1/*
2 * Copyright (C) 2018 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. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "LayoutReplaced.h"
28
29#if ENABLE(LAYOUT_FORMATTING_CONTEXT)
30
31#include "LayoutBox.h"
32#include "RenderStyle.h"
33#include <wtf/IsoMallocInlines.h>
34
35namespace WebCore {
36namespace Layout {
37
38WTF_MAKE_ISO_ALLOCATED_IMPL(Replaced);
39
40Replaced::Replaced(const Box& layoutBox)
41 : m_layoutBox(makeWeakPtr(layoutBox))
42{
43}
44
45bool Replaced::hasIntrinsicWidth() const
46{
47 return m_intrinsicSize || m_layoutBox->style().logicalWidth().isIntrinsic();
48}
49
50bool Replaced::hasIntrinsicHeight() const
51{
52 return m_intrinsicSize || m_layoutBox->style().logicalHeight().isIntrinsic();
53}
54
55bool Replaced::hasIntrinsicRatio() const
56{
57 if (!hasAspectRatio())
58 return false;
59 return m_intrinsicSize || m_intrinsicRatio;
60}
61
62LayoutUnit Replaced::intrinsicWidth() const
63{
64 ASSERT(hasIntrinsicWidth());
65 if (m_intrinsicSize)
66 return m_intrinsicSize->width();
67 return m_layoutBox->style().logicalWidth().value();
68}
69
70LayoutUnit Replaced::intrinsicHeight() const
71{
72 ASSERT(hasIntrinsicHeight());
73 if (m_intrinsicSize)
74 return m_intrinsicSize->height();
75 return m_layoutBox->style().logicalHeight().value();
76}
77
78LayoutUnit Replaced::intrinsicRatio() const
79{
80 ASSERT(hasIntrinsicRatio() || (hasIntrinsicWidth() && hasIntrinsicHeight()));
81 if (m_intrinsicRatio)
82 return *m_intrinsicRatio;
83 if (m_intrinsicSize)
84 return m_intrinsicSize->width() / m_intrinsicSize->height();
85 return 1;
86}
87
88bool Replaced::hasAspectRatio() const
89{
90 return m_layoutBox->isImage() || m_layoutBox->style().aspectRatioType() == AspectRatioType::FromIntrinsic;
91}
92
93}
94}
95#endif
96