void ScriptRunner::executeScripts()
{
RefPtrWillBeRawPtr<Document> protect(m_document.get());
WillBeHeapDeque<RawPtrWillBeMember<ScriptLoader>> scriptLoaders;
scriptLoaders.swap(m_scriptsToExecuteSoon);
WillBeHeapHashSet<RawPtrWillBeMember<ScriptLoader>> inorderSet;
while (!m_scriptsToExecuteInOrder.isEmpty() && m_scriptsToExecuteInOrder.first()->isReady()) {
ScriptLoader* script = m_scriptsToExecuteInOrder.takeFirst();
inorderSet.add(script);
scriptLoaders.append(script);
}
while (!scriptLoaders.isEmpty()) {
scriptLoaders.takeFirst()->execute();
m_document->decrementLoadEventDelayCount();
if (yieldForHighPriorityWork())
break;
}
// If we have to yield, we must re-enqueue any scriptLoaders back onto the front of
// m_scriptsToExecuteInOrder or m_scriptsToExecuteSoon depending on where the script
// came from.
// NOTE a yield followed by a notifyScriptReady(... ASYNC_EXECUTION) will result in that script executing
// before any pre-existing ScriptsToExecuteInOrder.
while (!scriptLoaders.isEmpty()) {
ScriptLoader* script = scriptLoaders.takeLast();
if (inorderSet.contains(script))
m_scriptsToExecuteInOrder.prepend(script);
else
m_scriptsToExecuteSoon.prepend(script);
}
}
void WebSocket::EventQueue::dispatchQueuedEvents()
{
if (m_state != Active)
return;
RefPtrWillBeRawPtr<EventQueue> protect(this);
WillBeHeapDeque<RefPtrWillBeMember<Event> > events;
events.swap(m_events);
while (!events.isEmpty()) {
if (m_state == Stopped || m_state == Suspended)
break;
ASSERT(m_state == Active);
ASSERT(m_target->executionContext());
m_target->dispatchEvent(events.takeFirst());
// |this| can be stopped here.
}
if (m_state == Suspended) {
while (!m_events.isEmpty())
events.append(m_events.takeFirst());
events.swap(m_events);
}
}