wim/WimPlugin/src/WimTokenListener.cpp
changeset 0 164170e6151a
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     1 /*
       
     2 * Copyright (c) 2003 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:  Listens removal event from WimServer
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 // INCLUDE FILES
       
    20 
       
    21 #include "WimTokenListener.h"
       
    22 #include "WimTrace.h"
       
    23 //#include "WimDebug.h"
       
    24 
       
    25 // ============================ MEMBER FUNCTIONS ===============================
       
    26 
       
    27 // -----------------------------------------------------------------------------
       
    28 // CWimTokenListener::CWimTokenListener()
       
    29 // Default constructor
       
    30 // -----------------------------------------------------------------------------
       
    31 //
       
    32 CWimTokenListener::CWimTokenListener( CWimSecModule* aWimSecModule )
       
    33                                     : CActive ( EPriorityNormal ),
       
    34                                       iWimSecModule( aWimSecModule ),
       
    35                                       iClientStatus( NULL )
       
    36     {
       
    37     }
       
    38 
       
    39 // -----------------------------------------------------------------------------
       
    40 // CWimTokenListener::ConstructL()
       
    41 // Second phase constructor
       
    42 // -----------------------------------------------------------------------------
       
    43 //
       
    44 void CWimTokenListener::ConstructL()
       
    45     {
       
    46     _WIMTRACE ( _L( "CWimTokenListener::ConstructL()" ) );
       
    47     CActiveScheduler::Add( this );
       
    48     }
       
    49 
       
    50 // -----------------------------------------------------------------------------
       
    51 // CWimTokenListener::NewL()
       
    52 // Two-phased constructor.
       
    53 // -----------------------------------------------------------------------------
       
    54 //
       
    55 CWimTokenListener* CWimTokenListener::NewL( CWimSecModule* aWimSecModule )
       
    56     {
       
    57     _WIMTRACE ( _L( "CWimTokenListener::NewL()" ) );
       
    58     CWimTokenListener* self = new( ELeave ) CWimTokenListener( aWimSecModule );
       
    59     CleanupStack::PushL( self );
       
    60     self->ConstructL();
       
    61     CleanupStack::Pop( self );
       
    62     return self;
       
    63     }
       
    64 
       
    65 // -----------------------------------------------------------------------------
       
    66 // CWimTokenListener::~CWimTokenListener()
       
    67 // Destructor
       
    68 // -----------------------------------------------------------------------------
       
    69 //
       
    70 CWimTokenListener::~CWimTokenListener()
       
    71     {
       
    72     _WIMTRACE ( _L( "CWimTokenListener::~CWimTokenListener()" ) );
       
    73     ClearClientStatus(); // Complete UI's request if needed
       
    74     if ( iWimSecModule && ( iTokenStatus == KRequestPending ) )
       
    75         {
       
    76         iWimSecModule->CancelNotifyOnRemoval(); // Cancel listening in WimServer   
       
    77         }
       
    78     Cancel();
       
    79     }
       
    80 
       
    81 // -----------------------------------------------------------------------------
       
    82 // CWimTokenListener::StartListening()
       
    83 // Start listening of Scard removal status
       
    84 // -----------------------------------------------------------------------------
       
    85 //
       
    86 void CWimTokenListener::StartListening()
       
    87     {
       
    88     _WIMTRACE ( _L( "CWimTokenListener::StartListening()" ) );
       
    89     iStatus = KRequestPending;
       
    90     iTokenStatus = KRequestPending;
       
    91     iWimSecModule->NotifyOnRemoval( iStatus );
       
    92     SetActive();    
       
    93     }
       
    94 
       
    95 // -----------------------------------------------------------------------------
       
    96 // CWimTokenListener::SetClientStatus()
       
    97 // Store client status
       
    98 // -----------------------------------------------------------------------------
       
    99 //
       
   100 void CWimTokenListener::SetClientStatus( TRequestStatus& aStatus )
       
   101     {
       
   102     _WIMTRACE ( _L( "CWimTokenListener::SetClientStatus()" ) );
       
   103     iClientStatus = &aStatus;
       
   104     }
       
   105 
       
   106 // -----------------------------------------------------------------------------
       
   107 // CWimTokenListener::ClearClientStatus()
       
   108 // If client request is still pending complete request with KErrCancel
       
   109 // -----------------------------------------------------------------------------
       
   110 //
       
   111 void CWimTokenListener::ClearClientStatus()
       
   112     {
       
   113     _WIMTRACE ( _L( "CWimTokenListener::ClearClientStatus()" ) );
       
   114     // If request is still pending, complete it with KErrCancel
       
   115     // RequestComplete sets iClientStatus to NULL
       
   116     if ( iClientStatus )
       
   117         {
       
   118         User::RequestComplete( iClientStatus, KErrCancel );
       
   119         }
       
   120     }
       
   121 
       
   122 // -----------------------------------------------------------------------------
       
   123 // CWimTokenListener::RunL()
       
   124 // Complete asyncronous request
       
   125 // -----------------------------------------------------------------------------
       
   126 //
       
   127 void CWimTokenListener::RunL()
       
   128     {
       
   129     switch ( iStatus.Int() )
       
   130         {
       
   131         case KErrNone:
       
   132             {
       
   133             iTokenStatus = KErrHardwareNotAvailable;
       
   134             break;
       
   135             }
       
   136         case KErrCancel:
       
   137             {
       
   138             iTokenStatus = KErrCancel;
       
   139             break;
       
   140             }
       
   141         default:
       
   142             {
       
   143             iTokenStatus = iStatus.Int();
       
   144             break;
       
   145             }
       
   146         }
       
   147 
       
   148     if ( iClientStatus ) // Complete the request if pending
       
   149         {
       
   150         User::RequestComplete( iClientStatus, iStatus.Int() );
       
   151         }
       
   152     }
       
   153 
       
   154 // -----------------------------------------------------------------------------
       
   155 // CWimTokenListener::DoCancel()
       
   156 // Nothing to do here
       
   157 // -----------------------------------------------------------------------------
       
   158 //
       
   159 void CWimTokenListener::DoCancel()
       
   160     {
       
   161     _WIMTRACE ( _L( "CWimTokenListener::DoCancel()" ) );
       
   162     }
       
   163 
       
   164 // -----------------------------------------------------------------------------
       
   165 // CWimTokenListener::TokenStatus()
       
   166 // Return the staus of token
       
   167 // -----------------------------------------------------------------------------
       
   168 //
       
   169 TInt CWimTokenListener::TokenStatus()
       
   170     {
       
   171     _WIMTRACE ( _L( "CWimTokenListener::TokenStatus()" ) );
       
   172     return iTokenStatus;
       
   173     }