/*

* 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:  Observer interface for line events.

*

*/

#ifndef MVTCTLLINEEVENTOBSERVER_H

#define MVTCTLLINEEVENTOBSERVER_H

//  INCLUDES

#include <e32def.h>

// CLASS DECLARATION

/**

*  Observer interface for line events

*

*  @lib CSCallCtrl

*  @since 2.6

*/

class MVtCtlLineEventObserver

    {

    public:  // new functions

        /**

        * ELineEventCallAdded    call added to line

        * ELineEventIncomingCall incoming call

        * ELineEventStatusChange line status changed

        */

        enum TLineEvent {

            ELineEventCallAdded,

            ELineEventIncomingCall,

            ELineEventStatusChange

            };

        /**

        * Event handler for line events.

        * @param aEvent line event

        * @param aCallName call name

        */

        virtual void HandleLineEventL( 

            const TLineEvent aEvent, 

            TDesC& aCallName ) = 0;

        /**

        * Event handler for line events.

        * @param aEvent line event

        * @param aCallName call name

        * @param aStatus call status

        */

        /*****************************************************

        *   Series 60 Customer / ETel

        *   Series 60  ETel API

        *****************************************************/

        virtual void HandleLineEventL( 

            const TLineEvent aEvent, 

            const RMobileCall::TMobileCallStatus aStatus ) = 0;

    };

#endif      // MVTCTLLINEEVENTOBSERVER_H   

// End of File