HTMLMetaElement.cpp [plain text]
#include "config.h"
#include "HTMLMetaElement.h"
#include "Attribute.h"
#include "Document.h"
#include "HTMLHeadElement.h"
#include "HTMLNames.h"
#include "Settings.h"
#include <wtf/IsoMallocInlines.h>
namespace WebCore {
WTF_MAKE_ISO_ALLOCATED_IMPL(HTMLMetaElement);
using namespace HTMLNames;
inline HTMLMetaElement::HTMLMetaElement(const QualifiedName& tagName, Document& document)
: HTMLElement(tagName, document)
{
ASSERT(hasTagName(metaTag));
}
Ref<HTMLMetaElement> HTMLMetaElement::create(Document& document)
{
return adoptRef(*new HTMLMetaElement(metaTag, document));
}
Ref<HTMLMetaElement> HTMLMetaElement::create(const QualifiedName& tagName, Document& document)
{
return adoptRef(*new HTMLMetaElement(tagName, document));
}
void HTMLMetaElement::parseAttribute(const QualifiedName& name, const AtomString& value)
{
if (name == http_equivAttr)
process();
else if (name == contentAttr)
process();
else if (name == nameAttr) {
} else
HTMLElement::parseAttribute(name, value);
}
Node::InsertedIntoAncestorResult HTMLMetaElement::insertedIntoAncestor(InsertionType insertionType, ContainerNode& parentOfInsertedTree)
{
HTMLElement::insertedIntoAncestor(insertionType, parentOfInsertedTree);
if (insertionType.connectedToDocument)
return InsertedIntoAncestorResult::NeedsPostInsertionCallback;
return InsertedIntoAncestorResult::Done;
}
void HTMLMetaElement::didFinishInsertingNode()
{
process();
}
void HTMLMetaElement::process()
{
if (!isConnected())
return;
const AtomString& contentValue = attributeWithoutSynchronization(contentAttr);
if (contentValue.isNull())
return;
if (equalLettersIgnoringASCIICase(name(), "viewport"))
document().processViewport(contentValue, ViewportArguments::ViewportMeta);
else if (document().settings().disabledAdaptationsMetaTagEnabled() && equalLettersIgnoringASCIICase(name(), "disabled-adaptations"))
document().processDisabledAdaptations(contentValue);
#if ENABLE(DARK_MODE_CSS)
else if (equalLettersIgnoringASCIICase(name(), "color-scheme") || equalLettersIgnoringASCIICase(name(), "supported-color-schemes"))
document().processColorScheme(contentValue);
#endif
#if PLATFORM(IOS_FAMILY)
else if (equalLettersIgnoringASCIICase(name(), "format-detection"))
document().processFormatDetection(contentValue);
else if (equalLettersIgnoringASCIICase(name(), "apple-mobile-web-app-orientations"))
document().processWebAppOrientations();
#endif
else if (equalLettersIgnoringASCIICase(name(), "referrer"))
document().processReferrerPolicy(contentValue, ReferrerPolicySource::MetaTag);
const AtomString& httpEquivValue = attributeWithoutSynchronization(http_equivAttr);
if (!httpEquivValue.isNull())
document().processHttpEquiv(httpEquivValue, contentValue, isDescendantOf(document().head()));
}
const AtomString& HTMLMetaElement::content() const
{
return attributeWithoutSynchronization(contentAttr);
}
const AtomString& HTMLMetaElement::httpEquiv() const
{
return attributeWithoutSynchronization(http_equivAttr);
}
const AtomString& HTMLMetaElement::name() const
{
return getNameAttribute();
}
}