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1 /* |
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2 * Copyright (c) 2003 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: SVG Implementation source file |
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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 "SVGFontHashMap.h" |
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20 #include "SVGDocumentImpl.h" |
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21 |
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22 //SVG Font storage |
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23 |
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24 // ========================================================================== |
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25 // Need method description |
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26 // ========================================================================== |
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27 CSvgFontHashMap* CSvgFontHashMap::NewL() |
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28 { |
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29 CSvgFontHashMap* self = new ( ELeave ) CSvgFontHashMap; |
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30 CleanupStack::PushL( self ); |
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31 self->ConstructL(); |
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32 CleanupStack::Pop(); |
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33 |
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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 // Need method description |
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39 // ========================================================================== |
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40 CSvgFontHashMap* CSvgFontHashMap::NewLC() |
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41 { |
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42 CSvgFontHashMap* self = new ( ELeave ) CSvgFontHashMap; |
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43 CleanupStack::PushL( self ); |
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44 self->ConstructL(); |
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45 |
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46 return self; |
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47 } |
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48 |
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49 // ========================================================================== |
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50 // Need method description |
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51 // ========================================================================== |
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52 void CSvgFontHashMap::ConstructL() |
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53 { |
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54 } |
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55 |
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56 // ========================================================================== |
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57 // Need method description |
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58 // ========================================================================== |
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59 CSvgFontHashMap::CSvgFontHashMap() |
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60 |
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61 { |
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62 } |
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63 |
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64 // ========================================================================== |
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65 // Need method description |
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66 // ========================================================================== |
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67 CSvgFontHashMap::~CSvgFontHashMap() |
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68 { |
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69 iSvgFontMapItems.ResetAndDestroy(); |
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70 iSvgFontMapItems.Close(); |
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71 |
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72 iFontDocumentPointers.ResetAndDestroy(); |
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73 iFontDocumentPointers.Close(); |
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74 } |
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75 |
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76 // ========================================================================== |
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77 // CSvgFontHashMap::AddFontL( CSvgFontElementImpl* aFontPtr, |
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78 // const TDesC& aFontFamilyName ) |
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79 // return ETrue if Font added |
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80 // return EFalse if Font was already in map |
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81 // ========================================================================== |
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82 TBool CSvgFontHashMap::AddFontL( CSvgFontElementImpl* aFontPtr, |
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83 const TDesC& aFontFamilyName ) |
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84 { |
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85 CSvgFontMapItem* lFontMapItem = GetFontMapItem( aFontFamilyName ); |
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86 |
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87 if (lFontMapItem) |
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88 { |
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89 //already a reference to this font in the font map |
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90 AddReferenceToFontL( aFontFamilyName); |
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91 return EFalse; |
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92 } |
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93 else |
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94 { |
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95 //didnt find that font in the font map...add it |
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96 CSvgFontMapItem* lNewSvgFontMapItem = CSvgFontMapItem::NewL( ); |
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97 |
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98 lNewSvgFontMapItem->SetFontPtr( aFontPtr ); |
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99 lNewSvgFontMapItem->CopyFontFamilyName( aFontFamilyName ); |
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100 lNewSvgFontMapItem->IncrementReferenceCount(); |
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101 |
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102 iSvgFontMapItems.Append(lNewSvgFontMapItem); |
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103 |
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104 return ETrue; |
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105 } |
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106 } |
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107 |
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108 // -------------------------------------------------------------------------- |
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109 // void CSvgFontHashMap::AddReferenceToFontL( CFbsBitmap* aFont, |
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110 // return ETrue if reference successfully added |
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111 // return EFalse if already in map so just incremented reference |
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112 // --------------------------------------------------------------------------- |
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113 TBool CSvgFontHashMap::AddReferenceToFontL( const TDesC& aFontFamilyName ) |
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114 { |
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115 CSvgFontMapItem* lFontMapItem = GetFontMapItem( aFontFamilyName ); |
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116 |
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117 if (lFontMapItem) |
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118 { |
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119 //already a reference to this Font in the Font map |
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120 lFontMapItem->IncrementReferenceCount(); |
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121 return ETrue; |
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122 } |
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123 else |
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124 { |
