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//
// Copyright © 2018 WireGuard LLC. All rights reserved.
//
import UIKit
import PromiseKit
enum GoVersionError: Error {
case noDelegate
}
protocol SettingsTableViewControllerDelegate: class {
func exportTunnels(settingsTableViewController: SettingsTableViewController, sourceView: UIView)
func goVersionInformation() -> Promise<String>
}
class SettingsTableViewController: UITableViewController {
weak var delegate: SettingsTableViewControllerDelegate?
@IBOutlet weak var versionInfoCell: UITableViewCell!
@IBOutlet weak var goVersionInfoCell: UITableViewCell!
@IBOutlet weak var exportCell: UITableViewCell!
@IBOutlet weak var versionInfoLabel: UILabel!
@IBOutlet weak var goVersionInfoLabel: UILabel!
override func viewDidLoad() {
super.viewDidLoad()
versionInfoLabel.text = versionInformation
_ = firstly { () -> Promise<String> in
self.goVersionInfoLabel.text = NSLocalizedString("Loading...", comment: "")
return goVersionInformation()
}.then { (goVersion: String) -> Guarantee<Void> in
if let label = self.goVersionInfoLabel {
label.text = goVersion
}
return Guarantee.value(())
}.recover({ (_) in
self.goVersionInfoLabel.text = NSLocalizedString("Unknown", comment: "")
})
}
override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
if let cell = tableView.cellForRow(at: indexPath) {
switch cell {
case versionInfoCell, goVersionInfoCell:
UIPasteboard.general.string = ["WireGuard for iOS:", versionInformation, "Go userspace backend:", goVersionInfoLabel.text ?? ""].joined(separator: "\n")
showCopyConfirmation()
case exportCell:
delegate?.exportTunnels(settingsTableViewController: self, sourceView: exportCell)
default:
()
}
tableView.deselectRow(at: indexPath, animated: true)
}
}
var versionInformation: String {
var versionElements: [String] = []
if let appBuildNumber = Bundle.main.infoDictionary!["CFBundleVersion"] as? String, let appVersion = Bundle.main.infoDictionary!["CFBundleShortVersionString"] as? String {
versionElements.append(appVersion)
versionElements.append("(\(appBuildNumber))")
}
return versionElements.joined(separator: " ")
}
func goVersionInformation() -> Promise<String> {
return self.delegate?.goVersionInformation() ?? Promise(error: GoVersionError.noDelegate)
}
private func showCopyConfirmation() {
let confirmationAlertController = UIAlertController(title: NSLocalizedString("Copied version information", comment: ""), message: UIPasteboard.general.string, preferredStyle: .alert)
confirmationAlertController.addAction(UIAlertAction(title: NSLocalizedString("Ok", comment: "Generic OK button"), style: .default, handler: nil))
present(confirmationAlertController, animated: true, completion: nil)
}
}
extension SettingsTableViewController: Identifyable {}
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