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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: Responsible for marking capabilities |
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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 //<cmail> removed __FS_ALFRED_SUPPORT flag |
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20 //#include <fsconfig.h> |
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21 //</cmail> removed __FS_ALFRED_SUPPORT flag |
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22 // <cmail> SF |
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23 #include "emailtrace.h" |
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24 #include <alf/alfanchorlayout.h> |
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25 #include <alf/alfcontrol.h> |
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26 #include <alf/alftextvisual.h> |
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27 #include <alf/alfimagevisual.h> |
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28 #include <alf/alfborderbrush.h> |
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29 #include <alf/alfbrusharray.h> |
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30 // </cmail> |
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31 |
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32 #include "fstextviewermarkfacility.h" |
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33 #include "fstextviewerskindata.h" |
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34 |
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35 |
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36 // --------------------------------------------------------------------------- |
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37 // NewL |
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38 // --------------------------------------------------------------------------- |
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39 CFsTextViewerMarkFacility* CFsTextViewerMarkFacility::NewL( |
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40 CAlfLayout* aLayout, |
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41 CAlfControl* aControl, |
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42 CFsTextViewerVisualizerData* aNavigator, |
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43 CFsTextViewerSkinData* aSkinData ) |
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44 { |
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45 FUNC_LOG; |
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46 CFsTextViewerMarkFacility* self = new (ELeave) CFsTextViewerMarkFacility( |
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47 aLayout, |
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48 aControl, |
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49 aNavigator, |
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50 aSkinData ); |
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51 CleanupStack::PushL( self ); |
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52 self->ConstructL(); |
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53 CleanupStack::Pop( self ); |
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54 return self; |
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55 } |
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56 |
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57 // --------------------------------------------------------------------------- |
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58 // ~CFsTextViewerMarkFacility |
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59 // --------------------------------------------------------------------------- |
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60 CFsTextViewerMarkFacility::~CFsTextViewerMarkFacility() |
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61 { |
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62 FUNC_LOG; |
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63 if ( iLayout ) |
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64 { |
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65 iLayout->RemoveAndDestroyAllD(); |
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66 } |
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67 |
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68 if ( iBorder ) |
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69 { |
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70 delete iBorder; |
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71 } |
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72 |
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73 iVisuals.Close(); |
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74 } |
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75 |
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76 // --------------------------------------------------------------------------- |
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77 // SetHeadOffset |
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78 // --------------------------------------------------------------------------- |
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79 void CFsTextViewerMarkFacility::SetHeadOffsetL( TInt aHead ) |
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80 { |
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81 FUNC_LOG; |
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82 iHead = aHead; |
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83 TInt visualIndex = iNavigator->Find( iHead ); |
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84 |
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85 TInt begin = iNavigator->GetVisStartOffset( visualIndex ); |
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86 TInt end = iNavigator->GetVisEndOffset( visualIndex ); |
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87 |
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88 CAlfVisual* visual = CreateMarkVisualL( |
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89 iNavigator->GetVisual( visualIndex ), |
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90 begin, |
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91 end ); |
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92 } |
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93 |
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94 // --------------------------------------------------------------------------- |
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95 // SetTailOffset |
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96 // --------------------------------------------------------------------------- |
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97 void CFsTextViewerMarkFacility::SetTailOffsetL( TInt /* aTail */ ) |
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98 { |
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99 FUNC_LOG; |
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100 |
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101 } |
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102 |
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103 // --------------------------------------------------------------------------- |
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104 // FollowCursor |
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105 // --------------------------------------------------------------------------- |
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106 void CFsTextViewerMarkFacility::FollowCursorL() |
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107 { |
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108 FUNC_LOG; |
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109 if ( iHead < iNavigator->GetCursorCharOffset() ) |
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110 { |
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111 iTail = iNavigator->FindPrevChar(); |
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112 } |
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113 else if ( iHead > iNavigator->GetCursorCharOffset() ) |
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114 { |
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115 iTail = iNavigator->GetCursorCharOffset(); |
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116 } |
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117 else |
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118 { |
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119 iTail = iHead; |
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120 } |
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121 |
