// 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)

	{

	}