// // PoppableGestureRecognizerDelegate.swift // NetNewsWire-iOS // // Created by Maurice Parker on 11/18/19. // Copyright © 2019 Ranchero Software. All rights reserved. // // https://stackoverflow.com/a/41248703 import UIKit final class PoppableGestureRecognizerDelegate: NSObject, UIGestureRecognizerDelegate { weak var navigationController: UINavigationController? func gestureRecognizerShouldBegin(_ gestureRecognizer: UIGestureRecognizer) -> Bool { return navigationController?.viewControllers.count ?? 0 > 1 } func gestureRecognizer(_ gestureRecognizer: UIGestureRecognizer, shouldRecognizeSimultaneouslyWith otherGestureRecognizer: UIGestureRecognizer) -> Bool { return navigationController?.viewControllers.count ?? 0 > 2 } }