diff -r 000000000000 -r 094583676ce7 wvuing/wvuiave/AppSrc/CCAPSPropWatcher.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/wvuing/wvuiave/AppSrc/CCAPSPropWatcher.cpp Thu Dec 17 08:41:52 2009 +0200 @@ -0,0 +1,102 @@ +/* +* Copyright (c) 2006 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: Publish & Subscribe property watcher +* +*/ + + + +// INCLUDE FILES +#include "CCAPSPropWatcher.h" +#include "MCAPSPropChangeObserver.h" + + +// ============================ MEMBER FUNCTIONS =============================== + +// ----------------------------------------------------------------------------- +// CCAPSPropWatcher::CCAPSPropWatcher +// C++ default constructor can NOT contain any code, that +// might leave. +// ----------------------------------------------------------------------------- +// +CCAPSPropWatcher::CCAPSPropWatcher( MCAPSPropChangeObserver* aObserver ) + : CActive( CActive::EPriorityIdle ), + iObserver( aObserver ) + { + + } + +// ----------------------------------------------------------------------------- +// CCAPSPropWatcher::ConstructL +// Symbian 2nd phase constructor can leave. +// ----------------------------------------------------------------------------- +// +void CCAPSPropWatcher::ConstructL( TUid aCategory, TUint aKey ) + { + User::LeaveIfError( iProperty.Attach( aCategory, aKey ) ); + CActiveScheduler::Add( this ); + RunL(); + } + +// ----------------------------------------------------------------------------- +// CCAPSPropWatcher::NewL +// Two-phased constructor. +// ----------------------------------------------------------------------------- +// +CCAPSPropWatcher* CCAPSPropWatcher::NewL( MCAPSPropChangeObserver* aObserver, TUid aCategory, TUint aKey ) + { + CCAPSPropWatcher* self = new( ELeave ) CCAPSPropWatcher( aObserver ); + + CleanupStack::PushL( self ); + self->ConstructL( aCategory, aKey ); + CleanupStack::Pop(); + + return self; + } + + +// Destructor +CCAPSPropWatcher::~CCAPSPropWatcher() + { + Cancel(); + iProperty.Close(); + } + + +// ----------------------------------------------------------------------------- +// CCAPSPropWatcher::RunL +// (other items were commented in a header). +// ----------------------------------------------------------------------------- +// +void CCAPSPropWatcher::RunL() + { + iProperty.Subscribe( iStatus ); + SetActive(); + if ( iObserver ) + { + iObserver->HandlePropertyChanged(); + } + } + +// ----------------------------------------------------------------------------- +// CCAPSPropWatcher::DoCancel +// (other items were commented in a header). +// ----------------------------------------------------------------------------- +// +void CCAPSPropWatcher::DoCancel() + { + iProperty.Cancel(); + } + +// End of File