passepartout-apple/Passepartout-iOS/Scenes/AccountViewController.swift

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//
// AccountViewController.swift
// Passepartout-iOS
//
// Created by Davide De Rosa on 6/12/18.
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// Copyright (c) 2019 Davide De Rosa. All rights reserved.
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//
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// https://github.com/passepartoutvpn
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//
// This file is part of Passepartout.
//
// Passepartout is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Passepartout is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Passepartout. If not, see <http://www.gnu.org/licenses/>.
//
import UIKit
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import Passepartout_Core
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protocol AccountViewControllerDelegate: class {
func accountController(_: AccountViewController, didEnterCredentials credentials: Credentials)
func accountControllerDidComplete(_: AccountViewController)
}
class AccountViewController: UIViewController, TableModelHost {
@IBOutlet private weak var tableView: UITableView?
private weak var cellUsername: FieldTableViewCell?
private weak var cellPassword: FieldTableViewCell?
var currentCredentials: Credentials?
var usernamePlaceholder: String?
var infrastructureName: Infrastructure.Name? {
didSet {
guard let name = infrastructureName else {
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model.removeFooter(for: .credentials)
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return
}
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let V = L10n.Account.SuggestionFooter.self
var guidance: String?
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switch name {
case .pia:
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guidance = V.Infrastructure.pia
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case .tunnelBear:
guidance = V.Infrastructure.tunnelbear
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case .mullvad:
guidance = V.Infrastructure.mullvad
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}
if guidance != nil {
let footer: String
if let _ = referralURL {
footer = "\(guidance!)\n\n\(V.referral)"
} else {
footer = guidance!
}
model.setFooter(footer, for: .credentials)
tableView?.reloadData()
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}
}
}
var credentials: Credentials {
let username = cellUsername?.field.text ?? ""
let password = cellPassword?.field.text ?? ""
return Credentials(username, password).trimmed()
}
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private var referralURL: String? {
guard let name = infrastructureName else {
return nil
}
return AppConstants.URLs.referrals[name]
}
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weak var delegate: AccountViewControllerDelegate?
// MARK: TableModelHost
let model: TableModel<SectionType, RowType> = {
let model: TableModel<SectionType, RowType> = TableModel()
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model.add(.credentials)
model.set([.username, .password], in: .credentials)
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return model
}()
func reloadModel() {
}
// MARK: UIViewController
override func awakeFromNib() {
super.awakeFromNib()
applyDetailTitle(Theme.current)
}
override func viewDidLoad() {
super.viewDidLoad()
title = L10n.Service.Cells.Account.caption
cellUsername?.field.text = currentCredentials?.username
cellPassword?.field.text = currentCredentials?.password
}
override func viewDidAppear(_ animated: Bool) {
super.viewDidAppear(animated)
cellUsername?.field.becomeFirstResponder()
}
// MARK: Actions
private func commit() {
let newCredentials = credentials
// guard !credentials.isEmpty else {
// return
// }
currentCredentials = newCredentials
delegate?.accountController(self, didEnterCredentials: newCredentials)
}
@IBAction private func done() {
view.endEditing(true)
delegate?.accountControllerDidComplete(self)
}
@objc private func footerTapped() {
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guard let url = referralURL else {
return
}
UIApplication.shared.open(URL(string: url)!, options: [:], completionHandler: nil)
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}
}
// MARK: -
extension AccountViewController: UITableViewDataSource, UITableViewDelegate, FieldTableViewCellDelegate {
enum SectionType: Int {
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case credentials
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}
enum RowType: Int {
case username
case password
}
private static let footerButtonTag = 1000
func tableView(_ tableView: UITableView, titleForFooterInSection section: Int) -> String? {
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return model.footer(for: .credentials)
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}
func tableView(_ tableView: UITableView, willDisplayFooterView view: UIView, forSection section: Int) {
var optButton = view.viewWithTag(AccountViewController.footerButtonTag) as? UIButton
if optButton == nil {
let button = UIButton()
button.frame = view.bounds
view.addSubview(button)
optButton = button
}
optButton?.addTarget(self, action: #selector(footerTapped), for: .touchUpInside)
}
func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return model.count(for: section)
}
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let cell = Cells.field.dequeue(from: tableView, for: indexPath)
switch model.row(at: indexPath) {
case .username:
cellUsername = cell
cell.caption = L10n.Account.Cells.Username.caption
cell.field.placeholder = usernamePlaceholder ?? L10n.Account.Cells.Username.placeholder
cell.field.clearButtonMode = .always
cell.field.isSecureTextEntry = false
cell.field.text = currentCredentials?.username
cell.field.keyboardType = .emailAddress
cell.field.returnKeyType = .next
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cell.field.textContentType = .username
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case .password:
cellPassword = cell
cell.caption = L10n.Account.Cells.Password.caption
cell.field.placeholder = L10n.Account.Cells.Password.placeholder
cell.field.clearButtonMode = .always
cell.field.isSecureTextEntry = true
cell.field.text = currentCredentials?.password
cell.field.returnKeyType = .done
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cell.field.textContentType = .password
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}
cell.captionWidth = 120.0
cell.delegate = self
return cell
}
func fieldCellDidEdit(_: FieldTableViewCell) {
commit()
}
func fieldCellDidEnter(_ cell: FieldTableViewCell) {
switch cell {
case cellUsername:
cellPassword?.field.becomeFirstResponder()
case cellPassword:
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cellPassword?.field.resignFirstResponder()
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done()
default:
break
}
}
}