Merge

584 files changed, 6609 insertions, 12488 deletions

diff --git a/.hgtags b/.hgtags
index d3172eb75a..f761bdc158 100644
--- a/.hgtags
+++ b/.hgtags
@@ -22,3 +22,5 @@ c6969fe44e58c542bfc6f1bd6c0be2fa860929ac 2-1-beta-4
 d2382d374139850efa5bb6adfb229e3e656cfc40 howard-demo
 d40ac9dd949cba6dab1cc386da6a2027690c2519 alpha-5
 d6781e22543acd7e21b967209f3c6e7003d380e3 fork to viewer-2-0
+c6e6324f5be1401f077ad18a4a0f6b46451c2f7b last_sprint
+7076e22f9f43f479a4ea75eac447a36364bead5a beta_2.1.3
diff --git a/BuildParams b/BuildParams
index 25b8040004..090f523699 100644
--- a/BuildParams
+++ b/BuildParams
@@ -79,6 +79,14 @@ brad-parabuild.build_server = false
 brad-parabuild.build_server_tests = false
 
 # ========================================
+# CG
+# ========================================
+
+cg_viewer-development_lenny.collect_metrics = true
+cg_viewer-development_lenny.show_changes_since = 4b140ce7839d
+cg_viewer-development_lenny.email = cg@lindenlab.com
+
+# ========================================
 # gooey
 # ========================================
 
diff --git a/build.sh b/build.sh
index 806e0fada7..7773cbb36c 100755
--- a/build.sh
+++ b/build.sh
@@ -64,7 +64,8 @@ pre_build()
     -DVIEWER_LOGIN_CHANNEL:STRING="$login_channel" \
     -DINSTALL_PROPRIETARY:BOOL=ON \
     -DLOCALIZESETUP:BOOL=ON \
-    -DPACKAGE:BOOL=ON
+    -DPACKAGE:BOOL=ON \
+    -DCMAKE_VERBOSE_MAKEFILE:BOOL=TRUE
   end_section "Pre$variant"
 }
 
@@ -223,7 +224,10 @@ do
       fi
     else
       begin_section "Build$variant"
-      build "$variant" "$build_dir" 2>&1 | tee -a "$build_log" | grep --line-buffered "^##teamcity"
+      build "$variant" "$build_dir" > "$build_log" 2>&1
+      begin_section Tests
+      grep --line-buffered "^##teamcity" "$build_log"
+      end_section Tests
       if `cat "$build_dir/build_ok"`
       then
         echo so far so good.
@@ -252,13 +256,15 @@ then
     begin_section "Build$variant"
     build_dir=`build_dir_$arch $variant`
     build_dir_stubs="$build_dir/win_setup/$variant"
-    tee -a $build_log < "$build_dir/build.log" | grep --line-buffered "^##teamcity"
     if `cat "$build_dir/build_ok"`
     then
       echo so far so good.
     else
       record_failure "Parallel build of \"$variant\" failed."
     fi
+    begin_section Tests
+    tee -a $build_log < "$build_dir/build.log" | grep --line-buffered "^##teamcity"
+    end_section Tests
     end_section "Build$variant"
   done
   end_section WaitParallel
@@ -279,6 +285,7 @@ then
       succeeded=$build_coverity
     else
       upload_item installer "$package" binary/octet-stream
+      upload_item quicklink "$package" binary/octet-stream
 
       # Upload crash reporter files.
       case "$last_built_variant" in
diff --git a/doc/contributions.txt b/doc/contributions.txt
index 5892a8081d..7087cf4bb8 100644
--- a/doc/contributions.txt
+++ b/doc/contributions.txt
@@ -20,6 +20,7 @@ Aimee Trescothick
 	SNOW-227
 	SNOW-570
 	SNOW-572
+	SNOW-575
 	VWR-3321
 	VWR-3336
 	VWR-3903
@@ -33,6 +34,7 @@ Aimee Trescothick
 	VWR-6550
 	VWR-6583
 	VWR-6482
+	VWR-6918
 	VWR-7109
 	VWR-7383
 	VWR-7800
@@ -59,13 +61,17 @@ Aimee Trescothick
 Alejandro Rosenthal
 	VWR-1184
 Aleric Inglewood
+	SNOW-522
+	SNOW-764
 	VWR-10001
 	VWR-10759
 	VWR-10837
 	VWR-12691
 	VWR-13996
 	VWR-14426
+	SNOW-84
 	SNOW-766
+	STORM-163
 Ales Beaumont
 	VWR-9352
 	SNOW-240
@@ -162,7 +168,10 @@ Boroondas Gupte
 	SNOW-527
 	SNOW-610
 	SNOW-624
+	SNOW-737
 	VWR-233
+	VWR-20583
+	VWR-20891
 	WEB-262
 Bulli Schumann
 	CT-218
@@ -379,6 +388,7 @@ Matthew Dowd
 	VWR-1761
 	VWR-2681
 McCabe Maxsted
+	SNOW-387
 	VWR-1318
 	VWR-4065
 	VWR-4826
@@ -555,6 +565,7 @@ Robin Cornelius
 	VWR-12758
 	VWR-12763
 	VWR-12995
+	VWR-20911
 Ryozu Kojima
 	VWR-53
 	VWR-287
@@ -644,9 +655,13 @@ Teardrops Fall
 	VWR-5366
 Techwolf Lupindo
 	SNOW-92
+	SNOW-592
 	SNOW-649
+	SNOW-650
+	SNOW-687
 	SNOW-680
 	SNOW-681
+	SNOW-685
 	SNOW-690
 	VWR-12385
 tenebrous pau
@@ -655,9 +670,12 @@ Tharax Ferraris
 	VWR-605
 Thickbrick Sleaford
 	SNOW-207
+	SNOW-390
 	SNOW-421
 	SNOW-462
 	SNOW-586
+	SNOW-592
+	SNOW-635
 	SNOW-743
 	VWR-7109
 	VWR-9287
diff --git a/indra/cmake/Copy3rdPartyLibs.cmake b/indra/cmake/Copy3rdPartyLibs.cmake
index 2dd296bf12..95ed5d6bc8 100644
--- a/indra/cmake/Copy3rdPartyLibs.cmake
+++ b/indra/cmake/Copy3rdPartyLibs.cmake
@@ -221,6 +221,7 @@ elseif(LINUX)
         libcrypto.so.0.9.7
         libdb-4.2.so
         libexpat.so
+        libexpat.so.1
         libgmock_main.so
         libgmock.so.0
         libgmodule-2.0.so
diff --git a/indra/cmake/PNG.cmake b/indra/cmake/PNG.cmake
index 4d0b7b2d8d..f6522d9e2f 100644
--- a/indra/cmake/PNG.cmake
+++ b/indra/cmake/PNG.cmake
@@ -9,5 +9,5 @@ if (STANDALONE)
 else (STANDALONE)
   use_prebuilt_binary(libpng)
   set(PNG_LIBRARIES png12)
-  set(PNG_INCLUDE_DIRS ${LIBS_PREBUILT_DIR}/include)
+  set(PNG_INCLUDE_DIRS ${LIBS_PREBUILT_DIR}/include/libpng12)
 endif (STANDALONE)
diff --git a/indra/cmake/Variables.cmake b/indra/cmake/Variables.cmake
index bfaf3f4f26..230e228c62 100644
--- a/indra/cmake/Variables.cmake
+++ b/indra/cmake/Variables.cmake
@@ -54,19 +54,20 @@ if (${CMAKE_SYSTEM_NAME} MATCHES "Linux")
   set(LINUX ON BOOl FORCE)
 
   # If someone has specified a word size, use that to determine the
-  # architecture.  Otherwise, let the architecture specify the word size.
+  # architecture.  Otherwise, let the compiler specify the word size.
+  # Using uname will break under chroots and other cross arch compiles. RC
   if (WORD_SIZE EQUAL 32)
     set(ARCH i686)
   elseif (WORD_SIZE EQUAL 64)
     set(ARCH x86_64)
   else (WORD_SIZE EQUAL 32)
-    execute_process(COMMAND uname -m COMMAND sed s/i.86/i686/
-                    OUTPUT_VARIABLE ARCH OUTPUT_STRIP_TRAILING_WHITESPACE)
-    if (ARCH STREQUAL x86_64)
-      set(WORD_SIZE 64)
-    else (ARCH STREQUAL x86_64)
+    if(CMAKE_SIZEOF_VOID_P MATCHES 4)
+      set(ARCH i686)
       set(WORD_SIZE 32)
-    endif (ARCH STREQUAL x86_64)
+    else(CMAKE_SIZEOF_VOID_P MATCHES 4)
+      set(ARCH x86_64)
+      set(WORD_SIZE 64)
+    endif(CMAKE_SIZEOF_VOID_P MATCHES 4)
   endif (WORD_SIZE EQUAL 32)
 
   set(LL_ARCH ${ARCH}_linux)
diff --git a/indra/cmake/run_build_test.py b/indra/cmake/run_build_test.py
index ffc32525a4..37aa75e364 100644
--- a/indra/cmake/run_build_test.py
+++ b/indra/cmake/run_build_test.py
@@ -82,10 +82,24 @@ def main(command, libpath=[], vars={}):
         dirs = os.environ.get(var, "").split(os.pathsep)
         # Append the sequence in libpath
         print "%s += %r" % (var, libpath)
-        dirs.extend(libpath)
+        for dir in libpath:
+            # append system paths at the end
+            if dir in ('/lib', '/usr/lib'):
+                dirs.append(dir)
+            # prepend non-system paths
+            else:
+                dirs.insert(0, dir)
+
+        # Filter out some useless pieces
+        clean_dirs = []
+        for dir in dirs:
+            if dir and dir not in ('', '.'):
+                clean_dirs.append(dir)
+
         # Now rebuild the path string. This way we use a minimum of separators
         # -- and we avoid adding a pointless separator when libpath is empty.
-        os.environ[var] = os.pathsep.join(dirs)
+        os.environ[var] = os.pathsep.join(clean_dirs)
+        print "%s = %r" % (var, os.environ[var])
     # Now handle arbitrary environment variables. The tricky part is ensuring
     # that all the keys and values we try to pass are actually strings.
     if vars:
diff --git a/indra/integration_tests/llui_libtest/llui_libtest.cpp b/indra/integration_tests/llui_libtest/llui_libtest.cpp
index 713b82509e..1f15b73182 100644
--- a/indra/integration_tests/llui_libtest/llui_libtest.cpp
+++ b/indra/integration_tests/llui_libtest/llui_libtest.cpp
@@ -185,10 +185,9 @@ void export_test_floaters()
 		// Build a floater and output new attributes
 		LLXMLNodePtr output_node = new LLXMLNode();
 		LLFloater* floater = new LLFloater(LLSD());
-		LLUICtrlFactory::getInstance()->buildFloater(floater,
-													 filename,
-												//	 FALSE,	// don't open floater
-													 output_node);
+		floater->buildFromFile(	filename,
+								//	 FALSE,	// don't open floater
+								output_node);
 		std::string out_filename = xui_dir + filename;
 		std::string::size_type extension_pos = out_filename.rfind(".xml");
 		out_filename.resize(extension_pos);
diff --git a/indra/integration_tests/llui_libtest/llwidgetreg.cpp b/indra/integration_tests/llui_libtest/llwidgetreg.cpp
index b4921faece..0d0d9fbff6 100644
--- a/indra/integration_tests/llui_libtest/llwidgetreg.cpp
+++ b/indra/integration_tests/llui_libtest/llwidgetreg.cpp
@@ -78,7 +78,7 @@ void LLWidgetReg::initClass(bool register_widgets)
 		LLDefaultChildRegistry::Register<LLMultiSlider> multi_slider_bar("multi_slider_bar");
 		LLDefaultChildRegistry::Register<LLMultiSliderCtrl> multi_slider("multi_slider");
 		LLDefaultChildRegistry::Register<LLPanel> panel("panel", &LLPanel::fromXML);
-		LLDefaultChildRegistry::Register<LLLayoutStack> layout_stack("layout_stack", &LLLayoutStack::fromXML);
+		LLDefaultChildRegistry::Register<LLLayoutStack> layout_stack("layout_stack");
 		LLDefaultChildRegistry::Register<LLProgressBar> progress_bar("progress_bar");
 		LLDefaultChildRegistry::Register<LLRadioGroup> radio_group("radio_group");
 		LLDefaultChildRegistry::Register<LLSearchEditor> search_editor("search_editor");
diff --git a/indra/lib/python/indra/util/named_query.py b/indra/lib/python/indra/util/named_query.py
index 5c19368240..6bf956107d 100644
--- a/indra/lib/python/indra/util/named_query.py
+++ b/indra/lib/python/indra/util/named_query.py
@@ -36,14 +36,6 @@ import os.path
 import re
 import time
 
-#import sys # *TODO: remove. only used in testing.
-#import pprint # *TODO: remove. only used in testing.
-
-try:
-    set = set
-except NameError:
-    from sets import Set as set
-
 from indra.base import llsd
 from indra.base import config
 
@@ -195,8 +187,6 @@ class NamedQuery(object):
         style. It also has to look for %:name% and :name% and
         ready them for use in LIKE statements"""
         if sql:
-            #print >>sys.stderr, "sql:",sql
-            
             # This first sub is to properly escape any % signs that
             # are meant to be literally passed through to mysql in the
             # query.  It leaves any %'s that are used for
@@ -408,7 +398,6 @@ class NamedQuery(object):
         # build the query from the options available and the params
         base_query = []
         base_query.append(self._base_query)
-        #print >>sys.stderr, "base_query:",base_query
         for opt, extra_where in self._options.items():
             if type(extra_where) in (dict, list, tuple):
                 if opt in params:
@@ -418,7 +407,6 @@ class NamedQuery(object):
                     base_query.append(extra_where)
         if self._query_suffix:
             base_query.append(self._query_suffix)
-        #print >>sys.stderr, "base_query:",base_query
         full_query = '\n'.join(base_query)
 
         # Go through the query and rewrite all of the ones with the
diff --git a/indra/lib/python/uuid.py b/indra/lib/python/uuid.py
index 48dac84377..0bc21a35f8 100644
--- a/indra/lib/python/uuid.py
+++ b/indra/lib/python/uuid.py
@@ -446,8 +446,14 @@ def uuid1(node=None, clock_seq=None):
 
 def uuid3(namespace, name):
     """Generate a UUID from the MD5 hash of a namespace UUID and a name."""
-    import md5
-    hash = md5.md5(namespace.bytes + name).digest()
+    try:
+        # Python 2.6
+        from hashlib import md5
+    except ImportError:
+        # Python 2.5 and earlier
+        from md5 import new as md5
+        
+    hash = md5(namespace.bytes + name).digest()
     return UUID(bytes=hash[:16], version=3)
 
 def uuid4():
diff --git a/indra/llaudio/llaudioengine.cpp b/indra/llaudio/llaudioengine.cpp
index 8843acc891..1cc03bddb8 100644
--- a/indra/llaudio/llaudioengine.cpp
+++ b/indra/llaudio/llaudioengine.cpp
@@ -97,6 +97,7 @@ void LLAudioEngine::setDefaults()
 	}
 
 	mMasterGain = 1.f;
+	mInternalGain = 0.f;
 	mNextWindUpdate = 0.f;
 
 	mStreamingAudioImpl = NULL;
@@ -247,15 +248,6 @@ void LLAudioEngine::idle(F32 max_decode_time)
 	// Primarily does position updating, cleanup of unused audio sources.
 	// Also does regeneration of the current priority of each audio source.
 
-	if (getMuted())
-	{
-		setInternalGain(0.f);
-	}
-	else
-	{
-		setInternalGain(getMasterGain());
-	}
-
 	S32 i;
 	for (i = 0; i < MAX_BUFFERS; i++)
 	{
@@ -284,6 +276,12 @@ void LLAudioEngine::idle(F32 max_decode_time)
 			continue;
 		}
 
+		if (sourcep->isMuted())
+		{
+			++iter;
+		  	continue;
+		}
+
 		if (!sourcep->getChannel() && sourcep->getCurrentBuffer())
 		{
 			// We could potentially play this sound if its priority is high enough.
@@ -336,9 +334,9 @@ void LLAudioEngine::idle(F32 max_decode_time)
 		// attached to each channel, since only those with active channels
 		// can have anything interesting happen with their queue? (Maybe not true)
 		LLAudioSource *sourcep = iter->second;
-		if (!sourcep->mQueuedDatap)
+		if (!sourcep->mQueuedDatap || sourcep->isMuted())
 		{
-			// Nothing queued, so we don't care.
+			// Muted, or nothing queued, so we don't care.
 			continue;
 		}
 
@@ -418,6 +416,10 @@ void LLAudioEngine::idle(F32 max_decode_time)
 	for (iter = mAllSources.begin(); iter != mAllSources.end(); ++iter)
 	{
 		LLAudioSource *sourcep = iter->second;
+		if (sourcep->isMuted())
+		{
+			continue;
+		}
 		if (sourcep->isSyncMaster())
 		{
 			if (sourcep->getPriority() > max_sm_priority)
@@ -691,15 +693,23 @@ bool LLAudioEngine::isWindEnabled()
 
 void LLAudioEngine::setMuted(bool muted)
 {
-	mMuted = muted;
+	if (muted != mMuted)
+	{
+		mMuted = muted;
+		setMasterGain(mMasterGain);
+	}
 	enableWind(!mMuted);
 }
 
-
 void LLAudioEngine::setMasterGain(const F32 gain)
 {
 	mMasterGain = gain;
-	setInternalGain(gain);
+	F32 internal_gain = getMuted() ? 0.f : gain;
+	if (internal_gain != mInternalGain)
+	{
+		mInternalGain = internal_gain;
+		setInternalGain(mInternalGain);
+	}
 }
 
 F32 LLAudioEngine::getMasterGain()
@@ -1243,13 +1253,14 @@ LLAudioSource::LLAudioSource(const LLUUID& id, const LLUUID& owner_id, const F32
 	mOwnerID(owner_id),
 	mPriority(0.f),
 	mGain(gain),
-	mType(type),
+	mSourceMuted(false),
 	mAmbient(false),
 	mLoop(false),
 	mSyncMaster(false),
 	mSyncSlave(false),
 	mQueueSounds(false),
 	mPlayedOnce(false),
+	mType(type),
 	mChannelp(NULL),
 	mCurrentDatap(NULL),
 	mQueuedDatap(NULL)
@@ -1301,6 +1312,10 @@ void LLAudioSource::updatePriority()
 	{
 		mPriority = 1.f;
 	}
+	else if (isMuted())
+	{
+		mPriority = 0.f;
+	}
 	else
 	{
 		// Priority is based on distance
@@ -1349,25 +1364,33 @@ bool LLAudioSource::setupChannel()
 
 bool LLAudioSource::play(const LLUUID &audio_uuid)
 {
+	// Special abuse of play(); don't play a sound, but kill it.
 	if (audio_uuid.isNull())
 	{
 		if (getChannel())
 		{
 			getChannel()->setSource(NULL);
 			setChannel(NULL);
-			addAudioData(NULL, true);
+			if (!isMuted())
+			{
+				mCurrentDatap = NULL;
+			}
 		}
+		return false;
 	}
+
 	// Reset our age timeout if someone attempts to play the source.
 	mAgeTimer.reset();
 
 	LLAudioData *adp = gAudiop->getAudioData(audio_uuid);
-
-	bool has_buffer = gAudiop->updateBufferForData(adp, audio_uuid);
-
-
 	addAudioData(adp);
 
