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1 /* |
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2 * Copyright (c) 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: A visualizer for data items with rich text. |
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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 |
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20 #include "emailtrace.h" |
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21 #include <txtrich.h> |
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22 //<cmail> removed __FS_ALFRED_SUPPORT flag |
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23 //#include <fsconfig.h> |
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24 //</cmail> removed __FS_ALFRED_SUPPORT flag |
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25 |
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26 // <cmail> SF |
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27 #include <alf/alfcontrol.h> |
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28 #include <alf/alflayout.h> |
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29 #include <alf/alfflowlayout.h> |
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30 #include <alf/alftextvisual.h> |
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31 #include <alf/alfgradientbrush.h> |
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32 #include <alf/alfanchorlayout.h> |
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33 #include <alf/alfimage.h> |
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34 #include <alf/alfimagevisual.h> |
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35 #include <alf/alfbrusharray.h> |
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36 #include <alf/alfenv.h> |
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37 // </cmail> |
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38 |
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39 #include "fstreerichitemvisualizer.h" |
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40 #include "fstreerichitemdata.h" |
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41 #include "fsgenericpanic.h" |
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42 #include "fsrichtext.h" |
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43 #include "fstreelist.h" |
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44 #include "fsscrollbarset.h" |
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45 #include "fsalftextstylemanager.h" |
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46 #include "fslayoutmanager.h" |
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47 |
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48 // ======== MEMBER FUNCTIONS ======== |
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49 |
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50 |
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51 |
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52 // --------------------------------------------------------------------------- |
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53 // C++ constructor. |
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54 // --------------------------------------------------------------------------- |
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55 // |
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56 CFsTreeRichItemVisualizer::CFsTreeRichItemVisualizer( |
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57 CAlfControl& aOwnerControl, CFsAlfTextStyleManager& aTextStyleManager ) |
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58 : CFsTreeItemVisualizerBase(aOwnerControl) |
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59 { |
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60 FUNC_LOG; |
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61 iTextStyleManager = &aTextStyleManager; |
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62 } |
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63 |
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64 |
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65 |
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66 // --------------------------------------------------------------------------- |
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67 // 2nd phase constructor. |
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68 // --------------------------------------------------------------------------- |
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69 // |
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70 void CFsTreeRichItemVisualizer::ConstructL() |
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71 { |
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72 FUNC_LOG; |
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73 } |
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74 |
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75 |
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76 |
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77 // --------------------------------------------------------------------------- |
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78 // Two-phase constructor. |
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79 // --------------------------------------------------------------------------- |
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80 // |
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81 EXPORT_C CFsTreeRichItemVisualizer* CFsTreeRichItemVisualizer::NewL( |
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82 CAlfControl& aOwnerControl, CFsAlfTextStyleManager& aTextStyleManager ) |
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83 { |
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84 FUNC_LOG; |
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85 CFsTreeRichItemVisualizer* self = |
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86 new( ELeave ) CFsTreeRichItemVisualizer(aOwnerControl, aTextStyleManager); |
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87 CleanupStack::PushL( self ); |
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88 self->ConstructL(); |
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89 CleanupStack::Pop( self ); |
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90 return self; |
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91 } |
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92 |
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93 |
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94 // --------------------------------------------------------------------------- |
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95 // C++ destructor. |
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96 // --------------------------------------------------------------------------- |
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97 // |
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98 CFsTreeRichItemVisualizer::~CFsTreeRichItemVisualizer() |
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99 { |
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100 FUNC_LOG; |
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101 } |
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102 |
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103 |
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104 // --------------------------------------------------------------------------- |
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105 // Returns visualizer's type. |
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106 // --------------------------------------------------------------------------- |
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107 // |
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108 TFsTreeItemVisualizerType CFsTreeRichItemVisualizer::Type() const |
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109 { |
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110 FUNC_LOG; |
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111 return EFsTreeRichItemVisualizer; |
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112 } |
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113 |
