diff -r 77415202bfc8 -r 2e6c4614c58e bearermanagement/mpm/src/mpmdatausagewatcher.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bearermanagement/mpm/src/mpmdatausagewatcher.cpp	Fri Feb 19 23:12:51 2010 +0200
@@ -0,0 +1,149 @@
+/*
+ * Copyright (c) 2008-2009 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: Listen cellular data usage key changes in central repository.
+ *
+ */
+
+#include <e32base.h>
+#include <centralrepository.h>
+#include <cmmanagerkeys.h>
+#include <cmgenconnsettings.h>
+
+#include "mpmlogger.h"
+#include "mpmserver.h"
+#include "mpmdatausagewatcher.h"
+
+// ---------------------------------------------------------------------------
+// Default C++ constructor.
+// ---------------------------------------------------------------------------
+//
+CMpmDataUsageWatcher::CMpmDataUsageWatcher( CMPMServer* aServer ) :
+    CActive( EPriorityStandard ), iServer( aServer )
+    {
+    MPMLOGSTRING( "CMpmDataUsageWatcher::CMpmDataUsageWatcher" )
+
+    CActiveScheduler::Add( this );
+    }
+
+// ---------------------------------------------------------------------------
+// Symbian 2nd phase constructor. Creates a central repository object.
+// ---------------------------------------------------------------------------
+//
+void CMpmDataUsageWatcher::ConstructL()
+    {
+    MPMLOGSTRING( "CMpmDataUsageWatcher::ConstructL" )
+
+    iRepository = CRepository::NewL( KCRUidCmManager );
+    }
+
+// ---------------------------------------------------------------------------
+// Creates a new object by calling the two-phased constructor.
+// ---------------------------------------------------------------------------
+//
+CMpmDataUsageWatcher* CMpmDataUsageWatcher::NewL( CMPMServer* aServer )
+    {
+    MPMLOGSTRING( "CMpmDataUsageWatcher::NewL" )
+
+    CMpmDataUsageWatcher* self = new( ELeave ) CMpmDataUsageWatcher( aServer );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// Destructor.
+// ---------------------------------------------------------------------------
+//
+CMpmDataUsageWatcher::~CMpmDataUsageWatcher()
+    {
+    MPMLOGSTRING( "CMpmDataUsageWatcher::~CMpmDataUsageWatcher" )
+
+    Cancel();
+    delete iRepository;
+    }
+
+// ---------------------------------------------------------------------------
+// Order notification from changes.
+// ---------------------------------------------------------------------------
+//
+void CMpmDataUsageWatcher::StartL()
+    {
+    MPMLOGSTRING( "CMpmDataUsageWatcher::StartL" )
+
+    // Request notification
+    User::LeaveIfError( iRepository->NotifyRequest( KCurrentCellularDataUsage,
+            iStatus ) );
+    SetActive();
+
+    // Get value from central repository
+    User::LeaveIfError( iRepository->Get( KCurrentCellularDataUsage,
+            iCellularDataUsage ) );
+    }
+
+// ---------------------------------------------------------------------------
+// From class CActive.
+// Event is received when there is a change in central repository key.
+// ---------------------------------------------------------------------------
+//
+void CMpmDataUsageWatcher::RunL()
+    {
+    MPMLOGSTRING( "CMpmDataUsageWatcher::RunL" )
+
+    User::LeaveIfError( iStatus.Int() );
+
+    // Request new notification
+    User::LeaveIfError( iRepository->NotifyRequest( KCurrentCellularDataUsage,
+            iStatus ) );
+    SetActive();
+
+    TInt oldCellularDataUsage = iCellularDataUsage;
+
+    // Get the new value from central repository
+    User::LeaveIfError( iRepository->Get( KCurrentCellularDataUsage,
+            iCellularDataUsage ) );
+
+    // Stop cellular connections if the setting changes into Disabled
+    if (oldCellularDataUsage != ECmCellularDataUsageDisabled &&
+            iCellularDataUsage == ECmCellularDataUsageDisabled)
+        {
+        // TODO: Uncomment this when trying to get stopping working.
+        // iServer->StopCellularConns();
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// From class CActive.
+// Nothing to do over here.
+// ---------------------------------------------------------------------------
+//
+TInt CMpmDataUsageWatcher::RunError( TInt /*aError*/ )
+    {
+    MPMLOGSTRING( "CMpmDataUsageWatcher::RunError" )
+
+    return KErrNone;
+    }
+
+// ---------------------------------------------------------------------------
+// From class CActive.
+// Cancel outstanding request.
+// ---------------------------------------------------------------------------
+//
+void CMpmDataUsageWatcher::DoCancel()
+    {
+    MPMLOGSTRING( "CMpmDataUsageWatcher::DoCancel" )
+
+    iRepository->NotifyCancel( KCurrentCellularDataUsage );
+    }
+