sky/engine/core/animation/animatable/AnimatableShadow.h

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#ifndef SKY_ENGINE_CORE_ANIMATION_ANIMATABLE_ANIMATABLESHADOW_H_
#define SKY_ENGINE_CORE_ANIMATION_ANIMATABLE_ANIMATABLESHADOW_H_

#include "sky/engine/core/animation/animatable/AnimatableValue.h"
#include "sky/engine/core/rendering/style/ShadowList.h"

namespace blink {

class AnimatableShadow final : public AnimatableValue {
public:
    virtual ~AnimatableShadow() { }
    static PassRefPtr<AnimatableShadow> create(PassRefPtr<ShadowList> shadowList)
    {
        return adoptRef(new AnimatableShadow(shadowList));
    }
    ShadowList* shadowList() const { return m_shadowList.get(); }

protected:
    virtual PassRefPtr<AnimatableValue> interpolateTo(const AnimatableValue*, double fraction) const override;

private:
    explicit AnimatableShadow(PassRefPtr<ShadowList> shadowList)
        : m_shadowList(shadowList)
    {
    }
    virtual AnimatableType type() const override { return TypeShadow; }
    virtual bool equalTo(const AnimatableValue*) const override;

    const RefPtr<ShadowList> m_shadowList;
};

DEFINE_ANIMATABLE_VALUE_TYPE_CASTS(AnimatableShadow, isShadow());

} // namespace blink

#endif  // SKY_ENGINE_CORE_ANIMATION_ANIMATABLE_ANIMATABLESHADOW_H_