diff -r 05bc53fe583b -r 83ca720e2b9a cmmanager/cmmgr/Framework/Src/cmcommsdatnotifier.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/cmmanager/cmmgr/Framework/Src/cmcommsdatnotifier.cpp Wed Sep 01 12:23:51 2010 +0100 @@ -0,0 +1,168 @@ +/* +* Copyright (c) 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. +* +*/ + +#include +#include +#include + +#include "cmcommsdatnotifier.h" +#include "cmmanagerimpl.h" + +// Repository for CommsDat +const TUid KCDCommsRepositoryId = { 0xCCCCCC00 }; + +CCmCommsDatNotifier* CCmCommsDatNotifier::NewL( TUint32 aTableId ) + { + CCmCommsDatNotifier* self = CCmCommsDatNotifier::NewLC( aTableId ); + CleanupStack::Pop( self ); + return self; + } + +CCmCommsDatNotifier* CCmCommsDatNotifier::NewLC( TUint32 aTableId ) + { + CCmCommsDatNotifier* self = new( ELeave ) CCmCommsDatNotifier( aTableId ); + CleanupStack::PushL( self ); + self->ConstructL(); + return self; + } + +CCmCommsDatNotifier::~CCmCommsDatNotifier() + { + // Cancel outstanding request, if exists + if( iWatcher ) + { + Cancel(); + } + delete iRepository; + + DeleteCallBackArray(); + + iWatcher = NULL; + } + +void CCmCommsDatNotifier::DeleteCallBackArray() + { + TInt count = iCallBackArray->Count(); + TInt index( 0 ); + while( count > 0 ) + { + iCallBackArray->Delete( index ); + iCallBackArray->Compress(); + + count = iCallBackArray->Count(); + } + + delete iCallBackArray; + iCallBackArray = NULL; + } + +CCmCommsDatNotifier::CCmCommsDatNotifier( TUint32 aTableId ) + : + CActive( EPriorityStandard ), + iTableId( aTableId ), + iWatcher( NULL ) + { + iRepository = NULL; + } + +void CCmCommsDatNotifier::ConstructL() + { + iCallBackArray = new (ELeave) CCmCallBackArray( KCmArrayBigGranularity ); + + iRepository = CRepository::NewL( KCDCommsRepositoryId ); + CActiveScheduler::Add( this ); + } + +void CCmCommsDatNotifier::WatcherRegisterL( MCmCommsDatWatcher* aWatcher ) + { + if( !aWatcher ) + { + return; + } + + if( !iWatcher ) + { + TInt err( RequestNotifications() ); + User::LeaveIfError( err ); + } + + iCallBackArray->AppendL( aWatcher ); + + iWatcher = aWatcher; + } + +void CCmCommsDatNotifier::WatcherUnRegister( ) + { + TInt index = iCallBackArray->Count(); + index --; + + if (index >= 0) + { + iCallBackArray->Delete( index ); + iCallBackArray->Compress(); + } + + index = iCallBackArray->Count(); + index --; + if (index >= 0) + { + iWatcher = (*iCallBackArray)[index]; + } + else + { + iWatcher = NULL; + } + + if( !iWatcher ) + { + Cancel(); + } + } + +TInt CCmCommsDatNotifier::RequestNotifications() + { + TInt err = iRepository->NotifyRequest( iTableId, KCDMaskShowRecordType, iStatus ); + + if ( KErrNone == err ) + { + SetActive(); + } + + return err; + } + +void CCmCommsDatNotifier::DoCancel() + { + iRepository->NotifyCancel( iTableId, KCDMaskShowRecordType ); + } + +void CCmCommsDatNotifier::RunL() + { + if ( iStatus.Int() < KErrNone ) + { + return; + } + + if ( iWatcher ) + { + iWatcher->CommsDatChangesL(); + + RequestNotifications(); + } + } + +// End-of-file