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      1 // Copyright 2014 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CustomElementMicrotaskQueueBase_h
      6 #define CustomElementMicrotaskQueueBase_h
      7 
      8 #include "core/dom/custom/CustomElementMicrotaskStep.h"
      9 #include "platform/heap/Handle.h"
     10 #include "wtf/OwnPtr.h"
     11 #include "wtf/PassOwnPtr.h"
     12 #include "wtf/PassRefPtr.h"
     13 #include "wtf/RefCounted.h"
     14 #include "wtf/RefPtr.h"
     15 #include "wtf/Vector.h"
     16 
     17 namespace blink {
     18 
     19 class CustomElementMicrotaskQueueBase : public RefCountedWillBeGarbageCollectedFinalized<CustomElementMicrotaskQueueBase> {
     20     WTF_MAKE_NONCOPYABLE(CustomElementMicrotaskQueueBase);
     21 public:
     22     virtual ~CustomElementMicrotaskQueueBase() { }
     23 
     24     bool isEmpty() const { return m_queue.isEmpty(); }
     25     void dispatch();
     26 
     27     void trace(Visitor*);
     28 
     29 #if !defined(NDEBUG)
     30     void show(unsigned indent);
     31 #endif
     32 
     33 protected:
     34     CustomElementMicrotaskQueueBase() : m_inDispatch(false) { }
     35     virtual void doDispatch() = 0;
     36 
     37     WillBeHeapVector<OwnPtrWillBeMember<CustomElementMicrotaskStep> > m_queue;
     38     bool m_inDispatch;
     39 };
     40 
     41 }
     42 
     43 #endif // CustomElementMicrotaskQueueBase_h
     44