tab container fixes..

68 files changed, 3232 insertions, 1464 deletions

diff --git a/indra/llui/lltextbase.cpp b/indra/llui/lltextbase.cpp
index 653505a12e..2b1d677ffb 100644
--- a/indra/llui/lltextbase.cpp
+++ b/indra/llui/lltextbase.cpp
@@ -419,9 +419,6 @@ void LLTextBase::drawCursor()
 			return;
 		}
 
-		if (!mTextRect.contains(cursor_rect))
-			return;
-
 		// Draw the cursor
 		// (Flash the cursor every half second starting a fixed time after the last keystroke)
 		F32 elapsed = mCursorBlinkTimer.getElapsedTimeF32();
@@ -2381,7 +2378,6 @@ S32	LLNormalTextSegment::getNumChars(S32 num_pixels, S32 segment_offset, S32 lin
 	{
 		if (text[last_char] == '\n') 
 		{
-			last_char++;
 			break;
 		}
 	}
@@ -2401,9 +2397,14 @@ S32	LLNormalTextSegment::getNumChars(S32 num_pixels, S32 segment_offset, S32 lin
 		// If at the beginning of a line, and a single character won't fit, draw it anyway
 		num_chars = 1;
 	}
-	if (mStart + segment_offset + num_chars == mEditor.getLength())
+
+	// include *either* the EOF or newline character in this run of text
+	// but not both
+	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 >= mEditor.getLength() 
+		|| text[last_char_in_run] == '\n')
 	{
-		// include terminating NULL
 		num_chars++;
 	}
 	return num_chars;
diff --git a/indra/newview/CMakeLists.txt b/indra/newview/CMakeLists.txt
index dd3937a6ef..5210ff66ed 100644
--- a/indra/newview/CMakeLists.txt
+++ b/indra/newview/CMakeLists.txt
@@ -371,6 +371,7 @@ set(viewer_SOURCE_FILES
     llsky.cpp
     llslurl.cpp
     llspatialpartition.cpp
+    llspeakers.cpp
     llsplitbutton.cpp
     llsprite.cpp
     llstartup.cpp
@@ -484,6 +485,7 @@ set(viewer_SOURCE_FILES
     llvoclouds.cpp
     llvograss.cpp
     llvoground.cpp
+    llvoicechannel.cpp
     llvoiceclient.cpp
     llvoiceremotectrl.cpp
     llvoicevisualizer.cpp
@@ -847,6 +849,7 @@ set(viewer_HEADER_FILES
     llsky.h
     llslurl.h
     llspatialpartition.h
+    llspeakers.h
     llsplitbutton.h
     llsprite.h
     llstartup.h
@@ -960,6 +963,7 @@ set(viewer_HEADER_FILES
     llvoclouds.h
     llvograss.h
     llvoground.h
+    llvoicechannel.h
     llvoiceclient.h
     llvoiceremotectrl.h
     llvoicevisualizer.h
diff --git a/indra/newview/app_settings/settings.xml b/indra/newview/app_settings/settings.xml
index 3682d48577..6bc95b9cdb 100644
--- a/indra/newview/app_settings/settings.xml
+++ b/indra/newview/app_settings/settings.xml
@@ -7742,6 +7742,39 @@
       <key>Value</key>
       <integer>1</integer>
     </map>
+    <key>FriendsListShowIcons</key>
+    <map>
+      <key>Comment</key>
+      <string>Show/hide online and all friends icons in the friend list</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>Boolean</string>
+      <key>Value</key>
+      <integer>1</integer>
+    </map>
+    <key>NearbyListShowIcons</key>
+    <map>
+      <key>Comment</key>
+      <string>Show/hide people icons in nearby list</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>Boolean</string>
+      <key>Value</key>
+      <integer>1</integer>
+    </map>
+    <key>RecentListShowIcons</key>
+    <map>
+      <key>Comment</key>
+      <string>Show/hide people icons in recent list</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>Boolean</string>
+      <key>Value</key>
+      <integer>1</integer>
+    </map>
     <key>FriendsSortOrder</key>
     <map>
       <key>Comment</key>
@@ -10460,6 +10493,17 @@
       <key>Value</key>
       <real>90.0</real>
     </map>
+    <key>YouAreHereDistance</key>
+    <map>
+      <key>Comment</key>
+      <string>Radius of distance for banner that indicates if the resident is "on" the Place.(meters from avatar to requested place)</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>F32</string>
+      <key>Value</key>
+      <real>10.0</real>
+    </map>
     <key>YieldTime</key>
     <map>
       <key>Comment</key>
diff --git a/indra/newview/llagent.cpp b/indra/newview/llagent.cpp
index f62606cc50..75a72e5b17 100644
--- a/indra/newview/llagent.cpp
+++ b/indra/newview/llagent.cpp
@@ -42,7 +42,7 @@
 #include "lldrawable.h"
 #include "llfirstuse.h"
 #include "llfloaterreg.h"
-#include "llfloateractivespeakers.h"
+#include "llspeakers.h"
 #include "llfloatercamera.h"
 #include "llfloatercustomize.h"
 
@@ -5391,12 +5391,6 @@ void update_group_floaters(const LLUUID& group_id)
 	//*TODO Implement group update for Profile View 
 	// still actual as of July 31, 2009 (DZ)
 
-	if (gIMMgr)
-	{
-		// update the talk view
-		gIMMgr->refresh();
-	}
-
 	gAgent.fireEvent(new LLOldEvents::LLEvent(&gAgent, "new group"), "");
 }
 
diff --git a/indra/newview/llagentui.cpp b/indra/newview/llagentui.cpp
index 1a69f1d975..09f7c49f23 100644
--- a/indra/newview/llagentui.cpp
+++ b/indra/newview/llagentui.cpp
@@ -89,6 +89,11 @@ std::string LLAgentUI::buildSLURL(const bool escaped /*= true*/)
 	return slurl;
 }
 
+//static
+BOOL LLAgentUI::checkAgentDistance(const LLVector3& pole, F32 radius)
+{
+	return  (gAgent.getPositionAgent() - pole).length() < radius;
+}
 BOOL LLAgentUI::buildLocationString(std::string& str, ELocationFormat fmt,const LLVector3& agent_pos_region)
 {
 	LLViewerRegion* region = gAgent.getRegion();
diff --git a/indra/newview/llagentui.h b/indra/newview/llagentui.h
index 47ecb04547..c7aafb71e7 100644
--- a/indra/newview/llagentui.h
+++ b/indra/newview/llagentui.h
@@ -52,6 +52,11 @@ public:
 	static BOOL buildLocationString(std::string& str, ELocationFormat fmt = LOCATION_FORMAT_LANDMARK);
 	//build location string using a region position of the avatar. 
 	static BOOL buildLocationString(std::string& str, ELocationFormat fmt,const LLVector3& agent_pos_region);
+	/**
+	 * @brief Check whether  the agent is in neighborhood of the pole  Within same region
+	 * @return true if the agent is in neighborhood.
+	 */
+	static BOOL checkAgentDistance(const LLVector3& local_pole, F32 radius);
 };
 
 #endif //LLAGENTUI_H
diff --git a/indra/newview/llappviewer.cpp b/indra/newview/llappviewer.cpp
index e184d99ffc..06c9171d67 100644
--- a/indra/newview/llappviewer.cpp
+++ b/indra/newview/llappviewer.cpp
@@ -49,7 +49,6 @@
 #include "llviewerstats.h"
 #include "llmd5.h"
 #include "llpumpio.h"
-#include "llimpanel.h"
 #include "llmimetypes.h"
 #include "llslurl.h"
 #include "llstartup.h"
@@ -76,6 +75,7 @@
 #include "llteleporthistory.h"
 #include "lllocationhistory.h"
 #include "llfasttimerview.h"
+#include "llvoicechannel.h"
 
 #include "llweb.h"
 #include "llsecondlifeurls.h"
diff --git a/indra/newview/llavatariconctrl.h b/indra/newview/llavatariconctrl.h
index 426fcec514..65b5c86ed5 100644
--- a/indra/newview/llavatariconctrl.h
+++ b/indra/newview/llavatariconctrl.h
@@ -103,6 +103,8 @@ public:
 	const std::string&	getFirstName() const { return mFirstName; }
 	const std::string&	getLastName() const { return mLastName; }
 
+	void setDrawTooltip(bool value) { mDrawTooltip = value;}
+
 protected:
 	LLUUID				mAvatarId;
 	std::string			mFirstName;
diff --git a/indra/newview/llavatarlist.cpp b/indra/newview/llavatarlist.cpp
index 3a07c6e5ef..e93d0dfa50 100644
--- a/indra/newview/llavatarlist.cpp
+++ b/indra/newview/llavatarlist.cpp
@@ -38,6 +38,7 @@
 #include "llcallingcard.h" // for LLAvatarTracker
 #include "llcachename.h"
 #include "llvoiceclient.h"
+#include "llviewercontrol.h"	// for gSavedSettings
 
 static LLDefaultChildRegistry::Register<LLAvatarList> r("avatar_list");
 
@@ -45,6 +46,21 @@ static LLDefaultChildRegistry::Register<LLAvatarList> r("avatar_list");
 // Used to limit time spent for avatar list update per frame.
 static const unsigned ADD_LIMIT = 50;
 
+void LLAvatarList::toggleIcons()
+{
+	// Save the new value for new items to use.
+	mShowIcons = !mShowIcons;
+	gSavedSettings.setBOOL(mIconParamName, mShowIcons);
+	
+	// Show/hide icons for all existing items.
+	std::vector<LLPanel*> items;
+	getItems(items);
+	for( std::vector<LLPanel*>::const_iterator it = items.begin(); it != items.end(); it++)
+	{
+		static_cast<LLAvatarListItem*>(*it)->setAvatarIconVisible(mShowIcons);
+	}
+}
+
 static bool findInsensitive(std::string haystack, const std::string& needle_upper)
 {
     LLStringUtil::toUpper(haystack);
@@ -73,13 +89,22 @@ LLAvatarList::LLAvatarList(const Params& p)
 	setComparator(&NAME_COMPARATOR);
 }
 
+void LLAvatarList::setShowIcons(std::string param_name)
+{
+	mIconParamName= param_name;
+	mShowIcons = gSavedSettings.getBOOL(mIconParamName);
+}
+
 // virtual
 void LLAvatarList::draw()
 {
-	if (mDirty)
-		refresh();
+	// *NOTE dzaporozhan
+	// Call refresh() after draw() to avoid flickering of avatar list items.
 
 	LLFlatListView::draw();
+
+	if (mDirty)
+		refresh();
 }
 
 void LLAvatarList::setNameFilter(const std::string& filter)
@@ -202,6 +227,7 @@ void LLAvatarList::addNewItem(const LLUUID& id, const std::string& name, BOOL is
 	item->setContextMenu(mContextMenu);
 
 	item->childSetVisible("info_btn", false);
+	item->setAvatarIconVisible(mShowIcons);
 
 	addItem(item, id, pos);
 }
diff --git a/indra/newview/llavatarlist.h b/indra/newview/llavatarlist.h
index a83a72b26c..f60f1f00f3 100644
--- a/indra/newview/llavatarlist.h
+++ b/indra/newview/llavatarlist.h
@@ -70,7 +70,11 @@ public:
 
 	void setContextMenu(LLAvatarListItem::ContextMenu* menu) { mContextMenu = menu; }
 
+	void toggleIcons();
 	void sortByName();
+	void setShowIcons(std::string param_name);
+	bool getIconsVisible() const { return mShowIcons; }
+	const std::string getIconParamName() const{return mIconParamName;}
 	virtual BOOL handleRightMouseDown(S32 x, S32 y, MASK mask);
 
 protected:
@@ -86,7 +90,9 @@ private:
 
 	bool mIgnoreOnlineStatus;
 	bool mDirty;
+	bool mShowIcons;
 
+	std::string				mIconParamName;
 	std::string				mNameFilter;
 	uuid_vector_t			mIDs;
 
diff --git a/indra/newview/llavatarlistitem.cpp b/indra/newview/llavatarlistitem.cpp
index ebc79aae48..4ecb9537ba 100644
--- a/indra/newview/llavatarlistitem.cpp
+++ b/indra/newview/llavatarlistitem.cpp
@@ -42,6 +42,7 @@
 #include "llavatariconctrl.h"
 #include "llbutton.h"
 
+S32 LLAvatarListItem::sIconWidth = 0;
 
 LLAvatarListItem::LLAvatarListItem()
 :	LLPanel(),
@@ -55,6 +56,12 @@ LLAvatarListItem::LLAvatarListItem()
 	mOnlineStatus(E_UNKNOWN)
 {
 	LLUICtrlFactory::getInstance()->buildPanel(this, "panel_avatar_list_item.xml");
+	// Remember avatar icon width including its padding from the name text box,
+	// so that we can hide and show the icon again later.
+	if (!sIconWidth)
+	{
+		sIconWidth = mAvatarName->getRect().mLeft - mAvatarIcon->getRect().mLeft;
+	}
 }
 
 LLAvatarListItem::~LLAvatarListItem()
@@ -188,6 +195,21 @@ void LLAvatarListItem::setAvatarId(const LLUUID& id, bool ignore_status_changes)
 	gCacheName->get(id, FALSE, boost::bind(&LLAvatarListItem::onNameCache, this, _2, _3));
 }
 
+void LLAvatarListItem::setAvatarIconVisible(bool visible)
+{
+	// Already done? Then do nothing.
+	if (mAvatarIcon->getVisible() == (BOOL)visible)
+		return;
+
+	// Show/hide avatar icon.
+	mAvatarIcon->setVisible(visible);
+
+	// Move the avatar name horizontally by icon size + its distance from the avatar name.
+	LLRect name_rect = mAvatarName->getRect();
+	name_rect.mLeft += visible ? sIconWidth : -sIconWidth;
+	mAvatarName->setRect(name_rect);
+}
+
 void LLAvatarListItem::onInfoBtnClick()
 {
 	LLFloaterReg::showInstance("inspect_avatar", LLSD().insert("avatar_id", mAvatarId));
diff --git a/indra/newview/llavatarlistitem.h b/indra/newview/llavatarlistitem.h
index b9cfed4b7b..a8d3919217 100644
--- a/indra/newview/llavatarlistitem.h
+++ b/indra/newview/llavatarlistitem.h
@@ -64,6 +64,7 @@ public:
 	void setOnline(bool online);
 	void setName(const std::string& name);
 	void setAvatarId(const LLUUID& id, bool ignore_status_changes = false);
+	void setAvatarIconVisible(bool visible);
 	
 	const LLUUID& getAvatarId() const;
 	const std::string getAvatarName() const;
@@ -87,7 +88,7 @@ private:
 
 	void onNameCache(const std::string& first_name, const std::string& last_name);
 
-	LLAvatarIconCtrl*mAvatarIcon;
+	LLAvatarIconCtrl* mAvatarIcon;
 	LLTextBox* mAvatarName;
 	LLTextBox* mStatus;
 	
@@ -98,6 +99,7 @@ private:
 
 	LLUUID mAvatarId;
 	EOnlineStatus mOnlineStatus;
+	static S32	sIconWidth; // icon width + padding
 };
 
 #endif //LL_LLAVATARLISTITEM_H
diff --git a/indra/newview/llchannelmanager.cpp b/indra/newview/llchannelmanager.cpp
index 77f941eef0..6427422572 100644
--- a/indra/newview/llchannelmanager.cpp
+++ b/indra/newview/llchannelmanager.cpp
@@ -40,6 +40,8 @@
 #include "llbottomtray.h"
 #include "llviewerwindow.h"
 #include "llrootview.h"
+#include "llsyswellwindow.h"
+#include "llfloaterreg.h"
 
 #include <algorithm>
 
@@ -128,7 +130,7 @@ void LLChannelManager::onLoginCompleted()
 	S32 channel_right_bound = gViewerWindow->getWorldViewRect().mRight - gSavedSettings.getS32("NotificationChannelRightMargin"); 
 	S32 channel_width = gSavedSettings.getS32("NotifyBoxWidth");
 	mStartUpChannel->init(channel_right_bound - channel_width, channel_right_bound);
-	mStartUpChannel->setShowToasts(true);
+	mStartUpChannel->setMouseDownCallback(boost::bind(&LLSysWellWindow::onStartUpToastClick, LLFloaterReg::getTypedInstance<LLSysWellWindow>("syswell_window"), _2, _3, _4));
 
 	mStartUpChannel->setCommitCallback(boost::bind(&LLChannelManager::onStartUpToastClose, this));
 	mStartUpChannel->createStartUpToast(away_notifications, gSavedSettings.getS32("StartUpToastLifeTime"));
diff --git a/indra/newview/llchathistory.cpp b/indra/newview/llchathistory.cpp
index fbb57e35f4..aaca568320 100644
--- a/indra/newview/llchathistory.cpp
+++ b/indra/newview/llchathistory.cpp
@@ -38,9 +38,215 @@
 #include "llscrollcontainer.h"
 #include "llavatariconctrl.h"
 
+#include "llimview.h"
+#include "llcallingcard.h" //for LLAvatarTracker
+#include "llagentdata.h"
+#include "llavataractions.h"
+#include "lltrans.h"
+
 static LLDefaultChildRegistry::Register<LLChatHistory> r("chat_history");
 static const std::string MESSAGE_USERNAME_DATE_SEPARATOR(" ----- ");
 
+std::string formatCurrentTime()
+{
+	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;
+}
+
+class LLChatHistoryHeader: public LLPanel
+{
+public:
+	static LLChatHistoryHeader* createInstance(const std::string& file_name)
+	{
+		LLChatHistoryHeader* pInstance = new LLChatHistoryHeader;
+		LLUICtrlFactory::getInstance()->buildPanel(pInstance, file_name);	
+		return pInstance;
+	}
+
+	BOOL handleMouseUp(S32 x, S32 y, MASK mask)
+	{
+		return LLPanel::handleMouseUp(x,y,mask);
+	}
+
+	void onAvatarIconContextMenuItemClicked(const LLSD& userdata)
+	{
+		std::string level = userdata.asString();
+
+		if (level == "profile")
+		{
+			LLAvatarActions::showProfile(getAvatarId());
+		}
+		else if (level == "im")
+		{
+			LLAvatarActions::startIM(getAvatarId());
+		}
+		else if (level == "add")
+		{
+			std::string name;
+			name.assign(getFirstName());
+			name.append(" ");
+			name.append(getLastName());
+
+			LLAvatarActions::requestFriendshipDialog(getAvatarId(), name);
+		}
+		else if (level == "remove")
+		{
+			LLAvatarActions::removeFriendDialog(getAvatarId());
+		}
+	}
+
+	BOOL postBuild()
+	{
+		LLUICtrl::CommitCallbackRegistry::ScopedRegistrar registrar;
+
+		registrar.add("AvatarIcon.Action", boost::bind(&LLChatHistoryHeader::onAvatarIconContextMenuItemClicked, this, _2));
+
+		LLMenuGL* menu = LLUICtrlFactory::getInstance()->createFromFile<LLMenuGL>("menu_avatar_icon.xml", gMenuHolder, LLViewerMenuHolderGL::child_registry_t::instance());
+
+		mPopupMenuHandleAvatar = menu->getHandle();
+
+		return LLPanel::postBuild();
+	}
+
+	bool pointInChild(const std::string& name,S32 x,S32 y)
+	{
+		LLUICtrl* child = findChild<LLUICtrl>(name);
+		if(!child)
+			return false;
+		
+		LLView* parent = child->getParent();
+		if(parent!=this)
+		{
+			x-=parent->getRect().mLeft;
+			y-=parent->getRect().mBottom;
+		}
+
+		S32 local_x = x - child->getRect().mLeft ;
+		S32 local_y = y - child->getRect().mBottom ;
+		return 	child->pointInView(local_x, local_y);
+	}
+
+	BOOL handleRightMouseDown(S32 x, S32 y, MASK mask)
+	{
+		if(pointInChild("avatar_icon",x,y) || pointInChild("user_name",x,y))
+		{
+			showContextMenu(x,y);
+			return TRUE;
+		}
+
+		return LLPanel::handleRightMouseDown(x,y,mask);
+	}
+	const LLUUID&		getAvatarId () const { return mAvatarID;}
+	const std::string&	getFirstName() const { return mFirstName; }
+	const std::string&	getLastName	() const { return mLastName; }
+
+	void setup(const LLChat& chat) 
+	{
+		mAvatarID = chat.mFromID;
+		mSourceType = chat.mSourceType;
+		gCacheName->get(mAvatarID, FALSE, boost::bind(&LLChatHistoryHeader::nameUpdatedCallback, this, _1, _2, _3, _4));
+		if(chat.mFromID.isNull())
+		{
+			mSourceType = CHAT_SOURCE_SYSTEM;
+		}
+
+
+		LLTextBox* userName = getChild<LLTextBox>("user_name");
+		
+		if(!chat.mFromName.empty())
+			userName->setValue(chat.mFromName);
+		else
+		{
+			std::string SL = LLTrans::getString("SECOND_LIFE");
+			userName->setValue(SL);
+		}
+		
+		LLTextBox* timeBox = getChild<LLTextBox>("time_box");
+		timeBox->setValue(formatCurrentTime());
+
+		LLAvatarIconCtrl* icon = getChild<LLAvatarIconCtrl>("avatar_icon");
+
+		if(mSourceType != CHAT_SOURCE_AGENT)
+			icon->setDrawTooltip(false);
+
+		if(!chat.mFromID.isNull())
+		{
+			icon->setValue(chat.mFromID);
+		}
+
+	} 
+
+	void nameUpdatedCallback(const LLUUID& id,const std::string& first,const std::string& last,BOOL is_group)
+	{
+		if (id != mAvatarID)
+			return;
+		mFirstName = first;
+		mLastName = last;
+	}
+protected:
+	void showContextMenu(S32 x,S32 y)
+	{
+		if(mSourceType == CHAT_SOURCE_SYSTEM)
+			showSystemContextMenu(x,y);
+		if(mSourceType == CHAT_SOURCE_AGENT)
+			showAvatarContextMenu(x,y);
+		if(mSourceType == CHAT_SOURCE_OBJECT)
+			showObjectContextMenu(x,y);
+	}
+
+	void showSystemContextMenu(S32 x,S32 y)
+	{
+	}
+	void showObjectContextMenu(S32 x,S32 y)
+	{
+	}
+	
+	void showAvatarContextMenu(S32 x,S32 y)
+	{
+		LLMenuGL* menu = (LLMenuGL*)mPopupMenuHandleAvatar.get();
+
+		if(menu)
+		{
+			bool is_friend = LLAvatarTracker::instance().getBuddyInfo(mAvatarID) != NULL;
+			
+			menu->setItemEnabled("Add Friend", !is_friend);
+			menu->setItemEnabled("Remove Friend", is_friend);
+
+			if(gAgentID == mAvatarID)
+			{
+				menu->setItemEnabled("Add Friend", false);
+				menu->setItemEnabled("Send IM", false);
+				menu->setItemEnabled("Remove Friend", false);
+			}
+
+			menu->buildDrawLabels();
+			menu->updateParent(LLMenuGL::sMenuContainer);
+			LLMenuGL::showPopup(this, menu, x, y);
+		}
+	}
+
+	
+
+protected:
+	LLHandle<LLView>	mPopupMenuHandleAvatar;
+
+	LLUUID			    mAvatarID;
+	EChatSourceType		mSourceType;
+	std::string			mFirstName;
+	std::string			mLastName;
+
+};
+
+
 LLChatHistory::LLChatHistory(const LLChatHistory::Params& p)
 : LLTextEditor(p),
 mMessageHeaderFilename(p.message_header),
@@ -78,35 +284,27 @@ LLView* LLChatHistory::getSeparator()
 	return separator;
 }
 
-LLView* LLChatHistory::getHeader(const LLUUID& avatar_id, std::string& from, std::string& time)
+LLView* LLChatHistory::getHeader(const LLChat& chat)
 {
-	LLPanel* header = LLUICtrlFactory::getInstance()->createFromFile<LLPanel>(mMessageHeaderFilename, NULL, LLPanel::child_registry_t::instance());
-	LLTextBox* userName = header->getChild<LLTextBox>("user_name");
-	userName->setValue(from);
-	LLTextBox* timeBox = header->getChild<LLTextBox>("time_box");
-	timeBox->setValue(time);
-	if(!avatar_id.isNull())
-	{
-		LLAvatarIconCtrl* icon = header->getChild<LLAvatarIconCtrl>("avatar_icon");
-		icon->setValue(avatar_id);
-	}
+	LLChatHistoryHeader* header = LLChatHistoryHeader::createInstance(mMessageHeaderFilename);
+	header->setup(chat);
 	return header;
 }
 
-void LLChatHistory::appendWidgetMessage(const LLUUID& avatar_id, std::string& from, std::string& time, std::string& message, LLStyle::Params& style_params)
+void LLChatHistory::appendWidgetMessage(const LLChat& chat, LLStyle::Params& style_params)
 {
 	LLView* view = NULL;
 	std::string view_text;
 
-	if (mLastFromName == from)
+	if (mLastFromName == chat.mFromName)
 	{
 		view = getSeparator();
 		view_text = "\n";
 	}
 	else
 	{
-		view = getHeader(avatar_id, from, time);
-		view_text = from + MESSAGE_USERNAME_DATE_SEPARATOR + time + '\n';
+		view = getHeader(chat);
+		view_text = chat.mFromName + MESSAGE_USERNAME_DATE_SEPARATOR + formatCurrentTime() + '\n';
 	}
 	//Prepare the rect for the view
 	LLRect target_rect = getDocumentView()->getRect();
@@ -125,10 +323,10 @@ void LLChatHistory::appendWidgetMessage(const LLUUID& avatar_id, std::string& fr
 	appendWidget(p, view_text, false);
 
 	//Append the text message
-	message += '\n';
+	std::string message = chat.mText + '\n';
 	appendText(message, FALSE, style_params);
 
-	mLastFromName = from;
+	mLastFromName = chat.mFromName;
 	blockUndo();
 	setCursorAndScrollToEnd();
 }
diff --git a/indra/newview/llchathistory.h b/indra/newview/llchathistory.h
index 69066a0110..92dcfdd958 100644
--- a/indra/newview/llchathistory.h
+++ b/indra/newview/llchathistory.h
@@ -34,6 +34,7 @@
 #define LLCHATHISTORY_H_
 
 #include "lltexteditor.h"
+#include "llchat.h"
 
 //Chat log widget allowing addition of a message as a widget 
 class LLChatHistory : public LLTextEditor
@@ -85,7 +86,7 @@ class LLChatHistory : public LLTextEditor
 		 * @param time time of a message.
 		 * @return pointer to LLView header object.
 		 */
-		LLView* getHeader(const LLUUID& avatar_id, std::string& from, std::string& time);
+		LLView* getHeader(const LLChat& chat);
 
 	public:
 		~LLChatHistory();
@@ -94,11 +95,11 @@ class LLChatHistory : public LLTextEditor
 		 * Appends a widget message.
 		 * If last user appended message, concurs with current user,
 		 * separator is added before the message, otherwise header is added.
-		 * @param from owner of a message.
+		 * @param chat - base chat message.
 		 * @param time time of a message.
 		 * @param message message itself.
 		 */
-		void appendWidgetMessage(const LLUUID& avatar_id, std::string& from, std::string& time, std::string& message, LLStyle::Params& style_params);
+		void appendWidgetMessage(const LLChat& chat, LLStyle::Params& style_params);
 
 	private:
 		std::string mLastFromName;
diff --git a/indra/newview/llfavoritesbar.cpp b/indra/newview/llfavoritesbar.cpp
index 3b5b7f570e..a6afbc05be 100644
--- a/indra/newview/llfavoritesbar.cpp
+++ b/indra/newview/llfavoritesbar.cpp
@@ -503,13 +503,15 @@ void LLFavoritesBarCtrl::handleNewFavoriteDragAndDrop(LLInventoryItem *item, con
 		return;
 	}
 
+	LLPointer<LLViewerInventoryItem> viewer_item = new LLViewerInventoryItem(item);
+
 	if (dest)
 	{
-		insertBeforeItem(mItems, dest->getLandmarkId(), item->getUUID());
+		insertBeforeItem(mItems, dest->getLandmarkId(), viewer_item);
 	}
 	else
 	{
-		mItems.push_back(gInventory.getItem(item->getUUID()));
+		mItems.push_back(viewer_item);
 	}
 
 	int sortField = 0;
@@ -534,13 +536,22 @@ void LLFavoritesBarCtrl::handleNewFavoriteDragAndDrop(LLInventoryItem *item, con
 		}
 	}
 
