5 files changed, 52 insertions, 2 deletions

diff --git a/indra/newview/llmediactrl.cpp b/indra/newview/llmediactrl.cpp
index f32866b1fe..199bd966ef 100644
--- a/indra/newview/llmediactrl.cpp
+++ b/indra/newview/llmediactrl.cpp
@@ -95,7 +95,8 @@ LLMediaCtrl::LLMediaCtrl( const Params& p) :
 	mHidingInitialLoad (false),
 	mDecoupleTextureSize ( false ),
 	mTextureWidth ( 1024 ),
-	mTextureHeight ( 1024 )
+	mTextureHeight ( 1024 ),
+	mClearCache(false)
 {
 	{
 		LLColor4 color = p.caret_color().get();
@@ -491,6 +492,21 @@ void LLMediaCtrl::clr404RedirectUrl()
 
 ////////////////////////////////////////////////////////////////////////////////
 //
+void LLMediaCtrl::clearCache()
+{
+	if(mMediaSource)
+	{
+		mMediaSource->clearCache();
+	}
+	else
+	{
+		mClearCache = true;
+	}
+
+}
+
+////////////////////////////////////////////////////////////////////////////////
+//
 void LLMediaCtrl::navigateTo( std::string url_in, std::string mime_type)
 {
 	// don't browse to anything that starts with secondlife:// or sl://
@@ -617,7 +633,12 @@ bool LLMediaCtrl::ensureMediaSourceExists()
 			mMediaSource->setHomeURL(mHomePageUrl);
 			mMediaSource->setVisible( getVisible() );
 			mMediaSource->addObserver( this );
-
+			if(mClearCache)
+			{
+				mMediaSource->clearCache();
+				mClearCache = false;
+			}
+			
 			if(mHideLoading)
 			{
 				mHidingInitialLoad = true;
diff --git a/indra/newview/llmediactrl.h b/indra/newview/llmediactrl.h
index f07513a3fd..8f9e6e7179 100644
--- a/indra/newview/llmediactrl.h
+++ b/indra/newview/llmediactrl.h
@@ -117,6 +117,9 @@ public:
 		// set/clear URL to visit when a 404 page is reached
 		void set404RedirectUrl( std::string redirect_url );
 		void clr404RedirectUrl();
+		
+		// Clear the browser cache when the instance gets loaded
+		void clearCache();
 
 		// accessor/mutator for flag that indicates if frequent updates to texture happen
 		bool getFrequentUpdates() { return mFrequentUpdates; };
@@ -192,6 +195,7 @@ public:
 		bool mDecoupleTextureSize;
 		S32 mTextureWidth;
 		S32 mTextureHeight;
+		bool mClearCache;
 };
 
 #endif // LL_LLMediaCtrl_H
diff --git a/indra/newview/llpanellogin.cpp b/indra/newview/llpanellogin.cpp
index a9c604b72a..dbe962ed59 100644
--- a/indra/newview/llpanellogin.cpp
+++ b/indra/newview/llpanellogin.cpp
@@ -272,6 +272,9 @@ LLPanelLogin::LLPanelLogin(const LLRect &rect,
 	// get the web browser control
 	LLMediaCtrl* web_browser = getChild<LLMediaCtrl>("login_html");
 	web_browser->addObserver(this);
+	
+	// Clear the browser's cache to avoid any potential for the cache messing up the login screen.
+	web_browser->clearCache();
 
 	// Need to handle login secondlife:///app/ URLs
 	web_browser->setTrusted( true );
diff --git a/indra/newview/llviewermedia.cpp b/indra/newview/llviewermedia.cpp
index 103a70e032..7bcc601705 100644
--- a/indra/newview/llviewermedia.cpp
+++ b/indra/newview/llviewermedia.cpp
@@ -929,6 +929,7 @@ LLViewerMediaImpl::LLViewerMediaImpl(	  const LLUUID& texture_id,
 	mMimeTypeProbe(NULL),
 	mMediaAutoPlay(false),
 	mInNearbyMediaList(false),
+	mClearCache(false),
 	mIsUpdated(false)
 { 
 
@@ -1139,6 +1140,12 @@ bool LLViewerMediaImpl::initializePlugin(const std::string& media_type)
 		media_source->setBrowserUserAgent(LLViewerMedia::getCurrentUserAgent());
 		media_source->focus(mHasFocus);
 		
+		if(mClearCache)
+		{
+			mClearCache = false;
+			media_source->clear_cache();
+		}
+		
 		mMediaSource = media_source;
 
 		updateVolume();
@@ -1352,6 +1359,19 @@ std::string LLViewerMediaImpl::getCurrentMediaURL()
 }
 
 //////////////////////////////////////////////////////////////////////////////////////////
+void LLViewerMediaImpl::clearCache()
+{
+	if(mMediaSource)
+	{
+		mMediaSource->clear_cache();
+	}
+	else
+	{
+		mClearCache = true;
+	}
+}
+
+//////////////////////////////////////////////////////////////////////////////////////////
 void LLViewerMediaImpl::mouseDown(S32 x, S32 y, MASK mask, S32 button)
 {
 	scaleMouse(&x, &y);
diff --git a/indra/newview/llviewermedia.h b/indra/newview/llviewermedia.h
index 7151186089..28fb379960 100644
--- a/indra/newview/llviewermedia.h
+++ b/indra/newview/llviewermedia.h
@@ -188,6 +188,7 @@ public:
 	std::string getCurrentMediaURL();
 	std::string getHomeURL() { return mHomeURL; }
     void setHomeURL(const std::string& home_url) { mHomeURL = home_url; };
+	void clearCache();
 	std::string getMimeType() { return mMimeType; }
 	void scaleMouse(S32 *mouse_x, S32 *mouse_y);
 	void scaleTextureCoords(const LLVector2& texture_coords, S32 *x, S32 *y);
@@ -355,6 +356,7 @@ public:
 	bool mMediaAutoPlay;
 	std::string mMediaEntryURL;
 	bool mInNearbyMediaList;	// used by LLFloaterNearbyMedia::refreshList() for performance reasons
+	bool mClearCache;
 	
 private:
 	BOOL mIsUpdated ;