HTMLSourceElement.cpp [plain text]
#include "config.h"
#include "HTMLSourceElement.h"
#include "Event.h"
#include "EventNames.h"
#include "HTMLDocument.h"
#if ENABLE(VIDEO)
#include "HTMLMediaElement.h"
#endif
#include "HTMLNames.h"
#include "HTMLPictureElement.h"
#include "Logging.h"
namespace WebCore {
using namespace HTMLNames;
inline HTMLSourceElement::HTMLSourceElement(const QualifiedName& tagName, Document& document)
: HTMLElement(tagName, document)
, ActiveDOMObject(&document)
, m_errorEventTimer(*this, &HTMLSourceElement::errorEventTimerFired)
{
LOG(Media, "HTMLSourceElement::HTMLSourceElement - %p", this);
ASSERT(hasTagName(sourceTag));
}
Ref<HTMLSourceElement> HTMLSourceElement::create(const QualifiedName& tagName, Document& document)
{
Ref<HTMLSourceElement> sourceElement = adoptRef(*new HTMLSourceElement(tagName, document));
sourceElement->suspendIfNeeded();
return sourceElement;
}
Node::InsertionNotificationRequest HTMLSourceElement::insertedInto(ContainerNode& insertionPoint)
{
HTMLElement::insertedInto(insertionPoint);
Element* parent = parentElement();
if (parent) {
#if ENABLE(VIDEO)
if (is<HTMLMediaElement>(*parent))
downcast<HTMLMediaElement>(*parent).sourceWasAdded(this);
else
#endif
if (is<HTMLPictureElement>(*parent))
downcast<HTMLPictureElement>(*parent).sourcesChanged();
}
return InsertionDone;
}
void HTMLSourceElement::removedFrom(ContainerNode& removalRoot)
{
Element* parent = parentElement();
if (!parent && is<Element>(removalRoot))
parent = &downcast<Element>(removalRoot);
if (parent) {
#if ENABLE(VIDEO)
if (is<HTMLMediaElement>(*parent))
downcast<HTMLMediaElement>(*parent).sourceWasRemoved(this);
else
#endif
if (is<HTMLPictureElement>(*parent))
downcast<HTMLPictureElement>(*parent).sourcesChanged();
}
HTMLElement::removedFrom(removalRoot);
}
void HTMLSourceElement::setSrc(const String& url)
{
setAttributeWithoutSynchronization(srcAttr, url);
}
String HTMLSourceElement::media() const
{
return attributeWithoutSynchronization(mediaAttr);
}
void HTMLSourceElement::setMedia(const String& media)
{
setAttributeWithoutSynchronization(mediaAttr, media);
}
String HTMLSourceElement::type() const
{
return attributeWithoutSynchronization(typeAttr);
}
void HTMLSourceElement::setType(const String& type)
{
setAttributeWithoutSynchronization(typeAttr, type);
}
void HTMLSourceElement::scheduleErrorEvent()
{
LOG(Media, "HTMLSourceElement::scheduleErrorEvent - %p", this);
if (m_errorEventTimer.isActive())
return;
m_errorEventTimer.startOneShot(0);
}
void HTMLSourceElement::cancelPendingErrorEvent()
{
LOG(Media, "HTMLSourceElement::cancelPendingErrorEvent - %p", this);
m_errorEventTimer.stop();
}
void HTMLSourceElement::errorEventTimerFired()
{
LOG(Media, "HTMLSourceElement::errorEventTimerFired - %p", this);
dispatchEvent(Event::create(eventNames().errorEvent, false, true));
}
bool HTMLSourceElement::isURLAttribute(const Attribute& attribute) const
{
return attribute.name() == srcAttr || HTMLElement::isURLAttribute(attribute);
}
const char* HTMLSourceElement::activeDOMObjectName() const
{
return "HTMLSourceElement";
}
bool HTMLSourceElement::canSuspendForDocumentSuspension() const
{
return true;
}
void HTMLSourceElement::suspend(ReasonForSuspension why)
{
if (why == PageCache) {
m_shouldRescheduleErrorEventOnResume = m_errorEventTimer.isActive();
m_errorEventTimer.stop();
}
}
void HTMLSourceElement::resume()
{
if (m_shouldRescheduleErrorEventOnResume) {
m_errorEventTimer.startOneShot(0);
m_shouldRescheduleErrorEventOnResume = false;
}
}
void HTMLSourceElement::stop()
{
cancelPendingErrorEvent();
}
void HTMLSourceElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
HTMLElement::parseAttribute(name, value);
if (name == srcsetAttr || name == sizesAttr || name == mediaAttr || name == typeAttr) {
if (name == mediaAttr)
m_mediaQuerySet = MediaQuerySet::createAllowingDescriptionSyntax(value);
auto* parent = parentNode();
if (is<HTMLPictureElement>(parent))
downcast<HTMLPictureElement>(*parent).sourcesChanged();
}
}
}