--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/menufw/hierarchynavigator/hnpresentationmodel/src/hnitemfocushandler.cpp	Thu Dec 17 08:40:49 2009 +0200
@@ -0,0 +1,230 @@
+/*
+* Copyright (c) 2007 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:  Application UI class
+*  Version     : %version: 3 % << Don't touch! Updated by Synergy at check-out.
+*/
+
+
+#include "hnitemfocushandler.h"
+#include "hnglobals.h"
+#include "hnsuitemodel.h"
+
+// ---------------------------------------------------------------------------
+// TFocusQueueItem::TFocusQueueItem( TInt aItemId, TInt aEventId )
+// ---------------------------------------------------------------------------
+//
+TFocusQueueItem::TFocusQueueItem( TInt aItemId, TInt aEventId ): 
+	iItemId( aItemId ),  iEventId( aEventId )
+	{
+	iTriggerTime.HomeTime();
+	}
+
+// ---------------------------------------------------------------------------
+// TFocusQueueItem::TriggerTime()
+// ---------------------------------------------------------------------------
+//
+TTime TFocusQueueItem::TriggerTime()
+	{
+	return iTriggerTime;
+	}
+
+// ---------------------------------------------------------------------------
+// TFocusQueueItem::ItemId()
+// ---------------------------------------------------------------------------
+//
+TInt TFocusQueueItem::ItemId()
+	{
+	return iItemId;
+	}
+
+// ---------------------------------------------------------------------------
+// TFocusQueueItem::EventId()
+// ---------------------------------------------------------------------------
+//
+TInt TFocusQueueItem::EventId()
+	{
+	return iEventId;
+	}
+
+// ---------------------------------------------------------------------------
+// TFocusQueueItem::CompareByTriggerTime( const TFocusQueueItem& aItem1,
+// const TFocusQueueItem& aItem2 )
+// ---------------------------------------------------------------------------
+//
+TInt TFocusQueueItem::CompareByTriggerTime( const TFocusQueueItem& aItem1,
+		const TFocusQueueItem& aItem2 )
+	{
+	if ( aItem1.iTriggerTime < aItem2.iTriggerTime )
+		{
+		return -1;
+		}
+	else
+		{
+		return 1;
+		}
+	}
+   
+// ---------------------------------------------------------------------------
+// TFocusQueueItem::CompareByItemId( const TFocusQueueItem& aItem1,
+// const TFocusQueueItem& aItem2 )
+// ---------------------------------------------------------------------------
+//
+TBool TFocusQueueItem::CompareByItemId( const TFocusQueueItem& aItem1,
+		const TFocusQueueItem& aItem2 )
+	{
+	return aItem1.iItemId == aItem2.iItemId;
+	}
+
+// ---------------------------------------------------------------------------
+// CHnItemFocusHandler::CHnItemFocusHandler() 
+// ---------------------------------------------------------------------------
+//
+CHnItemFocusHandler::CHnItemFocusHandler() :
+	CActive(EPriorityLow) // Standard priority
+	{
+	}
+
+// ---------------------------------------------------------------------------
+// CHnItemFocusHandler* CHnItemFocusHandler::NewLC()
+// ---------------------------------------------------------------------------
+//
+CHnItemFocusHandler* CHnItemFocusHandler::NewLC( CHnSuiteModel* aSuiteModel )
+	{
+	CHnItemFocusHandler* self = new (ELeave) CHnItemFocusHandler();
+	CleanupStack::PushL(self);
+	self->ConstructL( aSuiteModel );
+	return self;
+	}
+
+// ---------------------------------------------------------------------------
+// CHnItemFocusHandler* CHnItemFocusHandler::NewL()
+// ---------------------------------------------------------------------------
+//
+CHnItemFocusHandler* CHnItemFocusHandler::NewL( CHnSuiteModel* aSuiteModel )
+	{
+	CHnItemFocusHandler* self = CHnItemFocusHandler::NewLC( aSuiteModel );
+	CleanupStack::Pop(); // self;
+	return self;
+	}
+
+// ---------------------------------------------------------------------------
+// CHnItemFocusHandler::ConstructL()
+// ---------------------------------------------------------------------------
+//
+void CHnItemFocusHandler::ConstructL( CHnSuiteModel* aSuiteModel )
+	{
+	CActiveScheduler::Add( this); // Add to scheduler
+	iSuiteModel = aSuiteModel;
+	}
+
+// ---------------------------------------------------------------------------
+// CHnItemFocusHandler::~CHnItemFocusHandler(
+// ---------------------------------------------------------------------------
+//
+CHnItemFocusHandler::~CHnItemFocusHandler()
+	{
+	Cancel(); // Cancel any request, if outstanding
+	
+//	handle all pending unfocus events synchronously.
