1/*
2 * Copyright (C) 2006, 2007 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 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#include "config.h"
27#include "OverflowEvent.h"
28
29#include "EventNames.h"
30
31namespace WebCore {
32
33OverflowEvent::OverflowEvent()
34    : Event(eventNames().overflowchangedEvent, false, false)
35    , m_orient(VERTICAL)
36    , m_horizontalOverflow(false)
37    , m_verticalOverflow(false)
38{
39}
40
41OverflowEvent::OverflowEvent(bool horizontalOverflowChanged, bool horizontalOverflow, bool verticalOverflowChanged, bool verticalOverflow)
42    : Event(eventNames().overflowchangedEvent, false, false)
43    , m_horizontalOverflow(horizontalOverflow)
44    , m_verticalOverflow(verticalOverflow)
45{
46    ASSERT(horizontalOverflowChanged || verticalOverflowChanged);
47
48    if (horizontalOverflowChanged && verticalOverflowChanged)
49        m_orient = BOTH;
50    else if (horizontalOverflowChanged)
51        m_orient = HORIZONTAL;
52    else
53        m_orient = VERTICAL;
54}
55
56bool OverflowEvent::isOverflowEvent() const
57{
58    return true;
59}
60
61void OverflowEvent::initOverflowEvent(unsigned short orient, bool horizontalOverflow, bool verticalOverflow)
62{
63    if (dispatched())
64        return;
65
66    m_orient = orient;
67    m_horizontalOverflow = horizontalOverflow;
68    m_verticalOverflow = verticalOverflow;
69}
70
71}
72