Repo created

iphone/Maps/UI/DocumentPicker/DocumentPicker.swift

@@ -0,0 +1,25 @@
+typealias URLsCompletionHandler = ([URL]) -> Void
+
+final class DocumentPicker: NSObject {
+  static let shared = DocumentPicker()
+  private var completionHandler: URLsCompletionHandler?
+
+  func present(from rootViewController: UIViewController,
+               fileTypes: [FileType] = [.kml, .kmz, .gpx],
+               completionHandler: @escaping URLsCompletionHandler) {
+    self.completionHandler = completionHandler
+    let documentPickerViewController: UIDocumentPickerViewController
+    documentPickerViewController = UIDocumentPickerViewController(forOpeningContentTypes: fileTypes.map(\.utType), asCopy: true)
+    documentPickerViewController.delegate = self
+    // TODO: Enable multiple selection when the multiple files parsing support will be added to the bookmark_manager.
+    documentPickerViewController.allowsMultipleSelection = false
+    rootViewController.present(documentPickerViewController, animated: true)
+  }
+}
+
+// MARK: - UIDocumentPickerDelegate
+extension DocumentPicker: UIDocumentPickerDelegate {
+  func documentPicker(_ controller: UIDocumentPickerViewController, didPickDocumentsAt urls: [URL]) {
+    completionHandler?(urls)
+  }
+}

iphone/Maps/UI/DocumentPicker/FileType.swift

@@ -0,0 +1,22 @@
+import UniformTypeIdentifiers
+
+// TODO: (KK) Remove this type-wrapper and use custom UTTypeIdentifier that is registered into the Info.plist after updating to the iOS >= 14.0.
+struct FileType {
+  let fileExtension: String
+  let typeIdentifier: String
+}
+
+extension FileType {
+  static let kml = FileType(fileExtension: "kml", typeIdentifier: "com.google.earth.kml")
+  static let kmz = FileType(fileExtension: "kmz", typeIdentifier: "com.google.earth.kmz")
+  static let gpx = FileType(fileExtension: "gpx", typeIdentifier: "com.topografix.gpx")
+}
+
+// MARK: - FileType + UTType
+extension FileType {
+  @available(iOS 14.0, *)
+  var utType: UTType {
+    UTType(filenameExtension: fileExtension)!
+  }
+}
+