+	if (isMuted())
+	{
+		return false;
+	}
+
+	bool has_buffer = gAudiop->updateBufferForData(adp, audio_uuid);
 	if (!has_buffer)
 	{
 		// Don't bother trying to set up a channel or anything, we don't have an audio buffer.
@@ -1392,10 +1415,11 @@ bool LLAudioSource::play(const LLUUID &audio_uuid)
 }
 
 
-bool LLAudioSource::isDone()
+bool LLAudioSource::isDone() const
 {
 	const F32 MAX_AGE = 60.f;
 	const F32 MAX_UNPLAYED_AGE = 15.f;
+	const F32 MAX_MUTED_AGE = 11.f;
 
 	if (isLoop())
 	{
@@ -1403,7 +1427,6 @@ bool LLAudioSource::isDone()
 		return false;
 	}
 
-
 	if (hasPendingPreloads())
 	{
 		return false;
@@ -1420,10 +1443,10 @@ bool LLAudioSource::isDone()
 	// This is a single-play source
 	if (!mChannelp)
 	{
-		if ((elapsed > MAX_UNPLAYED_AGE) || mPlayedOnce)
+		if ((elapsed > (mSourceMuted ? MAX_MUTED_AGE : MAX_UNPLAYED_AGE)) || mPlayedOnce)
 		{
 			// We don't have a channel assigned, and it's been
-			// over 5 seconds since we tried to play it.  Don't bother.
+			// over 15 seconds since we tried to play it.  Don't bother.
 			//llinfos << "No channel assigned, source is done" << llendl;
 			return true;
 		}
@@ -1449,7 +1472,7 @@ bool LLAudioSource::isDone()
 
 	if ((elapsed > MAX_UNPLAYED_AGE) || mPlayedOnce)
 	{
-		// The sound isn't playing back after 5 seconds or we're already done playing it, kill it.
+		// The sound isn't playing back after 15 seconds or we're already done playing it, kill it.
 		return true;
 	}
 
diff --git a/indra/llaudio/llaudioengine.h b/indra/llaudio/llaudioengine.h
index 6a5000d7ed..30d2490635 100644
--- a/indra/llaudio/llaudioengine.h
+++ b/indra/llaudio/llaudioengine.h
@@ -118,8 +118,8 @@ public:
 	// Use these for temporarily muting the audio system.
 	// Does not change buffers, initialization, etc. but
 	// stops playing new sounds.
-	virtual void setMuted(bool muted);
-	virtual bool getMuted() const { return mMuted; }
+	void setMuted(bool muted);
+	bool getMuted() const { return mMuted; }
 #ifdef USE_PLUGIN_MEDIA
 	LLPluginClassMedia* initializeMedia(const std::string& media_type);
 #endif
@@ -239,6 +239,7 @@ protected:
 	LLAudioBuffer *mBuffers[MAX_BUFFERS];
 	
 	F32 mMasterGain;
+	F32 mInternalGain;			// Actual gain set; either mMasterGain or 0 when mMuted is true.
 	F32 mSecondaryGain[AUDIO_TYPE_COUNT];
 
 	F32 mNextWindUpdate;
@@ -303,7 +304,8 @@ public:
 	virtual void setGain(const F32 gain)							{ mGain = llclamp(gain, 0.f, 1.f); }
 
 	const LLUUID &getID() const		{ return mID; }
-	bool isDone();
+	bool isDone() const;
+	bool isMuted() const { return mSourceMuted; }
 
 	LLAudioData *getCurrentData();
 	LLAudioData *getQueuedData();
@@ -325,6 +327,7 @@ protected:
 	LLUUID			mOwnerID;	// owner of the object playing the sound
 	F32				mPriority;
 	F32				mGain;
+	bool			mSourceMuted;
 	bool			mAmbient;
 	bool			mLoop;
 	bool			mSyncMaster;
diff --git a/indra/llcommon/CMakeLists.txt b/indra/llcommon/CMakeLists.txt
index 77740fb8bf..4e8f3386bd 100644
--- a/indra/llcommon/CMakeLists.txt
+++ b/indra/llcommon/CMakeLists.txt
@@ -159,6 +159,7 @@ set(llcommon_HEADER_FILES
     lleventemitter.h
     llextendedstatus.h
     llfasttimer.h
+    llfasttimer_class.h
     llfile.h
     llfindlocale.h
     llfixedbuffer.h
diff --git a/indra/llcommon/llfasttimer_class.cpp b/indra/llcommon/llfasttimer_class.cpp
index bc1ae37c2b..c45921cdec 100644
--- a/indra/llcommon/llfasttimer_class.cpp
+++ b/indra/llcommon/llfasttimer_class.cpp
@@ -469,9 +469,9 @@ void LLFastTimer::NamedTimer::accumulateTimings()
 			int hidx = cur_frame % HISTORY_NUM;
 
 			timerp->mCountHistory[hidx] = timerp->mTotalTimeCounter;
-			timerp->mCountAverage = (timerp->mCountAverage * cur_frame + timerp->mTotalTimeCounter) / (cur_frame+1);
+			timerp->mCountAverage = ((U64)timerp->mCountAverage * cur_frame + timerp->mTotalTimeCounter) / (cur_frame+1);
 			timerp->mCallHistory[hidx] = timerp->getFrameState().mCalls;
-			timerp->mCallAverage = (timerp->mCallAverage * cur_frame + timerp->getFrameState().mCalls) / (cur_frame+1);
+			timerp->mCallAverage = ((U64)timerp->mCallAverage * cur_frame + timerp->getFrameState().mCalls) / (cur_frame+1);
 		}
 	}
 }
diff --git a/indra/llcommon/llstring.cpp b/indra/llcommon/llstring.cpp
index fe5d61763b..f3b48b0156 100644
--- a/indra/llcommon/llstring.cpp
+++ b/indra/llcommon/llstring.cpp
@@ -1115,7 +1115,7 @@ bool LLStringUtil::formatDatetime(std::string& replacement, std::string token,
 	else if(LLStringOps::sMonthList.size() == 12 && code == "%B")
 	{
 		struct tm * gmt = gmtime (&loc_seconds);
-		replacement = LLStringOps::sWeekDayList[gmt->tm_mon];
+		replacement = LLStringOps::sMonthList[gmt->tm_mon];
 	}
 	else if( !LLStringOps::sDayFormat.empty() && code == "%d" )
 	{
diff --git a/indra/llcommon/llversionviewer.h b/indra/llcommon/llversionviewer.h
index 92d9e1204a..bd65ce8573 100644
--- a/indra/llcommon/llversionviewer.h
+++ b/indra/llcommon/llversionviewer.h
@@ -28,8 +28,8 @@
 #define LL_LLVERSIONVIEWER_H
 
 const S32 LL_VERSION_MAJOR = 2;
-const S32 LL_VERSION_MINOR = 1;
-const S32 LL_VERSION_PATCH = 2;
+const S32 LL_VERSION_MINOR = 2;
+const S32 LL_VERSION_PATCH = 1;
 const S32 LL_VERSION_BUILD = 0;
 
 const char * const LL_CHANNEL = "Second Life Developer";
diff --git a/indra/llcommon/stdenums.h b/indra/llcommon/stdenums.h
index 5931ba67c2..9f86de124e 100644
--- a/indra/llcommon/stdenums.h
+++ b/indra/llcommon/stdenums.h
@@ -113,8 +113,8 @@ enum EObjectPropertiesExtraID
 enum EAddPosition
 {
 	ADD_TOP,
-	ADD_SORTED,
-	ADD_BOTTOM
+	ADD_BOTTOM,
+	ADD_DEFAULT
 };
 
 enum LLGroupChange
diff --git a/indra/llimage/llpngwrapper.cpp b/indra/llimage/llpngwrapper.cpp
index 02043586b2..fe737e2072 100644
--- a/indra/llimage/llpngwrapper.cpp
+++ b/indra/llimage/llpngwrapper.cpp
@@ -210,7 +210,7 @@ void LLPngWrapper::normalizeImage()
 	}
     if (mColorType == PNG_COLOR_TYPE_GRAY && mBitDepth < 8)
 	{
-		png_set_gray_1_2_4_to_8(mReadPngPtr);
+		png_set_expand_gray_1_2_4_to_8(mReadPngPtr);
 	}
 	if (mColorType == PNG_COLOR_TYPE_GRAY
 		|| mColorType == PNG_COLOR_TYPE_GRAY_ALPHA)
@@ -358,7 +358,7 @@ void LLPngWrapper::releaseResources()
 {
 	if (mReadPngPtr || mReadInfoPtr)
 	{
-		png_destroy_read_struct(&mReadPngPtr, &mReadInfoPtr, png_infopp_NULL);
+		png_destroy_read_struct(&mReadPngPtr, &mReadInfoPtr, NULL);
 		mReadPngPtr = NULL;
 		mReadInfoPtr = NULL;
 	}
diff --git a/indra/llimage/llpngwrapper.h b/indra/llimage/llpngwrapper.h
index 0721adea3b..47a4207d66 100644
--- a/indra/llimage/llpngwrapper.h
+++ b/indra/llimage/llpngwrapper.h
@@ -26,7 +26,7 @@
 #ifndef LL_LLPNGWRAPPER_H
 #define LL_LLPNGWRAPPER_H
 
-#include "libpng12/png.h"
+#include "png.h"
 #include "llimage.h"
 
 class LLPngWrapper
diff --git a/indra/llplugin/llpluginclassmedia.cpp b/indra/llplugin/llpluginclassmedia.cpp
index 9ce9ee2101..69ed0fb09c 100644
--- a/indra/llplugin/llpluginclassmedia.cpp
+++ b/indra/llplugin/llpluginclassmedia.cpp
@@ -74,6 +74,7 @@ bool LLPluginClassMedia::init(const std::string &launcher_filename, const std::s
 	
 	// Queue up the media init message -- it will be sent after all the currently queued messages.
 	LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "init");
+	message.setValue("target", mTarget);
 	sendMessage(message);
 	
 	mPlugin->init(launcher_filename, plugin_filename, debug);
@@ -143,7 +144,7 @@ void LLPluginClassMedia::reset()
 	mProgressPercent = 0;	
 	mClickURL.clear();
 	mClickTarget.clear();
-	mClickTargetType = TARGET_NONE;
+	mClickUUID.clear();
 	
 	// media_time class
 	mCurrentTime = 0.0f;
@@ -669,6 +670,18 @@ F64 LLPluginClassMedia::getCPUUsage()
 	return result;
 }
 
+void LLPluginClassMedia::sendPickFileResponse(const std::string &file)
+{
+	LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "pick_file_response");
+	message.setValue("file", file);
+	if(mPlugin->isBlocked())
+	{
+		// If the plugin sent a blocking pick-file request, the response should unblock it.
+		message.setValueBoolean("blocking_response", true);
+	}
+	sendMessage(message);
+}
+
 void LLPluginClassMedia::cut()
 {
 	LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "edit_cut");
@@ -715,24 +728,9 @@ void LLPluginClassMedia::setJavascriptEnabled(const bool enabled)
 	sendMessage(message);
 }
 
-LLPluginClassMedia::ETargetType getTargetTypeFromLLQtWebkit(int target_type)
+void LLPluginClassMedia::setTarget(const std::string &target)
 {
-	// convert a LinkTargetType value from llqtwebkit to an ETargetType
-	// so that we don't expose the llqtwebkit header in viewer code
-	switch (target_type)
-	{
-	case LLQtWebKit::LTT_TARGET_NONE:
-		return LLPluginClassMedia::TARGET_NONE;
-
-	case LLQtWebKit::LTT_TARGET_BLANK:
-		return LLPluginClassMedia::TARGET_BLANK;
-
-	case LLQtWebKit::LTT_TARGET_EXTERNAL:
-		return LLPluginClassMedia::TARGET_EXTERNAL;
-
-	default:
-		return LLPluginClassMedia::TARGET_OTHER;
-	}
+	mTarget = target;
 }
 
 /* virtual */ 
@@ -945,6 +943,10 @@ void LLPluginClassMedia::receivePluginMessage(const LLPluginMessage &message)
 			mMediaName = message.getValue("name");
 			mediaEvent(LLPluginClassMediaOwner::MEDIA_EVENT_NAME_CHANGED);
 		}
+		else if(message_name == "pick_file")
+		{
+			mediaEvent(LLPluginClassMediaOwner::MEDIA_EVENT_PICK_FILE_REQUEST);
+		}
 		else
 		{
 			LL_WARNS("Plugin") << "Unknown " << message_name << " class message: " << message_name << LL_ENDL;
@@ -987,15 +989,13 @@ void LLPluginClassMedia::receivePluginMessage(const LLPluginMessage &message)
 		{
 			mClickURL = message.getValue("uri");
 			mClickTarget = message.getValue("target");
-			U32 target_type = message.getValueU32("target_type");
-			mClickTargetType = ::getTargetTypeFromLLQtWebkit(target_type);
+			mClickUUID = message.getValue("uuid");
 			mediaEvent(LLPluginClassMediaOwner::MEDIA_EVENT_CLICK_LINK_HREF);
 		}
 		else if(message_name == "click_nofollow")
 		{
 			mClickURL = message.getValue("uri");
 			mClickTarget.clear();
-			mClickTargetType = TARGET_NONE;
 			mediaEvent(LLPluginClassMediaOwner::MEDIA_EVENT_CLICK_LINK_NOFOLLOW);
 		}
 		else if(message_name == "cookie_set")
@@ -1005,6 +1005,20 @@ void LLPluginClassMedia::receivePluginMessage(const LLPluginMessage &message)
 				mOwner->handleCookieSet(this, message.getValue("cookie"));
 			}
 		}
+		else if(message_name == "close_request")
+		{
+			mediaEvent(LLPluginClassMediaOwner::MEDIA_EVENT_CLOSE_REQUEST);
+		}
+		else if(message_name == "geometry_change")
+		{
+			mClickUUID = message.getValue("uuid");
+			mGeometryX = message.getValueS32("x");
+			mGeometryY = message.getValueS32("y");
+			mGeometryWidth = message.getValueS32("width");
+			mGeometryHeight = message.getValueS32("height");
+				
+			mediaEvent(LLPluginClassMediaOwner::MEDIA_EVENT_GEOMETRY_CHANGE);
+		}
 		else
 		{
 			LL_WARNS("Plugin") << "Unknown " << message_name << " class message: " << message_name << LL_ENDL;
@@ -1159,6 +1173,25 @@ void LLPluginClassMedia::setBrowserUserAgent(const std::string& user_agent)
 	sendMessage(message);
 }
 
+void LLPluginClassMedia::proxyWindowOpened(const std::string &target, const std::string &uuid)
+{
+	LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER, "proxy_window_opened");
+
+	message.setValue("target", target);
+	message.setValue("uuid", uuid);
+
+	sendMessage(message);
+}
+
+void LLPluginClassMedia::proxyWindowClosed(const std::string &uuid)
+{
+	LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER, "proxy_window_closed");
+
+	message.setValue("uuid", uuid);
+
+	sendMessage(message);
+}
+
 void LLPluginClassMedia::crashPlugin()
 {
 	LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_INTERNAL, "crash");
diff --git a/indra/llplugin/llpluginclassmedia.h b/indra/llplugin/llpluginclassmedia.h
index ee53f3a4da..9cb67fe909 100644
--- a/indra/llplugin/llpluginclassmedia.h
+++ b/indra/llplugin/llpluginclassmedia.h
@@ -156,6 +156,8 @@ public:
 	void setLowPrioritySizeLimit(int size);
 	
 	F64 getCPUUsage();
+	
+	void sendPickFileResponse(const std::string &file);
 
 	// Valid after a MEDIA_EVENT_CURSOR_CHANGED event
 	std::string getCursorName() const { return mCursorName; };
@@ -176,7 +178,8 @@ public:
 	void	setLanguageCode(const std::string &language_code);
 	void	setPluginsEnabled(const bool enabled);
 	void	setJavascriptEnabled(const bool enabled);
-		
+	void	setTarget(const std::string &target);
+	
 	///////////////////////////////////
 	// media browser class functions
 	bool pluginSupportsMediaBrowser(void);
@@ -193,6 +196,8 @@ public:
 	void browse_back();
 	void set_status_redirect(int code, const std::string &url);
 	void setBrowserUserAgent(const std::string& user_agent);
+	void proxyWindowOpened(const std::string &target, const std::string &uuid);
+	void proxyWindowClosed(const std::string &uuid);
 	
 	// This is valid after MEDIA_EVENT_NAVIGATE_BEGIN or MEDIA_EVENT_NAVIGATE_COMPLETE
 	std::string	getNavigateURI() const { return mNavigateURI; };
@@ -218,16 +223,14 @@ public:
 	// This is valid after MEDIA_EVENT_CLICK_LINK_HREF
 	std::string getClickTarget() const { return mClickTarget; };
 
-	typedef enum 
-	{
-		TARGET_NONE,        // empty href target string
-		TARGET_BLANK,       // target to open link in user's preferred browser
-		TARGET_EXTERNAL,    // target to open link in external browser
-		TARGET_OTHER        // nonempty and unsupported target type
-	}ETargetType;
-
-	// This is valid after MEDIA_EVENT_CLICK_LINK_HREF
-	ETargetType getClickTargetType() const { return mClickTargetType; };
+	// This is valid during MEDIA_EVENT_CLICK_LINK_HREF and MEDIA_EVENT_GEOMETRY_CHANGE
+	std::string getClickUUID() const { return mClickUUID; };
+	
+	// These are valid during MEDIA_EVENT_GEOMETRY_CHANGE
+	S32 getGeometryX() const { return mGeometryX; };
+	S32 getGeometryY() const { return mGeometryY; };
+	S32 getGeometryWidth() const { return mGeometryWidth; };
+	S32 getGeometryHeight() const { return mGeometryHeight; };
 
 	std::string getMediaName() const { return mMediaName; };
 	std::string getMediaDescription() const { return mMediaDescription; };
@@ -347,6 +350,8 @@ protected:
 	
 	LLColor4		mBackgroundColor;
 	
+	std::string		mTarget;
+	
 	/////////////////////////////////////////
 	// media_browser class
 	std::string		mNavigateURI;
@@ -359,7 +364,11 @@ protected:
 	std::string		mLocation;
 	std::string		mClickURL;
 	std::string		mClickTarget;
-	ETargetType     mClickTargetType;
+	std::string		mClickUUID;
+	S32				mGeometryX;
+	S32				mGeometryY;
+	S32				mGeometryWidth;
+	S32				mGeometryHeight;
 	
 	/////////////////////////////////////////
 	// media_time class
diff --git a/indra/llplugin/llpluginclassmediaowner.h b/indra/llplugin/llpluginclassmediaowner.h
index b48a5ca4ac..c9efff216c 100644
--- a/indra/llplugin/llpluginclassmediaowner.h
+++ b/indra/llplugin/llpluginclassmediaowner.h
@@ -54,6 +54,9 @@ public:
 		MEDIA_EVENT_LOCATION_CHANGED,		// browser location (URL) has changed (maybe due to internal navagation/frames/etc)
 		MEDIA_EVENT_CLICK_LINK_HREF,		// I'm not entirely sure what the semantics of these two are
 		MEDIA_EVENT_CLICK_LINK_NOFOLLOW,
+		MEDIA_EVENT_CLOSE_REQUEST,			// The plugin requested its window be closed (currently hooked up to javascript window.close in webkit)
+		MEDIA_EVENT_PICK_FILE_REQUEST,		// The plugin wants the user to pick a file
+		MEDIA_EVENT_GEOMETRY_CHANGE,		// The plugin requested its window geometry be changed (per the javascript window interface)
 		
