diff -r 000000000000 -r 2014ca87e772 imagehandlingutilities/thumbnailmanager/plugins/image/inc/thumbnailimagedecoderv2.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/imagehandlingutilities/thumbnailmanager/plugins/image/inc/thumbnailimagedecoderv2.h Tue Jan 26 15:18:05 2010 +0200 @@ -0,0 +1,136 @@ +/* +* Copyright (c) 2006-2007 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: Image thumbnail decoderv2. + * +*/ + + +#ifndef THUMBNAILIMAGEDECODERV2_H +#define THUMBNAILIMAGEDECODERV2_H + +#include "thumbnailprovider.h" + +class CImageDecoder; +class CFbsBitmap; + +/** + * Image thumbnail decoder. + * + * @since S60 v5.0 + */ +class CThumbnailImageDecoderv2: public CActive + { +public: + + /** + * C++ default constructor + * + * @since S60 v5.0 + * @param aFs File server session + * @return New image thumbnail decoder instance. + */ + CThumbnailImageDecoderv2( RFs& aFs); + + /** + * Destructor + * + * @since S60 v5.0 + */ + virtual ~CThumbnailImageDecoderv2(); + + /** + * Creates a decoder from the given image buffer and gets image + * information + * + * @since S60 v5.0 + * @param aBuffer Source image buffer. + * @param aObserver Observer to relay notifications about completed + * operations. + */ + void CreateL(TDesC8& aBuffer, MThumbnailProviderObserver& aObserver); + + /** + * Decode image. + * + * @since S60 v5.0 + * @param aDisplayMode Preferred display mode. + */ + void DecodeL(); + +private: + /** + * Used to release reserved resources. + * + * @since S60 v5.0 + */ + void Release(); + + /** + * Implements cancellation of an outstanding request. + * + * @since S60 v5.0 + */ + void DoCancel(); + + /** + * Handles an active object's request completion event. + * + * @since S60 v5.0 + */ + void RunL(); + + /** + * Creates image decoder to be used. + * + * @since S60 v5.0 + */ + void CreateDecoderL(); + +private: + // data + + /** + * Image decoder. + * Own. + */ + CImageDecoder* iDecoder; + + /** + * Original size of the image in pixels. + */ + TSize iOriginalSize; + + /** + * Decoded bitmap. + * Own. + */ + CFbsBitmap* iBitmap; + + /** + * Used fileserver. + */ + RFs& iFs; + + /** + * Buffer from which thumbnail is to be created. + */ + TDesC8* iBuffer; + + /** + * Observer. + */ + MThumbnailProviderObserver* iObserver; // not own +}; + +#endif // THUMBNAILIMAGEDECODERV2_H