/*
* Copyright (c) 2005-2007 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 the call.
*
*/



#ifndef MUSAOCALLMONITOR_H
#define MUSPROPERTYMONITOR_H

#include "musunittesting.h"
#include <etelmm.h>
#include <e32base.h>
#include <e32property.h>

class CMusManager;

/**
 * Monitor, which observes status of current cs call  
 *
 * @lib musaoplugin.dll
 */
class CMusPropertyMonitor : public CActive
    {

    public: // constructors and destructor

        /**
         * Two-phased constructor. Leaves on failure.
         */
        static CMusPropertyMonitor* NewL();

        /**
         * Destructor.
         */
        ~CMusPropertyMonitor();

    private:

        /**
         * C++ constructor.
         */
        CMusPropertyMonitor();

        /**
         * Symbian 2nd-phase constructor.
         */
        void ConstructL();

         /**
         * Starts Mus Manager Client.In turn it will start Mus Manager
         * Server and Availability Plugin.
         */
        void StartMusClientL();

        /*
         * Stops Mus Manager Client.
         */ 
        void StopMusClient();
    

    private:

        /**
         * Handles an active object's request completion event.
         */
        void RunL();
        
        /**
         * cancels of an outstanding request
         */        
        void DoCancel();

         /*
         * Handles a leave occurring in the request completion 
         * event handler RunL().
         * Always return KErrNone since it must handle this error
         * if it comes to this place.
         */
        TInt RunError( TInt aError );



    private:    

        /**
         * Instance of RProperty.
         */
        RProperty iPropertyEvent;        

        /**
         * Instance of MusManager Client. Owned.
         */
        CMusManager* iManager;

        MUS_UNITTEST( UT_CMusPropertyMonitor )

    };

#endif // MUSPROPERTYMONITOR_H