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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 header 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 #ifndef _INC_CSVGELEMENTIMPL_ |
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20 #define _INC_CSVGELEMENTIMPL_ |
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21 |
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22 |
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23 |
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24 #include "GfxAffineTransform.h" |
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25 #include "SVGColor.h" |
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26 |
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27 #include "SVGTransformableImpl.h" |
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28 #include "SVGTestsImpl.h" |
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29 #include "SVGLangSpaceImpl.h" |
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30 #include "SVGUriReferenceImpl.h" |
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31 #include "SVGEventReceiver.h" |
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32 #include "SVGEvent.h" |
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33 |
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34 #define SVG_FONTS_INCLUDE // Macro to include SVG FONTS Functionality |
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35 |
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36 class CGfx2dGc; |
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37 class CSvgTransformListImpl; |
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38 class MSvgTransformList; |
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39 |
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40 #include "SVGXmlElementImpl.h" |
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41 #include "SVGTransformable.h" |
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42 #include "SVGTests.h" |
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43 #include "SVGLangSpace.h" |
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44 #include "SVGXmlElementOpt.h" |
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45 #include "SVGUriReference.h" |
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46 |
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47 #include "GfxFloatFixPt.h" |
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48 #include "GfxAffineTransform.h" |
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49 #include "SVGSchemaData.h" |
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50 |
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51 class CCssValue; |
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52 |
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53 |
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54 const float KGradiansPerDegree = 3.1415926f / 180.0f; |
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55 |
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56 /** |
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57 * Class description goes here. |
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58 * |
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59 * @lib SVGEngine.lib |
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60 * @since 1.0 |
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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 class CSvgElementImpl : public CXmlElementImpl, |
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66 public MSvgTransformable, |
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67 public MSvgTests, |
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68 public MXmlElementOpt, |
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69 public MSvgLangSpace, |
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70 public MSvgUriReference, |
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71 public MSvgEventReceiver |
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72 |
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73 { |
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74 public: |
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75 |
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76 |
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77 virtual TBool DoAnimProcL(MSvgEvent* aEvent); |
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78 void PointToParent(const TInt aAttrId); |
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79 TBool IsInherited(const TInt aAttrId); |
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80 |
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81 TBool HasAnimation(); |
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82 |
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83 TInt32 AnimateTransformMatrixIndexL(); |
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84 |
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85 /** |
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86 * Need method description |
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87 * |
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88 * @since 1.0 |
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89 * @param |
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90 * @return |
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91 */ |
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92 virtual TBool DrawL( CGfx2dGc* agc, |
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93 CSvgElementImpl* aElement ); |
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94 /** |
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95 * Need method description |
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96 * |
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97 * @since 1.0 |
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98 * @param |
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99 * @return |
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100 */ |
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101 virtual TBool StyleInParent(CSvgElementImpl* aElement, TInt aAttrIndex); |
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102 |
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103 /** |
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104 * Need method description |
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105 * |
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106 * @since 1.0 |
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107 * @param |
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108 * @return |
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109 */ |
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110 virtual void DrawShapeL( CGfx2dGc* aGc, |
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111 MGfxShape& aShape, |
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112 CSvgElementImpl* aElement ); |
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113 |
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114 |
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115 /** |
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116 * Need method description |
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117 * |
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118 * @since 1.0 |
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119 * @param |
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120 * @return |
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121 */ |
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122 virtual void DrawShapeL( CGfx2dGc* aGc, |
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123 CSvgElementImpl* aElement ); |
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124 /** |
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125 * Need method description |
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126 * |
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127 * @since 1.0 |
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128 * @param |
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129 * @return |
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130 */ |
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131 void PropagateToChildren(CCssValue* aOldvalue,CCssValue* aNewValue, const TInt aNameId); |
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132 |
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133 /** |
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134 * Need method description |
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135 * |
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136 * @since 1.0 |
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137 * @param |
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138 * @return |
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139 */ |
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140 const TDesC* Id(); |
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141 |
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142 |
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143 virtual CGfxGeneralPath* GetPathAttribute(TInt aAttributeId); |
