// Copyright (c) 2007-2009 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:

// Debug bar

// 

//

#include "debugbar.h"

#include <bitstd.h>

#include "screen.h"

#include "wstop.h"

#include <e32cmn.h>

#include "walkwindowtree.h"	

#include "rootwin.h"

CDebugBar* CDebugBar::NewL(CScreen * aScreen, TTimeIntervalMicroSeconds32 aRefreshInterval)

	{

	CDebugBar* self = new(ELeave) CDebugBar(aScreen);

	CleanupStack::PushL(self);

	self->ConstructL(aRefreshInterval);

	CleanupStack::Pop(self);

	return self;

	}

CDebugBar::~CDebugBar()

	{

	delete iTimer;	

	}

CDebugBar::CDebugBar(CScreen * aScreen) : iScreen(aScreen)

	{

	}

void CDebugBar::ConstructL(TTimeIntervalMicroSeconds32 aRefreshInterval)

	{

	iTimer = CPeriodic::NewL(EPriorityNormal);

	iTimer->Start(TTimeIntervalMicroSeconds32(3000000),aRefreshInterval,TCallBack(RedrawDebugBarCallback, this));

	}

TBool CDebugBar::RedrawDebugBarCallback(TAny * aAny)

	{

	CDebugBar* self = reinterpret_cast<CDebugBar *>(aAny);

	self->iPolls++; //minus-out the events which cause this debug-bar to 'tick'

	self->iScreen->ScheduleRender(0);

	return ETrue;

	}

void CDebugBar::DebugBarInfo(RArray<TPtrC>& aArray) const

	{	

	_LIT(KLine1Format, "KeyEvents %d; %Ld; WServ %.1f%%; Drawing %.1f%%; Reclaimed %.1f%%");

	_LIT(KLine2Format, "RedrawStore size %d3B; updates %d/s, pixels %d/s"); 

	CWsActiveScheduler* scheduler = CWsActiveScheduler::Static();

	TInt updatesPerSecond;

	TInt64 pixelsPerSecond;

	scheduler->DrawStats(updatesPerSecond,pixelsPerSecond,2);

	TInt64 wserv = scheduler->Total() - iLastTotal;

	TInt64 nonwserv = scheduler->Idle() - iLastIdle;

	TInt64 drawing = scheduler->Drawing() - iLastDrawing;

	TInt64 reclaimed = scheduler->ReclaimedIdleTime() - iLastReclaimedIdleTime;

	TReal wservPercent =  wserv+nonwserv? ((TReal)wserv / (TReal)(wserv + nonwserv)) * 100.0 : 0.0 ;

	TReal drawingPercent = wserv? ((TReal)drawing / (TReal)wserv) * 100.0: 0 ;

	TReal reclaimedPercent = wserv+nonwserv? ((TReal)reclaimed / (TReal)(wserv + nonwserv)) * 100.0: 100.0 ;

	TWalkWindowTreeRedrawStoreSize redrawStoreWalker;

	iScreen->RootWindow()->WalkWindowTree(redrawStoreWalker, EWalkChildrenAndBehind);

	iTextLine0.Format(KLine1Format,iKeyEvents,scheduler->Requests()-iPolls,wservPercent,drawingPercent,reclaimedPercent);

	iTextLine1.Format(KLine2Format,redrawStoreWalker.iTotalSize, updatesPerSecond, pixelsPerSecond);

	iLastTotal=scheduler->Total();

	iLastIdle=scheduler->Idle();

	iLastDrawing=scheduler->Drawing();

	iLastReclaimedIdleTime=scheduler->ReclaimedIdleTime();	

	aArray.Reset();

	TPtrC ptr(iTextLine0);

	aArray.Append(ptr);

	ptr.Set(iTextLine1);

	aArray.Append(ptr);	

	}

void CDebugBar::OnKeyEvent()

	{

	iKeyEvents++;

	iScreen->ScheduleRender(0);

	}