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114 |
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115 |
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116 // --------------------------------------------------------------------------- |
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117 // Create a visual based on the text object. |
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118 // --------------------------------------------------------------------------- |
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119 // |
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120 CAlfFlowLayout* CFsTreeRichItemVisualizer::CreateTextLineL( |
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121 CAlfControl& aOwnerControl, |
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122 CAlfLayout* aParentLayout, |
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123 const CFsTreeRichItemData* aText, |
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124 TSize aSize ) |
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125 { |
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126 FUNC_LOG; |
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127 CAlfFlowLayout* textLayout( |
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128 CAlfFlowLayout::AddNewL(aOwnerControl, aParentLayout)); |
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129 textLayout->SetFlowDirection(CAlfFlowLayout::EFlowHorizontal); |
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130 textLayout->SetCentering( EFalse ); |
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131 textLayout->EnableBrushesL(); |
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132 textLayout->SetSize( aSize ); |
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133 textLayout->SetClipping(ETrue); |
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134 |
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135 CAlfTextVisual* textVisual; |
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136 TCharFormat charFormat; |
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137 TPtrC16 text; |
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138 TInt textPos( 0 ); |
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139 TInt xPos( 0 ); |
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140 |
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141 textLayout->SetFlag(EAlfVisualFlagFreezeLayout); |
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142 |
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143 while ( aText->Text().DocumentLength() > textPos ) |
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144 { |
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145 // Need to create a new visual for every text block with different |
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146 // markup. |
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147 aText->Text().GetChars( text, charFormat, textPos ); |
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148 textVisual = CAlfTextVisual::AddNewL( aOwnerControl, textLayout ); |
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149 textVisual->EnableShadow( iFlags & KFsTreeListItemTextShadow ); |
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150 textVisual->EnableBrushesL(); |
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151 textVisual->SetTextL( text ); |
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152 |
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153 TInt styleId( iTextStyleManager->GetStyleIDL( charFormat ) ); |
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154 textVisual->SetTextStyle( styleId ); |
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155 textVisual->SetColor( charFormat.iFontPresentation.iTextColor ); |
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156 |
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157 if ( TFontPresentation::EFontHighlightNone |
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158 != charFormat.iFontPresentation.iHighlightStyle ) |
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159 { |
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160 CAlfGradientBrush* brush( CAlfGradientBrush::NewLC(textLayout->Env())); |
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161 brush->SetColor( charFormat.iFontPresentation.iHighlightColor ); |
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162 textVisual->Brushes()->AppendL(brush, EAlfHasOwnership); |
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163 CleanupStack::Pop( brush ); |
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164 } |
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165 |
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166 textVisual->SetWrapping( CAlfTextVisual::ELineWrapTruncate ); |
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167 |
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168 textVisual->SetSize( TSize(textVisual->TextExtents().iWidth, |
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169 iSize.iHeight) ); |
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170 |
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171 TInt visualWidth( textVisual->Size().Target().iX ); |
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172 if ( xPos + visualWidth >= aSize.iWidth ) |
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173 { |
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174 // The width limit has been reached and the last item need to be |
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175 // resized. |
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176 TAlfRealSize size; |
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177 size.iWidth = aSize.iWidth - xPos; |
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178 size.iHeight = textVisual->Size().iY.Target(); |
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179 textVisual->SetSize(size, 0); |
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180 break; |
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181 } |
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182 xPos += visualWidth; |
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183 textPos += text.Length(); |
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184 } |
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185 textLayout->SetFlag(EAlfVisualFlagFreezeLayout); |
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186 textLayout->UpdateChildrenLayout(0); |
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187 |
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188 return textLayout; |
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189 } |
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190 |
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191 |
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192 // --------------------------------------------------------------------------- |
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193 // From class MFsTreeItemVisualizer. |
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194 // Sets the size of the item visualization when item is not in expanded |
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195 // state. The value is taken from layout manager. |
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196 // --------------------------------------------------------------------------- |
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197 // |
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198 void CFsTreeRichItemVisualizer::UpdateLayout( |
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199 const CFsTreeRichItemData* aData, |
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200 const TInt aIndentation ) |
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201 { |
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202 FUNC_LOG; |
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203 TRect rect; |
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204 |
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205 TAlfTimedPoint tpMainIconTl, tpMainIconBr; |
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206 TAlfTimedPoint tpTextTl, tpTextBr; |
