Pull merge from lindenlab/viewer-release

215 files changed, 8459 insertions, 3551 deletions

diff --git a/indra/llui/CMakeLists.txt b/indra/llui/CMakeLists.txt
index d92b6aa1c0..34a08603fa 100644..100755
--- a/indra/llui/CMakeLists.txt
+++ b/indra/llui/CMakeLists.txt
@@ -25,6 +25,10 @@ include_directories(
     ${LLXML_INCLUDE_DIRS}
     ${LIBS_PREBUILD_DIR}/include/hunspell
     )
+include_directories(SYSTEM
+    ${LLCOMMON_SYSTEM_INCLUDE_DIRS}
+    ${LLXML_SYSTEM_INCLUDE_DIRS}
+    )
 
 set(llui_SOURCE_FILES
     llaccordionctrl.cpp
@@ -33,6 +37,7 @@ set(llui_SOURCE_FILES
     llbadgeholder.cpp
     llbadgeowner.cpp
     llbutton.cpp
+    llchatentry.cpp
     llcheckboxctrl.cpp
     llclipboard.cpp
     llcombobox.cpp
@@ -46,12 +51,16 @@ set(llui_SOURCE_FILES
     lleditmenuhandler.cpp
     llf32uictrl.cpp
     llfiltereditor.cpp
+    llflashtimer.cpp
     llflatlistview.cpp
     llfloater.cpp
     llfloaterreg.cpp
     llfloaterreglistener.cpp
     llflyoutbutton.cpp 
     llfocusmgr.cpp
+    llfolderview.cpp
+    llfolderviewitem.cpp
+    llfolderviewmodel.cpp
     llfunctorregistry.cpp
     lliconctrl.cpp
     llkeywords.cpp
@@ -66,7 +75,6 @@ set(llui_SOURCE_FILES
     llmultislider.cpp
     llmultisliderctrl.cpp
     llnotifications.cpp
-    llnotificationslistener.cpp
     llnotificationsutil.cpp
     llpanel.cpp
     llprogressbar.cpp
@@ -109,7 +117,6 @@ set(llui_SOURCE_FILES
     lluicolortable.cpp
     lluictrl.cpp
     lluictrlfactory.cpp
-    lluiimage.cpp
     lluistring.cpp
     llundo.cpp
     llurlaction.cpp
@@ -135,6 +142,7 @@ set(llui_HEADER_FILES
     llbadgeowner.h
     llbutton.h
     llcallbackmap.h
+    llchatentry.h
     llcheckboxctrl.h
     llclipboard.h
     llcombobox.h
@@ -148,12 +156,16 @@ set(llui_HEADER_FILES
     lleditmenuhandler.h
     llf32uictrl.h
     llfiltereditor.h 
+    llflashtimer.h
     llflatlistview.h
     llfloater.h
     llfloaterreg.h
     llfloaterreglistener.h
     llflyoutbutton.h 
     llfocusmgr.h
+    llfolderview.h
+    llfolderviewitem.h
+    llfolderviewmodel.h
     llfunctorregistry.h
     llhelp.h
     lliconctrl.h
@@ -171,7 +183,6 @@ set(llui_HEADER_FILES
     llmultislider.h
     llnotificationptr.h
     llnotifications.h
-    llnotificationslistener.h
     llnotificationsutil.h
     llnotificationtemplate.h
     llnotificationvisibilityrule.h
@@ -219,7 +230,6 @@ set(llui_HEADER_FILES
     lluifwd.h
     llui.h
     lluicolor.h
-    lluiimage.h
     lluistring.h
     llundo.h
     llurlaction.h
diff --git a/indra/llui/llaccordionctrl.cpp b/indra/llui/llaccordionctrl.cpp
index d636161baf..d636161baf 100644..100755
--- a/indra/llui/llaccordionctrl.cpp
+++ b/indra/llui/llaccordionctrl.cpp
diff --git a/indra/llui/llaccordionctrl.h b/indra/llui/llaccordionctrl.h
index 1fe64c472e..1fe64c472e 100644..100755
--- a/indra/llui/llaccordionctrl.h
+++ b/indra/llui/llaccordionctrl.h
diff --git a/indra/llui/llaccordionctrltab.cpp b/indra/llui/llaccordionctrltab.cpp
index c025cd7939..43462bd244 100644..100755
--- a/indra/llui/llaccordionctrltab.cpp
+++ b/indra/llui/llaccordionctrltab.cpp
@@ -184,7 +184,7 @@ void LLAccordionCtrlTab::LLAccordionCtrlTabHeader::setTitleFontStyle(std::string
 	if (mHeaderTextbox)
 	{
 		std::string text = mHeaderTextbox->getText();
-		mStyleParams.font(mHeaderTextbox->getDefaultFont());
+		mStyleParams.font(mHeaderTextbox->getFont());
 		mStyleParams.font.style(style);
 		mHeaderTextbox->setText(text, mStyleParams);
 	}
diff --git a/indra/llui/llaccordionctrltab.h b/indra/llui/llaccordionctrltab.h
index dddaa581e6..dddaa581e6 100644..100755
--- a/indra/llui/llaccordionctrltab.h
+++ b/indra/llui/llaccordionctrltab.h
diff --git a/indra/llui/llbadge.cpp b/indra/llui/llbadge.cpp
index 8ede4e3468..8ede4e3468 100644..100755
--- a/indra/llui/llbadge.cpp
+++ b/indra/llui/llbadge.cpp
diff --git a/indra/llui/llbadge.h b/indra/llui/llbadge.h
index 4b21a71aaa..4b21a71aaa 100644..100755
--- a/indra/llui/llbadge.h
+++ b/indra/llui/llbadge.h
diff --git a/indra/llui/llbadgeholder.cpp b/indra/llui/llbadgeholder.cpp
index 1f786f36ae..1f786f36ae 100644..100755
--- a/indra/llui/llbadgeholder.cpp
+++ b/indra/llui/llbadgeholder.cpp
diff --git a/indra/llui/llbadgeholder.h b/indra/llui/llbadgeholder.h
index 2538eaae91..2538eaae91 100644..100755
--- a/indra/llui/llbadgeholder.h
+++ b/indra/llui/llbadgeholder.h
diff --git a/indra/llui/llbadgeowner.cpp b/indra/llui/llbadgeowner.cpp
index 1860a05edd..1860a05edd 100644..100755
--- a/indra/llui/llbadgeowner.cpp
+++ b/indra/llui/llbadgeowner.cpp
diff --git a/indra/llui/llbadgeowner.h b/indra/llui/llbadgeowner.h
index 8d03e30645..8d03e30645 100644..100755
--- a/indra/llui/llbadgeowner.h
+++ b/indra/llui/llbadgeowner.h
diff --git a/indra/llui/llbutton.cpp b/indra/llui/llbutton.cpp
index 705fe16559..44f2c1efe9 100644..100755
--- a/indra/llui/llbutton.cpp
+++ b/indra/llui/llbutton.cpp
@@ -105,6 +105,7 @@ LLButton::Params::Params()
 	badge("badge"),
 	handle_right_mouse("handle_right_mouse"),
 	held_down_delay("held_down_delay"),
+	button_flash_enable("button_flash_enable", false),
 	button_flash_count("button_flash_count"),
 	button_flash_rate("button_flash_rate")
 {
@@ -171,9 +172,24 @@ LLButton::LLButton(const LLButton::Params& p)
 	mHeldDownSignal(NULL),
 	mUseDrawContextAlpha(p.use_draw_context_alpha),
 	mHandleRightMouse(p.handle_right_mouse),
-	mButtonFlashCount(p.button_flash_count),
-	mButtonFlashRate(p.button_flash_rate)
+	mFlashingTimer(NULL)
 {
+	if (p.button_flash_enable)
+	{
+		// If optional parameter "p.button_flash_count" is not provided, LLFlashTimer will be
+		// used instead it a "default" value from gSavedSettings.getS32("FlashCount")).
+		// Likewise, missing "p.button_flash_rate" is replaced by gSavedSettings.getF32("FlashPeriod").
+		// Note: flashing should be allowed in settings.xml (boolean key "EnableButtonFlashing").
+		S32 flash_count = p.button_flash_count.isProvided()? p.button_flash_count : 0;
+		F32 flash_rate = p.button_flash_rate.isProvided()? p.button_flash_rate : 0.0;
+		mFlashingTimer = new LLFlashTimer ((LLFlashTimer::callback_t)NULL, flash_count, flash_rate);
+	}
+	else
+	{
+		mButtonFlashCount = p.button_flash_count;
+		mButtonFlashRate = p.button_flash_rate;
+	}
+
 	static LLUICachedControl<S32> llbutton_orig_h_pad ("UIButtonOrigHPad", 0);
 	static Params default_params(LLUICtrlFactory::getDefaultParams<LLButton>());
 
@@ -267,6 +283,11 @@ LLButton::~LLButton()
 	delete mMouseDownSignal;
 	delete mMouseUpSignal;
 	delete mHeldDownSignal;
+
+	if (mFlashingTimer)
+	{
+		mFlashingTimer->unset();
+	}
 }
 
 // HACK: Committing a button is the same as instantly clicking it.
@@ -591,22 +612,6 @@ void LLButton::draw()
 {
 	static LLCachedControl<bool> sEnableButtonFlashing(*LLUI::sSettingGroups["config"], "EnableButtonFlashing", true);
 	F32 alpha = mUseDrawContextAlpha ? getDrawContext().mAlpha : getCurrentTransparency();
-	bool flash = FALSE;
-
-	if( mFlashing)
-	{
-		if ( sEnableButtonFlashing)
-		{
-			F32 elapsed = mFlashingTimer.getElapsedTimeF32();
-			S32 flash_count = S32(elapsed * mButtonFlashRate * 2.f);
-			// flash on or off?
-			flash = (flash_count % 2 == 0) || flash_count > S32((F32)mButtonFlashCount * 2.f);
-		}
-		else
-		{ // otherwise just highlight button in flash color
-			flash = true;
-		}
-	}
 
 	bool pressed_by_keyboard = FALSE;
 	if (hasFocus())
@@ -631,9 +636,21 @@ void LLButton::draw()
 	bool selected = getToggleState();
 	
 	bool use_glow_effect = FALSE;
-	LLColor4 glow_color = LLColor4::white;
+	LLColor4 highlighting_color = LLColor4::white;
+	LLColor4 glow_color;
 	LLRender::eBlendType glow_type = LLRender::BT_ADD_WITH_ALPHA;
 	LLUIImage* imagep = NULL;
+
+    //  Cancel sticking of color, if the button is pressed,
+	//  or when a flashing of the previously selected button is ended
+	if (mFlashingTimer
+		&& ((selected && !mFlashingTimer->isFlashingInProgress() && !mForceFlashing) || pressed))
+	{
+		mFlashing = false;
+	}
+
+	bool flash = mFlashing && sEnableButtonFlashing;
+
 	if (pressed && mDisplayPressedState)
 	{
 		imagep = selected ? mImagePressedSelected : mImagePressed;
@@ -699,15 +716,20 @@ void LLButton::draw()
 			imagep = mImageFlash;
 		}
 		// else use usual flashing via flash_color
-		else
+		else if (mFlashingTimer)
 		{
 			LLColor4 flash_color = mFlashBgColor.get();
 			use_glow_effect = TRUE;
 			glow_type = LLRender::BT_ALPHA; // blend the glow
-			if (mNeedsHighlight) // highlighted AND flashing
-				glow_color = (glow_color*0.5f + flash_color*0.5f) % 2.0f; // average between flash and highlight colour, with sum of the opacity
-			else
+
+			if (mFlashingTimer->isCurrentlyHighlighted() || !mFlashingTimer->isFlashingInProgress())
+			{
 				glow_color = flash_color;
+			}
+			else if (mNeedsHighlight)
+			{
+                glow_color = highlighting_color;
+			}
 		}
 	}
 
@@ -756,8 +778,7 @@ void LLButton::draw()
 	if (use_glow_effect)
 	{
 		mCurGlowStrength = lerp(mCurGlowStrength,
-					mFlashing ? (flash? 1.0 : 0.0)
-					: mHoverGlowStrength,
+					mFlashing ? (mFlashingTimer->isCurrentlyHighlighted() || !mFlashingTimer->isFlashingInProgress() || mNeedsHighlight? 1.0 : 0.0) : mHoverGlowStrength,
 					LLCriticalDamp::getInterpolant(0.05f));
 	}
 	else
@@ -944,21 +965,27 @@ void LLButton::setToggleState(BOOL b)
 	{
 		setControlValue(b); // will fire LLControlVariable callbacks (if any)
 		setValue(b);        // may or may not be redundant
+		setFlashing(false);	// stop flash state whenever the selected/unselected state if reset
 		// Unselected label assignments
 		autoResize();
 	}
 }
 
-void LLButton::setFlashing( BOOL b )	
+void LLButton::setFlashing(bool b, bool force_flashing/* = false */)
 { 
-	if ((bool)b != mFlashing)
+	mForceFlashing = force_flashing;
+	if (mFlashingTimer)
 	{
 		mFlashing = b; 
-		mFlashingTimer.reset();
+		(b ? mFlashingTimer->startFlashing() : mFlashingTimer->stopFlashing());
+	}
+	else if (b != mFlashing)
+	{
+		mFlashing = b; 
+		mFrameTimer.reset();
 	}
 }
 
-
 BOOL LLButton::toggleState()			
 {
     bool flipped = ! getToggleState();
diff --git a/indra/llui/llbutton.h b/indra/llui/llbutton.h
index deaa0823c6..7b4719866d 100644..100755
--- a/indra/llui/llbutton.h
+++ b/indra/llui/llbutton.h
@@ -30,6 +30,7 @@
 #include "lluuid.h"
 #include "llbadgeowner.h"
 #include "llcontrol.h"
+#include "llflashtimer.h"
 #include "lluictrl.h"
 #include "v4color.h"
 #include "llframetimer.h"
@@ -133,6 +134,7 @@ public:
 
 		Optional<bool>				handle_right_mouse;
 
+		Optional<bool>				button_flash_enable;
 		Optional<S32>				button_flash_count;
 		Optional<F32>				button_flash_rate;
 
@@ -199,8 +201,9 @@ public:
 	void			setToggleState(BOOL b);
 
 	void			setHighlight(bool b);
-	void			setFlashing( BOOL b );
+	void			setFlashing( bool b, bool force_flashing = false );
 	BOOL			getFlashing() const		{ return mFlashing; }
+    LLFlashTimer*   getFlashTimer() {return mFlashingTimer;}
 
 	void			setHAlign( LLFontGL::HAlign align )		{ mHAlign = align; }
 	LLFontGL::HAlign getHAlign() const						{ return mHAlign; }
@@ -373,8 +376,9 @@ protected:
 	bool						mForcePressedState;
 	bool						mDisplayPressedState;
 
-	LLFrameTimer				mFlashingTimer;
-
+	LLFrameTimer				mFrameTimer;
+	LLFlashTimer *				mFlashingTimer;
+	bool                        mForceFlashing; // Stick flashing color even if button is pressed
 	bool						mHandleRightMouse;
 };
 
diff --git a/indra/llui/llcallbackmap.h b/indra/llui/llcallbackmap.h
index 0a10877c09..0a10877c09 100644..100755
--- a/indra/llui/llcallbackmap.h
+++ b/indra/llui/llcallbackmap.h
diff --git a/indra/llui/llchatentry.cpp b/indra/llui/llchatentry.cpp
new file mode 100755
index 0000000000..c04b70eb64
--- /dev/null
+++ b/indra/llui/llchatentry.cpp
@@ -0,0 +1,259 @@
+/**
+ * @file llchatentry.cpp
+ * @brief LLChatEntry implementation
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2012, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#include "linden_common.h"
+#include "llscrollcontainer.h"
+
+#include "llchatentry.h"
+
+static LLDefaultChildRegistry::Register<LLChatEntry> r("chat_editor");
+
+LLChatEntry::Params::Params()
+:	has_history("has_history", true),
+ 	is_expandable("is_expandable", false),
+ 	expand_lines_count("expand_lines_count", 1)
+{}
+
+LLChatEntry::LLChatEntry(const Params& p)
+:	LLTextEditor(p),
+ 	mTextExpandedSignal(NULL),
+ 	mHasHistory(p.has_history),
+ 	mIsExpandable(p.is_expandable),
+ 	mExpandLinesCount(p.expand_lines_count),
+ 	mPrevLinesCount(0),
+	mSingleLineMode(false),
+	mPrevExpandedLineCount(S32_MAX)
+{
+	// Initialize current history line iterator
+	mCurrentHistoryLine = mLineHistory.begin();
+
+	mAutoIndent = false;
+}
+
+LLChatEntry::~LLChatEntry()
+{
+	delete mTextExpandedSignal;
+}
+
+void LLChatEntry::draw()
+{
+	if(mIsExpandable)
+	{
+		reflow();
+		expandText();
+	}
+	LLTextEditor::draw();
+}
+
+void LLChatEntry::onCommit()
+{
+	updateHistory();
+	LLTextEditor::onCommit();
+}
+
+boost::signals2::connection LLChatEntry::setTextExpandedCallback(const commit_signal_t::slot_type& cb)
+{
+	if (!mTextExpandedSignal)
+	{
+		mTextExpandedSignal = new commit_signal_t();
+	}
+	return mTextExpandedSignal->connect(cb);
+}
+
+void LLChatEntry::expandText()
+{
+	S32 line_count = mSingleLineMode ? 1 : mExpandLinesCount;
+
+	int visible_lines_count = llabs(getVisibleLines(true).first - getVisibleLines(true).second);
+	bool can_changed = getLineCount() <= line_count || line_count < mPrevExpandedLineCount ;
+	mPrevExpandedLineCount = line_count;
+
+	// true if pasted text has more lines than expand height limit and expand limit is not reached yet
+	bool text_pasted = (getLineCount() > line_count) && (visible_lines_count < line_count);
+
+	if (mIsExpandable && (can_changed || text_pasted || mSingleLineMode) && getLineCount() != mPrevLinesCount)
+	{
+		int lines_height = 0;
+		if (text_pasted)
+		{
+			// text is pasted and now mLineInfoList.size() > mExpandLineCounts and mLineInfoList is not empty,
+			// so lines_height is the sum of the last 'expanded_line_count' lines height
+			lines_height = (mLineInfoList.end() - line_count)->mRect.mTop - mLineInfoList.back().mRect.mBottom;
+		}
+		else
+		{
+			lines_height = mLineInfoList.begin()->mRect.mTop - mLineInfoList.back().mRect.mBottom;
+		}
+
+		int height = mVPad * 2 +  lines_height;
+
+		LLRect doc_rect = getRect();
+		doc_rect.setOriginAndSize(doc_rect.mLeft, doc_rect.mBottom, doc_rect.getWidth(), height);
+		setShape(doc_rect);
+
+		mPrevLinesCount = getLineCount();
+
+		if (mTextExpandedSignal)
+		{
+			(*mTextExpandedSignal)(this, LLSD() );
+		}
+
+		needsReflow();
+	}
+}
+
+// line history support
+void LLChatEntry::updateHistory()
+{
+	// On history enabled, remember committed line and
+	// reset current history line number.
+	// Be sure only to remember lines that are not empty and that are
+	// different from the last on the list.
+	if (mHasHistory && getLength())
+	{
+		// Add text to history, ignoring duplicates
+		if (mLineHistory.empty() || getText() != mLineHistory.back())
+		{
+			mLineHistory.push_back(getText());
+		}
+
+		mCurrentHistoryLine = mLineHistory.end();
+	}
+}
+
+void LLChatEntry::beforeValueChange()
+{
+    if(this->getLength() == 0 && !mLabel.empty())
+    {
+        this->clearSegments();
+    }
+}
+
+void LLChatEntry::onValueChange(S32 start, S32 end)
+{
+    //Internally resetLabel() must meet a condition before it can reset the label
+    resetLabel();
+}
+
+bool LLChatEntry::useLabel() const
+{
+    return !getLength() && !mLabel.empty();
+}
+
+void LLChatEntry::onFocusReceived()
+{
+	LLUICtrl::onFocusReceived();
+	updateAllowingLanguageInput();
+}
+
+void LLChatEntry::onFocusLost()
+{
+	LLTextEditor::focusLostHelper();
+	LLUICtrl::onFocusLost();
+}
+
+BOOL LLChatEntry::handleSpecialKey(const KEY key, const MASK mask)
+{
+	BOOL handled = FALSE;
+
+    // In the case of a chat entry, pressing RETURN when something is selected
+    // should NOT erase the selection (unlike a notecard, for example)
+    if (key == KEY_RETURN)
+    {
+        endOfDoc();
+        startSelection();
+        endSelection();
+    }
+
+	LLTextEditor::handleSpecialKey(key, mask);
+
+	switch(key)
+	{
+	case KEY_RETURN:
+		if (MASK_NONE == mask)
+		{
+			needsReflow();
+		}
+		break;
+
+	case KEY_UP:
+		if (mHasHistory && MASK_CONTROL == mask)
+		{
+			if (!mLineHistory.empty() && mCurrentHistoryLine > mLineHistory.begin())
+			{
+				setText(*(--mCurrentHistoryLine));
+				endOfDoc();
+			}
+			else
+			{
+				LLUI::reportBadKeystroke();
+			}
+			handled = TRUE;
+		}
+		break;
+
+	case KEY_DOWN:
+		if (mHasHistory && MASK_CONTROL == mask)
+		{
+			if (!mLineHistory.empty() && mCurrentHistoryLine < (mLineHistory.end() - 1) )
+			{
+				setText(*(++mCurrentHistoryLine));
+				endOfDoc();
+			}
+			else if (!mLineHistory.empty() && mCurrentHistoryLine == (mLineHistory.end() - 1) )
+			{
+				mCurrentHistoryLine++;
+				std::string empty("");
+				setText(empty);
+				needsReflow();
+				endOfDoc();
+			}
+			else
+			{
+				LLUI::reportBadKeystroke();
+			}
+			handled = TRUE;
+		}
+		break;
+
+	default:
+		break;
+	}
+
+	return handled;
+}
+
+void LLChatEntry::enableSingleLineMode(bool single_line_mode)
+{
+	if (mScroller)
+	{
+		mScroller->setSize(single_line_mode ? 0 : -1);
+	}
+
+	mSingleLineMode = single_line_mode;
+	mPrevLinesCount = -1;
+	setWordWrap(!single_line_mode);
+}
diff --git a/indra/llui/llchatentry.h b/indra/llui/llchatentry.h
new file mode 100755
index 0000000000..e67f39b21b
--- /dev/null
+++ b/indra/llui/llchatentry.h
@@ -0,0 +1,106 @@
+/**
+ * @file llchatentry.h
+ * @author Paul Guslisty
+ * @brief Text editor widget which is used for user input
+ *
+ * Features:
+ *			Optional line history so previous entries can be recalled by CTRL UP/DOWN
+ *			Optional auto-resize behavior on input chat field
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2012, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifndef LLCHATENTRY_H_
+#define LLCHATENTRY_H_
+
+#include "lltexteditor.h"
+
+class LLChatEntry : public LLTextEditor
+{
+public:
+
+	struct Params : public LLInitParam::Block<Params, LLTextEditor::Params>
+	{
+		Optional<bool>		has_history,
+							is_expandable;
+
+		Optional<int>		expand_lines_count;
+
+		Params();
+	};
+
+	virtual ~LLChatEntry();
+
+protected:
+
+	friend class LLUICtrlFactory;
+	LLChatEntry(const Params& p);
+    /*virtual*/ void    beforeValueChange();
+    /*virtual*/ void    onValueChange(S32 start, S32 end);
+    /*virtual*/ bool    useLabel() const;
+
+public:
+
+	virtual void	draw();
+	virtual	void	onCommit();
+	/*virtual*/ void	onFocusReceived();
+	/*virtual*/ void	onFocusLost();
+
+	void enableSingleLineMode(bool single_line_mode);
+	boost::signals2::connection setTextExpandedCallback(const commit_signal_t::slot_type& cb);
+
+private:
+
+	/**
+	 * Implements auto-resize behavior.
+	 * When user's typing reaches the right edge of the chat field
+	 * the chat field expands vertically by one line. The bottom of
+	 * the chat field remains bottom-justified. The chat field does
+	 * not expand beyond mExpandLinesCount.
+	 */
+	void	expandText();
+
+	/**
+	 * Implements line history so previous entries can be recalled by CTRL UP/DOWN
+	 */
+	void	updateHistory();
+
+	BOOL	handleSpecialKey(const KEY key, const MASK mask);
+
+
+	// Fired when text height expanded to mExpandLinesCount
+	commit_signal_t*			mTextExpandedSignal;
+
+	// line history support:
+	typedef std::vector<std::string>	line_history_t;
+	line_history_t::iterator			mCurrentHistoryLine;	// currently browsed history line
+	line_history_t						mLineHistory;			// line history storage
+	bool								mHasHistory;			// flag for enabled/disabled line history
+	bool								mIsExpandable;
+	bool								mSingleLineMode;
+
+	S32									mExpandLinesCount;
+	S32									mPrevLinesCount;
+	S32									mPrevExpandedLineCount;
+};
+
+#endif /* LLCHATENTRY_H_ */
diff --git a/indra/llui/llcheckboxctrl.cpp b/indra/llui/llcheckboxctrl.cpp
index 4fe444c1a4..5525520d78 100644..100755
--- a/indra/llui/llcheckboxctrl.cpp
+++ b/indra/llui/llcheckboxctrl.cpp
@@ -107,7 +107,7 @@ LLCheckBoxCtrl::LLCheckBoxCtrl(const LLCheckBoxCtrl::Params& p)
 	LLButton::Params params = p.check_button;
 	params.rect(btn_rect);
 	//params.control_name(p.control_name);
-	params.click_callback.function(boost::bind(&LLCheckBoxCtrl::onButtonPress, this, _2));
+	params.click_callback.function(boost::bind(&LLCheckBoxCtrl::onCommit, this));
 	params.commit_on_return(false);
 	// Checkboxes only allow boolean initial values, but buttons can
 	// take any LLSD.
@@ -123,18 +123,6 @@ LLCheckBoxCtrl::~LLCheckBoxCtrl()
 	// Children all cleaned up by default view destructor.
 }
 
-
-// static
-void LLCheckBoxCtrl::onButtonPress( const LLSD& data )
-{
-	//if (mRadioStyle)
-	//{
-	//	setValue(TRUE);
-	//}
-
-	onCommit();
-}
-
 void LLCheckBoxCtrl::onCommit()
 {
 	if( getEnabled() )
diff --git a/indra/llui/llcheckboxctrl.h b/indra/llui/llcheckboxctrl.h
index 67d8091a97..5ce45b2135 100644..100755
--- a/indra/llui/llcheckboxctrl.h
+++ b/indra/llui/llcheckboxctrl.h
@@ -103,8 +103,6 @@ public:
 	
 	virtual void		setControlName(const std::string& control_name, LLView* context);
 
-	void				onButtonPress(const LLSD& data);
-
 	virtual BOOL		isDirty()	const;		// Returns TRUE if the user has modified this control.
 	virtual void		resetDirty();			// Clear dirty state
 
diff --git a/indra/llui/llclipboard.cpp b/indra/llui/llclipboard.cpp
index 14173fdbb0..14173fdbb0 100644..100755
--- a/indra/llui/llclipboard.cpp
+++ b/indra/llui/llclipboard.cpp
diff --git a/indra/llui/llclipboard.h b/indra/llui/llclipboard.h
index fd2e7610df..fd2e7610df 100644..100755
--- a/indra/llui/llclipboard.h
+++ b/indra/llui/llclipboard.h
diff --git a/indra/llui/llcombobox.cpp b/indra/llui/llcombobox.cpp
index 41e5d74042..d4e14d9419 100644..100755
--- a/indra/llui/llcombobox.cpp
+++ b/indra/llui/llcombobox.cpp
@@ -551,7 +551,7 @@ void LLComboBox::showList()
 	LLCoordWindow window_size;
 	getWindow()->getSize(&window_size);
 	//HACK: shouldn't have to know about scale here
-	mList->fitContents( 192, llfloor((F32)window_size.mY / LLUI::sGLScaleFactor.mV[VY]) - 50 );
+	mList->fitContents( 192, llfloor((F32)window_size.mY / LLUI::getScaleFactor().mV[VY]) - 50 );
 
 	// Make sure that we can see the whole list
 	LLRect root_view_local;
diff --git a/indra/llui/llcombobox.h b/indra/llui/llcombobox.h
index 64dbaea306..64dbaea306 100644..100755
--- a/indra/llui/llcombobox.h
+++ b/indra/llui/llcombobox.h
diff --git a/indra/llui/llcommandmanager.cpp b/indra/llui/llcommandmanager.cpp
index 0e2f3f1961..625fb8e870 100644..100755
--- a/indra/llui/llcommandmanager.cpp
+++ b/indra/llui/llcommandmanager.cpp
@@ -63,6 +63,7 @@ LLCommand::Params::Params()
 	, is_running_parameters("is_running_parameters")
 	, is_starting_function("is_starting_function")
 	, is_starting_parameters("is_starting_parameters")
+	, is_flashing_allowed("is_flashing_allowed", false)
 {
 }
 
@@ -83,6 +84,7 @@ LLCommand::LLCommand(const LLCommand::Params& p)
 	, mIsRunningParameters(p.is_running_parameters)
 	, mIsStartingFunction(p.is_starting_function)
 	, mIsStartingParameters(p.is_starting_parameters)
+	, mIsFlashingAllowed(p.is_flashing_allowed)
 {
 }
 
diff --git a/indra/llui/llcommandmanager.h b/indra/llui/llcommandmanager.h
index a7276a48aa..ff5a8a3257 100644..100755
--- a/indra/llui/llcommandmanager.h
+++ b/indra/llui/llcommandmanager.h
@@ -111,6 +111,8 @@ public:
 		Optional<std::string>	is_starting_function;
 		Optional<LLSD>			is_starting_parameters;
 
+		Optional<bool>			is_flashing_allowed;
+
 		Params();
 	};
 
@@ -138,6 +140,8 @@ public:
 	const std::string& isStartingFunctionName() const { return mIsStartingFunction; }
 	const LLSD& isStartingParameters() const { return mIsStartingParameters; }
 
+	bool isFlashingAllowed() const { return mIsFlashingAllowed; }
+
 private:
 	LLCommandId mIdentifier;
 
@@ -161,6 +165,8 @@ private:
 
 	std::string mIsStartingFunction;
 	LLSD        mIsStartingParameters;
+
+	bool		mIsFlashingAllowed;
 };
 
 
diff --git a/indra/llui/llconsole.cpp b/indra/llui/llconsole.cpp
index 161496b1f5..fdfaf284de 100644..100755
--- a/indra/llui/llconsole.cpp
+++ b/indra/llui/llconsole.cpp
@@ -243,8 +243,6 @@ void LLConsole::draw()
 void LLConsole::Paragraph::makeParagraphColorSegments (const LLColor4 &color) 
 {
 	LLSD paragraph_color_segments;
-	LLColor4 lcolor=color;
-	
 	paragraph_color_segments[0]["text"] =wstring_to_utf8str(mParagraphText);
 	LLSD color_sd = color.getValue();
 	paragraph_color_segments[0]["color"]=color_sd;
diff --git a/indra/llui/llconsole.h b/indra/llui/llconsole.h
index f32f1dd74c..5ff05698b0 100644..100755
--- a/indra/llui/llconsole.h
+++ b/indra/llui/llconsole.h
@@ -37,6 +37,7 @@ class LLSD;
 class LLConsole : public LLFixedBuffer, public LLUICtrl, public LLInstanceTracker<LLConsole>
 {
 public:
+
 	typedef enum e_font_size
 	{
 		MONOSPACE = -1,
diff --git a/indra/llui/llcontainerview.cpp b/indra/llui/llcontainerview.cpp
index e08ccb0b78..e08ccb0b78 100644..100755
--- a/indra/llui/llcontainerview.cpp
+++ b/indra/llui/llcontainerview.cpp
diff --git a/indra/llui/llcontainerview.h b/indra/llui/llcontainerview.h
index e81600fd6c..e81600fd6c 100644..100755
--- a/indra/llui/llcontainerview.h
+++ b/indra/llui/llcontainerview.h
diff --git a/indra/llui/llctrlselectioninterface.cpp b/indra/llui/llctrlselectioninterface.cpp
index 7e886aff48..7e886aff48 100644..100755
--- a/indra/llui/llctrlselectioninterface.cpp
+++ b/indra/llui/llctrlselectioninterface.cpp
diff --git a/indra/llui/llctrlselectioninterface.h b/indra/llui/llctrlselectioninterface.h
index 2cdcbd88fe..2cdcbd88fe 100644..100755
--- a/indra/llui/llctrlselectioninterface.h
+++ b/indra/llui/llctrlselectioninterface.h
diff --git a/indra/llui/lldockablefloater.cpp b/indra/llui/lldockablefloater.cpp
index 3396213f1c..3396213f1c 100644..100755
--- a/indra/llui/lldockablefloater.cpp
+++ b/indra/llui/lldockablefloater.cpp
diff --git a/indra/llui/lldockablefloater.h b/indra/llui/lldockablefloater.h
index 89c9852f4a..89c9852f4a 100644..100755
--- a/indra/llui/lldockablefloater.h
+++ b/indra/llui/lldockablefloater.h
diff --git a/indra/llui/lldockcontrol.cpp b/indra/llui/lldockcontrol.cpp
index af39e41fa6..bd42497cb6 100644..100755
--- a/indra/llui/lldockcontrol.cpp
+++ b/indra/llui/lldockcontrol.cpp
@@ -31,7 +31,6 @@
 
 LLDockControl::LLDockControl(LLView* dockWidget, LLFloater* dockableFloater,
 		const LLUIImagePtr& dockTongue, DocAt dockAt, get_allowed_rect_callback_t get_allowed_rect_callback) :
-		mDockWidget(dockWidget),
 		mDockableFloater(dockableFloater),
 		mDockTongue(dockTongue),
 		mDockTongueX(0),
@@ -39,6 +38,11 @@ LLDockControl::LLDockControl(LLView* dockWidget, LLFloater* dockableFloater,
 {
 	mDockAt = dockAt;
 
+	if (dockWidget != NULL)
+	{
+		mDockWidgetHandle = dockWidget->getHandle();
+	}
+
 	if (dockableFloater->isDocked())
 	{
 		on();
@@ -62,7 +66,7 @@ LLDockControl::LLDockControl(LLView* dockWidget, LLFloater* dockableFloater,
 		repositionDockable();
 	}
 
-	if (mDockWidget != NULL)
+	if (getDock() != NULL)
 	{
 		mDockWidgetVisible = isDockVisible();
 	}
@@ -78,14 +82,15 @@ LLDockControl::~LLDockControl()
 
 void LLDockControl::setDock(LLView* dockWidget)
 {
-	mDockWidget = dockWidget;
-	if (mDockWidget != NULL)
+	if (dockWidget != NULL)
 	{
+		mDockWidgetHandle = dockWidget->getHandle();
 		repositionDockable();
 		mDockWidgetVisible = isDockVisible();
 	}
 	else
 	{
+		mDockWidgetHandle = LLHandle<LLView>();
 		mDockWidgetVisible = false;
 	}
 }
@@ -97,8 +102,8 @@ void LLDockControl::getAllowedRect(LLRect& rect)
 
 void LLDockControl::repositionDockable()
 {
-	if (!mDockWidget) return;
-	LLRect dockRect = mDockWidget->calcScreenRect();
+	if (!getDock()) return;
+	LLRect dockRect = getDock()->calcScreenRect();
 	LLRect rootRect;
 	LLRect floater_rect = mDockableFloater->calcScreenRect();
 	mGetAllowedRectCallback(rootRect);
@@ -150,13 +155,13 @@ bool LLDockControl::isDockVisible()
 {
 	bool res = true;
 
-	if (mDockWidget != NULL)
+	if (getDock() != NULL)
 	{
 		//we should check all hierarchy
-		res = mDockWidget->isInVisibleChain();
+		res = getDock()->isInVisibleChain();
 		if (res)
 		{
-			LLRect dockRect = mDockWidget->calcScreenRect();
+			LLRect dockRect = getDock()->calcScreenRect();
 
 			switch (mDockAt)
 			{
@@ -169,7 +174,7 @@ bool LLDockControl::isDockVisible()
 				// assume that parent for all dockable floaters
 				// is the root view
 				LLRect dockParentRect =
-						mDockWidget->getRootView()->calcScreenRect();
+						getDock()->getRootView()->calcScreenRect();
 				if (dockRect.mRight <= dockParentRect.mLeft
 						|| dockRect.mLeft >= dockParentRect.mRight)
 				{
@@ -189,7 +194,7 @@ bool LLDockControl::isDockVisible()
 void LLDockControl::moveDockable()
 {
 	// calculate new dockable position
-	LLRect dockRect = mDockWidget->calcScreenRect();
+	LLRect dockRect = getDock()->calcScreenRect();
 	LLRect rootRect;
 	mGetAllowedRectCallback(rootRect);
 
@@ -263,7 +268,7 @@ void LLDockControl::moveDockable()
 
 
 		// calculate dock tongue position
-		dockParentRect = mDockWidget->getParent()->calcScreenRect();
+		dockParentRect = getDock()->getParent()->calcScreenRect();
 		if (dockRect.getCenterX() < dockParentRect.mLeft)
 		{
 			mDockTongueX = dockParentRect.mLeft - mDockTongue->getWidth() / 2;
@@ -299,7 +304,7 @@ void LLDockControl::moveDockable()
 		}
 
 		// calculate dock tongue position
-		dockParentRect = mDockWidget->getParent()->calcScreenRect();
+		dockParentRect = getDock()->getParent()->calcScreenRect();
 		if (dockRect.getCenterX() < dockParentRect.mLeft)
 		{
 			mDockTongueX = dockParentRect.mLeft - mDockTongue->getWidth() / 2;
diff --git a/indra/llui/lldockcontrol.h b/indra/llui/lldockcontrol.h
index c9602011f6..98a9c7236d 100644..100755
--- a/indra/llui/lldockcontrol.h
+++ b/indra/llui/lldockcontrol.h
@@ -63,7 +63,7 @@ public:
 	void setDock(LLView* dockWidget);
 	LLView* getDock()
 	{
-		return mDockWidget;
+		return mDockWidgetHandle.get();
 	}
 	void repositionDockable();
 	void drawToungue();
@@ -83,7 +83,7 @@ private:
 	bool mRecalculateDockablePosition;
 	bool mDockWidgetVisible;
 	DocAt mDockAt;
-	LLView* mDockWidget;
+	LLHandle<LLView> mDockWidgetHandle;
 	LLRect mPrevDockRect;
 	LLRect mRootRect;
 	LLRect mFloaterRect;
diff --git a/indra/llui/lldraghandle.cpp b/indra/llui/lldraghandle.cpp
index 5f69c6af31..5f69c6af31 100644..100755
--- a/indra/llui/lldraghandle.cpp
+++ b/indra/llui/lldraghandle.cpp
diff --git a/indra/llui/lldraghandle.h b/indra/llui/lldraghandle.h
index e095e577b1..e095e577b1 100644..100755
--- a/indra/llui/lldraghandle.h
+++ b/indra/llui/lldraghandle.h
diff --git a/indra/llui/lleditmenuhandler.cpp b/indra/llui/lleditmenuhandler.cpp
index d48237e377..d48237e377 100644..100755
--- a/indra/llui/lleditmenuhandler.cpp
+++ b/indra/llui/lleditmenuhandler.cpp
diff --git a/indra/llui/lleditmenuhandler.h b/indra/llui/lleditmenuhandler.h
index 0932f094ef..0932f094ef 100644..100755
--- a/indra/llui/lleditmenuhandler.h
+++ b/indra/llui/lleditmenuhandler.h
diff --git a/indra/llui/llf32uictrl.cpp b/indra/llui/llf32uictrl.cpp
index d186f085b4..d186f085b4 100644..100755
--- a/indra/llui/llf32uictrl.cpp
+++ b/indra/llui/llf32uictrl.cpp
diff --git a/indra/llui/llf32uictrl.h b/indra/llui/llf32uictrl.h
index 6e648f9102..6e648f9102 100644..100755
--- a/indra/llui/llf32uictrl.h
+++ b/indra/llui/llf32uictrl.h
diff --git a/indra/llui/llfiltereditor.cpp b/indra/llui/llfiltereditor.cpp
index d62874d793..d62874d793 100644..100755
--- a/indra/llui/llfiltereditor.cpp
+++ b/indra/llui/llfiltereditor.cpp
diff --git a/indra/llui/llfiltereditor.h b/indra/llui/llfiltereditor.h
index 3a05bc05a1..3a05bc05a1 100644..100755
--- a/indra/llui/llfiltereditor.h
+++ b/indra/llui/llfiltereditor.h
diff --git a/indra/llui/llflashtimer.cpp b/indra/llui/llflashtimer.cpp
new file mode 100755
index 0000000000..e49628acd5
--- /dev/null
+++ b/indra/llui/llflashtimer.cpp
@@ -0,0 +1,100 @@
+/**
+ * @file llflashtimer.cpp
+ * @brief LLFlashTimer class implementation
+ *
+ * $LicenseInfo:firstyear=2002&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2012, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+#include "../newview/llviewerprecompiledheaders.h"
+
+#include "llflashtimer.h"
+#include "../newview/llviewercontrol.h"
+#include "lleventtimer.h"
+
+LLFlashTimer::LLFlashTimer(callback_t cb, S32 count, F32 period)
+		: LLEventTimer(period)
+		, mCallback(cb)
+		, mCurrentTickCount(0)
+        , mIsFlashingInProgress(false)
+        , mIsCurrentlyHighlighted(false)
+        , mUnset(false)
+{
+	mEventTimer.stop();
+
+	// By default use settings from settings.xml to be able change them via Debug settings. See EXT-5973.
+	// Due to Timer is implemented as derived class from EventTimer it is impossible to change period
+	// in runtime. So, both settings are made as required restart.
+	mFlashCount = 2 * ((count > 0) ? count : gSavedSettings.getS32("FlashCount"));
+	if (mPeriod <= 0)
+	{
+		mPeriod = gSavedSettings.getF32("FlashPeriod");
+	}
+}
+
+void LLFlashTimer::unset()
+{
+	mUnset = true;
+	mCallback = NULL;
+}
+
+BOOL LLFlashTimer::tick()
+{
+	mIsCurrentlyHighlighted = !mIsCurrentlyHighlighted;
+
+	if (mCallback)
+	{
+		mCallback(mIsCurrentlyHighlighted);
+	}
+
+	if (++mCurrentTickCount >= mFlashCount)
+	{
+		stopFlashing();
+	}
+
+	return mUnset;
+}
+
+void LLFlashTimer::startFlashing()
+{
+	mIsFlashingInProgress = true;
+	mIsCurrentlyHighlighted = true;
+	mEventTimer.start();
+}
+
+void LLFlashTimer::stopFlashing()
+{
+	mEventTimer.stop();
+	mIsFlashingInProgress = false;
+	mIsCurrentlyHighlighted = false;
+	mCurrentTickCount = 0;
+}
+
+bool LLFlashTimer::isFlashingInProgress()
+{
+	return mIsFlashingInProgress;
+}
+
+bool LLFlashTimer::isCurrentlyHighlighted()
+{
+	return mIsCurrentlyHighlighted;
+}
+
+
diff --git a/indra/llui/llflashtimer.h b/indra/llui/llflashtimer.h
new file mode 100755
index 0000000000..c60f99a8ea
--- /dev/null
+++ b/indra/llui/llflashtimer.h
@@ -0,0 +1,73 @@
+/**
+ * @file llflashtimer.h
+ * @brief LLFlashTimer class implementation
+ *
+ * $LicenseInfo:firstyear=2002&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2012, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_FLASHTIMER_H
+#define LL_FLASHTIMER_H
+
+#include "lleventtimer.h"
+
+class LLFlashTimer : public LLEventTimer
+{
+public:
+
+	typedef boost::function<void (bool)> callback_t;
+
+	/**
+	 * Constructor.
+	 *
+	 * @param count - how many times callback should be called (twice to not change original state)
+	 * @param period - how frequently callback should be called
+	 * @param cb - callback to be called each tick
+	 */
+	LLFlashTimer(callback_t cb = NULL, S32 count = 0, F32 period = 0.0);
+	~LLFlashTimer() {};
+
+	/*virtual*/ BOOL tick();
+
+	void startFlashing();
+	void stopFlashing();
+
+	bool isFlashingInProgress();
+	bool isCurrentlyHighlighted();
+	/*
+	 * Use this instead of deleting this object.
+	 * The next call to tick() will return true and that will destroy this object.
+	 */
+	void unset();
+
+private:
+	callback_t		mCallback;
+	/**
+	 * How many times parent will blink.
+	 */
+	S32 mFlashCount;
+	S32 mCurrentTickCount;
+	bool mIsCurrentlyHighlighted;
+	bool mIsFlashingInProgress;
+	bool mUnset;
+};
+
+#endif /* LL_FLASHTIMER_H */
diff --git a/indra/llui/llflatlistview.cpp b/indra/llui/llflatlistview.cpp
index 97a52fada4..97a52fada4 100644..100755
--- a/indra/llui/llflatlistview.cpp
+++ b/indra/llui/llflatlistview.cpp
diff --git a/indra/llui/llflatlistview.h b/indra/llui/llflatlistview.h
index 92bf429031..92bf429031 100644..100755
--- a/indra/llui/llflatlistview.h
+++ b/indra/llui/llflatlistview.h
diff --git a/indra/llui/llfloater.cpp b/indra/llui/llfloater.cpp
index 054b9173d3..273ceb4038 100644..100755
--- a/indra/llui/llfloater.cpp
+++ b/indra/llui/llfloater.cpp
@@ -64,6 +64,8 @@
 // use this to control "jumping" behavior when Ctrl-Tabbing
 const S32 TABBED_FLOATER_OFFSET = 0;
 
+extern LLControlGroup gSavedSettings;
+
 namespace LLInitParam
 {
 	void TypeValues<LLFloaterEnums::EOpenPositioning>::declareValues()
@@ -505,22 +507,11 @@ LLFloater::~LLFloater()
 {
 	LLFloaterReg::removeInstance(mInstanceName, mKey);
 	
-//	delete mNotificationContext;
-//	mNotificationContext = NULL;
-
-	//// am I not hosted by another floater?
-	//if (mHostHandle.isDead())
-	//{
-	//	LLFloaterView* parent = (LLFloaterView*) getParent();
-
-	//	if( parent )
-	//	{
-	//		parent->removeChild( this );
-	//	}
-	//}
-
-	// Just in case we might still have focus here, release it.
-	releaseFocus();
+	if( gFocusMgr.childHasKeyboardFocus(this))
+	{
+		// Just in case we might still have focus here, release it.
+		releaseFocus();
+	}
 
 	// This is important so that floaters with persistent rects (i.e., those
 	// created with rect control rather than an LLRect) are restored in their
@@ -627,6 +618,17 @@ void LLFloater::setVisible( BOOL visible )
 	storeVisibilityControl();
 }
 
+
+void LLFloater::setIsSingleInstance(BOOL is_single_instance)
+{
+	mSingleInstance = is_single_instance;
+	if (!mIsReuseInitialized)
+	{
+		mReuseInstance = is_single_instance; // reuse single-instance floaters by default
+	}
+}
+
+
 // virtual
 void LLFloater::handleVisibilityChange ( BOOL new_visibility )
 {
@@ -642,14 +644,20 @@ void LLFloater::openFloater(const LLSD& key)
 {
 	llinfos << "Opening floater " << getName() << llendl;
 	mKey = key; // in case we need to open ourselves again
-	
+
 	if (getSoundFlags() != SILENT 
 	// don't play open sound for hosted (tabbed) windows
 		&& !getHost() 
 		&& !getFloaterHost()
 		&& (!getVisible() || isMinimized()))
 	{
-		make_ui_sound("UISndWindowOpen");
+        //Don't play a sound for incoming voice call based upon chat preference setting
+        bool playSound = !(getName() == "incoming call" && gSavedSettings.getBOOL("PlaySoundIncomingVoiceCall") == FALSE);
+
+        if(playSound)
+        {
+            make_ui_sound("UISndWindowOpen");
+        }
 	}
 
 	//RN: for now, we don't allow rehosting from one multifloater to another
@@ -713,6 +721,33 @@ void LLFloater::closeFloater(bool app_quitting)
 			make_ui_sound("UISndWindowClose");
 		}
 
+		gFocusMgr.clearLastFocusForGroup(this);
+
+			if (hasFocus())
+			{
+				// Do this early, so UI controls will commit before the
+				// window is taken down.
+				releaseFocus();
+
+				// give focus to dependee floater if it exists, and we had focus first
+				if (isDependent())
+				{
+					LLFloater* dependee = mDependeeHandle.get();
+					if (dependee && !dependee->isDead())
+					{
+						dependee->setFocus(TRUE);
+					}
+				}
+			}
+
+
+		//If floater is a dependent, remove it from parent (dependee)
+        LLFloater* dependee = mDependeeHandle.get();
+        if (dependee)
+        {
+            dependee->removeDependentFloater(this);
+        }
+
 		// now close dependent floater
 		for(handle_set_iter_t dependent_it = mDependents.begin();
 			dependent_it != mDependents.end(); )
@@ -731,28 +766,6 @@ void LLFloater::closeFloater(bool app_quitting)
 		}
 		
 		cleanupHandles();
-		gFocusMgr.clearLastFocusForGroup(this);
-
-		if (hasFocus())
-		{
-			// Do this early, so UI controls will commit before the
-			// window is taken down.
-			releaseFocus();
-
-			// give focus to dependee floater if it exists, and we had focus first
-			if (isDependent())
-			{
-				LLFloater* dependee = mDependeeHandle.get();
-				if (dependee && !dependee->isDead())
-				{
-					dependee->setFocus(TRUE);
-				}
-			}
-
-			// STORM-1879: since this floater has focus, treat the closeFloater- call
-			// like a click on the close-button, and close gear- and contextmenus
-			LLMenuGL::sMenuContainer->hideMenus();
-		}
 
 		dirtyRect();
 
@@ -789,6 +802,20 @@ void LLFloater::closeFloater(bool app_quitting)
 }
 
 /*virtual*/
+void LLFloater::closeHostedFloater()
+{
+	// When toggling *visibility*, close the host instead of the floater when hosted
+	if (getHost())
+	{
+		getHost()->closeFloater();
+	}
+	else
+	{
+		closeFloater();
+	}
+}
+
+/*virtual*/
 void LLFloater::reshape(S32 width, S32 height, BOOL called_from_parent)
 {
 	LLPanel::reshape(width, height, called_from_parent);
@@ -1105,17 +1132,26 @@ void LLFloater::handleReshape(const LLRect& new_rect, bool by_user)
 	const LLRect old_rect = getRect();
 	LLView::handleReshape(new_rect, by_user);
 
-	if (by_user && !isMinimized())
+	if (by_user && !getHost())
 	{
-		storeRectControl();
-		mPositioning = LLFloaterEnums::POSITIONING_RELATIVE;
-		LLRect screen_rect = calcScreenRect();
-		mPosition = LLCoordGL(screen_rect.getCenterX(), screen_rect.getCenterY()).convert();
+		static_cast<LLFloaterView*>(getParent())->adjustToFitScreen(this, !isMinimized());
 	}
 
 	// if not minimized, adjust all snapped dependents to new shape
 	if (!isMinimized())
 	{
+		if (by_user)
+		{
+			if (isDocked())
+			{
+				setDocked( false, false);
+			}
+			storeRectControl();
+			mPositioning = LLFloaterEnums::POSITIONING_RELATIVE;
+			LLRect screen_rect = calcScreenRect();
+			mPosition = LLCoordGL(screen_rect.getCenterX(), screen_rect.getCenterY()).convert();
+		}
+
 		// gather all snapped dependents
 		for(handle_set_iter_t dependent_it = mDependents.begin();
 			dependent_it != mDependents.end(); ++dependent_it)
@@ -1179,7 +1215,6 @@ void LLFloater::setMinimized(BOOL minimize)
 	{
 		// minimized flag should be turned on before release focus
 		mMinimized = TRUE;
-
 		mExpandedRect = getRect();
 
 		// If the floater has been dragged while minimized in the
@@ -1252,7 +1287,6 @@ void LLFloater::setMinimized(BOOL minimize)
 		}
 
 		setOrigin( mExpandedRect.mLeft, mExpandedRect.mBottom );
-
 		if (mButtonsEnabled[BUTTON_RESTORE])
 		{
 			mButtonsEnabled[BUTTON_MINIMIZE] = TRUE;
@@ -1288,7 +1322,6 @@ void LLFloater::setMinimized(BOOL minimize)
 
 		// Reshape *after* setting mMinimized
 		reshape( mExpandedRect.getWidth(), mExpandedRect.getHeight(), TRUE );
-		applyPositioning(NULL, false);
 	}
 
 	make_ui_sound("UISndWindowClose");
@@ -1410,7 +1443,6 @@ void LLFloater::setHost(LLMultiFloater* host)
 		mButtonScale = 1.f;
 		//mButtonsEnabled[BUTTON_TEAR_OFF] = FALSE;
 	}
-	updateTitleButtons();
 	if (host)
 	{
 		mHostHandle = host->getHandle();
@@ -1420,6 +1452,8 @@ void LLFloater::setHost(LLMultiFloater* host)
 	{
 		mHostHandle.markDead();
 	}
+    
+	updateTitleButtons();
 }
 
 void LLFloater::moveResizeHandlesToFront()
@@ -1441,6 +1475,7 @@ void LLFloater::moveResizeHandlesToFront()
 	}
 }
 
+/*virtual*/
 BOOL LLFloater::isFrontmost()
 {
 	LLFloaterView* floater_view = getParentByType<LLFloaterView>();
@@ -1459,7 +1494,7 @@ void LLFloater::addDependentFloater(LLFloater* floaterp, BOOL reposition)
 		floaterp->setRect(gFloaterView->findNeighboringPosition(this, floaterp));
 		floaterp->setSnapTarget(getHandle());
 	}
-	gFloaterView->adjustToFitScreen(floaterp, FALSE);
+	gFloaterView->adjustToFitScreen(floaterp, FALSE, TRUE);
 	if (floaterp->isFrontmost())
 	{
 		// make sure to bring self and sibling floaters to front
@@ -1576,10 +1611,19 @@ void LLFloater::bringToFront( S32 x, S32 y )
 
 
 // virtual
-void LLFloater::setVisibleAndFrontmost(BOOL take_focus)
+void LLFloater::setVisibleAndFrontmost(BOOL take_focus, const LLSD& key)
 {
-	setVisible(TRUE);
-	setFrontmost(take_focus);
+	LLMultiFloater* hostp = getHost();
+	if (hostp)
+	{
+		hostp->setVisible(TRUE);
+		hostp->setFrontmost(take_focus);
+	}
+	else
+	{
+		setVisible(TRUE);
+		setFrontmost(take_focus);
+	}
 }
 
 void LLFloater::setFrontmost(BOOL take_focus)
@@ -1661,10 +1705,12 @@ void LLFloater::onClickTearOff(LLFloater* self)
 		gFloaterView->addChild(self);
 
 		self->openFloater(self->getKey());
-		
-		// only force position for floaters that don't have that data saved
-		if (self->mRectControl.empty())
+		if (self->mSaveRect && !self->mRectControl.empty())
 		{
+			self->applyRectControl();
+		}
+		else
+		{   // only force position for floaters that don't have that data saved
 			new_rect.setLeftTopAndSize(host_floater->getRect().mLeft + 5, host_floater->getRect().mTop - floater_header_size - 5, self->getRect().getWidth(), self->getRect().getHeight());
 			self->setRect(new_rect);
 		}
@@ -1678,6 +1724,10 @@ void LLFloater::onClickTearOff(LLFloater* self)
 		LLMultiFloater* new_host = (LLMultiFloater*)self->mLastHostHandle.get();
 		if (new_host)
 		{
+			if (self->mSaveRect)
+			{
+				self->storeRectControl();
+			}
 			self->setMinimized(FALSE); // to reenable minimize button if it was minimized
 			new_host->showFloater(self);
 			// make sure host is visible
@@ -1686,6 +1736,7 @@ void LLFloater::onClickTearOff(LLFloater* self)
 		self->setTornOff(false);
 	}
 	self->updateTitleButtons();
+    self->setOpenPositioning(LLFloaterEnums::POSITIONING_RELATIVE);
 }
 
 // static
@@ -1711,56 +1762,22 @@ void LLFloater::onClickHelp( LLFloater* self )
 	}
 }
 
-// static 
-LLFloater* LLFloater::getClosableFloaterFromFocus()
+void LLFloater::initRectControl()
 {
-	LLFloater* focused_floater = NULL;
-	LLInstanceTracker<LLFloater>::instance_iter it = beginInstances();
-	LLInstanceTracker<LLFloater>::instance_iter end_it = endInstances();
-	for (; it != end_it; ++it)
+	// save_rect and save_visibility only apply to registered floaters
+	if (mSaveRect)
 	{
-		if (it->hasFocus())
-		{
-			LLFloater& floater = *it;
-			focused_floater = &floater;
-			break;
-		}
-	}
-
-	if (it == endInstances())
-	{
-		// nothing found, return
-		return NULL;
-	}
-
-	// The focused floater may not be closable,
-	// Find and close a parental floater that is closeable, if any.
-	LLFloater* prev_floater = NULL;
-	for(LLFloater* floater_to_close = focused_floater;
-		NULL != floater_to_close; 
-		floater_to_close = gFloaterView->getParentFloater(floater_to_close))
-	{
-		if(floater_to_close->isCloseable())
-		{
-			return floater_to_close;
-		}
-
-		// If floater has as parent root view
-		// gFloaterView->getParentFloater(floater_to_close) returns
-		// the same floater_to_close, so we need to check this.
-		if (prev_floater == floater_to_close) {
-			break;
-		}
-		prev_floater = floater_to_close;
+		std::string ctrl_name = getControlName(mInstanceName, mKey);
+		mRectControl = LLFloaterReg::declareRectControl(ctrl_name);
+		mPosXControl = LLFloaterReg::declarePosXControl(ctrl_name);
+		mPosYControl = LLFloaterReg::declarePosYControl(ctrl_name);
 	}
-
-	return NULL;
 }
 
 // static
-void LLFloater::closeFocusedFloater()
+void LLFloater::closeFrontmostFloater()
 {
-	LLFloater* floater_to_close = LLFloater::getClosableFloaterFromFocus();
+	LLFloater* floater_to_close = gFloaterView->getFrontmostClosableFloater();
 	if(floater_to_close)
 	{
 		floater_to_close->closeFloater();
@@ -2201,7 +2218,8 @@ LLFloaterView::LLFloaterView (const Params& p)
 	mFocusCycleMode(FALSE),
 	mMinimizePositionVOffset(0),
 	mSnapOffsetBottom(0),
-	mSnapOffsetRight(0)
+	mSnapOffsetRight(0),
+	mFrontChild(NULL)
 {
 	mSnapView = getHandle();
 }
@@ -2350,6 +2368,17 @@ LLRect LLFloaterView::findNeighboringPosition( LLFloater* reference_floater, LLF
 
 void LLFloaterView::bringToFront(LLFloater* child, BOOL give_focus)
 {
+	if (mFrontChild == child)
+	{
+		if (give_focus && !gFocusMgr.childHasKeyboardFocus(child))
+		{
+			child->setFocus(TRUE);
+		}
+		return;
+	}
+
+	mFrontChild = child;
+
 	// *TODO: make this respect floater's mAutoFocus value, instead of
 	// using parameter
 	if (child->getHost())
@@ -2357,15 +2386,14 @@ void LLFloaterView::bringToFront(LLFloater* child, BOOL give_focus)
 		// this floater is hosted elsewhere and hence not one of our children, abort
 		return;
 	}
-	std::vector<LLView*> floaters_to_move;
+	std::vector<LLFloater*> floaters_to_move;
 	// Look at all floaters...tab
-	for ( child_list_const_iter_t child_it = getChildList()->begin(); child_it != getChildList()->end(); ++child_it)
+	for (child_list_const_iter_t child_it = beginChild(); child_it != endChild(); ++child_it)
 	{
-		LLView* viewp = *child_it;
-		LLFloater *floater = (LLFloater *)viewp;
+		LLFloater* floater = dynamic_cast<LLFloater*>(*child_it);
 
 		// ...but if I'm a dependent floater...
-		if (child->isDependent())
+		if (floater && child->isDependent())
 		{
 			// ...look for floaters that have me as a dependent...
 			LLFloater::handle_set_iter_t found_dependent = floater->mDependents.find(child->getHandle());
@@ -2373,15 +2401,14 @@ void LLFloaterView::bringToFront(LLFloater* child, BOOL give_focus)
 			if (found_dependent != floater->mDependents.end())
 			{
 				// ...and make sure all children of that floater (including me) are brought to front...
-				for(LLFloater::handle_set_iter_t dependent_it = floater->mDependents.begin();
-					dependent_it != floater->mDependents.end(); )
+				for (LLFloater::handle_set_iter_t dependent_it = floater->mDependents.begin();
+					dependent_it != floater->mDependents.end(); ++dependent_it)
 				{
 					LLFloater* sibling = dependent_it->get();
 					if (sibling)
 					{
 						floaters_to_move.push_back(sibling);
 					}
-					++dependent_it;
 				}
 				//...before bringing my parent to the front...
 				floaters_to_move.push_back(floater);
@@ -2389,10 +2416,10 @@ void LLFloaterView::bringToFront(LLFloater* child, BOOL give_focus)
 		}
 	}
 
-	std::vector<LLView*>::iterator view_it;
-	for(view_it = floaters_to_move.begin(); view_it != floaters_to_move.end(); ++view_it)
+	std::vector<LLFloater*>::iterator floater_it;
+	for(floater_it = floaters_to_move.begin(); floater_it != floaters_to_move.end(); ++floater_it)
 	{
-		LLFloater* floaterp = (LLFloater*)(*view_it);
+		LLFloater* floaterp = *floater_it;
 		sendChildToFront(floaterp);
 
 		// always unminimize dependee, but allow dependents to stay minimized
@@ -2404,23 +2431,19 @@ void LLFloaterView::bringToFront(LLFloater* child, BOOL give_focus)
 	floaters_to_move.clear();
 
 	// ...then bringing my own dependents to the front...
-	for(LLFloater::handle_set_iter_t dependent_it = child->mDependents.begin();
-		dependent_it != child->mDependents.end(); )
+	for (LLFloater::handle_set_iter_t dependent_it = child->mDependents.begin();
+		dependent_it != child->mDependents.end(); ++dependent_it)
 	{
 		LLFloater* dependent = dependent_it->get();
 		if (dependent)
 		{
 			sendChildToFront(dependent);
-			//don't un-minimize dependent windows automatically
-			// respect user's wishes
-			//dependent->setMinimized(FALSE);
 		}
-		++dependent_it;
 	}
 
 	// ...and finally bringing myself to front 
 	// (do this last, so that I'm left in front at end of this call)
-	if( *getChildList()->begin() != child ) 
+	if (*beginChild() != child)
 	{
 		sendChildToFront(child);
 	}
@@ -2478,6 +2501,24 @@ void LLFloaterView::highlightFocusedFloater()
 	}
 }
 
+LLFloater* LLFloaterView::getFrontmostClosableFloater()
+{
+	child_list_const_iter_t child_it;
+	LLFloater* frontmost_floater = NULL;
+
+	for ( child_it = getChildList()->begin(); child_it != getChildList()->end(); ++child_it)
+	{
+		frontmost_floater = (LLFloater *)(*child_it);
+
+		if (frontmost_floater->isInVisibleChain() && frontmost_floater->isCloseable())
+		{
+			return frontmost_floater;
+		}
+	}
+
+	return NULL;
+}
+
 void LLFloaterView::unhighlightFocusedFloater()
 {
 	for ( child_list_const_iter_t child_it = getChildList()->begin(); child_it != getChildList()->end(); ++child_it)
@@ -2684,7 +2725,7 @@ void LLFloaterView::refresh()
 
 const S32 FLOATER_MIN_VISIBLE_PIXELS = 16;
 
-void LLFloaterView::adjustToFitScreen(LLFloater* floater, BOOL allow_partial_outside)
+void LLFloaterView::adjustToFitScreen(LLFloater* floater, BOOL allow_partial_outside, BOOL snap_in_toolbars/* = false*/)
 {
 	if (floater->getParent() != this)
 	{
@@ -2737,7 +2778,7 @@ void LLFloaterView::adjustToFitScreen(LLFloater* floater, BOOL allow_partial_out
 	}
 
 	// move window fully onscreen
-	if (floater->translateIntoRect( getSnapRect(), allow_partial_outside ? FLOATER_MIN_VISIBLE_PIXELS : S32_MAX ))
+	if (floater->translateIntoRect( snap_in_toolbars ? getSnapRect() : gFloaterView->getRect(), allow_partial_outside ? FLOATER_MIN_VISIBLE_PIXELS : S32_MAX ))
 	{
 		floater->clearSnapTarget();
 	}
@@ -2942,21 +2983,14 @@ void LLFloaterView::popVisibleAll(const skip_list_t& skip_list)
 
 void LLFloater::setInstanceName(const std::string& name)
 {
-	if (name == mInstanceName)
-		return;
+	if (name != mInstanceName)
+	{
 	llassert_always(mInstanceName.empty());
 	mInstanceName = name;
 	if (!mInstanceName.empty())
 	{
 		std::string ctrl_name = getControlName(mInstanceName, mKey);
-
-		// save_rect and save_visibility only apply to registered floaters
-		if (mSaveRect)
-		{
-			mRectControl = LLFloaterReg::declareRectControl(ctrl_name);
-			mPosXControl = LLFloaterReg::declarePosXControl(ctrl_name);
-			mPosYControl = LLFloaterReg::declarePosYControl(ctrl_name);
-		}
+			initRectControl();
 		if (!mVisibilityControl.empty())
 		{
 			mVisibilityControl = LLFloaterReg::declareVisibilityControl(ctrl_name);
@@ -2967,6 +3001,7 @@ void LLFloater::setInstanceName(const std::string& name)
 		}
 	}
 }
+}
 
 void LLFloater::setKey(const LLSD& newkey)
 {
@@ -3213,6 +3248,11 @@ bool LLFloater::isShown() const
     return ! isMinimized() && isInVisibleChain();
 }
 
+bool LLFloater::isDetachedAndNotMinimized()
+{
+	return !getHost() && !isMinimized();
+}
+
 /* static */
 bool LLFloater::isShown(const LLFloater* floater)
 {
diff --git a/indra/llui/llfloater.h b/indra/llui/llfloater.h
index e64b6d04d3..59448530d9 100644..100755
--- a/indra/llui/llfloater.h
+++ b/indra/llui/llfloater.h
@@ -112,6 +112,8 @@ struct LLCoordFloater : LLCoord<LL_COORD_FLOATER>
 	bool operator!=(const LLCoordFloater& other) const { return !(*this == other); }
 
 	void setFloater(LLFloater& floater);
+
+	
 };
 
 class LLFloater : public LLPanel, public LLInstanceTracker<LLFloater>
@@ -121,6 +123,7 @@ class LLFloater : public LLPanel, public LLInstanceTracker<LLFloater>
 	friend class LLMultiFloater;
 
 public:
+
 	struct KeyCompare
 	{
 //		static bool compare(const LLSD& a, const LLSD& b);
@@ -217,13 +220,17 @@ public:
 	/*virtual*/ void setFocus( BOOL b );
 	/*virtual*/ void setIsChrome(BOOL is_chrome);
 	/*virtual*/ void setRect(const LLRect &rect);
+                void setIsSingleInstance(BOOL is_single_instance);
 
 	void 			initFloater(const Params& p);
 
 	void			openFloater(const LLSD& key = LLSD());
 
 	// If allowed, close the floater cleanly, releasing focus.
-	void			closeFloater(bool app_quitting = false);
+	virtual void	closeFloater(bool app_quitting = false);
+
+	// Close the floater or its host. Use when hidding or toggling a floater instance.
+	virtual void	closeHostedFloater();
 
 	/*virtual*/ void reshape(S32 width, S32 height, BOOL called_from_parent = TRUE);
 	
@@ -234,6 +241,7 @@ public:
 	void			center();
 
 	LLMultiFloater* getHost();
+	bool isDetachedAndNotMinimized();
 
 	void			applyTitle();
 	std::string		getCurrentTitle() const;
@@ -257,7 +265,7 @@ public:
 	static bool     isVisible(const LLFloater* floater);
 	static bool     isMinimized(const LLFloater* floater);
 	BOOL			isFirstLook() { return mFirstLook; } // EXT-2653: This function is necessary to prevent overlapping for secondary showed toasts
-	BOOL			isFrontmost();
+	virtual BOOL	isFrontmost();
 	BOOL			isDependent()					{ return !mDependeeHandle.isDead(); }
 	void			setCanMinimize(BOOL can_minimize);
 	void			setCanClose(BOOL can_close);
@@ -301,6 +309,7 @@ public:
 	/*virtual*/ void handleVisibilityChange ( BOOL new_visibility ); // do not override
 	
 	void			setFrontmost(BOOL take_focus = TRUE);
+    virtual void	setVisibleAndFrontmost(BOOL take_focus=TRUE, const LLSD& key = LLSD());    
 	
 	// Defaults to false.
 	virtual BOOL	canSaveAs() const { return FALSE; }
@@ -324,13 +333,13 @@ public:
 	virtual void    setDocked(bool docked, bool pop_on_undock = true);
 
 	virtual void    setTornOff(bool torn_off) { mTornOff = torn_off; }
+	bool isTornOff() {return mTornOff;}
+	void setOpenPositioning(LLFloaterEnums::EOpenPositioning pos) {mPositioning = pos;}
 
-	// Return a closeable floater, if any, given the current focus.
-	static LLFloater* getClosableFloaterFromFocus(); 
 
-	// Close the floater returned by getClosableFloaterFromFocus() and 
+	// Close the floater returned by getFrontmostClosableFloater() and 
 	// handle refocusing.
-	static void		closeFocusedFloater();
+	static void		closeFrontmostFloater();
 
 //	LLNotification::Params contextualNotification(const std::string& name) 
 //	{ 
@@ -356,6 +365,7 @@ protected:
 
 	void			stackWith(LLFloater& other);
 
+	virtual void    initRectControl();
 	virtual bool	applyRectControl();
 	bool			applyDockState();
 	void			applyPositioning(LLFloater* other, bool on_open);
@@ -369,7 +379,6 @@ protected:
 	void		 	setInstanceName(const std::string& name);
 	
 	virtual void	bringToFront(S32 x, S32 y);
-	virtual void	setVisibleAndFrontmost(BOOL take_focus=TRUE);    
 	
 	void			setExpandedRect(const LLRect& rect) { mExpandedRect = rect; } // size when not minimized
 	const LLRect&	getExpandedRect() const { return mExpandedRect; }
@@ -443,9 +452,10 @@ private:
 	LLUIString		mTitle;
 	LLUIString		mShortTitle;
 	
-	BOOL			mSingleInstance;	// TRUE if there is only ever one instance of the floater
-	bool			mReuseInstance;		// true if we want to hide the floater when we close it instead of destroying it
-	std::string		mInstanceName;		// Store the instance name so we can remove ourselves from the list
+	BOOL			mSingleInstance;	  // TRUE if there is only ever one instance of the floater
+	bool			mReuseInstance;		  // true if we want to hide the floater when we close it instead of destroying it
+    bool            mIsReuseInitialized;  // true if mReuseInstance already set from parameters
+	std::string		mInstanceName;		  // Store the instance name so we can remove ourselves from the list
 	
 	BOOL			mCanTearOff;
 	BOOL			mCanMinimize;
@@ -522,7 +532,7 @@ public:
 	LLRect			findNeighboringPosition( LLFloater* reference_floater, LLFloater* neighbor );
 
 	// Given a child of gFloaterView, make sure this view can fit entirely onscreen.
-	void			adjustToFitScreen(LLFloater* floater, BOOL allow_partial_outside);
+	void			adjustToFitScreen(LLFloater* floater, BOOL allow_partial_outside, BOOL snap_in_toolbars = false);
 
 	void			setMinimizePositionVerticalOffset(S32 offset) { mMinimizePositionVOffset = offset; }
 	void			getMinimizePosition( S32 *left, S32 *bottom);
@@ -559,6 +569,7 @@ public:
 	S32 getZOrder(LLFloater* child);
 
 	void setFloaterSnapView(LLHandle<LLView> snap_view) {mSnapView = snap_view; }
+	LLFloater* getFrontmostClosableFloater(); 
 
 private:
 	void hiddenFloaterClosed(LLFloater* floater);
@@ -571,6 +582,7 @@ private:
 	S32				mMinimizePositionVOffset;
 	typedef std::vector<std::pair<LLHandle<LLFloater>, boost::signals2::connection> > hidden_floaters_t;
 	hidden_floaters_t mHiddenFloaters;
+	LLFloater *		mFrontChild;
 };
 
 //
diff --git a/indra/llui/llfloaterreg.cpp b/indra/llui/llfloaterreg.cpp
index 306caf2b91..b1b75776a7 100644..100755
--- a/indra/llui/llfloaterreg.cpp
+++ b/indra/llui/llfloaterreg.cpp
@@ -264,17 +264,9 @@ bool LLFloaterReg::hideInstance(const std::string& name, const LLSD& key)
 	LLFloater* instance = findInstance(name, key); 
 	if (instance)
 	{
-		// When toggling *visibility*, close the host instead of the floater when hosted
-		if (instance->getHost())
-			instance->getHost()->closeFloater();
-		else
-			instance->closeFloater();
-		return true;
-	}
-	else
-	{
-		return false;
+		instance->closeHostedFloater();
 	}
+	return (instance != NULL);
 }
 
 //static
@@ -284,11 +276,7 @@ bool LLFloaterReg::toggleInstance(const std::string& name, const LLSD& key)
 	LLFloater* instance = findInstance(name, key); 
 	if (LLFloater::isShown(instance))
 	{
-		// When toggling *visibility*, close the host instead of the floater when hosted
-		if (instance->getHost())
-			instance->getHost()->closeFloater();
-		else
-			instance->closeFloater();
+		instance->closeHostedFloater();
 		return false;
 	}
 	else
@@ -368,8 +356,8 @@ std::string LLFloaterReg::declareRectControl(const std::string& name)
 {
 	std::string controlname = getRectControlName(name);
 	LLFloater::getControlGroup()->declareRect(controlname, LLRect(),
-												 llformat("Window Size for %s", name.c_str()),
-												 TRUE);
+											  llformat("Window Size for %s", name.c_str()),
+											  LLControlVariable::PERSIST_NONDFT);
 	return controlname;
 }
 
@@ -379,7 +367,7 @@ std::string LLFloaterReg::declarePosXControl(const std::string& name)
 	LLFloater::getControlGroup()->declareF32(controlname, 
 											10.f,
 											llformat("Window X Position for %s", name.c_str()),
-											TRUE);
+											LLControlVariable::PERSIST_NONDFT);
 	return controlname;
 }
 
@@ -389,7 +377,7 @@ std::string LLFloaterReg::declarePosYControl(const std::string& name)
 	LLFloater::getControlGroup()->declareF32(controlname,
 											10.f,
 											llformat("Window Y Position for %s", name.c_str()),
-											TRUE);
+											LLControlVariable::PERSIST_NONDFT);
 
 	return controlname;
 }
@@ -416,7 +404,7 @@ std::string LLFloaterReg::declareVisibilityControl(const std::string& name)
 	std::string controlname = getVisibilityControlName(name);
 	LLFloater::getControlGroup()->declareBOOL(controlname, FALSE,
 												 llformat("Window Visibility for %s", name.c_str()),
-												 TRUE);
+												 LLControlVariable::PERSIST_NONDFT);
 	return controlname;
 }
 
@@ -426,7 +414,7 @@ std::string LLFloaterReg::declareDockStateControl(const std::string& name)
 	std::string controlname = getDockStateControlName(name);
 	LLFloater::getControlGroup()->declareBOOL(controlname, TRUE,
 												 llformat("Window Docking state for %s", name.c_str()),
-												 TRUE);
+												 LLControlVariable::PERSIST_NONDFT);
 	return controlname;
 
