Repo created

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

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+final class PromoBookingPresentationController: DimmedModalPresentationController {
+  let sideMargin: CGFloat = 32.0
+  let maxWidth: CGFloat = 310.0
+  
+  override var frameOfPresentedViewInContainerView: CGRect {
+    let f = super.frameOfPresentedViewInContainerView
+    let estimatedWidth = min(maxWidth, f.width - (sideMargin * 2.0))
+    let s = presentedViewController.view.systemLayoutSizeFitting(CGSize(width: estimatedWidth, height: f.height), withHorizontalFittingPriority: .required, verticalFittingPriority: .defaultLow)
+    let r = CGRect(x: (f.width - s.width) / 2, y: (f.height - s.height) / 2, width: s.width, height: s.height)
+    return r
+  }
+  
+  override func containerViewWillLayoutSubviews() {
+    presentedView?.frame = frameOfPresentedViewInContainerView
+  }
+  
+  override func presentationTransitionWillBegin() {
+    super.presentationTransitionWillBegin()
+    presentedViewController.view.layer.setCornerRadius(.buttonDefault)
+    presentedViewController.view.clipsToBounds = true
+    guard let containerView = containerView, let presentedView = presentedView else { return } 
+    containerView.addSubview(presentedView)
+    presentedView.frame = frameOfPresentedViewInContainerView
+  }
+  
+  override func dismissalTransitionDidEnd(_ completed: Bool) {
+    super.presentationTransitionDidEnd(completed)
+    guard let presentedView = presentedView else { return }
+    if completed {
+      presentedView.removeFromSuperview()
+    }
+  }
+}