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1 /* |
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2 * Copyright (c) 2006-2007 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: Implementation of CHuiRosterImpl. CHuiRosterImpl implements |
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15 * the interface defined by CHuiRoster. |
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16 * |
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17 */ |
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18 |
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19 |
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20 |
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21 #include "HuiRosterImpl.h" // Class definition |
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22 #include "HuiRosterEntry.h" |
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23 #include "uiacceltk/HuiEnv.h" |
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24 #include "uiacceltk/HuiControlGroup.h" |
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25 #include "uiacceltk/HuiControl.h" |
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26 #include "uiacceltk/HuiDisplay.h" |
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27 #include "uiacceltk/HuiEvent.h" |
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28 #include "uiacceltk/HuiTransformation.h" |
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29 #include "uiacceltk/HuiPanic.h" |
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30 #include "uiacceltk/HuiUtil.h" |
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31 #include "uiacceltk/HuiProbe.h" |
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32 #include "uiacceltk/HuiCanvasVisual.h" |
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33 #include "huilongtapdetector.h" |
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34 #include "HuiFxEffect.h" |
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35 #include "huieffectable.h" |
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36 #include "huicanvasrenderbuffer.h" |
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37 #include "huicanvasgc.h" |
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38 #include "HuiRenderPlugin.h" |
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39 |
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40 #ifdef RD_TACTILE_FEEDBACK |
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41 #include <touchfeedback.h> |
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42 #endif //RD_TACTILE_FEEDBACK |
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43 |
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44 const TReal32 KHuiVisualOutlineWidth = 1.f; |
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45 |
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46 struct THuiPointerEventDetails |
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47 { |
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48 MHuiEventHandler* iEventHandler; |
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49 THuiXYMetric iXYMetric; |
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50 TBool iDisableLongTapWhenDragging; |
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51 TBool iDragging; |
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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 CHuiRosterImpl::CHuiRosterImpl(CHuiDisplay* aDisplay) |
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57 : iDisplay(aDisplay), iInitialDownEvent(NULL), iEffectOpacity(1.f) |
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58 { |
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59 } |
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60 |
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61 CHuiRosterImpl::~CHuiRosterImpl() |
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62 { |
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63 FreezeVisibleContentL(EFalse); |
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64 |
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65 delete iLongTapDetector; |
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66 iEntries.ResetAndDestroy(); |
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67 iPointerDragObservers.Close(); |
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68 iDisplay = NULL; |
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69 iInputFocus = NULL; |
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70 iUnhandledPointerObservers.Close(); |
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71 iLongTapObservers.Close(); |
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72 while(iPointerEventDetails.Count()>0) |
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73 { |
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74 delete iPointerEventDetails[0]; |
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75 iPointerEventDetails.Remove(0); |
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76 } |
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77 iPointerEventDetails.ResetAndDestroy(); |
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78 } |
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79 |
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80 |
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81 void CHuiRosterImpl::SetDisplay(CHuiDisplay* aDisplay) |
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82 { |
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83 iDisplay = aDisplay; |
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84 } |
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85 |
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86 |
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87 void CHuiRosterImpl::SetRect(const TRect& aRect) |
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88 { |
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89 iRect = TRect(0, 0, aRect.Width(), aRect.Height()); |
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90 UpdateLayout(); |
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91 |
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92 SetChanged(); |
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93 } |
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94 |
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95 |
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96 TRect CHuiRosterImpl::Rect() const |
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97 { |
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98 return(iRect); |
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99 } |
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100 |
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101 |
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102 void CHuiRosterImpl::ShowL(CHuiControlGroup& aGroup, TInt aWhere) |
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103 { |
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104 // If the group is already shown on the display, just adjust its position |
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105 // according to the parameters. |
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106 if(Find(&aGroup) != KErrNotFound) |
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107 { |
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108 // It is already shown. Only adjust position. |
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109 TInt newPos = aWhere; |
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110 if(newPos == KHuiRosterShowAtTop) |
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111 { |
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112 newPos = Count() - 1; |
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113 } |
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114 else if(newPos == KHuiRosterShowAtBottom) |
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115 { |
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116 newPos = 0; |
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117 } |
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118 else |
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119 { |
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120 // for PC lint |
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121 } |
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122 Move(&aGroup, newPos); |
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123 return; |
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124 } |
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125 |
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126 if(aWhere == KHuiRosterShowAtTop) |
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127 { |
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128 // Put the group on top of the roster. |
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129 AppendL(&aGroup); |
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130 } |
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131 else if(aWhere == KHuiRosterShowAtBottom) |
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132 { |
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133 InsertL(&aGroup, 0); |
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134 } |
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135 else |
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136 { |
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137 InsertL(&aGroup, aWhere); |
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138 } |
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139 |
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140 // The group will automatically accept input events once shown. |
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141 aGroup.SetAcceptInput(ETrue); |
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142 |