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144 virtual void SetPathAttribute(TInt aSvgAttrId, CGfxGeneralPath* aPathHandle); |
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145 |
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146 /** |
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147 * Need method description |
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148 * |
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149 * @since 1.0 |
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150 * @param |
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151 * @return |
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152 */ |
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153 virtual TInt SetIdandXmlbaseL( const TDesC& aPropertyName, |
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154 const TDesC& aValue ); |
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155 |
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156 |
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157 // need to move to CXmlElementImpl |
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158 |
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159 /** |
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160 * Need method description |
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161 * |
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162 * @since 1.0 |
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163 * @param |
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164 * @return |
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165 */ |
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166 virtual MXmlElement* AppendChildL( MXmlElement* aElement, TBool aIsJSR226Element = EFalse ); |
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167 |
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168 /** |
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169 * Need method description |
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170 * |
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171 * @since 1.0 |
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172 * @param |
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173 * @return |
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174 */ |
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175 virtual TInt SetAttributeL( const TDesC& aName , |
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176 const TDesC& aValue ); |
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177 |
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178 |
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179 /** |
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180 * Need method description |
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181 * |
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182 * @since 1.0 |
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183 * @param |
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184 * @return |
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185 */ |
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186 |
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187 virtual TInt RemoveAttribute( const TInt aAttrId ); |
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188 |
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189 |
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190 |
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191 // From MXmlElementOpt API |
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192 |
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193 /** |
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194 * Need method description |
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195 * |
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196 * @since 1.0 |
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197 * @param |
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198 * @return |
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199 */ |
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200 virtual TInt GetAttributeIntL( const TInt aNameId, |
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201 TInt32& aValue ); |
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202 |
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203 /** |
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204 * Need method description |
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205 * |
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206 * @since 1.0 |
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207 * @param |
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208 * @return |
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209 */ |
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210 virtual TInt SetAttributeIntL( const TInt aNameId, |
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211 const TInt32 aValue ); |
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212 |
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213 |
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214 /** |
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215 * Need method description |
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216 * |
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217 * @since 1.0 |
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218 * @param |
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219 * @return |
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220 */ |
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221 virtual TInt GetAttributeFloat( const TInt aNameId, |
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222 TFloatFixPt& aValue ); |
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223 |
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224 /** |
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225 * Need method description |
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226 * |
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227 * @since 1.0 |
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228 * @param |
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229 * @return |
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230 */ |
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231 virtual TInt SetAttributeFloatL( const TInt aNameId, |
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232 const TFloatFixPt aValue ); |
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233 |
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234 |
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235 /** |
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236 * Need method description |
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237 * |
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238 * @since 1.0 |
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239 * @param |
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240 * @return |
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241 */ |
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242 virtual TInt GetAttributePath( const TInt aNameId, |
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243 CGfxGeneralPath*& aValue ); |
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244 |
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245 /** |
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246 * Need method description |
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247 * |
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248 * @since 1.0 |
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249 * @param |
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250 * @return |
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251 */ |
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252 virtual TInt SetAttributePathL( const TInt aNameId, |
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253 CGfxGeneralPath* aValue ); |
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254 |
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255 //used in decoder to avoid local copying. |
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256 virtual TInt SetAttributePathRef( const TInt aNameId, |
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257 CGfxGeneralPath*& aValue ); |
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258 |
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259 |
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260 /** |
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261 * Need method description |
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262 * |
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263 * @since 1.0 |
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264 * @param |
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265 * @return |
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266 */ |
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267 virtual TInt GetAttributeDes( const TInt aNameId, |
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268 TPtrC16& aValue ); |
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269 |
