HTMLTemplateElement.cpp [plain text]
#include "config.h"
#include "HTMLTemplateElement.h"
#include "DocumentFragment.h"
#include "TemplateContentDocumentFragment.h"
#include "markup.h"
#include <wtf/IsoMallocInlines.h>
namespace WebCore {
WTF_MAKE_ISO_ALLOCATED_IMPL(HTMLTemplateElement);
using namespace HTMLNames;
inline HTMLTemplateElement::HTMLTemplateElement(const QualifiedName& tagName, Document& document)
: HTMLElement(tagName, document)
{
}
HTMLTemplateElement::~HTMLTemplateElement()
{
if (m_content)
m_content->clearHost();
}
Ref<HTMLTemplateElement> HTMLTemplateElement::create(const QualifiedName& tagName, Document& document)
{
return adoptRef(*new HTMLTemplateElement(tagName, document));
}
DocumentFragment* HTMLTemplateElement::contentIfAvailable() const
{
return m_content.get();
}
DocumentFragment& HTMLTemplateElement::content() const
{
if (!m_content)
m_content = TemplateContentDocumentFragment::create(document().ensureTemplateDocument(), this);
return *m_content;
}
Ref<Node> HTMLTemplateElement::cloneNodeInternal(Document& targetDocument, CloningOperation type)
{
RefPtr<Node> clone;
switch (type) {
case CloningOperation::OnlySelf:
return cloneElementWithoutChildren(targetDocument);
case CloningOperation::SelfWithTemplateContent:
clone = cloneElementWithoutChildren(targetDocument);
break;
case CloningOperation::Everything:
clone = cloneElementWithChildren(targetDocument);
break;
}
if (m_content)
content().cloneChildNodes(downcast<HTMLTemplateElement>(clone.get())->content());
return clone.releaseNonNull();
}
void HTMLTemplateElement::didMoveToNewDocument(Document& oldDocument, Document& newDocument)
{
HTMLElement::didMoveToNewDocument(oldDocument, newDocument);
if (!m_content)
return;
ASSERT_WITH_SECURITY_IMPLICATION(&document() == &newDocument);
m_content->setTreeScopeRecursively(newDocument.ensureTemplateDocument());
}
}