1 /*

     2  * Copyright (c) 2009 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 MTONESELECTIONWATCHER_H

    20 #define MTONESELECTIONWATCHER_H

    21 

    22 #include <e32def.h>

    23 #include <e32cmn.h> 

    24 

    25 /*

    26  * this class is used to watch MDE system change, inherited by ToneFetcherEnginePrivate

    27  */

    28 class MToneSelectionWatcher

    29     {

    30     public:

    31         // handle mde session error event

    32         virtual void HandleMdeSessionError( TInt aError ) = 0;

    33         

    34         // handle mde session open event

    35         virtual void HandleMdeSessionOpened() = 0;

    36         

    37         // handle query error event        

    38         virtual void HandleQueryError( TInt aError ) = 0;

    39         

    40         // handle query complete event

    41         virtual void HandleQueryComplete( RPointerArray<TDesC>& ) = 0;

    42         

    43         // handle object changed event

    44         virtual void HandleObjectChanged() = 0;

    45     };

    46 

    47 #endif /* MTONESELECTIONWATCHER_H */