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32 #include "core/events/ScopedEventQueue.h"
34 #include "core/events/Event.h"
35 #include "core/events/EventDispatchMediator.h"
36 #include "core/events/EventDispatcher.h"
37 #include "core/events/EventTarget.h"
38 #include "wtf/OwnPtr.h"
42 ScopedEventQueue* ScopedEventQueue::s_instance = 0;
44 ScopedEventQueue::ScopedEventQueue()
49 ScopedEventQueue::~ScopedEventQueue()
51 ASSERT(!m_scopingLevel);
52 ASSERT(!m_queuedEventDispatchMediators.size());
55 void ScopedEventQueue::initialize()
58 OwnPtr<ScopedEventQueue> instance = adoptPtr(new ScopedEventQueue);
59 s_instance = instance.leakPtr();
62 void ScopedEventQueue::enqueueEventDispatchMediator(PassRefPtrWillBeRawPtr<EventDispatchMediator> mediator)
65 m_queuedEventDispatchMediators.append(mediator);
67 dispatchEvent(mediator);
70 void ScopedEventQueue::dispatchAllEvents()
72 WillBeHeapVector<RefPtrWillBeMember<EventDispatchMediator> > queuedEventDispatchMediators;
73 queuedEventDispatchMediators.swap(m_queuedEventDispatchMediators);
75 for (size_t i = 0; i < queuedEventDispatchMediators.size(); i++)
76 dispatchEvent(queuedEventDispatchMediators[i].release());
79 void ScopedEventQueue::dispatchEvent(PassRefPtrWillBeRawPtr<EventDispatchMediator> mediator) const
81 ASSERT(mediator->event()->target());
82 Node* node = mediator->event()->target()->toNode();
83 EventDispatcher::dispatchEvent(node, mediator);
86 ScopedEventQueue* ScopedEventQueue::instance()
94 void ScopedEventQueue::incrementScopingLevel()
99 void ScopedEventQueue::decrementScopingLevel()
101 ASSERT(m_scopingLevel);