diff -r 000000000000 -r 2014ca87e772 imagehandlingutilities/thumbnailmanager/thumbnailserver/inc/thumbnaildecodetask.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/imagehandlingutilities/thumbnailmanager/thumbnailserver/inc/thumbnaildecodetask.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: Task for decoding a thumbnail + * +*/ + + +#ifndef THUMBNAILDECODETASK_H +#define THUMBNAILDECODETASK_H + +#include + +#include "thumbnailtask.h" +#include "thumbnailprovider.h" + + +class CThumbnailServer; + +/** + * Task for decoding a thumbnail. + * + * @since S60 v5.0 + */ +class CThumbnailDecodeTask: public CThumbnailTask, + public MThumbnailProviderObserver + { +public: + + /** + * C++ default constructor + * + * @since S60 v5.0 + * @param aProcessor Processor object for running tasks. + * @param aServer Thumbnail server in use. + * @param aBuffer Image in JPEG mode. + * @param aPriority Priority of the request. + * @return New CThumbnailDecodeTask object. + */ + CThumbnailDecodeTask( CThumbnailTaskProcessor& aProcessor, CThumbnailServer& aServer, TDesC8* aBuffer, + TInt aPriority, TDisplayMode aDisplayMode); + + /** + * Destructor. + * + * @since S60 v5.0 + */ + virtual ~CThumbnailDecodeTask(); + + /** + * StartL + * + * @since S60 v5.0 + */ + void StartL(); + + /** + * Handles an active object's request completion event. + * + * @since S60 v5.0 + */ + void RunL(); + + /** + * Implements cancellation of an outstanding request. + * + * @since S60 v5.0 + */ + void DoCancel(); + +private: + + /** + * For notifying when task has been finished. + * + * @since S60 v5.0 + * @param aError Error code. + * @param aBitmap Thumbnail image. + * @param aOriginalSize Original image size. + */ + void ThumbnailProviderReady( const TInt aError, CFbsBitmap* aBitmap, const + TSize& aOriginalSize, const TBool aEXIF, const TBool aPortait ); + + +private: + // Data + + /** + * Server. + */ + CThumbnailServer& iServer; + + /** + * Image buffer + */ + TDesC8* iBuffer; + + /** + * Size of the original image. + */ + TSize iOriginalSize; + + /** + * Thumbnail provider implementation. + * Not own. + */ + CThumbnailProvider* iProvider; + + /** + * If set, scaled bitmap must be released from pool. + */ + TInt iBitmapHandle; + + /** + * Temporary buffer for client/server parameters + */ + TThumbnailRequestParamsPckgBuf iParamsBuf; + + /* + * Displaymode of requested TN + */ + TDisplayMode iDisplayMode; + +}; + +#endif // THUMBNAILGENERATETASK_H