1 // Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 #include "SERVER.H"

    17 

    18 

    19 NONSHARABLE_CLASS(CFbsBackgroundCompressionQueueElement): public CBase

    20 /**

    21 @internalComponent

    22 */

    23 	{

    24 	friend class CFbsBackgroundCompression;

    25 private:

    26 	CFbsBackgroundCompressionQueueElement(CBitmapObject* aSrcObj, TBitmapfileCompressionScheme aScheme);

    27 	~CFbsBackgroundCompressionQueueElement();

    28 	void CompleteOutstandingRequestAndDestroy(TInt aReason);

    29 	void CompleteOutstandingRequest(const CSession2* aSession);

    30 

    31 private:

    32 	TDblQueLink iLink;

    33 	CBitmapObject* iSourceObject;

    34 	TBitmapfileCompressionScheme iCompressionScheme;

    35 	RMessage2 iMessage;

    36 	};

    37 

    38 NONSHARABLE_CLASS(CFbsBackgroundCompression): public CActive

    39 /**

    40 @internalComponent

    41 */

    42 	{

    43 public:

    44 	static CFbsBackgroundCompression* NewL(CFbTop& aFbTop);

    45 	~CFbsBackgroundCompression();

    46 	TInt AddToCompressionQueue(CBitmapObject* aSrcObj, TBitmapfileCompressionScheme aScheme, const RMessage2* aMessage);

    47 	void RemoveFromCompressionQueue(CBitmapObject* aSrcObj);

    48 	void CompleteOutstandingRequests(const CSession2* aSession);

    49 	void CompressAll();

    50 

    51 private:

    52 	CFbsBackgroundCompression(CFbTop& aFbTop);

    53 	void ConstructL();

    54 	TInt PrepareCompression();

    55 	void FinalizeCompression(const TRequestStatus& aStatus);

    56 	void RunL();

    57 	void DoCancel();

    58 	static TInt ThreadFunction(CFbsBackgroundCompression* aSelf);

    59 

    60 private:

    61 	CFbTop& iFbTop;

    62 	RThread iThread;

    63 	TBool iThreadCreated;

    64 	RSemaphore iThreadGo;

    65 	RMutex iThreadMutex;

    66 	TDblQue<CFbsBackgroundCompressionQueueElement> iCompressionQueue;

    67 	CBitmapObject* volatile iBitmapObject;

    68 	volatile TBitmapfileCompressionScheme iCompressionScheme;

    69 	};