HTMLDataListElement.cpp [plain text]
#include "config.h"
#if ENABLE(DATALIST_ELEMENT)
#include "HTMLDataListElement.h"
#include "GenericCachedHTMLCollection.h"
#include "HTMLNames.h"
#include "HTMLOptionElement.h"
#include "IdTargetObserverRegistry.h"
#include "NodeRareData.h"
#include <wtf/IsoMallocInlines.h>
namespace WebCore {
WTF_MAKE_ISO_ALLOCATED_IMPL(HTMLDataListElement);
inline HTMLDataListElement::HTMLDataListElement(const QualifiedName& tagName, Document& document)
: HTMLElement(tagName, document)
{
document.incrementDataListElementCount();
}
HTMLDataListElement::~HTMLDataListElement()
{
document().decrementDataListElementCount();
}
Ref<HTMLDataListElement> HTMLDataListElement::create(const QualifiedName& tagName, Document& document)
{
return adoptRef(*new HTMLDataListElement(tagName, document));
}
void HTMLDataListElement::didMoveToNewDocument(Document& oldDocument, Document& newDocument)
{
oldDocument.decrementDataListElementCount();
newDocument.incrementDataListElementCount();
HTMLElement::didMoveToNewDocument(oldDocument, newDocument);
}
Ref<HTMLCollection> HTMLDataListElement::options()
{
return ensureRareData().ensureNodeLists().addCachedCollection<GenericCachedHTMLCollection<CollectionTypeTraits<DataListOptions>::traversalType>>(*this, DataListOptions);
}
void HTMLDataListElement::optionElementChildrenChanged()
{
treeScope().idTargetObserverRegistry().notifyObservers(getIdAttribute());
}
bool HTMLDataListElement::isSuggestion(const HTMLOptionElement& descendant)
{
return !descendant.isDisabledFormControl() && !descendant.value().isEmpty();
}
}
#endif // ENABLE(DATALIST_ELEMENT)