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

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#ifndef SKY_ENGINE_CORE_ANIMATION_ANIMATABLE_ANIMATABLESHAPEVALUE_H_
#define SKY_ENGINE_CORE_ANIMATION_ANIMATABLE_ANIMATABLESHAPEVALUE_H_

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

namespace blink {

class AnimatableShapeValue final : public AnimatableValue {
public:
    virtual ~AnimatableShapeValue() { }
    static PassRefPtr<AnimatableShapeValue> create(ShapeValue* shape)
    {
        return adoptRef(new AnimatableShapeValue(shape));
    }
    ShapeValue* shapeValue() const { return m_shape.get(); }

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

private:
    AnimatableShapeValue(ShapeValue* shape)
        : m_shape(shape)
    {
        ASSERT(m_shape);
    }
    virtual AnimatableType type() const override { return TypeShapeValue; }
    virtual bool equalTo(const AnimatableValue*) const override;

    RefPtr<ShapeValue> m_shape;
};

DEFINE_ANIMATABLE_VALUE_TYPE_CASTS(AnimatableShapeValue, isShapeValue());

} // namespace blink

#endif  // SKY_ENGINE_CORE_ANIMATION_ANIMATABLE_ANIMATABLESHAPEVALUE_H_