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//
// PreferencesViewController.swift
// MullvadVPN
//
// Created by pronebird on 19/05/2021.
// Copyright © 2021 Mullvad VPN AB. All rights reserved.
//
import UIKit
import Logging
class PreferencesViewController: UITableViewController, PreferencesDataSourceDelegate, TunnelObserver {
private let logger = Logger(label: "PreferencesViewController")
private let dataSource = PreferencesDataSource()
override var preferredStatusBarStyle: UIStatusBarStyle {
return .lightContent
}
init() {
super.init(style: .grouped)
}
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
override func viewDidLoad() {
super.viewDidLoad()
tableView.backgroundColor = .secondaryColor
tableView.separatorColor = .secondaryColor
tableView.rowHeight = UITableView.automaticDimension
tableView.estimatedRowHeight = 60
dataSource.tableView = tableView
dataSource.delegate = self
navigationItem.title = NSLocalizedString("NAVIGATION_TITLE", tableName: "Preferences", comment: "Navigation title")
navigationItem.rightBarButtonItem = editButtonItem
TunnelManager.shared.addObserver(self)
if let dnsSettings = TunnelManager.shared.tunnelInfo?.tunnelSettings.interface.dnsSettings {
dataSource.update(from: dnsSettings)
}
}
override func setEditing(_ editing: Bool, animated: Bool) {
dataSource.setEditing(editing, animated: animated)
navigationItem.setHidesBackButton(editing, animated: animated)
if #available(iOS 13.0, *) {
// Disable swipe to dismiss when editing
isModalInPresentation = editing
} else {
// no-op
}
super.setEditing(editing, animated: animated)
}
// MARK: - PreferencesDataSourceDelegate
func preferencesDataSource(_ dataSource: PreferencesDataSource, didChangeViewModel dataModel: PreferencesViewModel) {
let dnsSettings = dataModel.asDNSSettings()
TunnelManager.shared.setDNSSettings(dnsSettings)
.onFailure { [weak self] error in
self?.logger.error(chainedError: error, message: "Failed to save DNS settings")
}
.observe { _ in }
}
// MARK: - TunnelObserver
func tunnelManager(_ manager: TunnelManager, didUpdateTunnelState tunnelState: TunnelState) {
// no-op
}
func tunnelManager(_ manager: TunnelManager, didFailWithError error: TunnelManager.Error) {
// no-op
}
func tunnelManager(_ manager: TunnelManager, didUpdateTunnelSettings tunnelInfo: TunnelInfo?) {
guard let dnsSettings = tunnelInfo?.tunnelSettings.interface.dnsSettings else { return }
dataSource.update(from: dnsSettings)
}
}
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