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