diff options
Diffstat (limited to 'src/3rdparty/webkit/WebCore/svg/SVGForeignObjectElement.cpp')
| -rw-r--r-- | src/3rdparty/webkit/WebCore/svg/SVGForeignObjectElement.cpp | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/src/3rdparty/webkit/WebCore/svg/SVGForeignObjectElement.cpp b/src/3rdparty/webkit/WebCore/svg/SVGForeignObjectElement.cpp new file mode 100644 index 0000000..342a6f0 --- /dev/null +++ b/src/3rdparty/webkit/WebCore/svg/SVGForeignObjectElement.cpp @@ -0,0 +1,167 @@ +/* + Copyright (C) 2006 Apple Computer, Inc. + (C) 2008 Nikolas Zimmermann <zimmermann@kde.org> + + This file is part of the WebKit project + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public License + along with this library; see the file COPYING.LIB. If not, write to + the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. +*/ + +#include "config.h" + +#if ENABLE(SVG) && ENABLE(SVG_FOREIGN_OBJECT) +#include "SVGForeignObjectElement.h" + +#include "CSSPropertyNames.h" +#include "RenderForeignObject.h" +#include "SVGNames.h" +#include "SVGLength.h" + +#include <wtf/Assertions.h> + +namespace WebCore { + +SVGForeignObjectElement::SVGForeignObjectElement(const QualifiedName& tagName, Document *doc) + : SVGStyledTransformableElement(tagName, doc) + , SVGTests() + , SVGLangSpace() + , SVGExternalResourcesRequired() + , m_x(this, SVGNames::xAttr, LengthModeWidth) + , m_y(this, SVGNames::yAttr, LengthModeHeight) + , m_width(this, SVGNames::widthAttr, LengthModeWidth) + , m_height(this, SVGNames::heightAttr, LengthModeHeight) +{ +} + +SVGForeignObjectElement::~SVGForeignObjectElement() +{ +} + +void SVGForeignObjectElement::parseMappedAttribute(MappedAttribute* attr) +{ + const AtomicString& value = attr->value(); + if (attr->name() == SVGNames::xAttr) + setXBaseValue(SVGLength(LengthModeWidth, value)); + else if (attr->name() == SVGNames::yAttr) + setYBaseValue(SVGLength(LengthModeHeight, value)); + else if (attr->name() == SVGNames::widthAttr) + setWidthBaseValue(SVGLength(LengthModeWidth, value)); + else if (attr->name() == SVGNames::heightAttr) + setHeightBaseValue(SVGLength(LengthModeHeight, value)); + else { + if (SVGTests::parseMappedAttribute(attr)) + return; + if (SVGLangSpace::parseMappedAttribute(attr)) + return; + if (SVGExternalResourcesRequired::parseMappedAttribute(attr)) + return; + SVGStyledTransformableElement::parseMappedAttribute(attr); + } +} + +// TODO: Move this function in some SVG*Element base class, as SVGSVGElement / SVGImageElement will need the same logic! + +// This function mimics addCSSProperty and StyledElement::attributeChanged. +// In HTML code, you'd always call addCSSProperty from your derived parseMappedAttribute() +// function - though in SVG code we need to move this logic into svgAttributeChanged, in +// order to support SVG DOM changes (which don't use the parseMappedAttribute/attributeChanged). +// If we'd ignore SVG DOM, we could use _exactly_ the same logic as HTML. +static inline void addCSSPropertyAndNotifyAttributeMap(StyledElement* element, const QualifiedName& name, int cssProperty, const String& value) +{ + ASSERT(element); + + if (!element) + return; + + NamedMappedAttrMap* attrs = element->mappedAttributes(); + ASSERT(attrs); + + if (!attrs) + return; + + Attribute* attr = attrs->getAttributeItem(name); + if (!attr || !attr->isMappedAttribute()) + return; + + MappedAttribute* mappedAttr = static_cast<MappedAttribute*>(attr); + + // This logic is only meant to be used for entries that have to be parsed and are mapped to eNone. Assert that. + MappedAttributeEntry entry; + bool needToParse = element->mapToEntry(mappedAttr->name(), entry); + + ASSERT(needToParse); + ASSERT(entry == eNone); + + if (!needToParse || entry != eNone) + return; + + if (mappedAttr->decl()) { + mappedAttr->setDecl(0); + attrs->declRemoved(); + } + + element->setChanged(); + element->addCSSProperty(mappedAttr, cssProperty, value); + + if (CSSMappedAttributeDeclaration* decl = mappedAttr->decl()) { + // Add the decl to the table in the appropriate spot. + element->setMappedAttributeDecl(entry, mappedAttr, decl); + + decl->setMappedState(entry, mappedAttr->name(), mappedAttr->value()); + decl->setParent(0); + decl->setNode(0); + + attrs->declAdded(); + } +} + +void SVGForeignObjectElement::svgAttributeChanged(const QualifiedName& attrName) +{ + SVGStyledTransformableElement::svgAttributeChanged(attrName); + + if (attrName == SVGNames::widthAttr) { + addCSSPropertyAndNotifyAttributeMap(this, attrName, CSSPropertyWidth, width().valueAsString()); + return; + } else if (attrName == SVGNames::heightAttr) { + addCSSPropertyAndNotifyAttributeMap(this, attrName, CSSPropertyHeight, height().valueAsString()); + return; + } + + if (!renderer()) + return; + + if (attrName == SVGNames::xAttr || attrName == SVGNames::yAttr || + SVGTests::isKnownAttribute(attrName) || + SVGLangSpace::isKnownAttribute(attrName) || + SVGExternalResourcesRequired::isKnownAttribute(attrName) || + SVGStyledTransformableElement::isKnownAttribute(attrName)) + renderer()->setNeedsLayout(true); +} + +RenderObject* SVGForeignObjectElement::createRenderer(RenderArena* arena, RenderStyle*) +{ + return new (arena) RenderForeignObject(this); +} + +bool SVGForeignObjectElement::childShouldCreateRenderer(Node* child) const +{ + // Skip over SVG rules which disallow non-SVG kids + return StyledElement::childShouldCreateRenderer(child); +} + +} // namespace WebCore + +#endif // ENABLE(SVG) && ENABLE(SVG_FOREIGN_OBJECT) |