// btrace_focuschange.cpp

// 

// Copyright (c) 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 CBtraceFocusChange* CBtraceFocusChange::NewL(CBtraceReader& aReader, CBtraceContext& aContext)

	{

	CBtraceFocusChange* self = new(ELeave) CBtraceFocusChange(aReader, aContext);

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(self);

	return self;

	}

CBtraceFocusChange::CBtraceFocusChange(CBtraceReader& aReader, CBtraceContext& aContext)

	: iReader(aReader), iContext(aContext)

	{

	}

EXPORT_C CBtraceFocusChange::~CBtraceFocusChange()

	{

	iNotifs.Close();

	iReader.RemoveObserver(KAmTraceCategory, *this);

	}

void CBtraceFocusChange::ConstructL()

	{

	iReader.AddObserverL(KAmTraceCategory, *this);

	}

EXPORT_C void CBtraceFocusChange::NotifyFocusChangedL(const TDesC& aWindowGroupNamePattern, MBtraceFocusChangeObserver& aObserver)

	{

	NotifyFocusChangedL(aWindowGroupNamePattern, aObserver, ENotificationOneShot);

	}

EXPORT_C void CBtraceFocusChange::NotifyFocusChangedL(const TDesC& aWindowGroupNamePattern, MBtraceFocusChangeObserver& aObserver, TBtraceNotificationPersistence aPersistence)

	{

	iNotifs.AppendL(TFocusChangeNotif(aWindowGroupNamePattern, aObserver, aPersistence));

	}

EXPORT_C void CBtraceFocusChange::CancelNotifyFocusChanged(MBtraceFocusChangeObserver& aObserver)

	{

	for (TInt i = (iNotifs.Count() - 1); i >= 0; --i)

		{

		if (&iNotifs[i].iObserver == &aObserver)

			{

			iNotifs.Remove(i);

			}

		}

	}

void CBtraceFocusChange::HandleBtraceFrameL(const TBtraceFrame& aFrame)

	{

	if (aFrame.iSubCategory == EAmTraceSubCategoryWindowGroupFocus)

		{

		const TInt32* data = (const TInt32*)aFrame.iData.Ptr();

		TInt wservWindowGroupId = *data;

		const TBtraceWindowGroupId* windowGroupId = iContext.FindWindowGroup(wservWindowGroupId);

		__ASSERT_ALWAYS(windowGroupId, Panic(EBtpPanicWservWindowGroupIdNotFound));

		const TDesC& windowGroupName = iContext.WindowGroupName(*windowGroupId);

		for (TInt i = (iNotifs.Count() - 1); i >= 0; --i)

			{

			const TFocusChangeNotif& thisNotif = iNotifs[i];

			if (windowGroupName.MatchF(thisNotif.iWindowGroupNamePattern) != KErrNotFound)

				{

				MBtraceFocusChangeObserver& observer = thisNotif.iObserver;

				if (thisNotif.iPersistence == ENotificationOneShot)

					{

					iNotifs.Remove(i);

					}

				observer.HandleFocusChangedL(aFrame.iTickCount, *windowGroupId);

				}

			}

		}

	}

CBtraceFocusChange::TFocusChangeNotif::TFocusChangeNotif(const TDesC& aWindowGroupNamePattern, MBtraceFocusChangeObserver& aObserver, TBtraceNotificationPersistence aPersistence)

	: iWindowGroupNamePattern(aWindowGroupNamePattern), iObserver(aObserver), iPersistence(aPersistence)

	{

	}