wim/WimServer/src/WimBTSapObserver.cpp
changeset 0 164170e6151a
child 16 9971b621ef6c
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     1 /*
       
     2 * Copyright (c) 2005 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:  Observes the state of Bluetooth Sap. When the state is
       
    15 *               changed into connected, connection to smart card is closed and
       
    16 *               when the state is changed into not connected, initialize
       
    17 *               connection to smart card back.
       
    18 *
       
    19 */
       
    20 
       
    21 
       
    22 
       
    23 // INCLUDE FILES
       
    24 #include    "WimBTSapObserver.h"
       
    25 #include    "WimServer.h"
       
    26 #include    "WimSession.h"
       
    27 #include    "WimTrace.h"
       
    28 
       
    29 #if defined BT_SAP_TEST_BY_CHARGER
       
    30 #include    <PSVariables.h>
       
    31 #else
       
    32 //#include    <BTSapInternalPSKeys.h>         // Property values
       
    33 #include    <BTSapDomainPSKeys.h>
       
    34 #endif // BT_SAP_TEST_BY_CHARGER
       
    35 
       
    36 
       
    37 // ============================ MEMBER FUNCTIONS ===============================
       
    38 
       
    39 // -----------------------------------------------------------------------------
       
    40 // CWimBTSapObserver::CWimBTSapObserver
       
    41 // C++ default constructor can NOT contain any code, that
       
    42 // might leave.
       
    43 // -----------------------------------------------------------------------------
       
    44 //
       
    45 CWimBTSapObserver::CWimBTSapObserver()
       
    46     : CActive( EPriorityNormal )
       
    47     {
       
    48     _WIMTRACE(_L("WIM|CWimBTSapObserver::CWimBTSapObserver|Begin"));
       
    49     CActiveScheduler::Add( this );
       
    50     }
       
    51 
       
    52 // -----------------------------------------------------------------------------
       
    53 // CWimBTSapObserver::ConstructL
       
    54 // Symbian 2nd phase constructor can leave.
       
    55 // -----------------------------------------------------------------------------
       
    56 //
       
    57 void CWimBTSapObserver::ConstructL()
       
    58     {
       
    59     _WIMTRACE(_L("WIM|CWimBTSapObserver::ConstructL|Begin"));
       
    60     iWimSvr = CWimServer::Server();
       
    61     }
       
    62 
       
    63 // -----------------------------------------------------------------------------
       
    64 // CWimBTSapObserver::NewL
       
    65 // Two-phased constructor.
       
    66 // -----------------------------------------------------------------------------
       
    67 //
       
    68 CWimBTSapObserver* CWimBTSapObserver::NewL()
       
    69     {
       
    70     _WIMTRACE(_L("WIM|CWimBTSapObserver::NewL|Begin"));
       
    71     CWimBTSapObserver* self = new( ELeave ) CWimBTSapObserver ();
       
    72     
       
    73     CleanupStack::PushL( self );
       
    74     self->ConstructL();
       
    75     CleanupStack::Pop( self );
       
    76 
       
    77     return self;
       
    78     }
       
    79 
       
    80     
       
    81 // Destructor
       
    82 CWimBTSapObserver::~CWimBTSapObserver()
       
    83     {
       
    84     _WIMTRACE(_L("WIM|CWimBTSapObserver::~CWimBTSapObserver|Begin"));
       
    85     Cancel();
       
    86     iProperty.Close();
       
    87     }
       
    88 
       
    89 // -----------------------------------------------------------------------------
       
    90 // CWimBTSapObserver::Start
       
    91 // Start listening publish and subscribe events
       
    92 // -----------------------------------------------------------------------------
       
    93 //
       
    94 void CWimBTSapObserver::Start()
       
    95     {
       
    96     _WIMTRACE(_L("WIM|CWimBTSapObserver::Start|Begin"));
       
    97     if ( !IsActive() ) // If already active, don't activate
       
    98         {
       
    99         StartListening(); //Start listening
       
   100         }    
       
   101     }
       
   102 
       
   103 // -----------------------------------------------------------------------------
       
   104 // CWimBTSapObserver::StartListening
       
   105 // Start listening card status from publish and subscribe
       
   106 // -----------------------------------------------------------------------------
       
   107 //
       
   108 void CWimBTSapObserver::StartListening()
       
