlyHighlighted = !mIsCurrentlyHighlighted;
+
+	if (mCallback)
+	{
+		mCallback(mIsCurrentlyHighlighted);
+	}
+
+	if (++mCurrentTickCount >= mFlashCount)
+	{
+		stopFlashing();
+	}
+
+	return mUnset;
+}
+
+void LLFlashTimer::startFlashing()
+{
+	mIsFlashingInProgress = true;
+	mIsCurrentlyHighlighted = true;
+	mEventTimer.start();
+}
+
+void LLFlashTimer::stopFlashing()
+{
+	mEventTimer.stop();
+	mIsFlashingInProgress = false;
+	mIsCurrentlyHighlighted = false;
+	mCurrentTickCount = 0;
+}
+
+bool LLFlashTimer::isFlashingInProgress()
+{
+	return mIsFlashingInProgress;
+}
+
+bool LLFlashTimer::isCurrentlyHighlighted()
+{
+	return mIsCurrentlyHighlighted;
+}
+
+
diff --git a/indra/llui/llflashtimer.h b/indra/llui/llflashtimer.h
new file mode 100644
index 0000000000..c60f99a8ea
--- /dev/null
+++ b/indra/llui/llflashtimer.h
@@ -0,0 +1,73 @@
+/**
+ * @file llflashtimer.h
+ * @brief LLFlashTimer class implementation
+ *
+ * $LicenseInfo:firstyear=2002&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2012, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_FLASHTIMER_H
+#define LL_FLASHTIMER_H
+
+#include "lleventtimer.h"
+
+class LLFlashTimer : public LLEventTimer
+{
+public:
+
+	typedef boost::function<void (bool)> callback_t;
+
+	/**
+	 * Constructor.
+	 *
+	 * @param count - how many times callback should be called (twice to not change original state)
+	 * @param period - how frequently callback should be called
+	 * @param cb - callback to be called each tick
+	 */
+	LLFlashTimer(callback_t cb = NULL, S32 count = 0, F32 period = 0.0);
+	~LLFlashTimer() {};
+
+	/*virtual*/ BOOL tick();
+
+	void startFlashing();
+	void stopFlashing();
+
+	bool isFlashingInProgress();
+	bool isCurrentlyHighlighted();
+	/*
+	 * Use this instead of deleting this object.
+	 * The next call to tick() will return true and that will destroy this object.
+	 */
+	void unset();
+
+private:
+	callback_t		mCallback;
+	/**
+	 * How many times parent will blink.
+	 */
+	S32 mFlashCount;
+	S32 mCurrentTickCount;
+	bool mIsCurrentlyHighlighted;
+	bool mIsFlashingInProgress;
+	bool mUnset;
+};
+
+#endif /* LL_FLASHTIMER_H */
diff --git a/indra/llui/llfloater.cpp b/indra/llui/llfloater.cpp
index 054b9173d3..8f9be5285d 100644
--- a/indra/llui/llfloater.cpp
+++ b/indra/llui/llfloater.cpp
@@ -64,6 +64,8 @@
 // use this to control "jumping" behavior when Ctrl-Tabbing
 const S32 TABBED_FLOATER_OFFSET = 0;
 
+extern LLControlGroup gSavedSettings;
+
 namespace LLInitParam
 {
 	void TypeValues<LLFloaterEnums::EOpenPositioning>::declareValues()
@@ -627,6 +629,17 @@ void LLFloater::setVisible( BOOL visible )
 	storeVisibilityControl();
 }
 
+
+void LLFloater::setIsSingleInstance(BOOL is_single_instance)
+{
+	mSingleInstance = is_single_instance;
+	if (!mIsReuseInitialized)
+	{
+		mReuseInstance = is_single_instance; // reuse single-instance floaters by default
+	}
+}
+
+
 // virtual
 void LLFloater::handleVisibilityChange ( BOOL new_visibility )
 {
@@ -649,7 +662,13 @@ void LLFloater::openFloater(const LLSD& key)
 		&& !getFloaterHost()
 		&& (!getVisible() || isMinimized()))
 	{
-		make_ui_sound("UISndWindowOpen");
+        //Don't play a sound for incoming voice call based upon chat preference setting
+        bool playSound = !(getName() == "incoming call" && gSavedSettings.getBOOL("PlaySoundIncomingVoiceCall") == FALSE);
+
+        if(playSound)
+        {
+            make_ui_sound("UISndWindowOpen");
+        }
 	}
 
 	//RN: for now, we don't allow rehosting from one multifloater to another
@@ -713,6 +732,33 @@ void LLFloater::closeFloater(bool app_quitting)
 			make_ui_sound("UISndWindowClose");
 		}
 
+		gFocusMgr.clearLastFocusForGroup(this);
+
+			if (hasFocus())
+			{
+				// Do this early, so UI controls will commit before the
+				// window is taken down.
+				releaseFocus();
+
+				// give focus to dependee floater if it exists, and we had focus first
+				if (isDependent())
+				{
+					LLFloater* dependee = mDependeeHandle.get();
+					if (dependee && !dependee->isDead())
+					{
+						dependee->setFocus(TRUE);
+					}
+				}
+			}
+
+
+		//If floater is a dependent, remove it from parent (dependee)
+        LLFloater* dependee = mDependeeHandle.get();
+        if (dependee)
+        {
+            dependee->removeDependentFloater(this);
+        }
+
 		// now close dependent floater
 		for(handle_set_iter_t dependent_it = mDependents.begin();
 			dependent_it != mDependents.end(); )
@@ -731,28 +777,6 @@ void LLFloater::closeFloater(bool app_quitting)
 		}
 		
 		cleanupHandles();
-		gFocusMgr.clearLastFocusForGroup(this);
-
-		if (hasFocus())
-		{
-			// Do this early, so UI controls will commit before the
-			// window is taken down.
-			releaseFocus();
-
-			// give focus to dependee floater if it exists, and we had focus first
-			if (isDependent())
-			{
-				LLFloater* dependee = mDependeeHandle.get();
-				if (dependee && !dependee->isDead())
-				{
-					dependee->setFocus(TRUE);
-				}
-			}
-
-			// STORM-1879: since this floater has focus, treat the closeFloater- call
-			// like a click on the close-button, and close gear- and contextmenus
-			LLMenuGL::sMenuContainer->hideMenus();
-		}
 
 		dirtyRect();
 
@@ -1179,7 +1203,6 @@ void LLFloater::setMinimized(BOOL minimize)
 	{
 		// minimized flag should be turned on before release focus
 		mMinimized = TRUE;
-
 		mExpandedRect = getRect();
 
 		// If the floater has been dragged while minimized in the
@@ -1252,7 +1275,6 @@ void LLFloater::setMinimized(BOOL minimize)
 		}
 
 		setOrigin( mExpandedRect.mLeft, mExpandedRect.mBottom );
-
 		if (mButtonsEnabled[BUTTON_RESTORE])
 		{
 			mButtonsEnabled[BUTTON_MINIMIZE] = TRUE;
@@ -1288,7 +1310,6 @@ void LLFloater::setMinimized(BOOL minimize)
 
 		// Reshape *after* setting mMinimized
 		reshape( mExpandedRect.getWidth(), mExpandedRect.getHeight(), TRUE );
-		applyPositioning(NULL, false);
 	}
 
 	make_ui_sound("UISndWindowClose");
@@ -1410,7 +1431,6 @@ void LLFloater::setHost(LLMultiFloater* host)
 		mButtonScale = 1.f;
 		//mButtonsEnabled[BUTTON_TEAR_OFF] = FALSE;
 	}
-	updateTitleButtons();
 	if (host)
 	{
 		mHostHandle = host->getHandle();
@@ -1420,6 +1440,8 @@ void LLFloater::setHost(LLMultiFloater* host)
 	{
 		mHostHandle.markDead();
 	}
+    
+	updateTitleButtons();
 }
 
 void LLFloater::moveResizeHandlesToFront()
@@ -1661,10 +1683,12 @@ void LLFloater::onClickTearOff(LLFloater* self)
 		gFloaterView->addChild(self);
 
 		self->openFloater(self->getKey());
-		
-		// only force position for floaters that don't have that data saved
-		if (self->mRectControl.empty())
+		if (self->mSaveRect && !self->mRectControl.empty())
 		{
+			self->applyRectControl();
+		}
+		else
+		{   // only force position for floaters that don't have that data saved
 			new_rect.setLeftTopAndSize(host_floater->getRect().mLeft + 5, host_floater->getRect().mTop - floater_header_size - 5, self->getRect().getWidth(), self->getRect().getHeight());
 			self->setRect(new_rect);
 		}
@@ -1678,6 +1702,10 @@ void LLFloater::onClickTearOff(LLFloater* self)
 		LLMultiFloater* new_host = (LLMultiFloater*)self->mLastHostHandle.get();
 		if (new_host)
 		{
+			if (self->mSaveRect)
+			{
+				self->storeRectControl();
+			}
 			self->setMinimized(FALSE); // to reenable minimize button if it was minimized
 			new_host->showFloater(self);
 			// make sure host is visible
@@ -1686,6 +1714,7 @@ void LLFloater::onClickTearOff(LLFloater* self)
 		self->setTornOff(false);
 	}
 	self->updateTitleButtons();
+    self->setOpenPositioning(LLFloaterEnums::POSITIONING_RELATIVE);
 }
 
 // static
@@ -1711,6 +1740,18 @@ void LLFloater::onClickHelp( LLFloater* self )
 	}
 }
 
+void LLFloater::initRectControl()
+{
+	// save_rect and save_visibility only apply to registered floaters
+	if (mSaveRect)
+	{
+		std::string ctrl_name = getControlName(mInstanceName, mKey);
+		mRectControl = LLFloaterReg::declareRectControl(ctrl_name);
+		mPosXControl = LLFloaterReg::declarePosXControl(ctrl_name);
+		mPosYControl = LLFloaterReg::declarePosYControl(ctrl_name);
+	}
+}
+
 // static 
 LLFloater* LLFloater::getClosableFloaterFromFocus()
 {
@@ -2201,7 +2242,8 @@ LLFloaterView::LLFloaterView (const Params& p)
 	mFocusCycleMode(FALSE),
 	mMinimizePositionVOffset(0),
 	mSnapOffsetBottom(0),
-	mSnapOffsetRight(0)
+	mSnapOffsetRight(0),
+	mFrontChild(NULL)
 {
 	mSnapView = getHandle();
 }
@@ -2350,6 +2392,13 @@ LLRect LLFloaterView::findNeighboringPosition( LLFloater* reference_floater, LLF
 
 void LLFloaterView::bringToFront(LLFloater* child, BOOL give_focus)
 {
+	if (mFrontChild == child)
+	{
+		return;
+	}
+
+	mFrontChild = child;
+
 	// *TODO: make this respect floater's mAutoFocus value, instead of
 	// using parameter
 	if (child->getHost())
@@ -2942,21 +2991,14 @@ void LLFloaterView::popVisibleAll(const skip_list_t& skip_list)
 
 void LLFloater::setInstanceName(const std::string& name)
 {
-	if (name == mInstanceName)
-		return;
+	if (name != mInstanceName)
+	{
 	llassert_always(mInstanceName.empty());
 	mInstanceName = name;
 	if (!mInstanceName.empty())
 	{
 		std::string ctrl_name = getControlName(mInstanceName, mKey);
-
-		// save_rect and save_visibility only apply to registered floaters
-		if (mSaveRect)
-		{
-			mRectControl = LLFloaterReg::declareRectControl(ctrl_name);
-			mPosXControl = LLFloaterReg::declarePosXControl(ctrl_name);
-			mPosYControl = LLFloaterReg::declarePosYControl(ctrl_name);
-		}
+			initRectControl();
 		if (!mVisibilityControl.empty())
 		{
 			mVisibilityControl = LLFloaterReg::declareVisibilityControl(ctrl_name);
@@ -2967,6 +3009,7 @@ void LLFloater::setInstanceName(const std::string& name)
 		}
 	}
 }
+}
 
 void LLFloater::setKey(const LLSD& newkey)
 {
diff --git a/indra/llui/llfloater.h b/indra/llui/llfloater.h
index e64b6d04d3..9ad566a1a1 100644
--- a/indra/llui/llfloater.h
+++ b/indra/llui/llfloater.h
@@ -217,6 +217,7 @@ public:
 	/*virtual*/ void setFocus( BOOL b );
 	/*virtual*/ void setIsChrome(BOOL is_chrome);
 	/*virtual*/ void setRect(const LLRect &rect);
+                void setIsSingleInstance(BOOL is_single_instance);
 
 	void 			initFloater(const Params& p);
 
@@ -301,6 +302,7 @@ public:
 	/*virtual*/ void handleVisibilityChange ( BOOL new_visibility ); // do not override
 	
 	void			setFrontmost(BOOL take_focus = TRUE);
+    virtual void	setVisibleAndFrontmost(BOOL take_focus=TRUE);    
 	
 	// Defaults to false.
 	virtual BOOL	canSaveAs() const { return FALSE; }
@@ -324,6 +326,8 @@ public:
 	virtual void    setDocked(bool docked, bool pop_on_undock = true);
 
 	virtual void    setTornOff(bool torn_off) { mTornOff = torn_off; }
+	bool isTornOff() {return mTornOff;}
+	void setOpenPositioning(LLFloaterEnums::EOpenPositioning pos) {mPositioning = pos;}
 
 	// Return a closeable floater, if any, given the current focus.
 	static LLFloater* getClosableFloaterFromFocus(); 
@@ -356,6 +360,7 @@ protected:
 
 	void			stackWith(LLFloater& other);
 
+	virtual void    initRectControl();
 	virtual bool	applyRectControl();
 	bool			applyDockState();
 	void			applyPositioning(LLFloater* other, bool on_open);
@@ -369,7 +374,6 @@ protected:
 	void		 	setInstanceName(const std::string& name);
 	
 	virtual void	bringToFront(S32 x, S32 y);
-	virtual void	setVisibleAndFrontmost(BOOL take_focus=TRUE);    
 	
 	void			setExpandedRect(const LLRect& rect) { mExpandedRect = rect; } // size when not minimized
 	const LLRect&	getExpandedRect() const { return mExpandedRect; }
@@ -443,9 +447,10 @@ private:
 	LLUIString		mTitle;
 	LLUIString		mShortTitle;
 	
-	BOOL			mSingleInstance;	// TRUE if there is only ever one instance of the floater
-	bool			mReuseInstance;		// true if we want to hide the floater when we close it instead of destroying it
-	std::string		mInstanceName;		// Store the instance name so we can remove ourselves from the list
+	BOOL			mSingleInstance;	  // TRUE if there is only ever one instance of the floater
+	bool			mReuseInstance;		  // true if we want to hide the floater when we close it instead of destroying it
+    bool            mIsReuseInitialized;  // true if mReuseInstance already set from parameters
+	std::string		mInstanceName;		  // Store the instance name so we can remove ourselves from the list
 	
 	BOOL			mCanTearOff;
 	BOOL			mCanMinimize;
@@ -571,6 +576,7 @@ private:
 	S32				mMinimizePositionVOffset;
 	typedef std::vector<std::pair<LLHandle<LLFloater>, boost::signals2::connection> > hidden_floaters_t;
 	hidden_floaters_t mHiddenFloaters;
+	LLFloater *		mFrontChild;
 };
 
 //
diff --git a/indra/newview/llfolderview.cpp b/indra/llui/llfolderview.cpp
index 8e540a0cc8..324142f6c3 100644
--- a/indra/newview/llfolderview.cpp
+++ b/indra/llui/llfolderview.cpp
@@ -24,39 +24,20 @@
  * $/LicenseInfo$
  */
 
-#include "llviewerprecompiledheaders.h"
+#include "linden_common.h"
 
 #include "llfolderview.h"
-
-#include "llcallbacklist.h"
-#include "llinventorybridge.h"
+#include "llfolderviewmodel.h"
 #include "llclipboard.h" // *TODO: remove this once hack below gone.
-#include "llinventoryfilter.h"
-#include "llinventoryfunctions.h"
-#include "llinventorymodelbackgroundfetch.h"
-#include "llinventorypanel.h"
-#include "llfoldertype.h"
-#include "llfloaterinventory.h"// hacked in for the bonus context menu items.
 #include "llkeyboard.h"
 #include "lllineeditor.h"
 #include "llmenugl.h"
 #include "llpanel.h"
-#include "llpreview.h"
 #include "llscrollcontainer.h" // hack to allow scrolling
-#include "lltooldraganddrop.h"
+#include "lltextbox.h"
 #include "lltrans.h"
 #include "llui.h"
-#include "llviewertexture.h"
-#include "llviewertexturelist.h"
-#include "llviewerjointattachment.h"
-#include "llviewermenu.h"
 #include "lluictrlfactory.h"
-#include "llviewercontrol.h"
-#include "llviewerfoldertype.h"
-#include "llviewerwindow.h"
-#include "llvoavatar.h"
-#include "llfloaterproperties.h"
-#include "llnotificationsutil.h"
 
 // Linden library includes
 #include "lldbstrings.h"
@@ -64,7 +45,6 @@
 #include "llfontgl.h"
 #include "llgl.h" 
 #include "llrender.h"
-#include "llinventory.h"
 
 // Third-party library includes
 #include <algorithm>
@@ -76,11 +56,7 @@
 const S32 RENAME_WIDTH_PAD = 4;
 const S32 RENAME_HEIGHT_PAD = 1;
 const S32 AUTO_OPEN_STACK_DEPTH = 16;
-const S32 MIN_ITEM_WIDTH_VISIBLE = LLFolderViewItem::ICON_WIDTH
-			+ LLFolderViewItem::ICON_PAD 
-			+ LLFolderViewItem::ARROW_SIZE 
-			+ LLFolderViewItem::TEXT_PAD 
-			+ /*first few characters*/ 40;
+
 const S32 MINIMUM_RENAMER_WIDTH = 80;
 
 // *TODO: move in params in xml if necessary. Requires modification of LLFolderView & LLInventoryPanel Params.
@@ -94,42 +70,6 @@ enum {
 
 F32 LLFolderView::sAutoOpenTime = 1.f;
 
-void delete_selected_item(void* user_data);
-void copy_selected_item(void* user_data);
-void open_selected_items(void* user_data);
-void properties_selected_items(void* user_data);
-void paste_items(void* user_data);
-
-
-//---------------------------------------------------------------------------
-
-// Tells all folders in a folderview to sort their items
-// (and only their items, not folders) by a certain function.
-class LLSetItemSortFunction : public LLFolderViewFunctor
-{
-public:
-	LLSetItemSortFunction(U32 ordering)
-		: mSortOrder(ordering) {}
-	virtual ~LLSetItemSortFunction() {}
-	virtual void doFolder(LLFolderViewFolder* folder);
-	virtual void doItem(LLFolderViewItem* item);
-
-	U32 mSortOrder;
-};
-
-
-// Set the sort order.
-void LLSetItemSortFunction::doFolder(LLFolderViewFolder* folder)
-{
-	folder->setItemSortOrder(mSortOrder);
-}
-
-// Do nothing.
-void LLSetItemSortFunction::doItem(LLFolderViewItem* item)
-{
-	return;
-}
-
 //---------------------------------------------------------------------------
 
 // Tells all folders in a folderview to close themselves
@@ -154,7 +94,6 @@ public:
 };
 
 
-// Set the sort order.
 void LLCloseAllFoldersFunctor::doFolder(LLFolderViewFolder* folder)
 {
 	folder->setOpenArrangeRecursively(mOpen);
@@ -177,7 +116,7 @@ const LLRect LLFolderViewScrollContainer::getScrolledViewRect() const
 		LLFolderView* folder_view = dynamic_cast<LLFolderView*>(mScrolledView);
 		if (folder_view)
 		{
-			S32 height = folder_view->mRunningHeight;
+			S32 height = folder_view->getRect().getHeight();
 
 			rect = mScrolledView->getRect();
 			rect.setLeftTopAndSize(rect.mLeft, rect.mTop, rect.getWidth(), height);
@@ -195,27 +134,25 @@ LLFolderViewScrollContainer::LLFolderViewScrollContainer(const LLScrollContainer
 /// Class LLFolderView
 ///----------------------------------------------------------------------------
 LLFolderView::Params::Params()
-:	task_id("task_id"),
-	title("title"),
+:	title("title"),
 	use_label_suffix("use_label_suffix"),
 	allow_multiselect("allow_multiselect", true),
 	show_empty_message("show_empty_message", true),
-	show_load_status("show_load_status", true),
-	use_ellipses("use_ellipses", false)
+	use_ellipses("use_ellipses", false),
+    options_menu("options_menu", "")
 {
+	folder_indentation = -4;
 }
 
 
 // Default constructor
 LLFolderView::LLFolderView(const Params& p)
 :	LLFolderViewFolder(p),
-	mRunningHeight(0),
 	mScrollContainer( NULL ),
 	mPopupMenuHandle(),
 	mAllowMultiSelect(p.allow_multiselect),
 	mShowEmptyMessage(p.show_empty_message),
 	mShowFolderHierarchy(FALSE),
-	mSourceID(p.task_id),
 	mRenameItem( NULL ),
 	mNeedsScroll( FALSE ),
 	mUseLabelSuffix(p.use_label_suffix),
@@ -223,9 +160,6 @@ LLFolderView::LLFolderView(const Params& p)
 	mNeedsAutoSelect( FALSE ),
 	mAutoSelectOverride(FALSE),
 	mNeedsAutoRename(FALSE),
-	mDebugFilters(FALSE),
-	mSortOrder(LLInventoryFilter::SO_FOLDERS_BY_NAME),	// This gets overridden by a pref immediately
-	mFilter( new LLInventoryFilter(p.title) ),
 	mShowSelectionContext(FALSE),
 	mShowSingleSelection(FALSE),
 	mArrangeGeneration(0),
@@ -236,33 +170,28 @@ LLFolderView::LLFolderView(const Params& p)
 	mParentPanel(p.parent_panel),
 	mUseEllipses(p.use_ellipses),
 	mDraggingOverItem(NULL),
-	mStatusTextBox(NULL)
+	mStatusTextBox(NULL),
+	mShowItemLinkOverlays(p.show_item_link_overlays),
+	mViewModel(p.view_model)
 {
+	mViewModel->setFolderView(this);
 	mRoot = this;
 
-	mShowLoadStatus = p.show_load_status();
-
 	LLRect rect = p.rect;
 	LLRect new_rect(rect.mLeft, rect.mBottom + getRect().getHeight(), rect.mLeft + getRect().getWidth(), rect.mBottom);
 	setRect( rect );
 	reshape(rect.getWidth(), rect.getHeight());
-	mIsOpen = TRUE; // this view is always open.
 	mAutoOpenItems.setDepth(AUTO_OPEN_STACK_DEPTH);
 	mAutoOpenCandidate = NULL;
 	mAutoOpenTimer.stop();
 	mKeyboardSelection = FALSE;
-	const LLFolderViewItem::Params& item_params =
-		LLUICtrlFactory::getDefaultParams<LLFolderViewItem>();
-	S32 indentation = item_params.folder_indentation();
-	mIndentation = -indentation; // children start at indentation 0
-	gIdleCallbacks.addFunction(idle, this);
+	mIndentation = p.folder_indentation;
 
 	//clear label
 	// go ahead and render root folder as usual
 	// just make sure the label ("Inventory Folder") never shows up
 	mLabel = LLStringUtil::null;
 
-	//mRenamer->setWriteableBgColor(LLColor4::white);
 	// Escape is handled by reverting the rename, not commiting it (default behavior)
 	LLLineEditor::Params params;
 	params.name("ren");
@@ -279,10 +208,11 @@ LLFolderView::LLFolderView(const Params& p)
 	// Textbox
 	LLTextBox::Params text_p;
 	LLFontGL* font = getLabelFontForStyle(mLabelStyle);
-	LLRect new_r = LLRect(rect.mLeft + ICON_PAD,
-			      rect.mTop - TEXT_PAD,
+    //mIconPad, mTextPad are set in folder_view_item.xml
+	LLRect new_r = LLRect(rect.mLeft + mIconPad,
+			      rect.mTop - mTextPad,
 			      rect.mRight,
-			      rect.mTop - TEXT_PAD - font->getLineHeight());
+			      rect.mTop - mTextPad - font->getLineHeight());
 	text_p.rect(new_r);
 	text_p.name(std::string(p.name));
 	text_p.font(font);
@@ -299,7 +229,7 @@ LLFolderView::LLFolderView(const Params& p)
 
 
 	// make the popup menu available
-	LLMenuGL* menu = LLUICtrlFactory::getInstance()->createFromFile<LLMenuGL>("menu_inventory.xml", gMenuHolder, LLViewerMenuHolderGL::child_registry_t::instance());
+	LLMenuGL* menu = LLUICtrlFactory::getInstance()->createFromFile<LLMenuGL>(p.options_menu, LLMenuGL::sMenuContainer, LLMenuHolderGL::child_registry_t::instance());
 	if (!menu)
 	{
 		menu = LLUICtrlFactory::getDefaultWidget<LLMenuGL>("inventory_menu");
@@ -307,7 +237,7 @@ LLFolderView::LLFolderView(const Params& p)
 	menu->setBackgroundColor(LLUIColorTable::instance().getColor("MenuPopupBgColor"));
 	mPopupMenuHandle = menu->getHandle();
 
-	mListener->openItem();
+	mViewModelItem->openItem();
 }
 
 // Destroys the object
@@ -326,7 +256,6 @@ LLFolderView::~LLFolderView( void )
 	mStatusTextBox = NULL;
 
 	mAutoOpenItems.removeAllNodes();
-	gIdleCallbacks.deleteFunction(idle, this);
 
 	if (mPopupMenuHandle.get()) mPopupMenuHandle.get()->die();
 
@@ -335,10 +264,7 @@ LLFolderView::~LLFolderView( void )
 	mItems.clear();
 	mFolders.clear();
 
-	mItemMap.clear();
-
-	delete mFilter;
-	mFilter = NULL;
+	mViewModel = NULL;
 }
 
 BOOL LLFolderView::canFocusChildren() const
@@ -346,46 +272,9 @@ BOOL LLFolderView::canFocusChildren() const
 	return FALSE;
 }
 
-static LLFastTimer::DeclareTimer FTM_SORT("Sort Inventory");
-
-void LLFolderView::setSortOrder(U32 order)
-{
-	if (order != mSortOrder)
-	{
-		LLFastTimer t(FTM_SORT);
-		
-		mSortOrder = order;
-
-		sortBy(order);
-		arrangeAll();
-	}
-}
-
-
-U32 LLFolderView::getSortOrder() const
-{
-	return mSortOrder;
-}
-
-BOOL LLFolderView::addFolder( LLFolderViewFolder* folder)
+void LLFolderView::addFolder( LLFolderViewFolder* folder)
 {
-	// enforce sort order of My Inventory followed by Library
-	if (folder->getListener()->getUUID() == gInventory.getLibraryRootFolderID())
-	{
-		mFolders.push_back(folder);
-	}
-	else
-	{
-		mFolders.insert(mFolders.begin(), folder);
-	}
-	folder->setShowLoadStatus(mShowLoadStatus);
-	folder->setOrigin(0, 0);
-	folder->reshape(getRect().getWidth(), 0);
-	folder->setVisible(FALSE);
-	addChild( folder );
-	folder->dirtyFilter();
-	folder->requestArrange();
-	return TRUE;
+	LLFolderViewFolder::addFolder(folder);
 }
 
 void LLFolderView::closeAllFolders()
@@ -405,145 +294,39 @@ void LLFolderView::openTopLevelFolders()
 	}
 }
 
-void LLFolderView::setOpenArrangeRecursively(BOOL openitem, ERecurseType recurse)
-{
-	// call base class to do proper recursion
-	LLFolderViewFolder::setOpenArrangeRecursively(openitem, recurse);
-	// make sure root folder is always open
-	mIsOpen = TRUE;
-}
-
-static LLFastTimer::DeclareTimer FTM_ARRANGE("Arrange");
-
 // This view grows and shrinks to enclose all of its children items and folders.
-S32 LLFolderView::arrange( S32* unused_width, S32* unused_height, S32 filter_generation )
-{
-	if (getListener()->getUUID().notNull())
+// *width should be 0
+// conform show folder state works
+S32 LLFolderView::arrange( S32* unused_width, S32* unused_height )
 	{
-		if (mNeedsSort)
-		{
-			mFolders.sort(mSortFunction);
-			mItems.sort(mSortFunction);
-			mNeedsSort = false;
-		}
-	}
-
-	LLFastTimer t2(FTM_ARRANGE);
-
-	filter_generation = mFilter->getMinRequiredGeneration();
 	mMinWidth = 0;
+	S32 target_height;
 
-	mHasVisibleChildren = hasFilteredDescendants(filter_generation);
-	// arrange always finishes, so optimistically set the arrange generation to the most current
-	mLastArrangeGeneration = getRoot()->getArrangeGeneration();
-
-	LLInventoryFilter::EFolderShow show_folder_state =
-		getRoot()->getFilter()->getShowFolderState();
-
-	S32 total_width = LEFT_PAD;
-	S32 running_height = mDebugFilters ? LLFontGL::getFontMonospace()->getLineHeight() : 0;
-	S32 target_height = running_height;
-	S32 parent_item_height = getRect().getHeight();
-
-	for (folders_t::iterator iter = mFolders.begin();
-		 iter != mFolders.end();)
-	{
-		folders_t::iterator fit = iter++;
-		LLFolderViewFolder* folderp = (*fit);
-		if (getDebugFilters())
-		{
-			folderp->setVisible(TRUE);
-		}
-		else
-		{
-			folderp->setVisible((show_folder_state == LLInventoryFilter::SHOW_ALL_FOLDERS || // always show folders?
-								 (folderp->getFiltered(filter_generation) || folderp->hasFilteredDescendants(filter_generation))));
-		}
-
-		if (folderp->getVisible())
-		{
-			S32 child_height = 0;
-			S32 child_width = 0;
-			S32 child_top = parent_item_height - running_height;
-			
-			target_height += folderp->arrange( &child_width, &child_height, filter_generation );
-
-			mMinWidth = llmax(mMinWidth, child_width);
-			total_width = llmax( total_width, child_width );
-			running_height += child_height;
-			folderp->setOrigin( ICON_PAD, child_top - (*fit)->getRect().getHeight() );
-		}
-	}
+	LLFolderViewFolder::arrange(&mMinWidth, &target_height);
 
-	for (items_t::iterator iter = mItems.begin();
-		 iter != mItems.end();)
-	{
-		items_t::iterator iit = iter++;
-		LLFolderViewItem* itemp = (*iit);
-		itemp->setVisible(itemp->getFiltered(filter_generation));
+	LLRect scroll_rect = (mScrollContainer ? mScrollContainer->getContentWindowRect() : LLRect());
+	reshape( llmax(scroll_rect.getWidth(), mMinWidth), llround(mCurHeight) );
 
-		if (itemp->getVisible())
-		{
-			S32 child_width = 0;
-			S32 child_height = 0;
-			S32 child_top = parent_item_height - running_height;
-			
-			target_height += itemp->arrange( &child_width, &child_height, filter_generation );
-			itemp->reshape(itemp->getRect().getWidth(), child_height);
-
-			mMinWidth = llmax(mMinWidth, child_width);
-			total_width = llmax( total_width, child_width );
-			running_height += child_height;
-			itemp->setOrigin( ICON_PAD, child_top - itemp->getRect().getHeight() );
-		}
-	}
-
-	if(!mHasVisibleChildren)// is there any filtered items ?
-	{
-		//Nope. We need to display status textbox, let's reserve some place for it
-		running_height = mStatusTextBox->getTextPixelHeight();
-		target_height = running_height;
-	}
-
-	mRunningHeight = running_height;
-	LLRect scroll_rect = mScrollContainer->getContentWindowRect();
-	reshape( llmax(scroll_rect.getWidth(), total_width), running_height );
-
-	LLRect new_scroll_rect = mScrollContainer->getContentWindowRect();
+	LLRect new_scroll_rect = (mScrollContainer ? mScrollContainer->getContentWindowRect() : LLRect());
 	if (new_scroll_rect.getWidth() != scroll_rect.getWidth())
 	{
-		reshape( llmax(scroll_rect.getWidth(), total_width), running_height );
+		reshape( llmax(scroll_rect.getWidth(), mMinWidth), llround(mCurHeight) );
 	}
 
 	// move item renamer text field to item's new position
 	updateRenamerPosition();
 
-	mTargetHeight = (F32)target_height;
 	return llround(mTargetHeight);
 }
 
-const std::string LLFolderView::getFilterSubString(BOOL trim)
-{
-	return mFilter->getFilterSubString(trim);
-}
-
-static LLFastTimer::DeclareTimer FTM_FILTER("Filter Inventory");
+static LLFastTimer::DeclareTimer FTM_FILTER("Filter Folder View");
 
-void LLFolderView::filter( LLInventoryFilter& filter )
+void LLFolderView::filter( LLFolderViewFilter& filter )
 {
 	LLFastTimer t2(FTM_FILTER);
-	filter.setFilterCount(llclamp(gSavedSettings.getS32("FilterItemsPerFrame"), 1, 5000));
+	filter.setFilterCount(llclamp(LLUI::sSettingGroups["config"]->getS32("FilterItemsPerFrame"), 1, 5000));
 
-	if (getCompletedFilterGeneration() < filter.getCurrentGeneration())
-	{
-		mPassedFilter = FALSE;
-		mMinWidth = 0;
-		LLFolderViewFolder::filter(filter);
-	}
-	else
-	{
-		mPassedFilter = TRUE;
-	}
+	getViewModelItem()->filter(filter);
 }
 
 void LLFolderView::reshape(S32 width, S32 height, BOOL called_from_parent)
@@ -555,7 +338,7 @@ void LLFolderView::reshape(S32 width, S32 height, BOOL called_from_parent)
 		scroll_rect = mScrollContainer->getContentWindowRect();
 	}
 	width  = llmax(mMinWidth, scroll_rect.getWidth());
-	height = llmax(mRunningHeight, scroll_rect.getHeight());
+	height = llmax(llround(mCurHeight), scroll_rect.getHeight());
 
 	// Restrict width within scroll container's width
 	if (mUseEllipses && mScrollContainer)
@@ -653,30 +436,6 @@ BOOL LLFolderView::setSelection(LLFolderViewItem* selection, BOOL openitem,
 	return rv;
 }
 
-void LLFolderView::setSelectionByID(const LLUUID& obj_id, BOOL take_keyboard_focus)
-{
-	LLFolderViewItem* itemp = getItemByID(obj_id);
-	if(itemp && itemp->getListener())
-	{
-		itemp->arrangeAndSet(TRUE, take_keyboard_focus);
-		mSelectThisID.setNull();
-		return;
-	}
-	else
-	{
-		// save the desired item to be selected later (if/when ready)
-		mSelectThisID = obj_id;
-	}
-}
-
-void LLFolderView::updateSelection()
-{
-	if (mSelectThisID.notNull())
-	{
-		setSelectionByID(mSelectThisID, false);
-	}
-}
-
 BOOL LLFolderView::changeSelection(LLFolderViewItem* selection, BOOL selected)
 {
 	BOOL rv = FALSE;
@@ -727,9 +486,6 @@ void LLFolderView::sanitizeSelection()
 	// and we want to preserve context
 	LLFolderViewItem* original_selected_item = getCurSelectedItem();
 
-	// Cache "Show all folders" filter setting
-	BOOL show_all_folders = (getRoot()->getFilter()->getShowFolderState() == LLInventoryFilter::SHOW_ALL_FOLDERS);
-
 	std::vector<LLFolderViewItem*> items_to_remove;
 	selected_items_t::iterator item_iter;
 	for (item_iter = mSelectedItems.begin(); item_iter != mSelectedItems.end(); ++item_iter)
@@ -737,24 +493,19 @@ void LLFolderView::sanitizeSelection()
 		LLFolderViewItem* item = *item_iter;
 
 		// ensure that each ancestor is open and potentially passes filtering
-		BOOL visible = item->potentiallyVisible(); // initialize from filter state for this item
+		BOOL visible = false;
+		if(item->getViewModelItem() != NULL)
+		{
+			visible = item->getViewModelItem()->potentiallyVisible(); // initialize from filter state for this item
+		}
 		// modify with parent open and filters states
 		LLFolderViewFolder* parent_folder = item->getParentFolder();
-		if ( parent_folder )
-		{
-			if ( show_all_folders )
-			{	// "Show all folders" is on, so this folder is visible
-				visible = TRUE;
-			}
-			else
-			{	// Move up through parent folders and see what's visible
+		// Move up through parent folders and see what's visible
 				while(parent_folder)
 				{
-					visible = visible && parent_folder->isOpen() && parent_folder->potentiallyVisible();
+			visible = visible && parent_folder->isOpen() && parent_folder->getViewModelItem()->potentiallyVisible();
 					parent_folder = parent_folder->getParentFolder();
 				}
-			}
-		}
 
 		//  deselect item if any ancestor is closed or didn't pass filter requirements.
 		if (!visible)
@@ -804,7 +555,7 @@ void LLFolderView::sanitizeSelection()
 				parent_folder;
 				parent_folder = parent_folder->getParentFolder())
 			{
-				if (parent_folder->potentiallyVisible())
+				if (parent_folder->getViewModelItem() && parent_folder->getViewModelItem()->potentiallyVisible())
 				{
 					// give initial selection to first ancestor folder that potentially passes the filter
 					if (!new_selection)
@@ -843,42 +594,30 @@ void LLFolderView::clearSelection()
 	}
 
 	mSelectedItems.clear();
-	mSelectThisID.setNull();
 }
 
-std::set<LLUUID> LLFolderView::getSelectionList() const
+std::set<LLFolderViewItem*> LLFolderView::getSelectionList() const
 {
-	std::set<LLUUID> selection;
-	for (selected_items_t::const_iterator item_it = mSelectedItems.begin(); 
-		 item_it != mSelectedItems.end(); 
-		 ++item_it)
-	{
-		selection.insert((*item_it)->getListener()->getUUID());
-	}
+	std::set<LLFolderViewItem*> selection;
+	std::copy(mSelectedItems.begin(), mSelectedItems.end(), std::inserter(selection, selection.begin()));
 	return selection;
 }
 
-BOOL LLFolderView::startDrag(LLToolDragAndDrop::ESource source)
+bool LLFolderView::startDrag()
 {
-	std::vector<EDragAndDropType> types;
-	uuid_vec_t cargo_ids;
+	std::vector<LLFolderViewModelItem*> selected_items;
 	selected_items_t::iterator item_it;
-	BOOL can_drag = TRUE;
+
 	if (!mSelectedItems.empty())
 	{
 		for (item_it = mSelectedItems.begin(); item_it != mSelectedItems.end(); ++item_it)
 		{
-			EDragAndDropType type = DAD_NONE;
-			LLUUID id = LLUUID::null;
-			can_drag = can_drag && (*item_it)->getListener()->startDrag(&type, &id);
-
-			types.push_back(type);
-			cargo_ids.push_back(id);
+			selected_items.push_back((*item_it)->getViewModelItem());
 		}
 
-		LLToolDragAndDrop::getInstance()->beginMultiDrag(types, cargo_ids, source, mSourceID); 
+		return getFolderViewModel()->startDrag(selected_items);
 	}
-	return can_drag;
+	return false;
 }
 
 void LLFolderView::commitRename( const LLSD& data )
@@ -888,16 +627,6 @@ void LLFolderView::commitRename( const LLSD& data )
 
 void LLFolderView::draw()
 {
-	static LLUIColor sSearchStatusColor = LLUIColorTable::instance().getColor("InventorySearchStatusColor", LLColor4::white);
-	if (mDebugFilters)
-	{
-		std::string current_filter_string = llformat("Current Filter: %d, Least Filter: %d, Auto-accept Filter: %d",
-										mFilter->getCurrentGeneration(), mFilter->getMinRequiredGeneration(), mFilter->getMustPassGeneration());
-		LLFontGL::getFontMonospace()->renderUTF8(current_filter_string, 0, 2, 
-			getRect().getHeight() - LLFontGL::getFontMonospace()->getLineHeight(), LLColor4(0.5f, 0.5f, 0.8f, 1.f), 
-			LLFontGL::LEFT, LLFontGL::BOTTOM, LLFontGL::NORMAL, LLFontGL::NO_SHADOW, S32_MAX, S32_MAX, NULL, FALSE );
-	}
-
 	//LLFontGL* font = getLabelFontForStyle(mLabelStyle);
 
 	// if cursor has moved off of me during drag and drop
@@ -907,52 +636,18 @@ void LLFolderView::draw()
 		closeAutoOpenedFolders();
 	}
 
-	// while dragging, update selection rendering to reflect single/multi drag status
-	if (LLToolDragAndDrop::getInstance()->hasMouseCapture())
-	{
-		EAcceptance last_accept = LLToolDragAndDrop::getInstance()->getLastAccept();
-		if (last_accept == ACCEPT_YES_SINGLE || last_accept == ACCEPT_YES_COPY_SINGLE)
-		{
-			setShowSingleSelection(TRUE);
-		}
-		else
-		{
-			setShowSingleSelection(FALSE);
-		}
-	}
-	else
-	{
-		setShowSingleSelection(FALSE);
-	}
-
-
-	if (mSearchTimer.getElapsedTimeF32() > gSavedSettings.getF32("TypeAheadTimeout") || !mSearchString.size())
+	if (mSearchTimer.getElapsedTimeF32() > LLUI::sSettingGroups["config"]->getF32("TypeAheadTimeout") || !mSearchString.size())
 	{
 		mSearchString.clear();
 	}
 
-	if (hasVisibleChildren()
-		|| mFilter->getShowFolderState() == LLInventoryFilter::SHOW_ALL_FOLDERS)
+	if (hasVisibleChildren())
 	{
-		mStatusText.clear();
 		mStatusTextBox->setVisible( FALSE );
 	}
 	else if (mShowEmptyMessage)
 	{
-		if (LLInventoryModelBackgroundFetch::instance().folderFetchActive() || mCompletedFilterGeneration < mFilter->getMinRequiredGeneration())
-		{
-			mStatusText = LLTrans::getString("Searching");
-		}
-		else
-		{
-			if (getFilter())
-			{
-				LLStringUtil::format_map_t args;
-				args["[SEARCH_TERM]"] = LLURI::escape(getFilter()->getFilterSubStringOrig());
-				mStatusText = LLTrans::getString(getFilter()->getEmptyLookupMessage(), args);
-			}
-		}
-		mStatusTextBox->setValue(mStatusText);
+		mStatusTextBox->setValue(getFolderViewModel()->getStatusText());
 		mStatusTextBox->setVisible( TRUE );
 		
 		// firstly reshape message textbox with current size. This is necessary to
@@ -969,7 +664,11 @@ void LLFolderView::draw()
 			// This will indirectly call ::arrange and reshape of the status textbox.
 			// We should call this method to also notify parent about required rect.
 			// See EXT-7564, EXT-7047.
-			arrangeFromRoot();
+			S32 height = 0;
+			S32 width = 0;
+			S32 total_height = arrange( &width, &height );
+			notifyParent(LLSD().with("action", "size_changes").with("height", total_height));
+
 			LLUI::popMatrix();
 			LLUI::pushMatrix();
 			LLUI::translate((F32)getRect().mLeft, (F32)getRect().mBottom);
@@ -996,7 +695,7 @@ void LLFolderView::finishRenamingItem( void )
 
 	closeRenamer();
 
-	// List is re-sorted alphabeticly, so scroll to make sure the selected item is visible.
+	// List is re-sorted alphabetically, so scroll to make sure the selected item is visible.
 	scrollToShowSelection();
 }
 
@@ -1005,68 +704,12 @@ void LLFolderView::closeRenamer( void )
 	if (mRenamer && mRenamer->getVisible())
 	{
 		// Triggers onRenamerLost() that actually closes the renamer.
-		gViewerWindow->removePopup(mRenamer);
-	}
-}
-
-void LLFolderView::removeSelectedItems( void )
-{
-	if (mSelectedItems.empty()) return;
-	LLSD args;
-	args["QUESTION"] = LLTrans::getString(mSelectedItems.size() > 1 ? "DeleteItems" :  "DeleteItem");
-	LLNotificationsUtil::add("DeleteItems", args, LLSD(), boost::bind(&LLFolderView::onItemsRemovalConfirmation, this, _1, _2));
-}
-
-bool isDescendantOfASelectedItem(LLFolderViewItem* item, const std::vector<LLFolderViewItem*>& selectedItems)
-{
-	LLFolderViewItem* item_parent = dynamic_cast<LLFolderViewItem*>(item->getParent());
-
-	if (item_parent)
-	{
-		for(std::vector<LLFolderViewItem*>::const_iterator it = selectedItems.begin(); it != selectedItems.end(); ++it)
-		{
-			const LLFolderViewItem* const selected_item = (*it);
-
-			LLFolderViewItem* parent = item_parent;
-
-			while (parent)
-			{
-				if (selected_item == parent)
-				{
-					return true;
-				}
-
-				parent = dynamic_cast<LLFolderViewItem*>(parent->getParent());
-			}
-		}
+		LLUI::removePopup(mRenamer);
 	}
-
-	return false;
 }
 
-// static
-void LLFolderView::removeCutItems()
+void LLFolderView::removeSelectedItems()
 {
-	// There's no item in "cut" mode on the clipboard -> exit
-	if (!LLClipboard::instance().isCutMode())
-		return;
-
-	// Get the list of clipboard item uuids and iterate through them
-	LLDynamicArray<LLUUID> objects;
-	LLClipboard::instance().pasteFromClipboard(objects);
-	for (LLDynamicArray<LLUUID>::const_iterator iter = objects.begin();
-		 iter != objects.end();
-		 ++iter)
-	{
-		gInventory.removeObject(*iter);
-	}
-}
-
-void LLFolderView::onItemsRemovalConfirmation(const LLSD& notification, const LLSD& response)
-{
-	S32 option = LLNotificationsUtil::getSelectedOption(notification, response);
-	if (option != 0) return; // canceled
-
 	if(getVisible() && getEnabled())
 	{
 		// just in case we're removing the renaming item.
@@ -1097,68 +740,38 @@ void LLFolderView::onItemsRemovalConfirmation(const LLSD& notification, const LL
 		// iterate through the new container.
 		count = items.size();
 		LLUUID new_selection_id;
+		LLFolderViewItem* item_to_select = getNextUnselectedItem();
+
 		if(count == 1)
 		{
 			LLFolderViewItem* item_to_delete = items[0];
 			LLFolderViewFolder* parent = item_to_delete->getParentFolder();
-			LLFolderViewItem* new_selection = item_to_delete->getNextOpenNode(FALSE);
-			if (!new_selection)
-			{
-				new_selection = item_to_delete->getPreviousOpenNode(FALSE);
-			}
 			if(parent)
 			{
-				if (parent->removeItem(item_to_delete))
+				if (item_to_delete->remove())
 				{
 					// change selection on successful delete
-					if (new_selection)
-					{
-						setSelectionFromRoot(new_selection, new_selection->isOpen(), mParentPanel->hasFocus());
-					}
-					else
-					{
-						setSelectionFromRoot(NULL, mParentPanel->hasFocus());
+					setSelection(item_to_select, item_to_select ? item_to_select->isOpen() : false, mParentPanel->hasFocus());
 					}
 				}
-			}
 			arrangeAll();
 		}
 		else if (count > 1)
 		{
-			LLDynamicArray<LLFolderViewEventListener*> listeners;
-			LLFolderViewEventListener* listener;
-			LLFolderViewItem* last_item = items[count - 1];
-			LLFolderViewItem* new_selection = last_item->getNextOpenNode(FALSE);
-			while(new_selection && new_selection->isSelected())
-			{
-				new_selection = new_selection->getNextOpenNode(FALSE);
-			}
-			if (!new_selection)
-			{
-				new_selection = last_item->getPreviousOpenNode(FALSE);
-				while (new_selection && (new_selection->isSelected() || isDescendantOfASelectedItem(new_selection, items)))
-				{
-					new_selection = new_selection->getPreviousOpenNode(FALSE);
-				}
-			}
-			if (new_selection)
-			{
-				setSelectionFromRoot(new_selection, new_selection->isOpen(), mParentPanel->hasFocus());
-			}
-			else
-			{
-				setSelectionFromRoot(NULL, mParentPanel->hasFocus());
-			}
+			LLDynamicArray<LLFolderViewModelItem*> listeners;
+			LLFolderViewModelItem* listener;
+
+			setSelection(item_to_select, item_to_select ? item_to_select->isOpen() : false, mParentPanel->hasFocus());
 
 			for(S32 i = 0; i < count; ++i)
 			{
-				listener = items[i]->getListener();
-				if(listener && (listeners.find(listener) == LLDynamicArray<LLFolderViewEventListener*>::FAIL))
+				listener = items[i]->getViewModelItem();
+				if(listener && (listeners.find(listener) == LLDynamicArray<LLFolderViewModelItem*>::FAIL))
 				{
 					listeners.put(listener);
 				}
 			}
-			listener = listeners.get(0);
+			listener = static_cast<LLFolderViewModelItem*>(listeners.get(0));
 			if(listener)
 			{
 				listener->removeBatch(listeners);
@@ -1169,82 +782,6 @@ void LLFolderView::onItemsRemovalConfirmation(const LLSD& notification, const LL
 	}
 }
 
-// open the selected item.
-void LLFolderView::openSelectedItems( void )
-{
-	if(getVisible() && getEnabled())
-	{
-		if (mSelectedItems.size() == 1)
-		{
-			mSelectedItems.front()->openItem();
-		}
-		else
-		{
-			LLMultiPreview* multi_previewp = new LLMultiPreview();
-			LLMultiProperties* multi_propertiesp = new LLMultiProperties();
-
-			selected_items_t::iterator item_it;
-			for (item_it = mSelectedItems.begin(); item_it != mSelectedItems.end(); ++item_it)
-			{
-				// IT_{OBJECT,ATTACHMENT} creates LLProperties
-				// floaters; others create LLPreviews.  Put
-				// each one in the right type of container.
-				LLFolderViewEventListener* listener = (*item_it)->getListener();
-				bool is_prop = listener && (listener->getInventoryType() == LLInventoryType::IT_OBJECT || listener->getInventoryType() == LLInventoryType::IT_ATTACHMENT);
-				if (is_prop)
-					LLFloater::setFloaterHost(multi_propertiesp);
-				else
-					LLFloater::setFloaterHost(multi_previewp);
-				(*item_it)->openItem();
-			}
-
-			LLFloater::setFloaterHost(NULL);
-			// *NOTE: LLMulti* will safely auto-delete when open'd
-			// without any children.
-			multi_previewp->openFloater(LLSD());
-			multi_propertiesp->openFloater(LLSD());
-		}
-	}
-}
-
-void LLFolderView::propertiesSelectedItems( void )
-{
-	if(getVisible() && getEnabled())
-	{
-		if (mSelectedItems.size() == 1)
-		{
-			LLFolderViewItem* folder_item = mSelectedItems.front();
-			if(!folder_item) return;
-			folder_item->getListener()->showProperties();
-		}
-		else
-		{
-			LLMultiProperties* multi_propertiesp = new LLMultiProperties();
-
-			LLFloater::setFloaterHost(multi_propertiesp);
-
-			selected_items_t::iterator item_it;
-			for (item_it = mSelectedItems.begin(); item_it != mSelectedItems.end(); ++item_it)
-			{
-				(*item_it)->getListener()->showProperties();
-			}
-
-			LLFloater::setFloaterHost(NULL);
-			multi_propertiesp->openFloater(LLSD());
-		}
-	}
-}
-
-void LLFolderView::changeType(LLInventoryModel *model, LLFolderType::EType new_folder_type)
-{
-	LLFolderBridge *folder_bridge = LLFolderBridge::sSelf.get();
-
-	if (!folder_bridge) return;
-	LLViewerInventoryCategory *cat = folder_bridge->getCategory();
-	if (!cat) return;
-	cat->changeType(new_folder_type);
-}
-
 void LLFolderView::autoOpenItem( LLFolderViewFolder* item )
 {
 	if ((mAutoOpenItems.check() == item) || 
@@ -1268,7 +805,7 @@ void LLFolderView::autoOpenItem( LLFolderViewFolder* item )
 	mAutoOpenItems.push(item);
 	
 	item->setOpen(TRUE);
-	LLRect content_rect = mScrollContainer->getContentWindowRect();
+	LLRect content_rect = (mScrollContainer ? mScrollContainer->getContentWindowRect() : LLRect());
 	LLRect constraint_rect(0,content_rect.getHeight(), content_rect.getWidth(), 0);
 	scrollToShowItem(item, constraint_rect);
 }
@@ -1329,7 +866,7 @@ BOOL LLFolderView::canCopy() const
 	for (selected_items_t::const_iterator selected_it = mSelectedItems.begin(); selected_it != mSelectedItems.end(); ++selected_it)
 	{
 		const LLFolderViewItem* item = *selected_it;
-		if (!item->getListener()->isItemCopyable())
+		if (!item->getViewModelItem()->isItemCopyable())
 		{
 			return FALSE;
 		}
@@ -1345,11 +882,11 @@ void LLFolderView::copy()
 	S32 count = mSelectedItems.size();
 	if(getVisible() && getEnabled() && (count > 0))
 	{
-		LLFolderViewEventListener* listener = NULL;
+		LLFolderViewModelItem* listener = NULL;
 		selected_items_t::iterator item_it;
 		for (item_it = mSelectedItems.begin(); item_it != mSelectedItems.end(); ++item_it)
 		{
-			listener = (*item_it)->getListener();
+			listener = (*item_it)->getViewModelItem();
 			if(listener)
 			{
 				listener->copyToClipboard();
@@ -1369,7 +906,7 @@ BOOL LLFolderView::canCut() const
 	for (selected_items_t::const_iterator selected_it = mSelectedItems.begin(); selected_it != mSelectedItems.end(); ++selected_it)
 	{
 		const LLFolderViewItem* item = *selected_it;
-		const LLFolderViewEventListener* listener = item->getListener();
+		const LLFolderViewModelItem* listener = item->getViewModelItem();
 
 		if (!listener || !listener->isItemRemovable())
 		{
@@ -1386,17 +923,21 @@ void LLFolderView::cut()
 	S32 count = mSelectedItems.size();
 	if(getVisible() && getEnabled() && (count > 0))
 	{
-		LLFolderViewEventListener* listener = NULL;
+		LLFolderViewItem* item_to_select = getNextUnselectedItem();
+
 		selected_items_t::iterator item_it;
 		for (item_it = mSelectedItems.begin(); item_it != mSelectedItems.end(); ++item_it)
 		{
-			listener = (*item_it)->getListener();
+			LLFolderViewItem* item_to_cut = *item_it;
+			LLFolderViewModelItem* listener = item_to_cut->getViewModelItem();
 			if(listener)
 			{
 				listener->cutToClipboard();
+				listener->removeItem();
 			}
 		}
-		LLFolderView::removeCutItems();
+
+		setSelection(item_to_select, item_to_select ? item_to_select->isOpen() : false, mParentPanel->hasFocus());
 	}
 	mSearchString.clear();
 }
@@ -1415,11 +956,11 @@ BOOL LLFolderView::canPaste() const
 		{
 			// *TODO: only check folders and parent folders of items
 			const LLFolderViewItem* item = (*item_it);
-			const LLFolderViewEventListener* listener = item->getListener();
+			const LLFolderViewModelItem* listener = item->getViewModelItem();
 			if(!listener || !listener->isClipboardPasteable())
 			{
 				const LLFolderViewFolder* folderp = item->getParentFolder();
-				listener = folderp->getListener();
+				listener = folderp->getViewModelItem();
 				if (!listener || !listener->isClipboardPasteable())
 				{
 					return FALSE;
@@ -1437,24 +978,24 @@ void LLFolderView::paste()
 	if(getVisible() && getEnabled())
 	{
 		// find set of unique folders to paste into
-		std::set<LLFolderViewItem*> folder_set;
+		std::set<LLFolderViewFolder*> folder_set;
 
 		selected_items_t::iterator selected_it;
 		for (selected_it = mSelectedItems.begin(); selected_it != mSelectedItems.end(); ++selected_it)
 		{
 			LLFolderViewItem* item = *selected_it;
-			LLFolderViewEventListener* listener = item->getListener();
-			if (listener->getInventoryType() != LLInventoryType::IT_CATEGORY)
+			LLFolderViewFolder* folder = dynamic_cast<LLFolderViewFolder*>(item);
+			if (folder == NULL)
 			{
-				item = item->getParentFolder();
+				folder = item->getParentFolder();
 			}
-			folder_set.insert(item);
+			folder_set.insert(folder);
 		}
 
-		std::set<LLFolderViewItem*>::iterator set_iter;
+		std::set<LLFolderViewFolder*>::iterator set_iter;
 		for(set_iter = folder_set.begin(); set_iter != folder_set.end(); ++set_iter)
 		{
-			LLFolderViewEventListener* listener = (*set_iter)->getListener();
+			LLFolderViewModelItem* listener = (*set_iter)->getViewModelItem();
 			if(listener && listener->isClipboardPasteable())
 			{
 				listener->pasteFromClipboard();
@@ -1476,8 +1017,8 @@ void LLFolderView::startRenamingSelectedItem( void )
 	{
 		item = mSelectedItems.front();
 	}
-	if(getVisible() && getEnabled() && (count == 1) && item && item->getListener() &&
-	   item->getListener()->isItemRenameable())
+	if(getVisible() && getEnabled() && (count == 1) && item && item->getViewModelItem() &&
+	   item->getViewModelItem()->isItemRenameable())
 	{
 		mRenameItem = item;
 
@@ -1490,7 +1031,7 @@ void LLFolderView::startRenamingSelectedItem( void )
 		// set focus will fail unless item is visible
 		mRenamer->setFocus( TRUE );
 		mRenamer->setTopLostCallback(boost::bind(&LLFolderView::onRenamerLost, this));
-		gViewerWindow->addPopup(mRenamer);
+		LLUI::addPopup(mRenamer);
 	}
 }
 
@@ -1529,11 +1070,6 @@ BOOL LLFolderView::handleKeyHere( KEY key, MASK mask )
 				mSearchString.clear();
 				handled = TRUE;
 			}
-			else
-			{
-				LLFolderView::openSelectedItems();
-				handled = TRUE;
-			}
 		}
 		break;
 
@@ -1548,25 +1084,37 @@ BOOL LLFolderView::handleKeyHere( KEY key, MASK mask )
 
 	case KEY_PAGE_UP:
 		mSearchString.clear();
+		if (mScrollContainer)
+		{
 		mScrollContainer->pageUp(30);
+		}
 		handled = TRUE;
 		break;
 
 	case KEY_PAGE_DOWN:
 		mSearchString.clear();
+		if (mScrollContainer)
+		{
 		mScrollContainer->pageDown(30);
+		}
 		handled = TRUE;
 		break;
 
 	case KEY_HOME:
 		mSearchString.clear();
+		if (mScrollContainer)
+		{
 		mScrollContainer->goToTop();
+		}
 		handled = TRUE;
 		break;
 
 	case KEY_END:
 		mSearchString.clear();
+		if (mScrollContainer)
+		{
 		mScrollContainer->goToBottom();
+		}
 		break;
 
 	case KEY_DOWN:
@@ -1590,12 +1138,12 @@ BOOL LLFolderView::handleKeyHere( KEY key, MASK mask )
 					if (next->isSelected())
 					{
 						// shrink selection
-						changeSelectionFromRoot(last_selected, FALSE);
+						changeSelection(last_selected, FALSE);
 					}
 					else if (last_selected->getParentFolder() == next->getParentFolder())
 					{
 						// grow selection
-						changeSelectionFromRoot(next, TRUE);
+						changeSelection(next, TRUE);
 					}
 				}
 			}
@@ -1654,12 +1202,12 @@ BOOL LLFolderView::handleKeyHere( KEY key, MASK mask )
 					if (prev->isSelected())
 					{
 						// shrink selection
-						changeSelectionFromRoot(last_selected, FALSE);
+						changeSelection(last_selected, FALSE);
 					}
 					else if (last_selected->getParentFolder() == prev->getParentFolder())
 					{
 						// grow selection
-						changeSelectionFromRoot(prev, TRUE);
+						changeSelection(prev, TRUE);
 					}
 				}
 			}
@@ -1762,7 +1310,7 @@ BOOL LLFolderView::handleUnicodeCharHere(llwchar uni_char)
 		}
 
 		//do text search
-		if (mSearchTimer.getElapsedTimeF32() > gSavedSettings.getF32("TypeAheadTimeout"))
+		if (mSearchTimer.getElapsedTimeF32() > LLUI::sSettingGroups["config"]->getF32("TypeAheadTimeout"))
 		{
 			mSearchString.clear();
 		}
@@ -1786,7 +1334,7 @@ BOOL LLFolderView::canDoDelete() const
 
 	for (selected_items_t::const_iterator item_it = mSelectedItems.begin(); item_it != mSelectedItems.end(); ++item_it)
 	{
-		if (!(*item_it)->getListener()->isItemRemovable())
+		if (!(*item_it)->getViewModelItem()->isItemRemovable())
 		{
 			return FALSE;
 		}
@@ -1853,7 +1401,7 @@ BOOL LLFolderView::search(LLFolderViewItem* first_item, const std::string &searc
 			}
 		}
 
-		const std::string current_item_label(search_item->getSearchableLabel());
+		const std::string current_item_label(search_item->getViewModelItem()->getSearchableName());
 		S32 search_string_length = llmin(upper_case_string.size(), current_item_label.size());
 		if (!current_item_label.compare(0, search_string_length, upper_case_string))
 		{
@@ -1897,19 +1445,23 @@ BOOL LLFolderView::handleRightMouseDown( S32 x, S32 y, MASK mask )
 	S32 count = mSelectedItems.size();
 	LLMenuGL* menu = (LLMenuGL*)mPopupMenuHandle.get();
 	if (   handled
-		&& ( count > 0 && (hasVisibleChildren() || mFilter->getShowFolderState() == LLInventoryFilter::SHOW_ALL_FOLDERS) ) // show menu only if selected items are visible
+		&& ( count > 0 && (hasVisibleChildren()) ) // show menu only if selected items are visible
 		&& menu )
 	{
 		if (mCallbackRegistrar)
+        {
 			mCallbackRegistrar->pushScope();
+        }
 
 		updateMenuOptions(menu);
 	   
 		menu->updateParent(LLMenuGL::sMenuContainer);
 		LLMenuGL::showPopup(this, menu, x, y);
 		if (mCallbackRegistrar)
+        {
 			mCallbackRegistrar->popScope();
 	}
+	}
 	else
 	{
 		if (menu && menu->getVisible())
@@ -1972,24 +1524,8 @@ BOOL LLFolderView::handleDragAndDrop(S32 x, S32 y, MASK mask, BOOL drop,
 	// by the folder which is the hierarchy root.
 	if (!handled)
 	{
-		if (getListener()->getUUID().notNull())
-		{
 			handled = LLFolderViewFolder::handleDragAndDrop(x, y, mask, drop, cargo_type, cargo_data, accept, tooltip_msg);
 		}
-		else
-		{
-			if (!mFolders.empty())
-			{
-				// dispatch to last folder as a hack to support "Contents" folder in object inventory
-				handled = mFolders.back()->handleDragAndDropFromChild(mask,drop,cargo_type,cargo_data,accept,tooltip_msg);
-			}
-		}
-	}
-
-	if (handled)
-	{
-		lldebugst(LLERR_USER_INPUT) << "dragAndDrop handled by LLFolderView" << llendl;
-	}
 
 	return handled;
 }
@@ -2033,18 +1569,16 @@ void LLFolderView::scrollToShowItem(LLFolderViewItem* item, const LLRect& constr
 	if(item)
 	{
 		LLRect local_rect = item->getLocalRect();
-		LLRect item_scrolled_rect; // item position relative to display area of scroller
-		LLRect visible_doc_rect = mScrollContainer->getVisibleContentRect();
-		
 		S32 icon_height = mIcon.isNull() ? 0 : mIcon->getHeight(); 
 		S32 label_height = getLabelFontForStyle(mLabelStyle)->getLineHeight(); 
 		// when navigating with keyboard, only move top of opened folder on screen, otherwise show whole folder
-		S32 max_height_to_show = item->isOpen() && mScrollContainer->hasFocus() ? (llmax( icon_height, label_height ) + ICON_PAD) : local_rect.getHeight(); 
+		S32 max_height_to_show = item->isOpen() && mScrollContainer->hasFocus() ? (llmax( icon_height, label_height ) + item->getIconPad()) : local_rect.getHeight();
 		
 		// get portion of item that we want to see...
 		LLRect item_local_rect = LLRect(item->getIndentation(), 
 										local_rect.getHeight(), 
-										llmin(MIN_ITEM_WIDTH_VISIBLE, local_rect.getWidth()), 
+                                        //+40 is supposed to include few first characters
+										llmin(item->getLabelXPos() - item->getIndentation() + 40, local_rect.getWidth()), 
 										llmax(0, local_rect.getHeight() - max_height_to_show));
 
 		LLRect item_doc_rect;
@@ -2058,8 +1592,8 @@ void LLFolderView::scrollToShowItem(LLFolderViewItem* item, const LLRect& constr
 
 LLRect LLFolderView::getVisibleRect()
 {
-	S32 visible_height = mScrollContainer->getRect().getHeight();
-	S32 visible_width = mScrollContainer->getRect().getWidth();
+	S32 visible_height = (mScrollContainer ? mScrollContainer->getRect().getHeight() : 0);
+	S32 visible_width  = (mScrollContainer ? mScrollContainer->getRect().getWidth()  : 0);
 	LLRect visible_rect;
 	visible_rect.setLeftTopAndSize(-getRect().mLeft, visible_height - getRect().mBottom, visible_width, visible_height);
 	return visible_rect;
@@ -2088,159 +1622,28 @@ void LLFolderView::setShowSingleSelection(BOOL show)
 	}
 }
 
-void LLFolderView::addItemID(const LLUUID& id, LLFolderViewItem* itemp)
-{
-	mItemMap[id] = itemp;
-}
-
-void LLFolderView::removeItemID(const LLUUID& id)
-{
-	mItemMap.erase(id);
-}
-
-LLFastTimer::DeclareTimer FTM_GET_ITEM_BY_ID("Get FolderViewItem by ID");
-LLFolderViewItem* LLFolderView::getItemByID(const LLUUID& id)
-{
-	LLFastTimer _(FTM_GET_ITEM_BY_ID);
-	if (id == getListener()->getUUID())
-	{
-		return this;
-	}
-
-	std::map<LLUUID, LLFolderViewItem*>::iterator map_it;
-	map_it = mItemMap.find(id);
-	if (map_it != mItemMap.end())
-	{
-		return map_it->second;
-	}
-
-	return NULL;
-}
-
-LLFolderViewFolder* LLFolderView::getFolderByID(const LLUUID& id)
-{
-	if (id == getListener()->getUUID())
-	{
-		return this;
-	}
-
-	for (folders_t::iterator iter = mFolders.begin();
-		 iter != mFolders.end();
-		 ++iter)
-	{
-		LLFolderViewFolder *folder = (*iter);
-		if (folder->getListener()->getUUID() == id)
-		{
-			return folder;
-		}
-	}
-	return NULL;
-}
-
-bool LLFolderView::doToSelected(LLInventoryModel* model, const LLSD& userdata)
-{
-	std::string action = userdata.asString();
-	
-	if ("rename" == action)
-	{
-		startRenamingSelectedItem();
-		return true;
-	}
-	if ("delete" == action)
-	{
-		removeSelectedItems();
-		return true;
-	}
-	if (("copy" == action) || ("cut" == action))
-	{
-		// Clear the clipboard before we start adding things on it
-		LLClipboard::instance().reset();
-	}
-
-	static const std::string change_folder_string = "change_folder_type_";
-	if (action.length() > change_folder_string.length() && 
-		(action.compare(0,change_folder_string.length(),"change_folder_type_") == 0))
-	{
-		LLFolderType::EType new_folder_type = LLViewerFolderType::lookupTypeFromXUIName(action.substr(change_folder_string.length()));
-		changeType(model, new_folder_type);
-		return true;
-	}
-
-
-	std::set<LLUUID> selected_items = getSelectionList();
-
-	LLMultiPreview* multi_previewp = NULL;
-	LLMultiProperties* multi_propertiesp = NULL;
-
-	if (("task_open" == action  || "open" == action) && selected_items.size() > 1)
-	{
-		multi_previewp = new LLMultiPreview();
-		gFloaterView->addChild(multi_previewp);
-
-		LLFloater::setFloaterHost(multi_previewp);
-	
-	}
-	else if (("task_properties" == action || "properties" == action) && selected_items.size() > 1)
-	{
-		multi_propertiesp = new LLMultiProperties();
-		gFloaterView->addChild(multi_propertiesp);
-
-		LLFloater::setFloaterHost(multi_propertiesp);
-	}
-
-	std::set<LLUUID>::iterator set_iter;
-
-	for (set_iter = selected_items.begin(); set_iter != selected_items.end(); ++set_iter)
-	{
-		LLFolderViewItem* folder_item = getItemByID(*set_iter);
-		if(!folder_item) continue;
-		LLInvFVBridge* bridge = (LLInvFVBridge*)folder_item->getListener();
-		if(!bridge) continue;
-		bridge->performAction(model, action);
-	}
-
-	LLFloater::setFloaterHost(NULL);
-	if (multi_previewp)
-	{
-		multi_previewp->openFloater(LLSD());
-	}
-	else if (multi_propertiesp)
-	{
-		multi_propertiesp->openFloater(LLSD());
-	}
-
-	return true;
-}
-
 static LLFastTimer::DeclareTimer FTM_AUTO_SELECT("Open and Select");
 static LLFastTimer::DeclareTimer FTM_INVENTORY("Inventory");
 
 // Main idle routine
-void LLFolderView::doIdle()
+void LLFolderView::update()
 {
 	// If this is associated with the user's inventory, don't do anything
 	// until that inventory is loaded up.
-	const LLInventoryPanel *inventory_panel = dynamic_cast<LLInventoryPanel*>(mParentPanel);
-	if (inventory_panel && !inventory_panel->getIsViewsInitialized())
-	{
-		return;
-	}
-	
 	LLFastTimer t2(FTM_INVENTORY);
 
-	BOOL debug_filters = gSavedSettings.getBOOL("DebugInventoryFilters");
-	if (debug_filters != getDebugFilters())
+	if (getFolderViewModel()->getFilter().isModified() && getFolderViewModel()->getFilter().isNotDefault())
 	{
-		mDebugFilters = debug_filters;
-		arrangeAll();
+		mNeedsAutoSelect = TRUE;
 	}
-	BOOL filter_modified_and_active = mFilter->isModified() && mFilter->isNotDefault();
-	mNeedsAutoSelect = filter_modified_and_active &&
-						!(gFocusMgr.childHasKeyboardFocus(this) || gFocusMgr.getMouseCapture());
-	mFilter->clearModified();
-
 	// filter to determine visibility before arranging
-	filterFromRoot();
+	filter(getFolderViewModel()->getFilter());
+	// Clear the modified setting on the filter only if the filter count is non-zero after running the filter process
+	// Note: if the filter count is zero, then the filter most likely halted before completing the entire set of items
+	if (getFolderViewModel()->getFilter().isModified() && (getFolderViewModel()->getFilter().getFilterCount() > 0))
+	{
+		getFolderViewModel()->getFilter().clearModified();
+	}
 
 	// automatically show matching items, and select first one if we had a selection
 	if (mNeedsAutoSelect)
@@ -2248,7 +1651,7 @@ void LLFolderView::doIdle()
 		LLFastTimer t3(FTM_AUTO_SELECT);
 		// select new item only if a filtered item not currently selected
 		LLFolderViewItem* selected_itemp = mSelectedItems.empty() ? NULL : mSelectedItems.back();
-		if (!mAutoSelectOverride && (!selected_itemp || !selected_itemp->potentiallyVisible()))
+		if (!mAutoSelectOverride && (!selected_itemp || !selected_itemp->getViewModelItem()->potentiallyVisible()))
 		{
 			// these are named variables to get around gcc not binding non-const references to rvalues
 			// and functor application is inherently non-const to allow for stateful functors
@@ -2258,7 +1661,7 @@ void LLFolderView::doIdle()
 
 		// Open filtered folders for folder views with mAutoSelectOverride=TRUE.
 		// Used by LLPlacesFolderView.
-		if (!mFilter->getFilterSubString().empty())
+		if (getFolderViewModel()->getFilter().showAllResults())
 		{
 			// these are named variables to get around gcc not binding non-const references to rvalues
 			// and functor application is inherently non-const to allow for stateful functors
@@ -2269,16 +1672,30 @@ void LLFolderView::doIdle()
 		scrollToShowSelection();
 	}
 
-	BOOL filter_finished = mCompletedFilterGeneration >= mFilter->getCurrentGeneration() 
-						&& !LLInventoryModelBackgroundFetch::instance().folderFetchActive();
+	BOOL filter_finished = getViewModelItem()->passedFilter()
+						&& mViewModel->contentsReady();
 	if (filter_finished 
-		|| gFocusMgr.childHasKeyboardFocus(inventory_panel) 
-		|| gFocusMgr.childHasMouseCapture(inventory_panel))
+		|| gFocusMgr.childHasKeyboardFocus(mParentPanel)
+		|| gFocusMgr.childHasMouseCapture(mParentPanel))
 	{
 		// finishing the filter process, giving focus to the folder view, or dragging the scrollbar all stop the auto select process
 		mNeedsAutoSelect = FALSE;
 	}
 
+  BOOL is_visible = isInVisibleChain();
+
+  //Puts folders/items in proper positions
+  if ( is_visible )
+  {
+    sanitizeSelection();
+    if( needsArrange() )
+    {
+      S32 height = 0;
+      S32 width = 0;
+      S32 total_height = arrange( &width, &height );
+      notifyParent(LLSD().with("action", "size_changes").with("height", total_height));
+    }
+  }
 
 	// during filtering process, try to pin selected item's location on screen
 	// this will happen when searching your inventory and when new items arrive
@@ -2290,22 +1707,30 @@ void LLFolderView::doIdle()
 			// lets pin it!
 			mPinningSelectedItem = TRUE;
 
-			LLRect visible_content_rect = mScrollContainer->getVisibleContentRect();
+      //Computes visible area 
+			const LLRect visible_content_rect = (mScrollContainer ? mScrollContainer->getVisibleContentRect() : LLRect());
 			LLFolderViewItem* selected_item = mSelectedItems.back();
 
+      //Computes location of selected content, content outside visible area will be scrolled to using below code
 			LLRect item_rect;
 			selected_item->localRectToOtherView(selected_item->getLocalRect(), &item_rect, this);
-			// if item is visible in scrolled region
-			if (visible_content_rect.overlaps(item_rect))
+			
+      //Computes intersected region of the selected content and visible area
+      LLRect overlap_rect(item_rect);
+      overlap_rect.intersectWith(visible_content_rect);
+
+      //Don't scroll when the selected content exists within the visible area
+			if (overlap_rect.getHeight() >= selected_item->getItemHeight())
 			{
 				// then attempt to keep it in same place on screen
 				mScrollConstraintRect = item_rect;
 				mScrollConstraintRect.translate(-visible_content_rect.mLeft, -visible_content_rect.mBottom);
 			}
+      //Scroll because the selected content is outside the visible area
 			else
 			{
 				// otherwise we just want it onscreen somewhere
-				LLRect content_rect = mScrollContainer->getContentWindowRect();
+				LLRect content_rect = (mScrollContainer ? mScrollContainer->getContentWindowRect() : LLRect());
 				mScrollConstraintRect.setOriginAndSize(0, 0, content_rect.getWidth(), content_rect.getHeight());
 			}
 		}
@@ -2328,22 +1753,10 @@ void LLFolderView::doIdle()
 	else
 	{
 		// during normal use (page up/page down, etc), just try to fit item on screen
-		LLRect content_rect = mScrollContainer->getContentWindowRect();
+		LLRect content_rect = (mScrollContainer ? mScrollContainer->getContentWindowRect() : LLRect());
 		constraint_rect.setOriginAndSize(0, 0, content_rect.getWidth(), content_rect.getHeight());
 	}
 
-
-	BOOL is_visible = isInVisibleChain();
-
-	if ( is_visible )
-	{
-		sanitizeSelection();
-		if( needsArrange() )
-		{
-			arrangeFromRoot();
-		}
-	}
-
 	if (mSelectedItems.size() && mNeedsScroll)
 	{
 		scrollToShowItem(mSelectedItems.back(), constraint_rect);
@@ -2364,17 +1777,6 @@ void LLFolderView::doIdle()
 	mSignalSelectCallback = FALSE;
 }
 
-
-//static
-void LLFolderView::idle(void* user_data)
-{
-	LLFolderView* self = (LLFolderView*)user_data;
-	if ( self )
-	{	// Do the real idle 
-		self->doIdle();
-	}
-}
-
 void LLFolderView::dumpSelectionInformation()
 {
 	llinfos << "LLFolderView::dumpSelectionInformation()" << llendl;
@@ -2392,13 +1794,13 @@ void LLFolderView::updateRenamerPosition()
 	if(mRenameItem)
 	{
 		// See also LLFolderViewItem::draw()
-		S32 x = ARROW_SIZE + TEXT_PAD + ICON_WIDTH + ICON_PAD + mRenameItem->getIndentation();
+		S32 x = mRenameItem->getLabelXPos();
 		S32 y = mRenameItem->getRect().getHeight() - mRenameItem->getItemHeight() - RENAME_HEIGHT_PAD;
 		mRenameItem->localPointToScreen( x, y, &x, &y );
 		screenPointToLocal( x, y, &x, &y );
 		mRenamer->setOrigin( x, y );
 
-		LLRect scroller_rect(0, 0, gViewerWindow->getWindowWidthScaled(), 0);
+		LLRect scroller_rect(0, 0, (S32)LLUI::getWindowSize().mV[VX], 0);
 		if (mScrollContainer)
 		{
 			scroller_rect = mScrollContainer->getContentWindowRect();
@@ -2425,14 +1827,15 @@ void LLFolderView::updateMenuOptions(LLMenuGL* menu)
 
 	// Successively filter out invalid options
 
-	U32 flags = FIRST_SELECTED_ITEM;
+	U32 multi_select_flag = (mSelectedItems.size() > 1 ? ITEM_IN_MULTI_SELECTION : 0x0);
+	U32 flags = multi_select_flag | FIRST_SELECTED_ITEM;
 	for (selected_items_t::iterator item_itor = mSelectedItems.begin();
 			item_itor != mSelectedItems.end();
 			++item_itor)
 	{
 		LLFolderViewItem* selected_item = (*item_itor);
 		selected_item->buildContextMenu(*menu, flags);
-		flags = 0x0;
+		flags = multi_select_flag;
 	}
 
 	addNoOptions(menu);
@@ -2545,7 +1948,7 @@ void LLFolderView::onRenamerLost()
 
 	if( mRenameItem )
 	{
-		setSelectionFromRoot( mRenameItem, TRUE );
+		setSelection( mRenameItem, TRUE );
 		mRenameItem = NULL;
 	}
 }
@@ -2569,72 +1972,12 @@ LLFolderViewItem* LLFolderView::getNextUnselectedItem()
 	return new_selection;
 }
 
-LLInventoryFilter* LLFolderView::getFilter()
-{
-	return mFilter;
-}
-
-void LLFolderView::setFilterPermMask( PermissionMask filter_perm_mask )
-{
-	mFilter->setFilterPermissions(filter_perm_mask);
-}
-
-U32 LLFolderView::getFilterObjectTypes() const
-{
-	return mFilter->getFilterObjectTypes();
-}
-
-PermissionMask LLFolderView::getFilterPermissions() const
+S32 LLFolderView::getItemHeight()
 {
-	return mFilter->getFilterPermissions();
-}
-
-BOOL LLFolderView::isFilterModified()
+	if(!hasVisibleChildren())
 {
-	return mFilter->isNotDefault();
+		//We need to display status textbox, let's reserve some place for it
+		return llmax(0, mStatusTextBox->getTextPixelHeight());
 }
-
-void delete_selected_item(void* user_data)
-{
-	if(user_data)
-	{
-		LLFolderView* fv = reinterpret_cast<LLFolderView*>(user_data);
-		fv->removeSelectedItems();
-	}
-}
-
-void copy_selected_item(void* user_data)
-{
-	if(user_data)
-	{
-		LLFolderView* fv = reinterpret_cast<LLFolderView*>(user_data);
-		fv->copy();
-	}
-}
-
-void paste_items(void* user_data)
-{
-	if(user_data)
-	{
-		LLFolderView* fv = reinterpret_cast<LLFolderView*>(user_data);
-		fv->paste();
-	}
-}
-
-void open_selected_items(void* user_data)
-{
-	if(user_data)
-	{
-		LLFolderView* fv = reinterpret_cast<LLFolderView*>(user_data);
-		fv->openSelectedItems();
-	}
-}
-
-void properties_selected_items(void* user_data)
-{
-	if(user_data)
-	{
-		LLFolderView* fv = reinterpret_cast<LLFolderView*>(user_data);
-		fv->propertiesSelectedItems();
-	}
+	return 0;
 }
diff --git a/indra/newview/llfolderview.h b/indra/llui/llfolderview.h
index 3f78312a98..a6e0a3b4c0 100644
--- a/indra/newview/llfolderview.h
+++ b/indra/llui/llfolderview.h
@@ -39,19 +39,16 @@
 
 #include "lluictrl.h"
 #include "v4color.h"
-#include "lldarray.h"
 #include "stdenums.h"
 #include "lldepthstack.h"
 #include "lleditmenuhandler.h"
 #include "llfontgl.h"
 #include "llscrollcontainer.h"
-#include "lltooldraganddrop.h"
-#include "llviewertexture.h"
 
-class LLFolderViewEventListener;
+class LLFolderViewModelInterface;
 class LLFolderViewFolder;
 class LLFolderViewItem;
-class LLInventoryModel;
+class LLFolderViewFilter;
 class LLPanel;
 class LLLineEditor;
 class LLMenuGL;
@@ -90,13 +87,15 @@ public:
 	struct Params : public LLInitParam::Block<Params, LLFolderViewFolder::Params>
 	{
 		Mandatory<LLPanel*>	    parent_panel;
-		Optional<LLUUID>        task_id;
 		Optional<std::string>   title;
 		Optional<bool>			use_label_suffix,
 								allow_multiselect,
 								show_empty_message,
-								show_load_status,
-								use_ellipses;
+								use_ellipses,
+								show_item_link_overlays;
+		Mandatory<LLFolderViewModelInterface*>	view_model;
+        Mandatory<std::string>   options_menu;
+
 
 		Params();
 	};
@@ -108,118 +107,85 @@ public:
 
 	virtual BOOL canFocusChildren() const;
 
+	virtual const LLFolderView*	getRoot() const { return this; }
 	virtual LLFolderView*	getRoot() { return this; }
 
-	// FolderViews default to sort by name. This will change that,
-	// and resort the items if necessary.
-	void setSortOrder(U32 order);
-	void setFilterPermMask(PermissionMask filter_perm_mask);
-	
+	LLFolderViewModelInterface* getFolderViewModel() { return mViewModel; }
+	const LLFolderViewModelInterface* getFolderViewModel() const { return mViewModel; }
+
 	typedef boost::signals2::signal<void (const std::deque<LLFolderViewItem*>& items, BOOL user_action)> signal_t;
 	void setSelectCallback(const signal_t::slot_type& cb) { mSelectSignal.connect(cb); }
 	void setReshapeCallback(const signal_t::slot_type& cb) { mReshapeSignal.connect(cb); }
 	
-	// filter is never null
-	LLInventoryFilter* getFilter();
-	const std::string getFilterSubString(BOOL trim = FALSE);
-	U32 getFilterObjectTypes() const;
-	PermissionMask getFilterPermissions() const;
-	// *NOTE: use getFilter()->getShowFolderState();
-	//LLInventoryFilter::EFolderShow getShowFolderState();
-	U32 getSortOrder() const;
-	BOOL isFilterModified();
-
 	bool getAllowMultiSelect() { return mAllowMultiSelect; }
 
 	// Close all folders in the view
 	void closeAllFolders();
 	void openTopLevelFolders();
 
-	virtual void toggleOpen() {};
-	virtual void setOpenArrangeRecursively(BOOL openitem, ERecurseType recurse);
-	virtual BOOL addFolder( LLFolderViewFolder* folder);
+	virtual void addFolder( LLFolderViewFolder* folder);
 
 	// Find width and height of this object and its children. Also
 	// makes sure that this view and its children are the right size.
-	virtual S32 arrange( S32* width, S32* height, S32 filter_generation );
+	virtual S32 arrange( S32* width, S32* height );
+	virtual S32 getItemHeight();
 
 	void arrangeAll() { mArrangeGeneration++; }
 	S32 getArrangeGeneration() { return mArrangeGeneration; }
 
-	// Apply filters to control visibility of inventory items
-	virtual void filter( LLInventoryFilter& filter);
+	// applies filters to control visibility of items
+	virtual void filter( LLFolderViewFilter& filter);
 
 	// Get the last selected item
 	virtual LLFolderViewItem* getCurSelectedItem( void );
 
 	// Record the selected item and pass it down the hierarchy.
 	virtual BOOL setSelection(LLFolderViewItem* selection, BOOL openitem,
-		BOOL take_keyboard_focus);
+		BOOL take_keyboard_focus = TRUE);
 
-	// Used by menu callbacks
-	void setSelectionByID(const LLUUID& obj_id, BOOL take_keyboard_focus);
-
-	// Called once a frame to update the selection if mSelectThisID has been set
-	void updateSelection();
-
-	// This method is used to toggle the selection of an item. 
-	// Walks children and keeps track of selected objects.
+	// This method is used to toggle the selection of an item. Walks
+	// children, and keeps track of selected objects.
 	virtual BOOL changeSelection(LLFolderViewItem* selection, BOOL selected);
 
-	virtual std::set<LLUUID> getSelectionList() const;
+	virtual std::set<LLFolderViewItem*> getSelectionList() const;
 
-	// Make sure if ancestor is selected, descendents are not
+	// Make sure if ancestor is selected, descendants are not
 	void sanitizeSelection();
-	void clearSelection();
+	virtual void clearSelection();
 	void addToSelectionList(LLFolderViewItem* item);
 	void removeFromSelectionList(LLFolderViewItem* item);
 
-	BOOL startDrag(LLToolDragAndDrop::ESource source);
+	bool startDrag();
 	void setDragAndDropThisFrame() { mDragAndDropThisFrame = TRUE; }
 	void setDraggingOverItem(LLFolderViewItem* item) { mDraggingOverItem = item; }
 	LLFolderViewItem* getDraggingOverItem() { return mDraggingOverItem; }
 
 	// Deletion functionality
  	void removeSelectedItems();
- 	static void removeCutItems();
-
-	// Open the selected item
-	void openSelectedItems( void );
-	void propertiesSelectedItems( void );
-
-	// Change the folder type
-	void changeType(LLInventoryModel *model, LLFolderType::EType new_folder_type);
 
 	void autoOpenItem(LLFolderViewFolder* item);
 	void closeAutoOpenedFolders();
 	BOOL autoOpenTest(LLFolderViewFolder* item);
+	BOOL isOpen() const { return TRUE; } // root folder always open
 
 	// Copy & paste
-	virtual void	copy();
 	virtual BOOL	canCopy() const;
+	virtual void	copy();
 
-	virtual void	cut();
 	virtual BOOL	canCut() const;
+	virtual void	cut();
 
-	virtual void	paste();
 	virtual BOOL	canPaste() const;
+	virtual void	paste();
 
-	virtual void	doDelete();
 	virtual BOOL	canDoDelete() const;
+	virtual void	doDelete();
 
 	LLFolderViewItem* getNextUnselectedItem();
-	
+
 	// Public rename functionality - can only start the process
 	void startRenamingSelectedItem( void );
 
-	// These functions were used when there was only one folderview,
-	// and relied on that concept. This functionality is now handled
-	// by the listeners and the lldraganddroptool.
-	//LLFolderViewItem*	getMovingItem() { return mMovingItem; }
-	//void setMovingItem( LLFolderViewItem* item ) { mMovingItem = item; }
-	//void				dragItemIntoFolder( LLFolderViewItem* moving_item, LLFolderViewFolder* dst_folder, BOOL drop, BOOL* accept );
-	//void				dragFolderIntoFolder( LLFolderViewFolder* moving_folder, LLFolderViewFolder* dst_folder, BOOL drop, BOOL* accept );
-
 	// LLView functionality
 	///*virtual*/ BOOL handleKey( KEY key, MASK mask, BOOL called_from_parent );
 	/*virtual*/ BOOL handleKeyHere( KEY key, MASK mask );
@@ -250,16 +216,9 @@ public:
 	BOOL getShowSingleSelection() { return mShowSingleSelection; }
 	F32  getSelectionFadeElapsedTime() { return mMultiSelectionFadeTimer.getElapsedTimeF32(); }
 	bool getUseEllipses() { return mUseEllipses; }
+	S32 getSelectedCount() { return (S32)mSelectedItems.size(); }
 
-	void addItemID(const LLUUID& id, LLFolderViewItem* itemp);
-	void removeItemID(const LLUUID& id);
-	LLFolderViewItem* getItemByID(const LLUUID& id);
-	LLFolderViewFolder* getFolderByID(const LLUUID& id);
-	
-	bool doToSelected(LLInventoryModel* model, const LLSD& userdata);
-	
-	void	doIdle();						// Real idle routine
-	static void idle(void* user_data);		// static glue to doIdle()
+	void	update();						// needs to be called periodically (e.g. once per frame)
 
 	BOOL needsAutoSelect() { return mNeedsAutoSelect && !mAutoSelectOverride; }
 	BOOL needsAutoRename() { return mNeedsAutoRename; }
@@ -267,9 +226,9 @@ public:
 	void setPinningSelectedItem(BOOL val) { mPinningSelectedItem = val; }
 	void setAutoSelectOverride(BOOL val) { mAutoSelectOverride = val; }
 
-	void setCallbackRegistrar(LLUICtrl::CommitCallbackRegistry::ScopedRegistrar* registrar) { mCallbackRegistrar = registrar; }
+	bool showItemLinkOverlays() { return mShowItemLinkOverlays; }
 
-	BOOL getDebugFilters() { return mDebugFilters; }
+	void setCallbackRegistrar(LLUICtrl::CommitCallbackRegistry::ScopedRegistrar* registrar) { mCallbackRegistrar = registrar; }
 
 	LLPanel* getParentPanel() { return mParentPanel; }
 	// DEBUG only
@@ -298,7 +257,6 @@ protected:
 	
 	BOOL addNoOptions(LLMenuGL* menu) const;
 
-	void onItemsRemovalConfirmation(const LLSD& notification, const LLSD& response);
 
 protected:
 	LLHandle<LLView>					mPopupMenuHandle;
@@ -309,7 +267,6 @@ protected:
 	BOOL							mAllowMultiSelect;
 	BOOL							mShowEmptyMessage;
 	BOOL							mShowFolderHierarchy;
-	LLUUID							mSourceID;
 
 	// Renaming variables and methods
 	LLFolderViewItem*				mRenameItem;  // The item currently being renamed
@@ -322,15 +279,13 @@ protected:
 	BOOL							mAutoSelectOverride;
 	BOOL							mNeedsAutoRename;
 	bool							mUseLabelSuffix;
+	bool							mShowItemLinkOverlays;
 	
-	BOOL							mDebugFilters;
-	U32								mSortOrder;
 	LLDepthStack<LLFolderViewFolder>	mAutoOpenItems;
 	LLFolderViewFolder*				mAutoOpenCandidate;
 	LLFrameTimer					mAutoOpenTimer;
 	LLFrameTimer					mSearchTimer;
 	std::string						mSearchString;
-	LLInventoryFilter*				mFilter;
 	BOOL							mShowSelectionContext;
 	BOOL							mShowSingleSelection;
 	LLFrameTimer					mMultiSelectionFadeTimer;
@@ -340,13 +295,11 @@ protected:
 	signal_t						mReshapeSignal;
 	S32								mSignalSelectCallback;
 	S32								mMinWidth;
-	S32								mRunningHeight;
-	std::map<LLUUID, LLFolderViewItem*> mItemMap;
 	BOOL							mDragAndDropThisFrame;
 	
-	LLUUID							mSelectThisID; // if non null, select this item
-	
 	LLPanel*						mParentPanel;
+	
+	LLFolderViewModelInterface*		mViewModel;
 
 	/**
 	 * Is used to determine if we need to cut text In LLFolderViewItem to avoid horizontal scroll.
@@ -367,11 +320,82 @@ public:
 
 };
 
-bool sort_item_name(LLFolderViewItem* a, LLFolderViewItem* b);
-bool sort_item_date(LLFolderViewItem* a, LLFolderViewItem* b);
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+// Class LLFolderViewFunctor
+//
+// Simple abstract base class for applying a functor to folders and
+// items in a folder view hierarchy. This is suboptimal for algorithms
+// that only work folders or only work on items, but I'll worry about
+// that later when it's determined to be too slow.
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+class LLFolderViewFunctor
+{
+public:
+	virtual ~LLFolderViewFunctor() {}
+	virtual void doFolder(LLFolderViewFolder* folder) = 0;
+	virtual void doItem(LLFolderViewItem* item) = 0;
+};
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+// Class LLSelectFirstFilteredItem
+//
+// This will select the first *item* found in the hierarchy. If no item can be
+// selected, the first matching folder will.
+// Since doFolder() is done first but we prioritize item selection, we let the 
+// first filtered folder set the selection and raise a folder flag.
+// The selection might be overridden by the first filtered item in doItem()  
+// which checks an item flag. Since doFolder() checks the item flag too, the first
+// item will still be selected if items were to be done first and folders second.
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+class LLSelectFirstFilteredItem : public LLFolderViewFunctor
+{
+public:
+	LLSelectFirstFilteredItem() : mItemSelected(FALSE), mFolderSelected(FALSE) {}
+	virtual ~LLSelectFirstFilteredItem() {}
+	virtual void doFolder(LLFolderViewFolder* folder);
+	virtual void doItem(LLFolderViewItem* item);
+	BOOL wasItemSelected() { return mItemSelected || mFolderSelected; }
+protected:
+	BOOL mItemSelected;
+	BOOL mFolderSelected;
+};
+
+class LLOpenFilteredFolders : public LLFolderViewFunctor
+{
+public:
+	LLOpenFilteredFolders()  {}
+	virtual ~LLOpenFilteredFolders() {}
+	virtual void doFolder(LLFolderViewFolder* folder);
+	virtual void doItem(LLFolderViewItem* item);
+};
+
+class LLSaveFolderState : public LLFolderViewFunctor
+{
+public:
+	LLSaveFolderState() : mApply(FALSE) {}
+	virtual ~LLSaveFolderState() {}
+	virtual void doFolder(LLFolderViewFolder* folder);
+	virtual void doItem(LLFolderViewItem* item) {}
+	void setApply(BOOL apply);
+	void clearOpenFolders() { mOpenFolders.clear(); }
+protected:
+	std::set<LLUUID> mOpenFolders;
+	BOOL mApply;
+};
+
+class LLOpenFoldersWithSelection : public LLFolderViewFunctor
+{
+public:
+	LLOpenFoldersWithSelection() {}
+	virtual ~LLOpenFoldersWithSelection() {}
+	virtual void doFolder(LLFolderViewFolder* folder);
+	virtual void doItem(LLFolderViewItem* item);
+};
 
 // Flags for buildContextMenu()
 const U32 SUPPRESS_OPEN_ITEM = 0x1;
 const U32 FIRST_SELECTED_ITEM = 0x2;
+const U32 ITEM_IN_MULTI_SELECTION = 0x4;
 
 #endif // LL_LLFOLDERVIEW_H
diff --git a/indra/llui/llfolderviewitem.cpp b/indra/llui/llfolderviewitem.cpp
new file mode 100755
index 0000000000..f67c134751
--- /dev/null
+++ b/indra/llui/llfolderviewitem.cpp
@@ -0,0 +1,2095 @@
+/** 
+* @file llfolderviewitem.cpp
+* @brief Items and folders that can appear in a hierarchical folder view
+*
+* $LicenseInfo:firstyear=2001&license=viewerlgpl$
+* Second Life Viewer Source Code
+* Copyright (C) 2010, Linden Research, Inc.
+* 
+* This library is free software; you can redistribute it and/or
+* modify it under the terms of the GNU Lesser General Public
+* License as published by the Free Software Foundation;
+* version 2.1 of the License only.
+* 
+* This library is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+* Lesser General Public License for more details.
+* 
+* You should have received a copy of the GNU Lesser General Public
+* License along with this library; if not, write to the Free Software
+* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+* 
+* Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+* $/LicenseInfo$
+*/
+#include "../newview/llviewerprecompiledheaders.h"
+
+#include "llflashtimer.h"
+
+#include "linden_common.h"
+#include "llfolderviewitem.h"
+#include "llfolderview.h"
+#include "llfolderviewmodel.h"
+#include "llpanel.h"
+#include "llcriticaldamp.h"
+#include "llclipboard.h"
+#include "llfocusmgr.h"		// gFocusMgr
+#include "lltrans.h"
+#include "llwindow.h"
+
+///----------------------------------------------------------------------------
+/// Class LLFolderViewItem
+///----------------------------------------------------------------------------
+
+static LLDefaultChildRegistry::Register<LLFolderViewItem> r("folder_view_item");
+
+// statics 
+std::map<U8, LLFontGL*> LLFolderViewItem::sFonts; // map of styles to fonts
+
+bool LLFolderViewItem::sColorSetInitialized = false;
+LLUIColor LLFolderViewItem::sFgColor;
+LLUIColor LLFolderViewItem::sHighlightBgColor;
+LLUIColor LLFolderViewItem::sFlashBgColor;
+LLUIColor LLFolderViewItem::sFocusOutlineColor;
+LLUIColor LLFolderViewItem::sMouseOverColor;
+LLUIColor LLFolderViewItem::sFilterBGColor;
+LLUIColor LLFolderViewItem::sFilterTextColor;
+LLUIColor LLFolderViewItem::sSuffixColor;
+LLUIColor LLFolderViewItem::sSearchStatusColor;
+
+// only integers can be initialized in header
+const F32 LLFolderViewItem::FOLDER_CLOSE_TIME_CONSTANT = 0.02f;
+const F32 LLFolderViewItem::FOLDER_OPEN_TIME_CONSTANT = 0.03f;
+
+const LLColor4U DEFAULT_WHITE(255, 255, 255);
+
+
+//static
+LLFontGL* LLFolderViewItem::getLabelFontForStyle(U8 style)
+{
+	LLFontGL* rtn = sFonts[style];
+	if (!rtn) // grab label font with this style, lazily
+	{
+		LLFontDescriptor labelfontdesc("SansSerif", "Small", style);
+		rtn = LLFontGL::getFont(labelfontdesc);
+		if (!rtn)
+		{
+			rtn = LLFontGL::getFontDefault();
+		}
+		sFonts[style] = rtn;
+	}
+	return rtn;
+}
+
+//static
+void LLFolderViewItem::initClass()
+{
+}
+
+//static
+void LLFolderViewItem::cleanupClass()
+{
+	sFonts.clear();
+}
+
+
+// NOTE: Optimize this, we call it a *lot* when opening a large inventory
+LLFolderViewItem::Params::Params()
+:	root(),
+	listener(),
+	folder_arrow_image("folder_arrow_image"),
+	folder_indentation("folder_indentation"),
+	selection_image("selection_image"),
+	item_height("item_height"),
+	item_top_pad("item_top_pad"),
+	creation_date(),
+	allow_open("allow_open", true),
+	font_color("font_color"),
+	font_highlight_color("font_highlight_color"),
+    left_pad("left_pad", 0),
+    icon_pad("icon_pad", 0),
+    icon_width("icon_width", 0),
+    text_pad("text_pad", 0),
+    text_pad_right("text_pad_right", 0),
+    arrow_size("arrow_size", 0),
+    max_folder_item_overlap("max_folder_item_overlap", 0)
+{ }
+
+// Default constructor
+LLFolderViewItem::LLFolderViewItem(const LLFolderViewItem::Params& p)
+:	LLView(p),
+	mLabelWidth(0),
+	mLabelWidthDirty(false),
+    mLabelPaddingRight(DEFAULT_LABEL_PADDING_RIGHT),
+	mParentFolder( NULL ),
+	mIsSelected( FALSE ),
+	mIsCurSelection( FALSE ),
+	mSelectPending(FALSE),
+	mLabelStyle( LLFontGL::NORMAL ),
+	mHasVisibleChildren(FALSE),
+    mLocalIndentation(p.folder_indentation),
+	mIndentation(0),
+	mItemHeight(p.item_height),
+	mControlLabelRotation(0.f),
+	mDragAndDropTarget(FALSE),
+	mLabel(p.name),
+	mRoot(p.root),
+	mViewModelItem(p.listener),
+	mIsMouseOverTitle(false),
+	mAllowOpen(p.allow_open),
+	mFontColor(p.font_color),
+	mFontHighlightColor(p.font_highlight_color),
+    mLeftPad(p.left_pad),
+    mIconPad(p.icon_pad),
+    mIconWidth(p.icon_width),
+    mTextPad(p.text_pad),
+    mTextPadRight(p.text_pad_right),
+    mArrowSize(p.arrow_size),
+    mMaxFolderItemOverlap(p.max_folder_item_overlap)
+{
+	if (!sColorSetInitialized)
+	{
+		sFgColor = LLUIColorTable::instance().getColor("MenuItemEnabledColor", DEFAULT_WHITE);
+		sHighlightBgColor = LLUIColorTable::instance().getColor("MenuItemHighlightBgColor", DEFAULT_WHITE);
+		sFlashBgColor = LLUIColorTable::instance().getColor("MenuItemFlashBgColor", DEFAULT_WHITE);
+		sFocusOutlineColor = LLUIColorTable::instance().getColor("InventoryFocusOutlineColor", DEFAULT_WHITE);
+		sMouseOverColor = LLUIColorTable::instance().getColor("InventoryMouseOverColor", DEFAULT_WHITE);
+		sFilterBGColor = LLUIColorTable::instance().getColor("FilterBackgroundColor", DEFAULT_WHITE);
+		sFilterTextColor = LLUIColorTable::instance().getColor("FilterTextColor", DEFAULT_WHITE);
+		sSuffixColor = LLUIColorTable::instance().getColor("InventoryItemColor", DEFAULT_WHITE);
+		sSearchStatusColor = LLUIColorTable::instance().getColor("InventorySearchStatusColor", DEFAULT_WHITE);
+		sColorSetInitialized = true;
+	}
+
+	if (mViewModelItem)
+	{
+		mViewModelItem->setFolderViewItem(this);
+	}
+}
+
+// Destroys the object
+LLFolderViewItem::~LLFolderViewItem()
+{
+	mViewModelItem = NULL;
+}
+
+BOOL LLFolderViewItem::postBuild()
+{
+	refresh();
+	return TRUE;
+}
+
+
+LLFolderView* LLFolderViewItem::getRoot()
+{
+	return mRoot;
+}
+
+const LLFolderView* LLFolderViewItem::getRoot() const
+{
+	return mRoot;
+}
+// Returns true if this object is a child (or grandchild, etc.) of potential_ancestor.
+BOOL LLFolderViewItem::isDescendantOf( const LLFolderViewFolder* potential_ancestor )
+{
+	LLFolderViewItem* root = this;
+	while( root->mParentFolder )
+	{
+		if( root->mParentFolder == potential_ancestor )
+		{
+			return TRUE;
+		}
+		root = root->mParentFolder;
+	}
+	return FALSE;
+}
+
+LLFolderViewItem* LLFolderViewItem::getNextOpenNode(BOOL include_children)
+{
+	if (!mParentFolder)
+	{
+		return NULL;
+	}
+
+	LLFolderViewItem* itemp = mParentFolder->getNextFromChild( this, include_children );
+	while(itemp && !itemp->getVisible())
+	{
+		LLFolderViewItem* next_itemp = itemp->mParentFolder->getNextFromChild( itemp, include_children );
+		if (itemp == next_itemp) 
+		{
+			// hit last item
+			return itemp->getVisible() ? itemp : this;
+		}
+		itemp = next_itemp;
+	}
+
+	return itemp;
+}
+
+LLFolderViewItem* LLFolderViewItem::getPreviousOpenNode(BOOL include_children)
+{
+	if (!mParentFolder)
+	{
+		return NULL;
+	}
+
+	LLFolderViewItem* itemp = mParentFolder->getPreviousFromChild( this, include_children );
+
+	// Skip over items that are invisible or are hidden from the UI.
+	while(itemp && !itemp->getVisible())
+	{
+		LLFolderViewItem* next_itemp = itemp->mParentFolder->getPreviousFromChild( itemp, include_children );
+		if (itemp == next_itemp) 
+		{
+			// hit first item
+			return itemp->getVisible() ? itemp : this;
+		}
+		itemp = next_itemp;
+	}
+
+	return itemp;
+}
+
+BOOL LLFolderViewItem::passedFilter(S32 filter_generation) 
+{
+	return getViewModelItem()->passedFilter(filter_generation);
+}
+
+void LLFolderViewItem::refresh()
+{
+	LLFolderViewModelItem& vmi = *getViewModelItem();
+
+	mLabel = vmi.getDisplayName();
+
+	setToolTip(vmi.getName());
+	mIcon = vmi.getIcon();
+	mIconOpen = vmi.getIconOpen();
+	mIconOverlay = vmi.getIconOverlay();
+
+	if (mRoot->useLabelSuffix())
+	{
+		mLabelStyle = vmi.getLabelStyle();
+		mLabelSuffix = vmi.getLabelSuffix();
+	}
+
+	mLabelWidthDirty = true;
+	vmi.dirtyFilter();
+}
+
+// Utility function for LLFolderView
+void LLFolderViewItem::arrangeAndSet(BOOL set_selection,
+									 BOOL take_keyboard_focus)
+{
+	LLFolderView* root = getRoot();
+	if (getParentFolder())
+	{
+	getParentFolder()->requestArrange();
+	}
+	if(set_selection)
+	{
+		getRoot()->setSelection(this, TRUE, take_keyboard_focus);
+		if(root)
+		{
+			root->scrollToShowSelection();
+		}
+	}		
+}
+
+
+std::set<LLFolderViewItem*> LLFolderViewItem::getSelectionList() const
+{
+	std::set<LLFolderViewItem*> selection;
+	return selection;
+}
+
+// addToFolder() returns TRUE if it succeeds. FALSE otherwise
+void LLFolderViewItem::addToFolder(LLFolderViewFolder* folder)
+{
+	folder->addItem(this);
+}
+
+
+// Finds width and height of this object and its children.  Also
+// makes sure that this view and its children are the right size.
+S32 LLFolderViewItem::arrange( S32* width, S32* height )
+{
+	// Only indent deeper items in hierarchy
+	mIndentation = (getParentFolder())
+		? getParentFolder()->getIndentation() + mLocalIndentation
+		: 0;
+	if (mLabelWidthDirty)
+	{
+		mLabelWidth = getLabelXPos() + getLabelFontForStyle(mLabelStyle)->getWidth(mLabel) + getLabelFontForStyle(mLabelStyle)->getWidth(mLabelSuffix) + mLabelPaddingRight; 
+		mLabelWidthDirty = false;
+	}
+
+	*width = llmax(*width, mLabelWidth); 
+
+	// determine if we need to use ellipses to avoid horizontal scroll. EXT-719
+	bool use_ellipses = getRoot()->getUseEllipses();
+	if (use_ellipses)
+	{
+		// limit to set rect to avoid horizontal scrollbar
+		*width = llmin(*width, getRoot()->getRect().getWidth());
+	}
+	*height = getItemHeight();
+	return *height;
+}
+
+S32 LLFolderViewItem::getItemHeight()
+{
+	return mItemHeight;
+}
+
+S32 LLFolderViewItem::getLabelXPos()
+{
+    return getIndentation() + mArrowSize + mTextPad + mIconWidth + mIconPad;
+}
+
+S32 LLFolderViewItem::getIconPad()
+{
+    return mIconPad;
+}
+
+S32 LLFolderViewItem::getTextPad()
+{
+    return mTextPad;
+}
+
+// *TODO: This can be optimized a lot by simply recording that it is
+// selected in the appropriate places, and assuming that set selection
+// means 'deselect' for a leaf item. Do this optimization after
+// multiple selection is implemented to make sure it all plays nice
+// together.
+BOOL LLFolderViewItem::setSelection(LLFolderViewItem* selection, BOOL openitem, BOOL take_keyboard_focus)
+{
+	if (selection == this && !mIsSelected)
+	{
+		selectItem();
+	}
+	else if (mIsSelected)	// Deselect everything else.
+	{
+		deselectItem();
+	}
+	return mIsSelected;
+}
+
+BOOL LLFolderViewItem::changeSelection(LLFolderViewItem* selection, BOOL selected)
+{
+	if (selection == this)
+	{
+		if (mIsSelected)
+		{
+			deselectItem();
+		}
+		else
+		{
+			selectItem();
+		}
+		return TRUE;
+	}
+	return FALSE;
+}
+
+void LLFolderViewItem::deselectItem(void)
+{
+	mIsSelected = FALSE;
+}
+
+void LLFolderViewItem::selectItem(void)
+{
+	if (mIsSelected == FALSE)
+	{
+		mIsSelected = TRUE;
+		getViewModelItem()->selectItem();
+	}
+}
+
+BOOL LLFolderViewItem::isMovable()
+{
+	return getViewModelItem()->isItemMovable();
+}
+
+BOOL LLFolderViewItem::isRemovable()
+{
+	return getViewModelItem()->isItemRemovable();
+}
+
+void LLFolderViewItem::destroyView()
+{
+	getRoot()->removeFromSelectionList(this);
+
+	if (mParentFolder)
+	{
+		// removeView deletes me
+		mParentFolder->extractItem(this);
+	}
+	delete this;
+}
+
+// Call through to the viewed object and return true if it can be
+// removed.
+//BOOL LLFolderViewItem::removeRecursively(BOOL single_item)
+BOOL LLFolderViewItem::remove()
+{
+	if(!isRemovable())
+	{
+		return FALSE;
+	}
+	return getViewModelItem()->removeItem();
+}
+
+// Build an appropriate context menu for the item.
+void LLFolderViewItem::buildContextMenu(LLMenuGL& menu, U32 flags)
+{
+	getViewModelItem()->buildContextMenu(menu, flags);
+}
+
+void LLFolderViewItem::openItem( void )
+{
+	if (mAllowOpen)
+	{
+		getViewModelItem()->openItem();
+	}
+}
+
+void LLFolderViewItem::rename(const std::string& new_name)
+{
+	if( !new_name.empty() )
+	{
+		getViewModelItem()->renameItem(new_name);
+	}
+}
+
+const std::string& LLFolderViewItem::getName( void ) const
+{
+	static const std::string noName("");
+	return getViewModelItem() ? getViewModelItem()->getName() : noName;
+}
+
+// LLView functionality
+BOOL LLFolderViewItem::handleRightMouseDown( S32 x, S32 y, MASK mask )
+{
+	if(!mIsSelected)
+	{
+		getRoot()->setSelection(this, FALSE);
+	}
+	make_ui_sound("UISndClick");
+	return TRUE;
+}
+
+BOOL LLFolderViewItem::handleMouseDown( S32 x, S32 y, MASK mask )
+{
+	if (LLView::childrenHandleMouseDown(x, y, mask))
+	{
+		return TRUE;
+	}
+	
+	// No handler needed for focus lost since this class has no
+	// state that depends on it.
+	gFocusMgr.setMouseCapture( this );
+    
+	if (!mIsSelected)
+	{
+		if(mask & MASK_CONTROL)
+		{
+			getRoot()->changeSelection(this, !mIsSelected);
+		}
+		else if (mask & MASK_SHIFT)
+		{
+			getParentFolder()->extendSelectionTo(this);
+		}
+		else
+		{
+			getRoot()->setSelection(this, FALSE);
+		}
+		make_ui_sound("UISndClick");
+	}
+	else
+	{
+		// If selected, we reserve the decision of deselecting/reselecting to the mouse up moment.
+		// This is necessary so we maintain selection consistent when starting a drag.
+		mSelectPending = TRUE;
+	}
+
+	mDragStartX = x;
+	mDragStartY = y;
+	return TRUE;
+}
+
+BOOL LLFolderViewItem::handleHover( S32 x, S32 y, MASK mask )
+{
+	static LLCachedControl<S32> drag_and_drop_threshold(*LLUI::sSettingGroups["config"],"DragAndDropDistanceThreshold");
+
+	mIsMouseOverTitle = (y > (getRect().getHeight() - mItemHeight));
+
+	if( hasMouseCapture() && isMovable() )
+	{
+			LLFolderView* root = getRoot();
+
+		if( (x - mDragStartX) * (x - mDragStartX) + (y - mDragStartY) * (y - mDragStartY) > drag_and_drop_threshold() * drag_and_drop_threshold() 
+			&& root->getCurSelectedItem()
+			&& root->startDrag())
+		{
+					// RN: when starting drag and drop, clear out last auto-open
+					root->autoOpenTest(NULL);
+					root->setShowSelectionContext(TRUE);
+
+					// Release keyboard focus, so that if stuff is dropped into the
+					// world, pressing the delete key won't blow away the inventory
+					// item.
+					gFocusMgr.setKeyboardFocus(NULL);
+
+			getWindow()->setCursor(UI_CURSOR_ARROW);
+		}
+		else if (x != mDragStartX || y != mDragStartY)
+		{
+			getWindow()->setCursor(UI_CURSOR_NOLOCKED);
+		}
+
+		return TRUE;
+	}
+	else
+	{
+		getRoot()->setShowSelectionContext(FALSE);
+		getWindow()->setCursor(UI_CURSOR_ARROW);
+		// let parent handle this then...
+		return FALSE;
+	}
+}
+
+
+BOOL LLFolderViewItem::handleDoubleClick( S32 x, S32 y, MASK mask )
+{
+	openItem();
+	return TRUE;
+}
+
+BOOL LLFolderViewItem::handleMouseUp( S32 x, S32 y, MASK mask )
+{
+	if (LLView::childrenHandleMouseUp(x, y, mask))
+	{
+		return TRUE;
+	}
+	
+	// if mouse hasn't moved since mouse down...
+	if ( pointInView(x, y) && mSelectPending )
+	{
+		//...then select
+		if(mask & MASK_CONTROL)
+		{
+			getRoot()->changeSelection(this, !mIsSelected);
+		}
+		else if (mask & MASK_SHIFT)
+		{
+			getParentFolder()->extendSelectionTo(this);
+		}
+		else
+		{
+			getRoot()->setSelection(this, FALSE);
+		}
+	}
+
+	mSelectPending = FALSE;
+
+	if( hasMouseCapture() )
+	{
+		if (getRoot())
+		{
+		getRoot()->setShowSelectionContext(FALSE);
+		}
+		gFocusMgr.setMouseCapture( NULL );
+	}
+	return TRUE;
+}
+
+void LLFolderViewItem::onMouseLeave(S32 x, S32 y, MASK mask)
+{
+	mIsMouseOverTitle = false;
+}
+
+BOOL LLFolderViewItem::handleDragAndDrop(S32 x, S32 y, MASK mask, BOOL drop,
+										 EDragAndDropType cargo_type,
+										 void* cargo_data,
+										 EAcceptance* accept,
+										 std::string& tooltip_msg)
+{
+	BOOL handled = FALSE;
+	BOOL accepted = getViewModelItem()->dragOrDrop(mask,drop,cargo_type,cargo_data, tooltip_msg);
+		handled = accepted;
+		if (accepted)
+		{
+			mDragAndDropTarget = TRUE;
+			*accept = ACCEPT_YES_MULTI;
+		}
+		else
+		{
+			*accept = ACCEPT_NO;
+		}
+	if(mParentFolder && !handled)
+	{
+		// store this item to get it in LLFolderBridge::dragItemIntoFolder on drop event.
+		mRoot->setDraggingOverItem(this);
+		handled = mParentFolder->handleDragAndDropFromChild(mask,drop,cargo_type,cargo_data,accept,tooltip_msg);
+		mRoot->setDraggingOverItem(NULL);
+	}
+	if (handled)
+	{
+		lldebugst(LLERR_USER_INPUT) << "dragAndDrop handled by LLFolderViewItem" << llendl;
+	}
+
+	return handled;
+}
+
+void LLFolderViewItem::drawOpenFolderArrow(const Params& default_params, const LLUIColor& fg_color)
+{
+	//--------------------------------------------------------------------------------//
+	// Draw open folder arrow
+	//
+	const S32 TOP_PAD = default_params.item_top_pad;
+
+	if (hasVisibleChildren() || getViewModelItem()->hasChildren())
+	{
+		LLUIImage* arrow_image = default_params.folder_arrow_image;
+		gl_draw_scaled_rotated_image(
+			mIndentation, getRect().getHeight() - mArrowSize - mTextPad - TOP_PAD,
+			mArrowSize, mArrowSize, mControlLabelRotation, arrow_image->getImage(), fg_color);
+	}
+}
+
+/*virtual*/ bool LLFolderViewItem::isHighlightAllowed()
+{
+	return mIsSelected;
+}
+
+/*virtual*/ bool LLFolderViewItem::isHighlightActive()
+{
+	return mIsCurSelection;
+}
+
+void LLFolderViewItem::drawHighlight(const BOOL showContent, const BOOL hasKeyboardFocus, const LLUIColor &selectColor, const LLUIColor &flashColor,  
+                                                        const LLUIColor &focusOutlineColor, const LLUIColor &mouseOverColor)
+{
+    const S32 focus_top = getRect().getHeight();
+    const S32 focus_bottom = getRect().getHeight() - mItemHeight;
+    const bool folder_open = (getRect().getHeight() > mItemHeight + 4);
+    const S32 FOCUS_LEFT = 1;
+	
+	// Determine which background color to use for highlighting
+	LLUIColor bgColor = (isFlashing() ? flashColor : selectColor);
+
+    //--------------------------------------------------------------------------------//
+    // Draw highlight for selected items
+	// Note: Always render "current" item or flashing item, only render other selected 
+	// items if mShowSingleSelection is FALSE.
+    //
+    if (isHighlightAllowed())	
+    							
+    {
+        gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+		
+		// Highlight for selected but not current items
+        if (!isHighlightActive() && !isFlashing())
+        {
+			LLColor4 bg_color = bgColor;
+            // do time-based fade of extra objects
+            F32 fade_time = (getRoot() ? getRoot()->getSelectionFadeElapsedTime() : 0.0f);
+            if (getRoot() && getRoot()->getShowSingleSelection())
+            {
+                // fading out
+                bg_color.mV[VALPHA] = clamp_rescale(fade_time, 0.f, 0.4f, bg_color.mV[VALPHA], 0.f);
+            }
+            else
+            {
+                // fading in
+                bg_color.mV[VALPHA] = clamp_rescale(fade_time, 0.f, 0.4f, 0.f, bg_color.mV[VALPHA]);
+            }
+        	gl_rect_2d(FOCUS_LEFT,
+					   focus_top,
+					   getRect().getWidth() - 2,
+					   focus_bottom,
+					   bg_color, hasKeyboardFocus);
+        }
+
+		// Highlight for currently selected or flashing item
+        if (isHighlightActive())
+        {
+			// Background
+        	gl_rect_2d(FOCUS_LEFT,
+                focus_top,
+                getRect().getWidth() - 2,
+                focus_bottom,
+                bgColor, hasKeyboardFocus);
+			// Outline
+            gl_rect_2d(FOCUS_LEFT, 
+                focus_top, 
+                getRect().getWidth() - 2,
+                focus_bottom,
+                focusOutlineColor, FALSE);
+        }
+
+        if (folder_open)
+        {
+            gl_rect_2d(FOCUS_LEFT,
+                focus_bottom + 1, // overlap with bottom edge of above rect
+                getRect().getWidth() - 2,
+                0,
+                focusOutlineColor, FALSE);
+            if (showContent && !isFlashing())
+            {
+                gl_rect_2d(FOCUS_LEFT,
+                    focus_bottom + 1,
+                    getRect().getWidth() - 2,
+                    0,
+                    bgColor, TRUE);
+            }
+        }
+    }
+    else if (mIsMouseOverTitle)
+    {
+        gl_rect_2d(FOCUS_LEFT,
+            focus_top, 
+            getRect().getWidth() - 2,
+            focus_bottom,
+            mouseOverColor, FALSE);
+    }
+
+    //--------------------------------------------------------------------------------//
+    // Draw DragNDrop highlight
+    //
+    if (mDragAndDropTarget)
+    {
+        gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+        gl_rect_2d(FOCUS_LEFT, 
+            focus_top, 
+            getRect().getWidth() - 2,
+            focus_bottom,
+            bgColor, FALSE);
+        if (folder_open)
+        {
+            gl_rect_2d(FOCUS_LEFT,
+                focus_bottom + 1, // overlap with bottom edge of above rect
+                getRect().getWidth() - 2,
+                0,
+                bgColor, FALSE);
+        }
+        mDragAndDropTarget = FALSE;
+    }
+}
+
+void LLFolderViewItem::drawLabel(const LLFontGL * font, const F32 x, const F32 y, const LLColor4& color, F32 &right_x)
+{
+    //--------------------------------------------------------------------------------//
+    // Draw the actual label text
+    //
+    font->renderUTF8(mLabel, 0, x, y, color,
+        LLFontGL::LEFT, LLFontGL::BOTTOM, LLFontGL::NORMAL, LLFontGL::NO_SHADOW,
+        S32_MAX, getRect().getWidth() - (S32) x - mLabelPaddingRight, &right_x, TRUE);
+}
+
+void LLFolderViewItem::draw()
+{
+    const BOOL show_context = (getRoot() ? getRoot()->getShowSelectionContext() : FALSE);
+    const BOOL filled = show_context || (getRoot() ? getRoot()->getParentPanel()->hasFocus() : FALSE); // If we have keyboard focus, draw selection filled
+
+	const Params& default_params = LLUICtrlFactory::getDefaultParams<LLFolderViewItem>();
+	const S32 TOP_PAD = default_params.item_top_pad;
+	
+	const LLFontGL* font = getLabelFontForStyle(mLabelStyle);
+
+    getViewModelItem()->update();
+
+    drawOpenFolderArrow(default_params, sFgColor);
+
+    drawHighlight(show_context, filled, sHighlightBgColor, sFlashBgColor, sFocusOutlineColor, sMouseOverColor);
+
+	//--------------------------------------------------------------------------------//
+	// Draw open icon
+	//
+	const S32 icon_x = mIndentation + mArrowSize + mTextPad;
+	if (!mIconOpen.isNull() && (llabs(mControlLabelRotation) > 80)) // For open folders
+ 	{
+		mIconOpen->draw(icon_x, getRect().getHeight() - mIconOpen->getHeight() - TOP_PAD + 1);
+	}
+	else if (mIcon)
+	{
+ 		mIcon->draw(icon_x, getRect().getHeight() - mIcon->getHeight() - TOP_PAD + 1);
+ 	}
+
+	if (mIconOverlay && getRoot()->showItemLinkOverlays())
+	{
+		mIconOverlay->draw(icon_x, getRect().getHeight() - mIcon->getHeight() - TOP_PAD + 1);
+	}
+
+	//--------------------------------------------------------------------------------//
+	// Exit if no label to draw
+	//
+	if (mLabel.empty())
+	{
+		return;
+	}
+
+	std::string::size_type filter_string_length = mViewModelItem->hasFilterStringMatch() ? mViewModelItem->getFilterStringSize() : 0;
+	F32 right_x  = 0;
+	F32 y = (F32)getRect().getHeight() - font->getLineHeight() - (F32)mTextPad - (F32)TOP_PAD;
+	F32 text_left = (F32)getLabelXPos();
+	std::string combined_string = mLabel + mLabelSuffix;
+
+	if (filter_string_length > 0)
+	{
+		S32 left = llround(text_left) + font->getWidth(combined_string, 0, mViewModelItem->getFilterStringOffset()) - 2;
+		S32 right = left + font->getWidth(combined_string, mViewModelItem->getFilterStringOffset(), filter_string_length) + 2;
+		S32 bottom = llfloor(getRect().getHeight() - font->getLineHeight() - 3 - TOP_PAD);
+		S32 top = getRect().getHeight() - TOP_PAD;
+
+		LLUIImage* box_image = default_params.selection_image;
+		LLRect box_rect(left, top, right, bottom);
+		box_image->draw(box_rect, sFilterBGColor);
+    }
+
+    LLColor4 color = (mIsSelected && filled) ? mFontHighlightColor : mFontColor;
+    drawLabel(font, text_left, y, color, right_x);
+
+	//--------------------------------------------------------------------------------//
+	// Draw label suffix
+	//
+	if (!mLabelSuffix.empty())
+	{
+		font->renderUTF8( mLabelSuffix, 0, right_x, y, sSuffixColor,
+						  LLFontGL::LEFT, LLFontGL::BOTTOM, LLFontGL::NORMAL, LLFontGL::NO_SHADOW,
+						  S32_MAX, S32_MAX, &right_x, FALSE );
+	}
+    
+	//--------------------------------------------------------------------------------//
+	// Highlight string match
+	//
+    if (filter_string_length > 0)
+    {
+        F32 match_string_left = text_left + font->getWidthF32(combined_string, 0, mViewModelItem->getFilterStringOffset());
+        F32 yy = (F32)getRect().getHeight() - font->getLineHeight() - (F32)mTextPad - (F32)TOP_PAD;
+        font->renderUTF8( combined_string, mViewModelItem->getFilterStringOffset(), match_string_left, yy,
+            sFilterTextColor, LLFontGL::LEFT, LLFontGL::BOTTOM, LLFontGL::NORMAL, LLFontGL::NO_SHADOW,
+            filter_string_length, S32_MAX, &right_x, FALSE );
+    }
+
+    //Gilbert Linden 9-20-2012: Although this should be legal, removing it because it causes the mLabelSuffix rendering to
+    //be distorted...oddly. I initially added this in but didn't need it after all. So removing to prevent unnecessary bug.
+    //LLView::draw();
+}
+
+const LLFolderViewModelInterface* LLFolderViewItem::getFolderViewModel( void ) const
+{
+	return getRoot()->getFolderViewModel();
+}
+
+LLFolderViewModelInterface* LLFolderViewItem::getFolderViewModel( void )
+{
+	return getRoot()->getFolderViewModel();
+}
+
+bool LLFolderViewItem::isInSelection() const
+{
+	return mIsSelected || (mParentFolder && mParentFolder->isInSelection());
+}
+
+
+
+///----------------------------------------------------------------------------
+/// Class LLFolderViewFolder
+///----------------------------------------------------------------------------
+
+LLFolderViewFolder::LLFolderViewFolder( const LLFolderViewItem::Params& p ): 
+	LLFolderViewItem( p ),
+	mIsOpen(FALSE),
+	mExpanderHighlighted(FALSE),
+	mCurHeight(0.f),
+	mTargetHeight(0.f),
+	mAutoOpenCountdown(0.f),
+	mLastArrangeGeneration( -1 ),
+	mLastCalculatedWidth(0)
+{
+}
+
+void LLFolderViewFolder::updateLabelRotation()
+{
+	if (mAutoOpenCountdown != 0.f)
+	{
+		mControlLabelRotation = mAutoOpenCountdown * -90.f;
+	}
+	else if (isOpen())
+	{
+		mControlLabelRotation = lerp(mControlLabelRotation, -90.f, LLCriticalDamp::getInterpolant(0.04f));
+	}
+	else
+	{
+		mControlLabelRotation = lerp(mControlLabelRotation, 0.f, LLCriticalDamp::getInterpolant(0.025f));
+	}
+}
+
+// Destroys the object
+LLFolderViewFolder::~LLFolderViewFolder( void )
+{
+	// The LLView base class takes care of object destruction. make sure that we
+	// don't have mouse or keyboard focus
+	gFocusMgr.releaseFocusIfNeeded( this ); // calls onCommit()
+}
+
+// addToFolder() returns TRUE if it succeeds. FALSE otherwise
+void LLFolderViewFolder::addToFolder(LLFolderViewFolder* folder)
+{
+	folder->addFolder(this);
+}
+
+static LLFastTimer::DeclareTimer FTM_ARRANGE("Arrange");
+
+// Finds width and height of this object and its children. Also
+// makes sure that this view and its children are the right size.
+S32 LLFolderViewFolder::arrange( S32* width, S32* height )
+{
+	// sort before laying out contents
+	getRoot()->getFolderViewModel()->sort(this);
+
+	LLFastTimer t2(FTM_ARRANGE);
+
+	// evaluate mHasVisibleChildren
+	mHasVisibleChildren = false;
+	if (getViewModelItem()->descendantsPassedFilter())
+	{
+		// We have to verify that there's at least one child that's not filtered out
+		bool found = false;
+		// Try the items first
+		for (items_t::iterator iit = mItems.begin(); iit != mItems.end(); ++iit)
+		{
+			LLFolderViewItem* itemp = (*iit);
+			found = itemp->passedFilter();
+			if (found)
+				break;
+		}
+		if (!found)
+		{
+			// If no item found, try the folders
+			for (folders_t::iterator fit = mFolders.begin(); fit != mFolders.end(); ++fit)
+			{
+				LLFolderViewFolder* folderp = (*fit);
+				found = folderp->passedFilter();
+				if (found)
+					break;
+			}
+		}
+
+		mHasVisibleChildren = found;
+	}
+
+	// calculate height as a single item (without any children), and reshapes rectangle to match
+	LLFolderViewItem::arrange( width, height );
+
+	// clamp existing animated height so as to never get smaller than a single item
+	mCurHeight = llmax((F32)*height, mCurHeight);
+
+	// initialize running height value as height of single item in case we have no children
+	F32 running_height = (F32)*height;
+	F32 target_height = (F32)*height;
+
+	// are my children visible?
+	if (needsArrange())
+	{
+		// set last arrange generation first, in case children are animating
+		// and need to be arranged again
+		mLastArrangeGeneration = getRoot()->getArrangeGeneration();
+		if (isOpen())
+		{
+			// Add sizes of children
+			S32 parent_item_height = getRect().getHeight();
+
+			for(folders_t::iterator fit = mFolders.begin(); fit != mFolders.end(); ++fit)
+			{
+				LLFolderViewFolder* folderp = (*fit);
+				folderp->setVisible(folderp->passedFilter()); // passed filter or has descendants that passed filter
+
+				if (folderp->getVisible())
+				{
+					S32 child_width = *width;
+					S32 child_height = 0;
+					S32 child_top = parent_item_height - llround(running_height);
+
+					target_height += folderp->arrange( &child_width, &child_height );
+
+					running_height += (F32)child_height;
+					*width = llmax(*width, child_width);
+					folderp->setOrigin( 0, child_top - folderp->getRect().getHeight() );
+				}
+			}
+			for(items_t::iterator iit = mItems.begin();
+				iit != mItems.end(); ++iit)
+			{
+				LLFolderViewItem* itemp = (*iit);
+				itemp->setVisible(itemp->passedFilter());
+
+				if (itemp->getVisible())
+				{
+					S32 child_width = *width;
+					S32 child_height = 0;
+					S32 child_top = parent_item_height - llround(running_height);
+
+					target_height += itemp->arrange( &child_width, &child_height );
+					// don't change width, as this item is as wide as its parent folder by construction
+					itemp->reshape( itemp->getRect().getWidth(), child_height);
+
+					running_height += (F32)child_height;
+					*width = llmax(*width, child_width);
+					itemp->setOrigin( 0, child_top - itemp->getRect().getHeight() );
+				}
+			}
+		}
+
+		mTargetHeight = target_height;
+		// cache this width so next time we can just return it
+		mLastCalculatedWidth = *width;
+	}
+	else
+	{
+		// just use existing width
+		*width = mLastCalculatedWidth;
+	}
+
+	// animate current height towards target height
+	if (llabs(mCurHeight - mTargetHeight) > 1.f)
+	{
+		mCurHeight = lerp(mCurHeight, mTargetHeight, LLCriticalDamp::getInterpolant(isOpen() ? FOLDER_OPEN_TIME_CONSTANT : FOLDER_CLOSE_TIME_CONSTANT));
+
+		requestArrange();
+
+		// hide child elements that fall out of current animated height
+		for (folders_t::iterator iter = mFolders.begin();
+			iter != mFolders.end();)
+		{
+			folders_t::iterator fit = iter++;
+			// number of pixels that bottom of folder label is from top of parent folder
+			if (getRect().getHeight() - (*fit)->getRect().mTop + (*fit)->getItemHeight() 
+				> llround(mCurHeight) + mMaxFolderItemOverlap)
+			{
+				// hide if beyond current folder height
+				(*fit)->setVisible(FALSE);
+			}
+		}
+
+		for (items_t::iterator iter = mItems.begin();
+			iter != mItems.end();)
+		{
+			items_t::iterator iit = iter++;
+			// number of pixels that bottom of item label is from top of parent folder
+			if (getRect().getHeight() - (*iit)->getRect().mBottom
+				> llround(mCurHeight) + mMaxFolderItemOverlap)
+			{
+				(*iit)->setVisible(FALSE);
+			}
+		}
+	}
+	else
+	{
+		mCurHeight = mTargetHeight;
+	}
+
+	// don't change width as this item is already as wide as its parent folder
+	reshape(getRect().getWidth(),llround(mCurHeight));
+
+	// pass current height value back to parent
+	*height = llround(mCurHeight);
+
+	return llround(mTargetHeight);
+}
+
+BOOL LLFolderViewFolder::needsArrange()
+{
+	return mLastArrangeGeneration < getRoot()->getArrangeGeneration(); 
+}
+
+// Passes selection information on to children and record selection
+// information if necessary.
+BOOL LLFolderViewFolder::setSelection(LLFolderViewItem* selection, BOOL openitem,
+                                      BOOL take_keyboard_focus)
+{
+	BOOL rv = FALSE;
+	if (selection == this)
+	{
+		if (!isSelected())
+		{
+			selectItem();
+		}
+		rv = TRUE;
+	}
+	else
+	{
+		if (isSelected())
+		{
+			deselectItem();
+		}
+		rv = FALSE;
+	}
+	BOOL child_selected = FALSE;
+
+	for (folders_t::iterator iter = mFolders.begin();
+		iter != mFolders.end();)
+	{
+		folders_t::iterator fit = iter++;
+		if((*fit)->setSelection(selection, openitem, take_keyboard_focus))
+		{
+			rv = TRUE;
+			child_selected = TRUE;
+		}
+	}
+	for (items_t::iterator iter = mItems.begin();
+		iter != mItems.end();)
+	{
+		items_t::iterator iit = iter++;
+		if((*iit)->setSelection(selection, openitem, take_keyboard_focus))
+		{
+			rv = TRUE;
+			child_selected = TRUE;
+		}
+	}
+	if(openitem && child_selected)
+	{
+		setOpenArrangeRecursively(TRUE);
+	}
+	return rv;
+}
+
+// This method is used to change the selection of an item.
+// Recursively traverse all children; if 'selection' is 'this' then change
+// the select status if necessary.
+// Returns TRUE if the selection state of this folder, or of a child, was changed.
+BOOL LLFolderViewFolder::changeSelection(LLFolderViewItem* selection, BOOL selected)
+{
+	BOOL rv = FALSE;
+	if(selection == this)
+	{
+		if (isSelected() != selected)
+		{
+			rv = TRUE;
+			if (selected)
+			{
+				selectItem();
+			}
+			else
+			{
+				deselectItem();
+			}
+		}
+	}
+
+	for (folders_t::iterator iter = mFolders.begin();
+		iter != mFolders.end();)
+	{
+		folders_t::iterator fit = iter++;
+		if((*fit)->changeSelection(selection, selected))
+		{
+			rv = TRUE;
+		}
+	}
+	for (items_t::iterator iter = mItems.begin();
+		iter != mItems.end();)
+	{
+		items_t::iterator iit = iter++;
+		if((*iit)->changeSelection(selection, selected))
+		{
+			rv = TRUE;
+		}
+	}
+	return rv;
+}
+
+LLFolderViewFolder* LLFolderViewFolder::getCommonAncestor(LLFolderViewItem* item_a, LLFolderViewItem* item_b, bool& reverse)
+{
+	if (!item_a->getParentFolder() || !item_b->getParentFolder()) return NULL;
+
+	std::deque<LLFolderViewFolder*> item_a_ancestors;
+
+	LLFolderViewFolder* parent = item_a->getParentFolder();
+	while(parent)
+	{
+		item_a_ancestors.push_back(parent);
+		parent = parent->getParentFolder();
+	}
+
+	std::deque<LLFolderViewFolder*> item_b_ancestors;
+	
+	parent = item_b->getParentFolder();
+	while(parent)
+	{
+		item_b_ancestors.push_back(parent);
+		parent = parent->getParentFolder();
+	}
+
+	LLFolderViewFolder* common_ancestor = item_a->getRoot();
+
+	while(item_a_ancestors.size() > item_b_ancestors.size())
+	{
+		item_a = item_a_ancestors.front();
+		item_a_ancestors.pop_front();
+	}
+
+	while(item_b_ancestors.size() > item_a_ancestors.size())
+	{
+		item_b = item_b_ancestors.front();
+		item_b_ancestors.pop_front();
+	}
+
+	while(item_a_ancestors.size())
+	{
+		common_ancestor = item_a_ancestors.front();
+
+		if (item_a_ancestors.front() == item_b_ancestors.front())
+		{
+			// which came first, sibling a or sibling b?
+			for (folders_t::iterator it = common_ancestor->mFolders.begin(), end_it = common_ancestor->mFolders.end();
+				it != end_it;
+				++it)
+			{
+				LLFolderViewItem* item = *it;
+
+				if (item == item_a)
+				{
+					reverse = false;
+					return common_ancestor;
+				}
+				if (item == item_b)
+				{
+					reverse = true;
+					return common_ancestor;
+				}
+			}
+
+			for (items_t::iterator it = common_ancestor->mItems.begin(), end_it = common_ancestor->mItems.end();
+				it != end_it;
+				++it)
+			{
+				LLFolderViewItem* item = *it;
+
+				if (item == item_a)
+				{
+					reverse = false;
+					return common_ancestor;
+				}
+				if (item == item_b)
+				{
+					reverse = true;
+					return common_ancestor;
+				}
+			}
+			break;
+		}
+
+		item_a = item_a_ancestors.front();
+		item_a_ancestors.pop_front();
+		item_b = item_b_ancestors.front();
+		item_b_ancestors.pop_front();
+	}
+
+	return NULL;
+}
+
+void LLFolderViewFolder::gatherChildRangeExclusive(LLFolderViewItem* start, LLFolderViewItem* end, bool reverse, std::vector<LLFolderViewItem*>& items)
+{
+	bool selecting = start == NULL;
+	if (reverse)
+	{
+		for (items_t::reverse_iterator it = mItems.rbegin(), end_it = mItems.rend();
+			it != end_it;
+			++it)
+		{
+			if (*it == end)
+			{
+				return;
+			}
+			if (selecting)
+			{
+				items.push_back(*it);
+			}
+
+			if (*it == start)
+			{
+				selecting = true;
+			}
+		}
+		for (folders_t::reverse_iterator it = mFolders.rbegin(), end_it = mFolders.rend();
+			it != end_it;
+			++it)
+		{
+			if (*it == end)
+			{
+				return;
+			}
+
+			if (selecting)
+			{
+				items.push_back(*it);
+			}
+
+			if (*it == start)
+			{
+				selecting = true;
+			}
+		}
+	}
+	else
+	{
+		for (folders_t::iterator it = mFolders.begin(), end_it = mFolders.end();
+			it != end_it;
+			++it)
+		{
+			if (*it == end)
+			{
+				return;
+			}
+
+			if (selecting)
+			{
+				items.push_back(*it);
+			}
+
+			if (*it == start)
+			{
+				selecting = true;
+			}
+		}
+		for (items_t::iterator it = mItems.begin(), end_it = mItems.end();
+			it != end_it;
+			++it)
+		{
+			if (*it == end)
+			{
+				return;
+			}
+
+			if (selecting)
+			{
+				items.push_back(*it);
+			}
+
+			if (*it == start)
+			{
+				selecting = true;
+			}
+		}
+	}
+}
+
+void LLFolderViewFolder::extendSelectionTo(LLFolderViewItem* new_selection)
+{
+	if (getRoot()->getAllowMultiSelect() == FALSE) return;
+
+	LLFolderViewItem* cur_selected_item = getRoot()->getCurSelectedItem();
+	if (cur_selected_item == NULL)
+	{
+		cur_selected_item = new_selection;
+	}
+
+
+	bool reverse = false;
+	LLFolderViewFolder* common_ancestor = getCommonAncestor(cur_selected_item, new_selection, reverse);
+	if (!common_ancestor) return;
+
+	LLFolderViewItem* last_selected_item_from_cur = cur_selected_item;
+	LLFolderViewFolder* cur_folder = cur_selected_item->getParentFolder();
+
+	std::vector<LLFolderViewItem*> items_to_select_forward;
+
+	while(cur_folder != common_ancestor)
+	{
+		cur_folder->gatherChildRangeExclusive(last_selected_item_from_cur, NULL, reverse, items_to_select_forward);
+			
+		last_selected_item_from_cur = cur_folder;
+		cur_folder = cur_folder->getParentFolder();
+	}
+
+	std::vector<LLFolderViewItem*> items_to_select_reverse;
+
+	LLFolderViewItem* last_selected_item_from_new = new_selection;
+	cur_folder = new_selection->getParentFolder();
+	while(cur_folder != common_ancestor)
+	{
+		cur_folder->gatherChildRangeExclusive(last_selected_item_from_new, NULL, !reverse, items_to_select_reverse);
+
+		last_selected_item_from_new = cur_folder;
+		cur_folder = cur_folder->getParentFolder();
+	}
+
+	common_ancestor->gatherChildRangeExclusive(last_selected_item_from_cur, last_selected_item_from_new, reverse, items_to_select_forward);
+
+	for (std::vector<LLFolderViewItem*>::reverse_iterator it = items_to_select_reverse.rbegin(), end_it = items_to_select_reverse.rend();
+		it != end_it;
+		++it)
+	{
+		items_to_select_forward.push_back(*it);
+	}
+
+	LLFolderView* root = getRoot();
+
+	for (std::vector<LLFolderViewItem*>::iterator it = items_to_select_forward.begin(), end_it = items_to_select_forward.end();
+		it != end_it;
+		++it)
+	{
+		LLFolderViewItem* item = *it;
+		if (item->isSelected())
+		{
+			root->removeFromSelectionList(item);
+		}
+		else
+		{
+			item->selectItem();
+		}
+		root->addToSelectionList(item);
+	}
+
+	if (new_selection->isSelected())
+	{
+		root->removeFromSelectionList(new_selection);
+	}
+	else
+	{
+		new_selection->selectItem();
+	}
+	root->addToSelectionList(new_selection);
+}
+
+
+void LLFolderViewFolder::destroyView()
+{
+    while (!mItems.empty())
+    {
+    	LLFolderViewItem *itemp = mItems.back();
+    	itemp->destroyView(); // LLFolderViewItem::destroyView() removes entry from mItems
+    }
+
+	while (!mFolders.empty())
+	{
+		LLFolderViewFolder *folderp = mFolders.back();
+		folderp->destroyView(); // LLFolderVievFolder::destroyView() removes entry from mFolders
+	}
+
+	LLFolderViewItem::destroyView();
+}
+
+// extractItem() removes the specified item from the folder, but
+// doesn't delete it.
+void LLFolderViewFolder::extractItem( LLFolderViewItem* item )
+{
+	if (item->isSelected())
+		getRoot()->clearSelection();
+	items_t::iterator it = std::find(mItems.begin(), mItems.end(), item);
+	if(it == mItems.end())
+	{
+		// This is an evil downcast. However, it's only doing
+		// pointer comparison to find if (which it should be ) the
+		// item is in the container, so it's pretty safe.
+		LLFolderViewFolder* f = static_cast<LLFolderViewFolder*>(item);
+		folders_t::iterator ft;
+		ft = std::find(mFolders.begin(), mFolders.end(), f);
+		if (ft != mFolders.end())
+		{
+			mFolders.erase(ft);
+		}
+	}
+	else
+	{
+		mItems.erase(it);
+	}
+	//item has been removed, need to update filter
+	getViewModelItem()->removeChild(item->getViewModelItem());
+	//because an item is going away regardless of filter status, force rearrange
+	requestArrange();
+	removeChild(item);
+}
+
+BOOL LLFolderViewFolder::isMovable()
+{
+	if( !(getViewModelItem()->isItemMovable()) )
+	{
+			return FALSE;
+		}
+
+		for (items_t::iterator iter = mItems.begin();
+			iter != mItems.end();)
+		{
+			items_t::iterator iit = iter++;
+			if(!(*iit)->isMovable())
+			{
+				return FALSE;
+			}
+		}
+
+		for (folders_t::iterator iter = mFolders.begin();
+			iter != mFolders.end();)
+		{
+			folders_t::iterator fit = iter++;
+			if(!(*fit)->isMovable())
+			{
+				return FALSE;
+			}
+		}
+	return TRUE;
+}
+
+
+BOOL LLFolderViewFolder::isRemovable()
+{
+	if( !(getViewModelItem()->isItemRemovable()) )
+	{
+			return FALSE;
+		}
+
+		for (items_t::iterator iter = mItems.begin();
+			iter != mItems.end();)
+		{
+			items_t::iterator iit = iter++;
+			if(!(*iit)->isRemovable())
+			{
+				return FALSE;
+			}
+		}
+
+		for (folders_t::iterator iter = mFolders.begin();
+			iter != mFolders.end();)
+		{
+			folders_t::iterator fit = iter++;
+			if(!(*fit)->isRemovable())
+			{
+				return FALSE;
+			}
+		}
+	return TRUE;
+}
+
+// this is an internal method used for adding items to folders. 
+void LLFolderViewFolder::addItem(LLFolderViewItem* item)
+{
+	if (item->getParentFolder())
+	{
+		item->getParentFolder()->extractItem(item);
+	}
+	item->setParentFolder(this);
+
+	mItems.push_back(item);
+	
+	item->setRect(LLRect(0, 0, getRect().getWidth(), 0));
+	item->setVisible(FALSE);
+	
+	addChild(item);
+
+	// When the model is already hooked into a hierarchy (i.e. has a parent), do not reparent it
+	// Note: this happens when models are created before views or shared between views
+	if (!item->getViewModelItem()->hasParent())
+	{
+		getViewModelItem()->addChild(item->getViewModelItem());
+	}
+}
+
+// this is an internal method used for adding items to folders. 
+void LLFolderViewFolder::addFolder(LLFolderViewFolder* folder)
+{
+	if (folder->mParentFolder)
+	{
+		folder->mParentFolder->extractItem(folder);
+	}
+	folder->mParentFolder = this;
+	mFolders.push_back(folder);
+	folder->setOrigin(0, 0);
+	folder->reshape(getRect().getWidth(), 0);
+	folder->setVisible(FALSE);
+	// rearrange all descendants too, as our indentation level might have changed
+	//folder->requestArrange();
+	//requestSort();
+
+	addChild(folder);
+
+	// When the model is already hooked into a hierarchy (i.e. has a parent), do not reparent it
+	// Note: this happens when models are created before views or shared between views
+	if (!folder->getViewModelItem()->hasParent())
+	{
+		getViewModelItem()->addChild(folder->getViewModelItem());
+	}
+}
+
+void LLFolderViewFolder::requestArrange()
+{ 
+	if ( mLastArrangeGeneration != -1)
+	{
+		mLastArrangeGeneration = -1; 
+		// flag all items up to root
+		if (mParentFolder)
+		{
+			mParentFolder->requestArrange();
+		}
+	}
+}
+
+void LLFolderViewFolder::toggleOpen()
+{
+	setOpen(!isOpen());
+}
+
+// Force a folder open or closed
+void LLFolderViewFolder::setOpen(BOOL openitem)
+{
+	setOpenArrangeRecursively(openitem);
+}
+
+void LLFolderViewFolder::setOpenArrangeRecursively(BOOL openitem, ERecurseType recurse)
+{
+	BOOL was_open = isOpen();
+	mIsOpen = openitem;
+		if(!was_open && openitem)
+		{
+		getViewModelItem()->openItem();
+		}
+		else if(was_open && !openitem)
+		{
+		getViewModelItem()->closeItem();
+	}
+
+	if (recurse == RECURSE_DOWN || recurse == RECURSE_UP_DOWN)
+	{
+		for (folders_t::iterator iter = mFolders.begin();
+			iter != mFolders.end();)
+		{
+			folders_t::iterator fit = iter++;
+			(*fit)->setOpenArrangeRecursively(openitem, RECURSE_DOWN);		/* Flawfinder: ignore */
+		}
+	}
+	if (mParentFolder
+		&&	(recurse == RECURSE_UP
+			|| recurse == RECURSE_UP_DOWN))
+	{
+		mParentFolder->setOpenArrangeRecursively(openitem, RECURSE_UP);
+	}
+
+	if (was_open != isOpen())
+	{
+		requestArrange();
+	}
+}
+
+BOOL LLFolderViewFolder::handleDragAndDropFromChild(MASK mask,
+													BOOL drop,
+													EDragAndDropType c_type,
+													void* cargo_data,
+													EAcceptance* accept,
+													std::string& tooltip_msg)
+{
+	BOOL accepted = mViewModelItem->dragOrDrop(mask,drop,c_type,cargo_data, tooltip_msg);
+	if (accepted) 
+	{
+		mDragAndDropTarget = TRUE;
+		*accept = ACCEPT_YES_MULTI;
+	}
+	else 
+	{
+		*accept = ACCEPT_NO;
+	}
+
+	// drag and drop to child item, so clear pending auto-opens
+	getRoot()->autoOpenTest(NULL);
+
+	return TRUE;
+}
+
+void LLFolderViewFolder::openItem( void )
+{
+	toggleOpen();
+}
+
+void LLFolderViewFolder::applyFunctorToChildren(LLFolderViewFunctor& functor)
+{
+	for (folders_t::iterator iter = mFolders.begin();
+		iter != mFolders.end();)
+	{
+		folders_t::iterator fit = iter++;
+		functor.doItem((*fit));
+	}
+	for (items_t::iterator iter = mItems.begin();
+		iter != mItems.end();)
+	{
+		items_t::iterator iit = iter++;
+		functor.doItem((*iit));
+	}
+}
+
+void LLFolderViewFolder::applyFunctorRecursively(LLFolderViewFunctor& functor)
+{
+	functor.doFolder(this);
+
+	for (folders_t::iterator iter = mFolders.begin();
+		iter != mFolders.end();)
+	{
+		folders_t::iterator fit = iter++;
+		(*fit)->applyFunctorRecursively(functor);
+	}
+	for (items_t::iterator iter = mItems.begin();
+		iter != mItems.end();)
+	{
+		items_t::iterator iit = iter++;
+		functor.doItem((*iit));
+	}
+}
+
+// LLView functionality
+BOOL LLFolderViewFolder::handleDragAndDrop(S32 x, S32 y, MASK mask,
+										   BOOL drop,
+										   EDragAndDropType cargo_type,
+										   void* cargo_data,
+										   EAcceptance* accept,
+										   std::string& tooltip_msg)
+{
+	BOOL handled = FALSE;
+
+	if (isOpen())
+	{
+		handled = (childrenHandleDragAndDrop(x, y, mask, drop, cargo_type, cargo_data, accept, tooltip_msg) != NULL);
+	}
+
+	if (!handled)
+	{
+		handleDragAndDropToThisFolder(mask, drop, cargo_type, cargo_data, accept, tooltip_msg);
+
+		lldebugst(LLERR_USER_INPUT) << "dragAndDrop handled by LLFolderViewFolder" << llendl;
+	}
+
+	return TRUE;
+}
+
+BOOL LLFolderViewFolder::handleDragAndDropToThisFolder(MASK mask,
+													   BOOL drop,
+													   EDragAndDropType cargo_type,
+													   void* cargo_data,
+													   EAcceptance* accept,
+													   std::string& tooltip_msg)
+{
+	BOOL accepted = getViewModelItem()->dragOrDrop(mask,drop,cargo_type,cargo_data, tooltip_msg);
+	
+	if (accepted) 
+	{
+		mDragAndDropTarget = TRUE;
+		*accept = ACCEPT_YES_MULTI;
+	}
+	else 
+	{
+		*accept = ACCEPT_NO;
+	}
+	
+	if (!drop && accepted)
+	{
+		getRoot()->autoOpenTest(this);
+	}
+	
+	return TRUE;
+}
+
+
+BOOL LLFolderViewFolder::handleRightMouseDown( S32 x, S32 y, MASK mask )
+{
+	BOOL handled = FALSE;
+
+	if( isOpen() )
+	{
+		handled = childrenHandleRightMouseDown( x, y, mask ) != NULL;
+	}
+	if (!handled)
+	{
+		handled = LLFolderViewItem::handleRightMouseDown( x, y, mask );
+	}
+	return handled;
+}
+
+
+BOOL LLFolderViewFolder::handleHover(S32 x, S32 y, MASK mask)
+{
+	mIsMouseOverTitle = (y > (getRect().getHeight() - mItemHeight));
+
+	BOOL handled = LLView::handleHover(x, y, mask);
+
+	if (!handled)
+	{
+		// this doesn't do child processing
+		handled = LLFolderViewItem::handleHover(x, y, mask);
+	}
+
+	return handled;
+}
+
+BOOL LLFolderViewFolder::handleMouseDown( S32 x, S32 y, MASK mask )
+{
+	BOOL handled = FALSE;
+	if( isOpen() )
+	{
+		handled = childrenHandleMouseDown(x,y,mask) != NULL;
+	}
+	if( !handled )
+	{
+		if(mIndentation < x && x < mIndentation + (isCollapsed() ? 0 : mArrowSize) + mTextPad)
+		{
+			toggleOpen();
+			handled = TRUE;
+		}
+		else
+		{
+			// do normal selection logic
+			handled = LLFolderViewItem::handleMouseDown(x, y, mask);
+		}
+	}
+
+	return handled;
+}
+
+BOOL LLFolderViewFolder::handleDoubleClick( S32 x, S32 y, MASK mask )
+{
+	BOOL handled = FALSE;
+	if( isOpen() )
+	{
+		handled = childrenHandleDoubleClick( x, y, mask ) != NULL;
+	}
+	if( !handled )
+	{
+		if(mIndentation < x && x < mIndentation + (isCollapsed() ? 0 : mArrowSize) + mTextPad)
+		{
+			// don't select when user double-clicks plus sign
+			// so as not to contradict single-click behavior
+			toggleOpen();
+		}
+		else
+		{
+			getRoot()->setSelection(this, FALSE);
+			toggleOpen();
+		}
+		handled = TRUE;
+	}
+	return handled;
+}
+
+void LLFolderViewFolder::draw()
+{
+	updateLabelRotation();
+
+	LLFolderViewItem::draw();
+
+	// draw children if root folder, or any other folder that is open or animating to closed state
+	if( getRoot() == this || (isOpen() || mCurHeight != mTargetHeight ))
+	{
+		LLView::draw();
+	}
+
+	mExpanderHighlighted = FALSE;
+}
+
+// this does prefix traversal, as folders are listed above their contents
+LLFolderViewItem* LLFolderViewFolder::getNextFromChild( LLFolderViewItem* item, BOOL include_children )
+{
+	BOOL found_item = FALSE;
+
+	LLFolderViewItem* result = NULL;
+	// when not starting from a given item, start at beginning
+	if(item == NULL)
+	{
+		found_item = TRUE;
+	}
+
+	// find current item among children
+	folders_t::iterator fit = mFolders.begin();
+	folders_t::iterator fend = mFolders.end();
+
+	items_t::iterator iit = mItems.begin();
+	items_t::iterator iend = mItems.end();
+
+	// if not trivially starting at the beginning, we have to find the current item
+	if (!found_item)
+	{
+		// first, look among folders, since they are always above items
+		for(; fit != fend; ++fit)
+		{
+			if(item == (*fit))
+			{
+				found_item = TRUE;
+				// if we are on downwards traversal
+				if (include_children && (*fit)->isOpen())
+				{
+					// look for first descendant
+					return (*fit)->getNextFromChild(NULL, TRUE);
+				}
+				// otherwise advance to next folder
+				++fit;
+				include_children = TRUE;
+				break;
+			}
+		}
+
+		// didn't find in folders?  Check items...
+		if (!found_item)
+		{
+			for(; iit != iend; ++iit)
+			{
+				if(item == (*iit))
+				{
+					found_item = TRUE;
+					// point to next item
+					++iit;
+					break;
+				}
+			}
+		}
+	}
+
+	if (!found_item)
+	{
+		// you should never call this method with an item that isn't a child
+		// so we should always find something
+		llassert(FALSE);
+		return NULL;
+	}
+
+	// at this point, either iit or fit point to a candidate "next" item
+	// if both are out of range, we need to punt up to our parent
+
+	// now, starting from found folder, continue through folders
+	// searching for next visible folder
+	while(fit != fend && !(*fit)->getVisible())
+	{
+		// turn on downwards traversal for next folder
+		++fit;
+	} 
+
+	if (fit != fend)
+	{
+		result = (*fit);
+	}
+	else
+	{
+		// otherwise, scan for next visible item
+		while(iit != iend && !(*iit)->getVisible())
+		{
+			++iit;
+		} 
+
+		// check to see if we have a valid item
+		if (iit != iend)
+		{
+			result = (*iit);
+		}
+	}
+
+	if( !result && mParentFolder )
+	{
+		// If there are no siblings or children to go to, recurse up one level in the tree
+		// and skip children for this folder, as we've already discounted them
+		result = mParentFolder->getNextFromChild(this, FALSE);
+	}
+
+	return result;
+}
+
+// this does postfix traversal, as folders are listed above their contents
+LLFolderViewItem* LLFolderViewFolder::getPreviousFromChild( LLFolderViewItem* item, BOOL include_children )
+{
+	BOOL found_item = FALSE;
+
+	LLFolderViewItem* result = NULL;
+	// when not starting from a given item, start at end
+	if(item == NULL)
+	{
+		found_item = TRUE;
+	}
+
+	// find current item among children
+	folders_t::reverse_iterator fit = mFolders.rbegin();
+	folders_t::reverse_iterator fend = mFolders.rend();
+
+	items_t::reverse_iterator iit = mItems.rbegin();
+	items_t::reverse_iterator iend = mItems.rend();
+
+	// if not trivially starting at the end, we have to find the current item
+	if (!found_item)
+	{
+		// first, look among items, since they are always below the folders
+		for(; iit != iend; ++iit)
+		{
+			if(item == (*iit))
+			{
+				found_item = TRUE;
+				// point to next item
+				++iit;
+				break;
+			}
+		}
+
+		// didn't find in items?  Check folders...
+		if (!found_item)
+		{
+			for(; fit != fend; ++fit)
+			{
+				if(item == (*fit))
+				{
+					found_item = TRUE;
+					// point to next folder
+					++fit;
+					break;
+				}
+			}
+		}
+	}
+
+	if (!found_item)
+	{
+		// you should never call this method with an item that isn't a child
+		// so we should always find something
+		llassert(FALSE);
+		return NULL;
+	}
+
+	// at this point, either iit or fit point to a candidate "next" item
+	// if both are out of range, we need to punt up to our parent
+
+	// now, starting from found item, continue through items
+	// searching for next visible item
+	while(iit != iend && !(*iit)->getVisible())
+	{
+		++iit;
+	} 
+
+	if (iit != iend)
+	{
+		// we found an appropriate item
+		result = (*iit);
+	}
+	else
+	{
+		// otherwise, scan for next visible folder
+		while(fit != fend && !(*fit)->getVisible())
+		{
+			++fit;
+		} 
+
+		// check to see if we have a valid folder
+		if (fit != fend)
+		{
+			// try selecting child element of this folder
+			if ((*fit)->isOpen())
+			{
+				result = (*fit)->getPreviousFromChild(NULL);
+			}
+			else
+			{
+				result = (*fit);
+			}
+		}
+	}
+
+	if( !result )
+	{
+		// If there are no siblings or children to go to, recurse up one level in the tree
+		// which gets back to this folder, which will only be visited if it is a valid, visible item
+		result = this;
+	}
+
+	return result;
+}
+
diff --git a/indra/newview/llfolderviewitem.h b/indra/llui/llfolderviewitem.h
index 577b6b54a2..ca31931e19 100644..100755
--- a/indra/newview/llfolderviewitem.h
+++ b/indra/llui/llfolderviewitem.h
@@ -26,55 +26,16 @@
 #ifndef LLFOLDERVIEWITEM_H
 #define LLFOLDERVIEWITEM_H
 
+#include "llflashtimer.h"
 #include "llview.h"
-#include "lldarray.h"  // *TODO: Eliminate, forward declare
 #include "lluiimage.h"
 
-class LLFontGL;
 class LLFolderView;
-class LLFolderViewEventListener;
+class LLFolderViewModelItem;
 class LLFolderViewFolder;
 class LLFolderViewFunctor;
-class LLFolderViewItem;
-class LLFolderViewListenerFunctor;
-class LLInventoryFilter;
-class LLMenuGL;
-class LLUIImage;
-class LLViewerInventoryItem;
-
-// These are grouping of inventory types.
-// Order matters when sorting system folders to the top.
-enum EInventorySortGroup
-{ 
-	SG_SYSTEM_FOLDER, 
-	SG_TRASH_FOLDER, 
-	SG_NORMAL_FOLDER, 
-	SG_ITEM 
-};
-
-// *TODO: do we really need one sort object per folder?
-// can we just have one of these per LLFolderView ?
-class LLInventorySort
-{
-public:
-	LLInventorySort() 
-		: mSortOrder(0),
-		mByDate(false),
-		mSystemToTop(false),
-		mFoldersByName(false) { }
-
-	// Returns true if order has changed
-	bool updateSort(U32 order);
-	U32 getSort() { return mSortOrder; }
-	bool isByDate() { return mByDate; }
-
-	bool operator()(const LLFolderViewItem* const& a, const LLFolderViewItem* const& b);
-private:
-	U32  mSortOrder;
-	bool mByDate;
-	bool mSystemToTop;
-	bool mFoldersByName;
-};
+class LLFolderViewFilter;
+class LLFolderViewModelInterface;
 
 //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 // Class LLFolderViewItem
@@ -86,134 +47,130 @@ private:
 class LLFolderViewItem : public LLView
 {
 public:
-	static void initClass();
-	static void cleanupClass();
-
 	struct Params : public LLInitParam::Block<Params, LLView::Params>
 	{
-		Optional<LLUIImage*>					icon;
-		Optional<LLUIImage*>					icon_open;  // used for folders
-		Optional<LLUIImage*>					icon_overlay;  // for links
-		Optional<LLFolderView*>					root;
-		Mandatory<LLFolderViewEventListener*>	listener;
-
-		Optional<LLUIImage*>					folder_arrow_image;
-		Optional<S32>							folder_indentation; // pixels
-		Optional<LLUIImage*>					selection_image;
-		Optional<S32>							item_height; // pixels
-		Optional<S32>							item_top_pad; // pixels
-
-		Optional<S32>							creation_date; //UTC seconds
-
+		Optional<LLUIImage*>						folder_arrow_image,
+													selection_image;
+		Mandatory<LLFolderView*>					root;
+		Mandatory<LLFolderViewModelItem*>			listener;
+
+		Optional<S32>								folder_indentation, // pixels
+													item_height,
+													item_top_pad;
+
+		Optional<time_t>							creation_date;
+		Optional<bool>								allow_open;
+
+		Optional<LLUIColor>                         font_color;
+		Optional<LLUIColor>                         font_highlight_color;
+		
+        Optional<S32>                               left_pad,
+                                                    icon_pad,
+                                                    icon_width,
+                                                    text_pad,
+                                                    text_pad_right,
+                                                    arrow_size,
+                                                    max_folder_item_overlap;
 		Params();
 	};
 
-	// layout constants
-	static const S32 LEFT_PAD = 5;
-	// LEFT_INDENTATION is set via folder_indentation above
-	static const S32 ICON_PAD = 2;
-	static const S32 ICON_WIDTH = 16;
-	static const S32 TEXT_PAD = 1;
-	static const S32 TEXT_PAD_RIGHT = 4;
-	static const S32 ARROW_SIZE = 12;
-	static const S32 MAX_FOLDER_ITEM_OVERLAP = 2;
-	// animation parameters
-	static const F32 FOLDER_CLOSE_TIME_CONSTANT;
-	static const F32 FOLDER_OPEN_TIME_CONSTANT;
-
-	// Mostly for debugging printout purposes.
-	const std::string& getSearchableLabel() { return mSearchableLabel; }
-	
-	BOOL isLoading() const { return mIsLoading; }
 
-private:
-	BOOL						mIsSelected;
+	static const S32    DEFAULT_LABEL_PADDING_RIGHT = 4;
+	// animation parameters
+	static const F32	FOLDER_CLOSE_TIME_CONSTANT,
+						FOLDER_OPEN_TIME_CONSTANT;
 
 protected:
 	friend class LLUICtrlFactory;
-	friend class LLFolderViewEventListener;
+	friend class LLFolderViewModelItem;
 
 	LLFolderViewItem(const Params& p);
 
 	std::string					mLabel;
-	std::string					mSearchableLabel;
 	S32							mLabelWidth;
 	bool						mLabelWidthDirty;
-	time_t						mCreationDate;
+    S32                         mLabelPaddingRight;
 	LLFolderViewFolder*			mParentFolder;
-	LLFolderViewEventListener*	mListener;
-	BOOL						mIsCurSelection;
-	BOOL						mSelectPending;
+	LLPointer<LLFolderViewModelItem> mViewModelItem;
 	LLFontGL::StyleFlags		mLabelStyle;
 	std::string					mLabelSuffix;
-	LLUIImagePtr				mIcon;
-	std::string					mStatusText;
-	LLUIImagePtr				mIconOpen;
-	LLUIImagePtr				mIconOverlay;
-	BOOL						mHasVisibleChildren;
+	LLUIImagePtr				mIcon,
+								mIconOpen,
+								mIconOverlay;
+    S32                         mLocalIndentation;
 	S32							mIndentation;
 	S32							mItemHeight;
-	BOOL						mPassedFilter;
-	S32							mLastFilterGeneration;
-	std::string::size_type		mStringMatchOffset;
+	S32							mDragStartX,
+								mDragStartY;
+
+    S32                         mLeftPad,
+                                mIconPad,
+                                mIconWidth,
+                                mTextPad,
+                                mTextPadRight,
+                                mArrowSize,
+                                mMaxFolderItemOverlap;
+
 	F32							mControlLabelRotation;
 	LLFolderView*				mRoot;
-	BOOL						mDragAndDropTarget;
-	BOOL                        mIsLoading;
-	LLTimer                     mTimeSinceRequestStart;
-	bool						mShowLoadStatus;
-	bool						mIsMouseOverTitle;
-
-	// helper function to change the selection from the root.
-	void changeSelectionFromRoot(LLFolderViewItem* selection, BOOL selected);
+	bool						mHasVisibleChildren,
+								mIsCurSelection,
+								mDragAndDropTarget,
+								mIsMouseOverTitle,
+								mAllowOpen,
+								mSelectPending;
+	
+	LLUIColor                   mFontColor;
+	LLUIColor                   mFontHighlightColor;
+
+	// For now assuming all colors are the same in derived classes.
+	static bool                 sColorSetInitialized;
+	static LLUIColor			sFgColor;
+	static LLUIColor			sFgDisabledColor;
+	static LLUIColor			sHighlightBgColor;
+	static LLUIColor			sFlashBgColor;
+	static LLUIColor			sFocusOutlineColor;
+	static LLUIColor			sMouseOverColor;
+	static LLUIColor			sFilterBGColor;
+	static LLUIColor			sFilterTextColor;
+	static LLUIColor			sSuffixColor;
+	static LLUIColor			sSearchStatusColor;
 
 	// this is an internal method used for adding items to folders. A
 	// no-op at this level, but reimplemented in derived classes.
-	virtual BOOL addItem(LLFolderViewItem*) { return FALSE; }
-	virtual BOOL addFolder(LLFolderViewFolder*) { return FALSE; }
+	virtual void addItem(LLFolderViewItem*) { }
+	virtual void addFolder(LLFolderViewFolder*) { }
+	virtual bool isHighlightAllowed();
+	virtual bool isHighlightActive();
+	virtual bool isFlashing() { return false; }
+	virtual void setFlashState(bool) { }
 
 	static LLFontGL* getLabelFontForStyle(U8 style);
 
-	virtual void setCreationDate(time_t creation_date_utc)	{ mCreationDate = creation_date_utc; }
+	BOOL						mIsSelected;
 
 public:
+	static void initClass();
+	static void cleanupClass();
+
 	BOOL postBuild();
 
-	// This function clears the currently selected item, and records
-	// the specified selected item appropriately for display and use
-	// in the UI. If open is TRUE, then folders are opened up along
-	// the way to the selection.
-	void setSelectionFromRoot(LLFolderViewItem* selection, BOOL openitem,
-		BOOL take_keyboard_focus = TRUE);
-
-	// This function is called when the folder view is dirty. It's
-	// implemented here but called by derived classes when folding the
-	// views.
-	void arrangeFromRoot();
-	void filterFromRoot( void );
-	
+	virtual void openItem( void );
+
 	void arrangeAndSet(BOOL set_selection, BOOL take_keyboard_focus);
 
 	virtual ~LLFolderViewItem( void );
 
 	// addToFolder() returns TRUE if it succeeds. FALSE otherwise
-	enum { ARRANGE = TRUE, DO_NOT_ARRANGE = FALSE };
-	virtual BOOL addToFolder(LLFolderViewFolder* folder, LLFolderView* root);
-
-	virtual EInventorySortGroup getSortGroup() const;
+	virtual void addToFolder(LLFolderViewFolder* folder);
 
 	// Finds width and height of this object and it's children.  Also
 	// makes sure that this view and it's children are the right size.
-	virtual S32 arrange( S32* width, S32* height, S32 filter_generation );
+	virtual S32 arrange( S32* width, S32* height );
 	virtual S32 getItemHeight();
-
-	// applies filters to control visibility of inventory items
-	virtual void filter( LLInventoryFilter& filter);
-
-	// updates filter serial number and optionally propagated value up to root
-	S32		getLastFilterGeneration() { return mLastFilterGeneration; }
-
-	virtual void	dirtyFilter();
+    virtual S32 getLabelXPos();
+    S32 getIconPad();
+    S32 getTextPad();
 
 	// If 'selection' is 'this' then note that otherwise ignore.
 	// Returns TRUE if this item ends up being selected.
@@ -231,7 +188,7 @@ public:
 	virtual void selectItem();
 
 	// gets multiple-element selection
-	virtual std::set<LLUUID> getSelectionList() const;
+	virtual std::set<LLFolderViewItem*> getSelectionList() const;
 
 	// Returns true is this object and all of its children can be removed (deleted by user)
 	virtual BOOL isRemovable();
@@ -253,74 +210,54 @@ public:
 
 	BOOL hasVisibleChildren() { return mHasVisibleChildren; }
 
-	void setShowLoadStatus(bool status) { mShowLoadStatus = status; }
-
 	// Call through to the viewed object and return true if it can be
 	// removed. Returns true if it's removed.
 	//virtual BOOL removeRecursively(BOOL single_item);
 	BOOL remove();
 
 	// Build an appropriate context menu for the item.	Flags unused.
-	void buildContextMenu(LLMenuGL& menu, U32 flags);
+	void buildContextMenu(class LLMenuGL& menu, U32 flags);
 
 	// This method returns the actual name of the thing being
 	// viewed. This method will ask the viewed object itself.
 	const std::string& getName( void ) const;
 
-	const std::string& getSearchableLabel( void ) const;
-
 	// This method returns the label displayed on the view. This
 	// method was primarily added to allow sorting on the folder
 	// contents possible before the entire view has been constructed.
 	const std::string& getLabel() const { return mLabel; }
 
-	// Used for sorting, like getLabel() above.
-	virtual time_t getCreationDate() const { return mCreationDate; }
-
 	LLFolderViewFolder* getParentFolder( void ) { return mParentFolder; }
 	const LLFolderViewFolder* getParentFolder( void ) const { return mParentFolder; }
 
+	void setParentFolder(LLFolderViewFolder* parent) { mParentFolder = parent; }
+
 	LLFolderViewItem* getNextOpenNode( BOOL include_children = TRUE );
 	LLFolderViewItem* getPreviousOpenNode( BOOL include_children = TRUE );
 
-	const LLFolderViewEventListener* getListener( void ) const { return mListener; }
-	LLFolderViewEventListener* getListener( void ) { return mListener; }
-	
-	// Gets the inventory item if it exists (null otherwise)
-	LLViewerInventoryItem * getInventoryItem(void);
+	const LLFolderViewModelItem* getViewModelItem( void ) const { return mViewModelItem; }
+	LLFolderViewModelItem* getViewModelItem( void ) { return mViewModelItem; }
+
+	const LLFolderViewModelInterface* getFolderViewModel( void ) const;
+	LLFolderViewModelInterface* getFolderViewModel( void );
 
 	// just rename the object.
 	void rename(const std::string& new_name);
 
-	// open
-	virtual void openItem( void );
-	virtual void preview(void);
-
-	// Show children (unfortunate that this is called "open")
+	// Show children
 	virtual void setOpen(BOOL open = TRUE) {};
-
 	virtual BOOL isOpen() const { return FALSE; }
 
 	virtual LLFolderView*	getRoot();
+	virtual const LLFolderView*	getRoot() const;
 	BOOL			isDescendantOf( const LLFolderViewFolder* potential_ancestor );
 	S32				getIndentation() { return mIndentation; }
 
-	virtual BOOL	potentiallyVisible(); // do we know for a fact that this item won't be displayed?
-	virtual BOOL	potentiallyFiltered(); // do we know for a fact that this item has been filtered out?
-
-	virtual BOOL	getFiltered();
-	virtual BOOL	getFiltered(S32 filter_generation);
-	virtual void	setFiltered(BOOL filtered, S32 filter_generation);
-
-	// change the icon
-	void setIcon(LLUIImagePtr icon);
+	virtual BOOL	passedFilter(S32 filter_generation = -1);
 
 	// refresh information from the object being viewed.
-	void refreshFromListener();
 	virtual void refresh();
 
-	virtual void applyListenerFunctorRecursively(LLFolderViewListenerFunctor& functor);
-
 	// LLView functionality
 	virtual BOOL handleRightMouseDown( S32 x, S32 y, MASK mask );
 	virtual BOOL handleMouseDown( S32 x, S32 y, MASK mask );
@@ -330,25 +267,23 @@ public:
 
 	virtual void onMouseLeave(S32 x, S32 y, MASK mask);
 
-	virtual LLView* findChildView(const std::string& name, BOOL recurse) const { return NULL; }
+	//virtual LLView* findChildView(const std::string& name, BOOL recurse) const { return LLView::findChildView(name, recurse); }
 
 	//	virtual void handleDropped();
 	virtual void draw();
+	void drawOpenFolderArrow(const Params& default_params, const LLUIColor& fg_color);
+    void drawHighlight(const BOOL showContent, const BOOL hasKeyboardFocus, const LLUIColor &selectColor, const LLUIColor &flashColor, const LLUIColor &outlineColor, const LLUIColor &mouseOverColor);
+    void drawLabel(const LLFontGL * font, const F32 x, const F32 y, const LLColor4& color, F32 &right_x);
 	virtual BOOL handleDragAndDrop(S32 x, S32 y, MASK mask, BOOL drop,
-		EDragAndDropType cargo_type,
-		void* cargo_data,
-		EAcceptance* accept,
-		std::string& tooltip_msg);
+									EDragAndDropType cargo_type,
+									void* cargo_data,
+									EAcceptance* accept,
+									std::string& tooltip_msg);
 
 private:
 	static std::map<U8, LLFontGL*> sFonts; // map of styles to fonts
 };
 
-
-// function used for sorting.
-typedef bool (*sort_order_f)(LLFolderViewItem* a, LLFolderViewItem* b);
-
-
 //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 // Class LLFolderViewFolder
 //
@@ -363,33 +298,26 @@ protected:
 	LLFolderViewFolder( const LLFolderViewItem::Params& );
 	friend class LLUICtrlFactory;
 
-public:
-	typedef enum e_trash
-	{
-		UNKNOWN, TRASH, NOT_TRASH
-	} ETrash;
+	void updateLabelRotation();
+	virtual bool isCollapsed() { return FALSE; }
 
+public:
 	typedef std::list<LLFolderViewItem*> items_t;
 	typedef std::list<LLFolderViewFolder*> folders_t;
 
 protected:
 	items_t mItems;
 	folders_t mFolders;
-	LLInventorySort	mSortFunction;
 
 	BOOL		mIsOpen;
 	BOOL		mExpanderHighlighted;
 	F32			mCurHeight;
 	F32			mTargetHeight;
 	F32			mAutoOpenCountdown;
-	time_t		mSubtreeCreationDate;
-	mutable ETrash mAmTrash;
 	S32			mLastArrangeGeneration;
 	S32			mLastCalculatedWidth;
-	S32			mCompletedFilterGeneration;
 	S32			mMostFilteredDescendantGeneration;
 	bool		mNeedsSort;
-	bool		mPassedFolderFilter;
 
 public:
 	typedef enum e_recurse_type
@@ -403,48 +331,25 @@ public:
 
 	virtual ~LLFolderViewFolder( void );
 
-	virtual BOOL	potentiallyVisible();
-
 	LLFolderViewItem* getNextFromChild( LLFolderViewItem*, BOOL include_children = TRUE );
 	LLFolderViewItem* getPreviousFromChild( LLFolderViewItem*, BOOL include_children = TRUE  );
 
 	// addToFolder() returns TRUE if it succeeds. FALSE otherwise
-	virtual BOOL addToFolder(LLFolderViewFolder* folder, LLFolderView* root);
+	virtual void addToFolder(LLFolderViewFolder* folder);
 
 	// Finds width and height of this object and it's children.  Also
 	// makes sure that this view and it's children are the right size.
-	virtual S32 arrange( S32* width, S32* height, S32 filter_generation );
+	virtual S32 arrange( S32* width, S32* height );
 
 	BOOL needsArrange();
-	void requestSort();
-
-	// Returns the sort group (system, trash, folder) for this folder.
-	virtual EInventorySortGroup getSortGroup() const;
 
-	virtual void	setCompletedFilterGeneration(S32 generation, BOOL recurse_up);
-	virtual S32		getCompletedFilterGeneration() { return mCompletedFilterGeneration; }
-
-	BOOL hasFilteredDescendants(S32 filter_generation);
-	BOOL hasFilteredDescendants();
-
-	// applies filters to control visibility of inventory items
-	virtual void filter( LLInventoryFilter& filter);
-	virtual void setFiltered(BOOL filtered, S32 filter_generation);
-	virtual BOOL getFiltered();
-	virtual BOOL getFiltered(S32 filter_generation);
-
-	virtual void dirtyFilter();
-	
-	// folder-specific filtering (filter status propagates top down instead of bottom up)
-	void filterFolder(LLInventoryFilter& filter);
-	void setFilteredFolder(bool filtered, S32 filter_generation);
-	bool getFilteredFolder(S32 filter_generation);
+	bool descendantsPassedFilter(S32 filter_generation = -1);
 
 	// Passes selection information on to children and record
 	// selection information if necessary.
 	// Returns TRUE if this object (or a child) ends up being selected.
 	// If 'openitem' is TRUE then folders are opened up along the way to the selection.
-	virtual BOOL setSelection(LLFolderViewItem* selection, BOOL openitem, BOOL take_keyboard_focus);
+	virtual BOOL setSelection(LLFolderViewItem* selection, BOOL openitem, BOOL take_keyboard_focus = TRUE);
 
 	// This method is used to change the selection of an item.
 	// Recursively traverse all children; if 'selection' is 'this' then change
@@ -464,31 +369,13 @@ public:
 	// destroys this folder, and all children
 	virtual void destroyView();
 
-	// If this folder can be removed, remove all children that can be
-	// removed, return TRUE if this is empty after the operation and
-	// it's viewed folder object can be removed.
-	//virtual BOOL removeRecursively(BOOL single_item);
-	//virtual BOOL remove();
-
-	// remove the specified item (and any children) if
-	// possible. Return TRUE if the item was deleted.
-	BOOL removeItem(LLFolderViewItem* item);
-
-	// simply remove the view (and any children) Don't bother telling
-	// the listeners.
-	void removeView(LLFolderViewItem* item);
-
 	// extractItem() removes the specified item from the folder, but
 	// doesn't delete it.
-	void extractItem( LLFolderViewItem* item );
+	virtual void extractItem( LLFolderViewItem* item );
 
 	// This function is called by a child that needs to be resorted.
 	void resort(LLFolderViewItem* item);
 
-	void setItemSortOrder(U32 ordering);
-	void sortBy(U32);
-	//BOOL (*func)(LLFolderViewItem* a, LLFolderViewItem* b));
-
 	void setAutoOpenCountdown(F32 countdown) { mAutoOpenCountdown = countdown; }
 
 	// folders can be opened. This will usually be called by internal
@@ -499,8 +386,7 @@ public:
 	virtual void setOpen(BOOL openitem = TRUE);
 
 	// Called when a child is refreshed.
-	// don't rearrange child folder contents unless explicitly requested
-	virtual void requestArrange(BOOL include_descendants = FALSE);
+	virtual void requestArrange();
 
 	// internal method which doesn't update the entire view. This
 	// method was written because the list iterators destroy the state
@@ -513,65 +399,60 @@ public:
 
 	// special case if an object is dropped on the child.
 	BOOL handleDragAndDropFromChild(MASK mask,
-		BOOL drop,
-		EDragAndDropType cargo_type,
-		void* cargo_data,
-		EAcceptance* accept,
-		std::string& tooltip_msg);
+									BOOL drop,
+									EDragAndDropType cargo_type,
+									void* cargo_data,
+									EAcceptance* accept,
+									std::string& tooltip_msg);
 
-	void applyFunctorRecursively(LLFolderViewFunctor& functor);
-	virtual void applyListenerFunctorRecursively(LLFolderViewListenerFunctor& functor);
 
 	// Just apply this functor to the folder's immediate children.
 	void applyFunctorToChildren(LLFolderViewFunctor& functor);
+	// apply this functor to the folder's descendants.
+	void applyFunctorRecursively(LLFolderViewFunctor& functor);
 
 	virtual void openItem( void );
-	virtual BOOL addItem(LLFolderViewItem* item);
-	virtual BOOL addFolder( LLFolderViewFolder* folder);
 
 	// LLView functionality
 	virtual BOOL handleHover(S32 x, S32 y, MASK mask);
 	virtual BOOL handleRightMouseDown( S32 x, S32 y, MASK mask );
 	virtual BOOL handleMouseDown( S32 x, S32 y, MASK mask );
 	virtual BOOL handleDoubleClick( S32 x, S32 y, MASK mask );
-	virtual BOOL handleDragAndDrop(S32 x, S32 y, MASK mask, BOOL drop,
-		EDragAndDropType cargo_type,
-		void* cargo_data,
-		EAcceptance* accept,
-		std::string& tooltip_msg);
-	BOOL handleDragAndDropToThisFolder(MASK mask, BOOL drop,
+	virtual BOOL handleDragAndDrop(S32 x, S32 y, MASK mask, 
+									BOOL drop,
+									EDragAndDropType cargo_type,
+									void* cargo_data,
+									EAcceptance* accept,
+									std::string& tooltip_msg);
+	BOOL handleDragAndDropToThisFolder(MASK mask, 
+										BOOL drop,
 									   EDragAndDropType cargo_type,
 									   void* cargo_data,
 									   EAcceptance* accept,
 									   std::string& tooltip_msg);
 	virtual void draw();
 
-	time_t getCreationDate() const;
-	bool isTrash() const;
-
-	folders_t::const_iterator getFoldersBegin() const { return mFolders.begin(); }
-	folders_t::const_iterator getFoldersEnd() const { return mFolders.end(); }
+	folders_t::iterator getFoldersBegin() { return mFolders.begin(); }
+	folders_t::iterator getFoldersEnd() { return mFolders.end(); }
 	folders_t::size_type getFoldersCount() const { return mFolders.size(); }
 
 	items_t::const_iterator getItemsBegin() const { return mItems.begin(); }
 	items_t::const_iterator getItemsEnd() const { return mItems.end(); }
 	items_t::size_type getItemsCount() const { return mItems.size(); }
+
 	LLFolderViewFolder* getCommonAncestor(LLFolderViewItem* item_a, LLFolderViewItem* item_b, bool& reverse);
 	void gatherChildRangeExclusive(LLFolderViewItem* start, LLFolderViewItem* end, bool reverse,  std::vector<LLFolderViewItem*>& items);
-};
 
-//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-// Class LLFolderViewListenerFunctor
-//
-// This simple abstract base class can be used to applied to all
-// listeners in a hierarchy.
-//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+	// internal functions for tracking folders and items separately
+	// use addToFolder() virtual method to ensure folders are always added to mFolders
+	// and not mItems
+	void addItem(LLFolderViewItem* item);
+	void addFolder( LLFolderViewFolder* folder);
 
-class LLFolderViewListenerFunctor
-{
-public:
-	virtual ~LLFolderViewListenerFunctor() {}
-	virtual void operator()(LLFolderViewEventListener* listener) = 0;
+	//WARNING: do not call directly...use the appropriate LLFolderViewModel-derived class instead
+	template<typename SORT_FUNC> void sortFolders(const SORT_FUNC& func) { mFolders.sort(func); }
+	template<typename SORT_FUNC> void sortItems(const SORT_FUNC& func) { mItems.sort(func); }
 };
 
+
 #endif  // LLFOLDERVIEWITEM_H
diff --git a/indra/llui/llfolderviewmodel.cpp b/indra/llui/llfolderviewmodel.cpp
new file mode 100644
index 0000000000..3593804554
--- /dev/null
+++ b/indra/llui/llfolderviewmodel.cpp
@@ -0,0 +1,68 @@
+/** 
+ * @file llfolderviewmodel.cpp
+ * @brief Implementation of the view model collection of classes.
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#include "linden_common.h"
+
+#include "llfolderviewmodel.h"
+#include "lltrans.h"
+
+bool LLFolderViewModelCommon::needsSort(LLFolderViewModelItem* item)
+{
+	return item->getSortVersion() < mTargetSortVersion;
+}
+
+std::string LLFolderViewModelCommon::getStatusText()
+{
+	if (!contentsReady() || mFolderView->getViewModelItem()->getLastFilterGeneration() < getFilter().getCurrentGeneration())
+	{
+		return LLTrans::getString("Searching");
+	}
+	else
+	{
+		return getFilter().getEmptyLookupMessage();
+	}
+}
+
+void LLFolderViewModelCommon::filter()
+{
+	getFilter().setFilterCount(llclamp(LLUI::sSettingGroups["config"]->getS32("FilterItemsPerFrame"), 1, 5000));
+	mFolderView->getViewModelItem()->filter(getFilter());
+}
+
+bool LLFolderViewModelItemCommon::hasFilterStringMatch()
+{
+	return mStringMatchOffsetFilter != std::string::npos;
+}
+
+std::string::size_type LLFolderViewModelItemCommon::getFilterStringOffset()
+{
+	return mStringMatchOffsetFilter;
+}
+
+std::string::size_type LLFolderViewModelItemCommon::getFilterStringSize()
+{
+	return mRootViewModel.getFilter().getFilterStringSize();
+}
diff --git a/indra/llui/llfolderviewmodel.h b/indra/llui/llfolderviewmodel.h
new file mode 100644
index 0000000000..1b61212c0e
--- /dev/null
+++ b/indra/llui/llfolderviewmodel.h
@@ -0,0 +1,444 @@
+/** 
+ * @file llfolderviewmodel.h
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+#ifndef LLFOLDERVIEWMODEL_H
+#define LLFOLDERVIEWMODEL_H
+
+#include "llfontgl.h"	// just for StyleFlags enum
+#include "llfolderview.h"
+
+// These are grouping of inventory types.
+// Order matters when sorting system folders to the top.
+enum EInventorySortGroup
+{
+	SG_SYSTEM_FOLDER,
+	SG_TRASH_FOLDER,
+	SG_NORMAL_FOLDER,
+	SG_ITEM
+};
+
+class LLFontGL;
+class LLInventoryModel;
+class LLMenuGL;
+class LLUIImage;
+class LLUUID;
+class LLFolderViewItem;
+class LLFolderViewFolder;
+
+class LLFolderViewFilter
+{
+public:
+	enum EFilterModified
+	{
+		FILTER_NONE,				// nothing to do, already filtered
+		FILTER_RESTART,				// restart filtering from scratch
+		FILTER_LESS_RESTRICTIVE,	// existing filtered items will certainly pass this filter
+		FILTER_MORE_RESTRICTIVE		// if you didn't pass the previous filter, you definitely won't pass this one
+	};
+
+public:
+
+	LLFolderViewFilter() {}
+	virtual ~LLFolderViewFilter() {}
+
+	// +-------------------------------------------------------------------+
+	// + Execution And Results
+	// +-------------------------------------------------------------------+
+	virtual bool 				check(const LLFolderViewModelItem* item) = 0;
+	virtual bool				checkFolder(const LLFolderViewModelItem* folder) const = 0;
+
+	virtual void 				setEmptyLookupMessage(const std::string& message) = 0;
+	virtual std::string			getEmptyLookupMessage() const = 0;
+
+	virtual bool				showAllResults() const = 0;
+
+	virtual std::string::size_type getStringMatchOffset(LLFolderViewModelItem* item) const = 0;
+	virtual std::string::size_type getFilterStringSize() const = 0;
+	// +-------------------------------------------------------------------+
+	// + Status
+	// +-------------------------------------------------------------------+
+	virtual bool 				isActive() const = 0;
+	virtual bool 				isModified() const = 0;
+	virtual void 				clearModified() = 0;
+	virtual const std::string& 	getName() const = 0;
+	virtual const std::string& 	getFilterText() = 0;
+	//RN: this is public to allow system to externally force a global refilter
+	virtual void 				setModified(EFilterModified behavior = FILTER_RESTART) = 0;
+
+	// +-------------------------------------------------------------------+
+	// + Count
+	// +-------------------------------------------------------------------+
+	virtual void 				setFilterCount(S32 count) = 0;
+	virtual S32 				getFilterCount() const = 0;
+	virtual void 				decrementFilterCount() = 0;
+
+	// +-------------------------------------------------------------------+
+	// + Default
+	// +-------------------------------------------------------------------+
+	virtual bool 				isDefault() const = 0;
+	virtual bool 				isNotDefault() const = 0;
+	virtual void 				markDefault() = 0;
+	virtual void 				resetDefault() = 0;
+
+	// +-------------------------------------------------------------------+
+	// + Generation
+	// +-------------------------------------------------------------------+
+	virtual S32 				getCurrentGeneration() const = 0;
+	virtual S32 				getFirstSuccessGeneration() const = 0;
+	virtual S32 				getFirstRequiredGeneration() const = 0;
+};
+
+class LLFolderViewModelInterface
+{
+public:
+	virtual ~LLFolderViewModelInterface() {}
+	virtual void requestSortAll() = 0;
+
+	virtual void sort(class LLFolderViewFolder*) = 0;
+	virtual void filter() = 0;
+
+	virtual bool contentsReady() = 0;
+	virtual void setFolderView(LLFolderView* folder_view) = 0;
+	virtual LLFolderViewFilter& getFilter() = 0;
+	virtual const LLFolderViewFilter& getFilter() const = 0;
+	virtual std::string getStatusText() = 0;
+
+	virtual bool startDrag(std::vector<LLFolderViewModelItem*>& items) = 0;
+};
+
+// This is an abstract base class that users of the folderview classes
+// would use to bridge the folder view with the underlying data
+class LLFolderViewModelItem : public LLRefCount
+{
+public:
+	LLFolderViewModelItem() { }
+	virtual ~LLFolderViewModelItem() { }
+
+	virtual void update() {}	//called when drawing
+	virtual const std::string& getName() const = 0;
+	virtual const std::string& getDisplayName() const = 0;
+	virtual const std::string& getSearchableName() const = 0;
+
+	virtual LLPointer<LLUIImage> getIcon() const = 0;
+	virtual LLPointer<LLUIImage> getIconOpen() const { return getIcon(); }
+	virtual LLPointer<LLUIImage> getIconOverlay() const { return NULL; }
+
+	virtual LLFontGL::StyleFlags getLabelStyle() const = 0;
+	virtual std::string getLabelSuffix() const = 0;
+
+	virtual void openItem( void ) = 0;
+	virtual void closeItem( void ) = 0;
+	virtual void selectItem(void) = 0;
+
+	virtual BOOL isItemRenameable() const = 0;
+	virtual BOOL renameItem(const std::string& new_name) = 0;
+
+	virtual BOOL isItemMovable( void ) const = 0;		// Can be moved to another folder
+	virtual void move( LLFolderViewModelItem* parent_listener ) = 0;
+
+	virtual BOOL isItemRemovable( void ) const = 0;		// Can be destroyed
+	virtual BOOL removeItem() = 0;
+	virtual void removeBatch(std::vector<LLFolderViewModelItem*>& batch) = 0;
+
+	virtual BOOL isItemCopyable() const = 0;
+	virtual BOOL copyToClipboard() const = 0;
+	virtual BOOL cutToClipboard() const = 0;
+
+	virtual BOOL isClipboardPasteable() const = 0;
+	virtual void pasteFromClipboard() = 0;
+	virtual void pasteLinkFromClipboard() = 0;
+
+	virtual void buildContextMenu(LLMenuGL& menu, U32 flags) = 0;
+	
+	virtual bool potentiallyVisible() = 0; // is the item definitely visible or we haven't made up our minds yet?
+
+	virtual bool filter( LLFolderViewFilter& filter) = 0;
+	virtual bool passedFilter(S32 filter_generation = -1) = 0;
+	virtual bool descendantsPassedFilter(S32 filter_generation = -1) = 0;
+	virtual void setPassedFilter(bool passed, S32 filter_generation, std::string::size_type string_offset = std::string::npos, std::string::size_type string_size = 0) = 0;
+	virtual void setPassedFolderFilter(bool passed, S32 filter_generation) = 0;
+	virtual void dirtyFilter() = 0;
+	virtual bool hasFilterStringMatch() = 0;
+	virtual std::string::size_type getFilterStringOffset() = 0;
+	virtual std::string::size_type getFilterStringSize() = 0;
+
+	virtual S32	getLastFilterGeneration() const = 0;
+
+	virtual bool hasChildren() const = 0;
+	virtual void addChild(LLFolderViewModelItem* child) = 0;
+	virtual void removeChild(LLFolderViewModelItem* child) = 0;
+
+	// This method will be called to determine if a drop can be
+	// performed, and will set drop to TRUE if a drop is
+	// requested. Returns TRUE if a drop is possible/happened,
+	// otherwise FALSE.
+	virtual BOOL dragOrDrop(MASK mask, BOOL drop,
+							EDragAndDropType cargo_type,
+							void* cargo_data,
+							std::string& tooltip_msg) = 0;
+
+	virtual void requestSort() = 0;
+	virtual S32 getSortVersion() = 0;
+	virtual void setSortVersion(S32 version) = 0;
+	virtual void setParent(LLFolderViewModelItem* parent) = 0;
+	virtual bool hasParent() = 0;
+
+protected:
+
+	friend class LLFolderViewItem;
+	virtual void setFolderViewItem(LLFolderViewItem* folder_view_item) = 0;
+
+};
+
+
+class LLFolderViewModelItemCommon : public LLFolderViewModelItem
+{
+public:
+	LLFolderViewModelItemCommon(LLFolderViewModelInterface& root_view_model)
+	:	mSortVersion(-1),
+		mPassedFilter(true),
+		mPassedFolderFilter(true),
+		mStringMatchOffsetFilter(std::string::npos),
+		mStringFilterSize(0),
+		mFolderViewItem(NULL),
+		mLastFilterGeneration(-1),
+		mLastFolderFilterGeneration(-1),
+		mMostFilteredDescendantGeneration(-1),
+		mParent(NULL),
+		mRootViewModel(root_view_model)
+	{
+		mChildren.clear();
+	}
+
+	void requestSort() { mSortVersion = -1; }
+	S32 getSortVersion() { return mSortVersion; }
+	void setSortVersion(S32 version) { mSortVersion = version;}
+
+	S32	getLastFilterGeneration() const { return mLastFilterGeneration; }
+	S32	getLastFolderFilterGeneration() const { return mLastFolderFilterGeneration; }
+	void dirtyFilter()
+	{
+		mLastFilterGeneration = -1;
+		mLastFolderFilterGeneration = -1;
+
+		// bubble up dirty flag all the way to root
+		if (mParent)
+		{
+			mParent->dirtyFilter();
+		}	
+	}
+	bool hasFilterStringMatch();
+	std::string::size_type getFilterStringOffset();
+	std::string::size_type getFilterStringSize();
+	
+	typedef std::list<LLFolderViewModelItem*> child_list_t;
+
+	virtual void addChild(LLFolderViewModelItem* child) 
+	{ 
+		// Avoid duplicates: bail out if that child is already present in the list
+		// Note: this happens when models are created before views
+		child_list_t::const_iterator iter;
+		for (iter = mChildren.begin(); iter != mChildren.end(); iter++)
+		{
+			if (child == *iter)
+			{
+				return;
+			}
+		}
+		mChildren.push_back(child); 
+		child->setParent(this); 
+		dirtyFilter();
+		requestSort();
+	}
+	virtual void removeChild(LLFolderViewModelItem* child) 
+	{ 
+		mChildren.remove(child); 
+		child->setParent(NULL); 
+		dirtyFilter();
+	}
+	
+	virtual void clearChildren()
+	{
+		// As this is cleaning the whole list of children wholesale, we do need to delete the pointed objects
+		// This is different and not equivalent to calling removeChild() on each child
+		std::for_each(mChildren.begin(), mChildren.end(), DeletePointer());
+		mChildren.clear();
+		dirtyFilter();
+	}
+	
+	child_list_t::const_iterator getChildrenBegin() const { return mChildren.begin(); }
+	child_list_t::const_iterator getChildrenEnd() const { return mChildren.end(); }
+	child_list_t::size_type getChildrenCount() const { return mChildren.size(); }
+	
+	void setPassedFilter(bool passed, S32 filter_generation, std::string::size_type string_offset = std::string::npos, std::string::size_type string_size = 0)
+	{
+		mPassedFilter = passed;
+		mLastFilterGeneration = filter_generation;
+		mStringMatchOffsetFilter = string_offset;
+		mStringFilterSize = string_size;
+	}
+
+	void setPassedFolderFilter(bool passed, S32 filter_generation)
+	{
+		mPassedFolderFilter = passed;
+		mLastFolderFilterGeneration = filter_generation;
+	}
+
+	virtual bool potentiallyVisible()
+	{
+		return passedFilter() // we've passed the filter
+			|| getLastFilterGeneration() < mRootViewModel.getFilter().getFirstSuccessGeneration() // or we don't know yet
+			|| descendantsPassedFilter();
+	}
+
+	virtual bool passedFilter(S32 filter_generation = -1) 
+	{ 
+		if (filter_generation < 0) 
+			filter_generation = mRootViewModel.getFilter().getFirstSuccessGeneration();
+
+		bool passed_folder_filter = mPassedFolderFilter && mLastFolderFilterGeneration >= filter_generation;
+		bool passed_filter = mPassedFilter && mLastFilterGeneration >= filter_generation;
+		return passed_folder_filter
+				&& (descendantsPassedFilter(filter_generation)
+					|| passed_filter);
+	}
+
+	virtual bool descendantsPassedFilter(S32 filter_generation = -1)
+	{ 
+		if (filter_generation < 0) filter_generation = mRootViewModel.getFilter().getFirstSuccessGeneration();
+		return mMostFilteredDescendantGeneration >= filter_generation; 
+	}
+
+
+protected:
+	virtual void setParent(LLFolderViewModelItem* parent) { mParent = parent; }
+	virtual bool hasParent() { return mParent != NULL; }
+
+	S32						mSortVersion;
+	bool					mPassedFilter;
+	bool					mPassedFolderFilter;
+	std::string::size_type	mStringMatchOffsetFilter;
+	std::string::size_type	mStringFilterSize;
+
+	S32						mLastFilterGeneration;
+	S32						mLastFolderFilterGeneration;
+	S32						mMostFilteredDescendantGeneration;
+
+	child_list_t			mChildren;
+	LLFolderViewModelItem*	mParent;
+	LLFolderViewModelInterface& mRootViewModel;
+
+	void setFolderViewItem(LLFolderViewItem* folder_view_item) { mFolderViewItem = folder_view_item;}
+	LLFolderViewItem*		mFolderViewItem;
+};
+
+
+
+class LLFolderViewModelCommon : public LLFolderViewModelInterface
+{
+public:
+	LLFolderViewModelCommon()
+	:	mTargetSortVersion(0),
+		mFolderView(NULL)
+	{}
+
+	virtual void requestSortAll()
+	{
+		// sort everything
+		mTargetSortVersion++;
+	}
+	virtual std::string getStatusText();
+	virtual void filter();
+
+	void setFolderView(LLFolderView* folder_view) { mFolderView = folder_view;}
+
+protected:
+	bool needsSort(class LLFolderViewModelItem* item);
+
+	S32 mTargetSortVersion;
+	LLFolderView* mFolderView;
+
+};
+
+template <typename SORT_TYPE, typename ITEM_TYPE, typename FOLDER_TYPE, typename FILTER_TYPE>
+class LLFolderViewModel : public LLFolderViewModelCommon
+{
+public:
+	LLFolderViewModel(){}
+	virtual ~LLFolderViewModel() {}
+
+	typedef SORT_TYPE		SortType;
+	typedef ITEM_TYPE		ItemType;
+	typedef FOLDER_TYPE		FolderType;
+	typedef FILTER_TYPE		FilterType;
+
+	virtual SortType& getSorter()					 { return mSorter; }
+	virtual const SortType& getSorter() const 		 { return mSorter; }
+	virtual void setSorter(const SortType& sorter) 	 { mSorter = sorter; requestSortAll(); }
+
+	virtual FilterType& getFilter() 				 { return mFilter; }
+	virtual const FilterType& getFilter() const		 { return mFilter; }
+	virtual void setFilter(const FilterType& filter) { mFilter = filter; }
+
+	// By default, we assume the content is available. If a network fetch mechanism is implemented for the model,
+	// this method needs to be overloaded and return the relevant fetch status.
+	virtual bool contentsReady()					{ return true; }
+
+
+	struct ViewModelCompare
+	{
+		ViewModelCompare(const SortType& sorter)
+		:	mSorter(sorter)
+		{}
+
+		bool operator () (const LLFolderViewItem* a, const LLFolderViewItem* b) const
+		{
+			return mSorter(static_cast<const ItemType*>(a->getViewModelItem()), static_cast<const ItemType*>(b->getViewModelItem()));
+		}
+
+		bool operator () (const LLFolderViewFolder* a, const LLFolderViewFolder* b) const
+		{
+			return mSorter(static_cast<const ItemType*>(a->getViewModelItem()), static_cast<const ItemType*>(b->getViewModelItem()));
+		}
+
+		const SortType& mSorter;
+	};
+
+	void sort(LLFolderViewFolder* folder)
+	{
+		if (needsSort(folder->getViewModelItem()))
+		{
+			folder->sortFolders(ViewModelCompare(getSorter()));
+			folder->sortItems(ViewModelCompare(getSorter()));
+			folder->getViewModelItem()->setSortVersion(mTargetSortVersion);
+			folder->requestArrange();
+		}
+	}
+
+protected:
+	SortType		mSorter;
+	FilterType		mFilter;
+};
+
+#endif // LLFOLDERVIEWMODEL_H
diff --git a/indra/llui/lllayoutstack.cpp b/indra/llui/lllayoutstack.cpp
index 4c730286da..e642883991 100644
--- a/indra/llui/lllayoutstack.cpp
+++ b/indra/llui/lllayoutstack.cpp
@@ -32,11 +32,10 @@
 
 #include "lllocalcliprect.h"
 #include "llpanel.h"
-#include "llresizebar.h"
 #include "llcriticaldamp.h"
 #include "boost/foreach.hpp"
 
-static const F32 MIN_FRACTIONAL_SIZE = 0.0f;
+static const F32 MIN_FRACTIONAL_SIZE = 0.00001f;
 static const F32 MAX_FRACTIONAL_SIZE = 1.f;
 
 static LLDefaultChildRegistry::Register<LLLayoutStack> register_layout_stack("layout_stack");
@@ -71,7 +70,7 @@ LLLayoutPanel::LLLayoutPanel(const Params& p)
 	mCollapseAmt(0.f),
 	mVisibleAmt(1.f), // default to fully visible
 	mResizeBar(NULL),
-	mFractionalSize(MIN_FRACTIONAL_SIZE),
+	mFractionalSize(0.f),
 	mTargetDim(0),
 	mIgnoreReshape(false),
 	mOrientation(LLLayoutStack::HORIZONTAL)
@@ -521,7 +520,7 @@ void LLLayoutStack::updateFractionalSizes()
 	{
 		if (panelp->mAutoResize)
 		{
-			total_resizable_dim += llmax(0, panelp->getLayoutDim() - panelp->getRelevantMinDim());
+			total_resizable_dim += llmax(MIN_FRACTIONAL_SIZE, (F32)(panelp->getLayoutDim() - panelp->getRelevantMinDim()));
 		}
 	}
 
@@ -672,12 +671,12 @@ void LLLayoutStack::updatePanelRect( LLLayoutPanel* resized_panel, const LLRect&
 	S32 new_dim = (mOrientation == HORIZONTAL)
 					? new_rect.getWidth()
 					: new_rect.getHeight();
-	S32 delta_dim = new_dim - resized_panel->getVisibleDim();
-	if (delta_dim == 0) return;
+	S32 delta_panel_dim = new_dim - resized_panel->getVisibleDim();
+	if (delta_panel_dim == 0) return;
 
 	F32 total_visible_fraction = 0.f;
 	F32 delta_auto_resize_headroom = 0.f;
-	F32 original_auto_resize_headroom = 0.f;
+	F32 old_auto_resize_headroom = 0.f;
 
 	LLLayoutPanel* other_resize_panel = NULL;
 	LLLayoutPanel* following_panel = NULL;
@@ -686,7 +685,7 @@ void LLLayoutStack::updatePanelRect( LLLayoutPanel* resized_panel, const LLRect&
 	{
 		if (panelp->mAutoResize)
 		{
-			original_auto_resize_headroom += (F32)(panelp->mTargetDim - panelp->getRelevantMinDim());
+			old_auto_resize_headroom += (F32)(panelp->mTargetDim - panelp->getRelevantMinDim());
 			if (panelp->getVisible() && !panelp->mCollapsed)
 			{
 				total_visible_fraction += panelp->mFractionalSize;
@@ -704,25 +703,24 @@ void LLLayoutStack::updatePanelRect( LLLayoutPanel* resized_panel, const LLRect&
 		}
 	}
 
-
 	if (resized_panel->mAutoResize)
 	{
 		if (!other_resize_panel || !other_resize_panel->mAutoResize)
 		{
-			delta_auto_resize_headroom += delta_dim;	
+			delta_auto_resize_headroom += delta_panel_dim;	
 		}
 	}
 	else 
 	{
 		if (!other_resize_panel || other_resize_panel->mAutoResize)
 		{
-			delta_auto_resize_headroom -= delta_dim;
+			delta_auto_resize_headroom -= delta_panel_dim;
 		}
 	}
 
 	F32 fraction_given_up = 0.f;
 	F32 fraction_remaining = 1.f;
-	F32 updated_auto_resize_headroom = original_auto_resize_headroom + delta_auto_resize_headroom;
+	F32 new_auto_resize_headroom = old_auto_resize_headroom + delta_auto_resize_headroom;
 
 	enum
 	{
@@ -734,7 +732,14 @@ void LLLayoutStack::updatePanelRect( LLLayoutPanel* resized_panel, const LLRect&
 
 	BOOST_FOREACH(LLLayoutPanel* panelp, mPanels)
 	{
-		if (!panelp->getVisible() || panelp->mCollapsed) continue;
+		if (!panelp->getVisible() || panelp->mCollapsed) 
+		{
+			if (panelp->mAutoResize) 
+			{
+				fraction_remaining -= panelp->mFractionalSize;
+			}
+			continue;
+		}
 
 		if (panelp == resized_panel)
 		{
@@ -746,9 +751,9 @@ void LLLayoutStack::updatePanelRect( LLLayoutPanel* resized_panel, const LLRect&
 		case BEFORE_RESIZED_PANEL:
 			if (panelp->mAutoResize)
 			{	// freeze current size as fraction of overall auto_resize space
-				F32 fractional_adjustment_factor = updated_auto_resize_headroom == 0.f
+				F32 fractional_adjustment_factor = new_auto_resize_headroom == 0.f
 													? 1.f
-													: original_auto_resize_headroom / updated_auto_resize_headroom;
+													: old_auto_resize_headroom / new_auto_resize_headroom;
 				F32 new_fractional_size = llclamp(panelp->mFractionalSize * fractional_adjustment_factor,
 													MIN_FRACTIONAL_SIZE,
 													MAX_FRACTIONAL_SIZE);
@@ -765,9 +770,9 @@ void LLLayoutStack::updatePanelRect( LLLayoutPanel* resized_panel, const LLRect&
 		case RESIZED_PANEL:
 			if (panelp->mAutoResize)
 			{	// freeze new size as fraction
-				F32 new_fractional_size = (updated_auto_resize_headroom == 0.f)
+				F32 new_fractional_size = (new_auto_resize_headroom == 0.f)
 					? MAX_FRACTIONAL_SIZE
-					: llclamp(total_visible_fraction * (F32)(new_dim - panelp->getRelevantMinDim()) / updated_auto_resize_headroom, MIN_FRACTIONAL_SIZE, MAX_FRACTIONAL_SIZE);
+					: llclamp(total_visible_fraction * (F32)(new_dim - panelp->getRelevantMinDim()) / new_auto_resize_headroom, MIN_FRACTIONAL_SIZE, MAX_FRACTIONAL_SIZE);
 				fraction_given_up -= new_fractional_size - panelp->mFractionalSize;
 				fraction_remaining -= panelp->mFractionalSize;
 				panelp->mFractionalSize = new_fractional_size;
@@ -790,8 +795,13 @@ void LLLayoutStack::updatePanelRect( LLLayoutPanel* resized_panel, const LLRect&
 				}
 				else
 				{
+					if (new_auto_resize_headroom < 1.f)
+					{
+						new_auto_resize_headroom = 1.f;
+					}
+
 					F32 new_fractional_size = llclamp(total_visible_fraction * (F32)(panelp->mTargetDim - panelp->getRelevantMinDim() + delta_auto_resize_headroom) 
-														/ updated_auto_resize_headroom,
+														/ new_auto_resize_headroom,
 													MIN_FRACTIONAL_SIZE,
 													MAX_FRACTIONAL_SIZE);
 					fraction_given_up -= new_fractional_size - panelp->mFractionalSize;
@@ -800,7 +810,7 @@ void LLLayoutStack::updatePanelRect( LLLayoutPanel* resized_panel, const LLRect&
 			}
 			else
 			{
-				panelp->mTargetDim -= delta_dim;
+				panelp->mTargetDim -= delta_panel_dim;
 			}
 			which_panel = AFTER_RESIZED_PANEL;
 			break;
@@ -816,7 +826,7 @@ void LLLayoutStack::updatePanelRect( LLLayoutPanel* resized_panel, const LLRect&
 		}
 	}
 	updateLayout();
-	normalizeFractionalSizes();
+	//normalizeFractionalSizes();
 }
 
 void LLLayoutStack::reshape(S32 width, S32 height, BOOL called_from_parent)
diff --git a/indra/llui/lllayoutstack.h b/indra/llui/lllayoutstack.h
index 648cd5fdce..02c664f1a0 100644
--- a/indra/llui/lllayoutstack.h
+++ b/indra/llui/lllayoutstack.h
@@ -29,6 +29,7 @@
 #define LL_LLLAYOUTSTACK_H
 
 #include "llpanel.h"
+#include "llresizebar.h"
 
 
 class LLLayoutPanel;
@@ -178,6 +179,9 @@ public:
 	F32 getAutoResizeFactor() const;
 	F32 getVisibleAmount() const;
 	S32 getVisibleDim() const;
+	LLResizeBar* getResizeBar() { return mResizeBar; }
+
+	bool isCollapsed() const { return mCollapsed;}
 
 	void setOrientation(LLLayoutStack::ELayoutOrientation orientation);
 	void storeOriginalDim();
diff --git a/indra/llui/llloadingindicator.cpp b/indra/llui/llloadingindicator.cpp
index 6ac38f5ad4..1ede5b706f 100644
--- a/indra/llui/llloadingindicator.cpp
+++ b/indra/llui/llloadingindicator.cpp
@@ -52,7 +52,7 @@ LLLoadingIndicator::LLLoadingIndicator(const Params& p)
 
 void LLLoadingIndicator::initFromParams(const Params& p)
 {
-	BOOST_FOREACH(LLUIImage* image, p.images.image)
+	BOOST_FOREACH(LLUIImage* image, p.images().image)
 	{
 		mImages.push_back(image);
 	}
diff --git a/indra/llui/llloadingindicator.h b/indra/llui/llloadingindicator.h
index c1f979c111..ffcb329f42 100644
--- a/indra/llui/llloadingindicator.h
+++ b/indra/llui/llloadingindicator.h
@@ -51,7 +51,7 @@ class LLLoadingIndicator
 	LOG_CLASS(LLLoadingIndicator);
 public:
 
-	struct Images : public LLInitParam::BatchBlock<Images>
+	struct Images : public LLInitParam::Block<Images>
 	{
 		Multiple<LLUIImage*>	image;
 
@@ -62,8 +62,8 @@ public:
 
 	struct Params : public LLInitParam::Block<Params, LLUICtrl::Params>
 	{
-		Optional<F32>			images_per_sec;
-		Optional<Images>		images;
+		Optional<F32>				images_per_sec;
+		Optional<Atomic<Images> >	images;
 
 		Params()
 		:	images_per_sec("images_per_sec", 1.0f),
diff --git a/indra/llui/llmenubutton.cpp b/indra/llui/llmenubutton.cpp
index 50d59f79f4..746ade4648 100644
--- a/indra/llui/llmenubutton.cpp
+++ b/indra/llui/llmenubutton.cpp
@@ -44,33 +44,27 @@ void LLMenuButton::MenuPositions::declareValues()
 
 LLMenuButton::Params::Params()
 :	menu_filename("menu_filename"),
-	position("position", MP_BOTTOM_LEFT)
+	position("menu_position", MP_BOTTOM_LEFT)
 {
+	addSynonym(position, "position");
 }
 
 
 LLMenuButton::LLMenuButton(const LLMenuButton::Params& p)
 :	LLButton(p),
 	mIsMenuShown(false),
-	mMenuPosition(p.position)
+	mMenuPosition(p.position),
+	mOwnMenu(false)
 {
 	std::string menu_filename = p.menu_filename;
 
-	if (!menu_filename.empty())
-	{
-		LLToggleableMenu* menu = LLUICtrlFactory::getInstance()->createFromFile<LLToggleableMenu>(menu_filename, LLMenuGL::sMenuContainer, LLMenuHolderGL::child_registry_t::instance());
-		if (!menu)
-		{
-			llwarns << "Error loading menu_button menu" << llendl;
-			return;
-		}
-
-		menu->setVisibilityChangeCallback(boost::bind(&LLMenuButton::onMenuVisibilityChange, this, _2));
-
-		mMenuHandle = menu->getHandle();
+	setMenu(menu_filename, mMenuPosition);
+	updateMenuOrigin();
+}
 
-		updateMenuOrigin();
-	}
+LLMenuButton::~LLMenuButton()
+{
+	cleanup();
 }
 
 boost::signals2::connection LLMenuButton::setMouseDownCallback( const mouse_signal_t::slot_type& cb )
@@ -80,9 +74,7 @@ boost::signals2::connection LLMenuButton::setMouseDownCallback( const mouse_sign
 
 void LLMenuButton::hideMenu()
 {
-	if(mMenuHandle.isDead()) return;
-
-	LLToggleableMenu* menu = dynamic_cast<LLToggleableMenu*>(mMenuHandle.get());
+	LLToggleableMenu* menu = getMenu();
 	if (menu)
 	{
 		menu->setVisible(FALSE);
@@ -94,19 +86,39 @@ LLToggleableMenu* LLMenuButton::getMenu()
 	return dynamic_cast<LLToggleableMenu*>(mMenuHandle.get());
 }
 
-void LLMenuButton::setMenu(LLToggleableMenu* menu, EMenuPosition position /*MP_TOP_LEFT*/)
+void LLMenuButton::setMenu(const std::string& menu_filename, EMenuPosition position /*MP_TOP_LEFT*/)
+{
+	if (menu_filename.empty())
+	{
+		return;
+	}
+
+	LLToggleableMenu* menu = LLUICtrlFactory::getInstance()->createFromFile<LLToggleableMenu>(menu_filename, LLMenuGL::sMenuContainer, LLMenuHolderGL::child_registry_t::instance());
+	if (!menu)
+	{
+		llwarns << "Error loading menu_button menu" << llendl;
+		return;
+	}
+
+	setMenu(menu, position, true);
+}
+
+void LLMenuButton::setMenu(LLToggleableMenu* menu, EMenuPosition position /*MP_TOP_LEFT*/, bool take_ownership /*false*/)
 {
 	if (!menu) return;
 
+	cleanup(); // destroy the previous memnu if we own it
+
 	mMenuHandle = menu->getHandle();
 	mMenuPosition = position;
+	mOwnMenu = take_ownership;
 
 	menu->setVisibilityChangeCallback(boost::bind(&LLMenuButton::onMenuVisibilityChange, this, _2));
 }
 
 BOOL LLMenuButton::handleKeyHere(KEY key, MASK mask )
 {
-	if (mMenuHandle.isDead()) return FALSE;
+	if (!getMenu()) return FALSE;
 
 	if( KEY_RETURN == key && mask == MASK_NONE && !gKeyboard->getKeyRepeated(key))
 	{
@@ -118,7 +130,7 @@ BOOL LLMenuButton::handleKeyHere(KEY key, MASK mask )
 		return TRUE;
 	}
 
-	LLToggleableMenu* menu = dynamic_cast<LLToggleableMenu*>(mMenuHandle.get());
+	LLToggleableMenu* menu = getMenu();
 	if (menu && menu->getVisible() && key == KEY_ESCAPE && mask == MASK_NONE)
 	{
 		menu->setVisible(FALSE);
@@ -139,9 +151,12 @@ BOOL LLMenuButton::handleMouseDown(S32 x, S32 y, MASK mask)
 
 void LLMenuButton::toggleMenu()
 {
-	if(mMenuHandle.isDead()) return;
+	if (mValidateSignal && !(*mValidateSignal)(this, LLSD()))
+	{
+		return;
+	}
 
-	LLToggleableMenu* menu = dynamic_cast<LLToggleableMenu*>(mMenuHandle.get());
+	LLToggleableMenu* menu = getMenu();
 	if (!menu) return;
 
 	// Store the button rectangle to toggle menu visibility if a mouse event
@@ -170,7 +185,8 @@ void LLMenuButton::toggleMenu()
 
 void LLMenuButton::updateMenuOrigin()
 {
-	if (mMenuHandle.isDead()) return;
+	LLToggleableMenu* menu = getMenu();
+	if (!menu) return;
 
 	LLRect rect = getRect();
 
@@ -179,12 +195,12 @@ void LLMenuButton::updateMenuOrigin()
 		case MP_TOP_LEFT:
 		{
 			mX = rect.mLeft;
-			mY = rect.mTop + mMenuHandle.get()->getRect().getHeight();
+			mY = rect.mTop + menu->getRect().getHeight();
 			break;
 		}
 		case MP_TOP_RIGHT:
 		{
-			const LLRect& menu_rect = mMenuHandle.get()->getRect();
+			const LLRect& menu_rect = menu->getRect();
 			mX = rect.mRight - menu_rect.getWidth();
 			mY = rect.mTop + menu_rect.getHeight();
 			break;
@@ -211,3 +227,11 @@ void LLMenuButton::onMenuVisibilityChange(const LLSD& param)
 		mIsMenuShown = false;
 	}
 }
+
+void LLMenuButton::cleanup()
+{
+	if (mMenuHandle.get() && mOwnMenu)
+	{
+		mMenuHandle.get()->die();
+	}
+}
diff --git a/indra/llui/llmenubutton.h b/indra/llui/llmenubutton.h
index e2396e7fb2..67ec1983b3 100644
--- a/indra/llui/llmenubutton.h
+++ b/indra/llui/llmenubutton.h
@@ -34,6 +34,8 @@ class LLToggleableMenu;
 class LLMenuButton
 : public LLButton
 {
+	LOG_CLASS(LLMenuButton);
+
 public:
 	typedef enum e_menu_position
 	{
@@ -53,7 +55,7 @@ public:
 	{
 		// filename for it's toggleable menu
 		Optional<std::string>	menu_filename;
-		Optional<EMenuPosition>	position;
+		Optional<EMenuPosition, MenuPositions>	position;
 	
 		Params();
 	};
@@ -68,13 +70,15 @@ public:
 	void hideMenu();
 
 	LLToggleableMenu* getMenu();
-	void setMenu(LLToggleableMenu* menu, EMenuPosition position = MP_TOP_LEFT);
+	void setMenu(const std::string& menu_filename, EMenuPosition position = MP_TOP_LEFT);
+	void setMenu(LLToggleableMenu* menu, EMenuPosition position = MP_TOP_LEFT, bool take_ownership = false);
 
 	void setMenuPosition(EMenuPosition position) { mMenuPosition = position; }
 
 protected:
 	friend class LLUICtrlFactory;
 	LLMenuButton(const Params&);
+	~LLMenuButton();
 
 	void toggleMenu();
 	void updateMenuOrigin();
@@ -82,11 +86,14 @@ protected:
 	void onMenuVisibilityChange(const LLSD& param);
 
 private:
+	void cleanup();
+
 	LLHandle<LLView>		mMenuHandle;
 	bool					mIsMenuShown;
 	EMenuPosition			mMenuPosition;
 	S32						mX;
 	S32						mY;
+	bool					mOwnMenu; // true if we manage the menu lifetime
 };
 
 
diff --git a/indra/llui/llmenugl.cpp b/indra/llui/llmenugl.cpp
index efb9848a90..93dc13475b 100644
--- a/indra/llui/llmenugl.cpp
+++ b/indra/llui/llmenugl.cpp
@@ -1764,6 +1764,26 @@ bool LLMenuGL::addChild(LLView* view, S32 tab_group)
 	return false;
 }
 
+// Used in LLContextMenu and in LLTogleableMenu
+
+// Add an item to the context menu branch
+bool LLMenuGL::addContextChild(LLView* view, S32 tab_group)
+{
+	LLContextMenu* context = dynamic_cast<LLContextMenu*>(view);
+	if (context)
+		return appendContextSubMenu(context);
+
+	LLMenuItemSeparatorGL* separator = dynamic_cast<LLMenuItemSeparatorGL*>(view);
+	if (separator)
+		return append(separator);
+
+	LLMenuItemGL* item = dynamic_cast<LLMenuItemGL*>(view);
+	if (item)
+		return append(item);
+
+	return false;
+}
+
 void LLMenuGL::removeChild( LLView* ctrl)
 {
 	// previously a dynamic_cast with if statement to check validity
@@ -2501,6 +2521,32 @@ BOOL LLMenuGL::appendMenu( LLMenuGL* menu )
 	return success;
 }
 
+// add a context menu branch
+
+BOOL LLMenuGL::appendContextSubMenu(LLMenuGL *menu)
+
+{
+	if (menu == this)
+	{
+		llerrs << "Can't attach a context menu to itself" << llendl;
+	}
+
+	LLContextMenuBranch *item;
+	LLContextMenuBranch::Params p;
+
+	p.name = menu->getName();
+	p.label = menu->getLabel();
+	p.branch = (LLContextMenu *)menu;
+	p.enabled_color=LLUIColorTable::instance().getColor("MenuItemEnabledColor");
+	p.disabled_color=LLUIColorTable::instance().getColor("MenuItemDisabledColor");
+	p.highlight_bg_color=LLUIColorTable::instance().getColor("MenuItemHighlightBgColor");
+	p.highlight_fg_color=LLUIColorTable::instance().getColor("MenuItemHighlightFgColor");
+	item = LLUICtrlFactory::create<LLContextMenuBranch>(p);
+	LLMenuGL::sMenuContainer->addChild(item->getBranch());
+
+	return append( item );
+}
+
 void LLMenuGL::setEnabledSubMenus(BOOL enable)
 {
 	setEnabled(enable);
@@ -3037,7 +3083,17 @@ void LLMenuGL::showPopup(LLView* spawning_view, LLMenuGL* menu, S32 x, S32 y)
 	const S32 CURSOR_HEIGHT = 22;		// Approximate "normal" cursor size
 	const S32 CURSOR_WIDTH = 12;
 
-	if(menu->getChildList()->empty())
+	//Do not show menu if all menu items are disabled
+	BOOL item_enabled = false;
+	for (LLView::child_list_t::const_iterator itor = menu->getChildList()->begin();
+			 itor != menu->getChildList()->end();
+			 ++itor)
+	{
+		LLView *menu_item = (*itor);
+		item_enabled = item_enabled || menu_item->getEnabled();
+	}
+
+	if(menu->getChildList()->empty() || !item_enabled)
 	{
 		return;
 	}
@@ -3725,39 +3781,6 @@ void LLTearOffMenu::closeTearOff()
 	mMenu->setDropShadowed(TRUE);
 }
 
-
-//-----------------------------------------------------------------------------
-// class LLContextMenuBranch
-// A branch to another context menu
-//-----------------------------------------------------------------------------
-class LLContextMenuBranch : public LLMenuItemGL
-{
-public:
-	struct Params : public LLInitParam::Block<Params, LLMenuItemGL::Params>
-	{
-		Mandatory<LLContextMenu*> branch;
-	};
-
-	LLContextMenuBranch(const Params&);
-
-	virtual ~LLContextMenuBranch()
-	{}
-
-	// called to rebuild the draw label
-	virtual void	buildDrawLabel( void );
-
-	// onCommit() - do the primary funcationality of the menu item.
-	virtual void	onCommit( void );
-
-	LLContextMenu*	getBranch() { return mBranch.get(); }
-	void			setHighlight( BOOL highlight );
-
-protected:
-	void	showSubMenu();
-
-	LLHandle<LLContextMenu> mBranch;
-};
-
 LLContextMenuBranch::LLContextMenuBranch(const LLContextMenuBranch::Params& p) 
 :	LLMenuItemGL(p),
 	mBranch( p.branch()->getHandle() )
@@ -4029,49 +4052,8 @@ BOOL LLContextMenu::handleRightMouseUp( S32 x, S32 y, MASK mask )
 	return result;
 }
 
-void LLContextMenu::draw()
-{
-	LLMenuGL::draw();
-}
-
-BOOL LLContextMenu::appendContextSubMenu(LLContextMenu *menu)
-{
-	
-	if (menu == this)
-	{
-		llerrs << "Can't attach a context menu to itself" << llendl;
-	}
-
-	LLContextMenuBranch *item;
-	LLContextMenuBranch::Params p;
-	p.name = menu->getName();
-	p.label = menu->getLabel();
-	p.branch = menu;
-	p.enabled_color=LLUIColorTable::instance().getColor("MenuItemEnabledColor");
-	p.disabled_color=LLUIColorTable::instance().getColor("MenuItemDisabledColor");
-	p.highlight_bg_color=LLUIColorTable::instance().getColor("MenuItemHighlightBgColor");
-	p.highlight_fg_color=LLUIColorTable::instance().getColor("MenuItemHighlightFgColor");
-	
-	item = LLUICtrlFactory::create<LLContextMenuBranch>(p);
-	LLMenuGL::sMenuContainer->addChild(item->getBranch());
-
-	return append( item );
-}
-
 bool LLContextMenu::addChild(LLView* view, S32 tab_group)
 {
-	LLContextMenu* context = dynamic_cast<LLContextMenu*>(view);
-	if (context)
-		return appendContextSubMenu(context);
-
-	LLMenuItemSeparatorGL* separator = dynamic_cast<LLMenuItemSeparatorGL*>(view);
-	if (separator)
-		return append(separator);
-
-	LLMenuItemGL* item = dynamic_cast<LLMenuItemGL*>(view);
-	if (item)
-		return append(item);
-
-	return false;
+	return addContextChild(view, tab_group);
 }
 
diff --git a/indra/llui/llmenugl.h b/indra/llui/llmenugl.h
index 67b3e1fbe6..3e03232e92 100644
--- a/indra/llui/llmenugl.h
+++ b/indra/llui/llmenugl.h
@@ -519,6 +519,9 @@ public:
 	void resetScrollPositionOnShow(bool reset_scroll_pos) { mResetScrollPositionOnShow = reset_scroll_pos; }
 	bool isScrollPositionOnShowReset() { return mResetScrollPositionOnShow; }
 
+	// add a context menu branch
+	BOOL appendContextSubMenu(LLMenuGL *menu);
+
 protected:
 	void createSpilloverBranch();
 	void cleanupSpilloverBranch();
@@ -528,6 +531,10 @@ protected:
 	// add a menu - this will create a cascading menu
 	virtual BOOL appendMenu( LLMenuGL* menu );
 
+	// Used in LLContextMenu and in LLTogleableMenu
+	// to add an item of context menu branch
+	bool addContextChild(LLView* view, S32 tab_group);
+
 	// TODO: create accessor methods for these?
 	typedef std::list< LLMenuItemGL* > item_list_t;
 	item_list_t mItems;
@@ -668,8 +675,6 @@ public:
 	// can't set visibility directly, must call show or hide
 	virtual void	setVisible			(BOOL visible);
 	
-	virtual void	draw				();
-	
 	virtual void	show				(S32 x, S32 y, LLView* spawning_view = NULL);
 	virtual void	hide				();
 
@@ -679,8 +684,6 @@ public:
 
 	virtual bool	addChild			(LLView* view, S32 tab_group = 0);
 
-			BOOL	appendContextSubMenu(LLContextMenu *menu);
-
 			LLHandle<LLContextMenu> getHandle() { return getDerivedHandle<LLContextMenu>(); }
 
 			LLView*	getSpawningView() const		{ return mSpawningViewHandle.get(); }
@@ -693,7 +696,33 @@ protected:
 	LLHandle<LLView>			mSpawningViewHandle;
 };
 
+//-----------------------------------------------------------------------------
+// class LLContextMenuBranch
+// A branch to another context menu
+//-----------------------------------------------------------------------------
+class LLContextMenuBranch : public LLMenuItemGL
+{
+public:
+	struct Params : public LLInitParam::Block<Params, LLMenuItemGL::Params>
+	{
+		Mandatory<LLContextMenu*> branch;
+	};
+
+	LLContextMenuBranch(const Params&);
+
+	// Called to rebuild strings for this item
+	virtual void	buildDrawLabel( void );
 
+	// Performed when menu item clicked
+	virtual void	onCommit( void );
+
+	LLContextMenu*	getBranch() { return mBranch.get(); }
+	void			setHighlight( BOOL highlight );
+
+protected:
+	void			showSubMenu();
+	LLHandle<LLContextMenu> mBranch;
+};
 
 //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 // Class LLMenuBarGL
diff --git a/indra/llui/llmultifloater.cpp b/indra/llui/llmultifloater.cpp
index aa5f577897..59faabd482 100644
--- a/indra/llui/llmultifloater.cpp
+++ b/indra/llui/llmultifloater.cpp
@@ -37,12 +37,10 @@
 //
 
 LLMultiFloater::LLMultiFloater(const LLSD& key, const LLFloater::Params& params)
-	: LLFloater(key),
-	  mTabContainer(NULL),
-	  mTabPos(LLTabContainer::TOP),
-	  mAutoResize(TRUE),
-	  mOrigMinWidth(0),
-	  mOrigMinHeight(0)
+	: LLFloater(key)
+	, mTabContainer(NULL)
+	, mTabPos(LLTabContainer::TOP)
+	, mAutoResize(TRUE)
 {
 }
 
@@ -173,7 +171,7 @@ void LLMultiFloater::addFloater(LLFloater* floaterp, BOOL select_added_floater,
 	else if (floaterp->getHost())
 	{
 		// floaterp is hosted by somebody else and
-		// this is adding it, so remove it from it's old host
+		// this is adding it, so remove it from its old host
 		floaterp->getHost()->removeFloater(floaterp);
 	}
 	else if (floaterp->getParent() == gFloaterView)
@@ -188,11 +186,13 @@ void LLMultiFloater::addFloater(LLFloater* floaterp, BOOL select_added_floater,
 	floater_data.mHeight = floaterp->getRect().getHeight();
 	floater_data.mCanMinimize = floaterp->isMinimizeable();
 	floater_data.mCanResize = floaterp->isResizable();
+    floater_data.mSaveRect = floaterp->mSaveRect;
 
 	// remove minimize and close buttons
 	floaterp->setCanMinimize(FALSE);
 	floaterp->setCanResize(FALSE);
 	floaterp->setCanDrag(FALSE);
+	floaterp->mSaveRect = FALSE;
 	floaterp->storeRectControl();
 	// avoid double rendering of floater background (makes it more opaque)
 	floaterp->setBackgroundVisible(FALSE);
@@ -291,6 +291,7 @@ void LLMultiFloater::removeFloater(LLFloater* floaterp)
 	{
 		LLFloaterData& floater_data = found_data_it->second;
 		floaterp->setCanMinimize(floater_data.mCanMinimize);
+		floaterp->mSaveRect = floater_data.mSaveRect;
 		if (!floater_data.mCanResize)
 		{
 			// restore original size
@@ -468,23 +469,12 @@ BOOL LLMultiFloater::postBuild()
 
 void LLMultiFloater::updateResizeLimits()
 {
-	static LLUICachedControl<S32> tabcntr_close_btn_size ("UITabCntrCloseBtnSize", 0);
-	const LLFloater::Params& default_params = LLFloater::getDefaultParams();
-	S32 floater_header_size = default_params.header_height;
-	S32 tabcntr_header_height = LLPANEL_BORDER_WIDTH + tabcntr_close_btn_size;
 	// initialize minimum size constraint to the original xml values.
 	S32 new_min_width = mOrigMinWidth;
 	S32 new_min_height = mOrigMinHeight;
-	// possibly increase minimum size constraint due to children's minimums.
-	for (S32 tab_idx = 0; tab_idx < mTabContainer->getTabCount(); ++tab_idx)
-	{
-		LLFloater* floaterp = (LLFloater*)mTabContainer->getPanelByIndex(tab_idx);
-		if (floaterp)
-		{
-			new_min_width = llmax(new_min_width, floaterp->getMinWidth() + LLPANEL_BORDER_WIDTH * 2);
-			new_min_height = llmax(new_min_height, floaterp->getMinHeight() + floater_header_size + tabcntr_header_height);
-		}
-	}
+
+	computeResizeLimits(new_min_width, new_min_height);
+
 	setResizeLimits(new_min_width, new_min_height);
 
 	S32 cur_height = getRect().getHeight();
@@ -510,3 +500,22 @@ void LLMultiFloater::updateResizeLimits()
 		gFloaterView->adjustToFitScreen(this, TRUE);
 	}
 }
+
+void LLMultiFloater::computeResizeLimits(S32& new_min_width, S32& new_min_height)
+{
+	static LLUICachedControl<S32> tabcntr_close_btn_size ("UITabCntrCloseBtnSize", 0);
+	const LLFloater::Params& default_params = LLFloater::getDefaultParams();
+	S32 floater_header_size = default_params.header_height;
+	S32 tabcntr_header_height = LLPANEL_BORDER_WIDTH + tabcntr_close_btn_size;
+
+	// possibly increase minimum size constraint due to children's minimums.
+	for (S32 tab_idx = 0; tab_idx < mTabContainer->getTabCount(); ++tab_idx)
+	{
+		LLFloater* floaterp = (LLFloater*)mTabContainer->getPanelByIndex(tab_idx);
+		if (floaterp)
+		{
+			new_min_width = llmax(new_min_width, floaterp->getMinWidth() + LLPANEL_BORDER_WIDTH * 2);
+			new_min_height = llmax(new_min_height, floaterp->getMinHeight() + floater_header_size + tabcntr_header_height);
+		}
+	}
+}
diff --git a/indra/llui/llmultifloater.h b/indra/llui/llmultifloater.h
index 9fa917eca1..d992212650 100644
--- a/indra/llui/llmultifloater.h
+++ b/indra/llui/llmultifloater.h
@@ -45,8 +45,8 @@ public:
 	
 	virtual BOOL postBuild();
 	/*virtual*/ void onOpen(const LLSD& key);
-	/*virtual*/ void draw();
-	/*virtual*/ void setVisible(BOOL visible);
+	virtual void draw();
+	virtual void setVisible(BOOL visible);
 	/*virtual*/ BOOL handleKeyHere(KEY key, MASK mask);
 	/*virtual*/ bool addChild(LLView* view, S32 tab_group = 0);
 
@@ -79,10 +79,11 @@ public:
 protected:
 	struct LLFloaterData
 	{
-		S32		mWidth;
-		S32		mHeight;
-		BOOL	mCanMinimize;
-		BOOL	mCanResize;
+		S32		    mWidth;
+		S32		    mHeight;
+		BOOL	    mCanMinimize;
+		BOOL	    mCanResize;
+		BOOL        mSaveRect;
 	};
 
 	LLTabContainer*		mTabContainer;
@@ -93,6 +94,9 @@ protected:
 	LLTabContainer::TabPosition mTabPos;
 	BOOL				mAutoResize;
 	S32					mOrigMinWidth, mOrigMinHeight;  // logically const but initialized late
+
+private:
+	virtual void computeResizeLimits(S32& new_min_width, S32& new_min_height);
 };
 
 #endif  // LL_MULTI_FLOATER_H
diff --git a/indra/llui/llnotifications.cpp b/indra/llui/llnotifications.cpp
index 210a320f41..a5492b46f7 100644
--- a/indra/llui/llnotifications.cpp
+++ b/indra/llui/llnotifications.cpp
@@ -39,7 +39,6 @@
 #include "lldir.h"
 #include "llsdserialize.h"
 #include "lltrans.h"
-#include "llnotificationslistener.h"
 #include "llstring.h"
 #include "llsdparam.h"
 #include "llsdutil.h"
@@ -60,7 +59,8 @@ void NotificationPriorityValues::declareValues()
 }
 
 LLNotificationForm::FormElementBase::FormElementBase()
-:	name("name")
+:	name("name"),
+	enabled("enabled", true)
 {}
 
 LLNotificationForm::FormIgnore::FormIgnore()
@@ -104,39 +104,7 @@ LLNotificationForm::Params::Params()
 	form_elements("")
 {}
 
-// Local channel for persistent notifications
-// Stores only persistent notifications.
-// Class users can use connectChanged() to process persistent notifications
-// (see LLNotificationStorage for example).
-class LLPersistentNotificationChannel : public LLNotificationChannel
-{
-	LOG_CLASS(LLPersistentNotificationChannel);
-public:
-	LLPersistentNotificationChannel() :
-		LLNotificationChannel("Persistent", "Visible", &notificationFilter, LLNotificationComparators::orderByUUID())
-	{
-	}
-
-private:
 
-	// The channel gets all persistent notifications except those that have been canceled
-	static bool notificationFilter(LLNotificationPtr pNotification)
-	{
-		bool handle_notification = false;
-
-		handle_notification = pNotification->isPersistent()
-			&& !pNotification->isCancelled();
-
-		return handle_notification;
-	}
-
-	void onDelete(LLNotificationPtr pNotification)
-	{
-		// we want to keep deleted notifications in our log, otherwise some 
-		// notifications will be lost on exit.
-		mItems.insert(pNotification);
-	}
-};
 
 bool filterIgnoredNotifications(LLNotificationPtr notification)
 {
@@ -210,6 +178,14 @@ LLNotificationForm::LLNotificationForm()
 {
 }
 
+LLNotificationForm::LLNotificationForm( const LLNotificationForm& other )
+{
+	mFormData 	   = other.mFormData;
+	mIgnore 	   = other.mIgnore;
+	mIgnoreMsg 	   = other.mIgnoreMsg;
+	mIgnoreSetting = other.mIgnoreSetting;
+	mInvertSetting = other.mInvertSetting;
+}
 
 LLNotificationForm::LLNotificationForm(const std::string& name, const LLNotificationForm::Params& p) 
 :	mIgnore(IGNORE_NO),
@@ -246,14 +222,6 @@ LLNotificationForm::LLNotificationForm(const std::string& name, const LLNotifica
 	LLParamSDParser parser;
 	parser.writeSD(mFormData, p.form_elements);
 
-	if (!mFormData.isArray())
-	{
-		// change existing contents to a one element array
-		LLSD new_llsd_array = LLSD::emptyArray();
-		new_llsd_array.append(mFormData);
-		mFormData = new_llsd_array;
-	}
-
 	for (LLSD::array_iterator it = mFormData.beginArray(), end_it = mFormData.endArray();
 		it != end_it;
 		++it)
@@ -300,7 +268,7 @@ LLSD LLNotificationForm::getElement(const std::string& element_name)
 }
 
 
-bool LLNotificationForm::hasElement(const std::string& element_name)
+bool LLNotificationForm::hasElement(const std::string& element_name) const
 {
 	for (LLSD::array_const_iterator it = mFormData.beginArray();
 		it != mFormData.endArray();
@@ -311,7 +279,48 @@ bool LLNotificationForm::hasElement(const std::string& element_name)
 	return false;
 }
 
-void LLNotificationForm::addElement(const std::string& type, const std::string& name, const LLSD& value)
+void LLNotificationForm::getElements(LLSD& elements, S32 offset)
+{
+    //Finds elements that the template did not add
+    LLSD::array_const_iterator it = mFormData.beginArray() + offset;
+
+    //Keeps track of only the dynamic elements
+    for(; it != mFormData.endArray(); ++it)
+    {
+        elements.append(*it);
+    }
+}
+
+bool LLNotificationForm::getElementEnabled(const std::string& element_name) const
+{
+	for (LLSD::array_const_iterator it = mFormData.beginArray();
+		it != mFormData.endArray();
+		++it)
+	{
+		if ((*it)["name"].asString() == element_name)
+		{
+			return (*it)["enabled"].asBoolean();
+		}
+	}
+
+	return false;
+}
+
+void LLNotificationForm::setElementEnabled(const std::string& element_name, bool enabled)
+{
+	for (LLSD::array_iterator it = mFormData.beginArray();
+		it != mFormData.endArray();
+		++it)
+	{
+		if ((*it)["name"].asString() == element_name)
+		{
+			(*it)["enabled"] = enabled;
+		}
+	}
+}
+
+
+void LLNotificationForm::addElement(const std::string& type, const std::string& name, const LLSD& value, bool enabled)
 {
 	LLSD element;
 	element["type"] = type;
@@ -319,6 +328,7 @@ void LLNotificationForm::addElement(const std::string& type, const std::string&
 	element["text"] = name;
 	element["value"] = value;
 	element["index"] = mFormData.size();
+	element["enabled"] = enabled;
 	mFormData.append(element);
 }
 
@@ -408,14 +418,19 @@ LLNotificationTemplate::LLNotificationTemplate(const LLNotificationTemplate::Par
 	mURLOption(p.url.option),
 	mURLTarget(p.url.target),
 	mUnique(p.unique.isProvided()),
+	mCombineBehavior(p.unique.combine),
 	mPriority(p.priority),
 	mPersist(p.persist),
-	mDefaultFunctor(p.functor.isProvided() ? p.functor() : p.name())
+	mDefaultFunctor(p.functor.isProvided() ? p.functor() : p.name()),
+	mLogToChat(p.log_to_chat),
+	mLogToIM(p.log_to_im),
+	mShowToast(p.show_toast),
+    mSoundName("")
 {
 	if (p.sound.isProvided()
 		&& LLUI::sSettingGroups["config"]->controlExists(p.sound))
 	{
-		mSoundEffect = LLUUID(LLUI::sSettingGroups["config"]->getString(p.sound));
+		mSoundName = p.sound;
 	}
 
 	BOOST_FOREACH(const LLNotificationTemplate::UniquenessContext& context, p.unique.contexts)
@@ -460,18 +475,20 @@ LLNotificationVisibilityRule::LLNotificationVisibilityRule(const LLNotificationV
 	}
 }
 
-LLNotification::LLNotification(const LLNotification::Params& p) : 
+LLNotification::LLNotification(const LLSDParamAdapter<Params>& p) : 
 	mTimestamp(p.time_stamp), 
 	mSubstitutions(p.substitutions),
 	mPayload(p.payload),
-	mExpiresAt(0),
+	mExpiresAt(p.expiry),
 	mTemporaryResponder(false),
 	mRespondedTo(false),
 	mPriority(p.priority),
 	mCancelled(false),
 	mIgnored(false),
 	mResponderObj(NULL),
-	mIsReusable(false)
+	mId(p.id.isProvided() ? p.id : LLUUID::generateNewID()),
+	mOfferFromAgent(p.offer_from_agent),
+    mIsDND(p.is_dnd)
 {
 	if (p.functor.name.isChosen())
 	{
@@ -494,52 +511,52 @@ LLNotification::LLNotification(const LLNotification::Params& p) :
 		mResponderObj = p.responder;
 	}
 
-	mId.generate();
 	init(p.name, p.form_elements);
 }
 
 
-LLNotification::LLNotification(const LLSD& sd) :
-	mTemporaryResponder(false),
-	mRespondedTo(false),
-	mCancelled(false),
-	mIgnored(false),
-	mResponderObj(NULL),
-	mIsReusable(false)
-{ 
-	mId.generate();
-	mSubstitutions = sd["substitutions"];
-	mPayload = sd["payload"]; 
-	mTimestamp = sd["time"]; 
-	mExpiresAt = sd["expiry"];
-	mPriority = (ENotificationPriority)sd["priority"].asInteger();
-	mResponseFunctorName = sd["responseFunctor"].asString();
-	std::string templatename = sd["name"].asString();
-	init(templatename, LLSD());
-	// replace form with serialized version
-	mForm = LLNotificationFormPtr(new LLNotificationForm(sd["form"]));
-}
-
-
-LLSD LLNotification::asLLSD()
+LLSD LLNotification::asLLSD(bool excludeTemplateElements)
 {
-	LLSD output;
-	output["id"] = mId;
-	output["name"] = mTemplatep->mName;
-	output["form"] = getForm()->asLLSD();
-	output["substitutions"] = mSubstitutions;
-	output["payload"] = mPayload;
-	output["time"] = mTimestamp;
-	output["expiry"] = mExpiresAt;
-	output["priority"] = (S32)mPriority;
-	output["responseFunctor"] = mResponseFunctorName;
-	output["reusable"] = mIsReusable;
+	LLParamSDParser parser;
 
-	if(mResponder)
-	{
-		output["responder"] = mResponder->asLLSD();
+	Params p;
+	p.id = mId;
+	p.name = mTemplatep->mName;
+	p.substitutions = mSubstitutions;
+	p.payload = mPayload;
+	p.time_stamp = mTimestamp;
+	p.expiry = mExpiresAt;
+	p.priority = mPriority;
+
+    LLNotificationFormPtr templateForm = mTemplatep->mForm;
+    LLSD formElements = mForm->asLLSD();
+
+    //All form elements (dynamic or not)
+    if(!excludeTemplateElements)
+    {
+        p.form_elements = formElements;
+    }
+    //Only dynamic form elements (exclude template elements)
+    else if(templateForm->getNumElements() < formElements.size())
+    {
+        LLSD dynamicElements;
+        //Offset to dynamic elements and store them
+        mForm->getElements(dynamicElements, templateForm->getNumElements());
+        p.form_elements = dynamicElements;
+    }
+    
+    if(mResponder)
+    {
+        p.functor.responder_sd = mResponder->asLLSD();
+    }
+    
+	if(!mResponseFunctorName.empty())
+	{
+		p.functor.name = mResponseFunctorName;
 	}
 
+	LLSD output;
+	parser.writeSD(output, p);
 	return output;
 }
 
@@ -569,7 +586,6 @@ void LLNotification::updateFrom(LLNotificationPtr other)
 	mRespondedTo = other->mRespondedTo;
 	mResponse = other->mResponse;
 	mTemporaryResponder = other->mTemporaryResponder;
-	mIsReusable = other->isReusable();
 
 	update();
 }
@@ -668,7 +684,7 @@ void LLNotification::respond(const LLSD& response)
 		return;
 	}
 
-	if (mTemporaryResponder && !isReusable())
+	if (mTemporaryResponder)
 	{
 		LLNotificationFunctorRegistry::instance().unregisterFunctor(mResponseFunctorName);
 		mResponseFunctorName = "";
@@ -829,7 +845,7 @@ void LLNotification::init(const std::string& template_name, const LLSD& form_ele
 	//mSubstitutions["_ARGS"] = get_all_arguments_as_text(mSubstitutions);
 
 	mForm = LLNotificationFormPtr(new LLNotificationForm(*mTemplatep->mForm));
-	mForm->append(form_elements);
+    mForm->append(form_elements);
 
 	// apply substitution to form labels
 	mForm->formatElements(mSubstitutions);
@@ -897,6 +913,49 @@ std::string LLNotification::getURL() const
 	return (mTemplatep ? url : "");
 }
 
+bool LLNotification::canLogToChat() const
+{
+	return mTemplatep->mLogToChat;
+}
+
+bool LLNotification::canLogToIM() const
+{
+	return mTemplatep->mLogToIM;
+}
+
+bool LLNotification::canShowToast() const
+{
+	return mTemplatep->mShowToast;
+}
+
+bool LLNotification::hasFormElements() const
+{
+	return mTemplatep->mForm->getNumElements() != 0;
+}
+
+void LLNotification::playSound()
+{ 
+    make_ui_sound(mTemplatep->mSoundName.c_str());
+}
+
+LLNotification::ECombineBehavior LLNotification::getCombineBehavior() const
+{
+	return mTemplatep->mCombineBehavior;
+}
+
+void LLNotification::updateForm( const LLNotificationFormPtr& form )
+{
+	mForm = form;
+}
+
+void LLNotification::repost()
+{
+	mRespondedTo = false;
+	LLNotifications::instance().update(shared_from_this());
+}
+
+
+
 // =========================================================
 // LLNotificationChannel implementation
 // ---
@@ -957,7 +1016,7 @@ bool LLNotificationChannelBase::updateItem(const LLSD& payload, LLNotificationPt
 	std::string cmd = payload["sigtype"];
 	LLNotificationSet::iterator foundItem = mItems.find(pNotification);
 	bool wasFound = (foundItem != mItems.end());
-	bool passesFilter = mFilter(pNotification);
+	bool passesFilter = mFilter ? mFilter(pNotification) : true;
 	
 	// first, we offer the result of the filter test to the simple
 	// signals for pass/fail. One of these is guaranteed to be called.
@@ -966,10 +1025,12 @@ bool LLNotificationChannelBase::updateItem(const LLSD& payload, LLNotificationPt
 	bool abortProcessing = false;
 	if (passesFilter)
 	{
+		onFilterPass(pNotification);
 		abortProcessing = mPassedFilter(payload);
 	}
 	else
 	{
+		onFilterFail(pNotification);
 		abortProcessing = mFailedFilter(payload);
 	}
 	
@@ -987,8 +1048,8 @@ bool LLNotificationChannelBase::updateItem(const LLSD& payload, LLNotificationPt
 		{
 			// not in our list, add it and say so
 			mItems.insert(pNotification);
-			abortProcessing = mChanged(payload);
 			onLoad(pNotification);
+			abortProcessing = mChanged(payload);
 		}
 	}
 	else if (cmd == "change")
@@ -1003,18 +1064,18 @@ bool LLNotificationChannelBase::updateItem(const LLSD& payload, LLNotificationPt
 			{
 				// it already existed, so this is a change
 				// since it changed in place, all we have to do is resend the signal
-				abortProcessing = mChanged(payload);
 				onChange(pNotification);
+				abortProcessing = mChanged(payload);
 			}
 			else
 			{
 				// not in our list, add it and say so
 				mItems.insert(pNotification);
+				onChange(pNotification);
 				// our payload is const, so make a copy before changing it
 				LLSD newpayload = payload;
 				newpayload["sigtype"] = "add";
 				abortProcessing = mChanged(newpayload);
-				onChange(pNotification);
 			}
 		}
 		else
@@ -1023,11 +1084,11 @@ bool LLNotificationChannelBase::updateItem(const LLSD& payload, LLNotificationPt
 			{
 				// it already existed, so this is a delete
 				mItems.erase(pNotification);
+				onChange(pNotification);
 				// our payload is const, so make a copy before changing it
 				LLSD newpayload = payload;
 				newpayload["sigtype"] = "delete";
 				abortProcessing = mChanged(newpayload);
-				onChange(pNotification);
 			}
 			// didn't pass, not on our list, do nothing
 		}
@@ -1041,8 +1102,8 @@ bool LLNotificationChannelBase::updateItem(const LLSD& payload, LLNotificationPt
 		{
 			// not in our list, add it and say so
 			mItems.insert(pNotification);
-			abortProcessing = mChanged(payload);
 			onAdd(pNotification);
+			abortProcessing = mChanged(payload);
 		}
 	}
 	else if (cmd == "delete")
@@ -1050,65 +1111,35 @@ bool LLNotificationChannelBase::updateItem(const LLSD& payload, LLNotificationPt
 		// if we have it in our list, pass on the delete, then delete it, else do nothing
 		if (wasFound)
 		{
+			onDelete(pNotification);
 			abortProcessing = mChanged(payload);
-			// do not delete the notification to make LLChatHistory::appendMessage add notification panel to IM window
-			if( ! pNotification->isReusable() )
-			{
-				mItems.erase(pNotification);
-				onDelete(pNotification);
-			}
+			mItems.erase(pNotification);
 		}
 	}
 	return abortProcessing;
 }
 
-/* static */
-LLNotificationChannelPtr LLNotificationChannel::buildChannel(const std::string& name, 
-															 const std::string& parent,
-															 LLNotificationFilter filter, 
-															 LLNotificationComparator comparator)
+LLNotificationChannel::LLNotificationChannel(const Params& p)
+:	LLNotificationChannelBase(p.filter()),
+	LLInstanceTracker<LLNotificationChannel, std::string>(p.name.isProvided() ? p.name : LLUUID::generateNewID().asString()),
+	mName(p.name.isProvided() ? p.name : LLUUID::generateNewID().asString())
 {
-	// note: this is not a leak; notifications are self-registering.
-	// This factory helps to prevent excess deletions by making sure all smart
-	// pointers to notification channels come from the same source
-	new LLNotificationChannel(name, parent, filter, comparator);
-	return LLNotifications::instance().getChannel(name);
+	BOOST_FOREACH(const std::string& source, p.sources)
+{
+		connectToChannel(source);
+	}
 }
 
 
 LLNotificationChannel::LLNotificationChannel(const std::string& name, 
 											 const std::string& parent,
-											 LLNotificationFilter filter, 
-											 LLNotificationComparator comparator) : 
-LLNotificationChannelBase(filter, comparator),
-mName(name),
-mParent(parent)
-{
-	// store myself in the channel map
-	LLNotifications::instance().addChannel(LLNotificationChannelPtr(this));
+											 LLNotificationFilter filter) 
+:	LLNotificationChannelBase(filter),
+	LLInstanceTracker<LLNotificationChannel, std::string>(name),
+	mName(name)
+{
 	// bind to notification broadcast
-	if (parent.empty())
-	{
-		LLNotifications::instance().connectChanged(
-			boost::bind(&LLNotificationChannelBase::updateItem, this, _1));
-	}
-	else
-	{
-		LLNotificationChannelPtr p = LLNotifications::instance().getChannel(parent);
-		p->connectChanged(boost::bind(&LLNotificationChannelBase::updateItem, this, _1));
-	}
-}
-
-
-void LLNotificationChannel::setComparator(LLNotificationComparator comparator) 
-{ 
-	mComparator = comparator; 
-	LLNotificationSet s2(mComparator);
-	s2.insert(mItems.begin(), mItems.end());
-	mItems.swap(s2);
-	
-	// notify clients that we've been resorted
-	mChanged(LLSD().with("sigtype", "sort")); 
+	connectToChannel(parent);
 }
 
 bool LLNotificationChannel::isEmpty() const
@@ -1126,6 +1157,11 @@ LLNotificationChannel::Iterator LLNotificationChannel::end()
 	return mItems.end();
 }
 
+size_t LLNotificationChannel::size()
+{
+	return mItems.size();
+}
+
 std::string LLNotificationChannel::summarize()
 {
 	std::string s("Channel '");
@@ -1139,22 +1175,33 @@ std::string LLNotificationChannel::summarize()
 	return s;
 }
 
+void LLNotificationChannel::connectToChannel( const std::string& channel_name )
+{
+	if (channel_name.empty())
+	{
+		LLNotifications::instance().connectChanged(
+			boost::bind(&LLNotificationChannelBase::updateItem, this, _1));
+	}
+	else
+	{
+		LLNotificationChannelPtr p = LLNotifications::instance().getChannel(channel_name);
+		p->connectChanged(boost::bind(&LLNotificationChannelBase::updateItem, this, _1));
+	}
+}
 
 // ---
 // END OF LLNotificationChannel implementation
 // =========================================================
 
 
-// =========================================================
+// ==============================================	===========
 // LLNotifications implementation
 // ---
-LLNotifications::LLNotifications() : LLNotificationChannelBase(LLNotificationFilters::includeEverything,
-															   LLNotificationComparators::orderByUUID()),
-									mIgnoreAllNotifications(false)
+LLNotifications::LLNotifications() 
+:	LLNotificationChannelBase(LLNotificationFilters::includeEverything),
+	mIgnoreAllNotifications(false)
 {
 	LLUICtrl::CommitCallbackRegistry::currentRegistrar().add("Notification.Show", boost::bind(&LLNotifications::addFromCallback, this, _2));
-
-    mListener.reset(new LLNotificationsListener(*this));
 }
 
 
@@ -1191,7 +1238,15 @@ bool LLNotifications::uniqueFilter(LLNotificationPtr pNotif)
 		if (pNotif != existing_notification 
 			&& pNotif->isEquivalentTo(existing_notification))
 		{
-			return false;
+			if (pNotif->getCombineBehavior() == LLNotification::CANCEL_OLD)
+			{
+				cancel(existing_notification);
+				return true;
+			}
+			else
+			{
+				return false;
+			}
 		}
 	}
 
@@ -1231,43 +1286,43 @@ bool LLNotifications::failedUniquenessTest(const LLSD& payload)
 		return false;
 	}
 
-	// Update the existing unique notification with the data from this particular instance...
-	// This guarantees that duplicate notifications will be collapsed to the one
-	// most recently triggered
-	for (LLNotificationMap::iterator existing_it = mUniqueNotifications.find(pNotif->getName());
-		existing_it != mUniqueNotifications.end();
-		++existing_it)
+	switch(pNotif->getCombineBehavior())
 	{
-		LLNotificationPtr existing_notification = existing_it->second;
-		if (pNotif != existing_notification 
-			&& pNotif->isEquivalentTo(existing_notification))
+	case  LLNotification::REPLACE_WITH_NEW:
+		// Update the existing unique notification with the data from this particular instance...
+		// This guarantees that duplicate notifications will be collapsed to the one
+		// most recently triggered
+		for (LLNotificationMap::iterator existing_it = mUniqueNotifications.find(pNotif->getName());
+			existing_it != mUniqueNotifications.end();
+			++existing_it)
 		{
-			// copy notification instance data over to oldest instance
-			// of this unique notification and update it
-			existing_notification->updateFrom(pNotif);
-			// then delete the new one
-			cancel(pNotif);
+			LLNotificationPtr existing_notification = existing_it->second;
+			if (pNotif != existing_notification 
+				&& pNotif->isEquivalentTo(existing_notification))
+			{
+				// copy notification instance data over to oldest instance
+				// of this unique notification and update it
+				existing_notification->updateFrom(pNotif);
+				// then delete the new one
+				cancel(pNotif);
+			}
 		}
+		break;
+	case LLNotification::KEEP_OLD:
+		break;
+	case LLNotification::CANCEL_OLD:
+		// already handled by filter logic
+		break;
+	default:
+		break;
 	}
 
 	return false;
 }
 
-
-void LLNotifications::addChannel(LLNotificationChannelPtr pChan)
-{
-	mChannels[pChan->getName()] = pChan;
-}
-
 LLNotificationChannelPtr LLNotifications::getChannel(const std::string& channelName)
 {
-	ChannelMap::iterator p = mChannels.find(channelName);
-	if(p == mChannels.end())
-	{
-		llerrs << "Did not find channel named " << channelName << llendl;
-		return LLNotificationChannelPtr();
-	}
-	return p->second;
+	return LLNotificationChannelPtr(LLNotificationChannel::getInstance(channelName));
 }
 
 
@@ -1283,24 +1338,21 @@ void LLNotifications::createDefaultChannels()
 {
 	// now construct the various channels AFTER loading the notifications,
 	// because the history channel is going to rewrite the stored notifications file
-	LLNotificationChannel::buildChannel("Enabled", "",
-		!boost::bind(&LLNotifications::getIgnoreAllNotifications, this));
-	LLNotificationChannel::buildChannel("Expiration", "Enabled",
-		boost::bind(&LLNotifications::expirationFilter, this, _1));
-	LLNotificationChannel::buildChannel("Unexpired", "Enabled",
-		!boost::bind(&LLNotifications::expirationFilter, this, _1)); // use negated bind
-	LLNotificationChannel::buildChannel("Unique", "Unexpired",
-		boost::bind(&LLNotifications::uniqueFilter, this, _1));
-	LLNotificationChannel::buildChannel("Ignore", "Unique",
-		filterIgnoredNotifications);
-	LLNotificationChannel::buildChannel("VisibilityRules", "Ignore",
-		boost::bind(&LLNotifications::isVisibleByRules, this, _1));
-	LLNotificationChannel::buildChannel("Visible", "VisibilityRules",
-		&LLNotificationFilters::includeEverything);
-
-	// create special persistent notification channel
-	// this isn't a leak, don't worry about the empty "new"
-	new LLPersistentNotificationChannel();
+	mDefaultChannels.push_back(new LLNotificationChannel("Enabled", "",
+		!boost::bind(&LLNotifications::getIgnoreAllNotifications, this)));
+	mDefaultChannels.push_back(new LLNotificationChannel("Expiration", "Enabled",
+		boost::bind(&LLNotifications::expirationFilter, this, _1)));
+	mDefaultChannels.push_back(new LLNotificationChannel("Unexpired", "Enabled",
+		!boost::bind(&LLNotifications::expirationFilter, this, _1))); // use negated bind
+	mDefaultChannels.push_back(new LLNotificationChannel("Unique", "Unexpired",
+		boost::bind(&LLNotifications::uniqueFilter, this, _1)));
+	mDefaultChannels.push_back(new LLNotificationChannel("Ignore", "Unique",
+		filterIgnoredNotifications));
+	mDefaultChannels.push_back(new LLNotificationChannel("VisibilityRules", "Ignore",
+		boost::bind(&LLNotifications::isVisibleByRules, this, _1)));
+	mDefaultChannels.push_back(new LLNotificationChannel("Visible", "VisibilityRules",
+		&LLNotificationFilters::includeEverything));
+	mDefaultChannels.push_back(new LLPersistentNotificationChannel());
 
 	// connect action methods to these channels
 	LLNotifications::instance().getChannel("Enabled")->
@@ -1532,34 +1584,32 @@ void LLNotifications::addFromCallback(const LLSD& name)
 	add(name.asString(), LLSD(), LLSD());
 }
 
-LLNotificationPtr LLNotifications::add(const std::string& name, 
-									   const LLSD& substitutions, 
-									   const LLSD& payload)
+LLNotificationPtr LLNotifications::add(const std::string& name, const LLSD& substitutions, const LLSD& payload)
 {
 	LLNotification::Params::Functor functor_p;
 	functor_p.name = name;
 	return add(LLNotification::Params().name(name).substitutions(substitutions).payload(payload).functor(functor_p));	
 }
 
-LLNotificationPtr LLNotifications::add(const std::string& name, 
-									   const LLSD& substitutions, 
-									   const LLSD& payload, 
-									   const std::string& functor_name)
+LLNotificationPtr LLNotifications::add(const std::string& name, const LLSD& substitutions, const LLSD& payload, const std::string& functor_name)
 {
 	LLNotification::Params::Functor functor_p;
 	functor_p.name = functor_name;
-	return add(LLNotification::Params().name(name).substitutions(substitutions).payload(payload).functor(functor_p));	
+	return add(LLNotification::Params().name(name)
+										.substitutions(substitutions)
+										.payload(payload)
+										.functor(functor_p));	
 }
 							  
 //virtual
-LLNotificationPtr LLNotifications::add(const std::string& name, 
-										const LLSD& substitutions, 
-										const LLSD& payload, 
-										LLNotificationFunctorRegistry::ResponseFunctor functor)
+LLNotificationPtr LLNotifications::add(const std::string& name, const LLSD& substitutions, const LLSD& payload, LLNotificationFunctorRegistry::ResponseFunctor functor)
 {
 	LLNotification::Params::Functor functor_p;
 	functor_p.function = functor;
-	return add(LLNotification::Params().name(name).substitutions(substitutions).payload(payload).functor(functor_p));	
+	return add(LLNotification::Params().name(name)
+										.substitutions(substitutions)
+										.payload(payload)
+										.functor(functor_p));	
 }
 
 // generalized add function that takes a parameter block object for more complex instantiations
@@ -1590,12 +1640,11 @@ void LLNotifications::cancel(LLNotificationPtr pNotif)
 	if (pNotif == NULL || pNotif->isCancelled()) return;
 
 	LLNotificationSet::iterator it=mItems.find(pNotif);
-	if (it == mItems.end())
+	if (it != mItems.end())
 	{
-		llerrs << "Attempted to delete nonexistent notification " << pNotif->getName() << llendl;
+		pNotif->cancel();
+		updateItem(LLSD().with("sigtype", "delete").with("id", pNotif->id()), pNotif);
 	}
-	pNotif->cancel();
-	updateItem(LLSD().with("sigtype", "delete").with("id", pNotif->id()), pNotif);
 }
 
 void LLNotifications::cancelByName(const std::string& name)
@@ -1634,7 +1683,7 @@ void LLNotifications::update(const LLNotificationPtr pNotif)
 
 LLNotificationPtr LLNotifications::find(LLUUID uuid)
 {
-	LLNotificationPtr target = LLNotificationPtr(new LLNotification(uuid));
+	LLNotificationPtr target = LLNotificationPtr(new LLNotification(LLNotification::Params().id(uuid)));
 	LLNotificationSet::iterator it=mItems.find(target);
 	if (it == mItems.end())
 	{
@@ -1773,22 +1822,18 @@ std::ostream& operator<<(std::ostream& s, const LLNotification& notification)
 	return s;
 }
 
-//static
-void LLPostponedNotification::lookupName(LLPostponedNotification* thiz,
-										 const LLUUID& id,
+void LLPostponedNotification::lookupName(const LLUUID& id,
 										 bool is_group)
 {
 	if (is_group)
 	{
 		gCacheName->getGroup(id,
 			boost::bind(&LLPostponedNotification::onGroupNameCache,
-				thiz, _1, _2, _3));
+				this, _1, _2, _3));
 	}
 	else
 	{
-		LLAvatarNameCache::get(id,
-			boost::bind(&LLPostponedNotification::onAvatarNameCache,
-				thiz, _1, _2));
+		fetchAvatarName(id);
 	}
 }
 
@@ -1799,9 +1844,23 @@ void LLPostponedNotification::onGroupNameCache(const LLUUID& id,
 	finalizeName(full_name);
 }
 
+void LLPostponedNotification::fetchAvatarName(const LLUUID& id)
+{
+	if (id.notNull())
+	{
+		if (mAvatarNameCacheConnection.connected())
+		{
+			mAvatarNameCacheConnection.disconnect();
+		}
+		mAvatarNameCacheConnection = LLAvatarNameCache::get(id, boost::bind(&LLPostponedNotification::onAvatarNameCache, this, _1, _2));
+	}
+}
+
 void LLPostponedNotification::onAvatarNameCache(const LLUUID& agent_id,
 												const LLAvatarName& av_name)
 {
+	mAvatarNameCacheConnection.disconnect();
+	
 	std::string name = av_name.getCompleteName();
 
 	// from PE merge - we should figure out if this is the right thing to do
diff --git a/indra/llui/llnotifications.h b/indra/llui/llnotifications.h
index 4ae02b943f..236c2a42d1 100644
--- a/indra/llui/llnotifications.h
+++ b/indra/llui/llnotifications.h
@@ -87,17 +87,15 @@
 #include <boost/shared_ptr.hpp>
 #include <boost/enable_shared_from_this.hpp>
 #include <boost/type_traits.hpp>
+#include <boost/signals2.hpp>
 
-// we want to minimize external dependencies, but this one is important
-#include "llsd.h"
-
-// and we need this to manage the notification callbacks
 #include "llevents.h"
 #include "llfunctorregistry.h"
-#include "llpointer.h"
 #include "llinitparam.h"
-#include "llnotificationslistener.h"
 #include "llnotificationptr.h"
+#include "llpointer.h"
+#include "llrefcount.h"
+#include "llsdparam.h"
 
 class LLAvatarName;
 typedef enum e_notification_priority
@@ -164,6 +162,7 @@ public:
 	struct FormElementBase : public LLInitParam::Block<FormElementBase>
 	{
 		Optional<std::string>	name;
+		Optional<bool>			enabled;
 
 		FormElementBase();
 	};
@@ -233,16 +232,21 @@ public:
 	} EIgnoreType;
 
 	LLNotificationForm();
+	LLNotificationForm(const LLNotificationForm&);
 	LLNotificationForm(const LLSD& sd);
 	LLNotificationForm(const std::string& name, const Params& p);
 
+	void fromLLSD(const LLSD& sd);
 	LLSD asLLSD() const;
 
 	S32 getNumElements() { return mFormData.size(); }
 	LLSD getElement(S32 index) { return mFormData.get(index); }
 	LLSD getElement(const std::string& element_name);
-	bool hasElement(const std::string& element_name);
-	void addElement(const std::string& type, const std::string& name, const LLSD& value = LLSD());
+    void getElements(LLSD& elements, S32 offset = 0);
+	bool hasElement(const std::string& element_name) const;
+	bool getElementEnabled(const std::string& element_name) const;
+	void setElementEnabled(const std::string& element_name, bool enabled);
+	void addElement(const std::string& type, const std::string& name, const LLSD& value = LLSD(), bool enabled = true);
 	void formatElements(const LLSD& substitutions);
 	// appends form elements from another form serialized as LLSD
 	void append(const LLSD& sub_form);
@@ -296,42 +300,52 @@ LOG_CLASS(LLNotification);
 friend class LLNotifications;
 
 public:
+
 	// parameter object used to instantiate a new notification
 	struct Params : public LLInitParam::Block<Params>
 	{
 		friend class LLNotification;
 	
 		Mandatory<std::string>					name;
-
-		// optional
-		Optional<LLSD>							substitutions;
-		Optional<LLSD>							payload;
+		Optional<LLUUID>						id;
+		Optional<LLSD>							substitutions,
+												form_elements,
+												payload;
 		Optional<ENotificationPriority, NotificationPriorityValues>	priority;
-		Optional<LLSD>							form_elements;
-		Optional<LLDate>						time_stamp;
+		Optional<LLDate>						time_stamp,
+												expiry;
 		Optional<LLNotificationContext*>		context;
 		Optional<void*>							responder;
+		Optional<bool>							offer_from_agent;
+        Optional<bool>							is_dnd;
 
 		struct Functor : public LLInitParam::ChoiceBlock<Functor>
 		{
 			Alternative<std::string>										name;
 			Alternative<LLNotificationFunctorRegistry::ResponseFunctor>	function;
 			Alternative<LLNotificationResponderPtr>						responder;
+            Alternative<LLSD>						                    responder_sd;
 
 			Functor()
-			:	name("functor_name"),
+			:	name("responseFunctor"),
 				function("functor"),
-				responder("responder")
+				responder("responder"),
+                responder_sd("responder_sd")
 			{}
 		};
 		Optional<Functor>						functor;
 
 		Params()
 		:	name("name"),
+			id("id"),
 			priority("priority", NOTIFICATION_PRIORITY_UNSPECIFIED),
-			time_stamp("time_stamp"),
+			time_stamp("time"),
 			payload("payload"),
-			form_elements("form_elements")
+			form_elements("form"),
+			substitutions("substitutions"),
+			expiry("expiry"),
+			offer_from_agent("offer_from_agent", false),
+            is_dnd("is_dnd", false)
 		{
 			time_stamp = LLDate::now();
 			responder = NULL;
@@ -340,9 +354,13 @@ public:
 		Params(const std::string& _name) 
 		:	name("name"),
 			priority("priority", NOTIFICATION_PRIORITY_UNSPECIFIED),
-			time_stamp("time_stamp"),
+			time_stamp("time"),
 			payload("payload"),
-			form_elements("form_elements")
+			form_elements("form"),
+			substitutions("substitutions"),
+			expiry("expiry"),
+			offer_from_agent("offer_from_agent", false),
+            is_dnd("is_dnd", false)
 		{
 			functor.name = _name;
 			name = _name;
@@ -355,7 +373,7 @@ public:
 
 private:
 	
-	LLUUID mId;
+	const LLUUID mId;
 	LLSD mPayload;
 	LLSD mSubstitutions;
 	LLDate mTimestamp;
@@ -367,8 +385,9 @@ private:
 	ENotificationPriority mPriority;
 	LLNotificationFormPtr mForm;
 	void* mResponderObj; // TODO - refactor/remove this field
-	bool mIsReusable;
 	LLNotificationResponderPtr mResponder;
+	bool mOfferFromAgent;
+    bool mIsDND;
 
 	// a reference to the template
 	LLNotificationTemplatePtr mTemplatep;
@@ -392,18 +411,10 @@ private:
 
 	void init(const std::string& template_name, const LLSD& form_elements);
 
-	LLNotification(const Params& p);
-
-	// this is just for making it easy to look things up in a set organized by UUID -- DON'T USE IT
-	// for anything real!
- LLNotification(LLUUID uuid) : mId(uuid), mCancelled(false), mRespondedTo(false), mIgnored(false), mPriority(NOTIFICATION_PRIORITY_UNSPECIFIED), mTemporaryResponder(false) {}
-
 	void cancel();
 
 public:
-
-	// constructor from a saved notification
-	LLNotification(const LLSD& sd);
+	LLNotification(const LLSDParamAdapter<Params>& p);
 
 	void setResponseFunctor(std::string const &responseFunctorName);
 
@@ -446,7 +457,12 @@ public:
 	// ["time"] = time at which notification was generated;
 	// ["expiry"] = time at which notification expires;
 	// ["responseFunctor"] = name of registered functor that handles responses to notification;
-	LLSD asLLSD();
+	LLSD asLLSD(bool excludeTemplateElements = false);
+
+	const LLNotificationFormPtr getForm();
+	void updateForm(const LLNotificationFormPtr& form);
+
+	void repost();
 
 	void respond(const LLSD& sd);
 	void respondWithDefault();
@@ -507,6 +523,21 @@ public:
 		return mTimestamp;
 	}
 
+	bool getOfferFromAgent() const
+	{
+		return mOfferFromAgent;
+	}
+
+    bool isDND() const
+    {
+        return mIsDND;
+    }
+
+    void setDND(const bool flag)
+    {
+        mIsDND = flag;
+    }
+
 	std::string getType() const;
 	std::string getMessage() const;
 	std::string getFooter() const;
@@ -514,8 +545,21 @@ public:
 	std::string getURL() const;
 	S32 getURLOption() const;
     S32 getURLOpenExternally() const;
+	bool canLogToChat() const;
+	bool canLogToIM() const;
+	bool canShowToast() const;
+	bool hasFormElements() const;
+    void playSound();
+
+	typedef enum e_combine_behavior
+	{
+		REPLACE_WITH_NEW,
+		KEEP_OLD,
+		CANCEL_OLD
+
+	} ECombineBehavior;
 	
-	const LLNotificationFormPtr getForm();
+	ECombineBehavior getCombineBehavior() const;
 
 	const LLDate getExpiration() const
 	{
@@ -532,10 +576,6 @@ public:
 		return mId;
 	}
 
-	bool isReusable() { return mIsReusable; }
-
-	void setReusable(bool reusable) { mIsReusable = reusable; }
-	
 	// comparing two notifications normally means comparing them by UUID (so we can look them
 	// up quickly this way)
 	bool operator<(const LLNotification& rhs) const
@@ -647,44 +687,17 @@ namespace LLNotificationFilters
 
 namespace LLNotificationComparators
 {
-	typedef enum e_direction { ORDER_DECREASING, ORDER_INCREASING } EDirection;
-
-	// generic order functor that takes method or member variable reference
-	template<typename T>
-	struct orderBy
+	struct orderByUUID
 	{
-		typedef boost::function<T (LLNotificationPtr)> field_t;
-        	orderBy(field_t field, EDirection direction = ORDER_INCREASING) : mField(field), mDirection(direction) {}
 		bool operator()(LLNotificationPtr lhs, LLNotificationPtr rhs)
 		{
-			if (mDirection == ORDER_DECREASING)
-			{
-				return mField(lhs) > mField(rhs);
-			}
-			else
-			{
-				return mField(lhs) < mField(rhs);
-			}
+			return lhs->id() < rhs->id();
 		}
-
-		field_t mField;
-		EDirection mDirection;
-	};
-
-	struct orderByUUID : public orderBy<const LLUUID&>
-	{
-		orderByUUID(EDirection direction = ORDER_INCREASING) : orderBy<const LLUUID&>(&LLNotification::id, direction) {}
-	};
-
-	struct orderByDate : public orderBy<const LLDate&>
-	{
-		orderByDate(EDirection direction = ORDER_INCREASING) : orderBy<const LLDate&>(&LLNotification::getDate, direction) {}
 	};
 };
 
 typedef boost::function<bool (LLNotificationPtr)> LLNotificationFilter;
-typedef boost::function<bool (LLNotificationPtr, LLNotificationPtr)> LLNotificationComparator;
-typedef std::set<LLNotificationPtr, LLNotificationComparator> LLNotificationSet;
+typedef std::set<LLNotificationPtr, LLNotificationComparators::orderByUUID> LLNotificationSet;
 typedef std::multimap<std::string, LLNotificationPtr> LLNotificationMap;
 
 // ========================================================
@@ -705,12 +718,14 @@ typedef std::multimap<std::string, LLNotificationPtr> LLNotificationMap;
 // all of the built-in tests should attach to the "Visible" channel
 //
 class LLNotificationChannelBase :
-	public LLEventTrackable
+	public LLEventTrackable,
+	public LLRefCount
 {
 	LOG_CLASS(LLNotificationChannelBase);
 public:
-	LLNotificationChannelBase(LLNotificationFilter filter, LLNotificationComparator comp) : 
-		mFilter(filter), mItems(comp) 
+	LLNotificationChannelBase(LLNotificationFilter filter) 
+	:	mFilter(filter), 
+		mItems() 
 	{}
 	virtual ~LLNotificationChannelBase() {}
 	// you can also connect to a Channel, so you can be notified of
@@ -776,6 +791,9 @@ protected:
 	virtual void onDelete(LLNotificationPtr p) {}
 	virtual void onChange(LLNotificationPtr p) {}
 
+	virtual void onFilterPass(LLNotificationPtr p) {}
+	virtual void onFilterFail(LLNotificationPtr p) {}
+
 	bool updateItem(const LLSD& payload, LLNotificationPtr pNotification);
 	LLNotificationFilter mFilter;
 };
@@ -785,63 +803,52 @@ protected:
 // destroy it, but if it becomes necessary to do so, the shared_ptr model
 // will ensure that we don't leak resources.
 class LLNotificationChannel;
-typedef boost::shared_ptr<LLNotificationChannel> LLNotificationChannelPtr;
+typedef boost::intrusive_ptr<LLNotificationChannel> LLNotificationChannelPtr;
 
 // manages a list of notifications
 // Note that if this is ever copied around, we might find ourselves with multiple copies
 // of a queue with notifications being added to different nonequivalent copies. So we 
-// make it inherit from boost::noncopyable, and then create a map of shared_ptr to manage it.
-// 
-// NOTE: LLNotificationChannel is self-registering. The *correct* way to create one is to 
-// do something like:
-//		LLNotificationChannel::buildChannel("name", "parent"...);
-// This returns an LLNotificationChannelPtr, which you can store, or
-// you can then retrieve the channel by using the registry:
-//		LLNotifications::instance().getChannel("name")...
+// make it inherit from boost::noncopyable, and then create a map of LLPointer to manage it.
 //
 class LLNotificationChannel : 
 	boost::noncopyable, 
-	public LLNotificationChannelBase
+	public LLNotificationChannelBase,
+	public LLInstanceTracker<LLNotificationChannel, std::string>
 {
 	LOG_CLASS(LLNotificationChannel);
 
 public:  
+	// Notification Channels have a filter, which determines which notifications
+	// will be added to this channel. 
+	// Channel filters cannot change.
+	struct Params : public LLInitParam::Block<Params>
+	{
+		Mandatory<std::string>				name;
+		Optional<LLNotificationFilter>		filter;
+		Multiple<std::string>				sources;
+	};
+
+	LLNotificationChannel(const Params& p = Params());
+	LLNotificationChannel(const std::string& name, const std::string& parent, LLNotificationFilter filter);
+
 	virtual ~LLNotificationChannel() {}
 	typedef LLNotificationSet::iterator Iterator;
     
 	std::string getName() const { return mName; }
-	std::string getParentChannelName() { return mParent; }
+    
+	void connectToChannel(const std::string& channel_name);
     
     bool isEmpty() const;
     
     Iterator begin();
     Iterator end();
+	size_t size();
 
-    // Channels have a comparator to control sort order;
-	// the default sorts by arrival date
-    void setComparator(LLNotificationComparator comparator);
-	
 	std::string summarize();
 
-	// factory method for constructing these channels; since they're self-registering,
-	// we want to make sure that you can't use new to make them
-	static LLNotificationChannelPtr buildChannel(const std::string& name, const std::string& parent,
-						LLNotificationFilter filter=LLNotificationFilters::includeEverything, 
-						LLNotificationComparator comparator=LLNotificationComparators::orderByUUID());
-	
-protected:
-    // Notification Channels have a filter, which determines which notifications
-	// will be added to this channel. 
-	// Channel filters cannot change.
-	// Channels have a protected constructor so you can't make smart pointers that don't 
-	// come from our internal reference; call NotificationChannel::build(args)
-	LLNotificationChannel(const std::string& name, const std::string& parent,
-						  LLNotificationFilter filter, LLNotificationComparator comparator);
-
 private:
 	std::string mName;
 	std::string mParent;
-	LLNotificationComparator mComparator;
 };
 
 // An interface class to provide a clean linker seam to the LLNotifications class.
@@ -924,10 +931,6 @@ public:
 
 	void createDefaultChannels();
 
-	typedef std::map<std::string, LLNotificationChannelPtr> ChannelMap;
-	ChannelMap mChannels;
-
-	void addChannel(LLNotificationChannelPtr pChan);
 	LLNotificationChannelPtr getChannel(const std::string& channelName);
 	
 	std::string getGlobalString(const std::string& key) const;
@@ -965,7 +968,7 @@ private:
 
 	bool mIgnoreAllNotifications;
 
-    boost::scoped_ptr<LLNotificationsListener> mListener;
+	std::vector<LLNotificationChannelPtr> mDefaultChannels;
 };
 
 /**
@@ -996,14 +999,15 @@ public:
 		thiz->mParams = params;
 
 		// Avoid header file dependency on llcachename.h
-		lookupName(thiz, id, is_group);
+		thiz->lookupName(id, is_group);
 	}
 
 private:
-	static void lookupName(LLPostponedNotification* thiz, const LLUUID& id, bool is_group);
+	void lookupName(const LLUUID& id, bool is_group);
 	// only used for groups
 	void onGroupNameCache(const LLUUID& id, const std::string& full_name, bool is_group);
 	// only used for avatars
+	void fetchAvatarName(const LLUUID& id);
 	void onAvatarNameCache(const LLUUID& agent_id, const LLAvatarName& av_name);
 	// used for both group and avatar names
 	void finalizeName(const std::string& name);
@@ -1014,8 +1018,19 @@ private:
 	}
 
 protected:
-	LLPostponedNotification() {}
-	virtual ~LLPostponedNotification() {}
+	LLPostponedNotification()
+		: mParams(),
+		mName(),
+		mAvatarNameCacheConnection()
+	{}
+
+	virtual ~LLPostponedNotification()
+	{
+		if (mAvatarNameCacheConnection.connected())
+		{
+			mAvatarNameCacheConnection.disconnect();
+		}
+	}
 
 	/**
 	 * Abstract method provides possibility to modify notification parameters and
@@ -1026,6 +1041,58 @@ protected:
 
 	LLNotification::Params mParams;
 	std::string mName;
+	boost::signals2::connection mAvatarNameCacheConnection;
+};
+
+// Stores only persistent notifications.
+// Class users can use connectChanged() to process persistent notifications
+// (see LLPersistentNotificationStorage for example).
+class LLPersistentNotificationChannel : public LLNotificationChannel
+{
+	LOG_CLASS(LLPersistentNotificationChannel);
+public:
+	LLPersistentNotificationChannel() 
+		:	LLNotificationChannel("Persistent", "Visible", &notificationFilter)
+	{
+	}
+
+	typedef std::vector<LLNotificationPtr> history_list_t;
+	history_list_t::iterator beginHistory() { sortHistory(); return mHistory.begin(); }
+	history_list_t::iterator endHistory() { return mHistory.end(); }
+
+private:
+
+	struct sortByTime
+	{
+		S32 operator ()(const LLNotificationPtr& a, const LLNotificationPtr& b)
+		{
+			return a->getDate() < b->getDate();
+		}
+	};
+
+	void sortHistory()
+	{
+		std::sort(mHistory.begin(), mHistory.end(), sortByTime());
+	}
+
+
+	// The channel gets all persistent notifications except those that have been canceled
+	static bool notificationFilter(LLNotificationPtr pNotification)
+	{
+		bool handle_notification = false;
+
+		handle_notification = pNotification->isPersistent()
+			&& !pNotification->isCancelled();
+
+		return handle_notification;
+	}
+
+	void onAdd(LLNotificationPtr p) 
+	{
+		mHistory.push_back(p);
+	}
+
+	std::vector<LLNotificationPtr> mHistory;
 };
 
 #endif//LL_LLNOTIFICATIONS_H
diff --git a/indra/llui/llnotificationslistener.cpp b/indra/llui/llnotificationslistener.cpp
deleted file mode 100644
index 3bbeb3a778..0000000000
--- a/indra/llui/llnotificationslistener.cpp
+++ /dev/null
@@ -1,354 +0,0 @@
-/**
- * @file   llnotificationslistener.cpp
- * @author Brad Kittenbrink
- * @date   2009-07-08
- * @brief  Implementation for llnotificationslistener.
- * 
- * $LicenseInfo:firstyear=2009&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#include "linden_common.h"
-#include "llnotificationslistener.h"
-#include "llnotifications.h"
-#include "llnotificationtemplate.h"
-#include "llsd.h"
-#include "llui.h"
-
-LLNotificationsListener::LLNotificationsListener(LLNotifications & notifications) :
-    LLEventAPI("LLNotifications",
-               "LLNotifications listener to (e.g.) pop up a notification"),
-    mNotifications(notifications)
-{
-    add("requestAdd",
-        "Add a notification with specified [\"name\"], [\"substitutions\"] and [\"payload\"].\n"
-        "If optional [\"reply\"] specified, arrange to send user response on that LLEventPump.",
-        &LLNotificationsListener::requestAdd);
-    add("listChannels",
-        "Post to [\"reply\"] a map of info on existing channels",
-        &LLNotificationsListener::listChannels,
-        LLSD().with("reply", LLSD()));
-    add("listChannelNotifications",
-        "Post to [\"reply\"] an array of info on notifications in channel [\"channel\"]",
-        &LLNotificationsListener::listChannelNotifications,
-        LLSD().with("reply", LLSD()).with("channel", LLSD()));
-    add("respond",
-        "Respond to notification [\"uuid\"] with data in [\"response\"]",
-        &LLNotificationsListener::respond,
-        LLSD().with("uuid", LLSD()));
-    add("cancel",
-        "Cancel notification [\"uuid\"]",
-        &LLNotificationsListener::cancel,
-        LLSD().with("uuid", LLSD()));
-    add("ignore",
-        "Ignore future notification [\"name\"]\n"
-        "(from <notification name= > in notifications.xml)\n"
-        "according to boolean [\"ignore\"].\n"
-        "If [\"name\"] is omitted or undefined, [un]ignore all future notifications.\n"
-        "Note that ignored notifications are not forwarded unless intercepted before\n"
-        "the \"Ignore\" channel.",
-        &LLNotificationsListener::ignore);
-    add("forward",
-        "Forward to [\"pump\"] future notifications on channel [\"channel\"]\n"
-        "according to boolean [\"forward\"]. When enabled, only types matching\n"
-        "[\"types\"] are forwarded, as follows:\n"
-        "omitted or undefined: forward all notifications\n"
-        "string: forward only the specific named [sig]type\n"
-        "array of string: forward any notification matching any named [sig]type.\n"
-        "When boolean [\"respond\"] is true, we auto-respond to each forwarded\n"
-        "notification.",
-        &LLNotificationsListener::forward,
-        LLSD().with("channel", LLSD()));
-}
-
-// This is here in the .cpp file so we don't need the definition of class
-// Forwarder in the header file.
-LLNotificationsListener::~LLNotificationsListener()
-{
-}
-
-void LLNotificationsListener::requestAdd(const LLSD& event_data) const
-{
-	if(event_data.has("reply"))
-	{
-		mNotifications.add(event_data["name"], 
-						   event_data["substitutions"], 
-						   event_data["payload"],
-						   boost::bind(&LLNotificationsListener::NotificationResponder, 
-									   this, 
-									   event_data["reply"].asString(), 
-									   _1, _2
-									   )
-						   );
-	}
-	else
-	{
-		mNotifications.add(event_data["name"], 
-						   event_data["substitutions"], 
-						   event_data["payload"]);
-	}
-}
-
-void LLNotificationsListener::NotificationResponder(const std::string& reply_pump, 
-										const LLSD& notification, 
-										const LLSD& response) const
-{
-	LLSD reponse_event;
-	reponse_event["notification"] = notification;
-	reponse_event["response"] = response;
-	LLEventPumps::getInstance()->obtain(reply_pump).post(reponse_event);
-}
-
-void LLNotificationsListener::listChannels(const LLSD& params) const
-{
-    LLReqID reqID(params);
-    LLSD response(reqID.makeResponse());
-    for (LLNotifications::ChannelMap::const_iterator cmi(mNotifications.mChannels.begin()),
-                                                     cmend(mNotifications.mChannels.end());
-         cmi != cmend; ++cmi)
-    {
-        LLSD channelInfo;
-        channelInfo["parent"] = cmi->second->getParentChannelName();
-        response[cmi->first] = channelInfo;
-    }
-    LLEventPumps::instance().obtain(params["reply"]).post(response);
-}
-
-void LLNotificationsListener::listChannelNotifications(const LLSD& params) const
-{
-    LLReqID reqID(params);
-    LLSD response(reqID.makeResponse());
-    LLNotificationChannelPtr channel(mNotifications.getChannel(params["channel"]));
-    if (channel)
-    {
-        LLSD notifications(LLSD::emptyArray());
-        for (LLNotificationChannel::Iterator ni(channel->begin()), nend(channel->end());
-             ni != nend; ++ni)
-        {
-            notifications.append(asLLSD(*ni));
-        }
-        response["notifications"] = notifications;
-    }
-    LLEventPumps::instance().obtain(params["reply"]).post(response);
-}
-
-void LLNotificationsListener::respond(const LLSD& params) const
-{
-    LLNotificationPtr notification(mNotifications.find(params["uuid"]));
-    if (notification)
-    {
-        notification->respond(params["response"]);
-    }
-}
-
-void LLNotificationsListener::cancel(const LLSD& params) const
-{
-    LLNotificationPtr notification(mNotifications.find(params["uuid"]));
-    if (notification)
-    {
-        mNotifications.cancel(notification);
-    }
-}
-
-void LLNotificationsListener::ignore(const LLSD& params) const
-{
-    // Calling a method named "ignore", but omitting its "ignore" Boolean
-    // argument, should by default cause something to be ignored. Explicitly
-    // pass ["ignore"] = false to cancel ignore.
-    bool ignore = true;
-    if (params.has("ignore"))
-    {
-        ignore = params["ignore"].asBoolean();
-    }
-    // This method can be used to affect either a single notification name or
-    // all future notifications. The two use substantially different mechanisms.
-    if (params["name"].isDefined())
-    {
-        // ["name"] was passed: ignore just that notification
-		LLNotificationTemplatePtr templatep = mNotifications.getTemplate(params["name"]);
-		if (templatep)
-		{
-			templatep->mForm->setIgnored(ignore);
-		}
-    }
-    else
-    {
-        // no ["name"]: ignore all future notifications
-        mNotifications.setIgnoreAllNotifications(ignore);
-    }
-}
-
-class LLNotificationsListener::Forwarder: public LLEventTrackable
-{
-    LOG_CLASS(LLNotificationsListener::Forwarder);
-public:
-    Forwarder(LLNotifications& llnotifications, const std::string& channel):
-        mNotifications(llnotifications),
-        mRespond(false)
-    {
-        // Connect to the specified channel on construction. Because
-        // LLEventTrackable is a base, we should automatically disconnect when
-        // destroyed.
-        LLNotificationChannelPtr channelptr(llnotifications.getChannel(channel));
-        if (channelptr)
-        {
-            // Insert our processing as a "passed filter" listener. This way
-            // we get to run before all the "changed" listeners, and we get to
-            // swipe it (hide it from the other listeners) if desired.
-            channelptr->connectPassedFilter(boost::bind(&Forwarder::handle, this, _1));
-        }
-    }
-
-    void setPumpName(const std::string& name) { mPumpName = name; }
-    void setTypes(const LLSD& types) { mTypes = types; }
-    void setRespond(bool respond) { mRespond = respond; }
-
-private:
-    bool handle(const LLSD& notification) const;
-    bool matchType(const LLSD& filter, const std::string& type) const;
-
-    LLNotifications& mNotifications;
-    std::string mPumpName;
-    LLSD mTypes;
-    bool mRespond;
-};
-
-void LLNotificationsListener::forward(const LLSD& params)
-{
-    std::string channel(params["channel"]);
-    // First decide whether we're supposed to start forwarding or stop it.
-    // Default to true.
-    bool forward = true;
-    if (params.has("forward"))
-    {
-        forward = params["forward"].asBoolean();
-    }
-    if (! forward)
-    {
-        // This is a request to stop forwarding notifications on the specified
-        // channel. The rest of the params don't matter.
-        // Because mForwarders contains scoped_ptrs, erasing the map entry
-        // DOES delete the heap Forwarder object. Because Forwarder derives
-        // from LLEventTrackable, destroying it disconnects it from the
-        // channel.
-        mForwarders.erase(channel);
-        return;
-    }
-    // From here on, we know we're being asked to start (or modify) forwarding
-    // on the specified channel. Find or create an appropriate Forwarder.
-    ForwarderMap::iterator
-        entry(mForwarders.insert(ForwarderMap::value_type(channel, ForwarderMap::mapped_type())).first);
-    if (! entry->second)
-    {
-        entry->second.reset(new Forwarder(mNotifications, channel));
-    }
-    // Now, whether this Forwarder is brand-new or not, update it with the new
-    // request info.
-    Forwarder& fwd(*entry->second);
-    fwd.setPumpName(params["pump"]);
-    fwd.setTypes(params["types"]);
-    fwd.setRespond(params["respond"]);
-}
-
-bool LLNotificationsListener::Forwarder::handle(const LLSD& notification) const
-{
-    LL_INFOS("LLNotificationsListener") << "handle(" << notification << ")" << LL_ENDL;
-    if (notification["sigtype"].asString() == "delete")
-    {
-        LL_INFOS("LLNotificationsListener") << "ignoring delete" << LL_ENDL;
-        // let other listeners see the "delete" operation
-        return false;
-    }
-    LLNotificationPtr note(mNotifications.find(notification["id"]));
-    if (! note)
-    {
-        LL_INFOS("LLNotificationsListener") << notification["id"] << " not found" << LL_ENDL;
-        return false;
-    }
-    if (! matchType(mTypes, note->getType()))
-    {
-        LL_INFOS("LLNotificationsListener") << "didn't match types " << mTypes << LL_ENDL;
-        // We're not supposed to intercept this particular notification. Let
-        // other listeners process it.
-        return false;
-    }
-    LL_INFOS("LLNotificationsListener") << "sending via '" << mPumpName << "'" << LL_ENDL;
-    // This is a notification we care about. Forward it through specified
-    // LLEventPump.
-    LLEventPumps::instance().obtain(mPumpName).post(asLLSD(note));
-    // Are we also being asked to auto-respond?
-    if (mRespond)
-    {
-        LL_INFOS("LLNotificationsListener") << "should respond" << LL_ENDL;
-        note->respond(LLSD::emptyMap());
-        // Did that succeed in removing the notification? Only cancel() if
-        // it's still around -- otherwise we get an LL_ERRS crash!
-        note = mNotifications.find(notification["id"]);
-        if (note)
-        {
-            LL_INFOS("LLNotificationsListener") << "respond() didn't clear, canceling" << LL_ENDL;
-            mNotifications.cancel(note);
-        }
-    }
-    // If we've auto-responded to this notification, then it's going to be
-    // deleted. Other listeners would get the change operation, try to look it
-    // up and be baffled by lookup failure. So when we auto-respond, suppress
-    // this notification: don't pass it to other listeners.
-    return mRespond;
-}
-
-bool LLNotificationsListener::Forwarder::matchType(const LLSD& filter, const std::string& type) const
-{
-    // Decide whether this notification matches filter:
-    // undefined: forward all notifications
-    if (filter.isUndefined())
-    {
-        return true;
-    }
-    // array of string: forward any notification matching any named type
-    if (filter.isArray())
-    {
-        for (LLSD::array_const_iterator ti(filter.beginArray()), tend(filter.endArray());
-             ti != tend; ++ti)
-        {
-            if (ti->asString() == type)
-            {
-                return true;
-            }
-        }
-        // Didn't match any entry in the array
-        return false;
-    }
-    // string: forward only the specific named type
-    return (filter.asString() == type);
-}
-
-LLSD LLNotificationsListener::asLLSD(LLNotificationPtr note)
-{
-    LLSD notificationInfo(note->asLLSD());
-    // For some reason the following aren't included in LLNotification::asLLSD().
-    notificationInfo["summary"] = note->summarize();
-    notificationInfo["id"]      = note->id();
-    notificationInfo["type"]    = note->getType();
-    notificationInfo["message"] = note->getMessage();
-    notificationInfo["label"]   = note->getLabel();
-    return notificationInfo;
-}
diff --git a/indra/llui/llnotificationslistener.h b/indra/llui/llnotificationslistener.h
deleted file mode 100644
index f9f7641de6..0000000000
--- a/indra/llui/llnotificationslistener.h
+++ /dev/null
@@ -1,69 +0,0 @@
-/**
- * @file   llnotificationslistener.h
- * @author Brad Kittenbrink
- * @date   2009-07-08
- * @brief  Wrap subset of LLNotifications API in event API for test scripts.
- * 
- * $LicenseInfo:firstyear=2009&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#ifndef LL_LLNOTIFICATIONSLISTENER_H
-#define LL_LLNOTIFICATIONSLISTENER_H
-
-#include "lleventapi.h"
-#include "llnotificationptr.h"
-#include <boost/shared_ptr.hpp>
-#include <map>
-#include <string>
-
-class LLNotifications;
-class LLSD;
-
-class LLNotificationsListener : public LLEventAPI
-{
-public:
-    LLNotificationsListener(LLNotifications & notifications);
-    ~LLNotificationsListener();
-
-private:
-    void requestAdd(LLSD const & event_data) const;
-
-	void NotificationResponder(const std::string& replypump, 
-							   const LLSD& notification, 
-							   const LLSD& response) const;
-
-    void listChannels(const LLSD& params) const;
-    void listChannelNotifications(const LLSD& params) const;
-    void respond(const LLSD& params) const;
-    void cancel(const LLSD& params) const;
-    void ignore(const LLSD& params) const;
-    void forward(const LLSD& params);
-
-    static LLSD asLLSD(LLNotificationPtr);
-
-    class Forwarder;
-    typedef std::map<std::string, boost::shared_ptr<Forwarder> > ForwarderMap;
-    ForwarderMap mForwarders;
-	LLNotifications & mNotifications;
-};
-
-#endif // LL_LLNOTIFICATIONSLISTENER_H
diff --git a/indra/llui/llnotificationtemplate.h b/indra/llui/llnotificationtemplate.h
index b3b0bae862..18a82190b5 100644
--- a/indra/llui/llnotificationtemplate.h
+++ b/indra/llui/llnotificationtemplate.h
@@ -49,7 +49,6 @@
 //#include "llfunctorregistry.h"
 //#include "llpointer.h"
 #include "llinitparam.h"
-//#include "llnotificationslistener.h"
 //#include "llnotificationptr.h"
 //#include "llcachename.h"
 #include "llnotifications.h"
@@ -61,6 +60,18 @@ typedef boost::shared_ptr<LLNotificationForm> LLNotificationFormPtr;
 // from the appropriate local language directory).
 struct LLNotificationTemplate
 {
+	struct CombineBehaviorNames
+		:	public LLInitParam::TypeValuesHelper<LLNotification::ECombineBehavior, CombineBehaviorNames>
+	{
+		static void declareValues()
+		{
+			declare("replace_with_new", LLNotification::REPLACE_WITH_NEW);
+			declare("keep_old", LLNotification::KEEP_OLD);
+			declare("cancel_old", LLNotification::CANCEL_OLD);
+		}
+	};
+
+
 	struct GlobalString : public LLInitParam::Block<GlobalString>
 	{
 		Mandatory<std::string>	name,
@@ -94,9 +105,11 @@ struct LLNotificationTemplate
 		Optional<LLInitParam::Flag>	dummy_val;
 	public:
 		Multiple<UniquenessContext>	contexts;
+		Optional<LLNotification::ECombineBehavior, CombineBehaviorNames> combine;
 
 		UniquenessConstraint()
 		:	contexts("context"),
+			combine("combine", LLNotification::REPLACE_WITH_NEW),
 			dummy_val("")
 		{}
 	};
@@ -183,7 +196,10 @@ struct LLNotificationTemplate
 	struct Params : public LLInitParam::Block<Params>
 	{
 		Mandatory<std::string>			name;
-		Optional<bool>					persist;
+		Optional<bool>					persist,
+										log_to_im,
+										show_toast,
+										log_to_chat;
 		Optional<std::string>			functor,
 										icon,
 										label,
@@ -204,6 +220,9 @@ struct LLNotificationTemplate
 		Params()
 		:	name("name"),
 			persist("persist", false),
+			log_to_im("log_to_im", false),
+			show_toast("show_toast", true),
+			log_to_chat("log_to_chat", true),
 			functor("functor"),
 			icon("icon"),
 			label("label"),
@@ -262,6 +281,7 @@ struct LLNotificationTemplate
     // (used for things like progress indications, or repeating warnings
     // like "the grid is going down in N minutes")
     bool mUnique;
+	LLNotification::ECombineBehavior mCombineBehavior;
     // if we want to be unique only if a certain part of the payload or substitutions args
 	// are constant specify the field names for the payload. The notification will only be
     // combined if all of the fields named in the context are identical in the
@@ -302,12 +322,15 @@ struct LLNotificationTemplate
     LLNotificationFormPtr mForm;
 	// default priority for notifications of this type
 	ENotificationPriority mPriority;
-	// UUID of the audio file to be played when this notification arrives
-	// this is loaded as a name, but looked up to get the UUID upon template load.
-	// If null, it wasn't specified.
-	LLUUID mSoundEffect;
+	// Stores the sound name which can then be used to play the sound using make_ui_sound
+	std::string mSoundName;
 	// List of tags that rules can match against.
 	std::list<std::string> mTags;
+
+	// inject these notifications into chat/IM streams
+	bool mLogToChat;
+	bool mLogToIM;
+	bool mShowToast;
 };
 
 #endif //LL_LLNOTIFICATION_TEMPLATE_H
diff --git a/indra/llui/llresizebar.cpp b/indra/llui/llresizebar.cpp
index 87aeb4d7a7..4b9add820f 100644
--- a/indra/llui/llresizebar.cpp
+++ b/indra/llui/llresizebar.cpp
@@ -45,7 +45,8 @@ LLResizeBar::LLResizeBar(const LLResizeBar::Params& p)
 	mSide( p.side ),
 	mSnappingEnabled(p.snapping_enabled),
 	mAllowDoubleClickSnapping(p.allow_double_click_snapping),
-	mResizingView(p.resizing_view)
+	mResizingView(p.resizing_view),
+	mResizeListener(NULL)
 {
 	setFollowsNone();
 	// set up some generically good follow code.
@@ -261,6 +262,11 @@ BOOL LLResizeBar::handleHover(S32 x, S32 y, MASK mask)
 		}
 	}
 
+	if (mResizeListener)
+	{
+		mResizeListener(NULL);
+	}
+
 	return handled;
 } // end LLResizeBar::handleHover
 
diff --git a/indra/llui/llresizebar.h b/indra/llui/llresizebar.h
index 6daf191918..8190a95a71 100644
--- a/indra/llui/llresizebar.h
+++ b/indra/llui/llresizebar.h
@@ -71,6 +71,7 @@ public:
 	void			setEnableSnapping(BOOL enable) { mSnappingEnabled = enable; }
 	void			setAllowDoubleClickSnapping(BOOL allow) { mAllowDoubleClickSnapping = allow; }
 	bool			canResize() { return getEnabled() && mMaxSize > mMinSize; }
+	void            setResizeListener(boost::function<void(void*)> listener) {mResizeListener = listener;}
 
 private:
 	S32				mDragLastScreenX;
@@ -84,6 +85,7 @@ private:
 	BOOL			mSnappingEnabled;
 	BOOL			mAllowDoubleClickSnapping;
 	LLView*			mResizingView;
+	boost::function<void(void*)>  mResizeListener;
 };
 
 #endif  // LL_RESIZEBAR_H
diff --git a/indra/llui/llscrolllistctrl.cpp b/indra/llui/llscrolllistctrl.cpp
index d332aa933e..8b9fb47d5c 100644
--- a/indra/llui/llscrolllistctrl.cpp
+++ b/indra/llui/llscrolllistctrl.cpp
@@ -1841,7 +1841,7 @@ void LLScrollListCtrl::copyNameToClipboard(std::string id, bool is_group)
 	{
 		LLAvatarName av_name;
 		LLAvatarNameCache::get(LLUUID(id), &av_name);
-		name = av_name.getLegacyName();
+		name = av_name.getAccountName();
 	}
 	LLUrlAction::copyURLToClipboard(name);
 }
diff --git a/indra/llui/llspinctrl.cpp b/indra/llui/llspinctrl.cpp
index 934879cdfd..8a728df2e7 100644
--- a/indra/llui/llspinctrl.cpp
+++ b/indra/llui/llspinctrl.cpp
@@ -52,6 +52,7 @@ LLSpinCtrl::Params::Params()
 :	label_width("label_width"),
 	decimal_digits("decimal_digits"),
 	allow_text_entry("allow_text_entry", true),
+	allow_digits_only("allow_digits_only", false),
 	label_wrap("label_wrap", false),
 	text_enabled_color("text_enabled_color"),
 	text_disabled_color("text_disabled_color"),
@@ -129,6 +130,10 @@ LLSpinCtrl::LLSpinCtrl(const LLSpinCtrl::Params& p)
 	params.follows.flags(FOLLOWS_LEFT | FOLLOWS_BOTTOM);
 	mEditor = LLUICtrlFactory::create<LLLineEditor> (params);
 	mEditor->setFocusReceivedCallback( boost::bind(&LLSpinCtrl::onEditorGainFocus, _1, this ));
+	if (p.allow_digits_only)
+	{
+		mEditor->setPrevalidateInput(LLTextValidate::validateNonNegativeS32NoSpace);
+	}
 	//RN: this seems to be a BAD IDEA, as it makes the editor behavior different when it has focus
 	// than when it doesn't.  Instead, if you always have to double click to select all the text, 
 	// it's easier to understand
diff --git a/indra/llui/llspinctrl.h b/indra/llui/llspinctrl.h
index 87814f838e..e34add879d 100644
--- a/indra/llui/llspinctrl.h
+++ b/indra/llui/llspinctrl.h
@@ -44,6 +44,7 @@ public:
 		Optional<S32> label_width;
 		Optional<U32> decimal_digits;
 		Optional<bool> allow_text_entry;
+		Optional<bool> allow_digits_only;
 		Optional<bool> label_wrap;
 
 		Optional<LLUIColor> text_enabled_color;
diff --git a/indra/llui/lltabcontainer.cpp b/indra/llui/lltabcontainer.cpp
index 5fc2cc350d..91527c68f2 100644
--- a/indra/llui/lltabcontainer.cpp
+++ b/indra/llui/lltabcontainer.cpp
@@ -506,8 +506,8 @@ void LLTabContainer::draw()
 		}
 	}
 
-	mPrevArrowBtn->setFlashing(FALSE);
-	mNextArrowBtn->setFlashing(FALSE);
+	mPrevArrowBtn->setFlashing(false);
+	mNextArrowBtn->setFlashing(false);
 }
 
 
@@ -1209,7 +1209,11 @@ void LLTabContainer::removeTabPanel(LLPanel* child)
 				update_images(mTabList[mTabList.size()-2], mLastTabParams, getTabPosition());
 			}
 
-			removeChild( tuple->mButton );
+			if (!getTabsHidden())
+			{
+				// We need to remove tab buttons only if the tabs are not hidden.
+				removeChild( tuple->mButton );
+			}
  			delete tuple->mButton;
 
  			removeChild( tuple->mTabPanel );
diff --git a/indra/llui/lltabcontainer.h b/indra/llui/lltabcontainer.h
index cebace2ceb..57862fc626 100644
--- a/indra/llui/lltabcontainer.h
+++ b/indra/llui/lltabcontainer.h
@@ -188,10 +188,11 @@ public:
 	void		selectFirstTab();
 	void		selectLastTab();
 	void		selectNextTab();
-	 void		selectPrevTab();
+	void		selectPrevTab();
 	BOOL 		selectTabPanel( LLPanel* child );
 	BOOL 		selectTab(S32 which);
 	BOOL 		selectTabByName(const std::string& title);
+    void        setCurrentPanelIndex(S32 index) { mCurrentTabIdx = index; }
 
 	BOOL        getTabPanelFlashing(LLPanel* child);
 	void		setTabPanelFlashing(LLPanel* child, BOOL state);
@@ -242,8 +243,6 @@ private:
 
 	void setTabsHidden(BOOL hidden)		{ mTabsHidden = hidden; }
 	BOOL getTabsHidden() const			{ return mTabsHidden; }
-	
-	void setCurrentPanelIndex(S32 index) { mCurrentTabIdx = index; }
 
 	void scrollPrev() { mScrollPos = llmax(0, mScrollPos-1); } // No wrap
 	void scrollNext() { mScrollPos = llmin(mScrollPos+1, mMaxScrollPos); } // No wrap
diff --git a/indra/llui/lltextbase.cpp b/indra/llui/lltextbase.cpp
index 3815eec447..8839afb60d 100644
--- a/indra/llui/lltextbase.cpp
+++ b/indra/llui/lltextbase.cpp
@@ -145,6 +145,7 @@ LLTextBase::Params::Params()
 :	cursor_color("cursor_color"),
 	text_color("text_color"),
 	text_readonly_color("text_readonly_color"),
+	text_tentative_color("text_tentative_color"),
 	bg_visible("bg_visible", false),
 	border_visible("border_visible", false),
 	bg_readonly_color("bg_readonly_color"),
@@ -179,7 +180,7 @@ LLTextBase::LLTextBase(const LLTextBase::Params &p)
 :	LLUICtrl(p, LLTextViewModelPtr(new LLTextViewModel)),
 	mURLClickSignal(NULL),
 	mMaxTextByteLength( p.max_text_length ),
-	mDefaultFont(p.font),
+	mFont(p.font),
 	mFontShadow(p.font_shadow),
 	mPopupMenu(NULL),
 	mReadOnly(p.read_only),
@@ -190,6 +191,7 @@ LLTextBase::LLTextBase(const LLTextBase::Params &p)
 	mFgColor(p.text_color),
 	mBorderVisible( p.border_visible ),
 	mReadOnlyFgColor(p.text_readonly_color),
+	mTentativeFgColor(p.text_tentative_color()),
 	mWriteableBgColor(p.bg_writeable_color),
 	mReadOnlyBgColor(p.bg_readonly_color),
 	mFocusBgColor(p.bg_focus_color),
@@ -319,21 +321,26 @@ bool LLTextBase::truncate()
 	return did_truncate;
 }
 
-const LLStyle::Params& LLTextBase::getDefaultStyleParams()
+const LLStyle::Params& LLTextBase::getStyleParams()
 {
 	//FIXME: convert mDefaultStyle to a flyweight http://www.boost.org/doc/libs/1_40_0/libs/flyweight/doc/index.html
 	//and eliminate color member values
 	if (mStyleDirty)
 	{
-		  mDefaultStyle
+		  mStyle
 				  .color(LLUIColor(&mFgColor))						// pass linked color instead of copy of mFGColor
 				  .readonly_color(LLUIColor(&mReadOnlyFgColor))
 				  .selected_color(LLUIColor(&mTextSelectedColor))
-				  .font(mDefaultFont)
+				  .font(mFont)
 				  .drop_shadow(mFontShadow);
 		  mStyleDirty = false;
 	}
-	return mDefaultStyle;
+	return mStyle;
+}
+
+void LLTextBase::beforeValueChange()
+{
+
 }
 
 void LLTextBase::onValueChange(S32 start, S32 end)
@@ -522,11 +529,17 @@ void LLTextBase::drawCursor()
 
 void LLTextBase::drawText()
 {
-	const S32 text_len = getLength();
-	if( text_len <= 0 )
+	S32 text_len = getLength();
+
+	if (text_len <= 0 && mLabel.empty())
 	{
 		return;
 	}
+	else if (useLabel())
+	{
+		text_len = mLabel.getWString().length();
+	}
+
 	S32 selection_left = -1;
 	S32 selection_right = -1;
 	// Draw selection even if we don't have keyboard focus for search/replace
@@ -739,6 +752,8 @@ void LLTextBase::drawText()
 
 S32 LLTextBase::insertStringNoUndo(S32 pos, const LLWString &wstr, LLTextBase::segment_vec_t* segments )
 {
+    beforeValueChange();
+
 	S32 old_len = getLength();		// length() returns character length
 	S32 insert_len = wstr.length();
 
@@ -770,7 +785,7 @@ S32 LLTextBase::insertStringNoUndo(S32 pos, const LLWString &wstr, LLTextBase::s
 	else
 	{
 		// create default editable segment to hold new text
-		LLStyleConstSP sp(new LLStyle(getDefaultStyleParams()));
+		LLStyleConstSP sp(new LLStyle(getStyleParams()));
 		default_segment = new LLNormalTextSegment( sp, pos, pos + insert_len, *this);
 	}
 
@@ -814,6 +829,8 @@ S32 LLTextBase::insertStringNoUndo(S32 pos, const LLWString &wstr, LLTextBase::s
 
 S32 LLTextBase::removeStringNoUndo(S32 pos, S32 length)
 {
+
+    beforeValueChange();
 	segment_set_t::iterator seg_iter = getSegIterContaining(pos);
 	while(seg_iter != mSegments.end())
 	{
@@ -872,6 +889,8 @@ S32 LLTextBase::removeStringNoUndo(S32 pos, S32 length)
 
 S32 LLTextBase::overwriteCharNoUndo(S32 pos, llwchar wc)
 {
+    beforeValueChange();
+
 	if (pos > (S32)getLength())
 	{
 		return 0;
@@ -890,7 +909,7 @@ void LLTextBase::createDefaultSegment()
 	// ensures that there is always at least one segment
 	if (mSegments.empty())
 	{
-		LLStyleConstSP sp(new LLStyle(getDefaultStyleParams()));
+		LLStyleConstSP sp(new LLStyle(getStyleParams()));
 		LLTextSegmentPtr default_segment = new LLNormalTextSegment( sp, 0, getLength() + 1, *this);
 		mSegments.insert(default_segment);
 		default_segment->linkToDocument(this);
@@ -1338,6 +1357,25 @@ void LLTextBase::onSpellCheckSettingsChange()
 	mSpellCheckStart = mSpellCheckEnd = -1;
 }
 
+void LLTextBase::onFocusReceived()
+{
+	LLUICtrl::onFocusReceived();
+	if (!getLength() && !mLabel.empty())
+	{
+		// delete label which is LLLabelTextSegment
+		clearSegments();
+	}
+}
+
+void LLTextBase::onFocusLost()
+{
+	LLUICtrl::onFocusLost();
+	if (!getLength() && !mLabel.empty())
+	{
+		resetLabel();
+	}
+}
+
 // Sets the scrollbar from the cursor position
 void LLTextBase::updateScrollFromCursor()
 {
@@ -1924,7 +1962,7 @@ static LLFastTimer::DeclareTimer FTM_PARSE_HTML("Parse HTML");
 void LLTextBase::appendTextImpl(const std::string &new_text, const LLStyle::Params& input_params)
 {
 	LLStyle::Params style_params(input_params);
-	style_params.fillFrom(getDefaultStyleParams());
+	style_params.fillFrom(getStyleParams());
 
