1 /* |
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2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 |
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18 |
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19 // INCLUDE FILES |
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20 #include "perfmon_graphscontainer.h" |
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21 #include "perfmon.hrh" |
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22 #include "perfmon_document.h" |
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23 #include "perfmon_appui.h" |
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24 #include "perfmon_model.h" |
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25 |
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26 #include <AknUtils.h> |
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27 |
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28 const TInt KAmountOfMicroSecondsFitsScreen = 20 * 1000000; |
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29 #define KRgbCustomGrey TRgb(0x808080) |
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30 |
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31 _LIT(K100p, "100%"); |
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32 _LIT(K50p, "50%"); |
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33 _LIT(K0p, "0%"); |
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34 |
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35 _LIT(KPercentageFormat,"%S %d%%"); |
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36 |
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37 const TInt KMicroToSecondMultiplier = 1000000; |
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38 |
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39 // ===================================== MEMBER FUNCTIONS ===================================== |
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40 |
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41 void CPerfMonGraphsContainer::ConstructL(const TRect& aRect) |
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42 { |
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43 iModel = static_cast<CPerfMonDocument*>(reinterpret_cast<CEikAppUi*>(iEikonEnv->AppUi())->Document())->Model(); |
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44 //iFont = AknLayoutUtils::FontFromId(EAknLogicalFontPrimarySmallFont); |
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45 iFont = LatinBold12(); |
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46 |
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47 CreateWindowL(); |
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48 SetRect(aRect); |
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49 SetBlank(); |
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50 |
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51 ActivateL(); |
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52 } |
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53 |
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54 // -------------------------------------------------------------------------------------------- |
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55 |
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56 CPerfMonGraphsContainer::~CPerfMonGraphsContainer() |
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57 { |
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58 } |
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59 |
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60 // -------------------------------------------------------------------------------------------- |
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61 |
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62 void CPerfMonGraphsContainer::Draw(const TRect& aRect) const |
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63 { |
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64 // draw black background |
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65 CWindowGc& gc = SystemGc(); |
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66 gc.SetBrushColor(KRgbBlack); |
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67 gc.Clear(aRect); |
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68 |
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69 // activate font and get size |
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70 gc.UseFont(iFont); |
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71 TUint fontSize = iFont->FontMaxHeight(); |
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72 //TInt fontBaseOffset = iFont->DescentInPixels(); |
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73 |
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74 |
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75 // calculate time factor |
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76 TReal scaleFactor = (TReal) aRect.Width() / (TReal) KAmountOfMicroSecondsFitsScreen; |
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77 |
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78 // calculate area height which is used to draw the grpahs |
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79 TInt drawAreaHeight = aRect.Height() - fontSize - fontSize; |
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80 |
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81 |
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82 // check if sample array has been constructed |
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83 if (iModel->SampleEntryArray()) |
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84 { |
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85 |
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86 // draw vertical time lines first |
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87 TInt verticalBarPeriodInSecs = iModel->Settings().iGraphsVerticalBarPeriod; |
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88 |
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89 if (verticalBarPeriodInSecs >= 1 && iModel->SampleEntryArray()->At(0).iSampleDataArray->Count() > 0) |
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90 { |
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91 // get time from the first sample |
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92 TSampleData& firstSample = iModel->SampleEntryArray()->At(0).iSampleDataArray->At(0); |
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93 TInt64 currentMicroSeconds = firstSample.iTimeFromStart.Int64(); |
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94 |
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95 // calculate amount of microseconds exceeding value by using the modulo operator |
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96 TInt remainderInMicroSeconds = currentMicroSeconds % (verticalBarPeriodInSecs * 1000000); |
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97 |
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98 // calculate first x pos |
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99 TInt vbarXpos = aRect.Width() - (remainderInMicroSeconds * scaleFactor); |
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100 |
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101 // calculate the amount in seconds |
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102 TInt barSeconds = (currentMicroSeconds - remainderInMicroSeconds) / KMicroToSecondMultiplier; |
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103 |
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104 |
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105 // continue drawing periodically the vertical lines |
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106 while (vbarXpos >= 0 && barSeconds >= 0) |
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107 { |
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108 // draw vertical line |
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109 gc.SetPenColor(KRgbDarkRed); |
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110 gc.DrawLine(TPoint(vbarXpos,fontSize+1), TPoint(vbarXpos,aRect.Height()-fontSize)); |
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111 |
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112 // draw seconds value |
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113 gc.SetPenColor(KRgbCustomGrey); |
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114 TBuf<16> secsBuf; |
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115 secsBuf.AppendNum(barSeconds); |
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116 secsBuf.Append(_L("s")); |
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117 gc.DrawText(secsBuf, TPoint(vbarXpos-(iFont->TextWidthInPixels(secsBuf)/2), aRect.Height())); |
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118 |
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119 // calculate new position |
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120 vbarXpos -= verticalBarPeriodInSecs * 1000000 * scaleFactor; |
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121 barSeconds -= verticalBarPeriodInSecs; |
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122 } |
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123 } |
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124 |
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125 // draw the basic grid |
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126 gc.SetPenColor(KRgbCustomGrey); |
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127 |