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143 // Show all the controls of the group. |
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144 for(TInt i = 0; i < aGroup.Count(); ++i) |
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145 { |
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146 aGroup.Control(i).ShowL(*iDisplay); |
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147 } |
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148 } |
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149 |
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150 |
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151 void CHuiRosterImpl::Hide(CHuiControlGroup& aGroup) |
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152 { |
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153 // Hide all the controls of the group. |
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154 for(TInt i = 0; i < aGroup.Count(); ++i) |
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155 { |
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156 aGroup.Control(i).Hide(*iDisplay); |
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157 } |
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158 |
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159 Remove(&aGroup); |
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160 } |
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161 |
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162 |
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163 void CHuiRosterImpl::AppendL(CHuiControlGroup* aGroup) |
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164 { |
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165 ASSERT( aGroup ); |
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166 CHuiRosterEntry* entry = new (ELeave) CHuiRosterEntry(*aGroup); |
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167 CleanupStack::PushL(entry); |
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168 User::LeaveIfError(iEntries.Append(entry)); |
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169 CleanupStack::Pop(entry); |
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170 |
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171 if(iDisplay) |
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172 { |
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173 iDisplay->Env().ContinueRefresh(); |
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174 } |
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175 |
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176 SetChanged(); |
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177 } |
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178 |
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179 |
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180 void CHuiRosterImpl::InsertL(CHuiControlGroup* aGroup, TInt aPos) |
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181 { |
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182 ASSERT( aGroup ); |
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183 if(Find(aGroup) != KErrNotFound) |
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184 { |
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185 User::Leave(KErrAlreadyExists); |
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186 } |
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187 |
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188 CHuiRosterEntry* entry = new (ELeave) CHuiRosterEntry(*aGroup); |
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189 CleanupStack::PushL(entry); |
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190 User::LeaveIfError(iEntries.Insert(entry, aPos)); |
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191 CleanupStack::Pop(entry); |
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192 |
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193 if(iDisplay) |
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194 { |
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195 iDisplay->Env().ContinueRefresh(); |
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196 } |
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197 |
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198 SetChanged(); |
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199 } |
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200 |
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201 void CHuiRosterImpl::Move(CHuiVisual* aVisual, TInt aPos) |
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202 { |
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203 CHuiRosterEntry* entry = EntryForVisual(aVisual); |
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204 if (entry) |
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205 { |
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206 Move(&entry->ControlGroup(), aPos); |
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207 } |
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208 } |
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209 |
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210 void CHuiRosterImpl::Move(CHuiControlGroup* aGroup, TInt aPos) |
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211 { |
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212 TInt index = Find(aGroup); |
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213 TInt k = 0; |
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214 |
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215 if(index != KErrNotFound && index != aPos) |
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216 { |
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217 CHuiRosterEntry* moving = iEntries[index]; |
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218 |
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219 if(aPos > index) |
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220 { |
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221 for(k = index; k < aPos; ++k) |
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222 { |
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223 iEntries[k] = iEntries[k + 1]; |
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224 } |
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225 } |
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226 else |
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227 { |
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228 for(k = index; k > aPos; --k) |
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229 { |
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230 iEntries[k] = iEntries[k - 1]; |
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231 } |
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232 } |
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233 iEntries[aPos] = moving; |
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234 } |
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235 |
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236 if(iDisplay) |
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237 { |
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238 iDisplay->Env().ContinueRefresh(); |
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239 } |
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240 |
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241 SetChanged(); |
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242 } |
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243 |
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244 |
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245 TInt CHuiRosterImpl::Find(CHuiControlGroup* aGroup) const |
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246 { |
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247 for(TInt i = 0; i < iEntries.Count(); ++i) |
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248 { |
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249 if(&iEntries[i]->ControlGroup() == aGroup) |
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250 { |
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251 return i; |
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252 } |
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253 } |
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254 return KErrNotFound; |
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255 } |
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256 |
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257 |
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258 void CHuiRosterImpl::Remove(CHuiControlGroup* aGroup) |
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259 { |
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260 TInt index = Find(aGroup); |
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261 if(index != KErrNotFound) |
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262 { |
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263 delete iEntries[index]; |
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264 iEntries.Remove(index); |
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265 |
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266 if(iDisplay) |
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267 { |
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268 iDisplay->Env().ContinueRefresh(); |
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269 } |
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270 |
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271 SetChanged(); |
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272 } |
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273 } |
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274 |
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275 |
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276 TInt CHuiRosterImpl::Count() const |
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277 { |
