SVGStyleElement.cpp [plain text]
#include "config.h"
#include "SVGStyleElement.h"
#include "Attribute.h"
#include "CSSStyleSheet.h"
#include "Document.h"
#include "ExceptionCode.h"
#include "SVGNames.h"
#include <wtf/NeverDestroyed.h>
#include <wtf/StdLibExtras.h>
namespace WebCore {
inline SVGStyleElement::SVGStyleElement(const QualifiedName& tagName, Document& document, bool createdByParser)
: SVGElement(tagName, document)
, m_styleSheetOwner(document, createdByParser)
, m_svgLoadEventTimer(this, &SVGElement::svgLoadEventTimerFired)
{
ASSERT(hasTagName(SVGNames::styleTag));
}
SVGStyleElement::~SVGStyleElement()
{
m_styleSheetOwner.clearDocumentData(document(), *this);
}
PassRefPtr<SVGStyleElement> SVGStyleElement::create(const QualifiedName& tagName, Document& document, bool createdByParser)
{
return adoptRef(new SVGStyleElement(tagName, document, createdByParser));
}
bool SVGStyleElement::disabled() const
{
return sheet() && sheet()->disabled();
}
void SVGStyleElement::setDisabled(bool setDisabled)
{
if (CSSStyleSheet* styleSheet = sheet())
styleSheet->setDisabled(setDisabled);
}
const AtomicString& SVGStyleElement::type() const
{
DEPRECATED_DEFINE_STATIC_LOCAL(const AtomicString, defaultValue, ("text/css", AtomicString::ConstructFromLiteral));
const AtomicString& n = getAttribute(SVGNames::typeAttr);
return n.isNull() ? defaultValue : n;
}
void SVGStyleElement::setType(const AtomicString& type, ExceptionCode&)
{
setAttribute(SVGNames::typeAttr, type);
}
const AtomicString& SVGStyleElement::media() const
{
DEPRECATED_DEFINE_STATIC_LOCAL(const AtomicString, defaultValue, ("all", AtomicString::ConstructFromLiteral));
const AtomicString& n = fastGetAttribute(SVGNames::mediaAttr);
return n.isNull() ? defaultValue : n;
}
void SVGStyleElement::setMedia(const AtomicString& media, ExceptionCode&)
{
setAttribute(SVGNames::mediaAttr, media);
}
String SVGStyleElement::title() const
{
return fastGetAttribute(SVGNames::titleAttr);
}
void SVGStyleElement::setTitle(const AtomicString& title, ExceptionCode&)
{
setAttribute(SVGNames::titleAttr, title);
}
bool SVGStyleElement::isSupportedAttribute(const QualifiedName& attrName)
{
static NeverDestroyed<HashSet<QualifiedName>> supportedAttributes;
if (supportedAttributes.get().isEmpty()) {
SVGLangSpace::addSupportedAttributes(supportedAttributes);
supportedAttributes.get().add(SVGNames::titleAttr);
supportedAttributes.get().add(SVGNames::mediaAttr);
supportedAttributes.get().add(SVGNames::typeAttr);
}
return supportedAttributes.get().contains<SVGAttributeHashTranslator>(attrName);
}
void SVGStyleElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
if (!isSupportedAttribute(name)) {
SVGElement::parseAttribute(name, value);
return;
}
if (name == SVGNames::titleAttr) {
if (sheet())
sheet()->setTitle(value);
return;
}
if (name == SVGNames::typeAttr) {
m_styleSheetOwner.setContentType(value);
return;
}
if (name == SVGNames::mediaAttr) {
m_styleSheetOwner.setMedia(value);
return;
}
if (SVGLangSpace::parseAttribute(name, value))
return;
ASSERT_NOT_REACHED();
}
void SVGStyleElement::finishParsingChildren()
{
m_styleSheetOwner.finishParsingChildren(*this);
SVGElement::finishParsingChildren();
}
Node::InsertionNotificationRequest SVGStyleElement::insertedInto(ContainerNode& rootParent)
{
SVGElement::insertedInto(rootParent);
if (rootParent.inDocument())
m_styleSheetOwner.insertedIntoDocument(document(), *this);
return InsertionDone;
}
void SVGStyleElement::removedFrom(ContainerNode& rootParent)
{
SVGElement::removedFrom(rootParent);
if (rootParent.inDocument())
m_styleSheetOwner.removedFromDocument(document(), *this);
}
void SVGStyleElement::childrenChanged(const ChildChange& change)
{
SVGElement::childrenChanged(change);
m_styleSheetOwner.childrenChanged(*this);
}
}