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 FullscreenElementStack::fullScreenChangeDelayTimerFired(Timer<FullscreenElementStack>*) { // Since we dispatch events in this function, it's possible that the // document will be detached and GC'd. We protect it here to make sure we // can finish the function successfully. RefPtrWillBeRawPtr<Document> protectDocument(document()); WillBeHeapDeque<RefPtrWillBeMember<Node> > changeQueue; m_fullScreenChangeEventTargetQueue.swap(changeQueue); WillBeHeapDeque<RefPtrWillBeMember<Node> > errorQueue; m_fullScreenErrorEventTargetQueue.swap(errorQueue); while (!changeQueue.isEmpty()) { RefPtrWillBeRawPtr<Node> node = changeQueue.takeFirst(); if (!node) node = document()->documentElement(); // The dispatchEvent below may have blown away our documentElement. if (!node) continue; // If the element was removed from our tree, also message the documentElement. Since we may // have a document hierarchy, check that node isn't in another document. if (!document()->contains(node.get()) && !node->inDocument()) changeQueue.append(document()->documentElement()); node->dispatchEvent(Event::createBubble(EventTypeNames::webkitfullscreenchange)); } while (!errorQueue.isEmpty()) { RefPtrWillBeRawPtr<Node> node = errorQueue.takeFirst(); if (!node) node = document()->documentElement(); // The dispatchEvent below may have blown away our documentElement. if (!node) continue; // If the element was removed from our tree, also message the documentElement. Since we may // have a document hierarchy, check that node isn't in another document. if (!document()->contains(node.get()) && !node->inDocument()) errorQueue.append(document()->documentElement()); node->dispatchEvent(Event::createBubble(EventTypeNames::webkitfullscreenerror)); } }
void Fullscreen::eventQueueTimerFired(Timer<Fullscreen>*) { // Since we dispatch events in this function, it's possible that the // document will be detached and GC'd. We protect it here to make sure we // can finish the function successfully. RefPtrWillBeRawPtr<Document> protectDocument(document()); WillBeHeapDeque<RefPtrWillBeMember<Event> > eventQueue; m_eventQueue.swap(eventQueue); while (!eventQueue.isEmpty()) { RefPtrWillBeRawPtr<Event> event = eventQueue.takeFirst(); Node* target = event->target()->toNode(); // If the element was removed from our tree, also message the documentElement. if (!target->inDocument() && document()->documentElement()) { ASSERT(isPrefixed(event->type())); eventQueue.append(createEvent(event->type(), *document()->documentElement())); } target->dispatchEvent(event); } }
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); } }