bool EventTarget::fireEventListeners(Event& event)
{
ASSERT_WITH_SECURITY_IMPLICATION(!NoEventDispatchAssertion::isEventDispatchForbidden());
ASSERT(event.isInitialized());
EventTargetData* d = eventTargetData();
if (!d)
return true;
EventListenerVector* legacyListenersVector = nullptr;
const AtomicString& legacyTypeName = legacyType(event);
if (!legacyTypeName.isEmpty())
legacyListenersVector = d->eventListenerMap.find(legacyTypeName);
EventListenerVector* listenersVector = d->eventListenerMap.find(event.type());
if (listenersVector)
fireEventListeners(event, d, *listenersVector);
else if (legacyListenersVector) {
AtomicString typeName = event.type();
event.setType(legacyTypeName);
fireEventListeners(event, d, *legacyListenersVector);
event.setType(typeName);
}
return !event.defaultPrevented();
}
bool EventTarget::fireEventListeners(Event* event)
{
ASSERT(!EventDispatchForbiddenScope::isEventDispatchForbidden());
ASSERT(event && !event->type().isEmpty());
EventTargetData* d = eventTargetData();
if (!d)
return true;
EventListenerVector* legacyListenersVector = nullptr;
AtomicString legacyTypeName = legacyType(event);
if (!legacyTypeName.isEmpty())
legacyListenersVector = d->eventListenerMap.find(legacyTypeName);
EventListenerVector* listenersVector = d->eventListenerMap.find(event->type());
if (listenersVector) {
fireEventListeners(event, d, *listenersVector);
} else if (legacyListenersVector) {
AtomicString unprefixedTypeName = event->type();
event->setType(legacyTypeName);
fireEventListeners(event, d, *legacyListenersVector);
event->setType(unprefixedTypeName);
}
Editor::countEvent(executionContext(), event);
countLegacyEvents(legacyTypeName, listenersVector, legacyListenersVector);
return !event->defaultPrevented();
}
bool EventTarget::dispatchEventInternal(PassRefPtrWillBeRawPtr<Event> event)
{
event->setTarget(this);
event->setCurrentTarget(this);
event->setEventPhase(Event::AT_TARGET);
bool defaultWasNotPrevented = fireEventListeners(event.get());
event->setEventPhase(0);
return defaultWasNotPrevented;
}
bool EventTarget::dispatchEvent(Event& event)
{
ASSERT(event.isInitialized());
ASSERT(!event.isBeingDispatched());
event.setTarget(this);
event.setCurrentTarget(this);
event.setEventPhase(Event::AT_TARGET);
bool defaultPrevented = fireEventListeners(event);
event.setEventPhase(0);
return defaultPrevented;
}
bool EventTarget::fireEventListeners(Event* event)
{
ASSERT(!EventDispatchForbiddenScope::isEventDispatchForbidden());
ASSERT(event && !event->type().isEmpty());
EventTargetData* d = eventTargetData();
if (!d)
return true;
EventListenerVector* legacyListenersVector = 0;
AtomicString legacyTypeName = legacyType(event);
if (!legacyTypeName.isEmpty())
legacyListenersVector = d->eventListenerMap.find(legacyTypeName);
EventListenerVector* listenersVector = d->eventListenerMap.find(event->type());
if (!RuntimeEnabledFeatures::cssAnimationUnprefixedEnabled() && (event->type() == EventTypeNames::animationiteration || event->type() == EventTypeNames::animationend
|| event->type() == EventTypeNames::animationstart)
// Some code out-there uses custom events to dispatch unprefixed animation events manually,
// we can safely remove all this block when cssAnimationUnprefixedEnabled is always on, this
// is really a special case. DO NOT ADD MORE EVENTS HERE.
&& event->interfaceName() != EventNames::CustomEvent)
listenersVector = 0;
if (listenersVector) {
fireEventListeners(event, d, *listenersVector);
} else if (legacyListenersVector) {
AtomicString unprefixedTypeName = event->type();
event->setType(legacyTypeName);
fireEventListeners(event, d, *legacyListenersVector);
event->setType(unprefixedTypeName);
}
Editor::countEvent(executionContext(), event);
countLegacyEvents(legacyTypeName, listenersVector, legacyListenersVector);
return !event->defaultPrevented();
}