 }
@@ -481,31 +469,58 @@ void LLFloaterReg::toggleInstanceOrBringToFront(const LLSD& sdname, const LLSD&
 	//       * Also, if it is not on top, bring it forward when focus is given.
 	// * Else the target floater is open, close it.
 	// 
-
 	std::string name = sdname.asString();
 	LLFloater* instance = getInstance(name, key); 
+	
 
 	if (!instance)
 	{
 		lldebugs << "Unable to get instance of floater '" << name << "'" << llendl;
+		return;
 	}
-	else if (instance->isMinimized())
+	
+	// If hosted, we need to take that into account
+	LLFloater* host = instance->getHost();
+	
+	if (host)
 	{
-		instance->setMinimized(FALSE);
-		instance->setVisibleAndFrontmost();
-	}
-	else if (!instance->isShown())
-	{
-		instance->openFloater(key);
-		instance->setVisibleAndFrontmost();
-	}
-	else if (!instance->isFrontmost())
-	{
-		instance->setVisibleAndFrontmost();
+		if (host->isMinimized() || !host->isShown() || !host->isFrontmost())
+		{
+			host->setMinimized(FALSE);
+			instance->openFloater(key);
+			instance->setVisibleAndFrontmost(true, key);
+		}
+		else if (!instance->getVisible())
+		{
+			instance->openFloater(key);
+			instance->setVisibleAndFrontmost(true, key);
+			instance->setFocus(TRUE);
+		}
+		else
+		{
+			instance->closeHostedFloater();
+		}
 	}
 	else
 	{
-		instance->closeFloater();
+		if (instance->isMinimized())
+		{
+			instance->setMinimized(FALSE);
+			instance->setVisibleAndFrontmost(true, key);
+		}
+		else if (!instance->isShown())
+		{
+			instance->openFloater(key);
+			instance->setVisibleAndFrontmost(true, key);
+		}
+		else if (!instance->isFrontmost())
+		{
+			instance->setVisibleAndFrontmost(true, key);
+		}
+		else
+		{
+			instance->closeHostedFloater();
+		}
 	}
 }
 
