os/graphics/fbs/fontandbitmapserver/sfbs/BackGroundCompression.h
changeset 0 bde4ae8d615e
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/graphics/fbs/fontandbitmapserver/sfbs/BackGroundCompression.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,69 @@
     1.4 +// Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +//
    1.18 +
    1.19 +#include "SERVER.H"
    1.20 +
    1.21 +
    1.22 +NONSHARABLE_CLASS(CFbsBackgroundCompressionQueueElement): public CBase
    1.23 +/**
    1.24 +@internalComponent
    1.25 +*/
    1.26 +	{
    1.27 +	friend class CFbsBackgroundCompression;
    1.28 +private:
    1.29 +	CFbsBackgroundCompressionQueueElement(CBitmapObject* aSrcObj, TBitmapfileCompressionScheme aScheme);
    1.30 +	~CFbsBackgroundCompressionQueueElement();
    1.31 +	void CompleteOutstandingRequestAndDestroy(TInt aReason);
    1.32 +	void CompleteOutstandingRequest(const CSession2* aSession);
    1.33 +
    1.34 +private:
    1.35 +	TDblQueLink iLink;
    1.36 +	CBitmapObject* iSourceObject;
    1.37 +	TBitmapfileCompressionScheme iCompressionScheme;
    1.38 +	RMessage2 iMessage;
    1.39 +	};
    1.40 +
    1.41 +NONSHARABLE_CLASS(CFbsBackgroundCompression): public CActive
    1.42 +/**
    1.43 +@internalComponent
    1.44 +*/
    1.45 +	{
    1.46 +public:
    1.47 +	static CFbsBackgroundCompression* NewL(CFbTop& aFbTop);
    1.48 +	~CFbsBackgroundCompression();
    1.49 +	TInt AddToCompressionQueue(CBitmapObject* aSrcObj, TBitmapfileCompressionScheme aScheme, const RMessage2* aMessage);
    1.50 +	void RemoveFromCompressionQueue(CBitmapObject* aSrcObj);
    1.51 +	void CompleteOutstandingRequests(const CSession2* aSession);
    1.52 +	void CompressAll();
    1.53 +
    1.54 +private:
    1.55 +	CFbsBackgroundCompression(CFbTop& aFbTop);
    1.56 +	void ConstructL();
    1.57 +	TInt PrepareCompression();
    1.58 +	void FinalizeCompression(const TRequestStatus& aStatus);
    1.59 +	void RunL();
    1.60 +	void DoCancel();
    1.61 +	static TInt ThreadFunction(CFbsBackgroundCompression* aSelf);
    1.62 +
    1.63 +private:
    1.64 +	CFbTop& iFbTop;
    1.65 +	RThread iThread;
    1.66 +	TBool iThreadCreated;
    1.67 +	RSemaphore iThreadGo;
    1.68 +	RMutex iThreadMutex;
    1.69 +	TDblQue<CFbsBackgroundCompressionQueueElement> iCompressionQueue;
    1.70 +	CBitmapObject* volatile iBitmapObject;
    1.71 +	volatile TBitmapfileCompressionScheme iCompressionScheme;
    1.72 +	};