/*

* Copyright (c) 2008-2009 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 CAGNSYSTEMSTATEOBSERVER_H

#define CAGNSYSTEMSTATEOBSERVER_H

#include <e32base.h>	

#include <ssm/ssmstateawaresession.h>

#include <e32property.h> //RProperty workaround

#include "agsfilemanager.h"

class CCAgnSystemStateObserver : public CActive

	{

public:

    static CCAgnSystemStateObserver* NewL (CAgnServFileMgr& aFileMgr);

    ~CCAgnSystemStateObserver ();

    TBool IsShutdownInProgress() const;

private:

    CCAgnSystemStateObserver (CAgnServFileMgr& aFileMgr);

    // Second-phase constructor

    void ConstructL ();

    //Some system state work around functions

    TBool SubscribeToShutdownNotifications();

    void ConvertToSystemState(TSsmState& aState);

    void SendSystemStateAck();

    void GetState(TSsmState& state);

    void AcknowledgeAndRequestStateNotification();

private:

    // From CActive

    void RunL ();

    void DoCancel ();

    TInt RunError (TInt aError);

private:

    RSsmStateAwareSession iStateAwareSession;

    RProperty iNotification;

    TBool iWorkAround;

    CAgnServFileMgr& iFileMgr;

    TBool iShutdown;

	};

#endif // CAGNSYSTEMSTATEOBSERVER_H