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 

    21 #include "cmtpusbconnection.h"

    22 #include "cmtpusbepwatcher.h"

    23 

    24 __FLOG_STMT(_LIT8(KComponent,"UsbEpWatcher");)

    25 

    26 /**

    27 USB MTP device class endpoint stall status observer factory method.

    28 @return A pointer to an USB MTP device class endpoint stall status 

    29 observer object. Ownership IS transfered.

    30 @leave One of the system wide error codes, if a processing failure occurs.

    31 */

    32 CMTPUsbEpWatcher* CMTPUsbEpWatcher::NewL(CMTPUsbConnection& aConnection)

    33     {

    34     CMTPUsbEpWatcher* self = new (ELeave) CMTPUsbEpWatcher(aConnection);

    35     CleanupStack::PushL(self);

    36     self->ConstructL();

    37     CleanupStack::Pop(self);

    38     return self;

    39     }

    40     

    41 /**

    42 Destructor.

    43 */

    44 CMTPUsbEpWatcher::~CMTPUsbEpWatcher()

    45     {

    46     __FLOG(_L8("~CMTPUsbEpWatcher - Entry"));

    47     Cancel();

    48     __FLOG(_L8("~CMTPUsbEpWatcher - Exit"));

    49     __FLOG_CLOSE;

    50     }

    51 

    52 void CMTPUsbEpWatcher::Start()

    53     {

    54     __FLOG(_L8("Start - Entry"));

    55     if (!IsActive())

    56         {

    57         RequestIssue();

    58         }

    59     __FLOG(_L8("Start - Exit"));

    60     }

    61     

    62 void CMTPUsbEpWatcher::Stop()

    63     {

    64     __FLOG(_L8("Stop - Entry"));

    65     Cancel();

    66     __FLOG(_L8("Stop - Exit"));

    67     }

    68     

    69 void CMTPUsbEpWatcher::DoCancel()

    70     {

    71     __FLOG(_L8("DoCancel - Entry"));    

    72     RequestCancel();

    73     __FLOG(_L8("DoCancel - Exit"));  

    74     }

    75     

    76 #ifdef __FLOG_ACTIVE

    77 TInt CMTPUsbEpWatcher::RunError(TInt aError)

    78 #else

    79 TInt CMTPUsbEpWatcher::RunError(TInt /*aError*/)

    80 #endif

    81     {

    82     __FLOG(_L8("RunError - Entry"));

    83     __FLOG_VA((_L8("Error = %d"), aError));

    84     __FLOG(_L8("RunError - Exit"));

    85     RequestIssue();

    86     return KErrNone;  

    87     }

    88     

    89 void CMTPUsbEpWatcher::RunL()

    90     {

    91     __FLOG(_L8("RunL - Entry"));

    92     iConnection.EndpointStallStatusChangedL(iEndpointStatus);

    93     RequestIssue();

    94     __FLOG(_L8("RunL - Exit"));  

    95     }

    96 

    97 CMTPUsbEpWatcher::CMTPUsbEpWatcher(CMTPUsbConnection& aConnection) :

    98     CActive(EPriorityStandard),

    99     iConnection(aConnection)

   100     {

   101     CActiveScheduler::Add(this);

   102     }

   103     

   104 void CMTPUsbEpWatcher::ConstructL()

   105     {

   106     __FLOG_OPEN(KMTPSubsystem, KComponent);

   107     __FLOG(_L8("ConstructL - Entry"));    

   108     __FLOG(_L8("ConstructL - Exit")); 

   109     }

   110 

   111 void CMTPUsbEpWatcher::RequestCancel()

   112     {

   113     __FLOG(_L8("RequestCancel - Entry"));    

   114     iConnection.Ldd().EndpointStatusNotifyCancel();

   115     __FLOG(_L8("RequestCancel - Exit")); 

   116     }

   117     

   118 void CMTPUsbEpWatcher::RequestIssue()

   119     {

   120     __FLOG(_L8("RequestIssue - Entry"));    

   121     iConnection.Ldd().EndpointStatusNotify(iStatus, iEndpointStatus);

   122     SetActive();

   123     __FLOG(_L8("RequestIssue - Exit")); 

   124     }