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/*
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* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: ws monitor implementation
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*
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*/
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#include "tsfswmonitor.h"
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#include "tsfswobservers.h"
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// --------------------------------------------------------------------------
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// CTsFswMonitor::~CTsFswMonitor
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// --------------------------------------------------------------------------
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//
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CTsFswMonitor::~CTsFswMonitor()
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{
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Cancel();
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iWg.Close();
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iWsSession.Close();
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}
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// --------------------------------------------------------------------------
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// CTsFswMonitor::CTsFswMonitor
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// --------------------------------------------------------------------------
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//
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CTsFswMonitor::CTsFswMonitor(MTsFswTaskListObserver& aTaskListObserver) : CActive( EPriorityStandard ),
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iTaskListObserver(&aTaskListObserver)
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{
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}
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// --------------------------------------------------------------------------
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// CTsFswMonitor::NewL
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// --------------------------------------------------------------------------
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//
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CTsFswMonitor* CTsFswMonitor::NewL(MTsFswTaskListObserver& aTaskListObserver)
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{
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CTsFswMonitor* self = NewLC(aTaskListObserver);
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CleanupStack::Pop( self );
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return self;
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}
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// --------------------------------------------------------------------------
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// CTsFswMonitor::NewLC
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// --------------------------------------------------------------------------
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//
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CTsFswMonitor* CTsFswMonitor::NewLC(MTsFswTaskListObserver& aTaskListObserver)
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{
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CTsFswMonitor* self = new ( ELeave ) CTsFswMonitor(aTaskListObserver);
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CleanupStack::PushL( self );
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self->ConstructL();
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return self;
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}
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// --------------------------------------------------------------------------
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// CTsFswMonitor::ConstructL
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// --------------------------------------------------------------------------
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//
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void CTsFswMonitor::ConstructL()
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{
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CActiveScheduler::Add( this );
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//Create window server observer
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ConstractObserverL();
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Subscribe();
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}
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// -----------------------------------------------------------------------------
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// Subscribe
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// -----------------------------------------------------------------------------
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//
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void CTsFswMonitor::Subscribe()
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{
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if( !IsActive() )
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{
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iWsSession.EventReady( &iStatus );
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SetActive();
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}
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}
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// -----------------------------------------------------------------------------
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// ConstractObserverL
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// -----------------------------------------------------------------------------
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//
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void CTsFswMonitor::ConstractObserverL()
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{
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User::LeaveIfError( iWsSession.Connect() );
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iWg = RWindowGroup( iWsSession );
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User::LeaveIfError( iWg.Construct(
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reinterpret_cast<TUint32>( &iWg ) ) );
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iWg.DisableFocusChangeEvents();
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iWg.DisableModifierChangedEvents();
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iWg.DisableOnEvents();
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iWg.DisableScreenChangeEvents();
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//enable notifications about group lists
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User::LeaveIfError( iWg.EnableGroupListChangeEvents() );
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}
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void CTsFswMonitor::RunL()
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{
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User::LeaveIfError( iStatus.Int() );
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TWsEvent event;
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iWsSession.GetEvent( event );
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Subscribe();//new subscribtion has to be called after picking event
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if( EEventWindowGroupListChanged == event.Type() /*|| EEventFocusGroupChanged == event.Type()*/ )
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{
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if ( iTaskListObserver )
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{
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iTaskListObserver->UpdateTaskList();
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}
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}
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}
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TInt CTsFswMonitor::RunError( TInt /*aError*/ )
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{
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Subscribe();
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return KErrNone;
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}
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void CTsFswMonitor::DoCancel()
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{
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if( IsActive() )
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{
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iWsSession.EventReadyCancel();
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}
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}
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// end of file
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