--- a/engine/collectionframework/thumbnailcreator/inc/glxtnloadthumbnailtask.h Mon Sep 27 15:13:20 2010 +0530
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,115 +0,0 @@
-/*
-* 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: Base class for tasks which load thumbnails
-*
-*/
-
-
-
-#ifndef C_GLXTNLOADTHUMBNAILTASK_H
-#define C_GLXTNLOADTHUMBNAILTASK_H
-
-#include "glxtntask.h"
-#include "glxtnstd.h"
-
-// Forward declarations
-class CGlxtnFileInfo;
-class CGlxtnFileUtility;
-class CFbsBitmap;
-class CImageDecoder;
-class TGlxThumbnailRequest;
-
-/**
- * Base class for tasks which load thumbnails.
- *
- * @author Dan Rhodes
- * @ingroup glx_thumbnail_creator
- */
-NONSHARABLE_CLASS( CGlxtnLoadThumbnailTask ) : public CGlxtnClientTask
- {
-public:
- /**
- * Destructor.
- */
- ~CGlxtnLoadThumbnailTask();
-
-protected: // From CGlxtnTask
- void DoCancel();
-
-protected:
- /**
- * C++ default constructor.
- * @param aId Task type ID.
- * @param aRequestInfo Parameters for the thumbnail request.
- * @param aFileUtility File utility for use by the task.
- * @param aClient Client initiating the request.
- */
- CGlxtnLoadThumbnailTask( const TGlxtnTaskId& aId,
- 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 loading.
- * @param aStatus Request status for the asynchronous operation.
- * @return ETrue if an asynchronous operation has been started.
- */
- TBool LoadThumbnailL( TRequestStatus& aStatus );
- /**
- * Create bitmap from loaded thumbnail data.
- * @param aStatus Request status for the asynchronous operation.
- * @return ETrue if an asynchronous operation has been started.
- */
- TBool HandleLoadedThumbnailL( TRequestStatus& aStatus );
- /**
- * Start asynchronous decoding. iDecoder should point to a valid decoder.
- * @param aStatus Request status for the asynchronous operation.
- * @param aScaleBitmap If true, scale the loaded bitmap close to
- * requested size.
- */
- void DecodeThumbnailL( TRequestStatus& aStatus, TBool aScaleBitmap );
-
-protected:
- enum TGeneratorState
- {
- EStateFetchingUri, EStateLoading, EStateDecodingThumbnail,
- EStateDecodingImage, EStateScaling, EStateFiltering
- };
-
- /** File utility */
- CGlxtnFileUtility& iFileUtility;
- /** Current state for task state machine */
- TGeneratorState iState;
- /** File information for item to thumbnail (owned) */
- CGlxtnFileInfo* iInfo;
- /** Requested thumbnail size */
- TSize iRequestedSize;
- /** Thumbnail image data (owned) */
- HBufC8* iThumbData;
- /** Thumbnail data format */
- TGlxImageDataFormat iFormat;
- /** Decoder to decode the thumbnail data (owned) */
- CImageDecoder* iDecoder;
- /** Bitmap to decode image into (owned) */
- CFbsBitmap* iThumbnail;
- /** DRM allowed flag passed from thumbnail request */
- TBool iDrmAllowed;
- };
-
-#endif // C_GLXTNLOADTHUMBNAILTASK_H