1/*
2 * Copyright (C) 2004, 2006, 2008, 2010 Apple Inc. All rights reserved.
3 * Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#ifndef ObjCEventListener_h
28#define ObjCEventListener_h
29
30#include "EventListener.h"
31#include <wtf/Forward.h>
32#include <wtf/RetainPtr.h>
33
34@protocol DOMEventListener;
35
36namespace WebCore {
37
38    class ObjCEventListener : public EventListener {
39    public:
40        typedef id<DOMEventListener> ObjCListener;
41        static PassRefPtr<ObjCEventListener> wrap(ObjCListener);
42
43        static const ObjCEventListener* cast(const EventListener* listener)
44        {
45            return listener->type() == ObjCEventListenerType
46                ? static_cast<const ObjCEventListener*>(listener)
47                : 0;
48        }
49
50    private:
51        static ObjCEventListener* find(ObjCListener);
52
53        ObjCEventListener(ObjCListener);
54        virtual ~ObjCEventListener();
55        virtual bool operator==(const EventListener&);
56        virtual void handleEvent(ScriptExecutionContext*, Event*);
57
58        RetainPtr<ObjCListener> m_listener;
59    };
60
61} // namespace WebCore
62
63#endif
64