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//
// VPNSettingsCellFactory.swift
// MullvadVPN
//
// Created by Jon Petersson on 2023-03-09.
// Copyright © 2025 Mullvad VPN AB. All rights reserved.
//
import MullvadSettings
import UIKit
protocol VPNSettingsCellEventHandler {
func showInfo(for button: VPNSettingsInfoButtonItem)
func showDetails(for button: VPNSettingsDetailsButtonItem)
func addCustomPort(_ port: UInt16)
func selectCustomPortEntry(_ port: UInt16) -> Bool
func selectObfuscationState(_ state: WireGuardObfuscationState)
func switchMultihop(_ state: MultihopState)
func setLocalNetworkSharing(_ enabled: Bool, onCancel: @escaping () -> Void)
func setIncludeAllNetworks(_ enabled: Bool, onCancel: @escaping () -> Void)
}
@MainActor
final class VPNSettingsCellFactory: @preconcurrency CellFactoryProtocol {
let tableView: UITableView
var viewModel: VPNSettingsViewModel
var delegate: VPNSettingsCellEventHandler?
var isEditing = false
init(tableView: UITableView, viewModel: VPNSettingsViewModel) {
self.tableView = tableView
self.viewModel = viewModel
}
func makeCell(for item: VPNSettingsDataSource.Item, indexPath: IndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCell(withIdentifier: item.reuseIdentifier.rawValue, for: indexPath)
configureCell(cell, item: item, indexPath: indexPath)
return cell
}
func configureCell(_ cell: UITableViewCell, item: VPNSettingsDataSource.Item, indexPath: IndexPath) {
(cell as? SettingsCell)?.detailTitleLabel.accessibilityIdentifier = nil
switch item {
case .includeAllNetworks:
guard let cell = cell as? SettingsSwitchCell else { return }
cell.action = { enable in
self.delegate?.setIncludeAllNetworks(enable) {
cell.setOn(self.viewModel.includeAllNetworks, animated: true)
}
}
cell.titleLabel.text = NSLocalizedString("Include all networks", comment: "")
cell.setAccessibilityIdentifier(item.accessibilityIdentifier)
cell.setOn(viewModel.includeAllNetworks, animated: true)
case .localNetworkSharing:
guard let cell = cell as? SettingsSwitchCell else { return }
cell.infoButtonHandler = { self.delegate?.showInfo(for: .localNetworkSharing) }
cell.action = { enable in
self.delegate?.setLocalNetworkSharing(enable) {
cell.setOn(self.viewModel.localNetworkSharing, animated: true)
}
}
cell.titleLabel.text = NSLocalizedString("Local network sharing", comment: "")
cell.setAccessibilityIdentifier(item.accessibilityIdentifier)
cell.setOn(viewModel.localNetworkSharing, animated: true)
cell.setSwitchEnabled(viewModel.includeAllNetworks)
case .dnsSettings:
guard let cell = cell as? SettingsCell else { return }
cell.titleLabel.text = NSLocalizedString("DNS settings", comment: "")
cell.disclosureType = .chevron
cell.setAccessibilityIdentifier(item.accessibilityIdentifier)
case .ipOverrides:
guard let cell = cell as? SettingsCell else { return }
cell.titleLabel.text = NSLocalizedString("Server IP override", comment: "")
cell.disclosureType = .chevron
cell.setAccessibilityIdentifier(item.accessibilityIdentifier)
case let .wireGuardPort(port):
guard let cell = cell as? SelectableSettingsCell else { return }
var portString = NSLocalizedString("Automatic", comment: "")
if let port {
portString = String(port)
}
cell.titleLabel.text = portString
cell.accessibilityIdentifier = "\(item.accessibilityIdentifier.asString)"
cell.applySubCellStyling()
case .wireGuardCustomPort:
guard let cell = cell as? SettingsInputCell else { return }
cell.titleLabel.text = NSLocalizedString("Custom", comment: "")
cell.textField.placeholder = NSLocalizedString("Port", comment: "")
cell.textField.setAccessibilityIdentifier(.customWireGuardPortTextField)
cell.setAccessibilityIdentifier(item.accessibilityIdentifier)
cell.applySubCellStyling()
cell.inputDidChange = { [weak self] text in
let port = UInt16(text) ?? UInt16()
cell.isValidInput = self?.delegate?.selectCustomPortEntry(port) ?? false
}
cell.inputWasConfirmed = { [weak self] text in
if let port = UInt16(text), cell.isValidInput {
self?.delegate?.addCustomPort(port)
}
}
if let port = viewModel.customWireGuardPort {
cell.textField.text = String(port)
// Only update validity if input is invalid. Otherwise the textcolor will be wrong
// (active text field color rather than the expected inactive color).
