/*

* 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:  Monitors new calls on data line.

*

*/

#ifndef CVTCTLLINEMONITOR_H

#define CVTCTLLINEMONITOR_H

//  INCLUDES

#include <e32base.h>

#include <etelmm.h>

// FORWARD DECLARATIONS

class MVtCtlLineEventObserver;

// CLASS DECLARATION

/**

*  Monitor for new calls

*

*  @lib CSCallCtrl

*  @since 2.6

*/

NONSHARABLE_CLASS( CVtCtlLineMonitor ) : public CActive

    {

    public:  // Constructors and destructor

        /**

        * C++ constructor.

        * @param aLine line subsession

        * @param aObserver line event observer

        */

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

        *   Series 60 Customer / ETel

        *   Series 60  ETel API

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

        CVtCtlLineMonitor( 

            RMobileLine& aLine,

            MVtCtlLineEventObserver& aObserver);

        /**

        * Destructor.

        */

        virtual ~CVtCtlLineMonitor();

    public: // New functions

        /**

        * Starts monitoring

        */

        void Start();

    private:  // Functions from CActive

        /**

        * Cancel monitoring.

        */

        virtual void DoCancel();

        /**

        * Handles new call on line.

        */

        virtual void RunL();

        /**

        * Error handler for leave in RunL

        * @param aError error code

        * @return KErrNone

        */

        virtual TInt RunError( TInt aError );

    private:    // Data

        // Data line

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

        *   Series 60 Customer / ETel

        *   Series 60  ETel API

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

        RMobileLine& iLine;

        // Observer for new calls on line

        MVtCtlLineEventObserver& iObserver;

        // Call name

        TName        iName;

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

        *   Series 60 Customer / ETel

        *   Series 60  ETel API

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

        RMobileCall::TMobileCallStatus iLastLineStatus;

        RMobileCall::TMobileCallStatus iLineStatus;

    };

#endif      // CVTCTLLINEMONITOR_H   

// End of File