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125 return EFalse; |
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126 } |
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127 |
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128 } |
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129 |
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130 // -------------------------------------------------------------------------- |
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131 // TBool CSvgFontHashMap::HasFontName( const TDesC& aFontName |
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132 // --------------------------------------------------------------------------- |
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133 TBool CSvgFontHashMap::HasFontFamilyName( const TDesC& aFontFamilyName ) |
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134 { |
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135 TBool lHaveFont = EFalse; |
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136 |
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137 TInt svgFontMapItemsCnt = iSvgFontMapItems.Count(); |
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138 for (TInt i=0; i < svgFontMapItemsCnt; i++) |
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139 { |
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140 if ( aFontFamilyName == ((CSvgFontMapItem*)iSvgFontMapItems[i])->GetFontFamilyName() ) |
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141 { |
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142 lHaveFont = ETrue; |
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143 } |
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144 } |
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145 |
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146 return lHaveFont; |
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147 |
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148 } |
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149 |
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150 // -------------------------------------------------------------------------- |
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151 // CSvgFontMapItem* CSvgFontHashMap::GetFontMapItem( const TDesC& aFontName |
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152 // --------------------------------------------------------------------------- |
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153 CSvgFontMapItem* CSvgFontHashMap::GetFontMapItem( const TDesC& aFontFamilyName ) |
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154 { |
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155 TInt svgFontMapItemsCnt = iSvgFontMapItems.Count(); |
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156 for ( TInt i = 0; i < svgFontMapItemsCnt; i++ ) |
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157 { |
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158 CSvgFontMapItem* lFontMap = (CSvgFontMapItem*)iSvgFontMapItems[i]; |
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159 |
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160 TInt result = aFontFamilyName.Compare( lFontMap->GetFontFamilyName() ); |
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161 |
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162 if ( result == 0 ) |
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163 { |
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164 return lFontMap; |
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165 } |
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166 } |
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167 |
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168 return NULL; |
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169 } |
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170 |
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171 // -------------------------------------------------------------------------- |
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172 // TBool CSvgDocumentImpl::RemoveReferenceFromFontL( const TDesC& aFontName ) |
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173 // returns True if there aren't any left |
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174 // returns False if there are references to that Font left |
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175 // --------------------------------------------------------------------------- |
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176 TBool CSvgFontHashMap::RemoveReferenceFromFontL( const TDesC& aFontFamilyName ) |
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177 { |
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178 |
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179 CSvgFontMapItem* lFontMapItem = GetFontMapItem( aFontFamilyName ); |
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180 |
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181 if (lFontMapItem != NULL) |
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182 { |
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183 //we have this lFontMapElement |
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184 TInt aReferenceCount = lFontMapItem->DecrementReferenceCount(); |
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185 |
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186 if (aReferenceCount <= 0) |
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187 { |
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188 //no more references to this Font remove it from the map |
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189 iSvgFontMapItems.Remove(iSvgFontMapItems.Find(lFontMapItem)); |
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190 delete lFontMapItem; |
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191 return ETrue; |
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192 } |
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193 } |
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194 |
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195 return EFalse; |
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196 } |
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197 |
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198 // -------------------------------------------------------------------------- |
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199 // START OF EXTERNAL SVG FONT DOCUMENT METHODS |
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200 // -------------------------------------------------------------------------- |
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201 // TBool CSvgFontHashMap::AddFontDocument(CSvgDocumentImpl* newFontDocument, const TDesC& aFontFamily) |
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202 // --------------------------------------------------------------------------- |
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203 TBool CSvgFontHashMap::AddFontDocument(CSvgDocumentImpl* aFontDocument, const TDesC& aFontFamily) |
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204 { |
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205 if (aFontDocument == NULL) |
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206 { |
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207 //no document passed in |
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208 return EFalse; |
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209 } |
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210 |
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211 CSvgElementImpl* myFontElement = (CSvgElementImpl*)GetFontPtr(aFontFamily); |
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212 |
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213 if (myFontElement == NULL) |
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214 { |
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215 //no font in of this name in map so we can't add its document handle |
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216 return EFalse; |
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217 } |
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218 |
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219 if ( !HasFontDocument(aFontDocument) ) |
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220 { |
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221 //then add it to the list of font documents |
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222 iFontDocumentPointers.Append(aFontDocument); |
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223 |
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224 //and add it to the current document's font map |
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225 TInt errorcode = KErrNone; |
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226 TRAP(errorcode, AddFontL((CSvgFontElementImpl*)myFontElement, aFontFamily)); |
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227 |
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228 return ETrue; |
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229 } |
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230 |
