Source/core/animation/AnimatableLengthPoint.h

/*
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#ifndef AnimatableLengthPoint_h
#define AnimatableLengthPoint_h

#include "core/animation/AnimatableValue.h"

namespace WebCore {

class AnimatableLengthPoint : public AnimatableValue {
public:
    virtual ~AnimatableLengthPoint() { }
    static PassRefPtr<AnimatableLengthPoint> create(PassRefPtr<AnimatableValue> x, PassRefPtr<AnimatableValue> y)
    {
        return adoptRef(new AnimatableLengthPoint(x, y));
    }
    const AnimatableValue* x() const { return m_x.get(); }
    const AnimatableValue* y() const { return m_y.get(); }

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

private:
    AnimatableLengthPoint(PassRefPtr<AnimatableValue> x, PassRefPtr<AnimatableValue> y)
        : m_x(x)
        , m_y(y)
    {
    }
    virtual AnimatableType type() const OVERRIDE { return TypeLengthPoint; }
    virtual bool equalTo(const AnimatableValue*) const OVERRIDE;

    RefPtr<AnimatableValue> m_x;
    RefPtr<AnimatableValue> m_y;
};

inline const AnimatableLengthPoint* toAnimatableLengthPoint(const AnimatableValue* value)
{
    ASSERT_WITH_SECURITY_IMPLICATION(value && value->isLengthPoint());
    return static_cast<const AnimatableLengthPoint*>(value);
}

} // namespace WebCore

#endif // AnimatableLengthPoint_h