-	copy_inventory_item(
-			gAgent.getID(),
-			item->getPermissions().getOwner(),
-			item->getUUID(),
-			favorites_id,
-			std::string(),
-			cb);
+	LLToolDragAndDrop* tool_dad = LLToolDragAndDrop::getInstance();
+	if (tool_dad->getSource() == LLToolDragAndDrop::SOURCE_NOTECARD)
+	{
+		viewer_item->setType(LLAssetType::AT_FAVORITE);
+		copy_inventory_from_notecard(tool_dad->getObjectID(), tool_dad->getSourceID(), viewer_item.get(), gInventoryCallbacks.registerCB(cb));
+	}
+	else
+	{
+		copy_inventory_item(
+				gAgent.getID(),
+				item->getPermissions().getOwner(),
+				item->getUUID(),
+				favorites_id,
+				std::string(),
+				cb);
+	}
 
 	llinfos << "Copied inventory item #" << item->getUUID() << " to favorites." << llendl;
 }
@@ -1263,10 +1274,9 @@ void LLFavoritesBarCtrl::updateItemsOrder(LLInventoryModel::item_array_t& items,
 	items.insert(findItemByUUID(items, destItem->getUUID()), srcItem);
 }
 
-void LLFavoritesBarCtrl::insertBeforeItem(LLInventoryModel::item_array_t& items, const LLUUID& beforeItemId, const LLUUID& insertedItemId)
+void LLFavoritesBarCtrl::insertBeforeItem(LLInventoryModel::item_array_t& items, const LLUUID& beforeItemId, LLViewerInventoryItem* insertedItem)
 {
 	LLViewerInventoryItem* beforeItem = gInventory.getItem(beforeItemId);
-	LLViewerInventoryItem* insertedItem = gInventory.getItem(insertedItemId);
 
 	items.insert(findItemByUUID(items, beforeItem->getUUID()), insertedItem);
 }
diff --git a/indra/newview/llfavoritesbar.h b/indra/newview/llfavoritesbar.h
index ea2a3d08e2..e90d13f9d5 100644
--- a/indra/newview/llfavoritesbar.h
+++ b/indra/newview/llfavoritesbar.h
@@ -141,7 +141,7 @@ private:
 	 * inserts an item identified by insertedItemId BEFORE an item identified by beforeItemId.
 	 * this function assumes that an item identified by insertedItemId doesn't exist in items array.
 	 */
-	void insertBeforeItem(LLInventoryModel::item_array_t& items, const LLUUID& beforeItemId, const LLUUID& insertedItemId);
+	void insertBeforeItem(LLInventoryModel::item_array_t& items, const LLUUID& beforeItemId, LLViewerInventoryItem* insertedItem);
 
 	// finds an item by it's UUID in the items array
 	LLInventoryModel::item_array_t::iterator findItemByUUID(LLInventoryModel::item_array_t& items, const LLUUID& id);
diff --git a/indra/newview/llfloaterchatterbox.cpp b/indra/newview/llfloaterchatterbox.cpp
index dea656b0e4..fbf09207fe 100644
--- a/indra/newview/llfloaterchatterbox.cpp
+++ b/indra/newview/llfloaterchatterbox.cpp
@@ -42,7 +42,7 @@
 #include "llfloaterfriends.h"
 #include "llfloatergroups.h"
 #include "llviewercontrol.h"
-#include "llimview.h"
+#include "llvoicechannel.h"
 #include "llimpanel.h"
 
 //
diff --git a/indra/newview/llfloaterinventory.cpp b/indra/newview/llfloaterinventory.cpp
index c890f9f122..a47916b7d7 100644
--- a/indra/newview/llfloaterinventory.cpp
+++ b/indra/newview/llfloaterinventory.cpp
@@ -1438,7 +1438,11 @@ void LLInventoryPanel::modelChanged(U32 mask)
 						}
 
 						LLFolderViewFolder* new_parent = (LLFolderViewFolder*)mFolders->getItemByID(model_item->getParentUUID());
-						if (view_item->getParentFolder() != new_parent)
+
+						// added check against NULL for cases when Inventory panel contains startFolder.
+						// in this case parent is LLFolderView (LLInventoryPanel::mFolders) itself.
+						// this check is a fix for bug EXT-1859.
+						if (NULL != new_parent && view_item->getParentFolder() != new_parent)
 						{
 							view_item->getParentFolder()->extractItem(view_item);
 							view_item->addToFolder(new_parent, mFolders);
diff --git a/indra/newview/llfloatervoicedevicesettings.cpp b/indra/newview/llfloatervoicedevicesettings.cpp
index b64257b11d..aca9198f59 100644
--- a/indra/newview/llfloatervoicedevicesettings.cpp
+++ b/indra/newview/llfloatervoicedevicesettings.cpp
@@ -43,7 +43,7 @@
 #include "llsliderctrl.h"
 #include "llviewercontrol.h"
 #include "llvoiceclient.h"
-#include "llimpanel.h"
+#include "llvoicechannel.h"
 
 // Library includes (after viewer)
 #include "lluictrlfactory.h"
diff --git a/indra/newview/llimfloater.cpp b/indra/newview/llimfloater.cpp
index a20b5ea66c..b86795f696 100644
--- a/indra/newview/llimfloater.cpp
+++ b/indra/newview/llimfloater.cpp
@@ -42,7 +42,6 @@
 #include "llchiclet.h"
 #include "llfloaterchat.h"
 #include "llfloaterreg.h"
-#include "llimview.h"
 #include "lllineeditor.h"
 #include "lllogchat.h"
 #include "llpanelimcontrolpanel.h"
@@ -50,6 +49,7 @@
 #include "lltrans.h"
 #include "llchathistory.h"
 #include "llviewerwindow.h"
+#include "llvoicechannel.h"
 #include "lltransientfloatermgr.h"
 
 
@@ -61,7 +61,14 @@ LLIMFloater::LLIMFloater(const LLUUID& session_id)
 	mLastMessageIndex(-1),
 	mDialog(IM_NOTHING_SPECIAL),
 	mChatHistory(NULL),
-	mInputEditor(NULL), 
+	mInputEditor(NULL),
+	mSavedTitle(),
+	mTypingStart(),
+	mShouldSendTypingState(false),
+	mMeTyping(false),
+	mOtherTyping(false),
+	mTypingTimer(),
+	mTypingTimeoutTimer(),
 	mPositioned(false),
 	mSessionInitialized(false)
 {
@@ -71,12 +78,15 @@ LLIMFloater::LLIMFloater(const LLUUID& session_id)
 		mSessionInitialized = im_session->mSessionInitialized;
 		
 		mDialog = im_session->mType;
-		if (IM_NOTHING_SPECIAL == mDialog || IM_SESSION_P2P_INVITE == mDialog)
-		{
+		switch(mDialog){
+		case IM_NOTHING_SPECIAL:
+		case IM_SESSION_P2P_INVITE:
 			mFactoryMap["panel_im_control_panel"] = LLCallbackMap(createPanelIMControl, this);
-		}
-		else
-		{
+			break;
+		case IM_SESSION_CONFERENCE_START:
+			mFactoryMap["panel_im_control_panel"] = LLCallbackMap(createPanelAdHocControl, this);
+			break;
+		default:
 			mFactoryMap["panel_im_control_panel"] = LLCallbackMap(createPanelGroupControl, this);
 		}
 	}
@@ -95,6 +105,7 @@ void LLIMFloater::onFocusReceived()
 // virtual
 void LLIMFloater::onClose(bool app_quitting)
 {
+	setTyping(false);
 	gIMMgr->leaveSession(mSessionID);
 }
 
@@ -141,6 +152,7 @@ void LLIMFloater::onSendMsg( LLUICtrl* ctrl, void* userdata )
 {
 	LLIMFloater* self = (LLIMFloater*) userdata;
 	self->sendMsg();
+	self->setTyping(false);
 }
 
 void LLIMFloater::sendMsg()
@@ -193,9 +205,10 @@ BOOL LLIMFloater::postBuild()
 	if (other_party_id.notNull())
 	{
 		mOtherParticipantUUID = other_party_id;
-		mControlPanel->setID(mOtherParticipantUUID);
 	}
 
+	mControlPanel->setSessionId(mSessionID);
+
 	LLButton* slide_left = getChild<LLButton>("slide_left_btn");
 	slide_left->setVisible(mControlPanel->getVisible());
 	slide_left->setClickedCallback(boost::bind(&LLIMFloater::onSlide, this));
@@ -228,12 +241,37 @@ BOOL LLIMFloater::postBuild()
 		LLLogChat::loadHistory(getTitle(), &chatFromLogFile, (void *)this);
 	}
 
+	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"));
+	}
+
 	//*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)
 
 	return LLDockableFloater::postBuild();
 }
 
+// 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);
+		}
+	}
+
+	LLFloater::draw();
+}
 
 
 // static
@@ -255,6 +293,15 @@ void* LLIMFloater::createPanelGroupControl(void* userdata)
 	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()
 {
 	LLPanel* im_control_panel = getChild<LLPanel>("panel_im_control_panel");
@@ -379,10 +426,12 @@ 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);
 	}
 	
 	//*TODO here we should remove "starting session..." warning message if we added it in postBuild() (IB)
@@ -402,7 +451,8 @@ void LLIMFloater::sessionInitReplyReceived(const LLUUID& im_session_id)
 
 void LLIMFloater::updateMessages()
 {
-	std::list<LLSD> messages = LLIMModel::instance().getMessages(mSessionID, mLastMessageIndex+1);
+	std::list<LLSD> messages;
+	LLIMModel::instance().getMessages(mSessionID, messages, mLastMessageIndex+1);
 	std::string agent_name;
 
 	gCacheName->getFullName(gAgentID, agent_name);
@@ -428,7 +478,11 @@ void LLIMFloater::updateMessages()
 			if (from == agent_name)
 				from = LLTrans::getString("You");
 
-			mChatHistory->appendWidgetMessage(from_id, from, time, message, style_params);
+			LLChat chat(message);
+			chat.mFromID = from_id;
+			chat.mFromName = from;
+
+			mChatHistory->appendWidgetMessage(chat, style_params);
 
 			mLastMessageIndex = msg["index"].asInteger();
 		}
@@ -440,9 +494,14 @@ void LLIMFloater::onInputEditorFocusReceived( LLFocusableElement* caller, void*
 {
 	LLIMFloater* self= (LLIMFloater*) userdata;
 
-	//in disconnected state IM input editor should be disabled
-	self->mInputEditor->setEnabled(!gDisconnected);
-
+	// Allow enabling the LLIMFloater input editor only if session can accept text
+	LLIMModel::LLIMSession* im_session =
+		LLIMModel::instance().findIMSession(self->mSessionID);
+	if( im_session && im_session->mTextIMPossible )
+	{
+		//in disconnected state IM input editor should be disabled
+		self->mInputEditor->setEnabled(!gDisconnected);
+	}
 	self->mChatHistory->setCursorAndScrollToEnd();
 }
 
@@ -450,7 +509,7 @@ void LLIMFloater::onInputEditorFocusReceived( LLFocusableElement* caller, void*
 void LLIMFloater::onInputEditorFocusLost(LLFocusableElement* caller, void* userdata)
 {
 	LLIMFloater* self = (LLIMFloater*) userdata;
-	self->setTyping(FALSE);
+	self->setTyping(false);
 }
 
 // static
@@ -460,19 +519,142 @@ void LLIMFloater::onInputEditorKeystroke(LLLineEditor* caller, void* userdata)
 	std::string text = self->mInputEditor->getText();
 	if (!text.empty())
 	{
-		self->setTyping(TRUE);
+		self->setTyping(true);
 	}
 	else
 	{
 		// Deleting all text counts as stopping typing.
-		self->setTyping(FALSE);
+		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;
+		}
+	}
 
-//just a stub for now
-void LLIMFloater::setTyping(BOOL typing)
+	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::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);
+	}
+}
+
+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;
+
+		// Create typing is started title string
+		LLUIString typing_start(mTypingStart);
+		typing_start.setArg("[NAME]", im_info->mName);
+
+		// Save and set new title
+		mSavedTitle = getTitle();
+		setTitle (typing_start);
+
+		// 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);
+			}
+		}
+
+	}
 }
 
 void LLIMFloater::chatFromLogFile(LLLogChat::ELogLineType type, std::string line, void* userdata)
diff --git a/indra/newview/llimfloater.h b/indra/newview/llimfloater.h
index 99810b6d6d..3da27ac941 100644
--- a/indra/newview/llimfloater.h
+++ b/indra/newview/llimfloater.h
@@ -55,6 +55,8 @@ public:
 	// LLView overrides
 	/*virtual*/ BOOL postBuild();
 	/*virtual*/ void setVisible(BOOL visible);
+	// Check typing timeout timer.
+	/*virtual*/ void draw();
 
 	// LLFloater overrides
 	/*virtual*/ void onClose(bool app_quitting);
@@ -85,6 +87,8 @@ public:
 	void setPositioned(bool b) { mPositioned = b; };
 
 	void onVisibilityChange(const LLSD& new_visibility);
+	void processIMTyping(const LLIMInfo* im_info, BOOL typing);
+	void processSessionUpdate(const LLSD& session_update);
 
 private:
 	// process focus events to set a currently active session
@@ -94,15 +98,21 @@ private:
 	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			setTyping(bool typing);
 	void			onSlide();
 	static void*	createPanelIMControl(void* userdata);
 	static void*	createPanelGroupControl(void* userdata);
+	static void* 	createPanelAdHocControl(void* userdata);
 	// gets a rect that bounds possible positions for the LLIMFloater on a screen (EXT-1111)
 	void getAllowedRect(LLRect& rect);
 
 	static void chatFromLogFile(LLLogChat::ELogLineType type, std::string line, void* userdata);
 
+	// Add the "User is typing..." indicator.
+	void addTypingIndicator(const LLIMInfo* im_info);
+
+	// Remove the "User is typing..." indicator.
+	void removeTypingIndicator(const LLIMInfo* im_info = NULL);
 
 	LLPanelChatControlPanel* mControlPanel;
 	LLUUID mSessionID;
@@ -114,6 +124,14 @@ private:
 	LLLineEditor* mInputEditor;
 	bool mPositioned;
 
+	std::string mSavedTitle;
+	LLUIString mTypingStart;
+	bool mMeTyping;
+	bool mOtherTyping;
+	bool mShouldSendTypingState;
+	LLFrameTimer mTypingTimer;
+	LLFrameTimer mTypingTimeoutTimer;
+
 	bool mSessionInitialized;
 	LLSD mQueuedMsgsForInit;
 };
diff --git a/indra/newview/llimpanel.cpp b/indra/newview/llimpanel.cpp
index 163984f740..77ee90f681 100644
--- a/indra/newview/llimpanel.cpp
+++ b/indra/newview/llimpanel.cpp
@@ -54,6 +54,7 @@
 #include "llconsole.h"
 #include "llgroupactions.h"
 #include "llfloater.h"
+#include "llfloateractivespeakers.h"
 #include "llfloatercall.h"
 #include "llavataractions.h"
 #include "llimview.h"
@@ -77,6 +78,7 @@
 #include "llviewercontrol.h"
 #include "lluictrlfactory.h"
 #include "llviewerwindow.h"
+#include "llvoicechannel.h"
 #include "lllogchat.h"
 #include "llweb.h"
 #include "llhttpclient.h"
@@ -90,7 +92,6 @@
 const S32 LINE_HEIGHT = 16;
 const S32 MIN_WIDTH = 200;
 const S32 MIN_HEIGHT = 130;
-const U32 DEFAULT_RETRIES_COUNT = 3;
 
 //
 // Statics
@@ -100,831 +101,6 @@ static std::string sTitleString = "Instant Message with [NAME]";
 static std::string sTypingStartString = "[NAME]: ...";
 static std::string sSessionStartString = "Starting session with [NAME] please wait.";
 
-LLVoiceChannel::voice_channel_map_t LLVoiceChannel::sVoiceChannelMap;
-LLVoiceChannel::voice_channel_map_uri_t LLVoiceChannel::sVoiceChannelURIMap;
-LLVoiceChannel* LLVoiceChannel::sCurrentVoiceChannel = NULL;
-LLVoiceChannel* LLVoiceChannel::sSuspendedVoiceChannel = NULL;
-
-BOOL LLVoiceChannel::sSuspended = FALSE;
-
-
-
-class LLVoiceCallCapResponder : public LLHTTPClient::Responder
-{
-public:
-	LLVoiceCallCapResponder(const LLUUID& session_id) : mSessionID(session_id) {};
-
-	virtual void error(U32 status, const std::string& reason);	// called with bad status codes
-	virtual void result(const LLSD& content);
-
-private:
-	LLUUID mSessionID;
-};
-
-
-void LLVoiceCallCapResponder::error(U32 status, const std::string& reason)
-{
-	llwarns << "LLVoiceCallCapResponder::error("
-		<< status << ": " << reason << ")"
-		<< llendl;
-	LLVoiceChannel* channelp = LLVoiceChannel::getChannelByID(mSessionID);
-	if ( channelp )
-	{
-		if ( 403 == status )
-		{
-			//403 == no ability
-			LLNotifications::instance().add(
-				"VoiceNotAllowed",
-				channelp->getNotifyArgs());
-		}
-		else
-		{
-			LLNotifications::instance().add(
-				"VoiceCallGenericError",
-				channelp->getNotifyArgs());
-		}
-		channelp->deactivate();
-	}
-}
-
-void LLVoiceCallCapResponder::result(const LLSD& content)
-{
-	LLVoiceChannel* channelp = LLVoiceChannel::getChannelByID(mSessionID);
-	if (channelp)
-	{
-		//*TODO: DEBUG SPAM
-		LLSD::map_const_iterator iter;
-		for(iter = content.beginMap(); iter != content.endMap(); ++iter)
-		{
-			llinfos << "LLVoiceCallCapResponder::result got " 
-				<< iter->first << llendl;
-		}
-
-		channelp->setChannelInfo(
-			content["voice_credentials"]["channel_uri"].asString(),
-			content["voice_credentials"]["channel_credentials"].asString());
-	}
-}
-
-//
-// LLVoiceChannel
-//
-LLVoiceChannel::LLVoiceChannel(const LLUUID& session_id, const std::string& session_name) : 
-	mSessionID(session_id), 
-	mState(STATE_NO_CHANNEL_INFO), 
-	mSessionName(session_name),
-	mIgnoreNextSessionLeave(FALSE)
-{
-	mNotifyArgs["VOICE_CHANNEL_NAME"] = mSessionName;
-
-	if (!sVoiceChannelMap.insert(std::make_pair(session_id, this)).second)
-	{
-		// a voice channel already exists for this session id, so this instance will be orphaned
-		// the end result should simply be the failure to make voice calls
-		llwarns << "Duplicate voice channels registered for session_id " << session_id << llendl;
-	}
-
-	LLVoiceClient::getInstance()->addObserver(this);
-}
-
-LLVoiceChannel::~LLVoiceChannel()
-{
-	// Don't use LLVoiceClient::getInstance() here -- this can get called during atexit() time and that singleton MAY have already been destroyed.
-	if(gVoiceClient)
-	{
-		gVoiceClient->removeObserver(this);
-	}
-	
-	sVoiceChannelMap.erase(mSessionID);
-	sVoiceChannelURIMap.erase(mURI);
-}
-
-void LLVoiceChannel::setChannelInfo(
-	const std::string& uri,
-	const std::string& credentials)
-{
-	setURI(uri);
-
-	mCredentials = credentials;
-
-	if (mState == STATE_NO_CHANNEL_INFO)
-	{
-		if (mURI.empty())
-		{
-			LLNotifications::instance().add("VoiceChannelJoinFailed", mNotifyArgs);
-			llwarns << "Received empty URI for channel " << mSessionName << llendl;
-			deactivate();
-		}
-		else if (mCredentials.empty())
-		{
-			LLNotifications::instance().add("VoiceChannelJoinFailed", mNotifyArgs);
-			llwarns << "Received empty credentials for channel " << mSessionName << llendl;
-			deactivate();
-		}
-		else
-		{
-			setState(STATE_READY);
-
-			// if we are supposed to be active, reconnect
-			// this will happen on initial connect, as we request credentials on first use
-			if (sCurrentVoiceChannel == this)
-			{
-				// just in case we got new channel info while active
-				// should move over to new channel
-				activate();
-			}
-		}
-	}
-}
-
-void LLVoiceChannel::onChange(EStatusType type, const std::string &channelURI, bool proximal)
-{
-	if (channelURI != mURI)
-	{
-		return;
-	}
-
-	if (type < BEGIN_ERROR_STATUS)
-	{
-		handleStatusChange(type);
-	}
-	else
-	{
-		handleError(type);
-	}
-}
-
-void LLVoiceChannel::handleStatusChange(EStatusType type)
-{
-	// status updates
-	switch(type)
-	{
-	case STATUS_LOGIN_RETRY:
-		//mLoginNotificationHandle = LLNotifyBox::showXml("VoiceLoginRetry")->getHandle();
-		LLNotifications::instance().add("VoiceLoginRetry");
-		break;
-	case STATUS_LOGGED_IN:
-		//if (!mLoginNotificationHandle.isDead())
-		//{
-		//	LLNotifyBox* notifyp = (LLNotifyBox*)mLoginNotificationHandle.get();
-		//	if (notifyp)
-		//	{
-		//		notifyp->close();
-		//	}
-		//	mLoginNotificationHandle.markDead();
-		//}
-		break;
-	case STATUS_LEFT_CHANNEL:
-		if (callStarted() && !mIgnoreNextSessionLeave && !sSuspended)
-		{
-			// if forceably removed from channel
-			// update the UI and revert to default channel
-			LLNotifications::instance().add("VoiceChannelDisconnected", mNotifyArgs);
-			deactivate();
-		}
-		mIgnoreNextSessionLeave = FALSE;
-		break;
-	case STATUS_JOINING:
-		if (callStarted())
-		{
-			setState(STATE_RINGING);
-		}
-		break;
-	case STATUS_JOINED:
-		if (callStarted())
-		{
-			setState(STATE_CONNECTED);
-		}
-	default:
-		break;
-	}
-}
-
-// default behavior is to just deactivate channel
-// derived classes provide specific error messages
-void LLVoiceChannel::handleError(EStatusType type)
-{
-	deactivate();
-	setState(STATE_ERROR);
-}
-
-BOOL LLVoiceChannel::isActive()
-{ 
-	// only considered active when currently bound channel matches what our channel
-	return callStarted() && LLVoiceClient::getInstance()->getCurrentChannel() == mURI; 
-}
-
-BOOL LLVoiceChannel::callStarted()
-{
-	return mState >= STATE_CALL_STARTED;
-}
-
-void LLVoiceChannel::deactivate()
-{
-	if (mState >= STATE_RINGING)
-	{
-		// ignore session leave event
-		mIgnoreNextSessionLeave = TRUE;
-	}
-
-	if (callStarted())
-	{
-		setState(STATE_HUNG_UP);
-		// mute the microphone if required when returning to the proximal channel
-		if (gSavedSettings.getBOOL("AutoDisengageMic") && sCurrentVoiceChannel == this)
-		{
-			gSavedSettings.setBOOL("PTTCurrentlyEnabled", true);
-		}
-	}
-
-	if (sCurrentVoiceChannel == this)
-	{
-		// default channel is proximal channel
-		sCurrentVoiceChannel = LLVoiceChannelProximal::getInstance();
-		sCurrentVoiceChannel->activate();
-	}
-}
-
-void LLVoiceChannel::activate()
-{
-	if (callStarted())
-	{
-		return;
-	}
-
-	// deactivate old channel and mark ourselves as the active one
-	if (sCurrentVoiceChannel != this)
-	{
-		// mark as current before deactivating the old channel to prevent
-		// activating the proximal channel between IM calls
-		LLVoiceChannel* old_channel = sCurrentVoiceChannel;
-		sCurrentVoiceChannel = this;
-		if (old_channel)
-		{
-			old_channel->deactivate();
-		}
-	}
-
-	if (mState == STATE_NO_CHANNEL_INFO)
-	{
-		// responsible for setting status to active
-		getChannelInfo();
-	}
-	else
-	{
-		setState(STATE_CALL_STARTED);
-	}
-}
-
-void LLVoiceChannel::getChannelInfo()
-{
-	// pretend we have everything we need
-	if (sCurrentVoiceChannel == this)
-	{
-		setState(STATE_CALL_STARTED);
-	}
-}
-
-//static 
-LLVoiceChannel* LLVoiceChannel::getChannelByID(const LLUUID& session_id)
-{
-	voice_channel_map_t::iterator found_it = sVoiceChannelMap.find(session_id);
-	if (found_it == sVoiceChannelMap.end())
-	{
-		return NULL;
-	}
-	else
-	{
-		return found_it->second;
-	}
-}
-
-//static 
-LLVoiceChannel* LLVoiceChannel::getChannelByURI(std::string uri)
-{
-	voice_channel_map_uri_t::iterator found_it = sVoiceChannelURIMap.find(uri);
-	if (found_it == sVoiceChannelURIMap.end())
-	{
-		return NULL;
-	}
-	else
-	{
-		return found_it->second;
-	}
-}
-
-void LLVoiceChannel::updateSessionID(const LLUUID& new_session_id)
-{
-	sVoiceChannelMap.erase(sVoiceChannelMap.find(mSessionID));
-	mSessionID = new_session_id;
-	sVoiceChannelMap.insert(std::make_pair(mSessionID, this));
-}
-
-void LLVoiceChannel::setURI(std::string uri)
-{
-	sVoiceChannelURIMap.erase(mURI);
-	mURI = uri;
-	sVoiceChannelURIMap.insert(std::make_pair(mURI, this));
-}
-
-void LLVoiceChannel::setState(EState state)
-{
-	switch(state)
-	{
-	case STATE_RINGING:
-		gIMMgr->addSystemMessage(mSessionID, "ringing", mNotifyArgs);
-		break;
-	case STATE_CONNECTED:
-		gIMMgr->addSystemMessage(mSessionID, "connected", mNotifyArgs);
-		break;
-	case STATE_HUNG_UP:
-		gIMMgr->addSystemMessage(mSessionID, "hang_up", mNotifyArgs);
-		break;
-	default:
-		break;
-	}
-
-	mState = state;
-}
-
-void LLVoiceChannel::toggleCallWindowIfNeeded(EState state)
-{
-	if (state == STATE_CONNECTED)
-	{
-		LLFloaterReg::showInstance("voice_call", mSessionID);
-	}
-	// By checking that current state is CONNECTED we make sure that the call window
-	// has been shown, hence there's something to hide. This helps when user presses
-	// the "End call" button right after initiating the call.
-	// *TODO: move this check to LLFloaterCall?
-	else if (state == STATE_HUNG_UP && mState == STATE_CONNECTED)
-	{
-		LLFloaterReg::hideInstance("voice_call", mSessionID);
-	}
-}
-
-//static
-void LLVoiceChannel::initClass()
-{
-	sCurrentVoiceChannel = LLVoiceChannelProximal::getInstance();
-}
-
-
-//static 
-void LLVoiceChannel::suspend()
-{
-	if (!sSuspended)
-	{
-		sSuspendedVoiceChannel = sCurrentVoiceChannel;
-		sSuspended = TRUE;
-	}
-}
-
-//static 
-void LLVoiceChannel::resume()
-{
-	if (sSuspended)
-	{
-		if (gVoiceClient->voiceEnabled())
-		{
-			if (sSuspendedVoiceChannel)
-			{
-				sSuspendedVoiceChannel->activate();
-			}
-			else
-			{
-				LLVoiceChannelProximal::getInstance()->activate();
-			}
-		}
-		sSuspended = FALSE;
-	}
-}
-
-
-//
-// LLVoiceChannelGroup
-//
-
-LLVoiceChannelGroup::LLVoiceChannelGroup(const LLUUID& session_id, const std::string& session_name) : 
-	LLVoiceChannel(session_id, session_name)
-{
-	mRetries = DEFAULT_RETRIES_COUNT;
-	mIsRetrying = FALSE;
-}
-
-void LLVoiceChannelGroup::deactivate()
-{
-	if (callStarted())
-	{
-		LLVoiceClient::getInstance()->leaveNonSpatialChannel();
-	}
-	LLVoiceChannel::deactivate();
-}
-
-void LLVoiceChannelGroup::activate()
-{
-	if (callStarted()) return;
-
-	LLVoiceChannel::activate();
-
-	if (callStarted())
-	{
-		// we have the channel info, just need to use it now
-		LLVoiceClient::getInstance()->setNonSpatialChannel(
-			mURI,
-			mCredentials);
-
-#if 0 // *TODO
-		if (!gAgent.isInGroup(mSessionID)) // ad-hoc channel
-		{
-			// Add the party to the list of people with which we've recently interacted.
-			for (/*people in the chat*/)
-				LLRecentPeople::instance().add(buddy_id);
-		}
-#endif
-	}
-}
-
-void LLVoiceChannelGroup::getChannelInfo()
-{
-	LLViewerRegion* region = gAgent.getRegion();
-	if (region)
-	{
-		std::string url = region->getCapability("ChatSessionRequest");
-		LLSD data;
-		data["method"] = "call";
-		data["session-id"] = mSessionID;
-		LLHTTPClient::post(url,
-						   data,
-						   new LLVoiceCallCapResponder(mSessionID));
-	}
-}
-
-void LLVoiceChannelGroup::setChannelInfo(
-	const std::string& uri,
-	const std::string& credentials)
-{
-	setURI(uri);
-
-	mCredentials = credentials;
-
-	if (mState == STATE_NO_CHANNEL_INFO)
-	{
-		if(!mURI.empty() && !mCredentials.empty())
-		{
-			setState(STATE_READY);
-
-			// if we are supposed to be active, reconnect
-			// this will happen on initial connect, as we request credentials on first use
-			if (sCurrentVoiceChannel == this)
-			{
-				// just in case we got new channel info while active
-				// should move over to new channel
-				activate();
-			}
-		}
-		else
-		{
-			//*TODO: notify user
-			llwarns << "Received invalid credentials for channel " << mSessionName << llendl;
-			deactivate();
-		}
-	}
-	else if ( mIsRetrying )
-	{
-		// we have the channel info, just need to use it now
-		LLVoiceClient::getInstance()->setNonSpatialChannel(
-			mURI,
-			mCredentials);
-	}
-}
-
-void LLVoiceChannelGroup::handleStatusChange(EStatusType type)
-{
-	// status updates
-	switch(type)
-	{
-	case STATUS_JOINED:
-		mRetries = 3;
-		mIsRetrying = FALSE;
-	default:
-		break;
-	}
-
-	LLVoiceChannel::handleStatusChange(type);
-}
-
-void LLVoiceChannelGroup::handleError(EStatusType status)
-{
-	std::string notify;
-	switch(status)
-	{
-	case ERROR_CHANNEL_LOCKED:
-	case ERROR_CHANNEL_FULL:
-		notify = "VoiceChannelFull";
-		break;
-	case ERROR_NOT_AVAILABLE:
-		//clear URI and credentials
-		//set the state to be no info
-		//and activate
-		if ( mRetries > 0 )
-		{
-			mRetries--;
-			mIsRetrying = TRUE;
-			mIgnoreNextSessionLeave = TRUE;
-
-			getChannelInfo();
-			return;
-		}
-		else
-		{
-			notify = "VoiceChannelJoinFailed";
-			mRetries = DEFAULT_RETRIES_COUNT;
-			mIsRetrying = FALSE;
-		}
-
-		break;
-
-	case ERROR_UNKNOWN:
-	default:
-		break;
-	}
-
-	// notification
-	if (!notify.empty())
-	{
-		LLNotificationPtr notification = LLNotifications::instance().add(notify, mNotifyArgs);
-		// echo to im window
-		gIMMgr->addMessage(mSessionID, LLUUID::null, SYSTEM_FROM, notification->getMessage());
-	}
-
-	LLVoiceChannel::handleError(status);
-}
-
-void LLVoiceChannelGroup::setState(EState state)
-{
-	// HACK: Open/close the call window if needed.
-	toggleCallWindowIfNeeded(state);
-
-	switch(state)
-	{
-	case STATE_RINGING:
-		if ( !mIsRetrying )
-		{
-			gIMMgr->addSystemMessage(mSessionID, "ringing", mNotifyArgs);
-		}
-
-		mState = state;
-		break;
-	default:
-		LLVoiceChannel::setState(state);
-	}
-}
-
-//
-// LLVoiceChannelProximal
-//
-LLVoiceChannelProximal::LLVoiceChannelProximal() : 
-	LLVoiceChannel(LLUUID::null, LLStringUtil::null)
-{
-	activate();
-}
-
-BOOL LLVoiceChannelProximal::isActive()
-{
-	return callStarted() && LLVoiceClient::getInstance()->inProximalChannel(); 
-}
-
-void LLVoiceChannelProximal::activate()
-{
-	if (callStarted()) return;
-
-	LLVoiceChannel::activate();
-
-	if (callStarted())
-	{
-		// this implicitly puts you back in the spatial channel
-		LLVoiceClient::getInstance()->leaveNonSpatialChannel();
-	}
-}
-
-void LLVoiceChannelProximal::onChange(EStatusType type, const std::string &channelURI, bool proximal)
-{
-	if (!proximal)
-	{
-		return;
-	}
-
-	if (type < BEGIN_ERROR_STATUS)
-	{
-		handleStatusChange(type);
-	}
-	else
-	{
-		handleError(type);
-	}
-}
-
-void LLVoiceChannelProximal::handleStatusChange(EStatusType status)
-{
-	// status updates
-	switch(status)
-	{
-	case STATUS_LEFT_CHANNEL:
-		// do not notify user when leaving proximal channel
-		return;
-	case STATUS_VOICE_DISABLED:
-		 gIMMgr->addSystemMessage(LLUUID::null, "unavailable", mNotifyArgs);
-		return;
-	default:
-		break;
-	}
-	LLVoiceChannel::handleStatusChange(status);
-}
-
-
-void LLVoiceChannelProximal::handleError(EStatusType status)
-{
-	std::string notify;
-	switch(status)
-	{
-	  case ERROR_CHANNEL_LOCKED:
-	  case ERROR_CHANNEL_FULL:
-		notify = "ProximalVoiceChannelFull";
-		break;
-	  default:
-		 break;
-	}
-
-	// notification
-	if (!notify.empty())
-	{
-		LLNotifications::instance().add(notify, mNotifyArgs);
-	}
-
-	LLVoiceChannel::handleError(status);
-}
-
-void LLVoiceChannelProximal::deactivate()
-{
-	if (callStarted())
-	{
-		setState(STATE_HUNG_UP);
-	}
-}
-
-
-//
-// LLVoiceChannelP2P
-//
-LLVoiceChannelP2P::LLVoiceChannelP2P(const LLUUID& session_id, const std::string& session_name, const LLUUID& other_user_id) : 
-		LLVoiceChannelGroup(session_id, session_name), 
-		mOtherUserID(other_user_id),
-		mReceivedCall(FALSE)
-{
-	// make sure URI reflects encoded version of other user's agent id
-	setURI(LLVoiceClient::getInstance()->sipURIFromID(other_user_id));
-}
-
-void LLVoiceChannelP2P::handleStatusChange(EStatusType type)
-{
-	// status updates
-	switch(type)
-	{
-	case STATUS_LEFT_CHANNEL:
-		if (callStarted() && !mIgnoreNextSessionLeave && !sSuspended)
-		{
-			if (mState == STATE_RINGING)
-			{
-				// other user declined call
-				LLNotifications::instance().add("P2PCallDeclined", mNotifyArgs);
-			}
-			else
-			{
-				// other user hung up
-				LLNotifications::instance().add("VoiceChannelDisconnectedP2P", mNotifyArgs);
-			}
-			deactivate();
-		}
-		mIgnoreNextSessionLeave = FALSE;
-		return;
-	default:
-		break;
-	}
-
-	LLVoiceChannel::handleStatusChange(type);
-}
-
-void LLVoiceChannelP2P::handleError(EStatusType type)
-{
-	switch(type)
-	{
-	case ERROR_NOT_AVAILABLE:
-		LLNotifications::instance().add("P2PCallNoAnswer", mNotifyArgs);
-		break;
-	default:
-		break;
-	}
-
-	LLVoiceChannel::handleError(type);
-}
-
-void LLVoiceChannelP2P::activate()
-{
-	if (callStarted()) return;
-
-	LLVoiceChannel::activate();
-
-	if (callStarted())
-	{
-		// no session handle yet, we're starting the call
-		if (mSessionHandle.empty())
-		{
-			mReceivedCall = FALSE;
-			LLVoiceClient::getInstance()->callUser(mOtherUserID);
-		}
-		// otherwise answering the call
-		else
-		{
-			LLVoiceClient::getInstance()->answerInvite(mSessionHandle);
-			
-			// using the session handle invalidates it.  Clear it out here so we can't reuse it by accident.
-			mSessionHandle.clear();
-		}
-
-		// Add the party to the list of people with which we've recently interacted.
-		LLRecentPeople::instance().add(mOtherUserID);
-	}
-}
-
-void LLVoiceChannelP2P::getChannelInfo()
-{
-	// pretend we have everything we need, since P2P doesn't use channel info
-	if (sCurrentVoiceChannel == this)
-	{
-		setState(STATE_CALL_STARTED);
-	}
-}
-
-// receiving session from other user who initiated call
-void LLVoiceChannelP2P::setSessionHandle(const std::string& handle, const std::string &inURI)
-{ 
-	BOOL needs_activate = FALSE;
-	if (callStarted())
-	{
-		// defer to lower agent id when already active
-		if (mOtherUserID < gAgent.getID())
-		{
-			// pretend we haven't started the call yet, so we can connect to this session instead
-			deactivate();
-			needs_activate = TRUE;
-		}
-		else
-		{
-			// we are active and have priority, invite the other user again
-			// under the assumption they will join this new session
-			mSessionHandle.clear();
-			LLVoiceClient::getInstance()->callUser(mOtherUserID);
-			return;
-		}
-	}
-
-	mSessionHandle = handle;
-
-	// The URI of a p2p session should always be the other end's SIP URI.
-	if(!inURI.empty())
-	{
-		setURI(inURI);
-	}
-	else
-	{
-		setURI(LLVoiceClient::getInstance()->sipURIFromID(mOtherUserID));
-	}
-	
-	mReceivedCall = TRUE;
-
-	if (needs_activate)
-	{
-		activate();
-	}
-}
-
-void LLVoiceChannelP2P::setState(EState state)
-{
-	// HACK: Open/close the call window if needed.
-	toggleCallWindowIfNeeded(state);
-
-	// you only "answer" voice invites in p2p mode
-	// so provide a special purpose message here
-	if (mReceivedCall && state == STATE_RINGING)
-	{
-		gIMMgr->addSystemMessage(mSessionID, "answering", mNotifyArgs);
-		mState = state;
-		return;
-	}
-	LLVoiceChannel::setState(state);
-}
-
 