let isValidInput = delegate?.selectCustomPortEntry(port) ?? false
if !isValidInput {
cell.isValidInput = false
}
}
case .wireGuardObfuscationAutomatic:
guard let cell = cell as? SelectableSettingsCell else { return }
cell.titleLabel.text = NSLocalizedString("Automatic", comment: "")
cell.setAccessibilityIdentifier(item.accessibilityIdentifier)
cell.applySubCellStyling()
case .wireGuardObfuscationUdpOverTcp:
guard let cell = cell as? SelectableSettingsDetailsCell else { return }
cell.titleLabel.text = NSLocalizedString("UDP-over-TCP", comment: "")
cell.detailTitleLabel.text = String(
format: NSLocalizedString("Port: %@", comment: ""),
viewModel.obfuscationUpdOverTcpPort.description
)
cell.setAccessibilityIdentifier(item.accessibilityIdentifier)
cell.detailTitleLabel.setAccessibilityIdentifier(.wireGuardObfuscationUdpOverTcpPort)
cell.applySubCellStyling()
cell.buttonAction = { [weak self] in
self?.delegate?.showDetails(for: .udpOverTcp)
}
case .wireGuardObfuscationShadowsocks:
guard let cell = cell as? SelectableSettingsDetailsCell else { return }
cell.titleLabel.text = NSLocalizedString("Shadowsocks", comment: "")
cell.detailTitleLabel.text = String(
format: NSLocalizedString("Port: %@", comment: ""),
viewModel.obfuscationShadowsocksPort.description
)
cell.setAccessibilityIdentifier(item.accessibilityIdentifier)
cell.detailTitleLabel.setAccessibilityIdentifier(.wireGuardObfuscationShadowsocksPort)
cell.applySubCellStyling()
cell.buttonAction = { [weak self] in
self?.delegate?.showDetails(for: .wireguardOverShadowsocks)
}
case .wireGuardObfuscationQuic:
guard let cell = cell as? SelectableSettingsCell else { return }
cell.titleLabel.text = NSLocalizedString("QUIC", comment: "")
cell.setAccessibilityIdentifier(item.accessibilityIdentifier)
cell.detailTitleLabel.setAccessibilityIdentifier(.wireGuardObfuscationQuic)
cell.applySubCellStyling()
case .wireGuardObfuscationOff:
guard let cell = cell as? SelectableSettingsCell else { return }
cell.titleLabel.text = NSLocalizedString("Off", comment: "")
cell.setAccessibilityIdentifier(item.accessibilityIdentifier)
cell.applySubCellStyling()
case let .wireGuardObfuscationPort(port):
guard let cell = cell as? SelectableSettingsCell else { return }
let portString = port.description
cell.titleLabel.text = portString
cell.accessibilityIdentifier = "\(item.accessibilityIdentifier)\(portString)"
cell.applySubCellStyling()
case .quantumResistanceAutomatic:
guard let cell = cell as? SelectableSettingsCell else { return }
cell.titleLabel.text = NSLocalizedString("Automatic", comment: "")
cell.setAccessibilityIdentifier(item.accessibilityIdentifier)
cell.applySubCellStyling()
case .quantumResistanceOn:
guard let cell = cell as? SelectableSettingsCell else { return }
cell.titleLabel.text = NSLocalizedString("On", comment: "")
cell.setAccessibilityIdentifier(item.accessibilityIdentifier)
cell.applySubCellStyling()
case .quantumResistanceOff:
guard let cell = cell as? SelectableSettingsCell else { return }
cell.titleLabel.text = NSLocalizedString("Off", comment: "")
cell.setAccessibilityIdentifier(item.accessibilityIdentifier)
cell.applySubCellStyling()
}
}
}
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