diff -r 5db69f4c3d06 -r b048e15729d6 perfapps/perfmon/ui/avkon/src/perfmon_graphscontainer.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/perfapps/perfmon/ui/avkon/src/perfmon_graphscontainer.cpp	Fri Sep 03 17:11:21 2010 +0300
@@ -0,0 +1,233 @@
+/*
+* Copyright (c) 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:  
+*
+*/
+
+
+// INCLUDE FILES
+#include "perfmon_graphscontainer.h"
+#include "perfmon.hrh"
+#include "perfmon_document.h"
+#include "perfmon_appui.h"
+#include "perfmon_model.h"
+
+#include <AknUtils.h>
+
+const TInt KAmountOfMicroSecondsFitsScreen = 20 * 1000000;
+#define KRgbCustomGrey TRgb(0x808080)
+
+_LIT(K100p, "100%"); 
+_LIT(K50p, "50%"); 
+_LIT(K0p, "0%"); 
+
+_LIT(KPercentageFormat,"%S %d%%");
+
+const TInt KMicroToSecondMultiplier = 1000000;
+
+// ===================================== MEMBER FUNCTIONS =====================================
+
+void CPerfMonGraphsContainer::ConstructL(const TRect& aRect)
+    {
+    iModel = static_cast<CPerfMonDocument*>(reinterpret_cast<CEikAppUi*>(iEikonEnv->AppUi())->Document())->Model();
+    //iFont = AknLayoutUtils::FontFromId(EAknLogicalFontPrimarySmallFont);
+    iFont = LatinBold12();
+
+    CreateWindowL();
+    SetRect(aRect);
+    SetBlank();
+
+    ActivateL();
+    }
+
+// --------------------------------------------------------------------------------------------
+
+CPerfMonGraphsContainer::~CPerfMonGraphsContainer()
+    {
+    }
+    
+// --------------------------------------------------------------------------------------------
+
+void CPerfMonGraphsContainer::Draw(const TRect& aRect) const
+    {
+    // draw black background
+    CWindowGc& gc = SystemGc();
+    gc.SetBrushColor(KRgbBlack);
+    gc.Clear(aRect);
+    
+    // activate font and get size
+    gc.UseFont(iFont);
+    TUint fontSize = iFont->FontMaxHeight();
+    //TInt fontBaseOffset = iFont->DescentInPixels();
+    
+
+    // calculate time factor
+    TReal scaleFactor = (TReal) aRect.Width() / (TReal) KAmountOfMicroSecondsFitsScreen;
+
+    // calculate area height which is used to draw the grpahs
+    TInt drawAreaHeight = aRect.Height() - fontSize - fontSize;
+        
+    
+    // check if sample array has been constructed
+    if (iModel->SampleEntryArray())
+        {
+        
+        // draw vertical time lines first
+        TInt verticalBarPeriodInSecs = iModel->Settings().iGraphsVerticalBarPeriod;
+        
+        if (verticalBarPeriodInSecs >= 1 && iModel->SampleEntryArray()->At(0).iSampleDataArray->Count() > 0)
+            {
+            // get time from the first sample
+            TSampleData& firstSample = iModel->SampleEntryArray()->At(0).iSampleDataArray->At(0);
+            TInt64 currentMicroSeconds = firstSample.iTimeFromStart.Int64();
+            
+            // calculate amount of microseconds exceeding value by using the modulo operator
+            TInt remainderInMicroSeconds = currentMicroSeconds % (verticalBarPeriodInSecs * 1000000); 
+            
+            // calculate first x pos
+            TInt vbarXpos = aRect.Width() - (remainderInMicroSeconds * scaleFactor);
+            
+            // calculate the amount in seconds
+            TInt barSeconds = (currentMicroSeconds - remainderInMicroSeconds) / KMicroToSecondMultiplier;
+
+            
+            // continue drawing periodically the vertical lines
+            while (vbarXpos >= 0 && barSeconds >= 0)
+                {
+                // draw vertical line    
+                gc.SetPenColor(KRgbDarkRed);
+                gc.DrawLine(TPoint(vbarXpos,fontSize+1), TPoint(vbarXpos,aRect.Height()-fontSize));
+                
+                // draw seconds value
+                gc.SetPenColor(KRgbCustomGrey);
+                TBuf<16> secsBuf;
+                secsBuf.AppendNum(barSeconds);    
+                secsBuf.Append(_L("s"));
+                gc.DrawText(secsBuf, TPoint(vbarXpos-(iFont->TextWidthInPixels(secsBuf)/2), aRect.Height()));    
+
+                // calculate new position
+                vbarXpos -= verticalBarPeriodInSecs * 1000000 * scaleFactor;
+                barSeconds -= verticalBarPeriodInSecs;
+                }
+            }
+        
+        // draw the basic grid
+        gc.SetPenColor(KRgbCustomGrey);
+    
+        gc.DrawLine(TPoint(0,fontSize), TPoint(aRect.Width(),fontSize));  // upper line
+        gc.DrawText(K100p, TPoint(0,fontSize));
+    
+        gc.DrawLine(TPoint(0,aRect.Height()/2), TPoint(aRect.Width(),aRect.Height()/2));  // mid line
+        gc.DrawText(K50p, TPoint(0,aRect.Height()/2));
+    