 		MEDIA_EVENT_PLUGIN_FAILED_LAUNCH,	// The plugin failed to launch 
 		MEDIA_EVENT_PLUGIN_FAILED			// The plugin died unexpectedly
diff --git a/indra/llrender/llfontgl.cpp b/indra/llrender/llfontgl.cpp
index 386bb987f9..13008292f6 100644
--- a/indra/llrender/llfontgl.cpp
+++ b/indra/llrender/llfontgl.cpp
@@ -977,37 +977,43 @@ LLFontGL::VAlign LLFontGL::vAlignFromName(const std::string& name)
 //static
 LLFontGL* LLFontGL::getFontMonospace()
 {
-	return getFont(LLFontDescriptor("Monospace","Monospace",0));
+	static LLFontGL* fontp = getFont(LLFontDescriptor("Monospace","Monospace",0));
+	return fontp;
 }
 
 //static
 LLFontGL* LLFontGL::getFontSansSerifSmall()
 {
-	return getFont(LLFontDescriptor("SansSerif","Small",0));
+	static LLFontGL* fontp = getFont(LLFontDescriptor("SansSerif","Small",0));
+	return fontp;
 }
 
 //static
 LLFontGL* LLFontGL::getFontSansSerif()
 {
-	return getFont(LLFontDescriptor("SansSerif","Medium",0));
+	static LLFontGL* fontp = getFont(LLFontDescriptor("SansSerif","Medium",0));
+	return fontp;
 }
 
 //static
 LLFontGL* LLFontGL::getFontSansSerifBig()
 {
-	return getFont(LLFontDescriptor("SansSerif","Large",0));
+	static LLFontGL* fontp = getFont(LLFontDescriptor("SansSerif","Large",0));
+	return fontp;
 }
 
 //static 
 LLFontGL* LLFontGL::getFontSansSerifHuge()
 {
-	return getFont(LLFontDescriptor("SansSerif","Huge",0));
+	static LLFontGL* fontp = getFont(LLFontDescriptor("SansSerif","Large",0));
+	return fontp;
 }
 
 //static 
 LLFontGL* LLFontGL::getFontSansSerifBold()
 {
-	return getFont(LLFontDescriptor("SansSerif","Medium",BOLD));
+	static LLFontGL* fontp = getFont(LLFontDescriptor("SansSerif","Medium",BOLD));
+	return fontp;
 }
 
 //static
diff --git a/indra/llui/CMakeLists.txt b/indra/llui/CMakeLists.txt
index 8e78a5fefd..e98201ea63 100644
--- a/indra/llui/CMakeLists.txt
+++ b/indra/llui/CMakeLists.txt
@@ -158,6 +158,7 @@ set(llui_HEADER_FILES
     llnotifications.h
     llnotificationslistener.h
     llnotificationsutil.h
+    llnotificationtemplate.h
     llpanel.h
     llprogressbar.h
     llradiogroup.h
diff --git a/indra/llui/llaccordionctrl.cpp b/indra/llui/llaccordionctrl.cpp
index f9ffaaa646..d636161baf 100644
--- a/indra/llui/llaccordionctrl.cpp
+++ b/indra/llui/llaccordionctrl.cpp
@@ -83,7 +83,7 @@ LLAccordionCtrl::LLAccordionCtrl() : LLPanel()
 
 	mSingleExpansion = false;
 	mFitParent = false;
-	LLUICtrlFactory::getInstance()->buildPanel(this, "accordion_parent.xml");	
+	buildFromFile( "accordion_parent.xml");	
 }
 
 //---------------------------------------------------------------------------------
diff --git a/indra/llui/llaccordionctrltab.h b/indra/llui/llaccordionctrltab.h
index d6ac8cbc8f..dddaa581e6 100644
--- a/indra/llui/llaccordionctrltab.h
+++ b/indra/llui/llaccordionctrltab.h
@@ -85,10 +85,10 @@ public:
 
 		Optional<bool>			selection_enabled;
 
-		Optional<S32>			padding_left;
-		Optional<S32>			padding_right;
-		Optional<S32>			padding_top;
-		Optional<S32>			padding_bottom;
+		Optional<S32>			padding_left,
+								padding_right,
+								padding_top,
+								padding_bottom;
 
 		Params();
 	};
@@ -170,7 +170,7 @@ public:
 	virtual BOOL handleScrollWheel( S32 x, S32 y, S32 clicks );
 
 
-	virtual bool addChild(LLView* child, S32 tab_group);
+	virtual bool addChild(LLView* child, S32 tab_group = 0 );
 
 	bool isExpanded() const { return mDisplayChildren; }
 
diff --git a/indra/llui/llbutton.cpp b/indra/llui/llbutton.cpp
index d51276bf26..f26711065a 100644
--- a/indra/llui/llbutton.cpp
+++ b/indra/llui/llbutton.cpp
@@ -114,7 +114,6 @@ LLButton::LLButton(const LLButton::Params& p)
 	mFlashing( FALSE ),
 	mCurGlowStrength(0.f),
 	mNeedsHighlight(FALSE),
-	mMouseOver(false),
 	mUnselectedLabel(p.label()),
 	mSelectedLabel(p.label_selected()),
 	mGLFont(p.font),
@@ -499,19 +498,14 @@ void LLButton::onMouseEnter(S32 x, S32 y, MASK mask)
 	LLUICtrl::onMouseEnter(x, y, mask);
 
 	if (isInEnabledChain())
-	{
 		mNeedsHighlight = TRUE;
 	}
 
-	mMouseOver = true;
-}
-
 void LLButton::onMouseLeave(S32 x, S32 y, MASK mask)
 {
 	LLUICtrl::onMouseLeave(x, y, mask);
 
 	mNeedsHighlight = FALSE;
-	mMouseOver = true;
 }
 
 void LLButton::setHighlight(bool b)
@@ -564,11 +558,19 @@ void LLButton::draw()
 		pressed_by_keyboard = gKeyboard->getKeyDown(' ') || (mCommitOnReturn && gKeyboard->getKeyDown(KEY_RETURN));
 	}
 
-	// Unselected image assignments
+	bool mouse_pressed_and_over = false;
+	if (hasMouseCapture())
+	{
+		S32 local_mouse_x ;
+		S32 local_mouse_y;
+		LLUI::getMousePositionLocal(this, &local_mouse_x, &local_mouse_y);
+		mouse_pressed_and_over = pointInView(local_mouse_x, local_mouse_y);
+	}
+
 	bool enabled = isInEnabledChain();
 
 	bool pressed = pressed_by_keyboard 
-					|| (hasMouseCapture() && mMouseOver)
+					|| mouse_pressed_and_over
 					|| mForcePressedState;
 	bool selected = getToggleState();
 	
diff --git a/indra/llui/llbutton.h b/indra/llui/llbutton.h
index d87ceb7c42..2d5fefa78c 100644
--- a/indra/llui/llbutton.h
+++ b/indra/llui/llbutton.h
@@ -350,7 +350,6 @@ private:
 	BOOL						mCommitOnReturn;
 	BOOL						mFadeWhenDisabled;
 	bool						mForcePressedState;
-	bool						mMouseOver;
 
 	LLFrameTimer				mFlashingTimer;
 };
diff --git a/indra/llui/llcheckboxctrl.cpp b/indra/llui/llcheckboxctrl.cpp
index cbc8f12472..bbd8db2645 100644
--- a/indra/llui/llcheckboxctrl.cpp
+++ b/indra/llui/llcheckboxctrl.cpp
@@ -50,9 +50,7 @@ template class LLCheckBoxCtrl* LLView::getChild<class LLCheckBoxCtrl>(
 	const std::string& name, BOOL recurse) const;
 
 LLCheckBoxCtrl::Params::Params()
-:	text_enabled_color("text_enabled_color"),
-	text_disabled_color("text_disabled_color"),
-	initial_value("initial_value", false),
+:	initial_value("initial_value", false),
 	label_text("label_text"),
 	check_button("check_button"),
 	radio_style("radio_style")
@@ -61,8 +59,8 @@ LLCheckBoxCtrl::Params::Params()
 
 LLCheckBoxCtrl::LLCheckBoxCtrl(const LLCheckBoxCtrl::Params& p)
 :	LLUICtrl(p),
-	mTextEnabledColor(p.text_enabled_color()),
-	mTextDisabledColor(p.text_disabled_color()),
+	mTextEnabledColor(p.label_text.text_color()),
+	mTextDisabledColor(p.label_text.text_readonly_color()),
 	mFont(p.font())
 {
 	mViewModel->setValue(LLSD(p.initial_value));
@@ -89,7 +87,6 @@ LLCheckBoxCtrl::LLCheckBoxCtrl(const LLCheckBoxCtrl::Params& p)
 	{
 		tbparams.font(p.font);
 	}
-	tbparams.text_color( p.enabled() ? p.text_enabled_color() : p.text_disabled_color() );
 	mLabel = LLUICtrlFactory::create<LLTextBox> (tbparams);
 	addChild(mLabel);
 
diff --git a/indra/llui/llcheckboxctrl.h b/indra/llui/llcheckboxctrl.h
index 0147088280..67d8091a97 100644
--- a/indra/llui/llcheckboxctrl.h
+++ b/indra/llui/llcheckboxctrl.h
@@ -52,8 +52,6 @@ public:
 	struct Params 
 	:	public LLInitParam::Block<Params, LLUICtrl::Params>
 	{
-		Optional<LLUIColor>		text_enabled_color;
-		Optional<LLUIColor>		text_disabled_color;
 		Optional<bool>			initial_value;	// override LLUICtrl initial_value
 
 		Optional<LLTextBox::Params> label_text;
diff --git a/indra/llui/llcombobox.cpp b/indra/llui/llcombobox.cpp
index e749ff9daf..2dabbc7767 100644
--- a/indra/llui/llcombobox.cpp
+++ b/indra/llui/llcombobox.cpp
@@ -137,8 +137,8 @@ LLComboBox::LLComboBox(const LLComboBox::Params& p)
 	// Grab the mouse-up event and make sure the button state is correct
 	mList->setMouseUpCallback(boost::bind(&LLComboBox::onListMouseUp, this));
 
-	for (LLInitParam::ParamIterator<ItemParams>::const_iterator it = p.items().begin();
-		it != p.items().end();
+	for (LLInitParam::ParamIterator<ItemParams>::const_iterator it = p.items.begin();
+		it != p.items.end();
 		++it)
 	{
 		LLScrollListItem::Params item_params = *it;
diff --git a/indra/llui/llfloater.cpp b/indra/llui/llfloater.cpp
index c0942cf3c7..cae59754cb 100644
--- a/indra/llui/llfloater.cpp
+++ b/indra/llui/llfloater.cpp
@@ -36,6 +36,7 @@
 #include "lluictrlfactory.h"
 #include "llbutton.h"
 #include "llcheckboxctrl.h"
+#include "lldir.h"
 #include "lldraghandle.h"
 #include "llfloaterreg.h"
 #include "llfocusmgr.h"
@@ -2390,7 +2391,9 @@ void LLFloaterView::closeAllChildren(bool app_quitting)
 
 		// Attempt to close floater.  This will cause the "do you want to save"
 		// dialogs to appear.
-		if (floaterp->canClose() && !floaterp->isDead())
+		// Skip invisible floaters if we're not quitting (STORM-192).
+		if (floaterp->canClose() && !floaterp->isDead() &&
+			(app_quitting || floaterp->getVisible()))
 		{
 			floaterp->closeFloater(app_quitting);
 		}
@@ -2813,7 +2816,8 @@ LLFastTimer::DeclareTimer POST_BUILD("Floater Post Build");
 bool LLFloater::initFloaterXML(LLXMLNodePtr node, LLView *parent, const std::string& filename, LLXMLNodePtr output_node)
 {
 	Params params(LLUICtrlFactory::getDefaultParams<LLFloater>());
-	LLXUIParser::instance().readXUI(node, params, filename); // *TODO: Error checking
+	LLXUIParser parser;
+	parser.readXUI(node, params, filename); // *TODO: Error checking
 
 	if (output_node)
 	{
@@ -2821,8 +2825,7 @@ bool LLFloater::initFloaterXML(LLXMLNodePtr node, LLView *parent, const std::str
 		setupParamsForExport(output_params, parent);
         Params default_params(LLUICtrlFactory::getDefaultParams<LLFloater>());
 		output_node->setName(node->getName()->mString);
-		LLXUIParser::instance().writeXUI(
-			output_node, output_params, &default_params);
+		parser.writeXUI(output_node, output_params, &default_params);
 	}
 
 	// Default floater position to top-left corner of screen
@@ -2917,3 +2920,64 @@ bool LLFloater::isVisible(const LLFloater* floater)
 {
     return floater && floater->getVisible();
 }
+
+static LLFastTimer::DeclareTimer FTM_BUILD_FLOATERS("Build Floaters");
+
+bool LLFloater::buildFromFile(const std::string& filename, LLXMLNodePtr output_node)
+{
+	LLFastTimer timer(FTM_BUILD_FLOATERS);
+	LLXMLNodePtr root;
+
+	//if exporting, only load the language being exported, 
+	//instead of layering localized version on top of english
+	if (output_node)
+	{
+		if (!LLUICtrlFactory::getLocalizedXMLNode(filename, root))
+		{
+			llwarns << "Couldn't parse floater from: " << LLUI::getLocalizedSkinPath() + gDirUtilp->getDirDelimiter() + filename << llendl;
+			return false;
+		}
+	}
+	else if (!LLUICtrlFactory::getLayeredXMLNode(filename, root))
+	{
+		llwarns << "Couldn't parse floater from: " << LLUI::getSkinPath() + gDirUtilp->getDirDelimiter() + filename << llendl;
+		return false;
+	}
+	
+	// root must be called floater
+	if( !(root->hasName("floater") || root->hasName("multi_floater")) )
+	{
+		llwarns << "Root node should be named floater in: " << filename << llendl;
+		return false;
+	}
+	
+	bool res = true;
+	
+	lldebugs << "Building floater " << filename << llendl;
+	LLUICtrlFactory::instance().pushFileName(filename);
+	{
+		if (!getFactoryMap().empty())
+		{
+			LLPanel::sFactoryStack.push_front(&getFactoryMap());
+		}
+
+		 // for local registry callbacks; define in constructor, referenced in XUI or postBuild
+		getCommitCallbackRegistrar().pushScope();
+		getEnableCallbackRegistrar().pushScope();
+		
+		res = initFloaterXML(root, getParent(), filename, output_node);
+
+		setXMLFilename(filename);
+		
+		getCommitCallbackRegistrar().popScope();
+		getEnableCallbackRegistrar().popScope();
+		
+		if (!getFactoryMap().empty())
+		{
+			LLPanel::sFactoryStack.pop_front();
+		}
+	}
+	LLUICtrlFactory::instance().popFileName();
+	
+	return res;
+}
diff --git a/indra/llui/llfloater.h b/indra/llui/llfloater.h
index 5ecf515cf9..c02587d9d8 100644
--- a/indra/llui/llfloater.h
+++ b/indra/llui/llfloater.h
@@ -141,6 +141,7 @@ public:
 
 	// Don't export top/left for rect, only height/width
 	static void setupParamsForExport(Params& p, LLView* parent);
+	bool buildFromFile(const std::string &filename, LLXMLNodePtr output_node = NULL);
 
 	void initFromParams(const LLFloater::Params& p);
 	bool initFloaterXML(LLXMLNodePtr node, LLView *parent, const std::string& filename, LLXMLNodePtr output_node = NULL);
diff --git a/indra/llui/llfloaterreg.cpp b/indra/llui/llfloaterreg.cpp
index 4720ebb822..4677d535db 100644
--- a/indra/llui/llfloaterreg.cpp
+++ b/indra/llui/llfloaterreg.cpp
@@ -121,7 +121,7 @@ LLFloater* LLFloaterReg::getInstance(const std::string& name, const LLSD& key)
 
 				res = build_func(key);
 				
-				bool success = LLUICtrlFactory::getInstance()->buildFloater(res, xui_file, NULL);
+				bool success = res->buildFromFile(xui_file, NULL);
 				if (!success)
 				{
 					llwarns << "Failed to build floater type: '" << name << "'." << llendl;
diff --git a/indra/llui/llfocusmgr.cpp b/indra/llui/llfocusmgr.cpp
index 1f16d12add..43e5f6b051 100644
--- a/indra/llui/llfocusmgr.cpp
+++ b/indra/llui/llfocusmgr.cpp
@@ -315,6 +315,20 @@ void LLFocusMgr::removeKeyboardFocusWithoutCallback( const LLFocusableElement* f
 	}
 }
 
+bool LLFocusMgr::keyboardFocusHasAccelerators() const
+{
+	LLView* focus_view = dynamic_cast<LLView*>(mKeyboardFocus);
+	while( focus_view )
+	{
+		if(focus_view->hasAccelerators())
+		{
+			return true;
+		}
+
+		focus_view = focus_view->getParent();
+	}
+	return false;
+}
 
 void LLFocusMgr::setMouseCapture( LLMouseHandler* new_captor )
 {
diff --git a/indra/llui/llfocusmgr.h b/indra/llui/llfocusmgr.h
index eef82a3b5a..22c1895075 100644
--- a/indra/llui/llfocusmgr.h
+++ b/indra/llui/llfocusmgr.h
@@ -118,6 +118,8 @@ public:
 	void			unlockFocus();
 	BOOL			focusLocked() const { return mLockedView != NULL; }
 
+	bool			keyboardFocusHasAccelerators() const;
+
 private:
 	LLUICtrl*			mLockedView;
 
diff --git a/indra/llui/lllayoutstack.cpp b/indra/llui/lllayoutstack.cpp
index 0ff7557ead..940c7e7e18 100644
--- a/indra/llui/lllayoutstack.cpp
+++ b/indra/llui/lllayoutstack.cpp
@@ -35,95 +35,66 @@
 #include "llresizebar.h"
 #include "llcriticaldamp.h"
 
-static LLDefaultChildRegistry::Register<LLLayoutStack> register_layout_stack("layout_stack", &LLLayoutStack::fromXML);
-
+static LLDefaultChildRegistry::Register<LLLayoutStack> register_layout_stack("layout_stack");
+static LLLayoutStack::LayoutStackRegistry::Register<LLLayoutPanel> register_layout_panel("layout_panel");
 
