/*

* Copyright (c) 2002-2009 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:

*

*/

/** @file

 @internalComponent

 @test

 */

#ifndef DEVICEWATCHER_H

#define DEVICEWATCHER_H

#include <e32base.h>

#include <d32usbc.h>

class CUsbNcmConsole;

//The mode of CDeviceWatcher

enum TDeviceWatchMode

	{

	EWatchMode,				//Only monitor the device state

	EWatchAndStartMode		//monitor the device state and start/stop NCM and NCM control app 

							//when usb cable plugin/unplug

	};

NONSHARABLE_CLASS(CDeviceWatcher) : public CActive

/**

Monitor the USB device state.

*/

	{	

public:

	static CDeviceWatcher* NewL(CUsbNcmConsole& aUsb);

	~CDeviceWatcher();

	void SetWatchMode(TDeviceWatchMode aWatchMode);

	TDeviceWatchMode GetWatchMode() const;

private:

	CDeviceWatcher(CUsbNcmConsole& aUsb);

	void ConstructL();

private:

	//From CActive

	void DoCancel();

	void RunL();

	TInt RunError(TInt aError);

private:

	void DisplayDeviceState(TUint aDeviceState);

private:

	//Main console

	CUsbNcmConsole&  iTestConsole;

	RDevUsbcClient iLdd;

	//Usb device state

	TUint		iDeviceState;

	//Usb old device state

	TUint		iOldDeviceState;

	//Indicate whether start/stop behavior are used. ETrue means start/stop is needed.

	TBool				iStartNcm;	

	TDeviceWatchMode	iWatchMode;

	};

#endif //DEVICEWATCHER_H