   109     {
       
   110     _WIMTRACE(_L("WIM|CWimBTSapObserver::StartListening|Begin"));
       
   111     iStatus = KRequestPending;
       
   112 #if defined BT_SAP_TEST_BY_CHARGER
       
   113     TInt err = iProperty.Attach( KUidSystemCategory, 
       
   114                                  KPSUidChargerStatusValue );
       
   115  
       
   116 #else
       
   117     TInt err = iProperty.Attach( KPSUidBluetoothSapConnectionState,
       
   118                                  KBTSapConnectionState );
       
   119 #endif // BT_SAP_TEST_BY_CHARGER
       
   120     if ( err == KErrNone )
       
   121         {
       
   122         iProperty.Subscribe( iStatus );
       
   123         SetActive();
       
   124         }
       
   125     }
       
   126 
       
   127 // -----------------------------------------------------------------------------
       
   128 // CWimBTSapObserver::RunL
       
   129 // Got event from publish and subscribe
       
   130 // -----------------------------------------------------------------------------
       
   131 //
       
   132 void CWimBTSapObserver::RunL()
       
   133     {
       
   134     _WIMTRACE(_L("WIM|CWimBTSapObserver::RunL|Begin"));
       
   135     //Notify on bluetooth event
       
   136     TInt btState;
       
   137     iProperty.Get( btState );
       
   138     switch ( btState )
       
   139         {
       
   140 #if defined BT_SAP_TEST_BY_CHARGER
       
   141         case EPSChargerStatusUninitialized: // Flow through
       
   142         case EPSChargerDisconnected:        // Flow through
       
   143         case EPSChargerNotCharging: // Charger not charging, no actions
       
   144 #else
       
   145         case EBTSapNotConnected:    // Flow through
       
   146         case EBTSapConnecting:      // BT Sap not connected, no actions
       
   147 #endif // BT_SAP_TEST_BY_CHARGER
       
   148             {
       
   149             StartListening();
       
   150             break;
       
   151             }
       
   152 #if defined BT_SAP_TEST_BY_CHARGER
       
   153         case EPSChargerConnected:
       
   154 #else
       
   155         case EBTSapConnected:
       
   156 #endif // BT_SAP_TEST_BY_CHARGER
       
   157             {
       
   158             if ( CWimServer::iWimInitialized )
       
   159                 {
       
   160                 // Wim initialized, can close WIMI immediately.
       
   161                 // NOTE: Is it ok to run lengthy operations here?
       
   162                 RArray<CWimSession*> sessions;
       
   163                 TRAPD( err, iWimSvr->GetSessionsL( sessions ) );
       
   164 
       
   165                 if ( !err )  // Got sessions correctly
       
   166                     {
       
   167                     // Loop through all sessions and notify all clients that are
       
   168                     // requesting the notification
       
   169                     for ( TInt i( 0 ); i < sessions.Count(); i++ )
       
   170                         {
       
   171                         sessions[i]->NotifyComplete();
       
   172                         }
       
   173                     sessions.Reset();
       
   174                     // Close WIMI
       
   175                     WIMI_CloseDownReq();
       
   176                     _WIMTRACE(_L("WIM | CWimSatRefreshObserver::Refresh | WIMI closed."));
       
   177                     }
       
   178                 }
       
   179             else
       
   180                 {
       
   181                 _WIMTRACE(_L("WIM | CWimSatRefreshObserver::Refresh | WIMI already closed."));
       
   182                 }
       
   183             }
       
   184         }
       
   185     _WIMTRACE(_L("WIM|CWimBTSapObserver::RunL|End"));
       
   186     }
       
   187 
       
   188 // -----------------------------------------------------------------------------
       
   189 // CWimBTSapObserver::DoCancel
       
   190 // Cancel asynchronous request
       
   191 // -----------------------------------------------------------------------------
       
   192 //
       
   193 void CWimBTSapObserver::DoCancel()
       
   194     {
       
   195     _WIMTRACE(_L("WIM|CWimBTSapObserver::DoCancel|Begin"));
       
   196     iProperty.Cancel();
       
   197      _WIMTRACE(_L("WIM|CWimBTSapObserver::DoCancel|End"));
       
   198     }
       
   199 
       
   200 //  End of File