bearermanagement/mpm/src/mpmcsidwatcher.cpp
changeset 0 5a93021fdf25
child 17 c14618f9de99
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     1 /*
       
     2 * Copyright (c) 2008-2009 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: Listen connect screen id key changes in central repository.
       
    15 *
       
    16 */
       
    17 
       
    18 #include <e32base.h>
       
    19 #include <centralrepository.h>
       
    20 #include <mpmconnectscreenid.h>
       
    21 #include <featmgr.h>                     // FeatureManager
       
    22 #include "mpmcsidwatcher.h"
       
    23 #include "mpmlogger.h"
       
    24 
       
    25 // ---------------------------------------------------------------------------
       
    26 // Default constructor
       
    27 // ---------------------------------------------------------------------------
       
    28 //
       
    29 CMpmCsIdWatcher::CMpmCsIdWatcher()
       
    30     : CActive( EPriorityStandard )
       
    31     {
       
    32     CActiveScheduler::Add( this );    
       
    33     }
       
    34 
       
    35 
       
    36 // ---------------------------------------------------------------------------
       
    37 // Creates central repositor object
       
    38 // ---------------------------------------------------------------------------
       
    39 //
       
    40 void CMpmCsIdWatcher::ConstructL()
       
    41     {
       
    42     iRepository = CRepository::NewL( KMpmOccCenRepUid );
       
    43 
       
    44     // Check whether user connection is supported
       
    45     FeatureManager::InitializeLibL();
       
    46     iUserConnectionSupported = FeatureManager::FeatureSupported( 
       
    47                                    KFeatureIdFfConnectionOverride );
       
    48  
       
    49      FeatureManager::UnInitializeLib();
       
    50     }
       
    51 
       
    52 
       
    53 // ---------------------------------------------------------------------------
       
    54 // Creates new object
       
    55 // ---------------------------------------------------------------------------
       
    56 //
       
    57 CMpmCsIdWatcher* CMpmCsIdWatcher::NewL()
       
    58     {
       
    59     CMpmCsIdWatcher* self = new( ELeave ) CMpmCsIdWatcher();
       
    60     CleanupStack::PushL( self );
       
    61     self->ConstructL();
       
    62     CleanupStack::Pop( self );
       
    63     return self;
       
    64     }
       
    65 
       
    66 // ---------------------------------------------------------------------------
       
    67 // Destructor
       
    68 // ---------------------------------------------------------------------------
       
    69 //
       
    70 CMpmCsIdWatcher::~CMpmCsIdWatcher()
       
    71     {    
       
    72     Cancel();
       
    73     delete iRepository;
       
    74     }
       
    75 
       
    76 // ---------------------------------------------------------------------------
       
    77 // Order notification from changes
       
    78 // ---------------------------------------------------------------------------
       
    79 //
       
    80 void CMpmCsIdWatcher::StartL()
       
    81     {
       
    82     // Request notification
       
    83     User::LeaveIfError( iRepository->NotifyRequest( KMpmConnectScreenId,
       
    84                         iStatus ));
       
    85     SetActive();
       
    86 
       
    87     // Get value from central repository
       
    88     User::LeaveIfError(iRepository->Get(KMpmConnectScreenId, iConnectScreenId));
       
    89     }
       
    90 
       
    91 // ---------------------------------------------------------------------------
       
    92 // Return connect screen id
       
    93 // ---------------------------------------------------------------------------
       
    94 //
       
    95 TUint32 CMpmCsIdWatcher::ConnectScreenId() const
       
    96     {
       
    97     if ( iUserConnectionSupported )
       
    98         {
       
    99         // Return real value if user connection is supported
       
   100         return iConnectScreenId;
       
   101         }
       
   102     else
       
   103         {
       
   104         // Return 0xFFFFFFFF if user connection is not supported
       
   105         return 0xFFFFFFFF;
       
   106         }
       
   107     }
       
   108 
       
   109 // ---------------------------------------------------------------------------
       
   110 // From class CActive.
       
   111 // When there is a change in central repository key, event is received in here
       
   112 // ---------------------------------------------------------------------------
       
   113 //
       
   114 void CMpmCsIdWatcher::RunL()
       
   115     {
       
   116     // Leave if error
       
   117     User::LeaveIfError( iStatus.Int() );
       
   118 
       
   119     // Request new notification
       
   120     User::LeaveIfError( iRepository->NotifyRequest( KMpmConnectScreenId,
       
   121         iStatus ));
       
   122     SetActive();
       
   123     
       
   124     // Get value from central repository
       
   125     iRepository->Get( KMpmConnectScreenId, iConnectScreenId );
       
   126     }
       
   127 
       
   128 // ---------------------------------------------------------------------------
       
   129 // From class CActive.
       
   130 // Nothing to do over here
       
   131 // ---------------------------------------------------------------------------
       
   132 //
       
   133 TInt CMpmCsIdWatcher::RunError( TInt /*aError*/ )
       
   134     {
       
   135     return KErrNone;
       
   136     }
       
   137 
       
   138 // ---------------------------------------------------------------------------
       
   139 // From class CActive.
       
   140 // Cancel outstanding request
       
   141 // ---------------------------------------------------------------------------
       
   142 //
       
   143 void CMpmCsIdWatcher::DoCancel()
       
   144     {
       
   145     iRepository->NotifyCancel( KMpmConnectScreenId );
       
   146     }
       
   147