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278 return iEntries.Count(); |
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279 } |
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280 |
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281 |
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282 CHuiControlGroup& CHuiRosterImpl::ControlGroup(TInt aIndex) const |
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283 { |
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284 return iEntries[aIndex]->ControlGroup(); |
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285 } |
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286 |
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287 |
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288 CHuiControl* CHuiRosterImpl::FindControl(TInt aControlId) const |
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289 { |
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290 CHuiControl* control = 0; |
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291 for(TInt i = 0; i < iEntries.Count(); ++i) |
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292 { |
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293 control = iEntries[i]->ControlGroup().FindControl(aControlId); |
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294 if(control) |
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295 { |
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296 break; |
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297 } |
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298 } |
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299 return control; |
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300 } |
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301 |
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302 |
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303 CHuiRosterEntry* CHuiRosterImpl::EntryForVisual(const CHuiVisual* aVisual) |
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304 { |
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305 ASSERT( aVisual != NULL ); |
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306 CHuiControlGroup* group = aVisual->Owner().ControlGroup(); |
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307 TInt index = Find(group); |
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308 if(index == KErrNotFound) |
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309 { |
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310 // The group is not in this roster. |
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311 return NULL; |
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312 } |
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313 return iEntries[index]; |
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314 } |
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315 |
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316 |
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317 void CHuiRosterImpl::ShowVisualL(CHuiVisual* aVisual) |
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318 { |
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319 CHuiRosterEntry* entry = EntryForVisual(aVisual); |
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320 |
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321 if(!entry) |
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322 { |
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323 User::Leave(KErrNotFound); |
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324 } |
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325 |
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326 if(entry->iRootVisuals.Find(aVisual) != KErrNotFound) |
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327 { |
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328 User::Leave(KErrAlreadyExists); |
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329 } |
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330 |
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331 User::LeaveIfError( entry->iRootVisuals.Append(aVisual) ); |
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332 |
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333 SetVisualToFullArea(aVisual); |
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334 } |
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335 |
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336 |
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337 void CHuiRosterImpl::HideVisual(CHuiVisual* aVisual) |
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338 { |
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339 ASSERT( aVisual ); |
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340 aVisual->SetDisplay(NULL); |
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341 |
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342 CHuiRosterEntry* entry = EntryForVisual(aVisual); |
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343 if(entry) |
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344 { |
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345 TInt index = entry->iRootVisuals.Find(aVisual); |
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346 if(index != KErrNotFound) // do nothing if visual was not found |
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347 { |
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348 entry->iRootVisuals.Remove(index); |
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349 |
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350 if(iDisplay) |
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351 { |
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352 iDisplay->Env().ContinueRefresh(); |
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353 } |
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354 } |
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355 } |
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356 } |
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357 |
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358 |
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359 void CHuiRosterImpl::SetFocus(CHuiControl& aControl) |
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360 { |
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361 ChangeInputFocus(&aControl); |
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362 } |
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363 |
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364 |
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365 void CHuiRosterImpl::ClearFocus() |
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366 { |
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367 ChangeInputFocus(NULL); |
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368 } |
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369 |
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370 |
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371 void CHuiRosterImpl::ChangeInputFocus(CHuiControl* aControl) |
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372 { |
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373 if(aControl) |
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374 { |
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375 // The control must be in one of groups of the roster. |
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376 CHuiControl* control = FindControl(aControl->Id()); |
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377 if(control != aControl) |
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378 { |
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379 // Illegal focus. |
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380 return; |
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381 } |
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382 } |
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383 |
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384 iInputFocus = aControl; |
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385 } |
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386 |
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387 TBool CHuiRosterImpl::PrepareDraw() const |
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388 { |
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389 HUI_PROBE_PROGRAMFLOW_ENTER(MHuiProbe::EProgramFlowPointRefreshPrepareDraw) |
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390 |
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391 TInt i = 0; |
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392 TInt j = 0; |
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393 |
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394 TInt visualCount = 0; |
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395 TInt entryCount = iEntries.Count(); |
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396 // Prepare the visuals tree in the display. |
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397 for(j = 0; j < entryCount; ++j) |
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398 { |
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399 CHuiRosterEntry& entry = *iEntries[j]; |
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400 |
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401 visualCount = entry.iRootVisuals.Count(); |
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402 for(i = 0; i < visualCount; ++i) |
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403 { |
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404 CHuiVisual* visual = entry.iRootVisuals[i]; |
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405 //Ignore inactive visuals |
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406 if ( visual->Flags()& EHuiVisualFlagInactive ) |
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407 { |
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408 continue; |
