2 * Copyright (C) 2009 Alex Milowski (alex@milowski.com). All rights reserved.
3 * Copyright (C) 2010 Apple Inc. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
15 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
16 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
17 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
18 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
19 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
20 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 #include "MathMLTextElement.h"
33 #include "MathMLNames.h"
34 #include "RenderMathMLOperator.h"
35 #include "RenderMathMLSpace.h"
36 #include "RenderMathMLToken.h"
40 using namespace MathMLNames;
42 inline MathMLTextElement::MathMLTextElement(const QualifiedName& tagName, Document& document)
43 : MathMLElement(tagName, document)
45 setHasCustomStyleResolveCallbacks();
48 Ref<MathMLTextElement> MathMLTextElement::create(const QualifiedName& tagName, Document& document)
50 return adoptRef(*new MathMLTextElement(tagName, document));
53 void MathMLTextElement::didAttachRenderers()
55 MathMLElement::didAttachRenderers();
56 if (is<RenderMathMLToken>(renderer()))
57 downcast<RenderMathMLToken>(*renderer()).updateTokenContent();
60 void MathMLTextElement::childrenChanged(const ChildChange& change)
62 MathMLElement::childrenChanged(change);
63 if (is<RenderMathMLToken>(renderer()))
64 downcast<RenderMathMLToken>(*renderer()).updateTokenContent();
67 void MathMLTextElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
69 if (name == stretchyAttr || name == lspaceAttr || name == rspaceAttr) {
70 if (is<RenderMathMLOperator>(renderer()))
71 downcast<RenderMathMLOperator>(*renderer()).updateFromElement();
75 MathMLElement::parseAttribute(name, value);
78 RenderPtr<RenderElement> MathMLTextElement::createElementRenderer(RenderStyle&& style, const RenderTreePosition& insertionPosition)
80 if (hasTagName(MathMLNames::moTag))
81 return createRenderer<RenderMathMLOperator>(*this, WTFMove(style));
82 if (hasTagName(MathMLNames::mspaceTag))
83 return createRenderer<RenderMathMLSpace>(*this, WTFMove(style));
84 if (hasTagName(MathMLNames::annotationTag))
85 return MathMLElement::createElementRenderer(WTFMove(style), insertionPosition);
87 ASSERT(hasTagName(MathMLNames::miTag) || hasTagName(MathMLNames::mnTag) || hasTagName(MathMLNames::msTag) || hasTagName(MathMLNames::mtextTag));
89 return createRenderer<RenderMathMLToken>(*this, WTFMove(style));
92 bool MathMLTextElement::childShouldCreateRenderer(const Node& child) const
94 if (hasTagName(MathMLNames::mspaceTag))
97 if (hasTagName(MathMLNames::annotationTag))
98 return child.isTextNode();
100 // The HTML specification defines <mi>, <mo>, <mn>, <ms> and <mtext> as insertion points.
101 return isPhrasingContent(child) && StyledElement::childShouldCreateRenderer(child);
106 #endif // ENABLE(MATHML)