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122 TInt visualIndex = iNavigator->Find( iTail ); |
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123 |
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124 TInt begin = iNavigator->GetVisStartOffset( visualIndex ); |
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125 TInt end = iNavigator->GetVisEndOffset( visualIndex ); |
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126 CAlfVisual* visual = NULL; |
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127 |
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128 visual = Find( iTail ); |
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129 |
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130 if ( !visual ) |
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131 { |
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132 visual = CreateMarkVisualL( |
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133 iNavigator->GetVisual( visualIndex ), |
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134 begin, |
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135 end ); |
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136 } |
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137 |
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138 CAlfImageVisual* imageVisual( dynamic_cast<CAlfImageVisual*>( visual ) ); |
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139 CAlfTextVisual* textVisual( dynamic_cast<CAlfTextVisual*>( visual ) ); |
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140 if ( imageVisual ) |
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141 { |
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142 UpdateImageVisualL( visual, iNavigator->GetVisual( visualIndex ) ); |
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143 } |
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144 else if ( textVisual ) |
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145 { |
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146 if ( iHead == iNavigator->GetCursorCharOffset() ) |
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147 { |
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148 begin = LocalVisOffset( iHead ); |
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149 end = LocalVisOffset( iHead ); |
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150 } |
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151 else if ( iTail >= iHead ) |
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152 { |
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153 begin = IsHeadVisual( iTail ) ? LocalVisOffset( iHead ) : 0; |
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154 end = LocalVisOffset( iTail ) + 1; |
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155 } |
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156 else if ( iTail < iHead ) |
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157 { |
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158 begin = LocalVisOffset( iTail ); |
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159 end = IsHeadVisual( iTail ) |
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160 ? LocalVisOffset( iHead ) |
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161 : VisualLength( visual ); |
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162 } |
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163 |
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164 UpdateTextVisualL( |
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165 visual, |
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166 iNavigator->GetVisual( visualIndex ), |
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167 begin, |
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168 end ); |
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169 } |
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170 |
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171 DeleteUnused(); |
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172 } |
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173 |
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174 // --------------------------------------------------------------------------- |
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175 // SetLayout |
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176 // --------------------------------------------------------------------------- |
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177 void CFsTextViewerMarkFacility::SetLayout( CAlfLayout* aLayout ) |
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178 { |
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179 FUNC_LOG; |
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180 iLayout = aLayout; |
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181 iVisuals.Reset(); |
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182 } |
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183 |
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184 // --------------------------------------------------------------------------- |
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185 // GetRange |
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186 // --------------------------------------------------------------------------- |
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187 void CFsTextViewerMarkFacility::GetRange( TInt& aBegin, TInt& aEnd ) const |
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188 { |
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189 FUNC_LOG; |
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190 aBegin = iHead; |
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191 aEnd = iTail; |
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192 } |
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193 |
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194 // --------------------------------------------------------------------------- |
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195 // CreateMarkVisualL |
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196 // --------------------------------------------------------------------------- |
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197 CAlfVisual* CFsTextViewerMarkFacility::CreateMarkVisualL( |
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198 CAlfVisual* aVisual, |
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199 TInt aBegin, |
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200 TInt aEnd ) |
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201 { |
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202 FUNC_LOG; |
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203 CAlfImageVisual* imageVisual( dynamic_cast<CAlfImageVisual*>( aVisual ) ); |
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204 CAlfTextVisual* textVisual( dynamic_cast<CAlfTextVisual*>( aVisual ) ); |
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205 TFsRangedVisual visual; |
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206 |
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207 visual.iStart = aBegin; |
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208 visual.iEnd = aEnd; |
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209 |
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210 if ( imageVisual ) |
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211 { |
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212 visual.iVisual = CAlfImageVisual::AddNewL( *iControl, iLayout ); |
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213 } |
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214 else if ( textVisual ) |
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215 { |
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216 visual.iVisual = CAlfTextVisual::AddNewL( *iControl, iLayout ); |
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217 static_cast<CAlfTextVisual*>(visual.iVisual)->SetStyle( |
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218 EAlfTextStyleNormal, |
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219 EAlfBackgroundTypeLight ); |
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220 static_cast<CAlfTextVisual*>(visual.iVisual)->EnableShadow( EFalse ); |
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221 static_cast<CAlfTextVisual*>(visual.iVisual)->SetAlign( |
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222 EAlfAlignHLeft, |
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223 EAlfAlignVBottom ); |
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224 static_cast<CAlfTextVisual*>(visual.iVisual)->SetColor( |
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225 iSkinData->iMarkedTextColor ); |
