/*

* 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:

*

*/

/**

@file

@internalComponent

*/

#ifndef NCMSHAREDSTATEMANAGER_H

#define NCMSHAREDSTATEMANAGER_H

#include <e32base.h>

#include <e32property.h>

#include "ncmpktdrvcommon.h"

#include "ncmcoexistbearerwatcher.h"

/**

The interface to Ncm Engine.

*/

NONSHARABLE_CLASS(MShareStateObserver)

    {

public:

    virtual void NotifyDhcpStarted() = 0;

    };

using namespace UsbNcm;

/**

Maintain the shared state between the Paket Driver and NCM class controller

*/

NONSHARABLE_CLASS(CNcmSharedStateManager) : public CActive

    {

public:

    static CNcmSharedStateManager* NewL(MShareStateObserver& aEngine);

    ~CNcmSharedStateManager();

    TInt NotifyDhcpProvisionRequested();

    void NotifyNcmConnected();

    void NotifyNcmDisconnected(TInt aReason);

    TInt SetStateValue(TInt aType, TInt aValue);

    TInt RegisterNotify(const RMessage2& aMsg);

    TInt DeRegisterNotify();

private:

    CNcmSharedStateManager(MShareStateObserver& aEngine);

    void ConstructL();

    //From CActive

    void RunL();

    void DoCancel();

    TInt DoDhcpProvisionRequest();

private:

    RProperty                    iProperty;

    RMessage2                    iNotifyMsg;

    TPckgBuf<TNcmConnectionEvent> iNcmState;

    MShareStateObserver&         iEngine;

    CNcmCoexistBearerWatcher*    iCoexistBearer;

    };

#endif // NCMSHAREDSTATEMANAGER_H