 	S32 part = (S32)LLTextParser::WHOLE;
 	if (mParseHTML && !style_params.is_link) // Don't search for URLs inside a link segment (STORM-358).
@@ -2009,6 +2047,44 @@ void LLTextBase::appendText(const std::string &new_text, bool prepend_newline, c
 	appendTextImpl(new_text,input_params);
 }
 
+void LLTextBase::setLabel(const LLStringExplicit& label)
+{
+	mLabel = label;
+	resetLabel();
+}
+
+BOOL LLTextBase::setLabelArg(const std::string& key, const LLStringExplicit& text )
+{
+	mLabel.setArg(key, text);
+	return TRUE;
+}
+
+void LLTextBase::resetLabel()
+{
+	if (useLabel())
+	{
+		clearSegments();
+
+		LLStyle* style = new LLStyle(getStyleParams());
+		style->setColor(mTentativeFgColor);
+		LLStyleConstSP sp(style);
+
+		LLTextSegmentPtr label = new LLLabelTextSegment(sp, 0, mLabel.getWString().length() + 1, *this);
+		insertSegment(label);
+	}
+}
+
+bool LLTextBase::useLabel()
+{
+    return !getLength() && !mLabel.empty() && !hasFocus();
+}
+
+void LLTextBase::setFont(const LLFontGL* font)
+{
+	mFont = font;
+	mStyleDirty = true;
+}
+
 void LLTextBase::needsReflow(S32 index)
 {
 	lldebugs << "reflow on object " << (void*)this << " index = " << mReflowIndex << ", new index = " << index << llendl;
@@ -2399,7 +2475,7 @@ LLRect LLTextBase::getLocalRectFromDocIndex(S32 pos) const
 	{ 
 		// return default height rect in upper left
 		local_rect = content_window_rect;
-		local_rect.mBottom = local_rect.mTop - mDefaultFont->getLineHeight();
+		local_rect.mBottom = local_rect.mTop - mFont->getLineHeight();
 		return local_rect;
 	}
 
@@ -2904,7 +2980,7 @@ F32 LLNormalTextSegment::drawClippedSegment(S32 seg_start, S32 seg_end, S32 sele
 {
 	F32 alpha = LLViewDrawContext::getCurrentContext().mAlpha;
 
-	const LLWString &text = mEditor.getWText();
+	const LLWString &text = getWText();
 
 	F32 right_x = rect.mLeft;
 	if (!mStyle->isVisible())
@@ -3067,7 +3143,7 @@ bool LLNormalTextSegment::getDimensions(S32 first_char, S32 num_chars, S32& widt
 	if (num_chars > 0)
 	{
 		height = mFontHeight;
-		const LLWString &text = mEditor.getWText();
+		const LLWString &text = getWText();
 		// if last character is a newline, then return true, forcing line break
 		width = mStyle->getFont()->getWidth(text.c_str(), mStart + first_char, num_chars);
 	}
@@ -3076,7 +3152,7 @@ bool LLNormalTextSegment::getDimensions(S32 first_char, S32 num_chars, S32& widt
 
 S32	LLNormalTextSegment::getOffset(S32 segment_local_x_coord, S32 start_offset, S32 num_chars, bool round) const
 {
-	const LLWString &text = mEditor.getWText();
+	const LLWString &text = getWText();
 	return mStyle->getFont()->charFromPixelOffset(text.c_str(), mStart + start_offset,
 											   (F32)segment_local_x_coord,
 											   F32_MAX,
@@ -3086,7 +3162,7 @@ S32	LLNormalTextSegment::getOffset(S32 segment_local_x_coord, S32 start_offset,
 
 S32	LLNormalTextSegment::getNumChars(S32 num_pixels, S32 segment_offset, S32 line_offset, S32 max_chars) const
 {
-	const LLWString &text = mEditor.getWText();
+	const LLWString &text = getWText();
 
 	LLUIImagePtr image = mStyle->getImage();
 	if( image.notNull())
@@ -3122,7 +3198,7 @@ S32	LLNormalTextSegment::getNumChars(S32 num_pixels, S32 segment_offset, S32 lin
 	S32 last_char_in_run = mStart + segment_offset + num_chars;
 	// check length first to avoid indexing off end of string
 	if (last_char_in_run < mEnd 
-		&& (last_char_in_run >= mEditor.getLength() ))
+		&& (last_char_in_run >= getLength()))
 	{
 		num_chars++;
 	}
@@ -3140,6 +3216,39 @@ void LLNormalTextSegment::dump() const
 		llendl;
 }
 
+/*virtual*/
+const LLWString& LLNormalTextSegment::getWText()	const
+{
+	return mEditor.getWText();
+}
+
+/*virtual*/
+const S32 LLNormalTextSegment::getLength() const
+{
+	return mEditor.getLength();
+}
+
+LLLabelTextSegment::LLLabelTextSegment( LLStyleConstSP style, S32 start, S32 end, LLTextBase& editor )
+:	LLNormalTextSegment(style, start, end, editor)
+{
+}
+
+LLLabelTextSegment::LLLabelTextSegment( const LLColor4& color, S32 start, S32 end, LLTextBase& editor, BOOL is_visible)
+:	LLNormalTextSegment(color, start, end, editor, is_visible)
+{
+}
+
+/*virtual*/
+const LLWString& LLLabelTextSegment::getWText()	const
+{
+	return mEditor.getWlabel();
+}
+/*virtual*/
+const S32 LLLabelTextSegment::getLength() const
+{
+	return mEditor.getWlabel().length();
+}
+
 //
 // LLOnHoverChangeableTextSegment
 //
diff --git a/indra/llui/lltextbase.h b/indra/llui/lltextbase.h
index 90b147cee1..629b304b25 100644
--- a/indra/llui/lltextbase.h
+++ b/indra/llui/lltextbase.h
@@ -106,7 +106,7 @@ class LLNormalTextSegment : public LLTextSegment
 public:
 	LLNormalTextSegment( LLStyleConstSP style, S32 start, S32 end, LLTextBase& editor );
 	LLNormalTextSegment( const LLColor4& color, S32 start, S32 end, LLTextBase& editor, BOOL is_visible = TRUE);
-	~LLNormalTextSegment();
+	virtual ~LLNormalTextSegment();
 
 	/*virtual*/ bool				getDimensions(S32 first_char, S32 num_chars, S32& width, S32& height) const;
 	/*virtual*/ S32					getOffset(S32 segment_local_x_coord, S32 start_offset, S32 num_chars, bool round) const;
@@ -131,6 +131,9 @@ public:
 protected:
 	F32					drawClippedSegment(S32 seg_start, S32 seg_end, S32 selection_start, S32 selection_end, LLRect rect);
 
+	virtual		const LLWString&	getWText()	const;
+	virtual		const S32			getLength()	const;
+
 protected:
 	class LLTextBase&	mEditor;
 	LLStyleConstSP		mStyle;
@@ -140,6 +143,21 @@ protected:
 	boost::signals2::connection mImageLoadedConnection;
 };
 
+// This text segment is the same as LLNormalTextSegment, the only difference
+// is that LLNormalTextSegment draws value of LLTextBase (LLTextBase::getWText()),
+// but LLLabelTextSegment draws label of the LLTextBase (LLTextBase::mLabel)
+class LLLabelTextSegment : public LLNormalTextSegment
+{
+public:
+	LLLabelTextSegment( LLStyleConstSP style, S32 start, S32 end, LLTextBase& editor );
+	LLLabelTextSegment( const LLColor4& color, S32 start, S32 end, LLTextBase& editor, BOOL is_visible = TRUE);
+
+protected:
+
+	/*virtual*/	const LLWString&	getWText()	const;
+	/*virtual*/	const S32			getLength()	const;
+};
+
 // Text segment that changes it's style depending of mouse pointer position ( is it inside or outside segment)
 class LLOnHoverChangeableTextSegment : public LLNormalTextSegment
 {
@@ -251,6 +269,7 @@ public:
 		Optional<LLUIColor>		cursor_color,
 								text_color,
 								text_readonly_color,
+								text_tentative_color,
 								bg_readonly_color,
 								bg_writeable_color,
 								bg_focus_color,
@@ -314,6 +333,9 @@ public:
 	/*virtual*/ BOOL		canDeselect() const;
 	/*virtual*/ void		deselect();
 
+	virtual void	onFocusReceived();
+	virtual void	onFocusLost();
+
 	// LLSpellCheckMenuHandler overrides
 	/*virtual*/ bool		getSpellCheck() const;
 
@@ -351,6 +373,21 @@ public:
 	const LLWString&       	getWText() const;
 
 	void					appendText(const std::string &new_text, bool prepend_newline, const LLStyle::Params& input_params = LLStyle::Params());
+
+	void					setLabel(const LLStringExplicit& label);
+	virtual BOOL			setLabelArg(const std::string& key, const LLStringExplicit& text );
+
+	const	std::string& 	getLabel()	{ return mLabel.getString(); }
+	const	LLWString&		getWlabel() { return mLabel.getWString();}
+
+	/**
+	 * If label is set, draws text label (which is LLLabelTextSegment)
+	 * that is visible when no user text provided
+	 */
+	void					resetLabel();
+
+	void					setFont(const LLFontGL* font);
+
 	// force reflow of text
 	void					needsReflow(S32 index = 0);
 
@@ -390,7 +427,7 @@ public:
 	bool					scrolledToStart();
 	bool					scrolledToEnd();
 
-	const LLFontGL*			getDefaultFont() const					{ return mDefaultFont; }
+	const LLFontGL*			getFont() const					{ return mFont; }
 
 	virtual void			appendLineBreakSegment(const LLStyle::Params& style_params);
 	virtual void			appendImageSegment(const LLStyle::Params& style_params);
@@ -464,7 +501,9 @@ protected:
 	LLTextBase(const Params &p);
 	virtual ~LLTextBase();
 	void							initFromParams(const Params& p);
+    virtual void					beforeValueChange();
 	virtual void					onValueChange(S32 start, S32 end);
+    virtual bool                    useLabel();
 
 	// draw methods
 	void							drawSelectionBackground(); // draws the black box behind the selected text
@@ -490,7 +529,7 @@ protected:
 	void							createDefaultSegment();
 	virtual void					updateSegments();
 	void							insertSegment(LLTextSegmentPtr segment_to_insert);
-	const LLStyle::Params&			getDefaultStyleParams();
+	const LLStyle::Params&			getStyleParams();
 
 	//  manage lines
 	S32								getLineStart( S32 line ) const;
@@ -535,15 +574,16 @@ protected:
 	LLRect						mTextBoundingRect;
 
 	// default text style
-	LLStyle::Params				mDefaultStyle;
+	LLStyle::Params				mStyle;
 	bool						mStyleDirty;
-	const LLFontGL* const		mDefaultFont;		// font that is used when none specified, can only be set by constructor
-	const LLFontGL::ShadowType	mFontShadow;		// shadow style, can only be set by constructor
+	const LLFontGL*				mFont;
+	const LLFontGL::ShadowType	mFontShadow;
 
 	// colors
 	LLUIColor					mCursorColor;
 	LLUIColor					mFgColor;
 	LLUIColor					mReadOnlyFgColor;
+	LLUIColor					mTentativeFgColor;
 	LLUIColor					mWriteableBgColor;
 	LLUIColor					mReadOnlyBgColor;
 	LLUIColor					mFocusBgColor;
@@ -587,6 +627,7 @@ protected:
 	bool						mClip;				// clip text to widget rect
 	bool						mClipPartial;		// false if we show lines that are partially inside bounding rect
 	bool						mPlainText;			// didn't use Image or Icon segments
+	bool						mAutoIndent;
 	S32							mMaxTextByteLength;	// Maximum length mText is allowed to be in bytes
 
 	// support widgets
@@ -602,6 +643,7 @@ protected:
 	// Fired when a URL link is clicked
 	commit_signal_t*			mURLClickSignal;
 
+	LLUIString					mLabel;	// text label that is visible when no user text provided
 };
 
 #endif
diff --git a/indra/llui/lltexteditor.cpp b/indra/llui/lltexteditor.cpp
index 144b6960a1..d42d6473ed 100644
--- a/indra/llui/lltexteditor.cpp
+++ b/indra/llui/lltexteditor.cpp
@@ -237,6 +237,7 @@ LLTextEditor::Params::Params()
 	embedded_items("embedded_items", false),
 	ignore_tab("ignore_tab", true),
 	show_line_numbers("show_line_numbers", false),
+	auto_indent("auto_indent", true),
 	default_color("default_color"),
     commit_on_focus_lost("commit_on_focus_lost", false),
 	show_context_menu("show_context_menu")
@@ -251,6 +252,7 @@ LLTextEditor::LLTextEditor(const LLTextEditor::Params& p) :
 	mLastCmd( NULL ),
 	mDefaultColor(		p.default_color() ),
 	mShowLineNumbers ( p.show_line_numbers ),
+	mAutoIndent(p.auto_indent),
 	mCommitOnFocusLost( p.commit_on_focus_lost),
 	mAllowEmbeddedItems( p.embedded_items ),
 	mMouseDownX(0),
@@ -258,7 +260,8 @@ LLTextEditor::LLTextEditor(const LLTextEditor::Params& p) :
 	mTabsToNextField(p.ignore_tab),
 	mPrevalidateFunc(p.prevalidate_callback()),
 	mContextMenu(NULL),
-	mShowContextMenu(p.show_context_menu)
+	mShowContextMenu(p.show_context_menu),
+	mPassDelete(FALSE)
 {
 	mSourceID.generate();
 
@@ -1608,7 +1611,10 @@ BOOL LLTextEditor::handleSpecialKey(const KEY key, const MASK mask)
 			{
 				deleteSelection(FALSE);
 			}
-			autoIndent(); // TODO: make this optional
+			if (mAutoIndent)
+			{
+				autoIndent();
+			}
 		}
 		else
 		{
@@ -1748,7 +1754,7 @@ BOOL LLTextEditor::handleUnicodeCharHere(llwchar uni_char)
 // virtual
 BOOL LLTextEditor::canDoDelete() const
 {
-	return !mReadOnly && ( hasSelection() || (mCursorPos < getLength()) );
+	return !mReadOnly && ( !mPassDelete || ( hasSelection() || (mCursorPos < getLength())) );
 }
 
 void LLTextEditor::doDelete()
@@ -2017,7 +2023,7 @@ void LLTextEditor::drawPreeditMarker()
 		return;
 	}
 		
-	const S32 line_height = mDefaultFont->getLineHeight();
+	const S32 line_height = mFont->getLineHeight();
 
 	S32 line_start = getLineStart(cur_line);
 	S32 line_y = mVisibleTextRect.mTop - line_height;
@@ -2056,16 +2062,16 @@ void LLTextEditor::drawPreeditMarker()
 				S32 preedit_left = mVisibleTextRect.mLeft;
 				if (left > line_start)
 				{
-					preedit_left += mDefaultFont->getWidth(text, line_start, left - line_start);
+					preedit_left += mFont->getWidth(text, line_start, left - line_start);
 				}
 				S32 preedit_right = mVisibleTextRect.mLeft;
 				if (right < line_end)
 				{
-					preedit_right += mDefaultFont->getWidth(text, line_start, right - line_start);
+					preedit_right += mFont->getWidth(text, line_start, right - line_start);
 				}
 				else
 				{
-					preedit_right += mDefaultFont->getWidth(text, line_start, line_end - line_start);
+					preedit_right += mFont->getWidth(text, line_start, line_end - line_start);
 				}
 
 				if (mPreeditStandouts[i])
@@ -2740,11 +2746,11 @@ BOOL LLTextEditor::getPreeditLocation(S32 query_offset, LLCoordGL *coord, LLRect
 
     const LLWString textString(getWText());
 	const llwchar * const text = textString.c_str();
-	const S32 line_height = mDefaultFont->getLineHeight();
+	const S32 line_height = mFont->getLineHeight();
 
 	if (coord)
 	{
-		const S32 query_x = mVisibleTextRect.mLeft + mDefaultFont->getWidth(text, current_line_start, query - current_line_start);
+		const S32 query_x = mVisibleTextRect.mLeft + mFont->getWidth(text, current_line_start, query - current_line_start);
 		const S32 query_y = mVisibleTextRect.mTop - (current_line - first_visible_line) * line_height - line_height / 2;
 		S32 query_screen_x, query_screen_y;
 		localPointToScreen(query_x, query_y, &query_screen_x, &query_screen_y);
@@ -2756,17 +2762,17 @@ BOOL LLTextEditor::getPreeditLocation(S32 query_offset, LLCoordGL *coord, LLRect
 		S32 preedit_left = mVisibleTextRect.mLeft;
 		if (preedit_left_position > current_line_start)
 		{
-			preedit_left += mDefaultFont->getWidth(text, current_line_start, preedit_left_position - current_line_start);
+			preedit_left += mFont->getWidth(text, current_line_start, preedit_left_position - current_line_start);
 		}
 
 		S32 preedit_right = mVisibleTextRect.mLeft;
 		if (preedit_right_position < current_line_end)
 		{
-			preedit_right += mDefaultFont->getWidth(text, current_line_start, preedit_right_position - current_line_start);
+			preedit_right += mFont->getWidth(text, current_line_start, preedit_right_position - current_line_start);
 		}
 		else
 		{
-			preedit_right += mDefaultFont->getWidth(text, current_line_start, current_line_end - current_line_start);
+			preedit_right += mFont->getWidth(text, current_line_start, current_line_end - current_line_start);
 		}
 
 		const S32 preedit_top = mVisibleTextRect.mTop - (current_line - first_visible_line) * line_height;
@@ -2843,7 +2849,7 @@ void LLTextEditor::markAsPreedit(S32 position, S32 length)
 
 S32 LLTextEditor::getPreeditFontSize() const
 {
-	return llround((F32)mDefaultFont->getLineHeight() * LLUI::sGLScaleFactor.mV[VY]);
+	return llround((F32)mFont->getLineHeight() * LLUI::sGLScaleFactor.mV[VY]);
 }
 
 BOOL LLTextEditor::isDirty() const
diff --git a/indra/llui/lltexteditor.h b/indra/llui/lltexteditor.h
index 40821ae9fb..f8f636b876 100644
--- a/indra/llui/lltexteditor.h
+++ b/indra/llui/lltexteditor.h
@@ -64,7 +64,8 @@ public:
 								ignore_tab,
 								show_line_numbers,
 								commit_on_focus_lost,
-								show_context_menu;
+								show_context_menu,
+								auto_indent;
 
 		//colors
 		Optional<LLUIColor>		default_color;
@@ -202,6 +203,8 @@ public:
 	void			setShowContextMenu(bool show) { mShowContextMenu = show; }
 	bool			getShowContextMenu() const { return mShowContextMenu; }
 
+	void			setPassDelete(BOOL b) { mPassDelete = b; }
+
 protected:
 	void			showContextMenu(S32 x, S32 y);
 	void			drawPreeditMarker();
@@ -214,8 +217,8 @@ protected:
 	S32				indentLine( S32 pos, S32 spaces );
 	void			unindentLineBeforeCloseBrace();
 
+	virtual	BOOL	handleSpecialKey(const KEY key, const MASK mask);
 	BOOL			handleNavigationKey(const KEY key, const MASK mask);
-	BOOL			handleSpecialKey(const KEY key, const MASK mask);
 	BOOL			handleSelectionKey(const KEY key, const MASK mask);
 	BOOL			handleControlKey(const KEY key, const MASK mask);
 
@@ -279,6 +282,7 @@ protected:
 	LLUIColor			mDefaultColor;
 
 	BOOL				mShowLineNumbers;
+	bool				mAutoIndent;
 
 	/*virtual*/ void	updateSegments();
 	void				updateLinkSegments();
@@ -321,6 +325,7 @@ private:
 	BOOL			mAllowEmbeddedItems;
 	bool			mShowContextMenu;
 	bool			mParseOnTheFly;
+	bool			mPassDelete;
 
 	LLUUID			mSourceID;
 
diff --git a/indra/llui/lltoggleablemenu.cpp b/indra/llui/lltoggleablemenu.cpp
index e4d1a37569..00d52fe10d 100644
--- a/indra/llui/lltoggleablemenu.cpp
+++ b/indra/llui/lltoggleablemenu.cpp
@@ -101,3 +101,8 @@ bool LLToggleableMenu::toggleVisibility()
 
 	return true;
 }
+
+bool LLToggleableMenu::addChild(LLView* view, S32 tab_group)
+{
+	return addContextChild(view, tab_group);
+}
diff --git a/indra/llui/lltoggleablemenu.h b/indra/llui/lltoggleablemenu.h
index 2094bd776f..57b8f62eb6 100644
--- a/indra/llui/lltoggleablemenu.h
+++ b/indra/llui/lltoggleablemenu.h
@@ -47,6 +47,8 @@ public:
 
 	virtual void handleVisibilityChange (BOOL curVisibilityIn);
 
+	virtual bool addChild (LLView* view, S32 tab_group = 0);
+	
 	const LLRect& getButtonRect() const { return mButtonRect; }
 
 	// Converts the given local button rect to a screen rect
@@ -58,6 +60,8 @@ public:
 	// its visibility off.
 	bool toggleVisibility();
 	
+	LLHandle<LLToggleableMenu> getHandle() { return getDerivedHandle<LLToggleableMenu>(); }
+
 protected:
 	bool mClosedByButtonClick;
 	LLRect mButtonRect;
diff --git a/indra/llui/lltoolbar.cpp b/indra/llui/lltoolbar.cpp
index 81ea0ebf0c..1aa46806c3 100644
--- a/indra/llui/lltoolbar.cpp
+++ b/indra/llui/lltoolbar.cpp
@@ -914,6 +914,7 @@ LLToolBarButton* LLToolBar::createButton(const LLCommandId& id)
 	button_p.label = LLTrans::getString(commandp->labelRef());
 	button_p.tool_tip = LLTrans::getString(commandp->tooltipRef());
 	button_p.image_overlay = LLUI::getUIImage(commandp->icon());
+	button_p.button_flash_enable = commandp->isFlashingAllowed();
 	button_p.overwriteFrom(mButtonParams[mButtonType]);
 	LLToolBarButton* button = LLUICtrlFactory::create<LLToolBarButton>(button_p);
 
diff --git a/indra/llui/lltooltip.cpp b/indra/llui/lltooltip.cpp
index f737d48abf..d4670efedf 100644
--- a/indra/llui/lltooltip.cpp
+++ b/indra/llui/lltooltip.cpp
@@ -288,7 +288,7 @@ void LLToolTip::initFromParams(const LLToolTip::Params& p)
 		mTextBox->setText(p.message());
 	}
 
-	S32 text_width = llmin(p.max_width(), mTextBox->getTextPixelWidth());
+	S32 text_width = llmin(p.max_width(), mTextBox->getTextPixelWidth() + 1);
 	S32 text_height = mTextBox->getTextPixelHeight();
 	mTextBox->reshape(text_width, text_height);
 	if (mInfoButton)
diff --git a/indra/llui/llui.cpp b/indra/llui/llui.cpp
index 6d2bc1837c..ee09625890 100644
--- a/indra/llui/llui.cpp
+++ b/indra/llui/llui.cpp
@@ -978,31 +978,31 @@ void gl_rect_2d_checkerboard(const LLRect& rect, GLfloat alpha)
 {
 	if (!LLGLSLShader::sNoFixedFunction)
 	{ 
-		// Initialize the first time this is called.
-		const S32 PIXELS = 32;
-		static GLubyte checkerboard[PIXELS * PIXELS];
-		static BOOL first = TRUE;
-		if( first )
+	// Initialize the first time this is called.
+	const S32 PIXELS = 32;
+	static GLubyte checkerboard[PIXELS * PIXELS];
+	static BOOL first = TRUE;
+	if( first )
+	{
+		for( S32 i = 0; i < PIXELS; i++ )
 		{
-			for( S32 i = 0; i < PIXELS; i++ )
+			for( S32 j = 0; j < PIXELS; j++ )
 			{
-				for( S32 j = 0; j < PIXELS; j++ )
-				{
-					checkerboard[i * PIXELS + j] = ((i & 1) ^ (j & 1)) * 0xFF;
-				}
+				checkerboard[i * PIXELS + j] = ((i & 1) ^ (j & 1)) * 0xFF;
 			}
-			first = FALSE;
 		}
+		first = FALSE;
+	}
 	
-		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+	gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
 
-		// ...white squares
-		gGL.color4f( 1.f, 1.f, 1.f, alpha );
-		gl_rect_2d(rect);
+	// ...white squares
+	gGL.color4f( 1.f, 1.f, 1.f, alpha );
+	gl_rect_2d(rect);
 
-		// ...gray squares
-		gGL.color4f( .7f, .7f, .7f, alpha );
-		gGL.flush();
+	// ...gray squares
+	gGL.color4f( .7f, .7f, .7f, alpha );
+	gGL.flush();
 
 		glPolygonStipple( checkerboard );
 
@@ -1478,144 +1478,132 @@ void gl_segmented_rect_2d_fragment_tex(const S32 left,
 	gGL.popUIMatrix();
 }
 
-void gl_segmented_rect_3d_tex(const LLVector2& border_scale, const LLVector3& border_width, 
-							  const LLVector3& border_height, const LLVector3& width_vec, const LLVector3& height_vec,
-							  const U32 edges)
+void gl_segmented_rect_3d_tex(const LLRectf& clip_rect, const LLRectf& center_uv_rect, const LLRectf& center_draw_rect, 
+							 const LLVector3& width_vec, const LLVector3& height_vec)
 {
-	LLVector3 left_border_width = ((edges & (~(U32)ROUNDED_RECT_RIGHT)) != 0) ? border_width : LLVector3::zero;
-	LLVector3 right_border_width = ((edges & (~(U32)ROUNDED_RECT_LEFT)) != 0) ? border_width : LLVector3::zero;
-
-	LLVector3 top_border_height = ((edges & (~(U32)ROUNDED_RECT_BOTTOM)) != 0) ? border_height : LLVector3::zero;
-	LLVector3 bottom_border_height = ((edges & (~(U32)ROUNDED_RECT_TOP)) != 0) ? border_height : LLVector3::zero;
-
-
 	gGL.begin(LLRender::QUADS);
 	{
 		// draw bottom left
-		gGL.texCoord2f(0.f, 0.f);
+		gGL.texCoord2f(clip_rect.mLeft, clip_rect.mBottom);
 		gGL.vertex3f(0.f, 0.f, 0.f);
 
-		gGL.texCoord2f(border_scale.mV[VX], 0.f);
-		gGL.vertex3fv(left_border_width.mV);
+		gGL.texCoord2f(center_uv_rect.mLeft, clip_rect.mBottom);
+		gGL.vertex3fv((center_draw_rect.mLeft * width_vec).mV);
 
-		gGL.texCoord2f(border_scale.mV[VX], border_scale.mV[VY]);
-		gGL.vertex3fv((left_border_width + bottom_border_height).mV);
+		gGL.texCoord2f(center_uv_rect.mLeft, center_uv_rect.mBottom);
+		gGL.vertex3fv((center_draw_rect.mLeft * width_vec + center_draw_rect.mBottom * height_vec).mV);
 
-		gGL.texCoord2f(0.f, border_scale.mV[VY]);
-		gGL.vertex3fv(bottom_border_height.mV);
+		gGL.texCoord2f(clip_rect.mLeft, center_uv_rect.mBottom);
+		gGL.vertex3fv((center_draw_rect.mBottom * height_vec).mV);
 
 		// draw bottom middle
-		gGL.texCoord2f(border_scale.mV[VX], 0.f);
-		gGL.vertex3fv(left_border_width.mV);
+		gGL.texCoord2f(center_uv_rect.mLeft, clip_rect.mBottom);
+		gGL.vertex3fv((center_draw_rect.mLeft * width_vec).mV);
 
-		gGL.texCoord2f(1.f - border_scale.mV[VX], 0.f);
-		gGL.vertex3fv((width_vec - right_border_width).mV);
+		gGL.texCoord2f(center_uv_rect.mRight, clip_rect.mBottom);
+		gGL.vertex3fv((center_draw_rect.mRight * width_vec).mV);
 
-		gGL.texCoord2f(1.f - border_scale.mV[VX], border_scale.mV[VY]);
-		gGL.vertex3fv((width_vec - right_border_width + bottom_border_height).mV);
+		gGL.texCoord2f(center_uv_rect.mRight, center_uv_rect.mBottom);
+		gGL.vertex3fv((center_draw_rect.mRight * width_vec + center_draw_rect.mBottom * height_vec).mV);
 
-		gGL.texCoord2f(border_scale.mV[VX], border_scale.mV[VY]);
-		gGL.vertex3fv((left_border_width + bottom_border_height).mV);
+		gGL.texCoord2f(center_uv_rect.mLeft, center_uv_rect.mBottom);
+		gGL.vertex3fv((center_draw_rect.mLeft * width_vec + center_draw_rect.mBottom * height_vec).mV);
 
 		// draw bottom right
-		gGL.texCoord2f(1.f - border_scale.mV[VX], 0.f);
-		gGL.vertex3fv((width_vec - right_border_width).mV);
+		gGL.texCoord2f(center_uv_rect.mRight, clip_rect.mBottom);
+		gGL.vertex3fv((center_draw_rect.mRight * width_vec).mV);
 
-		gGL.texCoord2f(1.f, 0.f);
+		gGL.texCoord2f(clip_rect.mRight, clip_rect.mBottom);
 		gGL.vertex3fv(width_vec.mV);
 
-		gGL.texCoord2f(1.f, border_scale.mV[VY]);
-		gGL.vertex3fv((width_vec + bottom_border_height).mV);
+		gGL.texCoord2f(clip_rect.mRight, center_uv_rect.mBottom);
+		gGL.vertex3fv((width_vec + center_draw_rect.mBottom * height_vec).mV);
 
-		gGL.texCoord2f(1.f - border_scale.mV[VX], border_scale.mV[VY]);
-		gGL.vertex3fv((width_vec - right_border_width + bottom_border_height).mV);
+		gGL.texCoord2f(center_uv_rect.mRight, center_uv_rect.mBottom);
+		gGL.vertex3fv((center_draw_rect.mRight * width_vec + center_draw_rect.mBottom * height_vec).mV);
 
 		// draw left 
-		gGL.texCoord2f(0.f, border_scale.mV[VY]);
-		gGL.vertex3fv(bottom_border_height.mV);
+		gGL.texCoord2f(clip_rect.mLeft, center_uv_rect.mBottom);
+		gGL.vertex3fv((center_draw_rect.mBottom * height_vec).mV);
 
-		gGL.texCoord2f(border_scale.mV[VX], border_scale.mV[VY]);
-		gGL.vertex3fv((left_border_width + bottom_border_height).mV);
+		gGL.texCoord2f(center_uv_rect.mLeft, center_uv_rect.mBottom);
+		gGL.vertex3fv((center_draw_rect.mLeft * width_vec + center_draw_rect.mBottom * height_vec).mV);
 
-		gGL.texCoord2f(border_scale.mV[VX], 1.f - border_scale.mV[VY]);
-		gGL.vertex3fv((left_border_width + height_vec - top_border_height).mV);
+		gGL.texCoord2f(center_uv_rect.mLeft, center_uv_rect.mTop);
+		gGL.vertex3fv((center_draw_rect.mLeft * width_vec + center_draw_rect.mTop * height_vec).mV);
 
-		gGL.texCoord2f(0.f, 1.f - border_scale.mV[VY]);
-		gGL.vertex3fv((height_vec - top_border_height).mV);
+		gGL.texCoord2f(clip_rect.mLeft, center_uv_rect.mTop);
+		gGL.vertex3fv((center_draw_rect.mTop * height_vec).mV);
 
 		// draw middle
-		gGL.texCoord2f(border_scale.mV[VX], border_scale.mV[VY]);
-		gGL.vertex3fv((left_border_width + bottom_border_height).mV);
+		gGL.texCoord2f(center_uv_rect.mLeft, center_uv_rect.mBottom);
+		gGL.vertex3fv((center_draw_rect.mLeft * width_vec + center_draw_rect.mBottom * height_vec).mV);
 
-		gGL.texCoord2f(1.f - border_scale.mV[VX], border_scale.mV[VY]);
-		gGL.vertex3fv((width_vec - right_border_width + bottom_border_height).mV);
+		gGL.texCoord2f(center_uv_rect.mRight, center_uv_rect.mBottom);
+		gGL.vertex3fv((center_draw_rect.mRight * width_vec + center_draw_rect.mBottom * height_vec).mV);
 
-		gGL.texCoord2f(1.f - border_scale.mV[VX], 1.f - border_scale.mV[VY]);
-		gGL.vertex3fv((width_vec - right_border_width + height_vec - top_border_height).mV);
+		gGL.texCoord2f(center_uv_rect.mRight, center_uv_rect.mTop);
+		gGL.vertex3fv((center_draw_rect.mRight * width_vec + center_draw_rect.mTop * height_vec).mV);
 
-		gGL.texCoord2f(border_scale.mV[VX], 1.f - border_scale.mV[VY]);
-		gGL.vertex3fv((left_border_width + height_vec - top_border_height).mV);
+		gGL.texCoord2f(center_uv_rect.mLeft, center_uv_rect.mTop);
+		gGL.vertex3fv((center_draw_rect.mLeft * width_vec + center_draw_rect.mTop * height_vec).mV);
 
 		// draw right 
-		gGL.texCoord2f(1.f - border_scale.mV[VX], border_scale.mV[VY]);
-		gGL.vertex3fv((width_vec - right_border_width + bottom_border_height).mV);
+		gGL.texCoord2f(center_uv_rect.mRight, center_uv_rect.mBottom);
+		gGL.vertex3fv((center_draw_rect.mRight * width_vec + center_draw_rect.mBottom * height_vec).mV);
 
-		gGL.texCoord2f(1.f, border_scale.mV[VY]);
-		gGL.vertex3fv((width_vec + bottom_border_height).mV);
+		gGL.texCoord2f(clip_rect.mRight, center_uv_rect.mBottom);
+		gGL.vertex3fv((width_vec + center_draw_rect.mBottom * height_vec).mV);
 
-		gGL.texCoord2f(1.f, 1.f - border_scale.mV[VY]);
-		gGL.vertex3fv((width_vec + height_vec - top_border_height).mV);
+		gGL.texCoord2f(clip_rect.mRight, center_uv_rect.mTop);
+		gGL.vertex3fv((width_vec + center_draw_rect.mTop * height_vec).mV);
 
-		gGL.texCoord2f(1.f - border_scale.mV[VX], 1.f - border_scale.mV[VY]);
-		gGL.vertex3fv((width_vec - right_border_width + height_vec - top_border_height).mV);
+		gGL.texCoord2f(center_uv_rect.mRight, center_uv_rect.mTop);
+		gGL.vertex3fv((center_draw_rect.mRight * width_vec + center_draw_rect.mTop * height_vec).mV);
 
 		// draw top left
-		gGL.texCoord2f(0.f, 1.f - border_scale.mV[VY]);
-		gGL.vertex3fv((height_vec - top_border_height).mV);
+		gGL.texCoord2f(clip_rect.mLeft, center_uv_rect.mTop);
+		gGL.vertex3fv((center_draw_rect.mTop * height_vec).mV);
 
-		gGL.texCoord2f(border_scale.mV[VX], 1.f - border_scale.mV[VY]);
-		gGL.vertex3fv((left_border_width + height_vec - top_border_height).mV);
+		gGL.texCoord2f(center_uv_rect.mLeft, center_uv_rect.mTop);
+		gGL.vertex3fv((center_draw_rect.mLeft * width_vec + center_draw_rect.mTop * height_vec).mV);
 
-		gGL.texCoord2f(border_scale.mV[VX], 1.f);
-		gGL.vertex3fv((left_border_width + height_vec).mV);
+		gGL.texCoord2f(center_uv_rect.mLeft, clip_rect.mTop);
+		gGL.vertex3fv((center_draw_rect.mLeft * width_vec + height_vec).mV);
 
-		gGL.texCoord2f(0.f, 1.f);
+		gGL.texCoord2f(clip_rect.mLeft, clip_rect.mTop);
 		gGL.vertex3fv((height_vec).mV);
 
 		// draw top middle
-		gGL.texCoord2f(border_scale.mV[VX], 1.f - border_scale.mV[VY]);
-		gGL.vertex3fv((left_border_width + height_vec - top_border_height).mV);
+		gGL.texCoord2f(center_uv_rect.mLeft, center_uv_rect.mTop);
+		gGL.vertex3fv((center_draw_rect.mLeft * width_vec + center_draw_rect.mTop * height_vec).mV);
 
-		gGL.texCoord2f(1.f - border_scale.mV[VX], 1.f - border_scale.mV[VY]);
-		gGL.vertex3fv((width_vec - right_border_width + height_vec - top_border_height).mV);
+		gGL.texCoord2f(center_uv_rect.mRight, center_uv_rect.mTop);
+		gGL.vertex3fv((center_draw_rect.mRight * width_vec + center_draw_rect.mTop * height_vec).mV);
 
-		gGL.texCoord2f(1.f - border_scale.mV[VX], 1.f);
-		gGL.vertex3fv((width_vec - right_border_width + height_vec).mV);
+		gGL.texCoord2f(center_uv_rect.mRight, clip_rect.mTop);
+		gGL.vertex3fv((center_draw_rect.mRight * width_vec + height_vec).mV);
 
-		gGL.texCoord2f(border_scale.mV[VX], 1.f);
-		gGL.vertex3fv((left_border_width + height_vec).mV);
+		gGL.texCoord2f(center_uv_rect.mLeft, clip_rect.mTop);
+		gGL.vertex3fv((center_draw_rect.mLeft * width_vec + height_vec).mV);
 
 		// draw top right
-		gGL.texCoord2f(1.f - border_scale.mV[VX], 1.f - border_scale.mV[VY]);
-		gGL.vertex3fv((width_vec - right_border_width + height_vec - top_border_height).mV);
+		gGL.texCoord2f(center_uv_rect.mRight, center_uv_rect.mTop);
+		gGL.vertex3fv((center_draw_rect.mRight * width_vec + center_draw_rect.mTop * height_vec).mV);
 
-		gGL.texCoord2f(1.f, 1.f - border_scale.mV[VY]);
-		gGL.vertex3fv((width_vec + height_vec - top_border_height).mV);
+		gGL.texCoord2f(clip_rect.mRight, center_uv_rect.mTop);
+		gGL.vertex3fv((width_vec + center_draw_rect.mTop * height_vec).mV);
 
-		gGL.texCoord2f(1.f, 1.f);
+		gGL.texCoord2f(clip_rect.mRight, clip_rect.mTop);
 		gGL.vertex3fv((width_vec + height_vec).mV);
 
-		gGL.texCoord2f(1.f - border_scale.mV[VX], 1.f);
-		gGL.vertex3fv((width_vec - right_border_width + height_vec).mV);
+		gGL.texCoord2f(center_uv_rect.mRight, clip_rect.mTop);
+		gGL.vertex3fv((center_draw_rect.mRight * width_vec + height_vec).mV);
 	}
 	gGL.end();
 
 }
 
-void gl_segmented_rect_3d_tex_top(const LLVector2& border_scale, const LLVector3& border_width, const LLVector3& border_height, const LLVector3& width_vec, const LLVector3& height_vec)
-{
-	gl_segmented_rect_3d_tex(border_scale, border_width, border_height, width_vec, height_vec, ROUNDED_RECT_TOP);
-}
 
 void LLUI::initClass(const settings_map_t& settings,
 					 LLImageProviderInterface* image_provider,
@@ -2067,7 +2055,7 @@ const LLView* LLUI::resolvePath(const LLView* context, const std::string& path)
 
 namespace LLInitParam
 {
-	ParamValue<LLUIColor, TypeValues<LLUIColor> >::ParamValue(const LLUIColor& color)
+	ParamValue<LLUIColor>::ParamValue(const LLUIColor& color)
 	:	super_t(color),
 		red("red"),
 		green("green"),
@@ -2078,7 +2066,7 @@ namespace LLInitParam
 		updateBlockFromValue(false);
 	}
 
-	void ParamValue<LLUIColor, TypeValues<LLUIColor> >::updateValueFromBlock()
+	void ParamValue<LLUIColor>::updateValueFromBlock()
 	{
 		if (control.isProvided() && !control().empty())
 		{
@@ -2090,7 +2078,7 @@ namespace LLInitParam
 		}
 	}
 	
-	void ParamValue<LLUIColor, TypeValues<LLUIColor> >::updateBlockFromValue(bool make_block_authoritative)
+	void ParamValue<LLUIColor>::updateBlockFromValue(bool make_block_authoritative)
 	{
 		LLColor4 color = getValue();
 		red.set(color.mV[VRED], make_block_authoritative);
@@ -2106,7 +2094,7 @@ namespace LLInitParam
 			&& !(b->getFontDesc() < a->getFontDesc());
 	}
 
-	ParamValue<const LLFontGL*, TypeValues<const LLFontGL*> >::ParamValue(const LLFontGL* fontp)
+	ParamValue<const LLFontGL*>::ParamValue(const LLFontGL* fontp)
 	:	super_t(fontp),
 		name("name"),
 		size("size"),
@@ -2120,7 +2108,7 @@ namespace LLInitParam
 		updateBlockFromValue(false);
 	}
 
-	void ParamValue<const LLFontGL*, TypeValues<const LLFontGL*> >::updateValueFromBlock()
+	void ParamValue<const LLFontGL*>::updateValueFromBlock()
 	{
 		const LLFontGL* res_fontp = LLFontGL::getFontByName(name);
 		if (res_fontp)
@@ -2143,7 +2131,7 @@ namespace LLInitParam
 		}
 	}
 	
-	void ParamValue<const LLFontGL*, TypeValues<const LLFontGL*> >::updateBlockFromValue(bool make_block_authoritative)
+	void ParamValue<const LLFontGL*>::updateBlockFromValue(bool make_block_authoritative)
 	{
 		if (getValue())
 		{
@@ -2153,7 +2141,7 @@ namespace LLInitParam
 		}
 	}
 
-	ParamValue<LLRect, TypeValues<LLRect> >::ParamValue(const LLRect& rect)
+	ParamValue<LLRect>::ParamValue(const LLRect& rect)
 	:	super_t(rect),
 		left("left"),
 		top("top"),
@@ -2165,7 +2153,7 @@ namespace LLInitParam
 		updateBlockFromValue(false);
 	}
 
-	void ParamValue<LLRect, TypeValues<LLRect> >::updateValueFromBlock()
+	void ParamValue<LLRect>::updateValueFromBlock()
 	{
 		LLRect rect;
 
@@ -2229,7 +2217,7 @@ namespace LLInitParam
 		updateValue(rect);
 	}
 	
-	void ParamValue<LLRect, TypeValues<LLRect> >::updateBlockFromValue(bool make_block_authoritative)
+	void ParamValue<LLRect>::updateBlockFromValue(bool make_block_authoritative)
 	{
 		// because of the ambiguity in specifying a rect by position and/or dimensions
 		// we use the lowest priority pairing so that any valid pairing in xui 
@@ -2246,7 +2234,7 @@ namespace LLInitParam
 		height.set(value.getHeight(), make_block_authoritative);
 	}
 
-	ParamValue<LLCoordGL, TypeValues<LLCoordGL> >::ParamValue(const LLCoordGL& coord)
+	ParamValue<LLCoordGL>::ParamValue(const LLCoordGL& coord)
 	:	super_t(coord),
 		x("x"),
 		y("y")
@@ -2254,12 +2242,12 @@ namespace LLInitParam
 		updateBlockFromValue(false);
 	}
 
-	void ParamValue<LLCoordGL, TypeValues<LLCoordGL> >::updateValueFromBlock()
+	void ParamValue<LLCoordGL>::updateValueFromBlock()
 	{
 		updateValue(LLCoordGL(x, y));
 	}
 	
-	void ParamValue<LLCoordGL, TypeValues<LLCoordGL> >::updateBlockFromValue(bool make_block_authoritative)
+	void ParamValue<LLCoordGL>::updateBlockFromValue(bool make_block_authoritative)
 	{
 		x.set(getValue().mX, make_block_authoritative);
 		y.set(getValue().mY, make_block_authoritative);
diff --git a/indra/llui/llui.h b/indra/llui/llui.h
index c5a12d2b31..e54cae1d78 100644
--- a/indra/llui/llui.h
+++ b/indra/llui/llui.h
@@ -127,8 +127,7 @@ typedef enum e_rounded_edge
 
 void gl_segmented_rect_2d_tex(const S32 left, const S32 top, const S32 right, const S32 bottom, const S32 texture_width, const S32 texture_height, const S32 border_size, const U32 edges = ROUNDED_RECT_ALL);
 void gl_segmented_rect_2d_fragment_tex(const S32 left, const S32 top, const S32 right, const S32 bottom, const S32 texture_width, const S32 texture_height, const S32 border_size, const F32 start_fragment, const F32 end_fragment, const U32 edges = ROUNDED_RECT_ALL);
-void gl_segmented_rect_3d_tex(const LLVector2& border_scale, const LLVector3& border_width, const LLVector3& border_height, const LLVector3& width_vec, const LLVector3& height_vec, U32 edges = ROUNDED_RECT_ALL);
-void gl_segmented_rect_3d_tex_top(const LLVector2& border_scale, const LLVector3& border_width, const LLVector3& border_height, const LLVector3& width_vec, const LLVector3& height_vec);
+void gl_segmented_rect_3d_tex(const LLRectf& clip_rect, const LLRectf& center_uv_rect, const LLRectf& center_draw_rect, const LLVector3& width_vec, const LLVector3& height_vec);
 
 inline void gl_rect_2d( const LLRect& rect, BOOL filled )
 {
@@ -507,7 +506,7 @@ public:
 namespace LLInitParam
 {
 	template<>
-	class ParamValue<LLRect, TypeValues<LLRect> > 
+	class ParamValue<LLRect> 
 	:	public CustomParamValue<LLRect>
 	{
         typedef CustomParamValue<LLRect> super_t;
@@ -526,7 +525,7 @@ namespace LLInitParam
 	};
 
 	template<>
-	class ParamValue<LLUIColor, TypeValues<LLUIColor> > 
+	class ParamValue<LLUIColor> 
 	:	public CustomParamValue<LLUIColor>
 	{
         typedef CustomParamValue<LLUIColor> super_t;
@@ -544,7 +543,7 @@ namespace LLInitParam
 	};
 
 	template<>
-	class ParamValue<const LLFontGL*, TypeValues<const LLFontGL*> > 
+	class ParamValue<const LLFontGL*> 
 	:	public CustomParamValue<const LLFontGL* >
 	{
         typedef CustomParamValue<const LLFontGL*> super_t;
@@ -584,7 +583,7 @@ namespace LLInitParam
 
 
 	template<>
-	class ParamValue<LLCoordGL, TypeValues<LLCoordGL> >
+	class ParamValue<LLCoordGL>
 	:	public CustomParamValue<LLCoordGL>
 	{
 		typedef CustomParamValue<LLCoordGL> super_t;
diff --git a/indra/llui/lluictrlfactory.cpp b/indra/llui/lluictrlfactory.cpp
index bd06476936..60fee47ae0 100644
--- a/indra/llui/lluictrlfactory.cpp
+++ b/indra/llui/lluictrlfactory.cpp
@@ -247,13 +247,13 @@ const LLInitParam::BaseBlock& get_empty_param_block()
 
 // adds a widget and its param block to various registries
 //static 
-void LLUICtrlFactory::registerWidget(const std::type_info* widget_type, const std::type_info* param_block_type, const std::string& tag)
+void LLUICtrlFactory::registerWidget(const std::type_info* widget_type, const std::type_info* param_block_type, const std::string& name)
 {
 	// associate parameter block type with template .xml file
-	std::string* existing_tag = LLWidgetNameRegistry::instance().getValue(param_block_type);
-	if (existing_tag != NULL)
+	std::string* existing_name = LLWidgetNameRegistry::instance().getValue(param_block_type);
+	if (existing_name != NULL)
 	{
-		if(*existing_tag != tag)
+		if(*existing_name != name)
 		{
 			std::cerr << "Duplicate entry for T::Params, try creating empty param block in derived classes that inherit T::Params" << std::endl;
 			// forcing crash here
@@ -262,19 +262,15 @@ void LLUICtrlFactory::registerWidget(const std::type_info* widget_type, const st
 		}
 		else
 		{
-			// widget already registered
+			// widget already registered this name
 			return;
 		}
 	}
-	LLWidgetNameRegistry::instance().defaultRegistrar().add(param_block_type, tag);
+
+	LLWidgetNameRegistry::instance().defaultRegistrar().add(param_block_type, name);
 	//FIXME: comment this in when working on schema generation
 	//LLWidgetTypeRegistry::instance().defaultRegistrar().add(tag, widget_type);
 	//LLDefaultParamBlockRegistry::instance().defaultRegistrar().add(widget_type, &get_empty_param_block<T>);
 }
 
-//static 
-const std::string* LLUICtrlFactory::getWidgetTag(const std::type_info* widget_type)
-{
-	return LLWidgetNameRegistry::instance().getValue(widget_type);
-}
 
diff --git a/indra/llui/lluictrlfactory.h b/indra/llui/lluictrlfactory.h
index f6971261d7..876bb5ef46 100644
--- a/indra/llui/lluictrlfactory.h
+++ b/indra/llui/lluictrlfactory.h
@@ -98,7 +98,7 @@ private:
 		ParamDefaults()
 		{
 			// look up template file for this param block...
-			const std::string* param_block_tag = getWidgetTag(&typeid(PARAM_BLOCK));
+			const std::string* param_block_tag = LLWidgetNameRegistry::instance().getValue(&typeid(PARAM_BLOCK));
 			if (param_block_tag)
 			{	// ...and if it exists, back fill values using the most specific template first
 				PARAM_BLOCK params;
@@ -132,7 +132,6 @@ public:
 	template<typename T>
 	static const typename T::Params& getDefaultParams()
 	{
-		//#pragma message("Generating ParamDefaults")
 		return ParamDefaults<typename T::Params, 0>::instance().get();
 	}
 
@@ -285,8 +284,6 @@ private:
 	}
 
 
-	static const std::string* getWidgetTag(const std::type_info* widget_type);
-
 	// this exists to get around dependency on llview
 	static void setCtrlParent(LLView* view, LLView* parent, S32 tab_group);
 
diff --git a/indra/llui/lluiimage.cpp b/indra/llui/lluiimage.cpp
index 1d9ce29ba9..9ed98f941f 100644
--- a/indra/llui/lluiimage.cpp
+++ b/indra/llui/lluiimage.cpp
@@ -112,6 +112,50 @@ void LLUIImage::drawBorder(S32 x, S32 y, S32 width, S32 height, const LLColor4&
 	drawSolid(border_rect, color);
 }
 
+void LLUIImage::draw3D(const LLVector3& origin_agent, const LLVector3& x_axis, const LLVector3& y_axis, 
+						const LLRect& rect, const LLColor4& color)
+{
+	F32 border_scale = 1.f;
+	F32 border_height = (1.f - mScaleRegion.getHeight()) * getHeight();
+	F32 border_width = (1.f - mScaleRegion.getWidth()) * getWidth();
+	if (rect.getHeight() < border_height || rect.getWidth() < border_width)
+	{
+		 if(border_height - rect.getHeight() > border_width - rect.getWidth())
+		 {
+			 border_scale = (F32)rect.getHeight() / border_height;
+		 }
+		 else
+		 {
+			border_scale = (F32)rect.getWidth() / border_width;
+		 }
+	}
+
+	LLUI::pushMatrix();
+	{ 
+		LLVector3 rect_origin = origin_agent + (rect.mLeft * x_axis) + (rect.mBottom * y_axis); 
+		LLUI::translate(rect_origin.mV[VX],
+						rect_origin.mV[VY], 
+						rect_origin.mV[VZ]);
+		gGL.getTexUnit(0)->bind(getImage());
+		gGL.color4fv(color.mV);
+
+		LLRectf center_uv_rect(mClipRegion.mLeft + mScaleRegion.mLeft * mClipRegion.getWidth(),
+							mClipRegion.mBottom + mScaleRegion.mTop * mClipRegion.getHeight(),
+							mClipRegion.mLeft + mScaleRegion.mRight * mClipRegion.getWidth(),
+							mClipRegion.mBottom + mScaleRegion.mBottom * mClipRegion.getHeight());
+		gl_segmented_rect_3d_tex(mClipRegion,
+								center_uv_rect,
+								LLRectf(border_width * border_scale * 0.5f / (F32)rect.getWidth(),
+										(rect.getHeight() - (border_height * border_scale * 0.5f)) / (F32)rect.getHeight(),
+										(rect.getWidth() - (border_width * border_scale * 0.5f)) / (F32)rect.getWidth(),
+										(border_height * border_scale * 0.5f) / (F32)rect.getHeight()),
+								rect.getWidth() * x_axis, 
+								rect.getHeight() * y_axis);
+		
+	} LLUI::popMatrix();
+}
+
+
 S32 LLUIImage::getWidth() const
 { 
 	// return clipped dimensions of actual image area
@@ -155,7 +199,7 @@ void LLUIImage::onImageLoaded()
 
 namespace LLInitParam
 {
-	void ParamValue<LLUIImage*, TypeValues<LLUIImage*> >::updateValueFromBlock()
+	void ParamValue<LLUIImage*>::updateValueFromBlock()
 	{
 		// The keyword "none" is specifically requesting a null image
 		// do not default to current value. Used to overwrite template images. 
@@ -172,7 +216,7 @@ namespace LLInitParam
 		}
 	}
 	
-	void ParamValue<LLUIImage*, TypeValues<LLUIImage*> >::updateBlockFromValue(bool make_block_authoritative)
+	void ParamValue<LLUIImage*>::updateBlockFromValue(bool make_block_authoritative)
 	{
 		if (getValue() == NULL)
 		{
diff --git a/indra/llui/lluiimage.h b/indra/llui/lluiimage.h
index f07e8fa746..7817ba1c7b 100644
--- a/indra/llui/lluiimage.h
+++ b/indra/llui/lluiimage.h
@@ -64,7 +64,9 @@ public:
 	void drawBorder(S32 x, S32 y, S32 width, S32 height, const LLColor4& color, S32 border_width) const;
 	void drawBorder(const LLRect& rect, const LLColor4& color, S32 border_width) const { drawBorder(rect.mLeft, rect.mBottom, rect.getWidth(), rect.getHeight(), color, border_width); }
 	void drawBorder(S32 x, S32 y, const LLColor4& color, S32 border_width) const { drawBorder(x, y, getWidth(), getHeight(), color, border_width); }
-	
+
+	void draw3D(const LLVector3& origin_agent, const LLVector3& x_axis, const LLVector3& y_axis, const LLRect& rect, const LLColor4& color);
+
 	const std::string& getName() const { return mName; }
 
 	virtual S32 getWidth() const;
@@ -92,7 +94,7 @@ protected:
 namespace LLInitParam
 {
 	template<>
-	class ParamValue<LLUIImage*, TypeValues<LLUIImage*> > 
+	class ParamValue<LLUIImage*> 
 	:	public CustomParamValue<LLUIImage*>
 	{
 		typedef boost::add_reference<boost::add_const<LLUIImage*>::type>::type	T_const_ref;
@@ -100,7 +102,7 @@ namespace LLInitParam
 	public:
 		Optional<std::string> name;
 
-		ParamValue(LLUIImage* const& image)
+		ParamValue(LLUIImage* const& image = NULL)
 		:	super_t(image)
 		{
 			updateBlockFromValue(false);
diff --git a/indra/llui/llurlentry.cpp b/indra/llui/llurlentry.cpp
index a9e8fbb4e4..99ee688888 100644
--- a/indra/llui/llurlentry.cpp
+++ b/indra/llui/llurlentry.cpp
@@ -340,7 +340,8 @@ std::string LLUrlEntrySLURL::getLocation(const std::string &url) const
 // secondlife:///app/agent/0e346d8b-4433-4d66-a6b0-fd37083abc4c/about
 // x-grid-location-info://lincoln.lindenlab.com/app/agent/0e346d8b-4433-4d66-a6b0-fd37083abc4c/about
 //
-LLUrlEntryAgent::LLUrlEntryAgent()
+LLUrlEntryAgent::LLUrlEntryAgent() :
+	mAvatarNameCacheConnection()
 {
 	mPattern = boost::regex(APP_HEADER_REGEX "/agent/[\\da-f-]+/\\w+",
 							boost::regex::perl|boost::regex::icase);
@@ -371,7 +372,9 @@ void LLUrlEntryAgent::callObservers(const std::string &id,
 void LLUrlEntryAgent::onAvatarNameCache(const LLUUID& id,
 										const LLAvatarName& av_name)
 {
-	std::string label = av_name.getCompleteName();
+	mAvatarNameCacheConnection.disconnect();
+	
+ 	std::string label = av_name.getCompleteName();
 
 	// received the agent name from the server - tell our observers
 	callObservers(id.asString(), label, mIcon);
@@ -456,9 +459,11 @@ std::string LLUrlEntryAgent::getLabel(const std::string &url, const LLUrlLabelCa
 	}
 	else
 	{
-		LLAvatarNameCache::get(agent_id,
-			boost::bind(&LLUrlEntryAgent::onAvatarNameCache,
-				this, _1, _2));
+		if (mAvatarNameCacheConnection.connected())
+		{
+			mAvatarNameCacheConnection.disconnect();
+		}
+		mAvatarNameCacheConnection = LLAvatarNameCache::get(agent_id, boost::bind(&LLUrlEntryAgent::onAvatarNameCache, this, _1, _2));
 		addObserver(agent_id_string, url, cb);
 		return LLTrans::getString("LoadingData");
 	}
@@ -515,12 +520,15 @@ std::string LLUrlEntryAgent::getIcon(const std::string &url)
 // secondlife:///app/agent/0e346d8b-4433-4d66-a6b0-fd37083abc4c/(completename|displayname|username)
 // x-grid-location-info://lincoln.lindenlab.com/app/agent/0e346d8b-4433-4d66-a6b0-fd37083abc4c/(completename|displayname|username)
 //
-LLUrlEntryAgentName::LLUrlEntryAgentName()
+LLUrlEntryAgentName::LLUrlEntryAgentName() :
+	mAvatarNameCacheConnection()
 {}
 
 void LLUrlEntryAgentName::onAvatarNameCache(const LLUUID& id,
 										const LLAvatarName& av_name)
 {
+	mAvatarNameCacheConnection.disconnect();
+
 	std::string label = getName(av_name);
 	// received the agent name from the server - tell our observers
 	callObservers(id.asString(), label, mIcon);
@@ -554,9 +562,11 @@ std::string LLUrlEntryAgentName::getLabel(const std::string &url, const LLUrlLab
 	}
 	else
 	{
-		LLAvatarNameCache::get(agent_id,
-			boost::bind(&LLUrlEntryAgentCompleteName::onAvatarNameCache,
-				this, _1, _2));
+		if (mAvatarNameCacheConnection.connected())
+		{
+			mAvatarNameCacheConnection.disconnect();
+		}
+		mAvatarNameCacheConnection = LLAvatarNameCache::get(agent_id, boost::bind(&LLUrlEntryAgentName::onAvatarNameCache, this, _1, _2));
 		addObserver(agent_id_string, url, cb);
 		return LLTrans::getString("LoadingData");
 	}
@@ -597,7 +607,7 @@ LLUrlEntryAgentDisplayName::LLUrlEntryAgentDisplayName()
 
 std::string LLUrlEntryAgentDisplayName::getName(const LLAvatarName& avatar_name)
 {
-	return avatar_name.mDisplayName;
+	return avatar_name.getDisplayName();
 }
 
 //
@@ -613,7 +623,7 @@ LLUrlEntryAgentUserName::LLUrlEntryAgentUserName()
 
 std::string LLUrlEntryAgentUserName::getName(const LLAvatarName& avatar_name)
 {
-	return avatar_name.mUsername.empty() ? avatar_name.getLegacyName() : avatar_name.mUsername;
+	return avatar_name.getAccountName();
 }
 
 //
diff --git a/indra/llui/llurlentry.h b/indra/llui/llurlentry.h
index 5f82721c0f..8c6c32178a 100644
--- a/indra/llui/llurlentry.h
+++ b/indra/llui/llurlentry.h
@@ -171,6 +171,13 @@ class LLUrlEntryAgent : public LLUrlEntryBase
 {
 public:
 	LLUrlEntryAgent();
+	~LLUrlEntryAgent()
+	{
+		if (mAvatarNameCacheConnection.connected())
+		{
+			mAvatarNameCacheConnection.disconnect();
+		}
+	}
 	/*virtual*/ std::string getLabel(const std::string &url, const LLUrlLabelCallback &cb);
 	/*virtual*/ std::string getIcon(const std::string &url);
 	/*virtual*/ std::string getTooltip(const std::string &string) const;
@@ -181,6 +188,7 @@ protected:
 	/*virtual*/ void callObservers(const std::string &id, const std::string &label, const std::string& icon);
 private:
 	void onAvatarNameCache(const LLUUID& id, const LLAvatarName& av_name);
+	boost::signals2::connection mAvatarNameCacheConnection;
 };
 
 ///
@@ -192,6 +200,13 @@ class LLUrlEntryAgentName : public LLUrlEntryBase, public boost::signals2::track
 {
 public:
 	LLUrlEntryAgentName();
+	~LLUrlEntryAgentName()
+	{
+		if (mAvatarNameCacheConnection.connected())
+		{
+			mAvatarNameCacheConnection.disconnect();
+		}
+	}
 	/*virtual*/ std::string getLabel(const std::string &url, const LLUrlLabelCallback &cb);
 	/*virtual*/ LLStyle::Params getStyle() const;
 protected:
@@ -199,6 +214,7 @@ protected:
 	virtual std::string getName(const LLAvatarName& avatar_name) = 0;
 private:
 	void onAvatarNameCache(const LLUUID& id, const LLAvatarName& av_name);
+	boost::signals2::connection mAvatarNameCacheConnection;
 };
 
 
diff --git a/indra/llui/llview.cpp b/indra/llui/llview.cpp
index ad9bec9f61..3613a40e2c 100644
--- a/indra/llui/llview.cpp
+++ b/indra/llui/llview.cpp
@@ -55,6 +55,8 @@
 #include "lltexteditor.h"
 #include "lltextbox.h"
 
+static const S32 LINE_HEIGHT = 15;
+
 S32		LLView::sDepth = 0;
 bool	LLView::sDebugRects = false;
 bool	LLView::sDebugRectsShowNames = true;
@@ -349,7 +351,7 @@ void LLView::removeChild(LLView* child)
 	}
 	else
 	{
-		llwarns << child->getName() << "is not a child of " << getName() << llendl;
+		llwarns << "\"" << child->getName() << "\" is not a child of " << getName() << llendl;
 	}
 	updateBoundingRect();
 }
@@ -873,13 +875,12 @@ BOOL LLView::handleToolTip(S32 x, S32 y, MASK mask)
 		// allow "scrubbing" over ui by showing next tooltip immediately
 		// if previous one was still visible
 		F32 timeout = LLToolTipMgr::instance().toolTipVisible() 
-			? LLUI::sSettingGroups["config"]->getF32( "ToolTipFastDelay" )
-			: LLUI::sSettingGroups["config"]->getF32( "ToolTipDelay" );
+		              ? LLUI::sSettingGroups["config"]->getF32( "ToolTipFastDelay" )
+		              : LLUI::sSettingGroups["config"]->getF32( "ToolTipDelay" );
 		LLToolTipMgr::instance().show(LLToolTip::Params()
-			.message(tooltip)
-			.sticky_rect(calcScreenRect())
-			.delay_time(timeout));
-
+		                              .message(tooltip)
+		                              .sticky_rect(calcScreenRect())
+		                              .delay_time(timeout));
 		handled = TRUE;
 	}
 
@@ -1204,11 +1205,24 @@ void LLView::drawDebugRect()
 			&& preview_iter == sPreviewHighlightedElements.end()
 			&& sDebugRectsShowNames)
 		{
-			//char temp[256];
 			S32 x, y;
 			gGL.color4fv( border_color.mV );
-			x = debug_rect.getWidth()/2;
-			y = debug_rect.getHeight()/2;
+
+			x = debug_rect.getWidth() / 2;
+
+			S32 rect_height = debug_rect.getHeight();
+			S32 lines = rect_height / LINE_HEIGHT + 1;
+
+			S32 depth = 0;
+			LLView * viewp = this;
+			while (NULL != viewp)
+			{
+				viewp = viewp->getParent();
+				depth++;
+			}
+
+			y = rect_height - LINE_HEIGHT * (depth % lines + 1);
+
 			std::string debug_text = llformat("%s (%d x %d)", getName().c_str(),
 										debug_rect.getWidth(), debug_rect.getHeight());
 			LLFontGL::getFontSansSerifSmall()->renderUTF8(debug_text, 0, (F32)x, (F32)y, border_color,
diff --git a/indra/llui/llview.h b/indra/llui/llview.h
index 1c35349510..15b85a6418 100644
--- a/indra/llui/llview.h
+++ b/indra/llui/llview.h
@@ -67,7 +67,6 @@ const BOOL	NOT_MOUSE_OPAQUE = FALSE;
 
 const U32 GL_NAME_UI_RESERVED = 2;
 
-
 // maintains render state during traversal of UI tree
 class LLViewDrawContext
 {
diff --git a/indra/llui/llxuiparser.cpp b/indra/llui/llxuiparser.cpp
index afc76024d1..3ad5ad7d42 100644
--- a/indra/llui/llxuiparser.cpp
+++ b/indra/llui/llxuiparser.cpp
@@ -42,7 +42,7 @@
 #include <boost/spirit/include/classic_core.hpp>
 
 #include "lluicolor.h"
-
+#include "v3math.h"
 using namespace BOOST_SPIRIT_CLASSIC_NS;
 
 const S32 MAX_STRING_ATTRIBUTE_SIZE = 40;
@@ -79,7 +79,6 @@ struct Occurs : public LLInitParam::Block<Occurs>
 	{}
 };
 
-
 typedef enum
 {
 	USE_REQUIRED,
@@ -101,14 +100,23 @@ namespace LLInitParam
 
 struct Element;
 struct Group;
-struct Choice;
 struct Sequence;
-struct Any;
+
+struct All : public LLInitParam::Block<All, Occurs>
+{
+	Multiple< Lazy<Element, IS_A_BLOCK> > elements;
+
+	All()
+	:	elements("element")
+	{
+		maxOccurs = 1;
+	}
+};
 
 struct Attribute : public LLInitParam::Block<Attribute>
 {
-	Mandatory<std::string>	name;
-	Mandatory<std::string>	type;
+	Mandatory<std::string>	name,
+							type;
 	Mandatory<EUse>			use;
 	
 	Attribute()
@@ -127,24 +135,13 @@ struct Any : public LLInitParam::Block<Any, Occurs>
 	{}
 };
 
-struct All : public LLInitParam::Block<All, Occurs>
-{
-	Multiple< Lazy<Element> > elements;
-
-	All()
-	:	elements("element")
-	{
-		maxOccurs = 1;
-	}
-};
-
 struct Choice : public LLInitParam::ChoiceBlock<Choice, Occurs>
 {
-	Alternative< Lazy<Element> >	element;
-	Alternative< Lazy<Group> >		group;
-	Alternative< Lazy<Choice> >		choice;
-	Alternative< Lazy<Sequence> >	sequence;
-	Alternative< Lazy<Any> >		any;
+	Alternative< Lazy<Element, IS_A_BLOCK> >	element;
+	Alternative< Lazy<Group, IS_A_BLOCK> >		group;
+	Alternative< Lazy<Choice, IS_A_BLOCK> >		choice;
+	Alternative< Lazy<Sequence, IS_A_BLOCK> >	sequence;
+	Alternative< Lazy<Any> >					any;
 
 	Choice()
 	:	element("element"),
@@ -158,11 +155,11 @@ struct Choice : public LLInitParam::ChoiceBlock<Choice, Occurs>
 
 struct Sequence : public LLInitParam::ChoiceBlock<Sequence, Occurs>
 {
-	Alternative< Lazy<Element> >	element;
-	Alternative< Lazy<Group> >		group;
-	Alternative< Lazy<Choice> >		choice;
-	Alternative< Lazy<Sequence> >	sequence;
-	Alternative< Lazy<Any> >		any;
+	Alternative< Lazy<Element, IS_A_BLOCK> >	element;
+	Alternative< Lazy<Group, IS_A_BLOCK> >		group;
+	Alternative< Lazy<Choice> >					choice;
+	Alternative< Lazy<Sequence, IS_A_BLOCK> >	sequence;
+	Alternative< Lazy<Any> >					any;
 };
 
 struct GroupContents : public LLInitParam::ChoiceBlock<GroupContents, Occurs>
@@ -247,7 +244,7 @@ struct ComplexType : public LLInitParam::Block<ComplexType, ComplexTypeContents>
 	Optional<bool>					mixed;
 
 	Multiple<Attribute>				attribute;
-	Multiple< Lazy<Element> >			elements;
+	Multiple< Lazy<Element, IS_A_BLOCK > >			elements;
 
 	ComplexType()
 	:	name("name"),
@@ -313,7 +310,6 @@ public:
 			setNameSpace(ns);
 		};
 	}
-
 };
 
 //
@@ -625,7 +621,7 @@ void LLXUIXSDWriter::writeXSD(const std::string& type_name, const std::string& p
 			nodep->createChild("schemaLocation", true)->setStringValue(widget_name + ".xsd");
 			
 			// add to front of schema
-			mSchemaNode->addChild(nodep, mSchemaNode);
+			mSchemaNode->addChild(nodep);
 		}
 
 		for (widget_registry_t::Registrar::registry_map_t::const_iterator it = widget_registryp->currentRegistrar().beginItems();
@@ -670,6 +666,7 @@ LLXUIParser::LLXUIParser()
 		registerParserFuncs<S32>(readS32Value, writeS32Value);
 		registerParserFuncs<F32>(readF32Value, writeF32Value);
 		registerParserFuncs<F64>(readF64Value, writeF64Value);
+		registerParserFuncs<LLVector3>(readVector3Value, writeVector3Value);
 		registerParserFuncs<LLColor4>(readColor4Value, writeColor4Value);
 		registerParserFuncs<LLUIColor>(readUIColorValue, writeUIColorValue);
 		registerParserFuncs<LLUUID>(readUUIDValue, writeUUIDValue);
@@ -880,16 +877,24 @@ LLXMLNodePtr LLXUIParser::getNode(name_stack_t& stack)
 		it = next_it)
 	{
 		++next_it;
+		bool force_new_node = false;
+
 		if (it->first.empty())
 		{
 			it->second = false;
 			continue;
 		}
 
+		if (next_it != stack.end() && next_it->first.empty() && next_it->second)
+		{
+			force_new_node = true;
+		}
+
+
 		out_nodes_t::iterator found_it = mOutNodes.find(it->first);
 
 		// node with this name not yet written
-		if (found_it == mOutNodes.end() || it->second)
+		if (found_it == mOutNodes.end() || it->second || force_new_node)
 		{
 			// make an attribute if we are the last element on the name stack
 			bool is_attribute = next_it == stack.end();
@@ -1144,6 +1149,31 @@ bool LLXUIParser::writeF64Value(Parser& parser, const void* val_ptr, name_stack_
 	return false;
 }
 
+bool LLXUIParser::readVector3Value(Parser& parser, void* val_ptr)
+{
+	LLXUIParser& self = static_cast<LLXUIParser&>(parser);
+	LLVector3* vecp = (LLVector3*)val_ptr;
+	if(self.mCurReadNode->getFloatValue(3, vecp->mV) >= 3)
+	{
+		return true;
+	}
+
+	return false;
+}
+
+bool LLXUIParser::writeVector3Value(Parser& parser, const void* val_ptr, name_stack_t& stack)
+{
+	LLXUIParser& self = static_cast<LLXUIParser&>(parser);
+	LLXMLNodePtr node = self.getNode(stack);
+	if (node.notNull())
+	{
+		LLVector3 vector = *((LLVector3*)val_ptr);
+		node->setFloatValue(3, vector.mV);
+		return true;
+	}
+	return false;
+}
+
 bool LLXUIParser::readColor4Value(Parser& parser, void* val_ptr)
 {
 	LLXUIParser& self = static_cast<LLXUIParser&>(parser);
diff --git a/indra/llui/llxuiparser.h b/indra/llui/llxuiparser.h
index d7cd256967..e48663e5cc 100644
--- a/indra/llui/llxuiparser.h
+++ b/indra/llui/llxuiparser.h
@@ -127,6 +127,7 @@ private:
 	static bool readS32Value(Parser& parser, void* val_ptr);
 	static bool readF32Value(Parser& parser, void* val_ptr);
 	static bool readF64Value(Parser& parser, void* val_ptr);
+	static bool readVector3Value(Parser& parser, void* val_ptr);
 	static bool readColor4Value(Parser& parser, void* val_ptr);
 	static bool readUIColorValue(Parser& parser, void* val_ptr);
 	static bool readUUIDValue(Parser& parser, void* val_ptr);
@@ -144,6 +145,7 @@ private:
 	static bool writeS32Value(Parser& parser, const void* val_ptr, name_stack_t&);
 	static bool writeF32Value(Parser& parser, const void* val_ptr, name_stack_t&);
 	static bool writeF64Value(Parser& parser, const void* val_ptr, name_stack_t&);
+	static bool writeVector3Value(Parser& parser, const void* val_ptr, name_stack_t&);
 	static bool writeColor4Value(Parser& parser, const void* val_ptr, name_stack_t&);
 	static bool writeUIColorValue(Parser& parser, const void* val_ptr, name_stack_t&);
 	static bool writeUUIDValue(Parser& parser, const void* val_ptr, name_stack_t&);
diff --git a/indra/llui/tests/llurlentry_stub.cpp b/indra/llui/tests/llurlentry_stub.cpp
index 74ed72ef97..5d3f9ac327 100644
--- a/indra/llui/tests/llurlentry_stub.cpp
+++ b/indra/llui/tests/llurlentry_stub.cpp
@@ -46,11 +46,6 @@ LLAvatarNameCache::callback_connection_t LLAvatarNameCache::get(const LLUUID& ag
 	return connection;
 }
 
-bool LLAvatarNameCache::useDisplayNames()
-{
-	return false;
-}
-
 //
 // Stub implementation for LLCacheName
 //
@@ -106,14 +101,14 @@ LLStyle::Params::Params()
 
 namespace LLInitParam
 {
-	ParamValue<LLUIColor, TypeValues<LLUIColor> >::ParamValue(const LLUIColor& color)
+	ParamValue<LLUIColor>::ParamValue(const LLUIColor& color)
 	:	super_t(color)
 	{}
 
-	void ParamValue<LLUIColor, TypeValues<LLUIColor> >::updateValueFromBlock() 
+	void ParamValue<LLUIColor>::updateValueFromBlock() 
 	{}
 	
-	void ParamValue<LLUIColor, TypeValues<LLUIColor> >::updateBlockFromValue(bool)
+	void ParamValue<LLUIColor>::updateBlockFromValue(bool)
 	{}
 
 	bool ParamCompare<const LLFontGL*, false>::equals(const LLFontGL* a, const LLFontGL* b)
@@ -121,14 +116,14 @@ namespace LLInitParam
 		return false;
 	}
 
-	ParamValue<const LLFontGL*, TypeValues<const LLFontGL*> >::ParamValue(const LLFontGL* fontp)
+	ParamValue<const LLFontGL*>::ParamValue(const LLFontGL* fontp)
 	:	super_t(fontp)
 	{}
 
-	void ParamValue<const LLFontGL*, TypeValues<const LLFontGL*> >::updateValueFromBlock()
+	void ParamValue<const LLFontGL*>::updateValueFromBlock()
 	{}
 	
-	void ParamValue<const LLFontGL*, TypeValues<const LLFontGL*> >::updateBlockFromValue(bool)
+	void ParamValue<const LLFontGL*>::updateBlockFromValue(bool)
 	{}
 
 	void TypeValues<LLFontGL::HAlign>::declareValues()
@@ -140,10 +135,10 @@ namespace LLInitParam
 	void TypeValues<LLFontGL::ShadowType>::declareValues()
 	{}
 
-	void ParamValue<LLUIImage*, TypeValues<LLUIImage*> >::updateValueFromBlock()
+	void ParamValue<LLUIImage*>::updateValueFromBlock()
 	{}
 	
-	void ParamValue<LLUIImage*, TypeValues<LLUIImage*> >::updateBlockFromValue(bool)
+	void ParamValue<LLUIImage*>::updateBlockFromValue(bool)
 	{}
 
 	
diff --git a/indra/llui/tests/llurlmatch_test.cpp b/indra/llui/tests/llurlmatch_test.cpp
index 963473c92a..109d3ca7bb 100644
--- a/indra/llui/tests/llurlmatch_test.cpp
+++ b/indra/llui/tests/llurlmatch_test.cpp
@@ -63,14 +63,14 @@ S32 LLUIImage::getHeight() const
 
 namespace LLInitParam
 {
-	ParamValue<LLUIColor, TypeValues<LLUIColor> >::ParamValue(const LLUIColor& color)
+	ParamValue<LLUIColor>::ParamValue(const LLUIColor& color)
 	:	super_t(color)
 	{}
 
-	void ParamValue<LLUIColor, TypeValues<LLUIColor> >::updateValueFromBlock()
+	void ParamValue<LLUIColor>::updateValueFromBlock()
 	{}
 	
-	void ParamValue<LLUIColor, TypeValues<LLUIColor> >::updateBlockFromValue(bool)
+	void ParamValue<LLUIColor>::updateBlockFromValue(bool)
 	{}
 
 	bool ParamCompare<const LLFontGL*, false>::equals(const LLFontGL* a, const LLFontGL* b)
@@ -79,14 +79,14 @@ namespace LLInitParam
 	}
 
 
-	ParamValue<const LLFontGL*, TypeValues<const LLFontGL*> >::ParamValue(const LLFontGL* fontp)
+	ParamValue<const LLFontGL*>::ParamValue(const LLFontGL* fontp)
 	:	super_t(fontp)
 	{}
 
-	void ParamValue<const LLFontGL*, TypeValues<const LLFontGL*> >::updateValueFromBlock()
+	void ParamValue<const LLFontGL*>::updateValueFromBlock()
 	{}
 	
-	void ParamValue<const LLFontGL*, TypeValues<const LLFontGL*> >::updateBlockFromValue(bool)
+	void ParamValue<const LLFontGL*>::updateBlockFromValue(bool)
 	{}
 
 	void TypeValues<LLFontGL::HAlign>::declareValues()
@@ -98,10 +98,10 @@ namespace LLInitParam
 	void TypeValues<LLFontGL::ShadowType>::declareValues()
 	{}
 
-	void ParamValue<LLUIImage*, TypeValues<LLUIImage*> >::updateValueFromBlock()
+	void ParamValue<LLUIImage*>::updateValueFromBlock()
 	{}
 	
-	void ParamValue<LLUIImage*, TypeValues<LLUIImage*> >::updateBlockFromValue(bool)
+	void ParamValue<LLUIImage*>::updateBlockFromValue(bool)
 	{}
 	
 	bool ParamCompare<LLUIImage*, false>::equals(
diff --git a/indra/llxml/llxmlnode.cpp b/indra/llxml/llxmlnode.cpp
index b775249219..7aa2ce9606 100644
--- a/indra/llxml/llxmlnode.cpp
+++ b/indra/llxml/llxmlnode.cpp
@@ -147,13 +147,15 @@ LLXMLNodePtr LLXMLNode::deepCopy()
 		for (LLXMLChildList::iterator iter = mChildren->map.begin();
 			 iter != mChildren->map.end(); ++iter)	
 		{
-			newnode->addChild(iter->second->deepCopy());
+			LLXMLNodePtr temp_ptr_for_gcc(iter->second->deepCopy());
+			newnode->addChild(temp_ptr_for_gcc);
 		}
 	}
 	for (LLXMLAttribList::iterator iter = mAttributes.begin();
 		 iter != mAttributes.end(); ++iter)
 	{
-		newnode->addChild(iter->second->deepCopy());
+		LLXMLNodePtr temp_ptr_for_gcc(iter->second->deepCopy());
+		newnode->addChild(temp_ptr_for_gcc);
 	}
 
 	return newnode;
@@ -259,7 +261,7 @@ BOOL LLXMLNode::removeChild(LLXMLNode *target_child)
 	return FALSE;
 }
 
-void LLXMLNode::addChild(LLXMLNodePtr new_child, LLXMLNodePtr after_child)
+void LLXMLNode::addChild(LLXMLNodePtr& new_child)
 {
 	if (new_child->mParent != NULL)
 	{
@@ -273,6 +275,11 @@ void LLXMLNode::addChild(LLXMLNodePtr new_child, LLXMLNodePtr after_child)
 	new_child->mParent = this;
 	if (new_child->mIsAttribute)
 	{
+		LLXMLAttribList::iterator found_it = mAttributes.find(new_child->mName);
+		if (found_it != mAttributes.end())
+		{
+			removeChild(found_it->second);
+		}
 		mAttributes.insert(std::make_pair(new_child->mName, new_child));
 	}
 	else
@@ -285,49 +292,11 @@ void LLXMLNode::addChild(LLXMLNodePtr new_child, LLXMLNodePtr after_child)
 		}
 		mChildren->map.insert(std::make_pair(new_child->mName, new_child));
 
-		// if after_child is specified, it damn well better be in the list of children
-		// for this node. I'm not going to assert that, because it would be expensive,
-		// but don't specify that parameter if you didn't get the value for it from the
-		// list of children of this node!
-		if (after_child.isNull())
-		{
-			if (mChildren->tail != new_child)
-			{
-				mChildren->tail->mNext = new_child;
-				new_child->mPrev = mChildren->tail;
-				mChildren->tail = new_child;
-			}
-		}
-		// if after_child == parent, then put new_child at beginning
-		else if (after_child == this)
-		{
-			// add to front of list
-			new_child->mNext = mChildren->head;
-			if (mChildren->head)
-			{
-				mChildren->head->mPrev = new_child;
-				mChildren->head = new_child;
-			}
-			else // no children
-			{
-				mChildren->head = new_child;
-				mChildren->tail = new_child;
-			}
-		}
-		else
+		if (mChildren->tail != new_child)
 		{
-			if (after_child->mNext.notNull())
-			{
-				// if after_child was not the last item, fix up some pointers
-				after_child->mNext->mPrev = new_child;
-				new_child->mNext = after_child->mNext;
-			}
-			new_child->mPrev = after_child;
-			after_child->mNext = new_child;
-			if (mChildren->tail == after_child)
-			{
-				mChildren->tail = new_child;
-			}
+			mChildren->tail->mNext = new_child;
+			new_child->mPrev = mChildren->tail;
+			mChildren->tail = new_child;
 		}
 	}
 
@@ -343,8 +312,9 @@ LLXMLNodePtr LLXMLNode::createChild(const char* name, BOOL is_attribute)
 // virtual 
 LLXMLNodePtr LLXMLNode::createChild(LLStringTableEntry* name, BOOL is_attribute)
 {
-	LLXMLNode* ret = new LLXMLNode(name, is_attribute);
+	LLXMLNodePtr ret(new LLXMLNode(name, is_attribute));
 	ret->mID.clear();
+	
 	addChild(ret);
 	return ret;
 }
@@ -358,11 +328,12 @@ BOOL LLXMLNode::deleteChild(LLXMLNode *child)
 	return FALSE;
 }
 
-void LLXMLNode::setParent(LLXMLNodePtr new_parent)
+void LLXMLNode::setParent(LLXMLNodePtr& new_parent)
 {
 	if (new_parent.notNull())
 	{
-		new_parent->addChild(this);
+		LLXMLNodePtr this_ptr(this);
+		new_parent->addChild(this_ptr);
 	}
 	else
 	{
@@ -681,27 +652,6 @@ bool LLXMLNode::updateNode(
 	return TRUE;
 }
 
-
-// static 
-LLXMLNodePtr LLXMLNode::replaceNode(LLXMLNodePtr node, LLXMLNodePtr update_node)
-{	
-	if (!node || !update_node)
-	{
-		llwarns << "Node invalid" << llendl;
-		return node;
-	}
-	
-	LLXMLNodePtr cloned_node = update_node->deepCopy();
-	node->mParent->addChild(cloned_node, node);	// add after node
-	LLXMLNodePtr parent = node->mParent;
-	parent->removeChild(node);
-	parent->updateDefault();
-	
-	return cloned_node;
-}
-
-
-
 // static
 bool LLXMLNode::parseFile(const std::string& filename, LLXMLNodePtr& node, LLXMLNode* defaults_tree)
 {
@@ -1199,7 +1149,8 @@ void LLXMLNode::scrubToTree(LLXMLNode *tree)
 		std::vector<LLXMLNodePtr>::iterator itor3;
 		for (itor3=to_delete_list.begin(); itor3!=to_delete_list.end(); ++itor3)
 		{
-			(*itor3)->setParent(NULL);
+			LLXMLNodePtr ptr;
+			(*itor3)->setParent(ptr);
 		}
 	}
 }
@@ -2734,7 +2685,8 @@ void LLXMLNode::setName(LLStringTableEntry* name)
 	mName = name;
 	if (old_parent)
 	{
-		old_parent->addChild(this);
+		LLXMLNodePtr this_ptr(this);
+		old_parent->addChild(this_ptr);
 	}
 }
 
diff --git a/indra/llxml/llxmlnode.h b/indra/llxml/llxmlnode.h
index e3da7169e7..ec486d7957 100644
--- a/indra/llxml/llxmlnode.h
+++ b/indra/llxml/llxmlnode.h
@@ -127,8 +127,8 @@ public:
 	BOOL isNull();
 
 	BOOL deleteChild(LLXMLNode* child);
-    void addChild(LLXMLNodePtr new_child, LLXMLNodePtr after_child = LLXMLNodePtr(NULL)); 
-    void setParent(LLXMLNodePtr new_parent); // reparent if necessary
+    void addChild(LLXMLNodePtr& new_child); 
+    void setParent(LLXMLNodePtr& new_parent); // reparent if necessary
 
     // Serialization
 	static bool parseFile(
@@ -147,7 +147,6 @@ public:
 	static bool updateNode(
 		LLXMLNodePtr& node,
 		LLXMLNodePtr& update_node);
-	static LLXMLNodePtr replaceNode(LLXMLNodePtr node, LLXMLNodePtr replacement_node);
 	
 	static bool getLayeredXMLNode(LLXMLNodePtr& root, const std::vector<std::string>& paths);
 	
diff --git a/indra/newview/CMakeLists.txt b/indra/newview/CMakeLists.txt
index dff2c04fbc..d40537fc78 100755
--- a/indra/newview/CMakeLists.txt
+++ b/indra/newview/CMakeLists.txt
@@ -113,12 +113,13 @@ set(viewer_SOURCE_FILES
     llavatarlist.cpp
     llavatarlistitem.cpp
     llavatarpropertiesprocessor.cpp
+    llblockedlistitem.cpp
+    llblocklist.cpp
     llbox.cpp
     llbreadcrumbview.cpp
     llbrowsernotification.cpp
     llbuycurrencyhtml.cpp
     llcallbacklist.cpp
-    llcallfloater.cpp
     llcallingcard.cpp
     llcapabilitylistener.cpp
     llcaphttpsender.cpp
@@ -136,8 +137,14 @@ set(viewer_SOURCE_FILES
     llcommanddispatcherlistener.cpp
     llcommandhandler.cpp
     llcommandlineparser.cpp
+    llcommunicationchannel.cpp
     llcompilequeue.cpp
     llconfirmationmanager.cpp
+    llconversationlog.cpp
+    llconversationloglist.cpp
+    llconversationloglistitem.cpp
+    llconversationmodel.cpp
+    llconversationview.cpp
     llcurrencyuimanager.cpp
     llcylinder.cpp
     lldateutil.cpp
@@ -146,6 +153,7 @@ set(viewer_SOURCE_FILES
     lldebugview.cpp
     lldelayedgestureerror.cpp
     lldirpicker.cpp
+    lldonotdisturbnotificationstorage.cpp
     lldndbutton.cpp
     lldrawable.cpp
     lldrawpool.cpp
@@ -193,7 +201,10 @@ set(viewer_SOURCE_FILES
     llfloaterbuycurrencyhtml.cpp
     llfloaterbuyland.cpp
     llfloatercamera.cpp
+    llfloaterchatvoicevolume.cpp
     llfloatercolorpicker.cpp
+    llfloaterconversationlog.cpp
+    llfloaterconversationpreview.cpp
     llfloaterdeleteenvpreset.cpp
     llfloaterdestinations.cpp
     llfloaterdisplayname.cpp
@@ -261,13 +272,13 @@ set(viewer_SOURCE_FILES
     llfloateruipreview.cpp
     llfloaterurlentry.cpp
     llfloatervoiceeffect.cpp
+    llfloatervoicevolume.cpp
     llfloaterwebcontent.cpp
     llfloaterwebprofile.cpp
     llfloaterwhitelistentry.cpp
     llfloaterwindowsize.cpp
     llfloaterworldmap.cpp
-    llfolderview.cpp
-    llfolderviewitem.cpp
+    llfolderviewmodelinventory.cpp
     llfollowcam.cpp
     llfriendcard.cpp
     llgesturelistener.cpp
@@ -293,8 +304,9 @@ set(viewer_SOURCE_FILES
     llhudrender.cpp
     llhudtext.cpp
     llhudview.cpp
-    llimfloater.cpp
-    llimfloatercontainer.cpp
+    llfloaterimsessiontab.cpp
+    llfloaterimsession.cpp
+    llfloaterimcontainer.cpp
     llimhandler.cpp
     llimview.cpp
     llinspect.cpp
@@ -347,10 +359,9 @@ set(viewer_SOURCE_FILES
     llnameeditor.cpp
     llnamelistctrl.cpp
     llnavigationbar.cpp
-    llnearbychat.cpp
-    llnearbychatbar.cpp
-    llnearbychathandler.cpp
-    llnearbychatbarlistener.cpp
+    llfloaterimnearbychat.cpp
+    llfloaterimnearbychathandler.cpp
+    llfloaterimnearbychatlistener.cpp
     llnetmap.cpp
     llnotificationalerthandler.cpp
     llnotificationgrouphandler.cpp
@@ -380,7 +391,6 @@ set(viewer_SOURCE_FILES
     llpanelgroupnotices.cpp
     llpanelgrouproles.cpp
     llpanelhome.cpp
-    llpanelimcontrolpanel.cpp
     llpanelland.cpp
     llpanellandaudio.cpp
     llpanellandmarkinfo.cpp
@@ -391,7 +401,6 @@ set(viewer_SOURCE_FILES
     llpanelmaininventory.cpp
     llpanelmarketplaceinbox.cpp
     llpanelmarketplaceinboxinventory.cpp
-    llpanelmarketplaceoutboxinventory.cpp
     llpanelmediasettingsgeneral.cpp
     llpanelmediasettingspermissions.cpp
     llpanelmediasettingssecurity.cpp
@@ -441,10 +450,12 @@ set(viewer_SOURCE_FILES
     llpathfindingobject.cpp
     llpathfindingobjectlist.cpp
     llpathfindingpathtool.cpp
+    llpersistentnotificationstorage.cpp
     llphysicsmotion.cpp
     llphysicsshapebuilderutil.cpp
     llplacesinventorybridge.cpp
     llplacesinventorypanel.cpp
+    llplacesfolderview.cpp
     llpopupview.cpp
     llpolymesh.cpp
     llpolymorph.cpp
@@ -690,11 +701,12 @@ set(viewer_HEADER_FILES
     llavatarlist.h
     llavatarlistitem.h
     llavatarpropertiesprocessor.h
+    llblockedlistitem.h
+    llblocklist.h
     llbox.h
     llbreadcrumbview.h
     llbuycurrencyhtml.h
     llcallbacklist.h
-    llcallfloater.h
     llcallingcard.h
     llcapabilitylistener.h
     llcapabilityprovider.h
@@ -713,8 +725,14 @@ set(viewer_HEADER_FILES
     llcommanddispatcherlistener.h
     llcommandhandler.h
     llcommandlineparser.h
+    llcommunicationchannel.h
     llcompilequeue.h
     llconfirmationmanager.h
+    llconversationlog.h
+    llconversationloglist.h
+    llconversationloglistitem.h
+    llconversationmodel.h
+    llconversationview.h
     llcurrencyuimanager.h
     llcylinder.h
     lldateutil.h
@@ -723,6 +741,7 @@ set(viewer_HEADER_FILES
     lldebugview.h
     lldelayedgestureerror.h
     lldirpicker.h
+    lldonotdisturbnotificationstorage.h
     lldndbutton.h
     lldrawable.h
     lldrawpool.h
@@ -770,7 +789,10 @@ set(viewer_HEADER_FILES
     llfloaterbuycurrencyhtml.h
     llfloaterbuyland.h
     llfloatercamera.h
+    llfloaterchatvoicevolume.h
     llfloatercolorpicker.h
+    llfloaterconversationlog.h
+    llfloaterconversationpreview.h
     llfloaterdeleteenvpreset.h
     llfloaterdestinations.h
     llfloaterdisplayname.h
@@ -838,14 +860,13 @@ set(viewer_HEADER_FILES
     llfloateruipreview.h
     llfloaterurlentry.h
     llfloatervoiceeffect.h
+    llfloatervoicevolume.h
     llfloaterwebcontent.h
     llfloaterwebprofile.h
     llfloaterwhitelistentry.h
     llfloaterwindowsize.h
     llfloaterworldmap.h
-    llfolderview.h
-    llfoldervieweventlistener.h
-    llfolderviewitem.h
+    llfolderviewmodelinventory.h
     llfollowcam.h
     llfriendcard.h
     llgesturelistener.h
@@ -870,8 +891,9 @@ set(viewer_HEADER_FILES
     llhudrender.h
     llhudtext.h
     llhudview.h
-    llimfloater.h
-    llimfloatercontainer.h
+    llfloaterimsessiontab.h
+    llfloaterimsession.h
+    llfloaterimcontainer.h
     llimview.h
     llinspect.h
     llinspectavatar.h
@@ -924,10 +946,9 @@ set(viewer_HEADER_FILES
     llnameeditor.h
     llnamelistctrl.h
     llnavigationbar.h
-    llnearbychat.h
-    llnearbychatbar.h
-    llnearbychathandler.h
-    llnearbychatbarlistener.h
+    llfloaterimnearbychat.h
+    llfloaterimnearbychathandler.h
+    llfloaterimnearbychatlistener.h
     llnetmap.h
     llnotificationhandler.h
     llnotificationmanager.h
@@ -951,7 +972,6 @@ set(viewer_HEADER_FILES
     llpanelgroupnotices.h
     llpanelgrouproles.h
     llpanelhome.h
-    llpanelimcontrolpanel.h
     llpanelland.h
     llpanellandaudio.h
     llpanellandmarkinfo.h
@@ -962,7 +982,6 @@ set(viewer_HEADER_FILES
     llpanelmaininventory.h
     llpanelmarketplaceinbox.h
     llpanelmarketplaceinboxinventory.h
-    llpanelmarketplaceoutboxinventory.h
     llpanelmediasettingsgeneral.h
     llpanelmediasettingspermissions.h
     llpanelmediasettingssecurity.h
@@ -1007,10 +1026,12 @@ set(viewer_HEADER_FILES
     llpathfindingobject.h
     llpathfindingobjectlist.h
     llpathfindingpathtool.h
+    llpersistentnotificationstorage.h
     llphysicsmotion.h
     llphysicsshapebuilderutil.h
     llplacesinventorybridge.h
     llplacesinventorypanel.h
+    llplacesfolderview.h
     llpolymesh.h
     llpolymorph.h
     llpopupview.h
diff --git a/indra/newview/app_settings/commands.xml b/indra/newview/app_settings/commands.xml
index 73df064ab2..4659673333 100644
--- a/indra/newview/app_settings/commands.xml
+++ b/indra/newview/app_settings/commands.xml
@@ -44,13 +44,14 @@
            />
   <command name="chat"
            available_in_toybox="true"
+		   is_flashing_allowed="true"
            icon="Command_Chat_Icon"
            label_ref="Command_Chat_Label"
-           tooltip_ref="Command_Chat_Tooltip"
+           tooltip_ref="Command_Conversations_Tooltip"
            execute_function="Floater.ToggleOrBringToFront"
-           execute_parameters="chat_bar"
+           execute_parameters="im_container"
            is_running_function="Floater.IsOpen"
-           is_running_parameters="chat_bar"
+           is_running_parameters="im_container"
            />
   <command name="compass"
            available_in_toybox="false"
@@ -239,14 +240,4 @@
            is_running_function="Floater.IsOpen"
            is_running_parameters="camera"
            />
-  <command name="voice"
-           available_in_toybox="true"
-           icon="Command_Voice_Icon"
-           label_ref="Command_Voice_Label"
-           tooltip_ref="Command_Voice_Tooltip"
-           execute_function="Floater.ToggleOrBringToFront"
-           execute_parameters="voice_controls"
-           is_running_function="Floater.IsOpen"
-           is_running_parameters="voice_controls"
-           />
 </commands>
diff --git a/indra/newview/app_settings/settings.xml b/indra/newview/app_settings/settings.xml
index 7deb1284b9..126df69519 100755
--- a/indra/newview/app_settings/settings.xml
+++ b/indra/newview/app_settings/settings.xml
@@ -2,6 +2,28 @@
 <llsd xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xsi:noNamespaceSchemaLocation="llsd.xsd">
 <map>
+    <key>IMShowTime</key>
+    <map>
+      <key>Comment</key>
+      <string>Enable(disable) timestamp showing in the chat.</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>Boolean</string>
+      <key>Value</key>
+      <integer>1</integer>
+    </map>
+    <key>IMShowNamesForP2PConv</key>
+    <map>
+      <key>Comment</key>
+      <string>Enable(disable) showing of a names in the chat.</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>Boolean</string>
+      <key>Value</key>
+      <integer>1</integer>
+    </map>
 	<key>CrashHostUrl</key>
     <map>
       <key>Comment</key>
@@ -47,7 +69,7 @@
       <key>Type</key>
       <string>F32</string>
       <key>Value</key>
-      <real>0.95</real>
+      <real>1</real>
     </map>
     <key>AdvanceSnapshot</key>
     <map>
@@ -1595,17 +1617,6 @@
       <key>Value</key>
       <integer>1</integer>
     </map>
-    <key>ChatWindow</key>
-    <map>
-      <key>Comment</key>
-      <string>Show chat in multiple windows(by default) or in one multi-tabbed window(requires restart)</string>
-      <key>Persist</key>
-      <integer>1</integer>
-      <key>Type</key>
-      <string>S32</string>
-      <key>Value</key>
-      <integer>0</integer>
-    </map>
     <key>CheesyBeacon</key>
     <map>
       <key>Comment</key>
@@ -1628,6 +1639,72 @@
       <key>Value</key>
       <string />
     </map>
+    <key>ContextConeInAlpha</key>
+    <map>
+      <key>Comment</key>
+      <string>Cone In Alpha</string>
+      <key>Persist</key>
+      <integer>0</integer>
+      <key>Type</key>
+      <string>F32</string>
+      <key>Value</key>
+      <real>0.0</real>
+    </map>
+    <key>ContextConeOutAlpha</key>
+    <map>
+      <key>Comment</key>
+      <string>Cone Out Alpha</string>
+      <key>Persist</key>
+      <integer>0</integer>
+      <key>Type</key>
+      <string>F32</string>
+      <key>Value</key>
+      <real>1.0</real>
+    </map>
+    <key>ContextConeFadeTime</key>
+    <map>
+      <key>Comment</key>
+      <string>Cone Fade Time</string>
+      <key>Persist</key>
+      <integer>0</integer>
+      <key>Type</key>
+      <string>F32</string>
+      <key>Value</key>
+      <real>.08</real>
+    </map>
+    <key>ConversationHistoryPageSize</key>
+    <map>
+      <key>Comment</key>
+      <string>Chat history of conversation opened from call log is displayed by pages. So this is number of entries per page.</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>S32</string>
+      <key>Value</key>
+      <integer>100</integer>
+    </map>
+    <key>ConversationSortOrder</key>
+    <map>
+      <key>Comment</key>
+      <string>Specifies sort key for conversations</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>U32</string>
+      <key>Value</key>
+      <integer>131073</integer>
+    </map>
+    <key>NearbyChatIsNotTornOff</key>
+    <map>
+      <key>Comment</key>
+      <string>saving torn-off state of the nearby chat between sessions</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>Boolean</string>
+      <key>Value</key>
+      <integer>1</integer>
+    </map>
     <key>CloseChatOnReturn</key>
     <map>
       <key>Comment</key>
@@ -4225,7 +4302,7 @@
       <key>Type</key>
       <string>F32</string>
       <key>Value</key>
-      <real>0.65</real>
+      <real>0.95</real>
     </map>
     <key>InBandwidth</key>
     <map>
@@ -4590,6 +4667,17 @@
       <key>Value</key>
       <integer>1</integer>
     </map>
+    <key>KeepConversationLogTranscripts</key>
+    <map>
+      <key>Comment</key>
+      <string>Keep a conversation log and transcripts</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>Boolean</string>
+      <key>Value</key>
+      <integer>1</integer>
+    </map>
     <key>LandBrushSize</key>
     <map>
       <key>Comment</key>
@@ -6208,6 +6296,61 @@
       <key>Value</key>
       <integer>305</integer>
     </map>
+    <key>NotificationConferenceIMOptions</key>
+    <map>
+      <key>Comment</key>
+      <string>Specifies how the UI responds to Conference IM Notifications.</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>String</string>
+      <key>Value</key>
+      <string>toast</string>
+    </map>  
+    <key>NotificationFriendIMOptions</key>
+    <map>
+      <key>Comment</key>
+      <string>Specifies how the UI responds to Friend IM Notifications.</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>String</string>
+      <key>Value</key>
+      <string>toast</string>
+    </map>
+    <key>NotificationGroupChatOptions</key>
+    <map>
+      <key>Comment</key>
+      <string>Specifies how the UI responds to Group Chat Notifications.</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>String</string>
+      <key>Value</key>
+      <string>toast</string>
+    </map>
+    <key>NotificationNearbyChatOptions</key>
+    <map>
+      <key>Comment</key>
+      <string>Specifies how the UI responds to Nearby Chat Notifications.</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>String</string>
+      <key>Value</key>
+      <string>toast</string>
+    </map>
+    <key>NotificationNonFriendIMOptions</key>
+    <map>
+      <key>Comment</key>
+      <string>Specifies how the UI responds to Non Friend IM Notifications.</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>String</string>
+      <key>Value</key>
+      <string>toast</string>
+    </map>  
     <key>NotificationToastLifeTime</key>
     <map>
       <key>Comment</key>
@@ -6724,6 +6867,50 @@
       <key>Value</key>
       <integer>1</integer>
     </map>
+    <key>PlaySoundIncomingVoiceCall</key>
+    <map>
+      <key>Comment</key>
+      <string>Plays a sound when have an incoming voice call.</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>Boolean</string>
+      <key>Value</key>
+      <integer>1</integer>
+    </map>
+    <key>PlaySoundInventoryOffer</key>
+    <map>
+      <key>Comment</key>
+      <string>Plays a sound when have an inventory offer.</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>Boolean</string>
+      <key>Value</key>
+      <integer>0</integer>
+    </map>  
+    <key>PlaySoundNewConversation</key>
+    <map>
+      <key>Comment</key>
+      <string>Plays a sound when have a new conversation.</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>Boolean</string>
+      <key>Value</key>
+      <integer>1</integer>
+    </map>
+    <key>PlaySoundTeleportOffer</key>
+    <map>
+      <key>Comment</key>
+      <string>Plays a sound when have a teleport offer.</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>Boolean</string>
+      <key>Value</key>
+      <integer>0</integer>
+    </map>
     <key>PluginAttachDebuggerToPlugins</key>
     <map>
       <key>Comment</key>
@@ -9835,7 +10022,7 @@
 	<key>ShowScriptErrorsLocation</key>
     <map>
       <key>Comment</key>
-      <string>Show script error in chat or window</string>
+      <string>Show script error in chat (0) or window (1).</string>
       <key>Persist</key>
       <integer>1</integer>
       <key>Type</key>
@@ -10019,6 +10206,39 @@
       <key>Value</key>
       <integer>2</integer>
     </map>
+    <key>BlockPeopleSortOrder</key>
+    <map>
+      <key>Comment</key>
+      <string>Specifies sort order for recent people (0 = by name, 1 = by type)</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>U32</string>
+      <key>Value</key>
+      <integer>2</integer>
+    </map>
+    <key>CallLogSortOrder</key>
+    <map>
+      <key>Comment</key>
+      <string>Specifies sort order for Call Log (0 = by name, 1 = by date)</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>U32</string>
+      <key>Value</key>
+      <integer>1</integer>
+    </map>
+    <key>SortFriendsFirst</key>
+    <map>
+      <key>Comment</key>
+      <string>Specifies whether friends will be sorted first in Call Log</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>Boolean</string>
+      <key>Value</key>
+      <integer>1</integer>
+    </map>
     <key>ShowPGSearchAll</key>    
     <map>
       <key>Comment</key>
@@ -12384,17 +12604,6 @@
       <key>Value</key>
       <string />
     </map>
-    <key>SpeakerParticipantDefaultOrder</key>
-    <map>
-      <key>Comment</key>
-      <string>Order for displaying speakers in voice controls.  0 = alphabetical. 1 = recent.</string>
-      <key>Persist</key>
-      <integer>1</integer>
-      <key>Type</key>
-      <string>U32</string>
-      <key>Value</key>
-      <integer>1</integer>
-    </map>
     <key>SpeakerParticipantRemoveDelay</key>
     <map>
       <key>Comment</key>
@@ -12439,6 +12648,17 @@
       <key>Value</key>
       <integer>1</integer>
     </map>
+  <key>UsePeopleAPI</key>
+  <map>
+    <key>Comment</key>
+    <string>Use the people API cap for avatar name fetching, use old legacy protocol if false. Requires restart.</string>
+    <key>Persist</key>
+    <integer>1</integer>
+    <key>Type</key>
+    <string>Boolean</string>
+    <key>Value</key>
+    <integer>1</integer>
+  </map>
     <key>UseStartScreen</key>
     <map>
       <key>Comment</key>
@@ -12933,10 +13153,10 @@
       <key>Value</key>
       <real>50.0</real>
     </map>
-    <key>WellIconFlashCount</key>
+    <key>FlashCount</key>
     <map>
       <key>Comment</key>
-      <string>Number of flashes of IM Well and Notification Well icons after which flashing buttons stay lit up. Requires restart.</string>
+      <string>Number of flashes of item. Requires restart.</string>
       <key>Persist</key>
       <integer>1</integer>
       <key>Type</key>
@@ -12944,16 +13164,16 @@
       <key>Value</key>
       <integer>3</integer>
     </map>
-    <key>WellIconFlashPeriod</key>
+    <key>FlashPeriod</key>
     <map>
       <key>Comment</key>
-      <string>Period at which IM Well and Notification Well icons flash (seconds). Requires restart.</string>
+      <string>Period at which item flash (seconds). Requires restart.</string>
       <key>Persist</key>
       <integer>1</integer>
       <key>Type</key>
       <string>F32</string>
       <key>Value</key>
-      <real>0.25</real>
+      <real>0.5</real>
     </map>
     <key>WindLightUseAtmosShaders</key>
     <map>
diff --git a/indra/newview/app_settings/settings_per_account.xml b/indra/newview/app_settings/settings_per_account.xml
index 143126b334..4ff494fbfb 100644
--- a/indra/newview/app_settings/settings_per_account.xml
+++ b/indra/newview/app_settings/settings_per_account.xml
@@ -1,9 +1,9 @@
 <llsd>
     <map>
-    <key>BusyResponseChanged</key>
+    <key>DoNotDisturbResponseChanged</key>
         <map>
         <key>Comment</key>
-            <string>Does user's busy mode message differ from default?</string>
+            <string>Does user's do not disturb mode message differ from default?</string>
         <key>Persist</key>
             <integer>1</integer>
         <key>Type</key>
@@ -11,17 +11,72 @@
         <key>Value</key>
             <integer>0</integer>
         </map>
-    <key>BusyModeResponse</key>
+    <key>DoNotDisturbModeResponse</key>
         <map>
         <key>Comment</key>
-            <string>Auto response to instant messages while in busy mode.</string>
+            <string>Auto response to instant messages while in do not disturb mode.</string>
         <key>Persist</key>
             <integer>1</integer>
         <key>Type</key>
             <string>String</string>
         <key>Value</key>
-            <string>The Resident you messaged is in &apos;busy mode&apos; which means they have requested not to be disturbed.  Your message will still be shown in their IM panel for later viewing.</string>
+            <string>This resident has turned on &apos;Do Not Disturb&apos; and will see your message later.</string>
         </map>
+    <key>ConversationsExpandMessagePaneFirst</key>
+    <map>
+        <key>Comment</key>
+            <string>Expand either messages or conversations list pane from Conversations compact mode.</string>
+        <key>Persist</key>
+            <integer>1</integer>
+        <key>Type</key>
+            <string>Boolean</string>
+        <key>Value</key>
+            <integer>1</integer>
+    </map>
+    <key>ConversationsListPaneCollapsed</key>
+    <map>
+        <key>Comment</key>
+            <string>Stores the expanded/collapsed state of the conversations list pane in Conversations floater.</string>
+        <key>Persist</key>
+            <integer>1</integer>
+        <key>Type</key>
+            <string>Boolean</string>
+        <key>Value</key>
+            <integer>0</integer>
+    </map>
+    <key>ConversationsListPaneWidth</key>
+    <map>
+        <key>Comment</key>
+            <string>Conversations floater list pane width.</string>
+        <key>Persist</key>
+            <integer>1</integer>
+        <key>Type</key>
+            <string>S32</string>
+        <key>Value</key>
+            <integer>205</integer>
+    </map>
+    <key>ConversationsMessagePaneCollapsed</key>
+    <map>
+        <key>Comment</key>
+            <string>Stores the expanded/collapsed state of Conversations floater message pane.</string>
+        <key>Persist</key>
+            <integer>1</integer>
+        <key>Type</key>
+            <string>Boolean</string>
+        <key>Value</key>
+            <integer>0</integer>
+    </map>
+    <key>ConversationsMessagePaneWidth</key>
+    <map>
+        <key>Comment</key>
+            <string>Conversations floater message pane width.</string>
+        <key>Persist</key>
+            <integer>1</integer>
+        <key>Type</key>
+            <string>S32</string>
+        <key>Value</key>
+            <integer>412</integer>
+    </map>
     <key>InstantMessageLogPath</key>
         <map>
         <key>Comment</key>
diff --git a/indra/newview/llagent.cpp b/indra/newview/llagent.cpp
index b6fd7bc9c2..d28af3eff9 100755
--- a/indra/newview/llagent.cpp
+++ b/indra/newview/llagent.cpp
@@ -41,6 +41,7 @@
 #include "llchannelmanager.h"
 #include "llchicletbar.h"
 #include "llconsole.h"
+#include "lldonotdisturbnotificationstorage.h"
 #include "llenvmanager.h"
 #include "llfirstuse.h"
 #include "llfloatercamera.h"
@@ -54,7 +55,7 @@
 #include "llmorphview.h"
 #include "llmoveview.h"
 #include "llnavigationbar.h" // to show/hide navigation bar when changing mouse look state
-#include "llnearbychatbar.h"
+#include "llfloaterimnearbychat.h"
 #include "llnotificationsutil.h"
 #include "llpaneltopinfobar.h"
 #include "llparcel.h"
@@ -375,7 +376,7 @@ LLAgent::LLAgent() :
 	mShowAvatar(TRUE),
 	mFrameAgent(),
 
-	mIsBusy(FALSE),
+	mIsDoNotDisturb(false),
 
 	mControlFlags(0x00000000),
 	mbFlagsDirty(FALSE),
@@ -1355,12 +1356,7 @@ void LLAgent::setAFK()
 	{
 		sendAnimationRequest(ANIM_AGENT_AWAY, ANIM_REQUEST_START);
 		setControlFlags(AGENT_CONTROL_AWAY | AGENT_CONTROL_STOP);
-		LL_INFOS("AFK") << "Setting Away" << LL_ENDL;
 		gAwayTimer.start();
-		if (gAFKMenu)
-		{
-			gAFKMenu->setLabel(LLTrans::getString("AvatarSetNotAway"));
-		}
 	}
 }
 
@@ -1379,11 +1375,6 @@ void LLAgent::clearAFK()
 	{
 		sendAnimationRequest(ANIM_AGENT_AWAY, ANIM_REQUEST_STOP);
 		clearControlFlags(AGENT_CONTROL_AWAY);
-		LL_INFOS("AFK") << "Clearing Away" << LL_ENDL;
-		if (gAFKMenu)
-		{
-			gAFKMenu->setLabel(LLTrans::getString("AvatarSetAway"));
-		}
 	}
 }
 
@@ -1396,39 +1387,26 @@ BOOL LLAgent::getAFK() const
 }
 
 //-----------------------------------------------------------------------------
-// setBusy()
-//-----------------------------------------------------------------------------
-void LLAgent::setBusy()
-{
-	sendAnimationRequest(ANIM_AGENT_BUSY, ANIM_REQUEST_START);
-	mIsBusy = TRUE;
-	if (gBusyMenu)
-	{
-		gBusyMenu->setLabel(LLTrans::getString("AvatarSetNotBusy"));
-	}
-	LLNotificationsUI::LLChannelManager::getInstance()->muteAllChannels(true);
-}
-
-//-----------------------------------------------------------------------------
-// clearBusy()
+// setDoNotDisturb()
 //-----------------------------------------------------------------------------
-void LLAgent::clearBusy()
+void LLAgent::setDoNotDisturb(bool pIsDoNotDisturb)
 {
-	mIsBusy = FALSE;
-	sendAnimationRequest(ANIM_AGENT_BUSY, ANIM_REQUEST_STOP);
-	if (gBusyMenu)
+	bool isDoNotDisturbSwitchedOff = (mIsDoNotDisturb && !pIsDoNotDisturb);
+	mIsDoNotDisturb = pIsDoNotDisturb;
+	sendAnimationRequest(ANIM_AGENT_DO_NOT_DISTURB, (pIsDoNotDisturb ? ANIM_REQUEST_START : ANIM_REQUEST_STOP));
+	LLNotificationsUI::LLChannelManager::getInstance()->muteAllChannels(pIsDoNotDisturb);
+	if (isDoNotDisturbSwitchedOff)
 	{
-		gBusyMenu->setLabel(LLTrans::getString("AvatarSetBusy"));
+		LLDoNotDisturbNotificationStorage::getInstance()->loadNotifications();
 	}
-	LLNotificationsUI::LLChannelManager::getInstance()->muteAllChannels(false);
 }
 
 //-----------------------------------------------------------------------------
-// getBusy()
+// isDoNotDisturb()
 //-----------------------------------------------------------------------------
-BOOL LLAgent::getBusy() const
+bool LLAgent::isDoNotDisturb() const
 {
-	return mIsBusy;
+	return mIsDoNotDisturb;
 }
 
 
@@ -1910,7 +1888,8 @@ void LLAgent::startTyping()
 	{
 		sendAnimationRequest(ANIM_AGENT_TYPE, ANIM_REQUEST_START);
 	}
-	LLNearbyChatBar::getInstance()->sendChatFromViewer("", CHAT_TYPE_START, FALSE);
+	(LLFloaterReg::getTypedInstance<LLFloaterIMNearbyChat>("nearby_chat"))->
+			sendChatFromViewer("", CHAT_TYPE_START, FALSE);
 }
 
 //-----------------------------------------------------------------------------
@@ -1922,7 +1901,8 @@ void LLAgent::stopTyping()
 	{
 		clearRenderState(AGENT_STATE_TYPING);
 		sendAnimationRequest(ANIM_AGENT_TYPE, ANIM_REQUEST_STOP);
-		LLNearbyChatBar::getInstance()->sendChatFromViewer("", CHAT_TYPE_STOP, FALSE);
+		(LLFloaterReg::getTypedInstance<LLFloaterIMNearbyChat>("nearby_chat"))->
+				sendChatFromViewer("", CHAT_TYPE_STOP, FALSE);
 	}
 }
 
@@ -2564,51 +2544,21 @@ void LLMaturityPreferencesResponder::error(U32 pStatus, const std::string& pReas
 
 U8 LLMaturityPreferencesResponder::parseMaturityFromServerResponse(const LLSD &pContent)
 {
-	// stinson 05/24/2012 Pathfinding regions have re-defined the response behavior.  In the old server code,
-	// if you attempted to change the preferred maturity to the same value, the response content would be an
-	// undefined LLSD block.  In the new server code with pathfinding, the response content should always be
-	// defined.  Thus, the check for isUndefined() can be replaced with an assert after pathfinding is merged
-	// into server trunk and fully deployed.
 	U8 maturity = SIM_ACCESS_MIN;
-	if (pContent.isUndefined())
-	{
-		maturity = mPreferredMaturity;
-	}
-	else
-	{
-		llassert(!pContent.isUndefined());
-		llassert(pContent.isMap());
-	
-		if (!pContent.isUndefined() && pContent.isMap())
-		{
-			// stinson 05/24/2012 Pathfinding regions have re-defined the response syntax.  The if statement catches
-			// the new syntax, and the else statement catches the old syntax.  After pathfinding is merged into
-			// server trunk and fully deployed, we can remove the else statement.
-			if (pContent.has("access_prefs"))
-			{
-				llassert(pContent.has("access_prefs"));
-				llassert(pContent.get("access_prefs").isMap());
-				llassert(pContent.get("access_prefs").has("max"));
-				llassert(pContent.get("access_prefs").get("max").isString());
-				if (pContent.get("access_prefs").isMap() && pContent.get("access_prefs").has("max") &&
-					pContent.get("access_prefs").get("max").isString())
-				{
-					LLSD::String actualPreference = pContent.get("access_prefs").get("max").asString();
-					LLStringUtil::trim(actualPreference);
-					maturity = LLViewerRegion::shortStringToAccess(actualPreference);
-				}
-			}
-			else if (pContent.has("max"))
-			{
-				llassert(pContent.get("max").isString());
-				if (pContent.get("max").isString())
-				{
-					LLSD::String actualPreference = pContent.get("max").asString();
-					LLStringUtil::trim(actualPreference);
-					maturity = LLViewerRegion::shortStringToAccess(actualPreference);
-				}
-			}
-		}
+
+	llassert(!pContent.isUndefined());
+	llassert(pContent.isMap());
+	llassert(pContent.has("access_prefs"));
+	llassert(pContent.get("access_prefs").isMap());
+	llassert(pContent.get("access_prefs").has("max"));
+	llassert(pContent.get("access_prefs").get("max").isString());
+	if (!pContent.isUndefined() && pContent.isMap() && pContent.has("access_prefs")
+		&& pContent.get("access_prefs").isMap() && pContent.get("access_prefs").has("max")
+		&& pContent.get("access_prefs").get("max").isString())
+	{
+		LLSD::String actualPreference = pContent.get("access_prefs").get("max").asString();
+		LLStringUtil::trim(actualPreference);
+		maturity = LLViewerRegion::shortStringToAccess(actualPreference);
 	}
 
 	return maturity;
diff --git a/indra/newview/llagent.h b/indra/newview/llagent.h
index 99904e118c..daa15b0c1a 100644
--- a/indra/newview/llagent.h
+++ b/indra/newview/llagent.h
@@ -378,14 +378,13 @@ public:
 	void			sitDown();
 
 	//--------------------------------------------------------------------
-	// Busy
+	// Do Not Disturb
 	//--------------------------------------------------------------------
 public:
-	void			setBusy();
-	void			clearBusy();
-	BOOL			getBusy() const;
+	void			setDoNotDisturb(bool pIsDoNotDisturb);
+	bool			isDoNotDisturb() const;
 private:
-	BOOL			mIsBusy;
+	bool			mIsDoNotDisturb;
 
 	//--------------------------------------------------------------------
 	// Grab
diff --git a/indra/newview/llagentwearablesfetch.cpp b/indra/newview/llagentwearablesfetch.cpp
index e2417cdddb..e31e39dca2 100644
--- a/indra/newview/llagentwearablesfetch.cpp
+++ b/indra/newview/llagentwearablesfetch.cpp
@@ -342,7 +342,7 @@ void LLLibraryOutfitsFetch::folderDone()
 	}
 
 	mClothingID = gInventory.findCategoryUUIDForType(LLFolderType::FT_CLOTHING);
-	mLibraryClothingID = gInventory.findCategoryUUIDForType(LLFolderType::FT_CLOTHING, false, true);
+	mLibraryClothingID = gInventory.findLibraryCategoryUUIDForType(LLFolderType::FT_CLOTHING, false);
 
 	// If Library->Clothing->Initial Outfits exists, use that.
 	LLNameCategoryCollector matchFolderFunctor("Initial Outfits");
diff --git a/indra/newview/llappearancemgr.cpp b/indra/newview/llappearancemgr.cpp
index 06a9892c7e..769b4eafe1 100644
--- a/indra/newview/llappearancemgr.cpp
+++ b/indra/newview/llappearancemgr.cpp
@@ -1603,8 +1603,6 @@ void LLAppearanceMgr::updateAgentWearables(LLWearableHoldingPattern* holder, boo
 	{
 		gAgentWearables.setWearableOutfit(items, wearables, !append);
 	}
-
-//	dec_busy_count();
 }
 
 static void remove_non_link_items(LLInventoryModel::item_array_t &items)
@@ -2005,7 +2003,6 @@ void LLAppearanceMgr::wearInventoryCategoryOnAvatar( LLInventoryCategory* catego
 void LLAppearanceMgr::wearOutfitByName(const std::string& name)
 {
 	LL_INFOS("Avatar") << self_av_string() << "Wearing category " << name << LL_ENDL;
-	//inc_busy_count();
 
 	LLInventoryModel::cat_array_t cat_array;
 	LLInventoryModel::item_array_t item_array;
@@ -2045,8 +2042,6 @@ void LLAppearanceMgr::wearOutfitByName(const std::string& name)
 		llwarns << "Couldn't find outfit " <<name<< " in wearOutfitByName()"
 				<< llendl;
 	}
-
-	//dec_busy_count();
 }
 
 bool areMatchingWearables(const LLViewerInventoryItem *a, const LLViewerInventoryItem *b)
@@ -2331,7 +2326,7 @@ void LLAppearanceMgr::copyLibraryGestures()
 
 	// Copy gestures
 	LLUUID lib_gesture_cat_id =
-		gInventory.findCategoryUUIDForType(LLFolderType::FT_GESTURE,false,true);
+		gInventory.findLibraryCategoryUUIDForType(LLFolderType::FT_GESTURE,false);
 	if (lib_gesture_cat_id.isNull())
 	{
 		llwarns << "Unable to copy gestures, source category not found" << llendl;
@@ -2968,7 +2963,6 @@ public:
 		{
 			llwarns << "Nothing fetched in category " << mComplete.front()
 					<< llendl;
-			//dec_busy_count();
 			gInventory.removeObserver(this);
 
 			// lets notify observers that loading is finished.
diff --git a/indra/newview/llappviewer.cpp b/indra/newview/llappviewer.cpp
index 30f82926f1..3c42734e6e 100644
--- a/indra/newview/llappviewer.cpp
+++ b/indra/newview/llappviewer.cpp
@@ -42,6 +42,7 @@
 #include "llagentcamera.h"
 #include "llagentlanguage.h"
 #include "llagentwearables.h"
+#include "llfloaterimcontainer.h"
 #include "llwindow.h"
 #include "llviewerstats.h"
 #include "llviewerstatsrecorder.h"
@@ -59,6 +60,7 @@
 #include "llares.h" 
 #include "llcurl.h"
 #include "llcalc.h"
+#include "llconversationlog.h"
 #include "lltexturestats.h"
 #include "lltexturestats.h"
 #include "llviewerwindow.h"
@@ -93,7 +95,6 @@
 #include "llweb.h"
 #include "llsecondlifeurls.h"
 #include "llupdaterservice.h"
-#include "llcallfloater.h"
 #include "llfloatertexturefetchdebugger.h"
 #include "llspellcheck.h"
 
@@ -1214,7 +1215,7 @@ bool LLAppViewer::mainLoop()
 
 	LLVoiceChannel::initClass();
 	LLVoiceClient::getInstance()->init(gServicePump);
-	LLVoiceChannel::setCurrentVoiceChannelChangedCallback(boost::bind(&LLCallFloater::sOnCurrentChannelChanged, _1), true);
+	LLVoiceChannel::setCurrentVoiceChannelChangedCallback(boost::bind(&LLFloaterIMContainer::onCurrentChannelChanged, _1), true);
 	LLTimer frameTimer,idleTimer;
 	LLTimer debugTime;
 	LLViewerJoystick* joystick(LLViewerJoystick::getInstance());
@@ -1843,6 +1844,9 @@ bool LLAppViewer::cleanup()
 	// save mute list. gMuteList used to also be deleted here too.
 	LLMuteList::getInstance()->cache(gAgent.getID());
 
+	//save call log list
+	LLConversationLog::instance().cache();
+
 	if (mPurgeOnExit)
 	{
 		llinfos << "Purging all cache files on exit" << llendflush;
diff --git a/indra/newview/llavataractions.cpp b/indra/newview/llavataractions.cpp
index fdd4565e50..83b2888ca8 100755
--- a/indra/newview/llavataractions.cpp
+++ b/indra/newview/llavataractions.cpp
@@ -42,6 +42,7 @@
 #include "llappviewer.h"		// for gLastVersionChannel
 #include "llcachename.h"
 #include "llcallingcard.h"		// for LLAvatarTracker
+#include "llconversationlog.h"
 #include "llfloateravatarpicker.h"	// for LLFloaterAvatarPicker
 #include "llfloatergroupinvite.h"
 #include "llfloatergroups.h"
@@ -55,6 +56,7 @@
 #include "llinventorybridge.h"
 #include "llinventorymodel.h"	// for gInventory.findCategoryUUIDForType
 #include "llinventorypanel.h"
+#include "llfloaterimcontainer.h"
 #include "llimview.h"			// for gIMMgr
 #include "llmutelist.h"
 #include "llnotificationsutil.h"	// for LLNotificationsUtil
@@ -66,7 +68,6 @@
 #include "llviewerobjectlist.h"
 #include "llviewermessage.h"	// for handle_lure
 #include "llviewerregion.h"
-#include "llimfloater.h"
 #include "lltrans.h"
 #include "llcallingcard.h"
 #include "llslurl.h"			// IDEVO
@@ -93,7 +94,7 @@ void LLAvatarActions::requestFriendshipDialog(const LLUUID& id, const std::strin
 	LLRecentPeople::instance().add(id);
 }
 
-void on_avatar_name_friendship(const LLUUID& id, const LLAvatarName av_name)
+static void on_avatar_name_friendship(const LLUUID& id, const LLAvatarName av_name)
 {
 	LLAvatarActions::requestFriendshipDialog(id, av_name.getCompleteName());
 }
@@ -134,7 +135,7 @@ void LLAvatarActions::removeFriendsDialog(const uuid_vec_t& ids)
 		LLAvatarName av_name;
 		if(LLAvatarNameCache::get(agent_id, &av_name))
 		{
-			args["NAME"] = av_name.mDisplayName;
+			args["NAME"] = av_name.getDisplayName();
 		}
 
 		msgType = "RemoveFromFriends";
@@ -179,11 +180,11 @@ void LLAvatarActions::offerTeleport(const uuid_vec_t& ids)
 static void on_avatar_name_cache_start_im(const LLUUID& agent_id,
 										  const LLAvatarName& av_name)
 {
-	std::string name = av_name.getCompleteName();
+	std::string name = av_name.getDisplayName();
 	LLUUID session_id = gIMMgr->addSession(name, IM_NOTHING_SPECIAL, agent_id);
 	if (session_id != LLUUID::null)
 	{
-		LLIMFloater::show(session_id);
+		LLFloaterIMContainer::getInstance()->showConversation(session_id);
 	}
 	make_ui_sound("UISndStartIM");
 }
@@ -194,8 +195,7 @@ void LLAvatarActions::startIM(const LLUUID& id)
 	if (id.isNull())
 		return;
 
-	LLAvatarNameCache::get(id,
-		boost::bind(&on_avatar_name_cache_start_im, _1, _2));
+	LLAvatarNameCache::get(id, boost::bind(&on_avatar_name_cache_start_im, _1, _2));
 }
 
 // static
@@ -214,7 +214,7 @@ void LLAvatarActions::endIM(const LLUUID& id)
 static void on_avatar_name_cache_start_call(const LLUUID& agent_id,
 											const LLAvatarName& av_name)
 {
-	std::string name = av_name.getCompleteName();
+	std::string name = av_name.getDisplayName();
 	LLUUID session_id = gIMMgr->addSession(name, IM_NOTHING_SPECIAL, agent_id, true);
 	if (session_id != LLUUID::null)
 	{
@@ -230,12 +230,11 @@ void LLAvatarActions::startCall(const LLUUID& id)
 	{
 		return;
 	}
-	LLAvatarNameCache::get(id,
-		boost::bind(&on_avatar_name_cache_start_call, _1, _2));
+	LLAvatarNameCache::get(id, boost::bind(&on_avatar_name_cache_start_call, _1, _2));
 }
 
 // static
-void LLAvatarActions::startAdhocCall(const uuid_vec_t& ids)
+void LLAvatarActions::startAdhocCall(const uuid_vec_t& ids, const LLUUID& floater_id)
 {
 	if (ids.size() == 0)
 	{
@@ -252,7 +251,7 @@ void LLAvatarActions::startAdhocCall(const uuid_vec_t& ids)
 	// create the new ad hoc voice session
 	const std::string title = LLTrans::getString("conference-title");
 	LLUUID session_id = gIMMgr->addSession(title, IM_SESSION_CONFERENCE_START,
-										   ids[0], id_array, true);
+										   ids[0], id_array, true, floater_id);
 	if (session_id == LLUUID::null)
 	{
 		return;
@@ -285,7 +284,7 @@ bool LLAvatarActions::canCall()
 }
 
 // static
-void LLAvatarActions::startConference(const uuid_vec_t& ids)
+void LLAvatarActions::startConference(const uuid_vec_t& ids, const LLUUID& floater_id)
 {
 	// *HACK: Copy into dynamic array
 	LLDynamicArray<LLUUID> id_array;
@@ -294,11 +293,15 @@ void LLAvatarActions::startConference(const uuid_vec_t& ids)
 		id_array.push_back(*it);
 	}
 	const std::string title = LLTrans::getString("conference-title");
-	LLUUID session_id = gIMMgr->addSession(title, IM_SESSION_CONFERENCE_START, ids[0], id_array);
-	if (session_id != LLUUID::null)
+	LLUUID session_id = gIMMgr->addSession(title, IM_SESSION_CONFERENCE_START, ids[0], id_array, false, floater_id);
+
+	if (session_id == LLUUID::null)
 	{
-		LLIMFloater::show(session_id);
+		return;
 	}
+	
+	LLFloaterIMContainer::getInstance()->showConversation(session_id);
+	
 	make_ui_sound("UISndStartIM");
 }
 
@@ -310,19 +313,11 @@ static const char* get_profile_floater_name(const LLUUID& avatar_id)
 
 static void on_avatar_name_show_profile(const LLUUID& agent_id, const LLAvatarName& av_name)
 {
-	std::string username = av_name.mUsername;
-	if (username.empty())
-	{
-		username = LLCacheName::buildUsername(av_name.mDisplayName);
-	}
-	
-	llinfos << "opening web profile for " << username << llendl;		
-	std::string url = getProfileURL(username);
+	std::string url = getProfileURL(av_name.getAccountName());
 
 	// PROFILES: open in webkit window
 	LLFloaterWebContent::Params p;
-	p.url(url).
-		id(agent_id.asString());
+	p.url(url).id(agent_id.asString());
 	LLFloaterReg::showInstance(get_profile_floater_name(agent_id), p);
 }
 
@@ -374,19 +369,19 @@ void LLAvatarActions::showOnMap(const LLUUID& id)
 		return;
 	}
 
-	gFloaterWorldMap->trackAvatar(id, av_name.mDisplayName);
+	gFloaterWorldMap->trackAvatar(id, av_name.getDisplayName());
 	LLFloaterReg::showInstance("world_map");
 }
 
 // static
 void LLAvatarActions::pay(const LLUUID& id)
 {
-	LLNotification::Params params("BusyModePay");
+	LLNotification::Params params("DoNotDisturbModePay");
 	params.functor.function(boost::bind(&LLAvatarActions::handlePay, _1, _2, id));
 
-	if (gAgent.getBusy())
+	if (gAgent.isDoNotDisturb())
 	{
-		// warn users of being in busy mode during a transaction
+		// warn users of being in do not disturb mode during a transaction
 		LLNotifications::instance().add(params);
 	}
 	else
@@ -529,23 +524,6 @@ namespace action_give_inventory
 		return acceptable;
 	}
 
-	static void build_residents_string(const std::vector<LLAvatarName> avatar_names, std::string& residents_string)
-	{
-		llassert(avatar_names.size() > 0);
-
-		const std::string& separator = LLTrans::getString("words_separator");
-		for (std::vector<LLAvatarName>::const_iterator it = avatar_names.begin(); ; )
-		{
-			LLAvatarName av_name = *it;
-			residents_string.append(av_name.mDisplayName);
-			if	(++it == avatar_names.end())
-			{
-				break;
-			}
-			residents_string.append(separator);
-		}
-	}
-
 	static void build_items_string(const std::set<LLUUID>& inventory_selected_uuids , std::string& items_string)
 	{
 		llassert(inventory_selected_uuids.size() > 0);
@@ -681,7 +659,7 @@ namespace action_give_inventory
 		}
 
 		std::string residents;
-		build_residents_string(avatar_names, residents);
+		LLAvatarActions::buildResidentsString(avatar_names, residents);
 
 		std::string items;
 		build_items_string(inventory_selected_uuids, items);
@@ -712,38 +690,84 @@ namespace action_give_inventory
 	}
 }
 
+// static
+void LLAvatarActions::buildResidentsString(std::vector<LLAvatarName> avatar_names, std::string& residents_string)
+{
+	llassert(avatar_names.size() > 0);
+	
+	std::sort(avatar_names.begin(), avatar_names.end());
+	const std::string& separator = LLTrans::getString("words_separator");
+	for (std::vector<LLAvatarName>::const_iterator it = avatar_names.begin(); ; )
+	{
+		residents_string.append((*it).getDisplayName());
+		if	(++it == avatar_names.end())
+		{
+			break;
+		}
+		residents_string.append(separator);
+	}
+}
 
+// static
+void LLAvatarActions::buildResidentsString(const uuid_vec_t& avatar_uuids, std::string& residents_string)
+{
+	std::vector<LLAvatarName> avatar_names;
+	uuid_vec_t::const_iterator it = avatar_uuids.begin();
+	for (; it != avatar_uuids.end(); ++it)
+	{
+		LLAvatarName av_name;
+		if (LLAvatarNameCache::get(*it, &av_name))
+		{
+			avatar_names.push_back(av_name);
+		}
+	}
+	
+	// We should check whether the vector is not empty to pass the assertion
+	// that avatar_names.size() > 0 in LLAvatarActions::buildResidentsString.
+	if (!avatar_names.empty())
+	{
+		LLAvatarActions::buildResidentsString(avatar_names, residents_string);
+	}
+}
 
 //static
 std::set<LLUUID> LLAvatarActions::getInventorySelectedUUIDs()
 {
-	std::set<LLUUID> inventory_selected_uuids;
+	std::set<LLFolderViewItem*> inventory_selected;
 
 	LLInventoryPanel* active_panel = action_give_inventory::get_active_inventory_panel();
 	if (active_panel)
 	{
-		inventory_selected_uuids = active_panel->getRootFolder()->getSelectionList();
+		inventory_selected= active_panel->getRootFolder()->getSelectionList();
 	}
 
-	if (inventory_selected_uuids.empty())
+	if (inventory_selected.empty())
 	{
 		LLSidepanelInventory *sidepanel_inventory = LLFloaterSidePanelContainer::getPanel<LLSidepanelInventory>("inventory");
 		if (sidepanel_inventory)
 		{
-			inventory_selected_uuids = sidepanel_inventory->getInboxSelectionList();
+			inventory_selected= sidepanel_inventory->getInboxSelectionList();
 		}
 	}
 
+	std::set<LLUUID> inventory_selected_uuids;
+	for (std::set<LLFolderViewItem*>::iterator it = inventory_selected.begin(), end_it = inventory_selected.end();
+		it != end_it;
+		++it)
+	{
+		inventory_selected_uuids.insert(static_cast<LLFolderViewModelItemInventory*>((*it)->getViewModelItem())->getUUID());
+	}
 	return inventory_selected_uuids;
 }
 
 //static
-void LLAvatarActions::shareWithAvatars()
+void LLAvatarActions::shareWithAvatars(LLView * panel)
 {
 	using namespace action_give_inventory;
 
+    LLFloater* root_floater = gFloaterView->getParentFloater(panel);
 	LLFloaterAvatarPicker* picker =
-		LLFloaterAvatarPicker::show(boost::bind(give_inventory, _1, _2), TRUE, FALSE);
+		LLFloaterAvatarPicker::show(boost::bind(give_inventory, _1, _2), TRUE, FALSE, FALSE, root_floater->getName());
 	if (!picker)
 	{
 		return;
@@ -751,6 +775,11 @@ void LLAvatarActions::shareWithAvatars()
 
 	picker->setOkBtnEnableCb(boost::bind(is_give_inventory_acceptable));
 	picker->openFriendsTab();
+    
+    if (root_floater)
+    {
+        root_floater->addDependentFloater(picker);
+    }
 	LLNotificationsUtil::add("ShareNotification");
 }
 
@@ -769,15 +798,15 @@ bool LLAvatarActions::canShareSelectedItems(LLInventoryPanel* inv_panel /* = NUL
 
 	// check selection in the panel
 	LLFolderView* root_folder = inv_panel->getRootFolder();
-	const std::set<LLUUID> inventory_selected_uuids = root_folder->getSelectionList();
-	if (inventory_selected_uuids.empty()) return false; // nothing selected
+	const std::set<LLFolderViewItem*> inventory_selected = root_folder->getSelectionList();
+	if (inventory_selected.empty()) return false; // nothing selected
 
 	bool can_share = true;
-	std::set<LLUUID>::const_iterator it = inventory_selected_uuids.begin();
-	const std::set<LLUUID>::const_iterator it_end = inventory_selected_uuids.end();
+	std::set<LLFolderViewItem*>::const_iterator it = inventory_selected.begin();
+	const std::set<LLFolderViewItem*>::const_iterator it_end = inventory_selected.end();
 	for (; it != it_end; ++it)
 	{
-		LLViewerInventoryCategory* inv_cat = gInventory.getCategory(*it);
+		LLViewerInventoryCategory* inv_cat = gInventory.getCategory(static_cast<LLFolderViewModelItemInventory*>((*it)->getViewModelItem())->getUUID());
 		// any category can be offered.
 		if (inv_cat)
 		{
@@ -785,9 +814,9 @@ bool LLAvatarActions::canShareSelectedItems(LLInventoryPanel* inv_panel /* = NUL
 		}
 
 		// check if inventory item can be given
-		LLFolderViewItem* item = root_folder->getItemByID(*it);
+		LLFolderViewItem* item = *it;
 		if (!item) return false;
-		LLInvFVBridge* bridge = dynamic_cast<LLInvFVBridge*>(item->getListener());
+		LLInvFVBridge* bridge = dynamic_cast<LLInvFVBridge*>(item->getViewModelItem());
 		if (bridge && bridge->canShare())
 		{
 			continue;
@@ -820,6 +849,26 @@ void LLAvatarActions::toggleBlock(const LLUUID& id)
 }
 
 // static
+void LLAvatarActions::toggleMuteVoice(const LLUUID& id)
+{
+	std::string name;
+	gCacheName->getFullName(id, name); // needed for mute
+
+	LLMuteList* mute_list = LLMuteList::getInstance();
+	bool is_muted = mute_list->isMuted(id, LLMute::flagVoiceChat);
+
+	LLMute mute(id, name, LLMute::AGENT);
+	if (!is_muted)
+	{
+		mute_list->add(mute, LLMute::flagVoiceChat);
+	}
+	else
+	{
+		mute_list->remove(mute, LLMute::flagVoiceChat);
+	}
+}
+
+// static
 bool LLAvatarActions::canOfferTeleport(const LLUUID& id)
 {
 	// First use LLAvatarTracker::isBuddy()
@@ -865,6 +914,22 @@ void LLAvatarActions::inviteToGroup(const LLUUID& id)
 	}
 }
 
+// static
+void LLAvatarActions::viewChatHistory(const LLUUID& id)
+{
+	const std::vector<LLConversation>& conversations = LLConversationLog::instance().getConversations();
+	std::vector<LLConversation>::const_iterator iter = conversations.begin();
+
+	for (; iter != conversations.end(); ++iter)
+	{
+		if (iter->getParticipantID() == id)
+		{
+			LLFloaterReg::showInstance("preview_conversation", iter->getSessionID(), true);
+			break;
+		}
+	}
+}
+
 //== private methods ========================================================================================
 
 // static
@@ -907,7 +972,7 @@ bool LLAvatarActions::handlePay(const LLSD& notification, const LLSD& response,
 	S32 option = LLNotificationsUtil::getSelectedOption(notification, response);
 	if (option == 0)
 	{
-		gAgent.clearBusy();
+		gAgent.setDoNotDisturb(false);
 	}
 
 	LLFloaterPayUtil::payDirectly(&give_money, avatar_id, /*is_group=*/false);
@@ -1015,7 +1080,6 @@ void LLAvatarActions::requestFriendship(const LLUUID& target_id, const std::stri
 
 	LLSD payload;
 	payload["from_id"] = target_id;
-	payload["SUPPRESS_TOAST"] = true;
 	LLNotificationsUtil::add("FriendshipOffered", args, payload);
 }
 
@@ -1034,6 +1098,12 @@ bool LLAvatarActions::isBlocked(const LLUUID& id)
 }
 
 // static
+bool LLAvatarActions::isVoiceMuted(const LLUUID& id)
+{
+	return LLMuteList::getInstance()->isMuted(id, LLMute::flagVoiceChat);
+}
+
+// static
 bool LLAvatarActions::canBlock(const LLUUID& id)
 {
 	std::string full_name;
diff --git a/indra/newview/llavataractions.h b/indra/newview/llavataractions.h
index 748b7cb3d1..6e1198cd09 100644
--- a/indra/newview/llavataractions.h
+++ b/indra/newview/llavataractions.h
@@ -34,8 +34,10 @@
 #include <string>
 #include <vector>
 
+class LLAvatarName;
 class LLInventoryPanel;
 class LLFloater;
+class LLView;
 
 /**
  * Friend-related actions (add, remove, offer teleport, etc)
@@ -81,14 +83,14 @@ public:
 	static void startCall(const LLUUID& id);
 
 	/**
-	 * Start an ad-hoc conference voice call with multiple users
+	 * Start an ad-hoc conference voice call with multiple users in a specific IM floater.
 	 */
-	static void startAdhocCall(const uuid_vec_t& ids);
+	static void startAdhocCall(const uuid_vec_t& ids, const LLUUID& floater_id = LLUUID::null);
 
 	/**
-	 * Start conference chat with the given avatars.
+	 * Start conference chat with the given avatars in a specific IM floater.
 	 */
-	static void startConference(const uuid_vec_t& ids);
+	static void startConference(const uuid_vec_t& ids, const LLUUID& floater_id = LLUUID::null);
 
 	/**
 	 * Show avatar profile.
@@ -116,7 +118,7 @@ public:
 	/**
 	 * Share items with the picked avatars.
 	 */
-	static void shareWithAvatars();
+	static void shareWithAvatars(LLView * panel);
 
 	/**
 	 * Block/unblock the avatar.
@@ -124,6 +126,11 @@ public:
 	static void toggleBlock(const LLUUID& id);
 
 	/**
+	 * Block/unblock the avatar voice.
+	 */
+	static void toggleMuteVoice(const LLUUID& id);
+
+	/**
 	 * Return true if avatar with "id" is a friend
 	 */
 	static bool isFriend(const LLUUID& id);
@@ -134,6 +141,11 @@ public:
 	static bool isBlocked(const LLUUID& id);
 
 	/**
+	 * @return true if the avatar voice is blocked
+	 */
+	static bool isVoiceMuted(const LLUUID& id);
+
+	/**
 	 * @return true if you can block the avatar
 	 */
 	static bool canBlock(const LLUUID& id);
@@ -198,6 +210,27 @@ public:
 	 */
 	static bool canShareSelectedItems(LLInventoryPanel* inv_panel = NULL);
 
+	/**
+	 * Builds a string of residents' display names separated by "words_separator" string.
+	 *
+	 * @param avatar_names - a vector of given avatar names from which resulting string is built
+	 * @param residents_string - the resulting string
+	 */
+	static void buildResidentsString(std::vector<LLAvatarName> avatar_names, std::string& residents_string);
+
+	/**
+	 * Builds a string of residents' display names separated by "words_separator" string.
+	 *
+	 * @param avatar_uuids - a vector of given avatar uuids from which resulting string is built
+	 * @param residents_string - the resulting string
+	 */
+	static void buildResidentsString(const uuid_vec_t& avatar_uuids, std::string& residents_string);
+
+	/**
+	 * Opens the chat history for avatar
+	 */
+	static void viewChatHistory(const LLUUID& id);
+
 	static std::set<LLUUID> getInventorySelectedUUIDs();
 
 private:
diff --git a/indra/newview/llavatariconctrl.cpp b/indra/newview/llavatariconctrl.cpp
index b539ac38ed..714bde6f37 100755
--- a/indra/newview/llavatariconctrl.cpp
+++ b/indra/newview/llavatariconctrl.cpp
@@ -28,6 +28,8 @@
 
 #include "llavatariconctrl.h"
 
+#include <boost/signals2.hpp>
+
 // viewer includes
 #include "llagent.h"
 #include "llavatarconstants.h"
@@ -36,7 +38,7 @@
 #include "llmenugl.h"
 #include "lluictrlfactory.h"
 #include "llagentdata.h"
-#include "llimfloater.h"
+#include "llfloaterimsession.h"
 
 // library includes
 #include "llavatarnamecache.h"
@@ -148,9 +150,13 @@ LLAvatarIconCtrl::Params::Params()
 
 
 LLAvatarIconCtrl::LLAvatarIconCtrl(const LLAvatarIconCtrl::Params& p)
-:	LLIconCtrl(p),
+	: LLIconCtrl(p),
+	LLAvatarPropertiesObserver(),
+	mAvatarId(),
+	mFullName(),
 	mDrawTooltip(p.draw_tooltip),
-	mDefaultIconName(p.default_icon_name)
+	mDefaultIconName(p.default_icon_name),
+	mAvatarNameCacheConnection()
 {
 	mPriority = LLViewerFetchedTexture::BOOST_ICON;
 	
@@ -203,6 +209,11 @@ LLAvatarIconCtrl::~LLAvatarIconCtrl()
 		LLAvatarPropertiesProcessor::getInstance()->removeObserver(mAvatarId, this);
 		// Name callbacks will be automatically disconnected since LLUICtrl is trackable
 	}
+
+	if (mAvatarNameCacheConnection.connected())
+	{
+		mAvatarNameCacheConnection.disconnect();
+	}
 }
 
 //virtual
@@ -245,9 +256,19 @@ void LLAvatarIconCtrl::setValue(const LLSD& value)
 		LLIconCtrl::setValue(value);
 	}
 
-	LLAvatarNameCache::get(mAvatarId,
-		boost::bind(&LLAvatarIconCtrl::onAvatarNameCache, 
-			this, _1, _2));
+	fetchAvatarName();
+}
+
+void LLAvatarIconCtrl::fetchAvatarName()
+{
+	if (mAvatarId.notNull())
+	{
+		if (mAvatarNameCacheConnection.connected())
+		{
+			mAvatarNameCacheConnection.disconnect();
+		}
+		mAvatarNameCacheConnection = LLAvatarNameCache::get(mAvatarId, boost::bind(&LLAvatarIconCtrl::onAvatarNameCache, this, _1, _2));
+	}
 }
 
 bool LLAvatarIconCtrl::updateFromCache()
@@ -292,11 +313,13 @@ void LLAvatarIconCtrl::processProperties(void* data, EAvatarProcessorType type)
 
 void LLAvatarIconCtrl::onAvatarNameCache(const LLUUID& agent_id, const LLAvatarName& av_name)
 {
+	mAvatarNameCacheConnection.disconnect();
+
 	if (agent_id == mAvatarId)
 	{
 		// Most avatar icon controls are next to a UI element that shows
 		// a display name, so only show username.
-		mFullName = av_name.mUsername;
+		mFullName = av_name.getUserName();
 
 		if (mDrawTooltip)
 		{
diff --git a/indra/newview/llavatariconctrl.h b/indra/newview/llavatariconctrl.h
index 7f568fc5b8..4929efb7d0 100644
--- a/indra/newview/llavatariconctrl.h
+++ b/indra/newview/llavatariconctrl.h
@@ -27,7 +27,9 @@
 #ifndef LL_LLAVATARICONCTRL_H
 #define LL_LLAVATARICONCTRL_H
 
-#include "lliconctrl.h"
+#include <boost/signals2.hpp>
+
+#include "../llui/lliconctrl.h"
 #include "llavatarpropertiesprocessor.h"
 #include "llviewermenu.h"
 
@@ -86,20 +88,24 @@ public:
 	// LLAvatarPropertiesProcessor observer trigger
 	virtual void processProperties(void* data, EAvatarProcessorType type);
 
-	void onAvatarNameCache(const LLUUID& agent_id, const LLAvatarName& av_name);
-
 	const LLUUID&		getAvatarId() const	{ return mAvatarId; }
 	const std::string&	getFullName() const { return mFullName; }
 
 	void setDrawTooltip(bool value) { mDrawTooltip = value;}
 
 protected:
-	LLUUID				mAvatarId;
-	std::string			mFullName;
-	bool				mDrawTooltip;
-	std::string			mDefaultIconName;
+	LLUUID                      mAvatarId;
+	std::string                 mFullName;
+	bool                        mDrawTooltip;
+	std::string                 mDefaultIconName;
 
 	bool updateFromCache();
+
+private:
+	void fetchAvatarName();
+	void onAvatarNameCache(const LLUUID& agent_id, const LLAvatarName& av_name);
+
+	boost::signals2::connection mAvatarNameCacheConnection;
 };
 
 #endif  // LL_LLAVATARICONCTRL_H
diff --git a/indra/newview/llavatarlist.cpp b/indra/newview/llavatarlist.cpp
index 771419f60a..e54e47180f 100644
--- a/indra/newview/llavatarlist.cpp
+++ b/indra/newview/llavatarlist.cpp
@@ -278,7 +278,7 @@ void LLAvatarList::refresh()
 		LLAvatarName av_name;
 		have_names &= LLAvatarNameCache::get(buddy_id, &av_name);
 
-		if (!have_filter || findInsensitive(av_name.mDisplayName, mNameFilter))
+		if (!have_filter || findInsensitive(av_name.getDisplayName(), mNameFilter))
 		{
 			if (nadded >= ADD_LIMIT)
 			{
@@ -296,8 +296,9 @@ void LLAvatarList::refresh()
 				}
 				else
 				{
+					std::string display_name = av_name.getDisplayName();
 					addNewItem(buddy_id, 
-						av_name.mDisplayName.empty() ? waiting_str : av_name.mDisplayName, 
+						display_name.empty() ? waiting_str : display_name, 
 						LLAvatarTracker::instance().isBuddyOnline(buddy_id));
 				}
 				
@@ -325,7 +326,7 @@ void LLAvatarList::refresh()
 			const LLUUID& buddy_id = it->asUUID();
 			LLAvatarName av_name;
 			have_names &= LLAvatarNameCache::get(buddy_id, &av_name);
-			if (!findInsensitive(av_name.mDisplayName, mNameFilter))
+			if (!findInsensitive(av_name.getDisplayName(), mNameFilter))
 			{
 				removeItemByUUID(buddy_id);
 				modified = true;
@@ -398,7 +399,7 @@ bool LLAvatarList::filterHasMatches()
 		// If name has not been loaded yet we consider it as a match.
 		// When the name will be loaded the filter will be applied again(in refresh()).
 
-		if (have_name && !findInsensitive(av_name.mDisplayName, mNameFilter))
+		if (have_name && !findInsensitive(av_name.getDisplayName(), mNameFilter))
 		{
 			continue;
 		}
diff --git a/indra/newview/llavatarlistitem.cpp b/indra/newview/llavatarlistitem.cpp
index 30eecfe323..3ed0c7c482 100644
--- a/indra/newview/llavatarlistitem.cpp
+++ b/indra/newview/llavatarlistitem.cpp
@@ -27,6 +27,8 @@
 
 #include "llviewerprecompiledheaders.h"
 
+#include <boost/signals2.hpp>
+
 #include "llavataractions.h"
 #include "llavatarlistitem.h"
 
@@ -38,6 +40,7 @@
 #include "llavatarnamecache.h"
 #include "llavatariconctrl.h"
 #include "lloutputmonitorctrl.h"
+#include "lltooldraganddrop.h"
 
 bool LLAvatarListItem::sStaticInitialized = false;
 S32 LLAvatarListItem::sLeftPadding = 0;
@@ -58,7 +61,8 @@ LLAvatarListItem::Params::Params()
 
 
 LLAvatarListItem::LLAvatarListItem(bool not_from_ui_factory/* = true*/)
-:	LLPanel(),
+	: LLPanel(),
+	LLFriendObserver(),
 	mAvatarIcon(NULL),
 	mAvatarName(NULL),
 	mLastInteractionTime(NULL),
@@ -73,7 +77,8 @@ LLAvatarListItem::LLAvatarListItem(bool not_from_ui_factory/* = true*/)
 	mShowInfoBtn(true),
 	mShowProfileBtn(true),
 	mShowPermissions(false),
-	mHovered(false)
+	mHovered(false),
+	mAvatarNameCacheConnection()
 {
 	if (not_from_ui_factory)
 	{
@@ -86,7 +91,14 @@ LLAvatarListItem::LLAvatarListItem(bool not_from_ui_factory/* = true*/)
 LLAvatarListItem::~LLAvatarListItem()
 {
 	if (mAvatarId.notNull())
+	{
 		LLAvatarTracker::instance().removeParticularFriendObserver(mAvatarId, this);
+	}
+
+	if (mAvatarNameCacheConnection.connected())
+	{
+		mAvatarNameCacheConnection.disconnect();
+	}
 }
 
 BOOL  LLAvatarListItem::postBuild()
@@ -129,6 +141,29 @@ BOOL  LLAvatarListItem::postBuild()
 	return TRUE;
 }
 
+void LLAvatarListItem::handleVisibilityChange ( BOOL new_visibility )
+{
+    //Adjust positions of icons (info button etc) when 
+    //speaking indicator visibility was changed/toggled while panel was closed (not visible)
+    if(new_visibility && mSpeakingIndicator->getIndicatorToggled())
+    {
+        updateChildren();
+        mSpeakingIndicator->setIndicatorToggled(false);
+    }
+}
+
+void LLAvatarListItem::fetchAvatarName()
+{
+	if (mAvatarId.notNull())
+	{
+		if (mAvatarNameCacheConnection.connected())
+		{
+			mAvatarNameCacheConnection.disconnect();
+		}
+		mAvatarNameCacheConnection = LLAvatarNameCache::get(getAvatarId(), boost::bind(&LLAvatarListItem::onAvatarNameCache, this, _2));
+	}
+}
+
 S32 LLAvatarListItem::notifyParent(const LLSD& info)
 {
 	if (info.has("visibility_changed"))
@@ -259,8 +294,7 @@ void LLAvatarListItem::setAvatarId(const LLUUID& id, const LLUUID& session_id, b
 		mAvatarIcon->setValue(id);
 
 		// Set avatar name.
-		LLAvatarNameCache::get(id,
-			boost::bind(&LLAvatarListItem::onAvatarNameCache, this, _2));
+		fetchAvatarName();
 	}
 }
 
@@ -334,6 +368,61 @@ BOOL LLAvatarListItem::handleDoubleClick(S32 x, S32 y, MASK mask)
 	return LLPanel::handleDoubleClick(x, y, mask);
 }
 
+BOOL LLAvatarListItem::handleMouseDown(S32 x, S32 y, MASK mask)
+{
+	if (LLUICtrl::handleMouseDown(x, y, mask))
+	{
+		return TRUE;
+	}
+
+	gFocusMgr.setMouseCapture(this);
+
+	S32 screen_x;
+	S32 screen_y;
+	localPointToScreen(x, y, &screen_x, &screen_y);
+	LLToolDragAndDrop::getInstance()->setDragStart(screen_x, screen_y);
+
+	return TRUE;
+}
+
+BOOL LLAvatarListItem::handleMouseUp( S32 x, S32 y, MASK mask )
+{
+	if (LLUICtrl::childrenHandleMouseUp(x, y, mask))
+	{
+		return TRUE;
+	}
+
+	if(hasMouseCapture())
+	{
+		gFocusMgr.setMouseCapture(NULL);
+	}
+	return TRUE;
+}
+
+BOOL LLAvatarListItem::handleHover(S32 x, S32 y, MASK mask)
+{
+	bool handled = hasMouseCapture();
+	if(handled)
+	{
+		S32 screen_x;
+		S32 screen_y;
+		localPointToScreen(x, y, &screen_x, &screen_y);
+
+		if(LLToolDragAndDrop::getInstance()->isOverThreshold(screen_x, screen_y))
+		{
+			// First, create the global drag and drop object
+			std::vector<EDragAndDropType> types;
+			uuid_vec_t cargo_ids;
+			types.push_back(DAD_PERSON);
+			cargo_ids.push_back(mAvatarId);
+			LLToolDragAndDrop::ESource src = LLToolDragAndDrop::SOURCE_PEOPLE;
+			LLToolDragAndDrop::getInstance()->beginMultiDrag(types, cargo_ids, src);
+		}
+	}
+
+	return handled;
+}
+
 void LLAvatarListItem::setValue( const LLSD& value )
 {
 	if (!value.isMap()) return;;
@@ -358,8 +447,7 @@ std::string LLAvatarListItem::getAvatarToolTip() const
 
 void LLAvatarListItem::updateAvatarName()
 {
-	LLAvatarNameCache::get(getAvatarId(),
-			boost::bind(&LLAvatarListItem::onAvatarNameCache, this, _2));
+	fetchAvatarName();
 }
 
 //== PRIVATE SECITON ==========================================================
@@ -371,8 +459,10 @@ void LLAvatarListItem::setNameInternal(const std::string& name, const std::strin
 
 void LLAvatarListItem::onAvatarNameCache(const LLAvatarName& av_name)
 {
-	setAvatarName(av_name.mDisplayName);
-	setAvatarToolTip(av_name.mUsername);
+	mAvatarNameCacheConnection.disconnect();
+
+	setAvatarName(av_name.getDisplayName());
+	setAvatarToolTip(av_name.getUserName());
 
 	//requesting the list to resort
 	notifyParent(LLSD().with("sort", LLSD()));
diff --git a/indra/newview/llavatarlistitem.h b/indra/newview/llavatarlistitem.h
index c95ac39696..96aed20016 100644
--- a/indra/newview/llavatarlistitem.h
+++ b/indra/newview/llavatarlistitem.h
@@ -27,6 +27,8 @@
 #ifndef LL_LLAVATARLISTITEM_H
 #define LL_LLAVATARLISTITEM_H
 
+#include <boost/signals2.hpp>
+
 #include "llpanel.h"
 #include "lloutputmonitorctrl.h"
 #include "llbutton.h"
@@ -82,6 +84,7 @@ public:
 	/**
 	 * Processes notification from speaker indicator to update children when indicator's visibility is changed.
 	 */
+    virtual void handleVisibilityChange ( BOOL new_visibility );
 	virtual S32	notifyParent(const LLSD& info);
 	virtual void onMouseLeave(S32 x, S32 y, MASK mask);
 	virtual void onMouseEnter(S32 x, S32 y, MASK mask);
@@ -112,6 +115,9 @@ public:
 	void onProfileBtnClick();
 
 	/*virtual*/ BOOL handleDoubleClick(S32 x, S32 y, MASK mask);
+	/*virtual*/ BOOL handleMouseDown( S32 x, S32 y, MASK mask );
+	/*virtual*/ BOOL handleMouseUp(S32 x, S32 y, MASK mask);
+	/*virtual*/ BOOL handleHover(S32 x, S32 y, MASK mask);
 
 protected:
 	/**
@@ -214,6 +220,9 @@ private:
 
 	/// true when the mouse pointer is hovering over this item
 	bool mHovered;
+	
+	void fetchAvatarName();
+	boost::signals2::connection mAvatarNameCacheConnection;
 
 	static bool	sStaticInitialized; // this variable is introduced to improve code readability
 	static S32  sLeftPadding; // padding to first left visible child (icon or name)
diff --git a/indra/newview/llblockedlistitem.cpp b/indra/newview/llblockedlistitem.cpp
new file mode 100644
index 0000000000..d9afd2b629
--- /dev/null
+++ b/indra/newview/llblockedlistitem.cpp
@@ -0,0 +1,114 @@
+/**
+ * @file llviewerobjectlistitem.cpp
+ * @brief viewer object list item implementation
+ *
+ * Class LLPanelInventoryListItemBase displays inventory item as an element
+ * of LLInventoryItemsList.
+ *
+ * $LicenseInfo:firstyear=2012&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2012, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#include "llviewerprecompiledheaders.h"
+
+#include "llblockedlistitem.h"
+
+// llui
+#include "lliconctrl.h"
+#include "lltextbox.h"
+#include "lltextutil.h"
+
+// newview
+#include "llavatariconctrl.h"
+#include "llgroupiconctrl.h"
+#include "llinventoryicon.h"
+#include "llviewerobject.h"
+
+LLBlockedListItem::LLBlockedListItem(const LLMute* item)
+:	LLPanel(),
+	mItemID(item->mID),
+	mItemName(item->mName),
+	mMuteType(item->mType)
+{
+	buildFromFile("panel_blocked_list_item.xml");
+}
+
+BOOL LLBlockedListItem::postBuild()
+{
+	mTitleCtrl = getChild<LLTextBox>("item_name");
+	mTitleCtrl->setValue(mItemName);
+
+	switch (mMuteType)
+	{
+	case LLMute::AGENT:
+	case LLMute::EXTERNAL:
+		{
+			LLAvatarIconCtrl* avatar_icon = getChild<LLAvatarIconCtrl>("avatar_icon");
+			avatar_icon->setVisible(TRUE);
+			avatar_icon->setValue(mItemID);
+		}
+		break;
+	case LLMute::GROUP:
+		{
+			LLGroupIconCtrl* group_icon = getChild<LLGroupIconCtrl>("group_icon");
+			group_icon->setVisible(TRUE);
+			group_icon->setValue(mItemID);
+		}
+		break;
+	case LLMute::OBJECT:
+	case LLMute::BY_NAME:
+		getChild<LLUICtrl>("object_icon")->setVisible(TRUE);
+		break;
+
+	default:
+		break;
+	}
+
+	return TRUE;
+}
+
+void LLBlockedListItem::onMouseEnter(S32 x, S32 y, MASK mask)
+{
+	getChildView("hovered_icon")->setVisible(true);
+	LLPanel::onMouseEnter(x, y, mask);
+}
+
+void LLBlockedListItem::onMouseLeave(S32 x, S32 y, MASK mask)
+{
+	getChildView("hovered_icon")->setVisible(false);
+	LLPanel::onMouseLeave(x, y, mask);
+}
+
+void LLBlockedListItem::setValue(const LLSD& value)
+{
+	if (!value.isMap() || !value.has("selected"))
+	{
+		return;
+	}
+
+	getChildView("selected_icon")->setVisible(value["selected"]);
+}
+
+void LLBlockedListItem::highlightName(const std::string& highlited_text)
+{
+	LLStyle::Params params;
+	LLTextUtil::textboxSetHighlightedVal(mTitleCtrl, params, mItemName, highlited_text);
+}
diff --git a/indra/newview/llblockedlistitem.h b/indra/newview/llblockedlistitem.h
new file mode 100644
index 0000000000..05409e8a3b
--- /dev/null
+++ b/indra/newview/llblockedlistitem.h
@@ -0,0 +1,73 @@
+/**
+ * @file llviewerobjectlistitem.h
+ * @brief viewer object list item header file
+ *
+ * $LicenseInfo:firstyear=2012&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2012, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+#ifndef LLVIEWEROBJECTLISTITEM_H_
+#define LLVIEWEROBJECTLISTITEM_H_
+
+#include "llmutelist.h"
+#include "llpanel.h"
+#include "llstyle.h"
+#include "lltextbox.h"
+#include "lliconctrl.h"
+
+/**
+ * This class represents items of LLBlockList, which represents
+ * contents of LLMuteList. LLMuteList "consists" of LLMute items.
+ * Each LLMute represents either blocked avatar or object and
+ * stores info about mute type (avatar or object)
+ *
+ * Each item consists if object/avatar icon and object/avatar name
+ *
+ * To create a blocked list item just need to pass LLMute pointer
+ * and appropriate block list item will be created depending on
+ * LLMute type (LLMute::EType) and other LLMute's info
+ */
+class LLBlockedListItem : public LLPanel
+{
+public:
+
+	LLBlockedListItem(const LLMute* item);
+	virtual BOOL postBuild();
+
+	void onMouseEnter(S32 x, S32 y, MASK mask);
+	void onMouseLeave(S32 x, S32 y, MASK mask);
+
+	virtual void setValue(const LLSD& value);
+
+	void 					highlightName(const std::string& highlited_text);
+	const std::string&		getName() const { return mItemName; }
+	const LLMute::EType&	getType() const { return mMuteType; }
+	const LLUUID&			getUUID() const { return mItemID;	}
+
+private:
+
+	LLTextBox*		mTitleCtrl;
+	const LLUUID	mItemID;
+	std::string		mItemName;
+	LLMute::EType	mMuteType;
+
+};
+
+#endif /* LLVIEWEROBJECTLISTITEM_H_ */
diff --git a/indra/newview/llblocklist.cpp b/indra/newview/llblocklist.cpp
new file mode 100644
index 0000000000..066cb71677
--- /dev/null
+++ b/indra/newview/llblocklist.cpp
@@ -0,0 +1,284 @@
+/**
+ * @file llblocklist.cpp
+ * @brief List of the blocked avatars and objects.
+ *
+ * $LicenseInfo:firstyear=2012&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2012, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#include "llviewerprecompiledheaders.h"
+
+#include "llblocklist.h"
+
+#include "llavataractions.h"
+#include "llblockedlistitem.h"
+#include "llfloatersidepanelcontainer.h"
+#include "llviewermenu.h"
+
+static LLDefaultChildRegistry::Register<LLBlockList> r("block_list");
+
+static const LLBlockListNameComparator 		NAME_COMPARATOR;
+static const LLBlockListNameTypeComparator	NAME_TYPE_COMPARATOR;
+
+LLBlockList::LLBlockList(const Params& p)
+:	LLFlatListViewEx(p),
+ 	mSelectedItem(NULL),
+ 	mDirty(true)
+{
+
+	LLMuteList::getInstance()->addObserver(this);
+
+	// Set up context menu.
+	LLUICtrl::CommitCallbackRegistry::ScopedRegistrar registrar;
+	LLUICtrl::EnableCallbackRegistry::ScopedRegistrar enable_registrar;
+
+	registrar.add		("Block.Action",	boost::bind(&LLBlockList::onCustomAction,	this, _2));
+	enable_registrar.add("Block.Enable",	boost::bind(&LLBlockList::isActionEnabled,	this, _2));
+
+	LLToggleableMenu* context_menu = LLUICtrlFactory::getInstance()->createFromFile<LLToggleableMenu>(
+									"menu_people_blocked_gear.xml",
+									gMenuHolder,
+									LLViewerMenuHolderGL::child_registry_t::instance());
+	if(context_menu)
+	{
+		mContextMenu = context_menu->getHandle();
+	}
+}
+
+LLBlockList::~LLBlockList()
+{
+	if (mContextMenu.get())
+	{
+		mContextMenu.get()->die();
+	}
+
+	LLMuteList::getInstance()->removeObserver(this);
+}
+
+BOOL LLBlockList::handleRightMouseDown(S32 x, S32 y, MASK mask)
+{
+	BOOL handled = LLUICtrl::handleRightMouseDown(x, y, mask);
+
+	LLToggleableMenu* context_menu = mContextMenu.get();
+	if (context_menu && size())
+	{
+		context_menu->buildDrawLabels();
+		context_menu->updateParent(LLMenuGL::sMenuContainer);
+		LLMenuGL::showPopup(this, context_menu, x, y);
+	}
+
+	return handled;
+}
+
+void LLBlockList::setNameFilter(const std::string& filter)
+{
+	std::string filter_upper = filter;
+	LLStringUtil::toUpper(filter_upper);
+	if (mNameFilter != filter_upper)
+	{
+		mNameFilter = filter_upper;
+		setDirty();
+	}
+}
+
+void LLBlockList::sortByName()
+{
+	setComparator(&NAME_COMPARATOR);
+	sort();
+}
+
+void LLBlockList::sortByType()
+{
+	setComparator(&NAME_TYPE_COMPARATOR);
+	sort();
+}
+
+void LLBlockList::draw()
+{
+	if (mDirty)
+	{
+		refresh();
+	}
+
+	LLFlatListView::draw();
+}
+
+void LLBlockList::addNewItem(const LLMute* mute)
+{
+	LLBlockedListItem* item = new LLBlockedListItem(mute);
+	if (!mNameFilter.empty())
+	{
+		item->highlightName(mNameFilter);
+	}
+	addItem(item, item->getUUID(), ADD_BOTTOM);
+}
+
+void LLBlockList::refresh()
+{
+	bool have_filter = !mNameFilter.empty();
+
+	// save selection to restore it after list rebuilt
+	LLUUID selected = getSelectedUUID();
+
+	// calling refresh may be initiated by removing currently selected item
+	// so select next item and save the selection to restore it after list rebuilt
+	if (!selectNextItemPair(false, true))
+	{
+		selectNextItemPair(true, true);
+	}
+	LLUUID next_selected = getSelectedUUID();
+
+	clear();
+
+	std::vector<LLMute> mutes = LLMuteList::instance().getMutes();
+	std::vector<LLMute>::const_iterator mute_it = mutes.begin();
+
+	for (; mute_it != mutes.end(); ++mute_it)
+	{
+		if (have_filter && !findInsensitive(mute_it->mName, mNameFilter))
+			continue;
+
+		addNewItem(&*mute_it);
+	}
+
+	if (getItemPair(selected))
+	{
+		// restore previously selected item
+		selectItemPair(getItemPair(selected), true);
+	}
+	else if (getItemPair(next_selected))
+	{
+		// previously selected item was removed, so select next item
+		selectItemPair(getItemPair(next_selected), true);
+	}
+
+	// Sort the list.
+	sort();
+
+	setDirty(false);
+}
+
+bool LLBlockList::findInsensitive(std::string haystack, const std::string& needle_upper)
+{
+    LLStringUtil::toUpper(haystack);
+    return haystack.find(needle_upper) != std::string::npos;
+}
+
+LLBlockedListItem* LLBlockList::getBlockedItem() const
+{
+	LLPanel* panel = LLFlatListView::getSelectedItem();
+	LLBlockedListItem* item = dynamic_cast<LLBlockedListItem*>(panel);
+	return item;
+}
+
+bool LLBlockList::isActionEnabled(const LLSD& userdata)
+{
+	bool action_enabled = true;
+
+	const std::string command_name = userdata.asString();
+
+	if ("profile_item" == command_name)
+	{
+		LLBlockedListItem* item = getBlockedItem();
+		action_enabled = item && (LLMute::AGENT == item->getType());
+	}
+
+	if ("unblock_item" == command_name)
+	{
+		action_enabled = getSelectedItem() != NULL;
+	}
+
+	return action_enabled;
+}
+
+void LLBlockList::onCustomAction(const LLSD& userdata)
+{
+	if (!isActionEnabled(userdata))
+	{
+		return;
+	}
+
+	LLBlockedListItem* item = getBlockedItem();
+	const std::string command_name = userdata.asString();
+
+	if ("unblock_item" == command_name)
+	{
+		LLMute mute(item->getUUID(), item->getName());
+		LLMuteList::getInstance()->remove(mute);
+	}
+	else if ("profile_item" == command_name)
+	{
+		switch(item->getType())
+		{
+
+		case LLMute::AGENT:
+			LLAvatarActions::showProfile(item->getUUID());
+			break;
+
+		default:
+			break;
+		}
+	}
+}
+
+bool LLBlockListItemComparator::compare(const LLPanel* item1, const LLPanel* item2) const
+{
+	const LLBlockedListItem* blocked_item1 = dynamic_cast<const LLBlockedListItem*>(item1);
+	const LLBlockedListItem* blocked_item2 = dynamic_cast<const LLBlockedListItem*>(item2);
+
+	if (!blocked_item1 || !blocked_item2)
+	{
+		llerror("blocked_item1 and blocked_item2 cannot be null", 0);
+		return true;
+	}
+
+	return doCompare(blocked_item1, blocked_item2);
+}
+
+bool LLBlockListNameComparator::doCompare(const LLBlockedListItem* blocked_item1, const LLBlockedListItem* blocked_item2) const
+{
+	std::string name1 = blocked_item1->getName();
+	std::string name2 = blocked_item2->getName();
+
+	LLStringUtil::toUpper(name1);
+	LLStringUtil::toUpper(name2);
+
+	return name1 < name2;
+}
+
+bool LLBlockListNameTypeComparator::doCompare(const LLBlockedListItem* blocked_item1, const LLBlockedListItem* blocked_item2) const
+{
+	LLMute::EType type1 = blocked_item1->getType();
+	LLMute::EType type2 = blocked_item2->getType();
+
+	// if mute type is LLMute::BY_NAME or LLMute::OBJECT it means that this mute is an object
+	bool both_mutes_are_objects = (LLMute::OBJECT == type1 || LLMute::BY_NAME == type1) && (LLMute::OBJECT == type2 || LLMute::BY_NAME == type2);
+
+	// mute types may be different, but since both LLMute::BY_NAME and LLMute::OBJECT types represent objects
+	// it's needed to perform additional checking of both_mutes_are_objects variable
+	if (type1 != type2 && !both_mutes_are_objects)
+	{
+		// objects in block list go first, so return true if mute type is not an avatar
+		return LLMute::AGENT != type1;
+	}
+
+	return NAME_COMPARATOR.compare(blocked_item1, blocked_item2);
+}
diff --git a/indra/newview/llblocklist.h b/indra/newview/llblocklist.h
new file mode 100644
index 0000000000..1a215710f4
--- /dev/null
+++ b/indra/newview/llblocklist.h
@@ -0,0 +1,138 @@
+/**
+ * @file llblocklist.h
+ * @brief List of the blocked avatars and objects.
+ *
+ * $LicenseInfo:firstyear=2012&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2012, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+#ifndef LLBLOCKLIST_H_
+#define LLBLOCKLIST_H_
+
+#include "llflatlistview.h"
+#include "lllistcontextmenu.h"
+#include "llmutelist.h"
+#include "lltoggleablemenu.h"
+
+class LLBlockedListItem;
+class LLMute;
+
+/**
+ * List of blocked avatars and objects.
+ * This list represents contents of the LLMuteList.
+ * Each change in LLMuteList leads to rebuilding this list, so
+ * it's always in actual state.
+ */
+class LLBlockList: public LLFlatListViewEx, public LLMuteListObserver
+{
+	LOG_CLASS(LLBlockList);
+public:
+	struct Params : public LLInitParam::Block<Params, LLFlatListViewEx::Params>
+	{
+		Params(){};
+	};
+
+	LLBlockList(const Params& p);
+	virtual ~LLBlockList();
+
+	virtual BOOL 		handleRightMouseDown(S32 x, S32 y, MASK mask);
+	LLToggleableMenu*	getContextMenu() const { return mContextMenu.get(); }
+	LLBlockedListItem*	getBlockedItem() const;
+
+	virtual void onChange() { refresh(); }
+	virtual void draw();
+
+	void setNameFilter(const std::string& filter);
+	void sortByName();
+	void sortByType();
+	void refresh();
+
+private:
+
+	void addNewItem(const LLMute* mute);
+	void setDirty(bool dirty = true) { mDirty = dirty; }
+	bool findInsensitive(std::string haystack, const std::string& needle_upper);
+
+	bool isActionEnabled(const LLSD& userdata);
+	void onCustomAction (const LLSD& userdata);
+
+
+	LLHandle<LLToggleableMenu>	mContextMenu;
+
+	LLBlockedListItem*			mSelectedItem;
+	std::string 				mNameFilter;
+	bool 						mDirty;
+
+};
+
+
+/*
+ * Abstract comparator for blocked items
+ */
+class LLBlockListItemComparator : public LLFlatListView::ItemComparator
+{
+	LOG_CLASS(LLBlockListItemComparator);
+
+public:
+	LLBlockListItemComparator() {};
+	virtual ~LLBlockListItemComparator() {};
+
+	virtual bool compare(const LLPanel* item1, const LLPanel* item2) const;
+
+protected:
+
+	virtual bool doCompare(const LLBlockedListItem* blocked_item1, const LLBlockedListItem* blocked_item2) const = 0;
+};
+
+
+/*
+ * Compares items by name
+ */
+class LLBlockListNameComparator : public LLBlockListItemComparator
+{
+	LOG_CLASS(LLBlockListNameComparator);
+
+public:
+	LLBlockListNameComparator() {};
+	virtual ~LLBlockListNameComparator() {};
+
+protected:
+
+	virtual bool doCompare(const LLBlockedListItem* blocked_item1, const LLBlockedListItem* blocked_item2) const;
+};
+
+/*
+ * Compares items by type and then by name within type
+ * Objects come first then avatars
+ */
+class LLBlockListNameTypeComparator : public LLBlockListItemComparator
+{
+	LOG_CLASS(LLBlockListNameTypeComparator);
+
+public:
+	LLBlockListNameTypeComparator() {};
+	virtual ~LLBlockListNameTypeComparator() {};
+
+protected:
+
+	virtual bool doCompare(const LLBlockedListItem* blocked_item1, const LLBlockedListItem* blocked_item2) const;
+};
+
+#endif /* LLBLOCKLIST_H_ */
diff --git a/indra/newview/llbrowsernotification.cpp b/indra/newview/llbrowsernotification.cpp
index 6e77d1e336..19747757db 100644
--- a/indra/newview/llbrowsernotification.cpp
+++ b/indra/newview/llbrowsernotification.cpp
@@ -35,11 +35,13 @@
 
 using namespace LLNotificationsUI;
 
-bool LLBrowserNotification::processNotification(const LLSD& notify)
+LLBrowserNotification::LLBrowserNotification()
+	: LLSystemNotificationHandler("Browser", "browser")
 {
-	LLNotificationPtr notification = LLNotifications::instance().find(notify["id"].asUUID());
-	if (!notification) return false;
+}
 
+bool LLBrowserNotification::processNotification(const LLNotificationPtr& notification)
+{
 	LLUUID media_id = notification->getPayload()["media_id"].asUUID();
 	LLMediaCtrl* media_instance = LLMediaCtrl::getInstance(media_id);
 	if (media_instance)
diff --git a/indra/newview/llcallfloater.cpp b/indra/newview/llcallfloater.cpp
deleted file mode 100644
index f2375bfa4f..0000000000
--- a/indra/newview/llcallfloater.cpp
+++ /dev/null
@@ -1,821 +0,0 @@
-/** 
- * @file llcallfloater.cpp
- * @author Mike Antipov
- * @brief Voice Control Panel in a Voice Chats (P2P, Group, Nearby...).
- *
- * $LicenseInfo:firstyear=2009&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#include "llviewerprecompiledheaders.h"
-
-#include "llcallfloater.h"
-
-#include "llnotificationsutil.h"
-#include "lltrans.h"
-
-#include "llagent.h"
-#include "llagentdata.h" // for gAgentID
-#include "llavatarnamecache.h"
-#include "llavatariconctrl.h"
-#include "llavatarlist.h"
-#include "lldraghandle.h"
-#include "llimfloater.h"
-#include "llimview.h"
-#include "llfloaterreg.h"
-#include "llparticipantlist.h"
-#include "llspeakers.h"
-#include "lltextutil.h"
-#include "lltransientfloatermgr.h"
-#include "llviewercontrol.h"
-#include "llviewerdisplayname.h"
-#include "llviewerwindow.h"
-#include "llvoicechannel.h"
-#include "llviewerparcelmgr.h"
-#include "llfirstuse.h"
-
-static void get_voice_participants_uuids(uuid_vec_t& speakers_uuids);
-void reshape_floater(LLCallFloater* floater, S32 delta_height);
-
-class LLNonAvatarCaller : public LLAvatarListItem
-{
-public:
-	LLNonAvatarCaller() : LLAvatarListItem(false)
-	{
-
-	}
-	BOOL postBuild()
-	{
-		BOOL rv = LLAvatarListItem::postBuild();
-
-		if (rv)
-		{
-			setOnline(true);
-			showLastInteractionTime(false);
-			setShowProfileBtn(false);
-			setShowInfoBtn(false);
-			mAvatarIcon->setValue("Avaline_Icon");
-			mAvatarIcon->setToolTip(std::string(""));
-		}
-		return rv;
-	}
-
-	void setName(const std::string& name)
-	{
-		const std::string& formatted_phone = LLTextUtil::formatPhoneNumber(name);
-		LLAvatarListItem::setAvatarName(formatted_phone);
-		LLAvatarListItem::setAvatarToolTip(formatted_phone);
-	}
-
-	void setSpeakerId(const LLUUID& id) { mSpeakingIndicator->setSpeakerId(id); }
-};
-
-
-static void* create_non_avatar_caller(void*)
-{
-	return new LLNonAvatarCaller;
-}
-
-LLVoiceChannel* LLCallFloater::sCurrentVoiceChannel = NULL;
-
-LLCallFloater::LLCallFloater(const LLSD& key)
-: LLTransientDockableFloater(NULL, false, key)
-, mSpeakerManager(NULL)
-, mParticipants(NULL)
-, mAvatarList(NULL)
-, mNonAvatarCaller(NULL)
-, mVoiceType(VC_LOCAL_CHAT)
-, mAgentPanel(NULL)
-, mSpeakingIndicator(NULL)
-, mIsModeratorMutedVoice(false)
-, mInitParticipantsVoiceState(false)
-{
-	static LLUICachedControl<S32> voice_left_remove_delay ("VoiceParticipantLeftRemoveDelay", 10);
-	mSpeakerDelayRemover = new LLSpeakersDelayActionsStorage(boost::bind(&LLCallFloater::removeVoiceLeftParticipant, this, _1), voice_left_remove_delay);
-
-	mFactoryMap["non_avatar_caller"] = LLCallbackMap(create_non_avatar_caller, NULL);
-	LLVoiceClient::instance().addObserver(this);
-	LLTransientFloaterMgr::getInstance()->addControlView(this);
-
-	// update the agent's name if display name setting change
-	LLAvatarNameCache::addUseDisplayNamesCallback(boost::bind(&LLCallFloater::updateAgentModeratorState, this));
-	LLViewerDisplayName::addNameChangedCallback(boost::bind(&LLCallFloater::updateAgentModeratorState, this));
-
-}
-
-LLCallFloater::~LLCallFloater()
-{
-	resetVoiceRemoveTimers();
-	delete mSpeakerDelayRemover;
-
-	delete mParticipants;
-	mParticipants = NULL;
-
-	mAvatarListRefreshConnection.disconnect();
-	mVoiceChannelStateChangeConnection.disconnect();
-
-	if(LLVoiceClient::instanceExists())
-	{
-		LLVoiceClient::getInstance()->removeObserver(this);
-	}
-	LLTransientFloaterMgr::getInstance()->removeControlView(this);
-}
-
-// virtual
-BOOL LLCallFloater::postBuild()
-{
-	mAvatarList = getChild<LLAvatarList>("speakers_list");
-	mAvatarListRefreshConnection = mAvatarList->setRefreshCompleteCallback(boost::bind(&LLCallFloater::onAvatarListRefreshed, this));
-
-	childSetAction("leave_call_btn", boost::bind(&LLCallFloater::leaveCall, this));
-
-	mNonAvatarCaller = findChild<LLNonAvatarCaller>("non_avatar_caller");
-	mNonAvatarCaller->setVisible(FALSE);
-
-	initAgentData();
-
-	connectToChannel(LLVoiceChannel::getCurrentVoiceChannel());
-
-	updateTransparency(TT_ACTIVE); // force using active floater transparency (STORM-730)
-	
-	updateSession();
-	return TRUE;
-}
-
-// virtual
-void LLCallFloater::onOpen(const LLSD& /*key*/)
-{
-	LLFirstUse::speak(false);
-}
-
-// virtual
-void LLCallFloater::draw()
-{
-	// we have to refresh participants to display ones not in voice as disabled.
-	// It should be done only when she joins or leaves voice chat.
-	// But seems that LLVoiceClientParticipantObserver is not enough to satisfy this requirement.
-	// *TODO: mantipov: remove from draw()
-
-	// NOTE: it looks like calling onChange() here is not necessary,
-	// but sometime it is not called properly from the observable object.
-	// Seems this is a problem somewhere in Voice Client (LLVoiceClient::participantAddedEvent)
-//	onChange();
-
-	bool is_moderator_muted = LLVoiceClient::getInstance()->getIsModeratorMuted(gAgentID);
-
-	if (mIsModeratorMutedVoice != is_moderator_muted)
-	{
-		setModeratorMutedVoice(is_moderator_muted);
-	}
-
-	// Need to resort the participant list if it's in sort by recent speaker order.
-	if (mParticipants)
-		mParticipants->update();
-
-	LLFloater::draw();
-}
-
-// virtual
-void LLCallFloater::setFocus( BOOL b )
-{
-	LLFloater::setFocus(b);
-
-	// Force using active floater transparency (STORM-730).
-	// We have to override setFocus() for LLCallFloater because selecting an item
-	// of the voice morphing combobox causes the floater to lose focus and thus become transparent.
-	updateTransparency(TT_ACTIVE);
-}
-
-// virtual
-void LLCallFloater::onParticipantsChanged()
-{
-	if (NULL == mParticipants) return;
-	updateParticipantsVoiceState();
-
-	// Add newly joined participants.
-	uuid_vec_t speakers_uuids;
-	get_voice_participants_uuids(speakers_uuids);
-	for (uuid_vec_t::const_iterator it = speakers_uuids.begin(); it != speakers_uuids.end(); it++)
-	{
-		mParticipants->addAvatarIDExceptAgent(*it);
-	}
-}
-
-//////////////////////////////////////////////////////////////////////////
-/// PRIVATE SECTION
-//////////////////////////////////////////////////////////////////////////
-
-void LLCallFloater::leaveCall()
-{
-	LLVoiceChannel* voice_channel = LLVoiceChannel::getCurrentVoiceChannel();
-	if (voice_channel)
-	{
-		gIMMgr->endCall(voice_channel->getSessionID());
-	}
-}
-
-void LLCallFloater::updateSession()
-{
-	LLVoiceChannel* voice_channel = LLVoiceChannel::getCurrentVoiceChannel();
-	if (voice_channel)
-	{
-		LL_DEBUGS("Voice") << "Current voice channel: " << voice_channel->getSessionID() << LL_ENDL;
-
-		if (mSpeakerManager && voice_channel->getSessionID() == mSpeakerManager->getSessionID())
-		{
-			LL_DEBUGS("Voice") << "Speaker manager is already set for session: " << voice_channel->getSessionID() << LL_ENDL;
-			return;
-		}
-		else
-		{
-			mSpeakerManager = NULL;
-		}
-	}
-
-	const LLUUID& session_id = voice_channel ? voice_channel->getSessionID() : LLUUID::null;
-
-	LLIMModel::LLIMSession* im_session = LLIMModel::getInstance()->findIMSession(session_id);
-	if (im_session)
-	{
-		mSpeakerManager = LLIMModel::getInstance()->getSpeakerManager(session_id);
-		switch (im_session->mType)
-		{
-		case IM_NOTHING_SPECIAL:
-		case IM_SESSION_P2P_INVITE:
-			mVoiceType = VC_PEER_TO_PEER;
-
-			if (!im_session->mOtherParticipantIsAvatar)
-			{
-				mVoiceType = VC_PEER_TO_PEER_AVALINE;
-			}
-			break;
-		case IM_SESSION_CONFERENCE_START:
-		case IM_SESSION_GROUP_START:
-		case IM_SESSION_INVITE:
-			if (gAgent.isInGroup(session_id))
-			{
-				mVoiceType = VC_GROUP_CHAT;
-			}
-			else
-			{
-				mVoiceType = VC_AD_HOC_CHAT;				
-			}
-			break;
-		default:
-			llwarning("Failed to determine voice call IM type", 0);
-			mVoiceType = VC_GROUP_CHAT;
-			break;
-		}
-	}
-
-	if (NULL == mSpeakerManager)
-	{
-		// By default show nearby chat participants
-		mSpeakerManager = LLLocalSpeakerMgr::getInstance();
-		LL_DEBUGS("Voice") << "Set DEFAULT speaker manager" << LL_ENDL;
-		mVoiceType = VC_LOCAL_CHAT;
-	}
-
-	updateTitle();
-
-	// Hide "Leave Call" button for nearby chat
-	bool is_local_chat = mVoiceType == VC_LOCAL_CHAT;
-	getChildView("leave_call_btn_panel")->setVisible( !is_local_chat);
-
-	refreshParticipantList();
-	updateAgentModeratorState();
-
-	// Show floater for voice calls & only in CONNECTED to voice channel state
-	if (!is_local_chat &&
-	    voice_channel &&
-	    LLVoiceChannel::STATE_CONNECTED == voice_channel->getState())
-	{
-		LLIMFloater* im_floater = LLIMFloater::findInstance(session_id);
-		bool show_me = !(im_floater && im_floater->getVisible());
-		if (show_me) 
-		{
-			setVisible(true);
-		}
-	}
-}
-
-void LLCallFloater::refreshParticipantList()
-{
-	bool non_avatar_caller = VC_PEER_TO_PEER_AVALINE == mVoiceType;
-
-	if (non_avatar_caller)
-	{
-		LLIMModel::LLIMSession* session = LLIMModel::instance().findIMSession(mSpeakerManager->getSessionID());
-		mNonAvatarCaller->setSpeakerId(session->mOtherParticipantID);
-		mNonAvatarCaller->setName(session->mName);
-	}
-
-	mNonAvatarCaller->setVisible(non_avatar_caller);
-	mAvatarList->setVisible(!non_avatar_caller);
-
-	if (!non_avatar_caller)
-	{
-		llassert(mParticipants == NULL); // check for possible memory leak
-		mParticipants = new LLParticipantList(mSpeakerManager, mAvatarList, true, mVoiceType != VC_GROUP_CHAT && mVoiceType != VC_AD_HOC_CHAT, false);
-		mParticipants->setValidateSpeakerCallback(boost::bind(&LLCallFloater::validateSpeaker, this, _1));
-		const U32 speaker_sort_order = gSavedSettings.getU32("SpeakerParticipantDefaultOrder");
-		mParticipants->setSortOrder(LLParticipantList::EParticipantSortOrder(speaker_sort_order));
-		
-		if (LLLocalSpeakerMgr::getInstance() == mSpeakerManager)
-		{
-			mAvatarList->setNoItemsCommentText(getString("no_one_near"));
-		}
-
-		// we have to made delayed initialization of voice state of participant list.
-		// it will be performed after first LLAvatarList refreshing in the onAvatarListRefreshed().
-		mInitParticipantsVoiceState = true;
-	}
-}
-
-void LLCallFloater::onAvatarListRefreshed()
-{
-	if (mInitParticipantsVoiceState)
-	{
-		initParticipantsVoiceState();
-		mInitParticipantsVoiceState = false;
-	}
-	else
-	{
-		updateParticipantsVoiceState();
-	}
-}
-
-// static
-void LLCallFloater::sOnCurrentChannelChanged(const LLUUID& /*session_id*/)
-{
-	LLVoiceChannel* channel = LLVoiceChannel::getCurrentVoiceChannel();
-
-	// *NOTE: if signal was sent for voice channel with LLVoiceChannel::STATE_NO_CHANNEL_INFO
-	// it sill be sent for the same channel again (when state is changed).
-	// So, lets ignore this call.
-	if (channel == sCurrentVoiceChannel) return;
-
-	LLCallFloater* call_floater = LLFloaterReg::getTypedInstance<LLCallFloater>("voice_controls");
-
-	call_floater->connectToChannel(channel);
-}
-
-void LLCallFloater::onAvatarNameCache(const LLUUID& agent_id,
-									  const LLAvatarName& av_name)
-{
-	LLStringUtil::format_map_t args;
-	args["[NAME]"] = av_name.getCompleteName();
-	std::string title = getString("title_peer_2_peer", args);
-	setTitle(title);
-}
-
-void LLCallFloater::updateTitle()
-{
-	LLVoiceChannel* voice_channel = LLVoiceChannel::getCurrentVoiceChannel();
-	if (mVoiceType == VC_PEER_TO_PEER)
-	{
-		LLUUID session_id = voice_channel->getSessionID();
-		LLIMModel::LLIMSession* im_session =
-			LLIMModel::getInstance()->findIMSession(session_id);
-		if (im_session)
-		{
-			LLAvatarNameCache::get(im_session->mOtherParticipantID,
-				boost::bind(&LLCallFloater::onAvatarNameCache,
-					this, _1, _2));
-			return;
-		}
-	}
-	std::string title;
-	switch (mVoiceType)
-	{
-	case VC_LOCAL_CHAT:
-		title = getString("title_nearby");
-		break;
-	case VC_PEER_TO_PEER:
-	case VC_PEER_TO_PEER_AVALINE:
-		{
-			title = voice_channel->getSessionName();
-
-			if (VC_PEER_TO_PEER_AVALINE == mVoiceType)
-			{
-				title = LLTextUtil::formatPhoneNumber(title);
-			}
-
-			LLStringUtil::format_map_t args;
-			args["[NAME]"] = title;
-			title = getString("title_peer_2_peer", args);
-		}
-		break;
-	case VC_AD_HOC_CHAT:
-		title = getString("title_adhoc");
-		break;
-	case VC_GROUP_CHAT:
-		{
-			LLStringUtil::format_map_t args;
-			args["[GROUP]"] = voice_channel->getSessionName();
-			title = getString("title_group", args);
-		}
-		break;
-	}
-
-	setTitle(title);
-}
-
-void LLCallFloater::initAgentData()
-{
-	mAgentPanel = getChild<LLPanel> ("my_panel");
-
-	if ( mAgentPanel )
-	{
-		mAgentPanel->getChild<LLUICtrl>("user_icon")->setValue(gAgentID);
-
-		// Just use display name, because it's you
-		LLAvatarName av_name;
-		LLAvatarNameCache::get( gAgentID, &av_name );
-		mAgentPanel->getChild<LLUICtrl>("user_text")->setValue(av_name.mDisplayName);
-
-		mSpeakingIndicator = mAgentPanel->getChild<LLOutputMonitorCtrl>("speaking_indicator");
-		mSpeakingIndicator->setSpeakerId(gAgentID);
-	}
-}
-
-void LLCallFloater::setModeratorMutedVoice(bool moderator_muted)
-{
-	mIsModeratorMutedVoice = moderator_muted;
-
-	if (moderator_muted)
-	{
-		LLNotificationsUtil::add("VoiceIsMutedByModerator");
-	}
-	mSpeakingIndicator->setIsMuted(moderator_muted);
-}
-
-void LLCallFloater::onModeratorNameCache(const LLAvatarName& av_name)
-{
-	std::string name;
-	name = av_name.mDisplayName;
-
-	if(mSpeakerManager && gAgent.isInGroup(mSpeakerManager->getSessionID()))
-	{
-		// This method can be called when LLVoiceChannel.mState == STATE_NO_CHANNEL_INFO
-		// in this case there are not any speakers yet.
-		if (mSpeakerManager->findSpeaker(gAgentID))
-		{
-			// Agent is Moderator
-			if (mSpeakerManager->findSpeaker(gAgentID)->mIsModerator)
-
-			{
-				const std::string moderator_indicator(LLTrans::getString("IM_moderator_label")); 
-				name += " " + moderator_indicator;
-			}
-		}
-	}
-	mAgentPanel->getChild<LLUICtrl>("user_text")->setValue(name);
-}
-
-void LLCallFloater::updateAgentModeratorState()
-{
-	LLAvatarNameCache::get(gAgentID, boost::bind(&LLCallFloater::onModeratorNameCache, this, _2));
-}
-
-static void get_voice_participants_uuids(uuid_vec_t& speakers_uuids)
-{
-	// Get a list of participants from VoiceClient
-       std::set<LLUUID> participants;
-       LLVoiceClient::getInstance()->getParticipantList(participants);
-	
-	for (std::set<LLUUID>::const_iterator iter = participants.begin();
-		 iter != participants.end(); ++iter)
-	{
-		speakers_uuids.push_back(*iter);
-	}
-
-}
-
-void LLCallFloater::initParticipantsVoiceState()
-{
-	// Set initial status for each participant in the list.
-	std::vector<LLPanel*> items;
-	mAvatarList->getItems(items);
-	std::vector<LLPanel*>::const_iterator
-		it = items.begin(),
-		it_end = items.end();
-
-
-	uuid_vec_t speakers_uuids;
-	get_voice_participants_uuids(speakers_uuids);
-
-	for(; it != it_end; ++it)
-	{
-		LLAvatarListItem *item = dynamic_cast<LLAvatarListItem*>(*it);
-		
-		if (!item)	continue;
-		
-		LLUUID speaker_id = item->getAvatarId();
-
-		uuid_vec_t::const_iterator speaker_iter = std::find(speakers_uuids.begin(), speakers_uuids.end(), speaker_id);
-
-		// If an avatarID assigned to a panel is found in a speakers list
-		// obtained from VoiceClient we assign the JOINED status to the owner
-		// of this avatarID.
-		if (speaker_iter != speakers_uuids.end())
-		{
-			setState(item, STATE_JOINED);
-		}
-		else
-		{
-			LLPointer<LLSpeaker> speakerp = mSpeakerManager->findSpeaker(speaker_id);
-			// If someone has already left the call before, we create his
-			// avatar row panel with HAS_LEFT status and remove it after
-			// the timeout, otherwise we create a panel with INVITED status
-			if (speakerp.notNull() && speakerp.get()->mHasLeftCurrentCall)
-			{
-				setState(item, STATE_LEFT);
-			}
-			else
-			{
-				setState(item, STATE_INVITED);
-			}
-		}
-	}
-}
-
-void LLCallFloater::updateParticipantsVoiceState()
-{
-	uuid_vec_t speakers_list;
-
-	// Get a list of participants from VoiceClient
-	uuid_vec_t speakers_uuids;
-	get_voice_participants_uuids(speakers_uuids);
-
-	// Updating the status for each participant already in list.
-	std::vector<LLPanel*> items;
-	mAvatarList->getItems(items);
-	std::vector<LLPanel*>::const_iterator
-		it = items.begin(),
-		it_end = items.end();
-
-	for(; it != it_end; ++it)
-	{
-		LLAvatarListItem *item = dynamic_cast<LLAvatarListItem*>(*it);
-		if (!item) continue;
-
-		const LLUUID participant_id = item->getAvatarId();
-		bool found = false;
-
-		uuid_vec_t::iterator speakers_iter = std::find(speakers_uuids.begin(), speakers_uuids.end(), participant_id);
-
-		LL_DEBUGS("Voice") << "processing speaker: " << item->getAvatarName() << ", " << item->getAvatarId() << LL_ENDL;
-
-		// If an avatarID assigned to a panel is found in a speakers list
-		// obtained from VoiceClient we assign the JOINED status to the owner
-		// of this avatarID.
-		if (speakers_iter != speakers_uuids.end())
-		{
-			setState(item, STATE_JOINED);
-
-			LLPointer<LLSpeaker> speaker = mSpeakerManager->findSpeaker(participant_id);
-			if (speaker.isNull())
-				continue;
-			speaker->mHasLeftCurrentCall = FALSE;
-
-			speakers_uuids.erase(speakers_iter);
-			found = true;
-		}
-
-		if (!found)
-		{
-			updateNotInVoiceParticipantState(item);
-		}
-	}
-}
-
-void LLCallFloater::updateNotInVoiceParticipantState(LLAvatarListItem* item)
-{
-	LLUUID participant_id = item->getAvatarId();
-	ESpeakerState current_state = getState(participant_id);
-
-	switch (current_state)
-	{
-	case STATE_JOINED:
-		// If an avatarID is not found in a speakers list from VoiceClient and
-		// a panel with this ID has a JOINED status this means that this person
-		// HAS LEFT the call.
-		setState(item, STATE_LEFT);
-
-		{
-			LLPointer<LLSpeaker> speaker = mSpeakerManager->findSpeaker(participant_id);
-			if (speaker.notNull())
-			{
-				speaker->mHasLeftCurrentCall = TRUE;
-			}
-		}
-		break;
-	case STATE_LEFT:
-		// nothing to do. These states should not be changed.
-		break;
-	case STATE_INVITED:
-		// If avatar was invited into group chat and went offline it is still exists in mSpeakerStateMap
-		// If it goes online it will be rendered as JOINED via LAvatarListItem.
-		// Lets update its visual representation. See EXT-6660
-	case STATE_UNKNOWN:
-		// If an avatarID is not found in a speakers list from VoiceClient and
-		// a panel with this ID has an UNKNOWN status this means that this person
-		// HAS ENTERED session but it is not in voice chat yet. So, set INVITED status
-		setState(item, STATE_INVITED);
-		break;
-	default:
-		// for possible new future states.
-		llwarns << "Unsupported (" << getState(participant_id) << ") state for: " << item->getAvatarName()  << llendl;
-		break;
-	}
-}
-
-void LLCallFloater::setState(LLAvatarListItem* item, ESpeakerState state)
-{
-	// *HACK: mantipov: sometimes such situation is possible while switching to voice channel:
-/*
-	- voice channel is switched to the one user is joining
-	- participant list is initialized with voice states: agent is in voice
-	- than such log messages were found (with agent UUID)
-			- LLVivoxProtocolParser::process_impl: parsing: <Response requestId="22" action="Session.MediaDisconnect.1"><ReturnCode>0</ReturnCode><Results><StatusCode>0</StatusCode><StatusString /></Results><InputXml><Request requestId="22" action="Session.MediaDisconnect.1"><SessionGroupHandle>9</SessionGroupHandle><SessionHandle>12</SessionHandle><Media>Audio</Media></Request></InputXml></Response>
-			- LLVoiceClient::sessionState::removeParticipant: participant "sip:x2pwNkMbpR_mK4rtB_awASA==@bhr.vivox.com" (da9c0d90-c6e9-47f9-8ae2-bb41fdac0048) removed.
-	- and than while updating participants voice states agent is marked as HAS LEFT
-	- next updating of LLVoiceClient state makes agent JOINED
-	So, lets skip HAS LEFT state for agent's avatar
-*/
-	if (STATE_LEFT == state && item->getAvatarId() == gAgentID) return;
-
-	setState(item->getAvatarId(), state);
-
-	switch (state)
-	{
-	case STATE_INVITED:
-		item->setState(LLAvatarListItem::IS_VOICE_INVITED);
-		break;
-	case STATE_JOINED:
-		removeVoiceRemoveTimer(item->getAvatarId());
-		item->setState(LLAvatarListItem::IS_VOICE_JOINED);
-		break;
-	case STATE_LEFT:
-		{
-			setVoiceRemoveTimer(item->getAvatarId());
-			item->setState(LLAvatarListItem::IS_VOICE_LEFT);
-		}
-		break;
-	default:
-		llwarns << "Unrecognized avatar panel state (" << state << ")" << llendl;
-		break;
-	}
-}
-
-void LLCallFloater::setVoiceRemoveTimer(const LLUUID& voice_speaker_id)
-{
-	mSpeakerDelayRemover->setActionTimer(voice_speaker_id);
-}
-
-bool LLCallFloater::removeVoiceLeftParticipant(const LLUUID& voice_speaker_id)
-{
-	uuid_vec_t& speaker_uuids = mAvatarList->getIDs();
-	uuid_vec_t::iterator pos = std::find(speaker_uuids.begin(), speaker_uuids.end(), voice_speaker_id);
-	if(pos != speaker_uuids.end())
-	{
-		speaker_uuids.erase(pos);
-		mAvatarList->setDirty();
-	}
-
-	return false;
-}
-
-
-void LLCallFloater::resetVoiceRemoveTimers()
-{
-	mSpeakerDelayRemover->removeAllTimers();
-}
-
-void LLCallFloater::removeVoiceRemoveTimer(const LLUUID& voice_speaker_id)
-{
-	mSpeakerDelayRemover->unsetActionTimer(voice_speaker_id);
-}
-
-bool LLCallFloater::validateSpeaker(const LLUUID& speaker_id)
-{
-	bool is_valid = true;
-	switch (mVoiceType)
-	{
-	case  VC_LOCAL_CHAT:
-		{
-			// A nearby chat speaker is considered valid it it's known to LLVoiceClient (i.e. has enabled voice).
-			uuid_vec_t speakers;
-			get_voice_participants_uuids(speakers);
-			is_valid = std::find(speakers.begin(), speakers.end(), speaker_id) != speakers.end();
-		}
-		break;
-	case VC_GROUP_CHAT:
-		// if participant had left this call before do not allow add her again. See EXT-4216.
-		// but if she Join she will be added into the list from the LLCallFloater::onChange()
-		is_valid = STATE_LEFT != getState(speaker_id);
-		break;
-	default:
-		// do nothing. required for Linux build
-		break;
-	}
-
-	return is_valid;
-}
-
-void LLCallFloater::connectToChannel(LLVoiceChannel* channel)
-{
-	mVoiceChannelStateChangeConnection.disconnect();
-
-	sCurrentVoiceChannel = channel;
-
-	mVoiceChannelStateChangeConnection = sCurrentVoiceChannel->setStateChangedCallback(boost::bind(&LLCallFloater::onVoiceChannelStateChanged, this, _1, _2));
-
-	updateState(channel->getState());
-}
-
-void LLCallFloater::onVoiceChannelStateChanged(const LLVoiceChannel::EState& old_state, const LLVoiceChannel::EState& new_state)
-{
-	// check is voice operational and if it doesn't work hide VCP (EXT-4397)
-	if(LLVoiceClient::getInstance()->voiceEnabled() && LLVoiceClient::getInstance()->isVoiceWorking())
-	{
-		updateState(new_state);
-	}
-	else
-	{
-		closeFloater();
-	}
-}
-
-void LLCallFloater::updateState(const LLVoiceChannel::EState& new_state)
-{
-	LL_DEBUGS("Voice") << "Updating state: " << new_state << ", session name: " << sCurrentVoiceChannel->getSessionName() << LL_ENDL;
-	if (LLVoiceChannel::STATE_CONNECTED == new_state)
-	{
-		updateSession();
-	}
-	else
-	{
-		reset(new_state);
-	}
-}
-
-void LLCallFloater::reset(const LLVoiceChannel::EState& new_state)
-{
-	// lets forget states from the previous session
-	// for timers...
-	resetVoiceRemoveTimers();
-
-	// ...and for speaker state
-	mSpeakerStateMap.clear();
-
-	delete mParticipants;
-	mParticipants = NULL;
-	mAvatarList->clear();
-
-	// These ifs were added instead of simply showing "loading" to make VCP work correctly in parcels
-	// with disabled voice (EXT-4648 and EXT-4649)
-	if (!LLViewerParcelMgr::getInstance()->allowAgentVoice() && LLVoiceChannel::STATE_HUNG_UP == new_state)
-	{
-		// hides "Leave Call" when call is ended in parcel with disabled voice- hiding usually happens in
-		// updateSession() which won't be called here because connect to nearby voice never happens 
-		getChildView("leave_call_btn_panel")->setVisible( false);
-		// setting title to nearby chat an "no one near..." text- because in region with disabled
-		// voice we won't have chance to really connect to nearby, so VCP is changed here manually
-		setTitle(getString("title_nearby"));
-		mAvatarList->setNoItemsCommentText(getString("no_one_near"));
-	}
-	// "loading" is shown  only when state is "ringing" to avoid showing it in nearby chat vcp
-	// of parcels with disabled voice all the time- "no_one_near" is now shown there (EXT-4648)
-	else if (new_state == LLVoiceChannel::STATE_RINGING)
-	{
-		// update floater to show Loading while waiting for data.
-		mAvatarList->setNoItemsCommentText(LLTrans::getString("LoadingData"));
-	}
-
-	mAvatarList->setVisible(TRUE);
-	mNonAvatarCaller->setVisible(FALSE);
-
-	mSpeakerManager = NULL;
-}
-
-//EOF
diff --git a/indra/newview/llcallfloater.h b/indra/newview/llcallfloater.h
deleted file mode 100644
index 00a3f76e56..0000000000
--- a/indra/newview/llcallfloater.h
+++ /dev/null
@@ -1,273 +0,0 @@
-/** 
- * @file llcallfloater.h
- * @author Mike Antipov
- * @brief Voice Control Panel in a Voice Chats (P2P, Group, Nearby...).
- *
- * $LicenseInfo:firstyear=2009&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#ifndef LL_LLCALLFLOATER_H
-#define LL_LLCALLFLOATER_H
-
-#include "lltransientdockablefloater.h"
-#include "llvoicechannel.h"
-#include "llvoiceclient.h"
-
-class LLAvatarList;
-class LLAvatarListItem;
-class LLAvatarName;
-class LLNonAvatarCaller;
-class LLOutputMonitorCtrl;
-class LLParticipantList;
-class LLSpeakerMgr;
-class LLSpeakersDelayActionsStorage;
-
-/**
- * The Voice Control Panel is an ambient window summoned by clicking the flyout chevron
- * on the Speak button. It can be torn-off and freely positioned onscreen.
- *
- * When the Resident is engaged in Voice Chat, the Voice Control Panel provides control
- * over the audible volume of each of the other participants, the Resident's own Voice
- * Morphing settings (if she has subscribed to enable the feature), and Voice Recording.
- *
- * When the Resident is engaged in any chat except Nearby Chat, the Voice Control Panel
- * also provides a 'Leave Call' button to allow the Resident to leave that voice channel.
- */
-class LLCallFloater : public LLTransientDockableFloater, LLVoiceClientParticipantObserver
-{
-public:
-
-	LOG_CLASS(LLCallFloater);
-
-	LLCallFloater(const LLSD& key);
-	~LLCallFloater();
-
-	/*virtual*/ BOOL postBuild();
-	/*virtual*/ void onOpen(const LLSD& key);
-	/*virtual*/ void draw();
-	/*virtual*/ void setFocus( BOOL b );
-
-	/**
-	 * Is called by LLVoiceClient::notifyParticipantObservers when voice participant list is changed.
-	 *
-	 * Refreshes list to display participants not in voice as disabled.
-	 */
-	/*virtual*/ void onParticipantsChanged();
-
-	static void sOnCurrentChannelChanged(const LLUUID& session_id);
-
-private:
-	typedef enum e_voice_controls_type
-	{
-		VC_LOCAL_CHAT,
-		VC_GROUP_CHAT,
-		VC_AD_HOC_CHAT,
-		VC_PEER_TO_PEER,
-		VC_PEER_TO_PEER_AVALINE
-	}EVoiceControls;
-
-	typedef enum e_speaker_state
-	{
-		STATE_UNKNOWN,
-		STATE_INVITED,
-		STATE_JOINED,
-		STATE_LEFT,
-	} ESpeakerState;
-
-	typedef std::map<LLUUID, ESpeakerState> speaker_state_map_t;
-
-	void leaveCall();
-
-	/**
-	 * Updates mSpeakerManager and list according to current Voice Channel
-	 *
-	 * It compares mSpeakerManager & current Voice Channel session IDs.
-	 * If they are different gets Speaker manager related to current channel and updates channel participant list.
-	 */
-	void updateSession();
-
-	/**
-	 * Refreshes participant list according to current Voice Channel
-	 */
-	void refreshParticipantList();
-
-	/**
-	 * Handles event on avatar list is refreshed after it was marked dirty.
-	 *
-	 * It sets initial participants voice states (once after the first refreshing)
-	 * and updates voice states each time anybody is joined/left voice chat in session.
-	 */
-	void onAvatarListRefreshed();
-
-	/**
-	 * Updates window title with an avatar name
-	 */
-	void onAvatarNameCache(const LLUUID& agent_id, const LLAvatarName& av_name);
-	
-	void updateTitle();
-	void initAgentData();
-	void setModeratorMutedVoice(bool moderator_muted);
-	void updateAgentModeratorState();
-	void onModeratorNameCache(const LLAvatarName& av_name);
-
-	/**
-	 * Sets initial participants voice states in avatar list (Invited, Joined, Has Left).
-	 *
-	 * @see refreshParticipantList()
-	 * @see onAvatarListRefreshed()
-	 * @see mInitParticipantsVoiceState
-	 */
-	void initParticipantsVoiceState();
-
-	/**
-	 * Updates participants voice states in avatar list (Invited, Joined, Has Left).
-	 *
-	 * @see onAvatarListRefreshed()
-	 * @see onChanged()
-	 */
-	void updateParticipantsVoiceState();
-
-	/**
-	 * Updates voice state of participant not in current voice channel depend on its current state.
-	 */
-	void updateNotInVoiceParticipantState(LLAvatarListItem* item);
-	void setState(LLAvatarListItem* item, ESpeakerState state);
-	void setState(const LLUUID& speaker_id, ESpeakerState state)
-	{
-		lldebugs << "Storing state: " << speaker_id << ", " << state << llendl;
-		mSpeakerStateMap[speaker_id] = state;
-	}
-
-	ESpeakerState getState(const LLUUID& speaker_id)
-	{
-		lldebugs << "Getting state: " << speaker_id << ", " << mSpeakerStateMap[speaker_id] << llendl;
-
-		return mSpeakerStateMap[speaker_id];
-	}
-
-	/**
-	 * Instantiates new LLAvatarListItemRemoveTimer and adds it into the map if it is not already created.
-	 *
-	 * @param voice_speaker_id LLUUID of Avatar List item to be removed from the list when timer expires.
-	 */
-	void setVoiceRemoveTimer(const LLUUID& voice_speaker_id);
-
-	/**
-	 * Removes specified by UUID Avatar List item.
-	 *
-	 * @param voice_speaker_id LLUUID of Avatar List item to be removed from the list.
-	 */
-	bool removeVoiceLeftParticipant(const LLUUID& voice_speaker_id);
-
-	/**
-	 * Deletes all timers from the list to prevent started timers from ticking after destruction
-	 * and after switching on another voice channel.
-	 */
-	void resetVoiceRemoveTimers();
-
-	/**
-	 * Removes specified by UUID timer from the map.
-	 *
-	 * @param voice_speaker_id LLUUID of Avatar List item whose timer should be removed from the map.
-	 */
-	void removeVoiceRemoveTimer(const LLUUID& voice_speaker_id);
-
-	/**
-	 * Called by LLParticipantList before adding a speaker to the participant list.
-	 *
-	 * If false is returned, the speaker will not be added to the list.
-	 *
-	 * @param speaker_id Speaker to validate.
-	 * @return true if this is a valid speaker, false otherwise.
-	 */
-	bool validateSpeaker(const LLUUID& speaker_id);
-
-	/**
-	 * Connects to passed channel to be updated according to channel's voice states.
-	 */
-	void connectToChannel(LLVoiceChannel* channel);
-
-	/**
-	 * Callback to process changing of voice channel's states.
-	 */
-	void onVoiceChannelStateChanged(const LLVoiceChannel::EState& old_state, const LLVoiceChannel::EState& new_state);
-
-	/**
-	 * Updates floater according to passed channel's voice state.
-	 */
-	void updateState(const LLVoiceChannel::EState& new_state);
-
-	/**
-	 * Resets floater to be ready to show voice participants.
-	 *
-	 * Clears all data from the latest voice session.
-	 */
-	void reset(const LLVoiceChannel::EState& new_state);
-
-private:
-	speaker_state_map_t mSpeakerStateMap;
-	LLSpeakerMgr* mSpeakerManager;
-	LLParticipantList* mParticipants;
-	LLAvatarList* mAvatarList;
-	LLNonAvatarCaller* mNonAvatarCaller;
-	EVoiceControls mVoiceType;
-	LLPanel* mAgentPanel;
-	LLOutputMonitorCtrl* mSpeakingIndicator;
-	bool mIsModeratorMutedVoice;
-
-	/**
-	 * Flag indicated that participants voice states should be initialized.
-	 *
-	 * It is used due to Avatar List has delayed refreshing after it content is changed.
-	 * Real initializing is performed when Avatar List is first time refreshed.
-	 *
-	 * @see onAvatarListRefreshed()
-	 * @see initParticipantsVoiceState()
-	 */
-	bool mInitParticipantsVoiceState;
-
-	boost::signals2::connection mAvatarListRefreshConnection;
-
-
-	/**
-	 * time out speakers when they are not part of current session
-	 */
-	LLSpeakersDelayActionsStorage* mSpeakerDelayRemover;
-
-	/**
-	 * Stores reference to current voice channel.
-	 *
-	 * Is used to ignore voice channel changed callback for the same channel.
-	 *
-	 * @see sOnCurrentChannelChanged()
-	 */
-	static LLVoiceChannel* sCurrentVoiceChannel;
-
-	/* virtual */
-	LLTransientFloaterMgr::ETransientGroup getGroup() { return LLTransientFloaterMgr::IM; }
-
-	boost::signals2::connection mVoiceChannelStateChangeConnection;
-};
-
-
-#endif //LL_LLCALLFLOATER_H
-
diff --git a/indra/newview/llcallingcard.cpp b/indra/newview/llcallingcard.cpp
index 0d55c4429a..30306b230f 100644
--- a/indra/newview/llcallingcard.cpp
+++ b/indra/newview/llcallingcard.cpp
@@ -54,6 +54,7 @@
 #include "llresmgr.h"
 #include "llslurl.h"
 #include "llimview.h"
+#include "lltrans.h"
 #include "llviewercontrol.h"
 #include "llviewernetwork.h"
 #include "llviewerobjectlist.h"
@@ -703,9 +704,7 @@ void LLAvatarTracker::processNotify(LLMessageSystem* msg, bool online)
 		if(chat_notify)
 		{
 			// Look up the name of this agent for the notification
-			LLAvatarNameCache::get(agent_id,
-				boost::bind(&on_avatar_name_cache_notify,
-					_1, _2, online, payload));
+			LLAvatarNameCache::get(agent_id,boost::bind(&on_avatar_name_cache_notify,_1, _2, online, payload));
 		}
 
 		mModifyMask |= LLFriendObserver::ONLINE;
@@ -722,13 +721,14 @@ static void on_avatar_name_cache_notify(const LLUUID& agent_id,
 	// Popup a notify box with online status of this agent
 	// Use display name only because this user is your friend
 	LLSD args;
-	args["NAME"] = av_name.mDisplayName;
+	args["NAME"] = av_name.getDisplayName();
+	args["STATUS"] = online ? LLTrans::getString("OnlineStatus") : LLTrans::getString("OfflineStatus");
 
 	LLNotificationPtr notification;
 	if (online)
 	{
 		notification =
-			LLNotificationsUtil::add("FriendOnline",
+			LLNotificationsUtil::add("FriendOnlineOffline",
 									 args,
 									 payload.with("respond_on_mousedown", TRUE),
 									 boost::bind(&LLAvatarActions::startIM, agent_id));
@@ -736,7 +736,7 @@ static void on_avatar_name_cache_notify(const LLUUID& agent_id,
 	else
 	{
 		notification =
-			LLNotificationsUtil::add("FriendOffline", args, payload);
+			LLNotificationsUtil::add("FriendOnlineOffline", args, payload);
 	}
 
 	// If there's an open IM session with this agent, send a notification there too.
@@ -867,7 +867,7 @@ bool LLCollectMappableBuddies::operator()(const LLUUID& buddy_id, LLRelationship
 {
 	LLAvatarName av_name;
 	LLAvatarNameCache::get( buddy_id, &av_name);
-	buddy_map_t::value_type value(av_name.mDisplayName, buddy_id);
+	buddy_map_t::value_type value(av_name.getDisplayName(), buddy_id);
 	if(buddy->isOnline() && buddy->isRightGrantedFrom(LLRelationship::GRANT_MAP_LOCATION))
 	{
 		mMappable.insert(value);
@@ -890,7 +890,7 @@ bool LLCollectAllBuddies::operator()(const LLUUID& buddy_id, LLRelationship* bud
 {
 	LLAvatarName av_name;
 	LLAvatarNameCache::get(buddy_id, &av_name);
-	mFullName = av_name.mDisplayName;
+	mFullName = av_name.getDisplayName();
 	buddy_map_t::value_type value(mFullName, buddy_id);
 	if(buddy->isOnline())
 	{
diff --git a/indra/newview/llchannelmanager.cpp b/indra/newview/llchannelmanager.cpp
index 987651fc80..43757d0174 100644
--- a/indra/newview/llchannelmanager.cpp
+++ b/indra/newview/llchannelmanager.cpp
@@ -29,7 +29,8 @@
 #include "llchannelmanager.h"
 
 #include "llappviewer.h"
-#include "llnotificationstorage.h"
+#include "lldonotdisturbnotificationstorage.h"
+#include "llpersistentnotificationstorage.h"
 #include "llviewercontrol.h"
 #include "llviewerwindow.h"
 #include "llrootview.h"
@@ -138,6 +139,9 @@ void LLChannelManager::onLoginCompleted()
 	}
 
 	LLPersistentNotificationStorage::getInstance()->loadNotifications();
+
+	LLDoNotDisturbNotificationStorage::getInstance()->initialize();
+	LLDoNotDisturbNotificationStorage::getInstance()->loadNotifications();
 }
 
 //--------------------------------------------------------------------------
diff --git a/indra/newview/llchatbar.cpp b/indra/newview/llchatbar.cpp
index d6095cce07..7d0331757b 100644
--- a/indra/newview/llchatbar.cpp
+++ b/indra/newview/llchatbar.cpp
@@ -669,47 +669,3 @@ void LLChatBar::onCommitGesture(LLUICtrl* ctrl)
 		mGestureCombo->setFocus(FALSE);
 	}
 }
-
-
-/* Cruft - global gChatHandler declared below has been commented out,
-   so this class is never used.  See similar code in llnearbychatbar.cpp
-class LLChatHandler : public LLCommandHandler
-{
-public:
-	// not allowed from outside the app
-	LLChatHandler() : LLCommandHandler("chat", UNTRUSTED_BLOCK) { }
-
-    // Your code here
-	bool handle(const LLSD& tokens, const LLSD& query_map,
-				LLMediaCtrl* web)
-	{
-		bool retval = false;
-		// Need at least 2 tokens to have a valid message.
-		if (tokens.size() < 2) 
-		{
-			retval = false;
-		}
-		else
-		{
-		S32 channel = tokens[0].asInteger();
-			// VWR-19499 Restrict function to chat channels greater than 0.
-			if ((channel > 0) && (channel < CHAT_CHANNEL_DEBUG))
-			{
-				retval = true;
-				// Say mesg on channel
-		std::string mesg = tokens[1].asString();
-		send_chat_from_viewer(mesg, CHAT_TYPE_NORMAL, channel);
-			}
-			else
-			{
-				retval = false;
-				// Tell us this is an unsupported SLurl.
-			}
-		}
-		return retval;
-	}
-};
-
-// Creating the object registers with the dispatcher.
-//LLChatHandler gChatHandler;
-cruft */
diff --git a/indra/newview/llchathistory.cpp b/indra/newview/llchathistory.cpp
index 84e73e96fa..3f959c0510 100644
--- a/indra/newview/llchathistory.cpp
+++ b/indra/newview/llchathistory.cpp
@@ -28,6 +28,8 @@
 
 #include "llchathistory.h"
 
+#include <boost/signals2.hpp>
+
 #include "llavatarnamecache.h"
 #include "llinstantmessage.h"
 
@@ -110,7 +112,8 @@ public:
 		mFrom(),
 		mSessionID(),
 		mMinUserNameWidth(0),
-		mUserNameFont(NULL)
+		mUserNameFont(NULL),
+		mAvatarNameCacheConnection()
 	{}
 
 	static LLChatHistoryHeader* createInstance(const std::string& file_name)
@@ -124,6 +127,11 @@ public:
 	{
 		// Detach the info button so that it doesn't get destroyed (EXT-8463).
 		hideInfoCtrl();
+
+		if (mAvatarNameCacheConnection.connected())
+		{
+			mAvatarNameCacheConnection.disconnect();
+		}
 	}
 
 	BOOL handleMouseUp(S32 x, S32 y, MASK mask)
@@ -143,7 +151,8 @@ public:
 		{
 			LLMuteList::getInstance()->add(LLMute(getAvatarId(), mFrom, LLMute::OBJECT));
 
-			LLFloaterSidePanelContainer::showPanel("people", "panel_block_list_sidetray", LLSD().with("blocked_to_select", getAvatarId()));
+			LLFloaterSidePanelContainer::showPanel("people", "panel_people",
+				LLSD().with("people_panel_tab_name", "blocked_panel").with("blocked_to_select", getAvatarId()));
 		}
 	}
 
@@ -282,8 +291,7 @@ public:
 			// Start with blank so sample data from XUI XML doesn't
 			// flash on the screen
 			user_name->setValue( LLSD() );
-			LLAvatarNameCache::get(mAvatarID,
-				boost::bind(&LLChatHistoryHeader::onAvatarNameCache, this, _1, _2));
+			fetchAvatarName();
 		}
 		else if (chat.mChatStyle == CHAT_STYLE_HISTORY ||
 				 mSourceType == CHAT_SOURCE_AGENT)
@@ -415,31 +423,6 @@ public:
 		}
 	}
 
-	void onAvatarNameCache(const LLUUID& agent_id, const LLAvatarName& av_name)
-	{
-		mFrom = av_name.mDisplayName;
-
-		LLTextBox* user_name = getChild<LLTextBox>("user_name");
-		user_name->setValue( LLSD(av_name.mDisplayName ) );
-		user_name->setToolTip( av_name.mUsername );
-
-		if (gSavedSettings.getBOOL("NameTagShowUsernames") && 
-			LLAvatarNameCache::useDisplayNames() &&
-			!av_name.mIsDisplayNameDefault)
-		{
-			LLStyle::Params style_params_name;
-			LLColor4 userNameColor = LLUIColorTable::instance().getColor("EmphasisColor");
-			style_params_name.color(userNameColor);
-			style_params_name.font.name("SansSerifSmall");
-			style_params_name.font.style("NORMAL");
-			style_params_name.readonly_color(userNameColor);
-			user_name->appendText("  - " + av_name.mUsername, FALSE, style_params_name);
-		}
-		setToolTip( av_name.mUsername );
-		// name might have changed, update width
-		updateMinUserNameWidth();
-	}
-
 protected:
 	static const S32 PADDING = 20;
 
@@ -554,6 +537,46 @@ private:
 		user_name->reshape(user_rect.getWidth() + delta_pos_x, user_rect.getHeight());
 	}
 
+	void fetchAvatarName()
+	{
+		if (mAvatarID.notNull())
+		{
+			if (mAvatarNameCacheConnection.connected())
+			{
+				mAvatarNameCacheConnection.disconnect();
+			}
+			mAvatarNameCacheConnection = LLAvatarNameCache::get(mAvatarID,
+				boost::bind(&LLChatHistoryHeader::onAvatarNameCache, this, _1, _2));
+		}
+	}
+
+	void onAvatarNameCache(const LLUUID& agent_id, const LLAvatarName& av_name)
+	{
+		mAvatarNameCacheConnection.disconnect();
+
+		mFrom = av_name.getDisplayName();
+
+		LLTextBox* user_name = getChild<LLTextBox>("user_name");
+		user_name->setValue( LLSD(av_name.getDisplayName() ) );
+		user_name->setToolTip( av_name.getUserName() );
+
+		if (gSavedSettings.getBOOL("NameTagShowUsernames") && 
+			av_name.useDisplayNames() &&
+			!av_name.isDisplayNameDefault())
+		{
+			LLStyle::Params style_params_name;
+			LLColor4 userNameColor = LLUIColorTable::instance().getColor("EmphasisColor");
+			style_params_name.color(userNameColor);
+			style_params_name.font.name("SansSerifSmall");
+			style_params_name.font.style("NORMAL");
+			style_params_name.readonly_color(userNameColor);
+			user_name->appendText("  - " + av_name.getUserName(), FALSE, style_params_name);
+		}
+		setToolTip( av_name.getUserName() );
+		// name might have changed, update width
+		updateMinUserNameWidth();
+	}
+
 protected:
 	LLHandle<LLView>	mPopupMenuHandleAvatar;
 	LLHandle<LLView>	mPopupMenuHandleObject;
@@ -568,6 +591,9 @@ protected:
 
 	S32					mMinUserNameWidth;
 	const LLFontGL*		mUserNameFont;
+
+private:
+	boost::signals2::connection mAvatarNameCacheConnection;
 };
 
 LLUICtrl* LLChatHistoryHeader::sInfoCtrl = NULL;
@@ -584,7 +610,8 @@ LLChatHistory::LLChatHistory(const LLChatHistory::Params& p)
 	mBottomSeparatorPad(p.bottom_separator_pad),
 	mTopHeaderPad(p.top_header_pad),
 	mBottomHeaderPad(p.bottom_header_pad),
-	mIsLastMessageFromLog(false)
+	mIsLastMessageFromLog(false),
+	mNotifyAboutUnreadMsg(p.notify_unread_msg)
 {
 	LLTextEditor::Params editor_params(p);
 	editor_params.rect = getLocalRect();
@@ -594,6 +621,14 @@ LLChatHistory::LLChatHistory(const LLChatHistory::Params& p)
 	mEditor = LLUICtrlFactory::create<LLTextEditor>(editor_params, this);
 }
 
+LLSD LLChatHistory::getValue() const
+{
+  LLSD* text=new LLSD(); 
+  text->assign(mEditor->getText());
+  return *text;
+    
+}
+
 LLChatHistory::~LLChatHistory()
 {
 	this->clear();
@@ -695,6 +730,7 @@ void LLChatHistory::appendMessage(const LLChat& chat, const LLSD &args, const LL
 {
 	LLFastTimer _(FTM_APPEND_MESSAGE);
 	bool use_plain_text_chat_history = args["use_plain_text_chat_history"].asBoolean();
+	bool square_brackets = false; // square brackets necessary for a system messages
 
 	llassert(mEditor);
 	if (!mEditor)
@@ -702,9 +738,10 @@ void LLChatHistory::appendMessage(const LLChat& chat, const LLSD &args, const LL
 		return;
 	}
 
+	bool from_me = chat.mFromID == gAgent.getID();
 	mEditor->setPlainText(use_plain_text_chat_history);
 
-	if (!mEditor->scrolledToEnd() && chat.mFromID != gAgent.getID() && !chat.mFromName.empty())
+	if (mNotifyAboutUnreadMsg && !mEditor->scrolledToEnd() && !from_me && !chat.mFromName.empty())
 	{
 		mUnreadChatSources.insert(chat.mFromName);
 		mMoreChatPanel->setVisible(TRUE);
@@ -734,16 +771,23 @@ void LLChatHistory::appendMessage(const LLChat& chat, const LLSD &args, const LL
 	}
 
 	LLColor4 txt_color = LLUIColorTable::instance().getColor("White");
+	LLColor4 name_color(txt_color);
+
 	LLViewerChat::getChatColor(chat,txt_color);
 	LLFontGL* fontp = LLViewerChat::getChatFont();	
 	std::string font_name = LLFontGL::nameFromFont(fontp);
 	std::string font_size = LLFontGL::sizeFromFont(fontp);	
-	LLStyle::Params style_params;
-	style_params.color(txt_color);
-	style_params.readonly_color(txt_color);
-	style_params.font.name(font_name);
-	style_params.font.size(font_size);	
-	style_params.font.style(input_append_params.font.style);
+
+	LLStyle::Params body_message_params;
+	body_message_params.color(txt_color);
+	body_message_params.readonly_color(txt_color);
+	body_message_params.font.name(font_name);
+	body_message_params.font.size(font_size);
+	body_message_params.font.style(input_append_params.font.style);
+
+	LLStyle::Params name_params(body_message_params);
+	name_params.color(name_color);
+	name_params.readonly_color(name_color);
 
 	std::string prefix = chat.mText.substr(0, 4);
 
@@ -766,29 +810,51 @@ void LLChatHistory::appendMessage(const LLChat& chat, const LLSD &args, const LL
 	if (irc_me || chat.mChatStyle == CHAT_STYLE_IRC)
 	{
 		delimiter = LLStringUtil::null;
-		style_params.font.style = "ITALIC";
+		body_message_params.font.style = "ITALIC";
 	}
 
 	bool message_from_log = chat.mChatStyle == CHAT_STYLE_HISTORY;
 	// We graying out chat history by graying out messages that contains full date in a time string
 	if (message_from_log)
 	{
-		style_params.color(LLColor4::grey);
-		style_params.readonly_color(LLColor4::grey);
+		txt_color = LLColor4::grey;
+		body_message_params.color(txt_color);
+		body_message_params.readonly_color(txt_color);
+		name_params.color(txt_color);
+		name_params.readonly_color(txt_color);
 	}
 
+	bool prependNewLineState = mEditor->getText().size() != 0;
+
+	// compact mode: show a timestamp and name
 	if (use_plain_text_chat_history)
 	{
-		LLStyle::Params timestamp_style(style_params);
+		square_brackets = chat.mFromName == SYSTEM_FROM;
+
+		LLStyle::Params timestamp_style(body_message_params);
+
+		// out of the timestamp
+		if (args["show_time"].asBoolean())
+		{
 		if (!message_from_log)
 		{
 			LLColor4 timestamp_color = LLUIColorTable::instance().getColor("ChatTimestampColor");
 			timestamp_style.color(timestamp_color);
 			timestamp_style.readonly_color(timestamp_color);
 		}
-		mEditor->appendText("[" + chat.mTimeStr + "] ", mEditor->getLength() != 0, timestamp_style);
+			mEditor->appendText("[" + chat.mTimeStr + "] ", prependNewLineState, timestamp_style);
+			prependNewLineState = false;
+		}
+
+        // out the opening square bracket (if need)
+		if (square_brackets)
+		{
+			mEditor->appendText("[", prependNewLineState, body_message_params);
+			prependNewLineState = false;
+		}
 
-		if (utf8str_trim(chat.mFromName).size() != 0)
+		// names showing
+		if (args["show_names_for_p2p_conv"].asBoolean() && utf8str_trim(chat.mFromName).size() != 0)
 		{
 			// Don't hotlink any messages from the system (e.g. "Second Life:"), so just add those in plain text.
 			if ( chat.mSourceType == CHAT_SOURCE_OBJECT && chat.mFromID.notNull())
@@ -798,32 +864,47 @@ void LLChatHistory::appendMessage(const LLChat& chat, const LLSD &args, const LL
 
 				// set the link for the object name to be the objectim SLapp
 				// (don't let object names with hyperlinks override our objectim Url)
-				LLStyle::Params link_params(style_params);
+				LLStyle::Params link_params(body_message_params);
 				LLColor4 link_color = LLUIColorTable::instance().getColor("HTMLLinkColor");
 				link_params.color = link_color;
 				link_params.readonly_color = link_color;
 				link_params.is_link = true;
 				link_params.link_href = url;
 
-				mEditor->appendText(chat.mFromName + delimiter,
-									false, link_params);
+				mEditor->appendText(chat.mFromName + delimiter, prependNewLineState, link_params);
+				prependNewLineState = false;
 			}
 			else if ( chat.mFromName != SYSTEM_FROM && chat.mFromID.notNull() && !message_from_log)
 			{
-				LLStyle::Params link_params(style_params);
+				LLStyle::Params link_params(body_message_params);
 				link_params.overwriteFrom(LLStyleMap::instance().lookupAgent(chat.mFromID));
 
+				if (from_me)
+				{	std::string localized_name;
+					bool is_localized = LLTrans::findString(localized_name, "AgentNameSubst");
+					mEditor->appendText((is_localized? localized_name:"(You)") + delimiter,
+							prependNewLineState, link_params);
+					prependNewLineState = false;
+				}
+				else
+				{
 				// Add link to avatar's inspector and delimiter to message.
-				mEditor->appendText(std::string(link_params.link_href) + delimiter, false, link_params);
+					mEditor->appendText(std::string(link_params.link_href) + delimiter,
+							prependNewLineState, link_params);
+					prependNewLineState = false;
+				}
 			}
 			else
 			{
-				mEditor->appendText("<nolink>" + chat.mFromName + "</nolink>" + delimiter, false, style_params);
+				mEditor->appendText("<nolink>" + chat.mFromName + "</nolink>" + delimiter,
+						prependNewLineState, body_message_params);
+				prependNewLineState = false;
 			}
 		}
 	}
-	else
+	else // showing timestamp and name in the expanded mode
 	{
+		prependNewLineState = false;
 		LLView* view = NULL;
 		LLInlineViewSegment::Params p;
 		p.force_newline = true;
@@ -844,7 +925,7 @@ void LLChatHistory::appendMessage(const LLChat& chat, const LLSD &args, const LL
 		}
 		else
 		{
-			view = getHeader(chat, style_params, args);
+			view = getHeader(chat, name_params, args);
 			if (mEditor->getLength() == 0)
 				p.top_pad = 0;
 			else
@@ -873,41 +954,16 @@ void LLChatHistory::appendMessage(const LLChat& chat, const LLSD &args, const LL
 		mIsLastMessageFromLog = message_from_log;
 	}
 
+	// body of the message processing
+
+	// notify processing
 	if (chat.mNotifId.notNull())
 	{
 		LLNotificationPtr notification = LLNotificationsUtil::find(chat.mNotifId);
 		if (notification != NULL)
 		{
 			LLIMToastNotifyPanel* notify_box = new LLIMToastNotifyPanel(
-					notification, chat.mSessionID, LLRect::null, !use_plain_text_chat_history);
-			//we can't set follows in xml since it broke toasts behavior
-			notify_box->setFollowsLeft();
-			notify_box->setFollowsRight();
-			notify_box->setFollowsTop();
-
-			ctrl_list_t ctrls = notify_box->getControlPanel()->getCtrlList();
-			S32 offset = 0;
-			// Children were added by addChild() which uses push_front to insert them into list,
-			// so to get buttons in correct order reverse iterator is used (EXT-5906) 
-			for (ctrl_list_t::reverse_iterator it = ctrls.rbegin(); it != ctrls.rend(); it++)
-			{
-				LLButton * button = dynamic_cast<LLButton*> (*it);
-				if (button != NULL)
-				{
-					button->setOrigin( offset,
-							button->getRect().mBottom);
-					button->setLeftHPad(2 * HPAD);
-					button->setRightHPad(2 * HPAD);
-					// set zero width before perform autoResize()
-					button->setRect(LLRect(button->getRect().mLeft,
-							button->getRect().mTop, button->getRect().mLeft,
-							button->getRect().mBottom));
-					button->setAutoResize(true);
-					button->autoResize();
-					offset += HPAD + button->getRect().getWidth();
-					button->setFollowsNone();
-				}
-			}
+					notification, chat.mSessionID, LLRect::null, !use_plain_text_chat_history, mEditor);
 
 			//Prepare the rect for the view
 			LLRect target_rect = mEditor->getDocumentView()->getRect();
@@ -924,6 +980,8 @@ void LLChatHistory::appendMessage(const LLChat& chat, const LLSD &args, const LL
 			mEditor->appendWidget(params, "\n", false);
 		}
 	}
+
+	// usual messages showing
 	else
 	{
 		std::string message = irc_me ? chat.mText.substr(3) : chat.mText;
@@ -931,7 +989,7 @@ void LLChatHistory::appendMessage(const LLChat& chat, const LLSD &args, const LL
 
 		//MESSAGE TEXT PROCESSING
 		//*HACK getting rid of redundant sender names in system notifications sent using sender name (see EXT-5010)
-		if (use_plain_text_chat_history && gAgentID != chat.mFromID && chat.mFromID.notNull())
+		if (use_plain_text_chat_history && !from_me && chat.mFromID.notNull())
 		{
 			std::string slurl_about = SLURL_APP_AGENT + chat.mFromID.asString() + SLURL_ABOUT;
 			if (message.length() > slurl_about.length() && 
@@ -946,13 +1004,19 @@ void LLChatHistory::appendMessage(const LLChat& chat, const LLSD &args, const LL
 			message = chat.mFromName + message;
 		}
 		
-		mEditor->appendText(message, FALSE, style_params);
+		if (square_brackets)
+		{
+			message += "]";
+	}
+
+		mEditor->appendText(message, prependNewLineState, body_message_params);
+		prependNewLineState = false;
 	}
 
 	mEditor->blockUndo();
 
 	// automatically scroll to end when receiving chat from myself
-	if (chat.mFromID == gAgentID)
+	if (from_me)
 	{
 		mEditor->setCursorAndScrollToEnd();
 	}
diff --git a/indra/newview/llchathistory.h b/indra/newview/llchathistory.h
index 28344e6a10..bb6d4fb59c 100644
--- a/indra/newview/llchathistory.h
+++ b/indra/newview/llchathistory.h
@@ -60,6 +60,8 @@ class LLChatHistory : public LLUICtrl
 
 			Optional<LLTextBox::Params>	more_chat_text;
 
+			Optional<bool>			notify_unread_msg;
+
 			Params()
 			:	message_header("message_header"),
 				message_separator("message_separator"),
@@ -71,7 +73,8 @@ class LLChatHistory : public LLUICtrl
 				bottom_separator_pad("bottom_separator_pad"),
 				top_header_pad("top_header_pad"),
 				bottom_header_pad("bottom_header_pad"),
-				more_chat_text("more_chat_text")
+				more_chat_text("more_chat_text"),
+				notify_unread_msg("notify_unread_msg", true)
 			{}
 
 		};
@@ -100,7 +103,7 @@ class LLChatHistory : public LLUICtrl
 
 	public:
 		~LLChatHistory();
-
+		LLSD getValue() const;   
 		void initFromParams(const Params&);
 
 		/**
@@ -122,6 +125,7 @@ class LLChatHistory : public LLUICtrl
 		LLUUID mLastFromID;
 		LLDate mLastMessageTime;
 		bool mIsLastMessageFromLog;
+		bool mNotifyAboutUnreadMsg;
 		//std::string mLastMessageTimeStr;
 
 		std::string mMessageHeaderFilename;
diff --git a/indra/newview/llchatitemscontainerctrl.cpp b/indra/newview/llchatitemscontainerctrl.cpp
index 9a84280f25..a1a9463d43 100644
--- a/indra/newview/llchatitemscontainerctrl.cpp
+++ b/indra/newview/llchatitemscontainerctrl.cpp
@@ -35,7 +35,7 @@
 #include "llfloaterreg.h"
 #include "lllocalcliprect.h"
 #include "lltrans.h"
-#include "llnearbychatbar.h"
+#include "llfloaterimnearbychat.h"
 
 #include "llviewercontrol.h"
 #include "llagentdata.h"
@@ -81,23 +81,30 @@ public:
 LLObjectHandler gObjectHandler;
 
 //*******************************************************************************************************************
-//LLNearbyChatToastPanel
+//LLFloaterIMNearbyChatToastPanel
 //*******************************************************************************************************************
 
-LLNearbyChatToastPanel* LLNearbyChatToastPanel::createInstance()
+LLFloaterIMNearbyChatToastPanel* LLFloaterIMNearbyChatToastPanel::createInstance()
 {
-	LLNearbyChatToastPanel* item = new LLNearbyChatToastPanel();
+	LLFloaterIMNearbyChatToastPanel* item = new LLFloaterIMNearbyChatToastPanel();
 	item->buildFromFile("panel_chat_item.xml");
 	item->setFollows(FOLLOWS_NONE);
 	return item;
 }
 
-void	LLNearbyChatToastPanel::reshape		(S32 width, S32 height, BOOL called_from_parent )
+void	LLFloaterIMNearbyChatToastPanel::reshape		(S32 width, S32 height, BOOL called_from_parent )
 {
 	LLPanel::reshape(width, height,called_from_parent);
 
-	LLUICtrl* msg_text = getChild<LLUICtrl>("msg_text", false);
-	LLUICtrl* icon = getChild<LLUICtrl>("avatar_icon", false);
+	// reshape() may be called from LLView::initFromParams() before the children are created.
+	// We call findChild() instead of getChild() here to avoid creating dummy controls.
+	LLUICtrl* msg_text = findChild<LLUICtrl>("msg_text", false);
+	LLUICtrl* icon = findChild<LLUICtrl>("avatar_icon", false);
+
+	if (!msg_text || !icon)
+	{
+		return;
+	}
 
 	LLRect msg_text_rect = msg_text->getRect();
 	LLRect avatar_rect = icon->getRect();
@@ -114,12 +121,12 @@ void	LLNearbyChatToastPanel::reshape		(S32 width, S32 height, BOOL called_from_p
 	msg_text->setRect(msg_text_rect);
 }
 
-BOOL LLNearbyChatToastPanel::postBuild()
+BOOL LLFloaterIMNearbyChatToastPanel::postBuild()
 {
 	return LLPanel::postBuild();
 }
 
-void LLNearbyChatToastPanel::addMessage(LLSD& notification)
+void LLFloaterIMNearbyChatToastPanel::addMessage(LLSD& notification)
 {
 	std::string		messageText = notification["message"].asString();		// UTF-8 line of text
 
@@ -171,7 +178,7 @@ void LLNearbyChatToastPanel::addMessage(LLSD& notification)
 
 }
 
-void LLNearbyChatToastPanel::init(LLSD& notification)
+void LLFloaterIMNearbyChatToastPanel::init(LLSD& notification)
 {
 	std::string		messageText = notification["message"].asString();		// UTF-8 line of text
 	std::string		fromName = notification["from"].asString();	// agent or object name
@@ -266,7 +273,7 @@ void LLNearbyChatToastPanel::init(LLSD& notification)
 	mIsDirty = true;//will set Avatar Icon in draw
 }
 
-void	LLNearbyChatToastPanel::snapToMessageHeight	()
+void	LLFloaterIMNearbyChatToastPanel::snapToMessageHeight	()
 {
 	LLChatMsgBox* text_box = getChild<LLChatMsgBox>("msg_text", false);
 	S32 new_height = llmax (text_box->getTextPixelHeight() + 2*text_box->getVPad() + 2*msg_height_pad, 25);
@@ -281,22 +288,22 @@ void	LLNearbyChatToastPanel::snapToMessageHeight	()
 
 }
 
-void LLNearbyChatToastPanel::onMouseLeave			(S32 x, S32 y, MASK mask)
+void LLFloaterIMNearbyChatToastPanel::onMouseLeave			(S32 x, S32 y, MASK mask)
 {
 	
 }
-void LLNearbyChatToastPanel::onMouseEnter				(S32 x, S32 y, MASK mask)
+void LLFloaterIMNearbyChatToastPanel::onMouseEnter				(S32 x, S32 y, MASK mask)
 {
 	if(mSourceType != CHAT_SOURCE_AGENT)
 		return;
 }
 
-BOOL	LLNearbyChatToastPanel::handleMouseDown	(S32 x, S32 y, MASK mask)
+BOOL	LLFloaterIMNearbyChatToastPanel::handleMouseDown	(S32 x, S32 y, MASK mask)
 {
 	return LLPanel::handleMouseDown(x,y,mask);
 }
 
-BOOL	LLNearbyChatToastPanel::handleMouseUp	(S32 x, S32 y, MASK mask)
+BOOL	LLFloaterIMNearbyChatToastPanel::handleMouseUp	(S32 x, S32 y, MASK mask)
 {
 	/*
 	fix for request  EXT-4780
@@ -316,16 +323,16 @@ BOOL	LLNearbyChatToastPanel::handleMouseUp	(S32 x, S32 y, MASK mask)
 			return TRUE;
 		else
 		{
-			LLNearbyChatBar::getInstance()->showHistory();
+			(LLFloaterReg::getTypedInstance<LLFloaterIMNearbyChat>("nearby_chat"))->showHistory();
 			return FALSE;
 		}
 	}
 
-	LLNearbyChatBar::getInstance()->showHistory();
+	(LLFloaterReg::getTypedInstance<LLFloaterIMNearbyChat>("nearby_chat"))->showHistory();
 	return LLPanel::handleMouseUp(x,y,mask);
 }
 
-void	LLNearbyChatToastPanel::setHeaderVisibility(EShowItemHeader e)
+void	LLFloaterIMNearbyChatToastPanel::setHeaderVisibility(EShowItemHeader e)
 {
 	LLUICtrl* icon = getChild<LLUICtrl>("avatar_icon", false);
 	if(icon)
@@ -333,7 +340,7 @@ void	LLNearbyChatToastPanel::setHeaderVisibility(EShowItemHeader e)
 
 }
 
-bool	LLNearbyChatToastPanel::canAddText	()
+bool	LLFloaterIMNearbyChatToastPanel::canAddText	()
 {
 	LLChatMsgBox* msg_text = findChild<LLChatMsgBox>("msg_text");
 	if(!msg_text)
@@ -341,7 +348,7 @@ bool	LLNearbyChatToastPanel::canAddText	()
 	return msg_text->getLineCount()<10;
 }
 
-BOOL	LLNearbyChatToastPanel::handleRightMouseDown(S32 x, S32 y, MASK mask)
+BOOL	LLFloaterIMNearbyChatToastPanel::handleRightMouseDown(S32 x, S32 y, MASK mask)
 {
 	LLUICtrl* avatar_icon = getChild<LLUICtrl>("avatar_icon", false);
 
@@ -353,8 +360,10 @@ BOOL	LLNearbyChatToastPanel::handleRightMouseDown(S32 x, S32 y, MASK mask)
 		return TRUE;
 	return LLPanel::handleRightMouseDown(x,y,mask);
 }
-void LLNearbyChatToastPanel::draw()
+void LLFloaterIMNearbyChatToastPanel::draw()
 {
+	LLPanel::draw();
+
 	if(mIsDirty)
 	{
 		LLAvatarIconCtrl* icon = getChild<LLAvatarIconCtrl>("avatar_icon", false);
@@ -372,7 +381,6 @@ void LLNearbyChatToastPanel::draw()
 		}
 		mIsDirty = false;
 	}
-	LLToastPanelBase::draw();
 }
 
 
diff --git a/indra/newview/llchatitemscontainerctrl.h b/indra/newview/llchatitemscontainerctrl.h
index 1d700dcede..54b6499d52 100644
--- a/indra/newview/llchatitemscontainerctrl.h
+++ b/indra/newview/llchatitemscontainerctrl.h
@@ -40,18 +40,18 @@ typedef enum e_show_item_header
 	CHATITEMHEADER_SHOW_BOTH
 } EShowItemHeader;
 
-class LLNearbyChatToastPanel: public LLToastPanelBase
+class LLFloaterIMNearbyChatToastPanel : public LLPanel
 {
 protected:
-        LLNearbyChatToastPanel()
+        LLFloaterIMNearbyChatToastPanel()
 		: 
 	mIsDirty(false),
 	mSourceType(CHAT_SOURCE_OBJECT)
 	{};
 public:
-	~LLNearbyChatToastPanel(){}
+	~LLFloaterIMNearbyChatToastPanel(){}
 	
-	static LLNearbyChatToastPanel* createInstance();
+	static LLFloaterIMNearbyChatToastPanel* createInstance();
 
 	const LLUUID& getFromID() const { return mFromID;}
 	const std::string& getFromName() const { return mFromName; }
diff --git a/indra/newview/llchiclet.cpp b/indra/newview/llchiclet.cpp
index a661808d1f..3dbb43c657 100644
--- a/indra/newview/llchiclet.cpp
+++ b/indra/newview/llchiclet.cpp
@@ -27,35 +27,17 @@
 #include "llviewerprecompiledheaders.h" // must be first include
 #include "llchiclet.h"
 
-#include "llagent.h"
-#include "llavataractions.h"
 #include "llchicletbar.h"
-#include "lleventtimer.h"
-#include "llgroupactions.h"
-#include "lliconctrl.h"
-#include "llimfloater.h"
-#include "llimview.h"
+#include "llfloaterimsession.h"
+#include "llfloaterimcontainer.h"
 #include "llfloaterreg.h"
 #include "lllocalcliprect.h"
-#include "llmenugl.h"
-#include "llnotifications.h"
-#include "llnotificationsutil.h"
-#include "lloutputmonitorctrl.h"
 #include "llscriptfloater.h"
-#include "llspeakers.h"
-#include "lltextbox.h"
-#include "llvoiceclient.h"
-#include "llgroupmgr.h"
-#include "llnotificationmanager.h"
-#include "lltransientfloatermgr.h"
+#include "llsingleton.h"
 #include "llsyswellwindow.h"
 
 static LLDefaultChildRegistry::Register<LLChicletPanel> t1("chiclet_panel");
-static LLDefaultChildRegistry::Register<LLIMWellChiclet> t2_0("chiclet_im_well");
 static LLDefaultChildRegistry::Register<LLNotificationChiclet> t2("chiclet_notification");
-static LLDefaultChildRegistry::Register<LLIMP2PChiclet> t3("chiclet_im_p2p");
-static LLDefaultChildRegistry::Register<LLIMGroupChiclet> t4("chiclet_im_group");
-static LLDefaultChildRegistry::Register<LLAdHocChiclet> t5("chiclet_im_adhoc");
 static LLDefaultChildRegistry::Register<LLScriptChiclet> t6("chiclet_script");
 static LLDefaultChildRegistry::Register<LLInvOfferChiclet> t7("chiclet_offer");
 
@@ -66,65 +48,10 @@ boost::signals2::signal<LLChiclet* (const LLUUID&),
 //////////////////////////////////////////////////////////////////////////
 //////////////////////////////////////////////////////////////////////////
 
-/**
- * Updates the Well's 'Lit' state to flash it when "new messages" are come.
- *
- * It gets callback which will be called 2*N times with passed period. See EXT-3147
- */
-class LLSysWellChiclet::FlashToLitTimer : public LLEventTimer
-{
-public:
-	typedef boost::function<void()> callback_t;
-
-	/**
-	 * Constructor.
-	 *
-	 * @param count - how many times callback should be called (twice to not change original state)
-	 * @param period - how frequently callback should be called
-	 * @param cb - callback to be called each tick
-	 */
-	FlashToLitTimer(S32 count, F32 period, callback_t cb)
-		: LLEventTimer(period)
-		, mCallback(cb)
-		, mFlashCount(2 * count)
-		, mCurrentFlashCount(0)
-	{
-		mEventTimer.stop();
-	}
-
-	BOOL tick()
-	{
-		mCallback();
-
-		if (++mCurrentFlashCount == mFlashCount) mEventTimer.stop();
-		return FALSE;
-	}
-
-	void flash()
-	{
-		mCurrentFlashCount = 0;
-		mEventTimer.start();
-	}
-
-	void stopFlashing()
-	{
-		mEventTimer.stop();
-	}
-
-private:
-	callback_t		mCallback;
-
-	/**
-	 * How many times Well will blink.
-	 */
-	S32 mFlashCount;
-	S32 mCurrentFlashCount;
-};
-
 LLSysWellChiclet::Params::Params()
-: button("button")
-, unread_notifications("unread_notifications")
-, max_displayed_count("max_displayed_count", 99)
+	: button("button")
+	, unread_notifications("unread_notifications")
+	, max_displayed_count("max_displayed_count", 99)
 {
 	button.name = "button";
 	button.tab_stop = FALSE;
@@ -132,30 +59,24 @@ LLSysWellChiclet::Params::Params()
 }
 
 LLSysWellChiclet::LLSysWellChiclet(const Params& p)
-: LLChiclet(p)
-, mButton(NULL)
-, mCounter(0)
-, mMaxDisplayedCount(p.max_displayed_count)
-, mIsNewMessagesState(false)
-, mFlashToLitTimer(NULL)
-, mContextMenu(NULL)
+	: LLChiclet(p)
+	, mButton(NULL)
+	, mCounter(0)
+	, mMaxDisplayedCount(p.max_displayed_count)
+	, mIsNewMessagesState(false)
+	, mFlashToLitTimer(NULL)
+	, mContextMenu(NULL)
 {
 	LLButton::Params button_params = p.button;
 	mButton = LLUICtrlFactory::create<LLButton>(button_params);
 	addChild(mButton);
 
-	// use settings from settings.xml to be able change them via Debug settings. See EXT-5973.
-	// Due to Timer is implemented as derived class from EventTimer it is impossible to change period
-	// in runtime. So, both settings are made as required restart.
-	static S32 flash_to_lit_count = gSavedSettings.getS32("WellIconFlashCount");
-	static F32 flash_period = gSavedSettings.getF32("WellIconFlashPeriod");
-
-	mFlashToLitTimer = new FlashToLitTimer(flash_to_lit_count, flash_period, boost::bind(&LLSysWellChiclet::changeLitState, this));
+	mFlashToLitTimer = new LLFlashTimer(boost::bind(&LLSysWellChiclet::changeLitState, this, _1));
 }
 
 LLSysWellChiclet::~LLSysWellChiclet()
 {
-	delete mFlashToLitTimer;
+	mFlashToLitTimer->unset();
 }
 
 void LLSysWellChiclet::setCounter(S32 counter)
@@ -190,7 +111,7 @@ void LLSysWellChiclet::setToggleState(BOOL toggled) {
 	mButton->setToggleState(toggled);
 }
 
-void LLSysWellChiclet::changeLitState()
+void LLSysWellChiclet::changeLitState(bool blink)
 {
 	setNewMessagesState(!mIsNewMessagesState);
 }
@@ -235,130 +156,18 @@ BOOL LLSysWellChiclet::handleRightMouseDown(S32 x, S32 y, MASK mask)
 }
 
 /************************************************************************/
-/*               LLIMWellChiclet implementation                         */
-/************************************************************************/
-LLIMWellChiclet::LLIMWellChiclet(const Params& p)
-: LLSysWellChiclet(p)
-{
-	LLIMModel::instance().addNewMsgCallback(boost::bind(&LLIMWellChiclet::messageCountChanged, this, _1));
-	LLIMModel::instance().addNoUnreadMsgsCallback(boost::bind(&LLIMWellChiclet::messageCountChanged, this, _1));
-
-	LLIMMgr::getInstance()->addSessionObserver(this);
-
-	LLIMWellWindow::getInstance()->setSysWellChiclet(this);
-}
-
-LLIMWellChiclet::~LLIMWellChiclet()
-{
-	LLIMWellWindow* im_well_window = LLIMWellWindow::findInstance();
-	if (im_well_window)
-	{
-		im_well_window->setSysWellChiclet(NULL);
-	}
-
-	LLIMMgr::getInstance()->removeSessionObserver(this);
-}
-
-void LLIMWellChiclet::onMenuItemClicked(const LLSD& user_data)
-{
-	std::string action = user_data.asString();
-	if("close all" == action)
-	{
-		LLIMWellWindow::getInstance()->closeAll();
-	}
-}
-
-bool LLIMWellChiclet::enableMenuItem(const LLSD& user_data)
-{
-	std::string item = user_data.asString();
-	if (item == "can close all")
-	{
-		return !LLIMWellWindow::getInstance()->isWindowEmpty();
-	}
-	return true;
-}
-
-void LLIMWellChiclet::createMenu()
-{
-	if(mContextMenu)
-	{
-		llwarns << "Menu already exists" << llendl;
-		return;
-	}
-
-	LLUICtrl::CommitCallbackRegistry::ScopedRegistrar registrar;
-	registrar.add("IMWellChicletMenu.Action",
-		boost::bind(&LLIMWellChiclet::onMenuItemClicked, this, _2));
-
-	LLUICtrl::EnableCallbackRegistry::ScopedRegistrar enable_registrar;
-	enable_registrar.add("IMWellChicletMenu.EnableItem",
-		boost::bind(&LLIMWellChiclet::enableMenuItem, this, _2));
-
-	mContextMenu = LLUICtrlFactory::getInstance()->createFromFile<LLContextMenu>
-		("menu_im_well_button.xml",
-		 LLMenuGL::sMenuContainer,
-		 LLViewerMenuHolderGL::child_registry_t::instance());
-}
-
-void LLIMWellChiclet::messageCountChanged(const LLSD& session_data)
-{
-	// The singleton class LLChicletBar instance might be already deleted
-	// so don't create a new one.
-	if (!LLChicletBar::instanceExists())
-	{
-		return;
-	}
-
-	const LLUUID& session_id = session_data["session_id"];
-	const S32 counter = LLChicletBar::getInstance()->getTotalUnreadIMCount();
-	const bool im_not_visible = !LLFloaterReg::instanceVisible("im_container")
-		&& !LLFloaterReg::instanceVisible("impanel", session_id);
-
-	setNewMessagesState(counter > mCounter	&& im_not_visible);
-
-	// we have to flash to 'Lit' state each time new unread message is coming.
-	if (counter > mCounter && im_not_visible)
-	{
-		mFlashToLitTimer->flash();
-	}
-	else if (counter == 0)
-	{
-		// if notification is resolved while well is flashing it can leave in the 'Lit' state
-		// when flashing finishes itself. Let break flashing here.
-		mFlashToLitTimer->stopFlashing();
-	}
-
-	setCounter(counter);
-}
-
-/************************************************************************/
 /*               LLNotificationChiclet implementation                   */
 /************************************************************************/
 LLNotificationChiclet::LLNotificationChiclet(const Params& p)
-: LLSysWellChiclet(p)
-, mUreadSystemNotifications(0)
+:	LLSysWellChiclet(p),
+	mUreadSystemNotifications(0)
 {
-	// connect counter handlers to the signals
-	connectCounterUpdatersToSignal("notify");
-	connectCounterUpdatersToSignal("groupnotify");
-	connectCounterUpdatersToSignal("offer");
-
+	mNotificationChannel.reset(new ChicletNotificationChannel(this));
 	// ensure that notification well window exists, to synchronously
 	// handle toast add/delete events.
 	LLNotificationWellWindow::getInstance()->setSysWellChiclet(this);
 }
 
-void LLNotificationChiclet::connectCounterUpdatersToSignal(const std::string& notification_type)
-{
-	LLNotificationsUI::LLNotificationManager* manager = LLNotificationsUI::LLNotificationManager::getInstance();
-	LLNotificationsUI::LLEventHandler* n_handler = manager->getHandlerForNotification(notification_type);
-	if(n_handler)
-	{
-		n_handler->setNewNotificationCallback(boost::bind(&LLNotificationChiclet::incUreadSystemNotifications, this));
-		n_handler->setDelNotification(boost::bind(&LLNotificationChiclet::decUreadSystemNotifications, this));
-	}
-}
-
 void LLNotificationChiclet::onMenuItemClicked(const LLSD& user_data)
 {
 	std::string action = user_data.asString();
@@ -407,6 +216,23 @@ void LLNotificationChiclet::setCounter(S32 counter)
 	updateWidget(getCounter() == 0);
 	
 }
+
+bool LLNotificationChiclet::ChicletNotificationChannel::filterNotification( LLNotificationPtr notification )
+{
+	if (notification->getName() == "ScriptDialog")
+	{
+		return false;
+	}
+
+	if( !(notification->canLogToIM() && notification->hasFormElements())
+		&& (!notification->getPayload().has("give_inventory_notification")
+			|| notification->getPayload()["give_inventory_notification"]))
+	{
+		return true;
+	}
+	return false;
+}
+
 //////////////////////////////////////////////////////////////////////////
 //////////////////////////////////////////////////////////////////////////
 //////////////////////////////////////////////////////////////////////////
@@ -422,12 +248,6 @@ LLChiclet::LLChiclet(const Params& p)
 , mSessionId(LLUUID::null)
 , mShowCounter(p.show_counter)
 {
-
-}
-
-LLChiclet::~LLChiclet()
-{
-
 }
 
 boost::signals2::connection LLChiclet::setLeftButtonClickCallback(
@@ -462,7 +282,9 @@ LLSD LLChiclet::getValue() const
 void LLChiclet::setValue(const LLSD& value)
 {
 	if(value.isUUID())
+	{
 		setSessionId(value.asUUID());
+	}
 }
 
 //////////////////////////////////////////////////////////////////////////
@@ -474,12 +296,9 @@ LLIMChiclet::LLIMChiclet(const LLIMChiclet::Params& p)
 , mShowSpeaker(false)
 , mDefaultWidth(p.rect().getWidth())
 , mNewMessagesIcon(NULL)
-, mSpeakerCtrl(NULL)
-, mCounterCtrl(NULL)
 , mChicletButton(NULL)
 , mPopupMenu(NULL)
 {
-	enableCounterControl(p.enable_counter);
 }
 
 /* virtual*/
@@ -490,16 +309,6 @@ BOOL LLIMChiclet::postBuild()
 	mChicletButton->setDoubleClickCallback(boost::bind(&LLIMChiclet::onMouseDown, this));
 	return TRUE;
 }
-void LLIMChiclet::setShowSpeaker(bool show)
-{
-	bool needs_resize = getShowSpeaker() != show;
-	if(needs_resize)
-	{		
-		mShowSpeaker = show;
-	}
-
-	toggleSpeakerControl();
-}
 
 void LLIMChiclet::enableCounterControl(bool enable) 
 {
@@ -510,87 +319,13 @@ void LLIMChiclet::enableCounterControl(bool enable)
 	}
 }
 
-void LLIMChiclet::setShowCounter(bool show)
-{
-	if(!mCounterEnabled)
-	{
-		return;
-	}
-
-	bool needs_resize = getShowCounter() != show;
-	if(needs_resize)
-	{		
-		LLChiclet::setShowCounter(show);
-		toggleCounterControl();
-	}
-}
-
-void LLIMChiclet::initSpeakerControl()
-{
-	// virtual
-}
-
 void LLIMChiclet::setRequiredWidth()
 {
-	bool show_speaker = getShowSpeaker();
-	bool show_counter = getShowCounter();
 	S32 required_width = mDefaultWidth;
-
-	if (show_counter)
-	{
-		required_width += mCounterCtrl->getRect().getWidth();
-	}
-	if (show_speaker)
-	{
-		required_width += mSpeakerCtrl->getRect().getWidth();
-	} 
-
 	reshape(required_width, getRect().getHeight());
-
 	onChicletSizeChanged();
 }
 
-void LLIMChiclet::toggleSpeakerControl()
-{
-	if(getShowSpeaker())
-	{
-		// move speaker to the right of chiclet icon
-		LLRect speaker_rc = mSpeakerCtrl->getRect();
-		speaker_rc.setLeftTopAndSize(mDefaultWidth, speaker_rc.mTop, speaker_rc.getWidth(), speaker_rc.getHeight());
-		mSpeakerCtrl->setRect(speaker_rc);
-
-		if(getShowCounter())
-		{
-			// move speaker to the right of counter
-			mSpeakerCtrl->translate(mCounterCtrl->getRect().getWidth(), 0);
-		}
-
-		initSpeakerControl();		
-	}
-
-	setRequiredWidth();
-	mSpeakerCtrl->setSpeakerId(LLUUID::null);
-	mSpeakerCtrl->setVisible(getShowSpeaker());
-}
-
-void LLIMChiclet::setCounter(S32 counter)
-{
-	if (mCounterCtrl->getCounter() == counter)
-	{
-		return;
-	}
-
-	mCounterCtrl->setCounter(counter);
-	setShowCounter(counter);
-	setShowNewMessagesIcon(counter);
-}
-
-void LLIMChiclet::toggleCounterControl()
-{
-	setRequiredWidth();
-	mCounterCtrl->setVisible(getShowCounter());
-}
-
 void LLIMChiclet::setShowNewMessagesIcon(bool show)
 {
 	if(mNewMessagesIcon)
@@ -607,8 +342,7 @@ bool LLIMChiclet::getShowNewMessagesIcon()
 
 void LLIMChiclet::onMouseDown()
 {
-	LLIMFloater::toggle(getSessionId());
-	setCounter(0);
+	LLFloaterIMSession::toggle(getSessionId());
 }
 
 void LLIMChiclet::setToggleState(bool toggle)
@@ -616,52 +350,6 @@ void LLIMChiclet::setToggleState(bool toggle)
 	mChicletButton->setToggleState(toggle);
 }
 
-void LLIMChiclet::draw()
-{
-	LLUICtrl::draw();
-}
-
-// static
-LLIMChiclet::EType LLIMChiclet::getIMSessionType(const LLUUID& session_id)
-{
-	EType				type	= TYPE_UNKNOWN;
-
-	if(session_id.isNull())
-		return type;
-
-	EInstantMessage im_type = LLIMModel::getInstance()->getType(session_id);
-	if (IM_COUNT == im_type)
-	{
-		llassert_always(0 && "IM session not found"); // should never happen
-		return type;
-	}
-
-	switch(im_type)
-	{
-	case IM_NOTHING_SPECIAL:
-	case IM_SESSION_P2P_INVITE:
-		type = TYPE_IM;
-		break;
-	case IM_SESSION_GROUP_START:
-	case IM_SESSION_INVITE:
-		if (gAgent.isInGroup(session_id))
-		{
-			type = TYPE_GROUP;
-		}
-		else
-		{
-			type = TYPE_AD_HOC;
-		}
-		break;
-	case IM_SESSION_CONFERENCE_START:
-		type = TYPE_AD_HOC;
-	default:
-		break;
-	}
-
-	return type;
-}
-
 BOOL LLIMChiclet::handleRightMouseDown(S32 x, S32 y, MASK mask)
 {
 	if(!mPopupMenu)
@@ -697,382 +385,6 @@ bool LLIMChiclet::canCreateMenu()
 //////////////////////////////////////////////////////////////////////////
 //////////////////////////////////////////////////////////////////////////
 
-LLIMP2PChiclet::Params::Params()
-: avatar_icon("avatar_icon")
-, chiclet_button("chiclet_button")
-, unread_notifications("unread_notifications")
-, speaker("speaker")
-, new_message_icon("new_message_icon")
-, show_speaker("show_speaker")
-{
-}
-
-LLIMP2PChiclet::LLIMP2PChiclet(const Params& p)
-: LLIMChiclet(p)
-, mChicletIconCtrl(NULL)
-{
-	LLButton::Params button_params = p.chiclet_button;
-	mChicletButton = LLUICtrlFactory::create<LLButton>(button_params);
-	addChild(mChicletButton);
-
-	LLIconCtrl::Params new_msg_params = p.new_message_icon;
-	mNewMessagesIcon = LLUICtrlFactory::create<LLIconCtrl>(new_msg_params);
-	addChild(mNewMessagesIcon);
-
-	LLChicletAvatarIconCtrl::Params avatar_params = p.avatar_icon;
-	mChicletIconCtrl = LLUICtrlFactory::create<LLChicletAvatarIconCtrl>(avatar_params);
-	addChild(mChicletIconCtrl);
-
-	LLChicletNotificationCounterCtrl::Params unread_params = p.unread_notifications;
-	mCounterCtrl = LLUICtrlFactory::create<LLChicletNotificationCounterCtrl>(unread_params);
-	addChild(mCounterCtrl);
-
-	setCounter(getCounter());
-	setShowCounter(getShowCounter());
-
-	LLChicletSpeakerCtrl::Params speaker_params = p.speaker;
-	mSpeakerCtrl = LLUICtrlFactory::create<LLChicletSpeakerCtrl>(speaker_params);
-	addChild(mSpeakerCtrl);
-
-	sendChildToFront(mNewMessagesIcon);
-	setShowSpeaker(p.show_speaker);
-}
-
-void LLIMP2PChiclet::initSpeakerControl()
-{
-	mSpeakerCtrl->setSpeakerId(getOtherParticipantId());
-}
-
-void LLIMP2PChiclet::setOtherParticipantId(const LLUUID& other_participant_id)
-{
-	LLIMChiclet::setOtherParticipantId(other_participant_id);
-	mChicletIconCtrl->setValue(getOtherParticipantId());
-}
-
-void LLIMP2PChiclet::updateMenuItems()
-{
-	if(!mPopupMenu)
-		return;
-	if(getSessionId().isNull())
-		return;
-
-	LLIMFloater* open_im_floater = LLIMFloater::findInstance(getSessionId());
-	bool open_window_exists = open_im_floater && open_im_floater->getVisible();
-	mPopupMenu->getChild<LLUICtrl>("Send IM")->setEnabled(!open_window_exists);
-	
-	bool is_friend = LLAvatarActions::isFriend(getOtherParticipantId());
-	mPopupMenu->getChild<LLUICtrl>("Add Friend")->setEnabled(!is_friend);
-}
-
-void LLIMP2PChiclet::createPopupMenu()
-{
-	if(!canCreateMenu())
-		return;
-
-	LLUICtrl::CommitCallbackRegistry::ScopedRegistrar registrar;
-	registrar.add("IMChicletMenu.Action", boost::bind(&LLIMP2PChiclet::onMenuItemClicked, this, _2));
-
-	mPopupMenu = LLUICtrlFactory::getInstance()->createFromFile<LLMenuGL>
-		("menu_imchiclet_p2p.xml", gMenuHolder, LLViewerMenuHolderGL::child_registry_t::instance());
-}
-
-void LLIMP2PChiclet::onMenuItemClicked(const LLSD& user_data)
-{
-	std::string level = user_data.asString();
-	LLUUID other_participant_id = getOtherParticipantId();
-
-	if("profile" == level)
-	{
-		LLAvatarActions::showProfile(other_participant_id);
-	}
-	else if("im" == level)
-	{
-		LLAvatarActions::startIM(other_participant_id);
-	}
-	else if("add" == level)
-	{
-		LLAvatarActions::requestFriendshipDialog(other_participant_id);
-	}
-	else if("end" == level)
-	{
-		LLAvatarActions::endIM(other_participant_id);
-	}
-}
-
-//////////////////////////////////////////////////////////////////////////
-//////////////////////////////////////////////////////////////////////////
-//////////////////////////////////////////////////////////////////////////
-
-LLAdHocChiclet::Params::Params()
-: avatar_icon("avatar_icon")
-, chiclet_button("chiclet_button")
-, unread_notifications("unread_notifications")
-, speaker("speaker")
-, new_message_icon("new_message_icon")
-, show_speaker("show_speaker")
-, avatar_icon_color("avatar_icon_color", LLColor4::green)
-{
-}
-
-LLAdHocChiclet::LLAdHocChiclet(const Params& p)
-: LLIMChiclet(p)
-, mChicletIconCtrl(NULL)
-{
-	LLButton::Params button_params = p.chiclet_button;
-	mChicletButton = LLUICtrlFactory::create<LLButton>(button_params);
-	addChild(mChicletButton);
-
-	LLIconCtrl::Params new_msg_params = p.new_message_icon;
-	mNewMessagesIcon = LLUICtrlFactory::create<LLIconCtrl>(new_msg_params);
-	addChild(mNewMessagesIcon);
-
-	LLChicletAvatarIconCtrl::Params avatar_params = p.avatar_icon;
-	mChicletIconCtrl = LLUICtrlFactory::create<LLChicletAvatarIconCtrl>(avatar_params);
-	//Make the avatar modified
-	mChicletIconCtrl->setColor(p.avatar_icon_color);
-	addChild(mChicletIconCtrl);
-
-	LLChicletNotificationCounterCtrl::Params unread_params = p.unread_notifications;
-	mCounterCtrl = LLUICtrlFactory::create<LLChicletNotificationCounterCtrl>(unread_params);
-	addChild(mCounterCtrl);
-
-	setCounter(getCounter());
-	setShowCounter(getShowCounter());
-
-	LLChicletSpeakerCtrl::Params speaker_params = p.speaker;
-	mSpeakerCtrl = LLUICtrlFactory::create<LLChicletSpeakerCtrl>(speaker_params);
-	addChild(mSpeakerCtrl);
-
-	sendChildToFront(mNewMessagesIcon);
-	setShowSpeaker(p.show_speaker);
-}
-
-void LLAdHocChiclet::setSessionId(const LLUUID& session_id)
-{
-	LLChiclet::setSessionId(session_id);
-	LLIMModel::LLIMSession* im_session = LLIMModel::getInstance()->findIMSession(session_id);
-	mChicletIconCtrl->setValue(im_session->mOtherParticipantID);
-}
-
-void LLAdHocChiclet::draw()
-{
-	switchToCurrentSpeaker();
-	LLIMChiclet::draw();
-}
-
-void LLAdHocChiclet::initSpeakerControl()
-{
-	switchToCurrentSpeaker();
-}
-
-void LLAdHocChiclet::switchToCurrentSpeaker()
-{
-	LLUUID speaker_id;
-	LLSpeakerMgr::speaker_list_t speaker_list;
-
-	LLIMModel::getInstance()->findIMSession(getSessionId())->mSpeakers->getSpeakerList(&speaker_list, FALSE);
-	for (LLSpeakerMgr::speaker_list_t::iterator i = speaker_list.begin(); i != speaker_list.end(); ++i)
-	{
-		LLPointer<LLSpeaker> s = *i;
-		if (s->mSpeechVolume > 0 || s->mStatus == LLSpeaker::STATUS_SPEAKING)
-		{
-			speaker_id = s->mID;
-			break;
-		}
-	}
-
-	mSpeakerCtrl->setSpeakerId(speaker_id);
-}
-
-void LLAdHocChiclet::createPopupMenu()
-{
-	if(!canCreateMenu())
-		return;
-
-	LLUICtrl::CommitCallbackRegistry::ScopedRegistrar registrar;
-	registrar.add("IMChicletMenu.Action", boost::bind(&LLAdHocChiclet::onMenuItemClicked, this, _2));
-
-	mPopupMenu = LLUICtrlFactory::getInstance()->createFromFile<LLMenuGL>
-		("menu_imchiclet_adhoc.xml", gMenuHolder, LLViewerMenuHolderGL::child_registry_t::instance());
-}
-
-void LLAdHocChiclet::onMenuItemClicked(const LLSD& user_data)
-{
-	std::string level = user_data.asString();
-	LLUUID group_id = getSessionId();
-
-	if("end" == level)
-	{
-		LLGroupActions::endIM(group_id);
-	}
-}
-
-//////////////////////////////////////////////////////////////////////////
-//////////////////////////////////////////////////////////////////////////
-//////////////////////////////////////////////////////////////////////////
-
-LLIMGroupChiclet::Params::Params()
-: group_icon("group_icon")
-, chiclet_button("chiclet_button")
-, unread_notifications("unread_notifications")
-, speaker("speaker")
-, new_message_icon("new_message_icon")
-, show_speaker("show_speaker")
-{
-}
-
-LLIMGroupChiclet::LLIMGroupChiclet(const Params& p)
-: LLIMChiclet(p)
-, LLGroupMgrObserver(LLUUID::null)
-, mChicletIconCtrl(NULL)
-{
-	LLButton::Params button_params = p.chiclet_button;
-	mChicletButton = LLUICtrlFactory::create<LLButton>(button_params);
-	addChild(mChicletButton);
-
-	LLIconCtrl::Params new_msg_params = p.new_message_icon;
-	mNewMessagesIcon = LLUICtrlFactory::create<LLIconCtrl>(new_msg_params);
-	addChild(mNewMessagesIcon);
-
-	LLChicletGroupIconCtrl::Params avatar_params = p.group_icon;
-	mChicletIconCtrl = LLUICtrlFactory::create<LLChicletGroupIconCtrl>(avatar_params);
-	addChild(mChicletIconCtrl);
-
-	LLChicletNotificationCounterCtrl::Params unread_params = p.unread_notifications;
-	mCounterCtrl = LLUICtrlFactory::create<LLChicletNotificationCounterCtrl>(unread_params);
-	addChild(mCounterCtrl);
-
-	setCounter(getCounter());
-	setShowCounter(getShowCounter());
-
-	LLChicletSpeakerCtrl::Params speaker_params = p.speaker;
-	mSpeakerCtrl = LLUICtrlFactory::create<LLChicletSpeakerCtrl>(speaker_params);
-	addChild(mSpeakerCtrl);
-
-	sendChildToFront(mNewMessagesIcon);
-	setShowSpeaker(p.show_speaker);
-}
-
-LLIMGroupChiclet::~LLIMGroupChiclet()
-{
-	LLGroupMgr::getInstance()->removeObserver(this);
-}
-
-void LLIMGroupChiclet::draw()
-{
-	if(getShowSpeaker())
-	{
-		switchToCurrentSpeaker();
-	}
-	LLIMChiclet::draw();
-}
-
-void LLIMGroupChiclet::initSpeakerControl()
-{
-	switchToCurrentSpeaker();
-}
-
-void LLIMGroupChiclet::switchToCurrentSpeaker()
-{
-	LLUUID speaker_id;
-	LLSpeakerMgr::speaker_list_t speaker_list;
-
-	LLIMModel::getInstance()->findIMSession(getSessionId())->mSpeakers->getSpeakerList(&speaker_list, FALSE);
-	for (LLSpeakerMgr::speaker_list_t::iterator i = speaker_list.begin(); i != speaker_list.end(); ++i)
-	{
-		LLPointer<LLSpeaker> s = *i;
-		if (s->mSpeechVolume > 0 || s->mStatus == LLSpeaker::STATUS_SPEAKING)
-		{
-			speaker_id = s->mID;
-			break;
-		}
-	}
-
-	mSpeakerCtrl->setSpeakerId(speaker_id);
-}
-
-void LLIMGroupChiclet::setSessionId(const LLUUID& session_id)
-{
-	LLChiclet::setSessionId(session_id);
-
-	LLGroupMgr* grp_mgr = LLGroupMgr::getInstance();
-	LLGroupMgrGroupData* group_data = grp_mgr->getGroupData(session_id);
-	if (group_data && group_data->mInsigniaID.notNull())
-	{
-		mChicletIconCtrl->setValue(group_data->mInsigniaID);
-	}
-	else
-	{
-		if(getSessionId() != mID)
-		{
-			grp_mgr->removeObserver(this);
-			mID = getSessionId();
-			grp_mgr->addObserver(this);
-		}
-		grp_mgr->sendGroupPropertiesRequest(session_id);
-	}
-}
-
-void LLIMGroupChiclet::changed(LLGroupChange gc)
-{
-	if (GC_PROPERTIES == gc)
-	{
-		LLGroupMgrGroupData* group_data = LLGroupMgr::getInstance()->getGroupData(getSessionId());
-		if (group_data)
-		{
-			mChicletIconCtrl->setValue(group_data->mInsigniaID);
-		}
-	}
-}
-
-void LLIMGroupChiclet::updateMenuItems()
-{
-	if(!mPopupMenu)
-		return;
-	if(getSessionId().isNull())
-		return;
-
-	LLIMFloater* open_im_floater = LLIMFloater::findInstance(getSessionId());
-	bool open_window_exists = open_im_floater && open_im_floater->getVisible();
-	mPopupMenu->getChild<LLUICtrl>("Chat")->setEnabled(!open_window_exists);
-}
-
-void LLIMGroupChiclet::createPopupMenu()
-{
-	if(!canCreateMenu())
-		return;
-
-	LLUICtrl::CommitCallbackRegistry::ScopedRegistrar registrar;
-	registrar.add("IMChicletMenu.Action", boost::bind(&LLIMGroupChiclet::onMenuItemClicked, this, _2));
-
-	mPopupMenu = LLUICtrlFactory::getInstance()->createFromFile<LLMenuGL>
-		("menu_imchiclet_group.xml", gMenuHolder, LLViewerMenuHolderGL::child_registry_t::instance());
-}
-
-void LLIMGroupChiclet::onMenuItemClicked(const LLSD& user_data)
-{
-	std::string level = user_data.asString();
-	LLUUID group_id = getSessionId();
-
-	if("group chat" == level)
-	{
-		LLGroupActions::startIM(group_id);
-	}
-	else if("info" == level)
-	{
-		LLGroupActions::show(group_id);
-	}
-	else if("end" == level)
-	{
-		LLGroupActions::endIM(group_id);
-	}
-}
-
-
-//////////////////////////////////////////////////////////////////////////
-//////////////////////////////////////////////////////////////////////////
-//////////////////////////////////////////////////////////////////////////
-
 LLChicletPanel::Params::Params()
 : chiclet_padding("chiclet_padding")
 , scrolling_offset("scrolling_offset")
@@ -1118,25 +430,11 @@ void LLChicletPanel::onMessageCountChanged(const LLSD& data)
 	LLUUID session_id = data["session_id"].asUUID();
 	S32 unread = data["participant_unread"].asInteger();
 
-	LLIMFloater* im_floater = LLIMFloater::findInstance(session_id);
+	LLFloaterIMSession* im_floater = LLFloaterIMSession::findInstance(session_id);
 	if (im_floater && im_floater->getVisible() && im_floater->hasFocus())
 	{
 		unread = 0;
 	}
-
-	std::list<LLChiclet*> chiclets = LLIMChiclet::sFindChicletsSignal(session_id);
-	std::list<LLChiclet *>::iterator iter;
-	for (iter = chiclets.begin(); iter != chiclets.end(); iter++) {
-		LLChiclet* chiclet = *iter;
-		if (chiclet != NULL)
-		{
-			chiclet->setCounter(unread);
-		}
-	    else
-	    {
-	    	llwarns << "Unable to set counter for chiclet " << session_id << llendl;
-	    }
-	}
 }
 
 void LLChicletPanel::objectChicletCallback(const LLSD& data)
@@ -1151,10 +449,6 @@ void LLChicletPanel::objectChicletCallback(const LLSD& data)
 		LLIMChiclet* chiclet = dynamic_cast<LLIMChiclet*>(*iter);
 		if (chiclet != NULL)
 		{
-			if(data.has("unread"))
-			{
-				chiclet->setCounter(data["unread"]);
-			}
 			chiclet->setShowNewMessagesIcon(new_message);
 		}
 	}
@@ -1196,28 +490,13 @@ void LLChicletPanel::onCurrentVoiceChannelChanged(const LLUUID& session_id)
 		LLIMChiclet* chiclet = dynamic_cast<LLIMChiclet*>(*it);
 		if(chiclet)
 		{
-			chiclet->setShowSpeaker(true);
 			if (gSavedSettings.getBOOL("OpenIMOnVoice"))
 			{
-				LLIMFloater::show(chiclet->getSessionId());
+				LLFloaterIMContainer::getInstance()->showConversation(session_id);
 			}
 		}
 	}
 
-	if(!s_previous_active_voice_session_id.isNull() && s_previous_active_voice_session_id != session_id)
-	{
-		chiclets = LLIMChiclet::sFindChicletsSignal(s_previous_active_voice_session_id);
-
-		for(std::list<LLChiclet *>::iterator it = chiclets.begin(); it != chiclets.end(); ++it)
-		{
-			LLIMChiclet* chiclet = dynamic_cast<LLIMChiclet*>(*it);
-			if(chiclet)
-			{
-				chiclet->setShowSpeaker(false);
-			}
-		}		
-	}
-
 	s_previous_active_voice_session_id = session_id;
 }
 
@@ -1690,7 +969,7 @@ bool LLChicletPanel::isAnyIMFloaterDoked()
 	for (chiclet_list_t::iterator it = mChicletList.begin(); it
 			!= mChicletList.end(); it++)
 	{
-		LLIMFloater* im_floater = LLFloaterReg::findTypedInstance<LLIMFloater>(
+		LLFloaterIMSession* im_floater = LLFloaterReg::findTypedInstance<LLFloaterIMSession>(
 				"impanel", (*it)->getSessionId());
 		if (im_floater != NULL && im_floater->getVisible()
 				&& !im_floater->isMinimized() && im_floater->isDocked())
@@ -1703,89 +982,17 @@ bool LLChicletPanel::isAnyIMFloaterDoked()
 	return res;
 }
 
-S32 LLChicletPanel::getTotalUnreadIMCount()
-{
-	S32 count = 0;
-	chiclet_list_t::const_iterator it = mChicletList.begin();
-	for( ; mChicletList.end() != it; ++it)
-	{
-		LLIMChiclet* chiclet = dynamic_cast<LLIMChiclet*>(*it);
-		if(chiclet)
-		{
-			count += chiclet->getCounter();
-		}
-	}
-	return count;
-}
-
 //////////////////////////////////////////////////////////////////////////
 //////////////////////////////////////////////////////////////////////////
 //////////////////////////////////////////////////////////////////////////
 LLChicletNotificationCounterCtrl::Params::Params()
-: max_displayed_count("max_displayed_count", 99)
-{
-}
-
-LLChicletNotificationCounterCtrl::LLChicletNotificationCounterCtrl(const Params& p)
- : LLTextBox(p)
- , mCounter(0)
- , mInitialWidth(0)
- , mMaxDisplayedCount(p.max_displayed_count)
-{
-	mInitialWidth = getRect().getWidth();
-}
-
-void LLChicletNotificationCounterCtrl::setCounter(S32 counter)
-{
-	mCounter = counter;
-
-	// note same code in LLSysWellChiclet::setCounter(S32 counter)
-	std::string s_count;
-	if(counter != 0)
-	{
-		static std::string more_messages_exist("+");
-		std::string more_messages(counter > mMaxDisplayedCount ? more_messages_exist : "");
-		s_count = llformat("%d%s"
-			, llmin(counter, mMaxDisplayedCount)
-			, more_messages.c_str()
-			);
-	}
-
-	if(mCounter != 0)
-	{
-		setText(s_count);
-	}
-	else
-	{
-		setText(std::string(""));
-	}
-}
-
-LLRect LLChicletNotificationCounterCtrl::getRequiredRect()
-{
-	LLRect rc;
-	S32 text_width = getTextPixelWidth();
-
-	rc.mRight = rc.mLeft + llmax(text_width, mInitialWidth);
-	
-	return rc;
-}
-
-void LLChicletNotificationCounterCtrl::setValue(const LLSD& value)
+	: max_displayed_count("max_displayed_count", 99)
 {
-	if(value.isInteger())
-		setCounter(value.asInteger());
-}
-
-LLSD LLChicletNotificationCounterCtrl::getValue() const
-{
-	return LLSD(getCounter());
 }
 
 //////////////////////////////////////////////////////////////////////////
 //////////////////////////////////////////////////////////////////////////
 //////////////////////////////////////////////////////////////////////////
-
 LLChicletAvatarIconCtrl::LLChicletAvatarIconCtrl(const Params& p)
  : LLAvatarIconCtrl(p)
 {
@@ -1795,29 +1002,6 @@ LLChicletAvatarIconCtrl::LLChicletAvatarIconCtrl(const Params& p)
 //////////////////////////////////////////////////////////////////////////
 //////////////////////////////////////////////////////////////////////////
 
-LLChicletGroupIconCtrl::LLChicletGroupIconCtrl(const Params& p)
-: LLIconCtrl(p)
-, mDefaultIcon(p.default_icon)
-{
-	setValue(LLUUID::null);
-}
-
-void LLChicletGroupIconCtrl::setValue(const LLSD& value )
-{
-	if(value.asUUID().isNull())
-	{
-		LLIconCtrl::setValue(mDefaultIcon);
-	}
-	else
-	{
-		LLIconCtrl::setValue(value);
-	}
-}
-
-//////////////////////////////////////////////////////////////////////////
-//////////////////////////////////////////////////////////////////////////
-//////////////////////////////////////////////////////////////////////////
-
 LLChicletInvOfferIconCtrl::LLChicletInvOfferIconCtrl(const Params& p)
 : LLChicletAvatarIconCtrl(p)
  , mDefaultIcon(p.default_icon)
@@ -1840,15 +1024,6 @@ void LLChicletInvOfferIconCtrl::setValue(const LLSD& value )
 //////////////////////////////////////////////////////////////////////////
 //////////////////////////////////////////////////////////////////////////
 
-LLChicletSpeakerCtrl::LLChicletSpeakerCtrl(const Params&p)
- : LLOutputMonitorCtrl(p)
-{
-}
-
-//////////////////////////////////////////////////////////////////////////
-//////////////////////////////////////////////////////////////////////////
-//////////////////////////////////////////////////////////////////////////
-
 LLScriptChiclet::Params::Params()
  : icon("icon")
  , chiclet_button("chiclet_button")
@@ -1884,11 +1059,6 @@ void LLScriptChiclet::setSessionId(const LLUUID& session_id)
 	setToolTip(LLScriptFloaterManager::getObjectName(session_id));
 }
 
-void LLScriptChiclet::setCounter(S32 counter)
-{
-	setShowNewMessagesIcon( counter > 0 );
-}
-
 void LLScriptChiclet::onMouseDown()
 {
 	LLScriptFloaterManager::getInstance()->toggleScriptFloater(getSessionId());
@@ -1967,11 +1137,6 @@ void LLInvOfferChiclet::setSessionId(const LLUUID& session_id)
 	}
 }
 
-void LLInvOfferChiclet::setCounter(S32 counter)
-{
-	setShowNewMessagesIcon( counter > 0 );
-}
-
 void LLInvOfferChiclet::onMouseDown()
 {
 	LLScriptFloaterManager::instance().toggleScriptFloater(getSessionId());
diff --git a/indra/newview/llchiclet.h b/indra/newview/llchiclet.h
index 19683492c2..efaf03384a 100644
--- a/indra/newview/llchiclet.h
+++ b/indra/newview/llchiclet.h
@@ -29,14 +29,11 @@
 
 #include "llavatariconctrl.h"
 #include "llbutton.h"
-#include "llpanel.h"
+#include "llnotifications.h"
 #include "lltextbox.h"
-#include "lloutputmonitorctrl.h"
-#include "llgroupmgr.h"
-#include "llimview.h"
 
 class LLMenuGL;
-class LLIMFloater;
+class LLFloaterIMSession;
 
 /**
  * Class for displaying amount of messages/notifications(unread).
@@ -48,11 +45,11 @@ public:
 	struct Params :	public LLInitParam::Block<Params, LLTextBox::Params>
 	{
 		/**
-		* Contains maximum displayed count of unread messages. Default value is 9.
-		*
-		* If count is less than "max_unread_count" will be displayed as is.
-		* Otherwise 9+ will be shown (for default value).
-		*/
+		 * Contains maximum displayed count of unread messages. Default value is 9.
+		 *
+		 * If count is less than "max_unread_count" will be displayed as is.
+		 * Otherwise 9+ will be shown (for default value).
+		 */
 		Optional<S32> max_displayed_count;
 
 		Params();
@@ -120,35 +117,6 @@ protected:
 };
 
 /**
- * Class for displaying group's icon in Group chiclet.
- */
-class LLChicletGroupIconCtrl : public LLIconCtrl
-{
-public:
-
-	struct Params :	public LLInitParam::Block<Params, LLIconCtrl::Params>
-	{
-		Optional<std::string> default_icon;
-
-		Params()
-		:	default_icon("default_icon", "Generic_Group")
-		{}
-	};
-
-	/**
-	 * Sets icon, if value is LLUUID::null - default icon will be set.
-	 */
-	virtual void setValue(const LLSD& value );
-
-protected:
-
-	LLChicletGroupIconCtrl(const Params& p);
-	friend class LLUICtrlFactory;
-
-	std::string mDefaultIcon;
-};
-
-/**
  * Class for displaying icon in inventory offer chiclet.
  */
 class LLChicletInvOfferIconCtrl : public LLChicletAvatarIconCtrl
@@ -182,23 +150,6 @@ private:
 };
 
 /**
- * Class for displaying of speaker's voice indicator 
- */
-class LLChicletSpeakerCtrl : public LLOutputMonitorCtrl
-{
-public:
-
-	struct Params : public LLInitParam::Block<Params, LLOutputMonitorCtrl::Params>
-	{
-		Params(){};
-	};
-protected:
-
-	LLChicletSpeakerCtrl(const Params&p);
-	friend class LLUICtrlFactory;
-};
-
-/**
  * Base class for all chiclets.
  */
 class LLChiclet : public LLUICtrl
@@ -213,7 +164,7 @@ public:
 		Params();
 	};
 
-	/*virtual*/ ~LLChiclet();
+	virtual ~LLChiclet() {}
 
 	/**
 	 * Associates chat session id with chiclet.
@@ -226,26 +177,11 @@ public:
 	virtual const LLUUID& getSessionId() const { return mSessionId; }
 
 	/**
-	 * Sets number of unread notifications.
-	 */
-	virtual void setCounter(S32 counter) = 0;
-
-	/**
-	 * Returns number of unread notifications.
-	 */
-	virtual S32 getCounter() = 0;
-
-	/**
 	 * Sets show counter state.
 	 */
 	virtual void setShowCounter(bool show) { mShowCounter = show; }
 
 	/**
-	 * Returns show counter state.
-	 */
-	virtual bool getShowCounter() {return mShowCounter;};
-
-	/**
 	 * Connects chiclet clicked event with callback.
 	 */
 	/*virtual*/ boost::signals2::connection setLeftButtonClickCallback(
@@ -322,6 +258,7 @@ public:
 	 * It is used for default setting up of chicklet:click handler, etc.  
 	 */
 	BOOL postBuild();
+
 	/**
 	 * Sets IM session name. This name will be displayed in chiclet tooltip.
 	 */
@@ -334,52 +271,11 @@ public:
 	virtual void setOtherParticipantId(const LLUUID& other_participant_id) { mOtherParticipantId = other_participant_id; }
 
 	/**
-	 * Gets id of person/group user is chatting with.
+	 * Enables/disables the counter control for a chiclet.
 	 */
-	virtual LLUUID getOtherParticipantId() { return mOtherParticipantId; }
-
-	/**
-	 * Init Speaker Control with speaker's ID
-	 */
-	virtual void initSpeakerControl();
-
-	/**
-	 * set status (Shows/Hide) for voice control.
-	 */
-	virtual void setShowSpeaker(bool show);
-
-	/**
-	 * Returns voice chat status control visibility.
-	 */
-	virtual bool getShowSpeaker() {return mShowSpeaker;};
-
-	/**
-	 * Shows/Hides for voice control for a chiclet.
-	 */
-	virtual void toggleSpeakerControl();
-
-	/**
-	* Sets number of unread messages. Will update chiclet's width if number text 
-	* exceeds size of counter and notify it's parent about size change.
-	*/
-	virtual void setCounter(S32);
-
-	/**
-	* Enables/disables the counter control for a chiclet.
-	*/
 	virtual void enableCounterControl(bool enable);
 
 	/**
-	* Sets show counter state.
-	*/
-	virtual void setShowCounter(bool show);
-
-	/**
-	* Shows/Hides for counter control for a chiclet.
-	*/
-	virtual void toggleCounterControl();
-
-	/**
 	* Sets required width for a chiclet according to visible controls.
 	*/
 	virtual void setRequiredWidth();
@@ -394,21 +290,6 @@ public:
 	 */
 	virtual bool getShowNewMessagesIcon();
 
-	virtual void draw();
-
-	/**
-	 * Determine whether given ID refers to a group or an IM chat session.
-	 * 
-	 * This is used when we need to chose what IM chiclet (P2P/group)
-	 * class to instantiate.
-	 * 
-	 * @param session_id session ID.
-	 * @return TYPE_GROUP in case of group chat session,
-	 *         TYPE_IM in case of P2P session,
-	 *         TYPE_UNKNOWN otherwise.
-	 */
-	static EType getIMSessionType(const LLUUID& session_id);
-
 	/**
 	 * The action taken on mouse down event.
 	 * 
@@ -450,8 +331,6 @@ protected:
 	S32 mDefaultWidth;
 
 	LLIconCtrl* mNewMessagesIcon;
-	LLChicletNotificationCounterCtrl* mCounterCtrl;
-	LLChicletSpeakerCtrl* mSpeakerCtrl;
 	LLButton* mChicletButton;
 
 	/** the id of another participant, either an avatar id or a group id*/
@@ -479,137 +358,6 @@ public:
 			sFindChicletsSignal;
 };
 
-/**
- * Implements P2P chiclet.
- */
-class LLIMP2PChiclet : public LLIMChiclet
-{
-public:
-	struct Params : public LLInitParam::Block<Params, LLIMChiclet::Params>
-	{
-		Optional<LLButton::Params> chiclet_button;
-
-		Optional<LLChicletAvatarIconCtrl::Params> avatar_icon;
-
-		Optional<LLChicletNotificationCounterCtrl::Params> unread_notifications;
-
-		Optional<LLChicletSpeakerCtrl::Params> speaker;
-
-		Optional<LLIconCtrl::Params> new_message_icon;
-
-		Optional<bool>	show_speaker;
-
-		Params();
-	};
-
-	/* virtual */ void setOtherParticipantId(const LLUUID& other_participant_id);
-
-	/**
-	 * Init Speaker Control with speaker's ID
-	 */
-	/*virtual*/ void initSpeakerControl();
-
-	/**
-	 * Returns number of unread messages.
-	 */
-	/*virtual*/ S32 getCounter() { return mCounterCtrl->getCounter(); }
-
-protected:
-	LLIMP2PChiclet(const Params& p);
-	friend class LLUICtrlFactory;
-
-	/**
-	 * Creates chiclet popup menu. Will create P2P or Group IM Chat menu 
-	 * based on other participant's id.
-	 */
-	virtual void createPopupMenu();
-
-	/**
-	 * Processes clicks on chiclet popup menu.
-	 */
-	virtual void onMenuItemClicked(const LLSD& user_data);
-
-	/** 
-	 * Enables/disables menus based on relationship with other participant.
-	 * Enables/disables "show session" menu item depending on visible IM floater existence.
-	 */
-	virtual void updateMenuItems();
-
-private:
-
-	LLChicletAvatarIconCtrl* mChicletIconCtrl;
-};
-
-/**
- * Implements AD-HOC chiclet.
- */
-class LLAdHocChiclet : public LLIMChiclet
-{
-public:
-	struct Params : public LLInitParam::Block<Params, LLIMChiclet::Params>
-	{
-		Optional<LLButton::Params> chiclet_button;
-
-		Optional<LLChicletAvatarIconCtrl::Params> avatar_icon;
-
-		Optional<LLChicletNotificationCounterCtrl::Params> unread_notifications;
-
-		Optional<LLChicletSpeakerCtrl::Params> speaker;
-
-		Optional<LLIconCtrl::Params> new_message_icon;
-
-		Optional<bool>	show_speaker;
-
-		Optional<LLColor4>	avatar_icon_color;
-
-		Params();
-	};
-
-	/**
-	 * Sets session id.
-	 * Session ID for group chat is actually Group ID.
-	 */
-	/*virtual*/ void setSessionId(const LLUUID& session_id);
-
-	/**
-	 * Keep Speaker Control with actual speaker's ID
-	 */
-	/*virtual*/ void draw();
-
-	/**
-	 * Init Speaker Control with speaker's ID
-	 */
-	/*virtual*/ void initSpeakerControl();
-
-	/**
-	 * Returns number of unread messages.
-	 */
-	/*virtual*/ S32 getCounter() { return mCounterCtrl->getCounter(); }
-
-protected:
-	LLAdHocChiclet(const Params& p);
-	friend class LLUICtrlFactory;
-
-	/**
-	 * Creates chiclet popup menu. Will create AdHoc Chat menu 
-	 * based on other participant's id.
-	 */
-	virtual void createPopupMenu();
-
-	/**
-	 * Processes clicks on chiclet popup menu.
-	 */
-	virtual void onMenuItemClicked(const LLSD& user_data);
-
-	/**
-	 * Finds a current speaker and resets the SpeakerControl with speaker's ID
-	 */
-	/*virtual*/ void switchToCurrentSpeaker();
-
-private:
-
-	LLChicletAvatarIconCtrl* mChicletIconCtrl;
-};
 
 /**
  * Chiclet for script floaters.
@@ -631,10 +379,6 @@ public:
 
 	/*virtual*/ void setSessionId(const LLUUID& session_id);
 
-	/*virtual*/ void setCounter(S32 counter);
-
-	/*virtual*/ S32 getCounter() { return 0; }
-
 	/**
 	 * Toggle script floater
 	 */
@@ -680,10 +424,6 @@ public:
 
 	/*virtual*/ void setSessionId(const LLUUID& session_id);
 
-	/*virtual*/ void setCounter(S32 counter);
-
-	/*virtual*/ S32 getCounter() { return 0; }
-
 	/**
 	 * Toggle script floater
 	 */
@@ -708,96 +448,13 @@ private:
 };
 
 /**
- * Implements Group chat chiclet.
- */
-class LLIMGroupChiclet : public LLIMChiclet, public LLGroupMgrObserver
-{
-public:
-
-	struct Params : public LLInitParam::Block<Params, LLIMChiclet::Params>
-	{
-		Optional<LLButton::Params> chiclet_button;
-
-		Optional<LLChicletGroupIconCtrl::Params> group_icon;
-
-		Optional<LLChicletNotificationCounterCtrl::Params> unread_notifications;
-
-		Optional<LLChicletSpeakerCtrl::Params> speaker;
-
-		Optional<LLIconCtrl::Params> new_message_icon;
-
-		Optional<bool>	show_speaker;
-
-		Params();
-	};
-
-	/**
-	 * Sets session id.
-	 * Session ID for group chat is actually Group ID.
-	 */
-	/*virtual*/ void setSessionId(const LLUUID& session_id);
-
-	/**
-	 * Keep Speaker Control with actual speaker's ID
-	 */
-	/*virtual*/ void draw();
-
-	/**
-	 * Callback for LLGroupMgrObserver, we get this when group data is available or changed.
-	 * Sets group icon.
-	 */
-	/*virtual*/ void changed(LLGroupChange gc);
-
-	/**
-	 * Init Speaker Control with speaker's ID
-	 */
-	/*virtual*/ void initSpeakerControl();
-
-	/**
-	 * Returns number of unread messages.
-	 */
-	/*virtual*/ S32 getCounter() { return mCounterCtrl->getCounter(); }
-
-	~LLIMGroupChiclet();
-
-protected:
-	LLIMGroupChiclet(const Params& p);
-	friend class LLUICtrlFactory;
-
-	/**
-	 * Finds a current speaker and resets the SpeakerControl with speaker's ID
-	 */
-	/*virtual*/ void switchToCurrentSpeaker();
-
-	/**
-	 * Creates chiclet popup menu. Will create P2P or Group IM Chat menu 
-	 * based on other participant's id.
-	 */
-	virtual void createPopupMenu();
-
-	/**
-	 * Processes clicks on chiclet popup menu.
-	 */
-	virtual void onMenuItemClicked(const LLSD& user_data);
-
-	/**
-	 * Enables/disables "show session" menu item depending on visible IM floater existence.
-	 */
-	virtual void updateMenuItems();
-
-private:
-
-	LLChicletGroupIconCtrl* mChicletIconCtrl;
-};
-
-/**
  * Implements notification chiclet. Used to display total amount of unread messages 
  * across all IM sessions, total amount of system notifications. See EXT-3147 for details
  */
 class LLSysWellChiclet : public LLChiclet
 {
 public:
-
+		
 	struct Params : public LLInitParam::Block<Params, LLChiclet::Params>
 	{
 		Optional<LLButton::Params> button;
@@ -843,7 +500,7 @@ protected:
 	 * There is an assumption that it will be called 2*N times to do not change its start state.
 	 * @see FlashToLitTimer
 	 */
-	void changeLitState();
+	void changeLitState(bool blink);
 
 	/**
 	 * Displays menu.
@@ -859,86 +516,58 @@ protected:
 	S32 mMaxDisplayedCount;
 	bool mIsNewMessagesState;
 
-	FlashToLitTimer* mFlashToLitTimer;
+	LLFlashTimer* mFlashToLitTimer;
 	LLContextMenu* mContextMenu;
 };
 
-/**
- * Class represented a chiclet for IM Well Icon.
- *
- * It displays a count of unread messages from other participants in all IM sessions.
- */
-class LLIMWellChiclet : public LLSysWellChiclet, LLIMSessionObserver
-{
-	friend class LLUICtrlFactory;
-public:
-	virtual void sessionAdded(const LLUUID& session_id, const std::string& name, const LLUUID& other_participant_id) {}
-	virtual void sessionRemoved(const LLUUID& session_id) { messageCountChanged(LLSD()); }
-	virtual void sessionIDUpdated(const LLUUID& old_session_id, const LLUUID& new_session_id) {}
-
-	~LLIMWellChiclet();
-protected:
-	LLIMWellChiclet(const Params& p);
-
-	/**
-	 * Processes clicks on chiclet popup menu.
-	 */
-	virtual void onMenuItemClicked(const LLSD& user_data);
-
-	/**
-	 * Enables chiclet menu items.
-	 */
-	bool enableMenuItem(const LLSD& user_data);
-
-	/**
-	 * Creates menu.
-	 */
-	/*virtual*/ void createMenu();
-
-	/**
-	 * Handles changes in a session (message was added, messages were read, etc.)
-	 *
-	 * It get total count of unread messages from a LLIMMgr in all opened sessions and display it.
-	 *
-	 * @param[in] session_data contains session related data, is not used now
-	 *		["session_id"] - id of an appropriate session
-	 *		["participant_unread"] - count of unread messages from "real" participants.
-	 *
-	 * @see LLIMMgr::getNumberOfUnreadParticipantMessages()
-	 */
-	void messageCountChanged(const LLSD& session_data);
-};
-
 class LLNotificationChiclet : public LLSysWellChiclet
 {
+	LOG_CLASS(LLNotificationChiclet);
+			
 	friend class LLUICtrlFactory;
 public:
 	struct Params : public LLInitParam::Block<Params, LLSysWellChiclet::Params>{};
-
+		
 protected:
+	struct ChicletNotificationChannel : public LLNotificationChannel
+	{
+		ChicletNotificationChannel(LLNotificationChiclet* chiclet) 
+			: LLNotificationChannel(LLNotificationChannel::Params().filter(filterNotification).name(chiclet->getSessionId().asString()))
+			, mChiclet(chiclet)
+		{
+			// connect counter handlers to the signals
+			connectToChannel("Group Notifications");
+			connectToChannel("Offer");
+			connectToChannel("Notifications");
+		}
+				
+		static bool filterNotification(LLNotificationPtr notify);
+		// connect counter updaters to the corresponding signals
+		/*virtual*/ void onAdd(LLNotificationPtr p) { mChiclet->setCounter(++mChiclet->mUreadSystemNotifications); }
+		/*virtual*/ void onDelete(LLNotificationPtr p) { mChiclet->setCounter(--mChiclet->mUreadSystemNotifications); }
+				
+		LLNotificationChiclet* const mChiclet;
+	};
+				
+	boost::scoped_ptr<ChicletNotificationChannel> mNotificationChannel;
+				
 	LLNotificationChiclet(const Params& p);
-
+				
 	/**
 	 * Processes clicks on chiclet menu.
 	 */
 	void onMenuItemClicked(const LLSD& user_data);
-
+				
 	/**
 	 * Enables chiclet menu items.
 	 */
 	bool enableMenuItem(const LLSD& user_data);
-
+				
 	/**
 	 * Creates menu.
 	 */
 	/*virtual*/ void createMenu();
 
-	// connect counter updaters to the corresponding signals
-	void connectCounterUpdatersToSignal(const std::string& notification_type);
-
-	// methods for updating a number of unread System notifications
-	void incUreadSystemNotifications() { setCounter(++mUreadSystemNotifications); }
-	void decUreadSystemNotifications() { setCounter(--mUreadSystemNotifications); }
 	/*virtual*/ void setCounter(S32 counter);
 	S32 mUreadSystemNotifications;
 };
@@ -1044,9 +673,7 @@ public:
 
 	S32 getMinWidth() const { return mMinWidth; }
 
-	S32 getTotalUnreadIMCount();
-
-	S32	notifyParent(const LLSD& info);
+	/*virtual*/ S32	notifyParent(const LLSD& info);
 
 	/**
 	 * Toggle chiclet by session id ON and toggle OFF all other chiclets.
diff --git a/indra/newview/llchicletbar.cpp b/indra/newview/llchicletbar.cpp
index f1bc51fbe7..a51c844775 100644
--- a/indra/newview/llchicletbar.cpp
+++ b/indra/newview/llchicletbar.cpp
@@ -25,16 +25,10 @@
  */
 
 #include "llviewerprecompiledheaders.h" // must be first include
-
 #include "llchicletbar.h"
 
-// library includes
-#include "llfloaterreg.h"
-#include "lllayoutstack.h"
-
-// newview includes
 #include "llchiclet.h"
-#include "llimfloater.h" // for LLIMFloater
+#include "lllayoutstack.h"
 #include "llpaneltopinfobar.h"
 #include "llsyswellwindow.h"
 
@@ -57,107 +51,14 @@ LLChicletBar::LLChicletBar(const LLSD&)
 :	mChicletPanel(NULL),
 	mToolbarStack(NULL)
 {
-	// Firstly add our self to IMSession observers, so we catch session events
-	// before chiclets do that.
-	LLIMMgr::getInstance()->addSessionObserver(this);
-
 	buildFromFile("panel_chiclet_bar.xml");
 }
 
-LLChicletBar::~LLChicletBar()
-{
-	if (!LLSingleton<LLIMMgr>::destroyed())
-	{
-		LLIMMgr::getInstance()->removeSessionObserver(this);
-	}
-}
-
-LLIMChiclet* LLChicletBar::createIMChiclet(const LLUUID& session_id)
-{
-	LLIMChiclet::EType im_chiclet_type = LLIMChiclet::getIMSessionType(session_id);
-
-	switch (im_chiclet_type)
-	{
-	case LLIMChiclet::TYPE_IM:
-		return getChicletPanel()->createChiclet<LLIMP2PChiclet>(session_id);
-	case LLIMChiclet::TYPE_GROUP:
-		return getChicletPanel()->createChiclet<LLIMGroupChiclet>(session_id);
-	case LLIMChiclet::TYPE_AD_HOC:
-		return getChicletPanel()->createChiclet<LLAdHocChiclet>(session_id);
-	case LLIMChiclet::TYPE_UNKNOWN:
-		break;
-	}
-
-	return NULL;
-}
-
-//virtual
-void LLChicletBar::sessionAdded(const LLUUID& session_id, const std::string& name, const LLUUID& other_participant_id)
-{
-	if (!getChicletPanel()) return;
-
-	LLIMModel::LLIMSession* session = LLIMModel::getInstance()->findIMSession(session_id);
-	if (!session) return;
-
-	// no need to spawn chiclets for participants in P2P calls called through Avaline
-	if (session->isP2P() && session->isOtherParticipantAvaline()) return;
-
-	if (getChicletPanel()->findChiclet<LLChiclet>(session_id)) return;
-
-	LLIMChiclet* chiclet = createIMChiclet(session_id);
-	if(chiclet)
-	{
-		chiclet->setIMSessionName(name);
-		chiclet->setOtherParticipantId(other_participant_id);
-		
-		LLIMFloater::onIMChicletCreated(session_id);
-
-	}
-	else
-	{
-		llwarns << "Could not create chiclet" << llendl;
-	}
-}
-
-//virtual
-void LLChicletBar::sessionRemoved(const LLUUID& session_id)
-{
-	if(getChicletPanel())
-	{
-		// IM floater should be closed when session removed and associated chiclet closed
-		LLIMFloater* iMfloater = LLFloaterReg::findTypedInstance<LLIMFloater>("impanel", session_id);
-		if (iMfloater != NULL)
-		{
-			iMfloater->closeFloater();
-		}
-
-		getChicletPanel()->removeChiclet(session_id);
-	}
-}
-
-void LLChicletBar::sessionIDUpdated(const LLUUID& old_session_id, const LLUUID& new_session_id)
-{
-	//this is only needed in case of outgoing ad-hoc/group chat sessions
-	LLChicletPanel* chiclet_panel = getChicletPanel();
-	if (chiclet_panel)
-	{
-		//it should be ad-hoc im chiclet or group im chiclet
-		LLChiclet* chiclet = chiclet_panel->findChiclet<LLChiclet>(old_session_id);
-		if (chiclet) chiclet->setSessionId(new_session_id);
-	}
-}
-
-S32 LLChicletBar::getTotalUnreadIMCount()
-{
-	return getChicletPanel()->getTotalUnreadIMCount();
-}
-
 BOOL LLChicletBar::postBuild()
 {
 	mToolbarStack = getChild<LLLayoutStack>("toolbar_stack");
 	mChicletPanel = getChild<LLChicletPanel>("chiclet_list");
 
-	showWellButton("im_well", !LLIMWellWindow::getInstance()->isWindowEmpty());
 	showWellButton("notification_well", !LLNotificationWellWindow::getInstance()->isWindowEmpty());
 
 	LLPanelTopInfoBar::instance().setResizeCallback(boost::bind(&LLChicletBar::fitWithTopInfoBar, this));
diff --git a/indra/newview/llchicletbar.h b/indra/newview/llchicletbar.h
index 1427bf95e0..956c82cb77 100644
--- a/indra/newview/llchicletbar.h
+++ b/indra/newview/llchicletbar.h
@@ -28,7 +28,6 @@
 #define LL_LLCHICLETBAR_H
 
 #include "llpanel.h"
-#include "llimview.h"
 
 class LLChicletPanel;
 class LLIMChiclet;
@@ -38,30 +37,17 @@ class LLLayoutStack;
 class LLChicletBar
 	: public LLSingleton<LLChicletBar>
 	, public LLPanel
-	, public LLIMSessionObserver
 {
 	LOG_CLASS(LLChicletBar);
 	friend class LLSingleton<LLChicletBar>;
 public:
-	~LLChicletBar();
 
 	BOOL postBuild();
 
 	LLChicletPanel*	getChicletPanel() { return mChicletPanel; }
 
-	// LLIMSessionObserver observe triggers
-	virtual void sessionAdded(const LLUUID& session_id, const std::string& name, const LLUUID& other_participant_id);
-	virtual void sessionRemoved(const LLUUID& session_id);
-	void sessionIDUpdated(const LLUUID& old_session_id, const LLUUID& new_session_id);
-
-	S32 getTotalUnreadIMCount();
-
 	/*virtual*/ void reshape(S32 width, S32 height, BOOL called_from_parent);
 
-	/**
-	 * Creates IM Chiclet based on session type (IM chat or Group chat)
-	 */
-	LLIMChiclet* createIMChiclet(const LLUUID& session_id);
 
