Repo created

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

@@ -0,0 +1,39 @@
+final class CoverVerticalModalTransitioning: NSObject, UIViewControllerTransitioningDelegate {
+  private var height: CGFloat
+  init(presentationHeight: CGFloat) {
+    height = presentationHeight
+  }
+
+  func animationController(forPresented presented: UIViewController,
+                           presenting: UIViewController,
+                           source: UIViewController) -> UIViewControllerAnimatedTransitioning? {
+    return CoverVerticalPresentationAnimator()
+  }
+
+  func animationController(forDismissed dismissed: UIViewController) -> UIViewControllerAnimatedTransitioning? {
+    return CoverVerticalDismissalAnimator()
+  }
+
+  func presentationController(forPresented presented: UIViewController,
+                              presenting: UIViewController?,
+                              source: UIViewController) -> UIPresentationController? {
+    return PresentationController(presentedViewController: presented, presenting: presenting, presentationHeight: height)
+  }
+}
+
+fileprivate final class PresentationController: DimmedModalPresentationController {
+  private var height: CGFloat
+  init(presentedViewController: UIViewController, presenting presentingViewController: UIViewController?, presentationHeight: CGFloat) {
+    height = presentationHeight
+    super.init(presentedViewController: presentedViewController, presenting: presentingViewController)
+  }
+  
+  required init(presentedViewController: UIViewController, presenting presentingViewController: UIViewController?, cancellable: Bool = true) {
+    fatalError("init(presentedViewController:presenting:cancellable:) has not been implemented")
+  }
+  
+  override var frameOfPresentedViewInContainerView: CGRect {
+    let f = super.frameOfPresentedViewInContainerView
+    return CGRect(x: 0, y: f.height - height, width: f.width, height: height)
+  }
+}