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_HNDATACHANGEOBSERVER_H

    20 #define C_HNDATACHANGEOBSERVER_H

    21 

    22 class CHnItemId;

    23 

    24 /**

    25  * @ingroup group_hnengine

    26  * Data change observer interface. It is used to notify the implementing class that something in the database has been changed.

    27  *

    28  * @lib hnengine

    29  * @since S60 v5.0 

    30  */

    31 NONSHARABLE_CLASS(CHnDataChangeObserver) : public CBase

    32     {    

    33     public:

    34 

    35     /**

    36      * DataChangeL is called when sth in database was changed.

    37      * @since S60 v5.0

    38      * @param aItemIds Array with ItemIds of changed entries.

    39      */

    40     virtual void DataChangedL( RPointerArray< CHnItemId >& aItemIds ) = 0;

    41     };

    42 

    43 

    44 #endif // C_HNDATACHANGEOBSERVER_H