diff --git a/indra/llui/llfloaterreg.h b/indra/llui/llfloaterreg.h
index a1e1f8a988..a1e1f8a988 100644..100755
--- a/indra/llui/llfloaterreg.h
+++ b/indra/llui/llfloaterreg.h
diff --git a/indra/llui/llfloaterreglistener.cpp b/indra/llui/llfloaterreglistener.cpp
index 7525b8cab3..7525b8cab3 100644..100755
--- a/indra/llui/llfloaterreglistener.cpp
+++ b/indra/llui/llfloaterreglistener.cpp
diff --git a/indra/llui/llfloaterreglistener.h b/indra/llui/llfloaterreglistener.h
index 24311a2dfa..24311a2dfa 100644..100755
--- a/indra/llui/llfloaterreglistener.h
+++ b/indra/llui/llfloaterreglistener.h
diff --git a/indra/llui/llflyoutbutton.cpp b/indra/llui/llflyoutbutton.cpp
index 4b3a0a5d21..4b3a0a5d21 100644..100755
--- a/indra/llui/llflyoutbutton.cpp
+++ b/indra/llui/llflyoutbutton.cpp
diff --git a/indra/llui/llflyoutbutton.h b/indra/llui/llflyoutbutton.h
index 36998eba2e..36998eba2e 100644..100755
--- a/indra/llui/llflyoutbutton.h
+++ b/indra/llui/llflyoutbutton.h
diff --git a/indra/llui/llfocusmgr.cpp b/indra/llui/llfocusmgr.cpp
index 724d190307..724d190307 100644..100755
--- a/indra/llui/llfocusmgr.cpp
+++ b/indra/llui/llfocusmgr.cpp
diff --git a/indra/llui/llfocusmgr.h b/indra/llui/llfocusmgr.h
index 25ae1d2579..25ae1d2579 100644..100755
--- a/indra/llui/llfocusmgr.h
+++ b/indra/llui/llfocusmgr.h
diff --git a/indra/llui/llfolderview.cpp b/indra/llui/llfolderview.cpp
new file mode 100755
index 0000000000..cf449217f5
--- /dev/null
+++ b/indra/llui/llfolderview.cpp
@@ -0,0 +1,1954 @@
+/** 
+ * @file llfolderview.cpp
+ * @brief Implementation of the folder view collection of classes.
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#include "linden_common.h"
+
+#include "llfolderview.h"
+#include "llfolderviewmodel.h"
+#include "llclipboard.h" // *TODO: remove this once hack below gone.
+#include "llkeyboard.h"
+#include "lllineeditor.h"
+#include "llmenugl.h"
+#include "llpanel.h"
+#include "llscrollcontainer.h" // hack to allow scrolling
+#include "lltextbox.h"
+#include "lltrans.h"
+#include "llui.h"
+#include "lluictrlfactory.h"
+
+// Linden library includes
+#include "lldbstrings.h"
+#include "llfocusmgr.h"
+#include "llfontgl.h"
+#include "llgl.h" 
+#include "llrender.h"
+
+// Third-party library includes
+#include <algorithm>
+
+///----------------------------------------------------------------------------
+/// Local function declarations, constants, enums, and typedefs
+///----------------------------------------------------------------------------
+
+const S32 RENAME_WIDTH_PAD = 4;
+const S32 RENAME_HEIGHT_PAD = 1;
+const S32 AUTO_OPEN_STACK_DEPTH = 16;
+
+const S32 MINIMUM_RENAMER_WIDTH = 80;
+
+// *TODO: move in params in xml if necessary. Requires modification of LLFolderView & LLInventoryPanel Params.
+const S32 STATUS_TEXT_HPAD = 6;
+const S32 STATUS_TEXT_VPAD = 8;
+
+enum {
+	SIGNAL_NO_KEYBOARD_FOCUS = 1,
+	SIGNAL_KEYBOARD_FOCUS = 2
+};
+
+F32 LLFolderView::sAutoOpenTime = 1.f;
+
+//---------------------------------------------------------------------------
+
+// Tells all folders in a folderview to close themselves
+// For efficiency, calls setOpenArrangeRecursively().
+// The calling function must then call:
+//	LLFolderView* root = getRoot();
+//	if( root )
+//	{
+//		root->arrange( NULL, NULL );
+//		root->scrollToShowSelection();
+//	}
+// to patch things up.
+class LLCloseAllFoldersFunctor : public LLFolderViewFunctor
+{
+public:
+	LLCloseAllFoldersFunctor(BOOL close) { mOpen = !close; }
+	virtual ~LLCloseAllFoldersFunctor() {}
+	virtual void doFolder(LLFolderViewFolder* folder);
+	virtual void doItem(LLFolderViewItem* item);
+
+	BOOL mOpen;
+};
+
+
+void LLCloseAllFoldersFunctor::doFolder(LLFolderViewFolder* folder)
+{
+	folder->setOpenArrangeRecursively(mOpen);
+}
+
+// Do nothing.
+void LLCloseAllFoldersFunctor::doItem(LLFolderViewItem* item)
+{ }
+
+///----------------------------------------------------------------------------
+/// Class LLFolderViewScrollContainer
+///----------------------------------------------------------------------------
+
+// virtual
+const LLRect LLFolderViewScrollContainer::getScrolledViewRect() const
+{
+	LLRect rect = LLRect::null;
+	if (mScrolledView)
+	{
+		LLFolderView* folder_view = dynamic_cast<LLFolderView*>(mScrolledView);
+		if (folder_view)
+		{
+			S32 height = folder_view->getRect().getHeight();
+
+			rect = mScrolledView->getRect();
+			rect.setLeftTopAndSize(rect.mLeft, rect.mTop, rect.getWidth(), height);
+		}
+	}
+
+	return rect;
+}
+
+LLFolderViewScrollContainer::LLFolderViewScrollContainer(const LLScrollContainer::Params& p)
+:	LLScrollContainer(p)
+{}
+
+///----------------------------------------------------------------------------
+/// Class LLFolderView
+///----------------------------------------------------------------------------
+LLFolderView::Params::Params()
+:	title("title"),
+	use_label_suffix("use_label_suffix"),
+	allow_multiselect("allow_multiselect", true),
+	show_empty_message("show_empty_message", true),
+	use_ellipses("use_ellipses", false),
+    options_menu("options_menu", "")
+{
+	folder_indentation = -4;
+}
+
+
+// Default constructor
+LLFolderView::LLFolderView(const Params& p)
+:	LLFolderViewFolder(p),
+	mScrollContainer( NULL ),
+	mPopupMenuHandle(),
+	mAllowMultiSelect(p.allow_multiselect),
+	mShowEmptyMessage(p.show_empty_message),
+	mShowFolderHierarchy(FALSE),
+	mRenameItem( NULL ),
+	mNeedsScroll( FALSE ),
+	mUseLabelSuffix(p.use_label_suffix),
+	mPinningSelectedItem(FALSE),
+	mNeedsAutoSelect( FALSE ),
+	mAutoSelectOverride(FALSE),
+	mNeedsAutoRename(FALSE),
+	mShowSelectionContext(FALSE),
+	mShowSingleSelection(FALSE),
+	mArrangeGeneration(0),
+	mSignalSelectCallback(0),
+	mMinWidth(0),
+	mDragAndDropThisFrame(FALSE),
+	mCallbackRegistrar(NULL),
+	mParentPanel(p.parent_panel),
+	mUseEllipses(p.use_ellipses),
+	mDraggingOverItem(NULL),
+	mStatusTextBox(NULL),
+	mShowItemLinkOverlays(p.show_item_link_overlays),
+	mViewModel(p.view_model)
+{
+	mViewModel->setFolderView(this);
+	mRoot = this;
+
+	LLRect rect = p.rect;
+	LLRect new_rect(rect.mLeft, rect.mBottom + getRect().getHeight(), rect.mLeft + getRect().getWidth(), rect.mBottom);
+	setRect( rect );
+	reshape(rect.getWidth(), rect.getHeight());
+	mAutoOpenItems.setDepth(AUTO_OPEN_STACK_DEPTH);
+	mAutoOpenCandidate = NULL;
+	mAutoOpenTimer.stop();
+	mKeyboardSelection = FALSE;
+	mIndentation = p.folder_indentation;
+
+	//clear label
+	// go ahead and render root folder as usual
+	// just make sure the label ("Inventory Folder") never shows up
+	mLabel = LLStringUtil::null;
+
+	// Escape is handled by reverting the rename, not commiting it (default behavior)
+	LLLineEditor::Params params;
+	params.name("ren");
+	params.rect(rect);
+	params.font(getLabelFontForStyle(LLFontGL::NORMAL));
+	params.max_length.bytes(DB_INV_ITEM_NAME_STR_LEN);
+	params.commit_callback.function(boost::bind(&LLFolderView::commitRename, this, _2));
+	params.prevalidate_callback(&LLTextValidate::validateASCIIPrintableNoPipe);
+	params.commit_on_focus_lost(true);
+	params.visible(false);
+	mRenamer = LLUICtrlFactory::create<LLLineEditor> (params);
+	addChild(mRenamer);
+
+	// Textbox
+	LLTextBox::Params text_p;
+	LLFontGL* font = getLabelFontForStyle(mLabelStyle);
+    //mIconPad, mTextPad are set in folder_view_item.xml
+	LLRect new_r = LLRect(rect.mLeft + mIconPad,
+			      rect.mTop - mTextPad,
+			      rect.mRight,
+			      rect.mTop - mTextPad - font->getLineHeight());
+	text_p.rect(new_r);
+	text_p.name(std::string(p.name));
+	text_p.font(font);
+	text_p.visible(false);
+	text_p.parse_urls(true);
+	text_p.wrap(true); // allow multiline text. See EXT-7564, EXT-7047
+	// set text padding the same as in People panel. EXT-7047, EXT-4837
+	text_p.h_pad(STATUS_TEXT_HPAD);
+	text_p.v_pad(STATUS_TEXT_VPAD);
+	mStatusTextBox = LLUICtrlFactory::create<LLTextBox> (text_p);
+	mStatusTextBox->setFollowsLeft();
+	mStatusTextBox->setFollowsTop();
+	//addChild(mStatusTextBox);
+
+
+	// make the popup menu available
+	LLMenuGL* menu = LLUICtrlFactory::getInstance()->createFromFile<LLMenuGL>(p.options_menu, LLMenuGL::sMenuContainer, LLMenuHolderGL::child_registry_t::instance());
+	if (!menu)
+	{
+		menu = LLUICtrlFactory::getDefaultWidget<LLMenuGL>("inventory_menu");
+	}
+	menu->setBackgroundColor(LLUIColorTable::instance().getColor("MenuPopupBgColor"));
+	mPopupMenuHandle = menu->getHandle();
+
+	mViewModelItem->openItem();
+}
+
+// Destroys the object
+LLFolderView::~LLFolderView( void )
+{
+	closeRenamer();
+
+	// The release focus call can potentially call the
+	// scrollcontainer, which can potentially be called with a partly
+	// destroyed scollcontainer. Just null it out here, and no worries
+	// about calling into the invalid scroll container.
+	// Same with the renamer.
+	mScrollContainer = NULL;
+	mRenameItem = NULL;
+	mRenamer = NULL;
+	mStatusTextBox = NULL;
+
+	mAutoOpenItems.removeAllNodes();
+
+	if (mPopupMenuHandle.get()) mPopupMenuHandle.get()->die();
+
+	mAutoOpenItems.removeAllNodes();
+	clearSelection();
+	mItems.clear();
+	mFolders.clear();
+
+	mViewModel = NULL;
+}
+
+BOOL LLFolderView::canFocusChildren() const
+{
+	return FALSE;
+}
+
+void LLFolderView::addFolder( LLFolderViewFolder* folder)
+{
+	LLFolderViewFolder::addFolder(folder);
+}
+
+void LLFolderView::closeAllFolders()
+{
+	// Close all the folders
+	setOpenArrangeRecursively(FALSE, LLFolderViewFolder::RECURSE_DOWN);
+	arrangeAll();
+}
+
+void LLFolderView::openTopLevelFolders()
+{
+	for (folders_t::iterator iter = mFolders.begin();
+		 iter != mFolders.end();)
+	{
+		folders_t::iterator fit = iter++;
+		(*fit)->setOpen(TRUE);
+	}
+}
+
+// This view grows and shrinks to enclose all of its children items and folders.
+// *width should be 0
+// conform show folder state works
+S32 LLFolderView::arrange( S32* unused_width, S32* unused_height )
+	{
+	mMinWidth = 0;
+	S32 target_height;
+
+	LLFolderViewFolder::arrange(&mMinWidth, &target_height);
+
+	LLRect scroll_rect = (mScrollContainer ? mScrollContainer->getContentWindowRect() : LLRect());
+	reshape( llmax(scroll_rect.getWidth(), mMinWidth), llround(mCurHeight) );
+
+	LLRect new_scroll_rect = (mScrollContainer ? mScrollContainer->getContentWindowRect() : LLRect());
+	if (new_scroll_rect.getWidth() != scroll_rect.getWidth())
+	{
+		reshape( llmax(scroll_rect.getWidth(), mMinWidth), llround(mCurHeight) );
+	}
+
+	// move item renamer text field to item's new position
+	updateRenamerPosition();
+
+	return llround(mTargetHeight);
+}
+
+static LLFastTimer::DeclareTimer FTM_FILTER("Filter Folder View");
+
+void LLFolderView::filter( LLFolderViewFilter& filter )
+{
+    // Entry point of inventory filtering (CHUI-849)
+	LLFastTimer t2(FTM_FILTER);
+    filter.resetTime(llclamp(LLUI::sSettingGroups["config"]->getS32(mParentPanel->getVisible() ? "FilterItemsMaxTimePerFrameVisible" : "FilterItemsMaxTimePerFrameUnvisible"), 1, 100));
+
+    // Note: we filter the model, not the view
+	getViewModelItem()->filter(filter);
+}
+
+void LLFolderView::reshape(S32 width, S32 height, BOOL called_from_parent)
+{
+	LLRect scroll_rect;
+	if (mScrollContainer)
+	{
+		LLView::reshape(width, height, called_from_parent);
+		scroll_rect = mScrollContainer->getContentWindowRect();
+	}
+	width  = llmax(mMinWidth, scroll_rect.getWidth());
+	height = llmax(llround(mCurHeight), scroll_rect.getHeight());
+
+	// Restrict width within scroll container's width
+	if (mUseEllipses && mScrollContainer)
+	{
+		width = scroll_rect.getWidth();
+	}
+	LLView::reshape(width, height, called_from_parent);
+	mReshapeSignal(mSelectedItems, FALSE);
+}
+
+void LLFolderView::addToSelectionList(LLFolderViewItem* item)
+{
+	if (item->isSelected())
+	{
+		removeFromSelectionList(item);
+	}
+	if (mSelectedItems.size())
+	{
+		mSelectedItems.back()->setIsCurSelection(FALSE);
+	}
+	item->setIsCurSelection(TRUE);
+	mSelectedItems.push_back(item);
+}
+
+void LLFolderView::removeFromSelectionList(LLFolderViewItem* item)
+{
+	if (mSelectedItems.size())
+	{
+		mSelectedItems.back()->setIsCurSelection(FALSE);
+	}
+
+	selected_items_t::iterator item_iter;
+	for (item_iter = mSelectedItems.begin(); item_iter != mSelectedItems.end();)
+	{
+		if (*item_iter == item)
+		{
+			item_iter = mSelectedItems.erase(item_iter);
+		}
+		else
+		{
+			++item_iter;
+		}
+	}
+	if (mSelectedItems.size())
+	{
+		mSelectedItems.back()->setIsCurSelection(TRUE);
+	}
+}
+
+LLFolderViewItem* LLFolderView::getCurSelectedItem( void )
+{
+	if(mSelectedItems.size())
+	{
+		LLFolderViewItem* itemp = mSelectedItems.back();
+		llassert(itemp->getIsCurSelection());
+		return itemp;
+	}
+	return NULL;
+}
+
+LLFolderView::selected_items_t& LLFolderView::getSelectedItems( void )
+{
+    return mSelectedItems;
+}
+
+// Record the selected item and pass it down the hierachy.
+BOOL LLFolderView::setSelection(LLFolderViewItem* selection, BOOL openitem,
+								BOOL take_keyboard_focus)
+{
+	mSignalSelectCallback = take_keyboard_focus ? SIGNAL_KEYBOARD_FOCUS : SIGNAL_NO_KEYBOARD_FOCUS;
+
+	if( selection == this )
+	{
+		return FALSE;
+	}
+
+	if( selection && take_keyboard_focus)
+	{
+		mParentPanel->setFocus(TRUE);
+	}
+
+	// clear selection down here because change of keyboard focus can potentially
+	// affect selection
+	clearSelection();
+
+	if(selection)
+	{
+		addToSelectionList(selection);
+	}
+
+	BOOL rv = LLFolderViewFolder::setSelection(selection, openitem, take_keyboard_focus);
+	if(openitem && selection)
+	{
+		selection->getParentFolder()->requestArrange();
+	}
+
+	llassert(mSelectedItems.size() <= 1);
+
+	return rv;
+}
+
+BOOL LLFolderView::changeSelection(LLFolderViewItem* selection, BOOL selected)
+{
+	BOOL rv = FALSE;
+
+	// can't select root folder
+	if(!selection || selection == this)
+	{
+		return FALSE;
+	}
+
+	if (!mAllowMultiSelect)
+	{
+		clearSelection();
+	}
+
+	selected_items_t::iterator item_iter;
+	for (item_iter = mSelectedItems.begin(); item_iter != mSelectedItems.end(); ++item_iter)
+	{
+		if (*item_iter == selection)
+		{
+			break;
+		}
+	}
+
+	BOOL on_list = (item_iter != mSelectedItems.end());
+
+	if(selected && !on_list)
+	{
+		addToSelectionList(selection);
+	}
+	if(!selected && on_list)
+	{
+		removeFromSelectionList(selection);
+	}
+
+	rv = LLFolderViewFolder::changeSelection(selection, selected);
+
+	mSignalSelectCallback = SIGNAL_KEYBOARD_FOCUS;
+	
+	return rv;
+}
+
+static LLFastTimer::DeclareTimer FTM_SANITIZE_SELECTION("Sanitize Selection");
+void LLFolderView::sanitizeSelection()
+{
+	LLFastTimer _(FTM_SANITIZE_SELECTION);
+	// store off current item in case it is automatically deselected
+	// and we want to preserve context
+	LLFolderViewItem* original_selected_item = getCurSelectedItem();
+
+	std::vector<LLFolderViewItem*> items_to_remove;
+	selected_items_t::iterator item_iter;
+	for (item_iter = mSelectedItems.begin(); item_iter != mSelectedItems.end(); ++item_iter)
+	{
+		LLFolderViewItem* item = *item_iter;
+
+		// ensure that each ancestor is open and potentially passes filtering
+		BOOL visible = false;
+		if(item->getViewModelItem() != NULL)
+		{
+			visible = item->getViewModelItem()->potentiallyVisible(); // initialize from filter state for this item
+		}
+		// modify with parent open and filters states
+		LLFolderViewFolder* parent_folder = item->getParentFolder();
+		// Move up through parent folders and see what's visible
+				while(parent_folder)
+				{
+			visible = visible && parent_folder->isOpen() && parent_folder->getViewModelItem()->potentiallyVisible();
+					parent_folder = parent_folder->getParentFolder();
+				}
+
+		//  deselect item if any ancestor is closed or didn't pass filter requirements.
+		if (!visible)
+		{
+			items_to_remove.push_back(item);
+		}
+
+		// disallow nested selections (i.e. folder items plus one or more ancestors)
+		// could check cached mum selections count and only iterate if there are any
+		// but that may be a premature optimization.
+		selected_items_t::iterator other_item_iter;
+		for (other_item_iter = mSelectedItems.begin(); other_item_iter != mSelectedItems.end(); ++other_item_iter)
+		{
+			LLFolderViewItem* other_item = *other_item_iter;
+			for( parent_folder = other_item->getParentFolder(); parent_folder; parent_folder = parent_folder->getParentFolder())
+			{
+				if (parent_folder == item)
+				{
+					// this is a descendent of the current folder, remove from list
+					items_to_remove.push_back(other_item);
+					break;
+				}
+			}
+		}
+
+		// Don't allow invisible items (such as root folders) to be selected.
+		if (item == getRoot())
+		{
+			items_to_remove.push_back(item);
+		}
+	}
+
+	std::vector<LLFolderViewItem*>::iterator item_it;
+	for (item_it = items_to_remove.begin(); item_it != items_to_remove.end(); ++item_it )
+	{
+		changeSelection(*item_it, FALSE); // toggle selection (also removes from list)
+	}
+
+	// if nothing selected after prior constraints...
+	if (mSelectedItems.empty())
+	{
+		// ...select first available parent of original selection
+		LLFolderViewItem* new_selection = NULL;
+		if (original_selected_item)
+		{
+			for(LLFolderViewFolder* parent_folder = original_selected_item->getParentFolder();
+				parent_folder;
+				parent_folder = parent_folder->getParentFolder())
+			{
+				if (parent_folder->getViewModelItem() && parent_folder->getViewModelItem()->potentiallyVisible())
+				{
+					// give initial selection to first ancestor folder that potentially passes the filter
+					if (!new_selection)
+					{
+						new_selection = parent_folder;
+					}
+
+					// if any ancestor folder of original item is closed, move the selection up 
+					// to the highest closed
+					if (!parent_folder->isOpen())
+					{	
+						new_selection = parent_folder;
+					}
+				}
+			}
+		}
+		else
+		{
+			new_selection = NULL;
+		}
+
+		if (new_selection)
+		{
+			setSelection(new_selection, FALSE, FALSE);
+		}
+	}
+}
+
+void LLFolderView::clearSelection()
+{
+	for (selected_items_t::const_iterator item_it = mSelectedItems.begin(); 
+		 item_it != mSelectedItems.end(); 
+		 ++item_it)
+	{
+		(*item_it)->setUnselected();
+	}
+
+	mSelectedItems.clear();
+}
+
+std::set<LLFolderViewItem*> LLFolderView::getSelectionList() const
+{
+	std::set<LLFolderViewItem*> selection;
+	std::copy(mSelectedItems.begin(), mSelectedItems.end(), std::inserter(selection, selection.begin()));
+	return selection;
+}
+
+bool LLFolderView::startDrag()
+{
+	std::vector<LLFolderViewModelItem*> selected_items;
+	selected_items_t::iterator item_it;
+
+	if (!mSelectedItems.empty())
+	{
+		for (item_it = mSelectedItems.begin(); item_it != mSelectedItems.end(); ++item_it)
+		{
+			selected_items.push_back((*item_it)->getViewModelItem());
+		}
+
+		return getFolderViewModel()->startDrag(selected_items);
+	}
+	return false;
+}
+
+void LLFolderView::commitRename( const LLSD& data )
+{
+	finishRenamingItem();
+}
+
+void LLFolderView::draw()
+{
+	//LLFontGL* font = getLabelFontForStyle(mLabelStyle);
+
+	// if cursor has moved off of me during drag and drop
+	// close all auto opened folders
+	if (!mDragAndDropThisFrame)
+	{
+		closeAutoOpenedFolders();
+	}
+
+	if (mSearchTimer.getElapsedTimeF32() > LLUI::sSettingGroups["config"]->getF32("TypeAheadTimeout") || !mSearchString.size())
+	{
+		mSearchString.clear();
+	}
+
+	if (hasVisibleChildren())
+	{
+		mStatusTextBox->setVisible( FALSE );
+	}
+	else if (mShowEmptyMessage)
+	{
+		mStatusTextBox->setValue(getFolderViewModel()->getStatusText());
+		mStatusTextBox->setVisible( TRUE );
+		
+		// firstly reshape message textbox with current size. This is necessary to
+		// LLTextBox::getTextPixelHeight works properly
+		const LLRect local_rect = getLocalRect();
+		mStatusTextBox->setShape(local_rect);
+
+		// get preferable text height...
+		S32 pixel_height = mStatusTextBox->getTextPixelHeight();
+		bool height_changed = (local_rect.getHeight() < pixel_height);
+		if (height_changed)
+		{
+			// ... if it does not match current height, lets rearrange current view.
+			// This will indirectly call ::arrange and reshape of the status textbox.
+			// We should call this method to also notify parent about required rect.
+			// See EXT-7564, EXT-7047.
+			S32 height = 0;
+			S32 width = 0;
+			S32 total_height = arrange( &width, &height );
+			notifyParent(LLSD().with("action", "size_changes").with("height", total_height));
+
+			LLUI::popMatrix();
+			LLUI::pushMatrix();
+			LLUI::translate((F32)getRect().mLeft, (F32)getRect().mBottom);
+		}
+	}
+
+	// skip over LLFolderViewFolder::draw since we don't want the folder icon, label, 
+	// and arrow for the root folder
+	LLView::draw();
+
+	mDragAndDropThisFrame = FALSE;
+}
+
+void LLFolderView::finishRenamingItem( void )
+{
+	if(!mRenamer)
+	{
+		return;
+	}
+	if( mRenameItem )
+	{
+		mRenameItem->rename( mRenamer->getText() );
+	}
+
+	closeRenamer();
+
+	// List is re-sorted alphabetically, so scroll to make sure the selected item is visible.
+	scrollToShowSelection();
+}
+
+void LLFolderView::closeRenamer( void )
+{
+	if (mRenamer && mRenamer->getVisible())
+	{
+		// Triggers onRenamerLost() that actually closes the renamer.
+		LLUI::removePopup(mRenamer);
+	}
+}
+
+void LLFolderView::removeSelectedItems()
+{
+	if(getVisible() && getEnabled())
+	{
+		// just in case we're removing the renaming item.
+		mRenameItem = NULL;
+
+		// create a temporary structure which we will use to remove
+		// items, since the removal will futz with internal data
+		// structures.
+		std::vector<LLFolderViewItem*> items;
+		S32 count = mSelectedItems.size();
+		if(count == 0) return;
+		LLFolderViewItem* item = NULL;
+		selected_items_t::iterator item_it;
+		for (item_it = mSelectedItems.begin(); item_it != mSelectedItems.end(); ++item_it)
+		{
+			item = *item_it;
+			if (item && item->isRemovable())
+			{
+				items.push_back(item);
+			}
+			else
+			{
+				llinfos << "Cannot delete " << item->getName() << llendl;
+				return;
+			}
+		}
+
+		// iterate through the new container.
+		count = items.size();
+		LLUUID new_selection_id;
+		LLFolderViewItem* item_to_select = getNextUnselectedItem();
+
+		if(count == 1)
+		{
+			LLFolderViewItem* item_to_delete = items[0];
+			LLFolderViewFolder* parent = item_to_delete->getParentFolder();
+			if(parent)
+			{
+				if (item_to_delete->remove())
+				{
+					// change selection on successful delete
+					setSelection(item_to_select, item_to_select ? item_to_select->isOpen() : false, mParentPanel->hasFocus());
+				}
+			}
+			arrangeAll();
+		}
+		else if (count > 1)
+		{
+			LLDynamicArray<LLFolderViewModelItem*> listeners;
+			LLFolderViewModelItem* listener;
+
+			setSelection(item_to_select, item_to_select ? item_to_select->isOpen() : false, mParentPanel->hasFocus());
+
+			for(S32 i = 0; i < count; ++i)
+			{
+				listener = items[i]->getViewModelItem();
+				if(listener && (listeners.find(listener) == LLDynamicArray<LLFolderViewModelItem*>::FAIL))
+				{
+					listeners.put(listener);
+				}
+			}
+			listener = static_cast<LLFolderViewModelItem*>(listeners.get(0));
+			if(listener)
+			{
+				listener->removeBatch(listeners);
+			}
+		}
+		arrangeAll();
+		scrollToShowSelection();
+	}
+}
+
+void LLFolderView::autoOpenItem( LLFolderViewFolder* item )
+{
+	if ((mAutoOpenItems.check() == item) || 
+		(mAutoOpenItems.getDepth() >= (U32)AUTO_OPEN_STACK_DEPTH) ||
+		item->isOpen())
+	{
+		return;
+	}
+
+	// close auto-opened folders
+	LLFolderViewFolder* close_item = mAutoOpenItems.check();
+	while (close_item && close_item != item->getParentFolder())
+	{
+		mAutoOpenItems.pop();
+		close_item->setOpenArrangeRecursively(FALSE);
+		close_item = mAutoOpenItems.check();
+	}
+
+	item->requestArrange();
+
+	mAutoOpenItems.push(item);
+	
+	item->setOpen(TRUE);
+	LLRect content_rect = (mScrollContainer ? mScrollContainer->getContentWindowRect() : LLRect());
+	LLRect constraint_rect(0,content_rect.getHeight(), content_rect.getWidth(), 0);
+	scrollToShowItem(item, constraint_rect);
+}
+
+void LLFolderView::closeAutoOpenedFolders()
+{
+	while (mAutoOpenItems.check())
+	{
+		LLFolderViewFolder* close_item = mAutoOpenItems.pop();
+		close_item->setOpen(FALSE);
+	}
+
+	if (mAutoOpenCandidate)
+	{
+		mAutoOpenCandidate->setAutoOpenCountdown(0.f);
+	}
+	mAutoOpenCandidate = NULL;
+	mAutoOpenTimer.stop();
+}
+
+BOOL LLFolderView::autoOpenTest(LLFolderViewFolder* folder)
+{
+	if (folder && mAutoOpenCandidate == folder)
+	{
+		if (mAutoOpenTimer.getStarted())
+		{
+			if (!mAutoOpenCandidate->isOpen())
+			{
+				mAutoOpenCandidate->setAutoOpenCountdown(clamp_rescale(mAutoOpenTimer.getElapsedTimeF32(), 0.f, sAutoOpenTime, 0.f, 1.f));
+			}
+			if (mAutoOpenTimer.getElapsedTimeF32() > sAutoOpenTime)
+			{
+				autoOpenItem(folder);
+				mAutoOpenTimer.stop();
+				return TRUE;
+			}
+		}
+		return FALSE;
+	}
+
+	// otherwise new candidate, restart timer
+	if (mAutoOpenCandidate)
+	{
+		mAutoOpenCandidate->setAutoOpenCountdown(0.f);
+	}
+	mAutoOpenCandidate = folder;
+	mAutoOpenTimer.start();
+	return FALSE;
+}
+
+BOOL LLFolderView::canCopy() const
+{
+	if (!(getVisible() && getEnabled() && (mSelectedItems.size() > 0)))
+	{
+		return FALSE;
+	}
+	
+	for (selected_items_t::const_iterator selected_it = mSelectedItems.begin(); selected_it != mSelectedItems.end(); ++selected_it)
+	{
+		const LLFolderViewItem* item = *selected_it;
+		if (!item->getViewModelItem()->isItemCopyable())
+		{
+			return FALSE;
+		}
+	}
+	return TRUE;
+}
+
+// copy selected item
+void LLFolderView::copy()
+{
+	// *NOTE: total hack to clear the inventory clipboard
+	LLClipboard::instance().reset();
+	S32 count = mSelectedItems.size();
+	if(getVisible() && getEnabled() && (count > 0))
+	{
+		LLFolderViewModelItem* listener = NULL;
+		selected_items_t::iterator item_it;
+		for (item_it = mSelectedItems.begin(); item_it != mSelectedItems.end(); ++item_it)
+		{
+			listener = (*item_it)->getViewModelItem();
+			if(listener)
+			{
+				listener->copyToClipboard();
+			}
+		}
+	}
+	mSearchString.clear();
+}
+
+BOOL LLFolderView::canCut() const
+{
+	if (!(getVisible() && getEnabled() && (mSelectedItems.size() > 0)))
+	{
+		return FALSE;
+	}
+	
+	for (selected_items_t::const_iterator selected_it = mSelectedItems.begin(); selected_it != mSelectedItems.end(); ++selected_it)
+	{
+		const LLFolderViewItem* item = *selected_it;
+		const LLFolderViewModelItem* listener = item->getViewModelItem();
+
+		if (!listener || !listener->isItemRemovable())
+		{
+			return FALSE;
+		}
+	}
+	return TRUE;
+}
+
+void LLFolderView::cut()
+{
+	// clear the inventory clipboard
+	LLClipboard::instance().reset();
+	if(getVisible() && getEnabled() && (mSelectedItems.size() > 0))
+	{
+		// Find out which item will be selected once the selection will be cut
+		LLFolderViewItem* item_to_select = getNextUnselectedItem();
+		
+		// Get the selection: removeItem() modified mSelectedItems and makes iterating on it unwise
+		std::set<LLFolderViewItem*> inventory_selected = getSelectionList();
+
+		// Move each item to the clipboard and out of their folder
+		for (std::set<LLFolderViewItem*>::iterator item_it = inventory_selected.begin(); item_it != inventory_selected.end(); ++item_it)
+		{
+			LLFolderViewItem* item_to_cut = *item_it;
+			LLFolderViewModelItem* listener = item_to_cut->getViewModelItem();
+			if (listener)
+			{
+				listener->cutToClipboard();
+				listener->removeItem();
+			}
+		}
+		
+		// Update the selection
+		setSelection(item_to_select, item_to_select ? item_to_select->isOpen() : false, mParentPanel->hasFocus());
+	}
+	mSearchString.clear();
+}
+
+BOOL LLFolderView::canPaste() const
+{
+	if (mSelectedItems.empty())
+	{
+		return FALSE;
+	}
+
+	if(getVisible() && getEnabled())
+	{
+		for (selected_items_t::const_iterator item_it = mSelectedItems.begin();
+			 item_it != mSelectedItems.end(); ++item_it)
+		{
+			// *TODO: only check folders and parent folders of items
+			const LLFolderViewItem* item = (*item_it);
+			const LLFolderViewModelItem* listener = item->getViewModelItem();
+			if(!listener || !listener->isClipboardPasteable())
+			{
+				const LLFolderViewFolder* folderp = item->getParentFolder();
+				listener = folderp->getViewModelItem();
+				if (!listener || !listener->isClipboardPasteable())
+				{
+					return FALSE;
+				}
+			}
+		}
+		return TRUE;
+	}
+	return FALSE;
+}
+
+// paste selected item
+void LLFolderView::paste()
+{
+	if(getVisible() && getEnabled())
+	{
+		// find set of unique folders to paste into
+		std::set<LLFolderViewFolder*> folder_set;
+
+		selected_items_t::iterator selected_it;
+		for (selected_it = mSelectedItems.begin(); selected_it != mSelectedItems.end(); ++selected_it)
+		{
+			LLFolderViewItem* item = *selected_it;
+			LLFolderViewFolder* folder = dynamic_cast<LLFolderViewFolder*>(item);
+			if (folder == NULL)
+			{
+				folder = item->getParentFolder();
+			}
+			folder_set.insert(folder);
+		}
+
+		std::set<LLFolderViewFolder*>::iterator set_iter;
+		for(set_iter = folder_set.begin(); set_iter != folder_set.end(); ++set_iter)
+		{
+			LLFolderViewModelItem* listener = (*set_iter)->getViewModelItem();
+			if(listener && listener->isClipboardPasteable())
+			{
+				listener->pasteFromClipboard();
+			}
+		}
+	}
+	mSearchString.clear();
+}
+
+// public rename functionality - can only start the process
+void LLFolderView::startRenamingSelectedItem( void )
+{
+	// make sure selection is visible
+	scrollToShowSelection();
+
+	S32 count = mSelectedItems.size();
+	LLFolderViewItem* item = NULL;
+	if(count > 0)
+	{
+		item = mSelectedItems.front();
+	}
+	if(getVisible() && getEnabled() && (count == 1) && item && item->getViewModelItem() &&
+	   item->getViewModelItem()->isItemRenameable())
+	{
+		mRenameItem = item;
+
+		updateRenamerPosition();
+
+
+		mRenamer->setText(item->getName());
+		mRenamer->selectAll();
+		mRenamer->setVisible( TRUE );
+		// set focus will fail unless item is visible
+		mRenamer->setFocus( TRUE );
+		mRenamer->setTopLostCallback(boost::bind(&LLFolderView::onRenamerLost, this));
+		LLUI::addPopup(mRenamer);
+	}
+}
+
+BOOL LLFolderView::handleKeyHere( KEY key, MASK mask )
+{
+	BOOL handled = FALSE;
+
+	// SL-51858: Key presses are not being passed to the Popup menu.
+	// A proper fix is non-trivial so instead just close the menu.
+	LLMenuGL* menu = (LLMenuGL*)mPopupMenuHandle.get();
+	if (menu && menu->isOpen())
+	{
+		LLMenuGL::sMenuContainer->hideMenus();
+	}
+
+	switch( key )
+	{
+	case KEY_F2:
+		mSearchString.clear();
+		startRenamingSelectedItem();
+		handled = TRUE;
+		break;
+
+	case KEY_RETURN:
+		if (mask == MASK_NONE)
+		{
+			if( mRenameItem && mRenamer->getVisible() )
+			{
+				finishRenamingItem();
+				mSearchString.clear();
+				handled = TRUE;
+			}
+		}
+		break;
+
+	case KEY_ESCAPE:
+		if( mRenameItem && mRenamer->getVisible() )
+		{
+			closeRenamer();
+			handled = TRUE;
+		}
+		mSearchString.clear();
+		break;
+
+	case KEY_PAGE_UP:
+		mSearchString.clear();
+		if (mScrollContainer)
+		{
+		mScrollContainer->pageUp(30);
+		}
+		handled = TRUE;
+		break;
+
+	case KEY_PAGE_DOWN:
+		mSearchString.clear();
+		if (mScrollContainer)
+		{
+		mScrollContainer->pageDown(30);
+		}
+		handled = TRUE;
+		break;
+
+	case KEY_HOME:
+		mSearchString.clear();
+		if (mScrollContainer)
+		{
+		mScrollContainer->goToTop();
+		}
+		handled = TRUE;
+		break;
+
+	case KEY_END:
+		mSearchString.clear();
+		if (mScrollContainer)
+		{
+		mScrollContainer->goToBottom();
+		}
+		break;
+
+	case KEY_DOWN:
+		if((mSelectedItems.size() > 0) && mScrollContainer)
+		{
+			LLFolderViewItem* last_selected = getCurSelectedItem();
+
+			if (!mKeyboardSelection)
+			{
+				setSelection(last_selected, FALSE, TRUE);
+				mKeyboardSelection = TRUE;
+			}
+
+			LLFolderViewItem* next = NULL;
+			if (mask & MASK_SHIFT)
+			{
+				// don't shift select down to children of folders (they are implicitly selected through parent)
+				next = last_selected->getNextOpenNode(FALSE);
+				if (next)
+				{
+					if (next->isSelected())
+					{
+						// shrink selection
+						changeSelection(last_selected, FALSE);
+					}
+					else if (last_selected->getParentFolder() == next->getParentFolder())
+					{
+						// grow selection
+						changeSelection(next, TRUE);
+					}
+				}
+			}
+			else
+			{
+				next = last_selected->getNextOpenNode();
+				if( next )
+				{
+					if (next == last_selected)
+					{
+						//special case for LLAccordionCtrl
+						if(notifyParent(LLSD().with("action","select_next")) > 0 )//message was processed
+						{
+							clearSelection();
+							return TRUE;
+						}
+						return FALSE;
+					}
+					setSelection( next, FALSE, TRUE );
+				}
+				else
+				{
+					//special case for LLAccordionCtrl
+					if(notifyParent(LLSD().with("action","select_next")) > 0 )//message was processed
+					{
+						clearSelection();
+						return TRUE;
+					}
+					return FALSE;
+				}
+			}
+			scrollToShowSelection();
+			mSearchString.clear();
+			handled = TRUE;
+		}
+		break;
+
+	case KEY_UP:
+		if((mSelectedItems.size() > 0) && mScrollContainer)
+		{
+			LLFolderViewItem* last_selected = mSelectedItems.back();
+
+			if (!mKeyboardSelection)
+			{
+				setSelection(last_selected, FALSE, TRUE);
+				mKeyboardSelection = TRUE;
+			}
+
+			LLFolderViewItem* prev = NULL;
+			if (mask & MASK_SHIFT)
+			{
+				// don't shift select down to children of folders (they are implicitly selected through parent)
+				prev = last_selected->getPreviousOpenNode(FALSE);
+				if (prev)
+				{
+					if (prev->isSelected())
+					{
+						// shrink selection
+						changeSelection(last_selected, FALSE);
+					}
+					else if (last_selected->getParentFolder() == prev->getParentFolder())
+					{
+						// grow selection
+						changeSelection(prev, TRUE);
+					}
+				}
+			}
+			else
+			{
+				prev = last_selected->getPreviousOpenNode();
+				if( prev )
+				{
+					if (prev == this)
+					{
+						// If case we are in accordion tab notify parent to go to the previous accordion
+						if(notifyParent(LLSD().with("action","select_prev")) > 0 )//message was processed
+						{
+							clearSelection();
+							return TRUE;
+						}
+
+						return FALSE;
+					}
+					setSelection( prev, FALSE, TRUE );
+				}
+			}
+			scrollToShowSelection();
+			mSearchString.clear();
+
+			handled = TRUE;
+		}
+		break;
+
+	case KEY_RIGHT:
+		if(mSelectedItems.size())
+		{
+			LLFolderViewItem* last_selected = getCurSelectedItem();
+			last_selected->setOpen( TRUE );
+			mSearchString.clear();
+			handled = TRUE;
+		}
+		break;
+
+	case KEY_LEFT:
+		if(mSelectedItems.size())
+		{
+			LLFolderViewItem* last_selected = getCurSelectedItem();
+			LLFolderViewItem* parent_folder = last_selected->getParentFolder();
+			if (!last_selected->isOpen() && parent_folder && parent_folder->getParentFolder())
+			{
+				setSelection(parent_folder, FALSE, TRUE);
+			}
+			else
+			{
+				last_selected->setOpen( FALSE );
+			}
+			mSearchString.clear();
+			scrollToShowSelection();
+			handled = TRUE;
+		}
+		break;
+	}
+
+	return handled;
+}
+
+
+BOOL LLFolderView::handleUnicodeCharHere(llwchar uni_char)
+{
+	if ((uni_char < 0x20) || (uni_char == 0x7F)) // Control character or DEL
+	{
+		return FALSE;
+	}
+
+	if (uni_char > 0x7f)
+	{
+		llwarns << "LLFolderView::handleUnicodeCharHere - Don't handle non-ascii yet, aborting" << llendl;
+		return FALSE;
+	}
+
+	BOOL handled = FALSE;
+	if (mParentPanel->hasFocus())
+	{
+		// SL-51858: Key presses are not being passed to the Popup menu.
+		// A proper fix is non-trivial so instead just close the menu.
+		LLMenuGL* menu = (LLMenuGL*)mPopupMenuHandle.get();
+		if (menu && menu->isOpen())
+		{
+			LLMenuGL::sMenuContainer->hideMenus();
+		}
+
+		//do text search
+		if (mSearchTimer.getElapsedTimeF32() > LLUI::sSettingGroups["config"]->getF32("TypeAheadTimeout"))
+		{
+			mSearchString.clear();
+		}
+		mSearchTimer.reset();
+		if (mSearchString.size() < 128)
+		{
+			mSearchString += uni_char;
+		}
+		search(getCurSelectedItem(), mSearchString, FALSE);
+
+		handled = TRUE;
+	}
+
+	return handled;
+}
+
+
+BOOL LLFolderView::handleMouseDown( S32 x, S32 y, MASK mask )
+{
+	mKeyboardSelection = FALSE;
+	mSearchString.clear();
+
+	mParentPanel->setFocus(TRUE);
+
+	LLEditMenuHandler::gEditMenuHandler = this;
+
+	return LLView::handleMouseDown( x, y, mask );
+}
+
+BOOL LLFolderView::search(LLFolderViewItem* first_item, const std::string &search_string, BOOL backward)
+{
+	// get first selected item
+	LLFolderViewItem* search_item = first_item;
+
+	// make sure search string is upper case
+	std::string upper_case_string = search_string;
+	LLStringUtil::toUpper(upper_case_string);
+
+	// if nothing selected, select first item in folder
+	if (!search_item)
+	{
+		// start from first item
+		search_item = getNextFromChild(NULL);
+	}
+
+	// search over all open nodes for first substring match (with wrapping)
+	BOOL found = FALSE;
+	LLFolderViewItem* original_search_item = search_item;
+	do
+	{
+		// wrap at end
+		if (!search_item)
+		{
+			if (backward)
+			{
+				search_item = getPreviousFromChild(NULL);
+			}
+			else
+			{
+				search_item = getNextFromChild(NULL);
+			}
+			if (!search_item || search_item == original_search_item)
+			{
+				break;
+			}
+		}
+
+		const std::string current_item_label(search_item->getViewModelItem()->getSearchableName());
+		S32 search_string_length = llmin(upper_case_string.size(), current_item_label.size());
+		if (!current_item_label.compare(0, search_string_length, upper_case_string))
+		{
+			found = TRUE;
+			break;
+		}
+		if (backward)
+		{
+			search_item = search_item->getPreviousOpenNode();
+		}
+		else
+		{
+			search_item = search_item->getNextOpenNode();
+		}
+
+	} while(search_item != original_search_item);
+	
+
+	if (found)
+	{
+		setSelection(search_item, FALSE, TRUE);
+		scrollToShowSelection();
+	}
+
+	return found;
+}
+
+BOOL LLFolderView::handleDoubleClick( S32 x, S32 y, MASK mask )
+{
+	// skip LLFolderViewFolder::handleDoubleClick()
+	return LLView::handleDoubleClick( x, y, mask );
+}
+
+BOOL LLFolderView::handleRightMouseDown( S32 x, S32 y, MASK mask )
+{
+	// all user operations move keyboard focus to inventory
+	// this way, we know when to stop auto-updating a search
+	mParentPanel->setFocus(TRUE);
+
+	BOOL handled = childrenHandleRightMouseDown(x, y, mask) != NULL;
+	S32 count = mSelectedItems.size();
+	LLMenuGL* menu = (LLMenuGL*)mPopupMenuHandle.get();
+	if (   handled
+		&& ( count > 0 && (hasVisibleChildren()) ) // show menu only if selected items are visible
+		&& menu )
+	{
+		if (mCallbackRegistrar)
+        {
+			mCallbackRegistrar->pushScope();
+        }
+
+		updateMenuOptions(menu);
+	   
+		menu->updateParent(LLMenuGL::sMenuContainer);
+		LLMenuGL::showPopup(this, menu, x, y);
+		if (mCallbackRegistrar)
+        {
+			mCallbackRegistrar->popScope();
+	}
+	}
+	else
+	{
+		if (menu && menu->getVisible())
+		{
+			menu->setVisible(FALSE);
+		}
+		setSelection(NULL, FALSE, TRUE);
+	}
+	return handled;
+}
+
+// Add "--no options--" if the menu is completely blank.
+BOOL LLFolderView::addNoOptions(LLMenuGL* menu) const
+{
+	const std::string nooptions_str = "--no options--";
+	LLView *nooptions_item = NULL;
+	
+	const LLView::child_list_t *list = menu->getChildList();
+	for (LLView::child_list_t::const_iterator itor = list->begin(); 
+		 itor != list->end(); 
+		 ++itor)
+	{
+		LLView *menu_item = (*itor);
+		if (menu_item->getVisible())
+		{
+			return FALSE;
+		}
+		std::string name = menu_item->getName();
+		if (menu_item->getName() == nooptions_str)
+		{
+			nooptions_item = menu_item;
+		}
+	}
+	if (nooptions_item)
+	{
+		nooptions_item->setVisible(TRUE);
+		nooptions_item->setEnabled(FALSE);
+		return TRUE;
+	}
+	return FALSE;
+}
+
+BOOL LLFolderView::handleHover( S32 x, S32 y, MASK mask )
+{
+	return LLView::handleHover( x, y, mask );
+}
+
+BOOL LLFolderView::handleDragAndDrop(S32 x, S32 y, MASK mask, BOOL drop,
+									 EDragAndDropType cargo_type,
+									 void* cargo_data, 
+									 EAcceptance* accept,
+									 std::string& tooltip_msg)
+{
+	mDragAndDropThisFrame = TRUE;
+	// have children handle it first
+	BOOL handled = LLView::handleDragAndDrop(x, y, mask, drop, cargo_type, cargo_data,
+											 accept, tooltip_msg);
+
+	// when drop is not handled by child, it should be handled
+	// by the folder which is the hierarchy root.
+	if (!handled)
+	{
+			handled = LLFolderViewFolder::handleDragAndDrop(x, y, mask, drop, cargo_type, cargo_data, accept, tooltip_msg);
+		}
+
+	return handled;
+}
+
+void LLFolderView::deleteAllChildren()
+{
+	closeRenamer();
+	if (mPopupMenuHandle.get()) mPopupMenuHandle.get()->die();
+	mPopupMenuHandle = LLHandle<LLView>();
+	mScrollContainer = NULL;
+	mRenameItem = NULL;
+	mRenamer = NULL;
+	mStatusTextBox = NULL;
+	
+	clearSelection();
+	LLView::deleteAllChildren();
+}
+
+void LLFolderView::scrollToShowSelection()
+{
+	if ( mSelectedItems.size() )
+	{
+		mNeedsScroll = TRUE;
+	}
+}
+
+// If the parent is scroll container, scroll it to make the selection
+// is maximally visible.
+void LLFolderView::scrollToShowItem(LLFolderViewItem* item, const LLRect& constraint_rect)
+{
+	if (!mScrollContainer) return;
+
+	// don't scroll to items when mouse is being used to scroll/drag and drop
+	if (gFocusMgr.childHasMouseCapture(mScrollContainer))
+	{
+		mNeedsScroll = FALSE;
+		return;
+	}
+
+	// if item exists and is in visible portion of parent folder...
+	if(item)
+	{
+		LLRect local_rect = item->getLocalRect();
+		S32 icon_height = mIcon.isNull() ? 0 : mIcon->getHeight(); 
+		S32 label_height = getLabelFontForStyle(mLabelStyle)->getLineHeight(); 
+		// when navigating with keyboard, only move top of opened folder on screen, otherwise show whole folder
+		S32 max_height_to_show = item->isOpen() && mScrollContainer->hasFocus() ? (llmax( icon_height, label_height ) + item->getIconPad()) : local_rect.getHeight();
+		
+		// get portion of item that we want to see...
+		LLRect item_local_rect = LLRect(item->getIndentation(), 
+										local_rect.getHeight(), 
+                                        //+40 is supposed to include few first characters
+										llmin(item->getLabelXPos() - item->getIndentation() + 40, local_rect.getWidth()), 
+										llmax(0, local_rect.getHeight() - max_height_to_show));
+
+		LLRect item_doc_rect;
+
+		item->localRectToOtherView(item_local_rect, &item_doc_rect, this); 
+
+		mScrollContainer->scrollToShowRect( item_doc_rect, constraint_rect );
+
+	}
+}
+
+LLRect LLFolderView::getVisibleRect()
+{
+	S32 visible_height = (mScrollContainer ? mScrollContainer->getRect().getHeight() : 0);
+	S32 visible_width  = (mScrollContainer ? mScrollContainer->getRect().getWidth()  : 0);
+	LLRect visible_rect;
+	visible_rect.setLeftTopAndSize(-getRect().mLeft, visible_height - getRect().mBottom, visible_width, visible_height);
+	return visible_rect;
+}
+
+BOOL LLFolderView::getShowSelectionContext()
+{
+	if (mShowSelectionContext)
+	{
+		return TRUE;
+	}
+	LLMenuGL* menu = (LLMenuGL*)mPopupMenuHandle.get();
+	if (menu && menu->getVisible())
+	{
+		return TRUE;
+	}
+	return FALSE;
+}
+
+void LLFolderView::setShowSingleSelection(BOOL show)
+{
+	if (show != mShowSingleSelection)
+	{
+		mMultiSelectionFadeTimer.reset();
+		mShowSingleSelection = show;
+	}
+}
+
+static LLFastTimer::DeclareTimer FTM_AUTO_SELECT("Open and Select");
+static LLFastTimer::DeclareTimer FTM_INVENTORY("Inventory");
+
+// Main idle routine
+void LLFolderView::update()
+{
+	// If this is associated with the user's inventory, don't do anything
+	// until that inventory is loaded up.
+	LLFastTimer t2(FTM_INVENTORY);
+
+	if (getFolderViewModel()->getFilter().isModified() && getFolderViewModel()->getFilter().isNotDefault())
+	{
+		mNeedsAutoSelect = TRUE;
+	}
+    
+	// Filter to determine visibility before arranging
+	filter(getFolderViewModel()->getFilter());
+    
+	// Clear the modified setting on the filter only if the filter finished after running the filter process
+	// Note: if the filter count has timed out, that means the filter halted before completing the entire set of items
+    if (getFolderViewModel()->getFilter().isModified() && (!getFolderViewModel()->getFilter().isTimedOut()))
+	{
+		getFolderViewModel()->getFilter().clearModified();
+	}
+    
+	// automatically show matching items, and select first one if we had a selection
+	if (mNeedsAutoSelect)
+	{
+		LLFastTimer t3(FTM_AUTO_SELECT);
+		// select new item only if a filtered item not currently selected
+		LLFolderViewItem* selected_itemp = mSelectedItems.empty() ? NULL : mSelectedItems.back();
+		if (!mAutoSelectOverride && (!selected_itemp || !selected_itemp->getViewModelItem()->potentiallyVisible()))
+		{
+			// these are named variables to get around gcc not binding non-const references to rvalues
+			// and functor application is inherently non-const to allow for stateful functors
+			LLSelectFirstFilteredItem functor;
+			applyFunctorRecursively(functor);
+		}
+
+		// Open filtered folders for folder views with mAutoSelectOverride=TRUE.
+		// Used by LLPlacesFolderView.
+		if (getFolderViewModel()->getFilter().showAllResults())
+		{
+			// these are named variables to get around gcc not binding non-const references to rvalues
+			// and functor application is inherently non-const to allow for stateful functors
+			LLOpenFilteredFolders functor;
+			applyFunctorRecursively(functor);
+		}
+
+		scrollToShowSelection();
+	}
+
+	BOOL filter_finished = getViewModelItem()->passedFilter()
+						&& mViewModel->contentsReady();
+	if (filter_finished 
+		|| gFocusMgr.childHasKeyboardFocus(mParentPanel)
+		|| gFocusMgr.childHasMouseCapture(mParentPanel))
+	{
+		// finishing the filter process, giving focus to the folder view, or dragging the scrollbar all stop the auto select process
+		mNeedsAutoSelect = FALSE;
+	}
+
+  BOOL is_visible = isInVisibleChain();
+
+  // Puts folders/items in proper positions
+  // arrange() takes the model filter flag into account and call sort() if necessary (CHUI-849)
+  // It also handles the open/close folder animation
+  if (is_visible)
+  {
+    sanitizeSelection();
+    if (needsArrange())
+    {
+      S32 height = 0;
+      S32 width = 0;
+      S32 total_height = arrange( &width, &height );
+      notifyParent(LLSD().with("action", "size_changes").with("height", total_height));
+    }
+  }
+
+	// during filtering process, try to pin selected item's location on screen
+	// this will happen when searching your inventory and when new items arrive
+	if (!filter_finished)
+	{
+		// calculate rectangle to pin item to at start of animated rearrange
+		if (!mPinningSelectedItem && !mSelectedItems.empty())
+		{
+			// lets pin it!
+			mPinningSelectedItem = TRUE;
+
+      //Computes visible area 
+			const LLRect visible_content_rect = (mScrollContainer ? mScrollContainer->getVisibleContentRect() : LLRect());
+			LLFolderViewItem* selected_item = mSelectedItems.back();
+
+      //Computes location of selected content, content outside visible area will be scrolled to using below code
+			LLRect item_rect;
+			selected_item->localRectToOtherView(selected_item->getLocalRect(), &item_rect, this);
+			
+      //Computes intersected region of the selected content and visible area
+      LLRect overlap_rect(item_rect);
+      overlap_rect.intersectWith(visible_content_rect);
+
+      //Don't scroll when the selected content exists within the visible area
+			if (overlap_rect.getHeight() >= selected_item->getItemHeight())
+			{
+				// then attempt to keep it in same place on screen
+				mScrollConstraintRect = item_rect;
+				mScrollConstraintRect.translate(-visible_content_rect.mLeft, -visible_content_rect.mBottom);
+			}
+      //Scroll because the selected content is outside the visible area
+			else
+			{
+				// otherwise we just want it onscreen somewhere
+				LLRect content_rect = (mScrollContainer ? mScrollContainer->getContentWindowRect() : LLRect());
+				mScrollConstraintRect.setOriginAndSize(0, 0, content_rect.getWidth(), content_rect.getHeight());
+			}
+		}
+	}
+	else
+	{
+		// stop pinning selected item after folders stop rearranging
+		if (!needsArrange())
+		{
+			mPinningSelectedItem = FALSE;
+		}
+	}
+
+	LLRect constraint_rect;
+	if (mPinningSelectedItem)
+	{
+		// use last known constraint rect for pinned item
+		constraint_rect = mScrollConstraintRect;
+	}
+	else
+	{
+		// during normal use (page up/page down, etc), just try to fit item on screen
+		LLRect content_rect = (mScrollContainer ? mScrollContainer->getContentWindowRect() : LLRect());
+		constraint_rect.setOriginAndSize(0, 0, content_rect.getWidth(), content_rect.getHeight());
+	}
+
+	if (mSelectedItems.size() && mNeedsScroll)
+	{
+		scrollToShowItem(mSelectedItems.back(), constraint_rect);
+		// continue scrolling until animated layout change is done
+		if (filter_finished
+			&& (!needsArrange() || !is_visible))
+		{
+			mNeedsScroll = FALSE;
+		}
+	}
+
+	if (mSignalSelectCallback)
+	{
+		//RN: we use keyboard focus as a proxy for user-explicit actions
+		BOOL take_keyboard_focus = (mSignalSelectCallback == SIGNAL_KEYBOARD_FOCUS);
+		mSelectSignal(mSelectedItems, take_keyboard_focus);
+	}
+	mSignalSelectCallback = FALSE;
+}
+
+void LLFolderView::dumpSelectionInformation()
+{
+	llinfos << "LLFolderView::dumpSelectionInformation()" << llendl;
+	llinfos << "****************************************" << llendl;
+	selected_items_t::iterator item_it;
+	for (item_it = mSelectedItems.begin(); item_it != mSelectedItems.end(); ++item_it)
+	{
+		llinfos << "  " << (*item_it)->getName() << llendl;
+	}
+	llinfos << "****************************************" << llendl;
+}
+
+void LLFolderView::updateRenamerPosition()
+{
+	if(mRenameItem)
+	{
+		// See also LLFolderViewItem::draw()
+		S32 x = mRenameItem->getLabelXPos();
+		S32 y = mRenameItem->getRect().getHeight() - mRenameItem->getItemHeight() - RENAME_HEIGHT_PAD;
+		mRenameItem->localPointToScreen( x, y, &x, &y );
+		screenPointToLocal( x, y, &x, &y );
+		mRenamer->setOrigin( x, y );
+
+		LLRect scroller_rect(0, 0, (S32)LLUI::getWindowSize().mV[VX], 0);
+		if (mScrollContainer)
+		{
+			scroller_rect = mScrollContainer->getContentWindowRect();
+		}
+
+		S32 width = llmax(llmin(mRenameItem->getRect().getWidth() - x, scroller_rect.getWidth() - x - getRect().mLeft), MINIMUM_RENAMER_WIDTH);
+		S32 height = mRenameItem->getItemHeight() - RENAME_HEIGHT_PAD;
+		mRenamer->reshape( width, height, TRUE );
+	}
+}
+
+// Update visibility and availability (i.e. enabled/disabled) of context menu items.
+void LLFolderView::updateMenuOptions(LLMenuGL* menu)
+{
+	const LLView::child_list_t *list = menu->getChildList();
+
+	LLView::child_list_t::const_iterator menu_itor;
+	for (menu_itor = list->begin(); menu_itor != list->end(); ++menu_itor)
+	{
+		(*menu_itor)->setVisible(FALSE);
+		(*menu_itor)->pushVisible(TRUE);
+		(*menu_itor)->setEnabled(TRUE);
+	}
+
+	// Successively filter out invalid options
+
+	U32 multi_select_flag = (mSelectedItems.size() > 1 ? ITEM_IN_MULTI_SELECTION : 0x0);
+	U32 flags = multi_select_flag | FIRST_SELECTED_ITEM;
+	for (selected_items_t::iterator item_itor = mSelectedItems.begin();
+			item_itor != mSelectedItems.end();
+			++item_itor)
+	{
+		LLFolderViewItem* selected_item = (*item_itor);
+		selected_item->buildContextMenu(*menu, flags);
+		flags = multi_select_flag;
+	}
+
+	addNoOptions(menu);
+}
+
+// Refresh the context menu (that is already shown).
+void LLFolderView::updateMenu()
+{
+	LLMenuGL* menu = (LLMenuGL*)mPopupMenuHandle.get();
+	if (menu && menu->getVisible())
+	{
+		updateMenuOptions(menu);
+		menu->needsArrange(); // update menu height if needed
+	}
+}
+
+bool LLFolderView::selectFirstItem()
+{
+	for (folders_t::iterator iter = mFolders.begin();
+		 iter != mFolders.end();++iter)
+	{
+		LLFolderViewFolder* folder = (*iter );
+		if (folder->getVisible())
+		{
+			LLFolderViewItem* itemp = folder->getNextFromChild(0,true);
+			if(itemp)
+				setSelection(itemp,FALSE,TRUE);
+			return true;	
+		}
+		
+	}
+	for(items_t::iterator iit = mItems.begin();
+		iit != mItems.end(); ++iit)
+	{
+		LLFolderViewItem* itemp = (*iit);
+		if (itemp->getVisible())
+		{
+			setSelection(itemp,FALSE,TRUE);
+			return true;	
+		}
+	}
+	return false;
+}
+bool LLFolderView::selectLastItem()
+{
+	for(items_t::reverse_iterator iit = mItems.rbegin();
+		iit != mItems.rend(); ++iit)
+	{
+		LLFolderViewItem* itemp = (*iit);
+		if (itemp->getVisible())
+		{
+			setSelection(itemp,FALSE,TRUE);
+			return true;	
+		}
+	}
+	for (folders_t::reverse_iterator iter = mFolders.rbegin();
+		 iter != mFolders.rend();++iter)
+	{
+		LLFolderViewFolder* folder = (*iter);
+		if (folder->getVisible())
+		{
+			LLFolderViewItem* itemp = folder->getPreviousFromChild(0,true);
+			if(itemp)
+				setSelection(itemp,FALSE,TRUE);
+			return true;	
+		}
+	}
+	return false;
+}
+
+
+S32	LLFolderView::notify(const LLSD& info) 
+{
+	if(info.has("action"))
+	{
+		std::string str_action = info["action"];
+		if(str_action == "select_first")
+		{
+			setFocus(true);
+			selectFirstItem();
+			scrollToShowSelection();
+			return 1;
+
+		}
+		else if(str_action == "select_last")
+		{
+			setFocus(true);
+			selectLastItem();
+			scrollToShowSelection();
+			return 1;
+		}
+	}
+	return 0;
+}
+
+
+///----------------------------------------------------------------------------
+/// Local function definitions
+///----------------------------------------------------------------------------
+
+void LLFolderView::onRenamerLost()
+{
+	if (mRenamer && mRenamer->getVisible())
+	{
+		mRenamer->setVisible(FALSE);
+
+		// will commit current name (which could be same as original name)
+		mRenamer->setFocus(FALSE);
+	}
+
+	if( mRenameItem )
+	{
+		setSelection( mRenameItem, TRUE );
+		mRenameItem = NULL;
+	}
+}
+
+LLFolderViewItem* LLFolderView::getNextUnselectedItem()
+{
+	LLFolderViewItem* last_item = *mSelectedItems.rbegin();
+	LLFolderViewItem* new_selection = last_item->getNextOpenNode(FALSE);
+	while(new_selection && new_selection->isSelected())
+	{
+		new_selection = new_selection->getNextOpenNode(FALSE);
+	}
+	if (!new_selection)
+	{
+		new_selection = last_item->getPreviousOpenNode(FALSE);
+		while (new_selection && (new_selection->isInSelection()))
+		{
+			new_selection = new_selection->getPreviousOpenNode(FALSE);
+		}
+	}
+	return new_selection;
+}
+
+S32 LLFolderView::getItemHeight()
+{
+	if(!hasVisibleChildren())
+{
+		//We need to display status textbox, let's reserve some place for it
+		return llmax(0, mStatusTextBox->getTextPixelHeight());
+}
+	return 0;
+}
diff --git a/indra/llui/llfolderview.h b/indra/llui/llfolderview.h
new file mode 100755
index 0000000000..11fccdace4
--- /dev/null
+++ b/indra/llui/llfolderview.h
@@ -0,0 +1,399 @@
+/** 
+ * @file llfolderview.h
+ * @brief Definition of the folder view collection of classes.
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+/**
+ *
+ * The folder view collection of classes provides an interface for
+ * making a 'folder view' similar to the way the a single pane file
+ * folder interface works.
+ *
+ */
+
+#ifndef LL_LLFOLDERVIEW_H
+#define LL_LLFOLDERVIEW_H
+
+#include "llfolderviewitem.h"	// because LLFolderView is-a LLFolderViewFolder
+
+#include "lluictrl.h"
+#include "v4color.h"
+#include "stdenums.h"
+#include "lldepthstack.h"
+#include "lleditmenuhandler.h"
+#include "llfontgl.h"
+#include "llscrollcontainer.h"
+
+class LLFolderViewModelInterface;
+class LLFolderViewFolder;
+class LLFolderViewItem;
+class LLFolderViewFilter;
+class LLPanel;
+class LLLineEditor;
+class LLMenuGL;
+class LLUICtrl;
+class LLTextBox;
+
+/**
+ * Class LLFolderViewScrollContainer
+ *
+ * A scroll container which provides the information about the height
+ * of currently displayed folder view contents.
+ * Used for updating vertical scroll bar visibility in inventory panel.
+ * See LLScrollContainer::calcVisibleSize().
+ */
+class LLFolderViewScrollContainer : public LLScrollContainer
+{
+public:
+	/*virtual*/ ~LLFolderViewScrollContainer() {};
+	/*virtual*/ const LLRect getScrolledViewRect() const;
+
+protected:
+	LLFolderViewScrollContainer(const LLScrollContainer::Params& p);
+	friend class LLUICtrlFactory;
+};
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+// Class LLFolderView
+//
+// The LLFolderView represents the root level folder view object. 
+// It manages the screen region of the folder view.
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+class LLFolderView : public LLFolderViewFolder, public LLEditMenuHandler
+{
+public:
+	struct Params : public LLInitParam::Block<Params, LLFolderViewFolder::Params>
+	{
+		Mandatory<LLPanel*>	    parent_panel;
+		Optional<std::string>   title;
+		Optional<bool>			use_label_suffix,
+								allow_multiselect,
+								show_empty_message,
+								use_ellipses,
+								show_item_link_overlays;
+		Mandatory<LLFolderViewModelInterface*>	view_model;
+        Mandatory<std::string>   options_menu;
+
+
+		Params();
+	};
+
+	friend class LLFolderViewScrollContainer;
+    typedef std::deque<LLFolderViewItem*> selected_items_t;
+
+	LLFolderView(const Params&);
+	virtual ~LLFolderView( void );
+
+	virtual BOOL canFocusChildren() const;
+
+	virtual const LLFolderView*	getRoot() const { return this; }
+	virtual LLFolderView*	getRoot() { return this; }
+
+	LLFolderViewModelInterface* getFolderViewModel() { return mViewModel; }
+	const LLFolderViewModelInterface* getFolderViewModel() const { return mViewModel; }
+
+	typedef boost::signals2::signal<void (const std::deque<LLFolderViewItem*>& items, BOOL user_action)> signal_t;
+	void setSelectCallback(const signal_t::slot_type& cb) { mSelectSignal.connect(cb); }
+	void setReshapeCallback(const signal_t::slot_type& cb) { mReshapeSignal.connect(cb); }
+	
+	bool getAllowMultiSelect() { return mAllowMultiSelect; }
+
+	// Close all folders in the view
+	void closeAllFolders();
+	void openTopLevelFolders();
+
+	virtual void addFolder( LLFolderViewFolder* folder);
+
+	// Find width and height of this object and its children. Also
+	// makes sure that this view and its children are the right size.
+	virtual S32 arrange( S32* width, S32* height );
+	virtual S32 getItemHeight();
+
+	void arrangeAll() { mArrangeGeneration++; }
+	S32 getArrangeGeneration() { return mArrangeGeneration; }
+
+	// applies filters to control visibility of items
+	virtual void filter( LLFolderViewFilter& filter);
+
+	// Get the last selected item
+	virtual LLFolderViewItem* getCurSelectedItem( void );
+    selected_items_t& getSelectedItems( void );
+
+	// Record the selected item and pass it down the hierarchy.
+	virtual BOOL setSelection(LLFolderViewItem* selection, BOOL openitem,
+		BOOL take_keyboard_focus = TRUE);
+
+	// This method is used to toggle the selection of an item. Walks
+	// children, and keeps track of selected objects.
+	virtual BOOL changeSelection(LLFolderViewItem* selection, BOOL selected);
+
+	virtual std::set<LLFolderViewItem*> getSelectionList() const;
+
+	// Make sure if ancestor is selected, descendants are not
+	void sanitizeSelection();
+	virtual void clearSelection();
+	void addToSelectionList(LLFolderViewItem* item);
+	void removeFromSelectionList(LLFolderViewItem* item);
+
+	bool startDrag();
+	void setDragAndDropThisFrame() { mDragAndDropThisFrame = TRUE; }
+	void setDraggingOverItem(LLFolderViewItem* item) { mDraggingOverItem = item; }
+	LLFolderViewItem* getDraggingOverItem() { return mDraggingOverItem; }
+
+	// Deletion functionality
+ 	void removeSelectedItems();
+
+	void autoOpenItem(LLFolderViewFolder* item);
+	void closeAutoOpenedFolders();
+	BOOL autoOpenTest(LLFolderViewFolder* item);
+	BOOL isOpen() const { return TRUE; } // root folder always open
+
+	// Copy & paste
+	virtual BOOL	canCopy() const;
+	virtual void	copy();
+
+	virtual BOOL	canCut() const;
+	virtual void	cut();
+
+	virtual BOOL	canPaste() const;
+	virtual void	paste();
+
+	LLFolderViewItem* getNextUnselectedItem();
+
+	// Public rename functionality - can only start the process
+	void startRenamingSelectedItem( void );
+
+	// LLView functionality
+	///*virtual*/ BOOL handleKey( KEY key, MASK mask, BOOL called_from_parent );
+	/*virtual*/ BOOL handleKeyHere( KEY key, MASK mask );
+	/*virtual*/ BOOL handleUnicodeCharHere(llwchar uni_char);
+	/*virtual*/ BOOL handleMouseDown( S32 x, S32 y, MASK mask );
+	/*virtual*/ BOOL handleDoubleClick( S32 x, S32 y, MASK mask );
+	/*virtual*/ BOOL handleRightMouseDown( S32 x, S32 y, MASK mask );
+	/*virtual*/ BOOL handleHover( S32 x, S32 y, MASK mask );
+	/*virtual*/ BOOL handleDragAndDrop(S32 x, S32 y, MASK mask, BOOL drop,
+								   EDragAndDropType cargo_type,
+								   void* cargo_data,
+								   EAcceptance* accept,
+								   std::string& tooltip_msg);
+	/*virtual*/ void reshape(S32 width, S32 height, BOOL called_from_parent = TRUE);
+	/*virtual*/ void onMouseLeave(S32 x, S32 y, MASK mask) { setShowSelectionContext(FALSE); }
+	virtual void draw();
+	virtual void deleteAllChildren();
+
+	void scrollToShowSelection();
+	void scrollToShowItem(LLFolderViewItem* item, const LLRect& constraint_rect);
+	void setScrollContainer( LLScrollContainer* parent ) { mScrollContainer = parent; }
+	LLRect getVisibleRect();
+
+	BOOL search(LLFolderViewItem* first_item, const std::string &search_string, BOOL backward);
+	void setShowSelectionContext(BOOL show) { mShowSelectionContext = show; }
+	BOOL getShowSelectionContext();
+	void setShowSingleSelection(BOOL show);
+	BOOL getShowSingleSelection() { return mShowSingleSelection; }
+	F32  getSelectionFadeElapsedTime() { return mMultiSelectionFadeTimer.getElapsedTimeF32(); }
+	bool getUseEllipses() { return mUseEllipses; }
+	S32 getSelectedCount() { return (S32)mSelectedItems.size(); }
+
+	void	update();						// needs to be called periodically (e.g. once per frame)
+
+	BOOL needsAutoSelect() { return mNeedsAutoSelect && !mAutoSelectOverride; }
+	BOOL needsAutoRename() { return mNeedsAutoRename; }
+	void setNeedsAutoRename(BOOL val) { mNeedsAutoRename = val; }
+	void setPinningSelectedItem(BOOL val) { mPinningSelectedItem = val; }
+	void setAutoSelectOverride(BOOL val) { mAutoSelectOverride = val; }
+
+	bool showItemLinkOverlays() { return mShowItemLinkOverlays; }
+
+	void setCallbackRegistrar(LLUICtrl::CommitCallbackRegistry::ScopedRegistrar* registrar) { mCallbackRegistrar = registrar; }
+
+	LLPanel* getParentPanel() { return mParentPanel; }
+	// DEBUG only
+	void dumpSelectionInformation();
+
+	virtual S32	notify(const LLSD& info) ;
+	
+	bool useLabelSuffix() { return mUseLabelSuffix; }
+	void updateMenu();
+
+private:
+	void updateMenuOptions(LLMenuGL* menu);
+	void updateRenamerPosition();
+
+protected:
+	LLScrollContainer* mScrollContainer;  // NULL if this is not a child of a scroll container.
+
+	void commitRename( const LLSD& data );
+	void onRenamerLost();
+
+	void finishRenamingItem( void );
+	void closeRenamer( void );
+
+	bool selectFirstItem();
+	bool selectLastItem();
+	
+	BOOL addNoOptions(LLMenuGL* menu) const;
+
+
+protected:
+	LLHandle<LLView>					mPopupMenuHandle;
+	
+	selected_items_t				mSelectedItems;
+	BOOL							mKeyboardSelection;
+	BOOL							mAllowMultiSelect;
+	BOOL							mShowEmptyMessage;
+	BOOL							mShowFolderHierarchy;
+
+	// Renaming variables and methods
+	LLFolderViewItem*				mRenameItem;  // The item currently being renamed
+	LLLineEditor*					mRenamer;
+
+	BOOL							mNeedsScroll;
+	BOOL							mPinningSelectedItem;
+	LLRect							mScrollConstraintRect;
+	BOOL							mNeedsAutoSelect;
+	BOOL							mAutoSelectOverride;
+	BOOL							mNeedsAutoRename;
+	bool							mUseLabelSuffix;
+	bool							mShowItemLinkOverlays;
+	
+	LLDepthStack<LLFolderViewFolder>	mAutoOpenItems;
+	LLFolderViewFolder*				mAutoOpenCandidate;
+	LLFrameTimer					mAutoOpenTimer;
+	LLFrameTimer					mSearchTimer;
+	std::string						mSearchString;
+	BOOL							mShowSelectionContext;
+	BOOL							mShowSingleSelection;
+	LLFrameTimer					mMultiSelectionFadeTimer;
+	S32								mArrangeGeneration;
+
+	signal_t						mSelectSignal;
+	signal_t						mReshapeSignal;
+	S32								mSignalSelectCallback;
+	S32								mMinWidth;
+	BOOL							mDragAndDropThisFrame;
+	
+	LLPanel*						mParentPanel;
+	
+	LLFolderViewModelInterface*		mViewModel;
+
+	/**
+	 * Is used to determine if we need to cut text In LLFolderViewItem to avoid horizontal scroll.
+	 * NOTE: For now it's used only to cut LLFolderViewItem::mLabel text for Landmarks in Places Panel.
+	 */
+	bool							mUseEllipses; // See EXT-719
+
+	/**
+	 * Contains item under mouse pointer while dragging
+	 */
+	LLFolderViewItem*				mDraggingOverItem; // See EXT-719
+
+	LLUICtrl::CommitCallbackRegistry::ScopedRegistrar* mCallbackRegistrar;
+	
+public:
+	static F32 sAutoOpenTime;
+	LLTextBox*						mStatusTextBox;
+
+};
+
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+// Class LLFolderViewFunctor
+//
+// Simple abstract base class for applying a functor to folders and
+// items in a folder view hierarchy. This is suboptimal for algorithms
+// that only work folders or only work on items, but I'll worry about
+// that later when it's determined to be too slow.
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+class LLFolderViewFunctor
+{
+public:
+	virtual ~LLFolderViewFunctor() {}
+	virtual void doFolder(LLFolderViewFolder* folder) = 0;
+	virtual void doItem(LLFolderViewItem* item) = 0;
+};
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+// Class LLSelectFirstFilteredItem
+//
+// This will select the first *item* found in the hierarchy. If no item can be
+// selected, the first matching folder will.
+// Since doFolder() is done first but we prioritize item selection, we let the 
+// first filtered folder set the selection and raise a folder flag.
+// The selection might be overridden by the first filtered item in doItem()  
+// which checks an item flag. Since doFolder() checks the item flag too, the first
+// item will still be selected if items were to be done first and folders second.
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+class LLSelectFirstFilteredItem : public LLFolderViewFunctor
+{
+public:
+	LLSelectFirstFilteredItem() : mItemSelected(FALSE), mFolderSelected(FALSE) {}
+	virtual ~LLSelectFirstFilteredItem() {}
+	virtual void doFolder(LLFolderViewFolder* folder);
+	virtual void doItem(LLFolderViewItem* item);
+	BOOL wasItemSelected() { return mItemSelected || mFolderSelected; }
+protected:
+	BOOL mItemSelected;
+	BOOL mFolderSelected;
+};
+
+class LLOpenFilteredFolders : public LLFolderViewFunctor
+{
+public:
+	LLOpenFilteredFolders()  {}
+	virtual ~LLOpenFilteredFolders() {}
+	virtual void doFolder(LLFolderViewFolder* folder);
+	virtual void doItem(LLFolderViewItem* item);
+};
+
+class LLSaveFolderState : public LLFolderViewFunctor
+{
+public:
+	LLSaveFolderState() : mApply(FALSE) {}
+	virtual ~LLSaveFolderState() {}
+	virtual void doFolder(LLFolderViewFolder* folder);
+	virtual void doItem(LLFolderViewItem* item) {}
+	void setApply(BOOL apply);
+	void clearOpenFolders() { mOpenFolders.clear(); }
+protected:
+	std::set<LLUUID> mOpenFolders;
+	BOOL mApply;
+};
+
+class LLOpenFoldersWithSelection : public LLFolderViewFunctor
+{
+public:
+	LLOpenFoldersWithSelection() {}
+	virtual ~LLOpenFoldersWithSelection() {}
+	virtual void doFolder(LLFolderViewFolder* folder);
+	virtual void doItem(LLFolderViewItem* item);
+};
+
+// Flags for buildContextMenu()
+const U32 SUPPRESS_OPEN_ITEM = 0x1;
+const U32 FIRST_SELECTED_ITEM = 0x2;
+const U32 ITEM_IN_MULTI_SELECTION = 0x4;
+
+#endif // LL_LLFOLDERVIEW_H
diff --git a/indra/llui/llfolderviewitem.cpp b/indra/llui/llfolderviewitem.cpp
new file mode 100644
index 0000000000..6c147ccc12
--- /dev/null
+++ b/indra/llui/llfolderviewitem.cpp
@@ -0,0 +1,2099 @@
+/** 
+* @file llfolderviewitem.cpp
+* @brief Items and folders that can appear in a hierarchical folder view
+*
+* $LicenseInfo:firstyear=2001&license=viewerlgpl$
+* Second Life Viewer Source Code
+* Copyright (C) 2010, Linden Research, Inc.
+* 
+* This library is free software; you can redistribute it and/or
+* modify it under the terms of the GNU Lesser General Public
+* License as published by the Free Software Foundation;
+* version 2.1 of the License only.
+* 
+* This library is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+* Lesser General Public License for more details.
+* 
+* You should have received a copy of the GNU Lesser General Public
+* License along with this library; if not, write to the Free Software
+* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+* 
+* Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+* $/LicenseInfo$
+*/
+#include "../newview/llviewerprecompiledheaders.h"
+
+#include "llflashtimer.h"
+
+#include "linden_common.h"
+#include "llfolderviewitem.h"
+#include "llfolderview.h"
+#include "llfolderviewmodel.h"
+#include "llpanel.h"
+#include "llcriticaldamp.h"
+#include "llclipboard.h"
+#include "llfocusmgr.h"		// gFocusMgr
+#include "lltrans.h"
+#include "llwindow.h"
+
+///----------------------------------------------------------------------------
+/// Class LLFolderViewItem
+///----------------------------------------------------------------------------
+
+static LLDefaultChildRegistry::Register<LLFolderViewItem> r("folder_view_item");
+
+// statics 
+std::map<U8, LLFontGL*> LLFolderViewItem::sFonts; // map of styles to fonts
+
+bool LLFolderViewItem::sColorSetInitialized = false;
+LLUIColor LLFolderViewItem::sFgColor;
+LLUIColor LLFolderViewItem::sHighlightBgColor;
+LLUIColor LLFolderViewItem::sFlashBgColor;
+LLUIColor LLFolderViewItem::sFocusOutlineColor;
+LLUIColor LLFolderViewItem::sMouseOverColor;
+LLUIColor LLFolderViewItem::sFilterBGColor;
+LLUIColor LLFolderViewItem::sFilterTextColor;
+LLUIColor LLFolderViewItem::sSuffixColor;
+LLUIColor LLFolderViewItem::sSearchStatusColor;
+
+// only integers can be initialized in header
+const F32 LLFolderViewItem::FOLDER_CLOSE_TIME_CONSTANT = 0.02f;
+const F32 LLFolderViewItem::FOLDER_OPEN_TIME_CONSTANT = 0.03f;
+
+const LLColor4U DEFAULT_WHITE(255, 255, 255);
+
+
+//static
+LLFontGL* LLFolderViewItem::getLabelFontForStyle(U8 style)
+{
+	LLFontGL* rtn = sFonts[style];
+	if (!rtn) // grab label font with this style, lazily
+	{
+		LLFontDescriptor labelfontdesc("SansSerif", "Small", style);
+		rtn = LLFontGL::getFont(labelfontdesc);
+		if (!rtn)
+		{
+			rtn = LLFontGL::getFontDefault();
+		}
+		sFonts[style] = rtn;
+	}
+	return rtn;
+}
+
+//static
+void LLFolderViewItem::initClass()
+{
+}
+
+//static
+void LLFolderViewItem::cleanupClass()
+{
+	sFonts.clear();
+}
+
+
+// NOTE: Optimize this, we call it a *lot* when opening a large inventory
+LLFolderViewItem::Params::Params()
+:	root(),
+	listener(),
+	folder_arrow_image("folder_arrow_image"),
+	folder_indentation("folder_indentation"),
+	selection_image("selection_image"),
+	item_height("item_height"),
+	item_top_pad("item_top_pad"),
+	creation_date(),
+	allow_open("allow_open", true),
+	font_color("font_color"),
+	font_highlight_color("font_highlight_color"),
+    left_pad("left_pad", 0),
+    icon_pad("icon_pad", 0),
+    icon_width("icon_width", 0),
+    text_pad("text_pad", 0),
+    text_pad_right("text_pad_right", 0),
+    arrow_size("arrow_size", 0),
+    max_folder_item_overlap("max_folder_item_overlap", 0)
+{ }
+
+// Default constructor
+LLFolderViewItem::LLFolderViewItem(const LLFolderViewItem::Params& p)
+:	LLView(p),
+	mLabelWidth(0),
+	mLabelWidthDirty(false),
+    mLabelPaddingRight(DEFAULT_LABEL_PADDING_RIGHT),
+	mParentFolder( NULL ),
+	mIsSelected( FALSE ),
+	mIsCurSelection( FALSE ),
+	mSelectPending(FALSE),
+	mLabelStyle( LLFontGL::NORMAL ),
+	mHasVisibleChildren(FALSE),
+    mLocalIndentation(p.folder_indentation),
+	mIndentation(0),
+	mItemHeight(p.item_height),
+	mControlLabelRotation(0.f),
+	mDragAndDropTarget(FALSE),
+	mLabel(p.name),
+	mRoot(p.root),
+	mViewModelItem(p.listener),
+	mIsMouseOverTitle(false),
+	mAllowOpen(p.allow_open),
+	mFontColor(p.font_color),
+	mFontHighlightColor(p.font_highlight_color),
+    mLeftPad(p.left_pad),
+    mIconPad(p.icon_pad),
+    mIconWidth(p.icon_width),
+    mTextPad(p.text_pad),
+    mTextPadRight(p.text_pad_right),
+    mArrowSize(p.arrow_size),
+    mMaxFolderItemOverlap(p.max_folder_item_overlap)
+{
+	if (!sColorSetInitialized)
+	{
+		sFgColor = LLUIColorTable::instance().getColor("MenuItemEnabledColor", DEFAULT_WHITE);
+		sHighlightBgColor = LLUIColorTable::instance().getColor("MenuItemHighlightBgColor", DEFAULT_WHITE);
+		sFlashBgColor = LLUIColorTable::instance().getColor("MenuItemFlashBgColor", DEFAULT_WHITE);
+		sFocusOutlineColor = LLUIColorTable::instance().getColor("InventoryFocusOutlineColor", DEFAULT_WHITE);
+		sMouseOverColor = LLUIColorTable::instance().getColor("InventoryMouseOverColor", DEFAULT_WHITE);
+		sFilterBGColor = LLUIColorTable::instance().getColor("FilterBackgroundColor", DEFAULT_WHITE);
+		sFilterTextColor = LLUIColorTable::instance().getColor("FilterTextColor", DEFAULT_WHITE);
+		sSuffixColor = LLUIColorTable::instance().getColor("InventoryItemColor", DEFAULT_WHITE);
+		sSearchStatusColor = LLUIColorTable::instance().getColor("InventorySearchStatusColor", DEFAULT_WHITE);
+		sColorSetInitialized = true;
+	}
+
+	if (mViewModelItem)
+	{
+		mViewModelItem->setFolderViewItem(this);
+	}
+}
+
+// Destroys the object
+LLFolderViewItem::~LLFolderViewItem()
+{
+	mViewModelItem = NULL;
+}
+
+BOOL LLFolderViewItem::postBuild()
+{
+	refresh();
+	return TRUE;
+}
+
+
+LLFolderView* LLFolderViewItem::getRoot()
+{
+	return mRoot;
+}
+
+const LLFolderView* LLFolderViewItem::getRoot() const
+{
+	return mRoot;
+}
+// Returns true if this object is a child (or grandchild, etc.) of potential_ancestor.
+BOOL LLFolderViewItem::isDescendantOf( const LLFolderViewFolder* potential_ancestor )
+{
+	LLFolderViewItem* root = this;
+	while( root->mParentFolder )
+	{
+		if( root->mParentFolder == potential_ancestor )
+		{
+			return TRUE;
+		}
+		root = root->mParentFolder;
+	}
+	return FALSE;
+}
+
+LLFolderViewItem* LLFolderViewItem::getNextOpenNode(BOOL include_children)
+{
+	if (!mParentFolder)
+	{
+		return NULL;
+	}
+
+	LLFolderViewItem* itemp = mParentFolder->getNextFromChild( this, include_children );
+	while(itemp && !itemp->getVisible())
+	{
+		LLFolderViewItem* next_itemp = itemp->mParentFolder->getNextFromChild( itemp, include_children );
+		if (itemp == next_itemp) 
+		{
+			// hit last item
+			return itemp->getVisible() ? itemp : this;
+		}
+		itemp = next_itemp;
+	}
+
+	return itemp;
+}
+
+LLFolderViewItem* LLFolderViewItem::getPreviousOpenNode(BOOL include_children)
+{
+	if (!mParentFolder)
+	{
+		return NULL;
+	}
+
+	LLFolderViewItem* itemp = mParentFolder->getPreviousFromChild( this, include_children );
+
+	// Skip over items that are invisible or are hidden from the UI.
+	while(itemp && !itemp->getVisible())
+	{
+		LLFolderViewItem* next_itemp = itemp->mParentFolder->getPreviousFromChild( itemp, include_children );
+		if (itemp == next_itemp) 
+		{
+			// hit first item
+			return itemp->getVisible() ? itemp : this;
+		}
+		itemp = next_itemp;
+	}
+
+	return itemp;
+}
+
+BOOL LLFolderViewItem::passedFilter(S32 filter_generation) 
+{
+	return getViewModelItem()->passedFilter(filter_generation);
+}
+
+void LLFolderViewItem::refresh()
+{
+	LLFolderViewModelItem& vmi = *getViewModelItem();
+
+	mLabel = vmi.getDisplayName();
+
+	setToolTip(vmi.getName());
+	mIcon = vmi.getIcon();
+	mIconOpen = vmi.getIconOpen();
+	mIconOverlay = vmi.getIconOverlay();
+
+	if (mRoot->useLabelSuffix())
+	{
+		mLabelStyle = vmi.getLabelStyle();
+		mLabelSuffix = vmi.getLabelSuffix();
+	}
+
+	mLabelWidthDirty = true;
+    // Dirty the filter flag of the model from the view (CHUI-849)
+	vmi.dirtyFilter();
+}
+
+// Utility function for LLFolderView
+void LLFolderViewItem::arrangeAndSet(BOOL set_selection,
+									 BOOL take_keyboard_focus)
+{
+	LLFolderView* root = getRoot();
+	if (getParentFolder())
+	{
+	getParentFolder()->requestArrange();
+	}
+	if(set_selection)
+	{
+		getRoot()->setSelection(this, TRUE, take_keyboard_focus);
+		if(root)
+		{
+			root->scrollToShowSelection();
+		}
+	}		
+}
+
+
+std::set<LLFolderViewItem*> LLFolderViewItem::getSelectionList() const
+{
+	std::set<LLFolderViewItem*> selection;
+	return selection;
+}
+
+// addToFolder() returns TRUE if it succeeds. FALSE otherwise
+void LLFolderViewItem::addToFolder(LLFolderViewFolder* folder)
+{
+	folder->addItem(this);
+}
+
+
+// Finds width and height of this object and its children.  Also
+// makes sure that this view and its children are the right size.
+S32 LLFolderViewItem::arrange( S32* width, S32* height )
+{
+	// Only indent deeper items in hierarchy
+	mIndentation = (getParentFolder())
+		? getParentFolder()->getIndentation() + mLocalIndentation
+		: 0;
+	if (mLabelWidthDirty)
+	{
+		mLabelWidth = getLabelXPos() + getLabelFontForStyle(mLabelStyle)->getWidth(mLabel) + getLabelFontForStyle(mLabelStyle)->getWidth(mLabelSuffix) + mLabelPaddingRight; 
+		mLabelWidthDirty = false;
+	}
+
+	*width = llmax(*width, mLabelWidth); 
+
+	// determine if we need to use ellipses to avoid horizontal scroll. EXT-719
+	bool use_ellipses = getRoot()->getUseEllipses();
+	if (use_ellipses)
+	{
+		// limit to set rect to avoid horizontal scrollbar
+		*width = llmin(*width, getRoot()->getRect().getWidth());
+	}
+	*height = getItemHeight();
+	return *height;
+}
+
+S32 LLFolderViewItem::getItemHeight()
+{
+	return mItemHeight;
+}
+
+S32 LLFolderViewItem::getLabelXPos()
+{
+    return getIndentation() + mArrowSize + mTextPad + mIconWidth + mIconPad;
+}
+
+S32 LLFolderViewItem::getIconPad()
+{
+    return mIconPad;
+}
+
+S32 LLFolderViewItem::getTextPad()
+{
+    return mTextPad;
+}
+
+// *TODO: This can be optimized a lot by simply recording that it is
+// selected in the appropriate places, and assuming that set selection
+// means 'deselect' for a leaf item. Do this optimization after
+// multiple selection is implemented to make sure it all plays nice
+// together.
+BOOL LLFolderViewItem::setSelection(LLFolderViewItem* selection, BOOL openitem, BOOL take_keyboard_focus)
+{
+	if (selection == this && !mIsSelected)
+	{
+		selectItem();
+	}
+	else if (mIsSelected)	// Deselect everything else.
+	{
+		deselectItem();
+	}
+	return mIsSelected;
+}
+
+BOOL LLFolderViewItem::changeSelection(LLFolderViewItem* selection, BOOL selected)
+{
+	if (selection == this)
+	{
+		if (mIsSelected)
+		{
+			deselectItem();
+		}
+		else
+		{
+			selectItem();
+		}
+		return TRUE;
+	}
+	return FALSE;
+}
+
+void LLFolderViewItem::deselectItem(void)
+{
+	mIsSelected = FALSE;
+}
+
+void LLFolderViewItem::selectItem(void)
+{
+	if (mIsSelected == FALSE)
+	{
+		mIsSelected = TRUE;
+		getViewModelItem()->selectItem();
+	}
+}
+
+BOOL LLFolderViewItem::isMovable()
+{
+	return getViewModelItem()->isItemMovable();
+}
+
+BOOL LLFolderViewItem::isRemovable()
+{
+	return getViewModelItem()->isItemRemovable();
+}
+
+void LLFolderViewItem::destroyView()
+{
+	getRoot()->removeFromSelectionList(this);
+
+	if (mParentFolder)
+	{
+		// removeView deletes me
+		mParentFolder->extractItem(this);
+	}
+	delete this;
+}
+
+// Call through to the viewed object and return true if it can be
+// removed.
+//BOOL LLFolderViewItem::removeRecursively(BOOL single_item)
+BOOL LLFolderViewItem::remove()
+{
+	if(!isRemovable())
+	{
+		return FALSE;
+	}
+	return getViewModelItem()->removeItem();
+}
+
+// Build an appropriate context menu for the item.
+void LLFolderViewItem::buildContextMenu(LLMenuGL& menu, U32 flags)
+{
+	getViewModelItem()->buildContextMenu(menu, flags);
+}
+
+void LLFolderViewItem::openItem( void )
+{
+	if (mAllowOpen)
+	{
+		getViewModelItem()->openItem();
+	}
+}
+
+void LLFolderViewItem::rename(const std::string& new_name)
+{
+	if( !new_name.empty() )
+	{
+		getViewModelItem()->renameItem(new_name);
+	}
+}
+
+const std::string& LLFolderViewItem::getName( void ) const
+{
+	static const std::string noName("");
+	return getViewModelItem() ? getViewModelItem()->getName() : noName;
+}
+
+// LLView functionality
+BOOL LLFolderViewItem::handleRightMouseDown( S32 x, S32 y, MASK mask )
+{
+	if(!mIsSelected)
+	{
+		getRoot()->setSelection(this, FALSE);
+	}
+	make_ui_sound("UISndClick");
+	return TRUE;
+}
+
+BOOL LLFolderViewItem::handleMouseDown( S32 x, S32 y, MASK mask )
+{
+	if (LLView::childrenHandleMouseDown(x, y, mask))
+	{
+		return TRUE;
+	}
+	
+	// No handler needed for focus lost since this class has no
+	// state that depends on it.
+	gFocusMgr.setMouseCapture( this );
+    
+	if (!mIsSelected)
+	{
+		if(mask & MASK_CONTROL)
+		{
+			getRoot()->changeSelection(this, !mIsSelected);
+		}
+		else if (mask & MASK_SHIFT)
+		{
+			getParentFolder()->extendSelectionTo(this);
+		}
+		else
+		{
+			getRoot()->setSelection(this, FALSE);
+		}
+		make_ui_sound("UISndClick");
+	}
+	else
+	{
+		// If selected, we reserve the decision of deselecting/reselecting to the mouse up moment.
+		// This is necessary so we maintain selection consistent when starting a drag.
+		mSelectPending = TRUE;
+	}
+
+	mDragStartX = x;
+	mDragStartY = y;
+	return TRUE;
+}
+
+BOOL LLFolderViewItem::handleHover( S32 x, S32 y, MASK mask )
+{
+	static LLCachedControl<S32> drag_and_drop_threshold(*LLUI::sSettingGroups["config"],"DragAndDropDistanceThreshold");
+
+	mIsMouseOverTitle = (y > (getRect().getHeight() - mItemHeight));
+
+	if( hasMouseCapture() && isMovable() )
+	{
+			LLFolderView* root = getRoot();
+
+		if( (x - mDragStartX) * (x - mDragStartX) + (y - mDragStartY) * (y - mDragStartY) > drag_and_drop_threshold() * drag_and_drop_threshold() 
+			&& root->getCurSelectedItem()
+			&& root->startDrag())
+		{
+					// RN: when starting drag and drop, clear out last auto-open
+					root->autoOpenTest(NULL);
+					root->setShowSelectionContext(TRUE);
+
+					// Release keyboard focus, so that if stuff is dropped into the
+					// world, pressing the delete key won't blow away the inventory
+					// item.
+					gFocusMgr.setKeyboardFocus(NULL);
+
+			getWindow()->setCursor(UI_CURSOR_ARROW);
+		}
+		else if (x != mDragStartX || y != mDragStartY)
+		{
+			getWindow()->setCursor(UI_CURSOR_NOLOCKED);
+		}
+
+		return TRUE;
+	}
+	else
+	{
+		getRoot()->setShowSelectionContext(FALSE);
+		getWindow()->setCursor(UI_CURSOR_ARROW);
+		// let parent handle this then...
+		return FALSE;
+	}
+}
+
+
+BOOL LLFolderViewItem::handleDoubleClick( S32 x, S32 y, MASK mask )
+{
+	openItem();
+	return TRUE;
+}
+
+BOOL LLFolderViewItem::handleMouseUp( S32 x, S32 y, MASK mask )
+{
+	if (LLView::childrenHandleMouseUp(x, y, mask))
+	{
+		return TRUE;
+	}
+	
+	// if mouse hasn't moved since mouse down...
+	if ( pointInView(x, y) && mSelectPending )
+	{
+		//...then select
+		if(mask & MASK_CONTROL)
+		{
+			getRoot()->changeSelection(this, !mIsSelected);
+		}
+		else if (mask & MASK_SHIFT)
+		{
+			getParentFolder()->extendSelectionTo(this);
+		}
+		else
+		{
+			getRoot()->setSelection(this, FALSE);
+		}
+	}
+
+	mSelectPending = FALSE;
+
+	if( hasMouseCapture() )
+	{
+		if (getRoot())
+		{
+		getRoot()->setShowSelectionContext(FALSE);
+		}
+		gFocusMgr.setMouseCapture( NULL );
+	}
+	return TRUE;
+}
+
+void LLFolderViewItem::onMouseLeave(S32 x, S32 y, MASK mask)
+{
+	mIsMouseOverTitle = false;
+}
+
+BOOL LLFolderViewItem::handleDragAndDrop(S32 x, S32 y, MASK mask, BOOL drop,
+										 EDragAndDropType cargo_type,
+										 void* cargo_data,
+										 EAcceptance* accept,
+										 std::string& tooltip_msg)
+{
+	BOOL handled = FALSE;
+	BOOL accepted = getViewModelItem()->dragOrDrop(mask,drop,cargo_type,cargo_data, tooltip_msg);
+		handled = accepted;
+		if (accepted)
+		{
+			mDragAndDropTarget = TRUE;
+			*accept = ACCEPT_YES_MULTI;
+		}
+		else
+		{
+			*accept = ACCEPT_NO;
+		}
+	if(mParentFolder && !handled)
+	{
+		// store this item to get it in LLFolderBridge::dragItemIntoFolder on drop event.
+		mRoot->setDraggingOverItem(this);
+		handled = mParentFolder->handleDragAndDropFromChild(mask,drop,cargo_type,cargo_data,accept,tooltip_msg);
+		mRoot->setDraggingOverItem(NULL);
+	}
+	if (handled)
+	{
+		lldebugst(LLERR_USER_INPUT) << "dragAndDrop handled by LLFolderViewItem" << llendl;
+	}
+
+	return handled;
+}
+
+void LLFolderViewItem::drawOpenFolderArrow(const Params& default_params, const LLUIColor& fg_color)
+{
+	//--------------------------------------------------------------------------------//
+	// Draw open folder arrow
+	//
+	const S32 TOP_PAD = default_params.item_top_pad;
+
+	if (hasVisibleChildren() || getViewModelItem()->hasChildren())
+	{
+		LLUIImage* arrow_image = default_params.folder_arrow_image;
+		gl_draw_scaled_rotated_image(
+			mIndentation, getRect().getHeight() - mArrowSize - mTextPad - TOP_PAD,
+			mArrowSize, mArrowSize, mControlLabelRotation, arrow_image->getImage(), fg_color);
+	}
+}
+
+/*virtual*/ bool LLFolderViewItem::isHighlightAllowed()
+{
+	return mIsSelected;
+}
+
+/*virtual*/ bool LLFolderViewItem::isHighlightActive()
+{
+	return mIsCurSelection;
+}
+
+void LLFolderViewItem::drawHighlight(const BOOL showContent, const BOOL hasKeyboardFocus, const LLUIColor &selectColor, const LLUIColor &flashColor,  
+                                                        const LLUIColor &focusOutlineColor, const LLUIColor &mouseOverColor)
+{
+    const S32 focus_top = getRect().getHeight();
+    const S32 focus_bottom = getRect().getHeight() - mItemHeight;
+    const bool folder_open = (getRect().getHeight() > mItemHeight + 4);
+    const S32 FOCUS_LEFT = 1;
+	
+	// Determine which background color to use for highlighting
+	LLUIColor bgColor = (isFlashing() ? flashColor : selectColor);
+
+    //--------------------------------------------------------------------------------//
+    // Draw highlight for selected items
+	// Note: Always render "current" item or flashing item, only render other selected 
+	// items if mShowSingleSelection is FALSE.
+    //
+    if (isHighlightAllowed())	
+    							
+    {
+        gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+		
+		// Highlight for selected but not current items
+        if (!isHighlightActive() && !isFlashing())
+        {
+			LLColor4 bg_color = bgColor;
+            // do time-based fade of extra objects
+            F32 fade_time = (getRoot() ? getRoot()->getSelectionFadeElapsedTime() : 0.0f);
+            if (getRoot() && getRoot()->getShowSingleSelection())
+            {
+                // fading out
+                bg_color.mV[VALPHA] = clamp_rescale(fade_time, 0.f, 0.4f, bg_color.mV[VALPHA], 0.f);
+            }
+            else
+            {
+                // fading in
+                bg_color.mV[VALPHA] = clamp_rescale(fade_time, 0.f, 0.4f, 0.f, bg_color.mV[VALPHA]);
+            }
+        	gl_rect_2d(FOCUS_LEFT,
+					   focus_top,
+					   getRect().getWidth() - 2,
+					   focus_bottom,
+					   bg_color, hasKeyboardFocus);
+        }
+
+		// Highlight for currently selected or flashing item
+        if (isHighlightActive())
+        {
+			// Background
+        	gl_rect_2d(FOCUS_LEFT,
+                focus_top,
+                getRect().getWidth() - 2,
+                focus_bottom,
+                bgColor, hasKeyboardFocus);
+			// Outline
+            gl_rect_2d(FOCUS_LEFT, 
+                focus_top, 
+                getRect().getWidth() - 2,
+                focus_bottom,
+                focusOutlineColor, FALSE);
+        }
+
+        if (folder_open)
+        {
+            gl_rect_2d(FOCUS_LEFT,
+                focus_bottom + 1, // overlap with bottom edge of above rect
+                getRect().getWidth() - 2,
+                0,
+                focusOutlineColor, FALSE);
+            if (showContent && !isFlashing())
+            {
+                gl_rect_2d(FOCUS_LEFT,
+                    focus_bottom + 1,
+                    getRect().getWidth() - 2,
+                    0,
+                    bgColor, TRUE);
+            }
+        }
+    }
+    else if (mIsMouseOverTitle)
+    {
+        gl_rect_2d(FOCUS_LEFT,
+            focus_top, 
+            getRect().getWidth() - 2,
+            focus_bottom,
+            mouseOverColor, FALSE);
+    }
+
+    //--------------------------------------------------------------------------------//
+    // Draw DragNDrop highlight
+    //
+    if (mDragAndDropTarget)
+    {
+        gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+        gl_rect_2d(FOCUS_LEFT, 
+            focus_top, 
+            getRect().getWidth() - 2,
+            focus_bottom,
+            bgColor, FALSE);
+        if (folder_open)
+        {
+            gl_rect_2d(FOCUS_LEFT,
+                focus_bottom + 1, // overlap with bottom edge of above rect
+                getRect().getWidth() - 2,
+                0,
+                bgColor, FALSE);
+        }
+        mDragAndDropTarget = FALSE;
+    }
+}
+
+void LLFolderViewItem::drawLabel(const LLFontGL * font, const F32 x, const F32 y, const LLColor4& color, F32 &right_x)
+{
+    //--------------------------------------------------------------------------------//
+    // Draw the actual label text
+    //
+    font->renderUTF8(mLabel, 0, x, y, color,
+        LLFontGL::LEFT, LLFontGL::BOTTOM, LLFontGL::NORMAL, LLFontGL::NO_SHADOW,
+        S32_MAX, getRect().getWidth() - (S32) x - mLabelPaddingRight, &right_x, TRUE);
+}
+
+void LLFolderViewItem::draw()
+{
+    const BOOL show_context = (getRoot() ? getRoot()->getShowSelectionContext() : FALSE);
+    const BOOL filled = show_context || (getRoot() ? getRoot()->getParentPanel()->hasFocus() : FALSE); // If we have keyboard focus, draw selection filled
+
+	const Params& default_params = LLUICtrlFactory::getDefaultParams<LLFolderViewItem>();
+	const S32 TOP_PAD = default_params.item_top_pad;
+	
+	const LLFontGL* font = getLabelFontForStyle(mLabelStyle);
+
+    getViewModelItem()->update();
+
+    drawOpenFolderArrow(default_params, sFgColor);
+
+    drawHighlight(show_context, filled, sHighlightBgColor, sFlashBgColor, sFocusOutlineColor, sMouseOverColor);
+
+	//--------------------------------------------------------------------------------//
+	// Draw open icon
+	//
+	const S32 icon_x = mIndentation + mArrowSize + mTextPad;
+	if (!mIconOpen.isNull() && (llabs(mControlLabelRotation) > 80)) // For open folders
+ 	{
+		mIconOpen->draw(icon_x, getRect().getHeight() - mIconOpen->getHeight() - TOP_PAD + 1);
+	}
+	else if (mIcon)
+	{
+ 		mIcon->draw(icon_x, getRect().getHeight() - mIcon->getHeight() - TOP_PAD + 1);
+ 	}
+
+	if (mIconOverlay && getRoot()->showItemLinkOverlays())
+	{
+		mIconOverlay->draw(icon_x, getRect().getHeight() - mIcon->getHeight() - TOP_PAD + 1);
+	}
+
+	//--------------------------------------------------------------------------------//
+	// Exit if no label to draw
+	//
+	if (mLabel.empty())
+	{
+		return;
+	}
+
+	std::string::size_type filter_string_length = mViewModelItem->hasFilterStringMatch() ? mViewModelItem->getFilterStringSize() : 0;
+	F32 right_x  = 0;
+	F32 y = (F32)getRect().getHeight() - font->getLineHeight() - (F32)mTextPad - (F32)TOP_PAD;
+	F32 text_left = (F32)getLabelXPos();
+	std::string combined_string = mLabel + mLabelSuffix;
+
+	if (filter_string_length > 0)
+	{
+		S32 left = llround(text_left) + font->getWidth(combined_string, 0, mViewModelItem->getFilterStringOffset()) - 2;
+		S32 right = left + font->getWidth(combined_string, mViewModelItem->getFilterStringOffset(), filter_string_length) + 2;
+		S32 bottom = llfloor(getRect().getHeight() - font->getLineHeight() - 3 - TOP_PAD);
+		S32 top = getRect().getHeight() - TOP_PAD;
+
+		LLUIImage* box_image = default_params.selection_image;
+		LLRect box_rect(left, top, right, bottom);
+		box_image->draw(box_rect, sFilterBGColor);
+    }
+
+    LLColor4 color = (mIsSelected && filled) ? mFontHighlightColor : mFontColor;
+    drawLabel(font, text_left, y, color, right_x);
+
+	//--------------------------------------------------------------------------------//
+	// Draw label suffix
+	//
+	if (!mLabelSuffix.empty())
+	{
+		font->renderUTF8( mLabelSuffix, 0, right_x, y, sSuffixColor,
+						  LLFontGL::LEFT, LLFontGL::BOTTOM, LLFontGL::NORMAL, LLFontGL::NO_SHADOW,
+						  S32_MAX, S32_MAX, &right_x, FALSE );
+	}
+    
+	//--------------------------------------------------------------------------------//
+	// Highlight string match
+	//
+    if (filter_string_length > 0)
+    {
+        F32 match_string_left = text_left + font->getWidthF32(combined_string, 0, mViewModelItem->getFilterStringOffset());
+        F32 yy = (F32)getRect().getHeight() - font->getLineHeight() - (F32)mTextPad - (F32)TOP_PAD;
+        font->renderUTF8( combined_string, mViewModelItem->getFilterStringOffset(), match_string_left, yy,
+            sFilterTextColor, LLFontGL::LEFT, LLFontGL::BOTTOM, LLFontGL::NORMAL, LLFontGL::NO_SHADOW,
+            filter_string_length, S32_MAX, &right_x, FALSE );
+    }
+
+    //Gilbert Linden 9-20-2012: Although this should be legal, removing it because it causes the mLabelSuffix rendering to
+    //be distorted...oddly. I initially added this in but didn't need it after all. So removing to prevent unnecessary bug.
+    //LLView::draw();
+}
+
+const LLFolderViewModelInterface* LLFolderViewItem::getFolderViewModel( void ) const
+{
+	return getRoot()->getFolderViewModel();
+}
+
+LLFolderViewModelInterface* LLFolderViewItem::getFolderViewModel( void )
+{
+	return getRoot()->getFolderViewModel();
+}
+
+bool LLFolderViewItem::isInSelection() const
+{
+	return mIsSelected || (mParentFolder && mParentFolder->isInSelection());
+}
+
+
+
+///----------------------------------------------------------------------------
+/// Class LLFolderViewFolder
+///----------------------------------------------------------------------------
+
+LLFolderViewFolder::LLFolderViewFolder( const LLFolderViewItem::Params& p ): 
+	LLFolderViewItem( p ),
+	mIsOpen(FALSE),
+	mExpanderHighlighted(FALSE),
+	mCurHeight(0.f),
+	mTargetHeight(0.f),
+	mAutoOpenCountdown(0.f),
+	mLastArrangeGeneration( -1 ),
+	mLastCalculatedWidth(0)
+{
+}
+
+void LLFolderViewFolder::updateLabelRotation()
+{
+	if (mAutoOpenCountdown != 0.f)
+	{
+		mControlLabelRotation = mAutoOpenCountdown * -90.f;
+	}
+	else if (isOpen())
+	{
+		mControlLabelRotation = lerp(mControlLabelRotation, -90.f, LLCriticalDamp::getInterpolant(0.04f));
+	}
+	else
+	{
+		mControlLabelRotation = lerp(mControlLabelRotation, 0.f, LLCriticalDamp::getInterpolant(0.025f));
+	}
+}
+
+// Destroys the object
+LLFolderViewFolder::~LLFolderViewFolder( void )
+{
+	// The LLView base class takes care of object destruction. make sure that we
+	// don't have mouse or keyboard focus
+	gFocusMgr.releaseFocusIfNeeded( this ); // calls onCommit()
+}
+
+// addToFolder() returns TRUE if it succeeds. FALSE otherwise
+void LLFolderViewFolder::addToFolder(LLFolderViewFolder* folder)
+{
+	folder->addFolder(this);
+}
+
+static LLFastTimer::DeclareTimer FTM_ARRANGE("Arrange");
+
+// Make everything right and in the right place ready for drawing (CHUI-849)
+// * Sort everything correctly if necessary
+// * Turn widgets visible/invisible according to their model filtering state
+// * Takes animation state into account for opening/closing of folders (this makes widgets visible/invisible)
+// * Reposition visible widgets so that they line up correctly with no gap
+// * Compute the width and height of the current folder and its children
+// * Makes sure that this view and its children are the right size
+S32 LLFolderViewFolder::arrange( S32* width, S32* height )
+{
+	// Sort before laying out contents
+    // Note that we sort from the root (CHUI-849)
+	getRoot()->getFolderViewModel()->sort(this);
+
+	LLFastTimer t2(FTM_ARRANGE);
+
+	// evaluate mHasVisibleChildren
+	mHasVisibleChildren = false;
+	if (getViewModelItem()->descendantsPassedFilter())
+	{
+		// We have to verify that there's at least one child that's not filtered out
+		bool found = false;
+		// Try the items first
+		for (items_t::iterator iit = mItems.begin(); iit != mItems.end(); ++iit)
+		{
+			LLFolderViewItem* itemp = (*iit);
+			found = itemp->passedFilter();
+			if (found)
+				break;
+		}
+		if (!found)
+		{
+			// If no item found, try the folders
+			for (folders_t::iterator fit = mFolders.begin(); fit != mFolders.end(); ++fit)
+			{
+				LLFolderViewFolder* folderp = (*fit);
+				found = folderp->passedFilter();
+				if (found)
+					break;
+			}
+		}
+
+		mHasVisibleChildren = found;
+	}
+
+	// calculate height as a single item (without any children), and reshapes rectangle to match
+	LLFolderViewItem::arrange( width, height );
+
+	// clamp existing animated height so as to never get smaller than a single item
+	mCurHeight = llmax((F32)*height, mCurHeight);
+
+	// initialize running height value as height of single item in case we have no children
+	F32 running_height = (F32)*height;
+	F32 target_height = (F32)*height;
+
+	// are my children visible?
+	if (needsArrange())
+	{
+		// set last arrange generation first, in case children are animating
+		// and need to be arranged again
+		mLastArrangeGeneration = getRoot()->getArrangeGeneration();
+		if (isOpen())
+		{
+			// Add sizes of children
+			S32 parent_item_height = getRect().getHeight();
+
+			for(folders_t::iterator fit = mFolders.begin(); fit != mFolders.end(); ++fit)
+			{
+				LLFolderViewFolder* folderp = (*fit);
+				folderp->setVisible(folderp->passedFilter()); // passed filter or has descendants that passed filter
+
+				if (folderp->getVisible())
+				{
+					S32 child_width = *width;
+					S32 child_height = 0;
+					S32 child_top = parent_item_height - llround(running_height);
+
+					target_height += folderp->arrange( &child_width, &child_height );
+
+					running_height += (F32)child_height;
+					*width = llmax(*width, child_width);
+					folderp->setOrigin( 0, child_top - folderp->getRect().getHeight() );
+				}
+			}
+			for(items_t::iterator iit = mItems.begin();
+				iit != mItems.end(); ++iit)
+			{
+				LLFolderViewItem* itemp = (*iit);
+				itemp->setVisible(itemp->passedFilter());
+
+				if (itemp->getVisible())
+				{
+					S32 child_width = *width;
+					S32 child_height = 0;
+					S32 child_top = parent_item_height - llround(running_height);
+
+					target_height += itemp->arrange( &child_width, &child_height );
+					// don't change width, as this item is as wide as its parent folder by construction
+					itemp->reshape( itemp->getRect().getWidth(), child_height);
+
+					running_height += (F32)child_height;
+					*width = llmax(*width, child_width);
+					itemp->setOrigin( 0, child_top - itemp->getRect().getHeight() );
+				}
+			}
+		}
+
+		mTargetHeight = target_height;
+		// cache this width so next time we can just return it
+		mLastCalculatedWidth = *width;
+	}
+	else
+	{
+		// just use existing width
+		*width = mLastCalculatedWidth;
+	}
+
+	// animate current height towards target height
+	if (llabs(mCurHeight - mTargetHeight) > 1.f)
+	{
+		mCurHeight = lerp(mCurHeight, mTargetHeight, LLCriticalDamp::getInterpolant(isOpen() ? FOLDER_OPEN_TIME_CONSTANT : FOLDER_CLOSE_TIME_CONSTANT));
+
+		requestArrange();
+
+		// hide child elements that fall out of current animated height
+		for (folders_t::iterator iter = mFolders.begin();
+			iter != mFolders.end();)
+		{
+			folders_t::iterator fit = iter++;
+			// number of pixels that bottom of folder label is from top of parent folder
+			if (getRect().getHeight() - (*fit)->getRect().mTop + (*fit)->getItemHeight() 
+				> llround(mCurHeight) + mMaxFolderItemOverlap)
+			{
+				// hide if beyond current folder height
+				(*fit)->setVisible(FALSE);
+			}
+		}
+
+		for (items_t::iterator iter = mItems.begin();
+			iter != mItems.end();)
+		{
+			items_t::iterator iit = iter++;
+			// number of pixels that bottom of item label is from top of parent folder
+			if (getRect().getHeight() - (*iit)->getRect().mBottom
+				> llround(mCurHeight) + mMaxFolderItemOverlap)
+			{
+				(*iit)->setVisible(FALSE);
+			}
+		}
+	}
+	else
+	{
+		mCurHeight = mTargetHeight;
+	}
+
+	// don't change width as this item is already as wide as its parent folder
+	reshape(getRect().getWidth(),llround(mCurHeight));
+
+	// pass current height value back to parent
+	*height = llround(mCurHeight);
+
+	return llround(mTargetHeight);
+}
+
+BOOL LLFolderViewFolder::needsArrange()
+{
+	return mLastArrangeGeneration < getRoot()->getArrangeGeneration(); 
+}
+
+// Passes selection information on to children and record selection
+// information if necessary.
+BOOL LLFolderViewFolder::setSelection(LLFolderViewItem* selection, BOOL openitem,
+                                      BOOL take_keyboard_focus)
+{
+	BOOL rv = FALSE;
+	if (selection == this)
+	{
+		if (!isSelected())
+		{
+			selectItem();
+		}
+		rv = TRUE;
+	}
+	else
+	{
+		if (isSelected())
+		{
+			deselectItem();
+		}
+		rv = FALSE;
+	}
+	BOOL child_selected = FALSE;
+
+	for (folders_t::iterator iter = mFolders.begin();
+		iter != mFolders.end();)
+	{
+		folders_t::iterator fit = iter++;
+		if((*fit)->setSelection(selection, openitem, take_keyboard_focus))
+		{
+			rv = TRUE;
+			child_selected = TRUE;
+		}
+	}
+	for (items_t::iterator iter = mItems.begin();
+		iter != mItems.end();)
+	{
+		items_t::iterator iit = iter++;
+		if((*iit)->setSelection(selection, openitem, take_keyboard_focus))
+		{
+			rv = TRUE;
+			child_selected = TRUE;
+		}
+	}
+	if(openitem && child_selected)
+	{
+		setOpenArrangeRecursively(TRUE);
+	}
+	return rv;
+}
+
+// This method is used to change the selection of an item.
+// Recursively traverse all children; if 'selection' is 'this' then change
+// the select status if necessary.
+// Returns TRUE if the selection state of this folder, or of a child, was changed.
+BOOL LLFolderViewFolder::changeSelection(LLFolderViewItem* selection, BOOL selected)
+{
+	BOOL rv = FALSE;
+	if(selection == this)
+	{
+		if (isSelected() != selected)
+		{
+			rv = TRUE;
+			if (selected)
+			{
+				selectItem();
+			}
+			else
+			{
+				deselectItem();
+			}
+		}
+	}
+
+	for (folders_t::iterator iter = mFolders.begin();
+		iter != mFolders.end();)
+	{
+		folders_t::iterator fit = iter++;
+		if((*fit)->changeSelection(selection, selected))
+		{
+			rv = TRUE;
+		}
+	}
+	for (items_t::iterator iter = mItems.begin();
+		iter != mItems.end();)
+	{
+		items_t::iterator iit = iter++;
+		if((*iit)->changeSelection(selection, selected))
+		{
+			rv = TRUE;
+		}
+	}
+	return rv;
+}
+
+LLFolderViewFolder* LLFolderViewFolder::getCommonAncestor(LLFolderViewItem* item_a, LLFolderViewItem* item_b, bool& reverse)
+{
+	if (!item_a->getParentFolder() || !item_b->getParentFolder()) return NULL;
+
+	std::deque<LLFolderViewFolder*> item_a_ancestors;
+
+	LLFolderViewFolder* parent = item_a->getParentFolder();
+	while(parent)
+	{
+		item_a_ancestors.push_back(parent);
+		parent = parent->getParentFolder();
+	}
+
+	std::deque<LLFolderViewFolder*> item_b_ancestors;
+	
+	parent = item_b->getParentFolder();
+	while(parent)
+	{
+		item_b_ancestors.push_back(parent);
+		parent = parent->getParentFolder();
+	}
+
+	LLFolderViewFolder* common_ancestor = item_a->getRoot();
+
+	while(item_a_ancestors.size() > item_b_ancestors.size())
+	{
+		item_a = item_a_ancestors.front();
+		item_a_ancestors.pop_front();
+	}
+
+	while(item_b_ancestors.size() > item_a_ancestors.size())
+	{
+		item_b = item_b_ancestors.front();
+		item_b_ancestors.pop_front();
+	}
+
+	while(item_a_ancestors.size())
+	{
+		common_ancestor = item_a_ancestors.front();
+
+		if (item_a_ancestors.front() == item_b_ancestors.front())
+		{
+			// which came first, sibling a or sibling b?
+			for (folders_t::iterator it = common_ancestor->mFolders.begin(), end_it = common_ancestor->mFolders.end();
+				it != end_it;
+				++it)
+			{
+				LLFolderViewItem* item = *it;
+
+				if (item == item_a)
+				{
+					reverse = false;
+					return common_ancestor;
+				}
+				if (item == item_b)
+				{
+					reverse = true;
+					return common_ancestor;
+				}
+			}
+
+			for (items_t::iterator it = common_ancestor->mItems.begin(), end_it = common_ancestor->mItems.end();
+				it != end_it;
+				++it)
+			{
+				LLFolderViewItem* item = *it;
+
+				if (item == item_a)
+				{
+					reverse = false;
+					return common_ancestor;
+				}
+				if (item == item_b)
+				{
+					reverse = true;
+					return common_ancestor;
+				}
+			}
+			break;
+		}
+
+		item_a = item_a_ancestors.front();
+		item_a_ancestors.pop_front();
+		item_b = item_b_ancestors.front();
+		item_b_ancestors.pop_front();
+	}
+
+	return NULL;
+}
+
+void LLFolderViewFolder::gatherChildRangeExclusive(LLFolderViewItem* start, LLFolderViewItem* end, bool reverse, std::vector<LLFolderViewItem*>& items)
+{
+	bool selecting = start == NULL;
+	if (reverse)
+	{
+		for (items_t::reverse_iterator it = mItems.rbegin(), end_it = mItems.rend();
+			it != end_it;
+			++it)
+		{
+			if (*it == end)
+			{
+				return;
+			}
+			if (selecting)
+			{
+				items.push_back(*it);
+			}
+
+			if (*it == start)
+			{
+				selecting = true;
+			}
+		}
+		for (folders_t::reverse_iterator it = mFolders.rbegin(), end_it = mFolders.rend();
+			it != end_it;
+			++it)
+		{
+			if (*it == end)
+			{
+				return;
+			}
+
+			if (selecting)
+			{
+				items.push_back(*it);
+			}
+
+			if (*it == start)
+			{
+				selecting = true;
+			}
+		}
+	}
+	else
+	{
+		for (folders_t::iterator it = mFolders.begin(), end_it = mFolders.end();
+			it != end_it;
+			++it)
+		{
+			if (*it == end)
+			{
+				return;
+			}
+
+			if (selecting)
+			{
+				items.push_back(*it);
+			}
+
+			if (*it == start)
+			{
+				selecting = true;
+			}
+		}
+		for (items_t::iterator it = mItems.begin(), end_it = mItems.end();
+			it != end_it;
+			++it)
+		{
+			if (*it == end)
+			{
+				return;
+			}
+
+			if (selecting)
+			{
+				items.push_back(*it);
+			}
+
+			if (*it == start)
+			{
+				selecting = true;
+			}
+		}
+	}
+}
+
+void LLFolderViewFolder::extendSelectionTo(LLFolderViewItem* new_selection)
+{
+	if (getRoot()->getAllowMultiSelect() == FALSE) return;
+
+	LLFolderViewItem* cur_selected_item = getRoot()->getCurSelectedItem();
+	if (cur_selected_item == NULL)
+	{
+		cur_selected_item = new_selection;
+	}
+
+
+	bool reverse = false;
+	LLFolderViewFolder* common_ancestor = getCommonAncestor(cur_selected_item, new_selection, reverse);
+	if (!common_ancestor) return;
+
+	LLFolderViewItem* last_selected_item_from_cur = cur_selected_item;
+	LLFolderViewFolder* cur_folder = cur_selected_item->getParentFolder();
+
+	std::vector<LLFolderViewItem*> items_to_select_forward;
+
+	while(cur_folder != common_ancestor)
+	{
+		cur_folder->gatherChildRangeExclusive(last_selected_item_from_cur, NULL, reverse, items_to_select_forward);
+			
+		last_selected_item_from_cur = cur_folder;
+		cur_folder = cur_folder->getParentFolder();
+	}
+
+	std::vector<LLFolderViewItem*> items_to_select_reverse;
+
+	LLFolderViewItem* last_selected_item_from_new = new_selection;
+	cur_folder = new_selection->getParentFolder();
+	while(cur_folder != common_ancestor)
+	{
+		cur_folder->gatherChildRangeExclusive(last_selected_item_from_new, NULL, !reverse, items_to_select_reverse);
+
+		last_selected_item_from_new = cur_folder;
+		cur_folder = cur_folder->getParentFolder();
+	}
+
+	common_ancestor->gatherChildRangeExclusive(last_selected_item_from_cur, last_selected_item_from_new, reverse, items_to_select_forward);
+
+	for (std::vector<LLFolderViewItem*>::reverse_iterator it = items_to_select_reverse.rbegin(), end_it = items_to_select_reverse.rend();
+		it != end_it;
+		++it)
+	{
+		items_to_select_forward.push_back(*it);
+	}
+
+	LLFolderView* root = getRoot();
+
+	for (std::vector<LLFolderViewItem*>::iterator it = items_to_select_forward.begin(), end_it = items_to_select_forward.end();
+		it != end_it;
+		++it)
+	{
+		LLFolderViewItem* item = *it;
+		if (item->isSelected())
+		{
+			root->removeFromSelectionList(item);
+		}
+		else
+		{
+			item->selectItem();
+		}
+		root->addToSelectionList(item);
+	}
+
+	if (new_selection->isSelected())
+	{
+		root->removeFromSelectionList(new_selection);
+	}
+	else
+	{
+		new_selection->selectItem();
+	}
+	root->addToSelectionList(new_selection);
+}
+
+
+void LLFolderViewFolder::destroyView()
+{
+    while (!mItems.empty())
+    {
+    	LLFolderViewItem *itemp = mItems.back();
+    	itemp->destroyView(); // LLFolderViewItem::destroyView() removes entry from mItems
+    }
+
+	while (!mFolders.empty())
+	{
+		LLFolderViewFolder *folderp = mFolders.back();
+		folderp->destroyView(); // LLFolderVievFolder::destroyView() removes entry from mFolders
+	}
+
+	LLFolderViewItem::destroyView();
+}
+
+// extractItem() removes the specified item from the folder, but
+// doesn't delete it.
+void LLFolderViewFolder::extractItem( LLFolderViewItem* item )
+{
+	if (item->isSelected())
+		getRoot()->clearSelection();
+	items_t::iterator it = std::find(mItems.begin(), mItems.end(), item);
+	if(it == mItems.end())
+	{
+		// This is an evil downcast. However, it's only doing
+		// pointer comparison to find if (which it should be ) the
+		// item is in the container, so it's pretty safe.
+		LLFolderViewFolder* f = static_cast<LLFolderViewFolder*>(item);
+		folders_t::iterator ft;
+		ft = std::find(mFolders.begin(), mFolders.end(), f);
+		if (ft != mFolders.end())
+		{
+			mFolders.erase(ft);
+		}
+	}
+	else
+	{
+		mItems.erase(it);
+	}
+	//item has been removed, need to update filter
+	getViewModelItem()->removeChild(item->getViewModelItem());
+	//because an item is going away regardless of filter status, force rearrange
+	requestArrange();
+	removeChild(item);
+}
+
+BOOL LLFolderViewFolder::isMovable()
+{
+	if( !(getViewModelItem()->isItemMovable()) )
+	{
+			return FALSE;
+		}
+
+		for (items_t::iterator iter = mItems.begin();
+			iter != mItems.end();)
+		{
+			items_t::iterator iit = iter++;
+			if(!(*iit)->isMovable())
+			{
+				return FALSE;
+			}
+		}
+
+		for (folders_t::iterator iter = mFolders.begin();
+			iter != mFolders.end();)
+		{
+			folders_t::iterator fit = iter++;
+			if(!(*fit)->isMovable())
+			{
+				return FALSE;
+			}
+		}
+	return TRUE;
+}
+
+
+BOOL LLFolderViewFolder::isRemovable()
+{
+	if( !(getViewModelItem()->isItemRemovable()) )
+	{
+			return FALSE;
+		}
+
+		for (items_t::iterator iter = mItems.begin();
+			iter != mItems.end();)
+		{
+			items_t::iterator iit = iter++;
+			if(!(*iit)->isRemovable())
+			{
+				return FALSE;
+			}
+		}
+
+		for (folders_t::iterator iter = mFolders.begin();
+			iter != mFolders.end();)
+		{
+			folders_t::iterator fit = iter++;
+			if(!(*fit)->isRemovable())
+			{
+				return FALSE;
+			}
+		}
+	return TRUE;
+}
+
+// this is an internal method used for adding items to folders. 
+void LLFolderViewFolder::addItem(LLFolderViewItem* item)
+{
+	if (item->getParentFolder())
+	{
+		item->getParentFolder()->extractItem(item);
+	}
+	item->setParentFolder(this);
+
+	mItems.push_back(item);
+	
+	item->setRect(LLRect(0, 0, getRect().getWidth(), 0));
+	item->setVisible(FALSE);
+	
+	addChild(item);
+
+	// When the model is already hooked into a hierarchy (i.e. has a parent), do not reparent it
+	// Note: this happens when models are created before views or shared between views
+	if (!item->getViewModelItem()->hasParent())
+	{
+		getViewModelItem()->addChild(item->getViewModelItem());
+	}
+}
+
+// this is an internal method used for adding items to folders. 
+void LLFolderViewFolder::addFolder(LLFolderViewFolder* folder)
+{
+	if (folder->mParentFolder)
+	{
+		folder->mParentFolder->extractItem(folder);
+	}
+	folder->mParentFolder = this;
+	mFolders.push_back(folder);
+	folder->setOrigin(0, 0);
+	folder->reshape(getRect().getWidth(), 0);
+	folder->setVisible(FALSE);
+	// rearrange all descendants too, as our indentation level might have changed
+	//folder->requestArrange();
+	//requestSort();
+
+	addChild(folder);
+
+	// When the model is already hooked into a hierarchy (i.e. has a parent), do not reparent it
+	// Note: this happens when models are created before views or shared between views
+	if (!folder->getViewModelItem()->hasParent())
+	{
+		getViewModelItem()->addChild(folder->getViewModelItem());
+	}
+}
+
+void LLFolderViewFolder::requestArrange()
+{
+    mLastArrangeGeneration = -1;
+    // flag all items up to root
+    if (mParentFolder)
+    {
+        mParentFolder->requestArrange();
+    }
+}
+
+void LLFolderViewFolder::toggleOpen()
+{
+	setOpen(!isOpen());
+}
+
+// Force a folder open or closed
+void LLFolderViewFolder::setOpen(BOOL openitem)
+{
+	setOpenArrangeRecursively(openitem);
+}
+
+void LLFolderViewFolder::setOpenArrangeRecursively(BOOL openitem, ERecurseType recurse)
+{
+	BOOL was_open = isOpen();
+	mIsOpen = openitem;
+		if(!was_open && openitem)
+		{
+		getViewModelItem()->openItem();
+		}
+		else if(was_open && !openitem)
+		{
+		getViewModelItem()->closeItem();
+	}
+
+	if (recurse == RECURSE_DOWN || recurse == RECURSE_UP_DOWN)
+	{
+		for (folders_t::iterator iter = mFolders.begin();
+			iter != mFolders.end();)
+		{
+			folders_t::iterator fit = iter++;
+			(*fit)->setOpenArrangeRecursively(openitem, RECURSE_DOWN);		/* Flawfinder: ignore */
+		}
+	}
+	if (mParentFolder
+		&&	(recurse == RECURSE_UP
+			|| recurse == RECURSE_UP_DOWN))
+	{
+		mParentFolder->setOpenArrangeRecursively(openitem, RECURSE_UP);
+	}
+
+	if (was_open != isOpen())
+	{
+		requestArrange();
+	}
+}
+
+BOOL LLFolderViewFolder::handleDragAndDropFromChild(MASK mask,
+													BOOL drop,
+													EDragAndDropType c_type,
+													void* cargo_data,
+													EAcceptance* accept,
+													std::string& tooltip_msg)
+{
+	BOOL accepted = mViewModelItem->dragOrDrop(mask,drop,c_type,cargo_data, tooltip_msg);
+	if (accepted) 
+	{
+		mDragAndDropTarget = TRUE;
+		*accept = ACCEPT_YES_MULTI;
+	}
+	else 
+	{
+		*accept = ACCEPT_NO;
+	}
+
+	// drag and drop to child item, so clear pending auto-opens
+	getRoot()->autoOpenTest(NULL);
+
+	return TRUE;
+}
+
+void LLFolderViewFolder::openItem( void )
+{
+	toggleOpen();
+}
+
+void LLFolderViewFolder::applyFunctorToChildren(LLFolderViewFunctor& functor)
+{
+	for (folders_t::iterator iter = mFolders.begin();
+		iter != mFolders.end();)
+	{
+		folders_t::iterator fit = iter++;
+		functor.doItem((*fit));
+	}
+	for (items_t::iterator iter = mItems.begin();
+		iter != mItems.end();)
+	{
+		items_t::iterator iit = iter++;
+		functor.doItem((*iit));
+	}
+}
+
+void LLFolderViewFolder::applyFunctorRecursively(LLFolderViewFunctor& functor)
+{
+	functor.doFolder(this);
+
+	for (folders_t::iterator iter = mFolders.begin();
+		iter != mFolders.end();)
+	{
+		folders_t::iterator fit = iter++;
+		(*fit)->applyFunctorRecursively(functor);
+	}
+	for (items_t::iterator iter = mItems.begin();
+		iter != mItems.end();)
+	{
+		items_t::iterator iit = iter++;
+		functor.doItem((*iit));
+	}
+}
+
+// LLView functionality
+BOOL LLFolderViewFolder::handleDragAndDrop(S32 x, S32 y, MASK mask,
+										   BOOL drop,
+										   EDragAndDropType cargo_type,
+										   void* cargo_data,
+										   EAcceptance* accept,
+										   std::string& tooltip_msg)
+{
+	BOOL handled = FALSE;
+
+	if (isOpen())
+	{
+		handled = (childrenHandleDragAndDrop(x, y, mask, drop, cargo_type, cargo_data, accept, tooltip_msg) != NULL);
+	}
+
+	if (!handled)
+	{
+		handleDragAndDropToThisFolder(mask, drop, cargo_type, cargo_data, accept, tooltip_msg);
+
+		lldebugst(LLERR_USER_INPUT) << "dragAndDrop handled by LLFolderViewFolder" << llendl;
+	}
+
+	return TRUE;
+}
+
+BOOL LLFolderViewFolder::handleDragAndDropToThisFolder(MASK mask,
+													   BOOL drop,
+													   EDragAndDropType cargo_type,
+													   void* cargo_data,
+													   EAcceptance* accept,
+													   std::string& tooltip_msg)
+{
+	BOOL accepted = getViewModelItem()->dragOrDrop(mask,drop,cargo_type,cargo_data, tooltip_msg);
+	
+	if (accepted) 
+	{
+		mDragAndDropTarget = TRUE;
+		*accept = ACCEPT_YES_MULTI;
+	}
+	else 
+	{
+		*accept = ACCEPT_NO;
+	}
+	
+	if (!drop && accepted)
+	{
+		getRoot()->autoOpenTest(this);
+	}
+	
+	return TRUE;
+}
+
+
+BOOL LLFolderViewFolder::handleRightMouseDown( S32 x, S32 y, MASK mask )
+{
+	BOOL handled = FALSE;
+
+	if( isOpen() )
+	{
+		handled = childrenHandleRightMouseDown( x, y, mask ) != NULL;
+	}
+	if (!handled)
+	{
+		handled = LLFolderViewItem::handleRightMouseDown( x, y, mask );
+	}
+	return handled;
+}
+
+
+BOOL LLFolderViewFolder::handleHover(S32 x, S32 y, MASK mask)
+{
+	mIsMouseOverTitle = (y > (getRect().getHeight() - mItemHeight));
+
+	BOOL handled = LLView::handleHover(x, y, mask);
+
+	if (!handled)
+	{
+		// this doesn't do child processing
+		handled = LLFolderViewItem::handleHover(x, y, mask);
+	}
+
+	return handled;
+}
+
+BOOL LLFolderViewFolder::handleMouseDown( S32 x, S32 y, MASK mask )
+{
+	BOOL handled = FALSE;
+	if( isOpen() )
+	{
+		handled = childrenHandleMouseDown(x,y,mask) != NULL;
+	}
+	if( !handled )
+	{
+		if(mIndentation < x && x < mIndentation + (isCollapsed() ? 0 : mArrowSize) + mTextPad)
+		{
+			toggleOpen();
+			handled = TRUE;
+		}
+		else
+		{
+			// do normal selection logic
+			handled = LLFolderViewItem::handleMouseDown(x, y, mask);
+		}
+	}
+
+	return handled;
+}
+
+BOOL LLFolderViewFolder::handleDoubleClick( S32 x, S32 y, MASK mask )
+{
+	BOOL handled = FALSE;
+	if( isOpen() )
+	{
+		handled = childrenHandleDoubleClick( x, y, mask ) != NULL;
+	}
+	if( !handled )
+	{
+		if(mIndentation < x && x < mIndentation + (isCollapsed() ? 0 : mArrowSize) + mTextPad)
+		{
+			// don't select when user double-clicks plus sign
+			// so as not to contradict single-click behavior
+			toggleOpen();
+		}
+		else
+		{
+			getRoot()->setSelection(this, FALSE);
+			toggleOpen();
+		}
+		handled = TRUE;
+	}
+	return handled;
+}
+
+void LLFolderViewFolder::draw()
+{
+	updateLabelRotation();
+
+	LLFolderViewItem::draw();
+
+	// draw children if root folder, or any other folder that is open or animating to closed state
+	if( getRoot() == this || (isOpen() || mCurHeight != mTargetHeight ))
+	{
+		LLView::draw();
+	}
+
+	mExpanderHighlighted = FALSE;
+}
+
+// this does prefix traversal, as folders are listed above their contents
+LLFolderViewItem* LLFolderViewFolder::getNextFromChild( LLFolderViewItem* item, BOOL include_children )
+{
+	BOOL found_item = FALSE;
+
+	LLFolderViewItem* result = NULL;
+	// when not starting from a given item, start at beginning
+	if(item == NULL)
+	{
+		found_item = TRUE;
+	}
+
+	// find current item among children
+	folders_t::iterator fit = mFolders.begin();
+	folders_t::iterator fend = mFolders.end();
+
+	items_t::iterator iit = mItems.begin();
+	items_t::iterator iend = mItems.end();
+
+	// if not trivially starting at the beginning, we have to find the current item
+	if (!found_item)
+	{
+		// first, look among folders, since they are always above items
+		for(; fit != fend; ++fit)
+		{
+			if(item == (*fit))
+			{
+				found_item = TRUE;
+				// if we are on downwards traversal
+				if (include_children && (*fit)->isOpen())
+				{
+					// look for first descendant
+					return (*fit)->getNextFromChild(NULL, TRUE);
+				}
+				// otherwise advance to next folder
+				++fit;
+				include_children = TRUE;
+				break;
+			}
+		}
+
+		// didn't find in folders?  Check items...
+		if (!found_item)
+		{
+			for(; iit != iend; ++iit)
+			{
+				if(item == (*iit))
+				{
+					found_item = TRUE;
+					// point to next item
+					++iit;
+					break;
+				}
+			}
+		}
+	}
+
+	if (!found_item)
+	{
+		// you should never call this method with an item that isn't a child
+		// so we should always find something
+		llassert(FALSE);
+		return NULL;
+	}
+
+	// at this point, either iit or fit point to a candidate "next" item
+	// if both are out of range, we need to punt up to our parent
+
+	// now, starting from found folder, continue through folders
+	// searching for next visible folder
+	while(fit != fend && !(*fit)->getVisible())
+	{
+		// turn on downwards traversal for next folder
+		++fit;
+	} 
+
+	if (fit != fend)
+	{
+		result = (*fit);
+	}
+	else
+	{
+		// otherwise, scan for next visible item
+		while(iit != iend && !(*iit)->getVisible())
+		{
+			++iit;
+		} 
+
+		// check to see if we have a valid item
+		if (iit != iend)
+		{
+			result = (*iit);
+		}
+	}
+
+	if( !result && mParentFolder )
+	{
+		// If there are no siblings or children to go to, recurse up one level in the tree
+		// and skip children for this folder, as we've already discounted them
+		result = mParentFolder->getNextFromChild(this, FALSE);
+	}
+
+	return result;
+}
+
+// this does postfix traversal, as folders are listed above their contents
+LLFolderViewItem* LLFolderViewFolder::getPreviousFromChild( LLFolderViewItem* item, BOOL include_children )
+{
+	BOOL found_item = FALSE;
+
+	LLFolderViewItem* result = NULL;
+	// when not starting from a given item, start at end
+	if(item == NULL)
+	{
+		found_item = TRUE;
+	}
+
+	// find current item among children
+	folders_t::reverse_iterator fit = mFolders.rbegin();
+	folders_t::reverse_iterator fend = mFolders.rend();
+
+	items_t::reverse_iterator iit = mItems.rbegin();
+	items_t::reverse_iterator iend = mItems.rend();
+
+	// if not trivially starting at the end, we have to find the current item
+	if (!found_item)
+	{
+		// first, look among items, since they are always below the folders
+		for(; iit != iend; ++iit)
+		{
+			if(item == (*iit))
+			{
+				found_item = TRUE;
+				// point to next item
+				++iit;
+				break;
+			}
+		}
+
+		// didn't find in items?  Check folders...
+		if (!found_item)
+		{
+			for(; fit != fend; ++fit)
+			{
+				if(item == (*fit))
+				{
+					found_item = TRUE;
+					// point to next folder
+					++fit;
+					break;
+				}
+			}
+		}
+	}
+
+	if (!found_item)
+	{
+		// you should never call this method with an item that isn't a child
+		// so we should always find something
+		llassert(FALSE);
+		return NULL;
+	}
+
+	// at this point, either iit or fit point to a candidate "next" item
+	// if both are out of range, we need to punt up to our parent
+
+	// now, starting from found item, continue through items
+	// searching for next visible item
+	while(iit != iend && !(*iit)->getVisible())
+	{
+		++iit;
+	} 
+
+	if (iit != iend)
+	{
+		// we found an appropriate item
+		result = (*iit);
+	}
+	else
+	{
+		// otherwise, scan for next visible folder
+		while(fit != fend && !(*fit)->getVisible())
+		{
+			++fit;
+		} 
+
+		// check to see if we have a valid folder
+		if (fit != fend)
+		{
+			// try selecting child element of this folder
+			if ((*fit)->isOpen() && include_children)
+			{
+				result = (*fit)->getPreviousFromChild(NULL);
+			}
+			else
+			{
+				result = (*fit);
+			}
+		}
+	}
+
+	if( !result )
+	{
+		// If there are no siblings or children to go to, recurse up one level in the tree
+		// which gets back to this folder, which will only be visited if it is a valid, visible item
+		result = this;
+	}
+
+	return result;
+}
+
diff --git a/indra/llui/llfolderviewitem.h b/indra/llui/llfolderviewitem.h
new file mode 100644
index 0000000000..a9b0201236
--- /dev/null
+++ b/indra/llui/llfolderviewitem.h
@@ -0,0 +1,457 @@
+/** 
+* @file llfolderviewitem.h
+* @brief Items and folders that can appear in a hierarchical folder view
+*
+* $LicenseInfo:firstyear=2001&license=viewerlgpl$
+* Second Life Viewer Source Code
+* Copyright (C) 2010, Linden Research, Inc.
+* 
+* This library is free software; you can redistribute it and/or
+* modify it under the terms of the GNU Lesser General Public
+* License as published by the Free Software Foundation;
+* version 2.1 of the License only.
+* 
+* This library is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+* Lesser General Public License for more details.
+* 
+* You should have received a copy of the GNU Lesser General Public
+* License along with this library; if not, write to the Free Software
+* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+* 
+* Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+* $/LicenseInfo$
+*/
+#ifndef LLFOLDERVIEWITEM_H
+#define LLFOLDERVIEWITEM_H
+
+#include "llflashtimer.h"
+#include "llview.h"
+#include "lluiimage.h"
+
+class LLFolderView;
+class LLFolderViewModelItem;
+class LLFolderViewFolder;
+class LLFolderViewFunctor;
+class LLFolderViewFilter;
+class LLFolderViewModelInterface;
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+// Class LLFolderViewItem
+//
+// An instance of this class represents a single item in a folder view
+// such as an inventory item or a file.
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+class LLFolderViewItem : public LLView
+{
+public:
+	struct Params : public LLInitParam::Block<Params, LLView::Params>
+	{
+		Optional<LLUIImage*>						folder_arrow_image,
+													selection_image;
+		Mandatory<LLFolderView*>					root;
+		Mandatory<LLFolderViewModelItem*>			listener;
+
+		Optional<S32>								folder_indentation, // pixels
+													item_height,
+													item_top_pad;
+
+		Optional<time_t>							creation_date;
+		Optional<bool>								allow_open;
+
+		Optional<LLUIColor>                         font_color;
+		Optional<LLUIColor>                         font_highlight_color;
+		
+        Optional<S32>                               left_pad,
+                                                    icon_pad,
+                                                    icon_width,
+                                                    text_pad,
+                                                    text_pad_right,
+                                                    arrow_size,
+                                                    max_folder_item_overlap;
+		Params();
+	};
+
+
+	static const S32    DEFAULT_LABEL_PADDING_RIGHT = 4;
+	// animation parameters
+	static const F32	FOLDER_CLOSE_TIME_CONSTANT,
+						FOLDER_OPEN_TIME_CONSTANT;
+
+protected:
+	friend class LLUICtrlFactory;
+	friend class LLFolderViewModelItem;
+
+	LLFolderViewItem(const Params& p);
+
+	std::string					mLabel;
+	S32							mLabelWidth;
+	bool						mLabelWidthDirty;
+    S32                         mLabelPaddingRight;
+	LLFolderViewFolder*			mParentFolder;
+	LLPointer<LLFolderViewModelItem> mViewModelItem;
+	LLFontGL::StyleFlags		mLabelStyle;
+	std::string					mLabelSuffix;
+	LLUIImagePtr				mIcon,
+								mIconOpen,
+								mIconOverlay;
+    S32                         mLocalIndentation;
+	S32							mIndentation;
+	S32							mItemHeight;
+	S32							mDragStartX,
+								mDragStartY;
+
+    S32                         mLeftPad,
+                                mIconPad,
+                                mIconWidth,
+                                mTextPad,
+                                mTextPadRight,
+                                mArrowSize,
+                                mMaxFolderItemOverlap;
+
+	F32							mControlLabelRotation;
+	LLFolderView*				mRoot;
+	bool						mHasVisibleChildren,
+								mIsCurSelection,
+								mDragAndDropTarget,
+								mIsMouseOverTitle,
+								mAllowOpen,
+								mSelectPending;
+	
+	LLUIColor                   mFontColor;
+	LLUIColor                   mFontHighlightColor;
+
+	// For now assuming all colors are the same in derived classes.
+	static bool                 sColorSetInitialized;
+	static LLUIColor			sFgColor;
+	static LLUIColor			sFgDisabledColor;
+	static LLUIColor			sHighlightBgColor;
+	static LLUIColor			sFlashBgColor;
+	static LLUIColor			sFocusOutlineColor;
+	static LLUIColor			sMouseOverColor;
+	static LLUIColor			sFilterBGColor;
+	static LLUIColor			sFilterTextColor;
+	static LLUIColor			sSuffixColor;
+	static LLUIColor			sSearchStatusColor;
+
+	// this is an internal method used for adding items to folders. A
+	// no-op at this level, but reimplemented in derived classes.
+	virtual void addItem(LLFolderViewItem*) { }
+	virtual void addFolder(LLFolderViewFolder*) { }
+	virtual bool isHighlightAllowed();
+	virtual bool isHighlightActive();
+	virtual bool isFlashing() { return false; }
+	virtual void setFlashState(bool) { }
+
+	static LLFontGL* getLabelFontForStyle(U8 style);
+
+	BOOL						mIsSelected;
+
+public:
+	static void initClass();
+	static void cleanupClass();
+
+	BOOL postBuild();
+
+	virtual void openItem( void );
+
+	void arrangeAndSet(BOOL set_selection, BOOL take_keyboard_focus);
+
+	virtual ~LLFolderViewItem( void );
+
+	// addToFolder() returns TRUE if it succeeds. FALSE otherwise
+	virtual void addToFolder(LLFolderViewFolder* folder);
+
+	// Finds width and height of this object and it's children.  Also
+	// makes sure that this view and it's children are the right size.
+	virtual S32 arrange( S32* width, S32* height );
+	virtual S32 getItemHeight();
+    virtual S32 getLabelXPos();
+    S32 getIconPad();
+    S32 getTextPad();
+
+	// If 'selection' is 'this' then note that otherwise ignore.
+	// Returns TRUE if this item ends up being selected.
+	virtual BOOL setSelection(LLFolderViewItem* selection, BOOL openitem, BOOL take_keyboard_focus);
+
+	// This method is used to set the selection state of an item.
+	// If 'selection' is 'this' then note selection.
+	// Returns TRUE if the selection state of this item was changed.
+	virtual BOOL changeSelection(LLFolderViewItem* selection, BOOL selected);
+
+	// this method is used to deselect this element
+	void deselectItem();
+
+	// this method is used to select this element
+	virtual void selectItem();
+
+	// gets multiple-element selection
+	virtual std::set<LLFolderViewItem*> getSelectionList() const;
+
+	// Returns true is this object and all of its children can be removed (deleted by user)
+	virtual BOOL isRemovable();
+
+	// Returns true is this object and all of its children can be moved
+	virtual BOOL isMovable();
+
+	// destroys this item recursively
+	virtual void destroyView();
+
+	BOOL isSelected() const { return mIsSelected; }
+	bool isInSelection() const;
+
+	void setUnselected() { mIsSelected = FALSE; }
+
+	void setIsCurSelection(BOOL select) { mIsCurSelection = select; }
+
+	BOOL getIsCurSelection() { return mIsCurSelection; }
+
+	BOOL hasVisibleChildren() { return mHasVisibleChildren; }
+
+	// Call through to the viewed object and return true if it can be
+	// removed. Returns true if it's removed.
+	//virtual BOOL removeRecursively(BOOL single_item);
+	BOOL remove();
+
+	// Build an appropriate context menu for the item.	Flags unused.
+	void buildContextMenu(class LLMenuGL& menu, U32 flags);
+
+	// This method returns the actual name of the thing being
+	// viewed. This method will ask the viewed object itself.
+	const std::string& getName( void ) const;
+
+	// This method returns the label displayed on the view. This
+	// method was primarily added to allow sorting on the folder
+	// contents possible before the entire view has been constructed.
+	const std::string& getLabel() const { return mLabel; }
+
+	LLFolderViewFolder* getParentFolder( void ) { return mParentFolder; }
+	const LLFolderViewFolder* getParentFolder( void ) const { return mParentFolder; }
+
+	void setParentFolder(LLFolderViewFolder* parent) { mParentFolder = parent; }
+
+	LLFolderViewItem* getNextOpenNode( BOOL include_children = TRUE );
+	LLFolderViewItem* getPreviousOpenNode( BOOL include_children = TRUE );
+
+	const LLFolderViewModelItem* getViewModelItem( void ) const { return mViewModelItem; }
+	LLFolderViewModelItem* getViewModelItem( void ) { return mViewModelItem; }
+
+	const LLFolderViewModelInterface* getFolderViewModel( void ) const;
+	LLFolderViewModelInterface* getFolderViewModel( void );
+
+	// just rename the object.
+	void rename(const std::string& new_name);
+
+	// Show children
+	virtual void setOpen(BOOL open = TRUE) {};
+	virtual BOOL isOpen() const { return FALSE; }
+
+	virtual LLFolderView*	getRoot();
+	virtual const LLFolderView*	getRoot() const;
+	BOOL			isDescendantOf( const LLFolderViewFolder* potential_ancestor );
+	S32				getIndentation() { return mIndentation; }
+
+	virtual BOOL	passedFilter(S32 filter_generation = -1);
+
+	// refresh information from the object being viewed.
+	virtual void refresh();
+
+	// LLView functionality
+	virtual BOOL handleRightMouseDown( S32 x, S32 y, MASK mask );
+	virtual BOOL handleMouseDown( S32 x, S32 y, MASK mask );
+	virtual BOOL handleHover( S32 x, S32 y, MASK mask );
+	virtual BOOL handleMouseUp( S32 x, S32 y, MASK mask );
+	virtual BOOL handleDoubleClick( S32 x, S32 y, MASK mask );
+
+	virtual void onMouseLeave(S32 x, S32 y, MASK mask);
+
+	//virtual LLView* findChildView(const std::string& name, BOOL recurse) const { return LLView::findChildView(name, recurse); }
+
+	//	virtual void handleDropped();
+	virtual void draw();
+	void drawOpenFolderArrow(const Params& default_params, const LLUIColor& fg_color);
+    void drawHighlight(const BOOL showContent, const BOOL hasKeyboardFocus, const LLUIColor &selectColor, const LLUIColor &flashColor, const LLUIColor &outlineColor, const LLUIColor &mouseOverColor);
+    void drawLabel(const LLFontGL * font, const F32 x, const F32 y, const LLColor4& color, F32 &right_x);
+	virtual BOOL handleDragAndDrop(S32 x, S32 y, MASK mask, BOOL drop,
+									EDragAndDropType cargo_type,
+									void* cargo_data,
+									EAcceptance* accept,
+									std::string& tooltip_msg);
+
+private:
+	static std::map<U8, LLFontGL*> sFonts; // map of styles to fonts
+};
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+// Class LLFolderViewFolder
+//
+// An instance of an LLFolderViewFolder represents a collection of
+// more folders and items. This is used to build the hierarchy of
+// items found in the folder view.
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+class LLFolderViewFolder : public LLFolderViewItem
+{
+protected:
+	LLFolderViewFolder( const LLFolderViewItem::Params& );
+	friend class LLUICtrlFactory;
+
+	void updateLabelRotation();
+	virtual bool isCollapsed() { return FALSE; }
+
+public:
+	typedef std::list<LLFolderViewItem*> items_t;
+	typedef std::list<LLFolderViewFolder*> folders_t;
+
+protected:
+	items_t mItems;
+	folders_t mFolders;
+
+	BOOL		mIsOpen;
+	BOOL		mExpanderHighlighted;
+	F32			mCurHeight;
+	F32			mTargetHeight;
+	F32			mAutoOpenCountdown;
+	S32			mLastArrangeGeneration;
+	S32			mLastCalculatedWidth;
+	bool		mNeedsSort;
+
+public:
+	typedef enum e_recurse_type
+	{
+		RECURSE_NO,
+		RECURSE_UP,
+		RECURSE_DOWN,
+		RECURSE_UP_DOWN
+	} ERecurseType;
+
+
+	virtual ~LLFolderViewFolder( void );
+
+	LLFolderViewItem* getNextFromChild( LLFolderViewItem*, BOOL include_children = TRUE );
+	LLFolderViewItem* getPreviousFromChild( LLFolderViewItem*, BOOL include_children = TRUE  );
+
+	// addToFolder() returns TRUE if it succeeds. FALSE otherwise
+	virtual void addToFolder(LLFolderViewFolder* folder);
+
+	// Finds width and height of this object and it's children.  Also
+	// makes sure that this view and it's children are the right size.
+	virtual S32 arrange( S32* width, S32* height );
+
+	BOOL needsArrange();
+
+	bool descendantsPassedFilter(S32 filter_generation = -1);
+
+	// Passes selection information on to children and record
+	// selection information if necessary.
+	// Returns TRUE if this object (or a child) ends up being selected.
+	// If 'openitem' is TRUE then folders are opened up along the way to the selection.
+	virtual BOOL setSelection(LLFolderViewItem* selection, BOOL openitem, BOOL take_keyboard_focus = TRUE);
+
+	// This method is used to change the selection of an item.
+	// Recursively traverse all children; if 'selection' is 'this' then change
+	// the select status if necessary.
+	// Returns TRUE if the selection state of this folder, or of a child, was changed.
+	virtual BOOL changeSelection(LLFolderViewItem* selection, BOOL selected);
+
+	// this method is used to group select items
+	void extendSelectionTo(LLFolderViewItem* selection);
+
+	// Returns true is this object and all of its children can be removed.
+	virtual BOOL isRemovable();
+
+	// Returns true is this object and all of its children can be moved
+	virtual BOOL isMovable();
+
+	// destroys this folder, and all children
+	virtual void destroyView();
+
+	// extractItem() removes the specified item from the folder, but
+	// doesn't delete it.
+	virtual void extractItem( LLFolderViewItem* item );
+
+	// This function is called by a child that needs to be resorted.
+	void resort(LLFolderViewItem* item);
+
+	void setAutoOpenCountdown(F32 countdown) { mAutoOpenCountdown = countdown; }
+
+	// folders can be opened. This will usually be called by internal
+	// methods.
+	virtual void toggleOpen();
+
+	// Force a folder open or closed
+	virtual void setOpen(BOOL openitem = TRUE);
+
+	// Called when a child is refreshed.
+	virtual void requestArrange();
+
+	// internal method which doesn't update the entire view. This
+	// method was written because the list iterators destroy the state
+	// of other iterations, thus, we can't arrange while iterating
+	// through the children (such as when setting which is selected.
+	virtual void setOpenArrangeRecursively(BOOL openitem, ERecurseType recurse = RECURSE_NO);
+
+	// Get the current state of the folder.
+	virtual BOOL isOpen() const { return mIsOpen; }
+
+	// special case if an object is dropped on the child.
+	BOOL handleDragAndDropFromChild(MASK mask,
+									BOOL drop,
+									EDragAndDropType cargo_type,
+									void* cargo_data,
+									EAcceptance* accept,
+									std::string& tooltip_msg);
+
+
+	// Just apply this functor to the folder's immediate children.
+	void applyFunctorToChildren(LLFolderViewFunctor& functor);
+	// apply this functor to the folder's descendants.
+	void applyFunctorRecursively(LLFolderViewFunctor& functor);
+
+	virtual void openItem( void );
+
+	// LLView functionality
+	virtual BOOL handleHover(S32 x, S32 y, MASK mask);
+	virtual BOOL handleRightMouseDown( S32 x, S32 y, MASK mask );
+	virtual BOOL handleMouseDown( S32 x, S32 y, MASK mask );
+	virtual BOOL handleDoubleClick( S32 x, S32 y, MASK mask );
+	virtual BOOL handleDragAndDrop(S32 x, S32 y, MASK mask, 
+									BOOL drop,
+									EDragAndDropType cargo_type,
+									void* cargo_data,
+									EAcceptance* accept,
+									std::string& tooltip_msg);
+	BOOL handleDragAndDropToThisFolder(MASK mask, 
+										BOOL drop,
+									   EDragAndDropType cargo_type,
+									   void* cargo_data,
+									   EAcceptance* accept,
+									   std::string& tooltip_msg);
+	virtual void draw();
+
+	folders_t::iterator getFoldersBegin() { return mFolders.begin(); }
+	folders_t::iterator getFoldersEnd() { return mFolders.end(); }
+	folders_t::size_type getFoldersCount() const { return mFolders.size(); }
+
+	items_t::const_iterator getItemsBegin() const { return mItems.begin(); }
+	items_t::const_iterator getItemsEnd() const { return mItems.end(); }
+	items_t::size_type getItemsCount() const { return mItems.size(); }
+
+	LLFolderViewFolder* getCommonAncestor(LLFolderViewItem* item_a, LLFolderViewItem* item_b, bool& reverse);
+	void gatherChildRangeExclusive(LLFolderViewItem* start, LLFolderViewItem* end, bool reverse,  std::vector<LLFolderViewItem*>& items);
+
+	// internal functions for tracking folders and items separately
+	// use addToFolder() virtual method to ensure folders are always added to mFolders
+	// and not mItems
+	void addItem(LLFolderViewItem* item);
+	void addFolder( LLFolderViewFolder* folder);
+
+	//WARNING: do not call directly...use the appropriate LLFolderViewModel-derived class instead
+	template<typename SORT_FUNC> void sortFolders(const SORT_FUNC& func) { mFolders.sort(func); }
+	template<typename SORT_FUNC> void sortItems(const SORT_FUNC& func) { mItems.sort(func); }
+};
+
+
+#endif  // LLFOLDERVIEWITEM_H
diff --git a/indra/llui/llfolderviewmodel.cpp b/indra/llui/llfolderviewmodel.cpp
new file mode 100755
index 0000000000..3363dc5316
--- /dev/null
+++ b/indra/llui/llfolderviewmodel.cpp
@@ -0,0 +1,68 @@
+/** 
+ * @file llfolderviewmodel.cpp
+ * @brief Implementation of the view model collection of classes.
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#include "linden_common.h"
+
+#include "llfolderviewmodel.h"
+#include "lltrans.h"
+
+bool LLFolderViewModelCommon::needsSort(LLFolderViewModelItem* item)
+{
+	return item->getSortVersion() < mTargetSortVersion;
+}
+
+std::string LLFolderViewModelCommon::getStatusText()
+{
+	if (!contentsReady() || mFolderView->getViewModelItem()->getLastFilterGeneration() < getFilter().getCurrentGeneration())
+	{
+		return LLTrans::getString("Searching");
+	}
+	else
+	{
+		return getFilter().getEmptyLookupMessage();
+	}
+}
+
+void LLFolderViewModelCommon::filter()
+{
+    getFilter().resetTime(llclamp(LLUI::sSettingGroups["config"]->getS32("FilterItemsMaxTimePerFrameVisible"), 1, 100));
+	mFolderView->getViewModelItem()->filter(getFilter());
+}
+
+bool LLFolderViewModelItemCommon::hasFilterStringMatch()
+{
+	return mStringMatchOffsetFilter != std::string::npos;
+}
+
+std::string::size_type LLFolderViewModelItemCommon::getFilterStringOffset()
+{
+	return mStringMatchOffsetFilter;
+}
+
+std::string::size_type LLFolderViewModelItemCommon::getFilterStringSize()
+{
+	return mRootViewModel.getFilter().getFilterStringSize();
+}
diff --git a/indra/llui/llfolderviewmodel.h b/indra/llui/llfolderviewmodel.h
new file mode 100755
index 0000000000..b1bcc8bbb4
--- /dev/null
+++ b/indra/llui/llfolderviewmodel.h
@@ -0,0 +1,445 @@
+/** 
+ * @file llfolderviewmodel.h
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+#ifndef LLFOLDERVIEWMODEL_H
+#define LLFOLDERVIEWMODEL_H
+
+#include "llfontgl.h"	// just for StyleFlags enum
+#include "llfolderview.h"
+
+// These are grouping of inventory types.
+// Order matters when sorting system folders to the top.
+enum EInventorySortGroup
+{
+	SG_SYSTEM_FOLDER,
+	SG_TRASH_FOLDER,
+	SG_NORMAL_FOLDER,
+	SG_ITEM
+};
+
+class LLFontGL;
+class LLInventoryModel;
+class LLMenuGL;
+class LLUIImage;
+class LLUUID;
+class LLFolderViewItem;
+class LLFolderViewFolder;
+
+class LLFolderViewFilter
+{
+public:
+	enum EFilterModified
+	{
+		FILTER_NONE,				// nothing to do, already filtered
+		FILTER_RESTART,				// restart filtering from scratch
+		FILTER_LESS_RESTRICTIVE,	// existing filtered items will certainly pass this filter
+		FILTER_MORE_RESTRICTIVE		// if you didn't pass the previous filter, you definitely won't pass this one
+	};
+
+public:
+
+	LLFolderViewFilter() {}
+	virtual ~LLFolderViewFilter() {}
+
+	// +-------------------------------------------------------------------+
+	// + Execution And Results
+	// +-------------------------------------------------------------------+
+	virtual bool 				check(const LLFolderViewModelItem* item) = 0;
+	virtual bool				checkFolder(const LLFolderViewModelItem* folder) const = 0;
+
+	virtual void 				setEmptyLookupMessage(const std::string& message) = 0;
+	virtual std::string			getEmptyLookupMessage() const = 0;
+
+	virtual bool				showAllResults() const = 0;
+
+	virtual std::string::size_type getStringMatchOffset(LLFolderViewModelItem* item) const = 0;
+	virtual std::string::size_type getFilterStringSize() const = 0;
+	// +-------------------------------------------------------------------+
+	// + Status
+	// +-------------------------------------------------------------------+
+	virtual bool 				isActive() const = 0;
+	virtual bool 				isModified() const = 0;
+	virtual void 				clearModified() = 0;
+	virtual const std::string& 	getName() const = 0;
+	virtual const std::string& 	getFilterText() = 0;
+	//RN: this is public to allow system to externally force a global refilter
+	virtual void 				setModified(EFilterModified behavior = FILTER_RESTART) = 0;
+
+	// +-------------------------------------------------------------------+
+	// + Time
+	// +-------------------------------------------------------------------+
+	virtual void 				resetTime(S32 timeout) = 0;
+    virtual bool                isTimedOut() = 0;
+    
+	// +-------------------------------------------------------------------+
+	// + Default
+	// +-------------------------------------------------------------------+
+	virtual bool 				isDefault() const = 0;
+	virtual bool 				isNotDefault() const = 0;
+	virtual void 				markDefault() = 0;
+	virtual void 				resetDefault() = 0;
+
+	// +-------------------------------------------------------------------+
+	// + Generation
+	// +-------------------------------------------------------------------+
+	virtual S32 				getCurrentGeneration() const = 0;
+	virtual S32 				getFirstSuccessGeneration() const = 0;
+	virtual S32 				getFirstRequiredGeneration() const = 0;
+};
+
+class LLFolderViewModelInterface
+{
+public:
+	virtual ~LLFolderViewModelInterface() {}
+	virtual void requestSortAll() = 0;
+
+	virtual void sort(class LLFolderViewFolder*) = 0;
+	virtual void filter() = 0;
+
+	virtual bool contentsReady() = 0;
+	virtual void setFolderView(LLFolderView* folder_view) = 0;
+	virtual LLFolderViewFilter& getFilter() = 0;
+	virtual const LLFolderViewFilter& getFilter() const = 0;
+	virtual std::string getStatusText() = 0;
+
+	virtual bool startDrag(std::vector<LLFolderViewModelItem*>& items) = 0;
+};
+
+// This is an abstract base class that users of the folderview classes
+// would use to bridge the folder view with the underlying data
+class LLFolderViewModelItem : public LLRefCount
+{
+public:
+	LLFolderViewModelItem() { }
+	virtual ~LLFolderViewModelItem() { }
+
+	virtual void update() {}	//called when drawing
+	virtual const std::string& getName() const = 0;
+	virtual const std::string& getDisplayName() const = 0;
+	virtual const std::string& getSearchableName() const = 0;
+
+	virtual LLPointer<LLUIImage> getIcon() const = 0;
+	virtual LLPointer<LLUIImage> getIconOpen() const { return getIcon(); }
+	virtual LLPointer<LLUIImage> getIconOverlay() const { return NULL; }
+
+	virtual LLFontGL::StyleFlags getLabelStyle() const = 0;
+	virtual std::string getLabelSuffix() const = 0;
+
+	virtual void openItem( void ) = 0;
+	virtual void closeItem( void ) = 0;
+	virtual void selectItem(void) = 0;
+
+	virtual BOOL isItemRenameable() const = 0;
+	virtual BOOL renameItem(const std::string& new_name) = 0;
+
+	virtual BOOL isItemMovable( void ) const = 0;		// Can be moved to another folder
+	virtual void move( LLFolderViewModelItem* parent_listener ) = 0;
+
+	virtual BOOL isItemRemovable( void ) const = 0;		// Can be destroyed
+	virtual BOOL removeItem() = 0;
+	virtual void removeBatch(std::vector<LLFolderViewModelItem*>& batch) = 0;
+
+	virtual BOOL isItemCopyable() const = 0;
+	virtual BOOL copyToClipboard() const = 0;
+	virtual BOOL cutToClipboard() const = 0;
+
+	virtual BOOL isClipboardPasteable() const = 0;
+	virtual void pasteFromClipboard() = 0;
+	virtual void pasteLinkFromClipboard() = 0;
+
+	virtual void buildContextMenu(LLMenuGL& menu, U32 flags) = 0;
+	
+	virtual bool potentiallyVisible() = 0; // is the item definitely visible or we haven't made up our minds yet?
+
+	virtual bool filter( LLFolderViewFilter& filter) = 0;
+	virtual bool passedFilter(S32 filter_generation = -1) = 0;
+	virtual bool descendantsPassedFilter(S32 filter_generation = -1) = 0;
+	virtual void setPassedFilter(bool passed, S32 filter_generation, std::string::size_type string_offset = std::string::npos, std::string::size_type string_size = 0) = 0;
+	virtual void setPassedFolderFilter(bool passed, S32 filter_generation) = 0;
+	virtual void dirtyFilter() = 0;
+	virtual bool hasFilterStringMatch() = 0;
+	virtual std::string::size_type getFilterStringOffset() = 0;
+	virtual std::string::size_type getFilterStringSize() = 0;
+
+	virtual S32	getLastFilterGeneration() const = 0;
+
+	virtual bool hasChildren() const = 0;
+	virtual void addChild(LLFolderViewModelItem* child) = 0;
+	virtual void removeChild(LLFolderViewModelItem* child) = 0;
+
+	// This method will be called to determine if a drop can be
+	// performed, and will set drop to TRUE if a drop is
+	// requested. Returns TRUE if a drop is possible/happened,
+	// otherwise FALSE.
+	virtual BOOL dragOrDrop(MASK mask, BOOL drop,
+							EDragAndDropType cargo_type,
+							void* cargo_data,
+							std::string& tooltip_msg) = 0;
+
+	virtual void requestSort() = 0;
+	virtual S32 getSortVersion() = 0;
+	virtual void setSortVersion(S32 version) = 0;
+	virtual void setParent(LLFolderViewModelItem* parent) = 0;
+	virtual bool hasParent() = 0;
+
+protected:
+
+	friend class LLFolderViewItem;
+	virtual void setFolderViewItem(LLFolderViewItem* folder_view_item) = 0;
+
+};
+
+
+class LLFolderViewModelItemCommon : public LLFolderViewModelItem
+{
+public:
+	LLFolderViewModelItemCommon(LLFolderViewModelInterface& root_view_model)
+	:	mSortVersion(-1),
+		mPassedFilter(true),
+		mPassedFolderFilter(true),
+		mStringMatchOffsetFilter(std::string::npos),
+		mStringFilterSize(0),
+		mFolderViewItem(NULL),
+		mLastFilterGeneration(-1),
+		mLastFolderFilterGeneration(-1),
+		mMostFilteredDescendantGeneration(-1),
+		mParent(NULL),
+		mRootViewModel(root_view_model)
+	{
+		mChildren.clear();
+	}
+
+	void requestSort() { mSortVersion = -1; }
+	S32 getSortVersion() { return mSortVersion; }
+	void setSortVersion(S32 version) { mSortVersion = version;}
+
+	S32	getLastFilterGeneration() const { return mLastFilterGeneration; }
+	S32	getLastFolderFilterGeneration() const { return mLastFolderFilterGeneration; }
+	void dirtyFilter()
+	{
+		mLastFilterGeneration = -1;
+		mLastFolderFilterGeneration = -1;
+
+		// bubble up dirty flag all the way to root
+		if (mParent)
+		{
+			mParent->dirtyFilter();
+		}	
+	}
+	bool hasFilterStringMatch();
+	std::string::size_type getFilterStringOffset();
+	std::string::size_type getFilterStringSize();
+	
+	typedef std::list<LLFolderViewModelItem*> child_list_t;
+
+	virtual void addChild(LLFolderViewModelItem* child) 
+	{ 
+		// Avoid duplicates: bail out if that child is already present in the list
+		// Note: this happens when models are created before views
+		child_list_t::const_iterator iter;
+		for (iter = mChildren.begin(); iter != mChildren.end(); iter++)
+		{
+			if (child == *iter)
+			{
+				return;
+			}
+		}
+		mChildren.push_back(child); 
+		child->setParent(this); 
+		dirtyFilter();
+		requestSort();
+	}
+	virtual void removeChild(LLFolderViewModelItem* child) 
+	{ 
+		mChildren.remove(child); 
+		child->setParent(NULL); 
+		dirtyFilter();
+	}
+	
+	virtual void clearChildren()
+	{
+		// As this is cleaning the whole list of children wholesale, we do need to delete the pointed objects
+		// This is different and not equivalent to calling removeChild() on each child
+		std::for_each(mChildren.begin(), mChildren.end(), DeletePointer());
+		mChildren.clear();
+		dirtyFilter();
+	}
+	
+	child_list_t::const_iterator getChildrenBegin() const { return mChildren.begin(); }
+	child_list_t::const_iterator getChildrenEnd() const { return mChildren.end(); }
+	child_list_t::size_type getChildrenCount() const { return mChildren.size(); }
+	
+	void setPassedFilter(bool passed, S32 filter_generation, std::string::size_type string_offset = std::string::npos, std::string::size_type string_size = 0)
+	{
+		mPassedFilter = passed;
+		mLastFilterGeneration = filter_generation;
+		mStringMatchOffsetFilter = string_offset;
+		mStringFilterSize = string_size;
+	}
+
+	void setPassedFolderFilter(bool passed, S32 filter_generation)
+	{
+		mPassedFolderFilter = passed;
+		mLastFolderFilterGeneration = filter_generation;
+	}
+
+	virtual bool potentiallyVisible()
+	{
+		return passedFilter() // we've passed the filter
+			|| (getLastFilterGeneration() < mRootViewModel.getFilter().getFirstSuccessGeneration()) // or we don't know yet
+			|| descendantsPassedFilter();
+	}
+
+	virtual bool passedFilter(S32 filter_generation = -1) 
+	{ 
+		if (filter_generation < 0)
+        {
+			filter_generation = mRootViewModel.getFilter().getFirstSuccessGeneration();
+        }
+		bool passed_folder_filter = mPassedFolderFilter && (mLastFolderFilterGeneration >= filter_generation);
+		bool passed_filter = mPassedFilter && (mLastFilterGeneration >= filter_generation);
+		return passed_folder_filter && (passed_filter || descendantsPassedFilter(filter_generation));
+	}
+
+	virtual bool descendantsPassedFilter(S32 filter_generation = -1)
+	{ 
+		if (filter_generation < 0)
+        {
+            filter_generation = mRootViewModel.getFilter().getFirstSuccessGeneration();
+        }
+		return mMostFilteredDescendantGeneration >= filter_generation;
+	}
+
+
+protected:
+	virtual void setParent(LLFolderViewModelItem* parent) { mParent = parent; }
+	virtual bool hasParent() { return mParent != NULL; }
+
+	S32						mSortVersion;
+	bool					mPassedFilter;
+	bool					mPassedFolderFilter;
+	std::string::size_type	mStringMatchOffsetFilter;
+	std::string::size_type	mStringFilterSize;
+
+	S32						mLastFilterGeneration;
+	S32						mLastFolderFilterGeneration;
+	S32						mMostFilteredDescendantGeneration;
+
+	child_list_t			mChildren;
+	LLFolderViewModelItem*	mParent;
+	LLFolderViewModelInterface& mRootViewModel;
+
+	void setFolderViewItem(LLFolderViewItem* folder_view_item) { mFolderViewItem = folder_view_item;}
+	LLFolderViewItem*		mFolderViewItem;
+};
+
+
+
+class LLFolderViewModelCommon : public LLFolderViewModelInterface
+{
+public:
+	LLFolderViewModelCommon()
+	:	mTargetSortVersion(0),
+		mFolderView(NULL)
+	{}
+
+	virtual void requestSortAll()
+	{
+		// sort everything
+		mTargetSortVersion++;
+	}
+	virtual std::string getStatusText();
+	virtual void filter();
+
+	void setFolderView(LLFolderView* folder_view) { mFolderView = folder_view;}
+
+protected:
+	bool needsSort(class LLFolderViewModelItem* item);
+
+	S32 mTargetSortVersion;
+	LLFolderView* mFolderView;
+
+};
+
+template <typename SORT_TYPE, typename ITEM_TYPE, typename FOLDER_TYPE, typename FILTER_TYPE>
+class LLFolderViewModel : public LLFolderViewModelCommon
+{
+public:
+	LLFolderViewModel(){}
+	virtual ~LLFolderViewModel() {}
+
+	typedef SORT_TYPE		SortType;
+	typedef ITEM_TYPE		ItemType;
+	typedef FOLDER_TYPE		FolderType;
+	typedef FILTER_TYPE		FilterType;
+
+	virtual SortType& getSorter()					 { return mSorter; }
+	virtual const SortType& getSorter() const 		 { return mSorter; }
+	virtual void setSorter(const SortType& sorter) 	 { mSorter = sorter; requestSortAll(); }
+
+	virtual FilterType& getFilter() 				 { return mFilter; }
+	virtual const FilterType& getFilter() const		 { return mFilter; }
+	virtual void setFilter(const FilterType& filter) { mFilter = filter; }
+
+	// By default, we assume the content is available. If a network fetch mechanism is implemented for the model,
+	// this method needs to be overloaded and return the relevant fetch status.
+	virtual bool contentsReady()					{ return true; }
+
+
+	struct ViewModelCompare
+	{
+		ViewModelCompare(const SortType& sorter)
+		:	mSorter(sorter)
+		{}
+
+		bool operator () (const LLFolderViewItem* a, const LLFolderViewItem* b) const
+		{
+			return mSorter(static_cast<const ItemType*>(a->getViewModelItem()), static_cast<const ItemType*>(b->getViewModelItem()));
+		}
+
+		bool operator () (const LLFolderViewFolder* a, const LLFolderViewFolder* b) const
+		{
+			return mSorter(static_cast<const ItemType*>(a->getViewModelItem()), static_cast<const ItemType*>(b->getViewModelItem()));
+		}
+
+		const SortType& mSorter;
+	};
+
+	void sort(LLFolderViewFolder* folder)
+	{
+		if (needsSort(folder->getViewModelItem()))
+		{
+			folder->sortFolders(ViewModelCompare(getSorter()));
+			folder->sortItems(ViewModelCompare(getSorter()));
+			folder->getViewModelItem()->setSortVersion(mTargetSortVersion);
+			folder->requestArrange();
+		}
+	}
+
+protected:
+	SortType		mSorter;
+	FilterType		mFilter;
+};
+
+#endif // LLFOLDERVIEWMODEL_H
diff --git a/indra/llui/llfunctorregistry.cpp b/indra/llui/llfunctorregistry.cpp
index 8003324973..8003324973 100644..100755
--- a/indra/llui/llfunctorregistry.cpp
+++ b/indra/llui/llfunctorregistry.cpp
diff --git a/indra/llui/llfunctorregistry.h b/indra/llui/llfunctorregistry.h
index 899cc3a326..beac212441 100644..100755
--- a/indra/llui/llfunctorregistry.h
+++ b/indra/llui/llfunctorregistry.h
@@ -69,7 +69,6 @@ public:
 	bool registerFunctor(const std::string& name, ResponseFunctor f)
 	{
 		bool retval = true;
-		typename FunctorMap::iterator it = mMap.find(name);
 		if (mMap.count(name) == 0)
 		{
 			mMap[name] = f;
@@ -96,7 +95,6 @@ public:
 
