1 /*

     2 * Copyright (c) 2007 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: 

    15 *      Implementation of utilities functions.   

    16 *      

    17 *

    18 */

    19 

    20 

    21 //User includes

    22 #include "wlanplugindbobserver.h"

    23 #include "wlanpluginwlanstate.h"

    24 #include "wlanpluginlogger.h"

    25 

    26 // ---------------------------------------------------------

    27 // CWlanPluginDbObserver::CWlanPluginDbObserver

    28 // Constructor

    29 // ---------------------------------------------------------

    30 CWlanPluginDbObserver::CWlanPluginDbObserver( CWlanPluginWlanState* aState ) 

    31 : CActive( EPriorityNormal ),

    32   iWlanState( aState )

    33     {

    34     }

    35     

    36 // ---------------------------------------------------------

    37 // CWlanPluginDbObserver::NewL

    38 // ---------------------------------------------------------    

    39 CWlanPluginDbObserver* CWlanPluginDbObserver::NewL( 

    40                                               CWlanPluginWlanState* aState )

    41     {

    42     CWlanPluginDbObserver* self = new ( ELeave ) 

    43                                              CWlanPluginDbObserver( aState );

    44     CleanupStack::PushL( self );

    45     self->ConstructL();

    46     CleanupStack::Pop();

    47     return self;

    48     }

    49        

    50 // ---------------------------------------------------------

    51 // CWlanPluginDbObserver::ConstructL

    52 // ---------------------------------------------------------   

    53 void CWlanPluginDbObserver::ConstructL()

    54     {

    55     CLOG_ENTERFN( "CWlanPluginDbObserver::ConstructL()" );

    56      

    57     CActiveScheduler::Add(this);

    58     

    59     CLOG_LEAVEFN( "CWlanPluginDbObserver::ConstructL()" );

    60     }

    61     

    62 // ---------------------------------------------------------

    63 // CWlanPluginDbObserver::~CWlanPluginDbObserver

    64 // Destructor

    65 // ---------------------------------------------------------       

    66 CWlanPluginDbObserver::~CWlanPluginDbObserver()

    67     {

    68     CLOG_ENTERFN( "CWlanPluginDbObserver::~CWlanPluginDbObserver()" );

    69     

    70     Cancel();

    71     

    72     delete iRecord;

    73     

    74     delete iSession;

    75             

    76     CLOG_LEAVEFN( "CWlanPluginDbObserver::~CWlanPluginDbObserver()" );

    77     }

    78 

    79 // ---------------------------------------------------------

    80 // CWlanPluginDbObserver::RunL

    81 // ---------------------------------------------------------       

    82 void CWlanPluginDbObserver::RunL()

    83     {

    84     CLOG_ENTERFN( "CWlanPluginDbObserver::RunL()" );

    85             

    86     iRecord->RefreshL( *iSession );

    87             

    88     //if scanning state changed start or stop the server

    89     if ( iRecord->iBgScanInterval == 0 && iOuterScanState )

    90         {

    91         CLOG_WRITE( "Scan disabled" );

    92         iWlanState->SetScanningL( EFalse );

    93         iOuterScanState = EFalse;

    94         }

    95     else if(iRecord->iBgScanInterval != 0 && !iOuterScanState )

    96         {

    97         CLOG_WRITE( "Scan enabled" );

    98         iWlanState->SetScanningL( ETrue );

    99         iOuterScanState = ETrue;

   100         }

   101     

   102     SetActive();

   103     

   104     iRecord->RequestNotification(*iSession,iStatus);

   105     

   106     CLOG_LEAVEFN( "CWlanPluginDbObserver::RunL()" );

   107     }

   108 

   109 // ---------------------------------------------------------

   110 // CWlanPluginDbObserver::DoCancel

   111 // ---------------------------------------------------------       

   112 void CWlanPluginDbObserver::DoCancel()

   113     {

   114     CLOG_ENTERFN( "CWlanPluginDbObserver::DoCancel()" );

   115     

   116     iRecord->CancelNotification( *iSession, iStatus );       

   117     

   118     CLOG_LEAVEFN( "CWlanPluginDbObserver::DoCancel()" );

   119     }

   120 

   121 // ---------------------------------------------------------

   122 // CWlanPluginDbObserver::ActivateIt

   123 // ---------------------------------------------------------       

   124 void CWlanPluginDbObserver::ActivateItL()

   125     {

   126     CLOG_ENTERFN( "CWlanPluginDbObserver::ActivateItL()" );

   127     

   128     iSession = CMDBSession::NewL( KCDLatestVersion );

   129     

   130     TMDBElementId tableId = 0;

   131     

   132     tableId = CCDWlanDeviceSettingsRecord::TableIdL( *iSession );

   133         

   134     iRecord = new( ELeave )

   135             CCDWlanDeviceSettingsRecord( tableId );         

   136     

   137     iRecord->iWlanDeviceSettingsType = KWlanUserSettings;

   138     

   139     

   140     if(iRecord->FindL( *iSession ))

   141         {

   142         iRecord->LoadL( *iSession );

   143         }

   144     

   145     

   146     iRecord->RequestNotification(*iSession,iStatus);

   147     

   148     SetActive();

   149     

   150     if ( iRecord->iBgScanInterval != 0 )

   151         {

   152         iWlanState->SetScanningL( ETrue );

   153         iOuterScanState = ETrue;

   154         }

   155     

   156     CLOG_LEAVEFN( "CWlanPluginDbObserver::ActivateItL()" );

   157     }