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226 static_cast<CAlfTextVisual*>(visual.iVisual)->SetTextStyle( |
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227 static_cast<CAlfTextVisual*>(aVisual)->Style() ); |
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228 visual.iVisual->SetClipping(); |
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229 } |
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230 |
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231 visual.iVisual->EnableBrushesL(); |
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232 visual.iVisual->Brushes()->AppendL( iBorder, EAlfDoesNotHaveOwnership ); |
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233 |
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234 iVisuals.AppendL( visual ); |
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235 |
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236 return visual.iVisual; |
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237 } |
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238 |
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239 // --------------------------------------------------------------------------- |
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240 // UpdateImageVisualL |
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241 // --------------------------------------------------------------------------- |
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242 void CFsTextViewerMarkFacility::UpdateImageVisualL( |
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243 CAlfVisual* aVisual, |
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244 CAlfVisual* aBaseVisual ) |
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245 { |
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246 FUNC_LOG; |
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247 TRect markRect = aBaseVisual->DisplayRectTarget(); |
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248 aVisual->SetRect( markRect ); |
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249 } |
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250 |
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251 // --------------------------------------------------------------------------- |
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252 // UpdateTextVisualL |
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253 // --------------------------------------------------------------------------- |
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254 void CFsTextViewerMarkFacility::UpdateTextVisualL( CAlfVisual* aVisual, |
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255 CAlfVisual* aBaseVisual, |
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256 TInt aBegin, TInt aEnd ) |
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257 { |
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258 FUNC_LOG; |
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259 CAlfTextVisual* visual = static_cast<CAlfTextVisual*>(aBaseVisual); |
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260 CAlfTextVisual* targetVisual = static_cast<CAlfTextVisual*>(aVisual); |
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261 TRect markRect = visual->SubstringExtents( aBegin, aEnd ); |
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262 markRect.Move( visual->DisplayRectTarget().iTl ); |
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263 |
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264 HBufC* text = visual->Text().AllocL(); |
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265 targetVisual->SetTextL( text->Mid( aBegin, aEnd - aBegin ) ); |
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266 targetVisual->SetRect( markRect ); |
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267 delete text; |
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268 } |
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269 |
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270 // --------------------------------------------------------------------------- |
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271 // ConstructL |
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272 // --------------------------------------------------------------------------- |
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273 void CFsTextViewerMarkFacility::ConstructL() |
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274 { |
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275 FUNC_LOG; |
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276 iBorder = CAlfBorderBrush::NewL( iControl->Env(), 1, 1, 0, 0 ); |
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277 iBorder->SetColor( KRgbBlack ); |
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278 iBorder->SetOpacity( .55f ); |
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279 } |
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280 |
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281 // --------------------------------------------------------------------------- |
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282 // CFsTextViewerMarkFacility |
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283 // --------------------------------------------------------------------------- |
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284 CFsTextViewerMarkFacility::CFsTextViewerMarkFacility( |
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285 CAlfLayout* aLayout, |
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286 CAlfControl* aControl, |
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287 CFsTextViewerVisualizerData* aNavigator, |
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288 CFsTextViewerSkinData* aSkinData ) |
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289 { |
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290 FUNC_LOG; |
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291 iLayout = aLayout; |
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292 iControl = aControl; |
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293 iNavigator = aNavigator; |
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294 iSkinData = aSkinData; |
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295 } |
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296 |
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297 // --------------------------------------------------------------------------- |
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298 // VisualLength |
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299 // --------------------------------------------------------------------------- |
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300 TInt CFsTextViewerMarkFacility::VisualLength( CAlfVisual* aVisual ) |
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301 { |
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302 FUNC_LOG; |
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303 TInt retVal = KErrNone; |
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304 for ( TInt i = 0; i < iVisuals.Count(); ++i ) |
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305 { |
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306 if ( iVisuals[i].iVisual == aVisual ) |
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307 { |
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308 retVal = iVisuals[i].iEnd - iVisuals[i].iStart + 1; |
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309 } |
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310 } |
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311 return retVal; |
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312 } |
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313 |
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314 // --------------------------------------------------------------------------- |
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315 // Find |
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316 // --------------------------------------------------------------------------- |
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317 TInt CFsTextViewerMarkFacility::Find( CAlfVisual* aVisual ) |
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318 { |
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319 FUNC_LOG; |
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320 TInt retVal = KErrNone; |
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321 for ( TInt i = 0; i < iVisuals.Count(); ++i ) |
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322 { |
