1 /* 2 * Copyright (C) 2011 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 are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef EventDispatchMediator_h 32 #define EventDispatchMediator_h 33 34 #include "platform/heap/Handle.h" 35 #include "wtf/PassRefPtr.h" 36 #include "wtf/RefCounted.h" 37 #include "wtf/RefPtr.h" 38 39 namespace blink { 40 41 class Event; 42 class EventDispatcher; 43 class Node; 44 45 class EventDispatchMediator : public RefCountedWillBeGarbageCollectedFinalized<EventDispatchMediator> { 46 public: 47 static PassRefPtrWillBeRawPtr<EventDispatchMediator> create(PassRefPtrWillBeRawPtr<Event>); ~EventDispatchMediator()48 virtual ~EventDispatchMediator() { }; 49 virtual void trace(Visitor*); 50 virtual bool dispatchEvent(EventDispatcher*) const; event()51 Event* event() const { return m_event.get(); }; 52 53 protected: 54 explicit EventDispatchMediator(PassRefPtrWillBeRawPtr<Event>); EventDispatchMediator()55 EventDispatchMediator() { }; setEvent(PassRefPtrWillBeRawPtr<Event> event)56 void setEvent(PassRefPtrWillBeRawPtr<Event> event) { m_event = event; }; 57 58 private: 59 RefPtrWillBeMember<Event> m_event; 60 }; 61 62 } // namespace blink 63 64 #endif // EventDispatchMediator_h 65