1/*
2 * Copyright (C) 2006, 2007, 2008 Apple 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 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 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 OverflowEvent_h
27#define OverflowEvent_h
28
29#include "Event.h"
30
31namespace WebCore {
32
33struct OverflowEventInit : public EventInit {
34    OverflowEventInit();
35
36    unsigned short orient;
37    bool horizontalOverflow;
38    bool verticalOverflow;
39};
40
41class OverflowEvent : public Event {
42public:
43    enum orientType {
44        HORIZONTAL = 0,
45        VERTICAL   = 1,
46        BOTH       = 2
47    };
48
49    static PassRefPtr<OverflowEvent> create()
50    {
51        return adoptRef(new OverflowEvent);
52    }
53    static PassRefPtr<OverflowEvent> create(bool horizontalOverflowChanged, bool horizontalOverflow, bool verticalOverflowChanged, bool verticalOverflow)
54    {
55        return adoptRef(new OverflowEvent(horizontalOverflowChanged, horizontalOverflow, verticalOverflowChanged, verticalOverflow));
56    }
57    static PassRefPtr<OverflowEvent> create(const AtomicString& type, const OverflowEventInit& initializer)
58    {
59        return adoptRef(new OverflowEvent(type, initializer));
60    }
61
62    void initOverflowEvent(unsigned short orient, bool horizontalOverflow, bool verticalOverflow);
63
64    unsigned short orient() const { return m_orient; }
65    bool horizontalOverflow() const { return m_horizontalOverflow; }
66    bool verticalOverflow() const { return m_verticalOverflow; }
67
68    virtual EventInterface eventInterface() const override;
69
70private:
71    OverflowEvent();
72    OverflowEvent(bool horizontalOverflowChanged, bool horizontalOverflow, bool verticalOverflowChanged, bool verticalOverflow);
73    OverflowEvent(const AtomicString&, const OverflowEventInit&);
74
75    unsigned short m_orient;
76    bool m_horizontalOverflow;
77    bool m_verticalOverflow;
78};
79
80}
81
82#endif // OverflowEvent_h
83