 //
 // LLFloaterIMPanel
@@ -1836,75 +1012,8 @@ void LLFloaterIMPanel::chatFromLogFile(LLLogChat::ELogLineType type, std::string
 	self->mHistoryEditor->blockUndo();
 }
 
-void LLFloaterIMPanel::showSessionStartError(
-	const std::string& error_string)
-{
-	LLSD args;
-	args["REASON"] = LLTrans::getString(error_string);
-	args["RECIPIENT"] = getTitle();
-
-	LLSD payload;
-	payload["session_id"] = mSessionUUID;
-
-	LLNotifications::instance().add(
-		"ChatterBoxSessionStartError",
-		args,
-		payload,
-		onConfirmForceCloseError);
-}
-
-void LLFloaterIMPanel::showSessionEventError(
-	const std::string& event_string,
-	const std::string& error_string)
-{
-	LLSD args;
-	args["REASON"] =
-		LLTrans::getString(error_string);
-	args["EVENT"] =
-		LLTrans::getString(event_string);
-	args["RECIPIENT"] = getTitle();
-
-	LLNotifications::instance().add(
-		"ChatterBoxSessionEventError",
-		args);
-}
-
-void LLFloaterIMPanel::showSessionForceClose(
-	const std::string& reason_string)
-{
-	LLSD args;
-
-	args["NAME"] = getTitle();
-	args["REASON"] = LLTrans::getString(reason_string);
-
-	LLSD payload;
-	payload["session_id"] = mSessionUUID;
-
-	LLNotifications::instance().add(
-		"ForceCloseChatterBoxSession",
-		args,
-		payload,
-		LLFloaterIMPanel::onConfirmForceCloseError);
-
-}
-
 //static 
 void LLFloaterIMPanel::onKickSpeaker(void* user_data)
 {
 
 }
-
-bool LLFloaterIMPanel::onConfirmForceCloseError(const LLSD& notification, const LLSD& response)
-{
-	//only 1 option really
-	LLUUID session_id = notification["payload"]["session_id"];
-
-	if ( gIMMgr )
-	{
-		LLFloaterIMPanel* floaterp = gIMMgr->findFloaterBySession(
-			session_id);
-
-		if ( floaterp ) floaterp->closeFloater(FALSE);
-	}
-	return false;
-}
diff --git a/indra/newview/llimpanel.h b/indra/newview/llimpanel.h
index 4e306c7fab..39107d9a22 100644
--- a/indra/newview/llimpanel.h
+++ b/indra/newview/llimpanel.h
@@ -50,133 +50,6 @@ class LLIMSpeakerMgr;
 class LLPanelActiveSpeakers;
 class LLPanelChatControlPanel;
 
-class LLVoiceChannel : public LLVoiceClientStatusObserver
-{
-public:
-	typedef enum e_voice_channel_state
-	{
-		STATE_NO_CHANNEL_INFO,
-		STATE_ERROR,
-		STATE_HUNG_UP,
-		STATE_READY,
-		STATE_CALL_STARTED,
-		STATE_RINGING,
-		STATE_CONNECTED
-	} EState;
-
-	LLVoiceChannel(const LLUUID& session_id, const std::string& session_name);
-	virtual ~LLVoiceChannel();
-
-	/*virtual*/ void onChange(EStatusType status, const std::string &channelURI, bool proximal);
-
-	virtual void handleStatusChange(EStatusType status);
-	virtual void handleError(EStatusType status);
-	virtual void deactivate();
-	virtual void activate();
-	virtual void setChannelInfo(
-		const std::string& uri,
-		const std::string& credentials);
-	virtual void getChannelInfo();
-	virtual BOOL isActive();
-	virtual BOOL callStarted();
-	const std::string& getSessionName() const { return mSessionName; }
-
-	const LLUUID getSessionID() { return mSessionID; }
-	EState getState() { return mState; }
-
-	void updateSessionID(const LLUUID& new_session_id);
-	const LLSD& getNotifyArgs() { return mNotifyArgs; }
-
-	static LLVoiceChannel* getChannelByID(const LLUUID& session_id);
-	static LLVoiceChannel* getChannelByURI(std::string uri);
-	static LLVoiceChannel* getCurrentVoiceChannel() { return sCurrentVoiceChannel; }
-	static void initClass();
-	
-	static void suspend();
-	static void resume();
-
-protected:
-	virtual void setState(EState state);
-	void toggleCallWindowIfNeeded(EState state);
-	void setURI(std::string uri);
-
-	std::string	mURI;
-	std::string	mCredentials;
-	LLUUID		mSessionID;
-	EState		mState;
-	std::string	mSessionName;
-	LLSD mNotifyArgs;
-	BOOL		mIgnoreNextSessionLeave;
-	LLHandle<LLPanel> mLoginNotificationHandle;
-
-	typedef std::map<LLUUID, LLVoiceChannel*> voice_channel_map_t;
-	static voice_channel_map_t sVoiceChannelMap;
-
-	typedef std::map<std::string, LLVoiceChannel*> voice_channel_map_uri_t;
-	static voice_channel_map_uri_t sVoiceChannelURIMap;
-
-	static LLVoiceChannel* sCurrentVoiceChannel;
-	static LLVoiceChannel* sSuspendedVoiceChannel;
-	static BOOL sSuspended;
-};
-
-class LLVoiceChannelGroup : public LLVoiceChannel
-{
-public:
-	LLVoiceChannelGroup(const LLUUID& session_id, const std::string& session_name);
-
-	/*virtual*/ void handleStatusChange(EStatusType status);
-	/*virtual*/ void handleError(EStatusType status);
-	/*virtual*/ void activate();
-	/*virtual*/ void deactivate();
-	/*vritual*/ void setChannelInfo(
-		const std::string& uri,
-		const std::string& credentials);
-	/*virtual*/ void getChannelInfo();
-
-protected:
-	virtual void setState(EState state);
-
-private:
-	U32 mRetries;
-	BOOL mIsRetrying;
-};
-
-class LLVoiceChannelProximal : public LLVoiceChannel, public LLSingleton<LLVoiceChannelProximal>
-{
-public:
-	LLVoiceChannelProximal();
-
-	/*virtual*/ void onChange(EStatusType status, const std::string &channelURI, bool proximal);
-	/*virtual*/ void handleStatusChange(EStatusType status);
-	/*virtual*/ void handleError(EStatusType status);
-	/*virtual*/ BOOL isActive();
-	/*virtual*/ void activate();
-	/*virtual*/ void deactivate();
-
-};
-
-class LLVoiceChannelP2P : public LLVoiceChannelGroup
-{
-public:
-	LLVoiceChannelP2P(const LLUUID& session_id, const std::string& session_name, const LLUUID& other_user_id);
-
-	/*virtual*/ void handleStatusChange(EStatusType status);
-	/*virtual*/ void handleError(EStatusType status);
-    /*virtual*/ void activate();
-	/*virtual*/ void getChannelInfo();
-
-	void setSessionHandle(const std::string& handle, const std::string &inURI);
-
-protected:
-	virtual void setState(EState state);
-
-private:
-	std::string	mSessionHandle;
-	LLUUID		mOtherUserID;
-	BOOL		mReceivedCall;
-};
-
 class LLFloaterIMPanel : public LLFloater
 {
 public:
@@ -256,15 +129,6 @@ public:
 	void processIMTyping(const LLIMInfo* im_info, BOOL typing);
 	static void chatFromLogFile(LLLogChat::ELogLineType type, std::string line, void* userdata);
 
-	//show error statuses to the user
-	void showSessionStartError(const std::string& error_string);
-	void showSessionEventError(
-		const std::string& event_string,
-		const std::string& error_string);
-	void showSessionForceClose(const std::string& reason);
-
-	static bool onConfirmForceCloseError(const LLSD& notification, const LLSD& response);
-
 private:
 	// Called by UI methods.
 	void sendMsg();
diff --git a/indra/newview/llimview.cpp b/indra/newview/llimview.cpp
index b631c991ae..8a55ab41b9 100644
--- a/indra/newview/llimview.cpp
+++ b/indra/newview/llimview.cpp
@@ -70,6 +70,7 @@
 #include "llviewerwindow.h"
 #include "llnotify.h"
 #include "llviewerregion.h"
+#include "llvoicechannel.h"
 #include "lltrans.h"
 #include "llrecentpeople.h"
 
@@ -144,7 +145,10 @@ LLIMModel::LLIMSession::LLIMSession(const LLUUID& session_id, const std::string&
 	mInitialTargetIDs(ids),
 	mVoiceChannel(NULL),
 	mSpeakers(NULL),
-	mSessionInitialized(false)
+	mSessionInitialized(false),
+	mCallBackEnabled(true),
+	mTextIMPossible(true),
+	mOtherParticipantIsAvatar(true)
 {
 	if (IM_NOTHING_SPECIAL == type || IM_SESSION_P2P_INVITE == type)
 	{
@@ -168,6 +172,13 @@ LLIMModel::LLIMSession::LLIMSession(const LLUUID& session_id, const std::string&
 		//so we're already initialized
 		mSessionInitialized = true;
 	}
+
+	if (IM_NOTHING_SPECIAL == type)
+	{
+		mCallBackEnabled = LLVoiceClient::getInstance()->isSessionCallBackPossible(mSessionID);
+		mTextIMPossible = LLVoiceClient::getInstance()->isSessionTextIMPossible(mSessionID);
+		mOtherParticipantIsAvatar = LLVoiceClient::getInstance()->isParticipantAvatar(mSessionID);
+	}
 }
 
 LLIMModel::LLIMSession::~LLIMSession()
@@ -272,7 +283,8 @@ void LLIMModel::testMessages()
 }
 
 
-bool LLIMModel::newSession(LLUUID session_id, std::string name, EInstantMessage type, LLUUID other_participant_id, const std::vector<LLUUID>& ids)
+bool LLIMModel::newSession(const LLUUID& session_id, const std::string& name, const EInstantMessage& type, 
+						   const LLUUID& other_participant_id, const std::vector<LLUUID>& ids)
 {
 	if (is_in_map(sSessionsMap, session_id))
 	{
@@ -289,7 +301,7 @@ bool LLIMModel::newSession(LLUUID session_id, std::string name, EInstantMessage
 
 }
 
-bool LLIMModel::clearSession(LLUUID session_id)
+bool LLIMModel::clearSession(const LLUUID& session_id)
 {
 	if (sSessionsMap.find(session_id) == sSessionsMap.end()) return false;
 	delete (sSessionsMap[session_id]);
@@ -297,16 +309,13 @@ bool LLIMModel::clearSession(LLUUID session_id)
 	return true;
 }
 
-//*TODO remake it, instead of returing the list pass it as as parameter (IB)
-std::list<LLSD> LLIMModel::getMessages(LLUUID session_id, int start_index)
+void LLIMModel::getMessages(const LLUUID& session_id, std::list<LLSD>& messages, int start_index)
 {
-	std::list<LLSD> return_list;
-
 	LLIMSession* session = findIMSession(session_id);
 	if (!session) 
 	{
 		llwarns << "session " << session_id << "does not exist " << llendl;
-		return return_list;
+		return;
 	}
 
 	int i = session->mMsgs.size() - start_index;
@@ -317,7 +326,7 @@ std::list<LLSD> LLIMModel::getMessages(LLUUID session_id, int start_index)
 	{
 		LLSD msg;
 		msg = *iter;
-		return_list.push_back(*iter);
+		messages.push_back(*iter);
 		i--;
 	}
 
@@ -327,14 +336,9 @@ std::list<LLSD> LLIMModel::getMessages(LLUUID session_id, int start_index)
 	arg["session_id"] = session_id;
 	arg["num_unread"] = 0;
 	mNoUnreadMsgsSignal(arg);
-
-    // TODO: in the future is there a more efficient way to return these
-	//of course there is - return as parameter (IB)
-	return return_list;
-
 }
 
-bool LLIMModel::addToHistory(LLUUID session_id, std::string from, LLUUID from_id, std::string utf8_text) { 
+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);
 
@@ -383,8 +387,8 @@ bool LLIMModel::logToFile(const LLUUID& session_id, const std::string& from, con
 	return false;
 }
 
-//*TODO add const qualifier and pass by references (IB)
-bool LLIMModel::addMessage(LLUUID session_id, std::string from, LLUUID from_id, std::string utf8_text, bool log2file /* = true */) { 
+bool LLIMModel::addMessage(const LLUUID& session_id, const std::string& from, const LLUUID& from_id, 
+						   const std::string& utf8_text, bool log2file /* = true */) { 
 	LLIMSession* session = findIMSession(session_id);
 
 	if (!session) 
@@ -506,7 +510,7 @@ void LLIMModel::sendTypingState(LLUUID session_id, LLUUID other_participant_id,
 	gAgent.sendReliableMessage();
 }
 
-void LLIMModel::sendLeaveSession(LLUUID session_id, LLUUID other_participant_id) 
+void LLIMModel::sendLeaveSession(const LLUUID& session_id, const LLUUID& other_participant_id)
 {
 	if(session_id.notNull())
 	{
@@ -890,20 +894,11 @@ public:
 		{
 			gIMMgr->clearPendingAgentListUpdates(mSessionID);
 			gIMMgr->clearPendingInvitation(mSessionID);
-
-			LLFloaterIMPanel* floaterp =
-				gIMMgr->findFloaterBySession(mSessionID);
-
-			if ( floaterp )
+			if ( 404 == statusNum )
 			{
-				if ( 404 == statusNum )
-				{
-					std::string error_string;
-					error_string = "does not exist";
-
-					floaterp->showSessionStartError(
-						error_string);
-				}
+				std::string error_string;
+				error_string = "does not exist";
+				gIMMgr->showSessionStartError(error_string, mSessionID);
 			}
 		}
 	}
@@ -955,6 +950,106 @@ LLUUID LLIMMgr::computeSessionID(
 	return session_id;
 }
 
+inline LLFloater* getFloaterBySessionID(const LLUUID session_id)
+{
+	LLFloater* floater = NULL;
+	if ( gIMMgr )
+	{
+		floater = dynamic_cast < LLFloater* >
+			( gIMMgr->findFloaterBySession(session_id) );
+	}
+	if ( !floater )
+	{
+		floater = dynamic_cast < LLFloater* >
+			( LLIMFloater::findInstance(session_id) );
+	}
+	return floater;
+}
+
+void
+LLIMMgr::showSessionStartError(
+	const std::string& error_string,
+	const LLUUID session_id)
+{
+	const LLFloater* floater = getFloaterBySessionID (session_id);
+	if (!floater) return;
+
+	LLSD args;
+	args["REASON"] = LLTrans::getString(error_string);
+	args["RECIPIENT"] = floater->getTitle();
+
+	LLSD payload;
+	payload["session_id"] = session_id;
+
+	LLNotifications::instance().add(
+		"ChatterBoxSessionStartError",
+		args,
+		payload,
+		LLIMMgr::onConfirmForceCloseError);
+}
+
+void
+LLIMMgr::showSessionEventError(
+	const std::string& event_string,
+	const std::string& error_string,
+	const LLUUID session_id)
+{
+	const LLFloater* floater = getFloaterBySessionID (session_id);
+	if (!floater) return;
+
+	LLSD args;
+	args["REASON"] =
+		LLTrans::getString(error_string);
+	args["EVENT"] =
+		LLTrans::getString(event_string);
+	args["RECIPIENT"] = floater->getTitle();
+
+	LLNotifications::instance().add(
+		"ChatterBoxSessionEventError",
+		args);
+}
+
+void
+LLIMMgr::showSessionForceClose(
+	const std::string& reason_string,
+	const LLUUID session_id)
+{
+	const LLFloater* floater = getFloaterBySessionID (session_id);
+	if (!floater) return;
+
+	LLSD args;
+
+	args["NAME"] = floater->getTitle();
+	args["REASON"] = LLTrans::getString(reason_string);
+
+	LLSD payload;
+	payload["session_id"] = session_id;
+
+	LLNotifications::instance().add(
+		"ForceCloseChatterBoxSession",
+		args,
+		payload,
+		LLIMMgr::onConfirmForceCloseError);
+}
+
+//static
+bool
+LLIMMgr::onConfirmForceCloseError(
+	const LLSD& notification,
+	const LLSD& response)
+{
+	//only 1 option really
+	LLUUID session_id = notification["payload"]["session_id"];
+
+	LLFloater* floater = getFloaterBySessionID (session_id);
+	if ( floater )
+	{
+		floater->closeFloater(FALSE);
+	}
+	return false;
+}
+
+
 //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 // Class LLIncomingCallDialog
 //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -1114,29 +1209,6 @@ void LLIncomingCallDialog::processCallResponse(S32 response)
 	}
 }
 
-//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-// Class LLIMViewFriendObserver
-//
-// Bridge to suport knowing when the inventory has changed.
-//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-class LLIMViewFriendObserver : public LLFriendObserver
-{
-public:
-	LLIMViewFriendObserver(LLIMMgr* tv) : mTV(tv) {}
-	virtual ~LLIMViewFriendObserver() {}
-	virtual void changed(U32 mask)
-	{
-		if(mask & (LLFriendObserver::ADD | LLFriendObserver::REMOVE | LLFriendObserver::ONLINE))
-		{
-			mTV->refresh();
-		}
-	}
-protected:
-	LLIMMgr* mTV;
-};
-
-
 bool inviteUserResponse(const LLSD& notification, const LLSD& response)
 {
 	const LLSD& payload = notification["payload"];
@@ -1237,7 +1309,6 @@ bool inviteUserResponse(const LLSD& notification, const LLSD& response)
 //
 
 LLIMMgr::LLIMMgr() :
-	mFriendObserver(NULL),
 	mIMReceived(FALSE)
 {
 	static bool registered_dialog = false;
@@ -1246,21 +1317,11 @@ LLIMMgr::LLIMMgr() :
 		LLFloaterReg::add("incoming_call", "floater_incoming_call.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLIncomingCallDialog>);
 		registered_dialog = true;
 	}
-		
-	mFriendObserver = new LLIMViewFriendObserver(this);
-	LLAvatarTracker::instance().addObserver(mFriendObserver);
 
 	mPendingInvitations = LLSD::emptyMap();
 	mPendingAgentListUpdates = LLSD::emptyMap();
 }
 
-LLIMMgr::~LLIMMgr()
-{
-	LLAvatarTracker::instance().removeObserver(mFriendObserver);
-	delete mFriendObserver;
-	// Children all cleaned up by default view destructor.
-}
-
 // Add a message to a session. 
 void LLIMMgr::addMessage(
 	const LLUUID& session_id,
@@ -1299,9 +1360,15 @@ void LLIMMgr::addMessage(
 		fixed_session_name = session_name;
 	}
 
-	if (!LLIMModel::getInstance()->findIMSession(new_session_id))
+	bool new_session = !hasSession(session_id);
+	if (new_session)
 	{
-		LLIMModel::getInstance()->newSession(session_id, fixed_session_name, dialog, other_participant_id);
+		// *NOTE dzaporozhan
+		// Workaround for critical bug EXT-1918
+
+		// *TODO 
+		// Investigate cases when session_id == NULL and find solution to handle those cases
+		LLIMModel::getInstance()->newSession(new_session_id, fixed_session_name, dialog, other_participant_id);
 	}
 
 	floater = findFloaterBySession(new_session_id);
@@ -1318,15 +1385,16 @@ void LLIMMgr::addMessage(
 	// create IM window as necessary
 	if(!floater)
 	{
-
-		
 		floater = createFloater(
 			new_session_id,
 			other_participant_id,
 			fixed_session_name,
 			dialog,
 			FALSE);
+	}
 
