diff -r 45459746d5e8 -r 27f2d7aec52a engine/collectionframework/thumbnailcreator/inc/glxtngeneratethumbnailtask.h --- a/engine/collectionframework/thumbnailcreator/inc/glxtngeneratethumbnailtask.h Mon Sep 27 15:13:20 2010 +0530 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,117 +0,0 @@ -/* -* Copyright (c) 2008-2009 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: Classes for thumbnail-related tasks. -* -*/ - - - -/** - * @internal reviewed 30/07/2007 by Simon Brooks - */ - -#ifndef C_GLXTNGENERATETHUMBNAILTASK_H -#define C_GLXTNGENERATETHUMBNAILTASK_H - -#include "glxtnloadthumbnailtask.h" - -class CGlxtnFileInfo; -class CGlxtnFileUtility; -class CGlxtnImageUtility; -class CGlxtnVideoUtility; -class CFbsBitmap; -class CImageDecoder; -class RFs; - -/** - * Task to generate a high quality thumbnail for a media item. - * - * An instance of CImageDecoder is constructed to produce a bitmap from the - * image file, scaling to the smallest possible size not smaller than the - * required size. - * - * The task then uses ADIS to scale to the exact size required, and also uses - * the sharpening and IETD algorithms to enhance the image. - * - * @ingroup glx_thumbnail_creator - */ -NONSHARABLE_CLASS( CGlxtnGenerateThumbnailTask ) - : public CGlxtnLoadThumbnailTask - { -public: - /** - * Two-phased constructor. - * @param aRequestInfo Parameters for the thumbnail request. - * @param aFileUtility File utility for use by the task. - * @param aClient Client initiating the request. - */ - static CGlxtnGenerateThumbnailTask* NewL( - const TGlxThumbnailRequest& aRequestInfo, - CGlxtnFileUtility& aFileUtility, MGlxtnThumbnailCreatorClient& aClient); - /** - * Destructor. - */ - ~CGlxtnGenerateThumbnailTask(); - -protected: // From CGlxtnTask - void SetManager(CGlxtnTaskManager* aManager); - virtual TBool DoStartL(TRequestStatus& aStatus); - virtual void DoCancel(); - virtual TBool DoRunL(TRequestStatus& aStatus); - TBool DoRunError(TInt aError); - -private: - /** - * C++ default constructor. - * @param aRequestInfo Parameters for the thumbnail request. - * @param aFileUtility File utility for use by the task. - * @param aClient Client initiating the request. - */ - CGlxtnGenerateThumbnailTask(const TGlxThumbnailRequest& aRequestInfo, - CGlxtnFileUtility& aFileUtility, MGlxtnThumbnailCreatorClient& aClient); - /** - * Symbian 2nd phase constructor. - * @param aBitmapHandle Handle to bitmap in which to store the thumbnail. - */ - void ConstructL(TInt aBitmapHandle); - - /** - * Start asynchronous decoding process for a high quality thumbnail. - * @param aStatus Request status for the asynchronous operation. - */ - void HighQualityDecodeL( TRequestStatus& aStatus ); - /** - * @return ETrue if viewing the requested thumbnail size would require - * DRM rights. - */ - TBool SizeRequiresDrmRights(); - -private: - /** Pointer to task manager (not owned) */ - CGlxtnTaskManager* iTaskManager; - /** Utility to get thumbnail from image (owned) */ - CGlxtnImageUtility* iImageUtility; - /** Utility to get thumbnail from video (owned) */ - CGlxtnVideoUtility* iVideoUtility; - /** Image loaded from file (owned) */ - CFbsBitmap* iImage; - /** Whether current item is a video */ - TBool iVideo; - /** Whether current file is DRM protected */ - TBool iProtected; - /** Flag to show BadFileMarker not created so no need to delete **/ - TBool iBadFileMarkerNotNeededFlag; - }; - -#endif // C_GLXTNGENERATETHUMBNAILTASK_H