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409 } |
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410 TBool successfullyPrepared = ETrue; |
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411 TRAPD(err, successfullyPrepared = visual->PrepareDrawL()); |
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412 if (err != KErrNone) |
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413 { |
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414 // Handle the error by calling the visual owner |
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415 // errorhandling callback |
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416 visual->Owner().VisualPrepareDrawFailed(*visual, err); |
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417 |
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418 HUI_PROBE_PROGRAMFLOW_EXIT(MHuiProbe::EProgramFlowPointRefreshPrepareDraw) |
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419 return EFalse; |
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420 } |
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421 if (!successfullyPrepared) |
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422 { |
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423 // we can stop preparing the rest of the root visuals |
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424 // if one prepare failed (we won't be drawing |
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425 // anything anyway) |
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426 |
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427 // also if the prepare failed but it didn't leave, |
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428 // we assume it was already handled |
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429 |
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430 HUI_PROBE_PROGRAMFLOW_EXIT(MHuiProbe::EProgramFlowPointRefreshPrepareDraw) |
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431 return EFalse; |
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432 } |
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433 } |
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434 } |
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435 |
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436 HUI_PROBE_PROGRAMFLOW_EXIT(MHuiProbe::EProgramFlowPointRefreshPrepareDraw) |
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437 return ETrue; |
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438 } |
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439 |
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440 |
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441 void CHuiRosterImpl::Draw(CHuiGc& aGc) const |
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442 { |
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443 Draw(aGc, NULL); |
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444 } |
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445 |
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446 void CHuiRosterImpl::Draw(CHuiGc& aGc, CHuiDisplay* aDisplay) const |
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447 { |
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448 CHuiDisplay* display = aDisplay ? aDisplay : iDisplay; |
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449 THuiRealRect displayRect = display->VisibleArea(); |
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450 TBool refreshCache = ETrue; // TODO: Could this be optimized ? |
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451 TBool opaque = EFalse; |
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452 |
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453 // Init projection matrix |
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454 aGc.LoadIdentity(EHuiGcMatrixProjection); |
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455 |
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456 // Init model matrix |
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457 aGc.LoadIdentity(EHuiGcMatrixModel); |
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458 |
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459 // Set up display-specifc window transformations e.g. scaling for tv out |
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460 aGc.SetWindowTransformation(&(display->WindowTransformation())); |
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461 aGc.UpdateProjection(); |
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462 |
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463 TBool didDrawEffect = EFalse; |
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464 if (iEffect) |
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465 { |
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466 //RDebug::Print(_L("CHuiRosterImpl::Draw trying to use effect")); |
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467 TRgb oldColor = aGc.PenColor(); |
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468 TInt oldAlpha = aGc.PenAlpha(); |
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469 |
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470 // Clear |
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471 aGc.SetPenColor(KRgbBlack); |
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472 aGc.SetPenAlpha(0); |
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473 aGc.Disable(CHuiGc::EFeatureBlending); |
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474 aGc.Disable(CHuiGc::EFeatureClipping); |
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475 aGc.Clear(); |
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476 |
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477 // Restore Gc values |
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478 aGc.SetPenColor(oldColor); |
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479 aGc.SetPenAlpha(oldAlpha); |
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480 aGc.Enable(CHuiGc::EFeatureBlending); |
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481 aGc.Enable(CHuiGc::EFeatureClipping); |
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482 |
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483 // Note: Opacity implementation in effect system does not really work visually |
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484 // correct if there are semitransparent child windows. Child window opacity becomes too |
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485 // large, because opacity is applied during visual tree drawing and thus blending child |
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486 // visuals on top of the parent produces wrong transparency level. |
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487 // |
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488 // We workaround this issue here so that we force rendering to cached render |
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489 // target (with opacity 255) and give the real opacity as a parameter to effect |
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490 // drawing so the whole operation gets correct opacity. However there is possibility |
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491 // that complex effect fxml would assume transparency to be handled *before* |
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492 // some other part of the effect, so this workaround won't work correctly in those cases. |
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493 // To get those working, propably whole opacity effect handling should be re-written |
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494 // differently. |
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495 if (iEffect->IsSemitransparent() || iEffectOpacity < 1.f) |
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496 { |
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497 iEffect->ForceCachedRenderTargetUsage(ETrue); |
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498 } |
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499 RRegion dummy; |
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500 didDrawEffect = iEffect->CachedDraw(aGc, displayRect, refreshCache, opaque, dummy, iEffectOpacity*255); |
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501 dummy.Close(); |
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502 } |
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503 |
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504 if (!didDrawEffect) |
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505 { |
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506 DrawSelf(aGc, aDisplay); |
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507 } |
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508 else |
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509 { |
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510 // Effect was drawn, OpenGLES/OpenVG may be in different state than what Gc thinks so we restore it. |
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511 aGc.RestoreState(); |
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512 } |
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513 |
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514 // Undo display-specifc window transformations |
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515 aGc.SetWindowTransformation(NULL); |
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516 aGc.UpdateProjection(); |
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517 |
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518 // Undo changes to model matrix |
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519 aGc.LoadIdentity(EHuiGcMatrixModel); |
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520 } |
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521 |
