williamr@2: /*
williamr@2: * Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies). 
williamr@2: * All rights reserved.
williamr@2: * This component and the accompanying materials are made available
williamr@4: * under the terms of "Eclipse Public License v1.0"
williamr@2: * which accompanies this distribution, and is available
williamr@4: * at the URL "http://www.eclipse.org/legal/epl-v10.html".
williamr@2: *
williamr@2: * Initial Contributors:
williamr@2: * Nokia Corporation - initial contribution.
williamr@2: *
williamr@2: * Contributors:
williamr@2: *
williamr@2: * Description: 
williamr@2: *
williamr@2: */
williamr@2: 
williamr@2: 
williamr@2: #ifndef MCLFCHANGEDITEMOBSERVER_H
williamr@2: #define MCLFCHANGEDITEMOBSERVER_H
williamr@2: 
williamr@2: //  INCLUDES
williamr@2: #include <CLFContentListing.h>
williamr@2: #include <e32std.h>
williamr@2: 
williamr@2: // FORWARD DECLARATIONS
williamr@2: class MCLFChangedItemObserverExt;
williamr@2: 
williamr@2: // CLASS DECLARATION
williamr@2: 
williamr@2: /**
williamr@2: *  Changed Item Observer interface.
williamr@2: *  Implement this interface to get notifications of changed,
williamr@2: *  new or deleted items.
williamr@2: *
williamr@2: *  @lib ContentListingFramework.lib
williamr@2: *  @since S60 3.1
williamr@2: */
williamr@2: class MCLFChangedItemObserver
williamr@2:     {
williamr@2:     public: // New functions
williamr@2: 
williamr@2:         /**
williamr@2:         * Abstract method for handling item change event. This method is
williamr@2:         * called when, for example, some item is renamed.
williamr@2:         * @since S60 3.1
williamr@2:         * @param aItemIDArray List of Item IDs of changed items.
williamr@2:         */
williamr@2:         virtual void HandleItemChangeL(
williamr@2:                             const TArray<TCLFItemId>& aItemIDArray ) = 0;
williamr@2: 
williamr@2:         /**
williamr@2:         * Abstract method for handling errors. This method can be used to
williamr@2:         * handle errors in changed item event.
williamr@2:         * @since S60 3.1
williamr@2:         * @param aError System wide error code.
williamr@2:         */
williamr@2:         virtual void HandleError( TInt aError ) = 0;
williamr@2: 
williamr@2:     protected:
williamr@2: 
williamr@2:         /**
williamr@2:         * Destructor.
williamr@2:         */
williamr@2:         virtual ~MCLFChangedItemObserver() {}
williamr@2: 
williamr@2:     private: // Extension interface
williamr@2: 
williamr@2:         /**
williamr@2:         * This member is internal and not intended for use.
williamr@2:         */
williamr@2:         virtual MCLFChangedItemObserverExt* Extension() { return NULL; }
williamr@2: 
williamr@2:     };
williamr@2: 
williamr@2: #endif      // MCLFCHANGEDITEMOBSERVER_H
williamr@2: 
williamr@2: // End of File