1/*
2 * Copyright (C) 2010 Alex Milowski (alex@milowski.com). All rights reserved.
3 * Copyright (C) 2016 Igalia S.L.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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.
13 *
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.
25 */
26
27#pragma once
28
29#if ENABLE(MATHML)
30
31#include "RenderMathMLBlock.h"
32
33namespace WebCore {
34
35class MathMLRowElement;
36
37class RenderMathMLRow : public RenderMathMLBlock {
38 WTF_MAKE_ISO_ALLOCATED(RenderMathMLRow);
39public:
40 RenderMathMLRow(MathMLRowElement&, RenderStyle&&);
41 MathMLRowElement& element() const;
42
43protected:
44 void layoutBlock(bool relayoutChildren, LayoutUnit pageLogicalHeight = 0_lu) override;
45 Optional<int> firstLineBaseline() const override;
46
47 void stretchVerticalOperatorsAndLayoutChildren();
48 void getContentBoundingBox(LayoutUnit& width, LayoutUnit& ascent, LayoutUnit& descent) const;
49 void layoutRowItems(LayoutUnit width, LayoutUnit ascent);
50 void computePreferredLogicalWidths() override;
51
52private:
53 bool isRenderMathMLRow() const final { return true; }
54 const char* renderName() const override { return "RenderMathMLRow"; }
55};
56
57} // namespace WebCore
58
59SPECIALIZE_TYPE_TRAITS_RENDER_OBJECT(RenderMathMLRow, isRenderMathMLRow())
60
61#endif // ENABLE(MATHML)
62