 	FUNCTOR_TYPE getFunctor(const std::string& name)
 	{
-		typename FunctorMap::iterator it = mMap.find(name);
 		if (mMap.count(name) != 0)
 		{
 			return mMap[name];
diff --git a/indra/llui/llhelp.h b/indra/llui/llhelp.h
index 1726347a78..1726347a78 100644..100755
--- a/indra/llui/llhelp.h
+++ b/indra/llui/llhelp.h
diff --git a/indra/llui/lliconctrl.cpp b/indra/llui/lliconctrl.cpp
index 30b79b4d20..30b79b4d20 100644..100755
--- a/indra/llui/lliconctrl.cpp
+++ b/indra/llui/lliconctrl.cpp
diff --git a/indra/llui/lliconctrl.h b/indra/llui/lliconctrl.h
index efa0925a4a..efa0925a4a 100644..100755
--- a/indra/llui/lliconctrl.h
+++ b/indra/llui/lliconctrl.h
diff --git a/indra/llui/llkeywords.cpp b/indra/llui/llkeywords.cpp
index c1cd04186b..26d27d1f34 100644..100755
--- a/indra/llui/llkeywords.cpp
+++ b/indra/llui/llkeywords.cpp
@@ -367,8 +367,6 @@ void LLKeywords::findSegments(std::vector<LLTextSegmentPtr>* seg_list, const LLW
 
 	const llwchar* base = wtext.c_str();
 	const llwchar* cur = base;
-	const llwchar* line = NULL;
-
 	while( *cur )
 	{
 		if( *cur == '\n' || cur == base )
@@ -385,9 +383,6 @@ void LLKeywords::findSegments(std::vector<LLTextSegmentPtr>* seg_list, const LLW
 				}
 			}
 
-			// Start of a new line
-			line = cur;
-
 			// Skip white space
 			while( *cur && isspace(*cur) && (*cur != '\n')  )
 			{
diff --git a/indra/llui/llkeywords.h b/indra/llui/llkeywords.h
index ac34015393..ac34015393 100644..100755
--- a/indra/llui/llkeywords.h
+++ b/indra/llui/llkeywords.h
diff --git a/indra/llui/lllayoutstack.cpp b/indra/llui/lllayoutstack.cpp
index 4c730286da..c89c0203b4 100644..100755
--- a/indra/llui/lllayoutstack.cpp
+++ b/indra/llui/lllayoutstack.cpp
@@ -32,11 +32,10 @@
 
 #include "lllocalcliprect.h"
 #include "llpanel.h"
-#include "llresizebar.h"
 #include "llcriticaldamp.h"
 #include "boost/foreach.hpp"
 
-static const F32 MIN_FRACTIONAL_SIZE = 0.0f;
+static const F32 MIN_FRACTIONAL_SIZE = 0.00001f;
 static const F32 MAX_FRACTIONAL_SIZE = 1.f;
 
 static LLDefaultChildRegistry::Register<LLLayoutStack> register_layout_stack("layout_stack");
@@ -71,7 +70,7 @@ LLLayoutPanel::LLLayoutPanel(const Params& p)
 	mCollapseAmt(0.f),
 	mVisibleAmt(1.f), // default to fully visible
 	mResizeBar(NULL),
-	mFractionalSize(MIN_FRACTIONAL_SIZE),
+	mFractionalSize(0.f),
 	mTargetDim(0),
 	mIgnoreReshape(false),
 	mOrientation(LLLayoutStack::HORIZONTAL)
@@ -215,8 +214,15 @@ LLLayoutStack::Params::Params()
 	open_time_constant("open_time_constant", 0.02f),
 	close_time_constant("close_time_constant", 0.03f),
 	resize_bar_overlap("resize_bar_overlap", 1),
-	border_size("border_size", LLCachedControl<S32>(*LLUI::sSettingGroups["config"], "UIResizeBarHeight", 0))
-{}
+	border_size("border_size", LLCachedControl<S32>(*LLUI::sSettingGroups["config"], "UIResizeBarHeight", 0)),
+	show_drag_handle("show_drag_handle", false),
+	drag_handle_first_indent("drag_handle_first_indent", 0),
+	drag_handle_second_indent("drag_handle_second_indent", 0),
+	drag_handle_thickness("drag_handle_thickness", 5),
+	drag_handle_shift("drag_handle_shift", 2)
+{
+	addSynonym(border_size, "drag_handle_gap");
+}
 
 LLLayoutStack::LLLayoutStack(const LLLayoutStack::Params& p) 
 :	LLView(p),
@@ -228,8 +234,14 @@ LLLayoutStack::LLLayoutStack(const LLLayoutStack::Params& p)
 	mClip(p.clip),
 	mOpenTimeConstant(p.open_time_constant),
 	mCloseTimeConstant(p.close_time_constant),
-	mResizeBarOverlap(p.resize_bar_overlap)
-{}
+	mResizeBarOverlap(p.resize_bar_overlap),
+	mShowDragHandle(p.show_drag_handle),
+	mDragHandleFirstIndent(p.drag_handle_first_indent),
+	mDragHandleSecondIndent(p.drag_handle_second_indent),
+	mDragHandleThickness(p.drag_handle_thickness),
+	mDragHandleShift(p.drag_handle_shift)
+{
+}
 
 LLLayoutStack::~LLLayoutStack()
 {
@@ -263,6 +275,26 @@ void LLLayoutStack::draw()
 			drawChild(panelp, 0, 0, !clip_rect.isEmpty());
 		}
 	}
+
+	const LLView::child_list_t * child_listp = getChildList();
+	BOOST_FOREACH(LLView * childp, * child_listp)
+	{
+		LLResizeBar * resize_barp = dynamic_cast<LLResizeBar*>(childp);
+		if (resize_barp && resize_barp->isShowDragHandle() && resize_barp->getVisible() && resize_barp->getRect().isValid())
+		{
+			LLRect screen_rect = resize_barp->calcScreenRect();
+			if (LLUI::getRootView()->getLocalRect().overlaps(screen_rect) && LLUI::sDirtyRect.overlaps(screen_rect))
+			{
+				LLUI::pushMatrix();
+				{
+					const LLRect& rb_rect(resize_barp->getRect());
+					LLUI::translate(rb_rect.mLeft, rb_rect.mBottom);
+					resize_barp->draw();
+				}
+				LLUI::popMatrix();
+			}
+		}
+	}
 }
 
 void LLLayoutStack::removeChild(LLView* view)
@@ -391,7 +423,6 @@ void LLLayoutStack::updateLayout()
 	BOOST_FOREACH(LLLayoutPanel* panelp, mPanels)
 	{
 		F32 panel_dim = llmax(panelp->getExpandedMinDim(), panelp->mTargetDim);
-		F32 panel_visible_dim = panelp->getVisibleDim();
 
 		LLRect panel_rect;
 		if (mOrientation == HORIZONTAL)
@@ -408,27 +439,61 @@ void LLLayoutStack::updateLayout()
 										getRect().getWidth(),
 										llround(panel_dim));
 		}
-		panelp->setIgnoreReshape(true);
-		panelp->setShape(panel_rect);
-		panelp->setIgnoreReshape(false);
 
 		LLRect resize_bar_rect(panel_rect);
-
+		LLResizeBar * resize_barp = panelp->getResizeBar();
+		bool show_drag_handle = resize_barp->isShowDragHandle();
 		F32 panel_spacing = (F32)mPanelSpacing * panelp->getVisibleAmount();
+		F32 panel_visible_dim = panelp->getVisibleDim();
+		S32 panel_spacing_round = (S32)(llround(panel_spacing));
+
 		if (mOrientation == HORIZONTAL)
 		{
-			resize_bar_rect.mLeft = panel_rect.mRight - mResizeBarOverlap;
-			resize_bar_rect.mRight = panel_rect.mRight + (S32)(llround(panel_spacing)) + mResizeBarOverlap;
-
 			cur_pos += panel_visible_dim + panel_spacing;
+
+			if (show_drag_handle && panel_spacing_round > mDragHandleThickness)
+			{
+				resize_bar_rect.mLeft = panel_rect.mRight + mDragHandleShift;
+				resize_bar_rect.mRight = resize_bar_rect.mLeft + mDragHandleThickness;
+			}
+			else
+			{
+				resize_bar_rect.mLeft = panel_rect.mRight - mResizeBarOverlap;
+				resize_bar_rect.mRight = panel_rect.mRight + panel_spacing_round + mResizeBarOverlap;
+			}
+
+			if (show_drag_handle)
+			{
+				resize_bar_rect.mBottom += mDragHandleSecondIndent;
+				resize_bar_rect.mTop -= mDragHandleFirstIndent;
+			}
+
 		}
 		else //VERTICAL
 		{
-			resize_bar_rect.mTop = panel_rect.mBottom + mResizeBarOverlap;
-			resize_bar_rect.mBottom = panel_rect.mBottom - (S32)(llround(panel_spacing)) - mResizeBarOverlap;
-
 			cur_pos -= panel_visible_dim + panel_spacing;
+
+			if (show_drag_handle && panel_spacing_round > mDragHandleThickness)
+			{
+				resize_bar_rect.mTop = panel_rect.mBottom - mDragHandleShift;
+				resize_bar_rect.mBottom = resize_bar_rect.mTop - mDragHandleThickness;
+			}
+			else
+			{
+				resize_bar_rect.mTop = panel_rect.mBottom + mResizeBarOverlap;
+				resize_bar_rect.mBottom = panel_rect.mBottom - panel_spacing_round - mResizeBarOverlap;
+			}
+
+			if (show_drag_handle)
+			{
+				resize_bar_rect.mLeft += mDragHandleFirstIndent;
+				resize_bar_rect.mRight -= mDragHandleSecondIndent;
+			}
 		}
+
+		panelp->setIgnoreReshape(true);
+		panelp->setShape(panel_rect);
+		panelp->setIgnoreReshape(false);
 		panelp->mResizeBar->setShape(resize_bar_rect);
 	}
 
@@ -476,15 +541,13 @@ void LLLayoutStack::createResizeBar(LLLayoutPanel* panelp)
 	{
 		if (lp->mResizeBar == NULL)
 		{
-			LLResizeBar::Side side = (mOrientation == HORIZONTAL) ? LLResizeBar::RIGHT : LLResizeBar::BOTTOM;
-			LLRect resize_bar_rect = getRect();
-
 			LLResizeBar::Params resize_params;
 			resize_params.name("resize");
 			resize_params.resizing_view(lp);
 			resize_params.min_size(lp->getRelevantMinDim());
-			resize_params.side(side);
+			resize_params.side((mOrientation == HORIZONTAL) ? LLResizeBar::RIGHT : LLResizeBar::BOTTOM);
 			resize_params.snapping_enabled(false);
+			resize_params.show_drag_handle(mShowDragHandle);
 			LLResizeBar* resize_bar = LLUICtrlFactory::create<LLResizeBar>(resize_params);
 			lp->mResizeBar = resize_bar;
 			LLView::addChild(resize_bar, 0);
@@ -521,7 +584,7 @@ void LLLayoutStack::updateFractionalSizes()
 	{
 		if (panelp->mAutoResize)
 		{
-			total_resizable_dim += llmax(0, panelp->getLayoutDim() - panelp->getRelevantMinDim());
+			total_resizable_dim += llmax(MIN_FRACTIONAL_SIZE, (F32)(panelp->getLayoutDim() - panelp->getRelevantMinDim()));
 		}
 	}
 
@@ -672,12 +735,12 @@ void LLLayoutStack::updatePanelRect( LLLayoutPanel* resized_panel, const LLRect&
 	S32 new_dim = (mOrientation == HORIZONTAL)
 					? new_rect.getWidth()
 					: new_rect.getHeight();
-	S32 delta_dim = new_dim - resized_panel->getVisibleDim();
-	if (delta_dim == 0) return;
+	S32 delta_panel_dim = new_dim - resized_panel->getVisibleDim();
+	if (delta_panel_dim == 0) return;
 
 	F32 total_visible_fraction = 0.f;
 	F32 delta_auto_resize_headroom = 0.f;
-	F32 original_auto_resize_headroom = 0.f;
+	F32 old_auto_resize_headroom = 0.f;
 
 	LLLayoutPanel* other_resize_panel = NULL;
 	LLLayoutPanel* following_panel = NULL;
@@ -686,7 +749,7 @@ void LLLayoutStack::updatePanelRect( LLLayoutPanel* resized_panel, const LLRect&
 	{
 		if (panelp->mAutoResize)
 		{
-			original_auto_resize_headroom += (F32)(panelp->mTargetDim - panelp->getRelevantMinDim());
+			old_auto_resize_headroom += (F32)(panelp->mTargetDim - panelp->getRelevantMinDim());
 			if (panelp->getVisible() && !panelp->mCollapsed)
 			{
 				total_visible_fraction += panelp->mFractionalSize;
@@ -704,25 +767,24 @@ void LLLayoutStack::updatePanelRect( LLLayoutPanel* resized_panel, const LLRect&
 		}
 	}
 
-
 	if (resized_panel->mAutoResize)
 	{
 		if (!other_resize_panel || !other_resize_panel->mAutoResize)
 		{
-			delta_auto_resize_headroom += delta_dim;	
+			delta_auto_resize_headroom += delta_panel_dim;	
 		}
 	}
 	else 
 	{
 		if (!other_resize_panel || other_resize_panel->mAutoResize)
 		{
-			delta_auto_resize_headroom -= delta_dim;
+			delta_auto_resize_headroom -= delta_panel_dim;
 		}
 	}
 
 	F32 fraction_given_up = 0.f;
 	F32 fraction_remaining = 1.f;
-	F32 updated_auto_resize_headroom = original_auto_resize_headroom + delta_auto_resize_headroom;
+	F32 new_auto_resize_headroom = old_auto_resize_headroom + delta_auto_resize_headroom;
 
 	enum
 	{
@@ -734,7 +796,14 @@ void LLLayoutStack::updatePanelRect( LLLayoutPanel* resized_panel, const LLRect&
 
 	BOOST_FOREACH(LLLayoutPanel* panelp, mPanels)
 	{
-		if (!panelp->getVisible() || panelp->mCollapsed) continue;
+		if (!panelp->getVisible() || panelp->mCollapsed) 
+		{
+			if (panelp->mAutoResize) 
+			{
+				fraction_remaining -= panelp->mFractionalSize;
+			}
+			continue;
+		}
 
 		if (panelp == resized_panel)
 		{
@@ -746,9 +815,9 @@ void LLLayoutStack::updatePanelRect( LLLayoutPanel* resized_panel, const LLRect&
 		case BEFORE_RESIZED_PANEL:
 			if (panelp->mAutoResize)
 			{	// freeze current size as fraction of overall auto_resize space
-				F32 fractional_adjustment_factor = updated_auto_resize_headroom == 0.f
+				F32 fractional_adjustment_factor = new_auto_resize_headroom == 0.f
 													? 1.f
-													: original_auto_resize_headroom / updated_auto_resize_headroom;
+													: old_auto_resize_headroom / new_auto_resize_headroom;
 				F32 new_fractional_size = llclamp(panelp->mFractionalSize * fractional_adjustment_factor,
 													MIN_FRACTIONAL_SIZE,
 													MAX_FRACTIONAL_SIZE);
@@ -765,9 +834,9 @@ void LLLayoutStack::updatePanelRect( LLLayoutPanel* resized_panel, const LLRect&
 		case RESIZED_PANEL:
 			if (panelp->mAutoResize)
 			{	// freeze new size as fraction
-				F32 new_fractional_size = (updated_auto_resize_headroom == 0.f)
+				F32 new_fractional_size = (new_auto_resize_headroom == 0.f)
 					? MAX_FRACTIONAL_SIZE
-					: llclamp(total_visible_fraction * (F32)(new_dim - panelp->getRelevantMinDim()) / updated_auto_resize_headroom, MIN_FRACTIONAL_SIZE, MAX_FRACTIONAL_SIZE);
+					: llclamp(total_visible_fraction * (F32)(new_dim - panelp->getRelevantMinDim()) / new_auto_resize_headroom, MIN_FRACTIONAL_SIZE, MAX_FRACTIONAL_SIZE);
 				fraction_given_up -= new_fractional_size - panelp->mFractionalSize;
 				fraction_remaining -= panelp->mFractionalSize;
 				panelp->mFractionalSize = new_fractional_size;
@@ -790,8 +859,13 @@ void LLLayoutStack::updatePanelRect( LLLayoutPanel* resized_panel, const LLRect&
 				}
 				else
 				{
+					if (new_auto_resize_headroom < 1.f)
+					{
+						new_auto_resize_headroom = 1.f;
+					}
+
 					F32 new_fractional_size = llclamp(total_visible_fraction * (F32)(panelp->mTargetDim - panelp->getRelevantMinDim() + delta_auto_resize_headroom) 
-														/ updated_auto_resize_headroom,
+														/ new_auto_resize_headroom,
 													MIN_FRACTIONAL_SIZE,
 													MAX_FRACTIONAL_SIZE);
 					fraction_given_up -= new_fractional_size - panelp->mFractionalSize;
@@ -800,7 +874,7 @@ void LLLayoutStack::updatePanelRect( LLLayoutPanel* resized_panel, const LLRect&
 			}
 			else
 			{
-				panelp->mTargetDim -= delta_dim;
+				panelp->mTargetDim -= delta_panel_dim;
 			}
 			which_panel = AFTER_RESIZED_PANEL;
 			break;
@@ -816,7 +890,7 @@ void LLLayoutStack::updatePanelRect( LLLayoutPanel* resized_panel, const LLRect&
 		}
 	}
 	updateLayout();
-	normalizeFractionalSizes();
+	//normalizeFractionalSizes();
 }
 
 void LLLayoutStack::reshape(S32 width, S32 height, BOOL called_from_parent)
@@ -855,3 +929,4 @@ void LLLayoutStack::updateResizeBarLimits()
 		previous_visible_panelp = visible_panelp;
 	}
 }
+
diff --git a/indra/llui/lllayoutstack.h b/indra/llui/lllayoutstack.h
index 648cd5fdce..add43fa741 100644..100755
--- a/indra/llui/lllayoutstack.h
+++ b/indra/llui/lllayoutstack.h
@@ -29,6 +29,7 @@
 #define LL_LLLAYOUTSTACK_H
 
 #include "llpanel.h"
+#include "llresizebar.h"
 
 
 class LLLayoutPanel;
@@ -37,6 +38,7 @@ class LLLayoutPanel;
 class LLLayoutStack : public LLView, public LLInstanceTracker<LLLayoutStack>
 {
 public:
+
 	typedef enum e_layout_orientation
 	{
 		HORIZONTAL,
@@ -61,6 +63,11 @@ public:
 		Optional<F32>			open_time_constant,
 								close_time_constant;
 		Optional<S32>			resize_bar_overlap;
+		Optional<bool>			show_drag_handle;
+		Optional<S32>			drag_handle_first_indent;
+		Optional<S32>			drag_handle_second_indent;
+		Optional<S32>			drag_handle_thickness;
+		Optional<S32>			drag_handle_shift;
 
 		Params();
 	};
@@ -125,6 +132,11 @@ private:
 	F32  mCloseTimeConstant;
 	bool mNeedsLayout;
 	S32  mResizeBarOverlap;
+	bool mShowDragHandle;
+	S32  mDragHandleFirstIndent;
+	S32  mDragHandleSecondIndent;
+	S32  mDragHandleThickness;
+	S32  mDragHandleShift;
 }; // end class LLLayoutStack
 
 
@@ -178,6 +190,9 @@ public:
 	F32 getAutoResizeFactor() const;
 	F32 getVisibleAmount() const;
 	S32 getVisibleDim() const;
+	LLResizeBar* getResizeBar() { return mResizeBar; }
+
+	bool isCollapsed() const { return mCollapsed;}
 
 	void setOrientation(LLLayoutStack::ELayoutOrientation orientation);
 	void storeOriginalDim();
diff --git a/indra/llui/lllazyvalue.h b/indra/llui/lllazyvalue.h
index 0fc95d9efa..0fc95d9efa 100644..100755
--- a/indra/llui/lllazyvalue.h
+++ b/indra/llui/lllazyvalue.h
diff --git a/indra/llui/lllineeditor.cpp b/indra/llui/lllineeditor.cpp
index 48d49af588..5478e85e13 100644..100755
--- a/indra/llui/lllineeditor.cpp
+++ b/indra/llui/lllineeditor.cpp
@@ -157,8 +157,7 @@ LLLineEditor::LLLineEditor(const LLLineEditor::Params& p)
 	mHighlightColor(p.highlight_color()),
 	mPreeditBgColor(p.preedit_bg_color()),
 	mGLFont(p.font),
-	mContextMenuHandle(),
-	mAutoreplaceCallback()
+	mContextMenuHandle()
 {
 	llassert( mMaxLengthBytes > 0 );
 
@@ -203,6 +202,14 @@ LLLineEditor::LLLineEditor(const LLLineEditor::Params& p)
 LLLineEditor::~LLLineEditor()
 {
 	mCommitOnFocusLost = FALSE;
+    
+    // Make sure no context menu linger around once the widget is deleted
+	LLContextMenu* menu = static_cast<LLContextMenu*>(mContextMenuHandle.get());
+	if (menu)
+	{
+        menu->hide();
+    }
+	setContextMenu(NULL);
 
 	// calls onCommit() while LLLineEditor still valid
 	gFocusMgr.releaseFocusIfNeeded( this );
@@ -971,12 +978,6 @@ void LLLineEditor::addChar(const llwchar uni_char)
 		LLUI::reportBadKeystroke();
 	}
 
-	if (!mReadOnly && mAutoreplaceCallback != NULL)
-	{
-		// call callback
-		mAutoreplaceCallback(mText, mCursorPos);
-	}
-
 	getWindow()->hideCursorUntilMouseMove();
 }
 
@@ -2022,8 +2023,8 @@ void LLLineEditor::draw()
 				LLRect screen_pos = calcScreenRect();
 				LLCoordGL ime_pos( screen_pos.mLeft + pixels_after_scroll, screen_pos.mTop - lineeditor_v_pad );
 
-				ime_pos.mX = (S32) (ime_pos.mX * LLUI::sGLScaleFactor.mV[VX]);
-				ime_pos.mY = (S32) (ime_pos.mY * LLUI::sGLScaleFactor.mV[VY]);
+				ime_pos.mX = (S32) (ime_pos.mX * LLUI::getScaleFactor().mV[VX]);
+				ime_pos.mY = (S32) (ime_pos.mY * LLUI::getScaleFactor().mV[VY]);
 				getWindow()->setLanguageTextInput( ime_pos );
 			}
 		}
@@ -2570,7 +2571,7 @@ void LLLineEditor::markAsPreedit(S32 position, S32 length)
 
 S32 LLLineEditor::getPreeditFontSize() const
 {
-	return llround(mGLFont->getLineHeight() * LLUI::sGLScaleFactor.mV[VY]);
+	return llround(mGLFont->getLineHeight() * LLUI::getScaleFactor().mV[VY]);
 }
 
 void LLLineEditor::setReplaceNewlinesWithSpaces(BOOL replace)
diff --git a/indra/llui/lllineeditor.h b/indra/llui/lllineeditor.h
index 71dd53f608..40f931ecc1 100644..100755
--- a/indra/llui/lllineeditor.h
+++ b/indra/llui/lllineeditor.h
@@ -189,9 +189,6 @@ public:
 	virtual BOOL	setTextArg( const std::string& key, const LLStringExplicit& text );
 	virtual BOOL	setLabelArg( const std::string& key, const LLStringExplicit& text );
 
-	typedef boost::function<void(LLUIString&, S32&)> autoreplace_callback_t;
-	autoreplace_callback_t mAutoreplaceCallback;
-	void			setAutoreplaceCallback(autoreplace_callback_t cb) { mAutoreplaceCallback = cb; }
 	void			setLabel(const LLStringExplicit &new_label) { mLabel = new_label; }
 	const std::string& 	getLabel()	{ return mLabel.getString(); }
 
diff --git a/indra/llui/llloadingindicator.cpp b/indra/llui/llloadingindicator.cpp
index 6ac38f5ad4..1ede5b706f 100644..100755
--- a/indra/llui/llloadingindicator.cpp
+++ b/indra/llui/llloadingindicator.cpp
@@ -52,7 +52,7 @@ LLLoadingIndicator::LLLoadingIndicator(const Params& p)
 
 void LLLoadingIndicator::initFromParams(const Params& p)
 {
-	BOOST_FOREACH(LLUIImage* image, p.images.image)
+	BOOST_FOREACH(LLUIImage* image, p.images().image)
 	{
 		mImages.push_back(image);
 	}
diff --git a/indra/llui/llloadingindicator.h b/indra/llui/llloadingindicator.h
index c1f979c111..ffcb329f42 100644..100755
--- a/indra/llui/llloadingindicator.h
+++ b/indra/llui/llloadingindicator.h
@@ -51,7 +51,7 @@ class LLLoadingIndicator
 	LOG_CLASS(LLLoadingIndicator);
 public:
 
-	struct Images : public LLInitParam::BatchBlock<Images>
+	struct Images : public LLInitParam::Block<Images>
 	{
 		Multiple<LLUIImage*>	image;
 
@@ -62,8 +62,8 @@ public:
 
 	struct Params : public LLInitParam::Block<Params, LLUICtrl::Params>
 	{
-		Optional<F32>			images_per_sec;
-		Optional<Images>		images;
+		Optional<F32>				images_per_sec;
+		Optional<Atomic<Images> >	images;
 
 		Params()
 		:	images_per_sec("images_per_sec", 1.0f),
diff --git a/indra/llui/lllocalcliprect.cpp b/indra/llui/lllocalcliprect.cpp
index 6841301219..f3a526faeb 100644..100755
--- a/indra/llui/lllocalcliprect.cpp
+++ b/indra/llui/lllocalcliprect.cpp
@@ -88,10 +88,10 @@ void LLScreenClipRect::updateScissorRegion()
 	LLRect rect = sClipRectStack.top();
 	stop_glerror();
 	S32 x,y,w,h;
-	x = llfloor(rect.mLeft * LLUI::sGLScaleFactor.mV[VX]);
-	y = llfloor(rect.mBottom * LLUI::sGLScaleFactor.mV[VY]);
-	w = llmax(0, llceil(rect.getWidth() * LLUI::sGLScaleFactor.mV[VX])) + 1;
-	h = llmax(0, llceil(rect.getHeight() * LLUI::sGLScaleFactor.mV[VY])) + 1;
+	x = llfloor(rect.mLeft * LLUI::getScaleFactor().mV[VX]);
+	y = llfloor(rect.mBottom * LLUI::getScaleFactor().mV[VY]);
+	w = llmax(0, llceil(rect.getWidth() * LLUI::getScaleFactor().mV[VX])) + 1;
+	h = llmax(0, llceil(rect.getHeight() * LLUI::getScaleFactor().mV[VY])) + 1;
 	glScissor( x,y,w,h );
 	stop_glerror();
 }
diff --git a/indra/llui/lllocalcliprect.h b/indra/llui/lllocalcliprect.h
index eeeaf2adb6..eeeaf2adb6 100644..100755
--- a/indra/llui/lllocalcliprect.h
+++ b/indra/llui/lllocalcliprect.h
diff --git a/indra/llui/llmenubutton.cpp b/indra/llui/llmenubutton.cpp
index 50d59f79f4..746ade4648 100644..100755
--- a/indra/llui/llmenubutton.cpp
+++ b/indra/llui/llmenubutton.cpp
@@ -44,33 +44,27 @@ void LLMenuButton::MenuPositions::declareValues()
 
 LLMenuButton::Params::Params()
 :	menu_filename("menu_filename"),
-	position("position", MP_BOTTOM_LEFT)
+	position("menu_position", MP_BOTTOM_LEFT)
 {
+	addSynonym(position, "position");
 }
 
 
 LLMenuButton::LLMenuButton(const LLMenuButton::Params& p)
 :	LLButton(p),
 	mIsMenuShown(false),
-	mMenuPosition(p.position)
+	mMenuPosition(p.position),
+	mOwnMenu(false)
 {
 	std::string menu_filename = p.menu_filename;
 
-	if (!menu_filename.empty())
-	{
-		LLToggleableMenu* menu = LLUICtrlFactory::getInstance()->createFromFile<LLToggleableMenu>(menu_filename, LLMenuGL::sMenuContainer, LLMenuHolderGL::child_registry_t::instance());
-		if (!menu)
-		{
-			llwarns << "Error loading menu_button menu" << llendl;
-			return;
-		}
-
-		menu->setVisibilityChangeCallback(boost::bind(&LLMenuButton::onMenuVisibilityChange, this, _2));
-
-		mMenuHandle = menu->getHandle();
+	setMenu(menu_filename, mMenuPosition);
+	updateMenuOrigin();
+}
 
-		updateMenuOrigin();
-	}
+LLMenuButton::~LLMenuButton()
+{
+	cleanup();
 }
 
 boost::signals2::connection LLMenuButton::setMouseDownCallback( const mouse_signal_t::slot_type& cb )
@@ -80,9 +74,7 @@ boost::signals2::connection LLMenuButton::setMouseDownCallback( const mouse_sign
 
 void LLMenuButton::hideMenu()
 {
-	if(mMenuHandle.isDead()) return;
-
-	LLToggleableMenu* menu = dynamic_cast<LLToggleableMenu*>(mMenuHandle.get());
+	LLToggleableMenu* menu = getMenu();
 	if (menu)
 	{
 		menu->setVisible(FALSE);
@@ -94,19 +86,39 @@ LLToggleableMenu* LLMenuButton::getMenu()
 	return dynamic_cast<LLToggleableMenu*>(mMenuHandle.get());
 }
 
-void LLMenuButton::setMenu(LLToggleableMenu* menu, EMenuPosition position /*MP_TOP_LEFT*/)
+void LLMenuButton::setMenu(const std::string& menu_filename, EMenuPosition position /*MP_TOP_LEFT*/)
+{
+	if (menu_filename.empty())
+	{
+		return;
+	}
+
+	LLToggleableMenu* menu = LLUICtrlFactory::getInstance()->createFromFile<LLToggleableMenu>(menu_filename, LLMenuGL::sMenuContainer, LLMenuHolderGL::child_registry_t::instance());
+	if (!menu)
+	{
+		llwarns << "Error loading menu_button menu" << llendl;
+		return;
+	}
+
+	setMenu(menu, position, true);
+}
+
+void LLMenuButton::setMenu(LLToggleableMenu* menu, EMenuPosition position /*MP_TOP_LEFT*/, bool take_ownership /*false*/)
 {
 	if (!menu) return;
 
+	cleanup(); // destroy the previous memnu if we own it
+
 	mMenuHandle = menu->getHandle();
 	mMenuPosition = position;
+	mOwnMenu = take_ownership;
 
 	menu->setVisibilityChangeCallback(boost::bind(&LLMenuButton::onMenuVisibilityChange, this, _2));
 }
 
 BOOL LLMenuButton::handleKeyHere(KEY key, MASK mask )
 {
-	if (mMenuHandle.isDead()) return FALSE;
+	if (!getMenu()) return FALSE;
 
 	if( KEY_RETURN == key && mask == MASK_NONE && !gKeyboard->getKeyRepeated(key))
 	{
@@ -118,7 +130,7 @@ BOOL LLMenuButton::handleKeyHere(KEY key, MASK mask )
 		return TRUE;
 	}
 
-	LLToggleableMenu* menu = dynamic_cast<LLToggleableMenu*>(mMenuHandle.get());
+	LLToggleableMenu* menu = getMenu();
 	if (menu && menu->getVisible() && key == KEY_ESCAPE && mask == MASK_NONE)
 	{
 		menu->setVisible(FALSE);
@@ -139,9 +151,12 @@ BOOL LLMenuButton::handleMouseDown(S32 x, S32 y, MASK mask)
 
 void LLMenuButton::toggleMenu()
 {
-	if(mMenuHandle.isDead()) return;
+	if (mValidateSignal && !(*mValidateSignal)(this, LLSD()))
+	{
+		return;
+	}
 
-	LLToggleableMenu* menu = dynamic_cast<LLToggleableMenu*>(mMenuHandle.get());
+	LLToggleableMenu* menu = getMenu();
 	if (!menu) return;
 
 	// Store the button rectangle to toggle menu visibility if a mouse event
@@ -170,7 +185,8 @@ void LLMenuButton::toggleMenu()
 
 void LLMenuButton::updateMenuOrigin()
 {
-	if (mMenuHandle.isDead()) return;
+	LLToggleableMenu* menu = getMenu();
+	if (!menu) return;
 
 	LLRect rect = getRect();
 
@@ -179,12 +195,12 @@ void LLMenuButton::updateMenuOrigin()
 		case MP_TOP_LEFT:
 		{
 			mX = rect.mLeft;
-			mY = rect.mTop + mMenuHandle.get()->getRect().getHeight();
+			mY = rect.mTop + menu->getRect().getHeight();
 			break;
 		}
 		case MP_TOP_RIGHT:
 		{
-			const LLRect& menu_rect = mMenuHandle.get()->getRect();
+			const LLRect& menu_rect = menu->getRect();
 			mX = rect.mRight - menu_rect.getWidth();
 			mY = rect.mTop + menu_rect.getHeight();
 			break;
@@ -211,3 +227,11 @@ void LLMenuButton::onMenuVisibilityChange(const LLSD& param)
 		mIsMenuShown = false;
 	}
 }
+
+void LLMenuButton::cleanup()
+{
+	if (mMenuHandle.get() && mOwnMenu)
+	{
+		mMenuHandle.get()->die();
+	}
+}
diff --git a/indra/llui/llmenubutton.h b/indra/llui/llmenubutton.h
index e2396e7fb2..67ec1983b3 100644..100755
--- a/indra/llui/llmenubutton.h
+++ b/indra/llui/llmenubutton.h
@@ -34,6 +34,8 @@ class LLToggleableMenu;
 class LLMenuButton
 : public LLButton
 {
+	LOG_CLASS(LLMenuButton);
+
 public:
 	typedef enum e_menu_position
 	{
@@ -53,7 +55,7 @@ public:
 	{
 		// filename for it's toggleable menu
 		Optional<std::string>	menu_filename;
-		Optional<EMenuPosition>	position;
+		Optional<EMenuPosition, MenuPositions>	position;
 	
 		Params();
 	};
@@ -68,13 +70,15 @@ public:
 	void hideMenu();
 
 	LLToggleableMenu* getMenu();
-	void setMenu(LLToggleableMenu* menu, EMenuPosition position = MP_TOP_LEFT);
+	void setMenu(const std::string& menu_filename, EMenuPosition position = MP_TOP_LEFT);
+	void setMenu(LLToggleableMenu* menu, EMenuPosition position = MP_TOP_LEFT, bool take_ownership = false);
 
 	void setMenuPosition(EMenuPosition position) { mMenuPosition = position; }
 
 protected:
 	friend class LLUICtrlFactory;
 	LLMenuButton(const Params&);
+	~LLMenuButton();
 
 	void toggleMenu();
 	void updateMenuOrigin();
@@ -82,11 +86,14 @@ protected:
 	void onMenuVisibilityChange(const LLSD& param);
 
 private:
+	void cleanup();
+
 	LLHandle<LLView>		mMenuHandle;
 	bool					mIsMenuShown;
 	EMenuPosition			mMenuPosition;
 	S32						mX;
 	S32						mY;
+	bool					mOwnMenu; // true if we manage the menu lifetime
 };
 
 
diff --git a/indra/llui/llmenugl.cpp b/indra/llui/llmenugl.cpp
index efb9848a90..f854e1785d 100644..100755
--- a/indra/llui/llmenugl.cpp
+++ b/indra/llui/llmenugl.cpp
@@ -593,12 +593,12 @@ BOOL LLMenuItemSeparatorGL::handleMouseDown(S32 x, S32 y, MASK mask)
 	{
 		// the menu items are in the child list in bottom up order
 		LLView* prev_menu_item = parent_menu->findNextSibling(this);
-		return prev_menu_item ? prev_menu_item->handleMouseDown(x, prev_menu_item->getRect().getHeight(), mask) : FALSE;
+		return (prev_menu_item && prev_menu_item->getVisible() && prev_menu_item->getEnabled()) ? prev_menu_item->handleMouseDown(x, prev_menu_item->getRect().getHeight(), mask) : FALSE;
 	}
 	else
 	{
 		LLView* next_menu_item = parent_menu->findPrevSibling(this);
-		return next_menu_item ? next_menu_item->handleMouseDown(x, 0, mask) : FALSE;
+		return (next_menu_item && next_menu_item->getVisible() && next_menu_item->getEnabled()) ? next_menu_item->handleMouseDown(x, 0, mask) : FALSE;
 	}
 }
 
@@ -608,12 +608,12 @@ BOOL LLMenuItemSeparatorGL::handleMouseUp(S32 x, S32 y, MASK mask)
 	if (y > getRect().getHeight() / 2)
 	{
 		LLView* prev_menu_item = parent_menu->findNextSibling(this);
-		return prev_menu_item ? prev_menu_item->handleMouseUp(x, prev_menu_item->getRect().getHeight(), mask) : FALSE;
+		return (prev_menu_item && prev_menu_item->getVisible() && prev_menu_item->getEnabled()) ? prev_menu_item->handleMouseUp(x, prev_menu_item->getRect().getHeight(), mask) : FALSE;
 	}
 	else
 	{
 		LLView* next_menu_item = parent_menu->findPrevSibling(this);
-		return next_menu_item ? next_menu_item->handleMouseUp(x, 0, mask) : FALSE;
+		return (next_menu_item && next_menu_item->getVisible() && next_menu_item->getEnabled()) ? next_menu_item->handleMouseUp(x, 0, mask) : FALSE;
 	}
 }
 
@@ -1751,16 +1751,50 @@ void LLMenuGL::setCanTearOff(BOOL tear_off)
 
 bool LLMenuGL::addChild(LLView* view, S32 tab_group)
 {
-	if (LLMenuGL* menup = dynamic_cast<LLMenuGL*>(view))
+	LLMenuGL* menup = dynamic_cast<LLMenuGL*>(view);
+	if (menup)
 	{
-		appendMenu(menup);
-		return true;
+		return appendMenu(menup);
 	}
-	else if (LLMenuItemGL* itemp = dynamic_cast<LLMenuItemGL*>(view))
+	
+	LLMenuItemGL* itemp = dynamic_cast<LLMenuItemGL*>(view);
+	if (itemp)
 	{
-		append(itemp);
-		return true;
+		return append(itemp);
 	}
+	
+	return false;
+}
+
+// Used in LLContextMenu and in LLTogleableMenu
+
+// Add an item to the context menu branch
+bool LLMenuGL::addContextChild(LLView* view, S32 tab_group)
+{
+	LLContextMenu* context = dynamic_cast<LLContextMenu*>(view);
+	if (context)
+	{
+		return appendContextSubMenu(context);
+	}
+
+	LLMenuItemSeparatorGL* separator = dynamic_cast<LLMenuItemSeparatorGL*>(view);
+	if (separator)
+	{
+		return append(separator);
+	}
+
+	LLMenuItemGL* item = dynamic_cast<LLMenuItemGL*>(view);
+	if (item)
+	{
+		return append(item);
+	}
+	
+	LLMenuGL* menup = dynamic_cast<LLMenuGL*>(view);
+	if (menup)
+	{
+		return appendMenu(menup);
+	}
+	
 	return false;
 }
 
@@ -2427,6 +2461,56 @@ void LLMenuGL::empty( void )
 	deleteAllChildren();
 }
 
+// erase group of items from menu
+void LLMenuGL::erase( S32 begin, S32 end, bool arrange/* = true*/)
+{
+	S32 items = mItems.size();
+
+	if ( items == 0 || begin >= end || begin < 0 || end > items )
+	{
+		return;
+	}
+
+	item_list_t::iterator start_position = mItems.begin();
+	std::advance(start_position, begin);
+
+	item_list_t::iterator end_position = mItems.begin();
+	std::advance(end_position, end);
+
+	for (item_list_t::iterator position_iter = start_position; position_iter != end_position; position_iter++)
+	{
+		LLUICtrl::removeChild(*position_iter);
+	}
+
+	mItems.erase(start_position, end_position);
+
+	if (arrange)
+	{
+		needsArrange();
+	}
+}
+
+// add new item at position
+void LLMenuGL::insert( S32 position, LLView * ctrl, bool arrange /*= true*/ )
+{
+	LLMenuItemGL * item = dynamic_cast<LLMenuItemGL *>(ctrl);
+
+	if (NULL == item || position < 0 || position >= mItems.size())
+	{
+		return;
+	}
+
+	item_list_t::iterator position_iter = mItems.begin();
+	std::advance(position_iter, position);
+	mItems.insert(position_iter, item);
+	LLUICtrl::addChild(item);
+
+	if (arrange)
+	{
+		needsArrange();
+	}
+}
+
 // Adjust rectangle of the menu
 void LLMenuGL::setLeftAndBottom(S32 left, S32 bottom)
 {
@@ -2468,7 +2552,8 @@ BOOL LLMenuGL::append( LLMenuItemGL* item )
 // add a separator to this menu
 BOOL LLMenuGL::addSeparator()
 {
-	LLMenuItemGL* separator = new LLMenuItemSeparatorGL();
+	LLMenuItemSeparatorGL::Params p;
+	LLMenuItemGL* separator = LLUICtrlFactory::create<LLMenuItemSeparatorGL>(p);
 	return addChild(separator);
 }
 
@@ -2501,6 +2586,30 @@ BOOL LLMenuGL::appendMenu( LLMenuGL* menu )
 	return success;
 }
 
+// add a context menu branch
+BOOL LLMenuGL::appendContextSubMenu(LLMenuGL *menu)
+{
+	if (menu == this)
+	{
+		llerrs << "Can't attach a context menu to itself" << llendl;
+	}
+
+	LLContextMenuBranch *item;
+	LLContextMenuBranch::Params p;
+	p.name = menu->getName();
+	p.label = menu->getLabel();
+	p.branch = (LLContextMenu *)menu;
+	p.enabled_color=LLUIColorTable::instance().getColor("MenuItemEnabledColor");
+	p.disabled_color=LLUIColorTable::instance().getColor("MenuItemDisabledColor");
+	p.highlight_bg_color=LLUIColorTable::instance().getColor("MenuItemHighlightBgColor");
+	p.highlight_fg_color=LLUIColorTable::instance().getColor("MenuItemHighlightFgColor");
+
+	item = LLUICtrlFactory::create<LLContextMenuBranch>(p);
+	LLMenuGL::sMenuContainer->addChild(item->getBranch());
+
+	return append( item );
+}
+
 void LLMenuGL::setEnabledSubMenus(BOOL enable)
 {
 	setEnabled(enable);
@@ -3037,11 +3146,29 @@ void LLMenuGL::showPopup(LLView* spawning_view, LLMenuGL* menu, S32 x, S32 y)
 	const S32 CURSOR_HEIGHT = 22;		// Approximate "normal" cursor size
 	const S32 CURSOR_WIDTH = 12;
 
-	if(menu->getChildList()->empty())
+	if (menu->getChildList()->empty())
 	{
 		return;
 	}
 
+	menu->setVisible( TRUE );
+
+	//Do not show menu if all menu items are disabled
+	BOOL item_enabled = false;
+	for (LLView::child_list_t::const_iterator itor = menu->getChildList()->begin();
+			 itor != menu->getChildList()->end();
+			 ++itor)
+	{
+		LLView *menu_item = (*itor);
+		item_enabled = item_enabled || menu_item->getEnabled();
+	}
+
+	if(!item_enabled)
+	{
+		menu->setVisible( FALSE );
+		return;
+	}
+
 	// Save click point for detecting cursor moves before mouse-up.
 	// Must be in local coords to compare with mouseUp events.
 	// If the mouse doesn't move, the menu will stay open ala the Mac.
@@ -3054,8 +3181,6 @@ void LLMenuGL::showPopup(LLView* spawning_view, LLMenuGL* menu, S32 x, S32 y)
 		menu->mFirstVisibleItem = NULL;
 	}
 
-	menu->setVisible( TRUE );
-
 	// Fix menu rect if needed.
 	menu->needsArrange();
 	menu->arrangeAndClear();
@@ -3725,39 +3850,6 @@ void LLTearOffMenu::closeTearOff()
 	mMenu->setDropShadowed(TRUE);
 }
 
-
-//-----------------------------------------------------------------------------
-// class LLContextMenuBranch
-// A branch to another context menu
-//-----------------------------------------------------------------------------
-class LLContextMenuBranch : public LLMenuItemGL
-{
-public:
-	struct Params : public LLInitParam::Block<Params, LLMenuItemGL::Params>
-	{
-		Mandatory<LLContextMenu*> branch;
-	};
-
-	LLContextMenuBranch(const Params&);
-
-	virtual ~LLContextMenuBranch()
-	{}
-
-	// called to rebuild the draw label
-	virtual void	buildDrawLabel( void );
-
-	// onCommit() - do the primary funcationality of the menu item.
-	virtual void	onCommit( void );
-
-	LLContextMenu*	getBranch() { return mBranch.get(); }
-	void			setHighlight( BOOL highlight );
-
-protected:
-	void	showSubMenu();
-
-	LLHandle<LLContextMenu> mBranch;
-};
-
 LLContextMenuBranch::LLContextMenuBranch(const LLContextMenuBranch::Params& p) 
 :	LLMenuItemGL(p),
 	mBranch( p.branch()->getHandle() )
@@ -4029,49 +4121,8 @@ BOOL LLContextMenu::handleRightMouseUp( S32 x, S32 y, MASK mask )
 	return result;
 }
 
-void LLContextMenu::draw()
-{
-	LLMenuGL::draw();
-}
-
-BOOL LLContextMenu::appendContextSubMenu(LLContextMenu *menu)
-{
-	
-	if (menu == this)
-	{
-		llerrs << "Can't attach a context menu to itself" << llendl;
-	}
-
-	LLContextMenuBranch *item;
-	LLContextMenuBranch::Params p;
-	p.name = menu->getName();
-	p.label = menu->getLabel();
-	p.branch = menu;
-	p.enabled_color=LLUIColorTable::instance().getColor("MenuItemEnabledColor");
-	p.disabled_color=LLUIColorTable::instance().getColor("MenuItemDisabledColor");
-	p.highlight_bg_color=LLUIColorTable::instance().getColor("MenuItemHighlightBgColor");
-	p.highlight_fg_color=LLUIColorTable::instance().getColor("MenuItemHighlightFgColor");
-	
-	item = LLUICtrlFactory::create<LLContextMenuBranch>(p);
-	LLMenuGL::sMenuContainer->addChild(item->getBranch());
-
-	return append( item );
-}
-
 bool LLContextMenu::addChild(LLView* view, S32 tab_group)
 {
-	LLContextMenu* context = dynamic_cast<LLContextMenu*>(view);
-	if (context)
-		return appendContextSubMenu(context);
-
-	LLMenuItemSeparatorGL* separator = dynamic_cast<LLMenuItemSeparatorGL*>(view);
-	if (separator)
-		return append(separator);
-
-	LLMenuItemGL* item = dynamic_cast<LLMenuItemGL*>(view);
-	if (item)
-		return append(item);
-
-	return false;
+	return addContextChild(view, tab_group);
 }
 
diff --git a/indra/llui/llmenugl.h b/indra/llui/llmenugl.h
index 67b3e1fbe6..51df5df1f8 100644..100755
--- a/indra/llui/llmenugl.h
+++ b/indra/llui/llmenugl.h
@@ -478,6 +478,12 @@ public:
 	// remove all items on the menu
 	void empty( void );
 
+	// erase group of items from menu
+	void erase( S32 begin, S32 end, bool arrange = true );
+
+	// add new item at position
+	void insert( S32 begin, LLView * ctrl, bool arrange = true );
+
 	void			setItemLastSelected(LLMenuItemGL* item);	// must be in menu
 	U32				getItemCount();				// number of menu items
 	LLMenuItemGL*	getItem(S32 number);		// 0 = first item
@@ -519,6 +525,9 @@ public:
 	void resetScrollPositionOnShow(bool reset_scroll_pos) { mResetScrollPositionOnShow = reset_scroll_pos; }
 	bool isScrollPositionOnShowReset() { return mResetScrollPositionOnShow; }
 
+	// add a context menu branch
+	BOOL appendContextSubMenu(LLMenuGL *menu);
+
 protected:
 	void createSpilloverBranch();
 	void cleanupSpilloverBranch();
@@ -528,6 +537,10 @@ protected:
 	// add a menu - this will create a cascading menu
 	virtual BOOL appendMenu( LLMenuGL* menu );
 
+	// Used in LLContextMenu and in LLTogleableMenu
+	// to add an item of context menu branch
+	bool addContextChild(LLView* view, S32 tab_group);
+
 	// TODO: create accessor methods for these?
 	typedef std::list< LLMenuItemGL* > item_list_t;
 	item_list_t mItems;
@@ -668,8 +681,6 @@ public:
 	// can't set visibility directly, must call show or hide
 	virtual void	setVisible			(BOOL visible);
 	
-	virtual void	draw				();
-	
 	virtual void	show				(S32 x, S32 y, LLView* spawning_view = NULL);
 	virtual void	hide				();
 
@@ -679,8 +690,6 @@ public:
 
 	virtual bool	addChild			(LLView* view, S32 tab_group = 0);
 
-			BOOL	appendContextSubMenu(LLContextMenu *menu);
-
 			LLHandle<LLContextMenu> getHandle() { return getDerivedHandle<LLContextMenu>(); }
 
 			LLView*	getSpawningView() const		{ return mSpawningViewHandle.get(); }
@@ -693,6 +702,37 @@ protected:
 	LLHandle<LLView>			mSpawningViewHandle;
 };
 
+//-----------------------------------------------------------------------------
+// class LLContextMenuBranch
+// A branch to another context menu
+//-----------------------------------------------------------------------------
+class LLContextMenuBranch : public LLMenuItemGL
+{
+public:
+	struct Params : public LLInitParam::Block<Params, LLMenuItemGL::Params>
+	{
+		Mandatory<LLContextMenu*> branch;
+	};
+
+	LLContextMenuBranch(const Params&);
+
+	virtual ~LLContextMenuBranch()
+	{}
+
+	// called to rebuild the draw label
+	virtual void	buildDrawLabel( void );
+
+	// onCommit() - do the primary funcationality of the menu item.
+	virtual void	onCommit( void );
+
+	LLContextMenu*	getBranch() { return mBranch.get(); }
+	void			setHighlight( BOOL highlight );
+
+protected:
+	void	showSubMenu();
+
+	LLHandle<LLContextMenu> mBranch;
+};
 
 
 //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
diff --git a/indra/llui/llmodaldialog.cpp b/indra/llui/llmodaldialog.cpp
index 8c2be44904..8c2be44904 100644..100755
--- a/indra/llui/llmodaldialog.cpp
+++ b/indra/llui/llmodaldialog.cpp
diff --git a/indra/llui/llmodaldialog.h b/indra/llui/llmodaldialog.h
index 4e09d11d77..f81273b96a 100644..100755
--- a/indra/llui/llmodaldialog.h
+++ b/indra/llui/llmodaldialog.h
@@ -40,7 +40,7 @@ class LLModalDialog : public LLFloater
 {
 public:
 	LLModalDialog( const LLSD& key, BOOL modal = true );
-	/*virtual*/ ~LLModalDialog();
+	virtual		~LLModalDialog();
 	
 	/*virtual*/ BOOL 	postBuild();
 	
diff --git a/indra/llui/llmultifloater.cpp b/indra/llui/llmultifloater.cpp
index aa5f577897..179b251cdb 100644..100755
--- a/indra/llui/llmultifloater.cpp
+++ b/indra/llui/llmultifloater.cpp
@@ -41,8 +41,8 @@ LLMultiFloater::LLMultiFloater(const LLSD& key, const LLFloater::Params& params)
 	  mTabContainer(NULL),
 	  mTabPos(LLTabContainer::TOP),
 	  mAutoResize(TRUE),
-	  mOrigMinWidth(0),
-	  mOrigMinHeight(0)
+	  mOrigMinWidth(params.min_width),
+	  mOrigMinHeight(params.min_height)
 {
 }
 
@@ -173,7 +173,7 @@ void LLMultiFloater::addFloater(LLFloater* floaterp, BOOL select_added_floater,
 	else if (floaterp->getHost())
 	{
 		// floaterp is hosted by somebody else and
-		// this is adding it, so remove it from it's old host
+		// this is adding it, so remove it from its old host
 		floaterp->getHost()->removeFloater(floaterp);
 	}
 	else if (floaterp->getParent() == gFloaterView)
@@ -188,11 +188,13 @@ void LLMultiFloater::addFloater(LLFloater* floaterp, BOOL select_added_floater,
 	floater_data.mHeight = floaterp->getRect().getHeight();
 	floater_data.mCanMinimize = floaterp->isMinimizeable();
 	floater_data.mCanResize = floaterp->isResizable();
+    floater_data.mSaveRect = floaterp->mSaveRect;
 
 	// remove minimize and close buttons
 	floaterp->setCanMinimize(FALSE);
 	floaterp->setCanResize(FALSE);
 	floaterp->setCanDrag(FALSE);
+	floaterp->mSaveRect = FALSE;
 	floaterp->storeRectControl();
 	// avoid double rendering of floater background (makes it more opaque)
 	floaterp->setBackgroundVisible(FALSE);
@@ -291,6 +293,7 @@ void LLMultiFloater::removeFloater(LLFloater* floaterp)
 	{
 		LLFloaterData& floater_data = found_data_it->second;
 		floaterp->setCanMinimize(floater_data.mCanMinimize);
+		floaterp->mSaveRect = floater_data.mSaveRect;
 		if (!floater_data.mCanResize)
 		{
 			// restore original size
@@ -468,23 +471,12 @@ BOOL LLMultiFloater::postBuild()
 
 void LLMultiFloater::updateResizeLimits()
 {
-	static LLUICachedControl<S32> tabcntr_close_btn_size ("UITabCntrCloseBtnSize", 0);
-	const LLFloater::Params& default_params = LLFloater::getDefaultParams();
-	S32 floater_header_size = default_params.header_height;
-	S32 tabcntr_header_height = LLPANEL_BORDER_WIDTH + tabcntr_close_btn_size;
 	// initialize minimum size constraint to the original xml values.
 	S32 new_min_width = mOrigMinWidth;
 	S32 new_min_height = mOrigMinHeight;
-	// possibly increase minimum size constraint due to children's minimums.
-	for (S32 tab_idx = 0; tab_idx < mTabContainer->getTabCount(); ++tab_idx)
-	{
-		LLFloater* floaterp = (LLFloater*)mTabContainer->getPanelByIndex(tab_idx);
-		if (floaterp)
-		{
-			new_min_width = llmax(new_min_width, floaterp->getMinWidth() + LLPANEL_BORDER_WIDTH * 2);
-			new_min_height = llmax(new_min_height, floaterp->getMinHeight() + floater_header_size + tabcntr_header_height);
-		}
-	}
+
+	computeResizeLimits(new_min_width, new_min_height);
+
 	setResizeLimits(new_min_width, new_min_height);
 
 	S32 cur_height = getRect().getHeight();
@@ -510,3 +502,22 @@ void LLMultiFloater::updateResizeLimits()
 		gFloaterView->adjustToFitScreen(this, TRUE);
 	}
 }
+
+void LLMultiFloater::computeResizeLimits(S32& new_min_width, S32& new_min_height)
+{
+	static LLUICachedControl<S32> tabcntr_close_btn_size ("UITabCntrCloseBtnSize", 0);
+	const LLFloater::Params& default_params = LLFloater::getDefaultParams();
+	S32 floater_header_size = default_params.header_height;
+	S32 tabcntr_header_height = LLPANEL_BORDER_WIDTH + tabcntr_close_btn_size;
+
+	// possibly increase minimum size constraint due to children's minimums.
+	for (S32 tab_idx = 0; tab_idx < mTabContainer->getTabCount(); ++tab_idx)
+	{
+		LLFloater* floaterp = (LLFloater*)mTabContainer->getPanelByIndex(tab_idx);
+		if (floaterp)
+		{
+			new_min_width = llmax(new_min_width, floaterp->getMinWidth() + LLPANEL_BORDER_WIDTH * 2);
+			new_min_height = llmax(new_min_height, floaterp->getMinHeight() + floater_header_size + tabcntr_header_height);
+		}
+	}
+}
diff --git a/indra/llui/llmultifloater.h b/indra/llui/llmultifloater.h
index 9fa917eca1..d992212650 100644..100755
--- a/indra/llui/llmultifloater.h
+++ b/indra/llui/llmultifloater.h
@@ -45,8 +45,8 @@ public:
 	
 	virtual BOOL postBuild();
 	/*virtual*/ void onOpen(const LLSD& key);
-	/*virtual*/ void draw();
-	/*virtual*/ void setVisible(BOOL visible);
+	virtual void draw();
+	virtual void setVisible(BOOL visible);
 	/*virtual*/ BOOL handleKeyHere(KEY key, MASK mask);
 	/*virtual*/ bool addChild(LLView* view, S32 tab_group = 0);
 
@@ -79,10 +79,11 @@ public:
 protected:
 	struct LLFloaterData
 	{
-		S32		mWidth;
-		S32		mHeight;
-		BOOL	mCanMinimize;
-		BOOL	mCanResize;
+		S32		    mWidth;
+		S32		    mHeight;
+		BOOL	    mCanMinimize;
+		BOOL	    mCanResize;
+		BOOL        mSaveRect;
 	};
 
 	LLTabContainer*		mTabContainer;
@@ -93,6 +94,9 @@ protected:
 	LLTabContainer::TabPosition mTabPos;
 	BOOL				mAutoResize;
 	S32					mOrigMinWidth, mOrigMinHeight;  // logically const but initialized late
+
+private:
+	virtual void computeResizeLimits(S32& new_min_width, S32& new_min_height);
 };
 
 #endif  // LL_MULTI_FLOATER_H
diff --git a/indra/llui/llmultislider.cpp b/indra/llui/llmultislider.cpp
index 70bcfb5b4f..70bcfb5b4f 100644..100755
--- a/indra/llui/llmultislider.cpp
+++ b/indra/llui/llmultislider.cpp
diff --git a/indra/llui/llmultislider.h b/indra/llui/llmultislider.h
index 2b422e89c9..2b422e89c9 100644..100755
--- a/indra/llui/llmultislider.h
+++ b/indra/llui/llmultislider.h
diff --git a/indra/llui/llmultisliderctrl.cpp b/indra/llui/llmultisliderctrl.cpp
index 91e5b6b9de..91e5b6b9de 100644..100755
--- a/indra/llui/llmultisliderctrl.cpp
+++ b/indra/llui/llmultisliderctrl.cpp
diff --git a/indra/llui/llmultisliderctrl.h b/indra/llui/llmultisliderctrl.h
index b6a3542376..b6a3542376 100644..100755
--- a/indra/llui/llmultisliderctrl.h
+++ b/indra/llui/llmultisliderctrl.h
diff --git a/indra/llui/llnotificationptr.h b/indra/llui/llnotificationptr.h
index acc047527f..acc047527f 100644..100755
--- a/indra/llui/llnotificationptr.h
+++ b/indra/llui/llnotificationptr.h
diff --git a/indra/llui/llnotifications.cpp b/indra/llui/llnotifications.cpp
index 210a320f41..3186c5460a 100644..100755
--- a/indra/llui/llnotifications.cpp
+++ b/indra/llui/llnotifications.cpp
@@ -39,7 +39,6 @@
 #include "lldir.h"
 #include "llsdserialize.h"
 #include "lltrans.h"
-#include "llnotificationslistener.h"
 #include "llstring.h"
 #include "llsdparam.h"
 #include "llsdutil.h"
@@ -60,7 +59,8 @@ void NotificationPriorityValues::declareValues()
 }
 
 LLNotificationForm::FormElementBase::FormElementBase()
-:	name("name")
+:	name("name"),
+	enabled("enabled", true)
 {}
 
 LLNotificationForm::FormIgnore::FormIgnore()
@@ -104,39 +104,7 @@ LLNotificationForm::Params::Params()
 	form_elements("")
 {}
 
-// Local channel for persistent notifications
-// Stores only persistent notifications.
-// Class users can use connectChanged() to process persistent notifications
-// (see LLNotificationStorage for example).
-class LLPersistentNotificationChannel : public LLNotificationChannel
-{
-	LOG_CLASS(LLPersistentNotificationChannel);
-public:
-	LLPersistentNotificationChannel() :
-		LLNotificationChannel("Persistent", "Visible", &notificationFilter, LLNotificationComparators::orderByUUID())
-	{
-	}
-
-private:
 
-	// The channel gets all persistent notifications except those that have been canceled
-	static bool notificationFilter(LLNotificationPtr pNotification)
-	{
-		bool handle_notification = false;
-
-		handle_notification = pNotification->isPersistent()
-			&& !pNotification->isCancelled();
-
-		return handle_notification;
-	}
-
-	void onDelete(LLNotificationPtr pNotification)
-	{
-		// we want to keep deleted notifications in our log, otherwise some 
-		// notifications will be lost on exit.
-		mItems.insert(pNotification);
-	}
-};
 
 bool filterIgnoredNotifications(LLNotificationPtr notification)
 {
@@ -210,6 +178,14 @@ LLNotificationForm::LLNotificationForm()
 {
 }
 
+LLNotificationForm::LLNotificationForm( const LLNotificationForm& other )
+{
+	mFormData 	   = other.mFormData;
+	mIgnore 	   = other.mIgnore;
+	mIgnoreMsg 	   = other.mIgnoreMsg;
+	mIgnoreSetting = other.mIgnoreSetting;
+	mInvertSetting = other.mInvertSetting;
+}
 
 LLNotificationForm::LLNotificationForm(const std::string& name, const LLNotificationForm::Params& p) 
 :	mIgnore(IGNORE_NO),
@@ -238,7 +214,7 @@ LLNotificationForm::LLNotificationForm(const std::string& name, const LLNotifica
 		}
 		else
 		{
-			LLUI::sSettingGroups["ignores"]->declareBOOL(name, show_notification, "Show notification with this name", TRUE);
+			LLUI::sSettingGroups["ignores"]->declareBOOL(name, show_notification, "Show notification with this name", LLControlVariable::PERSIST_NONDFT);
 			mIgnoreSetting = LLUI::sSettingGroups["ignores"]->getControl(name);
 		}
 	}
@@ -246,14 +222,6 @@ LLNotificationForm::LLNotificationForm(const std::string& name, const LLNotifica
 	LLParamSDParser parser;
 	parser.writeSD(mFormData, p.form_elements);
 
-	if (!mFormData.isArray())
-	{
-		// change existing contents to a one element array
-		LLSD new_llsd_array = LLSD::emptyArray();
-		new_llsd_array.append(mFormData);
-		mFormData = new_llsd_array;
-	}
-
 	for (LLSD::array_iterator it = mFormData.beginArray(), end_it = mFormData.endArray();
 		it != end_it;
 		++it)
@@ -300,7 +268,7 @@ LLSD LLNotificationForm::getElement(const std::string& element_name)
 }
 
 
-bool LLNotificationForm::hasElement(const std::string& element_name)
+bool LLNotificationForm::hasElement(const std::string& element_name) const
 {
 	for (LLSD::array_const_iterator it = mFormData.beginArray();
 		it != mFormData.endArray();
@@ -311,7 +279,48 @@ bool LLNotificationForm::hasElement(const std::string& element_name)
 	return false;
 }
 
-void LLNotificationForm::addElement(const std::string& type, const std::string& name, const LLSD& value)
+void LLNotificationForm::getElements(LLSD& elements, S32 offset)
+{
+    //Finds elements that the template did not add
+    LLSD::array_const_iterator it = mFormData.beginArray() + offset;
+
+    //Keeps track of only the dynamic elements
+    for(; it != mFormData.endArray(); ++it)
+    {
+        elements.append(*it);
+    }
+}
+
+bool LLNotificationForm::getElementEnabled(const std::string& element_name) const
+{
+	for (LLSD::array_const_iterator it = mFormData.beginArray();
+		it != mFormData.endArray();
+		++it)
+	{
+		if ((*it)["name"].asString() == element_name)
+		{
+			return (*it)["enabled"].asBoolean();
+		}
+	}
+
+	return false;
+}
+
+void LLNotificationForm::setElementEnabled(const std::string& element_name, bool enabled)
+{
+	for (LLSD::array_iterator it = mFormData.beginArray();
+		it != mFormData.endArray();
+		++it)
+	{
+		if ((*it)["name"].asString() == element_name)
+		{
+			(*it)["enabled"] = enabled;
+		}
+	}
+}
+
+
+void LLNotificationForm::addElement(const std::string& type, const std::string& name, const LLSD& value, bool enabled)
 {
 	LLSD element;
 	element["type"] = type;
@@ -319,6 +328,7 @@ void LLNotificationForm::addElement(const std::string& type, const std::string&
 	element["text"] = name;
 	element["value"] = value;
 	element["index"] = mFormData.size();
+	element["enabled"] = enabled;
 	mFormData.append(element);
 }
 
@@ -408,14 +418,19 @@ LLNotificationTemplate::LLNotificationTemplate(const LLNotificationTemplate::Par
 	mURLOption(p.url.option),
 	mURLTarget(p.url.target),
 	mUnique(p.unique.isProvided()),
+	mCombineBehavior(p.unique.combine),
 	mPriority(p.priority),
 	mPersist(p.persist),
-	mDefaultFunctor(p.functor.isProvided() ? p.functor() : p.name())
+	mDefaultFunctor(p.functor.isProvided() ? p.functor() : p.name()),
+	mLogToChat(p.log_to_chat),
+	mLogToIM(p.log_to_im),
+	mShowToast(p.show_toast),
+    mSoundName("")
 {
 	if (p.sound.isProvided()
 		&& LLUI::sSettingGroups["config"]->controlExists(p.sound))
 	{
-		mSoundEffect = LLUUID(LLUI::sSettingGroups["config"]->getString(p.sound));
+		mSoundName = p.sound;
 	}
 
 	BOOST_FOREACH(const LLNotificationTemplate::UniquenessContext& context, p.unique.contexts)
@@ -460,18 +475,20 @@ LLNotificationVisibilityRule::LLNotificationVisibilityRule(const LLNotificationV
 	}
 }
 
-LLNotification::LLNotification(const LLNotification::Params& p) : 
+LLNotification::LLNotification(const LLSDParamAdapter<Params>& p) : 
 	mTimestamp(p.time_stamp), 
 	mSubstitutions(p.substitutions),
 	mPayload(p.payload),
-	mExpiresAt(0),
+	mExpiresAt(p.expiry),
 	mTemporaryResponder(false),
 	mRespondedTo(false),
 	mPriority(p.priority),
 	mCancelled(false),
 	mIgnored(false),
 	mResponderObj(NULL),
-	mIsReusable(false)
+	mId(p.id.isProvided() ? p.id : LLUUID::generateNewID()),
+	mOfferFromAgent(p.offer_from_agent),
+    mIsDND(p.is_dnd)
 {
 	if (p.functor.name.isChosen())
 	{
@@ -494,52 +511,52 @@ LLNotification::LLNotification(const LLNotification::Params& p) :
 		mResponderObj = p.responder;
 	}
 