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270 /** |
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271 * Need method description |
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272 * |
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273 * @since 1.0 |
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274 * @param |
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275 * @return |
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276 */ |
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277 virtual TInt SetAttributeDesL( const TInt aNameId, |
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278 const TDesC& aValue ); |
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279 |
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280 |
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281 /** |
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282 * Need method description |
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283 * |
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284 * @since 1.0 |
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285 * @param |
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286 * @return |
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287 */ |
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288 |
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289 void GetSvgStylePropertiesArray( RPointerArray<CCssValue>*& aSvgStyleProperties); |
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290 |
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291 // From MSvgLocatable/MSvgTransformable |
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292 |
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293 /** |
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294 * Need method description |
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295 * |
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296 * @since 1.0 |
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297 * @param |
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298 * @return |
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299 */ |
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300 TBool IsTransformable(); |
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301 |
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302 |
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303 /** |
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304 * Need method description |
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305 * |
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306 * @since 1.0 |
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307 * @param |
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308 * @return |
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309 */ |
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310 virtual void GetTransform( MSvgTransformList*& aTransformList ); |
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311 |
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312 |
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313 /** |
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314 * Need method description |
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315 * |
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316 * @since 1.0 |
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317 * @param |
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318 * @return |
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319 */ |
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320 virtual void SetTransform( MSvgTransformList*& aTransformList ); |
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321 |
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322 virtual void SetTransformList(TGfxAffineTransform& aTr); |
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323 |
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324 |
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325 /** |
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326 * Need method description |
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327 * |
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328 * @since 1.0 |
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329 * @param |
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330 * @return |
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331 */ |
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332 virtual const TGfxAffineTransform& GetCTM(); |
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333 |
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334 |
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335 /** |
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336 * Need method description |
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337 * |
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338 * @since 1.0 |
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339 * @param |
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340 * @return |
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341 */ |
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342 virtual void SetCTM( TGfxAffineTransform& aTr ); |
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343 |
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344 |
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345 /** |
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346 * Need method description |
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347 * |
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348 * @since 1.0 |
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349 * @param |
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350 * @return |
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351 */ |
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352 virtual void GetBBox( TGfxRectangle2D& /*aBbox*/ ); |
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353 |
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354 /** |
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355 * Need method description |
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356 * |
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357 * @since 1.0 |
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358 * @param |
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359 * @return |
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360 */ |
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361 virtual void GetUnscaledBBox( TGfxRectangle2D& /*aBbox*/ ); |
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362 |
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363 // From MSvgStylable |
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364 |
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365 |
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366 /** |
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367 * Need method description |
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368 * |
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369 * @since 1.0 |
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370 * @param |
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371 * @return |
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372 */ |
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373 |
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374 void SetPresentationAttribute( const TInt8 aPropertyId, |
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375 CCssValue*& aCssValue ); |
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376 |
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377 /** |
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378 * Need method description |
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379 * |
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380 * @since 1.0 |
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381 * @param |
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382 * @return |
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383 */ |
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384 TBool SetPropertyL( const TInt& aAttrId, |
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385 const TDesC& aValue); |
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386 /** |
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387 * This method sets a property value that takes a float |
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388 * |
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389 * @since 1.0 |
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390 * @param const TInt& (attribute ID), TReal32 (float value) |
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391 * @return TBool |
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392 */ |
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393 TBool SetPropertyFloatL( const TInt& aAttrId, |
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394 TReal32 aValue); |
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395 // From MSvgTests |
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396 |