+        gc.DrawLine(TPoint(0,aRect.Height()-fontSize), TPoint(aRect.Width(),aRect.Height()-fontSize));  // bottom line
+        gc.DrawText(K0p, TPoint(0,aRect.Height()-fontSize));
+
+        TInt c(0);
+            
+        // draw graphs for each sampled type
+        for (TInt i=0; i<iModel->SampleEntryArray()->Count(); i++)
+            {
+            // check if this setting has been enabled and it has some data
+            if (iModel->Settings().iGraphsSources.iSrcEnabled[iModel->SampleEntryPosToSettingPos(i)] && iModel->SampleEntryArray()->At(i).iSampleDataArray->Count() > 0)
+                {
+                // set pen color for the graph
+                gc.SetPenColor(iModel->SampleEntryArray()->At(i).iGraphColor);
+                
+                // remember the position where drawing started
+                /*TReal*/TInt currentXPos(aRect.Width()); // start drawing from right            
+                /*TReal*/TInt currentYPos(0);
+                
+                // draw samples
+                for (TInt j=0; j<iModel->SampleEntryArray()->At(i).iSampleDataArray->Count() - 1; j++)
+                    {
+                    TSampleData& currentSample = iModel->SampleEntryArray()->At(i).iSampleDataArray->At(j);
+                    TSampleData& previousSample = iModel->SampleEntryArray()->At(i).iSampleDataArray->At(j+1);
+                    
+                    // calculate X position for previous (j+1)
+                    /*TReal*/TInt previousXPos = currentXPos -
+                        ( (Abs(previousSample.iTimeFromStart.Int64() - currentSample.iTimeFromStart.Int64())) * scaleFactor );
+                    
+
+                    // calculate initial Y position
+                    if (j==0)
+                        {
+                        currentYPos = currentSample.iSize > 0 ? (TReal)(currentSample.iFree) / (TReal)currentSample.iSize * drawAreaHeight + fontSize : aRect.Height()-fontSize;
+                        }
+
+                    // calculate Y position for previous (j+1)
+                    /*TReal*/TInt previousYPos = previousSample.iSize > 0 ? (TReal)(previousSample.iFree) / (TReal)previousSample.iSize * drawAreaHeight + fontSize : aRect.Height()-fontSize; 
+                    
+                    
+                    // draw a line between the previous and current
+                    gc.DrawLine(TPoint((TInt)previousXPos,(TInt)previousYPos), TPoint((TInt)currentXPos,(TInt)currentYPos));
+                    
+                    
+                    // draw current value in %
+                    if (j==0) // draw the value of first sample
+                        {
+                        TBuf<16> buf;
+                        buf.Format(KPercentageFormat, &iModel->SampleEntryArray()->At(i).iDescription, currentSample.iSize > 0 ? TInt( (1 - ((TReal)(currentSample.iFree) / (TReal)currentSample.iSize)) * 100) : 0 );
+      
+                        gc.DrawText(buf, TPoint(0,fontSize+fontSize+c*fontSize));
+                        c++;                    
+                        }
+                    
+                    
+                    // stop drawing if we have run out of space
+                    if (previousXPos < 0)
+                        break;
+                    
+                    // remeber previous values
+                    currentXPos = previousXPos;
+                    currentYPos = previousYPos;
+                    }
+                }
+            }
+        }
+
+    gc.DiscardFont();        
+    }
+
+// --------------------------------------------------------------------------------------------
+
+TKeyResponse CPerfMonGraphsContainer::OfferKeyEventL(const TKeyEvent& aKeyEvent, TEventCode aType)
+    {
+    return CCoeControl::OfferKeyEventL(aKeyEvent, aType);
+    }
+        
+// --------------------------------------------------------------------------------------------
+
+void CPerfMonGraphsContainer::HandleResourceChange(TInt aType)
+    {
+    if (aType == KEikDynamicLayoutVariantSwitch)
+        {
+        TRect mainPaneRect;
+        AknLayoutUtils::LayoutMetricsRect(AknLayoutUtils::EMainPane, mainPaneRect);
+        SetRect(mainPaneRect);
+        }
+    else
+        CCoeControl::HandleResourceChange(aType);    
+    }
+
+// --------------------------------------------------------------------------------------------
+
+void CPerfMonGraphsContainer::DrawUpdate()
+    {
+    DrawDeferred();    
+    }
+    
+// --------------------------------------------------------------------------------------------
+            
+// End of File