-	mId.generate();
 	init(p.name, p.form_elements);
 }
 
 
-LLNotification::LLNotification(const LLSD& sd) :
-	mTemporaryResponder(false),
-	mRespondedTo(false),
-	mCancelled(false),
-	mIgnored(false),
-	mResponderObj(NULL),
-	mIsReusable(false)
-{ 
-	mId.generate();
-	mSubstitutions = sd["substitutions"];
-	mPayload = sd["payload"]; 
-	mTimestamp = sd["time"]; 
-	mExpiresAt = sd["expiry"];
-	mPriority = (ENotificationPriority)sd["priority"].asInteger();
-	mResponseFunctorName = sd["responseFunctor"].asString();
-	std::string templatename = sd["name"].asString();
-	init(templatename, LLSD());
-	// replace form with serialized version
-	mForm = LLNotificationFormPtr(new LLNotificationForm(sd["form"]));
-}
-
-
-LLSD LLNotification::asLLSD()
+LLSD LLNotification::asLLSD(bool excludeTemplateElements)
 {
-	LLSD output;
-	output["id"] = mId;
-	output["name"] = mTemplatep->mName;
-	output["form"] = getForm()->asLLSD();
-	output["substitutions"] = mSubstitutions;
-	output["payload"] = mPayload;
-	output["time"] = mTimestamp;
-	output["expiry"] = mExpiresAt;
-	output["priority"] = (S32)mPriority;
-	output["responseFunctor"] = mResponseFunctorName;
-	output["reusable"] = mIsReusable;
+	LLParamSDParser parser;
 
-	if(mResponder)
-	{
-		output["responder"] = mResponder->asLLSD();
+	Params p;
+	p.id = mId;
+	p.name = mTemplatep->mName;
+	p.substitutions = mSubstitutions;
+	p.payload = mPayload;
+	p.time_stamp = mTimestamp;
+	p.expiry = mExpiresAt;
+	p.priority = mPriority;
+
+    LLNotificationFormPtr templateForm = mTemplatep->mForm;
+    LLSD formElements = mForm->asLLSD();
+
+    //All form elements (dynamic or not)
+    if(!excludeTemplateElements)
+    {
+        p.form_elements = formElements;
+    }
+    //Only dynamic form elements (exclude template elements)
+    else if(templateForm->getNumElements() < formElements.size())
+    {
+        LLSD dynamicElements;
+        //Offset to dynamic elements and store them
+        mForm->getElements(dynamicElements, templateForm->getNumElements());
+        p.form_elements = dynamicElements;
+    }
+    
+    if(mResponder)
+    {
+        p.functor.responder_sd = mResponder->asLLSD();
+    }
+    
+	if(!mResponseFunctorName.empty())
+	{
+		p.functor.name = mResponseFunctorName;
 	}
 
+	LLSD output;
+	parser.writeSD(output, p);
 	return output;
 }
 
@@ -569,7 +586,6 @@ void LLNotification::updateFrom(LLNotificationPtr other)
 	mRespondedTo = other->mRespondedTo;
 	mResponse = other->mResponse;
 	mTemporaryResponder = other->mTemporaryResponder;
-	mIsReusable = other->isReusable();
 
 	update();
 }
@@ -668,7 +684,7 @@ void LLNotification::respond(const LLSD& response)
 		return;
 	}
 
-	if (mTemporaryResponder && !isReusable())
+	if (mTemporaryResponder)
 	{
 		LLNotificationFunctorRegistry::instance().unregisterFunctor(mResponseFunctorName);
 		mResponseFunctorName = "";
@@ -829,7 +845,7 @@ void LLNotification::init(const std::string& template_name, const LLSD& form_ele
 	//mSubstitutions["_ARGS"] = get_all_arguments_as_text(mSubstitutions);
 
 	mForm = LLNotificationFormPtr(new LLNotificationForm(*mTemplatep->mForm));
-	mForm->append(form_elements);
+    mForm->append(form_elements);
 
 	// apply substitution to form labels
 	mForm->formatElements(mSubstitutions);
@@ -897,6 +913,49 @@ std::string LLNotification::getURL() const
 	return (mTemplatep ? url : "");
 }
 
+bool LLNotification::canLogToChat() const
+{
+	return mTemplatep->mLogToChat;
+}
+
+bool LLNotification::canLogToIM() const
+{
+	return mTemplatep->mLogToIM;
+}
+
+bool LLNotification::canShowToast() const
+{
+	return mTemplatep->mShowToast;
+}
+
+bool LLNotification::hasFormElements() const
+{
+	return mTemplatep->mForm->getNumElements() != 0;
+}
+
+void LLNotification::playSound()
+{ 
+    make_ui_sound(mTemplatep->mSoundName.c_str());
+}
+
+LLNotification::ECombineBehavior LLNotification::getCombineBehavior() const
+{
+	return mTemplatep->mCombineBehavior;
+}
+
+void LLNotification::updateForm( const LLNotificationFormPtr& form )
+{
+	mForm = form;
+}
+
+void LLNotification::repost()
+{
+	mRespondedTo = false;
+	LLNotifications::instance().update(shared_from_this());
+}
+
+
+
 // =========================================================
 // LLNotificationChannel implementation
 // ---
@@ -957,7 +1016,7 @@ bool LLNotificationChannelBase::updateItem(const LLSD& payload, LLNotificationPt
 	std::string cmd = payload["sigtype"];
 	LLNotificationSet::iterator foundItem = mItems.find(pNotification);
 	bool wasFound = (foundItem != mItems.end());
-	bool passesFilter = mFilter(pNotification);
+	bool passesFilter = mFilter ? mFilter(pNotification) : true;
 	
 	// first, we offer the result of the filter test to the simple
 	// signals for pass/fail. One of these is guaranteed to be called.
@@ -966,10 +1025,12 @@ bool LLNotificationChannelBase::updateItem(const LLSD& payload, LLNotificationPt
 	bool abortProcessing = false;
 	if (passesFilter)
 	{
+		onFilterPass(pNotification);
 		abortProcessing = mPassedFilter(payload);
 	}
 	else
 	{
+		onFilterFail(pNotification);
 		abortProcessing = mFailedFilter(payload);
 	}
 	
@@ -987,8 +1048,8 @@ bool LLNotificationChannelBase::updateItem(const LLSD& payload, LLNotificationPt
 		{
 			// not in our list, add it and say so
 			mItems.insert(pNotification);
-			abortProcessing = mChanged(payload);
 			onLoad(pNotification);
+			abortProcessing = mChanged(payload);
 		}
 	}
 	else if (cmd == "change")
@@ -1003,18 +1064,18 @@ bool LLNotificationChannelBase::updateItem(const LLSD& payload, LLNotificationPt
 			{
 				// it already existed, so this is a change
 				// since it changed in place, all we have to do is resend the signal
-				abortProcessing = mChanged(payload);
 				onChange(pNotification);
+				abortProcessing = mChanged(payload);
 			}
 			else
 			{
 				// not in our list, add it and say so
 				mItems.insert(pNotification);
+				onChange(pNotification);
 				// our payload is const, so make a copy before changing it
 				LLSD newpayload = payload;
 				newpayload["sigtype"] = "add";
 				abortProcessing = mChanged(newpayload);
-				onChange(pNotification);
 			}
 		}
 		else
@@ -1023,11 +1084,11 @@ bool LLNotificationChannelBase::updateItem(const LLSD& payload, LLNotificationPt
 			{
 				// it already existed, so this is a delete
 				mItems.erase(pNotification);
+				onChange(pNotification);
 				// our payload is const, so make a copy before changing it
 				LLSD newpayload = payload;
 				newpayload["sigtype"] = "delete";
 				abortProcessing = mChanged(newpayload);
-				onChange(pNotification);
 			}
 			// didn't pass, not on our list, do nothing
 		}
@@ -1041,8 +1102,8 @@ bool LLNotificationChannelBase::updateItem(const LLSD& payload, LLNotificationPt
 		{
 			// not in our list, add it and say so
 			mItems.insert(pNotification);
-			abortProcessing = mChanged(payload);
 			onAdd(pNotification);
+			abortProcessing = mChanged(payload);
 		}
 	}
 	else if (cmd == "delete")
@@ -1050,65 +1111,35 @@ bool LLNotificationChannelBase::updateItem(const LLSD& payload, LLNotificationPt
 		// if we have it in our list, pass on the delete, then delete it, else do nothing
 		if (wasFound)
 		{
+			onDelete(pNotification);
 			abortProcessing = mChanged(payload);
-			// do not delete the notification to make LLChatHistory::appendMessage add notification panel to IM window
-			if( ! pNotification->isReusable() )
-			{
-				mItems.erase(pNotification);
-				onDelete(pNotification);
-			}
+			mItems.erase(pNotification);
 		}
 	}
 	return abortProcessing;
 }
 
-/* static */
-LLNotificationChannelPtr LLNotificationChannel::buildChannel(const std::string& name, 
-															 const std::string& parent,
-															 LLNotificationFilter filter, 
-															 LLNotificationComparator comparator)
+LLNotificationChannel::LLNotificationChannel(const Params& p)
+:	LLNotificationChannelBase(p.filter()),
+	LLInstanceTracker<LLNotificationChannel, std::string>(p.name.isProvided() ? p.name : LLUUID::generateNewID().asString()),
+	mName(p.name.isProvided() ? p.name : LLUUID::generateNewID().asString())
 {
-	// note: this is not a leak; notifications are self-registering.
-	// This factory helps to prevent excess deletions by making sure all smart
-	// pointers to notification channels come from the same source
-	new LLNotificationChannel(name, parent, filter, comparator);
-	return LLNotifications::instance().getChannel(name);
+	BOOST_FOREACH(const std::string& source, p.sources)
+    {
+		connectToChannel(source);
+	}
 }
 
 
 LLNotificationChannel::LLNotificationChannel(const std::string& name, 
 											 const std::string& parent,
-											 LLNotificationFilter filter, 
-											 LLNotificationComparator comparator) : 
-LLNotificationChannelBase(filter, comparator),
-mName(name),
-mParent(parent)
-{
-	// store myself in the channel map
-	LLNotifications::instance().addChannel(LLNotificationChannelPtr(this));
+											 LLNotificationFilter filter) 
+:	LLNotificationChannelBase(filter),
+	LLInstanceTracker<LLNotificationChannel, std::string>(name),
+	mName(name)
+{
 	// bind to notification broadcast
-	if (parent.empty())
-	{
-		LLNotifications::instance().connectChanged(
-			boost::bind(&LLNotificationChannelBase::updateItem, this, _1));
-	}
-	else
-	{
-		LLNotificationChannelPtr p = LLNotifications::instance().getChannel(parent);
-		p->connectChanged(boost::bind(&LLNotificationChannelBase::updateItem, this, _1));
-	}
-}
-
-
-void LLNotificationChannel::setComparator(LLNotificationComparator comparator) 
-{ 
-	mComparator = comparator; 
-	LLNotificationSet s2(mComparator);
-	s2.insert(mItems.begin(), mItems.end());
-	mItems.swap(s2);
-	
-	// notify clients that we've been resorted
-	mChanged(LLSD().with("sigtype", "sort")); 
+	connectToChannel(parent);
 }
 
 bool LLNotificationChannel::isEmpty() const
@@ -1116,6 +1147,11 @@ bool LLNotificationChannel::isEmpty() const
 	return mItems.empty();
 }
 
+S32 LLNotificationChannel::size() const
+{
+	return mItems.size();
+}
+
 LLNotificationChannel::Iterator LLNotificationChannel::begin()
 {
 	return mItems.begin();
@@ -1126,6 +1162,11 @@ LLNotificationChannel::Iterator LLNotificationChannel::end()
 	return mItems.end();
 }
 
+size_t LLNotificationChannel::size()
+{
+	return mItems.size();
+}
+
 std::string LLNotificationChannel::summarize()
 {
 	std::string s("Channel '");
@@ -1139,24 +1180,39 @@ std::string LLNotificationChannel::summarize()
 	return s;
 }
 
+void LLNotificationChannel::connectToChannel( const std::string& channel_name )
+{
+	if (channel_name.empty())
+	{
+		LLNotifications::instance().connectChanged(
+			boost::bind(&LLNotificationChannelBase::updateItem, this, _1));
+	}
+	else
+	{
+		LLNotificationChannelPtr p = LLNotifications::instance().getChannel(channel_name);
+		p->connectChanged(boost::bind(&LLNotificationChannelBase::updateItem, this, _1));
+	}
+}
 
 // ---
 // END OF LLNotificationChannel implementation
 // =========================================================
 
 
-// =========================================================
+// ==============================================	===========
 // LLNotifications implementation
 // ---
-LLNotifications::LLNotifications() : LLNotificationChannelBase(LLNotificationFilters::includeEverything,
-															   LLNotificationComparators::orderByUUID()),
-									mIgnoreAllNotifications(false)
+LLNotifications::LLNotifications() 
+:	LLNotificationChannelBase(LLNotificationFilters::includeEverything),
+	mIgnoreAllNotifications(false)
 {
 	LLUICtrl::CommitCallbackRegistry::currentRegistrar().add("Notification.Show", boost::bind(&LLNotifications::addFromCallback, this, _2));
-
-    mListener.reset(new LLNotificationsListener(*this));
 }
 
+void LLNotifications::clear()
+{
+   mDefaultChannels.clear();
+}
 
 // The expiration channel gets all notifications that are cancelled
 bool LLNotifications::expirationFilter(LLNotificationPtr pNotification)
@@ -1191,7 +1247,15 @@ bool LLNotifications::uniqueFilter(LLNotificationPtr pNotif)
 		if (pNotif != existing_notification 
 			&& pNotif->isEquivalentTo(existing_notification))
 		{
-			return false;
+			if (pNotif->getCombineBehavior() == LLNotification::CANCEL_OLD)
+			{
+				cancel(existing_notification);
+				return true;
+			}
+			else
+			{
+				return false;
+			}
 		}
 	}
 
@@ -1231,43 +1295,43 @@ bool LLNotifications::failedUniquenessTest(const LLSD& payload)
 		return false;
 	}
 
-	// Update the existing unique notification with the data from this particular instance...
-	// This guarantees that duplicate notifications will be collapsed to the one
-	// most recently triggered
-	for (LLNotificationMap::iterator existing_it = mUniqueNotifications.find(pNotif->getName());
-		existing_it != mUniqueNotifications.end();
-		++existing_it)
+	switch(pNotif->getCombineBehavior())
 	{
-		LLNotificationPtr existing_notification = existing_it->second;
-		if (pNotif != existing_notification 
-			&& pNotif->isEquivalentTo(existing_notification))
+	case  LLNotification::REPLACE_WITH_NEW:
+		// Update the existing unique notification with the data from this particular instance...
+		// This guarantees that duplicate notifications will be collapsed to the one
+		// most recently triggered
+		for (LLNotificationMap::iterator existing_it = mUniqueNotifications.find(pNotif->getName());
+			existing_it != mUniqueNotifications.end();
+			++existing_it)
 		{
-			// copy notification instance data over to oldest instance
-			// of this unique notification and update it
-			existing_notification->updateFrom(pNotif);
-			// then delete the new one
-			cancel(pNotif);
+			LLNotificationPtr existing_notification = existing_it->second;
+			if (pNotif != existing_notification 
+				&& pNotif->isEquivalentTo(existing_notification))
+			{
+				// copy notification instance data over to oldest instance
+				// of this unique notification and update it
+				existing_notification->updateFrom(pNotif);
+				// then delete the new one
+				cancel(pNotif);
+			}
 		}
+		break;
+	case LLNotification::KEEP_OLD:
+		break;
+	case LLNotification::CANCEL_OLD:
+		// already handled by filter logic
+		break;
+	default:
+		break;
 	}
 
 	return false;
 }
 
-
-void LLNotifications::addChannel(LLNotificationChannelPtr pChan)
-{
-	mChannels[pChan->getName()] = pChan;
-}
-
 LLNotificationChannelPtr LLNotifications::getChannel(const std::string& channelName)
 {
-	ChannelMap::iterator p = mChannels.find(channelName);
-	if(p == mChannels.end())
-	{
-		llerrs << "Did not find channel named " << channelName << llendl;
-		return LLNotificationChannelPtr();
-	}
-	return p->second;
+	return LLNotificationChannelPtr(LLNotificationChannel::getInstance(channelName));
 }
 
 
@@ -1283,24 +1347,21 @@ void LLNotifications::createDefaultChannels()
 {
 	// now construct the various channels AFTER loading the notifications,
 	// because the history channel is going to rewrite the stored notifications file
-	LLNotificationChannel::buildChannel("Enabled", "",
-		!boost::bind(&LLNotifications::getIgnoreAllNotifications, this));
-	LLNotificationChannel::buildChannel("Expiration", "Enabled",
-		boost::bind(&LLNotifications::expirationFilter, this, _1));
-	LLNotificationChannel::buildChannel("Unexpired", "Enabled",
-		!boost::bind(&LLNotifications::expirationFilter, this, _1)); // use negated bind
-	LLNotificationChannel::buildChannel("Unique", "Unexpired",
-		boost::bind(&LLNotifications::uniqueFilter, this, _1));
-	LLNotificationChannel::buildChannel("Ignore", "Unique",
-		filterIgnoredNotifications);
-	LLNotificationChannel::buildChannel("VisibilityRules", "Ignore",
-		boost::bind(&LLNotifications::isVisibleByRules, this, _1));
-	LLNotificationChannel::buildChannel("Visible", "VisibilityRules",
-		&LLNotificationFilters::includeEverything);
-
-	// create special persistent notification channel
-	// this isn't a leak, don't worry about the empty "new"
-	new LLPersistentNotificationChannel();
+	mDefaultChannels.push_back(new LLNotificationChannel("Enabled", "",
+		!boost::bind(&LLNotifications::getIgnoreAllNotifications, this)));
+	mDefaultChannels.push_back(new LLNotificationChannel("Expiration", "Enabled",
+		boost::bind(&LLNotifications::expirationFilter, this, _1)));
+	mDefaultChannels.push_back(new LLNotificationChannel("Unexpired", "Enabled",
+		!boost::bind(&LLNotifications::expirationFilter, this, _1))); // use negated bind
+	mDefaultChannels.push_back(new LLNotificationChannel("Unique", "Unexpired",
+		boost::bind(&LLNotifications::uniqueFilter, this, _1)));
+	mDefaultChannels.push_back(new LLNotificationChannel("Ignore", "Unique",
+		filterIgnoredNotifications));
+	mDefaultChannels.push_back(new LLNotificationChannel("VisibilityRules", "Ignore",
+		boost::bind(&LLNotifications::isVisibleByRules, this, _1)));
+	mDefaultChannels.push_back(new LLNotificationChannel("Visible", "VisibilityRules",
+		&LLNotificationFilters::includeEverything));
+	mDefaultChannels.push_back(new LLPersistentNotificationChannel());
 
 	// connect action methods to these channels
 	LLNotifications::instance().getChannel("Enabled")->
@@ -1532,34 +1593,32 @@ void LLNotifications::addFromCallback(const LLSD& name)
 	add(name.asString(), LLSD(), LLSD());
 }
 
-LLNotificationPtr LLNotifications::add(const std::string& name, 
-									   const LLSD& substitutions, 
-									   const LLSD& payload)
+LLNotificationPtr LLNotifications::add(const std::string& name, const LLSD& substitutions, const LLSD& payload)
 {
 	LLNotification::Params::Functor functor_p;
 	functor_p.name = name;
 	return add(LLNotification::Params().name(name).substitutions(substitutions).payload(payload).functor(functor_p));	
 }
 
-LLNotificationPtr LLNotifications::add(const std::string& name, 
-									   const LLSD& substitutions, 
-									   const LLSD& payload, 
-									   const std::string& functor_name)
+LLNotificationPtr LLNotifications::add(const std::string& name, const LLSD& substitutions, const LLSD& payload, const std::string& functor_name)
 {
 	LLNotification::Params::Functor functor_p;
 	functor_p.name = functor_name;
-	return add(LLNotification::Params().name(name).substitutions(substitutions).payload(payload).functor(functor_p));	
+	return add(LLNotification::Params().name(name)
+										.substitutions(substitutions)
+										.payload(payload)
+										.functor(functor_p));	
 }
 							  
 //virtual
-LLNotificationPtr LLNotifications::add(const std::string& name, 
-										const LLSD& substitutions, 
-										const LLSD& payload, 
-										LLNotificationFunctorRegistry::ResponseFunctor functor)
+LLNotificationPtr LLNotifications::add(const std::string& name, const LLSD& substitutions, const LLSD& payload, LLNotificationFunctorRegistry::ResponseFunctor functor)
 {
 	LLNotification::Params::Functor functor_p;
 	functor_p.function = functor;
-	return add(LLNotification::Params().name(name).substitutions(substitutions).payload(payload).functor(functor_p));	
+	return add(LLNotification::Params().name(name)
+										.substitutions(substitutions)
+										.payload(payload)
+										.functor(functor_p));	
 }
 
 // generalized add function that takes a parameter block object for more complex instantiations
@@ -1590,12 +1649,11 @@ void LLNotifications::cancel(LLNotificationPtr pNotif)
 	if (pNotif == NULL || pNotif->isCancelled()) return;
 
 	LLNotificationSet::iterator it=mItems.find(pNotif);
-	if (it == mItems.end())
+	if (it != mItems.end())
 	{
-		llerrs << "Attempted to delete nonexistent notification " << pNotif->getName() << llendl;
+		pNotif->cancel();
+		updateItem(LLSD().with("sigtype", "delete").with("id", pNotif->id()), pNotif);
 	}
-	pNotif->cancel();
-	updateItem(LLSD().with("sigtype", "delete").with("id", pNotif->id()), pNotif);
 }
 
 void LLNotifications::cancelByName(const std::string& name)
@@ -1634,7 +1692,7 @@ void LLNotifications::update(const LLNotificationPtr pNotif)
 
 LLNotificationPtr LLNotifications::find(LLUUID uuid)
 {
-	LLNotificationPtr target = LLNotificationPtr(new LLNotification(uuid));
+	LLNotificationPtr target = LLNotificationPtr(new LLNotification(LLNotification::Params().id(uuid)));
 	LLNotificationSet::iterator it=mItems.find(target);
 	if (it == mItems.end())
 	{
@@ -1773,22 +1831,18 @@ std::ostream& operator<<(std::ostream& s, const LLNotification& notification)
 	return s;
 }
 
-//static
-void LLPostponedNotification::lookupName(LLPostponedNotification* thiz,
-										 const LLUUID& id,
+void LLPostponedNotification::lookupName(const LLUUID& id,
 										 bool is_group)
 {
 	if (is_group)
 	{
 		gCacheName->getGroup(id,
 			boost::bind(&LLPostponedNotification::onGroupNameCache,
-				thiz, _1, _2, _3));
+				this, _1, _2, _3));
 	}
 	else
 	{
-		LLAvatarNameCache::get(id,
-			boost::bind(&LLPostponedNotification::onAvatarNameCache,
-				thiz, _1, _2));
+		fetchAvatarName(id);
 	}
 }
 
@@ -1799,9 +1853,24 @@ void LLPostponedNotification::onGroupNameCache(const LLUUID& id,
 	finalizeName(full_name);
 }
 
+void LLPostponedNotification::fetchAvatarName(const LLUUID& id)
+{
+	if (id.notNull())
+	{
+		if (mAvatarNameCacheConnection.connected())
+		{
+			mAvatarNameCacheConnection.disconnect();
+		}
+
+		mAvatarNameCacheConnection = LLAvatarNameCache::get(id, boost::bind(&LLPostponedNotification::onAvatarNameCache, this, _1, _2));
+	}
+}
+
 void LLPostponedNotification::onAvatarNameCache(const LLUUID& agent_id,
 												const LLAvatarName& av_name)
 {
+	mAvatarNameCacheConnection.disconnect();
+
 	std::string name = av_name.getCompleteName();
 
 	// from PE merge - we should figure out if this is the right thing to do
diff --git a/indra/llui/llnotifications.h b/indra/llui/llnotifications.h
index 4ae02b943f..3b620084ee 100644..100755
--- a/indra/llui/llnotifications.h
+++ b/indra/llui/llnotifications.h
@@ -87,17 +87,16 @@
 #include <boost/shared_ptr.hpp>
 #include <boost/enable_shared_from_this.hpp>
 #include <boost/type_traits.hpp>
+#include <boost/signals2.hpp>
 
-// we want to minimize external dependencies, but this one is important
-#include "llsd.h"
-
-// and we need this to manage the notification callbacks
 #include "llevents.h"
 #include "llfunctorregistry.h"
-#include "llpointer.h"
 #include "llinitparam.h"
-#include "llnotificationslistener.h"
+#include "llmortician.h"
 #include "llnotificationptr.h"
+#include "llpointer.h"
+#include "llrefcount.h"
+#include "llsdparam.h"
 
 class LLAvatarName;
 typedef enum e_notification_priority
@@ -139,6 +138,7 @@ typedef LLFunctorRegistration<LLNotificationResponder> LLNotificationFunctorRegi
 class LLNotificationContext : public LLInstanceTracker<LLNotificationContext, LLUUID>
 {
 public:
+
 	LLNotificationContext() : LLInstanceTracker<LLNotificationContext, LLUUID>(LLUUID::generateNewID())
 	{
 	}
@@ -164,6 +164,7 @@ public:
 	struct FormElementBase : public LLInitParam::Block<FormElementBase>
 	{
 		Optional<std::string>	name;
+		Optional<bool>			enabled;
 
 		FormElementBase();
 	};
@@ -233,16 +234,21 @@ public:
 	} EIgnoreType;
 
 	LLNotificationForm();
+	LLNotificationForm(const LLNotificationForm&);
 	LLNotificationForm(const LLSD& sd);
 	LLNotificationForm(const std::string& name, const Params& p);
 
+	void fromLLSD(const LLSD& sd);
 	LLSD asLLSD() const;
 
 	S32 getNumElements() { return mFormData.size(); }
 	LLSD getElement(S32 index) { return mFormData.get(index); }
 	LLSD getElement(const std::string& element_name);
-	bool hasElement(const std::string& element_name);
-	void addElement(const std::string& type, const std::string& name, const LLSD& value = LLSD());
+    void getElements(LLSD& elements, S32 offset = 0);
+	bool hasElement(const std::string& element_name) const;
+	bool getElementEnabled(const std::string& element_name) const;
+	void setElementEnabled(const std::string& element_name, bool enabled);
+	void addElement(const std::string& type, const std::string& name, const LLSD& value = LLSD(), bool enabled = true);
 	void formatElements(const LLSD& substitutions);
 	// appends form elements from another form serialized as LLSD
 	void append(const LLSD& sub_form);
@@ -296,42 +302,52 @@ LOG_CLASS(LLNotification);
 friend class LLNotifications;
 
 public:
+
 	// parameter object used to instantiate a new notification
 	struct Params : public LLInitParam::Block<Params>
 	{
 		friend class LLNotification;
 	
 		Mandatory<std::string>					name;
-
-		// optional
-		Optional<LLSD>							substitutions;
-		Optional<LLSD>							payload;
+		Optional<LLUUID>						id;
+		Optional<LLSD>							substitutions,
+												form_elements,
+												payload;
 		Optional<ENotificationPriority, NotificationPriorityValues>	priority;
-		Optional<LLSD>							form_elements;
-		Optional<LLDate>						time_stamp;
+		Optional<LLDate>						time_stamp,
+												expiry;
 		Optional<LLNotificationContext*>		context;
 		Optional<void*>							responder;
+		Optional<bool>							offer_from_agent;
+        Optional<bool>							is_dnd;
 
 		struct Functor : public LLInitParam::ChoiceBlock<Functor>
 		{
 			Alternative<std::string>										name;
 			Alternative<LLNotificationFunctorRegistry::ResponseFunctor>	function;
 			Alternative<LLNotificationResponderPtr>						responder;
+            Alternative<LLSD>						                    responder_sd;
 
 			Functor()
-			:	name("functor_name"),
+			:	name("responseFunctor"),
 				function("functor"),
-				responder("responder")
+				responder("responder"),
+                responder_sd("responder_sd")
 			{}
 		};
 		Optional<Functor>						functor;
 
 		Params()
 		:	name("name"),
+			id("id"),
 			priority("priority", NOTIFICATION_PRIORITY_UNSPECIFIED),
-			time_stamp("time_stamp"),
+			time_stamp("time"),
 			payload("payload"),
-			form_elements("form_elements")
+			form_elements("form"),
+			substitutions("substitutions"),
+			expiry("expiry"),
+			offer_from_agent("offer_from_agent", false),
+            is_dnd("is_dnd", false)
 		{
 			time_stamp = LLDate::now();
 			responder = NULL;
@@ -340,9 +356,13 @@ public:
 		Params(const std::string& _name) 
 		:	name("name"),
 			priority("priority", NOTIFICATION_PRIORITY_UNSPECIFIED),
-			time_stamp("time_stamp"),
+			time_stamp("time"),
 			payload("payload"),
-			form_elements("form_elements")
+			form_elements("form"),
+			substitutions("substitutions"),
+			expiry("expiry"),
+			offer_from_agent("offer_from_agent", false),
+            is_dnd("is_dnd", false)
 		{
 			functor.name = _name;
 			name = _name;
@@ -355,7 +375,7 @@ public:
 
 private:
 	
-	LLUUID mId;
+	const LLUUID mId;
 	LLSD mPayload;
 	LLSD mSubstitutions;
 	LLDate mTimestamp;
@@ -367,8 +387,9 @@ private:
 	ENotificationPriority mPriority;
 	LLNotificationFormPtr mForm;
 	void* mResponderObj; // TODO - refactor/remove this field
-	bool mIsReusable;
 	LLNotificationResponderPtr mResponder;
+	bool mOfferFromAgent;
+    bool mIsDND;
 
 	// a reference to the template
 	LLNotificationTemplatePtr mTemplatep;
@@ -392,18 +413,10 @@ private:
 
 	void init(const std::string& template_name, const LLSD& form_elements);
 
-	LLNotification(const Params& p);
-
-	// this is just for making it easy to look things up in a set organized by UUID -- DON'T USE IT
-	// for anything real!
- LLNotification(LLUUID uuid) : mId(uuid), mCancelled(false), mRespondedTo(false), mIgnored(false), mPriority(NOTIFICATION_PRIORITY_UNSPECIFIED), mTemporaryResponder(false) {}
-
 	void cancel();
 
 public:
-
-	// constructor from a saved notification
-	LLNotification(const LLSD& sd);
+	LLNotification(const LLSDParamAdapter<Params>& p);
 
 	void setResponseFunctor(std::string const &responseFunctorName);
 
@@ -446,7 +459,12 @@ public:
 	// ["time"] = time at which notification was generated;
 	// ["expiry"] = time at which notification expires;
 	// ["responseFunctor"] = name of registered functor that handles responses to notification;
-	LLSD asLLSD();
+	LLSD asLLSD(bool excludeTemplateElements = false);
+
+	const LLNotificationFormPtr getForm();
+	void updateForm(const LLNotificationFormPtr& form);
+
+	void repost();
 
 	void respond(const LLSD& sd);
 	void respondWithDefault();
@@ -507,6 +525,21 @@ public:
 		return mTimestamp;
 	}
 
+	bool getOfferFromAgent() const
+	{
+		return mOfferFromAgent;
+	}
+
+    bool isDND() const
+    {
+        return mIsDND;
+    }
+
+    void setDND(const bool flag)
+    {
+        mIsDND = flag;
+    }
+
 	std::string getType() const;
 	std::string getMessage() const;
 	std::string getFooter() const;
@@ -514,8 +547,21 @@ public:
 	std::string getURL() const;
 	S32 getURLOption() const;
     S32 getURLOpenExternally() const;
+	bool canLogToChat() const;
+	bool canLogToIM() const;
+	bool canShowToast() const;
+	bool hasFormElements() const;
+    void playSound();
+
+	typedef enum e_combine_behavior
+	{
+		REPLACE_WITH_NEW,
+		KEEP_OLD,
+		CANCEL_OLD
+
+	} ECombineBehavior;
 	
-	const LLNotificationFormPtr getForm();
+	ECombineBehavior getCombineBehavior() const;
 
 	const LLDate getExpiration() const
 	{
@@ -532,10 +578,6 @@ public:
 		return mId;
 	}
 
-	bool isReusable() { return mIsReusable; }
-
-	void setReusable(bool reusable) { mIsReusable = reusable; }
-	
 	// comparing two notifications normally means comparing them by UUID (so we can look them
 	// up quickly this way)
 	bool operator<(const LLNotification& rhs) const
@@ -647,44 +689,17 @@ namespace LLNotificationFilters
 
 namespace LLNotificationComparators
 {
-	typedef enum e_direction { ORDER_DECREASING, ORDER_INCREASING } EDirection;
-
-	// generic order functor that takes method or member variable reference
-	template<typename T>
-	struct orderBy
+	struct orderByUUID
 	{
-		typedef boost::function<T (LLNotificationPtr)> field_t;
-        	orderBy(field_t field, EDirection direction = ORDER_INCREASING) : mField(field), mDirection(direction) {}
 		bool operator()(LLNotificationPtr lhs, LLNotificationPtr rhs)
 		{
-			if (mDirection == ORDER_DECREASING)
-			{
-				return mField(lhs) > mField(rhs);
-			}
-			else
-			{
-				return mField(lhs) < mField(rhs);
-			}
+			return lhs->id() < rhs->id();
 		}
-
-		field_t mField;
-		EDirection mDirection;
-	};
-
-	struct orderByUUID : public orderBy<const LLUUID&>
-	{
-		orderByUUID(EDirection direction = ORDER_INCREASING) : orderBy<const LLUUID&>(&LLNotification::id, direction) {}
-	};
-
-	struct orderByDate : public orderBy<const LLDate&>
-	{
-		orderByDate(EDirection direction = ORDER_INCREASING) : orderBy<const LLDate&>(&LLNotification::getDate, direction) {}
 	};
 };
 
 typedef boost::function<bool (LLNotificationPtr)> LLNotificationFilter;
-typedef boost::function<bool (LLNotificationPtr, LLNotificationPtr)> LLNotificationComparator;
-typedef std::set<LLNotificationPtr, LLNotificationComparator> LLNotificationSet;
+typedef std::set<LLNotificationPtr, LLNotificationComparators::orderByUUID> LLNotificationSet;
 typedef std::multimap<std::string, LLNotificationPtr> LLNotificationMap;
 
 // ========================================================
@@ -705,12 +720,14 @@ typedef std::multimap<std::string, LLNotificationPtr> LLNotificationMap;
 // all of the built-in tests should attach to the "Visible" channel
 //
 class LLNotificationChannelBase :
-	public LLEventTrackable
+	public LLEventTrackable,
+	public LLRefCount
 {
 	LOG_CLASS(LLNotificationChannelBase);
 public:
-	LLNotificationChannelBase(LLNotificationFilter filter, LLNotificationComparator comp) : 
-		mFilter(filter), mItems(comp) 
+	LLNotificationChannelBase(LLNotificationFilter filter) 
+	:	mFilter(filter), 
+		mItems() 
 	{}
 	virtual ~LLNotificationChannelBase() {}
 	// you can also connect to a Channel, so you can be notified of
@@ -776,6 +793,9 @@ protected:
 	virtual void onDelete(LLNotificationPtr p) {}
 	virtual void onChange(LLNotificationPtr p) {}
 
+	virtual void onFilterPass(LLNotificationPtr p) {}
+	virtual void onFilterFail(LLNotificationPtr p) {}
+
 	bool updateItem(const LLSD& payload, LLNotificationPtr pNotification);
 	LLNotificationFilter mFilter;
 };
@@ -785,63 +805,53 @@ protected:
 // destroy it, but if it becomes necessary to do so, the shared_ptr model
 // will ensure that we don't leak resources.
 class LLNotificationChannel;
-typedef boost::shared_ptr<LLNotificationChannel> LLNotificationChannelPtr;
+typedef boost::intrusive_ptr<LLNotificationChannel> LLNotificationChannelPtr;
 
 // manages a list of notifications
 // Note that if this is ever copied around, we might find ourselves with multiple copies
 // of a queue with notifications being added to different nonequivalent copies. So we 
-// make it inherit from boost::noncopyable, and then create a map of shared_ptr to manage it.
-// 
-// NOTE: LLNotificationChannel is self-registering. The *correct* way to create one is to 
-// do something like:
-//		LLNotificationChannel::buildChannel("name", "parent"...);
-// This returns an LLNotificationChannelPtr, which you can store, or
-// you can then retrieve the channel by using the registry:
-//		LLNotifications::instance().getChannel("name")...
+// make it inherit from boost::noncopyable, and then create a map of LLPointer to manage it.
 //
 class LLNotificationChannel : 
 	boost::noncopyable, 
-	public LLNotificationChannelBase
+	public LLNotificationChannelBase,
+	public LLInstanceTracker<LLNotificationChannel, std::string>
 {
 	LOG_CLASS(LLNotificationChannel);
 
 public:  
+	// Notification Channels have a filter, which determines which notifications
+	// will be added to this channel. 
+	// Channel filters cannot change.
+	struct Params : public LLInitParam::Block<Params>
+	{
+		Mandatory<std::string>				name;
+		Optional<LLNotificationFilter>		filter;
+		Multiple<std::string>				sources;
+	};
+
+	LLNotificationChannel(const Params& p = Params());
+	LLNotificationChannel(const std::string& name, const std::string& parent, LLNotificationFilter filter);
+
 	virtual ~LLNotificationChannel() {}
 	typedef LLNotificationSet::iterator Iterator;
     
 	std::string getName() const { return mName; }
-	std::string getParentChannelName() { return mParent; }
+    
+	void connectToChannel(const std::string& channel_name);
     
     bool isEmpty() const;
+    S32 size() const;
     
     Iterator begin();
     Iterator end();
+	size_t size();
 
-    // Channels have a comparator to control sort order;
-	// the default sorts by arrival date
-    void setComparator(LLNotificationComparator comparator);
-	
 	std::string summarize();
 
-	// factory method for constructing these channels; since they're self-registering,
-	// we want to make sure that you can't use new to make them
-	static LLNotificationChannelPtr buildChannel(const std::string& name, const std::string& parent,
-						LLNotificationFilter filter=LLNotificationFilters::includeEverything, 
-						LLNotificationComparator comparator=LLNotificationComparators::orderByUUID());
-	
-protected:
-    // Notification Channels have a filter, which determines which notifications
-	// will be added to this channel. 
-	// Channel filters cannot change.
-	// Channels have a protected constructor so you can't make smart pointers that don't 
-	// come from our internal reference; call NotificationChannel::build(args)
-	LLNotificationChannel(const std::string& name, const std::string& parent,
-						  LLNotificationFilter filter, LLNotificationComparator comparator);
-
 private:
 	std::string mName;
 	std::string mParent;
-	LLNotificationComparator mComparator;
 };
 
 // An interface class to provide a clean linker seam to the LLNotifications class.
@@ -864,6 +874,13 @@ class LLNotifications :
 
 	friend class LLSingleton<LLNotifications>;
 public:
+
+    // Needed to clear up RefCounted things prior to actual destruction
+    // as the singleton nature of the class makes them do "bad things"
+    // on at least Mac, if not all 3 platforms
+    //
+    void clear();
+
 	// load all notification descriptions from file
 	// calling more than once will overwrite existing templates
 	// but never delete a template
@@ -924,10 +941,6 @@ public:
 
 	void createDefaultChannels();
 
-	typedef std::map<std::string, LLNotificationChannelPtr> ChannelMap;
-	ChannelMap mChannels;
-
-	void addChannel(LLNotificationChannelPtr pChan);
 	LLNotificationChannelPtr getChannel(const std::string& channelName);
 	
 	std::string getGlobalString(const std::string& key) const;
@@ -965,7 +978,7 @@ private:
 
 	bool mIgnoreAllNotifications;
 
-    boost::scoped_ptr<LLNotificationsListener> mListener;
+	std::vector<LLNotificationChannelPtr> mDefaultChannels;
 };
 
 /**
@@ -978,7 +991,7 @@ private:
  *  1 create class derived from LLPostponedNotification;
  *  2 call LLPostponedNotification::add method;
  */
-class LLPostponedNotification
+class LLPostponedNotification : public LLMortician
 {
 public:
 	/**
@@ -996,26 +1009,38 @@ public:
 		thiz->mParams = params;
 
 		// Avoid header file dependency on llcachename.h
-		lookupName(thiz, id, is_group);
+		thiz->lookupName(id, is_group);
 	}
 
 private:
-	static void lookupName(LLPostponedNotification* thiz, const LLUUID& id, bool is_group);
+	void lookupName(const LLUUID& id, bool is_group);
 	// only used for groups
 	void onGroupNameCache(const LLUUID& id, const std::string& full_name, bool is_group);
 	// only used for avatars
+	void fetchAvatarName(const LLUUID& id);
 	void onAvatarNameCache(const LLUUID& agent_id, const LLAvatarName& av_name);
 	// used for both group and avatar names
 	void finalizeName(const std::string& name);
 
 	void cleanup()
 	{
-		delete this;
+		die();
 	}
 
 protected:
-	LLPostponedNotification() {}
-	virtual ~LLPostponedNotification() {}
+	LLPostponedNotification()
+		: mParams(),
+		mName(),
+		mAvatarNameCacheConnection()
+	{}
+
+	virtual ~LLPostponedNotification()
+	{
+		if (mAvatarNameCacheConnection.connected())
+		{
+			mAvatarNameCacheConnection.disconnect();
+		}
+	}
 
 	/**
 	 * Abstract method provides possibility to modify notification parameters and
@@ -1026,6 +1051,58 @@ protected:
 
 	LLNotification::Params mParams;
 	std::string mName;
+	boost::signals2::connection mAvatarNameCacheConnection;
+};
+
+// Stores only persistent notifications.
+// Class users can use connectChanged() to process persistent notifications
+// (see LLPersistentNotificationStorage for example).
+class LLPersistentNotificationChannel : public LLNotificationChannel
+{
+	LOG_CLASS(LLPersistentNotificationChannel);
+public:
+	LLPersistentNotificationChannel() 
+		:	LLNotificationChannel("Persistent", "Visible", &notificationFilter)
+	{
+	}
+
+	typedef std::vector<LLNotificationPtr> history_list_t;
+	history_list_t::iterator beginHistory() { sortHistory(); return mHistory.begin(); }
+	history_list_t::iterator endHistory() { return mHistory.end(); }
+
+private:
+
+	struct sortByTime
+	{
+		S32 operator ()(const LLNotificationPtr& a, const LLNotificationPtr& b)
+		{
+			return a->getDate() < b->getDate();
+		}
+	};
+
+	void sortHistory()
+	{
+		std::sort(mHistory.begin(), mHistory.end(), sortByTime());
+	}
+
+
+	// The channel gets all persistent notifications except those that have been canceled
+	static bool notificationFilter(LLNotificationPtr pNotification)
+	{
+		bool handle_notification = false;
+
+		handle_notification = pNotification->isPersistent()
+			&& !pNotification->isCancelled();
+
+		return handle_notification;
+	}
+
+	void onAdd(LLNotificationPtr p) 
+	{
+		mHistory.push_back(p);
+	}
+
+	std::vector<LLNotificationPtr> mHistory;
 };
 
 #endif//LL_LLNOTIFICATIONS_H
diff --git a/indra/llui/llnotificationslistener.cpp b/indra/llui/llnotificationslistener.cpp
deleted file mode 100644
index 3bbeb3a778..0000000000
--- a/indra/llui/llnotificationslistener.cpp
+++ /dev/null
@@ -1,354 +0,0 @@
-/**
- * @file   llnotificationslistener.cpp
- * @author Brad Kittenbrink
- * @date   2009-07-08
- * @brief  Implementation for llnotificationslistener.
- * 
- * $LicenseInfo:firstyear=2009&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#include "linden_common.h"
-#include "llnotificationslistener.h"
-#include "llnotifications.h"
-#include "llnotificationtemplate.h"
-#include "llsd.h"
-#include "llui.h"
-
-LLNotificationsListener::LLNotificationsListener(LLNotifications & notifications) :
-    LLEventAPI("LLNotifications",
-               "LLNotifications listener to (e.g.) pop up a notification"),
-    mNotifications(notifications)
-{
-    add("requestAdd",
-        "Add a notification with specified [\"name\"], [\"substitutions\"] and [\"payload\"].\n"
-        "If optional [\"reply\"] specified, arrange to send user response on that LLEventPump.",
-        &LLNotificationsListener::requestAdd);
-    add("listChannels",
-        "Post to [\"reply\"] a map of info on existing channels",
-        &LLNotificationsListener::listChannels,
-        LLSD().with("reply", LLSD()));
-    add("listChannelNotifications",
-        "Post to [\"reply\"] an array of info on notifications in channel [\"channel\"]",
-        &LLNotificationsListener::listChannelNotifications,
-        LLSD().with("reply", LLSD()).with("channel", LLSD()));
-    add("respond",
-        "Respond to notification [\"uuid\"] with data in [\"response\"]",
-        &LLNotificationsListener::respond,
-        LLSD().with("uuid", LLSD()));
-    add("cancel",
-        "Cancel notification [\"uuid\"]",
-        &LLNotificationsListener::cancel,
-        LLSD().with("uuid", LLSD()));
-    add("ignore",
-        "Ignore future notification [\"name\"]\n"
-        "(from <notification name= > in notifications.xml)\n"
-        "according to boolean [\"ignore\"].\n"
-        "If [\"name\"] is omitted or undefined, [un]ignore all future notifications.\n"
-        "Note that ignored notifications are not forwarded unless intercepted before\n"
-        "the \"Ignore\" channel.",
-        &LLNotificationsListener::ignore);
-    add("forward",
-        "Forward to [\"pump\"] future notifications on channel [\"channel\"]\n"
-        "according to boolean [\"forward\"]. When enabled, only types matching\n"
-        "[\"types\"] are forwarded, as follows:\n"
-        "omitted or undefined: forward all notifications\n"
-        "string: forward only the specific named [sig]type\n"
-        "array of string: forward any notification matching any named [sig]type.\n"
-        "When boolean [\"respond\"] is true, we auto-respond to each forwarded\n"
-        "notification.",
-        &LLNotificationsListener::forward,
-        LLSD().with("channel", LLSD()));
-}
-
-// This is here in the .cpp file so we don't need the definition of class
-// Forwarder in the header file.
-LLNotificationsListener::~LLNotificationsListener()
-{
-}
-
-void LLNotificationsListener::requestAdd(const LLSD& event_data) const
-{
-	if(event_data.has("reply"))
-	{
-		mNotifications.add(event_data["name"], 
-						   event_data["substitutions"], 
-						   event_data["payload"],
-						   boost::bind(&LLNotificationsListener::NotificationResponder, 
-									   this, 
-									   event_data["reply"].asString(), 
-									   _1, _2
-									   )
-						   );
-	}
-	else
-	{
-		mNotifications.add(event_data["name"], 
-						   event_data["substitutions"], 
-						   event_data["payload"]);
-	}
-}
-
-void LLNotificationsListener::NotificationResponder(const std::string& reply_pump, 
-										const LLSD& notification, 
-										const LLSD& response) const
-{
-	LLSD reponse_event;
-	reponse_event["notification"] = notification;
-	reponse_event["response"] = response;
-	LLEventPumps::getInstance()->obtain(reply_pump).post(reponse_event);
-}
-
-void LLNotificationsListener::listChannels(const LLSD& params) const
-{
-    LLReqID reqID(params);
-    LLSD response(reqID.makeResponse());
-    for (LLNotifications::ChannelMap::const_iterator cmi(mNotifications.mChannels.begin()),
-                                                     cmend(mNotifications.mChannels.end());
-         cmi != cmend; ++cmi)
-    {
-        LLSD channelInfo;
-        channelInfo["parent"] = cmi->second->getParentChannelName();
-        response[cmi->first] = channelInfo;
-    }
-    LLEventPumps::instance().obtain(params["reply"]).post(response);
-}
-
-void LLNotificationsListener::listChannelNotifications(const LLSD& params) const
-{
-    LLReqID reqID(params);
-    LLSD response(reqID.makeResponse());
-    LLNotificationChannelPtr channel(mNotifications.getChannel(params["channel"]));
-    if (channel)
-    {
-        LLSD notifications(LLSD::emptyArray());
-        for (LLNotificationChannel::Iterator ni(channel->begin()), nend(channel->end());
-             ni != nend; ++ni)
-        {
-            notifications.append(asLLSD(*ni));
-        }
-        response["notifications"] = notifications;
-    }
-    LLEventPumps::instance().obtain(params["reply"]).post(response);
-}
-
-void LLNotificationsListener::respond(const LLSD& params) const
-{
-    LLNotificationPtr notification(mNotifications.find(params["uuid"]));
-    if (notification)
-    {
-        notification->respond(params["response"]);
-    }
-}
-
-void LLNotificationsListener::cancel(const LLSD& params) const
-{
-    LLNotificationPtr notification(mNotifications.find(params["uuid"]));
-    if (notification)
-    {
-        mNotifications.cancel(notification);
-    }
-}
-
-void LLNotificationsListener::ignore(const LLSD& params) const
-{
-    // Calling a method named "ignore", but omitting its "ignore" Boolean
-    // argument, should by default cause something to be ignored. Explicitly
-    // pass ["ignore"] = false to cancel ignore.
-    bool ignore = true;
-    if (params.has("ignore"))
-    {
-        ignore = params["ignore"].asBoolean();
-    }
-    // This method can be used to affect either a single notification name or
-    // all future notifications. The two use substantially different mechanisms.
-    if (params["name"].isDefined())
-    {
-        // ["name"] was passed: ignore just that notification
-		LLNotificationTemplatePtr templatep = mNotifications.getTemplate(params["name"]);
-		if (templatep)
-		{
-			templatep->mForm->setIgnored(ignore);
-		}
-    }
-    else
-    {
-        // no ["name"]: ignore all future notifications
-        mNotifications.setIgnoreAllNotifications(ignore);
-    }
-}
-
-class LLNotificationsListener::Forwarder: public LLEventTrackable
-{
-    LOG_CLASS(LLNotificationsListener::Forwarder);
-public:
-    Forwarder(LLNotifications& llnotifications, const std::string& channel):
-        mNotifications(llnotifications),
-        mRespond(false)
-    {
-        // Connect to the specified channel on construction. Because
-        // LLEventTrackable is a base, we should automatically disconnect when
-        // destroyed.
-        LLNotificationChannelPtr channelptr(llnotifications.getChannel(channel));
-        if (channelptr)
-        {
-            // Insert our processing as a "passed filter" listener. This way
-            // we get to run before all the "changed" listeners, and we get to
-            // swipe it (hide it from the other listeners) if desired.
-            channelptr->connectPassedFilter(boost::bind(&Forwarder::handle, this, _1));
-        }
-    }
-
-    void setPumpName(const std::string& name) { mPumpName = name; }
-    void setTypes(const LLSD& types) { mTypes = types; }
-    void setRespond(bool respond) { mRespond = respond; }
-
-private:
-    bool handle(const LLSD& notification) const;
-    bool matchType(const LLSD& filter, const std::string& type) const;
-
-    LLNotifications& mNotifications;
-    std::string mPumpName;
-    LLSD mTypes;
-    bool mRespond;
-};
-
-void LLNotificationsListener::forward(const LLSD& params)
-{
-    std::string channel(params["channel"]);
-    // First decide whether we're supposed to start forwarding or stop it.
-    // Default to true.
-    bool forward = true;
-    if (params.has("forward"))
-    {
-        forward = params["forward"].asBoolean();
-    }
-    if (! forward)
-    {
-        // This is a request to stop forwarding notifications on the specified
-        // channel. The rest of the params don't matter.
-        // Because mForwarders contains scoped_ptrs, erasing the map entry
-        // DOES delete the heap Forwarder object. Because Forwarder derives
-        // from LLEventTrackable, destroying it disconnects it from the
-        // channel.
-        mForwarders.erase(channel);
-        return;
-    }
-    // From here on, we know we're being asked to start (or modify) forwarding
-    // on the specified channel. Find or create an appropriate Forwarder.
-    ForwarderMap::iterator
-        entry(mForwarders.insert(ForwarderMap::value_type(channel, ForwarderMap::mapped_type())).first);
-    if (! entry->second)
-    {
-        entry->second.reset(new Forwarder(mNotifications, channel));
-    }
-    // Now, whether this Forwarder is brand-new or not, update it with the new
-    // request info.
-    Forwarder& fwd(*entry->second);
-    fwd.setPumpName(params["pump"]);
-    fwd.setTypes(params["types"]);
-    fwd.setRespond(params["respond"]);
-}
-
-bool LLNotificationsListener::Forwarder::handle(const LLSD& notification) const
-{
-    LL_INFOS("LLNotificationsListener") << "handle(" << notification << ")" << LL_ENDL;
-    if (notification["sigtype"].asString() == "delete")
-    {
-        LL_INFOS("LLNotificationsListener") << "ignoring delete" << LL_ENDL;
-        // let other listeners see the "delete" operation
-        return false;
-    }
-    LLNotificationPtr note(mNotifications.find(notification["id"]));
-    if (! note)
-    {
-        LL_INFOS("LLNotificationsListener") << notification["id"] << " not found" << LL_ENDL;
-        return false;
-    }
-    if (! matchType(mTypes, note->getType()))
-    {
-        LL_INFOS("LLNotificationsListener") << "didn't match types " << mTypes << LL_ENDL;
-        // We're not supposed to intercept this particular notification. Let
-        // other listeners process it.
-        return false;
-    }
-    LL_INFOS("LLNotificationsListener") << "sending via '" << mPumpName << "'" << LL_ENDL;
-    // This is a notification we care about. Forward it through specified
-    // LLEventPump.
-    LLEventPumps::instance().obtain(mPumpName).post(asLLSD(note));
-    // Are we also being asked to auto-respond?
-    if (mRespond)
-    {
-        LL_INFOS("LLNotificationsListener") << "should respond" << LL_ENDL;
-        note->respond(LLSD::emptyMap());
-        // Did that succeed in removing the notification? Only cancel() if
-        // it's still around -- otherwise we get an LL_ERRS crash!
-        note = mNotifications.find(notification["id"]);
-        if (note)
-        {
-            LL_INFOS("LLNotificationsListener") << "respond() didn't clear, canceling" << LL_ENDL;
-            mNotifications.cancel(note);
-        }
-    }
-    // If we've auto-responded to this notification, then it's going to be
-    // deleted. Other listeners would get the change operation, try to look it
-    // up and be baffled by lookup failure. So when we auto-respond, suppress
-    // this notification: don't pass it to other listeners.
-    return mRespond;
-}
-
-bool LLNotificationsListener::Forwarder::matchType(const LLSD& filter, const std::string& type) const
-{
-    // Decide whether this notification matches filter:
-    // undefined: forward all notifications
-    if (filter.isUndefined())
-    {
-        return true;
-    }
-    // array of string: forward any notification matching any named type
-    if (filter.isArray())
-    {
-        for (LLSD::array_const_iterator ti(filter.beginArray()), tend(filter.endArray());
-             ti != tend; ++ti)
-        {
-            if (ti->asString() == type)
-            {
-                return true;
-            }
-        }
-        // Didn't match any entry in the array
-        return false;
-    }
-    // string: forward only the specific named type
-    return (filter.asString() == type);
-}
-
-LLSD LLNotificationsListener::asLLSD(LLNotificationPtr note)
-{
-    LLSD notificationInfo(note->asLLSD());
-    // For some reason the following aren't included in LLNotification::asLLSD().
-    notificationInfo["summary"] = note->summarize();
-    notificationInfo["id"]      = note->id();
-    notificationInfo["type"]    = note->getType();
-    notificationInfo["message"] = note->getMessage();
-    notificationInfo["label"]   = note->getLabel();
-    return notificationInfo;
-}
diff --git a/indra/llui/llnotificationslistener.h b/indra/llui/llnotificationslistener.h
deleted file mode 100644
index f9f7641de6..0000000000
--- a/indra/llui/llnotificationslistener.h
+++ /dev/null
@@ -1,69 +0,0 @@
-/**
- * @file   llnotificationslistener.h
- * @author Brad Kittenbrink
- * @date   2009-07-08
- * @brief  Wrap subset of LLNotifications API in event API for test scripts.
- * 
- * $LicenseInfo:firstyear=2009&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#ifndef LL_LLNOTIFICATIONSLISTENER_H
-#define LL_LLNOTIFICATIONSLISTENER_H
-
-#include "lleventapi.h"
-#include "llnotificationptr.h"
-#include <boost/shared_ptr.hpp>
-#include <map>
-#include <string>
-
-class LLNotifications;
-class LLSD;
-
-class LLNotificationsListener : public LLEventAPI
-{
-public:
-    LLNotificationsListener(LLNotifications & notifications);
-    ~LLNotificationsListener();
-
-private:
-    void requestAdd(LLSD const & event_data) const;
-
-	void NotificationResponder(const std::string& replypump, 
-							   const LLSD& notification, 
-							   const LLSD& response) const;
-
-    void listChannels(const LLSD& params) const;
-    void listChannelNotifications(const LLSD& params) const;
-    void respond(const LLSD& params) const;
-    void cancel(const LLSD& params) const;
-    void ignore(const LLSD& params) const;
-    void forward(const LLSD& params);
-
-    static LLSD asLLSD(LLNotificationPtr);
-
-    class Forwarder;
-    typedef std::map<std::string, boost::shared_ptr<Forwarder> > ForwarderMap;
-    ForwarderMap mForwarders;
-	LLNotifications & mNotifications;
-};
-
-#endif // LL_LLNOTIFICATIONSLISTENER_H
diff --git a/indra/llui/llnotificationsutil.cpp b/indra/llui/llnotificationsutil.cpp
index cc791c26d1..cc791c26d1 100644..100755
--- a/indra/llui/llnotificationsutil.cpp
+++ b/indra/llui/llnotificationsutil.cpp
diff --git a/indra/llui/llnotificationsutil.h b/indra/llui/llnotificationsutil.h
index 4093324d0c..4093324d0c 100644..100755
--- a/indra/llui/llnotificationsutil.h
+++ b/indra/llui/llnotificationsutil.h
diff --git a/indra/llui/llnotificationtemplate.h b/indra/llui/llnotificationtemplate.h
index b3b0bae862..18a82190b5 100644..100755
--- a/indra/llui/llnotificationtemplate.h
+++ b/indra/llui/llnotificationtemplate.h
@@ -49,7 +49,6 @@
 //#include "llfunctorregistry.h"
 //#include "llpointer.h"
 #include "llinitparam.h"
-//#include "llnotificationslistener.h"
 //#include "llnotificationptr.h"
 //#include "llcachename.h"
 #include "llnotifications.h"
@@ -61,6 +60,18 @@ typedef boost::shared_ptr<LLNotificationForm> LLNotificationFormPtr;
 // from the appropriate local language directory).
 struct LLNotificationTemplate
 {
+	struct CombineBehaviorNames
+		:	public LLInitParam::TypeValuesHelper<LLNotification::ECombineBehavior, CombineBehaviorNames>
+	{
+		static void declareValues()
+		{
+			declare("replace_with_new", LLNotification::REPLACE_WITH_NEW);
+			declare("keep_old", LLNotification::KEEP_OLD);
+			declare("cancel_old", LLNotification::CANCEL_OLD);
+		}
+	};
+
+
 	struct GlobalString : public LLInitParam::Block<GlobalString>
 	{
 		Mandatory<std::string>	name,
@@ -94,9 +105,11 @@ struct LLNotificationTemplate
 		Optional<LLInitParam::Flag>	dummy_val;
 	public:
 		Multiple<UniquenessContext>	contexts;
+		Optional<LLNotification::ECombineBehavior, CombineBehaviorNames> combine;
 
 		UniquenessConstraint()
 		:	contexts("context"),
+			combine("combine", LLNotification::REPLACE_WITH_NEW),
 			dummy_val("")
 		{}
 	};
@@ -183,7 +196,10 @@ struct LLNotificationTemplate
 	struct Params : public LLInitParam::Block<Params>
 	{
 		Mandatory<std::string>			name;
-		Optional<bool>					persist;
+		Optional<bool>					persist,
+										log_to_im,
+										show_toast,
+										log_to_chat;
 		Optional<std::string>			functor,
 										icon,
 										label,
@@ -204,6 +220,9 @@ struct LLNotificationTemplate
 		Params()
 		:	name("name"),
 			persist("persist", false),
+			log_to_im("log_to_im", false),
+			show_toast("show_toast", true),
+			log_to_chat("log_to_chat", true),
 			functor("functor"),
 			icon("icon"),
 			label("label"),
@@ -262,6 +281,7 @@ struct LLNotificationTemplate
     // (used for things like progress indications, or repeating warnings
     // like "the grid is going down in N minutes")
     bool mUnique;
+	LLNotification::ECombineBehavior mCombineBehavior;
     // if we want to be unique only if a certain part of the payload or substitutions args
 	// are constant specify the field names for the payload. The notification will only be
     // combined if all of the fields named in the context are identical in the
@@ -302,12 +322,15 @@ struct LLNotificationTemplate
     LLNotificationFormPtr mForm;
 	// default priority for notifications of this type
 	ENotificationPriority mPriority;
-	// UUID of the audio file to be played when this notification arrives
-	// this is loaded as a name, but looked up to get the UUID upon template load.
-	// If null, it wasn't specified.
-	LLUUID mSoundEffect;
+	// Stores the sound name which can then be used to play the sound using make_ui_sound
+	std::string mSoundName;
 	// List of tags that rules can match against.
 	std::list<std::string> mTags;
+
+	// inject these notifications into chat/IM streams
+	bool mLogToChat;
+	bool mLogToIM;
+	bool mShowToast;
 };
 
 #endif //LL_LLNOTIFICATION_TEMPLATE_H
diff --git a/indra/llui/llnotificationvisibilityrule.h b/indra/llui/llnotificationvisibilityrule.h
index 78788a275c..78788a275c 100644..100755
--- a/indra/llui/llnotificationvisibilityrule.h
+++ b/indra/llui/llnotificationvisibilityrule.h
diff --git a/indra/llui/llpanel.cpp b/indra/llui/llpanel.cpp
index 67472ad166..67472ad166 100644..100755
--- a/indra/llui/llpanel.cpp
+++ b/indra/llui/llpanel.cpp
diff --git a/indra/llui/llpanel.h b/indra/llui/llpanel.h
index e63b41f97c..e63b41f97c 100644..100755
--- a/indra/llui/llpanel.h
+++ b/indra/llui/llpanel.h
diff --git a/indra/llui/llprogressbar.cpp b/indra/llui/llprogressbar.cpp
index 84a890edfa..84a890edfa 100644..100755
--- a/indra/llui/llprogressbar.cpp
+++ b/indra/llui/llprogressbar.cpp
diff --git a/indra/llui/llprogressbar.h b/indra/llui/llprogressbar.h
index a8ec83ea00..a8ec83ea00 100644..100755
--- a/indra/llui/llprogressbar.h
+++ b/indra/llui/llprogressbar.h
diff --git a/indra/llui/llradiogroup.cpp b/indra/llui/llradiogroup.cpp
index 95a7d09382..95a7d09382 100644..100755
--- a/indra/llui/llradiogroup.cpp
+++ b/indra/llui/llradiogroup.cpp
diff --git a/indra/llui/llradiogroup.h b/indra/llui/llradiogroup.h
index 8bd5698538..8bd5698538 100644..100755
--- a/indra/llui/llradiogroup.h
+++ b/indra/llui/llradiogroup.h
diff --git a/indra/llui/llresizebar.cpp b/indra/llui/llresizebar.cpp
index 87aeb4d7a7..e67b22c977 100644..100755
--- a/indra/llui/llresizebar.cpp
+++ b/indra/llui/llresizebar.cpp
@@ -28,14 +28,53 @@
 
 #include "llresizebar.h"
 
+#include "lllocalcliprect.h"
 #include "llmath.h"
 #include "llui.h"
 #include "llmenugl.h"
 #include "llfocusmgr.h"
 #include "llwindow.h"
 
+class LLImagePanel : public LLPanel
+{
+public:
+	struct Params :	public LLInitParam::Block<Params, LLPanel::Params>
+	{
+		Optional<bool> horizontal;
+		Params() : horizontal("horizontal", false) {}
+	};
+	LLImagePanel(const Params& p) : LLPanel(p), mHorizontal(p.horizontal) {}
+	virtual ~LLImagePanel() {}
+
+	void draw()
+	{
+		const LLRect& parent_rect = getParent()->getRect();
+		const LLRect& rect = getRect();
+		LLRect clip_rect( -rect.mLeft, parent_rect.getHeight() - rect.mBottom - 2
+						 , parent_rect.getWidth() - rect.mLeft - (mHorizontal ? 2 : 0), -rect.mBottom);
+		LLLocalClipRect clip(clip_rect);
+		LLPanel::draw();
+	}
+
+private:
+	bool mHorizontal;
+};
+
+static LLDefaultChildRegistry::Register<LLImagePanel> t1("resize_bar_image_panel");
+
+LLResizeBar::Params::Params()
+:	max_size("max_size", S32_MAX),
+	snapping_enabled("snapping_enabled", true),
+	resizing_view("resizing_view"),
+	side("side"),
+	allow_double_click_snapping("allow_double_click_snapping", true),
+	show_drag_handle("show_drag_handle", false)
+{
+	name = "resize_bar";
+}
+
 LLResizeBar::LLResizeBar(const LLResizeBar::Params& p)
-:	LLView(p),
+:	LLPanel(p),
 	mDragLastScreenX( 0 ),
 	mDragLastScreenY( 0 ),
 	mLastMouseScreenX( 0 ),
@@ -45,7 +84,10 @@ LLResizeBar::LLResizeBar(const LLResizeBar::Params& p)
 	mSide( p.side ),
 	mSnappingEnabled(p.snapping_enabled),
 	mAllowDoubleClickSnapping(p.allow_double_click_snapping),
-	mResizingView(p.resizing_view)
+	mResizingView(p.resizing_view),
+	mResizeListener(NULL),
+	mShowDragHandle(p.show_drag_handle),
+	mImagePanel(NULL)
 {
 	setFollowsNone();
 	// set up some generically good follow code.
@@ -74,8 +116,37 @@ LLResizeBar::LLResizeBar(const LLResizeBar::Params& p)
 	default:
 		break;
 	}
+
+	if (mShowDragHandle)
+	{
+		LLViewBorder::Params border_params;
+		border_params.border_thickness = 1;
+		border_params.highlight_light_color = LLUIColorTable::instance().getColor("ResizebarBorderLight");
+		border_params.shadow_dark_color = LLUIColorTable::instance().getColor("ResizebarBorderDark");
+
+		addBorder(border_params);
+		setBorderVisible(TRUE);
+
+		LLImagePanel::Params image_panel;
+		mDragHandleImage = LLUI::getUIImage(LLResizeBar::RIGHT == mSide ? "Vertical Drag Handle" : "Horizontal Drag Handle");
+		image_panel.bg_alpha_image = mDragHandleImage;
+		image_panel.background_visible = true;
+		image_panel.horizontal = (LLResizeBar::BOTTOM == mSide);
+		mImagePanel = LLUICtrlFactory::create<LLImagePanel>(image_panel);
+		setImagePanel(mImagePanel);
+	}
 }
 
+BOOL LLResizeBar::postBuild()
+{
+	if (mShowDragHandle)
+	{
+		setBackgroundVisible(TRUE);
+		setTransparentColor(LLUIColorTable::instance().getColor("ResizebarBody"));
+	}
+
+	return LLPanel::postBuild();
+}
 
 BOOL LLResizeBar::handleMouseDown(S32 x, S32 y, MASK mask)
 {
@@ -139,13 +210,6 @@ BOOL LLResizeBar::handleHover(S32 x, S32 y, MASK mask)
 		
 		if( valid_rect.localPointInRect( screen_x, screen_y ) && mResizingView )
 		{
-			// undock floater when user resize it
-			LLFloater* parent = dynamic_cast<LLFloater*>( getParent());
-			if (parent && parent->isDocked())
-			{
-				parent->setDocked( false, false);
-			}
-
 			// Resize the parent
 			LLRect orig_rect = mResizingView->getRect();
 			LLRect scaled_rect = orig_rect;
@@ -219,20 +283,66 @@ BOOL LLResizeBar::handleHover(S32 x, S32 y, MASK mask)
 
 			// update last valid mouse cursor position based on resized view's actual size
 			LLRect new_rect = mResizingView->getRect();
+
 			switch(mSide)
 			{
 			case LEFT:
-				mDragLastScreenX += new_rect.mLeft - orig_rect.mLeft;
+			{
+				S32 actual_delta_x = new_rect.mLeft - orig_rect.mLeft;
+				if (actual_delta_x != delta_x)
+				{
+					// restore everything by left
+					new_rect.mBottom = orig_rect.mBottom;
+					new_rect.mTop = orig_rect.mTop;
+					new_rect.mRight = orig_rect.mRight;
+					mResizingView->setShape(new_rect, true);
+				}
+				mDragLastScreenX += actual_delta_x;
+
 				break;
+			}
 			case RIGHT:
+			{
+				S32 actual_delta_x = new_rect.mRight - orig_rect.mRight;
+				if (actual_delta_x != delta_x)
+				{
+					// restore everything by left
+					new_rect.mBottom = orig_rect.mBottom;
+					new_rect.mTop = orig_rect.mTop;
+					new_rect.mLeft = orig_rect.mLeft;
+					mResizingView->setShape(new_rect, true);
+				}
 				mDragLastScreenX += new_rect.mRight - orig_rect.mRight;
 				break;
+			}
 			case TOP:
+			{
+				S32 actual_delta_y = new_rect.mTop - orig_rect.mTop;
+				if (actual_delta_y != delta_y)
+				{
+					// restore everything by left
+					new_rect.mBottom = orig_rect.mBottom;
+					new_rect.mLeft = orig_rect.mLeft;
+					new_rect.mRight = orig_rect.mRight;
+					mResizingView->setShape(new_rect, true);
+				}
 				mDragLastScreenY += new_rect.mTop - orig_rect.mTop;
 				break;
+			}
 			case BOTTOM:
+			{
+				S32 actual_delta_y = new_rect.mBottom - orig_rect.mBottom;
+				if (actual_delta_y != delta_y)
+				{
+					// restore everything by left
+					new_rect.mTop = orig_rect.mTop;
+					new_rect.mLeft = orig_rect.mLeft;
+					new_rect.mRight = orig_rect.mRight;
+					mResizingView->setShape(new_rect, true);
+				}
 				mDragLastScreenY += new_rect.mBottom- orig_rect.mBottom;
 				break;
+			}
 			default:
 				break;
 			}
@@ -261,6 +371,11 @@ BOOL LLResizeBar::handleHover(S32 x, S32 y, MASK mask)
 		}
 	}
 
+	if (mResizeListener)
+	{
+		mResizeListener(NULL);
+	}
+
 	return handled;
 } // end LLResizeBar::handleHover
 
@@ -297,3 +412,39 @@ BOOL LLResizeBar::handleDoubleClick(S32 x, S32 y, MASK mask)
 	return TRUE;
 }
 
+void LLResizeBar::setImagePanel(LLPanel * panelp)
+{
+	const LLView::child_list_t * children = getChildList();
+	if (getChildCount() == 2)
+	{
+		LLPanel * image_panelp = dynamic_cast<LLPanel*>(children->back());
+		if (image_panelp)
+		{
+			removeChild(image_panelp);
+			delete image_panelp;
+		}
+	}
+
+	addChild(panelp);
+	sendChildToBack(panelp);
+}
+
+LLPanel * LLResizeBar::getImagePanel() const
+{
+	return getChildCount() > 0 ? (LLPanel *)getChildList()->back() : NULL;
+}
+
+void LLResizeBar::draw()
+{
+	if (mShowDragHandle)
+	{
+		S32 image_width = mDragHandleImage->getTextureWidth();
+		S32 image_height = mDragHandleImage->getTextureHeight();
+		const LLRect& panel_rect = getRect();
+		S32 image_left = (panel_rect.getWidth() - image_width) / 2 - 1;
+		S32 image_bottom = (panel_rect.getHeight() - image_height) / 2;
+		mImagePanel->setRect(LLRect(image_left, image_bottom + image_height, image_left + image_width, image_bottom));
+	}
+
+	LLPanel::draw();
+}
diff --git a/indra/llui/llresizebar.h b/indra/llui/llresizebar.h
index 6daf191918..bcf8ea0b40 100644..100755
--- a/indra/llui/llresizebar.h
+++ b/indra/llui/llresizebar.h
@@ -27,15 +27,14 @@
 #ifndef LL_RESIZEBAR_H
 #define LL_RESIZEBAR_H
 
-#include "llview.h"
-#include "llcoord.h"
+#include "llpanel.h"
 
-class LLResizeBar : public LLView
+class LLResizeBar : public LLPanel
 {
 public:
 	enum Side { LEFT, TOP, RIGHT, BOTTOM };
 
-	struct Params : public LLInitParam::Block<Params, LLView::Params>
+	struct Params : public LLInitParam::Block<Params, LLPanel::Params>
 	{
 		Mandatory<LLView*> resizing_view;
 		Mandatory<Side>	side;
@@ -44,24 +43,19 @@ public:
 		Optional<S32>	max_size;
 		Optional<bool>	snapping_enabled;
 		Optional<bool>	allow_double_click_snapping;
+		Optional<bool>	show_drag_handle;
 
-		Params()
-		:	max_size("max_size", S32_MAX),
-			snapping_enabled("snapping_enabled", true),
-			resizing_view("resizing_view"),
-			side("side"),
-			allow_double_click_snapping("allow_double_click_snapping", true)
-		{
-			name = "resize_bar";
-		}
+		Params();
 	};
 
 protected:
 	LLResizeBar(const LLResizeBar::Params& p);
 	friend class LLUICtrlFactory;
+
+	/*virtual*/ BOOL postBuild();
 public:
 
-//	virtual void	draw();  No appearance
+	virtual void	draw();
 	virtual BOOL	handleHover(S32 x, S32 y, MASK mask);
 	virtual BOOL	handleMouseDown(S32 x, S32 y, MASK mask);
 	virtual BOOL	handleMouseUp(S32 x, S32 y, MASK mask);
@@ -71,19 +65,27 @@ public:
 	void			setEnableSnapping(BOOL enable) { mSnappingEnabled = enable; }
 	void			setAllowDoubleClickSnapping(BOOL allow) { mAllowDoubleClickSnapping = allow; }
 	bool			canResize() { return getEnabled() && mMaxSize > mMinSize; }
+	void            setResizeListener(boost::function<void(void*)> listener) {mResizeListener = listener;}
+	BOOL			isShowDragHandle() const { return mShowDragHandle; }
+	void			setImagePanel(LLPanel * panelp);
+	LLPanel *		getImagePanel() const;
 
 private:
-	S32				mDragLastScreenX;
-	S32				mDragLastScreenY;
-	S32				mLastMouseScreenX;
-	S32				mLastMouseScreenY;
-	LLCoordGL		mLastMouseDir;
-	S32				mMinSize;
-	S32				mMaxSize;
-	const Side		mSide;
-	BOOL			mSnappingEnabled;
-	BOOL			mAllowDoubleClickSnapping;
-	LLView*			mResizingView;
+	S32								mDragLastScreenX;
+	S32								mDragLastScreenY;
+	S32								mLastMouseScreenX;
+	S32								mLastMouseScreenY;
+	LLCoordGL						mLastMouseDir;
+	S32								mMinSize;
+	S32								mMaxSize;
+	const Side						mSide;
+	BOOL							mSnappingEnabled;
+	BOOL							mAllowDoubleClickSnapping;
+	BOOL							mShowDragHandle;
+	LLView*							mResizingView;
+	boost::function<void(void*)>	mResizeListener;
+	LLPointer<LLUIImage>			mDragHandleImage;
+	LLPanel *						mImagePanel;
 };
 
 #endif  // LL_RESIZEBAR_H
diff --git a/indra/llui/llresizehandle.cpp b/indra/llui/llresizehandle.cpp
index c3a51c36c9..24794305ac 100644..100755
--- a/indra/llui/llresizehandle.cpp
+++ b/indra/llui/llresizehandle.cpp
@@ -257,23 +257,65 @@ BOOL LLResizeHandle::handleHover(S32 x, S32 y, MASK mask)
 			
 			// update last valid mouse cursor position based on resized view's actual size
 			LLRect new_rect = resizing_view->getRect();
+			S32 actual_delta_x = 0;
+			S32 actual_delta_y = 0;
 			switch(mCorner)
 			{
 			case LEFT_TOP:
-				mDragLastScreenX += new_rect.mLeft - orig_rect.mLeft;
-				mDragLastScreenY += new_rect.mTop - orig_rect.mTop;
+				actual_delta_x = new_rect.mLeft - orig_rect.mLeft;
+				actual_delta_y = new_rect.mTop - orig_rect.mTop;
+				if (actual_delta_x != delta_x
+					|| actual_delta_y != delta_y)
+				{
+					new_rect.mRight = orig_rect.mRight;
+					new_rect.mBottom = orig_rect.mBottom;
+					resizing_view->setShape(new_rect, true);
+				}
+
+				mDragLastScreenX += actual_delta_x;
+				mDragLastScreenY += actual_delta_y;
 				break;
 			case LEFT_BOTTOM:
-				mDragLastScreenX += new_rect.mLeft - orig_rect.mLeft;
-				mDragLastScreenY += new_rect.mBottom- orig_rect.mBottom;
+				actual_delta_x = new_rect.mLeft - orig_rect.mLeft;
+				actual_delta_y = new_rect.mBottom - orig_rect.mBottom;
+				if (actual_delta_x != delta_x
+					|| actual_delta_y != delta_y)
+				{
+					new_rect.mRight = orig_rect.mRight;
+					new_rect.mTop = orig_rect.mTop;
+					resizing_view->setShape(new_rect, true);
+				}
+
+				mDragLastScreenX += actual_delta_x;
+				mDragLastScreenY += actual_delta_y;
 				break;
 			case RIGHT_TOP:
-				mDragLastScreenX += new_rect.mRight - orig_rect.mRight;
-				mDragLastScreenY += new_rect.mTop - orig_rect.mTop;
+				actual_delta_x = new_rect.mRight - orig_rect.mRight;
+				actual_delta_y = new_rect.mTop - orig_rect.mTop;
+				if (actual_delta_x != delta_x
+					|| actual_delta_y != delta_y)
+				{
+					new_rect.mLeft = orig_rect.mLeft;
+					new_rect.mBottom = orig_rect.mBottom;
+					resizing_view->setShape(new_rect, true);
+				}
+
+				mDragLastScreenX += actual_delta_x;
+				mDragLastScreenY += actual_delta_y;
 				break;
 			case RIGHT_BOTTOM:
-				mDragLastScreenX += new_rect.mRight - orig_rect.mRight;
-				mDragLastScreenY += new_rect.mBottom- orig_rect.mBottom;
+				actual_delta_x = new_rect.mRight - orig_rect.mRight;
+				actual_delta_y = new_rect.mBottom - orig_rect.mBottom;
+				if (actual_delta_x != delta_x
+					|| actual_delta_y != delta_y)
+				{
+					new_rect.mLeft = orig_rect.mLeft;
+					new_rect.mTop = orig_rect.mTop;
+					resizing_view->setShape(new_rect, true);
+				}
+
+				mDragLastScreenX += actual_delta_x;
+				mDragLastScreenY += actual_delta_y;
 				break;
 			default:
 				break;
diff --git a/indra/llui/llresizehandle.h b/indra/llui/llresizehandle.h
index 7541b9e6c0..7541b9e6c0 100644..100755
--- a/indra/llui/llresizehandle.h
+++ b/indra/llui/llresizehandle.h
diff --git a/indra/llui/llresmgr.cpp b/indra/llui/llresmgr.cpp
index 820e7cb26a..820e7cb26a 100644..100755
--- a/indra/llui/llresmgr.cpp
+++ b/indra/llui/llresmgr.cpp
diff --git a/indra/llui/llresmgr.h b/indra/llui/llresmgr.h
index a652dcd2c0..a652dcd2c0 100644..100755
--- a/indra/llui/llresmgr.h
+++ b/indra/llui/llresmgr.h
diff --git a/indra/llui/llrngwriter.cpp b/indra/llui/llrngwriter.cpp
index 5e6840d7df..5e6840d7df 100644..100755
--- a/indra/llui/llrngwriter.cpp
+++ b/indra/llui/llrngwriter.cpp
diff --git a/indra/llui/llrngwriter.h b/indra/llui/llrngwriter.h
index c33aa28613..c33aa28613 100644..100755
--- a/indra/llui/llrngwriter.h
+++ b/indra/llui/llrngwriter.h
diff --git a/indra/llui/llscrollbar.cpp b/indra/llui/llscrollbar.cpp
index 5d3bf7a670..13887cbe73 100644..100755
--- a/indra/llui/llscrollbar.cpp
+++ b/indra/llui/llscrollbar.cpp
@@ -642,3 +642,8 @@ void LLScrollbar::onLineDownBtnPressed( const LLSD& data )
 {
 	changeLine( mStepSize, TRUE );
 }
+
+void LLScrollbar::setThickness(S32 thickness)
+{
+	mThickness = thickness < 0 ? LLUI::sSettingGroups["config"]->getS32("UIScrollbarSize") : thickness;
+}
diff --git a/indra/llui/llscrollbar.h b/indra/llui/llscrollbar.h
index ff74f753b9..21fd2d631e 100644..100755
--- a/indra/llui/llscrollbar.h
+++ b/indra/llui/llscrollbar.h
@@ -124,6 +124,9 @@ public:
 
 	void				onLineUpBtnPressed(const LLSD& data);
 	void				onLineDownBtnPressed(const LLSD& data);
+		
+	S32					getThickness() const { return mThickness; }
+	void				setThickness(S32 thickness);
 
 private:
 	void				updateThumbRect();
diff --git a/indra/llui/llscrollcontainer.cpp b/indra/llui/llscrollcontainer.cpp
index 2fd187a526..cbcce0ece5 100644..100755
--- a/indra/llui/llscrollcontainer.cpp
+++ b/indra/llui/llscrollcontainer.cpp
@@ -73,7 +73,8 @@ LLScrollContainer::Params::Params()
 	hide_scrollbar("hide_scrollbar"),
 	min_auto_scroll_rate("min_auto_scroll_rate", 100),
 	max_auto_scroll_rate("max_auto_scroll_rate", 1000),
-	reserve_scroll_corner("reserve_scroll_corner", false)
+	reserve_scroll_corner("reserve_scroll_corner", false),
+	size("size", -1)
 {}
 