 //
-// LLLayoutStack
+// LLLayoutPanel
 //
-struct LLLayoutStack::LayoutPanel
-{
-	LayoutPanel(LLPanel* panelp, ELayoutOrientation orientation, S32 min_width, S32 min_height, S32 max_width, S32 max_height, BOOL auto_resize, BOOL user_resize)	:	mPanel(panelp), 
-		mMinWidth(min_width), 
-		mMinHeight(min_height),
-		mMaxWidth(max_width), 
-		mMaxHeight(max_height),
-		mAutoResize(auto_resize),
-		mUserResize(user_resize),
-		mOrientation(orientation),
+LLLayoutPanel::LLLayoutPanel(const Params& p)	
+:	LLPanel(p),
+ 	mMinDim(p.min_dim), 
+ 	mMaxDim(p.max_dim), 
+ 	mAutoResize(p.auto_resize),
+ 	mUserResize(p.user_resize),
 		mCollapsed(FALSE),
 		mCollapseAmt(0.f),
 		mVisibleAmt(1.f), // default to fully visible
 		mResizeBar(NULL) 
 	{
-		LLResizeBar::Side side = (orientation == HORIZONTAL) ? LLResizeBar::RIGHT : LLResizeBar::BOTTOM;
-		LLRect resize_bar_rect = panelp->getRect();
-
-		S32 min_dim;
-		if (orientation == HORIZONTAL)
+	// panels initialized as hidden should not start out partially visible
+	if (!getVisible())
 		{
-			min_dim = mMinHeight;
+		mVisibleAmt = 0.f;
 		}
-		else
-		{
-			min_dim = mMinWidth;
-		}
-		LLResizeBar::Params p;
-		p.name("resize");
-			p.resizing_view(mPanel);
-		p.min_size(min_dim);
-		p.side(side);
-		p.snapping_enabled(false);
-		mResizeBar = LLUICtrlFactory::create<LLResizeBar>(p);
-		// panels initialized as hidden should not start out partially visible
-		if (!mPanel->getVisible())
-		{
-			mVisibleAmt = 0.f;
 		}
+
+void LLLayoutPanel::initFromParams(const Params& p)
+		{
+	LLPanel::initFromParams(p);
+	setFollowsNone();
 	}
 
-	~LayoutPanel()
+
+LLLayoutPanel::~LLLayoutPanel()
 	{
 		// probably not necessary, but...
 		delete mResizeBar;
 		mResizeBar = NULL;
 	}
 	
-	F32 getCollapseFactor()
+F32 LLLayoutPanel::getCollapseFactor(LLLayoutStack::ELayoutOrientation orientation)
 	{
-		if (mOrientation == HORIZONTAL)
+	if (orientation == LLLayoutStack::HORIZONTAL)
 		{
 			F32 collapse_amt = 
-				clamp_rescale(mCollapseAmt, 0.f, 1.f, 1.f, (F32)mMinWidth / (F32)llmax(1, mPanel->getRect().getWidth()));
+			clamp_rescale(mCollapseAmt, 0.f, 1.f, 1.f, (F32)mMinDim / (F32)llmax(1, getRect().getWidth()));
 			return mVisibleAmt * collapse_amt;
 		}
 		else
 	{
 			F32 collapse_amt = 
-				clamp_rescale(mCollapseAmt, 0.f, 1.f, 1.f, llmin(1.f, (F32)mMinHeight / (F32)llmax(1, mPanel->getRect().getHeight())));
+			clamp_rescale(mCollapseAmt, 0.f, 1.f, 1.f, llmin(1.f, (F32)mMinDim / (F32)llmax(1, getRect().getHeight())));
 			return mVisibleAmt * collapse_amt;
 		}
 	}
 
-	LLPanel* mPanel;
-	S32 mMinWidth;
-	S32 mMinHeight;
-
-	// mMaxWidth & mMaxHeight are added to make configurable max width of the nearby chat bar. EXT-5589
-	// they are not processed by LLLayoutStack but they can be if necessary
-	S32 mMaxWidth;
-	S32 mMaxHeight;
-	BOOL mAutoResize;
-	BOOL mUserResize;
-	BOOL mCollapsed;
-	LLResizeBar* mResizeBar;
-	ELayoutOrientation mOrientation;
-	F32 mVisibleAmt;
-	F32 mCollapseAmt;
-};
+//
+// LLLayoutStack
+//
 
 LLLayoutStack::Params::Params()
-:	orientation("orientation", std::string("vertical")),
+:	orientation("orientation"),
 	animate("animate", true),
 	clip("clip", true),
 	border_size("border_size", LLCachedControl<S32>(*LLUI::sSettingGroups["config"], "UIResizeBarHeight", 0))
@@ -157,18 +128,18 @@ void LLLayoutStack::draw()
 	for (panel_it = mPanels.begin(); panel_it != mPanels.end(); ++panel_it)
 	{
 		// clip to layout rectangle, not bounding rectangle
-		LLRect clip_rect = (*panel_it)->mPanel->getRect();
+		LLRect clip_rect = (*panel_it)->getRect();
 		// scale clipping rectangle by visible amount
 		if (mOrientation == HORIZONTAL)
 		{
-			clip_rect.mRight = clip_rect.mLeft + llround((F32)clip_rect.getWidth() * (*panel_it)->getCollapseFactor());
+			clip_rect.mRight = clip_rect.mLeft + llround((F32)clip_rect.getWidth() * (*panel_it)->getCollapseFactor(mOrientation));
 		}
 		else
 		{
-			clip_rect.mBottom = clip_rect.mTop - llround((F32)clip_rect.getHeight() * (*panel_it)->getCollapseFactor());
+			clip_rect.mBottom = clip_rect.mTop - llround((F32)clip_rect.getHeight() * (*panel_it)->getCollapseFactor(mOrientation));
 		}
 
-		LLPanel* panelp = (*panel_it)->mPanel;
+		LLPanel* panelp = (*panel_it);
 
 		LLLocalClipRect clip(clip_rect, mClip);
 		// only force drawing invisible children if visible amount is non-zero
@@ -179,7 +150,7 @@ void LLLayoutStack::draw()
 
 void LLLayoutStack::removeChild(LLView* view)
 {
-	LayoutPanel* embedded_panelp = findEmbeddedPanel(dynamic_cast<LLPanel*>(view));
+	LLLayoutPanel* embedded_panelp = findEmbeddedPanel(dynamic_cast<LLPanel*>(view));
 
 	if (embedded_panelp)
 	{
@@ -200,149 +171,16 @@ BOOL LLLayoutStack::postBuild()
 	return TRUE;
 }
 
-static void get_attribute_s32_and_write(LLXMLNodePtr node,
-										const char* name,
-										S32 *value,
-										S32 default_value,
-										LLXMLNodePtr output_child)
-{
-	BOOL has_attr = node->getAttributeS32(name, *value);
-	if (has_attr && *value != default_value && output_child)
-	{
-		// create an attribute child node
-		LLXMLNodePtr child_attr = output_child->createChild(name, TRUE);
-		child_attr->setIntValue(*value);
-	}
-}
-
-static void get_attribute_bool_and_write(LLXMLNodePtr node,
-										const char* name,
-										BOOL *value,
-										BOOL default_value,
-										LLXMLNodePtr output_child)
-{
-	BOOL has_attr = node->getAttributeBOOL(name, *value);
-	if (has_attr && *value != default_value && output_child)
-	{
-		LLXMLNodePtr child_attr = output_child->createChild(name, TRUE);
-		child_attr->setBoolValue(*value);
-	}
-}
-//static 
-LLView* LLLayoutStack::fromXML(LLXMLNodePtr node, LLView *parent, LLXMLNodePtr output_node)
-{
-	LLLayoutStack::Params p(LLUICtrlFactory::getDefaultParams<LLLayoutStack>());
-	LLXUIParser::instance().readXUI(node, p, LLUICtrlFactory::getInstance()->getCurFileName());
-
-	// Export must happen before setupParams() mungles rectangles and before
-	// this item gets added to parent (otherwise screws up last_child_rect
-	// logic). JC
-	if (output_node)
-	{
-		Params output_params(p);
-		setupParamsForExport(output_params, parent);
-		LLLayoutStack::Params default_params(LLUICtrlFactory::getDefaultParams<LLLayoutStack>());
-		output_node->setName(node->getName()->mString);
-		LLXUIParser::instance().writeXUI(
-			output_node, output_params, &default_params);
-	}
-
-	p.from_xui = true;
-	applyXUILayout(p, parent);
-	LLLayoutStack* layout_stackp = LLUICtrlFactory::create<LLLayoutStack>(p);
-
-	if (parent && layout_stackp)
-	{
-		S32 tab_group = p.tab_group.isProvided() ? p.tab_group() : parent->getLastTabGroup();
-
-		parent->addChild(layout_stackp, tab_group);
-	}
-
-	for (LLXMLNodePtr child_node = node->getFirstChild(); child_node.notNull(); child_node = child_node->getNextSibling())
-	{
-		const S32 DEFAULT_MIN_WIDTH = 0;
-		const S32 DEFAULT_MIN_HEIGHT = 0;
-		const S32 DEFAULT_MAX_WIDTH = S32_MAX;
-		const S32 DEFAULT_MAX_HEIGHT = S32_MAX;
-		const BOOL DEFAULT_AUTO_RESIZE = TRUE;
-
-		S32 min_width = DEFAULT_MIN_WIDTH;
-		S32 min_height = DEFAULT_MIN_HEIGHT;
-		S32 max_width = DEFAULT_MAX_WIDTH;
-		S32 max_height = DEFAULT_MAX_HEIGHT;
-		BOOL auto_resize = DEFAULT_AUTO_RESIZE;
-
-		LLXMLNodePtr output_child;
-		if (output_node) 
+bool LLLayoutStack::addChild(LLView* child, S32 tab_group)
 		{
-			output_child = output_node->createChild("", FALSE);
-		}
-
-		// Layout stack allows child nodes to acquire additional attributes,
-		// such as "min_width" in:  <button label="Foo" min_width="100"/>
-		// If these attributes exist and have non-default values, write them
-		// to the output node.
-		get_attribute_s32_and_write(child_node, "min_width", &min_width,
-			DEFAULT_MIN_WIDTH, output_child);
-		get_attribute_s32_and_write(child_node, "min_height", &min_height,
-			DEFAULT_MIN_HEIGHT, output_child);
-		get_attribute_s32_and_write(child_node, "max_width", &max_width,
-			DEFAULT_MAX_WIDTH, output_child);
-		get_attribute_s32_and_write(child_node, "max_height", &max_height,
-			DEFAULT_MAX_HEIGHT, output_child);
-		get_attribute_bool_and_write(child_node, "auto_resize", &auto_resize,
-			DEFAULT_AUTO_RESIZE, output_child);
-
-		if (child_node->hasName("layout_panel"))
-		{
-			BOOL user_resize = TRUE;
-			get_attribute_bool_and_write(child_node, "user_resize", &user_resize,
-				TRUE, output_child);
-			LLPanel* panelp = (LLPanel*)LLPanel::fromXML(child_node, layout_stackp, output_child);
+	LLLayoutPanel* panelp = dynamic_cast<LLLayoutPanel*>(child);
 			if (panelp)
 			{
-				panelp->setFollowsNone();
-				layout_stackp->addPanel(panelp, min_width, min_height, max_width, max_height, auto_resize, user_resize);
+		mPanels.push_back(panelp);
 			}
+	return LLView::addChild(child, tab_group);
 		}
-		else
-		{
-			BOOL user_resize = FALSE;
-			get_attribute_bool_and_write(child_node, "user_resize", &user_resize,
-				FALSE, output_child);
-
-			LLPanel::Params p;
-			p.mouse_opaque(false);
-			LLPanel* panelp = LLUICtrlFactory::create<LLPanel>(p);
-			LLView* new_child = LLUICtrlFactory::getInstance()->createFromXML(child_node, panelp, LLStringUtil::null, LLPanel::child_registry_t::instance(), output_child);
-			if (new_child)
-			{
-				// put child in new embedded panel
-				layout_stackp->addPanel(panelp, min_width, min_height, max_width, max_height, auto_resize, user_resize);
-				// resize panel to contain widget and move widget to be contained in panel
-				panelp->setRect(new_child->getRect());
-				new_child->setOrigin(0, 0);
-			}
-			else
-			{
-				panelp->die();
-			}
-		}
-		
-		if (output_child && !output_child->mChildren && output_child->mAttributes.empty() && output_child->getValue().empty())
-		{
-			output_node->deleteChild(output_child);
-		}
-	}
-
-	if (!layout_stackp->postBuild())
-	{
-		delete layout_stackp;
-		return NULL;
-	}
 
-	return layout_stackp;
-}
 
 S32 LLLayoutStack::getDefaultHeight(S32 cur_height)
 {
@@ -370,8 +208,8 @@ S32 LLLayoutStack::getDefaultWidth(S32 cur_width)
 
 void LLLayoutStack::movePanel(LLPanel* panel_to_move, LLPanel* target_panel, bool move_to_front)
 {
-	LayoutPanel* embedded_panel_to_move = findEmbeddedPanel(panel_to_move);
-	LayoutPanel* embedded_target_panel = move_to_front ? *mPanels.begin() : findEmbeddedPanel(target_panel);
+	LLLayoutPanel* embedded_panel_to_move = findEmbeddedPanel(panel_to_move);
+	LLLayoutPanel* embedded_target_panel = move_to_front ? *mPanels.begin() : findEmbeddedPanel(target_panel);
 
 	if (!embedded_panel_to_move || !embedded_target_panel || embedded_panel_to_move == embedded_target_panel)
 	{
@@ -384,34 +222,14 @@ void LLLayoutStack::movePanel(LLPanel* panel_to_move, LLPanel* target_panel, boo
 	mPanels.insert(it, embedded_panel_to_move);
 }
 
-void LLLayoutStack::addPanel(LLPanel* panel, S32 min_width, S32 min_height, S32 max_width, S32 max_height, BOOL auto_resize, BOOL user_resize, EAnimate animate, S32 index)
+void LLLayoutStack::addPanel(LLLayoutPanel* panel, EAnimate animate)
 {
-	// panel starts off invisible (collapsed)
-	if (animate == ANIMATE)
-	{
-		panel->setVisible(FALSE);
-	}
-	LayoutPanel* embedded_panel = new LayoutPanel(panel, mOrientation, min_width, min_height, max_width, max_height, auto_resize, user_resize);
-	
-	mPanels.insert(mPanels.begin() + llclamp(index, 0, (S32)mPanels.size()), embedded_panel);
-	
-	if (panel->getParent() != this) 
-	{
-		addChild(panel);
-	}
-	addChild(embedded_panel->mResizeBar);
+	addChild(panel);
 
-	// bring all resize bars to the front so that they are clickable even over the panels
-	// with a bit of overlap
-	for (e_panel_list_t::iterator panel_it = mPanels.begin(); panel_it != mPanels.end(); ++panel_it)
-	{
-		LLResizeBar* resize_barp = (*panel_it)->mResizeBar;
-		sendChildToFront(resize_barp);
-	}
-
-	// start expanding panel animation
+	// panel starts off invisible (collapsed)
 	if (animate == ANIMATE)
 	{
+		panel->mVisibleAmt = 0.f;
 		panel->setVisible(TRUE);
 	}
 }
@@ -423,7 +241,7 @@ void LLLayoutStack::removePanel(LLPanel* panel)
 
 void LLLayoutStack::collapsePanel(LLPanel* panel, BOOL collapsed)
 {
-	LayoutPanel* panel_container = findEmbeddedPanel(panel);
+	LLLayoutPanel* panel_container = findEmbeddedPanel(panel);
 	if (!panel_container) return;
 
 	panel_container->mCollapsed = collapsed;
@@ -431,7 +249,7 @@ void LLLayoutStack::collapsePanel(LLPanel* panel, BOOL collapsed)
 
 void LLLayoutStack::updatePanelAutoResize(const std::string& panel_name, BOOL auto_resize)
 {
-	LayoutPanel* panel = findEmbeddedPanelByName(panel_name);
+	LLLayoutPanel* panel = findEmbeddedPanelByName(panel_name);
 
 	if (panel)
 	{
@@ -441,7 +259,7 @@ void LLLayoutStack::updatePanelAutoResize(const std::string& panel_name, BOOL au
 
 void LLLayoutStack::setPanelUserResize(const std::string& panel_name, BOOL user_resize)
 {
-	LayoutPanel* panel = findEmbeddedPanelByName(panel_name);
+	LLLayoutPanel* panel = findEmbeddedPanelByName(panel_name);
 
 	if (panel)
 	{
@@ -449,27 +267,25 @@ void LLLayoutStack::setPanelUserResize(const std::string& panel_name, BOOL user_
 	}
 }
 
-bool LLLayoutStack::getPanelMinSize(const std::string& panel_name, S32* min_widthp, S32* min_heightp)
+bool LLLayoutStack::getPanelMinSize(const std::string& panel_name, S32* min_dimp)
 {
-	LayoutPanel* panel = findEmbeddedPanelByName(panel_name);
+	LLLayoutPanel* panel = findEmbeddedPanelByName(panel_name);
 
 	if (panel)
 	{
-		if (min_widthp) *min_widthp = panel->mMinWidth;
-		if (min_heightp) *min_heightp = panel->mMinHeight;
+		if (min_dimp) *min_dimp = panel->mMinDim;
 	}
 
 	return NULL != panel;
 }
 
-bool LLLayoutStack::getPanelMaxSize(const std::string& panel_name, S32* max_widthp, S32* max_heightp)
+bool LLLayoutStack::getPanelMaxSize(const std::string& panel_name, S32* max_dimp)
 {
-	LayoutPanel* panel = findEmbeddedPanelByName(panel_name);
+	LLLayoutPanel* panel = findEmbeddedPanelByName(panel_name);
 
 	if (panel)
 	{
-		if (max_widthp) *max_widthp = panel->mMaxWidth;
-		if (max_heightp) *max_heightp = panel->mMaxHeight;
+		if (max_dimp) *max_dimp = panel->mMaxDim;
 	}
 
 	return NULL != panel;
@@ -481,6 +297,7 @@ void LLLayoutStack::updateLayout(BOOL force_resize)
 	LLFastTimer ft(FTM_UPDATE_LAYOUT);
 	static LLUICachedControl<S32> resize_bar_overlap ("UIResizeBarOverlap", 0);
 	calcMinExtents();
+	createResizeBars();
 
