1 /* 2 * Copyright (C) 2012 Victor Carbune (victor@rosedu.org) 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 #ifndef GenericEventQueue_h 27 #define GenericEventQueue_h 28 29 #include "core/events/EventQueue.h" 30 #include "core/events/EventTarget.h" 31 #include "platform/Timer.h" 32 #include "wtf/PassOwnPtr.h" 33 #include "wtf/RefPtr.h" 34 #include "wtf/Vector.h" 35 36 namespace blink { 37 38 class GenericEventQueue FINAL : public EventQueue { 39 WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED; 40 public: 41 static PassOwnPtrWillBeRawPtr<GenericEventQueue> create(EventTarget*); 42 virtual ~GenericEventQueue(); 43 44 // EventQueue 45 virtual void trace(Visitor*) OVERRIDE; 46 virtual bool enqueueEvent(PassRefPtrWillBeRawPtr<Event>) OVERRIDE; 47 virtual bool cancelEvent(Event*) OVERRIDE; 48 virtual void close() OVERRIDE; 49 50 void cancelAllEvents(); 51 bool hasPendingEvents() const; 52 53 private: 54 explicit GenericEventQueue(EventTarget*); 55 void timerFired(Timer<GenericEventQueue>*); 56 57 RawPtrWillBeMember<EventTarget> m_owner; 58 WillBeHeapVector<RefPtrWillBeMember<Event> > m_pendingEvents; 59 Timer<GenericEventQueue> m_timer; 60 61 bool m_isClosed; 62 }; 63 64 } 65 66 #endif 67