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231 return EFalse; |
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232 } |
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233 |
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234 // -------------------------------------------------------------------------- |
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235 // void CSvgFontHashMap::DeleteFontDocument(const TDesC& aFontFamily) |
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236 // --------------------------------------------------------------------------- |
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237 void CSvgFontHashMap::DeleteFontDocument(const TDesC& aFontFamily) |
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238 { |
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239 CSvgElementImpl* myFontElement = NULL; |
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240 |
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241 TInt fontDocPointersCnt = iFontDocumentPointers.Count(); |
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242 for (TInt i=0; i < fontDocPointersCnt; i++) |
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243 { |
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244 CSvgDocumentImpl* myDoc = (CSvgDocumentImpl*)iFontDocumentPointers[i]; |
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245 |
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246 myFontElement = (CSvgElementImpl*)GetFontPtr(aFontFamily); |
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247 |
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248 if (myFontElement != NULL) |
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249 { |
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250 iFontDocumentPointers.Remove(i); |
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251 TInt error = KErrNone; |
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252 TRAP(error,RemoveReferenceFromFontL(aFontFamily)); |
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253 if (myDoc) |
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254 { |
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255 delete myDoc; |
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256 myDoc = NULL; |
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257 } |
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258 } |
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259 } |
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260 } |
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261 |
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262 // -------------------------------------------------------------------------- |
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263 // TBool CSvgFontHashMap::HasFontDocument(CSvgDocumentImpl* myDoc) |
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264 // --------------------------------------------------------------------------- |
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265 TBool CSvgFontHashMap::HasFontDocument(CSvgDocumentImpl* myDoc) |
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266 { |
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267 //check to see if we have this document pointer already |
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268 TBool hasFontPointer = EFalse; |
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269 |
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270 TInt fontDocPointersCnt = iFontDocumentPointers.Count(); |
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271 for (TInt i=0; i < fontDocPointersCnt; i++) |
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272 { |
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273 if ((CSvgDocumentImpl*)iFontDocumentPointers[i] == myDoc) |
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274 { |
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275 hasFontPointer = ETrue; |
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276 } |
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277 } |
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278 |
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279 return hasFontPointer; |
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280 } |
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281 |
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282 // -------------------------------------------------------------------------- |
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283 //END OF EXTERNAL SVG FONT DOCUMENT |
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284 // -------------------------------------------------------------------------- |
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285 |
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286 // -------------------------------------------------------------------------- |
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287 // void CSvgFontHashMap::PrintFontHashMap( ) |
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288 // --------------------------------------------------------------------------- |
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289 void CSvgFontHashMap::PrintFontHashMap() |
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290 { |
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291 RDebug::Printf("----Font Hash Map----\n"); |
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292 TInt svgFontMapItemsCnt = iSvgFontMapItems.Count(); |
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293 for (TInt i=0; i< svgFontMapItemsCnt; i++) |
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294 { |
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295 CSvgFontMapItem* lFontMapItem = iSvgFontMapItems[i]; |
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296 |
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297 if(lFontMapItem) |
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298 { |
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299 lFontMapItem->Print(); |
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300 } |
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301 } |
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302 } |
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303 |
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304 // -------------------------------------------------------------------------- |
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305 // CFbsBitmap* CSvgDocumentImpl::GetFontPtr( const TDesC& aFontName ) |
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306 // --------------------------------------------------------------------------- |
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307 CSvgFontElementImpl* CSvgFontHashMap::GetFontPtr( const TDesC& aFontFamilyName ) |
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308 { |
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309 |
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310 CSvgFontMapItem* lFontMapItem = GetFontMapItem( aFontFamilyName ); |
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311 |
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312 if (lFontMapItem) |
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313 { |
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314 return (lFontMapItem->GetFontPtr()); |
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315 } |
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316 |
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317 return NULL; |
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318 |
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319 } |
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320 |
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321 // ========================================================================== |
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322 // Need method description |
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323 // ========================================================================== |
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324 CSvgFontMapItem* CSvgFontMapItem::NewL() |
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325 { |
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326 CSvgFontMapItem* self = new ( ELeave ) CSvgFontMapItem; |
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327 CleanupStack::PushL( self ); |
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328 self->ConstructL(); |
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329 CleanupStack::Pop(); |
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330 |
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331 return self; |
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332 } |
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333 |
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334 // ========================================================================== |
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335 // Need method description |
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336 // ========================================================================== |
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337 CSvgFontMapItem* CSvgFontMapItem::NewLC() |