+	if (new_session)
+	{
 		// 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
 		// when answering questions.
@@ -1336,7 +1404,7 @@ void LLIMMgr::addMessage(
 			std::ostringstream bonus_info;
 			bonus_info << LLTrans::getString("***")+ " "+ LLTrans::getString("IMParentEstate") + ":" + " "
 				<< parent_estate_id
-			<< ((parent_estate_id == 1) ? "," + LLTrans::getString("IMMainland") : "")
+				<< ((parent_estate_id == 1) ? "," + LLTrans::getString("IMMainland") : "")
 				<< ((parent_estate_id == 5) ? "," + LLTrans::getString ("IMTeen") : "");
 
 			// once we have web-services (or something) which returns
@@ -1439,10 +1507,7 @@ S32 LLIMMgr::getNumberOfUnreadIM()
 	S32 num = 0;
 	for(it = LLIMModel::sSessionsMap.begin(); it != LLIMModel::sSessionsMap.end(); ++it)
 	{
-		if((*it).first != mBeingRemovedSessionID)
-		{
-			num += (*it).second->mNumUnread;
-		}
+		num += (*it).second->mNumUnread;
 	}
 
 	return num;
@@ -1458,15 +1523,6 @@ BOOL LLIMMgr::getIMReceived() const
 	return mIMReceived;
 }
 
-// This method returns TRUE if the local viewer has a session
-// currently open keyed to the uuid. 
-BOOL LLIMMgr::isIMSessionOpen(const LLUUID& uuid)
-{
-	LLFloaterIMPanel* floater = findFloaterBySession(uuid);
-	if(floater) return TRUE;
-	return FALSE;
-}
-
 LLUUID LLIMMgr::addP2PSession(const std::string& name,
 							const LLUUID& other_participant_id,
 							const std::string& voice_session_handle,
@@ -1560,41 +1616,25 @@ bool LLIMMgr::leaveSession(const LLUUID& session_id)
 	return true;
 }
 
-// This removes the panel referenced by the uuid, and then restores
-// internal consistency. The internal pointer is not deleted? Did you mean
-// a pointer to the corresponding LLIMSession? Session data is cleared now.
-// Put a copy of UUID to avoid problem when passed reference becames invalid
-// if it has been come from the object removed in observer.
-void LLIMMgr::removeSession(LLUUID session_id)
+// Removes data associated with a particular session specified by session_id
+void LLIMMgr::removeSession(const LLUUID& session_id)
 {
-	if (mBeingRemovedSessionID == session_id)
-	{
-		return;
-	}
+	llassert_always(hasSession(session_id));
 	
+	//*TODO remove this floater thing when Communicate Floater is being deleted (IB)
 	LLFloaterIMPanel* floater = findFloaterBySession(session_id);
 	if(floater)
 	{
 		mFloaters.erase(floater->getHandle());
 		LLFloaterChatterBox::getInstance()->removeFloater(floater);
-		//mTabContainer->removeTabPanel(floater);
-
-		clearPendingInvitation(session_id);
-		clearPendingAgentListUpdates(session_id);
 	}
 
-	// for some purposes storing ID of a sessios that is being removed
-	mBeingRemovedSessionID = session_id;
-	notifyObserverSessionRemoved(session_id);
+	clearPendingInvitation(session_id);
+	clearPendingAgentListUpdates(session_id);
 
-	//if we don't clear session data on removing the session
-	//we can't use LLBottomTray as observer of session creation/delettion and 
-	//creating chiclets only on session created even, we need to handle chiclets creation
-	//the same way as LLFloaterIMPanels were managed.
 	LLIMModel::getInstance()->clearSession(session_id);
 
-	// now this session is completely removed
-	mBeingRemovedSessionID.setNull();
+	notifyObserverSessionRemoved(session_id);
 }
 
 void LLIMMgr::inviteToSession(
@@ -1723,10 +1763,6 @@ void LLIMMgr::onInviteNameLookup(LLSD payload, const LLUUID& id, const std::stri
 	}
 }
 
-void LLIMMgr::refresh()
-{
-}
-
 void LLIMMgr::disconnectAllSessions()
 {
 	LLFloaterIMPanel* floater = NULL;
@@ -2038,6 +2074,12 @@ void LLIMMgr::processIMTypingCore(const LLIMInfo* im_info, BOOL typing)
 	{
 		floater->processIMTyping(im_info, typing);
 	}
+
+	LLIMFloater* im_floater = LLIMFloater::findInstance(session_id);
+	if ( im_floater )
+	{
+		im_floater->processIMTyping(im_info, typing);
+	}
 }
 
 class LLViewerChatterBoxSessionStartReply : public LLHTTPNode
@@ -2087,19 +2129,21 @@ public:
 				}
 			}
 
+			LLIMFloater* im_floater = LLIMFloater::findInstance(session_id);
+			if ( im_floater )
+			{
+				if ( body.has("session_info") )
+				{
+					im_floater->processSessionUpdate(body["session_info"]);
+				}
+			}
+
 			gIMMgr->clearPendingAgentListUpdates(session_id);
 		}
 		else
 		{
-			//throw an error dialog and close the temp session's
-			//floater
-			LLFloaterIMPanel* floater = 
-				gIMMgr->findFloaterBySession(temp_session_id);
-
-			if ( floater )
-			{
-				floater->showSessionStartError(body["error"].asString());
-			}
+			//throw an error dialog and close the temp session's floater
+			gIMMgr->showSessionStartError(body["error"].asString(), temp_session_id);
 		}
 
 		gIMMgr->clearPendingAgentListUpdates(session_id);
@@ -2132,15 +2176,10 @@ public:
 		if ( !success )
 		{
 			//throw an error dialog
-			LLFloaterIMPanel* floater = 
-				gIMMgr->findFloaterBySession(session_id);
-
-			if (floater)
-			{
-				floater->showSessionEventError(
-					body["event"].asString(),
-					body["error"].asString());
-			}
+			gIMMgr->showSessionEventError(
+				body["event"].asString(),
+				body["error"].asString(),
+				session_id);
 		}
 	}
 };
@@ -2158,13 +2197,7 @@ public:
 		session_id = input["body"]["session_id"].asUUID();
 		reason = input["body"]["reason"].asString();
 
-		LLFloaterIMPanel* floater =
-			gIMMgr ->findFloaterBySession(session_id);
-
-		if ( floater )
-		{
-			floater->showSessionForceClose(reason);
-		}
+		gIMMgr->showSessionForceClose(reason, session_id);
 	}
 };
 
@@ -2202,11 +2235,17 @@ public:
 		const LLSD& context,
 		const LLSD& input) const
 	{
-		LLFloaterIMPanel* floaterp = gIMMgr->findFloaterBySession(input["body"]["session_id"].asUUID());
+		LLUUID session_id = input["body"]["session_id"].asUUID();
+		LLFloaterIMPanel* floaterp = gIMMgr->findFloaterBySession(session_id);
 		if (floaterp)
 		{
 			floaterp->processSessionUpdate(input["body"]["info"]);
 		}
+		LLIMFloater* im_floater = LLIMFloater::findInstance(session_id);
+		if ( im_floater )
+		{
+			im_floater->processSessionUpdate(input["body"]["info"]);
+		}
 	}
 };
 
diff --git a/indra/newview/llimview.h b/indra/newview/llimview.h
index 68beb29034..ae8fd355ea 100644
--- a/indra/newview/llimview.h
+++ b/indra/newview/llimview.h
@@ -34,7 +34,7 @@
 #define LL_LLIMVIEW_H
 
 #include "lldarray.h"
-#include "llfloateractivespeakers.h" //for LLIMSpeakerMgr
+#include "llspeakers.h" //for LLIMSpeakerMgr
 #include "llimpanel.h" //for voice channels
 #include "llmodaldialog.h"
 #include "llinstantmessage.h"
@@ -70,6 +70,13 @@ public:
 		LLIMSpeakerMgr* mSpeakers;
 
 		bool mSessionInitialized;
+
+		//true if calling back the session URI after the session has closed is possible.
+		//Currently this will be false only for PSTN P2P calls.
+		bool mCallBackEnabled;
+
+		bool mTextIMPossible;
+		bool mOtherParticipantIsAvatar;
 	};
 	
 
@@ -104,18 +111,35 @@ public:
 	boost::signals2::connection addNewMsgCallback( session_callback_t cb ) { return mNewMsgSignal.connect(cb); }
 	boost::signals2::connection addNoUnreadMsgsCallback( session_callback_t cb ) { return mNoUnreadMsgsSignal.connect(cb); }
 
-	bool newSession(LLUUID session_id, std::string name, EInstantMessage type, LLUUID other_participant_id, 
+	/**
+	 * Create new session object in a model
+	 */
+	bool newSession(const LLUUID& session_id, const std::string& name, const EInstantMessage& type, const LLUUID& other_participant_id, 
 		const std::vector<LLUUID>& ids = std::vector<LLUUID>());
-	bool clearSession(LLUUID session_id);
-	std::list<LLSD> getMessages(LLUUID session_id, int start_index = 0);
 
-	bool addMessage(LLUUID session_id, std::string from, LLUUID other_participant_id, std::string utf8_text, bool log2file = true);
-	bool addToHistory(LLUUID session_id, std::string from, LLUUID from_id, std::string utf8_text); 
+	/**
+	 * Remove all session data associated with a session specified by session_id
+	 */
+	bool clearSession(const LLUUID& session_id);
 
-	bool logToFile(const LLUUID& session_id, const std::string& from, const std::string& utf8_text);
+	/**
+	 * 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);
 
-	//used to get the name of the session, for use as the title
-	//currently just the other avatar name
+	/**
+	 * Add a message to an IM Model - the message is saved in a message store associated with a session specified by session_id
+	 * and also saved into a file if log2file is specified.
+	 * It sends new message signal for each added message.
+	 */
+	bool addMessage(const LLUUID& session_id, const std::string& from, const LLUUID& other_participant_id, const std::string& utf8_text, bool log2file = true);
+	
+	/**
+	 * Get a session's name. 
+	 * For a P2P chat - it's an avatar's name, 
+	 * For a group chat - it's a group's name
+	 * For an ad-hoc chat - is received from the server and is in a from of "<Avatar's name> conference"
+	 */
 	const std::string& getName(const LLUUID& session_id) const;
 
 	/** 
@@ -150,7 +174,7 @@ public:
 	*/
 	LLIMSpeakerMgr* getSpeakerManager(const LLUUID& session_id) const;
 
-	static void sendLeaveSession(LLUUID session_id, LLUUID other_participant_id);
+	static void sendLeaveSession(const LLUUID& session_id, const LLUUID& other_participant_id);
 	static bool sendStartSession(const LLUUID& temp_session_id, const LLUUID& other_participant_id,
 						  const std::vector<LLUUID>& ids, EInstantMessage dialog);
 	static void sendTypingState(LLUUID session_id, LLUUID other_participant_id, BOOL typing);
@@ -158,6 +182,19 @@ public:
 								const LLUUID& other_participant_id, EInstantMessage dialog);
 
 	void testMessages();
+
+private:
+	
+	/**
+	 * 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); 
+
+	/**
+	 * Save an IM message into a file
+	 */
+	//*TODO should also save uuid of a sender
+	bool logToFile(const LLUUID& session_id, const std::string& from, const std::string& utf8_text);
 };
 
 class LLIMSessionObserver
@@ -183,7 +220,7 @@ public:
 	};
 
 	LLIMMgr();
-	virtual ~LLIMMgr();
+	virtual ~LLIMMgr() {};
 
 	// Add a message to a session. The session can keyed to sesion id
 	// or agent id.
@@ -200,11 +237,6 @@ public:
 
 	void addSystemMessage(const LLUUID& session_id, const std::string& message_name, const LLSD& args);
 
-	// This method returns TRUE if the local viewer has a session
-	// currently open keyed to the uuid. The uuid can be keyed by
-	// either session id or agent id.
-	BOOL isIMSessionOpen(const LLUUID& uuid);
-
 	// This adds a session to the talk view. The name is the local
 	// name of the session, dialog specifies the type of
 	// session. Since sessions can be keyed off of first recipient or
@@ -250,9 +282,6 @@ public:
 	void processIMTypingStart(const LLIMInfo* im_info);
 	void processIMTypingStop(const LLIMInfo* im_info);
 
-	// Rebuild stuff
-	void refresh();
-
 	void notifyNewIM();
 	void clearNewIMNotification();
 
@@ -268,10 +297,6 @@ public:
 	// good connection.
 	void disconnectAllSessions();
 
-	// This is a helper function to determine what kind of im session
-	// should be used for the given agent.
-	static EInstantMessage defaultIMTypeForAgent(const LLUUID& agent_id);
-
 	BOOL hasSession(const LLUUID& session_id);
 
 	// This method returns the im panel corresponding to the uuid
@@ -290,11 +315,18 @@ public:
 	void clearPendingAgentListUpdates(const LLUUID& session_id);
 
 	//HACK: need a better way of enumerating existing session, or listening to session create/destroy events
+	//@deprecated, is used only by LLToolBox, which is not used anywhere, right? (IB)
 	const std::set<LLHandle<LLFloater> >& getIMFloaterHandles() { return mFloaters; }
 
 	void addSessionObserver(LLIMSessionObserver *);
 	void removeSessionObserver(LLIMSessionObserver *);
 
+	//show error statuses to the user
+	void showSessionStartError(const std::string& error_string, const LLUUID session_id);
+	void showSessionEventError(const std::string& event_string, const std::string& error_string, const LLUUID session_id);
+	void showSessionForceClose(const std::string& reason, const LLUUID session_id);
+	static bool onConfirmForceCloseError(const LLSD& notification, const LLSD& response);
+
 	/**
 	 * Start call in a session
 	 * @return false if voice channel doesn't exist
@@ -308,10 +340,11 @@ public:
 	bool endCall(const LLUUID& session_id);
 
 private:
-	// This removes the panel referenced by the uuid, and then
-	// restores internal consistency. The internal pointer is not
-	// deleted.
-	void removeSession(LLUUID session_id);
+
+	/**
+	 * Remove data associated with a particular session specified by session_id
+	 */
+	void removeSession(const LLUUID& session_id);
 
 	// create a panel and update internal representation for
 	// consistency. Returns the pointer, caller (the class instance
@@ -340,8 +373,9 @@ private:
 	void notifyObserverSessionIDUpdated(const LLUUID& old_session_id, const LLUUID& new_session_id);
 
 private:
+	
+	//*TODO should be deleted when Communicate Floater is being deleted
 	std::set<LLHandle<LLFloater> > mFloaters;
-	LLFriendObserver* mFriendObserver;
 
 	typedef std::list <LLIMSessionObserver *> session_observers_list_t;
 	session_observers_list_t mSessionObservers;
@@ -351,9 +385,6 @@ private:
 
 	LLSD mPendingInvitations;
 	LLSD mPendingAgentListUpdates;
-	// ID of a session that is being removed: observers are already told
-	// that this session is being removed, but it is still present in the sessions' map
-	LLUUID	mBeingRemovedSessionID;
 };
 
 class LLIncomingCallDialog : public LLModalDialog
diff --git a/indra/newview/lllandmarkactions.cpp b/indra/newview/lllandmarkactions.cpp
index b36b7cf50e..091346d3b4 100644
--- a/indra/newview/lllandmarkactions.cpp
+++ b/indra/newview/lllandmarkactions.cpp
@@ -348,7 +348,7 @@ LLLandmark* LLLandmarkActions::getLandmark(const LLUUID& landmarkInventoryItemID
 {
 	LLViewerInventoryItem* item = gInventory.getItem(landmarkInventoryItemID);
 	if (NULL == item)
-		return false;
+		return NULL;
 
 	const LLUUID& asset_id = item->getAssetUUID();
 	return gLandmarkList.getAsset(asset_id, NULL);
diff --git a/indra/newview/lllandmarkactions.h b/indra/newview/lllandmarkactions.h
index d651259790..32f05e702b 100644
--- a/indra/newview/lllandmarkactions.h
+++ b/indra/newview/lllandmarkactions.h
@@ -108,7 +108,7 @@ public:
     /**
      * @brief Retrieve a landmark from gLandmarkList by inventory item's id
      * 
-     * @return pointer to loaded landmark from gLandmarkList or NULL if landmark does not exist.
+     * @return pointer to loaded landmark from gLandmarkList or NULL if landmark does not exist or wasn't loaded.
      */
     static LLLandmark* getLandmark(const LLUUID& landmarkInventoryItemID);
 
diff --git a/indra/newview/llnearbychat.cpp b/indra/newview/llnearbychat.cpp
index 148f72703c..12638ab855 100644
--- a/indra/newview/llnearbychat.cpp
+++ b/indra/newview/llnearbychat.cpp
@@ -170,22 +170,6 @@ LLColor4 nearbychat_get_text_color(const LLChat& chat)
 	return text_color;
 }
 
-std::string formatCurrentTime()
-{
-	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::add_timestamped_line(const LLChat& chat, const LLColor4& color)
 {
 	S32 font_size = gSavedSettings.getS32("ChatFontSize");
@@ -210,16 +194,14 @@ void LLNearbyChat::add_timestamped_line(const LLChat& chat, const LLColor4& colo
 	style_params.font(fontp);
 	LLUUID uuid = chat.mFromID;
 	std::string from = chat.mFromName;
-	std::string time = formatCurrentTime();
 	std::string message = chat.mText;
-	mChatHistory->appendWidgetMessage(uuid, from, time, message, style_params);
+	mChatHistory->appendWidgetMessage(chat, style_params);
 }
 
 void	LLNearbyChat::addMessage(const LLChat& chat)
 {
 	LLColor4 color = nearbychat_get_text_color(chat);
 	
-
 	if (chat.mChatType == CHAT_TYPE_DEBUG_MSG)
 	{
 		if(gSavedSettings.getBOOL("ShowScriptErrors") == FALSE)
diff --git a/indra/newview/llnearbychatbar.cpp b/indra/newview/llnearbychatbar.cpp
index 5fa97926a5..217007fb15 100644
--- a/indra/newview/llnearbychatbar.cpp
+++ b/indra/newview/llnearbychatbar.cpp
@@ -45,6 +45,7 @@
 #include "llviewerstats.h"
 #include "llcommandhandler.h"
 #include "llviewercontrol.h"
+#include "llnavigationbar.h"
 
 S32 LLNearbyChatBar::sLastSpecialChatChannel = 0;
 
@@ -177,6 +178,31 @@ void LLGestureComboBox::draw()
 	LLComboBox::draw();
 }
 
+//virtual
+void LLGestureComboBox::showList()
+{
+	LLComboBox::showList();
+
+	// Calculating amount of space between the navigation bar and gestures combo
+	LLNavigationBar* nb = LLNavigationBar::getInstance();
+	S32 x, nb_bottom;
+	nb->localPointToScreen(0, 0, &x, &nb_bottom);
+	
+	S32 list_bottom;
+	mList->localPointToScreen(0, 0, &x, &list_bottom);
+
+	S32 max_height = nb_bottom - list_bottom;
+
+	LLRect rect = mList->getRect();
+	// List overlapped navigation bar, downsize it
+	if (rect.getHeight() > max_height) 
+	{
+		rect.setOriginAndSize(rect.mLeft, rect.mBottom, rect.getWidth(), max_height);
+		mList->setRect(rect);
+		mList->reshape(rect.getWidth(), rect.getHeight());
+	}
+}
+
 LLNearbyChatBar::LLNearbyChatBar() 
 	: LLPanel()
 	, mChatBox(NULL)
diff --git a/indra/newview/llnearbychatbar.h b/indra/newview/llnearbychatbar.h
index b902ff86cc..06204e6367 100644
--- a/indra/newview/llnearbychatbar.h
+++ b/indra/newview/llnearbychatbar.h
@@ -40,7 +40,7 @@
 #include "llchiclet.h"
 #include "llvoiceclient.h"
 #include "lloutputmonitorctrl.h"
-#include "llfloateractivespeakers.h"
+#include "llspeakers.h"
 
 class LLGestureComboBox
 	: public LLComboBox
@@ -62,6 +62,9 @@ public:
 	virtual void changed() { refreshGestures(); }
 
 protected:
+
+	virtual void showList();
+
 	LLFrameTimer mGestureLabelTimer;
 	std::vector<LLMultiGesture*> mGestures;
 	std::string mLabel;
diff --git a/indra/newview/llnotificationtiphandler.cpp b/indra/newview/llnotificationtiphandler.cpp
index 7239f49b7f..543198c1d2 100644
--- a/indra/newview/llnotificationtiphandler.cpp
+++ b/indra/newview/llnotificationtiphandler.cpp
@@ -86,6 +86,20 @@ bool LLTipHandler::processNotification(const LLSD& notify)
 
 	if(notify["sigtype"].asString() == "add" || notify["sigtype"].asString() == "change")
 	{
+		// archive message in nearby chat
+		LLNearbyChat* nearby_chat = LLFloaterReg::getTypedInstance<LLNearbyChat>("nearby_chat", LLSD());
+		if(nearby_chat)
+		{
+			LLChat chat_msg(notification->getMessage());
+			nearby_chat->addMessage(chat_msg);
+
+			// don't show toast if Nearby Chat is opened
+			if (nearby_chat->getVisible())
+			{
+				return true;
+			}			
+		}
+
 		LLToastNotifyPanel* notify_box = new LLToastNotifyPanel(notification);
 
 		LLToast::Params p;
@@ -99,14 +113,6 @@ bool LLTipHandler::processNotification(const LLSD& notify)
 		LLScreenChannel* channel = dynamic_cast<LLScreenChannel*>(mChannel);
 		if(channel)
 			channel->addToast(p);
-
-		// archive message in nearby chat
-		LLNearbyChat* nearby_chat = LLFloaterReg::getTypedInstance<LLNearbyChat>("nearby_chat", LLSD());
-		if(nearby_chat)
-		{
-			LLChat chat_msg(notification->getMessage());
-			nearby_chat->addMessage(chat_msg);
-		}
 	}
 	else if (notify["sigtype"].asString() == "delete")
 	{
diff --git a/indra/newview/llpanelimcontrolpanel.cpp b/indra/newview/llpanelimcontrolpanel.cpp
index 6eed956eb8..f9eeaf1e9e 100644
--- a/indra/newview/llpanelimcontrolpanel.cpp
+++ b/indra/newview/llpanelimcontrolpanel.cpp
@@ -34,6 +34,7 @@
 
 #include "llpanelimcontrolpanel.h"
 
+#include "llagent.h"
 #include "llavataractions.h"
 #include "llavatariconctrl.h"
 #include "llbutton.h"
@@ -41,6 +42,53 @@
 #include "llavatarlist.h"
 #include "llparticipantlist.h"
 #include "llimview.h"
+#include "llvoicechannel.h"
+
+void LLPanelChatControlPanel::onCallButtonClicked()
+{
+	gIMMgr->startCall(mSessionId);
+}
+
+void LLPanelChatControlPanel::onEndCallButtonClicked()
+{
+	gIMMgr->endCall(mSessionId);
+}
+
+BOOL LLPanelChatControlPanel::postBuild()
+{
+	childSetAction("call_btn", boost::bind(&LLPanelChatControlPanel::onCallButtonClicked, this));
+	childSetAction("end_call_btn", boost::bind(&LLPanelChatControlPanel::onEndCallButtonClicked, this));
+
+	return TRUE;
+}
+
+void LLPanelChatControlPanel::draw()
+{
+	// hide/show start call and end call buttons
+	bool voice_enabled = LLVoiceClient::voiceEnabled();
+
+	LLIMModel::LLIMSession* session = LLIMModel::getInstance()->findIMSession(mSessionId);
+	if (!session) return;
+
+	LLVoiceChannel* voice_channel = session->mVoiceChannel;
+	if (voice_channel && voice_enabled)
+	{
+		childSetVisible("end_call_btn", voice_channel->getState() >= LLVoiceChannel::STATE_CALL_STARTED);
+		childSetVisible("call_btn", voice_channel->getState() < LLVoiceChannel::STATE_CALL_STARTED);
+	}
+
+	bool session_initialized = session->mSessionInitialized;
+	bool callback_enabled = session->mCallBackEnabled;
+	LLViewerRegion* region = gAgent.getRegion();
+
+	BOOL enable_connect = (region && region->getCapability("ChatSessionRequest") != "")
+		&& session_initialized
+		&& voice_enabled
+		&& callback_enabled;
+	childSetEnabled("call_btn", enable_connect);
+
+	LLPanel::draw();
+}
 
 LLPanelIMControlPanel::LLPanelIMControlPanel()
 {
@@ -54,11 +102,11 @@ BOOL LLPanelIMControlPanel::postBuild()
 {
 	childSetAction("view_profile_btn", boost::bind(&LLPanelIMControlPanel::onViewProfileButtonClicked, this));
 	childSetAction("add_friend_btn", boost::bind(&LLPanelIMControlPanel::onAddFriendButtonClicked, this));
-	childSetAction("call_btn", boost::bind(&LLPanelIMControlPanel::onCallButtonClicked, this));
+
 	childSetAction("share_btn", boost::bind(&LLPanelIMControlPanel::onShareButtonClicked, this));
 	childSetEnabled("add_friend_btn", !LLAvatarActions::isFriend(getChild<LLAvatarIconCtrl>("avatar_icon")->getAvatarId()));
-
-	return TRUE;
+	
+	return LLPanelChatControlPanel::postBuild();
 }
 
 void LLPanelIMControlPanel::onViewProfileButtonClicked()
@@ -73,22 +121,29 @@ void LLPanelIMControlPanel::onAddFriendButtonClicked()
 	LLAvatarActions::requestFriendshipDialog(avatar_icon->getAvatarId(), full_name);
 }
 
-void LLPanelIMControlPanel::onCallButtonClicked()
-{
-	// *TODO: Implement
-}
-
 void LLPanelIMControlPanel::onShareButtonClicked()
 {
 	// *TODO: Implement
 }
 
-void LLPanelIMControlPanel::setID(const LLUUID& avatar_id)
+void LLPanelIMControlPanel::setSessionId(const LLUUID& session_id)
 {
+	LLPanelChatControlPanel::setSessionId(session_id);
+
+	LLIMModel& im_model = LLIMModel::instance();
+
+	LLUUID avatar_id = im_model.getOtherParticipantID(session_id);
+
 	// Disable "Add friend" button for friends.
 	childSetEnabled("add_friend_btn", !LLAvatarActions::isFriend(avatar_id));
 
 	getChild<LLAvatarIconCtrl>("avatar_icon")->setValue(avatar_id);
+
+	// Disable profile button if participant is not realy SL avatar
+	LLIMModel::LLIMSession* im_session =
+		im_model.findIMSession(session_id);
+	if( im_session && !im_session->mOtherParticipantIsAvatar )
+		childSetEnabled("view_profile_btn", FALSE);
 }
 
 
@@ -100,12 +155,11 @@ LLPanelGroupControlPanel::LLPanelGroupControlPanel(const LLUUID& session_id)
 BOOL LLPanelGroupControlPanel::postBuild()
 {
 	childSetAction("group_info_btn", boost::bind(&LLPanelGroupControlPanel::onGroupInfoButtonClicked, this));
-	childSetAction("call_btn", boost::bind(&LLPanelGroupControlPanel::onCallButtonClicked, this));
 
 	mAvatarList = getChild<LLAvatarList>("speakers_list");
 	mParticipantList = new LLParticipantList(mSpeakerManager, mAvatarList);
 
-	return TRUE;
+	return LLPanelChatControlPanel::postBuild();
 }
 
 LLPanelGroupControlPanel::~LLPanelGroupControlPanel()
@@ -127,13 +181,23 @@ void LLPanelGroupControlPanel::onGroupInfoButtonClicked()
 }
 
 
-void LLPanelGroupControlPanel::onCallButtonClicked()
+void LLPanelGroupControlPanel::setSessionId(const LLUUID& session_id)
 {
-	// *TODO: Implement
+	LLPanelChatControlPanel::setSessionId(session_id);
+
+	mGroupID = LLIMModel::getInstance()->getOtherParticipantID(session_id);
 }
 
