1 /*

     2 * Copyright (c) 2004 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:  Call status observer interface

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef MVTCTLCALLSTATUSOBSERVER_H

    21 #define MVTCTLCALLSTATUSOBSERVER_H

    22 

    23 //  INCLUDES

    24 #include "MVtCtlCallControl.h"

    25 

    26 // CLASS DECLARATION

    27 

    28 /**

    29 *  Call status observer interface

    30 *

    31 *  @lib CSCallCtrl

    32 *  @since 2.6

    33 */

    34 class MVtCtlCallStatusObserver

    35     {

    36     public:  // new functions

    37 

    38         /**

    39         * Handles call status change.

    40         * @param aId session id

    41         * @param aStatus new session status

    42         * @param aPreviousStatus previous session status

    43         */

    44         virtual void HandleCallStatusChangeL( 

    45             TVtCtlSessionId aId,

    46             MVtCtlCallControl::TVtCtlState aStatus,

    47             MVtCtlCallControl::TVtCtlState aPreviousStatus ) = 0;

    48     };

    49 

    50 #endif      // MVTCTLCALLSTATUSOBSERVER_H

    51 

    52 // End of File