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 *

    16 */

    17 

    18 /** @file

    19  *

    20  * The mixin used by the USB Device object to notify all of

    21  * it's observers of any state changes that occur

    22  *

    23  * Copyright (c) 1997-2007 Symbian Ltd.  All rights reserved.

    24  */

    25 

    26 #ifndef __MUSBDEVICENOTIFY_H__

    27 #define __MUSBDEVICENOTIFY_H__

    28 

    29 #include <usbstates.h>

    30 

    31 /**

    32  * The MUsbDeviceNotify class

    33  *

    34  * The mixin used by the USB Device object to notify all of

    35  * it's observers of any state changes that occur

    36 

    37   @publishedPartner

    38   @released

    39  */

    40 class MUsbDeviceNotify

    41 	{

    42 public:

    43 	/**

    44 	 * Called when the USB service state has changed

    45 	 *

    46 	 * @param aLastError The last error code detected

    47 	 * @param aOldState The previous service state

    48 	 * @param aNewState The new service state

    49 	 */

    50 	virtual void UsbServiceStateChange(TInt aLastError, TUsbServiceState aOldState, TUsbServiceState aNewState) = 0;

    51 

    52 	/**

    53 	 * Called when the USB device state has changed

    54 	 *

    55 	 * @param aLastError The last error code detected

    56 	 * @param aOldState The previous device state

    57 	 * @param aNewState The new device state

    58 	 */

    59 	virtual void UsbDeviceStateChange(TInt aLastError, TUsbDeviceState aOldState, TUsbDeviceState aNewState) = 0;

    60 	};

    61 

    62 #endif

    63