+	for(TInt i = 0; i < iFocusQueue.Count(); i++ )
+		{
+		if ( KIdFocusLost == iFocusQueue[i].EventId() )
+			{
+			if( iSuiteModel )
+			    {
+	            TRAP_IGNORE( iSuiteModel->OfferHnEventL( 
+	                    KIdFocusLost, iFocusQueue[i].ItemId(), NULL ) );
+			    }
+			}
+		}
+	iFocusQueue.Reset();
+	}
+
+// ---------------------------------------------------------------------------
+// CHnItemFocusHandler::DoCancel()
+// ---------------------------------------------------------------------------
+//
+void CHnItemFocusHandler::DoCancel()
+	{
+//	TRequestStatus* status = &iStatus;
+//	User::RequestComplete( status, KErrCancel);
+	}
+
+// ---------------------------------------------------------------------------
+// CHnItemFocusHandler::StartL(TTimeIntervalMicroSeconds32 aDelay)
+// ---------------------------------------------------------------------------
+//
+void CHnItemFocusHandler::SetFocusL( TInt aEventId, TBool aItemId )
+	{
+	TLinearOrder<TFocusQueueItem> byTriggerTime( 
+			TFocusQueueItem::CompareByTriggerTime );
+	TFocusQueueItem focusItem(aItemId, aEventId);
+	RemoveDuplicatedItem( focusItem );
+	iFocusQueue.InsertInOrderL( focusItem, byTriggerTime );
+	if ( !IsActive() )
+		{
+		SetActive();
+    	TRequestStatus* status = &iStatus;
+    	User::RequestComplete( status, KErrNone );
+		}
+	}
+
+// ---------------------------------------------------------------------------
+// CHnItemFocusHandler::RunL()
+// ---------------------------------------------------------------------------
+//
+void CHnItemFocusHandler::RunL()
+	{
+	TRAP_IGNORE( iSuiteModel->OfferHnEventL( 
+			iFocusQueue[0].EventId(), iFocusQueue[0].ItemId() , NULL ) );
+	iFocusQueue.Remove(0);
+	
+	if ( iFocusQueue.Count() > 0)
+		{
+		SetActive(); // Tell scheduler a request is active		
+    	TRequestStatus* status = &iStatus;
+    	User::RequestComplete( status, KErrNone );
+		}
+	}
+
+// ---------------------------------------------------------------------------
+// CHnItemFocusHandler::RunError(TInt aError)
+// ---------------------------------------------------------------------------
+//
+TInt CHnItemFocusHandler::RunError(TInt aError)
+	{
+	return aError;
+	}
+
+// ---------------------------------------------------------------------------
+// RemoveDuplicatedItem( const TFocusQueueItem& aFocusItem )
+// ---------------------------------------------------------------------------
+//
+void CHnItemFocusHandler::RemoveDuplicatedItem( const TFocusQueueItem& aFocusItem )
+	{
+	if ( iFocusQueue.Count() != 0 )
+		{
+		TIdentityRelation< TFocusQueueItem > byItemId( 
+				TFocusQueueItem::CompareByItemId );
+		TInt itemPosition;
+		itemPosition = iFocusQueue.Find( aFocusItem, byItemId );
+		if ( KErrNotFound != itemPosition )
+			{
+			iFocusQueue.Remove( itemPosition );
+			}
+		}
+	}
+
+// End of file
+