--- /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