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 * modification, are permitted provided that the following conditions are
 * met:
 *
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 * in the documentation and/or other materials provided with the
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#ifndef SKY_ENGINE_CORE_CSS_CSSTOLENGTHCONVERSIONDATA_H_
#define SKY_ENGINE_CORE_CSS_CSSTOLENGTHCONVERSIONDATA_H_

#include "sky/engine/wtf/Assertions.h"
#include "sky/engine/wtf/Noncopyable.h"

namespace blink {

class RenderStyle;
class RenderView;

class CSSToLengthConversionData {
public:
    CSSToLengthConversionData(const RenderStyle* currStyle, const RenderStyle* rootStyle, const RenderView*, bool computingFontSize = false);

    const RenderStyle& style() const { return *m_style; }
    const RenderStyle* rootStyle() const { return m_rootStyle; }
    bool computingFontSize() const { return m_computingFontSize; }

    // Accessing these marks the style as having viewport units
    double viewportWidthPercent() const;
    double viewportHeightPercent() const;
    double viewportMinPercent() const;
    double viewportMaxPercent() const;

    void setStyle(const RenderStyle* style) { m_style = style; }
    void setRootStyle(const RenderStyle* rootStyle) { m_rootStyle = rootStyle; }

private:
    const RenderStyle* m_style;
    const RenderStyle* m_rootStyle;
    float m_viewportWidth;
    float m_viewportHeight;
    bool m_computingFontSize;
};

} // namespace blink

#endif  // SKY_ENGINE_CORE_CSS_CSSTOLENGTHCONVERSIONDATA_H_