1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/graphics/windowing/windowserver/nonnga/SERVER/debugbar.cpp	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,121 @@
     1.4 +// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +// Debug bar
    1.18 +// 
    1.19 +//
    1.20 +
    1.21 +#include "debugbar.h"
    1.22 +#include <bitstd.h>
    1.23 +#include "screen.h"
    1.24 +#include "wstop.h"
    1.25 +#include <e32cmn.h>
    1.26 +
    1.27 +
    1.28 +CDebugBar* CDebugBar::NewL(CScreen * aScreen,const TRect& aScreenRect,TTimeIntervalMicroSeconds32 aRefreshInterval)
    1.29 +	{
    1.30 +	CDebugBar* self = new(ELeave) CDebugBar(aScreen,aScreenRect);
    1.31 +	CleanupStack::PushL(self);
    1.32 +	self->ConstructL(aRefreshInterval);
    1.33 +	CleanupStack::Pop(self);
    1.34 +	return self;
    1.35 +	}
    1.36 +
    1.37 +CDebugBar::~CDebugBar()
    1.38 +	{
    1.39 +	iScreen->ScreenDevice()->ReleaseFont(iFont);
    1.40 +	delete iTimer;
    1.41 +	}
    1.42 +	
    1.43 +CDebugBar::CDebugBar(CScreen * aScreen,const TRect& aScreenRect) : iScreen(aScreen), iScreenRect(aScreenRect)
    1.44 +	{
    1.45 +	}
    1.46 +	
    1.47 +void CDebugBar::ConstructL(TTimeIntervalMicroSeconds32 aRefreshInterval)
    1.48 +	{
    1.49 +	iTimer = CPeriodic::NewL(EPriorityNormal);
    1.50 +	iTimer->Start(TTimeIntervalMicroSeconds32(3000000),aRefreshInterval,TCallBack(RedrawDebugBarCallback, this));
    1.51 +	TFontSpec fspec(_L("DejaVu Sans Condensed"),9);
    1.52 +	User::LeaveIfError(iScreen->ScreenDevice()->GetNearestFontToDesignHeightInPixels(iFont, fspec));
    1.53 +	iBaseline = (iFont->BaselineOffsetInPixels() + iFont->AscentInPixels());
    1.54 +	}
    1.55 +	
    1.56 +const TRect& CDebugBar::Rect() const
    1.57 +	{
    1.58 +	return iScreenRect;
    1.59 +	}
    1.60 +
    1.61 +TBool CDebugBar::RedrawDebugBarCallback(TAny * aAny)
    1.62 +	{
    1.63 +	CDebugBar* self = reinterpret_cast<CDebugBar *>(aAny);
    1.64 +	self->iPolls++; //minus-out the events which cause this debug-bar to 'tick'
    1.65 +	self->RedrawDebugBar();
    1.66 +	self->iScreen->Update(TRegionFix<1>(self->iScreenRect));
    1.67 +	return ETrue;
    1.68 +	}
    1.69 +	
    1.70 +#include "walkwindowtree.h"	
    1.71 +#include "rootwin.h"
    1.72 +void CDebugBar::RedrawDebugBar() const
    1.73 +	{
    1.74 +	_LIT(KLine1Format, "KeyEvents %d; %Ld; WServ %.1f%%; Drawing %.1f%%; Reclaimed %.1f%%");
    1.75 +	_LIT(KLine2Format, "RedrawStore size %d3B; updates %d/s, pixels %d/s"); 
    1.76 +	CWsActiveScheduler* scheduler = CWsActiveScheduler::Static();
    1.77 +	TInt updatesPerSecond;
    1.78 +	TInt64 pixelsPerSecond;
    1.79 +	scheduler->DrawStats(updatesPerSecond,pixelsPerSecond,2);
    1.80 +	CFbsBitGc *gc = iScreen->ScreenGdi();
    1.81 +	gc->Reset();
    1.82 +	gc->SetDrawMode(CGraphicsContext::EDrawModePEN);
    1.83 +	gc->SetPenColor(KRgbWhite);
    1.84 +	gc->SetPenStyle(CGraphicsContext::ESolidPen);
    1.85 +	gc->SetBrushStyle(CGraphicsContext::ESolidBrush);
    1.86 +	gc->SetBrushColor(KRgbBlack);
    1.87 +	gc->DrawRect(iScreenRect);
    1.88 +	gc->UseFont(iFont);
    1.89 +	
    1.90 +	TInt64 wserv = scheduler->Total() - iLastTotal;
    1.91 +	TInt64 nonwserv = scheduler->Idle() - iLastIdle;
    1.92 +	TInt64 drawing = scheduler->Drawing() - iLastDrawing;
    1.93 +	TInt64 reclaimed = scheduler->ReclaimedIdleTime() - iLastReclaimedIdleTime;
    1.94 +	TReal wservPercent =  wserv+nonwserv? ((TReal)wserv / (TReal)(wserv + nonwserv)) * 100.0 : 0.0 ;
    1.95 +	TReal drawingPercent = wserv? ((TReal)drawing / (TReal)wserv) * 100.0: 0 ;
    1.96 +	TReal reclaimedPercent = wserv+nonwserv? ((TReal)reclaimed / (TReal)(wserv + nonwserv)) * 100.0: 100.0 ;
    1.97 +	
    1.98 +	TWalkWindowTreeRedrawStoreSize redrawStoreWalker;
    1.99 +	iScreen->RootWindow()->WalkWindowTree(redrawStoreWalker, EWalkChildrenAndBehind);
   1.100 +	
   1.101 +	TRect textRect(iScreenRect);
   1.102 +	textRect.SetHeight(textRect.Height() / 2);
   1.103 +	iBuf.Format(KLine1Format,iKeyEvents,scheduler->Requests()-iPolls,wservPercent,drawingPercent,reclaimedPercent);
   1.104 +	gc->DrawText(iBuf,textRect,iBaseline);
   1.105 +	
   1.106 +	textRect.Move(TPoint(0,textRect.Height()));
   1.107 +	iBuf.Format(KLine2Format,redrawStoreWalker.iTotalSize, updatesPerSecond, pixelsPerSecond);
   1.108 +	gc->DrawText(iBuf,textRect,iBaseline);
   1.109 +	
   1.110 +	gc->DiscardFont();
   1.111 +	
   1.112 +	iLastTotal=scheduler->Total();
   1.113 +	iLastIdle=scheduler->Idle();
   1.114 +	iLastDrawing=scheduler->Drawing();
   1.115 +	iLastReclaimedIdleTime=scheduler->ReclaimedIdleTime();
   1.116 +	}
   1.117 +
   1.118 +void CDebugBar::OnKeyEvent()
   1.119 +	{
   1.120 +	iKeyEvents++;
   1.121 +	RedrawDebugBar();
   1.122 +	iScreen->Update(TRegionFix<1>(iScreenRect));
   1.123 +	}
   1.124 +