diff -r 05bc53fe583b -r 83ca720e2b9a cmmanager/cmmgr/Framework/Inc/cmcommsdatnotifier.h --- /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 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