 	/**
 	 * Shows/hides panel with specified well button (IM or Notification)
diff --git a/indra/newview/llcommunicationchannel.cpp b/indra/newview/llcommunicationchannel.cpp
new file mode 100644
index 0000000000..4b0a70ffd8
--- /dev/null
+++ b/indra/newview/llcommunicationchannel.cpp
@@ -0,0 +1,79 @@
+/** 
+* @file llcommunicationchannel.cpp
+* @brief Implementation of llcommunicationchannel
+* @author Stinson@lindenlab.com
+*
+* $LicenseInfo:firstyear=2012&license=viewerlgpl$
+* Second Life Viewer Source Code
+* Copyright (C) 2012, Linden Research, Inc.
+*
+* This library is free software; you can redistribute it and/or
+* modify it under the terms of the GNU Lesser General Public
+* License as published by the Free Software Foundation;
+* version 2.1 of the License only.
+*
+* This library is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+* Lesser General Public License for more details.
+*
+* You should have received a copy of the GNU Lesser General Public
+* License along with this library; if not, write to the Free Software
+* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+*
+* Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+* $/LicenseInfo$
+*/
+
+#include "llviewerprecompiledheaders.h" // must be first include
+
+#include "llcommunicationchannel.h"
+
+#include <string>
+#include <map>
+
+#include "llagent.h"
+#include "lldate.h"
+#include "llnotifications.h"
+
+
+LLCommunicationChannel::LLCommunicationChannel(const std::string& pName, const std::string& pParentName)
+	: LLNotificationChannel(pName, pParentName, filterByDoNotDisturbStatus)
+	, mHistory()
+{
+}
+
+LLCommunicationChannel::~LLCommunicationChannel()
+{
+}
+
+bool LLCommunicationChannel::filterByDoNotDisturbStatus(LLNotificationPtr)
+{
+	return !gAgent.isDoNotDisturb();
+}
+
+LLCommunicationChannel::history_list_t::const_iterator LLCommunicationChannel::beginHistory() const
+{
+	return mHistory.begin();
+}
+
+LLCommunicationChannel::history_list_t::const_iterator LLCommunicationChannel::endHistory() const
+{
+	return mHistory.end();
+}
+
+void LLCommunicationChannel::clearHistory()
+{
+	mHistory.clear();
+}
+
+void LLCommunicationChannel::onFilterFail(LLNotificationPtr pNotificationPtr)
+{
+	std::string notificationType = pNotificationPtr->getType();
+	if ((notificationType == "groupnotify")
+		|| (notificationType == "offer")
+		|| (notificationType == "notifytoast"))
+	{
+		mHistory.insert(std::make_pair<LLDate, LLNotificationPtr>(pNotificationPtr->getDate(), pNotificationPtr));
+	}
+}
diff --git a/indra/newview/llcommunicationchannel.h b/indra/newview/llcommunicationchannel.h
new file mode 100644
index 0000000000..0e15e1cd15
--- /dev/null
+++ b/indra/newview/llcommunicationchannel.h
@@ -0,0 +1,61 @@
+/** 
+* @file   llcommunicationchannel.h
+* @brief  Header file for llcommunicationchannel
+* @author Stinson@lindenlab.com
+*
+* $LicenseInfo:firstyear=2012&license=viewerlgpl$
+* Second Life Viewer Source Code
+* Copyright (C) 2012, Linden Research, Inc.
+*
+* This library is free software; you can redistribute it and/or
+* modify it under the terms of the GNU Lesser General Public
+* License as published by the Free Software Foundation;
+* version 2.1 of the License only.
+*
+* This library is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+* Lesser General Public License for more details.
+*
+* You should have received a copy of the GNU Lesser General Public
+* License along with this library; if not, write to the Free Software
+* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+*
+* Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+* $/LicenseInfo$
+*/
+#ifndef LL_LLCOMMUNICATIONCHANNEL_H
+#define LL_LLCOMMUNICATIONCHANNEL_H
+
+#include <string>
+#include <map>
+
+#include "lldate.h"
+#include "llerror.h"
+#include "llnotifications.h"
+
+class LLCommunicationChannel : public LLNotificationChannel
+{
+	LOG_CLASS(LLCommunicationChannel);
+public:
+	LLCommunicationChannel(const std::string& pName, const std::string& pParentName);
+	virtual ~LLCommunicationChannel();
+
+	static bool filterByDoNotDisturbStatus(LLNotificationPtr);
+
+	typedef std::multimap<LLDate, LLNotificationPtr> history_list_t;
+	history_list_t::const_iterator beginHistory() const;
+	history_list_t::const_iterator endHistory() const;
+	
+	void clearHistory();
+
+protected:
+	virtual void onFilterFail(LLNotificationPtr pNotificationPtr);
+
+private:
+
+	history_list_t mHistory;
+};
+
+#endif // LL_LLCOMMUNICATIONCHANNEL_H
+
diff --git a/indra/newview/llconversationlog.cpp b/indra/newview/llconversationlog.cpp
new file mode 100644
index 0000000000..ff1f819d7d
--- /dev/null
+++ b/indra/newview/llconversationlog.cpp
@@ -0,0 +1,532 @@
+/**
+ * @file llconversationlog.h
+ *
+ * $LicenseInfo:firstyear=2002&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2012, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#include "llviewerprecompiledheaders.h"
+
+#include "llagent.h"
+#include "llavatarnamecache.h"
+#include "llconversationlog.h"
+#include "lltrans.h"
+
+const int CONVERSATION_LIFETIME = 30; // lifetime of LLConversation is 30 days by spec
+
+struct Conversation_params
+{
+	Conversation_params(time_t time)
+	:	mTime(time),
+		mTimestamp(LLConversation::createTimestamp(time))
+	{}
+
+	time_t		mTime;
+	std::string	mTimestamp;
+	SessionType	mConversationType;
+	std::string	mConversationName;
+	std::string	mHistoryFileName;
+	LLUUID		mSessionID;
+	LLUUID		mParticipantID;
+	bool		mHasOfflineIMs;
+};
+
+/************************************************************************/
+/*             LLConversation implementation                            */
+/************************************************************************/
+
+LLConversation::LLConversation(const Conversation_params& params)
+:	mTime(params.mTime),
+	mTimestamp(params.mTimestamp),
+	mConversationType(params.mConversationType),
+	mConversationName(params.mConversationName),
+	mHistoryFileName(params.mHistoryFileName),
+	mSessionID(params.mSessionID),
+	mParticipantID(params.mParticipantID),
+	mHasOfflineIMs(params.mHasOfflineIMs)
+{
+	setListenIMFloaterOpened();
+}
+
+LLConversation::LLConversation(const LLIMModel::LLIMSession& session)
+:	mTime(time_corrected()),
+	mTimestamp(createTimestamp(mTime)),
+	mConversationType(session.mSessionType),
+	mConversationName(session.mName),
+	mHistoryFileName(session.mHistoryFileName),
+	mSessionID(session.isOutgoingAdHoc() ? session.generateOutgouigAdHocHash() : session.mSessionID),
+	mParticipantID(session.mOtherParticipantID),
+	mHasOfflineIMs(session.mHasOfflineMessage)
+{
+	setListenIMFloaterOpened();
+}
+
+LLConversation::LLConversation(const LLConversation& conversation)
+{
+	mTime				= conversation.getTime();
+	mTimestamp			= conversation.getTimestamp();
+	mConversationType	= conversation.getConversationType();
+	mConversationName	= conversation.getConversationName();
+	mHistoryFileName	= conversation.getHistoryFileName();
+	mSessionID			= conversation.getSessionID();
+	mParticipantID		= conversation.getParticipantID();
+	mHasOfflineIMs		= conversation.hasOfflineMessages();
+
+	setListenIMFloaterOpened();
+}
+
+LLConversation::~LLConversation()
+{
+	mIMFloaterShowedConnection.disconnect();
+}
+
+void LLConversation::updateTimestamp()
+{
+	mTime = time_corrected();
+	mTimestamp = createTimestamp(mTime);
+}
+
+void LLConversation::onIMFloaterShown(const LLUUID& session_id)
+{
+	if (mSessionID == session_id)
+	{
+		mHasOfflineIMs = false;
+	}
+}
+
+// static
+const std::string LLConversation::createTimestamp(const time_t& utc_time)
+{
+	std::string timeStr;
+	LLSD substitution;
+	substitution["datetime"] = (S32) utc_time;
+
+	timeStr = "["+LLTrans::getString ("TimeMonth")+"]/["
+				 +LLTrans::getString ("TimeDay")+"]/["
+				 +LLTrans::getString ("TimeYear")+"] ["
+				 +LLTrans::getString ("TimeHour")+"]:["
+				 +LLTrans::getString ("TimeMin")+"]";
+
+
+	LLStringUtil::format (timeStr, substitution);
+	return timeStr;
+}
+
+bool LLConversation::isOlderThan(U32 days) const
+{
+	time_t now = time_corrected();
+	U32 age = (U32)((now - mTime) / SEC_PER_DAY); // age of conversation in days
+
+	return age > days;
+}
+
+void LLConversation::setListenIMFloaterOpened()
+{
+	LLFloaterIMSession* floater = LLFloaterIMSession::findInstance(mSessionID);
+
+	bool offline_ims_visible = LLFloaterIMSession::isVisible(floater) && floater->hasFocus();
+
+	// we don't need to listen for im floater with this conversation is opened
+	// if floater is already opened or this conversation doesn't have unread offline messages
+	if (mHasOfflineIMs && !offline_ims_visible)
+	{
+		mIMFloaterShowedConnection = LLFloaterIMSession::setIMFloaterShowedCallback(boost::bind(&LLConversation::onIMFloaterShown, this, _1));
+	}
+	else
+	{
+		mHasOfflineIMs = false;
+	}
+}
+
+/************************************************************************/
+/*             LLConversationLogFriendObserver implementation           */
+/************************************************************************/
+
+// Note : An LLSingleton like LLConversationLog cannot be an LLFriendObserver 
+// at the same time.
+// This is because avatar observers are deleted by the observed object which 
+// conflicts with the way LLSingleton are deleted.
+
+class LLConversationLogFriendObserver : public LLFriendObserver
+{
+public:
+	LLConversationLogFriendObserver() {}
+	virtual ~LLConversationLogFriendObserver() {}
+	virtual void changed(U32 mask);
+};
+
+void LLConversationLogFriendObserver::changed(U32 mask)
+{
+	if (mask & (LLFriendObserver::ADD | LLFriendObserver::REMOVE))
+	{
+		LLConversationLog::instance().notifyObservers();
+	}
+}
+
+/************************************************************************/
+/*             LLConversationLog implementation                         */
+/************************************************************************/
+
+LLConversationLog::LLConversationLog() :
+	mAvatarNameCacheConnection()
+{
+	LLControlVariable* log_instant_message = gSavedPerAccountSettings.getControl("LogInstantMessages").get();
+	LLControlVariable* keep_convers_log = gSavedSettings.getControl("KeepConversationLogTranscripts").get();
+	bool is_log_message = false;
+	bool is_keep_log = false;
+
+	if (log_instant_message)
+	{
+		log_instant_message->getSignal()->connect(boost::bind(&LLConversationLog::enableLogging, this, _2));
+		is_log_message = log_instant_message->getValue().asBoolean();
+	}
+	if (keep_convers_log)
+	{
+		keep_convers_log->getSignal()->connect(boost::bind(&LLConversationLog::enableLogging, this, _2));
+		is_keep_log = keep_convers_log->getValue().asBoolean();
+	}
+
+	enableLogging(is_log_message && is_keep_log);
+}
+
+void LLConversationLog::enableLogging(bool enable)
+{
+	if (enable)
+	{
+		loadFromFile(getFileName());
+
+		LLIMMgr::instance().addSessionObserver(this);
+		newMessageSignalConnection = LLIMModel::instance().addNewMsgCallback(boost::bind(&LLConversationLog::onNewMessageReceived, this, _1));
+
+		mFriendObserver = new LLConversationLogFriendObserver;
+		LLAvatarTracker::instance().addObserver(mFriendObserver);
+	}
+	else
+	{
+		saveToFile(getFileName());
+
+		LLIMMgr::instance().removeSessionObserver(this);
+		newMessageSignalConnection.disconnect();
+		LLAvatarTracker::instance().removeObserver(mFriendObserver);
+		mConversations.clear();
+	}
+
+	notifyObservers();
+}
+
+void LLConversationLog::logConversation(const LLUUID& session_id, BOOL has_offline_msg)
+{
+	const LLIMModel::LLIMSession* session = LLIMModel::instance().findIMSession(session_id);
+	LLConversation* conversation = findConversation(session);
+
+    if (session)
+	{
+    	if (conversation)
+		{
+			if(has_offline_msg)
+			{
+				updateOfflineIMs(session, has_offline_msg);
+			}
+			updateConversationTimestamp(conversation);
+		}
+		else
+		{
+			createConversation(session);
+		}
+	}
+}
+
+void LLConversationLog::createConversation(const LLIMModel::LLIMSession* session)
+{
+	if (session)
+	{
+		LLConversation conversation(*session);
+		mConversations.push_back(conversation);
+
+		if (LLIMModel::LLIMSession::P2P_SESSION == session->mSessionType)
+		{
+			if (mAvatarNameCacheConnection.connected())
+			{
+				mAvatarNameCacheConnection.disconnect();
+			}
+			mAvatarNameCacheConnection = LLAvatarNameCache::get(session->mOtherParticipantID, boost::bind(&LLConversationLog::onAvatarNameCache, this, _1, _2, session));
+		}
+
+		notifyObservers();
+	}
+}
+
+void LLConversationLog::updateConversationName(const LLIMModel::LLIMSession* session, const std::string& name)
+{
+	if (!session)
+	{
+		return;
+	}
+
+	LLConversation* conversation = findConversation(session);
+	if (conversation)
+	{
+		conversation->setConverstionName(name);
+		notifyParticularConversationObservers(conversation->getSessionID(), LLConversationLogObserver::CHANGED_NAME);
+	}
+}
+
+void LLConversationLog::updateOfflineIMs(const LLIMModel::LLIMSession* session, BOOL new_messages)
+{
+	if (!session)
+	{
+		return;
+	}
+
+	LLConversation* conversation = findConversation(session);
+	if (conversation)
+	{
+		conversation->setOfflineMessages(new_messages);
+		notifyParticularConversationObservers(conversation->getSessionID(), LLConversationLogObserver::CHANGED_OfflineIMs);
+	}
+}
+
+void LLConversationLog::updateConversationTimestamp(LLConversation* conversation)
+{
+	if (conversation)
+	{
+		conversation->updateTimestamp();
+		notifyParticularConversationObservers(conversation->getSessionID(), LLConversationLogObserver::CHANGED_TIME);
+	}
+}
+
+LLConversation* LLConversationLog::findConversation(const LLIMModel::LLIMSession* session)
+{
+	if (session)
+	{
+		const LLUUID session_id = session->isOutgoingAdHoc() ? session->generateOutgouigAdHocHash() : session->mSessionID;
+
+		conversations_vec_t::iterator conv_it = mConversations.begin();
+		for(; conv_it != mConversations.end(); ++conv_it)
+		{
+			if (conv_it->getSessionID() == session_id)
+			{
+				return &*conv_it;
+			}
+		}
+	}
+
+	return NULL;
+}
+
+void LLConversationLog::removeConversation(const LLConversation& conversation)
+{
+	conversations_vec_t::iterator conv_it = mConversations.begin();
+	for(; conv_it != mConversations.end(); ++conv_it)
+	{
+		if (conv_it->getSessionID() == conversation.getSessionID() && conv_it->getTime() == conversation.getTime())
+		{
+			mConversations.erase(conv_it);
+			notifyObservers();
+			return;
+		}
+	}
+}
+
+const LLConversation* LLConversationLog::getConversation(const LLUUID& session_id)
+{
+	conversations_vec_t::const_iterator conv_it = mConversations.begin();
+	for(; conv_it != mConversations.end(); ++conv_it)
+	{
+		if (conv_it->getSessionID() == session_id)
+		{
+			return &*conv_it;
+		}
+	}
+
+	return NULL;
+}
+
+void LLConversationLog::addObserver(LLConversationLogObserver* observer)
+{
+	mObservers.insert(observer);
+}
+
+void LLConversationLog::removeObserver(LLConversationLogObserver* observer)
+{
+	mObservers.erase(observer);
+}
+
+void LLConversationLog::sessionAdded(const LLUUID& session_id, const std::string& name, const LLUUID& other_participant_id, BOOL has_offline_msg)
+{
+	logConversation(session_id, has_offline_msg);
+}
+
+void LLConversationLog::cache()
+{
+	if (gSavedPerAccountSettings.getBOOL("LogInstantMessages"))
+	{
+		saveToFile(getFileName());
+	}
+}
+
+std::string LLConversationLog::getFileName()
+{
+	std::string filename = "conversation";
+	return gDirUtilp->getExpandedFilename(LL_PATH_PER_SL_ACCOUNT, filename) + ".log";
+}
+
+bool LLConversationLog::saveToFile(const std::string& filename)
+{
+	if (!filename.size())
+	{
+		llwarns << "Call log list filename is empty!" << llendl;
+		return false;
+	}
+
+	LLFILE* fp = LLFile::fopen(filename, "wb");
+	if (!fp)
+	{
+		llwarns << "Couldn't open call log list" << filename << llendl;
+		return false;
+	}
+
+	std::string participant_id;
+	std::string conversation_id;
+
+	conversations_vec_t::const_iterator conv_it = mConversations.begin();
+	for (; conv_it != mConversations.end(); ++conv_it)
+	{
+		conv_it->getSessionID().toString(conversation_id);
+		conv_it->getParticipantID().toString(participant_id);
+
+		// examples of two file entries
+		// [1343221177] 0 1 0 John Doe| 7e4ec5be-783f-49f5-71dz-16c58c64c145 4ec62a74-c246-0d25-2af6-846beac2aa55 john.doe|
+		// [1343222639] 2 0 0 Ad-hoc Conference| c3g67c89-c479-4c97-b21d-32869bcfe8rc 68f1c33e-4135-3e3e-a897-8c9b23115c09 Ad-hoc Conference hash597394a0-9982-766d-27b8-c75560213b9a|
+
+		fprintf(fp, "[%lld] %d %d %d %s| %s %s %s|\n",
+				(S64)conv_it->getTime(),
+				(S32)conv_it->getConversationType(),
+				(S32)0,
+				(S32)conv_it->hasOfflineMessages(),
+				     conv_it->getConversationName().c_str(),
+				participant_id.c_str(),
+				conversation_id.c_str(),
+				conv_it->getHistoryFileName().c_str());
+	}
+	fclose(fp);
+	return true;
+}
+bool LLConversationLog::loadFromFile(const std::string& filename)
+{
+	if(!filename.size())
+	{
+		llwarns << "Call log list filename is empty!" << llendl;
+		return false;
+	}
+
+	LLFILE* fp = LLFile::fopen(filename, "rb");
+	if (!fp)
+	{
+		llwarns << "Couldn't open call log list" << filename << llendl;
+		return false;
+	}
+
+	char buffer[MAX_STRING];
+	char conv_name_buffer[MAX_STRING];
+	char part_id_buffer[MAX_STRING];
+	char conv_id_buffer[MAX_STRING];
+	char history_file_name[MAX_STRING];
+	int has_offline_ims;
+	int stype;
+	time_t time;
+	// before CHUI-348 it was a flag of conversation voice state
+	int prereserved_unused;
+
+	while (!feof(fp) && fgets(buffer, MAX_STRING, fp))
+	{
+		conv_name_buffer[0] = '\0';
+		part_id_buffer[0]	= '\0';
+		conv_id_buffer[0]	= '\0';
+
+		sscanf(buffer, "[%ld] %d %d %d %[^|]| %s %s %[^|]|",
+				&time,
+				&stype,
+				&prereserved_unused,
+				&has_offline_ims,
+				conv_name_buffer,
+				part_id_buffer,
+				conv_id_buffer,
+				history_file_name);
+
+		Conversation_params params(time);
+		params.mConversationType = (SessionType)stype;
+		params.mHasOfflineIMs = has_offline_ims;
+		params.mConversationName = std::string(conv_name_buffer);
+		params.mParticipantID = LLUUID(part_id_buffer);
+		params.mSessionID = LLUUID(conv_id_buffer);
+		params.mHistoryFileName = std::string(history_file_name);
+
+		LLConversation conversation(params);
+
+		// CHUI-325
+		// The conversation log should be capped to the last 30 days. Conversations with the last utterance
+		// being over 30 days old should be purged from the conversation log text file on login.
+		if (conversation.isOlderThan(CONVERSATION_LIFETIME))
+		{
+			continue;
+		}
+
+		mConversations.push_back(conversation);
+	}
+	fclose(fp);
+
+	LLFile::remove(filename);
+	cache();
+
+	notifyObservers();
+	return true;
+}
+
+void LLConversationLog::notifyObservers()
+{
+	std::set<LLConversationLogObserver*>::const_iterator iter = mObservers.begin();
+	for (; iter != mObservers.end(); ++iter)
+	{
+		(*iter)->changed();
+	}
+}
+
+void LLConversationLog::notifyParticularConversationObservers(const LLUUID& session_id, U32 mask)
+{
+	std::set<LLConversationLogObserver*>::const_iterator iter = mObservers.begin();
+	for (; iter != mObservers.end(); ++iter)
+	{
+		(*iter)->changed(session_id, mask);
+	}
+}
+
+void LLConversationLog::onNewMessageReceived(const LLSD& data)
+{
+	const LLUUID session_id = data["session_id"].asUUID();
+	logConversation(session_id, false);
+}
+
+void LLConversationLog::onAvatarNameCache(const LLUUID& participant_id, const LLAvatarName& av_name, const LLIMModel::LLIMSession* session)
+{
+	mAvatarNameCacheConnection.disconnect();
+	updateConversationName(session, av_name.getCompleteName());
+}
diff --git a/indra/newview/llconversationlog.h b/indra/newview/llconversationlog.h
new file mode 100644
index 0000000000..35462ec3a4
--- /dev/null
+++ b/indra/newview/llconversationlog.h
@@ -0,0 +1,205 @@
+/**
+ * @file llconversationlog.h
+ *
+ * $LicenseInfo:firstyear=2002&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2012, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifndef LLCONVERSATIONLOG_H_
+#define LLCONVERSATIONLOG_H_
+
+#include "llcallingcard.h"
+#include "llfloaterimsession.h"
+#include "llimview.h"
+
+class LLConversationLogObserver;
+struct Conversation_params;
+
+typedef LLIMModel::LLIMSession::SType SessionType;
+
+/*
+ * This class represents a particular session(conversation) of any type(im/voice/p2p/group/...) by storing some of session's data.
+ * Each LLConversation object has a corresponding visual representation in a form of LLConversationLogListItem.
+ */
+class LLConversation
+{
+public:
+
+	LLConversation(const Conversation_params& params);
+	LLConversation(const LLIMModel::LLIMSession& session);
+	LLConversation(const LLConversation& conversation);
+
+	~LLConversation();
+
+	const SessionType&	getConversationType()	const	{ return mConversationType; }
+	const std::string&	getConversationName()	const	{ return mConversationName; }
+	const std::string&	getHistoryFileName()	const	{ return mHistoryFileName; }
+	const LLUUID&		getSessionID()			const	{ return mSessionID; }
+	const LLUUID&		getParticipantID()		const	{ return mParticipantID; }
+	const std::string&	getTimestamp()			const	{ return mTimestamp; }
+	const time_t&		getTime()				const	{ return mTime; }
+	bool				hasOfflineMessages()	const	{ return mHasOfflineIMs; }
+
+	void setConverstionName(std::string conv_name) { mConversationName = conv_name; }
+	void setOfflineMessages(bool new_messages) { mHasOfflineIMs = new_messages; }
+	bool isOlderThan(U32 days) const;
+
+	/*
+	 * updates last interaction time
+	 */
+	void updateTimestamp();
+
+	/*
+	 * Resets flag of unread offline message to false when im floater with this conversation is opened.
+	 */
+	void onIMFloaterShown(const LLUUID& session_id);
+
+	/*
+	 * returns string representation(in form of: mm/dd/yyyy hh:mm) of time when conversation was started
+	 */
+	static const std::string createTimestamp(const time_t& utc_time);
+
+private:
+
+	/*
+	 * If conversation has unread offline messages sets callback for opening LLFloaterIMSession
+	 * with this conversation.
+	 */
+	void setListenIMFloaterOpened();
+
+	boost::signals2::connection mIMFloaterShowedConnection;
+
+	time_t			mTime; // last interaction time
+	SessionType		mConversationType;
+	std::string		mConversationName;
+	std::string		mHistoryFileName;
+	LLUUID			mSessionID;
+	LLUUID			mParticipantID;
+	bool			mHasOfflineIMs;
+	std::string		mTimestamp; // last interaction time in form of: mm/dd/yyyy hh:mm
+};
+
+/**
+ * LLConversationLog stores all agent's conversations.
+ * This class is responsible for creating and storing LLConversation objects when im or voice session starts.
+ * Also this class saves/retrieves conversations to/from file.
+ *
+ * Also please note that it may be several conversations with the same sessionID stored in the conversation log.
+ * To distinguish two conversations with the same sessionID it's also needed to compare their creation date.
+ */
+
+class LLConversationLog : public LLSingleton<LLConversationLog>, LLIMSessionObserver
+{
+	friend class LLSingleton<LLConversationLog>;
+public:
+
+	void removeConversation(const LLConversation& conversation);
+
+	/**
+	 * Returns first conversation with matched session_id
+	 */
+	const LLConversation*				getConversation(const LLUUID& session_id);
+	const std::vector<LLConversation>&	getConversations() { return mConversations; }
+
+	void addObserver(LLConversationLogObserver* observer);
+	void removeObserver(LLConversationLogObserver* observer);
+
+	// LLIMSessionObserver triggers
+	virtual void sessionAdded(const LLUUID& session_id, const std::string& name, const LLUUID& other_participant_id, BOOL has_offline_msg);
+    virtual void sessionActivated(const LLUUID& session_id, const std::string& name, const LLUUID& other_participant_id) {}; // Stub
+	virtual void sessionRemoved(const LLUUID& session_id){}											// Stub
+	virtual void sessionVoiceOrIMStarted(const LLUUID& session_id){};								// Stub
+	virtual void sessionIDUpdated(const LLUUID& old_session_id, const LLUUID& new_session_id){};	// Stub
+
+	void notifyObservers();
+
+	void onNewMessageReceived(const LLSD& data);
+
+	/**
+	 * public method which is called on viewer exit to save conversation log
+	 */
+	void cache();
+
+private:
+
+	LLConversationLog();
+	virtual ~LLConversationLog()
+	{
+		if (mAvatarNameCacheConnection.connected())
+		{
+			mAvatarNameCacheConnection.disconnect();
+		}
+	}
+	
+	void enableLogging(bool enable);
+
+	/**
+	 * adds conversation to the conversation list and notifies observers
+	 */
+	void logConversation(const LLUUID& session_id, BOOL has_offline_msg);
+
+	void notifyParticularConversationObservers(const LLUUID& session_id, U32 mask);
+
+	/**
+	 * constructs file name in which conversations log will be saved
+	 * file name is conversation.log
+	 */
+	std::string getFileName();
+
+	bool saveToFile(const std::string& filename);
+	bool loadFromFile(const std::string& filename);
+
+	void onAvatarNameCache(const LLUUID& participant_id, const LLAvatarName& av_name, const LLIMModel::LLIMSession* session);
+
+	void createConversation(const LLIMModel::LLIMSession* session);
+	void updateConversationTimestamp(LLConversation* conversation);
+	void updateConversationName(const LLIMModel::LLIMSession* session, const std::string& name);
+	void updateOfflineIMs(const LLIMModel::LLIMSession* session, BOOL new_messages);
+
+	LLConversation* findConversation(const LLIMModel::LLIMSession* session);
+
+	typedef std::vector<LLConversation> conversations_vec_t;
+	std::vector<LLConversation>				mConversations;
+	std::set<LLConversationLogObserver*>	mObservers;
+
+	LLFriendObserver* mFriendObserver;		// Observer of the LLAvatarTracker instance
+
+	boost::signals2::connection newMessageSignalConnection;
+	boost::signals2::connection mAvatarNameCacheConnection;
+};
+
+class LLConversationLogObserver
+{
+public:
+
+	enum EConversationChange
+		{
+			CHANGED_TIME = 1, // last interaction time changed
+			CHANGED_NAME = 2,  // conversation name changed
+			CHANGED_OfflineIMs = 3
+		};
+
+	virtual ~LLConversationLogObserver(){}
+	virtual void changed() = 0;
+	virtual void changed(const LLUUID& session_id, U32 mask){};
+};
+
+#endif /* LLCONVERSATIONLOG_H_ */
diff --git a/indra/newview/llconversationloglist.cpp b/indra/newview/llconversationloglist.cpp
new file mode 100644
index 0000000000..6dbcb7bef7
--- /dev/null
+++ b/indra/newview/llconversationloglist.cpp
@@ -0,0 +1,488 @@
+/**
+ * @file llconversationloglist.cpp
+ *
+ * $LicenseInfo:firstyear=2002&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2012, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#include "llviewerprecompiledheaders.h"
+
+#include "llavataractions.h"
+#include "llagent.h"
+#include "llfloaterreg.h"
+#include "llfloaterconversationpreview.h"
+#include "llgroupactions.h"
+#include "llconversationloglist.h"
+#include "llconversationloglistitem.h"
+#include "llviewermenu.h"
+
+static LLDefaultChildRegistry::Register<LLConversationLogList> r("conversation_log_list");
+
+static LLConversationLogListNameComparator NAME_COMPARATOR;
+static LLConversationLogListDateComparator DATE_COMPARATOR;
+
+LLConversationLogList::LLConversationLogList(const Params& p)
+:	LLFlatListViewEx(p),
+	mIsDirty(true)
+{
+	LLConversationLog::instance().addObserver(this);
+
+	// Set up context menu.
+	LLUICtrl::CommitCallbackRegistry::ScopedRegistrar registrar;
+	LLUICtrl::EnableCallbackRegistry::ScopedRegistrar check_registrar;
+	LLUICtrl::EnableCallbackRegistry::ScopedRegistrar enable_registrar;
+
+	registrar.add		("Calllog.Action",	boost::bind(&LLConversationLogList::onCustomAction,	this, _2));
+	check_registrar.add ("Calllog.Check",	boost::bind(&LLConversationLogList::isActionChecked,this, _2));
+	enable_registrar.add("Calllog.Enable",	boost::bind(&LLConversationLogList::isActionEnabled,this, _2));
+
+	LLToggleableMenu* context_menu = LLUICtrlFactory::getInstance()->createFromFile<LLToggleableMenu>(
+									"menu_conversation_log_gear.xml",
+									gMenuHolder,
+									LLViewerMenuHolderGL::child_registry_t::instance());
+	if(context_menu)
+	{
+		mContextMenu = context_menu->getHandle();
+	}
+
+	mIsFriendsOnTop = gSavedSettings.getBOOL("SortFriendsFirst");
+}
+
+LLConversationLogList::~LLConversationLogList()
+{
+	if (mContextMenu.get())
+	{
+		mContextMenu.get()->die();
+	}
+
+	LLConversationLog::instance().removeObserver(this);
+}
+
+void LLConversationLogList::draw()
+{
+	if (mIsDirty)
+	{
+		refresh();
+	}
+	LLFlatListViewEx::draw();
+}
+
+BOOL LLConversationLogList::handleRightMouseDown(S32 x, S32 y, MASK mask)
+{
+	BOOL handled = LLUICtrl::handleRightMouseDown(x, y, mask);
+
+	LLToggleableMenu* context_menu = mContextMenu.get();
+	{
+		context_menu->buildDrawLabels();
+	if (context_menu && size())
+		context_menu->updateParent(LLMenuGL::sMenuContainer);
+		LLMenuGL::showPopup(this, context_menu, x, y);
+	}
+
+	return handled;
+}
+
+void LLConversationLogList::setNameFilter(const std::string& filter)
+{
+	std::string filter_upper = filter;
+	LLStringUtil::toUpper(filter_upper);
+	if (mNameFilter != filter_upper)
+	{
+		mNameFilter = filter_upper;
+		setDirty();
+	}
+}
+
+bool LLConversationLogList::findInsensitive(std::string haystack, const std::string& needle_upper)
+{
+    LLStringUtil::toUpper(haystack);
+    return haystack.find(needle_upper) != std::string::npos;
+}
+
+void LLConversationLogList::sortByName()
+{
+	setComparator(&NAME_COMPARATOR);
+	sort();
+}
+
+void LLConversationLogList::sortByDate()
+{
+	setComparator(&DATE_COMPARATOR);
+	sort();
+}
+
+void LLConversationLogList::toggleSortFriendsOnTop()
+{
+	mIsFriendsOnTop = !mIsFriendsOnTop;
+	gSavedSettings.setBOOL("SortFriendsFirst", mIsFriendsOnTop);
+	sort();
+}
+
+void LLConversationLogList::changed()
+{
+	refresh();
+}
+
+void LLConversationLogList::changed(const LLUUID& session_id, U32 mask)
+{
+	LLConversationLogListItem* item = getConversationLogListItem(session_id);
+
+	if (!item)
+	{
+		return;
+	}
+
+	if (mask & LLConversationLogObserver::CHANGED_TIME)
+	{
+		item->updateTimestamp();
+
+		// if list is sorted by date and a date of some item has changed,
+		// than the whole list should be rebuilt
+		if (E_SORT_BY_DATE == getSortOrder())
+		{
+			mIsDirty = true;
+		}
+	}
+	else if (mask & LLConversationLogObserver::CHANGED_NAME)
+	{
+		item->updateName();
+		// if list is sorted by name and a name of some item has changed,
+		// than the whole list should be rebuilt
+		if (E_SORT_BY_DATE == getSortOrder())
+		{
+			mIsDirty = true;
+		}
+	}
+	else if (mask & LLConversationLogObserver::CHANGED_OfflineIMs)
+	{
+		item->updateOfflineIMs();
+	}
+}
+
+void LLConversationLogList::addNewItem(const LLConversation* conversation)
+{
+	LLConversationLogListItem* item = new LLConversationLogListItem(&*conversation);
+	if (!mNameFilter.empty())
+	{
+		item->highlightNameDate(mNameFilter);
+	}
+	addItem(item, conversation->getSessionID(), ADD_TOP);
+}
+
+void LLConversationLogList::refresh()
+{
+	rebuildList();
+	sort();
+
+	mIsDirty = false;
+}
+
+void LLConversationLogList::rebuildList()
+{
+	clear();
+
+	bool have_filter = !mNameFilter.empty();
+
+	const std::vector<LLConversation>& conversations = LLConversationLog::instance().getConversations();
+	std::vector<LLConversation>::const_iterator iter = conversations.begin();
+
+	for (; iter != conversations.end(); ++iter)
+	{
+		bool not_found = have_filter && !findInsensitive(iter->getConversationName(), mNameFilter) && !findInsensitive(iter->getTimestamp(), mNameFilter);
+		if (not_found)
+			continue;
+
+		addNewItem(&*iter);
+	}
+}
+
+void LLConversationLogList::onCustomAction(const LLSD& userdata)
+{
+	const std::string command_name = userdata.asString();
+	const LLUUID& selected_id = getSelectedConversation()->getParticipantID();
+	LLIMModel::LLIMSession::SType stype = getSelectedSessionType();
+
+	if ("im" == command_name)
+	{
+		switch (stype)
+		{
+		case LLIMModel::LLIMSession::P2P_SESSION:
+			LLAvatarActions::startIM(selected_id);
+			break;
+
+		case LLIMModel::LLIMSession::GROUP_SESSION:
+			LLGroupActions::startIM(getSelectedConversation()->getSessionID());
+			break;
+
+		default:
+			break;
+		}
+	}
+	else if ("call" == command_name)
+	{
+		switch (stype)
+		{
+		case LLIMModel::LLIMSession::P2P_SESSION:
+			LLAvatarActions::startCall(selected_id);
+			break;
+
+		case LLIMModel::LLIMSession::GROUP_SESSION:
+			LLGroupActions::startCall(getSelectedConversation()->getSessionID());
+			break;
+
+		default:
+			break;
+		}
+	}
+	else if ("view_profile" == command_name)
+	{
+		switch (stype)
+		{
+		case LLIMModel::LLIMSession::P2P_SESSION:
+			LLAvatarActions::showProfile(selected_id);
+			break;
+
+		case LLIMModel::LLIMSession::GROUP_SESSION:
+			LLGroupActions::show(getSelectedConversation()->getSessionID());
+			break;
+
+		default:
+			break;
+		}
+	}
+	else if ("chat_history" == command_name)
+	{
+		const LLUUID& session_id = getSelectedConversation()->getSessionID();
+		LLFloaterReg::showInstance("preview_conversation", session_id, true);
+	}
+	else if ("offer_teleport" == command_name)
+	{
+		LLAvatarActions::offerTeleport(selected_id);
+	}
+	else if("add_friend" == command_name)
+	{
+		if (!LLAvatarActions::isFriend(selected_id))
+		{
+			LLAvatarActions::requestFriendshipDialog(selected_id);
+		}
+	}
+	else if("remove_friend" == command_name)
+	{
+		if (LLAvatarActions::isFriend(selected_id))
+		{
+			LLAvatarActions::removeFriendDialog(selected_id);
+		}
+	}
+	else if ("invite_to_group" == command_name)
+	{
+		LLAvatarActions::inviteToGroup(selected_id);
+	}
+	else if ("show_on_map" == command_name)
+	{
+		LLAvatarActions::showOnMap(selected_id);
+	}
+	else if ("share" == command_name)
+	{
+		LLAvatarActions::share(selected_id);
+	}
+	else if ("pay" == command_name)
+	{
+		LLAvatarActions::pay(selected_id);
+	}
+	else if ("block" == command_name)
+	{
+		LLAvatarActions::toggleBlock(selected_id);
+	}
+}
+
+bool LLConversationLogList::isActionEnabled(const LLSD& userdata)
+{
+	if (numSelected() != 1)
+	{
+		return false;
+	}
+
+	const std::string command_name = userdata.asString();
+
+	LLIMModel::LLIMSession::SType stype = getSelectedSessionType();
+	const LLUUID& selected_id = getSelectedConversation()->getParticipantID();
+
+	bool is_p2p   = LLIMModel::LLIMSession::P2P_SESSION == stype;
+	bool is_group = LLIMModel::LLIMSession::GROUP_SESSION == stype;
+
+	if ("can_im" == command_name || "can_view_profile" == command_name)
+	{
+		return is_p2p || is_group;
+	}
+	else if ("can_view_chat_history" == command_name)
+	{
+		return true;
+	}
+	else if ("can_call"	== command_name)
+	{
+		return (is_p2p || is_group) && LLAvatarActions::canCall();
+	}
+	else if ("add_rem_friend"		== command_name ||
+			 "can_invite_to_group"	== command_name ||
+			 "can_share"			== command_name ||
+			 "can_block"			== command_name ||
+			 "can_pay"				== command_name)
+	{
+		return is_p2p;
+	}
+	else if("can_offer_teleport" == command_name)
+	{
+		return is_p2p && LLAvatarActions::canOfferTeleport(selected_id);
+	}
+	else if ("can_show_on_map")
+	{
+		return is_p2p && ((LLAvatarTracker::instance().isBuddyOnline(selected_id) && is_agent_mappable(selected_id)) || gAgent.isGodlike());
+	}
+
+	return false;
+}
+
+bool LLConversationLogList::isActionChecked(const LLSD& userdata)
+{
+	const std::string command_name = userdata.asString();
+
+	const LLUUID& selected_id = getSelectedConversation()->getParticipantID();
+	bool is_p2p = LLIMModel::LLIMSession::P2P_SESSION == getSelectedSessionType();
+
+	if ("is_blocked" == command_name)
+	{
+		return is_p2p && LLAvatarActions::isBlocked(selected_id);
+	}
+	else if ("is_friend" == command_name)
+	{
+		return is_p2p && LLAvatarActions::isFriend(selected_id);
+	}
+	else if ("is_not_friend" == command_name)
+	{
+		return is_p2p && !LLAvatarActions::isFriend(selected_id);
+	}
+
+	return false;
+}
+
+LLIMModel::LLIMSession::SType LLConversationLogList::getSelectedSessionType()
+{
+	const LLConversationLogListItem* item = getSelectedConversationPanel();
+
+	if (item)
+	{
+		return item->getConversation()->getConversationType();
+	}
+
+	return LLIMModel::LLIMSession::NONE_SESSION;
+}
+
+const LLConversationLogListItem* LLConversationLogList::getSelectedConversationPanel()
+{
+	LLPanel* panel = LLFlatListViewEx::getSelectedItem();
+	LLConversationLogListItem* conv_panel = dynamic_cast<LLConversationLogListItem*>(panel);
+
+	return conv_panel;
+}
+
+const LLConversation* LLConversationLogList::getSelectedConversation()
+{
+	const LLConversationLogListItem* panel = getSelectedConversationPanel();
+
+	if (panel)
+	{
+		return panel->getConversation();
+	}
+
+	return NULL;
+}
+
+LLConversationLogListItem* LLConversationLogList::getConversationLogListItem(const LLUUID& session_id)
+{
+	std::vector<LLPanel*> panels;
+	LLFlatListViewEx::getItems(panels);
+	std::vector<LLPanel*>::iterator iter = panels.begin();
+
+	for (; iter != panels.end(); ++iter)
+	{
+		LLConversationLogListItem* item = dynamic_cast<LLConversationLogListItem*>(*iter);
+		if (item && session_id == item->getConversation()->getSessionID())
+		{
+			return item;
+		}
+	}
+
+	return NULL;
+}
+
+LLConversationLogList::ESortOrder LLConversationLogList::getSortOrder()
+{
+	return static_cast<ESortOrder>(gSavedSettings.getU32("CallLogSortOrder"));
+}
+
+bool LLConversationLogListItemComparator::compare(const LLPanel* item1, const LLPanel* item2) const
+{
+	const LLConversationLogListItem* conversation_item1 = dynamic_cast<const LLConversationLogListItem*>(item1);
+	const LLConversationLogListItem* conversation_item2 = dynamic_cast<const LLConversationLogListItem*>(item2);
+
+	if (!conversation_item1 || !conversation_item2)
+	{
+		llerror("conversation_item1 and conversation_item2 cannot be null", 0);
+		return true;
+	}
+
+	return doCompare(conversation_item1, conversation_item2);
+}
+
+bool LLConversationLogListNameComparator::doCompare(const LLConversationLogListItem* conversation1, const LLConversationLogListItem* conversation2) const
+{
+	std::string name1 = conversation1->getConversation()->getConversationName();
+	std::string name2 = conversation2->getConversation()->getConversationName();
+	const LLUUID& id1 = conversation1->getConversation()->getParticipantID();
+	const LLUUID& id2 = conversation2->getConversation()->getParticipantID();
+
+	LLStringUtil::toUpper(name1);
+	LLStringUtil::toUpper(name2);
+
+	bool friends_first = gSavedSettings.getBOOL("SortFriendsFirst");
+	if (friends_first && (LLAvatarActions::isFriend(id1) ^ LLAvatarActions::isFriend(id2)))
+	{
+		return LLAvatarActions::isFriend(id1);
+	}
+
+	return name1 < name2;
+}
+
+bool LLConversationLogListDateComparator::doCompare(const LLConversationLogListItem* conversation1, const LLConversationLogListItem* conversation2) const
+{
+	time_t date1 = conversation1->getConversation()->getTime();
+	time_t date2 = conversation2->getConversation()->getTime();
+	const LLUUID& id1 = conversation1->getConversation()->getParticipantID();
+	const LLUUID& id2 = conversation2->getConversation()->getParticipantID();
+
+	bool friends_first = gSavedSettings.getBOOL("SortFriendsFirst");
+	if (friends_first && (LLAvatarActions::isFriend(id1) ^ LLAvatarActions::isFriend(id2)))
+	{
+		return LLAvatarActions::isFriend(id1);
+	}
+
+	return date1 > date2;
+}
diff --git a/indra/newview/llconversationloglist.h b/indra/newview/llconversationloglist.h
new file mode 100644
index 0000000000..62ec57e09e
--- /dev/null
+++ b/indra/newview/llconversationloglist.h
@@ -0,0 +1,153 @@
+/**
+ * @file llconversationloglist.h
+ *
+ * $LicenseInfo:firstyear=2002&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2012, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifndef LLCONVERSATIONLOGLIST_H_
+#define LLCONVERSATIONLOGLIST_H_
+
+#include "llconversationlog.h"
+#include "llflatlistview.h"
+#include "lltoggleablemenu.h"
+
+class LLConversationLogListItem;
+
+/**
+ * List of all agent's conversations. I.e. history of conversations.
+ * This list represents contents of the LLConversationLog.
+ * Each change in LLConversationLog leads to rebuilding this list, so
+ * it's always in actual state.
+ */
+
+class LLConversationLogList: public LLFlatListViewEx, public LLConversationLogObserver
+{
+	LOG_CLASS(LLConversationLogList);
+public:
+
+	typedef enum e_sort_oder{
+		E_SORT_BY_NAME = 0,
+		E_SORT_BY_DATE = 1,
+	} ESortOrder;
+
+	struct Params : public LLInitParam::Block<Params, LLFlatListViewEx::Params>
+	{
+		Params(){};
+	};
+
+	LLConversationLogList(const Params& p);
+	virtual ~LLConversationLogList();
+
+	virtual void draw();
+
+	virtual BOOL handleRightMouseDown(S32 x, S32 y, MASK mask);
+
+	LLToggleableMenu*	getContextMenu() const { return mContextMenu.get(); }
+
+	void addNewItem(const LLConversation* conversation);
+	void setNameFilter(const std::string& filter);
+	void sortByName();
+	void sortByDate();
+	void toggleSortFriendsOnTop();
+	bool getSortFriendsOnTop() const { return mIsFriendsOnTop; }
+
+	/**
+	 * Changes from LLConversationLogObserver
+	 */
+	virtual void changed();
+	virtual void changed(const LLUUID& session_id, U32 mask);
+
+private:
+
+	void setDirty(bool dirty = true) { mIsDirty = dirty; }
+	void refresh();
+
+	/**
+	 * Clears list and re-adds items from LLConverstationLog
+	 * If filter is not empty re-adds items which match the filter
+	 */
+	void rebuildList();
+
+	bool findInsensitive(std::string haystack, const std::string& needle_upper);
+
+	void onCustomAction (const LLSD& userdata);
+	bool isActionEnabled(const LLSD& userdata);
+	bool isActionChecked(const LLSD& userdata);
+
+	LLIMModel::LLIMSession::SType getSelectedSessionType();
+	const LLConversationLogListItem* getSelectedConversationPanel();
+	const LLConversation* getSelectedConversation();
+	LLConversationLogListItem* getConversationLogListItem(const LLUUID& session_id);
+
+	ESortOrder getSortOrder();
+
+	LLHandle<LLToggleableMenu>	mContextMenu;
+	bool mIsDirty;
+	bool mIsFriendsOnTop;
+	std::string mNameFilter;
+};
+
+/**
+ * Abstract comparator for ConversationLogList items
+ */
+class LLConversationLogListItemComparator : public LLFlatListView::ItemComparator
+{
+	LOG_CLASS(LLConversationLogListItemComparator);
+
+public:
+	LLConversationLogListItemComparator() {};
+	virtual ~LLConversationLogListItemComparator() {};
+
+	virtual bool compare(const LLPanel* item1, const LLPanel* item2) const;
+
+protected:
+
+	virtual bool doCompare(const LLConversationLogListItem* conversation1, const LLConversationLogListItem* conversation2) const = 0;
+};
+
+class LLConversationLogListNameComparator : public LLConversationLogListItemComparator
+{
+	LOG_CLASS(LLConversationLogListNameComparator);
+
+public:
+	LLConversationLogListNameComparator() {};
+	virtual ~LLConversationLogListNameComparator() {};
+
+protected:
+
+	virtual bool doCompare(const LLConversationLogListItem* conversation1, const LLConversationLogListItem* conversation2) const;
+};
+
+class LLConversationLogListDateComparator : public LLConversationLogListItemComparator
+{
+	LOG_CLASS(LLConversationLogListDateComparator);
+
+public:
+	LLConversationLogListDateComparator() {};
+	virtual ~LLConversationLogListDateComparator() {};
+
+protected:
+
+	virtual bool doCompare(const LLConversationLogListItem* conversation1, const LLConversationLogListItem* conversation2) const;
+};
+
+#endif /* LLCONVERSATIONLOGLIST_H_ */
diff --git a/indra/newview/llconversationloglistitem.cpp b/indra/newview/llconversationloglistitem.cpp
new file mode 100644
index 0000000000..4e984d603b
--- /dev/null
+++ b/indra/newview/llconversationloglistitem.cpp
@@ -0,0 +1,184 @@
+/**
+ * @file llconversationloglistitem.cpp
+ *
+ * $LicenseInfo:firstyear=2012&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2012, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#include "llviewerprecompiledheaders.h"
+
+// llui
+#include "lliconctrl.h"
+#include "lltextbox.h"
+#include "lltextutil.h"
+
+// newview
+#include "llavataractions.h"
+#include "llavatariconctrl.h"
+#include "llconversationlog.h"
+#include "llconversationloglistitem.h"
+#include "llgroupactions.h"
+#include "llgroupiconctrl.h"
+#include "llinventoryicon.h"
+
+LLConversationLogListItem::LLConversationLogListItem(const LLConversation* conversation)
+:	LLPanel(),
+	mConversation(conversation),
+	mConversationName(NULL),
+	mConversationDate(NULL)
+{
+	buildFromFile("panel_conversation_log_list_item.xml");
+
+	LLFloaterIMSession* floater = LLFloaterIMSession::findInstance(mConversation->getSessionID());
+
+	bool ims_are_read = LLFloaterIMSession::isVisible(floater) && floater->hasFocus();
+
+	if (mConversation->hasOfflineMessages() && !ims_are_read)
+	{
+		mIMFloaterShowedConnection = LLFloaterIMSession::setIMFloaterShowedCallback(boost::bind(&LLConversationLogListItem::onIMFloaterShown, this, _1));
+	}
+}
+
+LLConversationLogListItem::~LLConversationLogListItem()
+{
+	mIMFloaterShowedConnection.disconnect();
+}
+
+BOOL LLConversationLogListItem::postBuild()
+{
+	initIcons();
+
+	// set conversation name
+	mConversationName = getChild<LLTextBox>("conversation_name");
+	mConversationName->setValue(mConversation->getConversationName());
+
+	// set conversation date and time
+	mConversationDate = getChild<LLTextBox>("date_time");
+	mConversationDate->setValue(mConversation->getTimestamp());
+
+	getChild<LLButton>("delete_btn")->setClickedCallback(boost::bind(&LLConversationLogListItem::onRemoveBtnClicked, this));
+	setDoubleClickCallback(boost::bind(&LLConversationLogListItem::onDoubleClick, this));
+
+	return TRUE;
+}
+
+void LLConversationLogListItem::initIcons()
+{
+	switch (mConversation->getConversationType())
+	{
+		case LLIMModel::LLIMSession::P2P_SESSION:
+		case LLIMModel::LLIMSession::ADHOC_SESSION:
+		{
+			LLAvatarIconCtrl* avatar_icon = getChild<LLAvatarIconCtrl>("avatar_icon");
+			avatar_icon->setVisible(TRUE);
+			avatar_icon->setValue(mConversation->getParticipantID());
+			break;
+		}
+		case LLIMModel::LLIMSession::GROUP_SESSION:
+		{
+			LLGroupIconCtrl* group_icon = getChild<LLGroupIconCtrl>("group_icon");
+			group_icon->setVisible(TRUE);
+			group_icon->setValue(mConversation->getSessionID());
+			break;
+		}
+		default:
+			break;
+	}
+
+	if (mConversation->hasOfflineMessages())
+	{
+			getChild<LLIconCtrl>("unread_ims_icon")->setVisible(TRUE);
+	}
+}
+
+void LLConversationLogListItem::updateTimestamp()
+{
+	mConversationDate->setValue(mConversation->getTimestamp());
+}
+
+void LLConversationLogListItem::updateName()
+{
+	mConversationName->setValue(mConversation->getConversationName());
+}
+
+void LLConversationLogListItem::updateOfflineIMs()
+{
+	getChild<LLIconCtrl>("unread_ims_icon")->setVisible(mConversation->hasOfflineMessages());
+}
+
+void LLConversationLogListItem::onMouseEnter(S32 x, S32 y, MASK mask)
+{
+	getChildView("hovered_icon")->setVisible(true);
+	LLPanel::onMouseEnter(x, y, mask);
+}
+
+void LLConversationLogListItem::onMouseLeave(S32 x, S32 y, MASK mask)
+{
+	getChildView("hovered_icon")->setVisible(false);
+	LLPanel::onMouseLeave(x, y, mask);
+}
+
+void LLConversationLogListItem::setValue(const LLSD& value)
+{
+	if (!value.isMap() || !value.has("selected"))
+	{
+		return;
+	}
+
+	getChildView("selected_icon")->setVisible(value["selected"]);
+}
+
+void LLConversationLogListItem::onIMFloaterShown(const LLUUID& session_id)
+{
+	if (mConversation->getSessionID() == session_id)
+	{
+		getChild<LLIconCtrl>("unread_ims_icon")->setVisible(FALSE);
+	}
+}
+
+void LLConversationLogListItem::onRemoveBtnClicked()
+{
+	LLConversationLog::instance().removeConversation(*mConversation);
+}
+
+void LLConversationLogListItem::highlightNameDate(const std::string& highlited_text)
+{
+	LLStyle::Params params;
+	LLTextUtil::textboxSetHighlightedVal(mConversationName, params, mConversation->getConversationName(), highlited_text);
+	LLTextUtil::textboxSetHighlightedVal(mConversationDate, params, mConversation->getTimestamp(), highlited_text);
+}
+
+void LLConversationLogListItem::onDoubleClick()
+{
+	switch (mConversation->getConversationType())
+	{
+	case LLIMModel::LLIMSession::P2P_SESSION:
+		LLAvatarActions::startIM(mConversation->getParticipantID());
+		break;
+
+	case LLIMModel::LLIMSession::GROUP_SESSION:
+		LLGroupActions::startIM(mConversation->getSessionID());
+		break;
+
+	default:
+		break;
+	}
+}
diff --git a/indra/newview/llconversationloglistitem.h b/indra/newview/llconversationloglistitem.h
new file mode 100644
index 0000000000..ee28456bbb
--- /dev/null
+++ b/indra/newview/llconversationloglistitem.h
@@ -0,0 +1,86 @@
+/**
+ * @file llconversationloglistitem.h
+ *
+ * $LicenseInfo:firstyear=2012&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2012, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifndef LLCONVERSATIONLOGLISTITEM_H_
+#define LLCONVERSATIONLOGLISTITEM_H_
+
+#include "llfloaterimsession.h"
+#include "llpanel.h"
+
+class LLTextBox;
+class LLConversation;
+
+/**
+ * This class is a visual representation of LLConversation, each of which is LLConversationLog entry.
+ * LLConversationLogList consists of these LLConversationLogListItems.
+ * LLConversationLogListItem consists of:
+ *		conversaion_type_icon
+ *		conversaion_name
+ *		conversaion_date
+ * Also LLConversationLogListItem holds pointer to its LLConversationLog.
+ */
+
+class LLConversationLogListItem : public LLPanel
+{
+public:
+	LLConversationLogListItem(const LLConversation* conversation);
+	virtual ~LLConversationLogListItem();
+
+	void onMouseEnter(S32 x, S32 y, MASK mask);
+	void onMouseLeave(S32 x, S32 y, MASK mask);
+
+	virtual void setValue(const LLSD& value);
+
+	virtual BOOL postBuild();
+
+	void onIMFloaterShown(const LLUUID& session_id);
+	void onRemoveBtnClicked();
+
+	const LLConversation* getConversation() const { return mConversation; }
+
+	void highlightNameDate(const std::string& highlited_text);
+
+	void onDoubleClick();
+
+	/**
+	 * updates string value of last interaction time from conversation
+	 */
+	void updateTimestamp();
+	void updateName();
+	void updateOfflineIMs();
+
+private:
+
+	void initIcons();
+
+	const LLConversation* mConversation;
+
+	LLTextBox*		mConversationName;
+	LLTextBox*		mConversationDate;
+
+	boost::signals2::connection mIMFloaterShowedConnection;
+};
+
+#endif /* LLCONVERSATIONLOGITEM_H_ */
diff --git a/indra/newview/llconversationmodel.cpp b/indra/newview/llconversationmodel.cpp
new file mode 100644
index 0000000000..a8da4908ce
--- /dev/null
+++ b/indra/newview/llconversationmodel.cpp
@@ -0,0 +1,659 @@
+/** 
+ * @file llconversationmodel.cpp
+ * @brief Implementation of conversations list
+ *
+ * $LicenseInfo:firstyear=2009&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+
+#include "llviewerprecompiledheaders.h"
+
+#include "llagent.h"
+#include "llavatarnamecache.h"
+#include "llavataractions.h"
+#include "llevents.h"
+#include "llfloaterimsession.h"
+#include "llsdutil.h"
+#include "llconversationmodel.h"
+#include "llimview.h" //For LLIMModel
+
+//
+// Conversation items : common behaviors
+//
+
+LLConversationItem::LLConversationItem(std::string display_name, const LLUUID& uuid, LLFolderViewModelInterface& root_view_model) :
+	LLFolderViewModelItemCommon(root_view_model),
+	mName(display_name),
+	mUUID(uuid),
+	mNeedsRefresh(true),
+	mConvType(CONV_UNKNOWN),
+	mLastActiveTime(0.0),
+	mDisplayModeratorOptions(false),
+	mAvatarNameCacheConnection()
+{
+}
+
+LLConversationItem::LLConversationItem(const LLUUID& uuid, LLFolderViewModelInterface& root_view_model) :
+	LLFolderViewModelItemCommon(root_view_model),
+	mName(""),
+	mUUID(uuid),
+	mNeedsRefresh(true),
+	mConvType(CONV_UNKNOWN),
+	mLastActiveTime(0.0),
+	mDisplayModeratorOptions(false),
+	mAvatarNameCacheConnection()
+{
+}
+
+LLConversationItem::LLConversationItem(LLFolderViewModelInterface& root_view_model) :
+	LLFolderViewModelItemCommon(root_view_model),
+	mName(""),
+	mUUID(),
+	mNeedsRefresh(true),
+	mConvType(CONV_UNKNOWN),
+	mLastActiveTime(0.0),
+	mDisplayModeratorOptions(false),
+	mAvatarNameCacheConnection()
+{
+}
+
+LLConversationItem::~LLConversationItem()
+{
+	// Disconnect any previous avatar name cache connection to ensure
+	// that the callback method is not called after destruction
+	if (mAvatarNameCacheConnection.connected())
+	{
+		mAvatarNameCacheConnection.disconnect();
+	}
+}
+
+void LLConversationItem::postEvent(const std::string& event_type, LLConversationItemSession* session, LLConversationItemParticipant* participant)
+{
+	LLUUID session_id = (session ? session->getUUID() : LLUUID());
+	LLUUID participant_id = (participant ? participant->getUUID() : LLUUID());
+	LLSD event(LLSDMap("type", event_type)("session_uuid", session_id)("participant_uuid", participant_id));
+	LLEventPumps::instance().obtain("ConversationsEvents").post(event);
+}
+
+// Virtual action callbacks
+void LLConversationItem::performAction(LLInventoryModel* model, std::string action)
+{
+}
+
+void LLConversationItem::openItem( void )
+{
+}
+
+void LLConversationItem::closeItem( void )
+{
+}
+
+void LLConversationItem::previewItem( void )
+{
+}
+
+void LLConversationItem::showProperties(void)
+{
+}
+
+void LLConversationItem::buildParticipantMenuOptions(menuentry_vec_t& items, U32 flags)
+{
+	if (flags & ITEM_IN_MULTI_SELECTION)
+	{
+		items.push_back(std::string("im"));
+		items.push_back(std::string("offer_teleport"));
+		items.push_back(std::string("voice_call"));
+		items.push_back(std::string("remove_friends"));
+	}
+	else 
+	{
+		items.push_back(std::string("view_profile"));
+		items.push_back(std::string("im"));
+		items.push_back(std::string("offer_teleport"));
+		items.push_back(std::string("voice_call"));
+		items.push_back(std::string("chat_history"));
+		items.push_back(std::string("separator_chat_history"));
+		items.push_back(std::string("add_friend"));
+		items.push_back(std::string("remove_friend"));
+		items.push_back(std::string("invite_to_group"));
+		items.push_back(std::string("separator_invite_to_group"));
+		items.push_back(std::string("map"));
+		items.push_back(std::string("share"));
+		items.push_back(std::string("pay"));
+		items.push_back(std::string("block_unblock"));
+		items.push_back(std::string("MuteText"));
+
+		if ((getType() != CONV_SESSION_1_ON_1) && mDisplayModeratorOptions)
+		{
+			items.push_back(std::string("Moderator Options Separator"));
+			items.push_back(std::string("Moderator Options"));
+			items.push_back(std::string("AllowTextChat"));
+			items.push_back(std::string("moderate_voice_separator"));
+			items.push_back(std::string("ModerateVoiceToggleMuteSelected"));
+			items.push_back(std::string("ModerateVoiceMute"));
+			items.push_back(std::string("ModerateVoiceUnmute"));
+		}
+	}
+}
+
+// method does subscription to changes in avatar name cache for current session/participant conversation item.
+void LLConversationItem::fetchAvatarName(bool isParticipant /*= true*/)
+{
+	LLUUID item_id = getUUID();
+
+	// item should not be null for participants
+	if (isParticipant)
+	{
+		llassert(item_id.notNull());
+	}
+
+	// disconnect any previous avatar name cache connection
+	if (mAvatarNameCacheConnection.connected())
+	{
+		mAvatarNameCacheConnection.disconnect();
+	}
+
+	// exclude nearby chat item
+	if (item_id.notNull())
+	{
+		// for P2P session item, override it as item of called agent
+		if (CONV_SESSION_1_ON_1 == getType())
+		{
+			item_id = LLIMModel::getInstance()->getOtherParticipantID(item_id);
+		}
+
+		// subscribe on avatar name cache changes for participant and session items
+		mAvatarNameCacheConnection = LLAvatarNameCache::get(item_id, boost::bind(&LLConversationItem::onAvatarNameCache, this, _2));
+	}
+}
+
+//
+// LLConversationItemSession
+// 
+
+LLConversationItemSession::LLConversationItemSession(std::string display_name, const LLUUID& uuid, LLFolderViewModelInterface& root_view_model) :
+	LLConversationItem(display_name,uuid,root_view_model),
+	mIsLoaded(false)
+{
+	mConvType = CONV_SESSION_UNKNOWN;
+}
+
+LLConversationItemSession::LLConversationItemSession(const LLUUID& uuid, LLFolderViewModelInterface& root_view_model) :
+	LLConversationItem(uuid,root_view_model)
+{
+	mConvType = CONV_SESSION_UNKNOWN;
+}
+
+bool LLConversationItemSession::hasChildren() const
+{
+	return getChildrenCount() > 0;
+}
+
+void LLConversationItemSession::addParticipant(LLConversationItemParticipant* participant)
+{
+	addChild(participant);
+	mIsLoaded = true;
+	mNeedsRefresh = true;
+	updateName(participant);
+	postEvent("add_participant", this, participant);
+}
+
+void LLConversationItemSession::updateName(LLConversationItemParticipant* participant)
+{
+	EConversationType conversation_type = getType();
+	// We modify the session name only in the case of an ad-hoc session or P2P session, exit otherwise (nothing to do)
+	if ((conversation_type != CONV_SESSION_AD_HOC) && (conversation_type != CONV_SESSION_1_ON_1))
+	{
+		return;
+	}
+
+	// Avoid changing the default name if no participant present yet
+	if (mChildren.size() == 0)
+	{
+		return;
+	}
+
+	uuid_vec_t temp_uuids; // uuids vector for building the added participants' names string
+	if (conversation_type == CONV_SESSION_AD_HOC)
+	{
+		// Build a string containing the participants UUIDs (minus own agent) and check if ready for display (we don't want "(waiting)" in there)
+		// Note: we don't bind ourselves to the LLAvatarNameCache event as updateParticipantName() is called by
+		// onAvatarNameCache() which is itself attached to the same event.
+		child_list_t::iterator iter = mChildren.begin();
+		while (iter != mChildren.end())
+		{
+			LLConversationItemParticipant* current_participant = dynamic_cast<LLConversationItemParticipant*>(*iter);
+			// Add the avatar uuid to the list (except if it's the own agent uuid)
+			if (current_participant->getUUID() != gAgentID)
+			{
+				LLAvatarName av_name;
+				if (LLAvatarNameCache::get(current_participant->getUUID(), &av_name))
+				{
+					temp_uuids.push_back(current_participant->getUUID());
+				}
+			}
+			iter++;
+		}
+	}
+	else if (conversation_type == CONV_SESSION_1_ON_1)
+	{
+		// In the case of a P2P conversation, we need to grab the name of the other participant in the session instance itself
+		// as we do not create participants for such a session.
+		if (gAgentID != participant->getUUID())
+		{
+			temp_uuids.push_back(participant->getUUID());
+		}
+	}
+
+	if (temp_uuids.size() != 0)
+	{
+		std::string new_session_name;
+		LLAvatarActions::buildResidentsString(temp_uuids, new_session_name);
+		renameItem(new_session_name);
+		postEvent("update_session", this, NULL);
+	}
+}
+
+void LLConversationItemSession::removeParticipant(LLConversationItemParticipant* participant)
+{
+	removeChild(participant);
+	mNeedsRefresh = true;
+	updateName(participant);
+	postEvent("remove_participant", this, participant);
+}
+
+void LLConversationItemSession::removeParticipant(const LLUUID& participant_id)
+{
+	LLConversationItemParticipant* participant = findParticipant(participant_id);
+	if (participant)
+	{
+		removeParticipant(participant);
+	}
+}
+
+void LLConversationItemSession::clearParticipants()
+{
+	clearChildren();
+	mIsLoaded = false;
+	mNeedsRefresh = true;
+}
+
+LLConversationItemParticipant* LLConversationItemSession::findParticipant(const LLUUID& participant_id)
+{
+	// This is *not* a general tree parsing algorithm. It assumes that a session contains only 
+	// items (LLConversationItemParticipant) that have themselve no children.
+	LLConversationItemParticipant* participant = NULL;
+	child_list_t::iterator iter;
+	for (iter = mChildren.begin(); iter != mChildren.end(); iter++)
+	{
+		participant = dynamic_cast<LLConversationItemParticipant*>(*iter);
+		if (participant->hasSameValue(participant_id))
+		{
+			break;
+		}
+	}
+	return (iter == mChildren.end() ? NULL : participant);
+}
+
+void LLConversationItemSession::setParticipantIsMuted(const LLUUID& participant_id, bool is_muted)
+{
+	LLConversationItemParticipant* participant = findParticipant(participant_id);
+	if (participant)
+	{
+		participant->setIsMuted(is_muted);
+	}
+}
+
+void LLConversationItemSession::setParticipantIsModerator(const LLUUID& participant_id, bool is_moderator)
+{
+	LLConversationItemParticipant* participant = findParticipant(participant_id);
+	if (participant)
+	{
+		participant->setIsModerator(is_moderator);
+	}
+}
+
+void LLConversationItemSession::setTimeNow(const LLUUID& participant_id)
+{
+	mLastActiveTime = LLFrameTimer::getElapsedSeconds();
+	mNeedsRefresh = true;
+	LLConversationItemParticipant* participant = findParticipant(participant_id);
+	if (participant)
+	{
+		participant->setTimeNow();
+	}
+}
+
+void LLConversationItemSession::setDistance(const LLUUID& participant_id, F64 dist)
+{
+	LLConversationItemParticipant* participant = findParticipant(participant_id);
+	if (participant)
+	{
+		participant->setDistance(dist);
+		mNeedsRefresh = true;
+	}
+}
+
+void LLConversationItemSession::buildContextMenu(LLMenuGL& menu, U32 flags)
+{
+    lldebugs << "LLConversationItemParticipant::buildContextMenu()" << llendl;
+    menuentry_vec_t items;
+    menuentry_vec_t disabled_items;
+
+    if(this->getType() == CONV_SESSION_1_ON_1)
+    {
+        items.push_back(std::string("close_conversation"));
+        items.push_back(std::string("separator_disconnect_from_voice"));
+        buildParticipantMenuOptions(items, flags);
+    }
+    else if(this->getType() == CONV_SESSION_GROUP)
+    {
+        items.push_back(std::string("close_conversation"));
+        addVoiceOptions(items);
+        items.push_back(std::string("chat_history"));
+        items.push_back(std::string("separator_chat_history"));
+        items.push_back(std::string("group_profile"));
+        items.push_back(std::string("activate_group"));
+        items.push_back(std::string("leave_group"));
+    }
+    else if(this->getType() == CONV_SESSION_AD_HOC)
+    {
+        items.push_back(std::string("close_conversation"));
+        addVoiceOptions(items);
+        items.push_back(std::string("chat_history"));
+    }
+
+    hide_context_entries(menu, items, disabled_items);
+}
+
+void LLConversationItemSession::addVoiceOptions(menuentry_vec_t& items)
+{
+    LLVoiceChannel* voice_channel = LLIMModel::getInstance() ? LLIMModel::getInstance()->getVoiceChannel(this->getUUID()) : NULL;
+
+    if(voice_channel != LLVoiceChannel::getCurrentVoiceChannel())
+    {
+        items.push_back(std::string("open_voice_conversation"));
+    }
+    else
+    {
+        items.push_back(std::string("disconnect_from_voice"));
+    }
+}
+
+// The time of activity of a session is the time of the most recent activity, session and participants included
+const bool LLConversationItemSession::getTime(F64& time) const
+{
+	F64 most_recent_time = mLastActiveTime;
+	bool has_time = (most_recent_time > 0.1);
+	LLConversationItemParticipant* participant = NULL;
+	child_list_t::const_iterator iter;
+	for (iter = mChildren.begin(); iter != mChildren.end(); iter++)
+	{
+		participant = dynamic_cast<LLConversationItemParticipant*>(*iter);
+		F64 participant_time;
+		if (participant->getTime(participant_time))
+		{
+			has_time = true;
+			most_recent_time = llmax(most_recent_time,participant_time);
+		}
+	}
+	if (has_time)
+	{
+		time = most_recent_time;
+	}
+	return has_time;
+}
+
+void LLConversationItemSession::dumpDebugData(bool dump_children)
+{
+	// Session info
+	llinfos << "Merov debug : session " << this << ", uuid = " << mUUID << ", name = " << mName << ", is loaded = " << mIsLoaded << llendl;
+	// Children info
+	if (dump_children)
+	{
+		for (child_list_t::iterator iter = mChildren.begin(); iter != mChildren.end(); iter++)
+		{
+			LLConversationItemParticipant* participant = dynamic_cast<LLConversationItemParticipant*>(*iter);
+			if (participant)
+			{
+				participant->dumpDebugData();
+			}
+		}
+	}
+}
+
+// should be invoked only for P2P sessions
+void LLConversationItemSession::onAvatarNameCache(const LLAvatarName& av_name)
+{
+	if (mAvatarNameCacheConnection.connected())
+	{
+		mAvatarNameCacheConnection.disconnect();
+	}
+
+	renameItem(av_name.getDisplayName());
+	postEvent("update_session", this, NULL);
+}
+
+//
+// LLConversationItemParticipant
+// 
+
+LLConversationItemParticipant::LLConversationItemParticipant(std::string display_name, const LLUUID& uuid, LLFolderViewModelInterface& root_view_model) :
+	LLConversationItem(display_name,uuid,root_view_model),
+	mIsMuted(false),
+	mIsModerator(false),
+	mDistToAgent(-1.0)
+{
+	mDisplayName = display_name;
+	mConvType = CONV_PARTICIPANT;
+}
+
+LLConversationItemParticipant::LLConversationItemParticipant(const LLUUID& uuid, LLFolderViewModelInterface& root_view_model) :
+	LLConversationItem(uuid,root_view_model),
+	mIsMuted(false),
+	mIsModerator(false),
+	mDistToAgent(-1.0)
+{
+	mConvType = CONV_PARTICIPANT;
+}
+
+void LLConversationItemParticipant::updateName()
+{
+	llassert(getUUID().notNull());
+	if (getUUID().notNull())
+	{
+		LLAvatarName av_name;
+		if (LLAvatarNameCache::get(getUUID(),&av_name))
+		{
+			updateName(av_name);
+		}
+	}
+}
+
+void LLConversationItemParticipant::onAvatarNameCache(const LLAvatarName& av_name)
+{
+	if (mAvatarNameCacheConnection.connected())
+	{
+		mAvatarNameCacheConnection.disconnect();
+	}
+
+	updateName(av_name);
+}
+
+void LLConversationItemParticipant::updateName(const LLAvatarName& av_name)
+{
+	mName = av_name.getUserName();
+	mDisplayName = av_name.getDisplayName();
+	renameItem(mDisplayName);
+	if (mParent != NULL)
+	{
+		LLConversationItemSession* parent_session = dynamic_cast<LLConversationItemSession*>(mParent);
+		if (parent_session != NULL)
+		{
+			parent_session->requestSort();
+			parent_session->updateName(this);
+			postEvent("update_participant", parent_session, this);
+		}
+	}
+}
+
+void LLConversationItemParticipant::buildContextMenu(LLMenuGL& menu, U32 flags)
+{
+    menuentry_vec_t items;
+    menuentry_vec_t disabled_items;
+	
+	buildParticipantMenuOptions(items, flags);
+	
+    hide_context_entries(menu, items, disabled_items);
+}
+
+LLConversationItemSession* LLConversationItemParticipant::getParentSession()
+{
+	LLConversationItemSession* parent_session = NULL;
+	if (hasParent())
+	{
+		parent_session = dynamic_cast<LLConversationItemSession*>(mParent);
+	}
+	return parent_session;
+}
+
+void LLConversationItemParticipant::dumpDebugData()
+{
+	llinfos << "Merov debug : participant, uuid = " << mUUID << ", name = " << mName << ", display name = " << mDisplayName << ", muted = " << mIsMuted << ", moderator = " << mIsModerator << llendl;
+}
+
+//
+// LLConversationSort
+// 
+
+// Comparison operator: returns "true" is a comes before b, "false" otherwise
+bool LLConversationSort::operator()(const LLConversationItem* const& a, const LLConversationItem* const& b) const
+{
+	LLConversationItem::EConversationType type_a = a->getType();
+	LLConversationItem::EConversationType type_b = b->getType();
+
+	if ((type_a == LLConversationItem::CONV_PARTICIPANT) && (type_b == LLConversationItem::CONV_PARTICIPANT))
+	{
+		// If both items are participants
+		U32 sort_order = getSortOrderParticipants();
+		if (sort_order == LLConversationFilter::SO_DATE)
+		{
+			F64 time_a = 0.0;
+			F64 time_b = 0.0;
+			bool has_time_a = a->getTime(time_a);
+			bool has_time_b = b->getTime(time_b);
+			if (has_time_a && has_time_b)
+			{
+				// Most recent comes first
+				return (time_a > time_b);
+			}
+			else if (has_time_a || has_time_b)
+			{
+				// If we have only one time available, the element with time must come first
+				return has_time_a;
+			}
+			// If no time available, we'll default to sort by name at the end of this method
+		}
+		else if (sort_order == LLConversationFilter::SO_DISTANCE)
+		{
+			F64 dist_a = 0.0;
+			F64 dist_b = 0.0;
+			bool has_dist_a = a->getDistanceToAgent(dist_a);
+			bool has_dist_b = b->getDistanceToAgent(dist_b);
+			if (has_dist_a && has_dist_b)
+			{
+				// Closest comes first
+				return (dist_a < dist_b);
+			}
+			else if (has_dist_a || has_dist_b)
+			{
+				// If we have only one distance available, the element with it must come first
+				return has_dist_a;
+			}
+			// If no distance available, we'll default to sort by name at the end of this method
+		}
+	}
+	else if ((type_a > LLConversationItem::CONV_PARTICIPANT) && (type_b > LLConversationItem::CONV_PARTICIPANT))
+	{
+		// If both are sessions
+		U32 sort_order = getSortOrderSessions();
+
+		if (sort_order == LLConversationFilter::SO_DATE)
+		{
+			// Sort by time
+			F64 time_a = 0.0;
+			F64 time_b = 0.0;
+			bool has_time_a = a->getTime(time_a);
+			bool has_time_b = b->getTime(time_b);
+			if (has_time_a && has_time_b)
+			{
+				// Most recent comes first
+				return (time_a > time_b);
+			}
+			else if (has_time_a || has_time_b)
+			{
+				// If we have only one time available, the element with time must come first
+				return has_time_a;
+			}
+			// If no time available, we'll default to sort by name at the end of this method
+		}
+		else
+		{
+			if ((type_a == LLConversationItem::CONV_SESSION_NEARBY) || (type_b == LLConversationItem::CONV_SESSION_NEARBY))
+			{
+				// If one is the nearby session, put nearby session *always* last
+				return (type_b == LLConversationItem::CONV_SESSION_NEARBY);
+			}
+			else if (sort_order == LLConversationFilter::SO_SESSION_TYPE)
+			{
+				if (type_a != type_b)
+				{
+					// Lowest types come first. See LLConversationItem definition of types
+					return (type_a < type_b);
+				}
+			// If types are identical, we'll default to sort by name at the end of this method
+			}
+		}
+	}
+	else
+	{
+		// If one item is a participant and the other a session, the session comes before the participant
+		// so we simply compare the type
+		// Notes: as a consequence, CONV_UNKNOWN (which should never get created...) always come first
+		return (type_a > type_b);
+	}
+	// By default, in all other possible cases (including sort order type LLConversationFilter::SO_NAME of course), 
+	// we sort by name
+	S32 compare = LLStringUtil::compareDict(a->getName(), b->getName());
+	return (compare < 0);
+}
+
+//
+// LLConversationViewModel
+//
+
+void LLConversationViewModel::sort(LLFolderViewFolder* folder) 
+{
+	base_t::sort(folder);
+}
+
+// EOF
diff --git a/indra/newview/llconversationmodel.h b/indra/newview/llconversationmodel.h
new file mode 100755
index 0000000000..6aaea041e4
--- /dev/null
+++ b/indra/newview/llconversationmodel.h
@@ -0,0 +1,312 @@
+/** 
+ * @file llconversationmodel.h
+ * @brief Implementation of conversations list
+ *
+ * $LicenseInfo:firstyear=2009&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLCONVERSATIONMODEL_H
+#define LL_LLCONVERSATIONMODEL_H
+
+#include <boost/signals2.hpp>
+
+#include "llavatarname.h"
+#include "../llui/llfolderviewitem.h"
+#include "../llui/llfolderviewmodel.h"
+#include "llviewerfoldertype.h"
+
+// Implementation of conversations list
+
+class LLConversationItem;
+class LLConversationItemSession;
+class LLConversationItemParticipant;
+
+typedef std::map<LLUUID, LLConversationItem*> conversations_items_map;
+typedef std::map<LLUUID, LLFolderViewItem*> conversations_widgets_map;
+
+typedef std::vector<std::string> menuentry_vec_t;
+
+// Conversation items: we hold a list of those and create an LLFolderViewItem widget for each  
+// that we tuck into the mConversationsListPanel. 
+class LLConversationItem : public LLFolderViewModelItemCommon
+{
+public:
+	enum EConversationType
+	{
+		CONV_UNKNOWN         = 0,
+		CONV_PARTICIPANT     = 1,
+		CONV_SESSION_NEARBY  = 2,	// The order counts here as it is used to sort sessions by type
+		CONV_SESSION_1_ON_1  = 3,
+		CONV_SESSION_AD_HOC  = 4,
+		CONV_SESSION_GROUP   = 5,
+		CONV_SESSION_UNKNOWN = 6
+	};
+	
+	LLConversationItem(std::string display_name, const LLUUID& uuid, LLFolderViewModelInterface& root_view_model);
+	LLConversationItem(const LLUUID& uuid, LLFolderViewModelInterface& root_view_model);
+	LLConversationItem(LLFolderViewModelInterface& root_view_model);
+	virtual ~LLConversationItem();
+
+	// Stub those things we won't really be using in this conversation context
+	virtual const std::string& getName() const { return mName; }
+	virtual const std::string& getDisplayName() const { return mName; }
+	virtual const std::string& getSearchableName() const { return mName; }
+	virtual const LLUUID& getUUID() const { return mUUID; }
+	virtual time_t getCreationDate() const { return 0; }
+	virtual LLPointer<LLUIImage> getIcon() const { return NULL; }
+	virtual LLPointer<LLUIImage> getOpenIcon() const { return getIcon(); }
+	virtual LLFontGL::StyleFlags getLabelStyle() const { return LLFontGL::NORMAL; }
+	virtual std::string getLabelSuffix() const { return LLStringUtil::null; }
+	virtual BOOL isItemRenameable() const { return TRUE; }
+	virtual BOOL renameItem(const std::string& new_name) { mName = new_name; mNeedsRefresh = true; return TRUE; }
+	virtual BOOL isItemMovable( void ) const { return FALSE; }
+	virtual BOOL isItemRemovable( void ) const { return FALSE; }
+	virtual BOOL isItemInTrash( void) const { return FALSE; }
+	virtual BOOL removeItem() { return FALSE; }
+	virtual void removeBatch(std::vector<LLFolderViewModelItem*>& batch) { }
+	virtual void move( LLFolderViewModelItem* parent_listener ) { }
+	virtual BOOL isItemCopyable() const { return FALSE; }
+	virtual BOOL copyToClipboard() const { return FALSE; }
+	virtual BOOL cutToClipboard() const { return FALSE; }
+	virtual BOOL isClipboardPasteable() const { return FALSE; }
+	virtual void pasteFromClipboard() { }
+	virtual void pasteLinkFromClipboard() { }
+	virtual void buildContextMenu(LLMenuGL& menu, U32 flags) { }
+	virtual BOOL isUpToDate() const { return TRUE; }
+	virtual bool hasChildren() const { return FALSE; }
+
+	virtual bool potentiallyVisible() { return true; }
+	virtual bool filter( LLFolderViewFilter& filter) { return false; }
+	virtual bool descendantsPassedFilter(S32 filter_generation = -1) { return true; }
+	virtual void setPassedFilter(bool passed, S32 filter_generation, std::string::size_type string_offset = std::string::npos, std::string::size_type string_size = 0) { }
+	virtual bool passedFilter(S32 filter_generation = -1) { return true; }
+
+	// The action callbacks
+	virtual void performAction(LLInventoryModel* model, std::string action);
+	virtual void openItem( void );
+	virtual void closeItem( void );
+	virtual void previewItem( void );
+	virtual void selectItem(void) { } 
+	virtual void showProperties(void);
+
+	// Methods used in sorting (see LLConversationSort::operator())
+	EConversationType const getType() const { return mConvType; }
+	virtual const bool getTime(F64& time) const { time = mLastActiveTime; return (time > 0.1); }
+	virtual const bool getDistanceToAgent(F64& distance) const { return false; }
+	
+	// This method will be called to determine if a drop can be
+	// performed, and will set drop to TRUE if a drop is
+	// requested. 
+	// Returns TRUE if a drop is possible/happened, FALSE otherwise.
+	virtual BOOL dragOrDrop(MASK mask, BOOL drop,
+							EDragAndDropType cargo_type,
+							void* cargo_data,
+							std::string& tooltip_msg) { return FALSE; }
+	
+//	bool hasSameValues(std::string name, const LLUUID& uuid) { return ((name == mName) && (uuid == mUUID)); }
+	bool hasSameValue(const LLUUID& uuid) { return (uuid == mUUID); }
+	
+	void resetRefresh() { mNeedsRefresh = false; }
+	bool needsRefresh() { return mNeedsRefresh; }
+	
+	void postEvent(const std::string& event_type, LLConversationItemSession* session, LLConversationItemParticipant* participant);
+	
+    void buildParticipantMenuOptions(menuentry_vec_t& items, U32 flags);
+
+	void fetchAvatarName(bool isParticipant = true);		// fetch and update the avatar name
+
+protected:
+	virtual void onAvatarNameCache(const LLAvatarName& av_name) {}
+
+	std::string mName;	// Name of the session or the participant
+	LLUUID mUUID;		// UUID of the session or the participant
+	EConversationType mConvType;	// Type of conversation item
+	bool mNeedsRefresh;	// Flag signaling to the view that something changed for this item
+	F64  mLastActiveTime;
+	bool mDisplayModeratorOptions;
+	boost::signals2::connection mAvatarNameCacheConnection;
+};	
+
+class LLConversationItemSession : public LLConversationItem
+{
+public:
+	LLConversationItemSession(std::string display_name, const LLUUID& uuid, LLFolderViewModelInterface& root_view_model);
+	LLConversationItemSession(const LLUUID& uuid, LLFolderViewModelInterface& root_view_model);
+	
+	/*virtual*/ bool hasChildren() const;
+    LLPointer<LLUIImage> getIcon() const { return NULL; }
+	void setSessionID(const LLUUID& session_id) { mUUID = session_id; mNeedsRefresh = true; }
+	void addParticipant(LLConversationItemParticipant* participant);
+	void updateName(LLConversationItemParticipant* participant);
+	void removeParticipant(LLConversationItemParticipant* participant);
+	void removeParticipant(const LLUUID& participant_id);
+	void clearParticipants();
+	LLConversationItemParticipant* findParticipant(const LLUUID& participant_id);
+
+	void setParticipantIsMuted(const LLUUID& participant_id, bool is_muted);
+	void setParticipantIsModerator(const LLUUID& participant_id, bool is_moderator);
+	void setTimeNow(const LLUUID& participant_id);
+	void setDistance(const LLUUID& participant_id, F64 dist);
+	
+	bool isLoaded() { return mIsLoaded; }
+	
+    void buildContextMenu(LLMenuGL& menu, U32 flags);
+    void addVoiceOptions(menuentry_vec_t& items);
+	virtual const bool getTime(F64& time) const;
+
+	void dumpDebugData(bool dump_children = false);
+
+private:
+	/*virtual*/ void onAvatarNameCache(const LLAvatarName& av_name);
+
+	bool mIsLoaded;		// true if at least one participant has been added to the session, false otherwise
+};
+
+class LLConversationItemParticipant : public LLConversationItem
+{
+public:
+	LLConversationItemParticipant(std::string display_name, const LLUUID& uuid, LLFolderViewModelInterface& root_view_model);
+	LLConversationItemParticipant(const LLUUID& uuid, LLFolderViewModelInterface& root_view_model);
+	
+	virtual const std::string& getDisplayName() const { return mDisplayName; }
+
+	bool isMuted() { return mIsMuted; }
+	bool isModerator() {return mIsModerator; }
+	void setIsMuted(bool is_muted) { mIsMuted = is_muted; mNeedsRefresh = true; }
+	void setIsModerator(bool is_moderator) { mIsModerator = is_moderator; mNeedsRefresh = true; }
+	void setTimeNow() { mLastActiveTime = LLFrameTimer::getElapsedSeconds(); mNeedsRefresh = true; }
+	void setDistance(F64 dist) { mDistToAgent = dist; mNeedsRefresh = true; }
+
+    void buildContextMenu(LLMenuGL& menu, U32 flags);
+
+	virtual const bool getDistanceToAgent(F64& dist) const { dist = mDistToAgent; return (dist >= 0.0); }
+
+	void updateName();	// get from the cache (do *not* fetch) and update the avatar name
+	LLConversationItemSession* getParentSession();
+
+	void dumpDebugData();
+	void setModeratorOptionsVisible(bool visible) { mDisplayModeratorOptions = visible; }
+
+private:
+	void onAvatarNameCache(const LLAvatarName& av_name);	// callback used by fetchAvatarName
+	void updateName(const LLAvatarName& av_name);
+
+	bool mIsMuted;		// default is false
+	bool mIsModerator;	// default is false
+	std::string mDisplayName;
+	F64  mDistToAgent;  // Distance to the agent. A negative (meaningless) value means the distance has not been set.
+	boost::signals2::connection mAvatarNameCacheConnection;
+};
+
+// We don't want to ever filter conversations but we need to declare that class to create a conversation view model.
+// We just stubb everything for the moment.
+class LLConversationFilter : public LLFolderViewFilter
+{
+public:
+		
+	enum ESortOrderType
+	{
+		SO_NAME = 0,						// Sort by name
+		SO_DATE = 0x1,						// Sort by date (most recent)
+		SO_SESSION_TYPE = 0x2,				// Sort by type (valid only for sessions)
+		SO_DISTANCE = 0x3,					// Sort by distance (valid only for participants in nearby chat)
+	};
+	// Default sort order is by type for sessions and by date for participants
+	static const U32 SO_DEFAULT = (SO_SESSION_TYPE << 16) | (SO_DATE);
+	
+	LLConversationFilter() { mEmpty = ""; }
+	~LLConversationFilter() {}
+		
+	bool 				check(const LLFolderViewModelItem* item) { return true; }
+	bool				checkFolder(const LLFolderViewModelItem* folder) const { return true; }
+	void 				setEmptyLookupMessage(const std::string& message) { }
+	std::string			getEmptyLookupMessage() const { return mEmpty; }
+	bool				showAllResults() const { return true; }
+	std::string::size_type getStringMatchOffset(LLFolderViewModelItem* item) const { return std::string::npos; }
+	std::string::size_type getFilterStringSize() const { return 0; }
+		
+	bool 				isActive() const { return false; }
+	bool 				isModified() const { return false; }
+	void 				clearModified() { }
+	const std::string& 	getName() const { return mEmpty; }
+	const std::string& 	getFilterText() { return mEmpty; }
+	void 				setModified(EFilterModified behavior = FILTER_RESTART) { }
+		
+	void 				setFilterCount(S32 count) { }
+	S32 				getFilterCount() const { return 0; }
+	void 				decrementFilterCount() { }
+		
+	bool 				isDefault() const { return true; }
+	bool 				isNotDefault() const { return false; }
+	void 				markDefault() { }
+	void 				resetDefault() { }
+		
+	S32 				getCurrentGeneration() const { return 0; }
+	S32 				getFirstSuccessGeneration() const { return 0; }
+	S32 				getFirstRequiredGeneration() const { return 0; }
+private:
+	std::string mEmpty;
+};
+
+class LLConversationSort
+{
+public:
+	LLConversationSort(U32 order = LLConversationFilter::SO_DEFAULT) : mSortOrder(order) { }
+	
+	// 16 LSB bits used for participants, 16 MSB bits for sessions
+	U32 getSortOrderSessions() const { return ((mSortOrder >> 16) & 0xFFFF); }
+	U32 getSortOrderParticipants() const { return (mSortOrder & 0xFFFF); }
+	void setSortOrderSessions(LLConversationFilter::ESortOrderType session) { mSortOrder = ((session & 0xFFFF) << 16) | (mSortOrder & 0xFFFF); }
+	void setSortOrderParticipants(LLConversationFilter::ESortOrderType participant) { mSortOrder = (mSortOrder & 0xFFFF0000) | (participant & 0xFFFF); }
+
+	bool operator()(const LLConversationItem* const& a, const LLConversationItem* const& b) const;
+	operator U32() const { return mSortOrder; }
+private:
+	// Note: we're treating this value as a sort order bitmask as done in other places in the code (e.g. inventory)
+	U32  mSortOrder;
+};
+
+class LLConversationViewModel
+:	public LLFolderViewModel<LLConversationSort, LLConversationItem, LLConversationItem, LLConversationFilter>
+{
+public:
+	typedef LLFolderViewModel<LLConversationSort, LLConversationItem, LLConversationItem, LLConversationFilter> base_t;
+	
+	void sort(LLFolderViewFolder* folder);
+	bool contentsReady() { return true; }	// *TODO : we need to check that participants names are available somewhat
+	bool startDrag(std::vector<LLFolderViewModelItem*>& items) { return false; } // We do not allow drag of conversation items
+	
+private:
+};
+
+// Utility function to hide all entries except those in the list
+// Can be called multiple times on the same menu (e.g. if multiple items
+// are selected).  If "append" is false, then only common enabled items
+// are set as enabled.
+
+//(defined in inventorybridge.cpp)
+//TODO: Gilbert Linden - Refactor to make this function non-global
+void hide_context_entries(LLMenuGL& menu, 
+    const menuentry_vec_t &entries_to_show, 
+    const menuentry_vec_t &disabled_entries);
+
+#endif // LL_LLCONVERSATIONMODEL_H
diff --git a/indra/newview/llconversationview.cpp b/indra/newview/llconversationview.cpp
new file mode 100755
index 0000000000..903dd2a407
--- /dev/null
+++ b/indra/newview/llconversationview.cpp
@@ -0,0 +1,627 @@
+/** 
+ * @file llconversationview.cpp
+ * @brief Implementation of conversations list widgets and views
+ *
+ * $LicenseInfo:firstyear=2009&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+
+#include "llviewerprecompiledheaders.h"
+
+#include "llconversationview.h"
+
+#include <boost/bind.hpp>
+#include "llagentdata.h"
+#include "llconversationmodel.h"
+#include "llfloaterimsession.h"
+#include "llfloaterimnearbychat.h"
+#include "llfloaterimsessiontab.h"
+#include "llfloaterimcontainer.h"
+#include "llfloaterreg.h"
+#include "llgroupiconctrl.h"
+#include "lluictrlfactory.h"
+
+//
+// Implementation of conversations list session widgets
+//
+static LLDefaultChildRegistry::Register<LLConversationViewSession> r_conversation_view_session("conversation_view_session");
+
+const LLColor4U DEFAULT_WHITE(255, 255, 255);
+
+class LLNearbyVoiceClientStatusObserver : public LLVoiceClientStatusObserver
+{
+public:
+
+	LLNearbyVoiceClientStatusObserver(LLConversationViewSession* conv)
+	:	conversation(conv)
+	{}
+
+	virtual void onChange(EStatusType status, const std::string &channelURI, bool proximal)
+	{
+		conversation->showVoiceIndicator(conversation
+			&& status != STATUS_JOINING
+			&& status != STATUS_LEFT_CHANNEL
+			&& LLVoiceClient::getInstance()->voiceEnabled()
+			&& LLVoiceClient::getInstance()->isVoiceWorking());
+	}
+
+private:
+	LLConversationViewSession* conversation;
+};
+
+LLConversationViewSession::Params::Params() :	
+	container()
+{}
+
+LLConversationViewSession::LLConversationViewSession(const LLConversationViewSession::Params& p):
+	LLFolderViewFolder(p),
+	mContainer(p.container),
+	mItemPanel(NULL),
+	mCallIconLayoutPanel(NULL),
+	mSessionTitle(NULL),
+	mSpeakingIndicator(NULL),
+	mVoiceClientObserver(NULL),
+	mCollapsedMode(false),
+    mHasArrow(true),
+	mFlashStateOn(false),
+	mFlashStarted(false)
+{
+	mFlashTimer = new LLFlashTimer();
+}
+
+LLConversationViewSession::~LLConversationViewSession()
+{
+	mActiveVoiceChannelConnection.disconnect();
+
+	if(LLVoiceClient::instanceExists() && mVoiceClientObserver)
+	{
+		LLVoiceClient::getInstance()->removeObserver(mVoiceClientObserver);
+	}
+
+	mFlashTimer->unset();
+}
+
+void LLConversationViewSession::setFlashState(bool flash_state)
+{
+	mFlashStateOn = flash_state;
+	mFlashStarted = false;
+	mFlashTimer->stopFlashing();
+}
+
+void LLConversationViewSession::startFlashing()
+{
+	if (mFlashStateOn && !mFlashStarted)
+	{
+		mFlashStarted = true;
+		mFlashTimer->startFlashing();
+	}
+}
+
+bool LLConversationViewSession::isHighlightAllowed()
+{
+	return mFlashStateOn || mIsSelected;
+}
+
+bool LLConversationViewSession::isHighlightActive()
+{
+	return (mFlashStateOn ? (mFlashTimer->isFlashingInProgress() ? mFlashTimer->isCurrentlyHighlighted() : true) : mIsCurSelection);
+}
+
+BOOL LLConversationViewSession::postBuild()
+{
+	LLFolderViewItem::postBuild();
+
+	mItemPanel = LLUICtrlFactory::getInstance()->createFromFile<LLPanel>("panel_conversation_list_item.xml", NULL, LLPanel::child_registry_t::instance());
+	addChild(mItemPanel);
+
+	mCallIconLayoutPanel = mItemPanel->getChild<LLPanel>("call_icon_panel");
+	mSessionTitle = mItemPanel->getChild<LLTextBox>("conversation_title");
+
+	mActiveVoiceChannelConnection = LLVoiceChannel::setCurrentVoiceChannelChangedCallback(boost::bind(&LLConversationViewSession::onCurrentVoiceSessionChanged, this, _1));
+	mSpeakingIndicator = getChild<LLOutputMonitorCtrl>("speaking_indicator");
+
+	LLConversationItem* vmi = dynamic_cast<LLConversationItem*>(getViewModelItem());
+	if (vmi)
+	{
+		switch(vmi->getType())
+		{
+		case LLConversationItem::CONV_PARTICIPANT:
+		case LLConversationItem::CONV_SESSION_1_ON_1:
+		{
+			LLIMModel::LLIMSession* session=  LLIMModel::instance().findIMSession(vmi->getUUID());
+			if (session)
+			{
+				LLAvatarIconCtrl* icon = mItemPanel->getChild<LLAvatarIconCtrl>("avatar_icon");
+				icon->setVisible(true);
+				icon->setValue(session->mOtherParticipantID);
+				mSpeakingIndicator->setSpeakerId(gAgentID, session->mSessionID, true);
+                mHasArrow = false;
+			}
+			break;
+		}
+		case LLConversationItem::CONV_SESSION_AD_HOC:
+		{
+			LLGroupIconCtrl* icon = mItemPanel->getChild<LLGroupIconCtrl>("group_icon");
+			icon->setVisible(true);
+			mSpeakingIndicator->setSpeakerId(gAgentID, vmi->getUUID(), true);
+			break;
+		}
+		case LLConversationItem::CONV_SESSION_GROUP:
+		{
+			LLGroupIconCtrl* icon = mItemPanel->getChild<LLGroupIconCtrl>("group_icon");
+			icon->setVisible(true);
+			icon->setValue(vmi->getUUID());
+			mSpeakingIndicator->setSpeakerId(gAgentID, vmi->getUUID(), true);
+			break;
+		}
+		case LLConversationItem::CONV_SESSION_NEARBY:
+		{
+			LLIconCtrl* icon = mItemPanel->getChild<LLIconCtrl>("nearby_chat_icon");
+			icon->setVisible(true);
+			mSpeakingIndicator->setSpeakerId(gAgentID, LLUUID::null, true);
+			if(LLVoiceClient::instanceExists())
+			{
+				LLNearbyVoiceClientStatusObserver* mVoiceClientObserver = new LLNearbyVoiceClientStatusObserver(this);
+				LLVoiceClient::getInstance()->addObserver(mVoiceClientObserver);
+			}
+			break;
+		}
+		default:
+			break;
+		}
+	}
+
+	refresh();
+
+	return TRUE;
+}
+
+void LLConversationViewSession::draw()
+{
+	getViewModelItem()->update();
+
+	const LLFolderViewItem::Params& default_params = LLUICtrlFactory::getDefaultParams<LLFolderViewItem>();
+	const BOOL show_context = (getRoot() ? getRoot()->getShowSelectionContext() : FALSE);
+
+	// we don't draw the open folder arrow in minimized mode
+	if (mHasArrow && !mCollapsedMode)
+	{
+		// update the rotation angle of open folder arrow
+		updateLabelRotation();
+		drawOpenFolderArrow(default_params, sFgColor);
+	}
+
+	// Indicate that flash can start (moot operation if already started, done or not flashing)
+	startFlashing();
+
+	// draw highlight for selected items
+	drawHighlight(show_context, true, sHighlightBgColor, sFlashBgColor, sFocusOutlineColor, sMouseOverColor);
+
+	// Draw children if root folder, or any other folder that is open. Do not draw children when animating to closed state or you get rendering overlap.
+	bool draw_children = getRoot() == static_cast<LLFolderViewFolder*>(this) || isOpen();
+
+	for (folders_t::iterator iter = mFolders.begin();
+		iter != mFolders.end();)
+	{
+		folders_t::iterator fit = iter++;
+		(*fit)->setVisible(draw_children);
+	}
+	for (items_t::iterator iter = mItems.begin();
+		iter != mItems.end();)
+	{
+		items_t::iterator iit = iter++;
+		(*iit)->setVisible(draw_children);
+	}
+
+	LLView::draw();
+}
+
+BOOL LLConversationViewSession::handleMouseDown( S32 x, S32 y, MASK mask )
+{
+	LLConversationItem* item = dynamic_cast<LLConversationItem *>(getViewModelItem());
+    LLUUID session_id = item? item->getUUID() : LLUUID();
+    //Will try to select a child node and then itself (if a child was not selected)
+    BOOL result = LLFolderViewFolder::handleMouseDown(x, y, mask);
+
+    //This node (conversation) was selected and a child (participant) was not
+    if(result && getRoot()->getCurSelectedItem() == this)
+	{
+		LLFloaterIMContainer *im_container = LLFloaterReg::getTypedInstance<LLFloaterIMContainer>("im_container");
+		im_container->clearAllFlashStates();
+		im_container->selectConversationPair(session_id, false);
+		im_container->collapseMessagesPane(false);
+	}
+
+	return result;
+}
+
+// virtual
+S32 LLConversationViewSession::arrange(S32* width, S32* height)
+{
+    //LLFolderViewFolder::arrange computes value for getIndentation() function below
+    S32 arranged = LLFolderViewFolder::arrange(width, height);
+
+    S32 h_pad = mHasArrow ? getIndentation() + mArrowSize : getIndentation();
+	
+	LLRect rect(mCollapsedMode ? getLocalRect().mLeft : h_pad,
+				getLocalRect().mTop,
+				getLocalRect().mRight,
+				getLocalRect().mTop - getItemHeight());
+	mItemPanel->setShape(rect);
+
+	return arranged;
+}
+
+// virtual
+void LLConversationViewSession::toggleOpen()
+{
+	// conversations should not be opened while in minimized mode
+	if (!mCollapsedMode)
+	{
+		LLFolderViewFolder::toggleOpen();
+
+		// do item's selection when opened
+		if (LLFolderViewFolder::isOpen())
+		{
+			getParentFolder()->setSelection(this, true);
+		}
+		mContainer->reSelectConversation();
+	}
+}
+
+void LLConversationViewSession::toggleCollapsedMode(bool is_collapsed)
+{
+	mCollapsedMode = is_collapsed;
+
+	// hide the layout stack which contains all item's child widgets
+	// except for the icon which we display in minimized mode
+	getChild<LLView>("conversation_item_stack")->setVisible(!mCollapsedMode);
+
+    S32 h_pad = mHasArrow ? getIndentation() + mArrowSize : getIndentation();
+
+	mItemPanel->translate(mCollapsedMode ? -h_pad : h_pad, 0);
+}
+
+void LLConversationViewSession::setVisibleIfDetached(BOOL visible)
+{
+	// Do this only if the conversation floater has been torn off (i.e. no multi floater host) and is not minimized
+	// Note: minimized dockable floaters are brought to front hence unminimized when made visible and we don't want that here
+	LLFolderViewModelItem* item = mViewModelItem;
+	LLUUID session_uuid = dynamic_cast<LLConversationItem*>(item)->getUUID();
+	LLFloater* session_floater = LLFloaterIMSessionTab::getConversation(session_uuid);
+	
+	if (session_floater && !session_floater->getHost() && !session_floater->isMinimized())
+	{
+		session_floater->setVisible(visible);
+	}
+}
+
+LLConversationViewParticipant* LLConversationViewSession::findParticipant(const LLUUID& participant_id)
+{
+	// This is *not* a general tree parsing algorithm. We search only in the mItems list
+	// assuming there is no mFolders which makes sense for sessions (sessions don't contain
+	// sessions).
+	LLConversationViewParticipant* participant = NULL;
+	items_t::const_iterator iter;
+	for (iter = getItemsBegin(); iter != getItemsEnd(); iter++)
+	{
+		participant = dynamic_cast<LLConversationViewParticipant*>(*iter);
+		if (participant->hasSameValue(participant_id))
+		{
+			break;
+		}
+	}
+	return (iter == getItemsEnd() ? NULL : participant);
+}
+
+void LLConversationViewSession::showVoiceIndicator(bool visible)
+{
+	mCallIconLayoutPanel->setVisible(visible && LLVoiceChannel::getCurrentVoiceChannel()->getSessionID().isNull());
+}
+
+void LLConversationViewSession::refresh()
+{
+	// Refresh the session view from its model data
+	LLConversationItem* vmi = dynamic_cast<LLConversationItem*>(getViewModelItem());
+	vmi->resetRefresh();
+	
+	if (mSessionTitle)
+	{
+		mSessionTitle->setText(vmi->getDisplayName());
+	}
+
+	// Update all speaking indicators
+	LLSpeakingIndicatorManager::updateSpeakingIndicators();
+	
+	// Do the regular upstream refresh
+	LLFolderViewFolder::refresh();
+}
+
+void LLConversationViewSession::onCurrentVoiceSessionChanged(const LLUUID& session_id)
+{
+	LLConversationItem* vmi = dynamic_cast<LLConversationItem*>(getViewModelItem());
+
+	if (vmi)
+	{
+		bool is_active = vmi->getUUID() == session_id;
+		mCallIconLayoutPanel->setVisible(is_active);
+	}
+}
+
+//
+// Implementation of conversations list participant (avatar) widgets
+//
+
+static LLDefaultChildRegistry::Register<LLConversationViewParticipant> r("conversation_view_participant");
+bool LLConversationViewParticipant::sStaticInitialized = false;
+S32 LLConversationViewParticipant::sChildrenWidths[LLConversationViewParticipant::ALIC_COUNT];
+
+LLConversationViewParticipant::Params::Params() :	
+container(),
+participant_id(),
+avatar_icon("avatar_icon"),
+info_button("info_button"),
+output_monitor("output_monitor")
+{}
+
+LLConversationViewParticipant::LLConversationViewParticipant( const LLConversationViewParticipant::Params& p ):
+	LLFolderViewItem(p),
+    mAvatarIcon(NULL),
+    mInfoBtn(NULL),
+    mSpeakingIndicator(NULL),
+    mUUID(p.participant_id)
+{
+}
+
+LLConversationViewParticipant::~LLConversationViewParticipant()
+{
+	mActiveVoiceChannelConnection.disconnect();
+}
+
+void LLConversationViewParticipant::initFromParams(const LLConversationViewParticipant::Params& params)
+{	
+    LLAvatarIconCtrl::Params avatar_icon_params(params.avatar_icon());
+    applyXUILayout(avatar_icon_params, this);
+    LLAvatarIconCtrl * avatarIcon = LLUICtrlFactory::create<LLAvatarIconCtrl>(avatar_icon_params);
+    addChild(avatarIcon);	
+    
+	LLButton::Params info_button_params(params.info_button());
+    applyXUILayout(info_button_params, this);
+	LLButton * button = LLUICtrlFactory::create<LLButton>(info_button_params);
+	addChild(button);	
+
+    LLOutputMonitorCtrl::Params output_monitor_params(params.output_monitor());
+    applyXUILayout(output_monitor_params, this);
+    LLOutputMonitorCtrl * outputMonitor = LLUICtrlFactory::create<LLOutputMonitorCtrl>(output_monitor_params);
+    addChild(outputMonitor);
+}
+
+BOOL LLConversationViewParticipant::postBuild()
+{
+    mAvatarIcon = getChild<LLAvatarIconCtrl>("avatar_icon");
+
+	mInfoBtn = getChild<LLButton>("info_btn");
+	mInfoBtn->setClickedCallback(boost::bind(&LLConversationViewParticipant::onInfoBtnClick, this));
+	mInfoBtn->setVisible(false);
+
+	mSpeakingIndicator = getChild<LLOutputMonitorCtrl>("speaking_indicator");
+
+    if (!sStaticInitialized)
+    {
+        // Remember children widths including their padding from the next sibling,
+        // so that we can hide and show them again later.
+        initChildrenWidths(this);
+        sStaticInitialized = true;
+    }
+
+    updateChildren();
+	return LLFolderViewItem::postBuild();
+}
+
+void LLConversationViewParticipant::draw()
+{
+    static LLUIColor sFgColor = LLUIColorTable::instance().getColor("MenuItemEnabledColor", DEFAULT_WHITE);
+	static LLUIColor sFgDisabledColor = LLUIColorTable::instance().getColor("MenuItemDisabledColor", DEFAULT_WHITE);
+    static LLUIColor sHighlightFgColor = LLUIColorTable::instance().getColor("MenuItemHighlightFgColor", DEFAULT_WHITE);
+    static LLUIColor sHighlightBgColor = LLUIColorTable::instance().getColor("MenuItemHighlightBgColor", DEFAULT_WHITE);
+    static LLUIColor sFlashBgColor = LLUIColorTable::instance().getColor("MenuItemFlashBgColor", DEFAULT_WHITE);
+    static LLUIColor sFocusOutlineColor = LLUIColorTable::instance().getColor("InventoryFocusOutlineColor", DEFAULT_WHITE);
+    static LLUIColor sMouseOverColor = LLUIColorTable::instance().getColor("InventoryMouseOverColor", DEFAULT_WHITE);
+
+    const BOOL show_context = (getRoot() ? getRoot()->getShowSelectionContext() : FALSE);
+
+    const LLFontGL* font = getLabelFontForStyle(mLabelStyle);
+    F32 right_x  = 0;
+
+    F32 y = (F32)getRect().getHeight() - font->getLineHeight() - (F32)mTextPad;
+    F32 text_left = (F32)getLabelXPos();
+	
+	LLColor4 color;
+	LLLocalSpeakerMgr *speakerMgr = LLLocalSpeakerMgr::getInstance();
+
+	if (speakerMgr && speakerMgr->isSpeakerToBeRemoved(mUUID))
+	{
+		color = sFgDisabledColor;
+	}
+	else
+	{
+		color = mIsSelected ? sHighlightFgColor : sFgColor;
+	}
+
+    drawHighlight(show_context, mIsSelected, sHighlightBgColor, sFlashBgColor, sFocusOutlineColor, sMouseOverColor);
+    drawLabel(font, text_left, y, color, right_x);
+	refresh();
+
+    LLView::draw();
+}
+
+// virtual
+S32 LLConversationViewParticipant::arrange(S32* width, S32* height)
+{
+    //Need to call arrange first since it computes value used in getIndentation()
+    S32 arranged = LLFolderViewItem::arrange(width, height);
+
+    //Adjusts the avatar icon based upon the indentation
+    LLRect avatarRect(getIndentation(), 
+                        mAvatarIcon->getRect().mTop,
+                        getIndentation() + mAvatarIcon->getRect().getWidth(),
+                        mAvatarIcon->getRect().mBottom);
+    mAvatarIcon->setShape(avatarRect);
+
+    //Since dimensions changed, adjust the children (info button, speaker indicator)
+    updateChildren();
+
+    return arranged;
+}
+
+void LLConversationViewParticipant::refresh()
+{
+	// Refresh the participant view from its model data
+	LLConversationItemParticipant* participant_model = dynamic_cast<LLConversationItemParticipant*>(getViewModelItem());
+	participant_model->resetRefresh();
+	
+	// *TODO: We should also do something with vmi->isModerator() to echo that state in the UI somewhat
+	mSpeakingIndicator->setIsMuted(participant_model->isMuted());
+	
+	// Do the regular upstream refresh
+	LLFolderViewItem::refresh();
+}
+
+void LLConversationViewParticipant::addToFolder(LLFolderViewFolder* folder)
+{
+    // Add the item to the folder (conversation)
+    LLFolderViewItem::addToFolder(folder);
+	
+    // Retrieve the folder (conversation) UUID, which is also the speaker session UUID
+    LLConversationItem* vmi = this->getParentFolder() ? dynamic_cast<LLConversationItem*>(this->getParentFolder()->getViewModelItem()) : NULL;
+    if (vmi)
+    {
+		addToSession(vmi->getUUID());
+    }
+}
+
+void LLConversationViewParticipant::addToSession(const LLUUID& session_id)
+{
+	//Allows speaking icon image to be loaded based on mUUID
+	mAvatarIcon->setValue(mUUID);
+	
+	//Allows the speaker indicator to be activated based on the user and conversation
+	mSpeakingIndicator->setSpeakerId(mUUID, session_id); 
+}
+
+void LLConversationViewParticipant::onInfoBtnClick()
+{
+	LLFloaterReg::showInstance("inspect_avatar", LLSD().with("avatar_id", mUUID));
+}
+
+void LLConversationViewParticipant::onMouseEnter(S32 x, S32 y, MASK mask)
+{
+    mInfoBtn->setVisible(true);
+    updateChildren();
+    LLFolderViewItem::onMouseEnter(x, y, mask);
+}
+
+void LLConversationViewParticipant::onMouseLeave(S32 x, S32 y, MASK mask)
+{
+    mInfoBtn->setVisible(false);
+    updateChildren();
+    LLFolderViewItem::onMouseLeave(x, y, mask);
+}
+
+S32 LLConversationViewParticipant::getLabelXPos()
+{
+    return getIndentation() + mAvatarIcon->getRect().getWidth() + mIconPad;
+}
+
+// static
+void LLConversationViewParticipant::initChildrenWidths(LLConversationViewParticipant* self)
+{
+    //speaking indicator width + padding
+    S32 speaking_indicator_width = self->getRect().getWidth() - self->mSpeakingIndicator->getRect().mLeft;
+
+    //info btn width + padding
+    S32 info_btn_width = self->mSpeakingIndicator->getRect().mLeft - self->mInfoBtn->getRect().mLeft;
+
+    S32 index = ALIC_COUNT;
+    sChildrenWidths[--index] = info_btn_width;
+    sChildrenWidths[--index] = speaking_indicator_width;
+    llassert(index == 0);
+}
+
+void LLConversationViewParticipant::updateChildren()
+{
+    mLabelPaddingRight = DEFAULT_LABEL_PADDING_RIGHT;
+    LLView* control;
+    S32 ctrl_width;
+    LLRect controlRect;
+
+    //Cycles through controls starting from right to left
+    for (S32 i = 0; i < ALIC_COUNT; ++i)
+    {
+        control = getItemChildView((EAvatarListItemChildIndex)i);
+
+        // skip invisible views
+        if (!control->getVisible()) continue;
+
+        //Get current pos/dimensions
+        controlRect = control->getRect();
+
+        ctrl_width = sChildrenWidths[i]; // including space between current & left controls
+        // accumulate the amount of space taken by the controls
+        mLabelPaddingRight += ctrl_width;
+
+        //Reposition visible controls in case adjacent controls to the right are hidden.
+        controlRect.setLeftTopAndSize(
+            getLocalRect().getWidth() - mLabelPaddingRight,
+            controlRect.mTop,
+            controlRect.getWidth(),
+            controlRect.getHeight());
+
+        //Sets the new position
+        control->setShape(controlRect);
+    }
+}
+
+LLView* LLConversationViewParticipant::getItemChildView(EAvatarListItemChildIndex child_view_index)
+{
+    LLView* child_view = NULL;
+
+    switch (child_view_index)
+    {
+        case ALIC_SPEAKER_INDICATOR:
+            child_view = mSpeakingIndicator;
+            break;
+        case ALIC_INFO_BUTTON:
+            child_view = mInfoBtn;
+            break;
+        default:
+            LL_WARNS("AvatarItemReshape") << "Unexpected child view index is passed: " << child_view_index << LL_ENDL;
+            llassert(0);
+            break;
+            // leave child_view untouched
+    }
+
+    return child_view;
+}
+
+// EOF
+
diff --git a/indra/newview/llconversationview.h b/indra/newview/llconversationview.h
new file mode 100755
index 0000000000..5f6acfb9ab
--- /dev/null
+++ b/indra/newview/llconversationview.h
@@ -0,0 +1,172 @@
+/** 
+ * @file llconversationview.h
+ * @brief Implementation of conversations list widgets and views
+ *
+ * $LicenseInfo:firstyear=2009&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLCONVERSATIONVIEW_H
+#define LL_LLCONVERSATIONVIEW_H
+
+#include "../llui/llfolderviewitem.h"
+
+#include "llavatariconctrl.h"
+#include "../llui/llbutton.h"
+#include "lloutputmonitorctrl.h"
+
+class LLTextBox;
+class LLFloaterIMContainer;
+class LLConversationViewSession;
+class LLConversationViewParticipant;
+
+class LLVoiceClientStatusObserver;
+
+// Implementation of conversations list session widgets
+
+class LLConversationViewSession : public LLFolderViewFolder
+{
+public:
+	struct Params : public LLInitParam::Block<Params, LLFolderViewItem::Params>
+	{
+		Optional<LLFloaterIMContainer*>			container;
+
+		Params();
+	};
+		
+protected:
+	friend class LLUICtrlFactory;
+	LLConversationViewSession( const Params& p );
+
+	/*virtual*/ bool isHighlightAllowed();
+	/*virtual*/ bool isHighlightActive();
+	/*virtual*/ bool isFlashing() { return mFlashStateOn; }
+
+	LLFloaterIMContainer* mContainer;
+	
+public:
+	virtual ~LLConversationViewSession();
+
+	/*virtual*/ BOOL postBuild();
+	/*virtual*/ void draw();
+	/*virtual*/ BOOL handleMouseDown( S32 x, S32 y, MASK mask );
+
+	/*virtual*/ S32 arrange(S32* width, S32* height);
+
+	/*virtual*/ void toggleOpen();
+
+	/*virtual*/	bool isCollapsed() { return mCollapsedMode; }
+
+	void toggleCollapsedMode(bool is_collapsed);
+
+	void setVisibleIfDetached(BOOL visible);
+	LLConversationViewParticipant* findParticipant(const LLUUID& participant_id);
+
+	void showVoiceIndicator(bool visible);
+
+	virtual void refresh();
+
+	/*virtual*/ void setFlashState(bool flash_state);
+
+private:
+
+	void onCurrentVoiceSessionChanged(const LLUUID& session_id);
+	void startFlashing();
+
+	LLPanel*				mItemPanel;
+	LLPanel*				mCallIconLayoutPanel;
+	LLTextBox*				mSessionTitle;
+	LLOutputMonitorCtrl*	mSpeakingIndicator;
+	LLFlashTimer*			mFlashTimer;
+	bool					mFlashStateOn;
+	bool					mFlashStarted;
+
+	bool					mCollapsedMode;
+    bool                    mHasArrow;
+
+	LLVoiceClientStatusObserver* mVoiceClientObserver;
+	
+	boost::signals2::connection mActiveVoiceChannelConnection;
+};
+
+// Implementation of conversations list participant (avatar) widgets
+
+class LLConversationViewParticipant : public LLFolderViewItem
+{
+
+public:
+
+	struct Params : public LLInitParam::Block<Params, LLFolderViewItem::Params>
+	{
+        Optional<LLFloaterIMContainer*>			container;
+		Optional<LLUUID>	                    participant_id;
+        Optional<LLAvatarIconCtrl::Params>	    avatar_icon;
+		Optional<LLButton::Params>				info_button;
+        Optional<LLOutputMonitorCtrl::Params>   output_monitor;
+		
+		Params();
+	};
+	
+    virtual ~LLConversationViewParticipant( void );
+
+    bool hasSameValue(const LLUUID& uuid) { return (uuid == mUUID); }
+    virtual void refresh();
+    void addToFolder(LLFolderViewFolder* folder);
+	void addToSession(const LLUUID& session_id);
+
+    void onMouseEnter(S32 x, S32 y, MASK mask);
+    void onMouseLeave(S32 x, S32 y, MASK mask);
+
+    /*virtual*/ S32 getLabelXPos();
+
+protected:
+	friend class LLUICtrlFactory;
+	LLConversationViewParticipant( const Params& p );
+	void initFromParams(const Params& params);
+	BOOL postBuild();
+    /*virtual*/ void draw();
+    /*virtual*/ S32 arrange(S32* width, S32* height);
+	
+	void onInfoBtnClick();
+
+private:
+
+    LLAvatarIconCtrl* mAvatarIcon;
+	LLButton * mInfoBtn;
+    LLOutputMonitorCtrl* mSpeakingIndicator;
+	LLUUID mUUID;		// UUID of the participant
+
+    typedef enum e_avatar_item_child {
+        ALIC_SPEAKER_INDICATOR,
+        ALIC_INFO_BUTTON,
+        ALIC_COUNT,
+    } EAvatarListItemChildIndex;
+
+    static bool	sStaticInitialized; // this variable is introduced to improve code readability
+    static S32 sChildrenWidths[ALIC_COUNT];
+    static void initChildrenWidths(LLConversationViewParticipant* self);
+    void updateChildren();
+    LLView* getItemChildView(EAvatarListItemChildIndex child_view_index);
+	
+	boost::signals2::connection mActiveVoiceChannelConnection;
+};
+
+#endif // LL_LLCONVERSATIONVIEW_H
diff --git a/indra/newview/lldonotdisturbnotificationstorage.cpp b/indra/newview/lldonotdisturbnotificationstorage.cpp
new file mode 100644
index 0000000000..ac41a3804f
--- /dev/null
+++ b/indra/newview/lldonotdisturbnotificationstorage.cpp
@@ -0,0 +1,166 @@
+/** 
+* @file lldonotdisturbnotificationstorage.cpp
+* @brief Implementation of lldonotdisturbnotificationstorage
+* @author Stinson@lindenlab.com
+*
+* $LicenseInfo:firstyear=2012&license=viewerlgpl$
+* Second Life Viewer Source Code
+* Copyright (C) 2012, Linden Research, Inc.
+*
+* This library is free software; you can redistribute it and/or
+* modify it under the terms of the GNU Lesser General Public
+* License as published by the Free Software Foundation;
+* version 2.1 of the License only.
+*
+* This library is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+* Lesser General Public License for more details.
+*
+* You should have received a copy of the GNU Lesser General Public
+* License along with this library; if not, write to the Free Software
+* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+*
+* Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+* $/LicenseInfo$
+*/
+
+#include "llviewerprecompiledheaders.h"
+
+#include "lldonotdisturbnotificationstorage.h"
+
+#include "llcommunicationchannel.h"
+#include "lldir.h"
+#include "llerror.h"
+#include "llfasttimer_class.h"
+#include "llnotifications.h"
+#include "llnotificationhandler.h"
+#include "llnotificationstorage.h"
+#include "llscriptfloater.h"
+#include "llsd.h"
+#include "llsingleton.h"
+#include "lluuid.h"
+
+LLDoNotDisturbNotificationStorage::LLDoNotDisturbNotificationStorage()
+	: LLSingleton<LLDoNotDisturbNotificationStorage>()
+	, LLNotificationStorage(gDirUtilp->getExpandedFilename(LL_PATH_PER_SL_ACCOUNT, "dnd_notifications.xml"))
+{
+}
+
+LLDoNotDisturbNotificationStorage::~LLDoNotDisturbNotificationStorage()
+{
+}
+
+void LLDoNotDisturbNotificationStorage::initialize()
+{
+	getCommunicationChannel()->connectFailedFilter(boost::bind(&LLDoNotDisturbNotificationStorage::onChannelChanged, this, _1));
+}
+
+static LLFastTimer::DeclareTimer FTM_SAVE_DND_NOTIFICATIONS("Save DND Notifications");
+
+void LLDoNotDisturbNotificationStorage::saveNotifications()
+{
+	LLFastTimer _(FTM_SAVE_DND_NOTIFICATIONS);
+
+	LLNotificationChannelPtr channelPtr = getCommunicationChannel();
+	const LLCommunicationChannel *commChannel = dynamic_cast<LLCommunicationChannel*>(channelPtr.get());
+	llassert(commChannel != NULL);
+
+	LLSD output = LLSD::emptyMap();
+	LLSD& data = output["data"];
+	data = LLSD::emptyArray();
+
+	for (LLCommunicationChannel::history_list_t::const_iterator historyIter = commChannel->beginHistory();
+		historyIter != commChannel->endHistory(); ++historyIter)
+	{
+		LLNotificationPtr notificationPtr = historyIter->second;
+
+		if (!notificationPtr->isRespondedTo() && !notificationPtr->isCancelled() && !notificationPtr->isExpired())
+		{
+			data.append(notificationPtr->asLLSD(true));
+		}
+	}
+
+	writeNotifications(output);
+}
+
+static LLFastTimer::DeclareTimer FTM_LOAD_DND_NOTIFICATIONS("Load DND Notifications");
+
+void LLDoNotDisturbNotificationStorage::loadNotifications()
+{
+	LLFastTimer _(FTM_LOAD_DND_NOTIFICATIONS);
+	
+	LLSD input;
+	if (!readNotifications(input) ||input.isUndefined())
+	{
+		return;
+	}
+	
+	LLSD& data = input["data"];
+	if (data.isUndefined())
+	{
+		return;
+	}
+	
+	LLNotifications& instance = LLNotifications::instance();
+	
+	for (LLSD::array_const_iterator notification_it = data.beginArray();
+		 notification_it != data.endArray();
+		 ++notification_it)
+	{
+		LLSD notification_params = *notification_it;
+        const LLUUID& notificationID = notification_params["id"];
+        LLNotificationPtr notification = instance.find(notificationID);
+		
+        //Notification already exists in notification pipeline (same instance of app running)
+		if (notification)
+		{
+            notification->setDND(true);
+			instance.update(notification);
+		}
+        //Notification doesn't exist (different instance since restarted app while in DND mode)
+		else
+		{
+            notification = (LLNotificationPtr) new LLNotification(notification_params.with("is_dnd", true));
+			LLNotificationResponderInterface* responder = createResponder(notification_params["responder_sd"]["responder_type"], notification_params["responder_sd"]);
+			if (responder == NULL)
+			{
+				LL_WARNS("LLDoNotDisturbNotificationStorage") << "cannot create responder for notification of type '"
+					<< notification->getType() << "'" << LL_ENDL;
+			}
+			else
+			{
+				LLNotificationResponderPtr responderPtr(responder);
+				notification->setResponseFunctor(responderPtr);
+			}
+			
+			instance.add(notification);
+		}
+	}
+
+	// Clear the communication channel history and rewrite the save file to empty it as well
+	LLNotificationChannelPtr channelPtr = getCommunicationChannel();
+	LLCommunicationChannel *commChannel = dynamic_cast<LLCommunicationChannel*>(channelPtr.get());
+	llassert(commChannel != NULL);
+	commChannel->clearHistory();
+	
+	saveNotifications();
+}
+
+LLNotificationChannelPtr LLDoNotDisturbNotificationStorage::getCommunicationChannel() const
+{
+	LLNotificationChannelPtr channelPtr = LLNotifications::getInstance()->getChannel("Communication");
+	llassert(channelPtr);
+	return channelPtr;
+}
+
+
+bool LLDoNotDisturbNotificationStorage::onChannelChanged(const LLSD& pPayload)
+{
+	if (pPayload["sigtype"].asString() != "load")
+	{
+		saveNotifications();
+	}
+
+	return false;
+}
diff --git a/indra/newview/lldonotdisturbnotificationstorage.h b/indra/newview/lldonotdisturbnotificationstorage.h
new file mode 100644
index 0000000000..60bcd89ec3
--- /dev/null
+++ b/indra/newview/lldonotdisturbnotificationstorage.h
@@ -0,0 +1,57 @@
+/** 
+* @file   lldonotdisturbnotificationstorage.h
+* @brief  Header file for lldonotdisturbnotificationstorage
+* @author Stinson@lindenlab.com
+*
+* $LicenseInfo:firstyear=2012&license=viewerlgpl$
+* Second Life Viewer Source Code
+* Copyright (C) 2012, Linden Research, Inc.
+*
+* This library is free software; you can redistribute it and/or
+* modify it under the terms of the GNU Lesser General Public
+* License as published by the Free Software Foundation;
+* version 2.1 of the License only.
+*
+* This library is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+* Lesser General Public License for more details.
+*
+* You should have received a copy of the GNU Lesser General Public
+* License along with this library; if not, write to the Free Software
+* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+*
+* Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+* $/LicenseInfo$
+*/
+#ifndef LL_LLDONOTDISTURBNOTIFICATIONSTORAGE_H
+#define LL_LLDONOTDISTURBNOTIFICATIONSTORAGE_H
+
+#include "llerror.h"
+#include "llnotifications.h"
+#include "llnotificationstorage.h"
+#include "llsingleton.h"
+
+class LLSD;
+
+class LLDoNotDisturbNotificationStorage : public LLSingleton<LLDoNotDisturbNotificationStorage>, public LLNotificationStorage
+{
+	LOG_CLASS(LLDoNotDisturbNotificationStorage);
+public:
+	LLDoNotDisturbNotificationStorage();
+	~LLDoNotDisturbNotificationStorage();
+
+	void initialize();
+
+	void saveNotifications();
+	void loadNotifications();
+
+protected:
+
+private:
+	LLNotificationChannelPtr getCommunicationChannel() const;
+	bool                     onChannelChanged(const LLSD& pPayload);
+};
+
+#endif // LL_LLDONOTDISTURBNOTIFICATIONSTORAGE_H
+
diff --git a/indra/newview/lldrawable.cpp b/indra/newview/lldrawable.cpp
index 4894d63e13..1107c3ecd1 100644
--- a/indra/newview/lldrawable.cpp
+++ b/indra/newview/lldrawable.cpp
@@ -433,7 +433,7 @@ void LLDrawable::makeActive()
 	}
 
 	llassert(isAvatar() || isRoot() || mParent->isActive());
-}
+	}
 
 
 void LLDrawable::makeStatic(BOOL warning_enabled)
@@ -447,7 +447,7 @@ void LLDrawable::makeStatic(BOOL warning_enabled)
 
 		//drawable became static with active parent, not acceptable
 		llassert(mParent.isNull() || !mParent->isActive() || !warning_enabled);
-		
+
 		LLViewerObject::const_child_list_t& child_list = mVObjp->getChildren();
 		for (LLViewerObject::child_list_t::const_iterator iter = child_list.begin();
 			 iter != child_list.end(); iter++)
@@ -624,9 +624,7 @@ BOOL LLDrawable::updateMove()
 	{
 		return FALSE;
 	}
-
-	makeActive();
-
+	
 	BOOL done;
 
 	if (isState(MOVE_UNDAMPED))
@@ -635,6 +633,7 @@ BOOL LLDrawable::updateMove()
 	}
 	else
 	{
+		makeActive();
 		done = updateMoveDamped();
 	}
 	return done;
diff --git a/indra/newview/llexpandabletextbox.cpp b/indra/newview/llexpandabletextbox.cpp
index 935dcb74b0..a50184460b 100644
--- a/indra/newview/llexpandabletextbox.cpp
+++ b/indra/newview/llexpandabletextbox.cpp
@@ -150,7 +150,7 @@ void LLExpandableTextBox::LLTextBoxEx::showExpandText()
 		std::pair<S32, S32> visible_lines = getVisibleLines(true);
 		S32 last_line = visible_lines.second - 1;
 
-		LLStyle::Params expander_style(getDefaultStyleParams());
+		LLStyle::Params expander_style(getStyleParams());
 		expander_style.font.style = "UNDERLINE";
 		expander_style.color = LLUIColorTable::instance().getColor("HTMLLinkColor");
 		LLExpanderSegment* expanderp = new LLExpanderSegment(new LLStyle(expander_style), getLineStart(last_line), getLength() + 1, mExpanderLabel, *this);
@@ -166,7 +166,7 @@ void LLExpandableTextBox::LLTextBoxEx::hideExpandText()
 	if (mExpanderVisible)
 	{
 		// this will overwrite the expander segment and all text styling with a single style
-		LLStyleConstSP sp(new LLStyle(getDefaultStyleParams()));
+		LLStyleConstSP sp(new LLStyle(getStyleParams()));
 		LLNormalTextSegment* segmentp = new LLNormalTextSegment(sp, 0, getLength() + 1, *this);
 		insertSegment(segmentp);
 		
diff --git a/indra/newview/llfavoritesbar.cpp b/indra/newview/llfavoritesbar.cpp
index 4cbc9cab4a..ba3d4036c9 100644
--- a/indra/newview/llfavoritesbar.cpp
+++ b/indra/newview/llfavoritesbar.cpp
@@ -38,6 +38,7 @@
 #include "lltooltip.h"
 
 #include "llagent.h"
+#include "llavatarnamecache.h"
 #include "llclipboard.h"
 #include "llclipboard.h"
 #include "llinventorybridge.h"
@@ -45,12 +46,14 @@
 #include "llfloatersidepanelcontainer.h"
 #include "llfloaterworldmap.h"
 #include "lllandmarkactions.h"
+#include "lllogininstance.h"
 #include "llnotificationsutil.h"
 #include "lltoggleablemenu.h"
 #include "llviewerinventory.h"
 #include "llviewermenu.h"
 #include "llviewermenu.h"
 #include "lltooldraganddrop.h"
+#include "llsdserialize.h"
 
 static LLDefaultChildRegistry::Register<LLFavoritesBarCtrl> r("favorites_bar");
 
@@ -317,7 +320,8 @@ public:
 
 		if (item)
 		{
-			item->setSortField(mSortField);
+			LLFavoritesOrderStorage::instance().setSortIndex(item, mSortField);
+
 			item->setComplete(TRUE);
 			item->updateServer(FALSE);
 
@@ -339,8 +343,8 @@ struct LLFavoritesSort
 	// TODO - made it customizible using gSavedSettings
 	bool operator()(const LLViewerInventoryItem* const& a, const LLViewerInventoryItem* const& b)
 	{
-		S32 sortField1 = a->getSortField();
-		S32 sortField2 = b->getSortField();
+		S32 sortField1 = LLFavoritesOrderStorage::instance().getSortIndex(a->getUUID());
+		S32 sortField2 = LLFavoritesOrderStorage::instance().getSortIndex(b->getUUID());
 
 		if (!(sortField1 < 0 && sortField2 < 0))
 		{
@@ -528,7 +532,7 @@ void LLFavoritesBarCtrl::handleExistingFavoriteDragAndDrop(S32 x, S32 y)
 		mItems.push_back(gInventory.getItem(mDragItemId));
 	}
 
-	gInventory.saveItemsOrder(mItems);
+	LLFavoritesOrderStorage::instance().saveItemsOrder(mItems);
 
 	LLToggleableMenu* menu = (LLToggleableMenu*) mOverflowMenuHandle.get();
 
@@ -587,7 +591,8 @@ void LLFavoritesBarCtrl::handleNewFavoriteDragAndDrop(LLInventoryItem *item, con
 		}
 		else
 		{
-			currItem->setSortField(++sortField);
+			LLFavoritesOrderStorage::instance().setSortIndex(currItem, ++sortField);
+
 			currItem->setComplete(TRUE);
 			currItem->updateServer(FALSE);
 
@@ -640,7 +645,7 @@ void LLFavoritesBarCtrl::changed(U32 mask)
 		
 		for (LLInventoryModel::item_array_t::iterator i = items.begin(); i != items.end(); ++i)
 		{
-			(*i)->getSLURL();
+			LLFavoritesOrderStorage::instance().getSLURL((*i)->getAssetUUID());
 		}
 		updateButtons();
 	}
@@ -909,7 +914,7 @@ BOOL LLFavoritesBarCtrl::collectFavoriteItems(LLInventoryModel::item_array_t &it
 		S32 sortField = 0;
 		for (LLInventoryModel::item_array_t::iterator i = items.begin(); i != items.end(); ++i)
 		{
-			(*i)->setSortField(++sortField);
+			LLFavoritesOrderStorage::instance().setSortIndex((*i), ++sortField);
 		}
 	}
 
@@ -1355,7 +1360,7 @@ BOOL LLFavoritesBarCtrl::needToSaveItemsOrder(const LLInventoryModel::item_array
 	// if there is an item without sort order field set, we need to save items order
 	for (LLInventoryModel::item_array_t::const_iterator i = items.begin(); i != items.end(); ++i)
 	{
-		if ((*i)->getSortField() < 0)
+		if (LLFavoritesOrderStorage::instance().getSortIndex((*i)->getUUID()) < 0)
 		{
 			result = TRUE;
 			break;
@@ -1390,4 +1395,291 @@ void LLFavoritesBarCtrl::insertItem(LLInventoryModel::item_array_t& items, const
 	}
 }
 
+const std::string LLFavoritesOrderStorage::SORTING_DATA_FILE_NAME = "landmarks_sorting.xml";
+const S32 LLFavoritesOrderStorage::NO_INDEX = -1;
+
+void LLFavoritesOrderStorage::setSortIndex(const LLViewerInventoryItem* inv_item, S32 sort_index)
+{
+	mSortIndexes[inv_item->getUUID()] = sort_index;
+	mIsDirty = true;
+	getSLURL(inv_item->getAssetUUID());
+}
+
+S32 LLFavoritesOrderStorage::getSortIndex(const LLUUID& inv_item_id)
+{
+	sort_index_map_t::const_iterator it = mSortIndexes.find(inv_item_id);
+	if (it != mSortIndexes.end())
+	{
+		return it->second;
+	}
+	return NO_INDEX;
+}
+
+void LLFavoritesOrderStorage::removeSortIndex(const LLUUID& inv_item_id)
+{
+	mSortIndexes.erase(inv_item_id);
+	mIsDirty = true;
+}
+
+void LLFavoritesOrderStorage::getSLURL(const LLUUID& asset_id)
+{
+	slurls_map_t::iterator slurl_iter = mSLURLs.find(asset_id);
+	if (slurl_iter != mSLURLs.end()) return; // SLURL for current landmark is already cached
+
+	LLLandmark* lm = gLandmarkList.getAsset(asset_id,
+		boost::bind(&LLFavoritesOrderStorage::onLandmarkLoaded, this, asset_id, _1));
+	if (lm)
+	{
+		onLandmarkLoaded(asset_id, lm);
+	}
+}
+
+// static
+void LLFavoritesOrderStorage::destroyClass()
+{
+	LLFavoritesOrderStorage::instance().cleanup();
+	if (gSavedPerAccountSettings.getBOOL("ShowFavoritesOnLogin"))
+	{
+		LLFavoritesOrderStorage::instance().saveFavoritesSLURLs();
+	}
+	else
+	{
+		LLFavoritesOrderStorage::instance().removeFavoritesRecordOfUser();
+	}
+}
+
+void LLFavoritesOrderStorage::load()
+{
+	// load per-resident sorting information
+	std::string filename = gDirUtilp->getExpandedFilename(LL_PATH_PER_SL_ACCOUNT, SORTING_DATA_FILE_NAME);
+
+	LLSD settings_llsd;
+	llifstream file;
+	file.open(filename);
+	if (file.is_open())
+	{
+		LLSDSerialize::fromXML(settings_llsd, file);
+	}
+
+	for (LLSD::map_const_iterator iter = settings_llsd.beginMap();
+		iter != settings_llsd.endMap(); ++iter)
+	{
+		mSortIndexes.insert(std::make_pair(LLUUID(iter->first), (S32)iter->second.asInteger()));
+	}
+}
+
+void LLFavoritesOrderStorage::saveFavoritesSLURLs()
+{
+	// Do not change the file if we are not logged in yet.
+	if (!LLLoginInstance::getInstance()->authSuccess())
+	{
+		llwarns << "Cannot save favorites: not logged in" << llendl;
+		return;
+	}
+
+	std::string user_dir = gDirUtilp->getExpandedFilename(LL_PATH_USER_SETTINGS, "");
+	if (user_dir.empty())
+	{
+		llwarns << "Cannot save favorites: empty user dir name" << llendl;
+		return;
+	}
+
+	std::string filename = gDirUtilp->getExpandedFilename(LL_PATH_USER_SETTINGS, "stored_favorites.xml");
+	llifstream in_file;
+	in_file.open(filename);
+	LLSD fav_llsd;
+	if (in_file.is_open())
+	{
+		LLSDSerialize::fromXML(fav_llsd, in_file);
+	}
+
+	const LLUUID fav_id = gInventory.findCategoryUUIDForType(LLFolderType::FT_FAVORITE);
+	LLInventoryModel::cat_array_t cats;
+	LLInventoryModel::item_array_t items;
+	gInventory.collectDescendents(fav_id, cats, items, LLInventoryModel::EXCLUDE_TRASH);
+
+	LLSD user_llsd;
+	for (LLInventoryModel::item_array_t::iterator it = items.begin(); it != items.end(); it++)
+	{
+		LLSD value;
+		value["name"] = (*it)->getName();
+		value["asset_id"] = (*it)->getAssetUUID();
+
+		slurls_map_t::iterator slurl_iter = mSLURLs.find(value["asset_id"]);
+		if (slurl_iter != mSLURLs.end())
+		{
+			lldebugs << "Saving favorite: idx=" << LLFavoritesOrderStorage::instance().getSortIndex((*it)->getUUID()) << ", SLURL=" <<  slurl_iter->second << ", value=" << value << llendl;
+			value["slurl"] = slurl_iter->second;
+			user_llsd[LLFavoritesOrderStorage::instance().getSortIndex((*it)->getUUID())] = value;
+		}
+		else
+		{
+			llwarns << "Not saving favorite " << value["name"] << ": no matching SLURL" << llendl;
+		}
+	}
+
+	LLAvatarName av_name;
+	LLAvatarNameCache::get( gAgentID, &av_name );
+	lldebugs << "Saved favorites for " << av_name.getAccountName() << llendl;
+	fav_llsd[av_name.getAccountName()] = user_llsd;
+
+	llofstream file;
+	file.open(filename);
+	LLSDSerialize::toPrettyXML(fav_llsd, file);
+}
+
+void LLFavoritesOrderStorage::removeFavoritesRecordOfUser()
+{
+	std::string filename = gDirUtilp->getExpandedFilename(LL_PATH_USER_SETTINGS, "stored_favorites.xml");
+	LLSD fav_llsd;
+	llifstream file;
+	file.open(filename);
+	if (!file.is_open()) return;
+	LLSDSerialize::fromXML(fav_llsd, file);
+
+	LLAvatarName av_name;
+	LLAvatarNameCache::get( gAgentID, &av_name );
+	lldebugs << "Removed favorites for " << av_name.getAccountName() << llendl;
+	if (fav_llsd.has(av_name.getAccountName()))
+	{
+		fav_llsd.erase(av_name.getAccountName());
+	}
+
+	llofstream out_file;
+	out_file.open(filename);
+	LLSDSerialize::toPrettyXML(fav_llsd, out_file);
+
+}
+
+void LLFavoritesOrderStorage::onLandmarkLoaded(const LLUUID& asset_id, LLLandmark* landmark)
+{
+	if (!landmark) return;
+
+	LLVector3d pos_global;
+	if (!landmark->getGlobalPos(pos_global))
+	{
+		// If global position was unknown on first getGlobalPos() call
+		// it should be set for the subsequent calls.
+		landmark->getGlobalPos(pos_global);
+	}
+
+	if (!pos_global.isExactlyZero())
+	{
+		LLLandmarkActions::getSLURLfromPosGlobal(pos_global,
+			boost::bind(&LLFavoritesOrderStorage::storeFavoriteSLURL, this, asset_id, _1));
+	}
+}
+
+void LLFavoritesOrderStorage::storeFavoriteSLURL(const LLUUID& asset_id, std::string& slurl)
+{
+	lldebugs << "Saving landmark SLURL: " << slurl << llendl;
+	mSLURLs[asset_id] = slurl;
+}
+
+void LLFavoritesOrderStorage::save()
+{
+	// nothing to save if clean
+	if (!mIsDirty) return;
+
+	// If we quit from the login screen we will not have an SL account
+	// name.  Don't try to save, otherwise we'll dump a file in
+	// C:\Program Files\SecondLife\ or similar. JC
+	std::string user_dir = gDirUtilp->getLindenUserDir();
+	if (!user_dir.empty())
+	{
+		std::string filename = gDirUtilp->getExpandedFilename(LL_PATH_PER_SL_ACCOUNT, SORTING_DATA_FILE_NAME);
+		LLSD settings_llsd;
+
+		for(sort_index_map_t::const_iterator iter = mSortIndexes.begin(); iter != mSortIndexes.end(); ++iter)
+		{
+			settings_llsd[iter->first.asString()] = iter->second;
+		}
+
+		llofstream file;
+		file.open(filename);
+		LLSDSerialize::toPrettyXML(settings_llsd, file);
+	}
+}
+
+void LLFavoritesOrderStorage::cleanup()
+{
+	// nothing to clean
+	if (!mIsDirty) return;
+
+	const LLUUID fav_id = gInventory.findCategoryUUIDForType(LLFolderType::FT_FAVORITE);
+	LLInventoryModel::cat_array_t cats;
+	LLInventoryModel::item_array_t items;
+	gInventory.collectDescendents(fav_id, cats, items, LLInventoryModel::EXCLUDE_TRASH);
+
+	IsNotInFavorites is_not_in_fav(items);
+
+	sort_index_map_t  aTempMap;
+	//copy unremoved values from mSortIndexes to aTempMap
+	std::remove_copy_if(mSortIndexes.begin(), mSortIndexes.end(), 
+		inserter(aTempMap, aTempMap.begin()),
+		is_not_in_fav);
+
+	//Swap the contents of mSortIndexes and aTempMap
+	mSortIndexes.swap(aTempMap);
+}
+
+void LLFavoritesOrderStorage::saveItemsOrder( const LLInventoryModel::item_array_t& items )
+{
+	int sortField = 0;
+
+	// current order is saved by setting incremental values (1, 2, 3, ...) for the sort field
+	for (LLInventoryModel::item_array_t::const_iterator i = items.begin(); i != items.end(); ++i)
+	{
+		LLViewerInventoryItem* item = *i;
+
+		setSortIndex(item, ++sortField);
+
+		item->setComplete(TRUE);
+		item->updateServer(FALSE);
+
+		gInventory.updateItem(item);
+
+		// Tell the parent folder to refresh its sort order.
+		gInventory.addChangedMask(LLInventoryObserver::SORT, item->getParentUUID());
+	}
+
+	gInventory.notifyObservers();
+}
+
+// See also LLInventorySort where landmarks in the Favorites folder are sorted.
+class LLViewerInventoryItemSort
+{
+public:
+	bool operator()(const LLPointer<LLViewerInventoryItem>& a, const LLPointer<LLViewerInventoryItem>& b)
+	{
+		return LLFavoritesOrderStorage::instance().getSortIndex(a->getUUID()) 
+			< LLFavoritesOrderStorage::instance().getSortIndex(b->getUUID());
+	}
+};
+
+// * @param source_item_id - LLUUID of the source item to be moved into new position
+// * @param target_item_id - LLUUID of the target item before which source item should be placed.
+void LLFavoritesOrderStorage::rearrangeFavoriteLandmarks(const LLUUID& source_item_id, const LLUUID& target_item_id)
+{
+	LLInventoryModel::cat_array_t cats;
+	LLInventoryModel::item_array_t items;
+	LLIsType is_type(LLAssetType::AT_LANDMARK);
+	LLUUID favorites_id = gInventory.findCategoryUUIDForType(LLFolderType::FT_FAVORITE);
+	gInventory.collectDescendentsIf(favorites_id, cats, items, LLInventoryModel::EXCLUDE_TRASH, is_type);
+
+	// ensure items are sorted properly before changing order. EXT-3498
+	std::sort(items.begin(), items.end(), LLViewerInventoryItemSort());
+
+	// update order
+	gInventory.updateItemsOrder(items, source_item_id, target_item_id);
+
+	saveItemsOrder(items);
+}
+
+void AddFavoriteLandmarkCallback::fire(const LLUUID& inv_item_id)
+{
+	if (mTargetLandmarkId.isNull()) return;
+
+	LLFavoritesOrderStorage::instance().rearrangeFavoriteLandmarks(inv_item_id, mTargetLandmarkId);
+}
 // EOF
diff --git a/indra/newview/llfavoritesbar.h b/indra/newview/llfavoritesbar.h
index 447d30f1f4..e000adc4aa 100644
--- a/indra/newview/llfavoritesbar.h
+++ b/indra/newview/llfavoritesbar.h
@@ -33,6 +33,7 @@
 
 #include "llinventoryobserver.h"
 #include "llinventorymodel.h"
+#include "llviewerinventory.h"
 
 class LLMenuItemCallGL;
 class LLToggleableMenu;
@@ -161,5 +162,115 @@ private:
 	boost::signals2::connection mEndDragConnection;
 };
 
+class AddFavoriteLandmarkCallback : public LLInventoryCallback
+{
+public:
+	AddFavoriteLandmarkCallback() : mTargetLandmarkId(LLUUID::null) {}
+	void setTargetLandmarkId(const LLUUID& target_uuid) { mTargetLandmarkId = target_uuid; }
+
+private:
+	void fire(const LLUUID& inv_item);
+
+	LLUUID mTargetLandmarkId;
+};
+
+/**
+ * Class to store sorting order of favorites landmarks in a local file. EXT-3985.
+ * It replaced previously implemented solution to store sort index in landmark's name as a "<N>@" prefix.
+ * Data are stored in user home directory.
+ */
+class LLFavoritesOrderStorage : public LLSingleton<LLFavoritesOrderStorage>
+	, public LLDestroyClass<LLFavoritesOrderStorage>
+{
+	LOG_CLASS(LLFavoritesOrderStorage);
+public:
+	/**
+	 * Sets sort index for specified with LLUUID favorite landmark
+	 */
+	void setSortIndex(const LLViewerInventoryItem* inv_item, S32 sort_index);
+
+	/**
+	 * Gets sort index for specified with LLUUID favorite landmark
+	 */
+	S32 getSortIndex(const LLUUID& inv_item_id);
+	void removeSortIndex(const LLUUID& inv_item_id);
+
+	void getSLURL(const LLUUID& asset_id);
+
+	// Saves current order of the passed items using inventory item sort field.
+	// Resets 'items' sort fields and saves them on server.
+	// Is used to save order for Favorites folder.
+	void saveItemsOrder(const LLInventoryModel::item_array_t& items);
+
+	void rearrangeFavoriteLandmarks(const LLUUID& source_item_id, const LLUUID& target_item_id);
+
+	/**
+	 * Implementation of LLDestroyClass. Calls cleanup() instance method.
+	 *
+	 * It is important this callback is called before gInventory is cleaned.
+	 * For now it is called from LLAppViewer::cleanup() -> LLAppViewer::disconnectViewer(),
+	 * Inventory is cleaned later from LLAppViewer::cleanup() after LLAppViewer::disconnectViewer() is called.
+	 * @see cleanup()
+	 */
+	static void destroyClass();
+
+	const static S32 NO_INDEX;
+private:
+	friend class LLSingleton<LLFavoritesOrderStorage>;
+	LLFavoritesOrderStorage() : mIsDirty(false) { load(); }
+	~LLFavoritesOrderStorage() { save(); }
+
+	/**
+	 * Removes sort indexes for items which are not in Favorites bar for now.
+	 */
+	void cleanup();
+
+	const static std::string SORTING_DATA_FILE_NAME;
+
+	void load();
+	void save();
+
+	void saveFavoritesSLURLs();
+
+	// Remove record of current user's favorites from file on disk.
+	void removeFavoritesRecordOfUser();
+
+	void onLandmarkLoaded(const LLUUID& asset_id, class LLLandmark* landmark);
+	void storeFavoriteSLURL(const LLUUID& asset_id, std::string& slurl);
+
+	typedef std::map<LLUUID, S32> sort_index_map_t;
+	sort_index_map_t mSortIndexes;
+
+	typedef std::map<LLUUID, std::string> slurls_map_t;
+	slurls_map_t mSLURLs;
+
+	bool mIsDirty;
+
+	struct IsNotInFavorites
+	{
+		IsNotInFavorites(const LLInventoryModel::item_array_t& items)
+			: mFavoriteItems(items)
+		{
+
+		}
+
+		/**
+		 * Returns true if specified item is not found among inventory items
+		 */
+		bool operator()(const sort_index_map_t::value_type& id_index_pair) const
+		{
+			LLPointer<LLViewerInventoryItem> item = gInventory.getItem(id_index_pair.first);
+			if (item.isNull()) return true;
+
+			LLInventoryModel::item_array_t::const_iterator found_it =
+				std::find(mFavoriteItems.begin(), mFavoriteItems.end(), item);
+
+			return found_it == mFavoriteItems.end();
+		}
+	private:
+		LLInventoryModel::item_array_t mFavoriteItems;
+	};
+
+};
 
 #endif // LL_LLFAVORITESBARCTRL_H
diff --git a/indra/newview/llfirstuse.cpp b/indra/newview/llfirstuse.cpp
index a9f52282a5..e2850f5181 100644
--- a/indra/newview/llfirstuse.cpp
+++ b/indra/newview/llfirstuse.cpp
@@ -74,7 +74,7 @@ void LLFirstUse::resetFirstUse()
 // static
 void LLFirstUse::otherAvatarChatFirst(bool enable)
 {
-	firstUseNotification("FirstOtherChatBeforeUser", enable, "HintChat", LLSD(), LLSD().with("target", "chat_bar").with("direction", "top_right").with("distance", 24));
+	firstUseNotification("FirstOtherChatBeforeUser", enable, "HintChat", LLSD(), LLSD().with("target", "nearby_chat").with("direction", "top_right").with("distance", 24));
 }
 
 // static
diff --git a/indra/newview/llflexibleobject.cpp b/indra/newview/llflexibleobject.cpp
index 28d195d5e9..2e1c963472 100644
--- a/indra/newview/llflexibleobject.cpp
+++ b/indra/newview/llflexibleobject.cpp
@@ -342,10 +342,10 @@ void LLVolumeImplFlexible::doIdleUpdate()
 	if (drawablep)
 	{
 		//LLFastTimer ftm(FTM_FLEXIBLE_UPDATE);
-		
+
 		//ensure drawable is active
 		drawablep->makeActive();
-			
+
 		if (gPipeline.hasRenderDebugFeatureMask(LLPipeline::RENDER_DEBUG_FEATURE_FLEXIBLE))
 		{
 			bool visible = drawablep->isVisible();
@@ -366,35 +366,35 @@ void LLVolumeImplFlexible::doIdleUpdate()
 				if	(visible)
 				{
 					if (!drawablep->isState(LLDrawable::IN_REBUILD_Q1) &&
-					mVO->getPixelArea() > 256.f)
-					{
-						U32 id;
-				
-						if (mVO->isRootEdit())
-						{
-							id = mID;
-						}
-						else
-						{
-							LLVOVolume* parent = (LLVOVolume*) mVO->getParent();
-							id = parent->getVolumeInterfaceID();
-						}
-
-						if ((LLDrawable::getCurrentFrame()+id)%update_period == 0)
-						{
+				mVO->getPixelArea() > 256.f)
+			{
+				U32 id;
+
+				if (mVO->isRootEdit())
+				{
+					id = mID;
+				}
+				else
+				{
+					LLVOVolume* parent = (LLVOVolume*) mVO->getParent();
+					id = parent->getVolumeInterfaceID();
+				}
+
+				if ((LLDrawable::getCurrentFrame()+id)%update_period == 0)
+				{
 							sUpdateDelay[mInstanceIndex] = (S32) update_period-1;
 
-							updateRenderRes();
+					updateRenderRes();
 
-							gPipeline.markRebuild(drawablep, LLDrawable::REBUILD_POSITION, FALSE);
-						}
-					}
+					gPipeline.markRebuild(drawablep, LLDrawable::REBUILD_POSITION, FALSE);
 				}
+			}
+		}
 				else
 				{
 					sUpdateDelay[mInstanceIndex] = (S32) update_period;
-				}
-			}
+	}
+}
 
 		}
 	}
@@ -419,7 +419,6 @@ void LLVolumeImplFlexible::doFlexibleUpdate()
 	if ((mSimulateRes == 0 || !mInitialized) && mVO->mDrawable->isVisible()) 
 	{
 		BOOL force_update = mSimulateRes == 0 ? TRUE : FALSE;
-
 		doIdleUpdate();
 
 		if (!force_update || !gPipeline.hasRenderDebugFeatureMask(LLPipeline::RENDER_DEBUG_FEATURE_FLEXIBLE))
@@ -434,7 +433,7 @@ void LLVolumeImplFlexible::doFlexibleUpdate()
 		return ;
 	}
 
-	// stinson 11/12/2012: Need to check with davep on the following.
+	// Fix for MAINT-1894
 	// Skipping the flexible update if render res is negative.  If we were to continue with a negative value,
 	// the subsequent S32 num_render_sections = 1<<mRenderRes; code will specify a really large number of
 	// render sections which will then create a length exception in the std::vector::resize() method.
diff --git a/indra/newview/llfloateravatarpicker.cpp b/indra/newview/llfloateravatarpicker.cpp
index 0290e7cdf0..f7dd4a4a6b 100644
--- a/indra/newview/llfloateravatarpicker.cpp
+++ b/indra/newview/llfloateravatarpicker.cpp
@@ -49,6 +49,8 @@
 #include "llscrolllistcell.h"
 #include "lltabcontainer.h"
 #include "lluictrlfactory.h"
+#include "llfocusmgr.h"
+#include "lldraghandle.h"
 #include "message.h"
 
 //#include "llsdserialize.h"
@@ -58,11 +60,14 @@ static std::map<LLUUID, LLAvatarName> sAvatarNameMap;
 
 LLFloaterAvatarPicker* LLFloaterAvatarPicker::show(select_callback_t callback,
 												   BOOL allow_multiple,
-												   BOOL closeOnSelect)
+												   BOOL closeOnSelect,
+												   BOOL skip_agent,
+                                                   const std::string& name,
+                                                   LLView * frustumOrigin)
 {
 	// *TODO: Use a key to allow this not to be an effective singleton
 	LLFloaterAvatarPicker* floater = 
-		LLFloaterReg::showTypedInstance<LLFloaterAvatarPicker>("avatar_picker");
+		LLFloaterReg::showTypedInstance<LLFloaterAvatarPicker>("avatar_picker", LLSD(name));
 	if (!floater)
 	{
 		llwarns << "Cannot instantiate avatar picker" << llendl;
@@ -73,6 +78,7 @@ LLFloaterAvatarPicker* LLFloaterAvatarPicker::show(select_callback_t callback,
 	floater->setAllowMultiple(allow_multiple);
 	floater->mNearMeListComplete = FALSE;
 	floater->mCloseOnSelect = closeOnSelect;
+	floater->mExcludeAgentFromSearchResults = skip_agent;
 	
 	if (!closeOnSelect)
 	{
@@ -83,6 +89,11 @@ LLFloaterAvatarPicker* LLFloaterAvatarPicker::show(select_callback_t callback,
 		floater->getChild<LLButton>("cancel_btn")->setLabel(close_string);
 	}
 
+    if(frustumOrigin)
+    {
+        floater->mFrustumOrigin = frustumOrigin->getHandle();
+    }
+
 	return floater;
 }
 
@@ -91,9 +102,17 @@ LLFloaterAvatarPicker::LLFloaterAvatarPicker(const LLSD& key)
   : LLFloater(key),
 	mNumResultsReturned(0),
 	mNearMeListComplete(FALSE),
-	mCloseOnSelect(FALSE)
+	mCloseOnSelect(FALSE),
+    mContextConeOpacity	(0.f),
+    mContextConeInAlpha(0.f),
+    mContextConeOutAlpha(0.f),
+    mContextConeFadeTime(0.f)
 {
 	mCommitCallbackRegistrar.add("Refresh.FriendList", boost::bind(&LLFloaterAvatarPicker::populateFriend, this));
+
+    mContextConeInAlpha = gSavedSettings.getF32("ContextConeInAlpha");
+    mContextConeOutAlpha = gSavedSettings.getF32("ContextConeOutAlpha");
+    mContextConeFadeTime = gSavedSettings.getF32("ContextConeFadeTime");
 }
 
 BOOL LLFloaterAvatarPicker::postBuild()
@@ -288,9 +307,9 @@ void LLFloaterAvatarPicker::populateNearMe()
 		else
 		{
 			element["columns"][0]["column"] = "name";
-			element["columns"][0]["value"] = av_name.mDisplayName;
+			element["columns"][0]["value"] = av_name.getDisplayName();
 			element["columns"][1]["column"] = "username";
-			element["columns"][1]["value"] = av_name.mUsername;
+			element["columns"][1]["value"] = av_name.getUserName();
 
 			sAvatarNameMap[av] = av_name;
 		}
@@ -338,8 +357,67 @@ void LLFloaterAvatarPicker::populateFriend()
 	friends_scroller->sortByColumnIndex(0, TRUE);
 }
 
+void LLFloaterAvatarPicker::drawFrustum()
+{
+    if(mFrustumOrigin.get())
+    {
+        LLView * frustumOrigin = mFrustumOrigin.get();
+        LLRect origin_rect;
+        frustumOrigin->localRectToOtherView(frustumOrigin->getLocalRect(), &origin_rect, this);
+        // draw context cone connecting color picker with color swatch in parent floater
+        LLRect local_rect = getLocalRect();
+        if (hasFocus() && frustumOrigin->isInVisibleChain() && mContextConeOpacity > 0.001f)
+        {
+            gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+            LLGLEnable(GL_CULL_FACE);
+            gGL.begin(LLRender::QUADS);
+            {
+                gGL.color4f(0.f, 0.f, 0.f, mContextConeInAlpha * mContextConeOpacity);
+                gGL.vertex2i(origin_rect.mLeft, origin_rect.mTop);
+                gGL.vertex2i(origin_rect.mRight, origin_rect.mTop);
+                gGL.color4f(0.f, 0.f, 0.f, mContextConeOutAlpha * mContextConeOpacity);
+                gGL.vertex2i(local_rect.mRight, local_rect.mTop);
+                gGL.vertex2i(local_rect.mLeft, local_rect.mTop);
+
+                gGL.color4f(0.f, 0.f, 0.f, mContextConeOutAlpha * mContextConeOpacity);
+                gGL.vertex2i(local_rect.mLeft, local_rect.mTop);
+                gGL.vertex2i(local_rect.mLeft, local_rect.mBottom);
+                gGL.color4f(0.f, 0.f, 0.f, mContextConeInAlpha * mContextConeOpacity);
+                gGL.vertex2i(origin_rect.mLeft, origin_rect.mBottom);
+                gGL.vertex2i(origin_rect.mLeft, origin_rect.mTop);
+
+                gGL.color4f(0.f, 0.f, 0.f, mContextConeOutAlpha * mContextConeOpacity);
+                gGL.vertex2i(local_rect.mRight, local_rect.mBottom);
+                gGL.vertex2i(local_rect.mRight, local_rect.mTop);
+                gGL.color4f(0.f, 0.f, 0.f, mContextConeInAlpha * mContextConeOpacity);
+                gGL.vertex2i(origin_rect.mRight, origin_rect.mTop);
+                gGL.vertex2i(origin_rect.mRight, origin_rect.mBottom);
+
+                gGL.color4f(0.f, 0.f, 0.f, mContextConeOutAlpha * mContextConeOpacity);
+                gGL.vertex2i(local_rect.mLeft, local_rect.mBottom);
+                gGL.vertex2i(local_rect.mRight, local_rect.mBottom);
+                gGL.color4f(0.f, 0.f, 0.f, mContextConeInAlpha * mContextConeOpacity);
+                gGL.vertex2i(origin_rect.mRight, origin_rect.mBottom);
+                gGL.vertex2i(origin_rect.mLeft, origin_rect.mBottom);
+            }
+            gGL.end();
+        }
+
+        if (gFocusMgr.childHasMouseCapture(getDragHandle()))
+        {
+            mContextConeOpacity = lerp(mContextConeOpacity, gSavedSettings.getF32("PickerContextOpacity"), LLCriticalDamp::getInterpolant(mContextConeFadeTime));
+        }
+        else
+        {
+            mContextConeOpacity = lerp(mContextConeOpacity, 0.f, LLCriticalDamp::getInterpolant(mContextConeFadeTime));
+        }
+    }
+}
+
 void LLFloaterAvatarPicker::draw()
 {
+    drawFrustum();
+
 	// sometimes it is hard to determine when Select/Ok button should be disabled (see LLAvatarActions::shareWithAvatars).
 	// lets check this via mOkButtonValidateSignal callback periodically.
 	static LLFrameTimer timer;
@@ -382,8 +460,9 @@ class LLAvatarPickerResponder : public LLHTTPClient::Responder
 {
 public:
 	LLUUID mQueryID;
+    std::string mName;
 
-	LLAvatarPickerResponder(const LLUUID& id) : mQueryID(id) { }
+	LLAvatarPickerResponder(const LLUUID& id, const std::string& name) : mQueryID(id), mName(name) { }
 
 	/*virtual*/ void completed(U32 status, const std::string& reason, const LLSD& content)
 	{
@@ -396,7 +475,7 @@ public:
 		if (isGoodStatus(status) || status == 400)
 		{
 			LLFloaterAvatarPicker* floater =
-				LLFloaterReg::findTypedInstance<LLFloaterAvatarPicker>("avatar_picker");
+				LLFloaterReg::findTypedInstance<LLFloaterAvatarPicker>("avatar_picker", mName);
 			if (floater)
 			{
 				floater->processResponse(mQueryID, content);
@@ -426,9 +505,7 @@ void LLFloaterAvatarPicker::find()
 	LLViewerRegion* region = gAgent.getRegion();
 	url = region->getCapability("AvatarPickerSearch");
 	// Prefer use of capabilities to search on both SLID and display name
-	// but allow display name search to be manually turned off for test
-	if (!url.empty()
-		&& LLAvatarNameCache::useDisplayNames())
+	if (!url.empty())
 	{
 		// capability urls don't end in '/', but we need one to parse
 		// query parameters correctly
@@ -439,7 +516,7 @@ void LLFloaterAvatarPicker::find()
 		url += "?page_size=100&names=";
 		url += LLURI::escape(text);
 		llinfos << "avatar picker " << url << llendl;
-		LLHTTPClient::get(url, new LLAvatarPickerResponder(mQueryID));
+		LLHTTPClient::get(url, new LLAvatarPickerResponder(mQueryID, getKey().asString()));
 	}
 	else
 	{
@@ -581,35 +658,36 @@ void LLFloaterAvatarPicker::processAvatarPickerReply(LLMessageSystem* msg, void*
 		msg->getUUIDFast(  _PREHASH_Data,_PREHASH_AvatarID,	avatar_id, i);
 		msg->getStringFast(_PREHASH_Data,_PREHASH_FirstName, first_name, i);
 		msg->getStringFast(_PREHASH_Data,_PREHASH_LastName,	last_name, i);
-	
-		std::string avatar_name;
-		if (avatar_id.isNull())
-		{
-			LLStringUtil::format_map_t map;
-			map["[TEXT]"] = floater->getChild<LLUICtrl>("Edit")->getValue().asString();
-			avatar_name = floater->getString("not_found", map);
-			search_results->setEnabled(FALSE);
-			floater->getChildView("ok_btn")->setEnabled(FALSE);
-		}
-		else
+
+		if (avatar_id != agent_id || !floater->isExcludeAgentFromSearchResults()) // exclude agent from search results?
 		{
-			avatar_name = LLCacheName::buildFullName(first_name, last_name);
-			search_results->setEnabled(TRUE);
-			found_one = TRUE;
+			std::string avatar_name;
+			if (avatar_id.isNull())
+			{
+				LLStringUtil::format_map_t map;
+				map["[TEXT]"] = floater->getChild<LLUICtrl>("Edit")->getValue().asString();
+				avatar_name = floater->getString("not_found", map);
+				search_results->setEnabled(FALSE);
+				floater->getChildView("ok_btn")->setEnabled(FALSE);
+			}
+			else
+			{
+				avatar_name = LLCacheName::buildFullName(first_name, last_name);
+				search_results->setEnabled(TRUE);
+				found_one = TRUE;
 
-			LLAvatarName av_name;
-			av_name.mLegacyFirstName = first_name;
-			av_name.mLegacyLastName = last_name;
-			av_name.mDisplayName = avatar_name;
-			const LLUUID& agent_id = avatar_id;
-			sAvatarNameMap[agent_id] = av_name;
+				LLAvatarName av_name;
+				av_name.fromString(avatar_name);
+				const LLUUID& agent_id = avatar_id;
+				sAvatarNameMap[agent_id] = av_name;
 
+			}
+			LLSD element;
+			element["id"] = avatar_id; // value
+			element["columns"][0]["column"] = "name";
+			element["columns"][0]["value"] = avatar_name;
+			search_results->addElement(element);
 		}
-		LLSD element;
-		element["id"] = avatar_id; // value
-		element["columns"][0]["column"] = "name";
-		element["columns"][0]["value"] = avatar_name;
-		search_results->addElement(element);
 	}
 
 	if (found_one)
@@ -624,52 +702,58 @@ void LLFloaterAvatarPicker::processAvatarPickerReply(LLMessageSystem* msg, void*
 void LLFloaterAvatarPicker::processResponse(const LLUUID& query_id, const LLSD& content)
 {
 	// Check for out-of-date query
-	if (query_id != mQueryID) return;
+	if (query_id == mQueryID)
+	{
+		LLScrollListCtrl* search_results = getChild<LLScrollListCtrl>("SearchResults");
 
-	LLScrollListCtrl* search_results = getChild<LLScrollListCtrl>("SearchResults");
+		LLSD agents = content["agents"];
+
+		// clear "Searching" label on first results
+		search_results->deleteAllItems();
 
-	LLSD agents = content["agents"];
-	if (agents.size() == 0)
-	{
-		LLStringUtil::format_map_t map;
-		map["[TEXT]"] = childGetText("Edit");
 		LLSD item;
-		item["id"] = LLUUID::null;
-		item["columns"][0]["column"] = "name";
-		item["columns"][0]["value"] = getString("not_found", map);
-		search_results->addElement(item);
-		search_results->setEnabled(false);
-		getChildView("ok_btn")->setEnabled(false);
-		return;
-	}
+		LLSD::array_const_iterator it = agents.beginArray();
+		for ( ; it != agents.endArray(); ++it)
+		{
+			const LLSD& row = *it;
+			if (row["id"].asUUID() != gAgent.getID() || !mExcludeAgentFromSearchResults)
+			{
+				item["id"] = row["id"];
+				LLSD& columns = item["columns"];
+				columns[0]["column"] = "name";
+				columns[0]["value"] = row["display_name"];
+				columns[1]["column"] = "username";
+				columns[1]["value"] = row["username"];
+				search_results->addElement(item);
+
+				// add the avatar name to our list
+				LLAvatarName avatar_name;
+				avatar_name.fromLLSD(row);
+				sAvatarNameMap[row["id"].asUUID()] = avatar_name;
+			}
+		}
 
-	// clear "Searching" label on first results
-	search_results->deleteAllItems();
-
-	LLSD item;
-	LLSD::array_const_iterator it = agents.beginArray();
-	for ( ; it != agents.endArray(); ++it)
-	{
-		const LLSD& row = *it;
-		item["id"] = row["id"];
-		LLSD& columns = item["columns"];
-		columns[0]["column"] = "name";
-		columns[0]["value"] = row["display_name"];
-		columns[1]["column"] = "username";
-		columns[1]["value"] = row["username"];
-		search_results->addElement(item);
-
-		// add the avatar name to our list
-		LLAvatarName avatar_name;
-		avatar_name.fromLLSD(row);
-		sAvatarNameMap[row["id"].asUUID()] = avatar_name;
-	}
-
-	getChildView("ok_btn")->setEnabled(true);
-	search_results->setEnabled(true);
-	search_results->selectFirstItem();
-	onList();
-	search_results->setFocus(TRUE);
+		if (search_results->isEmpty())
+		{
+			LLStringUtil::format_map_t map;
+			map["[TEXT]"] = childGetText("Edit");
+			LLSD item;
+			item["id"] = LLUUID::null;
+			item["columns"][0]["column"] = "name";
+			item["columns"][0]["value"] = getString("not_found", map);
+			search_results->addElement(item);
+			search_results->setEnabled(false);
+			getChildView("ok_btn")->setEnabled(false);
+		}
+		else
+		{
+			getChildView("ok_btn")->setEnabled(true);
+			search_results->setEnabled(true);
+			search_results->selectFirstItem();
+			onList();
+			search_results->setFocus(TRUE);
+		}
+	}
 }
 
 //static
diff --git a/indra/newview/llfloateravatarpicker.h b/indra/newview/llfloateravatarpicker.h
index 96c039443a..ed3e51c56f 100644
--- a/indra/newview/llfloateravatarpicker.h
+++ b/indra/newview/llfloateravatarpicker.h
@@ -34,7 +34,7 @@
 class LLAvatarName;
 class LLScrollListCtrl;
 
-class LLFloaterAvatarPicker : public LLFloater
+class LLFloaterAvatarPicker :public LLFloater
 {
 public:
 	typedef boost::signals2::signal<bool(const uuid_vec_t&), boost_boolean_combiner> validate_signal_t;
@@ -45,7 +45,10 @@ public:
 	// Call this to select an avatar.	
 	static LLFloaterAvatarPicker* show(select_callback_t callback, 
 									   BOOL allow_multiple = FALSE,
-									   BOOL closeOnSelect = FALSE);
+									   BOOL closeOnSelect = FALSE,
+									   BOOL skip_agent = FALSE,
+                                       const std::string& name = "",
+                                       LLView * frustumOrigin = NULL);
 
 	LLFloaterAvatarPicker(const LLSD& key);
 	virtual ~LLFloaterAvatarPicker();
@@ -63,6 +66,7 @@ public:
 						   std::string& tooltip_msg);
 
 	void openFriendsTab();
+	BOOL isExcludeAgentFromSearchResults() {return mExcludeAgentFromSearchResults;}
 
 private:
 	void editKeystroke(class LLLineEditor* caller, void* user_data);
@@ -84,13 +88,20 @@ private:
 	void setAllowMultiple(BOOL allow_multiple);
 	LLScrollListCtrl* getActiveList();
 
+    void drawFrustum();
 	virtual void draw();
 	virtual BOOL handleKeyHere(KEY key, MASK mask);
 
 	LLUUID				mQueryID;
-	int				mNumResultsReturned;
+	int				    mNumResultsReturned;
 	BOOL				mNearMeListComplete;
 	BOOL				mCloseOnSelect;
+	BOOL                mExcludeAgentFromSearchResults;
+    LLHandle <LLView>   mFrustumOrigin;
+    F32		            mContextConeOpacity;
+    F32                 mContextConeInAlpha;
+    F32                 mContextConeOutAlpha;
+    F32                 mContextConeFadeTime;
 
 	validate_signal_t mOkButtonValidateSignal;
 	select_callback_t mSelectionCallback;
diff --git a/indra/newview/llfloaterchatvoicevolume.cpp b/indra/newview/llfloaterchatvoicevolume.cpp
new file mode 100644
index 0000000000..3c76a3a43c
--- /dev/null
+++ b/indra/newview/llfloaterchatvoicevolume.cpp
@@ -0,0 +1,44 @@
+/** 
+ * @file llfloaterchatvoicevolume.cpp
+ *
+ * $LicenseInfo:firstyear=2012&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2012, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#include "llviewerprecompiledheaders.h"
+
+#include "llfloaterchatvoicevolume.h"
+
+LLFloaterChatVoiceVolume::LLFloaterChatVoiceVolume(const LLSD& key)
+: LLInspect(key)
+{
+}
+
+void LLFloaterChatVoiceVolume::onOpen(const LLSD& key)
+{
+	LLInspect::onOpen(key);
+	LLUI::positionViewNearMouse(this);
+}
+
+LLFloaterChatVoiceVolume::~LLFloaterChatVoiceVolume()
+{
+	LLTransientFloaterMgr::getInstance()->removeControlView(this);
+};
diff --git a/indra/newview/llfloaterchatvoicevolume.h b/indra/newview/llfloaterchatvoicevolume.h
new file mode 100644
index 0000000000..61ad92b6da
--- /dev/null
+++ b/indra/newview/llfloaterchatvoicevolume.h
@@ -0,0 +1,44 @@
+/** 
+ * @file llfloaterchatvoicevolume.h
+ *
+ * $LicenseInfo:firstyear=2012&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2012, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifndef LLFLOATERCHATVOICEVOLUME_H_
+#define LLFLOATERCHATVOICEVOLUME_H_
+
+#include "llinspect.h"
+#include "lltransientfloatermgr.h"
+
+class LLFloaterChatVoiceVolume : public LLInspect, LLTransientFloater
+{
+public:
+
+	LLFloaterChatVoiceVolume(const LLSD& key);
+	virtual ~LLFloaterChatVoiceVolume();
+
+	virtual void onOpen(const LLSD& key);
+
+	/*virtual*/ LLTransientFloaterMgr::ETransientGroup getGroup() { return LLTransientFloaterMgr::GLOBAL; }
+};
+
+#endif /* LLFLOATERCHATVOICEVOLUME_H_ */
diff --git a/indra/newview/llfloatercolorpicker.cpp b/indra/newview/llfloatercolorpicker.cpp
index 05d73c2416..3c230bc58c 100644
--- a/indra/newview/llfloatercolorpicker.cpp
+++ b/indra/newview/llfloatercolorpicker.cpp
@@ -62,10 +62,6 @@
 #include <sstream>
 #include <iomanip>
 
-const F32 CONTEXT_CONE_IN_ALPHA = 0.0f;
-const F32 CONTEXT_CONE_OUT_ALPHA = 1.f;
-const F32 CONTEXT_FADE_TIME = 0.08f;
-
 //////////////////////////////////////////////////////////////////////////////
 //
 // Class LLFloaterColorPicker
@@ -105,7 +101,10 @@ LLFloaterColorPicker::LLFloaterColorPicker (LLColorSwatchCtrl* swatch, BOOL show
 	  mSwatch				( swatch ),
 	  mActive				( TRUE ),
 	  mCanApplyImmediately	( show_apply_immediate ),
-	  mContextConeOpacity	( 0.f )
+	  mContextConeOpacity	( 0.f ),
+      mContextConeInAlpha   ( 0.f ),
+      mContextConeOutAlpha   ( 0.f ),
+      mContextConeFadeTime   ( 0.f )
 {
 	buildFromFile ( "floater_color_picker.xml");
 
@@ -117,6 +116,10 @@ LLFloaterColorPicker::LLFloaterColorPicker (LLColorSwatchCtrl* swatch, BOOL show
 		mApplyImmediateCheck->setEnabled(FALSE);
 		mApplyImmediateCheck->set(FALSE);
 	}
+
+    mContextConeInAlpha = gSavedSettings.getF32("ContextConeInAlpha");
+    mContextConeOutAlpha = gSavedSettings.getF32("ContextConeOutAlpha");
+    mContextConeFadeTime = gSavedSettings.getF32("ContextConeFadeTime");
 }
 
 LLFloaterColorPicker::~LLFloaterColorPicker()
@@ -486,37 +489,37 @@ void LLFloaterColorPicker::draw()
 	mSwatch->localRectToOtherView(mSwatch->getLocalRect(), &swatch_rect, this);
 	// draw context cone connecting color picker with color swatch in parent floater
 	LLRect local_rect = getLocalRect();
-	if (gFocusMgr.childHasKeyboardFocus(this) && mSwatch->isInVisibleChain() && mContextConeOpacity > 0.001f)
+	if (hasFocus() && mSwatch->isInVisibleChain() && mContextConeOpacity > 0.001f)
 	{
 		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
 		LLGLEnable(GL_CULL_FACE);
 		gGL.begin(LLRender::QUADS);
 		{
-			gGL.color4f(0.f, 0.f, 0.f, CONTEXT_CONE_IN_ALPHA * mContextConeOpacity);
+			gGL.color4f(0.f, 0.f, 0.f, mContextConeInAlpha * mContextConeOpacity);
 			gGL.vertex2i(swatch_rect.mLeft, swatch_rect.mTop);
 			gGL.vertex2i(swatch_rect.mRight, swatch_rect.mTop);
-			gGL.color4f(0.f, 0.f, 0.f, CONTEXT_CONE_OUT_ALPHA * mContextConeOpacity);
+			gGL.color4f(0.f, 0.f, 0.f, mContextConeOutAlpha * mContextConeOpacity);
 			gGL.vertex2i(local_rect.mRight, local_rect.mTop);
 			gGL.vertex2i(local_rect.mLeft, local_rect.mTop);
 
-			gGL.color4f(0.f, 0.f, 0.f, CONTEXT_CONE_OUT_ALPHA * mContextConeOpacity);
+			gGL.color4f(0.f, 0.f, 0.f, mContextConeOutAlpha * mContextConeOpacity);
 			gGL.vertex2i(local_rect.mLeft, local_rect.mTop);
 			gGL.vertex2i(local_rect.mLeft, local_rect.mBottom);
-			gGL.color4f(0.f, 0.f, 0.f, CONTEXT_CONE_IN_ALPHA * mContextConeOpacity);
+			gGL.color4f(0.f, 0.f, 0.f, mContextConeInAlpha * mContextConeOpacity);
 			gGL.vertex2i(swatch_rect.mLeft, swatch_rect.mBottom);
 			gGL.vertex2i(swatch_rect.mLeft, swatch_rect.mTop);
 
-			gGL.color4f(0.f, 0.f, 0.f, CONTEXT_CONE_OUT_ALPHA * mContextConeOpacity);
+			gGL.color4f(0.f, 0.f, 0.f, mContextConeOutAlpha * mContextConeOpacity);
 			gGL.vertex2i(local_rect.mRight, local_rect.mBottom);
 			gGL.vertex2i(local_rect.mRight, local_rect.mTop);
-			gGL.color4f(0.f, 0.f, 0.f, CONTEXT_CONE_IN_ALPHA * mContextConeOpacity);
+			gGL.color4f(0.f, 0.f, 0.f, mContextConeInAlpha * mContextConeOpacity);
 			gGL.vertex2i(swatch_rect.mRight, swatch_rect.mTop);
 			gGL.vertex2i(swatch_rect.mRight, swatch_rect.mBottom);
 
-			gGL.color4f(0.f, 0.f, 0.f, CONTEXT_CONE_OUT_ALPHA * mContextConeOpacity);
+			gGL.color4f(0.f, 0.f, 0.f, mContextConeOutAlpha * mContextConeOpacity);
 			gGL.vertex2i(local_rect.mLeft, local_rect.mBottom);
 			gGL.vertex2i(local_rect.mRight, local_rect.mBottom);
-			gGL.color4f(0.f, 0.f, 0.f, CONTEXT_CONE_IN_ALPHA * mContextConeOpacity);
+			gGL.color4f(0.f, 0.f, 0.f, mContextConeInAlpha * mContextConeOpacity);
 			gGL.vertex2i(swatch_rect.mRight, swatch_rect.mBottom);
 			gGL.vertex2i(swatch_rect.mLeft, swatch_rect.mBottom);
 		}
@@ -525,11 +528,12 @@ void LLFloaterColorPicker::draw()
 
 	if (gFocusMgr.childHasMouseCapture(getDragHandle()))
 	{
-		mContextConeOpacity = lerp(mContextConeOpacity, gSavedSettings.getF32("PickerContextOpacity"), LLCriticalDamp::getInterpolant(CONTEXT_FADE_TIME));
+		mContextConeOpacity = lerp(mContextConeOpacity, gSavedSettings.getF32("PickerContextOpacity"), 
+                                        LLCriticalDamp::getInterpolant(mContextConeFadeTime));
 	}
 	else
 	{
-		mContextConeOpacity = lerp(mContextConeOpacity, 0.f, LLCriticalDamp::getInterpolant(CONTEXT_FADE_TIME));
+		mContextConeOpacity = lerp(mContextConeOpacity, 0.f, LLCriticalDamp::getInterpolant(mContextConeFadeTime));
 	}
 
 	mPipetteBtn->setToggleState(LLToolMgr::getInstance()->getCurrentTool() == LLToolPipette::getInstance());
diff --git a/indra/newview/llfloatercolorpicker.h b/indra/newview/llfloatercolorpicker.h
index 8e387c4f7c..bab0617712 100644
--- a/indra/newview/llfloatercolorpicker.h
+++ b/indra/newview/llfloatercolorpicker.h
@@ -189,6 +189,10 @@ class LLFloaterColorPicker
 		LLButton* mPipetteBtn;
 
 		F32		  mContextConeOpacity;
+        F32       mContextConeInAlpha;
+        F32       mContextConeOutAlpha;
+        F32       mContextConeFadeTime;
+
 };
 
 #endif // LL_LLFLOATERCOLORPICKER_H
diff --git a/indra/newview/llfloaterconversationlog.cpp b/indra/newview/llfloaterconversationlog.cpp
new file mode 100644
index 0000000000..a40a000bab
--- /dev/null
+++ b/indra/newview/llfloaterconversationlog.cpp
@@ -0,0 +1,146 @@
+/**
+ * @file llfloaterconversationlog.cpp
+ * @brief Functionality of the "conversation log" floater
+ *
+ * $LicenseInfo:firstyear=2012&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2012, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+#include "llviewerprecompiledheaders.h"
+
+#include "llconversationloglist.h"
+#include "llfiltereditor.h"
+#include "llfloaterconversationlog.h"
+#include "llfloaterreg.h"
+#include "llmenubutton.h"
+
+LLFloaterConversationLog::LLFloaterConversationLog(const LLSD& key)
+:	LLFloater(key),
+	mConversationLogList(NULL)
+{
+	mCommitCallbackRegistrar.add("CallLog.Action",	boost::bind(&LLFloaterConversationLog::onCustomAction,  this, _2));
+	mEnableCallbackRegistrar.add("CallLog.Check",	boost::bind(&LLFloaterConversationLog::isActionChecked, this, _2));
+}
+
+BOOL LLFloaterConversationLog::postBuild()
+{
+	mConversationLogList = getChild<LLConversationLogList>("conversation_log_list");
+
+	switch (gSavedSettings.getU32("CallLogSortOrder"))
+	{
+	case LLConversationLogList::E_SORT_BY_NAME:
+		mConversationLogList->sortByName();
+		break;
+
+	case LLConversationLogList::E_SORT_BY_DATE:
+		mConversationLogList->sortByDate();
+		break;
+	}
+
+	// Use the context menu of the Conversation list for the Conversation tab gear menu.
+	LLToggleableMenu* conversations_gear_menu = mConversationLogList->getContextMenu();
+	if (conversations_gear_menu)
+	{
+		getChild<LLMenuButton>("conversations_gear_btn")->setMenu(conversations_gear_menu, LLMenuButton::MP_BOTTOM_LEFT);
+	}
+
+	getChild<LLFilterEditor>("people_filter_input")->setCommitCallback(boost::bind(&LLFloaterConversationLog::onFilterEdit, this, _2));
+
+	LLControlVariable* ctrl = gSavedPerAccountSettings.getControl("LogInstantMessages").get();
+	if (ctrl)
+	{
+		ctrl->getSignal()->connect(boost::bind(&LLFloaterConversationLog::onCallLoggingEnabledDisabled, this, _2));
+		onCallLoggingEnabledDisabled(ctrl->getValue().asBoolean()
+				&& gSavedSettings.getBOOL("KeepConversationLogTranscripts"));
+	}
+
+	return LLFloater::postBuild();
+}
+
+void LLFloaterConversationLog::draw()
+{
+	LLFloater::draw();
+}
+
+void LLFloaterConversationLog::onFilterEdit(const std::string& search_string)
+{
+	std::string filter = search_string;
+	LLStringUtil::trimHead(filter);
+
+	mConversationLogList->setNameFilter(filter);
+}
+
+
+void LLFloaterConversationLog::onCustomAction (const LLSD& userdata)
+{
+	const std::string command_name = userdata.asString();
+
+	if ("sort_by_name" == command_name)
+	{
+		mConversationLogList->sortByName();
+		gSavedSettings.setU32("CallLogSortOrder", LLConversationLogList::E_SORT_BY_NAME);
+	}
+	else if ("sort_by_date" == command_name)
+	{
+		mConversationLogList->sortByDate();
+		gSavedSettings.setU32("CallLogSortOrder", LLConversationLogList::E_SORT_BY_DATE);
+	}
+	else if ("sort_friends_on_top" == command_name)
+	{
+		mConversationLogList->toggleSortFriendsOnTop();
+	}
+	else if ("view_nearby_chat_history" == command_name)
+	{
+		LLFloaterReg::showInstance("preview_conversation", LLSD(LLUUID::null), true);
+	}
+}
+
+bool LLFloaterConversationLog::isActionEnabled(const LLSD& userdata)
+{
+	return true;
+}
+
+bool LLFloaterConversationLog::isActionChecked(const LLSD& userdata)
+{
+	const std::string command_name = userdata.asString();
+
+	U32 sort_order = gSavedSettings.getU32("CallLogSortOrder");
+
+	if ("sort_by_name" == command_name)
+	{
+		return sort_order == LLConversationLogList::E_SORT_BY_NAME;
+	}
+	else if ("sort_by_date" == command_name)
+	{
+		return sort_order == LLConversationLogList::E_SORT_BY_DATE;
+	}
+	else if ("sort_friends_on_top" == command_name)
+	{
+		return gSavedSettings.getBOOL("SortFriendsFirst");
+	}
+
+	return false;
+}
+
+void LLFloaterConversationLog::onCallLoggingEnabledDisabled(bool enabled)
+{
+	std::string no_items_msg = enabled ? "" : getString("logging_calls_disabled");
+	mConversationLogList->setNoItemsCommentText(no_items_msg);
+}
diff --git a/indra/newview/llfloaterconversationlog.h b/indra/newview/llfloaterconversationlog.h
new file mode 100644
index 0000000000..9e79cbd7d8
--- /dev/null
+++ b/indra/newview/llfloaterconversationlog.h
@@ -0,0 +1,58 @@
+/**
+ * @file llfloaterconversationlog.h
+ *
+ * $LicenseInfo:firstyear=2012&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2012, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLFLOATERCONVERSATIONLOG_H_
+#define LL_LLFLOATERCONVERSATIONLOG_H_
+
+#include "llfloater.h"
+
+class LLConversationLogList;
+
+class LLFloaterConversationLog : public LLFloater
+{
+public:
+
+	LLFloaterConversationLog(const LLSD& key);
+	virtual ~LLFloaterConversationLog(){};
+
+	virtual BOOL postBuild();
+
+	virtual void draw();
+
+	void onFilterEdit(const std::string& search_string);
+
+private:
+
+	void onCustomAction (const LLSD& userdata);
+	bool isActionEnabled(const LLSD& userdata);
+	bool isActionChecked(const LLSD& userdata);
+
+	void onCallLoggingEnabledDisabled(bool enabled);
+
+	LLConversationLogList* mConversationLogList;
+};
+
+
+#endif /* LLFLOATERCONVERSATIONLOG_H_ */
diff --git a/indra/newview/llfloaterconversationpreview.cpp b/indra/newview/llfloaterconversationpreview.cpp
new file mode 100644
index 0000000000..c93181c0a1
--- /dev/null
+++ b/indra/newview/llfloaterconversationpreview.cpp
@@ -0,0 +1,169 @@
+/**
+ * @file llfloaterconversationpreview.cpp
+ *
+ * $LicenseInfo:firstyear=2012&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2012, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#include "llviewerprecompiledheaders.h"
+
+#include "llconversationlog.h"
+#include "llfloaterconversationpreview.h"
+#include "llimview.h"
+#include "lllineeditor.h"
+#include "llfloaterimnearbychat.h"
+#include "llspinctrl.h"
+#include "lltrans.h"
+
+LLFloaterConversationPreview::LLFloaterConversationPreview(const LLSD& session_id)
+:	LLFloater(session_id),
+	mChatHistory(NULL),
+	mSessionID(session_id.asUUID()),
+	mCurrentPage(0),
+	mPageSize(gSavedSettings.getS32("ConversationHistoryPageSize"))
+{}
+
+BOOL LLFloaterConversationPreview::postBuild()
+{
+	mChatHistory = getChild<LLChatHistory>("chat_history");
+
+	const LLConversation* conv = LLConversationLog::instance().getConversation(mSessionID);
+	std::string name;
+	std::string file;
+
+	if (mSessionID != LLUUID::null && conv)
+	{
+		name = conv->getConversationName();
+		file = conv->getHistoryFileName();
+	}
+	else
+	{
+		name = LLTrans::getString("NearbyChatTitle");
+		file = "chat";
+	}
+
+	LLStringUtil::format_map_t args;
+	args["[NAME]"] = name;
+	std::string title = getString("Title", args);
+	setTitle(title);
+
+	LLSD load_params;
+	load_params["load_all_history"] = true;
+	load_params["cut_off_todays_date"] = false;
+
+	LLLogChat::loadChatHistory(file, mMessages, load_params);
+	mCurrentPage = mMessages.size() / mPageSize;
+
+	mPageSpinner = getChild<LLSpinCtrl>("history_page_spin");
+	mPageSpinner->setCommitCallback(boost::bind(&LLFloaterConversationPreview::onMoreHistoryBtnClick, this));
+	mPageSpinner->setMinValue(1);
+	mPageSpinner->setMaxValue(mCurrentPage + 1);
+	mPageSpinner->set(mCurrentPage + 1);
+
+	std::string total_page_num = llformat("/ %d", mCurrentPage + 1);
+	getChild<LLTextBox>("page_num_label")->setValue(total_page_num);
+
+	return LLFloater::postBuild();
+}
+
+void LLFloaterConversationPreview::draw()
+{
+	LLFloater::draw();
+}
+
+void LLFloaterConversationPreview::onOpen(const LLSD& key)
+{
+	showHistory();
+}
+
+void LLFloaterConversationPreview::showHistory()
+{
+	if (!mMessages.size())
+	{
+		return;
+	}
+
+	mChatHistory->clear();
+
+	std::ostringstream message;
+	std::list<LLSD>::const_iterator iter = mMessages.begin();
+
+	int delta = 0;
+	if (mCurrentPage)
+	{
+		int remainder = mMessages.size() % mPageSize;
+		delta = (remainder == 0) ? 0 : (mPageSize - remainder);
+	}
+
+	std::advance(iter, (mCurrentPage * mPageSize) - delta);
+
+	for (int msg_num = 0; (iter != mMessages.end() && msg_num < mPageSize); ++iter, ++msg_num)
+	{
+		LLSD msg = *iter;
+
+		LLUUID from_id 		= LLUUID::null;
+		std::string time	= msg["time"].asString();
+		std::string from	= msg["from"].asString();
+		std::string message	= msg["message"].asString();
+
+		if (msg["from_id"].isDefined())
+		{
+			from_id = msg["from_id"].asUUID();
+		}
+		else
+ 		{
+			std::string legacy_name = gCacheName->buildLegacyName(from);
+ 			gCacheName->getUUID(legacy_name, from_id);
+ 		}
+
+		LLChat chat;
+		chat.mFromID = from_id;
+		chat.mSessionID = mSessionID;
+		chat.mFromName = from;
+		chat.mTimeStr = time;
+		chat.mChatStyle = CHAT_STYLE_HISTORY;
+		chat.mText = message;
+
+		if (from_id.isNull() && SYSTEM_FROM == from)
+		{
+			chat.mSourceType = CHAT_SOURCE_SYSTEM;
+
+		}
+		else if (from_id.isNull())
+		{
+			chat.mSourceType = LLFloaterIMNearbyChat::isWordsName(from) ? CHAT_SOURCE_UNKNOWN : CHAT_SOURCE_OBJECT;
+		}
+
+		mChatHistory->appendMessage(chat);
+	}
+
+}
+
+void LLFloaterConversationPreview::onMoreHistoryBtnClick()
+{
+	mCurrentPage = (int)(mPageSpinner->getValueF32());
+	if (--mCurrentPage < 0)
+	{
+		return;
+	}
+
+	showHistory();
+}
diff --git a/indra/newview/llfloaterconversationpreview.h b/indra/newview/llfloaterconversationpreview.h
new file mode 100644
index 0000000000..0341e5d2a0
--- /dev/null
+++ b/indra/newview/llfloaterconversationpreview.h
@@ -0,0 +1,59 @@
+/**
+ * @file llfloaterconversationpreview.h
+ *
+ * $LicenseInfo:firstyear=2012&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2012, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifndef LLFLOATERCONVERSATIONPREVIEW_H_
+#define LLFLOATERCONVERSATIONPREVIEW_H_
+
+#include "llchathistory.h"
+#include "llfloater.h"
+
+class LLSpinCtrl;
+
+class LLFloaterConversationPreview : public LLFloater
+{
+public:
+
+	LLFloaterConversationPreview(const LLSD& session_id);
+	virtual ~LLFloaterConversationPreview(){};
+
+	virtual BOOL postBuild();
+
+	virtual void draw();
+	virtual void onOpen(const LLSD& key);
+
+private:
+	void onMoreHistoryBtnClick();
+	void showHistory();
+
+	LLSpinCtrl*		mPageSpinner;
+	LLChatHistory*	mChatHistory;
+	LLUUID			mSessionID;
+	int				mCurrentPage;
+	int				mPageSize;
+
+	std::list<LLSD> mMessages;
+};
+
+#endif /* LLFLOATERCONVERSATIONPREVIEW_H_ */
diff --git a/indra/newview/llfloaterdisplayname.cpp b/indra/newview/llfloaterdisplayname.cpp
index ac8f107928..e2cef5630b 100644
--- a/indra/newview/llfloaterdisplayname.cpp
+++ b/indra/newview/llfloaterdisplayname.cpp
@@ -44,7 +44,7 @@ class LLFloaterDisplayName : public LLFloater
 {
 public:
 	LLFloaterDisplayName(const LLSD& key);
-	virtual ~LLFloaterDisplayName() {};
+	virtual ~LLFloaterDisplayName() { }
 	/*virtual*/	BOOL	postBuild();
 	void onSave();
 	void onReset();
@@ -58,8 +58,8 @@ private:
 										  const LLSD& content);
 };
 
-LLFloaterDisplayName::LLFloaterDisplayName(const LLSD& key)
-	: LLFloater(key)
+LLFloaterDisplayName::LLFloaterDisplayName(const LLSD& key) :
+	LLFloater(key)
 {
 }
 
@@ -122,10 +122,6 @@ void LLFloaterDisplayName::onCacheSetName(bool success,
 		LLSD args;
 		args["DISPLAY_NAME"] = content["display_name"];
 		LLNotificationsUtil::add("SetDisplayNameSuccess", args);
-
-		// Re-fetch my name, as it may have been sanitized by the service
-		//LLAvatarNameCache::get(getAvatarId(),
-		//	boost::bind(&LLPanelMyProfileEdit::onNameCache, this, _1, _2));
 		return;
 	}
 
@@ -164,10 +160,9 @@ void LLFloaterDisplayName::onCancel()
 
 void LLFloaterDisplayName::onReset()
 {
-	if (LLAvatarNameCache::useDisplayNames())
+	if (LLAvatarNameCache::hasNameLookupURL())
 	{
-		LLViewerDisplayName::set("",
-			boost::bind(&LLFloaterDisplayName::onCacheSetName, this, _1, _2, _3));
+		LLViewerDisplayName::set("",boost::bind(&LLFloaterDisplayName::onCacheSetName, this, _1, _2, _3));
 	}	
 	else
 	{
@@ -199,10 +194,9 @@ void LLFloaterDisplayName::onSave()
 		return;
 	}
 	
-	if (LLAvatarNameCache::useDisplayNames())
+	if (LLAvatarNameCache::hasNameLookupURL())
 	{
-		LLViewerDisplayName::set(display_name_utf8,
-			boost::bind(&LLFloaterDisplayName::onCacheSetName, this, _1, _2, _3));	
+		LLViewerDisplayName::set(display_name_utf8,boost::bind(&LLFloaterDisplayName::onCacheSetName, this, _1, _2, _3));	
 	}
 	else
 	{
diff --git a/indra/newview/llfloatergodtools.cpp b/indra/newview/llfloatergodtools.cpp
index fb905eae11..38abdcc830 100644
--- a/indra/newview/llfloatergodtools.cpp
+++ b/indra/newview/llfloatergodtools.cpp
@@ -1123,11 +1123,13 @@ bool LLPanelObjectTools::callbackSimWideDeletes( const LLSD& notification, const
 
 void LLPanelObjectTools::onClickSet()
 {
-	LLFloaterAvatarPicker* picker = LLFloaterAvatarPicker::show(boost::bind(&LLPanelObjectTools::callbackAvatarID, this, _1,_2));
+    LLView * button = findChild<LLButton>("Set Target");
+    LLFloater * root_floater = gFloaterView->getParentFloater(this);
+	LLFloaterAvatarPicker* picker = LLFloaterAvatarPicker::show(boost::bind(&LLPanelObjectTools::callbackAvatarID, this, _1,_2), FALSE, FALSE, FALSE, root_floater->getName(), button);
 	// grandparent is a floater, which can have a dependent
 	if (picker)
 	{
-		gFloaterView->getParentFloater(this)->addDependentFloater(picker);
+		root_floater->addDependentFloater(picker);
 	}
 }
 
diff --git a/indra/newview/llfloaterimcontainer.cpp b/indra/newview/llfloaterimcontainer.cpp
new file mode 100644
index 0000000000..a17b89af0d
--- /dev/null
+++ b/indra/newview/llfloaterimcontainer.cpp
@@ -0,0 +1,1779 @@
+/** 
+ * @file llfloaterimcontainer.cpp
+ * @brief Multifloater containing active IM sessions in separate tab container tabs
+ *
+ * $LicenseInfo:firstyear=2009&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+
+#include "llviewerprecompiledheaders.h"
+
+#include "llfloaterimsession.h"
+#include "llfloaterimcontainer.h"
+
+#include "llfloaterreg.h"
+#include "lllayoutstack.h"
+#include "llfloaterimnearbychat.h"
+
+#include "llagent.h"
+#include "llavataractions.h"
+#include "llavatariconctrl.h"
+#include "llavatarnamecache.h"
+#include "llcallbacklist.h"
+#include "llgroupactions.h"
+#include "llgroupiconctrl.h"
+#include "llflashtimer.h"
+#include "llfloateravatarpicker.h"
+#include "llfloaterpreference.h"
+#include "llimview.h"
+#include "llnotificationsutil.h"
+#include "lltransientfloatermgr.h"
+#include "llviewercontrol.h"
+#include "llconversationview.h"
+#include "llcallbacklist.h"
+#include "llworld.h"
+#include "llsdserialize.h"
+
+//
+// LLFloaterIMContainer
+//
+LLFloaterIMContainer::LLFloaterIMContainer(const LLSD& seed, const Params& params /*= getDefaultParams()*/)
+:	LLMultiFloater(seed, params),
+	mExpandCollapseBtn(NULL),
+	mConversationsRoot(NULL),
+	mConversationsEventStream("ConversationsEvents"),
+	mInitialized(false)
+{
+    mEnableCallbackRegistrar.add("IMFloaterContainer.Check", boost::bind(&LLFloaterIMContainer::isActionChecked, this, _2));
+	mCommitCallbackRegistrar.add("IMFloaterContainer.Action", boost::bind(&LLFloaterIMContainer::onCustomAction,  this, _2));
+	
+    mEnableCallbackRegistrar.add("Avatar.CheckItem",  boost::bind(&LLFloaterIMContainer::checkContextMenuItem,	this, _2));
+    mEnableCallbackRegistrar.add("Avatar.EnableItem", boost::bind(&LLFloaterIMContainer::enableContextMenuItem,	this, _2));
+    mCommitCallbackRegistrar.add("Avatar.DoToSelected", boost::bind(&LLFloaterIMContainer::doToSelected, this, _2));
+    
+    mCommitCallbackRegistrar.add("Group.DoToSelected", boost::bind(&LLFloaterIMContainer::doToSelectedGroup, this, _2));
+
+	// Firstly add our self to IMSession observers, so we catch session events
+    LLIMMgr::getInstance()->addSessionObserver(this);
+
+	mAutoResize = FALSE;
+	LLTransientFloaterMgr::getInstance()->addControlView(LLTransientFloaterMgr::IM, this);
+}
+
+LLFloaterIMContainer::~LLFloaterIMContainer()
+{
+	mConversationsEventStream.stopListening("ConversationsRefresh");
+
+	gIdleCallbacks.deleteFunction(idle, this);
+
+	mNewMessageConnection.disconnect();
+	LLTransientFloaterMgr::getInstance()->removeControlView(LLTransientFloaterMgr::IM, this);
+
+	if (mMicroChangedSignal.connected())
+	{
+		mMicroChangedSignal.disconnect();
+	}
+
+	gSavedPerAccountSettings.setBOOL("ConversationsListPaneCollapsed", mConversationsPane->isCollapsed());
+	gSavedPerAccountSettings.setBOOL("ConversationsMessagePaneCollapsed", mMessagesPane->isCollapsed());
+
+	if (!LLSingleton<LLIMMgr>::destroyed())
+	{
+		LLIMMgr::getInstance()->removeSessionObserver(this);
+	}
+}
+
+void LLFloaterIMContainer::sessionAdded(const LLUUID& session_id, const std::string& name, const LLUUID& other_participant_id, BOOL has_offline_msg)
+{
+	addConversationListItem(session_id);
+	LLFloaterIMSessionTab::addToHost(session_id);
+}
+
+void LLFloaterIMContainer::sessionActivated(const LLUUID& session_id, const std::string& name, const LLUUID& other_participant_id)
+{
+	selectConversationPair(session_id, true);
+}
+
+void LLFloaterIMContainer::sessionVoiceOrIMStarted(const LLUUID& session_id)
+{
+	addConversationListItem(session_id);
+	LLFloaterIMSessionTab::addToHost(session_id);
+}
+
+void LLFloaterIMContainer::sessionIDUpdated(const LLUUID& old_session_id, const LLUUID& new_session_id)
+{
+	// The general strategy when a session id is modified is to delete all related objects and create them anew.
+	
+	// Note however that the LLFloaterIMSession has its session id updated through a call to sessionInitReplyReceived() 
+	// and do not need to be deleted and recreated (trying this creates loads of problems). We do need however to suppress 
+	// its related mSessions record as it's indexed with the wrong id.
+	// Grabbing the updated LLFloaterIMSession and readding it in mSessions will eventually be done by addConversationListItem().
+	mSessions.erase(old_session_id);
+
+	// Delete the model and participants related to the old session
+	bool change_focus = removeConversationListItem(old_session_id);
+
+	// Create a new conversation with the new id
+	addConversationListItem(new_session_id, change_focus);
+	LLFloaterIMSessionTab::addToHost(new_session_id);
+}
+
+void LLFloaterIMContainer::sessionRemoved(const LLUUID& session_id)
+{
+	removeConversationListItem(session_id);
+}
+
+// static
+void LLFloaterIMContainer::onCurrentChannelChanged(const LLUUID& session_id)
+{
+    if (session_id != LLUUID::null)
+    {
+    	LLFloaterIMContainer::getInstance()->showConversation(session_id);
+    }
+}
+
+BOOL LLFloaterIMContainer::postBuild()
+{
+	mOrigMinWidth = getMinWidth();
+	mOrigMinHeight = getMinHeight();
+
+	mNewMessageConnection = LLIMModel::instance().mNewMsgSignal.connect(boost::bind(&LLFloaterIMContainer::onNewMessageReceived, this, _1));
+	// Do not call base postBuild to not connect to mCloseSignal to not close all floaters via Close button
+	// mTabContainer will be initialized in LLMultiFloater::addChild()
+	
+	setTabContainer(getChild<LLTabContainer>("im_box_tab_container"));
+	mStubPanel = getChild<LLPanel>("stub_panel");
+    mStubTextBox = getChild<LLTextBox>("stub_textbox");
+    mStubTextBox->setURLClickedCallback(boost::bind(&LLFloaterIMContainer::returnFloaterToHost, this));
+
+	mConversationsStack = getChild<LLLayoutStack>("conversations_stack");
+	mConversationsPane = getChild<LLLayoutPanel>("conversations_layout_panel");
+	mMessagesPane = getChild<LLLayoutPanel>("messages_layout_panel");
+	
+	mConversationsListPanel = getChild<LLPanel>("conversations_list_panel");
+
+	// Open IM session with selected participant on double click event
+	mConversationsListPanel->setDoubleClickCallback(boost::bind(&LLFloaterIMContainer::doToSelected, this, LLSD("im")));
+
+	// The resize limits for LLFloaterIMContainer should be updated, based on current values of width of conversation and message panels
+	mConversationsPane->getResizeBar()->setResizeListener(boost::bind(&LLFloaterIMContainer::assignResizeLimits, this));
+
+	// Create the root model and view for all conversation sessions
+	LLConversationItem* base_item = new LLConversationItem(getRootViewModel());
+
+    LLFolderView::Params p(LLUICtrlFactory::getDefaultParams<LLFolderView>());
+    p.name = getName();
+    p.title = getLabel();
+    p.rect = LLRect(0, 0, getRect().getWidth(), 0);
+    p.parent_panel = mConversationsListPanel;
+    p.tool_tip = p.name;
+    p.listener = base_item;
+    p.view_model = &mConversationViewModel;
+    p.root = NULL;
+    p.use_ellipses = true;
+    p.options_menu = "menu_conversation.xml";
+	mConversationsRoot = LLUICtrlFactory::create<LLFolderView>(p);
+    mConversationsRoot->setCallbackRegistrar(&mCommitCallbackRegistrar);
+
+	// Add listener to conversation model events
+	mConversationsEventStream.listen("ConversationsRefresh", boost::bind(&LLFloaterIMContainer::onConversationModelEvent, this, _1));
+
+	// a scroller for folder view
+	LLRect scroller_view_rect = mConversationsListPanel->getRect();
+	scroller_view_rect.translate(-scroller_view_rect.mLeft, -scroller_view_rect.mBottom);
+	LLScrollContainer::Params scroller_params(LLUICtrlFactory::getDefaultParams<LLFolderViewScrollContainer>());
+	scroller_params.rect(scroller_view_rect);
+
+	LLScrollContainer* scroller = LLUICtrlFactory::create<LLFolderViewScrollContainer>(scroller_params);
+	scroller->setFollowsAll();
+	mConversationsListPanel->addChild(scroller);
+	scroller->addChild(mConversationsRoot);
+	mConversationsRoot->setScrollContainer(scroller);
+	mConversationsRoot->setFollowsAll();
+	mConversationsRoot->addChild(mConversationsRoot->mStatusTextBox);
+
+	addConversationListItem(LLUUID()); // manually add nearby chat
+
+	mExpandCollapseBtn = getChild<LLButton>("expand_collapse_btn");
+	mExpandCollapseBtn->setClickedCallback(boost::bind(&LLFloaterIMContainer::onExpandCollapseButtonClicked, this));
+	mStubCollapseBtn = getChild<LLButton>("stub_collapse_btn");
+	mStubCollapseBtn->setClickedCallback(boost::bind(&LLFloaterIMContainer::onStubCollapseButtonClicked, this));
+	getChild<LLButton>("speak_btn")->setClickedCallback(boost::bind(&LLFloaterIMContainer::onSpeakButtonClicked, this));
+
+	childSetAction("add_btn", boost::bind(&LLFloaterIMContainer::onAddButtonClicked, this));
+
+	collapseMessagesPane(gSavedPerAccountSettings.getBOOL("ConversationsMessagePaneCollapsed"));
+	collapseConversationsPane(gSavedPerAccountSettings.getBOOL("ConversationsListPaneCollapsed"));
+	LLAvatarNameCache::addUseDisplayNamesCallback(boost::bind(&LLFloaterIMSessionTab::processChatHistoryStyleUpdate));
+	mMicroChangedSignal = LLVoiceClient::getInstance()->MicroChangedCallback(boost::bind(&LLFloaterIMContainer::updateSpeakBtnState, this));
+	if (! mMessagesPane->isCollapsed())
+	{
+		S32 list_width = gSavedPerAccountSettings.getS32("ConversationsListPaneWidth");
+		LLRect list_size = mConversationsPane->getRect();
+        S32 left_pad = mConversationsListPanel->getRect().mLeft;
+		list_size.mRight = list_size.mLeft + list_width - left_pad;
+
+        mConversationsPane->handleReshape(list_size, TRUE);
+	}
+
+	// Init the sort order now that the root had been created
+	setSortOrder(LLConversationSort(gSavedSettings.getU32("ConversationSortOrder")));
+	
+	mInitialized = true;
+
+	// Add callbacks:
+	// We'll take care of view updates on idle
+	gIdleCallbacks.addFunction(idle, this);
+	// When display name option change, we need to reload all participant names
+	LLAvatarNameCache::addUseDisplayNamesCallback(boost::bind(&LLFloaterIMContainer::processParticipantsStyleUpdate, this));
+
+	return TRUE;
+}
+
+void LLFloaterIMContainer::onOpen(const LLSD& key)
+{
+	LLMultiFloater::onOpen(key);
+	openNearbyChat();
+	assignResizeLimits();
+}
+
+// virtual
+void LLFloaterIMContainer::addFloater(LLFloater* floaterp,
+									  BOOL select_added_floater,
+									  LLTabContainer::eInsertionPoint insertion_point)
+{
+	if(!floaterp) return;
+
+	// already here
+	if (floaterp->getHost() == this)
+	{
+		openFloater(floaterp->getKey());
+		return;
+	}
+	
+	// Make sure the message panel is open when adding a floater or it stays mysteriously hidden
+	collapseMessagesPane(false);
+
+	// Add the floater
+	LLMultiFloater::addFloater(floaterp, select_added_floater, insertion_point);
+
+	LLUUID session_id = floaterp->getKey();
+	
+	LLIconCtrl* icon = 0;
+
+	if(gAgent.isInGroup(session_id, TRUE))
+	{
+		LLGroupIconCtrl::Params icon_params;
+		icon_params.group_id = session_id;
+		icon = LLUICtrlFactory::instance().create<LLGroupIconCtrl>(icon_params);
+
+		mSessions[session_id] = floaterp;
+		floaterp->mCloseSignal.connect(boost::bind(&LLFloaterIMContainer::onCloseFloater, this, session_id));
+	}
+	else
+	{   LLUUID avatar_id = session_id.notNull()?
+		    LLIMModel::getInstance()->getOtherParticipantID(session_id) : LLUUID();
+
+		LLAvatarIconCtrl::Params icon_params;
+		icon_params.avatar_id = avatar_id;
+		icon = LLUICtrlFactory::instance().create<LLAvatarIconCtrl>(icon_params);
+
+		mSessions[session_id] = floaterp;
+		floaterp->mCloseSignal.connect(boost::bind(&LLFloaterIMContainer::onCloseFloater, this, session_id));
+	}
+
+	// forced resize of the floater
+	LLRect wrapper_rect = this->mTabContainer->getLocalRect();
+	floaterp->setRect(wrapper_rect);
+
+	mTabContainer->setTabImage(floaterp, icon);
+}
+
+
+void LLFloaterIMContainer::onCloseFloater(LLUUID& id)
+{
+	mSessions.erase(id);
+	setFocus(TRUE);
+}
+
+void LLFloaterIMContainer::onNewMessageReceived(const LLSD& data)
+{
+	LLUUID session_id = data["session_id"].asUUID();
+	LLFloater* floaterp = get_ptr_in_map(mSessions, session_id);
+	LLFloater* current_floater = LLMultiFloater::getActiveFloater();
+
+	if(floaterp && current_floater && floaterp != current_floater)
+	{
+		if(LLMultiFloater::isFloaterFlashing(floaterp))
+			LLMultiFloater::setFloaterFlashing(floaterp, FALSE);
+		LLMultiFloater::setFloaterFlashing(floaterp, TRUE);
+	}
+}
+
+void LLFloaterIMContainer::onStubCollapseButtonClicked()
+{
+	collapseMessagesPane(true);
+}
+
+void LLFloaterIMContainer::onSpeakButtonClicked()
+{
+	LLAgent::toggleMicrophone("speak");
+	updateSpeakBtnState();
+}
+void LLFloaterIMContainer::onExpandCollapseButtonClicked()
+{
+	if (mConversationsPane->isCollapsed() && mMessagesPane->isCollapsed()
+			&& gSavedPerAccountSettings.getBOOL("ConversationsExpandMessagePaneFirst"))
+	{
+		// Expand the messages pane from ultra minimized state
+		// if it was collapsed last in order.
+		collapseMessagesPane(false);
+	}
+	else
+	{
+		collapseConversationsPane(!mConversationsPane->isCollapsed());
+	}
+	reSelectConversation();
+}
+
+LLFloaterIMContainer* LLFloaterIMContainer::findInstance()
+{
+	return LLFloaterReg::findTypedInstance<LLFloaterIMContainer>("im_container");
+}
+
+LLFloaterIMContainer* LLFloaterIMContainer::getInstance()
+{
+	return LLFloaterReg::getTypedInstance<LLFloaterIMContainer>("im_container");
+}
+
+// Update all participants in the conversation lists
+void LLFloaterIMContainer::processParticipantsStyleUpdate()
+{
+	// On each session in mConversationsItems
+	for (conversations_items_map::iterator it_session = mConversationsItems.begin(); it_session != mConversationsItems.end(); it_session++)
+	{
+		// Get the current session descriptors
+		LLConversationItem* session_model = it_session->second;
+		// Iterate through each model participant child
+		LLFolderViewModelItemCommon::child_list_t::const_iterator current_participant_model = session_model->getChildrenBegin();
+		LLFolderViewModelItemCommon::child_list_t::const_iterator end_participant_model = session_model->getChildrenEnd();
+		while (current_participant_model != end_participant_model)
+		{
+			LLConversationItemParticipant* participant_model = dynamic_cast<LLConversationItemParticipant*>(*current_participant_model);
+			// Get the avatar name for this participant id from the cache and update the model
+			participant_model->updateName();
+			// Next participant
+			current_participant_model++;
+		}
+	}
+}
+
+// static
+void LLFloaterIMContainer::idle(void* user_data)
+{
+	LLFloaterIMContainer* self = static_cast<LLFloaterIMContainer*>(user_data);
+	
+	// Update the distance to agent in the nearby chat session if required
+	// Note: it makes no sense of course to update the distance in other session
+	if (self->mConversationViewModel.getSorter().getSortOrderParticipants() == LLConversationFilter::SO_DISTANCE)
+	{
+		self->setNearbyDistances();
+	}
+	self->mConversationsRoot->update();
+}
+
+bool LLFloaterIMContainer::onConversationModelEvent(const LLSD& event)
+{
+	// For debug only
+	//std::ostringstream llsd_value;
+	//llsd_value << LLSDOStreamer<LLSDNotationFormatter>(event) << std::endl;
+	//llinfos << "LLFloaterIMContainer::onConversationModelEvent, event = " << llsd_value.str() << llendl;
+	// end debug
+	
+	// Note: In conversations, the model is not responsible for creating the view, which is a good thing. This means that
+	// the model could change substantially and the view could echo only a portion of this model (though currently the 
+	// conversation view does echo the conversation model 1 to 1).
+	// Consequently, the participant views need to be created either by the session view or by the container panel.
+	// For the moment, we create them here, at the container level, to conform to the pattern implemented in llinventorypanel.cpp 
+	// (see LLInventoryPanel::buildNewViews()).
+
+	std::string type = event.get("type").asString();
+	LLUUID session_id = event.get("session_uuid").asUUID();
+	LLUUID participant_id = event.get("participant_uuid").asUUID();
+
+	LLConversationViewSession* session_view = dynamic_cast<LLConversationViewSession*>(get_ptr_in_map(mConversationsWidgets,session_id));
+	if (!session_view)
+	{
+		// We skip events that are not associated with a session
+		return false;
+	}
+	LLConversationViewParticipant* participant_view = session_view->findParticipant(participant_id);
+    LLFloaterIMSessionTab *conversation_floater = (session_id.isNull() ? (LLFloaterIMSessionTab*)(LLFloaterReg::findTypedInstance<LLFloaterIMNearbyChat>("nearby_chat")) : (LLFloaterIMSessionTab*)(LLFloaterIMSession::findInstance(session_id)));
+
+	if (type == "remove_participant")
+	{
+		// Remove a participant view from the hierarchical conversation list
+		if (participant_view)
+		{
+			session_view->extractItem(participant_view);
+			delete participant_view;
+			session_view->refresh();
+			mConversationsRoot->arrangeAll();
+		}
+		// Remove a participant view from the conversation floater 
+		if (conversation_floater)
+		{
+			conversation_floater->removeConversationViewParticipant(participant_id);
+		}
+	}
+	else if (type == "add_participant")
+	{
+		LLConversationItemSession* session_model = dynamic_cast<LLConversationItemSession*>(mConversationsItems[session_id]);
+		LLConversationItemParticipant* participant_model = (session_model ? session_model->findParticipant(participant_id) : NULL);
+		if (!participant_view && session_model && participant_model)
+		{
+			LLIMModel::LLIMSession * im_sessionp = LLIMModel::getInstance()->findIMSession(session_id);
+			if (session_id.isNull() || (im_sessionp && !im_sessionp->isP2PSessionType()))
+			{
+				participant_view = createConversationViewParticipant(participant_model);
+				participant_view->addToFolder(session_view);
+				participant_view->setVisible(TRUE);
+			}
+		}
+		// Add a participant view to the conversation floater 
+		if (conversation_floater && participant_model)
+		{
+			conversation_floater->addConversationViewParticipant(participant_model);
+		}
+	}
+	else if (type == "update_participant")
+	{
+		// Update the participant view in the hierarchical conversation list
+		if (participant_view)
+		{
+			participant_view->refresh();
+		}
+		// Update the participant view in the conversation floater 
+		if (conversation_floater)
+		{
+			conversation_floater->updateConversationViewParticipant(participant_id);
+		}
+	}
+	else if (type == "update_session")
+	{
+		session_view->refresh();
+	}
+	
+	mConversationViewModel.requestSortAll();
+	mConversationsRoot->arrangeAll();
+	if (conversation_floater)
+	{
+		conversation_floater->refreshConversation();
+	}
+	
+	return false;
+}
+
+void LLFloaterIMContainer::draw()
+{
+	if (mTabContainer->getTabCount() == 0)
+	{
+		// Do not close the container when every conversation is torn off because the user
+		// still needs the conversation list. Simply collapse the message pane in that case.
+		collapseMessagesPane(true);
+	}
+	
+	//Update moderator options visibility
+	const LLConversationItem *current_session = getCurSelectedViewModelItem();
+	if (current_session)
+	{
+		LLFolderViewModelItemCommon::child_list_t::const_iterator current_participant_model = current_session->getChildrenBegin();
+		LLFolderViewModelItemCommon::child_list_t::const_iterator end_participant_model = current_session->getChildrenEnd();
+		while (current_participant_model != end_participant_model)
+		{
+			LLConversationItemParticipant* participant_model = dynamic_cast<LLConversationItemParticipant*>(*current_participant_model);
+			participant_model->setModeratorOptionsVisible(isGroupModerator() && participant_model->getUUID() != gAgentID);
+
+			current_participant_model++;
+		}
+	}
+
+	LLFloater::draw();
+}
+
+void LLFloaterIMContainer::tabClose()
+{
+	if (mTabContainer->getTabCount() == 0)
+	{
+		// Do not close the container when every conversation is torn off because the user
+		// still needs the conversation list. Simply collapse the message pane in that case.
+		collapseMessagesPane(true);
+	}
+}
+
+//Shows/hides the stub panel when a conversation floater is torn off
+void LLFloaterIMContainer::showStub(bool stub_is_visible)
+{
+    S32 tabCount = 0;
+    LLPanel * tabPanel = NULL;
+
+    if(stub_is_visible)
+    {
+        tabCount = mTabContainer->getTabCount();
+
+        //Hide all tabs even stub
+        for(S32 i = 0; i < tabCount; ++i)
+        {
+            tabPanel = mTabContainer->getPanelByIndex(i);
+
+            if(tabPanel)
+            {
+                tabPanel->setVisible(false);
+            }
+        }
+
+        //Set the index to the stub panel since we will be showing the stub
+        mTabContainer->setCurrentPanelIndex(0);
+    }
+
+    //Now show/hide the stub
+	mStubPanel->setVisible(stub_is_visible);
+}
+
+// listener for click on mStubTextBox2
+void LLFloaterIMContainer::returnFloaterToHost()
+{
+	LLUUID session_id = this->getSelectedSession();
+	LLFloaterIMSessionTab* floater = LLFloaterIMSessionTab::getConversation(session_id);
+	floater->onTearOffClicked();
+}
+
+void LLFloaterIMContainer::setVisible(BOOL visible)
+{	LLFloaterIMNearbyChat* nearby_chat;
+	if (visible)
+	{
+		// Make sure we have the Nearby Chat present when showing the conversation container
+		nearby_chat = LLFloaterReg::findTypedInstance<LLFloaterIMNearbyChat>("nearby_chat");
+		if (nearby_chat == NULL)
+		{
+			// If not found, force the creation of the nearby chat conversation panel
+			// *TODO: find a way to move this to XML as a default panel or something like that
+			LLSD name("nearby_chat");
+			LLFloaterReg::toggleInstanceOrBringToFront(name);
+            setSelectedSession(LLUUID(NULL));
+		}
+		openNearbyChat();
+        selectConversationPair(getSelectedSession(), false);
+	}
+
+	nearby_chat = LLFloaterReg::findTypedInstance<LLFloaterIMNearbyChat>("nearby_chat");
+	if (nearby_chat)
+	{
+		LLFloaterIMSessionTab::addToHost(LLUUID());
+	}
+
+	// We need to show/hide all the associated conversations that have been torn off
+	// (and therefore, are not longer managed by the multifloater),
+	// so that they show/hide with the conversations manager.
+	conversations_widgets_map::iterator widget_it = mConversationsWidgets.begin();
+	for (;widget_it != mConversationsWidgets.end(); ++widget_it)
+	{
+		LLConversationViewSession* widget = dynamic_cast<LLConversationViewSession*>(widget_it->second);
+		if (widget)
+		{
+		    widget->setVisibleIfDetached(visible);
+		}
+	}
+	
+	// Now, do the normal multifloater show/hide
+	LLMultiFloater::setVisible(visible);
+}
+
+void LLFloaterIMContainer::updateResizeLimits()
+{
+	LLMultiFloater::updateResizeLimits();
+	assignResizeLimits();
+}
+
+void LLFloaterIMContainer::collapseMessagesPane(bool collapse)
+{
+	if (mMessagesPane->isCollapsed() == collapse)
+	{
+		return;
+	}
+
+	// Save current width of panels before collapsing/expanding right pane.
+	S32 conv_pane_width = mConversationsPane->getRect().getWidth();
+    S32 msg_pane_width = mMessagesPane->getRect().getWidth();
+
+	if (collapse)
+	{
+		// Save the messages pane width before collapsing it.
+		gSavedPerAccountSettings.setS32("ConversationsMessagePaneWidth", msg_pane_width);
+
+		// Save the order in which the panels are closed to reverse user's last action.
+		gSavedPerAccountSettings.setBOOL("ConversationsExpandMessagePaneFirst", mConversationsPane->isCollapsed());
+	}
+
+	// Show/hide the messages pane.
+	mConversationsStack->collapsePanel(mMessagesPane, collapse);
+
+	// Make sure layout is updated before resizing conversation pane.
+	mConversationsStack->updateLayout();
+
+	updateState(collapse, gSavedPerAccountSettings.getS32("ConversationsMessagePaneWidth"));
+
+	if (!collapse)
+	{
+		// Restore conversation's pane previous width after expanding messages pane.
+		mConversationsPane->setTargetDim(conv_pane_width);
+	}
+}
+
+void LLFloaterIMContainer::collapseConversationsPane(bool collapse)
+{
+	if (mConversationsPane->isCollapsed() == collapse)
+	{
+		return;
+	}
+
+	LLView* button_panel = getChild<LLView>("conversations_pane_buttons_expanded");
+	button_panel->setVisible(!collapse);
+	mExpandCollapseBtn->setImageOverlay(getString(collapse ? "expand_icon" : "collapse_icon"));
+
+	// Save current width of Conversation panel before collapsing/expanding right pane.
+	S32 conv_pane_width = mConversationsPane->getRect().getWidth();
+
+	if (collapse)
+	{
+		// Save the conversations pane width before collapsing it.
+		gSavedPerAccountSettings.setS32("ConversationsListPaneWidth", conv_pane_width);
+
+		// Save the order in which the panels are closed to reverse user's last action.
+		gSavedPerAccountSettings.setBOOL("ConversationsExpandMessagePaneFirst", !mMessagesPane->isCollapsed());
+	}
+
+	mConversationsStack->collapsePanel(mConversationsPane, collapse);
+
+	S32 delta_width = gSavedPerAccountSettings.getS32("ConversationsListPaneWidth") - mConversationsPane->getMinDim();
+
+	updateState(collapse, delta_width);
+
+	for (conversations_widgets_map::iterator widget_it = mConversationsWidgets.begin();
+			widget_it != mConversationsWidgets.end(); ++widget_it)
+	{
+		LLConversationViewSession* widget = dynamic_cast<LLConversationViewSession*>(widget_it->second);
+		if (widget)
+		{
+		    widget->toggleCollapsedMode(collapse);
+
+		    // force closing all open conversations when collapsing to minimized state
+		    if (collapse)
+		    {
+		    	widget->setOpen(false);
+		    }
+		    widget->requestArrange();
+        }
+	}
+}
+
+void LLFloaterIMContainer::updateState(bool collapse, S32 delta_width)
+{
+	LLRect floater_rect = getRect();
+	floater_rect.mRight += ((collapse ? -1 : 1) * delta_width);
+
+	// Set by_user = true so that reshaped rect is saved in user_settings.
+	setShape(floater_rect, true);
+
+	updateResizeLimits();
+
+	bool is_left_pane_expanded = !mConversationsPane->isCollapsed();
+	bool is_right_pane_expanded = !mMessagesPane->isCollapsed();
+
+	setCanResize(is_left_pane_expanded || is_right_pane_expanded);
+	setCanMinimize(is_left_pane_expanded || is_right_pane_expanded);
+
+    assignResizeLimits();
+
+    // force set correct size for the title after show/hide minimize button
+	LLRect cur_rect = getRect();
+	LLRect force_rect = cur_rect;
+	force_rect.mRight = cur_rect.mRight + 1;
+    setRect(force_rect);
+    setRect(cur_rect);
+}
+
+void LLFloaterIMContainer::assignResizeLimits()
+{
+	bool is_conv_pane_expanded = !mConversationsPane->isCollapsed();
+	bool is_msg_pane_expanded = !mMessagesPane->isCollapsed();
+
+	// With two panels visible number of borders is three, because the borders
+	// between the panels are merged into one
+    S32 number_of_visible_borders = llmin((is_conv_pane_expanded? 2 : 0) + (is_msg_pane_expanded? 2 : 0), 3);
+    S32 summary_width_of_visible_borders = number_of_visible_borders * LLPANEL_BORDER_WIDTH;
+	S32 conv_pane_current_width = is_conv_pane_expanded? mConversationsPane->getRect().getWidth() : mConversationsPane->getMinDim();
+	S32 msg_pane_min_width  = is_msg_pane_expanded ? mMessagesPane->getExpandedMinDim() : 0;
+	S32 new_min_width = conv_pane_current_width + msg_pane_min_width + summary_width_of_visible_borders;
+
+	setResizeLimits(new_min_width, getMinHeight());
+}
+
+void LLFloaterIMContainer::onAddButtonClicked()
+{
+    LLView * button = findChild<LLView>("conversations_pane_buttons_expanded")->findChild<LLButton>("add_btn");
+    LLFloater* root_floater = gFloaterView->getParentFloater(this);
+    LLFloaterAvatarPicker* picker = LLFloaterAvatarPicker::show(boost::bind(&LLFloaterIMContainer::onAvatarPicked, this, _1), TRUE, TRUE, TRUE, root_floater->getName(), button);
+    
+    if (picker && root_floater)
+    {
+        root_floater->addDependentFloater(picker);
+    }
+}
+
+void LLFloaterIMContainer::onAvatarPicked(const uuid_vec_t& ids)
+{
+    if (ids.size() == 1)
+    {
+        LLAvatarActions::startIM(ids.back());
+    }
+    else
+    {
+        LLAvatarActions::startConference(ids);
+    }
+}
+
+void LLFloaterIMContainer::onCustomAction(const LLSD& userdata)
+{
+	std::string command = userdata.asString();
+
+	if ("sort_sessions_by_type" == command)
+	{
+		setSortOrderSessions(LLConversationFilter::SO_SESSION_TYPE);
+	}
+	if ("sort_sessions_by_name" == command)
+	{
+		setSortOrderSessions(LLConversationFilter::SO_NAME);
+	}
+	if ("sort_sessions_by_recent" == command)
+	{
+		setSortOrderSessions(LLConversationFilter::SO_DATE);
+	}
+	if ("sort_participants_by_name" == command)
+	{
+		setSortOrderParticipants(LLConversationFilter::SO_NAME);
+	}
+	if ("sort_participants_by_recent" == command)
+	{
+		setSortOrderParticipants(LLConversationFilter::SO_DATE);
+	}
+	if ("sort_participants_by_distance" == command)
+	{
+		setSortOrderParticipants(LLConversationFilter::SO_DISTANCE);
+	}
+	if ("chat_preferences" == command)
+	{
+		LLFloaterPreference * floater_prefp = LLFloaterReg::showTypedInstance<LLFloaterPreference>("preferences");
+		if (floater_prefp)
+		{
+			floater_prefp->selectChatPanel();
+		}
+	}
+	if ("privacy_preferences" == command)
+	{
+		LLFloaterPreference * floater_prefp = LLFloaterReg::showTypedInstance<LLFloaterPreference>("preferences");
+		if (floater_prefp)
+		{
+			floater_prefp->selectPrivacyPanel();
+		}
+	}
+}
+
+BOOL LLFloaterIMContainer::isActionChecked(const LLSD& userdata)
+{
+	LLConversationSort order = mConversationViewModel.getSorter();
+	std::string command = userdata.asString();
+	if ("sort_sessions_by_type" == command)
+	{
+		return (order.getSortOrderSessions() == LLConversationFilter::SO_SESSION_TYPE);
+	}
+	if ("sort_sessions_by_name" == command)
+	{
+		return (order.getSortOrderSessions() == LLConversationFilter::SO_NAME);
+	}
+	if ("sort_sessions_by_recent" == command)
+	{
+		return (order.getSortOrderSessions() == LLConversationFilter::SO_DATE);
+	}
+	if ("sort_participants_by_name" == command)
+	{
+		return (order.getSortOrderParticipants() == LLConversationFilter::SO_NAME);
+	}
+	if ("sort_participants_by_recent" == command)
+	{
+		return (order.getSortOrderParticipants() == LLConversationFilter::SO_DATE);
+	}
+	if ("sort_participants_by_distance" == command)
+	{
+		return (order.getSortOrderParticipants() == LLConversationFilter::SO_DISTANCE);
+	}
+	
+	return FALSE;
+}
+
+void LLFloaterIMContainer::setSortOrderSessions(const LLConversationFilter::ESortOrderType order)
+{
+	LLConversationSort old_order = mConversationViewModel.getSorter();
+	if (order != old_order.getSortOrderSessions())
+	{
+		old_order.setSortOrderSessions(order);
+		setSortOrder(old_order);
+	}
+}
+
+void LLFloaterIMContainer::setSortOrderParticipants(const LLConversationFilter::ESortOrderType order)
+{
+	LLConversationSort old_order = mConversationViewModel.getSorter();
+	if (order != old_order.getSortOrderParticipants())
+	{
+		old_order.setSortOrderParticipants(order);
+		setSortOrder(old_order);
+	}
+}
+
+void LLFloaterIMContainer::setSortOrder(const LLConversationSort& order)
+{
+	mConversationViewModel.setSorter(order);
+	mConversationsRoot->arrangeAll();
+	// try to keep selection onscreen, even if it wasn't to start with
+	mConversationsRoot->scrollToShowSelection();
+	
+	// Notify all conversation (torn off or not) of the change to the sort order
+	// Note: For the moment, the sort order is *unique* across all conversations. That might change in the future.
+	for (conversations_items_map::iterator it_session = mConversationsItems.begin(); it_session != mConversationsItems.end(); it_session++)
+	{
+		LLUUID session_id = it_session->first;
+		LLFloaterIMSessionTab *conversation_floater = (session_id.isNull() ? (LLFloaterIMSessionTab*)(LLFloaterReg::findTypedInstance<LLFloaterIMNearbyChat>("nearby_chat")) : (LLFloaterIMSessionTab*)(LLFloaterIMSession::findInstance(session_id)));
+		if (conversation_floater)
+		{
+			conversation_floater->setSortOrder(order);
+		}
+	}
+	
+	gSavedSettings.setU32("ConversationSortOrder", (U32)order);
+}
+
+void LLFloaterIMContainer::getSelectedUUIDs(uuid_vec_t& selected_uuids)
+{
+    const std::set<LLFolderViewItem*> selectedItems = mConversationsRoot->getSelectionList();
+
+    std::set<LLFolderViewItem*>::const_iterator it = selectedItems.begin();
+    const std::set<LLFolderViewItem*>::const_iterator it_end = selectedItems.end();
+    LLConversationItem * conversationItem;
+
+    for (; it != it_end; ++it)
+    {
+        conversationItem = static_cast<LLConversationItem *>((*it)->getViewModelItem());
+        selected_uuids.push_back(conversationItem->getUUID());
+    }
+}
+
+const LLConversationItem * LLFloaterIMContainer::getCurSelectedViewModelItem()
+{
+    LLConversationItem * conversation_item = NULL;
+
+    if(mConversationsRoot && 
+        mConversationsRoot->getCurSelectedItem() && 
+        mConversationsRoot->getCurSelectedItem()->getViewModelItem())
+    {
+		LLFloaterIMSessionTab *selected_session_floater = LLFloaterIMSessionTab::getConversation(mSelectedSession);
+		if (selected_session_floater && !selected_session_floater->getHost() && selected_session_floater->getCurSelectedViewModelItem())
+		{
+			conversation_item = selected_session_floater->getCurSelectedViewModelItem();
+		}
+		else
+		{
+			conversation_item = static_cast<LLConversationItem *>(mConversationsRoot->getCurSelectedItem()->getViewModelItem());
+		}
+	}
+
+    return conversation_item;
+}
+
+void LLFloaterIMContainer::getParticipantUUIDs(uuid_vec_t& selected_uuids)
+{
+    //Find the conversation floater associated with the selected id
+    const LLConversationItem * conversation_item = getCurSelectedViewModelItem();
+
+	if (NULL == conversation_item)
+	{
+		return;
+	}
+
+    if (conversation_item->getType() == LLConversationItem::CONV_PARTICIPANT)
+    {
+        getSelectedUUIDs(selected_uuids);
+    }
+    //When a one-on-one conversation exists, retrieve the participant id from the conversation floater
+    else if(conversation_item->getType() == LLConversationItem::CONV_SESSION_1_ON_1)
+    {
+        LLFloaterIMSession * conversation_floaterp = LLFloaterIMSession::findInstance(conversation_item->getUUID());
+        LLUUID participant_id = conversation_floaterp->getOtherParticipantUUID();
+        selected_uuids.push_back(participant_id);
+    }    
+}
+
+void LLFloaterIMContainer::doToParticipants(const std::string& command, uuid_vec_t& selectedIDS)
+{
+	if (selectedIDS.size() == 1)
+	{
+		const LLUUID& userID = selectedIDS.front();
+		if ("view_profile" == command)
+		{
+			LLAvatarActions::showProfile(userID);
+		}
+		else if ("im" == command)
+		{
+			if (gAgent.getID() != userID)
+			{
+				LLAvatarActions::startIM(userID);
+			}
+		}
+		else if ("offer_teleport" == command)
+		{
+			LLAvatarActions::offerTeleport(selectedIDS);
+		}
+		else if ("voice_call" == command)
+		{
+			LLAvatarActions::startCall(userID);
+		}
+		else if ("chat_history" == command)
+		{
+			LLAvatarActions::viewChatHistory(userID);
+		}
+		else if ("add_friend" == command)
+		{
+			LLAvatarActions::requestFriendshipDialog(userID);
+		}
+		else if ("remove_friend" == command)
+		{
+			LLAvatarActions::removeFriendDialog(userID);
+		}
+		else if ("invite_to_group" == command)
+		{
+			LLAvatarActions::inviteToGroup(userID);
+		}
+		else if ("map" == command)
+		{
+			LLAvatarActions::showOnMap(userID);
+		}
+		else if ("share" == command)
+		{
+			LLAvatarActions::share(userID);
+		}
+		else if ("pay" == command)
+		{
+			LLAvatarActions::pay(userID);
+		}
+		else if ("block_unblock" == command)
+		{
+			toggleMute(userID, LLMute::flagVoiceChat);
+		}
+		else if ("mute_unmute" == command)
+		{
+			toggleMute(userID, LLMute::flagTextChat);
+		}
+		else if ("selected" == command || "mute_all" == command || "unmute_all" == command)
+		{
+			moderateVoice(command, userID);
+		}
+		else if ("toggle_allow_text_chat" == command)
+		{
+			toggleAllowTextChat(userID);
+		}
+	}
+	else if (selectedIDS.size() > 1)
+	{
+		if ("im" == command)
+		{
+			LLAvatarActions::startConference(selectedIDS);
+		}
+		else if ("offer_teleport" == command)
+		{
+			LLAvatarActions::offerTeleport(selectedIDS);
+		}
+		else if ("voice_call" == command)
+		{
+			LLAvatarActions::startAdhocCall(selectedIDS);
+		}
+		else if ("remove_friend" == command)
+		{
+			LLAvatarActions::removeFriendsDialog(selectedIDS);
+		}
+	}
+}
+
+void LLFloaterIMContainer::doToSelectedConversation(const std::string& command, uuid_vec_t& selectedIDS)
+{
+    //Find the conversation floater associated with the selected id
+    const LLConversationItem * conversationItem = getCurSelectedViewModelItem();
+    LLFloaterIMSession *conversationFloater = LLFloaterIMSession::findInstance(conversationItem->getUUID());
+
+    if(conversationFloater)
+    {
+        //Close the selected conversation
+        if("close_conversation" == command)
+        {
+            LLFloater::onClickClose(conversationFloater);
+        }
+        else if("open_voice_conversation" == command)
+        {
+            gIMMgr->startCall(conversationItem->getUUID());
+        }
+        else if("disconnect_from_voice" == command)
+        {
+            gIMMgr->endCall(conversationItem->getUUID());
+        }
+        else if("chat_history" == command)
+        {
+			const LLIMModel::LLIMSession* session = LLIMModel::getInstance()->findIMSession(conversationItem->getUUID());
+
+			if (NULL != session)
+			{
+				const LLUUID session_id = session->isOutgoingAdHoc() ? session->generateOutgouigAdHocHash() : session->mSessionID;
+				LLFloaterReg::showInstance("preview_conversation", session_id, true);
+			}
+        }
+        else
+        {
+            doToParticipants(command, selectedIDS);
+        }
+    }
+}
+
+void LLFloaterIMContainer::doToSelected(const LLSD& userdata)
+{
+    std::string command = userdata.asString();
+    const LLConversationItem * conversationItem = getCurSelectedViewModelItem();
+    uuid_vec_t selected_uuids;
+
+    if(conversationItem != NULL)
+    {
+    	getParticipantUUIDs(selected_uuids);
+		
+    	if(conversationItem->getType() == LLConversationItem::CONV_PARTICIPANT)
+    	{
+    		doToParticipants(command, selected_uuids);
+    	}
+    	else
+    	{
+    		doToSelectedConversation(command, selected_uuids);
+    	}
+    }
+}
+
+void LLFloaterIMContainer::doToSelectedGroup(const LLSD& userdata)
+{
+    std::string action = userdata.asString();
+    LLUUID selected_group = getCurSelectedViewModelItem()->getUUID();
+
+    if (action == "group_profile")
+    {
+        LLGroupActions::show(selected_group);
+    }
+    else if (action == "activate_group")
+    {
+        LLGroupActions::activate(selected_group);
+    }
+    else if (action == "leave_group")
+    {
+        LLGroupActions::leave(selected_group);
+    }
+}
+
+bool LLFloaterIMContainer::enableContextMenuItem(const LLSD& userdata)
+{
+    const std::string& item = userdata.asString();
+	uuid_vec_t uuids;
+	getParticipantUUIDs(uuids);
+
+	if ("conversation_log" == item)
+	{
+		return gSavedSettings.getBOOL("KeepConversationLogTranscripts");
+	}
+
+	//Enable Chat history item for ad-hoc and group conversations
+	if ("can_chat_history" == item)
+	{
+		if(getCurSelectedViewModelItem())
+		{
+			if (getCurSelectedViewModelItem()->getType() != LLConversationItem::CONV_PARTICIPANT)
+			{
+				return isConversationLoggingAllowed();
+			}
+		}
+	}
+
+	// If nothing is selected(and selected item is not group chat), everything needs to be disabled
+	if (uuids.size() <= 0)
+	{
+		if(getCurSelectedViewModelItem())
+		{
+			return getCurSelectedViewModelItem()->getType() == LLConversationItem::CONV_SESSION_GROUP;
+		}
+		return false;
+	}
+
+	if("can_activate_group" == item)
+    {
+    	LLUUID selected_group_id = getCurSelectedViewModelItem()->getUUID();
+    	return gAgent.getGroupID() != selected_group_id;
+    }
+	
+	return enableContextMenuItem(item, uuids);
+}
+
+bool LLFloaterIMContainer::enableContextMenuItem(const std::string& item, uuid_vec_t& uuids)
+{
+	// Extract the single select info
+	bool is_single_select = (uuids.size() == 1);
+	const LLUUID& single_id = uuids.front();
+	
+	// Handle options that are applicable to all including the user agent
+    if ("can_view_profile" == item)
+    {
+		return is_single_select;
+	}
+	
+	// Beyond that point, if only the user agent is selected, everything is disabled
+	if (is_single_select && (single_id == gAgentID))
+	{
+		return false;
+	}
+
+	// Handle all other options
+	if (("can_invite" == item) || ("can_chat_history" == item) || ("can_share" == item) || ("can_pay" == item))
+	{
+		// Those menu items are enable only if a single avatar is selected
+		return is_single_select;
+	}
+    else if ("can_block" == item)
+    {
+        return (is_single_select ? LLAvatarActions::canBlock(single_id) : false);
+    }
+    else if ("can_add" == item)
+    {
+        // We can add friends if:
+        // - there is only 1 selected avatar (EXT-7389)
+        // - this avatar is not already a friend
+        return (is_single_select ? !LLAvatarActions::isFriend(single_id) : false);
+    }
+    else if ("can_delete" == item)
+    {
+        // We can remove friends if there are only friends among the selection
+        bool result = true;
+        for (uuid_vec_t::const_iterator id = uuids.begin(); id != uuids.end(); ++id)
+        {
+			result &= LLAvatarActions::isFriend(*id);
+        }
+        return result;
+    }
+    else if ("can_call" == item)
+    {
+        return LLAvatarActions::canCall();
+    }
+    else if ("can_show_on_map" == item)
+    {
+        return (is_single_select ? (LLAvatarTracker::instance().isBuddyOnline(single_id) && is_agent_mappable(single_id)) || gAgent.isGodlike() : false);
+    }
+    else if ("can_offer_teleport" == item)
+    {
+		return LLAvatarActions::canOfferTeleport(uuids);
+    }
+	else if (("can_moderate_voice" == item) || ("can_allow_text_chat" == item) || ("can_mute_unmute" == item))
+	{
+		// *TODO : get that out of here...
+		return enableModerateContextMenuItem(item);
+	}
+
+	// By default, options that not explicitely disabled are enabled
+    return true;
+}
+
+bool LLFloaterIMContainer::checkContextMenuItem(const LLSD& userdata)
+{
+    std::string item = userdata.asString();
+	uuid_vec_t uuids;
+	getParticipantUUIDs(uuids);
+	
+	return checkContextMenuItem(item, uuids);
+}
+
+bool LLFloaterIMContainer::checkContextMenuItem(const std::string& item, uuid_vec_t& uuids)
+{
+    if (uuids.size() == 1)
+    {
+		if ("is_blocked" == item)
+		{
+			return LLMuteList::getInstance()->isMuted(uuids.front(), LLMute::flagVoiceChat);
+		}
+		else if (item == "is_muted")
+		{
+		    return LLMuteList::getInstance()->isMuted(uuids.front(), LLMute::flagTextChat);
+	    }
+		else if ("is_allowed_text_chat" == item)
+		{
+			const LLSpeaker * speakerp = getSpeakerOfSelectedParticipant(getSpeakerMgrForSelectedParticipant());
+
+			if (NULL != speakerp)
+			{
+				return !speakerp->mModeratorMutedText;
+			}
+		}
+    }
+
+    return false;
+}
+
+void LLFloaterIMContainer::showConversation(const LLUUID& session_id)
+{
+    setVisibleAndFrontmost(false);
+    selectConversationPair(session_id, true);
+}
+
+void LLFloaterIMContainer::clearAllFlashStates()
+{
+	conversations_widgets_map::iterator widget_it = mConversationsWidgets.begin();
+	for (;widget_it != mConversationsWidgets.end(); ++widget_it)
+	{
+		LLConversationViewSession* widget = dynamic_cast<LLConversationViewSession*>(widget_it->second);
+		if (widget)
+		{
+			widget->setFlashState(false);
+		}
+	}
+}
+
+void LLFloaterIMContainer::selectConversation(const LLUUID& session_id)
+{
+    selectConversationPair(session_id, true);
+}
+
+// Synchronous select the conversation item and the conversation floater
+BOOL LLFloaterIMContainer::selectConversationPair(const LLUUID& session_id, bool select_widget)
+{
+    BOOL handled = TRUE;
+    LLFloaterIMSessionTab* session_floater = LLFloaterIMSessionTab::findConversation(session_id);
+
+    /* widget processing */
+    if (select_widget)
+    {
+		LLFolderViewItem* widget = get_ptr_in_map(mConversationsWidgets,session_id);
+    	if (widget && widget->getParentFolder())
+    	{
+    		widget->getParentFolder()->setSelection(widget, FALSE, FALSE);
+    	}
+    }
+
+    /* floater processing */
+
+	if (NULL != session_floater)
+	{
+		if (session_id != getSelectedSession())
+		{
+			// Store the active session
+			setSelectedSession(session_id);
+
+		
+
+			if (session_floater->getHost())
+			{
+				// Always expand the message pane if the panel is hosted by the container
+				collapseMessagesPane(false);
+				// Switch to the conversation floater that is being selected
+				selectFloater(session_floater);
+			}
+		}
+
+		// Set the focus on the selected floater
+		if (!session_floater->hasFocus())
+		{
+			session_floater->setFocus(TRUE);
+		}
+	}
+
+    return handled;
+}
+
+void LLFloaterIMContainer::setTimeNow(const LLUUID& session_id, const LLUUID& participant_id)
+{
+	LLConversationItemSession* item = dynamic_cast<LLConversationItemSession*>(get_ptr_in_map(mConversationsItems,session_id));
+	if (item)
+	{
+		item->setTimeNow(participant_id);
+		mConversationViewModel.requestSortAll();
+		mConversationsRoot->arrangeAll();
+	}
+}
+
+void LLFloaterIMContainer::setNearbyDistances()
+{
+	// Get the nearby chat session: that's the one with uuid nul
+	LLConversationItemSession* item = dynamic_cast<LLConversationItemSession*>(get_ptr_in_map(mConversationsItems,LLUUID()));
+	if (item)
+	{
+		// Get the positions of the nearby avatars and their ids
+		std::vector<LLVector3d> positions;
+		uuid_vec_t avatar_ids;
+		LLWorld::getInstance()->getAvatars(&avatar_ids, &positions, gAgent.getPositionGlobal(), gSavedSettings.getF32("NearMeRange"));
+		// Get the position of the agent
+		const LLVector3d& me_pos = gAgent.getPositionGlobal();
+		// For each nearby avatar, compute and update the distance
+		int avatar_count = positions.size();
+		for (int i = 0; i < avatar_count; i++)
+		{
+			F64 dist = dist_vec_squared(positions[i], me_pos);
+			item->setDistance(avatar_ids[i],dist);
+		}
+		// Also does it for the agent itself
+		item->setDistance(gAgent.getID(),0.0f);
+		// Request resort
+		mConversationViewModel.requestSortAll();
+		mConversationsRoot->arrangeAll();
+	}
+}
+
+LLConversationItem* LLFloaterIMContainer::addConversationListItem(const LLUUID& uuid, bool isWidgetSelected /*= false*/)
+{
+	bool is_nearby_chat = uuid.isNull();
+
+    // Stores the display name for the conversation line item
+	std::string display_name = is_nearby_chat ? LLTrans::getString("NearbyChatLabel") : LLIMModel::instance().getName(uuid);
+
+	// Check if the item is not already in the list, exit (nothing to do)
+	// Note: this happens often, when reattaching a torn off conversation for instance
+	conversations_items_map::iterator item_it = mConversationsItems.find(uuid);
+	if (item_it != mConversationsItems.end())
+	{
+		return item_it->second;
+	}
+
+	// Create a conversation session model
+	LLConversationItemSession* item = NULL;
+	LLSpeakerMgr* speaker_manager = (is_nearby_chat ? (LLSpeakerMgr*)(LLLocalSpeakerMgr::getInstance()) : LLIMModel::getInstance()->getSpeakerManager(uuid));
+	if (speaker_manager)
+	{
+		item = new LLParticipantList(speaker_manager, getRootViewModel());
+	}
+	if (!item)
+	{
+		llwarns << "Couldn't create conversation session item : " << display_name << llendl;
+		return NULL;
+	}
+	item->renameItem(display_name);
+	item->updateName(NULL);
+	
+	mConversationsItems[uuid] = item;
+
+	// Create a widget from it
+	LLConversationViewSession* widget = createConversationItemWidget(item);
+	mConversationsWidgets[uuid] = widget;
+
+	// Add a new conversation widget to the root folder of the folder view
+	widget->addToFolder(mConversationsRoot);
+	widget->requestArrange();
+
+	LLIMModel::LLIMSession * im_sessionp = LLIMModel::getInstance()->findIMSession(uuid);
+
+	// Create the participants widgets now
+	// Note: usually, we do not get an updated avatar list at that point
+	if (uuid.isNull() || im_sessionp && !im_sessionp->isP2PSessionType())
+	{
+		LLFolderViewModelItemCommon::child_list_t::const_iterator current_participant_model = item->getChildrenBegin();
+		LLFolderViewModelItemCommon::child_list_t::const_iterator end_participant_model = item->getChildrenEnd();
+		while (current_participant_model != end_participant_model)
+		{
+			LLConversationItem* participant_model = dynamic_cast<LLConversationItem*>(*current_participant_model);
+			LLConversationViewParticipant* participant_view = createConversationViewParticipant(participant_model);
+			participant_view->addToFolder(widget);
+			current_participant_model++;
+		}
+	}
+
+	if (uuid.notNull() && im_sessionp->isP2PSessionType())
+	{
+		item->fetchAvatarName(false);
+	}
+
+	// Do that too for the conversation dialog
+    LLFloaterIMSessionTab *conversation_floater = (uuid.isNull() ? (LLFloaterIMSessionTab*)(LLFloaterReg::findTypedInstance<LLFloaterIMNearbyChat>("nearby_chat")) : (LLFloaterIMSessionTab*)(LLFloaterIMSession::findInstance(uuid)));
+	if (conversation_floater)
+	{
+		conversation_floater->buildConversationViewParticipant();
+	}
+
+	// set the widget to minimized mode if conversations pane is collapsed
+	widget->toggleCollapsedMode(mConversationsPane->isCollapsed());
+
+	if (isWidgetSelected || 0 == mConversationsRoot->getSelectedCount())
+	{
+		selectConversationPair(uuid, true);
+		widget->requestArrange();
+
+		// scroll to newly added item
+		mConversationsRoot->scrollToShowSelection();
+	}
+
+	return item;
+}
+
+bool LLFloaterIMContainer::removeConversationListItem(const LLUUID& uuid, bool change_focus)
+{
+	// Delete the widget and the associated conversation item
+	// Note : since the mConversationsItems is also the listener to the widget, deleting 
+	// the widget will also delete its listener
+	bool is_widget_selected = false;
+	LLFolderViewItem* new_selection = NULL;
+	LLFolderViewItem* widget = get_ptr_in_map(mConversationsWidgets,uuid);
+	if (widget)
+	{
+		is_widget_selected = widget->isSelected();
+		new_selection = mConversationsRoot->getNextFromChild(widget);
+		if (!new_selection)
+		{
+			new_selection = mConversationsRoot->getPreviousFromChild(widget);
+		}
+		widget->destroyView();
+	}
+	
+	// Suppress the conversation items and widgets from their respective maps
+	mConversationsItems.erase(uuid);
+	mConversationsWidgets.erase(uuid);
+	
+	// Don't let the focus fall IW, select and refocus on the first conversation in the list
+	if (change_focus)
+	{
+		setFocus(TRUE);
+		if (new_selection)
+		{
+			if (mConversationsWidgets.size() == 1)
+			{
+				// If only one widget is left, it has to be the Nearby Chat. Select it directly.
+				selectConversationPair(LLUUID(NULL), true);
+			}
+			else
+			{
+				LLConversationItem* vmi = dynamic_cast<LLConversationItem*>(new_selection->getViewModelItem());
+				if (vmi)
+				{
+					selectConversationPair(vmi->getUUID(), true);
+				}
+			}
+		}
+	}
+	return is_widget_selected;
+}
+
+LLConversationViewSession* LLFloaterIMContainer::createConversationItemWidget(LLConversationItem* item)
+{
+	LLConversationViewSession::Params params;
+	
+	params.name = item->getDisplayName();
+	params.root = mConversationsRoot;
+	params.listener = item;
+	params.tool_tip = params.name;
+	params.container = this;
+	
+    //Indentation for aligning the p2p converstation image with the nearby chat arrow
+    if(item->getType() == LLConversationItem::CONV_SESSION_1_ON_1)
+    {
+        params.folder_indentation = 3;
+    }
+
+	return LLUICtrlFactory::create<LLConversationViewSession>(params);
+}
+
+LLConversationViewParticipant* LLFloaterIMContainer::createConversationViewParticipant(LLConversationItem* item)
+{
+	LLConversationViewParticipant::Params params;
+    LLRect panel_rect = mConversationsListPanel->getRect();
+	
+	params.name = item->getDisplayName();
+	params.root = mConversationsRoot;
+	params.listener = item;
+
+    //24 is the the current hight of an item (itemHeight) loaded from conversation_view_participant.xml.
+	params.rect = LLRect (0, 24, panel_rect.getWidth(), 0);
+	params.tool_tip = params.name;
+	params.participant_id = item->getUUID();
+    params.folder_indentation = 27;
+
+	return LLUICtrlFactory::create<LLConversationViewParticipant>(params);
+}
+
+bool LLFloaterIMContainer::enableModerateContextMenuItem(const std::string& userdata)
+{
+	// only group moderators can perform actions related to this "enable callback"
+	if (!isGroupModerator())
+	{
+		return false;
+	}
+
+	LLSpeaker * speakerp = getSpeakerOfSelectedParticipant(getSpeakerMgrForSelectedParticipant());
+	if (NULL == speakerp)
+	{
+		return false;
+	}
+
+	bool voice_channel = speakerp->isInVoiceChannel();
+
+	if ("can_moderate_voice" == userdata || "can_mute_unmute" == userdata)
+	{
+		return voice_channel;
+	}
+
+	// The last invoke is used to check whether the "can_allow_text_chat" will enabled
+	return LLVoiceClient::getInstance()->isParticipantAvatar(getCurSelectedViewModelItem()->getUUID());
+}
+
+bool LLFloaterIMContainer::isGroupModerator()
+{
+	LLSpeakerMgr * speaker_manager = getSpeakerMgrForSelectedParticipant();
+	if (NULL == speaker_manager)
+	{
+		llwarns << "Speaker manager is missing" << llendl;
+		return false;
+	}
+
+	// Is session a group call/chat?
+	if(gAgent.isInGroup(speaker_manager->getSessionID()))
+	{
+		LLSpeaker * speaker = speaker_manager->findSpeaker(gAgentID).get();
+
+		// Is agent a moderator?
+		return speaker && speaker->mIsModerator;
+	}
+
+	return false;
+}
+
+void LLFloaterIMContainer::moderateVoice(const std::string& command, const LLUUID& userID)
+{
+	if (!gAgent.getRegion()) return;
+
+	if (command.compare("selected"))
+	{
+		moderateVoiceAllParticipants(command.compare("mute_all"));
+	}
+	else
+	{
+		moderateVoiceParticipant(userID, isMuted(userID));
+	}
+}
+
+bool LLFloaterIMContainer::isMuted(const LLUUID& avatar_id)
+{
+	const LLSpeaker * speakerp = getSpeakerOfSelectedParticipant(getSpeakerMgrForSelectedParticipant());
+	return NULL == speakerp ? true : speakerp->mStatus == LLSpeaker::STATUS_MUTED;
+}
+
+void LLFloaterIMContainer::moderateVoiceAllParticipants(bool unmute)
+{
+	LLIMSpeakerMgr * speaker_managerp = dynamic_cast<LLIMSpeakerMgr*>(getSpeakerMgrForSelectedParticipant());
+
+	if (NULL != speaker_managerp)
+	{
+		if (!unmute)
+		{
+			LLSD payload;
+			payload["session_id"] = speaker_managerp->getSessionID();
+			LLNotificationsUtil::add("ConfirmMuteAll", LLSD(), payload, confirmMuteAllCallback);
+			return;
+		}
+
+		speaker_managerp->moderateVoiceAllParticipants(unmute);
+	}
+}
+
+// static
+void LLFloaterIMContainer::confirmMuteAllCallback(const LLSD& notification, const LLSD& response)
+{
+	S32 option = LLNotificationsUtil::getSelectedOption(notification, response);
+	// if Cancel pressed
+	if (option == 1)
+	{
+		return;
+	}
+
+	const LLSD& payload = notification["payload"];
+	const LLUUID& session_id = payload["session_id"];
+
+	LLIMSpeakerMgr * speaker_manager = dynamic_cast<LLIMSpeakerMgr*> (
+		LLIMModel::getInstance()->getSpeakerManager(session_id));
+	if (speaker_manager)
+	{
+		speaker_manager->moderateVoiceAllParticipants(false);
+	}
+
+	return;
+}
+
+void LLFloaterIMContainer::moderateVoiceParticipant(const LLUUID& avatar_id, bool unmute)
+{
+	LLIMSpeakerMgr * speaker_managerp = dynamic_cast<LLIMSpeakerMgr *>(getSpeakerMgrForSelectedParticipant());
+
+	if (NULL != speaker_managerp)
+	{
+		speaker_managerp->moderateVoiceParticipant(avatar_id, unmute);
+	}
+}
+
+LLSpeakerMgr * LLFloaterIMContainer::getSpeakerMgrForSelectedParticipant()
+{
+	LLFolderViewItem *selectedItem = mConversationsRoot->getCurSelectedItem();
+	if (NULL == selectedItem)
+	{
+		llwarns << "Current selected item is null" << llendl;
+		return NULL;
+	}
+
+	conversations_widgets_map::const_iterator iter = mConversationsWidgets.begin();
+	conversations_widgets_map::const_iterator end = mConversationsWidgets.end();
+	const LLUUID * conversation_uuidp = NULL;
+	while(iter != end)
+	{
+		if (iter->second == selectedItem || iter->second == selectedItem->getParentFolder())
+		{
+			conversation_uuidp = &iter->first;
+			break;
+		}
+		++iter;
+	}
+	if (NULL == conversation_uuidp)
+	{
+		llwarns << "Cannot find conversation item widget" << llendl;
+		return NULL;
+	}
+
+	return conversation_uuidp->isNull() ? (LLSpeakerMgr *)LLLocalSpeakerMgr::getInstance()
+		: LLIMModel::getInstance()->getSpeakerManager(*conversation_uuidp);
+}
+
+LLSpeaker * LLFloaterIMContainer::getSpeakerOfSelectedParticipant(LLSpeakerMgr * speaker_managerp)
+{
+	if (NULL == speaker_managerp)
+	{
+		llwarns << "Speaker manager is missing" << llendl;
+		return NULL;
+	}
+
+	const LLConversationItem * participant_itemp = getCurSelectedViewModelItem();
+	if (NULL == participant_itemp)
+	{
+		llwarns << "Cannot evaluate current selected view model item" << llendl;
+		return NULL;
+	}
+
+	return speaker_managerp->findSpeaker(participant_itemp->getUUID());
+}
+
+void LLFloaterIMContainer::toggleAllowTextChat(const LLUUID& participant_uuid)
+{
+	LLIMSpeakerMgr * speaker_managerp = dynamic_cast<LLIMSpeakerMgr*>(getSpeakerMgrForSelectedParticipant());
+	if (NULL != speaker_managerp)
+	{
+		speaker_managerp->toggleAllowTextChat(participant_uuid);
+	}
+}
+
+void LLFloaterIMContainer::toggleMute(const LLUUID& participant_id, U32 flags)
+{
+        BOOL is_muted = LLMuteList::getInstance()->isMuted(participant_id, flags);
+        std::string name;
+        gCacheName->getFullName(participant_id, name);
+        LLMute mute(participant_id, name, LLMute::AGENT);
+
+        if (!is_muted)
+        {
+                LLMuteList::getInstance()->add(mute, flags);
+        }
+        else
+        {
+                LLMuteList::getInstance()->remove(mute, flags);
+        }
+}
+
+void LLFloaterIMContainer::openNearbyChat()
+{
+	// If there's only one conversation in the container and that conversation is the nearby chat
+	//(which it should be...), open it so to make the list of participants visible. This happens to be the most common case when opening the Chat floater.
+	if(mConversationsItems.size() == 1)
+	{
+		LLConversationViewSession* nearby_chat = dynamic_cast<LLConversationViewSession*>(get_ptr_in_map(mConversationsWidgets,LLUUID()));
+		if (nearby_chat)
+		{
+			reSelectConversation();
+			nearby_chat->setOpen(TRUE);
+		}
+	}
+}
+
+void LLFloaterIMContainer::onNearbyChatClosed()
+{
+	// If nearby chat is the only remaining conversation and it is closed, close whole conversation floater as well
+	if (mConversationsItems.size() == 1)
+		closeFloater();
+}
+
+void LLFloaterIMContainer::reSelectConversation()
+{
+	LLFloaterIMSessionTab* session_floater = LLFloaterIMSessionTab::getConversation(mSelectedSession);
+	if (session_floater->getHost())
+	{
+		selectFloater(session_floater);
+	}
+}
+
+void LLFloaterIMContainer::updateSpeakBtnState()
+{
+	LLButton* mSpeakBtn = getChild<LLButton>("speak_btn");
+	mSpeakBtn->setToggleState(LLVoiceClient::getInstance()->getUserPTTState());
+	mSpeakBtn->setEnabled(LLAgent::isActionAllowed("speak"));
+}
+
+bool LLFloaterIMContainer::isConversationLoggingAllowed()
+{
+	return gSavedSettings.getBOOL("KeepConversationLogTranscripts");
+}
+
+void LLFloaterIMContainer::flashConversationItemWidget(const LLUUID& session_id, bool is_flashes)
+{
+    //Finds the conversation line item to flash using the session_id
+	LLConversationViewSession * widget = dynamic_cast<LLConversationViewSession *>(get_ptr_in_map(mConversationsWidgets,session_id));
+
+	if (widget)
+	{
+		widget->setFlashState(is_flashes);
+	}
+}
+
+// EOF
diff --git a/indra/newview/llfloaterimcontainer.h b/indra/newview/llfloaterimcontainer.h
new file mode 100644
index 0000000000..85d950c58b
--- /dev/null
+++ b/indra/newview/llfloaterimcontainer.h
@@ -0,0 +1,199 @@
+/** 
+ * @file llfloaterimcontainer.h
+ * @brief Multifloater containing active IM sessions in separate tab container tabs
+ *
+ * $LicenseInfo:firstyear=2009&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLFLOATERIMCONTAINER_H
+#define LL_LLFLOATERIMCONTAINER_H
+
+#include <map>
+#include <vector>
+
+#include "llimview.h"
+#include "llevents.h"
+#include "../llui/llfloater.h"
+#include "../llui/llmultifloater.h"
+#include "llavatarpropertiesprocessor.h"
+#include "llgroupmgr.h"
+#include "../llui/lltrans.h"
+#include "llconversationmodel.h"
+#include "llconversationview.h"
+
+class LLButton;
+class LLLayoutPanel;
+class LLLayoutStack;
+class LLTabContainer;
+class LLFloaterIMContainer;
+class LLSpeaker;
+class LLSpeakerMgr;
+
+class LLFloaterIMContainer
+	: public LLMultiFloater
+	, public LLIMSessionObserver
+{
+public:
+	LLFloaterIMContainer(const LLSD& seed, const Params& params = getDefaultParams());
+	virtual ~LLFloaterIMContainer();
+	
+	/*virtual*/ BOOL postBuild();
+	/*virtual*/ void onOpen(const LLSD& key);
+	/*virtual*/ void draw();
+	/*virtual*/ void setVisible(BOOL visible);
+	/*virtual*/ void updateResizeLimits();
+	void onCloseFloater(LLUUID& id);
+
+	/*virtual*/ void addFloater(LLFloater* floaterp, 
+								BOOL select_added_floater, 
+								LLTabContainer::eInsertionPoint insertion_point = LLTabContainer::END);
+	void returnFloaterToHost();
+    void showConversation(const LLUUID& session_id);
+    void selectConversation(const LLUUID& session_id);
+    BOOL selectConversationPair(const LLUUID& session_id, bool select_widget);
+    void clearAllFlashStates();
+
+	/*virtual*/ void tabClose();
+	void showStub(bool visible);
+
+	static LLFloater* getCurrentVoiceFloater();
+	static LLFloaterIMContainer* findInstance();
+	static LLFloaterIMContainer* getInstance();
+
+	static void onCurrentChannelChanged(const LLUUID& session_id);
+
+	void collapseMessagesPane(bool collapse);
+	
+	// Callbacks
+	static void idle(void* user_data);
+
+	// LLIMSessionObserver observe triggers
+	/*virtual*/ void sessionAdded(const LLUUID& session_id, const std::string& name, const LLUUID& other_participant_id, BOOL has_offline_msg);
+    /*virtual*/ void sessionActivated(const LLUUID& session_id, const std::string& name, const LLUUID& other_participant_id);
+	/*virtual*/ void sessionVoiceOrIMStarted(const LLUUID& session_id);
+	/*virtual*/ void sessionRemoved(const LLUUID& session_id);
+	/*virtual*/ void sessionIDUpdated(const LLUUID& old_session_id, const LLUUID& new_session_id);
+
+	LLConversationViewModel& getRootViewModel() { return mConversationViewModel; }
+    LLUUID getSelectedSession() { return mSelectedSession; }
+    void setSelectedSession(LLUUID sessionID) { mSelectedSession = sessionID; }
+	LLConversationItem* getSessionModel(const LLUUID& session_id) { return get_ptr_in_map(mConversationsItems,session_id); }
+	LLConversationSort& getSortOrder() { return mConversationViewModel.getSorter(); }
+
+	void onNearbyChatClosed();
+
+	// Handling of lists of participants is public so to be common with llfloatersessiontab
+	// *TODO : Find a better place for this.
+    bool checkContextMenuItem(const std::string& item, uuid_vec_t& selectedIDS);
+    bool enableContextMenuItem(const std::string& item, uuid_vec_t& selectedIDS);
+    void doToParticipants(const std::string& item, uuid_vec_t& selectedIDS);
+
+	void assignResizeLimits();
+
+private:
+	typedef std::map<LLUUID,LLFloater*> avatarID_panel_map_t;
+	avatarID_panel_map_t mSessions;
+	boost::signals2::connection mNewMessageConnection;
+
+	/*virtual*/ void computeResizeLimits(S32& new_min_width, S32& new_min_height) {}
+
+	void onNewMessageReceived(const LLSD& data);
+
+	void onExpandCollapseButtonClicked();
+	void onStubCollapseButtonClicked();
+	void processParticipantsStyleUpdate();
+	void onSpeakButtonClicked();
+
+	void collapseConversationsPane(bool collapse);
+
+	void updateState(bool collapse, S32 delta_width);
+
+	void onAddButtonClicked();
+	void onAvatarPicked(const uuid_vec_t& ids);
+
+	BOOL isActionChecked(const LLSD& userdata);
+	void onCustomAction (const LLSD& userdata);
+	void setSortOrderSessions(const LLConversationFilter::ESortOrderType order);
+	void setSortOrderParticipants(const LLConversationFilter::ESortOrderType order);
+	void setSortOrder(const LLConversationSort& order);
+
+    void getSelectedUUIDs(uuid_vec_t& selected_uuids);
+    const LLConversationItem * getCurSelectedViewModelItem();
+    void getParticipantUUIDs(uuid_vec_t& selected_uuids);
+    void doToSelected(const LLSD& userdata);
+    bool checkContextMenuItem(const LLSD& userdata);
+    bool enableContextMenuItem(const LLSD& userdata);
+    void doToSelectedConversation(const std::string& command, uuid_vec_t& selectedIDS);
+    void doToSelectedGroup(const LLSD& userdata);
+
+	static void confirmMuteAllCallback(const LLSD& notification, const LLSD& response);
+	bool enableModerateContextMenuItem(const std::string& userdata);
+	LLSpeaker * getSpeakerOfSelectedParticipant(LLSpeakerMgr * speaker_managerp);
+	LLSpeakerMgr * getSpeakerMgrForSelectedParticipant();
+	bool isGroupModerator();
+	bool isMuted(const LLUUID& avatar_id);
+	void moderateVoice(const std::string& command, const LLUUID& userID);
+	void moderateVoiceAllParticipants(bool unmute);
+	void moderateVoiceParticipant(const LLUUID& avatar_id, bool unmute);
+	void toggleAllowTextChat(const LLUUID& participant_uuid);
+	void toggleMute(const LLUUID& participant_id, U32 flags);
+	void openNearbyChat();
+
+	LLButton* mExpandCollapseBtn;
+	LLButton* mStubCollapseBtn;
+	LLPanel* mStubPanel;
+	LLTextBox* mStubTextBox;
+	LLLayoutPanel* mMessagesPane;
+	LLLayoutPanel* mConversationsPane;
+	LLLayoutStack* mConversationsStack;
+	
+	bool mInitialized;
+
+	LLUUID mSelectedSession;
+
+	// Conversation list implementation
+public:
+	bool removeConversationListItem(const LLUUID& uuid, bool change_focus = true);
+	LLConversationItem* addConversationListItem(const LLUUID& uuid, bool isWidgetSelected = false);
+	void setTimeNow(const LLUUID& session_id, const LLUUID& participant_id);
+	void setNearbyDistances();
+	void reSelectConversation();
+	void updateSpeakBtnState();
+	static bool isConversationLoggingAllowed();
+	void flashConversationItemWidget(const LLUUID& session_id, bool is_flashes);
+	boost::signals2::connection mMicroChangedSignal;
+
+private:
+	LLConversationViewSession* createConversationItemWidget(LLConversationItem* item);
+	LLConversationViewParticipant* createConversationViewParticipant(LLConversationItem* item);
+	bool onConversationModelEvent(const LLSD& event);
+
+	// Conversation list data
+	LLPanel* mConversationsListPanel;	// This is the main widget we add conversation widget to
+	conversations_items_map mConversationsItems;
+	conversations_widgets_map mConversationsWidgets;
+	LLConversationViewModel mConversationViewModel;
+	LLFolderView* mConversationsRoot;
+	LLEventStream mConversationsEventStream; 
+};
+
+#endif // LL_LLFLOATERIMCONTAINER_H
diff --git a/indra/newview/llnearbychatbar.cpp b/indra/newview/llfloaterimnearbychat.cpp
index f8f0f7d243..797d590e1f 100644
--- a/indra/newview/llnearbychatbar.cpp
+++ b/indra/newview/llfloaterimnearbychat.cpp
@@ -1,6 +1,6 @@
 /** 
- * @file llnearbychatbar.cpp
- * @brief LLNearbyChatBar class implementation
+ * @file LLFloaterIMNearbyChat.cpp
+ * @brief LLFloaterIMNearbyChat class implementation
  *
  * $LicenseInfo:firstyear=2002&license=viewerlgpl$
  * Second Life Viewer Source Code
@@ -28,14 +28,31 @@
 
 #include "message.h"
 
+#include "lliconctrl.h"
 #include "llappviewer.h"
+#include "llchatentry.h"
+#include "llfloaterreg.h"
+#include "lltrans.h"
+#include "llfloaterimcontainer.h"
+#include "llfloatersidepanelcontainer.h"
+#include "llfocusmgr.h"
+#include "lllogchat.h"
+#include "llresizebar.h"
+#include "llresizehandle.h"
+#include "lldraghandle.h"
+#include "llmenugl.h"
+#include "llviewermenu.h" // for gMenuHolder
+#include "llfloaterimnearbychathandler.h"
+#include "llchannelmanager.h"
+#include "llchathistory.h"
+#include "llstylemap.h"
+#include "llavatarnamecache.h"
 #include "llfloaterreg.h"
 #include "lltrans.h"
 
 #include "llfirstuse.h"
-#include "llnearbychatbar.h"
-#include "llnearbychatbarlistener.h"
-#include "llagent.h"
+#include "llfloaterimnearbychat.h"
+#include "llagent.h" // gAgent
 #include "llgesturemgr.h"
 #include "llmultigesture.h"
 #include "llkeyboard.h"
@@ -48,15 +65,11 @@
 #include "llviewerwindow.h"
 #include "llrootview.h"
 #include "llviewerchat.h"
-#include "llnearbychat.h"
 #include "lltranslate.h"
 
-#include "llresizehandle.h"
-#include "llautoreplace.h"
-
-S32 LLNearbyChatBar::sLastSpecialChatChannel = 0;
+S32 LLFloaterIMNearbyChat::sLastSpecialChatChannel = 0;
 
-const S32 EXPANDED_HEIGHT = 300;
+const S32 EXPANDED_HEIGHT = 266;
 const S32 COLLAPSED_HEIGHT = 60;
 const S32 EXPANDED_MIN_HEIGHT = 150;
 
@@ -73,127 +86,236 @@ static LLChatTypeTrigger sChatTypeTriggers[] = {
 	{ "/shout"	, CHAT_TYPE_SHOUT}
 };
 
-LLNearbyChatBar::LLNearbyChatBar(const LLSD& key)
-:	LLFloater(key),
-	mChatBox(NULL),
-	mNearbyChat(NULL),
-	mOutputMonitor(NULL),
+
+LLFloaterIMNearbyChat::LLFloaterIMNearbyChat(const LLSD& llsd)
+:	LLFloaterIMSessionTab(llsd),
+	//mOutputMonitor(NULL),
 	mSpeakerMgr(NULL),
 	mExpandedHeight(COLLAPSED_HEIGHT + EXPANDED_HEIGHT)
 {
+    mIsP2PChat = false;
+	mIsNearbyChat = true;
 	mSpeakerMgr = LLLocalSpeakerMgr::getInstance();
-	mListener.reset(new LLNearbyChatBarListener(*this));
+	mSessionID = LLUUID();
+}
+
+//static
+LLFloaterIMNearbyChat* LLFloaterIMNearbyChat::buildFloater(const LLSD& key)
+{
+    LLFloaterReg::getInstance("im_container");
+    return new LLFloaterIMNearbyChat(key);
 }
 
 //virtual
-BOOL LLNearbyChatBar::postBuild()
+BOOL LLFloaterIMNearbyChat::postBuild()
 {
-	mChatBox = getChild<LLLineEditor>("chat_box");
+    setIsSingleInstance(TRUE);
+    BOOL result = LLFloaterIMSessionTab::postBuild();
+	
+	mInputEditor->setCommitCallback(boost::bind(&LLFloaterIMNearbyChat::onChatBoxCommit, this));
+	mInputEditor->setKeystrokeCallback(boost::bind(&LLFloaterIMNearbyChat::onChatBoxKeystroke, this));
+	mInputEditor->setFocusLostCallback(boost::bind(&LLFloaterIMNearbyChat::onChatBoxFocusLost, this));
+	mInputEditor->setFocusReceivedCallback(boost::bind(&LLFloaterIMNearbyChat::onChatBoxFocusReceived, this));
+	mInputEditor->setLabel(LLTrans::getString("NearbyChatTitle"));
 
-	mChatBox->setAutoreplaceCallback(boost::bind(&LLAutoReplace::autoreplaceCallback, LLAutoReplace::getInstance(), _1, _2));
-	mChatBox->setCommitCallback(boost::bind(&LLNearbyChatBar::onChatBoxCommit, this));
-	mChatBox->setKeystrokeCallback(&onChatBoxKeystroke, this);
-	mChatBox->setFocusLostCallback(boost::bind(&onChatBoxFocusLost, _1, this));
-	mChatBox->setFocusReceivedCallback(boost::bind(&LLNearbyChatBar::onChatBoxFocusReceived, this));
+	// Title must be defined BEFORE call to addConversationListItem() because
+	// it is used to show the item's name in the conversations list
+	setTitle(LLTrans::getString("NearbyChatTitle"));
 
-	mChatBox->setIgnoreArrowKeys( FALSE ); 
-	mChatBox->setCommitOnFocusLost( FALSE );
-	mChatBox->setRevertOnEsc( FALSE );
-	mChatBox->setIgnoreTab(TRUE);
-	mChatBox->setPassDelete(TRUE);
-	mChatBox->setReplaceNewlinesWithSpaces(FALSE);
-	mChatBox->setEnableLineHistory(TRUE);
-	mChatBox->setFont(LLViewerChat::getChatFont());
+	// obsolete, but may be needed for backward compatibility?
+	gSavedSettings.declareS32("nearbychat_showicons_and_names", 2, "NearByChat header settings", true);
 
-	mNearbyChat = getChildView("nearby_chat");
+	if (gSavedPerAccountSettings.getBOOL("LogShowHistory"))
+	{
+		loadHistory();
+	}
 
-	gSavedSettings.declareBOOL("nearbychat_history_visibility", mNearbyChat->getVisible(), "Visibility state of nearby chat history", TRUE);
-	BOOL show_nearby_chat = gSavedSettings.getBOOL("nearbychat_history_visibility");
+	return result;
+}
 
-	LLButton* show_btn = getChild<LLButton>("show_nearby_chat");
-	show_btn->setCommitCallback(boost::bind(&LLNearbyChatBar::onToggleNearbyChatPanel, this));
-	show_btn->setToggleState(show_nearby_chat);
+// virtual
+void LLFloaterIMNearbyChat::refresh()
+{
+	displaySpeakingIndicator();
+	updateCallBtnState(LLVoiceClient::getInstance()->getUserPTTState());
 
-	mOutputMonitor = getChild<LLOutputMonitorCtrl>("chat_zone_indicator");
-	mOutputMonitor->setVisible(FALSE);
+	// *HACK: Update transparency type depending on whether our children have focus.
+	// This is needed because this floater is chrome and thus cannot accept focus, so
+	// the transparency type setting code from LLFloater::setFocus() isn't reached.
+	if (getTransparencyType() != TT_DEFAULT)
+	{
+		setTransparencyType(hasFocus() ? TT_ACTIVE : TT_INACTIVE);
+	}
+}
+
+void LLFloaterIMNearbyChat::reloadMessages()
+{
+	mChatHistory->clear();
+
+	LLSD do_not_log;
+	do_not_log["do_not_log"] = true;
+	for(std::vector<LLChat>::iterator it = mMessageArchive.begin();it!=mMessageArchive.end();++it)
+	{
+		// Update the messages without re-writing them to a log file.
+		addMessage(*it,false, do_not_log);
+	}
+}
+
+void LLFloaterIMNearbyChat::loadHistory()
+{
+	LLSD do_not_log;
+	do_not_log["do_not_log"] = true;
 
-	showNearbyChatPanel(show_nearby_chat);
+	std::list<LLSD> history;
+	LLLogChat::loadChatHistory("chat", history);
 
-	// Register for font change notifications
-	LLViewerChat::setFontChangedCallback(boost::bind(&LLNearbyChatBar::onChatFontChange, this, _1));
+	std::list<LLSD>::const_iterator it = history.begin();
+	while (it != history.end())
+	{
+		const LLSD& msg = *it;
 
-	enableResizeCtrls(true, true, false);
+		std::string from = msg[IM_FROM];
+		LLUUID from_id;
+		if (msg[IM_FROM_ID].isDefined())
+		{
+			from_id = msg[IM_FROM_ID].asUUID();
+		}
+		else
+ 		{
+			std::string legacy_name = gCacheName->buildLegacyName(from);
+ 			gCacheName->getUUID(legacy_name, from_id);
+ 		}
+
+		LLChat chat;
+		chat.mFromName = from;
+		chat.mFromID = from_id;
+		chat.mText = msg[IM_TEXT].asString();
+		chat.mTimeStr = msg[IM_TIME].asString();
+		chat.mChatStyle = CHAT_STYLE_HISTORY;
+
+		chat.mSourceType = CHAT_SOURCE_AGENT;
+		if (from_id.isNull() && SYSTEM_FROM == from)
+		{
+			chat.mSourceType = CHAT_SOURCE_SYSTEM;
 
-	return TRUE;
+		}
+		else if (from_id.isNull())
+		{
+			chat.mSourceType = isWordsName(from) ? CHAT_SOURCE_UNKNOWN : CHAT_SOURCE_OBJECT;
+		}
+
+		addMessage(chat, true, do_not_log);
+
+		it++;
+	}
 }
 
-// virtual
-void LLNearbyChatBar::onOpen(const LLSD& key)
+void LLFloaterIMNearbyChat::removeScreenChat()
 {
-	showTranslationCheckbox(LLTranslate::isTranslationConfigured());
+	LLNotificationsUI::LLScreenChannelBase* chat_channel = LLNotificationsUI::LLChannelManager::getInstance()->findChannelByID(LLUUID(gSavedSettings.getString("NearByChatChannelUUID")));
+	if(chat_channel)
+	{
+		chat_channel->removeToastsFromChannel();
+	}
 }
 
-bool LLNearbyChatBar::applyRectControl()
+
+void LLFloaterIMNearbyChat::setVisible(BOOL visible)
 {
-	bool rect_controlled = LLFloater::applyRectControl();
+	LLFloaterIMSessionTab::setVisible(visible);
 
-	if (!mNearbyChat->getVisible())
+	if(visible)
 	{
-		reshape(getRect().getWidth(), getMinHeight());
-		enableResizeCtrls(true, true, false);
+		removeScreenChat();
 	}
-	else
+}
+
+// virtual
+void LLFloaterIMNearbyChat::onTearOffClicked()
+{
+	LLFloaterIMSessionTab::onTearOffClicked();
+
+	// see CHUI-170: Save torn-off state of the nearby chat between sessions
+	BOOL in_the_multifloater = !isTornOff();
+	gSavedSettings.setBOOL("NearbyChatIsNotTornOff", in_the_multifloater);
+}
+
+
+// virtual
+void LLFloaterIMNearbyChat::onOpen(const LLSD& key)
+{
+	LLFloaterIMSessionTab::onOpen(key);
+	showTranslationCheckbox(LLTranslate::isTranslationConfigured());
+}
+
+// virtual
+void LLFloaterIMNearbyChat::onClose(bool app_quitting)
+{
+	// Override LLFloaterIMSessionTab::onClose() so that Nearby Chat is not removed from the conversation floater
+}
+
+// virtual
+void LLFloaterIMNearbyChat::onClickCloseBtn()
+{
+	if (!isTornOff())
+		return;
+	onTearOffClicked();
+	
+	LLFloaterIMContainer *im_box = LLFloaterIMContainer::findInstance();
+	if (im_box)
 	{
-		enableResizeCtrls(true);
-		setResizeLimits(getMinWidth(), EXPANDED_MIN_HEIGHT);
+		im_box->onNearbyChatClosed();
 	}
-	
-	return rect_controlled;
 }
 
-void LLNearbyChatBar::onChatFontChange(LLFontGL* fontp)
+void LLFloaterIMNearbyChat::onChatFontChange(LLFontGL* fontp)
 {
 	// Update things with the new font whohoo
-	if (mChatBox)
+	if (mInputEditor)
 	{
-		mChatBox->setFont(fontp);
+		mInputEditor->setFont(fontp);
 	}
 }
 
-//static
-LLNearbyChatBar* LLNearbyChatBar::getInstance()
-{
-	return LLFloaterReg::getTypedInstance<LLNearbyChatBar>("chat_bar");
-}
 
-void LLNearbyChatBar::showHistory()
+void LLFloaterIMNearbyChat::show()
 {
-	openFloater();
-
-	if (!getChildView("nearby_chat")->getVisible())
+	if (isChatMultiTab())
 	{
-		onToggleNearbyChatPanel();
+		openFloater(getKey());
 	}
 }
 
-void LLNearbyChatBar::showTranslationCheckbox(BOOL show)
+bool LLFloaterIMNearbyChat::isChatVisible() const
 {
-	getChild<LLUICtrl>("translate_chat_checkbox_lp")->setVisible(show);
+	bool isVisible = false;
+	LLFloaterIMContainer* im_box = LLFloaterIMContainer::getInstance();
+	// Is the IM floater container ever null?
+	llassert(im_box != NULL);
+	if (im_box != NULL)
+	{
+		isVisible =
+				isChatMultiTab() && gSavedSettings.getBOOL("NearbyChatIsNotTornOff")?
+						im_box->getVisible() && !im_box->isMinimized() :
+						getVisible() && !isMinimized();
+	}
+
+	return isVisible;
 }
 
-void LLNearbyChatBar::draw()
+void LLFloaterIMNearbyChat::showHistory()
 {
-	displaySpeakingIndicator();
-	LLFloater::draw();
+	openFloater();
+	setResizeLimits(getMinWidth(), EXPANDED_MIN_HEIGHT);
 }
 
-std::string LLNearbyChatBar::getCurrentChat()
+std::string LLFloaterIMNearbyChat::getCurrentChat()
 {
-	return mChatBox ? mChatBox->getText() : LLStringUtil::null;
+	return mInputEditor ? mInputEditor->getText() : LLStringUtil::null;
 }
 
 // virtual
-BOOL LLNearbyChatBar::handleKeyHere( KEY key, MASK mask )
+BOOL LLFloaterIMNearbyChat::handleKeyHere( KEY key, MASK mask )
 {
 	BOOL handled = FALSE;
 
@@ -207,36 +329,36 @@ BOOL LLNearbyChatBar::handleKeyHere( KEY key, MASK mask )
 	return handled;
 }
 
-BOOL LLNearbyChatBar::matchChatTypeTrigger(const std::string& in_str, std::string* out_str)
+BOOL LLFloaterIMNearbyChat::matchChatTypeTrigger(const std::string& in_str, std::string* out_str)
 {
 	U32 in_len = in_str.length();
 	S32 cnt = sizeof(sChatTypeTriggers) / sizeof(*sChatTypeTriggers);
 	
-	for (S32 n = 0; n < cnt; n++)
-	{
-		if (in_len > sChatTypeTriggers[n].name.length())
-			continue;
-
-		std::string trigger_trunc = sChatTypeTriggers[n].name;
-		LLStringUtil::truncate(trigger_trunc, in_len);
+	bool string_was_found = false;
 
-		if (!LLStringUtil::compareInsensitive(in_str, trigger_trunc))
+	for (S32 n = 0; n < cnt && !string_was_found; n++)
+	{
+		if (in_len <= sChatTypeTriggers[n].name.length())
 		{
-			*out_str = sChatTypeTriggers[n].name;
-			return TRUE;
+			std::string trigger_trunc = sChatTypeTriggers[n].name;
+			LLStringUtil::truncate(trigger_trunc, in_len);
+
+			if (!LLStringUtil::compareInsensitive(in_str, trigger_trunc))
+			{
+				*out_str = sChatTypeTriggers[n].name;
+				string_was_found = true;
+			}
 		}
 	}
 
-	return FALSE;
+	return string_was_found;
 }
 
-void LLNearbyChatBar::onChatBoxKeystroke(LLLineEditor* caller, void* userdata)
+void LLFloaterIMNearbyChat::onChatBoxKeystroke()
 {
 	LLFirstUse::otherAvatarChatFirst(false);
 
-	LLNearbyChatBar* self = (LLNearbyChatBar *)userdata;
-
-	LLWString raw_text = self->mChatBox->getWText();
+	LLWString raw_text = mInputEditor->getWText();
 
 	// Can't trim the end, because that will cause autocompletion
 	// to eat trailing spaces that might be part of a gesture.
@@ -262,8 +384,8 @@ void LLNearbyChatBar::onChatBoxKeystroke(LLLineEditor* caller, void* userdata)
 		// the selection will already be deleted, but we need to trim
 		// off the character before
 		std::string new_text = raw_text.substr(0, length-1);
-		self->mInputEditor->setText( new_text );
-		self->mInputEditor->setCursorToEnd();
+		mInputEditor->setText( new_text );
+		mInputEditor->setCursorToEnd();
 		length = length - 1;
 	}
 	*/
@@ -283,18 +405,17 @@ void LLNearbyChatBar::onChatBoxKeystroke(LLLineEditor* caller, void* userdata)
 		if (LLGestureMgr::instance().matchPrefix(utf8_trigger, &utf8_out_str))
 		{
 			std::string rest_of_match = utf8_out_str.substr(utf8_trigger.size());
-			self->mChatBox->setText(utf8_trigger + rest_of_match); // keep original capitalization for user-entered part
-			S32 outlength = self->mChatBox->getLength(); // in characters
+			mInputEditor->setText(utf8_trigger + rest_of_match); // keep original capitalization for user-entered part
 
 			// Select to end of line, starting from the character
 			// after the last one the user typed.
-			self->mChatBox->setSelection(length, outlength);
+			mInputEditor->selectNext(rest_of_match, false);
 		}
 		else if (matchChatTypeTrigger(utf8_trigger, &utf8_out_str))
 		{
 			std::string rest_of_match = utf8_out_str.substr(utf8_trigger.size());
-			self->mChatBox->setText(utf8_trigger + rest_of_match + " "); // keep original capitalization for user-entered part
-			self->mChatBox->setCursorToEnd();
+			mInputEditor->setText(utf8_trigger + rest_of_match + " "); // keep original capitalization for user-entered part
+			mInputEditor->endOfDoc();
 		}
 
 		//llinfos << "GESTUREDEBUG " << trigger 
@@ -305,18 +426,18 @@ void LLNearbyChatBar::onChatBoxKeystroke(LLLineEditor* caller, void* userdata)
 }
 
 // static
-void LLNearbyChatBar::onChatBoxFocusLost(LLFocusableElement* caller, void* userdata)
+void LLFloaterIMNearbyChat::onChatBoxFocusLost()
 {
 	// stop typing animation
 	gAgent.stopTyping();
 }
 
-void LLNearbyChatBar::onChatBoxFocusReceived()
+void LLFloaterIMNearbyChat::onChatBoxFocusReceived()
 {
-	mChatBox->setEnabled(!gDisconnected);
+	mInputEditor->setEnabled(!gDisconnected);
 }
 
-EChatType LLNearbyChatBar::processChatTypeTriggers(EChatType type, std::string &str)
+EChatType LLFloaterIMNearbyChat::processChatTypeTriggers(EChatType type, std::string &str)
 {
 	U32 length = str.length();
 	S32 cnt = sizeof(sChatTypeTriggers) / sizeof(*sChatTypeTriggers);
@@ -348,15 +469,15 @@ EChatType LLNearbyChatBar::processChatTypeTriggers(EChatType type, std::string &
 	return type;
 }
 
-void LLNearbyChatBar::sendChat( EChatType type )
+void LLFloaterIMNearbyChat::sendChat( EChatType type )
 {
-	if (mChatBox)
+	if (mInputEditor)
 	{
-		LLWString text = mChatBox->getConvertedText();
+		LLWString text = mInputEditor->getWText();
+		LLWStringUtil::trim(text);
+		LLWStringUtil::replaceChar(text,182,'\n'); // Convert paragraph symbols back into newlines.
 		if (!text.empty())
 		{
-			// store sent line in history, duplicates will get filtered
-			mChatBox->updateHistory();
 			// Check if this is destined for another channel
 			S32 channel = 0;
 			stripChannelNumber(text, &channel);
@@ -385,7 +506,7 @@ void LLNearbyChatBar::sendChat( EChatType type )
 			}
 		}
 
-		mChatBox->setText(LLStringExplicit(""));
+		mInputEditor->setText(LLStringExplicit(""));
 	}
 
 	gAgent.stopTyping();
@@ -398,51 +519,43 @@ void LLNearbyChatBar::sendChat( EChatType type )
 	}
 }
 
-void LLNearbyChatBar::showNearbyChatPanel(bool show)
+void	LLFloaterIMNearbyChat::addMessage(const LLChat& chat,bool archive,const LLSD &args)
 {
-	if (!show)
+	appendMessage(chat, args);
+
+	if(archive)
 	{
-		if (mNearbyChat->getVisible() && !isMinimized())
-		{
-			mExpandedHeight = getRect().getHeight();
-		}
-		setResizeLimits(getMinWidth(), COLLAPSED_HEIGHT);
-		mNearbyChat->setVisible(FALSE);
-		reshape(getRect().getWidth(), COLLAPSED_HEIGHT);
-		enableResizeCtrls(true, true, false);
-		storeRectControl();
+		mMessageArchive.push_back(chat);
+		if(mMessageArchive.size()>200)
+			mMessageArchive.erase(mMessageArchive.begin());
 	}
-	else
+
+	// logging
+	if (!args["do_not_log"].asBoolean()
+			&& gSavedPerAccountSettings.getBOOL("LogNearbyChat"))
 	{
-		mNearbyChat->setVisible(TRUE);
-		setResizeLimits(getMinWidth(), EXPANDED_MIN_HEIGHT);
-		reshape(getRect().getWidth(), mExpandedHeight);
-		enableResizeCtrls(true);
-		storeRectControl();
-	}
+		std::string from_name = chat.mFromName;
 
-	gSavedSettings.setBOOL("nearbychat_history_visibility", mNearbyChat->getVisible());
-}
+		if (chat.mSourceType == CHAT_SOURCE_AGENT)
+		{
+			// if the chat is coming from an agent, log the complete name
+			LLAvatarName av_name;
+			LLAvatarNameCache::get(chat.mFromID, &av_name);
 
-void LLNearbyChatBar::onToggleNearbyChatPanel()
-{
-	showNearbyChatPanel(!mNearbyChat->getVisible());
-}
+			if (!av_name.isDisplayNameDefault())
+			{
+				from_name = av_name.getCompleteName();
+			}
+		}
 
-void LLNearbyChatBar::setMinimized(BOOL b)
-{
-	LLNearbyChat* nearby_chat = getChild<LLNearbyChat>("nearby_chat");
-	// when unminimizing with nearby chat visible, go ahead and kill off screen chats
-	if (!b && nearby_chat->getVisible())
-	{
-		nearby_chat->removeScreenChat();
+		LLLogChat::saveHistory("chat", from_name, chat.mFromID, chat.mText);
 	}
-		LLFloater::setMinimized(b);
 }
 
-void LLNearbyChatBar::onChatBoxCommit()
+
+void LLFloaterIMNearbyChat::onChatBoxCommit()
 {
-	if (mChatBox->getText().length() > 0)
+	if (mInputEditor->getText().length() > 0)
 	{
 		sendChat(CHAT_TYPE_NORMAL);
 	}
@@ -450,13 +563,13 @@ void LLNearbyChatBar::onChatBoxCommit()
 	gAgent.stopTyping();
 }
 
-void LLNearbyChatBar::displaySpeakingIndicator()
+void LLFloaterIMNearbyChat::displaySpeakingIndicator()
 {
 	LLSpeakerMgr::speaker_list_t speaker_list;
 	LLUUID id;
 
 	id.setNull();
-	mSpeakerMgr->update(TRUE);
+	mSpeakerMgr->update(FALSE);
 	mSpeakerMgr->getSpeakerList(&speaker_list, FALSE);
 
 	for (LLSpeakerMgr::speaker_list_t::iterator i = speaker_list.begin(); i != speaker_list.end(); ++i)
@@ -468,24 +581,14 @@ void LLNearbyChatBar::displaySpeakingIndicator()
 			break;
 		}
 	}
-
-	if (!id.isNull())
-	{
-		mOutputMonitor->setVisible(TRUE);
-		mOutputMonitor->setSpeakerId(id);
-	}
-	else
-	{
-		mOutputMonitor->setVisible(FALSE);
-	}
 }
 
-void LLNearbyChatBar::sendChatFromViewer(const std::string &utf8text, EChatType type, BOOL animate)
+void LLFloaterIMNearbyChat::sendChatFromViewer(const std::string &utf8text, EChatType type, BOOL animate)
 {
 	sendChatFromViewer(utf8str_to_wstring(utf8text), type, animate);
 }
 
-void LLNearbyChatBar::sendChatFromViewer(const LLWString &wtext, EChatType type, BOOL animate)
+void LLFloaterIMNearbyChat::sendChatFromViewer(const LLWString &wtext, EChatType type, BOOL animate)
 {
 	// Look for "/20 foo" channel chats.
 	S32 channel = 0;
@@ -535,44 +638,61 @@ void LLNearbyChatBar::sendChatFromViewer(const LLWString &wtext, EChatType type,
 }
 
 // static 
-void LLNearbyChatBar::startChat(const char* line)
+bool LLFloaterIMNearbyChat::isWordsName(const std::string& name)
 {
-	LLNearbyChatBar* cb = LLNearbyChatBar::getInstance();
-
-	if (!cb )
-		return;
-
-	cb->setVisible(TRUE);
-	cb->setFocus(TRUE);
-	cb->mChatBox->setFocus(TRUE);
+	// checking to see if it's display name plus username in parentheses
+	S32 open_paren = name.find(" (", 0);
+	S32 close_paren = name.find(')', 0);
 
-	if (line)
+	if (open_paren != std::string::npos &&
+		close_paren == name.length()-1)
 	{
-		std::string line_string(line);
-		cb->mChatBox->setText(line_string);
+		return true;
+	}
+	else
+	{
+		//checking for a single space
+		S32 pos = name.find(' ', 0);
+		return std::string::npos != pos && name.rfind(' ', name.length()) == pos && 0 != pos && name.length()-1 != pos;
 	}
-
-	cb->mChatBox->setCursorToEnd();
 }
 
-// Exit "chat mode" and do the appropriate focus changes
-// static
-void LLNearbyChatBar::stopChat()
+// static 
+void LLFloaterIMNearbyChat::startChat(const char* line)
 {
-	LLNearbyChatBar* cb = LLNearbyChatBar::getInstance();
+	LLFloaterIMNearbyChat* nearby_chat = LLFloaterReg::getTypedInstance<LLFloaterIMNearbyChat>("nearby_chat");
+	if (nearby_chat)
+	{
+		nearby_chat->show();
+		nearby_chat->setVisible(TRUE);
+		nearby_chat->setFocus(TRUE);
+		nearby_chat->mInputEditor->setFocus(TRUE);
 
-	if (!cb)
-		return;
+		if (line)
+		{
+			std::string line_string(line);
+			nearby_chat->mInputEditor->setText(line_string);
+		}
 
-	cb->mChatBox->setFocus(FALSE);
+		nearby_chat->mInputEditor->endOfDoc();
+	}
+}
 
- 	// stop typing animation
- 	gAgent.stopTyping();
+// Exit "chat mode" and do the appropriate focus changes
+// static
+void LLFloaterIMNearbyChat::stopChat()
+{
+	LLFloaterIMNearbyChat* nearby_chat = LLFloaterReg::getTypedInstance<LLFloaterIMNearbyChat>("nearby_chat");
+	if (nearby_chat)
+	{
+		nearby_chat->mInputEditor->setFocus(FALSE);
+	    gAgent.stopTyping();
+	}
 }
 
 // If input of the form "/20foo" or "/20 foo", returns "foo" and channel 20.
 // Otherwise returns input and channel 0.
-LLWString LLNearbyChatBar::stripChannelNumber(const LLWString &mesg, S32* channel)
+LLWString LLFloaterIMNearbyChat::stripChannelNumber(const LLWString &mesg, S32* channel)
 {
 	if (mesg[0] == '/'
 		&& mesg[1] == '/')
@@ -676,5 +796,3 @@ public:
 
 // Creating the object registers with the dispatcher.
 LLChatCommandHandler gChatHandler;
-
-
diff --git a/indra/newview/llnearbychatbar.h b/indra/newview/llfloaterimnearbychat.h
index 662496d338..f4213eda5a 100644
--- a/indra/newview/llnearbychatbar.h
+++ b/indra/newview/llfloaterimnearbychat.h
@@ -1,6 +1,6 @@
 /** 
- * @file llnearbychatbar.h
- * @brief LLNearbyChatBar class definition
+ * @file llfloaterimnearbychat.h
+ * @brief LLFloaterIMNearbyChat class definition
  *
  * $LicenseInfo:firstyear=2002&license=viewerlgpl$
  * Second Life Viewer Source Code
@@ -24,38 +24,51 @@
  * $/LicenseInfo$
  */
 
-#ifndef LL_LLNEARBYCHATBAR_H
-#define LL_LLNEARBYCHATBAR_H
+#ifndef LL_LLFLOATERIMNEARBYCHAT_H
+#define LL_LLFLOATERIMNEARBYCHAT_H
 
-#include "llfloater.h"
+#include "llfloaterimsessiontab.h"
 #include "llcombobox.h"
 #include "llgesturemgr.h"
 #include "llchat.h"
 #include "llvoiceclient.h"
 #include "lloutputmonitorctrl.h"
 #include "llspeakers.h"
+#include "llscrollbar.h"
+#include "llviewerchat.h"
+#include "llpanel.h"
 
-class LLNearbyChatBarListener;
+class LLResizeBar;
 
-class LLNearbyChatBar :	public LLFloater
+class LLFloaterIMNearbyChat
+	:	public LLFloaterIMSessionTab
 {
-	LOG_CLASS(LLNearbyChatBar);
-
 public:
 	// constructor for inline chat-bars (e.g. hosted in chat history window)
-	LLNearbyChatBar(const LLSD& key);
-	~LLNearbyChatBar() {}
+	LLFloaterIMNearbyChat(const LLSD& key = LLSD(LLUUID()));
+	~LLFloaterIMNearbyChat() {}
+
+	static LLFloaterIMNearbyChat* buildFloater(const LLSD& key);
 
-	virtual BOOL postBuild();
+	/*virtual*/ BOOL postBuild();
 	/*virtual*/ void onOpen(const LLSD& key);
+	/*virtual*/ void onClose(bool app_quitting);
+	/*virtual*/ void setVisible(BOOL visible);
 
-	static LLNearbyChatBar* getInstance();
+	void loadHistory();
+    void reloadMessages();
+	void removeScreenChat();
 
-	LLLineEditor* getChatBox() { return mChatBox; }
+	void show();
+	bool isChatVisible() const;
 
-	virtual void draw();
+	/** @param archive true - to save a message to the chat history log */
+	void	addMessage			(const LLChat& message,bool archive = true, const LLSD &args = LLSD());
+
+	LLChatEntry* getChatBox() { return mInputEditor; }
 
 	std::string getCurrentChat();
+
 	virtual BOOL handleKeyHere( KEY key, MASK mask );
 
 	static void startChat(const char* line);
@@ -64,24 +77,22 @@ public:
 	static void sendChatFromViewer(const std::string &utf8text, EChatType type, BOOL animate);
 	static void sendChatFromViewer(const LLWString &wtext, EChatType type, BOOL animate);
 
+	static bool isWordsName(const std::string& name);
+
 	void showHistory();
-	void showTranslationCheckbox(BOOL show);
-	/*virtual*/void setMinimized(BOOL b);
 
 protected:
 	static BOOL matchChatTypeTrigger(const std::string& in_str, std::string* out_str);
-	static void onChatBoxKeystroke(LLLineEditor* caller, void* userdata);
-	static void onChatBoxFocusLost(LLFocusableElement* caller, void* userdata);
+	void onChatBoxKeystroke();
+	void onChatBoxFocusLost();
 	void onChatBoxFocusReceived();
 
 	void sendChat( EChatType type );
 	void onChatBoxCommit();
 	void onChatFontChange(LLFontGL* fontp);
 
-	/* virtual */ bool applyRectControl();
-
-	void showNearbyChatPanel(bool show);
-	void onToggleNearbyChatPanel();
+	/*virtual*/ void onTearOffClicked();
+	/*virtual*/ void onClickCloseBtn();
 
 	static LLWString stripChannelNumber(const LLWString &mesg, S32* channel);
 	EChatType processChatTypeTriggers(EChatType type, std::string &str);
@@ -91,14 +102,15 @@ protected:
 	// Which non-zero channel did we last chat on?
 	static S32 sLastSpecialChatChannel;
 
-	LLLineEditor*			mChatBox;
-	LLView*					mNearbyChat;
 	LLOutputMonitorCtrl*	mOutputMonitor;
 	LLLocalSpeakerMgr*		mSpeakerMgr;
 
 	S32 mExpandedHeight;
 
-	boost::shared_ptr<LLNearbyChatBarListener> mListener;
+private:
+	/*virtual*/ void refresh();
+
+	std::vector<LLChat> mMessageArchive;
 };
 
-#endif
+#endif // LL_LLFLOATERIMNEARBYCHAT_H
diff --git a/indra/newview/llnearbychathandler.cpp b/indra/newview/llfloaterimnearbychathandler.cpp
index 600fd395fb..f64cfd0245 100644
--- a/indra/newview/llnearbychathandler.cpp
+++ b/indra/newview/llfloaterimnearbychathandler.cpp
@@ -1,6 +1,6 @@
 /** 
- * @file LLNearbyChatHandler.cpp
- * @brief Nearby chat notification managment
+ * @file LLFloaterIMNearbyChatHandler.cpp
+ * @brief Nearby chat chat managment
  *
  * $LicenseInfo:firstyear=2009&license=viewerlgpl$
  * Second Life Viewer Source Code
@@ -27,43 +27,46 @@
 #include "llviewerprecompiledheaders.h"
 
 #include "llagentdata.h" // for gAgentID
-#include "llnearbychathandler.h"
+#include "llfloaterimnearbychathandler.h"
 
 #include "llchatitemscontainerctrl.h"
 #include "llfirstuse.h"
 #include "llfloaterscriptdebug.h"
 #include "llhints.h"
-#include "llnearbychat.h"
+#include "llfloaterimnearbychat.h"
 #include "llrecentpeople.h"
 
 #include "llviewercontrol.h"
 
 #include "llfloaterreg.h"//for LLFloaterReg::getTypedInstance
 #include "llviewerwindow.h"//for screen channel position
-#include "llnearbychatbar.h"
+#include "llfloaterimnearbychat.h"
+#include "llfloaterimcontainer.h"
 #include "llrootview.h"
 #include "lllayoutstack.h"
 
-//add LLNearbyChatHandler to LLNotificationsUI namespace
+//add LLFloaterIMNearbyChatHandler to LLNotificationsUI namespace
 using namespace LLNotificationsUI;
 
-//-----------------------------------------------------------------------------------------------
-//LLNearbyChatScreenChannel
-//-----------------------------------------------------------------------------------------------	
-LLToastPanelBase* createToastPanel()
+static LLFloaterIMNearbyChatToastPanel* createToastPanel()
 {
-	LLNearbyChatToastPanel* item = LLNearbyChatToastPanel::createInstance();
+	LLFloaterIMNearbyChatToastPanel* item = LLFloaterIMNearbyChatToastPanel::createInstance();
 	return item;
 }
 
-class LLNearbyChatScreenChannel: public LLScreenChannelBase
+
+//-----------------------------------------------------------------------------------------------
+//LLFloaterIMNearbyChatScreenChannel
+//-----------------------------------------------------------------------------------------------	
+
+class LLFloaterIMNearbyChatScreenChannel: public LLScreenChannelBase
 {
-	LOG_CLASS(LLNearbyChatScreenChannel);
+	LOG_CLASS(LLFloaterIMNearbyChatScreenChannel);
 public:
 	typedef std::vector<LLHandle<LLToast> > toast_vec_t;
 	typedef std::list<LLHandle<LLToast> > toast_list_t;
 
-	LLNearbyChatScreenChannel(const Params& p)
+	LLFloaterIMNearbyChatScreenChannel(const Params& p)
 		: LLScreenChannelBase(p)
 	{
 		mStopProcessing = false;
@@ -71,20 +74,20 @@ public:
 		LLControlVariable* ctrl = gSavedSettings.getControl("NearbyToastLifeTime").get();
 		if (ctrl)
 		{
-			ctrl->getSignal()->connect(boost::bind(&LLNearbyChatScreenChannel::updateToastsLifetime, this));
+			ctrl->getSignal()->connect(boost::bind(&LLFloaterIMNearbyChatScreenChannel::updateToastsLifetime, this));
 		}
 
 		ctrl = gSavedSettings.getControl("NearbyToastFadingTime").get();
 		if (ctrl)
 		{
-			ctrl->getSignal()->connect(boost::bind(&LLNearbyChatScreenChannel::updateToastFadingTime, this));
+			ctrl->getSignal()->connect(boost::bind(&LLFloaterIMNearbyChatScreenChannel::updateToastFadingTime, this));
 		}
 	}
 
-	void addNotification	(LLSD& notification);
+	void addChat	(LLSD& chat);
 	void arrangeToasts		();
 	
-	typedef boost::function<LLToastPanelBase* (void )> create_toast_panel_callback_t;
+	typedef boost::function<LLFloaterIMNearbyChatToastPanel* (void )> create_toast_panel_callback_t;
 	void setCreatePanelCallback(create_toast_panel_callback_t value) { m_create_toast_panel_callback_t = value;}
 
 	void onToastDestroyed	(LLToast* toast, bool app_quitting);
@@ -152,17 +155,19 @@ protected:
 	bool	mChannelRect;
 };
 
+
+
 //-----------------------------------------------------------------------------------------------
-// LLNearbyChatToast
+// LLFloaterIMNearbyChatToast
 //-----------------------------------------------------------------------------------------------
 
 // We're deriving from LLToast to be able to override onClose()
 // in order to handle closing nearby chat toasts properly.
-class LLNearbyChatToast : public LLToast
+class LLFloaterIMNearbyChatToast : public LLToast
 {
-	LOG_CLASS(LLNearbyChatToast);
+	LOG_CLASS(LLFloaterIMNearbyChatToast);
 public:
-	LLNearbyChatToast(const LLToast::Params& p, LLNearbyChatScreenChannel* nc_channelp)
+	LLFloaterIMNearbyChatToast(const LLToast::Params& p, LLFloaterIMNearbyChatScreenChannel* nc_channelp)
 	:	LLToast(p),
 	 	mNearbyChatScreenChannelp(nc_channelp)
 	{
@@ -171,14 +176,14 @@ public:
 	/*virtual*/ void onClose(bool app_quitting);
 
 private:
-	LLNearbyChatScreenChannel*	mNearbyChatScreenChannelp;
+	LLFloaterIMNearbyChatScreenChannel*	mNearbyChatScreenChannelp;
 };
 
 //-----------------------------------------------------------------------------------------------
-// LLNearbyChatScreenChannel
+// LLFloaterIMNearbyChatScreenChannel
 //-----------------------------------------------------------------------------------------------
 
-void LLNearbyChatScreenChannel::deactivateToast(LLToast* toast)
+void LLFloaterIMNearbyChatScreenChannel::deactivateToast(LLToast* toast)
 {
 	toast_vec_t::iterator pos = std::find(m_active_toasts.begin(), m_active_toasts.end(), toast->getHandle());
 
@@ -192,12 +197,12 @@ void LLNearbyChatScreenChannel::deactivateToast(LLToast* toast)
 	m_active_toasts.erase(pos);
 }
 
-void	LLNearbyChatScreenChannel::createOverflowToast(S32 bottom, F32 timer)
+void	LLFloaterIMNearbyChatScreenChannel::createOverflowToast(S32 bottom, F32 timer)
 {
 	//we don't need overflow toast in nearby chat
 }
 
-void LLNearbyChatScreenChannel::onToastDestroyed(LLToast* toast, bool app_quitting)
+void LLFloaterIMNearbyChatScreenChannel::onToastDestroyed(LLToast* toast, bool app_quitting)
 {	
 	LL_DEBUGS("NearbyChat") << "Toast destroyed (app_quitting=" << app_quitting << ")" << llendl;
 
@@ -216,7 +221,7 @@ void LLNearbyChatScreenChannel::onToastDestroyed(LLToast* toast, bool app_quitti
 	}
 }
 
-void LLNearbyChatScreenChannel::onToastFade(LLToast* toast)
+void LLFloaterIMNearbyChatScreenChannel::onToastFade(LLToast* toast)
 {	
 	LL_DEBUGS("NearbyChat") << "Toast fading" << llendl;
 
@@ -231,7 +236,7 @@ void LLNearbyChatScreenChannel::onToastFade(LLToast* toast)
 	arrangeToasts();
 }
 
-void LLNearbyChatScreenChannel::updateToastsLifetime()
+void LLFloaterIMNearbyChatScreenChannel::updateToastsLifetime()
 {
 	S32 seconds = gSavedSettings.getS32("NearbyToastLifeTime");
 	toast_list_t::iterator it;
@@ -242,7 +247,7 @@ void LLNearbyChatScreenChannel::updateToastsLifetime()
 	}
 }
 
-void LLNearbyChatScreenChannel::updateToastFadingTime()
+void LLFloaterIMNearbyChatScreenChannel::updateToastFadingTime()
 {
 	S32 seconds = gSavedSettings.getS32("NearbyToastFadingTime");
 	toast_list_t::iterator it;
@@ -253,9 +258,9 @@ void LLNearbyChatScreenChannel::updateToastFadingTime()
 	}
 }
 
-bool	LLNearbyChatScreenChannel::createPoolToast()
+bool	LLFloaterIMNearbyChatScreenChannel::createPoolToast()
 {
-	LLToastPanelBase* panel= m_create_toast_panel_callback_t();
+	LLFloaterIMNearbyChatToastPanel* panel= m_create_toast_panel_callback_t();
 	if(!panel)
 		return false;
 	
