diff -r 000000000000 -r dd21522fd290 webengine/osswebengine/WebCore/platform/symbian/bitmap/StaticImageDecoder.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/webengine/osswebengine/WebCore/platform/symbian/bitmap/StaticImageDecoder.h Mon Mar 30 12:54:55 2009 +0300 @@ -0,0 +1,89 @@ +/* +* Copyright (c) 2006-2008 Nokia Corporation and/or its subsidiary(-ies). +* All rights reserved. +* This component and the accompanying materials are made available +* under the terms of the License "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: +* +*/ + + +#ifndef __STATICIMAGEDECODER_H_ +#define __STATICIMAGEDECODER_H_ + +#include +#include +#include "AnimationDecoder.h" + +class CFbsBitmap; +class CMaskedBitmap; +class TFrameInfo; +class CBufferedImageDecoder; + +struct CRawData : public CBase + { + static CRawData* NewL( const TDesC8& aData, TDesC* aMime, + CMaskedBitmap* aTarget, MAnimationDecoderObserver* aObserv ); + virtual ~CRawData(); + + CRawData() : iData(0), iDataPtr(0,0), iMime(0), iTarget(0), iObserver(0) {} + void ConstructL(const TDesC8& aData, TDesC* aMime, + CMaskedBitmap* aTarget, MAnimationDecoderObserver* aObserv ); + + TAny* iData; + TPtr8 iDataPtr; + HBufC8* iMime; + CMaskedBitmap* iTarget; + MAnimationDecoderObserver* iObserver; + }; + + +class CStaticImageDecoder : public CActive + { + public: + enum TDecodingState + { + EIdle, + EStartLoading, + EOneFrameReady + }; + + // constructor + static CStaticImageDecoder* NewL(); + virtual ~CStaticImageDecoder(); + + + // decode the image asynchorously + TBool DecodeL( CRawData* aData ); + void StopObserving( MAnimationDecoderObserver* aObserv ); + + // from CActive + void RunL(); + void DoCancel(); + + private: + CStaticImageDecoder(); + TBool LoadNextImage(); + void LoadOneFrame(); + void StartLoading(); + TDisplayMode GetBestDisplayMode(TDisplayMode) const; + TBool CheckBitmapMemoryConsumption( const TFrameInfo& aFrameInfo ) const; + + void ConstructL(); + void Reset(); + + CBufferedImageDecoder* iDecoder; // owned + TDecodingState iState; + RPointerArray iQueue; + CRawData* iContext; // current decoding data + }; + +#endif //!__STATICIMAGEDECODER_H_ \ No newline at end of file