1 /*

     2 * Copyright (c) 2006 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 M_NCDPROVIDEROBSERVER_H

    20 #define M_NCDPROVIDEROBSERVER_H

    21 

    22 #include <e32cmn.h>

    23 #include "catalogsarray.h"

    24 

    25 class MNcdNode;

    26 

    27 /**

    28  * Observer interface for provider generic events

    29  *

    30  * Provider users should implement this interface to be able to receive

    31  * notifications from the root node provider

    32  */

    33 class MNcdProviderObserver

    34     {

    35     

    36 public:

    37 

    38     /**

    39      * Called when information of expired nodes has been received. Users must

    40      * re-load these nodes to get updated data.

    41      *

    42      * @param aExpiredNodes A list of expired nodes in need of re-loading.

    43      */

    44     virtual void ForceExpirationInformationReceived(

    45         RCatalogsArray< MNcdNode >& aExpiredNodes ) = 0;

    46     };

    47     

    48 #endif //  M_NCDPROVIDEROBSERVER_H