void ScriptGCEvent::addEventListener(ScriptGCEventListener* eventListener)
{
ASSERT(eventListener);
if (eventListeners().isEmpty()) {
v8::V8::AddGCPrologueCallback(ScriptGCEvent::gcPrologueCallback);
v8::V8::AddGCEpilogueCallback(ScriptGCEvent::gcEpilogueCallback);
}
eventListeners().append(eventListener);
}
void ScriptGCEvent::removeEventListener(ScriptGCEventListener* eventListener)
{
ASSERT(eventListener);
ASSERT(!eventListeners().isEmpty());
size_t i = eventListeners().find(eventListener);
ASSERT(i != notFound);
eventListeners().remove(i);
if (eventListeners().isEmpty()) {
v8::V8::RemoveGCPrologueCallback(ScriptGCEvent::gcPrologueCallback);
v8::V8::RemoveGCEpilogueCallback(ScriptGCEvent::gcEpilogueCallback);
}
}
void EventTargetNode::insertedIntoDocument()
{
if (!eventListeners().isEmpty())
document()->unregisterDisconnectedNodeWithEventListeners(this);
Node::insertedIntoDocument();
}
void EventTargetNode::removedFromDocument()
{
if (!eventListeners().isEmpty())
document()->registerDisconnectedNodeWithEventListeners(this);
Node::removedFromDocument();
}
void EventTargetNode::didMoveToNewOwnerDocument()
{
if (!eventListeners().isEmpty())
document()->registerDisconnectedNodeWithEventListeners(this);
Node::didMoveToNewOwnerDocument();
}
void ScriptGCEvent::gcEpilogueCallback(v8::GCType type, v8::GCCallbackFlags flags)
{
double endTime = WTF::currentTimeMS();
size_t collectedBytes = s_usedHeapSize - getUsedHeapSize();
GCEventListeners listeners(eventListeners());
for (GCEventListeners::iterator i = listeners.begin(); i != listeners.end(); ++i)
(*i)->didGC(s_startTime, endTime, collectedBytes);
}
EventListener *EventTargetNode::getEventListener(const AtomicString &eventType)
{
const RegisteredEventListenerVector& listeners = eventListeners();
size_t size = listeners.size();
for (size_t i = 0; i < size; ++i) {
const RegisteredEventListener& r = *listeners[i];
if (r.eventType() == eventType)
return r.listener();
}
return 0;
}
EventListener* EventTargetNode::inlineEventListenerForType(const AtomicString& eventType) const
{
const RegisteredEventListenerVector& listeners = eventListeners();
size_t size = listeners.size();
for (size_t i = 0; i < size; ++i) {
const RegisteredEventListener& r = *listeners[i];
if (r.eventType() == eventType && r.listener()->isInline())
return r.listener();
}
return 0;
}
void EventTargetNode::handleLocalEvents(Event* event, bool useCapture)
{
if (disabled() && event->isMouseEvent())
return;
RegisteredEventListenerVector listenersCopy = eventListeners();
size_t size = listenersCopy.size();
for (size_t i = 0; i < size; ++i) {
const RegisteredEventListener& r = *listenersCopy[i];
if (r.eventType() == event->type() && r.useCapture() == useCapture && !r.removed())
r.listener()->handleEvent(event, false);
}
}
EventTargetNode::~EventTargetNode()
{
if (!eventListeners().isEmpty() && !inDocument())
document()->unregisterDisconnectedNodeWithEventListeners(this);
}