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207 TAlfTimedPoint tpMarkIconTl, tpMarkIconBr; |
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208 TAlfTimedPoint tpMenuIconTl, tpMenuIconBr; |
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209 |
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210 CFsLayoutManager::TFsLayoutMetrics |
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211 mainIconMetrics = CFsLayoutManager::EFsLmListMediumLineG1, |
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212 markIconMetrics = CFsLayoutManager::EFsLmListMediumLineG3G2, |
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213 menuIconMetrics = CFsLayoutManager::EFsLmListMediumLineG3G3, |
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214 textMetrics = CFsLayoutManager::EFsLmListMediumLineG3T1, |
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215 sizeMetrics = CFsLayoutManager::EFsLmListSingleDycRowPane; |
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216 |
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217 if (aData->IsIconSet()) |
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218 { |
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219 if (iFlags & KFsTreeListItemMarked) |
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220 { |
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221 if (iMenu && (iFlags & KFsTreeListItemFocused)) |
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222 { |
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223 //mainIcon + markIcon + menuIcon |
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224 //the metrics defined when declared |
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225 } |
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226 else |
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227 { |
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228 //mainIcon + markIcon |
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229 mainIconMetrics = CFsLayoutManager::EFsLmListMediumLineG2G1; |
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230 markIconMetrics = CFsLayoutManager::EFsLmListMediumLineG2G2; |
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231 textMetrics = CFsLayoutManager::EFsLmListMediumLineG2T1; |
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232 } |
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233 } |
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234 else |
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235 { |
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236 if ((iFlags & KFsTreeListItemHasMenu) |
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237 && (iFlags & KFsTreeListItemFocused)) |
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238 { |
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239 //mainIcon + menuIcon |
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240 mainIconMetrics = CFsLayoutManager::EFsLmListMediumLineG2G1; |
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241 menuIconMetrics = CFsLayoutManager::EFsLmListMediumLineG2G2; |
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242 textMetrics = CFsLayoutManager::EFsLmListMediumLineG2T1; |
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243 } |
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244 else |
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245 { |
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246 //mainIcon |
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247 mainIconMetrics = CFsLayoutManager::EFsLmListMediumLineG1; |
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248 textMetrics = CFsLayoutManager::EFsLmListMediumLineT1; |
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249 } |
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250 } |
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251 } |
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252 else |
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253 { |
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254 if (iFlags & KFsTreeListItemMarked) |
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255 { |
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256 if (iMenu && (iFlags & KFsTreeListItemFocused)) |
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257 { |
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258 //markIcon + menuIcon |
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259 markIconMetrics = |
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260 CFsLayoutManager::EFsLmListMediumLineRightIconx2G1; |
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261 menuIconMetrics = |
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262 CFsLayoutManager::EFsLmListMediumLineRightIconx2G2; |
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263 textMetrics = |
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264 CFsLayoutManager::EFsLmListMediumLineRightIconx2T1; |
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265 } |
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266 else |
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267 { |
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268 //markIcon |
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269 markIconMetrics = |
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270 CFsLayoutManager::EFsLmListMediumLineRightIconG1; |
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271 textMetrics = |
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272 CFsLayoutManager::EFsLmListMediumLineRightIconT1; |
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273 } |
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274 } |
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275 else |
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276 { |
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277 if ((iFlags & KFsTreeListItemHasMenu) |
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278 && (iFlags & KFsTreeListItemFocused)) |
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279 { |
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280 //menuIcon |
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281 menuIconMetrics = |
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282 CFsLayoutManager::EFsLmListMediumLineRightIconG1; |
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283 textMetrics = |
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284 CFsLayoutManager::EFsLmListMediumLineRightIconT1; |
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285 } |
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286 else |
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287 { |
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288 //plain item |
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289 textMetrics = |
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290 CFsLayoutManager::EFsLmListMediumLinePlainT1; |
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291 } |
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292 } |
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293 } |
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294 |
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295 //layout manager is queried for medium values - LM returnes rects based on phone's global text settings |
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296 |
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297 TRect parentLayoutRect = TRect(iParentLayout->Size().Target().AsSize()); |
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298 parentLayoutRect.Resize(-(iParentLayout->HorizontalPadding()*2), 0); |
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299 |
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300 if (iFlags & KFsTreeListItemManagedLayout) |
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301 { |
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302 CFsLayoutManager::LayoutMetricsSize( |
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303 parentLayoutRect, |
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304 sizeMetrics, |
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305 iSize ); |
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306 } |
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307 |
