CustomElementConstructor.cpp [plain text]
#include "config.h"
#if ENABLE(CUSTOM_ELEMENTS)
#include "CustomElementConstructor.h"
#include "CustomElementHelpers.h"
#include "Document.h"
#include "HTMLElement.h"
#include "HTMLNames.h"
#include "SVGElement.h"
#include "SVGNames.h"
#include <wtf/Assertions.h>
namespace WebCore {
PassRefPtr<CustomElementConstructor> CustomElementConstructor::create(ScriptState* state, Document* document, const QualifiedName& typeName, const QualifiedName& localName, const ScriptValue& prototype)
{
ASSERT(CustomElementHelpers::isValidPrototypeParameter(prototype, state));
ASSERT(localName == typeName || localName == *CustomElementHelpers::findLocalName(prototype));
RefPtr<CustomElementConstructor> created = adoptRef(new CustomElementConstructor(document, typeName, localName));
if (!CustomElementHelpers::initializeConstructorWrapper(created.get(), prototype, state))
return 0;
return created.release();
}
CustomElementConstructor::CustomElementConstructor(Document* document, const QualifiedName& typeName, const QualifiedName& localName)
: ContextDestructionObserver(document)
, m_typeName(typeName)
, m_localName(localName)
{
}
CustomElementConstructor::~CustomElementConstructor()
{
}
PassRefPtr<Element> CustomElementConstructor::createElement()
{
RefPtr<Element> element = createElementInternal();
if (element)
document()->didCreateCustomElement(element.get(), this);
return element.release();
}
PassRefPtr<Element> CustomElementConstructor::createElementInternal()
{
if (!document())
return 0;
if (m_localName != m_typeName)
return setTypeExtension(document()->createElement(m_localName, document()), m_typeName.localName());
if (HTMLNames::xhtmlNamespaceURI == m_typeName.namespaceURI())
return HTMLElement::create(m_typeName, document());
#if ENABLE(SVG)
if (SVGNames::svgNamespaceURI == m_typeName.namespaceURI())
return SVGElement::create(m_typeName, document());
#endif
return Element::create(m_typeName, document());
}
PassRefPtr<Element> setTypeExtension(PassRefPtr<Element> element, const AtomicString& typeExtension)
{
if (!typeExtension.isEmpty())
element->setAttribute(HTMLNames::isAttr, typeExtension);
return element;
}
}
#endif // ENABLE(CUSTOM_ELEMENTS)