/*
 * Copyright (C) 2009 Alex Milowski (alex@milowski.com). All rights reserved.
 * Copyright (C) 2010 François Sausset (sausset@gmail.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.
 */

#ifndef RenderMathMLFraction_h
#define RenderMathMLFraction_h

#if ENABLE(MATHML)

#include "MathMLInlineContainerElement.h"
#include "RenderMathMLBlock.h"

namespace WebCore {

class RenderMathMLFraction final : public RenderMathMLBlock {
public:
    RenderMathMLFraction(MathMLInlineContainerElement&, Ref<RenderStyle>&&);

    MathMLInlineContainerElement& element() { return static_cast<MathMLInlineContainerElement&>(nodeForNonAnonymous()); }
    float lineThickness() const { return m_lineThickness; }

private:
    virtual bool isRenderMathMLFraction() const override { return true; }
    virtual const char* renderName() const override { return "RenderMathMLFraction"; }

    virtual void addChild(RenderObject* child, RenderObject* beforeChild) override;
    virtual void updateFromElement() override;
    virtual Optional<int> firstLineBaseline() const override;
    virtual void paint(PaintInfo&, const LayoutPoint&) override;
    virtual RenderMathMLOperator* unembellishedOperator() override;
    virtual void layout() override;
    virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) override;

    void fixChildStyle(RenderObject*);
    
    LayoutUnit m_lineThickness;
};

} // namespace WebCore

SPECIALIZE_TYPE_TRAITS_RENDER_OBJECT(RenderMathMLFraction, isRenderMathMLFraction())

#endif // ENABLE(MATHML)

#endif // RenderMathMLFraction_h