/**

* Copyright (c) 1997-2009 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 a Symbian OS server that exposes the RUsb API

* 

*

*/

/**

 @file

*/

#ifndef __CUSBSERVER_H__

#define __CUSBSERVER_H__

_LIT(KUsbSvrPncCat, "CUsbServer");

enum TUsbPanicServer

	{

	EICSInvalidCount 			= 0x00,

	EDCSInvalidCount 			= 0x10,

	ELSTNSNotIdle 				= 0x20,

	ENullPersonalityPointer 	= 0x30,

	EMaxClassUidsBufTooSmall	= 0x40

	};

//

// Forward declarations

//

class CUsbDevice;

#ifdef SYMBIAN_ENABLE_USB_OTG_HOST_PRIV

class CUsbOtg;

class CUsbHost;

#endif // SYMBIAN_ENABLE_USB_OTG_HOST_PRIV

/**

 * The CUsbServer class

 *

 * Implements a Symbian OS server that exposes the RUsb API

 */

 NONSHARABLE_CLASS(CUsbServer) : public CPolicyServer

	{

public:

	static CUsbServer* NewLC();

	virtual ~CUsbServer();

	virtual CSession2* NewSessionL(const TVersion &aVersion, const RMessage2& aMessage) const;

	void Error(TInt aError);

	inline CUsbDevice& Device() const;

#ifdef SYMBIAN_ENABLE_USB_OTG_HOST_PRIV

	inline CUsbOtg& Otg() const;

	inline CUsbHost& Host() const;

#endif // SYMBIAN_ENABLE_USB_OTG_HOST_PRIV

	void IncrementSessionCount();

	void DecrementSessionCount();

	inline TInt SessionCount() const;

	void LaunchShutdownTimerIfNoSessions();

protected:

	CUsbServer();

	void ConstructL();

private:

	CUsbDevice* iUsbDevice;

#ifdef SYMBIAN_ENABLE_USB_OTG_HOST_PRIV

	CUsbOtg* iUsbOtg;

	CUsbHost* iUsbHost;

#endif // SYMBIAN_ENABLE_USB_OTG_HOST_PRIV

	TInt iSessionCount;

	enum {KShutdownDelay = 2 * 1000 * 1000};	// 2 seconds

	class CShutdownTimer : public CTimer

		{

	public:

		CShutdownTimer();

		void ConstructL();

		virtual void RunL();

		};

	CShutdownTimer* iShutdownTimer;

	};

#include "CUsbServer.inl"

#endif