--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/windowing/windowserver/nonnga/SERVER/debugbar.cpp	Tue Feb 02 01:47:50 2010 +0200
@@ -0,0 +1,121 @@
+// 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>
+
+
+CDebugBar* CDebugBar::NewL(CScreen * aScreen,const TRect& aScreenRect,TTimeIntervalMicroSeconds32 aRefreshInterval)
+	{
+	CDebugBar* self = new(ELeave) CDebugBar(aScreen,aScreenRect);
+	CleanupStack::PushL(self);
+	self->ConstructL(aRefreshInterval);
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+CDebugBar::~CDebugBar()
+	{
+	iScreen->ScreenDevice()->ReleaseFont(iFont);
+	delete iTimer;
+	}
+	
+CDebugBar::CDebugBar(CScreen * aScreen,const TRect& aScreenRect) : iScreen(aScreen), iScreenRect(aScreenRect)
+	{
+	}
+	
+void CDebugBar::ConstructL(TTimeIntervalMicroSeconds32 aRefreshInterval)
+	{
+	iTimer = CPeriodic::NewL(EPriorityNormal);
+	iTimer->Start(TTimeIntervalMicroSeconds32(3000000),aRefreshInterval,TCallBack(RedrawDebugBarCallback, this));
+	TFontSpec fspec(_L("DejaVu Sans Condensed"),9);
+	User::LeaveIfError(iScreen->ScreenDevice()->GetNearestFontToDesignHeightInPixels(iFont, fspec));
+	iBaseline = (iFont->BaselineOffsetInPixels() + iFont->AscentInPixels());
+	}
+	
+const TRect& CDebugBar::Rect() const
+	{
+	return iScreenRect;
+	}
+
+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->RedrawDebugBar();
+	self->iScreen->Update(TRegionFix<1>(self->iScreenRect));
+	return ETrue;
+	}
+	
+#include "walkwindowtree.h"	
+#include "rootwin.h"
+void CDebugBar::RedrawDebugBar() 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);
+	CFbsBitGc *gc = iScreen->ScreenGdi();
+	gc->Reset();
+	gc->SetDrawMode(CGraphicsContext::EDrawModePEN);
+	gc->SetPenColor(KRgbWhite);
+	gc->SetPenStyle(CGraphicsContext::ESolidPen);
+	gc->SetBrushStyle(CGraphicsContext::ESolidBrush);
+	gc->SetBrushColor(KRgbBlack);
+	gc->DrawRect(iScreenRect);
+	gc->UseFont(iFont);
+	
+	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);
+	
+	TRect textRect(iScreenRect);
+	textRect.SetHeight(textRect.Height() / 2);
+	iBuf.Format(KLine1Format,iKeyEvents,scheduler->Requests()-iPolls,wservPercent,drawingPercent,reclaimedPercent);
+	gc->DrawText(iBuf,textRect,iBaseline);
+	
+	textRect.Move(TPoint(0,textRect.Height()));
+	iBuf.Format(KLine2Format,redrawStoreWalker.iTotalSize, updatesPerSecond, pixelsPerSecond);
+	gc->DrawText(iBuf,textRect,iBaseline);
+	
+	gc->DiscardFont();
+	
+	iLastTotal=scheduler->Total();
+	iLastIdle=scheduler->Idle();
+	iLastDrawing=scheduler->Drawing();
+	iLastReclaimedIdleTime=scheduler->ReclaimedIdleTime();
+	}
+
+void CDebugBar::OnKeyEvent()
+	{
+	iKeyEvents++;
+	RedrawDebugBar();
+	iScreen->Update(TRegionFix<1>(iScreenRect));
+	}
+