1 /* 2 * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org> 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Library General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Library General Public License for more details. 13 * 14 * You should have received a copy of the GNU Library General Public License 15 * along with this library; see the file COPYING.LIB. If not, write to 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 17 * Boston, MA 02110-1301, USA. 18 */ 19 20 #ifndef SVGTextPathElement_h 21 #define SVGTextPathElement_h 22 23 #include "SVGNames.h" 24 #include "core/svg/SVGTextContentElement.h" 25 #include "core/svg/SVGURIReference.h" 26 27 namespace WebCore { 28 29 enum SVGTextPathMethodType { 30 SVGTextPathMethodUnknown = 0, 31 SVGTextPathMethodAlign, 32 SVGTextPathMethodStretch 33 }; 34 35 enum SVGTextPathSpacingType { 36 SVGTextPathSpacingUnknown = 0, 37 SVGTextPathSpacingAuto, 38 SVGTextPathSpacingExact 39 }; 40 41 template<> 42 struct SVGPropertyTraits<SVGTextPathMethodType> { 43 static unsigned highestEnumValue() { return SVGTextPathMethodStretch; } 44 45 static String toString(SVGTextPathMethodType type) 46 { 47 switch (type) { 48 case SVGTextPathMethodUnknown: 49 return emptyString(); 50 case SVGTextPathMethodAlign: 51 return "align"; 52 case SVGTextPathMethodStretch: 53 return "stretch"; 54 } 55 56 ASSERT_NOT_REACHED(); 57 return emptyString(); 58 } 59 60 static SVGTextPathMethodType fromString(const String& value) 61 { 62 if (value == "align") 63 return SVGTextPathMethodAlign; 64 if (value == "stretch") 65 return SVGTextPathMethodStretch; 66 return SVGTextPathMethodUnknown; 67 } 68 }; 69 70 template<> 71 struct SVGPropertyTraits<SVGTextPathSpacingType> { 72 static unsigned highestEnumValue() { return SVGTextPathSpacingExact; } 73 74 static String toString(SVGTextPathSpacingType type) 75 { 76 switch (type) { 77 case SVGTextPathSpacingUnknown: 78 return emptyString(); 79 case SVGTextPathSpacingAuto: 80 return "auto"; 81 case SVGTextPathSpacingExact: 82 return "exact"; 83 } 84 85 ASSERT_NOT_REACHED(); 86 return emptyString(); 87 } 88 89 static SVGTextPathSpacingType fromString(const String& value) 90 { 91 if (value == "auto") 92 return SVGTextPathSpacingAuto; 93 if (value == "exact") 94 return SVGTextPathSpacingExact; 95 return SVGTextPathSpacingUnknown; 96 } 97 }; 98 99 class SVGTextPathElement FINAL : public SVGTextContentElement, 100 public SVGURIReference { 101 public: 102 // Forward declare enumerations in the W3C naming scheme, for IDL generation. 103 enum { 104 TEXTPATH_METHODTYPE_UNKNOWN = SVGTextPathMethodUnknown, 105 TEXTPATH_METHODTYPE_ALIGN = SVGTextPathMethodAlign, 106 TEXTPATH_METHODTYPE_STRETCH = SVGTextPathMethodStretch, 107 TEXTPATH_SPACINGTYPE_UNKNOWN = SVGTextPathSpacingUnknown, 108 TEXTPATH_SPACINGTYPE_AUTO = SVGTextPathSpacingAuto, 109 TEXTPATH_SPACINGTYPE_EXACT = SVGTextPathSpacingExact 110 }; 111 112 static PassRefPtr<SVGTextPathElement> create(Document&); 113 114 private: 115 explicit SVGTextPathElement(Document&); 116 117 virtual ~SVGTextPathElement(); 118 119 void clearResourceReferences(); 120 121 virtual void buildPendingResource(); 122 virtual InsertionNotificationRequest insertedInto(ContainerNode*) OVERRIDE; 123 virtual void removedFrom(ContainerNode*) OVERRIDE; 124 125 bool isSupportedAttribute(const QualifiedName&); 126 virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE; 127 virtual void svgAttributeChanged(const QualifiedName&); 128 129 virtual RenderObject* createRenderer(RenderStyle*); 130 virtual bool childShouldCreateRenderer(const Node& child) const; 131 virtual bool rendererIsNeeded(const RenderStyle&); 132 133 virtual bool selfHasRelativeLengths() const; 134 135 BEGIN_DECLARE_ANIMATED_PROPERTIES(SVGTextPathElement) 136 DECLARE_ANIMATED_LENGTH(StartOffset, startOffset) 137 DECLARE_ANIMATED_ENUMERATION(Method, method, SVGTextPathMethodType) 138 DECLARE_ANIMATED_ENUMERATION(Spacing, spacing, SVGTextPathSpacingType) 139 DECLARE_ANIMATED_STRING(Href, href) 140 END_DECLARE_ANIMATED_PROPERTIES 141 }; 142 143 DEFINE_NODE_TYPE_CASTS(SVGTextPathElement, hasTagName(SVGNames::textPathTag)); 144 145 } // namespace WebCore 146 147 #endif 148