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/*
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* Copyright (c) 2009 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 :
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*
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*/
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#include <apgwgnam.h>
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#include "tswindowgroupsmonitorimp.h"
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#include "tsrunningappstorageimp.h"
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#include "tsresourcemanager.h"
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#include "tsvisibilitymsg.h"
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const int KOrdinalPositionNoZOrder(-1);
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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CTsWindowGroupsMonitor* CTsWindowGroupsMonitor::NewL(MTsResourceManager &resources)
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{
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CTsWindowGroupsMonitor* self = new (ELeave) CTsWindowGroupsMonitor(resources);
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CleanupStack::PushL(self);
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self->ConstructL();
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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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//
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// -----------------------------------------------------------------------------
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//
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CTsWindowGroupsMonitor::CTsWindowGroupsMonitor(MTsResourceManager &resources)
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:
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CActive(EPriorityStandard),
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iResources(resources)
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{
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CActiveScheduler::Add(this);
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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void CTsWindowGroupsMonitor::ConstructL()
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{
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// Initial window group
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iWg = RWindowGroup (iResources.WsSession());
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User::LeaveIfError (iWg.Construct ((TUint32)&iWg, EFalse));
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iWg.SetOrdinalPosition (KOrdinalPositionNoZOrder);
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iWg.EnableReceiptOfFocus (EFalse);
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// Hide window
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CApaWindowGroupName* wn = CApaWindowGroupName::NewLC(iResources.WsSession());
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wn->SetHidden (ETrue);
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wn->SetWindowGroupName (iWg);
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CleanupStack::PopAndDestroy (wn);
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// Window group change event
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User::LeaveIfError (iWg.EnableGroupListChangeEvents());
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iCache = CTsRunningAppStorage::NewL();
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RefreshCacheL();
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Subscribe();
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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CTsWindowGroupsMonitor::~CTsWindowGroupsMonitor()
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{
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CActive::Cancel();
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iWg.Close();
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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void CTsWindowGroupsMonitor::SubscribeL(MTsWindowGroupsObserver &observer)
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{
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if(KErrNotFound != iObservers.Find(&observer))
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{
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User::Leave(KErrAlreadyExists);
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}
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iObservers.InsertL(&observer, 0);
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observer.HandleWindowGroupChanged(iResources, *iCache);
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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void CTsWindowGroupsMonitor::Cancel(MTsWindowGroupsObserver & observer)
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{
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const TInt offset(iObservers.Find(&observer));
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if(KErrNotFound != offset)
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{
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iObservers.Remove(offset);
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}
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}
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// -----------------------------------------------------------------------------
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/**
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* @see MTsWindowGroupsMonitor::Storage
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*/
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const MTsRunningApplicationStorage& CTsWindowGroupsMonitor::Storage() const
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{
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return *iCache;
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}
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// -----------------------------------------------------------------------------
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TBool CTsWindowGroupsMonitor::IsSupported(TInt aFunction) const
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{
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return ( VisibilityChange == aFunction );
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}
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// -----------------------------------------------------------------------------
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void CTsWindowGroupsMonitor::HandleDataL(TInt aFunction, RReadStream& aDataStream)
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{
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if(VisibilityChange == aFunction)
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{
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CTsVisibilitMsg* msg = CTsVisibilitMsg::NewLC(aDataStream);
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const TBool hide (Invisible == msg->visibility());
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bool changed = false;
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for(TInt offset(0); offset < iCache->Count(); ++offset)
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{
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if( msg->windowGroupId() == (*iCache)[offset].WindowGroupId() )
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{
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(*iCache)[offset].SetHidden(hide);
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offset = iCache->Count();
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changed = true;
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}
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}
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if(changed)
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{
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for( TInt iter(0); iter < iObservers.Count(); ++iter )
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{
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iObservers[iter]->HandleWindowGroupChanged( iResources, *iCache );
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}
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}
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CleanupStack::PopAndDestroy(msg);
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}
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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void CTsWindowGroupsMonitor::RunL()
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{
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User::LeaveIfError(iStatus.Int());
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ProvideEventL();
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Subscribe();
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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void CTsWindowGroupsMonitor::DoCancel()
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{
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if (IsActive()) {
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iResources.WsSession().EventReadyCancel();
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}
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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TInt CTsWindowGroupsMonitor::RunError(TInt error)
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{
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if (!IsActive() && KErrCancel != error) {
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Subscribe();
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}
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return KErrNone;
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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void CTsWindowGroupsMonitor::Subscribe()
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{
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iResources.WsSession().EventReady( &iStatus );
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SetActive();
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}
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// -----------------------------------------------------------------------------
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void CTsWindowGroupsMonitor::ProvideEventL()
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{
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TWsEvent wsEvent;
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iResources.WsSession().GetEvent(wsEvent);
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if( EEventWindowGroupListChanged == wsEvent.Type() )
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{
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RefreshCacheL();
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}
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}
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// -----------------------------------------------------------------------------
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void CTsWindowGroupsMonitor::RefreshCacheL()
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{
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RArray<RWsSession::TWindowGroupChainInfo> filteredWgInfo, fullWgInfo;
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CleanupClosePushL(filteredWgInfo);
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CleanupClosePushL(fullWgInfo);
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User::LeaveIfError(iResources.WsSession().WindowGroupList(0, &filteredWgInfo));
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User::LeaveIfError(iResources.WsSession().WindowGroupList(&fullWgInfo));
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iCache->HandleWindowGroupChanged(iResources,
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fullWgInfo.Array(),
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filteredWgInfo.Array());
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CleanupStack::PopAndDestroy( &fullWgInfo );
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CleanupStack::PopAndDestroy( &filteredWgInfo );
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for( TInt iter(0); iter < iObservers.Count(); ++iter )
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{
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iObservers[iter]->HandleWindowGroupChanged( iResources, *iCache );
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}
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}
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