Tunnels list: Show a busy indicator before the tunnels are loaded
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c6df88c893
commit
4bb45397f1
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@ -4,40 +4,66 @@
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import UIKit
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import MobileCoreServices
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class TunnelsListTableViewController: UITableViewController {
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class TunnelsListTableViewController: UIViewController {
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var tunnelsManager: TunnelsManager? = nil
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var onTunnelsManagerReady: ((TunnelsManager) -> Void)? = nil
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init() {
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super.init(style: .plain)
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}
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required init?(coder aDecoder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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var busyIndicator: UIActivityIndicatorView? = nil
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var tableView: UITableView? = nil
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override func viewDidLoad() {
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super.viewDidLoad()
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view.backgroundColor = UIColor.white
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// Set up the navigation bar
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self.title = "WireGuard"
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let addButtonItem = UIBarButtonItem(barButtonSystemItem: .add, target: self, action: #selector(addButtonTapped(sender:)))
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self.navigationItem.rightBarButtonItem = addButtonItem
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let settingsButtonItem = UIBarButtonItem(title: "Settings", style: .plain, target: self, action: #selector(settingsButtonTapped(sender:)))
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self.navigationItem.leftBarButtonItem = settingsButtonItem
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self.tableView.rowHeight = 60
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// Set up the busy indicator
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let busyIndicator = UIActivityIndicatorView(activityIndicatorStyle: .gray)
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busyIndicator.hidesWhenStopped = true
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self.tableView.register(TunnelsListTableViewCell.self, forCellReuseIdentifier: TunnelsListTableViewCell.id)
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// Add the busyIndicator, centered
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view.addSubview(busyIndicator)
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busyIndicator.translatesAutoresizingMaskIntoConstraints = false
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NSLayoutConstraint.activate([
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busyIndicator.centerXAnchor.constraint(equalTo: view.centerXAnchor),
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busyIndicator.centerYAnchor.constraint(equalTo: view.centerYAnchor)
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])
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busyIndicator.startAnimating()
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self.busyIndicator = busyIndicator
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// Create the tunnels manager, and when it's ready, create the tableView
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TunnelsManager.create { [weak self] tunnelsManager in
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guard let tunnelsManager = tunnelsManager else { return }
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if let s = self {
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guard let s = self else { return }
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let tableView = UITableView(frame: CGRect.zero, style: .plain)
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tableView.rowHeight = 60
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tableView.register(TunnelsListTableViewCell.self, forCellReuseIdentifier: TunnelsListTableViewCell.id)
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s.view.addSubview(tableView)
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tableView.translatesAutoresizingMaskIntoConstraints = false
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NSLayoutConstraint.activate([
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tableView.leftAnchor.constraint(equalTo: s.view.leftAnchor),
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tableView.rightAnchor.constraint(equalTo: s.view.rightAnchor),
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tableView.topAnchor.constraint(equalTo: s.view.topAnchor),
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tableView.bottomAnchor.constraint(equalTo: s.view.bottomAnchor)
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])
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tableView.dataSource = s
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tableView.delegate = s
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s.tableView = tableView
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busyIndicator.stopAnimating()
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tunnelsManager.delegate = s
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s.tunnelsManager = tunnelsManager
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s.onTunnelsManagerReady?(tunnelsManager)
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s.onTunnelsManagerReady = nil
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s.tableView.reloadData()
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}
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}
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}
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@ -238,16 +264,16 @@ extension TunnelsListTableViewController: QRScanViewControllerDelegate {
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// MARK: UITableViewDataSource
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extension TunnelsListTableViewController {
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override func numberOfSections(in tableView: UITableView) -> Int {
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extension TunnelsListTableViewController: UITableViewDataSource {
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func numberOfSections(in tableView: UITableView) -> Int {
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return 1
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}
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override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
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func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
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return (tunnelsManager?.numberOfTunnels() ?? 0)
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}
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override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
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func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
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let cell = tableView.dequeueReusableCell(withIdentifier: TunnelsListTableViewCell.id, for: indexPath) as! TunnelsListTableViewCell
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if let tunnelsManager = tunnelsManager {
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let tunnel = tunnelsManager.tunnel(at: indexPath.row)
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@ -276,8 +302,8 @@ extension TunnelsListTableViewController {
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// MARK: UITableViewDelegate
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extension TunnelsListTableViewController {
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override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
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extension TunnelsListTableViewController: UITableViewDelegate {
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func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
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guard let tunnelsManager = tunnelsManager else { return }
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let tunnel = tunnelsManager.tunnel(at: indexPath.row)
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let tunnelDetailVC = TunnelDetailTableViewController(tunnelsManager: tunnelsManager,
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@ -286,7 +312,7 @@ extension TunnelsListTableViewController {
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showDetailViewController(tunnelDetailNC, sender: self) // Shall get propagated up to the split-vc
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}
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override func tableView(_ tableView: UITableView,
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func tableView(_ tableView: UITableView,
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trailingSwipeActionsConfigurationForRowAt indexPath: IndexPath) -> UISwipeActionsConfiguration? {
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let deleteAction = UIContextualAction(style: .destructive, title: "Delete", handler: { [weak self] (_, _, completionHandler) in
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guard let tunnelsManager = self?.tunnelsManager else { return }
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@ -308,19 +334,19 @@ extension TunnelsListTableViewController {
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extension TunnelsListTableViewController: TunnelsManagerDelegate {
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func tunnelAdded(at index: Int) {
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tableView.insertRows(at: [IndexPath(row: index, section: 0)], with: .automatic)
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tableView?.insertRows(at: [IndexPath(row: index, section: 0)], with: .automatic)
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}
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func tunnelModified(at index: Int) {
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tableView.reloadRows(at: [IndexPath(row: index, section: 0)], with: .automatic)
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tableView?.reloadRows(at: [IndexPath(row: index, section: 0)], with: .automatic)
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}
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func tunnelMoved(at oldIndex: Int, to newIndex: Int) {
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tableView.moveRow(at: IndexPath(row: oldIndex, section: 0), to: IndexPath(row: newIndex, section: 0))
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tableView?.moveRow(at: IndexPath(row: oldIndex, section: 0), to: IndexPath(row: newIndex, section: 0))
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}
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func tunnelRemoved(at index: Int) {
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tableView.deleteRows(at: [IndexPath(row: index, section: 0)], with: .automatic)
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tableView?.deleteRows(at: [IndexPath(row: index, section: 0)], with: .automatic)
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}
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}
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