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308 TRect currentSize = iSize; |
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309 if (CFsLayoutManager::IsMirrored()) |
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310 { |
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311 currentSize.iBr = currentSize.iBr - TPoint(aIndentation, 0); |
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312 } |
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313 else |
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314 { |
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315 currentSize.iTl = currentSize.iTl + TPoint(aIndentation, 0); |
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316 } |
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317 |
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318 CFsLayoutManager::LayoutMetricsRect( |
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319 currentSize, |
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320 mainIconMetrics, |
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321 rect ); |
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322 tpMainIconTl.SetTarget(TAlfRealPoint(rect.iTl)); |
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323 tpMainIconBr.SetTarget(TAlfRealPoint(rect.iBr)); |
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324 |
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325 CFsLayoutManager::LayoutMetricsRect( |
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326 currentSize, |
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327 markIconMetrics, |
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328 rect ); |
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329 tpMarkIconTl.SetTarget(TAlfRealPoint(rect.iTl)); |
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330 tpMarkIconBr.SetTarget(TAlfRealPoint(rect.iBr)); |
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331 |
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332 CFsLayoutManager::LayoutMetricsRect( |
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333 currentSize, |
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334 menuIconMetrics, |
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335 rect ); |
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336 tpMenuIconTl.SetTarget(TAlfRealPoint(rect.iTl)); |
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337 tpMenuIconBr.SetTarget(TAlfRealPoint(rect.iBr)); |
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338 |
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339 CFsLayoutManager::TFsText textInfo; |
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340 CFsLayoutManager::LayoutMetricsText(currentSize, textMetrics, textInfo); |
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341 |
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342 tpTextTl.SetTarget(TAlfRealPoint(textInfo.iTextRect.iTl)); |
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343 tpTextBr.SetTarget(TAlfRealPoint(textInfo.iTextRect.iBr)); |
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344 |
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345 TInt visualIconIndex = iLayout->FindVisual(iIconVisual); |
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346 if ( visualIconIndex != KErrNotFound ) |
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347 { |
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348 iLayout->SetAnchor( EAlfAnchorTopLeft, |
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349 visualIconIndex, |
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350 EAlfAnchorOriginLeft, EAlfAnchorOriginTop, |
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351 EAlfAnchorMetricAbsolute, |
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352 EAlfAnchorMetricAbsolute, |
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353 tpMainIconTl ); |
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354 iLayout->SetAnchor( EAlfAnchorBottomRight, |
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355 visualIconIndex, |
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356 EAlfAnchorOriginLeft, EAlfAnchorOriginTop, |
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357 EAlfAnchorMetricAbsolute, |
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358 EAlfAnchorMetricAbsolute, |
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359 tpMainIconBr ); |
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360 } |
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361 |
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362 if ((iFlags & KFsTreeListItemHasMenu) |
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363 && (iFlags & KFsTreeListItemFocused)) |
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364 { |
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365 TInt iconMenuVisIndex = iLayout->FindVisual(iIconMenu); |
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366 if ( iconMenuVisIndex != KErrNotFound ) |
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367 { |
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368 iLayout->SetAnchor(EAlfAnchorTopLeft, |
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369 iconMenuVisIndex, |
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370 EAlfAnchorOriginLeft,EAlfAnchorOriginTop, |
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371 EAlfAnchorMetricAbsolute,EAlfAnchorMetricAbsolute, |
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372 tpMenuIconTl ); |
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373 iLayout->SetAnchor(EAlfAnchorBottomRight, |
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374 iconMenuVisIndex, |
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375 EAlfAnchorOriginLeft,EAlfAnchorOriginTop, |
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376 EAlfAnchorMetricAbsolute,EAlfAnchorMetricAbsolute, |
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377 tpMenuIconBr ); |
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378 |
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379 TAlfTimedValue opacity; |
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380 opacity.SetValueNow(1.0f); |
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381 iIconMenu->SetOpacity(opacity); |
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382 } |
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383 } |
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384 else |
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385 { |
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386 TAlfTimedValue opacity; |
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387 opacity.SetValueNow(0.0f); |
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388 iIconMenu->SetOpacity(opacity); |
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389 } |
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390 |
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391 if (iTextLayout) |
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392 { |
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393 TInt textVisIndex = iLayout->FindVisual(iTextLayout); |
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394 if ( textVisIndex != KErrNotFound ) |
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395 { |
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396 iLayout->SetAnchor(EAlfAnchorTopLeft, |
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397 textVisIndex, |
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398 EAlfAnchorOriginLeft,EAlfAnchorOriginTop, |
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399 EAlfAnchorMetricAbsolute, |
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400 EAlfAnchorMetricAbsolute, |
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401 tpTextTl ); |
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402 iLayout->SetAnchor(EAlfAnchorBottomRight, |
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403 textVisIndex, |
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404 EAlfAnchorOriginLeft, EAlfAnchorOriginTop, |
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405 EAlfAnchorMetricAbsolute, |
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406 EAlfAnchorMetricAbsolute, |
