1/*
2 * Copyright (C) 2011 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#pragma once
27
28#include "RenderOverflow.h"
29
30namespace WebCore {
31
32class RenderBoxFragmentInfo {
33 WTF_MAKE_FAST_ALLOCATED;
34 WTF_MAKE_NONCOPYABLE(RenderBoxFragmentInfo);
35public:
36 RenderBoxFragmentInfo(LayoutUnit logicalLeft, LayoutUnit logicalWidth, bool isShifted)
37 : m_logicalLeft(logicalLeft)
38 , m_logicalWidth(logicalWidth)
39 , m_isShifted(isShifted)
40 { }
41
42 LayoutUnit logicalLeft() const { return m_logicalLeft; }
43 LayoutUnit logicalWidth() const { return m_logicalWidth; }
44
45 void shiftLogicalLeft(LayoutUnit delta) { m_logicalLeft += delta; m_isShifted = true; }
46
47 bool isShifted() const { return m_isShifted; }
48
49 void createOverflow(const LayoutRect& layoutOverflow, const LayoutRect& visualOverflow) { m_overflow = adoptRef(new RenderOverflow(layoutOverflow, visualOverflow)); }
50 RenderOverflow* overflow() const { return m_overflow.get(); }
51 void clearOverflow()
52 {
53 if (m_overflow)
54 m_overflow = nullptr;
55 }
56
57private:
58 LayoutUnit m_logicalLeft;
59 LayoutUnit m_logicalWidth;
60 bool m_isShifted;
61 RefPtr<RenderOverflow> m_overflow;
62};
63
64} // namespace WebCore
65