Rewrite AutoFill extension

passAutoFillExtension/Controllers/PasswordsViewController.swift

@@ -0,0 +1,73 @@
+//
+//  PasswordsViewController.swift
+//  passAutoFillExtension
+//
+//  Created by Sun, Mingshen on 12/31/20.
+//  Copyright © 2020 Bob Sun. All rights reserved.
+//
+
+import UIKit
+import AuthenticationServices
+import passKit
+
+class PasswordsViewController: UIViewController {
+    @IBOutlet var tableView: UITableView!
+
+    var dataSource: PasswordsTableDataSource!
+    weak var selectionDelegate: PasswordSelectionDelegate?
+
+    var searchController: UISearchController {
+        let uiSearchController = UISearchController(searchResultsController: nil)
+        uiSearchController.searchBar.isTranslucent = true
+        uiSearchController.obscuresBackgroundDuringPresentation = false
+        uiSearchController.searchBar.sizeToFit()
+        if #available(iOS 13.0, *) {
+            uiSearchController.searchBar.searchTextField.clearButtonMode = .whileEditing
+        }
+        return uiSearchController
+    }
+
+    override func viewDidLoad() {
+        super.viewDidLoad()
+
+        navigationItem.searchController = searchController
+        navigationItem.hidesSearchBarWhenScrolling = false
+
+        searchController.searchBar.delegate = self
+
+        tableView.delegate = self
+        tableView.dataSource = dataSource
+    }
+
+    @IBAction
+    private func cancel(_: AnyObject?) {
+        self.extensionContext?.cancelRequest(withError: NSError(domain: ASExtensionErrorDomain, code: ASExtensionError.userCanceled.rawValue))
+        self.dismiss(animated: true)
+    }
+}
+
+extension PasswordsViewController: UISearchBarDelegate {
+    func searchBar(_: UISearchBar, textDidChange searchText: String) {
+        dataSource.showTableEntries(matching: searchText)
+        tableView.reloadData()
+    }
+
+    func searchBarSearchButtonClicked(_ searchBar: UISearchBar) {
+        searchBar.resignFirstResponder()
+    }
+
+    func searchBarCancelButtonClicked(_: UISearchBar) {
+        dataSource.showTableEntries(matching: "")
+        tableView.reloadData()
+    }
+}
+
+extension PasswordsViewController: UITableViewDelegate {
+    func tableView(_: UITableView, didSelectRowAt indexPath: IndexPath) {
+        tableView.deselectRow(at: indexPath, animated: true)
+        let entry = dataSource.filteredPasswordsTableEntries[indexPath.row]
+
+        UIImpactFeedbackGenerator(style: .medium).impactOccurred()
+        self.selectionDelegate?.selected(password: entry)
+    }
+}