photosgallery/collectionframework/thumbnailcreator/inc/glxtndeletethumbnailstask.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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/*
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* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). 
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:    Definition of CGlxtnDeleteThumbnailsTask
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*
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*/
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/**
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 * @internal reviewed 30/07/2007 by Simon Brooks
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 */
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#ifndef C_GLXTNDELETETHUMBNAILSTASK_H
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#define C_GLXTNDELETETHUMBNAILSTASK_H
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// INCLUDES
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#include "glxtntask.h"
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// CONSTANTS
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// MACROS
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// DATA TYPES
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// FUNCTION PROTOTYPES
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// FORWARD DECLARATIONS
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class CGlxtnFileInfo;
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// CLASS DECLARATION
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/**
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* Task to delete all stored thumbnails for a media item.
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*
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* @author Dan Rhodes
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* @ingroup glx_thumbnail_creator
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*/
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NONSHARABLE_CLASS(CGlxtnDeleteThumbnailsTask) : public CGlxtnClientTask
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    {
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    public:  // Constructors and destructor
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        /**
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        * Two-phased constructor.
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        * @param iItemId Media ID of item whose thumbnails should be deleted.
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        * @param aClient Client initiating the request.
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        */
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        static CGlxtnDeleteThumbnailsTask* NewL(const TGlxMediaId& aItemId,
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                                        MGlxtnThumbnailCreatorClient& aClient);
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        /**
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        * Destructor.
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        */
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        virtual ~CGlxtnDeleteThumbnailsTask();
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    protected:  // From CGlxtnTask
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        TBool DoStartL(TRequestStatus& aStatus);
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    	void DoCancel(); 
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    	TBool DoRunL(TRequestStatus& aStatus);
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        TBool DoRunError(TInt aError);
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    private:
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        /**
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        * C++ default constructor.
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        * @param iItemId Media ID of item whose thumbnails should be deleted.
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        * @param aClient Client initiating the request.
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        */
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        CGlxtnDeleteThumbnailsTask(const TGlxMediaId& aItemId,
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                                    MGlxtnThumbnailCreatorClient& aClient);
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        /**
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        * By default Symbian 2nd phase constructor is private.
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        */
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        void ConstructL();
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    private:    // Data
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        /** File information for item whose thumbnails are to be deleted */
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        CGlxtnFileInfo* iInfo;
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        /** Whether delete operation has been started */
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        TBool iDeleting;
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    };
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#endif  // C_GLXTNDELETETHUMBNAILSTASK_H
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// End of File