Repo created

iphone/Maps/UI/BottomMenu/Presentation/BottomMenuPresentationController.swift

@@ -0,0 +1,36 @@
+final class BottomMenuPresentationController: UIPresentationController {
+  override func containerViewWillLayoutSubviews() {
+    super.containerViewWillLayoutSubviews()
+    (presentedViewController as? BottomMenuViewController)?.chromeView.frame = containerView!.bounds
+    presentedView?.frame = frameOfPresentedViewInContainerView
+  }
+  
+  override func presentationTransitionWillBegin() {
+    super.presentationTransitionWillBegin()
+    guard let presentedViewController = presentedViewController as? BottomMenuViewController,
+      let coordinator = presentedViewController.transitionCoordinator,
+      let containerView = containerView else { return }
+    
+    containerView.addSubview(presentedView!)
+    presentedViewController.containerView = containerView
+    presentedViewController.chromeView.frame = containerView.bounds
+    presentedViewController.chromeView.alpha = 0
+    
+    coordinator.animate(alongsideTransition: { _ in
+      presentedViewController.chromeView.alpha = 1
+    }, completion: nil)
+  }
+  
+  override func dismissalTransitionWillBegin() {
+    super.dismissalTransitionWillBegin()
+    guard let presentedViewController = presentedViewController as? BottomMenuViewController,
+      let coordinator = presentedViewController.transitionCoordinator,
+      let presentedView = presentedView else { return }
+    
+    coordinator.animate(alongsideTransition: { _ in
+      presentedViewController.chromeView.alpha = 0
+    }, completion: { _ in
+      presentedView.removeFromSuperview()
+    })
+  }
+}