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407 tpTextBr ); |
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408 } |
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409 } |
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410 |
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411 if ( iFlags & KFsTreeListItemMarked ) |
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412 { |
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413 TInt iconMarkedVisIndex = |
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414 iLayout->FindVisual(iIconMarked); |
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415 if ( iconMarkedVisIndex != KErrNotFound ) |
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416 { |
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417 iLayout->SetAnchor(EAlfAnchorTopLeft, |
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418 iconMarkedVisIndex, |
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419 EAlfAnchorOriginLeft,EAlfAnchorOriginTop, |
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420 EAlfAnchorMetricAbsolute, |
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421 EAlfAnchorMetricAbsolute, |
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422 tpMarkIconTl ); |
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423 iLayout->SetAnchor(EAlfAnchorBottomRight, |
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424 iconMarkedVisIndex, |
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425 EAlfAnchorOriginLeft, EAlfAnchorOriginTop, |
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426 EAlfAnchorMetricAbsolute, |
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427 EAlfAnchorMetricAbsolute, |
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428 tpMarkIconBr ); |
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429 |
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430 TAlfTimedValue opacity; |
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431 opacity.SetValueNow(1.0f); |
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432 iIconMarked->SetOpacity(opacity); |
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433 } |
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434 } |
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435 else |
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436 { |
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437 if (iIconMarked) |
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438 { |
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439 TAlfTimedValue opacity; |
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440 opacity.SetValueNow(0.0f); |
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441 iIconMarked->SetOpacity(opacity); |
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442 } |
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443 } |
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444 iLayout->UpdateChildrenLayout(); |
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445 } |
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446 |
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447 |
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448 // --------------------------------------------------------------------------- |
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449 // From class MFsTreeItemVisualizer. |
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450 // A call to this function means that the item is requested to draw itself |
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451 // within specified parent layout. |
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452 // --------------------------------------------------------------------------- |
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453 // |
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454 void CFsTreeRichItemVisualizer::ShowL( CAlfLayout& aParentLayout, const TUint aTimeout ) |
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455 { |
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456 FUNC_LOG; |
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457 if ( !iLayout ) |
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458 { |
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459 iParentLayout = &aParentLayout; |
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460 |
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461 iLayout = CAlfAnchorLayout::AddNewL(iOwnerControl, iParentLayout); |
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462 iLayout->EnableBrushesL(); |
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463 iLayout->SetClipping(ETrue); |
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464 |
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465 if ( !iIconVisual ) |
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466 { |
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467 iIconVisual = |
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468 CAlfImageVisual::AddNewL( iOwnerControl, iLayout ); |
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469 iIconVisual->SetScaleMode( CAlfImageVisual::EScaleFit ); |
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470 } |
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471 |
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472 if ( !iIconMarked ) |
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473 { |
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474 iIconMarked = |
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475 CAlfImageVisual::AddNewL( iOwnerControl, iLayout ); |
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476 iIconMarked->SetScaleMode( CAlfImageVisual::EScaleFit ); |
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477 } |
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478 |
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479 if ( !iIconMenu ) |
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480 { |
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481 iIconMenu = |
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482 CAlfImageVisual::AddNewL( iOwnerControl, iLayout ); |
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483 iIconMenu->SetScaleMode( CAlfImageVisual::EScaleFit ); |
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484 } |
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485 } |
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486 else |
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487 { |
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488 //visuals are already created but not attached to the list layout |
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489 if (!iLayout->Layout()) |
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490 { |
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491 aParentLayout.Append(iLayout, aTimeout); |
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492 iParentLayout = &aParentLayout; |
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493 } |
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494 } |
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495 } |
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496 |
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497 |
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498 // --------------------------------------------------------------------------- |
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499 // From class MFsTreeItemVisualizer. |
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500 // A call to this function means that the item is requested to update its |
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501 // visual content. |
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502 // --------------------------------------------------------------------------- |
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503 // |
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504 void CFsTreeRichItemVisualizer::UpdateL( |
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505 const MFsTreeItemData& aData, |
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506 TBool /*aFocused*/, |
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507 const TUint aLevel, |