@@ -264,20 +269,20 @@ bool	LLNearbyChatScreenChannel::createPoolToast()
 	p.lifetime_secs = gSavedSettings.getS32("NearbyToastLifeTime");
 	p.fading_time_secs = gSavedSettings.getS32("NearbyToastFadingTime");
 
-	LLToast* toast = new LLNearbyChatToast(p, this);
+	LLToast* toast = new LLFloaterIMNearbyChatToast(p, this);
 	
 	
-	toast->setOnFadeCallback(boost::bind(&LLNearbyChatScreenChannel::onToastFade, this, _1));
+	toast->setOnFadeCallback(boost::bind(&LLFloaterIMNearbyChatScreenChannel::onToastFade, this, _1));
 
 	// If the toast gets somehow prematurely destroyed, deactivate it to prevent crash (STORM-1352).
-	toast->setOnToastDestroyedCallback(boost::bind(&LLNearbyChatScreenChannel::onToastDestroyed, this, _1, false));
+	toast->setOnToastDestroyedCallback(boost::bind(&LLFloaterIMNearbyChatScreenChannel::onToastDestroyed, this, _1, false));
 
 	LL_DEBUGS("NearbyChat") << "Creating and pooling toast" << llendl;	
 	m_toast_pool.push_back(toast->getHandle());
 	return true;
 }
 
-void LLNearbyChatScreenChannel::addNotification(LLSD& notification)
+void LLFloaterIMNearbyChatScreenChannel::addChat(LLSD& chat)
 {
 	//look in pool. if there is any message
 	if(mStopProcessing)
@@ -289,16 +294,16 @@ void LLNearbyChatScreenChannel::addNotification(LLSD& notification)
 
 	if(m_active_toasts.size())
 	{
-		LLUUID fromID = notification["from_id"].asUUID();		// agent id or object id
-		std::string from = notification["from"].asString();
+		LLUUID fromID = chat["from_id"].asUUID();		// agent id or object id
+		std::string from = chat["from"].asString();
 		LLToast* toast = m_active_toasts[0].get();
 		if (toast)
 		{
-			LLNearbyChatToastPanel* panel = dynamic_cast<LLNearbyChatToastPanel*>(toast->getPanel());
+			LLFloaterIMNearbyChatToastPanel* panel = dynamic_cast<LLFloaterIMNearbyChatToastPanel*>(toast->getPanel());
   
 			if(panel && panel->messageID() == fromID && panel->getFromName() == from && panel->canAddText())
 			{
-				panel->addMessage(notification);
+				panel->addMessage(chat);
 				toast->reshapeToPanel();
 				toast->startTimer();
 	  
@@ -316,11 +321,11 @@ void LLNearbyChatScreenChannel::addNotification(LLSD& notification)
 		LL_DEBUGS("NearbyChat") << "Empty pool" << llendl;
 		if(!createPoolToast())//created toast will go to pool. so next call will find it
 			return;
-		addNotification(notification);
+		addChat(chat);
 		return;
 	}
 
-	int chat_type = notification["chat_type"].asInteger();
+	int chat_type = chat["chat_type"].asInteger();
 	
 	if( ((EChatType)chat_type == CHAT_TYPE_DEBUG_MSG))
 	{
@@ -339,10 +344,10 @@ void LLNearbyChatScreenChannel::addNotification(LLSD& notification)
 	m_toast_pool.pop_back();
 
 
-	LLToastPanelBase* panel = dynamic_cast<LLToastPanelBase*>(toast->getPanel());
+	LLFloaterIMNearbyChatToastPanel* panel = dynamic_cast<LLFloaterIMNearbyChatToastPanel*>(toast->getPanel());
 	if(!panel)
 		return;
-	panel->init(notification);
+	panel->init(chat);
 
 	toast->reshapeToPanel();
 	toast->startTimer();
@@ -361,7 +366,7 @@ static bool sort_toasts_predicate(LLHandle<LLToast> first, LLHandle<LLToast> sec
 	return v1 > v2;
 }
 
-void LLNearbyChatScreenChannel::arrangeToasts()
+void LLFloaterIMNearbyChatScreenChannel::arrangeToasts()
 {
 	if(mStopProcessing || isHovering())
 		return;
@@ -441,20 +446,18 @@ void LLNearbyChatScreenChannel::arrangeToasts()
 
 
 //-----------------------------------------------------------------------------------------------
-//LLNearbyChatHandler
+//LLFloaterIMNearbyChatHandler
 //-----------------------------------------------------------------------------------------------
-boost::scoped_ptr<LLEventPump> LLNearbyChatHandler::sChatWatcher(new LLEventStream("LLChat"));
+boost::scoped_ptr<LLEventPump> LLFloaterIMNearbyChatHandler::sChatWatcher(new LLEventStream("LLChat"));
 
-LLNearbyChatHandler::LLNearbyChatHandler(e_notification_type type, const LLSD& id)
+LLFloaterIMNearbyChatHandler::LLFloaterIMNearbyChatHandler()
 {
-	mType = type;
-
 	// Getting a Channel for our notifications
-	LLNearbyChatScreenChannel::Params p;
+	LLFloaterIMNearbyChatScreenChannel::Params p;
 	p.id = LLUUID(gSavedSettings.getString("NearByChatChannelUUID"));
-	LLNearbyChatScreenChannel* channel = new LLNearbyChatScreenChannel(p);
+	LLFloaterIMNearbyChatScreenChannel* channel = new LLFloaterIMNearbyChatScreenChannel(p);
 	
-	LLNearbyChatScreenChannel::create_toast_panel_callback_t callback = createToastPanel;
+	LLFloaterIMNearbyChatScreenChannel::create_toast_panel_callback_t callback = createToastPanel;
 
 	channel->setCreatePanelCallback(callback);
 
@@ -463,12 +466,12 @@ LLNearbyChatHandler::LLNearbyChatHandler(e_notification_type type, const LLSD& i
 	mChannel = channel->getHandle();
 }
 
-LLNearbyChatHandler::~LLNearbyChatHandler()
+LLFloaterIMNearbyChatHandler::~LLFloaterIMNearbyChatHandler()
 {
 }
 
 
-void LLNearbyChatHandler::initChannel()
+void LLFloaterIMNearbyChatHandler::initChannel()
 {
 	//LLRect snap_rect = gFloaterView->getSnapRect();
 	//mChannel->init(snap_rect.mLeft, snap_rect.mLeft + 200);
@@ -476,7 +479,7 @@ void LLNearbyChatHandler::initChannel()
 
 
 
-void LLNearbyChatHandler::processChat(const LLChat& chat_msg,
+void LLFloaterIMNearbyChatHandler::processChat(const LLChat& chat_msg,
 									  const LLSD &args)
 {
 	if(chat_msg.mMuted == TRUE)
@@ -485,28 +488,27 @@ void LLNearbyChatHandler::processChat(const LLChat& chat_msg,
 	if(chat_msg.mText.empty())
 		return;//don't process empty messages
 
-	LLFloater* chat_bar = LLFloaterReg::getInstance("chat_bar");
-
-	LLNearbyChat* nearby_chat = chat_bar->findChild<LLNearbyChat>("nearby_chat");
+    LLFloaterReg::getInstance("im_container");
+	LLFloaterIMNearbyChat* nearby_chat = LLFloaterReg::getTypedInstance<LLFloaterIMNearbyChat>("nearby_chat");
 
 	// Build notification data 
-	LLSD notification;
-	notification["message"] = chat_msg.mText;
-	notification["from"] = chat_msg.mFromName;
-	notification["from_id"] = chat_msg.mFromID;
-	notification["time"] = chat_msg.mTime;
-	notification["source"] = (S32)chat_msg.mSourceType;
-	notification["chat_type"] = (S32)chat_msg.mChatType;
-	notification["chat_style"] = (S32)chat_msg.mChatStyle;
+	LLSD chat;
+	chat["message"] = chat_msg.mText;
+	chat["from"] = chat_msg.mFromName;
+	chat["from_id"] = chat_msg.mFromID;
+	chat["time"] = chat_msg.mTime;
+	chat["source"] = (S32)chat_msg.mSourceType;
+	chat["chat_type"] = (S32)chat_msg.mChatType;
+	chat["chat_style"] = (S32)chat_msg.mChatStyle;
 	// Pass sender info so that it can be rendered properly (STORM-1021).
-	notification["sender_slurl"] = LLViewerChat::getSenderSLURL(chat_msg, args);
+	chat["sender_slurl"] = LLViewerChat::getSenderSLURL(chat_msg, args);
 
 	if (chat_msg.mChatType == CHAT_TYPE_DIRECT &&
 		chat_msg.mText.length() > 0 &&
 		chat_msg.mText[0] == '@')
 	{
 		// Send event on to LLEventStream and exit
-		sChatWatcher->post(notification);
+		sChatWatcher->post(chat);
 		return;
 	}
 
@@ -553,15 +555,16 @@ void LLNearbyChatHandler::processChat(const LLChat& chat_msg,
 	}
 
 	// Send event on to LLEventStream
-	sChatWatcher->post(notification);
+	sChatWatcher->post(chat);
 
+    LLFloaterIMContainer* im_box = LLFloaterReg::getTypedInstance<LLFloaterIMContainer>("im_container");
 
-	if( !chat_bar->isMinimized()
-		&& nearby_chat->isInVisibleChain() 
+	if( nearby_chat->hasFocus() 
+        || im_box->hasFocus()
 		|| ( chat_msg.mSourceType == CHAT_SOURCE_AGENT
 			&& gSavedSettings.getBOOL("UseChatBubbles") )
 		|| mChannel.isDead()
-		|| !mChannel.get()->getShowToasts() ) // to prevent toasts in Busy mode
+		|| !mChannel.get()->getShowToasts() ) // to prevent toasts in Do Not Disturb mode
 		return;//no need in toast if chat is visible or if bubble chat is enabled
 
 	// arrange a channel on a screen
@@ -582,7 +585,7 @@ void LLNearbyChatHandler::processChat(const LLChat& chat_msg,
 	}
 	*/
 
-	LLNearbyChatScreenChannel* channel = dynamic_cast<LLNearbyChatScreenChannel*>(mChannel.get());
+	LLFloaterIMNearbyChatScreenChannel* channel = dynamic_cast<LLFloaterIMNearbyChatScreenChannel*>(mChannel.get());
 
 	if(channel)
 	{
@@ -601,33 +604,35 @@ void LLNearbyChatHandler::processChat(const LLChat& chat_msg,
 			toast_msg = chat_msg.mText;
 		}
 
-		// Add a nearby chat toast.
-		LLUUID id;
-		id.generate();
-		notification["id"] = id;
-		std::string r_color_name = "White";
-		F32 r_color_alpha = 1.0f; 
-		LLViewerChat::getChatColor( chat_msg, r_color_name, r_color_alpha);
-		
-		notification["text_color"] = r_color_name;
-		notification["color_alpha"] = r_color_alpha;
-		notification["font_size"] = (S32)LLViewerChat::getChatFontSize() ;
-		notification["message"] = toast_msg;
-		channel->addNotification(notification);	
-	}
-}
 
-void LLNearbyChatHandler::onDeleteToast(LLToast* toast)
-{
+        //Will show toast when chat preference is set        
+        if(gSavedSettings.getString("NotificationNearbyChatOptions") == "toast")
+        {
+            // Add a nearby chat toast.
+            LLUUID id;
+            id.generate();
+            chat["id"] = id;
+            std::string r_color_name = "White";
+            F32 r_color_alpha = 1.0f; 
+            LLViewerChat::getChatColor( chat_msg, r_color_name, r_color_alpha);
+
+            chat["text_color"] = r_color_name;
+            chat["color_alpha"] = r_color_alpha;
+            chat["font_size"] = (S32)LLViewerChat::getChatFontSize() ;
+            chat["message"] = toast_msg;
+            channel->addChat(chat);	
+        }
+
+	}
 }
 
 
 //-----------------------------------------------------------------------------------------------
-// LLNearbyChatToast
+// LLFloaterIMNearbyChatToast
 //-----------------------------------------------------------------------------------------------
 
 // virtual
-void LLNearbyChatToast::onClose(bool app_quitting)
+void LLFloaterIMNearbyChatToast::onClose(bool app_quitting)
 {
 	mNearbyChatScreenChannelp->onToastDestroyed(this, app_quitting);
 }
diff --git a/indra/newview/llnearbychathandler.h b/indra/newview/llfloaterimnearbychathandler.h
index b0e4f62d51..5e6f8cde30 100644
--- a/indra/newview/llnearbychathandler.h
+++ b/indra/newview/llfloaterimnearbychathandler.h
@@ -1,5 +1,5 @@
 /** 
- * @file llnearbychathandler.h
+ * @file llfloaterimnearbychathandler.h
  * @brief nearby chat notify
  *
  * $LicenseInfo:firstyear=2004&license=viewerlgpl$
@@ -24,27 +24,26 @@
  * $/LicenseInfo$
  */
 
-#ifndef LL_LLNEARBYCHATHANDLER_H
-#define LL_LLNEARBYCHATHANDLER_H
+#ifndef LL_LLFLOATERIMNEARBYCHATHANDLER_H
+#define LL_LLFLOATERIMNEARBYCHATHANDLER_H
 
 #include "llnotificationhandler.h"
 
 class LLEventPump;
 
-//add LLNearbyChatHandler to LLNotificationsUI namespace
+//add LLFloaterIMNearbyChatHandler to LLNotificationsUI namespace
 namespace LLNotificationsUI{
 
-class LLNearbyChatHandler : public LLChatHandler
+class LLFloaterIMNearbyChatHandler : public LLChatHandler
 {
 public:
-	LLNearbyChatHandler(e_notification_type type,const LLSD& id);
-	virtual ~LLNearbyChatHandler();
+	LLFloaterIMNearbyChatHandler();
+	virtual ~LLFloaterIMNearbyChatHandler();
 
 
 	virtual void processChat(const LLChat& chat_msg, const LLSD &args);
 
 protected:
-	virtual void onDeleteToast(LLToast* toast);
 	virtual void initChannel();
 
 	static boost::scoped_ptr<LLEventPump> sChatWatcher;
@@ -52,4 +51,4 @@ protected:
 
 }
 
-#endif /* LL_LLNEARBYCHATHANDLER_H */
+#endif /* LL_LLFLOATERIMNEARBYCHATHANDLER_H */
diff --git a/indra/newview/llnearbychatbarlistener.cpp b/indra/newview/llfloaterimnearbychatlistener.cpp
index a63e1fb76e..14a22bcd84 100644
--- a/indra/newview/llnearbychatbarlistener.cpp
+++ b/indra/newview/llfloaterimnearbychatlistener.cpp
@@ -1,8 +1,8 @@
 /**
- * @file   llnearbychatbarlistener.cpp
+ * @file   llfloaterimnearbychatlistener.cpp
  * @author Dave Simmons
  * @date   2011-03-15
- * @brief  Implementation for LLNearbyChatBarListener.
+ * @brief  Implementation for LLFloaterIMNearbyChatListener.
  *
  * $LicenseInfo:firstyear=2011&license=viewerlgpl$
  * Second Life Viewer Source Code
@@ -28,15 +28,15 @@
 
 #include "llviewerprecompiledheaders.h"
 
-#include "llnearbychatbarlistener.h"
-#include "llnearbychatbar.h"
+#include "llfloaterimnearbychatlistener.h"
+#include "llfloaterimnearbychat.h"
 
 #include "llagent.h"
 #include "llchat.h"
 
 
 
-LLNearbyChatBarListener::LLNearbyChatBarListener(LLNearbyChatBar & chatbar)
+LLFloaterIMNearbyChatListener::LLFloaterIMNearbyChatListener(LLFloaterIMNearbyChat & chatbar)
   : LLEventAPI("LLChatBar",
                "LLChatBar listener to (e.g.) sendChat, etc."),
 	mChatbar(chatbar)
@@ -46,12 +46,12 @@ LLNearbyChatBarListener::LLNearbyChatBarListener(LLNearbyChatBar & chatbar)
         "[\"message\"] chat message text [required]\n"
         "[\"channel\"] chat channel number [default = 0]\n"
 		"[\"type\"] chat type \"whisper\", \"normal\", \"shout\" [default = \"normal\"]",
-        &LLNearbyChatBarListener::sendChat);
+        &LLFloaterIMNearbyChatListener::sendChat);
 }
 
 
 // "sendChat" command
-void LLNearbyChatBarListener::sendChat(LLSD const & chat_data) const
+void LLFloaterIMNearbyChatListener::sendChat(LLSD const & chat_data) const
 {
 	// Extract the data
 	std::string chat_text = chat_data["message"].asString();
diff --git a/indra/newview/llnearbychatbarlistener.h b/indra/newview/llfloaterimnearbychatlistener.h
index 9af9bc1f7b..1470a6dc1e 100644
--- a/indra/newview/llnearbychatbarlistener.h
+++ b/indra/newview/llfloaterimnearbychatlistener.h
@@ -1,8 +1,8 @@
 /**
- * @file   llnearbychatbarlistener.h
+ * @file   llfloaterimnearbychatlistener.h
  * @author Dave Simmons
  * @date   2011-03-15
- * @brief  Class definition for LLNearbyChatBarListener.
+ * @brief  Class definition for LLFloaterIMNearbyChatListener.
  *
  * $LicenseInfo:firstyear=2011&license=viewerlgpl$
  * Second Life Viewer Source Code
@@ -27,24 +27,24 @@
  */
 
 
-#ifndef LL_LLNEARBYCHATBARLISTENER_H
-#define LL_LLNEARBYCHATBARLISTENER_H
+#ifndef LL_LLFLOATERIMNEARBYCHATLISTENER_H
+#define LL_LLFLOATERIMNEARBYCHATLISTENER_H
 
 #include "lleventapi.h"
 
 class LLSD;
-class LLNearbyChatBar;
+class LLFloaterIMNearbyChat;
 
-class LLNearbyChatBarListener : public LLEventAPI
+class LLFloaterIMNearbyChatListener : public LLEventAPI
 {
 public:
-	LLNearbyChatBarListener(LLNearbyChatBar & chatbar);
+	LLFloaterIMNearbyChatListener(LLFloaterIMNearbyChat & chatbar);
 
 private:
     void sendChat(LLSD const & chat_data) const;
 
-	LLNearbyChatBar & mChatbar;
+	LLFloaterIMNearbyChat & mChatbar;
 };
 
-#endif // LL_LLNEARBYCHATBARLISTENER_H
+#endif // LL_LLFLOATERIMNEARBYCHATLISTENER_H
 
diff --git a/indra/newview/llfloaterimsession.cpp b/indra/newview/llfloaterimsession.cpp
new file mode 100644
index 0000000000..d36b138c21
--- /dev/null
+++ b/indra/newview/llfloaterimsession.cpp
@@ -0,0 +1,1248 @@
+/** 
+ * @file llfloaterimsession.cpp
+ * @brief LLFloaterIMSession class definition
+ *
+ * $LicenseInfo:firstyear=2009&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#include "llviewerprecompiledheaders.h"
+
+#include "llfloaterimsession.h"
+
+#include "lldraghandle.h"
+#include "llnotificationsutil.h"
+
+#include "llagent.h"
+#include "llappviewer.h"
+#include "llavataractions.h"
+#include "llavatarnamecache.h"
+#include "llbutton.h"
+#include "llchannelmanager.h"
+#include "llchiclet.h"
+#include "llchicletbar.h"
+#include "llfloaterreg.h"
+#include "llfloateravatarpicker.h"
+#include "llfloaterimcontainer.h" // to replace separate IM Floaters with multifloater container
+#include "llinventoryfunctions.h"
+//#include "lllayoutstack.h"
+#include "llchatentry.h"
+#include "lllogchat.h"
+#include "llscreenchannel.h"
+#include "llsyswellwindow.h"
+#include "lltrans.h"
+#include "llchathistory.h"
+#include "llnotifications.h"
+#include "llviewerwindow.h"
+#include "lltransientfloatermgr.h"
+#include "llinventorymodel.h"
+#include "llrootview.h"
+#include "llspeakers.h"
+#include "llviewerchat.h"
+#include "llnotificationmanager.h"
+#include "llautoreplace.h"
+
+floater_showed_signal_t LLFloaterIMSession::sIMFloaterShowedSignal;
+
+LLFloaterIMSession::LLFloaterIMSession(const LLUUID& session_id)
+  : LLFloaterIMSessionTab(session_id),
+	mLastMessageIndex(-1),
+	mDialog(IM_NOTHING_SPECIAL),
+	mTypingStart(),
+	mShouldSendTypingState(false),
+	mMeTyping(false),
+	mOtherTyping(false),
+	mTypingTimer(),
+	mTypingTimeoutTimer(),
+	mPositioned(false),
+	mSessionInitialized(false)
+{
+	mIsNearbyChat = false;
+
+	initIMSession(session_id);
+		
+	setOverlapsScreenChannel(true);
+
+	LLTransientFloaterMgr::getInstance()->addControlView(LLTransientFloaterMgr::IM, this);
+    mEnableCallbackRegistrar.add("Avatar.EnableGearItem", boost::bind(&LLFloaterIMSession::enableGearMenuItem, this, _2));
+    mCommitCallbackRegistrar.add("Avatar.GearDoToSelected", boost::bind(&LLFloaterIMSession::GearDoToSelected, this, _2));
+    mEnableCallbackRegistrar.add("Avatar.CheckGearItem", boost::bind(&LLFloaterIMSession::checkGearMenuItem, this, _2));
+
+    setDocked(true);
+}
+
+
+// virtual
+void LLFloaterIMSession::refresh()
+{
+	if (mMeTyping)
+{
+		// Time out if user hasn't typed for a while.
+		if (mTypingTimeoutTimer.getElapsedTimeF32() > LLAgent::TYPING_TIMEOUT_SECS)
+		{
+	setTyping(false);
+		}
+	}
+}
+
+// virtual
+void LLFloaterIMSession::onTearOffClicked()
+{
+    LLFloaterIMSessionTab::onTearOffClicked();
+
+    if(mIsP2PChat)
+    {
+        if(isTornOff())
+        {
+            mSpeakingIndicator->setSpeakerId(mOtherParticipantUUID, mSessionID);
+        }
+        else
+        {
+            mSpeakingIndicator->setSpeakerId(LLUUID::null);
+        }
+    }
+}
+
+// virtual
+void LLFloaterIMSession::onClickCloseBtn()
+{
+	LLIMModel::LLIMSession* session = LLIMModel::instance().findIMSession(mSessionID);
+
+	if (session != NULL)
+	{
+		bool is_call_with_chat = session->isGroupSessionType()
+				|| session->isAdHocSessionType() || session->isP2PSessionType();
+
+		LLVoiceChannel* voice_channel = LLIMModel::getInstance()->getVoiceChannel(mSessionID);
+
+		if (is_call_with_chat && voice_channel != NULL
+				&& voice_channel->isActive())
+		{
+			LLSD payload;
+			payload["session_id"] = mSessionID;
+			LLNotificationsUtil::add("ConfirmLeaveCall", LLSD(), payload, confirmLeaveCallCallback);
+			return;
+		}
+	}
+	else
+	{
+		llwarns << "Empty session with id: " << (mSessionID.asString()) << llendl;
+		return;
+	}
+
+	LLFloaterIMSessionTab::onClickCloseBtn();
+}
+
+/* static */
+void LLFloaterIMSession::newIMCallback(const LLSD& data)
+{
+	if (data["num_unread"].asInteger() > 0 || data["from_id"].asUUID().isNull())
+	{
+		LLUUID session_id = data["session_id"].asUUID();
+
+		LLFloaterIMSession* floater = LLFloaterReg::findTypedInstance<LLFloaterIMSession>("impanel", session_id);
+
+        // update if visible, otherwise will be updated when opened
+		if (floater && (floater->getHost()? floater->hasFocus() : floater->getVisible()))
+		{
+			floater->updateMessages();
+		}
+	}
+}
+
+void LLFloaterIMSession::onVisibilityChange(const LLSD& new_visibility)
+{
+	bool visible = new_visibility.asBoolean();
+
+	LLVoiceChannel* voice_channel = LLIMModel::getInstance()->getVoiceChannel(mSessionID);
+
+	if (visible && voice_channel &&
+		voice_channel->getState() == LLVoiceChannel::STATE_CONNECTED)
+	{
+		LLFloaterReg::showInstance("voice_call", mSessionID);
+	}
+	else
+	{
+		LLFloaterReg::hideInstance("voice_call", mSessionID);
+	}
+}
+
+void LLFloaterIMSession::onSendMsg( LLUICtrl* ctrl, void* userdata )
+{
+	LLFloaterIMSession* self = (LLFloaterIMSession*) userdata;
+	self->sendMsgFromInputEditor();
+	self->setTyping(false);
+}
+
+bool LLFloaterIMSession::enableGearMenuItem(const LLSD& userdata)
+{
+    std::string command = userdata.asString();
+    uuid_vec_t selected_uuids;
+    selected_uuids.push_back(mOtherParticipantUUID);
+
+	LLFloaterIMContainer* floater_container = LLFloaterIMContainer::getInstance();
+	return floater_container->enableContextMenuItem(command, selected_uuids);
+}
+
+void LLFloaterIMSession::GearDoToSelected(const LLSD& userdata)
+{
+	std::string command = userdata.asString();
+    uuid_vec_t selected_uuids;
+    selected_uuids.push_back(mOtherParticipantUUID);
+
+	LLFloaterIMContainer* floater_container = LLFloaterIMContainer::getInstance();
+	floater_container->doToParticipants(command, selected_uuids);
+}
+
+bool LLFloaterIMSession::checkGearMenuItem(const LLSD& userdata)
+{
+	std::string command = userdata.asString();
+	uuid_vec_t selected_uuids;
+	selected_uuids.push_back(mOtherParticipantUUID);
+
+	LLFloaterIMContainer* floater_container = LLFloaterIMContainer::getInstance();
+	return floater_container->checkContextMenuItem(command, selected_uuids);
+}
+
+void LLFloaterIMSession::sendMsgFromInputEditor()
+{
+	if (gAgent.isGodlike()
+		|| (mDialog != IM_NOTHING_SPECIAL)
+		|| !mOtherParticipantUUID.isNull())
+	{
+		if (mInputEditor)
+		{
+			LLWString text = mInputEditor->getWText();
+			LLWStringUtil::trim(text);
+			LLWStringUtil::replaceChar(text,182,'\n'); // Convert paragraph symbols back into newlines.
+			if(!text.empty())
+			{
+				// Truncate and convert to UTF8 for transport
+				std::string utf8_text = wstring_to_utf8str(text);
+
+				sendMsg(utf8_text);
+
+				mInputEditor->setText(LLStringUtil::null);
+			}
+		}
+	}
+	else
+	{
+		llinfos << "Cannot send IM to everyone unless you're a god." << llendl;
+	}
+}
+
+void LLFloaterIMSession::sendMsg(const std::string& msg)
+{
+	const std::string utf8_text = utf8str_truncate(msg, MAX_MSG_BUF_SIZE - 1);
+
+	if (mSessionInitialized)
+	{
+		LLIMModel::sendMessage(utf8_text, mSessionID, mOtherParticipantUUID, mDialog);
+	}
+	else
+	{
+		//queue up the message to send once the session is initialized
+		mQueuedMsgsForInit.append(utf8_text);
+	}
+
+	updateMessages();
+}
+
+LLFloaterIMSession::~LLFloaterIMSession()
+{
+	mVoiceChannelStateChangeConnection.disconnect();
+	if(LLVoiceClient::instanceExists())
+	{
+		LLVoiceClient::getInstance()->removeObserver(this);
+	}
+
+	LLTransientFloaterMgr::getInstance()->removeControlView(LLTransientFloaterMgr::IM, this);
+}
+
+
+void LLFloaterIMSession::initIMSession(const LLUUID& session_id)
+{
+	// Change the floater key to bind it to a new session.
+	setKey(session_id);
+
+	mSessionID = session_id;
+	mSession = LLIMModel::getInstance()->findIMSession(mSessionID);
+
+	if (mSession)
+	{
+		mIsP2PChat = mSession->isP2PSessionType();
+		mSessionInitialized = mSession->mSessionInitialized;
+		mDialog = mSession->mType;
+	}
+}
+
+void LLFloaterIMSession::initIMFloater()
+{
+	const LLUUID& other_party_id =
+			LLIMModel::getInstance()->getOtherParticipantID(mSessionID);
+	if (other_party_id.notNull())
+	{
+		mOtherParticipantUUID = other_party_id;
+	}
+
+	boundVoiceChannel();
+
+	mTypingStart = LLTrans::getString("IM_typing_start_string");
+
+	// Show control panel in torn off floaters only.
+	mParticipantListPanel->setVisible(!getHost() && gSavedSettings.getBOOL("IMShowControlPanel"));
+
+	// Disable input editor if session cannot accept text
+	if ( mSession && !mSession->mTextIMPossible )
+	{
+		mInputEditor->setEnabled(FALSE);
+		mInputEditor->setLabel(LLTrans::getString("IM_unavailable_text_label"));
+	}
+
+	if (!mIsP2PChat)
+	{
+		std::string session_name(LLIMModel::instance().getName(mSessionID));
+		updateSessionName(session_name);
+	}
+}
+
+//virtual
+BOOL LLFloaterIMSession::postBuild()
+{
+	BOOL result = LLFloaterIMSessionTab::postBuild();
+
+	mInputEditor->setMaxTextLength(1023);
+	// enable line history support for instant message bar
+	// XXX stinson TODO : resolve merge by adding autoreplace to text editors
+#if 0
+	// *TODO Establish LineEditor with autoreplace callback
+	mInputEditor->setAutoreplaceCallback(boost::bind(&LLAutoReplace::autoreplaceCallback, LLAutoReplace::getInstance(), _1, _2));
+#endif
+	
+	mInputEditor->setFocusReceivedCallback( boost::bind(onInputEditorFocusReceived, _1, this) );
+	mInputEditor->setFocusLostCallback( boost::bind(onInputEditorFocusLost, _1, this) );
+	mInputEditor->setKeystrokeCallback( boost::bind(onInputEditorKeystroke, _1, this) );
+	mInputEditor->setCommitCallback(boost::bind(onSendMsg, _1, this));
+
+	setDocked(true);
+
+	LLButton* add_btn = getChild<LLButton>("add_btn");
+
+	// Allow to add chat participants depending on the session type
+	add_btn->setEnabled(isInviteAllowed());
+	add_btn->setClickedCallback(boost::bind(&LLFloaterIMSession::onAddButtonClicked, this));
+
+	childSetAction("voice_call_btn", boost::bind(&LLFloaterIMSession::onCallButtonClicked, this));
+
+	LLVoiceClient::getInstance()->addObserver(this);
+	
+	//*TODO if session is not initialized yet, add some sort of a warning message like "starting session...blablabla"
+	//see LLFloaterIMPanel for how it is done (IB)
+
+	initIMFloater();
+
+	return result;
+}
+
+void LLFloaterIMSession::onAddButtonClicked()
+{
+    LLView * button = findChild<LLView>("toolbar_panel")->findChild<LLButton>("add_btn");
+    LLFloater* root_floater = gFloaterView->getParentFloater(this);
+	LLFloaterAvatarPicker* picker = LLFloaterAvatarPicker::show(boost::bind(&LLFloaterIMSession::addSessionParticipants, this, _1), TRUE, TRUE, FALSE, root_floater->getName(), button);
+	if (!picker)
+	{
+		return;
+	}
+
+	// Need to disable 'ok' button when selected users are already in conversation.
+	picker->setOkBtnEnableCb(boost::bind(&LLFloaterIMSession::canAddSelectedToChat, this, _1));
+	
+	if (root_floater)
+	{
+		root_floater->addDependentFloater(picker);
+	}
+}
+
+bool LLFloaterIMSession::canAddSelectedToChat(const uuid_vec_t& uuids)
+{
+	if (!mSession
+		|| mDialog == IM_SESSION_GROUP_START
+		|| mDialog == IM_SESSION_INVITE && gAgent.isInGroup(mSessionID))
+	{
+		return false;
+	}
+
+	if (mIsP2PChat)
+	{
+		// For a P2P session just check if we are not adding the other participant.
+
+		for (uuid_vec_t::const_iterator id = uuids.begin();
+				id != uuids.end(); ++id)
+		{
+			if (*id == mOtherParticipantUUID)
+			{
+				return false;
+			}
+		}
+	}
+	else
+	{
+		// For a conference session we need to check against the list from LLSpeakerMgr,
+		// because this list may change when participants join or leave the session.
+
+		LLSpeakerMgr::speaker_list_t speaker_list;
+		LLIMSpeakerMgr* speaker_mgr = LLIMModel::getInstance()->getSpeakerManager(mSessionID);
+		if (speaker_mgr)
+		{
+			speaker_mgr->getSpeakerList(&speaker_list, true);
+		}
+	
+		for (uuid_vec_t::const_iterator id = uuids.begin();
+				id != uuids.end(); ++id)
+		{
+			for (LLSpeakerMgr::speaker_list_t::const_iterator it = speaker_list.begin();
+					it != speaker_list.end(); ++it)
+			{
+				const LLPointer<LLSpeaker>& speaker = *it;
+				if (*id == speaker->mID)
+				{
+					return false;
+				}
+			}
+		}
+	}
+
+	return true;
+}
+
+void LLFloaterIMSession::addSessionParticipants(const uuid_vec_t& uuids)
+{
+	if (mIsP2PChat)
+	{
+		LLSD payload;
+		LLSD args;
+
+		LLNotificationsUtil::add("ConfirmAddingChatParticipants", args, payload,
+				boost::bind(&LLFloaterIMSession::addP2PSessionParticipants, this, _1, _2, uuids));
+	}
+	else
+	{
+		// remember whom we have invited, to notify others later, when the invited ones actually join
+		mInvitedParticipants.insert(mInvitedParticipants.end(), uuids.begin(), uuids.end());
+		
+		inviteToSession(uuids);
+	}
+}
+
+void LLFloaterIMSession::addP2PSessionParticipants(const LLSD& notification, const LLSD& response, const uuid_vec_t& uuids)
+{
+	S32 option = LLNotificationsUtil::getSelectedOption(notification, response);
+	if (option != 0)
+	{
+		return;
+	}
+
+	LLVoiceChannel* voice_channel = LLIMModel::getInstance()->getVoiceChannel(mSessionID);
+
+	// first check whether this is a voice session
+	bool is_voice_call = voice_channel != NULL && voice_channel->isActive();
+
+	uuid_vec_t temp_ids;
+
+	// Add the initial participant of a P2P session
+	temp_ids.push_back(mOtherParticipantUUID);
+	temp_ids.insert(temp_ids.end(), uuids.begin(), uuids.end());
+
+	// then we can close the current session
+	onClose(false);
+
+	// we start a new session so reset the initialization flag
+	mSessionInitialized = false;
+
+	// remember whom we have invited, to notify others later, when the invited ones actually join
+	mInvitedParticipants.insert(mInvitedParticipants.end(), uuids.begin(), uuids.end());
+
+	// Start a new ad hoc voice call if we invite new participants to a P2P call,
+	// or start a text chat otherwise.
+	if (is_voice_call)
+	{
+		LLAvatarActions::startAdhocCall(temp_ids, mSessionID);
+	}
+	else
+	{
+		LLAvatarActions::startConference(temp_ids, mSessionID);
+	}
+}
+
+void LLFloaterIMSession::sendParticipantsAddedNotification(const uuid_vec_t& uuids)
+{
+	std::string names_string;
+	LLAvatarActions::buildResidentsString(uuids, names_string);
+	LLStringUtil::format_map_t args;
+	args["[NAME]"] = names_string;
+
+	sendMsg(getString(uuids.size() > 1 ? "multiple_participants_added" : "participant_added", args));
+}
+
+void LLFloaterIMSession::boundVoiceChannel()
+{
+	LLVoiceChannel* voice_channel = LLIMModel::getInstance()->getVoiceChannel(mSessionID);
+	if(voice_channel)
+	{
+		mVoiceChannelStateChangeConnection = voice_channel->setStateChangedCallback(
+				boost::bind(&LLFloaterIMSession::onVoiceChannelStateChanged, this, _1, _2));
+
+		//call (either p2p, group or ad-hoc) can be already in started state
+		bool callIsActive = voice_channel->getState() >= LLVoiceChannel::STATE_CALL_STARTED;
+		updateCallBtnState(callIsActive);
+	}
+}
+
+void LLFloaterIMSession::onCallButtonClicked()
+{
+	LLVoiceChannel* voice_channel = LLIMModel::getInstance()->getVoiceChannel(mSessionID);
+	if (voice_channel)
+	{
+		bool is_call_active = voice_channel->getState() >= LLVoiceChannel::STATE_CALL_STARTED;
+	    if (is_call_active)
+	    {
+		    gIMMgr->endCall(mSessionID);
+	    }
+	    else
+	    {
+		    gIMMgr->startCall(mSessionID);
+	    }
+	}
+}
+
+void LLFloaterIMSession::onChange(EStatusType status, const std::string &channelURI, bool proximal)
+{
+	if(status != STATUS_JOINING && status != STATUS_LEFT_CHANNEL)
+	{
+		enableDisableCallBtn();
+	}
+}
+
+void LLFloaterIMSession::onVoiceChannelStateChanged(
+		const LLVoiceChannel::EState& old_state, const LLVoiceChannel::EState& new_state)
+{
+	bool callIsActive = new_state >= LLVoiceChannel::STATE_CALL_STARTED;
+	updateCallBtnState(callIsActive);
+}
+
+void LLFloaterIMSession::updateSessionName(const std::string& name)
+{
+	if (!name.empty())
+	{
+		LLFloaterIMSessionTab::updateSessionName(name);
+		mTypingStart.setArg("[NAME]", name);
+		setTitle (mOtherTyping ? mTypingStart.getString() : name);
+	}
+}
+
+//static
+LLFloaterIMSession* LLFloaterIMSession::show(const LLUUID& session_id)
+{
+	closeHiddenIMToasts();
+
+	if (!gIMMgr->hasSession(session_id))
+		return NULL;
+
+	// Test the existence of the floater before we try to create it
+	bool exist = findInstance(session_id);
+
+	// Get the floater: this will create the instance if it didn't exist
+	LLFloaterIMSession* floater = getInstance(session_id);
+	if (!floater)
+		return NULL;
+
+	LLFloaterIMContainer* floater_container = LLFloaterIMContainer::getInstance();
+
+	// Do not add again existing floaters
+	if (!exist)
+	{
+		//		LLTabContainer::eInsertionPoint i_pt = user_initiated ? LLTabContainer::RIGHT_OF_CURRENT : LLTabContainer::END;
+		// TODO: mantipov: use LLTabContainer::RIGHT_OF_CURRENT if it exists
+		LLTabContainer::eInsertionPoint i_pt = LLTabContainer::END;
+		if (floater_container)
+		{
+			floater_container->addFloater(floater, TRUE, i_pt);
+		}
+	}
+
+	floater->openFloater(floater->getKey());
+
+	floater->setVisible(TRUE);
+
+	return floater;
+}
+//static
+LLFloaterIMSession* LLFloaterIMSession::findInstance(const LLUUID& session_id)
+{
+    LLFloaterIMSession* conversation =
+    		LLFloaterReg::findTypedInstance<LLFloaterIMSession>("impanel", session_id);
+
+	return conversation;
+}
+
+LLFloaterIMSession* LLFloaterIMSession::getInstance(const LLUUID& session_id)
+{
+	LLFloaterIMSession* conversation =
+				LLFloaterReg::getTypedInstance<LLFloaterIMSession>("impanel", session_id);
+
+	return conversation;
+}
+
+void LLFloaterIMSession::onClose(bool app_quitting)
+{
+	setTyping(false);
+
+	// The source of much argument and design thrashing
+	// Should the window hide or the session close when the X is clicked?
+	//
+	// Last change:
+	// EXT-3516 X Button should end IM session, _ button should hide
+	gIMMgr->leaveSession(mSessionID);
+
+	// Clean up the conversation *after* the session has been ended
+	LLFloaterIMSessionTab::onClose(app_quitting);
+}
+
+void LLFloaterIMSession::setDocked(bool docked, bool pop_on_undock)
+{
+	// update notification channel state
+	LLNotificationsUI::LLScreenChannel* channel = static_cast<LLNotificationsUI::LLScreenChannel*>
+		(LLNotificationsUI::LLChannelManager::getInstance()->
+											findChannelByID(LLUUID(gSavedSettings.getString("NotificationChannelUUID"))));
+	
+	if(!isChatMultiTab())
+	{
+		LLTransientDockableFloater::setDocked(docked, pop_on_undock);
+	}
+
+	// update notification channel state
+	if(channel)
+	{
+		channel->updateShowToastsState();
+		channel->redrawToasts();
+	}
+}
+
+void LLFloaterIMSession::setVisible(BOOL visible)
+{
+	LLNotificationsUI::LLScreenChannel* channel = static_cast<LLNotificationsUI::LLScreenChannel*>
+		(LLNotificationsUI::LLChannelManager::getInstance()->
+											findChannelByID(LLUUID(gSavedSettings.getString("NotificationChannelUUID"))));
+
+	LLFloaterIMSessionTab::setVisible(visible);
+
+	// update notification channel state
+	if(channel)
+	{
+		channel->updateShowToastsState();
+		channel->redrawToasts();
+	}
+
+	if(!visible)
+	{
+		LLChicletPanel * chiclet_panelp = LLChicletBar::getInstance()->getChicletPanel();
+		if (NULL != chiclet_panelp)
+		{
+			LLIMChiclet * chicletp = chiclet_panelp->findChiclet<LLIMChiclet>(mSessionID);
+			if(NULL != chicletp)
+			{
+				chicletp->setToggleState(false);
+			}
+		}
+	}
+
+	if (visible && isInVisibleChain())
+	{
+		sIMFloaterShowedSignal(mSessionID);
+        
+	}
+
+}
+
+BOOL LLFloaterIMSession::getVisible()
+{
+	bool visible;
+
+	if(isChatMultiTab())
+	{
+		LLFloaterIMContainer* im_container =
+				LLFloaterIMContainer::getInstance();
+		
+		// Treat inactive floater as invisible.
+		bool is_active = im_container->getActiveFloater() == this;
+	
+		//torn off floater is always inactive
+		if (!is_active && getHost() != im_container)
+		{
+			visible = LLTransientDockableFloater::getVisible();
+		}
+		else
+		{
+		// getVisible() returns TRUE when Tabbed IM window is minimized.
+			visible = is_active && !im_container->isMinimized()
+						&& im_container->getVisible();
+	}
+	}
+	else
+	{
+		visible = LLTransientDockableFloater::getVisible();
+	}
+
+	return visible;
+}
+
+//static
+bool LLFloaterIMSession::toggle(const LLUUID& session_id)
+{
+	if(!isChatMultiTab())
+	{
+		LLFloaterIMSession* floater = LLFloaterReg::findTypedInstance<LLFloaterIMSession>(
+				"impanel", session_id);
+		if (floater && floater->getVisible() && floater->hasFocus())
+		{
+			// clicking on chiclet to close floater just hides it to maintain existing
+			// scroll/text entry state
+			floater->setVisible(false);
+			return false;
+		}
+		else if(floater && (!floater->isDocked() || floater->getVisible() && !floater->hasFocus()))
+		{
+			floater->setVisible(TRUE);
+			floater->setFocus(TRUE);
+			return true;
+		}
+	}
+
+	// ensure the list of messages is updated when floater is made visible
+	show(session_id);
+	return true;
+}
+
+void LLFloaterIMSession::sessionInitReplyReceived(const LLUUID& im_session_id)
+{
+	mSessionInitialized = true;
+
+	//will be different only for an ad-hoc im session
+	if (mSessionID != im_session_id)
+	{
+		initIMSession(im_session_id);
+		buildConversationViewParticipant();
+	}
+
+	initIMFloater();
+	LLFloaterIMSessionTab::updateGearBtn();
+	//*TODO here we should remove "starting session..." warning message if we added it in postBuild() (IB)
+
+	//need to send delayed messages collected while waiting for session initialization
+	if (mQueuedMsgsForInit.size())
+	{
+		LLSD::array_iterator iter;
+		for ( iter = mQueuedMsgsForInit.beginArray();
+					iter != mQueuedMsgsForInit.endArray(); ++iter)
+		{
+			LLIMModel::sendMessage(iter->asString(), mSessionID,
+				mOtherParticipantUUID, mDialog);
+		}
+
+		mQueuedMsgsForInit.clear();
+	}
+}
+
+void LLFloaterIMSession::updateMessages()
+{
+	std::list<LLSD> messages;
+
+	// we shouldn't reset unread message counters if IM floater doesn't have focus
+    LLIMModel::instance().getMessages(
+    		mSessionID, messages, mLastMessageIndex + 1, hasFocus());
+
+	if (messages.size())
+	{
+		std::ostringstream message;
+		std::list<LLSD>::const_reverse_iterator iter = messages.rbegin();
+		std::list<LLSD>::const_reverse_iterator iter_end = messages.rend();
+		for (; iter != iter_end; ++iter)
+		{
+			LLSD msg = *iter;
+
+			std::string time = msg["time"].asString();
+			LLUUID from_id = msg["from_id"].asUUID();
+			std::string from = msg["from"].asString();
+			std::string message = msg["message"].asString();
+			bool is_history = msg["is_history"].asBoolean();
+
+			LLChat chat;
+			chat.mFromID = from_id;
+			chat.mSessionID = mSessionID;
+			chat.mFromName = from;
+			chat.mTimeStr = time;
+			chat.mChatStyle = is_history ? CHAT_STYLE_HISTORY : chat.mChatStyle;
+
+			// process offer notification
+			if (msg.has("notification_id"))
+			{
+				chat.mNotifId = msg["notification_id"].asUUID();
+				// if notification exists - embed it
+				if (LLNotificationsUtil::find(chat.mNotifId) != NULL)
+				{
+					// remove embedded notification from channel
+					LLNotificationsUI::LLScreenChannel* channel = static_cast<LLNotificationsUI::LLScreenChannel*>
+							(LLNotificationsUI::LLChannelManager::getInstance()->
+																findChannelByID(LLUUID(gSavedSettings.getString("NotificationChannelUUID"))));
+					if (getVisible())
+					{
+						// toast will be automatically closed since it is not storable toast
+						channel->hideToast(chat.mNotifId);
+					}
+				}
+				// if notification doesn't exist - try to use next message which should be log entry
+				else
+				{
+					continue;
+				}
+			}
+			//process text message
+			else
+			{
+				chat.mText = message;
+			}
+			
+			// Add the message to the chat log
+			appendMessage(chat);
+			mLastMessageIndex = msg["index"].asInteger();
+
+			// if it is a notification - next message is a notification history log, so skip it
+			if (chat.mNotifId.notNull() && LLNotificationsUtil::find(chat.mNotifId) != NULL)
+			{
+				if (++iter == iter_end)
+				{
+					break;
+				}
+				else
+				{
+					mLastMessageIndex++;
+				}
+			}
+		}
+	}
+}
+
+void LLFloaterIMSession::reloadMessages()
+{
+	mChatHistory->clear();
+	mLastMessageIndex = -1;
+	updateMessages();
+	mInputEditor->setFont(LLViewerChat::getChatFont());
+}
+
+// static
+void LLFloaterIMSession::onInputEditorFocusReceived( LLFocusableElement* caller, void* userdata )
+{
+	LLFloaterIMSession* self= (LLFloaterIMSession*) userdata;
+
+	// Allow enabling the LLFloaterIMSession input editor only if session can accept text
+	LLIMModel::LLIMSession* im_session =
+		LLIMModel::instance().findIMSession(self->mSessionID);
+	//TODO: While disabled lllineeditor can receive focus we need to check if it is enabled (EK)
+	if( im_session && im_session->mTextIMPossible && self->mInputEditor->getEnabled())
+	{
+		//in disconnected state IM input editor should be disabled
+		self->mInputEditor->setEnabled(!gDisconnected);
+	}
+}
+
+// static
+void LLFloaterIMSession::onInputEditorFocusLost(LLFocusableElement* caller, void* userdata)
+{
+	LLFloaterIMSession* self = (LLFloaterIMSession*) userdata;
+	self->setTyping(false);
+}
+
+// static
+void LLFloaterIMSession::onInputEditorKeystroke(LLTextEditor* caller, void* userdata)
+{
+	LLFloaterIMSession* self = (LLFloaterIMSession*)userdata;
+	std::string text = self->mInputEditor->getText();
+
+		// Deleting all text counts as stopping typing.
+	self->setTyping(!text.empty());
+}
+
+void LLFloaterIMSession::setTyping(bool typing)
+{
+	if ( typing )
+	{
+		// Started or proceeded typing, reset the typing timeout timer
+		mTypingTimeoutTimer.reset();
+	}
+
+	if ( mMeTyping != typing )
+	{
+		// Typing state is changed
+		mMeTyping = typing;
+		// So, should send current state
+		mShouldSendTypingState = true;
+		// In case typing is started, send state after some delay
+		mTypingTimer.reset();
+	}
+
+	// Don't want to send typing indicators to multiple people, potentially too
+	// much network traffic. Only send in person-to-person IMs.
+	if ( mShouldSendTypingState && mDialog == IM_NOTHING_SPECIAL )
+	{
+		// Still typing, send 'start typing' notification or
+		// send 'stop typing' notification immediately
+		if (!mMeTyping || mTypingTimer.getElapsedTimeF32() > 1.f)
+		{
+			LLIMModel::instance().sendTypingState(mSessionID,
+					mOtherParticipantUUID, mMeTyping);
+					mShouldSendTypingState = false;
+		}
+	}
+
+	if (!mIsNearbyChat)
+	{
+		LLIMSpeakerMgr* speaker_mgr = LLIMModel::getInstance()->getSpeakerManager(mSessionID);
+		if (speaker_mgr)
+		{
+			speaker_mgr->setSpeakerTyping(gAgent.getID(), FALSE);
+		}
+	}
+}
+
+void LLFloaterIMSession::processIMTyping(const LLIMInfo* im_info, BOOL typing)
+{
+	if ( typing )
+	{
+		// other user started typing
+		addTypingIndicator(im_info);
+	}
+	else
+	{
+		// other user stopped typing
+		removeTypingIndicator(im_info);
+	}
+}
+
+void LLFloaterIMSession::processAgentListUpdates(const LLSD& body)
+{
+	uuid_vec_t joined_uuids;
+
+	if (body.isMap() && body.has("agent_updates") && body["agent_updates"].isMap())
+	{
+		LLSD::map_const_iterator update_it;
+		for(update_it = body["agent_updates"].beginMap();
+			update_it != body["agent_updates"].endMap();
+			++update_it)
+		{
+			LLUUID agent_id(update_it->first);
+			LLSD agent_data = update_it->second;
+
+			if (agent_data.isMap())
+			{
+				// store the new participants in joined_uuids
+				if (agent_data.has("transition") && agent_data["transition"].asString() == "ENTER")
+				{
+					joined_uuids.push_back(agent_id);
+				}
+
+				// process the moderator mutes
+				if (agent_id == gAgentID && agent_data.has("info") && agent_data["info"].has("mutes"))
+				{
+					BOOL moderator_muted_text = agent_data["info"]["mutes"]["text"].asBoolean();
+					mInputEditor->setEnabled(!moderator_muted_text);
+					std::string label;
+					if (moderator_muted_text)
+						label = LLTrans::getString("IM_muted_text_label");
+					else
+						label = LLTrans::getString("IM_to_label") + " " + LLIMModel::instance().getName(mSessionID);
+					mInputEditor->setLabel(label);
+
+					if (moderator_muted_text)
+						LLNotificationsUtil::add("TextChatIsMutedByModerator");
+				}
+			}
+		}
+	}
+
+	// the vectors need to be sorted for computing the intersection and difference
+	std::sort(mInvitedParticipants.begin(), mInvitedParticipants.end());
+    std::sort(joined_uuids.begin(), joined_uuids.end());
+
+    uuid_vec_t intersection; // uuids of invited residents who have joined the conversation
+	std::set_intersection(mInvitedParticipants.begin(), mInvitedParticipants.end(),
+						  joined_uuids.begin(), joined_uuids.end(),
+						  std::back_inserter(intersection));
+
+	if (intersection.size() > 0)
+	{
+		sendParticipantsAddedNotification(intersection);
+	}
+
+	// Remove all joined participants from invited array.
+	// The difference between the two vectors (the elements in mInvitedParticipants which are not in joined_uuids)
+	// is placed at the beginning of mInvitedParticipants, then all other elements are erased.
+	mInvitedParticipants.erase(std::set_difference(mInvitedParticipants.begin(), mInvitedParticipants.end(),
+												   joined_uuids.begin(), joined_uuids.end(),
+												   mInvitedParticipants.begin()),
+							   mInvitedParticipants.end());
+}
+
+void LLFloaterIMSession::processSessionUpdate(const LLSD& session_update)
+{
+	// *TODO : verify following code when moderated mode will be implemented
+	if ( false && session_update.has("moderated_mode") &&
+		 session_update["moderated_mode"].has("voice") )
+	{
+		BOOL voice_moderated = session_update["moderated_mode"]["voice"];
+		const std::string session_label = LLIMModel::instance().getName(mSessionID);
+
+		if (voice_moderated)
+		{
+			setTitle(session_label + std::string(" ")
+							+ LLTrans::getString("IM_moderated_chat_label"));
+		}
+		else
+		{
+			setTitle(session_label);
+		}
+
+		// *TODO : uncomment this when/if LLPanelActiveSpeakers panel will be added
+		//update the speakers dropdown too
+		//mSpeakerPanel->setVoiceModerationCtrlMode(voice_moderated);
+	}
+}
+
+// virtual
+BOOL LLFloaterIMSession::handleDragAndDrop(S32 x, S32 y, MASK mask, BOOL drop,
+									EDragAndDropType cargo_type,
+									void* cargo_data,
+									EAcceptance* accept,
+						   std::string& tooltip_msg)
+{
+	if (cargo_type == DAD_PERSON)
+	{
+		if (dropPerson(static_cast<LLUUID*>(cargo_data), drop))
+		{
+			*accept = ACCEPT_YES_MULTI;
+		}
+		else
+		{
+			*accept = ACCEPT_NO;
+		}
+	}
+	else if (mDialog == IM_NOTHING_SPECIAL)
+	{
+		LLToolDragAndDrop::handleGiveDragAndDrop(mOtherParticipantUUID, mSessionID, drop,
+				cargo_type, cargo_data, accept);
+	}
+
+	return TRUE;
+}
+
+bool LLFloaterIMSession::dropPerson(LLUUID* person_id, bool drop)
+{
+	bool res = person_id && person_id->notNull();
+	if(res)
+	{
+		uuid_vec_t ids;
+		ids.push_back(*person_id);
+
+		res = canAddSelectedToChat(ids);
+		if(res && drop)
+		{
+			addSessionParticipants(ids);
+		}
+	}
+
+	return res;
+}
+
+BOOL LLFloaterIMSession::isInviteAllowed() const
+{
+	return ( (IM_SESSION_CONFERENCE_START == mDialog)
+			 || (IM_SESSION_INVITE == mDialog && !gAgent.isInGroup(mSessionID))
+			 || mIsP2PChat);
+}
+
+class LLSessionInviteResponder : public LLHTTPClient::Responder
+{
+public:
+	LLSessionInviteResponder(const LLUUID& session_id)
+	{
+		mSessionID = session_id;
+	}
+
+	void error(U32 statusNum, const std::string& reason)
+	{
+		llinfos << "Error inviting all agents to session" << llendl;
+		//throw something back to the viewer here?
+	}
+
+private:
+	LLUUID mSessionID;
+};
+
+BOOL LLFloaterIMSession::inviteToSession(const uuid_vec_t& ids)
+{
+	LLViewerRegion* region = gAgent.getRegion();
+	bool is_region_exist = region != NULL;
+
+	if (is_region_exist)
+	{
+		S32 count = ids.size();
+
+		if( isInviteAllowed() && (count > 0) )
+		{
+			llinfos << "LLFloaterIMSession::inviteToSession() - inviting participants" << llendl;
+
+			std::string url = region->getCapability("ChatSessionRequest");
+
+			LLSD data;
+			data["params"] = LLSD::emptyArray();
+			for (int i = 0; i < count; i++)
+			{
+				data["params"].append(ids[i]);
+			}
+			data["method"] = "invite";
+			data["session-id"] = mSessionID;
+			LLHTTPClient::post(url,	data,new LLSessionInviteResponder(mSessionID));
+		}
+		else
+		{
+			llinfos << "LLFloaterIMSession::inviteToSession -"
+					<< " no need to invite agents for "
+					<< mDialog << llendl;
+			// successful add, because everyone that needed to get added
+			// was added.
+		}
+	}
+
+	return is_region_exist;
+}
+
+void LLFloaterIMSession::addTypingIndicator(const LLIMInfo* im_info)
+{
+	// We may have lost a "stop-typing" packet, don't add it twice
+	if (im_info && !mOtherTyping)
+	{
+		mOtherTyping = true;
+
+		// Update speaker
+		LLIMSpeakerMgr* speaker_mgr = LLIMModel::getInstance()->getSpeakerManager(mSessionID);
+		if ( speaker_mgr )
+		{
+			speaker_mgr->setSpeakerTyping(im_info->mFromID, TRUE);
+		}
+	}
+}
+
+void LLFloaterIMSession::removeTypingIndicator(const LLIMInfo* im_info)
+{
+	if (mOtherTyping)
+	{
+		mOtherTyping = false;
+
+		if (im_info)
+		{
+			// Update speaker
+			LLIMSpeakerMgr* speaker_mgr = LLIMModel::getInstance()->getSpeakerManager(mSessionID);
+			if (speaker_mgr)
+			{
+				speaker_mgr->setSpeakerTyping(im_info->mFromID, FALSE);
+			}
+		}
+	}
+}
+
+// static
+void LLFloaterIMSession::closeHiddenIMToasts()
+{
+	class IMToastMatcher: public LLNotificationsUI::LLScreenChannel::Matcher
+	{
+	public:
+		bool matches(const LLNotificationPtr notification) const
+		{
+			// "notifytoast" type of notifications is reserved for IM notifications
+			return "notifytoast" == notification->getType();
+		}
+	};
+
+	LLNotificationsUI::LLScreenChannel* channel =
+			LLNotificationsUI::LLChannelManager::getNotificationScreenChannel();
+	if (channel != NULL)
+	{
+		channel->closeHiddenToasts(IMToastMatcher());
+	}
+}
+// static
+void LLFloaterIMSession::confirmLeaveCallCallback(const LLSD& notification, const LLSD& response)
+{
+	S32 option = LLNotificationsUtil::getSelectedOption(notification, response);
+	const LLSD& payload = notification["payload"];
+	LLUUID session_id = payload["session_id"];
+
+	LLFloater* im_floater = findInstance(session_id);
+	if (option == 0 && im_floater != NULL)
+	{
+		im_floater->closeFloater();
+	}
+
+	return;
+}
+
+// static
+void LLFloaterIMSession::sRemoveTypingIndicator(const LLSD& data)
+{
+	LLUUID session_id = data["session_id"];
+	if (session_id.isNull())
+		return;
+
+	LLUUID from_id = data["from_id"];
+	if (gAgentID == from_id || LLUUID::null == from_id)
+		return;
+
+	LLFloaterIMSession* floater = LLFloaterIMSession::findInstance(session_id);
+	if (!floater)
+		return;
+
+	if (IM_NOTHING_SPECIAL != floater->mDialog)
+		return;
+
+	floater->removeTypingIndicator();
+}
+
+// static
+void LLFloaterIMSession::onIMChicletCreated( const LLUUID& session_id )
+{
+	LLFloaterIMSession::addToHost(session_id);
+}
+
+boost::signals2::connection LLFloaterIMSession::setIMFloaterShowedCallback(const floater_showed_signal_t::slot_type& cb)
+{
+	return LLFloaterIMSession::sIMFloaterShowedSignal.connect(cb);
+}
diff --git a/indra/newview/llimfloater.h b/indra/newview/llfloaterimsession.h
index f7cd35b5eb..6a2f4b29eb 100644
--- a/indra/newview/llimfloater.h
+++ b/indra/newview/llfloaterimsession.h
@@ -1,6 +1,6 @@
 /** 
- * @file llimfloater.h
- * @brief LLIMFloater class definition
+ * @file llfloaterimsession.h
+ * @brief LLFloaterIMSession class definition
  *
  * $LicenseInfo:firstyear=2009&license=viewerlgpl$
  * Second Life Viewer Source Code
@@ -24,62 +24,72 @@
  * $/LicenseInfo$
  */
 
-#ifndef LL_IMFLOATER_H
-#define LL_IMFLOATER_H
+#ifndef LL_FLOATERIMSESSION_H
+#define LL_FLOATERIMSESSION_H
 
+#include "llimview.h"
+#include "llfloaterimsessiontab.h"
 #include "llinstantmessage.h"
 #include "lllogchat.h"
 #include "lltooldraganddrop.h"
-#include "lltransientdockablefloater.h"
+#include "llvoicechannel.h"
+#include "llvoiceclient.h"
 
 class LLAvatarName;
-class LLLineEditor;
+class LLButton;
+class LLChatEntry;
+class LLTextEditor;
 class LLPanelChatControlPanel;
 class LLChatHistory;
 class LLInventoryItem;
 class LLInventoryCategory;
 
+typedef boost::signals2::signal<void(const LLUUID& session_id)> floater_showed_signal_t;
+
 /**
  * Individual IM window that appears at the bottom of the screen,
  * optionally "docked" to the bottom tray.
  */
-class LLIMFloater : public LLTransientDockableFloater
+class LLFloaterIMSession
+    : public LLVoiceClientStatusObserver
+    , public LLFloaterIMSessionTab
 {
-	LOG_CLASS(LLIMFloater);
+	LOG_CLASS(LLFloaterIMSession);
 public:
-	LLIMFloater(const LLUUID& session_id);
+	LLFloaterIMSession(const LLUUID& session_id);
+
+	virtual ~LLFloaterIMSession();
+
+	void initIMSession(const LLUUID& session_id);
+	void initIMFloater();
 
-	virtual ~LLIMFloater();
-	
 	// LLView overrides
 	/*virtual*/ BOOL postBuild();
 	/*virtual*/ void setVisible(BOOL visible);
 	/*virtual*/ BOOL getVisible();
 	// Check typing timeout timer.
-	/*virtual*/ void draw();
+
+	static LLFloaterIMSession* findInstance(const LLUUID& session_id);
+	static LLFloaterIMSession* getInstance(const LLUUID& session_id);
 
 	// LLFloater overrides
 	/*virtual*/ void onClose(bool app_quitting);
 	/*virtual*/ void setDocked(bool docked, bool pop_on_undock = true);
-
 	// Make IM conversion visible and update the message history
-	static LLIMFloater* show(const LLUUID& session_id);
+	static LLFloaterIMSession* show(const LLUUID& session_id);
 
 	// Toggle panel specified by session_id
 	// Returns true iff panel became visible
 	static bool toggle(const LLUUID& session_id);
 
-	static LLIMFloater* findInstance(const LLUUID& session_id);
-
-	static LLIMFloater* getInstance(const LLUUID& session_id);
-
 	void sessionInitReplyReceived(const LLUUID& im_session_id);
 
 	// get new messages from LLIMModel
-	void updateMessages();
+	/*virtual*/ void updateMessages();
 	void reloadMessages();
-	static void onSendMsg( LLUICtrl*, void*);
-	void sendMsg();
+	static void onSendMsg(LLUICtrl*, void*);
+	void sendMsgFromInputEditor();
+	void sendMsg(const std::string& msg);
 
 	// callback for LLIMModel on new messages
 	// route to specific floater if it is visible
@@ -89,62 +99,66 @@ public:
 	void setPositioned(bool b) { mPositioned = b; };
 
 	void onVisibilityChange(const LLSD& new_visibility);
+	bool enableGearMenuItem(const LLSD& userdata);
+	void GearDoToSelected(const LLSD& userdata);
+	bool checkGearMenuItem(const LLSD& userdata);
+
+	// Implements LLVoiceClientStatusObserver::onChange() to enable the call
+	// button when voice is available
+	void onChange(EStatusType status, const std::string &channelURI,
+			bool proximal);
+
+	virtual LLTransientFloaterMgr::ETransientGroup getGroup() { return LLTransientFloaterMgr::IM; }
+	virtual void onVoiceChannelStateChanged(
+			const LLVoiceChannel::EState& old_state,
+			const LLVoiceChannel::EState& new_state);
+
 	void processIMTyping(const LLIMInfo* im_info, BOOL typing);
 	void processAgentListUpdates(const LLSD& body);
 	void processSessionUpdate(const LLSD& session_update);
 
-	void updateChatHistoryStyle();
-	static void processChatHistoryStyleUpdate(const LLSD& newvalue);
-
-	BOOL handleDragAndDrop(S32 x, S32 y, MASK mask,
-							   BOOL drop, EDragAndDropType cargo_type,
-							   void *cargo_data, EAcceptance *accept,
-							   std::string& tooltip_msg);
-
-	/**
-	 * Returns true if chat is displayed in multi tabbed floater
-	 *         false if chat is displayed in multiple windows
-	 */
-	static bool isChatMultiTab();
+	/*virtual*/ BOOL handleDragAndDrop(S32 x, S32 y, MASK mask, BOOL drop,
+									   EDragAndDropType cargo_type,
+									   void* cargo_data,
+									   EAcceptance* accept,
+									   std::string& tooltip_msg);
 
-	static void initIMFloater();
 
 	//used as a callback on receiving new IM message
 	static void sRemoveTypingIndicator(const LLSD& data);
-
 	static void onIMChicletCreated(const LLUUID& session_id);
+    const LLUUID& getOtherParticipantUUID() {return mOtherParticipantUUID;}
 
-	virtual LLTransientFloaterMgr::ETransientGroup getGroup() { return LLTransientFloaterMgr::IM; }
-
-protected:
-	/* virtual */
-	void	onClickCloseBtn();
+	static boost::signals2::connection setIMFloaterShowedCallback(const floater_showed_signal_t::slot_type& cb);
+	static floater_showed_signal_t sIMFloaterShowedSignal;
 
 private:
-	// process focus events to set a currently active session
-	/* virtual */ void onFocusLost();
-	/* virtual */ void onFocusReceived();
-
-	// Update the window title, input field help text, etc.
-	void updateSessionName(const std::string& ui_title, const std::string& ui_label);
-	
-	// For display name lookups for IM window titles
-	void onAvatarNameCache(const LLUUID& agent_id, const LLAvatarName& av_name);
-	
-	BOOL dropCallingCard(LLInventoryItem* item, BOOL drop);
-	BOOL dropCategory(LLInventoryCategory* category, BOOL drop);
+
+	/*virtual*/ void refresh();
+
+    /*virtual*/ void onTearOffClicked();
+	/*virtual*/ void onClickCloseBtn();
+
+	// Update the window title and input field help text
+	/*virtual*/ void updateSessionName(const std::string& name);
+
+	bool dropPerson(LLUUID* person_id, bool drop);
 
 	BOOL isInviteAllowed() const;
 	BOOL inviteToSession(const uuid_vec_t& agent_ids);
-	
-	static void		onInputEditorFocusReceived( LLFocusableElement* caller, void* userdata );
-	static void		onInputEditorFocusLost(LLFocusableElement* caller, void* userdata);
-	static void		onInputEditorKeystroke(LLLineEditor* caller, void* userdata);
-	void			setTyping(bool typing);
-	void			onSlide();
-	static void*	createPanelIMControl(void* userdata);
-	static void*	createPanelGroupControl(void* userdata);
-	static void* 	createPanelAdHocControl(void* userdata);
+	static void onInputEditorFocusReceived( LLFocusableElement* caller,void* userdata );
+	static void onInputEditorFocusLost(LLFocusableElement* caller, void* userdata);
+	static void onInputEditorKeystroke(LLTextEditor* caller, void* userdata);
+	void setTyping(bool typing);
+	void onAddButtonClicked();
+	void addSessionParticipants(const uuid_vec_t& uuids);
+	void addP2PSessionParticipants(const LLSD& notification, const LLSD& response, const uuid_vec_t& uuids);
+	void sendParticipantsAddedNotification(const uuid_vec_t& uuids);
+	bool canAddSelectedToChat(const uuid_vec_t& uuids);
+
+	void onCallButtonClicked();
+
+	void boundVoiceChannel();
 
 	// Add the "User is typing..." indicator.
 	void addTypingIndicator(const LLIMInfo* im_info);
@@ -156,17 +170,12 @@ private:
 
 	static void confirmLeaveCallCallback(const LLSD& notification, const LLSD& response);
 
-	LLPanelChatControlPanel* mControlPanel;
-	LLUUID mSessionID;
 	S32 mLastMessageIndex;
 
 	EInstantMessage mDialog;
 	LLUUID mOtherParticipantUUID;
-	LLChatHistory* mChatHistory;
-	LLLineEditor* mInputEditor;
 	bool mPositioned;
 
-	std::string mSavedTitle;
 	LLUIString mTypingStart;
 	bool mMeTyping;
 	bool mOtherTyping;
@@ -176,7 +185,11 @@ private:
 
 	bool mSessionInitialized;
 	LLSD mQueuedMsgsForInit;
-};
 
+	uuid_vec_t mInvitedParticipants;
+
+	// connection to voice channel state change signal
+	boost::signals2::connection mVoiceChannelStateChangeConnection;
+};
 
-#endif  // LL_IMFLOATER_H
+#endif  // LL_FLOATERIMSESSION_H
diff --git a/indra/newview/llfloaterimsessiontab.cpp b/indra/newview/llfloaterimsessiontab.cpp
new file mode 100644
index 0000000000..d4eb03f95d
--- /dev/null
+++ b/indra/newview/llfloaterimsessiontab.cpp
@@ -0,0 +1,900 @@
+/**
+ * @file llfloaterimsessiontab.cpp
+ * @brief LLFloaterIMSessionTab class implements the common behavior of LNearbyChatBar
+ * @brief and LLFloaterIMSession for hosting both in LLIMContainer
+ *
+ * $LicenseInfo:firstyear=2012&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2012, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#include "llviewerprecompiledheaders.h"
+
+#include "llfloaterimsessiontab.h"
+
+#include "llagent.h"
+#include "llavataractions.h"
+#include "llchatentry.h"
+#include "llchathistory.h"
+#include "llchiclet.h"
+#include "llchicletbar.h"
+#include "lldraghandle.h"
+#include "llfloaterreg.h"
+#include "llfloaterimsession.h"
+#include "llfloaterimcontainer.h" // to replace separate IM Floaters with multifloater container
+#include "lllayoutstack.h"
+#include "lltoolbarview.h"
+#include "llfloaterimnearbychat.h"
+
+const F32 REFRESH_INTERVAL = 1.0f;
+
+LLFloaterIMSessionTab::LLFloaterIMSessionTab(const LLSD& session_id)
+  : LLTransientDockableFloater(NULL, true, session_id)
+  ,  mIsP2PChat(false)
+  ,  mExpandCollapseBtn(NULL)
+  ,  mTearOffBtn(NULL)
+  ,  mCloseBtn(NULL)
+  ,  mSessionID(session_id.asUUID())
+  , mConversationsRoot(NULL)
+  , mScroller(NULL)
+  , mSpeakingIndicator(NULL)
+  , mChatHistory(NULL)
+  , mInputEditor(NULL)
+  , mInputEditorTopPad(0)
+  , mRefreshTimer(new LLTimer())
+  , mIsHostAttached(false)
+{
+    setAutoFocus(FALSE);
+	mSession = LLIMModel::getInstance()->findIMSession(mSessionID);
+
+	mCommitCallbackRegistrar.add("IMSession.Menu.Action",
+			boost::bind(&LLFloaterIMSessionTab::onIMSessionMenuItemClicked,  this, _2));
+	mEnableCallbackRegistrar.add("IMSession.Menu.CompactExpandedModes.CheckItem",
+			boost::bind(&LLFloaterIMSessionTab::onIMCompactExpandedMenuItemCheck, this, _2));
+	mEnableCallbackRegistrar.add("IMSession.Menu.ShowModes.CheckItem",
+			boost::bind(&LLFloaterIMSessionTab::onIMShowModesMenuItemCheck,   this, _2));
+	mEnableCallbackRegistrar.add("IMSession.Menu.ShowModes.Enable",
+			boost::bind(&LLFloaterIMSessionTab::onIMShowModesMenuItemEnable,  this, _2));
+
+	// Right click menu handling
+    mEnableCallbackRegistrar.add("Avatar.CheckItem",  boost::bind(&LLFloaterIMSessionTab::checkContextMenuItem,	this, _2));
+    mEnableCallbackRegistrar.add("Avatar.EnableItem", boost::bind(&LLFloaterIMSessionTab::enableContextMenuItem, this, _2));
+    mCommitCallbackRegistrar.add("Avatar.DoToSelected", boost::bind(&LLFloaterIMSessionTab::doToSelected, this, _2));
+}
+
+LLFloaterIMSessionTab::~LLFloaterIMSessionTab()
+{
+	delete mRefreshTimer;
+
+	// Select Nearby Chat session
+	LLFloaterIMContainer* container = LLFloaterReg::findTypedInstance<LLFloaterIMContainer>("im_container");
+	if (container)
+	{
+		container->selectConversationPair(LLUUID(NULL), true);
+	}
+}
+
+//static
+LLFloaterIMSessionTab* LLFloaterIMSessionTab::findConversation(const LLUUID& uuid)
+{
+	LLFloaterIMSessionTab* conv;
+
+	if (uuid.isNull())
+	{
+		conv = LLFloaterReg::findTypedInstance<LLFloaterIMSessionTab>("nearby_chat");
+	}
+	else
+	{
+		conv = LLFloaterReg::findTypedInstance<LLFloaterIMSessionTab>("impanel", LLSD(uuid));
+	}
+
+	return conv;
+};
+
+//static
+LLFloaterIMSessionTab* LLFloaterIMSessionTab::getConversation(const LLUUID& uuid)
+{
+	LLFloaterIMSessionTab* conv;
+
+	if (uuid.isNull())
+	{
+		conv = LLFloaterReg::getTypedInstance<LLFloaterIMSessionTab>("nearby_chat");
+	}
+	else
+	{
+		conv = LLFloaterReg::getTypedInstance<LLFloaterIMSessionTab>("impanel", LLSD(uuid));
+	}
+
+	return conv;
+};
+
+void LLFloaterIMSessionTab::setVisible(BOOL visible)
+{
+	LLTransientDockableFloater::setVisible(visible);
+
+	if(visible)
+	{
+			LLFloaterIMSessionTab::addToHost(mSessionID);
+	}
+}
+
+/*virtual*/
+void LLFloaterIMSessionTab::setFocus(BOOL focus)
+{
+	LLTransientDockableFloater::setFocus(focus);
+
+    //Redirect focus to input editor
+    if (focus)
+	{
+    	updateMessages();
+
+        if (mInputEditor)
+        {
+    	    mInputEditor->setFocus(TRUE);
+        }
+	}
+}
+
+
+void LLFloaterIMSessionTab::addToHost(const LLUUID& session_id)
+{
+	if ((session_id.notNull() && !gIMMgr->hasSession(session_id))
+			|| !LLFloaterIMSessionTab::isChatMultiTab())
+	{
+		return;
+	}
+
+	// Get the floater: this will create the instance if it didn't exist
+	LLFloaterIMSessionTab* conversp = LLFloaterIMSessionTab::getConversation(session_id);
+	if (conversp)
+	{
+		LLFloaterIMContainer* floater_container = LLFloaterIMContainer::getInstance();
+
+		// Do not add again existing floaters
+		if (floater_container && !conversp->isHostAttached())
+		{
+			conversp->setHostAttached(true);
+
+			if (!conversp->isNearbyChat()
+					|| gSavedSettings.getBOOL("NearbyChatIsNotTornOff"))
+			{
+				floater_container->addFloater(conversp, false, LLTabContainer::RIGHT_OF_CURRENT);
+			}
+			else
+			{
+				// setting of the "potential" host for Nearby Chat: this sequence sets
+				// LLFloater::mHostHandle = NULL (a current host), but
+				// LLFloater::mLastHostHandle = floater_container (a "future" host)
+				conversp->setHost(floater_container);
+				conversp->setHost(NULL);
+				conversp->forceReshape();
+			}
+			// Added floaters share some state (like sort order) with their host
+			conversp->setSortOrder(floater_container->getSortOrder());
+		}
+	}
+}
+
+BOOL LLFloaterIMSessionTab::postBuild()
+{
+	BOOL result;
+
+	mCloseBtn = getChild<LLButton>("close_btn");
+	mCloseBtn->setCommitCallback(boost::bind(&LLFloater::onClickClose, this));
+
+	mExpandCollapseBtn = getChild<LLButton>("expand_collapse_btn");
+	mExpandCollapseBtn->setClickedCallback(boost::bind(&LLFloaterIMSessionTab::onSlide, this));
+
+	mTearOffBtn = getChild<LLButton>("tear_off_btn");
+	mTearOffBtn->setCommitCallback(boost::bind(&LLFloaterIMSessionTab::onTearOffClicked, this));
+
+	mGearBtn = getChild<LLButton>("gear_btn");
+
+	mParticipantListPanel = getChild<LLLayoutPanel>("speakers_list_panel");
+	
+	// Add a scroller for the folder (participant) view
+	LLRect scroller_view_rect = mParticipantListPanel->getRect();
+	scroller_view_rect.translate(-scroller_view_rect.mLeft, -scroller_view_rect.mBottom);
+	LLScrollContainer::Params scroller_params(LLUICtrlFactory::getDefaultParams<LLFolderViewScrollContainer>());
+	scroller_params.rect(scroller_view_rect);
+	mScroller = LLUICtrlFactory::create<LLFolderViewScrollContainer>(scroller_params);
+	mScroller->setFollowsAll();
+	
+    mSpeakingIndicator = getChild<LLOutputMonitorCtrl>("speaking_indicator");
+
+	// Insert that scroller into the panel widgets hierarchy
+	mParticipantListPanel->addChild(mScroller);	
+	
+	mChatHistory = getChild<LLChatHistory>("chat_history");
+
+	mInputEditor = getChild<LLChatEntry>("chat_editor");
+	mInputEditor->setTextExpandedCallback(boost::bind(&LLFloaterIMSessionTab::reshapeChatHistory, this));
+	mInputEditor->setCommitOnFocusLost( FALSE );
+	mInputEditor->setPassDelete(TRUE);
+	mInputEditor->setFont(LLViewerChat::getChatFont());
+
+	mInputEditorTopPad = mChatHistory->getRect().mBottom - mInputEditor->getRect().mTop;
+
+	setOpenPositioning(LLFloaterEnums::POSITIONING_RELATIVE);
+
+	mSaveRect = isNearbyChat()
+					&&  !gSavedSettings.getBOOL("NearbyChatIsNotTornOff");
+	initRectControl();
+
+	if (isChatMultiTab())
+	{
+		result = LLFloater::postBuild();
+	}
+	else
+	{
+		result = LLDockableFloater::postBuild();
+	}
+
+	// Create the root using an ad-hoc base item
+	LLConversationItem* base_item = new LLConversationItem(mSessionID, mConversationViewModel);
+    LLFolderView::Params p(LLUICtrlFactory::getDefaultParams<LLFolderView>());
+    p.rect = LLRect(0, 0, getRect().getWidth(), 0);
+    p.parent_panel = mParticipantListPanel;
+    p.listener = base_item;
+    p.view_model = &mConversationViewModel;
+    p.root = NULL;
+    p.use_ellipses = true;
+    p.options_menu = "menu_conversation.xml";
+	mConversationsRoot = LLUICtrlFactory::create<LLFolderView>(p);
+    mConversationsRoot->setCallbackRegistrar(&mCommitCallbackRegistrar);
+	// Attach that root to the scroller
+	mScroller->addChild(mConversationsRoot);
+	mConversationsRoot->setScrollContainer(mScroller);
+	mConversationsRoot->setFollowsAll();
+	mConversationsRoot->addChild(mConversationsRoot->mStatusTextBox);
+
+	buildConversationViewParticipant();
+	refreshConversation();
+
+	// Zero expiry time is set only once to allow initial update.
+	mRefreshTimer->setTimerExpirySec(0);
+	mRefreshTimer->start();
+	initBtns();
+	return result;
+}
+
+LLParticipantList* LLFloaterIMSessionTab::getParticipantList()
+{
+	return dynamic_cast<LLParticipantList*>(LLFloaterIMContainer::getInstance()->getSessionModel(mSessionID));
+}
+
+void LLFloaterIMSessionTab::draw()
+{
+	if (mRefreshTimer->hasExpired())
+	{
+		LLParticipantList* item = getParticipantList();
+		if (item)
+		{
+			// Update all model items
+			item->update();
+			// If the model and view list diverge in count, rebuild
+			// Note: this happens sometimes right around init (add participant events fire but get dropped) and is the cause
+			// of missing participants, often, the user agent itself. As there will be no other event fired, there's
+			// no other choice but get those inconsistencies regularly (and lightly) checked and scrubbed.
+			if (item->getChildrenCount() != mConversationsWidgets.size())
+			{
+				buildConversationViewParticipant();
+			}
+			refreshConversation();
+		}
+
+		// Restart the refresh timer
+		mRefreshTimer->setTimerExpirySec(REFRESH_INTERVAL);
+	}
+	
+	LLTransientDockableFloater::draw();
+}
+
+void LLFloaterIMSessionTab::enableDisableCallBtn()
+{
+    getChildView("voice_call_btn")->setEnabled(
+    		mSessionID.notNull()
+    		&& mSession
+    		&& mSession->mSessionInitialized
+    		&& LLVoiceClient::getInstance()->voiceEnabled()
+    		&& LLVoiceClient::getInstance()->isVoiceWorking()
+    		&& mSession->mCallBackEnabled);
+}
+
+void LLFloaterIMSessionTab::onFocusReceived()
+{
+	setBackgroundOpaque(true);
+
+	if (mSessionID.notNull() && isInVisibleChain())
+	{
+		LLIMModel::instance().sendNoUnreadMessages(mSessionID);
+	}
+
+	LLTransientDockableFloater::onFocusReceived();
+
+	LLFloaterIMContainer* container = LLFloaterReg::findTypedInstance<LLFloaterIMContainer>("im_container");
+	if (container)
+	{
+		container->selectConversationPair(mSessionID, true);
+		container->showStub(! getHost());
+	}
+}
+
+void LLFloaterIMSessionTab::onFocusLost()
+{
+	setBackgroundOpaque(false);
+	LLTransientDockableFloater::onFocusLost();
+}
+
+std::string LLFloaterIMSessionTab::appendTime()
+{
+	time_t utc_time;
+	utc_time = time_corrected();
+	std::string timeStr ="["+ LLTrans::getString("TimeHour")+"]:["
+		+LLTrans::getString("TimeMin")+"]";
+
+	LLSD substitution;
+
+	substitution["datetime"] = (S32) utc_time;
+	LLStringUtil::format (timeStr, substitution);
+
+	return timeStr;
+}
+
+void LLFloaterIMSessionTab::appendMessage(const LLChat& chat, const LLSD &args)
+{
+
+	// Update the participant activity time
+	LLFloaterIMContainer* im_box = LLFloaterIMContainer::findInstance();
+	if (im_box)
+	{
+		im_box->setTimeNow(mSessionID,chat.mFromID);
+	}
+	
+
+	LLChat& tmp_chat = const_cast<LLChat&>(chat);
+
+	if(tmp_chat.mTimeStr.empty())
+		tmp_chat.mTimeStr = appendTime();
+
+	if (!chat.mMuted)
+	{
+		tmp_chat.mFromName = chat.mFromName;
+		LLSD chat_args;
+		if (args) chat_args = args;
+		chat_args["use_plain_text_chat_history"] =
+				gSavedSettings.getBOOL("PlainTextChatHistory");
+		chat_args["show_time"] = gSavedSettings.getBOOL("IMShowTime");
+		chat_args["show_names_for_p2p_conv"] =
+				!mIsP2PChat || gSavedSettings.getBOOL("IMShowNamesForP2PConv");
+
+		if (mChatHistory)
+		{
+			mChatHistory->appendMessage(chat, chat_args);
+		}
+	}
+}
+
+
+void LLFloaterIMSessionTab::buildConversationViewParticipant()
+{
+	// Clear the widget list since we are rebuilding afresh from the model
+	conversations_widgets_map::iterator widget_it = mConversationsWidgets.begin();
+	while (widget_it != mConversationsWidgets.end())
+	{
+		removeConversationViewParticipant(widget_it->first);
+		// Iterators are invalidated by erase so we need to pick begin again
+		widget_it = mConversationsWidgets.begin();
+	}
+	
+	// Get the model list
+	LLParticipantList* item = getParticipantList();
+	if (!item)
+	{
+		// Nothing to do if the model list is inexistent
+		return;
+	}
+	
+	// Create the participants widgets now
+	LLFolderViewModelItemCommon::child_list_t::const_iterator current_participant_model = item->getChildrenBegin();
+	LLFolderViewModelItemCommon::child_list_t::const_iterator end_participant_model = item->getChildrenEnd();
+	while (current_participant_model != end_participant_model)
+	{
+		LLConversationItem* participant_model = dynamic_cast<LLConversationItem*>(*current_participant_model);
+		addConversationViewParticipant(participant_model);
+		current_participant_model++;
+	}
+}
+
+void LLFloaterIMSessionTab::addConversationViewParticipant(LLConversationItem* participant_model)
+{
+	// Check if the model already has an associated view
+	LLUUID uuid = participant_model->getUUID();
+	LLFolderViewItem* widget = get_ptr_in_map(mConversationsWidgets,uuid);
+	
+	// If not already present, create the participant view and attach it to the root, otherwise, just refresh it
+	if (widget)
+	{
+		updateConversationViewParticipant(uuid); // overkill?
+	}
+	else
+	{
+		LLConversationViewParticipant* participant_view = createConversationViewParticipant(participant_model);
+		mConversationsWidgets[uuid] = participant_view;
+		participant_view->addToFolder(mConversationsRoot);
+		participant_view->addToSession(mSessionID);
+		participant_view->setVisible(TRUE);
+	}
+}
+
+void LLFloaterIMSessionTab::removeConversationViewParticipant(const LLUUID& participant_id)
+{
+	LLFolderViewItem* widget = get_ptr_in_map(mConversationsWidgets,participant_id);
+	if (widget)
+	{
+		mConversationsRoot->extractItem(widget);
+		delete widget;
+		mConversationsWidgets.erase(participant_id);
+	}
+}
+
+void LLFloaterIMSessionTab::updateConversationViewParticipant(const LLUUID& participant_id)
+{
+	LLFolderViewItem* widget = get_ptr_in_map(mConversationsWidgets,participant_id);
+	if (widget)
+	{
+		widget->refresh();
+	}
+}
+
+void LLFloaterIMSessionTab::refreshConversation()
+{
+	// Note: We collect participants names to change the session name only in the case of ad-hoc conversations
+	bool is_ad_hoc = (mSession ? mSession->isAdHocSessionType() : false);
+	uuid_vec_t participants_uuids; // uuids vector for building the added participants name string
+	// For P2P chat, we still need to update the session name who may have changed (switch display name for instance)
+	if (mIsP2PChat && mSession)
+	{
+		participants_uuids.push_back(mSession->mOtherParticipantID);
+	}
+
+	conversations_widgets_map::iterator widget_it = mConversationsWidgets.begin();
+	while (widget_it != mConversationsWidgets.end())
+	{
+		// Add the participant to the list except if it's the agent itself (redundant)
+		if (is_ad_hoc && (widget_it->first != gAgentID))
+		{
+			participants_uuids.push_back(widget_it->first);
+		}
+		widget_it->second->refresh();
+		widget_it->second->setVisible(TRUE);
+		++widget_it;
+	}
+	if (is_ad_hoc || mIsP2PChat)
+	{
+		// Build the session name and update it
+		std::string session_name;
+		if (participants_uuids.size() != 0)
+		{
+			LLAvatarActions::buildResidentsString(participants_uuids, session_name);
+		}
+		else
+		{
+			session_name = LLIMModel::instance().getName(mSessionID);
+		}
+		updateSessionName(session_name);
+	}
+	
+	mConversationViewModel.requestSortAll();
+	if(mConversationsRoot != NULL)
+	{
+		mConversationsRoot->arrangeAll();
+		mConversationsRoot->update();
+	}
+	updateHeaderAndToolbar();
+	refresh();
+}
+
+// Copied from LLFloaterIMContainer::createConversationViewParticipant(). Refactor opportunity!
+LLConversationViewParticipant* LLFloaterIMSessionTab::createConversationViewParticipant(LLConversationItem* item)
+{
+    LLRect panel_rect = mParticipantListPanel->getRect();
+	
+	LLConversationViewParticipant::Params params;
+	params.name = item->getDisplayName();
+	params.root = mConversationsRoot;
+	params.listener = item;
+	params.rect = LLRect (0, 24, panel_rect.getWidth(), 0); // *TODO: use conversation_view_participant.xml itemHeight value in lieu of 24
+	params.tool_tip = params.name;
+	params.participant_id = item->getUUID();
+	
+	return LLUICtrlFactory::create<LLConversationViewParticipant>(params);
+}
+
+void LLFloaterIMSessionTab::setSortOrder(const LLConversationSort& order)
+{
+	mConversationViewModel.setSorter(order);
+	mConversationsRoot->arrangeAll();
+	refreshConversation();
+}
+
+void LLFloaterIMSessionTab::onIMSessionMenuItemClicked(const LLSD& userdata)
+{
+	std::string item = userdata.asString();
+
+	if (item == "compact_view" || item == "expanded_view")
+	{
+		gSavedSettings.setBOOL("PlainTextChatHistory", item == "compact_view");
+	}
+	else
+	{
+		bool prev_value = gSavedSettings.getBOOL(item);
+		gSavedSettings.setBOOL(item, !prev_value);
+	}
+
+	LLFloaterIMSessionTab::processChatHistoryStyleUpdate();
+}
+
+
+bool LLFloaterIMSessionTab::onIMCompactExpandedMenuItemCheck(const LLSD& userdata)
+{
+	std::string item = userdata.asString();
+	bool is_plain_text_mode = gSavedSettings.getBOOL("PlainTextChatHistory");
+
+	return is_plain_text_mode? item == "compact_view" : item == "expanded_view";
+}
+
+
+bool LLFloaterIMSessionTab::onIMShowModesMenuItemCheck(const LLSD& userdata)
+{
+	return gSavedSettings.getBOOL(userdata.asString());
+}
+
+// enable/disable states for the "show time" and "show names" items of the show-modes menu
+bool LLFloaterIMSessionTab::onIMShowModesMenuItemEnable(const LLSD& userdata)
+{
+	std::string item = userdata.asString();
+	bool plain_text = gSavedSettings.getBOOL("PlainTextChatHistory");
+	bool is_not_names = (item != "IMShowNamesForP2PConv");
+	return (plain_text && (is_not_names || mIsP2PChat));
+}
+
+void LLFloaterIMSessionTab::hideOrShowTitle()
+{
+	const LLFloater::Params& default_params = LLFloater::getDefaultParams();
+	S32 floater_header_size = default_params.header_height;
+	LLView* floater_contents = getChild<LLView>("contents_view");
+
+	LLRect floater_rect = getLocalRect();
+	S32 top_border_of_contents = floater_rect.mTop - (isTornOff()? floater_header_size : 0);
+	LLRect handle_rect (0, floater_rect.mTop, floater_rect.mRight, top_border_of_contents);
+	LLRect contents_rect (0, top_border_of_contents, floater_rect.mRight, floater_rect.mBottom);
+	mDragHandle->setShape(handle_rect);
+	mDragHandle->setVisible(isTornOff());
+	floater_contents->setShape(contents_rect);
+}
+
+void LLFloaterIMSessionTab::updateSessionName(const std::string& name)
+{
+	mInputEditor->setLabel(LLTrans::getString("IM_to_label") + " " + name);
+}
+
+void LLFloaterIMSessionTab::hideAllStandardButtons()
+{
+	for (S32 i = 0; i < BUTTON_COUNT; i++)
+	{
+		if (mButtons[i])
+		{
+			// Hide the standard header buttons in a docked IM floater.
+			mButtons[i]->setVisible(false);
+		}
+	}
+}
+
+void LLFloaterIMSessionTab::updateHeaderAndToolbar()
+{
+	// prevent start conversation before its container
+    LLFloaterIMContainer::getInstance();
+
+	bool is_not_torn_off = !checkIfTornOff();
+	if (is_not_torn_off)
+	{
+		hideAllStandardButtons();
+	}
+
+	hideOrShowTitle();
+
+	// Participant list should be visible only in torn off floaters.
+	bool is_participant_list_visible =
+			!is_not_torn_off
+			&& gSavedSettings.getBOOL("IMShowControlPanel")
+			&& !mIsP2PChat;
+
+	mParticipantListPanel->setVisible(is_participant_list_visible);
+
+	// Display collapse image (<<) if the floater is hosted
+	// or if it is torn off but has an open control panel.
+	bool is_expanded = is_not_torn_off || is_participant_list_visible;
+	mExpandCollapseBtn->setImageOverlay(getString(is_expanded ? "collapse_icon" : "expand_icon"));
+	mExpandCollapseBtn->setToolTip(
+			is_not_torn_off?
+				getString("expcol_button_not_tearoff_tooltip") :
+				(is_expanded?
+					getString("expcol_button_tearoff_and_expanded_tooltip") :
+					getString("expcol_button_tearoff_and_collapsed_tooltip")));
+
+	// toggle floater's drag handle and title visibility
+	if (mDragHandle)
+	{
+		mDragHandle->setTitleVisible(!is_not_torn_off);
+	}
+
+	// The button (>>) should be disabled for torn off P2P conversations.
+	mExpandCollapseBtn->setEnabled(is_not_torn_off || !mIsP2PChat);
+
+	mTearOffBtn->setImageOverlay(getString(is_not_torn_off? "tear_off_icon" : "return_icon"));
+	mTearOffBtn->setToolTip(getString(is_not_torn_off? "tooltip_to_separate_window" : "tooltip_to_main_window"));
+
+	mCloseBtn->setVisible(is_not_torn_off && !mIsNearbyChat);
+
+	enableDisableCallBtn();
+
+	showTranslationCheckbox();
+}
+ 
+void LLFloaterIMSessionTab::forceReshape()
+{
+    LLRect floater_rect = getRect();
+    reshape(llmax(floater_rect.getWidth(), this->getMinWidth()),
+    		llmax(floater_rect.getHeight(), this->getMinHeight()),
+    		true);
+}
+
+
+void LLFloaterIMSessionTab::reshapeChatHistory()
+{
+	LLRect chat_rect  = mChatHistory->getRect();
+	LLRect input_rect = mInputEditor->getRect();
+
+	int delta_height = chat_rect.mBottom - (input_rect.mTop + mInputEditorTopPad);
+
+	chat_rect.setLeftTopAndSize(chat_rect.mLeft, chat_rect.mTop, chat_rect.getWidth(), chat_rect.getHeight() + delta_height);
+	mChatHistory->setShape(chat_rect);
+}
+
+void LLFloaterIMSessionTab::showTranslationCheckbox(BOOL show)
+{
+	getChild<LLUICtrl>("translate_chat_checkbox_lp")->setVisible(mIsNearbyChat? show : FALSE);
+}
+
+// static
+void LLFloaterIMSessionTab::processChatHistoryStyleUpdate()
+{
+	LLFloaterReg::const_instance_list_t& inst_list = LLFloaterReg::getFloaterList("impanel");
+	for (LLFloaterReg::const_instance_list_t::const_iterator iter = inst_list.begin();
+			iter != inst_list.end(); ++iter)
+	{
+		LLFloaterIMSession* floater = dynamic_cast<LLFloaterIMSession*>(*iter);
+		if (floater)
+		{
+			floater->reloadMessages();
+		}
+	}
+
+	LLFloaterIMNearbyChat* nearby_chat = LLFloaterReg::findTypedInstance<LLFloaterIMNearbyChat>("nearby_chat");
+	if (nearby_chat)
+	{
+             nearby_chat->reloadMessages();
+	}
+}
+
+void LLFloaterIMSessionTab::updateCallBtnState(bool callIsActive)
+{
+	LLButton* voiceButton = getChild<LLButton>("voice_call_btn");
+	voiceButton->setImageOverlay(
+			callIsActive? getString("call_btn_stop") : getString("call_btn_start"));
+
+	voiceButton->setToolTip(
+			callIsActive? getString("end_call_button_tooltip") : getString("start_call_button_tooltip"));
+
+	enableDisableCallBtn();
+
+}
+
+void LLFloaterIMSessionTab::onSlide(LLFloaterIMSessionTab* self)
+{
+	LLFloaterIMContainer* host_floater = dynamic_cast<LLFloaterIMContainer*>(self->getHost());
+	if (host_floater)
+	{
+		// Hide the messages pane if a floater is hosted in the Conversations
+		host_floater->collapseMessagesPane(true);
+	}
+	else ///< floater is torn off
+	{
+		if (!self->mIsP2PChat)
+		{
+			bool expand = !self->mParticipantListPanel->getVisible();
+
+			// Expand/collapse the IM control panel
+			self->mParticipantListPanel->setVisible(expand);
+
+			gSavedSettings.setBOOL("IMShowControlPanel", expand);
+
+			self->mExpandCollapseBtn->setImageOverlay(self->getString(expand ? "collapse_icon" : "expand_icon"));
+		}
+	}
+}
+
+/*virtual*/
+void LLFloaterIMSessionTab::onOpen(const LLSD& key)
+{
+	if (!checkIfTornOff())
+	{
+		LLFloaterIMContainer* host_floater = dynamic_cast<LLFloaterIMContainer*>(getHost());
+		// Show the messages pane when opening a floater hosted in the Conversations
+		host_floater->collapseMessagesPane(false);
+	}
+}
+
+
+void LLFloaterIMSessionTab::onTearOffClicked()
+{
+    setFollows(isTornOff()? FOLLOWS_ALL : FOLLOWS_NONE);
+    mSaveRect = isTornOff();
+    initRectControl();
+	LLFloater::onClickTearOff(this);
+	if (isTornOff())
+	{
+		forceReshape();
+	}
+	refreshConversation();
+	updateGearBtn();
+}
+
+void LLFloaterIMSessionTab::updateGearBtn()
+{
+
+	BOOL prevVisibility = mGearBtn->getVisible();
+	mGearBtn->setVisible(checkIfTornOff() && mIsP2PChat);
+
+
+	// Move buttons if Gear button changed visibility
+	if(prevVisibility != mGearBtn->getVisible())
+	{
+		LLRect gear_btn_rect =  mGearBtn->getRect();
+		LLRect add_btn_rect = getChild<LLButton>("add_btn")->getRect();
+		LLRect call_btn_rect = getChild<LLButton>("voice_call_btn")->getRect();
+		S32 gap_width = call_btn_rect.mLeft - add_btn_rect.mRight;
+		S32 right_shift = gear_btn_rect.getWidth() + gap_width;
+		if(mGearBtn->getVisible())
+		{
+			// Move buttons to the right to give space for Gear button
+			add_btn_rect.translate(right_shift,0);
+			call_btn_rect.translate(right_shift,0);
+		}
+		else
+		{
+			add_btn_rect.translate(-right_shift,0);
+			call_btn_rect.translate(-right_shift,0);
+		}
+		getChild<LLButton>("add_btn")->setRect(add_btn_rect);
+		getChild<LLButton>("voice_call_btn")->setRect(call_btn_rect);
+	}
+}
+
+void LLFloaterIMSessionTab::initBtns()
+{
+	LLRect gear_btn_rect =  mGearBtn->getRect();
+	LLRect add_btn_rect = getChild<LLButton>("add_btn")->getRect();
+	LLRect call_btn_rect = getChild<LLButton>("voice_call_btn")->getRect();
+	S32 gap_width = call_btn_rect.mLeft - add_btn_rect.mRight;
+	S32 right_shift = gear_btn_rect.getWidth() + gap_width;
+
+	add_btn_rect.translate(-right_shift,0);
+	call_btn_rect.translate(-right_shift,0);
+
+	getChild<LLButton>("add_btn")->setRect(add_btn_rect);
+	getChild<LLButton>("voice_call_btn")->setRect(call_btn_rect);
+}
+
+// static
+bool LLFloaterIMSessionTab::isChatMultiTab()
+{
+	// Restart is required in order to change chat window type.
+	return true;
+}
+
+bool LLFloaterIMSessionTab::checkIfTornOff()
+{
+	bool isTorn = !getHost();
+	
+	if (isTorn != isTornOff())
+	{
+		setTornOff(isTorn);
+		refreshConversation();
+	}
+
+	return isTorn;
+}
+
+void LLFloaterIMSessionTab::doToSelected(const LLSD& userdata)
+{
+	// Get the list of selected items in the tab
+    std::string command = userdata.asString();
+    uuid_vec_t selected_uuids;
+	getSelectedUUIDs(selected_uuids);
+		
+	// Perform the command (IM, profile, etc...) on the list using the general conversation container method
+	LLFloaterIMContainer* floater_container = LLFloaterIMContainer::getInstance();
+	// Note: By construction, those can only be participants so we can call doToParticipants() directly
+	floater_container->doToParticipants(command, selected_uuids);
+}
+
+bool LLFloaterIMSessionTab::enableContextMenuItem(const LLSD& userdata)
+{
+	// Get the list of selected items in the tab
+    std::string command = userdata.asString();
+    uuid_vec_t selected_uuids;
+	getSelectedUUIDs(selected_uuids);
+	
+	// Perform the item enable test on the list using the general conversation container method
+	LLFloaterIMContainer* floater_container = LLFloaterIMContainer::getInstance();
+	return floater_container->enableContextMenuItem(command, selected_uuids);
+}
+
+bool LLFloaterIMSessionTab::checkContextMenuItem(const LLSD& userdata)
+{
+	// Get the list of selected items in the tab
+    std::string command = userdata.asString();
+    uuid_vec_t selected_uuids;
+	getSelectedUUIDs(selected_uuids);
+	
+	// Perform the item check on the list using the general conversation container method
+	LLFloaterIMContainer* floater_container = LLFloaterIMContainer::getInstance();
+	return floater_container->checkContextMenuItem(command, selected_uuids);
+}
+
+void LLFloaterIMSessionTab::getSelectedUUIDs(uuid_vec_t& selected_uuids)
+{
+    const std::set<LLFolderViewItem*> selected_items = mConversationsRoot->getSelectionList();
+	
+    std::set<LLFolderViewItem*>::const_iterator it = selected_items.begin();
+    const std::set<LLFolderViewItem*>::const_iterator it_end = selected_items.end();
+	
+    for (; it != it_end; ++it)
+    {
+        LLConversationItem* conversation_item = static_cast<LLConversationItem *>((*it)->getViewModelItem());
+        selected_uuids.push_back(conversation_item->getUUID());
+    }
+}
+
+LLConversationItem* LLFloaterIMSessionTab::getCurSelectedViewModelItem()
+{
+	LLConversationItem *conversationItem = NULL;
+
+	if(mConversationsRoot && 
+        mConversationsRoot->getCurSelectedItem() && 
+        mConversationsRoot->getCurSelectedItem()->getViewModelItem())
+	{
+		conversationItem = static_cast<LLConversationItem *>(mConversationsRoot->getCurSelectedItem()->getViewModelItem()) ;
+	}
+
+	return conversationItem;
+}
diff --git a/indra/newview/llfloaterimsessiontab.h b/indra/newview/llfloaterimsessiontab.h
new file mode 100644
index 0000000000..0fa99a46be
--- /dev/null
+++ b/indra/newview/llfloaterimsessiontab.h
@@ -0,0 +1,190 @@
+/**
+ * @file llfloaterimsessiontab.h
+ * @brief LLFloaterIMSessionTab class implements the common behavior of LNearbyChatBar
+ * @brief and LLFloaterIMSession for hosting both in LLIMContainer
+ *
+ * $LicenseInfo:firstyear=2012&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2012, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_FLOATERIMSESSIONTAB_H
+#define LL_FLOATERIMSESSIONTAB_H
+
+#include "lllayoutstack.h"
+#include "llparticipantlist.h"
+#include "lltransientdockablefloater.h"
+#include "llviewercontrol.h"
+#include "lleventtimer.h"
+#include "llimview.h"
+#include "llconversationmodel.h"
+#include "llconversationview.h"
+#include "lltexteditor.h"
+
+class LLPanelChatControlPanel;
+class LLChatEntry;
+class LLChatHistory;
+
+class LLFloaterIMSessionTab
+	: public LLTransientDockableFloater
+{
+
+public:
+	LOG_CLASS(LLFloaterIMSessionTab);
+
+	LLFloaterIMSessionTab(const LLSD& session_id);
+	~LLFloaterIMSessionTab();
+
+	// reload all message with new settings of visual modes
+	static void processChatHistoryStyleUpdate();
+
+	/**
+	 * Returns true if chat is displayed in multi tabbed floater
+	 *         false if chat is displayed in multiple windows
+	 */
+	static bool isChatMultiTab();
+
+	// add conversation to container
+	static void addToHost(const LLUUID& session_id);
+
+	bool isHostAttached() {return mIsHostAttached;}
+	void setHostAttached(bool is_attached) {mIsHostAttached = is_attached;}
+
+    static LLFloaterIMSessionTab* findConversation(const LLUUID& uuid);
+    static LLFloaterIMSessionTab* getConversation(const LLUUID& uuid);
+
+	// show/hide the translation check box
+	void showTranslationCheckbox(const BOOL visible = FALSE);
+
+	bool isNearbyChat() {return mIsNearbyChat;}
+
+	// LLFloater overrides
+	/*virtual*/ void onOpen(const LLSD& key);
+	/*virtual*/ BOOL postBuild();
+	/*virtual*/ void draw();
+	/*virtual*/ void setVisible(BOOL visible);
+	/*virtual*/ void setFocus(BOOL focus);
+	
+	// Handle the left hand participant list widgets
+	void addConversationViewParticipant(LLConversationItem* item);
+	void removeConversationViewParticipant(const LLUUID& participant_id);
+	void updateConversationViewParticipant(const LLUUID& participant_id);
+	void refreshConversation();
+	void buildConversationViewParticipant();
+
+	void setSortOrder(const LLConversationSort& order);
+	virtual void onTearOffClicked();
+	void updateGearBtn();
+	void initBtns();
+	virtual void updateMessages() {}
+	LLConversationItem* getCurSelectedViewModelItem();
+
+	void forceReshape();
+
+protected:
+
+	// callback for click on any items of the visual states menu
+	void onIMSessionMenuItemClicked(const LLSD& userdata);
+
+	// callback for check/uncheck of the expanded/collapse mode's switcher
+	bool onIMCompactExpandedMenuItemCheck(const LLSD& userdata);
+
+	//
+	bool onIMShowModesMenuItemCheck(const LLSD& userdata);
+	bool onIMShowModesMenuItemEnable(const LLSD& userdata);
+	static void onSlide(LLFloaterIMSessionTab *self);
+
+	// refresh a visual state of the Call button
+	void updateCallBtnState(bool callIsActive);
+
+	void hideOrShowTitle(); // toggle the floater's drag handle
+	void hideAllStandardButtons();
+
+	/// Update floater header and toolbar buttons when hosted/torn off state is toggled.
+	void updateHeaderAndToolbar();
+
+	// Update the input field help text and other places that need the session name
+	virtual void updateSessionName(const std::string& name);
+
+	// set the enable/disable state for the Call button
+	virtual void enableDisableCallBtn();
+
+	// process focus events to set a currently active session
+	/* virtual */ void onFocusLost();
+	/* virtual */ void onFocusReceived();
+
+	// prepare chat's params and out one message to chatHistory
+	void appendMessage(const LLChat& chat, const LLSD &args = 0);
+
+	std::string appendTime();
+
+	bool mIsNearbyChat;
+	bool mIsP2PChat;
+
+	LLIMModel::LLIMSession* mSession;
+
+	// Participants list: model and view
+	LLConversationViewParticipant* createConversationViewParticipant(LLConversationItem* item);
+	
+	LLUUID mSessionID; 
+	LLLayoutPanel* mParticipantListPanel;	// add the widgets to that see mConversationsListPanel
+	LLParticipantList* getParticipantList();
+	conversations_widgets_map mConversationsWidgets;
+	LLConversationViewModel mConversationViewModel;
+	LLFolderView* mConversationsRoot;
+	LLScrollContainer* mScroller;
+
+    LLOutputMonitorCtrl* mSpeakingIndicator;
+	LLChatHistory* mChatHistory;
+	LLChatEntry* mInputEditor;
+	int mInputEditorTopPad; // padding between input field and chat history
+
+	LLButton* mExpandCollapseBtn;
+	LLButton* mTearOffBtn;
+	LLButton* mCloseBtn;
+	LLButton* mGearBtn;
+
+
+private:
+	// Handling selection and contextual menu
+    void doToSelected(const LLSD& userdata);
+    bool enableContextMenuItem(const LLSD& userdata);
+    bool checkContextMenuItem(const LLSD& userdata);
+	
+    void getSelectedUUIDs(uuid_vec_t& selected_uuids);
+	
+	/// Refreshes the floater at a constant rate.
+	virtual void refresh() = 0;
+
+	/**
+	 * Adjusts chat history height to fit vertically with input chat field
+	 * and avoid overlapping, since input chat field can be vertically expanded.
+	 * Implementation: chat history bottom "follows" top+top_pad of input chat field
+	 */
+	void reshapeChatHistory();
+
+	bool checkIfTornOff();
+    bool mIsHostAttached;
+
+	LLTimer* mRefreshTimer; ///< Defines the rate at which refresh() is called.
+};
+
+
+#endif /* LL_FLOATERIMSESSIONTAB_H */
diff --git a/indra/newview/llfloaterinspect.cpp b/indra/newview/llfloaterinspect.cpp
index cece8d299c..5a1dfc99ab 100644
--- a/indra/newview/llfloaterinspect.cpp
+++ b/indra/newview/llfloaterinspect.cpp
@@ -46,7 +46,9 @@
 
 LLFloaterInspect::LLFloaterInspect(const LLSD& key)
   : LLFloater(key),
-	mDirty(FALSE)
+	mDirty(FALSE),
+	mOwnerNameCacheConnection(),
+	mCreatorNameCacheConnection()
 {
 	mCommitCallbackRegistrar.add("Inspect.OwnerProfile",	boost::bind(&LLFloaterInspect::onClickOwnerProfile, this));
 	mCommitCallbackRegistrar.add("Inspect.CreatorProfile",	boost::bind(&LLFloaterInspect::onClickCreatorProfile, this));
@@ -67,6 +69,14 @@ BOOL LLFloaterInspect::postBuild()
 
 LLFloaterInspect::~LLFloaterInspect(void)
 {
+	if (mOwnerNameCacheConnection.connected())
+	{
+		mOwnerNameCacheConnection.disconnect();
+	}
+	if (mCreatorNameCacheConnection.connected())
+	{
+		mCreatorNameCacheConnection.disconnect();
+	}
 	if(!LLFloaterReg::instanceVisible("build"))
 	{
 		if(LLToolMgr::getInstance()->getBaseTool() == LLToolCompInspect::getInstance())
@@ -80,7 +90,6 @@ LLFloaterInspect::~LLFloaterInspect(void)
 	{
 		LLFloaterReg::showInstance("build", LLSD(), TRUE);
 	}
-	//sInstance = NULL;
 }
 
 void LLFloaterInspect::onOpen(const LLSD& key)
@@ -167,15 +176,6 @@ LLUUID LLFloaterInspect::getSelectedUUID()
 	return LLUUID::null;
 }
 
-void LLFloaterInspect::onGetAvNameCallback(const LLUUID& idCreator, const LLAvatarName& av_name, void* FloaterPtr)
-{
-	if (FloaterPtr)
-	{
-		LLFloaterInspect* floater = (LLFloaterInspect*)FloaterPtr;
-		floater->dirty();
-	}
-}
-
 void LLFloaterInspect::refresh()
 {
 	LLUUID creator_id;
@@ -229,7 +229,11 @@ void LLFloaterInspect::refresh()
 		else
 		{
 			owner_name = LLTrans::getString("RetrievingData");
-			LLAvatarNameCache::get(idOwner, boost::bind(&LLFloaterInspect::onGetAvNameCallback, _1, _2, this));
+			if (mOwnerNameCacheConnection.connected())
+			{
+				mOwnerNameCacheConnection.disconnect();
+			}
+			mOwnerNameCacheConnection = LLAvatarNameCache::get(idOwner, boost::bind(&LLFloaterInspect::onGetOwnerNameCallback, this));
 		}
 
 		if (LLAvatarNameCache::get(idCreator, &av_name))
@@ -239,7 +243,11 @@ void LLFloaterInspect::refresh()
 		else
 		{
 			creator_name = LLTrans::getString("RetrievingData");
-			LLAvatarNameCache::get(idCreator, boost::bind(&LLFloaterInspect::onGetAvNameCallback, _1, _2, this));
+			if (mCreatorNameCacheConnection.connected())
+			{
+				mCreatorNameCacheConnection.disconnect();
+			}
+			mCreatorNameCacheConnection = LLAvatarNameCache::get(idCreator, boost::bind(&LLFloaterInspect::onGetCreatorNameCallback, this));
 		}
 		
 		row["id"] = obj->getObject()->getID();
@@ -289,6 +297,18 @@ void LLFloaterInspect::dirty()
 	setDirty();
 }
 
+void LLFloaterInspect::onGetOwnerNameCallback()
+{
+	mOwnerNameCacheConnection.disconnect();
+	setDirty();
+}
+
+void LLFloaterInspect::onGetCreatorNameCallback()
+{
+	mCreatorNameCacheConnection.disconnect();
+	setDirty();
+}
+
 void LLFloaterInspect::draw()
 {
 	if (mDirty)
diff --git a/indra/newview/llfloaterinspect.h b/indra/newview/llfloaterinspect.h
index 7ee83ccdb4..44381eac96 100644
--- a/indra/newview/llfloaterinspect.h
+++ b/indra/newview/llfloaterinspect.h
@@ -55,8 +55,6 @@ public:
 	void onClickOwnerProfile();
 	void onSelectObject();
 
-	static void onGetAvNameCallback(const LLUUID& idCreator, const LLAvatarName& av_name, void* FloaterPtr);
-
 	LLScrollListCtrl* mObjectList;
 protected:
 	// protected members
@@ -64,13 +62,15 @@ protected:
 	bool mDirty;
 
 private:
+	void onGetOwnerNameCallback();
+	void onGetCreatorNameCallback();
 	
 	LLFloaterInspect(const LLSD& key);
 	virtual ~LLFloaterInspect(void);
-	// static data
-//	static LLFloaterInspect* sInstance;
 
 	LLSafeHandle<LLObjectSelection> mObjectSelection;
+	boost::signals2::connection mOwnerNameCacheConnection;
+	boost::signals2::connection mCreatorNameCacheConnection;
 };
 
 #endif //LL_LLFLOATERINSPECT_H
diff --git a/indra/newview/llfloaterland.cpp b/indra/newview/llfloaterland.cpp
index 55f3d548ec..a5dd197336 100644
--- a/indra/newview/llfloaterland.cpp
+++ b/indra/newview/llfloaterland.cpp
@@ -1045,6 +1045,8 @@ void LLPanelLandGeneral::onCommitAny(LLUICtrl *ctrl, void *userdata)
 void LLPanelLandGeneral::onClickSellLand(void* data)
 {
 	LLViewerParcelMgr::getInstance()->startSellLand();
+	LLPanelLandGeneral *panelp = (LLPanelLandGeneral *)data;
+	panelp->refresh();
 }
 
 // static
@@ -2733,11 +2735,13 @@ void LLPanelLandAccess::onCommitAny(LLUICtrl *ctrl, void *userdata)
 
 void LLPanelLandAccess::onClickAddAccess()
 {
+    LLView * button = findChild<LLButton>("add_allowed");
+    LLFloater * root_floater = gFloaterView->getParentFloater(this);
 	LLFloaterAvatarPicker* picker = LLFloaterAvatarPicker::show(
-		boost::bind(&LLPanelLandAccess::callbackAvatarCBAccess, this, _1));
+		boost::bind(&LLPanelLandAccess::callbackAvatarCBAccess, this, _1), FALSE, FALSE, FALSE, root_floater->getName(), button);
 	if (picker)
 	{
-		gFloaterView->getParentFloater(this)->addDependentFloater(picker);
+		root_floater->addDependentFloater(picker);
 	}
 }
 
@@ -2782,11 +2786,13 @@ void LLPanelLandAccess::onClickRemoveAccess(void* data)
 // static
 void LLPanelLandAccess::onClickAddBanned()
 {
+    LLView * button = findChild<LLButton>("add_banned");
+    LLFloater * root_floater = gFloaterView->getParentFloater(this);
 	LLFloaterAvatarPicker* picker = LLFloaterAvatarPicker::show(
-		boost::bind(&LLPanelLandAccess::callbackAvatarCBBanned, this, _1));
+		boost::bind(&LLPanelLandAccess::callbackAvatarCBBanned, this, _1), FALSE, FALSE, FALSE, root_floater->getName(), button);
 	if (picker)
 	{
-		gFloaterView->getParentFloater(this)->addDependentFloater(picker);
+		root_floater->addDependentFloater(picker);
 	}
 }
 
diff --git a/indra/newview/llfloaternotificationsconsole.cpp b/indra/newview/llfloaternotificationsconsole.cpp
index 2681d4b34d..4f35c325a8 100644
--- a/indra/newview/llfloaternotificationsconsole.cpp
+++ b/indra/newview/llfloaternotificationsconsole.cpp
@@ -44,21 +44,16 @@ public:
 	BOOL postBuild();
 
 private:
-	bool update(const LLSD& payload, bool passed_filter);
+	bool update(const LLSD& payload);
 	static void toggleClick(void* user_data);
 	static void onClickNotification(void* user_data);
-	static void onClickNotificationReject(void* user_data);
 	LLNotificationChannelPtr mChannelPtr;
-	LLNotificationChannelPtr mChannelRejectsPtr;
 };
 
 LLNotificationChannelPanel::LLNotificationChannelPanel(const LLNotificationChannelPanel::Params& p) 
 :	LLLayoutPanel(p)
 {
 	mChannelPtr = LLNotifications::instance().getChannel(p.name);
-	mChannelRejectsPtr = LLNotificationChannelPtr(
-		LLNotificationChannel::buildChannel(p.name() + "rejects", mChannelPtr->getParentChannelName(),
-											!boost::bind(mChannelPtr->getFilter(), _1)));
 	buildFromFile( "panel_notifications_channel.xml");
 }
 
@@ -68,15 +63,11 @@ BOOL LLNotificationChannelPanel::postBuild()
 	header_button->setLabel(mChannelPtr->getName());
 	header_button->setClickedCallback(toggleClick, this);
 
-	mChannelPtr->connectChanged(boost::bind(&LLNotificationChannelPanel::update, this, _1, true));
-	mChannelRejectsPtr->connectChanged(boost::bind(&LLNotificationChannelPanel::update, this, _1, false));
+	mChannelPtr->connectChanged(boost::bind(&LLNotificationChannelPanel::update, this, _1));
 
 	LLScrollListCtrl* scroll = getChild<LLScrollListCtrl>("notifications_list");
 	scroll->setDoubleClickCallback(onClickNotification, this);
 	scroll->setRect(LLRect( getRect().mLeft, getRect().mTop, getRect().mRight, 0));
-	scroll = getChild<LLScrollListCtrl>("notification_rejects_list");
-	scroll->setDoubleClickCallback(onClickNotificationReject, this);
-	scroll->setRect(LLRect( getRect().mLeft, getRect().mTop, getRect().mRight, 0));
 	return TRUE;
 }
 
@@ -97,8 +88,6 @@ void LLNotificationChannelPanel::toggleClick(void *user_data)
 	// turn off tab stop for collapsed panel
 	self->getChild<LLScrollListCtrl>("notifications_list")->setTabStop(!header_button->getToggleState());
 	self->getChild<LLScrollListCtrl>("notifications_list")->setVisible(!header_button->getToggleState());
-	self->getChild<LLScrollListCtrl>("notification_rejects_list")->setTabStop(!header_button->getToggleState());
-	self->getChild<LLScrollListCtrl>("notification_rejects_list")->setVisible(!header_button->getToggleState());
 }
 
 /*static*/
@@ -118,24 +107,7 @@ void LLNotificationChannelPanel::onClickNotification(void* user_data)
 	}
 }
 
-/*static*/
-void LLNotificationChannelPanel::onClickNotificationReject(void* user_data)
-{
-	LLNotificationChannelPanel* self = (LLNotificationChannelPanel*)user_data;
-	if (!self) return;
-	LLScrollListItem* firstselected = self->getChild<LLScrollListCtrl>("notification_rejects_list")->getFirstSelected();
-	llassert(firstselected);
-	if (firstselected)
-	{
-		void* data = firstselected->getUserdata();
-		if (data)
-		{
-			gFloaterView->getParentFloater(self)->addDependentFloater(new LLFloaterNotification((LLNotification*)data), TRUE);
-		}
-	}
-}
-
-bool LLNotificationChannelPanel::update(const LLSD& payload, bool passed_filter)
+bool LLNotificationChannelPanel::update(const LLSD& payload)
 {
 	LLNotificationPtr notification = LLNotifications::instance().find(payload["id"].asUUID());
 	if (notification)
@@ -151,9 +123,7 @@ bool LLNotificationChannelPanel::update(const LLSD& payload, bool passed_filter)
 		row["columns"][2]["column"] = "date";
 		row["columns"][2]["type"] = "date";
 
-		LLScrollListItem* sli = passed_filter ? 
-			getChild<LLScrollListCtrl>("notifications_list")->addElement(row) :
-			getChild<LLScrollListCtrl>("notification_rejects_list")->addElement(row);
+		LLScrollListItem* sli = getChild<LLScrollListCtrl>("notifications_list")->addElement(row);
 		sli->setUserdata(&(*notification));
 	}
 
diff --git a/indra/newview/llfloateroutbox.cpp b/indra/newview/llfloateroutbox.cpp
index 540f977305..29a3e6ac3a 100644
--- a/indra/newview/llfloateroutbox.cpp
+++ b/indra/newview/llfloateroutbox.cpp
@@ -44,14 +44,17 @@
 #include "llviewernetwork.h"
 #include "llwindowshade.h"
 
-#define USE_WINDOWSHADE_DIALOGS	0
-
 
 ///----------------------------------------------------------------------------
 /// LLOutboxNotification class
 ///----------------------------------------------------------------------------
 
-bool LLNotificationsUI::LLOutboxNotification::processNotification(const LLSD& notify)
+LLNotificationsUI::LLOutboxNotification::LLOutboxNotification()
+	: LLSystemNotificationHandler("Outbox", "outbox")
+{
+}
+
+bool LLNotificationsUI::LLOutboxNotification::processNotification(const LLNotificationPtr& notify)
 {
 	LLFloaterOutbox* outbox_floater = LLFloaterReg::getTypedInstance<LLFloaterOutbox>("outbox");
 	
@@ -60,6 +63,14 @@ bool LLNotificationsUI::LLOutboxNotification::processNotification(const LLSD& no
 	return false;
 }
 
+void LLNotificationsUI::LLOutboxNotification::onDelete(LLNotificationPtr p)
+{
+	LLNotificationsUI::LLNotificationHandler * notification_handler = dynamic_cast<LLNotificationsUI::LLNotificationHandler*>(LLNotifications::instance().getChannel("AlertModal").get());
+	if (notification_handler)
+	{
+		notification_handler->onDelete(p);
+	}
+}
 
 ///----------------------------------------------------------------------------
 /// LLOutboxAddedObserver helper class
@@ -168,9 +179,8 @@ void LLFloaterOutbox::onOpen(const LLSD& key)
 	if (mOutboxId.isNull())
 	{
 		const bool do_not_create_folder = false;
-		const bool do_not_find_in_library = false;
 		
-		const LLUUID outbox_id = gInventory.findCategoryUUIDForType(LLFolderType::FT_OUTBOX, do_not_create_folder, do_not_find_in_library);
+		const LLUUID outbox_id = gInventory.findCategoryUUIDForType(LLFolderType::FT_OUTBOX, do_not_create_folder);
 		
 		if (outbox_id.isNull())
 		{
@@ -244,8 +254,9 @@ void LLFloaterOutbox::setupOutbox(const LLUUID& outboxId)
 	mOutboxInventoryPanel->setShape(inventory_placeholder_rect);
 	
 	// Set the sort order newest to oldest
-	mOutboxInventoryPanel->setSortOrder(LLInventoryFilter::SO_FOLDERS_BY_NAME);	
-	mOutboxInventoryPanel->getFilter()->markDefault();
+
+	mOutboxInventoryPanel->getFolderViewModel()->setSorter(LLInventoryFilter::SO_FOLDERS_BY_NAME);	
+	mOutboxInventoryPanel->getFilter().markDefault();
 	
 	fetchOutboxContents();
 	
@@ -380,7 +391,7 @@ BOOL LLFloaterOutbox::handleDragAndDrop(S32 x, S32 y, MASK mask, BOOL drop,
 	// Determine if the mouse is inside the inventory panel itself or just within the floater
 	bool pointInInventoryPanel = false;
 	bool pointInInventoryPanelChild = false;
-	LLFolderView * root_folder = mOutboxInventoryPanel->getRootFolder();
+	LLFolderView* root_folder = mOutboxInventoryPanel->getRootFolder();
 	if (mOutboxInventoryPanel->getVisible())
 	{
 		S32 inv_x, inv_y;
@@ -437,10 +448,10 @@ void LLFloaterOutbox::onOutboxChanged()
 {
 	llassert(!mOutboxId.isNull());
 	
-	if (mOutboxInventoryPanel)
-	{
-		mOutboxInventoryPanel->requestSort();
-	}
+	//if (mOutboxInventoryPanel)
+	//{
+	//	mOutboxInventoryPanel->requestSort();
+	//}
 
 	fetchOutboxContents();
 
@@ -516,52 +527,11 @@ void LLFloaterOutbox::initializationReportError(U32 status, const LLSD& content)
 	updateView();
 }
 
-void LLFloaterOutbox::showNotification(const LLSD& notify)
+void LLFloaterOutbox::showNotification(const LLNotificationPtr& notification)
 {
-	LLNotificationPtr notification = LLNotifications::instance().find(notify["id"].asUUID());
-	
-	if (!notification)
-	{
-		llerrs << "Unable to find outbox notification!" << notify.asString() << llendl;
-		
-		return;
-	}
-
-#if USE_WINDOWSHADE_DIALOGS
-
-	if (mWindowShade)
-	{
-		delete mWindowShade;
-	}
-	
-	LLRect floater_rect = getLocalRect();
-	floater_rect.mTop -= getHeaderHeight();
-	floater_rect.stretch(-5, 0);
-	
-	LLWindowShade::Params params;
-	params.name = "notification_shade";
-	params.rect = floater_rect;
-	params.follows.flags = FOLLOWS_ALL;
-	params.modal = true;
-	params.can_close = false;
-	params.shade_color = LLColor4::white % 0.25f;
-	params.text_color = LLColor4::white;
-	
-	mWindowShade = LLUICtrlFactory::create<LLWindowShade>(params);
-	
-	addChild(mWindowShade);
-	mWindowShade->show(notification);
-	
-#else
-	
-	LLNotificationsUI::LLEventHandler * handler =
-		LLNotificationsUI::LLNotificationManager::instance().getHandlerForNotification("alertmodal");
-	
-	LLNotificationsUI::LLSysHandler * sys_handler = dynamic_cast<LLNotificationsUI::LLSysHandler *>(handler);
-	llassert(sys_handler);
-	
-	sys_handler->processNotification(notify);
+	LLNotificationsUI::LLNotificationHandler * notification_handler = dynamic_cast<LLNotificationsUI::LLNotificationHandler*>(LLNotifications::instance().getChannel("AlertModal").get());
+	llassert(notification_handler);
 	
-#endif
+	notification_handler->processNotification(notification);
 }
 
diff --git a/indra/newview/llfloateroutbox.h b/indra/newview/llfloateroutbox.h
index 18baccf1c9..a91d8c1139 100644
--- a/indra/newview/llfloateroutbox.h
+++ b/indra/newview/llfloateroutbox.h
@@ -64,7 +64,7 @@ public:
 						   EAcceptance* accept,
 						   std::string& tooltip_msg);
 	
-	void showNotification(const LLSD& notify);
+	void showNotification(const LLNotificationPtr& notification);
 
 	BOOL handleHover(S32 x, S32 y, MASK mask);
 	void onMouseLeave(S32 x, S32 y, MASK mask);
diff --git a/indra/newview/llfloaterpreference.cpp b/indra/newview/llfloaterpreference.cpp
index 542e96cf16..3d4a1c44d8 100755
--- a/indra/newview/llfloaterpreference.cpp
+++ b/indra/newview/llfloaterpreference.cpp
@@ -51,11 +51,11 @@
 #include "llfloaterabout.h"
 #include "llfloaterhardwaresettings.h"
 #include "llfloatersidepanelcontainer.h"
-#include "llimfloater.h"
+#include "llfloaterimsession.h"
 #include "llkeyboard.h"
 #include "llmodaldialog.h"
 #include "llnavigationbar.h"
-#include "llnearbychat.h"
+#include "llfloaterimnearbychat.h"
 #include "llnotifications.h"
 #include "llnotificationsutil.h"
 #include "llnotificationtemplate.h"
@@ -425,13 +425,7 @@ void LLFloaterPreference::saveAvatarProperties( void )
 
 BOOL LLFloaterPreference::postBuild()
 {
-	gSavedSettings.getControl("PlainTextChatHistory")->getSignal()->connect(boost::bind(&LLIMFloater::processChatHistoryStyleUpdate, _2));
-
-	gSavedSettings.getControl("PlainTextChatHistory")->getSignal()->connect(boost::bind(&LLNearbyChat::processChatHistoryStyleUpdate, _2));
-
-	gSavedSettings.getControl("ChatFontSize")->getSignal()->connect(boost::bind(&LLIMFloater::processChatHistoryStyleUpdate, _2));
-
-	gSavedSettings.getControl("ChatFontSize")->getSignal()->connect(boost::bind(&LLNearbyChat::processChatHistoryStyleUpdate, _2));
+	gSavedSettings.getControl("ChatFontSize")->getSignal()->connect(boost::bind(&LLFloaterIMSessionTab::processChatHistoryStyleUpdate));
 
 	gSavedSettings.getControl("ChatFontSize")->getSignal()->connect(boost::bind(&LLViewerChat::signalChatFontChanged));
 
@@ -449,26 +443,29 @@ BOOL LLFloaterPreference::postBuild()
 
 	getChild<LLComboBox>("language_combobox")->setCommitCallback(boost::bind(&LLFloaterPreference::onLanguageChange, this));
 
-	// if floater is opened before login set default localized busy message
+	getChild<LLComboBox>("FriendIMOptions")->setCommitCallback(boost::bind(&LLFloaterPreference::onNotificationsChange, this,"FriendIMOptions"));
+	getChild<LLComboBox>("NonFriendIMOptions")->setCommitCallback(boost::bind(&LLFloaterPreference::onNotificationsChange, this,"NonFriendIMOptions"));
+	getChild<LLComboBox>("ConferenceIMOptions")->setCommitCallback(boost::bind(&LLFloaterPreference::onNotificationsChange, this,"ConferenceIMOptions"));
+	getChild<LLComboBox>("GroupChatOptions")->setCommitCallback(boost::bind(&LLFloaterPreference::onNotificationsChange, this,"GroupChatOptions"));
+	getChild<LLComboBox>("NearbyChatOptions")->setCommitCallback(boost::bind(&LLFloaterPreference::onNotificationsChange, this,"NearbyChatOptions"));
+
+	// if floater is opened before login set default localized do not disturb message
 	if (LLStartUp::getStartupState() < STATE_STARTED)
 	{
-		gSavedPerAccountSettings.setString("BusyModeResponse", LLTrans::getString("BusyModeResponseDefault"));
+		gSavedPerAccountSettings.setString("DoNotDisturbModeResponse", LLTrans::getString("DoNotDisturbModeResponseDefault"));
 	}
 
 	return TRUE;
 }
 
-void LLFloaterPreference::onBusyResponseChanged()
+void LLFloaterPreference::onDoNotDisturbResponseChanged()
 {
-	// set "BusyResponseChanged" TRUE if user edited message differs from default, FALSE otherwise
-	if (LLTrans::getString("BusyModeResponseDefault") != getChild<LLUICtrl>("busy_response")->getValue().asString())
-	{
-		gSavedPerAccountSettings.setBOOL("BusyResponseChanged", TRUE );
-	}
-	else
-	{
-		gSavedPerAccountSettings.setBOOL("BusyResponseChanged", FALSE );
-	}
+	// set "DoNotDisturbResponseChanged" TRUE if user edited message differs from default, FALSE otherwise
+	bool response_changed_flag =
+			LLTrans::getString("DoNotDisturbModeResponseDefault")
+					!= getChild<LLUICtrl>("do_not_disturb_response")->getValue().asString();
+
+	gSavedPerAccountSettings.setBOOL("DoNotDisturbResponseChanged", response_changed_flag );
 }
 
 LLFloaterPreference::~LLFloaterPreference()
@@ -551,14 +548,8 @@ void LLFloaterPreference::apply()
 		LLViewerMedia::setProxyConfig(proxy_enable, proxy_address, proxy_port);
 	}
 	
-//	LLWString busy_response = utf8str_to_wstring(getChild<LLUICtrl>("busy_response")->getValue().asString());
-//	LLWStringUtil::replaceTabsWithSpaces(busy_response, 4);
-
-	gSavedSettings.setBOOL("PlainTextChatHistory", getChild<LLUICtrl>("plain_text_chat_history")->getValue().asBoolean());
-	
 	if (mGotPersonalInfo)
 	{ 
-//		gSavedSettings.setString("BusyModeResponse2", std::string(wstring_to_utf8str(busy_response)));
 		bool new_im_via_email = getChild<LLUICtrl>("send_im_to_email")->getValue().asBoolean();
 		bool new_hide_online = getChild<LLUICtrl>("online_visibility")->getValue().asBoolean();		
 	
@@ -644,21 +635,21 @@ void LLFloaterPreference::cancel()
 void LLFloaterPreference::onOpen(const LLSD& key)
 {
 	
-	// this variable and if that follows it are used to properly handle busy mode response message
+	// this variable and if that follows it are used to properly handle do not disturb mode response message
 	static bool initialized = FALSE;
-	// if user is logged in and we haven't initialized busy_response yet, do it
+	// if user is logged in and we haven't initialized do not disturb mode response yet, do it
 	if (!initialized && LLStartUp::getStartupState() == STATE_STARTED)
 	{
-		// Special approach is used for busy response localization, because "BusyModeResponse" is
+		// Special approach is used for do not disturb response localization, because "DoNotDisturbModeResponse" is
 		// in non-localizable xml, and also because it may be changed by user and in this case it shouldn't be localized.
-		// To keep track of whether busy response is default or changed by user additional setting BusyResponseChanged
+		// To keep track of whether do not disturb response is default or changed by user additional setting DoNotDisturbResponseChanged
 		// was added into per account settings.
 
 		// initialization should happen once,so setting variable to TRUE
 		initialized = TRUE;
-		// this connection is needed to properly set "BusyResponseChanged" setting when user makes changes in
-		// busy response message.
-		gSavedPerAccountSettings.getControl("BusyModeResponse")->getSignal()->connect(boost::bind(&LLFloaterPreference::onBusyResponseChanged, this));
+		// this connection is needed to properly set "DoNotDisturbResponseChanged" setting when user makes changes in
+		// do not disturb response message.
+		gSavedPerAccountSettings.getControl("DoNotDisturbModeResponse")->getSignal()->connect(boost::bind(&LLFloaterPreference::onDoNotDisturbResponseChanged, this));
 	}
 	gAgent.sendAgentUserInfoRequest();
 
@@ -705,6 +696,14 @@ void LLFloaterPreference::onOpen(const LLSD& key)
 	// while preferences floater was closed.
 	buildPopupLists();
 
+
+	//get the options that were checked
+	onNotificationsChange("FriendIMOptions");
+	onNotificationsChange("NonFriendIMOptions");
+	onNotificationsChange("ConferenceIMOptions");
+	onNotificationsChange("GroupChatOptions");
+	onNotificationsChange("NearbyChatOptions");
+
 	LLPanelLogin::setAlwaysRefresh(true);
 	refresh();
 	
@@ -720,12 +719,12 @@ void LLFloaterPreference::onVertexShaderEnable()
 }
 
 //static
-void LLFloaterPreference::initBusyResponse()
+void LLFloaterPreference::initDoNotDisturbResponse()
 	{
-		if (!gSavedPerAccountSettings.getBOOL("BusyResponseChanged"))
+		if (!gSavedPerAccountSettings.getBOOL("DoNotDisturbResponseChanged"))
 		{
-			//LLTrans::getString("BusyModeResponseDefault") is used here for localization (EXT-5885)
-			gSavedPerAccountSettings.setString("BusyModeResponse", LLTrans::getString("BusyModeResponseDefault"));
+			//LLTrans::getString("DoNotDisturbModeResponseDefault") is used here for localization (EXT-5885)
+			gSavedPerAccountSettings.setString("DoNotDisturbModeResponse", LLTrans::getString("DoNotDisturbModeResponseDefault"));
 		}
 	}
 
@@ -881,6 +880,23 @@ void LLFloaterPreference::onLanguageChange()
 	}
 }
 
+void LLFloaterPreference::onNotificationsChange(const std::string& OptionName)
+{
+	mNotificationOptions[OptionName] = getChild<LLComboBox>(OptionName)->getSelectedItemLabel();
+
+	bool show_notifications_alert = true;
+	for (notifications_map::iterator it_notification = mNotificationOptions.begin(); it_notification != mNotificationOptions.end(); it_notification++)
+	{
+		if(it_notification->second != "None")
+		{
+			show_notifications_alert = false;
+			break;
+		}
+	}
+
+	getChild<LLTextBox>("notifications_alert")->setVisible(show_notifications_alert);
+}
+
 void LLFloaterPreference::onNameTagOpacityChange(const LLSD& newvalue)
 {
 	LLColorSwatchCtrl* color_swatch = findChild<LLColorSwatchCtrl>("background");
@@ -1443,18 +1459,13 @@ void LLFloaterPreference::setPersonalInfo(const std::string& visibility, bool im
 	getChild<LLUICtrl>("online_visibility")->setLabelArg("[DIR_VIS]", mDirectoryVisibility);
 	getChildView("send_im_to_email")->setEnabled(TRUE);
 	getChild<LLUICtrl>("send_im_to_email")->setValue(im_via_email);
-	getChildView("plain_text_chat_history")->setEnabled(TRUE);
-	getChild<LLUICtrl>("plain_text_chat_history")->setValue(gSavedSettings.getBOOL("PlainTextChatHistory"));
 	getChildView("log_instant_messages")->setEnabled(TRUE);
 //	getChildView("log_chat")->setEnabled(TRUE);
-//	getChildView("busy_response")->setEnabled(TRUE);
 //	getChildView("log_instant_messages_timestamp")->setEnabled(TRUE);
 //	getChildView("log_chat_timestamp")->setEnabled(TRUE);
 	getChildView("log_chat_IM")->setEnabled(TRUE);
 	getChildView("log_date_timestamp")->setEnabled(TRUE);
 	
-//	getChild<LLUICtrl>("busy_response")->setValue(gSavedSettings.getString("BusyModeResponse2"));
-	
 	getChildView("favorites_on_login_check")->setEnabled(TRUE);
 	getChildView("log_nearby_chat")->setEnabled(TRUE);
 	getChildView("log_instant_messages")->setEnabled(TRUE);
@@ -1526,7 +1537,8 @@ void LLFloaterPreference::onChangeMaturity()
 // but the UI for this will still be enabled
 void LLFloaterPreference::onClickBlockList()
 {
-	LLFloaterSidePanelContainer::showPanel("people", "panel_block_list_sidetray", LLSD());
+	LLFloaterSidePanelContainer::showPanel("people", "panel_people",
+		LLSD().with("people_panel_tab_name", "blocked_panel"));
 }
 
 void LLFloaterPreference::onClickProxySettings()
@@ -1592,6 +1604,26 @@ void LLFloaterPreference::setCacheLocation(const LLStringExplicit& location)
 	cache_location_editor->setToolTip(location);
 }
 
+void LLFloaterPreference::selectPanel(const LLSD& name)
+{
+	LLTabContainer * tab_containerp = getChild<LLTabContainer>("pref core");
+	LLPanel * panel = tab_containerp->getPanelByName(name);
+	if (NULL != panel)
+	{
+		tab_containerp->selectTabPanel(panel);
+	}
+}
+
+void LLFloaterPreference::selectPrivacyPanel()
+{
+	selectPanel("im");
+}
+
+void LLFloaterPreference::selectChatPanel()
+{
+	selectPanel("chat");
+}
+
 //------------------------------Updater---------------------------------------
 
 static bool handleBandwidthChanged(const LLSD& newvalue)
@@ -1650,6 +1682,17 @@ LLPanelPreference::LLPanelPreference()
 //virtual
 BOOL LLPanelPreference::postBuild()
 {
+	////////////////////// PanelGeneral ///////////////////
+	if (hasChild("display_names_check"))
+	{
+		BOOL use_people_api = gSavedSettings.getBOOL("UsePeopleAPI");
+		LLCheckBoxCtrl* ctrl_display_name = getChild<LLCheckBoxCtrl>("display_names_check");
+		ctrl_display_name->setEnabled(use_people_api);
+		if (!use_people_api)
+		{
+			ctrl_display_name->setValue(FALSE);
+		}
+	}
 
 	////////////////////// PanelVoice ///////////////////
 	if (hasChild("voice_unavailable"))
@@ -1677,7 +1720,6 @@ BOOL LLPanelPreference::postBuild()
 	if (hasChild("online_visibility") && hasChild("send_im_to_email"))
 	{
 		getChild<LLUICtrl>("email_address")->setValue(getString("log_in_to_change") );
-//		getChild<LLUICtrl>("busy_response")->setValue(getString("log_in_to_change"));		
 	}
 	
 	//////////////////////PanelPrivacy ///////////////////
@@ -1701,7 +1743,7 @@ BOOL LLPanelPreference::postBuild()
 		getChild<LLCheckBoxCtrl>("favorites_on_login_check")->setCommitCallback(boost::bind(&showFavoritesOnLoginWarning, _1, _2));
 	}
 
-	// Panel Advanced
+	//////////////////////PanelAdvanced ///////////////////
 	if (hasChild("modifier_combo"))
 	{
 		//localizing if push2talk button is set to middle mouse
diff --git a/indra/newview/llfloaterpreference.h b/indra/newview/llfloaterpreference.h
index b71f7c647b..37a531e99e 100644
--- a/indra/newview/llfloaterpreference.h
+++ b/indra/newview/llfloaterpreference.h
@@ -45,6 +45,8 @@ class LLSliderCtrl;
 class LLSD;
 class LLTextBox;
 
+typedef std::map<std::string, std::string> notifications_map;
+
 typedef enum
 	{
 		GS_LOW_GRAPHICS,
@@ -75,13 +77,15 @@ public:
 	// refresh all the graphics preferences menus
 	static void refreshEnabledGraphics();
 	
-	// translate user's busy response message according to current locale if message is default, otherwise do nothing
-	static void initBusyResponse();
+	// translate user's do not disturb response message according to current locale if message is default, otherwise do nothing
+	static void initDoNotDisturbResponse();
 
 	void processProperties( void* pData, EAvatarProcessorType type );
 	void processProfileProperties(const LLAvatarData* pAvatarData );
 	void storeAvatarProperties( const LLAvatarData* pAvatarData );
 	void saveAvatarProperties( void );
+	void selectPrivacyPanel();
+	void selectChatPanel();
 
 protected:	
 	void		onBtnOK();
@@ -91,11 +95,12 @@ protected:
 	void		onClickClearCache();			// Clear viewer texture cache, vfs, and VO cache on next startup
 	void		onClickBrowserClearCache();		// Clear web history and caches as well as viewer caches above
 	void		onLanguageChange();
+	void		onNotificationsChange(const std::string& OptionName);
 	void		onNameTagOpacityChange(const LLSD& newvalue);
 
-	// set value of "BusyResponseChanged" in account settings depending on whether busy response
+	// set value of "DoNotDisturbResponseChanged" in account settings depending on whether do not disturb response
 	// string differs from default after user changes.
-	void onBusyResponseChanged();
+	void onDoNotDisturbResponseChanged();
 	// if the custom settings box is clicked
 	void onChangeCustom();
 	void updateMeterText(LLUICtrl* ctrl);
@@ -164,8 +169,11 @@ public:
 	
 	void buildPopupLists();
 	static void refreshSkin(void* data);
+	void selectPanel(const LLSD& name);
+
 private:
 	static std::string sSkin;
+	notifications_map mNotificationOptions;
 	bool mClickActionDirty; ///< Set to true when the click/double-click options get changed by user.
 	bool mGotPersonalInfo;
 	bool mOriginalIMViaEmail;
diff --git a/indra/newview/llfloaterregioninfo.cpp b/indra/newview/llfloaterregioninfo.cpp
index fe29bb38c7..e6b76159a1 100644
--- a/indra/newview/llfloaterregioninfo.cpp
+++ b/indra/newview/llfloaterregioninfo.cpp
@@ -647,8 +647,10 @@ void LLPanelRegionGeneralInfo::onClickKick()
 
 	// this depends on the grandparent view being a floater
 	// in order to set up floater dependency
+    LLView * button = findChild<LLButton>("kick_btn");
 	LLFloater* parent_floater = gFloaterView->getParentFloater(this);
-	LLFloater* child_floater = LLFloaterAvatarPicker::show(boost::bind(&LLPanelRegionGeneralInfo::onKickCommit, this, _1), FALSE, TRUE);
+	LLFloater* child_floater = LLFloaterAvatarPicker::show(boost::bind(&LLPanelRegionGeneralInfo::onKickCommit, this, _1), 
+                                                                                FALSE, TRUE, FALSE, parent_floater->getName(), button);
 	if (child_floater)
 	{
 		parent_floater->addDependentFloater(child_floater);
@@ -924,7 +926,14 @@ BOOL LLPanelRegionDebugInfo::sendUpdate()
 
 void LLPanelRegionDebugInfo::onClickChooseAvatar()
 {
-	LLFloaterAvatarPicker::show(boost::bind(&LLPanelRegionDebugInfo::callbackAvatarID, this, _1, _2), FALSE, TRUE);
+    LLView * button = findChild<LLButton>("choose_avatar_btn");
+    LLFloater* parent_floater = gFloaterView->getParentFloater(this);
+	LLFloater * child_floater = LLFloaterAvatarPicker::show(boost::bind(&LLPanelRegionDebugInfo::callbackAvatarID, this, _1, _2), 
+                                                                                    FALSE, TRUE, FALSE, parent_floater->getName(), button);
+	if (child_floater)
+	{
+		parent_floater->addDependentFloater(child_floater);
+	}
 }
 
 
@@ -1470,8 +1479,10 @@ void LLPanelEstateInfo::onClickKickUser()
 {
 	// this depends on the grandparent view being a floater
 	// in order to set up floater dependency
+    LLView * button = findChild<LLButton>("kick_user_from_estate_btn");
 	LLFloater* parent_floater = gFloaterView->getParentFloater(this);
-	LLFloater* child_floater = LLFloaterAvatarPicker::show(boost::bind(&LLPanelEstateInfo::onKickUserCommit, this, _1), FALSE, TRUE);
+	LLFloater* child_floater = LLFloaterAvatarPicker::show(boost::bind(&LLPanelEstateInfo::onKickUserCommit, this, _1), 
+                                                                        FALSE, TRUE, FALSE, parent_floater->getName(), button);
 	if (child_floater)
 	{
 		parent_floater->addDependentFloater(child_floater);
@@ -1646,8 +1657,39 @@ bool LLPanelEstateInfo::accessAddCore2(const LLSD& notification, const LLSD& res
 	}
 
 	LLEstateAccessChangeInfo* change_info = new LLEstateAccessChangeInfo(notification["payload"]);
+    //Get parent floater name
+    LLPanelEstateInfo* panel = LLFloaterRegionInfo::getPanelEstate();
+    LLFloater* parent_floater = panel ? gFloaterView->getParentFloater(panel) : NULL;
+    const std::string& parent_floater_name = parent_floater ? parent_floater->getName() : "";
+    
+    //Determine the button that triggered opening of the avatar picker 
+    //(so that a shadow frustum from the button to the avatar picker can be created)
+    LLView * button = NULL;
+    switch(change_info->mOperationFlag)
+    {
+        case ESTATE_ACCESS_ALLOWED_AGENT_ADD:
+            button = panel->findChild<LLButton>("add_allowed_avatar_btn");
+            break;
+            
+        case ESTATE_ACCESS_BANNED_AGENT_ADD:
+            button = panel->findChild<LLButton>("add_banned_avatar_btn");
+            break;
+            
+        case ESTATE_ACCESS_MANAGER_ADD:
+            button = panel->findChild<LLButton>("add_estate_manager_btn");
+            break;
+    }
+
 	// avatar picker yes multi-select, yes close-on-select
-	LLFloaterAvatarPicker::show(boost::bind(&LLPanelEstateInfo::accessAddCore3, _1, (void*)change_info), TRUE, TRUE);
+	LLFloater* child_floater = LLFloaterAvatarPicker::show(boost::bind(&LLPanelEstateInfo::accessAddCore3, _1, (void*)change_info), 
+                                                    TRUE, TRUE, FALSE, parent_floater_name, button);
+
+    //Allows the closed parent floater to close the child floater (avatar picker)
+    if (child_floater)
+    {
+        parent_floater->addDependentFloater(child_floater);
+    }
+
 	return false;
 }
 
diff --git a/indra/newview/llfloaterreporter.cpp b/indra/newview/llfloaterreporter.cpp
index 3ec1e372eb..0e4c7406c5 100644
--- a/indra/newview/llfloaterreporter.cpp
+++ b/indra/newview/llfloaterreporter.cpp
@@ -103,7 +103,8 @@ LLFloaterReporter::LLFloaterReporter(const LLSD& key)
 	mPicking( FALSE), 
 	mPosition(),
 	mCopyrightWarningSeen( FALSE ),
-	mResourceDatap(new LLResourceData())
+	mResourceDatap(new LLResourceData()),
+	mAvatarNameCacheConnection()
 {
 }
 
@@ -187,6 +188,11 @@ BOOL LLFloaterReporter::postBuild()
 // virtual
 LLFloaterReporter::~LLFloaterReporter()
 {
+	if (mAvatarNameCacheConnection.connected())
+	{
+		mAvatarNameCacheConnection.disconnect();
+	}
+
 	// child views automatically deleted
 	mObjectID 		= LLUUID::null;
 
@@ -285,10 +291,13 @@ void LLFloaterReporter::getObjectInfo(const LLUUID& object_id)
 
 void LLFloaterReporter::onClickSelectAbuser()
 {
-	LLFloaterAvatarPicker* picker = LLFloaterAvatarPicker::show(boost::bind(&LLFloaterReporter::callbackAvatarID, this, _1, _2), FALSE, TRUE );
+    LLView * button = findChild<LLButton>("select_abuser", TRUE);
+
+    LLFloater * root_floater = gFloaterView->getParentFloater(this);
+	LLFloaterAvatarPicker* picker = LLFloaterAvatarPicker::show(boost::bind(&LLFloaterReporter::callbackAvatarID, this, _1, _2), FALSE, TRUE, FALSE, root_floater->getName(), button);
 	if (picker)
 	{
-		gFloaterView->getParentFloater(this)->addDependentFloater(picker);
+		root_floater->addDependentFloater(picker);
 	}
 }
 
@@ -310,11 +319,17 @@ void LLFloaterReporter::setFromAvatarID(const LLUUID& avatar_id)
 	std::string avatar_link = LLSLURL("agent", mObjectID, "inspect").getSLURLString();
 	getChild<LLUICtrl>("owner_name")->setValue(avatar_link);
 
-	LLAvatarNameCache::get(avatar_id, boost::bind(&LLFloaterReporter::onAvatarNameCache, this, _1, _2));
+	if (mAvatarNameCacheConnection.connected())
+	{
+		mAvatarNameCacheConnection.disconnect();
+	}
+	mAvatarNameCacheConnection = LLAvatarNameCache::get(avatar_id, boost::bind(&LLFloaterReporter::onAvatarNameCache, this, _1, _2));
 }
 
 void LLFloaterReporter::onAvatarNameCache(const LLUUID& avatar_id, const LLAvatarName& av_name)
 {
+	mAvatarNameCacheConnection.disconnect();
+
 	if (mObjectID == avatar_id)
 	{
 		mOwnerName = av_name.getCompleteName();
diff --git a/indra/newview/llfloaterreporter.h b/indra/newview/llfloaterreporter.h
index 7d68431710..d54e7f6ab0 100644
--- a/indra/newview/llfloaterreporter.h
+++ b/indra/newview/llfloaterreporter.h
@@ -137,6 +137,7 @@ private:
 	std::list<LLMeanCollisionData*> mMCDList;
 	std::string		mDefaultSummary;
 	LLResourceData* mResourceDatap;
+	boost::signals2::connection mAvatarNameCacheConnection;
 };
 
 #endif
diff --git a/indra/newview/llfloaterscriptlimits.cpp b/indra/newview/llfloaterscriptlimits.cpp
index a50907601c..8d8bba7b17 100644
--- a/indra/newview/llfloaterscriptlimits.cpp
+++ b/indra/newview/llfloaterscriptlimits.cpp
@@ -602,15 +602,7 @@ void LLPanelScriptLimitsRegionMemory::onNameCache(
 		return;
 	}
 	
-	std::string name;
-	if (LLAvatarNameCache::useDisplayNames())
-	{
-		name = LLCacheName::buildUsername(full_name);
-	}
-	else
-	{
-		name = full_name;
-	}
+	std::string name = LLCacheName::buildUsername(full_name);
 
 	std::vector<LLSD>::iterator id_itor;
 	for (id_itor = mObjectListItems.begin(); id_itor != mObjectListItems.end(); ++id_itor)
@@ -713,10 +705,7 @@ void LLPanelScriptLimitsRegionMemory::setRegionDetails(LLSD content)
 				else
 				{
 					name_is_cached = gCacheName->getFullName(owner_id, owner_buf);  // username
-					if (LLAvatarNameCache::useDisplayNames())
-					{
-						owner_buf = LLCacheName::buildUsername(owner_buf);
-					}
+					owner_buf = LLCacheName::buildUsername(owner_buf);
 				}
 				if(!name_is_cached)
 				{
diff --git a/indra/newview/llfloatersellland.cpp b/indra/newview/llfloatersellland.cpp
index 64c0dfa023..0cb37dabe7 100644
--- a/indra/newview/llfloatersellland.cpp
+++ b/indra/newview/llfloatersellland.cpp
@@ -81,6 +81,7 @@ private:
 	LLUUID					mAuthorizedBuyer;
 	bool					mParcelSoldWithObjects;
 	SelectionObserver 		mParcelSelectionObserver;
+	boost::signals2::connection mAvatarNameCacheConnection;
 	
 	void updateParcelInfo();
 	void refreshUI();
@@ -129,13 +130,18 @@ LLFloater* LLFloaterSellLand::buildFloater(const LLSD& key)
 LLFloaterSellLandUI::LLFloaterSellLandUI(const LLSD& key)
 :	LLFloater(key),
 	mParcelSelectionObserver(this),
-	mRegion(0)
+	mRegion(0),
+	mAvatarNameCacheConnection()
 {
 	LLViewerParcelMgr::getInstance()->addObserver(&mParcelSelectionObserver);
 }
 
 LLFloaterSellLandUI::~LLFloaterSellLandUI()
 {
+	if (mAvatarNameCacheConnection.connected())
+	{
+		mAvatarNameCacheConnection.disconnect();
+	}
 	LLViewerParcelMgr::getInstance()->removeObserver(&mParcelSelectionObserver);
 }
 
@@ -230,15 +236,20 @@ void LLFloaterSellLandUI::updateParcelInfo()
 
 	if(mSellToBuyer)
 	{
-		LLAvatarNameCache::get(mAuthorizedBuyer, 
-			boost::bind(&LLFloaterSellLandUI::onBuyerNameCache, this, _2));
+		if (mAvatarNameCacheConnection.connected())
+		{
+			mAvatarNameCacheConnection.disconnect();
+		}
+		mAvatarNameCacheConnection = LLAvatarNameCache::get(mAuthorizedBuyer, boost::bind(&LLFloaterSellLandUI::onBuyerNameCache, this, _2));
 	}
 }
 
 void LLFloaterSellLandUI::onBuyerNameCache(const LLAvatarName& av_name)
 {
+	mAvatarNameCacheConnection.disconnect();
+
 	getChild<LLUICtrl>("sell_to_agent")->setValue(av_name.getCompleteName());
-	getChild<LLUICtrl>("sell_to_agent")->setToolTip(av_name.mUsername);
+	getChild<LLUICtrl>("sell_to_agent")->setToolTip(av_name.getUserName());
 }
 
 void LLFloaterSellLandUI::setBadge(const char* id, Badge badge)
@@ -392,7 +403,8 @@ void LLFloaterSellLandUI::onChangeValue(LLUICtrl *ctrl, void *userdata)
 
 void LLFloaterSellLandUI::doSelectAgent()
 {
-	LLFloaterAvatarPicker* picker = LLFloaterAvatarPicker::show(boost::bind(&LLFloaterSellLandUI::callbackAvatarPick, this, _1, _2), FALSE, TRUE);
+    LLView * button = findChild<LLView>("sell_to_select_agent");
+	LLFloaterAvatarPicker* picker = LLFloaterAvatarPicker::show(boost::bind(&LLFloaterSellLandUI::callbackAvatarPick, this, _1, _2), FALSE, TRUE, FALSE, this->getName(), button);
 	// grandparent is a floater, in order to set up dependency
 	if (picker)
 	{
diff --git a/indra/newview/llfloatersidepanelcontainer.cpp b/indra/newview/llfloatersidepanelcontainer.cpp
index 5385977d95..96b5c6b09b 100644
--- a/indra/newview/llfloatersidepanelcontainer.cpp
+++ b/indra/newview/llfloatersidepanelcontainer.cpp
@@ -61,7 +61,7 @@ LLPanel* LLFloaterSidePanelContainer::openChildPanel(const std::string& panel_na
 
 	if (!getVisible())
 	{
-		openFloater();
+	openFloater();
 	}
 
 	LLPanel* panel = NULL;
@@ -69,10 +69,7 @@ LLPanel* LLFloaterSidePanelContainer::openChildPanel(const std::string& panel_na
 	LLSideTrayPanelContainer* container = dynamic_cast<LLSideTrayPanelContainer*>(view->getParent());
 	if (container)
 	{
-		LLSD new_params = params;
-		new_params[LLSideTrayPanelContainer::PARAM_SUB_PANEL_NAME] = panel_name;
-		container->onOpen(new_params);
-
+		container->openPanel(panel_name, params);
 		panel = container->getCurrentPanel();
 	}
 	else if ((panel = dynamic_cast<LLPanel*>(view)) != NULL)
diff --git a/indra/newview/llfloatertools.cpp b/indra/newview/llfloatertools.cpp
index 48484786f6..7cf358c8e5 100644
--- a/indra/newview/llfloatertools.cpp
+++ b/indra/newview/llfloatertools.cpp
@@ -657,8 +657,8 @@ void LLFloaterTools::updatePopup(LLCoordGL center, MASK mask)
 
 	mBtnEdit	->setToggleState( edit_visible );
 	mRadioGroupEdit->setVisible( edit_visible );
-	bool linked_parts = gSavedSettings.getBOOL("EditLinkedParts");
-	getChildView("RenderingCost")->setVisible( !linked_parts && (edit_visible || focus_visible || move_visible) && sShowObjectCost);
+	//bool linked_parts = gSavedSettings.getBOOL("EditLinkedParts");
+	//getChildView("RenderingCost")->setVisible( !linked_parts && (edit_visible || focus_visible || move_visible) && sShowObjectCost);
 
 	mBtnLink->setVisible(edit_visible);
 	mBtnUnlink->setVisible(edit_visible);
diff --git a/indra/newview/llfloatertopobjects.cpp b/indra/newview/llfloatertopobjects.cpp
index 2d91a61b54..7530c72dd2 100644
--- a/indra/newview/llfloatertopobjects.cpp
+++ b/indra/newview/llfloatertopobjects.cpp
@@ -199,17 +199,9 @@ void LLFloaterTopObjects::handleReply(LLMessageSystem *msg, void** data)
 		// Owner names can have trailing spaces sent from server
 		LLStringUtil::trim(owner_buf);
 		
-		if (LLAvatarNameCache::useDisplayNames())
-		{
-			// ...convert hard-coded name from server to a username
-			// *TODO: Send owner_id from server and look up display name
-			owner_buf = LLCacheName::buildUsername(owner_buf);
-		}
-		else
-		{
-			// ...just strip out legacy "Resident" name
-			owner_buf = LLCacheName::cleanFullName(owner_buf);
-		}
+		// *TODO: Send owner_id from server and look up display name
+		owner_buf = LLCacheName::buildUsername(owner_buf);
+
 		columns[column_num]["column"] = "owner";
 		columns[column_num]["value"] = owner_buf;
 		columns[column_num++]["font"] = "SANSSERIF";
diff --git a/indra/newview/llfloatertranslationsettings.cpp b/indra/newview/llfloatertranslationsettings.cpp
index 1a17183efd..6a9236ce0c 100644
--- a/indra/newview/llfloatertranslationsettings.cpp
+++ b/indra/newview/llfloatertranslationsettings.cpp
@@ -29,7 +29,7 @@
 #include "llfloatertranslationsettings.h"
 
 // Viewer includes
-#include "llnearbychatbar.h"
+#include "llfloaterimnearbychat.h"
 #include "lltranslate.h"
 #include "llviewercontrol.h" // for gSavedSettings
 
@@ -293,6 +293,7 @@ void LLFloaterTranslationSettings::onBtnOK()
 	gSavedSettings.setString("TranslationService", getSelectedService());
 	gSavedSettings.setString("BingTranslateAPIKey", getEnteredBingKey());
 	gSavedSettings.setString("GoogleTranslateAPIKey", getEnteredGoogleKey());
-	LLNearbyChatBar::getInstance()->showTranslationCheckbox(LLTranslate::isTranslationConfigured());
+	(LLFloaterReg::getTypedInstance<LLFloaterIMNearbyChat>("nearby_chat"))->
+			showTranslationCheckbox(LLTranslate::isTranslationConfigured());
 	closeFloater(false);
 }
diff --git a/indra/newview/llfloatervoicevolume.cpp b/indra/newview/llfloatervoicevolume.cpp
new file mode 100644
index 0000000000..38446e46df
--- /dev/null
+++ b/indra/newview/llfloatervoicevolume.cpp
@@ -0,0 +1,220 @@
+/** 
+ * @file llfloatervoicevolume.cpp
+ *
+ * $LicenseInfo:firstyear=2012&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2012, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#include "llviewerprecompiledheaders.h"
+
+#include "llfloatervoicevolume.h"
+
+// Linden libraries
+#include "llavatarname.h"
+#include "llavatarnamecache.h"
+#include "llfloater.h"
+#include "llfloaterreg.h"
+#include "lltextbox.h"
+
+// viewer files
+#include "llagent.h"
+#include "llavataractions.h"
+#include "llinspect.h"
+#include "lltransientfloatermgr.h"
+#include "llvoiceclient.h"
+
+class LLAvatarName;
+
+//////////////////////////////////////////////////////////////////////////////
+// LLFloaterVoiceVolume
+//////////////////////////////////////////////////////////////////////////////
+
+// Avatar Inspector, a small information window used when clicking
+// on avatar names in the 2D UI and in the ambient inspector widget for
+// the 3D world.
+class LLFloaterVoiceVolume : public LLInspect, LLTransientFloater
+{
+	friend class LLFloaterReg;
+	
+public:
+	// avatar_id - Avatar ID for which to show information
+	// Inspector will be positioned relative to current mouse position
+	LLFloaterVoiceVolume(const LLSD& avatar_id);
+	virtual ~LLFloaterVoiceVolume();
+	
+	/*virtual*/ BOOL postBuild(void);
+	
+	// Because floater is single instance, need to re-parse data on each spawn
+	// (for example, inspector about same avatar but in different position)
+	/*virtual*/ void onOpen(const LLSD& avatar_id);
+
+	/*virtual*/ LLTransientFloaterMgr::ETransientGroup getGroup() { return LLTransientFloaterMgr::GLOBAL; }
+
+private:
+	// Set the volume slider to this user's current client-side volume setting,
+	// hiding/disabling if the user is not nearby.
+	void updateVolumeControls();
+
+	void onClickMuteVolume();
+	void onVolumeChange(const LLSD& data);
+	void onAvatarNameCache(const LLUUID& agent_id, const LLAvatarName& av_name);
+	
+private:
+	LLUUID				mAvatarID;
+	// Need avatar name information to spawn friend add request
+	LLAvatarName		mAvatarName;
+	boost::signals2::connection mAvatarNameCacheConnection;
+};
+
+LLFloaterVoiceVolume::LLFloaterVoiceVolume(const LLSD& sd)
+:	LLInspect(LLSD())		// single_instance, doesn't really need key
+,	mAvatarID()				// set in onOpen()  *Note: we used to show partner's name but we dont anymore --angela 3rd Dec*
+,	mAvatarName()
+,   mAvatarNameCacheConnection()
+{
+	LLTransientFloaterMgr::getInstance()->addControlView(LLTransientFloaterMgr::GLOBAL, this);
+	LLTransientFloater::init(this);
+}
+
+LLFloaterVoiceVolume::~LLFloaterVoiceVolume()
+{
+	if (mAvatarNameCacheConnection.connected())
+	{
+		mAvatarNameCacheConnection.disconnect();
+	}
+	LLTransientFloaterMgr::getInstance()->removeControlView(this);
+}
+
+/*virtual*/
+BOOL LLFloaterVoiceVolume::postBuild(void)
+{
+	getChild<LLUICtrl>("mute_btn")->setCommitCallback(
+		boost::bind(&LLFloaterVoiceVolume::onClickMuteVolume, this) );
+
+	getChild<LLUICtrl>("volume_slider")->setCommitCallback(
+		boost::bind(&LLFloaterVoiceVolume::onVolumeChange, this, _2));
+
+	return TRUE;
+}
+
+
+// Multiple calls to showInstance("floater_voice_volume", foo) will provide different
+// LLSD for foo, which we will catch here.
+//virtual
+void LLFloaterVoiceVolume::onOpen(const LLSD& data)
+{
+	// Start open animation
+	LLInspect::onOpen(data);
+
+	// Extract appropriate avatar id
+	mAvatarID = data["avatar_id"];
+
+	LLUI::positionViewNearMouse(this);
+
+	getChild<LLUICtrl>("avatar_name")->setValue("");
+	updateVolumeControls();
+
+	if (mAvatarNameCacheConnection.connected())
+	{
+		mAvatarNameCacheConnection.disconnect();
+	}
+	mAvatarNameCacheConnection = LLAvatarNameCache::get(mAvatarID, boost::bind(&LLFloaterVoiceVolume::onAvatarNameCache, this, _1, _2));
+}
+
+void LLFloaterVoiceVolume::updateVolumeControls()
+{
+	bool voice_enabled = LLVoiceClient::getInstance()->getVoiceEnabled(mAvatarID);
+
+	LLUICtrl* mute_btn = getChild<LLUICtrl>("mute_btn");
+	LLUICtrl* volume_slider = getChild<LLUICtrl>("volume_slider");
+
+	// Do not display volume slider and mute button if it 
+	// is ourself or we are not in a voice channel together
+	if (!voice_enabled || (mAvatarID == gAgent.getID()))
+	{
+		mute_btn->setVisible(false);
+		volume_slider->setVisible(false);
+	}
+	else 
+	{
+		mute_btn->setVisible(true);
+		volume_slider->setVisible(true);
+
+		// By convention, we only display and toggle voice mutes, not all mutes
+		bool is_muted = LLAvatarActions::isVoiceMuted(mAvatarID);
+		bool is_linden = LLStringUtil::endsWith(mAvatarName.getUserName(), " Linden");
+
+		mute_btn->setEnabled(!is_linden);
+		mute_btn->setValue(is_muted);
+
+		volume_slider->setEnabled(!is_muted);
+
+		F32 volume;
+		if (is_muted)
+		{
+			// it's clearer to display their volume as zero
+			volume = 0.f;
+		}
+		else
+		{
+			// actual volume
+			volume = LLVoiceClient::getInstance()->getUserVolume(mAvatarID);
+		}
+		volume_slider->setValue((F64)volume);
+	}
+
+}
+
+void LLFloaterVoiceVolume::onClickMuteVolume()
+{
+	LLAvatarActions::toggleMuteVoice(mAvatarID);
+	updateVolumeControls();
+}
+
+void LLFloaterVoiceVolume::onVolumeChange(const LLSD& data)
+{
+	F32 volume = (F32)data.asReal();
+	LLVoiceClient::getInstance()->setUserVolume(mAvatarID, volume);
+}
+
+void LLFloaterVoiceVolume::onAvatarNameCache(
+		const LLUUID& agent_id,
+		const LLAvatarName& av_name)
+{
+	mAvatarNameCacheConnection.disconnect();
+
+	if (agent_id != mAvatarID)
+	{
+		return;
+	}
+
+	getChild<LLUICtrl>("avatar_name")->setValue(av_name.getCompleteName());
+	mAvatarName = av_name;
+}
+
+//////////////////////////////////////////////////////////////////////////////
+// LLFloaterVoiceVolumeUtil
+//////////////////////////////////////////////////////////////////////////////
+void LLFloaterVoiceVolumeUtil::registerFloater()
+{
+	LLFloaterReg::add("floater_voice_volume", "floater_voice_volume.xml",
+					  &LLFloaterReg::build<LLFloaterVoiceVolume>);
+}
diff --git a/indra/newview/llfloatervoicevolume.h b/indra/newview/llfloatervoicevolume.h
new file mode 100644
index 0000000000..8fcf7f250b
--- /dev/null
+++ b/indra/newview/llfloatervoicevolume.h
@@ -0,0 +1,35 @@
+/** 
+ * @file llfloatervoicevolume.h
+ *
+ * $LicenseInfo:firstyear=2012&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2012, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLFLOATERVOICEVOLUME_H
+#define LL_LLFLOATERVOICEVOLUME_H
+
+namespace LLFloaterVoiceVolumeUtil
+{
+	// Register with LLFloaterReg
+	void registerFloater();
+}
+
+#endif // LL_LLFLOATERVOICEVOLUME_H
diff --git a/indra/newview/llfoldervieweventlistener.h b/indra/newview/llfoldervieweventlistener.h
deleted file mode 100644
index 06682dcbf1..0000000000
--- a/indra/newview/llfoldervieweventlistener.h
+++ /dev/null
@@ -1,103 +0,0 @@
-/** 
- * @file llfoldervieweventlistener.h
- *
- * $LicenseInfo:firstyear=2001&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-#ifndef LLFOLDERVIEWEVENTLISTENER_H
-#define LLFOLDERVIEWEVENTLISTENER_H
-
-#include "lldarray.h"	// *TODO: convert to std::vector
-#include "llfoldertype.h"
-#include "llfontgl.h"	// just for StyleFlags enum
-#include "llinventorytype.h"
-#include "llpermissionsflags.h"
-#include "llpointer.h"
-#include "llwearabletype.h"
-
-
-class LLFolderViewItem;
-class LLFolderView;
-class LLFontGL;
-class LLInventoryModel;
-class LLMenuGL;
-class LLScrollContainer;
-class LLUIImage;
-class LLUUID;
-
-// This is an abstract base class that users of the folderview classes
-// would use to catch the useful events emitted from the folder
-// views.
-class LLFolderViewEventListener
-{
-public:
-	virtual ~LLFolderViewEventListener( void ) {}
-	virtual const std::string& getName() const = 0;
-	virtual const std::string& getDisplayName() const = 0;
-	virtual const LLUUID& getUUID() const = 0;
-	virtual time_t getCreationDate() const = 0;	// UTC seconds
-	virtual PermissionMask getPermissionMask() const = 0;
-	virtual LLFolderType::EType getPreferredType() const = 0;
-	virtual LLPointer<LLUIImage> getIcon() const = 0;
-	virtual LLPointer<LLUIImage> getOpenIcon() const { return getIcon(); }
-	virtual LLFontGL::StyleFlags getLabelStyle() const = 0;
-	virtual std::string getLabelSuffix() const = 0;
-	virtual void openItem( void ) = 0;
-	virtual void closeItem( void ) = 0;
-	virtual void previewItem( void ) = 0;
-	virtual void selectItem(void) = 0;
-	virtual void showProperties(void) = 0;
-	virtual BOOL isItemRenameable() const = 0;
-	virtual BOOL renameItem(const std::string& new_name) = 0;
-	virtual BOOL isItemMovable( void ) const = 0;		// Can be moved to another folder
-	virtual BOOL isItemRemovable( void ) const = 0;		// Can be destroyed
-	virtual BOOL isItemInTrash( void) const { return FALSE; } // TODO: make into pure virtual.
-	virtual BOOL removeItem() = 0;
-	virtual void removeBatch(LLDynamicArray<LLFolderViewEventListener*>& batch) = 0;
-	virtual void move( LLFolderViewEventListener* parent_listener ) = 0;
-	virtual BOOL isItemCopyable() const = 0;
-	virtual BOOL copyToClipboard() const = 0;
-	virtual BOOL cutToClipboard() const = 0;
-	virtual BOOL isClipboardPasteable() const = 0;
-	virtual void pasteFromClipboard() = 0;
-	virtual void pasteLinkFromClipboard() = 0;
-	virtual void buildContextMenu(LLMenuGL& menu, U32 flags) = 0;
-	virtual BOOL isUpToDate() const = 0;
-	virtual BOOL hasChildren() const = 0;
-	virtual LLInventoryType::EType getInventoryType() const = 0;
-	virtual void performAction(LLInventoryModel* model, std::string action) = 0;
-	virtual LLWearableType::EType getWearableType() const = 0;
-	
-	// This method should be called when a drag begins. returns TRUE
-	// if the drag can begin, otherwise FALSE.
-	virtual BOOL startDrag(EDragAndDropType* type, LLUUID* id) const = 0;
-	
-	// This method will be called to determine if a drop can be
-	// performed, and will set drop to TRUE if a drop is
-	// requested. Returns TRUE if a drop is possible/happened,
-	// otherwise FALSE.
-	virtual BOOL dragOrDrop(MASK mask, BOOL drop,
-							EDragAndDropType cargo_type,
-							void* cargo_data,
-							std::string& tooltip_msg) = 0;
-};
-
-#endif
diff --git a/indra/newview/llfolderviewitem.cpp b/indra/newview/llfolderviewitem.cpp
deleted file mode 100644
index 3aa16b4413..0000000000
--- a/indra/newview/llfolderviewitem.cpp
+++ /dev/null
@@ -1,2901 +0,0 @@
-/** 
-* @file llfolderviewitem.cpp
-* @brief Items and folders that can appear in a hierarchical folder view
-*
-* $LicenseInfo:firstyear=2001&license=viewerlgpl$
-* Second Life Viewer Source Code
-* Copyright (C) 2010, Linden Research, Inc.
-* 
-* This library is free software; you can redistribute it and/or
-* modify it under the terms of the GNU Lesser General Public
-* License as published by the Free Software Foundation;
-* version 2.1 of the License only.
-* 
-* This library is distributed in the hope that it will be useful,
-* but WITHOUT ANY WARRANTY; without even the implied warranty of
-* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-* Lesser General Public License for more details.
-* 
-* You should have received a copy of the GNU Lesser General Public
-* License along with this library; if not, write to the Free Software
-* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
-* 
-* Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
-* $/LicenseInfo$
-*/
-#include "llviewerprecompiledheaders.h"
-
-#include "llfolderviewitem.h"
-
-// viewer includes
-#include "llfolderview.h"		// Items depend extensively on LLFolderViews
-#include "llfoldervieweventlistener.h"
-#include "llviewerfoldertype.h"
-#include "llinventorybridge.h"	// for LLItemBridge in LLInventorySort::operator()
-#include "llinventoryfilter.h"
-#include "llinventoryfunctions.h"
-#include "llinventorymodelbackgroundfetch.h"
-#include "llpanel.h"
-#include "llviewercontrol.h"	// gSavedSettings
-#include "llviewerwindow.h"		// Argh, only for setCursor()
-
-// linden library includes
-#include "llclipboard.h"
-#include "llfocusmgr.h"		// gFocusMgr
-#include "lltrans.h"
-
-///----------------------------------------------------------------------------
-/// Class LLFolderViewItem
-///----------------------------------------------------------------------------
-
-static LLDefaultChildRegistry::Register<LLFolderViewItem> r("folder_view_item");
-
-// statics 
-std::map<U8, LLFontGL*> LLFolderViewItem::sFonts; // map of styles to fonts
-
-// only integers can be initialized in header
-const F32 LLFolderViewItem::FOLDER_CLOSE_TIME_CONSTANT = 0.02f;
-const F32 LLFolderViewItem::FOLDER_OPEN_TIME_CONSTANT = 0.03f;
-
-const LLColor4U DEFAULT_WHITE(255, 255, 255);
-
-
-//static
-LLFontGL* LLFolderViewItem::getLabelFontForStyle(U8 style)
-{
-	LLFontGL* rtn = sFonts[style];
-	if (!rtn) // grab label font with this style, lazily
-	{
-		LLFontDescriptor labelfontdesc("SansSerif", "Small", style);
-		rtn = LLFontGL::getFont(labelfontdesc);
-		if (!rtn)
-		{
-			rtn = LLFontGL::getFontDefault();
-		}
-		sFonts[style] = rtn;
-	}
-	return rtn;
-}
-
-//static
-void LLFolderViewItem::initClass()
-{
-}
-
-//static
-void LLFolderViewItem::cleanupClass()
-{
-	sFonts.clear();
-}
-
-
-// NOTE: Optimize this, we call it a *lot* when opening a large inventory
-LLFolderViewItem::Params::Params()
-:	icon(),
-	icon_open(),
-	icon_overlay(),
-	root(),
-	listener(),
-	folder_arrow_image("folder_arrow_image"),
-	folder_indentation("folder_indentation"),
-	selection_image("selection_image"),
-	item_height("item_height"),
-	item_top_pad("item_top_pad"),
-	creation_date()
-{}
-
-// Default constructor
-LLFolderViewItem::LLFolderViewItem(const LLFolderViewItem::Params& p)
-:	LLView(p),
-	mLabelWidth(0),
-	mLabelWidthDirty(false),
-	mParentFolder( NULL ),
-	mIsSelected( FALSE ),
-	mIsCurSelection( FALSE ),
-	mSelectPending(FALSE),
-	mLabelStyle( LLFontGL::NORMAL ),
-	mHasVisibleChildren(FALSE),
-	mIndentation(0),
-	mItemHeight(p.item_height),
-	mPassedFilter(FALSE),
-	mLastFilterGeneration(-1),
-	mStringMatchOffset(std::string::npos),
-	mControlLabelRotation(0.f),
-	mDragAndDropTarget(FALSE),
-	mIsLoading(FALSE),
-	mLabel(p.name),
-	mRoot(p.root),
-	mCreationDate(p.creation_date),
-	mIcon(p.icon),
-	mIconOpen(p.icon_open),
-	mIconOverlay(p.icon_overlay),
-	mListener(p.listener),
-	mShowLoadStatus(false),
-	mIsMouseOverTitle(false)
-{
-}
-
-BOOL LLFolderViewItem::postBuild()
-{
-	refresh();
-	return TRUE;
-}
-
-// Destroys the object
-LLFolderViewItem::~LLFolderViewItem( void )
-{
-	delete mListener;
-	mListener = NULL;
-}
-
-LLFolderView* LLFolderViewItem::getRoot()
-{
-	return mRoot;
-}
-
-// Returns true if this object is a child (or grandchild, etc.) of potential_ancestor.
-BOOL LLFolderViewItem::isDescendantOf( const LLFolderViewFolder* potential_ancestor )
-{
-	LLFolderViewItem* root = this;
-	while( root->mParentFolder )
-	{
-		if( root->mParentFolder == potential_ancestor )
-		{
-			return TRUE;
-		}
-		root = root->mParentFolder;
-	}
-	return FALSE;
-}
-
-LLFolderViewItem* LLFolderViewItem::getNextOpenNode(BOOL include_children)
-{
-	if (!mParentFolder)
-	{
-		return NULL;
-	}
-
-	LLFolderViewItem* itemp = mParentFolder->getNextFromChild( this, include_children );
-	while(itemp && !itemp->getVisible())
-	{
-		LLFolderViewItem* next_itemp = itemp->mParentFolder->getNextFromChild( itemp, include_children );
-		if (itemp == next_itemp) 
-		{
-			// hit last item
-			return itemp->getVisible() ? itemp : this;
-		}
-		itemp = next_itemp;
-	}
-
-	return itemp;
-}
-
-LLFolderViewItem* LLFolderViewItem::getPreviousOpenNode(BOOL include_children)
-{
-	if (!mParentFolder)
-	{
-		return NULL;
-	}
-
-	LLFolderViewItem* itemp = mParentFolder->getPreviousFromChild( this, include_children );
-
-	// Skip over items that are invisible or are hidden from the UI.
-	while(itemp && !itemp->getVisible())
-	{
-		LLFolderViewItem* next_itemp = itemp->mParentFolder->getPreviousFromChild( itemp, include_children );
-		if (itemp == next_itemp) 
-		{
-			// hit first item
-			return itemp->getVisible() ? itemp : this;
-		}
-		itemp = next_itemp;
-	}
-
-	return itemp;
-}
-
-// is this item something we think we should be showing?
-// for example, if we haven't gotten around to filtering it yet, then the answer is yes
-// until we find out otherwise
-BOOL LLFolderViewItem::potentiallyVisible()
-{
-	// we haven't been checked against min required filter
-	// or we have and we passed
-	return potentiallyFiltered();
-}
-
-BOOL LLFolderViewItem::potentiallyFiltered()
-{
-	return getLastFilterGeneration() < getRoot()->getFilter()->getMinRequiredGeneration() || getFiltered();
-}
-
-BOOL LLFolderViewItem::getFiltered() 
-{ 
-	return mPassedFilter && mLastFilterGeneration >= getRoot()->getFilter()->getMinRequiredGeneration(); 
-}
-
-BOOL LLFolderViewItem::getFiltered(S32 filter_generation) 
-{
-	return mPassedFilter && mLastFilterGeneration >= filter_generation;
-}
-
-void LLFolderViewItem::setFiltered(BOOL filtered, S32 filter_generation)
-{
-	mPassedFilter = filtered;
-	mLastFilterGeneration = filter_generation;
-}
-
-void LLFolderViewItem::setIcon(LLUIImagePtr icon)
-{
-	mIcon = icon;
-}
-
-// refresh information from the listener
-void LLFolderViewItem::refreshFromListener()
-{
-	if(mListener)
-	{
-		mLabel = mListener->getDisplayName();
-		LLFolderType::EType preferred_type = mListener->getPreferredType();
-
-		// *TODO: to be removed when database supports multi language. This is a
-		// temporary attempt to display the inventory folder in the user locale.
-		// mantipov: *NOTE: be sure this code is synchronized with LLFriendCardsManager::findChildFolderUUID
-		//		it uses the same way to find localized string
-
-		// HACK: EXT - 6028 ([HARD CODED]? Inventory > Library > "Accessories" folder)
-		// Translation of Accessories folder in Library inventory folder
-		bool accessories = false;
-		if(mLabel == std::string("Accessories"))
-		{
-			//To ensure that Accessories folder is in Library we have to check its parent folder.
-			//Due to parent LLFolderViewFloder is not set to this item yet we have to check its parent via Inventory Model
-			LLInventoryCategory* cat = gInventory.getCategory(mListener->getUUID());
-			if(cat)
-			{
-				const LLUUID& parent_folder_id = cat->getParentUUID();
-				accessories = (parent_folder_id == gInventory.getLibraryRootFolderID());
-			}
-		}
-
-		//"Accessories" inventory category has folder type FT_NONE. So, this folder
-		//can not be detected as protected with LLFolderType::lookupIsProtectedType
-		if (accessories || LLFolderType::lookupIsProtectedType(preferred_type))
-		{
-			LLTrans::findString(mLabel, "InvFolder " + mLabel);
-		};
-
-		setToolTip(mLabel);
-		setIcon(mListener->getIcon());
-		time_t creation_date = mListener->getCreationDate();
-		if ((creation_date > 0) && (mCreationDate != creation_date))
-		{
-			setCreationDate(creation_date);
-			dirtyFilter();
-		}
-		if (mRoot->useLabelSuffix())
-		{
-			mLabelStyle = mListener->getLabelStyle();
-			mLabelSuffix = mListener->getLabelSuffix();
-		}
-	}
-}
-
-void LLFolderViewItem::refresh()
-{
-	refreshFromListener();
-
-	std::string searchable_label(mLabel);
-	searchable_label.append(mLabelSuffix);
-	LLStringUtil::toUpper(searchable_label);
-
-	if (mSearchableLabel.compare(searchable_label))
-	{
-		mSearchableLabel.assign(searchable_label);
-		dirtyFilter();
-		// some part of label has changed, so overall width has potentially changed, and sort order too
-		if (mParentFolder)
-		{
-			mParentFolder->requestSort();
-			mParentFolder->requestArrange();
-		}
-	}
-
-	mLabelWidthDirty = true;
-}
-
-void LLFolderViewItem::applyListenerFunctorRecursively(LLFolderViewListenerFunctor& functor)
-{
-	functor(mListener);
-}
-
-// This function is called when items are added or view filters change. It's
-// implemented here but called by derived classes when folding the
-// views.
-void LLFolderViewItem::filterFromRoot( void )
-{
-	LLFolderViewItem* root = getRoot();
-
-	root->filter(*((LLFolderView*)root)->getFilter());
-}
-
-// This function is called when the folder view is dirty. It's
-// implemented here but called by derived classes when folding the
-// views.
-void LLFolderViewItem::arrangeFromRoot()
-{
-	LLFolderViewItem* root = getRoot();
-
-	S32 height = 0;
-	S32 width = 0;
-	S32 total_height = root->arrange( &width, &height, 0 );
-
-	LLSD params;
-	params["action"] = "size_changes";
-	params["height"] = total_height;
-	getParent()->notifyParent(params);
-}
-
-// Utility function for LLFolderView
-void LLFolderViewItem::arrangeAndSet(BOOL set_selection,
-									 BOOL take_keyboard_focus)
-{
-	LLFolderView* root = getRoot();
-	if (getParentFolder())
-	{
-	getParentFolder()->requestArrange();
-	}
-	if(set_selection)
-	{
-		setSelectionFromRoot(this, TRUE, take_keyboard_focus);
-		if(root)
-		{
-			root->scrollToShowSelection();
-		}
-	}		
-}
-
-// This function clears the currently selected item, and records the
-// specified selected item appropriately for display and use in the
-// UI. If open is TRUE, then folders are opened up along the way to
-// the selection.
-void LLFolderViewItem::setSelectionFromRoot(LLFolderViewItem* selection,
-											BOOL openitem,
-											BOOL take_keyboard_focus)
-{
-	getRoot()->setSelection(selection, openitem, take_keyboard_focus);
-}
-
-// helper function to change the selection from the root.
-void LLFolderViewItem::changeSelectionFromRoot(LLFolderViewItem* selection, BOOL selected)
-{
-	getRoot()->changeSelection(selection, selected);
-}
-
-std::set<LLUUID> LLFolderViewItem::getSelectionList() const
-{
-	std::set<LLUUID> selection;
-	return selection;
-}
-
-EInventorySortGroup LLFolderViewItem::getSortGroup()  const
-{ 
-	return SG_ITEM; 
-}
-
-// addToFolder() returns TRUE if it succeeds. FALSE otherwise
-BOOL LLFolderViewItem::addToFolder(LLFolderViewFolder* folder, LLFolderView* root)
-{
-	if (!folder)
-	{
-		return FALSE;
-	}
-	mParentFolder = folder;
-	root->addItemID(getListener()->getUUID(), this);
-	return folder->addItem(this);
-}
-
-
-// Finds width and height of this object and its children.  Also
-// makes sure that this view and its children are the right size.
-S32 LLFolderViewItem::arrange( S32* width, S32* height, S32 filter_generation)
-{
-	const Params& p = LLUICtrlFactory::getDefaultParams<LLFolderViewItem>();
-	S32 indentation = p.folder_indentation();
-	// Only indent deeper items in hierarchy
-	mIndentation = (getParentFolder() 
-					&& getParentFolder()->getParentFolder() )
-		? mParentFolder->getIndentation() + indentation
-		: 0;
-	if (mLabelWidthDirty)
-	{
-		mLabelWidth = ARROW_SIZE + TEXT_PAD + ICON_WIDTH + ICON_PAD + getLabelFontForStyle(mLabelStyle)->getWidth(mLabel) + getLabelFontForStyle(mLabelStyle)->getWidth(mLabelSuffix) + TEXT_PAD_RIGHT; 
-		mLabelWidthDirty = false;
-	}
-
-	*width = llmax(*width, mLabelWidth + mIndentation); 
-
-	// determine if we need to use ellipses to avoid horizontal scroll. EXT-719
-	bool use_ellipses = getRoot()->getUseEllipses();
-	if (use_ellipses)
-	{
-		// limit to set rect to avoid horizontal scrollbar
-		*width = llmin(*width, getRoot()->getRect().getWidth());
-	}
-	*height = getItemHeight();
-	return *height;
-}
-
-S32 LLFolderViewItem::getItemHeight()
-{
-	return mItemHeight;
-}
-
-void LLFolderViewItem::filter( LLInventoryFilter& filter)
-{
-	const BOOL previous_passed_filter = mPassedFilter;
-	const BOOL passed_filter = filter.check(this);
-
-	// If our visibility will change as a result of this filter, then
-	// we need to be rearranged in our parent folder
-	if (mParentFolder)
-	{
-		if (getVisible() != passed_filter
-			||	previous_passed_filter != passed_filter )
-			mParentFolder->requestArrange();
-	}
-
-	setFiltered(passed_filter, filter.getCurrentGeneration());
-	mStringMatchOffset = filter.getStringMatchOffset();
-	filter.decrementFilterCount();
-
-	if (getRoot()->getDebugFilters())
-	{
-		mStatusText = llformat("%d", mLastFilterGeneration);
-	}
-}
-
-void LLFolderViewItem::dirtyFilter()
-{
-	mLastFilterGeneration = -1;
-	// bubble up dirty flag all the way to root
-	if (getParentFolder())
-	{
-		getParentFolder()->setCompletedFilterGeneration(-1, TRUE);
-	}
-}
-
-// *TODO: This can be optimized a lot by simply recording that it is
-// selected in the appropriate places, and assuming that set selection
-// means 'deselect' for a leaf item. Do this optimization after
-// multiple selection is implemented to make sure it all plays nice
-// together.
-BOOL LLFolderViewItem::setSelection(LLFolderViewItem* selection, BOOL openitem, BOOL take_keyboard_focus)
-{
-	if (selection == this && !mIsSelected)
-	{
-		selectItem();
-	}
-	else if (mIsSelected)	// Deselect everything else.
-	{
-		deselectItem();
-	}
-	return mIsSelected;
-}
-
-BOOL LLFolderViewItem::changeSelection(LLFolderViewItem* selection, BOOL selected)
-{
-	if (selection == this)
-	{
-		if (mIsSelected)
-		{
-			deselectItem();
-		}
-		else
-		{
-			selectItem();
-		}
-		return TRUE;
-	}
-	return FALSE;
-}
-
-void LLFolderViewItem::deselectItem(void)
-{
-	mIsSelected = FALSE;
-}
-
-void LLFolderViewItem::selectItem(void)
-{
-	if (mIsSelected == FALSE)
-	{
-		if (mListener)
-		{
-			mListener->selectItem();
-		}
-		mIsSelected = TRUE;
-	}
-}
-
-BOOL LLFolderViewItem::isMovable()
-{
-	if( mListener )
-	{
-		return mListener->isItemMovable();
-	}
-	else
-	{
-		return TRUE;
-	}
-}
-
-BOOL LLFolderViewItem::isRemovable()
-{
-	if( mListener )
-	{
-		return mListener->isItemRemovable();
-	}
-	else
-	{
-		return TRUE;
-	}
-}
-
-void LLFolderViewItem::destroyView()
-{
-	if (mParentFolder)
-	{
-		// removeView deletes me
-		mParentFolder->removeView(this);
-	}
-}
-
-// Call through to the viewed object and return true if it can be
-// removed.
-//BOOL LLFolderViewItem::removeRecursively(BOOL single_item)
-BOOL LLFolderViewItem::remove()
-{
-	if(!isRemovable())
-	{
-		return FALSE;
-	}
-	if(mListener)
-	{
-		return mListener->removeItem();
-	}
-	return TRUE;
-}
-
-// Build an appropriate context menu for the item.
-void LLFolderViewItem::buildContextMenu(LLMenuGL& menu, U32 flags)
-{
-	if(mListener)
-	{
-		mListener->buildContextMenu(menu, flags);
-	}
-}
-
-void LLFolderViewItem::openItem( void )
-{
-	if( mListener )
-	{
-		mListener->openItem();
-	}
-}
-
-void LLFolderViewItem::preview( void )
-{
-	if (mListener)
-	{
-		mListener->previewItem();
-	}
-}
-
-void LLFolderViewItem::rename(const std::string& new_name)
-{
-	if( !new_name.empty() )
-	{
-		if( mListener )
-		{
-			mListener->renameItem(new_name);
-
-			if(mParentFolder)
-			{
-				mParentFolder->requestSort();
-			}
-		}
-	}
-}
-
-const std::string& LLFolderViewItem::getSearchableLabel() const
-{
-	return mSearchableLabel;
-}
-
-LLViewerInventoryItem * LLFolderViewItem::getInventoryItem(void)
-{
-	if (!getListener()) return NULL;
-	return gInventory.getItem(getListener()->getUUID());
-}
-
-const std::string& LLFolderViewItem::getName( void ) const
-{
-	if(mListener)
-	{
-		return mListener->getName();
-	}
-	return mLabel;
-}
-
-// LLView functionality
-BOOL LLFolderViewItem::handleRightMouseDown( S32 x, S32 y, MASK mask )
-{
-	if(!mIsSelected)
-	{
-		setSelectionFromRoot(this, FALSE);
-	}
-	make_ui_sound("UISndClick");
-	return TRUE;
-}
-
-BOOL LLFolderViewItem::handleMouseDown( S32 x, S32 y, MASK mask )
-{
-	if (LLView::childrenHandleMouseDown(x, y, mask))
-	{
-		return TRUE;
-	}
-	
-	// No handler needed for focus lost since this class has no
-	// state that depends on it.
-	gFocusMgr.setMouseCapture( this );
-
-	if (!mIsSelected)
-	{
-		if(mask & MASK_CONTROL)
-		{
-			changeSelectionFromRoot(this, !mIsSelected);
-		}
-		else if (mask & MASK_SHIFT)
-		{
-			getParentFolder()->extendSelectionTo(this);
-		}
-		else
-		{
-			setSelectionFromRoot(this, FALSE);
-		}
-		make_ui_sound("UISndClick");
-	}
-	else
-	{
-		mSelectPending = TRUE;
-	}
-
-	if( isMovable() )
-	{
-		S32 screen_x;
-		S32 screen_y;
-		localPointToScreen(x, y, &screen_x, &screen_y );
-		LLToolDragAndDrop::getInstance()->setDragStart( screen_x, screen_y );
-	}
-	return TRUE;
-}
-
-BOOL LLFolderViewItem::handleHover( S32 x, S32 y, MASK mask )
-{
-	mIsMouseOverTitle = (y > (getRect().getHeight() - mItemHeight));
-
-	if( hasMouseCapture() && isMovable() )
-	{
-		S32 screen_x;
-		S32 screen_y;
-		localPointToScreen(x, y, &screen_x, &screen_y );
-		BOOL can_drag = TRUE;
-		if( LLToolDragAndDrop::getInstance()->isOverThreshold( screen_x, screen_y ) )
-		{
-			LLFolderView* root = getRoot();
-
-			if(root->getCurSelectedItem())
-			{
-				LLToolDragAndDrop::ESource src = LLToolDragAndDrop::SOURCE_WORLD;
-
-				// *TODO: push this into listener and remove
-				// dependency on llagent
-				if (mListener
-					&& gInventory.isObjectDescendentOf(mListener->getUUID(), gInventory.getRootFolderID()))
-				{
-					src = LLToolDragAndDrop::SOURCE_AGENT;
-				}
-				else if (mListener
-					&& gInventory.isObjectDescendentOf(mListener->getUUID(), gInventory.getLibraryRootFolderID()))
-				{
-					src = LLToolDragAndDrop::SOURCE_LIBRARY;
-				}
-
-				can_drag = root->startDrag(src);
-				if (can_drag)
-				{
-					// if (mListener) mListener->startDrag();
-					// RN: when starting drag and drop, clear out last auto-open
-					root->autoOpenTest(NULL);
-					root->setShowSelectionContext(TRUE);
-
-					// Release keyboard focus, so that if stuff is dropped into the
-					// world, pressing the delete key won't blow away the inventory
-					// item.
-					gFocusMgr.setKeyboardFocus(NULL);
-
-					return LLToolDragAndDrop::getInstance()->handleHover( x, y, mask );
-				}
-			}
-		}
-
-		if (can_drag)
-		{
-			gViewerWindow->setCursor(UI_CURSOR_ARROW);
-		}
-		else
-		{
-			gViewerWindow->setCursor(UI_CURSOR_NOLOCKED);
-		}
-		return TRUE;
-	}
-	else
-	{
-		getRoot()->setShowSelectionContext(FALSE);
-		gViewerWindow->setCursor(UI_CURSOR_ARROW);
-		// let parent handle this then...
-		return FALSE;
-	}
-}
-
-
-BOOL LLFolderViewItem::handleDoubleClick( S32 x, S32 y, MASK mask )
-{
-	preview();
-	return TRUE;
-}
-
-BOOL LLFolderViewItem::handleMouseUp( S32 x, S32 y, MASK mask )
-{
-	if (LLView::childrenHandleMouseUp(x, y, mask))
-	{
-		return TRUE;
-	}
-	
-	// if mouse hasn't moved since mouse down...
-	if ( pointInView(x, y) && mSelectPending )
-	{
-		//...then select
-		if(mask & MASK_CONTROL)
-		{
-			changeSelectionFromRoot(this, !mIsSelected);
-		}
-		else if (mask & MASK_SHIFT)
-		{
-			getParentFolder()->extendSelectionTo(this);
-		}
-		else
-		{
-			setSelectionFromRoot(this, FALSE);
-		}
-	}
-
-	mSelectPending = FALSE;
-
-	if( hasMouseCapture() )
-	{
-		getRoot()->setShowSelectionContext(FALSE);
-		gFocusMgr.setMouseCapture( NULL );
-	}
-	return TRUE;
-}
-
-void LLFolderViewItem::onMouseLeave(S32 x, S32 y, MASK mask)
-{
-	mIsMouseOverTitle = false;
-}
-
-BOOL LLFolderViewItem::handleDragAndDrop(S32 x, S32 y, MASK mask, BOOL drop,
-										 EDragAndDropType cargo_type,
-										 void* cargo_data,
-										 EAcceptance* accept,
-										 std::string& tooltip_msg)
-{
-	BOOL accepted = FALSE;
-	BOOL handled = FALSE;
-	if(mListener)
-	{
-		accepted = mListener->dragOrDrop(mask,drop,cargo_type,cargo_data, tooltip_msg);
-		handled = accepted;
-		if (accepted)
-		{
-			mDragAndDropTarget = TRUE;
-			*accept = ACCEPT_YES_MULTI;
-		}
-		else
-		{
-			*accept = ACCEPT_NO;
-		}
-	}
-	if(mParentFolder && !handled)
-	{
-		// store this item to get it in LLFolderBridge::dragItemIntoFolder on drop event.
-		mRoot->setDraggingOverItem(this);
-		handled = mParentFolder->handleDragAndDropFromChild(mask,drop,cargo_type,cargo_data,accept,tooltip_msg);
-		mRoot->setDraggingOverItem(NULL);
-	}
-	if (handled)
-	{
-		lldebugst(LLERR_USER_INPUT) << "dragAndDrop handled by LLFolderViewItem" << llendl;
-	}
-
-	return handled;
-}
-
-void LLFolderViewItem::draw()
-{
-	static LLUIColor sFgColor = LLUIColorTable::instance().getColor("MenuItemEnabledColor", DEFAULT_WHITE);
-	static LLUIColor sHighlightBgColor = LLUIColorTable::instance().getColor("MenuItemHighlightBgColor", DEFAULT_WHITE);
-	static LLUIColor sHighlightFgColor = LLUIColorTable::instance().getColor("MenuItemHighlightFgColor", DEFAULT_WHITE);
-	static LLUIColor sFocusOutlineColor = LLUIColorTable::instance().getColor("InventoryFocusOutlineColor", DEFAULT_WHITE);
-	static LLUIColor sFilterBGColor = LLUIColorTable::instance().getColor("FilterBackgroundColor", DEFAULT_WHITE);
-	static LLUIColor sFilterTextColor = LLUIColorTable::instance().getColor("FilterTextColor", DEFAULT_WHITE);
-	static LLUIColor sSuffixColor = LLUIColorTable::instance().getColor("InventoryItemColor", DEFAULT_WHITE);
-	static LLUIColor sLibraryColor = LLUIColorTable::instance().getColor("InventoryItemLibraryColor", DEFAULT_WHITE);
-	static LLUIColor sLinkColor = LLUIColorTable::instance().getColor("InventoryItemLinkColor", DEFAULT_WHITE);
-	static LLUIColor sSearchStatusColor = LLUIColorTable::instance().getColor("InventorySearchStatusColor", DEFAULT_WHITE);
-	static LLUIColor sMouseOverColor = LLUIColorTable::instance().getColor("InventoryMouseOverColor", DEFAULT_WHITE);
-
-	const Params& default_params = LLUICtrlFactory::getDefaultParams<LLFolderViewItem>();
-	const S32 TOP_PAD = default_params.item_top_pad;
-	const S32 FOCUS_LEFT = 1;
-	const LLFontGL* font = getLabelFontForStyle(mLabelStyle);
-
-	const BOOL in_inventory = getListener() && gInventory.isObjectDescendentOf(getListener()->getUUID(), gInventory.getRootFolderID());
-	const BOOL in_library = getListener() && gInventory.isObjectDescendentOf(getListener()->getUUID(), gInventory.getLibraryRootFolderID());
-
-	//--------------------------------------------------------------------------------//
-	// Draw open folder arrow
-	//
-	const bool up_to_date = mListener && mListener->isUpToDate();
-	const bool possibly_has_children = ((up_to_date && hasVisibleChildren()) // we fetched our children and some of them have passed the filter...
-										|| (!up_to_date && mListener && mListener->hasChildren())); // ...or we know we have children but haven't fetched them (doesn't obey filter)
-	if (possibly_has_children)
-	{
-		LLUIImage* arrow_image = default_params.folder_arrow_image;
-		gl_draw_scaled_rotated_image(
-			mIndentation, getRect().getHeight() - ARROW_SIZE - TEXT_PAD - TOP_PAD,
-			ARROW_SIZE, ARROW_SIZE, mControlLabelRotation, arrow_image->getImage(), sFgColor);
-	}
-
-
-	//--------------------------------------------------------------------------------//
-	// Draw highlight for selected items
-	//
-	const BOOL show_context = getRoot()->getShowSelectionContext();
-	const BOOL filled = show_context || (getRoot()->getParentPanel()->hasFocus()); // If we have keyboard focus, draw selection filled
-	const S32 focus_top = getRect().getHeight();
-	const S32 focus_bottom = getRect().getHeight() - mItemHeight;
-	const bool folder_open = (getRect().getHeight() > mItemHeight + 4);
-	if (mIsSelected) // always render "current" item.  Only render other selected items if mShowSingleSelection is FALSE
-	{
-		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
-		LLColor4 bg_color = sHighlightBgColor;
-		if (!mIsCurSelection)
-		{
-			// do time-based fade of extra objects
-			F32 fade_time = getRoot()->getSelectionFadeElapsedTime();
-			if (getRoot()->getShowSingleSelection())
-			{
-				// fading out
-				bg_color.mV[VALPHA] = clamp_rescale(fade_time, 0.f, 0.4f, bg_color.mV[VALPHA], 0.f);
-			}
-			else
-			{
-				// fading in
-				bg_color.mV[VALPHA] = clamp_rescale(fade_time, 0.f, 0.4f, 0.f, bg_color.mV[VALPHA]);
-			}
-		}
-		gl_rect_2d(FOCUS_LEFT,
-				   focus_top, 
-				   getRect().getWidth() - 2,
-				   focus_bottom,
-				   bg_color, filled);
-		if (mIsCurSelection)
-		{
-			gl_rect_2d(FOCUS_LEFT, 
-					   focus_top, 
-					   getRect().getWidth() - 2,
-					   focus_bottom,
-					   sFocusOutlineColor, FALSE);
-		}
-		if (folder_open)
-		{
-			gl_rect_2d(FOCUS_LEFT,
-					   focus_bottom + 1, // overlap with bottom edge of above rect
-					   getRect().getWidth() - 2,
-					   0,
-					   sFocusOutlineColor, FALSE);
-			if (show_context)
-			{
-				gl_rect_2d(FOCUS_LEFT,
-						   focus_bottom + 1,
-						   getRect().getWidth() - 2,
-						   0,
-						   sHighlightBgColor, TRUE);
-			}
-		}
-	}
-	else if (mIsMouseOverTitle)
-	{
-		gl_rect_2d(FOCUS_LEFT,
-			focus_top, 
-			getRect().getWidth() - 2,
-			focus_bottom,
-			sMouseOverColor, FALSE);
-	}
-
-	//--------------------------------------------------------------------------------//
-	// Draw DragNDrop highlight
-	//
-	if (mDragAndDropTarget)
-	{
-		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
-		gl_rect_2d(FOCUS_LEFT, 
-				   focus_top, 
-				   getRect().getWidth() - 2,
-				   focus_bottom,
-				   sHighlightBgColor, FALSE);
-		if (folder_open)
-		{
-			gl_rect_2d(FOCUS_LEFT,
-					   focus_bottom + 1, // overlap with bottom edge of above rect
-					   getRect().getWidth() - 2,
-					   0,
-					   sHighlightBgColor, FALSE);
-		}
-		mDragAndDropTarget = FALSE;
-	}
-
-	const LLViewerInventoryItem *item = getInventoryItem();
-	const BOOL highlight_link = mIconOverlay && item && item->getIsLinkType();
-	//--------------------------------------------------------------------------------//
-	// Draw open icon
-	//
-	const S32 icon_x = mIndentation + ARROW_SIZE + TEXT_PAD;
-	if (!mIconOpen.isNull() && (llabs(mControlLabelRotation) > 80)) // For open folders
- 	{
-		mIconOpen->draw(icon_x, getRect().getHeight() - mIconOpen->getHeight() - TOP_PAD + 1);
-	}
-	else if (mIcon)
-	{
- 		mIcon->draw(icon_x, getRect().getHeight() - mIcon->getHeight() - TOP_PAD + 1);
- 	}
-
-	if (highlight_link)
-	{
-		mIconOverlay->draw(icon_x, getRect().getHeight() - mIcon->getHeight() - TOP_PAD + 1);
-	}
-
-	//--------------------------------------------------------------------------------//
-	// Exit if no label to draw
-	//
-	if (mLabel.empty())
-	{
-		return;
-	}
-
-	LLColor4 color = (mIsSelected && filled) ? sHighlightFgColor : sFgColor;
-	if (highlight_link) color = sLinkColor;
-	if (in_library) color = sLibraryColor;
-	
-	F32 right_x  = 0;
-	F32 y = (F32)getRect().getHeight() - font->getLineHeight() - (F32)TEXT_PAD - (F32)TOP_PAD;
-	F32 text_left = (F32)(ARROW_SIZE + TEXT_PAD + ICON_WIDTH + ICON_PAD + mIndentation);
-
-	//--------------------------------------------------------------------------------//
-	// Highlight filtered text
-	//
-	if (getRoot()->getDebugFilters())
-	{
-		if (!getFiltered() && !possibly_has_children)
-		{
-			color.mV[VALPHA] *= 0.5f;
-		}
-		LLColor4 filter_color = mLastFilterGeneration >= getRoot()->getFilter()->getCurrentGeneration() ? 
-			LLColor4(0.5f, 0.8f, 0.5f, 1.f) : 
-			LLColor4(0.8f, 0.5f, 0.5f, 1.f);
-		LLFontGL::getFontMonospace()->renderUTF8(mStatusText, 0, text_left, y, filter_color,
-												 LLFontGL::LEFT, LLFontGL::BOTTOM, LLFontGL::NORMAL, LLFontGL::NO_SHADOW,
-												 S32_MAX, S32_MAX, &right_x, FALSE );
-		text_left = right_x;
-	}
-	//--------------------------------------------------------------------------------//
-	// Draw the actual label text
-	//
-	font->renderUTF8(mLabel, 0, text_left, y, color,
-					 LLFontGL::LEFT, LLFontGL::BOTTOM, LLFontGL::NORMAL, LLFontGL::NO_SHADOW,
-					 S32_MAX, getRect().getWidth() - (S32) text_left, &right_x, TRUE);
-
-	//--------------------------------------------------------------------------------//
-	// Draw "Loading..." text
-	//
-	bool root_is_loading = false;
-	if (in_inventory)
-	{
-		root_is_loading = LLInventoryModelBackgroundFetch::instance().inventoryFetchInProgress(); 
-	}
-	if (in_library)
-	{
-		root_is_loading = LLInventoryModelBackgroundFetch::instance().libraryFetchInProgress();
-	}
-	if ((mIsLoading
-		&&	mTimeSinceRequestStart.getElapsedTimeF32() >= gSavedSettings.getF32("FolderLoadingMessageWaitTime"))
-			||	(LLInventoryModelBackgroundFetch::instance().folderFetchActive()
-				&&	root_is_loading
-				&&	mShowLoadStatus))
-	{
-		std::string load_string = " ( " + LLTrans::getString("LoadingData") + " ) ";
-		font->renderUTF8(load_string, 0, right_x, y, sSearchStatusColor,
-						 LLFontGL::LEFT, LLFontGL::BOTTOM, LLFontGL::NORMAL, LLFontGL::NO_SHADOW, 
-						 S32_MAX, S32_MAX, &right_x, FALSE);
-	}
-
-	//--------------------------------------------------------------------------------//
-	// Draw label suffix
-	//
-	if (!mLabelSuffix.empty())
-	{
-		font->renderUTF8( mLabelSuffix, 0, right_x, y, sSuffixColor,
-						  LLFontGL::LEFT, LLFontGL::BOTTOM, LLFontGL::NORMAL, LLFontGL::NO_SHADOW,
-						  S32_MAX, S32_MAX, &right_x, FALSE );
-	}
-
-	//--------------------------------------------------------------------------------//
-	// Highlight string match
-	//
-	if (mStringMatchOffset != std::string::npos)
-	{
-		// don't draw backgrounds for zero-length strings
-		S32 filter_string_length = getRoot()->getFilterSubString().size();
-		if (filter_string_length > 0)
-		{
-			std::string combined_string = mLabel + mLabelSuffix;
-			S32 left = llround(text_left) + font->getWidth(combined_string, 0, mStringMatchOffset) - 1;
-			S32 right = left + font->getWidth(combined_string, mStringMatchOffset, filter_string_length) + 2;
-			S32 bottom = llfloor(getRect().getHeight() - font->getLineHeight() - 3 - TOP_PAD);
-			S32 top = getRect().getHeight() - TOP_PAD;
-		
-			LLUIImage* box_image = default_params.selection_image;
-			LLRect box_rect(left, top, right, bottom);
-			box_image->draw(box_rect, sFilterBGColor);
-			F32 match_string_left = text_left + font->getWidthF32(combined_string, 0, mStringMatchOffset);
-			F32 yy = (F32)getRect().getHeight() - font->getLineHeight() - (F32)TEXT_PAD - (F32)TOP_PAD;
-			font->renderUTF8( combined_string, mStringMatchOffset, match_string_left, yy,
-							  sFilterTextColor, LLFontGL::LEFT, LLFontGL::BOTTOM, LLFontGL::NORMAL, LLFontGL::NO_SHADOW,
-							  filter_string_length, S32_MAX, &right_x, FALSE );
-		}
-	}
-}
-
-bool LLFolderViewItem::isInSelection() const
-{
-	return mIsSelected || (mParentFolder && mParentFolder->isInSelection());
-}
-
-///----------------------------------------------------------------------------
-/// Class LLFolderViewFolder
-///----------------------------------------------------------------------------
-
-LLFolderViewFolder::LLFolderViewFolder( const LLFolderViewItem::Params& p ): 
-	LLFolderViewItem( p ),	// 0 = no create time
-	mIsOpen(FALSE),
-	mExpanderHighlighted(FALSE),
-	mCurHeight(0.f),
-	mTargetHeight(0.f),
-	mAutoOpenCountdown(0.f),
-	mSubtreeCreationDate(0),
-	mAmTrash(LLFolderViewFolder::UNKNOWN),
-	mLastArrangeGeneration( -1 ),
-	mLastCalculatedWidth(0),
-	mCompletedFilterGeneration(-1),
-	mMostFilteredDescendantGeneration(-1),
-	mNeedsSort(false),
-	mPassedFolderFilter(FALSE)
-{
-}
-
-// Destroys the object
-LLFolderViewFolder::~LLFolderViewFolder( void )
-{
-	// The LLView base class takes care of object destruction. make sure that we
-	// don't have mouse or keyboard focus
-	gFocusMgr.releaseFocusIfNeeded( this ); // calls onCommit()
-}
-
-void LLFolderViewFolder::setFilteredFolder(bool filtered, S32 filter_generation)
-{
-	mPassedFolderFilter = filtered;
-	mLastFilterGeneration = filter_generation;
-}
-
-bool LLFolderViewFolder::getFilteredFolder(S32 filter_generation)
-{
-	return mPassedFolderFilter && mLastFilterGeneration >= getRoot()->getFilter()->getMinRequiredGeneration();
-}
-
-// addToFolder() returns TRUE if it succeeds. FALSE otherwise
-BOOL LLFolderViewFolder::addToFolder(LLFolderViewFolder* folder, LLFolderView* root)
-{
-	if (!folder)
-	{
-		return FALSE;
-	}
-	mParentFolder = folder;
-	root->addItemID(getListener()->getUUID(), this);
-	return folder->addFolder(this);
-}
-
-// Finds width and height of this object and its children. Also
-// makes sure that this view and its children are the right size.
-S32 LLFolderViewFolder::arrange( S32* width, S32* height, S32 filter_generation)
-{
-	// sort before laying out contents
-	if (mNeedsSort)
-	{
-		mFolders.sort(mSortFunction);
-		mItems.sort(mSortFunction);
-		mNeedsSort = false;
-	}
-
-	// evaluate mHasVisibleChildren
-	mHasVisibleChildren = false;
-	if (hasFilteredDescendants(filter_generation))
-	{
-		// We have to verify that there's at least one child that's not filtered out
-		bool found = false;
-		// Try the items first
-		for (items_t::iterator iit = mItems.begin(); iit != mItems.end(); ++iit)
-		{
-			LLFolderViewItem* itemp = (*iit);
-			found = (itemp->getFiltered(filter_generation));
-			if (found)
-				break;
-		}
-		if (!found)
-		{
-			// If no item found, try the folders
-			for (folders_t::iterator fit = mFolders.begin(); fit != mFolders.end(); ++fit)
-			{
-				LLFolderViewFolder* folderp = (*fit);
-				found = ( folderp->getListener()
-								&&	(folderp->getFiltered(filter_generation)
-									 ||	(folderp->getFilteredFolder(filter_generation) 
-										 && folderp->hasFilteredDescendants(filter_generation))));
-				if (found)
-					break;
-			}
-		}
-
-		mHasVisibleChildren = found;
-	}
-
-	// calculate height as a single item (without any children), and reshapes rectangle to match
-	LLFolderViewItem::arrange( width, height, filter_generation );
-
-	// clamp existing animated height so as to never get smaller than a single item
-	mCurHeight = llmax((F32)*height, mCurHeight);
-
-	// initialize running height value as height of single item in case we have no children
-	*height = getItemHeight();
-	F32 running_height = (F32)*height;
-	F32 target_height = (F32)*height;
-
-	// are my children visible?
-	if (needsArrange())
-	{
-		// set last arrange generation first, in case children are animating
-		// and need to be arranged again
-		mLastArrangeGeneration = getRoot()->getArrangeGeneration();
-		if (mIsOpen)
-		{
-			// Add sizes of children
-			S32 parent_item_height = getRect().getHeight();
-
-			for(folders_t::iterator fit = mFolders.begin(); fit != mFolders.end(); ++fit)
-			{
-				LLFolderViewFolder* folderp = (*fit);
-				if (getRoot()->getDebugFilters())
-				{
-					folderp->setVisible(TRUE);
-				}
-				else
-				{
-					folderp->setVisible( folderp->getListener()
-										&&	(folderp->getFiltered(filter_generation)
-											||	(folderp->getFilteredFolder(filter_generation) 
-												&& folderp->hasFilteredDescendants(filter_generation)))); // passed filter or has descendants that passed filter
-				}
-
-				if (folderp->getVisible())
-				{
-					S32 child_width = *width;
-					S32 child_height = 0;
-					S32 child_top = parent_item_height - llround(running_height);
-
-					target_height += folderp->arrange( &child_width, &child_height, filter_generation );
-
-					running_height += (F32)child_height;
-					*width = llmax(*width, child_width);
-					folderp->setOrigin( 0, child_top - folderp->getRect().getHeight() );
-				}
-			}
-			for(items_t::iterator iit = mItems.begin();
-				iit != mItems.end(); ++iit)
-			{
-				LLFolderViewItem* itemp = (*iit);
-				if (getRoot()->getDebugFilters())
-				{
-					itemp->setVisible(TRUE);
-				}
-				else
-				{
-					itemp->setVisible(itemp->getFiltered(filter_generation));
-				}
-
-				if (itemp->getVisible())
-				{
-					S32 child_width = *width;
-					S32 child_height = 0;
-					S32 child_top = parent_item_height - llround(running_height);
-
-					target_height += itemp->arrange( &child_width, &child_height, filter_generation );
-					// don't change width, as this item is as wide as its parent folder by construction
-					itemp->reshape( itemp->getRect().getWidth(), child_height);
-
-					running_height += (F32)child_height;
-					*width = llmax(*width, child_width);
-					itemp->setOrigin( 0, child_top - itemp->getRect().getHeight() );
-				}
-			}
-		}
-
-		mTargetHeight = target_height;
-		// cache this width so next time we can just return it
-		mLastCalculatedWidth = *width;
-	}
-	else
-	{
-		// just use existing width
-		*width = mLastCalculatedWidth;
-	}
-
-	// animate current height towards target height
-	if (llabs(mCurHeight - mTargetHeight) > 1.f)
-	{
-		mCurHeight = lerp(mCurHeight, mTargetHeight, LLCriticalDamp::getInterpolant(mIsOpen ? FOLDER_OPEN_TIME_CONSTANT : FOLDER_CLOSE_TIME_CONSTANT));
-
-		requestArrange();
-
-		// hide child elements that fall out of current animated height
-		for (folders_t::iterator iter = mFolders.begin();
-			iter != mFolders.end();)
-		{
-			folders_t::iterator fit = iter++;
-			// number of pixels that bottom of folder label is from top of parent folder
-			if (getRect().getHeight() - (*fit)->getRect().mTop + (*fit)->getItemHeight() 
-				> llround(mCurHeight) + MAX_FOLDER_ITEM_OVERLAP)
-			{
-				// hide if beyond current folder height
-				(*fit)->setVisible(FALSE);
-			}
-		}
-
-		for (items_t::iterator iter = mItems.begin();
-			iter != mItems.end();)
-		{
-			items_t::iterator iit = iter++;
-			// number of pixels that bottom of item label is from top of parent folder
-			if (getRect().getHeight() - (*iit)->getRect().mBottom
-				> llround(mCurHeight) + MAX_FOLDER_ITEM_OVERLAP)
-			{
-				(*iit)->setVisible(FALSE);
-			}
-		}
-	}
-	else
-	{
-		mCurHeight = mTargetHeight;
-	}
-
-	// don't change width as this item is already as wide as its parent folder
-	reshape(getRect().getWidth(),llround(mCurHeight));
-
-	// pass current height value back to parent
-	*height = llround(mCurHeight);
-
-	return llround(mTargetHeight);
-}
-
-BOOL LLFolderViewFolder::needsArrange()
-{
-	return mLastArrangeGeneration < getRoot()->getArrangeGeneration(); 
-}
-
-void LLFolderViewFolder::requestSort()
-{
-	mNeedsSort = true;
-	// whenever item order changes, we need to lay things out again
-	requestArrange();
-}
-
-void LLFolderViewFolder::setCompletedFilterGeneration(S32 generation, BOOL recurse_up)
-{
-	//mMostFilteredDescendantGeneration = llmin(mMostFilteredDescendantGeneration, generation);
-	mCompletedFilterGeneration = generation;
-	// only aggregate up if we are a lower (older) value
-	if (recurse_up
-		&& mParentFolder
-		&& generation < mParentFolder->getCompletedFilterGeneration())
-	{
-		mParentFolder->setCompletedFilterGeneration(generation, TRUE);
-	}
-}
-
-void LLFolderViewFolder::filter( LLInventoryFilter& filter)
-{
-	S32 filter_generation = filter.getCurrentGeneration();
-	// if failed to pass filter newer than must_pass_generation
-	// you will automatically fail this time, so we only
-	// check against items that have passed the filter
-	S32 must_pass_generation = filter.getMustPassGeneration();
-	
-	bool autoopen_folders = (filter.hasFilterString());
-
-	// if we have already been filtered against this generation, skip out
-	if (getCompletedFilterGeneration() >= filter_generation)
-	{
-		return;
-	}
-
-	// filter folder itself
-	if (getLastFilterGeneration() < filter_generation)
-	{
-		if (getLastFilterGeneration() >= must_pass_generation	// folder has been compared to a valid precursor filter
-			&& !mPassedFilter)									// and did not pass the filter
-		{
-			// go ahead and flag this folder as done
-			mLastFilterGeneration = filter_generation;
-			mStringMatchOffset = std::string::npos;
-		}
-		else // filter self only on first pass through
-		{
-			// filter against folder rules
-			filterFolder(filter);
-			// and then item rules
-			LLFolderViewItem::filter( filter );
-		}
-	}
-
-	if (getRoot()->getDebugFilters())
-	{
-		mStatusText = llformat("%d", mLastFilterGeneration);
-		mStatusText += llformat("(%d)", mCompletedFilterGeneration);
-		mStatusText += llformat("+%d", mMostFilteredDescendantGeneration);
-	}
-
-	// all descendants have been filtered later than must pass generation
-	// but none passed
-	if(getCompletedFilterGeneration() >= must_pass_generation && !hasFilteredDescendants(must_pass_generation))
-	{
-		// don't traverse children if we've already filtered them since must_pass_generation
-		// and came back with nothing
-		return;
-	}
-
-	// we entered here with at least one filter iteration left
-	// check to see if we have any more before continuing on to children
-	if (filter.getFilterCount() < 0)
-	{
-		return;
-	}
-
-	// when applying a filter, matching folders get their contents downloaded first
-	if (filter.isNotDefault()
-		&& getFiltered(filter.getMinRequiredGeneration())
-		&&	(mListener
-			&& !gInventory.isCategoryComplete(mListener->getUUID())))
-	{
-		LLInventoryModelBackgroundFetch::instance().start(mListener->getUUID());
-	}
-
-	// now query children
-	for (folders_t::iterator iter = mFolders.begin();
-		 iter != mFolders.end();
-		 ++iter)
-	{
-		LLFolderViewFolder* folder = (*iter);
-		// have we run out of iterations this frame?
-		if (filter.getFilterCount() < 0)
-		{
-			break;
-		}
-
-		// mMostFilteredDescendantGeneration might have been reset
-		// in which case we need to update it even for folders that
-		// don't need to be filtered anymore
-		if (folder->getCompletedFilterGeneration() >= filter_generation)
-		{
-			// track latest generation to pass any child items
-			if (folder->getFiltered() || folder->hasFilteredDescendants(filter.getMinRequiredGeneration()))
-			{
-				mMostFilteredDescendantGeneration = filter_generation;
-				requestArrange();
-			}
-			// just skip it, it has already been filtered
-			continue;
-		}
-
-		// update this folders filter status (and children)
-		folder->filter( filter );
-
-		// track latest generation to pass any child items
-		if (folder->getFiltered() || folder->hasFilteredDescendants(filter_generation))
-		{
-			mMostFilteredDescendantGeneration = filter_generation;
-			requestArrange();
-			if (getRoot()->needsAutoSelect() && autoopen_folders)
-			{
-				folder->setOpenArrangeRecursively(TRUE);
-			}
-		}
-	}
-
-	for (items_t::iterator iter = mItems.begin();
-		 iter != mItems.end();
-		 ++iter)
-	{
-		LLFolderViewItem* item = (*iter);
-		if (filter.getFilterCount() < 0)
-		{
-			break;
-		}
-		if (item->getLastFilterGeneration() >= filter_generation)
-		{
-			if (item->getFiltered())
-			{
-				mMostFilteredDescendantGeneration = filter_generation;
-				requestArrange();
-			}
-			continue;
-		}
-
-		if (item->getLastFilterGeneration() >= must_pass_generation && 
-			!item->getFiltered(must_pass_generation))
-		{
-			// failed to pass an earlier filter that was a subset of the current one
-			// go ahead and flag this item as done
-			item->setFiltered(FALSE, filter_generation);
-			continue;
-		}
-
-		item->filter( filter );
-
-		if (item->getFiltered(filter.getMinRequiredGeneration()))
-		{
-			mMostFilteredDescendantGeneration = filter_generation;
-			requestArrange();
-		}
-	}
-
-	// if we didn't use all filter iterations
-	// that means we filtered all of our descendants
-	// instead of exhausting the filter count for this frame
-	if (filter.getFilterCount() > 0)
-	{
-		// flag this folder as having completed filter pass for all descendants
-		setCompletedFilterGeneration(filter_generation, FALSE/*dont recurse up to root*/);
-	}
-}
-
-void LLFolderViewFolder::filterFolder(LLInventoryFilter& filter)
-{
-	const BOOL previous_passed_filter = mPassedFolderFilter;
-	const BOOL passed_filter = filter.checkFolder(this);
-
-	// If our visibility will change as a result of this filter, then
-	// we need to be rearranged in our parent folder
-	if (mParentFolder)
-	{
-		if (getVisible() != passed_filter
-			|| previous_passed_filter != passed_filter )
-		{
-			mParentFolder->requestArrange();
-		}
-	}
-
-	setFilteredFolder(passed_filter, filter.getCurrentGeneration());
-	filter.decrementFilterCount();
-
-	if (getRoot()->getDebugFilters())
-	{
-		mStatusText = llformat("%d", mLastFilterGeneration);
-	}
-}
-
-void LLFolderViewFolder::setFiltered(BOOL filtered, S32 filter_generation)
-{
-	// if this folder is now filtered, but wasn't before
-	// (it just passed)
-	if (filtered && !mPassedFilter)
-	{
-		// reset current height, because last time we drew it
-		// it might have had more visible items than now
-		mCurHeight = 0.f;
-	}
-
-	LLFolderViewItem::setFiltered(filtered, filter_generation);
-}
-
-void LLFolderViewFolder::dirtyFilter()
-{
-	// we're a folder, so invalidate our completed generation
-	setCompletedFilterGeneration(-1, FALSE);
-	LLFolderViewItem::dirtyFilter();
-}
-
-BOOL LLFolderViewFolder::getFiltered() 
-{ 
-	return getFilteredFolder(getRoot()->getFilter()->getMinRequiredGeneration()) 
-		&& LLFolderViewItem::getFiltered(); 
-}
-
-BOOL LLFolderViewFolder::getFiltered(S32 filter_generation) 
-{
-	return getFilteredFolder(filter_generation) && LLFolderViewItem::getFiltered(filter_generation);
-}
-
-BOOL LLFolderViewFolder::hasFilteredDescendants(S32 filter_generation)
-{ 
-	return mMostFilteredDescendantGeneration >= filter_generation; 
-}
-
-
-BOOL LLFolderViewFolder::hasFilteredDescendants()
-{
-	return mMostFilteredDescendantGeneration >= getRoot()->getFilter()->getCurrentGeneration();
-}
-
-// Passes selection information on to children and record selection
-// information if necessary.
-BOOL LLFolderViewFolder::setSelection(LLFolderViewItem* selection, BOOL openitem,
-                                      BOOL take_keyboard_focus)
-{
-	BOOL rv = FALSE;
-	if (selection == this)
-	{
-		if (!isSelected())
-		{
-			selectItem();
-		}
-		rv = TRUE;
-	}
-	else
-	{
-		if (isSelected())
-		{
-			deselectItem();
-		}
-		rv = FALSE;
-	}
-	BOOL child_selected = FALSE;
-
-	for (folders_t::iterator iter = mFolders.begin();
-		iter != mFolders.end();)
-	{
-		folders_t::iterator fit = iter++;
-		if((*fit)->setSelection(selection, openitem, take_keyboard_focus))
-		{
-			rv = TRUE;
-			child_selected = TRUE;
-		}
-	}
-	for (items_t::iterator iter = mItems.begin();
-		iter != mItems.end();)
-	{
-		items_t::iterator iit = iter++;
-		if((*iit)->setSelection(selection, openitem, take_keyboard_focus))
-		{
-			rv = TRUE;
-			child_selected = TRUE;
-		}
-	}
-	if(openitem && child_selected)
-	{
-		setOpenArrangeRecursively(TRUE);
-	}
-	return rv;
-}
-
-// This method is used to change the selection of an item.
-// Recursively traverse all children; if 'selection' is 'this' then change
-// the select status if necessary.
-// Returns TRUE if the selection state of this folder, or of a child, was changed.
-BOOL LLFolderViewFolder::changeSelection(LLFolderViewItem* selection, BOOL selected)
-{
-	BOOL rv = FALSE;
-	if(selection == this)
-	{
-		if (isSelected() != selected)
-		{
-			rv = TRUE;
-			if (selected)
-			{
-				selectItem();
-			}
-			else
-			{
-				deselectItem();
-			}
-		}
-	}
-
-	for (folders_t::iterator iter = mFolders.begin();
-		iter != mFolders.end();)
-	{
-		folders_t::iterator fit = iter++;
-		if((*fit)->changeSelection(selection, selected))
-		{
-			rv = TRUE;
-		}
-	}
-	for (items_t::iterator iter = mItems.begin();
-		iter != mItems.end();)
-	{
-		items_t::iterator iit = iter++;
-		if((*iit)->changeSelection(selection, selected))
-		{
-			rv = TRUE;
-		}
-	}
-	return rv;
-}
-
-LLFolderViewFolder* LLFolderViewFolder::getCommonAncestor(LLFolderViewItem* item_a, LLFolderViewItem* item_b, bool& reverse)
-{
-	if (!item_a->getParentFolder() || !item_b->getParentFolder()) return NULL;
-
-	std::deque<LLFolderViewFolder*> item_a_ancestors;
-
-	LLFolderViewFolder* parent = item_a->getParentFolder();
-	while(parent)
-	{
-		item_a_ancestors.push_back(parent);
-		parent = parent->getParentFolder();
-	}
-
-	std::deque<LLFolderViewFolder*> item_b_ancestors;
-	
-	parent = item_b->getParentFolder();
-	while(parent)
-	{
-		item_b_ancestors.push_back(parent);
-		parent = parent->getParentFolder();
-	}
-
-	LLFolderViewFolder* common_ancestor = item_a->getRoot();
-
-	while(item_a_ancestors.size() > item_b_ancestors.size())
-	{
-		item_a = item_a_ancestors.front();
-		item_a_ancestors.pop_front();
-	}
-
-	while(item_b_ancestors.size() > item_a_ancestors.size())
-	{
-		item_b = item_b_ancestors.front();
-		item_b_ancestors.pop_front();
-	}
-
-	while(item_a_ancestors.size())
-	{
-		common_ancestor = item_a_ancestors.front();
-
-		if (item_a_ancestors.front() == item_b_ancestors.front())
-		{
-			// which came first, sibling a or sibling b?
-			for (folders_t::iterator it = common_ancestor->mFolders.begin(), end_it = common_ancestor->mFolders.end();
-				it != end_it;
-				++it)
-			{
-				LLFolderViewItem* item = *it;
-
-				if (item == item_a)
-				{
-					reverse = false;
-					return common_ancestor;
-				}
-				if (item == item_b)
-				{
-					reverse = true;
-					return common_ancestor;
-				}
-			}
-
-			for (items_t::iterator it = common_ancestor->mItems.begin(), end_it = common_ancestor->mItems.end();
-				it != end_it;
-				++it)
-			{
-				LLFolderViewItem* item = *it;
-
-				if (item == item_a)
-				{
-					reverse = false;
-					return common_ancestor;
-				}
-				if (item == item_b)
-				{
-					reverse = true;
-					return common_ancestor;
-				}
-			}
-			break;
-		}
-
-		item_a = item_a_ancestors.front();
-		item_a_ancestors.pop_front();
-		item_b = item_b_ancestors.front();
-		item_b_ancestors.pop_front();
-	}
-
-	return NULL;
-}
-
-void LLFolderViewFolder::gatherChildRangeExclusive(LLFolderViewItem* start, LLFolderViewItem* end, bool reverse, std::vector<LLFolderViewItem*>& items)
-{
-	bool selecting = start == NULL;
-	if (reverse)
-	{
-		for (items_t::reverse_iterator it = mItems.rbegin(), end_it = mItems.rend();
-			it != end_it;
-			++it)
-		{
-			if (*it == end)
-			{
-				return;
-			}
-			if (selecting)
-			{
-				items.push_back(*it);
-			}
-
-			if (*it == start)
-			{
-				selecting = true;
-			}
-		}
-		for (folders_t::reverse_iterator it = mFolders.rbegin(), end_it = mFolders.rend();
-			it != end_it;
-			++it)
-		{
-			if (*it == end)
-			{
-				return;
-			}
-
-			if (selecting)
-			{
-				items.push_back(*it);
-			}
-
-			if (*it == start)
-			{
-				selecting = true;
-			}
-		}
-	}
-	else
-	{
-		for (folders_t::iterator it = mFolders.begin(), end_it = mFolders.end();
-			it != end_it;
-			++it)
-		{
-			if (*it == end)
-			{
-				return;
-			}
-
-			if (selecting)
-			{
-				items.push_back(*it);
-			}
-
-			if (*it == start)
-			{
-				selecting = true;
-			}
-		}
-		for (items_t::iterator it = mItems.begin(), end_it = mItems.end();
-			it != end_it;
-			++it)
-		{
-			if (*it == end)
-			{
-				return;
-			}
-
-			if (selecting)
-			{
-				items.push_back(*it);
-			}
-
-			if (*it == start)
-			{
-				selecting = true;
-			}
-		}
-	}
-}
-
-void LLFolderViewFolder::extendSelectionTo(LLFolderViewItem* new_selection)
-{
-	if (getRoot()->getAllowMultiSelect() == FALSE) return;
-
-	LLFolderViewItem* cur_selected_item = getRoot()->getCurSelectedItem();
-	if (cur_selected_item == NULL)
-	{
-		cur_selected_item = new_selection;
-	}
-
-
-	bool reverse = false;
-	LLFolderViewFolder* common_ancestor = getCommonAncestor(cur_selected_item, new_selection, reverse);
-	if (!common_ancestor) return;
-
-	LLFolderViewItem* last_selected_item_from_cur = cur_selected_item;
-	LLFolderViewFolder* cur_folder = cur_selected_item->getParentFolder();
-
-	std::vector<LLFolderViewItem*> items_to_select_forward;
-
-	while(cur_folder != common_ancestor)
-	{
-		cur_folder->gatherChildRangeExclusive(last_selected_item_from_cur, NULL, reverse, items_to_select_forward);
-			
-		last_selected_item_from_cur = cur_folder;
-		cur_folder = cur_folder->getParentFolder();
-	}
-
-	std::vector<LLFolderViewItem*> items_to_select_reverse;
-
-	LLFolderViewItem* last_selected_item_from_new = new_selection;
-	cur_folder = new_selection->getParentFolder();
-	while(cur_folder != common_ancestor)
-	{
-		cur_folder->gatherChildRangeExclusive(last_selected_item_from_new, NULL, !reverse, items_to_select_reverse);
-
-		last_selected_item_from_new = cur_folder;
-		cur_folder = cur_folder->getParentFolder();
-	}
-
-	common_ancestor->gatherChildRangeExclusive(last_selected_item_from_cur, last_selected_item_from_new, reverse, items_to_select_forward);
-
-	for (std::vector<LLFolderViewItem*>::reverse_iterator it = items_to_select_reverse.rbegin(), end_it = items_to_select_reverse.rend();
-		it != end_it;
-		++it)
-	{
-		items_to_select_forward.push_back(*it);
-	}
-
-	LLFolderView* root = getRoot();
-
-	for (std::vector<LLFolderViewItem*>::iterator it = items_to_select_forward.begin(), end_it = items_to_select_forward.end();
-		it != end_it;
-		++it)
-	{
-		LLFolderViewItem* item = *it;
-		if (item->isSelected())
-		{
-			root->removeFromSelectionList(item);
-		}
-		else
-		{
-			item->selectItem();
-		}
-		root->addToSelectionList(item);
-	}
-
-	if (new_selection->isSelected())
-	{
-		root->removeFromSelectionList(new_selection);
-	}
-	else
-	{
-		new_selection->selectItem();
-	}
-	root->addToSelectionList(new_selection);
-}
-
-
-void LLFolderViewFolder::destroyView()
-{
-	for (items_t::iterator iter = mItems.begin();
-		iter != mItems.end();)
-	{
-		items_t::iterator iit = iter++;
-		LLFolderViewItem* item = (*iit);
-		getRoot()->removeItemID(item->getListener()->getUUID());
-	}
-
-	std::for_each(mItems.begin(), mItems.end(), DeletePointer());
-	mItems.clear();
-
-	while (!mFolders.empty())
-	{
-		LLFolderViewFolder *folderp = mFolders.back();
-		folderp->destroyView(); // removes entry from mFolders
-	}
-
-	//deleteAllChildren();
-
-	if (mParentFolder)
-	{
-		mParentFolder->removeView(this);
-	}
-}
-
-// remove the specified item (and any children) if possible. Return
-// TRUE if the item was deleted.
-BOOL LLFolderViewFolder::removeItem(LLFolderViewItem* item)
-{
-	if(item->remove())
-	{
-		return TRUE;
-	}
-	return FALSE;
-}
-
-// simply remove the view (and any children) Don't bother telling the
-// listeners.
-void LLFolderViewFolder::removeView(LLFolderViewItem* item)
-{
-	if (!item || item->getParentFolder() != this)
-	{
-		return;
-	}
-	// deselect without traversing hierarchy
-	if (item->isSelected())
-	{
-		item->deselectItem();
-	}
-	getRoot()->removeFromSelectionList(item);
-	extractItem(item);
-	delete item;
-}
-
-// extractItem() removes the specified item from the folder, but
-// doesn't delete it.
-void LLFolderViewFolder::extractItem( LLFolderViewItem* item )
-{
-	items_t::iterator it = std::find(mItems.begin(), mItems.end(), item);
-	if(it == mItems.end())
-	{
-		// This is an evil downcast. However, it's only doing
-		// pointer comparison to find if (which it should be ) the
-		// item is in the container, so it's pretty safe.
-		LLFolderViewFolder* f = static_cast<LLFolderViewFolder*>(item);
-		folders_t::iterator ft;
-		ft = std::find(mFolders.begin(), mFolders.end(), f);
-		if (ft != mFolders.end())
-		{
-			mFolders.erase(ft);
-		}
-	}
-	else
-	{
-		mItems.erase(it);
-	}
-	//item has been removed, need to update filter
-	dirtyFilter();
-	//because an item is going away regardless of filter status, force rearrange
-	requestArrange();
-	getRoot()->removeItemID(item->getListener()->getUUID());
-	removeChild(item);
-}
-
-bool LLFolderViewFolder::isTrash() const
-{
-	if (mAmTrash == LLFolderViewFolder::UNKNOWN)
-	{
-		mAmTrash = mListener->getUUID() == gInventory.findCategoryUUIDForType(LLFolderType::FT_TRASH, false) ? LLFolderViewFolder::TRASH : LLFolderViewFolder::NOT_TRASH;
-	}
-	return mAmTrash == LLFolderViewFolder::TRASH;
-}
-
-void LLFolderViewFolder::sortBy(U32 order)
-{
-	if (!mSortFunction.updateSort(order))
-	{
-		// No changes.
-		return;
-	}
-
-	// Propagate this change to sub folders
-	for (folders_t::iterator iter = mFolders.begin();
-		iter != mFolders.end();)
-	{
-		folders_t::iterator fit = iter++;
-		(*fit)->sortBy(order);
-	}
-
-	// Don't sort the topmost folders (My Inventory and Library)
-	if (mListener->getUUID().notNull())
-	{
-		mFolders.sort(mSortFunction);
-		mItems.sort(mSortFunction);
-	}
-
-	if (order & LLInventoryFilter::SO_DATE)
-	{
-		time_t latest = 0;
-
-		if (!mItems.empty())
-		{
-			LLFolderViewItem* item = *(mItems.begin());
-			latest = item->getCreationDate();
-		}
-
-		if (!mFolders.empty())
-		{
-			LLFolderViewFolder* folder = *(mFolders.begin());
-			if (folder->getCreationDate() > latest)
-			{
-				latest = folder->getCreationDate();
-			}
-		}
-		mSubtreeCreationDate = latest;
-	}
-}
-
-void LLFolderViewFolder::setItemSortOrder(U32 ordering)
-{
-	if (mSortFunction.updateSort(ordering))
-	{
-		for (folders_t::iterator iter = mFolders.begin();
-			iter != mFolders.end();)
-		{
-			folders_t::iterator fit = iter++;
-			(*fit)->setItemSortOrder(ordering);
-		}
-
-		mFolders.sort(mSortFunction);
-		mItems.sort(mSortFunction);
-	}
-}
-
-EInventorySortGroup LLFolderViewFolder::getSortGroup() const
-{
-	if (isTrash())
-	{
-		return SG_TRASH_FOLDER;
-	}
-
-	if( mListener )
-	{
-		if(LLFolderType::lookupIsProtectedType(mListener->getPreferredType()))
-		{
-			return SG_SYSTEM_FOLDER;
-		}
-	}
-
-	return SG_NORMAL_FOLDER;
-}
-
-BOOL LLFolderViewFolder::isMovable()
-{
-	if( mListener )
-	{
-		if( !(mListener->isItemMovable()) )
-		{
-			return FALSE;
-		}
-
-		for (items_t::iterator iter = mItems.begin();
-			iter != mItems.end();)
-		{
-			items_t::iterator iit = iter++;
-			if(!(*iit)->isMovable())
-			{
-				return FALSE;
-			}
-		}
-
-		for (folders_t::iterator iter = mFolders.begin();
-			iter != mFolders.end();)
-		{
-			folders_t::iterator fit = iter++;
-			if(!(*fit)->isMovable())
-			{
-				return FALSE;
-			}
-		}
-	}
-	return TRUE;
-}
-
-
-BOOL LLFolderViewFolder::isRemovable()
-{
-	if( mListener )
-	{
-		if( !(mListener->isItemRemovable()) )
-		{
-			return FALSE;
-		}
-
-		for (items_t::iterator iter = mItems.begin();
-			iter != mItems.end();)
-		{
-			items_t::iterator iit = iter++;
-			if(!(*iit)->isRemovable())
-			{
-				return FALSE;
-			}
-		}
-
-		for (folders_t::iterator iter = mFolders.begin();
-			iter != mFolders.end();)
-		{
-			folders_t::iterator fit = iter++;
-			if(!(*fit)->isRemovable())
-			{
-				return FALSE;
-			}
-		}
-	}
-	return TRUE;
-}
-
-// this is an internal method used for adding items to folders. 
-BOOL LLFolderViewFolder::addItem(LLFolderViewItem* item)
-{
-	mItems.push_back(item);
-	
-	item->setRect(LLRect(0, 0, getRect().getWidth(), 0));
-	item->setVisible(FALSE);
-	
-	addChild(item);
-	
-	item->dirtyFilter();
-
-	// Update the folder creation date if the child is newer than our current date
-	setCreationDate(llmax<time_t>(mCreationDate, item->getCreationDate()));
-
-	// Handle sorting
-	requestArrange();
-	requestSort();
-
-	// Traverse parent folders and update creation date and resort, if necessary
-	LLFolderViewFolder* parentp = getParentFolder();
-	while (parentp)
-	{
-		// Update the folder creation date if the child is newer than our current date
-		parentp->setCreationDate(llmax<time_t>(parentp->mCreationDate, item->getCreationDate()));
-
-		if (parentp->mSortFunction.isByDate())
-		{
-			// parent folder doesn't have a time stamp yet, so get it from us
-			parentp->requestSort();
-		}
-
-		parentp = parentp->getParentFolder();
-	}
-
-	return TRUE;
-}
-
-// this is an internal method used for adding items to folders. 
-BOOL LLFolderViewFolder::addFolder(LLFolderViewFolder* folder)
-{
-	mFolders.push_back(folder);
-	folder->setOrigin(0, 0);
-	folder->reshape(getRect().getWidth(), 0);
-	folder->setVisible(FALSE);
-	addChild( folder );
-	folder->dirtyFilter();
-	// rearrange all descendants too, as our indentation level might have changed
-	folder->requestArrange(TRUE);
-	requestSort();
-	LLFolderViewFolder* parentp = getParentFolder();
-	while (parentp && !parentp->mSortFunction.isByDate())
-	{
-		// parent folder doesn't have a time stamp yet, so get it from us
-		parentp->requestSort();
-		parentp = parentp->getParentFolder();
-	}
-	return TRUE;
-}
-
-void LLFolderViewFolder::requestArrange(BOOL include_descendants)	
-{ 
-	mLastArrangeGeneration = -1; 
-	// flag all items up to root
-	if (mParentFolder)
-	{
-		mParentFolder->requestArrange();
-	}
-
-	if (include_descendants)
-	{
-		for (folders_t::iterator iter = mFolders.begin();
-			iter != mFolders.end();
-			++iter)
-		{
-			(*iter)->requestArrange(TRUE);
-		}
-	}
-}
-
-void LLFolderViewFolder::toggleOpen()
-{
-	setOpen(!mIsOpen);
-}
-
-// Force a folder open or closed
-void LLFolderViewFolder::setOpen(BOOL openitem)
-{
-	setOpenArrangeRecursively(openitem);
-}
-
-void LLFolderViewFolder::setOpenArrangeRecursively(BOOL openitem, ERecurseType recurse)
-{
-	BOOL was_open = mIsOpen;
-	mIsOpen = openitem;
-	if (mListener)
-	{
-		if(!was_open && openitem)
-		{
-			mListener->openItem();
-		}
-		else if(was_open && !openitem)
-		{
-			mListener->closeItem();
-		}
-	}
-
-	if (recurse == RECURSE_DOWN || recurse == RECURSE_UP_DOWN)
-	{
-		for (folders_t::iterator iter = mFolders.begin();
-			iter != mFolders.end();)
-		{
-			folders_t::iterator fit = iter++;
-			(*fit)->setOpenArrangeRecursively(openitem, RECURSE_DOWN);		/* Flawfinder: ignore */
-		}
-	}
-	if (mParentFolder
-		&&	(recurse == RECURSE_UP
-			|| recurse == RECURSE_UP_DOWN))
-	{
-		mParentFolder->setOpenArrangeRecursively(openitem, RECURSE_UP);
-	}
-
-	if (was_open != mIsOpen)
-	{
-		requestArrange();
-	}
-}
-
-BOOL LLFolderViewFolder::handleDragAndDropFromChild(MASK mask,
-													BOOL drop,
-													EDragAndDropType c_type,
-													void* cargo_data,
-													EAcceptance* accept,
-													std::string& tooltip_msg)
-{
-	BOOL accepted = mListener && mListener->dragOrDrop(mask,drop,c_type,cargo_data, tooltip_msg);
-	if (accepted) 
-	{
-		mDragAndDropTarget = TRUE;
-		*accept = ACCEPT_YES_MULTI;
-	}
-	else 
-	{
-		*accept = ACCEPT_NO;
-	}
-
-	// drag and drop to child item, so clear pending auto-opens
-	getRoot()->autoOpenTest(NULL);
-
-	return TRUE;
-}
-
-void LLFolderViewFolder::openItem( void )
-{
-	toggleOpen();
-}
-
-void LLFolderViewFolder::applyFunctorToChildren(LLFolderViewFunctor& functor)
-{
-	for (folders_t::iterator iter = mFolders.begin();
-		iter != mFolders.end();)
-	{
-		folders_t::iterator fit = iter++;
-		functor.doItem((*fit));
-	}
-	for (items_t::iterator iter = mItems.begin();
-		iter != mItems.end();)
-	{
-		items_t::iterator iit = iter++;
-		functor.doItem((*iit));
-	}
-}
-
-void LLFolderViewFolder::applyFunctorRecursively(LLFolderViewFunctor& functor)
-{
-	functor.doFolder(this);
-
-	for (folders_t::iterator iter = mFolders.begin();
-		iter != mFolders.end();)
-	{
-		folders_t::iterator fit = iter++;
-		(*fit)->applyFunctorRecursively(functor);
-	}
-	for (items_t::iterator iter = mItems.begin();
-		iter != mItems.end();)
-	{
-		items_t::iterator iit = iter++;
-		functor.doItem((*iit));
-	}
-}
-
-void LLFolderViewFolder::applyListenerFunctorRecursively(LLFolderViewListenerFunctor& functor)
-{
-	functor(mListener);
-	for (folders_t::iterator iter = mFolders.begin();
-		iter != mFolders.end();)
-	{
-		folders_t::iterator fit = iter++;
-		(*fit)->applyListenerFunctorRecursively(functor);
-	}
-	for (items_t::iterator iter = mItems.begin();
-		iter != mItems.end();)
-	{
-		items_t::iterator iit = iter++;
-		(*iit)->applyListenerFunctorRecursively(functor);
-	}
-}
-
-// LLView functionality
-BOOL LLFolderViewFolder::handleDragAndDrop(S32 x, S32 y, MASK mask,
-										   BOOL drop,
-										   EDragAndDropType cargo_type,
-										   void* cargo_data,
-										   EAcceptance* accept,
-										   std::string& tooltip_msg)
-{
-	BOOL handled = FALSE;
-
-	if (mIsOpen)
-	{
-		handled = (childrenHandleDragAndDrop(x, y, mask, drop, cargo_type, cargo_data, accept, tooltip_msg) != NULL);
-	}
-
-	if (!handled)
-	{
-		handleDragAndDropToThisFolder(mask, drop, cargo_type, cargo_data, accept, tooltip_msg);
-
-		lldebugst(LLERR_USER_INPUT) << "dragAndDrop handled by LLFolderViewFolder" << llendl;
-	}
-
-	return TRUE;
-}
-
-BOOL LLFolderViewFolder::handleDragAndDropToThisFolder(MASK mask,
-													   BOOL drop,
-													   EDragAndDropType cargo_type,
-													   void* cargo_data,
-													   EAcceptance* accept,
-													   std::string& tooltip_msg)
-{
-	BOOL accepted = mListener && mListener->dragOrDrop(mask, drop, cargo_type, cargo_data, tooltip_msg);
-	
-	if (accepted) 
-	{
-		mDragAndDropTarget = TRUE;
-		*accept = ACCEPT_YES_MULTI;
-	}
-	else 
-	{
-		*accept = ACCEPT_NO;
-	}
-	
-	if (!drop && accepted)
-	{
-		getRoot()->autoOpenTest(this);
-	}
-	
-	return TRUE;
-}
-
-
-BOOL LLFolderViewFolder::handleRightMouseDown( S32 x, S32 y, MASK mask )
-{
-	BOOL handled = FALSE;
-	// fetch contents of this folder, as context menu can depend on contents
-	// still, user would have to open context menu again to see the changes
-	gInventory.fetchDescendentsOf(mListener->getUUID());
-
-	if( mIsOpen )
-	{
-		handled = childrenHandleRightMouseDown( x, y, mask ) != NULL;
-	}
-	if (!handled)
-	{
-		handled = LLFolderViewItem::handleRightMouseDown( x, y, mask );
-	}
-	return handled;
-}
-
-
-BOOL LLFolderViewFolder::handleHover(S32 x, S32 y, MASK mask)
-{
-	mIsMouseOverTitle = (y > (getRect().getHeight() - mItemHeight));
-
-	BOOL handled = LLView::handleHover(x, y, mask);
-
-	if (!handled)
-	{
-		// this doesn't do child processing
-		handled = LLFolderViewItem::handleHover(x, y, mask);
-	}
-
-	return handled;
-}
-
-BOOL LLFolderViewFolder::handleMouseDown( S32 x, S32 y, MASK mask )
-{
-	BOOL handled = FALSE;
-	if( mIsOpen )
-	{
-		handled = childrenHandleMouseDown(x,y,mask) != NULL;
-	}
-	if( !handled )
-	{
-		if(mIndentation < x && x < mIndentation + ARROW_SIZE + TEXT_PAD)
-		{
-			toggleOpen();
-			handled = TRUE;
-		}
-		else
-		{
-			// do normal selection logic
-			handled = LLFolderViewItem::handleMouseDown(x, y, mask);
-		}
-	}
-
-	return handled;
-}
-
-BOOL LLFolderViewFolder::handleDoubleClick( S32 x, S32 y, MASK mask )
-{
-	/* Disable outfit double click to wear
-	const LLUUID &cat_uuid = getListener()->getUUID();
-	const LLViewerInventoryCategory *cat = gInventory.getCategory(cat_uuid);
-	if (cat && cat->getPreferredType() == LLFolderType::FT_OUTFIT)
-	{
-		getListener()->performAction(NULL, NULL,"replaceoutfit");
-		return TRUE;
-	}
-	*/
-
-	BOOL handled = FALSE;
-	if( mIsOpen )
-	{
-		handled = childrenHandleDoubleClick( x, y, mask ) != NULL;
-	}
-	if( !handled )
-	{
-		if(mIndentation < x && x < mIndentation + ARROW_SIZE + TEXT_PAD)
-		{
-			// don't select when user double-clicks plus sign
-			// so as not to contradict single-click behavior
-			toggleOpen();
-		}
-		else
-		{
-			setSelectionFromRoot(this, FALSE);
-			toggleOpen();
-		}
-		handled = TRUE;
-	}
-	return handled;
-}
-
-void LLFolderViewFolder::draw()
-{
-	if (mAutoOpenCountdown != 0.f)
-	{
-		mControlLabelRotation = mAutoOpenCountdown * -90.f;
-	}
-	else if (mIsOpen)
-	{
-		mControlLabelRotation = lerp(mControlLabelRotation, -90.f, LLCriticalDamp::getInterpolant(0.04f));
-	}
-	else
-	{
-		mControlLabelRotation = lerp(mControlLabelRotation, 0.f, LLCriticalDamp::getInterpolant(0.025f));
-	}
-
-	bool possibly_has_children = false;
-	bool up_to_date = mListener && mListener->isUpToDate();
-	if(!up_to_date
-		&& mListener->hasChildren()) // we know we have children but haven't fetched them (doesn't obey filter)
-	{
-		possibly_has_children = true;
-	}
-
-
-	BOOL loading = (mIsOpen
-					&& possibly_has_children
-					&& !up_to_date );
-
-	if ( loading && !mIsLoading )
-	{
-		// Measure how long we've been in the loading state
-		mTimeSinceRequestStart.reset();
-	}
-
-	mIsLoading = loading;
-
-	LLFolderViewItem::draw();
-
-	// draw children if root folder, or any other folder that is open or animating to closed state
-	if( getRoot() == this || (mIsOpen || mCurHeight != mTargetHeight ))
-	{
-		LLView::draw();
-	}
-
-	mExpanderHighlighted = FALSE;
-}
-
-time_t LLFolderViewFolder::getCreationDate() const
-{
-	return llmax<time_t>(mCreationDate, mSubtreeCreationDate);
-}
-
-
-BOOL	LLFolderViewFolder::potentiallyVisible()
-{
-	// folder should be visible by it's own filter status
-	return LLFolderViewItem::potentiallyVisible() 	
-		// or one or more of its descendants have passed the minimum filter requirement
-		|| hasFilteredDescendants(getRoot()->getFilter()->getMinRequiredGeneration())
-		// or not all of its descendants have been checked against minimum filter requirement
-		|| getCompletedFilterGeneration() < getRoot()->getFilter()->getMinRequiredGeneration(); 
-}
-
-// this does prefix traversal, as folders are listed above their contents
-LLFolderViewItem* LLFolderViewFolder::getNextFromChild( LLFolderViewItem* item, BOOL include_children )
-{
-	BOOL found_item = FALSE;
-
-	LLFolderViewItem* result = NULL;
-	// when not starting from a given item, start at beginning
-	if(item == NULL)
-	{
-		found_item = TRUE;
-	}
-
-	// find current item among children
-	folders_t::iterator fit = mFolders.begin();
-	folders_t::iterator fend = mFolders.end();
-
-	items_t::iterator iit = mItems.begin();
-	items_t::iterator iend = mItems.end();
-
-	// if not trivially starting at the beginning, we have to find the current item
-	if (!found_item)
-	{
-		// first, look among folders, since they are always above items
-		for(; fit != fend; ++fit)
-		{
-			if(item == (*fit))
-			{
-				found_item = TRUE;
-				// if we are on downwards traversal
-				if (include_children && (*fit)->isOpen())
-				{
-					// look for first descendant
-					return (*fit)->getNextFromChild(NULL, TRUE);
-				}
-				// otherwise advance to next folder
-				++fit;
-				include_children = TRUE;
-				break;
-			}
-		}
-
-		// didn't find in folders?  Check items...
-		if (!found_item)
-		{
-			for(; iit != iend; ++iit)
-			{
-				if(item == (*iit))
-				{
-					found_item = TRUE;
-					// point to next item
-					++iit;
-					break;
-				}
-			}
-		}
-	}
-
-	if (!found_item)
-	{
-		// you should never call this method with an item that isn't a child
-		// so we should always find something
-		llassert(FALSE);
-		return NULL;
-	}
-
-	// at this point, either iit or fit point to a candidate "next" item
-	// if both are out of range, we need to punt up to our parent
-
-	// now, starting from found folder, continue through folders
-	// searching for next visible folder
-	while(fit != fend && !(*fit)->getVisible())
-	{
-		// turn on downwards traversal for next folder
-		++fit;
-	} 
-
-	if (fit != fend)
-	{
-		result = (*fit);
-	}
-	else
-	{
-		// otherwise, scan for next visible item
-		while(iit != iend && !(*iit)->getVisible())
-		{
-			++iit;
-		} 
-
-		// check to see if we have a valid item
-		if (iit != iend)
-		{
-			result = (*iit);
-		}
-	}
-
-	if( !result && mParentFolder )
-	{
-		// If there are no siblings or children to go to, recurse up one level in the tree
-		// and skip children for this folder, as we've already discounted them
-		result = mParentFolder->getNextFromChild(this, FALSE);
-	}
-
-	return result;
-}
-
-// this does postfix traversal, as folders are listed above their contents
-LLFolderViewItem* LLFolderViewFolder::getPreviousFromChild( LLFolderViewItem* item, BOOL include_children )
-{
-	BOOL found_item = FALSE;
-
-	LLFolderViewItem* result = NULL;
-	// when not starting from a given item, start at end
-	if(item == NULL)
-	{
-		found_item = TRUE;
-	}
-
-	// find current item among children
-	folders_t::reverse_iterator fit = mFolders.rbegin();
-	folders_t::reverse_iterator fend = mFolders.rend();
-
-	items_t::reverse_iterator iit = mItems.rbegin();
-	items_t::reverse_iterator iend = mItems.rend();
-
-	// if not trivially starting at the end, we have to find the current item
-	if (!found_item)
-	{
-		// first, look among items, since they are always below the folders
-		for(; iit != iend; ++iit)
-		{
-			if(item == (*iit))
-			{
-				found_item = TRUE;
-				// point to next item
-				++iit;
-				break;
-			}
-		}
-
-		// didn't find in items?  Check folders...
-		if (!found_item)
-		{
-			for(; fit != fend; ++fit)
-			{
-				if(item == (*fit))
-				{
-					found_item = TRUE;
-					// point to next folder
-					++fit;
-					break;
-				}
-			}
-		}
-	}
-
-	if (!found_item)
-	{
-		// you should never call this method with an item that isn't a child
-		// so we should always find something
-		llassert(FALSE);
-		return NULL;
-	}
-
-	// at this point, either iit or fit point to a candidate "next" item
-	// if both are out of range, we need to punt up to our parent
-
-	// now, starting from found item, continue through items
-	// searching for next visible item
-	while(iit != iend && !(*iit)->getVisible())
-	{
-		++iit;
-	} 
-
-	if (iit != iend)
-	{
-		// we found an appropriate item
-		result = (*iit);
-	}
-	else
-	{
-		// otherwise, scan for next visible folder
-		while(fit != fend && !(*fit)->getVisible())
-		{
-			++fit;
-		} 
-
-		// check to see if we have a valid folder
-		if (fit != fend)
-		{
-			// try selecting child element of this folder
-			if ((*fit)->isOpen())
-			{
-				result = (*fit)->getPreviousFromChild(NULL);
-			}
-			else
-			{
-				result = (*fit);
-			}
-		}
-	}
-
-	if( !result )
-	{
-		// If there are no siblings or children to go to, recurse up one level in the tree
-		// which gets back to this folder, which will only be visited if it is a valid, visible item
-		result = this;
-	}
-
-	return result;
-}
-
-
-bool LLInventorySort::updateSort(U32 order)
-{
-	if (order != mSortOrder)
-	{
-		mSortOrder = order;
-		mByDate = (order & LLInventoryFilter::SO_DATE);
-		mSystemToTop = (order & LLInventoryFilter::SO_SYSTEM_FOLDERS_TO_TOP);
-		mFoldersByName = (order & LLInventoryFilter::SO_FOLDERS_BY_NAME);
-		return true;
-	}
-	return false;
-}
-
-bool LLInventorySort::operator()(const LLFolderViewItem* const& a, const LLFolderViewItem* const& b)
-{
-	// ignore sort order for landmarks in the Favorites folder.
-	// they should be always sorted as in Favorites bar. See EXT-719
-	if (a->getSortGroup() == SG_ITEM
-		&& b->getSortGroup() == SG_ITEM
-		&& a->getListener()->getInventoryType() == LLInventoryType::IT_LANDMARK
-		&& b->getListener()->getInventoryType() == LLInventoryType::IT_LANDMARK)
-	{
-
-		static const LLUUID& favorites_folder_id = gInventory.findCategoryUUIDForType(LLFolderType::FT_FAVORITE);
-
-		LLUUID a_uuid = a->getParentFolder()->getListener()->getUUID();
-		LLUUID b_uuid = b->getParentFolder()->getListener()->getUUID();
-
-		if ((a_uuid == favorites_folder_id && b_uuid == favorites_folder_id))
-		{
-			// *TODO: mantipov: probably it is better to add an appropriate method to LLFolderViewItem
-			// or to LLInvFVBridge
-			LLViewerInventoryItem* aitem = (static_cast<const LLItemBridge*>(a->getListener()))->getItem();
-			LLViewerInventoryItem* bitem = (static_cast<const LLItemBridge*>(b->getListener()))->getItem();
-			if (!aitem || !bitem)
-				return false;
-			S32 a_sort = aitem->getSortField();
-			S32 b_sort = bitem->getSortField();
-			return a_sort < b_sort;
-		}
-	}
-
-	// We sort by name if we aren't sorting by date
-	// OR if these are folders and we are sorting folders by name.
-	bool by_name = (!mByDate 
-		|| (mFoldersByName 
-		&& (a->getSortGroup() != SG_ITEM)));
-
-	if (a->getSortGroup() != b->getSortGroup())
-	{
-		if (mSystemToTop)
-		{
-			// Group order is System Folders, Trash, Normal Folders, Items
-			return (a->getSortGroup() < b->getSortGroup());
-		}
-		else if (mByDate)
-		{
-			// Trash needs to go to the bottom if we are sorting by date
-			if ( (a->getSortGroup() == SG_TRASH_FOLDER)
-				|| (b->getSortGroup() == SG_TRASH_FOLDER))
-			{
-				return (b->getSortGroup() == SG_TRASH_FOLDER);
-			}
-		}
-	}
-
-	if (by_name)
-	{
-		S32 compare = LLStringUtil::compareDict(a->getLabel(), b->getLabel());
-		if (0 == compare)
-		{
-			return (a->getCreationDate() > b->getCreationDate());
-		}
-		else
-		{
-			return (compare < 0);
-		}
-	}
-	else
-	{
-		// BUG: This is very very slow.  The getCreationDate() is log n in number
-		// of inventory items.
-		time_t first_create = a->getCreationDate();
-		time_t second_create = b->getCreationDate();
-		if (first_create == second_create)
-		{
-			return (LLStringUtil::compareDict(a->getLabel(), b->getLabel()) < 0);
-		}
-		else
-		{
-			return (first_create > second_create);
-		}
-	}
-}
diff --git a/indra/newview/llfolderviewmodelinventory.cpp b/indra/newview/llfolderviewmodelinventory.cpp
new file mode 100644
index 0000000000..586965e5a0
--- /dev/null
+++ b/indra/newview/llfolderviewmodelinventory.cpp
@@ -0,0 +1,314 @@
+/* 
+ * @file llfolderviewmodelinventory.cpp
+ * @brief Implementation of the inventory-specific view model
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#include "llviewerprecompiledheaders.h"
+#include "llfolderviewmodelinventory.h"
+#include "llinventorymodelbackgroundfetch.h"
+#include "llinventorypanel.h"
+#include "lltooldraganddrop.h"
+#include "llfavoritesbar.h"
+
+//
+// class LLFolderViewModelInventory
+//
+static LLFastTimer::DeclareTimer FTM_INVENTORY_SORT("Sort");
+
+bool LLFolderViewModelInventory::startDrag(std::vector<LLFolderViewModelItem*>& items)
+{
+	std::vector<EDragAndDropType> types;
+	uuid_vec_t cargo_ids;
+	std::vector<LLFolderViewModelItem*>::iterator item_it;
+	bool can_drag = true;
+	if (!items.empty())
+	{
+		for (item_it = items.begin(); item_it != items.end(); ++item_it)
+		{
+			EDragAndDropType type = DAD_NONE;
+			LLUUID id = LLUUID::null;
+			can_drag = can_drag && static_cast<LLFolderViewModelItemInventory*>(*item_it)->startDrag(&type, &id);
+
+			types.push_back(type);
+			cargo_ids.push_back(id);
+		}
+
+		LLToolDragAndDrop::getInstance()->beginMultiDrag(types, cargo_ids, 
+			static_cast<LLFolderViewModelItemInventory*>(items.front())->getDragSource(), mTaskID); 
+	}
+	return can_drag;
+}
+
+
+void LLFolderViewModelInventory::sort( LLFolderViewFolder* folder )
+{
+	LLFastTimer _(FTM_INVENTORY_SORT);
+
+	if (!needsSort(folder->getViewModelItem())) return;
+
+	LLFolderViewModelItemInventory* modelp =   static_cast<LLFolderViewModelItemInventory*>(folder->getViewModelItem());
+	if (modelp->getUUID().isNull()) return;
+
+	for (std::list<LLFolderViewFolder*>::iterator it =   folder->getFoldersBegin(), end_it = folder->getFoldersEnd();
+		it != end_it;
+		++it)
+	{
+		LLFolderViewFolder* child_folderp = *it;
+		sort(child_folderp);
+
+		if (child_folderp->getFoldersCount() > 0)
+		{
+			time_t most_recent_folder_time =
+				static_cast<LLFolderViewModelItemInventory*>((*child_folderp->getFoldersBegin())->getViewModelItem())->getCreationDate();
+			LLFolderViewModelItemInventory* modelp =   static_cast<LLFolderViewModelItemInventory*>(child_folderp->getViewModelItem());
+			if (most_recent_folder_time > modelp->getCreationDate())
+			{
+				modelp->setCreationDate(most_recent_folder_time);
+			}
+		}
+		if (child_folderp->getItemsCount() > 0)			
+		{
+			time_t most_recent_item_time =
+				static_cast<LLFolderViewModelItemInventory*>((*child_folderp->getItemsBegin())->getViewModelItem())->getCreationDate();
+
+			LLFolderViewModelItemInventory* modelp =   static_cast<LLFolderViewModelItemInventory*>(child_folderp->getViewModelItem());
+			if (most_recent_item_time > modelp->getCreationDate())
+			{
+				modelp->setCreationDate(most_recent_item_time);
+			}
+		}
+	}
+	base_t::sort(folder);
+}
+
+bool LLFolderViewModelInventory::contentsReady()
+{
+	return !LLInventoryModelBackgroundFetch::instance().folderFetchActive();
+}
+
+void LLFolderViewModelItemInventory::requestSort()
+{
+	LLFolderViewModelItemCommon::requestSort();
+	LLFolderViewFolder* folderp = dynamic_cast<LLFolderViewFolder*>(mFolderViewItem);
+	if (folderp)
+	{
+		folderp->requestArrange();
+	}
+	if (static_cast<LLFolderViewModelInventory&>(mRootViewModel).getSorter().isByDate())
+	{
+		// sort by date potentially affects parent folders which use a date
+		// derived from newest item in them
+		if (mParent)
+		{
+			mParent->requestSort();
+		}
+	}
+}
+
+void LLFolderViewModelItemInventory::setPassedFilter(bool passed, S32 filter_generation, std::string::size_type string_offset, std::string::size_type string_size)
+{
+	LLFolderViewModelItemCommon::setPassedFilter(passed, filter_generation, string_offset, string_size);
+
+	bool passed_filter_before = mPrevPassedAllFilters;
+	mPrevPassedAllFilters = passedFilter(filter_generation);
+
+	if (passed_filter_before != mPrevPassedAllFilters)
+	{
+		LLFolderViewFolder* parent_folder = mFolderViewItem->getParentFolder();
+		if (parent_folder)
+		{
+			parent_folder->requestArrange();
+		}
+	}
+}
+
+bool LLFolderViewModelItemInventory::filterChildItem( LLFolderViewModelItem* item, LLFolderViewFilter& filter )
+{
+	S32 filter_generation = filter.getCurrentGeneration();
+
+	bool continue_filtering = true;
+	if (item->getLastFilterGeneration() < filter_generation)
+	{
+		// recursive application of the filter for child items
+		continue_filtering = item->filter( filter );
+	}
+
+	// track latest generation to pass any child items, for each folder up to root
+	if (item->passedFilter())
+	{
+		LLFolderViewModelItemInventory* view_model = this;
+		
+		while(view_model && view_model->mMostFilteredDescendantGeneration < filter_generation)
+		{
+			view_model->mMostFilteredDescendantGeneration = filter_generation;
+			view_model = static_cast<LLFolderViewModelItemInventory*>(view_model->mParent);
+		}
+	}
+
+	return continue_filtering;
+}
+
+bool LLFolderViewModelItemInventory::filter( LLFolderViewFilter& filter)
+{
+	const S32 filter_generation = filter.getCurrentGeneration();
+	const S32 must_pass_generation = filter.getFirstRequiredGeneration();
+
+	if (getLastFilterGeneration() >= must_pass_generation 
+		&& getLastFolderFilterGeneration() >= must_pass_generation
+		&& !passedFilter(must_pass_generation))
+	{
+		// failed to pass an earlier filter that was a subset of the current one
+		// go ahead and flag this item as done
+		setPassedFilter(false, filter_generation);
+		setPassedFolderFilter(false, filter_generation);
+		return true;
+	}
+
+	const bool passed_filter_folder = (getInventoryType() == LLInventoryType::IT_CATEGORY) 
+		? filter.checkFolder(this)
+		: true;
+	setPassedFolderFilter(passed_filter_folder, filter_generation);
+
+	if(!mChildren.empty()
+		&& (getLastFilterGeneration() < must_pass_generation // haven't checked descendants against minimum required generation to pass
+			|| descendantsPassedFilter(must_pass_generation))) // or at least one descendant has passed the minimum requirement
+	{
+		// now query children
+		for (child_list_t::iterator iter = mChildren.begin(), end_iter = mChildren.end();
+			iter != end_iter && filter.getFilterCount() > 0;
+			++iter)
+		{
+			if (!filterChildItem((*iter), filter))
+			{
+				break;
+			}
+		}
+	}
+
+	// if we didn't use all filter iterations
+	// that means we filtered all of our descendants
+	// so filter ourselves now
+	if (filter.getFilterCount() > 0)
+	{
+		filter.decrementFilterCount();
+
+		const bool passed_filter = filter.check(this);
+		setPassedFilter(passed_filter, filter_generation, filter.getStringMatchOffset(this), filter.getFilterStringSize());
+		return true;
+	}
+	else
+	{
+		return false;
+	}
+}
+
+LLFolderViewModelInventory* LLInventoryPanel::getFolderViewModel()
+{
+	return &mInventoryViewModel;
+}
+
+
+const LLFolderViewModelInventory* LLInventoryPanel::getFolderViewModel() const
+{
+	return &mInventoryViewModel;
+}
+
+bool LLInventorySort::operator()(const LLFolderViewModelItemInventory* const& a, const LLFolderViewModelItemInventory* const& b) const
+{
+	// Ignore sort order for landmarks in the Favorites folder.
+	// In that folder, landmarks should be always sorted as in the Favorites bar. See EXT-719
+	if (a->getSortGroup() == SG_ITEM
+		&& b->getSortGroup() == SG_ITEM
+		&& a->getInventoryType() == LLInventoryType::IT_LANDMARK
+		&& b->getInventoryType() == LLInventoryType::IT_LANDMARK)
+	{
+		static const LLUUID& favorites_folder_id = gInventory.findCategoryUUIDForType(LLFolderType::FT_FAVORITE);
+		// If both landmarks are in the Favorites folder...
+		if (gInventory.isObjectDescendentOf(a->getUUID(), favorites_folder_id) && gInventory.isObjectDescendentOf(b->getUUID(), favorites_folder_id))
+		{
+			// Get their index in that folder
+			S32 a_sort = LLFavoritesOrderStorage::instance().getSortIndex(a->getUUID());
+			S32 b_sort = LLFavoritesOrderStorage::instance().getSortIndex(b->getUUID());
+			// Note: this test is a bit overkill: since they are both in the Favorites folder, we shouldn't get negative index values...
+			if (!((a_sort < 0) && (b_sort < 0)))
+			{
+				return a_sort < b_sort;
+			}
+		}
+	}
+
+	// We sort by name if we aren't sorting by date
+	// OR if these are folders and we are sorting folders by name.
+	bool by_name = (!mByDate || (mFoldersByName && (a->getSortGroup() != SG_ITEM)));
+
+	if (a->getSortGroup() != b->getSortGroup())
+	{
+		if (mSystemToTop)
+		{
+			// Group order is System Folders, Trash, Normal Folders, Items
+			return (a->getSortGroup() < b->getSortGroup());
+		}
+		else if (mByDate)
+		{
+			// Trash needs to go to the bottom if we are sorting by date
+			if ( (a->getSortGroup() == SG_TRASH_FOLDER)
+				|| (b->getSortGroup() == SG_TRASH_FOLDER))
+			{
+				return (b->getSortGroup() == SG_TRASH_FOLDER);
+			}
+		}
+	}
+
+	if (by_name)
+	{
+		S32 compare = LLStringUtil::compareDict(a->getDisplayName(), b->getDisplayName());
+		if (0 == compare)
+		{
+			return (a->getCreationDate() > b->getCreationDate());
+		}
+		else
+		{
+			return (compare < 0);
+		}
+	}
+	else
+	{
+		time_t first_create = a->getCreationDate();
+		time_t second_create = b->getCreationDate();
+		if (first_create == second_create)
+		{
+			return (LLStringUtil::compareDict(a->getDisplayName(), b->getDisplayName()) < 0);
+		}
+		else
+		{
+			return (first_create > second_create);
+		}
+	}
+}
+
+LLFolderViewModelItemInventory::LLFolderViewModelItemInventory( class LLFolderViewModelInventory& root_view_model ) 
+	:	LLFolderViewModelItemCommon(root_view_model),
+	mPrevPassedAllFilters(false)
+{
+}
diff --git a/indra/newview/llfolderviewmodelinventory.h b/indra/newview/llfolderviewmodelinventory.h
new file mode 100644
index 0000000000..890d03d1c9
--- /dev/null
+++ b/indra/newview/llfolderviewmodelinventory.h
@@ -0,0 +1,118 @@
+/** 
+ * @file llfolderviewmodelinventory.h
+ * @brief view model implementation specific to inventory
+ * class definition
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLFOLDERVIEWMODELINVENTORY_H
+#define LL_LLFOLDERVIEWMODELINVENTORY_H
+
+#include "llinventoryfilter.h"
+#include "llinventory.h"
+#include "llwearabletype.h"
+#include "lltooldraganddrop.h"
+
+class LLFolderViewModelItemInventory
+	:	public LLFolderViewModelItemCommon
+{
+public:
+	LLFolderViewModelItemInventory(class LLFolderViewModelInventory& root_view_model);
+	virtual const LLUUID& getUUID() const = 0;
+	virtual time_t getCreationDate() const = 0;	// UTC seconds
+	virtual void setCreationDate(time_t creation_date_utc) = 0;
+	virtual PermissionMask getPermissionMask() const = 0;
+	virtual LLFolderType::EType getPreferredType() const = 0;
+	virtual void showProperties(void) = 0;
+	virtual BOOL isItemInTrash( void) const { return FALSE; } // TODO: make   into pure virtual.
+	virtual BOOL isUpToDate() const = 0;
+	virtual bool hasChildren() const = 0;
+	virtual LLInventoryType::EType getInventoryType() const = 0;
+	virtual void performAction(LLInventoryModel* model, std::string action)   = 0;
+	virtual LLWearableType::EType getWearableType() const = 0;
+	virtual EInventorySortGroup getSortGroup() const = 0;
+	virtual LLInventoryObject* getInventoryObject() const = 0;
+	virtual void requestSort();
+	virtual void setPassedFilter(bool filtered, S32 filter_generation, std::string::size_type string_offset = std::string::npos, std::string::size_type string_size = 0);
+	virtual bool filter( LLFolderViewFilter& filter);
+	virtual bool filterChildItem( LLFolderViewModelItem* item, LLFolderViewFilter& filter);
+
+	virtual BOOL startDrag(EDragAndDropType* type, LLUUID* id) const = 0;
+	virtual LLToolDragAndDrop::ESource getDragSource() const = 0;
+
+protected:
+	bool								mPrevPassedAllFilters;
+};
+
+class LLInventorySort
+{
+public:
+	struct Params : public LLInitParam::Block<Params>
+	{
+		Optional<S32> order;
+
+		Params()
+		:	order("order", 0)
+		{}
+	};
+
+	LLInventorySort(S32 order = 0)
+	{
+		fromParams(Params().order(order));
+	}
+
+	bool isByDate() const { return mByDate; }
+	U32 getSortOrder() const { return mSortOrder; }
+	void toParams(Params& p) { p.order(mSortOrder);}
+	void fromParams(Params& p) 
+	{ 
+		mSortOrder = p.order; 
+		mByDate = (mSortOrder & LLInventoryFilter::SO_DATE);
+		mSystemToTop = (mSortOrder & LLInventoryFilter::SO_SYSTEM_FOLDERS_TO_TOP);
+		mFoldersByName = (mSortOrder & LLInventoryFilter::SO_FOLDERS_BY_NAME);
+	}
+
+	bool operator()(const LLFolderViewModelItemInventory* const& a, const LLFolderViewModelItemInventory* const& b) const;
+private:
+	U32  mSortOrder;
+	bool mByDate;
+	bool mSystemToTop;
+	bool mFoldersByName;
+};
+
+class LLFolderViewModelInventory
+	:	public LLFolderViewModel<LLInventorySort,   LLFolderViewModelItemInventory, LLFolderViewModelItemInventory,   LLInventoryFilter>
+{
+public:
+	typedef LLFolderViewModel<LLInventorySort,   LLFolderViewModelItemInventory, LLFolderViewModelItemInventory,   LLInventoryFilter> base_t;
+
+	void setTaskID(const LLUUID& id) {mTaskID = id;}
+
+	void sort(LLFolderViewFolder* folder);
+	bool contentsReady();
+	bool startDrag(std::vector<LLFolderViewModelItem*>& items);
+
+private:
+	LLUUID mTaskID;
+};
+#endif // LL_LLFOLDERVIEWMODELINVENTORY_H
diff --git a/indra/newview/llfollowcam.cpp b/indra/newview/llfollowcam.cpp
index b670af1782..47612fe25c 100644
--- a/indra/newview/llfollowcam.cpp
+++ b/indra/newview/llfollowcam.cpp
@@ -38,7 +38,6 @@ std::vector<LLFollowCamParams*> LLFollowCamMgr::sParamStack;
 //-------------------------------------------------------
 // constants
 //-------------------------------------------------------
-const F32 ONE_HALF							= 0.5; 
 const F32 FOLLOW_CAM_ZOOM_FACTOR			= 0.1f;
 const F32 FOLLOW_CAM_MIN_ZOOM_AMOUNT		= 0.1f;
 const F32 DISTANCE_EPSILON					= 0.0001f;
diff --git a/indra/newview/llfriendcard.cpp b/indra/newview/llfriendcard.cpp
index 11401d6c68..a4dfd94496 100644
--- a/indra/newview/llfriendcard.cpp
+++ b/indra/newview/llfriendcard.cpp
@@ -47,13 +47,13 @@ static const std::string INVENTORY_STRING_FRIENDS_ALL_SUBFOLDER = "All";
 // helper functions
 
 // NOTE: For now Friends & All folders are created as protected folders of the LLFolderType::FT_CALLINGCARD type.
-// So, their names will be processed in the LLFolderViewItem::refreshFromListener() to be localized
+// So, their names will be processed in the LLFolderViewItem::refresh() to be localized
 // using "InvFolder LABEL_NAME" as LLTrans::findString argument.
 
 // We must use in this file their hard-coded names to ensure found them on different locales. EXT-5829.
 // These hard-coded names will be stored in InventoryItems but shown localized in FolderViewItems
 
-// If hack in the LLFolderViewItem::refreshFromListener() to localize protected folder is removed
+// If hack in the LLFolderViewItem::refresh() to localize protected folder is removed
 // or these folders are not protected these names should be localized in another place/way.
 inline const std::string get_friend_folder_name()
 {
@@ -533,7 +533,7 @@ void LLFriendCardsManager::addFriendCardToInventory(const LLUUID& avatarID)
 	bool shouldBeAdded = true;
 	LLAvatarName av_name;
 	LLAvatarNameCache::get(avatarID, &av_name);
-	const std::string& name = av_name.mUsername;
+	const std::string& name = av_name.getAccountName();
 
 	lldebugs << "Processing buddy name: " << name 
 		<< ", id: " << avatarID
diff --git a/indra/newview/llgesturemgr.cpp b/indra/newview/llgesturemgr.cpp
index 66ca76bfb0..f307505ff8 100644
--- a/indra/newview/llgesturemgr.cpp
+++ b/indra/newview/llgesturemgr.cpp
@@ -35,6 +35,7 @@
 // library
 #include "llaudioengine.h"
 #include "lldatapacker.h"
+#include "llfloaterreg.h"
 #include "llinventory.h"
 #include "llkeyframemotion.h"
 #include "llmultigesture.h"
@@ -51,7 +52,7 @@
 #include "llviewermessage.h"
 #include "llvoavatarself.h"
 #include "llviewerstats.h"
-#include "llnearbychatbar.h"
+#include "llfloaterimnearbychat.h"
 #include "llappearancemgr.h"
 #include "llgesturelistener.h"
 
@@ -997,7 +998,8 @@ void LLGestureMgr::runStep(LLMultiGesture* gesture, LLGestureStep* step)
 
 			const BOOL animate = FALSE;
 
-			LLNearbyChatBar::getInstance()->sendChatFromViewer(chat_text, CHAT_TYPE_NORMAL, animate);
+			(LLFloaterReg::getTypedInstance<LLFloaterIMNearbyChat>("nearby_chat"))->
+					sendChatFromViewer(chat_text, CHAT_TYPE_NORMAL, animate);
 
 			gesture->mCurrentStep++;
 			break;
diff --git a/indra/newview/llgroupactions.cpp b/indra/newview/llgroupactions.cpp
index 623ebb76f2..a0f2918bd7 100644
--- a/indra/newview/llgroupactions.cpp
+++ b/indra/newview/llgroupactions.cpp
@@ -36,10 +36,10 @@
 #include "llfloaterreg.h"
 #include "llfloatersidepanelcontainer.h"
 #include "llgroupmgr.h"
+#include "llfloaterimcontainer.h"
 #include "llimview.h" // for gIMMgr
 #include "llnotificationsutil.h"
 #include "llstatusbar.h"	// can_afford_transaction()
-#include "llimfloater.h"
 #include "groupchatlistener.h"
 
 //
@@ -335,7 +335,7 @@ LLUUID LLGroupActions::startIM(const LLUUID& group_id)
 			group_id);
 		if (session_id != LLUUID::null)
 		{
-			LLIMFloater::show(session_id);
+			LLFloaterIMContainer::getInstance()->showConversation(session_id);
 		}
 		make_ui_sound("UISndStartIM");
 		return session_id;
diff --git a/indra/newview/llgroupiconctrl.cpp b/indra/newview/llgroupiconctrl.cpp
index 2f9810775b..188c4bcf25 100644
--- a/indra/newview/llgroupiconctrl.cpp
+++ b/indra/newview/llgroupiconctrl.cpp
@@ -38,7 +38,7 @@
 
 #include "llcachename.h"
 #include "llagentdata.h"
-#include "llimfloater.h"
+#include "llfloaterimsession.h"
 */
 
 static LLDefaultChildRegistry::Register<LLGroupIconCtrl> g_i("group_icon");
diff --git a/indra/newview/llgrouplist.cpp b/indra/newview/llgrouplist.cpp
index 129cddda45..aba3d74d87 100644
--- a/indra/newview/llgrouplist.cpp
+++ b/indra/newview/llgrouplist.cpp
@@ -86,7 +86,7 @@ LLGroupList::LLGroupList(const Params& p)
 	registrar.add("People.Groups.Action",			boost::bind(&LLGroupList::onContextMenuItemClick,	this, _2));
 	enable_registrar.add("People.Groups.Enable",	boost::bind(&LLGroupList::onContextMenuItemEnable,	this, _2));
 
-	LLMenuGL* context_menu = LLUICtrlFactory::getInstance()->createFromFile<LLMenuGL>("menu_people_groups.xml",
+	LLToggleableMenu* context_menu = LLUICtrlFactory::getInstance()->createFromFile<LLToggleableMenu>("menu_people_groups.xml",
 			gMenuHolder, LLViewerMenuHolderGL::child_registry_t::instance());
 	if(context_menu)
 		mContextMenuHandle = context_menu->getHandle();
@@ -112,7 +112,7 @@ BOOL LLGroupList::handleRightMouseDown(S32 x, S32 y, MASK mask)
 {
 	BOOL handled = LLUICtrl::handleRightMouseDown(x, y, mask);
 
-	LLMenuGL* context_menu = (LLMenuGL*)mContextMenuHandle.get();
+	LLToggleableMenu* context_menu = mContextMenuHandle.get();
 	if (context_menu && size() > 0)
 	{
 		context_menu->buildDrawLabels();
@@ -406,7 +406,7 @@ void LLGroupListItem::setActive(bool active)
 	// *BUG: setName() overrides the style params.
 