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397 |
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398 /** |
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399 * Need method description |
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400 * |
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401 * @since 1.0 |
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402 * @param |
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403 * @return |
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404 */ |
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405 virtual void GetRequiredFeatures( const CDesCArrayFlat*& aRequiredFeatures ); |
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406 |
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407 |
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408 /** |
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409 * Need method description |
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410 * |
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411 * @since 1.0 |
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412 * @param |
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413 * @return |
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414 */ |
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415 virtual void GetRequiredExtensions( const CDesCArrayFlat*& aRequiredExtensions ); |
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416 |
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417 |
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418 /** |
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419 * Need method description |
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420 * |
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421 * @since 1.0 |
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422 * @param |
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423 * @return |
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424 */ |
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425 virtual TBool GetSystemLanguage( const CDesCArrayFlat*& aSystemLanguage ); |
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426 |
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427 |
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428 /** |
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429 * Need method description |
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430 * |
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431 * @since 1.0 |
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432 * @param |
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433 * @return |
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434 */ |
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435 virtual TBool HasExtension( const TDesC& aExtension ); |
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436 |
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437 |
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438 /** |
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439 * Need method description |
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440 * |
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441 * @since 1.0 |
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442 * @param |
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443 * @return |
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444 */ |
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445 virtual TBool HasFeature( const TDesC& aFeature ); |
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446 |
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447 virtual TBool HasAnyTests(); |
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448 |
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449 // From MSvgLangSpace.h |
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450 |
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451 /** |
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452 * Need method description |
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453 * |
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454 * @since 1.0 |
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455 * @param |
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456 * @return |
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457 */ |
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458 virtual const TDesC& XMLLang(); |
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459 |
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460 |
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461 /** |
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462 * Need method description |
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463 * |
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464 * @since 1.0 |
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465 * @param |
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466 * @return |
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467 */ |
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468 virtual TInt SetXMLLangL( const TDesC& aXMLLang ); |
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469 |
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470 |
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471 /** |
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472 * Need method description |
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473 * |
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474 * @since 1.0 |
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475 * @param |
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476 * @return |
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477 */ |
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478 virtual const TDesC& XMLSpace(); |
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479 |
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480 |
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481 /** |
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482 * Need method description |
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483 * |
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484 * @since 1.0 |
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485 * @param |
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486 * @return |
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487 */ |
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488 virtual TInt SetXMLSpaceL( const TDesC& aXMLSpace ); |
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489 |
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490 // TKC: Shouldn't this be a wrapper to CSVGTransformableImpl |
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491 |
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492 |
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493 /** |
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494 * Need method description |
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495 * |
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496 * @since 1.0 |
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497 * @param |
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498 * @return |
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499 */ |
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500 virtual TBool SetTransform( const TDesC& aAttributeName, |
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501 const TDesC& aValue ); |
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502 |
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503 // TKC Wrapper to CSvgTestsImpl |
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504 |
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505 /** |
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506 * Need method description |
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507 * |
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508 * @since 1.0 |
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509 * @param |
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510 * @return |
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511 */ |
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512 virtual TBool SetTestAttributeL( const TDesC& aPropertyName, |
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513 const TDesC& aValue ); |
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514 |
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515 // SSB Wrapper to CSvgLangSpace |
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516 |
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517 /** |
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518 * Need method description |
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519 * |
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520 * @since 1.0 |
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521 * @param |
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522 * @return |
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523 */ |
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524 virtual TBool SetLangSpaceAttributeL( const TDesC& aPropertyName, |
