1 // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

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

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 /**

    17  @file

    18  @internalComponent

    19 */

    20 #ifndef CMTPUSBENDPOINTWATCHER_H

    21 #define CMTPUSBENDPOINTWATCHER_H

    22 

    23 #include "mtpdebug.h"

    24 

    25 class CMTPUsbConnection;

    26 

    27 /**

    28 Implements the USB MTP device class endpoint stall status observer.

    29 @internalComponent

    30  

    31 */

    32 class CMTPUsbEpWatcher: public CActive

    33     {

    34 public:

    35 

    36     static CMTPUsbEpWatcher* NewL(CMTPUsbConnection& aConnection);

    37     ~CMTPUsbEpWatcher();

    38     

    39     void Start();

    40     void Stop();

    41     

    42 private: // From CActive

    43 

    44     void DoCancel();

    45     TInt RunError(TInt aError);

    46     void RunL();

    47     

    48 private:

    49 

    50     CMTPUsbEpWatcher(CMTPUsbConnection& aConnection);

    51     void ConstructL();

    52     

    53     void RequestCancel();

    54     void RequestIssue();

    55       

    56 private: // Owned

    57 

    58     /**

    59     FLOGGER debug trace member variable.

    60     */

    61     __FLOG_DECLARATION_MEMBER;

    62 

    63     /**

    64     The endpoint stall status flags.

    65     */

    66     TUint               iEndpointStatus;

    67       

    68 private: // Not owned

    69 

    70     /**

    71     The MTP USB device class connection.

    72     */

    73     CMTPUsbConnection&  iConnection;

    74     };

    75     

    76 #endif // CMTPUSBENDPOINTWATCHER_H