 	// Active group should be bold.
-	LLFontDescriptor new_desc(mGroupNameBox->getDefaultFont()->getFontDesc());
+	LLFontDescriptor new_desc(mGroupNameBox->getFont()->getFontDesc());
 
 	// *NOTE dzaporozhan
 	// On Windows LLFontGL::NORMAL will not remove LLFontGL::BOLD if font 
diff --git a/indra/newview/llgrouplist.h b/indra/newview/llgrouplist.h
index 8abf14b3d0..e96a720886 100644
--- a/indra/newview/llgrouplist.h
+++ b/indra/newview/llgrouplist.h
@@ -28,10 +28,13 @@
 #define LL_LLGROUPLIST_H
 
 #include "llevent.h"
+#include "llpointer.h"
+
 #include "llflatlistview.h"
 #include "llpanel.h"
-#include "llpointer.h"
 #include "llstyle.h"
+#include "lltoggleablemenu.h"
+
 #include "llgroupmgr.h"
 
 /**
@@ -45,6 +48,10 @@ class LLGroupList: public LLFlatListViewEx, public LLOldEvents::LLSimpleListener
 {
 	LOG_CLASS(LLGroupList);
 public:
+	struct Params : public LLInitParam::Block<Params, LLFlatListViewEx::Params>
+	{
+		Params(){};
+	};
 
 	LLGroupList(const Params& p);
 	virtual ~LLGroupList();
@@ -57,6 +64,8 @@ public:
 	void toggleIcons();
 	bool getIconsVisible() const { return mShowIcons; }
 
+	LLToggleableMenu* getContextMenu() const { return mContextMenuHandle.get(); }
+
 private:
 	void setDirty(bool val = true)		{ mDirty = val; }
 	void refresh();
@@ -66,7 +75,7 @@ private:
 	bool onContextMenuItemClick(const LLSD& userdata);
 	bool onContextMenuItemEnable(const LLSD& userdata);
 
-	LLHandle<LLView>	mContextMenuHandle;
+	LLHandle<LLToggleableMenu>	mContextMenuHandle;
 
 	bool mShowIcons;
 	bool mDirty;
diff --git a/indra/newview/llhudnametag.cpp b/indra/newview/llhudnametag.cpp
index 482294c8a6..3336097955 100644
--- a/indra/newview/llhudnametag.cpp
+++ b/indra/newview/llhudnametag.cpp
@@ -166,7 +166,6 @@ BOOL LLHUDNameTag::lineSegmentIntersect(const LLVector3& start, const LLVector3&
 	}
 
 	// scale screen size of borders down
-	//RN: for now, text on hud objects is never occluded
 
 	LLVector3 x_pixel_vec;
 	LLVector3 y_pixel_vec;
@@ -187,45 +186,29 @@ BOOL LLHUDNameTag::lineSegmentIntersect(const LLVector3& start, const LLVector3&
 			+ (y_pixel_vec * screen_offset.mV[VY]);
 
 
-	//if (mUseBubble)
+	LLVector3 bg_pos = render_position
+		+ (F32)mOffsetY * y_pixel_vec
+		- (width_vec / 2.f)
+		- (height_vec);
+
+	LLVector3 v[] = 
 	{
-		LLVector3 bg_pos = render_position
-			+ (F32)mOffsetY * y_pixel_vec
-			- (width_vec / 2.f)
-			- (height_vec);
-		//LLUI::translate(bg_pos.mV[VX], bg_pos.mV[VY], bg_pos.mV[VZ]);
+		bg_pos,
+		bg_pos + width_vec,
+		bg_pos + width_vec + height_vec,
+		bg_pos + height_vec,
+	};
 
-		LLVector3 v[] = 
-		{
-			bg_pos,
-			bg_pos + width_vec,
-			bg_pos + width_vec + height_vec,
-			bg_pos + height_vec,
-		};
+	LLVector3 dir = end-start;
+	F32 a, b, t;
 
-		if (debug_render)
+	if (LLTriangleRayIntersect(v[0], v[1], v[2], start, dir, a, b, t, FALSE) ||
+		LLTriangleRayIntersect(v[2], v[3], v[0], start, dir, a, b, t, FALSE) )
+	{
+		if (t <= 1.f)
 		{
-			gGL.begin(LLRender::LINE_STRIP);
-			gGL.vertex3fv(v[0].mV);
-			gGL.vertex3fv(v[1].mV);
-			gGL.vertex3fv(v[2].mV);
-			gGL.vertex3fv(v[3].mV);
-			gGL.vertex3fv(v[0].mV);
-			gGL.vertex3fv(v[2].mV);
-			gGL.end();
-		}
-
-		LLVector3 dir = end-start;
-		F32 a, b, t;
-
-		if (LLTriangleRayIntersect(v[0], v[1], v[2], start, dir, a, b, t, FALSE) ||
-			LLTriangleRayIntersect(v[2], v[3], v[0], start, dir, a, b, t, FALSE) )
-		{
-			if (t <= 1.f)
-			{
-				intersection = start + dir*t;
-				return TRUE;
-			}
+			intersection = start + dir*t;
+			return TRUE;
 		}
 	}
 
@@ -241,12 +224,6 @@ void LLHUDNameTag::render()
 	}
 }
 
-void LLHUDNameTag::renderForSelect()
-{
-	LLGLDepthTest gls_depth(GL_TRUE, GL_FALSE);
-	renderText(TRUE);
-}
-
 void LLHUDNameTag::renderText(BOOL for_select)
 {
 	if (!mVisible || mHidden)
@@ -299,24 +276,6 @@ void LLHUDNameTag::renderText(BOOL for_select)
 	LLColor4 bg_color = LLUIColorTable::instance().getColor("NameTagBackground");
 	bg_color.setAlpha(gSavedSettings.getF32("ChatBubbleOpacity") * alpha_factor);
 
-	// maybe a no-op?
-	//const S32 border_height = 16;
-	//const S32 border_width = 16;
-	const S32 border_height = 8;
-	const S32 border_width = 8;
-
-	// *TODO move this into helper function
-	F32 border_scale = 1.f;
-
-	if (border_height * 2 > mHeight)
-	{
-		border_scale = (F32)mHeight / ((F32)border_height * 2.f);
-	}
-	if (border_width * 2 > mWidth)
-	{
-		border_scale = llmin(border_scale, (F32)mWidth / ((F32)border_width * 2.f));
-	}
-
 	// scale screen size of borders down
 	//RN: for now, text on hud objects is never occluded
 
@@ -325,152 +284,34 @@ void LLHUDNameTag::renderText(BOOL for_select)
 	
 	LLViewerCamera::getInstance()->getPixelVectors(mPositionAgent, y_pixel_vec, x_pixel_vec);
 
-	LLVector2 border_scale_vec((F32)border_width / (F32)imagep->getTextureWidth(), (F32)border_height / (F32)imagep->getTextureHeight());
 	LLVector3 width_vec = mWidth * x_pixel_vec;
 	LLVector3 height_vec = mHeight * y_pixel_vec;
-	LLVector3 scaled_border_width = (F32)llfloor(border_scale * (F32)border_width) * x_pixel_vec;
-	LLVector3 scaled_border_height = (F32)llfloor(border_scale * (F32)border_height) * y_pixel_vec;
 
 	mRadius = (width_vec + height_vec).magVec() * 0.5f;
 
 	LLCoordGL screen_pos;
 	LLViewerCamera::getInstance()->projectPosAgentToScreen(mPositionAgent, screen_pos, FALSE);
 
-	LLVector2 screen_offset;
-//	if (!mUseBubble)
-//	{
-//		screen_offset = mPositionOffset;
-//	}
-//	else
-//	{
-		screen_offset = updateScreenPos(mPositionOffset);
-//	}
+	LLVector2 screen_offset = updateScreenPos(mPositionOffset);
 
 	LLVector3 render_position = mPositionAgent  
 			+ (x_pixel_vec * screen_offset.mV[VX])
 			+ (y_pixel_vec * screen_offset.mV[VY]);
 
-//	if (mUseBubble)
+	LLGLDepthTest gls_depth(GL_TRUE, GL_FALSE);
+	LLRect screen_rect;
+	screen_rect.setCenterAndSize(0, static_cast<S32>(lltrunc(-mHeight / 2 + mOffsetY)), static_cast<S32>(lltrunc(mWidth)), static_cast<S32>(lltrunc(mHeight)));
+	imagep->draw3D(render_position, x_pixel_vec, y_pixel_vec, screen_rect, bg_color);
+	if (mLabelSegments.size())
 	{
-		LLGLDepthTest gls_depth(GL_TRUE, GL_FALSE);
-		LLUI::pushMatrix();
-		{
-			LLVector3 bg_pos = render_position
-				+ (F32)mOffsetY * y_pixel_vec
-				- (width_vec / 2.f)
-				- (height_vec);
-			LLUI::translate(bg_pos.mV[VX], bg_pos.mV[VY], bg_pos.mV[VZ]);
-
-			if (for_select)
-			{
-				gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
-				S32 name = mSourceObject->mGLName;
-				LLColor4U coloru((U8)(name >> 16), (U8)(name >> 8), (U8)name);
-				gGL.color4ubv(coloru.mV);
-				gl_segmented_rect_3d_tex(border_scale_vec, scaled_border_width, scaled_border_height, width_vec, height_vec);
-				LLUI::popMatrix();
-				return;
-			}
-			else
-			{
-				gGL.getTexUnit(0)->bind(imagep->getImage());
-				
-				gGL.color4fv(bg_color.mV);
-				gl_segmented_rect_3d_tex(border_scale_vec, scaled_border_width, scaled_border_height, width_vec, height_vec);
-		
-				if ( mLabelSegments.size())
-				{
-					LLUI::pushMatrix();
-					{
-						gGL.color4f(text_color.mV[VX], text_color.mV[VY], text_color.mV[VZ], gSavedSettings.getF32("ChatBubbleOpacity") * alpha_factor);
-						LLVector3 label_height = (mFontp->getLineHeight() * mLabelSegments.size() + (VERTICAL_PADDING / 3.f)) * y_pixel_vec;
-						LLVector3 label_offset = height_vec - label_height;
-						LLUI::translate(label_offset.mV[VX], label_offset.mV[VY], label_offset.mV[VZ]);
-						gl_segmented_rect_3d_tex_top(border_scale_vec, scaled_border_width, scaled_border_height, width_vec, label_height);
-					}
-					LLUI::popMatrix();
-				}
-			}
-
-			BOOL outside_width = llabs(mPositionOffset.mV[VX]) > mWidth * 0.5f;
-			BOOL outside_height = llabs(mPositionOffset.mV[VY] + (mVertAlignment == ALIGN_VERT_TOP ? mHeight * 0.5f : 0.f)) > mHeight * (mVertAlignment == ALIGN_VERT_TOP ? mHeight * 0.75f : 0.5f);
+		LLUIImagePtr rect_top_image = LLUI::getUIImage("Rounded_Rect_Top");
+		LLRect label_top_rect = screen_rect;
+		const S32 label_height = llround((mFontp->getLineHeight() * (F32)mLabelSegments.size() + (VERTICAL_PADDING / 3.f)));
+		label_top_rect.mBottom = label_top_rect.mTop - label_height;
+		LLColor4 label_top_color = text_color;
+		label_top_color.mV[VALPHA] = gSavedSettings.getF32("ChatBubbleOpacity") * alpha_factor;
 
-			// draw line segments pointing to parent object
-			if (!mOffscreen && (outside_width || outside_height))
-			{
-				LLUI::pushMatrix();
-				{
-					gGL.color4fv(bg_color.mV);
-					LLVector3 target_pos = -1.f * (mPositionOffset.mV[VX] * x_pixel_vec + mPositionOffset.mV[VY] * y_pixel_vec);
-					target_pos += (width_vec / 2.f);
-					target_pos += mVertAlignment == ALIGN_VERT_CENTER ? (height_vec * 0.5f) : LLVector3::zero;
-					target_pos -= 3.f * x_pixel_vec;
-					target_pos -= 6.f * y_pixel_vec;
-					LLUI::translate(target_pos.mV[VX], target_pos.mV[VY], target_pos.mV[VZ]);
-					gl_segmented_rect_3d_tex(border_scale_vec, 3.f * x_pixel_vec, 3.f * y_pixel_vec, 6.f * x_pixel_vec, 6.f * y_pixel_vec);	
-				}
-				LLUI::popMatrix();
-
-				gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
-				LLGLDepthTest gls_depth(mZCompare ? GL_TRUE : GL_FALSE, GL_FALSE);
-				
-				LLVector3 box_center_offset;
-				box_center_offset = (width_vec * 0.5f) + (height_vec * 0.5f);
-				LLUI::translate(box_center_offset.mV[VX], box_center_offset.mV[VY], box_center_offset.mV[VZ]);
-				gGL.color4fv(bg_color.mV);
-				LLUI::setLineWidth(2.0);
-				gGL.begin(LLRender::LINES);
-				{
-					if (outside_width)
-					{
-						LLVector3 vert;
-						// draw line in x then y
-						if (mPositionOffset.mV[VX] < 0.f)
-						{
-							// start at right edge
-							vert = width_vec * 0.5f;
-							gGL.vertex3fv(vert.mV);
-						}
-						else
-						{
-							// start at left edge
-							vert = width_vec * -0.5f;
-							gGL.vertex3fv(vert.mV);
-						}
-						vert = -mPositionOffset.mV[VX] * x_pixel_vec;
-						gGL.vertex3fv(vert.mV);
-						gGL.vertex3fv(vert.mV);
-						vert -= mPositionOffset.mV[VY] * y_pixel_vec;
-						vert -= ((mVertAlignment == ALIGN_VERT_TOP) ? (height_vec * 0.5f) : LLVector3::zero);
-						gGL.vertex3fv(vert.mV);
-					}
-					else
-					{
-						LLVector3 vert;
-						// draw line in y then x
-						if (mPositionOffset.mV[VY] < 0.f)
-						{
-							// start at top edge
-							vert = (height_vec * 0.5f) - (mPositionOffset.mV[VX] * x_pixel_vec);
-							gGL.vertex3fv(vert.mV);
-						}
-						else
-						{
-							// start at bottom edge
-							vert = (height_vec * -0.5f)  - (mPositionOffset.mV[VX] * x_pixel_vec);
-							gGL.vertex3fv(vert.mV);
-						}
-						vert = -mPositionOffset.mV[VY] * y_pixel_vec - mPositionOffset.mV[VX] * x_pixel_vec;
-						vert -= ((mVertAlignment == ALIGN_VERT_TOP) ? (height_vec * 0.5f) : LLVector3::zero);
-						gGL.vertex3fv(vert.mV);
-					}
-				}
-				gGL.end();
-				LLUI::setLineWidth(1.0);
-
-			}
-		}
-		LLUI::popMatrix();
+		rect_top_image->draw3D(render_position, x_pixel_vec, y_pixel_vec, label_top_rect, label_top_color);
 	}
 
 	F32 y_offset = (F32)mOffsetY;
@@ -874,29 +715,26 @@ void LLHUDNameTag::updateAll()
 	for (r_it = sVisibleTextObjects.rbegin(); r_it != sVisibleTextObjects.rend(); ++r_it)
 	{
 		LLHUDNameTag* textp = (*r_it);
-//		if (textp->mUseBubble)
-//		{
-			if (current_screen_area / screen_area > LOD_2_SCREEN_COVERAGE)
-			{
-				textp->setLOD(3);
-			}
-			else if (current_screen_area / screen_area > LOD_1_SCREEN_COVERAGE)
-			{
-				textp->setLOD(2);
-			}
-			else if (current_screen_area / screen_area > LOD_0_SCREEN_COVERAGE)
-			{
-				textp->setLOD(1);
-			}
-			else
-			{
-				textp->setLOD(0);
-			}
-			textp->updateSize();
-			// find on-screen position and initialize collision rectangle
-			textp->mTargetPositionOffset = textp->updateScreenPos(LLVector2::zero);
-			current_screen_area += (F32)(textp->mSoftScreenRect.getWidth() * textp->mSoftScreenRect.getHeight());
-//		}
+		if (current_screen_area / screen_area > LOD_2_SCREEN_COVERAGE)
+		{
+			textp->setLOD(3);
+		}
+		else if (current_screen_area / screen_area > LOD_1_SCREEN_COVERAGE)
+		{
+			textp->setLOD(2);
+		}
+		else if (current_screen_area / screen_area > LOD_0_SCREEN_COVERAGE)
+		{
+			textp->setLOD(1);
+		}
+		else
+		{
+			textp->setLOD(0);
+		}
+		textp->updateSize();
+		// find on-screen position and initialize collision rectangle
+		textp->mTargetPositionOffset = textp->updateScreenPos(LLVector2::zero);
+		current_screen_area += (F32)(textp->mSoftScreenRect.getWidth() * textp->mSoftScreenRect.getHeight());
 	}
 
 	LLStat* camera_vel_stat = LLViewerCamera::getInstance()->getVelocityStat();
@@ -914,20 +752,12 @@ void LLHUDNameTag::updateAll()
 		{
 			LLHUDNameTag* src_textp = (*src_it);
 
-//			if (!src_textp->mUseBubble)
-//			{
-//				continue;
-//			}
 			VisibleTextObjectIterator dst_it = src_it;
 			++dst_it;
 			for (; dst_it != sVisibleTextObjects.end(); ++dst_it)
 			{
 				LLHUDNameTag* dst_textp = (*dst_it);
 
-//				if (!dst_textp->mUseBubble)
-//				{
-//					continue;
-//				}
 				if (src_textp->mSoftScreenRect.overlaps(dst_textp->mSoftScreenRect))
 				{
 					LLRectf intersect_rect = src_textp->mSoftScreenRect;
@@ -976,10 +806,6 @@ void LLHUDNameTag::updateAll()
 	VisibleTextObjectIterator this_object_it;
 	for (this_object_it = sVisibleTextObjects.begin(); this_object_it != sVisibleTextObjects.end(); ++this_object_it)
 	{
-//		if (!(*this_object_it)->mUseBubble)
-//		{
-//			continue;
-//		}
 		(*this_object_it)->mPositionOffset = lerp((*this_object_it)->mPositionOffset, (*this_object_it)->mTargetPositionOffset, LLCriticalDamp::getInterpolant(POSITION_DAMPING_TC));
 	}
 }
@@ -1037,10 +863,6 @@ void LLHUDNameTag::addPickable(std::set<LLViewerObject*> &pick_list)
 	VisibleTextObjectIterator text_it;
 	for (text_it = sVisibleTextObjects.begin(); text_it != sVisibleTextObjects.end(); ++text_it)
 	{
-//		if (!(*text_it)->mUseBubble)
-//		{
-//			continue;
-//		}
 		pick_list.insert((*text_it)->mSourceObject);
 	}
 }
diff --git a/indra/newview/llhudnametag.h b/indra/newview/llhudnametag.h
index 3325c22def..72647d5b26 100644
--- a/indra/newview/llhudnametag.h
+++ b/indra/newview/llhudnametag.h
@@ -118,7 +118,6 @@ public:
 	/*virtual*/ void markDead();
 	friend class LLHUDObject;
 	/*virtual*/ F32 getDistance() const { return mLastDistance; }
-	//void setUseBubble(BOOL use_bubble) { mUseBubble = use_bubble; }
 	S32  getLOD() { return mLOD; }
 	BOOL getVisible() { return mVisible; }
 	BOOL getHidden() const { return mHidden; }
@@ -136,7 +135,6 @@ protected:
 	LLHUDNameTag(const U8 type);
 
 	/*virtual*/ void render();
-	/*virtual*/ void renderForSelect();
 	void renderText(BOOL for_select);
 	static void updateAll();
 	void setLOD(S32 lod);
diff --git a/indra/newview/llimfloater.cpp b/indra/newview/llimfloater.cpp
deleted file mode 100644
index 63eedcdfea..0000000000
--- a/indra/newview/llimfloater.cpp
+++ /dev/null
@@ -1,1195 +0,0 @@
-/** 
- * @file llimfloater.cpp
- * @brief LLIMFloater class definition
- *
- * $LicenseInfo:firstyear=2009&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#include "llviewerprecompiledheaders.h"
-
-#include "llimfloater.h"
-
-#include "llnotificationsutil.h"
-
-#include "llagent.h"
-#include "llappviewer.h"
-#include "llavatarnamecache.h"
-#include "llbutton.h"
-#include "llchannelmanager.h"
-#include "llchiclet.h"
-#include "llchicletbar.h"
-#include "llfloaterreg.h"
-#include "llimfloatercontainer.h" // to replace separate IM Floaters with multifloater container
-#include "llinventoryfunctions.h"
-#include "lllayoutstack.h"
-#include "lllineeditor.h"
-#include "lllogchat.h"
-#include "llpanelimcontrolpanel.h"
-#include "llscreenchannel.h"
-#include "llsyswellwindow.h"
-#include "lltrans.h"
-#include "llchathistory.h"
-#include "llnotifications.h"
-#include "llviewerwindow.h"
-#include "llvoicechannel.h"
-#include "lltransientfloatermgr.h"
-#include "llinventorymodel.h"
-#include "llrootview.h"
-#include "llspeakers.h"
-#include "llviewerchat.h"
-#include "llautoreplace.h"
-
-LLIMFloater::LLIMFloater(const LLUUID& session_id)
-  : LLTransientDockableFloater(NULL, true, session_id),
-	mControlPanel(NULL),
-	mSessionID(session_id),
-	mLastMessageIndex(-1),
-	mDialog(IM_NOTHING_SPECIAL),
-	mChatHistory(NULL),
-	mInputEditor(NULL),
-	mSavedTitle(),
-	mTypingStart(),
-	mShouldSendTypingState(false),
-	mMeTyping(false),
-	mOtherTyping(false),
-	mTypingTimer(),
-	mTypingTimeoutTimer(),
-	mPositioned(false),
-	mSessionInitialized(false)
-{
-	LLIMModel::LLIMSession* im_session = LLIMModel::getInstance()->findIMSession(mSessionID);
-	if (im_session)
-	{
-		mSessionInitialized = im_session->mSessionInitialized;
-		
-		mDialog = im_session->mType;
-		switch(mDialog){
-		case IM_NOTHING_SPECIAL:
-		case IM_SESSION_P2P_INVITE:
-			mFactoryMap["panel_im_control_panel"] = LLCallbackMap(createPanelIMControl, this);
-			break;
-		case IM_SESSION_CONFERENCE_START:
-			mFactoryMap["panel_im_control_panel"] = LLCallbackMap(createPanelAdHocControl, this);
-			break;
-		case IM_SESSION_GROUP_START:
-			mFactoryMap["panel_im_control_panel"] = LLCallbackMap(createPanelGroupControl, this);
-			break;
-		case IM_SESSION_INVITE:		
-			if (gAgent.isInGroup(mSessionID))
-			{
-				mFactoryMap["panel_im_control_panel"] = LLCallbackMap(createPanelGroupControl, this);
-			}
-			else
-			{
-				mFactoryMap["panel_im_control_panel"] = LLCallbackMap(createPanelAdHocControl, this);
-			}
-			break;
-		default: break;
-		}
-	}
-	setOverlapsScreenChannel(true);
-
-	LLTransientFloaterMgr::getInstance()->addControlView(LLTransientFloaterMgr::IM, this);
-
-	setDocked(true);
-}
-
-void LLIMFloater::onFocusLost()
-{
-	LLIMModel::getInstance()->resetActiveSessionID();
-	
-	LLChicletBar::getInstance()->getChicletPanel()->setChicletToggleState(mSessionID, false);
-}
-
-void LLIMFloater::onFocusReceived()
-{
-	LLIMModel::getInstance()->setActiveSessionID(mSessionID);
-
-	LLChicletBar::getInstance()->getChicletPanel()->setChicletToggleState(mSessionID, true);
-
-	if (getVisible())
-	{
-		LLIMModel::instance().sendNoUnreadMessages(mSessionID);
-	}
-}
-
-// virtual
-void LLIMFloater::onClose(bool app_quitting)
-{
-	setTyping(false);
-
-	// The source of much argument and design thrashing
-	// Should the window hide or the session close when the X is clicked?
-	//
-	// Last change:
-	// EXT-3516 X Button should end IM session, _ button should hide
-	gIMMgr->leaveSession(mSessionID);
-}
-
-/* static */
-void LLIMFloater::newIMCallback(const LLSD& data){
-	
-	if (data["num_unread"].asInteger() > 0 || data["from_id"].asUUID().isNull())
-	{
-		LLUUID session_id = data["session_id"].asUUID();
-
-		LLIMFloater* floater = LLFloaterReg::findTypedInstance<LLIMFloater>("impanel", session_id);
-		if (floater == NULL) return;
-
-        // update if visible, otherwise will be updated when opened
-		if (floater->getVisible())
-		{
-			floater->updateMessages();
-		}
-	}
-}
-
-void LLIMFloater::onVisibilityChange(const LLSD& new_visibility)
-{
-	bool visible = new_visibility.asBoolean();
-
-	LLVoiceChannel* voice_channel = LLIMModel::getInstance()->getVoiceChannel(mSessionID);
-
-	if (visible && voice_channel &&
-		voice_channel->getState() == LLVoiceChannel::STATE_CONNECTED)
-	{
-		LLFloaterReg::showInstance("voice_call", mSessionID);
-	}
-	else
-	{
-		LLFloaterReg::hideInstance("voice_call", mSessionID);
-	}
-}
-
-void LLIMFloater::onSendMsg( LLUICtrl* ctrl, void* userdata )
-{
-	LLIMFloater* self = (LLIMFloater*) userdata;
-	self->sendMsg();
-	self->setTyping(false);
-}
-
-void LLIMFloater::sendMsg()
-{
-	if (!gAgent.isGodlike() 
-		&& (mDialog == IM_NOTHING_SPECIAL)
-		&& mOtherParticipantUUID.isNull())
-	{
-		llinfos << "Cannot send IM to everyone unless you're a god." << llendl;
-		return;
-	}
-
-	if (mInputEditor)
-	{
-		LLWString text = mInputEditor->getConvertedText();
-		if(!text.empty())
-		{
-			// Truncate and convert to UTF8 for transport
-			std::string utf8_text = wstring_to_utf8str(text);
-			utf8_text = utf8str_truncate(utf8_text, MAX_MSG_BUF_SIZE - 1);
-			
-			if (mSessionInitialized)
-			{
-				LLIMModel::sendMessage(utf8_text, mSessionID,
-					mOtherParticipantUUID,mDialog);
-			}
-			else
-			{
-				//queue up the message to send once the session is initialized
-				mQueuedMsgsForInit.append(utf8_text);
-			}
-
-			mInputEditor->setText(LLStringUtil::null);
-
-			updateMessages();
-		}
-	}
-}
-
-
-
-LLIMFloater::~LLIMFloater()
-{
-	LLTransientFloaterMgr::getInstance()->removeControlView(LLTransientFloaterMgr::IM, this);
-}
-
-//virtual
-BOOL LLIMFloater::postBuild()
-{
-	const LLUUID& other_party_id = LLIMModel::getInstance()->getOtherParticipantID(mSessionID);
-	if (other_party_id.notNull())
-	{
-		mOtherParticipantUUID = other_party_id;
-	}
-
-	mControlPanel->setSessionId(mSessionID);
-	mControlPanel->getParent()->setVisible(gSavedSettings.getBOOL("IMShowControlPanel"));
-
-	LLButton* slide_left = getChild<LLButton>("slide_left_btn");
-	slide_left->setVisible(mControlPanel->getParent()->getVisible());
-	slide_left->setClickedCallback(boost::bind(&LLIMFloater::onSlide, this));
-
-	LLButton* slide_right = getChild<LLButton>("slide_right_btn");
-	slide_right->setVisible(!mControlPanel->getParent()->getVisible());
-	slide_right->setClickedCallback(boost::bind(&LLIMFloater::onSlide, this));
-
-	mInputEditor = getChild<LLLineEditor>("chat_editor");
-	mInputEditor->setMaxTextLength(1023);
-	// enable line history support for instant message bar
-	mInputEditor->setEnableLineHistory(TRUE);
-	// *TODO Establish LineEditor with autoreplace callback
-	mInputEditor->setAutoreplaceCallback(boost::bind(&LLAutoReplace::autoreplaceCallback, LLAutoReplace::getInstance(), _1, _2));
-
-	LLFontGL* font = LLViewerChat::getChatFont();
-	mInputEditor->setFont(font);	
-	
-	mInputEditor->setFocusReceivedCallback( boost::bind(onInputEditorFocusReceived, _1, this) );
-	mInputEditor->setFocusLostCallback( boost::bind(onInputEditorFocusLost, _1, this) );
-	mInputEditor->setKeystrokeCallback( onInputEditorKeystroke, this );
-	mInputEditor->setCommitOnFocusLost( FALSE );
-	mInputEditor->setRevertOnEsc( FALSE );
-	mInputEditor->setReplaceNewlinesWithSpaces( FALSE );
-	mInputEditor->setPassDelete( TRUE );
-
-	childSetCommitCallback("chat_editor", onSendMsg, this);
-	
-	mChatHistory = getChild<LLChatHistory>("chat_history");
-
-	setDocked(true);
-
-	mTypingStart = LLTrans::getString("IM_typing_start_string");
-
-	// Disable input editor if session cannot accept text
-	LLIMModel::LLIMSession* im_session =
-		LLIMModel::instance().findIMSession(mSessionID);
-	if( im_session && !im_session->mTextIMPossible )
-	{
-		mInputEditor->setEnabled(FALSE);
-		mInputEditor->setLabel(LLTrans::getString("IM_unavailable_text_label"));
-	}
-
-	if ( im_session && im_session->isP2PSessionType())
-	{
-		// look up display name for window title
-		LLAvatarNameCache::get(im_session->mOtherParticipantID,
-							   boost::bind(&LLIMFloater::onAvatarNameCache,
-										   this, _1, _2));
-	}
-	else
-	{
-		std::string session_name(LLIMModel::instance().getName(mSessionID));
-		updateSessionName(session_name, session_name);
-	}
-	
-	//*TODO if session is not initialized yet, add some sort of a warning message like "starting session...blablabla"
-	//see LLFloaterIMPanel for how it is done (IB)
-
-	if(isChatMultiTab())
-	{
-		return LLFloater::postBuild();
-	}
-	else
-	{
-		return LLDockableFloater::postBuild();
-	}
-}
-
-void LLIMFloater::updateSessionName(const std::string& ui_title,
-									const std::string& ui_label)
-{
-	mInputEditor->setLabel(LLTrans::getString("IM_to_label") + " " + ui_label);
-	setTitle(ui_title);	
-}
-
-void LLIMFloater::onAvatarNameCache(const LLUUID& agent_id,
-									const LLAvatarName& av_name)
-{
-	// Use display name only for labels, as the extended name will be in the
-	// floater title
-	std::string ui_title = av_name.getCompleteName();
-	updateSessionName(ui_title, av_name.mDisplayName);
-	mTypingStart.setArg("[NAME]", ui_title);
-}
-
-// virtual
-void LLIMFloater::draw()
-{
-	if ( mMeTyping )
-	{
-		// Time out if user hasn't typed for a while.
-		if ( mTypingTimeoutTimer.getElapsedTimeF32() > LLAgent::TYPING_TIMEOUT_SECS )
-		{
-			setTyping(false);
-		}
-	}
-
-	LLTransientDockableFloater::draw();
-}
-
-
-// static
-void* LLIMFloater::createPanelIMControl(void* userdata)
-{
-	LLIMFloater *self = (LLIMFloater*)userdata;
-	self->mControlPanel = new LLPanelIMControlPanel();
-	self->mControlPanel->setXMLFilename("panel_im_control_panel.xml");
-	return self->mControlPanel;
-}
-
-
-// static
-void* LLIMFloater::createPanelGroupControl(void* userdata)
-{
-	LLIMFloater *self = (LLIMFloater*)userdata;
-	self->mControlPanel = new LLPanelGroupControlPanel(self->mSessionID);
-	self->mControlPanel->setXMLFilename("panel_group_control_panel.xml");
-	return self->mControlPanel;
-}
-
-// static
-void* LLIMFloater::createPanelAdHocControl(void* userdata)
-{
-	LLIMFloater *self = (LLIMFloater*)userdata;
-	self->mControlPanel = new LLPanelAdHocControlPanel(self->mSessionID);
-	self->mControlPanel->setXMLFilename("panel_adhoc_control_panel.xml");
-	return self->mControlPanel;
-}
-
-void LLIMFloater::onSlide()
-{
-	mControlPanel->getParent()->setVisible(!mControlPanel->getParent()->getVisible());
-
-	gSavedSettings.setBOOL("IMShowControlPanel", mControlPanel->getParent()->getVisible());
-
-	getChild<LLButton>("slide_left_btn")->setVisible(mControlPanel->getParent()->getVisible());
-	getChild<LLButton>("slide_right_btn")->setVisible(!mControlPanel->getParent()->getVisible());
-}
-
-//static
-LLIMFloater* LLIMFloater::show(const LLUUID& session_id)
-{
-	closeHiddenIMToasts();
-
-	if (!gIMMgr->hasSession(session_id)) return NULL;
-
-	if(!isChatMultiTab())
-	{
-		//hide all
-		LLFloaterReg::const_instance_list_t& inst_list = LLFloaterReg::getFloaterList("impanel");
-		for (LLFloaterReg::const_instance_list_t::const_iterator iter = inst_list.begin();
-			 iter != inst_list.end(); ++iter)
-		{
-			LLIMFloater* floater = dynamic_cast<LLIMFloater*>(*iter);
-			if (floater && floater->isDocked())
-			{
-				floater->setVisible(false);
-			}
-		}
-	}
-
-	bool exist = findInstance(session_id);
-
-	LLIMFloater* floater = getInstance(session_id);
-	if (!floater) return NULL;
-
-	if(isChatMultiTab())
-	{
-		LLIMFloaterContainer* floater_container = LLIMFloaterContainer::getInstance();
-
-		// do not add existed floaters to avoid adding torn off instances
-		if (!exist)
-		{
-			//		LLTabContainer::eInsertionPoint i_pt = user_initiated ? LLTabContainer::RIGHT_OF_CURRENT : LLTabContainer::END;
-			// TODO: mantipov: use LLTabContainer::RIGHT_OF_CURRENT if it exists
-			LLTabContainer::eInsertionPoint i_pt = LLTabContainer::END;
-			
-			if (floater_container)
-			{
-				floater_container->addFloater(floater, TRUE, i_pt);
-			}
-		}
-
-		floater->openFloater(floater->getKey());
-	}
-	else
-	{
-		// Docking may move chat window, hide it before moving, or user will see how window "jumps"
-		floater->setVisible(false);
-
-		if (floater->getDockControl() == NULL)
-		{
-			LLChiclet* chiclet =
-					LLChicletBar::getInstance()->getChicletPanel()->findChiclet<LLChiclet>(
-							session_id);
-			if (chiclet == NULL)
-			{
-				llerror("Dock chiclet for LLIMFloater doesn't exists", 0);
-			}
-			else
-			{
-				LLChicletBar::getInstance()->getChicletPanel()->scrollToChiclet(chiclet);
-			}
-
-			floater->setDockControl(new LLDockControl(chiclet, floater, floater->getDockTongue(),
-					LLDockControl::BOTTOM));
-		}
-
-		// window is positioned, now we can show it.
-	}
-	floater->setVisible(TRUE);
-
-	return floater;
-}
-
-void LLIMFloater::setDocked(bool docked, bool pop_on_undock)
-{
-	// update notification channel state
-	LLNotificationsUI::LLScreenChannel* channel = static_cast<LLNotificationsUI::LLScreenChannel*>
-		(LLNotificationsUI::LLChannelManager::getInstance()->
-											findChannelByID(LLUUID(gSavedSettings.getString("NotificationChannelUUID"))));
-	
-	if(!isChatMultiTab())
-	{
-		LLTransientDockableFloater::setDocked(docked, pop_on_undock);
-	}
-
-	// update notification channel state
-	if(channel)
-	{
-		channel->updateShowToastsState();
-		channel->redrawToasts();
-	}
-}
-
-void LLIMFloater::setVisible(BOOL visible)
-{
-	LLNotificationsUI::LLScreenChannel* channel = static_cast<LLNotificationsUI::LLScreenChannel*>
-		(LLNotificationsUI::LLChannelManager::getInstance()->
-											findChannelByID(LLUUID(gSavedSettings.getString("NotificationChannelUUID"))));
-	LLTransientDockableFloater::setVisible(visible);
-
-	// update notification channel state
-	if(channel)
-	{
-		channel->updateShowToastsState();
-		channel->redrawToasts();
-	}
-
-	BOOL is_minimized = visible && isChatMultiTab()
-		? LLIMFloaterContainer::getInstance()->isMinimized()
-		: !visible;
-
-	if (!is_minimized && mChatHistory && mInputEditor)
-	{
-		//only if floater was construced and initialized from xml
-		updateMessages();
-		//prevent stealing focus when opening a background IM tab (EXT-5387, checking focus for EXT-6781)
-		if (!isChatMultiTab() || hasFocus())
-		{
-			mInputEditor->setFocus(TRUE);
-		}
-	}
-
-	if(!visible)
-	{
-		LLIMChiclet* chiclet = LLChicletBar::getInstance()->getChicletPanel()->findChiclet<LLIMChiclet>(mSessionID);
-		if(chiclet)
-		{
-			chiclet->setToggleState(false);
-		}
-	}
-}
-
-BOOL LLIMFloater::getVisible()
-{
-	if(isChatMultiTab())
-	{
-		LLIMFloaterContainer* im_container = LLIMFloaterContainer::getInstance();
-		
-		// Treat inactive floater as invisible.
-		bool is_active = im_container->getActiveFloater() == this;
-	
-		//torn off floater is always inactive
-		if (!is_active && getHost() != im_container)
-		{
-			return LLTransientDockableFloater::getVisible();
-		}
-
-		// getVisible() returns TRUE when Tabbed IM window is minimized.
-		return is_active && !im_container->isMinimized() && im_container->getVisible();
-	}
-	else
-	{
-		return LLTransientDockableFloater::getVisible();
-	}
-}
-
-//static
-bool LLIMFloater::toggle(const LLUUID& session_id)
-{
-	if(!isChatMultiTab())
-	{
-		LLIMFloater* floater = LLFloaterReg::findTypedInstance<LLIMFloater>("impanel", session_id);
-		if (floater && floater->getVisible() && floater->hasFocus())
-		{
-			// clicking on chiclet to close floater just hides it to maintain existing
-			// scroll/text entry state
-			floater->setVisible(false);
-			return false;
-		}
-		else if(floater && (!floater->isDocked() || floater->getVisible() && !floater->hasFocus()))
-		{
-			floater->setVisible(TRUE);
-			floater->setFocus(TRUE);
-			return true;
-		}
-	}
-
-	// ensure the list of messages is updated when floater is made visible
-	show(session_id);
-	return true;
-}
-
-//static
-LLIMFloater* LLIMFloater::findInstance(const LLUUID& session_id)
-{
-	return LLFloaterReg::findTypedInstance<LLIMFloater>("impanel", session_id);
-}
-
-LLIMFloater* LLIMFloater::getInstance(const LLUUID& session_id)
-{
-	return LLFloaterReg::getTypedInstance<LLIMFloater>("impanel", session_id);
-}
-
-void LLIMFloater::sessionInitReplyReceived(const LLUUID& im_session_id)
-{
-	mSessionInitialized = true;
-
-	//will be different only for an ad-hoc im session
-	if (mSessionID != im_session_id)
-	{
-		mSessionID = im_session_id;
-		setKey(im_session_id);
-		mControlPanel->setSessionId(im_session_id);
-	}
-
-	// updating "Call" button from group control panel here to enable it without placing into draw() (EXT-4796)
-	if(gAgent.isInGroup(im_session_id))
-	{
-		mControlPanel->updateCallButton();
-	}
-	
-	//*TODO here we should remove "starting session..." warning message if we added it in postBuild() (IB)
-
-
-	//need to send delayed messaged collected while waiting for session initialization
-	if (!mQueuedMsgsForInit.size()) return;
-	LLSD::array_iterator iter;
-	for ( iter = mQueuedMsgsForInit.beginArray();
-		iter != mQueuedMsgsForInit.endArray();
-		++iter)
-	{
-		LLIMModel::sendMessage(iter->asString(), mSessionID,
-			mOtherParticipantUUID, mDialog);
-	}
-}
-
-void LLIMFloater::updateMessages()
-{
-	bool use_plain_text_chat_history = gSavedSettings.getBOOL("PlainTextChatHistory");
-
-	std::list<LLSD> messages;
-
-	// we shouldn't reset unread message counters if IM floater doesn't have focus
-	if (hasFocus())
-	{
-		LLIMModel::instance().getMessages(mSessionID, messages, mLastMessageIndex+1);
-	}
-	else
-	{
-		LLIMModel::instance().getMessagesSilently(mSessionID, messages, mLastMessageIndex+1);
-	}
-
-	if (messages.size())
-	{
-		LLSD chat_args;
-		chat_args["use_plain_text_chat_history"] = use_plain_text_chat_history;
-
-		std::ostringstream message;
-		std::list<LLSD>::const_reverse_iterator iter = messages.rbegin();
-		std::list<LLSD>::const_reverse_iterator iter_end = messages.rend();
-		for (; iter != iter_end; ++iter)
-		{
-			LLSD msg = *iter;
-
-			std::string time = msg["time"].asString();
-			LLUUID from_id = msg["from_id"].asUUID();
-			std::string from = msg["from"].asString();
-			std::string message = msg["message"].asString();
-			bool is_history = msg["is_history"].asBoolean();
-
-			LLChat chat;
-			chat.mFromID = from_id;
-			chat.mSessionID = mSessionID;
-			chat.mFromName = from;
-			chat.mTimeStr = time;
-			chat.mChatStyle = is_history ? CHAT_STYLE_HISTORY : chat.mChatStyle;
-
-			// process offer notification
-			if (msg.has("notification_id"))
-			{
-				chat.mNotifId = msg["notification_id"].asUUID();
-				// if notification exists - embed it
-				if (LLNotificationsUtil::find(chat.mNotifId) != NULL)
-				{
-					// remove embedded notification from channel
-					LLNotificationsUI::LLScreenChannel* channel = static_cast<LLNotificationsUI::LLScreenChannel*>
-							(LLNotificationsUI::LLChannelManager::getInstance()->
-																findChannelByID(LLUUID(gSavedSettings.getString("NotificationChannelUUID"))));
-					if (getVisible())
-					{
-						// toast will be automatically closed since it is not storable toast
-						channel->hideToast(chat.mNotifId);
-					}
-				}
-				// if notification doesn't exist - try to use next message which should be log entry
-				else
-				{
-					continue;
-				}
-			}
-			//process text message
-			else
-			{
-				chat.mText = message;
-			}
-			
-			mChatHistory->appendMessage(chat, chat_args);
-			mLastMessageIndex = msg["index"].asInteger();
-
-			// if it is a notification - next message is a notification history log, so skip it
-			if (chat.mNotifId.notNull() && LLNotificationsUtil::find(chat.mNotifId) != NULL)
-			{
-				if (++iter == iter_end)
-				{
-					break;
-				}
-				else
-				{
-					mLastMessageIndex++;
-				}
-			}
-		}
-	}
-}
-
-void LLIMFloater::reloadMessages()
-{
-	mChatHistory->clear();
-	mLastMessageIndex = -1;
-	updateMessages();
-}
-
-// static
-void LLIMFloater::onInputEditorFocusReceived( LLFocusableElement* caller, void* userdata )
-{
-	LLIMFloater* self= (LLIMFloater*) userdata;
-
-	// Allow enabling the LLIMFloater input editor only if session can accept text
-	LLIMModel::LLIMSession* im_session =
-		LLIMModel::instance().findIMSession(self->mSessionID);
-	//TODO: While disabled lllineeditor can receive focus we need to check if it is enabled (EK)
-	if( im_session && im_session->mTextIMPossible && self->mInputEditor->getEnabled())
-	{
-		//in disconnected state IM input editor should be disabled
-		self->mInputEditor->setEnabled(!gDisconnected);
-	}
-}
-
-// static
-void LLIMFloater::onInputEditorFocusLost(LLFocusableElement* caller, void* userdata)
-{
-	LLIMFloater* self = (LLIMFloater*) userdata;
-	self->setTyping(false);
-}
-
-// static
-void LLIMFloater::onInputEditorKeystroke(LLLineEditor* caller, void* userdata)
-{
-	LLIMFloater* self = (LLIMFloater*)userdata;
-	std::string text = self->mInputEditor->getText();
-	if (!text.empty())
-	{
-		self->setTyping(true);
-	}
-	else
-	{
-		// Deleting all text counts as stopping typing.
-		self->setTyping(false);
-	}
-}
-
-void LLIMFloater::setTyping(bool typing)
-{
-	if ( typing )
-	{
-		// Started or proceeded typing, reset the typing timeout timer
-		mTypingTimeoutTimer.reset();
-	}
-
-	if ( mMeTyping != typing )
-	{
-		// Typing state is changed
-		mMeTyping = typing;
-		// So, should send current state
-		mShouldSendTypingState = true;
-		// In case typing is started, send state after some delay
-		mTypingTimer.reset();
-	}
-
-	// Don't want to send typing indicators to multiple people, potentially too
-	// much network traffic. Only send in person-to-person IMs.
-	if ( mShouldSendTypingState && mDialog == IM_NOTHING_SPECIAL )
-	{
-		if ( mMeTyping )
-		{
-			if ( mTypingTimer.getElapsedTimeF32() > 1.f )
-			{
-				// Still typing, send 'start typing' notification
-				LLIMModel::instance().sendTypingState(mSessionID, mOtherParticipantUUID, TRUE);
-				mShouldSendTypingState = false;
-			}
-		}
-		else
-		{
-			// Send 'stop typing' notification immediately
-			LLIMModel::instance().sendTypingState(mSessionID, mOtherParticipantUUID, FALSE);
-			mShouldSendTypingState = false;
-		}
-	}
-
-	LLIMSpeakerMgr* speaker_mgr = LLIMModel::getInstance()->getSpeakerManager(mSessionID);
-	if (speaker_mgr)
-		speaker_mgr->setSpeakerTyping(gAgent.getID(), FALSE);
-
-}
-
-void LLIMFloater::processIMTyping(const LLIMInfo* im_info, BOOL typing)
-{
-	if ( typing )
-	{
-		// other user started typing
-		addTypingIndicator(im_info);
-	}
-	else
-	{
-		// other user stopped typing
-		removeTypingIndicator(im_info);
-	}
-}
-
-void LLIMFloater::processAgentListUpdates(const LLSD& body)
-{
-	if ( !body.isMap() ) return;
-
-	if ( body.has("agent_updates") && body["agent_updates"].isMap() )
-	{
-		LLSD agent_data = body["agent_updates"].get(gAgentID.asString());
-		if (agent_data.isMap() && agent_data.has("info"))
-		{
-			LLSD agent_info = agent_data["info"];
-
-			if (agent_info.has("mutes"))
-			{
-				BOOL moderator_muted_text = agent_info["mutes"]["text"].asBoolean(); 
-				mInputEditor->setEnabled(!moderator_muted_text);
-				std::string label;
-				if (moderator_muted_text)
-					label = LLTrans::getString("IM_muted_text_label");
-				else
-					label = LLTrans::getString("IM_to_label") + " " + LLIMModel::instance().getName(mSessionID);
-				mInputEditor->setLabel(label);
-
-				if (moderator_muted_text)
-					LLNotificationsUtil::add("TextChatIsMutedByModerator");
-			}
-		}
-	}
-}
-
-void LLIMFloater::updateChatHistoryStyle()
-{
-	mChatHistory->clear();
-	mLastMessageIndex = -1;
-	updateMessages();
-}
-
-void LLIMFloater::processChatHistoryStyleUpdate(const LLSD& newvalue)
-{
-	LLFontGL* font = LLViewerChat::getChatFont();
-	LLFloaterReg::const_instance_list_t& inst_list = LLFloaterReg::getFloaterList("impanel");
-	for (LLFloaterReg::const_instance_list_t::const_iterator iter = inst_list.begin();
-		 iter != inst_list.end(); ++iter)
-	{
-		LLIMFloater* floater = dynamic_cast<LLIMFloater*>(*iter);
-		if (floater)
-		{
-			floater->updateChatHistoryStyle();
-			floater->mInputEditor->setFont(font);
-		}
-	}
-
-}
-
-void LLIMFloater::processSessionUpdate(const LLSD& session_update)
-{
-	// *TODO : verify following code when moderated mode will be implemented
-	if ( false && session_update.has("moderated_mode") &&
-		 session_update["moderated_mode"].has("voice") )
-	{
-		BOOL voice_moderated = session_update["moderated_mode"]["voice"];
-		const std::string session_label = LLIMModel::instance().getName(mSessionID);
-
-		if (voice_moderated)
-		{
-			setTitle(session_label + std::string(" ") + LLTrans::getString("IM_moderated_chat_label"));
-		}
-		else
-		{
-			setTitle(session_label);
-		}
-
-		// *TODO : uncomment this when/if LLPanelActiveSpeakers panel will be added
-		//update the speakers dropdown too
-		//mSpeakerPanel->setVoiceModerationCtrlMode(voice_moderated);
-	}
-}
-
-BOOL LLIMFloater::handleDragAndDrop(S32 x, S32 y, MASK mask,
-						   BOOL drop, EDragAndDropType cargo_type,
-						   void *cargo_data, EAcceptance *accept,
-						   std::string& tooltip_msg)
-{
-
-	if (mDialog == IM_NOTHING_SPECIAL)
-	{
-		LLToolDragAndDrop::handleGiveDragAndDrop(mOtherParticipantUUID, mSessionID, drop,
-												 cargo_type, cargo_data, accept);
-	}
-
-	// handle case for dropping calling cards (and folders of calling cards) onto invitation panel for invites
-	else if (isInviteAllowed())
-	{
-		*accept = ACCEPT_NO;
-
-		if (cargo_type == DAD_CALLINGCARD)
-		{
-			if (dropCallingCard((LLInventoryItem*)cargo_data, drop))
-			{
-				*accept = ACCEPT_YES_MULTI;
-			}
-		}
-		else if (cargo_type == DAD_CATEGORY)
-		{
-			if (dropCategory((LLInventoryCategory*)cargo_data, drop))
-			{
-				*accept = ACCEPT_YES_MULTI;
-			}
-		}
-	}
-	return TRUE;
-}
-
-BOOL LLIMFloater::dropCallingCard(LLInventoryItem* item, BOOL drop)
-{
-	BOOL rv = isInviteAllowed();
-	if(rv && item && item->getCreatorUUID().notNull())
-	{
-		if(drop)
-		{
-			uuid_vec_t ids;
-			ids.push_back(item->getCreatorUUID());
-			inviteToSession(ids);
-		}
-	}
-	else
-	{
-		// set to false if creator uuid is null.
-		rv = FALSE;
-	}
-	return rv;
-}
-
-BOOL LLIMFloater::dropCategory(LLInventoryCategory* category, BOOL drop)
-{
-	BOOL rv = isInviteAllowed();
-	if(rv && category)
-	{
-		LLInventoryModel::cat_array_t cats;
-		LLInventoryModel::item_array_t items;
-		LLUniqueBuddyCollector buddies;
-		gInventory.collectDescendentsIf(category->getUUID(),
-										cats,
-										items,
-										LLInventoryModel::EXCLUDE_TRASH,
-										buddies);
-		S32 count = items.count();
-		if(count == 0)
-		{
-			rv = FALSE;
-		}
-		else if(drop)
-		{
-			uuid_vec_t ids;
-			ids.reserve(count);
-			for(S32 i = 0; i < count; ++i)
-			{
-				ids.push_back(items.get(i)->getCreatorUUID());
-			}
-			inviteToSession(ids);
-		}
-	}
-	return rv;
-}
-
-BOOL LLIMFloater::isInviteAllowed() const
-{
-
-	return ( (IM_SESSION_CONFERENCE_START == mDialog)
-			 || (IM_SESSION_INVITE == mDialog) );
-}
-
-class LLSessionInviteResponder : public LLHTTPClient::Responder
-{
-public:
-	LLSessionInviteResponder(const LLUUID& session_id)
-	{
-		mSessionID = session_id;
-	}
-
-	void error(U32 statusNum, const std::string& reason)
-	{
-		llinfos << "Error inviting all agents to session" << llendl;
-		//throw something back to the viewer here?
-	}
-
-private:
-	LLUUID mSessionID;
-};
-
-BOOL LLIMFloater::inviteToSession(const uuid_vec_t& ids)
-{
-	LLViewerRegion* region = gAgent.getRegion();
-	if (!region)
-	{
-		return FALSE;
-	}
-
-	S32 count = ids.size();
-
-	if( isInviteAllowed() && (count > 0) )
-	{
-		llinfos << "LLIMFloater::inviteToSession() - inviting participants" << llendl;
-
-		std::string url = region->getCapability("ChatSessionRequest");
-
-		LLSD data;
-
-		data["params"] = LLSD::emptyArray();
-		for (int i = 0; i < count; i++)
-		{
-			data["params"].append(ids[i]);
-		}
-
-		data["method"] = "invite";
-		data["session-id"] = mSessionID;
-		LLHTTPClient::post(
-			url,
-			data,
-			new LLSessionInviteResponder(
-					mSessionID));
-	}
-	else
-	{
-		llinfos << "LLIMFloater::inviteToSession -"
-				<< " no need to invite agents for "
-				<< mDialog << llendl;
-		// successful add, because everyone that needed to get added
-		// was added.
-	}
-
-	return TRUE;
-}
-
-void LLIMFloater::addTypingIndicator(const LLIMInfo* im_info)
-{
-	// We may have lost a "stop-typing" packet, don't add it twice
-	if ( im_info && !mOtherTyping )
-	{
-		mOtherTyping = true;
-
-		// Save and set new title
-		mSavedTitle = getTitle();
-		setTitle (mTypingStart);
-
-		// Update speaker
-		LLIMSpeakerMgr* speaker_mgr = LLIMModel::getInstance()->getSpeakerManager(mSessionID);
-		if ( speaker_mgr )
-		{
-			speaker_mgr->setSpeakerTyping(im_info->mFromID, TRUE);
-		}
-	}
-}
-
-void LLIMFloater::removeTypingIndicator(const LLIMInfo* im_info)
-{
-	if ( mOtherTyping )
-	{
-		mOtherTyping = false;
-
-		// Revert the title to saved one
-		setTitle(mSavedTitle);
-
-		if ( im_info )
-		{
-			// Update speaker
-			LLIMSpeakerMgr* speaker_mgr = LLIMModel::getInstance()->getSpeakerManager(mSessionID);
-			if ( speaker_mgr )
-			{
-				speaker_mgr->setSpeakerTyping(im_info->mFromID, FALSE);
-			}
-		}
-
-	}
-}
-
-// static
-void LLIMFloater::closeHiddenIMToasts()
-{
-	class IMToastMatcher: public LLNotificationsUI::LLScreenChannel::Matcher
-	{
-	public:
-		bool matches(const LLNotificationPtr notification) const
-		{
-			// "notifytoast" type of notifications is reserved for IM notifications
-			return "notifytoast" == notification->getType();
-		}
-	};
-
-	LLNotificationsUI::LLScreenChannel* channel = LLNotificationsUI::LLChannelManager::getNotificationScreenChannel();
-	if (channel != NULL)
-	{
-		channel->closeHiddenToasts(IMToastMatcher());
-	}
-}
-// static
-void LLIMFloater::confirmLeaveCallCallback(const LLSD& notification, const LLSD& response)
-{
-	S32 option = LLNotificationsUtil::getSelectedOption(notification, response);
-	const LLSD& payload = notification["payload"];
-	LLUUID session_id = payload["session_id"];
-
-	LLFloater* im_floater = LLFloaterReg::findInstance("impanel", session_id);
-	if (option == 0 && im_floater != NULL)
-	{
-		im_floater->closeFloater();
-	}
-
-	return;
-}
-
-// static
-bool LLIMFloater::isChatMultiTab()
-{
-	// Restart is required in order to change chat window type.
-	static bool is_single_window = gSavedSettings.getS32("ChatWindow") == 1;
-	return is_single_window;
-}
-
-// static
-void LLIMFloater::initIMFloater()
-{
-	// This is called on viewer start up
-	// init chat window type before user changed it in preferences
-	isChatMultiTab();
-}
-
-//static
-void LLIMFloater::sRemoveTypingIndicator(const LLSD& data)
-{
-	LLUUID session_id = data["session_id"];
-	if (session_id.isNull()) return;
-
-	LLUUID from_id = data["from_id"];
-	if (gAgentID == from_id || LLUUID::null == from_id) return;
-
-	LLIMFloater* floater = LLIMFloater::findInstance(session_id);
-	if (!floater) return;
-
-	if (IM_NOTHING_SPECIAL != floater->mDialog) return;
-
-	floater->removeTypingIndicator();
-}
-
-void LLIMFloater::onIMChicletCreated( const LLUUID& session_id )
-{
-
-	if (isChatMultiTab())
-	{
-		LLIMFloaterContainer* im_box = LLIMFloaterContainer::getInstance();
-		if (!im_box) return;
-
-		if (LLIMFloater::findInstance(session_id)) return;
-
-		LLIMFloater* new_tab = LLIMFloater::getInstance(session_id);
-
-		im_box->addFloater(new_tab, FALSE, LLTabContainer::END);
-	}
-
-}
-
-void	LLIMFloater::onClickCloseBtn()
-{
-
-	LLIMModel::LLIMSession* session = LLIMModel::instance().findIMSession(
-				mSessionID);
-
-	if (session == NULL)
-	{
-		llwarns << "Empty session." << llendl;
-		return;
-	}
-
-	bool is_call_with_chat = session->isGroupSessionType()
-			|| session->isAdHocSessionType() || session->isP2PSessionType();
-
-	LLVoiceChannel* voice_channel = LLIMModel::getInstance()->getVoiceChannel(mSessionID);
-
-	if (is_call_with_chat && voice_channel != NULL && voice_channel->isActive())
-	{
-		LLSD payload;
-		payload["session_id"] = mSessionID;
-		LLNotificationsUtil::add("ConfirmLeaveCall", LLSD(), payload, confirmLeaveCallCallback);
-		return;
-	}
-
-	LLFloater::onClickCloseBtn();
-}
diff --git a/indra/newview/llimfloatercontainer.cpp b/indra/newview/llimfloatercontainer.cpp
deleted file mode 100644
index 0f0ae896a2..0000000000
--- a/indra/newview/llimfloatercontainer.cpp
+++ /dev/null
@@ -1,165 +0,0 @@
-/** 
- * @file llimfloatercontainer.cpp
- * @brief Multifloater containing active IM sessions in separate tab container tabs
- *
- * $LicenseInfo:firstyear=2009&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-
-#include "llviewerprecompiledheaders.h"
-
-#include "llimfloatercontainer.h"
-#include "llfloaterreg.h"
-#include "llimview.h"
-#include "llavatariconctrl.h"
-#include "llgroupiconctrl.h"
-#include "llagent.h"
-#include "lltransientfloatermgr.h"
-
-//
-// LLIMFloaterContainer
-//
-LLIMFloaterContainer::LLIMFloaterContainer(const LLSD& seed)
-:	LLMultiFloater(seed)
-{
-	mAutoResize = FALSE;
-	LLTransientFloaterMgr::getInstance()->addControlView(LLTransientFloaterMgr::IM, this);
-}
-
-LLIMFloaterContainer::~LLIMFloaterContainer()
-{
-	mNewMessageConnection.disconnect();
-	LLTransientFloaterMgr::getInstance()->removeControlView(LLTransientFloaterMgr::IM, this);
-}
-
-BOOL LLIMFloaterContainer::postBuild()
-{
-	mNewMessageConnection = LLIMModel::instance().mNewMsgSignal.connect(boost::bind(&LLIMFloaterContainer::onNewMessageReceived, this, _1));
-	// Do not call base postBuild to not connect to mCloseSignal to not close all floaters via Close button
-	// mTabContainer will be initialized in LLMultiFloater::addChild()
-	return TRUE;
-}
-
-void LLIMFloaterContainer::onOpen(const LLSD& key)
-{
-	LLMultiFloater::onOpen(key);
-/*
-	if (key.isDefined())
-	{
-		LLIMFloater* im_floater = LLIMFloater::findInstance(key.asUUID());
-		if (im_floater)
-		{
-			im_floater->openFloater();
-		}
-	}
-*/
-}
-
-void LLIMFloaterContainer::addFloater(LLFloater* floaterp, 
-									BOOL select_added_floater, 
-									LLTabContainer::eInsertionPoint insertion_point)
-{
-	if(!floaterp) return;
-
-	// already here
-	if (floaterp->getHost() == this)
-	{
-		openFloater(floaterp->getKey());
-		return;
-	}
-
-	LLMultiFloater::addFloater(floaterp, select_added_floater, insertion_point);
-
-	LLUUID session_id = floaterp->getKey();
-
-	LLIconCtrl* icon = 0;
-
-	if(gAgent.isInGroup(session_id, TRUE))
-	{
-		LLGroupIconCtrl::Params icon_params;
-		icon_params.group_id = session_id;
-		icon = LLUICtrlFactory::instance().create<LLGroupIconCtrl>(icon_params);
-
-		mSessions[session_id] = floaterp;
-		floaterp->mCloseSignal.connect(boost::bind(&LLIMFloaterContainer::onCloseFloater, this, session_id));
-	}
-	else
-	{
-		LLUUID avatar_id = LLIMModel::getInstance()->getOtherParticipantID(session_id);
-
-		LLAvatarIconCtrl::Params icon_params;
-		icon_params.avatar_id = avatar_id;
-		icon = LLUICtrlFactory::instance().create<LLAvatarIconCtrl>(icon_params);
-
-		mSessions[session_id] = floaterp;
-		floaterp->mCloseSignal.connect(boost::bind(&LLIMFloaterContainer::onCloseFloater, this, session_id));
-	}
-	mTabContainer->setTabImage(floaterp, icon);
-}
-
-void LLIMFloaterContainer::onCloseFloater(LLUUID& id)
-{
-	mSessions.erase(id);
-	setFocus(TRUE);
-}
-
-void LLIMFloaterContainer::onNewMessageReceived(const LLSD& data)
-{
-	LLUUID session_id = data["session_id"].asUUID();
-	LLFloater* floaterp = get_ptr_in_map(mSessions, session_id);
-	LLFloater* current_floater = LLMultiFloater::getActiveFloater();
-
-	if(floaterp && current_floater && floaterp != current_floater)
-	{
-		if(LLMultiFloater::isFloaterFlashing(floaterp))
-			LLMultiFloater::setFloaterFlashing(floaterp, FALSE);
-		LLMultiFloater::setFloaterFlashing(floaterp, TRUE);
-	}
-}
-
-LLIMFloaterContainer* LLIMFloaterContainer::findInstance()
-{
-	return LLFloaterReg::findTypedInstance<LLIMFloaterContainer>("im_container");
-}
-
-LLIMFloaterContainer* LLIMFloaterContainer::getInstance()
-{
-	return LLFloaterReg::getTypedInstance<LLIMFloaterContainer>("im_container");
-}
-
-void LLIMFloaterContainer::setMinimized(BOOL b)
-{
-	if (isMinimized() == b) return;
-	
-	LLMultiFloater::setMinimized(b);
-	// Hide minimized floater (see EXT-5315)
-	setVisible(!b);
-
-	if (isMinimized()) return;
-
-	if (getActiveFloater())
-	{
-		getActiveFloater()->setVisible(TRUE);
-	}
-}
-
-// EOF
diff --git a/indra/newview/llimfloatercontainer.h b/indra/newview/llimfloatercontainer.h
deleted file mode 100644
index 892ecef48d..0000000000
--- a/indra/newview/llimfloatercontainer.h
+++ /dev/null
@@ -1,70 +0,0 @@
-/** 
- * @file llimfloatercontainer.h
- * @brief Multifloater containing active IM sessions in separate tab container tabs
- *
- * $LicenseInfo:firstyear=2009&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#ifndef LL_LLIMFLOATERCONTAINER_H
-#define LL_LLIMFLOATERCONTAINER_H
-
-#include <map>
-#include <vector>
-
-#include "llfloater.h"
-#include "llmultifloater.h"
-#include "llavatarpropertiesprocessor.h"
-#include "llgroupmgr.h"
-
-class LLTabContainer;
-
-class LLIMFloaterContainer : public LLMultiFloater
-{
-public:
-	LLIMFloaterContainer(const LLSD& seed);
-	virtual ~LLIMFloaterContainer();
-	
-	/*virtual*/ BOOL postBuild();
-	/*virtual*/ void onOpen(const LLSD& key);
-	void onCloseFloater(LLUUID& id);
-
-	/*virtual*/ void addFloater(LLFloater* floaterp, 
-								BOOL select_added_floater, 
-								LLTabContainer::eInsertionPoint insertion_point = LLTabContainer::END);
-
-	static LLFloater* getCurrentVoiceFloater();
-
-	static LLIMFloaterContainer* findInstance();
-
-	static LLIMFloaterContainer* getInstance();
-
-	virtual void setMinimized(BOOL b);
-
-private:
-	typedef std::map<LLUUID,LLFloater*> avatarID_panel_map_t;
-	avatarID_panel_map_t mSessions;
-	boost::signals2::connection mNewMessageConnection;
-
-	void onNewMessageReceived(const LLSD& data);
-};
-
-#endif // LL_LLIMFLOATERCONTAINER_H
diff --git a/indra/newview/llimhandler.cpp b/indra/newview/llimhandler.cpp
index 07d73c8c66..c2b29f36e8 100644
--- a/indra/newview/llimhandler.cpp
+++ b/indra/newview/llimhandler.cpp
@@ -36,11 +36,12 @@
 
 using namespace LLNotificationsUI;
 
+extern void process_dnd_im(const LLSD& notification);
+
 //--------------------------------------------------------------------------
-LLIMHandler::LLIMHandler(e_notification_type type, const LLSD& id)
+LLIMHandler::LLIMHandler()
+:	LLCommunicationNotificationHandler("IM Notifications", "notifytoast")
 {
-	mType = type;
-
 	// Getting a Channel for our notifications
 	mChannel = LLChannelManager::getInstance()->createNotificationChannel()->getHandle();
 }
@@ -59,72 +60,57 @@ void LLIMHandler::initChannel()
 }
 
 //--------------------------------------------------------------------------
-bool LLIMHandler::processNotification(const LLSD& notify)
+bool LLIMHandler::processNotification(const LLNotificationPtr& notification)
 {
-	if(mChannel.isDead())
-	{
-		return false;
-	}
-
-	LLNotificationPtr notification = LLNotifications::instance().find(notify["id"].asUUID());
-
-	if(!notification)
-		return false;
-
-	// arrange a channel on a screen
-	if(!mChannel.get()->getVisible())
-	{
-		initChannel();
-	}
-
-	if(notify["sigtype"].asString() == "add" || notify["sigtype"].asString() == "change")
-	{
-		LLSD substitutions = notification->getSubstitutions();
-
-		// According to comments in LLIMMgr::addMessage(), if we get message
-		// from ourselves, the sender id is set to null. This fixes EXT-875.
-		LLUUID avatar_id = substitutions["FROM_ID"].asUUID();
-		if (avatar_id.isNull())
-			avatar_id = gAgentID;
-
-		LLToastIMPanel::Params im_p;
-		im_p.notification = notification;
-		im_p.avatar_id = avatar_id;
-		im_p.from = substitutions["FROM"].asString();
-		im_p.time = substitutions["TIME"].asString();
-		im_p.message = substitutions["MESSAGE"].asString();
-		im_p.session_id = substitutions["SESSION_ID"].asUUID();
-
-		LLToastIMPanel* im_box = new LLToastIMPanel(im_p);
-
-		LLToast::Params p;
-		p.notif_id = notification->getID();
-		p.session_id = im_p.session_id;
-		p.notification = notification;
-		p.panel = im_box;
-		p.can_be_stored = false;
-		p.on_delete_toast = boost::bind(&LLIMHandler::onDeleteToast, this, _1);
-		LLScreenChannel* channel = dynamic_cast<LLScreenChannel*>(mChannel.get());
-		if(channel)
-			channel->addToast(p);
-
-		// send a signal to the counter manager;
-		mNewNotificationSignal();
-	}
-	else if (notify["sigtype"].asString() == "delete")
-	{
-		mChannel.get()->killToastByNotificationID(notification->getID());
-	}
-	return false;
-}
+    if(notification->isDND())
+    {
+        LLSD data = notification->asLLSD(); //don't need this if retrieve needed data from notification getters
+        process_dnd_im(data);
+    }
+    else
+    {
+	    if(mChannel.isDead())
+	    {
+		    return false;
+	    }
+
+	    // arrange a channel on a screen
+	    if(!mChannel.get()->getVisible())
+	    {
+		    initChannel();
+	    }
+
+	    LLSD substitutions = notification->getSubstitutions();
+
+	    // According to comments in LLIMMgr::addMessage(), if we get message
+	    // from ourselves, the sender id is set to null. This fixes EXT-875.
+	    LLUUID avatar_id = substitutions["FROM_ID"].asUUID();
+	    if (avatar_id.isNull())
+		    avatar_id = gAgentID;
+
+	    LLToastIMPanel::Params im_p;
+	    im_p.notification = notification;
+	    im_p.avatar_id = avatar_id;
+	    im_p.from = substitutions["FROM"].asString();
+	    im_p.time = substitutions["TIME"].asString();
+	    im_p.message = substitutions["MESSAGE"].asString();
+	    im_p.session_id = substitutions["SESSION_ID"].asUUID();
+
+	    LLToastIMPanel* im_box = new LLToastIMPanel(im_p);
+
+	    LLToast::Params p;
+	    p.notif_id = notification->getID();
+	    p.session_id = im_p.session_id;
+	    p.notification = notification;
+	    p.panel = im_box;
+	    p.can_be_stored = false;
+	    LLScreenChannel* channel = dynamic_cast<LLScreenChannel*>(mChannel.get());
+	    if(channel)
+		    channel->addToast(p);
+    }
 
-//--------------------------------------------------------------------------
-void LLIMHandler::onDeleteToast(LLToast* toast)
-{
-	// send a signal to the counter manager
-	mDelNotificationSignal();
+	return false;
 }
 
-//--------------------------------------------------------------------------
 
 
diff --git a/indra/newview/llimpanel.cpp b/indra/newview/llimpanel.cpp
index 0250af6a0e..c64ecdc47a 100644
--- a/indra/newview/llimpanel.cpp
+++ b/indra/newview/llimpanel.cpp
@@ -171,7 +171,7 @@ LLFloaterIMPanel::LLFloaterIMPanel(const std::string& session_label,
 	// enable line history support for instant message bar
 	mInputEditor->setEnableLineHistory(TRUE);
 
-	//*TODO we probably need the same "awaiting message" thing in LLIMFloater
+	//*TODO we probably need the same "awaiting message" thing in LLFloaterIMSession
 	LLIMModel::LLIMSession* im_session = LLIMModel::getInstance()->findIMSession(mSessionUUID);
 	if (!im_session)
 	{
diff --git a/indra/newview/llimview.cpp b/indra/newview/llimview.cpp
index 4000570872..067f0d1993 100644
--- a/indra/newview/llimview.cpp
+++ b/indra/newview/llimview.cpp
@@ -29,6 +29,8 @@
 #include "llimview.h"
 
 #include "llavatarnamecache.h"	// IDEVO
+#include "llavataractions.h"
+#include "llfloaterconversationlog.h"
 #include "llfloaterreg.h"
 #include "llfontgl.h"
 #include "llgl.h"
@@ -41,14 +43,15 @@
 #include "lltextutil.h"
 #include "lltrans.h"
 #include "lluictrlfactory.h"
-
+#include "llfloaterimsessiontab.h"
 #include "llagent.h"
 #include "llagentui.h"
 #include "llappviewer.h"
 #include "llavatariconctrl.h"
 #include "llcallingcard.h"
 #include "llchat.h"
-#include "llimfloater.h"
+#include "llfloaterimsession.h"
+#include "llfloaterimcontainer.h"
 #include "llgroupiconctrl.h"
 #include "llmd5.h"
 #include "llmutelist.h"
@@ -57,12 +60,13 @@
 #include "llviewerwindow.h"
 #include "llnotifications.h"
 #include "llnotificationsutil.h"
-#include "llnearbychat.h"
+#include "llfloaterimnearbychat.h"
 #include "llspeakers.h" //for LLIMSpeakerMgr
 #include "lltextbox.h"
 #include "lltoolbarview.h"
 #include "llviewercontrol.h"
 #include "llviewerparcelmgr.h"
+#include "message.h"
 
 
 const static std::string ADHOC_NAME_SUFFIX(" Conference");
@@ -97,6 +101,39 @@ BOOL LLSessionTimeoutTimer::tick()
 	return TRUE;
 }
 
+
+
+void process_dnd_im(const LLSD& notification)
+{
+    LLSD data = notification["substitutions"];
+    LLUUID sessionID = data["SESSION_ID"].asUUID();
+
+    //re-create the IM session if needed 
+    //(when coming out of DND mode upon app restart)
+    if(!gIMMgr->hasSession(sessionID))
+    {
+        //reconstruct session using data from the notification
+        std::string name = data["FROM"];
+        LLAvatarName av_name;
+        if (LLAvatarNameCache::get(data["FROM_ID"], &av_name))
+        {
+            name = av_name.getDisplayName();
+        }
+
+        
+        LLIMModel::getInstance()->newSession(sessionID, 
+            name, 
+            IM_NOTHING_SPECIAL, 
+            data["FROM_ID"], 
+            false, 
+            false); //will need slight refactor to retrieve whether offline message or not (assume online for now)
+    }
+
+    //Flash toolbar button for now, eventually the user's preference will be taken into account
+    gToolBarView->flashCommand(LLCommandId("chat"), true);
+}
+
+
 static void on_avatar_name_cache_toast(const LLUUID& agent_id,
 									   const LLAvatarName& av_name,
 									   LLSD msg)
@@ -108,77 +145,144 @@ static void on_avatar_name_cache_toast(const LLUUID& agent_id,
 	args["FROM"] = av_name.getCompleteName();
 	args["FROM_ID"] = msg["from_id"];
 	args["SESSION_ID"] = msg["session_id"];
-	LLNotificationsUtil::add("IMToast", args, LLSD(), boost::bind(&LLIMFloater::show, msg["session_id"].asUUID()));
-}
-
-void toast_callback(const LLSD& msg){
-	// do not show toast in busy mode or it goes from agent
-	if (gAgent.getBusy() || gAgent.getID() == msg["from_id"])
-	{
-		return;
-	}
-
-	// check whether incoming IM belongs to an active session or not
-	if (LLIMModel::getInstance()->getActiveSessionID().notNull()
-			&& LLIMModel::getInstance()->getActiveSessionID() == msg["session_id"])
-	{
-		return;
-	}
-
-	// Skip toasting for system messages
-	if (msg["from_id"].asUUID() == LLUUID::null)
-	{
-		return;
-	}
-
-	// *NOTE Skip toasting if the user disable it in preferences/debug settings ~Alexandrea
-	LLIMModel::LLIMSession* session = LLIMModel::instance().findIMSession(
-				msg["session_id"]);
-	if (!gSavedSettings.getBOOL("EnableGroupChatPopups")
-			&& session->isGroupSessionType())
-	{
-		return;
-	}
-	if (!gSavedSettings.getBOOL("EnableIMChatPopups")
-			&& !session->isGroupSessionType())
-	{
-		return;
-	}
-
-	// Skip toasting if we have open window of IM with this session id
-	LLIMFloater* open_im_floater = LLIMFloater::findInstance(msg["session_id"]);
-	if (open_im_floater && open_im_floater->getVisible())
-	{
-		return;
-	}
-
-	LLAvatarNameCache::get(msg["from_id"].asUUID(),
-		boost::bind(&on_avatar_name_cache_toast,
-			_1, _2, msg));
-}
-
-void LLIMModel::setActiveSessionID(const LLUUID& session_id)
-{
-	// check if such an ID really exists
-	if (!findIMSession(session_id))
-	{
-		llwarns << "Trying to set as active a non-existent session!" << llendl;
-		return;
-	}
-
-	mActiveSessionID = session_id;
+	LLNotificationsUtil::add("IMToast", args, LLSD(), boost::bind(&LLFloaterIMContainer::showConversation, LLFloaterIMContainer::getInstance(), msg["session_id"].asUUID()));
+}
+
+void on_new_message(const LLSD& msg)
+{
+    std::string action;
+    LLUUID participant_id = msg["from_id"].asUUID();
+    LLUUID session_id = msg["session_id"].asUUID();
+    LLIMModel::LLIMSession* session = LLIMModel::instance().findIMSession(session_id);
+
+    //  determine action for this session
+
+    if (session_id.isNull())
+    {
+        action = gSavedSettings.getString("NotificationNearbyChatOptions");
+    }
+    else if(session->isP2PSessionType())
+    {
+        if (LLAvatarTracker::instance().isBuddy(participant_id))
+        {
+            action = gSavedSettings.getString("NotificationFriendIMOptions");
+        }
+        else
+        {
+            action = gSavedSettings.getString("NotificationNonFriendIMOptions");
+        }
+    }
+    else if(session->isAdHocSessionType())
+    {
+        action = gSavedSettings.getString("NotificationConferenceIMOptions");
+    }
+    else if(session->isGroupSessionType())
+    {
+        action = gSavedSettings.getString("NotificationGroupChatOptions");
+    }
+
+    // do not show notification which goes from agent
+    if (gAgent.getID() == participant_id)
+    {
+        return;
+    }
+
+    // execution of the action
+
+    LLFloaterIMContainer* im_box = LLFloaterReg::getTypedInstance<LLFloaterIMContainer>("im_container");
+    LLFloaterIMSessionTab* session_floater = LLFloaterIMSessionTab::getConversation(session_id);
+
+    //session floater not focused (visible or not)
+    bool session_floater_not_focused = session_floater && !session_floater->hasFocus();
+
+    //conv. floater is closed
+    bool conversation_floater_is_closed =
+    		!(  im_box
+    		    && im_box->isInVisibleChain()
+                && !im_box->isMinimized());
+
+    //conversation floater not focused (visible or not)
+    bool conversation_floater_not_focused =
+    		conversation_floater_is_closed || !im_box->hasFocus();
+
+    if ("toast" == action)
+    {
+        // Skip toasting and flashing if we have open window of IM with this session id
+        if (session_floater
+            && session_floater->isInVisibleChain()
+            && session_floater->hasFocus()
+            && !session_floater->isMinimized()
+            && !(session_floater->getHost() && session_floater->getHost()->isMinimized())
+            )
+        {
+            return;
+        }
+
+        //User is not focused on conversation containing the message
+        if(session_floater_not_focused)
+        {
+        	if(!LLMuteList::getInstance()->isMuted(participant_id))
+        	{
+        		im_box->flashConversationItemWidget(session_id, true);
+        	}
+            //The conversation floater isn't focused/open
+            if(conversation_floater_not_focused)
+            {
+            	if(!LLMuteList::getInstance()->isMuted(participant_id) 
+                    && !gAgent.isDoNotDisturb())
+            	{
+            		gToolBarView->flashCommand(LLCommandId("chat"), true);
+            	}
+
+                //Show IM toasts (upper right toasts)
+                // Skip toasting for system messages and for nearby chat
+                if(session_id.notNull() && participant_id.notNull())
+                {
+                    LLAvatarNameCache::get(participant_id, boost::bind(&on_avatar_name_cache_toast, _1, _2, msg));
+                }
+            }
+        }
+    }
+
+    else if ("flash" == action)
+    {
+    	if (conversation_floater_not_focused)
+    	{
+            if(session_floater_not_focused)
+            {
+            	//User is not focused on conversation containing the message
+                gToolBarView->flashCommand(LLCommandId("chat"), true);
+            }
+
+            im_box->flashConversationItemWidget(session_id, true);
+        }
+    }
+
+    else if("openconversations" == action)
+    {
+        //User is not focused on conversation containing the message
+        if(session_floater_not_focused)
+        {
+            //Flash line item
+            im_box->flashConversationItemWidget(session_id, true);
+
+            //Surface conversations floater
+            LLFloaterReg::showInstance("im_container");
+        }
+    }
 }
 
 LLIMModel::LLIMModel() 
 {
-	addNewMsgCallback(boost::bind(&LLIMFloater::newIMCallback, _1));
-	addNewMsgCallback(boost::bind(&toast_callback, _1));
+	addNewMsgCallback(boost::bind(&LLFloaterIMSession::newIMCallback, _1));
+	addNewMsgCallback(boost::bind(&on_new_message, _1));
 }
 
-LLIMModel::LLIMSession::LLIMSession(const LLUUID& session_id, const std::string& name, const EInstantMessage& type, const LLUUID& other_participant_id, const uuid_vec_t& ids, bool voice)
+LLIMModel::LLIMSession::LLIMSession(const LLUUID& session_id, const std::string& name, const EInstantMessage& type, const LLUUID& other_participant_id, const uuid_vec_t& ids, bool voice, bool has_offline_msg)
 :	mSessionID(session_id),
 	mName(name),
 	mType(type),
+	mHasOfflineMessage(has_offline_msg),
 	mParticipantUnreadMessageCount(0),
 	mNumUnread(0),
 	mOtherParticipantID(other_participant_id),
@@ -190,7 +294,8 @@ LLIMModel::LLIMSession::LLIMSession(const LLUUID& session_id, const std::string&
 	mTextIMPossible(true),
 	mOtherParticipantIsAvatar(true),
 	mStartCallOnInitialize(false),
-	mStartedAsIMCall(voice)
+	mStartedAsIMCall(voice),
+	mAvatarNameCacheConnection()
 {
 	// set P2P type by default
 	mSessionType = P2P_SESSION;
@@ -262,7 +367,7 @@ LLIMModel::LLIMSession::LLIMSession(const LLUUID& session_id, const std::string&
 		std::list<LLSD> chat_history;
 
 		//involves parsing of a chat history
-		LLLogChat::loadAllHistory(mHistoryFileName, chat_history);
+		LLLogChat::loadChatHistory(mHistoryFileName, chat_history);
 		addMessagesFromHistory(chat_history);
 	}
 
@@ -271,15 +376,15 @@ LLIMModel::LLIMSession::LLIMSession(const LLUUID& session_id, const std::string&
 	// history files have consistent (English) names in different locales.
 	if (isAdHocSessionType() && IM_SESSION_INVITE == mType)
 	{
-		LLAvatarNameCache::get(mOtherParticipantID,
-							   boost::bind(&LLIMModel::LLIMSession::onAdHocNameCache,
-							   this, _2));
+		mAvatarNameCacheConnection = LLAvatarNameCache::get(mOtherParticipantID,boost::bind(&LLIMModel::LLIMSession::onAdHocNameCache,this, _2));
 	}
 }
 
 void LLIMModel::LLIMSession::onAdHocNameCache(const LLAvatarName& av_name)
 {
-	if (av_name.mIsTemporaryName)
+	mAvatarNameCacheConnection.disconnect();
+
+	if (!av_name.isValidName())
 	{
 		S32 separator_index = mName.rfind(" ");
 		std::string name = mName.substr(0, separator_index);
@@ -375,6 +480,8 @@ void LLIMModel::LLIMSession::onVoiceChannelStateChanged(const LLVoiceChannel::ES
 				break;
 			}
 		}
+	default:
+		break;
 	}
 	// Update speakers list when connected
 	if (LLVoiceChannel::STATE_CONNECTED == new_state)
@@ -385,6 +492,11 @@ void LLIMModel::LLIMSession::onVoiceChannelStateChanged(const LLVoiceChannel::ES
 
 LLIMModel::LLIMSession::~LLIMSession()
 {
+	if (mAvatarNameCacheConnection.connected())
+	{
+		mAvatarNameCacheConnection.disconnect();
+	}
+
 	delete mSpeakers;
 	mSpeakers = NULL;
 
@@ -533,7 +645,7 @@ LLIMModel::LLIMSession* LLIMModel::findAdHocIMSession(const uuid_vec_t& ids)
 	return NULL;
 }
 
-bool LLIMModel::LLIMSession::isOutgoingAdHoc()
+bool LLIMModel::LLIMSession::isOutgoingAdHoc() const
 {
 	return IM_SESSION_CONFERENCE_START == mType;
 }
@@ -553,6 +665,19 @@ bool LLIMModel::LLIMSession::isOtherParticipantAvaline()
 	return !mOtherParticipantIsAvatar;
 }
 
+LLUUID LLIMModel::LLIMSession::generateOutgouigAdHocHash() const
+{
+	LLUUID hash = LLUUID::null;
+
+	if (mInitialTargetIDs.size())
+	{
+		std::set<LLUUID> sorted_uuids(mInitialTargetIDs.begin(), mInitialTargetIDs.end());
+		hash = generateHash(sorted_uuids);
+	}
+
+	return hash;
+}
+
 void LLIMModel::LLIMSession::buildHistoryFileName()
 {
 	mHistoryFileName = mName;
@@ -569,7 +694,7 @@ void LLIMModel::LLIMSession::buildHistoryFileName()
 		if (mInitialTargetIDs.size())
 		{
 			std::set<LLUUID> sorted_uuids(mInitialTargetIDs.begin(), mInitialTargetIDs.end());
-			mHistoryFileName = mName + " hash" + generateHash(sorted_uuids);
+			mHistoryFileName = mName + " hash" + generateHash(sorted_uuids).asString();
 		}
 		else
 		{
@@ -584,15 +709,7 @@ void LLIMModel::LLIMSession::buildHistoryFileName()
 		// so no need for a callback in LLAvatarNameCache::get()
 		if (LLAvatarNameCache::get(mOtherParticipantID, &av_name))
 		{
-			if (av_name.mUsername.empty())
-			{
-				// Display names are off, use mDisplayName which will be the legacy name
-				mHistoryFileName = LLCacheName::buildUsername(av_name.mDisplayName);
-			}
-			else
-			{
-				mHistoryFileName =  av_name.mUsername;
-			}
+			mHistoryFileName = LLCacheName::buildUsername(av_name.getUserName());
 		}
 		else
 		{
@@ -603,7 +720,7 @@ void LLIMModel::LLIMSession::buildHistoryFileName()
 }
 
 //static
-std::string LLIMModel::LLIMSession::generateHash(const std::set<LLUUID>& sorted_uuids)
+LLUUID LLIMModel::LLIMSession::generateHash(const std::set<LLUUID>& sorted_uuids)
 {
 	LLMD5 md5_uuid;
 	
@@ -617,7 +734,7 @@ std::string LLIMModel::LLIMSession::generateHash(const std::set<LLUUID>& sorted_
 
 	LLUUID participants_md5_hash;
 	md5_uuid.raw_digest((unsigned char*) participants_md5_hash.mData);
-	return participants_md5_hash.asString();
+	return participants_md5_hash;
 }
 
 void LLIMModel::processSessionInitializedReply(const LLUUID& old_session_id, const LLUUID& new_session_id)
@@ -631,16 +748,19 @@ void LLIMModel::processSessionInitializedReply(const LLUUID& old_session_id, con
 		{
 			mId2SessionMap.erase(old_session_id);
 			mId2SessionMap[new_session_id] = session;
-
-			gIMMgr->notifyObserverSessionIDUpdated(old_session_id, new_session_id);
 		}
 
-		LLIMFloater* im_floater = LLIMFloater::findInstance(old_session_id);
+		LLFloaterIMSession* im_floater = LLFloaterIMSession::findInstance(old_session_id);
 		if (im_floater)
 		{
 			im_floater->sessionInitReplyReceived(new_session_id);
 		}
 
+		if (old_session_id != new_session_id)
+		{
+			gIMMgr->notifyObserverSessionIDUpdated(old_session_id, new_session_id);
+		}
+
 		// auto-start the call on session initialization?
 		if (session->mStartCallOnInitialize)
 		{
@@ -676,7 +796,7 @@ void LLIMModel::testMessages()
 
 //session name should not be empty
 bool LLIMModel::newSession(const LLUUID& session_id, const std::string& name, const EInstantMessage& type, 
-						   const LLUUID& other_participant_id, const uuid_vec_t& ids, bool voice)
+						   const LLUUID& other_participant_id, const uuid_vec_t& ids, bool voice, bool has_offline_msg)
 {
 	if (name.empty())
 	{
@@ -690,22 +810,22 @@ bool LLIMModel::newSession(const LLUUID& session_id, const std::string& name, co
 		return false;
 	}
 
-	LLIMSession* session = new LLIMSession(session_id, name, type, other_participant_id, ids, voice);
+	LLIMSession* session = new LLIMSession(session_id, name, type, other_participant_id, ids, voice, has_offline_msg);
 	mId2SessionMap[session_id] = session;
 
 	// When notifying observer, name of session is used instead of "name", because they may not be the
 	// same if it is an adhoc session (in this case name is localized in LLIMSession constructor).
 	std::string session_name = LLIMModel::getInstance()->getName(session_id);
-	LLIMMgr::getInstance()->notifyObserverSessionAdded(session_id, session_name, other_participant_id);
+	LLIMMgr::getInstance()->notifyObserverSessionAdded(session_id, session_name, other_participant_id,has_offline_msg);
 
 	return true;
 
 }
 
-bool LLIMModel::newSession(const LLUUID& session_id, const std::string& name, const EInstantMessage& type, const LLUUID& other_participant_id, bool voice)
+bool LLIMModel::newSession(const LLUUID& session_id, const std::string& name, const EInstantMessage& type, const LLUUID& other_participant_id, bool voice, bool has_offline_msg)
 {
 	uuid_vec_t no_ids;
-	return newSession(session_id, name, type, other_participant_id, no_ids, voice);
+	return newSession(session_id, name, type, other_participant_id, no_ids, voice, has_offline_msg);
 }
 
 bool LLIMModel::clearSession(const LLUUID& session_id)
@@ -716,6 +836,16 @@ bool LLIMModel::clearSession(const LLUUID& session_id)
 	return true;
 }
 
+void LLIMModel::getMessages(const LLUUID& session_id, std::list<LLSD>& messages, int start_index, const bool sendNoUnreadMsgs)
+{
+	getMessagesSilently(session_id, messages, start_index);
+
+	if (sendNoUnreadMsgs)
+	{
+		sendNoUnreadMessages(session_id);
+	}
+}
+
 void LLIMModel::getMessagesSilently(const LLUUID& session_id, std::list<LLSD>& messages, int start_index)
 {
 	LLIMSession* session = findIMSession(session_id);
@@ -757,13 +887,6 @@ void LLIMModel::sendNoUnreadMessages(const LLUUID& session_id)
 	mNoUnreadMsgsSignal(arg);
 }
 
-void LLIMModel::getMessages(const LLUUID& session_id, std::list<LLSD>& messages, int start_index)
-{
-	getMessagesSilently(session_id, messages, start_index);
-
-	sendNoUnreadMessages(session_id);
-}
-
 bool LLIMModel::addToHistory(const LLUUID& session_id, const std::string& from, const LLUUID& from_id, const std::string& utf8_text) {
 	
 	LLIMSession* session = findIMSession(session_id);
@@ -781,14 +904,15 @@ bool LLIMModel::addToHistory(const LLUUID& session_id, const std::string& from,
 
 bool LLIMModel::logToFile(const std::string& file_name, const std::string& from, const LLUUID& from_id, const std::string& utf8_text)
 {
-	if (gSavedPerAccountSettings.getBOOL("LogInstantMessages"))
+	if (gSavedPerAccountSettings.getBOOL("LogInstantMessages")
+			&& gSavedSettings.getBOOL("KeepConversationLogTranscripts"))
 	{	
 		std::string from_name = from;
 
 		LLAvatarName av_name;
 		if (!from_id.isNull() && 
 			LLAvatarNameCache::get(from_id, &av_name) &&
-			!av_name.mIsDisplayNameDefault)
+			!av_name.isDisplayNameDefault())
 		{	
 			from_name = av_name.getCompleteName();
 		}
@@ -878,7 +1002,7 @@ const std::string LLIMModel::getName(const LLUUID& session_id) const
 {
 	LLIMSession* session = findIMSession(session_id);
 
-	if (!session) 
+	if (!session)
 	{
 		llwarns << "session " << session_id << "does not exist " << llendl;
 		return LLTrans::getString("no_session_message");
@@ -904,7 +1028,7 @@ const LLUUID& LLIMModel::getOtherParticipantID(const LLUUID& session_id) const
 	LLIMSession* session = findIMSession(session_id);
 	if (!session)
 	{
-		llwarns << "session " << session_id << "does not exist " << llendl;
+		llwarns << "session " << session_id << " does not exist " << llendl;
 		return LLUUID::null;
 	}
 
@@ -1376,7 +1500,7 @@ public:
 				&& LLIMModel::getInstance()->findIMSession(mSessionID))
 			{
 				// TODO remove in 2010, for voice calls we do not open an IM window
-				//LLIMFloater::show(mSessionID);
+				//LLFloaterIMSession::show(mSessionID);
 			}
 
 			gIMMgr->clearPendingAgentListUpdates(mSessionID);
@@ -1520,7 +1644,7 @@ LLIMMgr::onConfirmForceCloseError(
 	//only 1 option really
 	LLUUID session_id = notification["payload"]["session_id"];
 
-	LLFloater* floater = LLIMFloater::findInstance(session_id);
+	LLFloater* floater = LLFloaterIMSession::findInstance(session_id);
 	if ( floater )
 	{
 		floater->closeFloater(FALSE);
@@ -1878,7 +2002,7 @@ void LLOutgoingCallDialog::show(const LLSD& key)
 		LLAvatarName av_name;
 		if (LLAvatarNameCache::get(callee_id, &av_name))
 		{
-			final_callee_name = av_name.mDisplayName;
+			final_callee_name = av_name.getDisplayName();
 			title = av_name.getCompleteName();
 		}
 	}
@@ -1980,7 +2104,8 @@ BOOL LLOutgoingCallDialog::postBuild()
 //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 LLIncomingCallDialog::LLIncomingCallDialog(const LLSD& payload) :
-LLCallDialog(payload)
+LLCallDialog(payload),
+mAvatarNameCacheConnection()
 {
 }
 
@@ -2050,9 +2175,11 @@ BOOL LLIncomingCallDialog::postBuild()
 	else
 	{
 		// Get the full name information
-		LLAvatarNameCache::get(caller_id,
-			boost::bind(&LLIncomingCallDialog::onAvatarNameCache,
-				this, _1, _2, call_type));
+		if (mAvatarNameCacheConnection.connected())
+		{
+			mAvatarNameCacheConnection.disconnect();
+		}
+		mAvatarNameCacheConnection = LLAvatarNameCache::get(caller_id, boost::bind(&LLIncomingCallDialog::onAvatarNameCache, this, _1, _2, call_type));
 	}
 
 	setIcon(session_id, caller_id);
@@ -2078,7 +2205,6 @@ BOOL LLIncomingCallDialog::postBuild()
 	getChildView("Start IM")->setVisible( is_avatar && notify_box_type != "VoiceInviteAdHoc" && notify_box_type != "VoiceInviteGroup");
 
 	setCanDrag(FALSE);
-
 	return TRUE;
 }
 
@@ -2086,7 +2212,6 @@ void LLIncomingCallDialog::setCallerName(const std::string& ui_title,
 										 const std::string& ui_label,
 										 const std::string& call_type)
 {
-	setTitle(ui_title);
 
 	// call_type may be a string like " is calling."
 	LLUICtrl* caller_name_widget = getChild<LLUICtrl>("caller name");
@@ -2097,14 +2222,15 @@ void LLIncomingCallDialog::onAvatarNameCache(const LLUUID& agent_id,
 											 const LLAvatarName& av_name,
 											 const std::string& call_type)
 {
+	mAvatarNameCacheConnection.disconnect();
 	std::string title = av_name.getCompleteName();
-	setCallerName(title, av_name.mDisplayName, call_type);
+	setCallerName(title, av_name.getCompleteName(), call_type);
 }
 
 void LLIncomingCallDialog::onOpen(const LLSD& key)
 {
 	LLCallDialog::onOpen(key);
-
+	make_ui_sound("UISndStartIM");
 	LLStringUtil::format_map_t args;
 	LLGroupData data;
 	// if it's a group call, retrieve group name to use it in question
@@ -2112,18 +2238,6 @@ void LLIncomingCallDialog::onOpen(const LLSD& key)
 	{
 		args["[GROUP]"] = data.mName;
 	}
-	// tell the user which voice channel they would be leaving
-	LLVoiceChannel *voice = LLVoiceChannel::getCurrentVoiceChannel();
-	if (voice && !voice->getSessionName().empty())
-	{
-		args["[CURRENT_CHAT]"] = voice->getSessionName();
-		getChild<LLUICtrl>("question")->setValue(getString(key["question_type"].asString(), args));
-	}
-	else
-	{
-		args["[CURRENT_CHAT]"] = getString("localchat");
-		getChild<LLUICtrl>("question")->setValue(getString(key["question_type"].asString(), args));
-	}
 }
 
 //static
@@ -2184,6 +2298,10 @@ void LLIncomingCallDialog::processCallResponse(S32 response, const LLSD &payload
 			{
 				gIMMgr->startCall(session_id, LLVoiceChannel::INCOMING_CALL);
 			}
+			else
+			{
+				LLAvatarActions::startIM(caller_id);
+			}
 
 			gIMMgr->clearPendingAgentListUpdates(session_id);
 			gIMMgr->clearPendingInvitation(session_id);
@@ -2386,7 +2504,7 @@ LLIMMgr::LLIMMgr()
 	mPendingInvitations = LLSD::emptyMap();
 	mPendingAgentListUpdates = LLSD::emptyMap();
 
-	LLIMModel::getInstance()->addNewMsgCallback(boost::bind(&LLIMFloater::sRemoveTypingIndicator, _1));
+	LLIMModel::getInstance()->addNewMsgCallback(boost::bind(&LLFloaterIMSession::sRemoveTypingIndicator, _1));
 }
 
 // Add a message to a session. 
@@ -2395,6 +2513,7 @@ void LLIMMgr::addMessage(
 	const LLUUID& target_id,
 	const std::string& from,
 	const std::string& msg,
+	bool  is_offline_msg,
 	const std::string& session_name,
 	EInstantMessage dialog,
 	U32 parent_estate_id,
@@ -2410,17 +2529,43 @@ void LLIMMgr::addMessage(
 		new_session_id = computeSessionID(dialog, other_participant_id);
 	}
 
+	// Open conversation log if offline messages are present and user allows a Call Log
+	if (is_offline_msg)
+    {
+		if (gSavedSettings.getBOOL("KeepConversationLogTranscripts"))
+		{
+			LLFloaterConversationLog* floater_log =
+					LLFloaterReg::getTypedInstance<LLFloaterConversationLog>("conversation");
+			if (floater_log && !(floater_log->isFrontmost()))
+			{
+				floater_log->openFloater();
+				floater_log->setFrontmost(TRUE);
+			}
+		}
+		else
+		{
+           gToolBarView->flashCommand(LLCommandId("chat"), true);
+		}
+    }
+
 	//*NOTE session_name is empty in case of incoming P2P sessions
 	std::string fixed_session_name = from;
+	bool name_is_setted = false;
 	if(!session_name.empty() && session_name.size()>1)
 	{
 		fixed_session_name = session_name;
+		name_is_setted = true;
 	}
 
 	bool new_session = !hasSession(new_session_id);
 	if (new_session)
 	{
-		LLIMModel::getInstance()->newSession(new_session_id, fixed_session_name, dialog, other_participant_id);
+		LLAvatarName av_name;
+		if (LLAvatarNameCache::get(other_participant_id, &av_name) && !name_is_setted)
+		{
+			fixed_session_name = av_name.getDisplayName();
+		}
+		LLIMModel::getInstance()->newSession(new_session_id, fixed_session_name, dialog, other_participant_id, false, is_offline_msg);
 
 		// When we get a new IM, and if you are a god, display a bit
 		// of information about the source. This is to help liaisons
@@ -2455,7 +2600,11 @@ void LLIMMgr::addMessage(
 			return;
 		}
 
-		make_ui_sound("UISndNewIncomingIMSession");
+        //Play sound for new conversations
+		if (!gAgent.isDoNotDisturb() && (gSavedSettings.getBOOL("PlaySoundNewConversation") == TRUE))
+        {
+            make_ui_sound("UISndNewIncomingIMSession");
+        }
 	}
 
 	bool skip_message = (gSavedSettings.getBOOL("VoiceCallsFriendsOnly") &&
@@ -2479,11 +2628,9 @@ void LLIMMgr::addSystemMessage(const LLUUID& session_id, const std::string& mess
 
 		LLChat chat(message);
 		chat.mSourceType = CHAT_SOURCE_SYSTEM;
-		
-		LLFloater* chat_bar = LLFloaterReg::getInstance("chat_bar");
-		LLNearbyChat* nearby_chat = chat_bar->findChild<LLNearbyChat>("nearby_chat");
 
-		if(nearby_chat)
+		LLFloaterIMNearbyChat* nearby_chat = LLFloaterReg::findTypedInstance<LLFloaterIMNearbyChat>("nearby_chat");
+		if (nearby_chat)
 		{
 			nearby_chat->addMessage(chat);
 		}
@@ -2497,6 +2644,7 @@ void LLIMMgr::addSystemMessage(const LLUUID& session_id, const std::string& mess
 			gIMMgr->addMessage(session_id, LLUUID::null, SYSTEM_FROM, message.getString());
 		}
 		// log message to file
+
 		else
 		{
 			std::string session_name;
@@ -2579,7 +2727,8 @@ LLUUID LLIMMgr::addSession(
 {
 	LLDynamicArray<LLUUID> ids;
 	ids.put(other_participant_id);
-	return addSession(name, dialog, other_participant_id, ids, voice);
+	LLUUID session_id = addSession(name, dialog, other_participant_id, ids, voice);
+	return session_id;
 }
 
 // Adds a session using the given session_id.  If the session already exists 
@@ -2588,7 +2737,8 @@ LLUUID LLIMMgr::addSession(
 	const std::string& name,
 	EInstantMessage dialog,
 	const LLUUID& other_participant_id,
-	const LLDynamicArray<LLUUID>& ids, bool voice)
+	const LLDynamicArray<LLUUID>& ids, bool voice,
+	const LLUUID& floater_id)
 {
 	if (0 == ids.getLength())
 	{
@@ -2603,6 +2753,20 @@ LLUUID LLIMMgr::addSession(
 
 	LLUUID session_id = computeSessionID(dialog,other_participant_id);
 
+	if (floater_id.notNull())
+	{
+		LLFloaterIMSession* im_floater = LLFloaterIMSession::findInstance(floater_id);
+
+		if (im_floater)
+		{
+			// The IM floater should be initialized with a new session_id
+			// so that it is found by that id when creating a chiclet in LLFloaterIMSession::onIMChicletCreated,
+			// and a new floater is not created.
+			im_floater->initIMSession(session_id);
+            im_floater->reloadMessages();
+		}
+	}
+
 	bool new_session = !LLIMModel::getInstance()->findIMSession(session_id);
 
 	//works only for outgoing ad-hoc sessions
@@ -2616,10 +2780,17 @@ LLUUID LLIMMgr::addSession(
 		}
 	}
 
+    //Notify observers that a session was added
 	if (new_session)
 	{
 		LLIMModel::getInstance()->newSession(session_id, name, dialog, other_participant_id, ids, voice);
 	}
+    //Notifies observers that the session was already added
+    else
+    {
+        std::string session_name = LLIMModel::getInstance()->getName(session_id);
+        LLIMMgr::getInstance()->notifyObserverSessionActivated(session_id, session_name, other_participant_id);
+    }
 
 	//we don't need to show notes about online/offline, mute/unmute users' statuses for existing sessions
 	if (!new_session) return session_id;
@@ -2634,6 +2805,8 @@ LLUUID LLIMMgr::addSession(
 		noteMutedUsers(session_id, ids);
 	}
 
+	notifyObserverSessionVoiceOrIMStarted(session_id);
+
 	return session_id;
 }
 
@@ -2739,12 +2912,17 @@ void LLIMMgr::inviteToSession(
 
 	if (voice_invite)
 	{
-		if	(	// if we are rejecting group calls 
-				(gSavedSettings.getBOOL("VoiceCallsRejectGroup") && notify_box_type == "VoiceInviteGroup") ||
-				// or we're rejecting non-friend voice calls and this isn't a friend	
-				(gSavedSettings.getBOOL("VoiceCallsFriendsOnly") && (LLAvatarTracker::instance().getBuddyInfo(caller_id) == NULL))
-			)
+		bool isRejectGroupCall = (gSavedSettings.getBOOL("VoiceCallsRejectGroup") && (notify_box_type == "VoiceInviteGroup"));
+		bool isRejectNonFriendCall = (gSavedSettings.getBOOL("VoiceCallsFriendsOnly") && (LLAvatarTracker::instance().getBuddyInfo(caller_id) == NULL));
+		bool isRejectDoNotDisturb = (gAgent.isDoNotDisturb() && !hasSession(session_id));
+		if	(isRejectGroupCall || isRejectNonFriendCall || isRejectDoNotDisturb)
 		{
+			if (isRejectDoNotDisturb && !isRejectGroupCall && !isRejectNonFriendCall)
+			{
+				LLSD args;
+				addSystemMessage(session_id, "you_auto_rejected_call", args);
+				send_do_not_disturb_message(gMessageSystem, caller_id, session_id);
+			}
 			// silently decline the call
 			LLIncomingCallDialog::processCallResponse(1, payload);
 			return;
@@ -2806,7 +2984,7 @@ void LLIMMgr::clearPendingInvitation(const LLUUID& session_id)
 
 void LLIMMgr::processAgentListUpdates(const LLUUID& session_id, const LLSD& body)
 {
-	LLIMFloater* im_floater = LLIMFloater::findInstance(session_id);
+	LLFloaterIMSession* im_floater = LLFloaterIMSession::findInstance(session_id);
 	if ( im_floater )
 	{
 		im_floater->processAgentListUpdates(body);
@@ -2912,11 +3090,27 @@ void LLIMMgr::clearPendingAgentListUpdates(const LLUUID& session_id)
 	}
 }
 
-void LLIMMgr::notifyObserverSessionAdded(const LLUUID& session_id, const std::string& name, const LLUUID& other_participant_id)
+void LLIMMgr::notifyObserverSessionAdded(const LLUUID& session_id, const std::string& name, const LLUUID& other_participant_id, bool has_offline_msg)
+{
+	for (session_observers_list_t::iterator it = mSessionObservers.begin(); it != mSessionObservers.end(); it++)
+	{
+		(*it)->sessionAdded(session_id, name, other_participant_id, has_offline_msg);
+	}
+}
+
+void LLIMMgr::notifyObserverSessionActivated(const LLUUID& session_id, const std::string& name, const LLUUID& other_participant_id)
+{
+    for (session_observers_list_t::iterator it = mSessionObservers.begin(); it != mSessionObservers.end(); it++)
+    {
+        (*it)->sessionActivated(session_id, name, other_participant_id);
+    }
+}
+
+void LLIMMgr::notifyObserverSessionVoiceOrIMStarted(const LLUUID& session_id)
 {
 	for (session_observers_list_t::iterator it = mSessionObservers.begin(); it != mSessionObservers.end(); it++)
 	{
-		(*it)->sessionAdded(session_id, name, other_participant_id);
+		(*it)->sessionVoiceOrIMStarted(session_id);
 	}
 }
 
@@ -3016,7 +3210,7 @@ void LLIMMgr::noteOfflineUsers(
 			{
 				LLUIString offline = LLTrans::getString("offline_message");
 				// Use display name only because this user is your friend
-				offline.setArg("[NAME]", av_name.mDisplayName);
+				offline.setArg("[NAME]", av_name.getDisplayName());
 				im_model.proccessOnlineOfflineNotification(session_id, offline);
 			}
 		}
@@ -3064,7 +3258,7 @@ void LLIMMgr::processIMTypingStop(const LLIMInfo* im_info)
 void LLIMMgr::processIMTypingCore(const LLIMInfo* im_info, BOOL typing)
 {
 	LLUUID session_id = computeSessionID(im_info->mIMType, im_info->mFromID);
-	LLIMFloater* im_floater = LLIMFloater::findInstance(session_id);
+	LLFloaterIMSession* im_floater = LLFloaterIMSession::findInstance(session_id);
 	if ( im_floater )
 	{
 		im_floater->processIMTyping(im_info, typing);
@@ -3109,7 +3303,7 @@ public:
 				speaker_mgr->updateSpeakers(gIMMgr->getPendingAgentListUpdates(session_id));
 			}
 
-			LLIMFloater* im_floater = LLIMFloater::findInstance(session_id);
+			LLFloaterIMSession* im_floater = LLFloaterIMSession::findInstance(session_id);
 			if ( im_floater )
 			{
 				if ( body.has("session_info") )
@@ -3203,7 +3397,7 @@ public:
 		const LLSD& input) const
 	{
 		LLUUID session_id = input["body"]["session_id"].asUUID();
-		LLIMFloater* im_floater = LLIMFloater::findInstance(session_id);
+		LLFloaterIMSession* im_floater = LLFloaterIMSession::findInstance(session_id);
 		if ( im_floater )
 		{
 			im_floater->processSessionUpdate(input["body"]["info"]);
@@ -3248,13 +3442,13 @@ public:
 			time_t timestamp =
 				(time_t) message_params["timestamp"].asInteger();
 
-			BOOL is_busy = gAgent.getBusy();
+			BOOL is_do_not_disturb = gAgent.isDoNotDisturb();
 			BOOL is_muted = LLMuteList::getInstance()->isMuted(
 				from_id,
 				name,
 				LLMute::flagTextChat);
 
-			if (is_busy || is_muted)
+			if (is_do_not_disturb || is_muted)
 			{
 				return;
 			}
@@ -3279,6 +3473,7 @@ public:
 				from_id,
 				name,
 				buffer,
+				IM_OFFLINE == offline,
 				std::string((char*)&bin_bucket[0]),
 				IM_SESSION_INVITE,
 				message_params["parent_estate_id"].asInteger(),
diff --git a/indra/newview/llimview.h b/indra/newview/llimview.h
index 7c2cd03d97..8578fa8c06 100644
--- a/indra/newview/llimview.h
+++ b/indra/newview/llimview.h
@@ -27,7 +27,7 @@
 #ifndef LL_LLIMVIEW_H
 #define LL_LLIMVIEW_H
 
-#include "lldockablefloater.h"
+#include "../llui/lldockablefloater.h"
 #include "lleventtimer.h"
 #include "llinstantmessage.h"
 
@@ -70,10 +70,11 @@ public:
 			GROUP_SESSION,
 			ADHOC_SESSION,
 			AVALINE_SESSION,
+			NONE_SESSION,
 		} SType;
 
 		LLIMSession(const LLUUID& session_id, const std::string& name, 
-			const EInstantMessage& type, const LLUUID& other_participant_id, const uuid_vec_t& ids, bool voice);
+			const EInstantMessage& type, const LLUUID& other_participant_id, const uuid_vec_t& ids, bool voice, bool has_offline_msg);
 		virtual ~LLIMSession();
 
 		void sessionInitReplyReceived(const LLUUID& new_session_id);
@@ -84,7 +85,7 @@ public:
 		/** @deprecated */
 		static void chatFromLogFile(LLLogChat::ELogLineType type, const LLSD& msg, void* userdata);
 
-		bool isOutgoingAdHoc();
+		bool isOutgoingAdHoc() const;
 		bool isAdHoc();
 		bool isP2P();
 		bool isOtherParticipantAvaline();
@@ -94,6 +95,8 @@ public:
 		bool isGroupSessionType() const { return mSessionType == GROUP_SESSION;}
 		bool isAvalineSessionType() const { return mSessionType == AVALINE_SESSION;}
 
+		LLUUID generateOutgouigAdHocHash() const;
+
 		//*TODO make private
 		/** ad-hoc sessions involve sophisticated chat history file naming schemes */
 		void buildHistoryFileName();
@@ -133,22 +136,18 @@ public:
 		//if IM session is created for a voice call
 		bool mStartedAsIMCall;
 
+		bool mHasOfflineMessage;
+
 	private:
 		void onAdHocNameCache(const LLAvatarName& av_name);
 
-		static std::string generateHash(const std::set<LLUUID>& sorted_uuids);
+		static LLUUID generateHash(const std::set<LLUUID>& sorted_uuids);
+		boost::signals2::connection mAvatarNameCacheConnection;
 	};
 	
 
 	LLIMModel();
 
-
-	//we should control the currently active session
-	LLUUID	mActiveSessionID;
-	void	setActiveSessionID(const LLUUID& session_id);
-	void	resetActiveSessionID() { mActiveSessionID.setNull(); }
-	LLUUID	getActiveSessionID() { return mActiveSessionID; }
-
 	/** Session id to session object */
 	std::map<LLUUID, LLIMSession*> mId2SessionMap;
 
@@ -181,10 +180,10 @@ public:
 	 * @param name session name should not be empty, will return false if empty
 	 */
 	bool newSession(const LLUUID& session_id, const std::string& name, const EInstantMessage& type, const LLUUID& other_participant_id, 
-		const uuid_vec_t& ids, bool voice = false);
+		const uuid_vec_t& ids, bool voice = false, bool has_offline_msg = false);
 
 	bool newSession(const LLUUID& session_id, const std::string& name, const EInstantMessage& type,
-		const LLUUID& other_participant_id, bool voice = false);
+		const LLUUID& other_participant_id, bool voice = false, bool has_offline_msg = false);
 
 	/**
 	 * Remove all session data associated with a session specified by session_id
@@ -192,12 +191,6 @@ public:
 	bool clearSession(const LLUUID& session_id);
 
 	/**
-	 * Populate supplied std::list with messages starting from index specified by start_index without
-	 * emitting no unread messages signal.
-	 */
-	void getMessagesSilently(const LLUUID& session_id, std::list<LLSD>& messages, int start_index = 0);
-
-	/**
 	 * Sends no unread messages signal.
 	 */
 	void sendNoUnreadMessages(const LLUUID& session_id);
@@ -205,7 +198,7 @@ public:
 	/**
 	 * Populate supplied std::list with messages starting from index specified by start_index
 	 */
-	void getMessages(const LLUUID& session_id, std::list<LLSD>& messages, int start_index = 0);
+	void getMessages(const LLUUID& session_id, std::list<LLSD>& messages, int start_index = 0, const bool sendNoUnreadMsgs = true);
 
 	/**
 	 * Add a message to an IM Model - the message is saved in a message store associated with a session specified by session_id
@@ -288,6 +281,12 @@ public:
 private:
 	
 	/**
+	 * Populate supplied std::list with messages starting from index specified by start_index without
+	 * emitting no unread messages signal.
+	 */
+	void getMessagesSilently(const LLUUID& session_id, std::list<LLSD>& messages, int start_index = 0);
+
+	/**
 	 * Add message to a list of message associated with session specified by session_id
 	 */
 	bool addToHistory(const LLUUID& session_id, const std::string& from, const LLUUID& from_id, const std::string& utf8_text);
@@ -297,7 +296,9 @@ class LLIMSessionObserver
 {
 public:
 	virtual ~LLIMSessionObserver() {}
-	virtual void sessionAdded(const LLUUID& session_id, const std::string& name, const LLUUID& other_participant_id) = 0;
+	virtual void sessionAdded(const LLUUID& session_id, const std::string& name, const LLUUID& other_participant_id, BOOL has_offline_msg) = 0;
+    virtual void sessionActivated(const LLUUID& session_id, const std::string& name, const LLUUID& other_participant_id) = 0;
+	virtual void sessionVoiceOrIMStarted(const LLUUID& session_id) = 0;
 	virtual void sessionRemoved(const LLUUID& session_id) = 0;
 	virtual void sessionIDUpdated(const LLUUID& old_session_id, const LLUUID& new_session_id) = 0;
 };
@@ -324,6 +325,7 @@ public:
 					const LLUUID& target_id,
 					const std::string& from,
 					const std::string& msg,
+					bool  is_offline_msg = false,
 					const std::string& session_name = LLStringUtil::null,
 					EInstantMessage dialog = IM_NOTHING_SPECIAL,
 					U32 parent_estate_id = 0,
@@ -347,10 +349,12 @@ public:
 
 	// Adds a session using a specific group of starting agents
 	// the dialog type is assumed correct. Returns the uuid of the session.
+	// A session can be added to a floater specified by floater_id.
 	LLUUID addSession(const std::string& name,
 					  EInstantMessage dialog,
 					  const LLUUID& other_participant_id,
-					  const LLDynamicArray<LLUUID>& ids, bool voice = false);
+					  const LLDynamicArray<LLUUID>& ids, bool voice = false,
+					  const LLUUID& floater_id = LLUUID::null);
 
 	/**
 	 * Creates a P2P session with the requisite handle for responding to voice calls.
@@ -459,7 +463,10 @@ private:
 
 	static void onInviteNameLookup(LLSD payload, const LLUUID& id, const std::string& name, bool is_group);
 
-	void notifyObserverSessionAdded(const LLUUID& session_id, const std::string& name, const LLUUID& other_participant_id);
+	void notifyObserverSessionAdded(const LLUUID& session_id, const std::string& name, const LLUUID& other_participant_id, bool has_offline_msg);
+    //Triggers when a session has already been added
+    void notifyObserverSessionActivated(const LLUUID& session_id, const std::string& name, const LLUUID& other_participant_id);
+	void notifyObserverSessionVoiceOrIMStarted(const LLUUID& session_id);
 	void notifyObserverSessionRemoved(const LLUUID& session_id);
 	void notifyObserverSessionIDUpdated(const LLUUID& old_session_id, const LLUUID& new_session_id);
 
@@ -541,7 +548,14 @@ class LLIncomingCallDialog : public LLCallDialog
 {
 public:
 	LLIncomingCallDialog(const LLSD& payload);
-
+	~LLIncomingCallDialog()
+	{
+		if (mAvatarNameCacheConnection.connected())
+		{
+			mAvatarNameCacheConnection.disconnect();
+		}
+	}
+	
 	/*virtual*/ BOOL postBuild();
 	/*virtual*/ void onOpen(const LLSD& key);
 
@@ -558,6 +572,8 @@ private:
 		const LLAvatarName& av_name,
 		const std::string& call_type);
 
+	boost::signals2::connection mAvatarNameCacheConnection;
+
 	/*virtual*/ void onLifetimeExpired();
 };
 
diff --git a/indra/newview/llinspectavatar.cpp b/indra/newview/llinspectavatar.cpp
index 17d0b0ffbb..26d3a2bd12 100644
--- a/indra/newview/llinspectavatar.cpp
+++ b/indra/newview/llinspectavatar.cpp
@@ -28,38 +28,21 @@
 #include "llinspectavatar.h"
 
 // viewer files
-#include "llagent.h"
-#include "llagentdata.h"
-#include "llavataractions.h"
+#include "llavatariconctrl.h"
 #include "llavatarnamecache.h"
 #include "llavatarpropertiesprocessor.h"
-#include "llcallingcard.h"
 #include "lldateutil.h"
-#include "llfloaterreporter.h"
-#include "llfloaterworldmap.h"
-#include "llimview.h"
 #include "llinspect.h"
-#include "llmutelist.h"
-#include "llpanelblockedlist.h"
+#include "llslurl.h"
 #include "llstartup.h"
-#include "llspeakers.h"
-#include "llviewermenu.h"
-#include "llvoiceclient.h"
-#include "llviewerobjectlist.h"
 #include "lltransientfloatermgr.h"
-#include "llnotificationsutil.h"
 
 // Linden libraries
 #include "llfloater.h"
 #include "llfloaterreg.h"
-#include "llmenubutton.h"
 #include "lltextbox.h"
-#include "lltoggleablemenu.h"
 #include "lltooltip.h"	// positionViewNearMouse()
 #include "lltrans.h"
-#include "lluictrl.h"
-
-#include "llavatariconctrl.h"
 
 class LLFetchAvatarData;
 
@@ -81,22 +64,13 @@ public:
 	LLInspectAvatar(const LLSD& avatar_id);
 	virtual ~LLInspectAvatar();
 	
-	/*virtual*/ BOOL postBuild(void);
-	
 	// Because floater is single instance, need to re-parse data on each spawn
 	// (for example, inspector about same avatar but in different position)
 	/*virtual*/ void onOpen(const LLSD& avatar_id);
 
-	// When closing they should close their gear menu 
-	/*virtual*/ void onClose(bool app_quitting);
-	
 	// Update view based on information from avatar properties processor
 	void processAvatarData(LLAvatarData* data);
 	
-	// override the inspector mouse leave so timer is only paused if 
-	// gear menu is not open
-	/* virtual */ void onMouseLeave(S32 x, S32 y, MASK mask);
-	
 	virtual LLTransientFloaterMgr::ETransientGroup getGroup() { return LLTransientFloaterMgr::GLOBAL; }
 
 private:
@@ -104,47 +78,6 @@ private:
 	// Used on construction and if avatar id changes.
 	void requestUpdate();
 	
-	// Set the volume slider to this user's current client-side volume setting,
-	// hiding/disabling if the user is not nearby.
-	void updateVolumeSlider();
-
-	// Shows/hides moderator panel depending on voice state 
-	void updateModeratorPanel();
-
-	// Moderator ability to enable/disable voice chat for avatar
-	void toggleSelectedVoice(bool enabled);
-	
-	// Button callbacks
-	void onClickAddFriend();
-	void onClickViewProfile();
-	void onClickIM();
-	void onClickCall();
-	void onClickTeleport();
-	void onClickInviteToGroup();
-	void onClickPay();
-	void onClickShare();
-	void onToggleMute();
-	void onClickReport();
-	void onClickFreeze();
-	void onClickEject();
-	void onClickKick();
-	void onClickCSR();
-	void onClickZoomIn();  
-	void onClickFindOnMap();
-	bool onVisibleFindOnMap();
-	bool onVisibleEject();
-	bool onVisibleFreeze();
-	bool onVisibleZoomIn();
-	void onClickMuteVolume();
-	void onVolumeChange(const LLSD& data);
-	bool enableMute();
-	bool enableUnmute();
-	bool enableTeleportOffer();
-	bool godModeEnabled();
-
-	// Is used to determine if "Add friend" option should be enabled in gear menu
-	bool isNotFriend();
-	
 	void onAvatarNameCache(const LLUUID& agent_id,
 						   const LLAvatarName& av_name);
 	
@@ -155,6 +88,7 @@ private:
 	// an in-flight request for avatar properties from LLAvatarPropertiesProcessor
 	// is represented by this object
 	LLFetchAvatarData*	mPropertiesRequest;
+	boost::signals2::connection mAvatarNameCacheConnection;
 };
 
 //////////////////////////////////////////////////////////////////////////////
@@ -207,41 +141,11 @@ LLInspectAvatar::LLInspectAvatar(const LLSD& sd)
 :	LLInspect( LLSD() ),	// single_instance, doesn't really need key
 	mAvatarID(),			// set in onOpen()  *Note: we used to show partner's name but we dont anymore --angela 3rd Dec* 
 	mAvatarName(),
-	mPropertiesRequest(NULL)
+	mPropertiesRequest(NULL),
+	mAvatarNameCacheConnection()
 {
-	mCommitCallbackRegistrar.add("InspectAvatar.ViewProfile",	boost::bind(&LLInspectAvatar::onClickViewProfile, this));	
-	mCommitCallbackRegistrar.add("InspectAvatar.AddFriend",	boost::bind(&LLInspectAvatar::onClickAddFriend, this));	
-	mCommitCallbackRegistrar.add("InspectAvatar.IM",
-		boost::bind(&LLInspectAvatar::onClickIM, this));	
-	mCommitCallbackRegistrar.add("InspectAvatar.Call",		boost::bind(&LLInspectAvatar::onClickCall, this));	
-	mCommitCallbackRegistrar.add("InspectAvatar.Teleport",	boost::bind(&LLInspectAvatar::onClickTeleport, this));	
-	mCommitCallbackRegistrar.add("InspectAvatar.InviteToGroup",	boost::bind(&LLInspectAvatar::onClickInviteToGroup, this));	
-	mCommitCallbackRegistrar.add("InspectAvatar.Pay",	boost::bind(&LLInspectAvatar::onClickPay, this));	
-	mCommitCallbackRegistrar.add("InspectAvatar.Share",	boost::bind(&LLInspectAvatar::onClickShare, this));
-	mCommitCallbackRegistrar.add("InspectAvatar.ToggleMute",	boost::bind(&LLInspectAvatar::onToggleMute, this));	
-	mCommitCallbackRegistrar.add("InspectAvatar.Freeze", boost::bind(&LLInspectAvatar::onClickFreeze, this));	
-	mCommitCallbackRegistrar.add("InspectAvatar.Eject", boost::bind(&LLInspectAvatar::onClickEject, this));	
-	mCommitCallbackRegistrar.add("InspectAvatar.Kick", boost::bind(&LLInspectAvatar::onClickKick, this));	
-	mCommitCallbackRegistrar.add("InspectAvatar.CSR", boost::bind(&LLInspectAvatar::onClickCSR, this));	
-	mCommitCallbackRegistrar.add("InspectAvatar.Report",	boost::bind(&LLInspectAvatar::onClickReport, this));	
-	mCommitCallbackRegistrar.add("InspectAvatar.FindOnMap",	boost::bind(&LLInspectAvatar::onClickFindOnMap, this));	
-	mCommitCallbackRegistrar.add("InspectAvatar.ZoomIn", boost::bind(&LLInspectAvatar::onClickZoomIn, this));
-	mCommitCallbackRegistrar.add("InspectAvatar.DisableVoice", boost::bind(&LLInspectAvatar::toggleSelectedVoice, this, false));
-	mCommitCallbackRegistrar.add("InspectAvatar.EnableVoice", boost::bind(&LLInspectAvatar::toggleSelectedVoice, this, true));
-
-	mEnableCallbackRegistrar.add("InspectAvatar.EnableGod",	boost::bind(&LLInspectAvatar::godModeEnabled, this));	
-	mEnableCallbackRegistrar.add("InspectAvatar.VisibleFindOnMap",	boost::bind(&LLInspectAvatar::onVisibleFindOnMap, this));	
-	mEnableCallbackRegistrar.add("InspectAvatar.VisibleEject",	boost::bind(&LLInspectAvatar::onVisibleEject, this));	
-	mEnableCallbackRegistrar.add("InspectAvatar.VisibleFreeze",	boost::bind(&LLInspectAvatar::onVisibleFreeze, this));	
-	mEnableCallbackRegistrar.add("InspectAvatar.VisibleZoomIn", boost::bind(&LLInspectAvatar::onVisibleZoomIn, this));
-	mEnableCallbackRegistrar.add("InspectAvatar.Gear.Enable", boost::bind(&LLInspectAvatar::isNotFriend, this));
-	mEnableCallbackRegistrar.add("InspectAvatar.Gear.EnableCall", boost::bind(&LLAvatarActions::canCall));
-	mEnableCallbackRegistrar.add("InspectAvatar.Gear.EnableTeleportOffer", boost::bind(&LLInspectAvatar::enableTeleportOffer, this));
-	mEnableCallbackRegistrar.add("InspectAvatar.EnableMute", boost::bind(&LLInspectAvatar::enableMute, this));
-	mEnableCallbackRegistrar.add("InspectAvatar.EnableUnmute", boost::bind(&LLInspectAvatar::enableUnmute, this));
-
 	// can't make the properties request until the widgets are constructed
-	// as it might return immediately, so do it in postBuild.
+	// as it might return immediately, so do it in onOpen.
 
 	LLTransientFloaterMgr::getInstance()->addControlView(LLTransientFloaterMgr::GLOBAL, this);
 	LLTransientFloater::init(this);
@@ -249,6 +153,10 @@ LLInspectAvatar::LLInspectAvatar(const LLSD& sd)
 
 LLInspectAvatar::~LLInspectAvatar()
 {
+	if (mAvatarNameCacheConnection.connected())
+	{
+		mAvatarNameCacheConnection.disconnect();
+	}
 	// clean up any pending requests so they don't call back into a deleted
 	// view
 	delete mPropertiesRequest;
@@ -257,25 +165,6 @@ LLInspectAvatar::~LLInspectAvatar()
 	LLTransientFloaterMgr::getInstance()->removeControlView(this);
 }
 
-/*virtual*/
-BOOL LLInspectAvatar::postBuild(void)
-{
-	getChild<LLUICtrl>("add_friend_btn")->setCommitCallback(
-		boost::bind(&LLInspectAvatar::onClickAddFriend, this) );
-
-	getChild<LLUICtrl>("view_profile_btn")->setCommitCallback(
-		boost::bind(&LLInspectAvatar::onClickViewProfile, this) );
-
-	getChild<LLUICtrl>("mute_btn")->setCommitCallback(
-		boost::bind(&LLInspectAvatar::onClickMuteVolume, this) );
-
-	getChild<LLUICtrl>("volume_slider")->setCommitCallback(
-		boost::bind(&LLInspectAvatar::onVolumeChange, this, _2));
-
-	return TRUE;
-}
-
-
 // Multiple calls to showInstance("inspect_avatar", foo) will provide different
 // LLSD for foo, which we will catch here.
 //virtual
@@ -287,11 +176,6 @@ void LLInspectAvatar::onOpen(const LLSD& data)
 	// Extract appropriate avatar id
 	mAvatarID = data["avatar_id"];
 
-	BOOL self = mAvatarID == gAgent.getID();
-	
-	getChild<LLUICtrl>("gear_self_btn")->setVisible(self);
-	getChild<LLUICtrl>("gear_btn")->setVisible(!self);
-
 	// Position the inspector relative to the mouse cursor
 	// Similar to how tooltips are positioned
 	// See LLToolTipMgr::createToolTip
@@ -304,20 +188,13 @@ void LLInspectAvatar::onOpen(const LLSD& data)
 		LLUI::positionViewNearMouse(this);
 	}
 
+	// Generate link to avatar profile.
+	getChild<LLUICtrl>("avatar_profile_link")->setTextArg("[LINK]", LLSLURL("agent", mAvatarID, "about").getSLURLString());
+
 	// can't call from constructor as widgets are not built yet
 	requestUpdate();
-
-	updateVolumeSlider();
-
-	updateModeratorPanel();
 }
 
-// virtual
-void LLInspectAvatar::onClose(bool app_quitting)
-{  
-  getChild<LLMenuButton>("gear_btn")->hideMenu();
-}	
-
 void LLInspectAvatar::requestUpdate()
 {
 	// Don't make network requests when spawning from the debug menu at the
@@ -344,25 +221,6 @@ void LLInspectAvatar::requestUpdate()
 	delete mPropertiesRequest;
 	mPropertiesRequest = new LLFetchAvatarData(mAvatarID, this);
 
-	// You can't re-add someone as a friend if they are already your friend
-	bool is_friend = LLAvatarTracker::instance().getBuddyInfo(mAvatarID) != NULL;
-	bool is_self = (mAvatarID == gAgentID);
-	if (is_self)
-	{
-		getChild<LLUICtrl>("add_friend_btn")->setVisible(false);
-		getChild<LLUICtrl>("im_btn")->setVisible(false);
-	}
-	else if (is_friend)
-	{
-		getChild<LLUICtrl>("add_friend_btn")->setVisible(false);
-		getChild<LLUICtrl>("im_btn")->setVisible(true);
-	}
-	else
-	{
-		getChild<LLUICtrl>("add_friend_btn")->setVisible(true);
-		getChild<LLUICtrl>("im_btn")->setVisible(false);
-	}
-
 	// Use an avatar_icon even though the image id will come down with the
 	// avatar properties because the avatar_icon code maintains a cache of icons
 	// and this may result in the image being visible sooner.
@@ -374,9 +232,11 @@ void LLInspectAvatar::requestUpdate()
 
 	getChild<LLUICtrl>("avatar_icon")->setValue(LLSD(mAvatarID) );
 
-	LLAvatarNameCache::get(mAvatarID,
-			boost::bind(&LLInspectAvatar::onAvatarNameCache,
-				this, _1, _2));
+	if (mAvatarNameCacheConnection.connected())
+	{
+		mAvatarNameCacheConnection.disconnect();
+	}
+	mAvatarNameCacheConnection = LLAvatarNameCache::get(mAvatarID,boost::bind(&LLInspectAvatar::onAvatarNameCache,this, _1, _2));
 }
 
 void LLInspectAvatar::processAvatarData(LLAvatarData* data)
@@ -405,223 +265,17 @@ void LLInspectAvatar::processAvatarData(LLAvatarData* data)
 	mPropertiesRequest = NULL;
 }
 
-// For the avatar inspector, we only want to unpause the fade timer 
-// if neither the gear menu or self gear menu are open
-void LLInspectAvatar::onMouseLeave(S32 x, S32 y, MASK mask)
-{
-	LLToggleableMenu* gear_menu = getChild<LLMenuButton>("gear_btn")->getMenu();
-	LLToggleableMenu* gear_menu_self = getChild<LLMenuButton>("gear_self_btn")->getMenu();
-	if ( gear_menu && gear_menu->getVisible() &&
-		 gear_menu_self && gear_menu_self->getVisible() )
-	{
-		return;
-	}
-
-	if(childHasVisiblePopupMenu())
-	{
-		return;
-	}
-
-	mOpenTimer.unpause();
-}
-
-void LLInspectAvatar::updateModeratorPanel()
-{
-	bool enable_moderator_panel = false;
-
-    if (LLVoiceChannel::getCurrentVoiceChannel() &&
-		mAvatarID != gAgent.getID())
-    {
-		LLUUID session_id = LLVoiceChannel::getCurrentVoiceChannel()->getSessionID();
-
-		if (session_id != LLUUID::null)
-		{
-			LLIMSpeakerMgr* speaker_mgr = LLIMModel::getInstance()->getSpeakerManager(session_id);
-
-			if (speaker_mgr)
-			{
-				LLPointer<LLSpeaker> self_speakerp = speaker_mgr->findSpeaker(gAgent.getID());
-				LLPointer<LLSpeaker> selected_speakerp = speaker_mgr->findSpeaker(mAvatarID);
-				
-				if(speaker_mgr->isVoiceActive() && selected_speakerp && 
-					selected_speakerp->isInVoiceChannel() &&
-					((self_speakerp && self_speakerp->mIsModerator) || gAgent.isGodlike()))
-				{
-					getChild<LLUICtrl>("enable_voice")->setVisible(selected_speakerp->mModeratorMutedVoice);
-					getChild<LLUICtrl>("disable_voice")->setVisible(!selected_speakerp->mModeratorMutedVoice);
-
-					enable_moderator_panel = true;
-				}
-			}
-		}
-	}
-
-	if (enable_moderator_panel)
-	{
-		if (!getChild<LLUICtrl>("moderator_panel")->getVisible())
-		{
-			getChild<LLUICtrl>("moderator_panel")->setVisible(true);
-			// stretch the floater so it can accommodate the moderator panel
-			reshape(getRect().getWidth(), getRect().getHeight() + getChild<LLUICtrl>("moderator_panel")->getRect().getHeight());
-		}
-	}
-	else if (getChild<LLUICtrl>("moderator_panel")->getVisible())
-	{
-		getChild<LLUICtrl>("moderator_panel")->setVisible(false);
-		// shrink the inspector floater back to original size
-		reshape(getRect().getWidth(), getRect().getHeight() - getChild<LLUICtrl>("moderator_panel")->getRect().getHeight());					
-	}
-}
-
-void LLInspectAvatar::toggleSelectedVoice(bool enabled)
-{
-	LLUUID session_id = LLVoiceChannel::getCurrentVoiceChannel()->getSessionID();
-	LLIMSpeakerMgr* speaker_mgr = LLIMModel::getInstance()->getSpeakerManager(session_id);
-
-	if (speaker_mgr)
-	{
-		if (!gAgent.getRegion())
-			return;
-
-		std::string url = gAgent.getRegion()->getCapability("ChatSessionRequest");
-		LLSD data;
-		data["method"] = "mute update";
-		data["session-id"] = session_id;
-		data["params"] = LLSD::emptyMap();
-		data["params"]["agent_id"] = mAvatarID;
-		data["params"]["mute_info"] = LLSD::emptyMap();
-		// ctrl value represents ability to type, so invert
-		data["params"]["mute_info"]["voice"] = !enabled;
-
-		class MuteVoiceResponder : public LLHTTPClient::Responder
-		{
-		public:
-			MuteVoiceResponder(const LLUUID& session_id)
-			{
-				mSessionID = session_id;
-			}
-
-			virtual void error(U32 status, const std::string& reason)
-			{
-				llwarns << status << ": " << reason << llendl;
-
-				if ( gIMMgr )
-				{
-					//403 == you're not a mod
-					//should be disabled if you're not a moderator
-					if ( 403 == status )
-					{
-						gIMMgr->showSessionEventError(
-							"mute",
-							"not_a_moderator",
-							mSessionID);
-					}
-					else
-					{
-						gIMMgr->showSessionEventError(
-							"mute",
-							"generic",
-							mSessionID);
-					}
-				}
-			}
-
-		private:
-			LLUUID mSessionID;
-		};
-
-		LLHTTPClient::post(
-			url,
-			data,
-			new MuteVoiceResponder(speaker_mgr->getSessionID()));
-	}
-
-	closeFloater();
-
-}
-
-void LLInspectAvatar::updateVolumeSlider()
-{
-	bool voice_enabled = LLVoiceClient::getInstance()->getVoiceEnabled(mAvatarID);
-
-	// Do not display volume slider and mute button if it 
-	// is ourself or we are not in a voice channel together
-	if (!voice_enabled || (mAvatarID == gAgent.getID()))
-	{
-		getChild<LLUICtrl>("mute_btn")->setVisible(false);
-		getChild<LLUICtrl>("volume_slider")->setVisible(false);
-	}
-
-	else 
-	{
-		getChild<LLUICtrl>("mute_btn")->setVisible(true);
-		getChild<LLUICtrl>("volume_slider")->setVisible(true);
-
-		// By convention, we only display and toggle voice mutes, not all mutes
-		bool is_muted = LLMuteList::getInstance()->
-							isMuted(mAvatarID, LLMute::flagVoiceChat);
-
-		LLUICtrl* mute_btn = getChild<LLUICtrl>("mute_btn");
-
-		bool is_linden = LLStringUtil::endsWith(mAvatarName.getLegacyName(), " Linden");
-
-		mute_btn->setEnabled( !is_linden);
-		mute_btn->setValue( is_muted );
-
-		LLUICtrl* volume_slider = getChild<LLUICtrl>("volume_slider");
-		volume_slider->setEnabled( !is_muted );
-
-		F32 volume;
-		
-		if (is_muted)
-		{
-			// it's clearer to display their volume as zero
-			volume = 0.f;
-		}
-		else
-		{
-			// actual volume
-			volume = LLVoiceClient::getInstance()->getUserVolume(mAvatarID);
-		}
-		volume_slider->setValue( (F64)volume );
-	}
-
-}
-
-void LLInspectAvatar::onClickMuteVolume()
-{
-	// By convention, we only display and toggle voice mutes, not all mutes
-	LLMuteList* mute_list = LLMuteList::getInstance();
-	bool is_muted = mute_list->isMuted(mAvatarID, LLMute::flagVoiceChat);
-
-	LLMute mute(mAvatarID, mAvatarName.getLegacyName(), LLMute::AGENT);
-	if (!is_muted)
-	{
-		mute_list->add(mute, LLMute::flagVoiceChat);
-	}
-	else
-	{
-		mute_list->remove(mute, LLMute::flagVoiceChat);
-	}
-
-	updateVolumeSlider();
-}
-
-void LLInspectAvatar::onVolumeChange(const LLSD& data)
-{
-	F32 volume = (F32)data.asReal();
-	LLVoiceClient::getInstance()->setUserVolume(mAvatarID, volume);
-}
-
 void LLInspectAvatar::onAvatarNameCache(
 		const LLUUID& agent_id,
 		const LLAvatarName& av_name)
 {
+	mAvatarNameCacheConnection.disconnect();
+
 	if (agent_id == mAvatarID)
 	{
-		getChild<LLUICtrl>("user_name")->setValue(av_name.mDisplayName);
-		getChild<LLUICtrl>("user_name_small")->setValue(av_name.mDisplayName);
-		getChild<LLUICtrl>("user_slid")->setValue(av_name.mUsername);
+		getChild<LLUICtrl>("user_name")->setValue(av_name.getDisplayName());
+		getChild<LLUICtrl>("user_name_small")->setValue(av_name.getDisplayName());
+		getChild<LLUICtrl>("user_slid")->setValue(av_name.getUserName());
 		mAvatarName = av_name;
 		
 		// show smaller display name if too long to display in regular size
@@ -640,215 +294,6 @@ void LLInspectAvatar::onAvatarNameCache(
 	}
 }
 
-void LLInspectAvatar::onClickAddFriend()
-{
-	LLAvatarActions::requestFriendshipDialog(mAvatarID, mAvatarName.getLegacyName());
-	closeFloater();
-}
-
-void LLInspectAvatar::onClickViewProfile()
-{
-	LLAvatarActions::showProfile(mAvatarID);
-	closeFloater();
-}
-
-bool LLInspectAvatar::isNotFriend()
-{
-	return !LLAvatarActions::isFriend(mAvatarID);
-}
-
-bool LLInspectAvatar::onVisibleFindOnMap()
-{
-	return gAgent.isGodlike() || is_agent_mappable(mAvatarID);
-}
-
-bool LLInspectAvatar::onVisibleEject()
-{
-	return enable_freeze_eject( LLSD(mAvatarID) );
-}
-
-bool LLInspectAvatar::onVisibleFreeze()
-{
-	// either user is a god and can do long distance freeze
-	// or check for target proximity and permissions
-	return gAgent.isGodlike() || enable_freeze_eject(LLSD(mAvatarID));
-}
-
-bool LLInspectAvatar::onVisibleZoomIn()
-{
-	return gObjectList.findObject(mAvatarID);
-}
-
-void LLInspectAvatar::onClickIM()
-{ 
-	LLAvatarActions::startIM(mAvatarID);
-	closeFloater();
-}
-
-void LLInspectAvatar::onClickCall()
-{ 
-	LLAvatarActions::startCall(mAvatarID);
-	closeFloater();
-}
-
-void LLInspectAvatar::onClickTeleport()
-{
-	LLAvatarActions::offerTeleport(mAvatarID);
-	closeFloater();
-}
-
-void LLInspectAvatar::onClickInviteToGroup()
-{
-	LLAvatarActions::inviteToGroup(mAvatarID);
-	closeFloater();
-}
-
-void LLInspectAvatar::onClickPay()
-{
-	LLAvatarActions::pay(mAvatarID);
-	closeFloater();
-}
-
-void LLInspectAvatar::onClickShare()
-{
-	LLAvatarActions::share(mAvatarID);
-	closeFloater();
-}
-
-void LLInspectAvatar::onToggleMute()
-{
-	LLMute mute(mAvatarID, mAvatarName.mDisplayName, LLMute::AGENT);
-
-	if (LLMuteList::getInstance()->isMuted(mute.mID, mute.mName))
-	{
-		LLMuteList::getInstance()->remove(mute);
-	}
-	else
-	{
-		LLMuteList::getInstance()->add(mute);
-	}
-
-	LLPanelBlockedList::showPanelAndSelect(mute.mID);
-	closeFloater();
-}
-
-void LLInspectAvatar::onClickReport()
-{
-	LLFloaterReporter::showFromAvatar(mAvatarID, mAvatarName.getCompleteName());
-	closeFloater();
-}
-
-bool godlike_freeze(const LLSD& notification, const LLSD& response)
-{
-	LLUUID avatar_id = notification["payload"]["avatar_id"].asUUID();
-	S32 option = LLNotificationsUtil::getSelectedOption(notification, response);
-
-	switch (option)
-	{
-	case 0:
-		LLAvatarActions::freeze(avatar_id);
-		break;
-	case 1:
-		LLAvatarActions::unfreeze(avatar_id);
-		break;
-	default:
-		break;
-	}
-
-	return false;
-}
-
-void LLInspectAvatar::onClickFreeze()
-{
-	if (gAgent.isGodlike())
-	{
-		// use godlike freeze-at-a-distance, with confirmation
-		LLNotificationsUtil::add("FreezeAvatar",
-			LLSD(),
-			LLSD().with("avatar_id", mAvatarID),
-			godlike_freeze);
-	}
-	else
-	{
-		// use default "local" version of freezing that requires avatar to be in range
-		handle_avatar_freeze( LLSD(mAvatarID) );
-	}
-	closeFloater();
-}
-
-void LLInspectAvatar::onClickEject()
-{
-	handle_avatar_eject( LLSD(mAvatarID) );
-	closeFloater();
-}
-
-void LLInspectAvatar::onClickKick()
-{
-	LLAvatarActions::kick(mAvatarID);
-	closeFloater();
-}
-
-void LLInspectAvatar::onClickCSR()
-{
-	std::string name;
-	gCacheName->getFullName(mAvatarID, name);
-	LLAvatarActions::csr(mAvatarID, name);
-	closeFloater();
-}
-
-void LLInspectAvatar::onClickZoomIn() 
-{
-	handle_zoom_to_object(mAvatarID);
-	closeFloater();
-}
-
-void LLInspectAvatar::onClickFindOnMap()
-{
-	gFloaterWorldMap->trackAvatar(mAvatarID, mAvatarName.mDisplayName);
-	LLFloaterReg::showInstance("world_map");
-}
-
-
-bool LLInspectAvatar::enableMute()
-{
-		bool is_linden = LLStringUtil::endsWith(mAvatarName.getLegacyName(), " Linden");
-		bool is_self = mAvatarID == gAgent.getID();
-
-		if (!is_linden && !is_self && !LLMuteList::getInstance()->isMuted(mAvatarID, mAvatarName.getLegacyName()))
-		{
-			return true;
-		}
-		else
-		{
-			return false;
-		}
-}
-
-bool LLInspectAvatar::enableUnmute()
-{
-		bool is_linden = LLStringUtil::endsWith(mAvatarName.getLegacyName(), " Linden");
-		bool is_self = mAvatarID == gAgent.getID();
-
-		if (!is_linden && !is_self && LLMuteList::getInstance()->isMuted(mAvatarID, mAvatarName.getLegacyName()))
-		{
-			return true;
-		}
-		else
-		{
-			return false;
-		}
-}
-
-bool LLInspectAvatar::enableTeleportOffer()
-{
-	return LLAvatarActions::canOfferTeleport(mAvatarID);
-}
-
-bool LLInspectAvatar::godModeEnabled()
-{
-	return gAgent.isGodlike();
-}
-
 //////////////////////////////////////////////////////////////////////////////
 // LLInspectAvatarUtil
 //////////////////////////////////////////////////////////////////////////////
diff --git a/indra/newview/llinventorybridge.cpp b/indra/newview/llinventorybridge.cpp
index 14a228df1c..837870ae27 100644
--- a/indra/newview/llinventorybridge.cpp
+++ b/indra/newview/llinventorybridge.cpp
@@ -37,6 +37,7 @@
 #include "llappearancemgr.h"
 #include "llattachmentsmgr.h"
 #include "llavataractions.h" 
+#include "llfavoritesbar.h" // management of favorites folder
 #include "llfloateropenobject.h"
 #include "llfloaterreg.h"
 #include "llfloatersidepanelcontainer.h"
@@ -45,7 +46,7 @@
 #include "llfriendcard.h"
 #include "llgesturemgr.h"
 #include "llgiveinventory.h" 
-#include "llimfloater.h"
+#include "llfloaterimcontainer.h"
 #include "llimview.h"
 #include "llclipboard.h"
 #include "llinventorydefines.h"
@@ -94,21 +95,6 @@ struct LLMoveInv
 
 using namespace LLOldEvents;
 
-// Helpers
-// bug in busy count inc/dec right now, logic is complex... do we really need it?
-void inc_busy_count()
-{
-// 	gViewerWindow->getWindow()->incBusyCount();
-//  check balance of these calls if this code is changed to ever actually
-//  *do* something!
-}
-void dec_busy_count()
-{
-// 	gViewerWindow->getWindow()->decBusyCount();
-//  check balance of these calls if this code is changed to ever actually
-//  *do* something!
-}
-
 // Function declarations
 void remove_inventory_category_from_avatar(LLInventoryCategory* category);
 void remove_inventory_category_from_avatar_step2( BOOL proceed, LLUUID category_id);
@@ -118,10 +104,10 @@ void teleport_via_landmark(const LLUUID& asset_id);
 static BOOL can_move_to_outfit(LLInventoryItem* inv_item, BOOL move_is_into_current_outfit);
 static bool check_category(LLInventoryModel* model,
 						   const LLUUID& cat_id,
-						   LLFolderView* active_folder_view,
+						   LLInventoryPanel* active_panel,
 						   LLInventoryFilter* filter);
 static bool check_item(const LLUUID& item_id,
-					   LLFolderView* active_folder_view,
+					   LLInventoryPanel* active_panel,
 					   LLInventoryFilter* filter);
 
 // Helper functions
@@ -169,7 +155,6 @@ public:
 	{
 		if (clear_observer)
 		{
-			dec_busy_count();
 			gInventory.removeObserver(this);
 			delete this;
 		}
@@ -192,7 +177,8 @@ LLInvFVBridge::LLInvFVBridge(LLInventoryPanel* inventory,
 	mUUID(uuid), 
 	mRoot(root),
 	mInvType(LLInventoryType::IT_NONE),
-	mIsLink(FALSE)
+	mIsLink(FALSE),
+	LLFolderViewModelItemInventory(inventory->getRootViewModel())
 {
 	mInventoryPanel = inventory->getInventoryPanelHandle();
 	const LLInventoryObject* obj = getInventoryObject();
@@ -211,7 +197,11 @@ const std::string& LLInvFVBridge::getName() const
 
 const std::string& LLInvFVBridge::getDisplayName() const
 {
-	return getName();
+	if(mDisplayName.empty())
+	{
+		buildDisplayName();
+	}
+	return mDisplayName;
 }
 
 // Folders have full perms
@@ -230,9 +220,24 @@ LLFolderType::EType LLInvFVBridge::getPreferredType() const
 // Folders don't have creation dates.
 time_t LLInvFVBridge::getCreationDate() const
 {
-	return 0;
+	LLInventoryObject* objectp = getInventoryObject();
+	if (objectp)
+	{
+		return objectp->getCreationDate();
+	}
+	return (time_t)0;
 }
 
+void LLInvFVBridge::setCreationDate(time_t creation_date_utc)
+{
+	LLInventoryObject* objectp = getInventoryObject();
+	if (objectp)
+	{
+		objectp->setCreationDate(creation_date_utc);
+	}
+}
+
+
 // Can be destroyed (or moved to trash)
 BOOL LLInvFVBridge::isItemRemovable() const
 {
@@ -250,6 +255,11 @@ BOOL LLInvFVBridge::isLink() const
 	return mIsLink;
 }
 
+BOOL LLInvFVBridge::isLibraryItem() const
+{
+	return gInventory.isObjectDescendentOf(getUUID(),gInventory.getLibraryRootFolderID());
+}
+
 /*virtual*/
 /**
  * @brief Adds this item into clipboard storage
@@ -286,7 +296,7 @@ void LLInvFVBridge::showProperties()
 	*/
 }
 
-void LLInvFVBridge::removeBatch(LLDynamicArray<LLFolderViewEventListener*>& batch)
+void LLInvFVBridge::removeBatch(std::vector<LLFolderViewModelItem*>& batch)
 {
 	// Deactivate gestures when moving them into Trash
 	LLInvFVBridge* bridge;
@@ -295,11 +305,11 @@ void LLInvFVBridge::removeBatch(LLDynamicArray<LLFolderViewEventListener*>& batc
 	LLViewerInventoryCategory* cat = NULL;
 	LLInventoryModel::cat_array_t	descendent_categories;
 	LLInventoryModel::item_array_t	descendent_items;
-	S32 count = batch.count();
+	S32 count = batch.size();
 	S32 i,j;
 	for(i = 0; i < count; ++i)
 	{
-		bridge = (LLInvFVBridge*)(batch.get(i));
+		bridge = (LLInvFVBridge*)(batch[i]);
 		if(!bridge || !bridge->isItemRemovable()) continue;
 		item = (LLViewerInventoryItem*)model->getItem(bridge->getUUID());
 		if (item)
@@ -312,7 +322,7 @@ void LLInvFVBridge::removeBatch(LLDynamicArray<LLFolderViewEventListener*>& batc
 	}
 	for(i = 0; i < count; ++i)
 	{
-		bridge = (LLInvFVBridge*)(batch.get(i));
+		bridge = (LLInvFVBridge*)(batch[i]);
 		if(!bridge || !bridge->isItemRemovable()) continue;
 		cat = (LLViewerInventoryCategory*)model->getCategory(bridge->getUUID());
 		if (cat)
@@ -330,7 +340,7 @@ void LLInvFVBridge::removeBatch(LLDynamicArray<LLFolderViewEventListener*>& batc
 	removeBatchNoCheck(batch);
 }
 
-void LLInvFVBridge::removeBatchNoCheck(LLDynamicArray<LLFolderViewEventListener*>& batch)
+void  LLInvFVBridge::removeBatchNoCheck(std::vector<LLFolderViewModelItem*>&  batch)
 {
 	// this method moves a bunch of items and folders to the trash. As
 	// per design guidelines for the inventory model, the message is
@@ -346,14 +356,14 @@ void LLInvFVBridge::removeBatchNoCheck(LLDynamicArray<LLFolderViewEventListener*
 	uuid_vec_t move_ids;
 	LLInventoryModel::update_map_t update;
 	bool start_new_message = true;
-	S32 count = batch.count();
+	S32 count = batch.size();
 	S32 i;
 
 	// first, hide any 'preview' floaters that correspond to the items
 	// being deleted.
 	for(i = 0; i < count; ++i)
 	{
-		bridge = (LLInvFVBridge*)(batch.get(i));
+		bridge = (LLInvFVBridge*)(batch[i]);
 		if(!bridge || !bridge->isItemRemovable()) continue;
 		item = (LLViewerInventoryItem*)model->getItem(bridge->getUUID());
 		if(item)
@@ -366,7 +376,7 @@ void LLInvFVBridge::removeBatchNoCheck(LLDynamicArray<LLFolderViewEventListener*
 
 	for(i = 0; i < count; ++i)
 	{
-		bridge = (LLInvFVBridge*)(batch.get(i));
+		bridge = (LLInvFVBridge*)(batch[i]);
 		if(!bridge || !bridge->isItemRemovable()) continue;
 		item = (LLViewerInventoryItem*)model->getItem(bridge->getUUID());
 		if(item)
@@ -407,7 +417,7 @@ void LLInvFVBridge::removeBatchNoCheck(LLDynamicArray<LLFolderViewEventListener*
 
 	for(i = 0; i < count; ++i)
 	{
-		bridge = (LLInvFVBridge*)(batch.get(i));
+		bridge = (LLInvFVBridge*)(batch[i]);
 		if(!bridge || !bridge->isItemRemovable()) continue;
 		LLViewerInventoryCategory* cat = (LLViewerInventoryCategory*)model->getCategory(bridge->getUUID());
 		if(cat)
@@ -501,8 +511,10 @@ BOOL LLInvFVBridge::isClipboardPasteable() const
 		// Each item must be copyable to be pastable
 		LLItemBridge item_br(mInventoryPanel.get(), mRoot, item_id);
 		if (!item_br.isItemCopyable())
-				return FALSE;
-			}
+		{
+			return FALSE;
+		}
+	}
 	return TRUE;
 }
 
@@ -559,7 +571,7 @@ void hide_context_entries(LLMenuGL& menu,
 
 		// descend into split menus:
 		LLMenuItemBranchGL* branchp = dynamic_cast<LLMenuItemBranchGL*>(menu_item);
-		if ((name == "More") && branchp)
+		if (NULL != branchp)
 		{
 			hide_context_entries(*branchp->getBranch(), entries_to_show, disabled_entries);
 		}
@@ -879,6 +891,12 @@ LLInventoryModel* LLInvFVBridge::getInventoryModel() const
 	return panel ? panel->getModel() : NULL;
 }
 
+LLInventoryFilter* LLInvFVBridge::getInventoryFilter() const
+{
+	LLInventoryPanel* panel = mInventoryPanel.get();
+	return panel ? &(panel->getFilter()) : NULL;
+}
+
 BOOL LLInvFVBridge::isItemInTrash() const
 {
 	LLInventoryModel* model = getInventoryModel();
@@ -931,7 +949,7 @@ BOOL LLInvFVBridge::isCOFFolder() const
 
 BOOL LLInvFVBridge::isInboxFolder() const
 {
-	const LLUUID inbox_id = gInventory.findCategoryUUIDForType(LLFolderType::FT_INBOX, false, false);
+	const LLUUID inbox_id = gInventory.findCategoryUUIDForType(LLFolderType::FT_INBOX, false);
 	
 	if (inbox_id.isNull())
 	{
@@ -971,7 +989,7 @@ BOOL LLInvFVBridge::isOutboxFolderDirectParent() const
 
 const LLUUID LLInvFVBridge::getOutboxFolder() const
 {
-	const LLUUID outbox_id = gInventory.findCategoryUUIDForType(LLFolderType::FT_OUTBOX, false, false);
+	const LLUUID outbox_id = gInventory.findCategoryUUIDForType(LLFolderType::FT_OUTBOX, false);
 
 	return outbox_id;
 }
@@ -1003,6 +1021,7 @@ LLInvFVBridge* LLInvFVBridge::createBridge(LLAssetType::EType asset_type,
 										   LLAssetType::EType actual_asset_type,
 										   LLInventoryType::EType inv_type,
 										   LLInventoryPanel* inventory,
+										   LLFolderViewModelInventory* view_model,
 										   LLFolderView* root,
 										   const LLUUID& uuid,
 										   U32 flags)
@@ -1253,10 +1272,10 @@ bool LLInvFVBridge::canListOnMarketplaceNow() const
 
 		if (can_list)
 		{
-			LLFolderViewFolder * object_folderp = mRoot->getFolderByID(object_id);
+			LLFolderViewFolder * object_folderp =   mInventoryPanel.get() ? mInventoryPanel.get()->getFolderByID(object_id) : NULL;
 			if (object_folderp)
 			{
-				can_list = !object_folderp->isLoading();
+				can_list = !static_cast<LLFolderBridge*>(object_folderp->getViewModelItem())->isLoading();
 			}
 		}
 		
@@ -1264,7 +1283,7 @@ bool LLInvFVBridge::canListOnMarketplaceNow() const
 		{
 			// Get outbox id
 			const LLUUID & outbox_id = getInventoryModel()->findCategoryUUIDForType(LLFolderType::FT_OUTBOX, false);
-			LLFolderViewItem * outbox_itemp = mRoot->getItemByID(outbox_id);
+			LLFolderViewItem * outbox_itemp =   mInventoryPanel.get() ? mInventoryPanel.get()->getItemByID(outbox_id) : NULL;
 
 			if (outbox_itemp)
 			{
@@ -1274,7 +1293,7 @@ bool LLInvFVBridge::canListOnMarketplaceNow() const
 				void * cargo_data = (void *) obj;
 				std::string tooltip_msg;
 				
-				can_list = outbox_itemp->getListener()->dragOrDrop(mask, drop, cargo_type, cargo_data, tooltip_msg);
+				can_list = outbox_itemp->getViewModelItem()->dragOrDrop(mask, drop, cargo_type, cargo_data, tooltip_msg);
 			}
 		}
 	}
@@ -1286,14 +1305,30 @@ bool LLInvFVBridge::canListOnMarketplaceNow() const
 #endif
 }
 
+LLToolDragAndDrop::ESource LLInvFVBridge::getDragSource() const
+{
+	if (gInventory.isObjectDescendentOf(getUUID(),   gInventory.getRootFolderID()))
+	{
+		return LLToolDragAndDrop::SOURCE_AGENT;
+	}
+	else if (gInventory.isObjectDescendentOf(getUUID(),   gInventory.getLibraryRootFolderID()))
+	{
+		return LLToolDragAndDrop::SOURCE_LIBRARY;
+	}
+
+	return LLToolDragAndDrop::SOURCE_VIEWER;
+}
+
+
 
 // +=================================================+
 // |        InventoryFVBridgeBuilder                 |
 // +=================================================+
-LLInvFVBridge* LLInventoryFVBridgeBuilder::createBridge(LLAssetType::EType asset_type,
+LLInvFVBridge* LLInventoryFolderViewModelBuilder::createBridge(LLAssetType::EType asset_type,
 														LLAssetType::EType actual_asset_type,
 														LLInventoryType::EType inv_type,
 														LLInventoryPanel* inventory,
+														LLFolderViewModelInventory* view_model,
 														LLFolderView* root,
 														const LLUUID& uuid,
 														U32 flags /* = 0x00 */) const
@@ -1302,6 +1337,7 @@ LLInvFVBridge* LLInventoryFVBridgeBuilder::createBridge(LLAssetType::EType asset
 									   actual_asset_type,
 									   inv_type,
 									   inventory,
+									   view_model,
 									   root,
 									   uuid,
 									   flags);
@@ -1358,10 +1394,7 @@ void LLItemBridge::performAction(LLInventoryModel* model, std::string action)
 	else if ("cut" == action)
 	{
 		cutToClipboard();
-		// MAINT-1197: This is temp code to work around a deselection/reselection bug. Please discard when merging CHUI.
-		LLFolderViewItem* item_to_select = mRoot->getNextUnselectedItem();
-		LLFolderView::removeCutItems();
-		mRoot->setSelection(item_to_select, item_to_select ? item_to_select->isOpen() : false, false);
+		gInventory.removeObject(mUUID);
 		return;
 	}
 	else if ("copy" == action)
@@ -1374,10 +1407,10 @@ void LLItemBridge::performAction(LLInventoryModel* model, std::string action)
 		LLInventoryItem* itemp = model->getItem(mUUID);
 		if (!itemp) return;
 
-		LLFolderViewItem* folder_view_itemp = mRoot->getItemByID(itemp->getParentUUID());
+		LLFolderViewItem* folder_view_itemp =   mInventoryPanel.get()->getItemByID(itemp->getParentUUID());
 		if (!folder_view_itemp) return;
 
-		folder_view_itemp->getListener()->pasteFromClipboard();
+		folder_view_itemp->getViewModelItem()->pasteFromClipboard();
 		return;
 	}
 	else if ("paste_link" == action)
@@ -1386,10 +1419,10 @@ void LLItemBridge::performAction(LLInventoryModel* model, std::string action)
 		LLInventoryItem* itemp = model->getItem(mUUID);
 		if (!itemp) return;
 
-		LLFolderViewItem* folder_view_itemp = mRoot->getItemByID(itemp->getParentUUID());
+		LLFolderViewItem* folder_view_itemp =   mInventoryPanel.get()->getItemByID(itemp->getParentUUID());
 		if (!folder_view_itemp) return;
 
-		folder_view_itemp->getListener()->pasteLinkFromClipboard();
+		folder_view_itemp->getViewModelItem()->pasteLinkFromClipboard();
 		return;
 	}
 	else if (isMarketplaceCopyAction(action))
@@ -1399,7 +1432,7 @@ void LLItemBridge::performAction(LLInventoryModel* model, std::string action)
 		LLInventoryItem* itemp = model->getItem(mUUID);
 		if (!itemp) return;
 
-		const LLUUID outbox_id = getInventoryModel()->findCategoryUUIDForType(LLFolderType::FT_OUTBOX, false, false);
+		const LLUUID outbox_id = getInventoryModel()->findCategoryUUIDForType(LLFolderType::FT_OUTBOX, false);
 		copy_item_to_outbox(itemp, outbox_id, LLUUID::null, LLToolDragAndDrop::getOperationId());
 	}
 	else if ("copy_slurl" == action)
@@ -1515,6 +1548,15 @@ LLUIImagePtr LLItemBridge::getIcon() const
 	return LLInventoryIcon::getIcon(LLInventoryIcon::ICONNAME_OBJECT);
 }
 
+LLUIImagePtr LLItemBridge::getIconOverlay() const
+{
+	if (getItem() && getItem()->getIsLinkType())
+	{
+		return LLUI::getUIImage("Inv_Link");
+	}
+	return NULL;
+}
+
 PermissionMask LLItemBridge::getPermissionMask() const
 {
 	LLViewerInventoryItem* item = getItem();
@@ -1523,26 +1565,27 @@ PermissionMask LLItemBridge::getPermissionMask() const
 	return perm_mask;
 }
 
-const std::string& LLItemBridge::getDisplayName() const
+void LLItemBridge::buildDisplayName() const
 {
-	if(mDisplayName.empty())
+	if(getItem())
 	{
-		buildDisplayName(getItem(), mDisplayName);
+		mDisplayName.assign(getItem()->getName());
 	}
-	return mDisplayName;
+	else
+	{
+		mDisplayName.assign(LLStringUtil::null);
 }
 
-void LLItemBridge::buildDisplayName(LLInventoryItem* item, std::string& name)
+	mSearchableName.assign(mDisplayName);
+	mSearchableName.append(getLabelSuffix());
+	LLStringUtil::toUpper(mSearchableName);
+
+    //Name set, so trigger a sort
+    if(mParent)
 {
-	if(item)
-	{
-		name.assign(item->getName());
+        mParent->requestSort();
 	}
-	else
-	{
-		name.assign(LLStringUtil::null);
 	}
-}
 
 LLFontGL::StyleFlags LLItemBridge::getLabelStyle() const
 {
@@ -1658,18 +1701,17 @@ BOOL LLItemBridge::renameItem(const std::string& new_name)
 	{
 		LLPointer<LLViewerInventoryItem> new_item = new LLViewerInventoryItem(item);
 		new_item->rename(new_name);
-		buildDisplayName(new_item, mDisplayName);
 		new_item->updateServer(FALSE);
 		model->updateItem(new_item);
 
 		model->notifyObservers();
+		buildDisplayName();
 	}
 	// return FALSE because we either notified observers (& therefore
 	// rebuilt) or we didn't update.
 	return FALSE;
 }
 
-
 BOOL LLItemBridge::removeItem()
 {
 	if(!isItemRemovable())
@@ -1677,7 +1719,6 @@ BOOL LLItemBridge::removeItem()
 		return FALSE;
 	}
 
-	
 	// move it to the trash
 	LLPreview::hide(mUUID, TRUE);
 	LLInventoryModel* model = getInventoryModel();
@@ -1815,6 +1856,99 @@ void LLFolderBridge::selectItem()
 	LLInventoryModelBackgroundFetch::instance().start(getUUID(), true);
 }
 
+void LLFolderBridge::buildDisplayName() const
+{
+	LLFolderType::EType preferred_type = getPreferredType();
+
+	// *TODO: to be removed when database supports multi language. This is a
+	// temporary attempt to display the inventory folder in the user locale.
+	// mantipov: *NOTE: be sure this code is synchronized with LLFriendCardsManager::findChildFolderUUID
+	//		it uses the same way to find localized string
+
+	// HACK: EXT - 6028 ([HARD CODED]? Inventory > Library > "Accessories" folder)
+	// Translation of Accessories folder in Library inventory folder
+	bool accessories = false;
+	if(getName() == "Accessories")
+	{
+		//To ensure that Accessories folder is in Library we have to check its parent folder.
+		//Due to parent LLFolderViewFloder is not set to this item yet we have to check its parent via Inventory Model
+		LLInventoryCategory* cat = gInventory.getCategory(getUUID());
+		if(cat)
+		{
+			const LLUUID& parent_folder_id = cat->getParentUUID();
+			accessories = (parent_folder_id == gInventory.getLibraryRootFolderID());
+		}
+	}
+
+	//"Accessories" inventory category has folder type FT_NONE. So, this folder
+	//can not be detected as protected with LLFolderType::lookupIsProtectedType
+	mDisplayName.assign(getName());
+	if (accessories || LLFolderType::lookupIsProtectedType(preferred_type))
+	{
+		LLTrans::findString(mDisplayName, std::string("InvFolder ") + getName(), LLSD());
+	}
+
+	mSearchableName.assign(mDisplayName);
+	mSearchableName.append(getLabelSuffix());
+	LLStringUtil::toUpper(mSearchableName);
+
+    //Name set, so trigger a sort
+    if(mParent)
+    {
+        mParent->requestSort();
+    }
+}
+
+
+void LLFolderBridge::update()
+{
+	bool possibly_has_children = false;
+	bool up_to_date = isUpToDate();
+	if(!up_to_date && hasChildren()) // we know we have children but  haven't  fetched them (doesn't obey filter)
+	{
+		possibly_has_children = true;
+	}
+
+	bool loading = (possibly_has_children
+		&& !up_to_date );
+
+	if (loading != mIsLoading)
+	{
+		if ( loading && !mIsLoading )
+		{
+			// Measure how long we've been in the loading state
+			mTimeSinceRequestStart.reset();
+		}
+
+		const BOOL in_inventory = gInventory.isObjectDescendentOf(getUUID(),   gInventory.getRootFolderID());
+		const BOOL in_library = gInventory.isObjectDescendentOf(getUUID(),   gInventory.getLibraryRootFolderID());
+
+		bool root_is_loading = false;
+		if (in_inventory)
+		{
+			root_is_loading =   LLInventoryModelBackgroundFetch::instance().inventoryFetchInProgress();
+		}
+		if (in_library)
+		{
+			root_is_loading =   LLInventoryModelBackgroundFetch::instance().libraryFetchInProgress();
+		}
+		if ((mIsLoading
+				&&	mTimeSinceRequestStart.getElapsedTimeF32() >=   gSavedSettings.getF32("FolderLoadingMessageWaitTime"))
+			||	(LLInventoryModelBackgroundFetch::instance().folderFetchActive()
+				&&	root_is_loading))
+		{
+			mDisplayName = LLInvFVBridge::getDisplayName() + " ( " +   LLTrans::getString("LoadingData") + " ) ";
+			mIsLoading = true;
+		}
+		else
+		{
+			mDisplayName = LLInvFVBridge::getDisplayName();
+			mIsLoading = false;
+		}
+	}
+}
+
+
 // Iterate through a folder's children to determine if
 // all the children are removable.
 class LLIsItemRemovable : public LLFolderViewFunctor
@@ -1823,11 +1957,11 @@ public:
 	LLIsItemRemovable() : mPassed(TRUE) {}
 	virtual void doFolder(LLFolderViewFolder* folder)
 	{
-		mPassed &= folder->getListener()->isItemRemovable();
+		mPassed &= folder->getViewModelItem()->isItemRemovable();
 	}
 	virtual void doItem(LLFolderViewItem* item)
 	{
-		mPassed &= item->getListener()->isItemRemovable();
+		mPassed &= item->getViewModelItem()->isItemRemovable();
 	}
 	BOOL mPassed;
 };
@@ -1841,7 +1975,7 @@ BOOL LLFolderBridge::isItemRemovable() const
 	}
 
 	LLInventoryPanel* panel = mInventoryPanel.get();
-	LLFolderViewFolder* folderp = dynamic_cast<LLFolderViewFolder*>(panel ? panel->getRootFolder()->getItemByID(mUUID) : NULL);
+	LLFolderViewFolder* folderp = dynamic_cast<LLFolderViewFolder*>(panel ?   panel->getItemByID(mUUID) : NULL);
 	if (folderp)
 	{
 		LLIsItemRemovable folder_test;
@@ -2080,7 +2214,7 @@ BOOL LLFolderBridge::dragCategoryIntoFolder(LLInventoryCategory* inv_cat,
 	LLInventoryPanel* destination_panel = mInventoryPanel.get();
 	if (!destination_panel) return false;
 
-	LLInventoryFilter* filter = destination_panel->getFilter();
+	LLInventoryFilter* filter = getInventoryFilter();
 	if (!filter) return false;
 
 	const LLUUID &cat_id = inv_cat->getUUID();
@@ -2299,7 +2433,7 @@ BOOL LLFolderBridge::dragCategoryIntoFolder(LLInventoryCategory* inv_cat,
 				{
 					// Check whether the folder being dragged from active inventory panel
 					// passes the filter of the destination panel.
-					is_movable = check_category(model, cat_id, active_folder_view, filter);
+					is_movable = check_category(model, cat_id, active_panel, filter);
 				}
 			}
 		}
@@ -2373,7 +2507,7 @@ BOOL LLFolderBridge::dragCategoryIntoFolder(LLInventoryCategory* inv_cat,
 			}
 			else
 			{
-				if (model->isObjectDescendentOf(cat_id, model->findCategoryUUIDForType(LLFolderType::FT_INBOX, false, false)))
+				if (model->isObjectDescendentOf(cat_id, model->findCategoryUUIDForType(LLFolderType::FT_INBOX, false)))
 				{
 					set_dad_inbox_object(cat_id);
 				}
@@ -2551,7 +2685,6 @@ void LLRightClickInventoryFetchDescendentsObserver::execute(bool clear_observer)
 		llwarns << "LLRightClickInventoryFetchDescendentsObserver::done with empty mCompleteFolders" << llendl;
 		if (clear_observer)
 		{
-		dec_busy_count();
 		gInventory.removeObserver(this);
 		delete this;
 		}
@@ -2565,7 +2698,6 @@ void LLRightClickInventoryFetchDescendentsObserver::execute(bool clear_observer)
 	// could notify observers and throw us into an infinite loop.
 	if (clear_observer)
 	{
-		dec_busy_count();
 		gInventory.removeObserver(this);
 		delete this;
 	}
@@ -2636,7 +2768,6 @@ void LLRightClickInventoryFetchDescendentsObserver::execute(bool clear_observer)
 	{
 				// it's all on its way - add an observer, and the inventory
 	// will call done for us when everything is here.
-				inc_busy_count();
 	gInventory.addObserver(outfit);
 			}
 			*/
@@ -2655,7 +2786,6 @@ void LLRightClickInventoryFetchDescendentsObserver::execute(bool clear_observer)
 			{
 				// it's all on its way - add an observer, and the inventory
 				// will call done for us when everything is here.
-				inc_busy_count();
 				gInventory.addObserver(categories);
 			}
 		}
@@ -2734,7 +2864,7 @@ void LLFolderBridge::performAction(LLInventoryModel* model, std::string action)
 {
 	if ("open" == action)
 	{
-		LLFolderViewFolder *f = dynamic_cast<LLFolderViewFolder *>(mRoot->getItemByID(mUUID));
+		LLFolderViewFolder *f = dynamic_cast<LLFolderViewFolder   *>(mInventoryPanel.get()->getItemByID(mUUID));
 		if (f)
 		{
 			f->setOpen(TRUE);
@@ -2781,10 +2911,7 @@ void LLFolderBridge::performAction(LLInventoryModel* model, std::string action)
 	else if ("cut" == action)
 	{
 		cutToClipboard();
-		// MAINT-1197: This is temp code to work around a deselection/reselection bug. Please discard when merging CHUI.
-		LLFolderViewItem* item_to_select = mRoot->getNextUnselectedItem();
-		LLFolderView::removeCutItems();
-		mRoot->setSelection(item_to_select, item_to_select ? item_to_select->isOpen() : false, false);
+		gInventory.removeObject(mUUID);
 		return;
 	}
 	else if ("copy" == action)
@@ -2825,7 +2952,7 @@ void LLFolderBridge::performAction(LLInventoryModel* model, std::string action)
 		LLInventoryCategory * cat = gInventory.getCategory(mUUID);
 		if (!cat) return;
 
-		const LLUUID outbox_id = getInventoryModel()->findCategoryUUIDForType(LLFolderType::FT_OUTBOX, false, false);
+		const LLUUID outbox_id = getInventoryModel()->findCategoryUUIDForType(LLFolderType::FT_OUTBOX, false);
 		copy_folder_to_outbox(cat, outbox_id, cat->getUUID(), LLToolDragAndDrop::getOperationId());
 	}
 #if ENABLE_MERCHANT_SEND_TO_MARKETPLACE_CONTEXT_MENU
@@ -2921,17 +3048,24 @@ LLUIImagePtr LLFolderBridge::getIcon() const
 LLUIImagePtr LLFolderBridge::getIcon(LLFolderType::EType preferred_type)
 {
 	return LLUI::getUIImage(LLViewerFolderType::lookupIconName(preferred_type, FALSE));
-		/*case LLAssetType::AT_MESH:
-			control = "inv_folder_mesh.tga";
-			break;*/
 }
 
-LLUIImagePtr LLFolderBridge::getOpenIcon() const
+LLUIImagePtr LLFolderBridge::getIconOpen() const
 {
 	return LLUI::getUIImage(LLViewerFolderType::lookupIconName(getPreferredType(), TRUE));
 
 }
 
+LLUIImagePtr LLFolderBridge::getIconOverlay() const
+{
+	if (getInventoryObject() && getInventoryObject()->getIsLinkType())
+	{
+		return LLUI::getUIImage("Inv_Link");
+	}
+	return NULL;
+}
+
+
 BOOL LLFolderBridge::renameItem(const std::string& new_name)
 {
 	rename_category(getInventoryModel(), mUUID, new_name);
@@ -2995,6 +3129,19 @@ bool LLFolderBridge::removeItemResponse(const LLSD& notification, const LLSD& re
 	return FALSE;
 }
 
+//Recursively update the folder's creation date
+void LLFolderBridge::updateHierarchyCreationDate(time_t date)
+{
+    if(getCreationDate() < date)
+    {
+        setCreationDate(date);
+        if(mParent)
+        {
+            static_cast<LLFolderBridge *>(mParent)->updateHierarchyCreationDate(date);
+        }
+    }
+}
+
 void LLFolderBridge::pasteFromClipboard()
 {
 	LLInventoryModel* model = getInventoryModel();
@@ -3012,7 +3159,7 @@ void LLFolderBridge::pasteFromClipboard()
 
 		if (move_is_into_outbox)
 		{
-			LLFolderViewItem * outbox_itemp = mRoot->getItemByID(mUUID);
+			LLFolderViewItem * outbox_itemp =   mInventoryPanel.get()->getItemByID(mUUID);
 
 			if (outbox_itemp)
 			{
@@ -3035,7 +3182,7 @@ void LLFolderBridge::pasteFromClipboard()
 						void * cargo_data = (void *) item;
 						std::string tooltip_msg;
 
-						can_list = outbox_itemp->getListener()->dragOrDrop(mask, drop, cargo_type, cargo_data, tooltip_msg);
+						can_list = outbox_itemp->getViewModelItem()->dragOrDrop(mask, drop, cargo_type, cargo_data, tooltip_msg);
 					}
 				}
 
@@ -3077,7 +3224,8 @@ void LLFolderBridge::pasteFromClipboard()
 						LLViewerInventoryCategory* vicat = (LLViewerInventoryCategory *) model->getCategory(item_id);
 						llassert(vicat);
 						if (vicat)
-						{
+						{       
+                            //changeCategoryParent() implicity calls dirtyFilter
 							changeCategoryParent(model, vicat, parent_id, FALSE);
 						}
 					}
@@ -3087,6 +3235,7 @@ void LLFolderBridge::pasteFromClipboard()
 					llassert(viitem);
 					if (viitem)
 					{
+                        //changeItemParent() implicity calls dirtyFilter
 						changeItemParent(model, viitem, parent_id, FALSE);
 					}
 				}
@@ -3207,7 +3356,7 @@ BOOL LLFolderBridge::checkFolderForContentsOfType(LLInventoryModel* model, LLInv
 	return ((item_array.count() > 0) ? TRUE : FALSE );
 }
 
-void LLFolderBridge::buildContextMenuBaseOptions(U32 flags)
+void LLFolderBridge::buildContextMenuOptions(U32 flags, menuentry_vec_t&   items, menuentry_vec_t& disabled_items)
 {
 	LLInventoryModel* model = getInventoryModel();
 	llassert(model != NULL);
@@ -3218,30 +3367,30 @@ void LLFolderBridge::buildContextMenuBaseOptions(U32 flags)
 	if (lost_and_found_id == mUUID)
 	{
 		// This is the lost+found folder.
-		mItems.push_back(std::string("Empty Lost And Found"));
+		items.push_back(std::string("Empty Lost And Found"));
 
-		mDisabledItems.push_back(std::string("New Folder"));
-		mDisabledItems.push_back(std::string("New Script"));
-		mDisabledItems.push_back(std::string("New Note"));
-		mDisabledItems.push_back(std::string("New Gesture"));
-		mDisabledItems.push_back(std::string("New Clothes"));
-		mDisabledItems.push_back(std::string("New Body Parts"));
+		disabled_items.push_back(std::string("New Folder"));
+		disabled_items.push_back(std::string("New Script"));
+		disabled_items.push_back(std::string("New Note"));
+		disabled_items.push_back(std::string("New Gesture"));
+		disabled_items.push_back(std::string("New Clothes"));
+		disabled_items.push_back(std::string("New Body Parts"));
 	}
 
 	if(trash_id == mUUID)
 	{
 		// This is the trash.
-		mItems.push_back(std::string("Empty Trash"));
+		items.push_back(std::string("Empty Trash"));
 	}
 	else if(isItemInTrash())
 	{
 		// This is a folder in the trash.
-		mItems.clear(); // clear any items that used to exist
-		addTrashContextMenuOptions(mItems, mDisabledItems);
+		items.clear(); // clear any items that used to exist
+		addTrashContextMenuOptions(items, disabled_items);
 	}
 	else if(isOutboxFolder())
 	{
-		addOutboxContextMenuOptions(flags, mItems, mDisabledItems);
+		addOutboxContextMenuOptions(flags, items, disabled_items);
 	}
 	else if(isAgentInventory()) // do not allow creating in library
 	{
@@ -3255,40 +3404,40 @@ void LLFolderBridge::buildContextMenuBaseOptions(U32 flags)
 				// Do not allow to create 2-level subfolder in the Calling Card/Friends folder. EXT-694.
 				if (!LLFriendCardsManager::instance().isCategoryInFriendFolder(cat))
 				{
-					mItems.push_back(std::string("New Folder"));
+					items.push_back(std::string("New Folder"));
 				}
 
-				mItems.push_back(std::string("New Script"));
-				mItems.push_back(std::string("New Note"));
-				mItems.push_back(std::string("New Gesture"));
-				mItems.push_back(std::string("New Clothes"));
-				mItems.push_back(std::string("New Body Parts"));
+				items.push_back(std::string("New Script"));
+				items.push_back(std::string("New Note"));
+				items.push_back(std::string("New Gesture"));
+				items.push_back(std::string("New Clothes"));
+				items.push_back(std::string("New Body Parts"));
 			}
 #if SUPPORT_ENSEMBLES
 			// Changing folder types is an unfinished unsupported feature
 			// and can lead to unexpected behavior if enabled.
-			mItems.push_back(std::string("Change Type"));
+			items.push_back(std::string("Change Type"));
 			const LLViewerInventoryCategory *cat = getCategory();
 			if (cat && LLFolderType::lookupIsProtectedType(cat->getPreferredType()))
 			{
-				mDisabledItems.push_back(std::string("Change Type"));
+				disabled_items.push_back(std::string("Change Type"));
 			}
 #endif
-			getClipboardEntries(false, mItems, mDisabledItems, flags);
+			getClipboardEntries(false, items, disabled_items, flags);
 		}
 		else
 		{
 			// Want some but not all of the items from getClipboardEntries for outfits.
 			if (cat && (cat->getPreferredType() == LLFolderType::FT_OUTFIT))
 			{
-				mItems.push_back(std::string("Rename"));
+				items.push_back(std::string("Rename"));
 
-				addDeleteContextMenuOptions(mItems, mDisabledItems);
+				addDeleteContextMenuOptions(items, disabled_items);
 				// EXT-4030: disallow deletion of currently worn outfit
 				const LLViewerInventoryItem *base_outfit_link = LLAppearanceMgr::instance().getBaseOutfitLink();
 				if (base_outfit_link && (cat == base_outfit_link->getLinkedCategory()))
 				{
-					mDisabledItems.push_back(std::string("Delete"));
+					disabled_items.push_back(std::string("Delete"));
 				}
 			}
 		}
@@ -3317,20 +3466,43 @@ void LLFolderBridge::buildContextMenuBaseOptions(U32 flags)
 	// Preemptively disable system folder removal if more than one item selected.
 	if ((flags & FIRST_SELECTED_ITEM) == 0)
 	{
-		mDisabledItems.push_back(std::string("Delete System Folder"));
+		disabled_items.push_back(std::string("Delete System Folder"));
 	}
 
 	if (!isOutboxFolder())
 	{
-		mItems.push_back(std::string("Share"));
+		items.push_back(std::string("Share"));
 		if (!canShare())
 		{
-			mDisabledItems.push_back(std::string("Share"));
+			disabled_items.push_back(std::string("Share"));
 		}
 	}
+	// Add menu items that are dependent on the contents of the folder.
+	LLViewerInventoryCategory* category = (LLViewerInventoryCategory *) model->getCategory(mUUID);
+	if (category)
+	{
+		uuid_vec_t folders;
+		folders.push_back(category->getUUID());
+
+		sSelf = getHandle();
+		LLRightClickInventoryFetchDescendentsObserver* fetch = new LLRightClickInventoryFetchDescendentsObserver(folders);
+		fetch->startFetch();
+		if (fetch->isFinished())
+		{
+			// Do not call execute() or done() here as if the folder is here, there's likely no point drilling down 
+			// This saves lots of time as buildContextMenu() is called a lot
+			delete fetch;
+			buildContextMenuFolderOptions(flags, items, disabled_items);
+		}
+		else
+		{
+			// it's all on its way - add an observer, and the inventory will call done for us when everything is here.
+			gInventory.addObserver(fetch);
+	}
+}
 }
 
-void LLFolderBridge::buildContextMenuFolderOptions(U32 flags)
+void LLFolderBridge::buildContextMenuFolderOptions(U32 flags,   menuentry_vec_t& items, menuentry_vec_t& disabled_items)
 {
 	// Build folder specific options back up
 	LLInventoryModel* model = getInventoryModel();
@@ -3357,21 +3529,21 @@ void LLFolderBridge::buildContextMenuFolderOptions(U32 flags)
 		LLIsType is_callingcard(LLAssetType::AT_CALLINGCARD);
 		if (mCallingCards || checkFolderForContentsOfType(model, is_callingcard))
 		{
-			mItems.push_back(std::string("Calling Card Separator"));
-			mItems.push_back(std::string("Conference Chat Folder"));
-			mItems.push_back(std::string("IM All Contacts In Folder"));
+			items.push_back(std::string("Calling Card Separator"));
+			items.push_back(std::string("Conference Chat Folder"));
+			items.push_back(std::string("IM All Contacts In Folder"));
 		}
 	}
 
 	if (!isItemRemovable())
 	{
-		mDisabledItems.push_back(std::string("Delete"));
+		disabled_items.push_back(std::string("Delete"));
 	}
 
 #ifndef LL_RELEASE_FOR_DOWNLOAD
 	if (LLFolderType::lookupIsProtectedType(type))
 	{
-		mItems.push_back(std::string("Delete System Folder"));
+		items.push_back(std::string("Delete System Folder"));
 	}
 #endif
 
@@ -3386,7 +3558,7 @@ void LLFolderBridge::buildContextMenuFolderOptions(U32 flags)
 		checkFolderForContentsOfType(model, is_object) ||
 		checkFolderForContentsOfType(model, is_gesture) )
 	{
-		mItems.push_back(std::string("Folder Wearables Separator"));
+		items.push_back(std::string("Folder Wearables Separator"));
 
 		// Only enable add/replace outfit for non-system folders.
 		if (!is_system_folder)
@@ -3394,25 +3566,25 @@ void LLFolderBridge::buildContextMenuFolderOptions(U32 flags)
 			// Adding an outfit onto another (versus replacing) doesn't make sense.
 			if (type != LLFolderType::FT_OUTFIT)
 			{
-				mItems.push_back(std::string("Add To Outfit"));
+				items.push_back(std::string("Add To Outfit"));
 			}
 
-			mItems.push_back(std::string("Replace Outfit"));
+			items.push_back(std::string("Replace Outfit"));
 		}
 		if (is_ensemble)
 		{
-			mItems.push_back(std::string("Wear As Ensemble"));
+			items.push_back(std::string("Wear As Ensemble"));
 		}
-		mItems.push_back(std::string("Remove From Outfit"));
+		items.push_back(std::string("Remove From Outfit"));
 		if (!LLAppearanceMgr::getCanRemoveFromCOF(mUUID))
 		{
-			mDisabledItems.push_back(std::string("Remove From Outfit"));
+			disabled_items.push_back(std::string("Remove From Outfit"));
 		}
 		if (!LLAppearanceMgr::instance().getCanReplaceCOF(mUUID))
 		{
-			mDisabledItems.push_back(std::string("Replace Outfit"));
+			disabled_items.push_back(std::string("Replace Outfit"));
 		}
-		mItems.push_back(std::string("Outfit Separator"));
+		items.push_back(std::string("Outfit Separator"));
 	}
 }
 
@@ -3421,49 +3593,28 @@ void LLFolderBridge::buildContextMenu(LLMenuGL& menu, U32 flags)
 {
 	sSelf.markDead();
 
-	mItems.clear();
-	mDisabledItems.clear();
+	// fetch contents of this folder, as context menu can depend on contents
+	// still, user would have to open context menu again to see the changes
+	gInventory.fetchDescendentsOf(getUUID());
+
+
+	menuentry_vec_t items;
+	menuentry_vec_t disabled_items;
 
 	lldebugs << "LLFolderBridge::buildContextMenu()" << llendl;
 
 	LLInventoryModel* model = getInventoryModel();
 	if(!model) return;
 
-	buildContextMenuBaseOptions(flags);
-
-	// Add menu items that are dependent on the contents of the folder.
-	LLViewerInventoryCategory* category = (LLViewerInventoryCategory *) model->getCategory(mUUID);
-	if (category)
-	{
-		uuid_vec_t folders;
-		folders.push_back(category->getUUID());
-
-		sSelf = getHandle();
-		LLRightClickInventoryFetchDescendentsObserver* fetch = new LLRightClickInventoryFetchDescendentsObserver(folders);
-		fetch->startFetch();
-		if (fetch->isFinished())
-		{
-			// Do not call execute() or done() here as if the folder is here, there's likely no point drilling down 
-			// This saves lots of time as buildContextMenu() is called a lot
-			delete fetch;
-			buildContextMenuFolderOptions(flags);
-		}
-		else
-		{
-			// it's all on its way - add an observer, and the inventory will call done for us when everything is here.
-			inc_busy_count();
-			gInventory.addObserver(fetch);
-		}
-	}
-
-	hide_context_entries(menu, mItems, mDisabledItems);
+	buildContextMenuOptions(flags, items, disabled_items);
+        hide_context_entries(menu, items, disabled_items);
 
 	// Reposition the menu, in case we're adding items to an existing menu.
 	menu.needsArrange();
 	menu.arrangeAndClear();
 }
 
-BOOL LLFolderBridge::hasChildren() const
+bool LLFolderBridge::hasChildren() const
 {
 	LLInventoryModel* model = getInventoryModel();
 	if(!model) return FALSE;
@@ -3553,25 +3704,6 @@ void LLFolderBridge::pasteClipboard(void* user_data)
 	if(self) self->pasteFromClipboard();
 }
 
-void LLFolderBridge::createNewCategory(void* user_data)
-{
-	LLFolderBridge* bridge = (LLFolderBridge*)user_data;
-	if(!bridge) return;
-	LLInventoryPanel* panel = bridge->mInventoryPanel.get();
-	if (!panel) return;
-	LLInventoryModel* model = panel->getModel();
-	if(!model) return;
-	LLUUID id;
-	id = model->createNewCategory(bridge->getUUID(),
-								  LLFolderType::FT_NONE,
-								  LLStringUtil::null);
-	model->notifyObservers();
-
-	// At this point, the bridge has probably been deleted, but the
-	// view is still there.
-	panel->setSelection(id, TAKE_FOCUS_YES);
-}
-
 void LLFolderBridge::createNewShirt(void* user_data)
 {
 	LLFolderBridge::createWearable((LLFolderBridge*)user_data, LLWearableType::WT_SHIRT);
@@ -3637,6 +3769,24 @@ void LLFolderBridge::createNewEyes(void* user_data)
 	LLFolderBridge::createWearable((LLFolderBridge*)user_data, LLWearableType::WT_EYES);
 }
 
+EInventorySortGroup LLFolderBridge::getSortGroup() const
+{
+	LLFolderType::EType preferred_type = getPreferredType();
+
+	if (preferred_type == LLFolderType::FT_TRASH)
+	{
+		return SG_TRASH_FOLDER;
+	}
+
+	if(LLFolderType::lookupIsProtectedType(preferred_type))
+	{
+		return SG_SYSTEM_FOLDER;
+	}
+
+	return SG_NORMAL_FOLDER;
+}
+
+
 // static
 void LLFolderBridge::createWearable(LLFolderBridge* bridge, LLWearableType::EType type)
 {
@@ -3739,9 +3889,10 @@ void LLFolderBridge::dropToFavorites(LLInventoryItem* inv_item)
 	LLPointer<AddFavoriteLandmarkCallback> cb = new AddFavoriteLandmarkCallback();
 	LLInventoryPanel* panel = mInventoryPanel.get();
 	LLFolderViewItem* drag_over_item = panel ? panel->getRootFolder()->getDraggingOverItem() : NULL;
-	if (drag_over_item && drag_over_item->getListener())
+	LLFolderViewModelItemInventory* view_model = drag_over_item ? static_cast<LLFolderViewModelItemInventory*>(drag_over_item->getViewModelItem()) : NULL;
+	if (view_model)
 	{
-		cb.get()->setTargetLandmarkId(drag_over_item->getListener()->getUUID());
+		cb.get()->setTargetLandmarkId(view_model->getUUID());
 	}
 
 	copy_inventory_item(
@@ -3790,7 +3941,7 @@ BOOL LLFolderBridge::dragItemIntoFolder(LLInventoryItem* inv_item,
 	LLInventoryPanel* destination_panel = mInventoryPanel.get();
 	if (!destination_panel) return false;
 
-	LLInventoryFilter* filter = destination_panel->getFilter();
+	LLInventoryFilter* filter = getInventoryFilter();
 	if (!filter) return false;
 
 	const LLUUID &current_outfit_id = model->findCategoryUUIDForType(LLFolderType::FT_CURRENT_OUTFIT, false);
@@ -3907,13 +4058,10 @@ BOOL LLFolderBridge::dragItemIntoFolder(LLInventoryItem* inv_item,
 		// passes the filter of the destination panel.
 		if (accept && active_panel)
 		{
-			LLFolderView* active_folder_view = active_panel->getRootFolder();
-			if (!active_folder_view) return false;
-
-			LLFolderViewItem* fv_item = active_folder_view->getItemByID(inv_item->getUUID());
+			LLFolderViewItem* fv_item =   active_panel->getItemByID(inv_item->getUUID());
 			if (!fv_item) return false;
 
-			accept = filter->check(fv_item);
+			accept = filter->check(fv_item->getViewModelItem());
 		}
 
 		if (accept && drop)
@@ -3925,6 +4073,8 @@ BOOL LLFolderBridge::dragItemIntoFolder(LLInventoryItem* inv_item,
 			}
 			// If an item is being dragged between windows, unselect everything in the active window 
 			// so that we don't follow the selection to its new location (which is very annoying).
+                        // RN: a better solution would be to deselect automatically when an   item is moved
+			// and then select any item that is dropped only in the panel that it   is dropped in
 			if (active_panel && (destination_panel != active_panel))
 				{
 					active_panel->unSelectAll();
@@ -3942,8 +4092,8 @@ BOOL LLFolderBridge::dragItemIntoFolder(LLInventoryItem* inv_item,
 				if (itemp)
 				{
 					LLUUID srcItemId = inv_item->getUUID();
-					LLUUID destItemId = itemp->getListener()->getUUID();
-					gInventory.rearrangeFavoriteLandmarks(srcItemId, destItemId);
+					LLUUID destItemId = static_cast<LLFolderViewModelItemInventory*>(itemp->getViewModelItem())->getUUID();
+					LLFavoritesOrderStorage::instance().rearrangeFavoriteLandmarks(srcItemId, destItemId);
 				}
 			}
 
@@ -3975,7 +4125,7 @@ BOOL LLFolderBridge::dragItemIntoFolder(LLInventoryItem* inv_item,
 			else
 			{
 				// set up observer to select item once drag and drop from inbox is complete 
-				if (gInventory.isObjectDescendentOf(inv_item->getUUID(), gInventory.findCategoryUUIDForType(LLFolderType::FT_INBOX, false, false)))
+				if (gInventory.isObjectDescendentOf(inv_item->getUUID(), gInventory.findCategoryUUIDForType(LLFolderType::FT_INBOX, false)))
 				{
 					set_dad_inbox_object(inv_item->getUUID());
 				}
@@ -4130,13 +4280,10 @@ BOOL LLFolderBridge::dragItemIntoFolder(LLInventoryItem* inv_item,
 			// passes the filter of the destination panel.
 			if (accept && active_panel)
 			{
-				LLFolderView* active_folder_view = active_panel->getRootFolder();
-				if (!active_folder_view) return false;
-
-				LLFolderViewItem* fv_item = active_folder_view->getItemByID(inv_item->getUUID());
+				LLFolderViewItem* fv_item =   active_panel->getItemByID(inv_item->getUUID());
 				if (!fv_item) return false;
 
-				accept = filter->check(fv_item);
+				accept = filter->check(fv_item->getViewModelItem());
 			}
 
 			if (accept && drop)
@@ -4176,10 +4323,10 @@ BOOL LLFolderBridge::dragItemIntoFolder(LLInventoryItem* inv_item,
 // static
 bool check_category(LLInventoryModel* model,
 					const LLUUID& cat_id,
-					LLFolderView* active_folder_view,
+					LLInventoryPanel* active_panel,
 					LLInventoryFilter* filter)
 {
-	if (!model || !active_folder_view || !filter)
+	if (!model || !active_panel || !filter)
 		return false;
 
 	if (!filter->checkFolder(cat_id))
@@ -4199,13 +4346,13 @@ bool check_category(LLInventoryModel* model,
 		// Empty folder should be checked as any other folder view item.
 		// If we are filtering by date the folder should not pass because
 		// it doesn't have its own creation date. See LLInvFVBridge::getCreationDate().
-		return check_item(cat_id, active_folder_view, filter);
+		return check_item(cat_id, active_panel, filter);
 	}
 
 	for (S32 i = 0; i < num_descendent_categories; ++i)
 	{
 		LLInventoryCategory* category = descendent_categories[i];
-		if(!check_category(model, category->getUUID(), active_folder_view, filter))
+		if(!check_category(model, category->getUUID(), active_panel, filter))
 		{
 			return false;
 		}
@@ -4214,7 +4361,7 @@ bool check_category(LLInventoryModel* model,
 	for (S32 i = 0; i < num_descendent_items; ++i)
 	{
 		LLViewerInventoryItem* item = descendent_items[i];
-		if(!check_item(item->getUUID(), active_folder_view, filter))
+		if(!check_item(item->getUUID(), active_panel, filter))
 		{
 			return false;
 		}
@@ -4225,15 +4372,15 @@ bool check_category(LLInventoryModel* model,
 
 // static
 bool check_item(const LLUUID& item_id,
-				LLFolderView* active_folder_view,
+				LLInventoryPanel* active_panel,
 				LLInventoryFilter* filter)
 {
-	if (!active_folder_view || !filter) return false;
+	if (!active_panel || !filter) return false;
 
-	LLFolderViewItem* fv_item = active_folder_view->getItemByID(item_id);
+	LLFolderViewItem* fv_item = active_panel->getItemByID(item_id);
 	if (!fv_item) return false;
 
-	return filter->check(fv_item);
+	return filter->check(fv_item->getViewModelItem());
 }
 
 // +=================================================+
@@ -4335,15 +4482,6 @@ void LLSoundBridge::openItem()
 	}
 }
 
-void LLSoundBridge::previewItem()
-{
-	LLViewerInventoryItem* item = getItem();
-	if(item)
-	{
-		send_sound_trigger(item->getAssetUUID(), 1.0);
-	}
-}
-
 void LLSoundBridge::openSoundPreview(void* which)
 {
 	LLSoundBridge *me = (LLSoundBridge *)which;
@@ -4561,7 +4699,7 @@ LLCallingCardBridge::~LLCallingCardBridge()
 void LLCallingCardBridge::refreshFolderViewItem()
 {
 	LLInventoryPanel* panel = mInventoryPanel.get();
-	LLFolderViewItem* itemp = panel ? panel->getRootFolder()->getItemByID(mUUID) : NULL;
+	LLFolderViewItem* itemp = panel ? panel->getItemByID(mUUID) : NULL;
 	if (itemp)
 	{
 		itemp->refresh();
@@ -4577,19 +4715,16 @@ void LLCallingCardBridge::performAction(LLInventoryModel* model, std::string act
 		if (item && (item->getCreatorUUID() != gAgent.getID()) &&
 			(!item->getCreatorUUID().isNull()))
 		{
-			std::string callingcard_name;
-			gCacheName->getFullName(item->getCreatorUUID(), callingcard_name);
-			// IDEVO
+			std::string callingcard_name = LLCacheName::getDefaultName();
 			LLAvatarName av_name;
-			if (LLAvatarNameCache::useDisplayNames()
-				&& LLAvatarNameCache::get(item->getCreatorUUID(), &av_name))
+			if (LLAvatarNameCache::get(item->getCreatorUUID(), &av_name))
 			{
-				callingcard_name = av_name.mDisplayName + " (" + av_name.mUsername + ")";
+				callingcard_name = av_name.getCompleteName();
 			}
 			LLUUID session_id = gIMMgr->addSession(callingcard_name, IM_NOTHING_SPECIAL, item->getCreatorUUID());
 			if (session_id != LLUUID::null)
 			{
-				LLIMFloater::show(session_id);
+				LLFloaterIMContainer::getInstance()->showConversation(session_id);
 			}
 		}
 	}
@@ -5331,6 +5466,7 @@ void LLObjectBridge::buildContextMenu(LLMenuGL& menu, U32 flags)
 						p.on_enable.parameter = cbparams;
 						LLView* parent = attachment->getIsHUDAttachment() ? attach_hud_menu : attach_menu;
 						LLUICtrlFactory::create<LLMenuItemCallGL>(p, parent);
+						items.push_back(p.name);
 					}
 				}
 			}
@@ -5352,11 +5488,10 @@ BOOL LLObjectBridge::renameItem(const std::string& new_name)
 	{
 		LLPointer<LLViewerInventoryItem> new_item = new LLViewerInventoryItem(item);
 		new_item->rename(new_name);
-		buildDisplayName(new_item, mDisplayName);
 		new_item->updateServer(FALSE);
 		model->updateItem(new_item);
-
 		model->notifyObservers();
+		buildDisplayName();
 
 		if (isAgentAvatarValid())
 		{
@@ -5956,16 +6091,6 @@ void LLMeshBridge::openItem()
 	}
 }
 
-void LLMeshBridge::previewItem()
-{
-	LLViewerInventoryItem* item = getItem();
-	if(item)
-	{
-		// preview mesh
-	}
-}
-
-
 void LLMeshBridge::buildContextMenu(LLMenuGL& menu, U32 flags)
 {
 	lldebugs << "LLMeshBridge::buildContextMenu()" << llendl;
@@ -6054,14 +6179,15 @@ void LLLinkFolderBridge::gotoItem()
 	const LLUUID &cat_uuid = getFolderID();
 	if (!cat_uuid.isNull())
 	{
-		if (LLFolderViewItem *base_folder = mRoot->getItemByID(cat_uuid))
+		LLFolderViewItem *base_folder = mInventoryPanel.get()->getItemByID(cat_uuid);
+		if (base_folder)
 		{
 			if (LLInventoryModel* model = getInventoryModel())
 			{
 				model->fetchDescendentsOf(cat_uuid);
 			}
 			base_folder->setOpen(TRUE);
-			mRoot->setSelectionFromRoot(base_folder,TRUE);
+			mRoot->setSelection(base_folder,TRUE);
 			mRoot->scrollToShowSelection();
 		}
 	}
@@ -6392,9 +6518,8 @@ LLInvFVBridgeAction* LLInvFVBridgeAction::createAction(LLAssetType::EType asset_
 /************************************************************************/
 void LLRecentItemsFolderBridge::buildContextMenu(LLMenuGL& menu, U32 flags)
 {
-	LLFolderBridge::buildContextMenu(menu, flags);
-
-	menuentry_vec_t disabled_items, items = getMenuItems();
+	menuentry_vec_t disabled_items, items;
+        buildContextMenuOptions(flags, items, disabled_items);
 
 	items.erase(std::remove(items.begin(), items.end(), std::string("New Folder")), items.end());
 
@@ -6406,42 +6531,29 @@ LLInvFVBridge* LLRecentInventoryBridgeBuilder::createBridge(
 	LLAssetType::EType actual_asset_type,
 	LLInventoryType::EType inv_type,
 	LLInventoryPanel* inventory,
+	LLFolderViewModelInventory* view_model,
 	LLFolderView* root,
 	const LLUUID& uuid,
 	U32 flags /*= 0x00*/ ) const
 {
 	LLInvFVBridge* new_listener = NULL;
-	switch(asset_type)
+	if (asset_type == LLAssetType::AT_CATEGORY 
+		&& actual_asset_type != LLAssetType::AT_LINK_FOLDER)
 	{
-	case LLAssetType::AT_CATEGORY:
-		if (actual_asset_type == LLAssetType::AT_LINK_FOLDER)
+		new_listener = new LLRecentItemsFolderBridge(inv_type, inventory, root, uuid);
+	}
+	else
 		{
-			// *TODO: Create a link folder handler instead if it is necessary
-			new_listener = LLInventoryFVBridgeBuilder::createBridge(
-				asset_type,
+		new_listener = LLInventoryFolderViewModelBuilder::createBridge(asset_type,
 				actual_asset_type,
 				inv_type,
 				inventory,
+																view_model,
 				root,
 				uuid,
 				flags);
-			break;
 		}
-		new_listener = new LLRecentItemsFolderBridge(inv_type, inventory, root, uuid);
-		break;
-	default:
-		new_listener = LLInventoryFVBridgeBuilder::createBridge(
-			asset_type,
-			actual_asset_type,
-			inv_type,
-			inventory,
-			root,
-			uuid,
-			flags);
-	}
 	return new_listener;
-
 }
 
-
 // EOF
diff --git a/indra/newview/llinventorybridge.h b/indra/newview/llinventorybridge.h
index 118430efe1..5c6cf0f0f0 100644
--- a/indra/newview/llinventorybridge.h
+++ b/indra/newview/llinventorybridge.h
@@ -29,11 +29,13 @@
 
 #include "llcallingcard.h"
 #include "llfloaterproperties.h"
-#include "llfoldervieweventlistener.h"
+#include "llfolderviewmodel.h"
 #include "llinventorymodel.h"
 #include "llinventoryobserver.h"
+#include "llinventorypanel.h"
 #include "llviewercontrol.h"
 #include "llwearable.h"
+#include "lltooldraganddrop.h"
 
 class LLInventoryFilter;
 class LLInventoryPanel;
@@ -41,7 +43,7 @@ class LLInventoryModel;
 class LLMenuGL;
 class LLCallingCardObserver;
 class LLViewerJointAttachment;
-
+class LLFolderView;
 
 typedef std::vector<std::string> menuentry_vec_t;
 
@@ -56,7 +58,7 @@ typedef std::vector<std::string> menuentry_vec_t;
 // functionality a bit. (except for folders, you can create those
 // manually...)
 //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-class LLInvFVBridge : public LLFolderViewEventListener
+class LLInvFVBridge : public LLFolderViewModelItemInventory
 {
 public:
 	// This method is a convenience function which creates the correct
@@ -65,6 +67,7 @@ public:
 									   LLAssetType::EType actual_asset_type,
 									   LLInventoryType::EType inv_type,
 									   LLInventoryPanel* inventory,
+									   LLFolderViewModelInventory* view_model,
 									   LLFolderView* root,
 									   const LLUUID& uuid,
 									   U32 flags = 0x00);
@@ -78,23 +81,25 @@ public:
 	// LLInvFVBridge functionality
 	//--------------------------------------------------------------------
 	virtual const LLUUID& getUUID() const { return mUUID; }
-	virtual void clearDisplayName() {}
+	virtual void clearDisplayName() { mDisplayName.clear(); }
 	virtual void restoreItem() {}
 	virtual void restoreToWorld() {}
 
 	//--------------------------------------------------------------------
-	// Inherited LLFolderViewEventListener functions
+	// Inherited LLFolderViewModelItemInventory functions
 	//--------------------------------------------------------------------
 	virtual const std::string& getName() const;
 	virtual const std::string& getDisplayName() const;
+	const std::string& getSearchableName() const { return mSearchableName; }
+
 	virtual PermissionMask getPermissionMask() const;
 	virtual LLFolderType::EType getPreferredType() const;
 	virtual time_t getCreationDate() const;
+        virtual void setCreationDate(time_t creation_date_utc);
 	virtual LLFontGL::StyleFlags getLabelStyle() const { return LLFontGL::NORMAL; }
 	virtual std::string getLabelSuffix() const { return LLStringUtil::null; }
 	virtual void openItem() {}
 	virtual void closeItem() {}
-	virtual void previewItem() {openItem();}
 	virtual void showProperties();
 	virtual BOOL isItemRenameable() const { return TRUE; }
 	//virtual BOOL renameItem(const std::string& new_name) {}
@@ -102,9 +107,10 @@ public:
 	virtual BOOL isItemMovable() const;
 	virtual BOOL isItemInTrash() const;
 	virtual BOOL isLink() const;
+	virtual BOOL isLibraryItem() const;
 	//virtual BOOL removeItem() = 0;
-	virtual void removeBatch(LLDynamicArray<LLFolderViewEventListener*>& batch);
-	virtual void move(LLFolderViewEventListener* new_parent_bridge) {}
+	virtual void removeBatch(std::vector<LLFolderViewModelItem*>& batch);
+	virtual void move(LLFolderViewModelItem* new_parent_bridge) {}
 	virtual BOOL isItemCopyable() const { return FALSE; }
 	virtual BOOL copyToClipboard() const;
 	virtual BOOL cutToClipboard() const;
@@ -115,6 +121,7 @@ public:
 	void getClipboardEntries(bool show_asset_id, menuentry_vec_t &items, 
 							 menuentry_vec_t &disabled_items, U32 flags);
 	virtual void buildContextMenu(LLMenuGL& menu, U32 flags);
+    virtual LLToolDragAndDrop::ESource getDragSource() const;
 	virtual BOOL startDrag(EDragAndDropType* type, LLUUID* id) const;
 	virtual BOOL dragOrDrop(MASK mask, BOOL drop,
 							EDragAndDropType cargo_type,
@@ -122,6 +129,9 @@ public:
 							std::string& tooltip_msg) { return FALSE; }
 	virtual LLInventoryType::EType getInventoryType() const { return mInvType; }
 	virtual LLWearableType::EType getWearableType() const { return LLWearableType::WT_NONE; }
+        EInventorySortGroup getSortGroup()  const { return SG_ITEM; }
+	virtual LLInventoryObject* getInventoryObject() const;
+
 
 	//--------------------------------------------------------------------
 	// Convenience functions for adding various common menu options.
@@ -138,16 +148,16 @@ protected:
 protected:
 	LLInvFVBridge(LLInventoryPanel* inventory, LLFolderView* root, const LLUUID& uuid);
 
-	LLInventoryObject* getInventoryObject() const;
 	LLInventoryModel* getInventoryModel() const;
+	LLInventoryFilter* getInventoryFilter() const;
 	
 	BOOL isLinkedObjectInTrash() const; // Is this obj or its baseobj in the trash?
 	BOOL isLinkedObjectMissing() const; // Is this a linked obj whose baseobj is not in inventory?
 
 	BOOL isAgentInventory() const; // false if lost or in the inventory library
-	BOOL isCOFFolder() const; // true if COF or descendent of
-	BOOL isInboxFolder() const; // true if COF or descendent of marketplace inbox
-	BOOL isOutboxFolder() const; // true if COF or descendent of marketplace outbox
+	BOOL isCOFFolder() const;       // true if COF or descendant of
+	BOOL isInboxFolder() const;     // true if COF or descendant of   marketplace inbox
+	BOOL isOutboxFolder() const;    // true if COF or descendant of   marketplace outbox
 	BOOL isOutboxFolderDirectParent() const;
 	const LLUUID getOutboxFolder() const;
 
@@ -160,30 +170,36 @@ protected:
 									 LLViewerInventoryCategory* item,
 									 const LLUUID& new_parent,
 									 BOOL restamp);
-	void removeBatchNoCheck(LLDynamicArray<LLFolderViewEventListener*>& batch);
+	void removeBatchNoCheck(std::vector<LLFolderViewModelItem*>& batch);
 protected:
 	LLHandle<LLInventoryPanel> mInventoryPanel;
 	LLFolderView* mRoot;
 	const LLUUID mUUID;	// item id
 	LLInventoryType::EType mInvType;
-	BOOL mIsLink;
+	bool						mIsLink;
+	LLTimer						mTimeSinceRequestStart;
+	mutable std::string			mDisplayName;
+	mutable std::string			mSearchableName;
+
 	void purgeItem(LLInventoryModel *model, const LLUUID &uuid);
+	virtual void buildDisplayName() const {}
 };
 
 //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-// Class LLInvFVBridgeBuilder
+// Class LLInventoryFolderViewModelBuilder
 //
-// This class intended to build Folder View Bridge via LLInvFVBridge::createBridge.
-// It can be overridden with another way of creation necessary Inventory-Folder-View-Bridge.
+// This class intended to build Folder View Model via LLInvFVBridge::createBridge.
+// It can be overridden with another way of creation necessary Inventory Folder View Models.
 //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-class LLInventoryFVBridgeBuilder
+class LLInventoryFolderViewModelBuilder
 {
 public:
- 	virtual ~LLInventoryFVBridgeBuilder() {}
+ 	virtual ~LLInventoryFolderViewModelBuilder() {}
 	virtual LLInvFVBridge* createBridge(LLAssetType::EType asset_type,
 										LLAssetType::EType actual_asset_type,
 										LLInventoryType::EType inv_type,
 										LLInventoryPanel* inventory,
+										LLFolderViewModelInventory* view_model,
 										LLFolderView* root,
 										const LLUUID& uuid,
 										U32 flags = 0x00) const;
@@ -205,7 +221,6 @@ public:
 	virtual void restoreToWorld();
 	virtual void gotoItem();
 	virtual LLUIImagePtr getIcon() const;
-	virtual const std::string& getDisplayName() const;
 	virtual std::string getLabelSuffix() const;
 	virtual LLFontGL::StyleFlags getLabelStyle() const;
 	virtual PermissionMask getPermissionMask() const;
@@ -214,18 +229,17 @@ public:
 	virtual BOOL renameItem(const std::string& new_name);
 	virtual BOOL removeItem();
 	virtual BOOL isItemCopyable() const;
-	virtual BOOL hasChildren() const { return FALSE; }
+	virtual bool hasChildren() const { return FALSE; }
 	virtual BOOL isUpToDate() const { return TRUE; }
-	/*virtual*/ void clearDisplayName() { mDisplayName.clear(); }
+	virtual LLUIImagePtr getIconOverlay() const;
 
 	LLViewerInventoryItem* getItem() const;
 
 protected:
 	BOOL confirmRemoveItem(const LLSD& notification, const LLSD& response);
 	virtual BOOL isItemPermissive() const;
-	static void buildDisplayName(LLInventoryItem* item, std::string& name);
+	virtual void buildDisplayName() const;
 
-	mutable std::string mDisplayName;
 };
 
 class LLFolderBridge : public LLInvFVBridge
@@ -233,15 +247,18 @@ class LLFolderBridge : public LLInvFVBridge
 public:
 	LLFolderBridge(LLInventoryPanel* inventory, 
 				   LLFolderView* root,
-				   const LLUUID& uuid) :
-		LLInvFVBridge(inventory, root, uuid),
+				   const LLUUID& uuid) 
+        :       LLInvFVBridge(inventory, root, uuid),
 		mCallingCards(FALSE),
-		mWearables(FALSE)
+		mWearables(FALSE),
+		mIsLoading(false)
 	{}
 		
 	BOOL dragItemIntoFolder(LLInventoryItem* inv_item, BOOL drop, std::string& tooltip_msg);
 	BOOL dragCategoryIntoFolder(LLInventoryCategory* inv_category, BOOL drop, std::string& tooltip_msg);
 
+    virtual void buildDisplayName() const;
+
 	virtual void performAction(LLInventoryModel* model, std::string action);
 	virtual void openItem();
 	virtual void closeItem();
@@ -251,7 +268,9 @@ public:
 
 	virtual LLFolderType::EType getPreferredType() const;
 	virtual LLUIImagePtr getIcon() const;
-	virtual LLUIImagePtr getOpenIcon() const;
+	virtual LLUIImagePtr getIconOpen() const;
+	virtual LLUIImagePtr getIconOverlay() const;
+
 	static LLUIImagePtr getIcon(LLFolderType::EType preferred_type);
 
 	virtual BOOL renameItem(const std::string& new_name);
@@ -259,11 +278,12 @@ public:
 	virtual BOOL removeItem();
 	BOOL removeSystemFolder();
 	bool removeItemResponse(const LLSD& notification, const LLSD& response);
+    void updateHierarchyCreationDate(time_t date);
 
 	virtual void pasteFromClipboard();
 	virtual void pasteLinkFromClipboard();
 	virtual void buildContextMenu(LLMenuGL& menu, U32 flags);
-	virtual BOOL hasChildren() const;
+	virtual bool hasChildren() const;
 	virtual BOOL dragOrDrop(MASK mask, BOOL drop,
 							EDragAndDropType cargo_type,
 							void* cargo_data,
@@ -276,20 +296,24 @@ public:
 	virtual BOOL isClipboardPasteable() const;
 	virtual BOOL isClipboardPasteableAsLink() const;
 	
+	EInventorySortGroup getSortGroup()  const;
+	virtual void update();
+
 	static void createWearable(LLFolderBridge* bridge, LLWearableType::EType type);
 
 	LLViewerInventoryCategory* getCategory() const;
 	LLHandle<LLFolderBridge> getHandle() { mHandle.bind(this); return mHandle; }
 
+	bool isLoading() { return mIsLoading; }
+
 protected:
-	void buildContextMenuBaseOptions(U32 flags);
-	void buildContextMenuFolderOptions(U32 flags);
+	void buildContextMenuOptions(U32 flags, menuentry_vec_t& items,   menuentry_vec_t& disabled_items);
+	void buildContextMenuFolderOptions(U32 flags, menuentry_vec_t& items,   menuentry_vec_t& disabled_items);
 
 	//--------------------------------------------------------------------
 	// Menu callbacks
 	//--------------------------------------------------------------------
 	static void pasteClipboard(void* user_data);
-	static void createNewCategory(void* user_data);
 	static void createNewShirt(void* user_data);
 	static void createNewPants(void* user_data);
 	static void createNewShoes(void* user_data);
@@ -309,8 +333,6 @@ protected:
 	void modifyOutfit(BOOL append);
 	void determineFolderType();
 
-	menuentry_vec_t getMenuItems() { return mItems; } // returns a copy of current menu items
-
 	void dropToFavorites(LLInventoryItem* inv_item);
 	void dropToOutfit(LLInventoryItem* inv_item, BOOL move_is_into_current_outfit);
 
@@ -322,10 +344,11 @@ public:
 	static void staticFolderOptionsMenu();
 
 private:
-	BOOL				mCallingCards;
-	BOOL				mWearables;
-	menuentry_vec_t		mItems;
-	menuentry_vec_t		mDisabledItems;
+
+	bool							mCallingCards;
+	bool							mWearables;
+	bool							mIsLoading;
+	LLTimer							mTimeSinceRequestStart;
 	LLRootHandle<LLFolderBridge> mHandle;
 };
 
@@ -355,7 +378,6 @@ public:
 				  const LLUUID& uuid) :
 		LLItemBridge(inventory, root, uuid) {}
 	virtual void openItem();
-	virtual void previewItem();
 	virtual void buildContextMenu(LLMenuGL& menu, U32 flags);
 	static void openSoundPreview(void*);
 };
@@ -545,7 +567,6 @@ class LLMeshBridge : public LLItemBridge
 public:
 	virtual LLUIImagePtr getIcon() const;
 	virtual void openItem();
-	virtual void previewItem();
 	virtual void buildContextMenu(LLMenuGL& menu, U32 flags);
 
 protected:
@@ -621,7 +642,7 @@ public:
 };
 
 // Bridge builder to create Inventory-Folder-View-Bridge for Recent Inventory Panel
-class LLRecentInventoryBridgeBuilder : public LLInventoryFVBridgeBuilder
+class LLRecentInventoryBridgeBuilder : public LLInventoryFolderViewModelBuilder
 {
 public:
 	// Overrides FolderBridge for Recent Inventory Panel.
@@ -630,6 +651,7 @@ public:
 		LLAssetType::EType actual_asset_type,
 		LLInventoryType::EType inv_type,
 		LLInventoryPanel* inventory,
+		LLFolderViewModelInventory* view_model,
 		LLFolderView* root,
 		const LLUUID& uuid,
 		U32 flags = 0x00) const;
diff --git a/indra/newview/llinventoryfilter.cpp b/indra/newview/llinventoryfilter.cpp
index 4573074c73..92f2d33073 100644
--- a/indra/newview/llinventoryfilter.cpp
+++ b/indra/newview/llinventoryfilter.cpp
@@ -29,7 +29,7 @@
 #include "llinventoryfilter.h"
 
 // viewer includes
-#include "llfoldervieweventlistener.h"
+#include "llfolderviewmodel.h"
 #include "llfolderviewitem.h"
 #include "llinventorymodel.h"
 #include "llinventorymodelbackgroundfetch.h"
@@ -44,107 +44,86 @@
 
 LLFastTimer::DeclareTimer FT_FILTER_CLIPBOARD("Filter Clipboard");
 
-LLInventoryFilter::FilterOps::FilterOps() :
-	mFilterObjectTypes(0xffffffffffffffffULL),
-	mFilterCategoryTypes(0xffffffffffffffffULL),
-	mFilterWearableTypes(0xffffffffffffffffULL),
-	mMinDate(time_min()),
-	mMaxDate(time_max()),
-	mHoursAgo(0),
-	mShowFolderState(SHOW_NON_EMPTY_FOLDERS),
-	mPermissions(PERM_NONE),
-	mFilterTypes(FILTERTYPE_OBJECT),
-	mFilterUUID(LLUUID::null),
-	mFilterLinks(FILTERLINK_INCLUDE_LINKS)
+LLInventoryFilter::FilterOps::FilterOps(const Params& p)
+:	mFilterObjectTypes(p.object_types),
+	mFilterCategoryTypes(p.category_types),
+	mFilterWearableTypes(p.wearable_types),
+	mMinDate(p.date_range.min_date),
+	mMaxDate(p.date_range.max_date),
+	mHoursAgo(p.hours_ago),
+	mShowFolderState(p.show_folder_state),
+	mPermissions(p.permissions),
+	mFilterTypes(p.types),
+	mFilterUUID(p.uuid),
+	mFilterLinks(p.links)
 {
 }
 
 ///----------------------------------------------------------------------------
 /// Class LLInventoryFilter
 ///----------------------------------------------------------------------------
-LLInventoryFilter::LLInventoryFilter(const std::string& name)
-:	mName(name),
-	mModified(FALSE),
-	mNeedTextRebuild(TRUE),
-	mEmptyLookupMessage("InventoryNoMatchingItems")
+LLInventoryFilter::LLInventoryFilter(const Params& p)
+:	mName(p.name),
+	mFilterModified(FILTER_NONE),
+	mEmptyLookupMessage("InventoryNoMatchingItems"),
+    mFilterOps(p.filter_ops),
+	mFilterSubString(p.substring),
+	mCurrentGeneration(0),
+	mFirstRequiredGeneration(0),
+	mFirstSuccessGeneration(0),
+	mFilterCount(0)
 {
-	mOrder = SO_FOLDERS_BY_NAME; // This gets overridden by a pref immediately
-
-	mSubStringMatchOffset = 0;
-	mFilterSubString.clear();
-	mFilterGeneration = 0;
-	mMustPassGeneration = S32_MAX;
-	mMinRequiredGeneration = 0;
-	mFilterCount = 0;
-	mNextFilterGeneration = mFilterGeneration + 1;
-
-	mLastLogoff = gSavedPerAccountSettings.getU32("LastLogoff");
-	mFilterBehavior = FILTER_NONE;
+	mNextFilterGeneration = mCurrentGeneration + 1;
 
 	// copy mFilterOps into mDefaultFilterOps
 	markDefault();
 }
 
-LLInventoryFilter::~LLInventoryFilter()
-{
-}
-
-BOOL LLInventoryFilter::check(const LLFolderViewItem* item) 
+bool LLInventoryFilter::check(const LLFolderViewModelItem* item) 
 {
+	const LLFolderViewModelItemInventory* listener = dynamic_cast<const LLFolderViewModelItemInventory*>(item);
 	// Clipboard cut items are *always* filtered so we need this value upfront
-	const LLFolderViewEventListener* listener = item->getListener();
 	const BOOL passed_clipboard = (listener ? checkAgainstClipboard(listener->getUUID()) : TRUE);
 
 	// If it's a folder and we're showing all folders, return automatically.
-	const BOOL is_folder = (dynamic_cast<const LLFolderViewFolder*>(item) != NULL);
+	const BOOL is_folder = listener->getInventoryType() == LLInventoryType::IT_CATEGORY;
 	if (is_folder && (mFilterOps.mShowFolderState == LLInventoryFilter::SHOW_ALL_FOLDERS))
 	{
 		return passed_clipboard;
 	}
 
-	mSubStringMatchOffset = mFilterSubString.size() ? item->getSearchableLabel().find(mFilterSubString) : std::string::npos;
+	std::string::size_type string_offset = mFilterSubString.size() ? listener->getSearchableName().find(mFilterSubString) : std::string::npos;
 
-	const BOOL passed_filtertype = checkAgainstFilterType(item);
-	const BOOL passed_permissions = checkAgainstPermissions(item);
-	const BOOL passed_filterlink = checkAgainstFilterLinks(item);
-	const BOOL passed = (passed_filtertype &&
-						 passed_permissions &&
-						 passed_filterlink &&
-						 passed_clipboard &&
-						 (mFilterSubString.size() == 0 || mSubStringMatchOffset != std::string::npos));
+	BOOL passed = (mFilterSubString.size() == 0 || string_offset != std::string::npos);
+	passed = passed && checkAgainstFilterType(listener);
+	passed = passed && checkAgainstPermissions(listener);
+	passed = passed && checkAgainstFilterLinks(listener);
+	passed = passed && passed_clipboard;
 
 	return passed;
 }
 
 bool LLInventoryFilter::check(const LLInventoryItem* item)
 {
-	mSubStringMatchOffset = mFilterSubString.size() ? item->getName().find(mFilterSubString) : std::string::npos;
+	std::string::size_type string_offset = mFilterSubString.size() ? item->getName().find(mFilterSubString) : std::string::npos;
 
 	const bool passed_filtertype = checkAgainstFilterType(item);
 	const bool passed_permissions = checkAgainstPermissions(item);
 	const BOOL passed_clipboard = checkAgainstClipboard(item->getUUID());
-	const bool passed = (passed_filtertype &&
-						 passed_permissions &&
-						 passed_clipboard &&
-						 (mFilterSubString.size() == 0 || mSubStringMatchOffset != std::string::npos));
+	const bool passed = (passed_filtertype 
+		&& passed_permissions
+		&& passed_clipboard 
+		&&	(mFilterSubString.size() == 0 || string_offset != std::string::npos));
 
 	return passed;
 }
 
-bool LLInventoryFilter::checkFolder(const LLFolderViewFolder* folder) const
+bool LLInventoryFilter::checkFolder(const LLFolderViewModelItem* item) const
 {
-	if (!folder)
-	{
-		llwarns << "The filter can not be checked on an invalid folder." << llendl;
-		llassert(false); // crash in development builds
-		return false;
-	}
-
-	const LLFolderViewEventListener* listener = folder->getListener();
+	const LLFolderViewModelItemInventory* listener = dynamic_cast<const LLFolderViewModelItemInventory*>(item);
 	if (!listener)
 	{
-		llwarns << "Folder view event listener not found." << llendl;
-		llassert(false); // crash in development builds
+		llerrs << "Folder view event listener not found." << llendl;
 		return false;
 	}
 
@@ -155,6 +134,13 @@ bool LLInventoryFilter::checkFolder(const LLFolderViewFolder* folder) const
 
 bool LLInventoryFilter::checkFolder(const LLUUID& folder_id) const
 {
+	// when applying a filter, matching folders get their contents downloaded first
+	if (isNotDefault()
+		&& !gInventory.isCategoryComplete(folder_id))
+	{
+		LLInventoryModelBackgroundFetch::instance().start(folder_id);
+	}
+
 	// Always check against the clipboard
 	const BOOL passed_clipboard = checkAgainstClipboard(folder_id);
 	
@@ -163,14 +149,14 @@ bool LLInventoryFilter::checkFolder(const LLUUID& folder_id) const
 	{
 		return passed_clipboard;
 	}
-
+	
 	if (mFilterOps.mFilterTypes & FILTERTYPE_CATEGORY)
 	{
 		// Can only filter categories for items in your inventory
 		// (e.g. versus in-world object contents).
 		const LLViewerInventoryCategory *cat = gInventory.getCategory(folder_id);
 		if (!cat)
-			return false;
+			return folder_id.isNull();
 		LLFolderType::EType cat_type = cat->getPreferredType();
 		if (cat_type != LLFolderType::FT_NONE && (1LL << cat_type & mFilterOps.mFilterCategoryTypes) == U64(0))
 			return false;
@@ -179,9 +165,8 @@ bool LLInventoryFilter::checkFolder(const LLUUID& folder_id) const
 	return passed_clipboard;
 }
 
-BOOL LLInventoryFilter::checkAgainstFilterType(const LLFolderViewItem* item) const
+bool LLInventoryFilter::checkAgainstFilterType(const LLFolderViewModelItemInventory* listener) const
 {
-	const LLFolderViewEventListener* listener = item->getListener();
 	if (!listener) return FALSE;
 
 	LLInventoryType::EType object_type = listener->getInventoryType();
@@ -268,7 +253,7 @@ BOOL LLInventoryFilter::checkAgainstFilterType(const LLFolderViewItem* item) con
 			}
 		}
 	}
-
+	
 	return TRUE;
 }
 
@@ -347,13 +332,12 @@ bool LLInventoryFilter::checkAgainstClipboard(const LLUUID& object_id) const
 	return true;
 }
 
-BOOL LLInventoryFilter::checkAgainstPermissions(const LLFolderViewItem* item) const
+bool LLInventoryFilter::checkAgainstPermissions(const LLFolderViewModelItemInventory* listener) const
 {
-	const LLFolderViewEventListener* listener = item->getListener();
 	if (!listener) return FALSE;
 
 	PermissionMask perm = listener->getPermissionMask();
-	const LLInvFVBridge *bridge = dynamic_cast<const LLInvFVBridge *>(item->getListener());
+	const LLInvFVBridge *bridge = dynamic_cast<const LLInvFVBridge *>(listener);
 	if (bridge && bridge->isLink())
 	{
 		const LLUUID& linked_uuid = gInventory.getLinkedItemID(bridge->getUUID());
@@ -375,9 +359,8 @@ bool LLInventoryFilter::checkAgainstPermissions(const LLInventoryItem* item) con
 	return (perm & mFilterOps.mPermissions) == mFilterOps.mPermissions;
 }
 
-BOOL LLInventoryFilter::checkAgainstFilterLinks(const LLFolderViewItem* item) const
+bool LLInventoryFilter::checkAgainstFilterLinks(const LLFolderViewModelItemInventory* listener) const
 {
-	const LLFolderViewEventListener* listener = item->getListener();
 	if (!listener) return TRUE;
 
 	const LLUUID object_id = listener->getUUID();
@@ -397,20 +380,20 @@ const std::string& LLInventoryFilter::getFilterSubString(BOOL trim) const
 	return mFilterSubString;
 }
 
-std::string::size_type LLInventoryFilter::getStringMatchOffset() const
+std::string::size_type LLInventoryFilter::getStringMatchOffset(LLFolderViewModelItem* item) const
 {
-	return mSubStringMatchOffset;
+	return mFilterSubString.size() ? item->getSearchableName().find(mFilterSubString) : std::string::npos;
 }
 
-BOOL LLInventoryFilter::isDefault() const
+bool LLInventoryFilter::isDefault() const
 {
 	return !isNotDefault();
 }
 
 // has user modified default filter params?
-BOOL LLInventoryFilter::isNotDefault() const
+bool LLInventoryFilter::isNotDefault() const
 {
-	BOOL not_default = FALSE;
+	S32 not_default = 0;
 
 	not_default |= (mFilterOps.mFilterObjectTypes != mDefaultFilterOps.mFilterObjectTypes);
 	not_default |= (mFilterOps.mFilterCategoryTypes != mDefaultFilterOps.mFilterCategoryTypes);
@@ -422,11 +405,11 @@ BOOL LLInventoryFilter::isNotDefault() const
 	not_default |= (mFilterOps.mMinDate != mDefaultFilterOps.mMinDate);
 	not_default |= (mFilterOps.mMaxDate != mDefaultFilterOps.mMaxDate);
 	not_default |= (mFilterOps.mHoursAgo != mDefaultFilterOps.mHoursAgo);
-	
-	return not_default;
+
+	return not_default != 0;
 }
 
-BOOL LLInventoryFilter::isActive() const
+bool LLInventoryFilter::isActive() const
 {
 	return mFilterOps.mFilterObjectTypes != 0xffffffffffffffffULL
 		|| mFilterOps.mFilterCategoryTypes != 0xffffffffffffffffULL
@@ -440,16 +423,9 @@ BOOL LLInventoryFilter::isActive() const
 		|| mFilterOps.mHoursAgo != 0;
 }
 
-BOOL LLInventoryFilter::isModified() const
-{
-	return mModified;
-}
-
-BOOL LLInventoryFilter::isModifiedAndClear()
+bool LLInventoryFilter::isModified() const
 {
-	BOOL ret = mModified;
-	mModified = FALSE;
-	return ret;
+	return mFilterModified != FILTER_NONE;
 }
 
 void LLInventoryFilter::updateFilterTypes(U64 types, U64& current_types)
@@ -613,9 +589,10 @@ void LLInventoryFilter::setDateRange(time_t min_date, time_t max_date)
 
 void LLInventoryFilter::setDateRangeLastLogoff(BOOL sl)
 {
+	static LLCachedControl<U32> s_last_logoff(gSavedPerAccountSettings, "LastLogoff", 0);
 	if (sl && !isSinceLogoff())
 	{
-		setDateRange(mLastLogoff, time_max());
+		setDateRange(s_last_logoff(), time_max());
 		setModified();
 	}
 	if (!sl && isSinceLogoff())
@@ -634,17 +611,18 @@ void LLInventoryFilter::setDateRangeLastLogoff(BOOL sl)
 	}
 }
 
-BOOL LLInventoryFilter::isSinceLogoff() const
+bool LLInventoryFilter::isSinceLogoff() const
 {
-	return (mFilterOps.mMinDate == (time_t)mLastLogoff) &&
+	static LLCachedControl<U32> s_last_logoff(gSavedSettings, "LastLogoff", 0);
+
+	return (mFilterOps.mMinDate == (time_t)s_last_logoff()) &&
 		(mFilterOps.mMaxDate == time_max()) &&
 		(mFilterOps.mFilterTypes & FILTERTYPE_DATE);
 }
 
 void LLInventoryFilter::clearModified()
 {
-	mModified = FALSE; 
-	mFilterBehavior = FILTER_NONE;
+	mFilterModified = FILTER_NONE;
 }
 
 void LLInventoryFilter::setHoursAgo(U32 hours)
@@ -722,15 +700,6 @@ void LLInventoryFilter::setShowFolderState(EFolderShow state)
 	}
 }
 
-void LLInventoryFilter::setSortOrder(U32 order)
-{
-	if (mOrder != order)
-	{
-		mOrder = order;
-		setModified();
-	}
-}
-
 void LLInventoryFilter::markDefault()
 {
 	mDefaultFilterOps = mFilterOps;
@@ -742,83 +711,68 @@ void LLInventoryFilter::resetDefault()
 	setModified();
 }
 
-void LLInventoryFilter::setModified(EFilterBehavior behavior)
+void LLInventoryFilter::setModified(EFilterModified behavior)
 {
-	mModified = TRUE;
-	mNeedTextRebuild = TRUE;
-	mFilterGeneration = mNextFilterGeneration++;
+	mFilterText.clear();
+	mCurrentGeneration = mNextFilterGeneration++;
 
-	if (mFilterBehavior == FILTER_NONE)
+	if (mFilterModified == FILTER_NONE)
 	{
-		mFilterBehavior = behavior;
+		mFilterModified = behavior;
 	}
-	else if (mFilterBehavior != behavior)
+	else if (mFilterModified != behavior)
 	{
 		// trying to do both less restrictive and more restrictive filter
 		// basically means restart from scratch
-		mFilterBehavior = FILTER_RESTART;
+		mFilterModified = FILTER_RESTART;
 	}
 
-	if (isNotDefault())
+	// if not keeping current filter results, update last valid as well
+	switch(mFilterModified)
 	{
-		// if not keeping current filter results, update last valid as well
-		switch(mFilterBehavior)
-		{
-			case FILTER_RESTART:
-				mMustPassGeneration = mFilterGeneration;
-				mMinRequiredGeneration = mFilterGeneration;
-				break;
-			case FILTER_LESS_RESTRICTIVE:
-				mMustPassGeneration = mFilterGeneration;
-				break;
-			case FILTER_MORE_RESTRICTIVE:
-				mMinRequiredGeneration = mFilterGeneration;
-				// must have passed either current filter generation (meaningless, as it hasn't been run yet)
-				// or some older generation, so keep the value
-				mMustPassGeneration = llmin(mMustPassGeneration, mFilterGeneration);
-				break;
-			default:
-				llerrs << "Bad filter behavior specified" << llendl;
-		}
-	}
-	else
-	{
-		// shortcut disabled filters to show everything immediately
-		mMinRequiredGeneration = 0;
-		mMustPassGeneration = S32_MAX;
+		case FILTER_RESTART:
+			mFirstRequiredGeneration = mCurrentGeneration;
+			mFirstSuccessGeneration = mCurrentGeneration;
+			break;
+		case FILTER_LESS_RESTRICTIVE:
+			mFirstRequiredGeneration = mCurrentGeneration;
+			break;
+		case FILTER_MORE_RESTRICTIVE:
+			mFirstSuccessGeneration = mCurrentGeneration;
+			break;
+		default:
+			llerrs << "Bad filter behavior specified" << llendl;
 	}
 }
 
-BOOL LLInventoryFilter::isFilterObjectTypesWith(LLInventoryType::EType t) const
+bool LLInventoryFilter::isFilterObjectTypesWith(LLInventoryType::EType t) const
 {
 	return mFilterOps.mFilterObjectTypes & (1LL << t);
 }
 
 const std::string& LLInventoryFilter::getFilterText()
 {
-	if (!mNeedTextRebuild)
+	if (!mFilterText.empty())
 	{
 		return mFilterText;
 	}
 
-	mNeedTextRebuild = FALSE;
 	std::string filtered_types;
 	std::string not_filtered_types;
 	BOOL filtered_by_type = FALSE;
 	BOOL filtered_by_all_types = TRUE;
 	S32 num_filter_types = 0;
+
 	mFilterText.clear();
 
 	if (isFilterObjectTypesWith(LLInventoryType::IT_ANIMATION))
 	{
-		//filtered_types += " Animations,";
 		filtered_types += LLTrans::getString("Animations");
 		filtered_by_type = TRUE;
 		num_filter_types++;
 	}
 	else
 	{
-		//not_filtered_types += " Animations,";
 		not_filtered_types += LLTrans::getString("Animations");
 
 		filtered_by_all_types = FALSE;
@@ -826,140 +780,120 @@ const std::string& LLInventoryFilter::getFilterText()
 
 	if (isFilterObjectTypesWith(LLInventoryType::IT_CALLINGCARD))
 	{
-		//filtered_types += " Calling Cards,";
 		filtered_types += LLTrans::getString("Calling Cards");
 		filtered_by_type = TRUE;
 		num_filter_types++;
 	}
 	else
 	{
-		//not_filtered_types += " Calling Cards,";
 		not_filtered_types += LLTrans::getString("Calling Cards");
 		filtered_by_all_types = FALSE;
 	}
 
 	if (isFilterObjectTypesWith(LLInventoryType::IT_WEARABLE))
 	{
-		//filtered_types += " Clothing,";
 		filtered_types +=  LLTrans::getString("Clothing");
 		filtered_by_type = TRUE;
 		num_filter_types++;
 	}
 	else
 	{
-		//not_filtered_types += " Clothing,";
 		not_filtered_types +=  LLTrans::getString("Clothing");
 		filtered_by_all_types = FALSE;
 	}
 
 	if (isFilterObjectTypesWith(LLInventoryType::IT_GESTURE))
 	{
-		//filtered_types += " Gestures,";
 		filtered_types +=  LLTrans::getString("Gestures");
 		filtered_by_type = TRUE;
 		num_filter_types++;
 	}
 	else
 	{
-		//not_filtered_types += " Gestures,";
 		not_filtered_types +=  LLTrans::getString("Gestures");
 		filtered_by_all_types = FALSE;
 	}
 
 	if (isFilterObjectTypesWith(LLInventoryType::IT_LANDMARK))
 	{
-		//filtered_types += " Landmarks,";
 		filtered_types +=  LLTrans::getString("Landmarks");
 		filtered_by_type = TRUE;
 		num_filter_types++;
 	}
 	else
 	{
-		//not_filtered_types += " Landmarks,";
 		not_filtered_types +=  LLTrans::getString("Landmarks");
 		filtered_by_all_types = FALSE;
 	}
 
 	if (isFilterObjectTypesWith(LLInventoryType::IT_NOTECARD))
 	{
-		//filtered_types += " Notecards,";
 		filtered_types +=  LLTrans::getString("Notecards");
 		filtered_by_type = TRUE;
 		num_filter_types++;
 	}
 	else
 	{
-		//not_filtered_types += " Notecards,";
 		not_filtered_types +=  LLTrans::getString("Notecards");
 		filtered_by_all_types = FALSE;
 	}
 
 	if (isFilterObjectTypesWith(LLInventoryType::IT_OBJECT) && isFilterObjectTypesWith(LLInventoryType::IT_ATTACHMENT))
 	{
-		//filtered_types += " Objects,";
 		filtered_types +=  LLTrans::getString("Objects");
 		filtered_by_type = TRUE;
 		num_filter_types++;
 	}
 	else
 	{
-		//not_filtered_types += " Objects,";
 		not_filtered_types +=  LLTrans::getString("Objects");
 		filtered_by_all_types = FALSE;
 	}
 
 	if (isFilterObjectTypesWith(LLInventoryType::IT_LSL))
 	{
-		//filtered_types += " Scripts,";
 		filtered_types +=  LLTrans::getString("Scripts");
 		filtered_by_type = TRUE;
 		num_filter_types++;
 	}
 	else
 	{
-		//not_filtered_types += " Scripts,";
 		not_filtered_types +=  LLTrans::getString("Scripts");
 		filtered_by_all_types = FALSE;
 	}
 
 	if (isFilterObjectTypesWith(LLInventoryType::IT_SOUND))
 	{
-		//filtered_types += " Sounds,";
 		filtered_types +=  LLTrans::getString("Sounds");
 		filtered_by_type = TRUE;
 		num_filter_types++;
 	}
 	else
 	{
-		//not_filtered_types += " Sounds,";
 		not_filtered_types +=  LLTrans::getString("Sounds");
 		filtered_by_all_types = FALSE;
 	}
 
 	if (isFilterObjectTypesWith(LLInventoryType::IT_TEXTURE))
 	{
-		//filtered_types += " Textures,";
 		filtered_types +=  LLTrans::getString("Textures");
 		filtered_by_type = TRUE;
 		num_filter_types++;
 	}
 	else
 	{
-		//not_filtered_types += " Textures,";
 		not_filtered_types +=  LLTrans::getString("Textures");
 		filtered_by_all_types = FALSE;
 	}
 
 	if (isFilterObjectTypesWith(LLInventoryType::IT_SNAPSHOT))
 	{
-		//filtered_types += " Snapshots,";
 		filtered_types +=  LLTrans::getString("Snapshots");
 		filtered_by_type = TRUE;
 		num_filter_types++;
 	}
 	else
 	{
-		//not_filtered_types += " Snapshots,";
 		not_filtered_types +=  LLTrans::getString("Snapshots");
 		filtered_by_all_types = FALSE;
 	}
@@ -975,7 +909,6 @@ const std::string& LLInventoryFilter::getFilterText()
 		}
 		else
 		{
-			//mFilterText += "No ";
 			mFilterText += LLTrans::getString("No Filters");
 			mFilterText += not_filtered_types;
 		}
@@ -985,66 +918,55 @@ const std::string& LLInventoryFilter::getFilterText()
 
 	if (isSinceLogoff())
 	{
-		//mFilterText += " - Since Logoff";
 		mFilterText += LLTrans::getString("Since Logoff");
 	}
 	return mFilterText;
 }
 
-void LLInventoryFilter::toLLSD(LLSD& data) const
-{
-	data["filter_types"] = (LLSD::Integer)getFilterObjectTypes();
-	data["min_date"] = (LLSD::Integer)getMinDate();
-	data["max_date"] = (LLSD::Integer)getMaxDate();
-	data["hours_ago"] = (LLSD::Integer)getHoursAgo();
-	data["show_folder_state"] = (LLSD::Integer)getShowFolderState();
-	data["permissions"] = (LLSD::Integer)getFilterPermissions();
-	data["substring"] = (LLSD::String)getFilterSubString();
-	data["sort_order"] = (LLSD::Integer)getSortOrder();
-	data["since_logoff"] = (LLSD::Boolean)isSinceLogoff();
-}
 
-void LLInventoryFilter::fromLLSD(LLSD& data)
+LLInventoryFilter& LLInventoryFilter::operator=( const  LLInventoryFilter&  other )
 {
-	if(data.has("filter_types"))
-	{
-		setFilterObjectTypes((U64)data["filter_types"].asInteger());
-	}
-
-	if(data.has("min_date") && data.has("max_date"))
-	{
-		setDateRange(data["min_date"].asInteger(), data["max_date"].asInteger());
-	}
-
-	if(data.has("hours_ago"))
-	{
-		setHoursAgo((U32)data["hours_ago"].asInteger());
-	}
-
-	if(data.has("show_folder_state"))
-	{
-		setShowFolderState((EFolderShow)data["show_folder_state"].asInteger());
-	}
+	setFilterObjectTypes(other.getFilterObjectTypes());
+	setDateRange(other.getMinDate(), other.getMaxDate());
+	setHoursAgo(other.getHoursAgo());
+	setShowFolderState(other.getShowFolderState());
+	setFilterPermissions(other.getFilterPermissions());
+	setFilterSubString(other.getFilterSubString());
+	setDateRangeLastLogoff(other.isSinceLogoff());
+	return *this;
+}
 
-	if(data.has("permissions"))
-	{
-		setFilterPermissions((PermissionMask)data["permissions"].asInteger());
-	}
 
-	if(data.has("substring"))
-	{
-		setFilterSubString(std::string(data["substring"].asString()));
-	}
+void LLInventoryFilter::toParams(Params& params) const
+{
+	params.filter_ops.types = getFilterObjectTypes();
+	params.filter_ops.category_types = getFilterCategoryTypes();
+	params.filter_ops.wearable_types = getFilterWearableTypes();
+	params.filter_ops.date_range.min_date = getMinDate();
+	params.filter_ops.date_range.max_date = getMaxDate();
+	params.filter_ops.hours_ago = getHoursAgo();
+	params.filter_ops.show_folder_state = getShowFolderState();
+	params.filter_ops.permissions = getFilterPermissions();
+	params.substring = getFilterSubString();
+	params.since_logoff = isSinceLogoff();
+}
 
-	if(data.has("sort_order"))
+void LLInventoryFilter::fromParams(const Params& params)
+{
+	if (!params.validateBlock())
 	{
-		setSortOrder((U32)data["sort_order"].asInteger());
+		return;
 	}
 
-	if(data.has("since_logoff"))
-	{
-		setDateRangeLastLogoff((bool)data["since_logoff"].asBoolean());
-	}
+	setFilterObjectTypes(params.filter_ops.types);
+	setFilterCategoryTypes(params.filter_ops.category_types);
+	setFilterWearableTypes(params.filter_ops.wearable_types);
+	setDateRange(params.filter_ops.date_range.min_date,   params.filter_ops.date_range.max_date);
+	setHoursAgo(params.filter_ops.hours_ago);
+	setShowFolderState(params.filter_ops.show_folder_state);
+	setFilterPermissions(params.filter_ops.permissions);
+	setFilterSubString(params.substring);
+	setDateRangeLastLogoff(params.since_logoff);
 }
 
 U64 LLInventoryFilter::getFilterObjectTypes() const
@@ -1057,11 +979,21 @@ U64 LLInventoryFilter::getFilterCategoryTypes() const
 	return mFilterOps.mFilterCategoryTypes;
 }
 
-BOOL LLInventoryFilter::hasFilterString() const
+U64 LLInventoryFilter::getFilterWearableTypes() const
+{
+	return mFilterOps.mFilterWearableTypes;
+}
+
+bool LLInventoryFilter::hasFilterString() const
 {
 	return mFilterSubString.size() > 0;
 }
 
+std::string::size_type LLInventoryFilter::getFilterStringSize() const
+{
+	return mFilterSubString.size();
+}
+
 PermissionMask LLInventoryFilter::getFilterPermissions() const
 {
 	return mFilterOps.mPermissions;
@@ -1088,14 +1020,6 @@ LLInventoryFilter::EFolderShow LLInventoryFilter::getShowFolderState() const
 { 
 	return mFilterOps.mShowFolderState; 
 }
-U32 LLInventoryFilter::getSortOrder() const 
-{ 
-	return mOrder; 
-}
-const std::string& LLInventoryFilter::getName() const 
-{ 
-	return mName; 
-}
 
 void LLInventoryFilter::setFilterCount(S32 count) 
 { 
@@ -1113,15 +1037,15 @@ void LLInventoryFilter::decrementFilterCount()
 
 S32 LLInventoryFilter::getCurrentGeneration() const 
 { 
-	return mFilterGeneration; 
+	return mCurrentGeneration;
 }
-S32 LLInventoryFilter::getMinRequiredGeneration() const 
+S32 LLInventoryFilter::getFirstSuccessGeneration() const
 { 
-	return mMinRequiredGeneration; 
+	return mFirstSuccessGeneration; 
 }
-S32 LLInventoryFilter::getMustPassGeneration() const 
+S32 LLInventoryFilter::getFirstRequiredGeneration() const
 { 
-	return mMustPassGeneration; 
+	return mFirstRequiredGeneration; 
 }
 
 void LLInventoryFilter::setEmptyLookupMessage(const std::string& message)
@@ -1129,9 +1053,12 @@ void LLInventoryFilter::setEmptyLookupMessage(const std::string& message)
 	mEmptyLookupMessage = message;
 }
 
-const std::string& LLInventoryFilter::getEmptyLookupMessage() const
+std::string LLInventoryFilter::getEmptyLookupMessage() const
 {
-	return mEmptyLookupMessage;
+	LLStringUtil::format_map_t args;
+	args["[SEARCH_TERM]"] = LLURI::escape(getFilterSubStringOrig());
+
+	return LLTrans::getString(mEmptyLookupMessage, args);
 
 }
 
@@ -1141,3 +1068,27 @@ bool LLInventoryFilter::areDateLimitsSet()
 			|| mFilterOps.mMaxDate != time_max()
 			|| mFilterOps.mHoursAgo != 0;
 }
+
+bool LLInventoryFilter::showAllResults() const
+{
+	return hasFilterString();
+}
+
+
+
+bool LLInventoryFilter::FilterOps::DateRange::validateBlock( bool   emit_errors /*= true*/ ) const
+{
+	bool valid = LLInitParam::Block<DateRange>::validateBlock(emit_errors);
+	if (valid)
+	{
+		if (max_date() < min_date())
+		{
+			if (emit_errors)
+			{
+				llwarns << "max_date should be greater or equal to min_date" <<   llendl;
+			}
+			valid = false;
+		}
+	}
+	return valid;
+}
diff --git a/indra/newview/llinventoryfilter.h b/indra/newview/llinventoryfilter.h
index 9e600c036f..4912b5ca91 100644
--- a/indra/newview/llinventoryfilter.h
+++ b/indra/newview/llinventoryfilter.h
@@ -29,12 +29,13 @@
 
 #include "llinventorytype.h"
 #include "llpermissionsflags.h"
+#include "llfolderviewmodel.h"
 
 class LLFolderViewItem;
 class LLFolderViewFolder;
 class LLInventoryItem;
 
-class LLInventoryFilter
+class LLInventoryFilter : public LLFolderViewFilter
 {
 public:
 	enum EFolderShow
@@ -44,14 +45,6 @@ public:
 		SHOW_NO_FOLDERS
 	};
 
-	enum EFilterBehavior
-	{
-		FILTER_NONE,				// nothing to do, already filtered
-		FILTER_RESTART,				// restart filtering from scratch
-		FILTER_LESS_RESTRICTIVE,	// existing filtered items will certainly pass this filter
-		FILTER_MORE_RESTRICTIVE		// if you didn't pass the previous filter, you definitely won't pass this one
-	};
-
 	enum EFilterType	{
 		FILTERTYPE_NONE = 0,
 		FILTERTYPE_OBJECT = 0x1 << 0,	// normal default search-by-object-type
@@ -59,7 +52,7 @@ public:
 		FILTERTYPE_UUID	= 0x1 << 2,		// find the object with UUID and any links to it
 		FILTERTYPE_DATE = 0x1 << 3,		// search by date range
 		FILTERTYPE_WEARABLE = 0x1 << 4,	// search by wearable type
-		FILTERTYPE_EMPTYFOLDERS = 0x1 << 5	// pass if folder is not a system folder to be hidden if empty
+		FILTERTYPE_EMPTYFOLDERS = 0x1 << 5		// pass if folder is not a system   folder to be hidden if
 	};
 
 	enum EFilterLink
@@ -77,16 +70,92 @@ public:
 		SO_SYSTEM_FOLDERS_TO_TOP = 0x1 << 2	// Force system folders to be on top
 	};
 
-	LLInventoryFilter(const std::string& name);
-	virtual ~LLInventoryFilter();
+	struct FilterOps
+	{
+		struct DateRange : public LLInitParam::Block<DateRange>
+		{
+			Optional<time_t>	min_date,
+								max_date;
+
+			DateRange()
+			:	min_date("min_date", time_min()),
+				max_date("max_date", time_max())
+			{}
+
+			bool validateBlock(bool emit_errors = true) const;
+		};
+
+		struct Params : public LLInitParam::Block<Params>
+		{
+			Optional<U32>				types;
+			Optional<U64>				object_types,
+										wearable_types,
+										category_types;
+			Optional<EFilterLink>		links;
+			Optional<LLUUID>			uuid;
+			Optional<DateRange>			date_range;
+			Optional<S32>				hours_ago;
+			Optional<EFolderShow>		show_folder_state;
+			Optional<PermissionMask>	permissions;
+
+			Params()
+			:	types("filter_types", FILTERTYPE_OBJECT),
+				object_types("object_types", 0xffffFFFFffffFFFFULL),
+				wearable_types("wearable_types", 0xffffFFFFffffFFFFULL),
+				category_types("category_types", 0xffffFFFFffffFFFFULL),
+				links("links", FILTERLINK_INCLUDE_LINKS),
+				uuid("uuid"),
+				date_range("date_range"),
+				hours_ago("hours_ago", 0),
+				show_folder_state("show_folder_state", SHOW_NON_EMPTY_FOLDERS),
+				permissions("permissions", PERM_NONE)
+			{}
+		};
+
+		FilterOps(const Params& = Params());
+
+		U32 			mFilterTypes;
+		U64				mFilterObjectTypes,   // For _OBJECT
+						mFilterWearableTypes,
+						mFilterLinks,
+						mFilterCategoryTypes; // For _CATEGORY
+		LLUUID      	mFilterUUID; 		  // for UUID
+
+		time_t			mMinDate,
+						mMaxDate;
+		U32				mHoursAgo;
+
+		EFolderShow		mShowFolderState;
+		PermissionMask	mPermissions;
+	};
+							
+	struct Params : public LLInitParam::Block<Params>
+	{
+		Optional<std::string>		name;
+		Optional<FilterOps::Params>	filter_ops;
+		Optional<std::string>		substring;
+		Optional<bool>				since_logoff;
+
+		Params()
+		:	name("name"),
+			filter_ops(""),
+			substring("substring"),
+			since_logoff("since_logoff")
+		{}
+	};
+									
+	LLInventoryFilter(const Params& p = Params());
+	LLInventoryFilter(const LLInventoryFilter& other) { *this = other; }
+	virtual ~LLInventoryFilter() {}
 
 	// +-------------------------------------------------------------------+
 	// + Parameters
 	// +-------------------------------------------------------------------+
-	void 				setFilterObjectTypes(U64 types);
 	U64 				getFilterObjectTypes() const;
 	U64					getFilterCategoryTypes() const;
-	BOOL 				isFilterObjectTypesWith(LLInventoryType::EType t) const;
+	U64					getFilterWearableTypes() const;
+	bool 				isFilterObjectTypesWith(LLInventoryType::EType t) const;
+	void 				setFilterObjectTypes(U64 types);
 	void 				setFilterCategoryTypes(U64 types);
 	void 				setFilterUUID(const LLUUID &object_id);
 	void				setFilterWearableTypes(U64 types);
@@ -96,7 +165,7 @@ public:
 	void 				setFilterSubString(const std::string& string);
 	const std::string& 	getFilterSubString(BOOL trim = FALSE) const;
 	const std::string& 	getFilterSubStringOrig() const { return mFilterSubStringOrig; } 
-	BOOL 				hasFilterString() const;
+	bool 				hasFilterString() const;
 
 	void 				setFilterPermissions(PermissionMask perms);
 	PermissionMask 		getFilterPermissions() const;
@@ -115,43 +184,35 @@ public:
 	// +-------------------------------------------------------------------+
 	// + Execution And Results
 	// +-------------------------------------------------------------------+
-	BOOL 				check(const LLFolderViewItem* item);
+	bool				check(const LLFolderViewModelItem* listener);
 	bool				check(const LLInventoryItem* item);
-	bool				checkFolder(const LLFolderViewFolder* folder) const;
+	bool				checkFolder(const LLFolderViewModelItem* listener) const;
 	bool				checkFolder(const LLUUID& folder_id) const;
-	BOOL 				checkAgainstFilterType(const LLFolderViewItem* item) const;
-	bool 				checkAgainstFilterType(const LLInventoryItem* item) const;
-	BOOL 				checkAgainstPermissions(const LLFolderViewItem* item) const;
-	bool 				checkAgainstPermissions(const LLInventoryItem* item) const;
-	BOOL 				checkAgainstFilterLinks(const LLFolderViewItem* item) const;
-	bool				checkAgainstClipboard(const LLUUID& object_id) const;
 
-	std::string::size_type getStringMatchOffset() const;
+	bool				showAllResults() const;
 
+	std::string::size_type getStringMatchOffset(LLFolderViewModelItem* item) const;
+	std::string::size_type getFilterStringSize() const;
 	// +-------------------------------------------------------------------+
 	// + Presentation
 	// +-------------------------------------------------------------------+
 	void 				setShowFolderState( EFolderShow state);
 	EFolderShow 		getShowFolderState() const;
 
-	void 				setSortOrder(U32 order);
-	U32 				getSortOrder() const;
-
 	void 				setEmptyLookupMessage(const std::string& message);
-	const std::string&	getEmptyLookupMessage() const;
+	std::string			getEmptyLookupMessage() const;
 
 	// +-------------------------------------------------------------------+
 	// + Status
 	// +-------------------------------------------------------------------+
-	BOOL 				isActive() const;
-	BOOL 				isModified() const;
-	BOOL 				isModifiedAndClear();
-	BOOL 				isSinceLogoff() const;
+	bool 				isActive() const;
+	bool 				isModified() const;
+	bool 				isSinceLogoff() const;
 	void 				clearModified();
-	const std::string& 	getName() const;
+	const std::string& 	getName() const { return mName; }
 	const std::string& 	getFilterText();
 	//RN: this is public to allow system to externally force a global refilter
-	void 				setModified(EFilterBehavior behavior = FILTER_RESTART);
+	void 				setModified(EFilterModified behavior = FILTER_RESTART);
 
 	// +-------------------------------------------------------------------+
 	// + Count
@@ -163,8 +224,8 @@ public:
 	// +-------------------------------------------------------------------+
 	// + Default
 	// +-------------------------------------------------------------------+
-	BOOL 				isDefault() const;
-	BOOL 				isNotDefault() const;
+	bool 				isDefault() const;
+	bool 				isNotDefault() const;
 	void 				markDefault();
 	void 				resetDefault();
 
@@ -172,57 +233,42 @@ public:
 	// + Generation
 	// +-------------------------------------------------------------------+
 	S32 				getCurrentGeneration() const;
-	S32 				getMinRequiredGeneration() const;
-	S32 				getMustPassGeneration() const;
+	S32 				getFirstSuccessGeneration() const;
+	S32 				getFirstRequiredGeneration() const;
+
 
 	// +-------------------------------------------------------------------+
 	// + Conversion
 	// +-------------------------------------------------------------------+
-	void 				toLLSD(LLSD& data) const;
-	void 				fromLLSD(LLSD& data);
+	void 				toParams(Params& params) const;
+	void 				fromParams(const Params& p);
+
+	LLInventoryFilter& operator =(const LLInventoryFilter& other);
 
 private:
 	bool				areDateLimitsSet();
-
-	struct FilterOps
-	{
-		FilterOps();
-		U32 			mFilterTypes;
-
-		U64				mFilterObjectTypes; // For _OBJECT
-		U64				mFilterWearableTypes;
-		U64				mFilterCategoryTypes; // For _CATEGORY
-		LLUUID      	mFilterUUID; // for UUID
-
-		time_t			mMinDate;
-		time_t			mMaxDate;
-		U32				mHoursAgo;
-		EFolderShow		mShowFolderState;
-		PermissionMask	mPermissions;
-		U64				mFilterLinks;
-	};
-
-	U32						mOrder;
-	U32 					mLastLogoff;
+	bool 				checkAgainstFilterType(const class LLFolderViewModelItemInventory* listener) const;
+	bool 				checkAgainstFilterType(const LLInventoryItem* item) const;
+	bool 				checkAgainstPermissions(const class LLFolderViewModelItemInventory* listener) const;
+	bool 				checkAgainstPermissions(const LLInventoryItem* item) const;
+	bool 				checkAgainstFilterLinks(const class LLFolderViewModelItemInventory* listener) const;
+	bool				checkAgainstClipboard(const LLUUID& object_id) const;
 
 	FilterOps				mFilterOps;
 	FilterOps				mDefaultFilterOps;
 
-	std::string::size_type	mSubStringMatchOffset;
 	std::string				mFilterSubString;
 	std::string				mFilterSubStringOrig;
 	const std::string		mName;
 
-	S32						mFilterGeneration;
-	S32						mMustPassGeneration;
-	S32						mMinRequiredGeneration;
+	S32						mCurrentGeneration;
+	S32						mFirstRequiredGeneration;
+	S32						mFirstSuccessGeneration;
 	S32						mNextFilterGeneration;
 
 	S32						mFilterCount;
-	EFilterBehavior 		mFilterBehavior;
+	EFilterModified 		mFilterModified;
 
-	BOOL 					mModified;
-	BOOL 					mNeedTextRebuild;
 	std::string 			mFilterText;
 	std::string 			mEmptyLookupMessage;
 };
diff --git a/indra/newview/llinventoryfunctions.cpp b/indra/newview/llinventoryfunctions.cpp
index e98d3f88a6..6474d56414 100644
--- a/indra/newview/llinventoryfunctions.cpp
+++ b/indra/newview/llinventoryfunctions.cpp
@@ -45,7 +45,7 @@
 // newview includes
 #include "llappearancemgr.h"
 #include "llappviewer.h"
-//#include "llfirstuse.h"
+#include "llclipboard.h"
 #include "llfloaterinventory.h"
 #include "llfloatersidepanelcontainer.h"
 #include "llfocusmgr.h"
@@ -74,8 +74,10 @@
 #include "llsidepanelinventory.h"
 #include "lltabcontainer.h"
 #include "lltooldraganddrop.h"
+#include "lltrans.h"
 #include "lluictrlfactory.h"
 #include "llviewermessage.h"
+#include "llviewerfoldertype.h"
 #include "llviewerobjectlist.h"
 #include "llviewerregion.h"
 #include "llviewerwindow.h"
@@ -960,7 +962,7 @@ void LLSaveFolderState::setApply(BOOL apply)
 void LLSaveFolderState::doFolder(LLFolderViewFolder* folder)
 {
 	LLMemType mt(LLMemType::MTYPE_INVENTORY_DO_FOLDER);
-	LLInvFVBridge* bridge = (LLInvFVBridge*)folder->getListener();
+	LLInvFVBridge* bridge = (LLInvFVBridge*)folder->getViewModelItem();
 	if(!bridge) return;
 	
 	if(mApply)
@@ -995,7 +997,7 @@ void LLSaveFolderState::doFolder(LLFolderViewFolder* folder)
 
 void LLOpenFilteredFolders::doItem(LLFolderViewItem *item)
 {
-	if (item->getFiltered())
+	if (item->passedFilter())
 	{
 		item->getParentFolder()->setOpenArrangeRecursively(TRUE, LLFolderViewFolder::RECURSE_UP);
 	}
@@ -1003,12 +1005,12 @@ void LLOpenFilteredFolders::doItem(LLFolderViewItem *item)
 
 void LLOpenFilteredFolders::doFolder(LLFolderViewFolder* folder)
 {
-	if (folder->getFiltered() && folder->getParentFolder())
+	if (folder->LLFolderViewItem::passedFilter() && folder->getParentFolder())
 	{
 		folder->getParentFolder()->setOpenArrangeRecursively(TRUE, LLFolderViewFolder::RECURSE_UP);
 	}
 	// if this folder didn't pass the filter, and none of its descendants did
-	else if (!folder->getFiltered() && !folder->hasFilteredDescendants())
+	else if (!folder->getViewModelItem()->passedFilter() && !folder->getViewModelItem()->descendantsPassedFilter())
 	{
 		folder->setOpenArrangeRecursively(FALSE, LLFolderViewFolder::RECURSE_NO);
 	}
@@ -1016,7 +1018,7 @@ void LLOpenFilteredFolders::doFolder(LLFolderViewFolder* folder)
 
 void LLSelectFirstFilteredItem::doItem(LLFolderViewItem *item)
 {
-	if (item->getFiltered() && !mItemSelected)
+	if (item->passedFilter() && !mItemSelected)
 	{
 		item->getRoot()->setSelection(item, FALSE, FALSE);
 		if (item->getParentFolder())
@@ -1029,14 +1031,12 @@ void LLSelectFirstFilteredItem::doItem(LLFolderViewItem *item)
 
 void LLSelectFirstFilteredItem::doFolder(LLFolderViewFolder* folder)
 {
-	if (folder->getFiltered() && !mItemSelected)
+	// Skip if folder or item already found, if not filtered or if no parent (root folder is not selectable)
+	if (!mFolderSelected && !mItemSelected && folder->LLFolderViewItem::passedFilter() && folder->getParentFolder())
 	{
 		folder->getRoot()->setSelection(folder, FALSE, FALSE);
-		if (folder->getParentFolder())
-		{
-			folder->getParentFolder()->setOpenArrangeRecursively(TRUE, LLFolderViewFolder::RECURSE_UP);
-		}
-		mItemSelected = TRUE;
+		folder->getParentFolder()->setOpenArrangeRecursively(TRUE, LLFolderViewFolder::RECURSE_UP);
+		mFolderSelected = TRUE;
 	}
 }
 
@@ -1056,3 +1056,87 @@ void LLOpenFoldersWithSelection::doFolder(LLFolderViewFolder* folder)
 	}
 }
 
+void LLInventoryAction::doToSelected(LLInventoryModel* model, LLFolderView* root, const std::string& action)
+{
+	if ("rename" == action)
+	{
+		root->startRenamingSelectedItem();
+		return;
+	}
+	if ("delete" == action)
+	{
+		LLSD args;
+		args["QUESTION"] = LLTrans::getString(root->getSelectedCount() > 1 ? "DeleteItems" :  "DeleteItem");
+		LLNotificationsUtil::add("DeleteItems", args, LLSD(), boost::bind(&LLInventoryAction::onItemsRemovalConfirmation, _1, _2, root));
+		return;
+	}
+	if (("copy" == action) || ("cut" == action))
+	{	
+		// Clear the clipboard before we start adding things on it
+		LLClipboard::instance().reset();
+	}
+
+	static const std::string change_folder_string = "change_folder_type_";
+	if (action.length() > change_folder_string.length() && 
+		(action.compare(0,change_folder_string.length(),"change_folder_type_") == 0))
+	{
+		LLFolderType::EType new_folder_type = LLViewerFolderType::lookupTypeFromXUIName(action.substr(change_folder_string.length()));
+		LLFolderViewModelItemInventory* inventory_item = static_cast<LLFolderViewModelItemInventory*>(root->getViewModelItem());
+		LLViewerInventoryCategory *cat = model->getCategory(inventory_item->getUUID());
+		if (!cat) return;
+		cat->changeType(new_folder_type);
+		return;
+	}
+
+
+	std::set<LLFolderViewItem*> selected_items = root->getSelectionList();
+
+	LLMultiPreview* multi_previewp = NULL;
+	LLMultiProperties* multi_propertiesp = NULL;
+
+	if (("task_open" == action  || "open" == action) && selected_items.size() > 1)
+	{
+		multi_previewp = new LLMultiPreview();
+		gFloaterView->addChild(multi_previewp);
+
+		LLFloater::setFloaterHost(multi_previewp);
+
+	}
+	else if (("task_properties" == action || "properties" == action) && selected_items.size() > 1)
+	{
+		multi_propertiesp = new LLMultiProperties();
+		gFloaterView->addChild(multi_propertiesp);
+
+		LLFloater::setFloaterHost(multi_propertiesp);
+	}
+
+	std::set<LLFolderViewItem*>::iterator set_iter;
+
+	for (set_iter = selected_items.begin(); set_iter != selected_items.end(); ++set_iter)
+	{
+		LLFolderViewItem* folder_item = *set_iter;
+		if(!folder_item) continue;
+		LLInvFVBridge* bridge = (LLInvFVBridge*)folder_item->getViewModelItem();
+		if(!bridge) continue;
+		bridge->performAction(model, action);
+	}
+
+	LLFloater::setFloaterHost(NULL);
+	if (multi_previewp)
+	{
+		multi_previewp->openFloater(LLSD());
+	}
+	else if (multi_propertiesp)
+	{
+		multi_propertiesp->openFloater(LLSD());
+	}
+}
+
+void LLInventoryAction::onItemsRemovalConfirmation( const LLSD& notification, const LLSD& response, LLFolderView* root )
+{
+	S32 option = LLNotificationsUtil::getSelectedOption(notification, response);
+	if (option == 0)
+	{
+		root->removeSelectedItems();
+	}
+}
diff --git a/indra/newview/llinventoryfunctions.h b/indra/newview/llinventoryfunctions.h
index 909f7fd10b..11fc17ce9b 100644
--- a/indra/newview/llinventoryfunctions.h
+++ b/indra/newview/llinventoryfunctions.h
@@ -419,21 +419,6 @@ public:
 class LLFolderViewItem;
 class LLFolderViewFolder;
 
-//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-// Class LLFolderViewFunctor
-//
-// Simple abstract base class for applying a functor to folders and
-// items in a folder view hierarchy. This is suboptimal for algorithms
-// that only work folders or only work on items, but I'll worry about
-// that later when it's determined to be too slow.
-//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-class LLFolderViewFunctor
-{
-public:
-	virtual ~LLFolderViewFunctor() {}
-	virtual void doFolder(LLFolderViewFolder* folder) = 0;
-	virtual void doItem(LLFolderViewItem* item) = 0;
-};
 
 class LLInventoryState
 {
@@ -443,49 +428,13 @@ public:
 	static LLUUID sWearNewClothingTransactionID;	// wear all clothing in this transaction	
 };
 
-class LLSelectFirstFilteredItem : public LLFolderViewFunctor
+struct LLInventoryAction
 {
-public:
-	LLSelectFirstFilteredItem() : mItemSelected(FALSE) {}
-	virtual ~LLSelectFirstFilteredItem() {}
-	virtual void doFolder(LLFolderViewFolder* folder);
-	virtual void doItem(LLFolderViewItem* item);
-	BOOL wasItemSelected() { return mItemSelected; }
-protected:
-	BOOL mItemSelected;
-};
+	static void doToSelected(class LLInventoryModel* model, class LLFolderView* root, const std::string& action);
 
-class LLOpenFilteredFolders : public LLFolderViewFunctor
-{
-public:
-	LLOpenFilteredFolders()  {}
-	virtual ~LLOpenFilteredFolders() {}
-	virtual void doFolder(LLFolderViewFolder* folder);
-	virtual void doItem(LLFolderViewItem* item);
+	static void onItemsRemovalConfirmation(const LLSD& notification, const LLSD& response, LLFolderView* root);
 };
 
-class LLSaveFolderState : public LLFolderViewFunctor
-{
-public:
-	LLSaveFolderState() : mApply(FALSE) {}
-	virtual ~LLSaveFolderState() {}
-	virtual void doFolder(LLFolderViewFolder* folder);
-	virtual void doItem(LLFolderViewItem* item) {}
-	void setApply(BOOL apply);
-	void clearOpenFolders() { mOpenFolders.clear(); }
-protected:
-	std::set<LLUUID> mOpenFolders;
-	BOOL mApply;
-};
-
-class LLOpenFoldersWithSelection : public LLFolderViewFunctor
-{
-public:
-	LLOpenFoldersWithSelection() {}
-	virtual ~LLOpenFoldersWithSelection() {}
-	virtual void doFolder(LLFolderViewFolder* folder);
-	virtual void doItem(LLFolderViewItem* item);
-};
 
 #endif // LL_LLINVENTORYFUNCTIONS_H
 
diff --git a/indra/newview/llinventoryicon.h b/indra/newview/llinventoryicon.h
index c7e2998a20..5c8acf9e85 100644
--- a/indra/newview/llinventoryicon.h
+++ b/indra/newview/llinventoryicon.h
@@ -1,5 +1,5 @@
 /** 
- * @file llinventoryfunctions.h
+ * @file llinventoryicon.h
  * @brief Miscellaneous inventory-related functions and classes
  * class definition
  *
diff --git a/indra/newview/llinventorymodel.cpp b/indra/newview/llinventorymodel.cpp
index 6e23d7c701..e7d59d92d9 100644
--- a/indra/newview/llinventorymodel.cpp
+++ b/indra/newview/llinventorymodel.cpp
@@ -373,13 +373,12 @@ void LLInventoryModel::unlockDirectDescendentArrays(const LLUUID& cat_id)
 // specifies 'type' as what it defaults to containing. The category is
 // not necessarily only for that type. *NOTE: This will create a new
 // inventory category on the fly if one does not exist.
-const LLUUID LLInventoryModel::findCategoryUUIDForType(LLFolderType::EType preferred_type, 
-													   bool create_folder, 
-													   bool find_in_library)
+const LLUUID LLInventoryModel::findCategoryUUIDForType(LLFolderType::EType preferred_type, bool create_folder/*, 
+					  bool find_in_library*/)
 {
 	LLUUID rv = LLUUID::null;
 	
-	const LLUUID &root_id = (find_in_library) ? gInventory.getLibraryRootFolderID() : gInventory.getRootFolderID();
+	const LLUUID &root_id = /*(find_in_library) ? gInventory.getLibraryRootFolderID() :*/ gInventory.getRootFolderID();
 	if(LLFolderType::FT_ROOT_INVENTORY == preferred_type)
 	{
 		rv = root_id;
@@ -402,7 +401,44 @@ const LLUUID LLInventoryModel::findCategoryUUIDForType(LLFolderType::EType prefe
 		}
 	}
 	
-	if(rv.isNull() && isInventoryUsable() && (create_folder && !find_in_library))
+	if(rv.isNull() && isInventoryUsable() && (create_folder && true/*!find_in_library*/))
+	{
+		if(root_id.notNull())
+		{
+			return createNewCategory(root_id, preferred_type, LLStringUtil::null);
+		}
+	}
+	return rv;
+}
+
+const LLUUID LLInventoryModel::findLibraryCategoryUUIDForType(LLFolderType::EType preferred_type, bool create_folder)
+{
+	LLUUID rv = LLUUID::null;
+
+	const LLUUID &root_id = gInventory.getLibraryRootFolderID();
+	if(LLFolderType::FT_ROOT_INVENTORY == preferred_type)
+	{
+		rv = root_id;
+	}
+	else if (root_id.notNull())
+	{
+		cat_array_t* cats = NULL;
+		cats = get_ptr_in_map(mParentChildCategoryTree, root_id);
+		if(cats)
+		{
+			S32 count = cats->count();
+			for(S32 i = 0; i < count; ++i)
+			{
+				if(cats->get(i)->getPreferredType() == preferred_type)
+				{
+					rv = cats->get(i)->getUUID();
+					break;
+				}
+			}
+		}
+	}
+
+	if(rv.isNull() && isInventoryUsable() && (create_folder && true/*!find_in_library*/))
 	{
 		if(root_id.notNull())
 		{
@@ -950,6 +986,7 @@ void LLInventoryModel::updateCategory(const LLViewerInventoryCategory* cat)
 				cat_array->put(old_cat);
 			}
 			mask |= LLInventoryObserver::STRUCTURE;
+            mask |= LLInventoryObserver::INTERNAL;
 		}
 		if(old_cat->getName() != cat->getName())
 		{
@@ -1245,14 +1282,33 @@ void LLInventoryModel::purgeDescendentsOf(const LLUUID& id)
 							   items,
 							   INCLUDE_TRASH);
 			S32 count = items.count();
+
+			item_map_t::iterator item_map_end = mItemMap.end();
+			cat_map_t::iterator cat_map_end = mCategoryMap.end();
+			LLUUID uu_id;
+
 			for(S32 i = 0; i < count; ++i)
 			{
-				deleteObject(items.get(i)->getUUID());
+				uu_id = items.get(i)->getUUID();
+
+				// This check prevents the deletion of a previously deleted item.
+				// This is necessary because deletion is not done in a hierarchical
+				// order. The current item may have been already deleted as a child
+				// of its deleted parent.
+				if (mItemMap.find(uu_id) != item_map_end)
+				{
+					deleteObject(uu_id);
+				}
 			}
+
 			count = categories.count();
 			for(S32 i = 0; i < count; ++i)
 			{
-				deleteObject(categories.get(i)->getUUID());
+				uu_id = categories.get(i)->getUUID();
+				if (mCategoryMap.find(uu_id) != cat_map_end)
+				{
+					deleteObject(uu_id);
+				}
 			}
 		}
 	}
@@ -3239,68 +3295,7 @@ void LLInventoryModel::updateItemsOrder(LLInventoryModel::item_array_t& items, c
 	}
 }
 
-//* @param[in] items vector of items in order to be saved.
-void LLInventoryModel::saveItemsOrder(const LLInventoryModel::item_array_t& items)
-{
-	int sortField = 0;
-
-	// current order is saved by setting incremental values (1, 2, 3, ...) for the sort field
-	for (item_array_t::const_iterator i = items.begin(); i != items.end(); ++i)
-	{
-		LLViewerInventoryItem* item = *i;
-
-		item->setSortField(++sortField);
-		item->setComplete(TRUE);
-		item->updateServer(FALSE);
-
-		updateItem(item);
-
-		// Tell the parent folder to refresh its sort order.
-		addChangedMask(LLInventoryObserver::SORT, item->getParentUUID());
-	}
-
-	notifyObservers();
-}
-
-// See also LLInventorySort where landmarks in the Favorites folder are sorted.
-class LLViewerInventoryItemSort
-{
-public:
-	bool operator()(const LLPointer<LLViewerInventoryItem>& a, const LLPointer<LLViewerInventoryItem>& b)
-	{
-		return a->getSortField() < b->getSortField();
-	}
-};
 
-/**
- * Sorts passed items by LLViewerInventoryItem sort field.
- *
- * @param[in, out] items - array of items, not sorted.
- */
-static void rearrange_item_order_by_sort_field(LLInventoryModel::item_array_t& items)
-{
-	static LLViewerInventoryItemSort sort_functor;
-	std::sort(items.begin(), items.end(), sort_functor);
-}
-
-// * @param source_item_id - LLUUID of the source item to be moved into new position
-// * @param target_item_id - LLUUID of the target item before which source item should be placed.
-void LLInventoryModel::rearrangeFavoriteLandmarks(const LLUUID& source_item_id, const LLUUID& target_item_id)
-{
-	LLInventoryModel::cat_array_t cats;
-	LLInventoryModel::item_array_t items;
-	LLIsType is_type(LLAssetType::AT_LANDMARK);
-	LLUUID favorites_id = gInventory.findCategoryUUIDForType(LLFolderType::FT_FAVORITE);
-	gInventory.collectDescendentsIf(favorites_id, cats, items, LLInventoryModel::EXCLUDE_TRASH, is_type);
-
-	// ensure items are sorted properly before changing order. EXT-3498
-	rearrange_item_order_by_sort_field(items);
-
-	// update order
-	updateItemsOrder(items, source_item_id, target_item_id);
-
-	saveItemsOrder(items);
-}
 
 //----------------------------------------------------------------------------
 
diff --git a/indra/newview/llinventorymodel.h b/indra/newview/llinventorymodel.h
index 8382e875b4..503de627a0 100644
--- a/indra/newview/llinventorymodel.h
+++ b/indra/newview/llinventorymodel.h
@@ -231,11 +231,12 @@ public:
 	// Returns the uuid of the category that specifies 'type' as what it 
 	// defaults to containing. The category is not necessarily only for that type. 
 	//    NOTE: If create_folder is true, this will create a new inventory category 
-	//    on the fly if one does not exist. *NOTE: if find_in_library is true it 
-	//    will search in the user's library folder instead of "My Inventory"
+	//    on the fly if one does not exist. 
 	const LLUUID findCategoryUUIDForType(LLFolderType::EType preferred_type, 
-										 bool create_folder = true, 
-										 bool find_in_library = false);
+										 bool create_folder = true);
+	//    will search in the user's library folder instead of "My Inventory"
+	const LLUUID findLibraryCategoryUUIDForType(LLFolderType::EType preferred_type, 
+												bool create_folder = true);
 	
 	// Get whatever special folder this object is a child of, if any.
 	const LLViewerInventoryCategory *getFirstNondefaultParent(const LLUUID& obj_id) const;
@@ -362,15 +363,6 @@ public:
 	// Returns end() of the vector if not found.
 	static LLInventoryModel::item_array_t::iterator findItemIterByUUID(LLInventoryModel::item_array_t& items, const LLUUID& id);
 
-	// Saves current order of the passed items using inventory item sort field.
-	// Resets 'items' sort fields and saves them on server.
-	// Is used to save order for Favorites folder.
-	void saveItemsOrder(const LLInventoryModel::item_array_t& items);
-
-	// Rearranges Landmarks inside Favorites folder.
-	// Moves source landmark before target one.
-	void rearrangeFavoriteLandmarks(const LLUUID& source_item_id, const LLUUID& target_item_id);
-
 	//--------------------------------------------------------------------
 	// Creation
 	//--------------------------------------------------------------------
diff --git a/indra/newview/llinventorypanel.cpp b/indra/newview/llinventorypanel.cpp
index 05c81957c6..c4918f0a31 100644
--- a/indra/newview/llinventorypanel.cpp
+++ b/indra/newview/llinventorypanel.cpp
@@ -38,11 +38,13 @@
 #include "llfloaterreg.h"
 #include "llfloatersidepanelcontainer.h"
 #include "llfolderview.h"
-#include "llimfloater.h"
+#include "llfolderviewitem.h"
+#include "llfloaterimcontainer.h"
 #include "llimview.h"
 #include "llinventorybridge.h"
 #include "llinventoryfunctions.h"
 #include "llinventorymodelbackgroundfetch.h"
+#include "llpreview.h"
 #include "llsidepanelinventory.h"
 #include "llviewerattachmenu.h"
 #include "llviewerfoldertype.h"
@@ -53,8 +55,16 @@ static LLDefaultChildRegistry::Register<LLInventoryPanel> r("inventory_panel");
 const std::string LLInventoryPanel::DEFAULT_SORT_ORDER = std::string("InventorySortOrder");
 const std::string LLInventoryPanel::RECENTITEMS_SORT_ORDER = std::string("RecentItemsSortOrder");
 const std::string LLInventoryPanel::INHERIT_SORT_ORDER = std::string("");
-static const LLInventoryFVBridgeBuilder INVENTORY_BRIDGE_BUILDER;
+static const LLInventoryFolderViewModelBuilder INVENTORY_BRIDGE_BUILDER;
 
+// statics 
+bool LLInventoryPanel::sColorSetInitialized = false;
+LLUIColor LLInventoryPanel::sDefaultColor;
+LLUIColor LLInventoryPanel::sDefaultHighlightColor;
+LLUIColor LLInventoryPanel::sLibraryColor;
+LLUIColor LLInventoryPanel::sLinkColor;
+
+const LLColor4U DEFAULT_WHITE(255, 255, 255);
 
 //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 // Class LLInventoryPanelObserver
@@ -134,78 +144,88 @@ LLInventoryPanel::LLInventoryPanel(const LLInventoryPanel::Params& p) :
 	mAllowMultiSelect(p.allow_multi_select),
 	mShowItemLinkOverlays(p.show_item_link_overlays),
 	mShowEmptyMessage(p.show_empty_message),
-	mShowLoadStatus(p.show_load_status),
 	mViewsInitialized(false),
 	mInvFVBridgeBuilder(NULL)
 {
 	mInvFVBridgeBuilder = &INVENTORY_BRIDGE_BUILDER;
 
-	// contex menu callbacks
+	if (!sColorSetInitialized)
+	{
+		sDefaultColor = LLUIColorTable::instance().getColor("MenuItemEnabledColor", DEFAULT_WHITE);
+		sDefaultHighlightColor = LLUIColorTable::instance().getColor("MenuItemHighlightFgColor", DEFAULT_WHITE);
+		sLibraryColor = LLUIColorTable::instance().getColor("InventoryItemLibraryColor", DEFAULT_WHITE);
+		sLinkColor = LLUIColorTable::instance().getColor("InventoryItemLinkColor", DEFAULT_WHITE);
+		sColorSetInitialized = true;
+	}
+	
+	// context menu callbacks
 	mCommitCallbackRegistrar.add("Inventory.DoToSelected", boost::bind(&LLInventoryPanel::doToSelected, this, _2));
 	mCommitCallbackRegistrar.add("Inventory.EmptyTrash", boost::bind(&LLInventoryModel::emptyFolderType, &gInventory, "ConfirmEmptyTrash", LLFolderType::FT_TRASH));
 	mCommitCallbackRegistrar.add("Inventory.EmptyLostAndFound", boost::bind(&LLInventoryModel::emptyFolderType, &gInventory, "ConfirmEmptyLostAndFound", LLFolderType::FT_LOST_AND_FOUND));
 	mCommitCallbackRegistrar.add("Inventory.DoCreate", boost::bind(&LLInventoryPanel::doCreate, this, _2));
 	mCommitCallbackRegistrar.add("Inventory.AttachObject", boost::bind(&LLInventoryPanel::attachObject, this, _2));
 	mCommitCallbackRegistrar.add("Inventory.BeginIMSession", boost::bind(&LLInventoryPanel::beginIMSession, this));
-	mCommitCallbackRegistrar.add("Inventory.Share",  boost::bind(&LLAvatarActions::shareWithAvatars));
+	mCommitCallbackRegistrar.add("Inventory.Share",  boost::bind(&LLAvatarActions::shareWithAvatars, this));
 
 }
 
-void LLInventoryPanel::buildFolderView(const LLInventoryPanel::Params& params)
+LLFolderView * LLInventoryPanel::createFolderRoot(LLUUID root_id )
 {
-	// Determine the root folder in case specified, and
-	// build the views starting with that folder.
-	
-	std::string start_folder_name(params.start_folder());
-	
-	const LLFolderType::EType preferred_type = LLViewerFolderType::lookupTypeFromNewCategoryName(start_folder_name);
-
-	LLUUID root_id;
-
-	if ("LIBRARY" == params.start_folder())
-	{
-		root_id = gInventory.getLibraryRootFolderID();
-	}
-	else
-	{
-		root_id = (preferred_type != LLFolderType::FT_NONE)
-				? gInventory.findCategoryUUIDForType(preferred_type, false, false) 
-				: LLUUID::null;
-	}
-	
-	if ((root_id == LLUUID::null) && !start_folder_name.empty())
-	{
-		llwarns << "No category found that matches start_folder: " << start_folder_name << llendl;
-		root_id = LLUUID::generateNewID();
-	}
-	
-	LLInvFVBridge* new_listener = mInvFVBridgeBuilder->createBridge(LLAssetType::AT_CATEGORY,
+    LLFolderView::Params p(mParams.folder_view);
+    p.name = getName();
+    p.title = getLabel();
+    p.rect = LLRect(0, 0, getRect().getWidth(), 0);
+    p.parent_panel = this;
+    p.tool_tip = p.name;
+    p.listener = mInvFVBridgeBuilder->createBridge(	LLAssetType::AT_CATEGORY,
 																	LLAssetType::AT_CATEGORY,
 																	LLInventoryType::IT_CATEGORY,
 																	this,
+																	&mInventoryViewModel,
 																	NULL,
 																	root_id);
+    p.view_model = &mInventoryViewModel;
+    p.use_label_suffix = mParams.use_label_suffix;
+    p.allow_multiselect = mAllowMultiSelect;
+    p.show_empty_message = mShowEmptyMessage;
+    p.show_item_link_overlays = mShowItemLinkOverlays;
+    p.root = NULL;
+    p.options_menu = "menu_inventory.xml";
 	
-	mFolderRoot = createFolderView(new_listener, params.use_label_suffix());
+    return LLUICtrlFactory::create<LLFolderView>(p);
 }
 
 void LLInventoryPanel::initFromParams(const LLInventoryPanel::Params& params)
 {
+	// save off copy of params
+	mParams = params;
+	// Clear up the root view
+	// Note: This needs to be done *before* we build the new folder view 
+	LLUUID root_id = getRootFolderID();
+	if (mFolderRoot)
+	{
+		removeItemID(root_id);
+		mFolderRoot->destroyView();
+		mFolderRoot = NULL;
+	}
+	
 	LLMemType mt(LLMemType::MTYPE_INVENTORY_POST_BUILD);
 
 	mCommitCallbackRegistrar.pushScope(); // registered as a widget; need to push callback scope ourselves
+	{
+		// Determine the root folder in case specified, and
+		// build the views starting with that folder.
+		mFolderRoot = createFolderRoot(root_id);
 	
-	buildFolderView(params);
-
+		addItemID(root_id, mFolderRoot);
+	}
 	mCommitCallbackRegistrar.popScope();
-	
 	mFolderRoot->setCallbackRegistrar(&mCommitCallbackRegistrar);
 	
 	// Scroller
-	{
 		LLRect scroller_view_rect = getRect();
 		scroller_view_rect.translate(-scroller_view_rect.mLeft, -scroller_view_rect.mBottom);
-		LLScrollContainer::Params scroller_params(params.scroll());
+	LLScrollContainer::Params scroller_params(mParams.scroll());
 		scroller_params.rect(scroller_view_rect);
 		mScroller = LLUICtrlFactory::create<LLFolderViewScrollContainer>(scroller_params);
 		addChild(mScroller);
@@ -213,7 +233,6 @@ void LLInventoryPanel::initFromParams(const LLInventoryPanel::Params& params)
 		mFolderRoot->setScrollContainer(mScroller);
 		mFolderRoot->setFollowsAll();
 		mFolderRoot->addChild(mFolderRoot->mStatusTextBox);
-	}
 
 	// Set up the callbacks from the inventory we're viewing, and then build everything.
 	mInventoryObserver = new LLInventoryPanelObserver(this);
@@ -228,6 +247,7 @@ void LLInventoryPanel::initFromParams(const LLInventoryPanel::Params& params)
 	{
 		initializeViews();
 	}
+	
 	gIdleCallbacks.addFunction(onIdle, (void*)this);
 
 	if (mSortOrderSetting != INHERIT_SORT_ORDER)
@@ -240,32 +260,31 @@ void LLInventoryPanel::initFromParams(const LLInventoryPanel::Params& params)
 	}
 
 	// hide inbox
-	getFilter()->setFilterCategoryTypes(getFilter()->getFilterCategoryTypes() & ~(1ULL << LLFolderType::FT_INBOX));
-	getFilter()->setFilterCategoryTypes(getFilter()->getFilterCategoryTypes() & ~(1ULL << LLFolderType::FT_OUTBOX));
+	getFilter().setFilterCategoryTypes(getFilter().getFilterCategoryTypes() & ~(1ULL << LLFolderType::FT_INBOX));
+	getFilter().setFilterCategoryTypes(getFilter().getFilterCategoryTypes() & ~(1ULL << LLFolderType::FT_OUTBOX));
 
 	// set the filter for the empty folder if the debug setting is on
 	if (gSavedSettings.getBOOL("DebugHideEmptySystemFolders"))
 	{
-		getFilter()->setFilterEmptySystemFolders();
+		getFilter().setFilterEmptySystemFolders();
 	}
 	
 	// keep track of the clipboard state so that we avoid filtering too much
 	mClipboardState = LLClipboard::instance().getGeneration();
 	
 	// Initialize base class params.
-	LLPanel::initFromParams(params);
+	LLPanel::initFromParams(mParams);
 }
 
 LLInventoryPanel::~LLInventoryPanel()
 {
-	if (mFolderRoot)
-	{
-		U32 sort_order = mFolderRoot->getSortOrder();
+	gIdleCallbacks.deleteFunction(idle, this);
+
+	U32 sort_order = getFolderViewModel()->getSorter().getSortOrder();
 		if (mSortOrderSetting != INHERIT_SORT_ORDER)
 		{
 			gSavedSettings.setU32(mSortOrderSetting, sort_order);
 		}
-	}
 
 	gIdleCallbacks.deleteFunction(onIdle, this);
 
@@ -281,82 +300,68 @@ LLInventoryPanel::~LLInventoryPanel()
 void LLInventoryPanel::draw()
 {
 	// Select the desired item (in case it wasn't loaded when the selection was requested)
-	mFolderRoot->updateSelection();
-	
-	// Nudge the filter if the clipboard state changed
-	if (mClipboardState != LLClipboard::instance().getGeneration())
-	{
-		mClipboardState = LLClipboard::instance().getGeneration();
-		getFilter()->setModified(LLClipboard::instance().isCutMode() ? LLInventoryFilter::FILTER_MORE_RESTRICTIVE : LLInventoryFilter::FILTER_LESS_RESTRICTIVE);
-	}
+	updateSelection();
 	
 	LLPanel::draw();
 }
 
-LLInventoryFilter* LLInventoryPanel::getFilter()
+const LLInventoryFilter& LLInventoryPanel::getFilter() const
 {
-	if (mFolderRoot) 
-	{
-		return mFolderRoot->getFilter();
-	}
-	return NULL;
+	return getFolderViewModel()->getFilter();
 }
 
-const LLInventoryFilter* LLInventoryPanel::getFilter() const
+LLInventoryFilter& LLInventoryPanel::getFilter()
 {
-	if (mFolderRoot)
-	{
-		return mFolderRoot->getFilter();
-	}
-	return NULL;
+	return getFolderViewModel()->getFilter();
 }
 
 void LLInventoryPanel::setFilterTypes(U64 types, LLInventoryFilter::EFilterType filter_type)
 {
 	if (filter_type == LLInventoryFilter::FILTERTYPE_OBJECT)
-		getFilter()->setFilterObjectTypes(types);
+		getFilter().setFilterObjectTypes(types);
 	if (filter_type == LLInventoryFilter::FILTERTYPE_CATEGORY)
-		getFilter()->setFilterCategoryTypes(types);
+		getFilter().setFilterCategoryTypes(types);
 }
 
 U32 LLInventoryPanel::getFilterObjectTypes() const 
 { 
-	return mFolderRoot->getFilterObjectTypes(); 
+	return getFilter().getFilterObjectTypes();
 }
 
 U32 LLInventoryPanel::getFilterPermMask() const 
 { 
-	return mFolderRoot->getFilterPermissions(); 
+	return getFilter().getFilterPermissions();
 }
 
 
 void LLInventoryPanel::setFilterPermMask(PermissionMask filter_perm_mask)
 {
-	getFilter()->setFilterPermissions(filter_perm_mask);
+	getFilter().setFilterPermissions(filter_perm_mask);
 }
 
 void LLInventoryPanel::setFilterWearableTypes(U64 types)
 {
-	getFilter()->setFilterWearableTypes(types);
+	getFilter().setFilterWearableTypes(types);
 }
 
 void LLInventoryPanel::setFilterSubString(const std::string& string)
 {
-	getFilter()->setFilterSubString(string);
+	getFilter().setFilterSubString(string);
 }
 
 const std::string LLInventoryPanel::getFilterSubString() 
 { 
-	return mFolderRoot->getFilterSubString(); 
+	return getFilter().getFilterSubString();
 }
 
 
 void LLInventoryPanel::setSortOrder(U32 order)
 {
-	getFilter()->setSortOrder(order);
-	if (getFilter()->isModified())
+    LLInventorySort sorter(order);
+	if (order != getFolderViewModel()->getSorter().getSortOrder())
 	{
-		mFolderRoot->setSortOrder(order);
+		getFolderViewModel()->setSorter(sorter);
+		mFolderRoot->arrangeAll();
 		// try to keep selection onscreen, even if it wasn't to start with
 		mFolderRoot->scrollToShowSelection();
 	}
@@ -364,37 +369,32 @@ void LLInventoryPanel::setSortOrder(U32 order)
 
 U32 LLInventoryPanel::getSortOrder() const 
 { 
-	return mFolderRoot->getSortOrder(); 
-}
-
-void LLInventoryPanel::requestSort()
-{
-	mFolderRoot->requestSort();
+	return getFolderViewModel()->getSorter().getSortOrder();
 }
 
 void LLInventoryPanel::setSinceLogoff(BOOL sl)
 {
-	getFilter()->setDateRangeLastLogoff(sl);
+	getFilter().setDateRangeLastLogoff(sl);
 }
 
 void LLInventoryPanel::setHoursAgo(U32 hours)
 {
-	getFilter()->setHoursAgo(hours);
+	getFilter().setHoursAgo(hours);
 }
 
 void LLInventoryPanel::setFilterLinks(U64 filter_links)
 {
-	getFilter()->setFilterLinks(filter_links);
+	getFilter().setFilterLinks(filter_links);
 }
 
 void LLInventoryPanel::setShowFolderState(LLInventoryFilter::EFolderShow show)
 {
-	getFilter()->setShowFolderState(show);
+	getFilter().setShowFolderState(show);
 }
 
 LLInventoryFilter::EFolderShow LLInventoryPanel::getShowFolderState()
 {
-	return getFilter()->getShowFolderState();
+	return getFilter().getShowFolderState();
 }
 
 void LLInventoryPanel::modelChanged(U32 mask)
@@ -418,11 +418,20 @@ void LLInventoryPanel::modelChanged(U32 mask)
 	{
 		const LLUUID& item_id = (*items_iter);
 		const LLInventoryObject* model_item = model->getObject(item_id);
-		LLFolderViewItem* view_item = mFolderRoot->getItemByID(item_id);
+		LLFolderViewItem* view_item = getItemByID(item_id);
+		LLFolderViewModelItemInventory* viewmodel_item = 
+			static_cast<LLFolderViewModelItemInventory*>(view_item ? view_item->getViewModelItem() : NULL);
 
 		// LLFolderViewFolder is derived from LLFolderViewItem so dynamic_cast from item
 		// to folder is the fast way to get a folder without searching through folders tree.
-		LLFolderViewFolder* view_folder = dynamic_cast<LLFolderViewFolder*>(view_item);
+		LLFolderViewFolder* view_folder = NULL;
+
+		// Check requires as this item might have already been deleted
+		// as a child of its deleted parent.
+		if (model_item && view_item)
+		{
+			view_folder = dynamic_cast<LLFolderViewFolder*>(view_item);
+		}
 
 		//////////////////////////////
 		// LABEL Operation
@@ -433,7 +442,7 @@ void LLInventoryPanel::modelChanged(U32 mask)
 			if (view_item)
 			{
 				// Request refresh on this item (also flags for filtering)
-				LLInvFVBridge* bridge = (LLInvFVBridge*)view_item->getListener();
+				LLInvFVBridge* bridge = (LLInvFVBridge*)view_item->getViewModelItem();
 				if(bridge)
 				{	// Clear the display name first, so it gets properly re-built during refresh()
 					bridge->clearDisplayName();
@@ -449,11 +458,15 @@ void LLInventoryPanel::modelChanged(U32 mask)
 		if (mask & LLInventoryObserver::REBUILD)
 		{
 			handled = true;
-			if (model_item && view_item)
+			if (model_item && view_item && viewmodel_item)
 			{
+				const LLUUID& idp = viewmodel_item->getUUID();
 				view_item->destroyView();
+				removeItemID(idp);
 			}
 			view_item = buildNewViews(item_id);
+			viewmodel_item = 
+				static_cast<LLFolderViewModelItemInventory*>(view_item ? view_item->getViewModelItem() : NULL);
 			view_folder = dynamic_cast<LLFolderViewFolder *>(view_item);
 		}
 
@@ -475,7 +488,7 @@ void LLInventoryPanel::modelChanged(U32 mask)
 		{
 			if (view_folder)
 			{
-				view_folder->requestSort();
+				view_folder->getViewModelItem()->requestSort();
 			}
 		}	
 
@@ -510,20 +523,24 @@ void LLInventoryPanel::modelChanged(U32 mask)
 			else if (model_item && view_item)
 			{
 				// Don't process the item if it is the root
-				if (view_item->getRoot() != view_item)
+				if (view_item->getParentFolder())
 				{
-					LLFolderViewFolder* new_parent = (LLFolderViewFolder*)mFolderRoot->getItemByID(model_item->getParentUUID());
+					LLFolderViewFolder* new_parent =   (LLFolderViewFolder*)getItemByID(model_item->getParentUUID());
 					// Item has been moved.
 					if (view_item->getParentFolder() != new_parent)
 					{
 						if (new_parent != NULL)
 						{
 							// Item is to be moved and we found its new parent in the panel's directory, so move the item's UI.
-							view_item->getParentFolder()->extractItem(view_item);
-							view_item->addToFolder(new_parent, mFolderRoot);
+							view_item->addToFolder(new_parent);
+							addItemID(viewmodel_item->getUUID(), view_item);
 						}
 						else 
 						{
+							// Remove the item ID before destroying the view because the view-model-item gets
+							// destroyed when the view is destroyed
+                            removeItemID(viewmodel_item->getUUID());
+
 							// Item is to be moved outside the panel's directory (e.g. moved to trash for a panel that 
 							// doesn't include trash).  Just remove the item's UI.
 							view_item->destroyView();
@@ -535,9 +552,10 @@ void LLInventoryPanel::modelChanged(U32 mask)
 			//////////////////////////////
 			// REMOVE Operation
 			// This item has been removed from memory, but its associated UI element still exists.
-			else if (!model_item && view_item)
+			else if (!model_item && view_item && viewmodel_item)
 			{
 				// Remove the item's UI.
+                removeItemID(viewmodel_item->getUUID());
 				view_item->destroyView();
 			}
 		}
@@ -549,6 +567,43 @@ LLFolderView* LLInventoryPanel::getRootFolder()
 	return mFolderRoot; 
 }
 
+LLUUID LLInventoryPanel::getRootFolderID()
+{
+	if (mFolderRoot && mFolderRoot->getViewModelItem())
+	{
+		return static_cast<LLFolderViewModelItemInventory*>(mFolderRoot->getViewModelItem())->getUUID();
+
+	}
+	else
+	{
+		LLUUID root_id;
+		if (mParams.start_folder.id.isChosen())
+		{
+			root_id = mParams.start_folder.id;
+		}
+		else
+		{
+			const LLFolderType::EType preferred_type = mParams.start_folder.type.isChosen() 
+				? mParams.start_folder.type
+				: LLViewerFolderType::lookupTypeFromNewCategoryName(mParams.start_folder.name);
+
+			if ("LIBRARY" == mParams.start_folder.name())
+			{
+				root_id = gInventory.getLibraryRootFolderID();
+			}
+			else if (preferred_type != LLFolderType::FT_NONE)
+			{
+				root_id = gInventory.findCategoryUUIDForType(preferred_type, false);
+				if (root_id.isNull())
+				{
+					llwarns << "Could not find folder of type " << preferred_type << llendl;
+					root_id.generateNewID();
+				}
+			}
+		}
+		return root_id;
+	}
+}
 
 // static
 void LLInventoryPanel::onIdle(void *userdata)
@@ -568,16 +623,73 @@ void LLInventoryPanel::onIdle(void *userdata)
 	}
 }
 
-const LLUUID& LLInventoryPanel::getRootFolderID() const
+struct DirtyFilterFunctor : public LLFolderViewFunctor
 {
-	return mFolderRoot->getListener()->getUUID();
+	/*virtual*/ void doFolder(LLFolderViewFolder* folder)
+	{
+		folder->getViewModelItem()->dirtyFilter();
+	}
+	/*virtual*/ void doItem(LLFolderViewItem* item)
+	{
+		item->getViewModelItem()->dirtyFilter();
+	}
+};
+
+void LLInventoryPanel::idle(void* user_data)
+{
+	LLInventoryPanel* panel = (LLInventoryPanel*)user_data;
+	// Nudge the filter if the clipboard state changed
+	if (panel->mClipboardState != LLClipboard::instance().getGeneration())
+	{
+		panel->mClipboardState = LLClipboard::instance().getGeneration();
+		const LLUUID trash_id = gInventory.findCategoryUUIDForType(LLFolderType::FT_TRASH);
+		LLFolderViewFolder* trash_folder = panel->getFolderByID(trash_id);
+		if (trash_folder)
+		{
+            DirtyFilterFunctor dirtyFilterFunctor;
+			trash_folder->applyFunctorToChildren(dirtyFilterFunctor);
+		}
+
+	}
+
+	panel->mFolderRoot->update();
+	// while dragging, update selection rendering to reflect single/multi drag status
+	if (LLToolDragAndDrop::getInstance()->hasMouseCapture())
+	{
+		EAcceptance last_accept = LLToolDragAndDrop::getInstance()->getLastAccept();
+		if (last_accept == ACCEPT_YES_SINGLE || last_accept == ACCEPT_YES_COPY_SINGLE)
+		{
+			panel->mFolderRoot->setShowSingleSelection(TRUE);
+		}
+		else
+		{
+			panel->mFolderRoot->setShowSingleSelection(FALSE);
+		}
 }
+	else
+	{
+		panel->mFolderRoot->setShowSingleSelection(FALSE);
+	}
+}
+
 
 void LLInventoryPanel::initializeViews()
 {
 	if (!gInventory.isInventoryUsable()) return;
 
-	rebuildViewsFor(getRootFolderID());
+	LLUUID root_id = getRootFolderID();
+	if (root_id.notNull())
+	{
+		buildNewViews(getRootFolderID());
+	}
+	else
+	{
+		// Default case: always add "My Inventory" first, "Library" second
+		buildNewViews(gInventory.getRootFolderID());		// My Inventory
+		buildNewViews(gInventory.getLibraryRootFolderID());	// Library
+	}
+
+	gIdleCallbacks.addFunction(idle, this);
 
 	mViewsInitialized = true;
 	
@@ -587,14 +699,14 @@ void LLInventoryPanel::initializeViews()
 	if (gAgent.isFirstLogin())
 	{
 		// Auto open the user's library
-		LLFolderViewFolder* lib_folder = mFolderRoot->getFolderByID(gInventory.getLibraryRootFolderID());
+		LLFolderViewFolder* lib_folder =   getFolderByID(gInventory.getLibraryRootFolderID());
 		if (lib_folder)
 		{
 			lib_folder->setOpen(TRUE);
 		}
 		
 		// Auto close the user's my inventory folder
-		LLFolderViewFolder* my_inv_folder = mFolderRoot->getFolderByID(gInventory.getRootFolderID());
+		LLFolderViewFolder* my_inv_folder =   getFolderByID(gInventory.getRootFolderID());
 		if (my_inv_folder)
 		{
 			my_inv_folder->setOpenArrangeRecursively(FALSE, LLFolderViewFolder::RECURSE_DOWN);
@@ -602,79 +714,35 @@ void LLInventoryPanel::initializeViews()
 	}
 }
 
-LLFolderViewItem* LLInventoryPanel::rebuildViewsFor(const LLUUID& id)
-{
-	// Destroy the old view for this ID so we can rebuild it.
-	LLFolderViewItem* old_view = mFolderRoot->getItemByID(id);
-	if (old_view)
-	{
-		old_view->destroyView();
-	}
-
-	return buildNewViews(id);
-}
-
-LLFolderView * LLInventoryPanel::createFolderView(LLInvFVBridge * bridge, bool useLabelSuffix)
-{
-	LLRect folder_rect(0,
-					   0,
-					   getRect().getWidth(),
-					   0);
-
-	LLFolderView::Params p;
-	
-	p.name = getName();
-	p.title = getLabel();
-	p.rect = folder_rect;
-	p.parent_panel = this;
-	p.tool_tip = p.name;
-	p.listener =  bridge;
-	p.use_label_suffix = useLabelSuffix;
-	p.allow_multiselect = mAllowMultiSelect;
-	p.show_empty_message = mShowEmptyMessage;
-	p.show_load_status = mShowLoadStatus;
-
-	return LLUICtrlFactory::create<LLFolderView>(p);
-}
 
 LLFolderViewFolder * LLInventoryPanel::createFolderViewFolder(LLInvFVBridge * bridge)
 {
-	LLFolderViewFolder::Params params;
+	LLFolderViewFolder::Params params(mParams.folder);
 
 	params.name = bridge->getDisplayName();
-	params.icon = bridge->getIcon();
-	params.icon_open = bridge->getOpenIcon();
-
-	if (mShowItemLinkOverlays) // if false, then links show up just like normal items
-	{
-		params.icon_overlay = LLUI::getUIImage("Inv_Link");
-	}
-	
 	params.root = mFolderRoot;
 	params.listener = bridge;
 	params.tool_tip = params.name;
 
+	params.font_color = (bridge->isLibraryItem() ? sLibraryColor : (bridge->isLink() ? sLinkColor : sDefaultColor));
+	params.font_highlight_color = (bridge->isLibraryItem() ? sLibraryColor : (bridge->isLink() ? sLinkColor : sDefaultHighlightColor));
+	
 	return LLUICtrlFactory::create<LLFolderViewFolder>(params);
 }
 
 LLFolderViewItem * LLInventoryPanel::createFolderViewItem(LLInvFVBridge * bridge)
 {
-	LLFolderViewItem::Params params;
+	LLFolderViewItem::Params params(mParams.item);
 	
 	params.name = bridge->getDisplayName();
-	params.icon = bridge->getIcon();
-	params.icon_open = bridge->getOpenIcon();
-
-	if (mShowItemLinkOverlays) // if false, then links show up just like normal items
-	{
-		params.icon_overlay = LLUI::getUIImage("Inv_Link");
-	}
-
 	params.creation_date = bridge->getCreationDate();
 	params.root = mFolderRoot;
 	params.listener = bridge;
 	params.rect = LLRect (0, 0, 0, 0);
 	params.tool_tip = params.name;
+
+	params.font_color = (bridge->isLibraryItem() ? sLibraryColor : (bridge->isLink() ? sLinkColor : sDefaultColor));
+	params.font_highlight_color = (bridge->isLibraryItem() ? sLibraryColor : (bridge->isLink() ? sLinkColor : sDefaultHighlightColor));
 	
 	return LLUICtrlFactory::create<LLFolderViewItem>(params);
 }
@@ -682,20 +750,15 @@ LLFolderViewItem * LLInventoryPanel::createFolderViewItem(LLInvFVBridge * bridge
 LLFolderViewItem* LLInventoryPanel::buildNewViews(const LLUUID& id)
 {
  	LLInventoryObject const* objectp = gInventory.getObject(id);
- 	LLUUID root_id = mFolderRoot->getListener()->getUUID();
- 	LLFolderViewFolder* parent_folder = NULL;
-	LLFolderViewItem* itemp = NULL;
 	
- 	if (id == root_id)
- 	{
- 		parent_folder = mFolderRoot;
- 	}
- 	else if (objectp)
- 	{
+	if (!objectp) return NULL;
+
+	LLFolderViewItem* folder_view_item = getItemByID(id);
+
  		const LLUUID &parent_id = objectp->getParentUUID();
- 		parent_folder = (LLFolderViewFolder*)mFolderRoot->getItemByID(parent_id);
+	LLFolderViewFolder* parent_folder = (LLFolderViewFolder*)getItemByID(parent_id);
   		
-  		if (parent_folder)
+ 	if (!folder_view_item && parent_folder)
   		{
   			if (objectp->getType() <= LLAssetType::AT_NONE ||
   				objectp->getType() >= LLAssetType::AT_COUNT)
@@ -713,16 +776,12 @@ LLFolderViewItem* LLInventoryPanel::buildNewViews(const LLUUID& id)
   																				objectp->getType(),
   																				LLInventoryType::IT_CATEGORY,
   																				this,
+																			&mInventoryViewModel,
   																				mFolderRoot,
   																				objectp->getUUID());
   				if (new_listener)
   				{
-					LLFolderViewFolder* folderp = createFolderViewFolder(new_listener);
-					if (folderp)
-					{
-						folderp->setItemSortOrder(mFolderRoot->getSortOrder());
-					}
-  					itemp = folderp;
+				folder_view_item = createFolderViewFolder(new_listener);
   				}
   			}
   			else
@@ -733,28 +792,28 @@ LLFolderViewItem* LLInventoryPanel::buildNewViews(const LLUUID& id)
   																				item->getActualType(),
   																				item->getInventoryType(),
   																				this,
+																			&mInventoryViewModel,
   																				mFolderRoot,
   																				item->getUUID(),
   																				item->getFlags());
  
   				if (new_listener)
   				{
-					itemp = createFolderViewItem(new_listener);
+				folder_view_item = createFolderViewItem(new_listener);
   				}
   			}
  
-  			if (itemp)
+  	    if (folder_view_item)
   			{
-  				itemp->addToFolder(parent_folder, mFolderRoot);
-   			}
+            llassert(parent_folder != NULL);
+            folder_view_item->addToFolder(parent_folder);
+			addItemID(id, folder_view_item);
 		}
 	}
 
 	// If this is a folder, add the children of the folder and recursively add any 
 	// child folders.
-	if (id.isNull()
-		||	(objectp
-			&& objectp->getType() == LLAssetType::AT_CATEGORY))
+	if (folder_view_item && objectp->getType() == LLAssetType::AT_CATEGORY)
 	{
 		LLViewerInventoryCategory::cat_array_t* categories;
 		LLViewerInventoryItem::item_array_t* items;
@@ -771,7 +830,7 @@ LLFolderViewItem* LLInventoryPanel::buildNewViews(const LLUUID& id)
 			}
 		}
 		
-		if(items && parent_folder)
+		if(items)
 		{
 			for (LLViewerInventoryItem::item_array_t::const_iterator item_iter = items->begin();
 				 item_iter != items->end();
@@ -784,7 +843,7 @@ LLFolderViewItem* LLInventoryPanel::buildNewViews(const LLUUID& id)
 		mInventory->unlockDirectDescendentArrays(id);
 	}
 	
-	return itemp;
+	return folder_view_item;
 }
 
 // bit of a hack to make sure the inventory is open.
@@ -795,8 +854,8 @@ void LLInventoryPanel::openStartFolderOrMyInventory()
 	{
 		LLFolderViewFolder *fchild = dynamic_cast<LLFolderViewFolder*>(child);
 		if (fchild
-			&& fchild->getListener()
-				&& fchild->getListener()->getUUID() == gInventory.getRootFolderID())
+			&& fchild->getViewModelItem()
+			&& fchild->getViewModelItem()->getName() == "My Inventory")
 		{
 			fchild->setOpen(TRUE);
 			break;
@@ -813,7 +872,7 @@ void LLInventoryPanel::openSelected()
 {
 	LLFolderViewItem* folder_item = mFolderRoot->getCurSelectedItem();
 	if(!folder_item) return;
-	LLInvFVBridge* bridge = (LLInvFVBridge*)folder_item->getListener();
+	LLInvFVBridge* bridge = (LLInvFVBridge*)folder_item->getViewModelItem();
 	if(!bridge) return;
 	bridge->openItem();
 }
@@ -917,7 +976,7 @@ void LLInventoryPanel::setSelection(const LLUUID& obj_id, BOOL take_keyboard_foc
 	{
 		return;
 	}
-	mFolderRoot->setSelectionByID(obj_id, take_keyboard_focus);
+	setSelectionByID(obj_id, take_keyboard_focus);
 }
 
 void LLInventoryPanel::setSelectCallback(const boost::function<void (const std::deque<LLFolderViewItem*>& items, BOOL user_action)>& cb) 
@@ -930,7 +989,7 @@ void LLInventoryPanel::setSelectCallback(const boost::function<void (const std::
 
 void LLInventoryPanel::clearSelection()
 {
-	mFolderRoot->clearSelection();
+	mSelectThisID.setNull();
 }
 
 void LLInventoryPanel::onSelectionChange(const std::deque<LLFolderViewItem*>& items, BOOL user_action)
@@ -939,7 +998,7 @@ void LLInventoryPanel::onSelectionChange(const std::deque<LLFolderViewItem*>& it
 	mCompletionObserver->reset();
 	for (std::deque<LLFolderViewItem*>::const_iterator it = items.begin(); it != items.end(); ++it)
 	{
-		LLUUID id = (*it)->getListener()->getUUID();
+		LLUUID id = static_cast<LLFolderViewModelItemInventory*>((*it)->getViewModelItem())->getUUID();
 		LLViewerInventoryItem* inv_item = mInventory->getItem(id);
 
 		if (inv_item && !inv_item->isFinished())
@@ -959,20 +1018,15 @@ void LLInventoryPanel::onSelectionChange(const std::deque<LLFolderViewItem*>& it
 	}
 }
 
-void LLInventoryPanel::doToSelected(const LLSD& userdata)
-{
-	mFolderRoot->doToSelected(&gInventory, userdata);
-}
-
 void LLInventoryPanel::doCreate(const LLSD& userdata)
 {
 	reset_inventory_filter();
-	menu_create_inventory_item(mFolderRoot, LLFolderBridge::sSelf.get(), userdata);
+	menu_create_inventory_item(this, LLFolderBridge::sSelf.get(), userdata);
 }
 
 bool LLInventoryPanel::beginIMSession()
 {
-	std::set<LLUUID> selected_items = mFolderRoot->getSelectionList();
+	std::set<LLFolderViewItem*> selected_items =   mFolderRoot->getSelectionList();
 
 	std::string name;
 	static int session_num = 1;
@@ -980,20 +1034,19 @@ bool LLInventoryPanel::beginIMSession()
 	LLDynamicArray<LLUUID> members;
 	EInstantMessage type = IM_SESSION_CONFERENCE_START;
 
-	std::set<LLUUID>::const_iterator iter;
+	std::set<LLFolderViewItem*>::const_iterator iter;
 	for (iter = selected_items.begin(); iter != selected_items.end(); iter++)
 	{
 
-		LLUUID item = *iter;
-		LLFolderViewItem* folder_item = mFolderRoot->getItemByID(item);
+		LLFolderViewItem* folder_item = (*iter);
 			
 		if(folder_item) 
 		{
-			LLFolderViewEventListener* fve_listener = folder_item->getListener();
+			LLFolderViewModelItemInventory* fve_listener = static_cast<LLFolderViewModelItemInventory*>(folder_item->getViewModelItem());
 			if (fve_listener && (fve_listener->getInventoryType() == LLInventoryType::IT_CATEGORY))
 			{
 
-				LLFolderBridge* bridge = (LLFolderBridge*)folder_item->getListener();
+				LLFolderBridge* bridge = (LLFolderBridge*)folder_item->getViewModelItem();
 				if(!bridge) return true;
 				LLViewerInventoryCategory* cat = bridge->getCategory();
 				if(!cat) return true;
@@ -1027,9 +1080,7 @@ bool LLInventoryPanel::beginIMSession()
 			}
 			else
 			{
-				LLFolderViewItem* folder_item = mFolderRoot->getItemByID(item);
-				if(!folder_item) return true;
-				LLInvFVBridge* listenerp = (LLInvFVBridge*)folder_item->getListener();
+				LLInvFVBridge* listenerp = (LLInvFVBridge*)folder_item->getViewModelItem();
 
 				if (listenerp->getInventoryType() == LLInventoryType::IT_CALLINGCARD)
 				{
@@ -1061,7 +1112,7 @@ bool LLInventoryPanel::beginIMSession()
 	LLUUID session_id = gIMMgr->addSession(name, type, members[0], members);
 	if (session_id != LLUUID::null)
 	{
-		LLIMFloater::show(session_id);
+		LLFloaterIMContainer::getInstance()->showConversation(session_id);
 	}
 		
 	return true;
@@ -1070,13 +1121,13 @@ bool LLInventoryPanel::beginIMSession()
 bool LLInventoryPanel::attachObject(const LLSD& userdata)
 {
 	// Copy selected item UUIDs to a vector.
-	std::set<LLUUID> selected_items = mFolderRoot->getSelectionList();
+	std::set<LLFolderViewItem*> selected_items = mFolderRoot->getSelectionList();
 	uuid_vec_t items;
-	for (std::set<LLUUID>::const_iterator set_iter = selected_items.begin(); 
+	for (std::set<LLFolderViewItem*>::const_iterator set_iter = selected_items.begin();
 		 set_iter != selected_items.end(); 
 		 ++set_iter)
 	{
-		items.push_back(*set_iter);
+		items.push_back(static_cast<LLFolderViewModelItemInventory*>((*set_iter)->getViewModelItem())->getUUID());
 	}
 
 	// Attach selected items.
@@ -1089,7 +1140,7 @@ bool LLInventoryPanel::attachObject(const LLSD& userdata)
 
 BOOL LLInventoryPanel::getSinceLogoff()
 {
-	return getFilter()->isSinceLogoff();
+	return getFilter().isSinceLogoff();
 }
 
 // DEBUG ONLY
@@ -1215,14 +1266,110 @@ void LLInventoryPanel::openInventoryPanelAndSetSelection(BOOL auto_open, const L
 
 void LLInventoryPanel::addHideFolderType(LLFolderType::EType folder_type)
 {
-	getFilter()->setFilterCategoryTypes(getFilter()->getFilterCategoryTypes() & ~(1ULL << folder_type));
+	getFilter().setFilterCategoryTypes(getFilter().getFilterCategoryTypes() & ~(1ULL << folder_type));
 }
 
 BOOL LLInventoryPanel::getIsHiddenFolderType(LLFolderType::EType folder_type) const
 {
-	return !(getFilter()->getFilterCategoryTypes() & (1ULL << folder_type));
+	return !(getFilter().getFilterCategoryTypes() & (1ULL << folder_type));
+}
+
+void LLInventoryPanel::addItemID( const LLUUID& id, LLFolderViewItem*   itemp )
+{
+	mItemMap[id] = itemp;
 }
 
+void LLInventoryPanel::removeItemID(const LLUUID& id)
+{
+	LLInventoryModel::cat_array_t categories;
+	LLInventoryModel::item_array_t items;
+	gInventory.collectDescendents(id, categories, items, TRUE);
+
+	mItemMap.erase(id);
+
+	for (LLInventoryModel::cat_array_t::iterator it = categories.begin(),    end_it = categories.end();
+		it != end_it;
+		++it)
+	{
+		mItemMap.erase((*it)->getUUID());
+}
+
+	for (LLInventoryModel::item_array_t::iterator it = items.begin(),   end_it  = items.end();
+		it != end_it;
+		++it)
+	{
+		mItemMap.erase((*it)->getUUID());
+	}
+}
+
+LLFastTimer::DeclareTimer FTM_GET_ITEM_BY_ID("Get FolderViewItem by ID");
+LLFolderViewItem* LLInventoryPanel::getItemByID(const LLUUID& id)
+{
+	LLFastTimer _(FTM_GET_ITEM_BY_ID);
+
+	std::map<LLUUID, LLFolderViewItem*>::iterator map_it;
+	map_it = mItemMap.find(id);
+	if (map_it != mItemMap.end())
+	{
+		return map_it->second;
+	}
+
+	return NULL;
+}
+
+LLFolderViewFolder* LLInventoryPanel::getFolderByID(const LLUUID& id)
+{
+	LLFolderViewItem* item = getItemByID(id);
+	return dynamic_cast<LLFolderViewFolder*>(item);
+}
+
+
+void LLInventoryPanel::setSelectionByID( const LLUUID& obj_id, BOOL    take_keyboard_focus )
+{
+	LLFolderViewItem* itemp = getItemByID(obj_id);
+	if(itemp && itemp->getViewModelItem())
+	{
+		itemp->arrangeAndSet(TRUE, take_keyboard_focus);
+		mSelectThisID.setNull();
+		return;
+	}
+	else
+	{
+		// save the desired item to be selected later (if/when ready)
+		mSelectThisID = obj_id;
+	}
+}
+
+void LLInventoryPanel::updateSelection()
+{
+	if (mSelectThisID.notNull())
+	{
+		setSelectionByID(mSelectThisID, false);
+	}
+}
+
+void LLInventoryPanel::doToSelected(const LLSD& userdata)
+{
+	LLInventoryAction::doToSelected(mInventory, mFolderRoot, userdata.asString());
+
+	return;
+}
+
+BOOL LLInventoryPanel::handleKeyHere( KEY key, MASK mask )
+{
+	BOOL handled = FALSE;
+	switch (key)
+	{
+	case KEY_RETURN:
+		// Open selected items if enter key hit on the inventory panel
+		if (mask == MASK_NONE)
+		{
+			LLInventoryAction::doToSelected(mInventory, mFolderRoot, "open");
+			handled = TRUE;
+		}
+	}
+	return handled;
+}
 
 /************************************************************************/
 /* Recent Inventory Panel related class                                 */
@@ -1241,7 +1388,7 @@ public:
 	{
 		LLInventoryPanel::initFromParams(p);
 		// turn on inbox for recent items
-		getFilter()->setFilterCategoryTypes(getFilter()->getFilterCategoryTypes() | (1ULL << LLFolderType::FT_INBOX));
+		getFilter().setFilterCategoryTypes(getFilter().getFilterCategoryTypes() | (1ULL << LLFolderType::FT_INBOX));
 	}
 
 protected:
@@ -1256,3 +1403,34 @@ LLInventoryRecentItemsPanel::LLInventoryRecentItemsPanel( const Params& params)
 	mInvFVBridgeBuilder = &RECENT_ITEMS_BUILDER;
 }
 
+namespace LLInitParam
+{
+	void TypeValues<LLFolderType::EType>::declareValues()
+	{
+		declare(LLFolderType::lookup(LLFolderType::FT_TEXTURE)          , LLFolderType::FT_TEXTURE);
+		declare(LLFolderType::lookup(LLFolderType::FT_SOUND)            , LLFolderType::FT_SOUND);
+		declare(LLFolderType::lookup(LLFolderType::FT_CALLINGCARD)      , LLFolderType::FT_CALLINGCARD);
+		declare(LLFolderType::lookup(LLFolderType::FT_LANDMARK)         , LLFolderType::FT_LANDMARK);
+		declare(LLFolderType::lookup(LLFolderType::FT_CLOTHING)         , LLFolderType::FT_CLOTHING);
+		declare(LLFolderType::lookup(LLFolderType::FT_OBJECT)           , LLFolderType::FT_OBJECT);
+		declare(LLFolderType::lookup(LLFolderType::FT_NOTECARD)         , LLFolderType::FT_NOTECARD);
+		declare(LLFolderType::lookup(LLFolderType::FT_ROOT_INVENTORY)   , LLFolderType::FT_ROOT_INVENTORY);
+		declare(LLFolderType::lookup(LLFolderType::FT_LSL_TEXT)         , LLFolderType::FT_LSL_TEXT);
+		declare(LLFolderType::lookup(LLFolderType::FT_BODYPART)         , LLFolderType::FT_BODYPART);
+		declare(LLFolderType::lookup(LLFolderType::FT_TRASH)            , LLFolderType::FT_TRASH);
+		declare(LLFolderType::lookup(LLFolderType::FT_SNAPSHOT_CATEGORY), LLFolderType::FT_SNAPSHOT_CATEGORY);
+		declare(LLFolderType::lookup(LLFolderType::FT_LOST_AND_FOUND)   , LLFolderType::FT_LOST_AND_FOUND);
+		declare(LLFolderType::lookup(LLFolderType::FT_ANIMATION)        , LLFolderType::FT_ANIMATION);
+		declare(LLFolderType::lookup(LLFolderType::FT_GESTURE)          , LLFolderType::FT_GESTURE);
+		declare(LLFolderType::lookup(LLFolderType::FT_FAVORITE)         , LLFolderType::FT_FAVORITE);
+		declare(LLFolderType::lookup(LLFolderType::FT_ENSEMBLE_START)   , LLFolderType::FT_ENSEMBLE_START);
+		declare(LLFolderType::lookup(LLFolderType::FT_ENSEMBLE_END)     , LLFolderType::FT_ENSEMBLE_END);
+		declare(LLFolderType::lookup(LLFolderType::FT_CURRENT_OUTFIT)   , LLFolderType::FT_CURRENT_OUTFIT);
+		declare(LLFolderType::lookup(LLFolderType::FT_OUTFIT)           , LLFolderType::FT_OUTFIT);
+		declare(LLFolderType::lookup(LLFolderType::FT_MY_OUTFITS)       , LLFolderType::FT_MY_OUTFITS);
+		declare(LLFolderType::lookup(LLFolderType::FT_MESH )            , LLFolderType::FT_MESH );
+		declare(LLFolderType::lookup(LLFolderType::FT_INBOX)            , LLFolderType::FT_INBOX);
+		declare(LLFolderType::lookup(LLFolderType::FT_OUTBOX)           , LLFolderType::FT_OUTBOX);
+		declare(LLFolderType::lookup(LLFolderType::FT_BASIC_ROOT)       , LLFolderType::FT_BASIC_ROOT);
+	}
+}
diff --git a/indra/newview/llinventorypanel.h b/indra/newview/llinventorypanel.h
index 6db59afb9b..6eb85fbad2 100644
--- a/indra/newview/llinventorypanel.h
+++ b/indra/newview/llinventorypanel.h
@@ -30,6 +30,8 @@
 
 #include "llassetstorage.h"
 #include "lldarray.h"
+#include "llfolderviewitem.h"
+#include "llfolderviewmodelinventory.h"
 #include "llfloater.h"
 #include "llinventory.h"
 #include "llinventoryfilter.h"
@@ -38,22 +40,19 @@
 #include "lluictrlfactory.h"
 #include <set>
 
-class LLFolderView;
-class LLFolderViewFolder;
-class LLFolderViewItem;
-class LLInventoryFilter;
-class LLInventoryModel;
 class LLInvFVBridge;
-class LLInventoryFVBridgeBuilder;
-class LLMenuBarGL;
-class LLCheckBoxCtrl;
-class LLSpinCtrl;
-class LLTextBox;
-class LLIconCtrl;
-class LLSaveFolderState;
-class LLFilterEditor;
-class LLTabContainer;
+class LLInventoryFolderViewModelBuilder;
 class LLInvPanelComplObserver;
+class LLFolderViewModelInventory;
+
+namespace LLInitParam
+{
+	template<>
+	struct TypeValues<LLFolderType::EType> : public TypeValuesHelper<LLFolderType::EType>
+	{
+		static void declareValues();
+	};
+}
 
 class LLInventoryPanel : public LLPanel
 {
@@ -74,6 +73,19 @@ public:
 		{}
 	};
 
+	struct StartFolder : public LLInitParam::ChoiceBlock<StartFolder>
+	{
+		Alternative<std::string>			name;
+		Alternative<LLUUID>					id;
+		Alternative<LLFolderType::EType>	type;
+
+		StartFolder()
+		:	name("name"), 
+			id("id"),
+			type("type")
+		{}
+	};
+
 	struct Params 
 	:	public LLInitParam::Block<Params, LLPanel::Params>
 	{
@@ -82,12 +94,14 @@ public:
 		Optional<bool>						allow_multi_select;
 		Optional<bool>						show_item_link_overlays;
 		Optional<Filter>					filter;
-		Optional<std::string>               start_folder;
+		Optional<StartFolder>               start_folder;
 		Optional<bool>						use_label_suffix;
 		Optional<bool>						show_empty_message;
-		Optional<bool>						show_load_status;
 		Optional<LLScrollContainer::Params>	scroll;
 		Optional<bool>						accepts_drag_and_drop;
+		Optional<LLFolderView::Params>		folder_view;
+		Optional<LLFolderViewFolder::Params> folder;
+		Optional<LLFolderViewItem::Params>	 item;
 
 		Params()
 		:	sort_order_setting("sort_order_setting"),
@@ -98,27 +112,38 @@ public:
 			start_folder("start_folder"),
 			use_label_suffix("use_label_suffix", true),
 			show_empty_message("show_empty_message", true),
-			show_load_status("show_load_status"),
 			scroll("scroll"),
-			accepts_drag_and_drop("accepts_drag_and_drop")
+			accepts_drag_and_drop("accepts_drag_and_drop"),
+			folder_view("folder_view"),
+			folder("folder"),
+			item("item")
 		{}
 	};
 
+	struct InventoryState : public LLInitParam::Block<InventoryState>
+	{
+		Mandatory<LLInventoryFilter::Params> filter;
+		Mandatory<LLInventorySort::Params> sort;
+	};
+
 	//--------------------------------------------------------------------
 	// Initialization
 	//--------------------------------------------------------------------
 protected:
 	LLInventoryPanel(const Params&);
 	void initFromParams(const Params&);
+
 	friend class LLUICtrlFactory;
 public:
 	virtual ~LLInventoryPanel();
 
 public:
 	LLInventoryModel* getModel() { return mInventory; }
+	LLFolderViewModelInventory& getRootViewModel() { return mInventoryViewModel; }
 
 	// LLView methods
 	void draw();
+	/*virtual*/ BOOL handleKeyHere( KEY key, MASK mask );
 	BOOL handleHover(S32 x, S32 y, MASK mask);
 	BOOL handleDragAndDrop(S32 x, S32 y, MASK mask, BOOL drop,
 								   EDragAndDropType cargo_type,
@@ -137,8 +162,8 @@ public:
 	void setSelection(const LLUUID& obj_id, BOOL take_keyboard_focus);
 	void setSelectCallback(const boost::function<void (const std::deque<LLFolderViewItem*>& items, BOOL user_action)>& cb);
 	void clearSelection();
-	LLInventoryFilter* getFilter();
-	const LLInventoryFilter* getFilter() const;
+	LLInventoryFilter& getFilter();
+	const LLInventoryFilter& getFilter() const;
 	void setFilterTypes(U64 filter, LLInventoryFilter::EFilterType = LLInventoryFilter::FILTERTYPE_OBJECT);
 	U32 getFilterObjectTypes() const;
 	void setFilterPermMask(PermissionMask filter_perm_mask);
@@ -156,6 +181,7 @@ public:
 	// This method is called when something has changed about the inventory.
 	void modelChanged(U32 mask);
 	LLFolderView* getRootFolder();
+	LLUUID getRootFolderID();
 	LLScrollContainer* getScrollableContainer() { return mScroller; }
 	
 	void onSelectionChange(const std::deque<LLFolderViewItem*> &items, BOOL user_action);
@@ -167,7 +193,8 @@ public:
 	void doCreate(const LLSD& userdata);
 	bool beginIMSession();
 	bool attachObject(const LLSD& userdata);
-	
+	static void idle(void* user_data);
+
 	// DEBUG ONLY:
 	static void dumpSelectionInformation(void* user_data);
 
@@ -182,30 +209,44 @@ public:
 	
 	static void openInventoryPanelAndSetSelection(BOOL auto_open, const LLUUID& obj_id);
 
+	void addItemID(const LLUUID& id, LLFolderViewItem* itemp);
+	void removeItemID(const LLUUID& id);
+	LLFolderViewItem* getItemByID(const LLUUID& id);
+	LLFolderViewFolder* getFolderByID(const LLUUID& id);
+	void setSelectionByID(const LLUUID& obj_id, BOOL take_keyboard_focus);
+	void updateSelection();
+
+	LLFolderViewModelInventory* getFolderViewModel();
+	const LLFolderViewModelInventory* getFolderViewModel() const;
+
 protected:
 	void openStartFolderOrMyInventory(); // open the first level of inventory
 	void onItemsCompletion();			// called when selected items are complete
 
+    LLUUID						mSelectThisID;	
 	LLInventoryModel*			mInventory;
 	LLInventoryObserver*		mInventoryObserver;
 	LLInvPanelComplObserver*	mCompletionObserver;
-	BOOL						mAcceptsDragAndDrop;
-	BOOL 						mAllowMultiSelect;
-	BOOL 						mShowItemLinkOverlays; // Shows link graphic over inventory item icons
-	BOOL						mShowEmptyMessage;
-	BOOL						mShowLoadStatus;
+	bool						mAcceptsDragAndDrop;
+	bool 						mAllowMultiSelect;
+	bool 						mShowItemLinkOverlays; // Shows link graphic over inventory item icons
+	bool						mShowEmptyMessage;
 
 	LLFolderView*				mFolderRoot;
 	LLScrollContainer*			mScroller;
 
+	LLFolderViewModelInventory	mInventoryViewModel;
+	Params						mParams;	// stored copy of parameter block
+
+	std::map<LLUUID, LLFolderViewItem*> mItemMap;
 	/**
-	 * Pointer to LLInventoryFVBridgeBuilder.
+	 * Pointer to LLInventoryFolderViewModelBuilder.
 	 *
 	 * It is set in LLInventoryPanel's constructor and can be overridden in derived classes with 
 	 * another implementation.
 	 * Take into account it will not be deleted by LLInventoryPanel itself.
 	 */
-	const LLInventoryFVBridgeBuilder* mInvFVBridgeBuilder;
+	const LLInventoryFolderViewModelBuilder* mInvFVBridgeBuilder;
 
 
 	//--------------------------------------------------------------------
@@ -218,7 +259,6 @@ public:
 	
 	void setSortOrder(U32 order);
 	U32 getSortOrder() const;
-	void requestSort();
 
 private:
 	std::string					mSortOrderSetting;
@@ -231,26 +271,27 @@ public:
 	void addHideFolderType(LLFolderType::EType folder_type);
 
 public:
-	BOOL 				getIsViewsInitialized() const { return mViewsInitialized; }
-	const LLUUID&		getRootFolderID() const;
+	BOOL getIsViewsInitialized() const { return mViewsInitialized; }
 protected:
 	// Builds the UI.  Call this once the inventory is usable.
 	void 				initializeViews();
-	LLFolderViewItem*	rebuildViewsFor(const LLUUID& id); // Given the id and the parent, build all of the folder views.
 
