1 /*

     2 * Copyright (c) 2005 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 

    20 #ifndef MUSUICALLBACKOBSERVER_H

    21 #define MUSUICALLBACKOBSERVER_H

    22 

    23 

    24 #include "musuidefinitions.h"

    25 

    26 

    27 /**

    28  * MUS application's note request interface.

    29  */

    30 class MMusUiCallbackObserver

    31     {

    32 

    33 public: // new functions

    34     

    35     /**

    36      * Process asynchronous event.

    37      *

    38      * @param aEventId Id of the triggered event

    39      */

    40     virtual void HandleAsyncEventL( TMusUiAsyncEvent aEventId ) = 0;

    41 

    42     /**

    43      * Error handler for HandleAsyncEventL.

    44      *

    45      * @param aError is error to be handled.

    46      * @return KErrNone means handled value. All other values will lead to

    47      *         a panic.

    48      */

    49     virtual TInt HandleAsyncError( TInt aError ) = 0;

    50     

    51     };

    52 

    53 

    54 #endif // MUSUICALLBACKOBSERVER_H