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522 void CHuiRosterImpl::DrawSelf(CHuiGc& aGc, CHuiDisplay* aDisplay) const |
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523 { |
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524 HUI_PROBE_PROGRAMFLOW_ENTER(MHuiProbe::EProgramFlowPointRefreshDraw) |
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525 |
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526 TInt i = 0; |
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527 TInt j = 0; |
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528 |
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529 CHuiDisplay* display = aDisplay ? aDisplay : iDisplay; |
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530 |
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531 if (iCanvasRenderBuffer && iCanvasGc) |
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532 { |
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533 DrawSelfFrozen(aGc, aDisplay); |
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534 return; |
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535 } |
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536 |
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537 TInt visualCount = 0; |
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538 TInt entryCount = iEntries.Count(); |
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539 // Draw the visuals tree in the display. |
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540 for(j = 0; j < entryCount; ++j) |
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541 { |
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542 CHuiRosterEntry& entry = *iEntries[j]; |
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543 CHuiControlGroup& group = entry.ControlGroup(); |
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544 |
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545 // Init model matrix always for every group |
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546 //aGc.LoadIdentity(EHuiGcMatrixModel); |
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547 aGc.Push(EHuiGcMatrixModel); |
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548 |
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549 // Set up display-specifc transformations i.e. camera transformations |
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550 display->Transformation().Execute(EHuiGcMatrixModel, aGc); |
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551 |
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552 // Set up a group-specific transformation. |
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553 if(group.IsTransformed()) |
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554 { |
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555 group.Transformation().Execute(EHuiGcMatrixModel, aGc); |
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556 } |
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557 |
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558 // Draw visuals |
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559 visualCount = entry.iRootVisuals.Count(); |
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560 for(i = 0; i < visualCount; ++i) |
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561 { |
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562 CHuiVisual* visual = entry.iRootVisuals[i]; |
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563 //Ignore inactive visuals |
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564 if ( visual->Flags()& EHuiVisualFlagInactive || visual->LoadingEffect() ) |
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565 { |
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566 continue; |
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567 } |
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568 visual->Draw(aGc); |
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569 } |
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570 |
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571 if( display->DrawVisualOutline() != CHuiDisplay::EDrawVisualOutlineNone ) |
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572 { |
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573 for(i = 0; i < visualCount; ++i) |
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574 { |
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575 // Draw Visual Outline depending on central repository setting |
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576 // and visual flag value |
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577 const TBool drawOutline = |
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578 ( entry.iRootVisuals[i]->Flags() & EHuiVisualFlagEnableDebugMode ) || |
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579 ( display->DrawVisualOutline() == CHuiDisplay::EDrawVisualOutlineAllVisuals ); |
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580 |
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581 DrawBoundaries( aGc, entry.iRootVisuals[i], drawOutline ); |
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582 } |
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583 } |
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584 |
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585 aGc.Pop(EHuiGcMatrixModel); |
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586 } |
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587 |
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588 HUI_PROBE_PROGRAMFLOW_EXIT(MHuiProbe::EProgramFlowPointRefreshDraw) |
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589 } |
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590 |
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591 void CHuiRosterImpl::DrawSelfFrozen(CHuiGc& aGc, CHuiDisplay* aDisplay) const |
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592 { |
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593 if (iCanvasGc && iCanvasRenderBuffer) |
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594 { |
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595 iCanvasGc->SetGc(aGc); |
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596 iCanvasGc->SetDefaults(); |
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597 iCanvasGc->PushTransformationMatrix(); |
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598 |
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599 // Calculate rotation as relative to the current display rotation. |
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600 CHuiGc::TOrientation relativeOrientation = CHuiGc::EOrientationNormal; |
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601 CHuiGc::TOrientation displayOrientation = aDisplay->Orientation(); |
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602 CHuiGc::TOrientation renderBufferOrientation = iCanvasRenderBufferOrientation; |
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603 |
|
604 TInt rotationAngle[] = |
|
605 { |
|
606 0, |
|
607 270, |
|
608 90, |
|
609 180 |
|
610 }; |
|
611 |
|
612 TInt displayOrientationAngle = rotationAngle[displayOrientation]; |
|
613 TInt renderBufferOrientationAngle = rotationAngle[renderBufferOrientation]; |
|
614 TInt relativeOrientationAngle = renderBufferOrientationAngle - displayOrientationAngle; |
|
615 |
|
616 // Check over/underflow |
|
617 if (relativeOrientationAngle > 360) |
|
618 { |
|
619 relativeOrientationAngle -= 360; |
|
620 } |
|
621 else if (relativeOrientationAngle < 0) |
|
622 { |
|
623 relativeOrientationAngle += 360; |
|
624 } |
|
625 |
|
626 switch (relativeOrientationAngle) |
|
627 { |
|
628 case 0: |
|
629 { |
|
630 relativeOrientation = CHuiGc::EOrientationNormal; |
|
631 break; |
|
632 } |
|
633 case 90: |
|
634 { |
|
635 relativeOrientation = CHuiGc::EOrientationCW90; |
|
636 break; |
|
637 } |
|
638 case 270: |
|
639 { |
|
640 relativeOrientation = CHuiGc::EOrientationCCW90; |
|
641 break; |
|
642 } |
|
643 case 180: |
|
644 { |
|
645 relativeOrientation = CHuiGc::EOrientation180; |
|
646 break; |
|
647 } |
|
648 default: |
|
649 { |
|
650 // As usual, this should not happen...but just in case it does use normal rotation |
|
651 relativeOrientation = CHuiGc::EOrientationNormal; |
|
652 break; |
|
653 } |
|
654 } |
|
655 |
|
656 TRect displayArea = aDisplay->VisibleArea(); |
|
657 TInt w = displayArea.Width(); |
|
658 TInt h = displayArea.Height(); |
|
659 |
|
660 |
|
661 // ...select right rotation... |
|
662 if (relativeOrientation == CHuiGc::EOrientationCW90) |
|
663 { |
|
664 // Rotate around origo and move back to displayarea |
|
665 iCanvasGc->Rotate(-90, 0, 0, 1.f); |
|
666 iCanvasGc->Translate(-h, 0, 0); |
|
667 } |
|
668 else if (relativeOrientation == CHuiGc::EOrientationCCW90) |
|
669 { |
|
670 // Rotate around origo and move back to displayarea |
|
671 iCanvasGc->Rotate(90, 0, 0, 1.f); |
|
672 iCanvasGc->Translate(0, -w, 0); |
|
673 } |
|
674 else if (relativeOrientation == CHuiGc::EOrientation180) |
|
675 { |
|
676 // Rotate around origo and move back to displayarea |
|
677 iCanvasGc->Rotate(180, 0, 0, 1.f); |
|
678 iCanvasGc->Translate(-w, -h, 0); |
|
679 } |
|
680 else |
|
681 { |
|
682 // Nothing |
|
683 } |
|
684 |
|
685 // Pixels are upside down in OpenVG canvas render buffer |
|
686 if (CHuiStatic::Env().Renderer() == EHuiRendererVg10) |
|
687 { |
|
688 TInt height = h; |
|
689 if (relativeOrientation == CHuiGc::EOrientationCW90 || relativeOrientation == CHuiGc::EOrientationCCW90) |
|
690 { |
|
691 height = w; |
|
692 } |
|
693 iCanvasGc->Translate(0.0f, height, 0.0f); |
|
694 iCanvasGc->Scale(1.f, -1.f, 1.f); |
|
695 } |
|
696 |
|
697 iCanvasGc->DrawImage(*iCanvasRenderBuffer, TPoint(0,0)); |
|
698 iCanvasGc->PopTransformationMatrix(); |
|
699 } |
|
700 } |
|
701 |
|
702 void CHuiRosterImpl::DrawBoundaries( CHuiGc& aGc, CHuiVisual* aVisual, TBool aDrawOutline ) const |
|
703 { |
|
704 if( aDrawOutline ) |
|
705 { |
|
706 const THuiRealRect content = aVisual->DisplayRect(); |
|
707 |
|
