/*

* Copyright (c) 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:  

*

*/

#ifndef CSIPSYSTEMSTATEMONITORIMPL_H

#define CSIPSYSTEMSTATEMONITORIMPL_H

// INCLUDES

#include "sipsystemstatemonitorao.h"

#include "sipsnapavailabilitymonitor.h"

#include <sipsystemstateobserver.h>

#include <sipsystemstatemonitor.h>

// FORWARD DECLARATIONS

class CSipDeviceStateAware;

class CSipRfsMonitorAo;

class CSipVpnMonitorAo;

// CLASS DECLARATION

/**

* The default implementation for Sip System State Monitor.

*

* @lib sipsystemstatemonitor.lib

*/

class CSipSystemStateMonitorImpl : public CSipSystemStateMonitor

    {

    public: // Constructors and destructor

        static CSipSystemStateMonitorImpl* NewL();

        ~CSipSystemStateMonitorImpl();

    public: // From CSipSystemStateMonitor

		CSipSystemStateMonitor::TSystemState State() const;

        void StartMonitoringL( TSystemVariable aVariable,

                               TInt aObjectId,

                               MSipSystemStateObserver& aObserver );

        void StopMonitoring( TSystemVariable aVariable, 

                             TInt aObjectId,

                             MSipSystemStateObserver& aObserver );

        TInt CurrentValue( TSystemVariable aVariable,

                           TInt aObjectId ) const;

        void EventProcessingCompleted( TSystemVariable aVariable,

                            TInt aObjectId,

                            MSipSystemStateObserver& aObserver);

    private: // Constructors

        CSipSystemStateMonitorImpl();

        void ConstructL();

    private: // Private functions

        CSipSnapAvailabilityMonitor* FindSnapMonitorById(

            TInt aSnapId ) const;

    private: // Data

        CSipSystemStateMonitorAo* iMonitorAo;

        RPointerArray<CSipSnapAvailabilityMonitor> iSnapMonitors;

        CSipRfsMonitorAo* iRfsMonitor;

		CSipDeviceStateAware* iSipDeviceAwareObject;

        // P&S monitor for SIP / VPN communication

        CSipVpnMonitorAo* iVpnMonitor;

    private: // For testing purposes

        friend class CSipSystemStateMonitorImplTest;

    };

#endif // CSIPSYSTEMSTATEMONITORIMPL_H