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//
// LocationViewController.swift
// MullvadVPN
//
// Created by pronebird on 02/05/2019.
// Copyright © 2025 Mullvad VPN AB. All rights reserved.
//
import MullvadREST
import MullvadSettings
import MullvadTypes
import UIKit
protocol LocationViewControllerDelegate: AnyObject {
func navigateToCustomLists(nodes: [LocationNode])
func navigateToDaitaSettings()
func didSelectRelays(relays: UserSelectedRelays)
func didUpdateFilter(filter: RelayFilter)
}
final class LocationViewController: UIViewController {
private let searchBar = UISearchBar()
private let tableView = UITableView(frame: .zero, style: .grouped)
private let topContentView = UIStackView()
private let filterView = RelayFilterView()
private var daitaInfoView: UIView?
private var dataSource: LocationDataSource?
private var relaysWithLocation: LocationRelays?
private var filter = RelayFilter()
private var selectedRelays: RelaySelection
private var shouldFilterDaita: Bool
private var shouldFilterObfuscation: Bool
weak var delegate: LocationViewControllerDelegate?
var customListRepository: CustomListRepositoryProtocol
override var preferredStatusBarStyle: UIStatusBarStyle {
.lightContent
}
init(
customListRepository: CustomListRepositoryProtocol,
selectedRelays: RelaySelection,
shouldFilterDaita: Bool,
shouldFilterObfuscation: Bool
) {
self.customListRepository = customListRepository
self.selectedRelays = selectedRelays
self.shouldFilterDaita = shouldFilterDaita
self.shouldFilterObfuscation = shouldFilterObfuscation
super.init(nibName: nil, bundle: nil)
}
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
// MARK: - View lifecycle
override func viewDidLoad() {
super.viewDidLoad()
view.setAccessibilityIdentifier(.selectLocationView)
view.backgroundColor = .secondaryColor
setUpDataSource()
setUpTableView()
setUpTopContent()
view.addConstrainedSubviews([topContentView, tableView]) {
topContentView.pinEdgesToSuperviewMargins(.all().excluding(.bottom))
tableView.pinEdgesToSuperview(.all().excluding(.top))
tableView.topAnchor.constraint(equalTo: topContentView.bottomAnchor, constant: 8)
}
}
override func viewDidAppear(_ animated: Bool) {
super.viewDidAppear(animated)
tableView.flashScrollIndicators()
}
// MARK: - Public
func setRelaysWithLocation(_ relaysWithLocation: LocationRelays, filter: RelayFilter) {
self.relaysWithLocation = relaysWithLocation
self.filter = filter
filterView.setFilter(filter)
dataSource?.setRelays(relaysWithLocation, selectedRelays: selectedRelays)
}
func setDaitaChip(_ isEnabled: Bool) {
self.shouldFilterDaita = isEnabled
filterView.setDaita(isEnabled)
}
func setObfuscationChip(_ isEnabled: Bool) {
self.shouldFilterObfuscation = isEnabled
filterView.setObfuscation(isEnabled)
}
func refreshCustomLists() {
dataSource?.refreshCustomLists()
}
func setSelectedRelays(_ selectedRelays: RelaySelection) {
self.selectedRelays = selectedRelays
dataSource?.setSelectedRelays(selectedRelays)
}
func toggleDaitaAutomaticRouting(isEnabled: Bool) {
guard isEnabled else {
daitaInfoView?.removeFromSuperview()
daitaInfoView = nil
searchBar.searchTextField.isEnabled = true
UITextField.SearchTextFieldAppearance.inactive.apply(to: searchBar)
return
}
guard daitaInfoView == nil else { return }
let daitaInfoView = DAITAInfoView()
self.daitaInfoView = daitaInfoView
daitaInfoView.didPressDaitaSettingsButton = { [weak self] in
self?.delegate?.navigateToDaitaSettings()
}
view.addConstrainedSubviews([daitaInfoView]) {
daitaInfoView.pinEdgesToSuperview(.all().excluding(.top))
daitaInfoView.topAnchor.constraint(equalTo: tableView.topAnchor)
}
searchBar.searchTextField.isEnabled = false
}
// MARK: - Private
private func setUpDataSource() {
dataSource = LocationDataSource(
tableView: tableView,
allLocations: AllLocationDataSource(),
customLists: CustomListsDataSource(repository: customListRepository)
)
dataSource?.didSelectRelayLocations = { [weak self] relays in
Task { @MainActor in
self?.delegate?.didSelectRelays(relays: relays)
}
}
dataSource?.didTapEditCustomLists = { [weak self] in
guard let self else { return }
Task { @MainActor in
if let relaysWithLocation {
let allLocationDataSource = AllLocationDataSource()
allLocationDataSource.reload(relaysWithLocation)
delegate?.navigateToCustomLists(nodes: allLocationDataSource.nodes)
}
}
}
if let relaysWithLocation {
dataSource?.setRelays(relaysWithLocation, selectedRelays: selectedRelays)
}
}
private func setUpTableView() {
tableView.backgroundColor = view.backgroundColor
tableView.separatorColor = .secondaryColor
tableView.separatorInset = .zero
tableView.estimatedRowHeight = UIMetrics.TableView.rowHeight
tableView.rowHeight = UITableView.automaticDimension
tableView.estimatedSectionHeaderHeight = UIMetrics.TableView.rowHeight
tableView.sectionHeaderHeight = UITableView.automaticDimension
tableView.estimatedSectionFooterHeight = UIMetrics.TableView.rowHeight
tableView.sectionFooterHeight = UITableView.automaticDimension
tableView.indicatorStyle = .white
tableView.keyboardDismissMode = .onDrag
tableView.setAccessibilityIdentifier(.selectLocationTableView)
tableView.register(
LocationSectionHeaderFooterView.self,
forHeaderFooterViewReuseIdentifier: LocationSectionHeaderFooterView.reuseIdentifier
)
}
private func setUpTopContent() {
topContentView.axis = .vertical
topContentView.addArrangedSubview(filterView)
topContentView.addArrangedSubview(searchBar)
filterView.setDaita(shouldFilterDaita)
filterView.setObfuscation(shouldFilterObfuscation)
filterView.didUpdateFilter = { [weak self] in
self?.delegate?.didUpdateFilter(filter: $0)
}
setUpSearchBar()
}
private func setUpSearchBar() {
searchBar.delegate = self
searchBar.searchBarStyle = .minimal
searchBar.layer.cornerRadius = 8
searchBar.clipsToBounds = true
searchBar.placeholder = NSLocalizedString("Search for...", comment: "")
searchBar.searchTextField.setAccessibilityIdentifier(.selectLocationSearchTextField)
UITextField.SearchTextFieldAppearance.inactive.apply(to: searchBar)
}
}
extension LocationViewController: UISearchBarDelegate {
func searchBar(_ searchBar: UISearchBar, textDidChange searchText: String) {
dataSource?.filterRelays(by: searchText)
}
func searchBarTextDidBeginEditing(_ searchBar: UISearchBar) {
UITextField.SearchTextFieldAppearance.active.apply(to: searchBar)
}
func searchBarTextDidEndEditing(_ searchBar: UISearchBar) {
UITextField.SearchTextFieldAppearance.inactive.apply(to: searchBar)
}
}
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