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 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
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 * in the documentation and/or other materials provided with the
 * distribution.
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 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
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#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_SVG_SVG_BOOLEAN_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_SVG_SVG_BOOLEAN_H_

#include "third_party/blink/renderer/core/svg/properties/svg_property.h"
#include "third_party/blink/renderer/core/svg/svg_parsing_error.h"
#include "third_party/blink/renderer/platform/heap/garbage_collected.h"
#include "third_party/blink/renderer/platform/wtf/casting.h"

namespace blink {

class SVGBoolean final : public SVGPropertyBase {
 public:
  // SVGBoolean does not have a tear-off type.
  typedef void TearOffType;
  typedef bool PrimitiveType;

  SVGBoolean(bool value = false) : value_(value) {}

  SVGBoolean* Clone() const { return MakeGarbageCollected<SVGBoolean>(value_); }

  String ValueAsString() const override;
  SVGParsingError SetValueAsString(const String&);

  void Add(const SVGPropertyBase*, const SVGElement*) override;
  void CalculateAnimatedValue(
      const SMILAnimationEffectParameters&,
      float percentage,
      unsigned repeat_count,
      const SVGPropertyBase* from,
      const SVGPropertyBase* to,
      const SVGPropertyBase* to_at_end_of_duration_value,
      const SVGElement*) override;
  float CalculateDistance(const SVGPropertyBase* to,
                          const SVGElement*) const override;

  bool Value() const { return value_; }
  void SetValue(bool value) { value_ = value; }

  static AnimatedPropertyType ClassType() { return kAnimatedBoolean; }
  AnimatedPropertyType GetType() const override { return ClassType(); }

 private:
  bool value_;
};

template <>
struct DowncastTraits<SVGBoolean> {
  static bool AllowFrom(const SVGPropertyBase& value) {
    return value.GetType() == SVGBoolean::ClassType();
  }
};

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_CORE_SVG_SVG_BOOLEAN_H_
