// 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 PANCOEXISTENCECONNECTIONCONTROLLER_H

#define PANCOEXISTENCECONNECTIONCONTROLLER_H

/**

@file

@note Due to the limitation of DHCP server, BT PAN should not work concurrently with RNDIS. 

This class is used for mutual exclusion between PAN and RNDIS.

@internalComponent

*/

#include <e32std.h>

#include <e32base.h> 

#include <e32property.h>

class MPanCoexistenceConnectionObserver;

// This is a local definition of this shared enum of P&S key values.  These values should not be changed without changing

// the equivalent definition in the other IP bearer code.

enum TIPBearerCoexistenceStatus

	{

	ENoneIsActive, 

	ERndisIsActive,

	EBTPanIsActive

	};

// This is a local definition of this shared P&S id.  This value should not be changed without changing

// the equivalent definition in the other IP bearer code.

const TInt KIPBearerCoexistenceProperty = 0x10286a95;

class CPanCoexistenceConnectionController : public CActive

	{

public:

	static CPanCoexistenceConnectionController* NewL(MPanCoexistenceConnectionObserver& aObserver);

	~CPanCoexistenceConnectionController();

public:

	TInt TryToCreateNewPanConnection();

	void HandleAllPanConnectionsClosed();

	TIPBearerCoexistenceStatus ReadStatus();

private:

	CPanCoexistenceConnectionController(MPanCoexistenceConnectionObserver& aObserver);

	void ConstructL();

	TInt DefineProperty();

	void WriteStatus(TIPBearerCoexistenceStatus aStatus);

	void SubscribeToProperty();

private:

	void RunL();

	void DoCancel();

private:

	RProperty iProperty;

	RMutex iMutex;

	// These are the flags to set whether BT PAN connection is active and the status transition

	// is initiated by BT PAN

	TBool iActivePanConnectionExists;

	TBool iLocallyInitiatedTransition;

	MPanCoexistenceConnectionObserver& iPanCoexistenceConnectionObserver;

	};

class MPanCoexistenceConnectionObserver

	{

public:

	// This method is called ONLY when the value of the Co-existence status is changed due

	// to a different IP bearer (e.g., RNDIS)

	virtual void MpccoPanCoexistenceConnectionUpdated(TIPBearerCoexistenceStatus aStatus) = 0; 

	};

#endif /*PANCOEXISTENCECONNECTIONCONTROLLER_H*/