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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: Implementation of class CFsTextViewerCoordinator |
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15 * |
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16 */ |
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17 |
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18 |
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19 #include "emailtrace.h" |
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20 #include "fstextviewercoordinator.h" |
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21 |
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22 // --------------------------------------------------------------------------- |
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23 // NewL |
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24 // --------------------------------------------------------------------------- |
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25 // |
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26 CFsTextViewerCoordinator* CFsTextViewerCoordinator::NewL() |
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27 { |
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28 FUNC_LOG; |
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29 CFsTextViewerCoordinator* self = |
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30 new ( ELeave ) CFsTextViewerCoordinator(); |
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31 CleanupStack::PushL( self ); |
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32 self->ConstructL(); |
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33 CleanupStack::Pop( self ); |
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34 return self; |
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35 } |
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36 |
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37 // --------------------------------------------------------------------------- |
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38 // ~CFsTextViewerCoordinator |
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39 // --------------------------------------------------------------------------- |
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40 // |
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41 CFsTextViewerCoordinator::~CFsTextViewerCoordinator() |
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42 { |
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43 FUNC_LOG; |
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44 if ( iObstacles ) |
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45 { |
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46 iObstacles->ResetAndDestroy(); |
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47 delete iObstacles; |
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48 iObstacles = NULL; |
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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 // RegisterObstacle |
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54 // --------------------------------------------------------------------------- |
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55 // |
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56 void CFsTextViewerCoordinator::RegisterObstacleL( const TRect& aRect ) |
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57 { |
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58 FUNC_LOG; |
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59 TRect* append = new (ELeave) TRect(); |
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60 append->iTl = aRect.iTl; |
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61 append->iBr = aRect.iBr; |
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62 iObstacles->AppendL( append ); |
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63 } |
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64 |
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65 // --------------------------------------------------------------------------- |
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66 // Contains |
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67 // --------------------------------------------------------------------------- |
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68 // |
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69 TBool CFsTextViewerCoordinator::Contains( const TRect aRect ) |
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70 { |
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71 FUNC_LOG; |
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72 TBool retVal = EFalse; |
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73 |
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74 if ( aRect.iBr.iX > iSize.iWidth + iLeftMargin ) |
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75 { |
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76 retVal = ETrue; |
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77 iLastObstacle = -1; |
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78 } |
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79 else |
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80 { |
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81 for ( TInt i = 0; i < iObstacles->Count(); ++i ) |
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82 { |
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83 if ( iObstacles->At(i)->Intersects( aRect ) ) |
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84 { |
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85 iLastObstacle = i; |
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86 retVal = ETrue; |
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87 } |
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88 } |
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89 } |
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90 |
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91 return retVal; |
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92 } |
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93 |
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94 // --------------------------------------------------------------------------- |
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95 // SetSize |
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96 // --------------------------------------------------------------------------- |
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97 // |
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98 void CFsTextViewerCoordinator::SetSize( const TSize& aSize ) |
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99 { |
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100 FUNC_LOG; |
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101 iSize = aSize; |
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102 } |
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103 |
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104 // --------------------------------------------------------------------------- |
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105 // NextFreeCol |
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106 // --------------------------------------------------------------------------- |
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107 // |
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108 TInt CFsTextViewerCoordinator::NextFreeCol() const |
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109 { |
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110 FUNC_LOG; |
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111 TInt retVal = 0; |
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112 if ( iLastObstacle >=0 && iLastObstacle < iObstacles->Count() ) |
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113 { |
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114 retVal = iLastObstacle == -1 ? 0 : iObstacles->At(iLastObstacle)->iBr.iX; |
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115 } |
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116 return retVal; |
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117 } |
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118 |
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119 // --------------------------------------------------------------------------- |
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120 // NextFreeCol |
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121 // --------------------------------------------------------------------------- |
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122 TBool CFsTextViewerCoordinator::NextFreeCol( TRect& aRect, TBidiText::TDirectionality aDirection ) const |
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123 { |
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124 FUNC_LOG; |
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125 TRect target = aRect; |
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126 TBool retVal = EFalse; |
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127 TInt dX; |
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128 |
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129 for ( TInt i = 0; i < iObstacles->Count(); ++i ) |
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130 { |
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131 if ( target.Intersects( *iObstacles->At(i) ) ) |
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132 { |
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133 if ( aDirection == TBidiText::ELeftToRight ) |
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134 { |
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135 dX = iObstacles->At(i)->iBr.iX - target.iTl.iX; |
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136 target.iTl.iX += dX; |
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137 target.iBr.iX += dX; |
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138 } |
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139 else |
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140 { |
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141 dX = target.iBr.iX - iObstacles->At(i)->iTl.iX; |
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142 target.iTl.iX -= dX; |
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143 target.iBr.iX -= dX; |
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144 } |
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145 } |
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146 } |
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147 |
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148 if ( target.iBr.iX > iSize.iWidth - iRightMargin || target.iTl.iX < iLeftMargin ) |
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149 { |
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150 if ( aDirection == TBidiText::ELeftToRight ) |