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508 CAlfTexture*& aMarkIcon, |
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509 CAlfTexture*& aMenuIcon, |
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510 const TUint /*aTimeout*/, |
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511 TBool aUpdateData) |
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512 { |
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513 FUNC_LOG; |
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514 if ( iLayout ) |
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515 { |
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516 iSize.iWidth = iParentLayout->Size().Target().iX - |
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517 iParentLayout->PaddingInPixels().Width(); |
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518 iExtendedSize.iWidth = iSize.iWidth; |
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519 |
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520 if ( KFsTreeRichItemDataType == aData.Type() ) |
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521 { |
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522 const CFsTreeRichItemData* data( |
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523 static_cast<const CFsTreeRichItemData*>(&aData)); |
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524 |
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525 if (iIconVisual) |
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526 { |
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527 if ( data->IsIconSet() ) |
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528 { |
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529 iIconVisual->SetScaleMode( CAlfImageVisual::EScaleFit ); |
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530 iIconVisual->SetImage( TAlfImage(data->Icon())); |
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531 } |
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532 } |
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533 |
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534 if (iFlags & KFsTreeListItemMarked) |
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535 { |
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536 iIconMarked->SetScaleMode( CAlfImageVisual::EScaleFit ); |
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537 iIconMarked->SetImage(TAlfImage(*aMarkIcon)); |
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538 } |
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539 |
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540 if (iFlags & KFsTreeListItemHasMenu) |
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541 { |
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542 iIconMenu->SetScaleMode( CAlfImageVisual::EScaleFit ); |
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543 iIconMenu->SetImage(TAlfImage(*aMenuIcon)); |
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544 } |
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545 |
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546 iLayout->Env().SetRefreshMode(EAlfRefreshModeManual); |
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547 |
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548 if (iTextLayout) |
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549 { |
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550 iTextLayout->RemoveAndDestroyAllD(); |
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551 } |
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552 iTextLayout = CAlfFlowLayout::AddNewL(iOwnerControl, iLayout); |
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553 iTextLayout->SetFlowDirection(CAlfFlowLayout::EFlowHorizontal); |
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554 |
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555 const TInt indent( iTextIndentation * ( aLevel - 1 ) ); |
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556 UpdateLayout(data, indent); |
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557 |
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558 if (aUpdateData) |
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559 { |
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560 CreateTextLineL(iOwnerControl, iTextLayout, data, |
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561 iTextLayout->Size().Target().AsSize()); |
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562 } |
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563 |
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564 iLayout->Env().SetRefreshMode(EAlfRefreshModeAutomatic); |
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565 |
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566 } |
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567 } |
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568 } |
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569 |
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570 |
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571 // --------------------------------------------------------------------------- |
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572 // From class MFsTreeItemVisualizer. |
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573 // A call to this function means that the item goes out of the visible items |
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574 // scope. |
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575 // --------------------------------------------------------------------------- |
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576 // |
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577 void CFsTreeRichItemVisualizer::Hide( const TInt aTimeout ) |
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578 { |
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579 FUNC_LOG; |
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580 if ( iLayout ) |
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581 { |
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582 iParentLayout->Remove( iLayout, aTimeout ); |
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583 iLayout->RemoveAndDestroyAllD(); |
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584 iLayout = NULL; |
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585 iParentLayout = NULL; |
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586 iTextLayout = NULL; |
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587 iIconMarked = NULL; |
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588 iIconMenu = NULL; |
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589 iIconVisual = NULL; |
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590 } |
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591 } |
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592 |
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593 |
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594 // --------------------------------------------------------------------------- |
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595 // From MFsTreeItemVisualizer. |
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596 // This method marquees the text in tree item if it is too long. |
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597 // --------------------------------------------------------------------------- |
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598 // |
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599 void CFsTreeRichItemVisualizer::MarqueeL(const TFsTextMarqueeType /*aMarqueeType*/, |
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600 const TUint /*aMarqueeSpeed*/, |
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601 const TInt /*aMarqueeStartDelay*/, |
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602 const TInt /*aMarqueeCycleStartDelay*/, |
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603 const TInt /*aMarqueeRepetitions*/) |
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604 { |
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605 FUNC_LOG; |
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606 } |
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607 |