photosgallery/viewframework/medialists/inc/mglxitemlistobserver.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 17 Dec 2009 08:45:44 +0200
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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:    Observer of list of media items
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*
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*/
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#ifndef __M_GLXITEMLISTOBSERVER_H__
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#define __M_GLXITEMLISTOBSERVER_H__
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#include <e32std.h>
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/**
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 * Observer for item list
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 *
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 * @author Aki Vanhatalo
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 *
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 * @internal reviewed 17/07/2007 by Kimmo Hoikka
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 *
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 * @ingroup mlm_media_list_manager_design
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 */
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class MGlxItemListObserver 
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    {
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public:
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    /**
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     * Notification of item addition
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     * @param aAddedAtIndex Index at which items were added
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     * @param aCount count of items that were added
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     */
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    virtual void HandleItemsAdded( TInt aAddedAtIndex, TInt aCount ) = 0;
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    /**
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     * Notification of item removal
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     * @param aRemovedFromIndex Index at which items were added
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     * @param aCount count of items that were added
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     */
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    virtual void HandleItemsRemoved( TInt aRemovedFromIndex, TInt aCount ) = 0;
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    };
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#endif // __M_GLXITEMLISTOBSERVER_H__