 
-void LLPanelGroupControlPanel::setID(const LLUUID& id)
+LLPanelAdHocControlPanel::LLPanelAdHocControlPanel(const LLUUID& session_id):LLPanelGroupControlPanel(session_id)
+{
+}
+
+BOOL LLPanelAdHocControlPanel::postBuild()
 {
-	mGroupID = id;
+	mAvatarList = getChild<LLAvatarList>("speakers_list");
+	mParticipantList = new LLParticipantList(mSpeakerManager, mAvatarList);
+
+	return LLPanelChatControlPanel::postBuild();
 }
+
diff --git a/indra/newview/llpanelimcontrolpanel.h b/indra/newview/llpanelimcontrolpanel.h
index 138b1630c4..220b7b14ba 100644
--- a/indra/newview/llpanelimcontrolpanel.h
+++ b/indra/newview/llpanelimcontrolpanel.h
@@ -45,8 +45,16 @@ public:
 	LLPanelChatControlPanel() {};
 	~LLPanelChatControlPanel() {};
 
-	// sets the group or avatar UUID
-	virtual void setID(const LLUUID& avatar_id)= 0;
+	virtual BOOL postBuild();
+	virtual void draw();
+
+	void onCallButtonClicked();
+	void onEndCallButtonClicked();
+
+	virtual void setSessionId(const LLUUID& session_id) { mSessionId = session_id; }
+
+private:
+	LLUUID mSessionId;
 };
 
 
@@ -58,13 +66,14 @@ public:
 
 	BOOL postBuild();
 
-	void setID(const LLUUID& avatar_id);
+	void setSessionId(const LLUUID& session_id);
 
 private:
 	void onViewProfileButtonClicked();
 	void onAddFriendButtonClicked();
-	void onCallButtonClicked();
 	void onShareButtonClicked();
+
+	LLUUID mAvatarID;
 };
 
 
@@ -76,19 +85,26 @@ public:
 
 	BOOL postBuild();
 
-	void setID(const LLUUID& id);
+	void setSessionId(const LLUUID& session_id);
 	/*virtual*/ void draw();
 
-private:
-	void onGroupInfoButtonClicked();
-	void onCallButtonClicked();
-
+protected:
 	LLUUID mGroupID;
 	LLSpeakerMgr* mSpeakerManager;
 	LLAvatarList* mAvatarList;
 	LLParticipantList* mParticipantList;
+
+private:
+	void onGroupInfoButtonClicked();
 };
 
+class LLPanelAdHocControlPanel : public LLPanelGroupControlPanel
+{
+public:
+	LLPanelAdHocControlPanel(const LLUUID& session_id);
+
+	BOOL postBuild();
 
+};
 
 #endif // LL_LLPANELIMCONTROLPANEL_H
diff --git a/indra/newview/llpanellandmarks.cpp b/indra/newview/llpanellandmarks.cpp
index 83fb147a49..3d0db71045 100644
--- a/indra/newview/llpanellandmarks.cpp
+++ b/indra/newview/llpanellandmarks.cpp
@@ -38,10 +38,12 @@
 #include "llsdutil.h"
 #include "llsdutil_math.h"
 
+#include "llaccordionctrl.h"
 #include "llaccordionctrltab.h"
 #include "llagent.h"
 #include "llagentpicksinfo.h"
 #include "llagentui.h"
+#include "llcallbacklist.h"
 #include "lldndbutton.h"
 #include "llfloaterworldmap.h"
 #include "llfolderviewitem.h"
@@ -56,7 +58,7 @@
 //static LLRegisterPanelClassWrapper<LLLandmarksPanel> t_landmarks("panel_landmarks");
 
 static const std::string OPTIONS_BUTTON_NAME = "options_gear_btn";
-static const std::string ADD_LANDMARK_BUTTON_NAME = "add_landmark_btn";
+static const std::string ADD_BUTTON_NAME = "add_btn";
 static const std::string ADD_FOLDER_BUTTON_NAME = "add_folder_btn";
 static const std::string TRASH_BUTTON_NAME = "trash_btn";
 
@@ -75,6 +77,7 @@ LLLandmarksPanel::LLLandmarksPanel()
 	,	mListCommands(NULL)
 	,	mGearFolderMenu(NULL)
 	,	mGearLandmarkMenu(NULL)
+	,	mDirtyFilter(false)
 {
 	LLUICtrlFactory::getInstance()->buildPanel(this, "panel_landmarks.xml");
 }
@@ -98,16 +101,37 @@ BOOL LLLandmarksPanel::postBuild()
 	initMyInventroyPanel();
 	initLibraryInventroyPanel();
 
+	gIdleCallbacks.addFunction(LLLandmarksPanel::doIdle, this);
 	return TRUE;
 }
 
 // virtual
 void LLLandmarksPanel::onSearchEdit(const std::string& string)
 {
+	static std::string prev_string("");
+
+	if (prev_string == string) return;
+
+	// show all folders in Landmarks Accordion for empty filter
+	mLandmarksInventoryPanel->setShowFolderState(string.empty() ?
+		LLInventoryFilter::SHOW_ALL_FOLDERS :
+		LLInventoryFilter::SHOW_NON_EMPTY_FOLDERS
+		);
+
 	filter_list(mFavoritesInventoryPanel, string);
 	filter_list(mLandmarksInventoryPanel, string);
 	filter_list(mMyInventoryPanel, string);
 	filter_list(mLibraryInventoryPanel, string);
+
+	prev_string = string;
+	mDirtyFilter = true;
+
+	// give FolderView a chance to be refreshed. So, made all accordions visible
+	for (accordion_tabs_t::const_iterator iter = mAccordionTabs.begin(); iter != mAccordionTabs.end(); ++iter)
+	{
+		LLAccordionCtrlTab* tab = *iter;
+		tab->setVisible(true);
+	}
 }
 
 // virtual
@@ -300,6 +324,8 @@ void LLLandmarksPanel::processParcelInfo(const LLParcelData& parcel_data)
 					panel_pick, panel_places,params));
 			panel_pick->setSaveCallback(boost::bind(&LLLandmarksPanel::onPickPanelExit,this,
 				panel_pick, panel_places,params));
+			panel_pick->setCancelCallback(boost::bind(&LLLandmarksPanel::onPickPanelExit,this,
+							panel_pick, panel_places,params));
 		}
 	}
 }
@@ -389,6 +415,7 @@ void LLLandmarksPanel::initLandmarksPanel(LLInventorySubTreePanel* inventory_lis
 void LLLandmarksPanel::initAccordion(const std::string& accordion_tab_name, LLInventorySubTreePanel* inventory_list)
 {
 	LLAccordionCtrlTab* accordion_tab = getChild<LLAccordionCtrlTab>(accordion_tab_name);
+	mAccordionTabs.push_back(accordion_tab);
 	accordion_tab->setDropDownStateChangedCallback(
 		boost::bind(&LLLandmarksPanel::onAccordionExpandedCollapsed, this, _2, inventory_list));
 }
@@ -433,11 +460,11 @@ void LLLandmarksPanel::initListCommandsHandlers()
 	mListCommands = getChild<LLPanel>("bottom_panel");
 
 	mListCommands->childSetAction(OPTIONS_BUTTON_NAME, boost::bind(&LLLandmarksPanel::onActionsButtonClick, this));
-	mListCommands->childSetAction(ADD_LANDMARK_BUTTON_NAME, boost::bind(&LLLandmarksPanel::onAddLandmarkButtonClick, this));
-	mListCommands->childSetAction(ADD_FOLDER_BUTTON_NAME, boost::bind(&LLLandmarksPanel::onAddFolderButtonClick, this));
 	mListCommands->childSetAction(TRASH_BUTTON_NAME, boost::bind(&LLLandmarksPanel::onTrashButtonClick, this));
+	mListCommands->getChild<LLButton>(ADD_BUTTON_NAME)->setHeldDownCallback(boost::bind(&LLLandmarksPanel::onAddButtonHeldDown, this));
+	static const LLSD add_landmark_command("add_landmark");
+	mListCommands->childSetAction(ADD_BUTTON_NAME, boost::bind(&LLLandmarksPanel::onAddAction, this, add_landmark_command));
 
-	
 	LLDragAndDropButton* trash_btn = mListCommands->getChild<LLDragAndDropButton>(TRASH_BUTTON_NAME);
 	trash_btn->setDragAndDropHandler(boost::bind(&LLLandmarksPanel::handleDragAndDropToTrash, this
 			,	_4 // BOOL drop
@@ -453,6 +480,7 @@ void LLLandmarksPanel::initListCommandsHandlers()
 	mEnableCallbackRegistrar.add("Places.LandmarksGear.Enable", boost::bind(&LLLandmarksPanel::isActionEnabled, this, _2));
 	mGearLandmarkMenu = LLUICtrlFactory::getInstance()->createFromFile<LLMenuGL>("menu_places_gear_landmark.xml", gMenuHolder, LLViewerMenuHolderGL::child_registry_t::instance());
 	mGearFolderMenu = LLUICtrlFactory::getInstance()->createFromFile<LLMenuGL>("menu_places_gear_folder.xml", gMenuHolder, LLViewerMenuHolderGL::child_registry_t::instance());
+	mMenuAdd = LLUICtrlFactory::getInstance()->createFromFile<LLMenuGL>("menu_place_add_button.xml", gMenuHolder, LLViewerMenuHolderGL::child_registry_t::instance());
 }
 
 
@@ -488,52 +516,26 @@ void LLLandmarksPanel::onActionsButtonClick()
 		mGearFolderMenu->getChild<LLMenuItemCallGL>("collapse")->setVisible(cur_item->isOpen());
 		menu = mGearFolderMenu;
 	}
-	if(menu)
-	{
-		menu->buildDrawLabels();
-		menu->updateParent(LLMenuGL::sMenuContainer);
-		LLView* actions_btn  = getChild<LLView>(OPTIONS_BUTTON_NAME);
-		S32 menu_x, menu_y;
-		actions_btn->localPointToOtherView(0,actions_btn->getRect().getHeight(),&menu_x,&menu_y, this);
-		menu_y += menu->getRect().getHeight();
-		LLMenuGL::showPopup(this, menu, menu_x,menu_y);
-	}
+	showActionMenu(menu,OPTIONS_BUTTON_NAME);
 }
 
-void LLLandmarksPanel::onAddLandmarkButtonClick() const
+void LLLandmarksPanel::onAddButtonHeldDown()
 {
-	if(LLLandmarkActions::landmarkAlreadyExists())
-	{
-		std::string location;
-		LLAgentUI::buildLocationString(location, LLAgentUI::LOCATION_FORMAT_FULL);
-		llwarns<<" Landmark already exists at location:  "<< location<<llendl;
-		return;
-	}
-	LLSideTray::getInstance()->showPanel("panel_places", LLSD().insert("type", "create_landmark"));
+	showActionMenu(mMenuAdd,ADD_BUTTON_NAME);
 }
 
-void LLLandmarksPanel::onAddFolderButtonClick() const
+void LLLandmarksPanel::showActionMenu(LLMenuGL* menu, std::string spawning_view_name)
 {
-	LLFolderViewItem*  item = getCurSelectedItem();
-	if(item &&  mCurrentSelectedList == mLandmarksInventoryPanel)
+	if (menu)
 	{
-		LLFolderViewEventListener* folder_bridge = NULL;
-		if(item-> getListener()->getInventoryType() == LLInventoryType::IT_LANDMARK)
-		{
-			// for a landmark get parent folder bridge
-			folder_bridge = item->getParentFolder()->getListener();
-		}
-		else if (item-> getListener()->getInventoryType() == LLInventoryType::IT_CATEGORY) 
-		{
-			// for a folder get its own bridge
-			folder_bridge = item->getListener();
-		}
-
-		menu_create_inventory_item(mCurrentSelectedList->getRootFolder()
-			, dynamic_cast<LLFolderBridge*>(folder_bridge)
-			, LLSD("category")
-			, gInventory.findCategoryUUIDForType(LLAssetType::AT_LANDMARK)
-			);
+		menu->buildDrawLabels();
+		menu->updateParent(LLMenuGL::sMenuContainer);
+		LLView* spawning_view = getChild<LLView> (spawning_view_name);
+		S32 menu_x, menu_y;
+		//show menu in co-ordinates of panel
+		spawning_view->localPointToOtherView(0, spawning_view->getRect().getHeight(), &menu_x, &menu_y, this);
+		menu_y += menu->getRect().getHeight();
+		LLMenuGL::showPopup(this, menu, menu_x, menu_y);
 	}
 }
 
@@ -547,11 +549,39 @@ void LLLandmarksPanel::onAddAction(const LLSD& userdata) const
 	std::string command_name = userdata.asString();
 	if("add_landmark" == command_name)
 	{
-		onAddLandmarkButtonClick();
+		if(LLLandmarkActions::landmarkAlreadyExists())
+		{
+			std::string location;
+			LLAgentUI::buildLocationString(location, LLAgentUI::LOCATION_FORMAT_FULL);
+			llwarns<<" Landmark already exists at location:  "<< location<<llendl;
+			return;
+		}
+		LLSideTray::getInstance()->showPanel("panel_places", LLSD().insert("type", "create_landmark"));
 	} 
 	else if ("category" == command_name)
 	{
-		onAddFolderButtonClick();
+		LLFolderViewItem* item = getCurSelectedItem();
+		if (item && mCurrentSelectedList == mLandmarksInventoryPanel)
+		{
+			LLFolderViewEventListener* folder_bridge = NULL;
+			if (item-> getListener()->getInventoryType()
+					== LLInventoryType::IT_LANDMARK)
+			{
+				// for a landmark get parent folder bridge
+				folder_bridge = item->getParentFolder()->getListener();
+			}
+			else if (item-> getListener()->getInventoryType()
+					== LLInventoryType::IT_CATEGORY)
+			{
+				// for a folder get its own bridge
+				folder_bridge = item->getListener();
+			}
+
+			menu_create_inventory_item(mCurrentSelectedList->getRootFolder(),
+					dynamic_cast<LLFolderBridge*> (folder_bridge), LLSD(
+							"category"), gInventory.findCategoryUUIDForType(
+							LLAssetType::AT_LANDMARK));
+		}
 	}
 }
 
@@ -854,6 +884,43 @@ bool LLLandmarksPanel::handleDragAndDropToTrash(BOOL drop, EDragAndDropType carg
 }
 
 
+void LLLandmarksPanel::doIdle(void* landmarks_panel)
+{
+	LLLandmarksPanel* panel = (LLLandmarksPanel* ) landmarks_panel;
+
+	if (panel->mDirtyFilter)
+	{
+		panel->updateFilteredAccordions();
+	}
+
+}
+
+void LLLandmarksPanel::updateFilteredAccordions()
+{
+	LLInventoryPanel* inventory_list = NULL;
+	LLAccordionCtrlTab* accordion_tab = NULL;
+	for (accordion_tabs_t::const_iterator iter = mAccordionTabs.begin(); iter != mAccordionTabs.end(); ++iter)
+	{
+		accordion_tab = *iter;
+		inventory_list = dynamic_cast<LLInventorySubTreePanel*> (accordion_tab->getAccordionView());
+		if (NULL == inventory_list) continue;
+		LLFolderView* fv = inventory_list->getRootFolder();
+
+		bool has_visible_children = fv->hasVisibleChildren();
+
+		accordion_tab->setVisible(has_visible_children);
+	}
+
+	// we have to arrange accordion tabs for cases when filter string is less restrictive but 
+	// all items are still filtered.
+	static LLAccordionCtrl* accordion = getChild<LLAccordionCtrl>("landmarks_accordion");
+	accordion->arrange();
+
+	// now filter state is applied to accordion tabs
+	mDirtyFilter = false;
+}
+
+
 //////////////////////////////////////////////////////////////////////////
 // HELPER FUNCTIONS
 //////////////////////////////////////////////////////////////////////////
diff --git a/indra/newview/llpanellandmarks.h b/indra/newview/llpanellandmarks.h
index 47c9f7647c..0e7abb4865 100644
--- a/indra/newview/llpanellandmarks.h
+++ b/indra/newview/llpanellandmarks.h
@@ -41,6 +41,7 @@
 #include "llpanelpick.h"
 #include "llremoteparcelrequest.h"
 
+class LLAccordionCtrlTab;
 class LLFolderViewItem;
 class LLMenuGL;
 class LLInventoryPanel;
@@ -90,8 +91,8 @@ private:
 	void initListCommandsHandlers();
 	void updateListCommands();
 	void onActionsButtonClick();
-	void onAddLandmarkButtonClick() const;
-	void onAddFolderButtonClick() const;
+	void showActionMenu(LLMenuGL* menu, std::string spawning_view_name);
+	void onAddButtonHeldDown();
 	void onTrashButtonClick() const;
 	void onAddAction(const LLSD& command_name) const;
 	void onClipboardAction(const LLSD& command_name) const;
@@ -114,6 +115,18 @@ private:
 	 */
 	bool handleDragAndDropToTrash(BOOL drop, EDragAndDropType cargo_type, EAcceptance* accept);
 
+	/**
+	 * Static callback for gIdleCallbacks to perform actions out of drawing
+	 */
+	static void doIdle(void* landmarks_panel);
+
+	/**
+	 * Updates accordions according to filtered items in lists.
+	 *
+	 * It hides accordion for empty lists
+	 */
+	void updateFilteredAccordions();
+
 private:
 	LLInventorySubTreePanel*	mFavoritesInventoryPanel;
 	LLInventorySubTreePanel*	mLandmarksInventoryPanel;
@@ -121,10 +134,15 @@ private:
 	LLInventorySubTreePanel*	mLibraryInventoryPanel;
 	LLMenuGL*					mGearLandmarkMenu;
 	LLMenuGL*					mGearFolderMenu;
+	LLMenuGL*					mMenuAdd;
 	LLInventorySubTreePanel*	mCurrentSelectedList;
 
 	LLPanel*					mListCommands;
 	bool 						mSortByDate;
+	bool						mDirtyFilter;
+	
+	typedef	std::vector<LLAccordionCtrlTab*> accordion_tabs_t;
+	accordion_tabs_t			mAccordionTabs;
 };
 
 #endif //LL_LLPANELLANDMARKS_H
diff --git a/indra/newview/llpanelpeople.cpp b/indra/newview/llpanelpeople.cpp
index 61d66873ea..4580eeb336 100644
--- a/indra/newview/llpanelpeople.cpp
+++ b/indra/newview/llpanelpeople.cpp
@@ -413,13 +413,17 @@ BOOL LLPanelPeople::postBuild()
 	mOnlineFriendList = getChild<LLPanel>(FRIENDS_TAB_NAME)->getChild<LLAvatarList>("avatars_online");
 	mAllFriendList = getChild<LLPanel>(FRIENDS_TAB_NAME)->getChild<LLAvatarList>("avatars_all");
 	mOnlineFriendList->setNoItemsCommentText(getString("no_friends_online"));
+	mOnlineFriendList->setShowIcons("FriendsListShowIcons");
 	mAllFriendList->setNoItemsCommentText(getString("no_friends"));
+	mAllFriendList->setShowIcons("FriendsListShowIcons");
 
 	mNearbyList = getChild<LLPanel>(NEARBY_TAB_NAME)->getChild<LLAvatarList>("avatar_list");
 	mNearbyList->setNoItemsCommentText(getString("no_one_near"));
+	mNearbyList->setShowIcons("NearbyListShowIcons");
 
 	mRecentList = getChild<LLPanel>(RECENT_TAB_NAME)->getChild<LLAvatarList>("avatar_list");
 	mRecentList->setNoItemsCommentText(getString("no_people"));
+	mRecentList->setShowIcons("RecentListShowIcons");
 
 	mGroupList = getChild<LLGroupList>("group_list");
 	mGroupList->setNoItemsCommentText(getString("no_groups"));
@@ -611,6 +615,10 @@ void LLPanelPeople::updateButtons()
 	bool recent_tab_active	= (cur_tab == RECENT_TAB_NAME);
 	LLUUID selected_id;
 
+	std::vector<LLUUID> selected_uuids;
+	getCurrentItemIDs(selected_uuids);
+	bool item_selected = (selected_uuids.size() == 1);
+
 	buttonSetVisible("group_info_btn",		group_tab_active);
 	buttonSetVisible("chat_btn",			group_tab_active);
 	buttonSetVisible("add_friend_btn",		nearby_tab_active || recent_tab_active);
@@ -621,7 +629,6 @@ void LLPanelPeople::updateButtons()
 
 	if (group_tab_active)
 	{
-		bool item_selected = mGroupList->getSelectedItem() != NULL;
 		bool cur_group_active = true;
 
 		if (item_selected)
@@ -629,7 +636,7 @@ void LLPanelPeople::updateButtons()
 			selected_id = mGroupList->getSelectedUUID();
 			cur_group_active = (gAgent.getGroupID() == selected_id);
 		}
-	
+
 		LLPanel* groups_panel = mTabContainer->getCurrentPanel();
 		groups_panel->childSetEnabled("activate_btn",	item_selected && !cur_group_active); // "none" or a non-active group selected
 		groups_panel->childSetEnabled("plus_btn",		item_selected);
@@ -640,18 +647,18 @@ void LLPanelPeople::updateButtons()
 		bool is_friend = true;
 
 		// Check whether selected avatar is our friend.
-		if ((selected_id = getCurrentItemID()).notNull())
+		if (item_selected)
 		{
+			selected_id = selected_uuids.front();
 			is_friend = LLAvatarTracker::instance().getBuddyInfo(selected_id) != NULL;
 		}
 
 		childSetEnabled("add_friend_btn",	!is_friend);
 	}
 
-	bool item_selected = selected_id.notNull();
 	buttonSetEnabled("teleport_btn",		friends_tab_active && item_selected);
 	buttonSetEnabled("view_profile_btn",	item_selected);
-	buttonSetEnabled("im_btn",				item_selected);
+	buttonSetEnabled("im_btn",				(selected_uuids.size() >= 1)); // allow starting the friends conference for multiple selection
 	buttonSetEnabled("call_btn",			item_selected && false); // not implemented yet
 	buttonSetEnabled("share_btn",			item_selected && false); // not implemented yet
 	buttonSetEnabled("group_info_btn",		item_selected);
@@ -877,7 +884,17 @@ void LLPanelPeople::onAddFriendWizButtonClicked()
 
 void LLPanelPeople::onDeleteFriendButtonClicked()
 {
-	LLAvatarActions::removeFriendDialog(getCurrentItemID());
+	std::vector<LLUUID> selected_uuids;
+	getCurrentItemIDs(selected_uuids);
+
+	if (selected_uuids.size() == 1)
+	{
+		LLAvatarActions::removeFriendDialog( selected_uuids.front() );
+	}
+	else if (selected_uuids.size() > 1)
+	{
+		LLAvatarActions::removeFriendsDialog( selected_uuids );
+	}
 }
 
 void LLPanelPeople::onGroupInfoButtonClicked()
@@ -963,6 +980,8 @@ void LLPanelPeople::onFriendsViewSortMenuItemClicked(const LLSD& userdata)
 	}
 	else if (chosen_item == "view_icons")
 	{
+		mAllFriendList->toggleIcons();
+		mOnlineFriendList->toggleIcons();
 	}
 	else if (chosen_item == "organize_offline")
 	{
@@ -992,6 +1011,7 @@ void LLPanelPeople::onNearbyViewSortMenuItemClicked(const LLSD& userdata)
 	}
 	else if (chosen_item == "view_icons")
 	{
+		mNearbyList->toggleIcons();
 	}
 	else if (chosen_item == "sort_distance")
 	{
@@ -1011,7 +1031,7 @@ void LLPanelPeople::onRecentViewSortMenuItemClicked(const LLSD& userdata)
 	}
 	else if (chosen_item == "view_icons")
 	{
-		// *TODO: implement showing/hiding icons
+		mRecentList->toggleIcons();
 	}
 }
 
diff --git a/indra/newview/llpanelplaceinfo.cpp b/indra/newview/llpanelplaceinfo.cpp
index cb9f7184f0..5af27a5ec1 100644
--- a/indra/newview/llpanelplaceinfo.cpp
+++ b/indra/newview/llpanelplaceinfo.cpp
@@ -55,6 +55,8 @@
 #include "llagent.h"
 #include "llagentui.h"
 #include "llavatarpropertiesprocessor.h"
+#include "llcallbacklist.h"
+#include "llexpandabletextbox.h"
 #include "llfloaterworldmap.h"
 #include "llfloaterbuycurrency.h"
 #include "llinventorymodel.h"
@@ -65,6 +67,7 @@
 #include "llviewerinventory.h"
 #include "llviewerparcelmgr.h"
 #include "llviewerregion.h"
+#include "llviewercontrol.h" 
 #include "llviewertexteditor.h"
 #include "llworldmap.h"
 #include "llsdutil_math.h"
@@ -76,7 +79,6 @@
 typedef std::pair<LLUUID, std::string> folder_pair_t;
 
 static bool cmp_folders(const folder_pair_t& left, const folder_pair_t& right);
-static std::string getFullFolderName(const LLViewerInventoryCategory* cat);
 static void collectLandmarkFolders(LLInventoryModel::cat_array_t& cats);
 
 static LLRegisterPanelClassWrapper<LLPanelPlaceInfo> t_place_info("panel_place_info");
@@ -111,7 +113,7 @@ BOOL LLPanelPlaceInfo::postBuild()
 
 	mForSalePanel = getChild<LLPanel>("for_sale_panel");
 	mYouAreHerePanel = getChild<LLPanel>("here_panel");
-	LLViewerParcelMgr::getInstance()->addAgentParcelChangedCallback(boost::bind(&LLPanelPlaceInfo::updateYouAreHereBanner,this));
+	gIdleCallbacks.addFunction(&LLPanelPlaceInfo::updateYouAreHereBanner, this);
 	
 	//Icon value should contain sale price of last selected parcel. 
 	mForSalePanel->getChild<LLIconCtrl>("icon_for_sale")->
@@ -120,7 +122,7 @@ BOOL LLPanelPlaceInfo::postBuild()
 	mSnapshotCtrl = getChild<LLTextureCtrl>("logo");
 	mRegionName = getChild<LLTextBox>("region_title");
 	mParcelName = getChild<LLTextBox>("parcel_title");
-	mDescEditor = getChild<LLTextEditor>("description");
+	mDescEditor = getChild<LLExpandableTextBox>("description");
 
 	mMaturityRatingText = getChild<LLTextBox>("maturity_value");
 	mParcelOwner = getChild<LLTextBox>("owner_value");
@@ -456,13 +458,13 @@ void LLPanelPlaceInfo::processParcelInfo(const LLParcelData& parcel_data)
 		mSnapshotCtrl->setImageAssetID(parcel_data.snapshot_id);
 	}
 
-	if(!parcel_data.name.empty())
+	if(!parcel_data.sim_name.empty())
 	{
-		mParcelName->setText(parcel_data.name);
+		mRegionName->setText(parcel_data.sim_name);
 	}
 	else
 	{
-		mParcelName->setText(LLStringUtil::null);
+		mRegionName->setText(LLStringUtil::null);
 	}
 
 	if(!parcel_data.desc.empty())
@@ -509,19 +511,22 @@ void LLPanelPlaceInfo::processParcelInfo(const LLParcelData& parcel_data)
 		region_z = llround(mPosRegion.mV[VZ]);
 	}
 
-	std::string name = getString("not_available");
-	if (!parcel_data.sim_name.empty())
+	if (!parcel_data.name.empty())
 	{
-		name = llformat("%s (%d, %d, %d)",
-						parcel_data.sim_name.c_str(), region_x, region_y, region_z);
-		mRegionName->setText(name);
+		mParcelName->setText(llformat("%s (%d, %d, %d)",
+							 parcel_data.name.c_str(), region_x, region_y, region_z));
+	}
+	else
+	{
+		mParcelName->setText(getString("not_available"));
 	}
 
 	if (mInfoType == CREATE_LANDMARK)
 	{
 		if (parcel_data.name.empty())
 		{
-			mTitleEditor->setText(name);
+			mTitleEditor->setText(llformat("%s (%d, %d, %d)",
+								  parcel_data.sim_name.c_str(), region_x, region_y, region_z));
 		}
 		else
 		{
@@ -610,6 +615,9 @@ void LLPanelPlaceInfo::displaySelectedParcelInfo(LLParcel* parcel,
 	parcel_data.name = parcel->getName();
 	parcel_data.sim_name = region->getName();
 	parcel_data.snapshot_id = parcel->getSnapshotID();
+	mPosRegion.setVec((F32)fmod(pos_global.mdV[VX], (F64)REGION_WIDTH_METERS),
+					  (F32)fmod(pos_global.mdV[VY], (F64)REGION_WIDTH_METERS),
+					  (F32)pos_global.mdV[VZ]);
 	parcel_data.global_x = pos_global.mdV[VX];
 	parcel_data.global_y = pos_global.mdV[VY];
 	parcel_data.global_z = pos_global.mdV[VZ];
@@ -986,18 +994,22 @@ void LLPanelPlaceInfo::populateFoldersList()
 		mFolderCombo->add(it->second, LLSD(it->first));
 }
 
-void LLPanelPlaceInfo::updateYouAreHereBanner()
+//static
+void LLPanelPlaceInfo::updateYouAreHereBanner(void* userdata)
 {
 	//YouAreHere Banner should be displayed only for selected places, 
 	// If you want to display it for landmark or teleport history item, you should check by mParcelId
 	
