1 /*

     2 * Copyright (c) 2007-2008 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 C_HNDATACHANGENOTIFIER_H

    20 #define C_HNDATACHANGENOTIFIER_H

    21 

    22 #include "hndatachangeobserver.h"

    23 

    24 

    25 /**

    26  * @ingroup group_hnengine

    27  * Data change notifier interface.

    28  *

    29  * @lib hnengine

    30  * @since S60 v5.0

    31  */

    32 class MHnDataChangeNotifier

    33     {    

    34     public:

    35     

    36     /**

    37      * Subscribes observer.

    38      *

    39      * @since S60 v5.0

    40      * @param aObserv Observer to HNEngine.

    41      */

    42     virtual void SubscribeL( CHnDataChangeObserver* aObserv ) = 0;  

    43     };

    44 

    45 

    46 #endif // C_HNDATACHANGENOTIFIER_H