1 /* 2 * Copyright (C) 2010 Google Inc. All Rights Reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 * 25 */ 26 27 #ifndef WorkerEventQueue_h 28 #define WorkerEventQueue_h 29 30 #include "core/events/EventQueue.h" 31 #include "wtf/HashMap.h" 32 #include "wtf/HashSet.h" 33 #include "wtf/PassOwnPtr.h" 34 #include "wtf/RefCounted.h" 35 36 namespace blink { 37 38 class Event; 39 class Node; 40 class ExecutionContext; 41 42 class WorkerEventQueue FINAL : public EventQueue { 43 WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED; 44 public: 45 46 static PassOwnPtrWillBeRawPtr<WorkerEventQueue> create(ExecutionContext*); 47 virtual ~WorkerEventQueue(); 48 void trace(Visitor*); 49 50 // EventQueue 51 virtual bool enqueueEvent(PassRefPtrWillBeRawPtr<Event>) OVERRIDE; 52 virtual bool cancelEvent(Event*) OVERRIDE; 53 virtual void close() OVERRIDE; 54 55 private: 56 explicit WorkerEventQueue(ExecutionContext*); 57 void removeEvent(Event*); 58 59 RawPtrWillBeMember<ExecutionContext> m_executionContext; 60 bool m_isClosed; 61 62 class EventDispatcherTask; 63 typedef WillBeHeapHashMap<RefPtrWillBeMember<Event>, EventDispatcherTask*> EventTaskMap; 64 EventTaskMap m_eventTaskMap; 65 }; 66 67 } 68 69 #endif // WorkerEventQueue_h 70
