chromium/src/third_party/blink/renderer/core/svg/svg_animated_color.h

/*
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#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_SVG_SVG_ANIMATED_COLOR_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_SVG_SVG_ANIMATED_COLOR_H_

#include "third_party/blink/renderer/core/css/style_color.h"
#include "third_party/blink/renderer/core/svg/properties/svg_property.h"
#include "third_party/blink/renderer/platform/wtf/casting.h"

namespace blink {

// StyleColor adaptor to SVGPropertyBase. This is only used for SMIL animations.
// FIXME: WebAnimations: Replacable with AnimatableColor once SMIL animations
// are implemented in WebAnimations.
class SVGColorProperty final : public SVGPropertyBase {
 public:
  explicit SVGColorProperty(const String&);

  SVGPropertyBase* CloneForAnimation(const String&) const override;
  String ValueAsString() const override;

  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;

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

 private:
  StyleColor style_color_;
};

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

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_CORE_SVG_SVG_ANIMATED_COLOR_H_