 	// calculate current extents
 	S32 total_width = 0;
@@ -492,7 +309,7 @@ void LLLayoutStack::updateLayout(BOOL force_resize)
 	e_panel_list_t::iterator panel_it;
 	for (panel_it = mPanels.begin(); panel_it != mPanels.end();	++panel_it)
 	{
-		LLPanel* panelp = (*panel_it)->mPanel;
+		LLPanel* panelp = (*panel_it);
 		if (panelp->getVisible()) 
 		{
 			if (mAnimate)
@@ -542,11 +359,11 @@ void LLLayoutStack::updateLayout(BOOL force_resize)
 		if (mOrientation == HORIZONTAL)
 		{
 			// enforce minimize size constraint by default
-			if (panelp->getRect().getWidth() < (*panel_it)->mMinWidth)
+			if (panelp->getRect().getWidth() < (*panel_it)->mMinDim)
 			{
-				panelp->reshape((*panel_it)->mMinWidth, panelp->getRect().getHeight());
+				panelp->reshape((*panel_it)->mMinDim, panelp->getRect().getHeight());
 			}
-        	total_width += llround(panelp->getRect().getWidth() * (*panel_it)->getCollapseFactor());
+        	total_width += llround(panelp->getRect().getWidth() * (*panel_it)->getCollapseFactor(mOrientation));
         	// want n-1 panel gaps for n panels
 			if (panel_it != mPanels.begin())
 			{
@@ -556,11 +373,11 @@ void LLLayoutStack::updateLayout(BOOL force_resize)
 		else //VERTICAL
 		{
 			// enforce minimize size constraint by default
-			if (panelp->getRect().getHeight() < (*panel_it)->mMinHeight)
+			if (panelp->getRect().getHeight() < (*panel_it)->mMinDim)
 			{
-				panelp->reshape(panelp->getRect().getWidth(), (*panel_it)->mMinHeight);
+				panelp->reshape(panelp->getRect().getWidth(), (*panel_it)->mMinDim);
 			}
-			total_height += llround(panelp->getRect().getHeight() * (*panel_it)->getCollapseFactor());
+			total_height += llround(panelp->getRect().getHeight() * (*panel_it)->getCollapseFactor(mOrientation));
 			if (panel_it != mPanels.begin())
 			{
 				total_height += mPanelSpacing;
@@ -574,7 +391,7 @@ void LLLayoutStack::updateLayout(BOOL force_resize)
 	for (panel_it = mPanels.begin(); panel_it != mPanels.end(); ++panel_it)
 	{
 		// panels that are not fully visible do not count towards shrink headroom
-		if ((*panel_it)->getCollapseFactor() < 1.f) 
+		if ((*panel_it)->getCollapseFactor(mOrientation) < 1.f) 
 		{
 			continue;
 		}
@@ -587,11 +404,11 @@ void LLLayoutStack::updateLayout(BOOL force_resize)
 		{
 			if (mOrientation == HORIZONTAL)
 			{
-				shrink_headroom_total += (*panel_it)->mPanel->getRect().getWidth() - (*panel_it)->mMinWidth;
+				shrink_headroom_total += (*panel_it)->getRect().getWidth() - (*panel_it)->mMinDim;
 			}
 			else //VERTICAL
 			{
-				shrink_headroom_total += (*panel_it)->mPanel->getRect().getHeight() - (*panel_it)->mMinHeight;
+				shrink_headroom_total += (*panel_it)->getRect().getHeight() - (*panel_it)->mMinDim;
 			}
 		}
 		else
@@ -599,13 +416,13 @@ void LLLayoutStack::updateLayout(BOOL force_resize)
 			num_resizable_panels++;
 			if (mOrientation == HORIZONTAL)
 			{
-				shrink_headroom_available += (*panel_it)->mPanel->getRect().getWidth() - (*panel_it)->mMinWidth;
-				shrink_headroom_total += (*panel_it)->mPanel->getRect().getWidth() - (*panel_it)->mMinWidth;
+				shrink_headroom_available += (*panel_it)->getRect().getWidth() - (*panel_it)->mMinDim;
+				shrink_headroom_total += (*panel_it)->getRect().getWidth() - (*panel_it)->mMinDim;
 			}
 			else //VERTICAL
 			{
-				shrink_headroom_available += (*panel_it)->mPanel->getRect().getHeight() - (*panel_it)->mMinHeight;
-				shrink_headroom_total += (*panel_it)->mPanel->getRect().getHeight() - (*panel_it)->mMinHeight;
+				shrink_headroom_available += (*panel_it)->getRect().getHeight() - (*panel_it)->mMinDim;
+				shrink_headroom_total += (*panel_it)->getRect().getHeight() - (*panel_it)->mMinDim;
 			}
 		}
 	}
@@ -628,17 +445,25 @@ void LLLayoutStack::updateLayout(BOOL force_resize)
 
 	for (panel_it = mPanels.begin(); panel_it != mPanels.end(); ++panel_it)
 	{
-		LLPanel* panelp = (*panel_it)->mPanel;
+		LLPanel* panelp = (*panel_it);
 
 		S32 cur_width = panelp->getRect().getWidth();
 		S32 cur_height = panelp->getRect().getHeight();
-		S32 new_width = llmax((*panel_it)->mMinWidth, cur_width);
-		S32 new_height = llmax((*panel_it)->mMinHeight, cur_height); 
+		S32 new_width = cur_width;
+		S32 new_height = cur_height; 
 
+		if (mOrientation == HORIZONTAL)
+		{
+			new_width = llmax((*panel_it)->mMinDim, new_width);
+		}
+		else
+		{
+			new_height = llmax((*panel_it)->mMinDim, new_height);
+		}
 		S32 delta_size = 0;
 
 		// if panel can automatically resize (not animating, and resize flag set)...
-		if ((*panel_it)->getCollapseFactor() == 1.f 
+		if ((*panel_it)->getCollapseFactor(mOrientation) == 1.f 
 			&& (force_resize || (*panel_it)->mAutoResize) 
 			&& !(*panel_it)->mResizeBar->hasMouseCapture()) 
 		{
@@ -649,8 +474,8 @@ void LLLayoutStack::updateLayout(BOOL force_resize)
 				{
 					// shrink proportionally to amount over minimum
 					// so we can do this in one pass
-					delta_size = (shrink_headroom_available > 0) ? llround((F32)pixels_to_distribute * ((F32)(cur_width - (*panel_it)->mMinWidth) / (F32)shrink_headroom_available)) : 0;
-					shrink_headroom_available -= (cur_width - (*panel_it)->mMinWidth);
+					delta_size = (shrink_headroom_available > 0) ? llround((F32)pixels_to_distribute * ((F32)(cur_width - (*panel_it)->mMinDim) / (F32)shrink_headroom_available)) : 0;
+					shrink_headroom_available -= (cur_width - (*panel_it)->mMinDim);
 				}
 				else
 				{
@@ -659,7 +484,7 @@ void LLLayoutStack::updateLayout(BOOL force_resize)
 					num_resizable_panels--;
 				}
 				pixels_to_distribute -= delta_size;
-				new_width = llmax((*panel_it)->mMinWidth, cur_width + delta_size);
+				new_width = llmax((*panel_it)->mMinDim, cur_width + delta_size);
 			}
 			else
 			{
@@ -672,8 +497,8 @@ void LLLayoutStack::updateLayout(BOOL force_resize)
 				{
 					// shrink proportionally to amount over minimum
 					// so we can do this in one pass
-					delta_size = (shrink_headroom_available > 0) ? llround((F32)pixels_to_distribute * ((F32)(cur_height - (*panel_it)->mMinHeight) / (F32)shrink_headroom_available)) : 0;
-					shrink_headroom_available -= (cur_height - (*panel_it)->mMinHeight);
+					delta_size = (shrink_headroom_available > 0) ? llround((F32)pixels_to_distribute * ((F32)(cur_height - (*panel_it)->mMinDim) / (F32)shrink_headroom_available)) : 0;
+					shrink_headroom_available -= (cur_height - (*panel_it)->mMinDim);
 				}
 				else
 				{
@@ -681,7 +506,7 @@ void LLLayoutStack::updateLayout(BOOL force_resize)
 					num_resizable_panels--;
 				}
 				pixels_to_distribute -= delta_size;
-				new_height = llmax((*panel_it)->mMinHeight, cur_height + delta_size);
+				new_height = llmax((*panel_it)->mMinDim, cur_height + delta_size);
 			}
 			else
 			{
@@ -722,11 +547,11 @@ void LLLayoutStack::updateLayout(BOOL force_resize)
 
 		if (mOrientation == HORIZONTAL)
 		{
-			cur_x += llround(new_width * (*panel_it)->getCollapseFactor()) + mPanelSpacing;
+			cur_x += llround(new_width * (*panel_it)->getCollapseFactor(mOrientation)) + mPanelSpacing;
 		}
 		else //VERTICAL
 		{
-			cur_y -= llround(new_height * (*panel_it)->getCollapseFactor()) + mPanelSpacing;
+			cur_y -= llround(new_height * (*panel_it)->getCollapseFactor(mOrientation)) + mPanelSpacing;
 		}
 	}
 
@@ -734,19 +559,19 @@ void LLLayoutStack::updateLayout(BOOL force_resize)
 	LLResizeBar* last_resize_bar = NULL;
 	for (panel_it = mPanels.begin(); panel_it != mPanels.end(); ++panel_it)
 	{
-		LLPanel* panelp = (*panel_it)->mPanel;
+		LLPanel* panelp = (*panel_it);
 
 		if (mOrientation == HORIZONTAL)
 		{
 			(*panel_it)->mResizeBar->setResizeLimits(
-				(*panel_it)->mMinWidth, 
-				(*panel_it)->mMinWidth + shrink_headroom_total);
+				(*panel_it)->mMinDim, 
+				(*panel_it)->mMinDim + shrink_headroom_total);
 		}
 		else //VERTICAL
 		{
 			(*panel_it)->mResizeBar->setResizeLimits(
-				(*panel_it)->mMinHeight, 
-				(*panel_it)->mMinHeight + shrink_headroom_total);
+				(*panel_it)->mMinDim, 
+				(*panel_it)->mMinDim + shrink_headroom_total);
 		}
 
 		// toggle resize bars based on panel visibility, resizability, etc
@@ -782,14 +607,14 @@ void LLLayoutStack::updateLayout(BOOL force_resize)
 } // end LLLayoutStack::updateLayout
 
 
-LLLayoutStack::LayoutPanel* LLLayoutStack::findEmbeddedPanel(LLPanel* panelp) const
+LLLayoutPanel* LLLayoutStack::findEmbeddedPanel(LLPanel* panelp) const
 {
 	if (!panelp) return NULL;
 
 	e_panel_list_t::const_iterator panel_it;
 	for (panel_it = mPanels.begin(); panel_it != mPanels.end(); ++panel_it)
 	{
-		if ((*panel_it)->mPanel == panelp)
+		if ((*panel_it) == panelp)
 		{
 			return *panel_it;
 		}
@@ -797,15 +622,15 @@ LLLayoutStack::LayoutPanel* LLLayoutStack::findEmbeddedPanel(LLPanel* panelp) co
 	return NULL;
 }
 
-LLLayoutStack::LayoutPanel* LLLayoutStack::findEmbeddedPanelByName(const std::string& name) const
+LLLayoutPanel* LLLayoutStack::findEmbeddedPanelByName(const std::string& name) const
 {
-	LayoutPanel* result = NULL;
+	LLLayoutPanel* result = NULL;
 
 	for (e_panel_list_t::const_iterator panel_it = mPanels.begin(); panel_it != mPanels.end(); ++panel_it)
 	{
-		LayoutPanel* p = *panel_it;
+		LLLayoutPanel* p = *panel_it;
 
-		if (p->mPanel->getName() == name)
+		if (p->getName() == name)
 		{
 			result = p;
 			break;
@@ -826,9 +651,7 @@ void LLLayoutStack::calcMinExtents()
 	{
 		if (mOrientation == HORIZONTAL)
 		{
-			mMinHeight = llmax(	mMinHeight, 
-								(*panel_it)->mMinHeight);
-            mMinWidth += (*panel_it)->mMinWidth;
+            mMinWidth += (*panel_it)->mMinDim;
 			if (panel_it != mPanels.begin())
 			{
 				mMinWidth += mPanelSpacing;
@@ -836,9 +659,7 @@ void LLLayoutStack::calcMinExtents()
 		}
 		else //VERTICAL
 		{
-	        mMinWidth = llmax(	mMinWidth, 
-								(*panel_it)->mMinWidth);
-			mMinHeight += (*panel_it)->mMinHeight;
+			mMinHeight += (*panel_it)->mMinDim;
 			if (panel_it != mPanels.begin())
 			{
 				mMinHeight += mPanelSpacing;
@@ -847,6 +668,37 @@ void LLLayoutStack::calcMinExtents()
 	}
 }
 
+void LLLayoutStack::createResizeBars()
+{
+	for (e_panel_list_t::iterator panel_it = mPanels.begin(); panel_it != mPanels.end(); ++panel_it)
+	{
+		LLLayoutPanel* lp = (*panel_it);
+		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->mMinDim);
+			resize_params.side(side);
+			resize_params.snapping_enabled(false);
+			LLResizeBar* resize_bar = LLUICtrlFactory::create<LLResizeBar>(resize_params);
+			lp->mResizeBar = resize_bar;
+			LLView::addChild(resize_bar, 0);
+
+			// bring all resize bars to the front so that they are clickable even over the panels
+			// with a bit of overlap
+			for (e_panel_list_t::iterator panel_it = mPanels.begin(); panel_it != mPanels.end(); ++panel_it)
+			{
+				LLResizeBar* resize_barp = (*panel_it)->mResizeBar;
+				sendChildToFront(resize_barp);
+			}
+		}
+	}
+}
+
 // update layout stack animations, etc. once per frame
 // NOTE: we use this to size world view based on animating UI, *before* we draw the UI
 // we might still need to call updateLayout during UI draw phase, in case UI elements
diff --git a/indra/llui/lllayoutstack.h b/indra/llui/lllayoutstack.h
index 6fcc8e2ac3..e19ef403ef 100644
--- a/indra/llui/lllayoutstack.h
+++ b/indra/llui/lllayoutstack.h
@@ -28,16 +28,21 @@
 #ifndef LL_LLLAYOUTSTACK_H
 #define LL_LLLAYOUTSTACK_H
 
-#include "llview.h"
+#include "llpanel.h"
 
 class LLPanel;
 
+class LLLayoutPanel;
+
 class LLLayoutStack : public LLView, public LLInstanceTracker<LLLayoutStack>
 {
 public:
+	struct LayoutStackRegistry : public LLChildRegistry<LayoutStackRegistry>
+	{};
+
 	struct Params : public LLInitParam::Block<Params, LLView::Params>
 	{
-		Optional<std::string>	orientation;
+		Mandatory<std::string>	orientation;
 		Optional<S32>			border_size;
 		Optional<bool>			animate,
 								clip;
@@ -45,6 +50,8 @@ public:
 		Params();
 	};
 
+	typedef LayoutStackRegistry child_registry_t;
+
 	typedef enum e_layout_orientation
 	{
 		HORIZONTAL,
@@ -56,6 +63,7 @@ public:
 	/*virtual*/ void draw();
 	/*virtual*/ void removeChild(LLView*);
 	/*virtual*/ BOOL postBuild();
+	/*virtual*/ bool addChild(LLView* child, S32 tab_group = 0);
 
 	static LLView* fromXML(LLXMLNodePtr node, LLView *parent, LLXMLNodePtr output_node = NULL);
 
@@ -68,7 +76,7 @@ public:
 		ANIMATE
 	} EAnimate;
 
-	void addPanel(LLPanel* panel, S32 min_width, S32 min_height, S32 max_width, S32 max_height, BOOL auto_resize, BOOL user_resize, EAnimate animate = NO_ANIMATE, S32 index = S32_MAX);
+	void addPanel(LLLayoutPanel* panel, EAnimate animate = NO_ANIMATE);
 	void removePanel(LLPanel* panel);
 	void collapsePanel(LLPanel* panel, BOOL collapsed = TRUE);
 	S32 getNumPanels() { return mPanels.size(); }
@@ -82,20 +90,18 @@ public:
 	void setPanelUserResize(const std::string& panel_name, BOOL user_resize);
 	
 	/**
-	 * Gets minimal width and/or height of the specified by name panel.
+	 * Gets minimal dimension along layout_stack axis of the specified by name panel.
 	 *
-	 * If it is necessary to get only the one dimension pass NULL for another one.
 	 * @returns true if specified by panel_name internal panel exists, false otherwise.
 	 */
-	bool getPanelMinSize(const std::string& panel_name, S32* min_widthp, S32* min_heightp);
+	bool getPanelMinSize(const std::string& panel_name, S32* min_dimp);
 
 	/**
-	 * Gets maximal width and/or height of the specified by name panel.
+	 * Gets maximal dimension along layout_stack axis of the specified by name panel.
 	 *
-	 * If it is necessary to get only the one dimension pass NULL for another one.
 	 * @returns true if specified by panel_name internal panel exists, false otherwise.
 	 */
-	bool getPanelMaxSize(const std::string& panel_name, S32* max_width, S32* max_height);
+	bool getPanelMaxSize(const std::string& panel_name, S32* max_dim);
 	
 	void updateLayout(BOOL force_resize = FALSE);
 	
@@ -110,19 +116,18 @@ protected:
 	friend class LLUICtrlFactory;
 
 private:
-	struct LayoutPanel;
-
+	void createResizeBars();
 	void calcMinExtents();
 	S32 getDefaultHeight(S32 cur_height);
 	S32 getDefaultWidth(S32 cur_width);
 
 	const ELayoutOrientation mOrientation;
 
-	typedef std::vector<LayoutPanel*> e_panel_list_t;
+	typedef std::vector<LLLayoutPanel*> e_panel_list_t;
 	e_panel_list_t mPanels;
 
-	LayoutPanel* findEmbeddedPanel(LLPanel* panelp) const;
-	LayoutPanel* findEmbeddedPanelByName(const std::string& name) const;
+	LLLayoutPanel* findEmbeddedPanel(LLPanel* panelp) const;
+	LLLayoutPanel* findEmbeddedPanelByName(const std::string& name) const;
 
 	S32 mMinWidth;  // calculated by calcMinExtents
 	S32 mMinHeight;  // calculated by calcMinExtents
@@ -134,4 +139,49 @@ private:
 	bool mClip;
 }; // end class LLLayoutStack
 
+class LLLayoutPanel : public LLPanel
+{
+friend class LLLayoutStack;
+friend class LLUICtrlFactory;
+public:
+	struct Params : public LLInitParam::Block<Params, LLPanel::Params>
+	{
+		Optional<S32>			min_dim,
+								max_dim;
+		Optional<bool>			user_resize,
+								auto_resize;
+
+		Params()
+		:	min_dim("min_dim", 0),
+			max_dim("max_dim", 0),
+			user_resize("user_resize", true),
+			auto_resize("auto_resize", true)
+		{
+			addSynonym(min_dim, "min_width");
+			addSynonym(min_dim, "min_height");
+			addSynonym(max_dim, "max_width");
+			addSynonym(max_dim, "max_height");
+		}
+	};
+
+	~LLLayoutPanel();
+
+	void initFromParams(const Params& p);
+protected:
+	LLLayoutPanel(const Params& p)	;
+
+	
+	F32 getCollapseFactor(LLLayoutStack::ELayoutOrientation orientation);
+
+	S32 mMinDim;
+	S32 mMaxDim;
+	BOOL mAutoResize;
+	BOOL mUserResize;
+	BOOL mCollapsed;
+	class LLResizeBar* mResizeBar;
+	F32 mVisibleAmt;
+	F32 mCollapseAmt;
+};
+
+
 #endif
diff --git a/indra/llui/lllineeditor.cpp b/indra/llui/lllineeditor.cpp
index 3646228097..48c1b9fa6b 100644
--- a/indra/llui/lllineeditor.cpp
+++ b/indra/llui/lllineeditor.cpp
@@ -1304,7 +1304,7 @@ BOOL LLLineEditor::handleSpecialKey(KEY key, MASK mask)
 			if( mCurrentHistoryLine > mLineHistory.begin() )
 			{
 				mText.assign( *(--mCurrentHistoryLine) );
-				setCursor(llmin((S32)mText.length(), getCursor()));
+				setCursorToEnd();
 			}
 			else
 			{
@@ -1321,7 +1321,7 @@ BOOL LLLineEditor::handleSpecialKey(KEY key, MASK mask)
 			if( !mLineHistory.empty() && mCurrentHistoryLine < mLineHistory.end() - 1 )
 			{
 				mText.assign( *(++mCurrentHistoryLine) );
-				setCursor(llmin((S32)mText.length(), getCursor()));
+				setCursorToEnd();
 			}
 			else
 			{
diff --git a/indra/llui/llmenugl.cpp b/indra/llui/llmenugl.cpp
index 900a814238..6d590cf54e 100644
--- a/indra/llui/llmenugl.cpp
+++ b/indra/llui/llmenugl.cpp
@@ -3738,8 +3738,7 @@ void LLContextMenuBranch::buildDrawLabel( void )
 	appendAcceleratorString( st );
 	mDrawAccelLabel = st;
 	
