1/*
2 * Copyright (C) 2016 Igalia S.L. 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 THE COPYRIGHT HOLDERS AND CONTRIBUTORS
14 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
15 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
16 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
17 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
18 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
19 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY 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#if ENABLE(MATHML)
29
30#include "MathMLPresentationElement.h"
31
32namespace WebCore {
33
34class MathMLFractionElement final : public MathMLPresentationElement {
35 WTF_MAKE_ISO_ALLOCATED(MathMLFractionElement);
36public:
37 static Ref<MathMLFractionElement> create(const QualifiedName& tagName, Document&);
38 const Length& lineThickness();
39 enum FractionAlignment {
40 FractionAlignmentCenter,
41 FractionAlignmentLeft,
42 FractionAlignmentRight
43 };
44 FractionAlignment numeratorAlignment();
45 FractionAlignment denominatorAlignment();
46
47private:
48 MathMLFractionElement(const QualifiedName& tagName, Document&);
49 RenderPtr<RenderElement> createElementRenderer(RenderStyle&&, const RenderTreePosition&) final;
50 void parseAttribute(const QualifiedName&, const AtomicString&) final;
51
52 FractionAlignment cachedFractionAlignment(const QualifiedName&, Optional<FractionAlignment>&);
53
54 Optional<Length> m_lineThickness;
55 Optional<FractionAlignment> m_numeratorAlignment;
56 Optional<FractionAlignment> m_denominatorAlignment;
57};
58
59}
60
61#endif // ENABLE(MATHML)
62