-	virtual void		buildFolderView(const LLInventoryPanel::Params& params);
+	// Specific inventory colors
+	static bool                 sColorSetInitialized;
+	static LLUIColor			sDefaultColor;
+	static LLUIColor			sDefaultHighlightColor;
+	static LLUIColor			sLibraryColor;
+	static LLUIColor			sLinkColor;
+	
 	LLFolderViewItem*	buildNewViews(const LLUUID& id);
 	BOOL				getIsHiddenFolderType(LLFolderType::EType folder_type) const;
 	
-	virtual LLFolderView*		createFolderView(LLInvFVBridge * bridge, bool useLabelSuffix);
+    virtual LLFolderView * createFolderRoot(LLUUID root_id );
 	virtual LLFolderViewFolder*	createFolderViewFolder(LLInvFVBridge * bridge);
 	virtual LLFolderViewItem*	createFolderViewItem(LLInvFVBridge * bridge);
 private:
-	BOOL				mBuildDefaultHierarchy; // default inventory hierarchy should be created in postBuild()
-	BOOL				mViewsInitialized; // Views have been generated
-	// UUID of category from which hierarchy should be built.  Set with the 
-	// "start_folder" xml property.  Default is LLUUID::null that means total Inventory hierarchy. 
-	LLUUID				mStartFolderID;
+	bool				mBuildDefaultHierarchy; // default inventory hierarchy should be created in postBuild()
+	bool				mViewsInitialized; // Views have been generated
 };
 
 #endif // LL_LLINVENTORYPANEL_H
diff --git a/indra/newview/lllistcontextmenu.h b/indra/newview/lllistcontextmenu.h
index fabd68ee20..04d3314829 100644
--- a/indra/newview/lllistcontextmenu.h
+++ b/indra/newview/lllistcontextmenu.h
@@ -37,7 +37,7 @@ class LLContextMenu;
 /**
  * Context menu for single or multiple list items.
  * 
- * Derived classes must implement contextMenu().
+ * Derived classes must implement createMenu().
  * 
  * Typical usage:
  * <code>
diff --git a/indra/newview/lllogchat.cpp b/indra/newview/lllogchat.cpp
index ebb5912ace..3692658e9e 100644
--- a/indra/newview/lllogchat.cpp
+++ b/indra/newview/lllogchat.cpp
@@ -387,13 +387,16 @@ void append_to_last_message(std::list<LLSD>& messages, const std::string& line)
 }
 
 // static
-void LLLogChat::loadAllHistory(const std::string& file_name, std::list<LLSD>& messages)
+void LLLogChat::loadChatHistory(const std::string& file_name, std::list<LLSD>& messages, const LLSD& load_params)
 {
 	if (file_name.empty())
 	{
 		llwarns << "Session name is Empty!" << llendl;
 		return ;
 	}
+
+	bool load_all_history = load_params.has("load_all_history") ? load_params["load_all_history"].asBoolean() : false;
+
 	//LL_INFOS("") << "Loading:" << file_name << LL_ENDL;/* uncomment if you want to verify step, delete on commit */
 	//LL_INFOS("") << "Current:" << makeLogFileName(file_name) << LL_ENDL;/* uncomment if you want to verify step, delete on commit */
 	LLFILE* fptr = LLFile::fopen(makeLogFileName(file_name), "r");/*Flawfinder: ignore*/
@@ -412,8 +415,8 @@ void LLLogChat::loadAllHistory(const std::string& file_name, std::list<LLSD>& me
 	S32 len;
 	bool firstline = TRUE;
 
-	if (fseek(fptr, (LOG_RECALL_SIZE - 1) * -1  , SEEK_END))
-	{	//File is smaller than recall size.  Get it all.
+	if (load_all_history || fseek(fptr, (LOG_RECALL_SIZE - 1) * -1  , SEEK_END))
+	{	//We need to load the whole historyFile or it's smaller than recall size, so get it all.
 		firstline = FALSE;
 		if (fseek(fptr, 0, SEEK_SET))
 		{
@@ -449,7 +452,7 @@ void LLLogChat::loadAllHistory(const std::string& file_name, std::list<LLSD>& me
 		else
 		{
 			LLSD item;
-			if (!LLChatLogParser::parse(line, item))
+			if (!LLChatLogParser::parse(line, item, load_params))
 			{
 				item[IM_TEXT] = line;
 			}
@@ -500,10 +503,11 @@ void LLChatLogFormatter::format(const LLSD& im, std::ostream& ostr) const
 	}
 	}
 
-bool LLChatLogParser::parse(std::string& raw, LLSD& im)
+bool LLChatLogParser::parse(std::string& raw, LLSD& im, const LLSD& parse_params)
 {
 	if (!raw.length()) return false;
 	
+	bool cut_off_todays_date = parse_params.has("cut_off_todays_date")  ? parse_params["cut_off_todays_date"].asBoolean()  : true;
 	im = LLSD::emptyMap();
 
 	//matching a timestamp
@@ -518,7 +522,12 @@ bool LLChatLogParser::parse(std::string& raw, LLSD& im)
 		boost::trim(timestamp);
 		timestamp.erase(0, 1);
 		timestamp.erase(timestamp.length()-1, 1);
-		LLLogChatTimeScanner::instance().checkAndCutOffDate(timestamp);
+
+		if (cut_off_todays_date)
+		{
+			LLLogChatTimeScanner::instance().checkAndCutOffDate(timestamp);
+		}
+
 		im[IM_TIME] = timestamp;
 	}
 	else
diff --git a/indra/newview/lllogchat.h b/indra/newview/lllogchat.h
index 27752452c9..d3e9adcc37 100644
--- a/indra/newview/lllogchat.h
+++ b/indra/newview/lllogchat.h
@@ -50,12 +50,12 @@ public:
 				const LLUUID& from_id,
 				const std::string& line);
 
-	/** @deprecated @see loadAllHistory() */
+	/** @deprecated @see loadChatHistory() */
 	static void loadHistory(const std::string& filename, 
 		                    void (*callback)(ELogLineType, const LLSD&, void*), 
 							void* userdata);
 
-	static void loadAllHistory(const std::string& file_name, std::list<LLSD>& messages);
+	static void loadChatHistory(const std::string& file_name, std::list<LLSD>& messages, const LLSD& load_params = LLSD());
 private:
 	static std::string cleanFileName(std::string filename);
 };
@@ -105,7 +105,7 @@ public:
 	 *
 	 * @return false if failed to parse mandatory data - message text
 	 */
-	static bool parse(std::string& raw, LLSD& im);
+	static bool parse(std::string& raw, LLSD& im, const LLSD& parse_params = LLSD());
 
 protected:
 	LLChatLogParser();
diff --git a/indra/newview/llnamelistctrl.cpp b/indra/newview/llnamelistctrl.cpp
index b0fbad33b0..7f396b7b7e 100644
--- a/indra/newview/llnamelistctrl.cpp
+++ b/indra/newview/llnamelistctrl.cpp
@@ -64,7 +64,8 @@ LLNameListCtrl::LLNameListCtrl(const LLNameListCtrl::Params& p)
 	mNameColumnIndex(p.name_column.column_index),
 	mNameColumn(p.name_column.column_name),
 	mAllowCallingCardDrop(p.allow_calling_card_drop),
-	mShortNames(p.short_names)
+	mShortNames(p.short_names),
+	mAvatarNameCacheConnection()
 {}
 
 // public
@@ -320,16 +321,20 @@ LLScrollListItem* LLNameListCtrl::addNameItemRow(
 			else if (LLAvatarNameCache::get(id, &av_name))
 			{
 				if (mShortNames)
-					fullname = av_name.mDisplayName;
+					fullname = av_name.getDisplayName();
 				else
 					fullname = av_name.getCompleteName();
 			}
 			else
 			{
 				// ...schedule a callback
-				LLAvatarNameCache::get(id,
-					boost::bind(&LLNameListCtrl::onAvatarNameCache,
-						this, _1, _2, item->getHandle()));
+				// This is not correct and will likely lead to partially populated lists in cases where avatar names are not cached.
+				// *TODO : Change this to have 2 callbacks : one callback per list item and one for the whole list.
+				if (mAvatarNameCacheConnection.connected())
+				{
+					mAvatarNameCacheConnection.disconnect();
+				}
+				mAvatarNameCacheConnection = LLAvatarNameCache::get(id,boost::bind(&LLNameListCtrl::onAvatarNameCache,this, _1, _2, item->getHandle()));
 			}
 			break;
 		}
@@ -388,9 +393,11 @@ void LLNameListCtrl::onAvatarNameCache(const LLUUID& agent_id,
 									   const LLAvatarName& av_name,
 									   LLHandle<LLNameListItem> item)
 {
+	mAvatarNameCacheConnection.disconnect();
+
 	std::string name;
 	if (mShortNames)
-		name = av_name.mDisplayName;
+		name = av_name.getDisplayName();
 	else
 		name = av_name.getCompleteName();
 
diff --git a/indra/newview/llnamelistctrl.h b/indra/newview/llnamelistctrl.h
index 3ac0565761..271802d48a 100644
--- a/indra/newview/llnamelistctrl.h
+++ b/indra/newview/llnamelistctrl.h
@@ -111,6 +111,13 @@ public:
 
 protected:
 	LLNameListCtrl(const Params&);
+	virtual ~LLNameListCtrl()
+	{
+		if (mAvatarNameCacheConnection.connected())
+		{
+			mAvatarNameCacheConnection.disconnect();
+		}
+	}
 	friend class LLUICtrlFactory;
 public:
 	// Add a user to the list by name.  It will be added, the name
@@ -154,6 +161,7 @@ private:
 	std::string		mNameColumn;
 	BOOL			mAllowCallingCardDrop;
 	bool			mShortNames;  // display name only, no SLID
+	boost::signals2::connection mAvatarNameCacheConnection;
 };
 
 
diff --git a/indra/newview/llnearbychat.cpp b/indra/newview/llnearbychat.cpp
deleted file mode 100644
index a7303ad035..0000000000
--- a/indra/newview/llnearbychat.cpp
+++ /dev/null
@@ -1,338 +0,0 @@
-/** 
- * @file LLNearbyChat.cpp
- * @brief Nearby chat history scrolling panel implementation
- *
- * $LicenseInfo:firstyear=2009&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#include "llviewerprecompiledheaders.h"
-
-#include "llnearbychat.h"
-#include "llviewercontrol.h"
-#include "llviewerwindow.h"
-#include "llrootview.h"
-//#include "llchatitemscontainerctrl.h"
-#include "lliconctrl.h"
-#include "llfloatersidepanelcontainer.h"
-#include "llfocusmgr.h"
-#include "lllogchat.h"
-#include "llresizebar.h"
-#include "llresizehandle.h"
-#include "llmenugl.h"
-#include "llviewermenu.h"//for gMenuHolder
-
-#include "llnearbychathandler.h"
-#include "llchannelmanager.h"
-
-#include "llagent.h" 			// gAgent
-#include "llchathistory.h"
-#include "llstylemap.h"
-
-#include "llavatarnamecache.h"
-
-#include "lldraghandle.h"
-
-#include "llnearbychatbar.h"
-#include "llfloaterreg.h"
-#include "lltrans.h"
-
-static const S32 RESIZE_BAR_THICKNESS = 3;
-
-
-static LLRegisterPanelClassWrapper<LLNearbyChat> t_panel_nearby_chat("panel_nearby_chat");
-
-LLNearbyChat::LLNearbyChat(const LLNearbyChat::Params& p) 
-:	LLPanel(p),
-	mChatHistory(NULL)
-{
-}
-
-BOOL LLNearbyChat::postBuild()
-{
-	//menu
-	LLUICtrl::CommitCallbackRegistry::ScopedRegistrar registrar;
-	LLUICtrl::EnableCallbackRegistry::ScopedRegistrar enable_registrar;
-
-	enable_registrar.add("NearbyChat.Check", boost::bind(&LLNearbyChat::onNearbyChatCheckContextMenuItem, this, _2));
-	registrar.add("NearbyChat.Action", boost::bind(&LLNearbyChat::onNearbyChatContextMenuItemClicked, this, _2));
-
-	
-	LLMenuGL* menu = LLUICtrlFactory::getInstance()->createFromFile<LLMenuGL>("menu_nearby_chat.xml", gMenuHolder, LLViewerMenuHolderGL::child_registry_t::instance());
-	if(menu)
-		mPopupMenuHandle = menu->getHandle();
-
-	gSavedSettings.declareS32("nearbychat_showicons_and_names",2,"NearByChat header settings",true);
-
-	mChatHistory = getChild<LLChatHistory>("chat_history");
-
-	if(!LLPanel::postBuild())
-		return false;
-	
-	return true;
-}
-
-std::string appendTime()
-{
-	time_t utc_time;
-	utc_time = time_corrected();
-	std::string timeStr ="["+ LLTrans::getString("TimeHour")+"]:["
-		+LLTrans::getString("TimeMin")+"]";
-
-	LLSD substitution;
-
-	substitution["datetime"] = (S32) utc_time;
-	LLStringUtil::format (timeStr, substitution);
-
-	return timeStr;
-}
-
-
-void	LLNearbyChat::addMessage(const LLChat& chat,bool archive,const LLSD &args)
-{
-	LLChat& tmp_chat = const_cast<LLChat&>(chat);
-
-	if(tmp_chat.mTimeStr.empty())
-		tmp_chat.mTimeStr = appendTime();
-
-	bool use_plain_text_chat_history = gSavedSettings.getBOOL("PlainTextChatHistory");
-	
-	if (!chat.mMuted)
-	{
-		tmp_chat.mFromName = chat.mFromName;
-		LLSD chat_args = args;
-		chat_args["use_plain_text_chat_history"] = use_plain_text_chat_history;
-		mChatHistory->appendMessage(chat, chat_args);
-	}
-
-	if(archive)
-	{
-		mMessageArchive.push_back(chat);
-		if(mMessageArchive.size()>200)
-			mMessageArchive.erase(mMessageArchive.begin());
-	}
-
-	if (args["do_not_log"].asBoolean()) 
-	{
-		return;
-	}
-
-	if (gSavedPerAccountSettings.getBOOL("LogNearbyChat"))
-	{
-		std::string from_name = chat.mFromName;
-
-		if (chat.mSourceType == CHAT_SOURCE_AGENT)
-		{
-			// if the chat is coming from an agent, log the complete name
-			LLAvatarName av_name;
-			LLAvatarNameCache::get(chat.mFromID, &av_name);
-
-			if (!av_name.mIsDisplayNameDefault)
-			{
-				from_name = av_name.getCompleteName();
-			}
-		}
-
-		LLLogChat::saveHistory("chat", from_name, chat.mFromID, chat.mText);
-	}
-}
-
-void LLNearbyChat::onNearbySpeakers()
-{
-	LLSD param;
-	param["people_panel_tab_name"] = "nearby_panel";
-	LLFloaterSidePanelContainer::showPanel("people", "panel_people", param);
-}
-
-
-void	LLNearbyChat::onNearbyChatContextMenuItemClicked(const LLSD& userdata)
-{
-}
-bool	LLNearbyChat::onNearbyChatCheckContextMenuItem(const LLSD& userdata)
-{
-	std::string str = userdata.asString();
-	if(str == "nearby_people")
-		onNearbySpeakers();	
-	return false;
-}
-
-void LLNearbyChat::removeScreenChat()
-{
-	LLNotificationsUI::LLScreenChannelBase* chat_channel = LLNotificationsUI::LLChannelManager::getInstance()->findChannelByID(LLUUID(gSavedSettings.getString("NearByChatChannelUUID")));
-	if(chat_channel)
-	{
-		chat_channel->removeToastsFromChannel();
-	}
-}
-
-void	LLNearbyChat::setVisible(BOOL visible)
-{
-	if(visible)
-	{
-		removeScreenChat();
-	}
-
-	LLPanel::setVisible(visible);
-}
-
-
-void LLNearbyChat::getAllowedRect(LLRect& rect)
-{
-	rect = gViewerWindow->getWorldViewRectScaled();
-}
-
-void LLNearbyChat::updateChatHistoryStyle()
-{
-	mChatHistory->clear();
-
-	LLSD do_not_log;
-	do_not_log["do_not_log"] = true;
-	for(std::vector<LLChat>::iterator it = mMessageArchive.begin();it!=mMessageArchive.end();++it)
-	{
-		// Update the messages without re-writing them to a log file.
-		addMessage(*it,false, do_not_log);
-	}
-}
-
-//static 
-void LLNearbyChat::processChatHistoryStyleUpdate(const LLSD& newvalue)
-{
-	LLFloater* chat_bar = LLFloaterReg::getInstance("chat_bar");
-	LLNearbyChat* nearby_chat = chat_bar->findChild<LLNearbyChat>("nearby_chat");
-	if(nearby_chat)
-		nearby_chat->updateChatHistoryStyle();
-}
-
-bool isWordsName(const std::string& name)
-{
-	// checking to see if it's display name plus username in parentheses 
-	S32 open_paren = name.find(" (", 0);
-	S32 close_paren = name.find(')', 0);
-
-	if (open_paren != std::string::npos &&
-		close_paren == name.length()-1)
-	{
-		return true;
-	}
-	else
-	{
-		//checking for a single space
-		S32 pos = name.find(' ', 0);
-		return std::string::npos != pos && name.rfind(' ', name.length()) == pos && 0 != pos && name.length()-1 != pos;
-	}
-}
-
-void LLNearbyChat::loadHistory()
-{
-	LLSD do_not_log;
-	do_not_log["do_not_log"] = true;
-
-	std::list<LLSD> history;
-	LLLogChat::loadAllHistory("chat", history);
-
-	std::list<LLSD>::const_iterator it = history.begin();
-	while (it != history.end())
-	{
-		const LLSD& msg = *it;
-
-		std::string from = msg[IM_FROM];
-		LLUUID from_id;
-		if (msg[IM_FROM_ID].isDefined())
-		{
-			from_id = msg[IM_FROM_ID].asUUID();
-		}
-		else
- 		{
-			std::string legacy_name = gCacheName->buildLegacyName(from);
- 			gCacheName->getUUID(legacy_name, from_id);
- 		}
-
-		LLChat chat;
-		chat.mFromName = from;
-		chat.mFromID = from_id;
-		chat.mText = msg[IM_TEXT].asString();
-		chat.mTimeStr = msg[IM_TIME].asString();
-		chat.mChatStyle = CHAT_STYLE_HISTORY;
-
-		chat.mSourceType = CHAT_SOURCE_AGENT;
-		if (from_id.isNull() && SYSTEM_FROM == from)
-		{	
-			chat.mSourceType = CHAT_SOURCE_SYSTEM;
-			
-		}
-		else if (from_id.isNull())
-		{
-			chat.mSourceType = isWordsName(from) ? CHAT_SOURCE_UNKNOWN : CHAT_SOURCE_OBJECT;
-		}
-
-		addMessage(chat, true, do_not_log);
-
-		it++;
-	}
-}
-
-//static
-LLNearbyChat* LLNearbyChat::getInstance()
-{
-	LLFloater* chat_bar = LLFloaterReg::getInstance("chat_bar");
-	return chat_bar->findChild<LLNearbyChat>("nearby_chat");
-}
-
-////////////////////////////////////////////////////////////////////////////////
-//
-void LLNearbyChat::onFocusReceived()
-{
-	setBackgroundOpaque(true);
-	LLPanel::onFocusReceived();
-}
-
-////////////////////////////////////////////////////////////////////////////////
-//
-void LLNearbyChat::onFocusLost()
-{
-	setBackgroundOpaque(false);
-	LLPanel::onFocusLost();
-}
-
-BOOL	LLNearbyChat::handleMouseDown(S32 x, S32 y, MASK mask)
-{
-	//fix for EXT-6625
-	//highlight NearbyChat history whenever mouseclick happen in NearbyChat
-	//setting focus to eidtor will force onFocusLost() call that in its turn will change 
-	//background opaque. This all happenn since NearByChat is "chrome" and didn't process focus change.
-	
-	if(mChatHistory)
-		mChatHistory->setFocus(TRUE);
-	return LLPanel::handleMouseDown(x, y, mask);
-}
-
-void LLNearbyChat::draw()
-{
-	// *HACK: Update transparency type depending on whether our children have focus.
-	// This is needed because this floater is chrome and thus cannot accept focus, so
-	// the transparency type setting code from LLFloater::setFocus() isn't reached.
-	if (getTransparencyType() != TT_DEFAULT)
-	{
-		setTransparencyType(hasFocus() ? TT_ACTIVE : TT_INACTIVE);
-	}
-
-	LLPanel::draw();
-}
diff --git a/indra/newview/llnearbychat.h b/indra/newview/llnearbychat.h
deleted file mode 100644
index 7c5975cbc5..0000000000
--- a/indra/newview/llnearbychat.h
+++ /dev/null
@@ -1,83 +0,0 @@
- /** 
- * @file llnearbychat.h
- * @brief nearby chat history scrolling panel implementation
- *
- * $LicenseInfo:firstyear=2004&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#ifndef LL_LLNEARBYCHAT_H_
-#define LL_LLNEARBYCHAT_H_
-
-#include "llscrollbar.h"
-#include "llviewerchat.h"
-#include "llfloater.h"
-
-class LLResizeBar;
-class LLChatHistory;
-
-class LLNearbyChat: public LLPanel
-{
-public:
-	LLNearbyChat(const Params& p = LLPanel::getDefaultParams());
-
-	BOOL	postBuild			();
-
-	/** @param archive true - to save a message to the chat history log */
-	void	addMessage			(const LLChat& message,bool archive = true, const LLSD &args = LLSD());	
-	void	onNearbyChatContextMenuItemClicked(const LLSD& userdata);
-	bool	onNearbyChatCheckContextMenuItem(const LLSD& userdata);
-
-	virtual BOOL	handleMouseDown(S32 x, S32 y, MASK mask);
-	virtual void	draw();
-
-	// focus overrides
-	/*virtual*/ void	onFocusLost();
-	/*virtual*/ void	onFocusReceived();
-	
-	/*virtual*/ void	setVisible(BOOL visible);
-	
-	virtual void updateChatHistoryStyle();
-
-	static void processChatHistoryStyleUpdate(const LLSD& newvalue);
-
-	void loadHistory();
-
-	static LLNearbyChat* getInstance();
-	void removeScreenChat();
-
-private:
-
-	void	getAllowedRect		(LLRect& rect);
-
-	void	onNearbySpeakers	();
-
-
-private:
-	LLHandle<LLView>	mPopupMenuHandle;
-	LLChatHistory*		mChatHistory;
-
-	std::vector<LLChat> mMessageArchive;
-};
-
-#endif
-
-
diff --git a/indra/newview/llnotificationalerthandler.cpp b/indra/newview/llnotificationalerthandler.cpp
index 89fe7bb3c2..58a9b01a45 100644
--- a/indra/newview/llnotificationalerthandler.cpp
+++ b/indra/newview/llnotificationalerthandler.cpp
@@ -29,6 +29,7 @@
 
 #include "llnotificationhandler.h"
 
+#include "llagentcamera.h"
 #include "llnotifications.h"
 #include "llprogressview.h"
 #include "lltoastnotifypanel.h"
@@ -40,10 +41,10 @@
 using namespace LLNotificationsUI;
 
 //--------------------------------------------------------------------------
-LLAlertHandler::LLAlertHandler(e_notification_type type, const LLSD& id) : mIsModal(false)
+LLAlertHandler::LLAlertHandler(const std::string& name, const std::string& notification_type, bool is_modal) 
+:	LLSystemNotificationHandler(name, notification_type),
+	mIsModal(is_modal)
 {
-	mType = type;
-
 	LLScreenChannelBase::Params p;
 	p.id = LLUUID(gSavedSettings.getString("AlertChannelUUID"));
 	p.display_toasts_always = true;
@@ -68,79 +69,83 @@ void LLAlertHandler::initChannel()
 }
 
 //--------------------------------------------------------------------------
-bool LLAlertHandler::processNotification(const LLSD& notify)
+bool LLAlertHandler::processNotification(const LLNotificationPtr& notification)
 {
 	if(mChannel.isDead())
 	{
 		return false;
 	}
 
-	LLNotificationPtr notification = LLNotifications::instance().find(notify["id"].asUUID());
-
-	if(!notification)
-		return false;
-
 	// arrange a channel on a screen
 	if(!mChannel.get()->getVisible())
 	{
 		initChannel();
 	}
 
-	if (notify["sigtype"].asString() == "add" || notify["sigtype"].asString() == "load")
+	if (notification->canLogToIM() && notification->hasFormElements())
 	{
-		if (LLHandlerUtil::canSpawnSessionAndLogToIM(notification))
-		{
-			const std::string name = LLHandlerUtil::getSubstitutionName(notification);
-
-			LLUUID from_id = notification->getPayload()["from_id"];
-
-			// firstly create session...
-			LLHandlerUtil::spawnIMSession(name, from_id);
-
-			// ...then log message to have IM Well notified about new message
-			LLHandlerUtil::logToIMP2P(notification);
-		}
-
-		LLToastAlertPanel* alert_dialog = new LLToastAlertPanel(notification, mIsModal);
-		LLToast::Params p;
-		p.notif_id = notification->getID();
-		p.notification = notification;
-		p.panel = dynamic_cast<LLToastPanel*>(alert_dialog);
-		p.enable_hide_btn = false;
-		p.can_fade = false;
-		p.is_modal = mIsModal;
-		p.on_delete_toast = boost::bind(&LLAlertHandler::onDeleteToast, this, _1);
-
-		// Show alert in middle of progress view (during teleport) (EXT-1093)
-		LLProgressView* progress = gViewerWindow->getProgressView();
-		LLRect rc = progress && progress->getVisible() ? progress->getRect() : gViewerWindow->getWorldViewRectScaled();
-		mChannel.get()->updatePositionAndSize(rc);
-
-		LLScreenChannel* channel = dynamic_cast<LLScreenChannel*>(mChannel.get());
-		if(channel)
-			channel->addToast(p);
-	}
-	else if (notify["sigtype"].asString() == "change")
-	{
-		LLToastAlertPanel* alert_dialog = new LLToastAlertPanel(notification, mIsModal);
-		LLScreenChannel* channel = dynamic_cast<LLScreenChannel*>(mChannel.get());
-		if(channel)
-			channel->modifyToastByNotificationID(notification->getID(), (LLToastPanel*)alert_dialog);
-	}
-	else
-	{
-		LLScreenChannel* channel = dynamic_cast<LLScreenChannel*>(mChannel.get());
-		if(channel)
-			channel->killToastByNotificationID(notification->getID());
+		const std::string name = LLHandlerUtil::getSubstitutionName(notification);
+
+		LLUUID from_id = notification->getPayload()["from_id"];
+
+		// firstly create session...
+		LLHandlerUtil::spawnIMSession(name, from_id);
+
+		// ...then log message to have IM Well notified about new message
+		LLHandlerUtil::logToIMP2P(notification);
 	}
+
+	LLToastAlertPanel* alert_dialog = new LLToastAlertPanel(notification, mIsModal);
+	LLToast::Params p;
+	p.notif_id = notification->getID();
+	p.notification = notification;
+	p.panel = dynamic_cast<LLToastPanel*>(alert_dialog);
+	p.enable_hide_btn = false;
+	p.can_fade = false;
+	p.is_modal = mIsModal;
+	p.on_delete_toast = boost::bind(&LLAlertHandler::onDeleteToast, this, _1);
+
+	// Show alert in middle of progress view (during teleport) (EXT-1093)
+	LLProgressView* progress = gViewerWindow->getProgressView();
+	LLRect rc = progress && progress->getVisible() ? progress->getRect() : gViewerWindow->getWorldViewRectScaled();
+	mChannel.get()->updatePositionAndSize(rc);
+
+	LLScreenChannel* channel = dynamic_cast<LLScreenChannel*>(mChannel.get());
+	if(channel)
+		channel->addToast(p);
+	
 	return false;
 }
 
+void LLAlertHandler::onChange( LLNotificationPtr notification )
+{
+	LLToastAlertPanel* alert_dialog = new LLToastAlertPanel(notification, mIsModal);
+	LLScreenChannel* channel = dynamic_cast<LLScreenChannel*>(mChannel.get());
+	if(channel)
+		channel->modifyToastByNotificationID(notification->getID(), (LLToastPanel*)alert_dialog);
+}
+
 //--------------------------------------------------------------------------
+LLViewerAlertHandler::LLViewerAlertHandler(const std::string& name, const std::string& notification_type)
+	: LLSystemNotificationHandler(name, notification_type)
+{
+}
 
-void LLAlertHandler::onDeleteToast(LLToast* toast)
+bool LLViewerAlertHandler::processNotification(const LLNotificationPtr& p)
 {
+	if (gHeadlessClient)
+	{
+		LL_INFOS("LLViewerAlertHandler") << "Alert: " << p->getName() << LL_ENDL;
+	}
+
+	// If we're in mouselook, the mouse is hidden and so the user can't click 
+	// the dialog buttons.  In that case, change to First Person instead.
+	if( gAgentCamera.cameraMouselook() )
+	{
+		gAgentCamera.changeCameraToDefault();
+	}
+
+	return false;
 }
 
-//--------------------------------------------------------------------------
 
diff --git a/indra/newview/llnotificationgrouphandler.cpp b/indra/newview/llnotificationgrouphandler.cpp
index ad51389241..8fef102cf8 100644
--- a/indra/newview/llnotificationgrouphandler.cpp
+++ b/indra/newview/llnotificationgrouphandler.cpp
@@ -37,15 +37,13 @@
 using namespace LLNotificationsUI;
 
 //--------------------------------------------------------------------------
-LLGroupHandler::LLGroupHandler(e_notification_type type, const LLSD& id)
+LLGroupHandler::LLGroupHandler()
+:	LLCommunicationNotificationHandler("Group Notifications", "groupnotify")
 {
-	mType = type;
-
 	// Getting a Channel for our notifications
 	LLScreenChannel* channel = LLChannelManager::getInstance()->createNotificationChannel();
 	if(channel)
 	{
-		channel->setOnRejectToastCallback(boost::bind(&LLGroupHandler::onRejectToast, this, _1));
 		mChannel = channel->getHandle();
 	}
 }
@@ -64,72 +62,37 @@ void LLGroupHandler::initChannel()
 }
 
 //--------------------------------------------------------------------------
-bool LLGroupHandler::processNotification(const LLSD& notify)
+bool LLGroupHandler::processNotification(const LLNotificationPtr& notification)
 {
 	if(mChannel.isDead())
 	{
 		return false;
 	}
 
-	LLNotificationPtr notification = LLNotifications::instance().find(notify["id"].asUUID());
-
-	if(!notification)
-		return false;
-
 	// arrange a channel on a screen
 	if(!mChannel.get()->getVisible())
 	{
 		initChannel();
 	}
 	
-	if(notify["sigtype"].asString() == "add" || notify["sigtype"].asString() == "change")
-	{
-		LLHandlerUtil::logGroupNoticeToIMGroup(notification);
+	LLHandlerUtil::logGroupNoticeToIMGroup(notification);
 
-		LLPanel* notify_box = new LLToastGroupNotifyPanel(notification);
-		LLToast::Params p;
-		p.notif_id = notification->getID();
-		p.notification = notification;
-		p.panel = notify_box;
-		p.on_delete_toast = boost::bind(&LLGroupHandler::onDeleteToast, this, _1);
+	LLPanel* notify_box = new LLToastGroupNotifyPanel(notification);
+	LLToast::Params p;
+	p.notif_id = notification->getID();
+	p.notification = notification;
+	p.panel = notify_box;
+	p.on_delete_toast = boost::bind(&LLGroupHandler::onDeleteToast, this, _1);
 
-		LLScreenChannel* channel = dynamic_cast<LLScreenChannel*>(mChannel.get());
-		if(channel)
-			channel->addToast(p);
+	LLScreenChannel* channel = dynamic_cast<LLScreenChannel*>(mChannel.get());
+	if(channel)
+		channel->addToast(p);
 
-		// send a signal to the counter manager
-		mNewNotificationSignal();
+	LLGroupActions::refresh_notices();
 
-		LLGroupActions::refresh_notices();
-	}
-	else if (notify["sigtype"].asString() == "delete")
-	{
-		mChannel.get()->killToastByNotificationID(notification->getID());
-	}
 	return false;
 }
 
-//--------------------------------------------------------------------------
-void LLGroupHandler::onDeleteToast(LLToast* toast)
-{
-	// send a signal to the counter manager
-	mDelNotificationSignal();
-
-	// send a signal to a listener to let him perform some action
-	// in this case listener is a SysWellWindow and it will remove a corresponding item from its list
-	mNotificationIDSignal(toast->getNotificationID());
-}
-
-//--------------------------------------------------------------------------
-void LLGroupHandler::onRejectToast(LLUUID& id)
-{
-	LLNotificationPtr notification = LLNotifications::instance().find(id);
-
-	if (notification && LLNotificationManager::getInstance()->getHandlerForNotification(notification->getType()) == this)
-	{
-		LLNotifications::instance().cancel(notification);
-	}
-}
 
 //--------------------------------------------------------------------------
 
diff --git a/indra/newview/llnotificationhandler.h b/indra/newview/llnotificationhandler.h
index 3569ad6447..bff4efa9ea 100644
--- a/indra/newview/llnotificationhandler.h
+++ b/indra/newview/llnotificationhandler.h
@@ -27,33 +27,20 @@
 #ifndef LL_LLNOTIFICATIONHANDLER_H
 #define LL_LLNOTIFICATIONHANDLER_H
 
+#include <boost/intrusive_ptr.hpp>
 
 #include "llwindow.h"
 
-//#include "llnotificationsutil.h"
+#include "llnotifications.h"
 #include "llchannelmanager.h"
 #include "llchat.h"
 #include "llinstantmessage.h"
 #include "llnotificationptr.h"
 
-class LLIMFloater;
+class LLFloaterIMSession;
 
 namespace LLNotificationsUI
 {
-// ENotificationType enumerates all possible types of notifications that could be met
-// 
-typedef enum e_notification_type
-{
-	NT_NOTIFY, 
-	NT_NOTIFYTIP,
-	NT_GROUPNOTIFY,
-	NT_IMCHAT, 
-	NT_GROUPCHAT, 
-	NT_NEARBYCHAT, 
-	NT_ALERT,
-	NT_ALERTMODAL,
-	NT_OFFER
-} ENotificationType;
 
 /**
  * Handler of notification events.
@@ -81,21 +68,8 @@ class LLEventHandler
 public:
 	virtual ~LLEventHandler() {};
 
-	// callbacks for counters
-	typedef boost::function<void (void)> notification_callback_t;
-	typedef boost::signals2::signal<void (void)> notification_signal_t;
-	notification_signal_t mNewNotificationSignal;
-	notification_signal_t mDelNotificationSignal;
-	boost::signals2::connection setNewNotificationCallback(notification_callback_t cb) { return mNewNotificationSignal.connect(cb); }
-	boost::signals2::connection setDelNotification(notification_callback_t cb) { return mDelNotificationSignal.connect(cb); }
-	// callback for notification/toast
-	typedef boost::function<void (const LLUUID id)> notification_id_callback_t;
-	typedef boost::signals2::signal<void (const LLUUID id)> notification_id_signal_t;
-	notification_id_signal_t mNotificationIDSignal;
-	boost::signals2::connection setNotificationIDCallback(notification_id_callback_t cb) { return mNotificationIDSignal.connect(cb); }
-
 protected:
-	virtual void onDeleteToast(LLToast* toast)=0;
+	virtual void onDeleteToast(LLToast* toast) {}
 
 	// arrange handler's channel on a screen
 	// is necessary to unbind a moment of creation of a channel and a moment of positioning of it
@@ -104,8 +78,6 @@ protected:
 	virtual void initChannel()=0;
 
 	LLHandle<LLScreenChannelBase>	mChannel;
-	e_notification_type				mType;
-
 };
 
 // LLSysHandler and LLChatHandler are more specific base classes
@@ -115,24 +87,37 @@ protected:
 /**
  * Handler for system notifications.
  */
-class LLSysHandler : public LLEventHandler
+class LLNotificationHandler : public LLEventHandler, public LLNotificationChannel
 {
 public:
-	LLSysHandler();
-	virtual ~LLSysHandler() {};
+	LLNotificationHandler(const std::string& name, const std::string& notification_type, const std::string& parentName);
+	virtual ~LLNotificationHandler() {};
 
-	virtual bool processNotification(const LLSD& notify)=0;
+	// base interface functions
+	virtual void onAdd(LLNotificationPtr p) { processNotification(p); }
+	virtual void onChange(LLNotificationPtr p) { processNotification(p); }
+	virtual void onLoad(LLNotificationPtr p) { processNotification(p); }
+	virtual void onDelete(LLNotificationPtr p) { if (mChannel.get()) mChannel.get()->removeToastByNotificationID(p->getID());}
 
-protected :
-	static void init();
-	void removeExclusiveNotifications(const LLNotificationPtr& notif);
+	virtual bool processNotification(const LLNotificationPtr& notify) = 0;
+};
 
-	typedef std::list< std::set<std::string> > exclusive_notif_sets;
-	static exclusive_notif_sets sExclusiveNotificationGroups;
+class LLSystemNotificationHandler : public LLNotificationHandler
+{
+public:
+	LLSystemNotificationHandler(const std::string& name, const std::string& notification_type);
+	virtual ~LLSystemNotificationHandler() {};
+};
+
+class LLCommunicationNotificationHandler : public LLNotificationHandler
+{
+public:
+	LLCommunicationNotificationHandler(const std::string& name, const std::string& notification_type);
+	virtual ~LLCommunicationNotificationHandler() {};
 };
 
 /**
- * Handler for chat message notifications.
+ * Handler for chat message notifications. 
  */
 class LLChatHandler : public LLEventHandler
 {
@@ -146,17 +131,14 @@ public:
  * Handler for IM notifications.
  * It manages life time of IMs, group messages.
  */
-class LLIMHandler : public LLSysHandler
+class LLIMHandler : public LLCommunicationNotificationHandler
 {
 public:
-	LLIMHandler(e_notification_type type, const LLSD& id);
+	LLIMHandler();
 	virtual ~LLIMHandler();
-
-	// base interface functions
-	virtual bool processNotification(const LLSD& notify);
+	bool processNotification(const LLNotificationPtr& p);
 
 protected:
-	virtual void onDeleteToast(LLToast* toast);
 	virtual void initChannel();
 };
 
@@ -164,18 +146,15 @@ protected:
  * Handler for system informational notices.
  * It manages life time of tip notices.
  */
-class LLTipHandler : public LLSysHandler
+class LLTipHandler : public LLSystemNotificationHandler
 {
 public:
-	LLTipHandler(e_notification_type type, const LLSD& id);
+	LLTipHandler();
 	virtual ~LLTipHandler();
 
-	// base interface functions
-	virtual bool processNotification(const LLSD& notify);
+	virtual bool processNotification(const LLNotificationPtr& p);
 
 protected:
-	virtual void onDeleteToast(LLToast* toast);
-	virtual void onRejectToast(const LLUUID& id);
 	virtual void initChannel();
 };
 
@@ -183,168 +162,144 @@ protected:
  * Handler for system informational notices.
  * It manages life time of script notices.
  */
-class LLScriptHandler : public LLSysHandler
+class LLScriptHandler : public LLSystemNotificationHandler
 {
 public:
-	LLScriptHandler(e_notification_type type, const LLSD& id);
+	LLScriptHandler();
 	virtual ~LLScriptHandler();
 
-	// base interface functions
-	virtual bool processNotification(const LLSD& notify);
+	virtual void onDelete(LLNotificationPtr p);
+	virtual bool processNotification(const LLNotificationPtr& p);
 
 protected:
 	virtual void onDeleteToast(LLToast* toast);
 	virtual void initChannel();
-
-	// own handlers
-	void onRejectToast(LLUUID& id);
 };
 
 
 /**
  * Handler for group system notices.
  */
-class LLGroupHandler : public LLSysHandler
+class LLGroupHandler : public LLCommunicationNotificationHandler
 {
 public:
-	LLGroupHandler(e_notification_type type, const LLSD& id);
+	LLGroupHandler();
 	virtual ~LLGroupHandler();
 	
-	// base interface functions
-	virtual bool processNotification(const LLSD& notify);
+	virtual bool processNotification(const LLNotificationPtr& p);
 
 protected:
-	virtual void onDeleteToast(LLToast* toast);
 	virtual void initChannel();
-
-	// own handlers
-	void onRejectToast(LLUUID& id);
 };
 
 /**
  * Handler for alert system notices.
  */
-class LLAlertHandler : public LLSysHandler
+class LLAlertHandler : public LLSystemNotificationHandler
 {
 public:
-	LLAlertHandler(e_notification_type type, const LLSD& id);
+	LLAlertHandler(const std::string& name, const std::string& notification_type, bool is_modal);
 	virtual ~LLAlertHandler();
 
-	void setAlertMode(bool is_modal) { mIsModal = is_modal; }
-
-	// base interface functions
-	virtual bool processNotification(const LLSD& notify);
+	virtual void onChange(LLNotificationPtr p);
+	virtual bool processNotification(const LLNotificationPtr& p);
 
 protected:
-	virtual void onDeleteToast(LLToast* toast);
 	virtual void initChannel();
 
 	bool	mIsModal;
 };
 
+class LLViewerAlertHandler  : public LLSystemNotificationHandler
+{
+	LOG_CLASS(LLViewerAlertHandler);
+public:
+	LLViewerAlertHandler(const std::string& name, const std::string& notification_type);
+	virtual ~LLViewerAlertHandler() {};
+
+	virtual void onDelete(LLNotificationPtr p) {};
+	virtual bool processNotification(const LLNotificationPtr& p);
+
+protected:
+	virtual void initChannel() {};
+};
+
 /**
  * Handler for offers notices.
  * It manages life time of offer notices.
  */
-class LLOfferHandler : public LLSysHandler
+class LLOfferHandler : public LLCommunicationNotificationHandler
 {
 public:
-	LLOfferHandler(e_notification_type type, const LLSD& id);
+	LLOfferHandler();
 	virtual ~LLOfferHandler();
 
-	// base interface functions
-	virtual bool processNotification(const LLSD& notify);
+	virtual void onChange(LLNotificationPtr p);
+	virtual void onDelete(LLNotificationPtr notification);
+	virtual bool processNotification(const LLNotificationPtr& p);
 
 protected:
-	virtual void onDeleteToast(LLToast* toast);
 	virtual void initChannel();
-
-	// own handlers
-	void onRejectToast(LLUUID& id);
 };
 
 /**
  * Handler for UI hints.
  */
-class LLHintHandler : public LLSingleton<LLHintHandler>
+class LLHintHandler : public LLSystemNotificationHandler
 {
 public:
 	LLHintHandler();
-	virtual ~LLHintHandler();
+	virtual ~LLHintHandler() {}
 
-	// base interface functions
-	virtual bool processNotification(const LLSD& notify);
+	virtual void onAdd(LLNotificationPtr p);
+	virtual void onLoad(LLNotificationPtr p);
+	virtual void onDelete(LLNotificationPtr p);
+	virtual bool processNotification(const LLNotificationPtr& p);
+
+protected:
+	virtual void initChannel() {};
 };
 
 /**
  * Handler for browser notifications
  */
-class LLBrowserNotification : public LLSingleton<LLBrowserNotification>
+class LLBrowserNotification : public LLSystemNotificationHandler
 {
 public:
-	virtual bool processNotification(const LLSD& notify);
+	LLBrowserNotification();
+	virtual ~LLBrowserNotification() {}
+
+	virtual bool processNotification(const LLNotificationPtr& p);
+
+protected:
+	virtual void initChannel() {};
 };
 	
 /**
  * Handler for outbox notifications
  */
-class LLOutboxNotification : public LLSingleton<LLOutboxNotification>
+class LLOutboxNotification : public LLSystemNotificationHandler
 {
 public:
-	virtual bool processNotification(const LLSD& notify);
+	LLOutboxNotification();
+	virtual ~LLOutboxNotification() {};
+	virtual void onChange(LLNotificationPtr p) { }
+	virtual void onDelete(LLNotificationPtr p);
+	virtual bool processNotification(const LLNotificationPtr& p);
+
+protected:
+	virtual void initChannel() {};
 };
 	
 class LLHandlerUtil
 {
 public:
 	/**
-	 * Checks sufficient conditions to log notification message to IM session.
-	 */
-	static bool canLogToIM(const LLNotificationPtr& notification);
-
-	/**
-	 * Checks sufficient conditions to log notification message to nearby chat session.
-	 */
-	static bool canLogToNearbyChat(const LLNotificationPtr& notification);
-
-	/**
-	 * Checks sufficient conditions to spawn IM session.
-	 */
-	static bool canSpawnIMSession(const LLNotificationPtr& notification);
-
-	/**
-	 * Checks sufficient conditions to add notification toast panel IM floater.
-	 */
-	static bool canAddNotifPanelToIM(const LLNotificationPtr& notification);
-
-	/**
-	 * Checks whether notification can be used multiple times or not.
-	 */
-	static bool isNotificationReusable(const LLNotificationPtr& notification);
-
-	/**
-	 * Checks if passed notification can create IM session and be written into it.
-	 *
-	 * This method uses canLogToIM() & canSpawnIMSession().
-	 */
-	static bool canSpawnSessionAndLogToIM(const LLNotificationPtr& notification);
-
-	/**
-	 * Checks if passed notification can create toast.
-	 */
-	static bool canSpawnToast(const LLNotificationPtr& notification);
-
-	/**
 	 * Determines whether IM floater is opened.
 	 */
 	static bool isIMFloaterOpened(const LLNotificationPtr& notification);
 
 	/**
-	* Determines whether IM floater is focused.
-	*/
-	static bool isIMFloaterFocused(const LLNotificationPtr& notification);
-
-	/**
 	 * Writes notification message to IM session.
 	 */
 	static void logToIM(const EInstantMessage& session_type,
@@ -355,12 +310,7 @@ public:
 	/**
 	 * Writes notification message to IM  p2p session.
 	 */
-	static void logToIMP2P(const LLNotificationPtr& notification);
-
-	/**
-	 * Writes notification message to IM  p2p session.
-	 */
-	static void logToIMP2P(const LLNotificationPtr& notification, bool to_file_only);
+	static void logToIMP2P(const LLNotificationPtr& notification, bool to_file_only = false);
 
 	/**
 	 * Writes group notice notification message to IM  group session.
@@ -406,13 +356,6 @@ public:
 	 */
 	static void decIMMesageCounter(const LLNotificationPtr& notification);
 
-private:
-
-	/**
-	 * Find IM floater based on "from_id"
-	 */
-	static LLIMFloater* findIMFloater(const LLNotificationPtr& notification);
-
 };
 
 }
diff --git a/indra/newview/llnotificationhandlerutil.cpp b/indra/newview/llnotificationhandlerutil.cpp
index 16c51138a9..f0175d677c 100644
--- a/indra/newview/llnotificationhandlerutil.cpp
+++ b/indra/newview/llnotificationhandlerutil.cpp
@@ -34,219 +34,34 @@
 #include "llurlaction.h"
 
 #include "llagent.h"
-#include "llimfloater.h"
+#include "llfloaterimsession.h"
 #include "llimview.h"
-#include "llnearbychat.h"
+#include "llfloaterimnearbychat.h"
 #include "llnotificationhandler.h"
 
 using namespace LLNotificationsUI;
 
-// static
-std::list< std::set<std::string> > LLSysHandler::sExclusiveNotificationGroups;
-
-// static
-void LLSysHandler::init()
-{
-	std::set<std::string> online_offline_group;
-	online_offline_group.insert("FriendOnline");
-	online_offline_group.insert("FriendOffline");
+LLNotificationHandler::LLNotificationHandler(const std::string& name, const std::string& notification_type, const std::string& parentName)
+:	LLNotificationChannel(name, parentName, LLNotificationFilters::filterBy<std::string>(&LLNotification::getType, notification_type))
+{}
 
-	sExclusiveNotificationGroups.push_back(online_offline_group);
-}
-
-LLSysHandler::LLSysHandler()
-{
-	if(sExclusiveNotificationGroups.empty())
-	{
-		init();
-	}
-}
+LLSystemNotificationHandler::LLSystemNotificationHandler(const std::string& name, const std::string& notification_type)
+	: LLNotificationHandler(name, notification_type, "System")
+{}
 
-void LLSysHandler::removeExclusiveNotifications(const LLNotificationPtr& notif)
-{
-	LLScreenChannel* channel = dynamic_cast<LLScreenChannel *>(mChannel.get());
-	if (channel == NULL)
-	{
-		return;
-	}
-
-	class ExclusiveMatcher: public LLScreenChannel::Matcher
-	{
-	public:
-		ExclusiveMatcher(const std::set<std::string>& excl_group,
-				const std::string& from_name) :
-			mExclGroup(excl_group), mFromName(from_name)
-		{
-		}
-		bool matches(const LLNotificationPtr notification) const
-		{
-			for (std::set<std::string>::const_iterator it = mExclGroup.begin(); it
-					!= mExclGroup.end(); it++)
-			{
-				std::string from_name = LLHandlerUtil::getSubstitutionName(notification);
-				if (notification->getName() == *it && from_name == mFromName)
-				{
-					return true;
-				}
-			}
-			return false;
-		}
-	private:
-		const std::set<std::string>& mExclGroup;
-		const std::string& mFromName;
-	};
-
-
-	for (exclusive_notif_sets::iterator it = sExclusiveNotificationGroups.begin(); it
-			!= sExclusiveNotificationGroups.end(); it++)
-	{
-		std::set<std::string> group = *it;
-		std::set<std::string>::iterator g_it = group.find(notif->getName());
-		if (g_it != group.end())
-		{
-			channel->killMatchedToasts(ExclusiveMatcher(group,
-					LLHandlerUtil::getSubstitutionName(notif)));
-		}
-	}
-}
-
-const static std::string GRANTED_MODIFY_RIGHTS("GrantedModifyRights"),
-		REVOKED_MODIFY_RIGHTS("RevokedModifyRights"),
-		OBJECT_GIVE_ITEM("ObjectGiveItem"),
-		OBJECT_GIVE_ITEM_UNKNOWN_USER("ObjectGiveItemUnknownUser"),
-						PAYMENT_RECEIVED("PaymentReceived"),
-						PAYMENT_SENT("PaymentSent"),
-						ADD_FRIEND_WITH_MESSAGE("AddFriendWithMessage"),
-						USER_GIVE_ITEM("UserGiveItem"),
-						INVENTORY_ACCEPTED("InventoryAccepted"),
-						INVENTORY_DECLINED("InventoryDeclined"),
-						OFFER_FRIENDSHIP("OfferFriendship"),
-						FRIENDSHIP_ACCEPTED("FriendshipAccepted"),
-						FRIENDSHIP_OFFERED("FriendshipOffered"),
-						FRIENDSHIP_ACCEPTED_BYME("FriendshipAcceptedByMe"),
-						FRIENDSHIP_DECLINED_BYME("FriendshipDeclinedByMe"),
-						FRIEND_ONLINE("FriendOnline"), FRIEND_OFFLINE("FriendOffline"),
-						SERVER_OBJECT_MESSAGE("ServerObjectMessage"),
-						TELEPORT_OFFERED("TeleportOffered"),
-						TELEPORT_OFFERED_MATURITY_EXCEEDED("TeleportOffered_MaturityExceeded"),
-						TELEPORT_OFFERED_MATURITY_BLOCKED("TeleportOffered_MaturityBlocked"),
-						TELEPORT_OFFER_SENT("TeleportOfferSent"),
-						IM_SYSTEM_MESSAGE_TIP("IMSystemMessageTip");
-
-
-// static
-bool LLHandlerUtil::canLogToIM(const LLNotificationPtr& notification)
-{
-	return GRANTED_MODIFY_RIGHTS == notification->getName()
-			|| REVOKED_MODIFY_RIGHTS == notification->getName()
-			|| PAYMENT_RECEIVED == notification->getName()
-			|| PAYMENT_SENT == notification->getName()
-			|| OFFER_FRIENDSHIP == notification->getName()
-			|| FRIENDSHIP_OFFERED == notification->getName()
-			|| FRIENDSHIP_ACCEPTED == notification->getName()
-			|| FRIENDSHIP_ACCEPTED_BYME == notification->getName()
-			|| FRIENDSHIP_DECLINED_BYME == notification->getName()
-			|| SERVER_OBJECT_MESSAGE == notification->getName()
-			|| INVENTORY_ACCEPTED == notification->getName()
-			|| INVENTORY_DECLINED == notification->getName()
-			|| USER_GIVE_ITEM == notification->getName()
-			|| TELEPORT_OFFERED == notification->getName()
-			|| TELEPORT_OFFERED_MATURITY_EXCEEDED == notification->getName()
-			|| TELEPORT_OFFERED_MATURITY_BLOCKED == notification->getName()
-			|| TELEPORT_OFFER_SENT == notification->getName()
-			|| IM_SYSTEM_MESSAGE_TIP == notification->getName();
-}
-
-// static
-bool LLHandlerUtil::canLogToNearbyChat(const LLNotificationPtr& notification)
-{
-	return notification->getType() == "notifytip"
-			&&  FRIEND_ONLINE != notification->getName()
-			&& FRIEND_OFFLINE != notification->getName()
-			&& INVENTORY_ACCEPTED != notification->getName()
-			&& INVENTORY_DECLINED != notification->getName()
-			&& IM_SYSTEM_MESSAGE_TIP != notification->getName();
-}
-
-// static
-bool LLHandlerUtil::canSpawnIMSession(const LLNotificationPtr& notification)
-{
-	return OFFER_FRIENDSHIP == notification->getName()
-			|| USER_GIVE_ITEM == notification->getName()
-			|| TELEPORT_OFFERED == notification->getName()
-			|| TELEPORT_OFFERED_MATURITY_EXCEEDED == notification->getName()
-			|| TELEPORT_OFFERED_MATURITY_BLOCKED == notification->getName();
-}
-
-// static
-bool LLHandlerUtil::canAddNotifPanelToIM(const LLNotificationPtr& notification)
-{
-	return OFFER_FRIENDSHIP == notification->getName()
-					|| USER_GIVE_ITEM == notification->getName()
-					|| TELEPORT_OFFERED == notification->getName()
-					|| TELEPORT_OFFERED_MATURITY_EXCEEDED == notification->getName()
-					|| TELEPORT_OFFERED_MATURITY_BLOCKED == notification->getName();
-}
-
-// static
-bool LLHandlerUtil::isNotificationReusable(const LLNotificationPtr& notification)
-{
-	return OFFER_FRIENDSHIP == notification->getName()
-		|| USER_GIVE_ITEM == notification->getName()
-		|| TELEPORT_OFFERED == notification->getName()
-		|| TELEPORT_OFFERED_MATURITY_EXCEEDED == notification->getName()
-		|| TELEPORT_OFFERED_MATURITY_BLOCKED == notification->getName();
-}
-
-// static
-bool LLHandlerUtil::canSpawnSessionAndLogToIM(const LLNotificationPtr& notification)
-{
-	return canLogToIM(notification) && canSpawnIMSession(notification);
-}
+LLCommunicationNotificationHandler::LLCommunicationNotificationHandler(const std::string& name, const std::string& notification_type)
+	: LLNotificationHandler(name, notification_type, "Communication")
+{}
 
 // static
-bool LLHandlerUtil::canSpawnToast(const LLNotificationPtr& notification)
+bool LLHandlerUtil::isIMFloaterOpened(const LLNotificationPtr& notification)
 {
-	if(INVENTORY_DECLINED == notification->getName() 
-		|| INVENTORY_ACCEPTED == notification->getName())
-	{
-		// return false for inventory accepted/declined notifications if respective IM window is open (EXT-5909)
-		return ! isIMFloaterOpened(notification);
-	}
-
-	if(FRIENDSHIP_ACCEPTED == notification->getName())
-	{
-		// don't show FRIENDSHIP_ACCEPTED if IM window is opened and focused - EXT-6441
-		return ! isIMFloaterFocused(notification);
-	}
-
-	if(OFFER_FRIENDSHIP == notification->getName()
-		|| USER_GIVE_ITEM == notification->getName()
-		|| TELEPORT_OFFERED == notification->getName()
-		|| TELEPORT_OFFERED_MATURITY_EXCEEDED == notification->getName()
-		|| TELEPORT_OFFERED_MATURITY_BLOCKED == notification->getName())
-	{
-		// When ANY offer arrives, show toast, unless IM window is already open - EXT-5904
-		return ! isIMFloaterOpened(notification);
-	}
-
-	return true;
-}
+	bool res = false;
 
-// static
-LLIMFloater* LLHandlerUtil::findIMFloater(const LLNotificationPtr& notification)
-{
 	LLUUID from_id = notification->getPayload()["from_id"];
 	LLUUID session_id = LLIMMgr::computeSessionID(IM_NOTHING_SPECIAL, from_id);
-	return LLFloaterReg::findTypedInstance<LLIMFloater>("impanel", session_id);
-}
-
-// static
-bool LLHandlerUtil::isIMFloaterOpened(const LLNotificationPtr& notification)
-{
-	bool res = false;
+	LLFloaterIMSession* im_floater = LLFloaterReg::findTypedInstance<LLFloaterIMSession>("impanel", session_id);
 
-	LLIMFloater* im_floater = findIMFloater(notification);
 	if (im_floater != NULL)
 	{
 		res = im_floater->getVisible() == TRUE;
@@ -255,19 +70,6 @@ bool LLHandlerUtil::isIMFloaterOpened(const LLNotificationPtr& notification)
 	return res;
 }
 
-bool LLHandlerUtil::isIMFloaterFocused(const LLNotificationPtr& notification)
-{
-	bool res = false;
-
-	LLIMFloater* im_floater = findIMFloater(notification);
-	if (im_floater != NULL)
-	{
-		res = im_floater->hasFocus() == TRUE;
-	}
-
-	return res;
-}
-
 // static
 void LLHandlerUtil::logToIM(const EInstantMessage& session_type,
 		const std::string& session_name, const std::string& from_name,
@@ -299,13 +101,6 @@ void LLHandlerUtil::logToIM(const EInstantMessage& session_type,
 	}
 	else
 	{
-		// store active session id
-		const LLUUID & active_session_id =
-				LLIMModel::instance().getActiveSessionID();
-
-		// set searched session as active to avoid IM toast popup
-		LLIMModel::instance().setActiveSessionID(session_id);
-
 		S32 unread = session->mNumUnread;
 		S32 participant_unread = session->mParticipantUnreadMessageCount;
 		LLIMModel::instance().addMessageSilently(session_id, from, from_id,
@@ -316,25 +111,9 @@ void LLHandlerUtil::logToIM(const EInstantMessage& session_type,
 
 		// update IM floater messages
 		updateIMFLoaterMesages(session_id);
-
-		// restore active session id
-		if (active_session_id.isNull())
-		{
-			LLIMModel::instance().resetActiveSessionID();
-		}
-		else
-		{
-			LLIMModel::instance().setActiveSessionID(active_session_id);
-		}
 	}
 }
 
-// static
-void LLHandlerUtil::logToIMP2P(const LLNotificationPtr& notification)
-{
-	logToIMP2P(notification, false);
-}
-
 void log_name_callback(const std::string& full_name, const std::string& from_name, 
 					   const std::string& message, const LLUUID& from_id)
 
@@ -346,9 +125,6 @@ void log_name_callback(const std::string& full_name, const std::string& from_nam
 // static
 void LLHandlerUtil::logToIMP2P(const LLNotificationPtr& notification, bool to_file_only)
 {
-	// don't create IM p2p session with objects, it's necessary condition to log
-	if (notification->getName() != OBJECT_GIVE_ITEM)
-	{
 		LLUUID from_id = notification->getPayload()["from_id"];
 
 		if (from_id.isNull())
@@ -366,7 +142,6 @@ void LLHandlerUtil::logToIMP2P(const LLNotificationPtr& notification, bool to_fi
 			gCacheName->get(from_id, false, boost::bind(&log_name_callback, _2, INTERACTIVE_SYSTEM_FROM, notification->getMessage(), from_id));
 		}
 	}
-}
 
 // static
 void LLHandlerUtil::logGroupNoticeToIMGroup(
@@ -397,8 +172,8 @@ void LLHandlerUtil::logGroupNoticeToIMGroup(
 // static
 void LLHandlerUtil::logToNearbyChat(const LLNotificationPtr& notification, EChatSourceType type)
 {
-	LLNearbyChat* nearby_chat = LLNearbyChat::getInstance();
-	if(nearby_chat)
+    LLFloaterIMNearbyChat* nearby_chat = LLFloaterReg::findTypedInstance<LLFloaterIMNearbyChat>("nearby_chat");
+	if (nearby_chat)
 	{
 		LLChat chat_msg(notification->getMessage());
 		chat_msg.mSourceType = type;
@@ -477,7 +252,7 @@ void LLHandlerUtil::addNotifPanelToIM(const LLNotificationPtr& notification)
 // static
 void LLHandlerUtil::updateIMFLoaterMesages(const LLUUID& session_id)
 {
-	LLIMFloater* im_floater = LLIMFloater::findInstance(session_id);
+	LLFloaterIMSession* im_floater = LLFloaterIMSession::findInstance(session_id);
 	if (im_floater != NULL && im_floater->getVisible())
 	{
 		im_floater->updateMessages();
@@ -501,14 +276,10 @@ void LLHandlerUtil::decIMMesageCounter(const LLNotificationPtr& notification)
 	LLUUID from_id = notification->getPayload()["from_id"];
 	LLUUID session_id = LLIMMgr::computeSessionID(IM_NOTHING_SPECIAL, from_id);
 
-	LLIMModel::LLIMSession * session = LLIMModel::getInstance()->findIMSession(
-			session_id);
+	LLIMModel::LLIMSession * session = LLIMModel::getInstance()->findIMSession(session_id);
 
-	if (session == NULL)
+	if (session)
 	{
-		return;
-	}
-
 	LLSD arg;
 	arg["session_id"] = session_id;
 	session->mNumUnread--;
@@ -517,3 +288,5 @@ void LLHandlerUtil::decIMMesageCounter(const LLNotificationPtr& notification)
 	arg["participant_unread"] = session->mParticipantUnreadMessageCount;
 	LLIMModel::getInstance()->mNewMsgSignal(arg);
 }
+}
+
diff --git a/indra/newview/llnotificationhinthandler.cpp b/indra/newview/llnotificationhinthandler.cpp
index f7163cb04f..f40369a2e0 100644
--- a/indra/newview/llnotificationhinthandler.cpp
+++ b/indra/newview/llnotificationhinthandler.cpp
@@ -34,25 +34,26 @@
 using namespace LLNotificationsUI;
 
 LLHintHandler::LLHintHandler()
+	: LLSystemNotificationHandler("Hints", "hint")
 {
 }
 
-LLHintHandler::~LLHintHandler()
+void LLHintHandler::onAdd(LLNotificationPtr p)
 {
+	LLHints::show(p);
 }
 
-bool LLHintHandler::processNotification(const LLSD& notify)
+void LLHintHandler::onLoad(LLNotificationPtr p)
+{
+	LLHints::show(p);
+}
+
+void LLHintHandler::onDelete(LLNotificationPtr p)
+{
+	LLHints::hide(p);
+}
+
+bool LLHintHandler::processNotification(const LLNotificationPtr& p)
 {
-	LLNotificationPtr notification = LLNotifications::instance().find(notify["id"].asUUID());
-
-	std::string sigtype = notify["sigtype"].asString();
-	if (sigtype == "add" || sigtype == "load")
-	{
-		LLHints::show(notification);
-	}
-	else if (sigtype == "delete")
-	{
-		LLHints::hide(notification);
-	}
 	return false;
 }
diff --git a/indra/newview/llnotificationmanager.cpp b/indra/newview/llnotificationmanager.cpp
index 3d8150eed3..152581c5a0 100644
--- a/indra/newview/llnotificationmanager.cpp
+++ b/indra/newview/llnotificationmanager.cpp
@@ -31,7 +31,7 @@
 
 #include "llnotificationmanager.h"
 
-#include "llnearbychathandler.h"
+#include "llfloaterimnearbychathandler.h"
 #include "llnotifications.h"
 
 #include <boost/bind.hpp>
@@ -42,114 +42,35 @@ using namespace LLNotificationsUI;
 //--------------------------------------------------------------------------
 LLNotificationManager::LLNotificationManager()
 {
-	mNotifyHandlers.clear();
 	init();
 }
 
 //--------------------------------------------------------------------------
 LLNotificationManager::~LLNotificationManager()
 {
-	BOOST_FOREACH(listener_pair_t& pair, mChannelListeners)
-	{
-		pair.second.disconnect();
-	}
 }
 
 //--------------------------------------------------------------------------
 void LLNotificationManager::init()
 {
-	LLNotificationChannel::buildChannel("Notifications", "Visible", LLNotificationFilters::filterBy<std::string>(&LLNotification::getType, "notify"));
-	LLNotificationChannel::buildChannel("NotificationTips", "Visible", LLNotificationFilters::filterBy<std::string>(&LLNotification::getType, "notifytip"));
-	LLNotificationChannel::buildChannel("Group Notifications", "Visible", LLNotificationFilters::filterBy<std::string>(&LLNotification::getType, "groupnotify"));
-	LLNotificationChannel::buildChannel("Alerts", "Visible", LLNotificationFilters::filterBy<std::string>(&LLNotification::getType, "alert"));
-	LLNotificationChannel::buildChannel("AlertModal", "Visible", LLNotificationFilters::filterBy<std::string>(&LLNotification::getType, "alertmodal"));
-	LLNotificationChannel::buildChannel("IM Notifications", "Visible", LLNotificationFilters::filterBy<std::string>(&LLNotification::getType, "notifytoast"));
-	LLNotificationChannel::buildChannel("Offer", "Visible", LLNotificationFilters::filterBy<std::string>(&LLNotification::getType, "offer"));
-	LLNotificationChannel::buildChannel("Hints", "Visible", LLNotificationFilters::filterBy<std::string>(&LLNotification::getType, "hint"));
-	LLNotificationChannel::buildChannel("Browser", "Visible", LLNotificationFilters::filterBy<std::string>(&LLNotification::getType, "browser"));
-	LLNotificationChannel::buildChannel("Outbox", "Visible", LLNotificationFilters::filterBy<std::string>(&LLNotification::getType, "outbox"));
+	mChannels.push_back(new LLScriptHandler());
+	mChannels.push_back(new LLTipHandler());
+	mChannels.push_back(new LLGroupHandler());
+	mChannels.push_back(new LLAlertHandler("Alerts", "alert", false));
+	mChannels.push_back(new LLAlertHandler("AlertModal", "alertmodal", true));
+	mChannels.push_back(new LLOfferHandler());
+	mChannels.push_back(new LLHintHandler());
+	mChannels.push_back(new LLBrowserNotification());
+	mChannels.push_back(new LLOutboxNotification());
+	mChannels.push_back(new LLIMHandler());
   
-	mChannelListeners["Notifications"] = LLNotifications::instance().getChannel("Notifications")->connectChanged(boost::bind(&LLNotificationManager::onNotification, this, _1));
-	mChannelListeners["NotificationTips"] = LLNotifications::instance().getChannel("NotificationTips")->connectChanged(boost::bind(&LLNotificationManager::onNotification, this, _1));
-	mChannelListeners["Group Notifications"] = LLNotifications::instance().getChannel("Group Notifications")->connectChanged(boost::bind(&LLNotificationManager::onNotification, this, _1));
-	mChannelListeners["Alerts"] = LLNotifications::instance().getChannel("Alerts")->connectChanged(boost::bind(&LLNotificationManager::onNotification, this, _1));
-	mChannelListeners["AlertModal"] = LLNotifications::instance().getChannel("AlertModal")->connectChanged(boost::bind(&LLNotificationManager::onNotification, this, _1));
-	mChannelListeners["IM Notifications"] = LLNotifications::instance().getChannel("IM Notifications")->connectChanged(boost::bind(&LLNotificationManager::onNotification, this, _1));
-	mChannelListeners["Offer"] = LLNotifications::instance().getChannel("Offer")->connectChanged(boost::bind(&LLNotificationManager::onNotification, this, _1));
-	mChannelListeners["Hints"] = LLNotifications::instance().getChannel("Hints")->connectChanged(boost::bind(&LLHintHandler::processNotification, LLHintHandler::getInstance(), _1));
-	mChannelListeners["Browser"] = LLNotifications::instance().getChannel("Browser")->connectChanged(boost::bind(&LLBrowserNotification::processNotification, LLBrowserNotification::getInstance(), _1));
-	mChannelListeners["Outbox"] = LLNotifications::instance().getChannel("Outbox")->connectChanged(boost::bind(&LLOutboxNotification::processNotification, LLOutboxNotification::getInstance(), _1));
-
-	mNotifyHandlers["notify"] = boost::shared_ptr<LLEventHandler>(new LLScriptHandler(NT_NOTIFY, LLSD()));
-	mNotifyHandlers["notifytip"] =  boost::shared_ptr<LLEventHandler>(new LLTipHandler(NT_NOTIFY, LLSD()));
-	mNotifyHandlers["groupnotify"] = boost::shared_ptr<LLEventHandler>(new LLGroupHandler(NT_GROUPNOTIFY, LLSD()));
-	mNotifyHandlers["alert"] = boost::shared_ptr<LLEventHandler>(new LLAlertHandler(NT_ALERT, LLSD()));
-	mNotifyHandlers["alertmodal"] = boost::shared_ptr<LLEventHandler>(new LLAlertHandler(NT_ALERT, LLSD()));
-	static_cast<LLAlertHandler*>(mNotifyHandlers["alertmodal"].get())->setAlertMode(true);
-	mNotifyHandlers["notifytoast"] = boost::shared_ptr<LLEventHandler>(new LLIMHandler(NT_IMCHAT, LLSD()));
-	
-	mNotifyHandlers["nearbychat"] = boost::shared_ptr<LLEventHandler>(new LLNearbyChatHandler(NT_NEARBYCHAT, LLSD()));
-	mNotifyHandlers["offer"] = boost::shared_ptr<LLEventHandler>(new LLOfferHandler(NT_OFFER, LLSD()));
-}
-
-//--------------------------------------------------------------------------
-bool LLNotificationManager::onNotification(const LLSD& notify)
-{
-	LLSysHandler* handle = NULL;
-
-	// Don't bother if we're going down.
-	// Otherwise we might crash when trying to use handlers that are already dead.
-	if( LLApp::isExiting() )
-	{
-		return false;
-	}
-
-	if (LLNotifications::destroyed())
-		return false;
-
-	LLNotificationPtr notification = LLNotifications::instance().find(notify["id"].asUUID());
-	
-	if (!notification) 
-		return false;
-
-	std::string notification_type = notification->getType();
-	handle = static_cast<LLSysHandler*>(mNotifyHandlers[notification_type].get());
-
-	if(!handle)
-		return false;
-	
-	return handle->processNotification(notify);
+	mChatHandler = boost::shared_ptr<LLFloaterIMNearbyChatHandler>(new LLFloaterIMNearbyChatHandler());
 }
 
 //--------------------------------------------------------------------------
 void LLNotificationManager::onChat(const LLChat& msg, const LLSD &args)
 {
-	// check ENotificationType argument
-	switch(args["type"].asInteger())
-	{
-	case NT_NEARBYCHAT:
-		{
-			LLNearbyChatHandler* handle = dynamic_cast<LLNearbyChatHandler*>(mNotifyHandlers["nearbychat"].get());
-
-			if(handle)
-				handle->processChat(msg, args);
+	if(mChatHandler)
+		mChatHandler->processChat(msg, args);
 		}
-		break;
-	default: 	//no need to handle all enum types
-		break;
-	}
-}
-
-//--------------------------------------------------------------------------
-LLEventHandler* LLNotificationManager::getHandlerForNotification(std::string notification_type) 
-{ 
-	std::map<std::string, boost::shared_ptr<LLEventHandler> >::iterator it = mNotifyHandlers.find(notification_type);
-
-	if(it != mNotifyHandlers.end())
-		return (*it).second.get();
-
-	return NULL;
-}
-
-//--------------------------------------------------------------------------
 
diff --git a/indra/newview/llnotificationmanager.h b/indra/newview/llnotificationmanager.h
index 27b6ba1c71..f37c6b833c 100644
--- a/indra/newview/llnotificationmanager.h
+++ b/indra/newview/llnotificationmanager.h
@@ -28,8 +28,6 @@
 #ifndef LL_LLNOTIFICATIONMANAGER_H
 #define LL_LLNOTIFICATIONMANAGER_H
 
-#include "llevents.h"
-
 #include "lluictrl.h"
 #include "llnotificationhandler.h"
 
@@ -49,7 +47,6 @@ class LLToast;
 class LLNotificationManager : public LLSingleton<LLNotificationManager>
 {
 	typedef std::pair<std::string, LLEventHandler*> eventhandlers;
-	typedef std::pair<const std::string, LLBoundListener> listener_pair_t;
 public:	
 	LLNotificationManager();	
 	virtual ~LLNotificationManager();
@@ -59,22 +56,12 @@ public:
 	void init(void);
 	//TODO: combine processing and storage (*)
 	
-	// this method reacts on system notifications and calls an appropriate handler
-	bool onNotification(const LLSD& notification);
-
 	// this method reacts on chat notifications and calls an appropriate handler
 	void onChat(const LLChat& msg, const LLSD &args);
 
-	// get a handler for a certain type of notification
-	LLEventHandler* getHandlerForNotification(std::string notification_type);
-
-
 private:
-	//TODO (*)
-	std::map<std::string, boost::shared_ptr<LLEventHandler> > mNotifyHandlers;
-	// cruft std::map<std::string, LLChatHandler*> mChatHandlers;
-
-	std::map<std::string, LLBoundListener> mChannelListeners;
+	boost::shared_ptr<class LLFloaterIMNearbyChatHandler> mChatHandler;
+	std::vector<LLNotificationChannelPtr> mChannels;
 };
 
 }
diff --git a/indra/newview/llnotificationofferhandler.cpp b/indra/newview/llnotificationofferhandler.cpp
index 1552ed3346..da38c9063b 100644
--- a/indra/newview/llnotificationofferhandler.cpp
+++ b/indra/newview/llnotificationofferhandler.cpp
@@ -40,16 +40,14 @@
 using namespace LLNotificationsUI;
 
 //--------------------------------------------------------------------------
-LLOfferHandler::LLOfferHandler(e_notification_type type, const LLSD& id)
+LLOfferHandler::LLOfferHandler()
+:	LLCommunicationNotificationHandler("Offer", "offer")
 {
-	mType = type;
-
 	// Getting a Channel for our notifications
 	LLScreenChannel* channel = LLChannelManager::getInstance()->createNotificationChannel();
 	if(channel)
 	{
 		channel->setControlHovering(true);
-		channel->setOnRejectToastCallback(boost::bind(&LLOfferHandler::onRejectToast, this, _1));
 		mChannel = channel->getHandle();
 	}
 }
@@ -68,147 +66,121 @@ void LLOfferHandler::initChannel()
 }
 
 //--------------------------------------------------------------------------
-bool LLOfferHandler::processNotification(const LLSD& notify)
+bool LLOfferHandler::processNotification(const LLNotificationPtr& notification)
 {
 	if(mChannel.isDead())
 	{
 		return false;
 	}
 
-	LLNotificationPtr notification = LLNotifications::instance().find(notify["id"].asUUID());
-
-	if(!notification)
-		return false;
-
 	// arrange a channel on a screen
 	if(!mChannel.get()->getVisible())
 	{
 		initChannel();
 	}
 
-	if(notify["sigtype"].asString() == "add" || notify["sigtype"].asString() == "change")
-	{
 
+	if( notification->getPayload().has("give_inventory_notification")
+		&& notification->getPayload()["give_inventory_notification"].asBoolean() == false)
+	{
+		// This is an original inventory offer, so add a script floater
+		LLScriptFloaterManager::instance().onAddNotification(notification->getID());
+	}
+	else
+	{
+		bool add_notif_to_im = notification->canLogToIM() && notification->hasFormElements();
 
-		if( notification->getPayload().has("give_inventory_notification")
-			&& !notification->getPayload()["give_inventory_notification"] )
+		if (add_notif_to_im)
 		{
-			// This is an original inventory offer, so add a script floater
-			LLScriptFloaterManager::instance().onAddNotification(notification->getID());
+			const std::string name = LLHandlerUtil::getSubstitutionName(notification);
+
+			LLUUID from_id = notification->getPayload()["from_id"];
+
+			LLHandlerUtil::spawnIMSession(name, from_id);
+			LLHandlerUtil::addNotifPanelToIM(notification);
 		}
-		else
+
+		if (!notification->canShowToast())
 		{
-			notification->setReusable(LLHandlerUtil::isNotificationReusable(notification));
-
-			LLUUID session_id;
-			if (LLHandlerUtil::canSpawnIMSession(notification))
-			{
-				const std::string name = LLHandlerUtil::getSubstitutionName(notification);
-
-				LLUUID from_id = notification->getPayload()["from_id"];
-
-				session_id = LLHandlerUtil::spawnIMSession(name, from_id);
-			}
-
-			bool show_toast = LLHandlerUtil::canSpawnToast(notification);
-			bool add_notid_to_im = LLHandlerUtil::canAddNotifPanelToIM(notification);
-			if (add_notid_to_im)
-			{
-				LLHandlerUtil::addNotifPanelToIM(notification);
-			}
-
-			if (notification->getPayload().has("SUPPRESS_TOAST")
-						&& notification->getPayload()["SUPPRESS_TOAST"])
-			{
-				LLNotificationsUtil::cancel(notification);
-			}
-			else if(show_toast)
-			{
-				LLToastNotifyPanel* notify_box = new LLToastNotifyPanel(notification);
-				// don't close notification on panel destroy since it will be used by IM floater
-				notify_box->setCloseNotificationOnDestroy(!add_notid_to_im);
-				LLToast::Params p;
-				p.notif_id = notification->getID();
-				p.notification = notification;
-				p.panel = notify_box;
-				p.on_delete_toast = boost::bind(&LLOfferHandler::onDeleteToast, this, _1);
-				// we not save offer notifications to the syswell floater that should be added to the IM floater
-				p.can_be_stored = !add_notid_to_im;
-
-				LLScreenChannel* channel = dynamic_cast<LLScreenChannel*>(mChannel.get());
-				if(channel)
-					channel->addToast(p);
-
-				// if we not add notification to IM - add it to notification well
-				if (!add_notid_to_im)
-				{
-					// send a signal to the counter manager
-					mNewNotificationSignal();
-				}
-			}
-
-			if (LLHandlerUtil::canLogToIM(notification))
-			{
-				// log only to file if notif panel can be embedded to IM and IM is opened
-				if (add_notid_to_im && LLHandlerUtil::isIMFloaterOpened(notification))
-				{
-					LLHandlerUtil::logToIMP2P(notification, true);
-				}
-				else
-				{
-					LLHandlerUtil::logToIMP2P(notification);
-				}
-			}
+			LLNotificationsUtil::cancel(notification);
 		}
-	}
-	else if (notify["sigtype"].asString() == "delete")
-	{
-		if( notification->getPayload().has("give_inventory_notification")
-			&& !notification->getPayload()["give_inventory_notification"] )
+		else if(!notification->canLogToIM() || !LLHandlerUtil::isIMFloaterOpened(notification))
 		{
-			// Remove original inventory offer script floater
-			LLScriptFloaterManager::instance().onRemoveNotification(notification->getID());
+			LLToastNotifyPanel* notify_box = new LLToastNotifyPanel(notification);
+			LLToast::Params p;
+			p.notif_id = notification->getID();
+			p.notification = notification;
+			p.panel = notify_box;
+			// we not save offer notifications to the syswell floater that should be added to the IM floater
+			p.can_be_stored = !add_notif_to_im;
+			p.force_show = notification->getOfferFromAgent();
+
+			LLScreenChannel* channel = dynamic_cast<LLScreenChannel*>(mChannel.get());
+			if(channel)
+				channel->addToast(p);
+
+            //Will not play a notification sound for inventory and teleport offer based upon chat preference
+            bool playSound = !((notification->getName() == "UserGiveItem"
+                                    && gSavedSettings.getBOOL("PlaySoundInventoryOffer") == FALSE)
+                                ||  notification->getName() == "TeleportOffered"
+                                    && gSavedSettings.getBOOL("PlaySoundTeleportOffer") == FALSE);
+
+            if(playSound)
+            {
+                notification->playSound();
+            }
 		}
-		else
+
+		if (notification->canLogToIM())
 		{
-			if (LLHandlerUtil::canAddNotifPanelToIM(notification)
-					&& !LLHandlerUtil::isIMFloaterOpened(notification))
-			{
-				LLHandlerUtil::decIMMesageCounter(notification);
-			}
-			mChannel.get()->killToastByNotificationID(notification->getID());
+			// log only to file if notif panel can be embedded to IM and IM is opened
+			bool file_only = add_notif_to_im && LLHandlerUtil::isIMFloaterOpened(notification);
+			LLHandlerUtil::logToIMP2P(notification, file_only);
 		}
 	}
 
 	return false;
 }
 
-//--------------------------------------------------------------------------
-
-void LLOfferHandler::onDeleteToast(LLToast* toast)
+/*virtual*/ void LLOfferHandler::onChange(LLNotificationPtr p)
 {
-	if (!LLHandlerUtil::canAddNotifPanelToIM(toast->getNotification()))
+	LLToastNotifyPanel* panelp = LLToastNotifyPanel::getInstance(p->getID());
+	if (panelp)
 	{
-		// send a signal to the counter manager
-		mDelNotificationSignal();
+		//
+		// HACK: if we're dealing with a notification embedded in IM, update it
+		// otherwise remove its toast
+		//
+		if (dynamic_cast<LLIMToastNotifyPanel*>(panelp))
+		{
+			panelp->updateNotification();
+		}
+		else
+		{
+			// if notification has changed, hide it
+			mChannel.get()->removeToastByNotificationID(p->getID());
+		}
 	}
-
-	// send a signal to a listener to let him perform some action
-	// in this case listener is a SysWellWindow and it will remove a corresponding item from its list
-	mNotificationIDSignal(toast->getNotificationID());
 }
 
-//--------------------------------------------------------------------------
-void LLOfferHandler::onRejectToast(LLUUID& id)
-{
-	LLNotificationPtr notification = LLNotifications::instance().find(id);
 
-	if (notification
-			&& LLNotificationManager::getInstance()->getHandlerForNotification(
-					notification->getType()) == this
-					// don't delete notification since it may be used by IM floater
-					&& !LLHandlerUtil::canAddNotifPanelToIM(notification))
+/*virtual*/ void LLOfferHandler::onDelete(LLNotificationPtr notification)
+{
+	if( notification->getPayload().has("give_inventory_notification")
+		&& !notification->getPayload()["give_inventory_notification"] )
+	{
+		// Remove original inventory offer script floater
+		LLScriptFloaterManager::instance().onRemoveNotification(notification->getID());
+	}
+	else
 	{
-		LLNotifications::instance().cancel(notification);
+		if (notification->canLogToIM() 
+			&& notification->hasFormElements()
+			&& !LLHandlerUtil::isIMFloaterOpened(notification))
+		{
+			LLHandlerUtil::decIMMesageCounter(notification);
+		}
+		mChannel.get()->removeToastByNotificationID(notification->getID());
 	}
 }
+
diff --git a/indra/newview/llnotificationscripthandler.cpp b/indra/newview/llnotificationscripthandler.cpp
index 398f54c6f7..e2d4e9f8ce 100644
--- a/indra/newview/llnotificationscripthandler.cpp
+++ b/indra/newview/llnotificationscripthandler.cpp
@@ -37,21 +37,15 @@
 
 using namespace LLNotificationsUI;
 
-static const std::string SCRIPT_DIALOG				("ScriptDialog");
-static const std::string SCRIPT_DIALOG_GROUP		("ScriptDialogGroup");
-static const std::string SCRIPT_LOAD_URL			("LoadWebPage");
-
 //--------------------------------------------------------------------------
-LLScriptHandler::LLScriptHandler(e_notification_type type, const LLSD& id)
+LLScriptHandler::LLScriptHandler()
+:	LLSystemNotificationHandler("Notifications", "notify")
 {
-	mType = type;
-
 	// Getting a Channel for our notifications
 	LLScreenChannel* channel = LLChannelManager::getInstance()->createNotificationChannel();
 	if(channel)
 	{
 		channel->setControlHovering(true);
-		channel->setOnRejectToastCallback(boost::bind(&LLScriptHandler::onRejectToast, this, _1));
 		mChannel = channel->getHandle();
 	}
 }
@@ -70,104 +64,77 @@ void LLScriptHandler::initChannel()
 }
 
 //--------------------------------------------------------------------------
-bool LLScriptHandler::processNotification(const LLSD& notify)
+bool LLScriptHandler::processNotification(const LLNotificationPtr& notification)
 {
 	if(mChannel.isDead())
 	{
 		return false;
 	}
 
-	LLNotificationPtr notification = LLNotifications::instance().find(notify["id"].asUUID());
-
-	if(!notification)
-		return false;
-
 	// arrange a channel on a screen
 	if(!mChannel.get()->getVisible())
 	{
 		initChannel();
 	}
 	
-	if(notify["sigtype"].asString() == "add")
+	if (notification->canLogToIM())
 	{
-		if (LLHandlerUtil::canLogToIM(notification))
-		{
-			LLHandlerUtil::logToIMP2P(notification);
-		}
+		LLHandlerUtil::logToIMP2P(notification);
+	}
 
-		if(SCRIPT_DIALOG == notification->getName() || SCRIPT_DIALOG_GROUP == notification->getName() || SCRIPT_LOAD_URL == notification->getName())
-		{
-			LLScriptFloaterManager::getInstance()->onAddNotification(notification->getID());
-		}
-		else
+	if(notification->hasFormElements() && !notification->canShowToast())
+	{
+		LLScriptFloaterManager::getInstance()->onAddNotification(notification->getID());
+	}
+	else
+	{
+		LLToastPanel* notify_box = LLToastPanel::buidPanelFromNotification(notification);
+
+		LLToast::Params p;
+		p.notif_id = notification->getID();
+		p.notification = notification;
+		p.panel = notify_box;
+		p.on_delete_toast = boost::bind(&LLScriptHandler::onDeleteToast, this, _1);
+
+		LLScreenChannel* channel = dynamic_cast<LLScreenChannel*>(mChannel.get());
+		if(channel)
 		{
-			LLToastPanel* notify_box = LLToastPanel::buidPanelFromNotification(notification);
-
-			LLToast::Params p;
-			p.notif_id = notification->getID();
-			p.notification = notification;
-			p.panel = notify_box;	
-			p.on_delete_toast = boost::bind(&LLScriptHandler::onDeleteToast, this, _1);
-
-			LLScreenChannel* channel = dynamic_cast<LLScreenChannel*>(mChannel.get());
-			if(channel)
-			{
-				channel->addToast(p);
-			}
-
-			// send a signal to the counter manager
-			mNewNotificationSignal();
+			channel->addToast(p);
 		}
 	}
-	else if (notify["sigtype"].asString() == "delete")
+
+	return false;
+}
+
+
+void LLScriptHandler::onDelete( LLNotificationPtr notification )
 	{
-		if(SCRIPT_DIALOG == notification->getName() || SCRIPT_DIALOG_GROUP == notification->getName() || SCRIPT_LOAD_URL == notification->getName())
+	if(notification->hasFormElements() && !notification->canShowToast())
 		{
 			LLScriptFloaterManager::getInstance()->onRemoveNotification(notification->getID());
 		}
 		else
 		{
-			mChannel.get()->killToastByNotificationID(notification->getID());
+			mChannel.get()->removeToastByNotificationID(notification->getID());
 		}
 	}
-	return false;
-}
+
 
 //--------------------------------------------------------------------------
 
 void LLScriptHandler::onDeleteToast(LLToast* toast)
 {
-	// send a signal to the counter manager
-	mDelNotificationSignal();
-
 	// send a signal to a listener to let him perform some action
 	// in this case listener is a SysWellWindow and it will remove a corresponding item from its list
-	mNotificationIDSignal(toast->getNotificationID());
-
 	LLNotificationPtr notification = LLNotifications::getInstance()->find(toast->getNotificationID());
 	
-	if( notification && 
-		(SCRIPT_DIALOG == notification->getName() || SCRIPT_DIALOG_GROUP == notification->getName()) )
+	if( notification && notification->hasFormElements() && !notification->canShowToast())
 	{
 		LLScriptFloaterManager::getInstance()->onRemoveNotification(notification->getID());
 	}
-}
-
-//--------------------------------------------------------------------------
-void LLScriptHandler::onRejectToast(LLUUID& id)
-{
-	LLNotificationPtr notification = LLNotifications::instance().find(id);
 
-	if (notification
-			&& LLNotificationManager::getInstance()->getHandlerForNotification(
-					notification->getType()) == this)
-	{
-		LLNotifications::instance().cancel(notification);
-	}
 }
 
-//--------------------------------------------------------------------------
-
 
 
 
diff --git a/indra/newview/llnotificationstorage.cpp b/indra/newview/llnotificationstorage.cpp
index fb1adc7ddf..4c5b7cc198 100644
--- a/indra/newview/llnotificationstorage.cpp
+++ b/indra/newview/llnotificationstorage.cpp
@@ -25,197 +25,138 @@
 */
 
 #include "llviewerprecompiledheaders.h" // must be first include
+
 #include "llnotificationstorage.h"
 
-#include "llxmlnode.h" // for linux compilers
+#include <string>
+#include <map>
 
-#include "llchannelmanager.h"
-#include "llscreenchannel.h"
-#include "llscriptfloater.h"
+#include "llerror.h"
+#include "llfile.h"
+#include "llnotifications.h"
+#include "llpointer.h"
+#include "llsd.h"
 #include "llsdserialize.h"
+#include "llsingleton.h"
 #include "llviewermessage.h"
 
-//////////////////////////////////////////////////////////////////////////
 
-class LLResponderRegistry
+class LLResponderRegistry : public LLSingleton<LLResponderRegistry>
 {
 public:
-
-	static void registerResponders();
-
-	static LLNotificationResponderInterface* createResponder(const std::string& notification_name, const LLSD& params);
-
+	LLResponderRegistry();
+	~LLResponderRegistry();
+	
+	LLNotificationResponderInterface* createResponder(const std::string& pNotificationName, const LLSD& pParams);
+	
+protected:
+	
 private:
-
-	template<typename RESPONDER_TYPE>
-	static LLNotificationResponderInterface* create(const LLSD& params)
-	{
-		RESPONDER_TYPE* responder = new RESPONDER_TYPE();
-		responder->fromLLSD(params);
-		return responder;
-	}
-
+	template<typename RESPONDER_TYPE> static LLNotificationResponderInterface* create(const LLSD& pParams);
+	
 	typedef boost::function<LLNotificationResponderInterface* (const LLSD& params)> responder_constructor_t;
-
-	static void add(const std::string& notification_name, const responder_constructor_t& ctr);
-
-private:
-
+	
+	void add(const std::string& pNotificationName, const responder_constructor_t& pConstructor);
+	
 	typedef std::map<std::string, responder_constructor_t> build_map_t;
-
-	static build_map_t sBuildMap;
+	build_map_t mBuildMap;
 };
 
-//////////////////////////////////////////////////////////////////////////
-
-LLPersistentNotificationStorage::LLPersistentNotificationStorage()
+LLNotificationStorage::LLNotificationStorage(std::string pFileName)
+	: mFileName(pFileName)
 {
-	mFileName = gDirUtilp->getExpandedFilename ( LL_PATH_PER_SL_ACCOUNT, "open_notifications.xml" );
 }
 
-bool LLPersistentNotificationStorage::onPersistentChannelChanged(const LLSD& payload)
+LLNotificationStorage::~LLNotificationStorage()
 {
-	// we ignore "load" messages, but rewrite the persistence file on any other
-	const std::string sigtype = payload["sigtype"].asString();
-	if ("load" != sigtype)
-	{
-		saveNotifications();
-	}
-	return false;
 }
 
-void LLPersistentNotificationStorage::saveNotifications()
+bool LLNotificationStorage::writeNotifications(const LLSD& pNotificationData) const
 {
-	// TODO - think about save optimization.
 
-	llofstream notify_file(mFileName.c_str());
-	if (!notify_file.is_open())
+	llofstream notifyFile(mFileName.c_str());
+	bool didFileOpen = notifyFile.is_open();
+
+	if (!didFileOpen)
 	{
-		llwarns << "Failed to open " << mFileName << llendl;
-		return;
+		LL_WARNS("LLNotificationStorage") << "Failed to open file '" << mFileName << "'" << LL_ENDL;
 	}
-
-	LLSD output;
-	LLSD& data = output["data"];
-
-	LLNotificationChannelPtr history_channel = LLNotifications::instance().getChannel("Persistent");
-	LLNotificationSet::iterator it = history_channel->begin();
-
-	for ( ; history_channel->end() != it; ++it)
+	else
 	{
-		LLNotificationPtr notification = *it;
-
-		// After a notification was placed in Persist channel, it can become
-		// responded, expired or canceled - in this case we are should not save it
-		if(notification->isRespondedTo() || notification->isCancelled()
-			|| notification->isExpired())
-		{
-			continue;
-		}
-
-		data.append(notification->asLLSD());
+		LLPointer<LLSDFormatter> formatter = new LLSDXMLFormatter();
+		formatter->format(pNotificationData, notifyFile, LLSDFormatter::OPTIONS_PRETTY);
 	}
 
-	LLPointer<LLSDFormatter> formatter = new LLSDXMLFormatter();
-	formatter->format(output, notify_file, LLSDFormatter::OPTIONS_PRETTY);
+	return didFileOpen;
 }
 
-void LLPersistentNotificationStorage::loadNotifications()
+bool LLNotificationStorage::readNotifications(LLSD& pNotificationData) const
 {
-	LLResponderRegistry::registerResponders();
+	bool didFileRead;
 
-	LLNotifications::instance().getChannel("Persistent")->
-		connectChanged(boost::bind(&LLPersistentNotificationStorage::onPersistentChannelChanged, this, _1));
+	pNotificationData.clear();
 
-	llifstream notify_file(mFileName.c_str());
-	if (!notify_file.is_open())
+	llifstream notifyFile(mFileName.c_str());
+	didFileRead = notifyFile.is_open();
+	if (!didFileRead)
 	{
-		llwarns << "Failed to open " << mFileName << llendl;
-		return;
+		LL_WARNS("LLNotificationStorage") << "Failed to open file '" << mFileName << "'" << LL_ENDL;
 	}
-
-	LLSD input;
-	LLPointer<LLSDParser> parser = new LLSDXMLParser();
-	if (parser->parse(notify_file, input, LLSDSerialize::SIZE_UNLIMITED) < 0)
+	else
 	{
-		llwarns << "Failed to parse open notifications" << llendl;
-		return;
-	}
-
-	if (input.isUndefined())
-	{
-		return;
-	}
-
-	LLSD& data = input["data"];
-	if (data.isUndefined())
-	{
-		return;
-	}
-
-	using namespace LLNotificationsUI;
-	LLScreenChannel* notification_channel = dynamic_cast<LLScreenChannel*>(LLChannelManager::getInstance()->
-		findChannelByID(LLUUID(gSavedSettings.getString("NotificationChannelUUID"))));
-
-	LLNotifications& instance = LLNotifications::instance();
-
-	for (LLSD::array_const_iterator notification_it = data.beginArray();
-		notification_it != data.endArray();
-		++notification_it)
-	{
-		LLSD notification_params = *notification_it;
-		LLNotificationPtr notification(new LLNotification(notification_params));
-
-		LLNotificationResponderPtr responder(LLResponderRegistry::
-			createResponder(notification_params["name"], notification_params["responder"]));
-		notification->setResponseFunctor(responder);
-
-		instance.add(notification);
-
-		// hide script floaters so they don't confuse the user and don't overlap startup toast
-		LLScriptFloaterManager::getInstance()->setFloaterVisible(notification->getID(), false);
-
-		if(notification_channel)
+		LLPointer<LLSDParser> parser = new LLSDXMLParser();
+		didFileRead = (parser->parse(notifyFile, pNotificationData, LLSDSerialize::SIZE_UNLIMITED) >= 0);
+		if (!didFileRead)
 		{
-			// hide saved toasts so they don't confuse the user
-			notification_channel->hideToast(notification->getID());
+			LL_WARNS("LLNotificationStorage") << "Failed to parse open notifications from file '" << mFileName 
+				<< "'" << LL_ENDL;
 		}
 	}
-}
-
-//////////////////////////////////////////////////////////////////////////
-//////////////////////////////////////////////////////////////////////////
-//////////////////////////////////////////////////////////////////////////
 
-LLResponderRegistry::build_map_t LLResponderRegistry::sBuildMap;
+	return didFileRead;
+}
 
-void LLResponderRegistry::registerResponders()
+LLNotificationResponderInterface* LLNotificationStorage::createResponder(const std::string& pNotificationName, const LLSD& pParams) const
 {
-	sBuildMap.clear();
+	return LLResponderRegistry::getInstance()->createResponder(pNotificationName, pParams);
+}
 
+LLResponderRegistry::LLResponderRegistry()
+	: LLSingleton<LLResponderRegistry>()
+	, mBuildMap()
+{
 	add("ObjectGiveItem", &create<LLOfferInfo>);
 	add("UserGiveItem", &create<LLOfferInfo>);
+    add("offer_info", &create<LLOfferInfo>);
 }
 
-LLNotificationResponderInterface* LLResponderRegistry::createResponder(const std::string& notification_name, const LLSD& params)
+LLResponderRegistry::~LLResponderRegistry()
 {
-	build_map_t::const_iterator it = sBuildMap.find(notification_name);
-	if(sBuildMap.end() == it)
+}
+
+LLNotificationResponderInterface* LLResponderRegistry::createResponder(const std::string& pNotificationName, const LLSD& pParams)
+{
+	build_map_t::const_iterator it = mBuildMap.find(pNotificationName);
+	if(mBuildMap.end() == it)
 	{
 		return NULL;
 	}
 	responder_constructor_t ctr = it->second;
-	return ctr(params);
+	return ctr(pParams);
 }
 
-void LLResponderRegistry::add(const std::string& notification_name, const responder_constructor_t& ctr)
+template<typename RESPONDER_TYPE> LLNotificationResponderInterface* LLResponderRegistry::create(const LLSD& pParams)
 {
-	if(sBuildMap.find(notification_name) != sBuildMap.end())
+	RESPONDER_TYPE* responder = new RESPONDER_TYPE();
+	responder->fromLLSD(pParams);
+	return responder;
+}
+	
+void LLResponderRegistry::add(const std::string& pNotificationName, const responder_constructor_t& pConstructor)
+{
+	if (mBuildMap.find(pNotificationName) != mBuildMap.end())
 	{
-		llwarns << "Responder is already registered : " << notification_name << llendl;
-		llassert(!"Responder already registered");
+		LL_ERRS("LLResponderRegistry") << "Responder is already registered : " << pNotificationName << LL_ENDL;
 	}
-	sBuildMap[notification_name] = ctr;
+	mBuildMap.insert(std::make_pair<std::string, responder_constructor_t>(pNotificationName, pConstructor));
 }
-
-// EOF
diff --git a/indra/newview/llnotificationstorage.h b/indra/newview/llnotificationstorage.h
index 8635c797c0..7aabf7d09e 100644
--- a/indra/newview/llnotificationstorage.h
+++ b/indra/newview/llnotificationstorage.h
@@ -27,32 +27,27 @@
 #ifndef LL_NOTIFICATIONSTORAGE_H
 #define LL_NOTIFICATIONSTORAGE_H
 
-#include "llnotifications.h"
-
-// Class that saves not responded(unread) notifications.
-// Unread notifications are saved in open_notifications.xml in SL account folder
-//
-// Notifications that should be saved(if unread) are marked with persist="true" in notifications.xml
-// Notifications using functor responders are saved automatically (see llviewermessage.cpp
-// lure_callback_reg for example).
-// Notifications using object responders(LLOfferInfo) need additional tuning. Responder object should
-// be a) serializable(implement LLNotificationResponderInterface),
-// b) registered with LLResponderRegistry (found in llnotificationstorage.cpp).
-class LLPersistentNotificationStorage : public LLSingleton<LLPersistentNotificationStorage>
-{
-	LOG_CLASS(LLPersistentNotificationStorage);
-public:
+#include <string>
 
-	LLPersistentNotificationStorage();
+#include "llerror.h"
 
-	void saveNotifications();
+class LLNotificationResponderInterface;
+class LLSD;
 
-	void loadNotifications();
+class LLNotificationStorage
+{
+	LOG_CLASS(LLNotificationStorage);
+public:
+	LLNotificationStorage(std::string pFileName);
+	~LLNotificationStorage();
 
-private:
+protected:
+	bool writeNotifications(const LLSD& pNotificationData) const;
+	bool readNotifications(LLSD& pNotificationData) const;
 
-	bool onPersistentChannelChanged(const LLSD& payload);
+	LLNotificationResponderInterface* createResponder(const std::string& pNotificationName, const LLSD& pParams) const;
 
+private:
 	std::string mFileName;
 };
 
diff --git a/indra/newview/llnotificationtiphandler.cpp b/indra/newview/llnotificationtiphandler.cpp
index e397cfa046..a85335f1ba 100644
--- a/indra/newview/llnotificationtiphandler.cpp
+++ b/indra/newview/llnotificationtiphandler.cpp
@@ -28,8 +28,8 @@
 #include "llviewerprecompiledheaders.h" // must be first include
 
 #include "llfloaterreg.h"
-#include "llnearbychat.h"
-#include "llnearbychatbar.h"
+#include "llfloaterimnearbychat.h"
+#include "llfloaterimnearbychat.h"
 #include "llnotificationhandler.h"
 #include "llnotifications.h"
 #include "lltoastnotifypanel.h"
@@ -41,15 +41,13 @@
 using namespace LLNotificationsUI;
 
 //--------------------------------------------------------------------------
-LLTipHandler::LLTipHandler(e_notification_type type, const LLSD& id)
+LLTipHandler::LLTipHandler()
+:	LLSystemNotificationHandler("NotificationTips", "notifytip")
 {
-	mType = type;	
-
 	// Getting a Channel for our notifications
 	LLScreenChannel* channel = LLChannelManager::getInstance()->createNotificationChannel();
 	if(channel)
 	{
-		channel->setOnRejectToastCallback(boost::bind(&LLTipHandler::onRejectToast, this, _1));
 		mChannel = channel->getHandle();
 	}
 }
@@ -68,102 +66,67 @@ void LLTipHandler::initChannel()
 }
 
 //--------------------------------------------------------------------------
-bool LLTipHandler::processNotification(const LLSD& notify)
+bool LLTipHandler::processNotification(const LLNotificationPtr& notification)
 {
 	if(mChannel.isDead())
 	{
 		return false;
 	}
 
-	LLNotificationPtr notification = LLNotifications::instance().find(notify["id"].asUUID());
-
-	if(!notification)
-		return false;	
-
 	// arrange a channel on a screen
 	if(!mChannel.get()->getVisible())
 	{
 		initChannel();
 	}
 
-	if(notify["sigtype"].asString() == "add" || notify["sigtype"].asString() == "change")
-	{
 		// archive message in nearby chat
-		if (LLHandlerUtil::canLogToNearbyChat(notification))
-		{
-			LLHandlerUtil::logToNearbyChat(notification, CHAT_SOURCE_SYSTEM);
-
-			// don't show toast if Nearby Chat is opened
-			LLNearbyChat* nearby_chat = LLNearbyChat::getInstance();
-			LLNearbyChatBar* nearby_chat_bar = LLNearbyChatBar::getInstance();
-			if (!nearby_chat_bar->isMinimized() && nearby_chat_bar->getVisible() && nearby_chat->getVisible())
-			{
-				return false;
-			}
-		}
-
-		std::string session_name = notification->getPayload()["SESSION_NAME"];
-		const std::string name = notification->getSubstitutions()["NAME"];
-		if (session_name.empty())
-		{
-			session_name = name;
-		}
-		LLUUID from_id = notification->getPayload()["from_id"];
-		if (LLHandlerUtil::canLogToIM(notification))
-		{
-			LLHandlerUtil::logToIM(IM_NOTHING_SPECIAL, session_name, name,
-					notification->getMessage(), from_id, from_id);
-		}
-
-		if (LLHandlerUtil::canSpawnIMSession(notification))
-		{
-			LLHandlerUtil::spawnIMSession(name, from_id);
-		}
+	if (notification->canLogToChat())
+	{
+		LLHandlerUtil::logToNearbyChat(notification, CHAT_SOURCE_SYSTEM);
 
-		// don't spawn toast for inventory accepted/declined offers if respective IM window is open (EXT-5909)
-		if (!LLHandlerUtil::canSpawnToast(notification))
+		// don't show toast if Nearby Chat is opened
+		LLFloaterIMNearbyChat* nearby_chat = LLFloaterReg::getTypedInstance<LLFloaterIMNearbyChat>("nearby_chat");
+		if (nearby_chat->isChatVisible())
 		{
 			return false;
 		}
+	}
 
-		LLToastPanel* notify_box = LLToastPanel::buidPanelFromNotification(notification);
-
-		LLToast::Params p;
-		p.notif_id = notification->getID();
-		p.notification = notification;
-		p.lifetime_secs = gSavedSettings.getS32("NotificationTipToastLifeTime");
-		p.panel = notify_box;
-		p.is_tip = true;
-		p.can_be_stored = false;
-		
-		removeExclusiveNotifications(notification);
-
-		LLScreenChannel* channel = dynamic_cast<LLScreenChannel*>(mChannel.get());
-		if(channel)
-			channel->addToast(p);
+	std::string session_name = notification->getPayload()["SESSION_NAME"];
+	const std::string name = notification->getSubstitutions()["NAME"];
+	if (session_name.empty())
+	{
+		session_name = name;
 	}
-	else if (notify["sigtype"].asString() == "delete")
+	LLUUID from_id = notification->getPayload()["from_id"];
+	if (notification->canLogToIM())
 	{
-		mChannel.get()->killToastByNotificationID(notification->getID());
+		LLHandlerUtil::logToIM(IM_NOTHING_SPECIAL, session_name, name,
+				notification->getMessage(), from_id, from_id);
 	}
-	return false;
-}
-
-//--------------------------------------------------------------------------
-void LLTipHandler::onDeleteToast(LLToast* toast)
-{
-}
-
-//--------------------------------------------------------------------------
 
-void LLTipHandler::onRejectToast(const LLUUID& id)
-{
-	LLNotificationPtr notification = LLNotifications::instance().find(id);
+	if (notification->canLogToIM() && notification->hasFormElements())
+	{
+		LLHandlerUtil::spawnIMSession(name, from_id);
+	}
 
-	if (notification
-			&& LLNotificationManager::getInstance()->getHandlerForNotification(
-					notification->getType()) == this)
+	if (notification->canLogToIM() && LLHandlerUtil::isIMFloaterOpened(notification))
 	{
-		LLNotifications::instance().cancel(notification);
+		return false;
 	}
+
+	LLToastPanel* notify_box = LLToastPanel::buidPanelFromNotification(notification);
+
+	LLToast::Params p;
+	p.notif_id = notification->getID();
+	p.notification = notification;
+	p.lifetime_secs = gSavedSettings.getS32("NotificationTipToastLifeTime");
+	p.panel = notify_box;
+	p.is_tip = true;
+	p.can_be_stored = false;
+		
+	LLScreenChannel* channel = dynamic_cast<LLScreenChannel*>(mChannel.get());
+	if(channel)
+		channel->addToast(p);
+	return false;
 }
diff --git a/indra/newview/lloutputmonitorctrl.cpp b/indra/newview/lloutputmonitorctrl.cpp
index 85626d8783..f6e3c0cac0 100644
--- a/indra/newview/lloutputmonitorctrl.cpp
+++ b/indra/newview/lloutputmonitorctrl.cpp
@@ -28,6 +28,7 @@
 #include "lloutputmonitorctrl.h"
 
 // library includes 
+#include "llfloaterreg.h"
 #include "llui.h"
 
 // viewer includes
@@ -72,8 +73,8 @@ LLOutputMonitorCtrl::LLOutputMonitorCtrl(const LLOutputMonitorCtrl::Params& p)
 	mAutoUpdate(p.auto_update),
 	mSpeakerId(p.speaker_id),
 	mIsAgentControl(false),
-	mIsSwitchDirty(false),
-	mShouldSwitchOn(false)
+	mIndicatorToggled(false),
+	mShowParticipantsSpeaking(false)
 {
 	//static LLUIColor output_monitor_muted_color = LLUIColorTable::instance().getColor("OutputMonitorMutedColor", LLColor4::orange);
 	//static LLUIColor output_monitor_overdriven_color = LLUIColorTable::instance().getColor("OutputMonitorOverdrivenColor", LLColor4::red);
@@ -114,26 +115,6 @@ void LLOutputMonitorCtrl::setPower(F32 val)
 
 void LLOutputMonitorCtrl::draw()
 {
-	// see also switchIndicator()
-	if (mIsSwitchDirty)
-	{
-		mIsSwitchDirty = false;
-		if (mShouldSwitchOn)
-		{
-			// just notify parent visibility may have changed
-			notifyParentVisibilityChanged();
-		}
-		else
-		{
-			// make itself invisible and notify parent about this
-			setVisible(FALSE);
-			notifyParentVisibilityChanged();
-
-			// no needs to render for invisible element
-			return;
-		}
-	}
-
 	// Copied from llmediaremotectrl.cpp
 	// *TODO: Give the LLOutputMonitorCtrl an agent-id to monitor, then
 	// call directly into LLVoiceClient::getInstance() to ask if that agent-id is muted, is
@@ -156,6 +137,24 @@ void LLOutputMonitorCtrl::draw()
 		}
 	}
 
+	if ((mPower == 0.f && !mIsTalking) && mShowParticipantsSpeaking)
+	{
+		std::set<LLUUID> participant_uuids;
+		LLVoiceClient::instance().getParticipantList(participant_uuids);
+		std::set<LLUUID>::const_iterator part_it = participant_uuids.begin();
+
+		F32 power = 0;
+		for (; part_it != participant_uuids.end(); ++part_it)
+		{
+			power = LLVoiceClient::instance().getCurrentPower(*part_it);
+			if (power)
+			{
+				mPower = power;
+				break;
+			}
+		}
+	}
+
 	LLPointer<LLUIImage> icon;
 	if (mIsMuted)
 	{
@@ -241,14 +240,34 @@ void LLOutputMonitorCtrl::draw()
 		gl_rect_2d(0, monh, monw, 0, sColorBound, FALSE);
 }
 
-void LLOutputMonitorCtrl::setSpeakerId(const LLUUID& speaker_id, const LLUUID& session_id/* = LLUUID::null*/)
+// virtual
+BOOL LLOutputMonitorCtrl::handleMouseUp(S32 x, S32 y, MASK mask)
+{
+	if (mSpeakerId != gAgentID && !mShowParticipantsSpeaking)
+	{
+		LLFloaterReg::showInstance("floater_voice_volume", LLSD().with("avatar_id", mSpeakerId));
+	}
+	else if(mShowParticipantsSpeaking)
+	{
+		LLFloaterReg::showInstance("chat_voice", LLSD());
+	}
+
+	return TRUE;
+}
+
+void LLOutputMonitorCtrl::setSpeakerId(const LLUUID& speaker_id, const LLUUID& session_id/* = LLUUID::null*/, bool show_other_participants_speaking /* = false */)
 {
 	if (speaker_id.isNull() && mSpeakerId.notNull())
 	{
 		LLSpeakingIndicatorManager::unregisterSpeakingIndicator(mSpeakerId, this);
+        switchIndicator(false);
+        mSpeakerId = speaker_id;
 	}
 
-	if (speaker_id.isNull() || speaker_id == mSpeakerId) return;
+	if (speaker_id.isNull() || (speaker_id == mSpeakerId))
+	{
+		return;
+	}
 
 	if (mSpeakerId.notNull())
 	{
@@ -256,6 +275,7 @@ void LLOutputMonitorCtrl::setSpeakerId(const LLUUID& speaker_id, const LLUUID& s
 		LLSpeakingIndicatorManager::unregisterSpeakingIndicator(mSpeakerId, this);
 	}
 
+	mShowParticipantsSpeaking = show_other_participants_speaking;
 	mSpeakerId = speaker_id;
 	LLSpeakingIndicatorManager::registerSpeakingIndicator(mSpeakerId, this, session_id);
 
@@ -284,26 +304,28 @@ void LLOutputMonitorCtrl::onChange()
 // virtual
 void LLOutputMonitorCtrl::switchIndicator(bool switch_on)
 {
-	// ensure indicator is visible in case it is not in visible chain
-	// to be called when parent became visible next time to notify parent that visibility is changed.
-	setVisible(TRUE);
-
-	// if parent is in visible chain apply switch_on state and notify it immediately
-	if (getParent() && getParent()->isInVisibleChain())
-	{
-		LL_DEBUGS("SpeakingIndicator") << "Indicator is in visible chain, notifying parent: " << mSpeakerId << LL_ENDL;
-		setVisible((BOOL)switch_on);
-		notifyParentVisibilityChanged();
-	}
 
-	// otherwise remember necessary state and mark itself as dirty.
-	// State will be applied in next draw when parents chain becomes visible.
-	else
-	{
-		LL_DEBUGS("SpeakingIndicator") << "Indicator is not in visible chain, parent won't be notified: " << mSpeakerId << LL_ENDL;
-		mIsSwitchDirty = true;
-		mShouldSwitchOn = switch_on;
-	}
+    if(getVisible() != (BOOL)switch_on)
+    {
+        setVisible(switch_on);
+        
+        //Let parent adjust positioning of icons adjacent to speaker indicator
+        //(when speaker indicator hidden, adjacent icons move to right and when speaker
+        //indicator visible, adjacent icons move to the left) 
+        if (getParent() && getParent()->isInVisibleChain())
+        {
+            notifyParentVisibilityChanged();
+            //Ignore toggled state in case it was set when parent visibility was hidden
+            mIndicatorToggled = false;
+        }
+        else
+        {
+            //Makes sure to only adjust adjacent icons when parent becomes visible
+            //(!mIndicatorToggled ensures that changes of TFT and FTF are discarded, real state changes are TF or FT)
+            mIndicatorToggled = !mIndicatorToggled;
+        }
+
+    }
 }
 
 //////////////////////////////////////////////////////////////////////////
diff --git a/indra/newview/lloutputmonitorctrl.h b/indra/newview/lloutputmonitorctrl.h
index 2d23753d46..af2fd45823 100644
--- a/indra/newview/lloutputmonitorctrl.h
+++ b/indra/newview/lloutputmonitorctrl.h
@@ -28,10 +28,10 @@
 #define LL_LLOUTPUTMONITORCTRL_H
 
 #include "v4color.h"
-#include "llview.h"
+#include "../llui/llview.h"
 #include "llmutelist.h"
 #include "llspeakingindicatormanager.h"
-#include "lluiimage.h"
+#include "../llui/lluiimage.h"
 
 class LLTextBox;
 class LLUICtrlFactory;
@@ -68,6 +68,7 @@ public:
 
 	// llview overrides
 	virtual void	draw();
+	virtual BOOL	handleMouseUp(S32 x, S32 y, MASK mask);
 
 	void			setPower(F32 val);
 	F32				getPower(F32 val) const { return mPower; }
@@ -81,6 +82,8 @@ public:
 
 	void			setIsTalking(bool val) { mIsTalking = val; }
 
+	void			setShowParticipantsSpeaking(bool show) { mShowParticipantsSpeaking = show; }
+
 	/**
 	 * Sets avatar UUID to interact with voice channel.
 	 *
@@ -89,7 +92,7 @@ public:
 	 *		If this parameter is set registered indicator will be shown only in voice channel
 	 *		which has the same session id (EXT-5562).
 	 */
-	void			setSpeakerId(const LLUUID& speaker_id, const LLUUID& session_id = LLUUID::null);
+	void			setSpeakerId(const LLUUID& speaker_id, const LLUUID& session_id = LLUUID::null, bool show_other_participants_speaking = false);
 
 	//called by mute list
 	virtual void onChange();
@@ -105,6 +108,8 @@ public:
 	 * It will be applied in next draw and parent will be notified.
 	 */
 	virtual void	switchIndicator(bool switch_on);
+    bool getIndicatorToggled() { return mIndicatorToggled;}
+    void setIndicatorToggled(bool value) { mIndicatorToggled = value;}
 
 private:
 
@@ -131,6 +136,7 @@ private:
 	bool			mIsAgentControl;
 	bool			mIsMuted;
 	bool			mIsTalking;
+	bool			mShowParticipantsSpeaking;
 	LLPointer<LLUIImage> mImageMute;
 	LLPointer<LLUIImage> mImageOff;
 	LLPointer<LLUIImage> mImageOn;
@@ -144,9 +150,7 @@ private:
 	/** uuid of a speaker being monitored */
 	LLUUID			mSpeakerId;
 
-	/** indicates if the instance is dirty and should notify parent */
-	bool			mIsSwitchDirty;
-	bool			mShouldSwitchOn;
+    bool mIndicatorToggled;
 };
 
 #endif
diff --git a/indra/newview/llpanelblockedlist.cpp b/indra/newview/llpanelblockedlist.cpp
index 5c85ec438c..df1ccdd9fc 100644
--- a/indra/newview/llpanelblockedlist.cpp
+++ b/indra/newview/llpanelblockedlist.cpp
@@ -30,15 +30,23 @@
 
 // library include
 #include "llavatarname.h"
+#include "llfiltereditor.h"
 #include "llfloater.h"
 #include "llfloaterreg.h"
 #include "llnotificationsutil.h"
 #include "llscrolllistctrl.h"
+#include "llmenubutton.h"
 
 // project include
+#include "llavatarlistitem.h"
+#include "llblocklist.h"
+#include "llblockedlistitem.h"
 #include "llfloateravatarpicker.h"
 #include "llfloatersidepanelcontainer.h"
+#include "llinventorylistitem.h"
+#include "llinventorymodel.h"
 #include "llsidetraypanelcontainer.h"
+#include "llviewercontrol.h"
 
 static LLRegisterPanelClassWrapper<LLPanelBlockedList> t_panel_blocked_list("panel_block_list_sidetray");
 
@@ -54,26 +62,44 @@ const std::string BLOCKED_PARAM_NAME = "blocked_to_select";
 LLPanelBlockedList::LLPanelBlockedList()
 :	LLPanel()
 {
-	mCommitCallbackRegistrar.add("Block.ClickPick",			boost::bind(&LLPanelBlockedList::onPickBtnClick, this));
-	mCommitCallbackRegistrar.add("Block.ClickBlockByName",	boost::bind(&LLPanelBlockedList::onBlockByNameClick, this));
-	mCommitCallbackRegistrar.add("Block.ClickRemove",		boost::bind(&LLPanelBlockedList::onRemoveBtnClick, this));
+	mCommitCallbackRegistrar.add("Block.Action",	boost::bind(&LLPanelBlockedList::onCustomAction,  this, _2));
+	mEnableCallbackRegistrar.add("Block.Check",		boost::bind(&LLPanelBlockedList::isActionChecked, this, _2));
 }
 
-LLPanelBlockedList::~LLPanelBlockedList()
+void LLPanelBlockedList::removePicker()
 {
-	LLMuteList::getInstance()->removeObserver(this);
+    if(mPicker.get())
+    {
+        mPicker.get()->closeFloater();
+    }
 }
 
 BOOL LLPanelBlockedList::postBuild()
 {
-	mBlockedList = getChild<LLScrollListCtrl>("blocked");
+	mBlockedList = getChild<LLBlockList>("blocked");
 	mBlockedList->setCommitOnSelectionChange(TRUE);
+    this->setVisibleCallback(boost::bind(&LLPanelBlockedList::removePicker, this));
 
-	childSetCommitCallback("back", boost::bind(&LLPanelBlockedList::onBackBtnClick, this), NULL);
+	switch (gSavedSettings.getU32("BlockPeopleSortOrder"))
+	{
+	case E_SORT_BY_NAME:
+		mBlockedList->sortByName();
+		break;
+
+	case E_SORT_BY_TYPE:
+		mBlockedList->sortByType();
+		break;
+	}
+
+	// Use the context menu of the Block list for the Block tab gear menu.
+	LLToggleableMenu* blocked_gear_menu = mBlockedList->getContextMenu();
+	if (blocked_gear_menu)
+	{
+		getChild<LLMenuButton>("blocked_gear_btn")->setMenu(blocked_gear_menu, LLMenuButton::MP_BOTTOM_LEFT);
+	}
 
-	LLMuteList::getInstance()->addObserver(this);
-	
-	refreshBlockedList();
+	getChild<LLButton>("unblock_btn")->setCommitCallback(boost::bind(&LLPanelBlockedList::unblockItem, this));
+	getChild<LLFilterEditor>("blocked_filter_input")->setCommitCallback(boost::bind(&LLPanelBlockedList::onFilterEdit, this, _2));
 
 	return LLPanel::postBuild();
 }
@@ -94,97 +120,112 @@ void LLPanelBlockedList::onOpen(const LLSD& key)
 
 void LLPanelBlockedList::selectBlocked(const LLUUID& mute_id)
 {
-	mBlockedList->selectByID(mute_id);
+	mBlockedList->selectItemByUUID(mute_id);
 }
 
 void LLPanelBlockedList::showPanelAndSelect(const LLUUID& idToSelect)
 {
-	LLFloaterSidePanelContainer::showPanel("people", "panel_block_list_sidetray", LLSD().with(BLOCKED_PARAM_NAME, idToSelect));
+	LLFloaterSidePanelContainer::showPanel("people", "panel_people",
+		LLSD().with("people_panel_tab_name", "blocked_panel").with(BLOCKED_PARAM_NAME, idToSelect));
 }
 
 
 //////////////////////////////////////////////////////////////////////////
 // Private Section
 //////////////////////////////////////////////////////////////////////////
-void LLPanelBlockedList::refreshBlockedList()
+void LLPanelBlockedList::updateButtons()
 {
-	mBlockedList->deleteAllItems();
+	bool hasSelected = NULL != mBlockedList->getSelectedItem();
+	getChildView("unblock_btn")->setEnabled(hasSelected);
+	getChildView("blocked_gear_btn")->setEnabled(hasSelected);
+}
 
-	std::vector<LLMute> mutes = LLMuteList::getInstance()->getMutes();
-	std::vector<LLMute>::iterator it;
-	for (it = mutes.begin(); it != mutes.end(); ++it)
+void LLPanelBlockedList::unblockItem()
+{
+	LLBlockedListItem* item = mBlockedList->getBlockedItem();
+	if (item)
 	{
-		LLScrollListItem::Params item_p;
-		item_p.enabled(TRUE);
-		item_p.value(it->mID); // link UUID of blocked item with ScrollListItem
-		item_p.columns.add().column("item_name").value(it->mName);//.type("text");
-		item_p.columns.add().column("item_type").value(it->getDisplayType());//.type("text").width(111);
-
-		mBlockedList->addRow(item_p, ADD_BOTTOM);
+		LLMute mute(item->getUUID(), item->getName());
+		LLMuteList::instance().remove(mute);
 	}
 }
 
-void LLPanelBlockedList::updateButtons()
+void LLPanelBlockedList::onCustomAction(const LLSD& userdata)
 {
-	bool hasSelected = NULL != mBlockedList->getFirstSelected();
-	getChildView("Unblock")->setEnabled(hasSelected);
-}
+	const std::string command_name = userdata.asString();
 
-
-
-void LLPanelBlockedList::onBackBtnClick()
-{
-	LLSideTrayPanelContainer* parent = dynamic_cast<LLSideTrayPanelContainer*>(getParent());
-	if(parent)
+	if ("block_obj_by_name" == command_name)
 	{
-		parent->openPreviousPanel();
+		blockObjectByName();
+	}
+	else if ("block_res_by_name" == command_name)
+	{
+		blockResidentByName();
+	}
+	else if ("sort_by_name" == command_name)
+	{
+		mBlockedList->sortByName();
+		gSavedSettings.setU32("BlockPeopleSortOrder", E_SORT_BY_NAME);
+	}
+	else if ("sort_by_type" == command_name)
+	{
+		mBlockedList->sortByType();
+		gSavedSettings.setU32("BlockPeopleSortOrder", E_SORT_BY_TYPE);
 	}
 }
 
-void LLPanelBlockedList::onRemoveBtnClick()
+BOOL LLPanelBlockedList::isActionChecked(const LLSD& userdata)
 {
-	std::string name = mBlockedList->getSelectedItemLabel();
-	LLUUID id = mBlockedList->getStringUUIDSelectedItem();
-	LLMute mute(id, name);
-	
-	S32 last_selected = mBlockedList->getFirstSelectedIndex();
-	if (LLMuteList::getInstance()->remove(mute))
+	std::string item = userdata.asString();
+	U32 sort_order = gSavedSettings.getU32("BlockPeopleSortOrder");
+
+	if ("sort_by_name" == item)
+	{
+		return E_SORT_BY_NAME == sort_order;
+	}
+	else if ("sort_by_type" == item)
 	{
-		// Above removals may rebuild this dialog.
-		
-		if (last_selected == mBlockedList->getItemCount())
-		{
-			// we were on the last item, so select the last item again
-			mBlockedList->selectNthItem(last_selected - 1);
-		}
-		else
-		{
-			// else select the item after the last item previously selected
-			mBlockedList->selectNthItem(last_selected);
-		}
+		return E_SORT_BY_TYPE == sort_order;
 	}
+
+	return false;
 }
 
-void LLPanelBlockedList::onPickBtnClick()
+void LLPanelBlockedList::blockResidentByName()
 {
 	const BOOL allow_multiple = FALSE;
 	const BOOL close_on_select = TRUE;
-	/*LLFloaterAvatarPicker* picker = */LLFloaterAvatarPicker::show(boost::bind(&LLPanelBlockedList::callbackBlockPicked, this, _1, _2), allow_multiple, close_on_select);
-
-	// *TODO: mantipov: should LLFloaterAvatarPicker be closed when panel is closed?
-	// old Floater dependency is not enable in panel
-	// addDependentFloater(picker);
+    
+    LLView * button = findChild<LLButton>("plus_btn", TRUE);
+    LLFloater* root_floater = gFloaterView->getParentFloater(this);
+	LLFloaterAvatarPicker * picker = LLFloaterAvatarPicker::show(boost::bind(&LLPanelBlockedList::callbackBlockPicked, this, _1, _2), 
+                                                                                    allow_multiple, close_on_select, FALSE, root_floater->getName(), button);
+    
+    if (root_floater)
+    {
+        root_floater->addDependentFloater(picker);
+    }
+
+    mPicker = picker->getHandle();
 }
 
-void LLPanelBlockedList::onBlockByNameClick()
+void LLPanelBlockedList::blockObjectByName()
 {
 	LLFloaterGetBlockedObjectName::show(&LLPanelBlockedList::callbackBlockByName);
 }
 
+void LLPanelBlockedList::onFilterEdit(const std::string& search_string)
+{
+	std::string filter = search_string;
+	LLStringUtil::trimHead(filter);
+
+	mBlockedList->setNameFilter(filter);
+}
+
 void LLPanelBlockedList::callbackBlockPicked(const uuid_vec_t& ids, const std::vector<LLAvatarName> names)
 {
 	if (names.empty() || ids.empty()) return;
-	LLMute mute(ids[0], names[0].getLegacyName(), LLMute::AGENT);
+	LLMute mute(ids[0], names[0].getAccountName(), LLMute::AGENT);
 	LLMuteList::getInstance()->add(mute);
 	showPanelAndSelect(mute.mID);
 }
diff --git a/indra/newview/llpanelblockedlist.h b/indra/newview/llpanelblockedlist.h
index 74ad82e32d..07f0437656 100644
--- a/indra/newview/llpanelblockedlist.h
+++ b/indra/newview/llpanelblockedlist.h
@@ -30,21 +30,15 @@
 #include "llpanel.h"
 #include "llmutelist.h"
 #include "llfloater.h"
-// #include <vector>
 
-// class LLButton;
-// class LLLineEditor;
-// class LLMessageSystem;
-// class LLUUID;
 class LLAvatarName;
-class LLScrollListCtrl;
+class LLBlockList;
 
-class LLPanelBlockedList
-	:	public LLPanel, public LLMuteListObserver
+class LLPanelBlockedList : public LLPanel
 {
 public:
 	LLPanelBlockedList();
-	~LLPanelBlockedList();
+	~LLPanelBlockedList(){};
 
 	virtual BOOL postBuild();
 	virtual void draw();
@@ -59,25 +53,33 @@ public:
 	 *			If it is LLUUID::null, nothing will be selected.
 	 */
 	static void showPanelAndSelect(const LLUUID& idToSelect);
-
-	// LLMuteListObserver callback interface implementation.
-	/* virtual */ void onChange() {	refreshBlockedList();}
 	
 private:
-	void refreshBlockedList();
+
+	typedef enum e_sort_oder{
+		E_SORT_BY_NAME = 0,
+		E_SORT_BY_TYPE = 1,
+	} ESortOrder;
+
+    void removePicker();
 	void updateButtons();
 
 	// UI callbacks
-	void onBackBtnClick();
-	void onRemoveBtnClick();
-	void onPickBtnClick();
-	void onBlockByNameClick();
+	void unblockItem();
+	void blockResidentByName();
+	void blockObjectByName();
+	void onFilterEdit(const std::string& search_string);
+
+	// List commnads
+	void onCustomAction(const LLSD& userdata);
+	BOOL isActionChecked(const LLSD& userdata);
 
 	void callbackBlockPicked(const uuid_vec_t& ids, const std::vector<LLAvatarName> names);
 	static void callbackBlockByName(const std::string& text);
 
 private:
-	LLScrollListCtrl* mBlockedList;
+	LLBlockList* mBlockedList;
+    LLHandle<LLFloater> mPicker;
 };
 
 //-----------------------------------------------------------------------------
diff --git a/indra/newview/llpanelgroupgeneral.cpp b/indra/newview/llpanelgroupgeneral.cpp
index 993ffb7825..0cd93b330a 100644
--- a/indra/newview/llpanelgroupgeneral.cpp
+++ b/indra/newview/llpanelgroupgeneral.cpp
@@ -79,13 +79,18 @@ LLPanelGroupGeneral::LLPanelGroupGeneral()
 	mCtrlReceiveNotices(NULL),
 	mCtrlListGroup(NULL),
 	mActiveTitleLabel(NULL),
-	mComboActiveTitle(NULL)
+	mComboActiveTitle(NULL),
+	mAvatarNameCacheConnection()
 {
 
 }
 
 LLPanelGroupGeneral::~LLPanelGroupGeneral()
 {
+	if (mAvatarNameCacheConnection.connected())
+	{
+		mAvatarNameCacheConnection.disconnect();
+	}
 }
 
 BOOL LLPanelGroupGeneral::postBuild()
@@ -727,9 +732,12 @@ void LLPanelGroupGeneral::updateMembers()
 		else
 		{
 			// If name is not cached, onNameCache() should be called when it is cached and add this member to list.
-			LLAvatarNameCache::get(mMemberProgress->first, 
-									boost::bind(&LLPanelGroupGeneral::onNameCache,
-												this, gdatap->getMemberVersion(), member, _2));
+			// *TODO : Use a callback per member, not for the panel group.
+			if (mAvatarNameCacheConnection.connected())
+			{
+				mAvatarNameCacheConnection.disconnect();
+			}
+			mAvatarNameCacheConnection = LLAvatarNameCache::get(mMemberProgress->first, boost::bind(&LLPanelGroupGeneral::onNameCache, this, gdatap->getMemberVersion(), member, _2));
 		}
 	}
 
@@ -769,6 +777,8 @@ void LLPanelGroupGeneral::addMember(LLGroupMemberData* member)
 
 void LLPanelGroupGeneral::onNameCache(const LLUUID& update_id, LLGroupMemberData* member, const LLAvatarName& av_name)
 {
+	mAvatarNameCacheConnection.disconnect();
+
 	LLGroupMgrGroupData* gdatap = LLGroupMgr::getInstance()->getGroupData(mGroupID);
 
 	if (!gdatap
diff --git a/indra/newview/llpanelgroupgeneral.h b/indra/newview/llpanelgroupgeneral.h
index 1b4e8e2645..b7f4a01139 100644
--- a/indra/newview/llpanelgroupgeneral.h
+++ b/indra/newview/llpanelgroupgeneral.h
@@ -111,6 +111,7 @@ private:
 	LLComboBox		*mComboMature;
 
 	LLGroupMgrGroupData::member_list_t::iterator mMemberProgress;
+	boost::signals2::connection mAvatarNameCacheConnection;
 };
 
 #endif
diff --git a/indra/newview/llpanelgroupinvite.cpp b/indra/newview/llpanelgroupinvite.cpp
index b9b347d4be..133b269c11 100644
--- a/indra/newview/llpanelgroupinvite.cpp
+++ b/indra/newview/llpanelgroupinvite.cpp
@@ -89,6 +89,8 @@ public:
 	void (*mCloseCallback)(void* data);
 
 	void* mCloseCallbackUserData;
+
+	boost::signals2::connection mAvatarNameCacheConnection;
 };
 
 
@@ -102,12 +104,17 @@ LLPanelGroupInvite::impl::impl(const LLUUID& group_id):
 	mGroupName( NULL ),
 	mConfirmedOwnerInvite( false ),
 	mCloseCallback( NULL ),
-	mCloseCallbackUserData( NULL )
+	mCloseCallbackUserData( NULL ),
+	mAvatarNameCacheConnection()
 {
 }
 
 LLPanelGroupInvite::impl::~impl()
 {
+	if (mAvatarNameCacheConnection.connected())
+	{
+		mAvatarNameCacheConnection.disconnect();
+	}
 }
 
 void LLPanelGroupInvite::impl::addUsers(const std::vector<std::string>& names,
@@ -301,11 +308,13 @@ void LLPanelGroupInvite::impl::callbackClickAdd(void* userdata)
 		//Soon the avatar picker will be embedded into this panel
 		//instead of being it's own separate floater.  But that is next week.
 		//This will do for now. -jwolk May 10, 2006
+        LLView * button = panelp->findChild<LLButton>("add_button");
+        LLFloater * root_floater = gFloaterView->getParentFloater(panelp);
 		LLFloaterAvatarPicker* picker = LLFloaterAvatarPicker::show(
-			boost::bind(impl::callbackAddUsers, _1, panelp->mImplementation), TRUE);
+			boost::bind(impl::callbackAddUsers, _1, panelp->mImplementation), TRUE, FALSE, FALSE, root_floater->getName(), button);
 		if (picker)
 		{
-			gFloaterView->getParentFloater(panelp)->addDependentFloater(picker);
+			root_floater->addDependentFloater(picker);
 		}
 	}
 }
@@ -378,8 +387,24 @@ void LLPanelGroupInvite::impl::callbackAddUsers(const uuid_vec_t& agent_ids, voi
 	std::vector<std::string> names;
 	for (S32 i = 0; i < (S32)agent_ids.size(); i++)
 	{
-		LLAvatarNameCache::get(agent_ids[i],
-			boost::bind(&LLPanelGroupInvite::impl::onAvatarNameCache, _1, _2, user_data));
+		LLAvatarName av_name;
+		if (LLAvatarNameCache::get(agent_ids[i], &av_name))
+		{
+			LLPanelGroupInvite::impl::onAvatarNameCache(agent_ids[i], av_name, user_data);
+		}
+		else 
+		{
+			impl* selfp = (impl*) user_data;
+			if (selfp)
+			{
+				if (selfp->mAvatarNameCacheConnection.connected())
+				{
+					selfp->mAvatarNameCacheConnection.disconnect();
+				}
+				// *TODO : Add a callback per avatar name being fetched.
+				selfp->mAvatarNameCacheConnection = LLAvatarNameCache::get(agent_ids[i],boost::bind(&LLPanelGroupInvite::impl::onAvatarNameCache, _1, _2, user_data));
+			}
+		}
 	}	
 	
 }
@@ -392,6 +417,10 @@ void LLPanelGroupInvite::impl::onAvatarNameCache(const LLUUID& agent_id,
 
 	if (selfp)
 	{
+		if (selfp->mAvatarNameCacheConnection.connected())
+		{
+			selfp->mAvatarNameCacheConnection.disconnect();
+		}
 		std::vector<std::string> names;
 		uuid_vec_t agent_ids;
 		agent_ids.push_back(agent_id);
@@ -471,8 +500,7 @@ void LLPanelGroupInvite::addUsers(uuid_vec_t& agent_ids)
 				if (!LLAvatarNameCache::get(agent_id, &av_name))
 				{
 					// actually it should happen, just in case
-					LLAvatarNameCache::get(LLUUID(agent_id), boost::bind(
-							&LLPanelGroupInvite::addUserCallback, this, _1, _2));
+					//LLAvatarNameCache::get(LLUUID(agent_id), boost::bind(&LLPanelGroupInvite::addUserCallback, this, _1, _2));
 					// for this special case!
 					//when there is no cached name we should remove resident from agent_ids list to avoid breaking of sequence
 					// removed id will be added in callback
@@ -480,7 +508,7 @@ void LLPanelGroupInvite::addUsers(uuid_vec_t& agent_ids)
 				}
 				else
 				{
-					names.push_back(av_name.getLegacyName());
+					names.push_back(av_name.getAccountName());
 				}
 			}
 		}
@@ -493,7 +521,7 @@ void LLPanelGroupInvite::addUserCallback(const LLUUID& id, const LLAvatarName& a
 	std::vector<std::string> names;
 	uuid_vec_t agent_ids;
 	agent_ids.push_back(id);
-	names.push_back(av_name.getLegacyName());
+	names.push_back(av_name.getAccountName());
 
 	mImplementation->addUsers(names, agent_ids);
 }
diff --git a/indra/newview/llpanelgroupnotices.cpp b/indra/newview/llpanelgroupnotices.cpp
index 31c0e3d01a..93b108efcc 100644
--- a/indra/newview/llpanelgroupnotices.cpp
+++ b/indra/newview/llpanelgroupnotices.cpp
@@ -543,10 +543,7 @@ void LLPanelGroupNotices::processNotices(LLMessageSystem* msg)
 		msg->getU32("Data","Timestamp",timestamp,i);
 
 		// we only have the legacy name here, convert it to a username
-		if (LLAvatarNameCache::useDisplayNames())
-		{
-			name = LLCacheName::buildUsername(name);
-		}
+		name = LLCacheName::buildUsername(name);
 
 		LLSD row;
 		row["id"] = id;
diff --git a/indra/newview/llpanelgrouproles.cpp b/indra/newview/llpanelgrouproles.cpp
index ff106882f4..cfdac11d26 100644
--- a/indra/newview/llpanelgrouproles.cpp
+++ b/indra/newview/llpanelgrouproles.cpp
@@ -743,12 +743,17 @@ LLPanelGroupMembersSubTab::LLPanelGroupMembersSubTab()
 	mChanged(FALSE),
 	mPendingMemberUpdate(FALSE),
 	mHasMatch(FALSE),
-	mNumOwnerAdditions(0)
+	mNumOwnerAdditions(0),
+	mAvatarNameCacheConnection()
 {
 }
 
 LLPanelGroupMembersSubTab::~LLPanelGroupMembersSubTab()
 {
+	if (mAvatarNameCacheConnection.connected())
+	{
+		mAvatarNameCacheConnection.disconnect();
+	}
 	if (mMembersList)
 	{
 		gSavedSettings.setString("GroupMembersSortOrder", mMembersList->getSortColumnName());
@@ -1604,6 +1609,8 @@ void LLPanelGroupMembersSubTab::addMemberToList(LLGroupMemberData* data)
 
 void LLPanelGroupMembersSubTab::onNameCache(const LLUUID& update_id, LLGroupMemberData* member, const LLAvatarName& av_name)
 {
+	mAvatarNameCacheConnection.disconnect();
+
 	LLGroupMgrGroupData* gdatap = LLGroupMgr::getInstance()->getGroupData(mGroupID);
 	if (!gdatap
 		|| gdatap->getMemberVersion() != update_id
@@ -1613,7 +1620,7 @@ void LLPanelGroupMembersSubTab::onNameCache(const LLUUID& update_id, LLGroupMemb
 	}
 	
 	// trying to avoid unnecessary hash lookups
-	if (matchesSearchFilter(av_name.getLegacyName()))
+	if (matchesSearchFilter(av_name.getAccountName()))
 	{
 		addMemberToList(member);
 		if(!mMembersList->getEnabled())
@@ -1667,7 +1674,7 @@ void LLPanelGroupMembersSubTab::updateMembers()
 		LLAvatarName av_name;
 		if (LLAvatarNameCache::get(mMemberProgress->first, &av_name))
 		{
-			if (matchesSearchFilter(av_name.getLegacyName()))
+			if (matchesSearchFilter(av_name.getAccountName()))
 			{
 				addMemberToList(mMemberProgress->second);
 			}
@@ -1675,8 +1682,12 @@ void LLPanelGroupMembersSubTab::updateMembers()
 		else
 		{
 			// If name is not cached, onNameCache() should be called when it is cached and add this member to list.
-			LLAvatarNameCache::get(mMemberProgress->first, boost::bind(&LLPanelGroupMembersSubTab::onNameCache,
-									this, gdatap->getMemberVersion(), mMemberProgress->second, _2));
+			// *TODO : Add one callback per fetched avatar name
+			if (mAvatarNameCacheConnection.connected())
+			{
+				mAvatarNameCacheConnection.disconnect();
+			}
+			mAvatarNameCacheConnection = LLAvatarNameCache::get(mMemberProgress->first, boost::bind(&LLPanelGroupMembersSubTab::onNameCache, this, gdatap->getMemberVersion(), mMemberProgress->second, _2));
 		}
 	}
 
diff --git a/indra/newview/llpanelgrouproles.h b/indra/newview/llpanelgrouproles.h
index bead8bd85b..78bb3c57a1 100644
--- a/indra/newview/llpanelgrouproles.h
+++ b/indra/newview/llpanelgrouproles.h
@@ -214,6 +214,7 @@ protected:
 	U32 mNumOwnerAdditions;
 
 	LLGroupMgrGroupData::member_list_t::iterator mMemberProgress;
+	boost::signals2::connection mAvatarNameCacheConnection;
 };
 
 class LLPanelGroupRolesSubTab : public LLPanelGroupSubTab
diff --git a/indra/newview/llpanelimcontrolpanel.cpp b/indra/newview/llpanelimcontrolpanel.cpp
index eda0749cdb..389baa86cd 100644
--- a/indra/newview/llpanelimcontrolpanel.cpp
+++ b/indra/newview/llpanelimcontrolpanel.cpp
@@ -1,31 +1,30 @@
-/** 
+/**
  * @file llpanelavatar.cpp
  * @brief LLPanelAvatar and related class implementations
  *
  * $LicenseInfo:firstyear=2004&license=viewerlgpl$
  * Second Life Viewer Source Code
  * Copyright (C) 2010, Linden Research, Inc.
- * 
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation;
  * version 2.1 of the License only.
- * 
+ *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
- * 
+ *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
+ *
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
 
 #include "llviewerprecompiledheaders.h"
-
 #include "llfloaterreg.h"
 
 #include "llpanelimcontrolpanel.h"
@@ -39,393 +38,7 @@
 #include "llavatarlist.h"
 #include "llparticipantlist.h"
 #include "llimview.h"
-#include "llvoicechannel.h"
 #include "llspeakers.h"
 #include "lltrans.h"
 
-void LLPanelChatControlPanel::onCallButtonClicked()
-{
-	gIMMgr->startCall(mSessionId);
-}
-
-void LLPanelChatControlPanel::onEndCallButtonClicked()
-{
-	gIMMgr->endCall(mSessionId);
-}
-
-void LLPanelChatControlPanel::onOpenVoiceControlsClicked()
-{
-	LLFloaterReg::showInstance("voice_controls");
-}
-
-void LLPanelChatControlPanel::onChange(EStatusType status, const std::string &channelURI, bool proximal)
-{
-	if(status == STATUS_JOINING || status == STATUS_LEFT_CHANNEL)
-	{
-		return;
-	}
-
-	updateCallButton();
-}
-
-void LLPanelChatControlPanel::onVoiceChannelStateChanged(const LLVoiceChannel::EState& old_state, const LLVoiceChannel::EState& new_state)
-{
-	updateButtons(new_state);
-}
-
-void LLPanelChatControlPanel::updateCallButton()
-{
-	// hide/show call button
-	bool voice_enabled = LLVoiceClient::getInstance()->voiceEnabled() && LLVoiceClient::getInstance()->isVoiceWorking();
-
-	LLIMModel::LLIMSession* session = LLIMModel::getInstance()->findIMSession(mSessionId);
-	
-	if (!session) 
-	{
-		getChildView("call_btn")->setEnabled(false);
-		return;
-	}
-
-	bool session_initialized = session->mSessionInitialized;
-	bool callback_enabled = session->mCallBackEnabled;
-
-	BOOL enable_connect = session_initialized
-		&& voice_enabled
-		&& callback_enabled;
-	getChildView("call_btn")->setEnabled(enable_connect);
-}
-
-void LLPanelChatControlPanel::updateButtons(LLVoiceChannel::EState state)
-{
-	bool is_call_started = state >= LLVoiceChannel::STATE_CALL_STARTED;
-	getChildView("end_call_btn_panel")->setVisible( is_call_started);
-	getChildView("voice_ctrls_btn_panel")->setVisible( is_call_started && findChild<LLView>("voice_ctrls_btn_panel"));
-	getChildView("call_btn_panel")->setVisible( ! is_call_started);
-	
-	getChildView("volume_ctrl_panel")->setVisible(state == LLVoiceChannel::STATE_CONNECTED);
-	
-	updateCallButton();
-	
-}
-
-LLPanelChatControlPanel::~LLPanelChatControlPanel()
-{
-	mVoiceChannelStateChangeConnection.disconnect();
-	if(LLVoiceClient::instanceExists())
-	{
-		LLVoiceClient::getInstance()->removeObserver(this);
-	}
-}
-
-BOOL LLPanelChatControlPanel::postBuild()
-{
-	childSetAction("call_btn", boost::bind(&LLPanelChatControlPanel::onCallButtonClicked, this));
-	childSetAction("end_call_btn", boost::bind(&LLPanelChatControlPanel::onEndCallButtonClicked, this));
-	childSetAction("voice_ctrls_btn", boost::bind(&LLPanelChatControlPanel::onOpenVoiceControlsClicked, this));
-
-	LLVoiceClient::getInstance()->addObserver(this);
-
-	return TRUE;
-}
-
-void LLPanelChatControlPanel::setSessionId(const LLUUID& session_id)
-{
-	//Method is called twice for AdHoc and Group chat. Second time when server init reply received
-	mSessionId = session_id;
-	LLVoiceChannel* voice_channel = LLIMModel::getInstance()->getVoiceChannel(mSessionId);
-	if(voice_channel)
-	{
-		mVoiceChannelStateChangeConnection = voice_channel->setStateChangedCallback(boost::bind(&LLPanelChatControlPanel::onVoiceChannelStateChanged, this, _1, _2));
-		
-		//call (either p2p, group or ad-hoc) can be already in started state
-		updateButtons(voice_channel->getState());
-	}
-}
-
-LLPanelIMControlPanel::LLPanelIMControlPanel()
-{
-}
-
-LLPanelIMControlPanel::~LLPanelIMControlPanel()
-{
-	LLAvatarTracker::instance().removeParticularFriendObserver(mAvatarID, this);
-}
-
-BOOL LLPanelIMControlPanel::postBuild()
-{
-	childSetAction("view_profile_btn", boost::bind(&LLPanelIMControlPanel::onViewProfileButtonClicked, this));
-	childSetAction("add_friend_btn", boost::bind(&LLPanelIMControlPanel::onAddFriendButtonClicked, this));
-
-	childSetAction("share_btn", boost::bind(&LLPanelIMControlPanel::onShareButtonClicked, this));
-	childSetAction("teleport_btn", boost::bind(&LLPanelIMControlPanel::onTeleportButtonClicked, this));
-	childSetAction("pay_btn", boost::bind(&LLPanelIMControlPanel::onPayButtonClicked, this));
-
-	childSetAction("mute_btn", boost::bind(&LLPanelIMControlPanel::onClickMuteVolume, this));
-	childSetAction("block_btn", boost::bind(&LLPanelIMControlPanel::onClickBlock, this));
-	childSetAction("unblock_btn", boost::bind(&LLPanelIMControlPanel::onClickUnblock, this));
-	
-	getChild<LLUICtrl>("volume_slider")->setCommitCallback(boost::bind(&LLPanelIMControlPanel::onVolumeChange, this, _2));
-
-	getChildView("add_friend_btn")->setEnabled(!LLAvatarActions::isFriend(getChild<LLAvatarIconCtrl>("avatar_icon")->getAvatarId()));
-
-	setFocusReceivedCallback(boost::bind(&LLPanelIMControlPanel::onFocusReceived, this));
-	
-	return LLPanelChatControlPanel::postBuild();
-}
-
-void LLPanelIMControlPanel::draw()
-{
-	bool is_muted = LLMuteList::getInstance()->isMuted(mAvatarID);
-
-	getChild<LLUICtrl>("block_btn_panel")->setVisible(!is_muted);
-	getChild<LLUICtrl>("unblock_btn_panel")->setVisible(is_muted);
-
-	if (getChildView("volume_ctrl_panel")->getVisible())
-	{
-
-		bool is_muted_voice = LLMuteList::getInstance()->isMuted(mAvatarID, LLMute::flagVoiceChat);
-
-		LLUICtrl* mute_btn = getChild<LLUICtrl>("mute_btn");
-		mute_btn->setValue( is_muted_voice );
-
-		LLUICtrl* volume_slider = getChild<LLUICtrl>("volume_slider");
-		volume_slider->setEnabled( !is_muted_voice );
-
-		F32 volume;
-
-		if (is_muted_voice)
-		{
-			// it's clearer to display their volume as zero
-			volume = 0.f;
-		}
-		else
-		{
-			// actual volume
-			volume = LLVoiceClient::getInstance()->getUserVolume(mAvatarID);
-		}
-		volume_slider->setValue( (F64)volume );
-	}
-
-	LLPanelChatControlPanel::draw();
-}
-
-void LLPanelIMControlPanel::onClickMuteVolume()
-{
-	// By convention, we only display and toggle voice mutes, not all mutes
-	LLMuteList* mute_list = LLMuteList::getInstance();
-	bool is_muted = mute_list->isMuted(mAvatarID, LLMute::flagVoiceChat);
-
-	LLMute mute(mAvatarID, getChild<LLTextBox>("avatar_name")->getText(), LLMute::AGENT);
-	if (!is_muted)
-	{
-		mute_list->add(mute, LLMute::flagVoiceChat);
-	}
-	else
-	{
-		mute_list->remove(mute, LLMute::flagVoiceChat);
-	}
-}
-
-void LLPanelIMControlPanel::onClickBlock()
-{
-	LLMute mute(mAvatarID, getChild<LLTextBox>("avatar_name")->getText(), LLMute::AGENT);
-	
-	LLMuteList::getInstance()->add(mute);
-}
-
-void LLPanelIMControlPanel::onClickUnblock()
-{
-	LLMute mute(mAvatarID, getChild<LLTextBox>("avatar_name")->getText(), LLMute::AGENT);
-
-	LLMuteList::getInstance()->remove(mute);
-}
-
-void LLPanelIMControlPanel::onVolumeChange(const LLSD& data)
-{
-	F32 volume = (F32)data.asReal();
-	LLVoiceClient::getInstance()->setUserVolume(mAvatarID, volume);
-}
-
-void LLPanelIMControlPanel::onTeleportButtonClicked()
-{
-	LLAvatarActions::offerTeleport(mAvatarID);
-}
-void LLPanelIMControlPanel::onPayButtonClicked()
-{
-	LLAvatarActions::pay(mAvatarID);
-}
-
-void LLPanelIMControlPanel::onViewProfileButtonClicked()
-{
-	LLAvatarActions::showProfile(mAvatarID);
-}
-
-void LLPanelIMControlPanel::onAddFriendButtonClicked()
-{
-	LLAvatarIconCtrl* avatar_icon = getChild<LLAvatarIconCtrl>("avatar_icon");
-	std::string full_name = avatar_icon->getFullName();
-	LLAvatarActions::requestFriendshipDialog(mAvatarID, full_name);
-}
-
-void LLPanelIMControlPanel::onShareButtonClicked()
-{
-	LLAvatarActions::share(mAvatarID);
-}
-
-void LLPanelIMControlPanel::onFocusReceived()
-{
-	// Disable all the buttons (Call, Teleport, etc) if disconnected.
-	if (gDisconnected)
-	{
-		setAllChildrenEnabled(FALSE);
-	}
-}
-
-void LLPanelIMControlPanel::setSessionId(const LLUUID& session_id)
-{
-	LLPanelChatControlPanel::setSessionId(session_id);
-
-	LLIMModel& im_model = LLIMModel::instance();
-
-	LLAvatarTracker::instance().removeParticularFriendObserver(mAvatarID, this);
-	mAvatarID = im_model.getOtherParticipantID(session_id);
-	LLAvatarTracker::instance().addParticularFriendObserver(mAvatarID, this);
-
-	// Disable "Add friend" button for friends.
-	getChildView("add_friend_btn")->setEnabled(!LLAvatarActions::isFriend(mAvatarID));
-	
-	// Disable "Teleport" button if friend is offline
-	if(LLAvatarActions::isFriend(mAvatarID))
-	{
-		getChildView("teleport_btn")->setEnabled(LLAvatarTracker::instance().isBuddyOnline(mAvatarID));
-	}
-
-	getChild<LLAvatarIconCtrl>("avatar_icon")->setValue(mAvatarID);
-
-	// Disable most profile buttons if the participant is
-	// not really an SL avatar (e.g., an Avaline caller).
-	LLIMModel::LLIMSession* im_session =
-		im_model.findIMSession(session_id);
-	if( im_session && !im_session->mOtherParticipantIsAvatar )
-	{
-		getChildView("view_profile_btn")->setEnabled(FALSE);
-		getChildView("add_friend_btn")->setEnabled(FALSE);
-
-		getChildView("share_btn")->setEnabled(FALSE);
-		getChildView("teleport_btn")->setEnabled(FALSE);
-		getChildView("pay_btn")->setEnabled(FALSE);
-
-        getChild<LLTextBox>("avatar_name")->setValue(im_session->mName);
-        getChild<LLTextBox>("avatar_name")->setToolTip(im_session->mName);
-	}
-	else
-	{
-		// If the participant is an avatar, fetch the currect name
-		gCacheName->get(mAvatarID, false,
-			boost::bind(&LLPanelIMControlPanel::onNameCache, this, _1, _2, _3));
-	}
-}
-
-//virtual
-void LLPanelIMControlPanel::changed(U32 mask)
-{
-	getChildView("add_friend_btn")->setEnabled(!LLAvatarActions::isFriend(mAvatarID));
-	
-	// Disable "Teleport" button if friend is offline
-	if(LLAvatarActions::isFriend(mAvatarID))
-	{
-		getChildView("teleport_btn")->setEnabled(LLAvatarTracker::instance().isBuddyOnline(mAvatarID));
-	}
-}
-
-void LLPanelIMControlPanel::onNameCache(const LLUUID& id, const std::string& full_name, bool is_group)
-{
-	if ( id == mAvatarID )
-	{
-		std::string avatar_name = full_name;
-		getChild<LLTextBox>("avatar_name")->setValue(avatar_name);
-		getChild<LLTextBox>("avatar_name")->setToolTip(avatar_name);
-
-		bool is_linden = LLStringUtil::endsWith(full_name, " Linden");
-		getChild<LLUICtrl>("mute_btn")->setEnabled( !is_linden);
-	}
-}
-
-LLPanelGroupControlPanel::LLPanelGroupControlPanel(const LLUUID& session_id):
-mParticipantList(NULL)
-{
-}
-
-BOOL LLPanelGroupControlPanel::postBuild()
-{
-	childSetAction("group_info_btn", boost::bind(&LLPanelGroupControlPanel::onGroupInfoButtonClicked, this));
-
-	return LLPanelChatControlPanel::postBuild();
-}
-
-LLPanelGroupControlPanel::~LLPanelGroupControlPanel()
-{
-	delete mParticipantList;
-	mParticipantList = NULL;
-}
-
-// virtual
-void LLPanelGroupControlPanel::draw()
-{
-	// Need to resort the participant list if it's in sort by recent speaker order.
-	if (mParticipantList)
-		mParticipantList->update();
-	LLPanelChatControlPanel::draw();
-}
-
-void LLPanelGroupControlPanel::onGroupInfoButtonClicked()
-{
-	LLGroupActions::show(mGroupID);
-}
-
-void LLPanelGroupControlPanel::onSortMenuItemClicked(const LLSD& userdata)
-{
-	// TODO: Check this code when when sort order menu will be added. (EM)
-	if (false && !mParticipantList)
-		return;
-
-	std::string chosen_item = userdata.asString();
-
-	if (chosen_item == "sort_name")
-	{
-		mParticipantList->setSortOrder(LLParticipantList::E_SORT_BY_NAME);
-	}
-
-}
-
-void LLPanelGroupControlPanel::onVoiceChannelStateChanged(const LLVoiceChannel::EState& old_state, const LLVoiceChannel::EState& new_state)
-{
-	LLPanelChatControlPanel::onVoiceChannelStateChanged(old_state, new_state);
-	mParticipantList->setSpeakingIndicatorsVisible(new_state >= LLVoiceChannel::STATE_CALL_STARTED);
-}
-
-void LLPanelGroupControlPanel::setSessionId(const LLUUID& session_id)
-{
-	LLPanelChatControlPanel::setSessionId(session_id);
-
-	mGroupID = session_id;
-
-	// for group and Ad-hoc chat we need to include agent into list 
-	if(!mParticipantList)
-	{
-		LLSpeakerMgr* speaker_manager = LLIMModel::getInstance()->getSpeakerManager(session_id);
-		mParticipantList = new LLParticipantList(speaker_manager, getChild<LLAvatarList>("speakers_list"), true,false);
-	}
-}
-
-
-LLPanelAdHocControlPanel::LLPanelAdHocControlPanel(const LLUUID& session_id):LLPanelGroupControlPanel(session_id)
-{
-}
-
-BOOL LLPanelAdHocControlPanel::postBuild()
-{
-	//We don't need LLPanelGroupControlPanel::postBuild() to be executed as there is no group_info_btn at AdHoc chat
-	return LLPanelChatControlPanel::postBuild();
-}
 
diff --git a/indra/newview/llpanelimcontrolpanel.h b/indra/newview/llpanelimcontrolpanel.h
index bba847b5d4..02915ec4bb 100644
--- a/indra/newview/llpanelimcontrolpanel.h
+++ b/indra/newview/llpanelimcontrolpanel.h
@@ -28,14 +28,12 @@
 #define LL_LLPANELIMCONTROLPANEL_H
 
 #include "llpanel.h"
-#include "llvoicechannel.h"
 #include "llcallingcard.h"
 
 class LLParticipantList;
 
-class LLPanelChatControlPanel 
+class LLPanelChatControlPanel
 	: public LLPanel
-	, public LLVoiceClientStatusObserver
 {
 public:
 	LLPanelChatControlPanel() :
@@ -44,21 +42,6 @@ public:
 
 	virtual BOOL postBuild();
 
-	void onCallButtonClicked();
-	void onEndCallButtonClicked();
-	void onOpenVoiceControlsClicked();
-
-	// Implements LLVoiceClientStatusObserver::onChange() to enable the call
-	// button when voice is available
-	/*virtual*/ void onChange(EStatusType status, const std::string &channelURI, bool proximal);
-
-	virtual void onVoiceChannelStateChanged(const LLVoiceChannel::EState& old_state, const LLVoiceChannel::EState& new_state);
-
-	void updateButtons(LLVoiceChannel::EState state);
-	
-	// Enables/disables call button depending on voice availability
-	void updateCallButton();
-
 	virtual void setSessionId(const LLUUID& session_id);
 	const LLUUID& getSessionId() { return mSessionId; }
 
@@ -69,41 +52,6 @@ private:
 	boost::signals2::connection mVoiceChannelStateChangeConnection;
 };
 
-
-class LLPanelIMControlPanel : public LLPanelChatControlPanel, LLFriendObserver
-{
-public:
-	LLPanelIMControlPanel();
-	~LLPanelIMControlPanel();
-
-	BOOL postBuild();
-
-	void setSessionId(const LLUUID& session_id);
-
-	// LLFriendObserver trigger
-	virtual void changed(U32 mask);
-
-protected:
-	void onNameCache(const LLUUID& id, const std::string& full_name, bool is_group);
-
-private:
-	void onViewProfileButtonClicked();
-	void onAddFriendButtonClicked();
-	void onShareButtonClicked();
-	void onTeleportButtonClicked();
-	void onPayButtonClicked();
-	void onFocusReceived();
-
-	void onClickMuteVolume();
-	void onClickBlock();
-	void onClickUnblock();
-	/*virtual*/ void draw();
-	void onVolumeChange(const LLSD& data);
-
-	LLUUID mAvatarID;
-};
-
-
 class LLPanelGroupControlPanel : public LLPanelChatControlPanel
 {
 public:
@@ -121,9 +69,7 @@ protected:
 	LLParticipantList* mParticipantList;
 
 private:
-	void onGroupInfoButtonClicked();
 	void onSortMenuItemClicked(const LLSD& userdata);
-	/*virtual*/ void onVoiceChannelStateChanged(const LLVoiceChannel::EState& old_state, const LLVoiceChannel::EState& new_state);
 };
 
 class LLPanelAdHocControlPanel : public LLPanelGroupControlPanel
diff --git a/indra/newview/llpanellandmarks.cpp b/indra/newview/llpanellandmarks.cpp
index 68a3b6d1cd..469656c33f 100644
--- a/indra/newview/llpanellandmarks.cpp
+++ b/indra/newview/llpanellandmarks.cpp
@@ -52,6 +52,7 @@
 #include "llmenubutton.h"
 #include "llplacesinventorybridge.h"
 #include "llplacesinventorypanel.h"
+#include "llplacesfolderview.h"
 #include "lltoggleablemenu.h"
 #include "llviewermenu.h"
 #include "llviewerregion.h"
@@ -102,7 +103,7 @@ void LLCheckFolderState::doFolder(LLFolderViewFolder* folder)
 	// Counting only folders that pass the filter.
 	// The listener check allow us to avoid counting the folder view
 	// object itself because it has no listener assigned.
-	if (folder->hasFilteredDescendants() && folder->getListener())
+	if (folder->getViewModelItem()->descendantsPassedFilter())
 	{
 		if (folder->isOpen())
 		{
@@ -138,7 +139,7 @@ private:
 // virtual
 void LLOpenFolderByID::doFolder(LLFolderViewFolder* folder)
 {
-	if (folder->getListener() && folder->getListener()->getUUID() == mFolderID)
+	if (folder->getViewModelItem() && static_cast<LLFolderViewModelItemInventory*>(folder->getViewModelItem())->getUUID() == mFolderID)
 	{
 		if (!folder->isOpen())
 		{
@@ -177,7 +178,7 @@ void LLLandmarksPanelObserver::changed(U32 mask)
 	if (!mIsLibraryLandmarksOpen && library)
 	{
 		// Search for "Landmarks" folder in the Library and open it once on start up. See EXT-4827.
-		const LLUUID &landmarks_cat = gInventory.findCategoryUUIDForType(LLFolderType::FT_LANDMARK, false, true);
+		const LLUUID &landmarks_cat = gInventory.findLibraryCategoryUUIDForType(LLFolderType::FT_LANDMARK, false);
 		if (landmarks_cat.notNull())
 		{
 			LLOpenFolderByID opener(landmarks_cat);
@@ -247,10 +248,7 @@ void LLLandmarksPanel::onSearchEdit(const std::string& string)
 		LLPlacesInventoryPanel* inventory_list = dynamic_cast<LLPlacesInventoryPanel*>(tab->getAccordionView());
 		if (NULL == inventory_list) continue;
 
-		if (inventory_list->getFilter())
-		{
-			filter_list(inventory_list, string);
-		}
+		filter_list(inventory_list, string);
 	}
 
 	if (sFilterSubString != string)
@@ -281,28 +279,21 @@ void LLLandmarksPanel::onShowOnMap()
 //virtual
 void LLLandmarksPanel::onShowProfile()
 {
-	LLFolderViewItem* cur_item = getCurSelectedItem();
+	LLFolderViewModelItemInventory* cur_item = getCurSelectedViewModelItem();
 
 	if(!cur_item)
 		return;
 
-	cur_item->getListener()->performAction(mCurrentSelectedList->getModel(),"about");
+	cur_item->performAction(mCurrentSelectedList->getModel(),"about");
 }
 
 // virtual
 void LLLandmarksPanel::onTeleport()
 {
-	LLFolderViewItem* current_item = getCurSelectedItem();
-	if (!current_item)
-	{
-		llwarns << "There are no selected list. No actions are performed." << llendl;
-		return;
-	}
-
-	LLFolderViewEventListener* listenerp = current_item->getListener();
-	if (listenerp && listenerp->getInventoryType() == LLInventoryType::IT_LANDMARK)
+	LLFolderViewModelItemInventory* view_model_item = getCurSelectedViewModelItem();
+	if (view_model_item && view_model_item->getInventoryType() == LLInventoryType::IT_LANDMARK)
 	{
-		listenerp->openItem();
+		view_model_item->openItem();
 	}
 }
 
@@ -313,8 +304,7 @@ bool LLLandmarksPanel::isSingleItemSelected()
 
 	if (mCurrentSelectedList != NULL)
 	{
-		LLPlacesFolderView* root_view =
-				static_cast<LLPlacesFolderView*>(mCurrentSelectedList->getRootFolder());
+		LLFolderView* root_view = mCurrentSelectedList->getRootFolder();
 
 		if (root_view->getSelectedCount() == 1)
 		{
@@ -360,7 +350,7 @@ void LLLandmarksPanel::onSelectorButtonClicked()
 	LLFolderViewItem* cur_item = mFavoritesInventoryPanel->getRootFolder()->getCurSelectedItem();
 	if (!cur_item) return;
 
-	LLFolderViewEventListener* listenerp = cur_item->getListener();
+	LLFolderViewModelItemInventory* listenerp = static_cast<LLFolderViewModelItemInventory*>(cur_item->getViewModelItem());
 	if (listenerp->getInventoryType() == LLInventoryType::IT_LANDMARK)
 	{
 		LLSD key;
@@ -373,10 +363,7 @@ void LLLandmarksPanel::onSelectorButtonClicked()
 
 void LLLandmarksPanel::updateShowFolderState()
 {
-	if (!mLandmarksInventoryPanel->getFilter())
-		return;
-
-	bool show_all_folders = mLandmarksInventoryPanel->getRootFolder()->getFilterSubString().empty();
+	bool show_all_folders =   mLandmarksInventoryPanel->getFilterSubString().empty();
 	if (show_all_folders)
 	{
 		show_all_folders = category_has_descendents(mLandmarksInventoryPanel);
@@ -417,8 +404,9 @@ void LLLandmarksPanel::setItemSelected(const LLUUID& obj_id, BOOL take_keyboard_
 
 bool LLLandmarksPanel::isLandmarkSelected() const 
 {
-	LLFolderViewItem* current_item = getCurSelectedItem();
-	if(current_item && current_item->getListener()->getInventoryType() == LLInventoryType::IT_LANDMARK)
+	LLFolderViewModelItemInventory* current_item = getCurSelectedViewModelItem();
+
+	if(current_item && current_item->getInventoryType() == LLInventoryType::IT_LANDMARK)
 	{
 		return true;
 	}
@@ -440,10 +428,10 @@ bool LLLandmarksPanel::isReceivedFolderSelected() const
 
 void LLLandmarksPanel::doActionOnCurSelectedLandmark(LLLandmarkList::loaded_callback_t cb)
 {
-	LLFolderViewItem* cur_item = getCurSelectedItem();
-	if(cur_item && cur_item->getListener()->getInventoryType() == LLInventoryType::IT_LANDMARK)
+	LLFolderViewModelItemInventory* cur_item = getCurSelectedViewModelItem();
+	if(cur_item && cur_item->getInventoryType() == LLInventoryType::IT_LANDMARK)
 	{ 
-		LLLandmark* landmark = LLLandmarkActions::getLandmark(cur_item->getListener()->getUUID(), cb);
+		LLLandmark* landmark = LLLandmarkActions::getLandmark(cur_item->getUUID(), cb);
 		if (landmark)
 		{
 			cb(landmark);
@@ -456,6 +444,17 @@ LLFolderViewItem* LLLandmarksPanel::getCurSelectedItem() const
 	return mCurrentSelectedList ?  mCurrentSelectedList->getRootFolder()->getCurSelectedItem() : NULL;
 }
 
+LLFolderViewModelItemInventory* LLLandmarksPanel::getCurSelectedViewModelItem() const
+{
+	LLFolderViewItem* cur_item = getCurSelectedItem();
+	if (cur_item)
+	{
+		return 	static_cast<LLFolderViewModelItemInventory*>(cur_item->getViewModelItem());
+	}
+	return NULL;
+}
+
+
 LLFolderViewItem* LLLandmarksPanel::selectItemInAccordionTab(LLPlacesInventoryPanel* inventory_list,
 															 const std::string& tab_name,
 															 const LLUUID& obj_id,
@@ -466,7 +465,7 @@ LLFolderViewItem* LLLandmarksPanel::selectItemInAccordionTab(LLPlacesInventoryPa
 
 	LLFolderView* root = inventory_list->getRootFolder();
 
-	LLFolderViewItem* item = root->getItemByID(obj_id);
+	LLFolderViewItem* item = inventory_list->getItemByID(obj_id);
 	if (!item)
 		return NULL;
 
@@ -508,12 +507,12 @@ void LLLandmarksPanel::processParcelInfo(const LLParcelData& parcel_data)
 	// We have to make request to sever to get parcel_id and snaption_id. 
 	if(isLandmarkSelected())
 	{
-		LLFolderViewItem* cur_item = getCurSelectedItem();
+		LLFolderViewModelItemInventory* cur_item = getCurSelectedViewModelItem();
 		if (!cur_item) return;
-		LLUUID id = cur_item->getListener()->getUUID();
+		LLUUID id = cur_item->getUUID();
 		LLInventoryItem* inv_item = mCurrentSelectedList->getModel()->getItem(id);
 		doActionOnCurSelectedLandmark(boost::bind(
-				&LLLandmarksPanel::doProcessParcelInfo, this, _1, cur_item, inv_item, parcel_data));
+				&LLLandmarksPanel::doProcessParcelInfo, this, _1, getCurSelectedItem(), inv_item, parcel_data));
 	}
 }
 
@@ -543,7 +542,7 @@ void LLLandmarksPanel::initFavoritesInventoryPanel()
 	mFavoritesInventoryPanel = getChild<LLPlacesInventoryPanel>("favorites_list");
 
 	initLandmarksPanel(mFavoritesInventoryPanel);
-	mFavoritesInventoryPanel->getFilter()->setEmptyLookupMessage("FavoritesNoMatchingItems");
+	mFavoritesInventoryPanel->getFilter().setEmptyLookupMessage("FavoritesNoMatchingItems");
 
 	initAccordion("tab_favorites", mFavoritesInventoryPanel, true);
 }
@@ -554,12 +553,7 @@ void LLLandmarksPanel::initLandmarksInventoryPanel()
 
 	initLandmarksPanel(mLandmarksInventoryPanel);
 
-	// Check if mLandmarksInventoryPanel is properly initialized and has a Filter created.
-	// In case of a dummy widget getFilter() will return NULL.
-	if (mLandmarksInventoryPanel->getFilter())
-	{
-		mLandmarksInventoryPanel->setShowFolderState(LLInventoryFilter::SHOW_ALL_FOLDERS);
-	}
+	mLandmarksInventoryPanel->setShowFolderState(LLInventoryFilter::SHOW_ALL_FOLDERS);
 
 	// subscribe to have auto-rename functionality while creating New Folder
 	mLandmarksInventoryPanel->setSelectCallback(boost::bind(&LLInventoryPanel::onSelectionChange, mLandmarksInventoryPanel, _1, _2));
@@ -583,7 +577,7 @@ void LLLandmarksPanel::initLibraryInventoryPanel()
 	initLandmarksPanel(mLibraryInventoryPanel);
 
 	// We want to fetch only "Landmarks" category from the library.
-	const LLUUID &landmarks_cat = gInventory.findCategoryUUIDForType(LLFolderType::FT_LANDMARK, false, true);
+	const LLUUID &landmarks_cat = gInventory.findLibraryCategoryUUIDForType(LLFolderType::FT_LANDMARK, false);
 	if (landmarks_cat.notNull())
 	{
 		LLInventoryModelBackgroundFetch::instance().start(landmarks_cat);
@@ -595,12 +589,7 @@ void LLLandmarksPanel::initLibraryInventoryPanel()
 
 void LLLandmarksPanel::initLandmarksPanel(LLPlacesInventoryPanel* inventory_list)
 {
-	// In case of a dummy widget further we have no Folder View widget and no Filter,
-	// so further initialization leads to crash.
-	if (!inventory_list->getFilter())
-		return;
-
-	inventory_list->getFilter()->setEmptyLookupMessage("PlacesNoMatchingItems");
+	inventory_list->getFilter().setEmptyLookupMessage("PlacesNoMatchingItems");
 	inventory_list->setFilterTypes(0x1 << LLInventoryType::IT_LANDMARK);
 	inventory_list->setSelectCallback(boost::bind(&LLLandmarksPanel::onSelectionChange, this, inventory_list, _1, _2));
 
@@ -665,20 +654,20 @@ void LLLandmarksPanel::deselectOtherThan(const LLPlacesInventoryPanel* inventory
 {
 	if (inventory_list != mFavoritesInventoryPanel)
 	{
-		mFavoritesInventoryPanel->getRootFolder()->clearSelection();
+		mFavoritesInventoryPanel->clearSelection();
 	}
 
 	if (inventory_list != mLandmarksInventoryPanel)
 	{
-		mLandmarksInventoryPanel->getRootFolder()->clearSelection();
+		mLandmarksInventoryPanel->clearSelection();
 	}
 	if (inventory_list != mMyInventoryPanel)
 	{
-		mMyInventoryPanel->getRootFolder()->clearSelection();
+		mMyInventoryPanel->clearSelection();
 	}
 	if (inventory_list != mLibraryInventoryPanel)
 	{
-		mLibraryInventoryPanel->getRootFolder()->clearSelection();
+		mLibraryInventoryPanel->clearSelection();
 	}
 }
 
@@ -731,14 +720,9 @@ void LLLandmarksPanel::onActionsButtonClick()
 {
 	LLToggleableMenu* menu = mGearFolderMenu;
 
-	LLFolderViewItem* cur_item = NULL;
 	if(mCurrentSelectedList)
 	{
-		cur_item = mCurrentSelectedList->getRootFolder()->getCurSelectedItem();
-		if(!cur_item)
-			return;
-
-		LLFolderViewEventListener* listenerp = cur_item->getListener();
+		LLFolderViewModelItemInventory* listenerp = getCurSelectedViewModelItem();
 		if(!listenerp)
 			return;
 
@@ -776,6 +760,9 @@ void LLLandmarksPanel::onTrashButtonClick() const
 
 void LLLandmarksPanel::onAddAction(const LLSD& userdata) const
 {
+	LLFolderViewModelItemInventory* view_model = getCurSelectedViewModelItem();
+	LLFolderViewItem* item = getCurSelectedItem();
+
 	std::string command_name = userdata.asString();
 	if("add_landmark" == command_name)
 	{
@@ -791,24 +778,24 @@ void LLLandmarksPanel::onAddAction(const LLSD& userdata) const
 	} 
 	else if ("category" == command_name)
 	{
-		LLFolderViewItem* item = getCurSelectedItem();
 		if (item && mCurrentSelectedList == mLandmarksInventoryPanel)
 		{
-			LLFolderViewEventListener* folder_bridge = NULL;
-			if (item-> getListener()->getInventoryType()
+			LLFolderViewModelItem* folder_bridge = NULL;
+
+			if (view_model->getInventoryType()
 					== LLInventoryType::IT_LANDMARK)
 			{
 				// for a landmark get parent folder bridge
-				folder_bridge = item->getParentFolder()->getListener();
+				folder_bridge = item->getParentFolder()->getViewModelItem();
 			}
-			else if (item-> getListener()->getInventoryType()
+			else if (view_model->getInventoryType()
 					== LLInventoryType::IT_CATEGORY)
 			{
 				// for a folder get its own bridge
-				folder_bridge = item->getListener();
+				folder_bridge = view_model;
 			}
 
-			menu_create_inventory_item(mCurrentSelectedList->getRootFolder(),
+			menu_create_inventory_item(mCurrentSelectedList,
 					dynamic_cast<LLFolderBridge*> (folder_bridge), LLSD(
 							"category"), gInventory.findCategoryUUIDForType(
 							LLFolderType::FT_LANDMARK));
@@ -816,7 +803,7 @@ void LLLandmarksPanel::onAddAction(const LLSD& userdata) const
 		else
 		{
 			//in case My Landmarks tab is completely empty (thus cannot be determined as being selected)
-			menu_create_inventory_item(mLandmarksInventoryPanel->getRootFolder(), NULL, LLSD("category"), 
+			menu_create_inventory_item(mLandmarksInventoryPanel, NULL,  LLSD("category"), 
 				gInventory.findCategoryUUIDForType(LLFolderType::FT_LANDMARK));
 
 			if (mMyLandmarksAccordionTab)
@@ -834,9 +821,9 @@ void LLLandmarksPanel::onClipboardAction(const LLSD& userdata) const
 	std::string command_name = userdata.asString();
     if("copy_slurl" == command_name)
 	{
-    	LLFolderViewItem* cur_item = getCurSelectedItem();
+    	LLFolderViewModelItemInventory* cur_item = getCurSelectedViewModelItem();
 		if(cur_item)
-			LLLandmarkActions::copySLURLtoClipboard(cur_item->getListener()->getUUID());
+			LLLandmarkActions::copySLURLtoClipboard(cur_item->getUUID());
 	}
 	else if ( "paste" == command_name)
 	{
@@ -848,7 +835,7 @@ void LLLandmarksPanel::onClipboardAction(const LLSD& userdata) const
 	}
 	else
 	{
-		mCurrentSelectedList->getRootFolder()->doToSelected(mCurrentSelectedList->getModel(),command_name);
+		mCurrentSelectedList->doToSelected(command_name);
 	}
 }
 
@@ -893,7 +880,7 @@ void LLLandmarksPanel::onFoldingAction(const LLSD& userdata)
 	{
 		if(mCurrentSelectedList)
 		{
-			mCurrentSelectedList->getRootFolder()->doToSelected(&gInventory, userdata);
+			mCurrentSelectedList->doToSelected(userdata);
 		}
 	}
 }
@@ -915,8 +902,9 @@ bool LLLandmarksPanel::isActionEnabled(const LLSD& userdata) const
 {
 	std::string command_name = userdata.asString();
 
-	LLPlacesFolderView* root_folder_view = mCurrentSelectedList ?
-		static_cast<LLPlacesFolderView*>(mCurrentSelectedList->getRootFolder()) : NULL;
+	LLFolderView* root_folder_view = mCurrentSelectedList 
+		? mCurrentSelectedList->getRootFolder() 
+		: NULL;
 
 	if ("collapse_all" == command_name)
 	{
@@ -977,18 +965,13 @@ bool LLLandmarksPanel::isActionEnabled(const LLSD& userdata) const
 	{
 		if (!root_folder_view) return false;
 
-		std::set<LLUUID> selected_uuids = root_folder_view->getSelectionList();
+		std::set<LLFolderViewItem*> selected_uuids =    root_folder_view->getSelectionList();
 
 		// Allow to execute the command only if it can be applied to all selected items.
-		for (std::set<LLUUID>::const_iterator iter = selected_uuids.begin(); iter != selected_uuids.end(); ++iter)
+		for (std::set<LLFolderViewItem*>::const_iterator iter =    selected_uuids.begin(); iter != selected_uuids.end(); ++iter)
 		{
-			LLFolderViewItem* item = root_folder_view->getItemByID(*iter);
+			LLFolderViewItem* item = *iter;
 
-			// If no item is found it might be a folder id.
-			if (!item)
-			{
-				item = root_folder_view->getFolderByID(*iter);
-			}
 			if (!item) return false;
 
 			if (!canItemBeModified(command_name, item)) return false;
@@ -1012,10 +995,10 @@ bool LLLandmarksPanel::isActionEnabled(const LLSD& userdata) const
 
 		if ("show_on_map" == command_name)
 		{
-			LLFolderViewItem* cur_item = root_folder_view->getCurSelectedItem();
+			LLFolderViewModelItemInventory* cur_item = getCurSelectedViewModelItem();
 			if (!cur_item) return false;
 
-			LLViewerInventoryItem* inv_item = cur_item->getInventoryItem();
+			LLViewerInventoryItem* inv_item = dynamic_cast<LLViewerInventoryItem*>(cur_item->getInventoryObject());
 			if (!inv_item) return false;
 
 			LLUUID asset_uuid = inv_item->getAssetUUID();
@@ -1049,7 +1032,7 @@ bool LLLandmarksPanel::isActionEnabled(const LLSD& userdata) const
 	{
 		if (mCurrentSelectedList)
 		{
-			std::set<LLUUID> selection = mCurrentSelectedList->getRootFolder()->getSelectionList();
+			std::set<LLFolderViewItem*> selection =    mCurrentSelectedList->getRootFolder()->getSelectionList();
 			if (!selection.empty())
 			{
 				return ( 1 == selection.size() && !LLAgentPicksInfo::getInstance()->isPickLimitReached() );
@@ -1105,27 +1088,23 @@ void LLLandmarksPanel::onMenuVisibilityChange(LLUICtrl* ctrl, const LLSD& param)
 	{
 		const LLUUID trash_id = gInventory.findCategoryUUIDForType(LLFolderType::FT_TRASH);
 
-		std::set<LLUUID> selected_uuids = root_folder_view->getSelectionList();
+		std::set<LLFolderViewItem*> selected_items =    root_folder_view->getSelectionList();
 
 		// Iterate through selected items to find out if any of these items are in Trash
 		// or all the items are in Trash category.
-		for (std::set<LLUUID>::const_iterator iter = selected_uuids.begin(); iter != selected_uuids.end(); ++iter)
+		for (std::set<LLFolderViewItem*>::const_iterator iter =    selected_items.begin(); iter != selected_items.end(); ++iter)
 		{
-			LLFolderViewItem* item = root_folder_view->getItemByID(*iter);
+			LLFolderViewItem* item = *iter;
 
 			// If no item is found it might be a folder id.
-			if (!item)
-			{
-				item = root_folder_view->getFolderByID(*iter);
-			}
 			if (!item) continue;
 
-			LLFolderViewEventListener* listenerp = item->getListener();
+			LLFolderViewModelItemInventory* listenerp = static_cast<LLFolderViewModelItemInventory*>(item->getViewModelItem());
 			if(!listenerp) continue;
 
 			// Trash category itself should not be included because it can't be
 			// actually restored from trash.
-			are_all_items_in_trash &= listenerp->isItemInTrash() && *iter != trash_id;
+			are_all_items_in_trash &= listenerp->isItemInTrash() &&    listenerp->getUUID() != trash_id;
 
 			// If there are any selected items in Trash including the Trash category itself
 			// we show "Restore Item" in context menu and hide other irrelevant items.
@@ -1164,7 +1143,7 @@ bool LLLandmarksPanel::canItemBeModified(const std::string& command_name, LLFold
 	bool can_be_modified = false;
 
 	// landmarks can be modified in any other accordion...
-	if (item->getListener()->getInventoryType() == LLInventoryType::IT_LANDMARK)
+	if (static_cast<LLFolderViewModelItemInventory*>(item->getViewModelItem())->getInventoryType() == LLInventoryType::IT_LANDMARK)
 	{
 		can_be_modified = true;
 
@@ -1202,7 +1181,7 @@ bool LLLandmarksPanel::canItemBeModified(const std::string& command_name, LLFold
 
 	if (can_be_modified)
 	{
-		LLFolderViewEventListener* listenerp = item->getListener();
+		LLFolderViewModelItemInventory* listenerp = static_cast<LLFolderViewModelItemInventory*>(item->getViewModelItem());
 
 		if ("cut" == command_name)
 		{
@@ -1262,8 +1241,9 @@ bool LLLandmarksPanel::handleDragAndDropToTrash(BOOL drop, EDragAndDropType carg
 				LLInventoryItem* item = static_cast<LLInventoryItem*>(cargo_data);
 				if (item)
 				{
-					LLFolderViewItem* fv_item = (mCurrentSelectedList && mCurrentSelectedList->getRootFolder()) ?
-						mCurrentSelectedList->getRootFolder()->getItemByID(item->getUUID()) : NULL;
+					LLFolderViewItem* fv_item = mCurrentSelectedList
+						? mCurrentSelectedList->getItemByID(item->getUUID())
+						: NULL;
 
 					if (fv_item)
 					{
@@ -1391,7 +1371,7 @@ void LLLandmarksPanel::doCreatePick(LLLandmark* landmark)
 static void filter_list(LLPlacesInventoryPanel* inventory_list, const std::string& string)
 {
 	// When search is cleared, restore the old folder state.
-	if (!inventory_list->getRootFolder()->getFilterSubString().empty() && string == "")
+	if (!inventory_list->getFilterSubString().empty() && string == "")
 	{
 		inventory_list->setFilterSubString(LLStringUtil::null);
 		// Re-open folders that were open before
@@ -1405,7 +1385,7 @@ static void filter_list(LLPlacesInventoryPanel* inventory_list, const std::strin
 	}
 
 	// save current folder open state if no filter currently applied
-	if (inventory_list->getRootFolder()->getFilterSubString().empty())
+	if (inventory_list->getFilterSubString().empty())
 	{
 		inventory_list->saveFolderState();
 	}
diff --git a/indra/newview/llpanellandmarks.h b/indra/newview/llpanellandmarks.h
index b2f4e92473..aa5f69739d 100644
--- a/indra/newview/llpanellandmarks.h
+++ b/indra/newview/llpanellandmarks.h
@@ -44,6 +44,7 @@ class LLMenuGL;
 class LLToggleableMenu;
 class LLInventoryPanel;
 class LLPlacesInventoryPanel;
+class LLFolderViewModelItemInventory;
 
 class LLLandmarksPanel : public LLPanelPlacesTab, LLRemoteParcelInfoObserver
 {
@@ -87,6 +88,7 @@ protected:
 	bool isReceivedFolderSelected() const;
 	void doActionOnCurSelectedLandmark(LLLandmarkList::loaded_callback_t cb);
 	LLFolderViewItem* getCurSelectedItem() const;
+	LLFolderViewModelItemInventory* getCurSelectedViewModelItem() const;
 
 	/**
 	 * Selects item with "obj_id" in "inventory_list" and scrolls accordion
diff --git a/indra/newview/llpanelmaininventory.cpp b/indra/newview/llpanelmaininventory.cpp
index 9f3273da2d..35cb3d59c5 100644
--- a/indra/newview/llpanelmaininventory.cpp
+++ b/indra/newview/llpanelmaininventory.cpp
@@ -47,12 +47,14 @@
 #include "llresmgr.h"
 #include "llscrollcontainer.h"
 #include "llsdserialize.h"
+#include "llsdparam.h"
 #include "llspinctrl.h"
 #include "lltoggleablemenu.h"
 #include "lltooldraganddrop.h"
 #include "llviewermenu.h"
 #include "llviewertexturelist.h"
 #include "llsidepanelinventory.h"
+#include "llfolderview.h"
 
 const std::string FILTERS_FILENAME("filters.xml");
 
@@ -116,7 +118,7 @@ LLPanelMainInventory::LLPanelMainInventory(const LLPanel::Params& p)
 	mCommitCallbackRegistrar.add("Inventory.ShowFilters", boost::bind(&LLPanelMainInventory::toggleFindOptions, this));
 	mCommitCallbackRegistrar.add("Inventory.ResetFilters", boost::bind(&LLPanelMainInventory::resetFilters, this));
 	mCommitCallbackRegistrar.add("Inventory.SetSortBy", boost::bind(&LLPanelMainInventory::setSortBy, this, _2));
-	mCommitCallbackRegistrar.add("Inventory.Share",  boost::bind(&LLAvatarActions::shareWithAvatars));
+	mCommitCallbackRegistrar.add("Inventory.Share",  boost::bind(&LLAvatarActions::shareWithAvatars, this));
 
 	mSavedFolderState = new LLSaveFolderState();
 	mSavedFolderState->setApply(FALSE);
@@ -129,7 +131,7 @@ BOOL LLPanelMainInventory::postBuild()
 	mFilterTabs = getChild<LLTabContainer>("inventory filter tabs");
 	mFilterTabs->setCommitCallback(boost::bind(&LLPanelMainInventory::onFilterSelected, this));
 	
-	//panel->getFilter()->markDefault();
+	//panel->getFilter().markDefault();
 
 	// Set up the default inv. panel/filter settings.
 	mActivePanel = getChild<LLInventoryPanel>("All Items");
@@ -137,7 +139,7 @@ BOOL LLPanelMainInventory::postBuild()
 	{
 		// "All Items" is the previous only view, so it gets the InventorySortOrder
 		mActivePanel->setSortOrder(gSavedSettings.getU32(LLInventoryPanel::DEFAULT_SORT_ORDER));
-		mActivePanel->getFilter()->markDefault();
+		mActivePanel->getFilter().markDefault();
 		mActivePanel->getRootFolder()->applyFunctorRecursively(*mSavedFolderState);
 		mActivePanel->setSelectCallback(boost::bind(&LLPanelMainInventory::onSelectionChange, this, mActivePanel, _1, _2));
 		mResortActivePanel = true;
@@ -148,7 +150,7 @@ BOOL LLPanelMainInventory::postBuild()
 		recent_items_panel->setSinceLogoff(TRUE);
 		recent_items_panel->setSortOrder(LLInventoryFilter::SO_DATE);
 		recent_items_panel->setShowFolderState(LLInventoryFilter::SHOW_NON_EMPTY_FOLDERS);
-		recent_items_panel->getFilter()->markDefault();
+		recent_items_panel->getFilter().markDefault();
 		recent_items_panel->setSelectCallback(boost::bind(&LLPanelMainInventory::onSelectionChange, this, recent_items_panel, _1, _2));
 	}
 
@@ -167,11 +169,14 @@ BOOL LLPanelMainInventory::postBuild()
 		// Note that the "All Items" settings do not persist.
 		if(recent_items_panel)
 		{
-			if(savedFilterState.has(recent_items_panel->getFilter()->getName()))
+			if(savedFilterState.has(recent_items_panel->getFilter().getName()))
 			{
 				LLSD recent_items = savedFilterState.get(
-					recent_items_panel->getFilter()->getName());
-				recent_items_panel->getFilter()->fromLLSD(recent_items);
+					recent_items_panel->getFilter().getName());
+				LLInventoryFilter::Params p;
+				LLParamSDParser parser;
+				parser.readSD(recent_items, p);
+				recent_items_panel->getFilter().fromParams(p);
 			}
 		}
 
@@ -208,24 +213,28 @@ LLPanelMainInventory::~LLPanelMainInventory( void )
 	LLInventoryPanel* all_items_panel = getChild<LLInventoryPanel>("All Items");
 	if (all_items_panel)
 	{
-		LLInventoryFilter* filter = all_items_panel->getFilter();
-		if (filter)
+		LLSD filterState;
+		LLInventoryPanel::InventoryState p;
+		all_items_panel->getFilter().toParams(p.filter);
+		all_items_panel->getRootViewModel().getSorter().toParams(p.sort);
+		if (p.validateBlock(false))
 		{
-			LLSD filterState;
-			filter->toLLSD(filterState);
-			filterRoot[filter->getName()] = filterState;
+			LLParamSDParser().writeSD(filterState, p);
+			filterRoot[all_items_panel->getName()] = filterState;
 		}
 	}
 
-	LLInventoryPanel* recent_items_panel = getChild<LLInventoryPanel>("Recent Items");
-	if (recent_items_panel)
+	LLInventoryPanel* panel = findChild<LLInventoryPanel>("Recent Items");
+	if (panel)
 	{
-		LLInventoryFilter* filter = recent_items_panel->getFilter();
-		if (filter)
+		LLSD filterState;
+		LLInventoryPanel::InventoryState p;
+		panel->getFilter().toParams(p.filter);
+		panel->getRootViewModel().getSorter().toParams(p.sort);
+		if (p.validateBlock(false))
 		{
-			LLSD filterState;
-			filter->toLLSD(filterState);
-			filterRoot[filter->getName()] = filterState;
+			LLParamSDParser().writeSD(filterState, p);
+			filterRoot[panel->getName()] = filterState;
 		}
 	}
 
@@ -285,7 +294,7 @@ BOOL LLPanelMainInventory::handleKeyHere(KEY key, MASK mask)
 
 void LLPanelMainInventory::doToSelected(const LLSD& userdata)
 {
-	getPanel()->getRootFolder()->doToSelected(&gInventory, userdata);
+	getPanel()->doToSelected(userdata);
 }
 
 void LLPanelMainInventory::closeAllFolders()
@@ -307,13 +316,13 @@ void LLPanelMainInventory::newWindow()
 void LLPanelMainInventory::doCreate(const LLSD& userdata)
 {
 	reset_inventory_filter();
-	menu_create_inventory_item(getPanel()->getRootFolder(), NULL, userdata);
+	menu_create_inventory_item(getPanel(), NULL, userdata);
 }
 
 void LLPanelMainInventory::resetFilters()
 {
 	LLFloaterInventoryFinder *finder = getFinder();
-	getActivePanel()->getFilter()->resetDefault();
+	getActivePanel()->getFilter().resetDefault();
 	if (finder)
 	{
 		finder->updateElementsFromFilter();
@@ -418,7 +427,7 @@ void LLPanelMainInventory::onFilterEdit(const std::string& search_string )
 	}
 
 	// save current folder open state if no filter currently applied
-	if (!mActivePanel->getRootFolder()->isFilterModified())
+	if (!mActivePanel->getFilter().isNotDefault())
 	{
 		mSavedFolderState->setApply(FALSE);
 		mActivePanel->getRootFolder()->applyFunctorRecursively(*mSavedFolderState);
@@ -480,13 +489,13 @@ void LLPanelMainInventory::onFilterSelected()
 	}
 
 	setFilterSubString(mFilterSubString);
-	LLInventoryFilter* filter = mActivePanel->getFilter();
+	LLInventoryFilter& filter = mActivePanel->getFilter();
 	LLFloaterInventoryFinder *finder = getFinder();
 	if (finder)
 	{
-		finder->changeFilter(filter);
+		finder->changeFilter(&filter);
 	}
-	if (filter->isActive())
+	if (filter.isActive())
 	{
 		// If our filter is active we may be the first thing requiring a fetch so we better start it here.
 		LLInventoryModelBackgroundFetch::instance().start();
@@ -599,7 +608,7 @@ void LLPanelMainInventory::onFocusReceived()
 
 void LLPanelMainInventory::setFilterTextFromFilter() 
 { 
-	mFilterText = mActivePanel->getFilter()->getFilterText(); 
+	mFilterText = mActivePanel->getFilter().getFilterText(); 
 }
 
 void LLPanelMainInventory::toggleFindOptions()
@@ -649,7 +658,7 @@ LLFloaterInventoryFinder* LLPanelMainInventory::getFinder()
 LLFloaterInventoryFinder::LLFloaterInventoryFinder(LLPanelMainInventory* inventory_view) :	
 	LLFloater(LLSD()),
 	mPanelMainInventory(inventory_view),
-	mFilter(inventory_view->getPanel()->getFilter())
+	mFilter(&inventory_view->getPanel()->getFilter())
 {
 	buildFromFile("floater_inventory_view_finder.xml");
 	updateElementsFromFilter();
@@ -962,7 +971,7 @@ void LLPanelMainInventory::onTrashButtonClick()
 void LLPanelMainInventory::onClipboardAction(const LLSD& userdata)
 {
 	std::string command_name = userdata.asString();
-	getActivePanel()->getRootFolder()->doToSelected(getActivePanel()->getModel(),command_name);
+	getActivePanel()->doToSelected(command_name);
 }
 
 void LLPanelMainInventory::saveTexture(const LLSD& userdata)
@@ -973,7 +982,7 @@ void LLPanelMainInventory::saveTexture(const LLSD& userdata)
 		return;
 	}
 	
-	const LLUUID& item_id = current_item->getListener()->getUUID();
+	const LLUUID& item_id = static_cast<LLFolderViewModelItemInventory*>(current_item->getViewModelItem())->getUUID();
 	LLPreviewTexture* preview_texture = LLFloaterReg::showTypedInstance<LLPreviewTexture>("preview_texture", LLSD(item_id), TAKE_FOCUS_YES);
 	if (preview_texture)
 	{
@@ -1046,7 +1055,7 @@ void LLPanelMainInventory::onCustomAction(const LLSD& userdata)
 		{
 			return;
 		}
-		const LLUUID item_id = current_item->getListener()->getUUID();
+		const LLUUID item_id = static_cast<LLFolderViewModelItemInventory*>(current_item->getViewModelItem())->getUUID();
 		LLViewerInventoryItem *item = gInventory.getItem(item_id);
 		if (item)
 		{
@@ -1061,7 +1070,7 @@ void LLPanelMainInventory::onCustomAction(const LLSD& userdata)
 		{
 			return;
 		}
-		current_item->getListener()->performAction(getActivePanel()->getModel(), "goto");
+		static_cast<LLFolderViewModelItemInventory*>(current_item->getViewModelItem())->performAction(getActivePanel()->getModel(), "goto");
 	}
 
 	if (command_name == "find_links")
@@ -1071,17 +1080,17 @@ void LLPanelMainInventory::onCustomAction(const LLSD& userdata)
 		{
 			return;
 		}
-		const LLUUID& item_id = current_item->getListener()->getUUID();
-		const std::string &item_name = current_item->getListener()->getName();
+		const LLUUID& item_id = static_cast<LLFolderViewModelItemInventory*>(current_item->getViewModelItem())->getUUID();
+		const std::string &item_name = current_item->getViewModelItem()->getName();
 		mFilterSubString = item_name;
-		LLInventoryFilter *filter = mActivePanel->getFilter();
-		filter->setFilterSubString(item_name);
+		LLInventoryFilter &filter = mActivePanel->getFilter();
+		filter.setFilterSubString(item_name);
 		mFilterEditor->setText(item_name);
 
 		mFilterEditor->setFocus(TRUE);
-		filter->setFilterUUID(item_id);
-		filter->setShowFolderState(LLInventoryFilter::SHOW_NON_EMPTY_FOLDERS);
-		filter->setFilterLinks(LLInventoryFilter::FILTERLINK_ONLY_LINKS);
+		filter.setFilterUUID(item_id);
+		filter.setShowFolderState(LLInventoryFilter::SHOW_NON_EMPTY_FOLDERS);
+		filter.setFilterLinks(LLInventoryFilter::FILTERLINK_ONLY_LINKS);
 	}
 }
 
@@ -1090,11 +1099,11 @@ bool LLPanelMainInventory::isSaveTextureEnabled(const LLSD& userdata)
 	LLFolderViewItem* current_item = getActivePanel()->getRootFolder()->getCurSelectedItem();
 	if (current_item) 
 	{
-		LLViewerInventoryItem *inv_item = current_item->getInventoryItem();
+		LLViewerInventoryItem *inv_item = dynamic_cast<LLViewerInventoryItem*>(static_cast<LLFolderViewModelItemInventory*>(current_item->getViewModelItem())->getInventoryObject());
 		if(inv_item)
 		{
 			bool can_save = inv_item->checkPermissionsSet(PERM_ITEM_UNRESTRICTED);
-			LLInventoryType::EType curr_type = current_item->getListener()->getInventoryType();
+			LLInventoryType::EType curr_type = static_cast<LLFolderViewModelItemInventory*>(current_item->getViewModelItem())->getInventoryType();
 			return can_save && (curr_type == LLInventoryType::IT_TEXTURE || curr_type == LLInventoryType::IT_SNAPSHOT);
 		}
 	}
@@ -1111,15 +1120,14 @@ BOOL LLPanelMainInventory::isActionEnabled(const LLSD& userdata)
 		if (root)
 		{
 			can_delete = TRUE;
-			std::set<LLUUID> selection_set = root->getSelectionList();
+			std::set<LLFolderViewItem*> selection_set = root->getSelectionList();
 			if (selection_set.empty()) return FALSE;
-			for (std::set<LLUUID>::iterator iter = selection_set.begin();
+			for (std::set<LLFolderViewItem*>::iterator iter =    selection_set.begin();
 				 iter != selection_set.end();
 				 ++iter)
 			{
-				const LLUUID &item_id = (*iter);
-				LLFolderViewItem *item = root->getItemByID(item_id);
-				const LLFolderViewEventListener *listener = item->getListener();
+				LLFolderViewItem *item = *iter;
+				const LLFolderViewModelItemInventory *listener = static_cast<const LLFolderViewModelItemInventory*>(item->getViewModelItem());
 				llassert(listener);
 				if (!listener) return FALSE;
 				can_delete &= listener->isItemRemovable();
@@ -1137,7 +1145,7 @@ BOOL LLPanelMainInventory::isActionEnabled(const LLSD& userdata)
 	{
 		LLFolderViewItem* current_item = getActivePanel()->getRootFolder()->getCurSelectedItem();
 		if (!current_item) return FALSE;
-		const LLUUID& item_id = current_item->getListener()->getUUID();
+		const LLUUID& item_id = static_cast<LLFolderViewModelItemInventory*>(current_item->getViewModelItem())->getUUID();
 		const LLViewerInventoryItem *item = gInventory.getItem(item_id);
 		if (item && item->getIsLinkType() && !item->getIsBrokenLink())
 		{
@@ -1149,11 +1157,11 @@ BOOL LLPanelMainInventory::isActionEnabled(const LLSD& userdata)
 	if (command_name == "find_links")
 	{
 		LLFolderView* root = getActivePanel()->getRootFolder();
-		std::set<LLUUID> selection_set = root->getSelectionList();
+		std::set<LLFolderViewItem*> selection_set = root->getSelectionList();
 		if (selection_set.size() != 1) return FALSE;
 		LLFolderViewItem* current_item = root->getCurSelectedItem();
 		if (!current_item) return FALSE;
-		const LLUUID& item_id = current_item->getListener()->getUUID();
+		const LLUUID& item_id = static_cast<LLFolderViewModelItemInventory*>(current_item->getViewModelItem())->getUUID();
 		const LLInventoryObject *obj = gInventory.getObject(item_id);
 		if (obj && !obj->getIsLinkType() && LLAssetType::lookupCanLink(obj->getType()))
 		{
@@ -1166,7 +1174,7 @@ BOOL LLPanelMainInventory::isActionEnabled(const LLSD& userdata)
 	{
 		LLFolderViewItem* current_item = getActivePanel()->getRootFolder()->getCurSelectedItem();
 		if (!current_item) return FALSE;
-		const LLUUID& item_id = current_item->getListener()->getUUID();
+		const LLUUID& item_id = static_cast<LLFolderViewModelItemInventory*>(current_item->getViewModelItem())->getUUID();
 		const LLViewerInventoryItem *item = gInventory.getItem(item_id);
 		if (item && item->getIsBrokenLink())
 		{
diff --git a/indra/newview/llpanelmarketplaceinbox.cpp b/indra/newview/llpanelmarketplaceinbox.cpp
index 5d75375847..dcecce6fe4 100644
--- a/indra/newview/llpanelmarketplaceinbox.cpp
+++ b/indra/newview/llpanelmarketplaceinbox.cpp
@@ -94,14 +94,14 @@ LLInventoryPanel * LLPanelMarketplaceInbox::setupInventoryPanel()
 	mInventoryPanel->setShape(inventory_placeholder_rect);
 	
 	// Set the sort order newest to oldest
-	mInventoryPanel->setSortOrder(LLInventoryFilter::SO_DATE);	
-	mInventoryPanel->getFilter()->markDefault();
+	mInventoryPanel->getFolderViewModel()->setSorter(LLInventoryFilter::SO_DATE);
+	mInventoryPanel->getFilter().markDefault();
 
 	// Set selection callback for proper update of inventory status buttons
 	mInventoryPanel->setSelectCallback(boost::bind(&LLPanelMarketplaceInbox::onSelectionChange, this));
 
 	// Set up the note to display when the inbox is empty
-	mInventoryPanel->getFilter()->setEmptyLookupMessage("InventoryInboxNoItems");
+	mInventoryPanel->getFilter().setEmptyLookupMessage("InventoryInboxNoItems");
 	
 	// Hide the placeholder text
 	inbox_inventory_placeholder->setVisible(FALSE);
@@ -128,7 +128,6 @@ BOOL LLPanelMarketplaceInbox::handleDragAndDrop(S32 x, S32 y, MASK mask, BOOL dr
 
 U32 LLPanelMarketplaceInbox::getFreshItemCount() const
 {
-#if SUPPORTING_FRESH_ITEM_COUNT
 	
 	//
 	// NOTE: When turning this on, be sure to test the no inbox/outbox case because this code probably
@@ -139,7 +138,7 @@ U32 LLPanelMarketplaceInbox::getFreshItemCount() const
 
 	if (mInventoryPanel)
 	{
-		const LLFolderViewFolder * inbox_folder = mInventoryPanel->getRootFolder();
+		LLFolderViewFolder * inbox_folder = mInventoryPanel->getRootFolder();
 		
 		if (inbox_folder)
 		{
@@ -174,9 +173,6 @@ U32 LLPanelMarketplaceInbox::getFreshItemCount() const
 	}
 
 	return fresh_item_count;
-#else
-	return getTotalItemCount();
-#endif
 }
 
 U32 LLPanelMarketplaceInbox::getTotalItemCount() const
@@ -231,7 +227,6 @@ void LLPanelMarketplaceInbox::draw()
 		args["[NUM]"] = item_count_str;
 		mInboxButton->setLabel(getString("InboxLabelWithArg", args));
 
-#if SUPPORTING_FRESH_ITEM_COUNT
 		// set green text to fresh item count
 		U32 fresh_item_count = getFreshItemCount();
 		mFreshCountCtrl->setVisible((fresh_item_count > 0));
@@ -240,9 +235,6 @@ void LLPanelMarketplaceInbox::draw()
 		{
 			mFreshCountCtrl->setTextArg("[NUM]", llformat("%d", fresh_item_count));
 		}
-#else
-		mFreshCountCtrl->setVisible(FALSE);
-#endif
 	}
 	else
 	{
diff --git a/indra/newview/llpanelmarketplaceinboxinventory.cpp b/indra/newview/llpanelmarketplaceinboxinventory.cpp
index 678e4f2843..adfb2dee86 100644
--- a/indra/newview/llpanelmarketplaceinboxinventory.cpp
+++ b/indra/newview/llpanelmarketplaceinboxinventory.cpp
@@ -29,7 +29,8 @@
 #include "llpanelmarketplaceinboxinventory.h"
 
 #include "llfolderview.h"
-#include "llfoldervieweventlistener.h"
+#include "llfolderviewitem.h"
+#include "llfolderviewmodel.h"
 #include "llinventorybridge.h"
 #include "llinventoryfunctions.h"
 #include "llpanellandmarks.h"
@@ -39,6 +40,8 @@
 
 #define DEBUGGING_FRESHNESS	0
 
+const LLColor4U DEFAULT_WHITE(255, 255, 255);
+
 //
 // statics
 //
@@ -53,107 +56,42 @@ static LLDefaultChildRegistry::Register<LLInboxFolderViewItem> r3("inbox_folder_
 //
 
 LLInboxInventoryPanel::LLInboxInventoryPanel(const LLInboxInventoryPanel::Params& p)
-	: LLInventoryPanel(p)
-{
-}
+:	LLInventoryPanel(p)
+{}
 
 LLInboxInventoryPanel::~LLInboxInventoryPanel()
-{
-}
-
-// virtual
-void LLInboxInventoryPanel::buildFolderView(const LLInventoryPanel::Params& params)
-{
-	// Determine the root folder in case specified, and
-	// build the views starting with that folder.
-	
-	LLUUID root_id = gInventory.findCategoryUUIDForType(LLFolderType::FT_INBOX, false, false);
-	
-	// leslie -- temporary HACK to work around sim not creating inbox with proper system folder type
-	if (root_id.isNull())
-	{
-		std::string start_folder_name(params.start_folder());
-		
-		LLInventoryModel::cat_array_t* cats;
-		LLInventoryModel::item_array_t* items;
-		
-		gInventory.getDirectDescendentsOf(gInventory.getRootFolderID(), cats, items);
-		
-		if (cats)
-		{
-			for (LLInventoryModel::cat_array_t::const_iterator cat_it = cats->begin(); cat_it != cats->end(); ++cat_it)
-			{
-				LLInventoryCategory* cat = *cat_it;
-				
-				if (cat->getName() == start_folder_name)
-				{
-					root_id = cat->getUUID();
-					break;
-				}
-			}
-		}
-		
-		if (root_id == LLUUID::null)
-		{
-			llwarns << "No category found that matches inbox inventory panel start_folder: " << start_folder_name << llendl;
-		}
-	}
-	// leslie -- end temporary HACK
-	
-	if (root_id == LLUUID::null)
-	{
-		llwarns << "Inbox inventory panel has no root folder!" << llendl;
-		root_id = LLUUID::generateNewID();
-	}
-	
-	LLInvFVBridge* new_listener = mInvFVBridgeBuilder->createBridge(LLAssetType::AT_CATEGORY,
-																	LLAssetType::AT_CATEGORY,
-																	LLInventoryType::IT_CATEGORY,
-																	this,
-																	NULL,
-																	root_id);
-	
-	mFolderRoot = createFolderView(new_listener, params.use_label_suffix());
-}
+{}
 
 LLFolderViewFolder * LLInboxInventoryPanel::createFolderViewFolder(LLInvFVBridge * bridge)
 {
+	LLUIColor item_color = LLUIColorTable::instance().getColor("MenuItemEnabledColor", DEFAULT_WHITE);
+
 	LLInboxFolderViewFolder::Params params;
 	
 	params.name = bridge->getDisplayName();
-	params.icon = bridge->getIcon();
-	params.icon_open = bridge->getOpenIcon();
-	
-	if (mShowItemLinkOverlays) // if false, then links show up just like normal items
-	{
-		params.icon_overlay = LLUI::getUIImage("Inv_Link");
-	}
-	
 	params.root = mFolderRoot;
 	params.listener = bridge;
 	params.tool_tip = params.name;
+	params.font_color = item_color;
+	params.font_highlight_color = item_color;
 	
 	return LLUICtrlFactory::create<LLInboxFolderViewFolder>(params);
 }
 
 LLFolderViewItem * LLInboxInventoryPanel::createFolderViewItem(LLInvFVBridge * bridge)
 {
+	LLUIColor item_color = LLUIColorTable::instance().getColor("MenuItemEnabledColor", DEFAULT_WHITE);
+
 	LLInboxFolderViewItem::Params params;
 
 	params.name = bridge->getDisplayName();
-	params.icon = bridge->getIcon();
-	params.icon_open = bridge->getOpenIcon();
-
-	if (mShowItemLinkOverlays) // if false, then links show up just like normal items
-	{
-		params.icon_overlay = LLUI::getUIImage("Inv_Link");
-	}
-
 	params.creation_date = bridge->getCreationDate();
 	params.root = mFolderRoot;
 	params.listener = bridge;
 	params.rect = LLRect (0, 0, 0, 0);
 	params.tool_tip = params.name;
+	params.font_color = item_color;
+	params.font_highlight_color = item_color;
 
 	return LLUICtrlFactory::create<LLInboxFolderViewItem>(params);
 }
@@ -163,26 +101,40 @@ LLFolderViewItem * LLInboxInventoryPanel::createFolderViewItem(LLInvFVBridge * b
 //
 
 LLInboxFolderViewFolder::LLInboxFolderViewFolder(const Params& p)
-	: LLFolderViewFolder(p)
-	, LLBadgeOwner(getHandle())
-	, mFresh(false)
+:	LLFolderViewFolder(p),
+	LLBadgeOwner(getHandle()),
+	mFresh(false)
 {
-#if SUPPORTING_FRESH_ITEM_COUNT
 	initBadgeParams(p.new_badge());
-#endif
+}
+
+void LLInboxFolderViewFolder::addItem(LLFolderViewItem* item)
+{
+    LLFolderViewFolder::addItem(item);
+
+    if(item)
+    {
+        LLInvFVBridge* itemBridge = static_cast<LLInvFVBridge*>(item->getViewModelItem());
+        LLFolderBridge * bridge = static_cast<LLFolderBridge *>(getViewModelItem());
+        bridge->updateHierarchyCreationDate(itemBridge->getCreationDate());
+    }
+
+    // Compute freshness if our parent is the root folder for the inbox
+    if (mParentFolder == mRoot)
+    {
+        computeFreshness();
+    }
 }
 
 // virtual
 void LLInboxFolderViewFolder::draw()
 {
-#if SUPPORTING_FRESH_ITEM_COUNT
 	if (!badgeHasParent())
 	{
 		addBadgeToParentPanel();
 	}
 	
 	setBadgeVisibility(mFresh);
-#endif
 
 	LLFolderViewFolder::draw();
 }
@@ -207,7 +159,7 @@ void LLInboxFolderViewFolder::computeFreshness()
 
 	if (last_expansion_utc > 0)
 	{
-		mFresh = (mCreationDate > last_expansion_utc);
+		mFresh = (static_cast<LLFolderViewModelItemInventory*>(getViewModelItem())->getCreationDate() > last_expansion_utc);
 
 #if DEBUGGING_FRESHNESS
 		if (mFresh)
@@ -229,16 +181,6 @@ void LLInboxFolderViewFolder::deFreshify()
 	gSavedPerAccountSettings.setU32("LastInventoryInboxActivity", time_corrected());
 }
 
-void LLInboxFolderViewFolder::setCreationDate(time_t creation_date_utc)
-{ 
-	mCreationDate = creation_date_utc; 
-
-	if (mParentFolder == mRoot)
-	{
-		computeFreshness();
-	}
-}
-
 //
 // LLInboxFolderViewItem Implementation
 //
@@ -248,24 +190,18 @@ LLInboxFolderViewItem::LLInboxFolderViewItem(const Params& p)
 	, LLBadgeOwner(getHandle())
 	, mFresh(false)
 {
-#if SUPPORTING_FRESH_ITEM_COUNT
 	initBadgeParams(p.new_badge());
-#endif
 }
 
-BOOL LLInboxFolderViewItem::addToFolder(LLFolderViewFolder* folder, LLFolderView* root)
+void LLInboxFolderViewItem::addToFolder(LLFolderViewFolder* folder)
 {
-	BOOL retval = LLFolderViewItem::addToFolder(folder, root);
+	LLFolderViewItem::addToFolder(folder);
 
-#if SUPPORTING_FRESH_ITEM_COUNT
 	// Compute freshness if our parent is the root folder for the inbox
 	if (mParentFolder == mRoot)
 	{
 		computeFreshness();
 	}
-#endif
-	
-	return retval;
 }
 
 BOOL LLInboxFolderViewItem::handleDoubleClick(S32 x, S32 y, MASK mask)
@@ -278,14 +214,12 @@ BOOL LLInboxFolderViewItem::handleDoubleClick(S32 x, S32 y, MASK mask)
 // virtual
 void LLInboxFolderViewItem::draw()
 {
-#if SUPPORTING_FRESH_ITEM_COUNT
 	if (!badgeHasParent())
 	{
 		addBadgeToParentPanel();
 	}
 
 	setBadgeVisibility(mFresh);
-#endif
 
 	LLFolderViewItem::draw();
 }
@@ -303,7 +237,7 @@ void LLInboxFolderViewItem::computeFreshness()
 
 	if (last_expansion_utc > 0)
 	{
-		mFresh = (mCreationDate > last_expansion_utc);
+		mFresh = (static_cast<LLFolderViewModelItemInventory*>(getViewModelItem())->getCreationDate() > last_expansion_utc);
 
 #if DEBUGGING_FRESHNESS
 		if (mFresh)
diff --git a/indra/newview/llpanelmarketplaceinboxinventory.h b/indra/newview/llpanelmarketplaceinboxinventory.h
index d6b827ee3e..c05e18c300 100644
--- a/indra/newview/llpanelmarketplaceinboxinventory.h
+++ b/indra/newview/llpanelmarketplaceinboxinventory.h
@@ -33,7 +33,6 @@
 #include "llfolderviewitem.h"
 
 
-#define SUPPORTING_FRESH_ITEM_COUNT	1
 
 
 
@@ -47,9 +46,6 @@ public:
 	~LLInboxInventoryPanel();
 
 	// virtual
-	void buildFolderView(const LLInventoryPanel::Params& params);
-
-	// virtual
 	LLFolderViewFolder * createFolderViewFolder(LLInvFVBridge * bridge);
 	LLFolderViewItem * createFolderViewItem(LLInvFVBridge * bridge);
 };
@@ -63,13 +59,13 @@ public:
 		Optional<LLBadge::Params>	new_badge;
 		
 		Params()
-		: new_badge("new_badge")
-		{
-		}
+		:	new_badge("new_badge")
+		{}
 	};
 	
 	LLInboxFolderViewFolder(const Params& p);
 	
+    void addItem(LLFolderViewItem* item);
 	void draw();
 	
 	void selectItem();
@@ -81,8 +77,6 @@ public:
 	bool isFresh() const { return mFresh; }
 	
 protected:
-	void setCreationDate(time_t creation_date_utc);
-
 	bool mFresh;
 };
 
@@ -95,14 +89,13 @@ public:
 		Optional<LLBadge::Params>	new_badge;
 
 		Params()
-			: new_badge("new_badge")
-		{
-		}
+		:	new_badge("new_badge")
+		{}
 	};
 
 	LLInboxFolderViewItem(const Params& p);
 
-	BOOL addToFolder(LLFolderViewFolder* folder, LLFolderView* root);
+	void addToFolder(LLFolderViewFolder* folder);
 	BOOL handleDoubleClick(S32 x, S32 y, MASK mask);
 
 	void draw();
diff --git a/indra/newview/llpanelmarketplaceoutboxinventory.cpp b/indra/newview/llpanelmarketplaceoutboxinventory.cpp
deleted file mode 100644
index ff62cb23db..0000000000
--- a/indra/newview/llpanelmarketplaceoutboxinventory.cpp
+++ /dev/null
@@ -1,156 +0,0 @@
-/** 
- * @file llpanelmarketplaceoutboxinventory.cpp
- * @brief LLOutboxInventoryPanel  class definition
- *
- * $LicenseInfo:firstyear=2009&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#include "llviewerprecompiledheaders.h"
-
-#include "llpanelmarketplaceoutboxinventory.h"
-
-#include "llfolderview.h"
-#include "llfoldervieweventlistener.h"
-#include "llinventorybridge.h"
-#include "llinventoryfunctions.h"
-#include "llpanellandmarks.h"
-#include "llplacesinventorybridge.h"
-#include "lltrans.h"
-#include "llviewerfoldertype.h"
-
-
-//
-// statics
-//
-
-static LLDefaultChildRegistry::Register<LLOutboxInventoryPanel> r1("outbox_inventory_panel");
-static LLDefaultChildRegistry::Register<LLOutboxFolderViewFolder> r2("outbox_folder_view_folder");
-
-
-//
-// LLOutboxInventoryPanel Implementation
-//
-
-LLOutboxInventoryPanel::LLOutboxInventoryPanel(const LLOutboxInventoryPanel::Params& p)
-	: LLInventoryPanel(p)
-{
-}
-
-LLOutboxInventoryPanel::~LLOutboxInventoryPanel()
-{
-}
-
-// virtual
-void LLOutboxInventoryPanel::buildFolderView(const LLInventoryPanel::Params& params)
-{
-	// Determine the root folder in case specified, and
-	// build the views starting with that folder.
-	
-	LLUUID root_id = gInventory.findCategoryUUIDForType(LLFolderType::FT_OUTBOX, false, false);
-	
-	if (root_id == LLUUID::null)
-	{
-		llwarns << "Outbox inventory panel has no root folder!" << llendl;
-		root_id = LLUUID::generateNewID();
-	}
-	
-	LLInvFVBridge* new_listener = mInvFVBridgeBuilder->createBridge(LLAssetType::AT_CATEGORY,
-																	LLAssetType::AT_CATEGORY,
-																	LLInventoryType::IT_CATEGORY,
-																	this,
-																	NULL,
-																	root_id);
-	
-	mFolderRoot = createFolderView(new_listener, params.use_label_suffix());
-}
-
-LLFolderViewFolder * LLOutboxInventoryPanel::createFolderViewFolder(LLInvFVBridge * bridge)
-{
-	LLOutboxFolderViewFolder::Params params;
-	
-	params.name = bridge->getDisplayName();
-	params.icon = bridge->getIcon();
-	params.icon_open = bridge->getOpenIcon();
-	
-	if (mShowItemLinkOverlays) // if false, then links show up just like normal items
-	{
-		params.icon_overlay = LLUI::getUIImage("Inv_Link");
-	}
-	
-	params.root = mFolderRoot;
-	params.listener = bridge;
-	params.tool_tip = params.name;
-	
-	return LLUICtrlFactory::create<LLOutboxFolderViewFolder>(params);
-}
-
-LLFolderViewItem * LLOutboxInventoryPanel::createFolderViewItem(LLInvFVBridge * bridge)
-{
-	LLFolderViewItem::Params params;
-
-	params.name = bridge->getDisplayName();
-	params.icon = bridge->getIcon();
-	params.icon_open = bridge->getOpenIcon();
-
-	if (mShowItemLinkOverlays) // if false, then links show up just like normal items
-	{
-		params.icon_overlay = LLUI::getUIImage("Inv_Link");
-	}
-
-	params.creation_date = bridge->getCreationDate();
-	params.root = mFolderRoot;
-	params.listener = bridge;
-	params.rect = LLRect (0, 0, 0, 0);
-	params.tool_tip = params.name;
-
-	return LLUICtrlFactory::create<LLOutboxFolderViewItem>(params);
-}
-
-//
-// LLOutboxFolderViewFolder Implementation
-//
-
-LLOutboxFolderViewFolder::LLOutboxFolderViewFolder(const Params& p)
-	: LLFolderViewFolder(p)
-{
-}
-
-//
-// LLOutboxFolderViewItem Implementation
-//
-
-LLOutboxFolderViewItem::LLOutboxFolderViewItem(const Params& p)
-	: LLFolderViewItem(p)
-{
-}
-
-BOOL LLOutboxFolderViewItem::handleDoubleClick(S32 x, S32 y, MASK mask)
-{
-	return TRUE;
-}
-
-void LLOutboxFolderViewItem::openItem()
-{
-	// Intentionally do nothing to block attaching items from the outbox
-}
-
-// eof
diff --git a/indra/newview/llpanelmarketplaceoutboxinventory.h b/indra/newview/llpanelmarketplaceoutboxinventory.h
deleted file mode 100644
index a6c522b7c2..0000000000
--- a/indra/newview/llpanelmarketplaceoutboxinventory.h
+++ /dev/null
@@ -1,78 +0,0 @@
-/** 
- * @file llpanelmarketplaceoutboxinventory.h
- * @brief LLOutboxInventoryPanel class declaration
- *
- * $LicenseInfo:firstyear=2009&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#ifndef LL_OUTBOXINVENTORYPANEL_H
-#define LL_OUTBOXINVENTORYPANEL_H
-
-
-#include "llinventorypanel.h"
-#include "llfolderviewitem.h"
-
-
-class LLOutboxInventoryPanel : public LLInventoryPanel
-{
-public:
-	struct Params : public LLInitParam::Block<Params, LLInventoryPanel::Params>
-	{
-		Params() {}
-	};
-	
-	LLOutboxInventoryPanel(const Params& p);
-	~LLOutboxInventoryPanel();
-
-	// virtual
-	void buildFolderView(const LLInventoryPanel::Params& params);
-
-	// virtual
-	LLFolderViewFolder *	createFolderViewFolder(LLInvFVBridge * bridge);
-	LLFolderViewItem *		createFolderViewItem(LLInvFVBridge * bridge);
-};
-
-
-class LLOutboxFolderViewFolder : public LLFolderViewFolder
-{
-public:
-	struct Params : public LLInitParam::Block<Params, LLFolderViewFolder::Params>
-	{
-		Params() {}
-	};
-	
-	LLOutboxFolderViewFolder(const Params& p);
-};
-
-
-class LLOutboxFolderViewItem : public LLFolderViewItem
-{
-public:
-	LLOutboxFolderViewItem(const Params& p);
-
-	// virtual
-	BOOL handleDoubleClick(S32 x, S32 y, MASK mask);
-	void openItem();
-};
-
-
-#endif //LL_OUTBOXINVENTORYPANEL_H
diff --git a/indra/newview/llpanelobjectinventory.cpp b/indra/newview/llpanelobjectinventory.cpp
index 1ca24f3031..7555ac7b2c 100644
--- a/indra/newview/llpanelobjectinventory.cpp
+++ b/indra/newview/llpanelobjectinventory.cpp
@@ -66,17 +66,19 @@
 #include "llviewerobjectlist.h"
 #include "llviewermessage.h"
 
+const LLColor4U DEFAULT_WHITE(255, 255, 255);
 
 ///----------------------------------------------------------------------------
 /// Class LLTaskInvFVBridge
 ///----------------------------------------------------------------------------
 
-class LLTaskInvFVBridge : public LLFolderViewEventListener
+class LLTaskInvFVBridge : public LLFolderViewModelItemInventory
 {
 protected:
 	LLUUID mUUID;
 	std::string mName;
 	mutable std::string mDisplayName;
+	mutable std::string mSearchableName;
 	LLPanelObjectInventory* mPanel;
 	U32 mFlags;
 	LLAssetType::EType mAssetType;	
@@ -102,26 +104,29 @@ public:
 	S32 getPrice();
 	static bool commitBuyItem(const LLSD& notification, const LLSD& response);
 
-	// LLFolderViewEventListener functionality
+	// LLFolderViewModelItemInventory functionality
 	virtual const std::string& getName() const;
 	virtual const std::string& getDisplayName() const;
+	virtual const std::string& getSearchableName() const;
+
 	virtual PermissionMask getPermissionMask() const { return PERM_NONE; }
 	/*virtual*/ LLFolderType::EType getPreferredType() const { return LLFolderType::FT_NONE; }
 	virtual const LLUUID& getUUID() const { return mUUID; }
 	virtual time_t getCreationDate() const;
+	virtual void setCreationDate(time_t creation_date_utc);
+
 	virtual LLUIImagePtr getIcon() const;
 	virtual void openItem();
 	virtual BOOL canOpenItem() const { return FALSE; }
 	virtual void closeItem() {}
-	virtual void previewItem();
 	virtual void selectItem() {}
 	virtual BOOL isItemRenameable() const;
 	virtual BOOL renameItem(const std::string& new_name);
 	virtual BOOL isItemMovable() const;
 	virtual BOOL isItemRemovable() const;
 	virtual BOOL removeItem();
-	virtual void removeBatch(LLDynamicArray<LLFolderViewEventListener*>& batch);
-	virtual void move(LLFolderViewEventListener* parent_listener);
+	virtual void removeBatch(std::vector<LLFolderViewModelItem*>& batch);
+	virtual void move(LLFolderViewModelItem* parent_listener);	
 	virtual BOOL isItemCopyable() const;
 	virtual BOOL copyToClipboard() const;
 	virtual BOOL cutToClipboard() const;
@@ -131,11 +136,15 @@ public:
 	virtual void buildContextMenu(LLMenuGL& menu, U32 flags);
 	virtual void performAction(LLInventoryModel* model, std::string action);
 	virtual BOOL isUpToDate() const { return TRUE; }
-	virtual BOOL hasChildren() const { return FALSE; }
+	virtual bool hasChildren() const { return FALSE; }
 	virtual LLInventoryType::EType getInventoryType() const { return LLInventoryType::IT_NONE; }
 	virtual LLWearableType::EType getWearableType() const { return LLWearableType::WT_NONE; }
+	virtual EInventorySortGroup getSortGroup() const { return SG_ITEM; }
+	virtual LLInventoryObject* getInventoryObject() const { return findInvObject(); }
+
 
 	// LLDragAndDropBridge functionality
+	virtual LLToolDragAndDrop::ESource getDragSource() const { return LLToolDragAndDrop::SOURCE_WORLD; }
 	virtual BOOL startDrag(EDragAndDropType* type, LLUUID* id) const;
 	virtual BOOL dragOrDrop(MASK mask, BOOL drop,
 							EDragAndDropType cargo_type,
@@ -147,7 +156,8 @@ LLTaskInvFVBridge::LLTaskInvFVBridge(
 	LLPanelObjectInventory* panel,
 	const LLUUID& uuid,
 	const std::string& name,
-	U32 flags):
+	U32 flags)
+:	LLFolderViewModelItemInventory(panel->getRootViewModel()),
 	mUUID(uuid),
 	mName(name),
 	mPanel(panel),
@@ -330,15 +340,27 @@ const std::string& LLTaskInvFVBridge::getDisplayName() const
 		}
 	}
 
+	mSearchableName.assign(mDisplayName + getLabelSuffix());
+
 	return mDisplayName;
 }
 
+const std::string& LLTaskInvFVBridge::getSearchableName() const
+{
+	return mSearchableName;
+}
+
+
 // BUG: No creation dates for task inventory
 time_t LLTaskInvFVBridge::getCreationDate() const
 {
 	return 0;
 }
 
+void LLTaskInvFVBridge::setCreationDate(time_t creation_date_utc)
+{}
+
+
 LLUIImagePtr LLTaskInvFVBridge::getIcon() const
 {
 	const BOOL item_is_multi = (mFlags & LLInventoryItemFlags::II_FLAGS_OBJECT_HAS_MULTIPLE_ITEMS);
@@ -352,11 +374,6 @@ void LLTaskInvFVBridge::openItem()
 	lldebugs << "LLTaskInvFVBridge::openItem()" << llendl;
 }
 
-void LLTaskInvFVBridge::previewItem()
-{
-	openItem();
-}
-
 BOOL LLTaskInvFVBridge::isItemRenameable() const
 {
 	if(gAgent.isGodlike()) return TRUE;
@@ -467,7 +484,7 @@ BOOL LLTaskInvFVBridge::removeItem()
 	return FALSE;
 }
 
-void LLTaskInvFVBridge::removeBatch(LLDynamicArray<LLFolderViewEventListener*>& batch)
+void   LLTaskInvFVBridge::removeBatch(std::vector<LLFolderViewModelItem*>& batch)
 {
 	if (!mPanel)
 	{
@@ -507,7 +524,7 @@ void LLTaskInvFVBridge::removeBatch(LLDynamicArray<LLFolderViewEventListener*>&
 	}
 }
 
-void LLTaskInvFVBridge::move(LLFolderViewEventListener* parent_listener)
+void LLTaskInvFVBridge::move(LLFolderViewModelItem* parent_listener)
 {
 }
 
@@ -709,7 +726,7 @@ public:
 	virtual BOOL renameItem(const std::string& new_name);
 	virtual BOOL isItemRemovable() const;
 	virtual void buildContextMenu(LLMenuGL& menu, U32 flags);
-	virtual BOOL hasChildren() const;
+	virtual bool hasChildren() const;
 	virtual BOOL startDrag(EDragAndDropType* type, LLUUID* id) const;
 	virtual BOOL dragOrDrop(MASK mask, BOOL drop,
 							EDragAndDropType cargo_type,
@@ -717,6 +734,7 @@ public:
 							std::string& tooltip_msg);
 	virtual BOOL canOpenItem() const { return TRUE; }
 	virtual void openItem();
+	virtual EInventorySortGroup getSortGroup() const { return SG_NORMAL_FOLDER; }
 };
 
 LLTaskCategoryBridge::LLTaskCategoryBridge(
@@ -739,15 +757,7 @@ const std::string& LLTaskCategoryBridge::getDisplayName() const
 
 	if (cat)
 	{
-		// Localize "Contents" folder.
-		if (cat->getParentUUID().isNull() && cat->getName() == "Contents")
-		{
-			mDisplayName.assign(LLTrans::getString("ViewerObjectContents"));
-		}
-		else
-		{
-			mDisplayName.assign(cat->getName());
-		}
+		mDisplayName.assign(cat->getName());
 	}
 
 	return mDisplayName;
@@ -775,7 +785,7 @@ void LLTaskCategoryBridge::buildContextMenu(LLMenuGL& menu, U32 flags)
 	hide_context_entries(menu, items, disabled_items);
 }
 
-BOOL LLTaskCategoryBridge::hasChildren() const
+bool LLTaskCategoryBridge::hasChildren() const
 {
 	// return TRUE if we have or do know know if we have children.
 	// *FIX: For now, return FALSE - we will know for sure soon enough.
@@ -1489,7 +1499,7 @@ LLPanelObjectInventory::LLPanelObjectInventory(const LLPanelObjectInventory::Par
 	mCommitCallbackRegistrar.add("Inventory.DoCreate", boost::bind(&do_nothing));
 	mCommitCallbackRegistrar.add("Inventory.AttachObject", boost::bind(&do_nothing));
 	mCommitCallbackRegistrar.add("Inventory.BeginIMSession", boost::bind(&do_nothing));
-	mCommitCallbackRegistrar.add("Inventory.Share",  boost::bind(&LLAvatarActions::shareWithAvatars));
+	mCommitCallbackRegistrar.add("Inventory.Share",  boost::bind(&LLAvatarActions::shareWithAvatars, this));
 }
 
 // Destroys the object
@@ -1514,7 +1524,7 @@ BOOL LLPanelObjectInventory::postBuild()
 
 void LLPanelObjectInventory::doToSelected(const LLSD& userdata)
 {
-	mFolders->doToSelected(&gInventory, userdata);
+	LLInventoryAction::doToSelected(&gInventory, mFolders, userdata.asString());
 }
 
 void LLPanelObjectInventory::clearContents()
@@ -1526,6 +1536,8 @@ void LLPanelObjectInventory::clearContents()
 		LLToolDragAndDrop::getInstance()->endDrag();
 	}
 
+	clearItemIDs();
+
 	if( mScroller )
 	{
 		// removes mFolders
@@ -1541,21 +1553,26 @@ void LLPanelObjectInventory::reset()
 {
 	clearContents();
 
-	//setBorderVisible(FALSE);
-	
 	mCommitCallbackRegistrar.pushScope(); // push local callbacks
 	
+	// Reset the inventory model to show all folders by default
+	mInventoryViewModel.getFilter().setShowFolderState(LLInventoryFilter::SHOW_ALL_FOLDERS);
+	
+	// Create a new folder view root
 	LLRect dummy_rect(0, 1, 1, 0);
 	LLFolderView::Params p;
 	p.name = "task inventory";
 	p.title = "task inventory";
-	p.task_id = getTaskUUID();
 	p.parent_panel = this;
 	p.tool_tip= LLTrans::getString("PanelContentsTooltip");
 	p.listener = LLTaskInvFVBridge::createObjectBridge(this, NULL);
+	p.folder_indentation = -14; // subtract space normally reserved for folder expanders
+	p.view_model = &mInventoryViewModel;
+	p.root = NULL;
+    p.options_menu = "menu_inventory.xml";
+
 	mFolders = LLUICtrlFactory::create<LLFolderView>(p);
-	// this ensures that we never say "searching..." or "no items found"
-	mFolders->getFilter()->setShowFolderState(LLInventoryFilter::SHOW_ALL_FOLDERS);
+
 	mFolders->setCallbackRegistrar(&mCommitCallbackRegistrar);
 
 	if (hasFocus())
@@ -1600,7 +1617,7 @@ void LLPanelObjectInventory::inventoryChanged(LLViewerObject* object,
 			 iter != inventory->end(); )
 		{
 			LLInventoryObject* item = *iter++;
-			LLFloaterProperties* floater = LLFloaterReg::findTypedInstance<LLFloaterProperties>("properites", item->getUUID());
+			LLFloaterProperties* floater = LLFloaterReg::findTypedInstance<LLFloaterProperties>("properties", item->getUUID());
 			if(floater)
 			{
 				floater->refresh();
@@ -1615,15 +1632,20 @@ void LLPanelObjectInventory::updateInventory()
 	//		<< " panel UUID: " << panel->mTaskUUID << "\n"
 	//		<< " task  UUID: " << object->mID << llendl;
 	// We're still interested in this task's inventory.
-	std::set<LLUUID> selected_items;
+	std::vector<LLUUID> selected_item_ids;
+	std::set<LLFolderViewItem*> selected_items;
 	BOOL inventory_has_focus = FALSE;
-	if (mHaveInventory)
+	if (mHaveInventory && mFolders)
 	{
 		selected_items = mFolders->getSelectionList();
 		inventory_has_focus = gFocusMgr.childHasKeyboardFocus(mFolders);
 	}
-
-	reset();
+	for (std::set<LLFolderViewItem*>::iterator it = selected_items.begin(), end_it = selected_items.end();
+		it != end_it;
+		++it)
+	{
+		selected_item_ids.push_back(static_cast<LLFolderViewModelItemInventory*>((*it)->getViewModelItem())->getUUID());
+	}
 
 	LLViewerObject* objectp = gObjectList.findObject(mTaskUUID);
 	if (objectp)
@@ -1631,19 +1653,21 @@ void LLPanelObjectInventory::updateInventory()
 		LLInventoryObject* inventory_root = objectp->getInventoryRoot();
 		LLInventoryObject::object_list_t contents;
 		objectp->getInventoryContents(contents);
+
 		if (inventory_root)
 		{
-			createFolderViews(inventory_root, contents);
-			mHaveInventory = TRUE;
+			reset();
 			mIsInventoryEmpty = FALSE;
+			createFolderViews(inventory_root, contents);
 			mFolders->setEnabled(TRUE);
 		}
 		else
 		{
 			// TODO: create an empty inventory
 			mIsInventoryEmpty = TRUE;
-			mHaveInventory = TRUE;
 		}
+
+		mHaveInventory = TRUE;
 	}
 	else
 	{
@@ -1653,11 +1677,12 @@ void LLPanelObjectInventory::updateInventory()
 	}
 
 	// restore previous selection
-	std::set<LLUUID>::iterator selection_it;
-	BOOL first_item = TRUE;
-	for (selection_it = selected_items.begin(); selection_it != selected_items.end(); ++selection_it)
+	std::vector<LLUUID>::iterator selection_it;
+	bool first_item = true;
+	for (selection_it = selected_item_ids.begin(); selection_it != selected_item_ids.end(); ++selection_it)
 	{
-		LLFolderViewItem* selected_item = mFolders->getItemByID(*selection_it);
+		LLFolderViewItem* selected_item = getItemByID(*selection_it);
+		
 		if (selected_item)
 		{
 			//HACK: "set" first item then "change" each other one to get keyboard focus right
@@ -1673,7 +1698,10 @@ void LLPanelObjectInventory::updateInventory()
 		}
 	}
 
-	mFolders->requestArrange();
+	if (mFolders)
+	{
+		mFolders->requestArrange();
+	}
 	mInventoryNeedsUpdate = FALSE;
 	// Edit menu handler is set in onFocusReceived
 }
@@ -1694,19 +1722,24 @@ void LLPanelObjectInventory::createFolderViews(LLInventoryObject* inventory_root
 	bridge = LLTaskInvFVBridge::createObjectBridge(this, inventory_root);
 	if(bridge)
 	{
-		LLFolderViewFolder* new_folder = NULL;
+		LLUIColor item_color = LLUIColorTable::instance().getColor("MenuItemEnabledColor", DEFAULT_WHITE);
+
 		LLFolderViewFolder::Params p;
 		p.name = inventory_root->getName();
-		p.icon = LLUI::getUIImage("Inv_FolderClosed");
-		p.icon_open = LLUI::getUIImage("Inv_FolderOpen");
+		p.tool_tip = p.name;
 		p.root = mFolders;
 		p.listener = bridge;
-		p.tool_tip = p.name;
-		new_folder = LLUICtrlFactory::create<LLFolderViewFolder>(p);
-		new_folder->addToFolder(mFolders, mFolders);
+		p.font_color = item_color;
+		p.font_highlight_color = item_color;
+
+		LLFolderViewFolder* new_folder = LLUICtrlFactory::create<LLFolderViewFolder>(p);
+		new_folder->addToFolder(mFolders);
 		new_folder->toggleOpen();
 
-		createViewsForCategory(&contents, inventory_root, new_folder);
+		if (!contents.empty())
+		{
+			createViewsForCategory(&contents, inventory_root, new_folder);
+		}
 	}
 }
 
@@ -1716,6 +1749,8 @@ void LLPanelObjectInventory::createViewsForCategory(LLInventoryObject::object_li
 											  LLInventoryObject* parent,
 											  LLFolderViewFolder* folder)
 {
+	LLUIColor item_color = LLUIColorTable::instance().getColor("MenuItemEnabledColor", DEFAULT_WHITE);
+
 	// Find all in the first pass
 	LLDynamicArray<obj_folder_pair*> child_categories;
 	LLTaskInvFVBridge* bridge;
@@ -1738,11 +1773,11 @@ void LLPanelObjectInventory::createViewsForCategory(LLInventoryObject::object_li
 			{
 				LLFolderViewFolder::Params p;
 				p.name = obj->getName();
-				p.icon = LLUI::getUIImage("Inv_FolderClosed");
-				p.icon_open = LLUI::getUIImage("Inv_FolderOpen");
 				p.root = mFolders;
 				p.listener = bridge;
 				p.tool_tip = p.name;
+				p.font_color = item_color;
+				p.font_highlight_color = item_color;
 				view = LLUICtrlFactory::create<LLFolderViewFolder>(p);
 				child_categories.put(new obj_folder_pair(obj,
 														 (LLFolderViewFolder*)view));
@@ -1751,15 +1786,17 @@ void LLPanelObjectInventory::createViewsForCategory(LLInventoryObject::object_li
 			{
 				LLFolderViewItem::Params params;
 				params.name(obj->getName());
-				params.icon(bridge->getIcon());
 				params.creation_date(bridge->getCreationDate());
 				params.root(mFolders);
 				params.listener(bridge);
 				params.rect(LLRect());
 				params.tool_tip = params.name;
+				params.font_color = item_color;
+				params.font_highlight_color = item_color;
 				view = LLUICtrlFactory::create<LLFolderViewItem> (params);
 			}
-			view->addToFolder(folder, mFolders);
+			view->addToFolder(folder);
+			addItemID(obj->getUUID(), view);
 		}
 	}
 
@@ -1827,6 +1864,7 @@ void LLPanelObjectInventory::refresh()
 		removeVOInventoryListener();
 		clearContents();
 	}
+	mInventoryViewModel.setTaskID(mTaskUUID);
 	//llinfos << "LLPanelObjectInventory::refresh() " << mTaskUUID << llendl;
 }
 
@@ -1914,7 +1952,10 @@ void LLPanelObjectInventory::idle(void* user_data)
 {
 	LLPanelObjectInventory* self = (LLPanelObjectInventory*)user_data;
 
-
+	if (self->mFolders)
+	{
+		self->mFolders->update();
+	}
 	if (self->mInventoryNeedsUpdate)
 	{
 		self->updateInventory();
@@ -1939,3 +1980,32 @@ void LLPanelObjectInventory::onFocusReceived()
 	
 	LLPanel::onFocusReceived();
 }
+
+
+LLFolderViewItem* LLPanelObjectInventory::getItemByID( const LLUUID& id )
+{
+	std::map<LLUUID, LLFolderViewItem*>::iterator map_it;
+	map_it = mItemMap.find(id);
+	if (map_it != mItemMap.end())
+	{
+		return map_it->second;
+	}
+
+	return NULL;
+}
+
+void LLPanelObjectInventory::removeItemID( const LLUUID& id )
+{
+	mItemMap.erase(id);
+}
+
+void LLPanelObjectInventory::addItemID( const LLUUID& id, LLFolderViewItem* itemp )
+{
+	mItemMap[id] = itemp;
+}
+
+void LLPanelObjectInventory::clearItemIDs()
+{
+	mItemMap.clear();
+}
+
diff --git a/indra/newview/llpanelobjectinventory.h b/indra/newview/llpanelobjectinventory.h
index 607b705f7f..f497c695b3 100644
--- a/indra/newview/llpanelobjectinventory.h
+++ b/indra/newview/llpanelobjectinventory.h
@@ -29,6 +29,7 @@
 
 #include "llvoinventorylistener.h"
 #include "llpanel.h"
+#include "llinventorypanel.h" // for LLFolderViewModelInventory
 
 #include "llinventory.h"
 
@@ -55,6 +56,8 @@ public:
 	
 	virtual BOOL postBuild();
 
+	LLFolderViewModelInventory& getRootViewModel() { return mInventoryViewModel; }
+
 	void doToSelected(const LLSD& userdata);
 	
 	void refresh();
@@ -85,8 +88,15 @@ protected:
 								LLInventoryObject* parent,
 								LLFolderViewFolder* folder);
 	void clearContents();
+	LLFolderViewItem* getItemByID(const LLUUID& id);
+
+	void addItemID( const LLUUID& id, LLFolderViewItem*   itemp );
+	void removeItemID(const LLUUID& id);
+	void clearItemIDs();
 
 private:
+	std::map<LLUUID, LLFolderViewItem*> mItemMap;
+
 	LLScrollContainer* mScroller;
 	LLFolderView* mFolders;
 	
@@ -94,6 +104,7 @@ private:
 	BOOL mHaveInventory;
 	BOOL mIsInventoryEmpty;
 	BOOL mInventoryNeedsUpdate;
+	LLFolderViewModelInventory	mInventoryViewModel;	
 };
 
 #endif // LL_LLPANELOBJECTINVENTORY_H
diff --git a/indra/newview/llpaneloutfitedit.cpp b/indra/newview/llpaneloutfitedit.cpp
index 35e2e96bab..d690a18477 100644
--- a/indra/newview/llpaneloutfitedit.cpp
+++ b/indra/newview/llpaneloutfitedit.cpp
@@ -270,7 +270,7 @@ private:
 
 		if (inventory_panel->getVisible())
 		{
-			inventory_panel->setSortOrder(sort_order);
+			inventory_panel->getFolderViewModel()->setSorter(sort_order);
 		}
 		else
 		{
@@ -738,7 +738,7 @@ void LLPanelOutfitEdit::onSearchEdit(const std::string& string)
 	}
 	
 	// save current folder open state if no filter currently applied
-	if (mInventoryItemsPanel->getRootFolder()->getFilterSubString().empty())
+	if (mInventoryItemsPanel->getFilterSubString().empty())
 	{
 		mSavedFolderState->setApply(FALSE);
 		mInventoryItemsPanel->getRootFolder()->applyFunctorRecursively(*mSavedFolderState);
@@ -885,13 +885,13 @@ LLPanelOutfitEdit::selection_info_t LLPanelOutfitEdit::getAddMorePanelSelectionT
 	{
 		if (mInventoryItemsPanel != NULL && mInventoryItemsPanel->getVisible())
 		{
-			std::set<LLUUID> selected_uuids = mInventoryItemsPanel->getRootFolder()->getSelectionList();
+			std::set<LLFolderViewItem*> selected_items =    mInventoryItemsPanel->getRootFolder()->getSelectionList();
 
-			result.second = selected_uuids.size();
+			result.second = selected_items.size();
 
 			if (result.second == 1)
 			{
-				result.first = getWearableTypeByItemUUID(*(selected_uuids.begin()));
+				result.first = getWearableTypeByItemUUID(static_cast<LLFolderViewModelItemInventory*>((*selected_items.begin())->getViewModelItem())->getUUID());
 			}
 		}
 		else if (mWearableItemsList != NULL && mWearableItemsList->getVisible())
@@ -1310,7 +1310,7 @@ void LLPanelOutfitEdit::getCurrentItemUUID(LLUUID& selected_id)
 		LLFolderViewItem* curr_item = mInventoryItemsPanel->getRootFolder()->getCurSelectedItem();
 		if (!curr_item) return;
 
-		LLFolderViewEventListener* listenerp  = curr_item->getListener();
+		LLFolderViewModelItemInventory* listenerp  = static_cast<LLFolderViewModelItemInventory*>(curr_item->getViewModelItem());
 		if (!listenerp) return;
 
 		selected_id = listenerp->getUUID();
@@ -1327,9 +1327,13 @@ void LLPanelOutfitEdit::getSelectedItemsUUID(uuid_vec_t& uuid_list)
 	void (uuid_vec_t::* tmp)(LLUUID const &) = &uuid_vec_t::push_back;
 	if (mInventoryItemsPanel->getVisible())
 	{
-		std::set<LLUUID> item_set = mInventoryItemsPanel->getRootFolder()->getSelectionList();
-
-		std::for_each(item_set.begin(), item_set.end(), boost::bind( tmp, &uuid_list, _1));
+		std::set<LLFolderViewItem*> item_set =    mInventoryItemsPanel->getRootFolder()->getSelectionList();
+		for (std::set<LLFolderViewItem*>::iterator it = item_set.begin(),    end_it = item_set.end();
+			it != end_it;
+			++it)
+		{
+			uuid_list.push_back(static_cast<LLFolderViewModelItemInventory*>((*it)->getViewModelItem())->getUUID());
+		}
 	}
 	else if (mWearablesListViewPanel->getVisible())
 	{
@@ -1374,13 +1378,13 @@ void LLPanelOutfitEdit::saveListSelection()
 {
 	if(mWearablesListViewPanel->getVisible())
 	{
-		std::set<LLUUID> selected_ids = mInventoryItemsPanel->getRootFolder()->getSelectionList();
+		std::set<LLFolderViewItem*> selected_ids =    mInventoryItemsPanel->getRootFolder()->getSelectionList();
 
 		if(!selected_ids.size()) return;
 
-		for (std::set<LLUUID>::const_iterator item_id = selected_ids.begin(); item_id != selected_ids.end(); ++item_id)
+		for (std::set<LLFolderViewItem*>::const_iterator item_id =    selected_ids.begin(); item_id != selected_ids.end(); ++item_id)
 		{
-			mWearableItemsList->selectItemByUUID(*item_id, true);
+			mWearableItemsList->selectItemByUUID(static_cast<LLFolderViewModelItemInventory*>((*item_id)->getViewModelItem())->getUUID(),    true);
 		}
 		mWearableItemsList->scrollToShowFirstSelectedItem();
 	}
@@ -1398,7 +1402,7 @@ void LLPanelOutfitEdit::saveListSelection()
 
 		for(std::vector<LLUUID>::const_iterator item_id = selected_ids.begin(); item_id != selected_ids.end(); ++item_id)
 		{
-			LLFolderViewItem* item = root->getItemByID(*item_id);
+			LLFolderViewItem* item = mInventoryItemsPanel->getItemByID(*item_id);
 			if (!item) continue;
 
 			LLFolderViewFolder* parent = item->getParentFolder();
diff --git a/indra/newview/llpanelpeople.cpp b/indra/newview/llpanelpeople.cpp
index f1380e7a36..90e857265d 100644
--- a/indra/newview/llpanelpeople.cpp
+++ b/indra/newview/llpanelpeople.cpp
@@ -72,6 +72,7 @@ static const std::string NEARBY_TAB_NAME	= "nearby_panel";
 static const std::string FRIENDS_TAB_NAME	= "friends_panel";
 static const std::string GROUP_TAB_NAME		= "groups_panel";
 static const std::string RECENT_TAB_NAME	= "recent_panel";
+static const std::string BLOCKED_TAB_NAME	= "blocked_panel"; // blocked avatars
 
 static const std::string COLLAPSED_BY_USER  = "collapsed_by_user";
 
@@ -492,26 +493,37 @@ public:
 
 LLPanelPeople::LLPanelPeople()
 	:	LLPanel(),
-		mFilterSubString(LLStringUtil::null),
-		mFilterSubStringOrig(LLStringUtil::null),
-		mFilterEditor(NULL),
 		mTabContainer(NULL),
 		mOnlineFriendList(NULL),
 		mAllFriendList(NULL),
 		mNearbyList(NULL),
 		mRecentList(NULL),
 		mGroupList(NULL),
-		mNearbyGearButton(NULL),
-		mFriendsGearButton(NULL),
-		mGroupsGearButton(NULL),
-		mRecentGearButton(NULL),
 		mMiniMap(NULL)
 {
 	mFriendListUpdater = new LLFriendListUpdater(boost::bind(&LLPanelPeople::updateFriendList,	this));
 	mNearbyListUpdater = new LLNearbyListUpdater(boost::bind(&LLPanelPeople::updateNearbyList,	this));
 	mRecentListUpdater = new LLRecentListUpdater(boost::bind(&LLPanelPeople::updateRecentList,	this));
 	mButtonsUpdater = new LLButtonsUpdater(boost::bind(&LLPanelPeople::updateButtons, this));
-	mCommitCallbackRegistrar.add("People.addFriend", boost::bind(&LLPanelPeople::onAddFriendButtonClicked, this));
+
+	mCommitCallbackRegistrar.add("People.AddFriend", boost::bind(&LLPanelPeople::onAddFriendButtonClicked, this));
+	mCommitCallbackRegistrar.add("People.AddFriendWizard",	boost::bind(&LLPanelPeople::onAddFriendWizButtonClicked,	this));
+	mCommitCallbackRegistrar.add("People.DelFriend",		boost::bind(&LLPanelPeople::onDeleteFriendButtonClicked,	this));
+	mCommitCallbackRegistrar.add("People.Group.Minus",		boost::bind(&LLPanelPeople::onGroupMinusButtonClicked,  this));
+	mCommitCallbackRegistrar.add("People.Chat",			boost::bind(&LLPanelPeople::onChatButtonClicked,		this));
+	mCommitCallbackRegistrar.add("People.Gear",			boost::bind(&LLPanelPeople::onGearButtonClicked,		this, _1));
+
+	mCommitCallbackRegistrar.add("People.Group.Plus.Action",  boost::bind(&LLPanelPeople::onGroupPlusMenuItemClicked,  this, _2));
+	mCommitCallbackRegistrar.add("People.Friends.ViewSort.Action",  boost::bind(&LLPanelPeople::onFriendsViewSortMenuItemClicked,  this, _2));
+	mCommitCallbackRegistrar.add("People.Nearby.ViewSort.Action",  boost::bind(&LLPanelPeople::onNearbyViewSortMenuItemClicked,  this, _2));
+	mCommitCallbackRegistrar.add("People.Groups.ViewSort.Action",  boost::bind(&LLPanelPeople::onGroupsViewSortMenuItemClicked,  this, _2));
+	mCommitCallbackRegistrar.add("People.Recent.ViewSort.Action",  boost::bind(&LLPanelPeople::onRecentViewSortMenuItemClicked,  this, _2));
+
+	mEnableCallbackRegistrar.add("People.Friends.ViewSort.CheckItem",	boost::bind(&LLPanelPeople::onFriendsViewSortMenuItemCheck,	this, _2));
+	mEnableCallbackRegistrar.add("People.Recent.ViewSort.CheckItem",	boost::bind(&LLPanelPeople::onRecentViewSortMenuItemCheck,	this, _2));
+	mEnableCallbackRegistrar.add("People.Nearby.ViewSort.CheckItem",	boost::bind(&LLPanelPeople::onNearbyViewSortMenuItemCheck,	this, _2));
+
+	mEnableCallbackRegistrar.add("People.Group.Plus.Validate",	boost::bind(&LLPanelPeople::onGroupPlusButtonValidate,	this));
 }
 
 LLPanelPeople::~LLPanelPeople()
@@ -525,13 +537,6 @@ LLPanelPeople::~LLPanelPeople()
 	{
 		LLVoiceClient::getInstance()->removeObserver(this);
 	}
-
-	if (mGroupPlusMenuHandle.get()) mGroupPlusMenuHandle.get()->die();
-	if (mNearbyViewSortMenuHandle.get()) mNearbyViewSortMenuHandle.get()->die();
-	if (mNearbyViewSortMenuHandle.get()) mNearbyViewSortMenuHandle.get()->die();
-	if (mGroupsViewSortMenuHandle.get()) mGroupsViewSortMenuHandle.get()->die();
-	if (mRecentViewSortMenuHandle.get()) mRecentViewSortMenuHandle.get()->die();
-
 }
 
 void LLPanelPeople::onFriendsAccordionExpandedCollapsed(LLUICtrl* ctrl, const LLSD& param, LLAvatarList* avatar_list)
@@ -551,17 +556,31 @@ void LLPanelPeople::onFriendsAccordionExpandedCollapsed(LLUICtrl* ctrl, const LL
 	}
 }
 
+
+void LLPanelPeople::removePicker()
+{
+    if(mPicker.get())
+    {
+        mPicker.get()->closeFloater();
+    }
+}
+
 BOOL LLPanelPeople::postBuild()
 {
-	mFilterEditor = getChild<LLFilterEditor>("filter_input");
-	mFilterEditor->setCommitCallback(boost::bind(&LLPanelPeople::onFilterEdit, this, _2));
+	getChild<LLFilterEditor>("nearby_filter_input")->setCommitCallback(boost::bind(&LLPanelPeople::onFilterEdit, this, _2));
+	getChild<LLFilterEditor>("friends_filter_input")->setCommitCallback(boost::bind(&LLPanelPeople::onFilterEdit, this, _2));
+	getChild<LLFilterEditor>("groups_filter_input")->setCommitCallback(boost::bind(&LLPanelPeople::onFilterEdit, this, _2));
+	getChild<LLFilterEditor>("recent_filter_input")->setCommitCallback(boost::bind(&LLPanelPeople::onFilterEdit, this, _2));
 
 	mTabContainer = getChild<LLTabContainer>("tabs");
 	mTabContainer->setCommitCallback(boost::bind(&LLPanelPeople::onTabSelected, this, _2));
+	mSavedFilters.resize(mTabContainer->getTabCount());
+	mSavedOriginalFilters.resize(mTabContainer->getTabCount());
 
 	LLPanel* friends_tab = getChild<LLPanel>(FRIENDS_TAB_NAME);
 	// updater is active only if panel is visible to user.
 	friends_tab->setVisibleCallback(boost::bind(&Updater::setActive, mFriendListUpdater, _2));
+    friends_tab->setVisibleCallback(boost::bind(&LLPanelPeople::removePicker, this));
 	mOnlineFriendList = friends_tab->getChild<LLAvatarList>("avatars_online");
 	mAllFriendList = friends_tab->getChild<LLAvatarList>("avatars_all");
 	mOnlineFriendList->setNoItemsCommentText(getString("no_friends_online"));
@@ -601,14 +620,6 @@ BOOL LLPanelPeople::postBuild()
 	setSortOrder(mAllFriendList,	(ESortOrder)gSavedSettings.getU32("FriendsSortOrder"),		false);
 	setSortOrder(mNearbyList,		(ESortOrder)gSavedSettings.getU32("NearbyPeopleSortOrder"),	false);
 
-	LLPanel* groups_panel = getChild<LLPanel>(GROUP_TAB_NAME);
-	groups_panel->childSetAction("activate_btn", boost::bind(&LLPanelPeople::onActivateButtonClicked,	this));
-	groups_panel->childSetAction("plus_btn",	boost::bind(&LLPanelPeople::onGroupPlusButtonClicked,	this));
-
-	LLPanel* friends_panel = getChild<LLPanel>(FRIENDS_TAB_NAME);
-	friends_panel->childSetAction("add_btn",	boost::bind(&LLPanelPeople::onAddFriendWizButtonClicked,	this));
-	friends_panel->childSetAction("del_btn",	boost::bind(&LLPanelPeople::onDeleteFriendButtonClicked,	this));
-
 	mOnlineFriendList->setItemDoubleClickCallback(boost::bind(&LLPanelPeople::onAvatarListDoubleClicked, this, _1));
 	mAllFriendList->setItemDoubleClickCallback(boost::bind(&LLPanelPeople::onAvatarListDoubleClicked, this, _1));
 	mNearbyList->setItemDoubleClickCallback(boost::bind(&LLPanelPeople::onAvatarListDoubleClicked, this, _1));
@@ -629,6 +640,19 @@ BOOL LLPanelPeople::postBuild()
 	mGroupList->setCommitCallback(boost::bind(&LLPanelPeople::updateButtons, this));
 	mGroupList->setReturnCallback(boost::bind(&LLPanelPeople::onChatButtonClicked, this));
 
+	LLMenuButton* groups_gear_btn = getChild<LLMenuButton>("groups_gear_btn");
+
+	// Use the context menu of the Groups list for the Groups tab gear menu.
+	LLToggleableMenu* groups_gear_menu = mGroupList->getContextMenu();
+	if (groups_gear_menu)
+	{
+		groups_gear_btn->setMenu(groups_gear_menu, LLMenuButton::MP_BOTTOM_LEFT);
+	}
+	else
+	{
+		llwarns << "People->Groups list menu not found" << llendl;
+	}
+
 	LLAccordionCtrlTab* accordion_tab = getChild<LLAccordionCtrlTab>("tab_all");
 	accordion_tab->setDropDownStateChangedCallback(
 		boost::bind(&LLPanelPeople::onFriendsAccordionExpandedCollapsed, this, _1, _2, mAllFriendList));
@@ -637,70 +661,9 @@ BOOL LLPanelPeople::postBuild()
 	accordion_tab->setDropDownStateChangedCallback(
 		boost::bind(&LLPanelPeople::onFriendsAccordionExpandedCollapsed, this, _1, _2, mOnlineFriendList));
 
-	buttonSetAction("view_profile_btn",	boost::bind(&LLPanelPeople::onViewProfileButtonClicked,	this));
-	buttonSetAction("group_info_btn",	boost::bind(&LLPanelPeople::onGroupInfoButtonClicked,	this));
-	buttonSetAction("chat_btn",			boost::bind(&LLPanelPeople::onChatButtonClicked,		this));
-	buttonSetAction("im_btn",			boost::bind(&LLPanelPeople::onImButtonClicked,			this));
-	buttonSetAction("call_btn",			boost::bind(&LLPanelPeople::onCallButtonClicked,		this));
-	buttonSetAction("group_call_btn",	boost::bind(&LLPanelPeople::onGroupCallButtonClicked,	this));
-	buttonSetAction("teleport_btn",		boost::bind(&LLPanelPeople::onTeleportButtonClicked,	this));
-	buttonSetAction("share_btn",		boost::bind(&LLPanelPeople::onShareButtonClicked,		this));
-
 	// Must go after setting commit callback and initializing all pointers to children.
 	mTabContainer->selectTabByName(NEARBY_TAB_NAME);
 
-	// Create menus.
-	LLUICtrl::CommitCallbackRegistry::ScopedRegistrar registrar;
-	LLUICtrl::EnableCallbackRegistry::ScopedRegistrar enable_registrar;
-	
-	registrar.add("People.Group.Plus.Action",  boost::bind(&LLPanelPeople::onGroupPlusMenuItemClicked,  this, _2));
-	registrar.add("People.Group.Minus.Action", boost::bind(&LLPanelPeople::onGroupMinusButtonClicked,  this));
-	registrar.add("People.Friends.ViewSort.Action",  boost::bind(&LLPanelPeople::onFriendsViewSortMenuItemClicked,  this, _2));
-	registrar.add("People.Nearby.ViewSort.Action",  boost::bind(&LLPanelPeople::onNearbyViewSortMenuItemClicked,  this, _2));
-	registrar.add("People.Groups.ViewSort.Action",  boost::bind(&LLPanelPeople::onGroupsViewSortMenuItemClicked,  this, _2));
-	registrar.add("People.Recent.ViewSort.Action",  boost::bind(&LLPanelPeople::onRecentViewSortMenuItemClicked,  this, _2));
-
-	enable_registrar.add("People.Group.Minus.Enable",	boost::bind(&LLPanelPeople::isRealGroup,	this));
-	enable_registrar.add("People.Friends.ViewSort.CheckItem",	boost::bind(&LLPanelPeople::onFriendsViewSortMenuItemCheck,	this, _2));
-	enable_registrar.add("People.Recent.ViewSort.CheckItem",	boost::bind(&LLPanelPeople::onRecentViewSortMenuItemCheck,	this, _2));
-	enable_registrar.add("People.Nearby.ViewSort.CheckItem",	boost::bind(&LLPanelPeople::onNearbyViewSortMenuItemCheck,	this, _2));
-
-	mNearbyGearButton = getChild<LLMenuButton>("nearby_view_sort_btn");
-	mFriendsGearButton = getChild<LLMenuButton>("friends_viewsort_btn");
-	mGroupsGearButton = getChild<LLMenuButton>("groups_viewsort_btn");
-	mRecentGearButton = getChild<LLMenuButton>("recent_viewsort_btn");
-
-	LLMenuGL* plus_menu  = LLUICtrlFactory::getInstance()->createFromFile<LLMenuGL>("menu_group_plus.xml",  gMenuHolder, LLViewerMenuHolderGL::child_registry_t::instance());
-	mGroupPlusMenuHandle  = plus_menu->getHandle();
-
-	LLToggleableMenu* nearby_view_sort  = LLUICtrlFactory::getInstance()->createFromFile<LLToggleableMenu>("menu_people_nearby_view_sort.xml",  gMenuHolder, LLViewerMenuHolderGL::child_registry_t::instance());
-	if(nearby_view_sort)
-	{
-		mNearbyViewSortMenuHandle  = nearby_view_sort->getHandle();
-		mNearbyGearButton->setMenu(nearby_view_sort);
-	}
-
-	LLToggleableMenu* friend_view_sort  = LLUICtrlFactory::getInstance()->createFromFile<LLToggleableMenu>("menu_people_friends_view_sort.xml",  gMenuHolder, LLViewerMenuHolderGL::child_registry_t::instance());
-	if(friend_view_sort)
-	{
-		mFriendsViewSortMenuHandle  = friend_view_sort->getHandle();
-		mFriendsGearButton->setMenu(friend_view_sort);
-	}
-
-	LLToggleableMenu* group_view_sort  = LLUICtrlFactory::getInstance()->createFromFile<LLToggleableMenu>("menu_people_groups_view_sort.xml",  gMenuHolder, LLViewerMenuHolderGL::child_registry_t::instance());
-	if(group_view_sort)
-	{
-		mGroupsViewSortMenuHandle  = group_view_sort->getHandle();
-		mGroupsGearButton->setMenu(group_view_sort);
-	}
-
-	LLToggleableMenu* recent_view_sort  = LLUICtrlFactory::getInstance()->createFromFile<LLToggleableMenu>("menu_people_recent_view_sort.xml",  gMenuHolder, LLViewerMenuHolderGL::child_registry_t::instance());
-	if(recent_view_sort)
-	{
-		mRecentViewSortMenuHandle  = recent_view_sort->getHandle();
-		mRecentGearButton->setMenu(recent_view_sort);
-	}
-
 	LLVoiceClient::getInstance()->addObserver(this);
 
 	// call this method in case some list is empty and buttons can be in inconsistent state
@@ -735,9 +698,11 @@ void LLPanelPeople::updateFriendListHelpText()
 	if (no_friends_text->getVisible())
 	{
 		//update help text for empty lists
-		std::string message_name = mFilterSubString.empty() ? "no_friends_msg" : "no_filtered_friends_msg";
+		const std::string& filter = mSavedOriginalFilters[mTabContainer->getCurrentPanelIndex()];
+
+		std::string message_name = filter.empty() ? "no_friends_msg" : "no_filtered_friends_msg";
 		LLStringUtil::format_map_t args;
-		args["[SEARCH_TERM]"] = LLURI::escape(mFilterSubStringOrig);
+		args["[SEARCH_TERM]"] = LLURI::escape(filter);
 		no_friends_text->setText(getString(message_name, args));
 	}
 }
@@ -821,31 +786,9 @@ void LLPanelPeople::updateRecentList()
 	mRecentList->setDirty();
 }
 
-void LLPanelPeople::buttonSetVisible(std::string btn_name, BOOL visible)
-{
-	// To make sure we're referencing the right widget (a child of the button bar).
-	LLButton* button = getChild<LLView>("button_bar")->getChild<LLButton>(btn_name);
-	button->setVisible(visible);
-}
-
-void LLPanelPeople::buttonSetEnabled(const std::string& btn_name, bool enabled)
-{
-	// To make sure we're referencing the right widget (a child of the button bar).
-	LLButton* button = getChild<LLView>("button_bar")->getChild<LLButton>(btn_name);
-	button->setEnabled(enabled);
-}
-
-void LLPanelPeople::buttonSetAction(const std::string& btn_name, const commit_signal_t::slot_type& cb)
-{
-	// To make sure we're referencing the right widget (a child of the button bar).
-	LLButton* button = getChild<LLView>("button_bar")->getChild<LLButton>(btn_name);
-	button->setClickedCallback(cb);
-}
-
 void LLPanelPeople::updateButtons()
 {
 	std::string cur_tab		= getActiveTabName();
-	bool nearby_tab_active	= (cur_tab == NEARBY_TAB_NAME);
 	bool friends_tab_active = (cur_tab == FRIENDS_TAB_NAME);
 	bool group_tab_active	= (cur_tab == GROUP_TAB_NAME);
 	//bool recent_tab_active	= (cur_tab == RECENT_TAB_NAME);
@@ -856,28 +799,15 @@ void LLPanelPeople::updateButtons()
 	bool item_selected = (selected_uuids.size() == 1);
 	bool multiple_selected = (selected_uuids.size() >= 1);
 
-	buttonSetVisible("group_info_btn",		group_tab_active);
-	buttonSetVisible("chat_btn",			group_tab_active);
-	buttonSetVisible("view_profile_btn",	!group_tab_active);
-	buttonSetVisible("im_btn",				!group_tab_active);
-	buttonSetVisible("call_btn",			!group_tab_active);
-	buttonSetVisible("group_call_btn",		group_tab_active);
-	buttonSetVisible("teleport_btn",		friends_tab_active);
-	buttonSetVisible("share_btn",			nearby_tab_active || friends_tab_active);
-
 	if (group_tab_active)
 	{
-		bool cur_group_active = true;
-
 		if (item_selected)
 		{
 			selected_id = mGroupList->getSelectedUUID();
-			cur_group_active = (gAgent.getGroupID() == selected_id);
 		}
 
 		LLPanel* groups_panel = mTabContainer->getCurrentPanel();
-		groups_panel->getChildView("activate_btn")->setEnabled(item_selected && !cur_group_active); // "none" or a non-active group selected
-		groups_panel->getChildView("minus_btn")->setEnabled(item_selected && selected_id.notNull());
+		groups_panel->getChildView("minus_btn")->setEnabled(item_selected && selected_id.notNull()); // a real group selected
 	}
 	else
 	{
@@ -893,26 +823,20 @@ void LLPanelPeople::updateButtons()
 		LLPanel* cur_panel = mTabContainer->getCurrentPanel();
 		if (cur_panel)
 		{
-			cur_panel->getChildView("add_friend_btn")->setEnabled(!is_friend);
+			if (cur_panel->hasChild("add_friend_btn", TRUE))
+				cur_panel->getChildView("add_friend_btn")->setEnabled(item_selected && !is_friend);
+
 			if (friends_tab_active)
 			{
-				cur_panel->getChildView("del_btn")->setEnabled(multiple_selected);
+				cur_panel->getChildView("friends_del_btn")->setEnabled(multiple_selected);
+			}
+
+			if (!group_tab_active)
+			{
+				cur_panel->getChildView("gear_btn")->setEnabled(multiple_selected);
 			}
 		}
 	}
-
-	bool enable_calls = LLVoiceClient::getInstance()->isVoiceWorking() && LLVoiceClient::getInstance()->voiceEnabled();
-
-	buttonSetEnabled("view_profile_btn",item_selected);
-	buttonSetEnabled("share_btn",		item_selected);
-	buttonSetEnabled("im_btn",			multiple_selected); // allow starting the friends conference for multiple selection
-	buttonSetEnabled("call_btn",		multiple_selected && enable_calls);
-	buttonSetEnabled("teleport_btn",	multiple_selected && LLAvatarActions::canOfferTeleport(selected_uuids));
-
-	bool none_group_selected = item_selected && selected_id.isNull();
-	buttonSetEnabled("group_info_btn", !none_group_selected);
-	buttonSetEnabled("group_call_btn", !none_group_selected && enable_calls);
-	buttonSetEnabled("chat_btn", !none_group_selected);
 }
 
 std::string LLPanelPeople::getActiveTabName() const
@@ -943,6 +867,9 @@ LLUUID LLPanelPeople::getCurrentItemID() const
 	if (cur_tab == GROUP_TAB_NAME)
 		return mGroupList->getSelectedUUID();
 
+	if (cur_tab == BLOCKED_TAB_NAME)
+		return LLUUID::null; // FIXME?
+
 	llassert(0 && "unknown tab selected");
 	return LLUUID::null;
 }
@@ -963,6 +890,8 @@ void LLPanelPeople::getCurrentItemIDs(uuid_vec_t& selected_uuids) const
 		mRecentList->getSelectedUUIDs(selected_uuids);
 	else if (cur_tab == GROUP_TAB_NAME)
 		mGroupList->getSelectedUUIDs(selected_uuids);
+	else if (cur_tab == BLOCKED_TAB_NAME)
+		selected_uuids.clear(); // FIXME?
 	else
 		llassert(0 && "unknown tab selected");
 
@@ -1031,49 +960,60 @@ void LLPanelPeople::setSortOrder(LLAvatarList* list, ESortOrder order, bool save
 	}
 }
 
-bool LLPanelPeople::isRealGroup()
-{
-	return getCurrentItemID() != LLUUID::null;
-}
-
 void LLPanelPeople::onFilterEdit(const std::string& search_string)
 {
-	mFilterSubStringOrig = search_string;
-	LLStringUtil::trimHead(mFilterSubStringOrig);
+	const S32 cur_tab_idx = mTabContainer->getCurrentPanelIndex();
+	std::string& filter = mSavedOriginalFilters[cur_tab_idx];
+	std::string& saved_filter = mSavedFilters[cur_tab_idx];
+
+	filter = search_string;
+	LLStringUtil::trimHead(filter);
+
 	// Searches are case-insensitive
-	std::string search_upper = mFilterSubStringOrig;
+	std::string search_upper = filter;
 	LLStringUtil::toUpper(search_upper);
 
-	if (mFilterSubString == search_upper)
+	if (saved_filter == search_upper)
 		return;
 
-	mFilterSubString = search_upper;
+	saved_filter = search_upper;
 
-	//store accordion tabs state before any manipulation with accordion tabs
-	if(!mFilterSubString.empty())
+	// Apply new filter to the current tab.
+	const std::string cur_tab = getActiveTabName();
+	if (cur_tab == NEARBY_TAB_NAME)
+	{
+		mNearbyList->setNameFilter(filter);
+	}
+	else if (cur_tab == FRIENDS_TAB_NAME)
+	{
+		// store accordion tabs opened/closed state before any manipulation with accordion tabs
+		if (!saved_filter.empty())
 	{
 		notifyChildren(LLSD().with("action","store_state"));
 	}
 
-
-	// Apply new filter.
-	mNearbyList->setNameFilter(mFilterSubStringOrig);
-	mOnlineFriendList->setNameFilter(mFilterSubStringOrig);
-	mAllFriendList->setNameFilter(mFilterSubStringOrig);
-	mRecentList->setNameFilter(mFilterSubStringOrig);
-	mGroupList->setNameFilter(mFilterSubStringOrig);
+		mOnlineFriendList->setNameFilter(filter);
+		mAllFriendList->setNameFilter(filter);
 
 	setAccordionCollapsedByUser("tab_online", false);
 	setAccordionCollapsedByUser("tab_all", false);
-
 	showFriendsAccordionsIfNeeded();
 
-	//restore accordion tabs state _after_ all manipulations...
-	if(mFilterSubString.empty())
+		// restore accordion tabs state _after_ all manipulations
+		if(saved_filter.empty())
 	{
 		notifyChildren(LLSD().with("action","restore_state"));
 	}
 }
+	else if (cur_tab == GROUP_TAB_NAME)
+	{
+		mGroupList->setNameFilter(filter);
+	}
+	else if (cur_tab == RECENT_TAB_NAME)
+	{
+		mRecentList->setNameFilter(filter);
+	}
+}
 
 void LLPanelPeople::onTabSelected(const LLSD& param)
 {
@@ -1081,11 +1021,6 @@ void LLPanelPeople::onTabSelected(const LLSD& param)
 	updateButtons();
 
 	showFriendsAccordionsIfNeeded();
-
-	if (GROUP_TAB_NAME == tab_name)
-		mFilterEditor->setLabel(getString("groups_filter_label"));
-	else
-		mFilterEditor->setLabel(getString("people_filter_label"));
 }
 
 void LLPanelPeople::onAvatarListDoubleClicked(LLUICtrl* ctrl)
@@ -1127,12 +1062,6 @@ void LLPanelPeople::onAvatarListCommitted(LLAvatarList* list)
 	updateButtons();
 }
 
-void LLPanelPeople::onViewProfileButtonClicked()
-{
-	LLUUID id = getCurrentItemID();
-	LLAvatarActions::showProfile(id);
-}
-
 void LLPanelPeople::onAddFriendButtonClicked()
 {
 	LLUUID id = getCurrentItemID();
@@ -1160,8 +1089,12 @@ bool LLPanelPeople::isItemsFreeOfFriends(const uuid_vec_t& uuids)
 
 void LLPanelPeople::onAddFriendWizButtonClicked()
 {
+    LLPanel* cur_panel = mTabContainer->getCurrentPanel();
+    LLView * button = cur_panel->findChild<LLButton>("friends_add_btn", TRUE);
+
 	// Show add friend wizard.
-	LLFloaterAvatarPicker* picker = LLFloaterAvatarPicker::show(boost::bind(&LLPanelPeople::onAvatarPicked, _1, _2), FALSE, TRUE);
+    LLFloater* root_floater = gFloaterView->getParentFloater(this);
+	LLFloaterAvatarPicker* picker = LLFloaterAvatarPicker::show(boost::bind(&LLPanelPeople::onAvatarPicked, _1, _2), FALSE, TRUE, FALSE, root_floater->getName(), button);
 	if (!picker)
 	{
 		return;
@@ -1169,11 +1102,13 @@ void LLPanelPeople::onAddFriendWizButtonClicked()
 
 	// Need to disable 'ok' button when friend occurs in selection
 	picker->setOkBtnEnableCb(boost::bind(&LLPanelPeople::isItemsFreeOfFriends, this, _1));
-	LLFloater* root_floater = gFloaterView->getParentFloater(this);
+	
 	if (root_floater)
 	{
 		root_floater->addDependentFloater(picker);
 	}
+
+    mPicker = picker->getHandle();
 }
 
 void LLPanelPeople::onDeleteFriendButtonClicked()
@@ -1191,11 +1126,6 @@ void LLPanelPeople::onDeleteFriendButtonClicked()
 	}
 }
 
-void LLPanelPeople::onGroupInfoButtonClicked()
-{
-	LLGroupActions::show(getCurrentItemID());
-}
-
 void LLPanelPeople::onChatButtonClicked()
 {
 	LLUUID group_id = getCurrentItemID();
@@ -1203,6 +1133,14 @@ void LLPanelPeople::onChatButtonClicked()
 		LLGroupActions::startIM(group_id);
 }
 
+void LLPanelPeople::onGearButtonClicked(LLUICtrl* btn)
+{
+	uuid_vec_t selected_uuids;
+	getCurrentItemIDs(selected_uuids);
+	// Spawn at bottom left corner of the button.
+	LLPanelPeopleMenus::gNearbyMenu.show(btn, selected_uuids, 0, 0);
+}
+
 void LLPanelPeople::onImButtonClicked()
 {
 	uuid_vec_t selected_uuids;
@@ -1219,11 +1157,6 @@ void LLPanelPeople::onImButtonClicked()
 	}
 }
 
-void LLPanelPeople::onActivateButtonClicked()
-{
-	LLGroupActions::activate(mGroupList->getSelectedUUID());
-}
-
 // static
 void LLPanelPeople::onAvatarPicked(const uuid_vec_t& ids, const std::vector<LLAvatarName> names)
 {
@@ -1231,19 +1164,15 @@ void LLPanelPeople::onAvatarPicked(const uuid_vec_t& ids, const std::vector<LLAv
 		LLAvatarActions::requestFriendshipDialog(ids[0], names[0].getCompleteName());
 }
 
-void LLPanelPeople::onGroupPlusButtonClicked()
+bool LLPanelPeople::onGroupPlusButtonValidate()
 {
 	if (!gAgent.canJoinGroups())
 	{
 		LLNotificationsUtil::add("JoinedTooManyGroups");
-		return;
+		return false;
 	}
 
-	LLMenuGL* plus_menu = (LLMenuGL*)mGroupPlusMenuHandle.get();
-	if (!plus_menu)
-		return;
-
-	showGroupMenu(plus_menu);
+	return true;
 }
 
 void LLPanelPeople::onGroupMinusButtonClicked()
@@ -1288,10 +1217,6 @@ void LLPanelPeople::onFriendsViewSortMenuItemClicked(const LLSD& userdata)
 		mAllFriendList->showPermissions(show_permissions);
 		mOnlineFriendList->showPermissions(show_permissions);
 	}
-	else if (chosen_item == "panel_block_list_sidetray")
-	{
-		LLFloaterSidePanelContainer::showPanel("people", "panel_block_list_sidetray", LLSD());
-	}
 }
 
 void LLPanelPeople::onGroupsViewSortMenuItemClicked(const LLSD& userdata)
@@ -1324,10 +1249,6 @@ void LLPanelPeople::onNearbyViewSortMenuItemClicked(const LLSD& userdata)
 	{
 		setSortOrder(mNearbyList, E_SORT_BY_DISTANCE);
 	}
-	else if (chosen_item == "panel_block_list_sidetray")
-	{
-		LLFloaterSidePanelContainer::showPanel("people", "panel_block_list_sidetray", LLSD());
-	}
 }
 
 bool LLPanelPeople::onNearbyViewSortMenuItemCheck(const LLSD& userdata)
@@ -1361,10 +1282,6 @@ void LLPanelPeople::onRecentViewSortMenuItemClicked(const LLSD& userdata)
 	{
 		mRecentList->toggleIcons();
 	}
-	else if (chosen_item == "panel_block_list_sidetray")
-	{
-		LLFloaterSidePanelContainer::showPanel("people", "panel_block_list_sidetray", LLSD());
-	}
 }
 
 bool LLPanelPeople::onFriendsViewSortMenuItemCheck(const LLSD& userdata) 
@@ -1393,40 +1310,6 @@ bool LLPanelPeople::onRecentViewSortMenuItemCheck(const LLSD& userdata)
 	return false;
 }
 
-void LLPanelPeople::onCallButtonClicked()
-{
-	uuid_vec_t selected_uuids;
-	getCurrentItemIDs(selected_uuids);
-
-	if (selected_uuids.size() == 1)
-	{
-		// initiate a P2P voice chat with the selected user
-		LLAvatarActions::startCall(getCurrentItemID());
-	}
-	else if (selected_uuids.size() > 1)
-	{
-		// initiate an ad-hoc voice chat with multiple users
-		LLAvatarActions::startAdhocCall(selected_uuids);
-	}
-}
-
-void LLPanelPeople::onGroupCallButtonClicked()
-{
-	LLGroupActions::startCall(getCurrentItemID());
-}
-
-void LLPanelPeople::onTeleportButtonClicked()
-{
-	uuid_vec_t selected_uuids;
-	getCurrentItemIDs(selected_uuids);
-	LLAvatarActions::offerTeleport(selected_uuids);
-}
-
-void LLPanelPeople::onShareButtonClicked()
-{
-	LLAvatarActions::share(getCurrentItemID());
-}
-
 void LLPanelPeople::onMoreButtonClicked()
 {
 	// *TODO: not implemented yet
diff --git a/indra/newview/llpanelpeople.h b/indra/newview/llpanelpeople.h
index 46c58cd139..4740964dee 100644
--- a/indra/newview/llpanelpeople.h
+++ b/indra/newview/llpanelpeople.h
@@ -68,6 +68,8 @@ private:
 		E_SORT_BY_RECENT_SPEAKERS = 4,
 	} ESortOrder;
 
+    void				    removePicker();
+
 	// methods indirectly called by the updaters
 	void					updateFriendListHelpText();
 	void					updateFriendList();
@@ -80,31 +82,22 @@ private:
 	std::string				getActiveTabName() const;
 	LLUUID					getCurrentItemID() const;
 	void					getCurrentItemIDs(uuid_vec_t& selected_uuids) const;
-	void					buttonSetVisible(std::string btn_name, BOOL visible);
-	void					buttonSetEnabled(const std::string& btn_name, bool enabled);
-	void					buttonSetAction(const std::string& btn_name, const commit_signal_t::slot_type& cb);
 	void					showGroupMenu(LLMenuGL* menu);
 	void					setSortOrder(LLAvatarList* list, ESortOrder order, bool save = true);
 
 	// UI callbacks
 	void					onFilterEdit(const std::string& search_string);
 	void					onTabSelected(const LLSD& param);
-	void					onViewProfileButtonClicked();
 	void					onAddFriendButtonClicked();
 	void					onAddFriendWizButtonClicked();
 	void					onDeleteFriendButtonClicked();
-	void					onGroupInfoButtonClicked();
 	void					onChatButtonClicked();
+	void					onGearButtonClicked(LLUICtrl* btn);
 	void					onImButtonClicked();
-	void					onCallButtonClicked();
-	void					onGroupCallButtonClicked();
-	void					onTeleportButtonClicked();
-	void					onShareButtonClicked();
 	void					onMoreButtonClicked();
-	void					onActivateButtonClicked();
 	void					onAvatarListDoubleClicked(LLUICtrl* ctrl);
 	void					onAvatarListCommitted(LLAvatarList* list);
-	void					onGroupPlusButtonClicked();
+	bool					onGroupPlusButtonValidate();
 	void					onGroupMinusButtonClicked();
 	void					onGroupPlusMenuItemClicked(const LLSD& userdata);
 
@@ -113,8 +106,6 @@ private:
 	void					onGroupsViewSortMenuItemClicked(const LLSD& userdata);
 	void					onRecentViewSortMenuItemClicked(const LLSD& userdata);
 
-	//returns false only if group is "none"
-	bool					isRealGroup();
 	bool					onFriendsViewSortMenuItemCheck(const LLSD& userdata);
 	bool					onRecentViewSortMenuItemCheck(const LLSD& userdata);
 	bool					onNearbyViewSortMenuItemCheck(const LLSD& userdata);
@@ -135,7 +126,6 @@ private:
 	bool					isAccordionCollapsedByUser(LLUICtrl* acc_tab);
 	bool					isAccordionCollapsedByUser(const std::string& name);
 
-	LLFilterEditor*			mFilterEditor;
 	LLTabContainer*			mTabContainer;
 	LLAvatarList*			mOnlineFriendList;
 	LLAvatarList*			mAllFriendList;
@@ -144,24 +134,14 @@ private:
 	LLGroupList*			mGroupList;
 	LLNetMap*				mMiniMap;
 
-	LLHandle<LLView>		mGroupPlusMenuHandle;
-	LLHandle<LLView>		mNearbyViewSortMenuHandle;
-	LLHandle<LLView>		mFriendsViewSortMenuHandle;
-	LLHandle<LLView>		mGroupsViewSortMenuHandle;
-	LLHandle<LLView>		mRecentViewSortMenuHandle;
+	std::vector<std::string> mSavedOriginalFilters;
+	std::vector<std::string> mSavedFilters;
 
 	Updater*				mFriendListUpdater;
 	Updater*				mNearbyListUpdater;
 	Updater*				mRecentListUpdater;
 	Updater*				mButtonsUpdater;
-
-	LLMenuButton*			mNearbyGearButton;
-	LLMenuButton*			mFriendsGearButton;
-	LLMenuButton*			mGroupsGearButton;
-	LLMenuButton*			mRecentGearButton;
-
-	std::string				mFilterSubString;
-	std::string				mFilterSubStringOrig;
+    LLHandle< LLFloater >	mPicker;
 };
 
 #endif //LL_LLPANELPEOPLE_H
diff --git a/indra/newview/llpanelpeoplemenus.cpp b/indra/newview/llpanelpeoplemenus.cpp
index f12c4de2f7..899771f3b9 100644
--- a/indra/newview/llpanelpeoplemenus.cpp
+++ b/indra/newview/llpanelpeoplemenus.cpp
@@ -51,6 +51,7 @@ LLContextMenu* NearbyMenu::createMenu()
 	// set up the callbacks for all of the avatar menu items
 	LLUICtrl::CommitCallbackRegistry::ScopedRegistrar registrar;
 	LLUICtrl::EnableCallbackRegistry::ScopedRegistrar enable_registrar;
+	LLContextMenu* menu;
 
 	if ( mUUIDs.size() == 1 )
 	{
@@ -67,20 +68,22 @@ LLContextMenu* NearbyMenu::createMenu()
 		registrar.add("Avatar.Share",			boost::bind(&LLAvatarActions::share,					id));
 		registrar.add("Avatar.Pay",				boost::bind(&LLAvatarActions::pay,						id));
 		registrar.add("Avatar.BlockUnblock",	boost::bind(&LLAvatarActions::toggleBlock,				id));
+		registrar.add("Avatar.InviteToGroup",	boost::bind(&LLAvatarActions::inviteToGroup,			id));
+		registrar.add("Avatar.Calllog",			boost::bind(&LLAvatarActions::viewChatHistory,			id));
 
 		enable_registrar.add("Avatar.EnableItem", boost::bind(&NearbyMenu::enableContextMenuItem,	this, _2));
 		enable_registrar.add("Avatar.CheckItem",  boost::bind(&NearbyMenu::checkContextMenuItem,	this, _2));
 
 		// create the context menu from the XUI
-		return createFromFile("menu_people_nearby.xml");
+		menu = createFromFile("menu_people_nearby.xml");
 	}
 	else
 	{
 		// Set up for multi-selected People
 
 		// registrar.add("Avatar.AddFriend",	boost::bind(&LLAvatarActions::requestFriendshipDialog,	mUUIDs)); // *TODO: unimplemented
-		registrar.add("Avatar.IM",			boost::bind(&LLAvatarActions::startConference,			mUUIDs));
-		registrar.add("Avatar.Call",		boost::bind(&LLAvatarActions::startAdhocCall,			mUUIDs));
+		registrar.add("Avatar.IM",			boost::bind(&LLAvatarActions::startConference,			mUUIDs, LLUUID::null));
+		registrar.add("Avatar.Call",		boost::bind(&LLAvatarActions::startAdhocCall,			mUUIDs, LLUUID::null));
 		registrar.add("Avatar.OfferTeleport",	boost::bind(&NearbyMenu::offerTeleport,					this));
 		registrar.add("Avatar.RemoveFriend",boost::bind(&LLAvatarActions::removeFriendsDialog,		mUUIDs));
 		// registrar.add("Avatar.Share",		boost::bind(&LLAvatarActions::startIM,					mUUIDs)); // *TODO: unimplemented
@@ -88,8 +91,10 @@ LLContextMenu* NearbyMenu::createMenu()
 		enable_registrar.add("Avatar.EnableItem",	boost::bind(&NearbyMenu::enableContextMenuItem,	this, _2));
 
 		// create the context menu from the XUI
-		return createFromFile("menu_people_nearby_multiselect.xml");
+		menu = createFromFile("menu_people_nearby_multiselect.xml");
 	}
+
+    return menu;
 }
 
 bool NearbyMenu::enableContextMenuItem(const LLSD& userdata)
diff --git a/indra/newview/llpanelplaceprofile.cpp b/indra/newview/llpanelplaceprofile.cpp
index ce8057eead..83b70d9f29 100644
--- a/indra/newview/llpanelplaceprofile.cpp
+++ b/indra/newview/llpanelplaceprofile.cpp
@@ -499,9 +499,7 @@ void LLPanelPlaceProfile::displaySelectedParcelInfo(LLParcel* parcel,
 			std::string parcel_owner =
 				LLSLURL("agent", parcel->getOwnerID(), "inspect").getSLURLString();
 			mParcelOwner->setText(parcel_owner);
-			LLAvatarNameCache::get(region->getOwner(),
-								   boost::bind(&LLPanelPlaceInfo::onAvatarNameCache,
-											   _1, _2, mRegionOwnerText));
+			LLAvatarNameCache::get(region->getOwner(), boost::bind(&LLPanelPlaceInfo::onAvatarNameCache, _1, _2, mRegionOwnerText));
 		}
 
 		if(LLParcel::OS_LEASE_PENDING == parcel->getOwnershipStatus())
@@ -523,9 +521,7 @@ void LLPanelPlaceProfile::displaySelectedParcelInfo(LLParcel* parcel,
 		const LLUUID& auth_buyer_id = parcel->getAuthorizedBuyerID();
 		if(auth_buyer_id.notNull())
 		{
-			LLAvatarNameCache::get(auth_buyer_id,
-								   boost::bind(&LLPanelPlaceInfo::onAvatarNameCache,
-											   _1, _2, mSaleToText));
+			LLAvatarNameCache::get(auth_buyer_id, boost::bind(&LLPanelPlaceInfo::onAvatarNameCache, _1, _2, mSaleToText));
 			
 			// Show sales info to a specific person or a group he belongs to.
 			if (auth_buyer_id != gAgent.getID() && !gAgent.isInGroup(auth_buyer_id))
diff --git a/indra/newview/llpanelplaceprofile.h b/indra/newview/llpanelplaceprofile.h
index a33fc12ce4..f4c6145881 100644
--- a/indra/newview/llpanelplaceprofile.h
+++ b/indra/newview/llpanelplaceprofile.h
@@ -38,7 +38,7 @@ class LLPanelPlaceProfile : public LLPanelPlaceInfo
 public:
 	LLPanelPlaceProfile();
 	/*virtual*/ ~LLPanelPlaceProfile();
-
+	
 	/*virtual*/ BOOL postBuild();
 
 	/*virtual*/ void resetLocation();
diff --git a/indra/newview/llpaneltopinfobar.cpp b/indra/newview/llpaneltopinfobar.cpp
index 280cc11179..854deb00d0 100644
--- a/indra/newview/llpaneltopinfobar.cpp
+++ b/indra/newview/llpaneltopinfobar.cpp
@@ -230,7 +230,7 @@ void LLPanelTopInfoBar::buildLocationString(std::string& loc_str, bool show_coor
 void LLPanelTopInfoBar::setParcelInfoText(const std::string& new_text)
 {
 	LLRect old_rect = getRect();
-	const LLFontGL* font = mParcelInfoText->getDefaultFont();
+	const LLFontGL* font = mParcelInfoText->getFont();
 	S32 new_text_width = font->getWidth(new_text);
 
 	mParcelInfoText->setText(new_text);
diff --git a/indra/newview/llparticipantlist.cpp b/indra/newview/llparticipantlist.cpp
index 975a6c67d8..c53760bca1 100644
--- a/indra/newview/llparticipantlist.cpp
+++ b/indra/newview/llparticipantlist.cpp
@@ -1,6 +1,6 @@
 /** 
  * @file llparticipantlist.cpp
- * @brief LLParticipantList intended to update view(LLAvatarList) according to incoming messages
+ * @brief LLParticipantList : model of a conversation session with added speaker events handling
  *
  * $LicenseInfo:firstyear=2009&license=viewerlgpl$
  * Second Life Viewer Source Code
@@ -26,38 +26,17 @@
 
 #include "llviewerprecompiledheaders.h"
 
-// common includes
-#include "lltrans.h"
-#include "llavataractions.h"
-#include "llagent.h"
-
+#include "llavatarnamecache.h"
 #include "llimview.h"
-#include "llnotificationsutil.h"
+#include "llfloaterimcontainer.h"
 #include "llparticipantlist.h"
 #include "llspeakers.h"
-#include "llviewercontrol.h"
-#include "llviewermenu.h"
-#include "llvoiceclient.h"
 
 //LLParticipantList retrieves add, clear and remove events and updates view accordingly 
 #if LL_MSVC
 #pragma warning (disable : 4355) // 'this' used in initializer list: yes, intentionally
 #endif
 
-static const LLAvatarItemAgentOnTopComparator AGENT_ON_TOP_NAME_COMPARATOR;
-
-// helper function to update AvatarList Item's indicator in the voice participant list
-static void update_speaker_indicator(const LLAvatarList* const avatar_list, const LLUUID& avatar_uuid, bool is_muted)
-{
-	LLAvatarListItem* item = dynamic_cast<LLAvatarListItem*>(avatar_list->getItemByValue(avatar_uuid));
-	if (item)
-	{
-		LLOutputMonitorCtrl* indicator = item->getChild<LLOutputMonitorCtrl>("speaking_indicator");
-		indicator->setIsMuted(is_muted);
-	}
-}
-
-
 // See EXT-4301.
 /**
  * class LLAvalineUpdater - observe the list of voice participants in session and check
@@ -197,15 +176,9 @@ private:
 	uuid_set_t mAvalineCallers;
 };
 
-LLParticipantList::LLParticipantList(LLSpeakerMgr* data_source, 
-									 LLAvatarList* avatar_list,
-									 bool use_context_menu/* = true*/,
-									 bool exclude_agent /*= true*/, 
-									 bool can_toggle_icons /*= true*/) :
+LLParticipantList::LLParticipantList(LLSpeakerMgr* data_source, LLFolderViewModelInterface& root_view_model) :
+	LLConversationItemSession(data_source->getSessionID(), root_view_model),
 	mSpeakerMgr(data_source),
-	mAvatarList(avatar_list),
-	mParticipantListMenu(NULL),
-	mExcludeAgent(exclude_agent),
 	mValidateSpeakerCallback(NULL)
 {
 
@@ -216,36 +189,16 @@ LLParticipantList::LLParticipantList(LLSpeakerMgr* data_source,
 	mSpeakerRemoveListener = new SpeakerRemoveListener(*this);
 	mSpeakerClearListener = new SpeakerClearListener(*this);
 	mSpeakerModeratorListener = new SpeakerModeratorUpdateListener(*this);
+	mSpeakerUpdateListener = new SpeakerUpdateListener(*this);
 	mSpeakerMuteListener = new SpeakerMuteListener(*this);
 
 	mSpeakerMgr->addListener(mSpeakerAddListener, "add");
 	mSpeakerMgr->addListener(mSpeakerRemoveListener, "remove");
 	mSpeakerMgr->addListener(mSpeakerClearListener, "clear");
 	mSpeakerMgr->addListener(mSpeakerModeratorListener, "update_moderator");
+	mSpeakerMgr->addListener(mSpeakerUpdateListener, "update_speaker");
 
-	mAvatarList->setNoItemsCommentText(LLTrans::getString("LoadingData"));
-	LL_DEBUGS("SpeakingIndicator") << "Set session for speaking indicators: " << mSpeakerMgr->getSessionID() << LL_ENDL;
-	mAvatarList->setSessionID(mSpeakerMgr->getSessionID());
-	mAvatarListDoubleClickConnection = mAvatarList->setItemDoubleClickCallback(boost::bind(&LLParticipantList::onAvatarListDoubleClicked, this, _1));
-	mAvatarListRefreshConnection = mAvatarList->setRefreshCompleteCallback(boost::bind(&LLParticipantList::onAvatarListRefreshed, this, _1, _2));
-    // Set onAvatarListDoubleClicked as default on_return action.
-	mAvatarListReturnConnection = mAvatarList->setReturnCallback(boost::bind(&LLParticipantList::onAvatarListDoubleClicked, this, mAvatarList));
-
-	if (use_context_menu)
-	{
-		mParticipantListMenu = new LLParticipantListMenu(*this);
-		mAvatarList->setContextMenu(mParticipantListMenu);
-	}
-	else
-	{
-		mAvatarList->setContextMenu(NULL);
-	}
-
-	if (use_context_menu && can_toggle_icons)
-	{
-		mAvatarList->setShowIcons("ParticipantListShowIcons");
-		mAvatarListToggleIconsConnection = gSavedSettings.getControl("ParticipantListShowIcons")->getSignal()->connect(boost::bind(&LLAvatarList::toggleIcons, mAvatarList));
-	}
+	setSessionID(mSpeakerMgr->getSessionID());
 
 	//Lets fill avatarList with existing speakers
 	LLSpeakerMgr::speaker_list_t speaker_list;
@@ -264,138 +217,32 @@ LLParticipantList::LLParticipantList(LLSpeakerMgr* data_source,
 			mModeratorToRemoveList.insert(speakerp->mID);
 		}
 	}
-	// we need to exclude agent id for non group chat
-	sort();
-}
-
-LLParticipantList::~LLParticipantList()
-{
-	mAvatarListDoubleClickConnection.disconnect();
-	mAvatarListRefreshConnection.disconnect();
-	mAvatarListReturnConnection.disconnect();
-	mAvatarListToggleIconsConnection.disconnect();
-
-	// It is possible Participant List will be re-created from LLCallFloater::onCurrentChannelChanged()
-	// See ticket EXT-3427
-	// hide menu before deleting it to stop enable and check handlers from triggering.
-	if(mParticipantListMenu && !LLApp::isExiting())
-	{
-		mParticipantListMenu->hide();
-	}
-
-	if (mParticipantListMenu)
-	{
-		delete mParticipantListMenu;
-		mParticipantListMenu = NULL;
-	}
-
-	mAvatarList->setContextMenu(NULL);
-	mAvatarList->setComparator(NULL);
-
-	delete mAvalineUpdater;
-}
-
-void LLParticipantList::setSpeakingIndicatorsVisible(BOOL visible)
-{
-	mAvatarList->setSpeakingIndicatorsVisible(visible);
-};
-
-void LLParticipantList::onAvatarListDoubleClicked(LLUICtrl* ctrl)
-{
-	LLAvatarListItem* item = dynamic_cast<LLAvatarListItem*>(ctrl);
-	if(!item)
-	{
-		return;
-	}
-
-	LLUUID clicked_id = item->getAvatarId();
-
-	if (clicked_id.isNull() || clicked_id == gAgent.getID())
-		return;
 	
-	LLAvatarActions::startIM(clicked_id);
-}
-
-void LLParticipantList::onAvatarListRefreshed(LLUICtrl* ctrl, const LLSD& param)
-{
-	LLAvatarList* list = dynamic_cast<LLAvatarList*>(ctrl);
-	if (list)
+	// Identify and store what kind of session we are
+	LLIMModel::LLIMSession* im_session = LLIMModel::getInstance()->findIMSession(data_source->getSessionID());
+	if (im_session)
 	{
-		const std::string moderator_indicator(LLTrans::getString("IM_moderator_label")); 
-		const std::size_t moderator_indicator_len = moderator_indicator.length();
-
-		// Firstly remove moderators indicator
-		std::set<LLUUID>::const_iterator
-			moderator_list_it = mModeratorToRemoveList.begin(),
-			moderator_list_end = mModeratorToRemoveList.end();
-		for (;moderator_list_it != moderator_list_end; ++moderator_list_it)
+		// By default, sessions that can't be identified as group or ad-hoc will be considered P2P (i.e. 1 on 1)
+		mConvType = CONV_SESSION_1_ON_1;
+		if (im_session->isAdHocSessionType())
 		{
-			LLAvatarListItem* item = dynamic_cast<LLAvatarListItem*> (list->getItemByValue(*moderator_list_it));
-			if ( item )
-			{
-				std::string name = item->getAvatarName();
-				std::string tooltip = item->getAvatarToolTip();
-				size_t found = name.find(moderator_indicator);
-				if (found != std::string::npos)
-				{
-					name.erase(found, moderator_indicator_len);
-					item->setAvatarName(name);
-				}
-				found = tooltip.find(moderator_indicator);
-				if (found != tooltip.npos)
-				{
-					tooltip.erase(found, moderator_indicator_len);
-					item->setAvatarToolTip(tooltip);
-				}
-			}
-		}
-
-		mModeratorToRemoveList.clear();
-
-		// Add moderators indicator
-		moderator_list_it = mModeratorList.begin();
-		moderator_list_end = mModeratorList.end();
-		for (;moderator_list_it != moderator_list_end; ++moderator_list_it)
-		{
-			LLAvatarListItem* item = dynamic_cast<LLAvatarListItem*> (list->getItemByValue(*moderator_list_it));
-			if ( item )
-			{
-				std::string name = item->getAvatarName();
-				std::string tooltip = item->getAvatarToolTip();
-				size_t found = name.find(moderator_indicator);
-				if (found == std::string::npos)
-				{
-					name += " ";
-					name += moderator_indicator;
-					item->setAvatarName(name);
-				}
-				found = tooltip.find(moderator_indicator);
-				if (found == std::string::npos)
-				{
-					tooltip += " ";
-					tooltip += moderator_indicator;
-					item->setAvatarToolTip(tooltip);
-				}
-			}
+			mConvType = CONV_SESSION_AD_HOC;
 		}
-
-		// update voice mute state of all items. See EXT-7235
-		LLSpeakerMgr::speaker_list_t speaker_list;
-
-		// Use also participants which are not in voice session now (the second arg is TRUE).
-		// They can already have mModeratorMutedVoice set from the previous voice session
-		// and LLSpeakerVoiceModerationEvent will not be sent when speaker manager is updated next time.
-		mSpeakerMgr->getSpeakerList(&speaker_list, TRUE);
-		for(LLSpeakerMgr::speaker_list_t::iterator it = speaker_list.begin(); it != speaker_list.end(); it++)
+		else if (im_session->isGroupSessionType())
 		{
-			const LLPointer<LLSpeaker>& speakerp = *it;
-
-			if (speakerp->mStatus == LLSpeaker::STATUS_TEXT_ONLY)
-			{
-				update_speaker_indicator(list, speakerp->mID, speakerp->mModeratorMutedVoice);
-			}
+			mConvType = CONV_SESSION_GROUP;
 		}
 	}
+	else 
+	{
+		// That's the only session that doesn't get listed in the LLIMModel as a session...
+		mConvType = CONV_SESSION_NEARBY;
+	}
+}
+
+LLParticipantList::~LLParticipantList()
+{
+	delete mAvalineUpdater;
 }
 
 /*
@@ -411,31 +258,11 @@ void LLParticipantList::onAvatarListRefreshed(LLUICtrl* ctrl, const LLSD& param)
 */
 void LLParticipantList::onAvalineCallerFound(const LLUUID& participant_id)
 {
-	LLPanel* item = mAvatarList->getItemByValue(participant_id);
-
-	if (NULL == item)
+	LLConversationItemParticipant* participant = findParticipant(participant_id);
+	if (participant)
 	{
-		LL_WARNS("Avaline") << "Something wrong. Unable to find item for: " << participant_id << LL_ENDL;
-		return;
+		removeParticipant(participant);
 	}
-
-	if (typeid(*item) == typeid(LLAvalineListItem))
-	{
-		LL_DEBUGS("Avaline") << "Avaline caller has already correct class type for: " << participant_id << LL_ENDL;
-		// item representing an Avaline caller has a correct type already.
-		return;
-	}
-
-	LL_DEBUGS("Avaline") << "remove item from the list and re-add it: " << participant_id << LL_ENDL;
-
-	// remove UUID from LLAvatarList::mIDs to be able add it again.
-	uuid_vec_t& ids = mAvatarList->getIDs();
-	uuid_vec_t::iterator pos = std::find(ids.begin(), ids.end(), participant_id);
-	ids.erase(pos);
-
-	// remove item directly
-	mAvatarList->removeItem(item);
-
 	// re-add avaline caller with a correct class instance.
 	addAvatarIDExceptAgent(participant_id);
 }
@@ -447,23 +274,6 @@ void LLParticipantList::onAvalineCallerRemoved(const LLUUID& participant_id)
 	mSpeakerMgr->removeAvalineSpeaker(participant_id);
 }
 
-void LLParticipantList::setSortOrder(EParticipantSortOrder order)
-{
-	const U32 speaker_sort_order = gSavedSettings.getU32("SpeakerParticipantDefaultOrder");
-
-	if ( speaker_sort_order != order )
-	{
-		gSavedSettings.setU32("SpeakerParticipantDefaultOrder", (U32)order);
-		sort();
-	}
-}
-
-const LLParticipantList::EParticipantSortOrder LLParticipantList::getSortOrder() const
-{
-	const U32 speaker_sort_order = gSavedSettings.getU32("SpeakerParticipantDefaultOrder");
-	return EParticipantSortOrder(speaker_sort_order);
-}
-
 void LLParticipantList::setValidateSpeakerCallback(validate_speaker_callback_t cb)
 {
 	mValidateSpeakerCallback = cb;
@@ -472,19 +282,6 @@ void LLParticipantList::setValidateSpeakerCallback(validate_speaker_callback_t c
 void LLParticipantList::update()
 {
 	mSpeakerMgr->update(true);
-
-	if (E_SORT_BY_RECENT_SPEAKERS == getSortOrder() && !isHovered())
-	{
-		// Resort avatar list
-		sort();
-	}
-}
-
-bool LLParticipantList::isHovered()
-{
-	S32 x, y;
-	LLUI::getMousePositionScreen(&x, &y);
-	return mAvatarList->calcScreenRect().pointInRect(x, y);
 }
 
 bool LLParticipantList::onAddItemEvent(LLPointer<LLOldEvents::LLEvent> event, const LLSD& userdata)
@@ -497,27 +294,34 @@ bool LLParticipantList::onAddItemEvent(LLPointer<LLOldEvents::LLEvent> event, co
 	}
 
 	addAvatarIDExceptAgent(uu_id);
-	sort();
 	return true;
 }
 
 bool LLParticipantList::onRemoveItemEvent(LLPointer<LLOldEvents::LLEvent> event, const LLSD& userdata)
 {
-	uuid_vec_t& group_members = mAvatarList->getIDs();
-	uuid_vec_t::iterator pos = std::find(group_members.begin(), group_members.end(), event->getValue().asUUID());
-	if(pos != group_members.end())
-	{
-		group_members.erase(pos);
-		mAvatarList->setDirty();
-	}
+	LLUUID avatar_id = event->getValue().asUUID();
+	removeParticipant(avatar_id);
 	return true;
 }
 
 bool LLParticipantList::onClearListEvent(LLPointer<LLOldEvents::LLEvent> event, const LLSD& userdata)
 {
-	uuid_vec_t& group_members = mAvatarList->getIDs();
-	group_members.clear();
-	mAvatarList->setDirty();
+	clearParticipants();
+	return true;
+}
+
+bool LLParticipantList::onSpeakerUpdateEvent(LLPointer<LLOldEvents::LLEvent> event, const LLSD& userdata)
+{
+	const LLSD& evt_data = event->getValue();
+	if ( evt_data.has("id") )
+	{
+		LLUUID participant_id = evt_data["id"];
+		LLFloaterIMContainer* im_box = LLFloaterIMContainer::findInstance();
+		if (im_box)
+		{
+			im_box->setTimeNow(mUUID,participant_id);
+		}
+	}
 	return true;
 }
 
@@ -541,9 +345,7 @@ bool LLParticipantList::onModeratorUpdateEvent(LLPointer<LLOldEvents::LLEvent> e
 					mModeratorList.erase(id);
 				}
 			}
-
-			// apply changes immediately
-			onAvatarListRefreshed(mAvatarList, LLSD());
+			// *TODO : do we have to fire an event so that LLFloaterIMSessionTab::refreshConversation() gets called
 		}
 	}
 	return true;
@@ -557,60 +359,45 @@ bool LLParticipantList::onSpeakerMuteEvent(LLPointer<LLOldEvents::LLEvent> event
 	// update UI on confirmation of moderator mutes
 	if (event->getValue().asString() == "voice")
 	{
-		update_speaker_indicator(mAvatarList, speakerp->mID, speakerp->mModeratorMutedVoice);
+		setParticipantIsMuted(speakerp->mID, speakerp->mModeratorMutedVoice);
 	}
 	return true;
 }
 
-void LLParticipantList::sort()
+void LLParticipantList::addAvatarIDExceptAgent(const LLUUID& avatar_id)
 {
-	if ( !mAvatarList )
-		return;
-
-	switch ( getSortOrder() ) 
+	// Do not add if already in there, is the session id (hence not an avatar) or excluded for some reason
+	if (findParticipant(avatar_id) || (avatar_id == mUUID))
 	{
-		case E_SORT_BY_NAME :
-			// if mExcludeAgent == true , then no need to keep agent on top of the list
-			if(mExcludeAgent)
-			{
-				mAvatarList->sortByName();
-			}
-			else
-			{
-				mAvatarList->setComparator(&AGENT_ON_TOP_NAME_COMPARATOR);
-				mAvatarList->sort();
-			}
-			break;
-		case E_SORT_BY_RECENT_SPEAKERS:
-			if (mSortByRecentSpeakers.isNull())
-				mSortByRecentSpeakers = new LLAvatarItemRecentSpeakerComparator(*this);
-			mAvatarList->setComparator(mSortByRecentSpeakers.get());
-			mAvatarList->sort();
-			break;
-		default :
-			llwarns << "Unrecognized sort order for " << mAvatarList->getName() << llendl;
-			return;
+		return;
 	}
-}
-
-void LLParticipantList::addAvatarIDExceptAgent(const LLUUID& avatar_id)
-{
-	if (mExcludeAgent && gAgent.getID() == avatar_id) return;
-	if (mAvatarList->contains(avatar_id)) return;
 
 	bool is_avatar = LLVoiceClient::getInstance()->isParticipantAvatar(avatar_id);
 
+	LLConversationItemParticipant* participant = NULL;
+	
 	if (is_avatar)
 	{
-		mAvatarList->getIDs().push_back(avatar_id);
-		mAvatarList->setDirty();
+		// Create a participant view model instance
+		LLAvatarName avatar_name;
+		bool has_name = LLAvatarNameCache::get(avatar_id, &avatar_name);
+		participant = new LLConversationItemParticipant(!has_name ? LLTrans::getString("AvatarNameWaiting") : avatar_name.getDisplayName() , avatar_id, mRootViewModel);
+		participant->fetchAvatarName();
 	}
 	else
 	{
 		std::string display_name = LLVoiceClient::getInstance()->getDisplayName(avatar_id);
-		mAvatarList->addAvalineItem(avatar_id, mSpeakerMgr->getSessionID(), display_name.empty() ? LLTrans::getString("AvatarNameWaiting") : display_name);
+		// Create a participant view model instance
+		participant = new LLConversationItemParticipant(display_name.empty() ? LLTrans::getString("AvatarNameWaiting") : display_name, avatar_id, mRootViewModel);
 		mAvalineUpdater->watchAvalineCaller(avatar_id);
 	}
+
+	// *TODO : Need to update the online/offline status of the participant
+	// Hack for this: LLAvatarTracker::instance().isBuddyOnline(avatar_id))
+	
+	// Add the participant model to the session's children list
+	addParticipant(participant);
+
 	adjustParticipant(avatar_id);
 }
 
@@ -629,12 +416,12 @@ void LLParticipantList::adjustParticipant(const LLUUID& speaker_id)
 bool LLParticipantList::SpeakerAddListener::handleEvent(LLPointer<LLOldEvents::LLEvent> event, const LLSD& userdata)
 {
 	/**
-	 * We need to filter speaking objects. These objects shouldn't appear in the list
+	 * We need to filter speaking objects. These objects shouldn't appear in the list.
 	 * @see LLFloaterChat::addChat() in llviewermessage.cpp to get detailed call hierarchy
 	 */
 	const LLUUID& speaker_id = event->getValue().asUUID();
 	LLPointer<LLSpeaker> speaker = mParent.mSpeakerMgr->findSpeaker(speaker_id);
-	if(speaker.isNull() || speaker->mType == LLSpeaker::SPEAKER_OBJECT)
+	if (speaker.isNull() || (speaker->mType == LLSpeaker::SPEAKER_OBJECT))
 	{
 		return false;
 	}
@@ -658,6 +445,14 @@ bool LLParticipantList::SpeakerClearListener::handleEvent(LLPointer<LLOldEvents:
 }
 
 //
+// LLParticipantList::SpeakerUpdateListener
+//
+bool LLParticipantList::SpeakerUpdateListener::handleEvent(LLPointer<LLOldEvents::LLEvent> event, const LLSD& userdata)
+{
+	return mParent.onSpeakerUpdateEvent(event, userdata);
+}
+
+//
 // LLParticipantList::SpeakerModeratorListener
 //
 bool LLParticipantList::SpeakerModeratorUpdateListener::handleEvent(LLPointer<LLOldEvents::LLEvent> event, const LLSD& userdata)
@@ -670,377 +465,4 @@ bool LLParticipantList::SpeakerMuteListener::handleEvent(LLPointer<LLOldEvents::
 	return mParent.onSpeakerMuteEvent(event, userdata);
 }
 
-LLContextMenu* LLParticipantList::LLParticipantListMenu::createMenu()
-{
-	// set up the callbacks for all of the avatar menu items
-	LLUICtrl::CommitCallbackRegistry::ScopedRegistrar registrar;
-	LLUICtrl::EnableCallbackRegistry::ScopedRegistrar enable_registrar;
-	
-	registrar.add("ParticipantList.Sort", boost::bind(&LLParticipantList::LLParticipantListMenu::sortParticipantList, this, _2));
-	registrar.add("ParticipantList.ToggleAllowTextChat", boost::bind(&LLParticipantList::LLParticipantListMenu::toggleAllowTextChat, this, _2));
-	registrar.add("ParticipantList.ToggleMuteText", boost::bind(&LLParticipantList::LLParticipantListMenu::toggleMuteText, this, _2));
-
-	registrar.add("Avatar.Profile",	boost::bind(&LLAvatarActions::showProfile, mUUIDs.front()));
-	registrar.add("Avatar.IM", boost::bind(&LLAvatarActions::startIM, mUUIDs.front()));
-	registrar.add("Avatar.AddFriend", boost::bind(&LLAvatarActions::requestFriendshipDialog, mUUIDs.front()));
-	registrar.add("Avatar.BlockUnblock", boost::bind(&LLParticipantList::LLParticipantListMenu::toggleMuteVoice, this, _2));
-	registrar.add("Avatar.Share", boost::bind(&LLAvatarActions::share, mUUIDs.front()));
-	registrar.add("Avatar.Pay",	boost::bind(&LLAvatarActions::pay, mUUIDs.front()));
-	registrar.add("Avatar.Call", boost::bind(&LLAvatarActions::startCall, mUUIDs.front()));
-
-	registrar.add("ParticipantList.ModerateVoice", boost::bind(&LLParticipantList::LLParticipantListMenu::moderateVoice, this, _2));
-
-	enable_registrar.add("ParticipantList.EnableItem", boost::bind(&LLParticipantList::LLParticipantListMenu::enableContextMenuItem,	this, _2));
-	enable_registrar.add("ParticipantList.EnableItem.Moderate", boost::bind(&LLParticipantList::LLParticipantListMenu::enableModerateContextMenuItem,	this, _2));
-	enable_registrar.add("ParticipantList.CheckItem",  boost::bind(&LLParticipantList::LLParticipantListMenu::checkContextMenuItem,	this, _2));
-
-	// create the context menu from the XUI
-	LLContextMenu* main_menu = createFromFile("menu_participant_list.xml");
-
-	// Don't show sort options for P2P chat
-	bool is_sort_visible = (mParent.mAvatarList && mParent.mAvatarList->size() > 1);
-	main_menu->setItemVisible("SortByName", is_sort_visible);
-	main_menu->setItemVisible("SortByRecentSpeakers", is_sort_visible);
-	main_menu->setItemVisible("Moderator Options Separator", isGroupModerator());
-	main_menu->setItemVisible("Moderator Options", isGroupModerator());
-	main_menu->setItemVisible("View Icons Separator", mParent.mAvatarListToggleIconsConnection.connected());
-	main_menu->setItemVisible("View Icons", mParent.mAvatarListToggleIconsConnection.connected());
-	main_menu->arrangeAndClear();
-
-	return main_menu;
-}
-
-void LLParticipantList::LLParticipantListMenu::show(LLView* spawning_view, const uuid_vec_t& uuids, S32 x, S32 y)
-{
-	if (uuids.size() == 0) return;
-
-	LLListContextMenu::show(spawning_view, uuids, x, y);
-
-	const LLUUID& speaker_id = mUUIDs.front();
-	BOOL is_muted = isMuted(speaker_id);
-
-	if (is_muted)
-	{
-		LLMenuGL::sMenuContainer->getChildView("ModerateVoiceMuteSelected")->setVisible( false);
-	}
-	else
-	{
-		LLMenuGL::sMenuContainer->getChildView("ModerateVoiceUnMuteSelected")->setVisible( false);
-	}
-}
-
-void LLParticipantList::LLParticipantListMenu::sortParticipantList(const LLSD& userdata)
-{
-	std::string param = userdata.asString();
-	if ("sort_by_name" == param)
-	{
-		mParent.setSortOrder(E_SORT_BY_NAME);
-	}
-	else if ("sort_by_recent_speakers" == param)
-	{
-		mParent.setSortOrder(E_SORT_BY_RECENT_SPEAKERS);
-	}
-}
-
-void LLParticipantList::LLParticipantListMenu::toggleAllowTextChat(const LLSD& userdata)
-{
-
-	LLIMSpeakerMgr* mgr = dynamic_cast<LLIMSpeakerMgr*>(mParent.mSpeakerMgr);
-	if (mgr)
-	{
-		const LLUUID speaker_id = mUUIDs.front();
-		mgr->toggleAllowTextChat(speaker_id);
-	}
-}
-
-void LLParticipantList::LLParticipantListMenu::toggleMute(const LLSD& userdata, U32 flags)
-{
-	const LLUUID speaker_id = mUUIDs.front();
-	BOOL is_muted = LLMuteList::getInstance()->isMuted(speaker_id, flags);
-	std::string name;
-
-	//fill in name using voice client's copy of name cache
-	LLPointer<LLSpeaker> speakerp = mParent.mSpeakerMgr->findSpeaker(speaker_id);
-	if (speakerp.isNull())
-	{
-		LL_WARNS("Speakers") << "Speaker " << speaker_id << " not found" << llendl;
-		return;
-	}
-	LLAvatarListItem* item = dynamic_cast<LLAvatarListItem*>(mParent.mAvatarList->getItemByValue(speaker_id));
-	if (NULL == item) return;
-
-	name = item->getAvatarName();
-
-	LLMute::EType mute_type;
-	switch (speakerp->mType)
-	{
-		case LLSpeaker::SPEAKER_AGENT:
-			mute_type = LLMute::AGENT;
-			break;
-		case LLSpeaker::SPEAKER_OBJECT:
-			mute_type = LLMute::OBJECT;
-			break;
-		case LLSpeaker::SPEAKER_EXTERNAL:
-		default:
-			mute_type = LLMute::EXTERNAL;
-			break;
-	}
-	LLMute mute(speaker_id, name, mute_type);
-
-	if (!is_muted)
-	{
-		LLMuteList::getInstance()->add(mute, flags);
-	}
-	else
-	{
-		LLMuteList::getInstance()->remove(mute, flags);
-	}
-}
-
-void LLParticipantList::LLParticipantListMenu::toggleMuteText(const LLSD& userdata)
-{
-	toggleMute(userdata, LLMute::flagTextChat);
-}
-
-void LLParticipantList::LLParticipantListMenu::toggleMuteVoice(const LLSD& userdata)
-{
-	toggleMute(userdata, LLMute::flagVoiceChat);
-}
-
-bool LLParticipantList::LLParticipantListMenu::isGroupModerator()
-{
-	if (!mParent.mSpeakerMgr)
-	{
-		llwarns << "Speaker manager is missing" << llendl;
-		return false;
-	}
-
-	// Is session a group call/chat?
-	if(gAgent.isInGroup(mParent.mSpeakerMgr->getSessionID()))
-	{
-		LLSpeaker* speaker = mParent.mSpeakerMgr->findSpeaker(gAgentID).get();
-
-		// Is agent a moderator?
-		return speaker && speaker->mIsModerator;
-	}
-	return false;
-}
-
-bool LLParticipantList::LLParticipantListMenu::isMuted(const LLUUID& avatar_id)
-{
-	LLPointer<LLSpeaker> selected_speakerp = mParent.mSpeakerMgr->findSpeaker(avatar_id);
-	if (!selected_speakerp) return true;
-
-	return selected_speakerp->mStatus == LLSpeaker::STATUS_MUTED;
-}
-
-void LLParticipantList::LLParticipantListMenu::moderateVoice(const LLSD& userdata)
-{
-	if (!gAgent.getRegion()) return;
-
-	bool moderate_selected = userdata.asString() == "selected";
-
-	if (moderate_selected)
-	{
-		const LLUUID& selected_avatar_id = mUUIDs.front();
-		bool is_muted = isMuted(selected_avatar_id);
-		moderateVoiceParticipant(selected_avatar_id, is_muted);
-	}
-	else
-	{
-		bool unmute_all = userdata.asString() == "unmute_all";
-		moderateVoiceAllParticipants(unmute_all);
-	}
-}
-
-void LLParticipantList::LLParticipantListMenu::moderateVoiceParticipant(const LLUUID& avatar_id, bool unmute)
-{
-	LLIMSpeakerMgr* mgr = dynamic_cast<LLIMSpeakerMgr*>(mParent.mSpeakerMgr);
-	if (mgr)
-	{
-		mgr->moderateVoiceParticipant(avatar_id, unmute);
-	}
-}
-
-void LLParticipantList::LLParticipantListMenu::moderateVoiceAllParticipants(bool unmute)
-{
-	LLIMSpeakerMgr* mgr = dynamic_cast<LLIMSpeakerMgr*>(mParent.mSpeakerMgr);
-	if (mgr)
-	{
-		if (!unmute)
-		{
-			LLSD payload;
-			payload["session_id"] = mgr->getSessionID();
-			LLNotificationsUtil::add("ConfirmMuteAll", LLSD(), payload, confirmMuteAllCallback);
-			return;
-		}
-
-		mgr->moderateVoiceAllParticipants(unmute);
-	}
-}
-
-// static
-void LLParticipantList::LLParticipantListMenu::confirmMuteAllCallback(const LLSD& notification, const LLSD& response)
-{
-	S32 option = LLNotificationsUtil::getSelectedOption(notification, response);
-	// if Cancel pressed
-	if (option == 1)
-	{
-		return;
-	}
-
-	const LLSD& payload = notification["payload"];
-	const LLUUID& session_id = payload["session_id"];
-
-	LLIMSpeakerMgr * speaker_manager = dynamic_cast<LLIMSpeakerMgr*> (
-		LLIMModel::getInstance()->getSpeakerManager(session_id));
-	if (speaker_manager)
-	{
-		speaker_manager->moderateVoiceAllParticipants(false);
-	}
-
-	return;
-}
-
-
-bool LLParticipantList::LLParticipantListMenu::enableContextMenuItem(const LLSD& userdata)
-{
-	std::string item = userdata.asString();
-	const LLUUID& participant_id = mUUIDs.front();
-
-	// For now non of "can_view_profile" action and menu actions listed below except "can_block"
-	// can be performed for Avaline callers.
-	bool is_participant_avatar = LLVoiceClient::getInstance()->isParticipantAvatar(participant_id);
-	if (!is_participant_avatar && "can_block" != item) return false;
-
-	if (item == "can_mute_text" || "can_block" == item || "can_share" == item || "can_im" == item 
-		|| "can_pay" == item)
-	{
-		return mUUIDs.front() != gAgentID;
-	}
-	else if (item == std::string("can_add"))
-	{
-		// We can add friends if:
-		// - there are selected people
-		// - and there are no friends among selection yet.
-
-		bool result = (mUUIDs.size() > 0);
-
-		uuid_vec_t::const_iterator
-			id = mUUIDs.begin(),
-			uuids_end = mUUIDs.end();
-
-		for (;id != uuids_end; ++id)
-		{
-			if ( *id == gAgentID || LLAvatarActions::isFriend(*id) )
-			{
-				result = false;
-				break;
-			}
-		}
-		return result;
-	}
-	else if (item == "can_call")
-	{
-		bool not_agent = mUUIDs.front() != gAgentID;
-		bool can_call = not_agent &&  LLVoiceClient::getInstance()->voiceEnabled() && LLVoiceClient::getInstance()->isVoiceWorking();
-		return can_call;
-	}
-
-	return true;
-}
-
-/*
-  Processed menu items with such parameters:
-  can_allow_text_chat
-  can_moderate_voice
-*/
-bool LLParticipantList::LLParticipantListMenu::enableModerateContextMenuItem(const LLSD& userdata)
-{
-	// only group moderators can perform actions related to this "enable callback"
-	if (!isGroupModerator()) return false;
-
-	const LLUUID& participant_id = mUUIDs.front();
-	LLPointer<LLSpeaker> speakerp = mParent.mSpeakerMgr->findSpeaker(participant_id);
-
-	// not in voice participants can not be moderated
-	bool speaker_in_voice = speakerp.notNull() && speakerp->isInVoiceChannel();
-
-	const std::string& item = userdata.asString();
-
-	if ("can_moderate_voice" == item)
-	{
-		return speaker_in_voice;
-	}
-
-	// For now non of menu actions except "can_moderate_voice" can be performed for Avaline callers.
-	bool is_participant_avatar = LLVoiceClient::getInstance()->isParticipantAvatar(participant_id);
-	if (!is_participant_avatar) return false;
-
-	return true;
-}
-
-bool LLParticipantList::LLParticipantListMenu::checkContextMenuItem(const LLSD& userdata)
-{
-	std::string item = userdata.asString();
-	const LLUUID& id = mUUIDs.front();
-
-	if (item == "is_muted")
-	{
-		return LLMuteList::getInstance()->isMuted(id, LLMute::flagTextChat);
-	}
-	else if (item == "is_allowed_text_chat")
-	{
-		LLPointer<LLSpeaker> selected_speakerp = mParent.mSpeakerMgr->findSpeaker(id);
-
-		if (selected_speakerp.notNull())
-		{
-			return !selected_speakerp->mModeratorMutedText;
-		}
-	}
-	else if(item == "is_blocked")
-	{
-		return LLMuteList::getInstance()->isMuted(id, LLMute::flagVoiceChat);
-	}
-	else if(item == "is_sorted_by_name")
-	{
-		return E_SORT_BY_NAME == mParent.getSortOrder();
-	}
-	else if(item == "is_sorted_by_recent_speakers")
-	{
-		return E_SORT_BY_RECENT_SPEAKERS == mParent.getSortOrder();
-	}
-
-	return false;
-}
-
-bool LLParticipantList::LLAvatarItemRecentSpeakerComparator::doCompare(const LLAvatarListItem* avatar_item1, const LLAvatarListItem* avatar_item2) const
-{
-	if (mParent.mSpeakerMgr)
-	{
-		LLPointer<LLSpeaker> lhs = mParent.mSpeakerMgr->findSpeaker(avatar_item1->getAvatarId());
-		LLPointer<LLSpeaker> rhs = mParent.mSpeakerMgr->findSpeaker(avatar_item2->getAvatarId());
-		if ( lhs.notNull() && rhs.notNull() )
-		{
-			// Compare by last speaking time
-			if( lhs->mLastSpokeTime != rhs->mLastSpokeTime )
-				return ( lhs->mLastSpokeTime > rhs->mLastSpokeTime );
-			else if ( lhs->mSortIndex != rhs->mSortIndex )
-				return ( lhs->mSortIndex < rhs->mSortIndex );
-		}
-		else if ( lhs.notNull() )
-		{
-			// True if only avatar_item1 speaker info available
-			return true;
-		}
-		else if ( rhs.notNull() )
-		{
-			// False if only avatar_item2 speaker info available
-			return false;
-		}
-	}
-	// By default compare by name.
-	return LLAvatarItemNameComparator::doCompare(avatar_item1, avatar_item2);
-}
-
 //EOF
diff --git a/indra/newview/llparticipantlist.h b/indra/newview/llparticipantlist.h
index 53966c15fe..3a3ae76604 100644
--- a/indra/newview/llparticipantlist.h
+++ b/indra/newview/llparticipantlist.h
@@ -1,6 +1,6 @@
 /** 
  * @file llparticipantlist.h
- * @brief LLParticipantList intended to update view(LLAvatarList) according to incoming messages
+ * @brief LLParticipantList : model of a conversation session with added speaker events handling
  *
  * $LicenseInfo:firstyear=2009&license=viewerlgpl$
  * Second Life Viewer Source Code
@@ -28,35 +28,21 @@
 #define LL_PARTICIPANTLIST_H
 
