3 files changed, 69 insertions, 8 deletions

diff --git a/indra/newview/llfloaterpreference.cpp b/indra/newview/llfloaterpreference.cpp
index b4b12024aa..c7fce83b03 100644
--- a/indra/newview/llfloaterpreference.cpp
+++ b/indra/newview/llfloaterpreference.cpp
@@ -43,6 +43,7 @@
 #include "llcombobox.h"
 #include "llcommandhandler.h"
 #include "lldirpicker.h"
+#include "lleventtimer.h"
 #include "llfeaturemanager.h"
 #include "llfocusmgr.h"
 //#include "llfirstuse.h"
@@ -73,6 +74,7 @@
 #include "llviewerwindow.h"
 #include "llviewermessage.h"
 #include "llviewershadermgr.h"
+#include "llviewerthrottle.h"
 #include "llvotree.h"
 #include "llvosky.h"
 
@@ -109,6 +111,7 @@
 
 const F32 MAX_USER_FAR_CLIP = 512.f;
 const F32 MIN_USER_FAR_CLIP = 64.f;
+const F32 BANDWIDTH_UPDATER_TIMEOUT = 0.5f;
 
 //control value for middle mouse as talk2push button
 const static std::string MIDDLE_MOUSE_CV = "MiddleMouse";
@@ -1526,10 +1529,56 @@ void LLFloaterPreference::setCacheLocation(const LLStringExplicit& location)
 	cache_location_editor->setToolTip(location);
 }
 
+//------------------------------Updater---------------------------------------
+
+static bool handleBandwidthChanged(const LLSD& newvalue)
+{
+	gViewerThrottle.setMaxBandwidth((F32) newvalue.asReal());
+	return true;
+}
+
+class LLPanelPreference::Updater : public LLEventTimer
+{
+
+public:
+
+	typedef boost::function<bool(const LLSD&)> callback_t;
+
+	Updater(callback_t cb, F32 period)
+	:LLEventTimer(period),
+	 mCallback(cb)
+	{
+		mEventTimer.stop();
+	}
+
+	virtual ~Updater(){}
+
+	void update(const LLSD& new_value)
+	{
+		mNewValue = new_value;
+		mEventTimer.start();
+	}
+
+protected:
+
+	BOOL tick()
+	{
+		mCallback(mNewValue);
+		mEventTimer.stop();
+
+		return FALSE;
+	}
+
+private:
+
+	LLSD mNewValue;
+	callback_t mCallback;
+};
 //----------------------------------------------------------------------------
 static LLRegisterPanelClassWrapper<LLPanelPreference> t_places("panel_preference");
 LLPanelPreference::LLPanelPreference()
-: LLPanel()
+: LLPanel(),
+  mBandWidthUpdater(NULL)
 {
 	mCommitCallbackRegistrar.add("Pref.setControlFalse",	boost::bind(&LLPanelPreference::setControlFalse,this, _2));
 	mCommitCallbackRegistrar.add("Pref.updateMediaAutoPlayCheckbox",	boost::bind(&LLPanelPreference::updateMediaAutoPlayCheckbox, this, _1));
@@ -1599,10 +1648,24 @@ BOOL LLPanelPreference::postBuild()
 		}
 	}
 
+	//////////////////////PanelSetup ///////////////////
+	if (hasChild("max_bandwidth"))
+	{
+		mBandWidthUpdater = new LLPanelPreference::Updater(boost::bind(&handleBandwidthChanged, _1), BANDWIDTH_UPDATER_TIMEOUT);
+		gSavedSettings.getControl("ThrottleBandwidthKBPS")->getSignal()->connect(boost::bind(&LLPanelPreference::Updater::update, mBandWidthUpdater, _2));
+	}
+
 	apply();
 	return true;
 }
 
+LLPanelPreference::~LLPanelPreference()
+{
+	if (mBandWidthUpdater)
+	{
+		delete mBandWidthUpdater;
+	}
+}
 void LLPanelPreference::apply()
 {
 	// no-op
diff --git a/indra/newview/llfloaterpreference.h b/indra/newview/llfloaterpreference.h
index 4d8a2489be..5fe509fb37 100644
--- a/indra/newview/llfloaterpreference.h
+++ b/indra/newview/llfloaterpreference.h
@@ -181,6 +181,8 @@ public:
 	LLPanelPreference();
 	/*virtual*/ BOOL postBuild();
 	
+	virtual ~LLPanelPreference();
+
 	virtual void apply();
 	virtual void cancel();
 	void setControlFalse(const LLSD& user_data);
@@ -194,6 +196,7 @@ public:
 	// cancel() can restore them.
 	virtual void saveSettings();
 	
+	class Updater;
 private:
 	//for "Only friends and groups can call or IM me"
 	static void showFriendsOnlyWarning(LLUICtrl*, const LLSD&);
@@ -205,6 +208,8 @@ private:
 
 	typedef std::map<std::string, LLColor4> string_color_map_t;
 	string_color_map_t mSavedColors;
+
+	Updater* mBandWidthUpdater;
 };
 
 class LLPanelPreferenceGraphics : public LLPanelPreference
diff --git a/indra/newview/llviewercontrol.cpp b/indra/newview/llviewercontrol.cpp
index ffe607f912..06c1520314 100644
--- a/indra/newview/llviewercontrol.cpp
+++ b/indra/newview/llviewercontrol.cpp
@@ -239,12 +239,6 @@ static bool handleVideoMemoryChanged(const LLSD& newvalue)
 	return true;
 }
 
-static bool handleBandwidthChanged(const LLSD& newvalue)
-{
-	gViewerThrottle.setMaxBandwidth((F32) newvalue.asReal());
-	return true;
-}
-
 static bool handleChatFontSizeChanged(const LLSD& newvalue)
 {
 	if(gConsole)
@@ -562,7 +556,6 @@ void settings_setup_listeners()
 	gSavedSettings.getControl("RenderTerrainLODFactor")->getSignal()->connect(boost::bind(&handleTerrainLODChanged, _2));
 	gSavedSettings.getControl("RenderTreeLODFactor")->getSignal()->connect(boost::bind(&handleTreeLODChanged, _2));
 	gSavedSettings.getControl("RenderFlexTimeFactor")->getSignal()->connect(boost::bind(&handleFlexLODChanged, _2));
-	gSavedSettings.getControl("ThrottleBandwidthKBPS")->getSignal()->connect(boost::bind(&handleBandwidthChanged, _2));
 	gSavedSettings.getControl("RenderGamma")->getSignal()->connect(boost::bind(&handleGammaChanged, _2));
 	gSavedSettings.getControl("RenderFogRatio")->getSignal()->connect(boost::bind(&handleFogRatioChanged, _2));
 	gSavedSettings.getControl("RenderMaxPartCount")->getSignal()->connect(boost::bind(&handleMaxPartCountChanged, _2));