/* Copyright 2003-2007 ROBLOX Corporation, All Rights Reserved */
#pragma once

#include "V8Tree/Instance.h"
#include "V8DataModel/Pose.h"

namespace RBX {

	extern const char *const sKeyframe;

	class Keyframe
		: public DescribedCreatable<Keyframe, Instance, sKeyframe>
	{
	private:
		typedef DescribedCreatable<Keyframe, Instance, sKeyframe> Super;

	protected:
		float time;
	public:
		Keyframe();
		
		float getTime() const { return time; }
		void setTime(float value);

		shared_ptr<const Instances> getPoses();
		void addPose(shared_ptr<Instance>);
		void removePose(shared_ptr<Instance>);

		void invalidate();
	protected:

		/*override*/ bool askAddChild(const Instance* instance) const 
		{ 
			return Instance::fastDynamicCast<Pose>(instance) != NULL; 
		}
		/*override*/ void onChildAdded(Instance* child)
		{
			invalidate();
		}
		/*override*/ void onChildRemoved(Instance* child)
		{
			invalidate();
		}
		/*override*/ void verifySetAncestor(const Instance* const newParent, const Instance* const instanceGettingNewParent) const;
	};

} // namespace