 #include "llviewerprecompiledheaders.h"
-#include "llevent.h"
-#include "llavatarlist.h" // for LLAvatarItemRecentSpeakerComparator
-#include "lllistcontextmenu.h"
+#include "llconversationmodel.h"
 
 class LLSpeakerMgr;
-class LLAvatarList;
 class LLUICtrl;
 class LLAvalineUpdater;
 
-class LLParticipantList
+class LLParticipantList : public LLConversationItemSession
 {
 	LOG_CLASS(LLParticipantList);
 public:
 
 	typedef boost::function<bool (const LLUUID& speaker_id)> validate_speaker_callback_t;
 
-	LLParticipantList(LLSpeakerMgr* data_source, 
-					  LLAvatarList* avatar_list, 
-					  bool use_context_menu = true, 
-					  bool exclude_agent = true, 
-					  bool can_toggle_icons = true);
+	LLParticipantList(LLSpeakerMgr* data_source, LLFolderViewModelInterface& root_view_model);
 	~LLParticipantList();
-	void setSpeakingIndicatorsVisible(BOOL visible);
-
-	enum EParticipantSortOrder
-	{
-		E_SORT_BY_NAME = 0,
-		E_SORT_BY_RECENT_SPEAKERS = 1,
-	};
 
 	/**
 	 * Adds specified avatar ID to the existing list if it is not Agent's ID
@@ -66,12 +52,6 @@ public:
 	void addAvatarIDExceptAgent(const LLUUID& avatar_id);
 
 	/**
-	 * Set and sort Avatarlist by given order
-	 */
-	void setSortOrder(EParticipantSortOrder order = E_SORT_BY_NAME);
-	const EParticipantSortOrder getSortOrder() const;
-
-	/**
 	 * Refreshes the participant list.
 	 */
 	void update();
@@ -93,14 +73,10 @@ protected:
 	bool onRemoveItemEvent(LLPointer<LLOldEvents::LLEvent> event, const LLSD& userdata);
 	bool onClearListEvent(LLPointer<LLOldEvents::LLEvent> event, const LLSD& userdata);
 	bool onModeratorUpdateEvent(LLPointer<LLOldEvents::LLEvent> event, const LLSD& userdata);
+	bool onSpeakerUpdateEvent(LLPointer<LLOldEvents::LLEvent> event, const LLSD& userdata);
 	bool onSpeakerMuteEvent(LLPointer<LLOldEvents::LLEvent> event, const LLSD& userdata);
 
 	/**
-	 * Sorts the Avatarlist by stored order
-	 */
-	void sort();
-
-	/**
 	 * List of listeners implementing LLOldEvents::LLSimpleListener.
 	 * There is no way to handle all the events in one listener as LLSpeakerMgr registers
 	 * listeners in such a way that one listener can handle only one type of event
@@ -134,6 +110,13 @@ protected:
 		/*virtual*/ bool handleEvent(LLPointer<LLOldEvents::LLEvent> event, const LLSD& userdata);
 	};
 
+	class SpeakerUpdateListener : public BaseSpeakerListener
+	{
+	public:
+		SpeakerUpdateListener(LLParticipantList& parent) : BaseSpeakerListener(parent) {}
+		/*virtual*/ bool handleEvent(LLPointer<LLOldEvents::LLEvent> event, const LLSD& userdata);
+	};
+	
 	class SpeakerModeratorUpdateListener : public BaseSpeakerListener
 	{
 	public:
@@ -149,98 +132,7 @@ protected:
 		/*virtual*/ bool handleEvent(LLPointer<LLOldEvents::LLEvent> event, const LLSD& userdata);
 	};
 
-	/**
-	 * Menu used in the participant list.
-	 */
-	class LLParticipantListMenu : public LLListContextMenu
-	{
-	public:
-		LLParticipantListMenu(LLParticipantList& parent):mParent(parent){};
-		/*virtual*/ LLContextMenu* createMenu();
-		/*virtual*/ void show(LLView* spawning_view, const uuid_vec_t& uuids, S32 x, S32 y);
-	protected:
-		LLParticipantList& mParent;
-	private:
-		bool enableContextMenuItem(const LLSD& userdata);
-		bool enableModerateContextMenuItem(const LLSD& userdata);
-		bool checkContextMenuItem(const LLSD& userdata);
-
-		void sortParticipantList(const LLSD& userdata);
-		void toggleAllowTextChat(const LLSD& userdata);
-		void toggleMute(const LLSD& userdata, U32 flags);
-		void toggleMuteText(const LLSD& userdata);
-		void toggleMuteVoice(const LLSD& userdata);
-		
-		/**
-		 * Return true if Agent is group moderator(and moderator of group call).
-		 */
-		bool isGroupModerator();
-
-		// Voice moderation support
-		/**
-		 * Check whether specified by argument avatar is muted for group chat or not.
-		 */
-		bool isMuted(const LLUUID& avatar_id);
-
-		/**
-		 * Processes Voice moderation menu items.
-		 *
-		 * It calls either moderateVoiceParticipant() or moderateVoiceParticipant() depend on
-		 * passed parameter.
-		 *
-		 * @param userdata can be "selected" or "others".
-		 *
-		 * @see moderateVoiceParticipant()
-		 * @see moderateVoiceAllParticipants()
-		 */
-		void moderateVoice(const LLSD& userdata);
-
-		/**
-		 * Mutes/Unmutes avatar for current group voice chat.
-		 *
-		 * It only marks avatar as muted for session and does not use local Agent's Block list.
-		 * It does not mute Agent itself.
-		 *
-		 * @param[in] avatar_id UUID of avatar to be processed
-		 * @param[in] unmute if true - specified avatar will be muted, otherwise - unmuted.
-		 *
-		 * @see moderateVoiceAllParticipants()
-		 */
-		void moderateVoiceParticipant(const LLUUID& avatar_id, bool unmute);
-
-		/**
-		 * Mutes/Unmutes all avatars for current group voice chat.
-		 *
-		 * It only marks avatars as muted for session and does not use local Agent's Block list.
-		 *
-		 * @param[in] unmute if true - avatars will be muted, otherwise - unmuted.
-		 *
-		 * @see moderateVoiceParticipant()
-		 */
-		void moderateVoiceAllParticipants(bool unmute);
-
-		static void confirmMuteAllCallback(const LLSD& notification, const LLSD& response);
-	};
-
-	/**
-	 * Comparator for comparing avatar items by last spoken time
-	 */
-	class LLAvatarItemRecentSpeakerComparator : public LLAvatarItemNameComparator, public LLRefCount
-	{
-		LOG_CLASS(LLAvatarItemRecentSpeakerComparator);
-	public:
-		LLAvatarItemRecentSpeakerComparator(LLParticipantList& parent):mParent(parent){};
-		virtual ~LLAvatarItemRecentSpeakerComparator() {};
-	protected:
-		virtual bool doCompare(const LLAvatarListItem* avatar_item1, const LLAvatarListItem* avatar_item2) const;
-	private:
-		LLParticipantList& mParent;
-	};
-
 private:
-	void onAvatarListDoubleClicked(LLUICtrl* ctrl);
-	void onAvatarListRefreshed(LLUICtrl* ctrl, const LLSD& param);
-
 	void onAvalineCallerFound(const LLUUID& participant_id);
 	void onAvalineCallerRemoved(const LLUUID& participant_id);
 
@@ -251,10 +143,7 @@ private:
 	 */
 	void adjustParticipant(const LLUUID& speaker_id);
 
-	bool isHovered();
-
 	LLSpeakerMgr*		mSpeakerMgr;
-	LLAvatarList*		mAvatarList;
 
 	std::set<LLUUID>	mModeratorList;
 	std::set<LLUUID>	mModeratorToRemoveList;
@@ -262,25 +151,10 @@ private:
 	LLPointer<SpeakerAddListener>				mSpeakerAddListener;
 	LLPointer<SpeakerRemoveListener>			mSpeakerRemoveListener;
 	LLPointer<SpeakerClearListener>				mSpeakerClearListener;
+	LLPointer<SpeakerUpdateListener>	        mSpeakerUpdateListener;
 	LLPointer<SpeakerModeratorUpdateListener>	mSpeakerModeratorListener;
 	LLPointer<SpeakerMuteListener>				mSpeakerMuteListener;
 
-	LLParticipantListMenu*    mParticipantListMenu;
-
-	/**
-	 * This field manages an adding  a new avatar_id in the mAvatarList
-	 * If true, then agent_id wont  be added into mAvatarList
-	 * Also by default this field is controlling a sort procedure, @c sort() 
-	 */
-	bool mExcludeAgent;
-
-	// boost::connections
-	boost::signals2::connection mAvatarListDoubleClickConnection;
-	boost::signals2::connection mAvatarListRefreshConnection;
-	boost::signals2::connection mAvatarListReturnConnection;
-	boost::signals2::connection mAvatarListToggleIconsConnection;
-
-	LLPointer<LLAvatarItemRecentSpeakerComparator> mSortByRecentSpeakers;
 	validate_speaker_callback_t mValidateSpeakerCallback;
 	LLAvalineUpdater* mAvalineUpdater;
 };
diff --git a/indra/newview/llpathfindingobject.cpp b/indra/newview/llpathfindingobject.cpp
index 858d3203c0..900763eae4 100644
--- a/indra/newview/llpathfindingobject.cpp
+++ b/indra/newview/llpathfindingobject.cpp
@@ -173,6 +173,7 @@ void LLPathfindingObject::fetchOwnerName()
 		mHasOwnerName = LLAvatarNameCache::get(mOwnerUUID, &mOwnerName);
 		if (!mHasOwnerName)
 		{
+			disconnectAvatarNameCacheConnection();
 			mAvatarNameCacheConnection = LLAvatarNameCache::get(mOwnerUUID, boost::bind(&LLPathfindingObject::handleAvatarNameFetch, this, _1, _2));
 		}
 	}
diff --git a/indra/newview/llpersistentnotificationstorage.cpp b/indra/newview/llpersistentnotificationstorage.cpp
new file mode 100644
index 0000000000..224aaa2146
--- /dev/null
+++ b/indra/newview/llpersistentnotificationstorage.cpp
@@ -0,0 +1,145 @@
+/** 
+* @file llpersistentnotificationstorage.cpp
+* @brief Implementation of llpersistentnotificationstorage
+* @author Stinson@lindenlab.com
+*
+* $LicenseInfo:firstyear=2012&license=viewerlgpl$
+* Second Life Viewer Source Code
+* Copyright (C) 2012, Linden Research, Inc.
+*
+* This library is free software; you can redistribute it and/or
+* modify it under the terms of the GNU Lesser General Public
+* License as published by the Free Software Foundation;
+* version 2.1 of the License only.
+*
+* This library is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+* Lesser General Public License for more details.
+*
+* You should have received a copy of the GNU Lesser General Public
+* License along with this library; if not, write to the Free Software
+* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+*
+* Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+* $/LicenseInfo$
+*/
+
+
+#include "llviewerprecompiledheaders.h"
+
+#include "llpersistentnotificationstorage.h"
+
+#include "llchannelmanager.h"
+#include "llnotificationstorage.h"
+#include "llscreenchannel.h"
+#include "llscriptfloater.h"
+#include "llviewermessage.h"
+
+LLPersistentNotificationStorage::LLPersistentNotificationStorage()
+	: LLSingleton<LLPersistentNotificationStorage>()
+	, LLNotificationStorage(gDirUtilp->getExpandedFilename(LL_PATH_PER_SL_ACCOUNT, "open_notifications.xml"))
+{
+}
+
+LLPersistentNotificationStorage::~LLPersistentNotificationStorage()
+{
+}
+
+static LLFastTimer::DeclareTimer FTM_SAVE_NOTIFICATIONS("Save Notifications");
+
+void LLPersistentNotificationStorage::saveNotifications()
+{
+	LLFastTimer _(FTM_SAVE_NOTIFICATIONS);
+
+	boost::intrusive_ptr<LLPersistentNotificationChannel> history_channel = boost::dynamic_pointer_cast<LLPersistentNotificationChannel>(LLNotifications::instance().getChannel("Persistent"));
+	if (!history_channel)
+	{
+		return;
+	}
+
+	LLSD output = LLSD::emptyMap();
+	LLSD& data = output["data"];
+
+	for ( std::vector<LLNotificationPtr>::iterator it = history_channel->beginHistory(), end_it = history_channel->endHistory();
+		it != end_it;
+		++it)
+	{
+		LLNotificationPtr notification = *it;
+
+		// After a notification was placed in Persist channel, it can become
+		// responded, expired or canceled - in this case we are should not save it
+		if(notification->isRespondedTo() || notification->isCancelled()
+			|| notification->isExpired())
+		{
+			continue;
+		}
+
+		data.append(notification->asLLSD());
+	}
+
+	writeNotifications(output);
+}
+
+static LLFastTimer::DeclareTimer FTM_LOAD_NOTIFICATIONS("Load Notifications");
+
+void LLPersistentNotificationStorage::loadNotifications()
+{
+	LLFastTimer _(FTM_LOAD_NOTIFICATIONS);
+
+	LLNotifications::instance().getChannel("Persistent")->
+		connectChanged(boost::bind(&LLPersistentNotificationStorage::onPersistentChannelChanged, this, _1));
+
+	LLSD input;
+	if (!readNotifications(input) ||input.isUndefined())
+	{
+		return;
+	}
+
+	LLSD& data = input["data"];
+	if (data.isUndefined())
+	{
+		return;
+	}
+
+	using namespace LLNotificationsUI;
+	LLScreenChannel* notification_channel = dynamic_cast<LLScreenChannel*>(LLChannelManager::getInstance()->
+		findChannelByID(LLUUID(gSavedSettings.getString("NotificationChannelUUID"))));
+
+	LLNotifications& instance = LLNotifications::instance();
+
+	for (LLSD::array_const_iterator notification_it = data.beginArray();
+		notification_it != data.endArray();
+		++notification_it)
+	{
+		LLSD notification_params = *notification_it;
+		LLNotificationPtr notification(new LLNotification(notification_params));
+
+		LLNotificationResponderPtr responder(createResponder(notification_params["name"], notification_params["responder"]));
+		notification->setResponseFunctor(responder);
+
+		instance.add(notification);
+
+		// hide script floaters so they don't confuse the user and don't overlap startup toast
+		LLScriptFloaterManager::getInstance()->setFloaterVisible(notification->getID(), false);
+
+		if(notification_channel)
+		{
+			// hide saved toasts so they don't confuse the user
+			notification_channel->hideToast(notification->getID());
+		}
+	}
+}
+
+bool LLPersistentNotificationStorage::onPersistentChannelChanged(const LLSD& payload)
+{
+	// we ignore "load" messages, but rewrite the persistence file on any other
+	const std::string sigtype = payload["sigtype"].asString();
+	if ("load" != sigtype)
+	{
+		saveNotifications();
+	}
+	return false;
+}
+
+// EOF
diff --git a/indra/newview/llpersistentnotificationstorage.h b/indra/newview/llpersistentnotificationstorage.h
new file mode 100644
index 0000000000..98a825d2c1
--- /dev/null
+++ b/indra/newview/llpersistentnotificationstorage.h
@@ -0,0 +1,63 @@
+/** 
+* @file   llpersistentnotificationstorage.h
+* @brief  Header file for llpersistentnotificationstorage
+* @author Stinson@lindenlab.com
+*
+* $LicenseInfo:firstyear=2012&license=viewerlgpl$
+* Second Life Viewer Source Code
+* Copyright (C) 2012, Linden Research, Inc.
+*
+* This library is free software; you can redistribute it and/or
+* modify it under the terms of the GNU Lesser General Public
+* License as published by the Free Software Foundation;
+* version 2.1 of the License only.
+*
+* This library is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+* Lesser General Public License for more details.
+*
+* You should have received a copy of the GNU Lesser General Public
+* License along with this library; if not, write to the Free Software
+* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+*
+* Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+* $/LicenseInfo$
+*/
+#ifndef LL_LLPERSISTENTNOTIFICATIONSTORAGE_H
+#define LL_LLPERSISTENTNOTIFICATIONSTORAGE_H
+
+#include "llerror.h"
+#include "llnotificationstorage.h"
+#include "llsingleton.h"
+
+class LLSD;
+
+// Class that saves not responded(unread) notifications.
+// Unread notifications are saved in open_notifications.xml in SL account folder
+//
+// Notifications that should be saved(if unread) are marked with persist="true" in notifications.xml
+// Notifications using functor responders are saved automatically (see llviewermessage.cpp
+// lure_callback_reg for example).
+// Notifications using object responders(LLOfferInfo) need additional tuning. Responder object should
+// be a) serializable(implement LLNotificationResponderInterface),
+// b) registered with LLResponderRegistry (found in llpersistentnotificationstorage.cpp).
+
+class LLPersistentNotificationStorage : public LLSingleton<LLPersistentNotificationStorage>, public LLNotificationStorage
+{
+	LOG_CLASS(LLPersistentNotificationStorage);
+public:
+	LLPersistentNotificationStorage();
+	~LLPersistentNotificationStorage();
+
+	void saveNotifications();
+	void loadNotifications();
+
+protected:
+
+private:
+	bool onPersistentChannelChanged(const LLSD& payload);
+};
+
+#endif // LL_LLPERSISTENTNOTIFICATIONSTORAGE_H
+
diff --git a/indra/newview/llplacesfolderview.cpp b/indra/newview/llplacesfolderview.cpp
new file mode 100644
index 0000000000..3caa93ae71
--- /dev/null
+++ b/indra/newview/llplacesfolderview.cpp
@@ -0,0 +1,74 @@
+/** 
+* @file llplacesfolderview.cpp
+* @brief llplacesfolderview used within llplacesinventorypanel
+* @author Gilbert@lindenlab.com
+*
+* $LicenseInfo:firstyear=2012&license=viewerlgpl$
+* Second Life Viewer Source Code
+* Copyright (C) 2012, Linden Research, Inc.
+*
+* This library is free software; you can redistribute it and/or
+* modify it under the terms of the GNU Lesser General Public
+* License as published by the Free Software Foundation;
+* version 2.1 of the License only.
+*
+* This library is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+* Lesser General Public License for more details.
+*
+* You should have received a copy of the GNU Lesser General Public
+* License along with this library; if not, write to the Free Software
+* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+*
+* Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+* $/LicenseInfo$
+*/
+
+#include "llviewerprecompiledheaders.h"
+
+#include "llplacesfolderview.h"
+
+#include "llplacesinventorypanel.h"
+#include "llpanellandmarks.h"
+
+LLPlacesFolderView::LLPlacesFolderView(const LLFolderView::Params& p)
+    : LLFolderView(p)
+{
+    // we do not need auto select functionality in places landmarks, so override default behavior.
+    // this disables applying of the LLSelectFirstFilteredItem in LLFolderView::doIdle.
+    // Fixed issues: EXT-1631, EXT-4994.
+    mAutoSelectOverride = TRUE;
+}
+
+BOOL LLPlacesFolderView::handleRightMouseDown(S32 x, S32 y, MASK mask)
+{
+    // let children to change selection first
+    childrenHandleRightMouseDown(x, y, mask);
+    mParentLandmarksPanel->setCurrentSelectedList((LLPlacesInventoryPanel*)getParentPanel());
+
+    // then determine its type and set necessary menu handle
+    if (getCurSelectedItem())
+    {
+        LLInventoryType::EType inventory_type = static_cast<LLFolderViewModelItemInventory*>(getCurSelectedItem()->getViewModelItem())->getInventoryType();
+        inventory_type_menu_handle_t::iterator it_handle = mMenuHandlesByInventoryType.find(inventory_type);
+
+        if (it_handle != mMenuHandlesByInventoryType.end())
+        {
+            mPopupMenuHandle = (*it_handle).second;
+        }
+        else
+        {
+            llwarns << "Requested menu handle for non-setup inventory type: " << inventory_type << llendl;
+        }
+
+    }
+
+    return LLFolderView::handleRightMouseDown(x, y, mask);
+}
+
+void LLPlacesFolderView::setupMenuHandle(LLInventoryType::EType asset_type, LLHandle<LLView> menu_handle)
+{
+    mMenuHandlesByInventoryType[asset_type] = menu_handle;
+}
+
diff --git a/indra/newview/llplacesfolderview.h b/indra/newview/llplacesfolderview.h
new file mode 100644
index 0000000000..8c5be39b5e
--- /dev/null
+++ b/indra/newview/llplacesfolderview.h
@@ -0,0 +1,72 @@
+/** 
+* @file   llplacesfolderview.h
+* @brief  llplacesfolderview used within llplacesinventorypanel
+* @author Gilbert@lindenlab.com
+*
+* $LicenseInfo:firstyear=2012&license=viewerlgpl$
+* Second Life Viewer Source Code
+* Copyright (C) 2012, Linden Research, Inc.
+*
+* This library is free software; you can redistribute it and/or
+* modify it under the terms of the GNU Lesser General Public
+* License as published by the Free Software Foundation;
+* version 2.1 of the License only.
+*
+* This library is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+* Lesser General Public License for more details.
+*
+* You should have received a copy of the GNU Lesser General Public
+* License along with this library; if not, write to the Free Software
+* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+*
+* Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+* $/LicenseInfo$
+*/
+#ifndef LL_LLPLACESFOLDERVIEW_H
+#define LL_LLPLACESFOLDERVIEW_H
+
+#include "llfolderview.h"
+#include "llinventorypanel.h"
+
+class LLLandmarksPanel;
+
+class LLPlacesFolderView : public LLFolderView
+{
+public:
+
+    struct Params : public LLInitParam::Block<Params, LLFolderView::Params>
+    {
+        Params()
+		{}
+    };
+
+	LLPlacesFolderView(const LLFolderView::Params& p);
+	/**
+	 *	Handles right mouse down
+	 *
+	 * Contains workaround for EXT-2786: sets current selected list for landmark
+	 * panel using @c mParentLandmarksPanel which is set in @c LLLandmarksPanel::initLandmarksPanel
+	 */
+	/*virtual*/ BOOL handleRightMouseDown( S32 x, S32 y, MASK mask );
+
+	void setupMenuHandle(LLInventoryType::EType asset_type, LLHandle<LLView> menu_handle);
+
+	void setParentLandmarksPanel(LLLandmarksPanel* panel)
+	{
+		mParentLandmarksPanel = panel;
+	}
+
+private:
+	/**
+	 * holds pointer to landmark panel. This pointer is used in @c LLPlacesFolderView::handleRightMouseDown
+	 */
+	LLLandmarksPanel* mParentLandmarksPanel;
+	typedef std::map<LLInventoryType::EType, LLHandle<LLView> > inventory_type_menu_handle_t;
+	inventory_type_menu_handle_t mMenuHandlesByInventoryType;
+
+};
+
+#endif // LL_LLPLACESFOLDERVIEW_H
+
diff --git a/indra/newview/llplacesinventorybridge.cpp b/indra/newview/llplacesinventorybridge.cpp
index fe4cc0f55f..ebd9604c5b 100644
--- a/indra/newview/llplacesinventorybridge.cpp
+++ b/indra/newview/llplacesinventorybridge.cpp
@@ -85,34 +85,33 @@ void LLPlacesLandmarkBridge::buildContextMenu(LLMenuGL& menu, U32 flags)
 
 void LLPlacesFolderBridge::buildContextMenu(LLMenuGL& menu, U32 flags)
 {
+	std::vector<std::string> items;
+	std::vector<std::string> disabled_items;
+
+	LLInventoryPanel* inv_panel = mInventoryPanel.get();
+	bool is_open = false;
+	if (inv_panel)
 	{
-		std::vector<std::string> items;
-		std::vector<std::string> disabled_items;
+		LLFolderViewFolder* folder =  dynamic_cast<LLFolderViewFolder*>(inv_panel->getItemByID(mUUID));
+		is_open = (NULL != folder) && folder->isOpen();
+	}
 
-		LLInventoryPanel* inv_panel = mInventoryPanel.get();
-		bool is_open = false;
-		if (inv_panel)
-		{
-			LLFolderViewFolder* folder = dynamic_cast<LLFolderViewFolder*>(inv_panel->getRootFolder()->getItemByID(mUUID));
-			is_open = (NULL != folder) && folder->isOpen();
-		}
+	// collect all items' names
+	fill_items_with_menu_items(items, menu);
 
-		// collect all items' names
-		fill_items_with_menu_items(items, menu);
+	// remove expand or collapse menu item depend on folder state
+	std::string collapse_expand_item_to_hide(is_open ? "expand" :  "collapse");
+	std::vector<std::string>::iterator it = std::find(items.begin(),  items.end(), collapse_expand_item_to_hide);
+	if (it != items.end())	items.erase(it);
 
-		// remove expand or collapse menu item depend on folder state
-		std::string collapse_expand_item_to_hide(is_open ? "expand" : "collapse");
-		std::vector<std::string>::iterator it = std::find(items.begin(), items.end(), collapse_expand_item_to_hide);
-		if (it != items.end())	items.erase(it);
 
-		// Disabled items are processed via LLLandmarksPanel::isActionEnabled()
-		// they should be synchronized with Places/My Landmarks/Gear menu. See EXT-1601 
+	// Disabled items are processed via LLLandmarksPanel::isActionEnabled()
+	// they should be synchronized with Places/My Landmarks/Gear menu. See EXT-1601 
 
-		// repeat parent functionality
- 		sSelf = getHandle(); // necessary for "New Folder" functionality
+	// repeat parent functionality
+ 	sSelf = getHandle(); // necessary for "New Folder" functionality
 
-		hide_context_entries(menu, items, disabled_items);
-	}
+	hide_context_entries(menu, items, disabled_items);
 }
 
 //virtual
@@ -140,7 +139,7 @@ LLFolderViewFolder* LLPlacesFolderBridge::getFolder()
 	LLInventoryPanel* inv_panel = mInventoryPanel.get();
 	if (inv_panel)
 	{
-		folder = dynamic_cast<LLFolderViewFolder*>(inv_panel->getRootFolder()->getItemByID(mUUID));
+		folder =    dynamic_cast<LLFolderViewFolder*>(inv_panel->getItemByID(mUUID));
 	}
 
 	return folder;
@@ -152,6 +151,7 @@ LLInvFVBridge* LLPlacesInventoryBridgeBuilder::createBridge(
 	LLAssetType::EType actual_asset_type,
 	LLInventoryType::EType inv_type,
 	LLInventoryPanel* inventory,
+	LLFolderViewModelInventory* view_model,
 	LLFolderView* root,
 	const LLUUID& uuid,
 	U32 flags/* = 0x00*/) const
@@ -170,11 +170,12 @@ LLInvFVBridge* LLPlacesInventoryBridgeBuilder::createBridge(
 		if (actual_asset_type == LLAssetType::AT_LINK_FOLDER)
 		{
 			// *TODO: Create a link folder handler instead if it is necessary
-			new_listener = LLInventoryFVBridgeBuilder::createBridge(
+			new_listener = LLInventoryFolderViewModelBuilder::createBridge(
 				asset_type,
 				actual_asset_type,
 				inv_type,
 				inventory,
+				view_model,
 				root,
 				uuid,
 				flags);
@@ -183,11 +184,12 @@ LLInvFVBridge* LLPlacesInventoryBridgeBuilder::createBridge(
 		new_listener = new LLPlacesFolderBridge(inv_type, inventory, root, uuid);
 		break;
 	default:
-		new_listener = LLInventoryFVBridgeBuilder::createBridge(
+		new_listener = LLInventoryFolderViewModelBuilder::createBridge(
 			asset_type,
 			actual_asset_type,
 			inv_type,
 			inventory,
+			view_model,
 			root,
 			uuid,
 			flags);
diff --git a/indra/newview/llplacesinventorybridge.h b/indra/newview/llplacesinventorybridge.h
index 52beacef9c..07d18d03c5 100644
--- a/indra/newview/llplacesinventorybridge.h
+++ b/indra/newview/llplacesinventorybridge.h
@@ -82,13 +82,14 @@ protected:
  *
  * It builds Bridges for Landmarks and Folders in Places Landmarks Panel
  */
-class LLPlacesInventoryBridgeBuilder : public LLInventoryFVBridgeBuilder
+class LLPlacesInventoryBridgeBuilder : public LLInventoryFolderViewModelBuilder
 {
 public:
 	/*virtual*/ LLInvFVBridge* createBridge(LLAssetType::EType asset_type,
 											LLAssetType::EType actual_asset_type,
 											LLInventoryType::EType inv_type,
 											LLInventoryPanel* inventory,
+											LLFolderViewModelInventory* view_model,
 											LLFolderView* root,
 											const LLUUID& uuid,
 											U32 flags = 0x00) const;
diff --git a/indra/newview/llplacesinventorypanel.cpp b/indra/newview/llplacesinventorypanel.cpp
index f7823f4fe8..01586a4d91 100644
--- a/indra/newview/llplacesinventorypanel.cpp
+++ b/indra/newview/llplacesinventorypanel.cpp
@@ -30,7 +30,8 @@
 
 #include "llplacesinventorypanel.h"
 
-#include "llfoldervieweventlistener.h"
+#include "llfolderviewmodel.h"
+#include "llplacesfolderview.h"
 #include "llinventorybridge.h"
 #include "llinventoryfunctions.h"
 #include "llpanellandmarks.h"
@@ -57,44 +58,34 @@ LLPlacesInventoryPanel::~LLPlacesInventoryPanel()
 	delete mSavedFolderState;
 }
 
-void LLPlacesInventoryPanel::buildFolderView(const LLInventoryPanel::Params& params)
-{
-	// Determine the root folder in case specified, and
-	// build the views starting with that folder.
-	const LLFolderType::EType preferred_type = LLViewerFolderType::lookupTypeFromNewCategoryName(params.start_folder);
-
-	LLUUID root_id;
 
-	if ("LIBRARY" == params.start_folder())
-	{
-		root_id = gInventory.getLibraryRootFolderID();
-	}
-	else
-	{
-		root_id = (preferred_type != LLFolderType::FT_NONE ? gInventory.findCategoryUUIDForType(preferred_type) : LLUUID::null);
-	}
-
-	LLRect folder_rect(0,
-		0,
-		getRect().getWidth(),
-		0);
-	LLPlacesFolderView::Params p;
-	p.name = getName();
-	p.title = getLabel();
-	p.rect = folder_rect;
-	p.listener =  mInvFVBridgeBuilder->createBridge(LLAssetType::AT_CATEGORY,
-													LLAssetType::AT_CATEGORY,
-													LLInventoryType::IT_CATEGORY,
-													this,
-													NULL,
-													root_id);
-	p.parent_panel = this;
-	p.allow_multiselect = mAllowMultiSelect;
-	p.use_ellipses = true;	// truncate inventory item text so remove horizontal scroller
-	mFolderRoot = (LLFolderView*)LLUICtrlFactory::create<LLPlacesFolderView>(p);
+LLFolderView * LLPlacesInventoryPanel::createFolderRoot(LLUUID root_id )
+{
+    LLPlacesFolderView::Params p;
+    
+    p.name = getName();
+    p.title = getLabel();
+    p.rect = LLRect(0, 0, getRect().getWidth(), 0);
+    p.parent_panel = this;
+    p.tool_tip = p.name;
+    p.listener = mInvFVBridgeBuilder->createBridge(	LLAssetType::AT_CATEGORY,
+        LLAssetType::AT_CATEGORY,
+        LLInventoryType::IT_CATEGORY,
+        this,
+        &mInventoryViewModel,
+        NULL,
+        root_id);
+    p.view_model = &mInventoryViewModel;
+    p.use_label_suffix = mParams.use_label_suffix;
+    p.allow_multiselect = mAllowMultiSelect;
+    p.show_empty_message = mShowEmptyMessage;
+    p.show_item_link_overlays = mShowItemLinkOverlays;
+    p.root = NULL;
+    p.use_ellipses = mParams.folder_view.use_ellipses;
+
+    return LLUICtrlFactory::create<LLPlacesFolderView>(p);
 }
 
-
 // save current folder open state
 void LLPlacesInventoryPanel::saveFolderState()
 {
@@ -128,59 +119,3 @@ S32	LLPlacesInventoryPanel::notify(const LLSD& info)
 	}
 	return 0;
 }
-
-/************************************************************************/
-/* PROTECTED METHODS                                                    */
-/************************************************************************/
-
-
-
-/************************************************************************/
-/*              LLPlacesFolderView implementation                       */
-/************************************************************************/
-
-//////////////////////////////////////////////////////////////////////////
-//  PUBLIC METHODS
-//////////////////////////////////////////////////////////////////////////
-
-LLPlacesFolderView::LLPlacesFolderView(const LLFolderView::Params& p)
-: LLFolderView(p)
-{
-	// we do not need auto select functionality in places landmarks, so override default behavior.
-	// this disables applying of the LLSelectFirstFilteredItem in LLFolderView::doIdle.
-	// Fixed issues: EXT-1631, EXT-4994.
-	mAutoSelectOverride = TRUE;
-}
-
-BOOL LLPlacesFolderView::handleRightMouseDown(S32 x, S32 y, MASK mask)
-{
-	// let children to change selection first
-	childrenHandleRightMouseDown(x, y, mask);
-	mParentLandmarksPanel->setCurrentSelectedList((LLPlacesInventoryPanel*)getParentPanel());
-
-	// then determine its type and set necessary menu handle
-	if (getCurSelectedItem())
-	{
-		LLInventoryType::EType inventory_type = getCurSelectedItem()->getListener()->getInventoryType();
-		inventory_type_menu_handle_t::iterator it_handle = mMenuHandlesByInventoryType.find(inventory_type);
-
-		if (it_handle != mMenuHandlesByInventoryType.end())
-		{
-			mPopupMenuHandle = (*it_handle).second;
-		}
-		else
-		{
-			llwarns << "Requested menu handle for non-setup inventory type: " << inventory_type << llendl;
-		}
-
-	}
-
-	return LLFolderView::handleRightMouseDown(x, y, mask);
-}
-
-void LLPlacesFolderView::setupMenuHandle(LLInventoryType::EType asset_type, LLHandle<LLView> menu_handle)
-{
-	mMenuHandlesByInventoryType[asset_type] = menu_handle;
-}
-
-// EOF
diff --git a/indra/newview/llplacesinventorypanel.h b/indra/newview/llplacesinventorypanel.h
index f647e7f970..2805fc4257 100644
--- a/indra/newview/llplacesinventorypanel.h
+++ b/indra/newview/llplacesinventorypanel.h
@@ -29,9 +29,9 @@
 
 #include "llfloaterinventory.h"
 #include "llinventorypanel.h"
-#include "llfolderview.h"
 
 class LLLandmarksPanel;
+class LLFolderView;
 
 class LLPlacesInventoryPanel : public LLInventoryPanel
 {
@@ -46,8 +46,7 @@ public:
 	LLPlacesInventoryPanel(const Params& p);
 	~LLPlacesInventoryPanel();
 
-	/*virtual*/ void buildFolderView(const LLInventoryPanel::Params& params);
-
+    LLFolderView * createFolderRoot(LLUUID root_id );
 	void saveFolderState();
 	void restoreFolderState();
 
@@ -57,36 +56,4 @@ private:
 	LLSaveFolderState*			mSavedFolderState;
 };
 
-
-class LLPlacesFolderView : public LLFolderView
-{
-public:
-	LLPlacesFolderView(const LLFolderView::Params& p);
-	/**
-	 *	Handles right mouse down
-	 *
-	 * Contains workaround for EXT-2786: sets current selected list for landmark
-	 * panel using @c mParentLandmarksPanel which is set in @c LLLandmarksPanel::initLandmarksPanel
-	 */
-	/*virtual*/ BOOL handleRightMouseDown( S32 x, S32 y, MASK mask );
-
-	void setupMenuHandle(LLInventoryType::EType asset_type, LLHandle<LLView> menu_handle);
-
-	void setParentLandmarksPanel(LLLandmarksPanel* panel)
-	{
-		mParentLandmarksPanel = panel;
-	}
-
-	S32 getSelectedCount() { return (S32)mSelectedItems.size(); }
-
-private:
-	/**
-	 * holds pointer to landmark panel. This pointer is used in @c LLPlacesFolderView::handleRightMouseDown
-	 */
-	LLLandmarksPanel* mParentLandmarksPanel;
-	typedef std::map<LLInventoryType::EType, LLHandle<LLView> > inventory_type_menu_handle_t;
-	inventory_type_menu_handle_t mMenuHandlesByInventoryType;
-
-};
-
 #endif //LL_LLINVENTORYSUBTREEPANEL_H
diff --git a/indra/newview/llpreviewscript.cpp b/indra/newview/llpreviewscript.cpp
index 9c25e69db0..968a912ea2 100644
--- a/indra/newview/llpreviewscript.cpp
+++ b/indra/newview/llpreviewscript.cpp
@@ -305,7 +305,11 @@ BOOL LLFloaterScriptSearch::handleKeyHere(KEY key, MASK mask)
 {
 	if (mEditorCore)
 	{
-		return mEditorCore->handleKeyHere(key, mask);
+		BOOL handled = mEditorCore->handleKeyHere(key, mask);
+		if (!handled)
+		{
+			LLFloater::handleKeyHere(key, mask);
+		}
 	}
 
 	return FALSE;
diff --git a/indra/newview/llscreenchannel.cpp b/indra/newview/llscreenchannel.cpp
index d2280ea089..154555b261 100644
--- a/indra/newview/llscreenchannel.cpp
+++ b/indra/newview/llscreenchannel.cpp
@@ -39,7 +39,7 @@
 
 #include "lldockablefloater.h"
 #include "llsyswellwindow.h"
-#include "llimfloater.h"
+#include "llfloaterimsession.h"
 #include "llscriptfloater.h"
 #include "llrootview.h"
 
@@ -253,12 +253,26 @@ void LLScreenChannel::addToast(const LLToast::Params& p)
 {
 	bool store_toast = false, show_toast = false;
 
-	mDisplayToastsAlways ? show_toast = true : show_toast = mWasStartUpToastShown && (mShowToasts || p.force_show);
+	if (mDisplayToastsAlways)
+	{
+		show_toast = true;
+	}
+	else
+	{
+		show_toast = mWasStartUpToastShown && (mShowToasts || p.force_show);
+	}
 	store_toast = !show_toast && p.can_be_stored && mCanStoreToasts;
 
 	if(!show_toast && !store_toast)
 	{
-		mRejectToastSignal(p.notif_id);
+		LLNotificationPtr notification = LLNotifications::instance().find(p.notif_id);
+
+		if (notification &&
+			(!notification->canLogToIM() || !notification->hasFormElements()))
+		{
+			// only cancel notification if it isn't being used in IM session
+			LLNotifications::instance().cancel(notification);
+		}
 		return;
 	}
 
@@ -371,7 +385,7 @@ void LLScreenChannel::storeToast(ToastElem& toast_elem)
 	const LLToast* toast = toast_elem.getToast();
 	if (toast)
 	{
-		mStoredToastList.push_back(toast_elem);
+	mStoredToastList.push_back(toast_elem);
 		mOnStoreToast(toast->getPanel(), toast->getNotificationID());
 	}
 }
@@ -410,14 +424,14 @@ void LLScreenChannel::loadStoredToastByNotificationIDToChannel(LLUUID id)
 	LLToast* toast = it->getToast();
 	if (toast)
 	{
-		if(toast->getVisible())
-		{
-			// toast is already in channel
-			return;
-		}
+	if(toast->getVisible())
+	{
+		// toast is already in channel
+		return;
+	}
 
-		toast->setIsHidden(false);
-		toast->startTimer();
+	toast->setIsHidden(false);
+	toast->startTimer();
 		mToastList.push_back(*it);
 	}
 
@@ -425,34 +439,12 @@ void LLScreenChannel::loadStoredToastByNotificationIDToChannel(LLUUID id)
 }
 
 //--------------------------------------------------------------------------
-void LLScreenChannel::removeStoredToastByNotificationID(LLUUID id)
-{
-	// *TODO: may be remove this function
-	std::vector<ToastElem>::iterator it = find(mStoredToastList.begin(), mStoredToastList.end(), id);
-
-	if( it == mStoredToastList.end() )
-		return;
-
-	const LLToast* toast = it->getToast();
-	if (toast)
-	{
-		mRejectToastSignal(toast->getNotificationID());
-	}
-
-	// Call find() once more, because the mStoredToastList could have been changed
-	// in mRejectToastSignal callback and the iterator could have become invalid.
-	it = find(mStoredToastList.begin(), mStoredToastList.end(), id);
-	if (it != mStoredToastList.end())
-	{
-		mStoredToastList.erase(it);
-	}
-}
-
-//--------------------------------------------------------------------------
 void LLScreenChannel::killToastByNotificationID(LLUUID id)
 {
 	// searching among toasts on a screen
 	std::vector<ToastElem>::iterator it = find(mToastList.begin(), mToastList.end(), id);
+	LLNotificationPtr notification = LLNotifications::instance().find(id);
+	if (!notification) return;
 	
 	if( it != mToastList.end())
 	{
@@ -465,42 +457,67 @@ void LLScreenChannel::killToastByNotificationID(LLUUID id)
 		//			the toast will be destroyed.
 		if(toast && toast->isNotificationValid())
 		{
-			mRejectToastSignal(toast->getNotificationID());
+			if (!notification->canLogToIM() || !notification->hasFormElements())
+			{
+				// only cancel notification if it isn't being used in IM session
+				LLNotifications::instance().cancel(notification);
+			}
 		}
 		else
 		{
-
-			deleteToast(toast);
-			mToastList.erase(it);
-			redrawToasts();
+			removeToastByNotificationID(id);
 		}
-		return;
 	}
-
-	// searching among stored toasts
-	it = find(mStoredToastList.begin(), mStoredToastList.end(), id);
-
-	if (it != mStoredToastList.end())
+	else
 	{
-		LLToast* toast = it->getToast();
-		if (toast)
+		// searching among stored toasts
+		it = find(mStoredToastList.begin(), mStoredToastList.end(), id);
+
+		if( it != mStoredToastList.end() )
 		{
-			// send signal to a listener to let him perform some action on toast rejecting
-			mRejectToastSignal(toast->getNotificationID());
-			deleteToast(toast);
+			LLToast* toast = it->getToast();
+			if (toast)
+			{
+				if (!notification->canLogToIM() || !notification->hasFormElements())
+				{
+					// only cancel notification if it isn't being used in IM session
+					LLNotifications::instance().cancel(notification);
+				}
+				deleteToast(toast);
+			}
+		}
+	
+		// Call find() once more, because the mStoredToastList could have been changed
+		// via notification cancellation and the iterator could have become invalid.
+		it = find(mStoredToastList.begin(), mStoredToastList.end(), id);
+		if (it != mStoredToastList.end())
+		{
+			mStoredToastList.erase(it);
 		}
 	}
+}
+
+void LLScreenChannel::removeToastByNotificationID(LLUUID id)
+{
+	std::vector<ToastElem>::iterator it = find(mToastList.begin(), mToastList.end(), id);
+	while( it != mToastList.end())
+	{
+		deleteToast(it->getToast());
+		mToastList.erase(it);
+		redrawToasts();
+		// find next toast with matching id
+		it = find(mToastList.begin(), mToastList.end(), id);
+	}
 
-	// Call find() once more, because the mStoredToastList could have been changed
-	// in mRejectToastSignal callback and the iterator could have become invalid.
 	it = find(mStoredToastList.begin(), mStoredToastList.end(), id);
 	if (it != mStoredToastList.end())
 	{
+		deleteToast(it->getToast());
 		mStoredToastList.erase(it);
 	}
-
 }
 
+
 void LLScreenChannel::killMatchedToasts(const Matcher& matcher)
 {
 	std::list<const LLToast*> to_delete = findToasts(matcher);
@@ -521,11 +538,11 @@ void LLScreenChannel::modifyToastByNotificationID(LLUUID id, LLPanel* panel)
 		LLToast* toast = it->getToast();
 		if (toast)
 		{
-			LLPanel* old_panel = toast->getPanel();
-			toast->removeChild(old_panel);
-			delete old_panel;
-			toast->insertPanel(panel);
-			toast->startTimer();
+		LLPanel* old_panel = toast->getPanel();
+		toast->removeChild(old_panel);
+		delete old_panel;
+		toast->insertPanel(panel);
+		toast->startTimer();
 		}
 		redrawToasts();
 	}
@@ -685,7 +702,7 @@ void LLScreenChannel::showToastsCentre()
 		return;
 	}
 
-	LLRect	toast_rect;
+	LLRect	toast_rect;	
 	S32		bottom = (getRect().mTop - getRect().mBottom)/2 + toast->getRect().getHeight()/2;
 	std::vector<ToastElem>::reverse_iterator it;
 
diff --git a/indra/newview/llscreenchannel.h b/indra/newview/llscreenchannel.h
index 56a9cf8b4b..e5f4807ab7 100644
--- a/indra/newview/llscreenchannel.h
+++ b/indra/newview/llscreenchannel.h
@@ -84,6 +84,7 @@ public:
 	// kill or modify a toast by its ID
 	virtual void		killToastByNotificationID(LLUUID id) {};
 	virtual void		modifyToastNotificationByID(LLUUID id, LLSD data) {};
+	virtual void		removeToastByNotificationID(LLUUID id){};
 	
 	// hide all toasts from screen, but not remove them from a channel
 	virtual void		hideToastsFromScreen() {};
@@ -175,6 +176,7 @@ public:
 	void		addToast(const LLToast::Params& p);
 	// kill or modify a toast by its ID
 	void		killToastByNotificationID(LLUUID id);
+	void		removeToastByNotificationID(LLUUID id);
 	void		killMatchedToasts(const Matcher& matcher);
 	void		modifyToastByNotificationID(LLUUID id, LLPanel* panel);
 	// hide all toasts from screen, but not remove them from a channel
@@ -195,8 +197,6 @@ public:
 	void		loadStoredToastsToChannel();
 	// finds a toast among stored by its Notification ID and throws it on a screen to a channel
 	void		loadStoredToastByNotificationIDToChannel(LLUUID id);
-	// removes a toast from stored finding it by its Notification ID 
-	void		removeStoredToastByNotificationID(LLUUID id);
 	// removes from channel all toasts that belongs to the certain IM session 
 	void		removeToastsBySessionID(LLUUID id);
 	// remove all storable toasts from screen and store them
@@ -227,16 +227,12 @@ public:
 
 	// Channel's signals
 	// signal on storing of faded toasts event
-	typedef boost::function<void (LLPanel* info_panel, const LLUUID id)> store_tost_callback_t;
-	typedef boost::signals2::signal<void (LLPanel* info_panel, const LLUUID id)> store_tost_signal_t;
-	store_tost_signal_t mOnStoreToast;	
-	boost::signals2::connection setOnStoreToastCallback(store_tost_callback_t cb) { return mOnStoreToast.connect(cb); }
-	// signal on rejecting of a toast event
-	typedef boost::function<void (LLUUID id)> reject_tost_callback_t;
-	typedef boost::signals2::signal<void (LLUUID id)> reject_tost_signal_t;
-	reject_tost_signal_t mRejectToastSignal; boost::signals2::connection setOnRejectToastCallback(reject_tost_callback_t cb) { return mRejectToastSignal.connect(cb); }
+	typedef boost::signals2::signal<void (LLPanel* info_panel, const LLUUID id)> store_toast_signal_t;
+	boost::signals2::connection addOnStoreToastCallback(store_toast_signal_t::slot_type cb) { return mOnStoreToast.connect(cb); }
 
 private:
+	store_toast_signal_t mOnStoreToast;	
+
 	class ToastElem
 	{
 	public:
diff --git a/indra/newview/llscriptfloater.cpp b/indra/newview/llscriptfloater.cpp
index 6f98be1cb8..0e0da6bdc7 100644
--- a/indra/newview/llscriptfloater.cpp
+++ b/indra/newview/llscriptfloater.cpp
@@ -41,7 +41,7 @@
 #include "lltoastscripttextbox.h"
 #include "lltrans.h"
 #include "llviewerwindow.h"
-#include "llimfloater.h"
+#include "llfloaterimsession.h"
 
 //////////////////////////////////////////////////////////////////////////
 //////////////////////////////////////////////////////////////////////////
@@ -95,7 +95,12 @@ bool LLScriptFloater::toggle(const LLUUID& notification_id)
 		show(notification_id);
 	}
 
-	LLChicletBar::getInstance()->getChicletPanel()->setChicletToggleState(notification_id, true);
+	LLChicletPanel * chiclet_panelp = LLChicletBar::getInstance()->getChicletPanel();
+	if (NULL != chiclet_panelp)
+	{
+		chiclet_panelp->setChicletToggleState(notification_id, true);
+	}
+
 	return true;
 }
 
@@ -206,10 +211,14 @@ void LLScriptFloater::setVisible(BOOL visible)
 
 	if(!visible)
 	{
-		LLIMChiclet* chiclet = LLChicletBar::getInstance()->getChicletPanel()->findChiclet<LLIMChiclet>(getNotificationId());
-		if(chiclet)
+		LLChicletPanel * chiclet_panelp = LLChicletBar::getInstance()->getChicletPanel();
+		if (NULL != chiclet_panelp)
 		{
-			chiclet->setToggleState(false);
+			LLIMChiclet * chicletp = chiclet_panelp->findChiclet<LLIMChiclet>(getNotificationId());
+			if(NULL != chicletp)
+			{
+				chicletp->setToggleState(false);
+			}
 		}
 	}
 }
@@ -218,15 +227,19 @@ void LLScriptFloater::onMouseDown()
 {
 	if(getNotificationId().notNull())
 	{
-		// Remove new message icon
-		LLIMChiclet* chiclet = LLChicletBar::getInstance()->getChicletPanel()->findChiclet<LLIMChiclet>(getNotificationId());
-		if (chiclet == NULL)
+		LLChicletPanel * chiclet_panelp = LLChicletBar::getInstance()->getChicletPanel();
+		if (NULL != chiclet_panelp)
 		{
-			llerror("Dock chiclet for LLScriptFloater doesn't exist", 0);
-		}
-		else
-		{
-			chiclet->setShowNewMessagesIcon(false);
+			LLIMChiclet * chicletp = chiclet_panelp->findChiclet<LLIMChiclet>(getNotificationId());
+			// Remove new message icon
+			if (NULL == chicletp)
+			{
+				llerror("Dock chiclet for LLScriptFloater doesn't exist", 0);
+			}
+			else
+			{
+				chicletp->setShowNewMessagesIcon(false);
+			}
 		}
 	}
 }
@@ -262,7 +275,11 @@ void LLScriptFloater::onFocusLost()
 {
 	if(getNotificationId().notNull())
 	{
-		LLChicletBar::getInstance()->getChicletPanel()->setChicletToggleState(getNotificationId(), false);
+		LLChicletPanel * chiclet_panelp = LLChicletBar::getInstance()->getChicletPanel();
+		if (NULL != chiclet_panelp)
+		{
+			chiclet_panelp->setChicletToggleState(getNotificationId(), false);
+		}
 	}
 }
 
@@ -271,7 +288,11 @@ void LLScriptFloater::onFocusReceived()
 	// first focus will be received before setObjectId() call - don't toggle chiclet
 	if(getNotificationId().notNull())
 	{
-		LLChicletBar::getInstance()->getChicletPanel()->setChicletToggleState(getNotificationId(), true);
+		LLChicletPanel * chiclet_panelp = LLChicletBar::getInstance()->getChicletPanel();
+		if (NULL != chiclet_panelp)
+		{
+			chiclet_panelp->setChicletToggleState(getNotificationId(), true);
+		}
 	}
 }
 
@@ -279,28 +300,30 @@ void LLScriptFloater::dockToChiclet(bool dock)
 {
 	if (getDockControl() == NULL)
 	{
-		LLChiclet* chiclet = LLChicletBar::getInstance()->getChicletPanel()->findChiclet<LLChiclet>(getNotificationId());
-		if (chiclet == NULL)
-		{
-			llwarns << "Dock chiclet for LLScriptFloater doesn't exist" << llendl;
-			return;
-		}
-		else
+		LLChicletPanel * chiclet_panelp = LLChicletBar::getInstance()->getChicletPanel();
+		if (NULL != chiclet_panelp)
 		{
-			LLChicletBar::getInstance()->getChicletPanel()->scrollToChiclet(chiclet);
-		}
+			LLChiclet * chicletp = chiclet_panelp->findChiclet<LLChiclet>(getNotificationId());
+			if (NULL == chicletp)
+			{
+				llwarns << "Dock chiclet for LLScriptFloater doesn't exist" << llendl;
+				return;
+			}
 
-		// Stop saving position while we dock floater
-		bool save = getSavePosition();
-		setSavePosition(false);
+			chiclet_panelp->scrollToChiclet(chicletp);
 
-		setDockControl(new LLDockControl(chiclet, this, getDockTongue(),
-			LLDockControl::BOTTOM));
+			// Stop saving position while we dock floater
+			bool save = getSavePosition();
+			setSavePosition(false);
 
-		setDocked(dock);
+			setDockControl(new LLDockControl(chicletp, this, getDockTongue(),
+				LLDockControl::BOTTOM));
 
-		// Restore saving
-		setSavePosition(save);
+			setDocked(dock);
+
+			// Restore saving
+			setSavePosition(save);
+		}
 	}
 }
 
@@ -347,11 +370,15 @@ void LLScriptFloaterManager::onAddNotification(const LLUUID& notification_id)
 		script_notification_map_t::const_iterator it = findUsingObjectId(object_id);
 		if(it != mNotifications.end())
 		{
-			LLIMChiclet* chiclet = LLChicletBar::getInstance()->getChicletPanel()->findChiclet<LLIMChiclet>(it->first);
-			if(chiclet)
+			LLChicletPanel * chiclet_panelp = LLChicletBar::getInstance()->getChicletPanel();
+			if (NULL != chiclet_panelp)
 			{
-				// Pass the new_message icon state further.
-				set_new_message = chiclet->getShowNewMessagesIcon();
+				LLIMChiclet * chicletp = chiclet_panelp->findChiclet<LLIMChiclet>(it->first);
+				if(NULL != chicletp)
+				{
+					// Pass the new_message icon state further.
+					set_new_message = chicletp->getShowNewMessagesIcon();
+				}
 			}
 
 			LLScriptFloater* floater = LLFloaterReg::findTypedInstance<LLScriptFloater>("script_floater", it->first);
@@ -367,14 +394,18 @@ void LLScriptFloaterManager::onAddNotification(const LLUUID& notification_id)
 
 	mNotifications.insert(std::make_pair(notification_id, object_id));
 
-	// Create inventory offer chiclet for offer type notifications
-	if( OBJ_GIVE_INVENTORY == obj_type )
+	LLChicletPanel * chiclet_panelp = LLChicletBar::getInstance()->getChicletPanel();
+	if (NULL != chiclet_panelp)
 	{
-		LLChicletBar::instance().getChicletPanel()->createChiclet<LLInvOfferChiclet>(notification_id);
-	}
-	else
-	{
-		LLChicletBar::getInstance()->getChicletPanel()->createChiclet<LLScriptChiclet>(notification_id);
+		// Create inventory offer chiclet for offer type notifications
+		if( OBJ_GIVE_INVENTORY == obj_type )
+		{
+			chiclet_panelp->createChiclet<LLInvOfferChiclet>(notification_id);
+		}
+		else
+		{
+			chiclet_panelp->createChiclet<LLScriptChiclet>(notification_id);
+		}
 	}
 
 	LLIMWellWindow::getInstance()->addObjectRow(notification_id, set_new_message);
@@ -410,7 +441,11 @@ void LLScriptFloaterManager::onRemoveNotification(const LLUUID& notification_id)
 	// remove related chiclet
 	if (LLChicletBar::instanceExists())
 	{
-		LLChicletBar::getInstance()->getChicletPanel()->removeChiclet(notification_id);
+		LLChicletPanel * chiclet_panelp = LLChicletBar::getInstance()->getChicletPanel();
+		if (NULL != chiclet_panelp)
+		{
+			chiclet_panelp->removeChiclet(notification_id);
+		}
 	}
 
 	LLIMWellWindow* im_well_window = LLIMWellWindow::findInstance();
diff --git a/indra/newview/llsidepanelappearance.cpp b/indra/newview/llsidepanelappearance.cpp
index 853656905c..b143240187 100644
--- a/indra/newview/llsidepanelappearance.cpp
+++ b/indra/newview/llsidepanelappearance.cpp
@@ -38,7 +38,7 @@
 #include "llfiltereditor.h"
 #include "llfloaterreg.h"
 #include "llfloaterworldmap.h"
-#include "llfoldervieweventlistener.h"
+#include "llfolderviewmodel.h"
 #include "lloutfitobserver.h"
 #include "llpaneleditwearable.h"
 #include "llpaneloutfitsinventory.h"
@@ -267,11 +267,11 @@ void LLSidepanelAppearance::onOpenOutfitButtonClicked()
 		if (inventory_panel)
 		{
 			LLFolderView* root = inventory_panel->getRootFolder();
-			LLFolderViewItem *outfit_folder = root->getItemByID(outfit_link->getLinkedUUID());
+			LLFolderViewItem *outfit_folder =    inventory_panel->getItemByID(outfit_link->getLinkedUUID());
 			if (outfit_folder)
 			{
 				outfit_folder->setOpen(!outfit_folder->isOpen());
-				root->setSelectionFromRoot(outfit_folder,TRUE);
+				root->setSelection(outfit_folder,TRUE);
 				root->scrollToShowSelection();
 			}
 		}
diff --git a/indra/newview/llsidepanelinventory.cpp b/indra/newview/llsidepanelinventory.cpp
index 4f9ab318a5..8915bb2fef 100644
--- a/indra/newview/llsidepanelinventory.cpp
+++ b/indra/newview/llsidepanelinventory.cpp
@@ -36,6 +36,7 @@
 #include "llfirstuse.h"
 #include "llfloatersidepanelcontainer.h"
 #include "llfoldertype.h"
+#include "llfolderview.h"
 #include "llhttpclient.h"
 #include "llinventorybridge.h"
 #include "llinventoryfunctions.h"
@@ -259,9 +260,8 @@ void LLSidepanelInventory::updateInbox()
 	//
 
 	const bool do_not_create_folder = false;
-	const bool do_not_find_in_library = false;
 
-	const LLUUID inbox_id = gInventory.findCategoryUUIDForType(LLFolderType::FT_INBOX, do_not_create_folder, do_not_find_in_library);
+	const LLUUID inbox_id = gInventory.findCategoryUUIDForType(LLFolderType::FT_INBOX, do_not_create_folder);
 	
 	// Set up observer to listen for creation of inbox if at least one of them doesn't exist
 	if (inbox_id.isNull())
@@ -383,10 +383,10 @@ void LLSidepanelInventory::onToggleInboxBtn()
 	{
 		inboxPanel->setTargetDim(gSavedPerAccountSettings.getS32("InventoryInboxHeight"));
 		if (inboxPanel->isInVisibleChain())
-		{
-			gSavedPerAccountSettings.setU32("LastInventoryInboxActivity", time_corrected());
-		}
+	{
+		gSavedPerAccountSettings.setU32("LastInventoryInboxActivity", time_corrected());
 	}
+}
 	else
 	{
 		gSavedPerAccountSettings.setS32("InventoryInboxHeight", inboxPanel->getTargetDim());
@@ -448,7 +448,7 @@ void LLSidepanelInventory::onInfoButtonClicked()
 
 void LLSidepanelInventory::onShareButtonClicked()
 {
-	LLAvatarActions::shareWithAvatars();
+	LLAvatarActions::shareWithAvatars(this);
 }
 
 void LLSidepanelInventory::onShopButtonClicked()
@@ -472,7 +472,7 @@ void LLSidepanelInventory::performActionOnSelection(const std::string &action)
 		}
 	}
 
-	current_item->getListener()->performAction(mPanelMainInventory->getActivePanel()->getModel(), action);
+	static_cast<LLFolderViewModelItemInventory*>(current_item->getViewModelItem())->performAction(mPanelMainInventory->getActivePanel()->getModel(), action);
 }
 
 void LLSidepanelInventory::onWearButtonClicked()
@@ -662,7 +662,7 @@ LLInventoryItem *LLSidepanelInventory::getSelectedItem()
 			return NULL;
 		}
 	}
-	const LLUUID &item_id = current_item->getListener()->getUUID();
+	const LLUUID &item_id = static_cast<LLFolderViewModelItemInventory*>(current_item->getViewModelItem())->getUUID();
 	LLInventoryItem *item = gInventory.getItem(item_id);
 	return item;
 }
@@ -671,7 +671,7 @@ U32 LLSidepanelInventory::getSelectedCount()
 {
 	int count = 0;
 
-	std::set<LLUUID> selection_list = mPanelMainInventory->getActivePanel()->getRootFolder()->getSelectionList();
+	std::set<LLFolderViewItem*> selection_list =    mPanelMainInventory->getActivePanel()->getRootFolder()->getSelectionList();
 	count += selection_list.size();
 
 	if ((count == 0) && mInboxEnabled && (mInventoryPanelInbox != NULL))
@@ -722,9 +722,9 @@ void LLSidepanelInventory::clearSelections(bool clearMain, bool clearInbox)
 	updateVerbs();
 }
 
-std::set<LLUUID> LLSidepanelInventory::getInboxSelectionList()
+std::set<LLFolderViewItem*> LLSidepanelInventory::getInboxSelectionList()
 {
-	std::set<LLUUID> inventory_selected_uuids;
+	std::set<LLFolderViewItem*> inventory_selected_uuids;
 	
 	if (mInboxEnabled && (mInventoryPanelInbox != NULL))
 	{
diff --git a/indra/newview/llsidepanelinventory.h b/indra/newview/llsidepanelinventory.h
index a33607f50d..e8b2808d4f 100644
--- a/indra/newview/llsidepanelinventory.h
+++ b/indra/newview/llsidepanelinventory.h
@@ -63,7 +63,7 @@ public:
 	BOOL isMainInventoryPanelActive() const;
 
 	void clearSelections(bool clearMain, bool clearInbox);
-	std::set<LLUUID> getInboxSelectionList();
+    std::set<LLFolderViewItem*> getInboxSelectionList();
 
 	void showItemInfoPanel();
 	void showTaskInfoPanel();
diff --git a/indra/newview/llspatialpartition.cpp b/indra/newview/llspatialpartition.cpp
index 2083afdcf5..6d13ebec37 100644
--- a/indra/newview/llspatialpartition.cpp
+++ b/indra/newview/llspatialpartition.cpp
@@ -2778,7 +2778,7 @@ void renderVisibility(LLSpatialGroup* group, LLCamera* camera)
 
 void renderCrossHairs(LLVector3 position, F32 size, LLColor4 color)
 {
-	gGL.diffuseColor4fv(color.mV);
+	gGL.color4fv(color.mV);
 	gGL.begin(LLRender::LINES);
 	{
 		gGL.vertex3fv((position - LLVector3(size, 0.f, 0.f)).mV);
@@ -4029,7 +4029,7 @@ void renderAgentTarget(LLVOAvatar* avatar)
 	if (avatar->isSelf())
 	{
 		renderCrossHairs(avatar->getPositionAgent(), 0.2f, LLColor4(1, 0, 0, 0.8f));
-		renderCrossHairs(avatar->mDrawable->getPositionAgent(), 0.2f, LLColor4(1, 0, 0, 0.8f));
+		renderCrossHairs(avatar->mDrawable->getPositionAgent(), 0.2f, LLColor4(0, 1, 0, 0.8f));
 		renderCrossHairs(avatar->mRoot.getWorldPosition(), 0.2f, LLColor4(1, 1, 1, 0.8f));
 		renderCrossHairs(avatar->mPelvisp->getWorldPosition(), 0.2f, LLColor4(0, 0, 1, 0.8f));
 	}
diff --git a/indra/newview/llspeakers.cpp b/indra/newview/llspeakers.cpp
index 07d2f1ad6f..88f29d7587 100644
--- a/indra/newview/llspeakers.cpp
+++ b/indra/newview/llspeakers.cpp
@@ -84,6 +84,19 @@ bool LLSpeaker::isInVoiceChannel()
 	return mStatus <= LLSpeaker::STATUS_VOICE_ACTIVE || mStatus == LLSpeaker::STATUS_MUTED;
 }
 
+LLSpeakerUpdateSpeakerEvent::LLSpeakerUpdateSpeakerEvent(LLSpeaker* source)
+: LLEvent(source, "Speaker update speaker event"),
+  mSpeakerID (source->mID)
+{
+}
+
+LLSD LLSpeakerUpdateSpeakerEvent::getValue()
+{
+	LLSD ret;
+	ret["id"] = mSpeakerID;
+	return ret;
+}
+
 LLSpeakerUpdateModeratorEvent::LLSpeakerUpdateModeratorEvent(LLSpeaker* source)
 : LLEvent(source, "Speaker add moderator event"),
   mSpeakerID (source->mID),
@@ -241,6 +254,51 @@ bool LLSpeakersDelayActionsStorage::onTimerActionCallback(const LLUUID& speaker_
 	return true;
 }
 
+bool LLSpeakersDelayActionsStorage::isTimerStarted(const LLUUID& speaker_id)
+{
+	return (mActionTimersMap.size() > 0) && (mActionTimersMap.find(speaker_id) != mActionTimersMap.end());
+}
+
+//
+// ModerationResponder
+//
+
+class ModerationResponder : public LLHTTPClient::Responder
+{
+public:
+	ModerationResponder(const LLUUID& session_id)
+	{
+		mSessionID = session_id;
+	}
+	
+	virtual void error(U32 status, const std::string& reason)
+	{
+		llwarns << status << ": " << reason << llendl;
+		
+		if ( gIMMgr )
+		{
+			//403 == you're not a mod
+			//should be disabled if you're not a moderator
+			if ( 403 == status )
+			{
+				gIMMgr->showSessionEventError(
+											  "mute",
+											  "not_a_mod_error",
+											  mSessionID);
+			}
+			else
+			{
+				gIMMgr->showSessionEventError(
+											  "mute",
+											  "generic_request_error",
+											  mSessionID);
+			}
+		}
+	}
+	
+private:
+	LLUUID mSessionID;
+};
 
 //
 // LLSpeakerMgr
@@ -374,6 +432,7 @@ void LLSpeakerMgr::update(BOOL resort_ok)
 				{
 					speakerp->mLastSpokeTime = mSpeechTimer.getElapsedTimeF32();
 					speakerp->mHasSpoken = TRUE;
+					fireEvent(new LLSpeakerUpdateSpeakerEvent(speakerp), "update_speaker");
 				}
 				speakerp->mStatus = LLSpeaker::STATUS_SPEAKING;
 				// interpolate between active color and full speaking color based on power of speech output
@@ -448,24 +507,42 @@ void LLSpeakerMgr::update(BOOL resort_ok)
 
 void LLSpeakerMgr::updateSpeakerList()
 {
-	// are we bound to the currently active voice channel?
+	// Are we bound to the currently active voice channel?
 	if ((!mVoiceChannel && LLVoiceClient::getInstance()->inProximalChannel()) || (mVoiceChannel && mVoiceChannel->isActive()))
 	{
-	        std::set<LLUUID> participants;
-	        LLVoiceClient::getInstance()->getParticipantList(participants);
-		// add new participants to our list of known speakers
-		for (std::set<LLUUID>::iterator participant_it = participants.begin();
-			 participant_it != participants.end(); 
-			 ++participant_it)
+		std::set<LLUUID> participants;
+		LLVoiceClient::getInstance()->getParticipantList(participants);
+		// If we are, add all voice client participants to our list of known speakers
+		for (std::set<LLUUID>::iterator participant_it = participants.begin(); participant_it != participants.end(); ++participant_it)
 		{
 				setSpeaker(*participant_it, 
 						   LLVoiceClient::getInstance()->getDisplayName(*participant_it),
 						   LLSpeaker::STATUS_VOICE_ACTIVE, 
 						   (LLVoiceClient::getInstance()->isParticipantAvatar(*participant_it)?LLSpeaker::SPEAKER_AGENT:LLSpeaker::SPEAKER_EXTERNAL));
-
-
 		}
 	}
+	else 
+	{
+		// If not, check if the list is empty, except if it's Nearby Chat (session_id NULL).
+		LLUUID session_id = getSessionID();
+		if ((mSpeakers.size() == 0) && (!session_id.isNull()))
+		{
+			// If the list is empty, we update it with whatever was used to initiate the call so that it doesn't stay empty too long.
+			// *TODO: Fix the server side code that sometimes forgets to send back the list of agents after a chat started 
+			// (IOW, fix why we get no ChatterBoxSessionAgentListUpdates message after the initial ChatterBoxSessionStartReply)
+			LLIMModel::LLIMSession* session = LLIMModel::getInstance()->findIMSession(session_id);
+			for (uuid_vec_t::iterator it = session->mInitialTargetIDs.begin();it!=session->mInitialTargetIDs.end();++it)
+			{
+				// Add buddies if they are on line, add any other avatar.
+				if (!LLAvatarTracker::instance().isBuddy(*it) || LLAvatarTracker::instance().isBuddyOnline(*it))
+				{
+					setSpeaker(*it, "", LLSpeaker::STATUS_VOICE_ACTIVE, LLSpeaker::SPEAKER_AGENT);
+				}
+			}
+		}
+	}
+	// Finally, always add the current agent (it has to be there no matter what...)
+	setSpeaker(gAgentID, "", LLSpeaker::STATUS_VOICE_ACTIVE, LLSpeaker::SPEAKER_AGENT);
 }
 
 void LLSpeakerMgr::setSpeakerNotInChannel(LLSpeaker* speakerp)
@@ -530,6 +607,10 @@ const LLUUID LLSpeakerMgr::getSessionID()
 	return mVoiceChannel->getSessionID(); 
 }
 
+bool LLSpeakerMgr::isSpeakerToBeRemoved(const LLUUID& speaker_id)
+{
+	return mSpeakerDelayRemover && mSpeakerDelayRemover->isTimerStarted(speaker_id);
+}
 
 void LLSpeakerMgr::setSpeakerTyping(const LLUUID& speaker_id, BOOL typing)
 {
@@ -548,6 +629,7 @@ void LLSpeakerMgr::speakerChatted(const LLUUID& speaker_id)
 	{
 		speakerp->mLastSpokeTime = mSpeechTimer.getElapsedTimeF32();
 		speakerp->mHasSpoken = TRUE;
+		fireEvent(new LLSpeakerUpdateSpeakerEvent(speakerp), "update_speaker");
 	}
 }
 
@@ -718,43 +800,6 @@ void LLIMSpeakerMgr::updateSpeakers(const LLSD& update)
 	}
 }
 
-class ModerationResponder : public LLHTTPClient::Responder
-{
-public:
-	ModerationResponder(const LLUUID& session_id)
-	{
-		mSessionID = session_id;
-	}
-
-	virtual void error(U32 status, const std::string& reason)
-	{
-		llwarns << status << ": " << reason << llendl;
-
-		if ( gIMMgr )
-		{
-			//403 == you're not a mod
-			//should be disabled if you're not a moderator
-			if ( 403 == status )
-			{
-				gIMMgr->showSessionEventError(
-					"mute",
-					"not_a_mod_error",
-					mSessionID);
-			}
-			else
-			{
-				gIMMgr->showSessionEventError(
-					"mute",
-					"generic_request_error",
-					mSessionID);
-			}
-		}
-	}
-
-private:
-	LLUUID mSessionID;
-};
-
 void LLIMSpeakerMgr::toggleAllowTextChat(const LLUUID& speaker_id)
 {
 	LLPointer<LLSpeaker> speakerp = findSpeaker(speaker_id);
diff --git a/indra/newview/llspeakers.h b/indra/newview/llspeakers.h
index b9358cf37c..7d518fe07b 100644
--- a/indra/newview/llspeakers.h
+++ b/indra/newview/llspeakers.h
@@ -29,7 +29,6 @@
 
 #include "llevent.h"
 #include "lleventtimer.h"
-#include "llspeakers.h"
 #include "llvoicechannel.h"
 
 class LLSpeakerMgr;
@@ -80,6 +79,15 @@ public:
 	BOOL			mModeratorMutedText;
 };
 
+class LLSpeakerUpdateSpeakerEvent : public LLOldEvents::LLEvent
+{
+public:
+	LLSpeakerUpdateSpeakerEvent(LLSpeaker* source);
+	/*virtual*/ LLSD getValue();
+private:
+	const LLUUID& mSpeakerID;
+};
+
 class LLSpeakerUpdateModeratorEvent : public LLOldEvents::LLEvent
 {
 public:
@@ -185,6 +193,8 @@ public:
 	void unsetActionTimer(const LLUUID& speaker_id);
 
 	void removeAllTimers();
+
+	bool isTimerStarted(const LLUUID& speaker_id);
 private:
 	/**
 	 * Callback of the each instance of LLSpeakerActionTimer.
@@ -229,6 +239,7 @@ public:
 	void getSpeakerList(speaker_list_t* speaker_list, BOOL include_text);
 	LLVoiceChannel* getVoiceChannel() { return mVoiceChannel; }
 	const LLUUID getSessionID();
+	bool isSpeakerToBeRemoved(const LLUUID& speaker_id);
 
 	/**
 	 * Removes avaline speaker.
diff --git a/indra/newview/llspeakingindicatormanager.cpp b/indra/newview/llspeakingindicatormanager.cpp
index 9b38bf22ff..76da7d1aee 100644
--- a/indra/newview/llspeakingindicatormanager.cpp
+++ b/indra/newview/llspeakingindicatormanager.cpp
@@ -74,6 +74,16 @@ public:
 	 */
 	void unregisterSpeakingIndicator(const LLUUID& speaker_id, const LLSpeakingIndicator* const speaking_indicator);
 
+	/**
+	 * Callback of changing voice participant list (from LLVoiceClientParticipantObserver).
+	 *
+	 * Switches off indicators had been switched on and switches on indicators of current participants list.
+	 * There is only a few indicators in lists should be switched off/on.
+	 * So, method does not calculate difference between these list it only switches off already 
+	 * switched on indicators and switches on indicators of voice channel participants
+	 */
+	void onParticipantsChanged();
+	
 private:
 	typedef std::set<LLUUID> speaker_ids_t;
 	typedef std::multimap<LLUUID, LLSpeakingIndicator*> speaking_indicators_mmap_t;
@@ -94,16 +104,6 @@ private:
 	void sOnCurrentChannelChanged(const LLUUID& session_id);
 
 	/**
-	 * Callback of changing voice participant list (from LLVoiceClientParticipantObserver).
-	 *
-	 * Switches off indicators had been switched on and switches on indicators of current participants list.
-	 * There is only a few indicators in lists should be switched off/on.
-	 * So, method does not calculate difference between these list it only switches off already 
-	 * switched on indicators and switches on indicators of voice channel participants
-	 */
-	void onParticipantsChanged();
-
-	/**
 	 * Changes state of indicators specified by LLUUIDs
 	 *
 	 * @param speakers_uuids - avatars' LLUUIDs whose speaking indicators should be switched
@@ -241,7 +241,7 @@ void SpeakingIndicatorManager::switchSpeakerIndicators(const speaker_ids_t& spea
 			BOOL switch_current_on = switch_on;
 
 			// we should show indicator for specified voice session only if this is current channel. EXT-5562.
-			if (switch_current_on && indicator->getTargetSessionID().notNull())
+			if (switch_current_on)
 			{
 				switch_current_on = indicator->getTargetSessionID() == session_id;
 				LL_DEBUGS("SpeakingIndicator") << "Session: " << session_id << ", target: " << indicator->getTargetSessionID() << ", the same? = " << switch_current_on << LL_ENDL;
@@ -249,16 +249,15 @@ void SpeakingIndicatorManager::switchSpeakerIndicators(const speaker_ids_t& spea
 			was_switched_on = was_switched_on || switch_current_on;
 
 			indicator->switchIndicator(switch_current_on);
-
 		}
 
 		if (was_found)
 		{
-			LL_DEBUGS("SpeakingIndicator") << mSpeakingIndicators.count(*it_uuid) << " indicators where found" << LL_ENDL;
+			LL_DEBUGS("SpeakingIndicator") << mSpeakingIndicators.count(*it_uuid) << " indicators were found" << LL_ENDL;
 
 			if (switch_on && !was_switched_on)
 			{
-				LL_DEBUGS("SpeakingIndicator") << "but non of them where switched on" << LL_ENDL;
+				LL_DEBUGS("SpeakingIndicator") << "but none of them were switched on" << LL_ENDL;
 			}
 
 			if (was_switched_on)
@@ -314,5 +313,13 @@ void LLSpeakingIndicatorManager::unregisterSpeakingIndicator(const LLUUID& speak
 	}
 }
 
+void LLSpeakingIndicatorManager::updateSpeakingIndicators()
+{
+	if(SpeakingIndicatorManager::instanceExists())
+	{
+		SpeakingIndicatorManager::instance().onParticipantsChanged();
+	}
+}
+
 // EOF
 
diff --git a/indra/newview/llspeakingindicatormanager.h b/indra/newview/llspeakingindicatormanager.h
index b0a147865b..e5afcd1cb7 100644
--- a/indra/newview/llspeakingindicatormanager.h
+++ b/indra/newview/llspeakingindicatormanager.h
@@ -78,6 +78,11 @@ namespace LLSpeakingIndicatorManager
 	 * @param speaking_indicator instance of the speaker indicator to be unregistered.
 	 */
 	void unregisterSpeakingIndicator(const LLUUID& speaker_id, const LLSpeakingIndicator* const speaking_indicator);
+
+	/**
+	 * Switch on/off registered speaking indicator according to the most current voice client status
+	 */
+	 void updateSpeakingIndicators();
 }
 
 #endif // LL_LLSPEAKINGINDICATORMANAGER_H
diff --git a/indra/newview/llstartup.cpp b/indra/newview/llstartup.cpp
index 3d1fd74ba6..66a2e6dbda 100755
--- a/indra/newview/llstartup.cpp
+++ b/indra/newview/llstartup.cpp
@@ -54,7 +54,7 @@
 #include "llfloaterreg.h"
 #include "llfocusmgr.h"
 #include "llhttpsender.h"
-#include "llimfloater.h"
+#include "llfloaterimsession.h"
 #include "lllocationhistory.h"
 #include "llimageworker.h"
 
@@ -63,7 +63,8 @@
 #include "llmemorystream.h"
 #include "llmessageconfig.h"
 #include "llmoveview.h"
-#include "llnearbychat.h"
+#include "llfloaterimcontainer.h"
+#include "llfloaterimnearbychat.h"
 #include "llnotifications.h"
 #include "llnotificationsutil.h"
 #include "llteleporthistory.h"
@@ -94,6 +95,7 @@
 #include "llcallingcard.h"
 #include "llconsole.h"
 #include "llcontainerview.h"
+#include "llconversationlog.h"
 #include "lldebugview.h"
 #include "lldrawable.h"
 #include "lleventnotifier.h"
@@ -1293,6 +1295,8 @@ bool idle_startup()
 		display_startup();
 		LLStartUp::setStartupState( STATE_MULTIMEDIA_INIT );
 		
+		LLConversationLog::getInstance();
+
 		return FALSE;
 	}
 
@@ -1403,14 +1407,9 @@ bool idle_startup()
 		LLVoiceClient::getInstance()->updateSettings();
 		display_startup();
 
-		//gCacheName is required for nearby chat history loading
-		//so I just moved nearby history loading a few states further
-		if (gSavedPerAccountSettings.getBOOL("LogShowHistory"))
-		{
-			LLNearbyChat* nearby_chat = LLNearbyChat::getInstance();
-			if (nearby_chat) nearby_chat->loadHistory();
-		}
-		display_startup();
+		// create a container's instance for start a controlling conversation windows
+		// by the voice's events
+		LLFloaterIMContainer::getInstance();
 
 		// *Note: this is where gWorldMap used to be initialized.
 
@@ -1521,7 +1520,7 @@ bool idle_startup()
 	}
 
 	//---------------------------------------------------------------------
-	// Agent Send
+	// World Wait
 	//---------------------------------------------------------------------
 	if(STATE_WORLD_WAIT == LLStartUp::getStartupState())
 	{
@@ -1847,6 +1846,10 @@ bool idle_startup()
 			// Set the show start location to true, now that the user has logged
 			// on with this install.
 			gSavedSettings.setBOOL("ShowStartLocation", TRUE);
+
+			// Open Conversation floater on first login.
+			LLFloaterReg::toggleInstanceOrBringToFront("im_container");
+
 		}
 
 		display_startup();
@@ -2169,7 +2172,6 @@ bool idle_startup()
 		display_startup();
 
 		// Unmute audio if desired and setup volumes.
-		// Unmute audio if desired and setup volumes.
 		// This is a not-uncommon crash site, so surround it with
 		// llinfos output to aid diagnosis.
 		LL_INFOS("AppInit") << "Doing first audio_update_volume..." << LL_ENDL;
@@ -2190,7 +2192,6 @@ bool idle_startup()
 
 		LLAgentPicksInfo::getInstance()->requestNumberOfPicks();
 
-		LLIMFloater::initIMFloater();
 		display_startup();
 
 		llassert(LLPathfindingManager::getInstance() != NULL);
@@ -2805,7 +2806,7 @@ void LLStartUp::initNameCache()
 
 	// Start cache in not-running state until we figure out if we have
 	// capabilities for display name lookup
-	LLAvatarNameCache::initClass(false);
+	LLAvatarNameCache::initClass(false,gSavedSettings.getBOOL("UsePeopleAPI"));
 	LLAvatarNameCache::setUseDisplayNames(gSavedSettings.getBOOL("UseDisplayNames"));
 }
 
diff --git a/indra/newview/llsyswellwindow.cpp b/indra/newview/llsyswellwindow.cpp
index 2002647fef..e92bd766ca 100644
--- a/indra/newview/llsyswellwindow.cpp
+++ b/indra/newview/llsyswellwindow.cpp
@@ -23,29 +23,18 @@
  * $/LicenseInfo$
  */
 
-
 #include "llviewerprecompiledheaders.h" // must be first include
-
 #include "llsyswellwindow.h"
 
-#include "llagent.h"
-#include "llavatarnamecache.h"
-
-#include "llflatlistview.h"
-#include "llfloaterreg.h"
-#include "llnotifications.h"
-
-#include "llscriptfloater.h"
-#include "llviewercontrol.h"
-#include "llviewerwindow.h"
-
 #include "llchiclet.h"
 #include "llchicletbar.h"
-#include "lltoastpanel.h"
+#include "llflatlistview.h"
+#include "llfloaterreg.h"
 #include "llnotificationmanager.h"
 #include "llnotificationsutil.h"
+#include "llscriptfloater.h"
 #include "llspeakers.h"
-#include "lltoolbarview.h"
+#include "lltoastpanel.h"
 
 //---------------------------------------------------------------------------------
 LLSysWellWindow::LLSysWellWindow(const LLSD& key) : LLTransientDockableFloater(NULL, true,  key),
@@ -68,10 +57,6 @@ BOOL LLSysWellWindow::postBuild()
 	// get a corresponding channel
 	initChannel();
 
-	// click on SysWell Window should clear "new message" state (and 'Lit' status). EXT-3147.
-	// mouse up callback is not called in this case.
-	setMouseDownCallback(boost::bind(&LLSysWellWindow::releaseNewMessagesState, this));
-
 	return LLTransientDockableFloater::postBuild();
 }
 
@@ -98,9 +83,12 @@ void LLSysWellWindow::onStartUpToastClick(S32 x, S32 y, MASK mask)
 void LLSysWellWindow::setSysWellChiclet(LLSysWellChiclet* chiclet) 
 { 
 	mSysWellChiclet = chiclet;
-	if(mSysWellChiclet)
-		mSysWellChiclet->updateWidget(isWindowEmpty()); 
+	if(NULL != mSysWellChiclet)
+	{
+		mSysWellChiclet->updateWidget(isWindowEmpty());
+	}
 }
+
 //---------------------------------------------------------------------------------
 LLSysWellWindow::~LLSysWellWindow()
 {
@@ -111,7 +99,10 @@ void LLSysWellWindow::removeItemByID(const LLUUID& id)
 {
 	if(mMessageList->removeItemByValue(id))
 	{
-		mSysWellChiclet->updateWidget(isWindowEmpty());
+		if (NULL != mSysWellChiclet)
+		{
+			mSysWellChiclet->updateWidget(isWindowEmpty());
+		}
 		reshapeWindow();
 	}
 	else
@@ -165,11 +156,6 @@ void LLSysWellWindow::setVisible(BOOL visible)
 		mChannel->updateShowToastsState();
 		mChannel->redrawToasts();
 	}
-
-	if (visible)
-	{
-		releaseNewMessagesState();
-	}
 }
 
 //---------------------------------------------------------------------------------
@@ -219,14 +205,6 @@ void LLSysWellWindow::reshapeWindow()
 	}
 }
 
-void LLSysWellWindow::releaseNewMessagesState()
-{
-	if (NULL != mSysWellChiclet)
-	{
-		mSysWellChiclet->setNewMessagesState(false);
-	}
-}
-
 //---------------------------------------------------------------------------------
 bool LLSysWellWindow::isWindowEmpty()
 {
@@ -234,121 +212,6 @@ bool LLSysWellWindow::isWindowEmpty()
 }
 
 /************************************************************************/
-/*         RowPanel implementation                                      */
-/************************************************************************/
-
-//---------------------------------------------------------------------------------
-LLIMWellWindow::RowPanel::RowPanel(const LLSysWellWindow* parent, const LLUUID& sessionId,
-		S32 chicletCounter, const std::string& name, const LLUUID& otherParticipantId) :
-		LLPanel(LLPanel::Params()), mChiclet(NULL), mParent(parent)
-{
-	buildFromFile( "panel_activeim_row.xml");
-
-	// Choose which of the pre-created chiclets (IM/group) to use.
-	// The other one gets hidden.
-
-	LLIMChiclet::EType im_chiclet_type = LLIMChiclet::getIMSessionType(sessionId);
-	switch (im_chiclet_type)
-	{
-	case LLIMChiclet::TYPE_GROUP:
-		mChiclet = getChild<LLIMGroupChiclet>("group_chiclet");
-		break;
-	case LLIMChiclet::TYPE_AD_HOC:
-		mChiclet = getChild<LLAdHocChiclet>("adhoc_chiclet");		
-		break;
-	case LLIMChiclet::TYPE_UNKNOWN: // assign mChiclet a non-null value anyway
-	case LLIMChiclet::TYPE_IM:
-		mChiclet = getChild<LLIMP2PChiclet>("p2p_chiclet");
-		break;
-	}
-
-	// Initialize chiclet.
-	mChiclet->setChicletSizeChangedCallback(boost::bind(&LLIMWellWindow::RowPanel::onChicletSizeChanged, this, mChiclet, _2));
-	mChiclet->enableCounterControl(true);
-	mChiclet->setCounter(chicletCounter);
-	mChiclet->setSessionId(sessionId);
-	mChiclet->setIMSessionName(name);
-	mChiclet->setOtherParticipantId(otherParticipantId);
-	mChiclet->setVisible(true);
-
-	if (im_chiclet_type == LLIMChiclet::TYPE_IM)
-	{
-		LLAvatarNameCache::get(otherParticipantId,
-			boost::bind(&LLIMWellWindow::RowPanel::onAvatarNameCache,
-				this, _1, _2));
-	}
-	else
-	{
-		LLTextBox* contactName = getChild<LLTextBox>("contact_name");
-		contactName->setValue(name);
-	}
-
-	mCloseBtn = getChild<LLButton>("hide_btn");
-	mCloseBtn->setCommitCallback(boost::bind(&LLIMWellWindow::RowPanel::onClosePanel, this));
-}
-
-//---------------------------------------------------------------------------------
-void LLIMWellWindow::RowPanel::onAvatarNameCache(const LLUUID& agent_id,
-												 const LLAvatarName& av_name)
-{
-	LLTextBox* contactName = getChild<LLTextBox>("contact_name");
-	contactName->setValue( av_name.getCompleteName() );
-}
-
-//---------------------------------------------------------------------------------
-void LLIMWellWindow::RowPanel::onChicletSizeChanged(LLChiclet* ctrl, const LLSD& param)
-{
-	LLTextBox* text = getChild<LLTextBox>("contact_name");
-	S32 new_text_left = mChiclet->getRect().mRight + CHICLET_HPAD;
-	LLRect text_rect = text->getRect(); 
-	text_rect.mLeft = new_text_left;
-	text->setShape(text_rect);
-}
-
-//---------------------------------------------------------------------------------
-LLIMWellWindow::RowPanel::~RowPanel()
-{
-}
-
-//---------------------------------------------------------------------------------
-void LLIMWellWindow::RowPanel::onClosePanel()
-{
-	gIMMgr->leaveSession(mChiclet->getSessionId());
-	// This row panel will be removed from the list in LLSysWellWindow::sessionRemoved().
-}
-
-//---------------------------------------------------------------------------------
-void LLIMWellWindow::RowPanel::onMouseEnter(S32 x, S32 y, MASK mask)
-{
-	setTransparentColor(LLUIColorTable::instance().getColor("SysWellItemSelected"));
-}
-
-//---------------------------------------------------------------------------------
-void LLIMWellWindow::RowPanel::onMouseLeave(S32 x, S32 y, MASK mask)
-{
-	setTransparentColor(LLUIColorTable::instance().getColor("SysWellItemUnselected"));
-}
-
-//---------------------------------------------------------------------------------
-// virtual
-BOOL LLIMWellWindow::RowPanel::handleMouseDown(S32 x, S32 y, MASK mask)
-{
-	// Pass the mouse down event to the chiclet (EXT-596).
-	if (!mChiclet->pointInView(x, y) && !mCloseBtn->getRect().pointInRect(x, y)) // prevent double call of LLIMChiclet::onMouseDown()
-	{
-		mChiclet->onMouseDown();
-		return TRUE;
-	}
-
-	return LLPanel::handleMouseDown(x, y, mask);
-}
-
-// virtual
-BOOL LLIMWellWindow::RowPanel::handleRightMouseDown(S32 x, S32 y, MASK mask)
-{
-	return mChiclet->handleRightMouseDown(x, y, mask);
-}
-/************************************************************************/
 /*         ObjectRowPanel implementation                                */
 /************************************************************************/
 
@@ -433,13 +296,19 @@ BOOL LLIMWellWindow::ObjectRowPanel::handleRightMouseDown(S32 x, S32 y, MASK mas
 
 //////////////////////////////////////////////////////////////////////////
 // PUBLIC METHODS
+LLNotificationWellWindow::WellNotificationChannel::WellNotificationChannel(LLNotificationWellWindow* well_window)
+:	LLNotificationChannel(LLNotificationChannel::Params().name(well_window->getPathname())),
+	mWellWindow(well_window)
+{
+	connectToChannel("Notifications");
+	connectToChannel("Group Notifications");
+	connectToChannel("Offer");
+}
+
 LLNotificationWellWindow::LLNotificationWellWindow(const LLSD& key)
-: LLSysWellWindow(key)
+:	LLSysWellWindow(key)
 {
-	// init connections to the list's update events
-	connectListUpdaterToSignal("notify");
-	connectListUpdaterToSignal("groupnotify");
-	connectListUpdaterToSignal("offer");
+	mNotificationUpdates.reset(new WellNotificationChannel(this));
 }
 
 // static
@@ -481,7 +350,6 @@ void LLNotificationWellWindow::addItem(LLSysWellItem::Params p)
 	{
 		mSysWellChiclet->updateWidget(isWindowEmpty());
 		reshapeWindow();
-
 		new_item->setOnItemCloseCallback(boost::bind(&LLNotificationWellWindow::onItemClose, this, _1));
 		new_item->setOnItemClickCallback(boost::bind(&LLNotificationWellWindow::onItemClick, this, _1));
 	}
@@ -519,7 +387,7 @@ void LLNotificationWellWindow::initChannel()
 	LLSysWellWindow::initChannel();
 	if(mChannel)
 	{
-		mChannel->setOnStoreToastCallback(boost::bind(&LLNotificationWellWindow::onStoreToast, this, _1, _2));
+		mChannel->addOnStoreToastCallback(boost::bind(&LLNotificationWellWindow::onStoreToast, this, _1, _2));
 	}
 }
 
@@ -546,20 +414,6 @@ void LLNotificationWellWindow::onStoreToast(LLPanel* info_panel, LLUUID id)
 	addItem(p);
 }
 
-void LLNotificationWellWindow::connectListUpdaterToSignal(std::string notification_type)
-{
-	LLNotificationsUI::LLNotificationManager* manager = LLNotificationsUI::LLNotificationManager::getInstance();
-	LLNotificationsUI::LLEventHandler* n_handler = manager->getHandlerForNotification(notification_type);
-	if(n_handler)
-	{
-		n_handler->setNotificationIDCallback(boost::bind(&LLNotificationWellWindow::removeItemByID, this, _1));
-	}
-	else
-	{
-		llwarns << "LLSysWellWindow::connectListUpdaterToSignal() - could not get a handler for '" << notification_type <<"' type of notifications" << llendl;
-	}
-}
-
 void LLNotificationWellWindow::onItemClick(LLSysWellItem* item)
 {
 	LLUUID id = item->getID();
@@ -574,7 +428,10 @@ void LLNotificationWellWindow::onItemClose(LLSysWellItem* item)
 		mChannel->killToastByNotificationID(id);
 }
 
-
+void LLNotificationWellWindow::onAdd( LLNotificationPtr notify )
+{
+	removeItemByID(notify->getID());
+}
 
 /************************************************************************/
 /*         LLIMWellWindow  implementation                               */
@@ -585,12 +442,10 @@ void LLNotificationWellWindow::onItemClose(LLSysWellItem* item)
 LLIMWellWindow::LLIMWellWindow(const LLSD& key)
 : LLSysWellWindow(key)
 {
-	LLIMMgr::getInstance()->addSessionObserver(this);
 }
 
 LLIMWellWindow::~LLIMWellWindow()
 {
-	LLIMMgr::getInstance()->removeSessionObserver(this);
 }
 
 // static
@@ -611,47 +466,11 @@ BOOL LLIMWellWindow::postBuild()
 	BOOL rv = LLSysWellWindow::postBuild();
 	setTitle(getString("title_im_well_window"));
 
-	LLIMChiclet::sFindChicletsSignal.connect(boost::bind(&LLIMWellWindow::findIMChiclet, this, _1));
 	LLIMChiclet::sFindChicletsSignal.connect(boost::bind(&LLIMWellWindow::findObjectChiclet, this, _1));
 
 	return rv;
 }
 
-//virtual
-void LLIMWellWindow::sessionAdded(const LLUUID& session_id,
-								   const std::string& name, const LLUUID& other_participant_id)
-{
-	LLIMModel::LLIMSession* session = LLIMModel::getInstance()->findIMSession(session_id);
-	if (!session) return;
-
-	// no need to spawn chiclets for participants in P2P calls called through Avaline
-	if (session->isP2P() && session->isOtherParticipantAvaline()) return;
-
-	if (mMessageList->getItemByValue(session_id)) return;
-
-	addIMRow(session_id, 0, name, other_participant_id);	
-	reshapeWindow();
-}
-
-//virtual
-void LLIMWellWindow::sessionRemoved(const LLUUID& sessionId)
-{
-	delIMRow(sessionId);
-	reshapeWindow();
-}
-
-//virtual
-void LLIMWellWindow::sessionIDUpdated(const LLUUID& old_session_id, const LLUUID& new_session_id)
-{
-	//for outgoing ad-hoc and group im sessions only
-	LLChiclet* chiclet = findIMChiclet(old_session_id);
-	if (chiclet)
-	{
-		chiclet->setSessionId(new_session_id);
-		mMessageList->updateValue(old_session_id, new_session_id);
-	}
-}
-
 LLChiclet* LLIMWellWindow::findObjectChiclet(const LLUUID& notification_id)
 {
 	if (!mMessageList) return NULL;
@@ -668,85 +487,13 @@ LLChiclet* LLIMWellWindow::findObjectChiclet(const LLUUID& notification_id)
 
 //////////////////////////////////////////////////////////////////////////
 // PRIVATE METHODS
-LLChiclet* LLIMWellWindow::findIMChiclet(const LLUUID& sessionId)
-{
-	if (!mMessageList) return NULL;
-
-	LLChiclet* res = NULL;
-	RowPanel* panel = mMessageList->getTypedItemByValue<RowPanel>(sessionId);
-	if (panel != NULL)
-	{
-		res = panel->mChiclet;
-	}
-
-	return res;
-}
-
-//---------------------------------------------------------------------------------
-void LLIMWellWindow::addIMRow(const LLUUID& sessionId, S32 chicletCounter,
-							   const std::string& name, const LLUUID& otherParticipantId)
-{
-	RowPanel* item = new RowPanel(this, sessionId, chicletCounter, name, otherParticipantId);
-	if (mMessageList->addItem(item, sessionId))
-	{
-		mSysWellChiclet->updateWidget(isWindowEmpty());
-	}
-	else
-	{
-		llwarns << "Unable to add IM Row into the list, sessionID: " << sessionId
-			<< ", name: " << name
-			<< ", other participant ID: " << otherParticipantId
-			<< llendl;
-
-		item->die();
-	}
-}
-
-//---------------------------------------------------------------------------------
-void LLIMWellWindow::delIMRow(const LLUUID& sessionId)
-{
-	//fix for EXT-3252
-	//without this line LLIMWellWindow receive onFocusLost
-	//and hide itself. It was becaue somehow LLIMChicklet was in focus group for
-	//LLIMWellWindow...
-	//But I didn't find why this happen..
-	gFocusMgr.clearLastFocusForGroup(this);
-
-	if (mMessageList->removeItemByValue(sessionId))
-	{
-		mSysWellChiclet->updateWidget(isWindowEmpty());
-	}
-	else
-	{
-		llwarns << "Unable to remove IM Row from the list, sessionID: " << sessionId
-			<< llendl;
-	}
-
-	// remove all toasts that belong to this session from a screen
-	if(mChannel)
-		mChannel->removeToastsBySessionID(sessionId);
-
-	// hide chiclet window if there are no items left
-	if(isWindowEmpty())
-	{
-		setVisible(FALSE);
-	}
-	else
-	{
-		setFocus(true);
-	}
-}
 
 void LLIMWellWindow::addObjectRow(const LLUUID& notification_id, bool new_message/* = false*/)
 {
 	if (mMessageList->getItemByValue(notification_id) == NULL)
 	{
 		ObjectRowPanel* item = new ObjectRowPanel(notification_id, new_message);
-		if (mMessageList->addItem(item, notification_id))
-		{
-			mSysWellChiclet->updateWidget(isWindowEmpty());
-		}
-		else
+		if (!mMessageList->addItem(item, notification_id))
 		{
 			llwarns << "Unable to add Object Row into the list, notificationID: " << notification_id << llendl;
 			item->die();
@@ -757,14 +504,7 @@ void LLIMWellWindow::addObjectRow(const LLUUID& notification_id, bool new_messag
 
 void LLIMWellWindow::removeObjectRow(const LLUUID& notification_id)
 {
-	if (mMessageList->removeItemByValue(notification_id))
-	{
-		if (mSysWellChiclet)
-		{
-			mSysWellChiclet->updateWidget(isWindowEmpty());
-		}
-	}
-	else
+	if (!mMessageList->removeItemByValue(notification_id))
 	{
 		llwarns << "Unable to remove Object Row from the list, notificationID: " << notification_id << llendl;
 	}
@@ -777,21 +517,6 @@ void LLIMWellWindow::removeObjectRow(const LLUUID& notification_id)
 	}
 }
 
-
-void LLIMWellWindow::addIMRow(const LLUUID& session_id)
-{
-	if (hasIMRow(session_id)) return;
-
-	LLIMModel* im_model = LLIMModel::getInstance();
-	addIMRow(session_id, 0, im_model->getName(session_id), im_model->getOtherParticipantID(session_id));
-	reshapeWindow();
-}
-
-bool LLIMWellWindow::hasIMRow(const LLUUID& session_id)
-{
-	return mMessageList->getItemByValue(session_id);
-}
-
 void LLIMWellWindow::closeAll()
 {
 	// Generate an ignorable alert dialog if there is an active voice IM sesion
@@ -836,13 +561,6 @@ void LLIMWellWindow::closeAllImpl()
 	{
 		LLPanel* panel = mMessageList->getItemByValue(*iter);
 
-		RowPanel* im_panel = dynamic_cast <RowPanel*> (panel);
-		if (im_panel)
-		{
-			gIMMgr->leaveSession(*iter);
-			continue;
-		}
-
 		ObjectRowPanel* obj_panel = dynamic_cast <ObjectRowPanel*> (panel);
 		if (obj_panel)
 		{
@@ -867,4 +585,4 @@ bool LLIMWellWindow::confirmCloseAll(const LLSD& notification, const LLSD& respo
 	return false;
 }
 
-// EOF
+
diff --git a/indra/newview/llsyswellwindow.h b/indra/newview/llsyswellwindow.h
index 272e9cfcb1..cc5c057d8b 100644
--- a/indra/newview/llsyswellwindow.h
+++ b/indra/newview/llsyswellwindow.h
@@ -27,29 +27,26 @@
 #ifndef LL_LLSYSWELLWINDOW_H
 #define LL_LLSYSWELLWINDOW_H
 
+#include "llimview.h"
+#include "llnotifications.h"
+#include "llscreenchannel.h"
 #include "llsyswellitem.h"
-
 #include "lltransientdockablefloater.h"
-#include "llbutton.h"
-#include "llscreenchannel.h"
-#include "llscrollcontainer.h"
-#include "llimview.h"
-
-#include "boost/shared_ptr.hpp"
 
 class LLAvatarName;
-class LLFlatListView;
 class LLChiclet;
+class LLFlatListView;
 class LLIMChiclet;
 class LLScriptChiclet;
 class LLSysWellChiclet;
 
-
 class LLSysWellWindow : public LLTransientDockableFloater
 {
 public:
+	LOG_CLASS(LLSysWellWindow);
+
     LLSysWellWindow(const LLSD& key);
-    ~LLSysWellWindow();
+    virtual ~LLSysWellWindow();
 	BOOL postBuild();
 
 	// other interface functions
@@ -84,7 +81,6 @@ protected:
 	virtual const std::string& getAnchorViewName() = 0;
 
 	void reshapeWindow();
-	void releaseNewMessagesState();
 
 	// pointer to a corresponding channel's instance
 	LLNotificationsUI::LLScreenChannel*	mChannel;
@@ -111,7 +107,7 @@ public:
 
 	/*virtual*/ BOOL postBuild();
 	/*virtual*/ void setVisible(BOOL visible);
-
+	/*virtual*/ void onAdd(LLNotificationPtr notify);
 	// Operating with items
 	void addItem(LLSysWellItem::Params p);
 
@@ -119,6 +115,18 @@ public:
 	void closeAll();
 
 protected:
+	struct WellNotificationChannel : public LLNotificationChannel
+	{
+		WellNotificationChannel(LLNotificationWellWindow*);
+		void onDelete(LLNotificationPtr notify)
+		{
+			mWellWindow->removeItemByID(notify->getID());
+		} 
+
+		LLNotificationWellWindow* mWellWindow;
+	};
+
+	LLNotificationChannelPtr mNotificationUpdates;
 	/*virtual*/ const std::string& getAnchorViewName() { return NOTIFICATION_WELL_ANCHOR_NAME; }
 
 private:
@@ -126,12 +134,8 @@ private:
 	void initChannel();
 	void clearScreenChannels();
 
-
 	void onStoreToast(LLPanel* info_panel, LLUUID id);
 
-	// connect counter and list updaters to the corresponding signals
-	void connectListUpdaterToSignal(std::string notification_type);
-
 	// Handlers
 	void onItemClick(LLSysWellItem* item);
 	void onItemClose(LLSysWellItem* item);
@@ -146,7 +150,7 @@ private:
  * 
  * It contains a list list of all active IM sessions.
  */
-class LLIMWellWindow : public LLSysWellWindow, LLIMSessionObserver, LLInitClass<LLIMWellWindow>
+class LLIMWellWindow : public LLSysWellWindow, LLInitClass<LLIMWellWindow>
 {
 public:
 	LLIMWellWindow(const LLSD& key);
@@ -158,57 +162,19 @@ public:
 
 	/*virtual*/ BOOL postBuild();
 
-	// LLIMSessionObserver observe triggers
-	/*virtual*/ void sessionAdded(const LLUUID& session_id, const std::string& name, const LLUUID& other_participant_id);
-	/*virtual*/ void sessionRemoved(const LLUUID& session_id);
-	/*virtual*/ void sessionIDUpdated(const LLUUID& old_session_id, const LLUUID& new_session_id);
-
 	void addObjectRow(const LLUUID& notification_id, bool new_message = false);
 	void removeObjectRow(const LLUUID& notification_id);
-
-	void addIMRow(const LLUUID& session_id);
-	bool hasIMRow(const LLUUID& session_id);
-
 	void closeAll();
 
 protected:
 	/*virtual*/ const std::string& getAnchorViewName() { return IM_WELL_ANCHOR_NAME; }
 
 private:
-	LLChiclet * findIMChiclet(const LLUUID& sessionId);
 	LLChiclet* findObjectChiclet(const LLUUID& notification_id);
 
-	void addIMRow(const LLUUID& sessionId, S32 chicletCounter, const std::string& name, const LLUUID& otherParticipantId);
-	void delIMRow(const LLUUID& sessionId);
 	bool confirmCloseAll(const LLSD& notification, const LLSD& response);
 	void closeAllImpl();
 
-	/**
-	 * Scrolling row panel.
-	 */
-	class RowPanel: public LLPanel
-	{
-	public:
-		RowPanel(const LLSysWellWindow* parent, const LLUUID& sessionId, S32 chicletCounter,
-				const std::string& name, const LLUUID& otherParticipantId);
-		virtual ~RowPanel();
-		void onMouseEnter(S32 x, S32 y, MASK mask);
-		void onMouseLeave(S32 x, S32 y, MASK mask);
-		BOOL handleMouseDown(S32 x, S32 y, MASK mask);
-		BOOL handleRightMouseDown(S32 x, S32 y, MASK mask);
-
-	private:
-		static const S32 CHICLET_HPAD = 10;
-		void onAvatarNameCache(const LLUUID& agent_id, const LLAvatarName& av_name);
-		void onChicletSizeChanged(LLChiclet* ctrl, const LLSD& param);
-		void onClosePanel();
-	public:
-		LLIMChiclet* mChiclet;
-	private:
-		LLButton*	mCloseBtn;
-		const LLSysWellWindow* mParent;
-	};
-
 	class ObjectRowPanel: public LLPanel
 	{
 	public:
diff --git a/indra/newview/lltexturectrl.cpp b/indra/newview/lltexturectrl.cpp
index ec36cf48c2..007eb8e33f 100644
--- a/indra/newview/lltexturectrl.cpp
+++ b/indra/newview/lltexturectrl.cpp
@@ -39,7 +39,7 @@
 #include "llfocusmgr.h"
 #include "llviewertexture.h"
 #include "llfolderview.h"
-#include "llfoldervieweventlistener.h"
+#include "llfolderviewmodel.h"
 #include "llinventory.h"
 #include "llinventoryfunctions.h"
 #include "llinventorymodelbackgroundfetch.h"
@@ -58,6 +58,7 @@
 #include "lltoolmgr.h"
 #include "lltoolpipette.h"
 #include "llfiltereditor.h"
+#include "llwindow.h"
 
 #include "lltool.h"
 #include "llviewerwindow.h"
@@ -186,7 +187,7 @@ protected:
 	F32					mContextConeOpacity;
 	LLSaveFolderState	mSavedFolderState;
 	BOOL				mSelectedItemPinned;
-	
+
 	LLRadioGroup*		mModeSelector;
 	LLScrollListCtrl*	mLocalScrollCtrl;
 
@@ -372,7 +373,7 @@ BOOL LLFloaterTexturePicker::handleKeyHere(KEY key, MASK mask)
 		{
 			if (!root_folder->getCurSelectedItem())
 			{
-				LLFolderViewItem* itemp = root_folder->getItemByID(gInventory.getRootFolderID());
+				LLFolderViewItem* itemp =    mInventoryPanel->getItemByID(gInventory.getRootFolderID());
 				if (itemp)
 				{
 					root_folder->setSelection(itemp, FALSE, FALSE);
@@ -454,7 +455,7 @@ BOOL LLFloaterTexturePicker::postBuild()
 
 		// Commented out to scroll to currently selected texture. See EXT-5403.
 		// // store this filter as the default one
-		// mInventoryPanel->getRootFolder()->getFilter()->markDefault();
+		// mInventoryPanel->getRootFolder()->getFilter().markDefault();
 
 		// Commented out to stop opening all folders with textures
 		// mInventoryPanel->openDefaultFolderForType(LLFolderType::FT_TEXTURE);
@@ -637,11 +638,10 @@ void LLFloaterTexturePicker::draw()
 		LLFolderView* folder_view = mInventoryPanel->getRootFolder();
 		if (!folder_view) return;
 
-		LLInventoryFilter* filter = folder_view->getFilter();
-		if (!filter) return;
+		LLFolderViewFilter& filter = static_cast<LLFolderViewModelInventory*>(folder_view->getFolderViewModel())->getFilter();
 
-		bool is_filter_active = folder_view->getCompletedFilterGeneration() < filter->getCurrentGeneration() &&
-				filter->isNotDefault();
+		bool is_filter_active = folder_view->getViewModelItem()->getLastFilterGeneration() < filter.getCurrentGeneration() &&
+				filter.isNotDefault();
 
 		// After inventory panel filter is applied we have to update
 		// constraint rect for the selected item because of folder view
@@ -651,26 +651,12 @@ void LLFloaterTexturePicker::draw()
 		if (!is_filter_active && !mSelectedItemPinned)
 		{
 			folder_view->setPinningSelectedItem(mSelectedItemPinned);
-			folder_view->dirtyFilter();
-			folder_view->arrangeFromRoot();
-
+			folder_view->getViewModelItem()->dirtyFilter();
 			mSelectedItemPinned = TRUE;
 		}
 	}
 }
 
-// static
-/*
-void LLFloaterTexturePicker::onSaveAnotherCopyDialog( S32 option, void* userdata )
-{
-	LLFloaterTexturePicker* self = (LLFloaterTexturePicker*) userdata;
-	if( 0 == option )
-	{
-		self->copyToInventoryFinal();
-	}
-}
-*/
-
 const LLUUID& LLFloaterTexturePicker::findItemID(const LLUUID& asset_id, BOOL copyable_only)
 {
 	LLViewerInventoryCategory::cat_array_t cats;
@@ -815,7 +801,7 @@ void LLFloaterTexturePicker::onSelectionChange(const std::deque<LLFolderViewItem
 	if (items.size())
 	{
 		LLFolderViewItem* first_item = items.front();
-		LLInventoryItem* itemp = gInventory.getItem(first_item->getListener()->getUUID());
+		LLInventoryItem* itemp = gInventory.getItem(static_cast<LLFolderViewModelItemInventory*>(first_item->getViewModelItem())->getUUID());
 		mNoCopyTextureSelected = FALSE;
 		if (itemp)
 		{
@@ -1011,7 +997,7 @@ void LLFloaterTexturePicker::onFilterEdit(const std::string& search_string )
 	else if (mInventoryPanel->getFilterSubString().empty())
 	{
 		// first letter in search term, save existing folder open state
-		if (!mInventoryPanel->getRootFolder()->isFilterModified())
+		if (!mInventoryPanel->getFilter().isNotDefault())
 		{
 			mSavedFolderState.setApply(FALSE);
 			mInventoryPanel->getRootFolder()->applyFunctorRecursively(mSavedFolderState);
@@ -1325,7 +1311,7 @@ void LLTextureCtrl::onFloaterCommit(ETexturePickOp op, LLUUID id)
 		// (i.e. op == TEXTURE_SELECT) or texture changes via DnD.
 		else if (mCommitOnSelection || op == TEXTURE_SELECT)
 			mViewModel->setDirty(); // *TODO: shouldn't we be using setValue() here?
-
+			
 		if(floaterp->isDirty() || id.notNull()) // mModelView->setDirty does not work.
 		{
 			setTentative( FALSE );
@@ -1337,10 +1323,10 @@ void LLTextureCtrl::onFloaterCommit(ETexturePickOp op, LLUUID id)
 			}
 			else
 			{
-				mImageItemID = floaterp->findItemID(floaterp->getAssetID(), FALSE);
-				lldebugs << "mImageItemID: " << mImageItemID << llendl;
-				mImageAssetID = floaterp->getAssetID();
-				lldebugs << "mImageAssetID: " << mImageAssetID << llendl;
+			mImageItemID = floaterp->findItemID(floaterp->getAssetID(), FALSE);
+			lldebugs << "mImageItemID: " << mImageItemID << llendl;
+			mImageAssetID = floaterp->getAssetID();
+			lldebugs << "mImageAssetID: " << mImageAssetID << llendl;
 			}
 
 			if (op == TEXTURE_SELECT && mOnSelectCallback)
diff --git a/indra/newview/lltexturefetch.cpp b/indra/newview/lltexturefetch.cpp
index a2854dd6d8..a2854dd6d8 100644..100755
--- a/indra/newview/lltexturefetch.cpp
+++ b/indra/newview/lltexturefetch.cpp
diff --git a/indra/newview/lltoast.h b/indra/newview/lltoast.h
index e1d99b1bcb..ea62f758f8 100644
--- a/indra/newview/lltoast.h
+++ b/indra/newview/lltoast.h
@@ -169,6 +169,7 @@ public:
 	// get/set Toast's flags or states
 	// get information whether the notification corresponding to the toast is valid or not
 	bool isNotificationValid();
+
 	// get toast's Notification ID
 	const LLUUID getNotificationID() const { return mNotificationID;}
 	// get toast's Session ID
@@ -212,7 +213,7 @@ private:
 
 	//LLRootHandle<LLToast>	mHandle;
 		
-	LLPanel* mWrapperPanel;
+	LLPanel*	 mWrapperPanel;
 
 	// timer counts a lifetime of a toast
 	std::auto_ptr<LLToastLifeTimer> mTimer;
@@ -220,8 +221,8 @@ private:
 	F32			mToastLifetime; // in seconds
 	F32			mToastFadingTime; // in seconds
 	
-	LLPanel*		mPanel;
-	LLButton*		mHideBtn;
+	LLPanel*	mPanel;
+	LLButton*	mHideBtn;
 
 	LLColor4	mBgColor;
 	bool		mCanFade;
diff --git a/indra/newview/lltoastgroupnotifypanel.cpp b/indra/newview/lltoastgroupnotifypanel.cpp
index 75178a6ef8..4dc0d424ac 100644
--- a/indra/newview/lltoastgroupnotifypanel.cpp
+++ b/indra/newview/lltoastgroupnotifypanel.cpp
@@ -51,7 +51,7 @@
 
 const S32 LLToastGroupNotifyPanel::DEFAULT_MESSAGE_MAX_LINE_COUNT	= 7;
 
-LLToastGroupNotifyPanel::LLToastGroupNotifyPanel(LLNotificationPtr& notification)
+LLToastGroupNotifyPanel::LLToastGroupNotifyPanel(const LLNotificationPtr& notification)
 :	LLToastPanel(notification),
 	mInventoryOffer(NULL)
 {
@@ -69,10 +69,8 @@ LLToastGroupNotifyPanel::LLToastGroupNotifyPanel(LLNotificationPtr& notification
 
 	//header title
 	std::string from_name = payload["sender_name"].asString();
-	if (LLAvatarNameCache::useDisplayNames())
-	{
-		from_name = LLCacheName::buildUsername(from_name);
-	}
+	from_name = LLCacheName::buildUsername(from_name);
+
 	std::stringstream from;
 	from << from_name << "/" << groupData.mName;
 	LLTextBox* pTitleText = getChild<LLTextBox>("title");
@@ -112,7 +110,7 @@ LLToastGroupNotifyPanel::LLToastGroupNotifyPanel(LLNotificationPtr& notification
 		style.font = date_font;
 	pMessageText->appendText(timeStr + "\n", TRUE, style);
 	
-	style.font = pMessageText->getDefaultFont();
+	style.font = pMessageText->getFont();
 	pMessageText->appendText(message, TRUE, style);
 
 	//attachment
diff --git a/indra/newview/lltoastgroupnotifypanel.h b/indra/newview/lltoastgroupnotifypanel.h
index 7794ec9f63..dfdc6ae559 100644
--- a/indra/newview/lltoastgroupnotifypanel.h
+++ b/indra/newview/lltoastgroupnotifypanel.h
@@ -47,13 +47,10 @@ class LLToastGroupNotifyPanel
 public:
 	void close();
 
-	static bool onNewNotification(const LLSD& notification);
-
-
 	// Non-transient messages.  You can specify non-default button
 	// layouts (like one for script dialogs) by passing various
 	// numbers in for "layout".
-	LLToastGroupNotifyPanel(LLNotificationPtr& notification);
+	LLToastGroupNotifyPanel(const LLNotificationPtr& notification);
 
 	/*virtual*/ ~LLToastGroupNotifyPanel();
 protected:
diff --git a/indra/newview/lltoastimpanel.cpp b/indra/newview/lltoastimpanel.cpp
index e0cb200ef5..75e6e3d13a 100644
--- a/indra/newview/lltoastimpanel.cpp
+++ b/indra/newview/lltoastimpanel.cpp
@@ -104,9 +104,9 @@ LLToastIMPanel::~LLToastIMPanel()
 }
 
 //virtual
-BOOL LLToastIMPanel::handleMouseDown(S32 x, S32 y, MASK mask)
+BOOL LLToastIMPanel::handleMouseUp(S32 x, S32 y, MASK mask)
 {
-	if (LLPanel::handleMouseDown(x,y,mask) == FALSE)
+	if (LLPanel::handleMouseUp(x,y,mask) == FALSE)
 	{
 		mNotification->respond(mNotification->getResponseTemplate());
 	}
diff --git a/indra/newview/lltoastimpanel.h b/indra/newview/lltoastimpanel.h
index a803387576..3eb11fb3bc 100644
--- a/indra/newview/lltoastimpanel.h
+++ b/indra/newview/lltoastimpanel.h
@@ -41,18 +41,18 @@ public:
 	struct Params
 	{
 		LLNotificationPtr	notification;
-		LLUUID				avatar_id;
-		LLUUID				session_id;
-		std::string			from;
-		std::string			time;
-		std::string			message;
+		LLUUID				avatar_id,
+							session_id;
+		std::string			from,
+							time,
+							message;
 
 		Params() {}
 	};
 
 	LLToastIMPanel(LLToastIMPanel::Params &p);
 	virtual ~LLToastIMPanel();
-	/*virtual*/ BOOL 	handleMouseDown(S32 x, S32 y, MASK mask);
+	/*virtual*/ BOOL 	handleMouseUp(S32 x, S32 y, MASK mask);
 	/*virtual*/ BOOL	handleToolTip(S32 x, S32 y, MASK mask);
 private:
 	void showInspector();
diff --git a/indra/newview/lltoastnotifypanel.cpp b/indra/newview/lltoastnotifypanel.cpp
index 602b924398..d494d12903 100644
--- a/indra/newview/lltoastnotifypanel.cpp
+++ b/indra/newview/lltoastnotifypanel.cpp
@@ -40,11 +40,14 @@
 #include "lltrans.h"
 #include "llnotificationsutil.h"
 #include "llviewermessage.h"
-#include "llimfloater.h"
+#include "llfloaterimsession.h"
 
 const S32 BOTTOM_PAD = VPAD * 3;
 const S32 IGNORE_BTN_TOP_DELTA = 3*VPAD;//additional ignore_btn padding
 S32 BUTTON_WIDTH = 90;
+// *TODO: magic numbers(???) - copied from llnotify.cpp(250)
+const S32 MAX_LENGTH = 512 + 20 + DB_FIRST_NAME_BUF_SIZE + DB_LAST_NAME_BUF_SIZE + DB_INV_ITEM_NAME_BUF_SIZE; 
+
 
 //static
 const LLFontGL* LLToastNotifyPanel::sFont = NULL;
@@ -52,172 +55,12 @@ const LLFontGL* LLToastNotifyPanel::sFontSmall = NULL;
 
 LLToastNotifyPanel::button_click_signal_t LLToastNotifyPanel::sButtonClickSignal;
 
-LLToastNotifyPanel::LLToastNotifyPanel(const LLNotificationPtr& notification, const LLRect& rect, bool show_images) :
-LLToastPanel(notification),
-mTextBox(NULL),
-mInfoPanel(NULL),
-mControlPanel(NULL),
-mNumOptions(0),
-mNumButtons(0),
-mAddedDefaultBtn(false),
-mCloseNotificationOnDestroy(true)
+LLToastNotifyPanel::LLToastNotifyPanel(const LLNotificationPtr& notification, const LLRect& rect, bool show_images) 
+:	LLToastPanel(notification),
+	LLInstanceTracker<LLToastNotifyPanel, LLUUID>(notification->getID())
 {
-	buildFromFile( "panel_notification.xml");
-	if(rect != LLRect::null)
-	{
-		this->setShape(rect);
-	}		 
-	mInfoPanel = getChild<LLPanel>("info_panel");
-	mControlPanel = getChild<LLPanel>("control_panel");
-	BUTTON_WIDTH = gSavedSettings.getS32("ToastButtonWidth");
-	// customize panel's attributes
-	// is it intended for displaying a tip?
-	mIsTip = notification->getType() == "notifytip";
-	// is it a script dialog?
-	mIsScriptDialog = (notification->getName() == "ScriptDialog" || notification->getName() == "ScriptDialogGroup");
-	// is it a caution?
-	//
-	// caution flag can be set explicitly by specifying it in the notification payload, or it can be set implicitly if the
-	// notify xml template specifies that it is a caution
-	// tip-style notification handle 'caution' differently -they display the tip in a different color
-	mIsCaution = notification->getPriority() >= NOTIFICATION_PRIORITY_HIGH;
-
-	// setup parameters
-	// get a notification message
-	mMessage = notification->getMessage();
-	// init font variables
-	if (!sFont)
-	{
-		sFont = LLFontGL::getFontSansSerif();
-		sFontSmall = LLFontGL::getFontSansSerifSmall();
-	}
-	// initialize
-	setFocusRoot(!mIsTip);
-	// get a form for the notification
-	LLNotificationFormPtr form(notification->getForm());
-	// get number of elements
-	mNumOptions = form->getNumElements();
-
-	// customize panel's outfit
-	// preliminary adjust panel's layout
-	//move to the end 
-	//mIsTip ? adjustPanelForTipNotice() : adjustPanelForScriptNotice(form);
-
-	// adjust text options according to the notification type
-	// add a caution textbox at the top of a caution notification
-	if (mIsCaution && !mIsTip)
-	{
-		mTextBox = getChild<LLTextBox>("caution_text_box");
-	}
-	else
-	{
-		mTextBox = getChild<LLTextEditor>("text_editor_box"); 
-	}
-
-	// *TODO: magic numbers(???) - copied from llnotify.cpp(250)
-	const S32 MAX_LENGTH = 512 + 20 + DB_FIRST_NAME_BUF_SIZE + DB_LAST_NAME_BUF_SIZE + DB_INV_ITEM_NAME_BUF_SIZE; 
-
-	mTextBox->setMaxTextLength(MAX_LENGTH);
-	mTextBox->setVisible(TRUE);
-	mTextBox->setPlainText(!show_images);
-	mTextBox->setValue(notification->getMessage());
-
-	// add buttons for a script notification
-	if (mIsTip)
-	{
-		adjustPanelForTipNotice();
-	}
-	else
-	{
-		std::vector<index_button_pair_t> buttons;
-		buttons.reserve(mNumOptions);
-		S32 buttons_width = 0;
-		// create all buttons and accumulate they total width to reshape mControlPanel
-		for (S32 i = 0; i < mNumOptions; i++)
-		{
-			LLSD form_element = form->getElement(i);
-			if (form_element["type"].asString() != "button")
-			{
-				// not a button.
-				continue;
-			}
-			if (form_element["name"].asString() == TEXTBOX_MAGIC_TOKEN)
-			{
-				// a textbox pretending to be a button.
-				continue;
-			}
-			LLButton* new_button = createButton(form_element, TRUE);
-			buttons_width += new_button->getRect().getWidth();
-			S32 index = form_element["index"].asInteger();
-			buttons.push_back(index_button_pair_t(index,new_button));
-		}
-		if (buttons.empty())
-		{
-			addDefaultButton();
-		}
-		else
-		{
-			const S32 button_panel_width = mControlPanel->getRect().getWidth();// do not change width of the panel
-			S32 button_panel_height = mControlPanel->getRect().getHeight();
-			//try get an average h_pad to spread out buttons
-			S32 h_pad = (button_panel_width - buttons_width) / (S32(buttons.size()));
-			if(h_pad < 2*HPAD)
-			{
-				/*
-				 * Probably it is a scriptdialog toast
-				 * for a scriptdialog toast h_pad can be < 2*HPAD if we have a lot of buttons.
-				 * In last case set default h_pad to avoid heaping of buttons 
-				 */
-				S32 button_per_row = button_panel_width / BUTTON_WIDTH;
-				h_pad = (button_panel_width % BUTTON_WIDTH) / (button_per_row - 1);// -1  because we do not need space after last button in a row   
-				if(h_pad < 2*HPAD) // still not enough space between buttons ?
-				{
-					h_pad = 2*HPAD;
-				}
-			}
-			if (mIsScriptDialog)
-			{
-				// we are using default width for script buttons so we can determinate button_rows
-				//to get a number of rows we divide the required width of the buttons to button_panel_width
-				S32 button_rows = llceil(F32(buttons.size() - 1) * (BUTTON_WIDTH + h_pad) / button_panel_width);
-				//S32 button_rows = (buttons.size() - 1) * (BUTTON_WIDTH + h_pad) / button_panel_width;
-				//reserve one row for the ignore_btn
-				button_rows++;
-				//calculate required panel height for scripdialog notification.
-				button_panel_height = button_rows * (BTN_HEIGHT + VPAD)	+ IGNORE_BTN_TOP_DELTA + BOTTOM_PAD;
-			}
-			else
-			{
-				// in common case buttons can have different widths so we need to calculate button_rows according to buttons_width
-				//S32 button_rows = llceil(F32(buttons.size()) * (buttons_width + h_pad) / button_panel_width);
-				S32 button_rows = llceil(F32((buttons.size() - 1) * h_pad + buttons_width) / button_panel_width);
-				//calculate required panel height 
-				button_panel_height = button_rows * (BTN_HEIGHT + VPAD)	+ BOTTOM_PAD;
-			}
-		
-			// we need to keep min width and max height to make visible all buttons, because width of the toast can not be changed
-			adjustPanelForScriptNotice(button_panel_width, button_panel_height);
-			updateButtonsLayout(buttons, h_pad);
-			// save buttons for later use in disableButtons()
-			mButtons.assign(buttons.begin(), buttons.end());
-		}
+	init(rect, show_images);
 	}
-	// adjust panel's height to the text size
-	mInfoPanel->setFollowsAll();
-	snapToMessageHeight(mTextBox, MAX_LENGTH);
-
-	if(notification->isReusable())
-	{
-		mButtonClickConnection = sButtonClickSignal.connect(
-			boost::bind(&LLToastNotifyPanel::onToastPanelButtonClicked, this, _1, _2));
-
-		if(notification->isRespondedTo())
-		{
-			// User selected an option in toast, now disable required buttons in IM window
-			disableRespondedOptions(notification);
-		}
-	}
-}
 void LLToastNotifyPanel::addDefaultButton()
 {
 	LLSD form_element;
@@ -235,7 +78,6 @@ void LLToastNotifyPanel::addDefaultButton()
 }
 LLButton* LLToastNotifyPanel::createButton(const LLSD& form_element, BOOL is_option)
 {
-
 	InstanceAndS32* userdata = new InstanceAndS32;
 	userdata->mSelf = this;
 	userdata->mButtonName = is_option ? form_element["name"].asString() : "";
@@ -245,14 +87,15 @@ LLButton* LLToastNotifyPanel::createButton(const LLSD& form_element, BOOL is_opt
 	LLButton::Params p;
 	bool make_small_btn = form_element["index"].asInteger() == -1 || form_element["index"].asInteger() == -2;
 	const LLFontGL* font = make_small_btn ? sFontSmall: sFont; // for block and ignore buttons in script dialog
-	p.name(form_element["name"].asString());
-	p.label(form_element["text"].asString());
-	p.font(font);
+	p.name = form_element["name"].asString();
+	p.label = form_element["text"].asString();
+	p.font = font;
 	p.rect.height = BTN_HEIGHT;
 	p.click_callback.function(boost::bind(&LLToastNotifyPanel::onClickButton, userdata));
 	p.rect.width = BUTTON_WIDTH;
 	p.auto_resize = false;
 	p.follows.flags(FOLLOWS_LEFT | FOLLOWS_BOTTOM);
+	p.enabled = !form_element.has("enabled") || form_element["enabled"].asBoolean();
 	if (mIsCaution)
 	{
 		p.image_color(LLUIColorTable::instance().getColor("ButtonCautionImageColor"));
@@ -287,16 +130,11 @@ LLToastNotifyPanel::~LLToastNotifyPanel()
 	mButtonClickConnection.disconnect();
 
 	std::for_each(mBtnCallbackData.begin(), mBtnCallbackData.end(), DeletePointer());
-	if (mCloseNotificationOnDestroy && LLNotificationsUtil::find(mNotification->getID()) != NULL)
-	{
-		// let reusable notification be deleted
-		mNotification->setReusable(false);
-		if (!mNotification->isPersistent())
+	if (mIsTip)
 		{
 			LLNotifications::getInstance()->cancel(mNotification);
 		}
 	}
-}
 
 void LLToastNotifyPanel::updateButtonsLayout(const std::vector<index_button_pair_t>& buttons, S32 h_pad)
 {
@@ -385,210 +223,376 @@ void LLToastNotifyPanel::adjustPanelForTipNotice()
 	}
 }
 
-typedef std::set<std::string> button_name_set_t;
-typedef std::map<std::string, button_name_set_t> disable_button_map_t;
+//typedef std::set<std::string> button_name_set_t;
+//typedef std::map<std::string, button_name_set_t> disable_button_map_t;
+//
+//disable_button_map_t initUserGiveItemDisableButtonMap()
+//{
+//	// see EXT-5905 for disable rules
+//
+//	disable_button_map_t disable_map;
+//	button_name_set_t buttons;
+//
+//	buttons.insert("Show");
+//	disable_map.insert(std::make_pair("Show", buttons));
+//
+//	buttons.insert("Discard");
+//	disable_map.insert(std::make_pair("Discard", buttons));
+//
+//	buttons.insert("Mute");
+//	disable_map.insert(std::make_pair("Mute", buttons));
+//
+//	return disable_map;
+//}
+//
+//disable_button_map_t initTeleportOfferedDisableButtonMap()
+//{
+//	disable_button_map_t disable_map;
+//	button_name_set_t buttons;
+//
+//	buttons.insert("Teleport");
+//	buttons.insert("Cancel");
+//
+//	disable_map.insert(std::make_pair("Teleport", buttons));
+//	disable_map.insert(std::make_pair("Cancel", buttons));
+//
+//	return disable_map;
+//}
+//
+//disable_button_map_t initFriendshipOfferedDisableButtonMap()
+//{
+//	disable_button_map_t disable_map;
+//	button_name_set_t buttons;
+//
+//	buttons.insert("Accept");
+//	buttons.insert("Decline");
+//
+//	disable_map.insert(std::make_pair("Accept", buttons));
+//	disable_map.insert(std::make_pair("Decline", buttons));
+//
+//	return disable_map;
+//}
+//
+//button_name_set_t getButtonDisableList(const std::string& notification_name, const std::string& button_name)
+//{
+//	static disable_button_map_t user_give_item_disable_map = initUserGiveItemDisableButtonMap();
+//	static disable_button_map_t teleport_offered_disable_map = initTeleportOfferedDisableButtonMap();
+//	static disable_button_map_t friendship_offered_disable_map = initFriendshipOfferedDisableButtonMap();
+//
+//	disable_button_map_t::const_iterator it;
+//	disable_button_map_t::const_iterator it_end;
+//	disable_button_map_t search_map;
+//
+//	if("UserGiveItem" == notification_name)
+//	{
+//		search_map = user_give_item_disable_map;
+//	}
+//	else if("TeleportOffered" == notification_name)
+//	{
+//		search_map = teleport_offered_disable_map;
+//	}
+//	else if("OfferFriendship" == notification_name)
+//	{
+//		search_map = friendship_offered_disable_map;
+//	}
+//
+//	it = search_map.find(button_name);
+//	it_end = search_map.end();
+//
+//	if(it_end != it)
+//	{
+//		return it->second;
+//	}
+//	return button_name_set_t();
+//}
+
+//void LLToastNotifyPanel::disableButtons(const std::string& notification_name, const std::string& selected_button)
+//{
+	//button_name_set_t buttons = getButtonDisableList(notification_name, selected_button);
+
+	//std::vector<index_button_pair_t>::const_iterator it = mButtons.begin();
+	//for ( ; it != mButtons.end(); it++)
+	//{
+	//	LLButton* btn = it->second;
+	//	if(buttons.find(btn->getName()) != buttons.end())
+	//	{
+	//		btn->setEnabled(FALSE);
+	//	}
+	//}
+//}
 
-disable_button_map_t initUserGiveItemDisableButtonMap()
+// static
+void LLToastNotifyPanel::onClickButton(void* data)
 {
-	// see EXT-5905 for disable rules
-
-	disable_button_map_t disable_map;
-	button_name_set_t buttons;
-
-	buttons.insert("Show");
-	disable_map.insert(std::make_pair("Show", buttons));
+	InstanceAndS32* self_and_button = (InstanceAndS32*)data;
+	LLToastNotifyPanel* self = self_and_button->mSelf;
+	std::string button_name = self_and_button->mButtonName;
 
-	buttons.insert("Discard");
-	disable_map.insert(std::make_pair("Discard", buttons));
+	LLSD response = self->mNotification->getResponseTemplate();
+	if (!self->mAddedDefaultBtn && !button_name.empty())
+	{
+		response[button_name] = true;
+	}
 
-	buttons.insert("Mute");
-	disable_map.insert(std::make_pair("Mute", buttons));
+	// disable all buttons
+	self->mControlPanel->setEnabled(FALSE);
 
-	return disable_map;
+	// this might repost notification with new form data/enabled buttons
+	self->mNotification->respond(response);
 }
 
-disable_button_map_t initTeleportOfferedDisableButtonMap()
+void LLToastNotifyPanel::init( LLRect rect, bool show_images )
 {
-	disable_button_map_t disable_map;
-	button_name_set_t buttons;
-
-	buttons.insert("Teleport");
-	buttons.insert("Cancel");
+    deleteAllChildren();
+
+    mTextBox = NULL;
+    mInfoPanel = NULL;
+    mControlPanel = NULL;
+    mNumOptions = 0;
+    mNumButtons = 0;
+    mAddedDefaultBtn = false;
+
+    buildFromFile( "panel_notification.xml");
+    if(rect != LLRect::null)
+    {
+        this->setShape(rect);
+    }		 
+    mInfoPanel = getChild<LLPanel>("info_panel");
+    mInfoPanel->setFollowsAll();
+
+    mControlPanel = getChild<LLPanel>("control_panel");
+    BUTTON_WIDTH = gSavedSettings.getS32("ToastButtonWidth");
+    // customize panel's attributes
+    // is it intended for displaying a tip?
+    mIsTip = mNotification->getType() == "notifytip";
+    // is it a script dialog?
+    mIsScriptDialog = (mNotification->getName() == "ScriptDialog" || mNotification->getName() == "ScriptDialogGroup");
+    // is it a caution?
+    //
+    // caution flag can be set explicitly by specifying it in the notification payload, or it can be set implicitly if the
+    // notify xml template specifies that it is a caution
+    // tip-style notification handle 'caution' differently -they display the tip in a different color
+    mIsCaution = mNotification->getPriority() >= NOTIFICATION_PRIORITY_HIGH;
+
+    // setup parameters
+    // get a notification message
+    mMessage = mNotification->getMessage();
+    // init font variables
+    if (!sFont)
+    {
+        sFont = LLFontGL::getFontSansSerif();
+        sFontSmall = LLFontGL::getFontSansSerifSmall();
+    }
+    // initialize
+    setFocusRoot(!mIsTip);
+    // get a form for the notification
+    LLNotificationFormPtr form(mNotification->getForm());
+    // get number of elements
+    mNumOptions = form->getNumElements();
+
+    // customize panel's outfit
+    // preliminary adjust panel's layout
+    //move to the end 
+    //mIsTip ? adjustPanelForTipNotice() : adjustPanelForScriptNotice(form);
+
+    // adjust text options according to the notification type
+    // add a caution textbox at the top of a caution notification
+    if (mIsCaution && !mIsTip)
+    {
+        mTextBox = getChild<LLTextBox>("caution_text_box");
+    }
+    else
+    {
+        mTextBox = getChild<LLTextEditor>("text_editor_box"); 
+    }
+
+    mTextBox->setMaxTextLength(MAX_LENGTH);
+    mTextBox->setVisible(TRUE);
+    mTextBox->setPlainText(!show_images);
+    mTextBox->setValue(mNotification->getMessage());
+
+    // add buttons for a script notification
+    if (mIsTip)
+    {
+        adjustPanelForTipNotice();
+    }
+    else
+    {
+        std::vector<index_button_pair_t> buttons;
+        buttons.reserve(mNumOptions);
+        S32 buttons_width = 0;
+        // create all buttons and accumulate they total width to reshape mControlPanel
+        for (S32 i = 0; i < mNumOptions; i++)
+        {
+            LLSD form_element = form->getElement(i);
+            if (form_element["type"].asString() != "button")
+            {
+                // not a button.
+                continue;
+            }
+            if (form_element["name"].asString() == TEXTBOX_MAGIC_TOKEN)
+            {
+                // a textbox pretending to be a button.
+                continue;
+            }
+            LLButton* new_button = createButton(form_element, TRUE);
+            buttons_width += new_button->getRect().getWidth();
+            S32 index = form_element["index"].asInteger();
+            buttons.push_back(index_button_pair_t(index,new_button));
+        }
+        if (buttons.empty())
+        {
+            addDefaultButton();
+        }
+        else
+        {
+            const S32 button_panel_width = mControlPanel->getRect().getWidth();// do not change width of the panel
+            S32 button_panel_height = mControlPanel->getRect().getHeight();
+            //try get an average h_pad to spread out buttons
+            S32 h_pad = (button_panel_width - buttons_width) / (S32(buttons.size()));
+            if(h_pad < 2*HPAD)
+            {
+                /*
+                * Probably it is a scriptdialog toast
+                * for a scriptdialog toast h_pad can be < 2*HPAD if we have a lot of buttons.
+                * In last case set default h_pad to avoid heaping of buttons 
+                */
+                S32 button_per_row = button_panel_width / BUTTON_WIDTH;
+                h_pad = (button_panel_width % BUTTON_WIDTH) / (button_per_row - 1);// -1  because we do not need space after last button in a row   
+                if(h_pad < 2*HPAD) // still not enough space between buttons ?
+                {
+                    h_pad = 2*HPAD;
+                }
+            }
+            if (mIsScriptDialog)
+            {
+                // we are using default width for script buttons so we can determinate button_rows
+                //to get a number of rows we divide the required width of the buttons to button_panel_width
+                S32 button_rows = llceil(F32(buttons.size() - 1) * (BUTTON_WIDTH + h_pad) / button_panel_width);
+                //S32 button_rows = (buttons.size() - 1) * (BUTTON_WIDTH + h_pad) / button_panel_width;
+                //reserve one row for the ignore_btn
+                button_rows++;
+                //calculate required panel height for scripdialog notification.
+                button_panel_height = button_rows * (BTN_HEIGHT + VPAD)	+ IGNORE_BTN_TOP_DELTA + BOTTOM_PAD;
+            }
+            else
+            {
+                // in common case buttons can have different widths so we need to calculate button_rows according to buttons_width
+                //S32 button_rows = llceil(F32(buttons.size()) * (buttons_width + h_pad) / button_panel_width);
+                S32 button_rows = llceil(F32((buttons.size() - 1) * h_pad + buttons_width) / button_panel_width);
+                //calculate required panel height 
+                button_panel_height = button_rows * (BTN_HEIGHT + VPAD)	+ BOTTOM_PAD;
+            }
+
+            // we need to keep min width and max height to make visible all buttons, because width of the toast can not be changed
+            adjustPanelForScriptNotice(button_panel_width, button_panel_height);
+            updateButtonsLayout(buttons, h_pad);
+            // save buttons for later use in disableButtons()
+            //mButtons.assign(buttons.begin(), buttons.end());
+        }
+    }
+    // adjust panel's height to the text size
+    snapToMessageHeight(mTextBox, MAX_LENGTH);
 
-	disable_map.insert(std::make_pair("Teleport", buttons));
-	disable_map.insert(std::make_pair("Cancel", buttons));
 
-	return disable_map;
 }
 
-disable_button_map_t initFriendshipOfferedDisableButtonMap()
-{
-	disable_button_map_t disable_map;
-	button_name_set_t buttons;
-
-	buttons.insert("Accept");
-	buttons.insert("Decline");
 
-	disable_map.insert(std::make_pair("Accept", buttons));
-	disable_map.insert(std::make_pair("Decline", buttons));
 
-	return disable_map;
-}
+//void LLToastNotifyPanel::onToastPanelButtonClicked(const LLUUID& notification_id, const std::string btn_name)
+//{
+//	if(mNotification->getID() == notification_id)
+//	{
+//		disableButtons(mNotification->getName(), btn_name);
+//	}
+//}
 
-button_name_set_t getButtonDisableList(const std::string& notification_name, const std::string& button_name)
-{
-	static disable_button_map_t user_give_item_disable_map = initUserGiveItemDisableButtonMap();
-	static disable_button_map_t teleport_offered_disable_map = initTeleportOfferedDisableButtonMap();
-	static disable_button_map_t friendship_offered_disable_map = initFriendshipOfferedDisableButtonMap();
+//void LLToastNotifyPanel::disableRespondedOptions(const LLNotificationPtr& notification)
+//{
+//	LLSD response = notification->getResponse();
+//	for (LLSD::map_const_iterator response_it = response.beginMap(); 
+//		response_it != response.endMap(); ++response_it)
+//	{
+//		if (response_it->second.isBoolean() && response_it->second.asBoolean())
+//		{
+//			// that after multiple responses there can be many pressed buttons
+//			// need to process them all
+//			disableButtons(notification->getName(), response_it->first);
+//		}
+//	}
+//}
 
-	disable_button_map_t::const_iterator it;
-	disable_button_map_t::const_iterator it_end;
-	disable_button_map_t search_map;
 
-	if("UserGiveItem" == notification_name)
-	{
-		search_map = user_give_item_disable_map;
-	}
-	else if(("TeleportOffered" == notification_name) || ("TeleportOffered_MaturityExceeded" == notification_name))
-	{
-		search_map = teleport_offered_disable_map;
-	}
-	else if("OfferFriendship" == notification_name)
-	{
-		search_map = friendship_offered_disable_map;
-	}
-
-	it = search_map.find(button_name);
-	it_end = search_map.end();
-
-	if(it_end != it)
-	{
-		return it->second;
-	}
-	return button_name_set_t();
-}
+//////////////////////////////////////////////////////////////////////////
 
-void LLToastNotifyPanel::disableButtons(const std::string& notification_name, const std::string& selected_button)
+LLIMToastNotifyPanel::LLIMToastNotifyPanel(LLNotificationPtr& pNotification, const LLUUID& session_id, const LLRect& rect /* = LLRect::null */,
+										   bool show_images /* = true */, LLTextBase* parent_text)
+:	mSessionID(session_id), LLToastNotifyPanel(pNotification, rect, show_images),
+	mParentText(parent_text)
 {
-	button_name_set_t buttons = getButtonDisableList(notification_name, selected_button);
-
-	std::vector<index_button_pair_t>::const_iterator it = mButtons.begin();
-	for ( ; it != mButtons.end(); it++)
-	{
-		LLButton* btn = it->second;
-		if(buttons.find(btn->getName()) != buttons.end())
-		{
-			btn->setEnabled(FALSE);
-		}
-	}
+	compactButtons();
 }
 
-// static
-void LLToastNotifyPanel::onClickButton(void* data)
+LLIMToastNotifyPanel::~LLIMToastNotifyPanel()
 {
-	InstanceAndS32* self_and_button = (InstanceAndS32*)data;
-	LLToastNotifyPanel* self = self_and_button->mSelf;
-	std::string button_name = self_and_button->mButtonName;
+}
 
-	LLSD response = self->mNotification->getResponseTemplate();
-	if (!self->mAddedDefaultBtn && !button_name.empty())
-	{
-		response[button_name] = true;
-	}
-	
-	bool is_reusable = self->mNotification->isReusable();
-	// When we call respond(), LLOfferInfo will delete itself in inventory_offer_callback(), 
-	// lets copy it while it's still valid.
-	LLOfferInfo* old_info = static_cast<LLOfferInfo*>(self->mNotification->getResponder());
-	LLOfferInfo* new_info = NULL;
-	if(is_reusable && old_info)
+void LLIMToastNotifyPanel::reshape(S32 width, S32 height, BOOL called_from_parent /* = TRUE */)
 	{
-		new_info = new LLOfferInfo(*old_info);
-		self->mNotification->setResponder(new_info);
-	}
-
-	self->mNotification->respond(response);
+	LLToastPanel::reshape(width, height, called_from_parent);
 
-	if(is_reusable)
-	{
-		sButtonClickSignal(self->mNotification->getID(), button_name);
-	}
-	else
-	{
-		// disable all buttons
-		self->mControlPanel->setEnabled(FALSE);
+	snapToMessageHeight(mTextBox, MAX_LENGTH);
 	}
-}
 
-void LLToastNotifyPanel::onToastPanelButtonClicked(const LLUUID& notification_id, const std::string btn_name)
+void LLIMToastNotifyPanel::compactButtons()
 {
-	if(mNotification->getID() == notification_id)
-	{
-		disableButtons(mNotification->getName(), btn_name);
-	}
-}
+	mTextBox->setFollowsAll();
 
-void LLToastNotifyPanel::disableRespondedOptions(const LLNotificationPtr& notification)
-{
-	LLSD response = notification->getResponse();
-	for (LLSD::map_const_iterator response_it = response.beginMap(); 
-		response_it != response.endMap(); ++response_it)
+	//we can't set follows in xml since it broke toasts behavior
+	setFollows(FOLLOWS_LEFT|FOLLOWS_RIGHT|FOLLOWS_TOP);
+
+	const child_list_t* children = getControlPanel()->getChildList();
+	S32 offset = 0;
+	// Children were added by addChild() which uses push_front to insert them into list,
+	// so to get buttons in correct order reverse iterator is used (EXT-5906) 
+	for (child_list_t::const_reverse_iterator it = children->rbegin(); it != children->rend(); it++)
 	{
-		if (response_it->second.isBoolean() && response_it->second.asBoolean())
+		LLButton * button = dynamic_cast<LLButton*> (*it);
+		if (button != NULL)
 		{
-			// that after multiple responses there can be many pressed buttons
-			// need to process them all
-			disableButtons(notification->getName(), response_it->first);
+			button->setOrigin( offset,button->getRect().mBottom);
+			button->setLeftHPad(2 * HPAD);
+			button->setRightHPad(2 * HPAD);
+			// set zero width before perform autoResize()
+			button->setRect(LLRect(button->getRect().mLeft,
+				button->getRect().mTop, 
+				button->getRect().mLeft,
+				button->getRect().mBottom));
+			button->setAutoResize(true);
+			button->autoResize();
+			offset += HPAD + button->getRect().getWidth();
+			button->setFollowsNone();
 		}
 	}
-}
-
-
-//////////////////////////////////////////////////////////////////////////
 
-LLIMToastNotifyPanel::LLIMToastNotifyPanel(LLNotificationPtr& pNotification, const LLUUID& session_id, const LLRect& rect /* = LLRect::null */,
-										   bool show_images /* = true */)
- : mSessionID(session_id), LLToastNotifyPanel(pNotification, rect, show_images)
-{
-	mTextBox->setFollowsAll();
+	if (mParentText)
+	{
+		mParentText->needsReflow();
+	}
 }
 
-LLIMToastNotifyPanel::~LLIMToastNotifyPanel()
-{
-	// We shouldn't delete notification when IM floater exists
-	// since that notification will be reused by IM floater.
-	// This may happened when IM floater reloads messages, exactly when user
-	// changes layout of IM chat log(disable/enable plaintext mode).
-	// See EXT-6500
-	LLIMFloater* im_floater = LLIMFloater::findInstance(mSessionID);
-	if (im_floater != NULL && !im_floater->isDead())
+void LLIMToastNotifyPanel::updateNotification()
 	{
-		mCloseNotificationOnDestroy = false;
+	init(LLRect(), true);
 	}
-}
 
-void LLIMToastNotifyPanel::reshape(S32 width, S32 height, BOOL called_from_parent /* = TRUE */)
+void LLIMToastNotifyPanel::init( LLRect rect, bool show_images )
 {
-	S32 text_height = mTextBox->getTextBoundingRect().getHeight();
-	S32 widget_height = mTextBox->getRect().getHeight();
-	S32 delta = text_height - widget_height;
-	LLRect rc = getRect();
-
-	rc.setLeftTopAndSize(rc.mLeft, rc.mTop, width, height + delta);
-	height = rc.getHeight();
-	width = rc.getWidth();
+	LLToastNotifyPanel::init(LLRect(), show_images);
 
-	bool is_width_changed = width != getRect().getWidth();
-
-	LLToastPanel::reshape(width, height, called_from_parent);
-
-	// Notification height required to display the text message depends on
-	// the width of the text box thus if panel width is changed the text box
-	// width is also changed then reshape() is called to adjust proper height.
-	if (is_width_changed)
-	{
-		reshape(width, height, called_from_parent);
-	}
+	compactButtons();
 }
 
+
 // EOF
+
diff --git a/indra/newview/lltoastnotifypanel.h b/indra/newview/lltoastnotifypanel.h
index db517ec858..f93c7745af 100644
--- a/indra/newview/lltoastnotifypanel.h
+++ b/indra/newview/lltoastnotifypanel.h
@@ -47,7 +47,7 @@ class LLNotificationForm;
  * @deprecated this class will be removed after all toast panel types are
  *  implemented in separate classes.
  */
-class LLToastNotifyPanel: public LLToastPanel 
+class LLToastNotifyPanel: public LLToastPanel, public LLInstanceTracker<LLToastNotifyPanel, LLUUID>
 {
 public:
 	/**
@@ -61,10 +61,14 @@ public:
 	 * implement right class for desired toast panel. @see LLGenericTipPanel as example.
 	 */
 	LLToastNotifyPanel(const LLNotificationPtr& pNotification, const LLRect& rect = LLRect::null, bool show_images = true);
+
+	virtual void init( LLRect rect, bool show_images );
+
 	virtual ~LLToastNotifyPanel();
 	LLPanel * getControlPanel() { return mControlPanel; }
 
-	void setCloseNotificationOnDestroy(bool close) { mCloseNotificationOnDestroy = close; }
+	virtual void updateNotification() {}
+
 protected:
 	LLButton* createButton(const LLSD& form_element, BOOL is_option);
 
@@ -76,8 +80,6 @@ protected:
 	};
 	std::vector<InstanceAndS32*> mBtnCallbackData;
 
-	bool mCloseNotificationOnDestroy;
-
 	typedef std::pair<int,LLButton*> index_button_pair_t; 
 	void adjustPanelForScriptNotice(S32 max_width, S32 max_height);
 	void adjustPanelForTipNotice();
@@ -93,9 +95,9 @@ protected:
 	/**
 	 * Disable specific button(s) based on notification name and clicked button
 	 */
-	void disableButtons(const std::string& notification_name, const std::string& selected_button);
+	//void disableButtons(const std::string& notification_name, const std::string& selected_button);
 
-	std::vector<index_button_pair_t> mButtons;
+	//std::vector<index_button_pair_t> mButtons;
 
 	// panel elements
 	LLTextBase*		mTextBox;
@@ -118,7 +120,7 @@ protected:
 	/**
 	 * Process response data. Will disable selected options
 	 */
-	void disableRespondedOptions(const LLNotificationPtr& notification);
+	//void disableRespondedOptions(const LLNotificationPtr& notification);
 
 	bool mIsTip;
 	bool mAddedDefaultBtn;
@@ -137,13 +139,23 @@ class LLIMToastNotifyPanel : public LLToastNotifyPanel
 {
 public:
 
-	LLIMToastNotifyPanel(LLNotificationPtr& pNotification, const LLUUID& session_id, const LLRect& rect = LLRect::null, bool show_images = true);
+	LLIMToastNotifyPanel(LLNotificationPtr& pNotification, 
+						const LLUUID& session_id, 
+						const LLRect& rect = LLRect::null, 
+						bool show_images = true, 
+						LLTextBase* parent_text = NULL);
+
+	void compactButtons();
+
+	virtual void updateNotification();
+	virtual void init( LLRect rect, bool show_images );
 
 	~LLIMToastNotifyPanel();
 
 	/*virtual*/ void reshape(S32 width, S32 height, BOOL called_from_parent = TRUE);
 
 protected:
+	LLTextBase* mParentText;
 	LLUUID	mSessionID;
 };
 
diff --git a/indra/newview/lltoastpanel.cpp b/indra/newview/lltoastpanel.cpp
index c33fde99c5..187aee207c 100644
--- a/indra/newview/lltoastpanel.cpp
+++ b/indra/newview/lltoastpanel.cpp
@@ -70,7 +70,7 @@ void LLToastPanel::snapToMessageHeight(LLTextBase* message, S32 maxLineCount)
 	if (message->getVisible())
 	{
 		S32 heightDelta = 0;
-		S32 maxTextHeight = message->getDefaultFont()->getLineHeight() * maxLineCount;
+		S32 maxTextHeight = message->getFont()->getLineHeight() * maxLineCount;
 
 		LLRect messageRect = message->getRect();
 		S32 oldTextHeight = messageRect.getHeight();
@@ -80,11 +80,14 @@ void LLToastPanel::snapToMessageHeight(LLTextBase* message, S32 maxLineCount)
 		S32 requiredTextHeight = message->getTextBoundingRect().getHeight();
 		S32 newTextHeight = llmin(requiredTextHeight, maxTextHeight);
 
-		//Calculate last delta height deducting previous heightDelta 
-		heightDelta = newTextHeight - oldTextHeight - heightDelta;
+		heightDelta = newTextHeight - oldTextHeight;
+		S32 new_panel_height = llmax(getRect().getHeight() + heightDelta, MIN_PANEL_HEIGHT);
 
 		//reshape the panel with new height
-		reshape( getRect().getWidth(), llmax(getRect().getHeight() + heightDelta, MIN_PANEL_HEIGHT));
+		if (new_panel_height != getRect().getHeight())
+		{
+			reshape( getRect().getWidth(), new_panel_height);
+		}
 	}
 }
 
@@ -98,7 +101,7 @@ LLToastPanel* LLToastPanel::buidPanelFromNotification(
 	if ("notifytip" == notification->getType())
 	{
 		// if it is online/offline notification
-		if ("FriendOffline" == notification->getName() || "FriendOnline" == notification->getName())
+		if ("FriendOnlineOffline" == notification->getName())
 		{
 			res = new LLPanelOnlineStatus(notification);
 		}
diff --git a/indra/newview/lltoastpanel.h b/indra/newview/lltoastpanel.h
index 346e014d73..c22557206b 100644
--- a/indra/newview/lltoastpanel.h
+++ b/indra/newview/lltoastpanel.h
@@ -33,19 +33,13 @@
 
 #include <string>
 
-class LLToastPanelBase: public LLPanel 
-{
-public:
-	virtual void init(LLSD& data){};
-};
-
 /**
  * Base class for all panels that can be added to the toast.
  * All toast panels should contain necessary logic for representing certain notification
  * but shouldn't contain logic related to this panel lifetime control and positioning
  * on the parent view.
  */
-class LLToastPanel: public LLPanel {
+class LLToastPanel : public LLPanel {
 public:
 	LLToastPanel(const LLNotificationPtr&);
 	virtual ~LLToastPanel() = 0;
diff --git a/indra/newview/lltoastscriptquestion.cpp b/indra/newview/lltoastscriptquestion.cpp
index feeb8ca77b..91ba8c0247 100644
--- a/indra/newview/lltoastscriptquestion.cpp
+++ b/indra/newview/lltoastscriptquestion.cpp
@@ -66,8 +66,8 @@ void LLToastScriptQuestion::snapToMessageHeight()
 	if (mMessage->getVisible() && mFooter->getVisible())
 	{
 		S32 heightDelta = 0;
-		S32 maxTextHeight = (mMessage->getDefaultFont()->getLineHeight() * MAX_LINES_COUNT)
-						  + (mFooter->getDefaultFont()->getLineHeight() * MAX_LINES_COUNT);
+		S32 maxTextHeight = (mMessage->getFont()->getLineHeight() * MAX_LINES_COUNT)
+						  + (mFooter->getFont()->getLineHeight() * MAX_LINES_COUNT);
 
 		LLRect messageRect = mMessage->getRect();
 		LLRect footerRect  = mFooter->getRect();
diff --git a/indra/newview/lltoastscripttextbox.cpp b/indra/newview/lltoastscripttextbox.cpp
index 2529ec865a..45fbabad59 100644
--- a/indra/newview/lltoastscripttextbox.cpp
+++ b/indra/newview/lltoastscripttextbox.cpp
@@ -65,7 +65,7 @@ LLToastScriptTextbox::LLToastScriptTextbox(const LLNotificationPtr& notification
 	pMessageText->clear();
 
 	LLStyle::Params style;
-	style.font = pMessageText->getDefaultFont();
+	style.font = pMessageText->getFont();
 	pMessageText->appendText(message, TRUE, style);
 
 	//submit button
diff --git a/indra/newview/lltoastscripttextbox.h b/indra/newview/lltoastscripttextbox.h
index 8e69d8834d..7d33446248 100644
--- a/indra/newview/lltoastscripttextbox.h
+++ b/indra/newview/lltoastscripttextbox.h
@@ -39,8 +39,6 @@ class LLToastScriptTextbox
 public:
 	void close();
 
-	static bool onNewNotification(const LLSD& notification);
-
 	// Non-transient messages.  You can specify non-default button
 	// layouts (like one for script dialogs) by passing various
 	// numbers in for "layout".
diff --git a/indra/newview/lltoolbarview.cpp b/indra/newview/lltoolbarview.cpp
index 81ad96f39e..2b5acdc1e8 100644
--- a/indra/newview/lltoolbarview.cpp
+++ b/indra/newview/lltoolbarview.cpp
@@ -603,7 +603,7 @@ BOOL LLToolBarView::handleDragTool( S32 x, S32 y, const LLUUID& uuid, LLAssetTyp
 BOOL LLToolBarView::handleDropTool( void* cargo_data, S32 x, S32 y, LLToolBar* toolbar)
 {
 	BOOL handled = FALSE;
-	LLInventoryItem* inv_item = (LLInventoryItem*)cargo_data;
+	LLInventoryObject* inv_item = static_cast<LLInventoryObject*>(cargo_data);
 	
 	LLAssetType::EType type = inv_item->getType();
 	if (type == LLAssetType::AT_WIDGET)
diff --git a/indra/newview/lltooldraganddrop.cpp b/indra/newview/lltooldraganddrop.cpp
index c69999981c..94c97158a8 100644
--- a/indra/newview/lltooldraganddrop.cpp
+++ b/indra/newview/lltooldraganddrop.cpp
@@ -58,7 +58,6 @@
 #include "llviewerwindow.h"
 #include "llvoavatarself.h"
 #include "llworld.h"
-#include "llclipboard.h"
 
 // syntactic sugar
 #define callMemberFunction(object,ptrToMember)  ((object).*(ptrToMember))
@@ -654,33 +653,41 @@ void LLToolDragAndDrop::dragOrDrop( S32 x, S32 y, MASK mask, BOOL drop,
 		sOperationId++;
 	}
 
+	// For people drag and drop we don't need an actual inventory object,
+	// instead we need the current cargo id, which should be a person id.
+	bool is_uuid_dragged = (mSource == SOURCE_PEOPLE);
+
 	if (top_view)
 	{
 		handled = TRUE;
 
 		for (mCurItemIndex = 0; mCurItemIndex < (S32)mCargoIDs.size(); mCurItemIndex++)
 		{
-			LLInventoryObject* cargo = locateInventory(item, cat);
+			S32 local_x, local_y;
+			top_view->screenPointToLocal( x, y, &local_x, &local_y );
+			EAcceptance item_acceptance = ACCEPT_NO;
 
+			LLInventoryObject* cargo = locateInventory(item, cat);
 			if (cargo)
 			{
-				S32 local_x, local_y;
-				top_view->screenPointToLocal( x, y, &local_x, &local_y );
-				EAcceptance item_acceptance = ACCEPT_NO;
 				handled = handled && top_view->handleDragAndDrop(local_x, local_y, mask, FALSE,
 													mCargoTypes[mCurItemIndex],
 													(void*)cargo,
 													&item_acceptance,
 													mToolTipMsg);
-				if (handled)
-				{
-					// use sort order to determine priority of acceptance
-					*acceptance = (EAcceptance)llmin((U32)item_acceptance, (U32)*acceptance);
-				}
 			}
-			else
+			else if (is_uuid_dragged)
 			{
-				return;		
+				handled = handled && top_view->handleDragAndDrop(local_x, local_y, mask, FALSE,
+													mCargoTypes[mCurItemIndex],
+													(void*)&mCargoIDs[mCurItemIndex],
+													&item_acceptance,
+													mToolTipMsg);
+			}
+			if (handled)
+			{
+				// use sort order to determine priority of acceptance
+				*acceptance = (EAcceptance)llmin((U32)item_acceptance, (U32)*acceptance);
 			}
 		}
 
@@ -697,20 +704,27 @@ void LLToolDragAndDrop::dragOrDrop( S32 x, S32 y, MASK mask, BOOL drop,
 
 			for (mCurItemIndex = 0; mCurItemIndex < (S32)mCargoIDs.size(); mCurItemIndex++)
 			{
-				LLInventoryObject* cargo = locateInventory(item, cat);
+				S32 local_x, local_y;
+				EAcceptance item_acceptance;
+				top_view->screenPointToLocal( x, y, &local_x, &local_y );
 
+				LLInventoryObject* cargo = locateInventory(item, cat);
 				if (cargo)
 				{
-					S32 local_x, local_y;
-
-					EAcceptance item_acceptance;
-					top_view->screenPointToLocal( x, y, &local_x, &local_y );
 					handled = handled && top_view->handleDragAndDrop(local_x, local_y, mask, TRUE,
 														mCargoTypes[mCurItemIndex],
 														(void*)cargo,
 														&item_acceptance,
 														mToolTipMsg);
 				}
+				else if (is_uuid_dragged)
+				{
+					handled = handled && top_view->handleDragAndDrop(local_x, local_y, mask, FALSE,
+														mCargoTypes[mCurItemIndex],
+														(void*)&mCargoIDs[mCurItemIndex],
+														&item_acceptance,
+														mToolTipMsg);
+				}
 			}
 		}
 		if (handled)
@@ -727,17 +741,27 @@ void LLToolDragAndDrop::dragOrDrop( S32 x, S32 y, MASK mask, BOOL drop,
 
 		for (mCurItemIndex = 0; mCurItemIndex < (S32)mCargoIDs.size(); mCurItemIndex++)
 		{
+			EAcceptance item_acceptance = ACCEPT_NO;
+
 			LLInventoryObject* cargo = locateInventory(item, cat);
 
 			// fix for EXT-3191
-			if (NULL == cargo) return;
-
-			EAcceptance item_acceptance = ACCEPT_NO;
-			handled = handled && root_view->handleDragAndDrop(x, y, mask, FALSE,
-												mCargoTypes[mCurItemIndex],
-												(void*)cargo,
-												&item_acceptance,
-												mToolTipMsg);
+			if (cargo)
+			{
+				handled = handled && root_view->handleDragAndDrop(x, y, mask, FALSE,
+													mCargoTypes[mCurItemIndex],
+													(void*)cargo,
+													&item_acceptance,
+													mToolTipMsg);
+			}
+			else if (is_uuid_dragged)
+			{
+				handled = handled && root_view->handleDragAndDrop(x, y, mask, FALSE,
+													mCargoTypes[mCurItemIndex],
+													(void*)&mCargoIDs[mCurItemIndex],
+													&item_acceptance,
+													mToolTipMsg);
+			}
 			if (handled)
 			{
 				// use sort order to determine priority of acceptance
@@ -757,17 +781,25 @@ void LLToolDragAndDrop::dragOrDrop( S32 x, S32 y, MASK mask, BOOL drop,
 
 			for (mCurItemIndex = 0; mCurItemIndex < (S32)mCargoIDs.size(); mCurItemIndex++)
 			{
-				LLInventoryObject* cargo = locateInventory(item, cat);
+				EAcceptance item_acceptance;
 
+				LLInventoryObject* cargo = locateInventory(item, cat);
 				if (cargo)
 				{
-					EAcceptance item_acceptance;
 					handled = handled && root_view->handleDragAndDrop(x, y, mask, TRUE,
 											  mCargoTypes[mCurItemIndex],
 											  (void*)cargo,
 											  &item_acceptance,
 											  mToolTipMsg);
 				}
+				else if (is_uuid_dragged)
+				{
+					handled = handled && root_view->handleDragAndDrop(x, y, mask, TRUE,
+											  mCargoTypes[mCurItemIndex],
+											  (void*)&mCargoIDs[mCurItemIndex],
+											  &item_acceptance,
+											  mToolTipMsg);
+				}
 			}
 		}
 
@@ -780,7 +812,7 @@ void LLToolDragAndDrop::dragOrDrop( S32 x, S32 y, MASK mask, BOOL drop,
 	if (!handled)
 	{
 		// Disallow drag and drop to 3D from the outbox
-		const LLUUID outbox_id = gInventory.findCategoryUUIDForType(LLFolderType::FT_OUTBOX, false, false);
+		const LLUUID outbox_id = gInventory.findCategoryUUIDForType(LLFolderType::FT_OUTBOX, false);
 		if (outbox_id.notNull())
 		{
 			for (S32 item_index = 0; item_index < (S32)mCargoIDs.size(); item_index++)
@@ -2509,7 +2541,13 @@ LLInventoryObject* LLToolDragAndDrop::locateInventory(
 {
 	item = NULL;
 	cat = NULL;
-	if(mCargoIDs.empty()) return NULL;
+
+	if (mCargoIDs.empty()
+		|| (mSource == SOURCE_PEOPLE)) ///< There is no inventory item for people drag and drop.
+	{
+		return NULL;
+	}
+
 	if((mSource == SOURCE_AGENT) || (mSource == SOURCE_LIBRARY))
 	{
 		// The object should be in user inventory.
@@ -2545,6 +2583,7 @@ LLInventoryObject* LLToolDragAndDrop::locateInventory(
 	{
 		item = (LLViewerInventoryItem*)gToolBarView->getDragItem();
 	}
+
 	if(item) return item;
 	if(cat) return cat;
 	return NULL;
diff --git a/indra/newview/lltooldraganddrop.h b/indra/newview/lltooldraganddrop.h
index 41aee484db..f17300a76a 100644
--- a/indra/newview/lltooldraganddrop.h
+++ b/indra/newview/lltooldraganddrop.h
@@ -67,7 +67,8 @@ public:
 		SOURCE_WORLD,
 		SOURCE_NOTECARD,
 		SOURCE_LIBRARY,
-		SOURCE_VIEWER
+		SOURCE_VIEWER,
+		SOURCE_PEOPLE
 	};
 
 	void beginDrag(EDragAndDropType type,
diff --git a/indra/newview/lltoolpie.cpp b/indra/newview/lltoolpie.cpp
index 3cd761b73b..babb5065f7 100644
--- a/indra/newview/lltoolpie.cpp
+++ b/indra/newview/lltoolpie.cpp
@@ -972,33 +972,16 @@ BOOL LLToolPie::handleTooltipObject( LLViewerObject* hover_object, std::string l
 			|| !existing_inspector->getVisible()
 			|| existing_inspector->getKey()["avatar_id"].asUUID() != hover_object->getID())
 		{
-			// IDEVO: try to get display name + username
+			// Try to get display name + username
 			std::string final_name;
-			std::string full_name;
-			if (!gCacheName->getFullName(hover_object->getID(), full_name))
-			{
-			LLNameValue* firstname = hover_object->getNVPair("FirstName");
-			LLNameValue* lastname =  hover_object->getNVPair("LastName");
-			if (firstname && lastname)
-			{
-					full_name = LLCacheName::buildFullName(
-						firstname->getString(), lastname->getString());
-				}
-				else
-				{
-					full_name = LLTrans::getString("TooltipPerson");
-				}
-			}
-
 			LLAvatarName av_name;
-			if (LLAvatarNameCache::useDisplayNames() && 
-				LLAvatarNameCache::get(hover_object->getID(), &av_name))
+			if (LLAvatarNameCache::get(hover_object->getID(), &av_name))
 			{
 				final_name = av_name.getCompleteName();
 			}
 			else
 			{
-				final_name = full_name;
+				final_name = LLTrans::getString("TooltipPerson");;
 			}
 
 			// *HACK: We may select this object, so pretend it was clicked
diff --git a/indra/newview/llviewerassettype.cpp b/indra/newview/llviewerassettype.cpp
index a4b1c2155f..08ba5a5f25 100644
--- a/indra/newview/llviewerassettype.cpp
+++ b/indra/newview/llviewerassettype.cpp
@@ -83,6 +83,8 @@ LLViewerAssetDictionary::LLViewerAssetDictionary()
 	
 	addEntry(LLViewerAssetType::AT_WIDGET, 				new ViewerAssetEntry(DAD_WIDGET));
 	
+	addEntry(LLViewerAssetType::AT_PERSON, 				new ViewerAssetEntry(DAD_PERSON));
+
 	addEntry(LLViewerAssetType::AT_NONE, 				new ViewerAssetEntry(DAD_NONE));
 };
 
diff --git a/indra/newview/llviewerdisplayname.cpp b/indra/newview/llviewerdisplayname.cpp
index 5741fab29a..6bd5631df6 100644
--- a/indra/newview/llviewerdisplayname.cpp
+++ b/indra/newview/llviewerdisplayname.cpp
@@ -53,6 +53,7 @@ namespace LLViewerDisplayName
 		sNameChangedSignal.connect(cb); 
 	}
 
+	void doNothing() { }
 }
 
 class LLSetDisplayNameResponder : public LLHTTPClient::Responder
@@ -97,7 +98,7 @@ void LLViewerDisplayName::set(const std::string& display_name, const set_name_sl
 
 	// People API expects array of [ "old value", "new value" ]
 	LLSD change_array = LLSD::emptyArray();
-	change_array.append(av_name.mDisplayName);
+	change_array.append(av_name.getDisplayName());
 	change_array.append(display_name);
 	
 	llinfos << "Set name POST to " << cap_url << llendl;
@@ -139,9 +140,9 @@ public:
 			LLUUID agent_id = gAgent.getID();
 			// Flush stale data
 			LLAvatarNameCache::erase( agent_id );
-			// Queue request for new data
-			LLAvatarName ignored;
-			LLAvatarNameCache::get( agent_id, &ignored );
+			// Queue request for new data: nothing to do on callback though...
+			// Note: no need to disconnect the callback as it never gets out of scope
+			LLAvatarNameCache::get(agent_id, boost::bind(&LLViewerDisplayName::doNothing));
 			// Kill name tag, as it is wrong
 			LLVOAvatar::invalidateNameTag( agent_id );
 		}
@@ -189,8 +190,8 @@ class LLDisplayNameUpdate : public LLHTTPNode
 
 		LLSD args;
 		args["OLD_NAME"] = old_display_name;
-		args["SLID"] = av_name.mUsername;
-		args["NEW_NAME"] = av_name.mDisplayName;
+		args["SLID"] = av_name.getUserName();
+		args["NEW_NAME"] = av_name.getDisplayName();
 		LLNotificationsUtil::add("DisplayNameUpdate", args);
 		if (agent_id == gAgent.getID())
 		{
diff --git a/indra/newview/llviewerfloaterreg.cpp b/indra/newview/llviewerfloaterreg.cpp
index 1f7cf0cdd4..c6b28b9e5e 100644
--- a/indra/newview/llviewerfloaterreg.cpp
+++ b/indra/newview/llviewerfloaterreg.cpp
@@ -32,7 +32,6 @@
 #include "llviewerfloaterreg.h"
 #include "llfloaterautoreplacesettings.h"
 #include "llcompilequeue.h"
-#include "llcallfloater.h"
 #include "llfasttimerview.h"
 #include "llfloaterabout.h"
 #include "llfloaterauction.h"
@@ -50,6 +49,9 @@
 #include "llfloaterbump.h"
 #include "llfloaterbvhpreview.h"
 #include "llfloatercamera.h"
+#include "llfloaterchatvoicevolume.h"
+#include "llfloaterconversationlog.h"
+#include "llfloaterconversationpreview.h"
 #include "llfloaterdeleteenvpreset.h"
 #include "llfloaterdisplayname.h"
 #include "llfloatereditdaycycle.h"
@@ -69,7 +71,7 @@
 #include "llfloatermediasettings.h"
 #include "llfloaterhud.h"
 #include "llfloaterimagepreview.h"
-#include "llimfloater.h"
+#include "llfloaterimsession.h"
 #include "llfloaterinspect.h"
 #include "llfloaterinventory.h"
 #include "llfloaterjoystick.h"
@@ -114,17 +116,18 @@
 #include "llfloatertranslationsettings.h"
 #include "llfloateruipreview.h"
 #include "llfloatervoiceeffect.h"
+#include "llfloatervoicevolume.h"
 #include "llfloaterwhitelistentry.h"
 #include "llfloaterwindowsize.h"
 #include "llfloaterworldmap.h"
-#include "llimfloatercontainer.h"
+#include "llfloaterimcontainer.h"
 #include "llinspectavatar.h"
 #include "llinspectgroup.h"
 #include "llinspectobject.h"
 #include "llinspectremoteobject.h"
 #include "llinspecttoast.h"
 #include "llmoveview.h"
-#include "llnearbychat.h"
+#include "llfloaterimnearbychat.h"
 #include "llpanelblockedlist.h"
 #include "llpanelclassified.h"
 #include "llpreviewanim.h"
@@ -137,7 +140,6 @@
 #include "llscriptfloater.h"
 #include "llfloatermodelpreview.h"
 #include "llcommandhandler.h"
-#include "llnearbychatbar.h"
 
 // *NOTE: Please add files in alphabetical order to keep merges easy.
 
@@ -190,9 +192,10 @@ void LLViewerFloaterReg::registerFloaters()
 	LLFloaterReg::add("bumps", "floater_bumps.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterBump>);
 
 	LLFloaterReg::add("camera", "floater_camera.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterCamera>);
-	LLFloaterReg::add("chat_bar", "floater_chat_bar.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLNearbyChatBar>);
-
+	LLFloaterReg::add("chat_voice", "floater_voice_chat_volume.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterChatVoiceVolume>);
+	LLFloaterReg::add("nearby_chat", "floater_im_session.xml", (LLFloaterBuildFunc)&LLFloaterIMNearbyChat::buildFloater);
 	LLFloaterReg::add("compile_queue", "floater_script_queue.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterCompileQueue>);
+	LLFloaterReg::add("conversation", "floater_conversation_log.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterConversationLog>);
 
 	LLFloaterReg::add("destinations", "floater_destinations.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterDestinations>);
 
@@ -214,8 +217,8 @@ void LLViewerFloaterReg::registerFloaters()
 	LLFloaterReg::add("help_browser", "floater_help_browser.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterHelpBrowser>);	
 	LLFloaterReg::add("hud", "floater_hud.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterHUD>);
 
-	LLFloaterReg::add("impanel", "floater_im_session.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLIMFloater>);
-	LLFloaterReg::add("im_container", "floater_im_container.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLIMFloaterContainer>);
+	LLFloaterReg::add("impanel", "floater_im_session.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterIMSession>);
+	LLFloaterReg::add("im_container", "floater_im_container.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterIMContainer>);
 	LLFloaterReg::add("im_well_window", "floater_sys_well.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLIMWellWindow>);
 	LLFloaterReg::add("incoming_call", "floater_incoming_call.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLIncomingCallDialog>);
 	LLFloaterReg::add("inventory", "floater_my_inventory.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterSidePanelContainer>);
@@ -224,6 +227,7 @@ void LLViewerFloaterReg::registerFloaters()
 	LLInspectGroupUtil::registerFloater();
 	LLInspectObjectUtil::registerFloater();
 	LLInspectRemoteObjectUtil::registerFloater();
+	LLFloaterVoiceVolumeUtil::registerFloater();
 	LLNotificationsUI::registerFloater();
 	LLFloaterDisplayNameUtil::registerFloater();
 	
@@ -268,6 +272,7 @@ void LLViewerFloaterReg::registerFloaters()
 	LLFloaterReg::add("picks", "floater_picks.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterSidePanelContainer>);
 	LLFloaterReg::add("pref_joystick", "floater_joystick.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterJoystick>);
 	LLFloaterReg::add("preview_anim", "floater_preview_animation.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLPreviewAnim>, "preview");
+	LLFloaterReg::add("preview_conversation", "floater_conversation_preview.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterConversationPreview>);
 	LLFloaterReg::add("preview_gesture", "floater_preview_gesture.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLPreviewGesture>, "preview");
 	LLFloaterReg::add("preview_notecard", "floater_preview_notecard.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLPreviewNotecard>, "preview");
 	LLFloaterReg::add("preview_script", "floater_script_preview.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLPreviewLSL>, "preview");
@@ -316,7 +321,6 @@ void LLViewerFloaterReg::registerFloaters()
 	LLFloaterReg::add("upload_script", "floater_script_preview.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterScriptPreview>, "upload");
 	LLFloaterReg::add("upload_sound", "floater_sound_preview.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterSoundPreview>, "upload");
 
-	LLFloaterReg::add("voice_controls", "floater_voice_controls.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLCallFloater>);
 	LLFloaterReg::add("voice_effect", "floater_voice_effect.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterVoiceEffect>);
 
 	LLFloaterReg::add("web_content", "floater_web_content.xml", (LLFloaterBuildFunc)&LLFloaterWebContent::create);	
diff --git a/indra/newview/llviewerfoldertype.cpp b/indra/newview/llviewerfoldertype.cpp
index a179b61cff..a179b61cff 100644..100755
--- a/indra/newview/llviewerfoldertype.cpp
+++ b/indra/newview/llviewerfoldertype.cpp
diff --git a/indra/newview/llviewergesture.cpp b/indra/newview/llviewergesture.cpp
index a32a78cbf9..3f35a5001d 100644
--- a/indra/newview/llviewergesture.cpp
+++ b/indra/newview/llviewergesture.cpp
@@ -33,6 +33,7 @@
 #include "llviewerinventory.h"
 #include "sound_ids.h"		// for testing
 
+#include "llfloaterreg.h"
 #include "llkeyboard.h"		// for key shortcuts for testing
 #include "llinventorymodel.h"
 #include "llvoavatar.h"
@@ -40,7 +41,7 @@
 #include "llviewermessage.h" // send_guid_sound_trigger
 #include "llviewernetwork.h"
 #include "llagent.h"
-#include "llnearbychatbar.h"
+#include "llfloaterimnearbychat.h"
 
 // Globals
 LLViewerGestureList gGestureList;
@@ -130,7 +131,8 @@ void LLViewerGesture::doTrigger( BOOL send_chat )
 	{
 		// Don't play nodding animation, since that might not blend
 		// with the gesture animation.
-		LLNearbyChatBar::getInstance()->sendChatFromViewer(mOutputString, CHAT_TYPE_NORMAL, FALSE);
+		(LLFloaterReg::getTypedInstance<LLFloaterIMNearbyChat>("nearby_chat"))->
+				sendChatFromViewer(mOutputString, CHAT_TYPE_NORMAL, FALSE);
 	}
 }
 
diff --git a/indra/newview/llviewerinventory.cpp b/indra/newview/llviewerinventory.cpp
index b47a41c44c..a187318eb7 100644
--- a/indra/newview/llviewerinventory.cpp
+++ b/indra/newview/llviewerinventory.cpp
@@ -1030,12 +1030,7 @@ void CreateGestureCallback::fire(const LLUUID& inv_item)
 	gFloaterView->adjustToFitScreen(preview, FALSE);
 }
 
-void AddFavoriteLandmarkCallback::fire(const LLUUID& inv_item_id)
-{
-	if (mTargetLandmarkId.isNull()) return;
 
-	gInventory.rearrangeFavoriteLandmarks(inv_item_id, mTargetLandmarkId);
-}
 
 LLInventoryCallbackManager gInventoryCallbacks;
 
@@ -1308,7 +1303,7 @@ const std::string NEW_NOTECARD_NAME = "New Note"; // *TODO:Translate? (probably
 const std::string NEW_GESTURE_NAME = "New Gesture"; // *TODO:Translate? (probably not)
 
 // ! REFACTOR ! Really need to refactor this so that it's not a bunch of if-then statements...
-void menu_create_inventory_item(LLFolderView* root, LLFolderBridge *bridge, const LLSD& userdata, const LLUUID& default_parent_uuid)
+void menu_create_inventory_item(LLInventoryPanel* panel, LLFolderBridge *bridge, const LLSD& userdata, const LLUUID& default_parent_uuid)
 {
 	std::string type_name = userdata.asString();
 	
@@ -1332,7 +1327,7 @@ void menu_create_inventory_item(LLFolderView* root, LLFolderBridge *bridge, cons
 
 		LLUUID category = gInventory.createNewCategory(parent_id, preferred_type, LLStringUtil::null);
 		gInventory.notifyObservers();
-		root->setSelectionByID(category, TRUE);
+		panel->setSelectionByID(category, TRUE);
 	}
 	else if ("lsl" == type_name)
 	{
@@ -1375,7 +1370,7 @@ void menu_create_inventory_item(LLFolderView* root, LLFolderBridge *bridge, cons
 			llwarns << "Can't create unrecognized type " << type_name << llendl;
 		}
 	}
-	root->setNeedsAutoRename(TRUE);	
+	panel->getRootFolder()->setNeedsAutoRename(TRUE);	
 }
 
 LLAssetType::EType LLViewerInventoryItem::getType() const
@@ -1449,348 +1444,6 @@ const std::string& LLViewerInventoryItem::getName() const
 	return  LLInventoryItem::getName();
 }
 
-/**
- * Class to store sorting order of favorites landmarks in a local file. EXT-3985.
- * It replaced previously implemented solution to store sort index in landmark's name as a "<N>@" prefix.
- * Data are stored in user home directory.
- */
-class LLFavoritesOrderStorage : public LLSingleton<LLFavoritesOrderStorage>
-	, public LLDestroyClass<LLFavoritesOrderStorage>
-{
-	LOG_CLASS(LLFavoritesOrderStorage);
-public:
-	/**
-	 * Sets sort index for specified with LLUUID favorite landmark
-	 */
-	void setSortIndex(const LLUUID& inv_item_id, S32 sort_index);
-
-	/**
-	 * Gets sort index for specified with LLUUID favorite landmark
-	 */
-	S32 getSortIndex(const LLUUID& inv_item_id);
-	void removeSortIndex(const LLUUID& inv_item_id);
-
-	void getSLURL(const LLUUID& asset_id);
-
-	/**
-	 * Implementation of LLDestroyClass. Calls cleanup() instance method.
-	 *
-	 * It is important this callback is called before gInventory is cleaned.
-	 * For now it is called from LLAppViewer::cleanup() -> LLAppViewer::disconnectViewer(),
-	 * Inventory is cleaned later from LLAppViewer::cleanup() after LLAppViewer::disconnectViewer() is called.
-	 * @see cleanup()
-	 */
-	static void destroyClass();
-
-	const static S32 NO_INDEX;
-private:
-	friend class LLSingleton<LLFavoritesOrderStorage>;
-	LLFavoritesOrderStorage() : mIsDirty(false) { load(); }
-	~LLFavoritesOrderStorage() { save(); }
-
-	/**
-	 * Removes sort indexes for items which are not in Favorites bar for now.
-	 */
-	void cleanup();
-
-	const static std::string SORTING_DATA_FILE_NAME;
-
-	void load();
-	void save();
-
-	void saveFavoritesSLURLs();
-
-	// Remove record of current user's favorites from file on disk.
-	void removeFavoritesRecordOfUser();
-
-	void onLandmarkLoaded(const LLUUID& asset_id, LLLandmark* landmark);
-	void storeFavoriteSLURL(const LLUUID& asset_id, std::string& slurl);
-
-	typedef std::map<LLUUID, S32> sort_index_map_t;
-	sort_index_map_t mSortIndexes;
-
-	typedef std::map<LLUUID, std::string> slurls_map_t;
-	slurls_map_t mSLURLs;
-
-	bool mIsDirty;
-
-	struct IsNotInFavorites
-	{
-		IsNotInFavorites(const LLInventoryModel::item_array_t& items)
-			: mFavoriteItems(items)
-		{
-
-		}
-
-		/**
-		 * Returns true if specified item is not found among inventory items
-		 */
-		bool operator()(const sort_index_map_t::value_type& id_index_pair) const
-		{
-			LLPointer<LLViewerInventoryItem> item = gInventory.getItem(id_index_pair.first);
-			if (item.isNull()) return true;
-
-			LLInventoryModel::item_array_t::const_iterator found_it =
-				std::find(mFavoriteItems.begin(), mFavoriteItems.end(), item);
-
-			return found_it == mFavoriteItems.end();
-		}
-	private:
-		LLInventoryModel::item_array_t mFavoriteItems;
-	};
-
-};
-
-const std::string LLFavoritesOrderStorage::SORTING_DATA_FILE_NAME = "landmarks_sorting.xml";
-const S32 LLFavoritesOrderStorage::NO_INDEX = -1;
-
-void LLFavoritesOrderStorage::setSortIndex(const LLUUID& inv_item_id, S32 sort_index)
-{
-	mSortIndexes[inv_item_id] = sort_index;
-	mIsDirty = true;
-}
-
-S32 LLFavoritesOrderStorage::getSortIndex(const LLUUID& inv_item_id)
-{
-	sort_index_map_t::const_iterator it = mSortIndexes.find(inv_item_id);
-	if (it != mSortIndexes.end())
-	{
-		return it->second;
-	}
-	return NO_INDEX;
-}
-
-void LLFavoritesOrderStorage::removeSortIndex(const LLUUID& inv_item_id)
-{
-	mSortIndexes.erase(inv_item_id);
-	mIsDirty = true;
-}
-
-void LLFavoritesOrderStorage::getSLURL(const LLUUID& asset_id)
-{
-	slurls_map_t::iterator slurl_iter = mSLURLs.find(asset_id);
-	if (slurl_iter != mSLURLs.end()) return; // SLURL for current landmark is already cached
-
-	LLLandmark* lm = gLandmarkList.getAsset(asset_id,
-			boost::bind(&LLFavoritesOrderStorage::onLandmarkLoaded, this, asset_id, _1));
-	if (lm)
-	{
-		onLandmarkLoaded(asset_id, lm);
-	}
-}
-
-// static
-void LLFavoritesOrderStorage::destroyClass()
-{
-	LLFavoritesOrderStorage::instance().cleanup();
-	if (gSavedPerAccountSettings.getBOOL("ShowFavoritesOnLogin"))
-	{
-		LLFavoritesOrderStorage::instance().saveFavoritesSLURLs();
-	}
-	else
-	{
-		LLFavoritesOrderStorage::instance().removeFavoritesRecordOfUser();
-	}
-}
-
-void LLFavoritesOrderStorage::load()
-{
-	// load per-resident sorting information
-	std::string filename = gDirUtilp->getExpandedFilename(LL_PATH_PER_SL_ACCOUNT, SORTING_DATA_FILE_NAME);
-
-	LLSD settings_llsd;
-	llifstream file;
-	file.open(filename);
-	if (file.is_open())
-	{
-		LLSDSerialize::fromXML(settings_llsd, file);
-	}
-
-	for (LLSD::map_const_iterator iter = settings_llsd.beginMap();
-		iter != settings_llsd.endMap(); ++iter)
-	{
-		mSortIndexes.insert(std::make_pair(LLUUID(iter->first), (S32)iter->second.asInteger()));
-	}
-}
-
-void LLFavoritesOrderStorage::saveFavoritesSLURLs()
-{
-	// Do not change the file if we are not logged in yet.
-	if (!LLLoginInstance::getInstance()->authSuccess())
-	{
-		llwarns << "Cannot save favorites: not logged in" << llendl;
-		return;
-	}
-	
-	std::string user_dir = gDirUtilp->getExpandedFilename(LL_PATH_USER_SETTINGS, "");
-	if (user_dir.empty())
-	{
-		llwarns << "Cannot save favorites: empty user dir name" << llendl;
-		return;
-	}
-
-	std::string filename = gDirUtilp->getExpandedFilename(LL_PATH_USER_SETTINGS, "stored_favorites.xml");
-	llifstream in_file;
-	in_file.open(filename);
-	LLSD fav_llsd;
-	if (in_file.is_open())
-	{
-		LLSDSerialize::fromXML(fav_llsd, in_file);
-	}
-
-	const LLUUID fav_id = gInventory.findCategoryUUIDForType(LLFolderType::FT_FAVORITE);
-	LLInventoryModel::cat_array_t cats;
-	LLInventoryModel::item_array_t items;
-	gInventory.collectDescendents(fav_id, cats, items, LLInventoryModel::EXCLUDE_TRASH);
-
-	LLSD user_llsd;
-	for (LLInventoryModel::item_array_t::iterator it = items.begin(); it != items.end(); it++)
-	{
-		LLSD value;
-		value["name"] = (*it)->getName();
-		value["asset_id"] = (*it)->getAssetUUID();
-
-		slurls_map_t::iterator slurl_iter = mSLURLs.find(value["asset_id"]);
-		if (slurl_iter != mSLURLs.end())
-		{
-			lldebugs << "Saving favorite: idx=" << (*it)->getSortField() << ", SLURL=" <<  slurl_iter->second << ", value=" << value << llendl;
-			value["slurl"] = slurl_iter->second;
-			user_llsd[(*it)->getSortField()] = value;
-		}
-		else
-		{
-			llwarns << "Not saving favorite " << value["name"] << ": no matching SLURL" << llendl;
-		}
-	}
-
-	LLAvatarName av_name;
-	LLAvatarNameCache::get( gAgentID, &av_name );
-	lldebugs << "Saved favorites for " << av_name.getLegacyName() << llendl;
-	fav_llsd[av_name.getLegacyName()] = user_llsd;
-
-	llofstream file;
-	file.open(filename);
-	LLSDSerialize::toPrettyXML(fav_llsd, file);
-}
-
-void LLFavoritesOrderStorage::removeFavoritesRecordOfUser()
-{
-	std::string filename = gDirUtilp->getExpandedFilename(LL_PATH_USER_SETTINGS, "stored_favorites.xml");
-	LLSD fav_llsd;
-	llifstream file;
-	file.open(filename);
-	if (!file.is_open()) return;
-	LLSDSerialize::fromXML(fav_llsd, file);
-
-	LLAvatarName av_name;
-	LLAvatarNameCache::get( gAgentID, &av_name );
-	lldebugs << "Removed favorites for " << av_name.getLegacyName() << llendl;
-	if (fav_llsd.has(av_name.getLegacyName()))
-	{
-		fav_llsd.erase(av_name.getLegacyName());
-	}
-
-	llofstream out_file;
-	out_file.open(filename);
-	LLSDSerialize::toPrettyXML(fav_llsd, out_file);
-
-}
-
-void LLFavoritesOrderStorage::onLandmarkLoaded(const LLUUID& asset_id, LLLandmark* landmark)
-{
-	if (!landmark) return;
-
-	LLVector3d pos_global;
-	if (!landmark->getGlobalPos(pos_global))
-	{
-		// If global position was unknown on first getGlobalPos() call
-		// it should be set for the subsequent calls.
-		landmark->getGlobalPos(pos_global);
-	}
-
-	if (!pos_global.isExactlyZero())
-	{
-		LLLandmarkActions::getSLURLfromPosGlobal(pos_global,
-				boost::bind(&LLFavoritesOrderStorage::storeFavoriteSLURL, this, asset_id, _1));
-	}
-}
-
-void LLFavoritesOrderStorage::storeFavoriteSLURL(const LLUUID& asset_id, std::string& slurl)
-{
-	lldebugs << "Saving landmark SLURL: " << slurl << llendl;
-	mSLURLs[asset_id] = slurl;
-}
-
-void LLFavoritesOrderStorage::save()
-{
-	// nothing to save if clean
-	if (!mIsDirty) return;
-
-	// If we quit from the login screen we will not have an SL account
-	// name.  Don't try to save, otherwise we'll dump a file in
-	// C:\Program Files\SecondLife\ or similar. JC
-	std::string user_dir = gDirUtilp->getLindenUserDir();
-	if (!user_dir.empty())
-	{
-		std::string filename = gDirUtilp->getExpandedFilename(LL_PATH_PER_SL_ACCOUNT, SORTING_DATA_FILE_NAME);
-		LLSD settings_llsd;
-
-		for(sort_index_map_t::const_iterator iter = mSortIndexes.begin(); iter != mSortIndexes.end(); ++iter)
-		{
-			settings_llsd[iter->first.asString()] = iter->second;
-		}
-
-		llofstream file;
-		file.open(filename);
-		LLSDSerialize::toPrettyXML(settings_llsd, file);
-	}
-}
-
-void LLFavoritesOrderStorage::cleanup()
-{
-	// nothing to clean
-	if (!mIsDirty) return;
-
-	const LLUUID fav_id = gInventory.findCategoryUUIDForType(LLFolderType::FT_FAVORITE);
-	LLInventoryModel::cat_array_t cats;
-	LLInventoryModel::item_array_t items;
-	gInventory.collectDescendents(fav_id, cats, items, LLInventoryModel::EXCLUDE_TRASH);
-
-	IsNotInFavorites is_not_in_fav(items);
-
-	sort_index_map_t  aTempMap;
-	//copy unremoved values from mSortIndexes to aTempMap
-	std::remove_copy_if(mSortIndexes.begin(), mSortIndexes.end(), 
-		inserter(aTempMap, aTempMap.begin()),
-		is_not_in_fav);
-
-	//Swap the contents of mSortIndexes and aTempMap
-	mSortIndexes.swap(aTempMap);
-}
-
-
-S32 LLViewerInventoryItem::getSortField() const
-{
-	return LLFavoritesOrderStorage::instance().getSortIndex(mUUID);
-}
-
-void LLViewerInventoryItem::setSortField(S32 sortField)
-{
-	LLFavoritesOrderStorage::instance().setSortIndex(mUUID, sortField);
-	getSLURL();
-}
-
-void LLViewerInventoryItem::getSLURL()
-{
-	LLFavoritesOrderStorage::instance().getSLURL(mAssetUUID);
-}
-
-const LLPermissions& LLViewerInventoryItem::getPermissions() const
-{
-	// Use the actual permissions of the symlink, not its parent.
-	return LLInventoryItem::getPermissions();	
-}
-
 const LLUUID& LLViewerInventoryItem::getCreatorUUID() const
 {
 	if (const LLViewerInventoryItem *linked_item = getLinkedItem())
@@ -1861,17 +1514,6 @@ LLWearableType::EType LLViewerInventoryItem::getWearableType() const
 	return LLWearableType::EType(getFlags() & LLInventoryItemFlags::II_FLAGS_WEARABLES_MASK);
 }
 
-
-time_t LLViewerInventoryItem::getCreationDate() const
-{
-	return LLInventoryItem::getCreationDate();
-}
-
-U32 LLViewerInventoryItem::getCRC32() const
-{
-	return LLInventoryItem::getCRC32();	
-}
-
 // *TODO: mantipov: should be removed with LMSortPrefix patch in llinventorymodel.cpp, EXT-3985
 static char getSeparator() { return '@'; }
 BOOL LLViewerInventoryItem::extractSortFieldAndDisplayName(const std::string& name, S32* sortField, std::string* displayName)
diff --git a/indra/newview/llviewerinventory.h b/indra/newview/llviewerinventory.h
index 7822ef4da6..3cf03c3bc5 100644
--- a/indra/newview/llviewerinventory.h
+++ b/indra/newview/llviewerinventory.h
@@ -34,7 +34,7 @@
 
 #include <boost/signals2.hpp>	// boost::signals2::trackable
 
-class LLFolderView;
+class LLInventoryPanel;
 class LLFolderBridge;
 class LLViewerInventoryCategory;
 
@@ -60,10 +60,6 @@ public:
 	virtual const LLUUID& getAssetUUID() const;
 	virtual const LLUUID& getProtectedAssetUUID() const; // returns LLUUID::null if current agent does not have permission to expose this asset's UUID to the user
 	virtual const std::string& getName() const;
-	virtual S32 getSortField() const;
-	virtual void setSortField(S32 sortField);
-	virtual void getSLURL(); //Caches SLURL for landmark. //*TODO: Find a better way to do it and remove this method from here.
-	virtual const LLPermissions& getPermissions() const;
 	virtual const bool getIsFullPerm() const; // 'fullperm' in the popular sense: modify-ok & copy-ok & transfer-ok, no special god rules applied
 	virtual const LLUUID& getCreatorUUID() const;
 	virtual const std::string& getDescription() const;
@@ -72,8 +68,11 @@ public:
 	virtual bool isWearableType() const;
 	virtual LLWearableType::EType getWearableType() const;
 	virtual U32 getFlags() const;
-	virtual time_t getCreationDate() const;
-	virtual U32 getCRC32() const; // really more of a checksum.
+
+    using LLInventoryItem::getPermissions;
+	using LLInventoryItem::getCreationDate;
+	using LLInventoryItem::setCreationDate;
+	using LLInventoryItem::getCRC32;
 
 	static BOOL extractSortFieldAndDisplayName(const std::string& name, S32* sortField, std::string* displayName);
 
@@ -285,18 +284,6 @@ public:
 	void fire(const LLUUID& inv_item);
 };
 
-class AddFavoriteLandmarkCallback : public LLInventoryCallback
-{
-public:
-	AddFavoriteLandmarkCallback() : mTargetLandmarkId(LLUUID::null) {}
-	void setTargetLandmarkId(const LLUUID& target_uuid) { mTargetLandmarkId = target_uuid; }
-
-private:
-	void fire(const LLUUID& inv_item);
-
-	LLUUID mTargetLandmarkId;
-};
-
 // misc functions
 //void inventory_reliable_callback(void**, S32 status);
 
@@ -372,7 +359,7 @@ void copy_inventory_from_notecard(const LLUUID& destination_id,
 								  U32 callback_id = 0);
 
 
-void menu_create_inventory_item(LLFolderView* root,
+void menu_create_inventory_item(LLInventoryPanel* root,
 								LLFolderBridge* bridge,
 								const LLSD& userdata,
 								const LLUUID& default_parent_uuid = LLUUID::null);
diff --git a/indra/newview/llviewerkeyboard.cpp b/indra/newview/llviewerkeyboard.cpp
index 1aa9fd8a45..4ecdc31e21 100644
--- a/indra/newview/llviewerkeyboard.cpp
+++ b/indra/newview/llviewerkeyboard.cpp
@@ -27,11 +27,12 @@
 #include "llviewerprecompiledheaders.h"
 
 #include "llappviewer.h"
+#include "llfloaterreg.h"
 #include "llviewerkeyboard.h"
 #include "llmath.h"
 #include "llagent.h"
 #include "llagentcamera.h"
-#include "llnearbychatbar.h"
+#include "llfloaterimnearbychat.h"
 #include "llviewercontrol.h"
 #include "llfocusmgr.h"
 #include "llmorphview.h"
@@ -534,7 +535,7 @@ void stop_moving( EKeystate s )
 void start_chat( EKeystate s )
 {
 	// start chat
-	LLNearbyChatBar::startChat(NULL);
+	LLFloaterIMNearbyChat::startChat(NULL);
 }
 
 void start_gesture( EKeystate s )
@@ -543,15 +544,15 @@ void start_gesture( EKeystate s )
 	if (KEYSTATE_UP == s &&
 		! (focus_ctrlp && focus_ctrlp->acceptsTextInput()))
 	{
- 		if (LLNearbyChatBar::getInstance()->getCurrentChat().empty())
+ 		if ((LLFloaterReg::getTypedInstance<LLFloaterIMNearbyChat>("nearby_chat"))->getCurrentChat().empty())
  		{
  			// No existing chat in chat editor, insert '/'
- 			LLNearbyChatBar::startChat("/");
+ 			LLFloaterIMNearbyChat::startChat("/");
  		}
  		else
  		{
  			// Don't overwrite existing text in chat editor
- 			LLNearbyChatBar::startChat(NULL);
+ 			LLFloaterIMNearbyChat::startChat(NULL);
  		}
 	}
 }
diff --git a/indra/newview/llviewermenu.cpp b/indra/newview/llviewermenu.cpp
index 5a8ef00b1f..a0aa639ac6 100644
--- a/indra/newview/llviewermenu.cpp
+++ b/indra/newview/llviewermenu.cpp
@@ -59,6 +59,7 @@
 #include "llbuycurrencyhtml.h"
 #include "llfloatergodtools.h"
 #include "llfloaterinventory.h"
+#include "llfloaterimcontainer.h"
 #include "llfloaterland.h"
 #include "llfloaterpathfindingcharacters.h"
 #include "llfloaterpathfindinglinksets.h"
@@ -179,9 +180,6 @@ LLContextMenu* gDetachPieMenu = NULL;
 LLContextMenu* gDetachScreenPieMenu = NULL;
 LLContextMenu* gDetachBodyPartPieMenus[8];
 
-LLMenuItemCallGL* gAFKMenu = NULL;
-LLMenuItemCallGL* gBusyMenu = NULL;
-
 //
 // Local prototypes
 
@@ -471,8 +469,6 @@ void init_menus()
 	gMenuHolder->childSetLabelArg("Upload Animation", "[COST]", upload_cost);
 	gMenuHolder->childSetLabelArg("Bulk Upload", "[COST]", upload_cost);
 	
-	gAFKMenu = gMenuBarView->getChild<LLMenuItemCallGL>("Set Away", TRUE);
-	gBusyMenu = gMenuBarView->getChild<LLMenuItemCallGL>("Set Busy", TRUE);
 	gAttachSubMenu = gMenuBarView->findChildMenuByName("Attach Object", TRUE);
 	gDetachSubMenu = gMenuBarView->findChildMenuByName("Detach Object", TRUE);
 
@@ -3264,15 +3260,6 @@ bool enable_freeze_eject(const LLSD& avatar_id)
 	return new_value;
 }
 
-
-void login_done(S32 which, void *user)
-{
-	llinfos << "Login done " << which << llendl;
-
-	LLPanelLogin::closePanel();
-}
-
-
 bool callback_leave_group(const LLSD& notification, const LLSD& response)
 {
 	S32 option = LLNotificationsUtil::getSelectedOption(notification, response);
@@ -3476,7 +3463,8 @@ class LLTogglePanelPeopleTab : public view_listener_t
 
 		if (   panel_name == "friends_panel"
 			|| panel_name == "groups_panel"
-			|| panel_name == "nearby_panel")
+			|| panel_name == "nearby_panel"
+			|| panel_name == "blocked_panel")
 		{
 			return togglePeoplePanel(panel_name, param);
 		}
@@ -5531,16 +5519,6 @@ void toggle_debug_menus(void*)
 // 	gExportDialog = LLUploadDialog::modalUploadDialog("Exporting selected objects...");
 // }
 //
-
-class LLCommunicateBlockList : public view_listener_t
-{
-	bool handleEvent(const LLSD& userdata)
-	{
-		LLFloaterSidePanelContainer::showPanel("people", "panel_block_list_sidetray", LLSD());
-		return true;
-	}
-};
-
 class LLWorldSetHomeLocation : public view_listener_t
 {
 	bool handleEvent(const LLSD& userdata)
@@ -5614,18 +5592,18 @@ class LLWorldSetAway : public view_listener_t
 	}
 };
 
-class LLWorldSetBusy : public view_listener_t
+class LLWorldSetDoNotDisturb : public view_listener_t
 {
 	bool handleEvent(const LLSD& userdata)
 	{
-		if (gAgent.getBusy())
+		if (gAgent.isDoNotDisturb())
 		{
-			gAgent.clearBusy();
+			gAgent.setDoNotDisturb(false);
 		}
 		else
 		{
-			gAgent.setBusy();
-			LLNotificationsUtil::add("BusyModeSet");
+			gAgent.setDoNotDisturb(true);
+			LLNotificationsUtil::add("DoNotDisturbModeSet");
 		}
 		return true;
 	}
@@ -5787,7 +5765,7 @@ bool complete_give_money(const LLSD& notification, const LLSD& response, LLObjec
 	S32 option = LLNotificationsUtil::getSelectedOption(notification, response);
 	if (option == 0)
 	{
-		gAgent.clearBusy();
+		gAgent.setDoNotDisturb(false);
 	}
 
 	LLViewerObject* objectp = selection->getPrimaryObject();
@@ -5820,12 +5798,12 @@ bool complete_give_money(const LLSD& notification, const LLSD& response, LLObjec
 
 void handle_give_money_dialog()
 {
-	LLNotification::Params params("BusyModePay");
+	LLNotification::Params params("DoNotDisturbModePay");
 	params.functor.function(boost::bind(complete_give_money, _1, _2, LLSelectMgr::getInstance()->getSelection()));
 
-	if (gAgent.getBusy())
+	if (gAgent.isDoNotDisturb())
 	{
-		// warn users of being in busy mode during a transaction
+		// warn users of being in do not disturb mode during a transaction
 		LLNotifications::instance().add(params);
 	}
 	else
@@ -7640,6 +7618,20 @@ void handle_web_content_test(const LLSD& param)
 	LLWeb::loadURLInternal(url);
 }
 
+void handle_show_url(const LLSD& param)
+{
+	std::string url = param.asString();
+	if(gSavedSettings.getBOOL("UseExternalBrowser"))
+	{
+		LLWeb::loadURLExternal(url);
+	}
+	else
+	{
+		LLWeb::loadURLInternal(url);
+	}
+
+}
+
 void handle_buy_currency_test(void*)
 {
 	std::string url =
@@ -7893,6 +7885,22 @@ class LLViewCheckRenderType : public view_listener_t
 	}
 };
 
+class LLViewStatusAway : public view_listener_t
+{
+	bool handleEvent(const LLSD& userdata)
+	{
+		return (gAgent.isInitialized() && gAgent.getAFK());
+	}
+};
+
+class LLViewStatusDoNotDisturb : public view_listener_t
+{
+	bool handleEvent(const LLSD& userdata)
+	{
+		return (gAgent.isInitialized() && gAgent.isDoNotDisturb());
+	}
+};
+
 class LLViewShowHUDAttachments : public view_listener_t
 {
 	bool handleEvent(const LLSD& userdata)
@@ -8119,11 +8127,7 @@ class LLWorldPostProcess : public view_listener_t
 
 void handle_flush_name_caches()
 {
-	// Toggle display names on and off to flush
-	bool use_display_names = LLAvatarNameCache::useDisplayNames();
-	LLAvatarNameCache::setUseDisplayNames(!use_display_names);
-	LLAvatarNameCache::setUseDisplayNames(use_display_names);
-
+	LLAvatarNameCache::cleanupClass();
 	if (gCacheName) gCacheName->clear();
 }
 
@@ -8281,6 +8285,7 @@ void initialize_menus()
 
 
 	commit.add("Inventory.NewWindow", boost::bind(&LLFloaterInventory::showAgentInventory));
+	enable.add("Conversation.IsConversationLoggingAllowed", boost::bind(&LLFloaterIMContainer::isConversationLoggingAllowed));
 
 	// Agent
 	commit.add("Agent.toggleFlying", boost::bind(&LLAgent::toggleFlying));
@@ -8326,14 +8331,13 @@ void initialize_menus()
 	view_listener_t::addMenu(new LLViewCheckShowHoverTips(), "View.CheckShowHoverTips");
 	view_listener_t::addMenu(new LLViewCheckHighlightTransparent(), "View.CheckHighlightTransparent");
 	view_listener_t::addMenu(new LLViewCheckRenderType(), "View.CheckRenderType");
+	view_listener_t::addMenu(new LLViewStatusAway(), "View.Status.CheckAway");
+	view_listener_t::addMenu(new LLViewStatusDoNotDisturb(), "View.Status.CheckDoNotDisturb");
 	view_listener_t::addMenu(new LLViewCheckHUDAttachments(), "View.CheckHUDAttachments");
-
+	
 	// Me > Movement
 	view_listener_t::addMenu(new LLAdvancedAgentFlyingInfo(), "Agent.getFlying");
 	
-	// Communicate
-	view_listener_t::addMenu(new LLCommunicateBlockList(), "Communicate.BlockList");
-	
 	// World menu
 	view_listener_t::addMenu(new LLWorldAlwaysRun(), "World.AlwaysRun");
 	view_listener_t::addMenu(new LLWorldCreateLandmark(), "World.CreateLandmark");
@@ -8341,7 +8345,7 @@ void initialize_menus()
 	view_listener_t::addMenu(new LLWorldSetHomeLocation(), "World.SetHomeLocation");
 	view_listener_t::addMenu(new LLWorldTeleportHome(), "World.TeleportHome");
 	view_listener_t::addMenu(new LLWorldSetAway(), "World.SetAway");
-	view_listener_t::addMenu(new LLWorldSetBusy(), "World.SetBusy");
+	view_listener_t::addMenu(new LLWorldSetDoNotDisturb(), "World.SetDoNotDisturb");
 
 	view_listener_t::addMenu(new LLWorldEnableCreateLandmark(), "World.EnableCreateLandmark");
 	view_listener_t::addMenu(new LLWorldEnableSetHomeLocation(), "World.EnableSetHomeLocation");
@@ -8459,6 +8463,7 @@ void initialize_menus()
 	// Advanced > UI
 	commit.add("Advanced.WebBrowserTest", boost::bind(&handle_web_browser_test,	_2));	// sigh! this one opens the MEDIA browser
 	commit.add("Advanced.WebContentTest", boost::bind(&handle_web_content_test, _2));	// this one opens the Web Content floater
+	commit.add("Advanced.ShowURL", boost::bind(&handle_show_url, _2));
 	view_listener_t::addMenu(new LLAdvancedBuyCurrencyTest(), "Advanced.BuyCurrencyTest");
 	view_listener_t::addMenu(new LLAdvancedDumpSelectMgr(), "Advanced.DumpSelectMgr");
 	view_listener_t::addMenu(new LLAdvancedDumpInventory(), "Advanced.DumpInventory");
diff --git a/indra/newview/llviewermenu.h b/indra/newview/llviewermenu.h
index 3515aa4302..c0376ba114 100644
--- a/indra/newview/llviewermenu.h
+++ b/indra/newview/llviewermenu.h
@@ -27,7 +27,7 @@
 #ifndef LL_LLVIEWERMENU_H
 #define LL_LLVIEWERMENU_H
 
-#include "llmenugl.h"
+#include "../llui/llmenugl.h"
 #include "llsafehandle.h"
 
 class LLMessageSystem;
@@ -187,8 +187,6 @@ extern LLContextMenu* gDetachPieMenu;
 extern LLContextMenu* gAttachBodyPartPieMenus[8];
 extern LLContextMenu* gDetachBodyPartPieMenus[8];
 
-extern LLMenuItemCallGL* gAFKMenu;
-extern LLMenuItemCallGL* gBusyMenu;
 extern LLMenuItemCallGL* gMutePieMenu;
 extern LLMenuItemCallGL* gMuteObjectPieMenu;
 extern LLMenuItemCallGL* gBuyPassPieMenu;
diff --git a/indra/newview/llviewermessage.cpp b/indra/newview/llviewermessage.cpp
index b048332e59..db81e057de 100755
--- a/indra/newview/llviewermessage.cpp
+++ b/indra/newview/llviewermessage.cpp
@@ -65,10 +65,11 @@
 #include "llfloatersnapshot.h"
 #include "llhudeffecttrail.h"
 #include "llhudmanager.h"
+#include "llimview.h"
 #include "llinventoryfunctions.h"
 #include "llinventoryobserver.h"
 #include "llinventorypanel.h"
-#include "llnearbychat.h"
+#include "llfloaterimnearbychat.h"
 #include "llnotifications.h"
 #include "llnotificationsutil.h"
 #include "llpanelgrouplandmoney.h"
@@ -120,6 +121,8 @@
 #pragma warning (disable:4702)
 #endif
 
+extern void on_new_message(const LLSD& msg);
+
 //
 // Constants
 //
@@ -184,6 +187,7 @@ bool friendship_offer_callback(const LLSD& notification, const LLSD& response)
 	S32 option = LLNotificationsUtil::getSelectedOption(notification, response);
 	LLMessageSystem* msg = gMessageSystem;
 	const LLSD& payload = notification["payload"];
+	LLNotificationPtr notification_ptr = LLNotifications::instance().find(notification["id"].asUUID());
 
 	// add friend to recent people list
 	LLRecentPeople::instance().add(payload["from_id"]);
@@ -209,7 +213,6 @@ bool friendship_offer_callback(const LLSD& notification, const LLSD& response)
 		msg->sendReliable(LLHost(payload["sender"].asString()));
 
 		LLSD payload = notification["payload"];
-		payload["SUPPRESS_TOAST"] = true;
 		LLNotificationsUtil::add("FriendshipAcceptedByMe",
 				notification["substitutions"], payload);
 		break;
@@ -217,7 +220,6 @@ bool friendship_offer_callback(const LLSD& notification, const LLSD& response)
 	case 1: // Decline
 	{
 		LLSD payload = notification["payload"];
-		payload["SUPPRESS_TOAST"] = true;
 		LLNotificationsUtil::add("FriendshipDeclinedByMe",
 				notification["substitutions"], payload);
 	}
@@ -246,16 +248,17 @@ bool friendship_offer_callback(const LLSD& notification, const LLSD& response)
 		break;
 	}
 
+	LLNotificationFormPtr modified_form(new LLNotificationForm(*notification_ptr->getForm()));
+	modified_form->setElementEnabled("Accept", false);
+	modified_form->setElementEnabled("Decline", false);
+	notification_ptr->updateForm(modified_form);
+	notification_ptr->repost();
+
 	return false;
 }
 static LLNotificationFunctorRegistration friendship_offer_callback_reg("OfferFriendship", friendship_offer_callback);
 static LLNotificationFunctorRegistration friendship_offer_callback_reg_nm("OfferFriendshipNoMessage", friendship_offer_callback);
 
-//const char BUSY_AUTO_RESPONSE[] =	"The Resident you messaged is in 'busy mode' which means they have "
-//									"requested not to be disturbed. Your message will still be shown in their IM "
-//									"panel for later viewing.";
-
-//
 // Functions
 //
 
@@ -726,7 +729,7 @@ static void highlight_inventory_objects_in_panel(const std::vector<LLUUID>& item
 		LLFolderView* fv = inventory_panel->getRootFolder();
 		if (fv)
 		{
-			LLFolderViewItem* fv_item = fv->getItemByID(item_id);
+			LLFolderViewItem* fv_item = inventory_panel->getItemByID(item_id);
 			if (fv_item)
 			{
 				LLFolderViewItem* fv_folder = fv_item->getParentFolder();
@@ -814,7 +817,13 @@ private:
 		mSelectedItems.clear();
 		if (LLInventoryPanel::getActiveInventoryPanel())
 		{
-			mSelectedItems = LLInventoryPanel::getActiveInventoryPanel()->getRootFolder()->getSelectionList();
+			std::set<LLFolderViewItem*> selection =    LLInventoryPanel::getActiveInventoryPanel()->getRootFolder()->getSelectionList();
+			for (std::set<LLFolderViewItem*>::iterator it = selection.begin(),    end_it = selection.end();
+				it != end_it;
+				++it)
+			{
+				mSelectedItems.insert(static_cast<LLFolderViewModelItemInventory*>((*it)->getViewModelItem())->getUUID());
+			}
 		}
 		mSelectedItems.erase(mMoveIntoFolderID);
 	}
@@ -849,7 +858,15 @@ private:
 		}
 
 		// get selected items (without destination folder)
-		selected_items_t selected_items = active_panel->getRootFolder()->getSelectionList();
+		selected_items_t selected_items;
+ 		
+ 		std::set<LLFolderViewItem*> selection =    LLInventoryPanel::getActiveInventoryPanel()->getRootFolder()->getSelectionList();
+		for (std::set<LLFolderViewItem*>::iterator it = selection.begin(),    end_it = selection.end();
+			it != end_it;
+			++it)
+		{
+			selected_items.insert(static_cast<LLFolderViewModelItemInventory*>((*it)->getViewModelItem())->getUUID());
+		}
 		selected_items.erase(mMoveIntoFolderID);
 
 		// compare stored & current sets of selected items
@@ -1155,7 +1172,7 @@ bool check_offer_throttle(const std::string& from_name, bool check_only)
 		}
 	}
 }
-
+ 
 // Return "true" if we have a preview method for that asset type, "false" otherwise
 bool check_asset_previewable(const LLAssetType::EType asset_type)
 {
@@ -1344,6 +1361,8 @@ void inventory_offer_mute_callback(const LLUUID& blocked_id,
 			gSavedSettings.getString("NotificationChannelUUID")), OfferMatcher(blocked_id));
 }
 
+std::string LLOfferInfo::mResponderType = "offer_info";
+
 LLOfferInfo::LLOfferInfo()
  : LLNotificationResponderInterface()
  , mFromGroup(FALSE)
@@ -1389,6 +1408,7 @@ LLOfferInfo::LLOfferInfo(const LLOfferInfo& info)
 LLSD LLOfferInfo::asLLSD()
 {
 	LLSD sd;
+    sd["responder_type"] = mResponderType;
 	sd["im_type"] = mIM;
 	sd["from_id"] = mFromID;
 	sd["from_group"] = mFromGroup;
@@ -1478,16 +1498,15 @@ bool LLOfferInfo::inventory_offer_callback(const LLSD& notification, const LLSD&
 		itemp = (LLViewerInventoryItem*)gInventory.getItem(mObjectID);
 	}
 	 
+	LLNotificationPtr notification_ptr = LLNotifications::instance().find(notification["id"].asUUID());
+	
 	// For muting, we need to add the mute, then decline the offer.
 	// This must be done here because:
 	// * callback may be called immediately,
 	// * adding the mute sends a message,
 	// * we can't build two messages at once.
-	if (2 == button) // Block
+	if (IOR_MUTE == button) // Block
 	{
-		LLNotificationPtr notification_ptr = LLNotifications::instance().find(notification["id"].asUUID());
-
-		llassert(notification_ptr != NULL);
 		if (notification_ptr != NULL)
 		{
 			gCacheName->get(mFromID, mFromGroup, boost::bind(&inventory_offer_mute_callback, _1, _2, _3));
@@ -1500,8 +1519,8 @@ bool LLOfferInfo::inventory_offer_callback(const LLSD& notification, const LLSD&
 	// TODO: when task inventory offers can also be handled the new way, migrate the code that sets these strings here:
 	from_string = chatHistory_string = mFromName;
 	
-	bool busy = gAgent.getBusy();
-	
+	LLNotificationFormPtr modified_form(notification_ptr ? new LLNotificationForm(*notification_ptr->getForm()) : new LLNotificationForm());
+
 	switch(button)
 	{
 	case IOR_SHOW:
@@ -1545,6 +1564,11 @@ bool LLOfferInfo::inventory_offer_callback(const LLSD& notification, const LLSD&
 			LL_WARNS("Messaging") << "inventory_offer_callback: unknown offer type" << LL_ENDL;
 			break;
 		}
+
+		if (modified_form != NULL)
+		{
+			modified_form->setElementEnabled("Show", false);
+		}
 		break;
 		// end switch (mIM)
 			
@@ -1557,9 +1581,14 @@ bool LLOfferInfo::inventory_offer_callback(const LLSD& notification, const LLSD&
 			args["MESSAGE"] = log_message;
 			LLNotificationsUtil::add("SystemMessageTip", args);
 		}
+
 		break;
 
 	case IOR_MUTE:
+		if (modified_form != NULL)
+		{
+			modified_form->setElementEnabled("Mute", false);
+		}
 		// MUTE falls through to decline
 	case IOR_DECLINE:
 		{
@@ -1591,10 +1620,17 @@ bool LLOfferInfo::inventory_offer_callback(const LLSD& notification, const LLSD&
 			}
 			
 			
-			if (busy &&	(!mFromGroup && !mFromObject))
+			if (gAgent.isDoNotDisturb() && (!mFromGroup && !mFromObject))
+			{
+				send_do_not_disturb_message(gMessageSystem, mFromID);
+			}
+
+			if (modified_form != NULL)
 			{
-				busy_message(gMessageSystem, mFromID);
+				modified_form->setElementEnabled("Show", false);
+				modified_form->setElementEnabled("Discard", false);
 			}
+
 			break;
 		}
 	default:
@@ -1614,6 +1650,13 @@ bool LLOfferInfo::inventory_offer_callback(const LLSD& notification, const LLSD&
 	{
 		delete this;
 	}
+
+	if (notification_ptr != NULL)
+	{
+		notification_ptr->updateForm(modified_form);
+		notification_ptr->repost();
+	}
+
 	return false;
 }
 
@@ -1704,7 +1747,7 @@ bool LLOfferInfo::inventory_task_offer_callback(const LLSD& notification, const
 		from_string = chatHistory_string = mFromName;
 	}
 	
-	bool busy = gAgent.getBusy();
+	bool is_do_not_disturb = gAgent.isDoNotDisturb();
 	
 	switch(button)
 	{
@@ -1777,9 +1820,9 @@ bool LLOfferInfo::inventory_task_offer_callback(const LLSD& notification, const
 				LLNotificationsUtil::add("SystemMessageTip", args);
 			}
 			
-			if (busy &&	(!mFromGroup && !mFromObject))
+			if (is_do_not_disturb &&	(!mFromGroup && !mFromObject))
 			{
-				busy_message(msg,mFromID);
+				send_do_not_disturb_message(msg,mFromID);
 			}
 			break;
 	}
@@ -1931,6 +1974,7 @@ void inventory_offer_handler(LLOfferInfo* info)
 		p.substitutions(args).payload(payload).functor.responder(LLNotificationResponderPtr(info));
 		info->mPersist = true;
 		p.name = "UserGiveItem";
+		p.offer_from_agent = true;
 		
 		// Prefetch the item into your local inventory.
 		LLInventoryFetchItemsObserver* fetch_item = new LLInventoryFetchItemsObserver(info->mObjectID);
@@ -1991,6 +2035,18 @@ bool lure_callback(const LLSD& notification, const LLSD& response)
 					   lure_id);
 		break;
 	}
+
+	LLNotificationPtr notification_ptr = LLNotifications::instance().find(notification["id"].asUUID());
+
+	if (notification_ptr)
+	{
+		LLNotificationFormPtr modified_form(new LLNotificationForm(*notification_ptr->getForm()));
+		modified_form->setElementEnabled("Teleport", false);
+		modified_form->setElementEnabled("Cancel", false);
+		notification_ptr->updateForm(modified_form);
+		notification_ptr->repost();
+	}
+
 	return false;
 }
 static LLNotificationFunctorRegistration lure_callback_reg("TeleportOffered", lure_callback);
@@ -2152,7 +2208,7 @@ static std::string clean_name_from_im(const std::string& name, EInstantMessage t
 	case IM_SESSION_SEND:
 	case IM_SESSION_LEAVE:
 	//IM_FROM_TASK
-	case IM_BUSY_AUTO_RESPONSE:
+	case IM_DO_NOT_DISTURB_AUTO_RESPONSE:
 	case IM_CONSOLE_AND_CHAT_HISTORY:
 	case IM_LURE_USER:
 	case IM_LURE_ACCEPTED:
@@ -2193,16 +2249,7 @@ static std::string clean_name_from_task_im(const std::string& msg,
 		// Don't try to clean up group names
 		if (!from_group)
 		{
-			if (LLAvatarNameCache::useDisplayNames())
-			{
-				// ...just convert to username
-				final += LLCacheName::buildUsername(name);
-			}
-			else
-			{
-				// ...strip out legacy "Resident" name
-				final += LLCacheName::cleanFullName(name);
-			}
+			final += LLCacheName::buildUsername(name);
 		}
 		final += match[3].str();
 		return final;
@@ -2210,13 +2257,13 @@ static std::string clean_name_from_task_im(const std::string& msg,
 	return msg;
 }
 
-void notification_display_name_callback(const LLUUID& id,
+static void notification_display_name_callback(const LLUUID& id,
 					  const LLAvatarName& av_name,
 					  const std::string& name, 
 					  LLSD& substitutions, 
 					  const LLSD& payload)
 {
-	substitutions["NAME"] = av_name.mDisplayName;
+	substitutions["NAME"] = av_name.getDisplayName();
 	LLNotificationsUtil::add(name, substitutions, payload);
 }
 
@@ -2234,7 +2281,7 @@ protected:
 };
 
 // Callback for name resolution of a god/estate message
-void god_message_name_cb(const LLAvatarName& av_name, LLChat chat, std::string message)
+static void god_message_name_cb(const LLAvatarName& av_name, LLChat chat, std::string message)
 {	
 	LLSD args;
 	args["NAME"] = av_name.getCompleteName();
@@ -2244,12 +2291,11 @@ void god_message_name_cb(const LLAvatarName& av_name, LLChat chat, std::string m
 	// Treat like a system message and put in chat history.
 	chat.mText = av_name.getCompleteName() + ": " + message;
 
-	LLNearbyChat* nearby_chat = LLNearbyChat::getInstance();
-	if(nearby_chat)
+	LLFloaterIMNearbyChat* nearby_chat = LLFloaterReg::getTypedInstance<LLFloaterIMNearbyChat>("nearby_chat");
+	if (nearby_chat)
 	{
 		nearby_chat->addMessage(chat);
 	}
-
 }
 
 void process_improved_im(LLMessageSystem *msg, void **user_data)
@@ -2302,16 +2348,15 @@ void process_improved_im(LLMessageSystem *msg, void **user_data)
 	// IDEVO convert new-style "Resident" names for display
 	name = clean_name_from_im(name, dialog);
 
-	BOOL is_busy = gAgent.getBusy();
+	BOOL is_do_not_disturb = gAgent.isDoNotDisturb();
 	BOOL is_muted = LLMuteList::getInstance()->isMuted(from_id, name, LLMute::flagTextChat)
 		// object IMs contain sender object id in session_id (STORM-1209)
 		|| dialog == IM_FROM_TASK && LLMuteList::getInstance()->isMuted(session_id);
-	BOOL is_linden = LLMuteList::getInstance()->isLinden(name);
 	BOOL is_owned_by_me = FALSE;
 	BOOL is_friend = (LLAvatarTracker::instance().getBuddyInfo(from_id) == NULL) ? false : true;
 	BOOL accept_im_from_only_friend = gSavedSettings.getBOOL("VoiceCallsFriendsOnly");
 	
-	chat.mMuted = is_muted && !is_linden;
+	chat.mMuted = is_muted;
 	chat.mFromID = from_id;
 	chat.mFromName = name;
 	chat.mSourceType = (from_id.isNull() || (name == std::string(SYSTEM_FROM))) ? CHAT_SOURCE_SYSTEM : CHAT_SOURCE_AGENT;
@@ -2349,29 +2394,15 @@ void process_improved_im(LLMessageSystem *msg, void **user_data)
 			// do nothing -- don't distract newbies in
 			// Prelude with global IMs
 		}
-		else if (offline == IM_ONLINE && !is_linden && is_busy && name != SYSTEM_FROM)
+		else if (offline == IM_ONLINE && is_do_not_disturb && name != SYSTEM_FROM)
 		{
-			// return a standard "busy" message, but only do it to online IM 
+			// return a standard "do not disturb" message, but only do it to online IM 
 			// (i.e. not other auto responses and not store-and-forward IM)
 			if (!gIMMgr->hasSession(session_id))
 			{
 				// if there is not a panel for this conversation (i.e. it is a new IM conversation
 				// initiated by the other party) then...
-				std::string my_name;
-				LLAgentUI::buildFullname(my_name);
-				std::string response = gSavedPerAccountSettings.getString("BusyModeResponse");
-				pack_instant_message(
-					gMessageSystem,
-					gAgent.getID(),
-					FALSE,
-					gAgent.getSessionID(),
-					from_id,
-					my_name,
-					response,
-					IM_ONLINE,
-					IM_BUSY_AUTO_RESPONSE,
-					session_id);
-				gAgent.sendReliableMessage();
+				send_do_not_disturb_message(msg, from_id, session_id);
 			}
 
 			// now store incoming IM in chat history
@@ -2386,6 +2417,7 @@ void process_improved_im(LLMessageSystem *msg, void **user_data)
 				from_id,
 				name,
 				buffer,
+				IM_OFFLINE == offline,
 				LLStringUtil::null,
 				dialog,
 				parent_estate_id,
@@ -2420,24 +2452,25 @@ void process_improved_im(LLMessageSystem *msg, void **user_data)
 			LL_INFOS("Messaging") << "process_improved_im: session_id( " << session_id << " ), from_id( " << from_id << " )" << LL_ENDL;
 
 			bool mute_im = is_muted;
-			if (accept_im_from_only_friend && !is_friend)
+			if(accept_im_from_only_friend&&!is_friend)
 			{
 				if (!gIMMgr->isNonFriendSessionNotified(session_id))
 				{
 					std::string message = LLTrans::getString("IM_unblock_only_groups_friends");
-					gIMMgr->addMessage(session_id, from_id, name, message);
+					gIMMgr->addMessage(session_id, from_id, name, message, IM_OFFLINE == offline);
 					gIMMgr->addNotifiedNonFriendSessionID(session_id);
 				}
 
 				mute_im = true;
 			}
-			if (!mute_im || is_linden) 
+			if (!mute_im) 
 			{
 				gIMMgr->addMessage(
 					session_id,
 					from_id,
 					name,
 					buffer,
+					IM_OFFLINE == offline,
 					LLStringUtil::null,
 					dialog,
 					parent_estate_id,
@@ -2604,11 +2637,9 @@ void process_improved_im(LLMessageSystem *msg, void **user_data)
 		break;
 	case IM_GROUP_INVITATION:
 		{
-			//if (!is_linden && (is_busy || is_muted))
-			if ((is_busy || is_muted))
+			if (is_do_not_disturb || is_muted)
 			{
-				LLMessageSystem *msg = gMessageSystem;
-				busy_message(msg,from_id);
+				send_do_not_disturb_message(msg, from_id);
 			}
 			else
 			{
@@ -2691,7 +2722,7 @@ void process_improved_im(LLMessageSystem *msg, void **user_data)
 			info->mFromName = name;
 			info->mDesc = message;
 			info->mHost = msg->getSender();
-			//if (((is_busy && !is_owned_by_me) || is_muted))
+			//if (((is_do_not_disturb && !is_owned_by_me) || is_muted))
 			if (is_muted)
 			{
 				// Prefetch the offered item so that it can be discarded by the appropriate observer. (EXT-4331)
@@ -2702,9 +2733,11 @@ void process_improved_im(LLMessageSystem *msg, void **user_data)
 				// Same as closing window
 				info->forceResponse(IOR_DECLINE);
 			}
-			else if (is_busy && dialog != IM_TASK_INVENTORY_OFFERED) // busy mode must not affect interaction with objects (STORM-565)
+			// old logic: busy mode must not affect interaction with objects (STORM-565)
+			// new logic: inventory offers from in-world objects should be auto-declined (CHUI-519)
+			else if (is_do_not_disturb && dialog == IM_TASK_INVENTORY_OFFERED)
 			{
-				// Until throttling is implemented, busy mode should reject inventory instead of silently
+				// Until throttling is implemented, do not disturb mode should reject inventory instead of silently
 				// accepting it.  SEE SL-39554
 				info->forceResponse(IOR_DECLINE);
 			}
@@ -2749,7 +2782,7 @@ void process_improved_im(LLMessageSystem *msg, void **user_data)
 	
 	case IM_SESSION_SEND:
 	{
-		if (is_busy)
+		if (is_do_not_disturb)
 		{
 			return;
 		}
@@ -2778,6 +2811,7 @@ void process_improved_im(LLMessageSystem *msg, void **user_data)
 			from_id,
 			name,
 			buffer,
+			IM_OFFLINE == offline,
 			ll_safe_string((char*)binary_bucket),
 			IM_SESSION_INVITE,
 			parent_estate_id,
@@ -2789,7 +2823,7 @@ void process_improved_im(LLMessageSystem *msg, void **user_data)
 
 	case IM_FROM_TASK:
 		{
-			if (is_busy && !is_owned_by_me)
+			if (is_do_not_disturb && !is_owned_by_me)
 			{
 				return;
 			}
@@ -2841,13 +2875,12 @@ void process_improved_im(LLMessageSystem *msg, void **user_data)
 
 			// Note: lie to Nearby Chat, pretending that this is NOT an IM, because
 			// IMs from obejcts don't open IM sessions.
-			LLNearbyChat* nearby_chat = LLNearbyChat::getInstance();
+			LLFloaterIMNearbyChat* nearby_chat = LLFloaterReg::getTypedInstance<LLFloaterIMNearbyChat>("nearby_chat");
 			if(!chat_from_system && nearby_chat)
 			{
 				chat.mOwnerID = from_id;
 				LLSD args;
 				args["slurl"] = location;
-				args["type"] = LLNotificationsUI::NT_NEARBYCHAT;
 
 				// Look for IRC-style emotes here so object name formatting is correct
 				std::string prefix = message.substr(0, 4);
@@ -2887,7 +2920,7 @@ void process_improved_im(LLMessageSystem *msg, void **user_data)
 		}
 		break;
 	case IM_FROM_TASK_AS_ALERT:
-		if (is_busy && !is_owned_by_me)
+		if (is_do_not_disturb && !is_owned_by_me)
 		{
 			return;
 		}
@@ -2898,17 +2931,15 @@ void process_improved_im(LLMessageSystem *msg, void **user_data)
 			LLNotificationsUtil::add("ObjectMessage", args);
 		}
 		break;
-	case IM_BUSY_AUTO_RESPONSE:
+	case IM_DO_NOT_DISTURB_AUTO_RESPONSE:
 		if (is_muted)
 		{
-			LL_DEBUGS("Messaging") << "Ignoring busy response from " << from_id << LL_ENDL;
+			LL_DEBUGS("Messaging") << "Ignoring do-not-disturb response from " << from_id << LL_ENDL;
 			return;
 		}
 		else
 		{
-			// TODO: after LLTrans hits release, get "busy response" into translatable file
-			buffer = llformat("%s (%s): %s", name.c_str(), "busy response", message.c_str());
-			gIMMgr->addMessage(session_id, from_id, name, buffer);
+			gIMMgr->addMessage(session_id, from_id, name, message);
 		}
 		break;
 		
@@ -2918,9 +2949,9 @@ void process_improved_im(LLMessageSystem *msg, void **user_data)
 			{ 
 				return;
 			}
-			else if (is_busy) 
+			else if (is_do_not_disturb) 
 			{
-				busy_message(msg,from_id);
+				send_do_not_disturb_message(msg, from_id);
 			}
 			else
 			{
@@ -3141,17 +3172,16 @@ void process_improved_im(LLMessageSystem *msg, void **user_data)
 			payload["online"] = (offline == IM_ONLINE);
 			payload["sender"] = msg->getSender().getIPandPort();
 
-			if (is_busy)
-			{
-				busy_message(msg, from_id);
-				LLNotifications::instance().forceResponse(LLNotification::Params("OfferFriendship").payload(payload), 1);
-			}
-			else if (is_muted)
+			if (is_muted)
 			{
 				LLNotifications::instance().forceResponse(LLNotification::Params("OfferFriendship").payload(payload), 1);
 			}
 			else
 			{
+				if (is_do_not_disturb)
+				{
+					send_do_not_disturb_message(msg, from_id);
+				}
 				args["NAME_SLURL"] = LLSLURL("agent", from_id, "about").getSLURLString();
 				if(message.empty())
 				{
@@ -3184,12 +3214,7 @@ void process_improved_im(LLMessageSystem *msg, void **user_data)
 			args["NAME"] = name;
 			LLSD payload;
 			payload["from_id"] = from_id;
-			LLAvatarNameCache::get(from_id, boost::bind(&notification_display_name_callback,
-														 _1,
-														 _2,
-														 "FriendshipAccepted",
-														 args,
-														 payload));
+			LLAvatarNameCache::get(from_id, boost::bind(&notification_display_name_callback,_1,_2,"FriendshipAccepted",args,payload));
 		}
 		break;
 
@@ -3207,15 +3232,15 @@ void process_improved_im(LLMessageSystem *msg, void **user_data)
 	}
 }
 
-void busy_message (LLMessageSystem* msg, LLUUID from_id) 
+void send_do_not_disturb_message (LLMessageSystem* msg, const LLUUID& from_id, const LLUUID& session_id)
 {
-	if (gAgent.getBusy())
+	if (gAgent.isDoNotDisturb())
 	{
 		std::string my_name;
 		LLAgentUI::buildFullname(my_name);
-		std::string response = gSavedPerAccountSettings.getString("BusyModeResponse");
+		std::string response = gSavedPerAccountSettings.getString("DoNotDisturbModeResponse");
 		pack_instant_message(
-			gMessageSystem,
+			msg,
 			gAgent.getID(),
 			FALSE,
 			gAgent.getSessionID(),
@@ -3223,7 +3248,8 @@ void busy_message (LLMessageSystem* msg, LLUUID from_id)
 			my_name,
 			response,
 			IM_ONLINE,
-			IM_BUSY_AUTO_RESPONSE);
+			IM_DO_NOT_DISTURB_AUTO_RESPONSE,
+			session_id);
 		gAgent.sendReliableMessage();
 	}
 }
@@ -3258,7 +3284,7 @@ bool callingcard_offer_callback(const LLSD& notification, const LLSD& response)
 		msg->nextBlockFast(_PREHASH_TransactionBlock);
 		msg->addUUIDFast(_PREHASH_TransactionID, notification["payload"]["transaction_id"].asUUID());
 		msg->sendReliable(LLHost(notification["payload"]["sender"].asString()));
-		busy_message(msg, notification["payload"]["source_id"].asUUID());
+		send_do_not_disturb_message(msg, notification["payload"]["source_id"].asUUID());
 		break;
 	default:
 		// close button probably, possibly timed out
@@ -3300,7 +3326,7 @@ void process_offer_callingcard(LLMessageSystem* msg, void**)
 
 	if(!source_name.empty())
 	{
-		if (gAgent.getBusy() 
+		if (gAgent.isDoNotDisturb() 
 			|| LLMuteList::getInstance()->isMuted(source_id, source_name, LLMute::flagTextChat))
 		{
 			// automatically decline offer
@@ -3417,7 +3443,7 @@ void process_chat_from_simulator(LLMessageSystem *msg, void **user_data)
 		LLAvatarName av_name;
 		if (LLAvatarNameCache::get(from_id, &av_name))
 		{
-			chat.mFromName = av_name.mDisplayName;
+			chat.mFromName = av_name.getDisplayName();
 		}
 		else
 		{
@@ -3429,7 +3455,7 @@ void process_chat_from_simulator(LLMessageSystem *msg, void **user_data)
 		chat.mFromName = from_name;
 	}
 
-	BOOL is_busy = gAgent.getBusy();
+	BOOL is_do_not_disturb = gAgent.isDoNotDisturb();
 
 	BOOL is_muted = FALSE;
 	BOOL is_linden = FALSE;
@@ -3463,7 +3489,7 @@ void process_chat_from_simulator(LLMessageSystem *msg, void **user_data)
 
 		// record last audible utterance
 		if (is_audible
-			&& (is_linden || (!is_muted && !is_busy)))
+			&& (is_linden || (!is_muted && !is_do_not_disturb)))
 		{
 			if (chat.mChatType != CHAT_TYPE_START 
 				&& chat.mChatType != CHAT_TYPE_STOP)
@@ -3558,7 +3584,7 @@ void process_chat_from_simulator(LLMessageSystem *msg, void **user_data)
 			LLLocalSpeakerMgr::getInstance()->setSpeakerTyping(from_id, FALSE);
 			((LLVOAvatar*)chatter)->stopTyping();
 			
-			if (!is_muted && !is_busy)
+			if (!is_muted && !is_do_not_disturb)
 			{
 				visible_in_chat_bubble = gSavedSettings.getBOOL("UseChatBubbles");
 				std::string formated_msg = "";
@@ -3591,7 +3617,6 @@ void process_chat_from_simulator(LLMessageSystem *msg, void **user_data)
 		// pass owner_id to chat so that we can display the remote
 		// object inspect for an object that is chatting with you
 		LLSD args;
-		args["type"] = LLNotificationsUI::NT_NEARBYCHAT;
 		chat.mOwnerID = owner_id;
 
 		if (gSavedSettings.getBOOL("TranslateChat") && chat.mSourceType != CHAT_SOURCE_SYSTEM)
@@ -3610,6 +3635,11 @@ void process_chat_from_simulator(LLMessageSystem *msg, void **user_data)
 		{
 			LLNotificationsUI::LLNotificationManager::instance().onChat(chat, args);
 		}
+
+		LLSD msg_notify = LLSD(LLSD::emptyMap());
+		msg_notify["session_id"] = LLUUID();
+        msg_notify["from_id"] = chat.mFromID;
+        on_new_message(msg_notify);
 	}
 }
 
@@ -4097,14 +4127,14 @@ void process_agent_movement_complete(LLMessageSystem* msg, void**)
 		gAgent.setFlying(gAgent.canFly());
 	}
 
-	// force simulator to recognize busy state
-	if (gAgent.getBusy())
+	// force simulator to recognize do not disturb state
+	if (gAgent.isDoNotDisturb())
 	{
-		gAgent.setBusy();
+		gAgent.setDoNotDisturb(true);
 	}
 	else
 	{
-		gAgent.clearBusy();
+		gAgent.setDoNotDisturb(false);
 	}
 
 	if (isAgentAvatarValid())
@@ -5618,11 +5648,9 @@ static void process_money_balance_reply_extended(LLMessageSystem* msg)
 									_1, _2, _3,
 									notification, final_args, payload));
 	}
-	else {
-		LLAvatarNameCache::get(name_id,
-							   boost::bind(&money_balance_avatar_notify,
-										   _1, _2,
-										   notification, final_args, payload));										   
+	else 
+	{
+		LLAvatarNameCache::get(name_id, boost::bind(&money_balance_avatar_notify, _1, _2, notification, final_args, payload));										   
 	}
 }
 
@@ -6798,7 +6826,6 @@ bool handle_lure_callback(const LLSD& notification, const LLSD& response)
 				
 				//*TODO please rewrite all keys to the same case, lower or upper
 				payload["from_id"] = target_id;
-				payload["SUPPRESS_TOAST"] = true;
 				LLNotificationsUtil::add("TeleportOfferSent", args, payload);
 
 				// Add the recepient to the recent people list.
diff --git a/indra/newview/llviewermessage.h b/indra/newview/llviewermessage.h
index 594c22ed9c..3237f3fbdd 100644
--- a/indra/newview/llviewermessage.h
+++ b/indra/newview/llviewermessage.h
@@ -67,7 +67,6 @@ enum InventoryOfferResponse
 BOOL can_afford_transaction(S32 cost);
 void give_money(const LLUUID& uuid, LLViewerRegion* region, S32 amount, BOOL is_group = FALSE,
 				S32 trx_type = TRANS_GIFT, const std::string& desc = LLStringUtil::null);
-void busy_message (LLMessageSystem* msg, LLUUID from_id);
 
 void process_logout_reply(LLMessageSystem* msg, void**);
 void process_layer_data(LLMessageSystem *mesgsys, void **user_data);
@@ -153,6 +152,8 @@ void send_group_notice(const LLUUID& group_id,
 					   const std::string& message,
 					   const LLInventoryItem* item);
 
+void send_do_not_disturb_message (LLMessageSystem* msg, const LLUUID& from_id, const LLUUID& session_id = LLUUID::null);
+
 void handle_lure(const LLUUID& invitee);
 void handle_lure(const uuid_vec_t& ids);
 
@@ -228,6 +229,7 @@ public:
 
 	void forceResponse(InventoryOfferResponse response);
 
+    static std::string mResponderType;
 	EInstantMessage mIM;
 	LLUUID mFromID;
 	BOOL mFromGroup;
diff --git a/indra/newview/llviewerobject.cpp b/indra/newview/llviewerobject.cpp
index b2bd547811..bc76c83d8f 100644
--- a/indra/newview/llviewerobject.cpp
+++ b/indra/newview/llviewerobject.cpp
@@ -2864,8 +2864,6 @@ void LLViewerObject::updateInventory(
 	U8 key,
 	bool is_new)
 {
-	LLMemType mt(LLMemType::MTYPE_OBJECT);
-
 	// This slices the object into what we're concerned about on the
 	// viewer. The simulator will take the permissions and transfer
 	// ownership.
diff --git a/indra/newview/llviewerobjectlist.cpp b/indra/newview/llviewerobjectlist.cpp
index 3eeab0bf3e..489c4107bb 100644
--- a/indra/newview/llviewerobjectlist.cpp
+++ b/indra/newview/llviewerobjectlist.cpp
@@ -948,7 +948,7 @@ void LLViewerObjectList::update(LLAgent &agent, LLWorld &world)
 	std::vector<LLViewerObject*>::iterator idle_end = idle_list.begin()+idle_count;
 
 	if (gSavedSettings.getBOOL("FreezeTime"))
-	{	
+	{
 		
 		for (std::vector<LLViewerObject*>::iterator iter = idle_list.begin();
 			iter != idle_end; iter++)
@@ -969,14 +969,14 @@ void LLViewerObjectList::update(LLAgent &agent, LLWorld &world)
 			llassert(objectp->isActive());
 			objectp->idleUpdate(agent, world, frame_time);
 
-		}
+			}
 
 		//update flexible objects
 		LLVolumeImplFlexible::updateClass();
 
 		//update animated textures
 		LLViewerTextureAnim::updateClass();
-	}
+			}
 
 
 
diff --git a/indra/newview/llviewerwindow.cpp b/indra/newview/llviewerwindow.cpp
index 1def2db829..2d5634a41d 100755
--- a/indra/newview/llviewerwindow.cpp
+++ b/indra/newview/llviewerwindow.cpp
@@ -37,8 +37,10 @@
 
 #include "llagent.h"
 #include "llagentcamera.h"
+#include "llcommunicationchannel.h"
 #include "llfloaterreg.h"
 #include "llmeshrepository.h"
+#include "llnotificationhandler.h"
 #include "llpanellogin.h"
 #include "llviewerkeyboard.h"
 #include "llviewermenu.h"
@@ -56,6 +58,7 @@
 
 // linden library includes
 #include "llaudioengine.h"		// mute on minimize
+#include "llchatentry.h"
 #include "indra_constants.h"
 #include "llassetstorage.h"
 #include "llerrorcontrol.h"
@@ -127,6 +130,7 @@
 #include "llmorphview.h"
 #include "llmoveview.h"
 #include "llnavigationbar.h"
+#include "llnotificationhandler.h"
 #include "llpaneltopinfobar.h"
 #include "llpopupview.h"
 #include "llpreviewtexture.h"
@@ -187,7 +191,7 @@
 #include "llviewerjoystick.h"
 #include "llviewernetwork.h"
 #include "llpostprocess.h"
-#include "llnearbychatbar.h"
+#include "llfloaterimnearbychat.h"
 #include "llagentui.h"
 #include "llwearablelist.h"
 
@@ -197,7 +201,6 @@
 
 #include "llfloaternotificationsconsole.h"
 
-#include "llnearbychat.h"
 #include "llwindowlistener.h"
 #include "llviewerwindowlistener.h"
 #include "llpaneltopinfobar.h"
@@ -1553,16 +1556,17 @@ LLViewerWindow::LLViewerWindow(const Params& p)
 	// boost::lambda::var() constructs such a functor on the fly.
 	mWindowListener.reset(new LLWindowListener(this, boost::lambda::var(gKeyboard)));
 	mViewerWindowListener.reset(new LLViewerWindowListener(this));
-	LLNotificationChannel::buildChannel("VW_alerts", "Visible", LLNotificationFilters::filterBy<std::string>(&LLNotification::getType, "alert"));
-	LLNotificationChannel::buildChannel("VW_alertmodal", "Visible", LLNotificationFilters::filterBy<std::string>(&LLNotification::getType, "alertmodal"));
 
-	LLNotifications::instance().getChannel("VW_alerts")->connectChanged(&LLViewerWindow::onAlert);
-	LLNotifications::instance().getChannel("VW_alertmodal")->connectChanged(&LLViewerWindow::onAlert);
+	mSystemChannel.reset(new LLNotificationChannel("System", "Visible", LLNotificationFilters::includeEverything));
+	mCommunicationChannel.reset(new LLCommunicationChannel("Communication", "Visible"));
+	mAlertsChannel.reset(new LLNotificationsUI::LLViewerAlertHandler("VW_alerts", "alert"));
+	mModalAlertsChannel.reset(new LLNotificationsUI::LLViewerAlertHandler("VW_alertmodal", "alertmodal"));
+
 	bool ignore = gSavedSettings.getBOOL("IgnoreAllNotifications");
 	LLNotifications::instance().setIgnoreAllNotifications(ignore);
 	if (ignore)
 	{
-		llinfos << "NOTE: ALL NOTIFICATIONS THAT OCCUR WILL GET ADDED TO IGNORE LIST FOR LATER RUNS." << llendl;
+	llinfos << "NOTE: ALL NOTIFICATIONS THAT OCCUR WILL GET ADDED TO IGNORE LIST FOR LATER RUNS." << llendl;
 	}
 
 	// Default to application directory.
@@ -1826,8 +1830,8 @@ void LLViewerWindow::initBase()
 	gDebugView->init();
 	gToolTipView = getRootView()->getChild<LLToolTipView>("tooltip view");
 
-	// Initialize busy response message when logged in
-	LLAppViewer::instance()->setOnLoginCompletedCallback(boost::bind(&LLFloaterPreference::initBusyResponse));
+	// Initialize do not disturb response message when logged in
+	LLAppViewer::instance()->setOnLoginCompletedCallback(boost::bind(&LLFloaterPreference::initDoNotDisturbResponse));
 
 	// Add the progress bar view (startup view), which overrides everything
 	mProgressView = getRootView()->findChild<LLProgressView>("progress_view");
@@ -2499,14 +2503,14 @@ BOOL LLViewerWindow::handleKey(KEY key, MASK mask)
 		return TRUE;
 	}
 
+	LLFloaterIMNearbyChat* nearby_chat = LLFloaterReg::findTypedInstance<LLFloaterIMNearbyChat>("nearby_chat");
+
 	// Traverses up the hierarchy
 	if( keyboard_focus )
 	{
-		LLNearbyChatBar* nearby_chat = LLFloaterReg::findTypedInstance<LLNearbyChatBar>("chat_bar");
-
 		if (nearby_chat)
 		{
-			LLLineEditor* chat_editor = nearby_chat->getChatBox();
+			LLChatEntry* chat_editor = nearby_chat->getChatBox();
 		
 		// arrow keys move avatar while chatting hack
 		if (chat_editor && chat_editor->hasFocus())
@@ -2539,6 +2543,7 @@ BOOL LLViewerWindow::handleKey(KEY key, MASK mask)
 			}
 		}
 		}
+
 		if (keyboard_focus->handleKey(key, mask, FALSE))
 		{
 			return TRUE;
@@ -2569,11 +2574,18 @@ BOOL LLViewerWindow::handleKey(KEY key, MASK mask)
 	if ( gSavedSettings.getS32("LetterKeysFocusChatBar") && !gAgentCamera.cameraMouselook() && 
 		!keyboard_focus && key < 0x80 && (mask == MASK_NONE || mask == MASK_SHIFT) )
 	{
-		LLLineEditor* chat_editor = LLFloaterReg::getTypedInstance<LLNearbyChatBar>("chat_bar")->getChatBox();
+		// Initialize nearby chat if it's missing
+		if (!nearby_chat)
+		{	
+			LLSD name("im_container");
+			LLFloaterReg::toggleInstanceOrBringToFront(name);
+		}
+
+		LLChatEntry* chat_editor = LLFloaterReg::findTypedInstance<LLFloaterIMNearbyChat>("nearby_chat")->getChatBox();
 		if (chat_editor)
 		{
 			// passing NULL here, character will be added later when it is handled by character handler.
-			LLNearbyChatBar::getInstance()->startChat(NULL);
+			nearby_chat->startChat(NULL);
 			return TRUE;
 		}
 	}
@@ -5036,25 +5048,6 @@ LLRect LLViewerWindow::getChatConsoleRect()
 //----------------------------------------------------------------------------
 
 
-//static 
-bool LLViewerWindow::onAlert(const LLSD& notify)
-{
-	LLNotificationPtr notification = LLNotifications::instance().find(notify["id"].asUUID());
-
-	if (gHeadlessClient)
-	{
-		llinfos << "Alert: " << notification->getName() << llendl;
-	}
-
-	// If we're in mouselook, the mouse is hidden and so the user can't click 
-	// the dialog buttons.  In that case, change to First Person instead.
-	if( gAgentCamera.cameraMouselook() )
-	{
-		gAgentCamera.changeCameraToDefault();
-	}
-	return false;
-}
-
 void LLViewerWindow::setUIVisibility(bool visible)
 {
 	mUIVisible = visible;
diff --git a/indra/newview/llviewerwindow.h b/indra/newview/llviewerwindow.h
index 6efcaeaf18..5a0d9652b8 100644
--- a/indra/newview/llviewerwindow.h
+++ b/indra/newview/llviewerwindow.h
@@ -43,6 +43,7 @@
 #include "lltimer.h"
 #include "llstat.h"
 #include "llmousehandler.h"
+#include "llnotifications.h"
 #include "llhandle.h"
 #include "llinitparam.h"
 
@@ -401,7 +402,6 @@ public:
 
 private:
 	bool                    shouldShowToolTipFor(LLMouseHandler *mh);
-	static bool onAlert(const LLSD& notify);
 
 	void			switchToolByMask(MASK mask);
 	void			destroyWindow();
@@ -418,6 +418,11 @@ private:
 	bool			mActive;
 	bool			mUIVisible;
 
+	LLNotificationChannelPtr mSystemChannel;
+	LLNotificationChannelPtr mCommunicationChannel;
+	LLNotificationChannelPtr mAlertsChannel;
+	LLNotificationChannelPtr mModalAlertsChannel;
+
 	LLRect			mWindowRectRaw;				// whole window, including UI
 	LLRect			mWindowRectScaled;			// whole window, scaled by UI size
 	LLRect			mWorldViewRectRaw;			// area of screen for 3D world
diff --git a/indra/newview/llvoavatar.cpp b/indra/newview/llvoavatar.cpp
index 627238b0f5..ea7bf29209 100755
--- a/indra/newview/llvoavatar.cpp
+++ b/indra/newview/llvoavatar.cpp
@@ -62,6 +62,7 @@
 #include "llhudmanager.h"
 #include "llhudnametag.h"
 #include "llhudtext.h"				// for mText/mDebugText
+#include "llinitparam.h"
 #include "llkeyframefallmotion.h"
 #include "llkeyframestandmotion.h"
 #include "llkeyframewalkmotion.h"
@@ -191,6 +192,9 @@ const S32 MAX_BUBBLE_CHAT_LENGTH = DB_CHAT_MSG_STR_LEN;
 const S32 MAX_BUBBLE_CHAT_UTTERANCES = 12;
 const F32 CHAT_FADE_TIME = 8.0;
 const F32 BUBBLE_CHAT_TIME = CHAT_FADE_TIME * 3.f;
+const F32 NAMETAG_UPDATE_THRESHOLD = 0.3f;
+const F32 NAMETAG_VERTICAL_SCREEN_OFFSET = 25.f;
+const F32 NAMETAG_VERT_OFFSET_WEIGHT = 0.17f;
 
 const LLColor4 DUMMY_COLOR = LLColor4(0.5,0.5,0.5,1.0);
 
@@ -222,55 +226,62 @@ struct LLTextureMaskData
  **/
 
 //------------------------------------------------------------------------
-// LLVOBoneInfo
+// LLVOAvatarBoneInfo
 // Trans/Scale/Rot etc. info about each avatar bone.  Used by LLVOAvatarSkeleton.
 //------------------------------------------------------------------------
-class LLVOAvatarBoneInfo
+struct LLVOAvatarCollisionVolumeInfo : public LLInitParam::Block<LLVOAvatarCollisionVolumeInfo>
 {
-	friend class LLVOAvatar;
-	friend class LLVOAvatarSkeletonInfo;
-public:
-	LLVOAvatarBoneInfo() : mIsJoint(FALSE) {}
-	~LLVOAvatarBoneInfo()
+	LLVOAvatarCollisionVolumeInfo() 
+	:	name("name"),
+		pos("pos"),
+		rot("rot"),
+		scale("scale")
+	{}
+
+	Mandatory<std::string>	name;
+	Mandatory<LLVector3>	pos,
+							rot,
+							scale;
+};
+
+struct LLVOAvatarChildJoint : public LLInitParam::ChoiceBlock<LLVOAvatarChildJoint>
 	{
-		std::for_each(mChildList.begin(), mChildList.end(), DeletePointer());
-	}
-	BOOL parseXml(LLXmlTreeNode* node);
+	Alternative<Lazy<struct LLVOAvatarBoneInfo, IS_A_BLOCK> >	bone;
+	Alternative<LLVOAvatarCollisionVolumeInfo>		collision_volume;
 	
-private:
-	std::string mName;
-	BOOL mIsJoint;
-	LLVector3 mPos;
-	LLVector3 mRot;
-	LLVector3 mScale;
-	LLVector3 mPivot;
-	typedef std::vector<LLVOAvatarBoneInfo*> child_list_t;
-	child_list_t mChildList;
+	LLVOAvatarChildJoint()
+	:	bone("bone"),
+		collision_volume("collision_volume")
+	{}
+};
+
+struct LLVOAvatarBoneInfo : public LLInitParam::Block<LLVOAvatarBoneInfo, LLVOAvatarCollisionVolumeInfo>
+{
+	LLVOAvatarBoneInfo() 
+	:	pivot("pivot")
+	{}
+	
+	Mandatory<LLVector3>					pivot;
+	Multiple<LLVOAvatarChildJoint>			children;
 };
 
 //------------------------------------------------------------------------
 // LLVOAvatarSkeletonInfo
 // Overall avatar skeleton
 //------------------------------------------------------------------------
-class LLVOAvatarSkeletonInfo
+struct LLVOAvatarSkeletonInfo : public LLInitParam::Block<LLVOAvatarSkeletonInfo>
 {
-	friend class LLVOAvatar;
-public:
-	LLVOAvatarSkeletonInfo() :
-		mNumBones(0), mNumCollisionVolumes(0) {}
-	~LLVOAvatarSkeletonInfo()
-	{
-		std::for_each(mBoneInfoList.begin(), mBoneInfoList.end(), DeletePointer());
-	}
-	BOOL parseXml(LLXmlTreeNode* node);
-	S32 getNumBones() const { return mNumBones; }
-	S32 getNumCollisionVolumes() const { return mNumCollisionVolumes; }
+	LLVOAvatarSkeletonInfo()
+	:	skeleton_root(""),
+		num_bones("num_bones"),
+		num_collision_volumes("num_collision_volumes"),
+		version("version")
+	{}
 	
-private:
-	S32 mNumBones;
-	S32 mNumCollisionVolumes;
-	typedef std::vector<LLVOAvatarBoneInfo*> bone_info_list_t;
-	bone_info_list_t mBoneInfoList;
+	Mandatory<std::string>			version;
+	Mandatory<S32>					num_bones,
+									num_collision_volumes;
+	Mandatory<LLVOAvatarChildJoint>	skeleton_root;
 };
 
 //-----------------------------------------------------------------------------
@@ -595,7 +606,7 @@ private:
 // Static Data
 //-----------------------------------------------------------------------------
 LLXmlTree LLVOAvatar::sXMLTree;
-LLXmlTree LLVOAvatar::sSkeletonXMLTree;
+LLXMLNodePtr LLVOAvatar::sSkeletonXMLTree;
 LLVOAvatarSkeletonInfo* LLVOAvatar::sAvatarSkeletonInfo = NULL;
 LLVOAvatar::LLVOAvatarXmlInfo* LLVOAvatar::sAvatarXmlInfo = NULL;
 LLVOAvatarDictionary *LLVOAvatar::sAvatarDictionary = NULL;
@@ -667,7 +678,7 @@ LLVOAvatar::LLVOAvatar(const LLUUID& id,
 	mNameString(),
 	mTitle(),
 	mNameAway(false),
-	mNameBusy(false),
+	mNameDoNotDisturb(false),
 	mNameMute(false),
 	mNameAppearance(false),
 	mNameFriend(false),
@@ -805,14 +816,14 @@ void LLVOAvatar::debugAvatarRezTime(std::string notification_name, std::string c
 //------------------------------------------------------------------------
 LLVOAvatar::~LLVOAvatar()
 {
-	if (!mFullyLoaded)
-	{
+		if (!mFullyLoaded)
+		{
 		debugAvatarRezTime("AvatarRezLeftCloudNotification","left after ruth seconds as cloud");
-	}
-	else
-	{
+		}
+		else
+		{
 		debugAvatarRezTime("AvatarRezLeftNotification","left sometime after declouding");
-	}
+		}
 
 	lldebugs << "LLVOAvatar Destructor (0x" << this << ") id:" << mID << llendl;
 
@@ -1214,18 +1225,6 @@ void LLVOAvatar::initClass()
 		llerrs << "Error parsing skeleton file: " << skeleton_path << llendl;
 	}
 
-	// Process XML data
-
-	// avatar_skeleton.xml
-	if (sAvatarSkeletonInfo)
-	{ //this can happen if a login attempt failed
-		delete sAvatarSkeletonInfo;
-	}
-	sAvatarSkeletonInfo = new LLVOAvatarSkeletonInfo;
-	if (!sAvatarSkeletonInfo->parseXml(sSkeletonXMLTree.getRoot()))
-	{
-		llerrs << "Error parsing skeleton XML file: " << skeleton_path << llendl;
-	}
 	// parse avatar_lad.xml
 	if (sAvatarXmlInfo)
 	{ //this can happen if a login attempt failed
@@ -1274,7 +1273,7 @@ void LLVOAvatar::initClass()
 void LLVOAvatar::cleanupClass()
 {
 	deleteAndClear(sAvatarXmlInfo);
-	sSkeletonXMLTree.cleanup();
+	sSkeletonXMLTree = NULL;
 	sXMLTree.cleanup();
 }
 
@@ -1357,7 +1356,7 @@ void LLVOAvatar::initInstance(void)
 	if (LLCharacter::sInstances.size() == 1)
 	{
 		LLKeyframeMotion::setVFS(gStaticVFS);
-		registerMotion( ANIM_AGENT_BUSY,					LLNullMotion::create );
+		registerMotion( ANIM_AGENT_DO_NOT_DISTURB,					LLNullMotion::create );
 		registerMotion( ANIM_AGENT_CROUCH,					LLKeyframeStandMotion::create );
 		registerMotion( ANIM_AGENT_CROUCHWALK,				LLKeyframeWalkMotion::create );
 		registerMotion( ANIM_AGENT_EXPRESS_AFRAID,			LLEmote::create );
@@ -1744,33 +1743,39 @@ BOOL LLVOAvatar::parseSkeletonFile(const std::string& filename)
 	//-------------------------------------------------------------------------
 	// parse the file
 	//-------------------------------------------------------------------------
-	BOOL parsesuccess = sSkeletonXMLTree.parseFile( filename, FALSE );
 
-	if (!parsesuccess)
+	LLXMLNodePtr skeleton_xml;
+	BOOL parsesuccess = LLXMLNode::parseFile(filename, skeleton_xml, NULL);
+
+	if (!parsesuccess || skeleton_xml.isNull())
 	{
 		llerrs << "Can't parse skeleton file: " << filename << llendl;
 		return FALSE;
 	}
 
-	// now sanity check xml file
-	LLXmlTreeNode* root = sSkeletonXMLTree.getRoot();
-	if (!root) 
+	// Process XML data
+	if (sAvatarSkeletonInfo)
+	{ //this can happen if a login attempt failed
+		delete sAvatarSkeletonInfo;
+	}
+	sAvatarSkeletonInfo = new LLVOAvatarSkeletonInfo;
+
+	LLXUIParser parser;
+	parser.readXUI(skeleton_xml, *sAvatarSkeletonInfo, filename);
+	if (!sAvatarSkeletonInfo->validateBlock())
 	{
-		llerrs << "No root node found in avatar skeleton file: " << filename << llendl;
-		return FALSE;
+		llerrs << "Error parsing skeleton XML file: " << filename << llendl;
 	}
 
-	if( !root->hasName( "linden_skeleton" ) )
+	if( !skeleton_xml->hasName( "linden_skeleton" ) )
 	{
 		llerrs << "Invalid avatar skeleton file header: " << filename << llendl;
 		return FALSE;
 	}
 
-	std::string version;
-	static LLStdStringHandle version_string = LLXmlTree::addAttributeString("version");
-	if( !root->getFastAttributeString( version_string, version ) || (version != "1.0") )
+	if (sAvatarSkeletonInfo->version() != "1.0")
 	{
-		llerrs << "Invalid avatar skeleton file version: " << version << " in file: " << filename << llendl;
+		llerrs << "Invalid avatar skeleton file version: " << sAvatarSkeletonInfo->version() << " in file: " << filename << llendl;
 		return FALSE;
 	}
 
@@ -1779,14 +1784,13 @@ BOOL LLVOAvatar::parseSkeletonFile(const std::string& filename)
 
 //-----------------------------------------------------------------------------
 // setupBone()
-//-----------------------------------------------------------------------------
-BOOL LLVOAvatar::setupBone(const LLVOAvatarBoneInfo* info, LLViewerJoint* parent, S32 &volume_num, S32 &joint_num)
+//-----------------------------------------------------------
+BOOL LLVOAvatar::setupBone(const LLVOAvatarChildJoint& info, LLViewerJoint* parent, S32 &volume_num, S32 &joint_num)
 {
 	LLMemType mt(LLMemType::MTYPE_AVATAR);
 	
 	LLViewerJoint* joint = NULL;
-
-	if (info->mIsJoint)
+	if (info.bone.isChosen())
 	{
 		joint = (LLViewerJoint*)getCharacterJoint(joint_num);
 		if (!joint)
@@ -1794,7 +1798,23 @@ BOOL LLVOAvatar::setupBone(const LLVOAvatarBoneInfo* info, LLViewerJoint* parent
 			llwarns << "Too many bones" << llendl;
 			return FALSE;
 		}
-		joint->setName( info->mName );
+		joint->setName( info.bone().name );
+		joint->setPosition(info.bone().pos);
+		joint->setRotation(mayaQ(info.bone().rot().mV[VX], info.bone().rot().mV[VY], info.bone().rot().mV[VZ], LLQuaternion::XYZ));
+		joint->setScale(info.bone().scale);
+		joint->setSkinOffset( info.bone().pivot );
+		joint_num++;
+
+		for (LLInitParam::ParamIterator<LLVOAvatarChildJoint>::const_iterator child_it = info.bone().children.begin(),
+				end_it = info.bone().children.end();
+			child_it != end_it;
+			++child_it)
+		{
+			if (!setupBone(*child_it, joint, volume_num, joint_num))
+			{
+				return FALSE;
+			}
+	}
 	}
 	else // collision volume
 	{
@@ -1804,7 +1824,11 @@ BOOL LLVOAvatar::setupBone(const LLVOAvatarBoneInfo* info, LLViewerJoint* parent
 			return FALSE;
 		}
 		joint = (LLViewerJoint*)(&mCollisionVolumes[volume_num]);
-		joint->setName( info->mName );
+		joint->setName( info.collision_volume.name);
+		joint->setPosition(info.collision_volume.pos);
+		joint->setRotation(mayaQ(info.collision_volume.rot().mV[VX], info.collision_volume.rot().mV[VY], info.collision_volume.rot().mV[VZ], LLQuaternion::XYZ));
+		joint->setScale(info.collision_volume.scale);
+		volume_num++;
 	}
 
 	// add to parent
@@ -1813,34 +1837,8 @@ BOOL LLVOAvatar::setupBone(const LLVOAvatarBoneInfo* info, LLViewerJoint* parent
 		parent->addChild( joint );
 	}
 
-	joint->setPosition(info->mPos);
-	joint->setRotation(mayaQ(info->mRot.mV[VX], info->mRot.mV[VY],
-							 info->mRot.mV[VZ], LLQuaternion::XYZ));
-	joint->setScale(info->mScale);
-
 	joint->setDefaultFromCurrentXform();
 	
-	if (info->mIsJoint)
-	{
-		joint->setSkinOffset( info->mPivot );
-		joint_num++;
-	}
-	else // collision volume
-	{
-		volume_num++;
-	}
-
-	// setup children
-	LLVOAvatarBoneInfo::child_list_t::const_iterator iter;
-	for (iter = info->mChildList.begin(); iter != info->mChildList.end(); ++iter)
-	{
-		LLVOAvatarBoneInfo *child_info = *iter;
-		if (!setupBone(child_info, joint, volume_num, joint_num))
-		{
-			return FALSE;
-		}
-	}
-
 	return TRUE;
 }
 
@@ -1854,36 +1852,32 @@ BOOL LLVOAvatar::buildSkeleton(const LLVOAvatarSkeletonInfo *info)
 	//-------------------------------------------------------------------------
 	// allocate joints
 	//-------------------------------------------------------------------------
-	if (!allocateCharacterJoints(info->mNumBones))
+	if (!allocateCharacterJoints(info->num_bones))
 	{
-		llerrs << "Can't allocate " << info->mNumBones << " joints" << llendl;
+		llerrs << "Can't allocate " << info->num_bones() << " joints" << llendl;
 		return FALSE;
 	}
 	
 	//-------------------------------------------------------------------------
 	// allocate volumes
 	//-------------------------------------------------------------------------
-	if (info->mNumCollisionVolumes)
+	if (info->num_collision_volumes)
 	{
-		if (!allocateCollisionVolumes(info->mNumCollisionVolumes))
+		if (!allocateCollisionVolumes(info->num_collision_volumes))
 		{
-			llerrs << "Can't allocate " << info->mNumCollisionVolumes << " collision volumes" << llendl;
+			llerrs << "Can't allocate " << info->num_collision_volumes() << " collision volumes" << llendl;
 			return FALSE;
 		}
 	}
 
 	S32 current_joint_num = 0;
 	S32 current_volume_num = 0;
-	LLVOAvatarSkeletonInfo::bone_info_list_t::const_iterator iter;
-	for (iter = info->mBoneInfoList.begin(); iter != info->mBoneInfoList.end(); ++iter)
+
+	if (!setupBone(info->skeleton_root, NULL, current_volume_num, current_joint_num))
 	{
-		LLVOAvatarBoneInfo *info = *iter;
-		if (!setupBone(info, NULL, current_volume_num, current_joint_num))
-		{
 			llerrs << "Error parsing bone in skeleton file" << llendl;
 			return FALSE;
 		}
-	}
 
 	return TRUE;
 }
@@ -2096,15 +2090,15 @@ void LLVOAvatar::releaseMeshData()
 		LLFace* facep = mDrawable->getFace(0);
 		if (facep)
 		{
-			facep->setSize(0, 0);
-			for(S32 i = mNumInitFaces ; i < mDrawable->getNumFaces(); i++)
-			{
-				facep = mDrawable->getFace(i);
+		facep->setSize(0, 0);
+		for(S32 i = mNumInitFaces ; i < mDrawable->getNumFaces(); i++)
+		{
+			facep = mDrawable->getFace(i);
 				if (facep)
 				{
-					facep->setSize(0, 0);
-				}
-			}
+			facep->setSize(0, 0);
+		}
+	}
 		}
 	}
 	
@@ -2353,11 +2347,11 @@ U32 LLVOAvatar::processUpdateMessage(LLMessageSystem *mesgsys,
 	U32 retval = LLViewerObject::processUpdateMessage(mesgsys, user_data, block_num, update_type, dp);
 
 	// Print out arrival information once we have name of avatar.
-	if (has_name && getNVPair("FirstName"))
-	{
-		mDebugExistenceTimer.reset();
+		if (has_name && getNVPair("FirstName"))
+		{
+			mDebugExistenceTimer.reset();
 		debugAvatarRezTime("AvatarRezArrivedNotification","avatar arrived");
-	}
+		}
 
 	if(retval & LLViewerObject::INVALID_UPDATE)
 	{
@@ -2866,8 +2860,8 @@ void LLVOAvatar::idleUpdateLoadingEffect()
 		{
 			LL_INFOS("Avatar") << avString() << "self isFullyLoaded, mFirstFullyVisible" << LL_ENDL;
 			mFirstFullyVisible = FALSE;
-			LLAppearanceMgr::instance().onFirstFullyVisible();
-		}
+				LLAppearanceMgr::instance().onFirstFullyVisible();
+			}
 		if (isFullyLoaded() && mFirstFullyVisible && !isSelf())
 		{
 			LL_INFOS("Avatar") << avString() << "other isFullyLoaded, mFirstFullyVisible" << LL_ENDL;
@@ -3015,43 +3009,43 @@ void LLVOAvatar::idleUpdateNameTag(const LLVector3& root_pos_last)
 		return;
 	}
 
-	BOOL new_name = FALSE;
-	if (visible_chat != mVisibleChat)
-	{
-		mVisibleChat = visible_chat;
-		new_name = TRUE;
-	}
-		
-	if (sRenderGroupTitles != mRenderGroupTitles)
-	{
-		mRenderGroupTitles = sRenderGroupTitles;
-		new_name = TRUE;
-	}
-
-	// First Calculate Alpha
-	// If alpha > 0, create mNameText if necessary, otherwise delete it
-	F32 alpha = 0.f;
-	if (mAppAngle > 5.f)
-	{
-		const F32 START_FADE_TIME = NAME_SHOW_TIME - FADE_DURATION;
-		if (!visible_chat && sRenderName == RENDER_NAME_FADE && time_visible > START_FADE_TIME)
+		BOOL new_name = FALSE;
+		if (visible_chat != mVisibleChat)
 		{
-			alpha = 1.f - (time_visible - START_FADE_TIME) / FADE_DURATION;
+			mVisibleChat = visible_chat;
+			new_name = TRUE;
 		}
-		else
+		
+		if (sRenderGroupTitles != mRenderGroupTitles)
 		{
-			// ...not fading, full alpha
-			alpha = 1.f;
+			mRenderGroupTitles = sRenderGroupTitles;
+			new_name = TRUE;
 		}
-	}
-	else if (mAppAngle > 2.f)
-	{
-		// far away is faded out also
-		alpha = (mAppAngle-2.f)/3.f;
-	}
+
+		// First Calculate Alpha
+		// If alpha > 0, create mNameText if necessary, otherwise delete it
+			F32 alpha = 0.f;
+			if (mAppAngle > 5.f)
+			{
+				const F32 START_FADE_TIME = NAME_SHOW_TIME - FADE_DURATION;
+				if (!visible_chat && sRenderName == RENDER_NAME_FADE && time_visible > START_FADE_TIME)
+				{
+					alpha = 1.f - (time_visible - START_FADE_TIME) / FADE_DURATION;
+				}
+				else
+				{
+					// ...not fading, full alpha
+					alpha = 1.f;
+				}
+			}
+			else if (mAppAngle > 2.f)
+			{
+				// far away is faded out also
+				alpha = (mAppAngle-2.f)/3.f;
+			}
 
 	if (alpha <= 0.f)
-	{
+			{
 		if (mNameText)
 		{
 			mNameText->markDead();
@@ -3061,22 +3055,21 @@ void LLVOAvatar::idleUpdateNameTag(const LLVector3& root_pos_last)
 		return;
 	}
 
-	if (!mNameText)
-	{
+				if (!mNameText)
+				{
 		mNameText = static_cast<LLHUDNameTag*>( LLHUDObject::addHUDObject(
-													LLHUDObject::LL_HUD_NAME_TAG) );
+			LLHUDObject::LL_HUD_NAME_TAG) );
 		//mNameText->setMass(10.f);
-		mNameText->setSourceObject(this);
+					mNameText->setSourceObject(this);
 		mNameText->setVertAlignment(LLHUDNameTag::ALIGN_VERT_TOP);
-		mNameText->setVisibleOffScreen(TRUE);
-		mNameText->setMaxLines(11);
-		mNameText->setFadeDistance(CHAT_NORMAL_RADIUS, 5.f);
-		sNumVisibleChatBubbles++;
-		new_name = TRUE;
-	}
+					mNameText->setVisibleOffScreen(TRUE);
+					mNameText->setMaxLines(11);
+					mNameText->setFadeDistance(CHAT_NORMAL_RADIUS, 5.f);
+					sNumVisibleChatBubbles++;
+					new_name = TRUE;
+				}
 				
-	LLVector3 name_position = idleUpdateNameTagPosition(root_pos_last);
-	mNameText->setPositionAgent(name_position);				
+	idleUpdateNameTagPosition(root_pos_last);
 	idleUpdateNameTagText(new_name);			
 	idleUpdateNameTagAlpha(new_name, alpha);
 }
@@ -3091,7 +3084,7 @@ void LLVOAvatar::idleUpdateNameTagText(BOOL new_name)
 	if (!firstname || !lastname) return;
 
 	bool is_away = mSignaledAnimations.find(ANIM_AGENT_AWAY)  != mSignaledAnimations.end();
-	bool is_busy = mSignaledAnimations.find(ANIM_AGENT_BUSY) != mSignaledAnimations.end();
+	bool is_do_not_disturb = mSignaledAnimations.find(ANIM_AGENT_DO_NOT_DISTURB) != mSignaledAnimations.end();
 	bool is_appearance = mSignaledAnimations.find(ANIM_AGENT_CUSTOMIZE) != mSignaledAnimations.end();
 	bool is_muted;
 	if (isSelf())
@@ -3123,7 +3116,7 @@ void LLVOAvatar::idleUpdateNameTagText(BOOL new_name)
 		|| (!title && !mTitle.empty())
 		|| (title && mTitle != title->getString())
 		|| is_away != mNameAway 
-		|| is_busy != mNameBusy 
+		|| is_do_not_disturb != mNameDoNotDisturb 
 		|| is_muted != mNameMute
 		|| is_appearance != mNameAppearance 
 		|| is_friend != mNameFriend
@@ -3133,7 +3126,7 @@ void LLVOAvatar::idleUpdateNameTagText(BOOL new_name)
 
 		clearNameTag();
 
-		if (is_away || is_muted || is_busy || is_appearance)
+		if (is_away || is_muted || is_do_not_disturb || is_appearance)
 		{
 			std::string line;
 			if (is_away)
@@ -3141,9 +3134,9 @@ void LLVOAvatar::idleUpdateNameTagText(BOOL new_name)
 				line += LLTrans::getString("AvatarAway");
 				line += ", ";
 			}
-			if (is_busy)
+			if (is_do_not_disturb)
 			{
-				line += LLTrans::getString("AvatarBusy");
+				line += LLTrans::getString("AvatarDoNotDisturb");
 				line += ", ";
 			}
 			if (is_muted)
@@ -3164,7 +3157,7 @@ void LLVOAvatar::idleUpdateNameTagText(BOOL new_name)
 			// trim last ", "
 			line.resize( line.length() - 2 );
 			addNameTagLine(line, name_tag_color, LLFontGL::NORMAL,
-						   LLFontGL::getFontSansSerifSmall());
+				LLFontGL::getFontSansSerifSmall());
 		}
 
 		if (sRenderGroupTitles
@@ -3173,48 +3166,46 @@ void LLVOAvatar::idleUpdateNameTagText(BOOL new_name)
 			std::string title_str = title->getString();
 			LLStringFn::replace_ascii_controlchars(title_str,LL_UNKNOWN_CHAR);
 			addNameTagLine(title_str, name_tag_color, LLFontGL::NORMAL,
-						   LLFontGL::getFontSansSerifSmall());
+				LLFontGL::getFontSansSerifSmall());
 		}
 
 		static LLUICachedControl<bool> show_display_names("NameTagShowDisplayNames");
 		static LLUICachedControl<bool> show_usernames("NameTagShowUsernames");
 
-		if (LLAvatarNameCache::useDisplayNames())
+		if (LLAvatarName::useDisplayNames())
 		{
 			LLAvatarName av_name;
 			if (!LLAvatarNameCache::get(getID(), &av_name))
 			{
-				// ...call this function back when the name arrives
-				// and force a rebuild
-				LLAvatarNameCache::get(getID(),
-									   boost::bind(&LLVOAvatar::clearNameTag, this));
+				// Force a rebuild at next idle
+				// Note: do not connect a callback on idle().
+				clearNameTag();
 			}
 
 			// Might be blank if name not available yet, that's OK
 			if (show_display_names)
 			{
-				addNameTagLine(av_name.mDisplayName, name_tag_color, LLFontGL::NORMAL,
-							   LLFontGL::getFontSansSerif());
+				addNameTagLine(av_name.getDisplayName(), name_tag_color, LLFontGL::NORMAL,
+					LLFontGL::getFontSansSerif());
 			}
 			// Suppress SLID display if display name matches exactly (ugh)
-			if (show_usernames && !av_name.mIsDisplayNameDefault)
+			if (show_usernames && !av_name.isDisplayNameDefault())
 			{
 				// *HACK: Desaturate the color
 				LLColor4 username_color = name_tag_color * 0.83f;
-				addNameTagLine(av_name.mUsername, username_color, LLFontGL::NORMAL,
-							   LLFontGL::getFontSansSerifSmall());
+				addNameTagLine(av_name.getUserName(), username_color, LLFontGL::NORMAL,
+					LLFontGL::getFontSansSerifSmall());
 			}
 		}
 		else
 		{
 			const LLFontGL* font = LLFontGL::getFontSansSerif();
-			std::string full_name =
-				LLCacheName::buildFullName( firstname->getString(), lastname->getString() );
+			std::string full_name = LLCacheName::buildFullName( firstname->getString(), lastname->getString() );
 			addNameTagLine(full_name, name_tag_color, LLFontGL::NORMAL, font);
 		}
 
 		mNameAway = is_away;
-		mNameBusy = is_busy;
+		mNameDoNotDisturb = is_do_not_disturb;
 		mNameMute = is_muted;
 		mNameAppearance = is_appearance;
 		mNameFriend = is_friend;
@@ -3229,7 +3220,7 @@ void LLVOAvatar::idleUpdateNameTagText(BOOL new_name)
 		mNameText->setFont(LLFontGL::getFontSansSerif());
 		mNameText->setTextAlignment(LLHUDNameTag::ALIGN_TEXT_LEFT);
 		mNameText->setFadeDistance(CHAT_NORMAL_RADIUS * 2.f, 5.f);
-			
+
 		char line[MAX_STRING];		/* Flawfinder: ignore */
 		line[0] = '\0';
 		std::deque<LLChat>::iterator chat_iter = mChats.begin();
@@ -3249,13 +3240,13 @@ void LLVOAvatar::idleUpdateNameTagText(BOOL new_name)
 			LLFontGL::StyleFlags style;
 			switch(chat_iter->mChatType)
 			{
-				case CHAT_TYPE_WHISPER:
+			case CHAT_TYPE_WHISPER:
 				style = LLFontGL::ITALIC;
 				break;
-				case CHAT_TYPE_SHOUT:
+			case CHAT_TYPE_SHOUT:
 				style = LLFontGL::BOLD;
 				break;
-				default:
+			default:
 				style = LLFontGL::NORMAL;
 				break;
 			}
@@ -3282,13 +3273,13 @@ void LLVOAvatar::idleUpdateNameTagText(BOOL new_name)
 			S32 dot_count = (llfloor(mTypingTimer.getElapsedTimeF32() * 3.f) + 2) % 3 + 1;
 			switch(dot_count)
 			{
-				case 1:
+			case 1:
 				mNameText->addLine(".", new_chat);
 				break;
-				case 2:
+			case 2:
 				mNameText->addLine("..", new_chat);
 				break;
-				case 3:
+			case 3:
 				mNameText->addLine("...", new_chat);
 				break;
 			}
@@ -3352,34 +3343,45 @@ void LLVOAvatar::invalidateNameTags()
 		if (avatar->isDead()) continue;
 
 		avatar->clearNameTag();
-
 	}
 }
 
 // Compute name tag position during idle update
-LLVector3 LLVOAvatar::idleUpdateNameTagPosition(const LLVector3& root_pos_last)
+void LLVOAvatar::idleUpdateNameTagPosition(const LLVector3& root_pos_last)
 {
 	LLQuaternion root_rot = mRoot.getWorldRotation();
+	LLQuaternion inv_root_rot = ~root_rot;
 	LLVector3 pixel_right_vec;
 	LLVector3 pixel_up_vec;
 	LLViewerCamera::getInstance()->getPixelVectors(root_pos_last, pixel_up_vec, pixel_right_vec);
 	LLVector3 camera_to_av = root_pos_last - LLViewerCamera::getInstance()->getOrigin();
 	camera_to_av.normalize();
-	LLVector3 local_camera_at = camera_to_av * ~root_rot;
+	LLVector3 local_camera_at = camera_to_av * inv_root_rot;
 	LLVector3 local_camera_up = camera_to_av % LLViewerCamera::getInstance()->getLeftAxis();
 	local_camera_up.normalize();
-	local_camera_up = local_camera_up * ~root_rot;
+	local_camera_up = local_camera_up * inv_root_rot;
 
-	local_camera_up.scaleVec(mBodySize * 0.5f);
-	local_camera_at.scaleVec(mBodySize * 0.5f);
+	LLVector3 avatar_ellipsoid(mBodySize.mV[VX] * 0.4f,
+								mBodySize.mV[VY] * 0.4f,
+								mBodySize.mV[VZ] * NAMETAG_VERT_OFFSET_WEIGHT);
 
-	LLVector3 name_position = mRoot.getWorldPosition();
-	name_position[VZ] -= mPelvisToFoot;
-	name_position[VZ] += (mBodySize[VZ]* 0.55f);
+	local_camera_up.scaleVec(avatar_ellipsoid);
+	local_camera_at.scaleVec(avatar_ellipsoid);
+
+	LLVector3 head_offset = (mHeadp->getLastWorldPosition() - mRoot.getLastWorldPosition()) * inv_root_rot;
+
+	if (dist_vec(head_offset, mTargetRootToHeadOffset) > NAMETAG_UPDATE_THRESHOLD)
+	{
+		mTargetRootToHeadOffset = head_offset;
+	}
+	
+	mCurRootToHeadOffset = lerp(mCurRootToHeadOffset, mTargetRootToHeadOffset, LLCriticalDamp::getInterpolant(0.2f));
+
+	LLVector3 name_position = mRoot.getLastWorldPosition() + (mCurRootToHeadOffset * root_rot);
 	name_position += (local_camera_up * root_rot) - (projected_vec(local_camera_at * root_rot, camera_to_av));	
-	name_position += pixel_up_vec * 15.f;
+	name_position += pixel_up_vec * NAMETAG_VERTICAL_SCREEN_OFFSET;
 
-	return name_position;
+	mNameText->setPositionAgent(name_position);				
 }
 
 void LLVOAvatar::idleUpdateNameTagAlpha(BOOL new_name, F32 alpha)
@@ -3402,20 +3404,18 @@ LLColor4 LLVOAvatar::getNameTagColor(bool is_friend)
 	{
 		color_name = "NameTagFriend";
 	}
-	else if (LLAvatarNameCache::useDisplayNames())
+	else if (LLAvatarName::useDisplayNames())
 	{
-		// ...color based on whether username "matches" a computed display
-		// name
+		// ...color based on whether username "matches" a computed display name
 		LLAvatarName av_name;
-		if (LLAvatarNameCache::get(getID(), &av_name)
-			&& av_name.mIsDisplayNameDefault)
+		if (LLAvatarNameCache::get(getID(), &av_name) && av_name.isDisplayNameDefault())
 		{
 			color_name = "NameTagMatch";
 		}
 		else
 		{
 			color_name = "NameTagMismatch";
-	}
+		}
 	}
 	else
 	{
@@ -3452,9 +3452,9 @@ bool LLVOAvatar::isVisuallyMuted() const
 	static LLCachedControl<U32> max_attachment_bytes(gSavedSettings, "RenderAutoMuteByteLimit");
 	static LLCachedControl<F32> max_attachment_area(gSavedSettings, "RenderAutoMuteSurfaceAreaLimit");
 	
-	return LLMuteList::getInstance()->isMuted(getID()) ||
-			(mAttachmentGeometryBytes > max_attachment_bytes && max_attachment_bytes > 0) ||
-			(mAttachmentSurfaceArea > max_attachment_area && max_attachment_area > 0.f);
+	return LLMuteList::getInstance()->isMuted(getID()) 
+			|| (mAttachmentGeometryBytes > max_attachment_bytes && max_attachment_bytes > 0) 
+			|| (mAttachmentSurfaceArea > max_attachment_area && max_attachment_area > 0.f);
 }
 
 //------------------------------------------------------------------------
@@ -3495,8 +3495,6 @@ BOOL LLVOAvatar::updateCharacter(LLAgent &agent)
 		}
 	}
 
-	LLVector3d root_pos_global;
-
 	if (!mIsBuilt)
 	{
 		return FALSE;
@@ -3511,7 +3509,6 @@ BOOL LLVOAvatar::updateCharacter(LLAgent &agent)
 		mTimeVisible.reset();
 	}
 
-	
 	//--------------------------------------------------------------------
 	// the rest should only be done occasionally for far away avatars
 	//--------------------------------------------------------------------
@@ -3914,10 +3911,6 @@ BOOL LLVOAvatar::updateCharacter(LLAgent &agent)
 
 		if ( playSound )
 		{
-//			F32 gain = clamp_rescale( mSpeedAccum,
-//							AUDIO_STEP_LO_SPEED, AUDIO_STEP_HI_SPEED,
-//							AUDIO_STEP_LO_GAIN, AUDIO_STEP_HI_GAIN );
-
 			const F32 STEP_VOLUME = 0.1f;
 			const LLUUID& step_sound_id = getStepSound();
 
@@ -4134,13 +4127,6 @@ void LLVOAvatar::updateVisibility()
 		{
 			releaseMeshData();
 		}
-		// this breaks off-screen chat bubbles
-		//if (mNameText)
-		//{
-		//	mNameText->markDead();
-		//	mNameText = NULL;
-		//	sNumVisibleChatBubbles--;
-		//}
 	}
 
 	mVisible = visible;
@@ -4156,46 +4142,6 @@ bool LLVOAvatar::shouldAlphaMask()
 
 }
 
-U32 LLVOAvatar::renderSkinnedAttachments()
-{
-	/*U32 num_indices = 0;
-	
-	const U32 data_mask =	LLVertexBuffer::MAP_VERTEX | 
-							LLVertexBuffer::MAP_NORMAL | 
-							LLVertexBuffer::MAP_TEXCOORD0 |
-							LLVertexBuffer::MAP_COLOR |
-							LLVertexBuffer::MAP_WEIGHT4;
-
-	for (attachment_map_t::const_iterator iter = mAttachmentPoints.begin(); 
-		 iter != mAttachmentPoints.end();
-		 ++iter)
-	{
-		LLViewerJointAttachment* attachment = iter->second;
-		for (LLViewerJointAttachment::attachedobjs_vec_t::iterator attachment_iter = attachment->mAttachedObjects.begin();
-			 attachment_iter != attachment->mAttachedObjects.end();
-			 ++attachment_iter)
-		{
-			const LLViewerObject* attached_object = (*attachment_iter);
-			if (attached_object && !attached_object->isHUDAttachment())
-			{
-				const LLDrawable* drawable = attached_object->mDrawable;
-				if (drawable)
-				{
-					for (S32 i = 0; i < drawable->getNumFaces(); ++i)
-					{
-						LLFace* face = drawable->getFace(i);
-						if (face->isState(LLFace::RIGGED))
-						{
-							
-				}
-			}
-		}
-	}
-
-	return num_indices;*/
-	return 0;
-}
-
 //-----------------------------------------------------------------------------
 // renderSkinned()
 //-----------------------------------------------------------------------------
@@ -4216,11 +4162,11 @@ U32 LLVOAvatar::renderSkinned(EAvatarRenderPass pass)
 	{	//LOD changed or new mesh created, allocate new vertex buffer if needed
 		if (needs_rebuild || mDirtyMesh >= 2 || mVisibilityRank <= 4)
 		{
-			updateMeshData();
+		updateMeshData();
 			mDirtyMesh = 0;
-			mNeedsSkin = TRUE;
-			mDrawable->clearState(LLDrawable::REBUILD_GEOMETRY);
-		}
+		mNeedsSkin = TRUE;
+		mDrawable->clearState(LLDrawable::REBUILD_GEOMETRY);
+	}
 	}
 
 	if (LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_AVATAR) <= 0)
@@ -4249,13 +4195,13 @@ U32 LLVOAvatar::renderSkinned(EAvatarRenderPass pass)
 			if (face)
 			{
 				LLVertexBuffer* vb = face->getVertexBuffer();
-				if (vb)
-				{
-					vb->flush();
-				}
+			if (vb)
+			{
+				vb->flush();
 			}
 		}
 	}
+	}
 	else
 	{
 		mNeedsSkin = FALSE;
@@ -5913,7 +5859,6 @@ BOOL LLVOAvatar::updateJointLODs()
 	F32 avatar_num_factor = clamp_rescale((F32)sNumVisibleAvatars, 8, 25, 1.f, avatar_num_min_factor);
 	F32 area_scale = 0.16f;
 
-	{
 		if (isSelf())
 		{
 			if(gAgentCamera.cameraCustomizeAvatar() || gAgentCamera.cameraMouselook())
@@ -5943,7 +5888,6 @@ BOOL LLVOAvatar::updateJointLODs()
 			dirtyMesh(2);
 			return TRUE;
 		}
-	}
 
 	return FALSE;
 }
@@ -6232,14 +6176,9 @@ void LLVOAvatar::cleanupAttachedMesh( LLViewerObject* pVO )
 		if ( pVObj )
 		{
 			const LLMeshSkinInfo* pSkinData = gMeshRepo.getSkinInfo( pVObj->getVolume()->getParams().getSculptID(), pVObj );
-			if ( pSkinData )
-			{
-				const int jointCnt = pSkinData->mJointNames.size();
-				bool fullRig = ( jointCnt>=20 ) ? true : false;
-				if ( fullRig )
-				{
-					const int bindCnt = pSkinData->mAlternateBindMatrix.size();							
-					if ( bindCnt > 0 )
+			if (pSkinData 
+				&& pSkinData->mJointNames.size() > 20				// full rig
+				&& pSkinData->mAlternateBindMatrix.size() > 0)
 					{
 						LLVOAvatar::resetJointPositionsToDefault();
 						//Need to handle the repositioning of the cam, updating rig data etc during outfit editing 
@@ -6254,8 +6193,6 @@ void LLVOAvatar::cleanupAttachedMesh( LLViewerObject* pVO )
 				}
 			}				
 		}
-	}	
-}
 //-----------------------------------------------------------------------------
 // detachObject()
 //-----------------------------------------------------------------------------
@@ -6404,11 +6341,7 @@ void LLVOAvatar::getOffObject()
 		at_axis.mV[VZ] = 0.f;
 		at_axis.normalize();
 		gAgent.resetAxes(at_axis);
-
-		//reset orientation
-//		mRoot.setRotation(avWorldRot);
 		gAgentCamera.setThirdPersonHeadOffset(LLVector3(0.f, 0.f, 1.f));
-
 		gAgentCamera.setSitCamera(LLUUID::null);
 	}
 }
@@ -6458,7 +6391,6 @@ LLColor4 LLVOAvatar::getGlobalColor( const std::string& color_name ) const
 	}
 	else
 	{
-//		return LLColor4( .5f, .5f, .5f, .5f );
 		return LLColor4( 0.f, 1.f, 1.f, 1.f ); // good debugging color
 	}
 }
@@ -6623,8 +6555,8 @@ BOOL LLVOAvatar::processFullyLoadedChange(bool loading)
 	
 	mFullyLoaded = (mFullyLoadedTimer.getElapsedTimeF32() > PAUSE);
 
-	if (!mPreviousFullyLoaded && !loading && mFullyLoaded)
-	{
+		if (!mPreviousFullyLoaded && !loading && mFullyLoaded)
+		{
 		debugAvatarRezTime("AvatarRezNotification","fully loaded");
 	}
 
@@ -7217,10 +7149,6 @@ LLBBox LLVOAvatar::getHUDBBox() const
 	return bbox;
 }
 
-void LLVOAvatar::rebuildHUD()
-{
-}
-
 //-----------------------------------------------------------------------------
 // onFirstTEMessageReceived()
 //-----------------------------------------------------------------------------
@@ -7346,7 +7274,10 @@ void LLVOAvatar::processAvatarAppearance( LLMessageSystem* mesgsys )
 			&& baked_index != BAKED_SKIRT)
 		{
 			setTEImage(mBakedTextureDatas[baked_index].mTextureIndex, 
-				LLViewerTextureManager::getFetchedTexture(mBakedTextureDatas[baked_index].mLastTextureIndex, TRUE, LLViewerTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE));
+						LLViewerTextureManager::getFetchedTexture(mBakedTextureDatas[baked_index].mLastTextureIndex, 
+																TRUE, 
+																LLViewerTexture::BOOST_NONE, 
+																LLViewerTexture::LOD_TEXTURE));
 		}
 	}
 
@@ -7605,7 +7536,7 @@ void LLVOAvatar::onInitialBakedTextureLoaded( BOOL success, LLViewerFetchedTextu
 	
 	LLUUID *avatar_idp = (LLUUID *)userdata;
 	LLVOAvatar *selfp = (LLVOAvatar *)gObjectList.findObject(*avatar_idp);
-	
+
 	if (selfp)
 	{
 		LL_DEBUGS("Avatar") << selfp->avString() << "discard_level " << discard_level << " success " << success << " final " << final << LL_ENDL;
@@ -7656,13 +7587,6 @@ void LLVOAvatar::onBakedTextureLoaded(BOOL success,
 // Called when baked texture is loaded and also when we start up with a baked texture
 void LLVOAvatar::useBakedTexture( const LLUUID& id )
 {
-
-	
-	/* if(id == head_baked->getID())
-		 mHeadBakedLoaded = TRUE;
-		 mLastHeadBakedID = id;
-		 mHeadMesh0.setTexture( head_baked );
-		 mHeadMesh1.setTexture( head_baked ); */
 	for (U32 i = 0; i < mBakedTextureDatas.size(); i++)
 	{
 		LLViewerTexture* image_baked = getImage( mBakedTextureDatas[i].mTextureIndex, 0 );
@@ -7906,111 +7830,111 @@ LLVOAvatar::LLVOAvatarXmlInfo::~LLVOAvatarXmlInfo()
 	std::for_each(mMorphMaskInfoList.begin(), mMorphMaskInfoList.end(), DeletePointer());
 }
 
-//-----------------------------------------------------------------------------
-// LLVOAvatarBoneInfo::parseXml()
-//-----------------------------------------------------------------------------
-BOOL LLVOAvatarBoneInfo::parseXml(LLXmlTreeNode* node)
-{
-	if (node->hasName("bone"))
-	{
-		mIsJoint = TRUE;
-		static LLStdStringHandle name_string = LLXmlTree::addAttributeString("name");
-		if (!node->getFastAttributeString(name_string, mName))
-		{
-			llwarns << "Bone without name" << llendl;
-			return FALSE;
-		}
-	}
-	else if (node->hasName("collision_volume"))
-	{
-		mIsJoint = FALSE;
-		static LLStdStringHandle name_string = LLXmlTree::addAttributeString("name");
-		if (!node->getFastAttributeString(name_string, mName))
-		{
-			mName = "Collision Volume";
-		}
-	}
-	else
-	{
-		llwarns << "Invalid node " << node->getName() << llendl;
-		return FALSE;
-	}
-
-	static LLStdStringHandle pos_string = LLXmlTree::addAttributeString("pos");
-	if (!node->getFastAttributeVector3(pos_string, mPos))
-	{
-		llwarns << "Bone without position" << llendl;
-		return FALSE;
-	}
-
-	static LLStdStringHandle rot_string = LLXmlTree::addAttributeString("rot");
-	if (!node->getFastAttributeVector3(rot_string, mRot))
-	{
-		llwarns << "Bone without rotation" << llendl;
-		return FALSE;
-	}
-	
-	static LLStdStringHandle scale_string = LLXmlTree::addAttributeString("scale");
-	if (!node->getFastAttributeVector3(scale_string, mScale))
-	{
-		llwarns << "Bone without scale" << llendl;
-		return FALSE;
-	}
-
-	if (mIsJoint)
-	{
-		static LLStdStringHandle pivot_string = LLXmlTree::addAttributeString("pivot");
-		if (!node->getFastAttributeVector3(pivot_string, mPivot))
-		{
-			llwarns << "Bone without pivot" << llendl;
-			return FALSE;
-		}
-	}
-
-	// parse children
-	LLXmlTreeNode* child;
-	for( child = node->getFirstChild(); child; child = node->getNextChild() )
-	{
-		LLVOAvatarBoneInfo *child_info = new LLVOAvatarBoneInfo;
-		if (!child_info->parseXml(child))
-		{
-			delete child_info;
-			return FALSE;
-		}
-		mChildList.push_back(child_info);
-	}
-	return TRUE;
-}
-
-//-----------------------------------------------------------------------------
-// LLVOAvatarSkeletonInfo::parseXml()
-//-----------------------------------------------------------------------------
-BOOL LLVOAvatarSkeletonInfo::parseXml(LLXmlTreeNode* node)
-{
-	static LLStdStringHandle num_bones_string = LLXmlTree::addAttributeString("num_bones");
-	if (!node->getFastAttributeS32(num_bones_string, mNumBones))
-	{
-		llwarns << "Couldn't find number of bones." << llendl;
-		return FALSE;
-	}
-
-	static LLStdStringHandle num_collision_volumes_string = LLXmlTree::addAttributeString("num_collision_volumes");
-	node->getFastAttributeS32(num_collision_volumes_string, mNumCollisionVolumes);
-
-	LLXmlTreeNode* child;
-	for( child = node->getFirstChild(); child; child = node->getNextChild() )
-	{
-		LLVOAvatarBoneInfo *info = new LLVOAvatarBoneInfo;
-		if (!info->parseXml(child))
-		{
-			delete info;
-			llwarns << "Error parsing bone in skeleton file" << llendl;
-			return FALSE;
-		}
-		mBoneInfoList.push_back(info);
-	}
-	return TRUE;
-}
+////-----------------------------------------------------------------------------
+//// LLVOAvatarBoneInfo::parseXml()
+////-----------------------------------------------------------------------------
+//BOOL LLVOAvatarBoneInfo::parseXml(LLXmlTreeNode* node)
+//{
+//	if (node->hasName("bone"))
+//	{
+//		mIsJoint = TRUE;
+//		static LLStdStringHandle name_string = LLXmlTree::addAttributeString("name");
+//		if (!node->getFastAttributeString(name_string, mName))
+//		{
+//			llwarns << "Bone without name" << llendl;
+//			return FALSE;
+//		}
+//	}
+//	else if (node->hasName("collision_volume"))
+//	{
+//		mIsJoint = FALSE;
+//		static LLStdStringHandle name_string = LLXmlTree::addAttributeString("name");
+//		if (!node->getFastAttributeString(name_string, mName))
+//		{
+//			mName = "Collision Volume";
+//		}
+//	}
+//	else
+//	{
+//		llwarns << "Invalid node " << node->getName() << llendl;
+//		return FALSE;
+//	}
+//
+//	static LLStdStringHandle pos_string = LLXmlTree::addAttributeString("pos");
+//	if (!node->getFastAttributeVector3(pos_string, mPos))
+//	{
+//		llwarns << "Bone without position" << llendl;
+//		return FALSE;
+//	}
+//
+//	static LLStdStringHandle rot_string = LLXmlTree::addAttributeString("rot");
+//	if (!node->getFastAttributeVector3(rot_string, mRot))
+//	{
+//		llwarns << "Bone without rotation" << llendl;
+//		return FALSE;
+//	}
+//	
+//	static LLStdStringHandle scale_string = LLXmlTree::addAttributeString("scale");
+//	if (!node->getFastAttributeVector3(scale_string, mScale))
+//	{
+//		llwarns << "Bone without scale" << llendl;
+//		return FALSE;
+//	}
+//
+//	if (mIsJoint)
+//	{
+//		static LLStdStringHandle pivot_string = LLXmlTree::addAttributeString("pivot");
+//		if (!node->getFastAttributeVector3(pivot_string, mPivot))
+//		{
+//			llwarns << "Bone without pivot" << llendl;
+//			return FALSE;
+//		}
+//	}
+//
+//	// parse children
+//	LLXmlTreeNode* child;
+//	for( child = node->getFirstChild(); child; child = node->getNextChild() )
+//	{
+//		LLVOAvatarBoneInfo *child_info = new LLVOAvatarBoneInfo;
+//		if (!child_info->parseXml(child))
+//		{
+//			delete child_info;
+//			return FALSE;
+//		}
+//		mChildList.push_back(child_info);
+//	}
+//	return TRUE;
+//}
+//
+////-----------------------------------------------------------------------------
+//// LLVOAvatarSkeletonInfo::parseXml()
+////-----------------------------------------------------------------------------
+//BOOL LLVOAvatarSkeletonInfo::parseXml(LLXmlTreeNode* node)
+//{
+//	static LLStdStringHandle num_bones_string = LLXmlTree::addAttributeString("num_bones");
+//	if (!node->getFastAttributeS32(num_bones_string, mNumBones))
+//	{
+//		llwarns << "Couldn't find number of bones." << llendl;
+//		return FALSE;
+//	}
+//
+//	static LLStdStringHandle num_collision_volumes_string = LLXmlTree::addAttributeString("num_collision_volumes");
+//	node->getFastAttributeS32(num_collision_volumes_string, mNumCollisionVolumes);
+//
+//	LLXmlTreeNode* child;
+//	for( child = node->getFirstChild(); child; child = node->getNextChild() )
+//	{
+//		LLVOAvatarBoneInfo *info = new LLVOAvatarBoneInfo;
+//		if (!info->parseXml(child))
+//		{
+//			delete info;
+//			llwarns << "Error parsing bone in skeleton file" << llendl;
+//			return FALSE;
+//		}
+//		mBoneInfoList.push_back(info);
+//	}
+//	return TRUE;
+//}
 
 //-----------------------------------------------------------------------------
 // parseXmlSkeletonNode(): parses <skeleton> nodes from XML tree
diff --git a/indra/newview/llvoavatar.h b/indra/newview/llvoavatar.h
index 1adb680962..c59a3a150c 100644
--- a/indra/newview/llvoavatar.h
+++ b/indra/newview/llvoavatar.h
@@ -67,8 +67,9 @@ class LLVoiceVisualizer;
 class LLHUDNameTag;
 class LLHUDEffectSpiral;
 class LLTexGlobalColor;
-class LLVOAvatarBoneInfo;
-class LLVOAvatarSkeletonInfo;
+struct LLVOAvatarBoneInfo;
+struct LLVOAvatarChildJoint;
+struct LLVOAvatarSkeletonInfo;
 
 //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 // LLVOAvatar
@@ -243,7 +244,7 @@ public:
 	void 			idleUpdateWindEffect();
 	void 			idleUpdateNameTag(const LLVector3& root_pos_last);
 	void			idleUpdateNameTagText(BOOL new_name);
-	LLVector3		idleUpdateNameTagPosition(const LLVector3& root_pos_last);
+	void			idleUpdateNameTagPosition(const LLVector3& root_pos_last);
 	void			idleUpdateNameTagAlpha(BOOL new_name, F32 alpha);
 	LLColor4		getNameTagColor(bool is_friend);
 	void			clearNameTag();
@@ -363,6 +364,8 @@ public:
 	F32					mLastPelvisToFoot;
 	F32					mPelvisFixup;
 	F32					mLastPelvisFixup;
+	LLVector3			mCurRootToHeadOffset;
+	LLVector3			mTargetRootToHeadOffset;
 
 	LLVector3			mHeadOffset; // current head position
 	LLViewerJoint		mRoot;
@@ -375,7 +378,7 @@ protected:
 	void				buildCharacter();
 	virtual BOOL		loadAvatar();
 
-	BOOL				setupBone(const LLVOAvatarBoneInfo* info, LLViewerJoint* parent, S32 &current_volume_num, S32 &current_joint_num);
+	BOOL				setupBone(const LLVOAvatarChildJoint& info, LLViewerJoint* parent, S32 &current_volume_num, S32 &current_joint_num);
 	BOOL				buildSkeleton(const LLVOAvatarSkeletonInfo *info);
 private:
 	BOOL				mIsBuilt; // state of deferred character building
@@ -419,7 +422,7 @@ public:
 	//--------------------------------------------------------------------
 private:
 	static LLXmlTree 	sXMLTree; // avatar config file
-	static LLXmlTree 	sSkeletonXMLTree; // avatar skeleton file
+	static LLXMLNodePtr	sSkeletonXMLTree; // avatar skeleton file
 
 /**                    Skeleton
  **                                                                            **
@@ -437,7 +440,6 @@ public:
 	U32 		renderRigid();
 	U32 		renderSkinned(EAvatarRenderPass pass);
 	F32			getLastSkinTime() { return mLastSkinTime; }
-	U32			renderSkinnedAttachments();
 	U32 		renderTransparent(BOOL first_pass);
 	void 		renderCollisionVolumes();
 	static void	deleteCachedImages(bool clearAll=true);
@@ -786,7 +788,6 @@ public:
 public:
 	BOOL 				hasHUDAttachment() const;
 	LLBBox 				getHUDBBox() const;
-	void 				rebuildHUD();
 	void 				resetHUDAttachments();
 	BOOL				canAttachMoreObjects() const;
 	BOOL				canAttachMoreObjects(U32 n) const;
@@ -941,7 +942,7 @@ private:
 	std::string		mNameString;		// UTF-8 title + name + status
 	std::string  	mTitle;
 	bool	  		mNameAway;
-	bool	  		mNameBusy;
+	bool	  		mNameDoNotDisturb;
 	bool	  		mNameMute;
 	bool      		mNameAppearance;
 	bool			mNameFriend;
diff --git a/indra/newview/llvoicechannel.cpp b/indra/newview/llvoicechannel.cpp
index bd12328a6b..ceff75a0cc 100644
--- a/indra/newview/llvoicechannel.cpp
+++ b/indra/newview/llvoicechannel.cpp
@@ -414,7 +414,7 @@ void LLVoiceChannel::doSetState(const EState& new_state)
 	mState = new_state;
 
 	if (!mStateChangedCallback.empty())
-		mStateChangedCallback(old_state, mState, mCallDirection, mCallEndedByAgent);
+		mStateChangedCallback(old_state, mState, mCallDirection, mCallEndedByAgent, mSessionID);
 }
 
 //static
diff --git a/indra/newview/llvoicechannel.h b/indra/newview/llvoicechannel.h
index b8597ee5cb..fed44974fd 100644
--- a/indra/newview/llvoicechannel.h
+++ b/indra/newview/llvoicechannel.h
@@ -52,7 +52,7 @@ public:
 		OUTGOING_CALL
 	} EDirection;
 
-	typedef boost::signals2::signal<void(const EState& old_state, const EState& new_state, const EDirection& direction, bool ended_by_agent)> state_changed_signal_t;
+	typedef boost::signals2::signal<void(const EState& old_state, const EState& new_state, const EDirection& direction, bool ended_by_agent, const LLUUID& session_id)> state_changed_signal_t;
 
 	// on current channel changed signal
 	typedef boost::function<void(const LLUUID& session_id)> channel_changed_callback_t;
diff --git a/indra/newview/llvoiceclient.cpp b/indra/newview/llvoiceclient.cpp
index 730f022c50..b46c55321c 100644
--- a/indra/newview/llvoiceclient.cpp
+++ b/indra/newview/llvoiceclient.cpp
@@ -541,6 +541,7 @@ void LLVoiceClient::setMuteMic(bool muted)
 {
 	mMuteMic = muted;
 	updateMicMuteLogic();
+	mMicroChangedSignal();
 }
 
