1 /*

     2 * Copyright (c) 2008-2009 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 *

    16 */

    17 

    18 /**

    19  @file

    20  @internalComponent

    21  @released

    22 */

    23 

    24 #ifndef CUSBHOST_H

    25 #define CUSBHOST_H

    26 

    27 #include "usbhoststack.h"

    28 #include "musbotghostnotifyobserver.h"

    29 #include "musbinternalobservers.h"

    30 #include "cusbhostwatcher.h"

    31 

    32 NONSHARABLE_CLASS(CUsbHost) : public CBase, public MUsbHostObserver

    33 	{

    34 public:

    35 	static CUsbHost* NewL();

    36 	virtual ~CUsbHost();

    37 

    38 private:

    39 	CUsbHost();

    40 	void ConstructL();

    41 

    42 private:

    43 	static CUsbHost* iInstance;

    44 	

    45 public:

    46 	void StartL();

    47 	void Stop();

    48 	void RegisterObserverL(MUsbOtgHostNotifyObserver& aObserver);

    49 	void DeregisterObserver(MUsbOtgHostNotifyObserver& aObserver);

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

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

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

    53 	TInt GetOtgDescriptor(TUint aDeviceId, TOtgDescriptor& otgDescriptor);

    54 	TInt EnableDriverLoading();

    55 	void DisableDriverLoading();

    56 

    57 public:

    58 	// MUsbHostObserver

    59 	virtual void NotifyHostEvent(TUint aWatcherId);

    60 

    61 private:

    62 

    63 	void UpdateNumOfObservers();

    64 

    65 private:

    66 	TBool iHasBeenStarted;

    67 

    68 	CActiveUsbHostWatcher* iUsbHostWatcher[2];

    69 	TDeviceEventInformation iHostEventInfo;

    70 	TInt iHostMessage;

    71 	RUsbHostStack iUsbHostStack;

    72 	RPointerArray<MUsbOtgHostNotifyObserver> iObservers;

    73 	TUint iNumOfObservers;

    74 	};

    75 

    76 #endif //CUSBHOST_H