/*

* Copyright (c) 2004 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  Call status observer interface

*

*/

#ifndef MVTCTLCALLSTATUSOBSERVER_H

#define MVTCTLCALLSTATUSOBSERVER_H

//  INCLUDES

#include "MVtCtlCallControl.h"

// CLASS DECLARATION

/**

*  Call status observer interface

*

*  @lib CSCallCtrl

*  @since 2.6

*/

class MVtCtlCallStatusObserver

    {

    public:  // new functions

        /**

        * Handles call status change.

        * @param aId session id

        * @param aStatus new session status

        * @param aPreviousStatus previous session status

        */

        virtual void HandleCallStatusChangeL( 

            TVtCtlSessionId aId,

            MVtCtlCallControl::TVtCtlState aStatus,

            MVtCtlCallControl::TVtCtlState aPreviousStatus ) = 0;

    };

#endif      // MVTCTLCALLSTATUSOBSERVER_H

// End of File