3 files changed, 25 insertions, 1 deletions
diff --git a/indra/llui/llaccordionctrltab.cpp b/indra/llui/llaccordionctrltab.cpp
index b7da5f4a1b..32112c6c51 100644
--- a/indra/llui/llaccordionctrltab.cpp
+++ b/indra/llui/llaccordionctrltab.cpp
@@ -735,6 +735,12 @@ S32	LLAccordionCtrlTab::notifyParent(const LLSD& info)
 
 			return 1;
 		}
+
+		if (!getDisplayChildren())
+		{
+			// Don't pass scrolling event further if our contents are invisible (STORM-298).
+			return 1;
+		}
 	}
 
 	return LLUICtrl::notifyParent(info);
diff --git a/indra/llui/llfloater.cpp b/indra/llui/llfloater.cpp
index eb5d7a6b6a..d23b876543 100644
--- a/indra/llui/llfloater.cpp
+++ b/indra/llui/llfloater.cpp
@@ -231,7 +231,8 @@ LLFloater::LLFloater(const LLSD& key, const LLFloater::Params& p)
 	mTornOff(false),
 	mHasBeenDraggedWhileMinimized(FALSE),
 	mPreviousMinimizedBottom(0),
-	mPreviousMinimizedLeft(0)
+	mPreviousMinimizedLeft(0),
+	mMinimizeSignal(NULL)
 //	mNotificationContext(NULL)
 {
 	mHandle.bind(this);
@@ -493,6 +494,8 @@ LLFloater::~LLFloater()
 	setVisible(false); // We're not visible if we're destroyed
 	storeVisibilityControl();
 	storeDockStateControl();
+
+	delete mMinimizeSignal;
 }
 
 void LLFloater::storeRectControl()
@@ -997,6 +1000,11 @@ void LLFloater::setMinimized(BOOL minimize)
 
 	if (minimize == mMinimized) return;
 
+	if(mMinimizeSignal)
+	{
+		(*mMinimizeSignal)(this, LLSD(minimize));
+	}
+
 	if (minimize)
 	{
 		// minimized flag should be turned on before release focus
@@ -2810,6 +2818,12 @@ void LLFloater::initFromParams(const LLFloater::Params& p)
 	}
 }
 
+boost::signals2::connection LLFloater::setMinimizeCallback( const commit_signal_t::slot_type& cb ) 
+{ 
+	if (!mMinimizeSignal) mMinimizeSignal = new commit_signal_t();
+	return mMinimizeSignal->connect(cb); 
+}
+
 LLFastTimer::DeclareTimer POST_BUILD("Floater Post Build");
 
 bool LLFloater::initFloaterXML(LLXMLNodePtr node, LLView *parent, const std::string& filename, LLXMLNodePtr output_node)
diff --git a/indra/llui/llfloater.h b/indra/llui/llfloater.h
index 5ecf515cf9..d26f41b4c7 100644
--- a/indra/llui/llfloater.h
+++ b/indra/llui/llfloater.h
@@ -142,6 +142,8 @@ public:
 	// Don't export top/left for rect, only height/width
 	static void setupParamsForExport(Params& p, LLView* parent);
 
+	boost::signals2::connection setMinimizeCallback( const commit_signal_t::slot_type& cb );
+
 	void initFromParams(const LLFloater::Params& p);
 	bool initFloaterXML(LLXMLNodePtr node, LLView *parent, const std::string& filename, LLXMLNodePtr output_node = NULL);
 
@@ -347,6 +349,8 @@ public:
 	// Public so external views or floaters can watch for this floater closing
 	commit_signal_t mCloseSignal;		
 
+	commit_signal_t* mMinimizeSignal;
+
 protected:
 	std::string		mRectControl;
 	std::string		mVisibilityControl;