-	// No special branch suffix
-	mDrawBranchLabel.clear();
+	mDrawBranchLabel = LLMenuGL::BRANCH_SUFFIX;
 }
 
 void	LLContextMenuBranch::showSubMenu()
diff --git a/indra/llui/llmultislider.cpp b/indra/llui/llmultislider.cpp
index 1f6fa12969..d4e6091ee0 100644
--- a/indra/llui/llmultislider.cpp
+++ b/indra/llui/llmultislider.cpp
@@ -101,8 +101,8 @@ LLMultiSlider::LLMultiSlider(const LLMultiSlider::Params& p)
 		setMouseUpCallback(initCommitCallback(p.mouse_up_callback));
 	}
 
-	for (LLInitParam::ParamIterator<SliderParams>::const_iterator it = p.sliders().begin();
-		it != p.sliders().end();
+	for (LLInitParam::ParamIterator<SliderParams>::const_iterator it = p.sliders.begin();
+		it != p.sliders.end();
 		++it)
 	{
 		if (it->name.isProvided())
diff --git a/indra/llui/llnotifications.cpp b/indra/llui/llnotifications.cpp
index 4f179f112e..5ca2cc1cc4 100644
--- a/indra/llui/llnotifications.cpp
+++ b/indra/llui/llnotifications.cpp
@@ -27,6 +27,7 @@
 #include "linden_common.h"
 
 #include "llnotifications.h"
+#include "llnotificationtemplate.h"
 
 #include "llavatarnamecache.h"
 #include "llinstantmessage.h"
@@ -39,6 +40,8 @@
 #include "lltrans.h"
 #include "llnotificationslistener.h"
 #include "llstring.h"
+#include "llsdparam.h"
+#include "llsdutil.h"
 
 #include <algorithm>
 #include <boost/regex.hpp>
@@ -46,6 +49,56 @@
 
 const std::string NOTIFICATION_PERSIST_VERSION = "0.93";
 
+void NotificationPriorityValues::declareValues()
+{
+	declare("low", NOTIFICATION_PRIORITY_LOW);
+	declare("normal", NOTIFICATION_PRIORITY_NORMAL);
+	declare("high", NOTIFICATION_PRIORITY_HIGH);
+	declare("critical", NOTIFICATION_PRIORITY_CRITICAL);
+}
+
+LLNotificationForm::FormElementBase::FormElementBase()
+:	name("name")
+{}
+
+LLNotificationForm::FormIgnore::FormIgnore()
+:	text("text"),
+	control("control"),
+	invert_control("invert_control", true),
+	save_option("save_option", false)
+{}
+
+LLNotificationForm::FormButton::FormButton()
+:	index("index"),
+	text("text"),
+	ignore("ignore"),
+	is_default("default"),
+	type("type")
+{
+	// set type here so it gets serialized
+	type = "button";
+}
+
+LLNotificationForm::FormInput::FormInput()
+:	type("type"),
+	width("width", 0)
+{}
+
+LLNotificationForm::FormElement::FormElement()
+:	button("button"),
+	input("input")
+{}
+
+LLNotificationForm::FormElements::FormElements()
+:	elements("")
+{}
+
+LLNotificationForm::Params::Params()
+:	name("name"),
+	ignore("ignore"),
+	form_elements("")
+{}
+
 // Local channel for persistent notifications
 // Stores only persistent notifications.
 // Class users can use connectChanged() to process persistent notifications
@@ -90,12 +143,7 @@ bool filterIgnoredNotifications(LLNotificationPtr notification)
 
 	LLNotificationFormPtr form = notification->getForm();
 	// Check to see if the user wants to ignore this alert
-	if (form->getIgnoreType() != LLNotificationForm::IGNORE_NO)
-	{
-		return LLUI::sSettingGroups["ignores"]->getBOOL(notification->getName());
-	}
-
-	return true;
+	return !notification->getForm()->getIgnored();
 }
 
 bool handleIgnoredNotification(const LLSD& payload)
@@ -137,63 +185,68 @@ namespace LLNotificationFilters
 };
 
 LLNotificationForm::LLNotificationForm()
-:	mFormData(LLSD::emptyArray()),
-	mIgnore(IGNORE_NO)
+:	mIgnore(IGNORE_NO)
 {
 }
 
 
-LLNotificationForm::LLNotificationForm(const std::string& name, const LLXMLNodePtr xml_node) 
-:	mFormData(LLSD::emptyArray()),
-	mIgnore(IGNORE_NO)
+LLNotificationForm::LLNotificationForm(const std::string& name, const LLNotificationForm::Params& p) 
+:	mIgnore(IGNORE_NO),
+	mInvertSetting(true) // ignore settings by default mean true=show, false=ignore
 {
-	if (!xml_node->hasName("form"))
+	if (p.ignore.isProvided())
 	{
-		llwarns << "Bad xml node for form: " << xml_node->getName() << llendl;
-	}
-	LLXMLNodePtr child = xml_node->getFirstChild();
-	while(child)
-	{
-		child = LLNotifications::instance().checkForXMLTemplate(child);
+		mIgnoreMsg = p.ignore.text;
 
-		LLSD item_entry;
-		std::string element_name = child->getName()->mString;
+		if (!p.ignore.save_option)
+		{
+			mIgnore = IGNORE_WITH_DEFAULT_RESPONSE;
+		}
+		else
+		{
+			// remember last option chosen by user and automatically respond with that in the future
+			mIgnore = IGNORE_WITH_LAST_RESPONSE;
+			LLUI::sSettingGroups["ignores"]->declareLLSD(std::string("Default") + name, "", std::string("Default response for notification " + name));
+		}
 
-		if (element_name == "ignore" )
+		BOOL show_notification = TRUE;
+		if (p.ignore.control.isProvided())
 		{
-			bool save_option = false;
-			child->getAttribute_bool("save_option", save_option);
-			if (!save_option)
-			{
-				mIgnore = IGNORE_WITH_DEFAULT_RESPONSE;
-			}
-			else
-			{
-				// remember last option chosen by user and automatically respond with that in the future
-				mIgnore = IGNORE_WITH_LAST_RESPONSE;
-				LLUI::sSettingGroups["ignores"]->declareLLSD(std::string("Default") + name, "", std::string("Default response for notification " + name));
-			}
-			child->getAttributeString("text", mIgnoreMsg);
-			BOOL show_notification = TRUE;
-			LLUI::sSettingGroups["ignores"]->declareBOOL(name, show_notification, "Ignore notification with this name", TRUE);
+			mIgnoreSetting = LLUI::sSettingGroups["config"]->getControl(p.ignore.control);
+			mInvertSetting = p.ignore.invert_control;
 		}
 		else
 		{
-			// flatten xml form entry into single LLSD map with type==name
-			item_entry["type"] = element_name;
-			const LLXMLAttribList::iterator attrib_end = child->mAttributes.end();
-			for(LLXMLAttribList::iterator attrib_it = child->mAttributes.begin();
-				attrib_it != attrib_end;
-				++attrib_it)
-			{
-				item_entry[std::string(attrib_it->second->getName()->mString)] = attrib_it->second->getValue();
-			}
-			item_entry["value"] = child->getTextContents();
-			mFormData.append(item_entry);
+			LLUI::sSettingGroups["ignores"]->declareBOOL(name, show_notification, "Ignore notification with this name", TRUE);
+			mIgnoreSetting = LLUI::sSettingGroups["ignores"]->getControl(name);
 		}
+	}
+
+	LLParamSDParser parser;
+	parser.writeSD(mFormData, p.form_elements);
+
+	mFormData = mFormData[""];
+	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;
+	}
 
-		child = child->getNextSibling();
+	for (LLSD::array_iterator it = mFormData.beginArray(), end_it = mFormData.endArray();
+		it != end_it;
+		++it)
+	{
+		// lift contents of form element up a level, since element type is already encoded in "type" param
+		if (it->isMap() && it->beginMap() != it->endMap())
+		{
+			*it = it->beginMap()->second;
+		}
 	}
+
+	LL_DEBUGS("Notifications") << name << LL_ENDL;
+	LL_DEBUGS("Notifications") << ll_pretty_print_sd(mFormData) << LL_ENDL;
 }
 
 LLNotificationForm::LLNotificationForm(const LLSD& sd)
@@ -295,16 +348,64 @@ std::string LLNotificationForm::getDefaultOption()
 	return "";
 }
 
-LLNotificationTemplate::LLNotificationTemplate() :
-	mExpireSeconds(0),
-	mExpireOption(-1),
-	mURLOption(-1),
-	mURLOpenExternally(-1),
-	mPersist(false),
-	mUnique(false),
-	mPriority(NOTIFICATION_PRIORITY_NORMAL)
+LLControlVariablePtr LLNotificationForm::getIgnoreSetting() 
+{ 
+	return mIgnoreSetting; 
+}
+
+bool LLNotificationForm::getIgnored()
+{
+	bool ignored = false;
+	if (mIgnore != LLNotificationForm::IGNORE_NO
+		&& mIgnoreSetting) 
+	{
+		ignored = mIgnoreSetting->getValue().asBoolean();
+		if (mInvertSetting) ignored = !ignored;
+	}
+
+	return ignored;
+}
+
+void LLNotificationForm::setIgnored(bool ignored)
 {
-	mForm = LLNotificationFormPtr(new LLNotificationForm()); 
+	if (mIgnoreSetting)
+	{
+		if (mInvertSetting) ignored = !ignored;
+		mIgnoreSetting->setValue(ignored);
+	}
+}
+
+LLNotificationTemplate::LLNotificationTemplate(const LLNotificationTemplate::Params& p)
+:	mName(p.name),
+	mType(p.type),
+	mMessage(p.value),
+	mLabel(p.label),
+	mIcon(p.icon),
+	mURL(p.url.value),
+	mExpireSeconds(p.duration),
+	mExpireOption(p.expire_option),
+	mURLOption(p.url.option),
+	mURLTarget(p.url.target),
+	mUnique(p.unique.isProvided()),
+	mPriority(p.priority),
+	mPersist(p.persist),
+	mDefaultFunctor(p.functor.isProvided() ? p.functor() : p.name())
+{
+	if (p.sound.isProvided()
+		&& LLUI::sSettingGroups["config"]->controlExists(p.sound))
+	{
+		mSoundEffect = LLUUID(LLUI::sSettingGroups["config"]->getString(p.sound));
+	}
+
+	for(LLInitParam::ParamIterator<LLNotificationTemplate::UniquenessContext>::const_iterator it = p.unique.contexts.begin(),
+			end_it = p.unique.contexts.end();
+		it != end_it;
+		++it)
+	{
+		mUniqueContext.push_back(it->key);
+	}
+
+	mForm = LLNotificationFormPtr(new LLNotificationForm(p.name, p.form_ref.form));
 }
 
 LLNotification::LLNotification(const LLNotification::Params& p) : 
@@ -501,7 +602,7 @@ void LLNotification::respond(const LLSD& response)
 	{
 		mResponder->handleRespond(asLLSD(), response);
 	}
-	else
+	else if (!mResponseFunctorName.empty())
 	{
 		// look up the functor
 		LLNotificationFunctorRegistry::ResponseFunctor functor =
@@ -509,6 +610,11 @@ void LLNotification::respond(const LLSD& response)
 		// and then call it
 		functor(asLLSD(), response);
 	}
+	else
+	{
+		// no registered responder
+		return;
+	}
 
 	if (mTemporaryResponder && !isReusable())
 	{
@@ -519,8 +625,7 @@ void LLNotification::respond(const LLSD& response)
 
 	if (mForm->getIgnoreType() != LLNotificationForm::IGNORE_NO)
 	{
-		BOOL show_notification = mIgnored ? FALSE : TRUE;
-		LLUI::sSettingGroups["ignores"]->setBOOL(getName(), show_notification);
+		mForm->setIgnored(mIgnored);
 		if (mIgnored && mForm->getIgnoreType() == LLNotificationForm::IGNORE_WITH_LAST_RESPONSE)
 		{
 			LLUI::sSettingGroups["ignores"]->setLLSD("Default" + getName(), response);
@@ -530,6 +635,49 @@ void LLNotification::respond(const LLSD& response)
 	update();
 }
 
+void LLNotification::respondWithDefault()
+{
+	respond(getResponseTemplate(WITH_DEFAULT_BUTTON));
+}
+
+
+const std::string& LLNotification::getName() const
+{
+	return mTemplatep->mName;
+}
+
+const std::string& LLNotification::getIcon() const
+{
+	return mTemplatep->mIcon;
+}
+
+
+bool LLNotification::isPersistent() const
+{
+	return mTemplatep->mPersist;
+}
+
+std::string LLNotification::getType() const
+{
+	return (mTemplatep ? mTemplatep->mType : "");
+}
+
+S32 LLNotification::getURLOption() const
+{
+	return (mTemplatep ? mTemplatep->mURLOption : -1);
+}
+
+S32 LLNotification::getURLOpenExternally() const
+{
+	return(mTemplatep? mTemplatep->mURLTarget == "_external": -1);
+}
+
+bool LLNotification::hasUniquenessConstraints() const 
+{ 
+	return (mTemplatep ? mTemplatep->mUnique : false);
+}
+
+
 void LLNotification::setIgnored(bool ignore)
 {
 	mIgnored = ignore;
@@ -609,6 +757,8 @@ void LLNotification::init(const std::string& template_name, const LLSD& form_ele
 	// apply substitution to form labels
 	mForm->formatElements(mSubstitutions);
 
+	mIgnored = mForm->getIgnored();
+
 	LLDate rightnow = LLDate::now();
 	if (mTemplatep->mExpireSeconds)
 	{
@@ -1097,11 +1247,6 @@ bool LLNotifications::templateExists(const std::string& name)
 	return (mTemplates.count(name) != 0);
 }
 
-void LLNotifications::clearTemplates()
-{
-	mTemplates.clear();
-}
-
 void LLNotifications::forceResponse(const LLNotification::Params& params, S32 option)
 {
 	LLNotificationPtr temp_notify(new LLNotification(params));
@@ -1164,190 +1309,88 @@ void replaceSubstitutionStrings(LLXMLNodePtr node, StringMap& replacements)
 	}
 }
 
-// private to this file
-// returns true if the template request was invalid and there's nothing else we
-// can do with this node, false if you should keep processing (it may have
-// replaced the contents of the node referred to)
-LLXMLNodePtr LLNotifications::checkForXMLTemplate(LLXMLNodePtr item)
+void replaceFormText(LLNotificationForm::Params& form, const std::string& pattern, const std::string& replace)
 {
-	if (item->hasName("usetemplate"))
+	if (form.ignore.isProvided() && form.ignore.text() == pattern)
 	{
-		std::string replacementName;
-		if (item->getAttributeString("name", replacementName))
+		form.ignore.text = replace;
+	}
+	for (LLInitParam::ParamIterator<LLNotificationForm::FormElement>::iterator it = form.form_elements.elements.begin(),
+			end_it = form.form_elements.elements.end();
+		it != end_it;
+		++it)
+	{
+		if (it->button.isChosen() && it->button.text() == pattern)
 		{
-			StringMap replacements;
-			for (LLXMLAttribList::const_iterator it=item->mAttributes.begin(); 
-				 it != item->mAttributes.end(); ++it)
-			{
-				replacements[it->second->getName()->mString] = it->second->getValue();
-			}
-			if (mXmlTemplates.count(replacementName))
-			{
-				item=LLXMLNode::replaceNode(item, mXmlTemplates[replacementName]);
-				
-				// walk the nodes looking for $(substitution) here and replace
-				replaceSubstitutionStrings(item, replacements);
-			}
-			else
-			{
-				llwarns << "XML template lookup failure on '" << replacementName << "' " << llendl;
-			}
+			it->button.text = replace;
 		}
 	}
-	return item;
 }
 
 bool LLNotifications::loadTemplates()
 {
 	const std::string xml_filename = "notifications.xml";
+	std::string full_filename = gDirUtilp->findSkinnedFilename(LLUI::getXUIPaths().front(), xml_filename);
+
 	LLXMLNodePtr root;
-	
 	BOOL success  = LLUICtrlFactory::getLayeredXMLNode(xml_filename, root);
 	
 	if (!success || root.isNull() || !root->hasName( "notifications" ))
 	{
-		llerrs << "Problem reading UI Notifications file: " << xml_filename << llendl;
+		llerrs << "Problem reading UI Notifications file: " << full_filename << llendl;
 		return false;
 	}
-	
-	clearTemplates();
-	
-	for (LLXMLNodePtr item = root->getFirstChild();
-		 item.notNull(); item = item->getNextSibling())
-	{
-		// we do this FIRST so that item can be changed if we 
-		// encounter a usetemplate -- we just replace the
-		// current xml node and keep processing
-		item = checkForXMLTemplate(item);
-		
-		if (item->hasName("global"))
-		{
-			std::string global_name;
-			if (item->getAttributeString("name", global_name))
-			{
-				mGlobalStrings[global_name] = item->getTextContents();
-			}
-			continue;
-		}
-		
-		if (item->hasName("template"))
-		{
-			// store an xml template; templates must have a single node (can contain
-			// other nodes)
-			std::string name;
-			item->getAttributeString("name", name);
-			LLXMLNodePtr ptr = item->getFirstChild();
-			mXmlTemplates[name] = ptr;
-			continue;
-		}
-		
-		if (!item->hasName("notification"))
-		{
-            llwarns << "Unexpected entity " << item->getName()->mString << 
-                       " found in " << xml_filename << llendl;
-			continue;
-		}
-		
-		// now we know we have a notification entry, so let's build it
-		LLNotificationTemplatePtr pTemplate(new LLNotificationTemplate());
 