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151 { |
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152 dX = target.iTl.iX - iLeftMargin ; |
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153 target.iTl.iX -= dX; |
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154 target.iBr.iX -= dX; |
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155 target.iTl.iY += target.Height(); |
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156 target.iBr.iY += target.Height(); |
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157 retVal = ETrue; |
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158 } |
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159 else |
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160 { |
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161 dX = iSize.iWidth - iRightMargin - target.iBr.iX; |
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162 target.iTl.iX += dX; |
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163 target.iBr.iX += dX; |
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164 target.iTl.iY += target.Height(); |
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165 target.iBr.iY += target.Height(); |
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166 retVal = ETrue; |
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167 } |
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168 } |
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169 |
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170 aRect = target; |
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171 return retVal; |
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172 } |
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173 |
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174 // --------------------------------------------------------------------------- |
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175 // IsNewLine |
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176 // --------------------------------------------------------------------------- |
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177 // |
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178 TBool CFsTextViewerCoordinator::IsNewLine() const |
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179 { |
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180 FUNC_LOG; |
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181 TBool retVal; |
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182 retVal = iLastObstacle == -1 ? ETrue : EFalse; |
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183 return retVal; |
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184 } |
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185 |
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186 // --------------------------------------------------------------------------- |
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187 // SetNewLine |
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188 // --------------------------------------------------------------------------- |
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189 // |
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190 void CFsTextViewerCoordinator::SetNewLine() |
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191 { |
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192 FUNC_LOG; |
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193 iLastObstacle = -1; |
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194 } |
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195 |
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196 // --------------------------------------------------------------------------- |
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197 // RemoveRect |
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198 // --------------------------------------------------------------------------- |
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199 void CFsTextViewerCoordinator::RemoveRect( TRect aRect ) |
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200 { |
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201 FUNC_LOG; |
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202 for ( TInt i = 0; i < iObstacles->Count(); ++i ) |
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203 { |
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204 if ( iObstacles->At(i)->iTl.iX == aRect.iTl.iX && iObstacles->At(i)->iTl.iY == aRect.iTl.iY ) |
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205 { |
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206 delete iObstacles->At(i); |
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207 iObstacles->At(i) = NULL; |
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208 iObstacles->Delete(i); |
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209 } |
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210 } |
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211 |
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212 iLastObstacle = -1; |
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213 |
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214 if ( iLastObstacle >= iObstacles->Count() ) |
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215 { |
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216 iLastObstacle = iObstacles->Count() - 1; |
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217 } |
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218 } |
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219 |
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220 // --------------------------------------------------------------------------- |
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221 // RemoveFromOffset |
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222 // --------------------------------------------------------------------------- |
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223 void CFsTextViewerCoordinator::RemoveFromOffset( TInt aOffset ) |
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224 { |
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225 FUNC_LOG; |
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226 for ( TInt i = aOffset; i < iObstacles->Count(); ++i ) |
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227 { |
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228 delete iObstacles->At(i); |
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229 iObstacles->At(i) = NULL; |
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230 iObstacles->Delete(i); |
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231 } |
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232 iLastObstacle = iObstacles->Count() - 1; |
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233 } |
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234 |
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235 // --------------------------------------------------------------------------- |
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236 // Reset |
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237 // --------------------------------------------------------------------------- |
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238 void CFsTextViewerCoordinator::Reset() |
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239 { |
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240 FUNC_LOG; |
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241 iObstacles->ResetAndDestroy(); |
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242 iLastObstacle = -1; |
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243 } |
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244 |
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245 // --------------------------------------------------------------------------- |
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246 // SetLeftMargin |
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247 // --------------------------------------------------------------------------- |
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248 void CFsTextViewerCoordinator::SetLeftMargin( TInt aMargin ) |
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249 { |
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250 FUNC_LOG; |
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251 iLeftMargin = aMargin; |
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252 } |
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253 |
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254 // --------------------------------------------------------------------------- |
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255 // SetRightMargin |
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256 // --------------------------------------------------------------------------- |
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257 void CFsTextViewerCoordinator::SetRightMargin( TInt aMargin ) |
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258 { |
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259 iRightMargin = aMargin; |
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260 } |
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261 |
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262 // --------------------------------------------------------------------------- |
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263 // CFsTextViewerCoordinator |
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264 // --------------------------------------------------------------------------- |
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265 CFsTextViewerCoordinator::CFsTextViewerCoordinator() |
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266 { |
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267 FUNC_LOG; |
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268 iLastObstacle = -1; |
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269 iLeftMargin = 0; |
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270 } |
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271 |
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272 // --------------------------------------------------------------------------- |
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273 // ConstructL |
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274 // --------------------------------------------------------------------------- |
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275 void CFsTextViewerCoordinator::ConstructL() |
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276 { |
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277 FUNC_LOG; |
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278 iObstacles = new (ELeave) CArrayPtrSeg<TRect>(10); |
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279 } |
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280 |