// // Copyright (c) 2019 Open Whisper Systems. All rights reserved. // import Foundation @objc public class OWSLayerView: UIView { @objc public var layoutCallback: ((UIView) -> Void) @objc public init() { self.layoutCallback = { (_) in } super.init(frame: .zero) } @objc public init(frame: CGRect, layoutCallback : @escaping (UIView) -> Void) { self.layoutCallback = layoutCallback super.init(frame: frame) } public required init?(coder aDecoder: NSCoder) { self.layoutCallback = { _ in } super.init(coder: aDecoder) } public override var bounds: CGRect { didSet { layoutCallback(self) } } public override var frame: CGRect { didSet { layoutCallback(self) } } public override var center: CGPoint { didSet { layoutCallback(self) } } }