1 /*

     2 * Copyright (c) 2010 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 #ifndef C_USBMESSAGENOTIFICATIONOBSERVER_H

    19 #define C_USBMESSAGENOTIFICATIONOBSERVER_H

    20 

    21 #include <e32base.h>

    22 

    23 #include "tassertbase.h"

    24 

    25 class RUsb;

    26 

    27 class MUsbMessageNotificationObserver

    28     {

    29 public:

    30 

    31     virtual void MessageNotificationReceivedL(TInt) = 0;

    32     virtual void BadHubPositionL() = 0;

    33     virtual void VBusErrorL() = 0;

    34     virtual void SrpReceivedL() = 0;

    35     virtual void SessionRequestedL() = 0;

    36     };

    37 

    38 /**

    39  *  Class observes USB Notifications

    40  *

    41  *  @lib ?library

    42  *  @since S60 ?S60_version *** for example, S60 v3.0

    43  */

    44 class CUsbMessageNotificationObserver : public TAssertBase

    45     {

    46     friend class CtUsbOtgWatcher;

    47     friend class CUsbOtgWatcherTest;

    48 

    49 public:

    50 

    51     /**

    52      * Two-phased constructor.

    53      * @param ?arg1 ?description

    54      * @param ?arg2 ?description

    55      */

    56     //    ?IMPORT_C 

    57     static CUsbMessageNotificationObserver* NewL(RUsb* aUsb);

    58 

    59     /**

    60      * Destructor.

    61      */

    62     virtual ~CUsbMessageNotificationObserver();

    63 

    64     void SubscribeL(MUsbMessageNotificationObserver&);

    65 

    66     void UnsubscribeL(MUsbMessageNotificationObserver&);

    67 

    68     void TriggerMessageNotificationReceivedL(TInt);

    69     void TriggerBadHubPositionL();

    70     void TriggerVBusErrorL();

    71     void TriggerSrpReceivedL();

    72     void TriggerSessionRequestedL();

    73 

    74 private:

    75 

    76     CUsbMessageNotificationObserver(RUsb* aUsb);

    77 

    78     void ConstructL();

    79 

    80 private:

    81     // data

    82 

    83     // The observer reports to own observers

    84     // Owns

    85     MUsbMessageNotificationObserver* iObserver;

    86 

    87     // Notifications come from USB

    88     // Not own

    89     RUsb* iUsb;

    90 

    91     // Info from notification comes to this member

    92     TInt iMessage;

    93 

    94     };

    95 

    96 #endif //  C_USBMESSAGENOTIFICATIONOBSERVER_H