import Foundation
import QuartzCore

open class UIView: NSObject {
    public let layer: CALayer
    
    open var frame: CGRect {
        get {
            return self.layer.frame
        } set(value) {
            self.layer.frame = value
        }
    }
    
    open var bounds: CGRect {
        get {
            return self.layer.bounds
        } set(value) {
            self.layer.bounds = value
        }
    }
    
    open var center: CGPoint {
        get {
            return self.layer.position
        } set(value) {
            self.layer.position = value
        }
    }
    
    open var isHidden: Bool {
        get {
            return self.layer.isHidden
        } set(value) {
            self.layer.isHidden = value
        }
    }
    
    open class var layerClass: AnyClass {
        return CALayer.self
    }
    
    public init(frame: CGRect) {
        self.layer = CALayer()
        self.layer.frame = frame
        
        super.init()
    }
    
    convenience override init() {
        self.init(frame: CGRect())
    }
    
    static func animationDurationFactor() -> Double {
        return 1.0
    }
    
    public func bringSubview(toFront: UIView) {
        
    }
    
    public func addSubview(_ subview: UIView) {
        
    }
    
    public func removeFromSuperview() {
        
    }
    
    open func setNeedsLayout() {
    }
    
    open func layoutSubviews() {
    }
    
    open func setNeedsDisplay() {
    }
    
    open func snapshotView(afterScreenUpdates: Bool) -> UIView? {
        return nil
    }
}