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128 gc.DrawLine(TPoint(0,fontSize), TPoint(aRect.Width(),fontSize)); // upper line |
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129 gc.DrawText(K100p, TPoint(0,fontSize)); |
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130 |
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131 gc.DrawLine(TPoint(0,aRect.Height()/2), TPoint(aRect.Width(),aRect.Height()/2)); // mid line |
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132 gc.DrawText(K50p, TPoint(0,aRect.Height()/2)); |
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133 |
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134 gc.DrawLine(TPoint(0,aRect.Height()-fontSize), TPoint(aRect.Width(),aRect.Height()-fontSize)); // bottom line |
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135 gc.DrawText(K0p, TPoint(0,aRect.Height()-fontSize)); |
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136 |
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137 TInt c(0); |
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138 |
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139 // draw graphs for each sampled type |
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140 for (TInt i=0; i<iModel->SampleEntryArray()->Count(); i++) |
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141 { |
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142 // check if this setting has been enabled and it has some data |
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143 if (iModel->Settings().iGraphsSources.iSrcEnabled[i] && iModel->SampleEntryArray()->At(i).iSampleDataArray->Count() > 0) |
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144 { |
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145 // set pen color for the graph |
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146 gc.SetPenColor(iModel->SampleEntryArray()->At(i).iGraphColor); |
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147 |
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148 // remember the position where drawing started |
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149 /*TReal*/TInt currentXPos(aRect.Width()); // start drawing from right |
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150 /*TReal*/TInt currentYPos(0); |
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151 |
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152 // draw samples |
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153 for (TInt j=0; j<iModel->SampleEntryArray()->At(i).iSampleDataArray->Count() - 1; j++) |
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154 { |
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155 TSampleData& currentSample = iModel->SampleEntryArray()->At(i).iSampleDataArray->At(j); |
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156 TSampleData& previousSample = iModel->SampleEntryArray()->At(i).iSampleDataArray->At(j+1); |
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157 |
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158 // calculate X position for previous (j+1) |
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159 /*TReal*/TInt previousXPos = currentXPos - |
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160 ( (Abs(previousSample.iTimeFromStart.Int64() - currentSample.iTimeFromStart.Int64())) * scaleFactor ); |
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161 |
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162 |
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163 // calculate initial Y position |
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164 if (j==0) |
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165 { |
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166 currentYPos = currentSample.iSize > 0 ? (TReal)(currentSample.iFree) / (TReal)currentSample.iSize * drawAreaHeight + fontSize : aRect.Height()-fontSize; |
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167 } |
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168 |
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169 // calculate Y position for previous (j+1) |
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170 /*TReal*/TInt previousYPos = previousSample.iSize > 0 ? (TReal)(previousSample.iFree) / (TReal)previousSample.iSize * drawAreaHeight + fontSize : aRect.Height()-fontSize; |
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171 |
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172 |
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173 // draw a line between the previous and current |
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174 gc.DrawLine(TPoint((TInt)previousXPos,(TInt)previousYPos), TPoint((TInt)currentXPos,(TInt)currentYPos)); |
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175 |
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176 |
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177 // draw current value in % |
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178 if (j==0) // draw the value of first sample |
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179 { |
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180 TBuf<16> buf; |
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181 buf.Format(KPercentageFormat, &iModel->SampleEntryArray()->At(i).iDescription, currentSample.iSize > 0 ? TInt( (1 - ((TReal)(currentSample.iFree) / (TReal)currentSample.iSize)) * 100) : 0 ); |
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182 |
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183 gc.DrawText(buf, TPoint(0,fontSize+fontSize+c*fontSize)); |
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184 c++; |
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185 } |
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186 |
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187 |
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188 // stop drawing if we have run out of space |
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189 if (previousXPos < 0) |
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190 break; |
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191 |
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192 // remeber previous values |
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193 currentXPos = previousXPos; |
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194 currentYPos = previousYPos; |
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195 } |
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196 } |
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197 } |
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198 } |
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199 |
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200 gc.DiscardFont(); |
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201 } |
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202 |
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203 // -------------------------------------------------------------------------------------------- |
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204 |
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205 TKeyResponse CPerfMonGraphsContainer::OfferKeyEventL(const TKeyEvent& aKeyEvent, TEventCode aType) |
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206 { |
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207 return CCoeControl::OfferKeyEventL(aKeyEvent, aType); |
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208 } |
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209 |
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210 // -------------------------------------------------------------------------------------------- |
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211 |
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212 void CPerfMonGraphsContainer::HandleResourceChange(TInt aType) |
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213 { |
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214 if (aType == KEikDynamicLayoutVariantSwitch) |
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215 { |
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216 TRect mainPaneRect; |
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217 AknLayoutUtils::LayoutMetricsRect(AknLayoutUtils::EMainPane, mainPaneRect); |
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218 SetRect(mainPaneRect); |
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219 } |
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220 else |
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221 CCoeControl::HandleResourceChange(aType); |
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222 } |
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223 |
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224 // -------------------------------------------------------------------------------------------- |
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225 |
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226 void CPerfMonGraphsContainer::DrawUpdate() |
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227 { |
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228 DrawDeferred(); |
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229 } |
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230 |
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231 // -------------------------------------------------------------------------------------------- |
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232 |
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233 // End of File |
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