1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
/*
* Copyright (C) 2010 Alex Milowski (alex@milowski.com). All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#if ENABLE(MATHML)
#include "RenderMathMLRow.h"
#include "MathMLNames.h"
#include "RenderIterator.h"
#include "RenderMathMLOperator.h"
#include "RenderMathMLRoot.h"
namespace WebCore {
using namespace MathMLNames;
RenderMathMLRow::RenderMathMLRow(Element& element, PassRef<RenderStyle> style)
: RenderMathMLBlock(element, std::move(style))
{
}
RenderMathMLRow::RenderMathMLRow(Document& document, PassRef<RenderStyle> style)
: RenderMathMLBlock(document, std::move(style))
{
}
RenderPtr<RenderMathMLRow> RenderMathMLRow::createAnonymousWithParentRenderer(RenderMathMLRoot& parent)
{
RenderPtr<RenderMathMLRow> newMRow = createRenderer<RenderMathMLRow>(parent.document(), RenderStyle::createAnonymousStyleWithDisplay(&parent.style(), FLEX));
newMRow->initializeStyle();
return newMRow;
}
void RenderMathMLRow::layout()
{
int stretchLogicalHeight = 0;
for (RenderObject* child = firstChild(); child; child = child->nextSibling()) {
if (child->needsLayout())
toRenderElement(child)->layout();
// FIXME: Only skip renderMo if it is stretchy.
if (child->isRenderMathMLBlock() && toRenderMathMLBlock(child)->unembellishedOperator())
continue;
if (child->isBox())
stretchLogicalHeight = std::max<int>(stretchLogicalHeight, roundToInt(toRenderBox(child)->logicalHeight()));
}
if (!stretchLogicalHeight)
stretchLogicalHeight = style().fontSize();
// Set the sizes of (possibly embellished) stretchy operator children.
for (auto& child : childrenOfType<RenderMathMLBlock>(*this)) {
if (auto renderMo = child.unembellishedOperator()) {
if (renderMo->stretchHeight() != stretchLogicalHeight)
renderMo->stretchToHeight(stretchLogicalHeight);
}
}
RenderMathMLBlock::layout();
}
}
#endif // ENABLE(MATHML)
|
