1/*
2 * Copyright (C) 2009 Alex Milowski (alex@milowski.com). All rights reserved.
3 * Copyright (C) 2010 François Sausset (sausset@gmail.com). All rights reserved.
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#ifndef RenderMathMLFraction_h
28#define RenderMathMLFraction_h
29
30#if ENABLE(MATHML)
31
32#include "MathMLInlineContainerElement.h"
33#include "RenderMathMLBlock.h"
34
35namespace WebCore {
36
37class RenderMathMLFraction final : public RenderMathMLBlock {
38public:
39    RenderMathMLFraction(MathMLInlineContainerElement&, PassRef<RenderStyle>);
40
41    MathMLInlineContainerElement& element() { return static_cast<MathMLInlineContainerElement&>(nodeForNonAnonymous()); }
42    float lineThickness() const { return m_lineThickness; }
43
44private:
45    virtual bool isRenderMathMLFraction() const override { return true; }
46    virtual const char* renderName() const override { return "RenderMathMLFraction"; }
47
48    virtual void addChild(RenderObject* child, RenderObject* beforeChild) override;
49    virtual void updateFromElement() override;
50    virtual int firstLineBaseline() const override;
51    virtual void paint(PaintInfo&, const LayoutPoint&) override;
52    virtual RenderMathMLOperator* unembellishedOperator() override;
53    virtual void layout() override;
54    virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) override;
55
56    void fixChildStyle(RenderObject*);
57
58    LayoutUnit m_lineThickness;
59};
60
61RENDER_OBJECT_TYPE_CASTS(RenderMathMLFraction, isRenderMathMLFraction())
62
63}
64
65#endif // ENABLE(MATHML)
66
67#endif // RenderMathMLFraction_h
68