1 /*
2 * Copyright (C) 2006 Apple Inc. All rights reserved.
3 * Copyright (C) 2008 Nikolas Zimmermann <zimmermann@kde.org>
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
14 *
15 * You should have received a copy of the GNU Library General Public License
16 * along with this library; see the file COPYING.LIB. If not, write to
17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 * Boston, MA 02110-1301, USA.
19 */
20
21 #include "config.h"
22
23 #if ENABLE(SVG) && ENABLE(SVG_FOREIGN_OBJECT)
24 #include "SVGForeignObjectElement.h"
25
26 #include "Attribute.h"
27 #include "CSSPropertyNames.h"
28 #include "RenderSVGForeignObject.h"
29 #include "RenderSVGResource.h"
30 #include "SVGLength.h"
31 #include "SVGNames.h"
32 #include <wtf/Assertions.h>
33
34 namespace WebCore {
35
36 // Animated property definitions
DEFINE_ANIMATED_LENGTH(SVGForeignObjectElement,SVGNames::xAttr,X,x)37 DEFINE_ANIMATED_LENGTH(SVGForeignObjectElement, SVGNames::xAttr, X, x)
38 DEFINE_ANIMATED_LENGTH(SVGForeignObjectElement, SVGNames::yAttr, Y, y)
39 DEFINE_ANIMATED_LENGTH(SVGForeignObjectElement, SVGNames::widthAttr, Width, width)
40 DEFINE_ANIMATED_LENGTH(SVGForeignObjectElement, SVGNames::heightAttr, Height, height)
41 DEFINE_ANIMATED_STRING(SVGForeignObjectElement, XLinkNames::hrefAttr, Href, href)
42 DEFINE_ANIMATED_BOOLEAN(SVGForeignObjectElement, SVGNames::externalResourcesRequiredAttr, ExternalResourcesRequired, externalResourcesRequired)
43
44 inline SVGForeignObjectElement::SVGForeignObjectElement(const QualifiedName& tagName, Document* document)
45 : SVGStyledTransformableElement(tagName, document)
46 , m_x(LengthModeWidth)
47 , m_y(LengthModeHeight)
48 , m_width(LengthModeWidth)
49 , m_height(LengthModeHeight)
50 {
51 }
52
create(const QualifiedName & tagName,Document * document)53 PassRefPtr<SVGForeignObjectElement> SVGForeignObjectElement::create(const QualifiedName& tagName, Document* document)
54 {
55 return adoptRef(new SVGForeignObjectElement(tagName, document));
56 }
57
parseMappedAttribute(Attribute * attr)58 void SVGForeignObjectElement::parseMappedAttribute(Attribute* attr)
59 {
60 const AtomicString& value = attr->value();
61 if (attr->name() == SVGNames::xAttr)
62 setXBaseValue(SVGLength(LengthModeWidth, value));
63 else if (attr->name() == SVGNames::yAttr)
64 setYBaseValue(SVGLength(LengthModeHeight, value));
65 else if (attr->name() == SVGNames::widthAttr)
66 setWidthBaseValue(SVGLength(LengthModeWidth, value));
67 else if (attr->name() == SVGNames::heightAttr)
68 setHeightBaseValue(SVGLength(LengthModeHeight, value));
69 else {
70 if (SVGTests::parseMappedAttribute(attr))
71 return;
72 if (SVGLangSpace::parseMappedAttribute(attr))
73 return;
74 if (SVGExternalResourcesRequired::parseMappedAttribute(attr))
75 return;
76 SVGStyledTransformableElement::parseMappedAttribute(attr);
77 }
78 }
79
svgAttributeChanged(const QualifiedName & attrName)80 void SVGForeignObjectElement::svgAttributeChanged(const QualifiedName& attrName)
81 {
82 SVGStyledTransformableElement::svgAttributeChanged(attrName);
83
84 bool isLengthAttribute = attrName == SVGNames::xAttr
85 || attrName == SVGNames::yAttr
86 || attrName == SVGNames::widthAttr
87 || attrName == SVGNames::heightAttr;
