1 /**

     2 * Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 * Implements a Symbian OS server that exposes the RUsb API

    16 * 

    17 *

    18 */

    19 

    20 

    21 

    22 /**

    23  @file

    24 */

    25 

    26 #ifndef __CUSBSERVER_H__

    27 #define __CUSBSERVER_H__

    28 

    29 

    30 _LIT(KUsbSvrPncCat, "CUsbServer");

    31 

    32 enum TUsbPanicServer

    33 	{

    34 	EICSInvalidCount 			= 0x00,

    35 	EDCSInvalidCount 			= 0x10,

    36 	ELSTNSNotIdle 				= 0x20,

    37 	ENullPersonalityPointer 	= 0x30,

    38 	EMaxClassUidsBufTooSmall	= 0x40

    39 	};

    40 

    41 //

    42 // Forward declarations

    43 //

    44 class CUsbDevice;

    45 #ifdef SYMBIAN_ENABLE_USB_OTG_HOST_PRIV

    46 class CUsbOtg;

    47 class CUsbHost;

    48 #endif // SYMBIAN_ENABLE_USB_OTG_HOST_PRIV

    49 

    50 /**

    51  * The CUsbServer class

    52  *

    53  * Implements a Symbian OS server that exposes the RUsb API

    54  */

    55  NONSHARABLE_CLASS(CUsbServer) : public CPolicyServer

    56 	{

    57 public:

    58 	static CUsbServer* NewLC();

    59 	virtual ~CUsbServer();

    60 

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

    62 	void Error(TInt aError);

    63 

    64 	inline CUsbDevice& Device() const;

    65 

    66 #ifdef SYMBIAN_ENABLE_USB_OTG_HOST_PRIV

    67 	inline CUsbOtg& Otg() const;

    68 	inline CUsbHost& Host() const;

    69 #endif // SYMBIAN_ENABLE_USB_OTG_HOST_PRIV

    70 

    71 	void IncrementSessionCount();

    72 	void DecrementSessionCount();

    73 	inline TInt SessionCount() const;

    74 	void LaunchShutdownTimerIfNoSessions();

    75 

    76 protected:

    77 	CUsbServer();

    78 	void ConstructL();

    79 	

    80 private:

    81 	CUsbDevice* iUsbDevice;

    82 #ifdef SYMBIAN_ENABLE_USB_OTG_HOST_PRIV

    83 	CUsbOtg* iUsbOtg;

    84 	CUsbHost* iUsbHost;

    85 #endif // SYMBIAN_ENABLE_USB_OTG_HOST_PRIV

    86 

    87 	TInt iSessionCount;

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

    89 	class CShutdownTimer : public CTimer

    90 		{

    91 	public:

    92 		CShutdownTimer();

    93 		void ConstructL();

    94 		virtual void RunL();

    95 		};

    96 	CShutdownTimer* iShutdownTimer;

    97 	};

    98 

    99 #include "CUsbServer.inl"

   100 

   101 #endif