 
@@ -88,9 +89,12 @@ LLScrollContainer::LLScrollContainer(const LLScrollContainer::Params& p)
 	mReserveScrollCorner(p.reserve_scroll_corner),
 	mMinAutoScrollRate(p.min_auto_scroll_rate),
 	mMaxAutoScrollRate(p.max_auto_scroll_rate),
-	mScrolledView(NULL)
+	mScrolledView(NULL),
+	mSize(p.size)
 {
-	static LLUICachedControl<S32> scrollbar_size ("UIScrollbarSize", 0);
+	static LLUICachedControl<S32> scrollbar_size_control ("UIScrollbarSize", 0);
+	S32 scrollbar_size = (mSize == -1 ? scrollbar_size_control : mSize);
+
 	LLRect border_rect( 0, getRect().getHeight(), getRect().getWidth(), 0 );
 	LLViewBorder::Params params;
 	params.name("scroll border");
@@ -276,7 +280,6 @@ BOOL LLScrollContainer::handleDragAndDrop(S32 x, S32 y, MASK mask,
 												  EAcceptance* accept,
 												  std::string& tooltip_msg)
 {
-	static LLUICachedControl<S32> scrollbar_size ("UIScrollbarSize", 0);
 	// Scroll folder view if needed.  Never accepts a drag or drop.
 	*accept = ACCEPT_NO;
 	BOOL handled = autoScroll(x, y);
@@ -292,7 +295,8 @@ BOOL LLScrollContainer::handleDragAndDrop(S32 x, S32 y, MASK mask,
 
 bool LLScrollContainer::autoScroll(S32 x, S32 y)
 {
-	static LLUICachedControl<S32> scrollbar_size ("UIScrollbarSize", 0);
+	static LLUICachedControl<S32> scrollbar_size_control ("UIScrollbarSize", 0);
+	S32 scrollbar_size = (mSize == -1 ? scrollbar_size_control : mSize);
 
 	bool scrolling = false;
 	if( mScrollbar[HORIZONTAL]->getVisible() || mScrollbar[VERTICAL]->getVisible() )
@@ -365,7 +369,9 @@ bool LLScrollContainer::autoScroll(S32 x, S32 y)
 void LLScrollContainer::calcVisibleSize( S32 *visible_width, S32 *visible_height, BOOL* show_h_scrollbar, BOOL* show_v_scrollbar ) const
 {
 	const LLRect& doc_rect = getScrolledViewRect();
-	static LLUICachedControl<S32> scrollbar_size ("UIScrollbarSize", 0);
+	static LLUICachedControl<S32> scrollbar_size_control ("UIScrollbarSize", 0);
+	S32 scrollbar_size = (mSize == -1 ? scrollbar_size_control : mSize);
+
 	S32 doc_width = doc_rect.getWidth();
 	S32 doc_height = doc_rect.getHeight();
 
@@ -406,7 +412,9 @@ void LLScrollContainer::calcVisibleSize( S32 *visible_width, S32 *visible_height
 
 void LLScrollContainer::draw()
 {
-	static LLUICachedControl<S32> scrollbar_size ("UIScrollbarSize", 0);
+	static LLUICachedControl<S32> scrollbar_size_control ("UIScrollbarSize", 0);
+	S32 scrollbar_size = (mSize == -1 ? scrollbar_size_control : mSize);
+
 	if (mAutoScrolling)
 	{
 		// add acceleration to autoscroll
@@ -515,7 +523,9 @@ void LLScrollContainer::updateScroll()
 	{
 		return;
 	}
-	static LLUICachedControl<S32> scrollbar_size ("UIScrollbarSize", 0);
+	static LLUICachedControl<S32> scrollbar_size_control ("UIScrollbarSize", 0);
+	S32 scrollbar_size = (mSize == -1 ? scrollbar_size_control : mSize);
+
 	LLRect doc_rect = mScrolledView->getRect();
 	S32 doc_width = doc_rect.getWidth();
 	S32 doc_height = doc_rect.getHeight();
@@ -716,3 +726,9 @@ S32 LLScrollContainer::getBorderWidth() const
 	return 0;
 }
 
+void LLScrollContainer::setSize(S32 size)
+{
+	mSize = size;
+	mScrollbar[VERTICAL]->setThickness(size);
+	mScrollbar[HORIZONTAL]->setThickness(size);
+}
diff --git a/indra/llui/llscrollcontainer.h b/indra/llui/llscrollcontainer.h
index d87c95b3d7..4eb43539b8 100644..100755
--- a/indra/llui/llscrollcontainer.h
+++ b/indra/llui/llscrollcontainer.h
@@ -68,6 +68,7 @@ public:
 							max_auto_scroll_rate;
 		Optional<LLUIColor>	bg_color;
 		Optional<LLScrollbar::callback_t> scroll_callback;
+		Optional<S32>		size;
 		
 		Params();
 	};
@@ -116,6 +117,9 @@ public:
 	
 	bool autoScroll(S32 x, S32 y);
 
+	S32 getSize() const { return mSize; }
+	void setSize(S32 thickness);
+
 protected:
 	LLView*		mScrolledView;
 
diff --git a/indra/llui/llscrollingpanellist.cpp b/indra/llui/llscrollingpanellist.cpp
index 9b65c2b79d..9b65c2b79d 100644..100755
--- a/indra/llui/llscrollingpanellist.cpp
+++ b/indra/llui/llscrollingpanellist.cpp
diff --git a/indra/llui/llscrollingpanellist.h b/indra/llui/llscrollingpanellist.h
index e8df176ec3..e8df176ec3 100644..100755
--- a/indra/llui/llscrollingpanellist.h
+++ b/indra/llui/llscrollingpanellist.h
diff --git a/indra/llui/llscrolllistcell.cpp b/indra/llui/llscrolllistcell.cpp
index 8000efad0e..8000efad0e 100644..100755
--- a/indra/llui/llscrolllistcell.cpp
+++ b/indra/llui/llscrolllistcell.cpp
diff --git a/indra/llui/llscrolllistcell.h b/indra/llui/llscrolllistcell.h
index d625ebddcc..d625ebddcc 100644..100755
--- a/indra/llui/llscrolllistcell.h
+++ b/indra/llui/llscrolllistcell.h
diff --git a/indra/llui/llscrolllistcolumn.cpp b/indra/llui/llscrolllistcolumn.cpp
index af124d9826..cc9ff7a487 100644..100755
--- a/indra/llui/llscrolllistcolumn.cpp
+++ b/indra/llui/llscrolllistcolumn.cpp
@@ -236,7 +236,8 @@ void LLScrollColumnHeader::handleReshape(const LLRect& new_rect, bool by_user)
 		// tell scroll list to layout columns again
 		// do immediate update to get proper feedback to resize handle
 		// which needs to know how far the resize actually went
-		mColumn->mParentCtrl->updateColumns();
+		const bool force_update = true;
+		mColumn->mParentCtrl->updateColumns(force_update);
 	}
 }
 
diff --git a/indra/llui/llscrolllistcolumn.h b/indra/llui/llscrolllistcolumn.h
index b4d4a6d05e..b4d4a6d05e 100644..100755
--- a/indra/llui/llscrolllistcolumn.h
+++ b/indra/llui/llscrolllistcolumn.h
diff --git a/indra/llui/llscrolllistctrl.cpp b/indra/llui/llscrolllistctrl.cpp
index d332aa933e..6e03f604a2 100644..100755
--- a/indra/llui/llscrolllistctrl.cpp
+++ b/indra/llui/llscrolllistctrl.cpp
@@ -615,7 +615,6 @@ S32 LLScrollListCtrl::calcMaxContentWidth()
 
 		if (mColumnWidthsDirty)
 		{
-			mColumnWidthsDirty = false;
 			// update max content width for this column, by looking at all items
 			column->mMaxContentWidth = column->mHeader ? LLFontGL::getFontSansSerifSmall()->getWidth(column->mLabel) + mColumnPadding + HEADING_TEXT_PADDING : 0;
 			item_list::iterator iter;
@@ -629,6 +628,7 @@ S32 LLScrollListCtrl::calcMaxContentWidth()
 		}
 		max_item_width += column->mMaxContentWidth;
 	}
+	mColumnWidthsDirty = false;
 
 	return max_item_width;
 }
@@ -643,7 +643,7 @@ bool LLScrollListCtrl::updateColumnWidths()
 		if (!column) continue;
 
 		// update column width
-		S32 new_width = column->getWidth();
+		S32 new_width = 0;
 		if (column->mRelWidth >= 0)
 		{
 			new_width = (S32)llround(column->mRelWidth*mItemListRect.getWidth());
@@ -652,6 +652,10 @@ bool LLScrollListCtrl::updateColumnWidths()
 		{
 			new_width = (mItemListRect.getWidth() - mTotalStaticColumnWidth - mTotalColumnPadding) / mNumDynamicWidthColumns;
 		}
+		else
+		{
+			new_width = column->getWidth();
+		}
 
 		if (column->getWidth() != new_width)
 		{
@@ -693,9 +697,9 @@ void LLScrollListCtrl::updateLineHeightInsert(LLScrollListItem* itemp)
 }
 
 
-void LLScrollListCtrl::updateColumns()
+void LLScrollListCtrl::updateColumns(bool force_update)
 {
-	if (!mColumnsDirty)
+	if (!mColumnsDirty && !force_update)
 		return;
 
 	mColumnsDirty = false;
@@ -749,7 +753,7 @@ void LLScrollListCtrl::updateColumns()
 	}
 
 	// propagate column widths to individual cells
-	if (columns_changed_width)
+	if (columns_changed_width || force_update)
 	{
 		item_list::iterator iter;
 		for (iter = mItemList.begin(); iter != mItemList.end(); iter++)
@@ -1179,10 +1183,10 @@ LLScrollListItem* LLScrollListCtrl::addSeparator(EAddPosition pos)
 // Selects first enabled item of the given name.
 // Returns false if item not found.
 // Calls getItemByLabel in order to combine functionality
-BOOL LLScrollListCtrl::selectItemByLabel(const std::string& label, BOOL case_sensitive)
+BOOL LLScrollListCtrl::selectItemByLabel(const std::string& label, BOOL case_sensitive, S32 column/* = 0*/)
 {
 	deselectAllItems(TRUE); 	// ensure that no stale items are selected, even if we don't find a match
-	LLScrollListItem* item = getItemByLabel(label, case_sensitive);
+	LLScrollListItem* item = getItemByLabel(label, case_sensitive, column);
 
 	bool found = NULL != item;
 	if(found)
@@ -1801,6 +1805,9 @@ BOOL LLScrollListCtrl::handleRightMouseDown(S32 x, S32 y, MASK mask)
 			// (N.B. callbacks don't take const refs as id is local scope)
 			bool is_group = (mContextMenuType == MENU_GROUP);
 			LLUICtrl::CommitCallbackRegistry::ScopedRegistrar registrar;
+			registrar.add("Url.ShowProfile", boost::bind(&LLScrollListCtrl::showProfile, id, is_group));
+			registrar.add("Url.SendIM", boost::bind(&LLScrollListCtrl::sendIM, id));
+			registrar.add("Url.AddFriend", boost::bind(&LLScrollListCtrl::addFriend, id));
 			registrar.add("Url.Execute", boost::bind(&LLScrollListCtrl::showNameDetails, id, is_group));
 			registrar.add("Url.CopyLabel", boost::bind(&LLScrollListCtrl::copyNameToClipboard, id, is_group));
 			registrar.add("Url.CopyUrl", boost::bind(&LLScrollListCtrl::copySLURLToClipboard, id, is_group));
@@ -1821,11 +1828,33 @@ BOOL LLScrollListCtrl::handleRightMouseDown(S32 x, S32 y, MASK mask)
 	return FALSE;
 }
 
-void LLScrollListCtrl::showNameDetails(std::string id, bool is_group)
+void LLScrollListCtrl::showProfile(std::string id, bool is_group)
 {
 	// show the resident's profile or the group profile
 	std::string sltype = is_group ? "group" : "agent";
 	std::string slurl = "secondlife:///app/" + sltype + "/" + id + "/about";
+	LLUrlAction::showProfile(slurl);
+}
+
+void LLScrollListCtrl::sendIM(std::string id)
+{
+	// send im to the resident
+	std::string slurl = "secondlife:///app/agent/" + id + "/about";
+	LLUrlAction::sendIM(slurl);
+}
+
+void LLScrollListCtrl::addFriend(std::string id)
+{
+	// add resident to friends list
+	std::string slurl = "secondlife:///app/agent/" + id + "/about";
+	LLUrlAction::addFriend(slurl);
+}
+
+void LLScrollListCtrl::showNameDetails(std::string id, bool is_group)
+{
+	// open the resident's details or the group details
+	std::string sltype = is_group ? "group" : "agent";
+	std::string slurl = "secondlife:///app/" + sltype + "/" + id + "/about";
 	LLUrlAction::clickAction(slurl);
 }
 
@@ -1841,7 +1870,7 @@ void LLScrollListCtrl::copyNameToClipboard(std::string id, bool is_group)
 	{
 		LLAvatarName av_name;
 		LLAvatarNameCache::get(LLUUID(id), &av_name);
-		name = av_name.getLegacyName();
+		name = av_name.getAccountName();
 	}
 	LLUrlAction::copyURLToClipboard(name);
 }
diff --git a/indra/llui/llscrolllistctrl.h b/indra/llui/llscrolllistctrl.h
index 38450b6313..c61e281a31 100644..100755
--- a/indra/llui/llscrolllistctrl.h
+++ b/indra/llui/llscrolllistctrl.h
@@ -241,7 +241,7 @@ public:
 	// one of which can be selected at a time.
 	virtual LLScrollListItem* addSimpleElement(const std::string& value, EAddPosition pos = ADD_BOTTOM, const LLSD& id = LLSD());
 
-	BOOL			selectItemByLabel( const std::string& item, BOOL case_sensitive = TRUE );		// FALSE if item not found
+	BOOL			selectItemByLabel( const std::string& item, BOOL case_sensitive = TRUE, S32 column = 0 );		// FALSE if item not found
 	BOOL			selectItemByPrefix(const std::string& target, BOOL case_sensitive = TRUE);
 	BOOL			selectItemByPrefix(const LLWString& target, BOOL case_sensitive = TRUE);
 	LLScrollListItem*  getItemByLabel( const std::string& item, BOOL case_sensitive = TRUE, S32 column = 0 );
@@ -342,7 +342,7 @@ public:
 
 	static void onClickColumn(void *userdata);
 
-	virtual void updateColumns();
+	virtual void updateColumns(bool force_update = false);
 	S32 calcMaxContentWidth();
 	bool updateColumnWidths();
 
@@ -430,6 +430,9 @@ private:
 	BOOL			setSort(S32 column, BOOL ascending);
 	S32				getLinesPerPage();
 
+	static void		showProfile(std::string id, bool is_group);
+	static void		sendIM(std::string id);
+	static void		addFriend(std::string id);
 	static void		showNameDetails(std::string id, bool is_group);
 	static void		copyNameToClipboard(std::string id, bool is_group);
 	static void		copySLURLToClipboard(std::string id, bool is_group);
diff --git a/indra/llui/llscrolllistitem.cpp b/indra/llui/llscrolllistitem.cpp
index 5a1e96ab03..5a1e96ab03 100644..100755
--- a/indra/llui/llscrolllistitem.cpp
+++ b/indra/llui/llscrolllistitem.cpp
diff --git a/indra/llui/llscrolllistitem.h b/indra/llui/llscrolllistitem.h
index 13655b5873..13655b5873 100644..100755
--- a/indra/llui/llscrolllistitem.h
+++ b/indra/llui/llscrolllistitem.h
diff --git a/indra/llui/llsearcheditor.cpp b/indra/llui/llsearcheditor.cpp
index ea96fc573d..ea96fc573d 100644..100755
--- a/indra/llui/llsearcheditor.cpp
+++ b/indra/llui/llsearcheditor.cpp
diff --git a/indra/llui/llsearcheditor.h b/indra/llui/llsearcheditor.h
index c2d7916938..c2d7916938 100644..100755
--- a/indra/llui/llsearcheditor.h
+++ b/indra/llui/llsearcheditor.h
diff --git a/indra/llui/llslider.cpp b/indra/llui/llslider.cpp
index db72234f94..db72234f94 100644..100755
--- a/indra/llui/llslider.cpp
+++ b/indra/llui/llslider.cpp
diff --git a/indra/llui/llslider.h b/indra/llui/llslider.h
index 700c17ea3e..700c17ea3e 100644..100755
--- a/indra/llui/llslider.h
+++ b/indra/llui/llslider.h
diff --git a/indra/llui/llsliderctrl.cpp b/indra/llui/llsliderctrl.cpp
index 583ed1ed2e..583ed1ed2e 100644..100755
--- a/indra/llui/llsliderctrl.cpp
+++ b/indra/llui/llsliderctrl.cpp
diff --git a/indra/llui/llsliderctrl.h b/indra/llui/llsliderctrl.h
index 5153e33f49..5153e33f49 100644..100755
--- a/indra/llui/llsliderctrl.h
+++ b/indra/llui/llsliderctrl.h
diff --git a/indra/llui/llspellcheck.cpp b/indra/llui/llspellcheck.cpp
index a189375fbe..250372da5b 100644..100755
--- a/indra/llui/llspellcheck.cpp
+++ b/indra/llui/llspellcheck.cpp
@@ -145,10 +145,14 @@ void LLSpellChecker::refreshDictionaryMap()
 
 	// Load dictionary information (file name, friendly name, ...)
 	llifstream user_file(user_path + DICT_FILE_MAIN, std::ios::binary);
-	if ( (!user_file.is_open()) || (0 == LLSDSerialize::fromXMLDocument(sDictMap, user_file)) || (0 == sDictMap.size()) )
+	if ( (!user_file.is_open()) 
+		|| (LLSDParser::PARSE_FAILURE == LLSDSerialize::fromXMLDocument(sDictMap, user_file)) 
+		|| (0 == sDictMap.size()) )
 	{
 		llifstream app_file(app_path + DICT_FILE_MAIN, std::ios::binary);
-		if ( (!app_file.is_open()) || (0 == LLSDSerialize::fromXMLDocument(sDictMap, app_file)) || (0 == sDictMap.size()) )
+		if ( (!app_file.is_open()) 
+			|| (LLSDParser::PARSE_FAILURE == LLSDSerialize::fromXMLDocument(sDictMap, app_file)) 
+			|| (0 == sDictMap.size()) )
 		{
 			return;
 		}
diff --git a/indra/llui/llspellcheck.h b/indra/llui/llspellcheck.h
index 4ab80195ea..4ab80195ea 100644..100755
--- a/indra/llui/llspellcheck.h
+++ b/indra/llui/llspellcheck.h
diff --git a/indra/llui/llspellcheckmenuhandler.h b/indra/llui/llspellcheckmenuhandler.h
index d5c95bad39..d5c95bad39 100644..100755
--- a/indra/llui/llspellcheckmenuhandler.h
+++ b/indra/llui/llspellcheckmenuhandler.h
diff --git a/indra/llui/llspinctrl.cpp b/indra/llui/llspinctrl.cpp
index 934879cdfd..8a728df2e7 100644..100755
--- a/indra/llui/llspinctrl.cpp
+++ b/indra/llui/llspinctrl.cpp
@@ -52,6 +52,7 @@ LLSpinCtrl::Params::Params()
 :	label_width("label_width"),
 	decimal_digits("decimal_digits"),
 	allow_text_entry("allow_text_entry", true),
+	allow_digits_only("allow_digits_only", false),
 	label_wrap("label_wrap", false),
 	text_enabled_color("text_enabled_color"),
 	text_disabled_color("text_disabled_color"),
@@ -129,6 +130,10 @@ LLSpinCtrl::LLSpinCtrl(const LLSpinCtrl::Params& p)
 	params.follows.flags(FOLLOWS_LEFT | FOLLOWS_BOTTOM);
 	mEditor = LLUICtrlFactory::create<LLLineEditor> (params);
 	mEditor->setFocusReceivedCallback( boost::bind(&LLSpinCtrl::onEditorGainFocus, _1, this ));
+	if (p.allow_digits_only)
+	{
+		mEditor->setPrevalidateInput(LLTextValidate::validateNonNegativeS32NoSpace);
+	}
 	//RN: this seems to be a BAD IDEA, as it makes the editor behavior different when it has focus
 	// than when it doesn't.  Instead, if you always have to double click to select all the text, 
 	// it's easier to understand
diff --git a/indra/llui/llspinctrl.h b/indra/llui/llspinctrl.h
index 87814f838e..e34add879d 100644..100755
--- a/indra/llui/llspinctrl.h
+++ b/indra/llui/llspinctrl.h
@@ -44,6 +44,7 @@ public:
 		Optional<S32> label_width;
 		Optional<U32> decimal_digits;
 		Optional<bool> allow_text_entry;
+		Optional<bool> allow_digits_only;
 		Optional<bool> label_wrap;
 
 		Optional<LLUIColor> text_enabled_color;
diff --git a/indra/llui/llstatbar.cpp b/indra/llui/llstatbar.cpp
index 04cce7878e..04cce7878e 100644..100755
--- a/indra/llui/llstatbar.cpp
+++ b/indra/llui/llstatbar.cpp
diff --git a/indra/llui/llstatbar.h b/indra/llui/llstatbar.h
index 513fff3234..513fff3234 100644..100755
--- a/indra/llui/llstatbar.h
+++ b/indra/llui/llstatbar.h
diff --git a/indra/llui/llstatgraph.cpp b/indra/llui/llstatgraph.cpp
index e44887ebf0..e44887ebf0 100644..100755
--- a/indra/llui/llstatgraph.cpp
+++ b/indra/llui/llstatgraph.cpp
diff --git a/indra/llui/llstatgraph.h b/indra/llui/llstatgraph.h
index 757525e232..757525e232 100644..100755
--- a/indra/llui/llstatgraph.h
+++ b/indra/llui/llstatgraph.h
diff --git a/indra/llui/llstatview.cpp b/indra/llui/llstatview.cpp
index eda2d6047f..eda2d6047f 100644..100755
--- a/indra/llui/llstatview.cpp
+++ b/indra/llui/llstatview.cpp
diff --git a/indra/llui/llstatview.h b/indra/llui/llstatview.h
index 5abdc42448..5abdc42448 100644..100755
--- a/indra/llui/llstatview.h
+++ b/indra/llui/llstatview.h
diff --git a/indra/llui/llstyle.cpp b/indra/llui/llstyle.cpp
index bb731f4f7e..bb731f4f7e 100644..100755
--- a/indra/llui/llstyle.cpp
+++ b/indra/llui/llstyle.cpp
diff --git a/indra/llui/llstyle.h b/indra/llui/llstyle.h
index 9f1eba79d8..9f1eba79d8 100644..100755
--- a/indra/llui/llstyle.h
+++ b/indra/llui/llstyle.h
diff --git a/indra/llui/lltabcontainer.cpp b/indra/llui/lltabcontainer.cpp
index 5fc2cc350d..fd98155704 100644..100755
--- a/indra/llui/lltabcontainer.cpp
+++ b/indra/llui/lltabcontainer.cpp
@@ -506,8 +506,8 @@ void LLTabContainer::draw()
 		}
 	}
 
-	mPrevArrowBtn->setFlashing(FALSE);
-	mNextArrowBtn->setFlashing(FALSE);
+	mPrevArrowBtn->setFlashing(false);
+	mNextArrowBtn->setFlashing(false);
 }
 
 
@@ -1209,11 +1209,17 @@ void LLTabContainer::removeTabPanel(LLPanel* child)
 				update_images(mTabList[mTabList.size()-2], mLastTabParams, getTabPosition());
 			}
 
-			removeChild( tuple->mButton );
+			if (!getTabsHidden())
+			{
+				// We need to remove tab buttons only if the tabs are not hidden.
+				removeChild( tuple->mButton );
+			}
  			delete tuple->mButton;
+            tuple->mButton = NULL;
 
  			removeChild( tuple->mTabPanel );
 // 			delete tuple->mTabPanel;
+            tuple->mTabPanel = NULL;
 			
 			mTabList.erase( iter );
 			delete tuple;
@@ -1275,9 +1281,11 @@ void LLTabContainer::deleteAllTabs()
 
 		removeChild( tuple->mButton );
 		delete tuple->mButton;
+        tuple->mButton = NULL;
 
  		removeChild( tuple->mTabPanel );
 // 		delete tuple->mTabPanel;
+        tuple->mTabPanel = NULL;
 	}
 
 	// Actually delete the tuples themselves
@@ -1480,13 +1488,20 @@ BOOL LLTabContainer::setTab(S32 which)
 		{
 			LLTabTuple* tuple = *iter;
 			BOOL is_selected = ( tuple == selected_tuple );
-			tuple->mButton->setUseEllipses(mUseTabEllipses);
-			tuple->mButton->setHAlign(mFontHalign);
-			tuple->mTabPanel->setVisible( is_selected );
-// 			tuple->mTabPanel->setFocus(is_selected); // not clear that we want to do this here.
-			tuple->mButton->setToggleState( is_selected );
-			// RN: this limits tab-stops to active button only, which would require arrow keys to switch tabs
-			tuple->mButton->setTabStop( is_selected );
+            // Although the selected tab must be complete, we may have hollow LLTabTuple tucked in the list
+            if (tuple && tuple->mButton)
+            {
+                tuple->mButton->setUseEllipses(mUseTabEllipses);
+                tuple->mButton->setHAlign(mFontHalign);
+                tuple->mButton->setToggleState( is_selected );
+                // RN: this limits tab-stops to active button only, which would require arrow keys to switch tabs
+                tuple->mButton->setTabStop( is_selected );
+            }
+            if (tuple && tuple->mTabPanel)
+            {
+                tuple->mTabPanel->setVisible( is_selected );
+                //tuple->mTabPanel->setFocus(is_selected); // not clear that we want to do this here.
+            }
 			
 			if (is_selected)
 			{
@@ -1513,7 +1528,7 @@ BOOL LLTabContainer::setTab(S32 which)
 					else
 					{
 						S32 available_width_with_arrows = getRect().getWidth() - mRightTabBtnOffset - 2 * (LLPANEL_BORDER_WIDTH + tabcntr_arrow_btn_size  + tabcntr_arrow_btn_size + 1);
-						S32 running_tab_width = tuple->mButton->getRect().getWidth();
+						S32 running_tab_width = (tuple && tuple->mButton ? tuple->mButton->getRect().getWidth() : 0);
 						S32 j = i - 1;
 						S32 min_scroll_pos = i;
 						if (running_tab_width < available_width_with_arrows)
@@ -1521,7 +1536,7 @@ BOOL LLTabContainer::setTab(S32 which)
 							while (j >= 0)
 							{
 								LLTabTuple* other_tuple = getTab(j);
-								running_tab_width += other_tuple->mButton->getRect().getWidth();
+								running_tab_width += (other_tuple && other_tuple->mButton ? other_tuple->mButton->getRect().getWidth() : 0);
 								if (running_tab_width > available_width_with_arrows)
 								{
 									break;
@@ -1557,8 +1572,7 @@ BOOL LLTabContainer::selectTabByName(const std::string& name)
 	LLPanel* panel = getPanelByName(name);
 	if (!panel)
 	{
-		llwarns << "LLTabContainer::selectTabByName("
-			<< name << ") failed" << llendl;
+		llwarns << "LLTabContainer::selectTabByName(" << name << ") failed" << llendl;
 		return FALSE;
 	}
 
diff --git a/indra/llui/lltabcontainer.h b/indra/llui/lltabcontainer.h
index cebace2ceb..57862fc626 100644..100755
--- a/indra/llui/lltabcontainer.h
+++ b/indra/llui/lltabcontainer.h
@@ -188,10 +188,11 @@ public:
 	void		selectFirstTab();
 	void		selectLastTab();
 	void		selectNextTab();
-	 void		selectPrevTab();
+	void		selectPrevTab();
 	BOOL 		selectTabPanel( LLPanel* child );
 	BOOL 		selectTab(S32 which);
 	BOOL 		selectTabByName(const std::string& title);
+    void        setCurrentPanelIndex(S32 index) { mCurrentTabIdx = index; }
 
 	BOOL        getTabPanelFlashing(LLPanel* child);
 	void		setTabPanelFlashing(LLPanel* child, BOOL state);
@@ -242,8 +243,6 @@ private:
 
 	void setTabsHidden(BOOL hidden)		{ mTabsHidden = hidden; }
 	BOOL getTabsHidden() const			{ return mTabsHidden; }
-	
-	void setCurrentPanelIndex(S32 index) { mCurrentTabIdx = index; }
 
 	void scrollPrev() { mScrollPos = llmax(0, mScrollPos-1); } // No wrap
 	void scrollNext() { mScrollPos = llmin(mScrollPos+1, mMaxScrollPos); } // No wrap
diff --git a/indra/llui/lltextbase.cpp b/indra/llui/lltextbase.cpp
index 3815eec447..cc171661ce 100644..100755
--- a/indra/llui/lltextbase.cpp
+++ b/indra/llui/lltextbase.cpp
@@ -46,6 +46,7 @@
 
 const F32	CURSOR_FLASH_DELAY = 1.0f;  // in seconds
 const S32	CURSOR_THICKNESS = 2;
+const F32	TRIPLE_CLICK_INTERVAL = 0.3f;	// delay between double and triple click.
 
 LLTextBase::line_info::line_info(S32 index_start, S32 index_end, LLRect rect, S32 line_num) 
 :	mDocIndexStart(index_start), 
@@ -145,6 +146,7 @@ LLTextBase::Params::Params()
 :	cursor_color("cursor_color"),
 	text_color("text_color"),
 	text_readonly_color("text_readonly_color"),
+	text_tentative_color("text_tentative_color"),
 	bg_visible("bg_visible", false),
 	border_visible("border_visible", false),
 	bg_readonly_color("bg_readonly_color"),
@@ -178,8 +180,9 @@ LLTextBase::Params::Params()
 LLTextBase::LLTextBase(const LLTextBase::Params &p) 
 :	LLUICtrl(p, LLTextViewModelPtr(new LLTextViewModel)),
 	mURLClickSignal(NULL),
+	mIsFriendSignal(NULL),
 	mMaxTextByteLength( p.max_text_length ),
-	mDefaultFont(p.font),
+	mFont(p.font),
 	mFontShadow(p.font_shadow),
 	mPopupMenu(NULL),
 	mReadOnly(p.read_only),
@@ -190,6 +193,7 @@ LLTextBase::LLTextBase(const LLTextBase::Params &p)
 	mFgColor(p.text_color),
 	mBorderVisible( p.border_visible ),
 	mReadOnlyFgColor(p.text_readonly_color),
+	mTentativeFgColor(p.text_tentative_color()),
 	mWriteableBgColor(p.bg_writeable_color),
 	mReadOnlyBgColor(p.bg_readonly_color),
 	mFocusBgColor(p.bg_focus_color),
@@ -319,21 +323,26 @@ bool LLTextBase::truncate()
 	return did_truncate;
 }
 
-const LLStyle::Params& LLTextBase::getDefaultStyleParams()
+const LLStyle::Params& LLTextBase::getStyleParams()
 {
 	//FIXME: convert mDefaultStyle to a flyweight http://www.boost.org/doc/libs/1_40_0/libs/flyweight/doc/index.html
 	//and eliminate color member values
 	if (mStyleDirty)
 	{
-		  mDefaultStyle
+		  mStyle
 				  .color(LLUIColor(&mFgColor))						// pass linked color instead of copy of mFGColor
 				  .readonly_color(LLUIColor(&mReadOnlyFgColor))
 				  .selected_color(LLUIColor(&mTextSelectedColor))
-				  .font(mDefaultFont)
+				  .font(mFont)
 				  .drop_shadow(mFontShadow);
 		  mStyleDirty = false;
 	}
-	return mDefaultStyle;
+	return mStyle;
+}
+
+void LLTextBase::beforeValueChange()
+{
+
 }
 
 void LLTextBase::onValueChange(S32 start, S32 end)
@@ -351,7 +360,6 @@ void LLTextBase::drawSelectionBackground()
 
 		S32 selection_left		= llmin( mSelectionStart, mSelectionEnd );
 		S32 selection_right		= llmax( mSelectionStart, mSelectionEnd );
-		LLRect selection_rect = mVisibleTextRect;
 
 		// Skip through the lines we aren't drawing.
 		LLRect content_display_rect = getVisibleDocumentRect();
@@ -436,6 +444,7 @@ void LLTextBase::drawSelectionBackground()
 			++rect_it)
 		{
 			LLRect selection_rect = *rect_it;
+			selection_rect = *rect_it;
 			selection_rect.translate(mVisibleTextRect.mLeft - content_display_rect.mLeft, mVisibleTextRect.mBottom - content_display_rect.mBottom);
 			gl_rect_2d(selection_rect, selection_color);
 		}
@@ -513,8 +522,8 @@ void LLTextBase::drawCursor()
 			LLRect screen_pos = calcScreenRect();
 			LLCoordGL ime_pos( screen_pos.mLeft + llfloor(cursor_rect.mLeft), screen_pos.mBottom + llfloor(cursor_rect.mTop) );
 
-			ime_pos.mX = (S32) (ime_pos.mX * LLUI::sGLScaleFactor.mV[VX]);
-			ime_pos.mY = (S32) (ime_pos.mY * LLUI::sGLScaleFactor.mV[VY]);
+			ime_pos.mX = (S32) (ime_pos.mX * LLUI::getScaleFactor().mV[VX]);
+			ime_pos.mY = (S32) (ime_pos.mY * LLUI::getScaleFactor().mV[VY]);
 			getWindow()->setLanguageTextInput( ime_pos );
 		}
 	}
@@ -522,11 +531,17 @@ void LLTextBase::drawCursor()
 
 void LLTextBase::drawText()
 {
-	const S32 text_len = getLength();
-	if( text_len <= 0 )
+	S32 text_len = getLength();
+
+	if (text_len <= 0 && mLabel.empty())
 	{
 		return;
 	}
+	else if (useLabel())
+	{
+		text_len = mLabel.getWString().length();
+	}
+
 	S32 selection_left = -1;
 	S32 selection_right = -1;
 	// Draw selection even if we don't have keyboard focus for search/replace
@@ -592,7 +607,8 @@ void LLTextBase::drawText()
 
 				// Find the start of the first word
 				U32 word_start = seg_start, word_end = -1;
-				while ( (word_start < wstrText.length()) && (!LLStringOps::isAlpha(wstrText[word_start])) )
+				U32 text_length = wstrText.length();
+				while ( (word_start < text_length) && (!LLStringOps::isAlpha(wstrText[word_start])) )
 				{
 					word_start++;
 				}
@@ -614,11 +630,15 @@ void LLTextBase::drawText()
 						break;
 					}
 
-					// Don't process words shorter than 3 characters
-					std::string word = wstring_to_utf8str(wstrText.substr(word_start, word_end - word_start));
-					if ( (word.length() >= 3) && (!LLSpellChecker::instance().checkSpelling(word)) )
+					if (word_start < text_length && word_end <= text_length && word_end > word_start)
 					{
-						mMisspellRanges.push_back(std::pair<U32, U32>(word_start, word_end));
+						std::string word = wstring_to_utf8str(wstrText.substr(word_start, word_end - word_start));
+
+						// Don't process words shorter than 3 characters
+						if ( (word.length() >= 3) && (!LLSpellChecker::instance().checkSpelling(word)) )
+						{
+							mMisspellRanges.push_back(std::pair<U32, U32>(word_start, word_end));
+						}
 					}
 
 					// Find the start of the next word
@@ -634,6 +654,10 @@ void LLTextBase::drawText()
 			mSpellCheckEnd = end;
 		}
 	}
+	else
+	{
+		mMisspellRanges.clear();
+	}
 
 	LLTextSegmentPtr cur_segment = *seg_iter;
 
@@ -739,6 +763,8 @@ void LLTextBase::drawText()
 
 S32 LLTextBase::insertStringNoUndo(S32 pos, const LLWString &wstr, LLTextBase::segment_vec_t* segments )
 {
+    beforeValueChange();
+
 	S32 old_len = getLength();		// length() returns character length
 	S32 insert_len = wstr.length();
 
@@ -770,7 +796,7 @@ S32 LLTextBase::insertStringNoUndo(S32 pos, const LLWString &wstr, LLTextBase::s
 	else
 	{
 		// create default editable segment to hold new text
-		LLStyleConstSP sp(new LLStyle(getDefaultStyleParams()));
+		LLStyleConstSP sp(new LLStyle(getStyleParams()));
 		default_segment = new LLNormalTextSegment( sp, pos, pos + insert_len, *this);
 	}
 
@@ -814,6 +840,8 @@ S32 LLTextBase::insertStringNoUndo(S32 pos, const LLWString &wstr, LLTextBase::s
 
 S32 LLTextBase::removeStringNoUndo(S32 pos, S32 length)
 {
+
+    beforeValueChange();
 	segment_set_t::iterator seg_iter = getSegIterContaining(pos);
 	while(seg_iter != mSegments.end())
 	{
@@ -872,6 +900,8 @@ S32 LLTextBase::removeStringNoUndo(S32 pos, S32 length)
 
 S32 LLTextBase::overwriteCharNoUndo(S32 pos, llwchar wc)
 {
+    beforeValueChange();
+
 	if (pos > (S32)getLength())
 	{
 		return 0;
@@ -890,7 +920,7 @@ void LLTextBase::createDefaultSegment()
 	// ensures that there is always at least one segment
 	if (mSegments.empty())
 	{
-		LLStyleConstSP sp(new LLStyle(getDefaultStyleParams()));
+		LLStyleConstSP sp(new LLStyle(getStyleParams()));
 		LLTextSegmentPtr default_segment = new LLNormalTextSegment( sp, 0, getLength() + 1, *this);
 		mSegments.insert(default_segment);
 		default_segment->linkToDocument(this);
@@ -980,6 +1010,13 @@ void LLTextBase::insertSegment(LLTextSegmentPtr segment_to_insert)
 
 BOOL LLTextBase::handleMouseDown(S32 x, S32 y, MASK mask)
 {
+	// handle triple click
+	if (!mTripleClickTimer.hasExpired())
+	{
+		selectAll();
+		return TRUE;
+	}
+
 	LLTextSegmentPtr cur_segment = getSegmentAtLocalPos(x, y);
 	if (cur_segment && cur_segment->handleMouseDown(x, y, mask))
 	{
@@ -1054,6 +1091,14 @@ BOOL LLTextBase::handleRightMouseUp(S32 x, S32 y, MASK mask)
 
 BOOL LLTextBase::handleDoubleClick(S32 x, S32 y, MASK mask)
 {
+	//Don't start triple click timer if user have clicked on scrollbar
+	mVisibleTextRect = mScroller ? mScroller->getContentWindowRect() : getLocalRect();
+	if (x >= mVisibleTextRect.mLeft && x <= mVisibleTextRect.mRight
+	    && y >= mVisibleTextRect.mBottom && y <= mVisibleTextRect.mTop)
+	{
+		mTripleClickTimer.setTimerExpirySec(TRIPLE_CLICK_INTERVAL);
+	}
+
 	LLTextSegmentPtr cur_segment = getSegmentAtLocalPos(x, y);
 	if (cur_segment && cur_segment->handleDoubleClick(x, y, mask))
 	{
@@ -1338,6 +1383,25 @@ void LLTextBase::onSpellCheckSettingsChange()
 	mSpellCheckStart = mSpellCheckEnd = -1;
 }
 
+void LLTextBase::onFocusReceived()
+{
+	LLUICtrl::onFocusReceived();
+	if (!getLength() && !mLabel.empty())
+	{
+		// delete label which is LLLabelTextSegment
+		clearSegments();
+	}
+}
+
+void LLTextBase::onFocusLost()
+{
+	LLUICtrl::onFocusLost();
+	if (!getLength() && !mLabel.empty())
+	{
+		resetLabel();
+	}
+}
+
 // Sets the scrollbar from the cursor position
 void LLTextBase::updateScrollFromCursor()
 {
@@ -1791,7 +1855,17 @@ LLTextBase::segment_set_t::iterator LLTextBase::getSegIterContaining(S32 index)
 
 	static LLPointer<LLIndexSegment> index_segment = new LLIndexSegment();
 
-	if (index > getLength()) { return mSegments.end(); }
+	S32 text_len = 0;
+	if (!useLabel())
+	{
+		text_len = getLength();
+	}
+	else
+	{
+		text_len = mLabel.getWString().length();
+	}
+
+	if (index > text_len) { return mSegments.end(); }
 
 	// when there are no segments, we return the end iterator, which must be checked by caller
 	if (mSegments.size() <= 1) { return mSegments.begin(); }
@@ -1807,7 +1881,17 @@ LLTextBase::segment_set_t::const_iterator LLTextBase::getSegIterContaining(S32 i
 {
 	static LLPointer<LLIndexSegment> index_segment = new LLIndexSegment();
 
-	if (index > getLength()) { return mSegments.end(); }
+	S32 text_len = 0;
+	if (!useLabel())
+	{
+		text_len = getLength();
+	}
+	else
+	{
+		text_len = mLabel.getWString().length();
+	}
+
+	if (index > text_len) { return mSegments.end(); }
 
 	// when there are no segments, we return the end iterator, which must be checked by caller
 	if (mSegments.size() <= 1) { return mSegments.begin(); }
@@ -1857,8 +1941,12 @@ void LLTextBase::createUrlContextMenu(S32 x, S32 y, const std::string &in_url)
 	registrar.add("Url.OpenInternal", boost::bind(&LLUrlAction::openURLInternal, url));
 	registrar.add("Url.OpenExternal", boost::bind(&LLUrlAction::openURLExternal, url));
 	registrar.add("Url.Execute", boost::bind(&LLUrlAction::executeSLURL, url));
+	registrar.add("Url.Block", boost::bind(&LLUrlAction::blockObject, url));
 	registrar.add("Url.Teleport", boost::bind(&LLUrlAction::teleportToLocation, url));
 	registrar.add("Url.ShowProfile", boost::bind(&LLUrlAction::showProfile, url));
+	registrar.add("Url.AddFriend", boost::bind(&LLUrlAction::addFriend, url));
+	registrar.add("Url.RemoveFriend", boost::bind(&LLUrlAction::removeFriend, url));
+	registrar.add("Url.SendIM", boost::bind(&LLUrlAction::sendIM, url));
 	registrar.add("Url.ShowOnMap", boost::bind(&LLUrlAction::showLocationOnMap, url));
 	registrar.add("Url.CopyLabel", boost::bind(&LLUrlAction::copyLabelToClipboard, url));
 	registrar.add("Url.CopyUrl", boost::bind(&LLUrlAction::copyURLToClipboard, url));
@@ -1867,6 +1955,19 @@ void LLTextBase::createUrlContextMenu(S32 x, S32 y, const std::string &in_url)
 	delete mPopupMenu;
 	mPopupMenu = LLUICtrlFactory::getInstance()->createFromFile<LLContextMenu>(xui_file, LLMenuGL::sMenuContainer,
 																		 LLMenuHolderGL::child_registry_t::instance());	
+	if (mIsFriendSignal)
+	{
+		bool isFriend = *(*mIsFriendSignal)(LLUUID(LLUrlAction::getUserID(url)));
+		LLView* addFriendButton = mPopupMenu->getChild<LLView>("add_friend");
+		LLView* removeFriendButton = mPopupMenu->getChild<LLView>("remove_friend");
+
+		if (addFriendButton && removeFriendButton)
+		{
+			addFriendButton->setEnabled(!isFriend);
+			removeFriendButton->setEnabled(isFriend);
+		}
+	}
+	
 	if (mPopupMenu)
 	{
 		mPopupMenu->show(x, y);
@@ -1924,7 +2025,7 @@ static LLFastTimer::DeclareTimer FTM_PARSE_HTML("Parse HTML");
 void LLTextBase::appendTextImpl(const std::string &new_text, const LLStyle::Params& input_params)
 {
 	LLStyle::Params style_params(input_params);
-	style_params.fillFrom(getDefaultStyleParams());
+	style_params.fillFrom(getStyleParams());
 
 	S32 part = (S32)LLTextParser::WHOLE;
 	if (mParseHTML && !style_params.is_link) // Don't search for URLs inside a link segment (STORM-358).
@@ -2009,6 +2110,44 @@ void LLTextBase::appendText(const std::string &new_text, bool prepend_newline, c
 	appendTextImpl(new_text,input_params);
 }
 
+void LLTextBase::setLabel(const LLStringExplicit& label)
+{
+	mLabel = label;
+	resetLabel();
+}
+
+BOOL LLTextBase::setLabelArg(const std::string& key, const LLStringExplicit& text )
+{
+	mLabel.setArg(key, text);
+	return TRUE;
+}
+
+void LLTextBase::resetLabel()
+{
+	if (useLabel())
+	{
+		clearSegments();
+
+		LLStyle* style = new LLStyle(getStyleParams());
+		style->setColor(mTentativeFgColor);
+		LLStyleConstSP sp(style);
+
+		LLTextSegmentPtr label = new LLLabelTextSegment(sp, 0, mLabel.getWString().length() + 1, *this);
+		insertSegment(label);
+	}
+}
+
+bool LLTextBase::useLabel() const
+{
+    return !getLength() && !mLabel.empty() && !hasFocus();
+}
+
+void LLTextBase::setFont(const LLFontGL* font)
+{
+	mFont = font;
+	mStyleDirty = true;
+}
+
 void LLTextBase::needsReflow(S32 index)
 {
 	lldebugs << "reflow on object " << (void*)this << " index = " << mReflowIndex << ", new index = " << index << llendl;
@@ -2239,9 +2378,7 @@ const LLWString& LLTextBase::getWText() const
 S32 LLTextBase::getDocIndexFromLocalCoord( S32 local_x, S32 local_y, BOOL round, bool hit_past_end_of_line) const
 {
 	// Figure out which line we're nearest to.
-	LLRect visible_region = getVisibleDocumentRect();
 	LLRect doc_rect = mDocumentView->getRect();
-
 	S32 doc_y = local_y - doc_rect.mBottom;
 	
 	// binary search for line that starts before local_y
@@ -2399,7 +2536,7 @@ LLRect LLTextBase::getLocalRectFromDocIndex(S32 pos) const
 	{ 
 		// return default height rect in upper left
 		local_rect = content_window_rect;
-		local_rect.mBottom = local_rect.mTop - mDefaultFont->getLineHeight();
+		local_rect.mBottom = local_rect.mTop - mFont->getLineHeight();
 		return local_rect;
 	}
 
@@ -2505,21 +2642,18 @@ void LLTextBase::setCursorAtLocalPos( S32 local_x, S32 local_y, bool round, bool
 void LLTextBase::changeLine( S32 delta )
 {
 	S32 line = getLineNumFromDocIndex(mCursorPos);
+	S32 max_line_nb = getLineCount() - 1;
+	max_line_nb = (max_line_nb < 0 ? 0 : max_line_nb);
+    
+	S32 new_line = llclamp(line + delta, 0, max_line_nb);
 
-	S32 new_line = line;
-	if( (delta < 0) && (line > 0 ) )
-	{
-		new_line = line - 1;
-	}
-	else if( (delta > 0) && (line < (getLineCount() - 1)) )
-	{
-		new_line = line + 1;
-	}
-
-	LLRect visible_region = getVisibleDocumentRect();
-
-	S32 new_cursor_pos = getDocIndexFromLocalCoord(mDesiredXPixel, mLineInfoList[new_line].mRect.mBottom + mVisibleTextRect.mBottom - visible_region.mBottom, TRUE);
-	setCursorPos(new_cursor_pos, true);
+    if (new_line != line)
+    {
+        LLRect visible_region = getVisibleDocumentRect();
+        S32 new_cursor_pos = getDocIndexFromLocalCoord(mDesiredXPixel,
+                                                       mLineInfoList[new_line].mRect.mBottom + mVisibleTextRect.mBottom - visible_region.mBottom, TRUE);
+        setCursorPos(new_cursor_pos, true);
+    }
 }
 
 bool LLTextBase::scrolledToStart()
@@ -2813,6 +2947,15 @@ boost::signals2::connection LLTextBase::setURLClickedCallback(const commit_signa
 	return mURLClickSignal->connect(cb);
 }
 
+boost::signals2::connection LLTextBase::setIsFriendCallback(const is_friend_signal_t::slot_type& cb)
+{
+	if (!mIsFriendSignal)
+	{
+		mIsFriendSignal = new is_friend_signal_t();
+	}
+	return mIsFriendSignal->connect(cb);
+}
+
 //
 // LLTextSegment
 //
@@ -2904,7 +3047,7 @@ F32 LLNormalTextSegment::drawClippedSegment(S32 seg_start, S32 seg_end, S32 sele
 {
 	F32 alpha = LLViewDrawContext::getCurrentContext().mAlpha;
 
-	const LLWString &text = mEditor.getWText();
+	const LLWString &text = getWText();
 
 	F32 right_x = rect.mLeft;
 	if (!mStyle->isVisible())
@@ -3067,7 +3210,7 @@ bool LLNormalTextSegment::getDimensions(S32 first_char, S32 num_chars, S32& widt
 	if (num_chars > 0)
 	{
 		height = mFontHeight;
-		const LLWString &text = mEditor.getWText();
+		const LLWString &text = getWText();
 		// if last character is a newline, then return true, forcing line break
 		width = mStyle->getFont()->getWidth(text.c_str(), mStart + first_char, num_chars);
 	}
@@ -3076,7 +3219,7 @@ bool LLNormalTextSegment::getDimensions(S32 first_char, S32 num_chars, S32& widt
 
 S32	LLNormalTextSegment::getOffset(S32 segment_local_x_coord, S32 start_offset, S32 num_chars, bool round) const
 {
-	const LLWString &text = mEditor.getWText();
+	const LLWString &text = getWText();
 	return mStyle->getFont()->charFromPixelOffset(text.c_str(), mStart + start_offset,
 											   (F32)segment_local_x_coord,
 											   F32_MAX,
@@ -3086,7 +3229,7 @@ S32	LLNormalTextSegment::getOffset(S32 segment_local_x_coord, S32 start_offset,
 
 S32	LLNormalTextSegment::getNumChars(S32 num_pixels, S32 segment_offset, S32 line_offset, S32 max_chars) const
 {
-	const LLWString &text = mEditor.getWText();
+	const LLWString &text = getWText();
 
 	LLUIImagePtr image = mStyle->getImage();
 	if( image.notNull())
@@ -3104,7 +3247,23 @@ S32	LLNormalTextSegment::getNumChars(S32 num_pixels, S32 segment_offset, S32 lin
 	LLFontGL::EWordWrapStyle word_wrap_style = (line_offset == 0) 
 		? LLFontGL::WORD_BOUNDARY_IF_POSSIBLE 
 		: LLFontGL::ONLY_WORD_BOUNDARIES;
-	S32 num_chars = mStyle->getFont()->maxDrawableChars(text.c_str() + segment_offset + mStart, 
+	
+	
+	S32 offsetLength = text.length() - (segment_offset + mStart);
+
+	if(getLength() < segment_offset + mStart)
+	{ 
+		llinfos << "getLength() < segment_offset + mStart\t getLength()\t" << getLength() << "\tsegment_offset:\t" 
+						<< segment_offset << "\tmStart:\t" << mStart << "\tsegments\t" << mEditor.mSegments.size() << "\tmax_chars\t" << max_chars << llendl;
+	}
+
+	if( (offsetLength + 1) < max_chars)
+	{
+		llinfos << "offsetString.length() + 1 < max_chars\t max_chars:\t" << max_chars << "\toffsetLength:\t" << offsetLength << " getLength() : "
+			<< getLength() << "\tsegment_offset:\t" << segment_offset << "\tmStart:\t" << mStart << "\tsegments\t" << mEditor.mSegments.size() << llendl;
+	}
+	
+	S32 num_chars = mStyle->getFont()->maxDrawableChars( text.c_str() + (segment_offset + mStart),
 												(F32)num_pixels,
 												max_chars, 
 												word_wrap_style);
@@ -3122,7 +3281,7 @@ S32	LLNormalTextSegment::getNumChars(S32 num_pixels, S32 segment_offset, S32 lin
 	S32 last_char_in_run = mStart + segment_offset + num_chars;
 	// check length first to avoid indexing off end of string
 	if (last_char_in_run < mEnd 
-		&& (last_char_in_run >= mEditor.getLength() ))
+		&& (last_char_in_run >= getLength()))
 	{
 		num_chars++;
 	}
@@ -3140,6 +3299,39 @@ void LLNormalTextSegment::dump() const
 		llendl;
 }
 
+/*virtual*/
+const LLWString& LLNormalTextSegment::getWText()	const
+{
+	return mEditor.getWText();
+}
+
+/*virtual*/
+const S32 LLNormalTextSegment::getLength() const
+{
+	return mEditor.getLength();
+}
+
+LLLabelTextSegment::LLLabelTextSegment( LLStyleConstSP style, S32 start, S32 end, LLTextBase& editor )
+:	LLNormalTextSegment(style, start, end, editor)
+{
+}
+
+LLLabelTextSegment::LLLabelTextSegment( const LLColor4& color, S32 start, S32 end, LLTextBase& editor, BOOL is_visible)
+:	LLNormalTextSegment(color, start, end, editor, is_visible)
+{
+}
+
+/*virtual*/
+const LLWString& LLLabelTextSegment::getWText()	const
+{
+	return mEditor.getWlabel();
+}
+/*virtual*/
+const S32 LLLabelTextSegment::getLength() const
+{
+	return mEditor.getWlabel().length();
+}
+
 //
 // LLOnHoverChangeableTextSegment
 //
@@ -3344,3 +3536,7 @@ F32	LLImageTextSegment::draw(S32 start, S32 end, S32 selection_start, S32 select
 	return 0.0;
 }
 
+void LLTextBase::setWordWrap(bool wrap)
+{
+	mWordWrap = wrap;
+}
diff --git a/indra/llui/lltextbase.h b/indra/llui/lltextbase.h
index 90b147cee1..a74e97cac8 100644..100755
--- a/indra/llui/lltextbase.h
+++ b/indra/llui/lltextbase.h
@@ -41,6 +41,7 @@
 
 #include <boost/signals2.hpp>
 
+class LLScrollContainer;
 class LLContextMenu;
 class LLUrlMatch;
 
@@ -106,7 +107,7 @@ class LLNormalTextSegment : public LLTextSegment
 public:
 	LLNormalTextSegment( LLStyleConstSP style, S32 start, S32 end, LLTextBase& editor );
 	LLNormalTextSegment( const LLColor4& color, S32 start, S32 end, LLTextBase& editor, BOOL is_visible = TRUE);
-	~LLNormalTextSegment();
+	virtual ~LLNormalTextSegment();
 
 	/*virtual*/ bool				getDimensions(S32 first_char, S32 num_chars, S32& width, S32& height) const;
 	/*virtual*/ S32					getOffset(S32 segment_local_x_coord, S32 start_offset, S32 num_chars, bool round) const;
@@ -131,6 +132,9 @@ public:
 protected:
 	F32					drawClippedSegment(S32 seg_start, S32 seg_end, S32 selection_start, S32 selection_end, LLRect rect);
 
+	virtual		const LLWString&	getWText()	const;
+	virtual		const S32			getLength()	const;
+
 protected:
 	class LLTextBase&	mEditor;
 	LLStyleConstSP		mStyle;
@@ -140,6 +144,21 @@ protected:
 	boost::signals2::connection mImageLoadedConnection;
 };
 
+// This text segment is the same as LLNormalTextSegment, the only difference
+// is that LLNormalTextSegment draws value of LLTextBase (LLTextBase::getWText()),
+// but LLLabelTextSegment draws label of the LLTextBase (LLTextBase::mLabel)
+class LLLabelTextSegment : public LLNormalTextSegment
+{
+public:
+	LLLabelTextSegment( LLStyleConstSP style, S32 start, S32 end, LLTextBase& editor );
+	LLLabelTextSegment( const LLColor4& color, S32 start, S32 end, LLTextBase& editor, BOOL is_visible = TRUE);
+
+protected:
+
+	/*virtual*/	const LLWString&	getWText()	const;
+	/*virtual*/	const S32			getLength()	const;
+};
+
 // Text segment that changes it's style depending of mouse pointer position ( is it inside or outside segment)
 class LLOnHoverChangeableTextSegment : public LLNormalTextSegment
 {
@@ -239,6 +258,8 @@ public:
 	friend class LLNormalTextSegment;
 	friend class LLUICtrlFactory;
 
+	typedef boost::signals2::signal<bool (const LLUUID& user_id)> is_friend_signal_t;
+
 	struct LineSpacingParams : public LLInitParam::ChoiceBlock<LineSpacingParams>
 	{
 		Alternative<F32>	multiple;
@@ -251,6 +272,7 @@ public:
 		Optional<LLUIColor>		cursor_color,
 								text_color,
 								text_readonly_color,
+								text_tentative_color,
 								bg_readonly_color,
 								bg_writeable_color,
 								bg_focus_color,
@@ -314,6 +336,9 @@ public:
 	/*virtual*/ BOOL		canDeselect() const;
 	/*virtual*/ void		deselect();
 
+	virtual void	onFocusReceived();
+	virtual void	onFocusLost();
+
 	// LLSpellCheckMenuHandler overrides
 	/*virtual*/ bool		getSpellCheck() const;
 
@@ -351,6 +376,21 @@ public:
 	const LLWString&       	getWText() const;
 
 	void					appendText(const std::string &new_text, bool prepend_newline, const LLStyle::Params& input_params = LLStyle::Params());
+
+	void					setLabel(const LLStringExplicit& label);
+	virtual BOOL			setLabelArg(const std::string& key, const LLStringExplicit& text );
+
+	const	std::string& 	getLabel()	{ return mLabel.getString(); }
+	const	LLWString&		getWlabel() { return mLabel.getWString();}
+
+	/**
+	 * If label is set, draws text label (which is LLLabelTextSegment)
+	 * that is visible when no user text provided
+	 */
+	void					resetLabel();
+
+	void					setFont(const LLFontGL* font);
+
 	// force reflow of text
 	void					needsReflow(S32 index = 0);
 
@@ -390,12 +430,16 @@ public:
 	bool					scrolledToStart();
 	bool					scrolledToEnd();
 
-	const LLFontGL*			getDefaultFont() const					{ return mDefaultFont; }
+	const LLFontGL*			getFont() const					{ return mFont; }
 
 	virtual void			appendLineBreakSegment(const LLStyle::Params& style_params);
 	virtual void			appendImageSegment(const LLStyle::Params& style_params);
 	virtual void			appendWidget(const LLInlineViewSegment::Params& params, const std::string& text, bool allow_undo);
 	boost::signals2::connection setURLClickedCallback(const commit_signal_t::slot_type& cb);
+	boost::signals2::connection setIsFriendCallback(const is_friend_signal_t::slot_type& cb);
+
+	void					setWordWrap(bool wrap);
+	LLScrollContainer*		getScrollContainer() const { return mScroller; }
 
 protected:
 	// helper structs
@@ -464,7 +508,9 @@ protected:
 	LLTextBase(const Params &p);
 	virtual ~LLTextBase();
 	void							initFromParams(const Params& p);
+    virtual void					beforeValueChange();
 	virtual void					onValueChange(S32 start, S32 end);
+    virtual bool                    useLabel() const;
 
 	// draw methods
 	void							drawSelectionBackground(); // draws the black box behind the selected text
@@ -490,7 +536,7 @@ protected:
 	void							createDefaultSegment();
 	virtual void					updateSegments();
 	void							insertSegment(LLTextSegmentPtr segment_to_insert);
-	const LLStyle::Params&			getDefaultStyleParams();
+	const LLStyle::Params&			getStyleParams();
 
 	//  manage lines
 	S32								getLineStart( S32 line ) const;
@@ -535,15 +581,16 @@ protected:
 	LLRect						mTextBoundingRect;
 
 	// default text style
-	LLStyle::Params				mDefaultStyle;
+	LLStyle::Params				mStyle;
 	bool						mStyleDirty;
-	const LLFontGL* const		mDefaultFont;		// font that is used when none specified, can only be set by constructor
-	const LLFontGL::ShadowType	mFontShadow;		// shadow style, can only be set by constructor
+	const LLFontGL*				mFont;
+	const LLFontGL::ShadowType	mFontShadow;
 
 	// colors
 	LLUIColor					mCursorColor;
 	LLUIColor					mFgColor;
 	LLUIColor					mReadOnlyFgColor;
+	LLUIColor					mTentativeFgColor;
 	LLUIColor					mWriteableBgColor;
 	LLUIColor					mReadOnlyBgColor;
 	LLUIColor					mFocusBgColor;
@@ -558,7 +605,8 @@ protected:
 	// selection
 	S32							mSelectionStart;
 	S32							mSelectionEnd;
-	
+	LLTimer		                mTripleClickTimer;
+
 	BOOL						mIsSelecting;		// Are we in the middle of a drag-select? 
 
 	// spell checking
@@ -587,12 +635,13 @@ protected:
 	bool						mClip;				// clip text to widget rect
 	bool						mClipPartial;		// false if we show lines that are partially inside bounding rect
 	bool						mPlainText;			// didn't use Image or Icon segments
+	bool						mAutoIndent;
 	S32							mMaxTextByteLength;	// Maximum length mText is allowed to be in bytes
 
 	// support widgets
 	LLContextMenu*				mPopupMenu;
 	LLView*						mDocumentView;
-	class LLScrollContainer*	mScroller;
+	LLScrollContainer*			mScroller;
 
 	// transient state
 	S32							mReflowIndex;		// index at which to start reflow.  S32_MAX indicates no reflow needed.
@@ -602,6 +651,10 @@ protected:
 	// Fired when a URL link is clicked
 	commit_signal_t*			mURLClickSignal;
 
+	// Used to check if user with given ID is avatar's friend
+	is_friend_signal_t*         mIsFriendSignal;
+
+	LLUIString					mLabel;	// text label that is visible when no user text provided
 };
 
 #endif
diff --git a/indra/llui/lltextbox.cpp b/indra/llui/lltextbox.cpp
index 11cfa1d263..11cfa1d263 100644..100755
--- a/indra/llui/lltextbox.cpp
+++ b/indra/llui/lltextbox.cpp
diff --git a/indra/llui/lltextbox.h b/indra/llui/lltextbox.h
index 071e18c638..071e18c638 100644..100755
--- a/indra/llui/lltextbox.h
+++ b/indra/llui/lltextbox.h
diff --git a/indra/llui/lltexteditor.cpp b/indra/llui/lltexteditor.cpp
index 144b6960a1..0c16e06109 100644..100755
--- a/indra/llui/lltexteditor.cpp
+++ b/indra/llui/lltexteditor.cpp
@@ -237,20 +237,24 @@ LLTextEditor::Params::Params()
 	embedded_items("embedded_items", false),
 	ignore_tab("ignore_tab", true),
 	show_line_numbers("show_line_numbers", false),
+	auto_indent("auto_indent", true),
 	default_color("default_color"),
     commit_on_focus_lost("commit_on_focus_lost", false),
-	show_context_menu("show_context_menu")
+	show_context_menu("show_context_menu"),
+	enable_tooltip_paste("enable_tooltip_paste")
 {
 	addSynonym(prevalidate_callback, "text_type");
 }
 
 LLTextEditor::LLTextEditor(const LLTextEditor::Params& p) :
 	LLTextBase(p),
+	mAutoreplaceCallback(),
 	mBaseDocIsPristine(TRUE),
 	mPristineCmd( NULL ),
 	mLastCmd( NULL ),
 	mDefaultColor(		p.default_color() ),
 	mShowLineNumbers ( p.show_line_numbers ),
+	mAutoIndent(p.auto_indent),
 	mCommitOnFocusLost( p.commit_on_focus_lost),
 	mAllowEmbeddedItems( p.embedded_items ),
 	mMouseDownX(0),
@@ -258,7 +262,9 @@ LLTextEditor::LLTextEditor(const LLTextEditor::Params& p) :
 	mTabsToNextField(p.ignore_tab),
 	mPrevalidateFunc(p.prevalidate_callback()),
 	mContextMenu(NULL),
-	mShowContextMenu(p.show_context_menu)
+	mShowContextMenu(p.show_context_menu),
+	mEnableTooltipPaste(p.enable_tooltip_paste),
+	mPassDelete(FALSE)
 {
 	mSourceID.generate();
 
@@ -950,12 +956,18 @@ S32 LLTextEditor::insert(S32 pos, const LLWString &wstr, bool group_with_next_op
 S32 LLTextEditor::remove(S32 pos, S32 length, bool group_with_next_op)
 {
 	S32 end_pos = getEditableIndex(pos + length, true);
+	BOOL removedChar = FALSE;
 
 	segment_vec_t segments_to_remove;
 	// store text segments
 	getSegmentsInRange(segments_to_remove, pos, pos + length, false);
+	
+	if(pos <= end_pos)
+	{
+		removedChar = execute( new TextCmdRemove( pos, group_with_next_op, end_pos - pos, segments_to_remove ) );
+	}
 
-	return execute( new TextCmdRemove( pos, group_with_next_op, end_pos - pos, segments_to_remove ) );
+	return removedChar;
 }
 
 S32 LLTextEditor::overwriteChar(S32 pos, llwchar wc)
@@ -1094,8 +1106,27 @@ void LLTextEditor::addChar(llwchar wc)
 	}
 
 	setCursorPos(mCursorPos + addChar( mCursorPos, wc ));
+
+	if (!mReadOnly && mAutoreplaceCallback != NULL)
+	{
+		// autoreplace the text, if necessary
+		S32 replacement_start;
+		S32 replacement_length;
+		LLWString replacement_string;
+		S32 new_cursor_pos = mCursorPos;
+		mAutoreplaceCallback(replacement_start, replacement_length, replacement_string, new_cursor_pos, getWText());
+
+		if (replacement_length > 0 || !replacement_string.empty())
+		{
+			remove(replacement_start, replacement_length, true);
+			insert(replacement_start, replacement_string, false, LLTextSegmentPtr());
+			setCursorPos(new_cursor_pos);
+		}
+	}
 }
-void LLTextEditor::addLineBreakChar()
+
+
+void LLTextEditor::addLineBreakChar(BOOL group_together)
 {
 	if( !getEnabled() )
 	{
@@ -1113,7 +1144,7 @@ void LLTextEditor::addLineBreakChar()
 	LLStyleConstSP sp(new LLStyle(LLStyle::Params()));
 	LLTextSegmentPtr segment = new LLLineBreakTextSegment(sp, mCursorPos);
 
-	S32 pos = execute(new TextCmdAddChar(mCursorPos, FALSE, '\n', segment));
+	S32 pos = execute(new TextCmdAddChar(mCursorPos, group_together, '\n', segment));
 	
 	setCursorPos(mCursorPos + pos);
 }
@@ -1411,6 +1442,23 @@ void LLTextEditor::pasteHelper(bool is_primary)
 
 	// Clean up string (replace tabs and remove characters that our fonts don't support).
 	LLWString clean_string(paste);
+	cleanStringForPaste(clean_string);
+
+	// Insert the new text into the existing text.
+
+	//paste text with linebreaks.
+	pasteTextWithLinebreaks(clean_string);
+
+	deselect();
+
+	onKeyStroke();
+	mParseOnTheFly = TRUE;
+}
+
+
+// Clean up string (replace tabs and remove characters that our fonts don't support).
+void LLTextEditor::cleanStringForPaste(LLWString & clean_string)
+{
 	LLWStringUtil::replaceTabsWithSpaces(clean_string, SPACES_PER_TAB);
 	if( mAllowEmbeddedItems )
 	{
@@ -1429,37 +1477,38 @@ void LLTextEditor::pasteHelper(bool is_primary)
 			}
 		}
 	}
+}
 
-	// Insert the new text into the existing text.
 
-	//paste text with linebreaks.
+void LLTextEditor::pasteTextWithLinebreaks(LLWString & clean_string)
+{
 	std::basic_string<llwchar>::size_type start = 0;
 	std::basic_string<llwchar>::size_type pos = clean_string.find('\n',start);
 	
-	while(pos!=-1)
+	while((pos != -1) && (pos != clean_string.length() -1))
 	{
 		if(pos!=start)
 		{
 			std::basic_string<llwchar> str = std::basic_string<llwchar>(clean_string,start,pos-start);
-			setCursorPos(mCursorPos + insert(mCursorPos, str, FALSE, LLTextSegmentPtr()));
+			setCursorPos(mCursorPos + insert(mCursorPos, str, TRUE, LLTextSegmentPtr()));
 		}
-		addLineBreakChar();
-		
+		addLineBreakChar(TRUE);			// Add a line break and group with the next addition.
+
 		start = pos+1;
 		pos = clean_string.find('\n',start);
 	}
 
-	std::basic_string<llwchar> str = std::basic_string<llwchar>(clean_string,start,clean_string.length()-start);
-	setCursorPos(mCursorPos + insert(mCursorPos, str, FALSE, LLTextSegmentPtr()));
-
-	deselect();
-
-	onKeyStroke();
-	mParseOnTheFly = TRUE;
+	if (pos != start)
+	{
+		std::basic_string<llwchar> str = std::basic_string<llwchar>(clean_string,start,clean_string.length()-start);
+		setCursorPos(mCursorPos + insert(mCursorPos, str, FALSE, LLTextSegmentPtr()));
+	}
+	else
+	{
+		addLineBreakChar(FALSE);		// Add a line break and end the grouping.
+	}
 }
 
-
-
 // copy selection to primary
 void LLTextEditor::copyPrimary()
 {
@@ -1608,7 +1657,10 @@ BOOL LLTextEditor::handleSpecialKey(const KEY key, const MASK mask)
 			{
 				deleteSelection(FALSE);
 			}
-			autoIndent(); // TODO: make this optional
+			if (mAutoIndent)
+			{
+				autoIndent();
+			}
 		}
 		else
 		{
@@ -1680,19 +1732,50 @@ BOOL LLTextEditor::handleKeyHere(KEY key, MASK mask )
 	{
 		return FALSE;
 	}
-		
+
 	if (mReadOnly && mScroller)
 	{
 		handled = (mScroller && mScroller->handleKeyHere( key, mask ))
 				|| handleSelectionKey(key, mask)
 				|| handleControlKey(key, mask);
+	}
+	else 
+	{
+		if (mEnableTooltipPaste &&
+			LLToolTipMgr::instance().toolTipVisible() && 
+			KEY_TAB == key)
+		{	// Paste the first line of a tooltip into the editor
+			std::string message;
+			LLToolTipMgr::instance().getToolTipMessage(message);
+			LLWString tool_tip_text(utf8str_to_wstring(message));
+
+			if (tool_tip_text.size() > 0)
+			{
+				// Delete any selected characters (the tooltip text replaces them)
+				if(hasSelection())
+				{
+					deleteSelection(TRUE);
+				}
+
+				std::basic_string<llwchar>::size_type pos = tool_tip_text.find('\n',0);
+				if (pos != -1)
+				{	// Extract the first line of the tooltip
+					tool_tip_text = std::basic_string<llwchar>(tool_tip_text, 0, pos);
+				}
+
+				// Add the text
+				cleanStringForPaste(tool_tip_text);
+				pasteTextWithLinebreaks(tool_tip_text);
+				handled = TRUE;
+			}
+		}
+		else
+		{	// Normal key handling
+			handled = handleNavigationKey( key, mask )
+					|| handleSelectionKey(key, mask)
+					|| handleControlKey(key, mask)
+					|| handleSpecialKey(key, mask);
 		}
-		else 
-		{
-		handled = handleNavigationKey( key, mask )
-				|| handleSelectionKey(key, mask)
-				|| handleControlKey(key, mask)
-				|| handleSpecialKey(key, mask);
 	}
 
 	if( handled )
@@ -1748,7 +1831,7 @@ BOOL LLTextEditor::handleUnicodeCharHere(llwchar uni_char)
 // virtual
 BOOL LLTextEditor::canDoDelete() const
 {
-	return !mReadOnly && ( hasSelection() || (mCursorPos < getLength()) );
+	return !mReadOnly && ( !mPassDelete || ( hasSelection() || (mCursorPos < getLength())) );
 }
 
 void LLTextEditor::doDelete()
@@ -1889,8 +1972,7 @@ void LLTextEditor::onFocusReceived()
 	updateAllowingLanguageInput();
 }
 
-// virtual, from LLView
-void LLTextEditor::onFocusLost()
+void LLTextEditor::focusLostHelper()
 {
 	updateAllowingLanguageInput();
 
@@ -1907,7 +1989,11 @@ void LLTextEditor::onFocusLost()
 
 	// Make sure cursor is shown again
 	getWindow()->showCursorFromMouseMove();
+}
 
+void LLTextEditor::onFocusLost()
+{
+	focusLostHelper();
 	LLTextBase::onFocusLost();
 }
 
@@ -2017,7 +2103,7 @@ void LLTextEditor::drawPreeditMarker()
 		return;
 	}
 		
-	const S32 line_height = mDefaultFont->getLineHeight();
+	const S32 line_height = mFont->getLineHeight();
 
 	S32 line_start = getLineStart(cur_line);
 	S32 line_y = mVisibleTextRect.mTop - line_height;
@@ -2053,36 +2139,41 @@ void LLTextEditor::drawPreeditMarker()
 					continue;
 				}
 
-				S32 preedit_left = mVisibleTextRect.mLeft;
+				line_info& line = mLineInfoList[cur_line];
+				LLRect text_rect(line.mRect);
+				text_rect.mRight = mDocumentView->getRect().getWidth(); // clamp right edge to document extents
+				text_rect.translate(mDocumentView->getRect().mLeft, mDocumentView->getRect().mBottom); // adjust by scroll position
+
+				S32 preedit_left = text_rect.mLeft;
 				if (left > line_start)
 				{
-					preedit_left += mDefaultFont->getWidth(text, line_start, left - line_start);
+					preedit_left += mFont->getWidth(text, line_start, left - line_start);
 				}
-				S32 preedit_right = mVisibleTextRect.mLeft;
+				S32 preedit_right = text_rect.mLeft;
 				if (right < line_end)
 				{
-					preedit_right += mDefaultFont->getWidth(text, line_start, right - line_start);
+					preedit_right += mFont->getWidth(text, line_start, right - line_start);
 				}
 				else
 				{
-					preedit_right += mDefaultFont->getWidth(text, line_start, line_end - line_start);
+					preedit_right += mFont->getWidth(text, line_start, line_end - line_start);
 				}
 
 				if (mPreeditStandouts[i])
 				{
 					gl_rect_2d(preedit_left + preedit_standout_gap,
-							line_y + preedit_standout_position,
-							preedit_right - preedit_standout_gap - 1,
-							line_y + preedit_standout_position - preedit_standout_thickness,
-							(mCursorColor.get() * preedit_standout_brightness + mWriteableBgColor.get() * (1 - preedit_standout_brightness)).setAlpha(1.0f));
+							   text_rect.mBottom + mFont->getDescenderHeight() - 1,
+							   preedit_right - preedit_standout_gap - 1,
+							   text_rect.mBottom + mFont->getDescenderHeight() - 1 - preedit_standout_thickness,
+							   (mCursorColor.get() * preedit_standout_brightness + mWriteableBgColor.get() * (1 - preedit_standout_brightness)).setAlpha(1.0f));
 				}
 				else
 				{
 					gl_rect_2d(preedit_left + preedit_marker_gap,
-							line_y + preedit_marker_position,
-							preedit_right - preedit_marker_gap - 1,
-							line_y + preedit_marker_position - preedit_marker_thickness,
-							(mCursorColor.get() * preedit_marker_brightness + mWriteableBgColor.get() * (1 - preedit_marker_brightness)).setAlpha(1.0f));
+							   text_rect.mBottom + mFont->getDescenderHeight() - 1,
+							   preedit_right - preedit_marker_gap - 1,
+							   text_rect.mBottom + mFont->getDescenderHeight() - 1 - preedit_marker_thickness,
+							   (mCursorColor.get() * preedit_marker_brightness + mWriteableBgColor.get() * (1 - preedit_marker_brightness)).setAlpha(1.0f));
 				}
 			}
 		}
@@ -2165,12 +2256,13 @@ void LLTextEditor::draw()
 		LLRect clip_rect(mVisibleTextRect);
 		clip_rect.stretch(1);
 		LLLocalClipRect clip(clip_rect);
-		drawPreeditMarker();
 	}
 
 	LLTextBase::draw();
 	drawLineNumbers();
 
+    drawPreeditMarker();
+
 	//RN: the decision was made to always show the orange border for keyboard focus but do not put an insertion caret
 	// when in readonly mode
 	mBorder->setKeyboardFocusHighlight( hasFocus() );// && !mReadOnly);
@@ -2446,7 +2538,6 @@ void LLTextEditor::updateSegments()
 		mKeywords.findSegments(&segment_list, getWText(), mDefaultColor.get(), *this);
 
 		clearSegments();
-		segment_set_t::iterator insert_it = mSegments.begin();
 		for (segment_vec_t::iterator list_it = segment_list.begin(); list_it != segment_list.end(); ++list_it)
 		{
 			insertSegment(*list_it);
@@ -2621,14 +2712,20 @@ BOOL LLTextEditor::hasPreeditString() const
 
 void LLTextEditor::resetPreedit()
 {
+    if (hasSelection())
+    {
+		if (hasPreeditString())
+        {
+            llwarns << "Preedit and selection!" << llendl;
+            deselect();
+        }
+        else
+        {
+            deleteSelection(TRUE);
+        }
+    }
 	if (hasPreeditString())
 	{
-		if (hasSelection())
-		{
-			llwarns << "Preedit and selection!" << llendl;
-			deselect();
-		}
-
 		setCursorPos(mPreeditPositions.front());
 		removeStringNoUndo(mCursorPos, mPreeditPositions.back() - mCursorPos);
 		insertStringNoUndo(mCursorPos, mPreeditOverwrittenWString);
@@ -2676,7 +2773,10 @@ void LLTextEditor::updatePreedit(const LLWString &preedit_string,
 	{
 		mPreeditOverwrittenWString.clear();
 	}
-	insertStringNoUndo(insert_preedit_at, mPreeditWString);
+    
+	segment_vec_t segments;
+	//pass empty segments to let "insertStringNoUndo" make new LLNormalTextSegment and insert it, if needed.
+	insertStringNoUndo(insert_preedit_at, mPreeditWString, &segments); 
 
 	mPreeditStandouts = preedit_standouts;
 
@@ -2740,11 +2840,11 @@ BOOL LLTextEditor::getPreeditLocation(S32 query_offset, LLCoordGL *coord, LLRect
 
     const LLWString textString(getWText());
 	const llwchar * const text = textString.c_str();
-	const S32 line_height = mDefaultFont->getLineHeight();
+	const S32 line_height = mFont->getLineHeight();
 
 	if (coord)
 	{
-		const S32 query_x = mVisibleTextRect.mLeft + mDefaultFont->getWidth(text, current_line_start, query - current_line_start);
+		const S32 query_x = mVisibleTextRect.mLeft + mFont->getWidth(text, current_line_start, query - current_line_start);
 		const S32 query_y = mVisibleTextRect.mTop - (current_line - first_visible_line) * line_height - line_height / 2;
 		S32 query_screen_x, query_screen_y;
 		localPointToScreen(query_x, query_y, &query_screen_x, &query_screen_y);
@@ -2756,17 +2856,17 @@ BOOL LLTextEditor::getPreeditLocation(S32 query_offset, LLCoordGL *coord, LLRect
 		S32 preedit_left = mVisibleTextRect.mLeft;
 		if (preedit_left_position > current_line_start)
 		{
-			preedit_left += mDefaultFont->getWidth(text, current_line_start, preedit_left_position - current_line_start);
+			preedit_left += mFont->getWidth(text, current_line_start, preedit_left_position - current_line_start);
 		}
 
 		S32 preedit_right = mVisibleTextRect.mLeft;
 		if (preedit_right_position < current_line_end)
 		{
-			preedit_right += mDefaultFont->getWidth(text, current_line_start, preedit_right_position - current_line_start);
+			preedit_right += mFont->getWidth(text, current_line_start, preedit_right_position - current_line_start);
 		}
 		else
 		{
-			preedit_right += mDefaultFont->getWidth(text, current_line_start, current_line_end - current_line_start);
+			preedit_right += mFont->getWidth(text, current_line_start, current_line_end - current_line_start);
 		}
 
 		const S32 preedit_top = mVisibleTextRect.mTop - (current_line - first_visible_line) * line_height;
@@ -2843,7 +2943,7 @@ void LLTextEditor::markAsPreedit(S32 position, S32 length)
 
