SVGForeignObjectElement.cpp [plain text]
#include "config.h"
#if ENABLE(SVG)
#include "SVGForeignObjectElement.h"
#include "Attribute.h"
#include "CSSPropertyNames.h"
#include "NodeRenderingContext.h"
#include "RenderSVGForeignObject.h"
#include "RenderSVGResource.h"
#include "SVGElementInstance.h"
#include "SVGLength.h"
#include "SVGNames.h"
#include <wtf/Assertions.h>
namespace WebCore {
DEFINE_ANIMATED_LENGTH(SVGForeignObjectElement, SVGNames::xAttr, X, x)
DEFINE_ANIMATED_LENGTH(SVGForeignObjectElement, SVGNames::yAttr, Y, y)
DEFINE_ANIMATED_LENGTH(SVGForeignObjectElement, SVGNames::widthAttr, Width, width)
DEFINE_ANIMATED_LENGTH(SVGForeignObjectElement, SVGNames::heightAttr, Height, height)
DEFINE_ANIMATED_STRING(SVGForeignObjectElement, XLinkNames::hrefAttr, Href, href)
DEFINE_ANIMATED_BOOLEAN(SVGForeignObjectElement, SVGNames::externalResourcesRequiredAttr, ExternalResourcesRequired, externalResourcesRequired)
BEGIN_REGISTER_ANIMATED_PROPERTIES(SVGForeignObjectElement)
REGISTER_LOCAL_ANIMATED_PROPERTY(x)
REGISTER_LOCAL_ANIMATED_PROPERTY(y)
REGISTER_LOCAL_ANIMATED_PROPERTY(width)
REGISTER_LOCAL_ANIMATED_PROPERTY(height)
REGISTER_LOCAL_ANIMATED_PROPERTY(href)
REGISTER_LOCAL_ANIMATED_PROPERTY(externalResourcesRequired)
REGISTER_PARENT_ANIMATED_PROPERTIES(SVGStyledTransformableElement)
REGISTER_PARENT_ANIMATED_PROPERTIES(SVGTests)
END_REGISTER_ANIMATED_PROPERTIES
inline SVGForeignObjectElement::SVGForeignObjectElement(const QualifiedName& tagName, Document* document)
: SVGStyledTransformableElement(tagName, document)
, m_x(LengthModeWidth)
, m_y(LengthModeHeight)
, m_width(LengthModeWidth)
, m_height(LengthModeHeight)
{
ASSERT(hasTagName(SVGNames::foreignObjectTag));
registerAnimatedPropertiesForSVGForeignObjectElement();
}
PassRefPtr<SVGForeignObjectElement> SVGForeignObjectElement::create(const QualifiedName& tagName, Document* document)
{
return adoptRef(new SVGForeignObjectElement(tagName, document));
}
bool SVGForeignObjectElement::isSupportedAttribute(const QualifiedName& attrName)
{
DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
if (supportedAttributes.isEmpty()) {
SVGTests::addSupportedAttributes(supportedAttributes);
SVGLangSpace::addSupportedAttributes(supportedAttributes);
SVGExternalResourcesRequired::addSupportedAttributes(supportedAttributes);
supportedAttributes.add(SVGNames::xAttr);
supportedAttributes.add(SVGNames::yAttr);
supportedAttributes.add(SVGNames::widthAttr);
supportedAttributes.add(SVGNames::heightAttr);
}
return supportedAttributes.contains<QualifiedName, SVGAttributeHashTranslator>(attrName);
}
void SVGForeignObjectElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
SVGParsingError parseError = NoError;
if (!isSupportedAttribute(name))
SVGStyledTransformableElement::parseAttribute(name, value);
else if (name == SVGNames::xAttr)
setXBaseValue(SVGLength::construct(LengthModeWidth, value, parseError));
else if (name == SVGNames::yAttr)
setYBaseValue(SVGLength::construct(LengthModeHeight, value, parseError));
else if (name == SVGNames::widthAttr)
setWidthBaseValue(SVGLength::construct(LengthModeWidth, value, parseError));
else if (name == SVGNames::heightAttr)
setHeightBaseValue(SVGLength::construct(LengthModeHeight, value, parseError));
else if (SVGTests::parseAttribute(name, value)
|| SVGLangSpace::parseAttribute(name, value)
|| SVGExternalResourcesRequired::parseAttribute(name, value)) {
} else
ASSERT_NOT_REACHED();
reportAttributeParsingError(parseError, name, value);
}
void SVGForeignObjectElement::svgAttributeChanged(const QualifiedName& attrName)
{
if (!isSupportedAttribute(attrName)) {
SVGStyledTransformableElement::svgAttributeChanged(attrName);
return;
}
SVGElementInstance::InvalidationGuard invalidationGuard(this);
bool isLengthAttribute = attrName == SVGNames::xAttr
|| attrName == SVGNames::yAttr
|| attrName == SVGNames::widthAttr
|| attrName == SVGNames::heightAttr;
if (isLengthAttribute)
updateRelativeLengthsInformation();
if (SVGTests::handleAttributeChange(this, attrName))
return;
if (RenderObject* renderer = this->renderer())
RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);
}
RenderObject* SVGForeignObjectElement::createRenderer(RenderArena* arena, RenderStyle*)
{
return new (arena) RenderSVGForeignObject(this);
}
bool SVGForeignObjectElement::childShouldCreateRenderer(const NodeRenderingContext& childContext) const
{
if (childContext.node()->isSVGElement())
return childContext.node()->hasTagName(SVGNames::svgTag);
return StyledElement::childShouldCreateRenderer(childContext);
}
bool SVGForeignObjectElement::rendererIsNeeded(const NodeRenderingContext& context)
{
Element* ancestor = parentElement();
while (ancestor && ancestor->isSVGElement()) {
if (ancestor->renderer() && ancestor->renderer()->isSVGHiddenContainer())
return false;
ancestor = ancestor->parentElement();
}
return SVGStyledTransformableElement::rendererIsNeeded(context);
}
bool SVGForeignObjectElement::selfHasRelativeLengths() const
{
return x().isRelative()
|| y().isRelative()
|| width().isRelative()
|| height().isRelative();
}
}
#endif