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338 { |
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339 CSvgFontMapItem* self = new ( ELeave ) CSvgFontMapItem; |
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340 CleanupStack::PushL( self ); |
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341 self->ConstructL(); |
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342 |
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343 return self; |
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344 } |
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345 |
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346 // ========================================================================== |
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347 // Need method description |
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348 // ========================================================================== |
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349 void CSvgFontMapItem::ConstructL() |
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350 { |
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351 } |
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352 |
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353 // ========================================================================== |
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354 // Need method description |
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355 // ========================================================================== |
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356 CSvgFontMapItem::CSvgFontMapItem() |
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357 { |
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358 } |
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359 |
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360 // ========================================================================== |
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361 // Need method description |
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362 // ========================================================================== |
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363 CSvgFontMapItem::~CSvgFontMapItem() |
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364 { |
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365 if (iFontFamilyName) |
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366 { |
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367 delete iFontFamilyName; |
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368 iFontFamilyName = NULL; |
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369 } |
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370 /*if (iFontPtr) |
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371 { |
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372 delete iFontPtr; |
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373 } |
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374 if (iFontDocumentPtr) |
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375 { |
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376 delete iFontDocumentPtr; |
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377 }*/ |
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378 } |
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379 |
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380 // --------------------------------------------------------------------------- |
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381 // |
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382 // --------------------------------------------------------------------------- |
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383 CSvgFontElementImpl* CSvgFontMapItem::GetFontPtr() |
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384 { |
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385 return iFontPtr; |
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386 } |
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387 |
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388 |
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389 // --------------------------------------------------------------------------- |
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390 // |
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391 // --------------------------------------------------------------------------- |
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392 const TDesC& CSvgFontMapItem::GetFontFamilyName() |
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393 { |
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394 return ( const TDesC & ) *iFontFamilyName; |
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395 } |
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396 |
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397 // --------------------------------------------------------------------------- |
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398 // |
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399 // --------------------------------------------------------------------------- |
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400 void CSvgFontMapItem::SetFontPtr( CSvgFontElementImpl* aFontPtr ) |
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401 { |
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402 iFontPtr = aFontPtr; |
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403 } |
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404 |
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405 |
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406 // --------------------------------------------------------------------------- |
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407 // |
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408 // --------------------------------------------------------------------------- |
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409 void CSvgFontMapItem::CopyFontFamilyName( const TDesC& aFontFamilyName ) |
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410 { |
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411 if (iFontFamilyName) |
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412 { |
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413 delete iFontFamilyName; |
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414 iFontFamilyName = NULL; |
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415 } |
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416 |
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417 iFontFamilyName = aFontFamilyName.Alloc(); |
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418 } |
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419 |
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420 //----------------------------------------------------------------------- |
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421 // |
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422 //----------------------------------------------------------------------- |
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423 TInt CSvgFontMapItem::IncrementReferenceCount( ) |
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424 { |
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425 iFontReferenceCount++; |
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426 return iFontReferenceCount; |
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427 } |
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428 |
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429 //----------------------------------------------------------------------- |
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430 // |
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431 //----------------------------------------------------------------------- |
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432 TInt CSvgFontMapItem::DecrementReferenceCount() |
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433 { |
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434 iFontReferenceCount--; |
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435 return iFontReferenceCount; |
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436 } |
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437 |
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438 //----------------------------------------------------------------------- |
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439 // |
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440 //----------------------------------------------------------------------- |
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441 void CSvgFontMapItem::Print() |
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442 { |
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443 RDebug::RawPrint(iFontFamilyName->Des()); |
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444 RDebug::Printf("ref_count = %d fontptr = %d fontdocptr = %d \n", iFontReferenceCount, iFontPtr, iFontDocumentPtr); |
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445 } |