 S32 LLTextEditor::getPreeditFontSize() const
 {
-	return llround((F32)mDefaultFont->getLineHeight() * LLUI::sGLScaleFactor.mV[VY]);
+	return llround((F32)mFont->getLineHeight() * LLUI::getScaleFactor().mV[VY]);
 }
 
 BOOL LLTextEditor::isDirty() const
diff --git a/indra/llui/lltexteditor.h b/indra/llui/lltexteditor.h
index 40821ae9fb..32b543ec0e 100644..100755
--- a/indra/llui/lltexteditor.h
+++ b/indra/llui/lltexteditor.h
@@ -64,7 +64,9 @@ public:
 								ignore_tab,
 								show_line_numbers,
 								commit_on_focus_lost,
-								show_context_menu;
+								show_context_menu,
+								enable_tooltip_paste,
+								auto_indent;
 
 		//colors
 		Optional<LLUIColor>		default_color;
@@ -156,6 +158,11 @@ public:
 	BOOL			isPristine() const;
 	BOOL			allowsEmbeddedItems() const { return mAllowEmbeddedItems; }
 
+	// Autoreplace (formerly part of LLLineEditor)
+	typedef boost::function<void(S32&, S32&, LLWString&, S32&, const LLWString&)> autoreplace_callback_t;
+	autoreplace_callback_t mAutoreplaceCallback;
+	void			setAutoreplaceCallback(autoreplace_callback_t cb) { mAutoreplaceCallback = cb; }
+
 	//
 	// Text manipulation
 	//
@@ -202,6 +209,8 @@ public:
 	void			setShowContextMenu(bool show) { mShowContextMenu = show; }
 	bool			getShowContextMenu() const { return mShowContextMenu; }
 
+	void			setPassDelete(BOOL b) { mPassDelete = b; }
+
 protected:
 	void			showContextMenu(S32 x, S32 y);
 	void			drawPreeditMarker();
@@ -214,8 +223,8 @@ protected:
 	S32				indentLine( S32 pos, S32 spaces );
 	void			unindentLineBeforeCloseBrace();
 
+	virtual	BOOL	handleSpecialKey(const KEY key, const MASK mask);
 	BOOL			handleNavigationKey(const KEY key, const MASK mask);
-	BOOL			handleSpecialKey(const KEY key, const MASK mask);
 	BOOL			handleSelectionKey(const KEY key, const MASK mask);
 	BOOL			handleControlKey(const KEY key, const MASK mask);
 
@@ -239,13 +248,14 @@ protected:
 	// Undoable operations
 	void			addChar(llwchar c); // at mCursorPos
 	S32				addChar(S32 pos, llwchar wc);
-	void			addLineBreakChar();
+	void			addLineBreakChar(BOOL group_together = FALSE);
 	S32				overwriteChar(S32 pos, llwchar wc);
 	void			removeChar();
 	S32 			removeChar(S32 pos);
 	S32				insert(S32 pos, const LLWString &wstr, bool group_with_next_op, LLTextSegmentPtr segment);
 	S32				remove(S32 pos, S32 length, bool group_with_next_op);
 	
+	void			focusLostHelper();
 	void			updateAllowingLanguageInput();
 	BOOL			hasPreeditString() const;
 
@@ -279,6 +289,7 @@ protected:
 	LLUIColor			mDefaultColor;
 
 	BOOL				mShowLineNumbers;
+	bool				mAutoIndent;
 
 	/*virtual*/ void	updateSegments();
 	void				updateLinkSegments();
@@ -288,6 +299,8 @@ private:
 	// Methods
 	//
 	void	        pasteHelper(bool is_primary);
+	void			cleanStringForPaste(LLWString & clean_string);
+	void			pasteTextWithLinebreaks(LLWString & clean_string);
 
 	void			drawLineNumbers();
 
@@ -321,6 +334,8 @@ private:
 	BOOL			mAllowEmbeddedItems;
 	bool			mShowContextMenu;
 	bool			mParseOnTheFly;
+	bool			mEnableTooltipPaste;
+	bool			mPassDelete;
 
 	LLUUID			mSourceID;
 
diff --git a/indra/llui/lltextparser.cpp b/indra/llui/lltextparser.cpp
index 8a85f99e0c..8a85f99e0c 100644..100755
--- a/indra/llui/lltextparser.cpp
+++ b/indra/llui/lltextparser.cpp
diff --git a/indra/llui/lltextparser.h b/indra/llui/lltextparser.h
index 400aeeb8be..400aeeb8be 100644..100755
--- a/indra/llui/lltextparser.h
+++ b/indra/llui/lltextparser.h
diff --git a/indra/llui/lltextutil.cpp b/indra/llui/lltextutil.cpp
index 4df2c3363f..4df2c3363f 100644..100755
--- a/indra/llui/lltextutil.cpp
+++ b/indra/llui/lltextutil.cpp
diff --git a/indra/llui/lltextutil.h b/indra/llui/lltextutil.h
index bf7dbb58ce..bf7dbb58ce 100644..100755
--- a/indra/llui/lltextutil.h
+++ b/indra/llui/lltextutil.h
diff --git a/indra/llui/lltextvalidate.cpp b/indra/llui/lltextvalidate.cpp
index 234e600ccd..234e600ccd 100644..100755
--- a/indra/llui/lltextvalidate.cpp
+++ b/indra/llui/lltextvalidate.cpp
diff --git a/indra/llui/lltextvalidate.h b/indra/llui/lltextvalidate.h
index 5c830d7db3..5c830d7db3 100644..100755
--- a/indra/llui/lltextvalidate.h
+++ b/indra/llui/lltextvalidate.h
diff --git a/indra/llui/lltimectrl.cpp b/indra/llui/lltimectrl.cpp
index 9ea1e8815e..9ea1e8815e 100644..100755
--- a/indra/llui/lltimectrl.cpp
+++ b/indra/llui/lltimectrl.cpp
diff --git a/indra/llui/lltimectrl.h b/indra/llui/lltimectrl.h
index b5f268c76a..b5f268c76a 100644..100755
--- a/indra/llui/lltimectrl.h
+++ b/indra/llui/lltimectrl.h
diff --git a/indra/llui/lltoggleablemenu.cpp b/indra/llui/lltoggleablemenu.cpp
index e4d1a37569..00d52fe10d 100644..100755
--- a/indra/llui/lltoggleablemenu.cpp
+++ b/indra/llui/lltoggleablemenu.cpp
@@ -101,3 +101,8 @@ bool LLToggleableMenu::toggleVisibility()
 
 	return true;
 }
+
+bool LLToggleableMenu::addChild(LLView* view, S32 tab_group)
+{
+	return addContextChild(view, tab_group);
+}
diff --git a/indra/llui/lltoggleablemenu.h b/indra/llui/lltoggleablemenu.h
index 2094bd776f..dfe70cbf54 100644..100755
--- a/indra/llui/lltoggleablemenu.h
+++ b/indra/llui/lltoggleablemenu.h
@@ -47,6 +47,8 @@ public:
 
 	virtual void handleVisibilityChange (BOOL curVisibilityIn);
 
+	virtual bool addChild (LLView* view, S32 tab_group = 0);
+
 	const LLRect& getButtonRect() const { return mButtonRect; }
 
 	// Converts the given local button rect to a screen rect
@@ -58,6 +60,8 @@ public:
 	// its visibility off.
 	bool toggleVisibility();
 	
+	LLHandle<LLToggleableMenu> getHandle() { return getDerivedHandle<LLToggleableMenu>(); }
+
 protected:
 	bool mClosedByButtonClick;
 	LLRect mButtonRect;
diff --git a/indra/llui/lltoolbar.cpp b/indra/llui/lltoolbar.cpp
index 81ea0ebf0c..928e82cb8c 100644..100755
--- a/indra/llui/lltoolbar.cpp
+++ b/indra/llui/lltoolbar.cpp
@@ -117,7 +117,8 @@ LLToolBar::LLToolBar(const LLToolBar::Params& p)
 	mButtonEnterSignal(NULL),
 	mButtonLeaveSignal(NULL),
 	mButtonRemoveSignal(NULL),
-	mDragAndDropTarget(false)
+	mDragAndDropTarget(false),
+	mCaretIcon(NULL)
 {
 	mButtonParams[LLToolBarEnums::BTNTYPE_ICONS_WITH_TEXT] = p.button_icon_and_text;
 	mButtonParams[LLToolBarEnums::BTNTYPE_ICONS_ONLY] = p.button_icon;
@@ -380,7 +381,7 @@ bool LLToolBar::stopCommandInProgress(const LLCommandId& commandId)
 	return (command_button != NULL);
 }
 
-bool LLToolBar::flashCommand(const LLCommandId& commandId, bool flash)
+bool LLToolBar::flashCommand(const LLCommandId& commandId, bool flash, bool force_flashing/* = false */)
 {
 	LLButton * command_button = NULL;
 
@@ -390,7 +391,7 @@ bool LLToolBar::flashCommand(const LLCommandId& commandId, bool flash)
 		if (it != mButtonMap.end())
 		{
 			command_button = it->second;
-			command_button->setFlashing(flash ? TRUE : FALSE);
+			command_button->setFlashing((BOOL)(flash),(BOOL)(force_flashing));
 		}
 	}
 
@@ -652,7 +653,6 @@ void LLToolBar::updateLayoutAsNeeded()
 	S32 max_row_length = 0;
 
 	S32 max_length;
-	S32 max_total_girth;
 	S32 cur_start;
 	S32 cur_row ;
 	S32 row_pad_start;
@@ -663,7 +663,6 @@ void LLToolBar::updateLayoutAsNeeded()
 	if (orientation == LLLayoutStack::HORIZONTAL)
 	{
 		max_length = getRect().getWidth() - mPadLeft - mPadRight;
-		max_total_girth = getRect().getHeight() - mPadTop - mPadBottom;
 		row_pad_start = mPadLeft;
 		row_pad_end = mPadRight;
 		cur_row = mPadTop;
@@ -672,7 +671,6 @@ void LLToolBar::updateLayoutAsNeeded()
 	else // VERTICAL
 	{
 		max_length = getRect().getHeight() - mPadTop - mPadBottom;
-		max_total_girth = getRect().getWidth() - mPadLeft - mPadRight;
 		row_pad_start = mPadTop;
 		row_pad_end = mPadBottom;
 		cur_row = mPadLeft;
@@ -830,12 +828,16 @@ void LLToolBar::draw()
 	LLUI::translate((F32)getRect().mLeft, (F32)getRect().mBottom);
 
 	// Position the caret 
-	LLIconCtrl* caret = getChild<LLIconCtrl>("caret");
+	if (!mCaretIcon)
+	{
+		mCaretIcon = getChild<LLIconCtrl>("caret");
+	}
+
+	LLIconCtrl* caret = mCaretIcon;
 	caret->setVisible(FALSE);
 	if (mDragAndDropTarget && !mButtonCommands.empty())
 	{
 		LLRect caret_rect = caret->getRect();
-		LLRect toolbar_rect = getRect();
 		if (getOrientation(mSideType) == LLLayoutStack::HORIZONTAL)
 		{
 			caret->setRect(LLRect(mDragx-caret_rect.getWidth()/2+1,
@@ -866,8 +868,15 @@ void LLToolBar::reshape(S32 width, S32 height, BOOL called_from_parent)
 
 void LLToolBar::createButtons()
 {
+	std::set<LLUUID> set_flashing;
+
 	BOOST_FOREACH(LLToolBarButton* button, mButtons)
 	{
+        if (button->getFlashTimer() && button->getFlashTimer()->isFlashingInProgress())
+        {
+        	set_flashing.insert(button->getCommandId().uuid());
+        }
+
 		if (mButtonRemoveSignal)
 		{
 			(*mButtonRemoveSignal)(button);
@@ -890,6 +899,11 @@ void LLToolBar::createButtons()
 		{
 			(*mButtonAddSignal)(button);
 		}
+
+		if (set_flashing.find(button->getCommandId().uuid()) != set_flashing.end())
+		{
+			button->setFlashing(true);
+		}
 	}
 	mNeedsLayout = true;
 }
@@ -914,6 +928,7 @@ LLToolBarButton* LLToolBar::createButton(const LLCommandId& id)
 	button_p.label = LLTrans::getString(commandp->labelRef());
 	button_p.tool_tip = LLTrans::getString(commandp->tooltipRef());
 	button_p.image_overlay = LLUI::getUIImage(commandp->icon());
+	button_p.button_flash_enable = commandp->isFlashingAllowed();
 	button_p.overwriteFrom(mButtonParams[mButtonType]);
 	LLToolBarButton* button = LLUICtrlFactory::create<LLToolBarButton>(button_p);
 
@@ -1040,10 +1055,9 @@ BOOL LLToolBar::handleDragAndDrop(S32 x, S32 y, MASK mask, BOOL drop,
 	// Convert drag position into insert position and rank 
 	if (!isReadOnly() && handled && !drop)
 	{
-		LLInventoryItem* inv_item = (LLInventoryItem*)cargo_data;
-		LLAssetType::EType type = inv_item->getType();
-		if (type == LLAssetType::AT_WIDGET)
+		if (cargo_type == DAD_WIDGET)
 		{
+			LLInventoryItem* inv_item = (LLInventoryItem*)cargo_data;
 			LLCommandId dragged_command(inv_item->getUUID());
 			int orig_rank = getRankFromPosition(dragged_command);
 			mDragRank = getRankFromPosition(x, y);
diff --git a/indra/llui/lltoolbar.h b/indra/llui/lltoolbar.h
index a50c60282c..743951a41f 100644..100755
--- a/indra/llui/lltoolbar.h
+++ b/indra/llui/lltoolbar.h
@@ -37,6 +37,7 @@
 
 class LLToolBar;
 class LLToolBarButton;
+class LLIconCtrl;
 
 typedef boost::function<void (S32 x, S32 y, LLToolBarButton* button)> tool_startdrag_callback_t;
 typedef boost::function<BOOL (S32 x, S32 y, const LLUUID& uuid, LLAssetType::EType type)> tool_handledrag_callback_t;
@@ -191,7 +192,7 @@ public:
 	bool hasCommand(const LLCommandId& commandId) const;	// is this command bound to a button in this toolbar
 	bool enableCommand(const LLCommandId& commandId, bool enabled);	// enable/disable button bound to the specified command, if it exists in this toolbar
 	bool stopCommandInProgress(const LLCommandId& commandId);	// stop command if it is currently active
-	bool flashCommand(const LLCommandId& commandId, bool flash); // flash button associated with given command, if in this toolbar
+	bool flashCommand(const LLCommandId& commandId, bool flash, bool force_flashing = false); // flash button associated with given command, if in this toolbar
 
 	void setStartDragCallback(tool_startdrag_callback_t cb)   { mStartDragItemCallback  = cb; } // connects drag and drop behavior to external logic
 	void setHandleDragCallback(tool_handledrag_callback_t cb) { mHandleDragItemCallback = cb; }
@@ -284,6 +285,8 @@ private:
 	button_signal_t*				mButtonRemoveSignal;
 
 	std::string						mButtonTooltipSuffix;
+
+	LLIconCtrl*						mCaretIcon; 
 };
 
 
diff --git a/indra/llui/lltooltip.cpp b/indra/llui/lltooltip.cpp
index f737d48abf..f52a3b3323 100644..100755
--- a/indra/llui/lltooltip.cpp
+++ b/indra/llui/lltooltip.cpp
@@ -288,7 +288,7 @@ void LLToolTip::initFromParams(const LLToolTip::Params& p)
 		mTextBox->setText(p.message());
 	}
 
-	S32 text_width = llmin(p.max_width(), mTextBox->getTextPixelWidth());
+	S32 text_width = llmin(p.max_width(), mTextBox->getTextPixelWidth() + 1);
 	S32 text_height = mTextBox->getTextPixelHeight();
 	mTextBox->reshape(text_width, text_height);
 	if (mInfoButton)
@@ -390,6 +390,15 @@ bool LLToolTip::hasClickCallback()
 	return mHasClickCallback; 
 }
 
+void LLToolTip::getToolTipMessage(std::string & message)
+{
+	if (mTextBox)
+	{
+		message = mTextBox->getText();
+	}
+}
+
+
 
 //
 // LLToolTipMgr
@@ -594,5 +603,14 @@ void LLToolTipMgr::updateToolTipVisibility()
 }
 
 
+// Return the current tooltip text
+void LLToolTipMgr::getToolTipMessage(std::string & message)
+{
+	if (toolTipVisible())
+	{
+		mToolTip->getToolTipMessage(message);
+	}
+}
+
 
 // EOF
diff --git a/indra/llui/lltooltip.h b/indra/llui/lltooltip.h
index d71a944c3d..fad127fc4c 100644..100755
--- a/indra/llui/lltooltip.h
+++ b/indra/llui/lltooltip.h
@@ -105,6 +105,8 @@ public:
 	LLToolTip(const Params& p);
 	void initFromParams(const LLToolTip::Params& params);
 
+	void getToolTipMessage(std::string & message);
+
 private:
 	class LLTextBox*	mTextBox;
 	class LLButton*     mInfoButton;
@@ -142,6 +144,8 @@ public:
 	LLRect getMouseNearRect();
 	void updateToolTipVisibility();
 
+	void getToolTipMessage(std::string & message);
+
 private:
 	void createToolTip(const LLToolTip::Params& params);
 
diff --git a/indra/llui/lltrans.cpp b/indra/llui/lltrans.cpp
index 5388069c24..5388069c24 100644..100755
--- a/indra/llui/lltrans.cpp
+++ b/indra/llui/lltrans.cpp
diff --git a/indra/llui/lltrans.h b/indra/llui/lltrans.h
index 128b51d383..128b51d383 100644..100755
--- a/indra/llui/lltrans.h
+++ b/indra/llui/lltrans.h
diff --git a/indra/llui/lltransutil.cpp b/indra/llui/lltransutil.cpp
index 80d079cbc8..80d079cbc8 100644..100755
--- a/indra/llui/lltransutil.cpp
+++ b/indra/llui/lltransutil.cpp
diff --git a/indra/llui/lltransutil.h b/indra/llui/lltransutil.h
index 9c7cee3f6f..9c7cee3f6f 100644..100755
--- a/indra/llui/lltransutil.h
+++ b/indra/llui/lltransutil.h
diff --git a/indra/llui/llui.cpp b/indra/llui/llui.cpp
index 6d2bc1837c..0ddb149738 100644..100755
--- a/indra/llui/llui.cpp
+++ b/indra/llui/llui.cpp
@@ -39,6 +39,7 @@
 #include "llrect.h"
 #include "lldir.h"
 #include "llgl.h"
+#include "llsd.h"
 
 // Project includes
 #include "llcommandmanager.h"
@@ -69,15 +70,13 @@
 //
 // Globals
 //
-const LLColor4 UI_VERTEX_COLOR(1.f, 1.f, 1.f, 1.f);
 
 // Language for UI construction
 std::map<std::string, std::string> gTranslation;
 std::list<std::string> gUntranslated;
 /*static*/ LLUI::settings_map_t LLUI::sSettingGroups;
-/*static*/ LLImageProviderInterface* LLUI::sImageProvider = NULL;
 /*static*/ LLUIAudioCallback LLUI::sAudioCallback = NULL;
-/*static*/ LLVector2		LLUI::sGLScaleFactor(1.f, 1.f);
+/*static*/ LLUIAudioCallback LLUI::sDeferredAudioCallback = NULL;
 /*static*/ LLWindow*		LLUI::sWindow = NULL;
 /*static*/ LLView*			LLUI::sRootView = NULL;
 /*static*/ BOOL                         LLUI::sDirty = FALSE;
@@ -101,16 +100,18 @@ static LLDefaultChildRegistry::Register<LLToolBar> register_toolbar("toolbar");
 //
 // Functions
 //
-void make_ui_sound(const char* namep)
+
+LLUUID find_ui_sound(const char * namep)
 {
 	std::string name = ll_safe_string(namep);
+	LLUUID uuid = LLUUID(NULL);
 	if (!LLUI::sSettingGroups["config"]->controlExists(name))
 	{
 		llwarns << "tried to make UI sound for unknown sound name: " << name << llendl;	
 	}
 	else
 	{
-		LLUUID uuid(LLUI::sSettingGroups["config"]->getString(name));
+		uuid = LLUUID(LLUI::sSettingGroups["config"]->getString(name));
 		if (uuid.isNull())
 		{
 			if (LLUI::sSettingGroups["config"]->getString(name) == LLUUID::null.asString())
@@ -124,7 +125,6 @@ void make_ui_sound(const char* namep)
 			{
 				llwarns << "UI sound named: " << name << " does not translate to a valid uuid" << llendl;	
 			}
-
 		}
 		else if (LLUI::sAudioCallback != NULL)
 		{
@@ -132,1497 +132,38 @@ void make_ui_sound(const char* namep)
 			{
 				llinfos << "UI sound name: " << name << llendl;	
 			}
-			LLUI::sAudioCallback(uuid);
-		}
-	}
-}
-
-BOOL ui_point_in_rect(S32 x, S32 y, S32 left, S32 top, S32 right, S32 bottom)
-{
-	if (x < left || right < x) return FALSE;
-	if (y < bottom || top < y) return FALSE;
-	return TRUE;
-}
-
-
-// Puts GL into 2D drawing mode by turning off lighting, setting to an
-// orthographic projection, etc.
-void gl_state_for_2d(S32 width, S32 height)
-{
-	stop_glerror();
-	F32 window_width = (F32) width;//gViewerWindow->getWindowWidth();
-	F32 window_height = (F32) height;//gViewerWindow->getWindowHeight();
-
-	gGL.matrixMode(LLRender::MM_PROJECTION);
-	gGL.loadIdentity();
-	gGL.ortho(0.0f, llmax(window_width, 1.f), 0.0f, llmax(window_height,1.f), -1.0f, 1.0f);
-	gGL.matrixMode(LLRender::MM_MODELVIEW);
-	gGL.loadIdentity();
-	stop_glerror();
-}
-
-
-void gl_draw_x(const LLRect& rect, const LLColor4& color)
-{
-	gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
-
-	gGL.color4fv( color.mV );
-
-	gGL.begin( LLRender::LINES );
-		gGL.vertex2i( rect.mLeft,		rect.mTop );
-		gGL.vertex2i( rect.mRight,	rect.mBottom );
-		gGL.vertex2i( rect.mLeft,		rect.mBottom );
-		gGL.vertex2i( rect.mRight,	rect.mTop );
-	gGL.end();
-}
-
-
-void gl_rect_2d_offset_local( S32 left, S32 top, S32 right, S32 bottom, const LLColor4 &color, S32 pixel_offset, BOOL filled)
-{
-	gGL.color4fv(color.mV);
-	gl_rect_2d_offset_local(left, top, right, bottom, pixel_offset, filled);
-}
-
-void gl_rect_2d_offset_local( S32 left, S32 top, S32 right, S32 bottom, S32 pixel_offset, BOOL filled)
-{
-	gGL.pushUIMatrix();
-	left += LLFontGL::sCurOrigin.mX;
-	right += LLFontGL::sCurOrigin.mX;
-	bottom += LLFontGL::sCurOrigin.mY;
-	top += LLFontGL::sCurOrigin.mY;
-
-	gGL.loadUIIdentity();
-	gl_rect_2d(llfloor((F32)left * LLUI::sGLScaleFactor.mV[VX]) - pixel_offset,
-				llfloor((F32)top * LLUI::sGLScaleFactor.mV[VY]) + pixel_offset,
-				llfloor((F32)right * LLUI::sGLScaleFactor.mV[VX]) + pixel_offset,
-				llfloor((F32)bottom * LLUI::sGLScaleFactor.mV[VY]) - pixel_offset,
-				filled);
-	gGL.popUIMatrix();
-}
-
-
-void gl_rect_2d(S32 left, S32 top, S32 right, S32 bottom, BOOL filled )
-{
-	stop_glerror();
-	gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
-
-	// Counterclockwise quad will face the viewer
-	if( filled )
-	{ 
-		gGL.begin( LLRender::QUADS );
-			gGL.vertex2i(left, top);
-			gGL.vertex2i(left, bottom);
-			gGL.vertex2i(right, bottom);
-			gGL.vertex2i(right, top);
-		gGL.end();
-	}
-	else
-	{
-		if( gGLManager.mATIOffsetVerticalLines )
-		{
-			// Work around bug in ATI driver: vertical lines are offset by (-1,-1)
-			gGL.begin( LLRender::LINES );
-
-				// Verticals 
-				gGL.vertex2i(left + 1, top);
-				gGL.vertex2i(left + 1, bottom);
-
-				gGL.vertex2i(right, bottom);
-				gGL.vertex2i(right, top);
-
-				// Horizontals
-				top--;
-				right--;
-				gGL.vertex2i(left, bottom);
-				gGL.vertex2i(right, bottom);
-
-				gGL.vertex2i(left, top);
-				gGL.vertex2i(right, top);
-			gGL.end();
-		}
-		else
-		{
-			top--;
-			right--;
-			gGL.begin( LLRender::LINE_STRIP );
-				gGL.vertex2i(left, top);
-				gGL.vertex2i(left, bottom);
-				gGL.vertex2i(right, bottom);
-				gGL.vertex2i(right, top);
-				gGL.vertex2i(left, top);
-			gGL.end();
-		}
-	}
-	stop_glerror();
-}
-
-void gl_rect_2d(S32 left, S32 top, S32 right, S32 bottom, const LLColor4 &color, BOOL filled )
-{
-	gGL.color4fv( color.mV );
-	gl_rect_2d( left, top, right, bottom, filled );
-}
-
-
-void gl_rect_2d( const LLRect& rect, const LLColor4& color, BOOL filled )
-{
-	gGL.color4fv( color.mV );
-	gl_rect_2d( rect.mLeft, rect.mTop, rect.mRight, rect.mBottom, filled );
-}
-
-// Given a rectangle on the screen, draws a drop shadow _outside_
-// the right and bottom edges of it.  Along the right it has width "lines"
-// and along the bottom it has height "lines".
-void gl_drop_shadow(S32 left, S32 top, S32 right, S32 bottom, const LLColor4 &start_color, S32 lines)
-{
-	stop_glerror();
-	gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
-	
-	// HACK: Overlap with the rectangle by a single pixel.
-	right--;
-	bottom++;
-	lines++;
-
-	LLColor4 end_color = start_color;
-	end_color.mV[VALPHA] = 0.f;
-
-	gGL.begin(LLRender::QUADS);
-
-	// Right edge, CCW faces screen
-	gGL.color4fv(start_color.mV);
-	gGL.vertex2i(right,		top-lines);
-	gGL.vertex2i(right,		bottom);
-	gGL.color4fv(end_color.mV);
-	gGL.vertex2i(right+lines, bottom);
-	gGL.vertex2i(right+lines, top-lines);
-
-	// Bottom edge, CCW faces screen
-	gGL.color4fv(start_color.mV);
-	gGL.vertex2i(right,		bottom);
-	gGL.vertex2i(left+lines,	bottom);
-	gGL.color4fv(end_color.mV);
-	gGL.vertex2i(left+lines,	bottom-lines);
-	gGL.vertex2i(right,		bottom-lines);
-
-	// bottom left Corner
-	gGL.color4fv(start_color.mV);
-	gGL.vertex2i(left+lines,	bottom);
-	gGL.color4fv(end_color.mV);
-	gGL.vertex2i(left,		bottom);
-	// make the bottom left corner not sharp
-	gGL.vertex2i(left+1,		bottom-lines+1);
-	gGL.vertex2i(left+lines,	bottom-lines);
-
-	// bottom right corner
-	gGL.color4fv(start_color.mV);
-	gGL.vertex2i(right,		bottom);
-	gGL.color4fv(end_color.mV);
-	gGL.vertex2i(right,		bottom-lines);
-	// make the rightmost corner not sharp
-	gGL.vertex2i(right+lines-1,	bottom-lines+1);
-	gGL.vertex2i(right+lines,	bottom);
-
-	// top right corner
-	gGL.color4fv(start_color.mV);
-	gGL.vertex2i( right,			top-lines );
-	gGL.color4fv(end_color.mV);
-	gGL.vertex2i( right+lines,	top-lines );
-	// make the corner not sharp
-	gGL.vertex2i( right+lines-1,	top-1 );
-	gGL.vertex2i( right,			top );
-
-	gGL.end();
-	stop_glerror();
-}
-
-void gl_line_2d(S32 x1, S32 y1, S32 x2, S32 y2 )
-{
-	// Work around bug in ATI driver: vertical lines are offset by (-1,-1)
-	if( (x1 == x2) && gGLManager.mATIOffsetVerticalLines )
-	{
-		x1++;
-		x2++;
-		y1++;
-		y2++;
-	}
-
-	gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
-	
-	gGL.begin(LLRender::LINES);
-		gGL.vertex2i(x1, y1);
-		gGL.vertex2i(x2, y2);
-	gGL.end();
-}
-
-void gl_line_2d(S32 x1, S32 y1, S32 x2, S32 y2, const LLColor4 &color )
-{
-	// Work around bug in ATI driver: vertical lines are offset by (-1,-1)
-	if( (x1 == x2) && gGLManager.mATIOffsetVerticalLines )
-	{
-		x1++;
-		x2++;
-		y1++;
-		y2++;
-	}
-
-	gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
-
-	gGL.color4fv( color.mV );
-
-	gGL.begin(LLRender::LINES);
-		gGL.vertex2i(x1, y1);
-		gGL.vertex2i(x2, y2);
-	gGL.end();
-}
-
-void gl_triangle_2d(S32 x1, S32 y1, S32 x2, S32 y2, S32 x3, S32 y3, const LLColor4& color, BOOL filled)
-{
-	gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
-
-	gGL.color4fv(color.mV);
-
-	if (filled)
-	{
-		gGL.begin(LLRender::TRIANGLES);
-	}
-	else
-	{
-		gGL.begin(LLRender::LINE_LOOP);
-	}
-	gGL.vertex2i(x1, y1);
-	gGL.vertex2i(x2, y2);
-	gGL.vertex2i(x3, y3);
-	gGL.end();
-}
-
-void gl_corners_2d(S32 left, S32 top, S32 right, S32 bottom, S32 length, F32 max_frac)
-{
-	gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
-
-	length = llmin((S32)(max_frac*(right - left)), length);
-	length = llmin((S32)(max_frac*(top - bottom)), length);
-	gGL.begin(LLRender::LINES);
-	gGL.vertex2i(left, top);
-	gGL.vertex2i(left + length, top);
-	
-	gGL.vertex2i(left, top);
-	gGL.vertex2i(left, top - length);
-
-	gGL.vertex2i(left, bottom);
-	gGL.vertex2i(left + length, bottom);
-	
-	gGL.vertex2i(left, bottom);
-	gGL.vertex2i(left, bottom + length);
-
-	gGL.vertex2i(right, top);
-	gGL.vertex2i(right - length, top);
-
-	gGL.vertex2i(right, top);
-	gGL.vertex2i(right, top - length);
-
-	gGL.vertex2i(right, bottom);
-	gGL.vertex2i(right - length, bottom);
-
-	gGL.vertex2i(right, bottom);
-	gGL.vertex2i(right, bottom + length);
-	gGL.end();
-}
-
-
-void gl_draw_image( S32 x, S32 y, LLTexture* image, const LLColor4& color, const LLRectf& uv_rect )
-{
-	if (NULL == image)
-	{
-		llwarns << "image == NULL; aborting function" << llendl;
-		return;
-	}
-	gl_draw_scaled_rotated_image( x, y, image->getWidth(0), image->getHeight(0), 0.f, image, color, uv_rect );
-}
-
-void gl_draw_scaled_image(S32 x, S32 y, S32 width, S32 height, LLTexture* image, const LLColor4& color, const LLRectf& uv_rect)
-{
-	if (NULL == image)
-	{
-		llwarns << "image == NULL; aborting function" << llendl;
-		return;
-	}
-	gl_draw_scaled_rotated_image( x, y, width, height, 0.f, image, color, uv_rect );
-}
-
-void gl_draw_scaled_image_with_border(S32 x, S32 y, S32 border_width, S32 border_height, S32 width, S32 height, LLTexture* image, const LLColor4& color, BOOL solid_color, const LLRectf& uv_rect)
-{
-	if (NULL == image)
-	{
-		llwarns << "image == NULL; aborting function" << llendl;
-		return;
-	}
-
-	// scale screen size of borders down
-	F32 border_width_fraction = (F32)border_width / (F32)image->getWidth(0);
-	F32 border_height_fraction = (F32)border_height / (F32)image->getHeight(0);
-
-	LLRectf scale_rect(border_width_fraction, 1.f - border_height_fraction, 1.f - border_width_fraction, border_height_fraction);
-	gl_draw_scaled_image_with_border(x, y, width, height, image, color, solid_color, uv_rect, scale_rect);
-}
-
-void gl_draw_scaled_image_with_border(S32 x, S32 y, S32 width, S32 height, LLTexture* image, const LLColor4& color, BOOL solid_color, const LLRectf& uv_outer_rect, const LLRectf& center_rect)
-{
-	stop_glerror();
-
-	if (NULL == image)
-	{
-		llwarns << "image == NULL; aborting function" << llendl;
-		return;
-	}
-
-	// add in offset of current image to current UI translation
-	const LLVector3 ui_scale = gGL.getUIScale();
-	const LLVector3 ui_translation = (gGL.getUITranslation() + LLVector3(x, y, 0.f)).scaledVec(ui_scale);
-
-	F32 uv_width = uv_outer_rect.getWidth();
-	F32 uv_height = uv_outer_rect.getHeight();
-
-	// shrink scaling region to be proportional to clipped image region
-	LLRectf uv_center_rect(
-		uv_outer_rect.mLeft + (center_rect.mLeft * uv_width),
-		uv_outer_rect.mBottom + (center_rect.mTop * uv_height),
-		uv_outer_rect.mLeft + (center_rect.mRight * uv_width),
-		uv_outer_rect.mBottom + (center_rect.mBottom * uv_height));
-
-	F32 image_width = image->getWidth(0);
-	F32 image_height = image->getHeight(0);
-
-	S32 image_natural_width = llround(image_width * uv_width);
-	S32 image_natural_height = llround(image_height * uv_height);
-
-	LLRectf draw_center_rect(	uv_center_rect.mLeft * image_width,
-								uv_center_rect.mTop * image_height,
-								uv_center_rect.mRight * image_width,
-								uv_center_rect.mBottom * image_height);
-
-	{	// scale fixed region of image to drawn region
-		draw_center_rect.mRight += width - image_natural_width;
-		draw_center_rect.mTop += height - image_natural_height;
-
-		F32 border_shrink_width = llmax(0.f, draw_center_rect.mLeft - draw_center_rect.mRight);
-		F32 border_shrink_height = llmax(0.f, draw_center_rect.mBottom - draw_center_rect.mTop);
-
-		F32 shrink_width_ratio = center_rect.getWidth() == 1.f ? 0.f : border_shrink_width / ((F32)image_natural_width * (1.f - center_rect.getWidth()));
-		F32 shrink_height_ratio = center_rect.getHeight() == 1.f ? 0.f : border_shrink_height / ((F32)image_natural_height * (1.f - center_rect.getHeight()));
-
-		F32 shrink_scale = 1.f - llmax(shrink_width_ratio, shrink_height_ratio);
-
-		draw_center_rect.mLeft = llround(ui_translation.mV[VX] + (F32)draw_center_rect.mLeft * shrink_scale * ui_scale.mV[VX]);
-		draw_center_rect.mTop = llround(ui_translation.mV[VY] + lerp((F32)height, (F32)draw_center_rect.mTop, shrink_scale) * ui_scale.mV[VY]);
-		draw_center_rect.mRight = llround(ui_translation.mV[VX] + lerp((F32)width, (F32)draw_center_rect.mRight, shrink_scale) * ui_scale.mV[VX]);
-		draw_center_rect.mBottom = llround(ui_translation.mV[VY] + (F32)draw_center_rect.mBottom * shrink_scale * ui_scale.mV[VY]);
-	}
-
-	LLRectf draw_outer_rect(ui_translation.mV[VX], 
-							ui_translation.mV[VY] + height * ui_scale.mV[VY], 
-							ui_translation.mV[VX] + width * ui_scale.mV[VX], 
-							ui_translation.mV[VY]);
-
-	LLGLSUIDefault gls_ui;
-	
-	if (solid_color)
-	{
-		if (LLGLSLShader::sNoFixedFunction)
-		{
-			gSolidColorProgram.bind();
-		}
-		else
-		{
-			gGL.getTexUnit(0)->setTextureColorBlend(LLTexUnit::TBO_REPLACE, LLTexUnit::TBS_PREV_COLOR);
-			gGL.getTexUnit(0)->setTextureAlphaBlend(LLTexUnit::TBO_MULT, LLTexUnit::TBS_TEX_ALPHA, LLTexUnit::TBS_VERT_ALPHA);
-		}
-	}
-
-	gGL.getTexUnit(0)->bind(image, true);
-
-	gGL.color4fv(color.mV);
-	
-	const S32 NUM_VERTICES = 9 * 4; // 9 quads
-	LLVector2 uv[NUM_VERTICES];
-	LLVector3 pos[NUM_VERTICES];
-
-	S32 index = 0;
-
-	gGL.begin(LLRender::QUADS);
-	{
-		// draw bottom left
-		uv[index] = LLVector2(uv_outer_rect.mLeft, uv_outer_rect.mBottom);
-		pos[index] = LLVector3(draw_outer_rect.mLeft, draw_outer_rect.mBottom, 0.f);
-		index++;
-
-		uv[index] = LLVector2(uv_center_rect.mLeft, uv_outer_rect.mBottom);
-		pos[index] = LLVector3(draw_center_rect.mLeft, draw_outer_rect.mBottom, 0.f);
-		index++;
-
-		uv[index] = LLVector2(uv_center_rect.mLeft, uv_center_rect.mBottom);
-		pos[index] = LLVector3(draw_center_rect.mLeft, draw_center_rect.mBottom, 0.f);
-		index++;
-
-		uv[index] = LLVector2(uv_outer_rect.mLeft, uv_center_rect.mBottom);
-		pos[index] = LLVector3(draw_outer_rect.mLeft, draw_center_rect.mBottom, 0.f);
-		index++;
-
-		// draw bottom middle
-		uv[index] = LLVector2(uv_center_rect.mLeft, uv_outer_rect.mBottom);
-		pos[index] = LLVector3(draw_center_rect.mLeft, draw_outer_rect.mBottom, 0.f);
-		index++;
-
-		uv[index] = LLVector2(uv_center_rect.mRight, uv_outer_rect.mBottom);
-		pos[index] = LLVector3(draw_center_rect.mRight, draw_outer_rect.mBottom, 0.f);
-		index++;
-
-		uv[index] = LLVector2(uv_center_rect.mRight, uv_center_rect.mBottom);
-		pos[index] = LLVector3(draw_center_rect.mRight, draw_center_rect.mBottom, 0.f);
-		index++;
-
-		uv[index] = LLVector2(uv_center_rect.mLeft, uv_center_rect.mBottom);
-		pos[index] = LLVector3(draw_center_rect.mLeft, draw_center_rect.mBottom, 0.f);
-		index++;
-
-		// draw bottom right
-		uv[index] = LLVector2(uv_center_rect.mRight, uv_outer_rect.mBottom);
-		pos[index] = LLVector3(draw_center_rect.mRight, draw_outer_rect.mBottom, 0.f);
-		index++;
-
-		uv[index] = LLVector2(uv_outer_rect.mRight, uv_outer_rect.mBottom);
-		pos[index] = LLVector3(draw_outer_rect.mRight, draw_outer_rect.mBottom, 0.f);
-		index++;
-
-		uv[index] = LLVector2(uv_outer_rect.mRight, uv_center_rect.mBottom);
-		pos[index] = LLVector3(draw_outer_rect.mRight, draw_center_rect.mBottom, 0.f);
-		index++;
-
-		uv[index] = LLVector2(uv_center_rect.mRight, uv_center_rect.mBottom);
-		pos[index] = LLVector3(draw_center_rect.mRight, draw_center_rect.mBottom, 0.f);
-		index++;
-
-		// draw left 
-		uv[index] = LLVector2(uv_outer_rect.mLeft, uv_center_rect.mBottom);
-		pos[index] = LLVector3(draw_outer_rect.mLeft, draw_center_rect.mBottom, 0.f);
-		index++;
-
-		uv[index] = LLVector2(uv_center_rect.mLeft, uv_center_rect.mBottom);
-		pos[index] = LLVector3(draw_center_rect.mLeft, draw_center_rect.mBottom, 0.f);
-		index++;
-
-		uv[index] = LLVector2(uv_center_rect.mLeft, uv_center_rect.mTop);
-		pos[index] = LLVector3(draw_center_rect.mLeft, draw_center_rect.mTop, 0.f);
-		index++;
-
-		uv[index] = LLVector2(uv_outer_rect.mLeft, uv_center_rect.mTop);
-		pos[index] = LLVector3(draw_outer_rect.mLeft, draw_center_rect.mTop, 0.f);
-		index++;
-
-		// draw middle
-		uv[index] = LLVector2(uv_center_rect.mLeft, uv_center_rect.mBottom);
-		pos[index] = LLVector3(draw_center_rect.mLeft, draw_center_rect.mBottom, 0.f);
-		index++;
-
-		uv[index] = LLVector2(uv_center_rect.mRight, uv_center_rect.mBottom);
-		pos[index] = LLVector3(draw_center_rect.mRight, draw_center_rect.mBottom, 0.f);
-		index++;
-
-		uv[index] = LLVector2(uv_center_rect.mRight, uv_center_rect.mTop);
-		pos[index] = LLVector3(draw_center_rect.mRight, draw_center_rect.mTop, 0.f);
-		index++;
-
-		uv[index] = LLVector2(uv_center_rect.mLeft, uv_center_rect.mTop);
-		pos[index] = LLVector3(draw_center_rect.mLeft, draw_center_rect.mTop, 0.f);
-		index++;
-
-		// draw right 
-		uv[index] = LLVector2(uv_center_rect.mRight, uv_center_rect.mBottom);
-		pos[index] = LLVector3(draw_center_rect.mRight, draw_center_rect.mBottom, 0.f);
-		index++;
-
-		uv[index] = LLVector2(uv_outer_rect.mRight, uv_center_rect.mBottom);
-		pos[index] = LLVector3(draw_outer_rect.mRight, draw_center_rect.mBottom, 0.f);
-		index++;
-
-		uv[index] = LLVector2(uv_outer_rect.mRight, uv_center_rect.mTop);
-		pos[index] = LLVector3(draw_outer_rect.mRight, draw_center_rect.mTop, 0.f);
-		index++;
-
-		uv[index] = LLVector2(uv_center_rect.mRight, uv_center_rect.mTop);
-		pos[index] = LLVector3(draw_center_rect.mRight, draw_center_rect.mTop, 0.f);
-		index++;
-
-		// draw top left
-		uv[index] = LLVector2(uv_outer_rect.mLeft, uv_center_rect.mTop);
-		pos[index] = LLVector3(draw_outer_rect.mLeft, draw_center_rect.mTop, 0.f);
-		index++;
-
-		uv[index] = LLVector2(uv_center_rect.mLeft, uv_center_rect.mTop);
-		pos[index] = LLVector3(draw_center_rect.mLeft, draw_center_rect.mTop, 0.f);
-		index++;
-
-		uv[index] = LLVector2(uv_center_rect.mLeft, uv_outer_rect.mTop);
-		pos[index] = LLVector3(draw_center_rect.mLeft, draw_outer_rect.mTop, 0.f);
-		index++;
-
-		uv[index] = LLVector2(uv_outer_rect.mLeft, uv_outer_rect.mTop);
-		pos[index] = LLVector3(draw_outer_rect.mLeft, draw_outer_rect.mTop, 0.f);
-		index++;
-
-		// draw top middle
-		uv[index] = LLVector2(uv_center_rect.mLeft, uv_center_rect.mTop);
-		pos[index] = LLVector3(draw_center_rect.mLeft, draw_center_rect.mTop, 0.f);
-		index++;
-
-		uv[index] = LLVector2(uv_center_rect.mRight, uv_center_rect.mTop);
-		pos[index] = LLVector3(draw_center_rect.mRight, draw_center_rect.mTop, 0.f);
-		index++;
-
-		uv[index] = LLVector2(uv_center_rect.mRight, uv_outer_rect.mTop);
-		pos[index] = LLVector3(draw_center_rect.mRight, draw_outer_rect.mTop, 0.f);
-		index++;
-
-		uv[index] = LLVector2(uv_center_rect.mLeft, uv_outer_rect.mTop);
-		pos[index] = LLVector3(draw_center_rect.mLeft, draw_outer_rect.mTop, 0.f);
-		index++;
-
-		// draw top right
-		uv[index] = LLVector2(uv_center_rect.mRight, uv_center_rect.mTop);
-		pos[index] = LLVector3(draw_center_rect.mRight, draw_center_rect.mTop, 0.f);
-		index++;
-
-		uv[index] = LLVector2(uv_outer_rect.mRight, uv_center_rect.mTop);
-		pos[index] = LLVector3(draw_outer_rect.mRight, draw_center_rect.mTop, 0.f);
-		index++;
-
-		uv[index] = LLVector2(uv_outer_rect.mRight, uv_outer_rect.mTop);
-		pos[index] = LLVector3(draw_outer_rect.mRight, draw_outer_rect.mTop, 0.f);
-		index++;
-
-		uv[index] = LLVector2(uv_center_rect.mRight, uv_outer_rect.mTop);
-		pos[index] = LLVector3(draw_center_rect.mRight, draw_outer_rect.mTop, 0.f);
-		index++;
-
-		gGL.vertexBatchPreTransformed(pos, uv, NUM_VERTICES);
-	}
-	gGL.end();
-
-	if (solid_color)
-	{
-		if (LLGLSLShader::sNoFixedFunction)
-		{
-			gUIProgram.bind();
-		}
-		else
-		{
-			gGL.getTexUnit(0)->setTextureBlendType(LLTexUnit::TB_MULT);
-		}
-	}
-}
-
-void gl_draw_rotated_image(S32 x, S32 y, F32 degrees, LLTexture* image, const LLColor4& color, const LLRectf& uv_rect)
-{
-	gl_draw_scaled_rotated_image( x, y, image->getWidth(0), image->getHeight(0), degrees, image, color, uv_rect );
-}
-
-void gl_draw_scaled_rotated_image(S32 x, S32 y, S32 width, S32 height, F32 degrees, LLTexture* image, const LLColor4& color, const LLRectf& uv_rect)
-{
-	if (NULL == image)
-	{
-		llwarns << "image == NULL; aborting function" << llendl;
-		return;
-	}
-
-	LLGLSUIDefault gls_ui;
-
-
-	gGL.getTexUnit(0)->bind(image, true);
-
-	gGL.color4fv(color.mV);
-
-	if (degrees == 0.f)
-	{
-		const S32 NUM_VERTICES = 4; // 9 quads
-		LLVector2 uv[NUM_VERTICES];
-		LLVector3 pos[NUM_VERTICES];
-
-		gGL.begin(LLRender::QUADS);
-		{
-			LLVector3 ui_scale = gGL.getUIScale();
-			LLVector3 ui_translation = gGL.getUITranslation();
-			ui_translation.mV[VX] += x;
-			ui_translation.mV[VY] += y;
-			ui_translation.scaleVec(ui_scale);
-			S32 index = 0;
-			S32 scaled_width = llround(width * ui_scale.mV[VX]);
-			S32 scaled_height = llround(height * ui_scale.mV[VY]);
-
-			uv[index] = LLVector2(uv_rect.mRight, uv_rect.mTop);
-			pos[index] = LLVector3(ui_translation.mV[VX] + scaled_width, ui_translation.mV[VY] + scaled_height, 0.f);
-			index++;
-
-			uv[index] = LLVector2(uv_rect.mLeft, uv_rect.mTop);
-			pos[index] = LLVector3(ui_translation.mV[VX], ui_translation.mV[VY] + scaled_height, 0.f);
-			index++;
-
-			uv[index] = LLVector2(uv_rect.mLeft, uv_rect.mBottom);
-			pos[index] = LLVector3(ui_translation.mV[VX], ui_translation.mV[VY], 0.f);
-			index++;
-
-			uv[index] = LLVector2(uv_rect.mRight, uv_rect.mBottom);
-			pos[index] = LLVector3(ui_translation.mV[VX] + scaled_width, ui_translation.mV[VY], 0.f);
-			index++;
-
-			gGL.vertexBatchPreTransformed(pos, uv, NUM_VERTICES);
-		}
-		gGL.end();
-	}
-	else
-	{
-		gGL.pushUIMatrix();
-		gGL.translateUI((F32)x, (F32)y, 0.f);
-	
-		F32 offset_x = F32(width/2);
-		F32 offset_y = F32(height/2);
-
-		gGL.translateUI(offset_x, offset_y, 0.f);
-
-		LLMatrix3 quat(0.f, 0.f, degrees*DEG_TO_RAD);
-		
-		gGL.getTexUnit(0)->bind(image, true);
-
-		gGL.color4fv(color.mV);
-		
-		gGL.begin(LLRender::QUADS);
-		{
-			LLVector3 v;
-
-			v = LLVector3(offset_x, offset_y, 0.f) * quat;
-			gGL.texCoord2f(uv_rect.mRight, uv_rect.mTop);
-			gGL.vertex2f(v.mV[0], v.mV[1] );
-
-			v = LLVector3(-offset_x, offset_y, 0.f) * quat;
-			gGL.texCoord2f(uv_rect.mLeft, uv_rect.mTop);
-			gGL.vertex2f(v.mV[0], v.mV[1] );
-
-			v = LLVector3(-offset_x, -offset_y, 0.f) * quat;
-			gGL.texCoord2f(uv_rect.mLeft, uv_rect.mBottom);
-			gGL.vertex2f(v.mV[0], v.mV[1] );
-
-			v = LLVector3(offset_x, -offset_y, 0.f) * quat;
-			gGL.texCoord2f(uv_rect.mRight, uv_rect.mBottom);
-			gGL.vertex2f(v.mV[0], v.mV[1] );
-		}
-		gGL.end();
-		gGL.popUIMatrix();
-	}
-}
-
-
-void gl_stippled_line_3d( const LLVector3& start, const LLVector3& end, const LLColor4& color, F32 phase )
-{
-	phase = fmod(phase, 1.f);
-
-	S32 shift = S32(phase * 4.f) % 4;
-
-	// Stippled line
-	LLGLEnable stipple(GL_LINE_STIPPLE);
-	
-	gGL.color4f(color.mV[VRED], color.mV[VGREEN], color.mV[VBLUE], color.mV[VALPHA]);
-
-	gGL.flush();
-	glLineWidth(2.5f);
-
-	if (!LLGLSLShader::sNoFixedFunction)
-	{
-		glLineStipple(2, 0x3333 << shift);
-	}
-
-	gGL.begin(LLRender::LINES);
-	{
-		gGL.vertex3fv( start.mV );
-		gGL.vertex3fv( end.mV );
-	}
-	gGL.end();
-
-	LLUI::setLineWidth(1.f);
-}
-
-void gl_arc_2d(F32 center_x, F32 center_y, F32 radius, S32 steps, BOOL filled, F32 start_angle, F32 end_angle)
-{
-	if (end_angle < start_angle)
-	{
-		end_angle += F_TWO_PI;
-	}
-
-	gGL.pushUIMatrix();
-	{
-		gGL.translateUI(center_x, center_y, 0.f);
-
-		// Inexact, but reasonably fast.
-		F32 delta = (end_angle - start_angle) / steps;
-		F32 sin_delta = sin( delta );
-		F32 cos_delta = cos( delta );
-		F32 x = cosf(start_angle) * radius;
-		F32 y = sinf(start_angle) * radius;
-
-		if (filled)
-		{
-			gGL.begin(LLRender::TRIANGLE_FAN);
-			gGL.vertex2f(0.f, 0.f);
-			// make sure circle is complete
-			steps += 1;
-		}
-		else
-		{
-			gGL.begin(LLRender::LINE_STRIP);
-		}
-
-		while( steps-- )
-		{
-			// Successive rotations
-			gGL.vertex2f( x, y );
-			F32 x_new = x * cos_delta - y * sin_delta;
-			y = x * sin_delta +  y * cos_delta;
-			x = x_new;
-		}
-		gGL.end();
-	}
-	gGL.popUIMatrix();
-}
-
-void gl_circle_2d(F32 center_x, F32 center_y, F32 radius, S32 steps, BOOL filled)
-{
-	gGL.pushUIMatrix();
-	{
-		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
-		gGL.translateUI(center_x, center_y, 0.f);
-
-		// Inexact, but reasonably fast.
-		F32 delta = F_TWO_PI / steps;
-		F32 sin_delta = sin( delta );
-		F32 cos_delta = cos( delta );
-		F32 x = radius;
-		F32 y = 0.f;
-
-		if (filled)
-		{
-			gGL.begin(LLRender::TRIANGLE_FAN);
-			gGL.vertex2f(0.f, 0.f);
-			// make sure circle is complete
-			steps += 1;
-		}
-		else
-		{
-			gGL.begin(LLRender::LINE_LOOP);
-		}
-
-		while( steps-- )
-		{
-			// Successive rotations
-			gGL.vertex2f( x, y );
-			F32 x_new = x * cos_delta - y * sin_delta;
-			y = x * sin_delta +  y * cos_delta;
-			x = x_new;
-		}
-		gGL.end();
-	}
-	gGL.popUIMatrix();
-}
-
-// Renders a ring with sides (tube shape)
-void gl_deep_circle( F32 radius, F32 depth, S32 steps )
-{
-	F32 x = radius;
-	F32 y = 0.f;
-	F32 angle_delta = F_TWO_PI / (F32)steps;
-	gGL.begin( LLRender::TRIANGLE_STRIP  );
-	{
-		S32 step = steps + 1; // An extra step to close the circle.
-		while( step-- )
-		{
-			gGL.vertex3f( x, y, depth );
-			gGL.vertex3f( x, y, 0.f );
-
-			F32 x_new = x * cosf(angle_delta) - y * sinf(angle_delta);
-			y = x * sinf(angle_delta) +  y * cosf(angle_delta);
-			x = x_new;
-		}
-	}
-	gGL.end();
-}
-
-void gl_ring( F32 radius, F32 width, const LLColor4& center_color, const LLColor4& side_color, S32 steps, BOOL render_center )
-{
-	gGL.pushUIMatrix();
-	{
-		gGL.translateUI(0.f, 0.f, -width / 2);
-		if( render_center )
-		{
-			gGL.color4fv(center_color.mV);
-			gGL.diffuseColor4fv(center_color.mV);
-			gl_deep_circle( radius, width, steps );
-		}
-		else
-		{
-			gGL.diffuseColor4fv(side_color.mV);
-			gl_washer_2d(radius, radius - width, steps, side_color, side_color);
-			gGL.translateUI(0.f, 0.f, width);
-			gl_washer_2d(radius - width, radius, steps, side_color, side_color);
-		}
-	}
-	gGL.popUIMatrix();
-}
-
-// Draw gray and white checkerboard with black border
-void gl_rect_2d_checkerboard(const LLRect& rect, GLfloat alpha)
-{
-	if (!LLGLSLShader::sNoFixedFunction)
-	{ 
-		// Initialize the first time this is called.
-		const S32 PIXELS = 32;
-		static GLubyte checkerboard[PIXELS * PIXELS];
-		static BOOL first = TRUE;
-		if( first )
-		{
-			for( S32 i = 0; i < PIXELS; i++ )
-			{
-				for( S32 j = 0; j < PIXELS; j++ )
-				{
-					checkerboard[i * PIXELS + j] = ((i & 1) ^ (j & 1)) * 0xFF;
-				}
-			}
-			first = FALSE;
 		}
-	
-		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
-
-		// ...white squares
-		gGL.color4f( 1.f, 1.f, 1.f, alpha );
-		gl_rect_2d(rect);
-
-		// ...gray squares
-		gGL.color4f( .7f, .7f, .7f, alpha );
-		gGL.flush();
-
-		glPolygonStipple( checkerboard );
-
-		LLGLEnable polygon_stipple(GL_POLYGON_STIPPLE);
-		gl_rect_2d(rect);
 	}
-	else
-	{ //polygon stipple is deprecated, use "Checker" texture
-		LLPointer<LLUIImage> img = LLUI::getUIImage("Checker");
-		gGL.getTexUnit(0)->bind(img->getImage());
-		gGL.getTexUnit(0)->setTextureAddressMode(LLTexUnit::TAM_WRAP);
-		gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
-
-		LLColor4 color(1.f, 1.f, 1.f, alpha);
-		LLRectf uv_rect(0, 0, rect.getWidth()/32.f, rect.getHeight()/32.f);
 
-		gl_draw_scaled_image(rect.mLeft, rect.mBottom, rect.getWidth(), rect.getHeight(),
-			img->getImage(), color, uv_rect);
-	}
-	
-	gGL.flush();
+	return uuid;
 }
 
-
-// Draws the area between two concentric circles, like
-// a doughnut or washer.
-void gl_washer_2d(F32 outer_radius, F32 inner_radius, S32 steps, const LLColor4& inner_color, const LLColor4& outer_color)
+void make_ui_sound(const char* namep)
 {
-	const F32 DELTA = F_TWO_PI / steps;
-	const F32 SIN_DELTA = sin( DELTA );
-	const F32 COS_DELTA = cos( DELTA );
-
-	F32 x1 = outer_radius;
-	F32 y1 = 0.f;
-	F32 x2 = inner_radius;
-	F32 y2 = 0.f;
-
-	gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
-
-	gGL.begin( LLRender::TRIANGLE_STRIP  );
+	LLUUID soundUUID = find_ui_sound(namep);
+	if(soundUUID.notNull())
 	{
-		steps += 1; // An extra step to close the circle.
-		while( steps-- )
-		{
-			gGL.color4fv(outer_color.mV);
-			gGL.vertex2f( x1, y1 );
-			gGL.color4fv(inner_color.mV);
-			gGL.vertex2f( x2, y2 );
-
-			F32 x1_new = x1 * COS_DELTA - y1 * SIN_DELTA;
-			y1 = x1 * SIN_DELTA +  y1 * COS_DELTA;
-			x1 = x1_new;
-
-			F32 x2_new = x2 * COS_DELTA - y2 * SIN_DELTA;
-			y2 = x2 * SIN_DELTA +  y2 * COS_DELTA;
-			x2 = x2_new;
-		}
+		LLUI::sAudioCallback(soundUUID);
 	}
-	gGL.end();
 }
 
-// Draws the area between two concentric circles, like
-// a doughnut or washer.
-void gl_washer_segment_2d(F32 outer_radius, F32 inner_radius, F32 start_radians, F32 end_radians, S32 steps, const LLColor4& inner_color, const LLColor4& outer_color)
+void make_ui_sound_deferred(const char* namep)
 {
-	const F32 DELTA = (end_radians - start_radians) / steps;
-	const F32 SIN_DELTA = sin( DELTA );
-	const F32 COS_DELTA = cos( DELTA );
-
-	F32 x1 = outer_radius * cos( start_radians );
-	F32 y1 = outer_radius * sin( start_radians );
-	F32 x2 = inner_radius * cos( start_radians );
-	F32 y2 = inner_radius * sin( start_radians );
-
-	gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
-	gGL.begin( LLRender::TRIANGLE_STRIP  );
+	LLUUID soundUUID = find_ui_sound(namep);
+	if(soundUUID.notNull())
 	{
-		steps += 1; // An extra step to close the circle.
-		while( steps-- )
-		{
-			gGL.color4fv(outer_color.mV);
-			gGL.vertex2f( x1, y1 );
-			gGL.color4fv(inner_color.mV);
-			gGL.vertex2f( x2, y2 );
-
-			F32 x1_new = x1 * COS_DELTA - y1 * SIN_DELTA;
-			y1 = x1 * SIN_DELTA +  y1 * COS_DELTA;
-			x1 = x1_new;
-
-			F32 x2_new = x2 * COS_DELTA - y2 * SIN_DELTA;
-			y2 = x2 * SIN_DELTA +  y2 * COS_DELTA;
-			x2 = x2_new;
-		}
+		LLUI::sDeferredAudioCallback(soundUUID);
 	}
-	gGL.end();
-}
-
-void gl_rect_2d_simple_tex( S32 width, S32 height )
-{
-	gGL.begin( LLRender::QUADS );
-
-		gGL.texCoord2f(1.f, 1.f);
-		gGL.vertex2i(width, height);
-
-		gGL.texCoord2f(0.f, 1.f);
-		gGL.vertex2i(0, height);
-
-		gGL.texCoord2f(0.f, 0.f);
-		gGL.vertex2i(0, 0);
-
-		gGL.texCoord2f(1.f, 0.f);
-		gGL.vertex2i(width, 0);
-	
-	gGL.end();
-}
-
-void gl_rect_2d_simple( S32 width, S32 height )
-{
-	gGL.begin( LLRender::QUADS );
-		gGL.vertex2i(width, height);
-		gGL.vertex2i(0, height);
-		gGL.vertex2i(0, 0);
-		gGL.vertex2i(width, 0);
-	gGL.end();
-}
-
-void gl_segmented_rect_2d_tex(const S32 left, 
-							  const S32 top, 
-							  const S32 right, 
-							  const S32 bottom, 
-							  const S32 texture_width, 
-							  const S32 texture_height, 
-							  const S32 border_size, 
-							  const U32 edges)
-{
-	S32 width = llabs(right - left);
-	S32 height = llabs(top - bottom);
-
-	gGL.pushUIMatrix();
-
-	gGL.translateUI((F32)left, (F32)bottom, 0.f);
-	LLVector2 border_uv_scale((F32)border_size / (F32)texture_width, (F32)border_size / (F32)texture_height);
-
-	if (border_uv_scale.mV[VX] > 0.5f)
-	{
-		border_uv_scale *= 0.5f / border_uv_scale.mV[VX];
-	}
-	if (border_uv_scale.mV[VY] > 0.5f)
-	{
-		border_uv_scale *= 0.5f / border_uv_scale.mV[VY];
-	}
-
-	F32 border_scale = llmin((F32)border_size, (F32)width * 0.5f, (F32)height * 0.5f);
-	LLVector2 border_width_left = ((edges & (~(U32)ROUNDED_RECT_RIGHT)) != 0) ? LLVector2(border_scale, 0.f) : LLVector2::zero;
-	LLVector2 border_width_right = ((edges & (~(U32)ROUNDED_RECT_LEFT)) != 0) ? LLVector2(border_scale, 0.f) : LLVector2::zero;
-	LLVector2 border_height_bottom = ((edges & (~(U32)ROUNDED_RECT_TOP)) != 0) ? LLVector2(0.f, border_scale) : LLVector2::zero;
-	LLVector2 border_height_top = ((edges & (~(U32)ROUNDED_RECT_BOTTOM)) != 0) ? LLVector2(0.f, border_scale) : LLVector2::zero;
-	LLVector2 width_vec((F32)width, 0.f);
-	LLVector2 height_vec(0.f, (F32)height);
-
-	gGL.begin(LLRender::QUADS);
-	{
-		// draw bottom left
-		gGL.texCoord2f(0.f, 0.f);
-		gGL.vertex2f(0.f, 0.f);
-
-		gGL.texCoord2f(border_uv_scale.mV[VX], 0.f);
-		gGL.vertex2fv(border_width_left.mV);
-
-		gGL.texCoord2f(border_uv_scale.mV[VX], border_uv_scale.mV[VY]);
-		gGL.vertex2fv((border_width_left + border_height_bottom).mV);
-
-		gGL.texCoord2f(0.f, border_uv_scale.mV[VY]);
-		gGL.vertex2fv(border_height_bottom.mV);
-
-		// draw bottom middle
-		gGL.texCoord2f(border_uv_scale.mV[VX], 0.f);
-		gGL.vertex2fv(border_width_left.mV);
-
-		gGL.texCoord2f(1.f - border_uv_scale.mV[VX], 0.f);
-		gGL.vertex2fv((width_vec - border_width_right).mV);
-
-		gGL.texCoord2f(1.f - border_uv_scale.mV[VX], border_uv_scale.mV[VY]);
-		gGL.vertex2fv((width_vec - border_width_right + border_height_bottom).mV);
-
-		gGL.texCoord2f(border_uv_scale.mV[VX], border_uv_scale.mV[VY]);
-		gGL.vertex2fv((border_width_left + border_height_bottom).mV);
-
-		// draw bottom right
-		gGL.texCoord2f(1.f - border_uv_scale.mV[VX], 0.f);
-		gGL.vertex2fv((width_vec - border_width_right).mV);
-
-		gGL.texCoord2f(1.f, 0.f);
-		gGL.vertex2fv(width_vec.mV);
-
-		gGL.texCoord2f(1.f, border_uv_scale.mV[VY]);
-		gGL.vertex2fv((width_vec + border_height_bottom).mV);
-
-		gGL.texCoord2f(1.f - border_uv_scale.mV[VX], border_uv_scale.mV[VY]);
-		gGL.vertex2fv((width_vec - border_width_right + border_height_bottom).mV);
-
-		// draw left 
-		gGL.texCoord2f(0.f, border_uv_scale.mV[VY]);
-		gGL.vertex2fv(border_height_bottom.mV);
-
-		gGL.texCoord2f(border_uv_scale.mV[VX], border_uv_scale.mV[VY]);
-		gGL.vertex2fv((border_width_left + border_height_bottom).mV);
-
-		gGL.texCoord2f(border_uv_scale.mV[VX], 1.f - border_uv_scale.mV[VY]);
-		gGL.vertex2fv((border_width_left + height_vec - border_height_top).mV);
-
-		gGL.texCoord2f(0.f, 1.f - border_uv_scale.mV[VY]);
-		gGL.vertex2fv((height_vec - border_height_top).mV);
-
-		// draw middle
-		gGL.texCoord2f(border_uv_scale.mV[VX], border_uv_scale.mV[VY]);
-		gGL.vertex2fv((border_width_left + border_height_bottom).mV);
-
-		gGL.texCoord2f(1.f - border_uv_scale.mV[VX], border_uv_scale.mV[VY]);
-		gGL.vertex2fv((width_vec - border_width_right + border_height_bottom).mV);
-
-		gGL.texCoord2f(1.f - border_uv_scale.mV[VX], 1.f - border_uv_scale.mV[VY]);
-		gGL.vertex2fv((width_vec - border_width_right + height_vec - border_height_top).mV);
-
-		gGL.texCoord2f(border_uv_scale.mV[VX], 1.f - border_uv_scale.mV[VY]);
-		gGL.vertex2fv((border_width_left + height_vec - border_height_top).mV);
-
-		// draw right 
-		gGL.texCoord2f(1.f - border_uv_scale.mV[VX], border_uv_scale.mV[VY]);
-		gGL.vertex2fv((width_vec - border_width_right + border_height_bottom).mV);
-
-		gGL.texCoord2f(1.f, border_uv_scale.mV[VY]);
-		gGL.vertex2fv((width_vec + border_height_bottom).mV);
-
-		gGL.texCoord2f(1.f, 1.f - border_uv_scale.mV[VY]);
-		gGL.vertex2fv((width_vec + height_vec - border_height_top).mV);
-
-		gGL.texCoord2f(1.f - border_uv_scale.mV[VX], 1.f - border_uv_scale.mV[VY]);
-		gGL.vertex2fv((width_vec - border_width_right + height_vec - border_height_top).mV);
-
-		// draw top left
-		gGL.texCoord2f(0.f, 1.f - border_uv_scale.mV[VY]);
-		gGL.vertex2fv((height_vec - border_height_top).mV);
-
-		gGL.texCoord2f(border_uv_scale.mV[VX], 1.f - border_uv_scale.mV[VY]);
-		gGL.vertex2fv((border_width_left + height_vec - border_height_top).mV);
-
-		gGL.texCoord2f(border_uv_scale.mV[VX], 1.f);
-		gGL.vertex2fv((border_width_left + height_vec).mV);
-
-		gGL.texCoord2f(0.f, 1.f);
-		gGL.vertex2fv((height_vec).mV);
-
-		// draw top middle
-		gGL.texCoord2f(border_uv_scale.mV[VX], 1.f - border_uv_scale.mV[VY]);
-		gGL.vertex2fv((border_width_left + height_vec - border_height_top).mV);
-
-		gGL.texCoord2f(1.f - border_uv_scale.mV[VX], 1.f - border_uv_scale.mV[VY]);
-		gGL.vertex2fv((width_vec - border_width_right + height_vec - border_height_top).mV);
-
-		gGL.texCoord2f(1.f - border_uv_scale.mV[VX], 1.f);
-		gGL.vertex2fv((width_vec - border_width_right + height_vec).mV);
-
-		gGL.texCoord2f(border_uv_scale.mV[VX], 1.f);
-		gGL.vertex2fv((border_width_left + height_vec).mV);
-
-		// draw top right
-		gGL.texCoord2f(1.f - border_uv_scale.mV[VX], 1.f - border_uv_scale.mV[VY]);
-		gGL.vertex2fv((width_vec - border_width_right + height_vec - border_height_top).mV);
-
-		gGL.texCoord2f(1.f, 1.f - border_uv_scale.mV[VY]);
-		gGL.vertex2fv((width_vec + height_vec - border_height_top).mV);
-
-		gGL.texCoord2f(1.f, 1.f);
-		gGL.vertex2fv((width_vec + height_vec).mV);
-
-		gGL.texCoord2f(1.f - border_uv_scale.mV[VX], 1.f);
-		gGL.vertex2fv((width_vec - border_width_right + height_vec).mV);
-	}
-	gGL.end();
-
-	gGL.popUIMatrix();
-}
-
-//FIXME: rewrite to use scissor?
-void gl_segmented_rect_2d_fragment_tex(const S32 left, 
-									   const S32 top, 
-									   const S32 right, 
-									   const S32 bottom, 
-									   const S32 texture_width, 
-									   const S32 texture_height, 
-									   const S32 border_size, 
-									   const F32 start_fragment, 
-									   const F32 end_fragment, 
-									   const U32 edges)
-{
-	S32 width = llabs(right - left);
-	S32 height = llabs(top - bottom);
-
-	gGL.pushUIMatrix();
-
-	gGL.translateUI((F32)left, (F32)bottom, 0.f);
-	LLVector2 border_uv_scale((F32)border_size / (F32)texture_width, (F32)border_size / (F32)texture_height);
-
-	if (border_uv_scale.mV[VX] > 0.5f)
-	{
-		border_uv_scale *= 0.5f / border_uv_scale.mV[VX];
-	}
-	if (border_uv_scale.mV[VY] > 0.5f)
-	{
-		border_uv_scale *= 0.5f / border_uv_scale.mV[VY];
-	}
-
-	F32 border_scale = llmin((F32)border_size, (F32)width * 0.5f, (F32)height * 0.5f);
-	LLVector2 border_width_left = ((edges & (~(U32)ROUNDED_RECT_RIGHT)) != 0) ? LLVector2(border_scale, 0.f) : LLVector2::zero;
-	LLVector2 border_width_right = ((edges & (~(U32)ROUNDED_RECT_LEFT)) != 0) ? LLVector2(border_scale, 0.f) : LLVector2::zero;
-	LLVector2 border_height_bottom = ((edges & (~(U32)ROUNDED_RECT_TOP)) != 0) ? LLVector2(0.f, border_scale) : LLVector2::zero;
-	LLVector2 border_height_top = ((edges & (~(U32)ROUNDED_RECT_BOTTOM)) != 0) ? LLVector2(0.f, border_scale) : LLVector2::zero;
-	LLVector2 width_vec((F32)width, 0.f);
-	LLVector2 height_vec(0.f, (F32)height);
-
-	F32 middle_start = border_scale / (F32)width;
-	F32 middle_end = 1.f - middle_start;
-
-	F32 u_min;
-	F32 u_max;
-	LLVector2 x_min;
-	LLVector2 x_max;
-
-	gGL.begin(LLRender::QUADS);
-	{
-		if (start_fragment < middle_start)
-		{
-			u_min = (start_fragment / middle_start) * border_uv_scale.mV[VX];
-			u_max = llmin(end_fragment / middle_start, 1.f) * border_uv_scale.mV[VX];
-			x_min = (start_fragment / middle_start) * border_width_left;
-			x_max = llmin(end_fragment / middle_start, 1.f) * border_width_left;
-
-			// draw bottom left
-			gGL.texCoord2f(u_min, 0.f);
-			gGL.vertex2fv(x_min.mV);
-
-			gGL.texCoord2f(border_uv_scale.mV[VX], 0.f);
-			gGL.vertex2fv(x_max.mV);
-
-			gGL.texCoord2f(u_max, border_uv_scale.mV[VY]);
-			gGL.vertex2fv((x_max + border_height_bottom).mV);
-
-			gGL.texCoord2f(u_min, border_uv_scale.mV[VY]);
-			gGL.vertex2fv((x_min + border_height_bottom).mV);
-
-			// draw left 
-			gGL.texCoord2f(u_min, border_uv_scale.mV[VY]);
-			gGL.vertex2fv((x_min + border_height_bottom).mV);
-
-			gGL.texCoord2f(u_max, border_uv_scale.mV[VY]);
-			gGL.vertex2fv((x_max + border_height_bottom).mV);
-
-			gGL.texCoord2f(u_max, 1.f - border_uv_scale.mV[VY]);
-			gGL.vertex2fv((x_max + height_vec - border_height_top).mV);
-
-			gGL.texCoord2f(u_min, 1.f - border_uv_scale.mV[VY]);
-			gGL.vertex2fv((x_min + height_vec - border_height_top).mV);
-			
-			// draw top left
-			gGL.texCoord2f(u_min, 1.f - border_uv_scale.mV[VY]);
-			gGL.vertex2fv((x_min + height_vec - border_height_top).mV);
-
-			gGL.texCoord2f(u_max, 1.f - border_uv_scale.mV[VY]);
-			gGL.vertex2fv((x_max + height_vec - border_height_top).mV);
-
-			gGL.texCoord2f(u_max, 1.f);
-			gGL.vertex2fv((x_max + height_vec).mV);
-
-			gGL.texCoord2f(u_min, 1.f);
-			gGL.vertex2fv((x_min + height_vec).mV);
-		}
-
-		if (end_fragment > middle_start || start_fragment < middle_end)
-		{
-			x_min = border_width_left + ((llclamp(start_fragment, middle_start, middle_end) - middle_start)) * width_vec;
-			x_max = border_width_left + ((llclamp(end_fragment, middle_start, middle_end) - middle_start)) * width_vec;
-
-			// draw bottom middle
-			gGL.texCoord2f(border_uv_scale.mV[VX], 0.f);
-			gGL.vertex2fv(x_min.mV);
-
-			gGL.texCoord2f(1.f - border_uv_scale.mV[VX], 0.f);
-			gGL.vertex2fv((x_max).mV);
-
-			gGL.texCoord2f(1.f - border_uv_scale.mV[VX], border_uv_scale.mV[VY]);
-			gGL.vertex2fv((x_max + border_height_bottom).mV);
-
-			gGL.texCoord2f(border_uv_scale.mV[VX], border_uv_scale.mV[VY]);
-			gGL.vertex2fv((x_min + border_height_bottom).mV);
-
-			// draw middle
-			gGL.texCoord2f(border_uv_scale.mV[VX], border_uv_scale.mV[VY]);
-			gGL.vertex2fv((x_min + border_height_bottom).mV);
-
-			gGL.texCoord2f(1.f - border_uv_scale.mV[VX], border_uv_scale.mV[VY]);
-			gGL.vertex2fv((x_max + border_height_bottom).mV);
-
-			gGL.texCoord2f(1.f - border_uv_scale.mV[VX], 1.f - border_uv_scale.mV[VY]);
-			gGL.vertex2fv((x_max + height_vec - border_height_top).mV);
-
-			gGL.texCoord2f(border_uv_scale.mV[VX], 1.f - border_uv_scale.mV[VY]);
-			gGL.vertex2fv((x_min + height_vec - border_height_top).mV);
-
-			// draw top middle
-			gGL.texCoord2f(border_uv_scale.mV[VX], 1.f - border_uv_scale.mV[VY]);
-			gGL.vertex2fv((x_min + height_vec - border_height_top).mV);
-
-			gGL.texCoord2f(1.f - border_uv_scale.mV[VX], 1.f - border_uv_scale.mV[VY]);
-			gGL.vertex2fv((x_max + height_vec - border_height_top).mV);
-
-			gGL.texCoord2f(1.f - border_uv_scale.mV[VX], 1.f);
-			gGL.vertex2fv((x_max + height_vec).mV);
-
-			gGL.texCoord2f(border_uv_scale.mV[VX], 1.f);
-			gGL.vertex2fv((x_min + height_vec).mV);
-		}
-
-		if (end_fragment > middle_end)
-		{
-			u_min = (1.f - llmax(0.f, ((start_fragment - middle_end) / middle_start))) * border_uv_scale.mV[VX];
-			u_max = (1.f - ((end_fragment - middle_end) / middle_start)) * border_uv_scale.mV[VX];
-			x_min = width_vec - ((1.f - llmax(0.f, ((start_fragment - middle_end) / middle_start))) * border_width_right);
-			x_max = width_vec - ((1.f - ((end_fragment - middle_end) / middle_start)) * border_width_right);
-
-			// draw bottom right
-			gGL.texCoord2f(u_min, 0.f);
-			gGL.vertex2fv((x_min).mV);
-
-			gGL.texCoord2f(u_max, 0.f);
-			gGL.vertex2fv(x_max.mV);
-
-			gGL.texCoord2f(u_max, border_uv_scale.mV[VY]);
-			gGL.vertex2fv((x_max + border_height_bottom).mV);
-
-			gGL.texCoord2f(u_min, border_uv_scale.mV[VY]);
-			gGL.vertex2fv((x_min + border_height_bottom).mV);
-
-			// draw right 
-			gGL.texCoord2f(u_min, border_uv_scale.mV[VY]);
-			gGL.vertex2fv((x_min + border_height_bottom).mV);
-
-			gGL.texCoord2f(u_max, border_uv_scale.mV[VY]);
-			gGL.vertex2fv((x_max + border_height_bottom).mV);
-
-			gGL.texCoord2f(u_max, 1.f - border_uv_scale.mV[VY]);
-			gGL.vertex2fv((x_max + height_vec - border_height_top).mV);
-
-			gGL.texCoord2f(u_min, 1.f - border_uv_scale.mV[VY]);
-			gGL.vertex2fv((x_min + height_vec - border_height_top).mV);
-
-			// draw top right
-			gGL.texCoord2f(u_min, 1.f - border_uv_scale.mV[VY]);
-			gGL.vertex2fv((x_min + height_vec - border_height_top).mV);
-
-			gGL.texCoord2f(u_max, 1.f - border_uv_scale.mV[VY]);
-			gGL.vertex2fv((x_max + height_vec - border_height_top).mV);
-
-			gGL.texCoord2f(u_max, 1.f);
-			gGL.vertex2fv((x_max + height_vec).mV);
-
-			gGL.texCoord2f(u_min, 1.f);
-			gGL.vertex2fv((x_min + height_vec).mV);
-		}
-	}
-	gGL.end();
-
-	gGL.popUIMatrix();
-}
-
-void gl_segmented_rect_3d_tex(const LLVector2& border_scale, const LLVector3& border_width, 
-							  const LLVector3& border_height, const LLVector3& width_vec, const LLVector3& height_vec,
-							  const U32 edges)
-{
-	LLVector3 left_border_width = ((edges & (~(U32)ROUNDED_RECT_RIGHT)) != 0) ? border_width : LLVector3::zero;
-	LLVector3 right_border_width = ((edges & (~(U32)ROUNDED_RECT_LEFT)) != 0) ? border_width : LLVector3::zero;
-
-	LLVector3 top_border_height = ((edges & (~(U32)ROUNDED_RECT_BOTTOM)) != 0) ? border_height : LLVector3::zero;
-	LLVector3 bottom_border_height = ((edges & (~(U32)ROUNDED_RECT_TOP)) != 0) ? border_height : LLVector3::zero;
-
-
-	gGL.begin(LLRender::QUADS);
-	{
-		// draw bottom left
-		gGL.texCoord2f(0.f, 0.f);
-		gGL.vertex3f(0.f, 0.f, 0.f);
-
-		gGL.texCoord2f(border_scale.mV[VX], 0.f);
-		gGL.vertex3fv(left_border_width.mV);
-
-		gGL.texCoord2f(border_scale.mV[VX], border_scale.mV[VY]);
-		gGL.vertex3fv((left_border_width + bottom_border_height).mV);
-
-		gGL.texCoord2f(0.f, border_scale.mV[VY]);
-		gGL.vertex3fv(bottom_border_height.mV);
-
-		// draw bottom middle
-		gGL.texCoord2f(border_scale.mV[VX], 0.f);
-		gGL.vertex3fv(left_border_width.mV);
-
-		gGL.texCoord2f(1.f - border_scale.mV[VX], 0.f);
-		gGL.vertex3fv((width_vec - right_border_width).mV);
-
-		gGL.texCoord2f(1.f - border_scale.mV[VX], border_scale.mV[VY]);
-		gGL.vertex3fv((width_vec - right_border_width + bottom_border_height).mV);
-
-		gGL.texCoord2f(border_scale.mV[VX], border_scale.mV[VY]);
-		gGL.vertex3fv((left_border_width + bottom_border_height).mV);
-
-		// draw bottom right
-		gGL.texCoord2f(1.f - border_scale.mV[VX], 0.f);
-		gGL.vertex3fv((width_vec - right_border_width).mV);
-
-		gGL.texCoord2f(1.f, 0.f);
-		gGL.vertex3fv(width_vec.mV);
-
-		gGL.texCoord2f(1.f, border_scale.mV[VY]);
-		gGL.vertex3fv((width_vec + bottom_border_height).mV);
-
-		gGL.texCoord2f(1.f - border_scale.mV[VX], border_scale.mV[VY]);
-		gGL.vertex3fv((width_vec - right_border_width + bottom_border_height).mV);
-
-		// draw left 
-		gGL.texCoord2f(0.f, border_scale.mV[VY]);
-		gGL.vertex3fv(bottom_border_height.mV);
-
-		gGL.texCoord2f(border_scale.mV[VX], border_scale.mV[VY]);
-		gGL.vertex3fv((left_border_width + bottom_border_height).mV);
-
-		gGL.texCoord2f(border_scale.mV[VX], 1.f - border_scale.mV[VY]);
-		gGL.vertex3fv((left_border_width + height_vec - top_border_height).mV);
-
-		gGL.texCoord2f(0.f, 1.f - border_scale.mV[VY]);
-		gGL.vertex3fv((height_vec - top_border_height).mV);
-
-		// draw middle
-		gGL.texCoord2f(border_scale.mV[VX], border_scale.mV[VY]);
-		gGL.vertex3fv((left_border_width + bottom_border_height).mV);
-
-		gGL.texCoord2f(1.f - border_scale.mV[VX], border_scale.mV[VY]);
-		gGL.vertex3fv((width_vec - right_border_width + bottom_border_height).mV);
-
-		gGL.texCoord2f(1.f - border_scale.mV[VX], 1.f - border_scale.mV[VY]);
-		gGL.vertex3fv((width_vec - right_border_width + height_vec - top_border_height).mV);
-
-		gGL.texCoord2f(border_scale.mV[VX], 1.f - border_scale.mV[VY]);
-		gGL.vertex3fv((left_border_width + height_vec - top_border_height).mV);
-
-		// draw right 
-		gGL.texCoord2f(1.f - border_scale.mV[VX], border_scale.mV[VY]);
-		gGL.vertex3fv((width_vec - right_border_width + bottom_border_height).mV);
-
-		gGL.texCoord2f(1.f, border_scale.mV[VY]);
-		gGL.vertex3fv((width_vec + bottom_border_height).mV);
-
-		gGL.texCoord2f(1.f, 1.f - border_scale.mV[VY]);
-		gGL.vertex3fv((width_vec + height_vec - top_border_height).mV);
-
-		gGL.texCoord2f(1.f - border_scale.mV[VX], 1.f - border_scale.mV[VY]);
-		gGL.vertex3fv((width_vec - right_border_width + height_vec - top_border_height).mV);
-
-		// draw top left
-		gGL.texCoord2f(0.f, 1.f - border_scale.mV[VY]);
-		gGL.vertex3fv((height_vec - top_border_height).mV);
-
-		gGL.texCoord2f(border_scale.mV[VX], 1.f - border_scale.mV[VY]);
-		gGL.vertex3fv((left_border_width + height_vec - top_border_height).mV);
-
-		gGL.texCoord2f(border_scale.mV[VX], 1.f);
-		gGL.vertex3fv((left_border_width + height_vec).mV);
-
-		gGL.texCoord2f(0.f, 1.f);
-		gGL.vertex3fv((height_vec).mV);
-
-		// draw top middle
-		gGL.texCoord2f(border_scale.mV[VX], 1.f - border_scale.mV[VY]);
-		gGL.vertex3fv((left_border_width + height_vec - top_border_height).mV);
-
-		gGL.texCoord2f(1.f - border_scale.mV[VX], 1.f - border_scale.mV[VY]);
-		gGL.vertex3fv((width_vec - right_border_width + height_vec - top_border_height).mV);
-
-		gGL.texCoord2f(1.f - border_scale.mV[VX], 1.f);
-		gGL.vertex3fv((width_vec - right_border_width + height_vec).mV);
-
-		gGL.texCoord2f(border_scale.mV[VX], 1.f);
-		gGL.vertex3fv((left_border_width + height_vec).mV);
-
-		// draw top right
-		gGL.texCoord2f(1.f - border_scale.mV[VX], 1.f - border_scale.mV[VY]);
-		gGL.vertex3fv((width_vec - right_border_width + height_vec - top_border_height).mV);
-
-		gGL.texCoord2f(1.f, 1.f - border_scale.mV[VY]);
-		gGL.vertex3fv((width_vec + height_vec - top_border_height).mV);
-
-		gGL.texCoord2f(1.f, 1.f);
-		gGL.vertex3fv((width_vec + height_vec).mV);
-
-		gGL.texCoord2f(1.f - border_scale.mV[VX], 1.f);
-		gGL.vertex3fv((width_vec - right_border_width + height_vec).mV);
-	}
-	gGL.end();
-
-}
-
-void gl_segmented_rect_3d_tex_top(const LLVector2& border_scale, const LLVector3& border_width, const LLVector3& border_height, const LLVector3& width_vec, const LLVector3& height_vec)
-{
-	gl_segmented_rect_3d_tex(border_scale, border_width, border_height, width_vec, height_vec, ROUNDED_RECT_TOP);
 }
 
 void LLUI::initClass(const settings_map_t& settings,
 					 LLImageProviderInterface* image_provider,
 					 LLUIAudioCallback audio_callback,
+					 LLUIAudioCallback deferred_audio_callback,
 					 const LLVector2* scale_factor,
 					 const std::string& language)
 {
+	LLRender2D::initClass(image_provider,scale_factor);
 	sSettingGroups = settings;
 
 	if ((get_ptr_in_map(sSettingGroups, std::string("config")) == NULL) ||
@@ -1632,9 +173,8 @@ void LLUI::initClass(const settings_map_t& settings,
 		llerrs << "Failure to initialize configuration groups" << llendl;
 	}
 
