403 lines
15 KiB
Swift
403 lines
15 KiB
Swift
/*
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Copyright 2019-2024 New Vector Ltd.
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SPDX-License-Identifier: AGPL-3.0-only
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Please see LICENSE in the repository root for full details.
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*/
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import UIKit
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final class KeyBackupSetupPassphraseViewController: UIViewController {
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// MARK: - Constants
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private enum Constants {
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static let animationDuration: TimeInterval = 0.3
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}
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// MARK: - Properties
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// MARK: Outlets
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@IBOutlet private weak var scrollView: UIScrollView!
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@IBOutlet private weak var titleLabel: UILabel!
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@IBOutlet private weak var informationLabel: UILabel!
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@IBOutlet private weak var formBackgroundView: UIView!
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@IBOutlet private weak var passphraseTitleLabel: UILabel!
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@IBOutlet private weak var passphraseTextField: UITextField!
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@IBOutlet private weak var passphraseAdditionalInfoView: UIView!
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@IBOutlet private weak var passphraseStrengthView: PasswordStrengthView!
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@IBOutlet private weak var passphraseAdditionalLabel: UILabel!
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@IBOutlet private weak var formSeparatorView: UIView!
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@IBOutlet private weak var confirmPassphraseTitleLabel: UILabel!
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@IBOutlet private weak var confirmPassphraseTextField: UITextField!
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@IBOutlet private weak var confirmPassphraseAdditionalInfoView: UIView!
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@IBOutlet private weak var confirmPassphraseAdditionalLabel: UILabel!
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@IBOutlet private weak var setPassphraseButtonBackgroundView: UIView!
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@IBOutlet private weak var setPassphraseButton: UIButton!
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@IBOutlet private weak var setUpRecoveryKeyInfoLabel: UILabel!
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@IBOutlet private weak var setUpRecoveryKeyButton: UIButton!
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// MARK: Private
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private var isFirstViewAppearing: Bool = true
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private var isPassphraseTextFieldEditedOnce: Bool = false
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private var isConfirmPassphraseTextFieldEditedOnce: Bool = false
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private var keyboardAvoider: KeyboardAvoider?
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private var viewModel: KeyBackupSetupPassphraseViewModelType!
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private var theme: Theme!
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private var errorPresenter: MXKErrorPresentation!
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private var activityPresenter: ActivityIndicatorPresenter!
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private weak var skipAlertController: UIAlertController?
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// MARK: - Setup
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class func instantiate(with viewModel: KeyBackupSetupPassphraseViewModelType) -> KeyBackupSetupPassphraseViewController {
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let viewController = StoryboardScene.KeyBackupSetupPassphraseViewController.initialScene.instantiate()
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viewController.viewModel = viewModel
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viewController.theme = ThemeService.shared().theme
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return viewController
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}
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// MARK: - Life cycle
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override func viewDidLoad() {
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super.viewDidLoad()
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// Do any additional setup after loading the view.
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self.title = VectorL10n.keyBackupSetupTitle
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self.vc_removeBackTitle()
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self.setupViews()
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self.keyboardAvoider = KeyboardAvoider(scrollViewContainerView: self.view, scrollView: self.scrollView)
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self.activityPresenter = ActivityIndicatorPresenter()
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self.errorPresenter = MXKErrorAlertPresentation()
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self.registerThemeServiceDidChangeThemeNotification()
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self.update(theme: self.theme)
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self.viewModel.viewDelegate = self
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}
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override func viewWillAppear(_ animated: Bool) {
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super.viewWillAppear(animated)
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self.keyboardAvoider?.startAvoiding()
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}
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override func viewDidAppear(_ animated: Bool) {
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super.viewDidAppear(animated)
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if self.isFirstViewAppearing {
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self.isFirstViewAppearing = false
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}
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}
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override func viewDidDisappear(_ animated: Bool) {
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super.viewDidDisappear(animated)
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self.view.endEditing(true)
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self.keyboardAvoider?.stopAvoiding()
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}
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override func viewDidLayoutSubviews() {
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super.viewDidLayoutSubviews()
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if self.isFirstViewAppearing {
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// Workaround to layout passphraseStrengthView corner radius
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self.passphraseStrengthView.setNeedsLayout()
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}
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}
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override var preferredStatusBarStyle: UIStatusBarStyle {
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return self.theme.statusBarStyle
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}
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// MARK: - Private
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private func update(theme: Theme) {
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self.theme = theme
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self.view.backgroundColor = theme.headerBackgroundColor
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if let navigationBar = self.navigationController?.navigationBar {
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theme.applyStyle(onNavigationBar: navigationBar)
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}
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self.titleLabel.textColor = theme.textPrimaryColor
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self.informationLabel.textColor = theme.textPrimaryColor
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self.formBackgroundView.backgroundColor = theme.backgroundColor
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self.passphraseTitleLabel.textColor = theme.textPrimaryColor
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theme.applyStyle(onTextField: self.passphraseTextField)
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self.passphraseTextField.attributedPlaceholder = NSAttributedString(string: VectorL10n.keyBackupSetupPassphrasePassphrasePlaceholder,