88
89 if (isLengthAttribute)
90 updateRelativeLengthsInformation();
91
92 if (SVGTests::handleAttributeChange(this, attrName))
93 return;
94
95 RenderObject* renderer = this->renderer();
96 if (!renderer)
97 return;
98
99 if (isLengthAttribute
100 || SVGLangSpace::isKnownAttribute(attrName)
101 || SVGExternalResourcesRequired::isKnownAttribute(attrName))
102 RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);
103 }
104
synchronizeProperty(const QualifiedName & attrName)105 void SVGForeignObjectElement::synchronizeProperty(const QualifiedName& attrName)
106 {
107 SVGStyledTransformableElement::synchronizeProperty(attrName);
108
109 if (attrName == anyQName()) {
110 synchronizeX();
111 synchronizeY();
112 synchronizeWidth();
113 synchronizeHeight();
114 synchronizeExternalResourcesRequired();
115 synchronizeHref();
116 SVGTests::synchronizeProperties(this, attrName);
117 return;
118 }
119
120 if (attrName == SVGNames::xAttr)
121 synchronizeX();
122 else if (attrName == SVGNames::yAttr)
123 synchronizeY();
124 else if (attrName == SVGNames::widthAttr)
125 synchronizeWidth();
126 else if (attrName == SVGNames::heightAttr)
127 synchronizeHeight();
128 else if (SVGExternalResourcesRequired::isKnownAttribute(attrName))
129 synchronizeExternalResourcesRequired();
130 else if (SVGTests::isKnownAttribute(attrName))
131 SVGTests::synchronizeProperties(this, attrName);
132 }
133
attributeToPropertyTypeMap()134 AttributeToPropertyTypeMap& SVGForeignObjectElement::attributeToPropertyTypeMap()
135 {
136 DEFINE_STATIC_LOCAL(AttributeToPropertyTypeMap, s_attributeToPropertyTypeMap, ());
137 return s_attributeToPropertyTypeMap;
138 }
139
fillAttributeToPropertyTypeMap()140 void SVGForeignObjectElement::fillAttributeToPropertyTypeMap()
141 {
142 AttributeToPropertyTypeMap& attributeToPropertyTypeMap = this->attributeToPropertyTypeMap();
143
144 SVGStyledTransformableElement::fillPassedAttributeToPropertyTypeMap(attributeToPropertyTypeMap);
145 attributeToPropertyTypeMap.set(SVGNames::xAttr, AnimatedLength);
146 attributeToPropertyTypeMap.set(SVGNames::yAttr, AnimatedLength);
147 attributeToPropertyTypeMap.set(SVGNames::widthAttr, AnimatedLength);
148 attributeToPropertyTypeMap.set(SVGNames::heightAttr, AnimatedLength);
149 attributeToPropertyTypeMap.set(XLinkNames::hrefAttr, AnimatedString);
150 }
151
createRenderer(RenderArena * arena,RenderStyle *)152 RenderObject* SVGForeignObjectElement::createRenderer(RenderArena* arena, RenderStyle*)
153 {
154 return new (arena) RenderSVGForeignObject(this);
155 }
156
childShouldCreateRenderer(Node * child) const157 bool SVGForeignObjectElement::childShouldCreateRenderer(Node* child) const
158 {
159 // Disallow arbitary SVG content. Only allow proper <svg xmlns="svgNS"> subdocuments.
160 if (child->isSVGElement())
161 return child->hasTagName(SVGNames::svgTag);
162
163 // Skip over SVG rules which disallow non-SVG kids
164 return StyledElement::childShouldCreateRenderer(child);
165 }
166
selfHasRelativeLengths() const167 bool SVGForeignObjectElement::selfHasRelativeLengths() const
168 {
169 return x().isRelative()
170 || y().isRelative()
171 || width().isRelative()
172 || height().isRelative();
173 }
174
175 }
176
177 #endif
178