708 if (aVisual->Flags()& EHuiVisualFlagInactive) |
|
709 { |
|
710 aGc.SetPenColor( KRgbDarkGray ); |
|
711 } |
|
712 else |
|
713 { |
|
714 aGc.SetPenColor( TUint32(aVisual)&0x00ffffff/*KRgbBlack*/ ); // Use "random" color |
|
715 } |
|
716 aGc.DrawBorders(content.Round(), |
|
717 KHuiVisualOutlineWidth, KHuiVisualOutlineWidth, |
|
718 KHuiVisualOutlineWidth, KHuiVisualOutlineWidth, |
|
719 CHuiGc::EBorderFixedCorners); |
|
720 } |
|
721 |
|
722 for( TInt k = 0; k < aVisual->Count(); ++k ) |
|
723 { |
|
724 DrawBoundaries( |
|
725 aGc, |
|
726 &aVisual->Visual( k ), |
|
727 ( ( aVisual->Visual( k ).Flags() & EHuiVisualFlagEnableDebugMode ) || |
|
728 aDrawOutline ) ); |
|
729 } |
|
730 } |
|
731 |
|
732 |
|
733 TBool CHuiRosterImpl::HasTransformedControlGroups() const |
|
734 { |
|
735 TInt j = 0; |
|
736 for(j = 0; j < iEntries.Count(); ++j) |
|
737 { |
|
738 CHuiRosterEntry& entry = *iEntries[j]; |
|
739 CHuiControlGroup& group = entry.ControlGroup(); |
|
740 if(group.IsTransformed()) |
|
741 { |
|
742 return ETrue; |
|
743 } |
|
744 } |
|
745 return EFalse; |
|
746 } |
|
747 |
|
748 |
|
749 TBool CHuiRosterImpl::HandleEventL(const THuiEvent& aEvent) |
|
750 { |
|
751 TInt i = 0; |
|
752 TInt k = 0; |
|
753 |
|
754 if(iDisplay) |
|
755 { |
|
756 iDisplay->Env().ContinueRefresh(); |
|
757 } |
|
758 |
|
759 if(aEvent.IsPointerEvent()) |
|
760 { |
|
761 iTactileFeedbackHandled = EFalse; |
|
762 |
|
763 // Put event details array up to date |
|
764 CleanEventDetails(); |
|
765 |
|
766 if ( !iLongTapDetector ) |
|
767 { |
|
768 iLongTapDetector = CHuiLongTapDetector::NewL( *this ); |
|
769 } |
|
770 iLongTapDetector->OfferPointerEvent( aEvent ); |
|
771 |
|
772 if ( aEvent.PointerDown() ) |
|
773 { |
|
774 iInitialDownEvent = aEvent; |
|
775 CleanDraggingFlags(); |
|
776 } |
|
777 |
|
778 |
|
779 // Restricted distribution? |
|
780 if(aEvent.iPointerEvent.iType == TPointerEvent::EDrag) |
|
781 { |
|
782 // Only send these if there are observers. |
|
783 for(i = 0; i < iPointerDragObservers.Count(); ++i) |
|
784 { |
|
785 if( DragEventOutOfRangeL( &iPointerDragObservers[i], aEvent) ) |
|
786 { |
|
787 if(iPointerDragObservers[i].OfferEventL(aEvent)) |
|
788 { |
|
789 return ETrue; |
|
790 } |
|
791 } |
|
792 } |
|
793 return EFalse; |
|
794 } |
|
795 |
|
796 // The event is generated by the long tap detector |
|
797 if(aEvent.iPointerEvent.iType == TPointerEvent::EButtonRepeat) |
|
798 { |
|
799 // Only send these if there are observers. |
|
800 for(i = 0; i < iLongTapObservers.Count(); ++i) |
|
801 { |
|
802 if(IsLongTapEventAllowed(&iLongTapObservers[i])) |
|
803 { |
|
804 if(iLongTapObservers[i].OfferEventL(aEvent)) |
|
805 { |
|
806 return ETrue; |
|
807 } |
|
808 } |
|
809 } |
|
810 return EFalse; |
|
811 } |
|
812 |
|
813 // The other pointer events are offered depending on the visuals. |
|
814 for(i = iEntries.Count() - 1; i >= 0; --i) |
|
815 { |
|
816 CHuiRosterEntry& entry = *iEntries[i]; |
|
817 CHuiControlGroup& group = entry.ControlGroup(); |
|
818 |
|
819 if(!group.AcceptInput()) |
|
820 { |
|
821 // The group will not be receiving input events. |
|
822 continue; |
|
823 } |
|
824 |
|
825 for(k = entry.iRootVisuals.Count() - 1; k >= 0; --k) |
|
826 { |
|
827 if(OfferPointerEventWithinTreeL(*entry.iRootVisuals[k], aEvent)) |
|
828 { |
|
829 return ETrue; |
|
830 } |
|
831 } |
|
832 |
|
833 // Offer to the fallback handlers of the group. |
|
834 for(k = 0; k < group.iUnhandledEventObservers.Count(); ++k) |
|
835 { |
|
836 if(group.iUnhandledEventObservers[k].OfferEventL(aEvent)) |
|
837 { |
|
838 return ETrue; |
|
839 } |
|
840 } |
|
841 } |
|
842 |
|
843 // No one handled the event. |
|
844 for(i = 0; i < iUnhandledPointerObservers.Count(); ++i) |
|
845 { |
|
846 if(iUnhandledPointerObservers[i].OfferEventL(aEvent)) |
|
847 { |
|
848 return ETrue; |
|
849 } |
|
850 } |
|
851 } |
|
852 else |
|
853 { |
|
854 // First offer to the input control. |
|
855 if(aEvent.IsKeyEvent() && iInputFocus && iInputFocus->AcceptInput()) |
|
856 { |
|
857 if(iInputFocus->OfferEventL(aEvent)) |
|
858 { |
|
859 return ETrue; |
|
860 } |
|
861 } |
|
862 |
|
863 // Iterate through the groups and controls in priority order. |
|
864 for(i = iEntries.Count() - 1; i >= 0; --i) |
|
865 { |
|
866 CHuiControlGroup& group = iEntries[i]->ControlGroup(); |
|
867 |
|
868 if(!group.AcceptInput()) |
|
869 { |
|
870 // The group will not be receiving input events. |
|
871 continue; |
|
872 } |
|
873 |
|
874 for(k = group.Count() - 1; k >= 0; --k) |
|
875 { |
|
876 CHuiControl& control = group.Control(k); |
|
877 if(control.OfferEventL(aEvent)) |
|
878 { |
|
879 // The event was consumed, now it can't be handled by |
|
880 // anyone else. |
|
881 return ETrue; |
|
882 } |
|
883 } |
|
884 // Notify observer that group didn't handle event? |
|
885 } |
|
886 } |
|
887 |
|
888 return EFalse; |
|
889 } |
|
890 |
|
891 |
|
892 TBool CHuiRosterImpl::OfferPointerEventWithinTreeL(CHuiVisual& aVisual, const THuiEvent& aEvent, TBool aUseDispRect) |
|
893 { |
|
894 //Ignore inactive visuals |
|
895 if( ( aVisual.Flags() & EHuiVisualFlagIgnorePointer ) || |
|
896 ( aVisual.Flags() & EHuiVisualFlagInactive ) ) |
|
897 { |
|
898 // Discard the entire branch of visuals. |
|
899 return EFalse; |
|
900 } |
|
901 |
|
902 const TPoint& pos = aEvent.iPointerEvent.iPosition; |
|
903 |
|
904 TBool useDispRect = EFalse; |
|
905 // If it has children, offer to those first. |
|
906 for(TInt i = aVisual.Count() - 1; i >= 0; --i) |
|
907 { |
|
908 // set useDispRect, if scroll is enabled on a layout |
|
909 useDispRect = static_cast<CHuiLayout&>(aVisual).Scrolling(); |
|
910 |
|
911 if(OfferPointerEventWithinTreeL(aVisual.Visual(i), aEvent, useDispRect)) |
|
912 { |
|
913 return ETrue; |
|
914 } |
|
915 } |
|
916 |
|
917 TRect visualRect; |
|
918 if(aUseDispRect) |
|
919 { |
|
920 visualRect = TRect(aVisual.DisplayRect()); |
|
921 } |
|
922 else |
|
923 { |
|
924 // use cashed display rect |
|
925 visualRect = TRect(aVisual.CachedDisplayRect()); |
|
926 } |
|
927 |
|
928 // Offer to the visual itself. |
|
929 if(visualRect.Contains(pos)) |
|
930 { |
|
931 HUI_DEBUG3(_L("CHuiRosterImpl::OfferPointerEventWithinTreeL: aVisual=%x pos=%i,%i"), |
|
932 &aVisual, pos.iX, pos.iY); |
|
933 |
|
934 MHuiEventHandler* handler = aVisual.Owner().EventHandler(); |
|
935 if(handler) |
|
936 { |
|
937 THuiEvent eventWithVisual = aEvent; |
|
938 eventWithVisual.SetVisual(&aVisual); |
|
939 HandleTactileFeedback( eventWithVisual ); |
|
940 if(handler->OfferEventL(eventWithVisual)) |
|
941 { |
|
942 return ETrue; |
|
943 } |
|
944 } |
|
945 } |
|
946 |
|
947 // Not consumed. |
|
948 return EFalse; |
|
949 } |
|
950 |
|
951 |
|
952 TBool CHuiRosterImpl::Changed() const |
|
953 { |
|
954 if(iChanged) |
|
955 { |
|
956 return ETrue; |
|
957 } |
|
958 |
|
959 TInt entryCount = iEntries.Count(); |
|
960 for(TInt i = 0; i < entryCount; ++i) |
|
961 { |
|
962 if(iEntries[i]->ControlGroup().Changed()) |
|
963 { |
|
964 return ETrue; |
|
965 } |
|
966 } |
|
967 |
|
968 if (iEffect && iEffect->Changed()) |
|
969 { |
|
970 return ETrue; |
|
971 } |
|
972 |
|
973 return EFalse; |
|
974 } |
|
975 |
|
976 |
|
977 void CHuiRosterImpl::ScanDirty() |
|
978 { |
|
979 if(Changed()) |
|
980 { |
|
981 // If the entire roster has changed, there is no need to query |
|
982 // individual visuals. |
|
983 if(iDisplay) |
|
984 { |
|
985 iDisplay->AddDirtyRegion(iRect); |
|
986 } |
|
987 |
|
988 SetChanged(EFalse); |
|
989 return; |
|
990 } |
|
991 |
|
992 if (iDisplay && !iDisplay->IsDirtyScanNeeded()) |
|
993 { |
|
994 // Dirty scan is not needed, we can return directly. |
|
995 return; |
|
996 } |
|
997 |
|
998 TInt entryCount = iEntries.Count(); |
|
999 for(TInt j = 0; j < entryCount; ++j) |
|
1000 { |
|
1001 CHuiRosterEntry& entry = *iEntries[j]; |
|
1002 TInt count = entry.iRootVisuals.Count(); |
|
1003 for(TInt i = 0; i < count; ++i) |
|
1004 { |
|
1005 //Ignore inactive visuals |
|
1006 if ( entry.iRootVisuals[i]->Flags()& EHuiVisualFlagInactive ) |
|
1007 { |
|
1008 continue; |
|
1009 } |
|
1010 entry.iRootVisuals[i]->ReportChanged(); |
|
1011 } |
|
1012 } |
|
1013 } |
|
1014 |
|
1015 |
|
1016 // This ScanDirty-method supports transformed dirty rects |
|
1017 void CHuiRosterImpl::ScanTransformedDirty(CHuiGc& aGc, CHuiDisplay* aDisplay) |
|
1018 { |
|
1019 CHuiDisplay* display = aDisplay ? aDisplay : iDisplay; |
|
1020 |
|
1021 // Init projection matrix |
|
1022 aGc.LoadIdentity(EHuiGcMatrixProjection); |
|
1023 |
|
1024 // Set up display-specifc window transformations e.g. scaling for tv out |
|
1025 aGc.SetWindowTransformation(&(display->WindowTransformation())); |
|
1026 aGc.UpdateProjection(); |
|
1027 |
|
1028 if(Changed()) |
|
1029 { |
|
1030 // If the entire roster has changed, there is no need to query |
|
1031 // individual visuals. |
|
1032 if(display) |
|
1033 { |
|
1034 display->AddDirtyRegion(iRect); |
|
1035 } |
|
1036 |
|
1037 SetChanged(EFalse); |
|
1038 } |
|
1039 |
|
1040 for(TInt j = 0; j < iEntries.Count(); ++j) |
|
1041 { |
|
1042 if (display && !display->IsDirtyScanNeeded()) |
|
1043 { |
|
1044 break; |
|
1045 } |
|
1046 |
|
1047 CHuiRosterEntry& entry = *iEntries[j]; |
|
1048 CHuiControlGroup& group = entry.ControlGroup(); |
|
1049 |
|
1050 // Init model matrix always for every group |
|
1051 aGc.LoadIdentity(EHuiGcMatrixModel); |
|
1052 |
|
1053 // Set up display-specifc transformations i.e. camera transformations |
|
1054 __ASSERT_DEBUG(display, USER_INVARIANT()); |
|
1055 display->Transformation().Execute(EHuiGcMatrixModel, aGc); |
|
1056 |
|
1057 // Set up a group-specific transformation. |
|
1058 if(group.IsTransformed()) |
|
1059 { |
|
1060 group.Transformation().Execute(EHuiGcMatrixModel, aGc); |
|
1061 } |
|
1062 |
|
1063 for(TInt i = 0; i < entry.iRootVisuals.Count(); ++i) |
|
1064 { |
|
1065 if (display && !display->IsDirtyScanNeeded()) |
|
1066 { |
|
1067 break; |
|
1068 } |
|
1069 //Ignore inactive visuals |
|
1070 if ( entry.iRootVisuals[i]->Flags()& EHuiVisualFlagInactive ) |
|
1071 { |
|
