1 /*

     2 * Copyright (c) 2002 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:  MNssVASDBEventNotifier is the interface class for clients to add 

    15 *				 or remove observers to the VAS database. 

    16 *

    17 */

    18 

    19 

    20 #ifndef NSSMVASDBEVENTNOTIFIER_H

    21 #define NSSMVASDBEVENTNOTIFIER_H

    22 

    23 //  INCLUDES

    24 #include <nssvascoreconstant.h>

    25 #include <nssvasmvasdatabaseobserver.h>

    26 

    27 

    28 // CLASS DECLARATION

    29 

    30 /**

    31 *  MNssVASDBEventNotifier is the interface class for clients to add/remove observers.

    32 *  @lib NssVASApi.lib

    33 *  @since 2.8

    34 */

    35 class MNssVASDBEventNotifier 

    36     {

    37     public:  

    38       /**

    39       * Adds an observer to VAS DB

    40       * @since 2.0

    41       * @param call back address

    42       * @return none

    43       */

    44 	  virtual void AddObserverL(MNssVASDatabaseObserver* aObserver) = 0;

    45 

    46 	  /**

    47       * Removes an observer from VAS DB

    48       * @param call back address

    49       * @leave KErrNotFound if given observer has never been added

    50       */

    51 	  virtual void RemoveObserverL(MNssVASDatabaseObserver* aObserver) = 0;

    52 

    53     };

    54 

    55 #endif      // MVASDBEVENTNOTIFIER_H

    56             

    57 // End of File