/*

* 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 CSIPSYSTEMSTATEMONITORAO_H

#define CSIPSYSTEMSTATEMONITORAO_H

//  INCLUDES

#include <sipsystemstateobserver.h>

#include <sipsystemstatemonitor.h>

#include <e32property.h>

#include <e32base.h>

// CLASS DECLARATION

class CSipSystemStateMonitorAo : public CActive

    {

	public: // Constructors and destructor

        static CSipSystemStateMonitorAo* NewL();

		~CSipSystemStateMonitorAo();

    public: // New functions

        CSipSystemStateMonitor::TSystemState State() const;

        void AddObserverL( MSipSystemStateObserver& aObserver );

        void RemoveObserver( MSipSystemStateObserver& aObserver );

	private: // Constructors

        CSipSystemStateMonitorAo();

		void ConstructL ();

	private: // From CActive

		void RunL();

        TInt RunError( TInt aError );

		void DoCancel();

    private: // New functions

        void NotifyObservers();

        TBool IsSystemReady( TInt aSystemState ) const;

	private: // Data

		RProperty iProperty;

		// Observers not owned

		RPointerArray<MSipSystemStateObserver> iObservers;

		CSipSystemStateMonitor::TSystemState iState;

    private: // For testing purposes

        friend class CSipSystemStateMonitorImplTest;

        friend class CSipSystemStateMonitorAoTest;	

    };

#endif //CSIPSYSTEMSTATEMONITORAO_H