| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef V0CustomElementMicrotaskDispatcher_h |
| #define V0CustomElementMicrotaskDispatcher_h |
| |
| #include "platform/heap/Handle.h" |
| #include "wtf/Noncopyable.h" |
| #include "wtf/Vector.h" |
| |
| namespace blink { |
| |
| class V0CustomElementCallbackQueue; |
| |
| class V0CustomElementMicrotaskDispatcher final : public GarbageCollected<V0CustomElementMicrotaskDispatcher> { |
| WTF_MAKE_NONCOPYABLE(V0CustomElementMicrotaskDispatcher); |
| public: |
| static V0CustomElementMicrotaskDispatcher& instance(); |
| |
| void enqueue(V0CustomElementCallbackQueue*); |
| |
| bool elementQueueIsEmpty() { return m_elements.isEmpty(); } |
| |
| DECLARE_TRACE(); |
| |
| private: |
| V0CustomElementMicrotaskDispatcher(); |
| |
| void ensureMicrotaskScheduledForElementQueue(); |
| void ensureMicrotaskScheduled(); |
| |
| static void dispatch(); |
| void doDispatch(); |
| |
| bool m_hasScheduledMicrotask; |
| enum { |
| Quiescent, |
| Resolving, |
| DispatchingCallbacks |
| } m_phase; |
| |
| HeapVector<Member<V0CustomElementCallbackQueue>> m_elements; |
| }; |
| |
| } // namespace blink |
| |
| #endif // V0CustomElementMicrotaskDispatcher_h |