-	bool is_you_are_here = false;
-	if (mSelectedParcelID != S32(-1) && !mLastSelectedRegionID.isNull())
-	{
-		is_you_are_here = gAgent.getRegion()->getRegionID()== mLastSelectedRegionID &&
-		mSelectedParcelID == LLViewerParcelMgr::getInstance()->getAgentParcel()->getLocalID();
-	}
-	mYouAreHerePanel->setVisible(is_you_are_here);
+	LLPanelPlaceInfo* self  = static_cast<LLPanelPlaceInfo*>(userdata);
+	if(!self->getVisible())
+		return;
+
+	static F32 radius  = gSavedSettings.getF32("YouAreHereDistance");
+
+	BOOL display_banner = self->mLastSelectedRegionID == gAgent.getRegion()->getRegionID() && 
+			LLAgentUI::checkAgentDistance(self->mPosRegion, radius);
+
+	self->mYouAreHerePanel->setVisible(display_banner);
 }
 
 void LLPanelPlaceInfo::onForSaleBannerClick()
@@ -1028,14 +1040,9 @@ void LLPanelPlaceInfo::onForSaleBannerClick()
 	
 	
 }
- 
-
-static bool cmp_folders(const folder_pair_t& left, const folder_pair_t& right)
-{
-	return left.second < right.second;
-}
 
-static std::string getFullFolderName(const LLViewerInventoryCategory* cat)
+/*static*/
+std::string LLPanelPlaceInfo::getFullFolderName(const LLViewerInventoryCategory* cat)
 {
 	std::string name = cat->getName();
 	LLUUID parent_id;
@@ -1057,6 +1064,11 @@ static std::string getFullFolderName(const LLViewerInventoryCategory* cat)
 	return name;
 }
 
+static bool cmp_folders(const folder_pair_t& left, const folder_pair_t& right)
+{
+	return left.second < right.second;
+}
+
 static void collectLandmarkFolders(LLInventoryModel::cat_array_t& cats)
 {
 	LLUUID landmarks_id = gInventory.findCategoryUUIDForType(LLAssetType::AT_LANDMARK);
diff --git a/indra/newview/llpanelplaceinfo.h b/indra/newview/llpanelplaceinfo.h
index 7b3a8f050b..07a2434d59 100644
--- a/indra/newview/llpanelplaceinfo.h
+++ b/indra/newview/llpanelplaceinfo.h
@@ -43,6 +43,7 @@
 
 class LLButton;
 class LLComboBox;
+class LLExpandableTextBox;
 class LLInventoryItem;
 class LLLineEditor;
 class LLPanelPickEdit;
@@ -52,6 +53,7 @@ class LLTextBox;
 class LLTextEditor;
 class LLTextureCtrl;
 class LLViewerRegion;
+class LLViewerInventoryCategory;
 
 class LLPanelPlaceInfo : public LLPanel, LLRemoteParcelInfoObserver
 {
@@ -131,11 +133,13 @@ public:
 
 	/*virtual*/ void processParcelInfo(const LLParcelData& parcel_data);
 	/*virtual*/ void handleVisibilityChange (BOOL new_visibility);
+	
+	 static std::string getFullFolderName(const LLViewerInventoryCategory* cat);
 
 private:
 
 	void populateFoldersList();
-	void updateYouAreHereBanner();
+	static void updateYouAreHereBanner(void*);// added to gIdleCallbacks
 	void onForSaleBannerClick();
 
 	/**
@@ -161,7 +165,7 @@ private:
 	LLTextureCtrl*		mSnapshotCtrl;
 	LLTextBox*			mRegionName;
 	LLTextBox*			mParcelName;
-	LLTextEditor*		mDescEditor;
+	LLExpandableTextBox*mDescEditor;
 	LLTextBox*			mMaturityRatingText;
 	LLTextBox*			mParcelOwner;
 	LLTextBox*			mLastVisited;
diff --git a/indra/newview/llpanelplaces.cpp b/indra/newview/llpanelplaces.cpp
index 5ab823b6e5..b2e9110e96 100644
--- a/indra/newview/llpanelplaces.cpp
+++ b/indra/newview/llpanelplaces.cpp
@@ -351,7 +351,16 @@ void LLPanelPlaces::setItem(LLInventoryItem* item)
 
 	if (is_landmark_editable)
 	{
-		mPlaceInfo->setLandmarkFolder(mItem->getParentUUID());
+		if(!mPlaceInfo->setLandmarkFolder(mItem->getParentUUID()) && !mItem->getParentUUID().isNull())
+		{
+			const LLViewerInventoryCategory* cat = gInventory.getCategory(mItem->getParentUUID());
+			if(cat)
+			{
+				std::string cat_fullname = LLPanelPlaceInfo::getFullFolderName(cat);
+				LLComboBox* folderList = mPlaceInfo->getChild<LLComboBox>("folder_combo");
+				folderList->add(cat_fullname, cat->getUUID(),ADD_TOP);
+			}
+		}
 	}
 
 	mPlaceInfo->displayItemInfo(mItem);
diff --git a/indra/newview/llparticipantlist.cpp b/indra/newview/llparticipantlist.cpp
index 25e773e8b8..e97eb1df2b 100644
--- a/indra/newview/llparticipantlist.cpp
+++ b/indra/newview/llparticipantlist.cpp
@@ -34,7 +34,7 @@
 
 #include "llparticipantlist.h"
 #include "llavatarlist.h"
-#include "llfloateractivespeakers.h"
+#include "llspeakers.h"
 
 //LLParticipantList retrieves add, clear and remove events and updates view accordingly 
 LLParticipantList::LLParticipantList(LLSpeakerMgr* data_source, LLAvatarList* avatar_list):
@@ -48,6 +48,18 @@ LLParticipantList::LLParticipantList(LLSpeakerMgr* data_source, LLAvatarList* av
 	mSpeakerMgr->addListener(mSpeakerAddListener, "add");
 	mSpeakerMgr->addListener(mSpeakerRemoveListener, "remove");
 	mSpeakerMgr->addListener(mSpeakerClearListener, "clear");
+
+	//Lets fill avatarList with existing speakers
+	LLAvatarList::uuid_vector_t& group_members = mAvatarList->getIDs();
+
+	LLSpeakerMgr::speaker_list_t speaker_list;
+	mSpeakerMgr->getSpeakerList(&speaker_list, true);
+	for(LLSpeakerMgr::speaker_list_t::iterator it = speaker_list.begin(); it != speaker_list.end(); it++)
+	{
+		group_members.push_back((*it)->mID);
+	}
+	mAvatarList->setDirty();
+	mAvatarList->sortByName();
 }
 
 LLParticipantList::~LLParticipantList()
@@ -87,8 +99,12 @@ bool LLParticipantList::SpeakerAddListener::handleEvent(LLPointer<LLOldEvents::L
 bool LLParticipantList::SpeakerRemoveListener::handleEvent(LLPointer<LLOldEvents::LLEvent> event, const LLSD& userdata)
 {
 	LLAvatarList::uuid_vector_t& group_members = mAvatarList->getIDs();
-	group_members.erase(std::find(group_members.begin(), group_members.end(), event->getValue().asUUID()));
-	mAvatarList->setDirty();
+	LLAvatarList::uuid_vector_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();
+	}
 	return true;
 }
 
diff --git a/indra/newview/llscreenchannel.cpp b/indra/newview/llscreenchannel.cpp
index 1683d113a9..73dcd1dd92 100644
--- a/indra/newview/llscreenchannel.cpp
+++ b/indra/newview/llscreenchannel.cpp
@@ -191,19 +191,22 @@ void LLScreenChannel::onToastFade(LLToast* toast)
 {	
 	std::vector<ToastElem>::iterator it = find(mToastList.begin(), mToastList.end(), static_cast<LLPanel*>(toast));
 		
-	bool delete_toast = !mCanStoreToasts || !toast->getCanBeStored();
-	if(delete_toast)
-	{
-		mToastList.erase(it);
-		deleteToast(toast);
-	}
-	else
+	if(it != mToastList.end())
 	{
-		storeToast((*it));
-		mToastList.erase(it);
-	}	
+		bool delete_toast = !mCanStoreToasts || !toast->getCanBeStored();
+		if(delete_toast)
+		{
+			mToastList.erase(it);
+			deleteToast(toast);
+		}
+		else
+		{
+			storeToast((*it));
+			mToastList.erase(it);
+		}	
 
-	redrawToasts();
+		redrawToasts();
+	}
 }
 
 //--------------------------------------------------------------------------
@@ -247,6 +250,7 @@ void LLScreenChannel::loadStoredToastsToChannel()
 
 	for(it = mStoredToastList.begin(); it != mStoredToastList.end(); ++it)
 	{
+		(*it).toast->setIsHidden(false);
 		(*it).toast->resetTimer();
 		mToastList.push_back((*it));
 	}
@@ -266,6 +270,7 @@ void LLScreenChannel::loadStoredToastByNotificationIDToChannel(LLUUID id)
 	mOverflowToastHidden = false;
 
 	LLToast* toast = (*it).toast;
+	toast->setIsHidden(false);
 	toast->resetTimer();
 	mToastList.push_back((*it));
 	mStoredToastList.erase(it);
@@ -519,6 +524,7 @@ void LLScreenChannel::createStartUpToast(S32 notif_num, F32 timer)
 	LLRect toast_rect;
 	LLToast::Params p;
 	p.lifetime_secs = timer;
+	p.enable_hide_btn = false;
 	mStartUpToastPanel = new LLToast(p);
 
 	if(!mStartUpToastPanel)
diff --git a/indra/newview/llspeakers.cpp b/indra/newview/llspeakers.cpp
new file mode 100644
index 0000000000..2341fcfc6d
--- /dev/null
+++ b/indra/newview/llspeakers.cpp
@@ -0,0 +1,639 @@
+/** 
+ * @file llspeakers.cpp
+ * @brief Management interface for muting and controlling volume of residents currently speaking
+ *
+ * $LicenseInfo:firstyear=2005&license=viewergpl$
+ * 
+ * Copyright (c) 2005-2009, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at
+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#include "llviewerprecompiledheaders.h"
+
+#include "llspeakers.h"
+
+#include "llagent.h"
+#include "llappviewer.h"
+#include "llmutelist.h"
+#include "llsdutil.h"
+#include "lluicolortable.h"
+#include "llviewerobjectlist.h"
+#include "llvoavatar.h"
+#include "llworld.h"
+
+const F32 SPEAKER_TIMEOUT = 10.f; // seconds of not being on voice channel before removed from list of active speakers
+const LLColor4 INACTIVE_COLOR(0.3f, 0.3f, 0.3f, 0.5f);
+const LLColor4 ACTIVE_COLOR(0.5f, 0.5f, 0.5f, 1.f);
+
+LLSpeaker::LLSpeaker(const LLUUID& id, const std::string& name, const ESpeakerType type) : 
+	mStatus(LLSpeaker::STATUS_TEXT_ONLY),
+	mLastSpokeTime(0.f), 
+	mSpeechVolume(0.f), 
+	mHasSpoken(FALSE),
+	mHasLeftCurrentCall(FALSE),
+	mDotColor(LLColor4::white),
+	mID(id),
+	mTyping(FALSE),
+	mSortIndex(0),
+	mType(type),
+	mIsModerator(FALSE),
+	mModeratorMutedVoice(FALSE),
+	mModeratorMutedText(FALSE)
+{
+	if (name.empty() && type == SPEAKER_AGENT)
+	{
+		lookupName();
+	}
+	else
+	{
+		mDisplayName = name;
+	}
+
+	gVoiceClient->setUserVolume(id, LLMuteList::getInstance()->getSavedResidentVolume(id));
+
+	mActivityTimer.resetWithExpiry(SPEAKER_TIMEOUT);
+}
+
+
+void LLSpeaker::lookupName()
+{
+	gCacheName->get(mID, FALSE, boost::bind(&LLSpeaker::onAvatarNameLookup, this, _1, _2, _3, _4));
+}
+
+void LLSpeaker::onAvatarNameLookup(const LLUUID& id, const std::string& first, const std::string& last, BOOL is_group)
+{
+	mDisplayName = first + " " + last;
+}
+
+LLSpeakerTextModerationEvent::LLSpeakerTextModerationEvent(LLSpeaker* source)
+: LLEvent(source, "Speaker text moderation event")
+{
+}
+
+LLSD LLSpeakerTextModerationEvent::getValue()
+{
+	return std::string("text");
+}
+
+
+LLSpeakerVoiceModerationEvent::LLSpeakerVoiceModerationEvent(LLSpeaker* source)
+: LLEvent(source, "Speaker voice moderation event")
+{
+}
+
+LLSD LLSpeakerVoiceModerationEvent::getValue()
+{
+	return std::string("voice");
+}
+
+LLSpeakerListChangeEvent::LLSpeakerListChangeEvent(LLSpeakerMgr* source, const LLUUID& speaker_id)
+: LLEvent(source, "Speaker added/removed from speaker mgr"),
+  mSpeakerID(speaker_id)
+{
+}
+
+LLSD LLSpeakerListChangeEvent::getValue()
+{
+	return mSpeakerID;
+}
+
+// helper sort class
+struct LLSortRecentSpeakers
+{
+	bool operator()(const LLPointer<LLSpeaker> lhs, const LLPointer<LLSpeaker> rhs) const;
+};
+
+bool LLSortRecentSpeakers::operator()(const LLPointer<LLSpeaker> lhs, const LLPointer<LLSpeaker> rhs) const
+{
+	// Sort first on status
+	if (lhs->mStatus != rhs->mStatus) 
+	{
+		return (lhs->mStatus < rhs->mStatus);
+	}
+
+	// and then on last speaking time
+	if(lhs->mLastSpokeTime != rhs->mLastSpokeTime)
+	{
+		return (lhs->mLastSpokeTime > rhs->mLastSpokeTime);
+	}
+	
+	// and finally (only if those are both equal), on name.
+	return(	lhs->mDisplayName.compare(rhs->mDisplayName) < 0 );
+}
+
+
+//
+// LLSpeakerMgr
+//
+
+LLSpeakerMgr::LLSpeakerMgr(LLVoiceChannel* channelp) : 
+	mVoiceChannel(channelp)
+{
+}
+
+LLSpeakerMgr::~LLSpeakerMgr()
+{
+}
+
+LLPointer<LLSpeaker> LLSpeakerMgr::setSpeaker(const LLUUID& id, const std::string& name, LLSpeaker::ESpeakerStatus status, LLSpeaker::ESpeakerType type)
+{
+	if (id.isNull()) return NULL;
+
+	LLPointer<LLSpeaker> speakerp;
+	if (mSpeakers.find(id) == mSpeakers.end())
+	{
+		speakerp = new LLSpeaker(id, name, type);
+		speakerp->mStatus = status;
+		mSpeakers.insert(std::make_pair(speakerp->mID, speakerp));
+		mSpeakersSorted.push_back(speakerp);
+		fireEvent(new LLSpeakerListChangeEvent(this, speakerp->mID), "add");
+	}
+	else
+	{
+		speakerp = findSpeaker(id);
+		if (speakerp.notNull())
+		{
+			// keep highest priority status (lowest value) instead of overriding current value
+			speakerp->mStatus = llmin(speakerp->mStatus, status);
+			speakerp->mActivityTimer.resetWithExpiry(SPEAKER_TIMEOUT);
+			// RN: due to a weird behavior where IMs from attached objects come from the wearer's agent_id
+			// we need to override speakers that we think are objects when we find out they are really
+			// residents
+			if (type == LLSpeaker::SPEAKER_AGENT)
+			{
+				speakerp->mType = LLSpeaker::SPEAKER_AGENT;
+				speakerp->lookupName();
+			}
+		}
+	}
+
+	return speakerp;
+}
+
+void LLSpeakerMgr::update(BOOL resort_ok)
+{
+	if (!gVoiceClient)
+	{
+		return;
+	}
+	
+	LLColor4 speaking_color = LLUIColorTable::instance().getColor("SpeakingColor");
+	LLColor4 overdriven_color = LLUIColorTable::instance().getColor("OverdrivenColor");
+
+	if(resort_ok) // only allow list changes when user is not interacting with it
+	{
+		updateSpeakerList();
+	}
+
+	// update status of all current speakers
+	BOOL voice_channel_active = (!mVoiceChannel && gVoiceClient->inProximalChannel()) || (mVoiceChannel && mVoiceChannel->isActive());
+	for (speaker_map_t::iterator speaker_it = mSpeakers.begin(); speaker_it != mSpeakers.end();)
+	{
+		LLUUID speaker_id = speaker_it->first;
+		LLSpeaker* speakerp = speaker_it->second;
+		
+		speaker_map_t::iterator  cur_speaker_it = speaker_it++;
+
+		if (voice_channel_active && gVoiceClient->getVoiceEnabled(speaker_id))
+		{
+			speakerp->mSpeechVolume = gVoiceClient->getCurrentPower(speaker_id);
+			BOOL moderator_muted_voice = gVoiceClient->getIsModeratorMuted(speaker_id);
+			if (moderator_muted_voice != speakerp->mModeratorMutedVoice)
+			{
+				speakerp->mModeratorMutedVoice = moderator_muted_voice;
+				speakerp->fireEvent(new LLSpeakerVoiceModerationEvent(speakerp));
+			}
+
+			if (gVoiceClient->getOnMuteList(speaker_id) || speakerp->mModeratorMutedVoice)
+			{
+				speakerp->mStatus = LLSpeaker::STATUS_MUTED;
+			}
+			else if (gVoiceClient->getIsSpeaking(speaker_id))
+			{
+				// reset inactivity expiration
+				if (speakerp->mStatus != LLSpeaker::STATUS_SPEAKING)
+				{
+					speakerp->mLastSpokeTime = mSpeechTimer.getElapsedTimeF32();
+					speakerp->mHasSpoken = TRUE;
+				}
+				speakerp->mStatus = LLSpeaker::STATUS_SPEAKING;
+				// interpolate between active color and full speaking color based on power of speech output
+				speakerp->mDotColor = speaking_color;
+				if (speakerp->mSpeechVolume > LLVoiceClient::OVERDRIVEN_POWER_LEVEL)
+				{
+					speakerp->mDotColor = overdriven_color;
+				}
+			}
+			else
+			{
+				speakerp->mSpeechVolume = 0.f;
+				speakerp->mDotColor = ACTIVE_COLOR;
+
+				if (speakerp->mHasSpoken)
+				{
+					// have spoken once, not currently speaking
+					speakerp->mStatus = LLSpeaker::STATUS_HAS_SPOKEN;
+				}
+				else
+				{
+					// default state for being in voice channel
+					speakerp->mStatus = LLSpeaker::STATUS_VOICE_ACTIVE;
+				}
+			}
+		}
+		// speaker no longer registered in voice channel, demote to text only
+		else if (speakerp->mStatus != LLSpeaker::STATUS_NOT_IN_CHANNEL)
+		{
+			if(speakerp->mType == LLSpeaker::SPEAKER_EXTERNAL)
+			{
+				// external speakers should be timed out when they leave the voice channel (since they only exist via SLVoice)
+				speakerp->mStatus = LLSpeaker::STATUS_NOT_IN_CHANNEL;
+			}
+			else
+			{
+				speakerp->mStatus = LLSpeaker::STATUS_TEXT_ONLY;
+				speakerp->mSpeechVolume = 0.f;
+				speakerp->mDotColor = ACTIVE_COLOR;
+			}
+		}
+	}
+
+	if(resort_ok)  // only allow list changes when user is not interacting with it
+	{
+		// sort by status then time last spoken
+		std::sort(mSpeakersSorted.begin(), mSpeakersSorted.end(), LLSortRecentSpeakers());
+	}
+
+	// for recent speakers who are not currently speaking, show "recent" color dot for most recent
+	// fading to "active" color
+
+	S32 recent_speaker_count = 0;
+	S32 sort_index = 0;
+	speaker_list_t::iterator sorted_speaker_it;
+	for(sorted_speaker_it = mSpeakersSorted.begin(); 
+		sorted_speaker_it != mSpeakersSorted.end(); )
+	{
+		LLPointer<LLSpeaker> speakerp = *sorted_speaker_it;
+		
+		// color code recent speakers who are not currently speaking
+		if (speakerp->mStatus == LLSpeaker::STATUS_HAS_SPOKEN)
+		{
+			speakerp->mDotColor = lerp(speaking_color, ACTIVE_COLOR, clamp_rescale((F32)recent_speaker_count, -2.f, 3.f, 0.f, 1.f));
+			recent_speaker_count++;
+		}
+
+		// stuff sort ordinal into speaker so the ui can sort by this value
+		speakerp->mSortIndex = sort_index++;
+
+		// remove speakers that have been gone too long
+		if (speakerp->mStatus == LLSpeaker::STATUS_NOT_IN_CHANNEL && speakerp->mActivityTimer.hasExpired())
+		{
+			fireEvent(new LLSpeakerListChangeEvent(this, speakerp->mID), "remove");
+
+			mSpeakers.erase(speakerp->mID);
+			sorted_speaker_it = mSpeakersSorted.erase(sorted_speaker_it);
+		}
+		else
+		{
+			++sorted_speaker_it;
+		}
+	}
+}
+
+void LLSpeakerMgr::updateSpeakerList()
+{
+	// are we bound to the currently active voice channel?
+	if ((!mVoiceChannel && gVoiceClient->inProximalChannel()) || (mVoiceChannel && mVoiceChannel->isActive()))
+	{
+		LLVoiceClient::participantMap* participants = gVoiceClient->getParticipantList();
+		if(participants)
+		{
+			LLVoiceClient::participantMap::iterator participant_it;
+
+			// add new participants to our list of known speakers
+			for (participant_it = participants->begin(); participant_it != participants->end(); ++participant_it)
+			{
+				LLVoiceClient::participantState* participantp = participant_it->second;
+				setSpeaker(participantp->mAvatarID, participantp->mDisplayName, LLSpeaker::STATUS_VOICE_ACTIVE, (participantp->isAvatar()?LLSpeaker::SPEAKER_AGENT:LLSpeaker::SPEAKER_EXTERNAL));
+			}
+		}
+	}
+}
+
+LLPointer<LLSpeaker> LLSpeakerMgr::findSpeaker(const LLUUID& speaker_id)
+{
+	speaker_map_t::iterator found_it = mSpeakers.find(speaker_id);
+	if (found_it == mSpeakers.end())
+	{
+		return NULL;
+	}
+	return found_it->second;
+}
+
+void LLSpeakerMgr::getSpeakerList(speaker_list_t* speaker_list, BOOL include_text)
+{
+	speaker_list->clear();
+	for (speaker_map_t::iterator speaker_it = mSpeakers.begin(); speaker_it != mSpeakers.end(); ++speaker_it)
+	{
+		LLPointer<LLSpeaker> speakerp = speaker_it->second;
+		// what about text only muted or inactive?
+		if (include_text || speakerp->mStatus != LLSpeaker::STATUS_TEXT_ONLY)
+		{
+			speaker_list->push_back(speakerp);
+		}
+	}
+}
+
+const LLUUID LLSpeakerMgr::getSessionID() 
+{ 
+	return mVoiceChannel->getSessionID(); 
+}
+
+
+void LLSpeakerMgr::setSpeakerTyping(const LLUUID& speaker_id, BOOL typing)
+{
+	LLPointer<LLSpeaker> speakerp = findSpeaker(speaker_id);
+	if (speakerp.notNull())
+	{
+		speakerp->mTyping = typing;
+	}
+}
+
+// speaker has chatted via either text or voice
+void LLSpeakerMgr::speakerChatted(const LLUUID& speaker_id)
+{
+	LLPointer<LLSpeaker> speakerp = findSpeaker(speaker_id);
+	if (speakerp.notNull())
+	{
+		speakerp->mLastSpokeTime = mSpeechTimer.getElapsedTimeF32();
+		speakerp->mHasSpoken = TRUE;
+	}
+}
+
+BOOL LLSpeakerMgr::isVoiceActive()
+{
+	// mVoiceChannel = NULL means current voice channel, whatever it is
+	return LLVoiceClient::voiceEnabled() && mVoiceChannel && mVoiceChannel->isActive();
+}
+
+
+//
+// LLIMSpeakerMgr
+//
+LLIMSpeakerMgr::LLIMSpeakerMgr(LLVoiceChannel* channel) : LLSpeakerMgr(channel)
+{
+}
+
+void LLIMSpeakerMgr::updateSpeakerList()
+{
+	// don't do normal updates which are pulled from voice channel
+	// rely on user list reported by sim
+	
+	// We need to do this to allow PSTN callers into group chats to show in the list.
+	LLSpeakerMgr::updateSpeakerList();
+	
+	return;
+}
+
+void LLIMSpeakerMgr::setSpeakers(const LLSD& speakers)
+{
+	if ( !speakers.isMap() ) return;
+
+	if ( speakers.has("agent_info") && speakers["agent_info"].isMap() )
+	{
+		LLSD::map_const_iterator speaker_it;
+		for(speaker_it = speakers["agent_info"].beginMap();
+			speaker_it != speakers["agent_info"].endMap();
+			++speaker_it)
+		{
+			LLUUID agent_id(speaker_it->first);
+
+			LLPointer<LLSpeaker> speakerp = setSpeaker(
+				agent_id,
+				LLStringUtil::null,
+				LLSpeaker::STATUS_TEXT_ONLY);
+
+			if ( speaker_it->second.isMap() )
+			{
+				speakerp->mIsModerator = speaker_it->second["is_moderator"];
+				speakerp->mModeratorMutedText =
+					speaker_it->second["mutes"]["text"];
+			}
+		}
+	}
+	else if ( speakers.has("agents" ) && speakers["agents"].isArray() )
+	{
+		//older, more decprecated way.  Need here for
+		//using older version of servers
+		LLSD::array_const_iterator speaker_it;
+		for(speaker_it = speakers["agents"].beginArray();
+			speaker_it != speakers["agents"].endArray();
+			++speaker_it)
+		{
+			const LLUUID agent_id = (*speaker_it).asUUID();
+
+			LLPointer<LLSpeaker> speakerp = setSpeaker(
+				agent_id,
+				LLStringUtil::null,
+				LLSpeaker::STATUS_TEXT_ONLY);
+		}
+	}
+}
+
+void LLIMSpeakerMgr::updateSpeakers(const LLSD& update)
+{
+	if ( !update.isMap() ) return;
+
+	if ( update.has("agent_updates") && update["agent_updates"].isMap() )
+	{
+		LLSD::map_const_iterator update_it;
+		for(
+			update_it = update["agent_updates"].beginMap();
+			update_it != update["agent_updates"].endMap();
+			++update_it)
+		{
+			LLUUID agent_id(update_it->first);
+			LLPointer<LLSpeaker> speakerp = findSpeaker(agent_id);
+
+			LLSD agent_data = update_it->second;
+
+			if (agent_data.isMap() && agent_data.has("transition"))
+			{
+				if (agent_data["transition"].asString() == "LEAVE" && speakerp.notNull())
+				{
+					speakerp->mStatus = LLSpeaker::STATUS_NOT_IN_CHANNEL;
+					speakerp->mDotColor = INACTIVE_COLOR;
+					speakerp->mActivityTimer.resetWithExpiry(SPEAKER_TIMEOUT);
+				}
+				else if (agent_data["transition"].asString() == "ENTER")
+				{
+					// add or update speaker
+					speakerp = setSpeaker(agent_id);
+				}
+				else
+				{
+					llwarns << "bad membership list update " << ll_print_sd(agent_data["transition"]) << llendl;
+				}
+			}
+
+			if (speakerp.isNull()) continue;
+
+			// should have a valid speaker from this point on
+			if (agent_data.isMap() && agent_data.has("info"))
+			{
+				LLSD agent_info = agent_data["info"];
+
+				if (agent_info.has("is_moderator"))
+				{
+					speakerp->mIsModerator = agent_info["is_moderator"];
+				}
+
+				if (agent_info.has("mutes"))
+				{
+					speakerp->mModeratorMutedText = agent_info["mutes"]["text"];
+				}
+			}
+		}
+	}
+	else if ( update.has("updates") && update["updates"].isMap() )
+	{
+		LLSD::map_const_iterator update_it;
+		for (
+			update_it = update["updates"].beginMap();
+			update_it != update["updates"].endMap();
+			++update_it)
+		{
+			LLUUID agent_id(update_it->first);
+			LLPointer<LLSpeaker> speakerp = findSpeaker(agent_id);
+
+			std::string agent_transition = update_it->second.asString();
+			if (agent_transition == "LEAVE" && speakerp.notNull())
+			{
+				speakerp->mStatus = LLSpeaker::STATUS_NOT_IN_CHANNEL;
+				speakerp->mDotColor = INACTIVE_COLOR;
+				speakerp->mActivityTimer.resetWithExpiry(SPEAKER_TIMEOUT);
+			}
+			else if ( agent_transition == "ENTER")
+			{
+				// add or update speaker
+				speakerp = setSpeaker(agent_id);
+			}
+			else
+			{
+				llwarns << "bad membership list update "
+						<< agent_transition << llendl;
+			}
+		}
+	}
+}
+
+
+//
+// LLActiveSpeakerMgr
+//
+
+LLActiveSpeakerMgr::LLActiveSpeakerMgr() : LLSpeakerMgr(NULL)
+{
+}
+
+void LLActiveSpeakerMgr::updateSpeakerList()
+{
+	// point to whatever the current voice channel is
+	mVoiceChannel = LLVoiceChannel::getCurrentVoiceChannel();
+
+	// always populate from active voice channel
+	if (LLVoiceChannel::getCurrentVoiceChannel() != mVoiceChannel)
+	{
+		fireEvent(new LLSpeakerListChangeEvent(this, LLUUID::null), "clear");
+		mSpeakers.clear();
+		mSpeakersSorted.clear();
+		mVoiceChannel = LLVoiceChannel::getCurrentVoiceChannel();
+	}
+	LLSpeakerMgr::updateSpeakerList();
+
+	// clean up text only speakers
+	for (speaker_map_t::iterator speaker_it = mSpeakers.begin(); speaker_it != mSpeakers.end(); ++speaker_it)
+	{
+		LLUUID speaker_id = speaker_it->first;
+		LLSpeaker* speakerp = speaker_it->second;
+		if (speakerp->mStatus == LLSpeaker::STATUS_TEXT_ONLY)
+		{
+			// automatically flag text only speakers for removal
+			speakerp->mStatus = LLSpeaker::STATUS_NOT_IN_CHANNEL;
+		}
+	}
+
+}
+
+
+
+//
+// LLLocalSpeakerMgr
+//
+
+LLLocalSpeakerMgr::LLLocalSpeakerMgr() : LLSpeakerMgr(LLVoiceChannelProximal::getInstance())
+{
+}
+
+LLLocalSpeakerMgr::~LLLocalSpeakerMgr ()
+{
+}
+
+void LLLocalSpeakerMgr::updateSpeakerList()
+{
+	// pull speakers from voice channel
+	LLSpeakerMgr::updateSpeakerList();
+
+	if (gDisconnected)//the world is cleared.
+	{
+		return ;
+	}
+
+	// pick up non-voice speakers in chat range
+	std::vector<LLUUID> avatar_ids;
+	std::vector<LLVector3d> positions;
+	LLWorld::getInstance()->getAvatars(&avatar_ids, &positions, gAgent.getPositionGlobal(), CHAT_NORMAL_RADIUS);
+	for(U32 i=0; i<avatar_ids.size(); i++)
+	{
+		setSpeaker(avatar_ids[i]);
+	}
+
+	// check if text only speakers have moved out of chat range
+	for (speaker_map_t::iterator speaker_it = mSpeakers.begin(); speaker_it != mSpeakers.end(); ++speaker_it)
+	{
+		LLUUID speaker_id = speaker_it->first;
+		LLSpeaker* speakerp = speaker_it->second;
+		if (speakerp->mStatus == LLSpeaker::STATUS_TEXT_ONLY)
+		{
+			LLVOAvatar* avatarp = (LLVOAvatar*)gObjectList.findObject(speaker_id);
+			if (!avatarp || dist_vec(avatarp->getPositionAgent(), gAgent.getPositionAgent()) > CHAT_NORMAL_RADIUS)
+			{
+				speakerp->mStatus = LLSpeaker::STATUS_NOT_IN_CHANNEL;
+				speakerp->mDotColor = INACTIVE_COLOR;
+				speakerp->mActivityTimer.resetWithExpiry(SPEAKER_TIMEOUT);
+			}
+		}
+	}
+}
diff --git a/indra/newview/llspeakers.h b/indra/newview/llspeakers.h
new file mode 100644
index 0000000000..e0f22bff4f
--- /dev/null
+++ b/indra/newview/llspeakers.h
@@ -0,0 +1,172 @@
+/** 
+ * @file llspeakers.h
+ * @brief Management interface for muting and controlling volume of residents currently speaking
+ *
+ * $LicenseInfo:firstyear=2005&license=viewergpl$
+ * 
+ * Copyright (c) 2005-2009, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at
+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLSPEAKERS_H
+#define LL_LLSPEAKERS_H
+
+#include "llevent.h"
+#include "llspeakers.h"
+#include "llvoicechannel.h"
+
+class LLSpeakerMgr;
+
+// data for a given participant in a voice channel
+class LLSpeaker : public LLRefCount, public LLOldEvents::LLObservable, public LLHandleProvider<LLSpeaker>, public boost::signals2::trackable
+{
+public:
+	typedef enum e_speaker_type
+	{
+		SPEAKER_AGENT,
+		SPEAKER_OBJECT,
+		SPEAKER_EXTERNAL	// Speaker that doesn't map to an avatar or object (i.e. PSTN caller in a group)
+	} ESpeakerType;
+
+	typedef enum e_speaker_status
+	{
+		STATUS_SPEAKING,
+		STATUS_HAS_SPOKEN,
+		STATUS_VOICE_ACTIVE,
+		STATUS_TEXT_ONLY,
+		STATUS_NOT_IN_CHANNEL,
+		STATUS_MUTED
+	} ESpeakerStatus;
+
+
+	LLSpeaker(const LLUUID& id, const std::string& name = LLStringUtil::null, const ESpeakerType type = SPEAKER_AGENT);
+	~LLSpeaker() {};
+	void lookupName();
+
+	void onAvatarNameLookup(const LLUUID& id, const std::string& first, const std::string& last, BOOL is_group);
+
+	ESpeakerStatus	mStatus;			// current activity status in speech group
+	F32				mLastSpokeTime;		// timestamp when this speaker last spoke
+	F32				mSpeechVolume;		// current speech amplitude (timea average rms amplitude?)
+	std::string		mDisplayName;		// cache user name for this speaker
+	LLFrameTimer	mActivityTimer;	// time out speakers when they are not part of current voice channel
+	BOOL			mHasSpoken;			// has this speaker said anything this session?
+	BOOL			mHasLeftCurrentCall;	// has this speaker left the current voice call?
+	LLColor4		mDotColor;
+	LLUUID			mID;
+	BOOL			mTyping;
+	S32				mSortIndex;
+	ESpeakerType	mType;
+	BOOL			mIsModerator;
+	BOOL			mModeratorMutedVoice;
+	BOOL			mModeratorMutedText;
+};
+
+class LLSpeakerTextModerationEvent : public LLOldEvents::LLEvent
+{
+public:
+	LLSpeakerTextModerationEvent(LLSpeaker* source);
+	/*virtual*/ LLSD getValue();
+};
+
+class LLSpeakerVoiceModerationEvent : public LLOldEvents::LLEvent
+{
+public:
+	LLSpeakerVoiceModerationEvent(LLSpeaker* source);
+	/*virtual*/ LLSD getValue();
+};
+
+class LLSpeakerListChangeEvent : public LLOldEvents::LLEvent
+{
+public:
+	LLSpeakerListChangeEvent(LLSpeakerMgr* source, const LLUUID& speaker_id);
+	/*virtual*/ LLSD getValue();
+
+private:
+	const LLUUID& mSpeakerID;
+};
+
+class LLSpeakerMgr : public LLOldEvents::LLObservable
+{
+public:
+	LLSpeakerMgr(LLVoiceChannel* channelp);
+	virtual ~LLSpeakerMgr();
+
+	LLPointer<LLSpeaker> findSpeaker(const LLUUID& avatar_id);
+	void update(BOOL resort_ok);
+	void setSpeakerTyping(const LLUUID& speaker_id, BOOL typing);
+	void speakerChatted(const LLUUID& speaker_id);
+	LLPointer<LLSpeaker> setSpeaker(const LLUUID& id, 
+					const std::string& name = LLStringUtil::null, 
+					LLSpeaker::ESpeakerStatus status = LLSpeaker::STATUS_TEXT_ONLY, 
+					LLSpeaker::ESpeakerType = LLSpeaker::SPEAKER_AGENT);
+
+	BOOL isVoiceActive();
+
+	typedef std::vector<LLPointer<LLSpeaker> > speaker_list_t;
+	void getSpeakerList(speaker_list_t* speaker_list, BOOL include_text);
+	LLVoiceChannel* getVoiceChannel() { return mVoiceChannel; }
+	const LLUUID getSessionID();
+
+protected:
+	virtual void updateSpeakerList();
+
+	typedef std::map<LLUUID, LLPointer<LLSpeaker> > speaker_map_t;
+	speaker_map_t		mSpeakers;
+
+	speaker_list_t		mSpeakersSorted;
+	LLFrameTimer		mSpeechTimer;
+	LLVoiceChannel*		mVoiceChannel;
+};
+
+class LLIMSpeakerMgr : public LLSpeakerMgr
+{
+public:
+	LLIMSpeakerMgr(LLVoiceChannel* channel);
+	
+	void updateSpeakers(const LLSD& update);
+	void setSpeakers(const LLSD& speakers);
+protected:
+	virtual void updateSpeakerList();
+};
+
+class LLActiveSpeakerMgr : public LLSpeakerMgr, public LLSingleton<LLActiveSpeakerMgr>
+{
+public:
+	LLActiveSpeakerMgr();
+protected:
+	virtual void updateSpeakerList();
+};
+
+class LLLocalSpeakerMgr : public LLSpeakerMgr, public LLSingleton<LLLocalSpeakerMgr>
+{
+public:
+	LLLocalSpeakerMgr();
+	~LLLocalSpeakerMgr ();
+protected:
+	virtual void updateSpeakerList();
+};
+
+#endif // LL_LLSPEAKERS_H
diff --git a/indra/newview/llsyswellwindow.cpp b/indra/newview/llsyswellwindow.cpp
index 86290e6695..93a931dc78 100644
--- a/indra/newview/llsyswellwindow.cpp
+++ b/indra/newview/llsyswellwindow.cpp
@@ -113,6 +113,12 @@ void LLSysWellWindow::connectListUpdaterToSignal(std::string notification_type)
 }
 
