diff -r 000000000000 -r 7f656887cf89 libraries/btrace_parser/src/btrace_screenupdate.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libraries/btrace_parser/src/btrace_screenupdate.cpp	Wed Jun 23 15:52:26 2010 +0100
@@ -0,0 +1,115 @@
+// btrace_screenupdate.cpp
+// 
+// Copyright (c) 2008 - 2010 Accenture. All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of the "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:
+// Accenture - Initial contribution
+//
+
+#include "btrace_parser.h"
+
+
+EXPORT_C CBtraceScreenUpdate* CBtraceScreenUpdate::NewL(CBtraceReader& aReader)
+	{
+	CBtraceScreenUpdate* self = new(ELeave) CBtraceScreenUpdate(aReader);
+	CleanupStack::PushL(self);
+	self->ConstructL();
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+EXPORT_C CBtraceScreenUpdate::~CBtraceScreenUpdate()
+	{
+	iNotifs.Close();
+	iReader.RemoveObserver(KAmTraceCategory, *this);
+	}
+
+EXPORT_C void CBtraceScreenUpdate::NotifyScreenUpdateL(MBtraceScreenUpdateObserver& aObserver)
+	{
+	NotifyScreenUpdateL(aObserver, ENotificationOneShot);
+	}
+	
+EXPORT_C void CBtraceScreenUpdate::NotifyScreenUpdateL(MBtraceScreenUpdateObserver& aObserver, TBtraceNotificationPersistence aPersistence)
+	{
+	iNotifs.AppendL(TScreenUpdateNotif(aObserver, aPersistence));
+	}
+
+EXPORT_C void CBtraceScreenUpdate::NotifyScreenUpdateL(TInt aScreenNumber, const TRect& aRect, MBtraceScreenUpdateObserver& aObserver)
+	{
+	NotifyScreenUpdateL(aScreenNumber, aRect, aObserver, ENotificationOneShot);
+	}
+	
+EXPORT_C void CBtraceScreenUpdate::NotifyScreenUpdateL(TInt aScreenNumber, const TRect& aRect, MBtraceScreenUpdateObserver& aObserver, TBtraceNotificationPersistence aPersistence)
+	{
+	iNotifs.AppendL(TScreenUpdateNotif(aScreenNumber, aRect, aObserver, aPersistence));
+	}
+	
+EXPORT_C void CBtraceScreenUpdate::CancelNotifyScreenUpdate(MBtraceScreenUpdateObserver& aObserver)
+	{
+	for (TInt i = iNotifs.Count()-1; i>=0; --i)
+		{
+		if (iNotifs[i].iObserver == &aObserver)
+			{
+			iNotifs.Remove(i);
+			}
+		}
+	}
+
+CBtraceScreenUpdate::CBtraceScreenUpdate(CBtraceReader& aReader)
+	: iReader(aReader)
+	{
+	}
+
+void CBtraceScreenUpdate::ConstructL()
+	{
+	iReader.AddObserverL(KAmTraceCategory, *this);
+	}
+
+void CBtraceScreenUpdate::HandleScreenUpdateL(const TBtraceTickCount& aTickCount, TInt aScreenNumber, const TRect& aRect)
+	{
+	for (TInt i = (iNotifs.Count() - 1); i >= 0; --i)
+		{
+		TScreenUpdateNotif& notif = iNotifs[i];
+		if (notif.iNotifyAll || ((notif.iScreenNumber == aScreenNumber) && (notif.iRect.Intersects(aRect))))
+			{
+			MBtraceScreenUpdateObserver* observer = notif.iObserver;
+			if (notif.iPersistence == ENotificationOneShot)
+				{
+				iNotifs.Remove(i);
+				}
+			observer->HandleScreenUpdateL(aTickCount, aScreenNumber, aRect);
+			}
+		}
+	}
+
+void CBtraceScreenUpdate::HandleBtraceFrameL(const TBtraceFrame& aFrame)
+	{
+	if (aFrame.iCategory == KAmTraceCategory && aFrame.iSubCategory == EAmTraceSubCategoryScreenDriver)
+		{
+		const TUint8* data = aFrame.iData.Ptr();
+		TAmTraceEventScreenDriver event = *((const TAmTraceEventScreenDriver*)data);
+		data += sizeof (TAmTraceEventScreenDriver);
+		if (event == EAmTraceEventScreenDriverRectangleUpdated)
+			{
+			TInt screenNumber = *((const TInt32*)data);
+			data += sizeof (TInt);
+			const TRect* rect = (const TRect*)data;
+			HandleScreenUpdateL(aFrame.iTickCount, screenNumber, *rect);
+			}
+		}
+	}
+
+CBtraceScreenUpdate::TScreenUpdateNotif::TScreenUpdateNotif(MBtraceScreenUpdateObserver& aObserver, TBtraceNotificationPersistence aPersistence)
+	: iNotifyAll(ETrue), iObserver(&aObserver), iPersistence(aPersistence)
+	{
+	}
+
+CBtraceScreenUpdate::TScreenUpdateNotif::TScreenUpdateNotif(TInt aScreenNumber, const TRect& aRect, MBtraceScreenUpdateObserver& aObserver, TBtraceNotificationPersistence aPersistence)
+	: iNotifyAll(EFalse), iScreenNumber(aScreenNumber), iRect(aRect), iObserver(&aObserver), iPersistence(aPersistence)
+	{
+	}
+