/*

* Copyright (c) 2008 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:  Declarations for class CSPEtelLineStatusMonitor

*

*/

#ifndef CSPETELLINESTATUSMONITOR_H_

#define CSPETELLINESTATUSMONITOR_H_

#include <e32base.h>

#include <etelmm.h>

#include "rcsplinecontainer.h"

class MCSPLineStatusObserver;

/**

* Monitors single ETel RMobileLine for calls.

*

*  This monitor is applied only for listening line status changes 

*

*  @lib csplugin.dll

*  @since S60 5.0

*/

NONSHARABLE_CLASS(CSPEtelLineStatusMonitor): public CActive

    {

    public: //Constructors and descructor    

        /**

        * Two-phased constructing for the monitor.

        *

        * @param aObserver the observer for getting notification

        * @param aLine the line to monitor

        * @param aLineId line identifier

        */

        static CSPEtelLineStatusMonitor* NewL( 

                MCSPLineStatusObserver& aObserver,

                RMobileLine& aLine,

                RCSPLineContainer::TCSPLineId aLineId );

        /**

        * C++ default destructor

        */

        virtual ~CSPEtelLineStatusMonitor( );

        /**

        * Start monitoring call events

        * @since S60 5.0

        */

        void StartMonitoring();

    protected: // From CActive

        /**

        * From CActive

        * RunL

        * @since S60 5.0 

        */

        void RunL();

        /**

        * From CActive

        * Cancels the monitor

        * @since S60 5.0 

        */

        void DoCancel();

    private:

        /**

        * C++ default constructor

        * @param aObserver the observer for status change

        * @param aLine the line associated with the call

        * @param aLineId line identifier

        */

        CSPEtelLineStatusMonitor( MCSPLineStatusObserver& aObserver, 

                                 RMobileLine& aLine,

                                 RCSPLineContainer::TCSPLineId aLineId );

    private: // data

        /**

        * Line status from ETel.

        */         

        RMobileCall::TMobileCallStatus iLineStatus; 

        /**

        * Line that is being observed for status changes.

        */

        RMobileLine& iLine;

        /**

        * Line identifier / type.

        */

        RCSPLineContainer::TCSPLineId iLineId;

        /**

        * Line status notifications observer.

        */

        MCSPLineStatusObserver& iObserver;

    };

#endif /*CSPETELLINESTATUSMONITOR_H_*/