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
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
/*
* Copyright (C) 2014 Gurpreet Kaur (k.gurpreet@samsung.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 "MathMLMencloseElement.h"
#include "MathMLNames.h"
#include "RenderElement.h"
#include "RenderMathMLMenclose.h"
#include "RenderObject.h"
#include "TextRun.h"
#include <wtf/Ref.h>
#include <wtf/text/StringBuilder.h>
namespace WebCore {
MathMLMencloseElement::MathMLMencloseElement(const QualifiedName& tagName, Document& document)
: MathMLInlineContainerElement(tagName, document)
, m_isRadicalValue(false)
{
}
Ref<MathMLMencloseElement> MathMLMencloseElement::create(const QualifiedName& tagName, Document& document)
{
return adoptRef(*new MathMLMencloseElement(tagName, document));
}
RenderPtr<RenderElement> MathMLMencloseElement::createElementRenderer(Ref<RenderStyle>&& style, const RenderTreePosition&)
{
return createRenderer<RenderMathMLMenclose>(*this, WTFMove(style));
}
bool MathMLMencloseElement::isPresentationAttribute(const QualifiedName& name) const
{
if (name == MathMLNames::notationAttr)
return true;
return MathMLElement::isPresentationAttribute(name);
}
void MathMLMencloseElement::finishParsingChildren()
{
MathMLInlineContainerElement::finishParsingChildren();
// When notation value is a radical and menclose does not have any child
// then we add anonymous squareroot child to menclose so that square root
// symbol can be rendered.
if (m_isRadicalValue && !firstElementChild())
renderer()->addChild(nullptr, nullptr);
}
void MathMLMencloseElement::collectStyleForPresentationAttribute(const QualifiedName& name, const AtomicString& value, MutableStyleProperties& style)
{
String val = value;
if (val.isEmpty())
return;
if (name == MathMLNames::notationAttr) {
val.split(' ', m_notationValues);
size_t notationValueSize = m_notationValues.size();
for (size_t i = 0; i < notationValueSize; i++) {
if (m_notationValues[i] == "top" || m_notationValues[i] == "longdiv") {
if (m_notationValues[i] == "longdiv")
addPropertyToPresentationAttributeStyle(style, CSSPropertyPaddingLeft, longDivLeftPadding());
addPropertyToPresentationAttributeStyle(style, CSSPropertyBorderTopStyle, "solid");
addPropertyToPresentationAttributeStyle(style, CSSPropertyBorderTopWidth, "thin");
addPropertyToPresentationAttributeStyle(style, CSSPropertyPaddingTop, ".3ex");
} else if (m_notationValues[i] == "bottom") {
addPropertyToPresentationAttributeStyle(style, CSSPropertyBorderBottomStyle, "solid");
addPropertyToPresentationAttributeStyle(style, CSSPropertyBorderBottomWidth, "thin");
addPropertyToPresentationAttributeStyle(style, CSSPropertyPaddingBottom, ".3ex");
} else if (m_notationValues[i] == "left") {
addPropertyToPresentationAttributeStyle(style, CSSPropertyBorderLeftStyle, "solid");
addPropertyToPresentationAttributeStyle(style, CSSPropertyBorderLeftWidth, "thin");
addPropertyToPresentationAttributeStyle(style, CSSPropertyPaddingLeft, ".3ex");
} else if (m_notationValues[i] == "right") {
addPropertyToPresentationAttributeStyle(style, CSSPropertyBorderRightStyle, "solid");
addPropertyToPresentationAttributeStyle(style, CSSPropertyBorderRightWidth, "thin");
addPropertyToPresentationAttributeStyle(style, CSSPropertyPaddingRight, ".3ex");
} else if (m_notationValues[i] == "box" || m_notationValues[i] == "roundedbox") {
addPropertyToPresentationAttributeStyle(style, CSSPropertyBorderStyle, "solid");
addPropertyToPresentationAttributeStyle(style, CSSPropertyBorderWidth, "thin");
addPropertyToPresentationAttributeStyle(style, CSSPropertyPadding, ".3ex");
if (m_notationValues[i] == "roundedbox")
addPropertyToPresentationAttributeStyle(style, CSSPropertyBorderRadius, ASCIILiteral("5px"));
} else if (m_notationValues[i] == "actuarial" || m_notationValues[i] == "madruwb") {
addPropertyToPresentationAttributeStyle(style, CSSPropertyBorderRightStyle, "solid");
addPropertyToPresentationAttributeStyle(style, CSSPropertyBorderRightWidth, "thin");
addPropertyToPresentationAttributeStyle(style, CSSPropertyPaddingRight, ".3ex");
if (m_notationValues[i] == "actuarial") {
addPropertyToPresentationAttributeStyle(style, CSSPropertyBorderTopStyle, "solid");
addPropertyToPresentationAttributeStyle(style, CSSPropertyBorderTopWidth, "thin");
addPropertyToPresentationAttributeStyle(style, CSSPropertyPaddingTop, ".3ex");
} else if (m_notationValues[i] == "madruwb") {
addPropertyToPresentationAttributeStyle(style, CSSPropertyBorderBottomStyle, "solid");
addPropertyToPresentationAttributeStyle(style, CSSPropertyBorderBottomWidth, "thin");
addPropertyToPresentationAttributeStyle(style, CSSPropertyPaddingBottom, ".3ex");
}
} else if (m_notationValues[i] == "radical")
m_isRadicalValue = true;
}
} else
MathMLInlineContainerElement::collectStyleForPresentationAttribute(name, value, style);
}
String MathMLMencloseElement::longDivLeftPadding() const
{
StringBuilder padding;
String closingBrace(")", String::ConstructFromLiteral);
TextRun run(closingBrace);
Node* node = parentNode();
if (node && node->renderer()) {
const FontCascade& font = node->renderer()->style().fontCascade();
padding.appendNumber(font.width(run));
padding.appendLiteral("px");
}
return padding.toString();
}
}
#endif // ENABLE(MATHML)
|
