--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cmmanager/cmmgr/Framework/Inc/cmcommsdatnotifier.h	Wed Sep 01 12:23:51 2010 +0100
@@ -0,0 +1,92 @@
+/*
+* 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 for changes in one CommsDat table through CenRep.
+*
+*/
+
+#ifndef CMCOMMSDATNOTIFIER_H
+#define CMCOMMSDATNOTIFIER_H
+
+_LIT( KIapDisappear, "Iap disappears from CommsDat" );
+_LIT( KDestDisappear, "Destination disappears from CommsDat" );
+
+class CCmManagerImpl;
+class CRepository;
+class MCmCommsDatWatcher;
+
+// A stack to store watchers
+typedef CArrayPtrFlat<MCmCommsDatWatcher> CCmCallBackArray;
+
+// Used to notify parent view what happens during son's view editing.
+const TInt KCmNotifiedNone = 0;
+const TInt KCmNotifiedDestinationDisappear = 1;
+const TInt KCmNotifiedIapIsNotInThisDestination = 2;
+const TInt KCmNotifiedIapDisappear = 3;
+
+class MCmCommsDatWatcher
+    {
+public:
+    // watcher should implement this function to get the notification of CommsDat changes.
+    // see class CCmManagerImpl for watcher registration
+    virtual void CommsDatChangesL() = 0;
+    };
+
+// Used for son's watcher to notify parent watcher that CommsDat has changes
+// if farther watcher wants to know what heppens when son's watcher exiting
+class CCmParentViewNotifier
+    {
+public:
+    virtual void NotifyParentView( TInt aValue ) = 0;
+    };
+
+/*
+ * CommsDat can suddenly change with some reasons, e.g., an application may suddenly add/delete a destination
+ * and Iap. Those changes may affect CmManager. This class will listen to changes in one CommsDat table
+ * through CenRep and inform related watcher that is interesting in CommsDat changes.
+ */
+NONSHARABLE_CLASS( CCmCommsDatNotifier ) : public CActive
+    {
+public:
+
+    static CCmCommsDatNotifier* NewL( TUint32 aTableId );
+
+    static CCmCommsDatNotifier* NewLC( TUint32 aTableId );
+
+    virtual ~CCmCommsDatNotifier();
+    
+    void WatcherRegisterL( MCmCommsDatWatcher* aWatcher );
+    void WatcherUnRegister( );
+
+private:
+    CCmCommsDatNotifier( TUint32 aTableId );
+
+    void ConstructL();
+    TInt RequestNotifications();
+    
+    void DeleteCallBackArray();
+
+private: // Methods from base class
+    void DoCancel();
+    void RunL();
+
+private:
+    TUint32 iTableId;
+    CRepository* iRepository;
+    MCmCommsDatWatcher* iWatcher; // callback object that wants to see changes in CommsDat
+    CCmCallBackArray* iCallBackArray; // used as stack to go to the next view
+    };
+
+#endif // CMCOMMSDATNOTIFIER_H
+
+// End-of-file