/*
 * Copyright (C) 2016 Igalia S.L. 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.
 */

#pragma once

#if ENABLE(MATHML)

#include "MathMLElement.h"
#include <wtf/RefCounted.h>

namespace WebCore {

class MathMLStyle: public RefCounted<MathMLStyle> {
public:
    MathMLStyle() { }
    static Ref<MathMLStyle> create();

    bool displayStyle() const { return m_displayStyle; }
    void setDisplayStyle(bool displayStyle) { m_displayStyle = displayStyle; }

    MathMLElement::MathVariant mathVariant() const { return m_mathVariant; }
    void setMathVariant(MathMLElement::MathVariant mathvariant) { m_mathVariant = mathvariant; }

    void resolveMathMLStyle(RenderObject*);
    static void resolveMathMLStyleTree(RenderObject*);

private:
    bool isDisplayStyleAlwaysFalse(RenderObject*);
    const MathMLStyle* getMathMLStyle(RenderObject* renderer);
    RenderObject* getMathMLParentNode(RenderObject*);
    void updateStyleIfNeeded(RenderObject*, bool, MathMLElement::MathVariant);

    bool m_displayStyle { false };
    MathMLElement::MathVariant m_mathVariant { MathMLElement::MathVariant::None };
};

}

#endif // ENABLE(MATHML)