void WorkerGlobalScope::dispose()
{
ASSERT(thread()->isCurrentThread());
stopActiveDOMObjects();
// Event listeners would keep DOMWrapperWorld objects alive for too long. Also, they have references to JS objects,
// which become dangling once Heap is destroyed.
for (auto it = m_eventListeners.begin(); it != m_eventListeners.end(); ) {
RawPtr<V8AbstractEventListener> listener = *it;
// clearListenerObject() will unregister the listener from
// m_eventListeners, and invalidate the iterator, so we have to advance
// it first.
++it;
listener->clearListenerObject();
}
removeAllEventListeners();
clearScript();
clearInspector();
m_eventQueue->close();
// We do not clear the thread field of the
// WorkerGlobalScope. Other objects keep the worker global scope
// alive because they need its thread field to check that work is
// being carried out on the right thread. We therefore cannot clear
// the thread field before all references to the worker global
// scope are gone.
}
EventDispatcher::~EventDispatcher()
{
// Clear internal custom listener IDs from set,
// so removeAllEventListeners would clean internal custom listeners.
_internalCustomListenerIDs.clear();
removeAllEventListeners();
}
void WorkerGlobalScope::dispose() {
DCHECK(thread()->isCurrentThread());
// Event listeners would keep DOMWrapperWorld objects alive for too long.
// Also, they have references to JS objects, which become dangling once Heap
// is destroyed.
for (auto it = m_eventListeners.begin(); it != m_eventListeners.end();) {
V8AbstractEventListener* listener = *it;
// clearListenerObject() will unregister the listener from
// m_eventListeners, and invalidate the iterator, so we have to advance
// it first.
++it;
listener->clearListenerObject();
}
removeAllEventListeners();
m_scriptController->dispose();
m_scriptController.clear();
m_eventQueue->close();
m_thread = nullptr;
}
void IDBDatabase::stop()
{
LOG(IndexedDB, "IDBDatabase::stop - %" PRIu64, m_databaseConnectionIdentifier);
ASSERT(&originThread() == &Thread::current());
removeAllEventListeners();
Vector<IDBResourceIdentifier> transactionIdentifiers;
transactionIdentifiers.reserveInitialCapacity(m_activeTransactions.size());
for (auto& id : m_activeTransactions.keys())
transactionIdentifiers.uncheckedAppend(id);
for (auto& id : transactionIdentifiers) {
IDBTransaction* transaction = m_activeTransactions.get(id);
if (transaction)
transaction->stop();
}
close();
}
EventDispatcher::~EventDispatcher()
{
removeAllEventListeners();
}
void ImageCapture::contextDestroyed()
{
removeAllEventListeners();
m_serviceRequests.clear();
DCHECK(!hasEventListeners());
}
void GameFatherLayer::onExit()
{
Layer::onExit();
auto eventdispatcher=Director::getInstance()->getEventDispatcher();
eventdispatcher->removeAllEventListeners();
}