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attributes: [.foregroundColor: theme.placeholderTextColor])
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self.updatePassphraseAdditionalLabel()
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self.formSeparatorView.backgroundColor = theme.lineBreakColor
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self.confirmPassphraseTitleLabel.textColor = theme.textPrimaryColor
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theme.applyStyle(onTextField: self.confirmPassphraseTextField)
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self.confirmPassphraseTextField.attributedPlaceholder = NSAttributedString(string: VectorL10n.keyBackupSetupPassphraseConfirmPassphraseTitle,
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attributes: [.foregroundColor: theme.placeholderTextColor])
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self.updateConfirmPassphraseAdditionalLabel()
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self.setPassphraseButton.backgroundColor = theme.backgroundColor
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theme.applyStyle(onButton: self.setPassphraseButton)
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self.setUpRecoveryKeyInfoLabel.textColor = theme.textPrimaryColor
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theme.applyStyle(onButton: self.setUpRecoveryKeyButton)
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}
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private func registerThemeServiceDidChangeThemeNotification() {
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NotificationCenter.default.addObserver(self, selector: #selector(themeDidChange), name: .themeServiceDidChangeTheme, object: nil)
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}
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@objc private func themeDidChange() {
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self.update(theme: ThemeService.shared().theme)
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}
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private func setupViews() {
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let cancelBarButtonItem = MXKBarButtonItem(title: VectorL10n.cancel, style: .plain) { [weak self] in
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self?.cancelButtonAction()
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}
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self.navigationItem.rightBarButtonItem = cancelBarButtonItem
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self.scrollView.keyboardDismissMode = .interactive
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self.titleLabel.text = VectorL10n.keyBackupSetupPassphraseTitle
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self.informationLabel.text = VectorL10n.keyBackupSetupPassphraseInfo
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self.passphraseTitleLabel.text = VectorL10n.keyBackupSetupPassphrasePassphraseTitle
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self.passphraseTextField.addTarget(self, action: #selector(textFieldDidChange(_:)), for: .editingChanged)
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self.passphraseStrengthView.strength = self.viewModel.passphraseStrength
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self.passphraseAdditionalInfoView.isHidden = true
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self.confirmPassphraseTitleLabel.text = VectorL10n.keyBackupSetupPassphraseConfirmPassphraseTitle
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self.confirmPassphraseTextField.addTarget(self, action: #selector(textFieldDidChange(_:)), for: .editingChanged)
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self.confirmPassphraseAdditionalInfoView.isHidden = true
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self.setPassphraseButton.vc_enableMultiLinesTitle()
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self.setPassphraseButton.setTitle(VectorL10n.keyBackupSetupPassphraseSetPassphraseAction, for: .normal)
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self.updateSetPassphraseButton()
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}
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private func showPassphraseAdditionalInfo(animated: Bool) {
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guard self.passphraseAdditionalInfoView.isHidden else {
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return
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}
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UIView.animate(withDuration: Constants.animationDuration) {
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self.passphraseAdditionalInfoView.isHidden = false
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}
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}
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private func showConfirmPassphraseAdditionalInfo(animated: Bool) {
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guard self.confirmPassphraseAdditionalInfoView.isHidden else {
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return
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}
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UIView.animate(withDuration: Constants.animationDuration) {
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self.confirmPassphraseAdditionalInfoView.isHidden = false
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}
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}
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private func hideConfirmPassphraseAdditionalInfo(animated: Bool) {
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guard self.confirmPassphraseAdditionalInfoView.isHidden == false else {
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return
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}
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UIView.animate(withDuration: Constants.animationDuration) {
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self.confirmPassphraseAdditionalInfoView.isHidden = true
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}
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}
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private func updatePassphraseStrengthView() {
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self.passphraseStrengthView.strength = self.viewModel.passphraseStrength
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}
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private func updatePassphraseAdditionalLabel() {
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let text: String
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let textColor: UIColor
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if self.viewModel.isPassphraseValid {
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text = VectorL10n.keyBackupSetupPassphrasePassphraseValid
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textColor = self.theme.tintColor
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} else {
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text = VectorL10n.keyBackupSetupPassphrasePassphraseInvalid
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textColor = self.theme.noticeColor
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}
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self.passphraseAdditionalLabel.text = text
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self.passphraseAdditionalLabel.textColor = textColor
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}
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private func updateConfirmPassphraseAdditionalLabel() {
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let text: String
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let textColor: UIColor
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if self.viewModel.isConfirmPassphraseValid {
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text = VectorL10n.keyBackupSetupPassphraseConfirmPassphraseValid
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textColor = self.theme.tintColor
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} else {
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text = VectorL10n.keyBackupSetupPassphraseConfirmPassphraseInvalid
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textColor = self.theme.noticeColor
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}
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self.confirmPassphraseAdditionalLabel.text = text
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self.confirmPassphraseAdditionalLabel.textColor = textColor
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}
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private func updateSetPassphraseButton() {
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self.setPassphraseButton.isEnabled = self.viewModel.isFormValid
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}
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private func render(viewState: KeyBackupSetupPassphraseViewState) {
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switch viewState {
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case .loading:
