engine/collectionframework/thumbnailcreator/inc/glxtngeneratethumbnailtask.h
changeset 71 27f2d7aec52a
parent 69 45459746d5e8
child 72 0a8e959402e5
--- 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