 //---------------------------------------------------------------------------------
+void LLSysWellWindow::onStartUpToastClick(S32 x, S32 y, MASK mask)
+{
+	onChicletClick();
+}
+
+//---------------------------------------------------------------------------------
 void LLSysWellWindow::onChicletClick()
 {
 	// 1 - remove StartUp toast and channel if present
diff --git a/indra/newview/llsyswellwindow.h b/indra/newview/llsyswellwindow.h
index fa6a1abea4..cbc5f7358f 100644
--- a/indra/newview/llsyswellwindow.h
+++ b/indra/newview/llsyswellwindow.h
@@ -76,6 +76,7 @@ public:
 	void onItemClose(LLSysWellItem* item);
 	void onStoreToast(LLPanel* info_panel, LLUUID id);
 	void onChicletClick();
+	void onStartUpToastClick(S32 x, S32 y, MASK mask);
 
 	// size constants for the window and for its elements
 	static const S32 MAX_WINDOW_HEIGHT		= 200;
diff --git a/indra/newview/lltoast.cpp b/indra/newview/lltoast.cpp
index eba43d76a6..24824a095c 100644
--- a/indra/newview/lltoast.cpp
+++ b/indra/newview/lltoast.cpp
@@ -63,6 +63,7 @@ LLToast::LLToast(const LLToast::Params& p)
 	mHideBtnEnabled(p.enable_hide_btn),
 	mHideBtn(NULL),
 	mNotification(p.notification),
+	mIsHidden(false),
 	mHideBtnPressed(false)
 {
 	LLUICtrlFactory::getInstance()->buildFloater(this, "panel_toast.xml", NULL);
@@ -143,7 +144,8 @@ void LLToast::hide()
 {
 	setVisible(FALSE);
 	mTimer.stop();
-	mOnFadeSignal(this);
+	mIsHidden = true;
+	mOnFadeSignal(this); 
 }
 
 //--------------------------------------------------------------------------
@@ -159,9 +161,7 @@ void LLToast::tick()
 {
 	if(mCanFade)
 	{
-		setVisible(FALSE);
-		mTimer.stop();
-		mOnFadeSignal(this); 
+		hide();
 	}
 }
 
@@ -206,6 +206,16 @@ void LLToast::draw()
 //--------------------------------------------------------------------------
 void LLToast::setVisible(BOOL show)
 {
+	if(mIsHidden)
+	{
+		// this toast is invisible after fade until its ScreenChannel will allow it
+		//
+		// (EXT-1849) according to this bug a toast can be resurrected from
+		// invisible state if it faded during a teleportation
+		// then it fades a second time and causes a crash
+		return;
+	}
+
 	if(show)
 	{
 		setBackgroundOpaque(TRUE);
diff --git a/indra/newview/lltoast.h b/indra/newview/lltoast.h
index 1826c13ebc..0698c94880 100644
--- a/indra/newview/lltoast.h
+++ b/indra/newview/lltoast.h
@@ -125,6 +125,8 @@ public:
 	void setCanBeStored(bool can_be_stored) { mCanBeStored = can_be_stored; }
 	//
 	bool getCanBeStored() { return mCanBeStored; }
+	// set whether this toast considered as hidden or not
+	void setIsHidden( bool is_toast_hidden ) { mIsHidden = is_toast_hidden; }
 
 
 	// Registers signals/callbacks for events
@@ -164,6 +166,7 @@ private:
 	bool		mCanBeStored;
 	bool		mHideBtnEnabled;
 	bool		mHideBtnPressed;
+	bool		mIsHidden;  // this flag is TRUE when a toast has faded or was hidden with (x) button (EXT-1849)
 };
 
 }
diff --git a/indra/newview/llviewerinventory.cpp b/indra/newview/llviewerinventory.cpp
index 57a4117d5d..366e5602bd 100644
--- a/indra/newview/llviewerinventory.cpp
+++ b/indra/newview/llviewerinventory.cpp
@@ -42,7 +42,6 @@
 #include "llconsole.h"
 #include "llinventorymodel.h"
 #include "llnotify.h"
-#include "llimview.h"
 #include "llgesturemgr.h"
 
 #include "llinventorybridge.h"
diff --git a/indra/newview/llviewermenu.cpp b/indra/newview/llviewermenu.cpp
index 058f44ef57..864cf9d57b 100644
--- a/indra/newview/llviewermenu.cpp
+++ b/indra/newview/llviewermenu.cpp
@@ -3483,7 +3483,6 @@ void set_god_level(U8 god_level)
 {
 	U8 old_god_level = gAgent.getGodLevel();
 	gAgent.setGodLevel( god_level );
-	gIMMgr->refresh();
 	LLViewerParcelMgr::getInstance()->notifyObservers();
 
 	// God mode changes sim visibility
diff --git a/indra/newview/llviewermessage.cpp b/indra/newview/llviewermessage.cpp
index 791ec07349..320f0f83ff 100644
--- a/indra/newview/llviewermessage.cpp
+++ b/indra/newview/llviewermessage.cpp
@@ -72,7 +72,6 @@
 #include "llviewercontrol.h"
 #include "lldrawpool.h"
 #include "llfirstuse.h"
-#include "llfloateractivespeakers.h"
 #include "llfloateranimpreview.h"
 #include "llfloaterbuycurrency.h"
 #include "llfloaterbuyland.h"
@@ -5680,7 +5679,7 @@ void onCovenantLoadComplete(LLVFS *vfs,
 	LLPanelLandCovenant::updateCovenantText(covenant_text);
 	LLFloaterBuyLand::updateCovenantText(covenant_text, asset_uuid);
 