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self.renderLoading()
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case .loaded:
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self.renderLoaded()
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case .error(let error):
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self.render(error: error)
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}
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}
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private func renderLoading() {
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self.view.endEditing(true)
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self.activityPresenter.presentActivityIndicator(on: self.view, animated: true)
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}
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private func renderLoaded() {
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self.activityPresenter.removeCurrentActivityIndicator(animated: true)
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}
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private func render(error: Error) {
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self.activityPresenter.removeCurrentActivityIndicator(animated: true)
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self.hideSkipAlert(animated: false)
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self.errorPresenter.presentError(from: self, forError: error, animated: true, handler: nil)
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}
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private func showSkipAlert() {
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guard self.skipAlertController == nil else {
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return
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}
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let alertController = UIAlertController(title: VectorL10n.keyBackupSetupSkipAlertTitle,
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message: VectorL10n.keyBackupSetupSkipAlertMessage,
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preferredStyle: .alert)
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alertController.addAction(UIAlertAction(title: VectorL10n.continue, style: .cancel, handler: { action in
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self.viewModel.process(viewAction: .skipAlertContinue)
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}))
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alertController.addAction(UIAlertAction(title: VectorL10n.keyBackupSetupSkipAlertSkipAction, style: .default, handler: { action in
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self.viewModel.process(viewAction: .skipAlertSkip)
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}))
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self.present(alertController, animated: true, completion: nil)
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self.skipAlertController = alertController
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}
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private func hideSkipAlert(animated: Bool) {
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self.skipAlertController?.dismiss(animated: true, completion: nil)
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}
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// MARK: - Actions
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@IBAction private func passphraseVisibilityButtonAction(_ sender: Any) {
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guard self.isPassphraseTextFieldEditedOnce else {
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return
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}
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self.passphraseTextField.isSecureTextEntry = !self.passphraseTextField.isSecureTextEntry
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// TODO: Use this when project will be migrated to Swift 4.2
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// self.passphraseTextField.isSecureTextEntry.toggle()
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}
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@objc private func textFieldDidChange(_ textField: UITextField) {
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if textField == self.passphraseTextField {
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self.viewModel.passphrase = textField.text
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self.updatePassphraseAdditionalLabel()
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self.updatePassphraseStrengthView()
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// Show passphrase additional info at first character entered
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if self.isPassphraseTextFieldEditedOnce == false && textField.text?.isEmpty == false {
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self.isPassphraseTextFieldEditedOnce = true
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self.showPassphraseAdditionalInfo(animated: true)
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}
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} else {
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self.viewModel.confirmPassphrase = textField.text
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}
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// Show confirm passphrase additional info if needed
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self.updateConfirmPassphraseAdditionalLabel()
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if self.viewModel.confirmPassphrase?.isEmpty == false && self.viewModel.isPassphraseValid {
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self.showConfirmPassphraseAdditionalInfo(animated: true)
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} else {
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self.hideConfirmPassphraseAdditionalInfo(animated: true)
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}
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// Enable validate button if form is valid
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self.updateSetPassphraseButton()
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}
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@IBAction private func setPassphraseButtonAction(_ sender: Any) {
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self.viewModel.process(viewAction: .setupPassphrase)
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}
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@IBAction private func setUpRecoveryKeyButtonAction(_ sender: Any) {
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self.viewModel.process(viewAction: .setupRecoveryKey)
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}
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private func cancelButtonAction() {
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self.viewModel.process(viewAction: .skip)
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}
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}
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// MARK: - UITextFieldDelegate
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extension KeyBackupSetupPassphraseViewController: UITextFieldDelegate {
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func textFieldShouldClear(_ textField: UITextField) -> Bool {
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self.textFieldDidChange(textField)
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return true
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}
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func textFieldShouldReturn(_ textField: UITextField) -> Bool {
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if textField == self.passphraseTextField {
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self.confirmPassphraseTextField.becomeFirstResponder()
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} else {
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textField.resignFirstResponder()
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}
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return true
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}
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}
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// MARK: - KeyBackupSetupPassphraseViewModelViewDelegate
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extension KeyBackupSetupPassphraseViewController: KeyBackupSetupPassphraseViewModelViewDelegate {
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func keyBackupSetupPassphraseViewModel(_ viewModel: KeyBackupSetupPassphraseViewModelType, didUpdateViewState viewSate: KeyBackupSetupPassphraseViewState) {
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self.render(viewState: viewSate)
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}
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func keyBackupSetupPassphraseViewModelShowSkipAlert(_ viewModel: KeyBackupSetupPassphraseViewModelType) {
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self.showSkipAlert()
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}
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}
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