-		if (!item->getAttributeString("name", pTemplate->mName))
-		{
-			llwarns << "Unable to parse notification with no name" << llendl;
-			continue;
-		}
-		
-		//llinfos << "Parsing " << pTemplate->mName << llendl;
-		
-		pTemplate->mMessage = item->getTextContents();
-		pTemplate->mDefaultFunctor = pTemplate->mName;
-		item->getAttributeString("type", pTemplate->mType);
-		item->getAttributeString("icon", pTemplate->mIcon);
-		item->getAttributeString("label", pTemplate->mLabel);
-		item->getAttributeU32("duration", pTemplate->mExpireSeconds);
-		item->getAttributeU32("expireOption", pTemplate->mExpireOption);
-
-		std::string priority;
-		item->getAttributeString("priority", priority);
-		pTemplate->mPriority = NOTIFICATION_PRIORITY_NORMAL;
-		if (!priority.empty())
-		{
-			if (priority == "low")      pTemplate->mPriority = NOTIFICATION_PRIORITY_LOW;
-			if (priority == "normal")   pTemplate->mPriority = NOTIFICATION_PRIORITY_NORMAL;
-			if (priority == "high")     pTemplate->mPriority = NOTIFICATION_PRIORITY_HIGH;
-			if (priority == "critical") pTemplate->mPriority = NOTIFICATION_PRIORITY_CRITICAL;
-		}
-		
-		item->getAttributeString("functor", pTemplate->mDefaultFunctor);
-
-		BOOL persist = false;
-		item->getAttributeBOOL("persist", persist);
-		pTemplate->mPersist = persist;
-		
-		std::string sound;
-		item->getAttributeString("sound", sound);
-		if (!sound.empty())
+	LLNotificationTemplate::Notifications params;
+	LLXUIParser parser;
+	parser.readXUI(root, params, full_filename);
+
+	mTemplates.clear();
+
+	for(LLInitParam::ParamIterator<LLNotificationTemplate::GlobalString>::const_iterator it = params.strings.begin(), end_it = params.strings.end();
+		it != end_it;
+		++it)
+	{
+		mGlobalStrings[it->name] = it->value;
+	}
+
+	std::map<std::string, LLNotificationForm::Params> form_templates;
+
+	for(LLInitParam::ParamIterator<LLNotificationTemplate::Template>::const_iterator it = params.templates.begin(), end_it = params.templates.end();
+		it != end_it;
+		++it)
+	{
+		form_templates[it->name] = it->form;
+	}
+
+	for(LLInitParam::ParamIterator<LLNotificationTemplate::Params>::iterator it = params.notifications.begin(), end_it = params.notifications.end();
+		it != end_it;
+		++it)
+	{
+		if (it->form_ref.form_template.isChosen())
 		{
-			// test for bad sound effect name / missing effect
-			if (LLUI::sSettingGroups["config"]->controlExists(sound))
+			// replace form contents from template
+			it->form_ref.form = form_templates[it->form_ref.form_template.name];
+			if(it->form_ref.form_template.yes_text.isProvided())
 			{
-				pTemplate->mSoundEffect = 
-					LLUUID(LLUI::sSettingGroups["config"]->getString(sound));
+				replaceFormText(it->form_ref.form, "$yestext", it->form_ref.form_template.yes_text);
 			}
-			else
+			if(it->form_ref.form_template.no_text.isProvided())
 			{
-				llwarns << "Unknown sound effect control name " << sound
-					<< llendl;
+				replaceFormText(it->form_ref.form, "$notext", it->form_ref.form_template.no_text);
 			}
-		}
-
-		for (LLXMLNodePtr child = item->getFirstChild();
-			 !child.isNull(); child = child->getNextSibling())
-		{
-			child = checkForXMLTemplate(child);
-			
-			// <url>
-			if (child->hasName("url"))
+			if(it->form_ref.form_template.cancel_text.isProvided())
 			{
-				pTemplate->mURL = child->getTextContents();
-				child->getAttributeU32("option", pTemplate->mURLOption);
-				child->getAttributeU32("openexternally", pTemplate->mURLOpenExternally);
+				replaceFormText(it->form_ref.form, "$canceltext", it->form_ref.form_template.cancel_text);
 			}
-			
-            if (child->hasName("unique"))
-            {
-                pTemplate->mUnique = true;
-                for (LLXMLNodePtr formitem = child->getFirstChild();
-                     !formitem.isNull(); formitem = formitem->getNextSibling())
-                {
-                    if (formitem->hasName("context"))
-                    {
-                        std::string key;
-                        formitem->getAttributeString("key", key);
-                        pTemplate->mUniqueContext.push_back(key);
-                        //llwarns << "adding " << key << " to unique context" << llendl;
-                    }
-                    else
-                    {
-                        llwarns << "'unique' has unrecognized subelement " 
-                        << formitem->getName()->mString << llendl;
-                    }
-                }
-            }
-            
-			// <form>
-			if (child->hasName("form"))
+			if(it->form_ref.form_template.ignore_text.isProvided())
 			{
-                pTemplate->mForm = LLNotificationFormPtr(new LLNotificationForm(pTemplate->mName, child));
+				replaceFormText(it->form_ref.form, "$ignoretext", it->form_ref.form_template.ignore_text);
 			}
 		}
-		addTemplate(pTemplate->mName, pTemplate);
+		addTemplate(it->name, LLNotificationTemplatePtr(new LLNotificationTemplate(*it)));
 	}
-	
-	//std::ostringstream ostream;
-	//root->writeToOstream(ostream, "\n  ");
-	//llwarns << ostream.str() << llendl;
-	
+
 	return true;
 }
 
@@ -1398,6 +1441,8 @@ LLNotificationPtr LLNotifications::add(const LLNotification::Params& p)
 
 void LLNotifications::add(const LLNotificationPtr pNotif)
 {
+	if (pNotif == NULL) return;
+
 	// first see if we already have it -- if so, that's a problem
 	LLNotificationSet::iterator it=mItems.find(pNotif);
 	if (it != mItems.end())
@@ -1410,6 +1455,8 @@ void LLNotifications::add(const LLNotificationPtr pNotif)
 
 void LLNotifications::cancel(LLNotificationPtr pNotif)
 {
+	if (pNotif == NULL) return;
+
 	LLNotificationSet::iterator it=mItems.find(pNotif);
 	if (it == mItems.end())
 	{
@@ -1419,6 +1466,30 @@ void LLNotifications::cancel(LLNotificationPtr pNotif)
 	updateItem(LLSD().with("sigtype", "delete").with("id", pNotif->id()), pNotif);
 }
 
+void LLNotifications::cancelByName(const std::string& name)
+{
+	std::vector<LLNotificationPtr> notifs_to_cancel;
+	for (LLNotificationSet::iterator it=mItems.begin(), end_it = mItems.end();
+		it != end_it;
+		++it)
+	{
+		LLNotificationPtr pNotif = *it;
+		if (pNotif->getName() == name)
+		{
+			notifs_to_cancel.push_back(pNotif);
+		}
+	}
+
+	for (std::vector<LLNotificationPtr>::iterator it = notifs_to_cancel.begin(), end_it = notifs_to_cancel.end();
+		it != end_it;
+		++it)
+	{
+		LLNotificationPtr pNotif = *it;
+		pNotif->cancel();
+		updateItem(LLSD().with("sigtype", "delete").with("id", pNotif->id()), pNotif);
+	}
+}
+
 void LLNotifications::update(const LLNotificationPtr pNotif)
 {
 	LLNotificationSet::iterator it=mItems.find(pNotif);
diff --git a/indra/llui/llnotifications.h b/indra/llui/llnotifications.h
index 952bb7f446..f84d9e3921 100644
--- a/indra/llui/llnotifications.h
+++ b/indra/llui/llnotifications.h
@@ -100,7 +100,6 @@
 #include "llnotificationptr.h"
 
 class LLAvatarName;
-	
 typedef enum e_notification_priority
 {
 	NOTIFICATION_PRIORITY_UNSPECIFIED,
@@ -110,6 +109,11 @@ typedef enum e_notification_priority
 	NOTIFICATION_PRIORITY_CRITICAL
 } ENotificationPriority;
 
+struct NotificationPriorityValues : public LLInitParam::TypeValuesHelper<ENotificationPriority, NotificationPriorityValues>
+{
+	static void declareValues();
+};
+
 class LLNotificationResponderInterface
 {
 public:
@@ -157,6 +161,66 @@ class LLNotificationForm
 	LOG_CLASS(LLNotificationForm);
 
 public:
+	struct FormElementBase : public LLInitParam::Block<FormElementBase>
+	{
+		Optional<std::string>	name;
+
+		FormElementBase();
+	};
+
+	struct FormIgnore : public LLInitParam::Block<FormIgnore, FormElementBase>
+	{
+		Optional<std::string>	text;
+		Optional<bool>			save_option;
+		Optional<std::string>	control;
+		Optional<bool>			invert_control;
+
+		FormIgnore();
+	};
+
+	struct FormButton : public LLInitParam::Block<FormButton, FormElementBase>
+	{
+		Mandatory<S32>			index;
+		Mandatory<std::string>	text;
+		Optional<std::string>	ignore;
+		Optional<bool>			is_default;
+
+		Mandatory<std::string>	type;
+
+		FormButton();
+	};
+
+	struct FormInput : public LLInitParam::Block<FormInput, FormElementBase>
+	{
+		Mandatory<std::string>	type;
+		Optional<S32>			width;
+
+		FormInput();
+	};
+
+	struct FormElement : public LLInitParam::Choice<FormElement>
+	{
+		Alternative<FormButton> button;
+		Alternative<FormInput>	input;
+
+		FormElement();
+	};
+
+	struct FormElements : public LLInitParam::Block<FormElements>
+	{
+		Multiple<FormElement> elements;
+		FormElements();
+	};
+
+	struct Params : public LLInitParam::Block<Params>
+	{
+		Optional<std::string>	name;
+		Optional<FormIgnore>	ignore;
+		Optional<FormElements>	form_elements;
+
+		Params();
+	};
+
 	typedef enum e_ignore_type
 	{ 
 		IGNORE_NO,
@@ -167,8 +231,7 @@ public:
 
 	LLNotificationForm();
 	LLNotificationForm(const LLSD& sd);
-	LLNotificationForm(const std::string& name, 
-		const LLPointer<class LLXMLNode> xml_node);
+	LLNotificationForm(const std::string& name, const Params& p);
 
 	LLSD asLLSD() const;
 
@@ -181,92 +244,25 @@ public:
 	// appends form elements from another form serialized as LLSD
 	void append(const LLSD& sub_form);
 	std::string getDefaultOption();
+	LLPointer<class LLControlVariable> getIgnoreSetting();
+	bool getIgnored();
+	void setIgnored(bool ignored);
 
 	EIgnoreType getIgnoreType() { return mIgnore; }
 	std::string getIgnoreMessage() { return mIgnoreMsg; }
 
 private:
-	LLSD	mFormData;
-	EIgnoreType mIgnore;
-	std::string mIgnoreMsg;
+	LLSD								mFormData;
+	EIgnoreType							mIgnore;
+	std::string							mIgnoreMsg;
+	LLPointer<class LLControlVariable>	mIgnoreSetting;
+	bool								mInvertSetting;
 };
 
 typedef boost::shared_ptr<LLNotificationForm> LLNotificationFormPtr;
 
-// This is the class of object read from the XML file (notifications.xml, 
-// from the appropriate local language directory).
-struct LLNotificationTemplate
-{
-	LLNotificationTemplate();
-    // the name of the notification -- the key used to identify it
-    // Ideally, the key should follow variable naming rules 
-    // (no spaces or punctuation).
-    std::string mName;
-    // The type of the notification
-    // used to control which queue it's stored in
-    std::string mType;
-    // The text used to display the notification. Replaceable parameters
-    // are enclosed in square brackets like this [].
-    std::string mMessage;
-	// The label for the notification; used for 
-	// certain classes of notification (those with a window and a window title). 
-	// Also used when a notification pops up underneath the current one.
-	// Replaceable parameters can be used in the label.
-	std::string mLabel;
-	// The name of the icon image. This should include an extension.
-	std::string mIcon;
-    // This is the Highlander bit -- "There Can Be Only One"
-    // An outstanding notification with this bit set
-    // is updated by an incoming notification with the same name,
-    // rather than creating a new entry in the queue.
-    // (used for things like progress indications, or repeating warnings
-    // like "the grid is going down in N minutes")
-    bool mUnique;
-    // if we want to be unique only if a certain part of the payload is 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
-    // new and the old notification; otherwise, the notification will be
-    // duplicated. This is to support suppressing duplicate offers from the same
-    // sender but still differentiating different offers. Example: Invitation to
-    // conference chat.
-    std::vector<std::string> mUniqueContext;
-    // If this notification expires automatically, this value will be 
-    // nonzero, and indicates the number of seconds for which the notification
-    // will be valid (a teleport offer, for example, might be valid for 
-    // 300 seconds). 
-    U32 mExpireSeconds;
-    // if the offer expires, one of the options is chosen automatically
-    // based on its "value" parameter. This controls which one. 
-    // If expireSeconds is specified, expireOption should also be specified.
-    U32 mExpireOption;
-    // if the notification contains a url, it's stored here (and replaced 
-    // into the message where [_URL] is found)
-    std::string mURL;
-    // if there's a URL in the message, this controls which option visits
-    // that URL. Obsolete this and eliminate the buttons for affected
-    // messages when we allow clickable URLs in the UI
-    U32 mURLOption;
-	
-	U32 mURLOpenExternally;
-	//This is a flag that tells if the url needs to open externally dispite 
-	//what the user setting is.
-	
-	// does this notification persist across sessions? if so, it will be
-	// serialized to disk on first receipt and read on startup
-	bool mPersist;
-	// This is the name of the default functor, if present, to be
-	// used for the notification's callback. It is optional, and used only if 
-	// the notification is constructed without an identified functor.
-	std::string mDefaultFunctor;
-	// The form data associated with a given notification (buttons, text boxes, etc)
-    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;
-};
+
+struct LLNotificationTemplate;
 
 // we want to keep a map of these by name, and it's best to manage them
 // with smart pointers
@@ -302,7 +298,7 @@ public:
 		// optional
 		Optional<LLSD>							substitutions;
 		Optional<LLSD>							payload;
-		Optional<ENotificationPriority>			priority;
+		Optional<ENotificationPriority, NotificationPriorityValues>	priority;
 		Optional<LLSD>							form_elements;
 		Optional<LLDate>						time_stamp;
 		Optional<LLNotificationContext*>		context;
@@ -445,6 +441,7 @@ public:
 	LLSD asLLSD();
 
 	void respond(const LLSD& sd);
+	void respondWithDefault();
 
 	void* getResponder() { return mResponderObj; }
 
@@ -462,6 +459,13 @@ public:
 		return mRespondedTo;
 	}
 
+	bool isActive() const
+	{
+		return !isRespondedTo()
+			&& !isCancelled()
+			&& !isExpired();
+	}
+
 	const LLSD& getResponse() { return mResponse; }
 
 	bool isIgnored() const
@@ -469,15 +473,11 @@ public:
 		return mIgnored;
 	}
 
-	const std::string& getName() const
-	{
-		return mTemplatep->mName;
-	}
+	const std::string& getName() const;
 
-	bool isPersistent() const
-	{
-		return mTemplatep->mPersist;
-	}
+	const std::string& getIcon() const;
+
+	bool isPersistent() const;
 
 	const LLUUID& id() const
 	{
@@ -499,28 +499,12 @@ public:
 		return mTimestamp;
 	}
 
-	std::string getType() const
-	{
-		return (mTemplatep ? mTemplatep->mType : "");
-	}
-
+	std::string getType() const;
 	std::string getMessage() const;
 	std::string getLabel() const;
-
 	std::string getURL() const;
-//	{
-//		return (mTemplatep ? mTemplatep->mURL : "");
-//	}
-
-	S32 getURLOption() const
-	{
-		return (mTemplatep ? mTemplatep->mURLOption : -1);
-	}
-    
-	S32 getURLOpenExternally() const
-	{
-		return(mTemplatep? mTemplatep->mURLOpenExternally : -1);
-	}
+	S32 getURLOption() const;
+    S32 getURLOpenExternally() const;
 	
 	const LLNotificationFormPtr getForm();
 
@@ -590,7 +574,7 @@ public:
 	
 	std::string summarize() const;
 
-	bool hasUniquenessConstraints() const { return (mTemplatep ? mTemplatep->mUnique : false);}
+	bool hasUniquenessConstraints() const;
 
 	virtual ~LLNotification() {}
 };
@@ -872,7 +856,6 @@ public:
 	// load notification descriptions from file; 
 	// OK to call more than once because it will reload
 	bool loadTemplates();  
-	LLPointer<class LLXMLNode> checkForXMLTemplate(LLPointer<class LLXMLNode> item);
 	
 	// Add a simple notification (from XUI)
 	void addFromCallback(const LLSD& name);
@@ -894,6 +877,7 @@ public:
 
 	void add(const LLNotificationPtr pNotif);
 	void cancel(LLNotificationPtr pNotif);
+	void cancelByName(const std::string& name);
 	void update(const LLNotificationPtr pNotif);
 
 	LLNotificationPtr find(LLUUID uuid);
@@ -917,8 +901,6 @@ public:
 
 	// test for existence
 	bool templateExists(const std::string& name);
-	// useful if you're reloading the file
-	void clearTemplates();   // erase all templates
 
 	void forceResponse(const LLNotification::Params& params, S32 option);
 
@@ -956,9 +938,6 @@ private:
 
 	std::string mFileName;
 	
-	typedef std::map<std::string, LLPointer<class LLXMLNode> > XMLTemplateMap;
-	XMLTemplateMap mXmlTemplates;
-
 	LLNotificationMap mUniqueNotifications;
 	
 	typedef std::map<std::string, std::string> GlobalStringMap;
diff --git a/indra/llui/llnotificationslistener.cpp b/indra/llui/llnotificationslistener.cpp
index 44a90398fd..3bbeb3a778 100644
--- a/indra/llui/llnotificationslistener.cpp
+++ b/indra/llui/llnotificationslistener.cpp
@@ -29,6 +29,7 @@
 #include "linden_common.h"
 #include "llnotificationslistener.h"
 #include "llnotifications.h"
+#include "llnotificationtemplate.h"
 #include "llsd.h"
 #include "llui.h"
 
