Fix actionSheet position for iPad

Demo/Strada/MenuComponent.swift

@@ -6,47 +6,58 @@ import UIKit
 /// which will send the selected index of the tapped menu item back to the web.
 final class MenuComponent: BridgeComponent {
  override class var name: String { "menu" }
- 
+
  override func onReceive(message: Message) {
  guard let event = Event(rawValue: message.event) else {
  return
  }
- 
+
  switch event {
  case .display:
  handleDisplayEvent(message: message)
  }
  }
- 
+
  // MARK: Private
- 
+
  private var viewController: UIViewController? {
  delegate.destination as? UIViewController
  }
- 
+
  private func handleDisplayEvent(message: Message) {
  guard let data: MessageData = message.data() else { return }
  showAlertSheet(with: data.title, items: data.items)
  }
- 
+
  private func showAlertSheet(with title: String, items: [Item]) {
  let alertController = UIAlertController(title: title,
  message: nil,
  preferredStyle: .actionSheet)
- 
+
  for item in items {
  let action = UIAlertAction(title: item.title, style: .default) {[weak self] _ in
  self?.onItemSelected(item: item)
  }
  alertController.addAction(action)
  }
- 
+
  let cancelAction = UIAlertAction(title: "Cancel", style: .cancel)
  alertController.addAction(cancelAction)
-
+
+ // Set popoverController for iPads
+ if let popoverController = alertController.popoverPresentationController {
+ if let barButtonItem = viewController?.navigationItem.rightBarButtonItem {
+ popoverController.barButtonItem = barButtonItem
+ } else {
+ popoverController.sourceView = viewController?.view
+ popoverController.sourceRect = viewController?.view.bounds ?? .zero
+ popoverController.permittedArrowDirections = []
+ }
+ }
+
  viewController?.present(alertController, animated: true)
  }
- 
+
  private func onItemSelected(item: Item) {
  reply(to: Event.display.rawValue,
  with: SelectionMessageData(selectedIndex: item.index))
@@ -68,12 +79,12 @@ private extension MenuComponent {
  let title: String
  let items: [Item]
  }
- 
+
  struct Item: Decodable {
  let title: String
  let index: Int
  }
- 
+
  struct SelectionMessageData: Encodable {
  let selectedIndex:Int
  }