 
@@ -551,6 +552,7 @@ void LLVoiceClient::setUserPTTState(bool ptt)
 {
 	mUserPTTState = ptt;
 	updateMicMuteLogic();
+	mMicroChangedSignal();
 }
 
 bool LLVoiceClient::getUserPTTState()
diff --git a/indra/newview/llvoiceclient.h b/indra/newview/llvoiceclient.h
index c9aeea35a9..714dd6a9f2 100644
--- a/indra/newview/llvoiceclient.h
+++ b/indra/newview/llvoiceclient.h
@@ -303,6 +303,9 @@ public:
 	LLVoiceClient();	
 	~LLVoiceClient();
 
+	typedef boost::signals2::signal<void(void)> micro_changed_signal_t;
+	micro_changed_signal_t mMicroChangedSignal;
+
 	void init(LLPumpIO *pump);	// Call this once at application startup (creates connector)
 	void terminate();	// Call this to clean up during shutdown
 	
@@ -401,6 +404,8 @@ public:
 	void keyUp(KEY key, MASK mask);
 	void middleMouseState(bool down);
 	
+	boost::signals2::connection MicroChangedCallback(const micro_changed_signal_t::slot_type& cb ) { return mMicroChangedSignal.connect(cb); }
+
 	
 	/////////////////////////////
 	// Accessors for data related to nearby speakers
@@ -456,6 +461,7 @@ protected:
 	LLVoiceModuleInterface* mVoiceModule;
 	LLPumpIO *m_servicePump;
 
+
 	LLCachedControl<bool> mVoiceEffectEnabled;
 	LLCachedControl<std::string> mVoiceEffectDefault;
 
diff --git a/indra/newview/llvoicevisualizer.cpp b/indra/newview/llvoicevisualizer.cpp
index 47060720e7..b497f80560 100644
--- a/indra/newview/llvoicevisualizer.cpp
+++ b/indra/newview/llvoicevisualizer.cpp
@@ -73,17 +73,6 @@ const F32 DEFAULT_MAXIMUM_GESTICULATION_AMPLITUDE	= 1.0f;
 const F32 ONE_HALF = 1.0f; // to clarify intent and reduce magic numbers in the code. 
 const LLVector3 WORLD_UPWARD_DIRECTION = LLVector3( 0.0f, 0.0f, 1.0f ); // Z is up in SL
 
-
-//------------------------------------------------------------------
-// handles parameter updates
-//------------------------------------------------------------------
-static bool handleVoiceVisualizerPrefsChanged(const LLSD& newvalue)
-{
-	// Note: Ignore the specific event value, we look up the ones we want
-	LLVoiceVisualizer::setPreferences();
-	return true;
-}
-
 //------------------------------------------------------------------
 // Initialize the statics
 //------------------------------------------------------------------
@@ -106,7 +95,7 @@ F32	 LLVoiceVisualizer::sAahPowerTransfersf = 0.0f;
 // constructor
 //-----------------------------------------------
 LLVoiceVisualizer::LLVoiceVisualizer( const U8 type )
-:LLHUDEffect( type )
+	: LLHUDEffect(type)
 {
 	mCurrentTime					= mTimer.getTotalSeconds();
 	mPreviousTime					= mCurrentTime;
@@ -150,12 +139,12 @@ LLVoiceVisualizer::LLVoiceVisualizer( const U8 type )
 		setPreferences();
        
 		// Set up our listener to get updates on all prefs values we care about.
-		gSavedSettings.getControl("LipSyncEnabled")->getSignal()->connect(boost::bind(&handleVoiceVisualizerPrefsChanged, _2));
-		gSavedSettings.getControl("LipSyncOohAahRate")->getSignal()->connect(boost::bind(&handleVoiceVisualizerPrefsChanged, _2));
-		gSavedSettings.getControl("LipSyncOoh")->getSignal()->connect(boost::bind(&handleVoiceVisualizerPrefsChanged, _2));
-		gSavedSettings.getControl("LipSyncAah")->getSignal()->connect(boost::bind(&handleVoiceVisualizerPrefsChanged, _2));
-		gSavedSettings.getControl("LipSyncOohPowerTransfer")->getSignal()->connect(boost::bind(&handleVoiceVisualizerPrefsChanged, _2));
-		gSavedSettings.getControl("LipSyncAahPowerTransfer")->getSignal()->connect(boost::bind(&handleVoiceVisualizerPrefsChanged, _2));
+		gSavedSettings.getControl("LipSyncEnabled")->getSignal()->connect(boost::bind(&LLVoiceVisualizer::handleVoiceVisualizerPrefsChanged, _2));
+		gSavedSettings.getControl("LipSyncOohAahRate")->getSignal()->connect(boost::bind(&LLVoiceVisualizer::handleVoiceVisualizerPrefsChanged, _2));
+		gSavedSettings.getControl("LipSyncOoh")->getSignal()->connect(boost::bind(&LLVoiceVisualizer::handleVoiceVisualizerPrefsChanged, _2));
+		gSavedSettings.getControl("LipSyncAah")->getSignal()->connect(boost::bind(&LLVoiceVisualizer::handleVoiceVisualizerPrefsChanged, _2));
+		gSavedSettings.getControl("LipSyncOohPowerTransfer")->getSignal()->connect(boost::bind(&LLVoiceVisualizer::handleVoiceVisualizerPrefsChanged, _2));
+		gSavedSettings.getControl("LipSyncAahPowerTransfer")->getSignal()->connect(boost::bind(&LLVoiceVisualizer::handleVoiceVisualizerPrefsChanged, _2));
 		
 		sPrefsInitialized = true;
 	}
@@ -217,6 +206,15 @@ void LLVoiceVisualizer::setSpeakingAmplitude( F32 a )
 	
 }//---------------------------------------------------
 
+//------------------------------------------------------------------
+// handles parameter updates
+//------------------------------------------------------------------
+bool LLVoiceVisualizer::handleVoiceVisualizerPrefsChanged(const LLSD& newvalue)
+{
+	// Note: Ignore the specific event value, we look up the ones we want
+	LLVoiceVisualizer::setPreferences();
+	return true;
+}
 
 //---------------------------------------------------
 void LLVoiceVisualizer::setPreferences( )
@@ -526,10 +524,6 @@ void LLVoiceVisualizer::render()
 
 }//---------------------------------------------------
 
-
-
-
-
 //---------------------------------------------------
 void LLVoiceVisualizer::setVoiceSourceWorldPosition( const LLVector3 &p )
 {
@@ -615,11 +609,3 @@ void LLVoiceVisualizer::markDead()
 
 	LLHUDEffect::markDead();
 }//------------------------------------------------------------------
-
-
-
-
-
-
-
-
diff --git a/indra/newview/llvoicevisualizer.h b/indra/newview/llvoicevisualizer.h
index e434c7f3f1..36c78252d1 100644
--- a/indra/newview/llvoicevisualizer.h
+++ b/indra/newview/llvoicevisualizer.h
@@ -71,10 +71,8 @@ class LLVoiceVisualizer : public LLHUDEffect
 	// public methods 
 	//---------------------------------------------------
 	public:
-		LLVoiceVisualizer ( const U8 type );	//constructor
+		LLVoiceVisualizer( const U8 type );	//constructor
 		~LLVoiceVisualizer();					//destructor
-		
-		friend class LLHUDObject;
 
 		void					setVoiceSourceWorldPosition( const LLVector3 &p );		// this should be the position of the speaking avatar's head
 		void					setMinGesticulationAmplitude( F32 );					// the lower range of meaningful amplitude for setting gesticulation level 
@@ -85,8 +83,6 @@ class LLVoiceVisualizer : public LLHUDEffect
 		void					setStopSpeaking();										// tell me when the av stops speaking
 		bool					getCurrentlySpeaking();									// the get for the above set
 		VoiceGesticulationLevel	getCurrentGesticulationLevel();							// based on voice amplitude, I'll give you the current "energy level" of avatar speech
-		static void				setPreferences( );
-		static void				lipStringToF32s ( std::string& in_string, F32*& out_F32s, U32& count_F32s ); // convert a string of digits to an array of floats
 		void					lipSyncOohAah( F32& ooh, F32& aah );
 		void					render();												// inherited from HUD Effect
 		void 					packData(LLMessageSystem *mesgsys);						// inherited from HUD Effect
@@ -108,7 +104,10 @@ class LLVoiceVisualizer : public LLHUDEffect
 	// private members 
 	//---------------------------------------------------
 	private:
-	
+		static bool				handleVoiceVisualizerPrefsChanged(const LLSD& newvalue);
+		static void				setPreferences( );
+		static void				lipStringToF32s ( std::string& in_string, F32*& out_F32s, U32& count_F32s ); // convert a string of digits to an array of floats
+
 		struct SoundSymbol
 		{
 			F32						mWaveExpansion			[ NUM_VOICE_SYMBOL_WAVES ];
diff --git a/indra/newview/llvoicevivox.cpp b/indra/newview/llvoicevivox.cpp
index 820d1d73e1..5e121bbcee 100644
--- a/indra/newview/llvoicevivox.cpp
+++ b/indra/newview/llvoicevivox.cpp
@@ -291,6 +291,7 @@ LLVivoxVoiceClient::LLVivoxVoiceClient() :
 	mCaptureDeviceDirty(false),
 	mRenderDeviceDirty(false),
 	mSpatialCoordsDirty(false),
+	mIsInitialized(false),
 
 	mMuteMic(false),
 	mMuteMicDirty(false),
@@ -315,7 +316,9 @@ LLVivoxVoiceClient::LLVivoxVoiceClient() :
 	mCaptureBufferRecording(false),
 	mCaptureBufferRecorded(false),
 	mCaptureBufferPlaying(false),
-	mPlayRequestCount(0)
+	mPlayRequestCount(0),
+
+	mAvatarNameCacheConnection()
 {	
 	mSpeakerVolume = scale_speaker_volume(0);
 
@@ -348,6 +351,10 @@ LLVivoxVoiceClient::LLVivoxVoiceClient() :
 
 LLVivoxVoiceClient::~LLVivoxVoiceClient()
 {
+	if (mAvatarNameCacheConnection.connected())
+	{
+		mAvatarNameCacheConnection.disconnect();
+	}
 }
 
 //---------------------------------------------------
@@ -520,7 +527,7 @@ void LLVivoxVoiceClient::requestVoiceAccountProvision(S32 retries)
 {
 	LLViewerRegion *region = gAgent.getRegion();
 	
-	if ( region && mVoiceEnabled )
+	if ( region && (mVoiceEnabled || !mIsInitialized))
 	{
 		std::string url = 
 		region->getCapability("ProvisionVoiceAccountRequest");
@@ -691,7 +698,7 @@ void LLVivoxVoiceClient::stateMachine()
 		setVoiceEnabled(false);
 	}
 	
-	if(mVoiceEnabled)
+	if(mVoiceEnabled || !mIsInitialized)
 	{
 		updatePosition();
 	}
@@ -736,7 +743,7 @@ void LLVivoxVoiceClient::stateMachine()
 		
 		//MARK: stateDisabled
 		case stateDisabled:
-			if(mTuningMode || (mVoiceEnabled && !mAccountName.empty()))
+			if(mTuningMode || ((mVoiceEnabled || !mIsInitialized) && !mAccountName.empty()))
 			{
 				setState(stateStart);
 			}
@@ -891,7 +898,7 @@ void LLVivoxVoiceClient::stateMachine()
 				mTuningExitState = stateIdle;
 				setState(stateMicTuningStart);
 			}
-			else if(!mVoiceEnabled)
+			else if(!mVoiceEnabled && mIsInitialized)
 			{
 				// We never started up the connector.  This will shut down the daemon.
 				setState(stateConnectorStopped);
@@ -1085,7 +1092,7 @@ void LLVivoxVoiceClient::stateMachine()
 
 			//MARK: stateConnectorStart
 		case stateConnectorStart:
-			if(!mVoiceEnabled)
+			if(!mVoiceEnabled && mIsInitialized)
 			{
 				// We were never logged in.  This will shut down the connector.
 				setState(stateLoggedOut);
@@ -1103,7 +1110,7 @@ void LLVivoxVoiceClient::stateMachine()
 		
 		//MARK: stateConnectorStarted
 		case stateConnectorStarted:		// connector handle received
-			if(!mVoiceEnabled)
+			if(!mVoiceEnabled && mIsInitialized)
 			{
 				// We were never logged in.  This will shut down the connector.
 				setState(stateLoggedOut);
@@ -1247,7 +1254,7 @@ void LLVivoxVoiceClient::stateMachine()
 		
 		//MARK: stateCreatingSessionGroup
 		case stateCreatingSessionGroup:
-			if(mSessionTerminateRequested || !mVoiceEnabled)
+			if(mSessionTerminateRequested || !mVoiceEnabled && mIsInitialized)
 			{
 				// *TODO: Question: is this the right way out of this state
 				setState(stateSessionTerminated);
@@ -1263,7 +1270,7 @@ void LLVivoxVoiceClient::stateMachine()
 		//MARK: stateRetrievingParcelVoiceInfo
 		case stateRetrievingParcelVoiceInfo: 
 			// wait until parcel voice info is received.
-			if(mSessionTerminateRequested || !mVoiceEnabled)
+			if(mSessionTerminateRequested || !mVoiceEnabled && mIsInitialized)
 			{
 				// if a terminate request has been received,
 				// bail and go to the stateSessionTerminated
@@ -1283,7 +1290,7 @@ void LLVivoxVoiceClient::stateMachine()
 			// Otherwise, if you log in but don't join a proximal channel (such as when your login location has voice disabled), your friends list won't sync.
 			sendFriendsListUpdates();
 			
-			if(mSessionTerminateRequested || !mVoiceEnabled)
+			if(mSessionTerminateRequested || !mVoiceEnabled && mIsInitialized)
 			{
 				// TODO: Question: Is this the right way out of this state?
 				setState(stateSessionTerminated);
@@ -1364,7 +1371,7 @@ void LLVivoxVoiceClient::stateMachine()
 		    }
 			
 			// joinedAudioSession() will transition from here to stateSessionJoined.
-			if(!mVoiceEnabled)
+			if(!mVoiceEnabled && mIsInitialized)
 			{
 				// User bailed out during connect -- jump straight to teardown.
 				setState(stateSessionTerminated);
@@ -1411,7 +1418,7 @@ void LLVivoxVoiceClient::stateMachine()
 				notifyStatusObservers(LLVoiceClientStatusObserver::STATUS_JOINED);
 
 			}
-			else if(!mVoiceEnabled)
+			else if(!mVoiceEnabled && mIsInitialized)
 			{
 				// User bailed out during connect -- jump straight to teardown.
 				setState(stateSessionTerminated);
@@ -1431,7 +1438,7 @@ void LLVivoxVoiceClient::stateMachine()
 		//MARK: stateRunning
 		case stateRunning:				// steady state
 			// Disabling voice or disconnect requested.
-			if(!mVoiceEnabled || mSessionTerminateRequested)
+			if(!mVoiceEnabled && mIsInitialized || mSessionTerminateRequested)
 			{
 				leaveAudioSession();
 			}
@@ -1478,6 +1485,8 @@ void LLVivoxVoiceClient::stateMachine()
 					mUpdateTimer.setTimerExpirySec(UPDATE_THROTTLE_SECONDS);
 					sendPositionalUpdate();
 				}
+
+				mIsInitialized = true;
 			}
 		break;
 		
@@ -1511,7 +1520,7 @@ void LLVivoxVoiceClient::stateMachine()
 			// Always reset the terminate request flag when we get here.
 			mSessionTerminateRequested = false;
 
-			if(mVoiceEnabled && !mRelogRequested)
+			if((mVoiceEnabled || !mIsInitialized) && !mRelogRequested)
 			{				
 				// Just leaving a channel, go back to stateNoChannel (the "logged in but have no channel" state).
 				setState(stateNoChannel);
@@ -1539,7 +1548,7 @@ void LLVivoxVoiceClient::stateMachine()
 			mAccountHandle.clear();
 			cleanUp();
 
-			if(mVoiceEnabled && !mRelogRequested)
+			if((mVoiceEnabled || !mIsInitialized) && !mRelogRequested)
 			{
 				// User was logged out, but wants to be logged in.  Send a new login request.
 				setState(stateNeedsLogin);
@@ -2665,7 +2674,7 @@ void LLVivoxVoiceClient::checkFriend(const LLUUID& id)
 		// *NOTE: For now, we feed legacy names to Vivox because I don't know
 		// if their service can support a mix of new and old clients with
 		// different sorts of names.
-		std::string name = av_name.getLegacyName();
+		std::string name = av_name.getAccountName();
 
 		const LLRelationship* relationInfo = LLAvatarTracker::instance().getBuddyInfo(id);
 		bool canSeeMeOnline = false;
@@ -3712,8 +3721,7 @@ void LLVivoxVoiceClient::participantUpdatedEvent(
 			 voice participant mIsModeratorMuted is changed after speakers are updated in Speaker Manager                                          
 			 and event is not fired.                                                                                                               
 			 
-			 So, we have to call LLSpeakerMgr::update() here. In any case it is better than call it                                                
-			 in LLCallFloater::draw()                                                                                                              
+			 So, we have to call LLSpeakerMgr::update() here.                                                                                                              
 			 */
 			LLVoiceChannel* voice_cnl = LLVoiceChannel::getCurrentVoiceChannel();
 			
@@ -3939,7 +3947,7 @@ void LLVivoxVoiceClient::messageEvent(
 		sessionState *session = findSession(sessionHandle);
 		if(session)
 		{
-			bool is_busy = gAgent.getBusy();
+			bool is_do_not_disturb = gAgent.isDoNotDisturb();
 			bool is_muted = LLMuteList::getInstance()->isMuted(session->mCallerID, session->mName, LLMute::flagTextChat);
 			bool is_linden = LLMuteList::getInstance()->isLinden(session->mName);
 			bool quiet_chat = false;
@@ -3953,10 +3961,10 @@ void LLVivoxVoiceClient::messageEvent(
 				chat.mFromName = session->mName;
 				chat.mSourceType = CHAT_SOURCE_AGENT;
 
-				if(is_busy && !is_linden)
+				if(is_do_not_disturb && !is_linden)
 				{
 					quiet_chat = true;
-					// TODO: Question: Return busy mode response here?  Or maybe when session is started instead?
+					// TODO: Question: Return do not disturb mode response here?  Or maybe when session is started instead?
 				}
 				
 				LL_DEBUGS("Voice") << "adding message, name " << session->mName << " session " << session->mIMSessionID << ", target " << session->mCallerID << LL_ENDL;
@@ -3964,6 +3972,7 @@ void LLVivoxVoiceClient::messageEvent(
 						session->mCallerID,
 						session->mName.c_str(),
 						message.c_str(),
+						false,
 						LLStringUtil::null,		// default arg
 						IM_NOTHING_SPECIAL,		// default arg
 						0,						// default arg
@@ -6189,18 +6198,19 @@ void LLVivoxVoiceClient::notifyFriendObservers()
 
 void LLVivoxVoiceClient::lookupName(const LLUUID &id)
 {
-	LLAvatarNameCache::get(id,
-		boost::bind(&LLVivoxVoiceClient::onAvatarNameCache,
-			this, _1, _2));
+	if (mAvatarNameCacheConnection.connected())
+	{
+		mAvatarNameCacheConnection.disconnect();
+	}
+	mAvatarNameCacheConnection = LLAvatarNameCache::get(id, boost::bind(&LLVivoxVoiceClient::onAvatarNameCache, this, _1, _2));
 }
 
 void LLVivoxVoiceClient::onAvatarNameCache(const LLUUID& agent_id,
 										   const LLAvatarName& av_name)
 {
-	// For Vivox, we use the legacy name because I'm uncertain whether or
-	// not their service can tolerate switching to Username or Display Name
-	std::string legacy_name = av_name.getLegacyName();
-	avatarNameResolved(agent_id, legacy_name);	
+	mAvatarNameCacheConnection.disconnect();
+	std::string display_name = av_name.getDisplayName();
+	avatarNameResolved(agent_id, display_name);
 }
 
 void LLVivoxVoiceClient::avatarNameResolved(const LLUUID &id, const std::string &name)
diff --git a/indra/newview/llvoicevivox.h b/indra/newview/llvoicevivox.h
index 1142a1a49c..69f33df94b 100644
--- a/indra/newview/llvoicevivox.h
+++ b/indra/newview/llvoicevivox.h
@@ -641,6 +641,7 @@ protected:
 	void lookupName(const LLUUID &id);
 	void onAvatarNameCache(const LLUUID& id, const LLAvatarName& av_name);
 	void avatarNameResolved(const LLUUID &id, const std::string &name);
+	boost::signals2::connection mAvatarNameCacheConnection;
 
 	/////////////////////////////
 	// Voice fonts
@@ -741,6 +742,8 @@ private:
 	std::string mRenderDevice;
 	bool mCaptureDeviceDirty;
 	bool mRenderDeviceDirty;
+
+	bool mIsInitialized;
 	
 	
 	bool checkParcelChanged(bool update = false);
diff --git a/indra/newview/llvopartgroup.cpp b/indra/newview/llvopartgroup.cpp
index e4f9915e93..c19996617b 100644
--- a/indra/newview/llvopartgroup.cpp
+++ b/indra/newview/llvopartgroup.cpp
@@ -152,8 +152,8 @@ bool ll_is_part_idx_allocated(S32 idx, S32* start, S32* end)
 void LLVOPartGroup::freeVBSlot(S32 idx)
 {
 	llassert(idx < LL_MAX_PARTICLE_COUNT && idx >= 0);
-	llassert(sVBSlotCursor > sVBSlotFree);
-	llassert(ll_is_part_idx_allocated(idx, sVBSlotCursor, sVBSlotFree+LL_MAX_PARTICLE_COUNT));
+	//llassert(sVBSlotCursor > sVBSlotFree);
+	//llassert(ll_is_part_idx_allocated(idx, sVBSlotCursor, sVBSlotFree+LL_MAX_PARTICLE_COUNT));
 
 	if (sVBSlotCursor > sVBSlotFree)
 	{
diff --git a/indra/newview/pipeline.cpp b/indra/newview/pipeline.cpp
index ab45bd3d3b..deaf9a425c 100644
--- a/indra/newview/pipeline.cpp
+++ b/indra/newview/pipeline.cpp
@@ -5331,11 +5331,6 @@ void LLPipeline::rebuildPools()
 		}
 		max_count--;
 	}
-
-	if (isAgentAvatarValid())
-	{
-		gAgentAvatarp->rebuildHUD();
-	}
 }
 
 void LLPipeline::addToQuickLookup( LLDrawPool* new_poolp )
@@ -5823,7 +5818,7 @@ void LLPipeline::calcNearbyLights(LLCamera& camera)
 				// crazy cast so that we can overwrite the fade value
 				// even though gcc enforces sets as const
 				// (fade value doesn't affect sort so this is safe)
-				Light* farthest_light = ((Light*) (&(*(mNearbyLights.rbegin()))));
+				Light* farthest_light = (const_cast<Light*>(&(*(mNearbyLights.rbegin()))));
 				if (light->dist < farthest_light->dist)
 				{
 					if (farthest_light->fade >= 0.f)
@@ -6854,7 +6849,7 @@ void LLPipeline::resetVertexBuffers(LLDrawable* drawable)
 }
 
 void LLPipeline::resetVertexBuffers()
-{
+{	
 	mResetVertexBuffers = true;
 }
 
diff --git a/indra/newview/skins/default/colors.xml b/indra/newview/skins/default/colors.xml
index 9bf2922033..0de217fc0d 100644
--- a/indra/newview/skins/default/colors.xml
+++ b/indra/newview/skins/default/colors.xml
@@ -1,103 +1,106 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes" ?>
 <colors>
 
-  <!-- Named Colors -->
-  <color
-      name="EmphasisColor"
-      value="0.38 0.694 0.573 1" />
-  <color
-      name="EmphasisColor_13"
-      value="0.38 0.694 0.573 0.13" />
-  <color
-      name="EmphasisColor_35"
-      value="0.38 0.694 0.573 0.35" />
-  <color
-      name="White"
-      value="1 1 1 1" />
-  <color
-      name="White_05"
-      value="1 1 1 0.05" />
-  <color
-      name="White_10"
-      value="1 1 1 0.1" />
-  <color
-      name="White_25"
-      value="1 1 1 0.25" />
-  <color
-      name="White_50"
-      value="1 1 1 0.5" />
-  <color
-      name="LtGray"
-      value="0.75 0.75 0.75 1" />
-  <color
-      name="LtGray_35"
-      value="0.75 0.75 0.75 0.35" />
-  <color
-      name="LtGray_50"
-      value="0.75 0.75 0.75 0.50" />
-  <color
-      name="Gray"
-      value="0.5 0.5 0.5 1" />
-  <color
-      name="DkGray"
-      value="0.125 0.125 0.125 1" />
-  <color
-      name="DkGray_66"
-      value="0.125 0.125 0.125 .66" />
-  <color
-      name="DkGray2"
-      value="0.169 0.169 0.169 1" />
-  <color
-      name="MouseGray"
-      value="0.191 0.191 0.191 1" />
-  <color
-      name="Black"
-      value="0 0 0 1" />
-  <colork
-      name="Black_10"
-      value="0 0 0 0.1" />
-  <color
-      name="Black_25"
-      value="0 0 0 0.25" />
-  <color
-      name="Black_50"
-      value="0 0 0 0.5" />
-  <color
-      name="FrogGreen"
-      value="0.26 0.345 0.263 1" />
-  <color
-      name="Red"
-      value="1 0 0 1" />
-  <color
-      name="Blue"
-      value="0 0 1 1" />
-  <color
-      name="Yellow"
-      value="1 1 0 1" />
-  <color
-      name="Green"
-      value="0 1 0 1" />
-  <color
-      name="Transparent"
-      value="0 0 0 0" />
-  <color
-      name="Purple"
-      value="1 0 1 1" />
-  <color
-      name="Lime"
-      value=".8 1 .73 1" />
-  <color
-      name="LtYellow"
-      value="1 1 .79 1" />
-  <color
-      name="DrYellow"
-      value="1 0.86 0 1" />
-  <color
-      name="LtOrange"
-      value="1 .85 .73 1" />
-  <color
-      name="MdBlue"
-      value=".07 .38 .51 1" />
+	<!-- Named Colors -->
+	<color
+	 name="EmphasisColor"
+	 value="0.38 0.694 0.573 1" />
+	<color
+	 name="EmphasisColor_13"
+	 value="0.38 0.694 0.573 0.13" />
+	<color
+	 name="EmphasisColor_35"
+	 value="0.38 0.694 0.573 0.35" />
+	<color
+	 name="BeaconColor"
+    value="0.749 0.298 0 1" />	 
+	<color
+	 name="White"
+	 value="1 1 1 1" />
+	<color
+	 name="White_05"
+	 value="1 1 1 0.05" />
+	<color
+	 name="White_10"
+	 value="1 1 1 0.1" />
+	<color
+	 name="White_25"
+	 value="1 1 1 0.25" />
+	<color
+	 name="White_50"
+	 value="1 1 1 0.5" />
+	<color
+	 name="LtGray"
+	 value="0.75 0.75 0.75 1" />
+	<color
+	 name="LtGray_35"
+	 value="0.75 0.75 0.75 0.35" />
+	<color
+	 name="LtGray_50"
+	 value="0.75 0.75 0.75 0.50" />
+	<color
+	 name="Gray"
+	 value="0.5 0.5 0.5 1" />
+	<color
+	 name="DkGray"
+	 value="0.125 0.125 0.125 1" />
+	<color
+	 name="DkGray_66"
+	 value="0.125 0.125 0.125 .66" />
+	<color
+	 name="DkGray2"
+	 value="0.169 0.169 0.169 1" />
+	<color
+	 name="MouseGray"
+	 value="0.191 0.191 0.191 1" />
+	<color
+	 name="Black"
+	 value="0 0 0 1" />
+	<colork
+	 name="Black_10"
+	 value="0 0 0 0.1" />
+	<color
+	 name="Black_25"
+	 value="0 0 0 0.25" />
+	<color
+	 name="Black_50"
+	 value="0 0 0 0.5" />
+	<color
+	name="FrogGreen"
+	value="0.26 0.345 0.263 1" />
+	<color
+	 name="Red"
+	 value="1 0 0 1" />
+	<color
+	 name="Blue"
+	 value="0 0 1 1" />
+	<color
+	 name="Yellow"
+	 value="1 1 0 1" />
+	<color
+	 name="Green"
+	 value="0 1 0 1" />
+	<color
+	 name="Transparent"
+	 value="0 0 0 0" />
+	<color
+	name="Purple"
+	value="1 0 1 1" />
+	<color
+	name="Lime"
+	value=".8 1 .73 1" />
+	<color
+	name="LtYellow"
+	value="1 1 .79 1" />
+	<color
+	name="DrYellow"
+	value="1 0.86 0 1" />
+	<color
+	name="LtOrange"
+	value="1 .85 .73 1" />
+	<color
+	name="MdBlue"
+	value=".07 .38 .51 1" />
   <color
       name="LtRed"
       value="1 0.2 0.2 1" />
@@ -115,527 +118,530 @@
       value="0 0 1 0.8" />
 
   <!-- This color name makes potentially unused colors show up bright purple.
-       Leave this here until all Unused? are removed below, otherwise
-       the viewer generates many warnings on startup. -->
+  Leave this here until all Unused? are removed below, otherwise
+  the viewer generates many warnings on startup. -->
   <color
-      name="Unused?"
-      value=".831 1 0 1" />
+	 name="Unused?"
+	 value=".831 1 0 1" />
 
   <!-- UI Definitions -->
 
-  <color
-      name="AccordionHeaderTextColor"
-      reference="LtGray" />
-  <color
-      name="AgentChatColor"
-      reference="White" />
-  <color
-      name="AlertBoxColor"
-      value="0.24 0.24 0.24 1" />
-  <color
-      name="AlertCautionBoxColor"
-      value="1 0.82 0.46 1" />
-  <color
-      name="AlertCautionTextColor"
-      reference="LtYellow" />
-  <color
-      name="AvatarListItemIconDefaultColor"
-      reference="White" />
-  <color
-      name="AvatarListItemIconOnlineColor"
-      reference="White" />
-  <color
-      name="AvatarListItemIconOfflineColor"
-      value="0.5 0.5 0.5 0.5" />
-  <color
-      name="AvatarListItemIconVoiceInvitedColor"
-      reference="AvatarListItemIconOfflineColor" />
-  <color
-      name="AvatarListItemIconVoiceJoinedColor"
-      reference="AvatarListItemIconOnlineColor" />
-  <color
-      name="AvatarListItemIconVoiceLeftColor"
-      reference="AvatarListItemIconOfflineColor" />
-  <color
-      name="BadgeImageColor"
-      value="1.0 0.40 0.0 1.0" />
-  <color
-      name="BadgeBorderColor"
-      value="0.9 0.9 0.9 1.0" />
-  <color
-      name="BadgeLabelColor"
-      reference="White" />
-  <color
-      name="ButtonBorderColor"
-      reference="Unused?" />
-  <color
-      name="ButtonCautionImageColor"
-      reference="Unused?" />
-  <color
-      name="ButtonColor"
-      reference="Unused?" />
-  <color
-      name="ButtonFlashBgColor"
-      reference="Unused?" />
-  <color
-      name="ButtonImageColor"
-      reference="White" />
-  <color
-      name="ButtonLabelColor"
-      reference="LtGray" />
-  <color
-      name="ButtonLabelDisabledColor"
-      reference="White_25" />
-  <color
-      name="ButtonLabelSelectedColor"
-      reference="White" />
-  <color
-      name="ButtonLabelSelectedDisabledColor"
-      reference="White_25" />
-  <color
-      name="ButtonSelectedBgColor"
-      reference="Unused?" />
-  <color
-      name="ButtonSelectedColor"
-      reference="Unused?" />
-  <color
-      name="ButtonUnselectedBgColor"
-      reference="Unused?" />
-  <color
-      name="ButtonUnselectedFgColor"
-      reference="Unused?" />
-  <color
-      name="ChatHistoryBgColor"
-      reference="Transparent" />
-  <color
-      name="ChatHistoryTextColor"
-      reference="LtGray" />
-  <color
-      name="ChicletFlashColor"
-      value="0.114 0.65 0.1" />
-  <color
-      name="ColorDropShadow"
-      reference="Black_50" />
-  <color
-      name="ColorPaletteEntry01"
-      reference="Black" />
-  <color
-      name="ColorPaletteEntry02"
-      reference="Gray" />
-  <color
-      name="ColorPaletteEntry03"
-      value="0.5 0 0 1" />
-  <color
-      name="ColorPaletteEntry04"
-      value="0.5 0.5 0 1" />
-  <color
-      name="ColorPaletteEntry05"
-      value="0 0.5 0 1" />
-  <color
-      name="ColorPaletteEntry06"
-      value="0 0.5 0.5 1" />
-  <color
-      name="ColorPaletteEntry07"
-      value="0 0 0.5 1" />
-  <color
-      name="ColorPaletteEntry08"
-      value="0.5 0 0.5 1" />
-  <color
-      name="ColorPaletteEntry09"
-      value="0.5 0.5 0 1" />
-  <color
-      name="ColorPaletteEntry10"
-      value="0 0.25 0.25 1" />
-  <color
-      name="ColorPaletteEntry11"
-      value="0 0.5 1 1" />
-  <color
-      name="ColorPaletteEntry12"
-      value="0 0.25 0.5 1" />
-  <color
-      name="ColorPaletteEntry13"
-      value="0.5 0 1 1" />
-  <color
-      name="ColorPaletteEntry14"
-      value="0.5 0.25 0 1" />
-  <color
-      name="ColorPaletteEntry15"
-      reference="White" />
-  <color
-      name="ColorPaletteEntry16"
-      reference="LtYellow" />
-  <color
-      name="ColorPaletteEntry17"
-      reference="White" />
-  <color
-      name="ColorPaletteEntry18"
-      reference="LtGray" />
-  <color
-      name="ColorPaletteEntry19"
-      reference="Red" />
-  <color
-      name="ColorPaletteEntry20"
-      reference="Yellow" />
-  <color
-      name="ColorPaletteEntry21"
-      reference="Green" />
-  <color
-      name="ColorPaletteEntry22"
-      value="0 1 1 1" />
-  <color
-      name="ColorPaletteEntry23"
-      reference="Blue" />
-  <color
-      name="ColorPaletteEntry24"
-      reference="Purple" />
-  <color
-      name="ColorPaletteEntry25"
-      value="1 1 0.5 1" />
-  <color
-      name="ColorPaletteEntry26"
-      value="0 1 0.5 1" />
-  <color
-      name="ColorPaletteEntry27"
-      value="0.5 1 1 1" />
-  <color
-      name="ColorPaletteEntry28"
-      value="0.5 0.5 1 1" />
-  <color
-      name="ColorPaletteEntry29"
-      value="1 0 0.5 1" />
-  <color
-      name="ColorPaletteEntry30"
-      value="1 0.5 0 1" />
-  <color
-      name="ColorPaletteEntry31"
-      reference="White" />
-  <color
-      name="ColorPaletteEntry32"
-      reference="White" />
-  <color
-      name="ComboListBgColor"
-      reference="DkGray" />
-  <color
-      name="ConsoleBackground"
-      reference="Black" />
-  <color
-      name="ContextSilhouetteColor"
-      reference="EmphasisColor" />
-  <color
-      name="DefaultHighlightDark"
-      reference="White_10" />
-  <color
-      name="DefaultHighlightLight"
-      reference="White_25" />
-  <color
-      name="DefaultShadowDark"
-      reference="Black_50" />
-  <color
-      name="DefaultShadowLight"
-      reference="Black_50" />
-  <color
-      name="EffectColor"
-      reference="White" />
-  <color
-      name="FilterBackgroundColor"
-      reference="Black" />
-  <color
-      name="FilterTextColor"
-      value="0.38 0.69 0.57 1" />
-  <color
-      name="FloaterButtonImageColor"
-      reference="LtGray" />
-  <color
-      name="FloaterDefaultBackgroundColor"
-      reference="DkGray_66" />
-  <color
-      name="FloaterFocusBackgroundColor"
-      reference="DkGray2" />
-  <color
-      name="FloaterFocusBorderColor"
-      reference="Black_50" />
-  <color
-      name="FloaterUnfocusBorderColor"
-      reference="Black_50" />
-  <color
-      name="FocusColor"
-      reference="EmphasisColor" />
-  <color
-      name="FolderViewLoadingMessageTextColor"
-      value="0.3344 0.5456 0.5159 1" />
-  <color
-      name="GridFocusPointColor"
-      reference="White_50" />
-  <color
-      name="GridlineBGColor"
-      value="0.92 0.92 1 0.78" />
-  <color
-      name="GridlineColor"
-      reference="White" />
-  <color
-      name="GridlineShadowColor"
-      value="0 0 0 0.31" />
-  <color
-      name="GroupNotifyBoxColor"
-      value="0.3344 0.5456 0.5159 1" />
-  <color
-      name="GroupNotifyTextColor"
-      reference="White"/>
-  <color
-      name="GroupNotifyDimmedTextColor"
-      reference="LtGray" />
-  <color
-      name="GroupOverTierColor"
-      value="0.43 0.06 0.06 1" />
-  <color
-      name="HTMLLinkColor"
-      reference="EmphasisColor" />
-  <color
-      name="HealthTextColor"
-      reference="White" />
-  <color
-      name="HelpBgColor"
-      reference="Unused?" />
-  <color
-      name="HelpFgColor"
-      reference="Unused?" />
-  <color
-      name="HelpScrollHighlightColor"
-      reference="Unused?" />
-  <color
-      name="HelpScrollShadowColor"
-      reference="Unused?" />
-  <color
-      name="HelpScrollThumbColor"
-      reference="Unused?" />
-  <color
-      name="HelpScrollTrackColor"
-      reference="Unused?" />
-  <color
-      name="HighlightChildColor"
-      reference="Yellow" />
-  <color
-      name="HighlightInspectColor"
-      value="1 0 1 1" />
-  <color
-      name="HighlightParentColor"
-      value="0.67 0.83 0.96 1" />
-  <color
-      name="IMHistoryBgColor"
-      reference="Unused?" />
-  <color
-      name="IMHistoryTextColor"
-      reference="Unused?" />
-  <color
-      name="IconDisabledColor"
-      reference="White_25" />
-  <color
-      name="IconEnabledColor"
-      reference="White" />
-  <color
-      name="InventoryBackgroundColor"
-      reference="DkGray2" />
-  <color
-      name="InventoryFocusOutlineColor"
-      reference="White_25" />
-  <color
-      name="InventoryItemSuffixColor"
-      reference="White_25" />
-  <color
-      name="InventoryItemLibraryColor"
-      reference="EmphasisColor" />
-  <color
-      name="InventoryItemLinkColor"
-      reference="LtGray_50" />
-  <color
-      name="InventoryMouseOverColor"
-      reference="LtGray_35" />
-  <color
-      name="InventorySearchStatusColor"
-      reference="EmphasisColor" />
-  <color
-      name="LabelDisabledColor"
-      reference="White_25" />
-  <color
-      name="LabelSelectedColor"
-      reference="White" />
-  <color
-      name="LabelSelectedDisabledColor"
-      reference="White_25" />
-  <color
-      name="LabelTextColor"
-      reference="LtGray" />
-  <color
-      name="LoginProgressBarBgColor"
-      reference="Unused?" />
-  <color
-      name="LoginProgressBarFgColor"
-      reference="Unused?" />
-  <color
-      name="LoginProgressBoxBorderColor"
-      value="0 0.12 0.24 0" />
-  <color
-      name="LoginProgressBoxCenterColor"
-      value="0 0 0 0.78" />
-  <color
-      name="LoginProgressBoxShadowColor"
-      value="0 0 0 0.78" />
-  <color
-      name="LoginProgressBoxTextColor"
-      reference="White" />
-  <color
-      name="MapAvatarColor"
-      reference="Green" />
-  <color
-      name="MapAvatarFriendColor"
-      reference="Yellow" />
-  <color
-      name="MapAvatarSelfColor"
-      value="0.53125 0 0.498047 1" />
-  <color
-      name="MapFrustumColor"
-      reference="White_10" />
-  <color
-      name="MapFrustumRotatingColor"
-      value="1 1 1 0.2" />
-  <color
-      name="MapTrackColor"
-      reference="Red" />
-  <color
-      name="MapTrackDisabledColor"
-      value="0.5 0 0 1" />
-  <color
-      name="MenuBarBgColor"
-      reference="DkGray" />
-  <color
-      name="MenuBarGodBgColor"
-      reference="FrogGreen" />
-  <color
-      name="MenuDefaultBgColor"
-      reference="DkGray2" />
-  <color
-      name="MenuItemDisabledColor"
-      reference="LtGray_50" />
-  <color
-      name="MenuItemEnabledColor"
-      reference="LtGray" />
-  <color
-      name="MenuItemHighlightBgColor"
-      reference="EmphasisColor_35" />
-  <color
-      name="MenuItemHighlightFgColor"
-      reference="White" />
-  <color
-      name="MenuNonProductionBgColor"
-      reference="Black" />
-  <color
-      name="MenuNonProductionGodBgColor"
-      value="0.263 0.325 0.345 1" />
-  <color
-      name="MenuPopupBgColor"
-      reference="DkGray2" />
-  <color
-      name="ModelUploaderLabels"
-      value="1 0.6 0 1" />	  
-  <color
-      name="MultiSliderDisabledThumbColor"
-      reference="Black" />
-  <color
-      name="MultiSliderThumbCenterColor"
-      reference="White" />
-  <color
-      name="MultiSliderThumbCenterSelectedColor"
-      reference="Green" />
-  <color
-      name="MultiSliderThumbOutlineColor"
-      reference="Unused?" />
-  <color
-      name="MultiSliderTrackColor"
-      reference="LtGray" />
-  <color
-      name="MultiSliderTriangleColor"
-      reference="Yellow" />
+    <color
+     name="AccordionHeaderTextColor"
+     reference="LtGray" />
+    <color
+     name="AgentChatColor"
+     reference="White" />
+    <color
+     name="AlertBoxColor"
+     value="0.24 0.24 0.24 1" />
+    <color
+     name="AlertCautionBoxColor"
+     value="1 0.82 0.46 1" />
+    <color
+     name="AlertCautionTextColor"
+     reference="LtYellow" />
+    <color
+     name="AvatarListItemIconDefaultColor"
+     reference="White" />
+    <color
+     name="AvatarListItemIconOnlineColor"
+     reference="White" />
+    <color
+     name="AvatarListItemIconOfflineColor"
+     value="0.5 0.5 0.5 0.5" />
+    <color
+     name="AvatarListItemIconVoiceInvitedColor"
+     reference="AvatarListItemIconOfflineColor" />
+    <color
+     name="AvatarListItemIconVoiceJoinedColor"
+     reference="AvatarListItemIconOnlineColor" />
+    <color
+     name="AvatarListItemIconVoiceLeftColor"
+     reference="AvatarListItemIconOfflineColor" />
+    <color
+     name="BadgeImageColor"
+     value="1.0 0.40 0.0 1.0" />
+    <color
+     name="BadgeBorderColor"
+     value="0.9 0.9 0.9 1.0" />
+    <color
+     name="BadgeLabelColor"
+     reference="White" />
+    <color
+     name="ButtonBorderColor"
+     reference="Unused?" />
+    <color
+     name="ButtonCautionImageColor"
+     reference="Unused?" />
+    <color
+     name="ButtonColor"
+     reference="Unused?" />
+    <color
+     name="ButtonFlashBgColor"
+     reference="Unused?" />
+    <color
+     name="ButtonImageColor"
+     reference="White" />
+    <color
+     name="ButtonLabelColor"
+     reference="LtGray" />
+    <color
+     name="ButtonLabelDisabledColor"
+     reference="White_25" />
+    <color
+     name="ButtonLabelSelectedColor"
+     reference="White" />
+    <color
+     name="ButtonLabelSelectedDisabledColor"
+     reference="White_25" />
+    <color
+     name="ButtonSelectedBgColor"
+     reference="Unused?" />
+    <color
+     name="ButtonSelectedColor"
+     reference="Unused?" />
+    <color
+     name="ButtonUnselectedBgColor"
+     reference="Unused?" />
+    <color
+     name="ButtonUnselectedFgColor"
+     reference="Unused?" />
+    <color
+     name="ChatHistoryBgColor"
+     reference="Transparent" />
+    <color
+     name="ChatHistoryTextColor"
+     reference="LtGray" />
+    <color
+     name="ChicletFlashColor"
+     value="0.114 0.65 0.1" />
+    <color
+     name="ColorDropShadow"
+     reference="Black_50" />
+    <color
+     name="ColorPaletteEntry01"
+     reference="Black" />
+    <color
+     name="ColorPaletteEntry02"
+     reference="Gray" />
+    <color
+     name="ColorPaletteEntry03"
+     value="0.5 0 0 1" />
+    <color
+     name="ColorPaletteEntry04"
+     value="0.5 0.5 0 1" />
+    <color
+     name="ColorPaletteEntry05"
+     value="0 0.5 0 1" />
+    <color
+     name="ColorPaletteEntry06"
+     value="0 0.5 0.5 1" />
+    <color
+     name="ColorPaletteEntry07"
+     value="0 0 0.5 1" />
+    <color
+     name="ColorPaletteEntry08"
+     value="0.5 0 0.5 1" />
+    <color
+     name="ColorPaletteEntry09"
+     value="0.5 0.5 0 1" />
+    <color
+     name="ColorPaletteEntry10"
+     value="0 0.25 0.25 1" />
+    <color
+     name="ColorPaletteEntry11"
+     value="0 0.5 1 1" />
+    <color
+     name="ColorPaletteEntry12"
+     value="0 0.25 0.5 1" />
+    <color
+     name="ColorPaletteEntry13"
+     value="0.5 0 1 1" />
+    <color
+     name="ColorPaletteEntry14"
+     value="0.5 0.25 0 1" />
+    <color
+     name="ColorPaletteEntry15"
+     reference="White" />
+    <color
+     name="ColorPaletteEntry16"
+     reference="LtYellow" />
+    <color
+     name="ColorPaletteEntry17"
+     reference="White" />
+    <color
+     name="ColorPaletteEntry18"
+     reference="LtGray" />
+    <color
+     name="ColorPaletteEntry19"
+     reference="Red" />
+    <color
+     name="ColorPaletteEntry20"
+     reference="Yellow" />
+    <color
+     name="ColorPaletteEntry21"
+     reference="Green" />
+    <color
+     name="ColorPaletteEntry22"
+     value="0 1 1 1" />
+    <color
+     name="ColorPaletteEntry23"
+     reference="Blue" />
+    <color
+     name="ColorPaletteEntry24"
+     reference="Purple" />
+    <color
+     name="ColorPaletteEntry25"
+     value="1 1 0.5 1" />
+    <color
+     name="ColorPaletteEntry26"
+     value="0 1 0.5 1" />
+    <color
+     name="ColorPaletteEntry27"
+     value="0.5 1 1 1" />
+    <color
+     name="ColorPaletteEntry28"
+     value="0.5 0.5 1 1" />
+    <color
+     name="ColorPaletteEntry29"
+     value="1 0 0.5 1" />
+    <color
+     name="ColorPaletteEntry30"
+     value="1 0.5 0 1" />
+    <color
+     name="ColorPaletteEntry31"
+     reference="White" />
+    <color
+     name="ColorPaletteEntry32"
+     reference="White" />
+    <color
+     name="ComboListBgColor"
+     reference="DkGray" />
+    <color
+     name="ConsoleBackground"
+     reference="Black" />
+    <color
+     name="ContextSilhouetteColor"
+     reference="EmphasisColor" />
+    <color
+     name="DefaultHighlightDark"
+     reference="White_10" />
+    <color
+     name="DefaultHighlightLight"
+     reference="White_25" />
+    <color
+     name="DefaultShadowDark"
+     reference="Black_50" />
+    <color
+     name="DefaultShadowLight"
+     reference="Black_50" />
+    <color
+     name="EffectColor"
+     reference="White" />
+     <color
+     name="FilterBackgroundColor"
+     reference="Black" />
+    <color
+     name="FilterTextColor"
+     value="0.38 0.69 0.57 1" />
+     <color
+     name="FloaterButtonImageColor"
+     reference="LtGray" />
+    <color
+     name="FloaterDefaultBackgroundColor"
+     reference="DkGray_66" />
+    <color
+     name="FloaterFocusBackgroundColor"
+     reference="DkGray2" />
+    <color
+     name="FloaterFocusBorderColor"
+     reference="Black_50" />
+    <color
+     name="FloaterUnfocusBorderColor"
+     reference="Black_50" />
+    <color
+     name="FocusColor"
+     reference="EmphasisColor" />
+    <color
+     name="FolderViewLoadingMessageTextColor"
+     value="0.3344 0.5456 0.5159 1" />
+    <color
+     name="GridFocusPointColor"
+     reference="White_50" />
+    <color
+     name="GridlineBGColor"
+     value="0.92 0.92 1 0.78" />
+    <color
+     name="GridlineColor"
+     reference="White" />
+    <color
+     name="GridlineShadowColor"
+     value="0 0 0 0.31" />
+    <color
+     name="GroupNotifyBoxColor"
+     value="0.3344 0.5456 0.5159 1" />
+    <color
+     name="GroupNotifyTextColor"
+     reference="White"/>
+    <color
+     name="GroupNotifyDimmedTextColor"
+     reference="LtGray" />
+    <color
+     name="GroupOverTierColor"
+     value="0.43 0.06 0.06 1" />
+    <color
+     name="HTMLLinkColor"
+     reference="EmphasisColor" />
+    <color
+     name="HealthTextColor"
+     reference="White" />
+    <color
+     name="HelpBgColor"
+     reference="Unused?" />
+    <color
+     name="HelpFgColor"
+     reference="Unused?" />
+    <color
+     name="HelpScrollHighlightColor"
+     reference="Unused?" />
+    <color
+     name="HelpScrollShadowColor"
+     reference="Unused?" />
+    <color
+     name="HelpScrollThumbColor"
+     reference="Unused?" />
+    <color
+     name="HelpScrollTrackColor"
+     reference="Unused?" />
+    <color
+     name="HighlightChildColor"
+     reference="Yellow" />
+    <color
+     name="HighlightInspectColor"
+     value="1 0 1 1" />
+    <color
+     name="HighlightParentColor"
+     value="0.67 0.83 0.96 1" />
+    <color
+     name="IMHistoryBgColor"
+     reference="Unused?" />
+    <color
+     name="IMHistoryTextColor"
+     reference="Unused?" />
+    <color
+     name="IconDisabledColor"
+	 reference="White_25" />
+    <color
+     name="IconEnabledColor"
+     reference="White" />
+    <color
+     name="InventoryBackgroundColor"
+     reference="DkGray2" />
+    <color
+     name="InventoryFocusOutlineColor"
+     reference="White_25" />
+    <color
+     name="InventoryItemSuffixColor"
+     reference="White_25" />
+    <color
+     name="InventoryItemLibraryColor"
+     reference="EmphasisColor" />
+    <color
+     name="InventoryItemLinkColor"
+     reference="LtGray_50" />
+    <color
+     name="InventoryMouseOverColor"
+     reference="LtGray_35" />
+    <color
+     name="InventorySearchStatusColor"
+     reference="EmphasisColor" />
+    <color
+     name="LabelDisabledColor"
+     reference="White_25" />
+    <color
+     name="LabelSelectedColor"
+     reference="White" />
+    <color
+     name="LabelSelectedDisabledColor"
+     reference="White_25" />
+    <color
+     name="LabelTextColor"
+     reference="LtGray" />
+    <color
+     name="LoginProgressBarBgColor"
+     reference="Unused?" />
+    <color
+     name="LoginProgressBarFgColor"
+     reference="Unused?" />
+    <color
+     name="LoginProgressBoxBorderColor"
+     value="0 0.12 0.24 0" />
+    <color
+     name="LoginProgressBoxCenterColor"
+     value="0 0 0 0.78" />
+    <color
+     name="LoginProgressBoxShadowColor"
+     value="0 0 0 0.78" />
+    <color
+     name="LoginProgressBoxTextColor"
+     reference="White" />
+    <color
+     name="MapAvatarColor"
+     reference="Green" />
+    <color
+     name="MapAvatarFriendColor"
+     reference="Yellow" />
+    <color
+     name="MapAvatarSelfColor"
+     value="0.53125 0 0.498047 1" />
+    <color
+     name="MapFrustumColor"
+     reference="White_10" />
+    <color
+     name="MapFrustumRotatingColor"
+     value="1 1 1 0.2" />
+    <color
+     name="MapTrackColor"
+     reference="Red" />
+    <color
+     name="MapTrackDisabledColor"
+     value="0.5 0 0 1" />
+    <color
+     name="MenuBarBgColor"
+     reference="DkGray" />
+    <color
+     name="MenuBarGodBgColor"
+     reference="FrogGreen" />
+    <color
+     name="MenuDefaultBgColor"
+     reference="DkGray2" />
+    <color
+     name="MenuItemDisabledColor"
+	 reference="LtGray_50" />
+    <color
+     name="MenuItemEnabledColor"
+     reference="LtGray" />
+    <color
+     name="MenuItemHighlightBgColor"
+     reference="EmphasisColor_35" />
+    <color
+     name="MenuItemFlashBgColor"
+     reference="BeaconColor" />
+    <color
+     name="MenuItemHighlightFgColor"
+     reference="White" />
+    <color
+     name="MenuNonProductionBgColor"
+     reference="Black" />
+    <color
+     name="MenuNonProductionGodBgColor"
+     value="0.263 0.325 0.345 1" />
+    <color
+     name="MenuPopupBgColor"
+	  reference="DkGray2" />
+    <color
+     name="ModelUploaderLabels"
+     value="1 0.6 0 1" />	  
+    <color
+     name="MultiSliderDisabledThumbColor"
+     reference="Black" />
+    <color
+     name="MultiSliderThumbCenterColor"
+     reference="White" />
+    <color
+     name="MultiSliderThumbCenterSelectedColor"
+     reference="Green" />
+    <color
+     name="MultiSliderThumbOutlineColor"
+     reference="Unused?" />
+    <color
+     name="MultiSliderTrackColor"
+     reference="LtGray" />
+    <color
+     name="MultiSliderTriangleColor"
+     reference="Yellow" />
   <!--
-      <color
+    <color
       name="NameTagBackground"
       value="0.85 0.85 0.85 0.80" />
-  -->
-  <color
+      -->
+    <color
       name="NameTagBackground"
       value="0 0 0 1" />
-  <color
-      name="NameTagChat"
-      reference="White" />
-  <color
-      name="NameTagFriend"
-      value="0.447 0.784 0.663 1" />
-  <color
-      name="NameTagLegacy"
-      reference="White" />
-  <color
-      name="NameTagMatch"
-      reference="White" />
-  <color
-      name="NameTagMismatch"
-      reference="White" />
-  <color
-      name="NetMapBackgroundColor"
-      value="0 0 0 1" />
-  <color
-      name="NetMapGroupOwnAboveWater"
-      reference="Purple" />
-  <color
-      name="NetMapGroupOwnBelowWater"
-      value="0.78 0 0.78 1" />
-  <color
-      name="NetMapOtherOwnAboveWater"
-      value="0.24 0.24 0.24 1" />
-  <color
-      name="NetMapOtherOwnBelowWater"
-      value="0.12 0.12 0.12 1" />
-  <color
-      name="NetMapYouOwnAboveWater"
-      value="0 1 1 1" />
-  <color
-      name="NetMapYouOwnBelowWater"
-      value="0 0.78 0.78 1" />
-  <color
-      name="NotifyBoxColor"
-      value="LtGray" />
-  <color
-      name="NotifyCautionBoxColor"
-      value="1 0.82 0.46 1" />
-  <color
-      name="NotifyCautionWarnColor"
-      reference="White" />
-  <color
-      name="NotifyTextColor"
-      reference="White" />
-  <color
-      name="ObjectBubbleColor"
-      reference="DkGray_66" />
-  <color
-      name="ObjectChatColor"
-      reference="EmphasisColor" />
-  <color
-      name="OverdrivenColor"
-      reference="Red" />
-  <color
-      name="PanelDefaultBackgroundColor"
-      reference="DkGray" />
-  <color
-      name="PanelDefaultHighlightLight"
-      reference="White_50" />
-  <color
-      name="PanelFocusBackgroundColor"
-      reference="DkGray2" />
-  <color
-      name="PanelNotificationBackground"
-      value="1 0.3 0.3 0" />
-  <color
-      name="ParcelHoverColor"
-      reference="White" />
-  <color
+    <color
+     name="NameTagChat"
+     reference="White" />
+    <color
+     name="NameTagFriend"
+     value="0.447 0.784 0.663 1" />
+    <color
+     name="NameTagLegacy"
+     reference="White" />
+    <color
+     name="NameTagMatch"
+     reference="White" />
+    <color
+     name="NameTagMismatch"
+     reference="White" />
+    <color
+     name="NetMapBackgroundColor"
+     value="0 0 0 1" />
+    <color
+     name="NetMapGroupOwnAboveWater"
+     reference="Purple" />
+    <color
+     name="NetMapGroupOwnBelowWater"
+     value="0.78 0 0.78 1" />
+    <color
+     name="NetMapOtherOwnAboveWater"
+     value="0.24 0.24 0.24 1" />
+    <color
+     name="NetMapOtherOwnBelowWater"
+     value="0.12 0.12 0.12 1" />
+    <color
+     name="NetMapYouOwnAboveWater"
+     value="0 1 1 1" />
+    <color
+     name="NetMapYouOwnBelowWater"
+     value="0 0.78 0.78 1" />
+    <color
+     name="NotifyBoxColor"
+     value="LtGray" />
+    <color
+     name="NotifyCautionBoxColor"
+     value="1 0.82 0.46 1" />
+    <color
+     name="NotifyCautionWarnColor"
+     reference="White" />
+    <color
+     name="NotifyTextColor"
+     reference="White" />
+    <color
+     name="ObjectBubbleColor"
+     reference="DkGray_66" />
+    <color
+     name="ObjectChatColor"
+     reference="EmphasisColor" />
+    <color
+     name="OverdrivenColor"
+     reference="Red" />
+    <color
+     name="PanelDefaultBackgroundColor"
+     reference="DkGray" />
+    <color
+     name="PanelDefaultHighlightLight"
+     reference="White_50" />
+    <color
+     name="PanelFocusBackgroundColor"
+     reference="DkGray2" />
+    <color
+     name="PanelNotificationBackground"
+     value="1 0.3 0.3 0" />
+    <color
+     name="ParcelHoverColor"
+     reference="White" />
+    <color
       name="PathfindingErrorColor"
       reference="LtRed" />
   <color
@@ -657,205 +663,205 @@
       name="PathfindingCharacterBeaconColor"
       reference="Red_80" />
   <color
-      name="PieMenuBgColor"
-      value="0.24 0.24 0.24 0.59" />
-  <color
-      name="PieMenuLineColor"
-      value="0 0 0 0.5" />
-  <color
-      name="PieMenuSelectedColor"
-      value="0.72 0.72 0.74 0.3" />
-  <color
-      name="PropertyColorAuction"
-      value="0.5 0 1 0.4" />
-  <color
-      name="PropertyColorAvail"
-      reference="Transparent" />
-  <color
-      name="PropertyColorForSale"
-      value="1 0.5 0 0.4" />
-  <color
-      name="PropertyColorGroup"
-      value="0 0.72 0.72 0.4" />
-  <color
-      name="PropertyColorOther"
-      value="1 0 0 0.4" />
-  <color
-      name="PropertyColorSelf"
-      value="0 1 0 0.4" />
-  <color
-      name="ScriptBgReadOnlyColor"
-      value="0.39 0.39 0.39 1" />
-  <color
-      name="ScriptErrorColor"
-      reference="Red" />
-  <color
-      name="ScrollBGStripeColor"
-      reference="Transparent" />
-  <color
-      name="ScrollBgReadOnlyColor"
+     name="PieMenuBgColor"
+     value="0.24 0.24 0.24 0.59" />
+    <color
+     name="PieMenuLineColor"
+     value="0 0 0 0.5" />
+    <color
+     name="PieMenuSelectedColor"
+     value="0.72 0.72 0.74 0.3" />
+    <color
+     name="PropertyColorAuction"
+     value="0.5 0 1 0.4" />
+    <color
+     name="PropertyColorAvail"
+     reference="Transparent" />
+    <color
+     name="PropertyColorForSale"
+     value="1 0.5 0 0.4" />
+    <color
+     name="PropertyColorGroup"
+     value="0 0.72 0.72 0.4" />
+    <color
+     name="PropertyColorOther"
+     value="1 0 0 0.4" />
+    <color
+     name="PropertyColorSelf"
+     value="0 1 0 0.4" />
+    <color
+     name="ScriptBgReadOnlyColor"
+     value="0.39 0.39 0.39 1" />
+    <color
+     name="ScriptErrorColor"
+     reference="Red" />
+    <color
+     name="ScrollBGStripeColor"
+     reference="Transparent" />
+    <color
+     name="ScrollBgReadOnlyColor"
       reference="Transparent" />
-  <color
-      name="ScrollBgWriteableColor"
-      reference="White_05" />
-  <color
-      name="ScrollDisabledColor"
-      reference="White_25" />
-  <color
-      name="ScrollHighlightedColor"
-      reference="Unused?" />
-  <color
-      name="ScrollHoveredColor"
-      reference="EmphasisColor_13" />
-  <color
-      name="ScrollSelectedBGColor"
-      reference="EmphasisColor_35" />
-  <color
-      name="ScrollSelectedFGColor"
-      reference="White" />
-  <color
-      name="ScrollUnselectedColor"
-      reference="LtGray" />
-  <color
-      name="ScrollbarThumbColor"
-      reference="White" />
-  <color
-      name="ScrollbarTrackColor"
-      reference="Black" />
-  <color
-      name="SelectedOutfitTextColor"
-      reference="EmphasisColor" />
-  <color
-      name="SilhouetteChildColor"
-      value="0.13 0.42 0.77 1" />
-  <color
-      name="SilhouetteParentColor"
-      reference="Yellow" />
-  <color
-      name="SliderDisabledThumbColor"
-      reference="White_25" />
-  <color
-      name="SliderThumbCenterColor"
-      reference="White" />
-  <color
-      name="SliderThumbOutlineColor"
-      reference="White" />
-  <color
-      name="SliderTrackColor"
-      reference="Unused?" />
-  <color
-      name="SpeakingColor"
-      reference="FrogGreen" />
-  <color
-      name="SystemChatColor"
-      reference="LtGray" />
-  <color
-      name="TextBgFocusColor"
-      reference="White" />
-  <color
-      name="TextBgReadOnlyColor"
-      reference="White_05" />
-  <color
-      name="TextBgWriteableColor"
-      reference="LtGray" />
-  <color
-      name="TextCursorColor"
-      reference="Black" />
-  <color
-      name="TextDefaultColor"
-      reference="Black" />
-  <color
-      name="TextEmbeddedItemColor"
-      value="0 0 0.5 1" />
-  <color
-      name="TextEmbeddedItemReadOnlyColor"
-      reference="Unused?" />
-  <color
-      name="TextFgColor"
-      value="0.102 0.102 0.102 1" />
-  <color
-      name="TextFgReadOnlyColor"
-      reference="LtGray" />
-  <color
-      name="TextFgTentativeColor"
-      value="0.4 0.4 0.4 1" />
-  <color
-      name="TimeTextColor"
-      reference="LtGray" />
-  <color
-      name="TitleBarFocusColor"
-      reference="White_10" />
-  <color
-      name="ToastBackground"
-      value="0.3 0.3 0.3 0" />
-  <color
-      name="ToolTipBgColor"
-      value="0.937 0.89 0.655 1" />
-  <color
-      name="ToolTipBorderColor"
-      value="0.812 0.753 0.451 1" />
-  <color
-      name="ToolTipTextColor"
-      reference="DkGray2" />
-  <color
-      name="InspectorTipTextColor"
-      reference="LtGray" />
-  <color
-      name="UserChatColor"
-      reference="White" />
-  <color
-      name="llOwnerSayChatColor"
-      reference="LtYellow" />
+    <color
+     name="ScrollBgWriteableColor"
+     reference="White_05" />
+    <color
+     name="ScrollDisabledColor"
+     reference="White_25" />
+    <color
+     name="ScrollHighlightedColor"
+     reference="Unused?" />
+    <color
+     name="ScrollHoveredColor"
+     reference="EmphasisColor_13" />
+    <color
+     name="ScrollSelectedBGColor"
+     reference="EmphasisColor_35" />
+    <color
+     name="ScrollSelectedFGColor"
+     reference="White" />
+    <color
+     name="ScrollUnselectedColor"
+     reference="LtGray" />
+    <color
+     name="ScrollbarThumbColor"
+     reference="White" />
+    <color
+     name="ScrollbarTrackColor"
+     reference="Black" />
+    <color
+     name="SelectedOutfitTextColor"
+     reference="EmphasisColor" />
+    <color
+     name="SilhouetteChildColor"
+     value="0.13 0.42 0.77 1" />
+    <color
+     name="SilhouetteParentColor"
+     reference="Yellow" />
+    <color
+     name="SliderDisabledThumbColor"
+     reference="White_25" />
+    <color
+     name="SliderThumbCenterColor"
+     reference="White" />
+    <color
+     name="SliderThumbOutlineColor"
+     reference="White" />
+    <color
+     name="SliderTrackColor"
+     reference="Unused?" />
+    <color
+     name="SpeakingColor"
+     reference="FrogGreen" />
+    <color
+     name="SystemChatColor"
+     reference="LtGray" />
+    <color
+     name="TextBgFocusColor"
+     reference="White" />
+    <color
+     name="TextBgReadOnlyColor"
+	 reference="White_05" />
+    <color
+     name="TextBgWriteableColor"
+     reference="LtGray" />
+    <color
+     name="TextCursorColor"
+     reference="Black" />
+    <color
+     name="TextDefaultColor"
+     reference="Black" />
+    <color
+     name="TextEmbeddedItemColor"
+     value="0 0 0.5 1" />
+    <color
+     name="TextEmbeddedItemReadOnlyColor"
+     reference="Unused?" />
+    <color
+     name="TextFgColor"
+     value="0.102 0.102 0.102 1" />
+    <color
+     name="TextFgReadOnlyColor"
+     reference="LtGray" />
+    <color
+     name="TextFgTentativeColor"
+     value="0.4 0.4 0.4 1" />
+    <color
+     name="TimeTextColor"
+     reference="LtGray" />
+    <color
+     name="TitleBarFocusColor"
+     reference="White_10" />
+    <color
+     name="ToastBackground"
+     value="0.3 0.3 0.3 0" />
+    <color
+     name="ToolTipBgColor"
+     value="0.937 0.89 0.655 1" />
+    <color
+     name="ToolTipBorderColor"
+     value="0.812 0.753 0.451 1" />
+    <color
+     name="ToolTipTextColor"
+     reference="DkGray2" />
+    <color
+     name="InspectorTipTextColor"
+     reference="LtGray" />
+    <color
+     name="UserChatColor"
+     reference="Yellow" />
+    <color
+     name="llOwnerSayChatColor"
+     reference="LtYellow" />
 
-  <!-- New Colors -->
-  <color
-      name="OutputMonitorMutedColor"
-      reference="DkGray2" />
-  <color
-      name="SysWellItemUnselected"
-      value="0 0 0 0" />
-  <color
-      name="SysWellItemSelected"
-      value="0.3 0.3 0.3 1.0" />
-  <color
-      name="ColorSwatchBorderColor"
-      value="0.45098 0.517647 0.607843 1"/>
-  <color
-      name="ChatTimestampColor"
-      reference="White" />
-  <color
-      name="MenuBarProjectBgColor"
-      reference="MdBlue" />
+    <!-- New Colors -->
+    <color
+     name="OutputMonitorMutedColor"
+     reference="DkGray2" />
+    <color
+     name="SysWellItemUnselected"
+     value="0 0 0 0" />
+    <color
+     name="SysWellItemSelected"
+     value="0.3 0.3 0.3 1.0" />
+    <color
+    name="ColorSwatchBorderColor"
+    value="0.45098 0.517647 0.607843 1"/>
+    <color
+     name="ChatTimestampColor"
+     reference="White" />
+    <color
+     name="MenuBarProjectBgColor"
+     reference="MdBlue" />
   
-  <color
+    <color
       name="MeshImportTableNormalColor"
       value="1 1 1 1"/>
-  <color
+    <color
       name="MeshImportTableHighlightColor"
       value="0.2 0.8 1 1"/>
 
-  <color
-      name="DirectChatColor"
-      reference="LtOrange" />
+    <color
+     name="DirectChatColor"
+     reference="LtOrange" />
 
-  <color
+    <color
       name="ToolbarDropZoneColor"
       value=".48 .69 1 .5" />
   
-  <!-- Generic color names (legacy) -->
+    <!-- Generic color names (legacy) -->
   <color
-      name="white"
-      value="1 1 1 1"/>
+    name="white"
+    value="1 1 1 1"/>
   <color
-      name="black"
-      value="0 0 0 1"/>
+    name="black"
+    value="0 0 0 1"/>
   <color
-      name="red"
-      value="1 0 0 1"/>
+    name="red"
+    value="1 0 0 1"/>
   <color
-      name="green"
-      value="0 1 0 1"/>
+    name="green"
+    value="0 1 0 1"/>
   <color
-      name="blue"
-      value="0 0 1 1"/>
+    name="blue"
+    value="0 0 1 1"/>
 </colors>
diff --git a/indra/newview/skins/default/textures/bottomtray/Unread_IM.png b/indra/newview/skins/default/textures/bottomtray/Unread_IM.png
deleted file mode 100644
index 5c0c85b864..0000000000
--- a/indra/newview/skins/default/textures/bottomtray/Unread_IM.png
+++ /dev/null
diff --git a/indra/newview/skins/default/textures/bottomtray/VoicePTT_Lvl1_Dark.png b/indra/newview/skins/default/textures/bottomtray/VoicePTT_Lvl1_Dark.png
deleted file mode 100644
index 857fa1e047..0000000000
--- a/indra/newview/skins/default/textures/bottomtray/VoicePTT_Lvl1_Dark.png
+++ /dev/null
diff --git a/indra/newview/skins/default/textures/bottomtray/VoicePTT_Lvl2_Dark.png b/indra/newview/skins/default/textures/bottomtray/VoicePTT_Lvl2_Dark.png
deleted file mode 100644
index 453bb53673..0000000000
--- a/indra/newview/skins/default/textures/bottomtray/VoicePTT_Lvl2_Dark.png
+++ /dev/null
diff --git a/indra/newview/skins/default/textures/bottomtray/VoicePTT_Lvl3_Dark.png b/indra/newview/skins/default/textures/bottomtray/VoicePTT_Lvl3_Dark.png
deleted file mode 100644
index 135a66ca0d..0000000000
--- a/indra/newview/skins/default/textures/bottomtray/VoicePTT_Lvl3_Dark.png
+++ /dev/null
diff --git a/indra/newview/skins/default/textures/bottomtray/VoicePTT_Off_Dark.png b/indra/newview/skins/default/textures/bottomtray/VoicePTT_Off_Dark.png
deleted file mode 100644
index a63aec5e6d..0000000000
--- a/indra/newview/skins/default/textures/bottomtray/VoicePTT_Off_Dark.png
+++ /dev/null
diff --git a/indra/newview/skins/default/textures/bottomtray/VoicePTT_On_Dark.png b/indra/newview/skins/default/textures/bottomtray/VoicePTT_On_Dark.png
deleted file mode 100644
index 1719eb3e84..0000000000
--- a/indra/newview/skins/default/textures/bottomtray/VoicePTT_On_Dark.png
+++ /dev/null
diff --git a/indra/newview/skins/default/textures/icons/Conv_log_inbox.png b/indra/newview/skins/default/textures/icons/Conv_log_inbox.png
new file mode 100644
index 0000000000..bb6ca28147
--- /dev/null
+++ b/indra/newview/skins/default/textures/icons/Conv_log_inbox.png
diff --git a/indra/newview/skins/default/textures/icons/Conv_toolbar_add_person.png b/indra/newview/skins/default/textures/icons/Conv_toolbar_add_person.png
new file mode 100755
index 0000000000..0631f16f3b
--- /dev/null
+++ b/indra/newview/skins/default/textures/icons/Conv_toolbar_add_person.png
diff --git a/indra/newview/skins/default/textures/icons/Conv_toolbar_arrow_ne.png b/indra/newview/skins/default/textures/icons/Conv_toolbar_arrow_ne.png
new file mode 100755
index 0000000000..578482f5ed
--- /dev/null
+++ b/indra/newview/skins/default/textures/icons/Conv_toolbar_arrow_ne.png
diff --git a/indra/newview/skins/default/textures/icons/Conv_toolbar_arrow_sw.png b/indra/newview/skins/default/textures/icons/Conv_toolbar_arrow_sw.png
new file mode 100755
index 0000000000..7676131790
--- /dev/null
+++ b/indra/newview/skins/default/textures/icons/Conv_toolbar_arrow_sw.png
diff --git a/indra/newview/skins/default/textures/icons/Conv_toolbar_call_log.png b/indra/newview/skins/default/textures/icons/Conv_toolbar_call_log.png
new file mode 100755
index 0000000000..2880eb766a
--- /dev/null
+++ b/indra/newview/skins/default/textures/icons/Conv_toolbar_call_log.png
diff --git a/indra/newview/skins/default/textures/icons/Conv_toolbar_close.png b/indra/newview/skins/default/textures/icons/Conv_toolbar_close.png
new file mode 100755
index 0000000000..d009c8f446
--- /dev/null
+++ b/indra/newview/skins/default/textures/icons/Conv_toolbar_close.png
diff --git a/indra/newview/skins/default/textures/icons/Conv_toolbar_collapse.png b/indra/newview/skins/default/textures/icons/Conv_toolbar_collapse.png
new file mode 100755
index 0000000000..8d82960e28
--- /dev/null
+++ b/indra/newview/skins/default/textures/icons/Conv_toolbar_collapse.png
diff --git a/indra/newview/skins/default/textures/icons/Conv_toolbar_expand.png b/indra/newview/skins/default/textures/icons/Conv_toolbar_expand.png
new file mode 100755
index 0000000000..f718d3fc60
--- /dev/null
+++ b/indra/newview/skins/default/textures/icons/Conv_toolbar_expand.png
diff --git a/indra/newview/skins/default/textures/icons/Conv_toolbar_hang_up.png b/indra/newview/skins/default/textures/icons/Conv_toolbar_hang_up.png
new file mode 100755
index 0000000000..315e2c581a
--- /dev/null
+++ b/indra/newview/skins/default/textures/icons/Conv_toolbar_hang_up.png
diff --git a/indra/newview/skins/default/textures/icons/Conv_toolbar_open_call.png b/indra/newview/skins/default/textures/icons/Conv_toolbar_open_call.png
new file mode 100755
index 0000000000..732ab02a20
--- /dev/null
+++ b/indra/newview/skins/default/textures/icons/Conv_toolbar_open_call.png
diff --git a/indra/newview/skins/default/textures/icons/Conv_toolbar_plus.png b/indra/newview/skins/default/textures/icons/Conv_toolbar_plus.png
new file mode 100755
index 0000000000..25a32cb2ba
--- /dev/null
+++ b/indra/newview/skins/default/textures/icons/Conv_toolbar_plus.png
diff --git a/indra/newview/skins/default/textures/icons/Conv_toolbar_sort.png b/indra/newview/skins/default/textures/icons/Conv_toolbar_sort.png
new file mode 100755
index 0000000000..08debeb91f
--- /dev/null
+++ b/indra/newview/skins/default/textures/icons/Conv_toolbar_sort.png
diff --git a/indra/newview/skins/default/textures/icons/nearby_chat_icon.png b/indra/newview/skins/default/textures/icons/nearby_chat_icon.png
new file mode 100644
index 0000000000..5ac4258b9d
--- /dev/null
+++ b/indra/newview/skins/default/textures/icons/nearby_chat_icon.png
diff --git a/indra/newview/skins/default/textures/textures.xml b/indra/newview/skins/default/textures/textures.xml
index 06f8f8c670..a07d7e4855 100644
--- a/indra/newview/skins/default/textures/textures.xml
+++ b/indra/newview/skins/default/textures/textures.xml
@@ -162,7 +162,22 @@ with the same filename but different name
   <texture name="ComboButton_On" file_name="widgets/ComboButton_On.png" preload="true" scale.left="2" scale.top="19" scale.right="18" scale.bottom="2" />
   <texture name="ComboButton_Off" file_name="widgets/ComboButton_Off.png" preload="true" scale.left="2" scale.top="19" scale.right="18" scale.bottom="2" />
   <texture name="ComboButton_UpOff" file_name="widgets/ComboButton_UpOff.png" preload="true" scale.left="2" scale.top="19" scale.right="18" scale.bottom="2" />
+
   <texture name="Container" file_name="containers/Container.png" preload="false" />
+
+  <texture name="Conv_toolbar_add_person" file_name="icons/Conv_toolbar_add_person.png" preload="false" />
+  <texture name="Conv_toolbar_arrow_ne" file_name="icons/Conv_toolbar_arrow_ne.png" preload="false" />
+  <texture name="Conv_toolbar_arrow_sw" file_name="icons/Conv_toolbar_arrow_sw.png" preload="false" />
+  <texture name="Conv_toolbar_call_log" file_name="icons/Conv_toolbar_call_log.png" preload="false" />
+  <texture name="Conv_toolbar_close" file_name="icons/Conv_toolbar_close.png" preload="false" />
+  <texture name="Conv_toolbar_collapse" file_name="icons/Conv_toolbar_collapse.png" preload="false" />
+  <texture name="Conv_toolbar_expand" file_name="icons/Conv_toolbar_expand.png" preload="false" />
+  <texture name="Conv_toolbar_hang_up" file_name="icons/Conv_toolbar_hang_up.png" preload="false" />
+  <texture name="Conv_toolbar_open_call" file_name="icons/Conv_toolbar_open_call.png" preload="false" />
+  <texture name="Conv_toolbar_plus" file_name="icons/Conv_toolbar_plus.png" preload="false" />
+  <texture name="Conv_toolbar_sort" file_name="icons/Conv_toolbar_sort.png" preload="false" />
+  <texture name="Conv_log_inbox" file_name="icons/Conv_log_inbox.png" preload="false" />
+
   <texture name="Copy" file_name="icons/Copy.png" preload="false" />
   
   <texture name="DisclosureArrow_Opened_Off" file_name="widgets/DisclosureArrow_Opened_Off.png" preload="true" />
@@ -348,6 +363,8 @@ with the same filename but different name
   <texture name="NavBar_BG_NoFav_Bevel" file_name="navbar/NavBar_BG_NoFav_Bevel.png" preload="true" scale.left="1" scale.top="1" scale.right="0" scale.bottom="0" />
   <texture name="NavBar_BG_NoNav_Bevel" file_name="navbar/NavBar_BG_NoNav_Bevel.png" preload="true" scale.left="1" scale.top="1" scale.right="0" scale.bottom="0" />
 
+  <texture name="Nearby_chat_icon" file_name="icons/nearby_chat_icon.png" preload="false" />
+
   <texture name="Notices_Unread" file_name="bottomtray/Notices_Unread.png" preload="true" />
 
   <texture name="NoEntryLines" file_name="world/NoEntryLines.png" use_mips="true" preload="false" />
@@ -625,7 +642,6 @@ with the same filename but different name
   <texture name="TrashItem_Press" file_name="icons/TrashItem_Press.png" preload="false" />
 
   <texture name="Unread_Chiclet" file_name="bottomtray/Unread_Chiclet.png" preload="false" />
-  <texture name="Unread_IM" file_name="bottomtray/Unread_IM.png" preload="false" />
 
   <texture name="UpArrow_Off" file_name="icons/UpArrow_Off.png" preload="false" />
 
@@ -638,12 +654,6 @@ with the same filename but different name
   <texture name="VoicePTT_Off" file_name="bottomtray/VoicePTT_Off.png" preload="false" />
   <texture name="VoicePTT_On" file_name="bottomtray/VoicePTT_On.png" preload="false" />
   
-  <texture name="VoicePTT_Lvl1_Dark" file_name="bottomtray/VoicePTT_Lvl1_Dark.png" preload="false" />
-  <texture name="VoicePTT_Lvl2_Dark" file_name="bottomtray/VoicePTT_Lvl2_Dark.png" preload="false" />
-  <texture name="VoicePTT_Lvl3_Dark" file_name="bottomtray/VoicePTT_Lvl3_Dark.png" preload="false" />
-  <texture name="VoicePTT_Off_Dark" file_name="bottomtray/VoicePTT_Off_Dark.png" preload="false" />
-  <texture name="VoicePTT_On_Dark" file_name="bottomtray/VoicePTT_On_Dark.png" preload="false" />
-
   <texture name="Wearables_Divider" file_name="windows/Wearables_Divider.png" preload="false" />
 
   <texture name="Web_Profile_Off" file_name="icons/Web_Profile_Off.png" preload="false" />
diff --git a/indra/newview/skins/default/xui/da/menu_im_well_button.xml b/indra/newview/skins/default/xui/da/menu_im_well_button.xml
deleted file mode 100644
index 4889230919..0000000000
--- a/indra/newview/skins/default/xui/da/menu_im_well_button.xml
+++ /dev/null
@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes"?>
-<context_menu name="IM Well Button Context Menu">
-	<menu_item_call label="Luk alle" name="Close All"/>
-</context_menu>
diff --git a/indra/newview/skins/default/xui/da/panel_nearby_chat_bar.xml b/indra/newview/skins/default/xui/da/panel_nearby_chat_bar.xml
index 949cbcbd7b..eb104201f8 100644
--- a/indra/newview/skins/default/xui/da/panel_nearby_chat_bar.xml
+++ b/indra/newview/skins/default/xui/da/panel_nearby_chat_bar.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes"?>
-<panel name="chat_bar">
+<panel name="nearby_chat">
 	<line_editor label="Klik her for at chatte." name="chat_box" tool_tip="Tryk på enter for at tale, Ctrl-Enter for at råbe."/>
 	<button name="show_nearby_chat" tool_tip="Viser/skjuler log for chat nærved"/>
 </panel>
diff --git a/indra/newview/skins/default/xui/de/floater_chat_bar.xml b/indra/newview/skins/default/xui/de/floater_chat_bar.xml
index 2464a55665..ab77d4dae5 100644
--- a/indra/newview/skins/default/xui/de/floater_chat_bar.xml
+++ b/indra/newview/skins/default/xui/de/floater_chat_bar.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes"?>
-<floater name="chat_bar" title="CHAT IN DER NÄHE">
+<floater name="nearby_chat" title="CHAT IN DER NÄHE">
 	<panel name="bottom_panel">
 		<line_editor label="Zum Chatten hier klicken." name="chat_box" tool_tip="Eingabetaste zum Sprechen, Strg+Eingabe zum Rufen"/>
 		<button name="show_nearby_chat" tool_tip="Chatprotokoll in der Nähe ein-/ausblenden"/>
diff --git a/indra/newview/skins/default/xui/de/menu_im_well_button.xml b/indra/newview/skins/default/xui/de/menu_im_well_button.xml
deleted file mode 100644
index f464b71f4a..0000000000
--- a/indra/newview/skins/default/xui/de/menu_im_well_button.xml
+++ /dev/null
@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes"?>
-<context_menu name="IM Well Button Context Menu">
-	<menu_item_call label="Alle schließen" name="Close All"/>
-</context_menu>
diff --git a/indra/newview/skins/default/xui/de/panel_nearby_chat_bar.xml b/indra/newview/skins/default/xui/de/panel_nearby_chat_bar.xml
index 08cc0b0ec8..69cf6d98de 100644
--- a/indra/newview/skins/default/xui/de/panel_nearby_chat_bar.xml
+++ b/indra/newview/skins/default/xui/de/panel_nearby_chat_bar.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes"?>
-<panel name="chat_bar">
+<panel name="nearby_chat">
 	<line_editor label="Zum Chatten hier klicken." name="chat_box" tool_tip="Eingabe drücken, um zu sprechen, Strg-Eingabe drücken, um zu Rufen."/>
 	<button name="show_nearby_chat" tool_tip="Protokoll des Chats in der Nähe anzeigen/ausblenden"/>
 </panel>
diff --git a/indra/newview/skins/default/xui/en/floater_camera.xml b/indra/newview/skins/default/xui/en/floater_camera.xml
index 22bc488a92..521389d7b3 100644
--- a/indra/newview/skins/default/xui/en/floater_camera.xml
+++ b/indra/newview/skins/default/xui/en/floater_camera.xml
@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes" ?>
 <floater
  positioning="specified"
- left="458"
- bottom="-80"
+ right="-460"
+ bottom="-50"
  follows="left|bottom"
  legacy_header_height="18"
  can_minimize="true"
diff --git a/indra/newview/skins/default/xui/en/floater_chat_bar.xml b/indra/newview/skins/default/xui/en/floater_chat_bar.xml
deleted file mode 100644
index 405557242f..0000000000
--- a/indra/newview/skins/default/xui/en/floater_chat_bar.xml
+++ /dev/null
@@ -1,85 +0,0 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
-<floater
- positioning="specified"
- left="10"
- bottom="-10"
- height="60"
- layout="topleft"
- legacy_header_height="25"
- single_instance="true"
- title="NEARBY CHAT"
- save_rect="true"
- save_visibility="true"
- can_close="true"
- can_minimize="true"
- help_topic="chat_bar"
- min_height="60"
- min_width="150"
- can_resize="true"
- default_tab_group="1"
- name="chat_bar"
- width="300">
-    <panel
-        top="20"
-        class="panel_nearby_chat"
-        follow="all"
-        width="300"
-        height="0"
-        visible="false"
-        filename="panel_nearby_chat.xml"
-        name="nearby_chat" />
-    <panel width="300" 
-           height="31" 
-           left="0" 
-           name="bottom_panel"
-           bottom="-1" 
-           follows="left|right|bottom" 
-           tab_group="1">
-      <line_editor
-        border_style="line"
-        border_thickness="1"
-        follows="left|right"
-        height="23"
-        label="Click here to chat."
-        layout="topleft"
-        left_delta="7"
-        left="0"
-        max_length_bytes="1023"
-        name="chat_box"
-        spellcheck="true"
-        text_pad_left="5"
-        text_pad_right="25"
-        tool_tip="Press Enter to say, Ctrl+Enter to shout"
-        top="2"
-        width="255" />
-      <output_monitor
-        auto_update="true"
-        follows="right"
-        draw_border="false"
-        height="16"
-        layout="topleft"
-        left_pad="-24"
-        mouse_opaque="true"
-        name="chat_zone_indicator"
-        top="6"
-        visible="true"
-        width="20" />
-      <button
-        follows="right"
-        is_toggle="true"
-        width="20"
-        top="2"
-        layout="topleft"
-        left_pad="12"
-        image_disabled="ComboButton_UpOff"
-        image_unselected="ComboButton_UpOff"
-        image_selected="ComboButton_On"
-        image_pressed="ComboButton_UpSelected"
-        image_pressed_selected="ComboButton_Selected"
-        height="23"
-        chrome="true"
-        name="show_nearby_chat"
-        tool_tip="Shows/hides nearby chat log">
-      </button>
-    </panel>
-</floater>
diff --git a/indra/newview/skins/default/xui/en/floater_conversation_log.xml b/indra/newview/skins/default/xui/en/floater_conversation_log.xml
new file mode 100644
index 0000000000..256e03c4d7
--- /dev/null
+++ b/indra/newview/skins/default/xui/en/floater_conversation_log.xml
@@ -0,0 +1,86 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
+
+<floater
+ can_resize="true"
+ positioning="cascading"
+ height="200"
+ min_height="100"
+ min_width="230"
+ layout="topleft"
+ name="floater_conversation_log"
+ save_rect="true"
+ single_instance="true"
+ reuse_instance="true"
+ title="CONVERSATION LOG"
+ width="300">
+  <string name="logging_calls_disabled">
+     Conversations are not being logged. To log conversations in the future, select "Save IM logs on my computer" under Preferences > Privacy.
+  </string>
+  <panel
+   follows="left|top|right"
+   height="32"
+   left="0"
+   name="buttons_panel"
+   top="0">
+    <filter_editor
+     follows="left|top|right"
+     height="23"
+     layout="topleft"
+     left="8"
+     label="Filter People"
+     max_length_chars="300"
+     name="people_filter_input"
+     text_color="Black"
+     text_pad_left="10"
+     top="4"
+     width="204" />
+    <menu_button
+     follows="top|right"
+     height="25"
+     image_hover_unselected="Toolbar_Middle_Over"
+     image_overlay="Conv_toolbar_sort"
+     image_selected="Toolbar_Middle_Selected"
+     image_unselected="Toolbar_Middle_Off"
+     layout="topleft"
+     left_pad="8"
+     menu_filename="menu_conversation_log_view.xml"
+     menu_position="bottomleft"
+     name="conversation_view_btn"
+     tool_tip="View/sort options"
+     top="3"
+     width="31" />
+    <menu_button
+     follows="top|right"
+     height="25"
+     image_hover_unselected="Toolbar_Middle_Over"
+     image_overlay="OptionsMenu_Off"
+     image_selected="Toolbar_Middle_Selected"
+     image_unselected="Toolbar_Middle_Off"
+     layout="topleft"
+     left_pad="8"
+     name="conversations_gear_btn"
+     tool_tip="Actions on selected person or group"
+     top="3"
+     width="31" />
+  </panel>
+  <panel
+   bottom="-1"
+   follows="all"
+   left="0"
+   name="log_panel"
+   right="-1"
+   top="32">
+    <conversation_log_list
+     allow_select="true"
+     bottom="-8"
+     opaque="true"
+     follows="all"
+     left="8"
+     keep_selection_visible_on_reshape="true"
+     item_pad="2"
+     multi_select="false"
+     name="conversation_log_list"
+     right="-8"
+     top="0" />
+  </panel>
+</floater>
diff --git a/indra/newview/skins/default/xui/en/floater_conversation_preview.xml b/indra/newview/skins/default/xui/en/floater_conversation_preview.xml
new file mode 100644
index 0000000000..6f1ddaaf4f
--- /dev/null
+++ b/indra/newview/skins/default/xui/en/floater_conversation_preview.xml
@@ -0,0 +1,63 @@
+<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
+<floater
+ legacy_header_height="18"
+ can_resize="true"
+ default_tab_group="1"
+ height="391"
+ layout="topleft"
+ min_height="243"
+ min_width="234"
+ name="preview_conversation"
+ title="CONVERSATION:"
+ width="400">
+    <floater.string
+     name="Title">
+        CONVERSATION: [NAME]
+    </floater.string>
+    <chat_history
+     font="SansSerifSmall"
+     follows="all"
+     visible="true"
+     height="330"
+     name="chat_history"
+     notify_unread_msg="false"
+     parse_highlights="true"
+     parse_urls="true"
+     left="5"
+     top_pad="25"
+     width="390">
+    </chat_history>
+    <text
+     follows="bottom|right"
+     font="SansSerif"
+     height="22"
+     layout="topleft"
+     name="page_label"
+     right="-110"
+     top_pad="7"
+     value="Page"
+     width="35">
+    </text>
+    <spinner
+     allow_digits_only="true"
+     decimal_digits="0"
+     follows="bottom|right"
+     height="23"
+     increment="1"
+     label_width="40"
+     layout="topleft"
+     left_pad="0"
+     name="history_page_spin"
+     top_delta="-3"
+     width="50"/>
+    <text
+     follows="bottom|right"
+     font="SansSerif"
+     height="22"
+     layout="topleft"
+     name="page_num_label"
+     left_pad="5"
+     top_delta="4"
+     width="40">
+    </text>
+</floater>
diff --git a/indra/newview/skins/default/xui/en/floater_destinations.xml b/indra/newview/skins/default/xui/en/floater_destinations.xml
index 39aa8e07bb..94ebaa9cb2 100644
--- a/indra/newview/skins/default/xui/en/floater_destinations.xml
+++ b/indra/newview/skins/default/xui/en/floater_destinations.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes" ?>
 <floater
- positioning="cascading"
+ positioning="cascading"	
  ignore_ui_scale="false"
  legacy_header_height="225"
  can_minimize="true"
@@ -17,11 +17,11 @@
  save_rect="true"
  save_visibility="true"
  title="DESTINATIONS"
- width="840">
+ width="550">
     <web_browser
       top="25"
       height="200"
-      width="840"
+      width="550"
       follows="all"
       name="destination_guide_contents"
       trusted_content="true"/>
diff --git a/indra/newview/skins/default/xui/en/floater_im_container.xml b/indra/newview/skins/default/xui/en/floater_im_container.xml
index e123de46c2..12c1676127 100644
--- a/indra/newview/skins/default/xui/en/floater_im_container.xml
+++ b/indra/newview/skins/default/xui/en/floater_im_container.xml
@@ -1,49 +1,180 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes" ?>
 <multi_floater
- can_close="false"  
+ can_close="true"  
  can_minimize="true"
  can_resize="true"
- height="390"
+ height="210"
  layout="topleft"
  name="floater_im_box"
  help_topic="floater_im_box"
  save_rect="true"
  save_visibility="true"
  single_instance="true"
+ reuse_instance="true"
  title="CONVERSATIONS"
- width="396">
-    <tab_container
-     follows="left|right|top|bottom"
-     height="390"
+ bottom="-50"
+ right="-5"
+ width="450"
+ min_width="38">
+    <string
+     name="collapse_icon"
+     value="Conv_toolbar_collapse"/>
+    <string
+     name="expand_icon"
+     value="Conv_toolbar_expand"/>
+    <layout_stack
+     animate="true" 
+     bottom="-1"
+     follows="all"
      layout="topleft"
-     left="1"
-     name="im_box_tab_container"
-     tab_position="bottom"
-     tab_width="64"
-     tab_max_width = "134"
-     tab_height="16"
-     use_custom_icon_ctrl="true"
-     tab_icon_ctrl_pad="2"
-     halign="left"
-     use_ellipses="true"
-     top="0"
-     width="394">
-      <first_tab
-       tab_bottom_image_flash="Toolbar_Left_Flash"/>
-      <middle_tab
-       tab_bottom_image_flash="Toolbar_Middle_Flash"/>
-      <last_tab
-       tab_bottom_image_flash="Toolbar_Right_Flash"/>
-    </tab_container>
-    <icon
-     color="DefaultShadowLight"
-     enabled="false"
-     follows="left|right|bottom"
-     height="17"
-     image_name="tabarea.tga"
-     layout="bottomleft"
-     left="1"
-     name="im_box_tab_container_icon"
-     bottom="10"
-     width="394" />
+     left="0"
+     name="conversations_stack"
+     orientation="horizontal"
+     right="-1"
+     top="0">
+        <layout_panel
+         auto_resize="false"
+         user_resize="true"        
+         name="conversations_layout_panel"
+         min_dim="38"
+         expanded_min_dim="156">
+            <layout_stack
+             animate="false" 
+             follows="left|top|right"
+             height="35"
+             layout="topleft"
+             left="0"
+             name="conversations_pane_buttons_stack"
+             orientation="horizontal"
+             right="-1"
+             top="0">
+                <layout_panel
+                 auto_resize="true"
+                 height="35"
+                 name="conversations_pane_buttons_expanded">
+                    <menu_button
+                     follows="top|left"
+                     height="25"
+                     image_hover_unselected="Toolbar_Middle_Over"
+                     image_overlay="Conv_toolbar_sort"
+                     image_selected="Toolbar_Middle_Selected"
+                     image_unselected="Toolbar_Middle_Off"
+                     menu_filename="menu_participant_view.xml"
+                     layout="topleft"
+                     left="10"
+                     name="sort_btn"
+                     tool_tip="View/sort options"
+                     top="5"
+                     width="31" />
+                    <button
+                     follows="top|left"
+                     height="25"
+                     image_hover_unselected="Toolbar_Middle_Over"
+                     image_overlay="Conv_toolbar_plus"
+                     image_selected="Toolbar_Middle_Selected"
+                     image_unselected="Toolbar_Middle_Off"
+                     layout="topleft"
+                     top="5"
+                     left_pad="4"
+                     name="add_btn"
+                     tool_tip="Start a new conversation"
+                     width="31"/>
+                    <button
+                     follows="top|left"
+                     height="25"
+                     image_hover_unselected="Toolbar_Middle_Over"
+                     image_overlay="Command_Speak_Icon"
+                     image_selected="Toolbar_Middle_Selected"
+                     image_unselected="Toolbar_Middle_Off"
+                     layout="topleft"
+                     top="5"
+                     left_pad="4"
+                     name="speak_btn"
+                     tool_tip="Speak with people using your microphone"
+                     width="31"/>	
+                </layout_panel>
+                <layout_panel
+                 auto_resize="false"
+                 height="35"
+                 name="conversations_pane_buttons_collapsed"
+                 width="41">
+                    <button
+                     follows="right|top"
+                     height="25"
+                     image_hover_unselected="Toolbar_Middle_Over"
+                     image_overlay="Conv_toolbar_collapse"
+                     image_selected="Toolbar_Middle_Selected"
+                     image_unselected="Toolbar_Middle_Off"
+                     layout="topleft"
+                     top="5"
+                     left="1"
+                     name="expand_collapse_btn"
+                     tool_tip="Collapse/Expand this list"
+                     width="31" />
+                </layout_panel>
+            </layout_stack>
+            <panel
+             bottom="-5"
+             follows="all"
+             layout="topleft"
+             name="conversations_list_panel"
+             opaque="true"
+             top="35"
+             left="5"
+             right="-1"/>
+        </layout_panel>
+        <layout_panel
+         auto_resize="true"
+         user_resize="true"
+         name="messages_layout_panel"
+         expanded_min_dim="222">
+            <panel_container
+             bottom="-5"
+             follows="all"
+             layout="topleft"
+             left="0"
+             name="im_box_tab_container"
+             right="-1"
+             top="0">
+             <panel
+               bottom="-1"
+               follows="all"
+               layout="topleft"
+               name="stub_panel"
+               opaque="true"
+               top_pad="0"
+               left="0"
+               right="-1">
+                 <button
+                 follows="right|top"
+                 height="25"
+                 image_hover_unselected="Toolbar_Middle_Over"
+                 image_overlay="Conv_toolbar_collapse"
+                 image_selected="Toolbar_Middle_Selected"
+                 image_unselected="Toolbar_Middle_Off"
+                 layout="topleft"
+                 top="5"
+                 right="-10"
+                 name="stub_collapse_btn"
+                 tool_tip="Collapse this pane"
+                 width="31" />
+                 <text
+                   type="string"
+                   clip_partial="false"
+                   follows="left|top|right"
+                   layout="topleft"
+                   left="15"
+                   right="-15"
+                   name="stub_textbox"
+                   top="25"
+                   height="40"
+                   valign="center"
+                   parse_urls="true"
+                   wrap="true">
+                   This conversation is in a separate window.   [secondlife:/// Bring it back.]
+                 </text>
+             </panel>
+            </panel_container>
+        </layout_panel>
+    </layout_stack>
 </multi_floater>
diff --git a/indra/newview/skins/default/xui/en/floater_im_session.xml b/indra/newview/skins/default/xui/en/floater_im_session.xml
index 040b66623e..8f0574177f 100644
--- a/indra/newview/skins/default/xui/en/floater_im_session.xml
+++ b/indra/newview/skins/default/xui/en/floater_im_session.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes" ?>
 <floater
- legacy_header_height="18"
  background_visible="true"
  default_tab_group="1"
  height="355"
@@ -10,84 +9,300 @@
  can_dock="false"
  can_minimize="true"
  can_close="true"
+ save_rect="true"
  visible="false"
  width="394"
  can_resize="true"
- min_width="250"
- min_height="190">
+ can_tear_off="false"
+ min_width="340"
+ min_height="190"
+ positioning="relative">
+    <floater.string name="call_btn_start">Conv_toolbar_open_call</floater.string>
+    <floater.string name="call_btn_stop">Conv_toolbar_hang_up</floater.string>
+    <floater.string
+     name="collapse_icon"
+     value="Conv_toolbar_collapse"/>
+    <floater.string
+     name="expand_icon"
+     value="Conv_toolbar_expand"/>
+    <floater.string
+     name="tear_off_icon"
+     value="Conv_toolbar_arrow_ne"/>
+    <floater.string
+     name="return_icon"
+     value="Conv_toolbar_arrow_sw"/>
+    <floater.string
+     name="participant_added"
+     value="[NAME] was invited to the conversation."/>
+    <floater.string
+     name="multiple_participants_added"
+     value="[NAME] were invited to the conversation."/>
+     <floater.string
+     name="tooltip_to_separate_window"
+     value="Move this conversation to a separate window"/>
+     <floater.string
+     name="tooltip_to_main_window"
+     value="Move this conversation back to main window"/>
+  <floater.string
+     name="start_call_button_tooltip"
+     value="Open voice connection"/>
+  <floater.string
+     name="end_call_button_tooltip"
+     value="Close voice connection"/>
+   <floater.string
+     name="expcol_button_not_tearoff_tooltip"
+     value="Collapse this pane"/>
+   <floater.string
+     name="expcol_button_tearoff_and_expanded_tooltip"
+     value="Collapse participant list"/>
+   <floater.string
+     name="expcol_button_tearoff_and_collapsed_tooltip"
+     value="Expand participant list"/>
+    <view
+        follows="all"
+        layout="topleft"
+        name="contents_view"
+        top="0"
+        left="0"
+        height="355"
+        width="394"> 
+     <panel
+         follows="left|top|right"
+         layout="topleft"
+         name="toolbar_panel"
+         top="0"
+         left="0"
+         height="35"
+         width="394">         
+             <menu_button
+                 menu_filename="menu_im_session_showmodes.xml"
+                 follows="top|left"
+                 height="25"
+                 image_hover_unselected="Toolbar_Middle_Over"
+                 image_overlay="Conv_toolbar_sort"
+                 image_selected="Toolbar_Middle_Selected"
+                 image_unselected="Toolbar_Middle_Off"
+                 layout="topleft"
+                 left="5"
+                 name="view_options_btn"
+                 tool_tip="View/sort options"
+                 top="5"
+                 width="31" />
+             <menu_button
+				 menu_filename="menu_im_conversation.xml"
+				 follows="top|left"
+				 height="25"
+				 image_hover_unselected="Toolbar_Middle_Over"
+				 image_overlay="OptionsMenu_Off"
+				 image_selected="Toolbar_Middle_Selected"
+				 image_unselected="Toolbar_Middle_Off"
+				 layout="topleft"
+			 	 top="5"
+			 	 left_pad="4"
+				 name="gear_btn"
+				 visible="false"
+				 tool_tip="Actions on selected person"
+				 width="31"/>
+             <button
+                 enabled="false"
+                 follows="top|left"
+                 height="25"
+                 image_hover_unselected="Toolbar_Middle_Over"
+                 image_overlay="Conv_toolbar_add_person"
+                 image_selected="Toolbar_Middle_Selected"
+                 image_unselected="Toolbar_Middle_Off"
+                 layout="topleft"
+                 top="5"
+                 left_pad="4"
+                 name="add_btn"
+                 tool_tip="Add someone to this conversation"
+                 width="31"/>
+             <button
+                 follows="top|left"
+                 height="25"
+                 image_hover_unselected="Toolbar_Middle_Over"
+                 image_overlay="Conv_toolbar_open_call"
+                 image_selected="Toolbar_Middle_Selected"
+                 image_unselected="Toolbar_Middle_Off"
+                 layout="topleft"
+                 top="5"
+                 left_pad="4"
+                 name="voice_call_btn"
+                 tool_tip="Open voice connection"
+                 width="31"/>
+              <output_monitor
+                  auto_update="true"
+                  follows="top|left"
+                  draw_border="false"
+                  height="16"
+                  layout="topleft"
+                  top="10"
+                  left_pad="10"
+                  mouse_opaque="true"
+                  name="speaking_indicator"
+                  visible="false"
+                  width="20" />       
+             <button
+                 follows="right|top"
+                 height="25"
+                 image_hover_unselected="Toolbar_Middle_Over"
+                 image_overlay="Conv_toolbar_close"
+                 image_selected="Toolbar_Middle_Selected"
+                 image_unselected="Toolbar_Middle_Off"
+                 layout="topleft"
+                 top="5"
+                 left="283"
+                 name="close_btn"
+                 tool_tip="End this conversation"
+                 width="31" />
+             <button
+                 follows="right|top"
+                 height="25"
+                 image_hover_unselected="Toolbar_Middle_Over"
+                 image_overlay="Conv_toolbar_collapse"
+                 image_selected="Toolbar_Middle_Selected"
+             	 image_unselected="Toolbar_Middle_Off"
+                 layout="topleft"
+                 top="5"
+                 left_pad="5"
+                 name="expand_collapse_btn"
+                 tool_tip="Collapse/Expand this pane"
+                 width="31" />
+             <button
+                 follows="right|top"
+                 height="25"
+                 image_hover_unselected="Toolbar_Middle_Over"
+                 image_overlay="Conv_toolbar_arrow_ne"
+                 image_selected="Toolbar_Middle_Selected"
+             	 image_unselected="Toolbar_Middle_Off"
+                 layout="topleft"
+                 top="5"
+                 left_pad="5"
+                 name="tear_off_btn"
+                 width="31" />
+     </panel>
   <layout_stack
    animate="true" 
    default_tab_group="2"
   follows="all"
-  height="320"
+  height="310"
   width="394"
   layout="topleft"
   orientation="horizontal"
   name="im_panels"
   tab_group="1"
-  top="20"
+  top_pad="0"
   left="0">
     <layout_panel
-      name="im_control_panel_holder"
+      name="speakers_list_panel"
+      follows="all"
       min_width="115"
       width="150" 
-      height="320" 
-      auto_resize="false">
-      <panel
-        name="panel_im_control_panel"
-        layout="topleft"
-        height="320"
-        width="150" 
-        follows="all"/>
+      height="310" 
+      user_resize="true"
+      auto_resize="true">
       </layout_panel>
     <layout_panel
        default_tab_group="3"
        left="0"
        tab_group="2"
+       follows="all"
        top="0"
-       height="200"
-	     width="244"
-       user_resize="true">
-        <button
-          height="20"
-          follows="left|top"
-          top="0"
-          left="2"
-          image_overlay="TabIcon_Open_Off"
+       height="310"
+	   width="244"
+       layout="topleft"
+       user_resize="true"
+       auto_resize="true"
+       visible="true"
+       name="left_part_holder"
+       min_width="221">
+        <panel
+         name="trnsAndChat_panel"
+         follows="all"
+         layout="topleft"
+         visible="true"
+         height="275"
+         width="244">
+         <layout_stack
+          animate="true" 
+          default_tab_group="2"
+          follows="all"
+          height="275"
+          width="244"
           layout="topleft"
-          width="25"
-          name="slide_left_btn" />
-         <button
-          height="20"
-          follows="left|top"
+          visible="true"
+          orientation="vertical"
+          name="translate_and_chat_stack"
+          tab_group="1"
+          left_pad="0"
           top="0"
-          left="2"
-          image_overlay="TabIcon_Close_Off"
-          width="25"
-          name="slide_right_btn" />
-        <chat_history
-	 font="SansSerifSmall"
-         follows="left|right|top|bottom"
-         height="150"
-         name="chat_history"
-         parse_highlights="true"
-         parse_urls="true"
-        left="1"
-         width="238">
-        </chat_history>
-        <line_editor
-         bottom="0"
-         left="3"
-         follows="left|right|bottom"
-	 font="SansSerifSmall"
-         height="20"
-         label="To"
-         layout="bottomleft"
-         name="chat_editor"
-         spellcheck="true"
-         tab_group="3"
-         width="236">
-        </line_editor>
+          left="0">
+            <layout_panel
+             auto_resize="false"
+             height="26"
+             layout="topleft"
+             left_delta="0"
+             name="translate_chat_checkbox_lp"
+             top_delta="0"
+             visible="true"
+             width="210">
+                <check_box
+                 top="10"
+                 control_name="TranslateChat"
+                 enabled="true"
+                 height="16"
+                 label="Translate chat"
+                 layout="topleft"
+                 left="5"
+                 name="translate_chat_checkbox"
+                 width="230" />
+            </layout_panel>
+            <layout_panel
+             height="248"
+             width="210"
+             layout="topleft"
+             follows="all"
+             left_delta="0"
+             top_delta="0"
+             bottom="0"
+             visible="true"
+             user_resize="true"
+             auto_resize="true"
+             name="chat_holder">      
+               <chat_history
+                font="SansSerifSmall"
+                follows="all"
+                visible="true"
+                height="240"
+                name="chat_history"
+                parse_highlights="true"
+                parse_urls="true"
+                right="-5"
+                left="5">
+               </chat_history>
+            </layout_panel>
+           </layout_stack>
+           </panel>
+            <chat_editor
+             bottom="0"
+             expand_lines_count="5"
+             follows="left|right|bottom"
+	           font="SansSerifSmall"
+             visible="true"
+             height="20"
+             is_expandable="true"
+             label="To"
+             text_tentative_color="TextFgTentativeColor"
+             layout="bottomleft"
+             name="chat_editor"
+             max_length="1023"
+             spellcheck="true"
+             tab_group="3"
+             width="220"
+             left="10"
+             wrap="true">
+            </chat_editor>
     </layout_panel>
   </layout_stack>
+    </view>
 </floater>
diff --git a/indra/newview/skins/default/xui/en/floater_incoming_call.xml b/indra/newview/skins/default/xui/en/floater_incoming_call.xml
index 81194f61cf..a7864381a9 100644
--- a/indra/newview/skins/default/xui/en/floater_incoming_call.xml
+++ b/indra/newview/skins/default/xui/en/floater_incoming_call.xml
@@ -8,8 +8,8 @@
  layout="topleft"
  name="incoming call"
  help_topic="incoming_call"
- title="Incoming call"
- width="410">
+ sound_flags="0"
+ width="550">
     <floater.string
      name="lifetime">
         5
@@ -24,7 +24,7 @@
     </floater.string>
     <floater.string
      name="VoiceInviteP2P">
-        is calling.
+        is calling you.
     </floater.string>
     <floater.string
      name="VoiceInviteAdHoc">
@@ -49,14 +49,14 @@
      image_name="icon_avatar_online.tga"
      layout="topleft"
      left_delta="19"
-     top="35"
+     top="20"
      width="36" />
     <group_icon
      enabled="false"
      follows="left|top"
      height="36"
      layout="topleft"
-     top="35"
+     top="20"
      width="36" />
     <text
      clip_partial="true"
@@ -67,43 +67,43 @@
      name="caller name"
      top="20"
      use_ellipses="true"
-     width="315"
+     width="475"
      word_wrap="true" />
-    <text
-     clip_partial="true"
-     font="SansSerif"
-     height="30"
-     layout="topleft"
-     left="77"
-     name="question"
-     top_pad="5"
-     use_ellipses="true"
-     width="315"
-     word_wrap="true">
-     Do you want to leave [CURRENT_CHAT] and join this voice chat?
-    </text>
-    <button
+     <button
      height="24"
-     label="Accept"
-     label_selected="Accept"
+     label="Answer"
+     label_selected="Answer"
      layout="topleft"
      left="70"
      name="Accept"
-     top="92"
-     width="100" />
+     top_pad="5"
+     width="120" />
     <button
      height="24"
-     label="Reject"
-     label_selected="Reject"
+     label="Ignore"
+     label_selected="Ignore"
      layout="topleft"
      name="Reject"
      left_pad="10"
-     width="100" />
+     width="120" />
     <button
      height="24"
-     label="Start IM"
+     label="Open IM instead"
      layout="topleft"
      name="Start IM"
      left_pad="10"
-     width="100" />
+     width="120" />
+    <text
+     clip_partial="true"
+     font="SansSerif"
+     height="30"
+     layout="topleft"
+     left="77"
+     name="question"
+     top_pad="5"
+     use_ellipses="true"
+     width="475"
+     word_wrap="true">
+     If you answer, you will be disconnected from your current voice conversation.
+    </text>
 </floater>
diff --git a/indra/newview/skins/default/xui/en/floater_moveview.xml b/indra/newview/skins/default/xui/en/floater_moveview.xml
index 4e7ee7913f..5e84283ab0 100644
--- a/indra/newview/skins/default/xui/en/floater_moveview.xml
+++ b/indra/newview/skins/default/xui/en/floater_moveview.xml
@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes" ?>
 <floater
  positioning="specified"
- left="320"
- bottom="-80"
+ right="-693"
+ bottom="-50"
  legacy_header_height="18"
  can_dock="false"
  can_minimize="true"
diff --git a/indra/newview/skins/default/xui/en/floater_pathfinding_console.xml b/indra/newview/skins/default/xui/en/floater_pathfinding_console.xml
index 2629313069..79f2027c31 100644
--- a/indra/newview/skins/default/xui/en/floater_pathfinding_console.xml
+++ b/indra/newview/skins/default/xui/en/floater_pathfinding_console.xml
@@ -152,7 +152,7 @@
       </text>
       <check_box
           height="19"
-          label="World"
+          label="Test"
           layout="topleft"
           name="show_world"
           top_pad="4"
diff --git a/indra/newview/skins/default/xui/en/floater_people.xml b/indra/newview/skins/default/xui/en/floater_people.xml
index 08d0b00a83..701233ba4a 100644
--- a/indra/newview/skins/default/xui/en/floater_people.xml
+++ b/indra/newview/skins/default/xui/en/floater_people.xml
@@ -6,21 +6,21 @@
   can_resize="true"
   height="570"
   help_topic="sidebar_people"
-  min_height="440"
-  min_width="333"
+  min_height="220"
+  min_width="260"
   layout="topleft"
   name="floater_people"
   save_rect="true"
   single_instance="true"
   reuse_instance="true"
   title="PEOPLE"
-  width="333">
+  width="370">
     <panel_container
       default_panel_name="panel_people"
       follows="all"
       height="570"
       name="main_panel"
-      width="333">
+      width="370">
       <panel
         class="panel_people"
         name="panel_people"
@@ -31,11 +31,5 @@
         filename="panel_group_info_sidetray.xml"
         label="Group Profile"
         font="SansSerifBold"/>
-      <panel
-        class="panel_block_list_sidetray"
-        name="panel_block_list_sidetray"
-        filename="panel_block_list_sidetray.xml"
-        label="Blocked Residents &amp; Objects"
-        font="SansSerifBold"/>
     </panel_container>
 </floater>
diff --git a/indra/newview/skins/default/xui/en/floater_voice_chat_volume.xml b/indra/newview/skins/default/xui/en/floater_voice_chat_volume.xml
new file mode 100644
index 0000000000..5c71fd3bc6
--- /dev/null
+++ b/indra/newview/skins/default/xui/en/floater_voice_chat_volume.xml
@@ -0,0 +1,48 @@
+<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
+
+<floater
+ legacy_header_height="25"
+ bevel_style="in"
+ bg_opaque_image="Inspector_Background"
+ can_close="false"
+ can_minimize="false"
+ height="90"
+ layout="topleft"
+ name="floater_voice_volume"
+ single_instance="true"
+ sound_flags="0"
+ title="VOICE CHAT VOLUME"
+ visible="true"
+ width="245">
+	<slider
+		control_name="AudioLevelVoice"
+		disabled_control="MuteAudio"
+		follows="left|top"
+		height="16"
+		increment="0.025"
+		initial_value="0.5"
+		label="Voice Chat"
+		label_width="50"
+		layout="topleft"
+		left="15"
+		top="50"
+		name="chat_voice_volume"
+		show_text="false"
+		slider_label.halign="right"
+		volume="true"
+		width="200">
+	</slider>
+	<button
+		control_name="MuteVoice"
+		disabled_control="MuteAudio"
+		follows="top|left"
+		height="16"
+		image_selected="AudioMute_Off"
+		image_unselected="Audio_Off"
+		is_toggle="true"
+		layout="topleft"
+		left_pad="5"
+		name="mute_audio"
+		tab_stop="false"
+		width="16" />
+</floater>
\ No newline at end of file
diff --git a/indra/newview/skins/default/xui/en/floater_voice_controls.xml b/indra/newview/skins/default/xui/en/floater_voice_controls.xml
deleted file mode 100644
index dce2720cf8..0000000000
--- a/indra/newview/skins/default/xui/en/floater_voice_controls.xml
+++ /dev/null
@@ -1,155 +0,0 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
-<floater
- positioning="cascading"
- can_resize="true"
- can_minimize="true"
- can_close="true"
- chrome="true"
- height="205"
- layout="topleft"
- min_height="124"
- min_width="190"
- name="floater_voice_controls"
- help_topic="floater_voice_controls"
- title="VOICE CONTROLS"
- save_dock_state="true"
- save_visibility="true"
- save_rect="true"
- single_instance="true"
- width="282">
-    <string
-     name="title_nearby">
-        VOICE SETTINGS
-    </string>
-    <string
-     name="title_group">
-        GROUP CALL WITH [GROUP]
-    </string>
-    <string
-     name="title_adhoc">
-        CONFERENCE CALL
-    </string>
-    <string
-     name="title_peer_2_peer">
-        CALL WITH [NAME]
-    </string>
-    <string
-     name="no_one_near">
-        No one near has voice enabled
-    </string>
-      <layout_stack
-         clip="false"
-         follows="all"
-         height="189"
-         layout="topleft"
-         left="10"
-         mouse_opaque="false"
-         name="my_call_stack"
-         orientation="vertical"
-         width="263">
-        <layout_panel
-         follows="top|left|right"
-         auto_resize="false"
-         layout="topleft"
-         min_height="20"
-         height="20"
-         name="my_panel">
-            <avatar_icon
-             enabled="false"
-             follows="left|top"
-             height="18"
-             default_icon_name="Generic_Person"
-             layout="topleft"
-             left="5"
-             name="user_icon"
-             top="0"
-             width="18" />
-            <text
-             follows="top|left|right"
-             font="SansSerifSmallBold"
-             height="16"
-             layout="topleft"
-             left_pad="10"
-             name="user_text"
-             text_color="White"
-             top="4"
-             use_ellipses="true"
-             value="My Avatar:"
-             width="210" />
-            <output_monitor
-             auto_update="true"
-             draw_border="false"
-             follows="top|right"
-             height="16"
-             layout="topleft"
-             right="-3"
-             name="speaking_indicator"
-             left_pad="5"
-             visible="true"
-             width="20" />
-        </layout_panel>
-        <layout_panel name="leave_call_panel" height="26" min_height="26" auto_resize="false">
-        <layout_stack
-         clip="true"
-         follows="left|top|right"
-         height="26"
-         layout="topleft"
-         mouse_opaque="false"
-         name="voice_effect_and_leave_call_stack"
-         orientation="horizontal"
-         width="262">
-          <layout_panel
-            height="26"
-            width="200">
-            <panel
-             class="panel_voice_effect"
-             name="panel_voice_effect"
-             visiblity_control="VoiceMorphingEnabled"
-             filename="panel_voice_effect.xml" />
-          </layout_panel>
-          <layout_panel
-           auto_resize="false"
-           follows="top|right"
-           height="23"
-           visible="true"
-           layout="topleft"
-           name="leave_call_btn_panel"
-           width="100">
-            <button
-             follows="right|top"
-             height="23"
-             label="Leave Call"
-             name="leave_call_btn"
-             width="100" />
-          </layout_panel>
-        </layout_stack>
-          </layout_panel>
-      <layout_panel
-          follows="all"
-          layout="topleft"
-          left="2"
-          top_pad="0"
-          height="132"
-          name="callers_panel"
-          auto_resize="true"
-          width="280">
-        <avatar_list
-         follows="all"
-         height="132"
-         ignore_online_status="true"
-         layout="topleft"
-         multi_select="true"
-         name="speakers_list"
-         width="280" />
-        <panel
-         filename="panel_avatar_list_item.xml"
-         follows="left|right|top"
-         height="24"
-         layout="topleft"
-         left="0"
-         name="non_avatar_caller"
-         top="10"
-         width="276" />
-      </layout_panel>
-    </layout_stack>
-</floater>
diff --git a/indra/newview/skins/default/xui/en/floater_voice_volume.xml b/indra/newview/skins/default/xui/en/floater_voice_volume.xml
new file mode 100644
index 0000000000..9346295d5b
--- /dev/null
+++ b/indra/newview/skins/default/xui/en/floater_voice_volume.xml
@@ -0,0 +1,59 @@
+<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
+<!--
+  Not can_close / no title to avoid window chrome
+  Single instance - only have one at a time, recycle it each spawn
+-->
+<floater
+ legacy_header_height="25"
+ bevel_style="in"
+ bg_opaque_image="Inspector_Background"
+ can_close="false"
+ can_minimize="false"
+ height="90"
+ layout="topleft"
+ name="floater_voice_volume"
+ single_instance="true"
+ sound_flags="0"
+ title="VOICE VOLUME"
+ visible="true"
+ width="245">
+    <text
+     follows="top|left|right"
+     font="SansSerifSmall"
+     height="21"
+     left="10"
+     name="avatar_name"
+     parse_urls="false"
+     top="35"
+     text_color="White"
+     translate="false"
+     use_ellipses="true"
+     value="TestString PleaseIgnore"
+     width="225" />
+    <slider
+     follows="top|left"
+     height="23"
+     increment="0.01"
+     left="1"
+     max_val="0.95"
+     min_val="0.05"
+     name="volume_slider"
+     show_text="false"
+     tool_tip="Voice volume"
+     top_pad="0"
+     value="0.5"
+     width="200" />
+    <button
+     follows="top|left"
+     height="16"
+     image_disabled="Audio_Off"
+     image_disabled_selected="AudioMute_Off"
+     image_hover_selected="AudioMute_Over"
+     image_selected="AudioMute_Off"
+     image_unselected="Audio_Off"
+     is_toggle="true"
+     left_pad="0"
+     top_delta="4"
+     name="mute_btn"
+     width="16" />
+</floater>
diff --git a/indra/newview/skins/default/xui/en/inspect_avatar.xml b/indra/newview/skins/default/xui/en/inspect_avatar.xml
index bc3bcd331b..c3481e6d4c 100644
--- a/indra/newview/skins/default/xui/en/inspect_avatar.xml
+++ b/indra/newview/skins/default/xui/en/inspect_avatar.xml
@@ -9,7 +9,7 @@
  bg_opaque_image="Inspector_Background"
  can_close="false"
  can_minimize="false"
- height="164"
+ height="130"
  layout="topleft"
  name="inspect_avatar"
  single_instance="true"
@@ -94,32 +94,17 @@
      use_ellipses="true"
      width="220">This is my second life description and I really think it is great. But for some reason my description is super extra long because I like to talk a whole lot
     </text>
-    <slider
-     follows="top|left"
-     height="23"
-     increment="0.01"
-     left="1"
-     max_val="0.95"
-     min_val="0.05"
-     name="volume_slider"
-     show_text="false"
-     tool_tip="Voice volume"
-     top_pad="0"
-     value="0.5"
-     width="200" />
-    <button
+    <text
      follows="top|left"
      height="16"
-     image_disabled="Audio_Off"
-     image_disabled_selected="AudioMute_Off"
-     image_hover_selected="AudioMute_Over"
-     image_selected="AudioMute_Off"
-     image_unselected="Audio_Off"
-     is_toggle="true"
-     left_pad="0"
-     top_delta="4"
-     name="mute_btn"
-     width="16" />
+     left="8"
+     name="avatar_profile_link"
+     font="SansSerifSmall"
+     text_color="White"
+     top_pad="5"
+     translate="false"
+     value="[[LINK] View full profile]"
+     width="175" />
     <avatar_icon
      follows="top|left"
      height="38"
@@ -130,83 +115,4 @@
      name="avatar_icon"
      top="10"
      width="38" />
-<!-- Overlapping buttons for default actions
-    llinspectavatar.cpp makes visible the most likely default action 
--->
-    <button
-     follows="top|left"
-     height="20"
-     label="Add Friend"
-     left="8"
-     top="135"
-     name="add_friend_btn"
-     width="90" />
-    <button
-     follows="top|left"
-     height="20"
-     label="IM"
-     left_delta="0"
-     top_delta="0"
-     name="im_btn"
-     width="80"
-     commit_callback.function="InspectAvatar.IM"/>
-	<button
-     follows="top|left"
-     height="20"
-     label="Profile"
-     layout="topleft"
-     name="view_profile_btn"
-     left_delta="96"
-     top_delta="0"
-     tab_stop="false"
-     width="80" />
-      <!--  gear buttons here -->
-  <menu_button
-     follows="top|left"
-     height="20"
-     layout="topleft"
-     image_overlay="OptionsMenu_Off"
-     menu_filename="menu_inspect_avatar_gear.xml"
-     name="gear_btn"
-     right="-5"
-     top_delta="0"
-     width="35" />
-	<menu_button
-     follows="top|left"
-     height="20"
-     image_overlay="OptionsMenu_Off"
-     menu_filename="menu_inspect_self_gear.xml"
-     name="gear_self_btn"
-     right="-5"
-     top_delta="0"
-     width="35" />
-  <panel 
-    follows="top|left" 
-    top="164" 
-    left="0" 
-    height="60" 
-    width="228" 
-    visible="false"
-    background_visible="true"
-    name="moderator_panel"
-    background_opaque="true" 
-    bg_opaque_color="MouseGray">
-    <button
-      name="disable_voice"
-      label="Disable Voice"
-      top="20"
-      width="95"
-      height="20"
-      left="10"
-      commit_callback.function="InspectAvatar.DisableVoice"/>
-    <button
-      name="enable_voice"
-      label="Enable Voice"
-      top="20"
-      width="95"
-      height="20"
-      left="10"
-      visible="false" 
-      commit_callback.function="InspectAvatar.EnableVoice"/>
-  </panel>
 </floater>
diff --git a/indra/newview/skins/default/xui/en/menu_conversation.xml b/indra/newview/skins/default/xui/en/menu_conversation.xml
new file mode 100644
index 0000000000..46c6e19fa5
--- /dev/null
+++ b/indra/newview/skins/default/xui/en/menu_conversation.xml
@@ -0,0 +1,187 @@
+<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
+<toggleable_menu
+ bottom="806"
+ layout="topleft"
+ left="0"
+ mouse_opaque="false"
+ name="menu_conversation_participant"
+ visible="false">
+     <menu_item_call
+     label="Close conversation"
+     layout="topleft"
+     name="close_conversation">
+        <on_click function="Avatar.DoToSelected" parameter="close_conversation"/>
+	 </menu_item_call>
+     <menu_item_call
+     label="Open voice conversation"
+     layout="topleft"
+     name="open_voice_conversation">
+        <on_click function="Avatar.DoToSelected" parameter="open_voice_conversation"/>
+     </menu_item_call>	
+     <menu_item_call
+     label="Disconnect from voice"
+     layout="topleft"
+     name="disconnect_from_voice">
+        <on_click function="Avatar.DoToSelected" parameter="disconnect_from_voice"/>
+    </menu_item_call>	
+	<menu_item_separator layout="topleft" name="separator_disconnect_from_voice"/>	
+    <menu_item_call
+     label="View Profile"
+     layout="topleft"
+     name="view_profile">
+        <on_click function="Avatar.DoToSelected" parameter="view_profile"/>
+        <on_enable function="Avatar.EnableItem" parameter="can_view_profile"/>
+    </menu_item_call>
+    <menu_item_call
+     label="IM"
+     layout="topleft"
+     name="im">
+        <on_click function="Avatar.DoToSelected" parameter="im"/>
+        <on_enable function="Avatar.EnableItem" parameter="can_im"/>
+    </menu_item_call>
+    <menu_item_call
+     label="Offer teleport"
+     layout="topleft"
+     name="offer_teleport">
+        <on_click function="Avatar.DoToSelected" parameter="offer_teleport"/>
+        <on_enable function="Avatar.EnableItem" parameter="can_offer_teleport"/>
+    </menu_item_call>
+    <menu_item_call
+     label="Voice call"
+     layout="topleft"
+     name="voice_call">
+        <on_click function="Avatar.DoToSelected" parameter="voice_call"/>
+        <on_enable function="Avatar.EnableItem" parameter="can_call" />
+    </menu_item_call>
+    <menu_item_call
+     label="Chat history..."
+     layout="topleft"
+     name="chat_history">
+        <on_click function="Avatar.DoToSelected" parameter="chat_history"/>
+        <on_enable function="Avatar.EnableItem" parameter="can_chat_history"/>
+    </menu_item_call>	
+    <menu_item_separator layout="topleft" name="separator_chat_history"/>	
+    <menu_item_call
+     label="Add friend"
+     layout="topleft"
+     name="add_friend">
+        <on_click function="Avatar.DoToSelected" parameter="add_friend"/>
+        <on_enable function="Avatar.EnableItem" parameter="can_add" />
+    </menu_item_call>
+    <menu_item_call
+     label="Remove friend"
+     layout="topleft"
+     name="remove_friend">
+        <on_click function="Avatar.DoToSelected" parameter="remove_friend" />
+        <on_enable function="Avatar.EnableItem" parameter="can_delete" />
+    </menu_item_call>	
+    <menu_item_call
+     label="Remove friends"
+     layout="topleft"
+     name="remove_friends">
+        <on_click function="Avatar.DoToSelected" parameter="remove_friend" />
+        <on_enable function="Avatar.EnableItem" parameter="can_delete" />
+    </menu_item_call>	
+    <menu_item_call
+     label="Invite to group..."
+     layout="topleft"
+     name="invite_to_group">
+        <on_click function="Avatar.DoToSelected" parameter="invite_to_group" />
+        <on_enable function="Avatar.EnableItem" parameter="can_invite" />
+    </menu_item_call>
+    <menu_item_separator layout="topleft" name="separator_invite_to_group"/>		
+    <menu_item_call
+     label="Map"
+     layout="topleft"
+     name="map">
+        <on_click function="Avatar.DoToSelected" parameter="map" />
+        <on_enable function="Avatar.EnableItem" parameter="can_show_on_map" />
+    </menu_item_call>
+    <menu_item_call
+     label="Share"
+     layout="topleft"
+     name="share">
+        <on_click function="Avatar.DoToSelected" parameter="share" />
+        <on_enable function="Avatar.EnableItem" parameter="can_share" />
+    </menu_item_call>
+    <menu_item_call
+     label="Pay"
+     layout="topleft"
+     name="pay">
+        <on_click function="Avatar.DoToSelected" parameter="pay" />
+        <on_enable function="Avatar.EnableItem" parameter="can_pay" />
+    </menu_item_call>
+    <menu_item_check
+     label="Block Voice"
+     layout="topleft"
+     name="block_unblock">
+        <on_click function="Avatar.DoToSelected" parameter="block_unblock" />
+		<on_check function="Avatar.CheckItem" parameter="is_blocked" />
+		<on_enable  function="Avatar.EnableItem" parameter="can_block" />
+    </menu_item_check>
+    <menu_item_check
+     label="Block Text"
+     layout="topleft"
+     name="MuteText">
+     <on_click function="Avatar.DoToSelected" parameter="mute_unmute" />
+     <on_check function="Avatar.CheckItem" parameter="is_muted" />
+     <on_enable  function="Avatar.EnableItem" parameter="can_block" />
+    </menu_item_check>
+    <menu_item_call
+     label="Group Profile"
+     layout="topleft"
+     name="group_profile">
+        <on_click function="Group.DoToSelected" parameter="group_profile"/>
+        <on_enable function="Avatar.EnableItem" parameter="can_group_profile" />
+    </menu_item_call>	
+    <menu_item_call
+     label="Activate Group"
+     layout="topleft"
+     name="activate_group">
+        <on_click function="Group.DoToSelected" parameter="activate_group"/>
+        <on_enable function="Avatar.EnableItem" parameter="can_activate_group" />
+    </menu_item_call>		
+    <menu_item_call
+     label="Leave Group"
+     layout="topleft"
+     name="leave_group">
+        <on_click function="Group.DoToSelected" parameter="leave_group"/>
+        <on_enable function="Avatar.EnableItem" parameter="can_leave_group" />
+    </menu_item_call>
+	<menu_item_separator layout="topleft" name="Moderator Options Separator"/>
+	<context_menu
+	 label="Moderator Options"
+	 layout="topleft"
+	 name="Moderator Options">
+		<menu_item_check
+		 label="Allow text chat"
+		 layout="topleft"
+		 name="AllowTextChat">
+			<on_check function="Avatar.CheckItem" parameter="is_allowed_text_chat" />
+			<on_click function="Avatar.DoToSelected" parameter="toggle_allow_text_chat" />
+			<on_enable function="Avatar.EnableItem" parameter="can_allow_text_chat" />
+		</menu_item_check>
+		<menu_item_separator layout="topleft" name="moderate_voice_separator" />
+		<menu_item_call
+		 label="Toggle mute this participant"
+		 layout="topleft"
+		 name="ModerateVoiceToggleMuteSelected">
+			<on_click function="Avatar.DoToSelected" parameter="selected" />
+			<on_enable function="Avatar.EnableItem" parameter="can_mute_unmute" />
+		</menu_item_call>
+		<menu_item_call
+		 label="Mute everyone"
+		 layout="topleft"
+		 name="ModerateVoiceMute">
+			<on_click function="Avatar.DoToSelected" parameter="mute_all" />
+			<on_enable function="Avatar.EnableItem" parameter="can_moderate_voice" />
+		</menu_item_call>
+		<menu_item_call
+		 label="Unmute everyone"
+		 layout="topleft"
+		 name="ModerateVoiceUnmute">
+			<on_click function="Avatar.DoToSelected" parameter="unmute_all" />
+			<on_enable function="Avatar.EnableItem" parameter="can_moderate_voice" />
+		</menu_item_call>
+	</context_menu>
+</toggleable_menu>
diff --git a/indra/newview/skins/default/xui/en/menu_conversation_log_gear.xml b/indra/newview/skins/default/xui/en/menu_conversation_log_gear.xml
new file mode 100644
index 0000000000..8796b87955
--- /dev/null
+++ b/indra/newview/skins/default/xui/en/menu_conversation_log_gear.xml
@@ -0,0 +1,142 @@
+<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
+<toggleable_menu
+ layout="topleft"
+ name="Conversation Context Menu">
+    <menu_item_call
+     label="IM..."
+     layout="topleft"
+     name="IM">
+        <on_click
+         function="Calllog.Action"
+         parameter="im" />
+        <on_enable
+         function="Calllog.Enable"
+         parameter="can_im" />
+    </menu_item_call>
+    <menu_item_call
+     label="Voice call..."
+     layout="topleft"
+     name="Call">
+        <on_click
+         function="Calllog.Action"
+         parameter="call" />
+        <on_enable
+         function="Calllog.Enable"
+         parameter="can_call" />
+    </menu_item_call>
+    <menu_item_call
+     label="Open chat history..."
+     layout="topleft"
+     name="Chat history">
+        <on_click
+         function="Calllog.Action"
+         parameter="chat_history" />
+        <on_enable
+         function="Calllog.Enable"
+         parameter="can_view_chat_history" />
+    </menu_item_call>
+    <menu_item_call
+     label="View Profile"
+     layout="topleft"
+     name="View Profile">
+        <on_click
+         function="Calllog.Action"
+         parameter="view_profile" />
+        <on_enable
+         function="Calllog.Enable"
+         parameter="can_view_profile" />
+    </menu_item_call>
+    <menu_item_call
+    label="Offer Teleport"
+    name="teleport">
+      <on_click
+       function="Calllog.Action"
+       parameter="offer_teleport"/>
+      <on_enable
+      function="Calllog.Enable"
+      parameter="can_offer_teleport"/>
+    </menu_item_call>
+    <menu_item_separator />
+    <menu_item_call
+     label="Add Friend"
+     layout="topleft"
+     name="add_friend">
+        <on_click
+         function="Calllog.Action"
+         parameter="add_friend"/>
+        <on_visible
+         function="Calllog.Check"
+         parameter="is_not_friend" />
+    </menu_item_call>
+    <menu_item_call
+     label="Remove Friend"
+     layout="topleft"
+     name="remove_friend">
+        <on_click
+         function="Calllog.Action"
+         parameter="remove_friend"/>
+        <on_visible
+         function="Calllog.Check"
+         parameter="is_friend" />
+    </menu_item_call>
+    <menu_item_call
+     label="Invite to group..."
+     layout="topleft"
+     name="Invite">
+        <on_click
+         function="Calllog.Action"
+         parameter="invite_to_group"/>
+        <on_enable
+         function="Calllog.Enable"
+         parameter="can_invite_to_group" />
+    </menu_item_call>
+    <menu_item_separator />
+    <menu_item_call
+     label="Map"
+     layout="topleft"
+     name="Map">
+        <on_click
+         function="Calllog.Action"
+         parameter="show_on_map" />
+        <on_enable
+         function="Calllog.Enable"
+         parameter="can_show_on_map" />
+    </menu_item_call>
+    <menu_item_call
+     label="Share"
+     layout="topleft"
+     name="Share">
+        <on_click
+         function="Calllog.Action"
+         parameter="share" />
+        <on_enable
+         function="Calllog.Enable"
+         parameter="can_share" />
+    </menu_item_call>
+    <menu_item_call
+     label="Pay"
+     layout="topleft"
+     name="Pay">
+        <on_click
+         function="Calllog.Action"
+         parameter="pay" />
+        <on_enable
+         function="Calllog.Enable"
+         parameter="can_pay" />
+    </menu_item_call>
+    <menu_item_check
+     label="Block/Unblock"
+     layout="topleft"
+     name="Block/Unblock">
+        <menu_item_check.on_click
+         function="Calllog.Action"
+         parameter="block"/>
+        <menu_item_check.on_check
+         function="Calllog.Check"
+         parameter="is_blocked" />
+        <menu_item_check.on_enable
+         function="Calllog.Enable"
+         parameter="can_block" />
+    </menu_item_check>
+
+</toggleable_menu>
diff --git a/indra/newview/skins/default/xui/en/menu_conversation_log_view.xml b/indra/newview/skins/default/xui/en/menu_conversation_log_view.xml
new file mode 100644
index 0000000000..ce65b23971
--- /dev/null
+++ b/indra/newview/skins/default/xui/en/menu_conversation_log_view.xml
@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
+<toggleable_menu
+     name="menu_conversation_view"
+     left="0" bottom="0" visible="false"
+     mouse_opaque="false">
+  <menu_item_check
+   label="Sort by name"
+   name="sort_by_name">
+      <on_click
+       function="CallLog.Action"
+       parameter="sort_by_name"/>
+      <on_check
+       function="CallLog.Check"
+       parameter="sort_by_name"/>
+  </menu_item_check>
+  <menu_item_check
+   label="Sort by date"
+   name="sort_by_date">
+      <on_click
+       function="CallLog.Action"
+       parameter="sort_by_date" />
+      <on_check
+       function="CallLog.Check"
+       parameter="sort_by_date" />
+  </menu_item_check>
+  <menu_item_separator />
+  <menu_item_check
+   label="Sort friends on top"
+   name="sort_by_friends">
+      <on_click
+       function="CallLog.Action"
+       parameter="sort_friends_on_top" />
+      <on_check
+       function="CallLog.Check"
+       parameter="sort_friends_on_top" />
+  </menu_item_check>
+  <menu_item_separator />
+  <menu_item_call
+   label="View Nearby chat history..."
+   name="view_nearby_chat_history">
+      <on_click
+       function="CallLog.Action"
+       parameter="view_nearby_chat_history" />
+  </menu_item_call>
+</toggleable_menu>
diff --git a/indra/newview/skins/default/xui/en/menu_group_plus.xml b/indra/newview/skins/default/xui/en/menu_group_plus.xml
index fce7414d80..eca9e7f3c9 100644
--- a/indra/newview/skins/default/xui/en/menu_group_plus.xml
+++ b/indra/newview/skins/default/xui/en/menu_group_plus.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes" ?>
-<menu name="menu_group_plus"
+<toggleable_menu name="menu_group_plus"
      left="0" bottom="0" visible="false"
      mouse_opaque="false">
   <menu_item_call name="item_join" label="Join Group...">
@@ -8,4 +8,4 @@
   <menu_item_call name="item_new" label="New Group...">
     <menu_item_call.on_click function="People.Group.Plus.Action" userdata="new_group" />
   </menu_item_call>
-</menu>
+</toggleable_menu>
diff --git a/indra/newview/skins/default/xui/en/menu_im_conversation.xml b/indra/newview/skins/default/xui/en/menu_im_conversation.xml
new file mode 100644
index 0000000000..8882d0a7d8
--- /dev/null
+++ b/indra/newview/skins/default/xui/en/menu_im_conversation.xml
@@ -0,0 +1,94 @@
+<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
+<toggleable_menu
+ layout="topleft"
+ name="Conversation Gear Menu">
+    <menu_item_call
+     label="View Profile"
+     layout="topleft"
+     name="View Profile">
+        <on_click function="Avatar.GearDoToSelected" parameter="view_profile" />
+        <on_enable function="Avatar.EnableGearItem" parameter="can_view_profile" />
+    </menu_item_call>
+    <menu_item_call
+     label="Add Friend"
+     layout="topleft"
+     name="Add Friend">
+        <on_click function="Avatar.GearDoToSelected" parameter="add_friend" />
+        <on_enable function="Avatar.EnableGearItem" parameter="can_add" />
+    </menu_item_call>
+    <menu_item_call
+     label="Remove friend"
+     layout="topleft"
+     name="remove_friend">
+        <on_click function="Avatar.GearDoToSelected" parameter="remove_friend" />
+        <on_enable function="Avatar.EnableGearItem" parameter="can_delete" />
+    </menu_item_call>
+    <menu_item_call
+     label="Offer teleport"
+     layout="topleft"
+     name="offer_teleport">
+        <on_click function="Avatar.GearDoToSelected" parameter="offer_teleport"/>
+        <on_enable function="Avatar.EnableGearItem" parameter="can_offer_teleport"/>
+    </menu_item_call>
+    <menu_item_call
+     label="Invite to group..."
+     layout="topleft"
+     name="invite_to_group">
+        <on_click function="Avatar.GearDoToSelected" parameter="invite_to_group" />
+        <on_enable function="Avatar.EnableGearItem" parameter="can_invite" />
+    </menu_item_call>
+    <menu_item_separator
+     layout="topleft"
+     name="View Icons Separator" />
+    <menu_item_call
+     label="Chat history..."
+     layout="topleft"
+     name="chat_history">
+        <on_click function="Avatar.GearDoToSelected" parameter="chat_history"/>
+        <on_enable function="Avatar.EnableGearItem" parameter="can_chat_history"/>
+    </menu_item_call>
+    <menu_item_separator
+     layout="topleft"/>
+    <menu_item_call
+     label="Map"
+     layout="topleft"
+     name="map">
+        <on_click function="Avatar.GearDoToSelected" parameter="map" />
+        <on_enable function="Avatar.EnableGearItem" parameter="can_show_on_map" />
+    </menu_item_call>
+    <menu_item_call
+     label="Share"
+     layout="topleft"
+     name="Share">
+        <on_click function="Avatar.GearDoToSelected" parameter="share" />
+        <on_enable function="Avatar.EnableGearItem" parameter="can_share" />
+    </menu_item_call>
+    <menu_item_call
+     label="Pay"
+     layout="topleft"
+     name="Pay">
+        <on_click function="Avatar.GearDoToSelected" parameter="pay" />
+        <on_enable function="Avatar.EnableGearItem" parameter="can_pay" />
+    </menu_item_call>
+    <menu_item_separator
+     layout="topleft"/>
+    <menu_item_check
+     label="Block Voice"
+     layout="topleft"
+     name="Block/Unblock">
+        <on_check function="Avatar.CheckGearItem" parameter="is_blocked" />
+        <on_click function="Avatar.GearDoToSelected" parameter="block_unblock" />
+        <on_enable function="Avatar.EnableGearItem" parameter="can_block" />
+    </menu_item_check>
+    <menu_item_check
+     label="Block Text"
+     layout="topleft"
+     name="MuteText">
+        <on_check function="Avatar.CheckGearItem" parameter="is_muted" />
+        <on_click function="Avatar.GearDoToSelected" parameter="mute_unmute" />
+        <on_enable function="Avatar.EnableGearItem" parameter="can_block" />
+    </menu_item_check>
+    <menu_item_separator
+     layout="topleft"/>
+</toggleable_menu>
+
diff --git a/indra/newview/skins/default/xui/en/menu_im_session_showmodes.xml b/indra/newview/skins/default/xui/en/menu_im_session_showmodes.xml
new file mode 100644
index 0000000000..483f24afd0
--- /dev/null
+++ b/indra/newview/skins/default/xui/en/menu_im_session_showmodes.xml
@@ -0,0 +1,50 @@
+<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
+<toggleable_menu
+ name="menu_modes"
+ left="0" bottom="0" visible="false"
+ mouse_opaque="false">
+    <menu_item_check
+       label="Compact view"
+       name="compact_view">
+      <menu_item_check.on_click
+         function="IMSession.Menu.Action"
+         parameter="compact_view"/>
+      <menu_item_check.on_check
+         function="IMSession.Menu.CompactExpandedModes.CheckItem"
+         parameter="compact_view"/>
+    </menu_item_check>
+    <menu_item_check
+       label="Expanded view"
+       name="expanded_view">
+      <menu_item_check.on_click
+         function="IMSession.Menu.Action"
+         parameter="expanded_view"/>
+      <menu_item_check.on_check
+         function="IMSession.Menu.CompactExpandedModes.CheckItem"
+         parameter="expanded_view"/>
+    </menu_item_check>
+    <menu_item_separator layout="topleft" />
+    <menu_item_check name="IMShowTime" label="Show time">
+        <menu_item_check.on_click
+         function="IMSession.Menu.Action"
+         parameter="IMShowTime" />
+        <menu_item_check.on_check
+         function="IMSession.Menu.ShowModes.CheckItem"
+         parameter="IMShowTime" />
+        <menu_item_check.on_enable
+         function="IMSession.Menu.ShowModes.Enable"
+         parameter="IMShowTime" />
+    </menu_item_check>
+    <menu_item_check name="IMShowNamesForP2PConv" label="Show names in one-to-one conversations">
+        <menu_item_check.on_click
+         function="IMSession.Menu.Action"
+         parameter="IMShowNamesForP2PConv" />
+        <menu_item_check.on_check
+         function="IMSession.Menu.ShowModes.CheckItem"
+         parameter="IMShowNamesForP2PConv" />
+        <menu_item_check.on_enable
+         function="IMSession.Menu.ShowModes.Enable"
+         parameter="IMShowNamesForP2PConv" />
+         
+    </menu_item_check>
+</toggleable_menu>
diff --git a/indra/newview/skins/default/xui/en/menu_im_well_button.xml b/indra/newview/skins/default/xui/en/menu_im_well_button.xml
deleted file mode 100644
index f8dfba91ff..0000000000
--- a/indra/newview/skins/default/xui/en/menu_im_well_button.xml
+++ /dev/null
@@ -1,16 +0,0 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
-<context_menu
- layout="topleft"
- name="IM Well Button Context Menu">
-    <menu_item_call
-     label="Close All"
-     layout="topleft"
-     name="Close All">
-        <menu_item_call.on_click
-         function="IMWellChicletMenu.Action"
-         parameter="close all" />
-        <menu_item_call.on_enable
-         function="IMWellChicletMenu.EnableItem"
-         parameter="can close all" />
-    </menu_item_call>
-</context_menu>
diff --git a/indra/newview/skins/default/xui/en/menu_inspect_avatar_gear.xml b/indra/newview/skins/default/xui/en/menu_inspect_avatar_gear.xml
deleted file mode 100644
index 76b188220d..0000000000
--- a/indra/newview/skins/default/xui/en/menu_inspect_avatar_gear.xml
+++ /dev/null
@@ -1,143 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<toggleable_menu
-         create_jump_keys="true"
-         layout="topleft"
-         mouse_opaque="false"
-         visible="false"
-         name="Gear Menu">
-  <menu_item_call
-   label="View Profile"
-   enabled="true" 
-   name="view_profile">
-    <menu_item_call.on_click
-     function="InspectAvatar.ViewProfile"/>
-  </menu_item_call>
-  <menu_item_call
-   label="Add Friend"
-   name="add_friend">
-    <menu_item_call.on_click
-     function="InspectAvatar.AddFriend"/>
-    <menu_item_call.on_enable
-     function="InspectAvatar.Gear.Enable"/>
-  </menu_item_call>
-  <menu_item_call
-   label="IM"
-   name="im">
-    <menu_item_call.on_click
-     function="InspectAvatar.IM"/>
-  </menu_item_call>
-  <menu_item_call
-   label="Call"
-   enabled="true"
-   name="call">
-    <menu_item_call.on_click
-     function="InspectAvatar.Call"/>
-    <menu_item_call.on_enable
-     function="InspectAvatar.Gear.EnableCall"/>
-  </menu_item_call>
-  <menu_item_call
-   label="Teleport"
-   name="teleport">
-    <menu_item_call.on_click
-     function="InspectAvatar.Teleport"/>
-    <menu_item_call.on_enable
-     function="InspectAvatar.Gear.EnableTeleportOffer"/>
-  </menu_item_call>
-  <menu_item_call
-   label="Invite to Group"
-   name="invite_to_group">
-    <menu_item_call.on_click
-     function="InspectAvatar.InviteToGroup"/>
-  </menu_item_call>
-  <menu_item_separator />
-  <menu_item_call
-   label="Block"
-   name="block">
-    <menu_item_call.on_click
-     function="InspectAvatar.ToggleMute"/>
-    <menu_item_call.on_visible
-     function="InspectAvatar.EnableMute" />
-  </menu_item_call>
-  <menu_item_call
-   label="Unblock"
-   name="unblock">
-    <menu_item_call.on_click
-     function="InspectAvatar.ToggleMute"/>
-    <menu_item_call.on_visible
-     function="InspectAvatar.EnableUnmute" />
-  </menu_item_call>
-  <menu_item_call
-   label="Report"
-   name="report">
-    <menu_item_call.on_click
-     function="InspectAvatar.Report"/>
-  </menu_item_call>  
-  <menu_item_call
-   label="Freeze"
-   name="freeze">
-    <menu_item_call.on_click
-     function="InspectAvatar.Freeze"/>
-    <menu_item_call.on_visible
-     function="InspectAvatar.VisibleFreeze"/>
-  </menu_item_call>
-  <menu_item_call
-   label="Eject"
-   name="eject">
-    <menu_item_call.on_click
-     function="InspectAvatar.Eject"/>
-    <menu_item_call.on_visible
-     function="InspectAvatar.VisibleEject"/>
-  </menu_item_call>
-  <menu_item_call
-   label="Kick"
-   name="kick">
-    <menu_item_call.on_click
-     function="InspectAvatar.Kick"/>
-    <menu_item_call.on_visible
-     function="InspectAvatar.EnableGod"/>
-  </menu_item_call>
-  <menu_item_call
-  label="CSR"
-  name="csr">
-    <menu_item_call.on_click
-     function="InspectAvatar.CSR" />
-    <menu_item_call.on_visible
-     function="InspectAvatar.EnableGod" />
-  </menu_item_call>
-  <menu_item_call
-   label="Debug Textures"
-   name="debug">
-    <menu_item_call.on_click
-     function="Avatar.Debug"/>
-    <menu_item_call.on_visible
-     function="IsGodCustomerService"/>
-  </menu_item_call>
-  <menu_item_call
-   label="Find On Map"
-   name="find_on_map">
-    <menu_item_call.on_click
-     function="InspectAvatar.FindOnMap"/>
-    <menu_item_call.on_visible
-     function="InspectAvatar.VisibleFindOnMap"/>
-  </menu_item_call>
-  <menu_item_call
-   label="Zoom In"
-   name="zoom_in">
-    <menu_item_call.on_click
-     function="InspectAvatar.ZoomIn"/>
-    <menu_item_call.on_visible
-     function="InspectAvatar.VisibleZoomIn"/>
-  </menu_item_call>  
-  <menu_item_call
-   label="Pay"
-   name="pay">
-    <menu_item_call.on_click
-     function="InspectAvatar.Pay"/>
-  </menu_item_call>
-  <menu_item_call
-   label="Share"
-   name="share">
-    <menu_item_call.on_click
-     function="InspectAvatar.Share"/>
-  </menu_item_call>
-</toggleable_menu>
diff --git a/indra/newview/skins/default/xui/en/menu_inspect_self_gear.xml b/indra/newview/skins/default/xui/en/menu_inspect_self_gear.xml
deleted file mode 100644
index 5e7b16ed4a..0000000000
--- a/indra/newview/skins/default/xui/en/menu_inspect_self_gear.xml
+++ /dev/null
@@ -1,252 +0,0 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
-<toggleable_menu
- layout="topleft"
- name="Self Pie">
-  <menu_item_call
-   label="Sit Down"
-   layout="topleft"
-   name="Sit Down Here">
-    <menu_item_call.on_click
-     function="Self.SitDown"
-     parameter="" />
-    <menu_item_call.on_enable
-     function="Self.EnableSitDown" />
-  </menu_item_call>
-  <menu_item_call
-   label="Stand Up"
-   layout="topleft"
-   name="Stand Up">
-    <menu_item_call.on_click
-     function="Self.StandUp"
-     parameter="" />
-    <menu_item_call.on_enable
-     function="Self.EnableStandUp" />
-  </menu_item_call>
-  <context_menu
-   label="Take Off"
-   layout="topleft"
-   name="Take Off &gt;">
-    <context_menu
-     label="Clothes"
-     layout="topleft"
-     name="Clothes &gt;">
-      <menu_item_call
-       enabled="false"
-       label="Shirt"
-       layout="topleft"
-       name="Shirt">
-        <menu_item_call.on_click
-         function="Edit.TakeOff"
-         parameter="shirt" />
-        <menu_item_call.on_enable
-         function="Edit.EnableTakeOff"
-         parameter="shirt" />
-      </menu_item_call>
-      <menu_item_call
-       enabled="false"
-       label="Pants"
-       layout="topleft"
-       name="Pants">
-        <menu_item_call.on_click
-         function="Edit.TakeOff"
-         parameter="pants" />
-        <menu_item_call.on_enable
-         function="Edit.EnableTakeOff"
-         parameter="pants" />
-      </menu_item_call>
-      <menu_item_call
-       enabled="false"
-       label="Skirt"
-       layout="topleft"
-       name="Skirt">
-        <menu_item_call.on_click
-         function="Edit.TakeOff"
-         parameter="skirt" />
-        <menu_item_call.on_enable
-         function="Edit.EnableTakeOff"
-         parameter="skirt" />
-      </menu_item_call>
-      <menu_item_call
-       enabled="false"
-       label="Shoes"
-       layout="topleft"
-       name="Shoes">
-        <menu_item_call.on_click
-         function="Edit.TakeOff"
-         parameter="shoes" />
-        <menu_item_call.on_enable
-         function="Edit.EnableTakeOff"
-         parameter="shoes" />
-      </menu_item_call>
-      <menu_item_call
-       enabled="false"
-       label="Socks"
-       layout="topleft"
-       name="Socks">
-        <menu_item_call.on_click
-         function="Edit.TakeOff"
-         parameter="socks" />
-        <menu_item_call.on_enable
-         function="Edit.EnableTakeOff"
-         parameter="socks" />
-      </menu_item_call>
-      <menu_item_call
-       enabled="false"
-       label="Jacket"
-       layout="topleft"
-       name="Jacket">
-        <menu_item_call.on_click
-         function="Edit.TakeOff"
-         parameter="jacket" />
-        <menu_item_call.on_enable
-         function="Edit.EnableTakeOff"
-         parameter="jacket" />
-      </menu_item_call>
-      <menu_item_call
-       enabled="false"
-       label="Gloves"
-       layout="topleft"
-       name="Gloves">
-        <menu_item_call.on_click
-         function="Edit.TakeOff"
-         parameter="gloves" />
-        <menu_item_call.on_enable
-         function="Edit.EnableTakeOff"
-         parameter="gloves" />
-      </menu_item_call>
-      <menu_item_call
-            enabled="false"
-            label="Undershirt"
-            layout="topleft"
-            name="Self Undershirt">
-        <menu_item_call.on_click
-         function="Edit.TakeOff"
-         parameter="undershirt" />
-        <menu_item_call.on_enable
-         function="Edit.EnableTakeOff"
-         parameter="undershirt" />
-      </menu_item_call>
-      <menu_item_call
-        enabled="false"
-        label="Underpants"
-        layout="topleft"
-        name="Self Underpants">
-        <menu_item_call.on_click
-         function="Edit.TakeOff"
-         parameter="underpants" />
-        <menu_item_call.on_enable
-         function="Edit.EnableTakeOff"
-         parameter="underpants" />
-      </menu_item_call>
-      <menu_item_call
-        enabled="false"
-        label="Tattoo"
-        layout="topleft"
-        name="Self Tattoo">
-        <menu_item_call.on_click
-         function="Edit.TakeOff"
-         parameter="tattoo" />
-        <menu_item_call.on_enable
-         function="Edit.EnableTakeOff"
-         parameter="tattoo" />
-      </menu_item_call>
-      <menu_item_call
-        enabled="false"
-        label="Alpha"
-        layout="topleft"
-        name="Self Alpha">
-        <menu_item_call.on_click
-         function="Edit.TakeOff"
-         parameter="alpha" />
-        <menu_item_call.on_enable
-         function="Edit.EnableTakeOff"
-         parameter="alpha" />
-      </menu_item_call>
-      <menu_item_separator
-       layout="topleft" />
-      <menu_item_call
-       label="All Clothes"
-       layout="topleft"
-       name="All Clothes">
-        <menu_item_call.on_click
-         function="Edit.TakeOff"
-         parameter="all" />
-      </menu_item_call>
-    </context_menu>
-    <context_menu
-     label="HUD"
-     layout="topleft"
-     name="Object Detach HUD" />
-    <context_menu
-     label="Detach"
-     layout="topleft"
-     name="Object Detach" />
-    <menu_item_call
-     label="Detach All"
-     layout="topleft"
-     name="Detach All">
-      <menu_item_call.on_click
-       function="Self.RemoveAllAttachments"
-       parameter="" />
-      <menu_item_call.on_enable
-       function="Self.EnableRemoveAllAttachments" />
-    </menu_item_call>
-  </context_menu>
-  <menu_item_call
-  label="Change Outfit"
-  layout="topleft"
-  name="Chenge Outfit">
-    <menu_item_call.on_click
-     function="CustomizeAvatar" />
-    <menu_item_call.on_enable
-     function="Edit.EnableCustomizeAvatar" />
-  </menu_item_call>
-  <menu_item_call label="Edit My Outfit"
-  layout="topleft"
-  name="Edit Outfit">
-    <menu_item_call.on_click
-     function="EditOutfit" />
-    <menu_item_call.on_enable
-     function="Edit.EnableCustomizeAvatar" />
-  </menu_item_call>
-  <menu_item_call label="Edit My Shape"
-  layout="topleft"
-  name="Edit My Shape">
-    <menu_item_call.on_click
-     function="EditShape" />
-    <menu_item_call.on_enable
-     function="Edit.EnableEditShape" />
-  </menu_item_call>
-  <menu_item_call
-    label="My Friends"
-    layout="topleft"
-    name="Friends...">
-    <menu_item_call.on_click
-     function="SideTray.PanelPeopleTab"
-     parameter="friends_panel" />
-  </menu_item_call>
-  <menu_item_call
-   label="My Groups"
-   layout="topleft"
-   name="Groups...">
-    <menu_item_call.on_click
-     function="SideTray.PanelPeopleTab"
-     parameter="groups_panel" />
-  </menu_item_call>
-  <menu_item_call
-    label="My Profile"
-    layout="topleft"
-    name="Profile...">
-    <menu_item_call.on_click
-     function="ShowAgentProfile"
-     parameter="agent" />
-  </menu_item_call>
-  <menu_item_call
-   label="Debug Textures"
-       name="Debug...">
-    <menu_item_call.on_click
-     function="Avatar.Debug" />
-    <menu_item_call.on_visible
-     function="IsGodCustomerService"/>
-  </menu_item_call>
-</toggleable_menu>
diff --git a/indra/newview/skins/default/xui/en/menu_participant_view.xml b/indra/newview/skins/default/xui/en/menu_participant_view.xml
new file mode 100644
index 0000000000..2f2bafb95d
--- /dev/null
+++ b/indra/newview/skins/default/xui/en/menu_participant_view.xml
@@ -0,0 +1,92 @@
+<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
+<toggleable_menu
+ layout="topleft"
+ name="participant_manu_view">
+    <menu_item_check
+     label="Sort conversations by type"
+     layout="topleft"
+     name="sort_sessions_by_type">
+        <on_click
+         function="IMFloaterContainer.Action"
+         parameter="sort_sessions_by_type" />
+        <on_check
+         function="IMFloaterContainer.Check"
+         parameter="sort_sessions_by_type" />
+    </menu_item_check>
+    <menu_item_check
+     label="Sort conversations by name"
+     layout="topleft"
+     name="sort_sessions_by_name">
+        <on_click
+         function="IMFloaterContainer.Action"
+         parameter="sort_sessions_by_name" />
+        <on_check
+         function="IMFloaterContainer.Check"
+         parameter="sort_sessions_by_name" />
+    </menu_item_check>
+    <menu_item_check
+     label="Sort conversations by recent activity"
+     layout="topleft"
+     name="sort_sessions_by_recent">
+        <on_click
+         function="IMFloaterContainer.Action"
+         parameter="sort_sessions_by_recent" />
+        <on_check
+         function="IMFloaterContainer.Check"
+         parameter="sort_sessions_by_recent" />
+    </menu_item_check>
+    <menu_item_separator
+     layout="topleft" />
+    <menu_item_check
+     label="Sort participants by name"
+     layout="topleft"
+     name="sort_participants_by_name">
+        <on_click
+         function="IMFloaterContainer.Action"
+         parameter="sort_participants_by_name" />
+        <on_check
+         function="IMFloaterContainer.Check"
+         parameter="sort_participants_by_name" />
+    </menu_item_check>
+    <menu_item_check
+     label="Sort participants by recent activity"
+     layout="topleft"
+     name="sort_participants_by_recent">
+        <on_click
+         function="IMFloaterContainer.Action"
+         parameter="sort_participants_by_recent" />
+        <on_check
+         function="IMFloaterContainer.Check"
+         parameter="sort_participants_by_recent" />
+    </menu_item_check>
+    <menu_item_separator
+     layout="topleft" />
+    <menu_item_call
+         label="Chat preferences..."
+         name="chat_preferences">
+        <on_click
+         function="IMFloaterContainer.Action"
+         parameter="chat_preferences" />
+      </menu_item_call>
+    <menu_item_call
+         label="Privacy preferences..."
+         name="privacy_preferences">
+        <on_click
+         function="IMFloaterContainer.Action"
+         parameter="privacy_preferences" />
+    </menu_item_call>
+    <menu_item_check
+         label="Conversation log..."
+         name="Conversation"
+         visible="true">
+        <menu_item_check.on_check
+         function="Floater.Visible"
+         parameter="conversation" />
+        <menu_item_check.on_click
+         function="Floater.Toggle"
+         parameter="conversation" />
+        <menu_item_check.on_enable
+         function="Avatar.EnableItem"
+         parameter="conversation_log" />
+    </menu_item_check>
+</toggleable_menu>
diff --git a/indra/newview/skins/default/xui/en/menu_people_blocked_gear.xml b/indra/newview/skins/default/xui/en/menu_people_blocked_gear.xml
new file mode 100644
index 0000000000..63295ea27b
--- /dev/null
+++ b/indra/newview/skins/default/xui/en/menu_people_blocked_gear.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
+<toggleable_menu 
+     name="menu_blocked_gear"
+     left="0" bottom="0" visible="false"
+     mouse_opaque="false">
+  <menu_item_call
+   label="Unblock"
+   name="unblock">
+      <on_click
+       function="Block.Action"
+       parameter="unblock_item" />
+      <on_enable
+       function="Block.Enable"
+       parameter="unblock_item" /> 
+  </menu_item_call>
+  <menu_item_call
+   label="Profile..."
+   name="profile">
+      <on_click
+       function="Block.Action"
+       parameter="profile_item"/>
+      <on_enable
+       function="Block.Enable"
+       parameter="profile_item" />
+  </menu_item_call>
+</toggleable_menu>
diff --git a/indra/newview/skins/default/xui/en/menu_people_blocked_plus.xml b/indra/newview/skins/default/xui/en/menu_people_blocked_plus.xml
new file mode 100644
index 0000000000..0c7155667e
--- /dev/null
+++ b/indra/newview/skins/default/xui/en/menu_people_blocked_plus.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
+<toggleable_menu 
+     name="menu_blocked_plus"
+     left="0" bottom="0" visible="false"
+     mouse_opaque="false">
+  <menu_item_call
+   label="Block Resident by name..."
+   name="block_resident_by_name">
+      <on_click
+       function="Block.Action"
+       parameter="block_res_by_name"/>
+  </menu_item_call>
+  <menu_item_call
+   label="Block object by name"
+   name="block_object_by_name">
+      <on_click
+       function="Block.Action"
+       parameter="block_obj_by_name"/>
+  </menu_item_call>
+</toggleable_menu>
diff --git a/indra/newview/skins/default/xui/en/menu_people_blocked_view.xml b/indra/newview/skins/default/xui/en/menu_people_blocked_view.xml
new file mode 100644
index 0000000000..2efb70ee37
--- /dev/null
+++ b/indra/newview/skins/default/xui/en/menu_people_blocked_view.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
+<toggleable_menu 
+     name="menu_blocked_view"
+     left="0" bottom="0" visible="false"
+     mouse_opaque="false">
+  <menu_item_check
+   label="Sort by name"
+   name="sort_by_name">
+      <on_click
+       function="Block.Action"
+       parameter="sort_by_name"/>
+      <on_check
+       function="Block.Check"
+       parameter="sort_by_name"/>
+  </menu_item_check>
+  <menu_item_check
+   label="Sort by type"
+   name="sort_by_type">
+      <on_click
+       function="Block.Action"
+       parameter="sort_by_type" />
+      <on_check
+       function="Block.Check"
+       parameter="sort_by_type" />
+  </menu_item_check>
+</toggleable_menu>
diff --git a/indra/newview/skins/default/xui/en/menu_people_friends_view_sort.xml b/indra/newview/skins/default/xui/en/menu_people_friends_view.xml
index b452f96e7a..dde9432867 100644
--- a/indra/newview/skins/default/xui/en/menu_people_friends_view_sort.xml
+++ b/indra/newview/skins/default/xui/en/menu_people_friends_view.xml
@@ -40,8 +40,12 @@
      function="CheckControl"
      parameter="FriendsListShowPermissions" />
   </menu_item_check>
-  <menu_item_separator layout="topleft" />
-  <menu_item_call name="show_blocked_list" label="Show Blocked Residents &amp; Objects">
-    <menu_item_call.on_click function="People.Friends.ViewSort.Action" parameter="panel_block_list_sidetray" />
-  </menu_item_call>
+  <menu_item_check name="view_conversation" label="View Conversation Log...">
+    <menu_item_check.on_check
+     function="Floater.Visible"
+     parameter="conversation" />
+    <menu_item_check.on_click
+     function="Floater.Toggle"
+     parameter="conversation" />
+  </menu_item_check>
 </toggleable_menu>
diff --git a/indra/newview/skins/default/xui/en/menu_people_groups.xml b/indra/newview/skins/default/xui/en/menu_people_groups.xml
index 8f89d37dbb..1e0364b84e 100644
--- a/indra/newview/skins/default/xui/en/menu_people_groups.xml
+++ b/indra/newview/skins/default/xui/en/menu_people_groups.xml
@@ -1,8 +1,18 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes" ?>
-<menu name="menu_group_plus"
+<toggleable_menu name="menu_group_plus"
  left="0" bottom="0" visible="false"
  mouse_opaque="false" opaque="true" color="MenuDefaultBgColor">
   <menu_item_call
+   label="Activate"
+   name="Activate">
+    <menu_item_call.on_click
+     function="People.Groups.Action"
+     parameter="activate" />
+    <menu_item_call.on_enable
+     function="People.Groups.Enable"
+     parameter="activate" />
+  </menu_item_call>
+  <menu_item_call
    label="View Info"
    name="View Info">
     <menu_item_call.on_click
@@ -23,7 +33,7 @@
      parameter="chat" />
   </menu_item_call>
   <menu_item_call
-   label="Call"
+   label="Voice call"
    name="Call">
     <menu_item_call.on_click
      function="People.Groups.Action"
@@ -34,17 +44,6 @@
   </menu_item_call>
   <menu_item_separator />
   <menu_item_call
-   label="Activate"
-   name="Activate">
-    <menu_item_call.on_click
-     function="People.Groups.Action"
-     parameter="activate" />
-    <menu_item_call.on_enable
-     function="People.Groups.Enable"
-     parameter="activate" />
-  </menu_item_call>
-  <menu_item_separator />
-  <menu_item_call
    label="Leave"
    name="Leave">
     <menu_item_call.on_click
@@ -54,4 +53,4 @@
      function="People.Groups.Enable"
      parameter="leave" />
   </menu_item_call>
-</menu>
+</toggleable_menu>
diff --git a/indra/newview/skins/default/xui/en/menu_people_groups_view_sort.xml b/indra/newview/skins/default/xui/en/menu_people_groups_view.xml
index c710fe3b9b..73f79f1e70 100644
--- a/indra/newview/skins/default/xui/en/menu_people_groups_view_sort.xml
+++ b/indra/newview/skins/default/xui/en/menu_people_groups_view.xml
@@ -14,13 +14,4 @@
        function="CheckControl"
        parameter="GroupListShowIcons" />
   </menu_item_check>
-  <menu_item_call
-   label="Leave Selected Group"
-   layout="topleft"
-   name="Leave Selected Group">
-      <menu_item_call.on_click
-       function="People.Group.Minus.Action"/>
-      <menu_item_call.on_enable
-       function="People.Group.Minus.Enable"/>
-  </menu_item_call>
 </toggleable_menu>
diff --git a/indra/newview/skins/default/xui/en/menu_people_nearby.xml b/indra/newview/skins/default/xui/en/menu_people_nearby.xml
index d2e35e4cc0..8014e81469 100644
--- a/indra/newview/skins/default/xui/en/menu_people_nearby.xml
+++ b/indra/newview/skins/default/xui/en/menu_people_nearby.xml
@@ -10,12 +10,47 @@
          function="Avatar.Profile" />
     </menu_item_call>
     <menu_item_call
+     label="IM"
+     layout="topleft"
+     name="IM">
+        <menu_item_call.on_click
+         function="Avatar.IM" />
+    </menu_item_call>
+    <menu_item_call
+    label="Offer Teleport"
+    name="teleport">
+      <menu_item_call.on_click
+       function="Avatar.OfferTeleport"/>
+      <menu_item_call.on_enable
+      function="Avatar.EnableItem"
+      parameter="can_offer_teleport"/>
+    </menu_item_call>
+    <menu_item_call
+     label="Voice call"
+     layout="topleft"
+     name="Call">
+        <menu_item_call.on_click
+         function="Avatar.Call" />
+        <menu_item_call.on_enable
+         function="Avatar.EnableItem"
+         parameter="can_call" />
+    </menu_item_call>
+    <menu_item_separator />
+    <menu_item_call
+     label="View chat history..."
+     layout="topleft"
+     name="Chat history">
+        <menu_item_call.on_click
+         function="Avatar.Calllog" />
+    </menu_item_call>
+    <menu_item_separator />
+    <menu_item_call
      label="Add Friend"
      layout="topleft"
      name="Add Friend">
         <menu_item_call.on_click
          function="Avatar.AddFriend" />
-        <menu_item_call.on_enable
+        <menu_item_call.on_visible
          function="Avatar.EnableItem"
          parameter="can_add" />
     </menu_item_call>
@@ -30,22 +65,13 @@
          parameter="can_delete" />
     </menu_item_call>
     <menu_item_call
-     label="IM"
+     label="Invite to group..."
      layout="topleft"
-     name="IM">
+     name="Invite">
         <menu_item_call.on_click
-         function="Avatar.IM" />
-    </menu_item_call>
-    <menu_item_call
-     label="Call"
-     layout="topleft"
-     name="Call">
-        <menu_item_call.on_click
-         function="Avatar.Call" />
-        <menu_item_call.on_enable
-         function="Avatar.EnableItem"
-         parameter="can_call" />
+         function="Avatar.InviteToGroup" />
     </menu_item_call>
+    <menu_item_separator />
     <menu_item_call
      label="Map"
      layout="topleft"
@@ -83,13 +109,5 @@
          function="Avatar.EnableItem"
          parameter="can_block" />
     </menu_item_check>
-    <menu_item_call
-    label="Offer Teleport"
-    name="teleport">
-      <menu_item_call.on_click
-       function="Avatar.OfferTeleport"/>
-      <menu_item_call.on_enable
-      function="Avatar.EnableItem"
-      parameter="can_offer_teleport"/>
-    </menu_item_call>
+    <menu_item_separator />
 </context_menu>
diff --git a/indra/newview/skins/default/xui/en/menu_people_nearby_view.xml b/indra/newview/skins/default/xui/en/menu_people_nearby_view.xml
new file mode 100644
index 0000000000..da88ca9f4d
--- /dev/null
+++ b/indra/newview/skins/default/xui/en/menu_people_nearby_view.xml
@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
+<toggleable_menu
+ name="menu_group_plus"
+ left="0" bottom="0" visible="false"
+ mouse_opaque="false">
+    <menu_item_check
+       label="Sort by Recent Speakers"
+       name="sort_by_recent_speakers">
+      <menu_item_check.on_click
+         function="People.Nearby.ViewSort.Action"
+       parameter="sort_by_recent_speakers"/>
+      <menu_item_check.on_check
+         function="People.Nearby.ViewSort.CheckItem"
+         parameter="sort_by_recent_speakers"/>
+    </menu_item_check>
+    <menu_item_check
+       label="Sort by Name"
+       name="sort_name">
+      <menu_item_check.on_click
+         function="People.Nearby.ViewSort.Action"
+         parameter="sort_name"/>
+      <menu_item_check.on_check
+         function="People.Nearby.ViewSort.CheckItem"
+         parameter="sort_name"/>
+    </menu_item_check>
+    <menu_item_check
+       label="Sort by Distance"
+       name="sort_distance">
+      <menu_item_check.on_click
+         function="People.Nearby.ViewSort.Action"
+         parameter="sort_distance"/>
+      <menu_item_check.on_check
+         function="People.Nearby.ViewSort.CheckItem"
+         parameter="sort_distance"/>
+    </menu_item_check>
+    <menu_item_separator layout="topleft" />
+    <menu_item_check name="view_icons" label="View People Icons">
+        <menu_item_check.on_click
+         function="People.Nearby.ViewSort.Action"
+         parameter="view_icons" />
+        <menu_item_check.on_check
+         function="CheckControl"
+         parameter="NearbyListShowIcons" />
+    </menu_item_check>
+    <menu_item_check name ="view_map" label="View Map">
+        <menu_item_check.on_check
+         function="CheckControl"
+         parameter="NearbyListShowMap" />
+        <menu_item_check.on_click
+         function="ToggleControl"
+         parameter="NearbyListShowMap" />
+    </menu_item_check>
+</toggleable_menu>
diff --git a/indra/newview/skins/default/xui/en/menu_people_nearby_view_sort.xml b/indra/newview/skins/default/xui/en/menu_people_nearby_view_sort.xml
deleted file mode 100644
index 614dd693c5..0000000000
--- a/indra/newview/skins/default/xui/en/menu_people_nearby_view_sort.xml
+++ /dev/null
@@ -1,57 +0,0 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
-<toggleable_menu
-     name="menu_group_plus"
-     left="0" bottom="0" visible="false"
-     mouse_opaque="false">
-  <menu_item_check
-     label="Sort by Recent Speakers"
-     name="sort_by_recent_speakers">
-    <menu_item_check.on_click
-       function="People.Nearby.ViewSort.Action"
-       parameter="sort_by_recent_speakers"/>
-    <menu_item_check.on_check
-       function="People.Nearby.ViewSort.CheckItem"
-       parameter="sort_by_recent_speakers"/>
-  </menu_item_check>
-  <menu_item_check
-     label="Sort by Name"
-     name="sort_name">
-    <menu_item_check.on_click
-       function="People.Nearby.ViewSort.Action"
-       parameter="sort_name"/>
-    <menu_item_check.on_check
-       function="People.Nearby.ViewSort.CheckItem"
-       parameter="sort_name"/>
-  </menu_item_check>
-  <menu_item_check
-     label="Sort by Distance"
-     name="sort_distance">
-    <menu_item_check.on_click
-       function="People.Nearby.ViewSort.Action"
-       parameter="sort_distance"/>
-    <menu_item_check.on_check
-       function="People.Nearby.ViewSort.CheckItem"
-       parameter="sort_distance"/>
-  </menu_item_check>
-  <menu_item_separator layout="topleft" />
-  <menu_item_check name="view_icons" label="View People Icons">
-    <menu_item_check.on_click
-     function="People.Nearby.ViewSort.Action"
-     parameter="view_icons" />
-    <menu_item_check.on_check
-     function="CheckControl"
-     parameter="NearbyListShowIcons" />
-  </menu_item_check>
-  <menu_item_check name ="view_map" label="View Map">
-    <menu_item_check.on_check
-      function="CheckControl"
-      parameter="NearbyListShowMap" />
-    <menu_item_check.on_click
-      function="ToggleControl"
-      parameter="NearbyListShowMap" />
-  </menu_item_check>
-  <menu_item_separator layout="topleft" />
-  <menu_item_call name="show_blocked_list" label="Show Blocked Residents &amp; Objects">
-    <menu_item_call.on_click function="People.Nearby.ViewSort.Action" userdata="panel_block_list_sidetray" />
-  </menu_item_call>
-</toggleable_menu>
diff --git a/indra/newview/skins/default/xui/en/menu_people_recent_view_sort.xml b/indra/newview/skins/default/xui/en/menu_people_recent_view.xml
index 485a5a658c..1dbc90dd2b 100644
--- a/indra/newview/skins/default/xui/en/menu_people_recent_view_sort.xml
+++ b/indra/newview/skins/default/xui/en/menu_people_recent_view.xml
@@ -32,8 +32,4 @@
      function="CheckControl"
      parameter="RecentListShowIcons" />
   </menu_item_check>
-  <menu_item_separator layout="topleft" />
-  <menu_item_call name="show_blocked_list" label="Show Blocked Residents &amp; Objects">
-    <menu_item_call.on_click function="People.Recent.ViewSort.Action" userdata="panel_block_list_sidetray" />
-  </menu_item_call>
 </toggleable_menu>
diff --git a/indra/newview/skins/default/xui/en/menu_viewer.xml b/indra/newview/skins/default/xui/en/menu_viewer.xml
index 18932a32d0..8d5e3f0b5d 100644
--- a/indra/newview/skins/default/xui/en/menu_viewer.xml
+++ b/indra/newview/skins/default/xui/en/menu_viewer.xml
@@ -130,19 +130,22 @@
        label="Status"
        name="Status"
        tear_off="true">
-        <menu_item_call
-         label="Away"
-         name="Set Away">
-          <menu_item_call.on_click
+        <menu_item_check
+         label="Away">
+          <menu_item_check.on_check
+           function="View.Status.CheckAway" />
+          <menu_item_check.on_click
            function="World.SetAway" />
-        </menu_item_call>
-        <menu_item_call
-         label="Busy"
-         name="Set Busy">
-          <menu_item_call.on_click
-           function="World.SetBusy"/>
-        </menu_item_call>
-      </menu>
+        </menu_item_check>
+        <menu_item_check
+         label="Do Not Disturb">
+          <menu_item_check.on_check
+           function="View.Status.CheckDoNotDisturb" />
+          <menu_item_check.on_click
+           function="World.SetDoNotDisturb"/>
+        </menu_item_check>
+      
+    </menu>
 
       <menu_item_separator/>
 
@@ -218,17 +221,27 @@
      label="Communicate"
      name="Communicate"
      tear_off="true">
-        <menu_item_check
-         label="Chat..."
+       <menu_item_check
+         label="Conversations..."
+         name="Conversations">
+            <menu_item_check.on_check
+             function="Floater.IsOpen"
+             parameter="im_container" />
+            <menu_item_check.on_click
+             function="Floater.ToggleOrBringToFront"
+             parameter="im_container" />
+	</menu_item_check>
+	<menu_item_check
+         label="Nearby Chat..."
          name="Nearby Chat"
          shortcut="control|H"
          use_mac_ctrl="true">
             <menu_item_check.on_check
              function="Floater.Visible"
-             parameter="chat_bar" />
+             parameter="nearby_chat" />
             <menu_item_check.on_click
              function="Floater.Toggle"
-             parameter="chat_bar" />
+             parameter="nearby_chat" />
         </menu_item_check>
         <menu_item_check
          label="Speak"
@@ -244,15 +257,17 @@
              parameter="speak" />
         </menu_item_check>
         <menu_item_check
-         label="Voice settings..."
-         name="Nearby Voice">
+         label="Conversation Log...">
             <menu_item_check.on_check
              function="Floater.Visible"
-             parameter="voice_controls" />
+             parameter="conversation" />
+            <menu_item_check.on_enable
+             function="Conversation.IsConversationLoggingAllowed" />
             <menu_item_check.on_click
              function="Floater.Toggle"
-             parameter="voice_controls" />
+             parameter="conversation" />
         </menu_item_check>
+        <menu_item_separator/>
         <menu_item_check
          label="Voice morphing..."
          name="ShowVoice"
@@ -304,8 +319,18 @@
          label="Block List"
          name="Block List">
             <menu_item_call.on_click
-              function="Communicate.BlockList" />
+              function="SideTray.PanelPeopleTab"
+              parameter="blocked_panel" />
         </menu_item_call>
+      <menu_item_separator/>
+      <menu_item_check
+       label="Do Not Disturb">
+        <menu_item_check.on_check
+         function="View.Status.CheckDoNotDisturb" />
+        <menu_item_check.on_click
+         function="World.SetDoNotDisturb"/>
+      </menu_item_check>
+
     </menu>
     <menu
      create_jump_keys="true"
@@ -1250,7 +1275,58 @@
              function="Floater.Show"
              parameter="hud" />
         </menu_item_call>-->
-
+		<menu_item_separator/>
+		
+		<menu_item_call
+             label="User’s guide"
+             name="User’s guide">
+             <menu_item_call.on_click
+                 function="Advanced.ShowURL"
+                 parameter="http://community.secondlife.com/t5/English-Knowledge-Base/Second-Life-User-s-Guide/ta-p/1244857"/>
+        </menu_item_call>
+        <menu_item_call
+             label="Knowledge Base"
+             name="Knowledge Base">
+             <menu_item_call.on_click
+                 function="Advanced.ShowURL"
+                 parameter="http://community.secondlife.com/t5/tkb/communitypage"/>
+        </menu_item_call>
+        <menu_item_call
+             label="Wiki"
+             name="Wiki">
+             <menu_item_call.on_click
+                 function="Advanced.ShowURL"
+                 parameter="http://wiki.secondlife.com"/>
+        </menu_item_call>
+        <menu_item_call
+             label="Community Forums"
+             name="Community Forums">
+             <menu_item_call.on_click
+                 function="Advanced.ShowURL"
+                 parameter="http://community.secondlife.com/t5/Forums/ct-p/Forums"/>
+        </menu_item_call>         
+        <menu_item_call
+             label="Support portal"
+             name="Support portal">
+             <menu_item_call.on_click
+                 function="Advanced.ShowURL"
+                 parameter="https://support.secondlife.com/"/>         
+        </menu_item_call>
+        <menu_item_separator/>
+        <menu_item_call
+             label="[SECOND_LIFE] News"
+             name="Second Life News">
+             <menu_item_call.on_click
+                 function="Advanced.ShowURL"
+                 parameter="http://community.secondlife.com/t5/Featured-News/bg-p/blog_feature_news"/>  
+        </menu_item_call>
+        <menu_item_call
+             label="[SECOND_LIFE] Blogs"
+             name="Second Life Blogs">
+             <menu_item_call.on_click
+                 function="Advanced.ShowURL"
+                 parameter="http://community.secondlife.com/t5/Blogs/ct-p/Blogs"/>
+        </menu_item_call>
         <menu_item_separator/>
 
         <menu_item_call
diff --git a/indra/newview/skins/default/xui/en/notifications.xml b/indra/newview/skins/default/xui/en/notifications.xml
index 9dae77a304..6a464ccdc4 100644
--- a/indra/newview/skins/default/xui/en/notifications.xml
+++ b/indra/newview/skins/default/xui/en/notifications.xml
@@ -3046,6 +3046,7 @@ Would you like to trust this authority?
    icon="alertmodal.tga"
    name="GrantedModifyRights"
    persist="true"
+   log_to_im="true"   
    type="notify">
 [NAME] has given you permission to edit their objects.
   </notification>
@@ -3054,6 +3055,7 @@ Would you like to trust this authority?
    icon="alertmodal.tga"
    name="RevokedModifyRights"
    persist="true"
+   log_to_im="true"   
    type="notify">
 Your privilege to modify [NAME]&apos;s objects has been revoked
   </notification>
@@ -3687,12 +3689,15 @@ Cannot offer friendship at this time. Please try again in a moment.
 
   <notification
    icon="alert.tga"
-   name="BusyModeSet"
+   name="DoNotDisturbModeSet"
    type="alert">
-Busy mode is set.
-Chat and instant messages will be hidden. Instant messages will get your Busy mode response. All teleportation offers will be declined. All inventory offers will go to your Trash.
+Do Not Disturb is on.  You will not be notified of incoming communications.
+
+- Other residents will receive your Do Not Disturb response (set in Preferences &gt; General).
+- Teleportation offers will be declined.
+- Voice calls will be rejected.
     <usetemplate
-     ignoretext="I change my status to Busy mode"
+     ignoretext="I change my status to Do Not Disturb mode"
      name="okignore"
      yestext="OK"/>
   </notification>
@@ -4238,6 +4243,8 @@ Are you sure you want to change the Estate Covenant?
   <notification
    icon="notifytip.tga"
    name="RegionEntryAccessBlocked_Notify"
+   log_to_im="false"
+   log_to_chat="true"
    type="notifytip">
    <tag>fail</tag>
 The region you're trying to visit contains [REGIONMATURITY] content, but your current preferences are set to exclude [REGIONMATURITY] content.
@@ -4246,6 +4253,8 @@ The region you're trying to visit contains [REGIONMATURITY] content, but your cu
   <notification
    icon="notifytip.tga"
    name="RegionEntryAccessBlocked_NotifyAdultsOnly"
+   log_to_im="false"
+   log_to_chat="true"
    type="notifytip">
     <tag>fail</tag>
     The region you're trying to visit contains [REGIONMATURITY] content, which is accessible to adults only.
@@ -4317,6 +4326,8 @@ The region you're trying to visit contains [REGIONMATURITY] content, but your cu
   <notification
    icon="notifytip.tga"
    name="TeleportEntryAccessBlocked_Notify"
+   log_to_im="false"
+   log_to_chat="true"
    type="notifytip">
     <unique>
       <context>REGIONMATURITY</context>
@@ -4328,6 +4339,8 @@ The region you're trying to visit contains [REGIONMATURITY] content, but your cu
   <notification
    icon="notifytip.tga"
    name="TeleportEntryAccessBlocked_NotifyAdultsOnly"
+   log_to_im="false"
+   log_to_chat="true"
    type="notifytip">
     <unique>
       <context>REGIONMATURITY</context>
@@ -4448,6 +4461,8 @@ You won't receive any more notifications that you're about to visit a region wit
   <notification
    icon="notifytip.tga"
    name="LandClaimAccessBlocked_Notify"
+   log_to_im="false"
+   log_to_chat="true"
    type="notifytip">
     The land you're trying to claim contains [REGIONMATURITY] content, but your current preferences are set to exclude [REGIONMATURITY] content.
     <tag>fail</tag>
@@ -4456,6 +4471,8 @@ You won't receive any more notifications that you're about to visit a region wit
   <notification
    icon="notifytip.tga"
    name="LandClaimAccessBlocked_NotifyAdultsOnly"
+   log_to_im="false"
+   log_to_chat="true"
    type="notifytip">
     <tag>fail</tag>
     The land you're trying to claim contains [REGIONMATURITY] content, which is accessible to adults only.
@@ -4513,6 +4530,8 @@ You won't receive any more notifications that you're about to visit a region wit
   <notification
    icon="notifytip.tga"
    name="LandBuyAccessBlocked_Notify"
+   log_to_im="false"
+   log_to_chat="true"
    type="notifytip">
     The land you're trying to buy contains [REGIONMATURITY] content, but your current preferences are set to exclude [REGIONMATURITY] content.
     <tag>fail</tag>
@@ -4521,6 +4540,8 @@ You won't receive any more notifications that you're about to visit a region wit
   <notification
    icon="notifytip.tga"
    name="LandBuyAccessBlocked_NotifyAdultsOnly"
+   log_to_im="false"
+   log_to_chat="true"
    type="notifytip">
     <tag>fail</tag>
     The land you're trying to buy contains [REGIONMATURITY] content, which is accessible to adults only.
@@ -4966,6 +4987,20 @@ Go to your [http://secondlife.com/account/ Dashboard] to see your account histor
 
   <notification
    icon="alertmodal.tga"
+   name="ConfirmAddingChatParticipants"
+   type="alertmodal">
+    <unique/>
+When you add a person to an existing conversation, a new conversation will be created.  All participants will receive new conversation notifications.
+    <tag>confirm</tag>
+    <usetemplate
+     ignoretext="Confirm adding chat paticipants"
+     name="okcancelignore"
+     notext="Cancel"
+     yestext="Ok"/>
+  </notification>
+ 
+  <notification
+   icon="alertmodal.tga"
    name="ConfirmQuit"
    type="alertmodal">
     <unique/>
@@ -5133,25 +5168,25 @@ Do you want to replace it with the selected object?
 
   <notification
    icon="alert.tga"
-   label="Busy Mode Warning"
-   name="BusyModePay"
+   label="Do Not Disturb Mode Warning"
+   name="DoNotDisturbModePay"
    type="alert">
-You are in Busy Mode, which means you will not receive any items offered in exchange for this payment.
+You have turned on Do Not Disturb. You will not receive any items offered in exchange for this payment.
 
-Would you like to leave Busy Mode before completing this transaction?
+Would you like to turn off Do Not Disturb before completing this transaction?
     <tag>confirm</tag>
     <form name="form">
       <ignore name="ignore"
        save_option="true"
-       text="I am about to pay a person or object while I am in Busy mode"/>
+       text="I am about to pay a person or object while I am in Do Not Disturb mode"/>
       <button
        default="true"
-       ignore="Always leave Busy Mode"
+       ignore="Always leave Do Not Disturb Mode"
        index="0"
        name="Yes"
        text="OK"/>
       <button
-       ignore="Never leave Busy Mode"
+       ignore="Never leave Do Not Disturb Mode"
        index="1"
        name="No"
        text="Cancel"/>
@@ -5462,6 +5497,8 @@ The string [STRING_NAME] is missing from strings.xml
   <notification
    icon="notifytip.tga"
    name="IMSystemMessageTip"
+   log_to_im="true"   
+   log_to_chat="false"   
    type="notifytip">
 [MESSAGE]
   </notification>
@@ -5505,18 +5542,14 @@ Topic: [SUBJECT], Message: [MESSAGE]
 
   <notification
    icon="notifytip.tga"
-   name="FriendOnline"
-   type="notifytip">
-    <tag>friendship</tag>
-&lt;nolink&gt;[NAME]&lt;/nolink&gt; is Online
-  </notification>
-
-  <notification
-   icon="notifytip.tga"
-   name="FriendOffline"
+   name="FriendOnlineOffline"
+   log_to_chat="false"
    type="notifytip">
     <tag>friendship</tag>
-&lt;nolink&gt;[NAME]&lt;/nolink&gt; is Offline
+&lt;nolink&gt;[NAME]&lt;/nolink&gt; is [STATUS]
+    <unique combine="cancel_old">
+      <context>NAME</context>
+    </unique>
   </notification>
 
   <notification
@@ -5760,6 +5793,8 @@ You don&apos;t have permission to copy this.
   <notification
    icon="notifytip.tga"
    name="InventoryAccepted"
+   log_to_im="true"   
+   log_to_chat="false"
    type="notifytip">
 [NAME] received your inventory offer.
   </notification>
@@ -5767,6 +5802,8 @@ You don&apos;t have permission to copy this.
   <notification
    icon="notifytip.tga"
    name="InventoryDeclined"
+   log_to_im="true"   
+   log_to_chat="false"
    type="notifytip">
 [NAME] declined your inventory offer.
   </notification>
@@ -5848,6 +5885,7 @@ Please select at least one type of content to search (General, Moderate, or Adul
   <notification
    icon="notify.tga"
    name="PaymentReceived"
+   log_to_im="true"   
    persist="true"
    type="notify">
     <tag>funds</tag>
@@ -5857,6 +5895,7 @@ Please select at least one type of content to search (General, Moderate, or Adul
   <notification
    icon="notify.tga"
    name="PaymentSent"
+   log_to_im="true"   
    persist="true"
    type="notify">
     <tag>funds</tag>
@@ -6001,6 +6040,7 @@ The objects on the selected parcel that are NOT owned by you have been returned
   <notification
    icon="notify.tga"
    name="ServerObjectMessage"
+   log_to_im="true"   
    persist="true"
    type="notify">
 Message from [NAME]:
@@ -6399,7 +6439,9 @@ Your object named &lt;nolink&gt;[OBJECTFROMNAME]&lt;/nolink&gt; has given you th
   <notification
    icon="notify.tga"
    name="UserGiveItem"
-   type="offer">
+   log_to_im ="true"
+   type="offer"
+   sound="UISndNewIncomingIMSession">
 [NAME_SLURL] has given you this [OBJECTTYPE]:
 [ITEM_SLURL]
     <form name="form">
@@ -6454,7 +6496,10 @@ Your object named &lt;nolink&gt;[OBJECTFROMNAME]&lt;/nolink&gt; has given you th
   <notification
    icon="notify.tga"
    name="TeleportOffered"
-   type="offer">
+   log_to_im="true"
+   log_to_chat="false"
+   type="offer"
+   sound="UISndNewIncomingIMSession">
 [NAME_SLURL] has offered to teleport you to their location:
 
 “[MESSAGE]”
@@ -6475,6 +6520,8 @@ Your object named &lt;nolink&gt;[OBJECTFROMNAME]&lt;/nolink&gt; has given you th
   <notification
    icon="notify.tga"
    name="TeleportOffered_MaturityExceeded"
+   log_to_im="true"
+   log_to_chat="false"
    type="offer">
 [NAME_SLURL] has offered to teleport you to their location:
 
@@ -6498,6 +6545,8 @@ This region contains [REGION_CONTENT_MATURITY] content, but your current prefere
   <notification
    icon="notify.tga"
    name="TeleportOffered_MaturityBlocked"
+   log_to_im="true"
+   log_to_chat="false"
    type="notifytip">
 [NAME_SLURL] has offered to teleport you to their location:
 
@@ -6511,7 +6560,10 @@ However, this region contains content accessible to adults only.
   <notification
    icon="notify.tga"
    name="TeleportOfferSent"
-   type="offer">
+   log_to_im="true"
+   log_to_chat="false"
+   show_toast="false"
+   type="notify">
 	Teleport offer sent to [TO_NAME]
   </notification>
 
@@ -6538,6 +6590,7 @@ However, this region contains content accessible to adults only.
   <notification
    icon="notify.tga"
    name="OfferFriendship"
+   log_to_im="true"
    type="offer">
     <tag>friendship</tag>
     <tag>confirm</tag>
@@ -6561,7 +6614,9 @@ However, this region contains content accessible to adults only.
   <notification
    icon="notify.tga"
    name="FriendshipOffered"
-   type="offer">
+   log_to_im="true"   
+   show_toast="false"   
+   type="notify">
     <tag>friendship</tag>
 	You have offered friendship to [TO_NAME]
   </notification>
@@ -6590,7 +6645,8 @@ However, this region contains content accessible to adults only.
   <notification
    icon="notify.tga"
    name="FriendshipAccepted"
-   type="offer">
+   log_to_im="true"   
+   type="notify">
     <tag>friendship</tag>
 &lt;nolink&gt;[NAME]&lt;/nolink&gt; accepted your friendship offer.
   </notification>
@@ -6598,6 +6654,7 @@ However, this region contains content accessible to adults only.
   <notification
    icon="notify.tga"
    name="FriendshipDeclined"
+   log_to_im="true"   
    persist="true"
    type="notify">
     <tag>friendship</tag>
@@ -6607,7 +6664,9 @@ However, this region contains content accessible to adults only.
     <notification
    icon="notify.tga"
    name="FriendshipAcceptedByMe"
-   type="offer">
+   log_to_im="true"   
+   show_toast="false"
+   type="notify">
     <tag>friendship</tag>
 Friendship offer accepted.
   </notification>
@@ -6615,7 +6674,9 @@ Friendship offer accepted.
   <notification
    icon="notify.tga"
    name="FriendshipDeclinedByMe"
-   type="offer">
+   log_to_im="true"   
+   show_toast="false"   
+   type="notify">
     <tag>friendship</tag>
 Friendship offer declined.
   </notification>
@@ -6664,6 +6725,7 @@ If you stay in this region you will be logged out.
   <notification
    icon="notify.tga"
    name="LoadWebPage"
+   show_toast="false"
    type="notify">
 Load web page [URL]?
 
@@ -6766,6 +6828,7 @@ It is rare that such a request is legitimate. Do not allow access if you do not
   <notification
    icon="notify.tga"
    name="ScriptDialog"
+   show_toast="false"
    type="notify">
 [NAME]&apos;s &apos;&lt;nolink&gt;[TITLE]&lt;/nolink&gt;&apos;
 [MESSAGE]
@@ -6784,6 +6847,7 @@ It is rare that such a request is legitimate. Do not allow access if you do not
   <notification
    icon="notify.tga"
    name="ScriptDialogGroup"
+   show_toast="false"
    type="notify">
     <tag>group</tag>
 [GROUPNAME]&apos;s &apos;&lt;nolink&gt;[TITLE]&lt;/nolink&gt;&apos;
diff --git a/indra/newview/skins/default/xui/en/panel_activeim_row.xml b/indra/newview/skins/default/xui/en/panel_activeim_row.xml
deleted file mode 100644
index 9369d1b5cf..0000000000
--- a/indra/newview/skins/default/xui/en/panel_activeim_row.xml
+++ /dev/null
@@ -1,97 +0,0 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
-<panel
-	name="panel_activeim_row"
-	layout="topleft"
-	follows="left|right"
-	top="0"
-	left="0"
-	height="35"
-	width="318"
-  background_opaque="false"
-  background_visible="true"
-  bg_alpha_color="0.0 0.0 0.0 0.0" >
-  <chiclet_im_p2p
-		name="p2p_chiclet"
-		layout="topleft"
-		follows="left"
-		top="3"
-		left="5"
-		height="25"
-		width="25"
-    visible="false"
-    speaker.name="speaker_p2p"
-    speaker.width="20"
-    speaker.height="25"
-    speaker.left="25"
-    speaker.top="25"
-    speaker.auto_update="true"
-    speaker.draw_border="false"
-    speaker.visible="false">
-  </chiclet_im_p2p>
-  <chiclet_im_group
-		name="group_chiclet"
-		layout="topleft"
-		follows="left"
-		top="3"
-		left="5"
-		height="25"
-		width="25"
-    visible="false"
-    speaker.name="speaker_grp"
-    speaker.width="20"
-    speaker.height="25"
-    speaker.left="25"
-    speaker.top="25"
-    speaker.auto_update="true"
-    speaker.draw_border="false"
-    speaker.visible="false">
-  </chiclet_im_group>
-  <chiclet_im_adhoc
-		name="adhoc_chiclet"
-		layout="topleft"
-		follows="left"
-		top="3"
-		left="5"
-		height="25"
-		width="25"
-    visible="false"
-    speaker.name="speaker_hoc"
-    speaker.width="20"
-    speaker.height="25"
-    speaker.left="25"
-    speaker.top="25"
-    speaker.auto_update="true"
-    speaker.draw_border="false"
-    speaker.visible="false">
-  </chiclet_im_adhoc>
-	<text
-	    translate="false"
-		type="string"
-		name="contact_name"
-		layout="topleft"
-		top="10"
-		left_pad="10"
-		height="14"
-		width="250"
-		length="1"
-		follows="right|left"
-		parse_urls="false"
-		use_ellipses="true"
-		font="SansSerifBold">
-    TestString PleaseIgnore
-  </text>
-  <button
-    top="10"
-    right="-5"
-    width="17"
-    height="17"
-    layout="topleft"
-    follows="right"
-    name="hide_btn"
-    mouse_opaque="true"
-    label=""
-    tab_stop="false"
-    image_unselected="Toast_CloseBtn"
-    image_selected="Toast_CloseBtn"
-  />
-</panel>
\ No newline at end of file
diff --git a/indra/newview/skins/default/xui/en/panel_adhoc_control_panel.xml b/indra/newview/skins/default/xui/en/panel_adhoc_control_panel.xml
deleted file mode 100644
index d68fa6ca6c..0000000000
--- a/indra/newview/skins/default/xui/en/panel_adhoc_control_panel.xml
+++ /dev/null
@@ -1,95 +0,0 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
-<panel
- border="false"
- follows="all"
- height="215"
- name="panel_im_control_panel"
- width="150">
-    <layout_stack
-     mouse_opaque="false"
-     border_size="0"
-     clip="false"
-     follows="all"
-     height="215"
-     layout="topleft"
-     left="3"
-     name="vertical_stack"
-     orientation="vertical"
-     top="0"
-     width="147">
-        <layout_panel
-         auto_resize="true"
-         follows="top|left"
-         height="130"
-         layout="topleft"
-         left="0"
-         min_height="0"
-         mouse_opaque="false"
-         width="147"
-         top="0"
-         name="speakers_list_panel">
-            <avatar_list
-             color="DkGray2"
-             follows="all"
-             height="130"
-             ignore_online_status="true"
-             layout="topleft"
-             name="speakers_list"
-             opaque="false"
-             show_info_btn="true"
-             show_profile_btn="false"
-             show_speaking_indicator="false"
-             width="147" />
-        </layout_panel>
-        <layout_panel
-         auto_resize="false"
-         follows="top|left|right"
-         height="25"
-         layout="topleft"
-         min_height="25"
-         width="130"
-         name="call_btn_panel"
-         visible="false">
-            <button
-             follows="all"
-             height="20"
-             label="Call"
-             name="call_btn"
-             width="130"
-             top="0" />
-        </layout_panel>
-        <layout_panel
-         auto_resize="false"
-         follows="top|left|right"
-         height="25"
-         layout="topleft"
-         min_height="25"
-         width="130"
-         name="end_call_btn_panel"
-         visible="false">
-            <button
-             follows="all"
-             height="20"
-             label="Leave Call"
-             name="end_call_btn"
-             top="0"/>
-        </layout_panel>
-        <layout_panel
-         auto_resize="false"
-         follows="top|left|right"
-         height="25"
-         layout="topleft"
-         min_height="25"
-         width="130"
-         name="voice_ctrls_btn_panel"
-         visible="false">
-            <button
-             follows="all"
-             height="20"
-             label="Voice Controls"
-             name="voice_ctrls_btn"
-             top="0"
-             use_ellipses="true" />
-        </layout_panel>
-    </layout_stack>
-</panel>
diff --git a/indra/newview/skins/default/xui/en/panel_avatar_list_item.xml b/indra/newview/skins/default/xui/en/panel_avatar_list_item.xml
index b7c58eb6ab..aa1b929412 100644
--- a/indra/newview/skins/default/xui/en/panel_avatar_list_item.xml
+++ b/indra/newview/skins/default/xui/en/panel_avatar_list_item.xml
@@ -129,6 +129,7 @@
      left_pad="3"
      right="-53"
      name="info_btn"
+     tool_tip="More info"
      tab_stop="false"
      top_delta="0"
      width="16" />
diff --git a/indra/newview/skins/default/xui/en/panel_block_list_sidetray.xml b/indra/newview/skins/default/xui/en/panel_block_list_sidetray.xml
index 7c67fd7f83..53d0252215 100644
--- a/indra/newview/skins/default/xui/en/panel_block_list_sidetray.xml
+++ b/indra/newview/skins/default/xui/en/panel_block_list_sidetray.xml
@@ -4,88 +4,99 @@
  follows="left|top|right|bottom"
  height="305"
  layout="topleft"
+ left="0"
  name="block_list_panel"
  help_topic="blocked_list"
  min_height="350"
  min_width="240"
- width="280">
-        <button
-     follows="top|left"
-     height="24"
-     image_hover_unselected="BackButton_Over"
-     image_pressed="BackButton_Press"
-     image_unselected="BackButton_Off"
-     layout="topleft"
-     name="back"
-     left="4"
-     tab_stop="false"
-     top="1"
-     width="30"/>
-    <text
-     follows="top|left|right"
-     font="SansSerifLargeBold"
-     height="20"
-     layout="topleft"
-     left_pad="10"
-     name="title_text"
-     text_color="White"
-     top="5"
-     width="250">
-        Block List
-     </text>
-    <scroll_list
+ width="323">
+     <panel
+      follows="left|top|right"
+      height="27"
+      label="bottom_panel"
+      layout="topleft"
+      left="0"
+      name="blocked_buttons_panel"
+      right="-1"
+      top="0">
+         <filter_editor
+          follows="left|top|right"
+          height="23"
+          layout="topleft"
+          left="6"
+          label="Filter"
+          max_length_chars="300"
+          name="blocked_filter_input"
+          text_color="Black"
+          text_pad_left="10"
+          top="4"
+          width="177" />
+         <menu_button
+          follows="right"
+          height="25"
+          image_hover_unselected="Toolbar_Middle_Over"
+          image_overlay="OptionsMenu_Off"
+          image_selected="Toolbar_Middle_Selected"
+          image_unselected="Toolbar_Middle_Off"
+          layout="topleft"
+          left_pad="8"
+          menu_filename="menu_people_blocked_gear.xml"
+          menu_position="bottomleft"
+          name="blocked_gear_btn"
+          tool_tip="Actions on selected person or object"
+          top="3"
+          width="31" />
+         <menu_button
+          follows="right"
+          height="25"
+          image_hover_unselected="Toolbar_Middle_Over"
+          image_overlay="Conv_toolbar_sort"
+          image_selected="Toolbar_Middle_Selected"
+          image_unselected="Toolbar_Middle_Off"
+          layout="topleft"
+          left_pad="2"
+          menu_filename="menu_people_blocked_view.xml"
+          menu_position="bottomleft"
+          name="view_btn"
+          tool_tip="Sort options"
+          top_delta="0"
+          width="31" />
+         <menu_button
+          follows="right"
+          height="25"
+          image_hover_unselected="Toolbar_Middle_Over"
+          image_overlay="AddItem_Off"
+          image_selected="Toolbar_Middle_Selected"
+          image_unselected="Toolbar_Middle_Off"
+          layout="topleft"
+          left_pad="2"
+          menu_filename="menu_people_blocked_plus.xml"
+          menu_position="bottomleft"
+          name="plus_btn"
+          tool_tip="Pick a Resident or an object to block"
+          top_delta="0"
+          width="31"/>
+          <button
+          follows="right"
+          height="25"
+          image_hover_unselected="Toolbar_Middle_Over"
+          image_overlay="TrashItem_Off"
+          image_selected="Toolbar_Middle_Selected"
+          image_unselected="Toolbar_Middle_Off"
+          left_pad="2"
+          layout="topleft"
+          name="unblock_btn"
+          tool_tip="Remove Resident or object from blocked list"
+          top_delta="0"
+          width="31"/>
+     </panel>
+    <block_list
      follows="all"
-     height="190"
+     height="273"
      layout="topleft"
-     left="5"
+     left="3"
      name="blocked"
      tool_tip="List of currently blocked Residents"
-     top="30"
-     width="270">
-        <scroll_list.columns
-         name="item_name" />
-        <scroll_list.columns
-         name="item_type"
-         width="96" />
-    </scroll_list>
-    <button
-     follows="left|bottom"
-     height="23"
-     label="Block person"
-     layout="topleft"
-     left_delta="0"
-     name="Block resident..."
-     tool_tip="Pick a Resident to block"
-     top_pad="4"
-     width="210">
-        <button.commit_callback
-         function="Block.ClickPick" />
-    </button>
-    <button
-     follows="left|bottom"
-     height="23"
-     label="Block object by name"
-     layout="topleft"
-     left_delta="0"
-     name="Block object by name..."
-     tool_tip="Pick an object to block by name"
-     top_pad="4"
-     width="210" >
-        <button.commit_callback
-         function="Block.ClickBlockByName" />
-    </button>
-    <button
-     enabled="false"
-     follows="left|bottom"
-     height="23"
-     label="Unblock"
-     layout="topleft"
-     left_delta="0"
-     name="Unblock"
-     tool_tip="Remove Resident or object from blocked list"
-     top_pad="4"
-     width="210" >
-        <button.commit_callback
-         function="Block.ClickRemove" />
-    </button>
+     top="31"
+  	 right="-1"/>
 </panel>
diff --git a/indra/newview/skins/default/xui/en/panel_blocked_list_item.xml b/indra/newview/skins/default/xui/en/panel_blocked_list_item.xml
new file mode 100644
index 0000000000..752321b949
--- /dev/null
+++ b/indra/newview/skins/default/xui/en/panel_blocked_list_item.xml
@@ -0,0 +1,71 @@
+<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
+<panel
+ follows="top|right|left"
+ height="23"
+ layout="topleft"
+ left="0"
+ name="blocked_list_item"
+ top="0"
+ width="380">
+    <icon
+     height="24"
+     follows="top|right|left"
+     image_name="ListItem_Select"
+     layout="topleft"
+     left="0"
+     name="selected_icon"
+     top="0"
+     visible="false"
+     width="380" />
+    <icon
+     follows="top|right|left"
+     height="24"
+     image_name="ListItem_Over"
+     layout="topleft"
+     left="0"
+     name="hovered_icon"
+     top="0"
+     visible="false"
+     width="380" />
+    <avatar_icon
+     default_icon_name="Generic_Person"
+     follows="top|left"
+     height="20"
+     layout="topleft"
+     left="5"
+     mouse_opaque="true"
+     top="2"
+     visible="false"
+     width="20" />
+    <group_icon
+     default_icon_name="Generic_Group"
+     follows="top|left"
+     height="20"
+     layout="topleft"
+     left="5"
+     mouse_opaque="true"
+     top="2"
+     visible="false"
+     width="20" />
+    <icon
+     follows="top|left"
+     height="16"
+     image_name="Inv_Object"
+     layout="topleft"
+     left="7"
+     name="object_icon"
+     top="4"
+     visible="false"
+     width="16" />
+    <text
+     follows="left|right"
+     font="SansSerifSmall"
+     height="15"
+     layout="topleft"
+     left_pad="5"
+     name="item_name"
+     parse_urls="false"
+     top="6"
+     use_ellipses="true"
+     width="180" />
+</panel>
\ No newline at end of file
diff --git a/indra/newview/skins/default/xui/en/panel_bottomtray_lite.xml b/indra/newview/skins/default/xui/en/panel_bottomtray_lite.xml
index f4722b05d6..27a27473d8 100644
--- a/indra/newview/skins/default/xui/en/panel_bottomtray_lite.xml
+++ b/indra/newview/skins/default/xui/en/panel_bottomtray_lite.xml
@@ -46,7 +46,7 @@
             follows="left|right"
             top="4"
             width="310"
-            name="chat_bar"
+            name="nearby_chat"
             mouse_opaque="false"/>
         </layout_panel>
         <layout_panel
diff --git a/indra/newview/skins/default/xui/en/panel_chiclet_bar.xml b/indra/newview/skins/default/xui/en/panel_chiclet_bar.xml
index ff0146490b..fc321fdd23 100644
--- a/indra/newview/skins/default/xui/en/panel_chiclet_bar.xml
+++ b/indra/newview/skins/default/xui/en/panel_chiclet_bar.xml
@@ -87,54 +87,6 @@
          layout="topleft"
          min_height="28"
          min_width="37"
-         name="im_well_panel"
-         top="0"
-         width="37">
-      <chiclet_im_well
-             follows="right"
-             height="28"
-             layout="topleft"
-             left="0"
-             max_displayed_count="99"
-             name="im_well"
-             top="0"
-             width="35">
-        <!--
-Emulate 4 states of button by background images, see details in EXT-3147. The same should be for notification_well button
-xml attribute           Description
-image_unselected        "Unlit" - there are no new messages
-image_selected          "Unlit" + "Selected" - there are no new messages and the Well is open
-image_pressed           "Lit" - there are new messages
-image_pressed_selected  "Lit" + "Selected" - there are new messages and the Well is open
-             -->
-        <button
-                 auto_resize="false"
-                 follows="right"
-                 halign="center"
-                 height="23"
-                 image_overlay="Unread_IM"
-                 image_overlay_alignment="center"
-                 image_pressed="WellButton_Lit"
-                 image_pressed_selected="WellButton_Lit_Selected"
-                 image_selected="PushButton_Press"
-                 label_color="Black"
-                 left="0"
-                 name="Unread IM messages"
-                 tool_tip="Conversations"
-                 width="34">
-          <init_callback
-                     function="Button.SetDockableFloaterToggle"
-                     parameter="im_well_window" />
-        </button>
-      </chiclet_im_well>
-    </layout_panel>
-    <layout_panel
-         auto_resize="false"
-         follows="right"
-         height="28"
-         layout="topleft"
-         min_height="28"
-         min_width="37"
          name="notification_well_panel"
          top="0"
          width="37">
diff --git a/indra/newview/skins/default/xui/en/panel_conversation_list_item.xml b/indra/newview/skins/default/xui/en/panel_conversation_list_item.xml
new file mode 100644
index 0000000000..a054e71e34
--- /dev/null
+++ b/indra/newview/skins/default/xui/en/panel_conversation_list_item.xml
@@ -0,0 +1,98 @@
+<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
+<panel
+ follows="left|top|right"
+ height="24"
+ layout="topleft"
+ name="conversation_list_item"
+ mouse_opaque="false"
+ width="120">
+    <avatar_icon
+     follows="top|left"
+     height="20"
+     default_icon_name="Generic_Person"
+     layout="topleft"
+     left="5"
+     top="2"
+     visible="false"
+     width="20" />
+    <group_icon
+     follows="top|left"
+     height="20"
+     default_icon_name="Generic_Group"
+     layout="topleft"
+     left="5"
+     top="2"
+     visible="false"
+     width="20" />
+    <icon
+     follows="top|left"
+     height="20"
+     image_name="Nearby_chat_icon"
+     layout="topleft"
+     left="5"
+     name="nearby_chat_icon"
+     top="2"
+     visible="false"
+     width="20"/>
+    <layout_stack
+     animate="false"
+     follows="all"
+     height="24"
+     layout="topleft"
+     left="30"
+     mouse_opaque="false"
+     name="conversation_item_stack"
+     orientation="horizontal"
+     top="0"
+     width="90">
+        <layout_panel
+         auto_resize="false"
+         user_resize="false"        
+         height="24"
+         mouse_opaque="false"
+         name="call_icon_panel"
+         visible="false"
+         width="20">
+            <icon
+             height="18"
+             follows="top|right|left"
+             image_name="Conv_toolbar_open_call"
+             layout="topleft"
+             left="0"
+             name="selected_icon"
+             top="3"
+             width="18" />
+        </layout_panel>
+        <layout_panel
+         auto_resize="true"
+         user_resize="false"    
+         height="24"
+         mouse_opaque="false"
+         name="conversation_title_panel"
+         width="70">
+		    <text
+		     follows="left|top|right"
+		     font="SansSerifSmall"
+		     height="15"
+		     layout="topleft"
+		     left="5"
+		     name="conversation_title"
+		     parse_urls="false"
+		     top="6"
+		     use_ellipses="true"
+		     value="(loading)"
+		     width="35" />
+		    <output_monitor
+		     auto_update="true"
+		     follows="top|right"
+		     draw_border="false"
+		     height="16"
+		     layout="topleft"
+		     left_pad="5"
+ 		     mouse_opaque="true"
+ 		     name="speaking_indicator"
+ 		     visible="false"
+ 		     width="20" />
+        </layout_panel>
+    </layout_stack>
+</panel>
diff --git a/indra/newview/skins/default/xui/en/panel_conversation_log_list_item.xml b/indra/newview/skins/default/xui/en/panel_conversation_log_list_item.xml
new file mode 100644
index 0000000000..78d4c174d2
--- /dev/null
+++ b/indra/newview/skins/default/xui/en/panel_conversation_log_list_item.xml
@@ -0,0 +1,107 @@
+<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
+<panel
+ follows="top|right|left"
+ height="23"
+ layout="topleft"
+ left="0"
+ name="conversation_log_list_item"
+ top="0"
+ width="380">
+    <icon
+     height="24"
+     follows="top|right|left"
+     image_name="ListItem_Select"
+     layout="topleft"
+     left="0"
+     name="selected_icon"
+     top="0"
+     visible="false"
+     width="380" />
+    <icon
+     follows="top|right|left"
+     height="24"
+     image_name="ListItem_Over"
+     layout="topleft"
+     left="0"
+     name="hovered_icon"
+     top="0"
+     visible="false"
+     width="380" />
+    <icon
+     follows="top|left"
+     height="20"
+     layout="topleft"
+     left="5"
+     image_name="Conv_toolbar_open_call"
+     mouse_opaque="true"
+     name="voice_session_icon"
+     tool_tip="Included a voice conversation"
+     top="2"
+     visible="false"
+     width="20" />
+    <icon
+     follows="top|left"
+     height="20"
+     layout="topleft"
+     left="5"
+     image_name="Conv_log_inbox"
+     mouse_opaque="false"
+     name="unread_ims_icon"
+     tool_tip="Messages arrived while you were logged out"
+     top="2"
+     visible="false"
+     width="20" />
+    <avatar_icon
+     default_icon_name="Generic_Person"
+     follows="top|left"
+     height="20"
+     layout="topleft"
+     left_pad="5"
+     mouse_opaque="true"
+     top="2"
+     visible="false"
+     width="20" />
+    <group_icon
+     default_icon_name="Generic_Group"
+     follows="top|left"
+     height="20"
+     layout="topleft"
+     mouse_opaque="true"
+     top="2"
+     visible="false"
+     width="20" />
+    <text
+     follows="left|right"
+     font="SansSerifSmall"
+     height="15"
+     layout="topleft"
+     left_pad="5"
+     name="conversation_name"
+     parse_urls="false"
+     top="6"
+     use_ellipses="true"
+     width="180" />
+    <text
+     follows="right"
+     font="SansSerifSmall"
+     height="15"
+     layout="topleft"
+     left_pad="5"
+     name="date_time"
+     parse_urls="false"
+     top="6"
+     use_ellipses="true"
+     width="110"/>
+    <button
+     name="delete_btn"
+     tool_tip="Remove this entry"
+     layout="topleft"
+     follows="top|right"
+     image_unselected="Conv_toolbar_close"
+     image_selected="Conv_toolbar_close"
+     top="5"
+     left_pad="0"
+     height="14"
+     width="14"
+     tab_stop="false"/>
+</panel>
\ No newline at end of file
diff --git a/indra/newview/skins/default/xui/en/panel_group_control_panel.xml b/indra/newview/skins/default/xui/en/panel_group_control_panel.xml
deleted file mode 100644
index ad10e53a4e..0000000000
--- a/indra/newview/skins/default/xui/en/panel_group_control_panel.xml
+++ /dev/null
@@ -1,109 +0,0 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
-<panel
- border="false"
- follows="all"
- height="238"
- name="panel_im_control_panel"
- width="150">
-    <layout_stack
-     mouse_opaque="false"
-     border_size="0"
-     clip="false"
-     follows="all"
-     height="238"
-     layout="topleft"
-     left="5"
-     name="vertical_stack"
-     orientation="vertical"
-     top="0"
-     width="145">
-        <layout_panel
-         auto_resize="true"
-         follows="top|left"
-         height="100"
-         layout="topleft"
-         min_height="0"
-         mouse_opaque="false"
-         width="145"
-         top="0"
-         name="speakers_list_panel">
-            <avatar_list
-             color="DkGray2"
-             follows="all"
-             height="100"
-             ignore_online_status="true"
-             layout="topleft"
-             name="speakers_list"
-             opaque="false"
-             show_info_btn="true"
-             show_profile_btn="false"
-             show_speaking_indicator="false"
-             width="145" />
-        </layout_panel>
-        <layout_panel
-         auto_resize="false"
-         follows="top|left|right"
-         height="28"
-         layout="topleft"
-         min_height="28"
-         width="130"
-         name="group_info_btn_panel">
-            <button
-             follows="left|right|bottom"
-             height="23"
-             label="Group Profile"
-             name="group_info_btn"
-             use_ellipses="true"
-             top="5"
-             width="130" />
-        </layout_panel>
-        <layout_panel
-         auto_resize="false"
-         follows="top|left|right"
-         height="28"
-         layout="topleft"
-         min_height="28"
-         width="130"
-         name="call_btn_panel">
-            <button
-             follows="all"
-             height="23"
-             label="Call Group"
-             name="call_btn"
-             use_ellipses="true" 
-             width="130" />
-        </layout_panel>
-        <layout_panel
-         auto_resize="false"
-         follows="top|left|right"
-         height="28"
-         layout="topleft"
-         min_height="28"
-         width="130"
-         name="end_call_btn_panel"
-         visible="false">
-            <button
-             follows="all"
-             height="23"
-             label="Leave Call"
-             name="end_call_btn"
-             use_ellipses="true" />
-        </layout_panel>
-        <layout_panel
-         auto_resize="false"
-         follows="top|left|right"
-         height="28"
-         layout="topleft"
-         min_height="28"
-         width="130"
-         name="voice_ctrls_btn_panel"
-         visible="false">
-            <button
-             follows="all"
-             height="23"
-             label="Open Voice Controls"
-             name="voice_ctrls_btn"
-             use_ellipses="true" />
-        </layout_panel>
-    </layout_stack>
-</panel>
diff --git a/indra/newview/skins/default/xui/en/panel_group_list_item.xml b/indra/newview/skins/default/xui/en/panel_group_list_item.xml
index 12735026fa..cfe3aeb7c9 100644
--- a/indra/newview/skins/default/xui/en/panel_group_list_item.xml
+++ b/indra/newview/skins/default/xui/en/panel_group_list_item.xml
@@ -56,6 +56,7 @@
      left_pad="3"
      right="-31"
      name="info_btn"
+     tool_tip="More info"
      tab_stop="false"
      top_delta="-2"
      width="16" />
diff --git a/indra/newview/skins/default/xui/en/panel_im_control_panel.xml b/indra/newview/skins/default/xui/en/panel_im_control_panel.xml
deleted file mode 100644
index 8fcd6ccbaf..0000000000
--- a/indra/newview/skins/default/xui/en/panel_im_control_panel.xml
+++ /dev/null
@@ -1,166 +0,0 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
-<panel
- border="false"
- height="300"
- name="panel_im_control_panel"
- width="150">
-    <avatar_icon
-     follows="left|top"
-     height="105"
-     left_delta="20"
-     name="avatar_icon"
-     top="-5"
-     width="114"/>
-    <layout_stack
-     mouse_opaque="false"
-     border_size="0"
-     clip="false"
-     follows="all"
-     height="183"
-     layout="topleft"
-     left="5"
-     name="button_stack"
-     orientation="vertical"
-     top_pad="5"
-     width="145">
-        <layout_panel
-         auto_resize="false"
-         follows="top|left|right"
-         height="20"
-         layout="topleft"
-         left="2" 
-         min_height="20"
-         width="140"
-         name="view_profile_btn_panel"
-         top="0" >
-            <button
-             follows="left|top|right"
-             height="23"
-             label="Profile"
-             name="view_profile_btn"
-             top="0"
-             width="140" />
-        </layout_panel>
-        <layout_panel
-         auto_resize="false"
-         follows="top|left|right"
-         height="25"
-         layout="topleft"
-         min_height="25"
-         width="140"
-         name="add_friend_btn_panel">
-            <button
-             follows="left|top|right"
-             height="23"
-             label="Add Friend"
-             name="add_friend_btn"
-             top="5"
-             width="140" />
-        </layout_panel>
-        <layout_panel
-         auto_resize="false"
-         follows="top|left|right"
-         height="25"
-         layout="topleft"
-         min_height="25"
-         width="140"
-         name="teleport_btn_panel">
-        <button
-             auto_resize="false"
-             follows="left|top|right"
-             height="23"
-             label="Teleport"
-             name="teleport_btn"
-             tool_tip = "Offer to teleport this person"
-             width="140" />
-        </layout_panel>
-        <layout_panel
-         auto_resize="false"
-         follows="top|left|right"
-         height="25"
-         layout="topleft"
-         min_height="25"
-         width="140"
-         name="share_btn_panel">
-           <button
-             auto_resize="true"
-             follows="left|top|right"
-             height="23"
-             label="Share"
-             name="share_btn"
-             width="140" />
-        </layout_panel>
-        <layout_panel
-         auto_resize="false"
-         follows="top|left|right"
-         height="25"
-         layout="topleft"
-         min_height="25"
-         width="140"
-         name="pay_btn_panel">
-           <button
-             auto_resize="true"
-             follows="left|top|right"
-             height="23"
-             label="Pay"
-             name="pay_btn"
-             width="140" />
-        </layout_panel>
-        <layout_panel
-         auto_resize="false"
-         follows="top|left|right"
-         height="25"
-         layout="topleft"
-         min_height="25"
-         width="140"
-         name="call_btn_panel">
-            <button
-             follows="left|top|right"
-             height="23"
-             label="Call"
-             name="call_btn"
-             width="140" />
-        </layout_panel>
-        <layout_panel
-         auto_resize="false"
-         follows="top|left|right"
-         height="25"
-         layout="topleft"
-         min_height="25"
-         width="140"
-         name="end_call_btn_panel"
-         visible="false">
-            <button
-             follows="left|top|right"
-             height="23"
-             label="End Call"
-             name="end_call_btn"
-             width="140" />
-        </layout_panel>
-        <layout_panel
-         auto_resize="false"
-         follows="top|left|right"
-         height="25"
-         layout="topleft"
-         min_height="25"
-         width="140"
-         name="voice_ctrls_btn_panel"
-         visible="false">
-            <button
-             follows="left|top|right"
-             height="23"
-             label="Voice Controls"
-             name="voice_ctrls_btn"
-             width="140" />
-        </layout_panel>
-      <layout_panel
-       mouse_opaque="false"
-       auto_resize="true"
-       follows="top|left"
-       height="0"
-       layout="topleft"
-       min_height="0"
-       width="140"
-       name="spacer"/>
-    </layout_stack>
-</panel>
diff --git a/indra/newview/skins/default/xui/en/panel_inbox_inventory.xml b/indra/newview/skins/default/xui/en/panel_inbox_inventory.xml
index 413e22e444..433a3181cd 100644
--- a/indra/newview/skins/default/xui/en/panel_inbox_inventory.xml
+++ b/indra/newview/skins/default/xui/en/panel_inbox_inventory.xml
@@ -2,7 +2,7 @@
 <inbox_inventory_panel
     accepts_drag_and_drop="false"
     name="inventory_inbox"
-    start_folder="Received Items"
+    start_folder.type="inbox"
     follows="all" layout="topleft"
     top="0" left="0" height="165" width="308"
     top_pad="0"
diff --git a/indra/newview/skins/default/xui/en/panel_landmarks.xml b/indra/newview/skins/default/xui/en/panel_landmarks.xml
index 2a5933e3e9..67a09949ce 100644
--- a/indra/newview/skins/default/xui/en/panel_landmarks.xml
+++ b/indra/newview/skins/default/xui/en/panel_landmarks.xml
@@ -35,7 +35,9 @@
              left="0"
              mouse_opaque="true"
              name="favorites_list"
-             start_folder="Favorites"
+             scroll.hide_scrollbar="true"
+             folder_view.use_ellipses="true"
+             start_folder.name="Favorites"
              width="307"/>
         </accordion_tab>
         <accordion_tab
@@ -51,7 +53,9 @@
              left="0"
              mouse_opaque="true"
              name="landmarks_list"
-             start_folder="Landmarks"
+             scroll.hide_scrollbar="true"
+             folder_view.use_ellipses="true"
+             start_folder.name="Landmarks"
              width="307"/>
         </accordion_tab>
         <accordion_tab
@@ -67,7 +71,9 @@
              left="0"
              mouse_opaque="true"
              name="my_inventory_list"
-             start_folder="My Inventory"
+             scroll.hide_scrollbar="true"
+             folder_view.use_ellipses="true"
+             start_folder.name="My Inventory"
              width="307"/>
           </accordion_tab>
           <accordion_tab
@@ -83,7 +89,9 @@
              left="0"
              mouse_opaque="true"
              name="library_list"
-             start_folder="LIBRARY"
+             scroll.hide_scrollbar="true"
+             folder_view.use_ellipses="true"
+             start_folder.name="LIBRARY"
              width="313"/>
         </accordion_tab>
     </accordion>
diff --git a/indra/newview/skins/default/xui/en/panel_nearby_chat.xml b/indra/newview/skins/default/xui/en/panel_nearby_chat.xml
index d683116eb8..4de56b424e 100644
--- a/indra/newview/skins/default/xui/en/panel_nearby_chat.xml
+++ b/indra/newview/skins/default/xui/en/panel_nearby_chat.xml
@@ -1,20 +1,22 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes"?>
 <panel
  follows="all"
- height="300"
+ top="0"
+ bottom_delta="10"
  help_topic="nearby_chat"
  layout="topleft"
  name="nearby_chat"
- width="320">
+ width="242"
+ height="169">
   <layout_stack
    follows="all"
-   height="295"
+   height="164"
    layout="topleft"
    left="0"
    name="stack"
    top="5"
    orientation="vertical"
-   width="320">
+   width="242">
     <layout_panel
      auto_resize="false"
      height="26"
@@ -23,7 +25,7 @@
      name="translate_chat_checkbox_lp"
      top_delta="0"
      visible="true"
-     width="313">
+     width="230">
       <check_box
        top="10"
        control_name="TranslateChat"
@@ -33,15 +35,15 @@
        layout="topleft"
        left="5"
        name="translate_chat_checkbox"
-       width="300" />
+       width="230" />
     </layout_panel>
     <layout_panel
      auto_resize="true"
-     height="277"
+     height="138"
      left_delta="0"
      layout="topleft"
      name="chat_history_lp"
-     width="318">
+     width="242">
       <chat_history
        bg_readonly_color="ChatHistoryBgColor"
        bg_writeable_color="ChatHistoryBgColor"
@@ -49,7 +51,7 @@
        layout="topleft"
        left="5"
        left_widget_pad="0"
-       height="272"
+       height="138"
        name="chat_history"
        parse_highlights="true"
        parse_urls="true"
@@ -57,7 +59,7 @@
        text_color="ChatHistoryTextColor"
        text_readonly_color="ChatHistoryTextColor"
        top="0"
-       width="313" />
+       width="237" />
     </layout_panel>
   </layout_stack>
 </panel>
diff --git a/indra/newview/skins/default/xui/en/panel_nearby_chat_bar.xml b/indra/newview/skins/default/xui/en/panel_nearby_chat_bar.xml
index 6bc9c48729..19143cef89 100644
--- a/indra/newview/skins/default/xui/en/panel_nearby_chat_bar.xml
+++ b/indra/newview/skins/default/xui/en/panel_nearby_chat_bar.xml
@@ -5,7 +5,7 @@
  height="25"
  layout="topleft"
  left="0"
- name="chat_bar"
+ name="nearby_chat"
  top="21"
  width="308">
     <line_editor
diff --git a/indra/newview/skins/default/xui/en/panel_outbox_inventory.xml b/indra/newview/skins/default/xui/en/panel_outbox_inventory.xml
index a3d39e55af..c80e5b168a 100644
--- a/indra/newview/skins/default/xui/en/panel_outbox_inventory.xml
+++ b/indra/newview/skins/default/xui/en/panel_outbox_inventory.xml
@@ -1,7 +1,10 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes" ?>
-<outbox_inventory_panel
+<inventory_panel
     name="inventory_outbox"
-    start_folder="Outbox"
+    start_folder.name="Outbox"
+    show_empty_message="false"
+    show_load_status="false"
+    start_folder.type="outbox"
     follows="all" layout="topleft"
     top="0" left="0" height="165" width="308"
     top_pad="0"
@@ -12,6 +15,18 @@
     bevel_style="none"
     show_item_link_overlays="true"
     tool_tip="Drag and drop items here to prepare them for sale on your storefront"
-    >
-    <scroll reserve_scroll_corner="false" />
-</outbox_inventory_panel>
+    scroll.reserve_scroll_corner="false">
+      <folder folder_arrow_image="Folder_Arrow"
+              folder_indentation="8"
+              item_height="20"
+              item_top_pad="4"
+              selection_image="Rounded_Square"
+              left_pad="5"
+              icon_pad="2"
+              icon_width="16"
+              text_pad="1"
+              text_pad_right="4"
+              arrow_size="12"
+              max_folder_item_overlap="2"/>
+      <item allow_open="false"/>
+</inventory_panel>
diff --git a/indra/newview/skins/default/xui/en/panel_people.xml b/indra/newview/skins/default/xui/en/panel_people.xml
index 98c7c49ff4..7ce2627be9 100644
--- a/indra/newview/skins/default/xui/en/panel_people.xml
+++ b/indra/newview/skins/default/xui/en/panel_people.xml
@@ -38,12 +38,6 @@ Looking for people to hang out with? Try the [secondlife:///app/worldmap World M
      name="no_filtered_friends_msg">
          Didn't find what you're looking for? Try [secondlife:///app/search/people/[SEARCH_TERM] Search].
     </string>
-    <string
-     name="people_filter_label"
-     value="Filter People" />
-    <string
-     name="groups_filter_label"
-     value="Filter Groups" />
      <!--
      *WORKAROUND: for group_list.no_items_msg & group_list.no_filtered_items_msg attributes.
      They are not defined as translatable in VLT. See EXT-5931
@@ -60,21 +54,9 @@ Looking for people to hang out with? Try the [secondlife:///app/worldmap World M
 	<string
 	 name="AltMiniMapToolTipMsg"
 	 value="[REGION](Double-click to teleport, shift-drag to pan)"/>
-	<filter_editor
-     follows="left|top|right"
-     height="23"
-     layout="topleft"
-     left="10"
-     label="Filter"
-     max_length_chars="300"
-     name="filter_input"
-     text_color="Black"
-     text_pad_left="10"
-     top="3"
-     width="303" />
     <tab_container
+     bottom="-10"
      follows="all"
-     height="383"
      layout="topleft"
      left="3"
      name="tabs"
@@ -82,31 +64,120 @@ Looking for people to hang out with? Try the [secondlife:///app/worldmap World M
      tab_min_width="70"
      tab_height="30"
      tab_position="top"
-     top_pad="10"
+     top="0"
      halign="center"
-     width="319">
-     	<panel
+     right="-5">
+
+<!-- ================================= NEARBY tab =========================== -->
+
+        <panel
          background_opaque="true"
          background_visible="true"
          bg_alpha_color="DkGray"
          bg_opaque_color="DkGray"
+         bottom="-1"
          follows="all"
-         height="383"
          label="NEARBY"
          layout="topleft"
          left="0"
          help_topic="people_nearby_tab"
          name="nearby_panel"
-         top="0"
-         width="313">
+         right="-1"
+         top="0">
+            <panel
+             follows="left|top|right"
+             height="27"
+             label="bottom_panel"
+             layout="topleft"
+             left="0"
+             name="nearby_buttons_panel"
+             right="-1"
+             top="0">
+                <filter_editor
+                 follows="left|top|right"
+                 height="23"
+                 layout="topleft"
+                 left="6"
+                 label="Filter People"
+                 max_length_chars="300"
+                 name="nearby_filter_input"
+                 text_color="Black"
+                 text_pad_left="10"
+                 top="4"
+                 width="178" />
+                <button
+                 commit_callback.function="People.Gear"
+                 follows="right"
+                 height="25"
+                 image_hover_unselected="Toolbar_Middle_Over"
+                 image_overlay="OptionsMenu_Off"
+                 image_selected="Toolbar_Middle_Selected"
+                 image_unselected="Toolbar_Middle_Off"
+                 layout="topleft"
+                 left_pad="7"
+                 name="gear_btn"
+                 tool_tip="Actions on selected person"
+                 top="3"
+                 width="31" />
+                <menu_button
+                 follows="right"
+                 height="25"
+                 image_hover_unselected="Toolbar_Middle_Over"
+                 image_overlay="Conv_toolbar_sort"
+                 image_selected="Toolbar_Middle_Selected"
+                 image_unselected="Toolbar_Middle_Off"
+                 layout="topleft"
+                 left_pad="2"
+                 menu_filename="menu_people_nearby_view.xml"
+                 menu_position="bottomleft"
+                 name="nearby_view_btn"
+                 tool_tip="View/sort options"
+                 top_delta="0"
+                 width="31" />
+                <button
+                 follows="right"
+                 height="25"
+                 image_hover_unselected="Toolbar_Middle_Over"
+                 image_overlay="AddItem_Off"
+                 image_selected="Toolbar_Middle_Selected"
+                 image_unselected="Toolbar_Middle_Off"
+                 layout="topleft"
+                 left_pad="2"
+                 name="add_friend_btn"
+                 tool_tip="Offer friendship to a resident"
+                 top_delta="0"
+                 width="31">
+                    <commit_callback
+                     function="People.AddFriend" />
+                </button>
+                <dnd_button
+                 enabled="false"
+                 follows="right"
+                 height="25"
+                 image_hover_unselected="Toolbar_Middle_Over"
+                 image_overlay="TrashItem_Off"
+                 image_selected="Toolbar_Middle_Selected"
+                 image_unselected="Toolbar_Middle_Off"
+                 left_pad="2"
+                 layout="topleft"
+                 name="nearby_del_btn"
+                 tool_tip="Remove selected person as a friend"
+                 top_delta="0"
+                 width="31">
+                    <commit_callback
+                     function="People.DelFriend" />
+                 </dnd_button>
+            </panel>
          <layout_stack
            clip="false"
            follows="all"
-           height="355"
+           height="410"
            layout="topleft"
+           left="0"
            mouse_opaque="false"
            orientation="vertical"
-           width="313">
+           right="-1"
+           top_pad="0">
            <layout_panel
              height="142"
              layout="topleft"
@@ -123,16 +194,16 @@ Looking for people to hang out with? Try the [secondlife:///app/worldmap World M
                left="3"
                mouse_opaque="false"
                name="Net Map"
-               top="4"
-               width="305"/>
+               right="-1"
+               top="4" />
            </layout_panel>
            <layout_panel
              height="213"
              layout="topleft"
              min_dim="100"
              mouse_opaque="false"
-             user_resize="true"
-             width="313">
+             right="-1"
+             user_resize="true">
              <avatar_list
                allow_select="true"
                follows="all"
@@ -143,84 +214,122 @@ Looking for people to hang out with? Try the [secondlife:///app/worldmap World M
                keep_one_selected="false"
                multi_select="true"
                name="avatar_list"
-               top="2"
-               width="306" />
+               right="-1"
+               top="2" />
            </layout_panel>
          </layout_stack>
-         <panel
-             background_visible="true"
-             follows="left|right|bottom"
-             height="27"
-             label="bottom_panel"
-             layout="topleft"
-             left="3"
-             name="bottom_panel"
-             top_pad="0"
-             width="313">
-             <menu_button
-             follows="bottom|left"
-             height="25"
-             image_hover_unselected="Toolbar_Left_Over"
-             image_overlay="OptionsMenu_Off"
-             image_selected="Toolbar_Left_Selected"
-             image_unselected="Toolbar_Left_Off"
-             layout="topleft"
-             left="0"
-             name="nearby_view_sort_btn"
-             tool_tip="Options"
-             top="1"
-             width="31" />
-             <button
-                 follows="bottom|left"
-                 height="25"
-                 image_hover_unselected="Toolbar_Middle_Over"
-             	 image_overlay="AddItem_Off"
-                 image_selected="Toolbar_Middle_Selected"
-             	 image_unselected="Toolbar_Middle_Off"
-                 layout="topleft"
-                 left_pad="1"
-                 name="add_friend_btn"
-                 tool_tip="Add selected Resident to your friends List"
-                 width="31">
-               <commit_callback
-                  function="People.addFriend" />
-             </button>
-             <icon
-             follows="bottom|left|right"
-             height="25"
-             image_name="Toolbar_Right_Off"
-             layout="topleft"
-             left_pad="1"
-             name="dummy_icon"
-             width="243"
-             />
-            </panel>
         </panel>
+
+<!-- ================================= FRIENDS tab ========================== -->
+
         <panel
          background_opaque="true"
        background_visible="true"
          bg_alpha_color="DkGray"
          bg_opaque_color="DkGray"
+         bottom="-1"
          follows="all"
-         height="383"
-         label="MY FRIENDS"
+         label="FRIENDS"
          layout="topleft"
          left="0"
          help_topic="people_friends_tab"
          name="friends_panel"
-         top="0"
-         width="313">
+         right="-1"
+         top="0">
+            <panel
+             follows="left|top|right"
+             height="27"
+             label="bottom_panel"
+             layout="topleft"
+             left="0"
+             name="friends_buttons_panel"
+             right="-1"
+             top="0">
+                <filter_editor
+                 follows="left|top|right"
+                 height="23"
+                 layout="topleft"
+                 left="6"
+                 label="Filter People"
+                 max_length_chars="300"
+                 name="friends_filter_input"
+                 text_color="Black"
+                 text_pad_left="10"
+                 top="4"
+                 width="177" />
+                <button
+                 commit_callback.function="People.Gear"
+                 follows="right"
+                 height="25"
+                 image_hover_unselected="Toolbar_Middle_Over"
+                 image_overlay="OptionsMenu_Off"
+                 image_selected="Toolbar_Middle_Selected"
+                 image_unselected="Toolbar_Middle_Off"
+                 layout="topleft"
+                 left_pad="8"
+                 name="gear_btn"
+                 tool_tip="Actions on selected person"
+                 top="3"
+                 width="31" />
+                <menu_button
+                 follows="right"
+                 height="25"
+                 image_hover_unselected="Toolbar_Middle_Over"
+                 image_overlay="Conv_toolbar_sort"
+                 image_selected="Toolbar_Middle_Selected"
+                 image_unselected="Toolbar_Middle_Off"
+                 layout="topleft"
+                 left_pad="2"
+                 menu_filename="menu_people_friends_view.xml"
+                 menu_position="bottomleft"
+                 name="friends_view_btn"
+                 tool_tip="View/sort options"
+                 top_delta="0"
+                 width="31" />
+                <button
+                 follows="right"
+                 height="25"
+                 image_hover_unselected="Toolbar_Middle_Over"
+                 image_overlay="AddItem_Off"
+                 image_selected="Toolbar_Middle_Selected"
+                 image_unselected="Toolbar_Middle_Off"
+                 layout="topleft"
+                 left_pad="2"
+                 name="friends_add_btn"
+                 tool_tip="Offer friendship to a resident"
+                 top_delta="0"
+                 width="31">
+                    <commit_callback
+                     function="People.AddFriendWizard" />
+                </button>
+                <dnd_button
+                 follows="right"
+                 height="25"
+                 image_hover_unselected="Toolbar_Middle_Over"
+                 image_overlay="TrashItem_Off"
+                 image_selected="Toolbar_Middle_Selected"
+                 image_unselected="Toolbar_Middle_Off"
+                 left_pad="2"
+                 layout="topleft"
+                 name="friends_del_btn"
+                 tool_tip="Remove selected person as a friend"
+                 top_delta="0"
+                 width="31">
+                    <commit_callback
+                     function="People.DelFriend" />
+                </dnd_button>
+            </panel>
             <accordion
        		 background_visible="true"
        		 bg_alpha_color="DkGray2"
        		 bg_opaque_color="DkGray2"
              follows="all"
-             height="356"
+             height="408"
              layout="topleft"
              left="3"
              name="friends_accordion"
-             top="0"
-             width="307">
+             right="-2"
+             top_pad="2">
                 <accordion_tab
                  layout="topleft"
                  height="172"
@@ -257,247 +366,133 @@ Looking for people to hang out with? Try the [secondlife:///app/worldmap World M
                          width="307" />
                 </accordion_tab>
             </accordion>
-            <panel
-             background_visible="true"
-             follows="left|right|bottom"
-             height="27"
-             label="bottom_panel"
-             layout="topleft"
-             left="3"
-             name="bottom_panel"
-             top_pad="0"
-             width="313">
-             
-             	  <layout_stack
-				   animate="false"
-				   border_size="0"
-				   follows="left|right|bottom"
-				   height="25"
-				   layout="topleft"
-				   orientation="horizontal"
-				   top_pad="1"
-				   left="0"
-				   name="bottom_panel"
-				   width="308">
-				      <layout_panel
-				       auto_resize="false"
-				       height="25"
-				       layout="topleft"
-				       name="options_gear_btn_panel"
-				       width="32">
-				          <menu_button
-				           follows="bottom|left"
-				           tool_tip="Show additional options"
-				           height="25"
-				           image_hover_unselected="Toolbar_Left_Over"
-				           image_overlay="OptionsMenu_Off"
-				           image_selected="Toolbar_Left_Selected"
-				           image_unselected="Toolbar_Left_Off"
-				           layout="topleft"
-				           left="0"
-				           name="friends_viewsort_btn"
-				           top="0"
-				           width="31" />
-				      </layout_panel>
-				      <layout_panel
-				       auto_resize="false"
-				       height="25"
-				       layout="topleft"
-				       name="add_btn_panel"
-				       width="32">
-				          <button
-				           follows="bottom|left"
-				           height="25"
-				           image_hover_unselected="Toolbar_Middle_Over"
-				           image_overlay="AddItem_Off"
-				           image_selected="Toolbar_Middle_Selected"
-				           image_unselected="Toolbar_Middle_Off"
-				           layout="topleft"
-				           left="0"
-				           name="add_btn"
-				           tool_tip="Offer friendship to a Resident"
-				           top="0"
-				           width="31" />
-				      </layout_panel>
-				      <layout_panel
-				       auto_resize="true"
-				       height="25"
-				       layout="topleft"
-				       name="dummy_panel"
-				       width="210">
-				          <icon
-				           follows="bottom|left|right"
-				           height="25"
-				           image_name="Toolbar_Middle_Off"
-				           layout="topleft"
-				           left="0"
-				           top="0"
-				           name="dummy_icon"
-				           width="210" />
-				      </layout_panel>
-				      <layout_panel
-				       auto_resize="false"
-				       height="25"
-				       layout="topleft"
-				       name="trash_btn_panel"
-				       width="31">
-				          <dnd_button
-				           follows="bottom|left"
-				           height="25"
-				           image_hover_unselected="Toolbar_Right_Over"
-				           image_overlay="TrashItem_Off"
-				           image_selected="Toolbar_Right_Selected"
-				           image_unselected="Toolbar_Right_Off"
-				           left="0"
-				           layout="topleft"
-				           name="del_btn"
-				           tool_tip="Remove selected person from your Friends list"
-				           top="0"
-				           width="31"/>
-				      </layout_panel>
-				  </layout_stack><!--
-             
-               <button
-               follows="bottom|left"
-               tool_tip="Options"
-               height="25"
-               image_hover_unselected="Toolbar_Left_Over"
-               image_overlay="OptionsMenu_Off"
-               image_selected="Toolbar_Left_Selected"
-               image_unselected="Toolbar_Left_Off"
-               layout="topleft"
-               left="0"
-               name="friends_viewsort_btn"
-               top="1"
-               width="31" />
-                <button
-                 follows="bottom|left"
-                 height="25"
-                 image_hover_unselected="Toolbar_Middle_Over"
-             	 image_overlay="AddItem_Off"
-             	 image_selected="Toolbar_Middle_Selected"
-             	 image_unselected="Toolbar_Middle_Off"
-                 layout="topleft"
-                 left_pad="1"
-                 name="add_btn"
-                 tool_tip="Offer friendship to a Resident"
-                 width="31" />
-                <icon
-             	 follows="bottom|left|right"
-             	 height="25"
-             	 image_name="Toolbar_Middle_Off"
-             	 layout="topleft"
-             	 left_pad="1"
-             	 name="dummy_icon"
-             	 width="209"
-             />
-                <button
-                 follows="bottom|left"
-                 height="25"
-                 image_hover_unselected="Toolbar_Right_Over"
-                 image_overlay="TrashItem_Off"
-                 image_selected="Toolbar_Right_Selected"
-                 image_unselected="Toolbar_Right_Off"
-                 layout="topleft"
-                 left_pad="1"
-                 name="del_btn"
-                 tool_tip="Remove selected person from your Friends list"
-                 width="31" />
-            --></panel>
             <text
              follows="all"
              height="450"
              left="13"
              name="no_friends_help_text"
-             top="10"
-             width="293"
+             right="-13"
+             top="37"
              wrap="true" />
         </panel>
+
+<!-- ================================= GROUPS tab =========================== -->
+
         <panel
          background_opaque="true"
        background_visible="true"
          bg_alpha_color="DkGray"
          bg_opaque_color="DkGray"
+         bottom="-1"
          follows="all"
-         height="383"
-         label="MY GROUPS"
+         label="GROUPS"
          layout="topleft"
          left="0"
          help_topic="people_groups_tab"
          name="groups_panel"
-         top="0"
-         width="313">
+         right="-1"
+         top="0">
     <!--
      *NOTE: no_groups_msg & group_list attributes are not defined as translatable in VLT. See EXT-5931
      Values are set from appropriate strings at the top of file via LLPeoplePanel::postBuild()
     -->
-            <group_list
-             allow_select="true" 
-             follows="all"
-             height="356"
-             layout="topleft"
-             left="3"
-             name="group_list"
-             top="0"
-             width="307" />
             <panel
-             background_visible="true"
-             follows="left|right|bottom"
+             follows="left|top|right"
              height="27"
              label="bottom_panel"
              layout="topleft"
              left="0"
-             name="bottom_panel"
-             top_pad="0"
-             width="313">
-               <menu_button
-               follows="bottom|left"
-               tool_tip="Options"
-               height="25"
-               image_hover_unselected="Toolbar_Left_Over"
-               image_overlay="OptionsMenu_Off"
-               image_selected="Toolbar_Left_Selected"
-               image_unselected="Toolbar_Left_Off"
-               layout="topleft"
-               left="3"
-               name="groups_viewsort_btn"
-               top="1"
-               width="31" />
-                <button
-                 follows="bottom|left"
+             name="groups_buttons_panel"
+             right="-1"
+             top="0">
+                <filter_editor
+                 follows="left|top|right"
+                 height="23"
+                 layout="topleft"
+                 left="6"
+                 label="Filter Groups"
+                 max_length_chars="300"
+                 name="groups_filter_input"
+                 text_color="Black"
+                 text_pad_left="10"
+                 top="4"
+                 width="177" />
+                <menu_button
+                 follows="right"
+                 height="25"
+                 image_hover_unselected="Toolbar_Middle_Over"
+                 image_overlay="OptionsMenu_Off"
+                 image_selected="Toolbar_Middle_Selected"
+                 image_unselected="Toolbar_Middle_Off"
+                 layout="topleft"
+                 left_pad="8"
+                 name="groups_gear_btn"
+                 tool_tip="Actions on selected group"
+                 top="3"
+                 width="31" />
+                <menu_button
+                 follows="right"
+                 height="25"
+                 image_hover_unselected="Toolbar_Middle_Over"
+                 image_overlay="Conv_toolbar_sort"
+                 image_selected="Toolbar_Middle_Selected"
+                 image_unselected="Toolbar_Middle_Off"
+                 layout="topleft"
+                 left_pad="2"
+                 menu_filename="menu_people_groups_view.xml"
+                 menu_position="bottomleft"
+                 name="groups_view_btn"
+                 tool_tip="View/sort options"
+                 top_delta="0"
+                 width="31" />
+                <menu_button
+                 follows="right"
                  height="25"
                  image_hover_unselected="Toolbar_Middle_Over"
                  image_overlay="AddItem_Off"
                  image_selected="Toolbar_Middle_Selected"
                  image_unselected="Toolbar_Middle_Off"
                  layout="topleft"
-                 left_pad="1"
+                 left_pad="2"
+                 menu_filename="menu_group_plus.xml"
+                 menu_position="bottomleft"
                  name="plus_btn"
                  tool_tip="Join group/Create new group"
-                 width="31" />
-                <button
-                 follows="bottom|left"
+                 top_delta="0"
+                 width="31">
+                    <validate_callback
+                     function="People.Group.Plus.Validate" />
+                </menu_button>
+                <dnd_button
+                 follows="right"
                  height="25"
                  image_hover_unselected="Toolbar_Middle_Over"
-                 image_overlay="Activate_Checkmark"
+                 image_overlay="TrashItem_Off"
                  image_selected="Toolbar_Middle_Selected"
                  image_unselected="Toolbar_Middle_Off"
+                 left_pad="2"
                  layout="topleft"
-                 left_pad="1"
-                 name="activate_btn"
-                 tool_tip="Activate selected group"
-                 width="31" />
-                 <icon
-             	 follows="bottom|left|right"
-             	 height="25"
-             	 image_name="Toolbar_Right_Off"
-             	 layout="topleft"
-             	 left_pad="1"
-             	 name="dummy_icon"
-             	 width="212"
-             />
+                 name="minus_btn"
+                 tool_tip="Leave selected group"
+                 top_delta="0"
+                 width="31">
+                    <commit_callback
+                     function="People.Group.Minus" />
+                </dnd_button>
             </panel>
+            <group_list
+             allow_select="true" 
+             follows="all"
+             height="406"
+             layout="topleft"
+             left="3"
+             name="group_list"
+             right="-2"
+             top_pad="4" />
         </panel>
+
+<!-- ================================= RECENT tab =========================== -->
+
         <panel
          background_opaque="true"
        background_visible="true"
@@ -510,265 +505,133 @@ Looking for people to hang out with? Try the [secondlife:///app/worldmap World M
          left="0"
          help_topic="people_recent_tab"
          name="recent_panel"
-         top="0"
-         width="313">
-            <avatar_list
-             allow_select="true"
-             follows="all"
-             height="356"
-             layout="topleft"
-             left="3"
-             multi_select="true"
-             name="avatar_list"
-             show_last_interaction_time="true"
-             top="0"
-             width="307" />
+         right="-1"
+         top="0">
             <panel
-             background_visible="true"
-             follows="left|right|bottom"
+             follows="left|top|right"
              height="27"
              label="bottom_panel"
              layout="topleft"
-             left="3"
-             name="bottom_panel"
-             top_pad="0"
-             width="313">
-               <menu_button
-               follows="bottom|left"
-               tool_tip="Options"
-               height="25"
-               image_hover_unselected="Toolbar_Left_Over"
-               image_overlay="OptionsMenu_Off"
-               image_selected="Toolbar_Left_Selected"
-               image_unselected="Toolbar_Left_Off"
-               layout="topleft"
-               name="recent_viewsort_btn"
-               top="1"
-               width="31" />
-              <button
-                 follows="bottom|left"
+             left="0"
+             name="recent_buttons_panel"
+             right="-1"
+             top="0">
+                <filter_editor
+                 follows="left|top|right"
+                 height="23"
+                 layout="topleft"
+                 left="6"
+                 label="Filter People"
+                 max_length_chars="300"
+                 name="recent_filter_input"
+                 text_color="Black"
+                 text_pad_left="10"
+                 top="4"
+                 width="177" />
+                <button
+                 commit_callback.function="People.Gear"
+                 follows="right"
+                 height="25"
+                 image_hover_unselected="Toolbar_Middle_Over"
+                 image_overlay="OptionsMenu_Off"
+                 image_selected="Toolbar_Middle_Selected"
+                 image_unselected="Toolbar_Middle_Off"
+                 layout="topleft"
+                 left_pad="8"
+                 name="gear_btn"
+                 tool_tip="Actions on selected person"
+                 top="3"
+                 width="31" />
+                <menu_button
+                 follows="right"
+                 height="25"
+                 image_hover_unselected="Toolbar_Middle_Over"
+                 image_overlay="Conv_toolbar_sort"
+                 image_selected="Toolbar_Middle_Selected"
+                 image_unselected="Toolbar_Middle_Off"
+                 layout="topleft"
+                 left_pad="2"
+                 menu_filename="menu_people_recent_view.xml"
+                 menu_position="bottomleft"
+                 name="recent_view_btn"
+                 tool_tip="View/sort options"
+                 top_delta="0"
+                 width="31" />
+                <button
+                 follows="right"
                  height="25"
                  image_hover_unselected="Toolbar_Middle_Over"
                  image_overlay="AddItem_Off"
                  image_selected="Toolbar_Middle_Selected"
                  image_unselected="Toolbar_Middle_Off"
                  layout="topleft"
-                 left_pad="1"
+                 left_pad="2"
                  name="add_friend_btn"
-                 tool_tip="Add selected Resident to your friends List"
+                 tool_tip="Offer friendship to a resident"
+                 top_delta="0"
                  width="31">
-                <commit_callback
-                   function="People.addFriend" />
-              </button>
-              <icon
-             	 follows="bottom|left|right"
-             	 height="25"
-             	 image_name="Toolbar_Right_Off"
-             	 layout="topleft"
-             	 left_pad="1"
-             	 name="dummy_icon"
-             	 width="244"
-             />
+                    <commit_callback
+                     function="People.AddFriend" />
+                </button>
+                <dnd_button
+                 enabled="false"
+                 follows="right"
+                 height="25"
+                 image_hover_unselected="Toolbar_Middle_Over"
+                 image_overlay="TrashItem_Off"
+                 image_selected="Toolbar_Middle_Selected"
+                 image_unselected="Toolbar_Middle_Off"
+                 left_pad="2"
+                 layout="topleft"
+                 name="recent_del_btn"
+                 tool_tip="Remove selected person as a friend"
+                 top_delta="0"
+                 width="31">
+                    <commit_callback
+                     function="People.DelFriend" />
+                 </dnd_button>
             </panel>
+            <avatar_list
+             allow_select="true"
+             follows="all"
+             height="351"
+             layout="topleft"
+             left="3"
+             multi_select="true"
+             name="avatar_list"
+             show_last_interaction_time="true"
+             right="-2"
+             top_pad="4" />
         </panel>
-    </tab_container>
-    <panel
-     follows="bottom|left|right"
-     height="23"
-     layout="topleft"
-     left="8"
-     top_pad="4"
-     name="button_bar"
-     width="313">
 
-<!--********************************Profile; IM; Call, Share, Teleport********************************--> 	
-     	<layout_stack
-     	follows="bottom|left|right"
-		height="23"
-		layout="topleft"
-		name="bottom_bar_ls"
-		left="0"
-		orientation="horizontal"
-		top_pad="0"
-		width="313">
+<!-- ================================= BLOCKED tab ========================== -->
 
-			<layout_panel
-			follows="bottom|left|right"
-			height="23"
-			layout="bottomleft"
-			left="0"
-			name="view_profile_btn_lp"
-		    auto_resize="true"
-			width="68">
-				<button
-		         follows="bottom|left|right"
-		         height="23"
-		         label="Profile"
-		         layout="topleft"
-		         left="1"
-		         name="view_profile_btn"
-		         tool_tip="Show picture, groups, and other Residents information"
-		         top="0"
-		         width="67" />	
-			</layout_panel>
-			
-			<layout_panel
-			follows="bottom|left|right"
-			height="23"
-			layout="bottomleft"
-			left_pad="3"
-			name="im_btn_lp"
-		    auto_resize="true"
-			width="41">
-				<button
-		         follows="bottom|left|right"
-		         left="1"
-		         height="23"
-		         label="IM"
-		         layout="topleft"
-		         name="im_btn"
-		         tool_tip="Open instant message session"
-		         top="0"
-		         width="40" />			
-			</layout_panel>
-			
-			<layout_panel
-			follows="bottom|left|right"
-			height="23"
-			layout="bottomleft"
-			left_pad="3"
-			name="call_btn_lp"
-		    auto_resize="true"
-			width="52">
-				<button
-		         follows="bottom|left|right"
-		         left="1"
-		         height="23"
-		         label="Call"
-		         layout="topleft"
-		         name="call_btn"
-		         tool_tip="Call this Resident"
-		         top="0"
-		         width="51" />		
-			</layout_panel>
-			
-			<layout_panel
-			follows="bottom|left|right"
-			height="23"
-			layout="bottomleft"
-			left_pad="3"
-			name="share_btn_lp"
-		    auto_resize="true"
-			width="66">
-				<button
-		         follows="bottom|left|right"
-		         left="1"
-		         height="23"
-		         label="Share"
-		         layout="topleft"
-		         name="share_btn"
-		         tool_tip="Share an inventory item"
-		         top="0"
-		         width="65" />	
-			</layout_panel>
-			
-			<layout_panel
-			follows="bottom|left|right"
-			height="23"
-			layout="bottomleft"
-			left_pad="3"
-			name="teleport_btn_lp"
-		    auto_resize="true"
-			width="77">
-				<button
-		         follows="bottom|left|right"
-		         left="1"
-		         height="23"
-		         label="Teleport"
-		         layout="topleft"
-		         name="teleport_btn"
-		         tool_tip="Offer teleport"
-		         top="0"
-		         width="76" />		
-			</layout_panel>
-		</layout_stack>
-		
-<!--********************************Group Profile; Group Chat; Group Call buttons************************-->			
-		<layout_stack
-     	follows="bottom|left|right"
-		height="23"
-		layout="topleft"
-		mouse_opaque="false"
-		name="bottom_bar_ls1"
-		left="0"
-		orientation="horizontal"
-		top="0"
-		width="313">	
-			<layout_panel
-			follows="bottom|left|right"
-			height="23"
-			layout="bottomleft"
-			left="0"			
-			mouse_opaque="false"
-			name="group_info_btn_lp"
-		    auto_resize="true"
-			width="108">
-				<button
-		        follows="bottom|left|right"
-		        left="1"
-		        height="23"
-		        label="Group Profile"
-		        layout="topleft"
-				mouse_opaque="false"
-		        name="group_info_btn"
-		        tool_tip="Show group information"
-		        top="0"
-		        width="107" />		
-			</layout_panel>
-			
-			<layout_panel
-			follows="bottom|left|right"
-			height="23"
-			layout="bottomleft"
-			left_pad="3"
-			mouse_opaque="false"
-			name="chat_btn_lp"
-		    auto_resize="true"
-			width="101">
-				<button
-		        follows="bottom|left|right"
-		        left="1"
-		        height="23"
-		        label="Group Chat"
-		        layout="topleft"
-				mouse_opaque="false"
-		        name="chat_btn"
-		        tool_tip="Open chat session"
-		        top="0"
-		        width="100" />			
-			</layout_panel>
-		
-			<layout_panel
-			follows="bottom|left|right"
-			height="23"
-			layout="bottomleft"
-			left_pad="3"
-			mouse_opaque="false"
-			name="group_call_btn_lp"
-		    auto_resize="true"
-			width="96">
-				<button
-				follows="bottom|left|right"
-				left="1"
-				height="23"
-         		label="Group Call"
-         		layout="topleft"
-				mouse_opaque="false"
-         		name="group_call_btn"
-         		tool_tip="Call this group"
-		        top="0"
-         		width="95" />			
-			</layout_panel>		
-		</layout_stack>
-    </panel>
+        <panel
+         background_opaque="true"
+         background_visible="true"
+         bg_alpha_color="DkGray"
+         bg_opaque_color="DkGray"
+         follows="all"
+         height="383"
+         label="BLOCKED"
+         layout="topleft"
+         left="0"
+         help_topic="people_blocked_tab"
+         name="blocked_panel"
+         right="-1"
+         top="0">
+          <panel
+           class="panel_block_list_sidetray"
+           height="383"
+           name="panel_block_list_sidetray"
+           filename="panel_block_list_sidetray.xml"
+           follows="all"
+           label="Blocked Residents &amp; Objects"
+           layout="topleft"
+           left="0"
+           font="SansSerifBold"
+           top="0"
+           right="-1" />
+        </panel>
+    </tab_container>
 </panel>
diff --git a/indra/newview/skins/default/xui/en/panel_preferences_chat.xml b/indra/newview/skins/default/xui/en/panel_preferences_chat.xml
index 27193a984f..37bfbae991 100644
--- a/indra/newview/skins/default/xui/en/panel_preferences_chat.xml
+++ b/indra/newview/skins/default/xui/en/panel_preferences_chat.xml
@@ -1,242 +1,399 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes" ?>
 <panel
- border="true"
- follows="left|top|right|bottom"
- height="408"
- label="Text Chat"
- layout="topleft"
- left="102"
- name="chat"
- top="1"
- width="517">
-  <text
-   follows="left|top"
-   layout="topleft"
-   left="30"
-   height="12"
-   name="font_size"
-   width="120"
-   top="10">
-    Font size:
-  </text>
-  <radio_group
-     height="30"
-     layout="topleft"
-     left="40"
-	 control_name="ChatFontSize"
-     name="chat_font_size"
-     top_pad="0"
-     width="440">
-        <radio_item
-         height="16"
-         label="Small"
-         layout="topleft"
-         left="0"
-         name="radio"
-         value="0"
-         top="10"
-         width="125" />
-        <radio_item
-         height="16"
-         label="Medium"
-         layout="topleft"
-         left_delta="145"
-         name="radio2"
-         value="1"
-         top_delta="0"
-         width="125" />
-        <radio_item
-         height="16"
-         label="Large"
-         layout="topleft"
-         left_delta="170"
-         name="radio3"
-         value="2"
-         top_delta="0"
-         width="125" />
-    </radio_group>
-    
+    border="true"
+    follows="left|top|right|bottom"
+    height="408"
+    label="Text Chat"
+    layout="topleft"
+    left="102"
+    name="chat"
+    top="1"
+    width="517">
+
+  <panel
+      border="false"
+      follows="left|top"
+      height="90"
+      layout="topleft"
+      top="10"
+      left="13"
+      width="517">
+
     <check_box
-     control_name="PlayTypingAnim"
-     height="16"
-     initial_value="true"
-     label="Play typing animation when chatting"
-     layout="topleft"
-     left="30"
-     name="play_typing_animation"
-     top_pad="10"
-     width="400" />
+        control_name="PlayTypingAnim"
+        height="16"
+        initial_value="true"
+        label="Play typing animation when chatting"
+        layout="topleft"
+        top="0"
+        name="play_typing_animation"
+        width="330" />
     <check_box
-     enabled="false"
-     height="16"
-     label="Email me IMs when I'm offline"
-     layout="topleft"
-     left_delta="0"
-     name="send_im_to_email"
-     top_pad="5"
-     width="400" />
+        enabled="false"
+        height="16"
+        label="Email me IMs when I'm offline"
+        layout="topleft"
+        name="send_im_to_email"
+        top_pad="6"
+        width="330" />
     <check_box
-     enabled="false"
-     height="16"
-     label="Enable plain text IM and chat history"
-     layout="topleft"
-     left_delta="0"
-     name="plain_text_chat_history"
-     top_pad="5"
-     width="400" />
+        control_name="KeepConversationLogTranscripts"
+        height="16"
+        label="Keep a conversation log and transcripts"
+        layout="topleft"
+        name="keep_convo_log_and_transcripts"
+        top_pad="6"
+        width="330" />
     <check_box
-     control_name="UseChatBubbles"
-     follows="left|top"
-     height="16"
-     label="Bubble Chat"
-     layout="topleft"
-     left_delta="0"
-     top_pad="5"
-     name="bubble_text_chat"
-     width="150" />     
+        control_name="UseChatBubbles"
+        follows="left|top"
+        height="16"
+        label="Bubble Chat"
+        layout="topleft"
+        top_pad="6"
+        name="bubble_text_chat"
+        width="330" />
     <text
-     name="show_ims_in_label"
-     follows="left|top"
-     layout="topleft"
-     left="30"
-     height="20"
-     width="170"
-     top_pad="15">
-     Show IMs in:
+        follows="left|top"
+        layout="topleft"
+        left="345"
+        height="12"
+        name="font_size"
+        width="120"
+        top="0">
+      Font size:
     </text>
-    <text
-     name="requires_restart_label"
-     follows="left|top"
-     layout="topleft"
-     top_delta="0" 
-     left="170" 
-  	 height="20"
-	 width="130"
-     text_color="White_25">
-      (requires restart)
-      </text>
     <radio_group
-     follows="left|top"
-     height="30"
-     left="40"
-     control_name="ChatWindow"
-     name="chat_window"
-     top_pad="0"
-     tool_tip="Show your Instant Messages in separate floaters, or in one floater with many tabs (Requires restart)"
-     width="150">
-     <radio_item
-      height="16"
-      label="Separate Windows"
+        height="90"
+        layout="topleft"
+        left="352"
+        control_name="ChatFontSize"
+        name="chat_font_size"
+        top_pad="0"
+        width="50">
+      <radio_item
+          height="16"
+          label="Small"
+          layout="topleft"
+          name="radio"
+          value="0"
+          top="10"
+          width="125" />
+      <radio_item
+          height="16"
+          label="Medium"
+          layout="topleft"
+          name="radio2"
+          value="1"
+          top_pad="6"
+          width="125" />
+      <radio_item
+          height="16"
+          label="Large"
+          layout="topleft"
+          name="radio3"
+          value="2"
+          top_pad="6"
+          width="125" />
+    </radio_group>    
+    
+  </panel>  
+
+  <panel
+      border="false"
+      follows="left|top"
+      height="198"
       layout="topleft"
-      left="0"
-      name="radio"
-      value="0"
-      top="0"
-      width="150" />
-     <radio_item
-      height="16"
-      label="Tabs"
+      left="13"
+      width="517">
+
+    <text
+        follows="left|top"
+        layout="topleft"
+        height="12"
+        name="notifications"
+        left="0"
+        width="120">
+      Notifications:
+    </text>
+    <text
+        follows="left|top"
+        layout="topleft"
+        height="12"
+        name="friend_ims"
+        width="145"
+        left="0"
+        top_pad="15">
+      Friend IMs:
+    </text>
+    <combo_box
+        control_name="NotificationFriendIMOptions"
+        height="23"
+        layout="topleft"
+        left_pad="5"
+        top_delta="-6"
+        name="FriendIMOptions"
+        width="223">
+      <combo_box.item
+          label="Open Conversations window"
+          name="OpenConversationsWindow"
+          value="openconversations"/>      
+      <combo_box.item
+          label="Pop up the message"
+          name="PopUpMessage"
+          value="toast"/>
+      <combo_box.item
+          label="Flash toolbar button"
+          name="FlashToolbarButton"
+          value="flash"/>
+      <combo_box.item
+          label="None"
+          name="None"
+          value="none"/>
+    </combo_box>
+    <text
+        follows="left|top"
+        layout="topleft"
+        height="12"
+        name="non_friend_ims"
+        width="145"
+        left="0"
+        top_pad="15">
+      Non-friend IMs:
+    </text>
+    <combo_box
+        control_name="NotificationNonFriendIMOptions"
+        height="23"
+        layout="topleft"
+        left_pad="5"
+        top_delta="-6"
+        name="NonFriendIMOptions"
+        width="223">
+      <combo_box.item
+          label="Open Conversations window"
+          name="OpenConversationsWindow"
+          value="openconversations"/>
+      <combo_box.item
+          label="Pop up the message"
+          name="PopUpMessage"
+          value="toast"/>
+      <combo_box.item
+          label="Flash toolbar button"
+          name="FlashToolbarButton"
+          value="flash"/>
+      <combo_box.item
+          label="None"
+          name="None"
+          value="none"/>
+    </combo_box>
+    <text
+        follows="left|top"
+        layout="topleft"
+        left="0"
+        height="13"
+        name="conference_ims"
+        width="145"
+        top_pad="14">
+      Conference IMs:
+    </text>
+    <combo_box
+        control_name="NotificationConferenceIMOptions"
+        height="23"
+        layout="topleft"
+        left_pad="5"
+        top_delta="-6"
+        name="ConferenceIMOptions"
+        width="223">
+      <combo_box.item
+          label="Open Conversations window"
+          name="OpenConversationsWindow"
+          value="openconversations"/>
+      <combo_box.item
+          label="Pop up the message"
+          name="PopUpMessage"
+          value="toast"/>
+      <combo_box.item
+          label="Flash toolbar button"
+          name="FlashToolbarButton"
+          value="flash"/>
+      <combo_box.item
+          label="None"
+          name="None"
+          value="none"/>
+    </combo_box>
+    <text
+        follows="left|top"
+        layout="topleft"
+        left="0"
+        height="13"
+        name="group_chat"
+        width="145"
+        top_pad="14">
+      Group chat:
+    </text>
+    <combo_box
+        control_name="NotificationGroupChatOptions"
+        height="23"
+        layout="topleft"
+        left_pad="5"
+        top_delta="-6"
+        name="GroupChatOptions"
+        width="223">
+      <combo_box.item
+          label="Open Conversations window"
+          name="OpenConversationsWindow"
+          value="openconversations"/>
+      <combo_box.item
+          label="Pop up the message"
+          name="PopUpMessage"
+          value="toast"/>
+      <combo_box.item
+          label="Flash toolbar button"
+          name="FlashToolbarButton"
+          value="flash"/>
+      <combo_box.item
+          label="None"
+          name="None"
+          value="none"/>
+    </combo_box>
+    <text
+        follows="left|top"
+        layout="topleft"
+        left="0"
+        height="12"
+        name="nearby_chat"
+        width="145"
+        top_pad="14">
+      Nearby chat:
+    </text>
+    <combo_box
+        control_name="NotificationNearbyChatOptions"
+        height="23"
+        layout="topleft"
+        left_pad="5"
+        top_delta="-6"
+        name="NearbyChatOptions"
+        width="223">
+      <combo_box.item
+          label="Open Conversations window"
+          name="OpenConversationsWindow"
+          value="openconversations"/>
+      <combo_box.item
+          label="Pop up the message"
+          name="PopUpMessage"
+          value="toast"/>
+      <combo_box.item
+          label="Flash toolbar button"
+          name="FlashToolBarButton"
+          value="flash"/>
+      <combo_box.item
+          label="None"
+          name="None"
+          value="none"/>
+    </combo_box>
+    <text
+        follows="left|top"
+        layout="topleft"
+        left="0"
+        height="13"
+        name="notifications_alert"
+        width="500"
+        top_pad="11"
+        visible="true"
+        text_color="DrYellow">
+      To temporarily stop all notifications, use Communicate &gt; Do Not Disturb.
+    </text>
+
+  </panel>
+
+  <panel
+      border="false"
+      follows="left|top"
+      height="67"
       layout="topleft"
-      left_delta="0"
-      name="radio2"
-      value="1"
-      top_pad="5"
-      width="150" />
-    </radio_group>
+      left="13"
+      width="517">
+
     <text
-     name="disable_toast_label"
-     follows="left|top"
-     layout="topleft"
-     top_pad="20" 
-     left="30" 
-     height="10"
-     width="400">
-      Enable incoming chat popups:
-      </text>
+        follows="left|top"
+        layout="topleft"
+        left="0"
+        name="play_sound"
+        width="100"
+        top_pad="8"
+        visible="true">
+      Play sound:
+    </text>
+    <check_box
+        control_name="PlaySoundNewConversation"
+        height="16"
+        label="New conversation"
+        layout="topleft"
+        left_pad="15"
+        top_pad="-10"
+        name="new_conversation"
+        width="150" />
+    <check_box
+        control_name="PlaySoundIncomingVoiceCall"
+        height="16"
+        label="Incoming voice call"
+        layout="topleft"
+        top_pad="6"
+        name="incoming_voice_call"
+        width="150" />
     <check_box
-     control_name="EnableGroupChatPopups"
-     name="EnableGroupChatPopups"
-     label="Group Chats" 
-     layout="topleft"
-     top_pad="5" 
-     left_delta="10" 
-     height="20"
-     tool_tip="Check to see popups when a Group Chat message arrives"
-     width="400" />
+        control_name="PlaySoundTeleportOffer"
+        height="16"
+        label="Teleport offer"
+        layout="topleft"
+        left_pad="35"
+        top_pad="-38"
+        name="teleport_offer"
+        width="150" />
     <check_box
-     control_name="EnableIMChatPopups"
-     name="EnableIMChatPopups"
-     label="IM Chats" 
-     layout="topleft"
-     top_pad="5"
-     height="16"
-     tool_tip="Check to see popups when an instant message arrives"
-     width="400" />
-    <spinner
-     control_name="NearbyToastLifeTime"
-     decimal_digits="0"
-     follows="left|top"
-     height="23"
-     increment="1"
-     initial_value="23"
-     label="Nearby chat toasts life time:"
-     label_width="285"
-     layout="topleft"
-     left="45"
-     max_val="60"
-     min_val="1"
-     name="nearby_toasts_lifetime"
-     top_pad="10"
-     width="325" />
-    <spinner
-     control_name="NearbyToastFadingTime"
-     decimal_digits="0"
-     follows="left|top"
-     height="23"
-     increment="1"
-     initial_value="3"
-     label="Nearby chat toasts fading time:"
-     label_width="285"
-     layout="topleft"
-     left_delta="0"
-     max_val="60"
-     min_val="0"
-     name="nearby_toasts_fadingtime"
-     top_pad="3"
-     width="325" />
+        control_name="PlaySoundInventoryOffer"
+        height="16"
+        label="Inventory offer"
+        layout="topleft"
+        top_pad="6"
+        name="inventory_offer"
+        width="150" />
+
+  </panel>
+  
   <button
-   follows="left|top"
-   height="23"
-   label="Translation..."
-   layout="topleft"
-   left="30"
-   name="ok_btn"
-   top="-50"
-   width="170">
-   <button.commit_callback
-    function="Pref.TranslationSettings" />
+      follows="left|top"
+      height="23"
+      label="Translation..."
+      layout="topleft"
+      left="9"
+      name="ok_btn"
+      top="-29"
+      width="170">
+    <button.commit_callback
+        function="Pref.TranslationSettings" />
   </button>
   <button
-   follows="top|left"
-   height="23"
-   layout="topleft"
-   top_pad="-23"
-   left_pad="5"
-   name="autoreplace_showgui"
-   commit_callback.function="Pref.AutoReplace"
-   label="Auto-Replace..."
-   width="150">
+      follows="top|left"
+      height="23"
+      layout="topleft"
+      top_pad="-23"
+      left_pad="5"
+      name="autoreplace_showgui"
+      commit_callback.function="Pref.AutoReplace"
+      label="Auto-Replace..."
+      width="150">
   </button>
   <button
-   follows="top|left"
-   height="23"
-   layout="topleft"
-   top_pad="-23"
-   left_pad="5"
-   name="spellcheck_showgui"
-   commit_callback.function="Pref.SpellChecker"
-   label="Spell Checking..."
-   width="150">
+      follows="top|left"
+      height="23"
+      layout="topleft"
+      top_pad="-23"
+      left_pad="5"
+      name="spellcheck_showgui"
+      commit_callback.function="Pref.SpellChecker"
+      label="Spell Checking..."
+      width="150">
   </button>
 
 </panel>
diff --git a/indra/newview/skins/default/xui/en/panel_preferences_colors.xml b/indra/newview/skins/default/xui/en/panel_preferences_colors.xml
index 2b22f0d6e3..9e825fe516 100644
--- a/indra/newview/skins/default/xui/en/panel_preferences_colors.xml
+++ b/indra/newview/skins/default/xui/en/panel_preferences_colors.xml
@@ -362,7 +362,7 @@
    follows="left|top"
    height="16"
    increment="0.01"
-   initial_value="0.8"
+   initial_value="1.0"
    layout="topleft"
    label_width="115"
    label="Active:"
@@ -380,7 +380,7 @@
    follows="left|top"
    height="16"
    increment="0.01"
-   initial_value="0.5"
+   initial_value="0.95"
    layout="topleft"
    label_width="115"
    label="Inactive:"
diff --git a/indra/newview/skins/default/xui/en/panel_preferences_general.xml b/indra/newview/skins/default/xui/en/panel_preferences_general.xml
index 24882988b0..ea0f7d8593 100644
--- a/indra/newview/skins/default/xui/en/panel_preferences_general.xml
+++ b/indra/newview/skins/default/xui/en/panel_preferences_general.xml
@@ -409,10 +409,10 @@
      name="text_box3"
      top_pad="3"
      width="240">
-       Busy mode response:
+       Do Not Disturb response:
     </text>
     <text_editor
-     control_name="BusyModeResponse"
+     control_name="DoNotDisturbModeResponse"
       text_readonly_color="LabelDisabledColor"
       bg_writeable_color="LtGray"
       use_ellipses="false"
@@ -421,7 +421,7 @@
      height="29"
      layout="topleft"
      left="30"
-     name="busy_response"
+     name="do_not_disturb_response"
      width="470"
      word_wrap="true">
        log_in_to_change
diff --git a/indra/newview/skins/default/xui/en/strings.xml b/indra/newview/skins/default/xui/en/strings.xml
index 2157a05bbf..c75bd98c38 100644
--- a/indra/newview/skins/default/xui/en/strings.xml
+++ b/indra/newview/skins/default/xui/en/strings.xml
@@ -295,7 +295,7 @@ Please try logging in again in a minute.</string>
 	<!-- llvoavatar. Displayed in the avatar chat bubble -->
 	<string name="AvatarEditingAppearance">(Editing Appearance)</string>
 	<string name="AvatarAway">Away</string>
-	<string name="AvatarBusy">Busy</string>
+	<string name="AvatarDoNotDisturb">Do Not Disturb</string>
 	<string name="AvatarMuted">Blocked</string>
 
 	<!-- animations -->
@@ -384,6 +384,8 @@ Please try logging in again in a minute.</string>
 	<string name="ST_NO_JOINT">Can't find ROOT or JOINT.</string>
 
 	<!-- Chat -->
+	<string name="NearbyChatTitle">Nearby chat</string>
+  <string name="NearbyChatLabel">(Nearby chat)</string>
 	<string name="whisper">whispers:</string>
 	<string name="shout">shouts:</string>
 	<string name="ringing">Connecting to in-world Voice Chat...</string>
@@ -405,8 +407,9 @@ Please try logging in again in a minute.</string>
 	<string name="ChangePermissions">Change its permissions</string>
 	<string name="TrackYourCamera">Track your camera</string>
   <string name="ControlYourCamera">Control your camera</string>
+	<string name="NotConnected">Not Connected</string>
+	<string name="AgentNameSubst">(You)</string> <!-- Substitution for agent name -->
   <string name="TeleportYourAgent">Teleport you</string>
-  <string name="NotConnected">Not Connected</string>
 
 	<!-- Sim Access labels -->
 	<string name="SIM_ACCESS_PG">General</string>
@@ -2071,12 +2074,6 @@ For AI Character: Get the closest navigable point to the point provided.
 	</string>
 
 
-  <!-- Avatar busy/away mode -->
-	<string name="AvatarSetNotAway">Not Away</string>
-	<string name="AvatarSetAway">Away</string>
-	<string name="AvatarSetNotBusy">Not Busy</string>
-	<string name="AvatarSetBusy">Busy</string>
-
 	<!-- Wearable Types -->
 	<string name="shape">Shape</string>
 	<string name="skin">Skin</string>
@@ -2270,7 +2267,8 @@ Drag folders to this area and click "Send to Marketplace" to list them for sale
 	<string name="InvFolder Gestures">Gestures</string>
 	<string name="InvFolder Favorite">My Favorites</string>
   <!-- historically default name of the Favorites folder can start from either "f" or "F" letter.
-  We should localize both of them with the same value -->
+      Also, it can be written as "Favorite" or "Favorites".
+  We should localize all variants of them with the same value -->
 	<string name="InvFolder favorite">My Favorites</string>
 	<string name="InvFolder Favorites">My Favorites</string>
 	<string name="InvFolder favorites">My Favorites</string>
@@ -2284,6 +2282,7 @@ Drag folders to this area and click "Send to Marketplace" to list them for sale
 
   <!-- are used for Friends and Friends/All folders in Inventory "Calling cards" folder. See EXT-694-->
 	<string name="InvFolder Friends">Friends</string>
+	<string name="InvFolder Received Items">Received Items</string>
 	<string name="InvFolder All">All</string>
 
 	<string name="no_attachments">No attachments worn</string>
@@ -2524,7 +2523,7 @@ Drag folders to this area and click "Send to Marketplace" to list them for sale
 	<string name="PanelContentsNewScript">New Script</string>
 
   <!-- panel preferences general -->
-  <string name="BusyModeResponseDefault">The Resident you messaged is in &apos;busy mode&apos; which means they have requested not to be disturbed.  Your message will still be shown in their IM panel for later viewing.</string>
+  <string name="DoNotDisturbModeResponseDefault">This resident has turned on &apos;Do Not Disturb&apos; and will see your message later.</string>
 
 	<!-- Mute -->
 	<string name="MuteByName">(By name)</string>
@@ -2583,9 +2582,6 @@ Drag folders to this area and click "Send to Marketplace" to list them for sale
 	<string name="GroupMoneyDebits">Debits</string>
 	<string name="GroupMoneyDate">[weekday,datetime,utc] [mth,datetime,utc] [day,datetime,utc], [year,datetime,utc]</string>
 
-	<!-- viewer object -->
-	<string name="ViewerObjectContents">Contents</string>
-
 	<!-- Viewer menu -->
 	<string name="AcquiredItems">Acquired Items</string>
 	<string name="Cancel">Cancel</string>
@@ -3381,12 +3377,15 @@ If you continue to receive this message, contact the [SUPPORT_SITE].
 	<string name="IM_moderator_label">(Moderator)</string>
 	<string name="Saved_message">(Saved [LONG_TIMESTAMP])</string>
 	<string name="IM_unblock_only_groups_friends">To see this message, you must uncheck &apos;Only friends and groups can call or IM me&apos; in Preferences/Privacy.</string>
+  <string name="OnlineStatus">Online</string>
+  <string name="OfflineStatus">Offline</string>
 
 	<!-- voice calls -->
 	<string name="answered_call">Your call has been answered</string>
 	<string name="you_started_call">You started a voice call</string>
 	<string name="you_joined_call">You joined the voice call</string>
-	<string name="name_started_call">[NAME] started a voice call</string>
+  <string name="you_auto_rejected_call-im">You automatically rejected the voice call while &apos;Do Not Disturb&apos; was on.</string>
+  <string name="name_started_call">[NAME] started a voice call</string>
 
   <string name="ringing-im">
     Joining voice call...
@@ -3401,7 +3400,7 @@ If you continue to receive this message, contact the [SUPPORT_SITE].
     Connecting...
   </string>
   <string name="conference-title">
-    Ad-hoc Conference
+    Multi-person chat
   </string>
   <string name="conference-title-incoming">
     Conference with [AGENT_NAME]
@@ -3827,6 +3826,7 @@ Try enclosing path to the editor with double quotes.
   <string name="Command_Avatar_Label">Avatar</string>
   <string name="Command_Build_Label">Build</string>
   <string name="Command_Chat_Label">Chat</string>
+  <string name="Command_Conversations_Label">Conversations</string>
   <string name="Command_Compass_Label">Compass</string>
   <string name="Command_Destinations_Label">Destinations</string>
   <string name="Command_Gestures_Label">Gestures</string>
@@ -3853,6 +3853,7 @@ Try enclosing path to the editor with double quotes.
   <string name="Command_Avatar_Tooltip">Choose a complete avatar</string>
   <string name="Command_Build_Tooltip">Building objects and reshaping terrain</string>
   <string name="Command_Chat_Tooltip">Chat with people nearby using text</string>
+  <string name="Command_Conversations_Tooltip">Converse with everyone</string>
   <string name="Command_Compass_Tooltip">Compass</string>
   <string name="Command_Destinations_Tooltip">Destinations of interest</string>
   <string name="Command_Gestures_Tooltip">Gestures for your avatar</string>
diff --git a/indra/newview/skins/default/xui/en/widgets/chat_editor.xml b/indra/newview/skins/default/xui/en/widgets/chat_editor.xml
new file mode 100644
index 0000000000..f9facb593a
--- /dev/null
+++ b/indra/newview/skins/default/xui/en/widgets/chat_editor.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
+<chat_editor
+  name="chat_editor"
+  show_context_menu="true"/>
diff --git a/indra/newview/skins/default/xui/en/widgets/chiclet_im_adhoc.xml b/indra/newview/skins/default/xui/en/widgets/chiclet_im_adhoc.xml
deleted file mode 100644
index 0e29ed0d0b..0000000000
--- a/indra/newview/skins/default/xui/en/widgets/chiclet_im_adhoc.xml
+++ /dev/null
@@ -1,55 +0,0 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
-<chiclet_im_adhoc
- height="23"
- name="im_adhoc_chiclet"
- show_speaker="false"
- width="25">
-    <chiclet_im_adhoc.chiclet_button
-     height="25"
-     image_selected="PushButton_On"
-     image_unselected="PushButton_Off"
-     name="chiclet_button"
-     tab_stop="false"
-     width="25" />
-    <chiclet_im_adhoc.speaker
-      image_mute="Parcel_VoiceNo_Light"
-      image_off="VoicePTT_Off_Dark"
-      image_on="VoicePTT_On_Dark"
-      image_level_1="VoicePTT_Lvl1_Dark"
-      image_level_2="VoicePTT_Lvl2_Dark"
-      image_level_3="VoicePTT_Lvl3_Dark"
-      auto_update="true"
-      draw_border="false"
-      height="24"
-      left="25"
-      bottom="1"      
-      name="speaker"
-      visible="false"
-      width="20" />
-    <chiclet_im_adhoc.avatar_icon
-     bottom="3"
-     follows="left|top|bottom"
-     height="20"
-     left="2"
-     mouse_opaque="false"
-     name="adhoc_icon"
-     width="21" />
-    <chiclet_im_adhoc.unread_notifications
-     halign="center"
-     height="23"
-     left="25"
-     mouse_opaque="false"
-     name="unread"
-     text_color="white"
-     v_pad="3"
-     visible="false"
-     width="20" />
-    <chiclet_im_adhoc.new_message_icon
-  bottom="11"
-  height="14"
-  image_name="Unread_Chiclet"
-  left="12"
-  name="new_message_icon"
-  visible="false"
-  width="14" />
-</chiclet_im_adhoc>
\ No newline at end of file
diff --git a/indra/newview/skins/default/xui/en/widgets/chiclet_im_group.xml b/indra/newview/skins/default/xui/en/widgets/chiclet_im_group.xml
deleted file mode 100644
index 77011139bf..0000000000
--- a/indra/newview/skins/default/xui/en/widgets/chiclet_im_group.xml
+++ /dev/null
@@ -1,56 +0,0 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
-<chiclet_im_group
- height="23"
- name="im_group_chiclet"
- show_speaker="false"
- width="25">
-    <chiclet_im_group.chiclet_button
-     height="25"
-     image_selected="PushButton_On"
-     image_unselected="PushButton_Off"
-     name="chiclet_button"
-     tab_stop="false"
-     width="25" />
-    <chiclet_im_group.speaker
-      image_mute="Parcel_VoiceNo_Light"
-      image_off="VoicePTT_Off_Dark"
-      image_on="VoicePTT_On_Dark"
-      image_level_1="VoicePTT_Lvl1_Dark"
-      image_level_2="VoicePTT_Lvl2_Dark"
-      image_level_3="VoicePTT_Lvl3_Dark"
-      auto_update="true"
-      draw_border="false"
-      height="24"
-      left="25"
-      bottom="1"      
-      name="speaker"
-      visible="false"
-      width="20" />
-    <chiclet_im_group.group_icon
-     bottom="3"
-     default_icon="Generic_Group"
-     follows="left|top|bottom"
-     height="20"
-     left="2"
-     mouse_opaque="false"
-     name="group_icon"
-     width="21" />
-    <chiclet_im_group.unread_notifications
-     height="23"
-     halign="center"
-     left="25"
-     mouse_opaque="false"
-     name="unread"
-     text_color="white"
-     v_pad="3"
-     visible="false"
-     width="20"/>
-    <chiclet_im_group.new_message_icon
-bottom="11"
-  height="14"
-  image_name="Unread_Chiclet"
-  left="12"
-  name="new_message_icon"
-  visible="false"
-  width="14" />
-</chiclet_im_group>
\ No newline at end of file
diff --git a/indra/newview/skins/default/xui/en/widgets/chiclet_im_p2p.xml b/indra/newview/skins/default/xui/en/widgets/chiclet_im_p2p.xml
deleted file mode 100644
index 8b56a8f0f6..0000000000
--- a/indra/newview/skins/default/xui/en/widgets/chiclet_im_p2p.xml
+++ /dev/null
@@ -1,56 +0,0 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
-<chiclet_im_p2p
- height="23"
- name="im_p2p_chiclet"
- show_speaker="false"
- width="25">
-    <chiclet_im_p2p.chiclet_button
-     height="25"
-     image_selected="PushButton_On"
-     image_unselected="PushButton_Off"
-     name="chiclet_button"
-     tab_stop="false"
-     width="25"/>
-    <chiclet_im_p2p.speaker
-      image_mute="Parcel_VoiceNo_Light"
-      image_off="VoicePTT_Off_Dark"
-      image_on="VoicePTT_On_Dark"
-      image_level_1="VoicePTT_Lvl1_Dark"
-      image_level_2="VoicePTT_Lvl2_Dark"
-      image_level_3="VoicePTT_Lvl3_Dark"
-      auto_update="true"
-      draw_border="false"
-      height="24"
-      left="25"
-      bottom="1"
-      name="speaker"
-      visible="false"
-      width="20" />
-    <chiclet_im_p2p.avatar_icon
-     bottom="3"
-     color="white"
-     follows="left|top|bottom"
-     height="20"
-     left="2"
-     mouse_opaque="false"
-     name="avatar_icon"
-     width="21" />
-    <chiclet_im_p2p.unread_notifications
-     height="23"
-     halign="center"
-     left="25"
-     mouse_opaque="false"
-     name="unread"
-     text_color="white"
-     v_pad="3"
-     visible="false"
-     width="20"/>
-    <chiclet_im_p2p.new_message_icon
-  bottom="11"
-  height="14"
-  image_name="Unread_Chiclet"
-  left="12"
-  name="new_message_icon"
-  visible="false"
-  width="14" />
-</chiclet_im_p2p>
diff --git a/indra/newview/skins/default/xui/en/widgets/conversation_view_participant.xml b/indra/newview/skins/default/xui/en/widgets/conversation_view_participant.xml
new file mode 100755
index 0000000000..b83d9122f7
--- /dev/null
+++ b/indra/newview/skins/default/xui/en/widgets/conversation_view_participant.xml
@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
+<conversation_view_participant
+  folder_arrow_image="Folder_Arrow"
+  item_height="24" 
+  item_top_pad="0"
+  selection_image="Rounded_Square"
+  mouse_opaque="true"
+  follows="left|top|right"
+  left_pad="0"
+  icon_pad="10"
+  icon_width="20"
+  text_pad="7"
+  text_pad_right="4"
+  arrow_size="12"
+  max_folder_item_overlap="2"
+>
+<avatar_icon
+	 follows="left"
+     height="20"
+     default_icon_name="Generic_Person"
+	 layout="topleft"
+	 top="2"
+     width="20" />
+<info_button
+	 follows="right"
+     height="16"
+     image_pressed="Info_Press"
+     image_unselected="Info_Over"
+     right="-28"
+     name="info_btn"
+     width="16" />
+<output_monitor
+	follows="right"
+	auto_update="true"
+	draw_border="false"
+	height="16"
+	right="-3"
+	mouse_opaque="true"
+	name="speaking_indicator"
+	visible="true"
+	width="20" />	 
+</conversation_view_participant>
diff --git a/indra/newview/skins/default/xui/en/widgets/conversation_view_session.xml b/indra/newview/skins/default/xui/en/widgets/conversation_view_session.xml
new file mode 100644
index 0000000000..b8c39eec1d
--- /dev/null
+++ b/indra/newview/skins/default/xui/en/widgets/conversation_view_session.xml
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
+<conversation_view_session
+  folder_arrow_image="Folder_Arrow"
+  folder_indentation="8"
+  item_height="24" 
+  item_top_pad="4"
+  selection_image="Rounded_Square"
+  mouse_opaque="true"
+  follows="left|top|right"
+  left_pad="5"
+  icon_pad="2"
+  icon_width="16"
+  text_pad="1"
+  text_pad_right="4"
+  arrow_size="12"
+  max_folder_item_overlap="2"/>
diff --git a/indra/newview/skins/default/xui/en/widgets/folder_view_item.xml b/indra/newview/skins/default/xui/en/widgets/folder_view_item.xml
index 6fa74f403d..bbd53ccb12 100644
--- a/indra/newview/skins/default/xui/en/widgets/folder_view_item.xml
+++ b/indra/newview/skins/default/xui/en/widgets/folder_view_item.xml
@@ -7,4 +7,10 @@
   selection_image="Rounded_Square"
   mouse_opaque="true"
   follows="left|top|right"
-  />
+  left_pad="5"
+  icon_pad="2"
+  icon_width="16"
+  text_pad="1"
+  text_pad_right="4"
+  arrow_size="12"
+  max_folder_item_overlap="2"/>
diff --git a/indra/newview/skins/default/xui/en/widgets/inbox_folder_view_folder.xml b/indra/newview/skins/default/xui/en/widgets/inbox_folder_view_folder.xml
index 77d8024cb2..590a4730a9 100644
--- a/indra/newview/skins/default/xui/en/widgets/inbox_folder_view_folder.xml
+++ b/indra/newview/skins/default/xui/en/widgets/inbox_folder_view_folder.xml
@@ -5,7 +5,13 @@
   item_height="20" 
   item_top_pad="4"
   selection_image="Rounded_Square"
-  >
+  left_pad="5"
+  icon_pad="2"
+  icon_width="16"
+  text_pad="1"
+  text_pad_right="4"
+  arrow_size="12"
+  max_folder_item_overlap="2">
 	<new_badge 
         label="New" 
         label_offset_horiz="-1"
diff --git a/indra/newview/skins/default/xui/en/widgets/inbox_inventory_panel.xml b/indra/newview/skins/default/xui/en/widgets/inbox_inventory_panel.xml
index 830c27bdac..d5b10e7f51 100644
--- a/indra/newview/skins/default/xui/en/widgets/inbox_inventory_panel.xml
+++ b/indra/newview/skins/default/xui/en/widgets/inbox_inventory_panel.xml
@@ -1,2 +1,3 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes" ?>
-<inbox_inventory_panel show_load_status="false" />
+<inbox_inventory_panel show_load_status="false"
+                       start_folder.type="inbox"/>
diff --git a/indra/newview/skins/default/xui/en/widgets/outbox_folder_view_folder.xml b/indra/newview/skins/default/xui/en/widgets/outbox_folder_view_folder.xml
deleted file mode 100644
index d19c47f54f..0000000000
--- a/indra/newview/skins/default/xui/en/widgets/outbox_folder_view_folder.xml
+++ /dev/null
@@ -1,9 +0,0 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
-<outbox_folder_view_folder
-  folder_arrow_image="Folder_Arrow"
-  folder_indentation="8"
-  item_height="20" 
-  item_top_pad="4"
-  selection_image="Rounded_Square"
-  >
-</outbox_folder_view_folder>
diff --git a/indra/newview/skins/default/xui/en/widgets/outbox_inventory_panel.xml b/indra/newview/skins/default/xui/en/widgets/outbox_inventory_panel.xml
deleted file mode 100644
index 3964569da2..0000000000
--- a/indra/newview/skins/default/xui/en/widgets/outbox_inventory_panel.xml
+++ /dev/null
@@ -1,2 +0,0 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
-<outbox_inventory_panel show_empty_message="false" show_load_status="false" />
diff --git a/indra/newview/skins/default/xui/en/widgets/text.xml b/indra/newview/skins/default/xui/en/widgets/text.xml
index 134f2d7522..2102074674 100644
--- a/indra/newview/skins/default/xui/en/widgets/text.xml
+++ b/indra/newview/skins/default/xui/en/widgets/text.xml
@@ -9,6 +9,7 @@
       h_pad="0" 
       allow_scroll="false"
       text_readonly_color="LabelTextColor"
+      text_tentative_color="TextFgTentativeColor"
       bg_writeable_color="FloaterDefaultBackgroundColor" 
       use_ellipses="false"
       bg_visible="false" 
diff --git a/indra/newview/skins/default/xui/en/widgets/toolbar.xml b/indra/newview/skins/default/xui/en/widgets/toolbar.xml
index 0aa478ace9..0ace37a5dc 100644
--- a/indra/newview/skins/default/xui/en/widgets/toolbar.xml
+++ b/indra/newview/skins/default/xui/en/widgets/toolbar.xml
@@ -30,9 +30,9 @@
                         image_overlay_alignment="left"
                         use_ellipses="true"
                         auto_resize="true"
-                        button_flash_count="99999"
-                        button_flash_rate="1.0"
-                        flash_color="EmphasisColor"/>
+                        button_flash_count="4"
+                        button_flash_rate="0.5"
+                        flash_color="BeaconColor"/>
   <button_icon pad_left="10"
                pad_right="10"
                image_bottom_pad="10"
@@ -51,7 +51,7 @@
                chrome="true"
                use_ellipses="true"
                auto_resize="true"
-               button_flash_count="99999"
-               button_flash_rate="1.0"
-               flash_color="EmphasisColor"/>
+               button_flash_count="4"
+               button_flash_rate="0.5"
+               flash_color="BeaconColor"/>
 </toolbar>
diff --git a/indra/newview/skins/default/xui/es/floater_chat_bar.xml b/indra/newview/skins/default/xui/es/floater_chat_bar.xml
index 2e94805057..02369c9a43 100644
--- a/indra/newview/skins/default/xui/es/floater_chat_bar.xml
+++ b/indra/newview/skins/default/xui/es/floater_chat_bar.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes"?>
-<floater name="chat_bar" title="CHAT">
+<floater name="nearby_chat" title="CHAT">
 	<panel name="bottom_panel">
 		<line_editor label="Pulsa aquí para chatear." name="chat_box" tool_tip="Pulsa Enter para decirlo o Ctrl+Enter para gritarlo"/>
 		<button name="show_nearby_chat" tool_tip="Muestra o esconde el registro del chat"/>
diff --git a/indra/newview/skins/default/xui/es/menu_im_well_button.xml b/indra/newview/skins/default/xui/es/menu_im_well_button.xml
deleted file mode 100644
index c8f6c217cc..0000000000
--- a/indra/newview/skins/default/xui/es/menu_im_well_button.xml
+++ /dev/null
@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes"?>
-<context_menu name="IM Well Button Context Menu">
-	<menu_item_call label="Cerrar todo" name="Close All"/>
-</context_menu>
diff --git a/indra/newview/skins/default/xui/es/panel_nearby_chat_bar.xml b/indra/newview/skins/default/xui/es/panel_nearby_chat_bar.xml
index af2b6e920b..e6ca59f912 100644
--- a/indra/newview/skins/default/xui/es/panel_nearby_chat_bar.xml
+++ b/indra/newview/skins/default/xui/es/panel_nearby_chat_bar.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes"?>
-<panel name="chat_bar">
+<panel name="nearby_chat">
 	<line_editor label="Pulsa aquí para chatear." name="chat_box" tool_tip="Pulsa Enter para decirlo o Ctrl+Enter para gritarlo"/>
 	<button name="show_nearby_chat" tool_tip="Muestra o esconde el registro del chat"/>
 </panel>
diff --git a/indra/newview/skins/default/xui/fr/floater_chat_bar.xml b/indra/newview/skins/default/xui/fr/floater_chat_bar.xml
index 890411d091..7dcb9a280d 100644
--- a/indra/newview/skins/default/xui/fr/floater_chat_bar.xml
+++ b/indra/newview/skins/default/xui/fr/floater_chat_bar.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes"?>
-<floater name="chat_bar" title="CHAT PRÈS DE MOI">
+<floater name="nearby_chat" title="CHAT PRÈS DE MOI">
 	<panel name="bottom_panel">
 		<line_editor label="Cliquer ici pour chatter." name="chat_box" tool_tip="Appuyer sur Entrée pour dire, Ctrl+Entrée pour crier"/>
 		<button name="show_nearby_chat" tool_tip="Afficher/masquer le journal de chat près de vous."/>
diff --git a/indra/newview/skins/default/xui/fr/menu_im_well_button.xml b/indra/newview/skins/default/xui/fr/menu_im_well_button.xml
deleted file mode 100644
index 8ef1529e6b..0000000000
--- a/indra/newview/skins/default/xui/fr/menu_im_well_button.xml
+++ /dev/null
@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes"?>
-<context_menu name="IM Well Button Context Menu">
-	<menu_item_call label="Tout fermer" name="Close All"/>
-</context_menu>
diff --git a/indra/newview/skins/default/xui/fr/panel_nearby_chat_bar.xml b/indra/newview/skins/default/xui/fr/panel_nearby_chat_bar.xml
index 82cdf292ab..762dee01bb 100644
--- a/indra/newview/skins/default/xui/fr/panel_nearby_chat_bar.xml
+++ b/indra/newview/skins/default/xui/fr/panel_nearby_chat_bar.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes"?>
-<panel name="chat_bar">
+<panel name="nearby_chat">
 	<line_editor label="Cliquer ici pour chatter." name="chat_box" tool_tip="Appuyer sur Entrée pour dire, Ctrl-Entrée pour crier"/>
 	<button name="show_nearby_chat" tool_tip="Affiche/Masque le journal de chats près de vous"/>
 </panel>
diff --git a/indra/newview/skins/default/xui/it/floater_chat_bar.xml b/indra/newview/skins/default/xui/it/floater_chat_bar.xml
index 94c85b50c8..b47e32ce90 100644
--- a/indra/newview/skins/default/xui/it/floater_chat_bar.xml
+++ b/indra/newview/skins/default/xui/it/floater_chat_bar.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes"?>
-<floater name="chat_bar" title="CHAT NEI DINTORNI">
+<floater name="nearby_chat" title="CHAT NEI DINTORNI">
 	<panel name="bottom_panel">
 		<line_editor label="Clicca qui per la chat." name="chat_box" tool_tip="Premi Invio per parlare, Ctrl+Invio per gridare"/>
 		<button name="show_nearby_chat" tool_tip="Mostra/Nasconde il registro della chat nei dintorni"/>
diff --git a/indra/newview/skins/default/xui/it/menu_im_well_button.xml b/indra/newview/skins/default/xui/it/menu_im_well_button.xml
deleted file mode 100644
index 9e471b771c..0000000000
--- a/indra/newview/skins/default/xui/it/menu_im_well_button.xml
+++ /dev/null
@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes"?>
-<context_menu name="IM Well Button Context Menu">
-	<menu_item_call label="Chiudi tutto" name="Close All"/>
-</context_menu>
diff --git a/indra/newview/skins/default/xui/it/panel_nearby_chat_bar.xml b/indra/newview/skins/default/xui/it/panel_nearby_chat_bar.xml
index 6317d3192e..1fef88870a 100644
--- a/indra/newview/skins/default/xui/it/panel_nearby_chat_bar.xml
+++ b/indra/newview/skins/default/xui/it/panel_nearby_chat_bar.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes"?>
-<panel name="chat_bar">
+<panel name="nearby_chat">
 	<string name="min_width">
 		192
 	</string>
diff --git a/indra/newview/skins/default/xui/ja/floater_chat_bar.xml b/indra/newview/skins/default/xui/ja/floater_chat_bar.xml
index 11f223ade6..9f5df6fb85 100644
--- a/indra/newview/skins/default/xui/ja/floater_chat_bar.xml
+++ b/indra/newview/skins/default/xui/ja/floater_chat_bar.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes"?>
-<floater name="chat_bar" title="近くのチャット">
+<floater name="nearby_chat" title="近くのチャット">
 	<panel name="bottom_panel">
 		<line_editor label="ここをクリックしてチャットを開始します。" name="chat_box" tool_tip="Enter キーを押して話し、Ctrl + Enter キーで叫びます。"/>
 		<button name="show_nearby_chat" tool_tip="近くのチャットログを表示／非表示"/>
diff --git a/indra/newview/skins/default/xui/ja/menu_im_well_button.xml b/indra/newview/skins/default/xui/ja/menu_im_well_button.xml
deleted file mode 100644
index 3397004bd7..0000000000
--- a/indra/newview/skins/default/xui/ja/menu_im_well_button.xml
+++ /dev/null
@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes"?>
-<context_menu name="IM Well Button Context Menu">
-	<menu_item_call label="すべて閉じる" name="Close All"/>
-</context_menu>
diff --git a/indra/newview/skins/default/xui/ja/panel_nearby_chat_bar.xml b/indra/newview/skins/default/xui/ja/panel_nearby_chat_bar.xml
index 5998206f27..201fb0a376 100644
--- a/indra/newview/skins/default/xui/ja/panel_nearby_chat_bar.xml
+++ b/indra/newview/skins/default/xui/ja/panel_nearby_chat_bar.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes"?>
-<panel name="chat_bar">
+<panel name="nearby_chat">
 	<line_editor label="ここをクリックしてチャットを開始します。" name="chat_box" tool_tip="Enter キーを押して発言し、Ctrl + Enter キーで叫びます。"/>
 	<button name="show_nearby_chat" tool_tip="近くのチャットログを表示・非表示"/>
 </panel>
diff --git a/indra/newview/skins/default/xui/pl/menu_im_well_button.xml b/indra/newview/skins/default/xui/pl/menu_im_well_button.xml
deleted file mode 100644
index 207bc2211b..0000000000
--- a/indra/newview/skins/default/xui/pl/menu_im_well_button.xml
+++ /dev/null
@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes"?>
-<context_menu name="IM Well Button Context Menu">
-	<menu_item_call label="Zamknij wszystkie" name="Close All"/>
-</context_menu>
diff --git a/indra/newview/skins/default/xui/pl/panel_nearby_chat_bar.xml b/indra/newview/skins/default/xui/pl/panel_nearby_chat_bar.xml
index 63cf96b571..4ed3ff669b 100644
--- a/indra/newview/skins/default/xui/pl/panel_nearby_chat_bar.xml
+++ b/indra/newview/skins/default/xui/pl/panel_nearby_chat_bar.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes"?>
-<panel name="chat_bar">
+<panel name="nearby_chat">
 	<string name="min_width">
 		192
 	</string>
diff --git a/indra/newview/skins/default/xui/pt/floater_chat_bar.xml b/indra/newview/skins/default/xui/pt/floater_chat_bar.xml
index 72016c6b40..2eb2c94940 100644
--- a/indra/newview/skins/default/xui/pt/floater_chat_bar.xml
+++ b/indra/newview/skins/default/xui/pt/floater_chat_bar.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes"?>
-<floater name="chat_bar" title="BATE-PAPO LOCAL">
+<floater name="nearby_chat" title="BATE-PAPO LOCAL">
 	<panel name="bottom_panel">
 		<line_editor label="Clique aqui para bater papo." name="chat_box" tool_tip="Tecle Enter para falar, Ctrl+Enter para gritar"/>
 		<button name="show_nearby_chat" tool_tip="Mostra/oculta o histórico do bate-papo local"/>
diff --git a/indra/newview/skins/default/xui/pt/menu_im_well_button.xml b/indra/newview/skins/default/xui/pt/menu_im_well_button.xml
deleted file mode 100644
index 2d37cefd6f..0000000000
--- a/indra/newview/skins/default/xui/pt/menu_im_well_button.xml
+++ /dev/null
@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes"?>
-<context_menu name="IM Well Button Context Menu">
-	<menu_item_call label="Fechar tudo" name="Close All"/>
-</context_menu>
diff --git a/indra/newview/skins/default/xui/pt/panel_nearby_chat_bar.xml b/indra/newview/skins/default/xui/pt/panel_nearby_chat_bar.xml
index 9b993488be..5628a87109 100644
--- a/indra/newview/skins/default/xui/pt/panel_nearby_chat_bar.xml
+++ b/indra/newview/skins/default/xui/pt/panel_nearby_chat_bar.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes"?>
-<panel name="chat_bar">
+<panel name="nearby_chat">
 	<line_editor label="Clique aqui para bater papo." name="chat_box" tool_tip="Tecle Enter para falar, Ctrl+Enter para gritar"/>
 	<button name="show_nearby_chat" tool_tip="Mostra/oculta o histórico do bate-papo local"/>
 </panel>
diff --git a/indra/newview/skins/default/xui/ru/floater_chat_bar.xml b/indra/newview/skins/default/xui/ru/floater_chat_bar.xml
index 79b7b033fb..f6b2fc81e1 100644
--- a/indra/newview/skins/default/xui/ru/floater_chat_bar.xml
+++ b/indra/newview/skins/default/xui/ru/floater_chat_bar.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes"?>
-<floater name="chat_bar" title="ЛОКАЛЬНЫЙ ЧАТ">
+<floater name="nearby_chat" title="ЛОКАЛЬНЫЙ ЧАТ">
 	<panel name="bottom_panel">
 		<line_editor label="Щелкните здесь для общения." name="chat_box" tool_tip="Нажмите Enter, чтобы сказать, Ctrl+Enter, чтобы прокричать"/>
 		<button name="show_nearby_chat" tool_tip="Показать/скрыть лог локального чата"/>
diff --git a/indra/newview/skins/default/xui/ru/menu_im_well_button.xml b/indra/newview/skins/default/xui/ru/menu_im_well_button.xml
deleted file mode 100644
index 5a5bde61b9..0000000000
--- a/indra/newview/skins/default/xui/ru/menu_im_well_button.xml
+++ /dev/null
@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes"?>
-<context_menu name="IM Well Button Context Menu">
-	<menu_item_call label="Закрыть все" name="Close All"/>
-</context_menu>
diff --git a/indra/newview/skins/default/xui/ru/panel_nearby_chat_bar.xml b/indra/newview/skins/default/xui/ru/panel_nearby_chat_bar.xml
index 804ba7def7..395c643b0b 100644
--- a/indra/newview/skins/default/xui/ru/panel_nearby_chat_bar.xml
+++ b/indra/newview/skins/default/xui/ru/panel_nearby_chat_bar.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes"?>
-<panel name="chat_bar">
+<panel name="nearby_chat">
 	<line_editor label="Щелкните здесь для общения" name="chat_box" tool_tip="Нажмите Enter, чтобы сказать, Ctrl+Enter, чтобы прокричать"/>
 	<button name="show_nearby_chat" tool_tip="Показать/скрыть лог локального чата"/>
 </panel>
diff --git a/indra/newview/skins/default/xui/tr/floater_chat_bar.xml b/indra/newview/skins/default/xui/tr/floater_chat_bar.xml
index 988c845982..cd999b4b7a 100644
--- a/indra/newview/skins/default/xui/tr/floater_chat_bar.xml
+++ b/indra/newview/skins/default/xui/tr/floater_chat_bar.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes"?>
-<floater name="chat_bar" title="YAKINDAKİ SOHBET">
+<floater name="nearby_chat" title="YAKINDAKİ SOHBET">
 	<panel name="bottom_panel">
 		<line_editor label="Sohbet etmek için buraya tıklayın." name="chat_box" tool_tip="Söylemek için Enter, bağırmak için Ctrl+Enter yapın"/>
 		<button name="show_nearby_chat" tool_tip="Yakın sohbet günlüğünü gösterir/gizler"/>
diff --git a/indra/newview/skins/default/xui/tr/menu_im_well_button.xml b/indra/newview/skins/default/xui/tr/menu_im_well_button.xml
deleted file mode 100644
index c3e559a723..0000000000
--- a/indra/newview/skins/default/xui/tr/menu_im_well_button.xml
+++ /dev/null
@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes"?>
-<context_menu name="IM Well Button Context Menu">
-	<menu_item_call label="Tümünü Kapat" name="Close All"/>
-</context_menu>
diff --git a/indra/newview/skins/default/xui/tr/panel_nearby_chat_bar.xml b/indra/newview/skins/default/xui/tr/panel_nearby_chat_bar.xml
index fd954475ac..7d191191c4 100644
--- a/indra/newview/skins/default/xui/tr/panel_nearby_chat_bar.xml
+++ b/indra/newview/skins/default/xui/tr/panel_nearby_chat_bar.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes"?>
-<panel name="chat_bar">
+<panel name="nearby_chat">
 	<line_editor label="Sohbet etmek için buraya tıklayın." name="chat_box" tool_tip="Söylemek için Enter, bağırmak için Ctrl+Enter yapın"/>
 	<button name="show_nearby_chat" tool_tip="yakın sohbet günlüğünü gösterir/gizler"/>
 </panel>
diff --git a/indra/newview/skins/default/xui/zh/menu_im_well_button.xml b/indra/newview/skins/default/xui/zh/menu_im_well_button.xml
deleted file mode 100644
index 4b9b4b2758..0000000000
--- a/indra/newview/skins/default/xui/zh/menu_im_well_button.xml
+++ /dev/null
@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes"?>
-<context_menu name="IM Well Button Context Menu">
-	<menu_item_call label="全部關閉" name="Close All"/>
-</context_menu>
diff --git a/indra/newview/skins/default/xui/zh/panel_nearby_chat_bar.xml b/indra/newview/skins/default/xui/zh/panel_nearby_chat_bar.xml
index 4361b588d8..9489113d09 100644
--- a/indra/newview/skins/default/xui/zh/panel_nearby_chat_bar.xml
+++ b/indra/newview/skins/default/xui/zh/panel_nearby_chat_bar.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes"?>
-<panel name="chat_bar">
+<panel name="nearby_chat">
 	<line_editor label="點按此處開始聊天。" name="chat_box" tool_tip="按下 Enter 鍵來說或按下 Ctrl+Enter 來喊叫"/>
 	<button name="show_nearby_chat" tool_tip="顯示 / 隱藏 附近的聊天紀錄"/>
 </panel>