/**

* 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:

* Implements the main object of Usbman that manages all the OTG-related activity

* 

*

*/

/**

 @file

*/

#ifndef __CUSBOTG_H__

#define __CUSBOTG_H__

#include <d32otgdi.h>

#include <d32otgdi_errors.h>

#include <e32std.h>

#include <usb/usblogger.h>

#include "musbinternalobservers.h"

class CUsbServer;

class CUsbOtgWatcher;

class CUsbOtgIdPinWatcher;

class CUsbOtgVbusWatcher;

class CUsbOtgStateWatcher;

class CUsbOtgEventWatcher;

class CUsbOtgConnectionIdleWatcher;

class MUsbOtgHostNotifyObserver;

class RUsbOtgDriver;

class CRequestSessionWatcher;

/**

 * The CUsbOtg class

 *

 * Implements the main object of Usbman that manages all OTG related functionality

 * It owns one instance of CUsbOtgStateWatcher.

 * It also owns an instance of RUsbOtgDriver, a handle on the logical device

 * driver for USB OTG for Symbian OS.

 *

 * CUsbOtg is an active object which starts and stops internal CUsbOtgStateWatcher

 * in order to monitor ID-Pin and VBus state. Its RunL function will be called when

 * one of RUsbOtgDriver::TOtgEvent occurs.

 */

NONSHARABLE_CLASS(CUsbOtg) : public CBase, public MUsbOtgObserver

	{

public:

	static CUsbOtg* NewL();

	virtual ~CUsbOtg();

	void RegisterObserverL(MUsbOtgHostNotifyObserver& aObserver);

	void DeRegisterObserver(MUsbOtgHostNotifyObserver& aObserver);

	void StartL();

	void Stop();

	TInt BusRequest();

	TInt BusRespondSrp();

	TInt BusClearError();

	TInt BusDrop();

	void NotifyOtgEvent();

public:

	// From MUsbMessageObserver

	virtual void NotifyMessage(TInt aMessage);

protected:

	CUsbOtg();

	void ConstructL();

	TInt TranslateOtgEvent();

private:

	RPointerArray<MUsbOtgHostNotifyObserver> iObservers;

	TInt iLastError;

	RUsbOtgDriver iOtgDriver;

	RUsbOtgDriver::TOtgEvent iOtgEvent;

	CUsbOtgWatcher* iOtgWatcher;

	CUsbOtgIdPinWatcher* iIdPinWatcher;

	CUsbOtgVbusWatcher* iVbusWatcher;

	CUsbOtgStateWatcher* iOtgStateWatcher;

	CUsbOtgEventWatcher* iOtgEventWatcher;

    CUsbOtgConnectionIdleWatcher* iOtgConnectionIdleWatcher;

	TUint iOtgMessage;

	CRequestSessionWatcher *iRequestSessionWatcher;

	RCriticalSection iCriticalSection;

	};

#endif