/*

* Copyright (c) 2010 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 : P&S key monitor for communication between SIP Profile 

*               server and VPN client

* Name        : sipvpnmonitorao.cpp

* Part of     : Sip System State Monitor

* Version     : 1.0

*

*/

#ifndef SIPVPNMONITORAO_H

#define SIPVPNMONITORAO_H

// INCLUDES

#include <e32base.h>

#include <e32std.h>

#include <e32property.h>

#include <e32cmn.h>

#include <sipsystemstatemonitor.h>

class CSipVpnMonitorAo : public CActive

    {

    public: // Constructors and destructor

        static CSipVpnMonitorAo* NewL();    

        ~CSipVpnMonitorAo();

    private: // Constructors

        CSipVpnMonitorAo();

        void ConstructL();

    public: // New Functions

        CSipSystemStateMonitor::TVpnState State() const;

        void AddObserverL( MSipSystemStateObserver& aObserver );

        void RemoveObserver( MSipSystemStateObserver& aObserver );

        void EventProcessingCompleted(MSipSystemStateObserver& aObserver);

        TBool MappedState(TInt aState);

        static TInt TimerExpired(TAny* aSelf);

    private:

        void NotifyObservers();

        void EventProcessingCompleted();

    private: // From CActive

        void RunL();

        TInt RunError( TInt aError );

        void DoCancel();

    private: // Data

        TInt                                        iCount;

        // Observers not owned

        RPointerArray<MSipSystemStateObserver> iObservers;

        RProperty iProperty;

        CSipSystemStateMonitor::TVpnState iState;

        CPeriodic* iGuardTimer;

    private: // For testing purposes  

        friend class CSipVpnMonitorAoTestApp;

    };

#endif /* SIPVPNMONITORAO_H */