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323 if ( iVisuals[i].iVisual == aVisual ) |
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324 { |
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325 retVal = i; |
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326 } |
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327 } |
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328 return retVal; |
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329 } |
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330 |
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331 // --------------------------------------------------------------------------- |
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332 // Find |
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333 // --------------------------------------------------------------------------- |
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334 CAlfVisual* CFsTextViewerMarkFacility::Find( TInt aOffset ) |
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335 { |
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336 FUNC_LOG; |
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337 CAlfVisual* retVal = NULL; |
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338 |
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339 for ( TInt i = 0; i < iVisuals.Count(); ++i ) |
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340 { |
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341 if ( aOffset >= iVisuals[i].iStart && aOffset <= iVisuals[i].iEnd ) |
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342 { |
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343 retVal = iVisuals[i].iVisual; |
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344 } |
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345 } |
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346 |
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347 return retVal; |
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348 } |
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349 |
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350 // --------------------------------------------------------------------------- |
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351 // Find |
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352 // --------------------------------------------------------------------------- |
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353 TInt CFsTextViewerMarkFacility::FindIndex( TInt aOffset ) |
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354 { |
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355 FUNC_LOG; |
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356 TInt retVal = -1; |
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357 |
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358 for ( TInt i = 0; i < iVisuals.Count(); ++i ) |
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359 { |
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360 if ( aOffset >= iVisuals[i].iStart && aOffset <= iVisuals[i].iEnd ) |
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361 { |
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362 retVal = i; |
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363 } |
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364 } |
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365 |
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366 return retVal; |
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367 } |
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368 |
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369 // --------------------------------------------------------------------------- |
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370 // LocalVisOffset |
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371 // --------------------------------------------------------------------------- |
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372 TInt CFsTextViewerMarkFacility::LocalVisOffset( TInt aGlobalOffset ) |
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373 { |
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374 FUNC_LOG; |
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375 TInt retVal = -1; |
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376 TInt start = |
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377 iNavigator->GetVisStartOffset( iNavigator->Find( aGlobalOffset ) ); |
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378 retVal = aGlobalOffset - start; |
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379 |
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380 return retVal; |
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381 } |
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382 |
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383 // --------------------------------------------------------------------------- |
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384 // DeleteUnused |
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385 // --------------------------------------------------------------------------- |
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386 void CFsTextViewerMarkFacility::DeleteUnused() |
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387 { |
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388 FUNC_LOG; |
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389 TInt begin = Min( iHead, iTail ); |
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390 TInt end = Max( iHead, iTail ); |
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391 for ( TInt i = 0; i < iVisuals.Count(); ++i ) |
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392 { |
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393 if ( ( iVisuals[i].iStart >= begin |
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394 && iVisuals[i].iStart <= end ) |
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395 || ( iVisuals[i].iEnd >= begin |
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396 && iVisuals[i].iEnd <= end ) |
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397 || ( iVisuals[i].iStart <= begin |
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398 && iVisuals[i].iEnd >= begin ) ) |
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399 { |
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400 |
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401 } |
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402 else |
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403 { |
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404 iVisuals[i].iVisual->RemoveAndDestroyAllD(); |
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405 iVisuals.Remove( i ); |
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406 } |
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407 } |
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408 } |
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409 |
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410 // --------------------------------------------------------------------------- |
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411 // IsHeadVisual |
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412 // --------------------------------------------------------------------------- |
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413 TBool CFsTextViewerMarkFacility::IsHeadVisual( TInt aGlobalOffset ) |
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414 { |
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415 FUNC_LOG; |
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416 TBool retVal = EFalse; |
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417 |
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418 TInt headIndex = FindIndex( iHead ); |
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419 |
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420 if ( headIndex >= 0 |
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421 && headIndex < iVisuals.Count() |
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422 && aGlobalOffset <= iVisuals[headIndex].iEnd |
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423 && aGlobalOffset >= iVisuals[headIndex].iStart ) |
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424 { |
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425 retVal = ETrue; |
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426 } |
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427 |
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428 return retVal; |
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429 } |
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430 |