1 /*

     2 * Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies). 

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 *

    16 */

    17 

    18 

    19 #ifndef MCLFCHANGEDITEMOBSERVER_H

    20 #define MCLFCHANGEDITEMOBSERVER_H

    21 

    22 //  INCLUDES

    23 #include <CLFContentListing.h>

    24 #include <e32std.h>

    25 

    26 // FORWARD DECLARATIONS

    27 class MCLFChangedItemObserverExt;

    28 

    29 // CLASS DECLARATION

    30 

    31 /**

    32 *  Changed Item Observer interface.

    33 *  Implement this interface to get notifications of changed,

    34 *  new or deleted items.

    35 *

    36 *  @lib ContentListingFramework.lib

    37 *  @since S60 3.1

    38 */

    39 class MCLFChangedItemObserver

    40     {

    41     public: // New functions

    42 

    43         /**

    44         * Abstract method for handling item change event. This method is

    45         * called when, for example, some item is renamed.

    46         * @since S60 3.1

    47         * @param aItemIDArray List of Item IDs of changed items.

    48         */

    49         virtual void HandleItemChangeL(

    50                             const TArray<TCLFItemId>& aItemIDArray ) = 0;

    51 

    52         /**

    53         * Abstract method for handling errors. This method can be used to

    54         * handle errors in changed item event.

    55         * @since S60 3.1

    56         * @param aError System wide error code.

    57         */

    58         virtual void HandleError( TInt aError ) = 0;

    59 

    60     protected:

    61 

    62         /**

    63         * Destructor.

    64         */

    65         virtual ~MCLFChangedItemObserver() {}

    66 

    67     private: // Extension interface

    68 

    69         /**

    70         * This member is internal and not intended for use.

    71         */

    72         virtual MCLFChangedItemObserverExt* Extension() { return NULL; }

    73 

    74     };

    75 

    76 #endif      // MCLFCHANGEDITEMOBSERVER_H

    77 

    78 // End of File