Repo created

iphone/Maps/Classes/Components/Modal/DimmedModalPresentationController.swift

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+class DimmedModalPresentationController: UIPresentationController {
+  private lazy var onTapGr: UITapGestureRecognizer = {
+    return UITapGestureRecognizer(target: self, action: #selector(onTap))
+  }()
+
+  private lazy var dimView: UIView = {
+    let view = UIView()
+    view.setStyle(.blackStatusBarBackground)
+    if isCancellable {
+      view.addGestureRecognizer(onTapGr)
+    }
+    return view
+  }()
+
+  let isCancellable: Bool
+
+  required init(presentedViewController: UIViewController, presenting presentingViewController: UIViewController?, cancellable: Bool = true) {
+    isCancellable = cancellable
+    super.init(presentedViewController: presentedViewController, presenting: presentingViewController)
+  }
+
+  @objc private func onTap() {
+    presentingViewController.dismiss(animated: true, completion: nil)
+  }
+
+  override func presentationTransitionWillBegin() {
+    guard let containerView = containerView else { return }
+    containerView.addSubview(dimView)
+    dimView.frame = containerView.bounds
+    dimView.autoresizingMask = [.flexibleWidth, .flexibleHeight]
+    dimView.alpha = 0
+    presentingViewController.transitionCoordinator?.animate(alongsideTransition: { _ in
+      self.dimView.alpha = 1
+    })
+  }
+
+  override func presentationTransitionDidEnd(_ completed: Bool) {
+    if !completed { dimView.removeFromSuperview() }
+  }
+
+  override func dismissalTransitionWillBegin() {
+    presentingViewController.transitionCoordinator?.animate(alongsideTransition: { _ in
+      self.dimView.alpha = 0
+    })
+  }
+
+  override func dismissalTransitionDidEnd(_ completed: Bool) {
+    if completed { dimView.removeFromSuperview() }
+  }
+}