-	LLPanelPlaceInfo* panel = dynamic_cast<LLPanelPlaceInfo*>(LLSideTray::getInstance()->showPanel("panel_place_info", LLSD()));
+	LLPanelPlaceInfo* panel = LLSideTray::getInstance()->findChild<LLPanelPlaceInfo>("panel_place_info");
 	if (panel)
 	{
 		panel->updateCovenantText(covenant_text);
diff --git a/indra/newview/llviewerwindow.cpp b/indra/newview/llviewerwindow.cpp
index f141d33729..b0b69fbae6 100644
--- a/indra/newview/llviewerwindow.cpp
+++ b/indra/newview/llviewerwindow.cpp
@@ -142,7 +142,6 @@
 #include "llstatview.h"
 #include "llsurface.h"
 #include "llsurfacepatch.h"
-#include "llimview.h"
 #include "lltexlayer.h"
 #include "lltextbox.h"
 #include "lltexturecache.h"
diff --git a/indra/newview/llvoavatar.cpp b/indra/newview/llvoavatar.cpp
index a402aff8ab..f9c95afc31 100644
--- a/indra/newview/llvoavatar.cpp
+++ b/indra/newview/llvoavatar.cpp
@@ -6400,6 +6400,11 @@ LLBBox LLVOAvatar::getHUDBBox() const
 				 ++attachment_iter)
 			{
 				const LLViewerObject* attached_object = (*attachment_iter);
+				if (attached_object == NULL)
+				{
+					llwarns << "HUD attached object is NULL!" << llendl;
+					continue;
+				}
 				// initialize bounding box to contain identity orientation and center point for attached object
 				bbox.addPointLocal(attached_object->getPosition());
 				// add rotated bounding box for attached object
diff --git a/indra/newview/llvoicechannel.cpp b/indra/newview/llvoicechannel.cpp
new file mode 100644
index 0000000000..96fcf61e62
--- /dev/null
+++ b/indra/newview/llvoicechannel.cpp
@@ -0,0 +1,872 @@
+/** 
+ * @file llvoicechannel.cpp
+ * @brief Voice Channel related classes
+ *
+ * $LicenseInfo:firstyear=2001&license=viewergpl$
+ * 
+ * Copyright (c) 2001-2009, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at
+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#include "llviewerprecompiledheaders.h"
+
+#include "llagent.h"
+#include "llfloaterreg.h"
+#include "llimview.h"
+#include "llnotifications.h"
+#include "llpanel.h"
+#include "llrecentpeople.h"
+#include "llviewercontrol.h"
+#include "llvoicechannel.h"
+
+
+LLVoiceChannel::voice_channel_map_t LLVoiceChannel::sVoiceChannelMap;
+LLVoiceChannel::voice_channel_map_uri_t LLVoiceChannel::sVoiceChannelURIMap;
+LLVoiceChannel* LLVoiceChannel::sCurrentVoiceChannel = NULL;
+LLVoiceChannel* LLVoiceChannel::sSuspendedVoiceChannel = NULL;
+
+BOOL LLVoiceChannel::sSuspended = FALSE;
+
+//
+// Constants
+//
+const U32 DEFAULT_RETRIES_COUNT = 3;
+
+
+class LLVoiceCallCapResponder : public LLHTTPClient::Responder
+{
+public:
+	LLVoiceCallCapResponder(const LLUUID& session_id) : mSessionID(session_id) {};
+
+	virtual void error(U32 status, const std::string& reason);	// called with bad status codes
+	virtual void result(const LLSD& content);
+
+private:
+	LLUUID mSessionID;
+};
+
+
+void LLVoiceCallCapResponder::error(U32 status, const std::string& reason)
+{
+	llwarns << "LLVoiceCallCapResponder::error("
+		<< status << ": " << reason << ")"
+		<< llendl;
+	LLVoiceChannel* channelp = LLVoiceChannel::getChannelByID(mSessionID);
+	if ( channelp )
+	{
+		if ( 403 == status )
+		{
+			//403 == no ability
+			LLNotifications::instance().add(
+				"VoiceNotAllowed",
+				channelp->getNotifyArgs());
+		}
+		else
+		{
+			LLNotifications::instance().add(
+				"VoiceCallGenericError",
+				channelp->getNotifyArgs());
+		}
+		channelp->deactivate();
+	}
+}
+
+void LLVoiceCallCapResponder::result(const LLSD& content)
+{
+	LLVoiceChannel* channelp = LLVoiceChannel::getChannelByID(mSessionID);
+	if (channelp)
+	{
+		//*TODO: DEBUG SPAM
+		LLSD::map_const_iterator iter;
+		for(iter = content.beginMap(); iter != content.endMap(); ++iter)
+		{
+			llinfos << "LLVoiceCallCapResponder::result got " 
+				<< iter->first << llendl;
+		}
+
+		channelp->setChannelInfo(
+			content["voice_credentials"]["channel_uri"].asString(),
+			content["voice_credentials"]["channel_credentials"].asString());
+	}
+}
+
+//
+// LLVoiceChannel
+//
+LLVoiceChannel::LLVoiceChannel(const LLUUID& session_id, const std::string& session_name) : 
+	mSessionID(session_id), 
+	mState(STATE_NO_CHANNEL_INFO), 
+	mSessionName(session_name),
+	mIgnoreNextSessionLeave(FALSE)
+{
+	mNotifyArgs["VOICE_CHANNEL_NAME"] = mSessionName;
+
+	if (!sVoiceChannelMap.insert(std::make_pair(session_id, this)).second)
+	{
+		// a voice channel already exists for this session id, so this instance will be orphaned
+		// the end result should simply be the failure to make voice calls
+		llwarns << "Duplicate voice channels registered for session_id " << session_id << llendl;
+	}
+
+	LLVoiceClient::getInstance()->addObserver(this);
+}
+
+LLVoiceChannel::~LLVoiceChannel()
+{
+	// Don't use LLVoiceClient::getInstance() here -- this can get called during atexit() time and that singleton MAY have already been destroyed.
+	if(gVoiceClient)
+	{
+		gVoiceClient->removeObserver(this);
+	}
+	
+	sVoiceChannelMap.erase(mSessionID);
+	sVoiceChannelURIMap.erase(mURI);
+}
+
+void LLVoiceChannel::setChannelInfo(
+	const std::string& uri,
+	const std::string& credentials)
+{
+	setURI(uri);
+
+	mCredentials = credentials;
+
+	if (mState == STATE_NO_CHANNEL_INFO)
+	{
+		if (mURI.empty())
+		{
+			LLNotifications::instance().add("VoiceChannelJoinFailed", mNotifyArgs);
+			llwarns << "Received empty URI for channel " << mSessionName << llendl;
+			deactivate();
+		}
+		else if (mCredentials.empty())
+		{
+			LLNotifications::instance().add("VoiceChannelJoinFailed", mNotifyArgs);
+			llwarns << "Received empty credentials for channel " << mSessionName << llendl;
+			deactivate();
+		}
+		else
+		{
+			setState(STATE_READY);
+
+			// if we are supposed to be active, reconnect
+			// this will happen on initial connect, as we request credentials on first use
+			if (sCurrentVoiceChannel == this)
+			{
+				// just in case we got new channel info while active
+				// should move over to new channel
+				activate();
+			}
+		}
+	}
+}
+
+void LLVoiceChannel::onChange(EStatusType type, const std::string &channelURI, bool proximal)
+{
+	if (channelURI != mURI)
+	{
+		return;
+	}
+
+	if (type < BEGIN_ERROR_STATUS)
+	{
+		handleStatusChange(type);
+	}
+	else
+	{
+		handleError(type);
+	}
+}
+
+void LLVoiceChannel::handleStatusChange(EStatusType type)
+{
+	// status updates
+	switch(type)
+	{
+	case STATUS_LOGIN_RETRY:
+		//mLoginNotificationHandle = LLNotifyBox::showXml("VoiceLoginRetry")->getHandle();
+		LLNotifications::instance().add("VoiceLoginRetry");
+		break;
+	case STATUS_LOGGED_IN:
+		//if (!mLoginNotificationHandle.isDead())
+		//{
+		//	LLNotifyBox* notifyp = (LLNotifyBox*)mLoginNotificationHandle.get();
+		//	if (notifyp)
+		//	{
+		//		notifyp->close();
+		//	}
+		//	mLoginNotificationHandle.markDead();
+		//}
+		break;
+	case STATUS_LEFT_CHANNEL:
+		if (callStarted() && !mIgnoreNextSessionLeave && !sSuspended)
+		{
+			// if forceably removed from channel
+			// update the UI and revert to default channel
+			LLNotifications::instance().add("VoiceChannelDisconnected", mNotifyArgs);
+			deactivate();
+		}
+		mIgnoreNextSessionLeave = FALSE;
+		break;
+	case STATUS_JOINING:
+		if (callStarted())
+		{
+			setState(STATE_RINGING);
+		}
+		break;
+	case STATUS_JOINED:
+		if (callStarted())
+		{
+			setState(STATE_CONNECTED);
+		}
+	default:
+		break;
+	}
+}
+
+// default behavior is to just deactivate channel
+// derived classes provide specific error messages
+void LLVoiceChannel::handleError(EStatusType type)
+{
+	deactivate();
+	setState(STATE_ERROR);
+}
+
+BOOL LLVoiceChannel::isActive()
+{ 
+	// only considered active when currently bound channel matches what our channel
+	return callStarted() && LLVoiceClient::getInstance()->getCurrentChannel() == mURI; 
+}
+
+BOOL LLVoiceChannel::callStarted()
+{
+	return mState >= STATE_CALL_STARTED;
+}
+
+void LLVoiceChannel::deactivate()
+{
+	if (mState >= STATE_RINGING)
+	{
+		// ignore session leave event
+		mIgnoreNextSessionLeave = TRUE;
+	}
+
+	if (callStarted())
+	{
+		setState(STATE_HUNG_UP);
+		// mute the microphone if required when returning to the proximal channel
+		if (gSavedSettings.getBOOL("AutoDisengageMic") && sCurrentVoiceChannel == this)
+		{
+			gSavedSettings.setBOOL("PTTCurrentlyEnabled", true);
+		}
+	}
+
+	if (sCurrentVoiceChannel == this)
+	{
+		// default channel is proximal channel
+		sCurrentVoiceChannel = LLVoiceChannelProximal::getInstance();
+		sCurrentVoiceChannel->activate();
+	}
+}
+
+void LLVoiceChannel::activate()
+{
+	if (callStarted())
+	{
+		return;
+	}
+
+	// deactivate old channel and mark ourselves as the active one
+	if (sCurrentVoiceChannel != this)
+	{
+		// mark as current before deactivating the old channel to prevent
+		// activating the proximal channel between IM calls
+		LLVoiceChannel* old_channel = sCurrentVoiceChannel;
+		sCurrentVoiceChannel = this;
+		if (old_channel)
+		{
+			old_channel->deactivate();
+		}
+	}
+
+	if (mState == STATE_NO_CHANNEL_INFO)
+	{
+		// responsible for setting status to active
+		getChannelInfo();
+	}
+	else
+	{
+		setState(STATE_CALL_STARTED);
+	}
+}
+
+void LLVoiceChannel::getChannelInfo()
+{
+	// pretend we have everything we need
+	if (sCurrentVoiceChannel == this)
+	{
+		setState(STATE_CALL_STARTED);
+	}
+}
+
+//static 
+LLVoiceChannel* LLVoiceChannel::getChannelByID(const LLUUID& session_id)
+{
+	voice_channel_map_t::iterator found_it = sVoiceChannelMap.find(session_id);
+	if (found_it == sVoiceChannelMap.end())
+	{
+		return NULL;
+	}
+	else
+	{
+		return found_it->second;
+	}
+}
+
+//static 
+LLVoiceChannel* LLVoiceChannel::getChannelByURI(std::string uri)
+{
+	voice_channel_map_uri_t::iterator found_it = sVoiceChannelURIMap.find(uri);
+	if (found_it == sVoiceChannelURIMap.end())
+	{
+		return NULL;
+	}
+	else
+	{
+		return found_it->second;
+	}
+}
+
+void LLVoiceChannel::updateSessionID(const LLUUID& new_session_id)
+{
+	sVoiceChannelMap.erase(sVoiceChannelMap.find(mSessionID));
+	mSessionID = new_session_id;
+	sVoiceChannelMap.insert(std::make_pair(mSessionID, this));
+}
+
+void LLVoiceChannel::setURI(std::string uri)
+{
+	sVoiceChannelURIMap.erase(mURI);
+	mURI = uri;
+	sVoiceChannelURIMap.insert(std::make_pair(mURI, this));
+}
+
+void LLVoiceChannel::setState(EState state)
+{
+	switch(state)
+	{
+	case STATE_RINGING:
+		gIMMgr->addSystemMessage(mSessionID, "ringing", mNotifyArgs);
+		break;
+	case STATE_CONNECTED:
+		gIMMgr->addSystemMessage(mSessionID, "connected", mNotifyArgs);
+		break;
+	case STATE_HUNG_UP:
+		gIMMgr->addSystemMessage(mSessionID, "hang_up", mNotifyArgs);
+		break;
+	default:
+		break;
+	}
+
+	mState = state;
+}
+
+void LLVoiceChannel::toggleCallWindowIfNeeded(EState state)
+{
+	if (state == STATE_CONNECTED)
+	{
+		LLFloaterReg::showInstance("voice_call", mSessionID);
+	}
+	// By checking that current state is CONNECTED we make sure that the call window
+	// has been shown, hence there's something to hide. This helps when user presses
+	// the "End call" button right after initiating the call.
+	// *TODO: move this check to LLFloaterCall?
+	else if (state == STATE_HUNG_UP && mState == STATE_CONNECTED)
+	{
+		LLFloaterReg::hideInstance("voice_call", mSessionID);
+	}
+}
+
+//static
+void LLVoiceChannel::initClass()
+{
+	sCurrentVoiceChannel = LLVoiceChannelProximal::getInstance();
+}
+
+
+//static 
+void LLVoiceChannel::suspend()
+{
+	if (!sSuspended)
+	{
+		sSuspendedVoiceChannel = sCurrentVoiceChannel;
+		sSuspended = TRUE;
+	}
+}
+
+//static 
+void LLVoiceChannel::resume()
+{
+	if (sSuspended)
+	{
+		if (gVoiceClient->voiceEnabled())
+		{
+			if (sSuspendedVoiceChannel)
+			{
+				sSuspendedVoiceChannel->activate();
+			}
+			else
+			{
+				LLVoiceChannelProximal::getInstance()->activate();
+			}
+		}
+		sSuspended = FALSE;
+	}
+}
+
+
+//
+// LLVoiceChannelGroup
+//
+
+LLVoiceChannelGroup::LLVoiceChannelGroup(const LLUUID& session_id, const std::string& session_name) : 
+	LLVoiceChannel(session_id, session_name)
+{
+	mRetries = DEFAULT_RETRIES_COUNT;
+	mIsRetrying = FALSE;
+}
+
+void LLVoiceChannelGroup::deactivate()
+{
+	if (callStarted())
+	{
+		LLVoiceClient::getInstance()->leaveNonSpatialChannel();
+	}
+	LLVoiceChannel::deactivate();
+}
+
+void LLVoiceChannelGroup::activate()
+{
+	if (callStarted()) return;
+
+	LLVoiceChannel::activate();
+
+	if (callStarted())
+	{
+		// we have the channel info, just need to use it now
+		LLVoiceClient::getInstance()->setNonSpatialChannel(
+			mURI,
+			mCredentials);
+
+#if 0 // *TODO
+		if (!gAgent.isInGroup(mSessionID)) // ad-hoc channel
+		{
+			// Add the party to the list of people with which we've recently interacted.
+			for (/*people in the chat*/)
+				LLRecentPeople::instance().add(buddy_id);
+		}
+#endif
+	}
+}
+
+void LLVoiceChannelGroup::getChannelInfo()
+{
+	LLViewerRegion* region = gAgent.getRegion();
+	if (region)
+	{
+		std::string url = region->getCapability("ChatSessionRequest");
+		LLSD data;
+		data["method"] = "call";
+		data["session-id"] = mSessionID;
+		LLHTTPClient::post(url,
+						   data,
+						   new LLVoiceCallCapResponder(mSessionID));
+	}
+}
+
+void LLVoiceChannelGroup::setChannelInfo(
+	const std::string& uri,
+	const std::string& credentials)
+{
+	setURI(uri);
+
+	mCredentials = credentials;
+
+	if (mState == STATE_NO_CHANNEL_INFO)
+	{
+		if(!mURI.empty() && !mCredentials.empty())
+		{
+			setState(STATE_READY);
+
+			// if we are supposed to be active, reconnect
+			// this will happen on initial connect, as we request credentials on first use
+			if (sCurrentVoiceChannel == this)
+			{
+				// just in case we got new channel info while active
+				// should move over to new channel
+				activate();
+			}
+		}
+		else
+		{
+			//*TODO: notify user
+			llwarns << "Received invalid credentials for channel " << mSessionName << llendl;
+			deactivate();
+		}
+	}
+	else if ( mIsRetrying )
+	{
+		// we have the channel info, just need to use it now
+		LLVoiceClient::getInstance()->setNonSpatialChannel(
+			mURI,
+			mCredentials);
+	}
+}
+
+void LLVoiceChannelGroup::handleStatusChange(EStatusType type)
+{
+	// status updates
+	switch(type)
+	{
+	case STATUS_JOINED:
+		mRetries = 3;
+		mIsRetrying = FALSE;
+	default:
+		break;
+	}
+
+	LLVoiceChannel::handleStatusChange(type);
+}
+
+void LLVoiceChannelGroup::handleError(EStatusType status)
+{
+	std::string notify;
+	switch(status)
+	{
+	case ERROR_CHANNEL_LOCKED:
+	case ERROR_CHANNEL_FULL:
+		notify = "VoiceChannelFull";
+		break;
+	case ERROR_NOT_AVAILABLE:
+		//clear URI and credentials
+		//set the state to be no info
+		//and activate
+		if ( mRetries > 0 )
+		{
+			mRetries--;
+			mIsRetrying = TRUE;
+			mIgnoreNextSessionLeave = TRUE;
+
+			getChannelInfo();
+			return;
+		}
+		else
+		{
+			notify = "VoiceChannelJoinFailed";
+			mRetries = DEFAULT_RETRIES_COUNT;
+			mIsRetrying = FALSE;
+		}
+
+		break;
+
+	case ERROR_UNKNOWN:
+	default:
+		break;
+	}
+
+	// notification
+	if (!notify.empty())
+	{
+		LLNotificationPtr notification = LLNotifications::instance().add(notify, mNotifyArgs);
+		// echo to im window
+		gIMMgr->addMessage(mSessionID, LLUUID::null, SYSTEM_FROM, notification->getMessage());
+	}
+
+	LLVoiceChannel::handleError(status);
+}
+
+void LLVoiceChannelGroup::setState(EState state)
+{
+	// HACK: Open/close the call window if needed.
+	toggleCallWindowIfNeeded(state);
+
+	switch(state)
+	{
+	case STATE_RINGING:
+		if ( !mIsRetrying )
+		{
+			gIMMgr->addSystemMessage(mSessionID, "ringing", mNotifyArgs);
+		}
+
+		mState = state;
+		break;
+	default:
+		LLVoiceChannel::setState(state);
+	}
+}
+
+//
+// LLVoiceChannelProximal
+//
+LLVoiceChannelProximal::LLVoiceChannelProximal() : 
+	LLVoiceChannel(LLUUID::null, LLStringUtil::null)
+{
+	activate();
+}
+
+BOOL LLVoiceChannelProximal::isActive()
+{
+	return callStarted() && LLVoiceClient::getInstance()->inProximalChannel(); 
+}
+
+void LLVoiceChannelProximal::activate()
+{
+	if (callStarted()) return;
+
+	LLVoiceChannel::activate();
+
+	if (callStarted())
+	{
+		// this implicitly puts you back in the spatial channel
+		LLVoiceClient::getInstance()->leaveNonSpatialChannel();
+	}
+}
+
+void LLVoiceChannelProximal::onChange(EStatusType type, const std::string &channelURI, bool proximal)
+{
+	if (!proximal)
+	{
+		return;
+	}
+
+	if (type < BEGIN_ERROR_STATUS)
+	{
+		handleStatusChange(type);
+	}
+	else
+	{
+		handleError(type);
+	}
+}
+
+void LLVoiceChannelProximal::handleStatusChange(EStatusType status)
+{
+	// status updates
+	switch(status)
+	{
+	case STATUS_LEFT_CHANNEL:
+		// do not notify user when leaving proximal channel
+		return;
+	case STATUS_VOICE_DISABLED:
+		 gIMMgr->addSystemMessage(LLUUID::null, "unavailable", mNotifyArgs);
+		return;
+	default:
+		break;
+	}
+	LLVoiceChannel::handleStatusChange(status);
+}
+
+
+void LLVoiceChannelProximal::handleError(EStatusType status)
+{
+	std::string notify;
+	switch(status)
+	{
+	  case ERROR_CHANNEL_LOCKED:
+	  case ERROR_CHANNEL_FULL:
+		notify = "ProximalVoiceChannelFull";
+		break;
+	  default:
+		 break;
+	}
+
+	// notification
+	if (!notify.empty())
+	{
+		LLNotifications::instance().add(notify, mNotifyArgs);
+	}
+
+	LLVoiceChannel::handleError(status);
+}
+
+void LLVoiceChannelProximal::deactivate()
+{
+	if (callStarted())
+	{
+		setState(STATE_HUNG_UP);
+	}
+}
+
+
+//
+// LLVoiceChannelP2P
+//
+LLVoiceChannelP2P::LLVoiceChannelP2P(const LLUUID& session_id, const std::string& session_name, const LLUUID& other_user_id) : 
+		LLVoiceChannelGroup(session_id, session_name), 
+		mOtherUserID(other_user_id),
+		mReceivedCall(FALSE)
+{
+	// make sure URI reflects encoded version of other user's agent id
+	setURI(LLVoiceClient::getInstance()->sipURIFromID(other_user_id));
+}
+
+void LLVoiceChannelP2P::handleStatusChange(EStatusType type)
+{
+	// status updates
+	switch(type)
+	{
+	case STATUS_LEFT_CHANNEL:
+		if (callStarted() && !mIgnoreNextSessionLeave && !sSuspended)
+		{
+			if (mState == STATE_RINGING)
+			{
+				// other user declined call
+				LLNotifications::instance().add("P2PCallDeclined", mNotifyArgs);
+			}
+			else
+			{
+				// other user hung up
+				LLNotifications::instance().add("VoiceChannelDisconnectedP2P", mNotifyArgs);
+			}
+			deactivate();
+		}
+		mIgnoreNextSessionLeave = FALSE;
+		return;
+	default:
+		break;
+	}
+
+	LLVoiceChannel::handleStatusChange(type);
+}
+
+void LLVoiceChannelP2P::handleError(EStatusType type)
+{
+	switch(type)
+	{
+	case ERROR_NOT_AVAILABLE:
+		LLNotifications::instance().add("P2PCallNoAnswer", mNotifyArgs);
+		break;
+	default:
+		break;
+	}
+
+	LLVoiceChannel::handleError(type);
+}
+
+void LLVoiceChannelP2P::activate()
+{
+	if (callStarted()) return;
+
+	LLVoiceChannel::activate();
+
+	if (callStarted())
+	{
+		// no session handle yet, we're starting the call
+		if (mSessionHandle.empty())
+		{
+			mReceivedCall = FALSE;
+			LLVoiceClient::getInstance()->callUser(mOtherUserID);
+		}
+		// otherwise answering the call
+		else
+		{
+			LLVoiceClient::getInstance()->answerInvite(mSessionHandle);
+			
+			// using the session handle invalidates it.  Clear it out here so we can't reuse it by accident.
+			mSessionHandle.clear();
+		}
+
+		// Add the party to the list of people with which we've recently interacted.
+		LLRecentPeople::instance().add(mOtherUserID);
+	}
+}
+
+void LLVoiceChannelP2P::getChannelInfo()
+{
+	// pretend we have everything we need, since P2P doesn't use channel info
+	if (sCurrentVoiceChannel == this)
+	{
+		setState(STATE_CALL_STARTED);
+	}
+}
+
+// receiving session from other user who initiated call
+void LLVoiceChannelP2P::setSessionHandle(const std::string& handle, const std::string &inURI)
+{ 
+	BOOL needs_activate = FALSE;
+	if (callStarted())
+	{
+		// defer to lower agent id when already active
+		if (mOtherUserID < gAgent.getID())
+		{
+			// pretend we haven't started the call yet, so we can connect to this session instead
+			deactivate();
+			needs_activate = TRUE;
+		}
+		else
+		{
+			// we are active and have priority, invite the other user again
+			// under the assumption they will join this new session
+			mSessionHandle.clear();
+			LLVoiceClient::getInstance()->callUser(mOtherUserID);
+			return;
+		}
+	}
+
+	mSessionHandle = handle;
+
+	// The URI of a p2p session should always be the other end's SIP URI.
+	if(!inURI.empty())
+	{
+		setURI(inURI);
+	}
+	else
+	{
+		setURI(LLVoiceClient::getInstance()->sipURIFromID(mOtherUserID));
+	}
+	
+	mReceivedCall = TRUE;
+
+	if (needs_activate)
+	{
+		activate();
+	}
+}
+
+void LLVoiceChannelP2P::setState(EState state)
+{
+	// HACK: Open/close the call window if needed.
+	toggleCallWindowIfNeeded(state);
+
+	// you only "answer" voice invites in p2p mode
+	// so provide a special purpose message here
+	if (mReceivedCall && state == STATE_RINGING)
+	{
+		gIMMgr->addSystemMessage(mSessionID, "answering", mNotifyArgs);
+		mState = state;
+		return;
+	}
+	LLVoiceChannel::setState(state);
+}
diff --git a/indra/newview/llvoicechannel.h b/indra/newview/llvoicechannel.h
new file mode 100644
index 0000000000..9966bdd5ab
--- /dev/null
+++ b/indra/newview/llvoicechannel.h
@@ -0,0 +1,168 @@
+/** 
+ * @file llvoicechannel.h
+ * @brief Voice channel related classes
+ *
+ * $LicenseInfo:firstyear=2001&license=viewergpl$
+ * 
+ * Copyright (c) 2001-2009, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at
+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_VOICECHANNEL_H
+#define LL_VOICECHANNEL_H
+
+#include "llhandle.h"
+#include "llvoiceclient.h"
+
+class LLPanel;
+
+class LLVoiceChannel : public LLVoiceClientStatusObserver
+{
+public:
+	typedef enum e_voice_channel_state
+	{
+		STATE_NO_CHANNEL_INFO,
+		STATE_ERROR,
+		STATE_HUNG_UP,
+		STATE_READY,
+		STATE_CALL_STARTED,
+		STATE_RINGING,
+		STATE_CONNECTED
+	} EState;
+
+	LLVoiceChannel(const LLUUID& session_id, const std::string& session_name);
+	virtual ~LLVoiceChannel();
+
+	/*virtual*/ void onChange(EStatusType status, const std::string &channelURI, bool proximal);
+
+	virtual void handleStatusChange(EStatusType status);
+	virtual void handleError(EStatusType status);
+	virtual void deactivate();
+	virtual void activate();
+	virtual void setChannelInfo(
+		const std::string& uri,
+		const std::string& credentials);
+	virtual void getChannelInfo();
+	virtual BOOL isActive();
+	virtual BOOL callStarted();
+	const std::string& getSessionName() const { return mSessionName; }
+
+	const LLUUID getSessionID() { return mSessionID; }
+	EState getState() { return mState; }
+
+	void updateSessionID(const LLUUID& new_session_id);
+	const LLSD& getNotifyArgs() { return mNotifyArgs; }
+
+	static LLVoiceChannel* getChannelByID(const LLUUID& session_id);
+	static LLVoiceChannel* getChannelByURI(std::string uri);
+	static LLVoiceChannel* getCurrentVoiceChannel() { return sCurrentVoiceChannel; }
+	static void initClass();
+	
+	static void suspend();
+	static void resume();
+
+protected:
+	virtual void setState(EState state);
+	void toggleCallWindowIfNeeded(EState state);
+	void setURI(std::string uri);
+
+	std::string	mURI;
+	std::string	mCredentials;
+	LLUUID		mSessionID;
+	EState		mState;
+	std::string	mSessionName;
+	LLSD mNotifyArgs;
+	BOOL		mIgnoreNextSessionLeave;
+	LLHandle<LLPanel> mLoginNotificationHandle;
+
+	typedef std::map<LLUUID, LLVoiceChannel*> voice_channel_map_t;
+	static voice_channel_map_t sVoiceChannelMap;
+
+	typedef std::map<std::string, LLVoiceChannel*> voice_channel_map_uri_t;
+	static voice_channel_map_uri_t sVoiceChannelURIMap;
+
+	static LLVoiceChannel* sCurrentVoiceChannel;
+	static LLVoiceChannel* sSuspendedVoiceChannel;
+	static BOOL sSuspended;
+};
+
+class LLVoiceChannelGroup : public LLVoiceChannel
+{
+public:
+	LLVoiceChannelGroup(const LLUUID& session_id, const std::string& session_name);
+
+	/*virtual*/ void handleStatusChange(EStatusType status);
+	/*virtual*/ void handleError(EStatusType status);
+	/*virtual*/ void activate();
+	/*virtual*/ void deactivate();
+	/*vritual*/ void setChannelInfo(
+		const std::string& uri,
+		const std::string& credentials);
+	/*virtual*/ void getChannelInfo();
+
+protected:
+	virtual void setState(EState state);
+
+private:
+	U32 mRetries;
+	BOOL mIsRetrying;
+};
+
+class LLVoiceChannelProximal : public LLVoiceChannel, public LLSingleton<LLVoiceChannelProximal>
+{
+public:
+	LLVoiceChannelProximal();
+
+	/*virtual*/ void onChange(EStatusType status, const std::string &channelURI, bool proximal);
+	/*virtual*/ void handleStatusChange(EStatusType status);
+	/*virtual*/ void handleError(EStatusType status);
+	/*virtual*/ BOOL isActive();
+	/*virtual*/ void activate();
+	/*virtual*/ void deactivate();
+
+};
+
+class LLVoiceChannelP2P : public LLVoiceChannelGroup
+{
+public:
+	LLVoiceChannelP2P(const LLUUID& session_id, const std::string& session_name, const LLUUID& other_user_id);
+
+	/*virtual*/ void handleStatusChange(EStatusType status);
+	/*virtual*/ void handleError(EStatusType status);
+    /*virtual*/ void activate();
+	/*virtual*/ void getChannelInfo();
+
+	void setSessionHandle(const std::string& handle, const std::string &inURI);
+
+protected:
+	virtual void setState(EState state);
+
+private:
+	std::string	mSessionHandle;
+	LLUUID		mOtherUserID;
+	BOOL		mReceivedCall;
+};
+
+#endif  // LL_VOICECHANNEL_H
diff --git a/indra/newview/llvoiceclient.cpp b/indra/newview/llvoiceclient.cpp
index 02f63a848b..2834284a9b 100644
--- a/indra/newview/llvoiceclient.cpp
+++ b/indra/newview/llvoiceclient.cpp
@@ -57,13 +57,13 @@
 #include "llagent.h"
 #include "llcachename.h"
 #include "llimview.h" // for LLIMMgr
-#include "llimpanel.h" // for LLVoiceChannel
 #include "llparcel.h"
 #include "llviewerparcelmgr.h"
 #include "llfirstuse.h"
 #include "llviewerwindow.h"
 #include "llviewercamera.h"
 #include "llvoavatarself.h"
+#include "llvoicechannel.h"
 
 #include "llfloaterfriends.h"  //VIVOX, inorder to refresh communicate panel
 #include "llfloaterchat.h"		// for LLFloaterChat::addChat()
diff --git a/indra/newview/skins/default/xui/en/floater_nearby_chat.xml b/indra/newview/skins/default/xui/en/floater_nearby_chat.xml
index 0bd4b441c6..d24d1b7064 100644
--- a/indra/newview/skins/default/xui/en/floater_nearby_chat.xml
+++ b/indra/newview/skins/default/xui/en/floater_nearby_chat.xml
@@ -14,7 +14,7 @@
  save_rect="true"
  title="Nearby Chat"
  save_visibility="true"
- single_instance="true" 
+ single_instance="true"
  width="320">
             <chat_history
              allow_html="true" 
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_sort.xml
index cc17e9dd4b..eedb4383bb 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_sort.xml
@@ -23,9 +23,14 @@
        parameter="sort_status" />
   </menu_item_check>
   <menu_item_separator layout="topleft" />
-  <menu_item_call name="view_icons" label="View People Icons">
-    <menu_item_call.on_click function="People.Friends.ViewSort.Action" userdata="view_icons" />
-  </menu_item_call>
+  <menu_item_check name="view_icons" label="View People Icons">
+    <menu_item_check.on_click
+     function="People.Friends.ViewSort.Action"
+     parameter="view_icons" />
+    <menu_item_check.on_check
+     function="CheckControl"
+     parameter="FriendsListShowIcons" />
+  </menu_item_check>
   <menu_item_call name="organize_offline" label="Organize Offline Friends">
     <menu_item_call.on_click function="People.Friends.ViewSort.Action" userdata="organize_offline" />
   </menu_item_call>
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
index f91a961388..c002cd078f 100644
--- 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
@@ -12,9 +12,14 @@
     <menu_item_call.on_click function="People.Nearby.ViewSort.Action" userdata="sort_distance" />
   </menu_item_call>
   <menu_item_separator layout="topleft" />
-  <menu_item_call name="view_icons" label="View People Icons">
-    <menu_item_call.on_click function="People.Nearby.ViewSort.Action" userdata="view_icons" />
-  </menu_item_call>
+  <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_separator layout="topleft" />
   <menu_item_call name="show_blocked_list" label="Show Blocked Residents &amp; Objects">
     <menu_item_call.on_click function="SideTray.ShowPanel" userdata="panel_block_list_sidetray" />
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_sort.xml
index d09871cff3..cfd6dc78b6 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_sort.xml
@@ -23,9 +23,14 @@
        parameter="sort_name" />
   </menu_item_check>
   <menu_item_separator layout="topleft" />
-  <menu_item_call name="view_icons" label="View People Icons">
-    <menu_item_call.on_click function="People.Recent.ViewSort.Action" userdata="view_icons" />
-  </menu_item_call>
+  <menu_item_check name="view_icons" label="View People Icons">
+    <menu_item_check.on_click
+     function="People.Recent.ViewSort.Action"
+     parameter="view_icons" />
+    <menu_item_check.on_check
+     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="SideTray.ShowPanel" userdata="panel_block_list_sidetray" />
diff --git a/indra/newview/skins/default/xui/en/menu_place_add_button.xml b/indra/newview/skins/default/xui/en/menu_place_add_button.xml
new file mode 100644
index 0000000000..e3a39a1242
--- /dev/null
+++ b/indra/newview/skins/default/xui/en/menu_place_add_button.xml
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
+<menu
+ layout="topleft"
+ left="0"
+ mouse_opaque="false"
+ name="menu_folder_gear"
+ visible="false">
+    <menu_item_call
+     label="Add Folder"
+     layout="topleft"
+     name="add_folder">
+        <on_click
+         function="Places.LandmarksGear.Add.Action"
+         parameter="category" />
+        <on_enable
+         function="Places.LandmarksGear.Enable"
+         parameter="category" />
+    </menu_item_call>
+    <menu_item_call
+     label="Add Landmark"
+     layout="topleft"
+     name="add_landmark">
+        <on_click
+         function="Places.LandmarksGear.Add.Action"
+         parameter="add_landmark" />
+    </menu_item_call>
+</menu>
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
new file mode 100644
index 0000000000..8db745fab7
--- /dev/null
+++ b/indra/newview/skins/default/xui/en/panel_adhoc_control_panel.xml
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
+<panel
+ name="panel_im_control_panel"
+ width="146"
+ height="215"
+ border="false">
+    <avatar_list
+     color="DkGray2"
+     follows="left|top|right|bottom"
+     height="130"
+     ignore_online_status="true"
+     layout="topleft"
+     left="3"
+     name="speakers_list"
+     opaque="false"
+     top="10"
+     width="140" />
+    <button
+     name="call_btn"
+     label="Call"
+     width="90"
+     height="20" />
+    <button
+     name="end_call_btn"
+     label="End Call"
+     width="90"
+     height="20" 
+     visible="false"/>
+</panel>
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
index 9767a673f6..15b6b2a00d 100644
--- a/indra/newview/skins/default/xui/en/panel_group_control_panel.xml
+++ b/indra/newview/skins/default/xui/en/panel_group_control_panel.xml
@@ -7,12 +7,14 @@
     <avatar_list
      color="DkGray2"
      follows="left|top|right|bottom"
-     height="150"
+     height="130"
+     ignore_online_status="true"
      layout="topleft"
      left="3"
      name="speakers_list"
+     opaque="false"
      top="10"
-     width="140"/>
+     width="140" />
     <button
      name="group_info_btn"
      label="Group Info"
@@ -24,4 +26,10 @@
      label="Call"
      width="90"
      height="20" />
+    <button
+     name="end_call_btn"
+     label="End Call"
+     width="90"
+     height="20" 
+     visible="false"/>
 </panel>
diff --git a/indra/newview/skins/default/xui/en/panel_group_roles.xml b/indra/newview/skins/default/xui/en/panel_group_roles.xml
index 75ded4f249..af1919bd8f 100644
--- a/indra/newview/skins/default/xui/en/panel_group_roles.xml
+++ b/indra/newview/skins/default/xui/en/panel_group_roles.xml
@@ -486,7 +486,7 @@ things in this group. There&apos;s a broad variety of Abilities.
         </panel>
     </tab_container>
     <panel
-     height="170"
+     height="190"
      layout="topleft"
      follows="left|top"
      left="10"
@@ -556,7 +556,7 @@ things in this group. There&apos;s a broad variety of Abilities.
         </scroll_list>
     </panel>
     <panel
-     height="215"
+     height="252"
      layout="topleft"
      left_delta="0"
      name="roles_footer"
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
index 7dc94d1141..dca52def49 100644
--- a/indra/newview/skins/default/xui/en/panel_im_control_panel.xml
+++ b/indra/newview/skins/default/xui/en/panel_im_control_panel.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes" ?>
 <panel name="panel_im_control_panel"
        width="96"
-       height="215"
+       height="225"
        border="false">
 
   <avatar_icon name="avatar_icon"
@@ -24,6 +24,13 @@
           width="90"
           height="20" />
 
+    <button
+     height="20"
+     label="End Call"
+     name="end_call_btn"
+     visible="false"
+     width="90" />
+
   <button name="share_btn"
           label="Share"
           width="90"
diff --git a/indra/newview/skins/default/xui/en/panel_landmarks.xml b/indra/newview/skins/default/xui/en/panel_landmarks.xml
index c33f68eaf7..5293043ba7 100644
--- a/indra/newview/skins/default/xui/en/panel_landmarks.xml
+++ b/indra/newview/skins/default/xui/en/panel_landmarks.xml
@@ -114,22 +114,10 @@
          image_disabled="AddItem_Disabled"
          layout="topleft"
          left_pad="5"
-         name="add_landmark_btn"
+         name="add_btn"
          picture_style="true"
          tool_tip="Add new landmark"
          width="18" />
-        <button
-         follows="bottom|left"
-         height="18"
-         image_selected="AddItem_Press"
-         image_unselected="AddItem_Off"
-         image_disabled="AddItem_Disabled"
-         layout="topleft"
-         left_pad="5"
-         name="add_folder_btn"
-         picture_style="true"
-         tool_tip="Add new folder"
-         width="18" />
         <dnd_button
          follows="bottom|right"
          height="18"
diff --git a/indra/newview/skins/default/xui/en/strings.xml b/indra/newview/skins/default/xui/en/strings.xml
index 2cc57aeaaf..4eacd72a7d 100644
--- a/indra/newview/skins/default/xui/en/strings.xml
+++ b/indra/newview/skins/default/xui/en/strings.xml
@@ -262,10 +262,6 @@
 	<string name="TrackYourCamera">Track your camera</string>
 	<string name="ControlYourCamera">Control your camera</string>
 
-	<!-- IM -->
-	<string name="IM_logging_string">-- Instant message logging enabled --</string>
-	<string name="Unnamed">(Unnamed)</string>
-	
 	<!-- Sim Access labels -->
 	<string name="SIM_ACCESS_PG">PG</string>
 	<string name="SIM_ACCESS_MATURE">Mature</string>
@@ -2881,7 +2877,14 @@ If you continue to receive this message, contact the [SUPPORT_SITE].
 	  Failed to start viewer
 	</string>
 
-  <!-- IM system messages -->
+	<!-- IM system messages -->
+	<string name="IM_logging_string">-- Instant message logging enabled --</string>
+	<string name="IM_typing_start_string">[NAME] is typing...</string>
+	<string name="Unnamed">(Unnamed)</string>
+	<string name="IM_moderated_chat_label">(Moderated: Voices off by default)</string>
+	<string name="IM_unavailable_text_label">Text chat is not available for this call.</string>
+
+
   <string name="ringing-im">
     Joining Voice Chat...
   </string>
diff --git a/indra/newview/skins/default/xui/en/widgets/gesture_combo_box.xml b/indra/newview/skins/default/xui/en/widgets/gesture_combo_box.xml
index 89e442baec..ab4ad94089 100644
--- a/indra/newview/skins/default/xui/en/widgets/gesture_combo_box.xml
+++ b/indra/newview/skins/default/xui/en/widgets/gesture_combo_box.xml
@@ -23,7 +23,8 @@
                               image_selected="DropDown_Selected"
                               image_disabled="DropDown_Disabled"
                               image_disabled_selected="DropDown_Disabled_Selected" />
-  <gesture_combo_box.combo_list bg_writeable_color="MenuDefaultBgColor" />
+  <gesture_combo_box.combo_list bg_writeable_color="MenuDefaultBgColor"
+                                scroll_bar_bg_visible="true" />
   <gesture_combo_box.combo_editor name="Combo Text Entry"
                           select_on_focus="true"
                           font="SansSerifSmall" />