SVGSymbolElement.cpp [plain text]
#include "config.h"
#include "SVGSymbolElement.h"
#include "RenderSVGHiddenContainer.h"
#include "SVGElementInstance.h"
#include "SVGFitToViewBox.h"
#include "SVGNames.h"
#include <wtf/NeverDestroyed.h>
namespace WebCore {
DEFINE_ANIMATED_BOOLEAN(SVGSymbolElement, SVGNames::externalResourcesRequiredAttr, ExternalResourcesRequired, externalResourcesRequired)
DEFINE_ANIMATED_PRESERVEASPECTRATIO(SVGSymbolElement, SVGNames::preserveAspectRatioAttr, PreserveAspectRatio, preserveAspectRatio)
DEFINE_ANIMATED_RECT(SVGSymbolElement, SVGNames::viewBoxAttr, ViewBox, viewBox)
BEGIN_REGISTER_ANIMATED_PROPERTIES(SVGSymbolElement)
REGISTER_LOCAL_ANIMATED_PROPERTY(externalResourcesRequired)
REGISTER_LOCAL_ANIMATED_PROPERTY(viewBox)
REGISTER_LOCAL_ANIMATED_PROPERTY(preserveAspectRatio)
REGISTER_PARENT_ANIMATED_PROPERTIES(SVGElement)
END_REGISTER_ANIMATED_PROPERTIES
inline SVGSymbolElement::SVGSymbolElement(const QualifiedName& tagName, Document& document)
: SVGElement(tagName, document)
{
ASSERT(hasTagName(SVGNames::symbolTag));
registerAnimatedPropertiesForSVGSymbolElement();
}
PassRefPtr<SVGSymbolElement> SVGSymbolElement::create(const QualifiedName& tagName, Document& document)
{
return adoptRef(new SVGSymbolElement(tagName, document));
}
bool SVGSymbolElement::isSupportedAttribute(const QualifiedName& attrName)
{
static NeverDestroyed<HashSet<QualifiedName>> supportedAttributes;
if (supportedAttributes.get().isEmpty()) {
SVGLangSpace::addSupportedAttributes(supportedAttributes);
SVGExternalResourcesRequired::addSupportedAttributes(supportedAttributes);
SVGFitToViewBox::addSupportedAttributes(supportedAttributes);
}
return supportedAttributes.get().contains<SVGAttributeHashTranslator>(attrName);
}
void SVGSymbolElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
if (!isSupportedAttribute(name)) {
SVGElement::parseAttribute(name, value);
return;
}
if (SVGLangSpace::parseAttribute(name, value))
return;
if (SVGExternalResourcesRequired::parseAttribute(name, value))
return;
if (SVGFitToViewBox::parseAttribute(this, name, value))
return;
ASSERT_NOT_REACHED();
}
void SVGSymbolElement::svgAttributeChanged(const QualifiedName& attrName)
{
if (!isSupportedAttribute(attrName)) {
SVGElement::svgAttributeChanged(attrName);
return;
}
SVGElementInstance::InvalidationGuard invalidationGuard(this);
if (attrName == SVGNames::viewBoxAttr)
updateRelativeLengthsInformation();
}
bool SVGSymbolElement::selfHasRelativeLengths() const
{
return hasAttribute(SVGNames::viewBoxAttr);
}
RenderPtr<RenderElement> SVGSymbolElement::createElementRenderer(PassRef<RenderStyle> style)
{
return createRenderer<RenderSVGHiddenContainer>(*this, WTF::move(style));
}
}