1 /*

     2  * Copyright (c) 2005-2010 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  * CSysApCenRepOfflineModeObserver is a an observer for the Offline Mode central Repository key.

    16  * This class handles the changes to the offline mode changes done from Power Menu or Control Panel 

    17  *

    18  */

    19 

    20 #include "sysapcenrepofflinemodeobserver.h"

    21 #include "CoreApplicationUIsSDKCRKeys.h"

    22 #include "SysAp.hrh"

    23 

    24 #ifdef _DEBUG

    25 #include <e32debug.h>

    26 #endif

    27 

    28 // ----------------------------------------------------------------------------

    29 // CSysApCenRepOfflineModeObserver::NewL( MSysApOfflineModeController& )

    30 // Creates an instance of CSysApCenRepOfflineModeObserver and returns

    31 // ----------------------------------------------------------------------------

    32 

    33 CSysApCenRepOfflineModeObserver* CSysApCenRepOfflineModeObserver::NewL( 

    34                     MSysApOfflineModeController& aSysApOfflineModeController )

    35     {

    36     TRACES( RDebug::Printf("CSysApCenRepOfflineModeObserver::NewL") );

    37     CSysApCenRepOfflineModeObserver* self = 

    38     new (ELeave) CSysApCenRepOfflineModeObserver(aSysApOfflineModeController);

    39     CleanupStack::PushL( self );

    40     self->ConstructL();

    41     CleanupStack::Pop(); //self

    42     return self;

    43     }

    44 

    45 

    46 // ----------------------------------------------------------------------------

    47 // CSysApCenRepOfflineModeObserver::CSysApCenRepOfflineModeObserver( MSysApOfflineModeController& )

    48 // ----------------------------------------------------------------------------

    49 

    50 CSysApCenRepOfflineModeObserver::CSysApCenRepOfflineModeObserver( 

    51                 MSysApOfflineModeController& aSysApOfflineModeController  )

    52             : iSysApOfflineModeController( aSysApOfflineModeController )

    53     {

    54     TRACES( RDebug::Printf("CSysApCenRepOfflineModeObserver::CSysApCenRepOfflineModeObserver" ) );

    55     }

    56 

    57 // ----------------------------------------------------------------------------

    58 // CSysApCenRepOfflineModeObserver::~CSysApCenRepOfflineModeObserver()

    59 // ----------------------------------------------------------------------------

    60 

    61 CSysApCenRepOfflineModeObserver::~CSysApCenRepOfflineModeObserver()

    62     {

    63     TRACES( RDebug::Printf("~CSysApCenRepOfflineModeObserver" ) );

    64     if( iOfflineModeHandler )

    65     {

    66     iOfflineModeHandler->StopListening();

    67     }

    68     delete iOfflineModeHandler;

    69     delete iOfflineCenRep;

    70     }

    71 

    72 // ----------------------------------------------------------------------------

    73 // CSysApCenRepOfflineModeObserver::ConstructL()

    74 // ----------------------------------------------------------------------------

    75 

    76 void CSysApCenRepOfflineModeObserver::ConstructL()

    77     {

    78     TRACES(RDebug::Printf("CSysApCenRepOfflineModeObserver::ConstructL: trying CRepository::NewL(KCRUidCoreApplicationUIs)"));

    79     

    80     iOfflineCenRep = CRepository::NewL( KCRUidCoreApplicationUIs );

    81     

    82     iOfflineModeHandler =

    83     CCenRepNotifyHandler::NewL( *this,

    84     *iOfflineCenRep,

    85     CCenRepNotifyHandler::EIntKey,

    86     KCoreAppUIsNetworkConnectionAllowed );

    87     iOfflineModeHandler->StartListeningL();    

    88     }

    89 

    90 // ----------------------------------------------------------------------------

    91 // CSysApCenRepOfflineModeObserver::HandleNotifyInt()

    92 // Handles the changes to offline mode state

    93 // ----------------------------------------------------------------------------

    94 

    95 void CSysApCenRepOfflineModeObserver::HandleNotifyInt( TUint32 aId, TInt aNewValue  )

    96     {

    97     TRACES(RDebug::Printf("CSysApCenRepOfflineModeObserver::HandleNotifyInt(), aId=0x%x, aNewValue=%d", aId, aNewValue));    

    98     if ( aId == KCoreAppUIsNetworkConnectionAllowed )

    99     {

   100         if( aNewValue == ECoreAppUIsNetworkConnectionNotAllowed )

   101         {

   102         // Offline mode enabled. Go Offline

   103         TRACES( RDebug::Printf("CSysApCenRepOfflineModeObserver::HandleNotifyInt() Offline mode Enabled"));

   104         // Ignore any leave because it will have already been handled by showing an 

   105         // error notification to the user

   106         TRAP_IGNORE(iSysApOfflineModeController.SwitchFromOnlineToOfflineModeL());

   107         }

   108     else if( aNewValue == ECoreAppUIsNetworkConnectionAllowed )

   109     {

   110         // Offline mode disabled. Go Online

   111         TRACES( RDebug::Printf("CSysApCenRepOfflineModeObserver::HandleNotifyInt() Offline mode Disabled"));

   112         // Ignore any leave because it will have already been handled by showing an 

   113         // error notification to the user

   114         TRAP_IGNORE(iSysApOfflineModeController.GoOnlineIfOkL());

   115     }

   116     else

   117     {		

   118         // Any other value is invalid	

   119         TRACES(RDebug::Printf("CSysApCenRepOfflineModeObserver::HandleNotifyInt() Invalid Value %d", aNewValue));

   120     }

   121     }

   122     }

   123 

   124 // ----------------------------------------------------------------------------

   125 // CSysApCenRepOfflineModeObserver::HandleNotifyError()

   126 // ----------------------------------------------------------------------------

   127 

   128 void CSysApCenRepOfflineModeObserver::HandleNotifyError( TUint32, TInt, CCenRepNotifyHandler* )

   129     {

   130     TRACES(RDebug::Printf("CSysApCenRepOfflineModeObserver::HandleNotifyError()"));

   131     // Nothing to do if start listening leaves

   132     TRAP_IGNORE(iOfflineModeHandler->StartListeningL());    

   133     }

   134 

   135 

   136 

   137 // ----------------------------------------------------------------------------

   138 // CSysApCenRepOfflineModeObserver::IsOffline()

   139 // Fetches the Cen Rep for Offline mode and 

   140 // Return true if Offline mode is enabled, false otherwise

   141 // ----------------------------------------------------------------------------

   142 TBool CSysApCenRepOfflineModeObserver::IsOffline() const

   143     {

   144     TRACES(RDebug::Printf("CSysApCenRepOfflineModeObserver::IsOffline"));

   145     TBool nwConnAllowed = ETrue;

   146     iOfflineCenRep->Get(KCoreAppUIsNetworkConnectionAllowed, nwConnAllowed);

   147     TRACES(RDebug::Printf("CSysApCenRepOfflineModeObserver::IsOffline returns %d",!nwConnAllowed));

   148     return !nwConnAllowed;

   149     }