1072 continue; |
|
1073 } |
|
1074 entry.iRootVisuals[i]->ReportChanged(); |
|
1075 } |
|
1076 } |
|
1077 |
|
1078 // Undo display-specifc window transformations |
|
1079 aGc.SetWindowTransformation(NULL); |
|
1080 aGc.UpdateProjection(); |
|
1081 |
|
1082 // Undo changes to model matrix |
|
1083 aGc.LoadIdentity(EHuiGcMatrixModel); |
|
1084 } |
|
1085 |
|
1086 |
|
1087 void CHuiRosterImpl::MoveVisualToFront(CHuiVisual* aRootVisual) |
|
1088 { |
|
1089 ASSERT( aRootVisual ); |
|
1090 MoveVisualToFront(*aRootVisual); |
|
1091 } |
|
1092 |
|
1093 |
|
1094 void CHuiRosterImpl::MoveVisualToFront(const CHuiVisual& aRootVisual) |
|
1095 { |
|
1096 CHuiRosterEntry* entry = EntryForVisual(&aRootVisual); |
|
1097 __ASSERT_ALWAYS( entry != NULL, THuiPanic::Panic(THuiPanic::ERosterGroupNotFound) ); |
|
1098 TInt index = entry->iRootVisuals.Find(&aRootVisual); |
|
1099 if(index == KErrNotFound) |
|
1100 { |
|
1101 /** @todo Panic? */ |
|
1102 return; |
|
1103 } |
|
1104 |
|
1105 entry->iRootVisuals.Remove(index); |
|
1106 entry->iRootVisuals.Append(&aRootVisual); |
|
1107 |
|
1108 UpdateLayout(); |
|
1109 } |
|
1110 |
|
1111 |
|
1112 void CHuiRosterImpl::UpdateLayout() |
|
1113 { |
|
1114 SetChanged(); |
|
1115 |
|
1116 TInt visualCount = 0; |
|
1117 TInt entryCount = iEntries.Count(); |
|
1118 for(TInt i = 0; i < entryCount; ++i) |
|
1119 { |
|
1120 visualCount = iEntries[i]->iRootVisuals.Count(); |
|
1121 for(TInt j = 0; j < visualCount; ++j) |
|
1122 { |
|
1123 //Ignore inactive visuals |
|
1124 if ( iEntries[i]->iRootVisuals[j]->Flags()& EHuiVisualFlagInactive ) |
|
1125 { |
|
1126 continue; |
|
1127 } |
|
1128 SetVisualToFullArea(iEntries[i]->iRootVisuals[j]); |
|
1129 } |
|
1130 } |
|
1131 } |
|
1132 |
|
1133 |
|
1134 void CHuiRosterImpl::SetVisualToFullArea(CHuiVisual* aVisual) |
|
1135 { |
|
1136 ASSERT( aVisual ); |
|
1137 |
|
1138 TInt globalTransitionTime = CHuiStatic::LayoutTransitionTime(); |
|
1139 |
|
1140 // Root visuals are automatically full size. |
|
1141 /** @todo Needs a better way to set the visual's display. */ |
|
1142 if(iDisplay) |
|
1143 { |
|
1144 aVisual->SetDisplay(iDisplay); |
|
1145 iDisplay->Env().ContinueRefresh(); |
|
1146 } |
|
1147 |
|
1148 if(!(aVisual->Flags() & EHuiVisualFlagManualPosition)) |
|
1149 { |
|
1150 aVisual->SetPos(iRect.iTl, globalTransitionTime); |
|
1151 } |
|
1152 |
|
1153 if(!(aVisual->Flags() & EHuiVisualFlagManualSize)) |
|
1154 { |
|
1155 aVisual->SetSize(iRect.Size(), globalTransitionTime); |
|
1156 } |
|
1157 else |
|
1158 { |
|
1159 aVisual->UpdateChildrenLayout(globalTransitionTime); |
|
1160 } |
|
1161 |
|
1162 aVisual->ReportLayoutUpdate(); |
|
1163 } |
|
1164 |
|
1165 |
|
1166 void CHuiRosterImpl::NotifySkinChangedL() |
|
1167 { |
|
1168 TInt visualCount = 0; |
|
1169 TInt entryCount = iEntries.Count(); |
|
1170 for(TInt j = 0; j < entryCount; ++j) |
|
1171 { |
|
1172 CHuiRosterEntry& entry = *iEntries[j]; |
|
1173 visualCount = entry.iRootVisuals.Count(); |
|
1174 for(TInt i = 0; i < visualCount; ++i) |
|
1175 { |
|
1176 //Ignore inactive visuals |
|
1177 if ( entry.iRootVisuals[i]->Flags()& EHuiVisualFlagInactive ) |
|
1178 { |
|
1179 continue; |
|
1180 } |
|
1181 entry.iRootVisuals[i]->NotifySkinChangedL(); |
|
1182 } |
|
1183 } |
|
1184 } |
|
1185 |
|
1186 |
|
1187 void CHuiRosterImpl::DumpRootLevelTrees() const |
|
1188 { |
|
1189 TInt visualCount = 0; |
|
1190 TInt entryCount = iEntries.Count(); |
|
1191 for(TInt j = 0; j < entryCount; ++j) |
|
1192 { |
|
1193 CHuiRosterEntry& entry = *iEntries[j]; |
|
1194 visualCount = entry.iRootVisuals.Count(); |
|
1195 for(TInt i = 0; i < visualCount; ++i) |
|
1196 { |
|
1197 CHuiVisual* visual = entry.iRootVisuals[i]; |
|
1198 visual->DumpTree(); |
|
1199 } |
|
1200 } |
|
1201 } |
|
1202 |
|
1203 |
|
1204 void CHuiRosterImpl::ClearChanged() |
|
1205 { |
|
1206 HUI_DEBUGF(_L("CHuiRosterImpl::ClearChanged() - Clearing all change flags.")); |
|
1207 |
|
1208 TInt visualCount = 0; |
|
1209 TInt entryCount = iEntries.Count(); |
|
1210 for(TInt j = 0; j < entryCount; ++j) |
|
1211 { |
|
1212 CHuiRosterEntry& entry = *iEntries[j]; |
|
1213 visualCount = entry.iRootVisuals.Count(); |
|
1214 for(TInt i = 0; i < visualCount; ++i) |
|
1215 { |
|
1216 // Ignore inactive visuals |
|
1217 if ( entry.iRootVisuals[i]->Flags()& EHuiVisualFlagInactive ) |
|
1218 { |
|
1219 continue; |
|
1220 } |
|
1221 |
|
1222 // This will clear the change flags of the entire tree of visuals. |
|
1223 entry.iRootVisuals[i]->ClearChanged(); |
|
1224 } |
|
1225 } |
|
1226 } |
|
1227 |
|
1228 |
|
1229 void CHuiRosterImpl::SetChanged(TBool aIsChanged) |
|
1230 { |
|
1231 if(aIsChanged && !iChanged) |
|
1232 { |
|
1233 HUI_DEBUG(_L("CHuiRosterImpl::SetChanged() - Roster flagged as changed.")); |
|
1234 } |
|
1235 else if(!aIsChanged && iChanged) |
|
1236 { |
|
1237 HUI_DEBUG(_L("CHuiRosterImpl::SetChanged() - Roster change flag cleared.")); |
|
1238 } |
|
1239 else |
|
1240 { |
|
1241 // for PC lint |
|
1242 } |
|
1243 |
|
1244 iChanged = aIsChanged; |
|
1245 } |
|
1246 |
|
1247 |
|
1248 RHuiObserverArray<MHuiEventHandler>& CHuiRosterImpl::Observers(THuiInputType aInputType) |
|
1249 { |
|
1250 switch(aInputType) |
|
1251 { |
|
1252 case EHuiInputPointerDrag: |
|
1253 return iPointerDragObservers; |
|
1254 |
|
1255 case EHuiInputPointerLongTap: |
|
1256 return iLongTapObservers; |
|
1257 |
|
1258 case EHuiInputPointerUnhandled: |
|
1259 return iUnhandledPointerObservers; |
|
1260 |
|
1261 default: |
|
1262 HUI_PANIC(THuiPanic::ERosterUnknownInputObserverType) |
|
1263 return iPointerDragObservers; // never reached |
|
1264 } |
|
1265 } |
|
1266 |
|
1267 void CHuiRosterImpl::HandleTactileFeedback( const THuiEvent& aEvent ) |
|
1268 { |
|
1269 // If tactile feedback has been already deciede for this event.... |
|
1270 if ( iTactileFeedbackHandled ) |
|
1271 { |
|
1272 return; |
|
1273 } |
|
1274 |
|
1275 // The tactile feedback is defined on visual basis |
|
1276 if ( !aEvent.Visual() ) |
|
1277 { |
|
1278 // no visual, no feedback |
|
1279 return; |
|
1280 } |
|
1281 |
|
1282 // Only pointer events |
|
1283 if ( !aEvent.IsPointerEvent() ) |
|
1284 { |
|
1285 return; |
|
1286 } |
|
1287 |
|
1288 // Currently support only pointer down events |
|
1289 if ( !aEvent.PointerDown() ) |
|
1290 { |
|
1291 return; |
|
1292 } |
|
1293 |
|
1294 const TInt eventType = 0; // = ETouchEventStylusDown |
|
1295 |
|
1296 // Check if the viusal has a tactile feedback specified |
|
1297 const TInt feedbackType = aEvent.Visual()->TactileFeedback( eventType ); |
|
1298 |
|
1299 if ( feedbackType != KErrNotFound ) |
|
1300 { |
|
1301 iTactileFeedbackHandled = ETrue; // Handling it now. |
|
1302 |
|
1303 #ifdef RD_TACTILE_FEEDBACK |
|
1304 MTouchFeedback* feedback = MTouchFeedback::Instance(); |
|
1305 if ( feedback ) |
|
1306 { |
|
1307 feedback->InstantFeedback( (TTouchLogicalFeedback)feedbackType ); |
|
1308 } |
|
1309 #else |
|
1310 |
|
1311 #ifdef _DEBUG |
|
1312 // for RnD |
|
1313 switch( feedbackType ) |
|
1314 { |
|
1315 case 0: // none |
|
1316 User::InfoPrint( _L("None") ); |
|
1317 break; |
|
1318 case 1: // basic |
|
1319 User::InfoPrint( _L("Basic") ); |
|
1320 break; |
|
1321 case 2: // sensitive |
|
1322 User::InfoPrint( _L("Sensitive") ); |
|
1323 break; |
|
1324 default: |
|
1325 break; |
|
1326 } |
|
1327 #endif // _DEBUG |
|
1328 |
|
1329 #endif |
|
1330 } |
|
1331 } |
|
1332 |
|
1333 // Adds new detail entry to iPointerEventDetails |
|
1334 void CHuiRosterImpl::AddEventDetailsL(MHuiEventHandler* aEventHandler, const THuiXYMetric& aXYMetric, TBool aDisable) |
|
1335 { |
|
1336 THuiPointerEventDetails* newDetails = new (ELeave) THuiPointerEventDetails; |
|
1337 newDetails->iEventHandler = aEventHandler; |
|
1338 newDetails->iXYMetric = aXYMetric; |
|
1339 newDetails->iDisableLongTapWhenDragging = aDisable; |
|
1340 newDetails->iDragging = EFalse; |
|
1341 TInt err = iPointerEventDetails.Append(newDetails); |
|
1342 if ( err != KErrNone ) |
|
1343 { |
|
1344 delete newDetails; |
|
1345 User::Leave( err ); |
|
1346 } |
|
1347 } |
|
1348 |
|
1349 // Cleans entries from iPointerEventDetails if there isn't observer for |
|
1350 // that event handler |
|
1351 void CHuiRosterImpl::CleanEventDetails() |
|
1352 { |
|
1353 TInt i = 0; |
|
1354 |
|
1355 while(i < iPointerEventDetails.Count()) |
|
1356 { |
|
1357 TBool used = EFalse; |
|
1358 |
|
1359 // Check in drag observers |
|
1360 for(TInt j = 0; j < iPointerDragObservers.Count(); ++j) |
|
1361 { |
|
1362 if(iPointerEventDetails[i]->iEventHandler == &iPointerDragObservers[j]) |
|
1363 { |
|
1364 used = ETrue; |
|
1365 break; |
|
1366 } |
|
1367 } |
|
1368 |
|
1369 // Check in long tap observers |
|
1370 if(!used) |
|
1371 { |
|
1372 for(TInt j = 0; j < iLongTapObservers.Count(); ++j) |
|
1373 { |
|
1374 if(iPointerEventDetails[i]->iEventHandler == &iLongTapObservers[j]) |
|
1375 { |
|
1376 used = ETrue; |
|
1377 break; |
|
1378 } |
|
1379 } |
|
1380 } |
|
1381 |
|
1382 // Check in unhandled observers |
|
1383 if(!used) |
|
1384 { |
|
1385 for(TInt j = 0; j < iUnhandledPointerObservers.Count(); ++j) |
|
1386 { |
|
1387 if(iPointerEventDetails[i]->iEventHandler == &iUnhandledPointerObservers[j]) |
|
1388 { |
|
1389 used = ETrue; |
|
1390 break; |
|
1391 } |
|
1392 } |
|
1393 } |
|
1394 |
|
1395 // If event handler isn't found in observers, we remove details for that |
|
1396 // event handler from iPointerEventDetails |
|
1397 if(!used) |
|
1398 { |
|
1399 delete iPointerEventDetails[i]; |
|
1400 iPointerEventDetails.Remove(i); |
|
1401 } |
|
1402 else |
|
1403 { |
|
1404 i++; |
|
1405 } |
|
1406 } |
|
1407 } |
|
1408 |
|
1409 // Cleans dragging flags in iPointerEventDetails |
|
1410 void CHuiRosterImpl::CleanDraggingFlags() |
|
1411 { |
|
1412 for(TInt i = 0; i < iPointerEventDetails.Count(); ++i) |
|
1413 { |
|
1414 iPointerEventDetails[i]->iDragging = EFalse; |
|
1415 } |
|
1416 } |
|
1417 |
|
1418 // Sets treshold which pointer needs to be moved before starting to send drag events. |
|
