--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/fbs/fontandbitmapserver/sfbs/BackGroundCompression.h	Tue Feb 02 01:47:50 2010 +0200
@@ -0,0 +1,69 @@
+// Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+#include "SERVER.H"
+
+
+NONSHARABLE_CLASS(CFbsBackgroundCompressionQueueElement): public CBase
+/**
+@internalComponent
+*/
+	{
+	friend class CFbsBackgroundCompression;
+private:
+	CFbsBackgroundCompressionQueueElement(CBitmapObject* aSrcObj, TBitmapfileCompressionScheme aScheme);
+	~CFbsBackgroundCompressionQueueElement();
+	void CompleteOutstandingRequestAndDestroy(TInt aReason);
+	void CompleteOutstandingRequest(const CSession2* aSession);
+
+private:
+	TDblQueLink iLink;
+	CBitmapObject* iSourceObject;
+	TBitmapfileCompressionScheme iCompressionScheme;
+	RMessage2 iMessage;
+	};
+
+NONSHARABLE_CLASS(CFbsBackgroundCompression): public CActive
+/**
+@internalComponent
+*/
+	{
+public:
+	static CFbsBackgroundCompression* NewL(CFbTop& aFbTop);
+	~CFbsBackgroundCompression();
+	TInt AddToCompressionQueue(CBitmapObject* aSrcObj, TBitmapfileCompressionScheme aScheme, const RMessage2* aMessage);
+	void RemoveFromCompressionQueue(CBitmapObject* aSrcObj);
+	void CompleteOutstandingRequests(const CSession2* aSession);
+	void CompressAll();
+
+private:
+	CFbsBackgroundCompression(CFbTop& aFbTop);
+	void ConstructL();
+	TInt PrepareCompression();
+	void FinalizeCompression(const TRequestStatus& aStatus);
+	void RunL();
+	void DoCancel();
+	static TInt ThreadFunction(CFbsBackgroundCompression* aSelf);
+
+private:
+	CFbTop& iFbTop;
+	RThread iThread;
+	TBool iThreadCreated;
+	RSemaphore iThreadGo;
+	RMutex iThreadMutex;
+	TDblQue<CFbsBackgroundCompressionQueueElement> iCompressionQueue;
+	CBitmapObject* volatile iBitmapObject;
+	volatile TBitmapfileCompressionScheme iCompressionScheme;
+	};