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525 const TDesC& aValue ); |
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526 |
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527 // SSB Wrapper to CSvgUriReferenceImpl |
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528 |
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529 /** |
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530 * Need method description |
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531 * |
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532 * @since 1.0 |
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533 * @param |
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534 * @return |
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535 */ |
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536 virtual TBool SetXlinkAttributeL( const TDesC& aPropertyName, |
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537 const TDesC& aValue ); |
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538 // From MSvgLangSpace.h |
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539 |
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540 /** |
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541 * Need method description |
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542 * |
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543 * @since 1.0 |
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544 * @param |
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545 * @return |
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546 */ |
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547 virtual const TDesC& Href(); |
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548 |
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549 virtual TDesC* HrefPointer(); |
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550 |
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551 /** |
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552 * Need method description |
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553 * |
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554 * @since 1.0 |
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555 * @param |
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556 * @return |
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557 */ |
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558 virtual const TDesC& XlinkShow(); |
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559 |
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560 |
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561 /** |
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562 * Need method description |
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563 * |
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564 * @since 1.0 |
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565 * @param |
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566 * @return |
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567 */ |
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568 virtual ~CSvgElementImpl(); |
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569 |
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570 // From MSvgEventReceiver |
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571 |
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572 /** |
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573 * Need method description |
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574 * |
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575 * @since 1.0 |
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576 * @param |
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577 * @return |
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578 */ |
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579 |
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580 virtual TBool ReceiveEventL( MSvgEvent* aEvent); |
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581 |
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582 /** |
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583 * Receives events and generates suitable internal events |
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584 * for engine based on aSubEventMask |
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585 * |
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586 * @since v3.2 |
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587 * @param aEvent - The event of type TSvgEngineEventType |
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588 * @param aSubEventMask - contains the list of interactive events |
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589 * that the element can respond to. |
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590 * @return ETrue if the aEvent is of type TSvgEngineEventType and |
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591 * event processing needs redraw else EFalse. |
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592 */ |
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593 |
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594 virtual TBool ReceiveEventL( MSvgEvent* aEvent, const TUint16 aSubEventMask ); |
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595 |
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596 /** |
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597 * Need method description |
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598 * |
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599 * @since 1.0 |
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600 * @param |
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601 * @return |
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602 */ |
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603 virtual void ResetReferenceElementL(); |
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604 |
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605 // Internal methods |
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606 |
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607 /** |
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608 * Need method description |
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609 * |
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610 * @since 1.0 |
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611 * @param |
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612 * @return |
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613 */ |
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614 virtual TSvgColor* CurrentColor(); |
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615 |
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616 |
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617 /** |
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618 * Need method description |
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619 * |
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620 * @since 1.0 |
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621 * @param |
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622 * @return |
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623 */ |
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624 virtual void SetGCL( CGfx2dGc* aGc); |
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625 |
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626 |
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627 /** |
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628 * Need method description |
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629 * |
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630 * @since 1.0 |
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631 * @param |
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632 * @return |
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633 */ |
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634 virtual TInt32 AnimateMotionMatrixIndexL(); |
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635 |
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636 |
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637 /** |
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638 * Need method description |
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639 * |
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640 * @since 1.0 |
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641 * @param |
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642 * @return |
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643 */ |
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644 |
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645 |
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646 void FindProperty( const TInt8 aPropertyId, |
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647 CCssValue*& aCssValue, |
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648 CSvgElementImpl* aElement ); |
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649 |
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650 void FindProperty( const TInt8 aPropertyId, |