1419 void CHuiRosterImpl::SetPointerDragThresholdL(const MHuiEventHandler& aEventHandler, const THuiXYMetric& aXYMetric) |
|
1420 { |
|
1421 MHuiEventHandler *handler = (MHuiEventHandler*)&aEventHandler; |
|
1422 |
|
1423 // Check if there is already detail entry in iPointerEventDetails where to update |
|
1424 // details |
|
1425 for(TInt i = 0; i < iPointerEventDetails.Count(); ++i) |
|
1426 { |
|
1427 if(iPointerEventDetails[i]->iEventHandler == handler) |
|
1428 { |
|
1429 iPointerEventDetails[i]->iXYMetric = aXYMetric; |
|
1430 return; |
|
1431 } |
|
1432 } |
|
1433 |
|
1434 // If event handler wasn't found, we add new detail entry |
|
1435 AddEventDetailsL(handler, aXYMetric, EFalse); |
|
1436 } |
|
1437 |
|
1438 // Disables long tap events when dragging is going on. |
|
1439 void CHuiRosterImpl::DisableLongTapEventsWhenDraggingL(const MHuiEventHandler& aEventHandler, TBool aDisable) |
|
1440 { |
|
1441 MHuiEventHandler* handler = const_cast<MHuiEventHandler*>( &aEventHandler ); |
|
1442 |
|
1443 // Check if there is already detail entry in iPointerEventDetails where to update |
|
1444 // details |
|
1445 for(TInt i = 0; i < iPointerEventDetails.Count(); ++i) |
|
1446 { |
|
1447 if(iPointerEventDetails[i]->iEventHandler == handler) |
|
1448 { |
|
1449 iPointerEventDetails[i]->iDisableLongTapWhenDragging = aDisable; |
|
1450 return; |
|
1451 } |
|
1452 } |
|
1453 |
|
1454 // If event handler wasn't found, we add new detail entry |
|
1455 AddEventDetailsL(handler, THuiXYMetric(KDefaultDragTresholdInPixelsX, KDefaultDragTresholdInPixelsY), aDisable); |
|
1456 } |
|
1457 |
|
1458 // Checks if event handler is within threshold range. |
|
1459 TBool CHuiRosterImpl::DragEventOutOfRangeL(MHuiEventHandler* aEventHandler, const THuiEvent& aEvent) |
|
1460 { |
|
1461 if ( aEvent.IsPointerEvent() && iInitialDownEvent.IsPointerEvent()) |
|
1462 { |
|
1463 TBool handlerFound = EFalse; |
|
1464 |
|
1465 // Find event handler from detail array |
|
1466 for(TInt i = 0; i < iPointerEventDetails.Count(); ++i) |
|
1467 { |
|
1468 if(iPointerEventDetails[i]->iEventHandler == aEventHandler) |
|
1469 { |
|
1470 |
|
1471 // If we are already sending dragging events to this handler |
|
1472 // we can return immediately |
|
1473 if(iPointerEventDetails[i]->iDragging) |
|
1474 { |
|
1475 return ETrue; |
|
1476 } |
|
1477 |
|
1478 handlerFound = ETrue; |
|
1479 |
|
1480 // calculate moved distance in pixels |
|
1481 TPoint result = iInitialDownEvent.iPointerEvent.iPosition-aEvent.iPointerEvent.iPosition; |
|
1482 |
|
1483 // Do metric calculations |
|
1484 THuiRealPoint tresholdInPx(iPointerEventDetails[i]->iXYMetric.iX.iMagnitude, iPointerEventDetails[i]->iXYMetric.iY.iMagnitude); |
|
1485 if(iPointerEventDetails[i]->iXYMetric.iX.iUnit != EHuiUnitPixel) |
|
1486 { |
|
1487 TReal32 reference = 0; |
|
1488 if (iPointerEventDetails[i]->iXYMetric.iX.iUnit == EHuiUnitRelativeToDisplay && iDisplay ) |
|
1489 { |
|
1490 reference = iDisplay->VisibleArea().Width(); |
|
1491 } |
|
1492 if (iPointerEventDetails[i]->iXYMetric.iX.iUnit == EHuiUnitS60 && iDisplay ) |
|
1493 { |
|
1494 reference = iDisplay->UnitValue(); |
|
1495 } |
|
1496 tresholdInPx.iX = tresholdInPx.iX * reference; |
|
1497 } |
|
1498 if(iPointerEventDetails[i]->iXYMetric.iY.iUnit != EHuiUnitPixel) |
|
1499 { |
|
1500 TReal32 reference = 0; |
|
1501 if (iPointerEventDetails[i]->iXYMetric.iY.iUnit == EHuiUnitRelativeToDisplay && iDisplay ) |
|
1502 { |
|
1503 reference = iDisplay->VisibleArea().Width(); |
|
1504 } |
|
1505 if (iPointerEventDetails[i]->iXYMetric.iY.iUnit == EHuiUnitS60 && iDisplay ) |
|
1506 { |
|
1507 reference = iDisplay->UnitValue(); |
|
1508 } |
|
1509 tresholdInPx.iY = tresholdInPx.iY * reference; |
|
1510 } |
|
1511 |
|
1512 // Check if we are outside of the threshold |
|
1513 if (result.iX < -tresholdInPx.iX || result.iX > tresholdInPx.iX|| |
|
1514 result.iY < -tresholdInPx.iY || result.iY > tresholdInPx.iY ) |
|
1515 { |
|
1516 iPointerEventDetails[i]->iDragging = ETrue; |
|
1517 return ETrue; |
|
1518 } |
|
1519 else |
|
1520 { |
|
1521 iPointerEventDetails[i]->iDragging = EFalse; |
|
1522 } |
|
1523 } |
|
1524 } |
|
1525 |
|
1526 // If no event handler found in iPointerEventDetails array, |
|
1527 // check with default threshold. |
|
1528 if(!handlerFound) |
|
1529 { |
|
1530 TPoint result = iInitialDownEvent.iPointerEvent.iPosition-aEvent.iPointerEvent.iPosition; |
|
1531 |
|
1532 if (result.iX < -KDefaultDragTresholdInPixelsX || result.iX > KDefaultDragTresholdInPixelsX|| |
|
1533 result.iY < -KDefaultDragTresholdInPixelsY || result.iY > KDefaultDragTresholdInPixelsY) |
|
1534 { |
|
1535 // We need to add new event detail to store dragging flag |
|
1536 AddEventDetailsL(aEventHandler, THuiXYMetric(KDefaultDragTresholdInPixelsX, KDefaultDragTresholdInPixelsY), EFalse); |
|
1537 return DragEventOutOfRangeL(aEventHandler, aEvent); |
|
1538 } |
|
1539 } |
|
1540 } |
|
1541 return EFalse; |
|
1542 } |
|
1543 |
|
1544 // Checks if long tap event is allowed to send. |
|
1545 TBool CHuiRosterImpl::IsLongTapEventAllowed(MHuiEventHandler* aEventHandler) |
|
1546 { |
|
1547 for(TInt i = 0; i < iPointerEventDetails.Count(); ++i) |
|
1548 { |
|
1549 if(iPointerEventDetails[i]->iEventHandler == aEventHandler) |
|
1550 { |
|
1551 if ( iPointerEventDetails[i]->iDragging ) |
|
1552 { |
|
1553 return !(iPointerEventDetails[i]->iDisableLongTapWhenDragging); |
|
1554 } |
|
1555 } |
|
1556 } |
|
1557 return ETrue; |
|
1558 } |
|
1559 |
|
1560 |
|
1561 void CHuiRosterImpl::SetDrawingExternalContent(TBool aEnable) |
|
1562 { |
|
1563 iDrawEvenIfDisabledDrawInRoster = aEnable; |
|
1564 } |
|
1565 |
|
1566 |
|
1567 TBool CHuiRosterImpl::IsDrawingExternalContent() const |
|
1568 { |
|
1569 return iDrawEvenIfDisabledDrawInRoster; |
|
1570 } |
|
1571 |
|
1572 void CHuiRosterImpl::RemoveExternalContentVisualFromParentL(CHuiVisual* aExternalContentVisual) |
|
1573 { |
|
1574 // External content is only used with canvas visuals, and the layouts of canvas visuals are always in the roster. |
|
1575 // Browse all layouts in the roster and check if they have a canvas visual as a child visual. |
|
1576 // Note: this can be slow operation, so it should only be done rarely. |
|
1577 |
|
1578 TInt visualCount = 0; |
|
1579 TInt entryCount = iEntries.Count(); |
|
1580 for(TInt j = 0; j < entryCount; ++j) |
|
1581 { |
|
1582 CHuiRosterEntry& entry = *iEntries[j]; // control group |
|
1583 visualCount = entry.iRootVisuals.Count(); |
|
1584 for(TInt i = 0; i < visualCount; ++i) |
|
1585 { |
|
1586 CHuiLayout* layout = dynamic_cast<CHuiLayout*>(entry.iRootVisuals[i]); // layout |
|
1587 |
|
1588 if (layout) |
|
1589 { |
|
1590 RemoveExternalContentVisualFromParentL(aExternalContentVisual,layout); |
|
1591 } |
|
1592 } |
|
1593 } |
|
1594 } |
|
1595 |
|
1596 void CHuiRosterImpl::RemoveExternalContentVisualFromParentL(CHuiVisual* aExternalContentVisual, CHuiLayout* aLayout) |
|
1597 { |
|
1598 for(TInt k = 0; aLayout && k < aLayout->Count(); ++k) |
|
1599 { |
|
1600 CHuiCanvasVisual* canvasVisual = dynamic_cast<CHuiCanvasVisual*>(&(aLayout->Visual(k))); |
|
1601 |
|
1602 if (canvasVisual) |
|
1603 { |
|
1604 if (canvasVisual->ExternalContent() == aExternalContentVisual) |
|
1605 { |
|
1606 // Remove aExternalContentVisual from the parent visual |
|
1607 canvasVisual->SetExternalContentL(NULL); |
|
1608 } |
|
1609 } |
|
1610 else |
|
1611 { |
|
1612 CHuiLayout* layoutVisual = dynamic_cast<CHuiLayout*>(&(aLayout->Visual(k))); |
|
1613 if ( layoutVisual) |
|
1614 { |
|
1615 RemoveExternalContentVisualFromParentL(aExternalContentVisual,layoutVisual); |
|
1616 } |
|
1617 } |
|
1618 } |
|
1619 } |
|
1620 |
|
1621 |
|
1622 void CHuiRosterImpl::FreezeVisibleContentL(TBool aEnable) |
|
1623 { |
|
1624 if (aEnable) |
|
1625 { |
|
1626 if (!iCanvasGc) |
|
1627 { |
|
1628 CHuiRenderPlugin& renderplugin = CHuiStatic::Renderer(); |
|
1629 iCanvasGc = renderplugin.CreateCanvasGcL(); |
|
1630 } |
|
1631 if (!iCanvasRenderBuffer) |
|
1632 { |
|
1633 iCanvasRenderBuffer = iCanvasGc->CreateRenderBufferL(TSize(0,0)); |
|
1634 iCanvasRenderBuffer->InitializeL(CHuiStatic::Env().Display(0).VisibleArea().Size()); |
|
1635 iCanvasRenderBuffer->Copy(TPoint(0,0)); |
|
1636 iCanvasRenderBufferOrientation = CHuiStatic::Env().Display(0).Orientation(); |
|
1637 } |
|
1638 } |
|
1639 else |
|
1640 { |
|
1641 delete iCanvasGc; |
|
1642 iCanvasGc = NULL; |
|
1643 delete iCanvasRenderBuffer; |
|
1644 iCanvasRenderBuffer = NULL; |
|
1645 SetChanged(); |
|
1646 } |
|
1647 } |
|
1648 |
|
1649 TBool CHuiRosterImpl::IsVisibleContentFrozen() const |
|
1650 { |
|
1651 return ((iCanvasRenderBuffer != NULL) && (iCanvasGc != NULL)); |
|
1652 } |
|
1653 |
|
1654 void CHuiRosterImpl::EffectSetEffect(CHuiFxEffect* aEffect) |
|
1655 { |
|
1656 if (iEffect) |
|
1657 { |
|
1658 delete iEffect; |
|
1659 iEffect = NULL; |
|
1660 } |
|
1661 iEffect = aEffect; |
|
1662 SetChanged(); |
|
1663 } |
|
1664 |
|
1665 TReal32 CHuiRosterImpl::EffectOpacityTarget() const |
|
1666 { |
|
1667 return iEffectOpacity; |
|
1668 } |
|
1669 |
|
1670 void CHuiRosterImpl::EffectSetOpacity(TReal32 aOpacity) |
|
1671 { |
|
1672 iEffectOpacity = aOpacity; |
|
1673 } |
|
1674 |
|
1675 void CHuiRosterImpl::EffectDrawSelf( CHuiGc &aGc, const TRect & aDisplayRect) const |
|
1676 { |
|
1677 DrawSelf(aGc, iDisplay); |
|
1678 } |
|
1679 |
|
1680 THuiRealRect CHuiRosterImpl::EffectDisplayRect() const __SOFTFP |
|
1681 { |
|
1682 if (iDisplay) |
|
1683 { |
|
1684 return iDisplay->VisibleArea(); |
|
1685 } |
|
1686 else |
|
1687 { |
|
1688 return THuiRealRect(TRect(0,0,0,0)); |
|
1689 } |
|
1690 } |
|
1691 |
|
1692 MHuiEffectable* CHuiRosterImpl::Effectable() |
|
1693 { |
|
1694 return this; |
|
1695 } |
|
1696 |
|
1697 void CHuiRosterImpl::SetLoadingEffect(TBool /*aLoading*/) |
|
1698 { |
|
1699 // not needed |
|
1700 } |
|
1701 void CHuiRosterImpl::EffectSetSource( TBool aIsInput1 ) |
|
1702 { |
|
1703 iIsInput1 = aIsInput1; |
|
1704 } |
|
1705 |
|
1706 TBool CHuiRosterImpl::EffectGetSource() const |
|
1707 { |
|
1708 return iIsInput1; |
|
1709 } |