-	sImageProvider = image_provider;
 	sAudioCallback = audio_callback;
-	sGLScaleFactor = (scale_factor == NULL) ? LLVector2(1.f, 1.f) : *scale_factor;
+	sDeferredAudioCallback = deferred_audio_callback;
 	sWindow = NULL; // set later in startup
 	LLFontGL::sShadowColor = LLUIColorTable::instance().getColor("ColorDropShadow");
 
@@ -1668,10 +208,7 @@ void LLUI::initClass(const settings_map_t& settings,
 
 void LLUI::cleanupClass()
 {
-	if(sImageProvider)
-	{
-	sImageProvider->cleanUp();
-}
+	LLRender2D::cleanupClass();
 }
 
 void LLUI::setPopupFuncs(const add_popup_t& add_popup, const remove_popup_t& remove_popup,  const clear_popups_t& clear_popups)
@@ -1695,60 +232,12 @@ void LLUI::dirtyRect(LLRect rect)
 	}		
 }
  
-
-//static
-void LLUI::translate(F32 x, F32 y, F32 z)
-{
-	gGL.translateUI(x,y,z);
-	LLFontGL::sCurOrigin.mX += (S32) x;
-	LLFontGL::sCurOrigin.mY += (S32) y;
-	LLFontGL::sCurDepth += z;
-}
-
-//static
-void LLUI::pushMatrix()
-{
-	gGL.pushUIMatrix();
-	LLFontGL::sOriginStack.push_back(std::make_pair(LLFontGL::sCurOrigin, LLFontGL::sCurDepth));
-}
-
-//static
-void LLUI::popMatrix()
-{
-	gGL.popUIMatrix();
-	LLFontGL::sCurOrigin = LLFontGL::sOriginStack.back().first;
-	LLFontGL::sCurDepth = LLFontGL::sOriginStack.back().second;
-	LLFontGL::sOriginStack.pop_back();
-}
-
-//static 
-void LLUI::loadIdentity()
-{
-	gGL.loadUIIdentity(); 
-	LLFontGL::sCurOrigin.mX = 0;
-	LLFontGL::sCurOrigin.mY = 0;
-	LLFontGL::sCurDepth = 0.f;
-}
-
-//static
-void LLUI::setScaleFactor(const LLVector2 &scale_factor)
-{
-	sGLScaleFactor = scale_factor;
-}
-
-//static
-void LLUI::setLineWidth(F32 width)
-{
-	gGL.flush();
-	glLineWidth(width * lerp(sGLScaleFactor.mV[VX], sGLScaleFactor.mV[VY], 0.5f));
-}
-
 //static 
 void LLUI::setMousePositionScreen(S32 x, S32 y)
 {
 	S32 screen_x, screen_y;
-	screen_x = llround((F32)x * sGLScaleFactor.mV[VX]);
-	screen_y = llround((F32)y * sGLScaleFactor.mV[VY]);
+	screen_x = llround((F32)x * getScaleFactor().mV[VX]);
+	screen_y = llround((F32)y * getScaleFactor().mV[VY]);
 	
 	LLView::getWindow()->setCursorPosition(LLCoordGL(screen_x, screen_y).convert());
 }
@@ -1759,8 +248,8 @@ void LLUI::getMousePositionScreen(S32 *x, S32 *y)
 	LLCoordWindow cursor_pos_window;
 	getWindow()->getCursorPosition(&cursor_pos_window);
 	LLCoordGL cursor_pos_gl(cursor_pos_window.convert());
-	*x = llround((F32)cursor_pos_gl.mX / sGLScaleFactor.mV[VX]);
-	*y = llround((F32)cursor_pos_gl.mY / sGLScaleFactor.mV[VX]);
+	*x = llround((F32)cursor_pos_gl.mX / getScaleFactor().mV[VX]);
+	*y = llround((F32)cursor_pos_gl.mY / getScaleFactor().mV[VX]);
 }
 
 //static 
@@ -1874,21 +363,21 @@ LLVector2 LLUI::getWindowSize()
 	LLCoordWindow window_rect;
 	sWindow->getSize(&window_rect);
 
-	return LLVector2(window_rect.mX / sGLScaleFactor.mV[VX], window_rect.mY / sGLScaleFactor.mV[VY]);
+	return LLVector2(window_rect.mX / getScaleFactor().mV[VX], window_rect.mY / getScaleFactor().mV[VY]);
 }
 
 //static
 void LLUI::screenPointToGL(S32 screen_x, S32 screen_y, S32 *gl_x, S32 *gl_y)
 {
-	*gl_x = llround((F32)screen_x * sGLScaleFactor.mV[VX]);
-	*gl_y = llround((F32)screen_y * sGLScaleFactor.mV[VY]);
+	*gl_x = llround((F32)screen_x * getScaleFactor().mV[VX]);
+	*gl_y = llround((F32)screen_y * getScaleFactor().mV[VY]);
 }
 
 //static
 void LLUI::glPointToScreen(S32 gl_x, S32 gl_y, S32 *screen_x, S32 *screen_y)
 {
-	*screen_x = llround((F32)gl_x / sGLScaleFactor.mV[VX]);
-	*screen_y = llround((F32)gl_y / sGLScaleFactor.mV[VY]);
+	*screen_x = llround((F32)gl_x / getScaleFactor().mV[VX]);
+	*screen_y = llround((F32)gl_y / getScaleFactor().mV[VY]);
 }
 
 //static
@@ -1905,27 +394,6 @@ void LLUI::glRectToScreen(const LLRect& gl, LLRect *screen)
 	glPointToScreen(gl.mRight, gl.mBottom, &screen->mRight, &screen->mBottom);
 }
 
-//static
-LLPointer<LLUIImage> LLUI::getUIImageByID(const LLUUID& image_id, S32 priority)
-{
-	if (sImageProvider)
-	{
-		return sImageProvider->getUIImageByID(image_id, priority);
-	}
-	else
-	{
-		return NULL;
-	}
-}
-
-//static 
-LLPointer<LLUIImage> LLUI::getUIImage(const std::string& name, S32 priority)
-{
-	if (!name.empty() && sImageProvider)
-		return sImageProvider->getUIImage(name, priority);
-	else
-		return NULL;
-}
 
 LLControlGroup& LLUI::getControlControlGroup (const std::string& controlname)
 {
@@ -2067,7 +535,7 @@ const LLView* LLUI::resolvePath(const LLView* context, const std::string& path)
 
 namespace LLInitParam
 {
-	ParamValue<LLUIColor, TypeValues<LLUIColor> >::ParamValue(const LLUIColor& color)
+	ParamValue<LLUIColor>::ParamValue(const LLUIColor& color)
 	:	super_t(color),
 		red("red"),
 		green("green"),
@@ -2078,7 +546,7 @@ namespace LLInitParam
 		updateBlockFromValue(false);
 	}
 
-	void ParamValue<LLUIColor, TypeValues<LLUIColor> >::updateValueFromBlock()
+	void ParamValue<LLUIColor>::updateValueFromBlock()
 	{
 		if (control.isProvided() && !control().empty())
 		{
@@ -2090,7 +558,7 @@ namespace LLInitParam
 		}
 	}
 	
-	void ParamValue<LLUIColor, TypeValues<LLUIColor> >::updateBlockFromValue(bool make_block_authoritative)
+	void ParamValue<LLUIColor>::updateBlockFromValue(bool make_block_authoritative)
 	{
 		LLColor4 color = getValue();
 		red.set(color.mV[VRED], make_block_authoritative);
@@ -2106,7 +574,7 @@ namespace LLInitParam
 			&& !(b->getFontDesc() < a->getFontDesc());
 	}
 
-	ParamValue<const LLFontGL*, TypeValues<const LLFontGL*> >::ParamValue(const LLFontGL* fontp)
+	ParamValue<const LLFontGL*>::ParamValue(const LLFontGL* fontp)
 	:	super_t(fontp),
 		name("name"),
 		size("size"),
@@ -2120,7 +588,7 @@ namespace LLInitParam
 		updateBlockFromValue(false);
 	}
 
-	void ParamValue<const LLFontGL*, TypeValues<const LLFontGL*> >::updateValueFromBlock()
+	void ParamValue<const LLFontGL*>::updateValueFromBlock()
 	{
 		const LLFontGL* res_fontp = LLFontGL::getFontByName(name);
 		if (res_fontp)
@@ -2143,7 +611,7 @@ namespace LLInitParam
 		}
 	}
 	
-	void ParamValue<const LLFontGL*, TypeValues<const LLFontGL*> >::updateBlockFromValue(bool make_block_authoritative)
+	void ParamValue<const LLFontGL*>::updateBlockFromValue(bool make_block_authoritative)
 	{
 		if (getValue())
 		{
@@ -2153,7 +621,7 @@ namespace LLInitParam
 		}
 	}
 
-	ParamValue<LLRect, TypeValues<LLRect> >::ParamValue(const LLRect& rect)
+	ParamValue<LLRect>::ParamValue(const LLRect& rect)
 	:	super_t(rect),
 		left("left"),
 		top("top"),
@@ -2165,7 +633,7 @@ namespace LLInitParam
 		updateBlockFromValue(false);
 	}
 
-	void ParamValue<LLRect, TypeValues<LLRect> >::updateValueFromBlock()
+	void ParamValue<LLRect>::updateValueFromBlock()
 	{
 		LLRect rect;
 
@@ -2229,7 +697,7 @@ namespace LLInitParam
 		updateValue(rect);
 	}
 	
-	void ParamValue<LLRect, TypeValues<LLRect> >::updateBlockFromValue(bool make_block_authoritative)
+	void ParamValue<LLRect>::updateBlockFromValue(bool make_block_authoritative)
 	{
 		// because of the ambiguity in specifying a rect by position and/or dimensions
 		// we use the lowest priority pairing so that any valid pairing in xui 
@@ -2246,7 +714,7 @@ namespace LLInitParam
 		height.set(value.getHeight(), make_block_authoritative);
 	}
 
-	ParamValue<LLCoordGL, TypeValues<LLCoordGL> >::ParamValue(const LLCoordGL& coord)
+	ParamValue<LLCoordGL>::ParamValue(const LLCoordGL& coord)
 	:	super_t(coord),
 		x("x"),
 		y("y")
@@ -2254,12 +722,12 @@ namespace LLInitParam
 		updateBlockFromValue(false);
 	}
 
-	void ParamValue<LLCoordGL, TypeValues<LLCoordGL> >::updateValueFromBlock()
+	void ParamValue<LLCoordGL>::updateValueFromBlock()
 	{
 		updateValue(LLCoordGL(x, y));
 	}
 	
-	void ParamValue<LLCoordGL, TypeValues<LLCoordGL> >::updateBlockFromValue(bool make_block_authoritative)
+	void ParamValue<LLCoordGL>::updateBlockFromValue(bool make_block_authoritative)
 	{
 		x.set(getValue().mX, make_block_authoritative);
 		y.set(getValue().mY, make_block_authoritative);
diff --git a/indra/llui/llui.h b/indra/llui/llui.h
index c5a12d2b31..0a0e0e164e 100644..100755
--- a/indra/llui/llui.h
+++ b/indra/llui/llui.h
@@ -1,6 +1,6 @@
 /** 
  * @file llui.h
- * @brief GL function declarations and other general static UI services.
+ * @brief General static UI services.
  *
  * $LicenseInfo:firstyear=2001&license=viewerlgpl$
  * Second Life Viewer Source Code
@@ -24,121 +24,37 @@
  * $/LicenseInfo$
  */
 
-// All immediate-mode gl drawing should happen here.
 
 #ifndef LL_LLUI_H
 #define LL_LLUI_H
 
-#include "llpointer.h"		// LLPointer<>
 #include "llrect.h"
 #include "llcontrol.h"
 #include "llcoord.h"
-#include "llglslshader.h"
+#include "v2math.h"
 #include "llinitparam.h"
 #include "llregistry.h"
+#include "llrender2dutils.h"
+#include "llpointer.h"
 #include "lluicolor.h"
 #include "lluicolortable.h"
+#include "lluiimage.h"
 #include <boost/signals2.hpp>
 #include "lllazyvalue.h"
 #include "llframetimer.h"
 #include <limits>
 
-// LLUIFactory
-#include "llsd.h"
-
 // for initparam specialization
 #include "llfontgl.h"
 
 
-class LLColor4; 
-class LLVector3;
-class LLVector2;
-class LLUIImage;
 class LLUUID;
 class LLWindow;
 class LLView;
 class LLHelp;
 
-// UI colors
-extern const LLColor4 UI_VERTEX_COLOR;
 void make_ui_sound(const char* name);
-
-BOOL ui_point_in_rect(S32 x, S32 y, S32 left, S32 top, S32 right, S32 bottom);
-void gl_state_for_2d(S32 width, S32 height);
-
-void gl_line_2d(S32 x1, S32 y1, S32 x2, S32 y2);
-void gl_line_2d(S32 x1, S32 y1, S32 x2, S32 y2, const LLColor4 &color );
-void gl_triangle_2d(S32 x1, S32 y1, S32 x2, S32 y2, S32 x3, S32 y3, const LLColor4& color, BOOL filled);
-void gl_rect_2d_simple( S32 width, S32 height );
-
-void gl_draw_x(const LLRect& rect, const LLColor4& color);
-
-void gl_rect_2d(S32 left, S32 top, S32 right, S32 bottom, BOOL filled = TRUE );
-void gl_rect_2d(S32 left, S32 top, S32 right, S32 bottom, const LLColor4 &color, BOOL filled = TRUE );
-void gl_rect_2d_offset_local( S32 left, S32 top, S32 right, S32 bottom, const LLColor4 &color, S32 pixel_offset = 0, BOOL filled = TRUE );
-void gl_rect_2d_offset_local( S32 left, S32 top, S32 right, S32 bottom, S32 pixel_offset = 0, BOOL filled = TRUE );
-void gl_rect_2d(const LLRect& rect, BOOL filled = TRUE );
-void gl_rect_2d(const LLRect& rect, const LLColor4& color, BOOL filled = TRUE );
-void gl_rect_2d_checkerboard(const LLRect& rect, GLfloat alpha = 1.0f);
-
-void gl_drop_shadow(S32 left, S32 top, S32 right, S32 bottom, const LLColor4 &start_color, S32 lines);
-
-void gl_circle_2d(F32 x, F32 y, F32 radius, S32 steps, BOOL filled);
-void gl_arc_2d(F32 center_x, F32 center_y, F32 radius, S32 steps, BOOL filled, F32 start_angle, F32 end_angle);
-void gl_deep_circle( F32 radius, F32 depth );
-void gl_ring( F32 radius, F32 width, const LLColor4& center_color, const LLColor4& side_color, S32 steps, BOOL render_center );
-void gl_corners_2d(S32 left, S32 top, S32 right, S32 bottom, S32 length, F32 max_frac);
-void gl_washer_2d(F32 outer_radius, F32 inner_radius, S32 steps, const LLColor4& inner_color, const LLColor4& outer_color);
-void gl_washer_segment_2d(F32 outer_radius, F32 inner_radius, F32 start_radians, F32 end_radians, S32 steps, const LLColor4& inner_color, const LLColor4& outer_color);
-
-void gl_draw_image(S32 x, S32 y, LLTexture* image, const LLColor4& color = UI_VERTEX_COLOR, const LLRectf& uv_rect = LLRectf(0.f, 1.f, 1.f, 0.f));
-void gl_draw_scaled_image(S32 x, S32 y, S32 width, S32 height, LLTexture* image, const LLColor4& color = UI_VERTEX_COLOR, const LLRectf& uv_rect = LLRectf(0.f, 1.f, 1.f, 0.f));
-void gl_draw_rotated_image(S32 x, S32 y, F32 degrees, LLTexture* image, const LLColor4& color = UI_VERTEX_COLOR, const LLRectf& uv_rect = LLRectf(0.f, 1.f, 1.f, 0.f));
-void gl_draw_scaled_rotated_image(S32 x, S32 y, S32 width, S32 height, F32 degrees,LLTexture* image, const LLColor4& color = UI_VERTEX_COLOR, const LLRectf& uv_rect = LLRectf(0.f, 1.f, 1.f, 0.f));
-void gl_draw_scaled_image_with_border(S32 x, S32 y, S32 border_width, S32 border_height, S32 width, S32 height, LLTexture* image, const LLColor4 &color, BOOL solid_color = FALSE, const LLRectf& uv_rect = LLRectf(0.f, 1.f, 1.f, 0.f));
-void gl_draw_scaled_image_with_border(S32 x, S32 y, S32 width, S32 height, LLTexture* image, const LLColor4 &color, BOOL solid_color = FALSE, const LLRectf& uv_rect = LLRectf(0.f, 1.f, 1.f, 0.f), const LLRectf& scale_rect = LLRectf(0.f, 1.f, 1.f, 0.f));
-
-void gl_stippled_line_3d( const LLVector3& start, const LLVector3& end, const LLColor4& color, F32 phase = 0.f ); 
-
-void gl_rect_2d_simple_tex( S32 width, S32 height );
-
-// segmented rectangles
-
-/*
-   TL |______TOP_________| TR 
-     /|                  |\  
-   _/_|__________________|_\_
-   L| |    MIDDLE        | |R
-   _|_|__________________|_|_
-    \ |    BOTTOM        | /  
-   BL\|__________________|/ BR
-      |                  |    
-*/
-
-typedef enum e_rounded_edge
-{
-	ROUNDED_RECT_LEFT	= 0x1, 
-	ROUNDED_RECT_TOP	= 0x2, 
-	ROUNDED_RECT_RIGHT	= 0x4, 
-	ROUNDED_RECT_BOTTOM	= 0x8,
-	ROUNDED_RECT_ALL	= 0xf
-}ERoundedEdge;
-
-
-void gl_segmented_rect_2d_tex(const S32 left, const S32 top, const S32 right, const S32 bottom, const S32 texture_width, const S32 texture_height, const S32 border_size, const U32 edges = ROUNDED_RECT_ALL);
-void gl_segmented_rect_2d_fragment_tex(const S32 left, const S32 top, const S32 right, const S32 bottom, const S32 texture_width, const S32 texture_height, const S32 border_size, const F32 start_fragment, const F32 end_fragment, const U32 edges = ROUNDED_RECT_ALL);
-void gl_segmented_rect_3d_tex(const LLVector2& border_scale, const LLVector3& border_width, const LLVector3& border_height, const LLVector3& width_vec, const LLVector3& height_vec, U32 edges = ROUNDED_RECT_ALL);
-void gl_segmented_rect_3d_tex_top(const LLVector2& border_scale, const LLVector3& border_width, const LLVector3& border_height, const LLVector3& width_vec, const LLVector3& height_vec);
-
-inline void gl_rect_2d( const LLRect& rect, BOOL filled )
-{
-	gl_rect_2d( rect.mLeft, rect.mTop, rect.mRight, rect.mBottom, filled );
-}
-
-inline void gl_rect_2d_offset_local( const LLRect& rect, S32 pixel_offset, BOOL filled)
-{
-	gl_rect_2d_offset_local( rect.mLeft, rect.mTop, rect.mRight, rect.mBottom, pixel_offset, filled );
-}
+void make_ui_sound_deferred(const char * name);
 
 class LLImageProviderInterface;
 
@@ -275,15 +191,16 @@ public:
 	static void initClass(const settings_map_t& settings,
 						  LLImageProviderInterface* image_provider,
 						  LLUIAudioCallback audio_callback = NULL,
+						  LLUIAudioCallback deferred_audio_callback = NULL,
 						  const LLVector2 *scale_factor = NULL,
 						  const std::string& language = LLStringUtil::null);
 	static void cleanupClass();
 	static void setPopupFuncs(const add_popup_t& add_popup, const remove_popup_t&, const clear_popups_t& );
 
-	static void pushMatrix();
-	static void popMatrix();
-	static void loadIdentity();
-	static void translate(F32 x, F32 y, F32 z = 0.0f);
+	static void pushMatrix() { LLRender2D::pushMatrix(); }
+	static void popMatrix() { LLRender2D::popMatrix(); }
+	static void loadIdentity() { LLRender2D::loadIdentity(); }
+	static void translate(F32 x, F32 y, F32 z = 0.0f) { LLRender2D::translate(x, y, z); }
 
 	static LLRect	sDirtyRect;
 	static BOOL		sDirty;
@@ -328,10 +245,13 @@ public:
 	static void getMousePositionScreen(S32 *x, S32 *y);
 	static void setMousePositionLocal(const LLView* viewp, S32 x, S32 y);
 	static void getMousePositionLocal(const LLView* viewp, S32 *x, S32 *y);
-	static void setScaleFactor(const LLVector2& scale_factor);
-	static void setLineWidth(F32 width);
-	static LLPointer<LLUIImage> getUIImageByID(const LLUUID& image_id, S32 priority = 0);
-	static LLPointer<LLUIImage> getUIImage(const std::string& name, S32 priority = 0);
+	static LLVector2& getScaleFactor() { return LLRender2D::sGLScaleFactor; }
+	static void setScaleFactor(const LLVector2& scale_factor) { LLRender2D::setScaleFactor(scale_factor); }
+	static void setLineWidth(F32 width) { LLRender2D::setLineWidth(width); }
+	static LLPointer<LLUIImage> getUIImageByID(const LLUUID& image_id, S32 priority = 0)
+		{ return LLRender2D::getUIImageByID(image_id, priority); }
+	static LLPointer<LLUIImage> getUIImage(const std::string& name, S32 priority = 0)
+		{ return LLRender2D::getUIImage(name, priority); }
 	static LLVector2 getWindowSize();
 	static void screenPointToGL(S32 screen_x, S32 screen_y, S32 *gl_x, S32 *gl_y);
 	static void glPointToScreen(S32 gl_x, S32 gl_y, S32 *screen_x, S32 *screen_y);
@@ -360,12 +280,11 @@ public:
 	//
 	static settings_map_t sSettingGroups;
 	static LLUIAudioCallback sAudioCallback;
-	static LLVector2		sGLScaleFactor;
+	static LLUIAudioCallback sDeferredAudioCallback;
 	static LLWindow*		sWindow;
 	static LLView*			sRootView;
 	static LLHelp*			sHelpImpl;
 private:
-	static LLImageProviderInterface* sImageProvider;
 	static std::vector<std::string> sXUIPaths;
 	static LLFrameTimer		sMouseIdleTimer;
 	static add_popup_t		sAddPopupFunc;
@@ -376,18 +295,6 @@ private:
 
 // Moved LLLocalClipRect to lllocalcliprect.h
 
-//RN: maybe this needs to moved elsewhere?
-class LLImageProviderInterface
-{
-protected:
-	LLImageProviderInterface() {};
-	virtual ~LLImageProviderInterface() {};
-public:
-	virtual LLPointer<LLUIImage> getUIImage(const std::string& name, S32 priority) = 0;
-	virtual LLPointer<LLUIImage> getUIImageByID(const LLUUID& id, S32 priority) = 0;
-	virtual void cleanUp() = 0;
-};
-
 class LLCallbackRegistry
 {
 public:
@@ -436,10 +343,11 @@ public:
 
 	// this avoids a MSVC bug where non-referenced static members are "optimized" away
 	// even if their constructors have side effects
-	void reference()
+	S32 reference()
 	{
 		S32 dummy;
 		dummy = 0;
+		return dummy;
 	}
 };
 
@@ -507,7 +415,7 @@ public:
 namespace LLInitParam
 {
 	template<>
-	class ParamValue<LLRect, TypeValues<LLRect> > 
+	class ParamValue<LLRect> 
 	:	public CustomParamValue<LLRect>
 	{
         typedef CustomParamValue<LLRect> super_t;
@@ -526,7 +434,7 @@ namespace LLInitParam
 	};
 
 	template<>
-	class ParamValue<LLUIColor, TypeValues<LLUIColor> > 
+	class ParamValue<LLUIColor> 
 	:	public CustomParamValue<LLUIColor>
 	{
         typedef CustomParamValue<LLUIColor> super_t;
@@ -544,7 +452,7 @@ namespace LLInitParam
 	};
 
 	template<>
-	class ParamValue<const LLFontGL*, TypeValues<const LLFontGL*> > 
+	class ParamValue<const LLFontGL*> 
 	:	public CustomParamValue<const LLFontGL* >
 	{
         typedef CustomParamValue<const LLFontGL*> super_t;
@@ -584,7 +492,7 @@ namespace LLInitParam
 
 
 	template<>
-	class ParamValue<LLCoordGL, TypeValues<LLCoordGL> >
+	class ParamValue<LLCoordGL>
 	:	public CustomParamValue<LLCoordGL>
 	{
 		typedef CustomParamValue<LLCoordGL> super_t;
@@ -598,7 +506,4 @@ namespace LLInitParam
 	};
 }
 
-extern LLGLSLShader gSolidColorProgram;
-extern LLGLSLShader gUIProgram;
-
 #endif
diff --git a/indra/llui/lluicolor.cpp b/indra/llui/lluicolor.cpp
index f9bb80f8c5..f9bb80f8c5 100644..100755
--- a/indra/llui/lluicolor.cpp
+++ b/indra/llui/lluicolor.cpp
diff --git a/indra/llui/lluicolor.h b/indra/llui/lluicolor.h
index 97ebea854a..97ebea854a 100644..100755
--- a/indra/llui/lluicolor.h
+++ b/indra/llui/lluicolor.h
diff --git a/indra/llui/lluicolortable.cpp b/indra/llui/lluicolortable.cpp
index ffeff15968..ffeff15968 100644..100755
--- a/indra/llui/lluicolortable.cpp
+++ b/indra/llui/lluicolortable.cpp
diff --git a/indra/llui/lluicolortable.h b/indra/llui/lluicolortable.h
index 6a7a681d57..6a7a681d57 100644..100755
--- a/indra/llui/lluicolortable.h
+++ b/indra/llui/lluicolortable.h
diff --git a/indra/llui/lluiconstants.h b/indra/llui/lluiconstants.h
index 1479e58c43..1479e58c43 100644..100755
--- a/indra/llui/lluiconstants.h
+++ b/indra/llui/lluiconstants.h
diff --git a/indra/llui/lluictrl.cpp b/indra/llui/lluictrl.cpp
index b9c843e931..b9c843e931 100644..100755
--- a/indra/llui/lluictrl.cpp
+++ b/indra/llui/lluictrl.cpp
diff --git a/indra/llui/lluictrl.h b/indra/llui/lluictrl.h
index fb2196bb16..fb2196bb16 100644..100755
--- a/indra/llui/lluictrl.h
+++ b/indra/llui/lluictrl.h
diff --git a/indra/llui/lluictrlfactory.cpp b/indra/llui/lluictrlfactory.cpp
index bd06476936..60fee47ae0 100644..100755
--- a/indra/llui/lluictrlfactory.cpp
+++ b/indra/llui/lluictrlfactory.cpp
@@ -247,13 +247,13 @@ const LLInitParam::BaseBlock& get_empty_param_block()
 
 // adds a widget and its param block to various registries
 //static 
-void LLUICtrlFactory::registerWidget(const std::type_info* widget_type, const std::type_info* param_block_type, const std::string& tag)
+void LLUICtrlFactory::registerWidget(const std::type_info* widget_type, const std::type_info* param_block_type, const std::string& name)
 {
 	// associate parameter block type with template .xml file
-	std::string* existing_tag = LLWidgetNameRegistry::instance().getValue(param_block_type);
-	if (existing_tag != NULL)
+	std::string* existing_name = LLWidgetNameRegistry::instance().getValue(param_block_type);
+	if (existing_name != NULL)
 	{
-		if(*existing_tag != tag)
+		if(*existing_name != name)
 		{
 			std::cerr << "Duplicate entry for T::Params, try creating empty param block in derived classes that inherit T::Params" << std::endl;
 			// forcing crash here
@@ -262,19 +262,15 @@ void LLUICtrlFactory::registerWidget(const std::type_info* widget_type, const st
 		}
 		else
 		{
-			// widget already registered
+			// widget already registered this name
 			return;
 		}
 	}
-	LLWidgetNameRegistry::instance().defaultRegistrar().add(param_block_type, tag);
+
+	LLWidgetNameRegistry::instance().defaultRegistrar().add(param_block_type, name);
 	//FIXME: comment this in when working on schema generation
 	//LLWidgetTypeRegistry::instance().defaultRegistrar().add(tag, widget_type);
 	//LLDefaultParamBlockRegistry::instance().defaultRegistrar().add(widget_type, &get_empty_param_block<T>);
 }
 
-//static 
-const std::string* LLUICtrlFactory::getWidgetTag(const std::type_info* widget_type)
-{
-	return LLWidgetNameRegistry::instance().getValue(widget_type);
-}
 
diff --git a/indra/llui/lluictrlfactory.h b/indra/llui/lluictrlfactory.h
index f6971261d7..876bb5ef46 100644..100755
--- a/indra/llui/lluictrlfactory.h
+++ b/indra/llui/lluictrlfactory.h
@@ -98,7 +98,7 @@ private:
 		ParamDefaults()
 		{
 			// look up template file for this param block...
-			const std::string* param_block_tag = getWidgetTag(&typeid(PARAM_BLOCK));
+			const std::string* param_block_tag = LLWidgetNameRegistry::instance().getValue(&typeid(PARAM_BLOCK));
 			if (param_block_tag)
 			{	// ...and if it exists, back fill values using the most specific template first
 				PARAM_BLOCK params;
@@ -132,7 +132,6 @@ public:
 	template<typename T>
 	static const typename T::Params& getDefaultParams()
 	{
-		//#pragma message("Generating ParamDefaults")
 		return ParamDefaults<typename T::Params, 0>::instance().get();
 	}
 
@@ -285,8 +284,6 @@ private:
 	}
 
 
-	static const std::string* getWidgetTag(const std::type_info* widget_type);
-
 	// this exists to get around dependency on llview
 	static void setCtrlParent(LLView* view, LLView* parent, S32 tab_group);
 
diff --git a/indra/llui/lluifwd.h b/indra/llui/lluifwd.h
index a68629a091..a68629a091 100644..100755
--- a/indra/llui/lluifwd.h
+++ b/indra/llui/lluifwd.h
diff --git a/indra/llui/lluiimage.cpp b/indra/llui/lluiimage.cpp
deleted file mode 100644
index 1d9ce29ba9..0000000000
--- a/indra/llui/lluiimage.cpp
+++ /dev/null
@@ -1,199 +0,0 @@
-/** 
- * @file lluiimage.cpp
- * @brief UI implementation
- *
- * $LicenseInfo:firstyear=2007&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-// Utilities functions the user interface needs
-
-//#include "llviewerprecompiledheaders.h"
-#include "linden_common.h"
-
-// Project includes
-#include "lluiimage.h"
-#include "llui.h"
-
-LLUIImage::LLUIImage(const std::string& name, LLPointer<LLTexture> image)
-:	mName(name),
-	mImage(image),
-	mScaleRegion(0.f, 1.f, 1.f, 0.f),
-	mClipRegion(0.f, 1.f, 1.f, 0.f),
-	mUniformScaling(TRUE),
-	mNoClip(TRUE),
-	mImageLoaded(NULL)
-{
-}
-
-LLUIImage::~LLUIImage()
-{
-	delete mImageLoaded;
-}
-
-void LLUIImage::setClipRegion(const LLRectf& region) 
-{ 
-	mClipRegion = region; 
-	mNoClip = mClipRegion.mLeft == 0.f
-				&& mClipRegion.mRight == 1.f
-				&& mClipRegion.mBottom == 0.f
-				&& mClipRegion.mTop == 1.f;
-}
-
-void LLUIImage::setScaleRegion(const LLRectf& region) 
-{ 
-	mScaleRegion = region; 
-	mUniformScaling = mScaleRegion.mLeft == 0.f
-					&& mScaleRegion.mRight == 1.f
-					&& mScaleRegion.mBottom == 0.f
-					&& mScaleRegion.mTop == 1.f;
-}
-
-//TODO: move drawing implementation inside class
-void LLUIImage::draw(S32 x, S32 y, const LLColor4& color) const
-{
-	gl_draw_scaled_image(x, y, getWidth(), getHeight(), mImage, color, mClipRegion);
-}
-
-void LLUIImage::draw(S32 x, S32 y, S32 width, S32 height, const LLColor4& color) const
-{
-	if (mUniformScaling)
-	{
-		gl_draw_scaled_image(x, y, width, height, mImage, color, mClipRegion);
-	}
-	else
-	{
-		gl_draw_scaled_image_with_border(
-			x, y, 
-			width, height, 
-			mImage, 
-			color,
-			FALSE,
-			mClipRegion,
-			mScaleRegion);
-	}
-}
-
-void LLUIImage::drawSolid(S32 x, S32 y, S32 width, S32 height, const LLColor4& color) const
-{
-	gl_draw_scaled_image_with_border(
-		x, y, 
-		width, height, 
-		mImage, 
-		color, 
-		TRUE,
-		mClipRegion,
-		mScaleRegion);
-}
-
-void LLUIImage::drawBorder(S32 x, S32 y, S32 width, S32 height, const LLColor4& color, S32 border_width) const
-{
-	LLRect border_rect;
-	border_rect.setOriginAndSize(x, y, width, height);
-	border_rect.stretch(border_width, border_width);
-	drawSolid(border_rect, color);
-}
-
-S32 LLUIImage::getWidth() const
-{ 
-	// return clipped dimensions of actual image area
-	return llround((F32)mImage->getWidth(0) * mClipRegion.getWidth()); 
-}
-
-S32 LLUIImage::getHeight() const
-{ 
-	// return clipped dimensions of actual image area
-	return llround((F32)mImage->getHeight(0) * mClipRegion.getHeight()); 
-}
-
-S32 LLUIImage::getTextureWidth() const
-{
-	return mImage->getWidth(0);
-}
-
-S32 LLUIImage::getTextureHeight() const
-{
-	return mImage->getHeight(0);
-}
-
-boost::signals2::connection LLUIImage::addLoadedCallback( const image_loaded_signal_t::slot_type& cb ) 
-{
-	if (!mImageLoaded) 
-	{
-		mImageLoaded = new image_loaded_signal_t();
-	}
-	return mImageLoaded->connect(cb);
-}
-
-
-void LLUIImage::onImageLoaded()
-{
-	if (mImageLoaded)
-	{
-		(*mImageLoaded)();
-	}
-}
-
-
-namespace LLInitParam
-{
-	void ParamValue<LLUIImage*, TypeValues<LLUIImage*> >::updateValueFromBlock()
-	{
-		// The keyword "none" is specifically requesting a null image
-		// do not default to current value. Used to overwrite template images. 
-		if (name() == "none")
-		{
-			updateValue(NULL);
-			return;
-		}
-
-		LLUIImage* imagep =  LLUI::getUIImage(name());
-		if (imagep)
-		{
-			updateValue(imagep);
-		}
-	}
-	
-	void ParamValue<LLUIImage*, TypeValues<LLUIImage*> >::updateBlockFromValue(bool make_block_authoritative)
-	{
-		if (getValue() == NULL)
-		{
-			name.set("none", make_block_authoritative);
-		}
-		else
-		{
-			name.set(getValue()->getName(), make_block_authoritative);
-		}
-	}
-
-	
-	bool ParamCompare<LLUIImage*, false>::equals(
-		LLUIImage* const &a,
-		LLUIImage* const &b)
-	{
-		// force all LLUIImages for XML UI export to be "non-default"
-		if (!a && !b)
-			return false;
-		else
-			return (a == b);
-	}
-}
-
diff --git a/indra/llui/lluiimage.h b/indra/llui/lluiimage.h
deleted file mode 100644
index f07e8fa746..0000000000
--- a/indra/llui/lluiimage.h
+++ /dev/null
@@ -1,124 +0,0 @@
-/** 
- * @file lluiimage.h
- * @brief wrapper for images used in the UI that handles smart scaling, etc.
- *
- * $LicenseInfo:firstyear=2007&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#ifndef LL_LLUIIMAGE_H
-#define LL_LLUIIMAGE_H
-
-#include "v4color.h"
-#include "llpointer.h"
-#include "llrefcount.h"
-#include "llrefcount.h"
-#include "llrect.h"
-#include <boost/function.hpp>
-#include <boost/signals2.hpp>
-#include "llinitparam.h"
-#include "lltexture.h"
-
-extern const LLColor4 UI_VERTEX_COLOR;
-
-class LLUIImage : public LLRefCount
-{
-public:
-	typedef boost::signals2::signal<void (void)> image_loaded_signal_t;
-
-	LLUIImage(const std::string& name, LLPointer<LLTexture> image);
-	virtual ~LLUIImage();
-
-	void setClipRegion(const LLRectf& region);
-	void setScaleRegion(const LLRectf& region);
-
-	LLPointer<LLTexture> getImage() { return mImage; }
-	const LLPointer<LLTexture>& getImage() const { return mImage; }
-
-	void draw(S32 x, S32 y, S32 width, S32 height, const LLColor4& color = UI_VERTEX_COLOR) const;
-	void draw(S32 x, S32 y, const LLColor4& color = UI_VERTEX_COLOR) const;
-	void draw(const LLRect& rect, const LLColor4& color = UI_VERTEX_COLOR) const { draw(rect.mLeft, rect.mBottom, rect.getWidth(), rect.getHeight(), color); }
-	
-	void drawSolid(S32 x, S32 y, S32 width, S32 height, const LLColor4& color) const;
-	void drawSolid(const LLRect& rect, const LLColor4& color) const { drawSolid(rect.mLeft, rect.mBottom, rect.getWidth(), rect.getHeight(), color); }
-	void drawSolid(S32 x, S32 y, const LLColor4& color) const { drawSolid(x, y, getWidth(), getHeight(), color); }
-
-	void drawBorder(S32 x, S32 y, S32 width, S32 height, const LLColor4& color, S32 border_width) const;
-	void drawBorder(const LLRect& rect, const LLColor4& color, S32 border_width) const { drawBorder(rect.mLeft, rect.mBottom, rect.getWidth(), rect.getHeight(), color, border_width); }
-	void drawBorder(S32 x, S32 y, const LLColor4& color, S32 border_width) const { drawBorder(x, y, getWidth(), getHeight(), color, border_width); }
-	
-	const std::string& getName() const { return mName; }
-
-	virtual S32 getWidth() const;
-	virtual S32 getHeight() const;
-
-	// returns dimensions of underlying textures, which might not be equal to ui image portion
-	S32 getTextureWidth() const;
-	S32 getTextureHeight() const;
-
-	boost::signals2::connection addLoadedCallback( const image_loaded_signal_t::slot_type& cb );
-
-	void onImageLoaded();
-
-protected:
-	image_loaded_signal_t* mImageLoaded;
-
-	std::string			mName;
-	LLRectf				mScaleRegion;
-	LLRectf				mClipRegion;
-	LLPointer<LLTexture> mImage;
-	BOOL				mUniformScaling;
-	BOOL				mNoClip;
-};
-
-namespace LLInitParam
-{
-	template<>
-	class ParamValue<LLUIImage*, TypeValues<LLUIImage*> > 
-	:	public CustomParamValue<LLUIImage*>
-	{
-		typedef boost::add_reference<boost::add_const<LLUIImage*>::type>::type	T_const_ref;
-		typedef CustomParamValue<LLUIImage*> super_t;
-	public:
-		Optional<std::string> name;
-
-		ParamValue(LLUIImage* const& image)
-		:	super_t(image)
-		{
-			updateBlockFromValue(false);
-			addSynonym(name, "name");
-		}
-
-		void updateValueFromBlock();
-		void updateBlockFromValue(bool make_block_authoritative);
-	};
-
-	// Need custom comparison function for our test app, which only loads
-	// LLUIImage* as NULL.
-	template<>
-	struct ParamCompare<LLUIImage*, false>
-	{
-		static bool equals(LLUIImage* const &a, LLUIImage* const &b);
-	};
-}
-
-typedef LLPointer<LLUIImage> LLUIImagePtr;
-#endif
diff --git a/indra/llui/lluistring.cpp b/indra/llui/lluistring.cpp
index c4e073ccdb..c4e073ccdb 100644..100755
--- a/indra/llui/lluistring.cpp
+++ b/indra/llui/lluistring.cpp
diff --git a/indra/llui/lluistring.h b/indra/llui/lluistring.h
index cb40c85582..cb40c85582 100644..100755
--- a/indra/llui/lluistring.h
+++ b/indra/llui/lluistring.h
diff --git a/indra/llui/llundo.cpp b/indra/llui/llundo.cpp
index 06b0514223..06b0514223 100644..100755
--- a/indra/llui/llundo.cpp
+++ b/indra/llui/llundo.cpp
diff --git a/indra/llui/llundo.h b/indra/llui/llundo.h
index a6da550126..a6da550126 100644..100755
--- a/indra/llui/llundo.h
+++ b/indra/llui/llundo.h
diff --git a/indra/llui/llurlaction.cpp b/indra/llui/llurlaction.cpp
index fd9b3d9a6d..23e574cb74 100644..100755
--- a/indra/llui/llurlaction.cpp
+++ b/indra/llui/llurlaction.cpp
@@ -24,7 +24,6 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
-
 #include "linden_common.h"
 
 #include "llurlaction.h"
@@ -32,6 +31,7 @@
 #include "llwindow.h"
 #include "llurlregistry.h"
 
+
 // global state for the callback functions
 LLUrlAction::url_callback_t 		LLUrlAction::sOpenURLCallback;
 LLUrlAction::url_callback_t 		LLUrlAction::sOpenURLInternalCallback;
@@ -157,3 +157,76 @@ void LLUrlAction::showProfile(std::string url)
 		}
 	}
 }
+
+std::string LLUrlAction::getUserID(std::string url)
+{
+	LLURI uri(url);
+	LLSD path_array = uri.pathArray();
+	std::string id_str;
+	if (path_array.size() == 4)
+	{
+		id_str = path_array.get(2).asString();
+	}
+	return id_str;
+}
+
+std::string LLUrlAction::getObjectId(std::string url)
+{
+	LLURI uri(url);
+	LLSD path_array = uri.pathArray();
+	std::string id_str;
+	if (path_array.size() >= 3)
+	{
+		id_str = path_array.get(2).asString();
+	}
+	return id_str;
+}
+
+std::string LLUrlAction::getObjectName(std::string url)
+{
+	LLURI uri(url);
+	LLSD query_map = uri.queryMap();
+	std::string name;
+	if (query_map.has("name"))
+	{
+		name = query_map["name"].asString();
+	}
+	return name;
+}
+
+void LLUrlAction::sendIM(std::string url)
+{
+	std::string id_str = getUserID(url);
+	if (LLUUID::validate(id_str))
+	{
+		executeSLURL("secondlife:///app/agent/" + id_str + "/im");
+	}
+}
+
+void LLUrlAction::addFriend(std::string url)
+{
+	std::string id_str = getUserID(url);
+	if (LLUUID::validate(id_str))
+	{
+		executeSLURL("secondlife:///app/agent/" + id_str + "/requestfriend");
+	}
+}
+
+void LLUrlAction::removeFriend(std::string url)
+{
+	std::string id_str = getUserID(url);
+	if (LLUUID::validate(id_str))
+	{
+		executeSLURL("secondlife:///app/agent/" + id_str + "/removefriend");
+	}
+}
+
+void LLUrlAction::blockObject(std::string url)
+{
+	std::string object_id = getObjectId(url);
+	std::string object_name = getObjectName(url);
+	if (LLUUID::validate(object_id))
+	{
+		executeSLURL("secondlife:///app/agent/" + object_id + "/block/" + object_name);
+	}
+}
diff --git a/indra/llui/llurlaction.h b/indra/llui/llurlaction.h
index c34960b826..e731376b95 100644..100755
--- a/indra/llui/llurlaction.h
+++ b/indra/llui/llurlaction.h
@@ -76,6 +76,13 @@ public:
 
 	/// if the Url specifies an SL command in the form like 'app/{cmd}/{id}/*', show its profile
 	static void showProfile(std::string url);
+	static std::string getUserID(std::string url);
+	static std::string getObjectName(std::string url);
+	static std::string getObjectId(std::string url);
+	static void sendIM(std::string url);
+	static void addFriend(std::string url);
+	static void removeFriend(std::string url);
+	static void blockObject(std::string url);
 
 	/// specify the callbacks to enable this class's functionality
 	typedef boost::function<void (const std::string&)> url_callback_t;
diff --git a/indra/llui/llurlentry.cpp b/indra/llui/llurlentry.cpp
index a9e8fbb4e4..b1cc502c4b 100644..100755
--- a/indra/llui/llurlentry.cpp
+++ b/indra/llui/llurlentry.cpp
@@ -340,7 +340,8 @@ std::string LLUrlEntrySLURL::getLocation(const std::string &url) const
 // secondlife:///app/agent/0e346d8b-4433-4d66-a6b0-fd37083abc4c/about
 // x-grid-location-info://lincoln.lindenlab.com/app/agent/0e346d8b-4433-4d66-a6b0-fd37083abc4c/about
 //
-LLUrlEntryAgent::LLUrlEntryAgent()
+LLUrlEntryAgent::LLUrlEntryAgent() :
+	mAvatarNameCacheConnection()
 {
 	mPattern = boost::regex(APP_HEADER_REGEX "/agent/[\\da-f-]+/\\w+",
 							boost::regex::perl|boost::regex::icase);
@@ -371,7 +372,9 @@ void LLUrlEntryAgent::callObservers(const std::string &id,
 void LLUrlEntryAgent::onAvatarNameCache(const LLUUID& id,
 										const LLAvatarName& av_name)
 {
-	std::string label = av_name.getCompleteName();
+	mAvatarNameCacheConnection.disconnect();
+	
+ 	std::string label = av_name.getCompleteName();
 
 	// received the agent name from the server - tell our observers
 	callObservers(id.asString(), label, mIcon);
@@ -456,9 +459,11 @@ std::string LLUrlEntryAgent::getLabel(const std::string &url, const LLUrlLabelCa
 	}
 	else
 	{
-		LLAvatarNameCache::get(agent_id,
-			boost::bind(&LLUrlEntryAgent::onAvatarNameCache,
-				this, _1, _2));
+		if (mAvatarNameCacheConnection.connected())
+		{
+			mAvatarNameCacheConnection.disconnect();
+		}
+		mAvatarNameCacheConnection = LLAvatarNameCache::get(agent_id, boost::bind(&LLUrlEntryAgent::onAvatarNameCache, this, _1, _2));
 		addObserver(agent_id_string, url, cb);
 		return LLTrans::getString("LoadingData");
 	}
@@ -499,6 +504,10 @@ std::string localize_slapp_label(const std::string& url, const std::string& full
 	{
 		return LLTrans::getString("SLappAgentRequestFriend") + " " + full_name;
 	}
+	if (LLStringUtil::endsWith(url, "/removefriend"))
+	{
+		return LLTrans::getString("SLappAgentRemoveFriend") + " " + full_name;
+	}
 	return full_name;
 }
 
@@ -515,12 +524,15 @@ std::string LLUrlEntryAgent::getIcon(const std::string &url)
 // secondlife:///app/agent/0e346d8b-4433-4d66-a6b0-fd37083abc4c/(completename|displayname|username)
 // x-grid-location-info://lincoln.lindenlab.com/app/agent/0e346d8b-4433-4d66-a6b0-fd37083abc4c/(completename|displayname|username)
 //
-LLUrlEntryAgentName::LLUrlEntryAgentName()
+LLUrlEntryAgentName::LLUrlEntryAgentName() :
+	mAvatarNameCacheConnection()
 {}
 
 void LLUrlEntryAgentName::onAvatarNameCache(const LLUUID& id,
 										const LLAvatarName& av_name)
 {
+	mAvatarNameCacheConnection.disconnect();
+
 	std::string label = getName(av_name);
 	// received the agent name from the server - tell our observers
 	callObservers(id.asString(), label, mIcon);
@@ -554,9 +566,11 @@ std::string LLUrlEntryAgentName::getLabel(const std::string &url, const LLUrlLab
 	}
 	else
 	{
-		LLAvatarNameCache::get(agent_id,
-			boost::bind(&LLUrlEntryAgentCompleteName::onAvatarNameCache,
-				this, _1, _2));
+		if (mAvatarNameCacheConnection.connected())
+		{
+			mAvatarNameCacheConnection.disconnect();
+		}
+		mAvatarNameCacheConnection = LLAvatarNameCache::get(agent_id, boost::bind(&LLUrlEntryAgentName::onAvatarNameCache, this, _1, _2));
 		addObserver(agent_id_string, url, cb);
 		return LLTrans::getString("LoadingData");
 	}
@@ -597,7 +611,7 @@ LLUrlEntryAgentDisplayName::LLUrlEntryAgentDisplayName()
 
 std::string LLUrlEntryAgentDisplayName::getName(const LLAvatarName& avatar_name)
 {
-	return avatar_name.mDisplayName;
+	return avatar_name.getDisplayName();
 }
 
 //
@@ -613,7 +627,7 @@ LLUrlEntryAgentUserName::LLUrlEntryAgentUserName()
 
 std::string LLUrlEntryAgentUserName::getName(const LLAvatarName& avatar_name)
 {
-	return avatar_name.mUsername.empty() ? avatar_name.getLegacyName() : avatar_name.mUsername;
+	return avatar_name.getAccountName();
 }
 
 //
diff --git a/indra/llui/llurlentry.h b/indra/llui/llurlentry.h
index 5f82721c0f..8c6c32178a 100644..100755
--- a/indra/llui/llurlentry.h
+++ b/indra/llui/llurlentry.h
@@ -171,6 +171,13 @@ class LLUrlEntryAgent : public LLUrlEntryBase
 {
 public:
 	LLUrlEntryAgent();
+	~LLUrlEntryAgent()
+	{
+		if (mAvatarNameCacheConnection.connected())
+		{
+			mAvatarNameCacheConnection.disconnect();
+		}
+	}
 	/*virtual*/ std::string getLabel(const std::string &url, const LLUrlLabelCallback &cb);
 	/*virtual*/ std::string getIcon(const std::string &url);
 	/*virtual*/ std::string getTooltip(const std::string &string) const;
@@ -181,6 +188,7 @@ protected:
 	/*virtual*/ void callObservers(const std::string &id, const std::string &label, const std::string& icon);
 private:
 	void onAvatarNameCache(const LLUUID& id, const LLAvatarName& av_name);
+	boost::signals2::connection mAvatarNameCacheConnection;
 };
 
 ///
@@ -192,6 +200,13 @@ class LLUrlEntryAgentName : public LLUrlEntryBase, public boost::signals2::track
 {
 public:
 	LLUrlEntryAgentName();
+	~LLUrlEntryAgentName()
+	{
+		if (mAvatarNameCacheConnection.connected())
+		{
+			mAvatarNameCacheConnection.disconnect();
+		}
+	}
 	/*virtual*/ std::string getLabel(const std::string &url, const LLUrlLabelCallback &cb);
 	/*virtual*/ LLStyle::Params getStyle() const;
 protected:
@@ -199,6 +214,7 @@ protected:
 	virtual std::string getName(const LLAvatarName& avatar_name) = 0;
 private:
 	void onAvatarNameCache(const LLUUID& id, const LLAvatarName& av_name);
+	boost::signals2::connection mAvatarNameCacheConnection;
 };
 
 
diff --git a/indra/llui/llurlmatch.cpp b/indra/llui/llurlmatch.cpp
index c1f1382a9f..c1f1382a9f 100644..100755
--- a/indra/llui/llurlmatch.cpp
+++ b/indra/llui/llurlmatch.cpp
diff --git a/indra/llui/llurlmatch.h b/indra/llui/llurlmatch.h
index 2818f45207..2818f45207 100644..100755
--- a/indra/llui/llurlmatch.h
+++ b/indra/llui/llurlmatch.h
diff --git a/indra/llui/llurlregistry.cpp b/indra/llui/llurlregistry.cpp
index 523ee5d78c..523ee5d78c 100644..100755
--- a/indra/llui/llurlregistry.cpp
+++ b/indra/llui/llurlregistry.cpp
diff --git a/indra/llui/llurlregistry.h b/indra/llui/llurlregistry.h
index da16171a97..da16171a97 100644..100755
--- a/indra/llui/llurlregistry.h
+++ b/indra/llui/llurlregistry.h
diff --git a/indra/llui/llview.cpp b/indra/llui/llview.cpp
index ad9bec9f61..3613a40e2c 100644..100755
--- a/indra/llui/llview.cpp
+++ b/indra/llui/llview.cpp
@@ -55,6 +55,8 @@
 #include "lltexteditor.h"
 #include "lltextbox.h"
 
+static const S32 LINE_HEIGHT = 15;
+
 S32		LLView::sDepth = 0;
 bool	LLView::sDebugRects = false;
 bool	LLView::sDebugRectsShowNames = true;
@@ -349,7 +351,7 @@ void LLView::removeChild(LLView* child)
 	}
 	else
 	{
-		llwarns << child->getName() << "is not a child of " << getName() << llendl;
+		llwarns << "\"" << child->getName() << "\" is not a child of " << getName() << llendl;
 	}
 	updateBoundingRect();
 }
@@ -873,13 +875,12 @@ BOOL LLView::handleToolTip(S32 x, S32 y, MASK mask)
 		// allow "scrubbing" over ui by showing next tooltip immediately
 		// if previous one was still visible
 		F32 timeout = LLToolTipMgr::instance().toolTipVisible() 
-			? LLUI::sSettingGroups["config"]->getF32( "ToolTipFastDelay" )
-			: LLUI::sSettingGroups["config"]->getF32( "ToolTipDelay" );
+		              ? LLUI::sSettingGroups["config"]->getF32( "ToolTipFastDelay" )
+		              : LLUI::sSettingGroups["config"]->getF32( "ToolTipDelay" );
 		LLToolTipMgr::instance().show(LLToolTip::Params()
-			.message(tooltip)
-			.sticky_rect(calcScreenRect())
-			.delay_time(timeout));
-
+		                              .message(tooltip)
+		                              .sticky_rect(calcScreenRect())
+		                              .delay_time(timeout));
 		handled = TRUE;
 	}
 
@@ -1204,11 +1205,24 @@ void LLView::drawDebugRect()
 			&& preview_iter == sPreviewHighlightedElements.end()
 			&& sDebugRectsShowNames)
 		{
-			//char temp[256];
 			S32 x, y;
 			gGL.color4fv( border_color.mV );
-			x = debug_rect.getWidth()/2;
-			y = debug_rect.getHeight()/2;
+
+			x = debug_rect.getWidth() / 2;
+
+			S32 rect_height = debug_rect.getHeight();
+			S32 lines = rect_height / LINE_HEIGHT + 1;
+
+			S32 depth = 0;
+			LLView * viewp = this;
+			while (NULL != viewp)
+			{
+				viewp = viewp->getParent();
+				depth++;
+			}
+
+			y = rect_height - LINE_HEIGHT * (depth % lines + 1);
+
 			std::string debug_text = llformat("%s (%d x %d)", getName().c_str(),
 										debug_rect.getWidth(), debug_rect.getHeight());
 			LLFontGL::getFontSansSerifSmall()->renderUTF8(debug_text, 0, (F32)x, (F32)y, border_color,
diff --git a/indra/llui/llview.h b/indra/llui/llview.h
index 1c35349510..15b85a6418 100644..100755
--- a/indra/llui/llview.h
+++ b/indra/llui/llview.h
@@ -67,7 +67,6 @@ const BOOL	NOT_MOUSE_OPAQUE = FALSE;
 
 const U32 GL_NAME_UI_RESERVED = 2;
 
-
 // maintains render state during traversal of UI tree
 class LLViewDrawContext
 {
diff --git a/indra/llui/llviewborder.cpp b/indra/llui/llviewborder.cpp
index 919267dcc6..919267dcc6 100644..100755
--- a/indra/llui/llviewborder.cpp
+++ b/indra/llui/llviewborder.cpp
diff --git a/indra/llui/llviewborder.h b/indra/llui/llviewborder.h
index 413ce39744..413ce39744 100644..100755
--- a/indra/llui/llviewborder.h
+++ b/indra/llui/llviewborder.h
diff --git a/indra/llui/llviewinject.cpp b/indra/llui/llviewinject.cpp
index 46c5839f8e..46c5839f8e 100644..100755
--- a/indra/llui/llviewinject.cpp
+++ b/indra/llui/llviewinject.cpp
diff --git a/indra/llui/llviewinject.h b/indra/llui/llviewinject.h
index 0de3d155c4..0de3d155c4 100644..100755
--- a/indra/llui/llviewinject.h
+++ b/indra/llui/llviewinject.h
diff --git a/indra/llui/llviewmodel.cpp b/indra/llui/llviewmodel.cpp
index a9f8acc440..a9f8acc440 100644..100755
--- a/indra/llui/llviewmodel.cpp
+++ b/indra/llui/llviewmodel.cpp
diff --git a/indra/llui/llviewmodel.h b/indra/llui/llviewmodel.h
index ef2e314799..ef2e314799 100644..100755
--- a/indra/llui/llviewmodel.h
+++ b/indra/llui/llviewmodel.h
diff --git a/indra/llui/llviewquery.cpp b/indra/llui/llviewquery.cpp
index d0b78ba186..d0b78ba186 100644..100755
--- a/indra/llui/llviewquery.cpp
+++ b/indra/llui/llviewquery.cpp
diff --git a/indra/llui/llviewquery.h b/indra/llui/llviewquery.h
index 210f95162a..210f95162a 100644..100755
--- a/indra/llui/llviewquery.h
+++ b/indra/llui/llviewquery.h
diff --git a/indra/llui/llwindowshade.cpp b/indra/llui/llwindowshade.cpp
index f5c463c961..f5c463c961 100644..100755
--- a/indra/llui/llwindowshade.cpp
+++ b/indra/llui/llwindowshade.cpp
diff --git a/indra/llui/llwindowshade.h b/indra/llui/llwindowshade.h
index 6d753d1161..6d753d1161 100644..100755
--- a/indra/llui/llwindowshade.h
+++ b/indra/llui/llwindowshade.h
diff --git a/indra/llui/llxuiparser.cpp b/indra/llui/llxuiparser.cpp
index afc76024d1..6322da9123 100644..100755
--- a/indra/llui/llxuiparser.cpp
+++ b/indra/llui/llxuiparser.cpp
@@ -42,7 +42,7 @@
 #include <boost/spirit/include/classic_core.hpp>
 
 #include "lluicolor.h"
-
+#include "v3math.h"
 using namespace BOOST_SPIRIT_CLASSIC_NS;
 
 const S32 MAX_STRING_ATTRIBUTE_SIZE = 40;
@@ -79,7 +79,6 @@ struct Occurs : public LLInitParam::Block<Occurs>
 	{}
 };
 
-
 typedef enum
 {
 	USE_REQUIRED,
@@ -101,14 +100,23 @@ namespace LLInitParam
 
 struct Element;
 struct Group;
-struct Choice;
 struct Sequence;
-struct Any;
+
+struct All : public LLInitParam::Block<All, Occurs>
+{
+	Multiple< Lazy<Element, IS_A_BLOCK> > elements;
+
+	All()
+	:	elements("element")
+	{
+		maxOccurs = 1;
+	}
+};
 
 struct Attribute : public LLInitParam::Block<Attribute>
 {
-	Mandatory<std::string>	name;
-	Mandatory<std::string>	type;
+	Mandatory<std::string>	name,
+							type;
 	Mandatory<EUse>			use;
 	
 	Attribute()
@@ -127,24 +135,13 @@ struct Any : public LLInitParam::Block<Any, Occurs>
 	{}
 };
 
-struct All : public LLInitParam::Block<All, Occurs>
-{
-	Multiple< Lazy<Element> > elements;
-
-	All()
-	:	elements("element")
-	{
-		maxOccurs = 1;
-	}
-};
-
 struct Choice : public LLInitParam::ChoiceBlock<Choice, Occurs>
 {
-	Alternative< Lazy<Element> >	element;
-	Alternative< Lazy<Group> >		group;
-	Alternative< Lazy<Choice> >		choice;
-	Alternative< Lazy<Sequence> >	sequence;
-	Alternative< Lazy<Any> >		any;
+	Alternative< Lazy<Element, IS_A_BLOCK> >	element;
+	Alternative< Lazy<Group, IS_A_BLOCK> >		group;
+	Alternative< Lazy<Choice, IS_A_BLOCK> >		choice;
+	Alternative< Lazy<Sequence, IS_A_BLOCK> >	sequence;
+	Alternative< Lazy<Any> >					any;
 
 	Choice()
 	:	element("element"),
@@ -158,11 +155,11 @@ struct Choice : public LLInitParam::ChoiceBlock<Choice, Occurs>
 
 struct Sequence : public LLInitParam::ChoiceBlock<Sequence, Occurs>
 {
-	Alternative< Lazy<Element> >	element;
-	Alternative< Lazy<Group> >		group;
-	Alternative< Lazy<Choice> >		choice;
-	Alternative< Lazy<Sequence> >	sequence;
-	Alternative< Lazy<Any> >		any;
+	Alternative< Lazy<Element, IS_A_BLOCK> >	element;
+	Alternative< Lazy<Group, IS_A_BLOCK> >		group;
+	Alternative< Lazy<Choice> >					choice;
+	Alternative< Lazy<Sequence, IS_A_BLOCK> >	sequence;
+	Alternative< Lazy<Any> >					any;
 };
 
 struct GroupContents : public LLInitParam::ChoiceBlock<GroupContents, Occurs>
@@ -247,7 +244,7 @@ struct ComplexType : public LLInitParam::Block<ComplexType, ComplexTypeContents>
 	Optional<bool>					mixed;
 
 	Multiple<Attribute>				attribute;
-	Multiple< Lazy<Element> >			elements;
+	Multiple< Lazy<Element, IS_A_BLOCK > >			elements;
 
 	ComplexType()
 	:	name("name"),
@@ -313,7 +310,6 @@ public:
 			setNameSpace(ns);
 		};
 	}
-
 };
 
 //
@@ -625,7 +621,7 @@ void LLXUIXSDWriter::writeXSD(const std::string& type_name, const std::string& p
 			nodep->createChild("schemaLocation", true)->setStringValue(widget_name + ".xsd");
 			
 			// add to front of schema
-			mSchemaNode->addChild(nodep, mSchemaNode);
+			mSchemaNode->addChild(nodep);
 		}
 
 		for (widget_registry_t::Registrar::registry_map_t::const_iterator it = widget_registryp->currentRegistrar().beginItems();
@@ -670,6 +666,7 @@ LLXUIParser::LLXUIParser()
 		registerParserFuncs<S32>(readS32Value, writeS32Value);
 		registerParserFuncs<F32>(readF32Value, writeF32Value);
 		registerParserFuncs<F64>(readF64Value, writeF64Value);
+		registerParserFuncs<LLVector3>(readVector3Value, writeVector3Value);
 		registerParserFuncs<LLColor4>(readColor4Value, writeColor4Value);
 		registerParserFuncs<LLUIColor>(readUIColorValue, writeUIColorValue);
 		registerParserFuncs<LLUUID>(readUUIDValue, writeUUIDValue);
@@ -880,16 +877,24 @@ LLXMLNodePtr LLXUIParser::getNode(name_stack_t& stack)
 		it = next_it)
 	{
 		++next_it;
+		bool force_new_node = false;
+
 		if (it->first.empty())
 		{
 			it->second = false;
 			continue;
 		}
 
+		if (next_it != stack.end() && next_it->first.empty() && next_it->second)
+		{
+			force_new_node = true;
+		}
+
+
 		out_nodes_t::iterator found_it = mOutNodes.find(it->first);
 
 		// node with this name not yet written
-		if (found_it == mOutNodes.end() || it->second)
+		if (found_it == mOutNodes.end() || it->second || force_new_node)
 		{
 			// make an attribute if we are the last element on the name stack
 			bool is_attribute = next_it == stack.end();
@@ -1144,6 +1149,31 @@ bool LLXUIParser::writeF64Value(Parser& parser, const void* val_ptr, name_stack_
 	return false;
 }
 
+bool LLXUIParser::readVector3Value(Parser& parser, void* val_ptr)
+{
+	LLXUIParser& self = static_cast<LLXUIParser&>(parser);
+	LLVector3* vecp = (LLVector3*)val_ptr;
+	if(self.mCurReadNode->getFloatValue(3, vecp->mV) >= 3)
+	{
+		return true;
+	}
+
+	return false;
+}
+
+bool LLXUIParser::writeVector3Value(Parser& parser, const void* val_ptr, name_stack_t& stack)
+{
+	LLXUIParser& self = static_cast<LLXUIParser&>(parser);
+	LLXMLNodePtr node = self.getNode(stack);
+	if (node.notNull())
+	{
+		LLVector3 vector = *((LLVector3*)val_ptr);
+		node->setFloatValue(3, vector.mV);
+		return true;
+	}
+	return false;
+}
+
 bool LLXUIParser::readColor4Value(Parser& parser, void* val_ptr)
 {
 	LLXUIParser& self = static_cast<LLXUIParser&>(parser);
@@ -1279,10 +1309,8 @@ bool LLXUIParser::writeSDValue(Parser& parser, const void* val_ptr, name_stack_t
 void LLXUIParser::parserWarning(const std::string& message)
 {
 #ifdef LL_WINDOWS
-	// use Visual Studo friendly formatting of output message for easy access to originating xml
-	llutf16string utf16str = utf8str_to_utf16str(llformat("%s(%d):\t%s", mCurFileName.c_str(), mCurReadNode->getLineNumber(), message.c_str()).c_str());
-	utf16str += '\n';
-	OutputDebugString(utf16str.c_str());
+	// use Visual Studio friendly formatting of output message for easy access to originating xml
+	LL_WINDOWS_OUTPUT_DEBUG(llformat("%s(%d):\t%s", mCurFileName.c_str(), mCurReadNode->getLineNumber(), message.c_str()));
 #else
 	Parser::parserWarning(message);
 #endif
@@ -1291,9 +1319,8 @@ void LLXUIParser::parserWarning(const std::string& message)
 void LLXUIParser::parserError(const std::string& message)
 {
 #ifdef LL_WINDOWS
-	llutf16string utf16str = utf8str_to_utf16str(llformat("%s(%d):\t%s", mCurFileName.c_str(), mCurReadNode->getLineNumber(), message.c_str()).c_str());
-	utf16str += '\n';
-	OutputDebugString(utf16str.c_str());
+        // use Visual Studio friendly formatting of output message for easy access to originating xml
+	LL_WINDOWS_OUTPUT_DEBUG(llformat("%s(%d):\t%s", mCurFileName.c_str(), mCurReadNode->getLineNumber(), message.c_str()));
 #else
 	Parser::parserError(message);
 #endif
@@ -1610,10 +1637,8 @@ bool LLSimpleXUIParser::processText()
 void LLSimpleXUIParser::parserWarning(const std::string& message)
 {
 #ifdef LL_WINDOWS
-	// use Visual Studo friendly formatting of output message for easy access to originating xml
-	llutf16string utf16str = utf8str_to_utf16str(llformat("%s(%d):\t%s", mCurFileName.c_str(), LINE_NUMBER_HERE, message.c_str()).c_str());
-	utf16str += '\n';
-	OutputDebugString(utf16str.c_str());
+	// use Visual Studio friendly formatting of output message for easy access to originating xml
+	LL_WINDOWS_OUTPUT_DEBUG(llformat("%s(%d):\t%s", mCurFileName.c_str(), LINE_NUMBER_HERE, message.c_str()));
 #else
 	Parser::parserWarning(message);
 #endif
@@ -1622,9 +1647,8 @@ void LLSimpleXUIParser::parserWarning(const std::string& message)
 void LLSimpleXUIParser::parserError(const std::string& message)
 {
 #ifdef LL_WINDOWS
-	llutf16string utf16str = utf8str_to_utf16str(llformat("%s(%d):\t%s", mCurFileName.c_str(), LINE_NUMBER_HERE, message.c_str()).c_str());
-	utf16str += '\n';
-	OutputDebugString(utf16str.c_str());
+        // use Visual Studio friendly formatting of output message for easy access to originating xml
+	LL_WINDOWS_OUTPUT_DEBUG(llformat("%s(%d):\t%s", mCurFileName.c_str(), LINE_NUMBER_HERE, message.c_str()));
 #else
 	Parser::parserError(message);
 #endif
diff --git a/indra/llui/llxuiparser.h b/indra/llui/llxuiparser.h
index d7cd256967..e48663e5cc 100644..100755
--- a/indra/llui/llxuiparser.h
+++ b/indra/llui/llxuiparser.h
@@ -127,6 +127,7 @@ private:
 	static bool readS32Value(Parser& parser, void* val_ptr);
 	static bool readF32Value(Parser& parser, void* val_ptr);
 	static bool readF64Value(Parser& parser, void* val_ptr);
+	static bool readVector3Value(Parser& parser, void* val_ptr);
 	static bool readColor4Value(Parser& parser, void* val_ptr);
 	static bool readUIColorValue(Parser& parser, void* val_ptr);
 	static bool readUUIDValue(Parser& parser, void* val_ptr);
@@ -144,6 +145,7 @@ private:
 	static bool writeS32Value(Parser& parser, const void* val_ptr, name_stack_t&);
 	static bool writeF32Value(Parser& parser, const void* val_ptr, name_stack_t&);
 	static bool writeF64Value(Parser& parser, const void* val_ptr, name_stack_t&);
+	static bool writeVector3Value(Parser& parser, const void* val_ptr, name_stack_t&);
 	static bool writeColor4Value(Parser& parser, const void* val_ptr, name_stack_t&);
 	static bool writeUIColorValue(Parser& parser, const void* val_ptr, name_stack_t&);
 	static bool writeUUIDValue(Parser& parser, const void* val_ptr, name_stack_t&);
diff --git a/indra/llui/tests/llurlentry_stub.cpp b/indra/llui/tests/llurlentry_stub.cpp
index 74ed72ef97..5d3f9ac327 100644..100755
--- a/indra/llui/tests/llurlentry_stub.cpp
+++ b/indra/llui/tests/llurlentry_stub.cpp
@@ -46,11 +46,6 @@ LLAvatarNameCache::callback_connection_t LLAvatarNameCache::get(const LLUUID& ag
 	return connection;
 }
 
-bool LLAvatarNameCache::useDisplayNames()
-{
-	return false;
-}
-
 //
 // Stub implementation for LLCacheName
 //
@@ -106,14 +101,14 @@ LLStyle::Params::Params()
 
 namespace LLInitParam
 {
-	ParamValue<LLUIColor, TypeValues<LLUIColor> >::ParamValue(const LLUIColor& color)
+	ParamValue<LLUIColor>::ParamValue(const LLUIColor& color)
 	:	super_t(color)
 	{}
 
-	void ParamValue<LLUIColor, TypeValues<LLUIColor> >::updateValueFromBlock() 
+	void ParamValue<LLUIColor>::updateValueFromBlock() 
 	{}
 	
-	void ParamValue<LLUIColor, TypeValues<LLUIColor> >::updateBlockFromValue(bool)
+	void ParamValue<LLUIColor>::updateBlockFromValue(bool)
 	{}
 
 	bool ParamCompare<const LLFontGL*, false>::equals(const LLFontGL* a, const LLFontGL* b)
@@ -121,14 +116,14 @@ namespace LLInitParam
 		return false;
 	}
 
-	ParamValue<const LLFontGL*, TypeValues<const LLFontGL*> >::ParamValue(const LLFontGL* fontp)
+	ParamValue<const LLFontGL*>::ParamValue(const LLFontGL* fontp)
 	:	super_t(fontp)
 	{}
 
-	void ParamValue<const LLFontGL*, TypeValues<const LLFontGL*> >::updateValueFromBlock()
+	void ParamValue<const LLFontGL*>::updateValueFromBlock()
 	{}
 	
-	void ParamValue<const LLFontGL*, TypeValues<const LLFontGL*> >::updateBlockFromValue(bool)
+	void ParamValue<const LLFontGL*>::updateBlockFromValue(bool)
 	{}
 
 	void TypeValues<LLFontGL::HAlign>::declareValues()
@@ -140,10 +135,10 @@ namespace LLInitParam
 	void TypeValues<LLFontGL::ShadowType>::declareValues()
 	{}
 
-	void ParamValue<LLUIImage*, TypeValues<LLUIImage*> >::updateValueFromBlock()
+	void ParamValue<LLUIImage*>::updateValueFromBlock()
 	{}
 	
-	void ParamValue<LLUIImage*, TypeValues<LLUIImage*> >::updateBlockFromValue(bool)
+	void ParamValue<LLUIImage*>::updateBlockFromValue(bool)
 	{}
 
 	
diff --git a/indra/llui/tests/llurlentry_test.cpp b/indra/llui/tests/llurlentry_test.cpp
index 8f0a48018f..c3f0e92cb0 100644..100755
--- a/indra/llui/tests/llurlentry_test.cpp
+++ b/indra/llui/tests/llurlentry_test.cpp
@@ -31,7 +31,7 @@
 #include "llurlentry_stub.cpp"
 #include "lltut.h"
 #include "../lluicolortable.h"
-#include "../lluiimage.h"
+#include "../llrender/lluiimage.h"
 
 #include <boost/regex.hpp>
 
diff --git a/indra/llui/tests/llurlmatch_test.cpp b/indra/llui/tests/llurlmatch_test.cpp
index 963473c92a..55c1efefef 100644..100755
--- a/indra/llui/tests/llurlmatch_test.cpp
+++ b/indra/llui/tests/llurlmatch_test.cpp
@@ -28,7 +28,7 @@
 #include "linden_common.h"
 
 #include "../llurlmatch.h"
-#include "../lluiimage.h"
+#include "../llrender/lluiimage.h"
 #include "lltut.h"
 
 // link seams
@@ -63,14 +63,14 @@ S32 LLUIImage::getHeight() const
 
 namespace LLInitParam
 {
-	ParamValue<LLUIColor, TypeValues<LLUIColor> >::ParamValue(const LLUIColor& color)
+	ParamValue<LLUIColor>::ParamValue(const LLUIColor& color)
 	:	super_t(color)
 	{}
 
-	void ParamValue<LLUIColor, TypeValues<LLUIColor> >::updateValueFromBlock()
+	void ParamValue<LLUIColor>::updateValueFromBlock()
 	{}
 	
-	void ParamValue<LLUIColor, TypeValues<LLUIColor> >::updateBlockFromValue(bool)
+	void ParamValue<LLUIColor>::updateBlockFromValue(bool)
 	{}
 
 	bool ParamCompare<const LLFontGL*, false>::equals(const LLFontGL* a, const LLFontGL* b)
@@ -79,14 +79,14 @@ namespace LLInitParam
 	}
 
 
-	ParamValue<const LLFontGL*, TypeValues<const LLFontGL*> >::ParamValue(const LLFontGL* fontp)
+	ParamValue<const LLFontGL*>::ParamValue(const LLFontGL* fontp)
 	:	super_t(fontp)
 	{}
 
-	void ParamValue<const LLFontGL*, TypeValues<const LLFontGL*> >::updateValueFromBlock()
+	void ParamValue<const LLFontGL*>::updateValueFromBlock()
 	{}
 	
-	void ParamValue<const LLFontGL*, TypeValues<const LLFontGL*> >::updateBlockFromValue(bool)
+	void ParamValue<const LLFontGL*>::updateBlockFromValue(bool)
 	{}
 
 	void TypeValues<LLFontGL::HAlign>::declareValues()
@@ -98,10 +98,10 @@ namespace LLInitParam
 	void TypeValues<LLFontGL::ShadowType>::declareValues()
 	{}
 
-	void ParamValue<LLUIImage*, TypeValues<LLUIImage*> >::updateValueFromBlock()
+	void ParamValue<LLUIImage*>::updateValueFromBlock()
 	{}
 	
-	void ParamValue<LLUIImage*, TypeValues<LLUIImage*> >::updateBlockFromValue(bool)
+	void ParamValue<LLUIImage*>::updateBlockFromValue(bool)
 	{}
 	
 	bool ParamCompare<LLUIImage*, false>::equals(