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651 CCssValue*& aCssValue); |
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652 void CreateSvgTestL(const TUint16 aAttrName); |
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653 |
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654 /** |
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655 * Need method description |
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656 * |
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657 * @since 1.0 |
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658 * @param |
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659 * @return |
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660 */ |
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661 void CloneSvgStylePropertiesL( CSvgElementImpl* aNewChild, |
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662 CSvgElementImpl* aParentElement); |
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663 |
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664 TInt SetUriRefDesL( const TUint16 aNameId, |
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665 const TDesC& aValue ); |
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666 |
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667 /** |
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668 * Return wether an svg element is displayable, such as <rect>, <circle>, or |
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669 * an abstract element, such as <g>, <animate>. |
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670 * |
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671 * @since 1.0 |
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672 * @param None |
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673 * @return ETrue is element is viewable. |
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674 */ |
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675 virtual TBool IsViewable() { return EFalse; } |
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676 |
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677 TBool IsVisible(); |
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678 |
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679 TFloatFixPt GetCurrentScale( ); |
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680 |
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681 virtual void UpdateCTM(); |
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682 |
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683 |
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684 protected: |
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685 // Internal methods |
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686 |
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687 |
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688 /** |
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689 * Need method description |
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690 * |
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691 * @since 1.0 |
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692 * @param |
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693 * @return |
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694 */ |
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695 virtual void InitializeL( TUint8 aElemID ); |
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696 |
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697 |
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698 |
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699 /** |
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700 * Need method description |
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701 * |
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702 * @since 1.0 |
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703 * @param |
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704 * @return |
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705 */ |
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706 CSvgElementImpl(); |
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707 |
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708 |
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709 |
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710 /** |
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711 * Need method description |
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712 * |
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713 * @since 1.0 |
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714 * @param |
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715 * @return |
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716 */ |
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717 virtual TBool IsDrawable(); |
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718 |
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719 |
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720 /** |
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721 * Need method description |
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722 * |
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723 * @since 1.0 |
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724 * @param |
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725 * @return |
|
726 */ |
|
727 |
|
728 |
|
729 TInt InitSvgStyleProperties(); |
|
730 |
|
731 |
|
732 public: |
|
733 |
|
734 void InitAllSvgStyleProperties(CSvgElementImpl* aElement); |
|
735 void InitSvgJSRStyleProperties(CSvgElementImpl* aParentElement); |
|
736 void PrintStyleProperties(); |
|
737 virtual void Print( TBool aIsEncodeOn ) = 0; |
|
738 |
|
739 TBool GetDefaultAttributeL( const TInt aNameId, CCssValue*& aValue ); |
|
740 |
|
741 // functions for encoding |
|
742 |
|
743 virtual void SetRequiredFeatures( CDesCArrayFlat*& aRequiredFeatures ); |
|
744 |
|
745 |
|
746 /** |
|
747 * Need method description |
|
748 * |
|
749 * @since 1.0 |
|
750 * @param |
|
751 * @return |
|
752 */ |
|
753 virtual void SetRequiredExtensions( CDesCArrayFlat*& aRequiredExtensions ); |
|
754 |
|
755 |
|
756 /** |
|
757 * Need method description |
|
758 * |
|
759 * @since 1.0 |
|
760 * @param |
|
761 * @return |
|
762 */ |
|
763 virtual void SetSystemLanguage( CDesCArrayFlat*& aSystemLanguage ); |
|
764 |
|
765 /** |
|
766 * Initialize all style property values with NULL. |
|
767 * |
|
768 * @since 1.0 |
|
769 * @return none |
|
770 */ |
|
771 void InitSvgStylePropertiesWithNullL(); |
|
772 |
|
773 virtual void DeactivateAnimation(); |
|
774 |
|
775 MXmlElement* CloneL(MXmlElement* aParentElement); |
|
776 |
|
777 void ResetReferenceAttrSet(); |
|
778 |
|
779 void Reset(MSvgEvent* aEvent); |
|
780 |
|
781 virtual void ReInitializeAnimation(); |
|
782 |
|
783 void SetIsAnimating( TBool aBool ); |
|
784 TBool IsAnimating(); |
|
785 |
|
786 void SetTurnOff( TBool aBool ); |
|
787 TBool WasTurnedOff(); |
|
788 |
|
789 void SetOverwriteTransforms( TBool aBool ); |
|
790 TBool IsOverwriteTransforms(); |
|
791 |
|
792 void SetAllAttributesAdded( TBool aBool ); |
|
793 TBool AreAllAttributesAdded(); |
|
794 |
|
795 void SetMouseDown( TBool aBool ); |
|
796 TBool IsMouseDown(); |
|
797 |
|
798 void SetMouseIn( TBool aBool ); |
|
799 TBool IsMouseIn(); |
|
800 |
|
801 TBool IsAnimatedElement( ); |
|
802 |
|
803 /** |
|
804 * Check whether the internal event can be generated |
|
805 * |
|
806 * @since v3.2 |
|
807 * @param aSubEventMask - The bit field that contains the list of events |
|
808 * registered for the element |
|
809 * @param aEvent - The internal event to be generated |
|
810 * @return ETrue if the element is registered for the aEvent otherwise EFalse. |
|
811 */ |
|
812 TBool CanGenerateInternalEvent(TUint16 aSubEventmask, TSvgEvent aEvent); |
|
813 |
|
814 TBool IsSVGEnginePaused(); |
|
815 protected: |
|
816 void CopyL( CSvgElementImpl* aDestElement ); |
|
817 |
|
818 public: |
|
819 |
|
820 // Additive |
|
821 RArray<TUint32>* iAnimateAttrSet; |
|
822 |
|
823 TInt iAnimateTransformMatrixIndex; |
|
824 |
|
825 TInt iHasAnimationBase; |
|
826 |
|
827 protected: |
|
828 // Internal variables |
|
829 |
|
830 HBufC* iId; |
|
831 |
|
832 RPointerArray<CCssValue>* iSvgStyleProperties; |
|
833 CSvgTransformableImpl* iSvgTransformable; |
|
834 |
|
835 CSvgTestsImpl* iSvgTests; |
|
836 |
|
837 CSvgLangSpaceImpl* iSvgLangSpace; |
|
838 |
|
839 CSvgUriReferenceImpl* iSvgUriReferenceImpl; |
|
840 |
|
841 private: |
|
842 // Enumeration for boolean bits: boolean variables use bitfield to reduce memory usage |
|
843 enum TElementBooleanBits |
|
844 { |
|
845 KAnimatingBit = 0x00000001, |
|
846 KWasTurnedOffBit = 0x00000002, |
|
847 KOverwriteTransformsBit = 0x00000004, |
|
848 KAllAttributesAddedBit = 0x00000008, |
|
849 KMouseDownBit = 0x00000010, |
|
850 KMouseInBit = 0x00000020 |
|
851 |
|
852 }; |
|
853 |
|
854 // variable to track TBool members with bitwise operations |
|
855 TUint32 iBooleanFlags; |
|
856 |
|
857 public: |
|
858 TInt16 iAnimateMotionMatrixIndex; |
|
859 |
|
860 TUint16 iReqAttrFlag; |
|
861 |
|
862 |
|
863 |
|
864 |
|
865 |
|
866 |
|
867 }; |
|
868 |
|
869 #endif /* _INC_CSVGELEMENTIMPL_ */ |