@@ -182,7 +183,11 @@ void LLNotificationsListener::ignore(const LLSD& params) const
     if (params["name"].isDefined())
     {
         // ["name"] was passed: ignore just that notification
-        LLUI::sSettingGroups["ignores"]->setBOOL(params["name"], ignore);
+		LLNotificationTemplatePtr templatep = mNotifications.getTemplate(params["name"]);
+		if (templatep)
+		{
+			templatep->mForm->setIgnored(ignore);
+		}
     }
     else
     {
diff --git a/indra/llui/llnotificationtemplate.h b/indra/llui/llnotificationtemplate.h
new file mode 100644
index 0000000000..6bc0d2aaff
--- /dev/null
+++ b/indra/llui/llnotificationtemplate.h
@@ -0,0 +1,282 @@
+/**
+* @file llnotificationtemplate.h
+* @brief Description of notification contents
+* @author Q (with assistance from Richard and Coco)
+*
+* $LicenseInfo:firstyear=2008&license=viewerlgpl$
+* 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_LLNOTIFICATION_TEMPLATE_H
+#define LL_LLNOTIFICATION_TEMPLATE_H
+
+//#include <string>
+//#include <list>
+//#include <vector>
+//#include <map>
+//#include <set>
+//#include <iomanip>
+//#include <sstream>
+//
+//#include <boost/utility.hpp>
+//#include <boost/shared_ptr.hpp>
+//#include <boost/enable_shared_from_this.hpp>
+//#include <boost/type_traits.hpp>
+//
+//// we want to minimize external dependencies, but this one is important
+//#include "llsd.h"
+//
+//// and we need this to manage the notification callbacks
+//#include "llevents.h"
+//#include "llfunctorregistry.h"
+//#include "llpointer.h"
+#include "llinitparam.h"
+//#include "llnotificationslistener.h"
+//#include "llnotificationptr.h"
+//#include "llcachename.h"
+#include "llnotifications.h"
+
+
+typedef boost::shared_ptr<LLNotificationForm> LLNotificationFormPtr;
+
+// This is the class of object read from the XML file (notifications.xml, 
+// from the appropriate local language directory).
+struct LLNotificationTemplate
+{
+	struct GlobalString : public LLInitParam::Block<GlobalString>
+	{
+		Mandatory<std::string>	name,
+								value;
+
+		GlobalString()
+		:	name("name"),
+			value("value")
+		{}
+	};
+
+	struct UniquenessContext : public LLInitParam::Block<UniquenessContext>
+	{
+		Mandatory<std::string>	key;
+
+		UniquenessContext()
+		:	key("key")
+		{}
+		
+	};
+
+	struct UniquenessConstraint : public LLInitParam::Block<UniquenessConstraint>
+	{
+	private:
+		// this idiom allows 
+		// <notification unique="true">
+		// as well as
+		// <notification> <unique> <context key=""/> </unique>...
+		Optional<bool>			dummy_val;
+	public:
+		Multiple<UniquenessContext>	contexts;
+
+		UniquenessConstraint()
+		:	contexts("context"),
+			dummy_val("")
+		{}
+	};
+
+	// Templates are used to define common form types, such as OK/Cancel dialogs, etc.
+
+	struct Template : public LLInitParam::Block<Template>
+	{
+		Mandatory<std::string>					name;
+		Mandatory<LLNotificationForm::Params>	form;
+
+		Template()
+		:	name("name"),
+			form("form")
+		{}
+	};
+
+	// Reference a template to use its form elements
+	struct TemplateRef : public LLInitParam::Block<TemplateRef>
+	{
+		Mandatory<std::string>	name;
+		Optional<std::string>	yes_text,
+								no_text,
+								cancel_text,
+								ignore_text;
+
+		TemplateRef()
+		:	name("name"),
+			yes_text("yestext"),
+			no_text("notext"),
+			cancel_text("canceltext"),
+			ignore_text("ignoretext")
+		{}
+	};
+
+	struct URL : public LLInitParam::Block<URL>
+	{
+		Mandatory<S32>			option;
+		Mandatory<std::string>	value;
+		Optional<std::string>	target;
+		Ignored					name;
+
+		URL()
+		:	option("option", -1),
+			value("value"),
+			target("target", "_blank"),
+			name("name")
+		{}
+	};
+
+	struct FormRef : public LLInitParam::Choice<FormRef>
+	{
+		Alternative<LLNotificationForm::Params>		form;
+		Alternative<TemplateRef>					form_template;
+
+		FormRef()
+		:	form("form"),
+			form_template("usetemplate")
+		{}
+	};
+
+	struct Params : public LLInitParam::Block<Params>
+	{
+		Mandatory<std::string>			name;
+		Optional<bool>					persist;
+		Optional<std::string>			functor,
+										icon,
+										label,
+										sound,
+										type,
+										value;
+		Optional<U32>					duration;
+		Optional<S32>					expire_option;
+		Optional<URL>					url;
+		Optional<UniquenessConstraint>	unique;
+		Optional<FormRef>				form_ref;
+		Optional<ENotificationPriority, 
+			NotificationPriorityValues> priority;
+
+
+		Params()
+		:	name("name"),
+			persist("persist", false),
+			functor("functor"),
+			icon("icon"),
+			label("label"),
+			priority("priority"),
+			sound("sound"),
+			type("type"),
+			value("value"),
+			duration("duration"),
+			expire_option("expireOption", -1),
+			url("url"),
+			unique("unique"),
+			form_ref("")
+		{}
+
+	};
+
+	struct Notifications : public LLInitParam::Block<Notifications>
+	{
+		Multiple<GlobalString>	strings;
+		Multiple<Template>		templates;
+		Multiple<Params>		notifications;
+
+		Notifications()
+		:	strings("global"),
+			notifications("notification"),
+			templates("template")
+		{}
+	};
+
+	LLNotificationTemplate(const Params& p);
+    // the name of the notification -- the key used to identify it
+    // Ideally, the key should follow variable naming rules 
+    // (no spaces or punctuation).
+    std::string mName;
+    // The type of the notification
+    // used to control which queue it's stored in
+    std::string mType;
+    // The text used to display the notification. Replaceable parameters
+    // are enclosed in square brackets like this [].
+    std::string mMessage;
+	// The label for the notification; used for 
+	// certain classes of notification (those with a window and a window title). 
+	// Also used when a notification pops up underneath the current one.
+	// Replaceable parameters can be used in the label.
+	std::string mLabel;
+	// The name of the icon image. This should include an extension.
+	std::string mIcon;
+    // This is the Highlander bit -- "There Can Be Only One"
+    // An outstanding notification with this bit set
+    // is updated by an incoming notification with the same name,
+    // rather than creating a new entry in the queue.
+    // (used for things like progress indications, or repeating warnings
+    // like "the grid is going down in N minutes")
+    bool mUnique;
+    // if we want to be unique only if a certain part of the payload is 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
+    // new and the old notification; otherwise, the notification will be
+    // duplicated. This is to support suppressing duplicate offers from the same
+    // sender but still differentiating different offers. Example: Invitation to
+    // conference chat.
+    std::vector<std::string> mUniqueContext;
+    // If this notification expires automatically, this value will be 
+    // nonzero, and indicates the number of seconds for which the notification
+    // will be valid (a teleport offer, for example, might be valid for 
+    // 300 seconds). 
+    U32 mExpireSeconds;
+    // if the offer expires, one of the options is chosen automatically
+    // based on its "value" parameter. This controls which one. 
+    // If expireSeconds is specified, expireOption should also be specified.
+    U32 mExpireOption;
+    // if the notification contains a url, it's stored here (and replaced 
+    // into the message where [_URL] is found)
+    std::string mURL;
+    // if there's a URL in the message, this controls which option visits
+    // that URL. Obsolete this and eliminate the buttons for affected
+    // messages when we allow clickable URLs in the UI
+    U32 mURLOption;
+	
+	std::string mURLTarget;
+	//This is a flag that tells if the url needs to open externally dispite 
+	//what the user setting is.
+	
+	// does this notification persist across sessions? if so, it will be
+	// serialized to disk on first receipt and read on startup
+	bool mPersist;
+	// This is the name of the default functor, if present, to be
+	// used for the notification's callback. It is optional, and used only if 
+	// the notification is constructed without an identified functor.
+	std::string mDefaultFunctor;
+	// The form data associated with a given notification (buttons, text boxes, etc)
+    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;
+};
+
+#endif //LL_LLNOTIFICATION_TEMPLATE_H
+
diff --git a/indra/llui/llpanel.cpp b/indra/llui/llpanel.cpp
index b2e08c48c5..c8e56630f1 100644
--- a/indra/llui/llpanel.cpp
+++ b/indra/llui/llpanel.cpp
@@ -35,6 +35,7 @@
 #include "llfontgl.h"
 #include "llrect.h"
 #include "llerror.h"
+#include "lldir.h"
 #include "lltimer.h"
 
 #include "llaccordionctrltab.h"
@@ -52,6 +53,8 @@
 #include "lltabcontainer.h"
 
 static LLDefaultChildRegistry::Register<LLPanel> r1("panel", &LLPanel::fromXML);
+LLPanel::factory_stack_t	LLPanel::sFactoryStack;
+
 
 // Compiler optimization, generate extern template
 template class LLPanel* LLView::getChild<class LLPanel>(
@@ -380,8 +383,7 @@ LLView* LLPanel::fromXML(LLXMLNodePtr node, LLView* parent, LLXMLNodePtr output_
 
 	LLPanel* panelp = NULL;
 	
-	{
-		LLFastTimer timer(FTM_PANEL_CONSTRUCTION);
+	{	LLFastTimer _(FTM_PANEL_CONSTRUCTION);
 		
 		if(!class_attr.empty())
 		{
@@ -394,7 +396,7 @@ LLView* LLPanel::fromXML(LLXMLNodePtr node, LLView* parent, LLXMLNodePtr output_
 
 		if (!panelp)
 		{
-			panelp = LLUICtrlFactory::getInstance()->createFactoryPanel(name);
+			panelp = createFactoryPanel(name);
 			llassert(panelp);
 			
 			if (!panelp)
@@ -407,20 +409,20 @@ LLView* LLPanel::fromXML(LLXMLNodePtr node, LLView* parent, LLXMLNodePtr output_
 	// factory panels may have registered their own factory maps
 	if (!panelp->getFactoryMap().empty())
 	{
-		LLUICtrlFactory::instance().pushFactoryFunctions(&panelp->getFactoryMap());
+		sFactoryStack.push_back(&panelp->getFactoryMap());
 	}
 	// for local registry callbacks; define in constructor, referenced in XUI or postBuild
 	panelp->mCommitCallbackRegistrar.pushScope(); 
 	panelp->mEnableCallbackRegistrar.pushScope();
 
-	panelp->initPanelXML(node, parent, output_node);
+	panelp->initPanelXML(node, parent, output_node, LLUICtrlFactory::getDefaultParams<LLPanel>());
 	
 	panelp->mCommitCallbackRegistrar.popScope();
 	panelp->mEnableCallbackRegistrar.popScope();
 
 	if (!panelp->getFactoryMap().empty())
 	{
-		LLUICtrlFactory::instance().popFactoryFunctions();
+		sFactoryStack.pop_back();
 	}
 
 	return panelp;
@@ -444,8 +446,8 @@ void LLPanel::initFromParams(const LLPanel::Params& p)
 		setVisibleCallback(initCommitCallback(p.visible_callback));
 	}
 	
-	for (LLInitParam::ParamIterator<LocalizedString>::const_iterator it = p.strings().begin();
-		it != p.strings().end();
+	for (LLInitParam::ParamIterator<LocalizedString>::const_iterator it = p.strings.begin();
+		it != p.strings.end();
 		++it)
 	{
 		mUIStrings[it->name] = it->value;
@@ -487,11 +489,9 @@ static LLFastTimer::DeclareTimer FTM_PANEL_SETUP("Panel Setup");
 static LLFastTimer::DeclareTimer FTM_EXTERNAL_PANEL_LOAD("Load Extern Panel Reference");
 static LLFastTimer::DeclareTimer FTM_PANEL_POSTBUILD("Panel PostBuild");
 
-BOOL LLPanel::initPanelXML(LLXMLNodePtr node, LLView *parent, LLXMLNodePtr output_node)
+BOOL LLPanel::initPanelXML(LLXMLNodePtr node, LLView *parent, LLXMLNodePtr output_node, const LLPanel::Params& default_params)
 {
-	const LLPanel::Params& default_params(LLUICtrlFactory::getDefaultParams<LLPanel>());
 	Params params(default_params);
-
 	{
 		LLFastTimer timer(FTM_PANEL_SETUP);
 
@@ -505,6 +505,8 @@ BOOL LLPanel::initPanelXML(LLXMLNodePtr node, LLView *parent, LLXMLNodePtr outpu
 			setXMLFilename(xml_filename);
 		}
 
+		LLXUIParser parser;
+
 		if (!xml_filename.empty())
 		{
 			LLUICtrlFactory::instance().pushFileName(xml_filename);
@@ -514,12 +516,11 @@ BOOL LLPanel::initPanelXML(LLXMLNodePtr node, LLView *parent, LLXMLNodePtr outpu
 			{
 				//if we are exporting, we want to export the current xml
 				//not the referenced xml
-				LLXUIParser::instance().readXUI(node, params, LLUICtrlFactory::getInstance()->getCurFileName());
+				parser.readXUI(node, params, LLUICtrlFactory::getInstance()->getCurFileName());
 				Params output_params(params);
 				setupParamsForExport(output_params, parent);
 				output_node->setName(node->getName()->mString);
-				LLXUIParser::instance().writeXUI(
-					output_node, output_params, &default_params);
+				parser.writeXUI(output_node, output_params, &default_params);
 				return TRUE;
 			}
 		
@@ -530,7 +531,7 @@ BOOL LLPanel::initPanelXML(LLXMLNodePtr node, LLView *parent, LLXMLNodePtr outpu
 				return FALSE;
 			}
 
-			LLXUIParser::instance().readXUI(referenced_xml, params, LLUICtrlFactory::getInstance()->getCurFileName());
+			parser.readXUI(referenced_xml, params, LLUICtrlFactory::getInstance()->getCurFileName());
 
 			// add children using dimensions from referenced xml for consistent layout
 			setShape(params.rect);
@@ -540,15 +541,14 @@ BOOL LLPanel::initPanelXML(LLXMLNodePtr node, LLView *parent, LLXMLNodePtr outpu
 		}
 
 		// ask LLUICtrlFactory for filename, since xml_filename might be empty
-		LLXUIParser::instance().readXUI(node, params, LLUICtrlFactory::getInstance()->getCurFileName());
+		parser.readXUI(node, params, LLUICtrlFactory::getInstance()->getCurFileName());
 
 		if (output_node)
 		{
 			Params output_params(params);
 			setupParamsForExport(output_params, parent);
 			output_node->setName(node->getName()->mString);
-			LLXUIParser::instance().writeXUI(
-				output_node, output_params, &default_params);
+			parser.writeXUI(output_node, output_params, &default_params);
 		}
 		
 		params.from_xui = true;
@@ -959,3 +959,89 @@ boost::signals2::connection LLPanel::setVisibleCallback( const commit_signal_t::
 
 	return mVisibleSignal->connect(cb);
 }
+
+static LLFastTimer::DeclareTimer FTM_BUILD_PANELS("Build Panels");
+
+//-----------------------------------------------------------------------------
+// buildPanel()
+//-----------------------------------------------------------------------------
+BOOL LLPanel::buildFromFile(const std::string& filename, LLXMLNodePtr output_node, const LLPanel::Params& default_params)
+{
+	LLFastTimer timer(FTM_BUILD_PANELS);
+	BOOL didPost = FALSE;
+	LLXMLNodePtr root;
+
+	//if exporting, only load the language being exported, 
+	//instead of layering localized version on top of english
+	if (output_node)
+	{	
+		if (!LLUICtrlFactory::getLocalizedXMLNode(filename, root))
+		{
+			llwarns << "Couldn't parse panel from: " << LLUI::getLocalizedSkinPath() + gDirUtilp->getDirDelimiter() + filename  << llendl;
+			return didPost;
+		}
+	}
+	else if (!LLUICtrlFactory::getLayeredXMLNode(filename, root))
+	{
+		llwarns << "Couldn't parse panel from: " << LLUI::getSkinPath() + gDirUtilp->getDirDelimiter() + filename << llendl;
+		return didPost;
+	}
+
+	// root must be called panel
+	if( !root->hasName("panel" ) )
+	{
+		llwarns << "Root node should be named panel in : " << filename << llendl;
+		return didPost;
+	}
+
+	lldebugs << "Building panel " << filename << llendl;
+
+	LLUICtrlFactory::instance().pushFileName(filename);
+	{
+		if (!getFactoryMap().empty())
+		{
+			sFactoryStack.push_back(&getFactoryMap());
+		}
+		
+		 // for local registry callbacks; define in constructor, referenced in XUI or postBuild
+		getCommitCallbackRegistrar().pushScope();
+		getEnableCallbackRegistrar().pushScope();
+		
+		didPost = initPanelXML(root, NULL, output_node, default_params);
+
+		getCommitCallbackRegistrar().popScope();
+		getEnableCallbackRegistrar().popScope();
+		
+		setXMLFilename(filename);
+
+		if (!getFactoryMap().empty())
+		{
+			sFactoryStack.pop_back();
+		}
+	}
+	LLUICtrlFactory::instance().popFileName();
+	return didPost;
+}
+
+//-----------------------------------------------------------------------------
+// createFactoryPanel()
+//-----------------------------------------------------------------------------
+LLPanel* LLPanel::createFactoryPanel(const std::string& name)
+{
+	std::deque<const LLCallbackMap::map_t*>::iterator itor;
+	for (itor = sFactoryStack.begin(); itor != sFactoryStack.end(); ++itor)
+	{
+		const LLCallbackMap::map_t* factory_map = *itor;
+
+		// Look up this panel's name in the map.
+		LLCallbackMap::map_const_iter_t iter = factory_map->find( name );
+		if (iter != factory_map->end())
+		{
+			// Use the factory to create the panel, instead of using a default LLPanel.
+			LLPanel *ret = (LLPanel*) iter->second.mCallback( iter->second.mData );
+			return ret;
+		}
+	}
+	LLPanel::Params panel_p;
+	return LLUICtrlFactory::create<LLPanel>(panel_p);
+}
diff --git a/indra/llui/llpanel.h b/indra/llui/llpanel.h
index a7224648c1..c1a1a06f39 100644
--- a/indra/llui/llpanel.h
+++ b/indra/llui/llpanel.h
@@ -104,7 +104,10 @@ protected:
 	LLPanel(const LLPanel::Params& params = getDefaultParams());
 	
 public:
-// 	LLPanel(const std::string& name, const LLRect& rect = LLRect(), BOOL bordered = TRUE);
+	BOOL buildFromFile(const std::string &filename, LLXMLNodePtr output_node = NULL, const LLPanel::Params&default_params = getDefaultParams());
+
+	static LLPanel* createFactoryPanel(const std::string& name);
+
 	/*virtual*/ ~LLPanel();
 
 	// LLView interface
@@ -157,7 +160,7 @@ public:
 	EnableCallbackRegistry::ScopedRegistrar& getEnableCallbackRegistrar() { return mEnableCallbackRegistrar; }
 	
 	void initFromParams(const Params& p);
-	BOOL initPanelXML(LLXMLNodePtr node, LLView *parent, LLXMLNodePtr output_node = NULL);
+	BOOL initPanelXML(	LLXMLNodePtr node, LLView *parent, LLXMLNodePtr output_node, const LLPanel::Params& default_params);
 	
 	bool hasString(const std::string& name);
 	std::string getString(const std::string& name, const LLStringUtil::format_map_t& args) const;
@@ -256,6 +259,8 @@ protected:
 	commit_signal_t* mVisibleSignal;		// Called when visibility changes, passes new visibility as LLSD()
 
 	std::string		mHelpTopic;         // the name of this panel's help topic to display in the Help Viewer
+	typedef std::deque<const LLCallbackMap::map_t*> factory_stack_t;
+	static factory_stack_t	sFactoryStack;
 	
 private:
 	BOOL			mBgVisible;				// any background at all?
@@ -285,4 +290,57 @@ extern template class LLPanel* LLView::getChild<class LLPanel>(
 	const std::string& name, BOOL recurse) const;
 #endif
 
+typedef boost::function<LLPanel* (void)> LLPanelClassCreatorFunc;
+
+// local static instance for registering a particular panel class
+
+class LLRegisterPanelClass
+:	public LLSingleton< LLRegisterPanelClass >
+{
+public:
+	// reigister with either the provided builder, or the generic templated builder
+	void addPanelClass(const std::string& tag,LLPanelClassCreatorFunc func)
+	{
+		mPanelClassesNames[tag] = func;
+	}
+
+	LLPanel* createPanelClass(const std::string& tag)
+	{
+		param_name_map_t::iterator iT =  mPanelClassesNames.find(tag);
+		if(iT == mPanelClassesNames.end())
+			return 0;
+		return iT->second();
+	}
+	template<typename T>
+	static T* defaultPanelClassBuilder()
+	{
+		T* pT = new T();
+		return pT;
+	}
+
+private:
+	typedef std::map< std::string, LLPanelClassCreatorFunc> param_name_map_t;
+	
+	param_name_map_t mPanelClassesNames;
+};
+
+
+// local static instance for registering a particular panel class
+template<typename T>
+class LLRegisterPanelClassWrapper
+:	public LLRegisterPanelClass
+{
+public:
+	// reigister with either the provided builder, or the generic templated builder
+	LLRegisterPanelClassWrapper(const std::string& tag);
+};
+
+
+template<typename T>
+LLRegisterPanelClassWrapper<T>::LLRegisterPanelClassWrapper(const std::string& tag) 
+{
+	LLRegisterPanelClass::instance().addPanelClass(tag,&LLRegisterPanelClass::defaultPanelClassBuilder<T>);
+}
+
+
 #endif
diff --git a/indra/llui/llradiogroup.cpp b/indra/llui/llradiogroup.cpp