diff -r c743ef5928ba -r f966699dea19 idlehomescreen/xmluicontroller/src/cenrepobserver.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/idlehomescreen/xmluicontroller/src/cenrepobserver.cpp	Fri Feb 19 22:42:37 2010 +0200
@@ -0,0 +1,174 @@
+/*
+* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Listens to changes in a Central Repository key 
+*               KCurrentCellularDataUsage in Repository KCRUidCmManager.
+*/
+
+#include <commsdat.h>
+#include <centralrepository.h>
+#include <cmmanagerkeys.h>
+
+#include "cenrepobserver.h"
+#include "ai3.hrh"
+using namespace AiXmlUiController;
+
+#ifdef HS_NETWORK_MONITOR
+#include <flogger.h>
+_LIT( KLogFolder,"xnnetwork" );
+_LIT( KLogDom, "networksettings.log" );
+
+#define _LOG1( a ) RFileLogger::Write( \
+    KLogFolder, KLogDom, EFileLoggingModeAppend, ( a ) );
+#define _LOG2( a, b ) RFileLogger::WriteFormat( \
+    KLogFolder, KLogDom, EFileLoggingModeAppend, ( a ), ( b ) )
+#else
+#define _LOG1
+#define _LOG2
+#endif
+
+// -----------------------------------------------------------------------------
+// CCenRepObserver::NewL
+// -----------------------------------------------------------------------------
+//
+CCenRepObserver* CCenRepObserver::NewL( MCenRepObserver* aObserver )
+    {
+    CCenRepObserver* self = 
+             CCenRepObserver::NewLC( aObserver );
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CCenRepObserver::NewLC
+// -----------------------------------------------------------------------------
+//
+CCenRepObserver* CCenRepObserver::NewLC( MCenRepObserver* aObserver )
+    {
+    CCenRepObserver* self = 
+             new( ELeave ) CCenRepObserver( aObserver );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CCenRepObserver::~CCenRepObserver
+// -----------------------------------------------------------------------------
+//
+CCenRepObserver::~CCenRepObserver()
+    {
+    // Cancel outstanding request, if exists
+    Cancel();
+    delete iRepository;
+    iObserver = NULL;
+    }
+
+// -----------------------------------------------------------------------------
+// CCenRepObserver::CCenRepObserver
+// -----------------------------------------------------------------------------
+//
+CCenRepObserver::CCenRepObserver( MCenRepObserver* aObserver )
+        :
+        CActive( CActive::EPriorityStandard ),
+        iObserver( aObserver )
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CCenRepObserver::ConstructL
+// -----------------------------------------------------------------------------
+//
+void CCenRepObserver::ConstructL()
+    {    
+    TRAPD( err, iRepository = CRepository::NewL( KCRUidCmManager ) )
+     
+    if ( err == KErrNone )
+        {
+        CActiveScheduler::Add( this );
+        RequestNotifications();
+        }
+    else
+        {
+        _LOG2( _L("FAILED to open KCRUidCmManager repository <%d>"), err ); 
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CCenRepObserver::RequestNotifications
+// -----------------------------------------------------------------------------
+//
+void CCenRepObserver::RequestNotifications()
+    {
+     _LOG1( _L("CCenRepObserver::RequestNotifications") );
+
+    TInt err = iRepository->NotifyRequest( KCurrentCellularDataUsage, iStatus );
+
+    if ( err == KErrNone )
+        {
+        SetActive();
+        }
+    else
+        {
+        _LOG2( _L("ERROR, iRepository->NotifyRequest() %d"), err ); 
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CCenRepObserver::DoCancel
+// -----------------------------------------------------------------------------
+//
+void CCenRepObserver::DoCancel()
+    {
+    iRepository->NotifyCancel( KCurrentCellularDataUsage );
+    }
+
+// -----------------------------------------------------------------------------
+// CCenRepObserver::RunL
+// -----------------------------------------------------------------------------
+//
+void CCenRepObserver::RunL()
+    {
+    _LOG2( _L("CCenRepObserver::RunL() %d"), iStatus.Int() );
+
+    if ( iStatus.Int() < KErrNone )
+        {
+        iErrorCounter++;
+        if ( iErrorCounter > KCenRepErrorRetryCount )
+            {
+            _LOG2( _L("Over %d consecutive errors, stopping notifications permanently"), 
+                   KCenRepErrorRetryCount );    
+            return;
+            }
+        }
+    else
+        {
+        iErrorCounter = 0;
+        
+        TInt value( 0 );
+        TInt err = iRepository->Get( KCurrentCellularDataUsage, value );
+            
+        if ( err == KErrNone )
+            {
+            _LOG2( _L("KCurrentCellularDataUsage: %d"), value );
+             iObserver->CurrentCellularDataUsageChangedL( value );
+            }
+        else
+            {
+            _LOG2( _L("ERROR, iRepository->Get(KCurrentCellularDataUsage) %d"), err );
+            }
+        }
+
+    RequestNotifications();
+    }
+// End-of-file