--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bearermanagement/mpm/src/mpmofflinewatcher.cpp	Wed Apr 14 16:22:04 2010 +0300
@@ -0,0 +1,193 @@
+/*
+ * 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: Listens central repository for offline mode changes.
+ *
+ */
+
+#include <e32base.h>
+#include <centralrepository.h>
+#include <CoreApplicationUIsSDKCRKeys.h>
+#include <featmgr.h>
+
+#include "mpmlogger.h"
+#include "mpmserver.h"
+#include "mpmofflinewatcher.h"
+
+// ---------------------------------------------------------------------------
+// Default C++ constructor.
+// ---------------------------------------------------------------------------
+//
+CMpmOfflineWatcher::CMpmOfflineWatcher( CMPMServer* aServer ) :
+    CActive( EPriorityStandard ), iServer( aServer )
+    {
+    MPMLOGSTRING( "CMpmOfflineWatcher::CMpmOfflineWatcher" )
+
+    CActiveScheduler::Add( this );
+    }
+
+// ---------------------------------------------------------------------------
+// Symbian 2nd phase constructor. Creates a central repository object.
+// ---------------------------------------------------------------------------
+//
+void CMpmOfflineWatcher::ConstructL()
+    {
+    MPMLOGSTRING( "CMpmOfflineWatcher::ConstructL" )
+
+    FeatureManager::InitializeLibL();
+    // If feature isn't supported, then no watching, but return in StartL().
+    iOfflineFeatureSupported = FeatureManager::FeatureSupported( 
+                               KFeatureIdOfflineMode );
+    FeatureManager::UnInitializeLib();
+
+        
+    iRepository = CRepository::NewL( KCRUidCoreApplicationUIs );
+    }
+
+// ---------------------------------------------------------------------------
+// Creates a new object by calling the two-phased constructor.
+// ---------------------------------------------------------------------------
+//
+CMpmOfflineWatcher* CMpmOfflineWatcher::NewL( CMPMServer* aServer )
+    {
+    MPMLOGSTRING( "CMpmOfflineWatcher::NewL" )
+
+    CMpmOfflineWatcher* self = new( ELeave ) CMpmOfflineWatcher( aServer );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// Destructor.
+// ---------------------------------------------------------------------------
+//
+CMpmOfflineWatcher::~CMpmOfflineWatcher()
+    {
+    MPMLOGSTRING( "CMpmOfflineWatcher::~CMpmOfflineWatcher" )
+
+    Cancel();
+    delete iRepository;
+    }
+
+// ---------------------------------------------------------------------------
+// Order notification from changes.
+// ---------------------------------------------------------------------------
+//
+void CMpmOfflineWatcher::StartL()
+    {
+    MPMLOGSTRING( "CMpmOfflineWatcher::StartL" )
+            
+    if ( !iOfflineFeatureSupported )
+        {
+        return;
+        }
+
+    // Get the initial data usage value from repository.
+    User::LeaveIfError( GetCurrentOfflineValue() );
+    iServer->UpdateOfflineMode( iOfflineMode );
+    
+    // Request notifications.
+    User::LeaveIfError( RequestNotifications() );
+    }
+
+// ---------------------------------------------------------------------------
+// From class CActive.
+// Event is received when there is a change in central repository key.
+// ---------------------------------------------------------------------------
+//
+void CMpmOfflineWatcher::RunL()
+    {
+    MPMLOGSTRING( "CMpmOfflineWatcher::RunL" )
+
+    if ( iStatus.Int() < KErrNone )
+        {
+        MPMLOGSTRING2("Status: 0x%08X", iStatus.Int())
+        iErrorCounter++;
+        if ( iErrorCounter > KMpmOfflineWatcherCenRepErrorThreshold )
+            {
+            MPMLOGSTRING2("Over %d consecutive errors, stopping notifications permanently.",
+                    KMpmOfflineWatcherCenRepErrorThreshold)
+            return;
+            }
+        // Else: Error occured but counter not expired. Proceed.
+        }
+    else
+        {
+        // Notification is received ok => Reset the counter.
+        iErrorCounter = 0;
+
+        // Check if mode has changed (it should).
+        TInt oldMode = iOfflineMode;
+        
+        TInt err = GetCurrentOfflineValue();
+        if ( err == KErrNone && oldMode != iOfflineMode )
+            {
+            iServer->UpdateOfflineMode( iOfflineMode );
+            }
+        }
+    
+    RequestNotifications();
+    }
+
+// ---------------------------------------------------------------------------
+// From class CActive.
+// Cancel the outstanding request.
+// ---------------------------------------------------------------------------
+//
+void CMpmOfflineWatcher::DoCancel()
+    {
+    MPMLOGSTRING( "CMpmOfflineWatcher::DoCancel" )
+
+    iRepository->NotifyCancel( KCoreAppUIsNetworkConnectionAllowed );
+    }
+
+// ---------------------------------------------------------------------------
+// Request for notifications.
+// ---------------------------------------------------------------------------
+//
+TInt CMpmOfflineWatcher::RequestNotifications()
+    {
+    MPMLOGSTRING( "CMpmOfflineWatcher::RequestNotifications" )
+
+    TInt err = iRepository->NotifyRequest( KCoreAppUIsNetworkConnectionAllowed, iStatus );
+        
+    if ( err == KErrNone )
+        {
+        SetActive();
+        }
+    else
+        {
+        // MPM's offline mode watching wouldn't recover... 
+        MPMLOGSTRING2( "CMpmOfflineWatcher::RequestNotifications, ERROR: %d", err )
+        }
+    return err;
+    }
+
+// ---------------------------------------------------------------------------
+// Get the current repository key value.
+// ---------------------------------------------------------------------------
+//
+TInt CMpmOfflineWatcher::GetCurrentOfflineValue()
+    {
+    MPMLOGSTRING( "CMpmOfflineWatcher::GetCurrentOfflineValue" )
+
+    TInt err = iRepository->Get( KCoreAppUIsNetworkConnectionAllowed, iOfflineMode );
+        
+    if ( err != KErrNone )
+        {
+        MPMLOGSTRING2( "CMpmOfflineWatcher::GetCurrentOfflineValue, ERROR: %d", err )
+        }
+    return err;
+    }