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
39namespace blink {
40
41class Event;
42class EventDispatcher;
43class Node;
44
45class EventDispatchMediator : public RefCountedWillBeGarbageCollectedFinalized<EventDispatchMediator> {
46public:
47    static PassRefPtrWillBeRawPtr<EventDispatchMediator> create(PassRefPtrWillBeRawPtr<Event>);
48    virtual ~EventDispatchMediator() { };
49    virtual void trace(Visitor*);
50    virtual bool dispatchEvent(EventDispatcher*) const;
51    Event* event() const { return m_event.get(); };
52
53protected:
54    explicit EventDispatchMediator(PassRefPtrWillBeRawPtr<Event>);
55    EventDispatchMediator() { };
56    void setEvent(PassRefPtrWillBeRawPtr<Event> event) { m_event = event; };
57
58private:
59    RefPtrWillBeMember<Event> m_event;
60};
61
62} // namespace blink
63
64#endif // EventDispatchMediator_h
65