/*

* 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:

*

*/

/**

 @file

 @internalComponent

 @released

*/

#ifndef CUSBHOST_H

#define CUSBHOST_H

#include "usbhoststack.h"

#include "musbotghostnotifyobserver.h"

#include "musbinternalobservers.h"

#include "cusbhostwatcher.h"

NONSHARABLE_CLASS(CUsbHost) : public CBase, public MUsbHostObserver

	{

public:

	static CUsbHost* NewL();

	virtual ~CUsbHost();

private:

	CUsbHost();

	void ConstructL();

private:

	static CUsbHost* iInstance;

public:

	void StartL();

	void Stop();

	void RegisterObserverL(MUsbOtgHostNotifyObserver& aObserver);

	void DeregisterObserver(MUsbOtgHostNotifyObserver& aObserver);

	TInt GetProductStringDescriptor(TUint aDeviceId,TUint aLangId,TName& aString);

	TInt GetSupportedLanguages(TUint aDeviceId,RArray<TUint>& aLangIds);

	TInt GetManufacturerStringDescriptor(TUint aDeviceId,TUint aLangId,TName& aString);

	TInt GetOtgDescriptor(TUint aDeviceId, TOtgDescriptor& otgDescriptor);

	TInt EnableDriverLoading();

	void DisableDriverLoading();

public:

	// MUsbHostObserver

	virtual void NotifyHostEvent(TUint aWatcherId);

private:

	void UpdateNumOfObservers();

private:

	TBool iHasBeenStarted;

	CActiveUsbHostWatcher* iUsbHostWatcher[2];

	TDeviceEventInformation iHostEventInfo;

	TInt iHostMessage;

	RUsbHostStack iUsbHostStack;

	RPointerArray<MUsbOtgHostNotifyObserver> iObservers;

	TUint iNumOfObservers;

	};

#endif //CUSBHOST_H