328 lines
12 KiB
Swift
328 lines
12 KiB
Swift
// File created from ScreenTemplate
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// $ createScreen.sh Test SecretsSetupRecoveryPassphrase
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/*
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Copyright 2020 New Vector Ltd
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import UIKit
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final class SecretsSetupRecoveryPassphraseViewController: 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 securePassphraseImageView: UIImageView!
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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 passphraseVisibilityButton: UIButton!
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@IBOutlet private weak var passphraseAdditionalInfoView: UIView!
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@IBOutlet private weak var passphraseStrengthContainerView: 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 additionalInformationLabel: UILabel!
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@IBOutlet private weak var validateButton: RoundedButton!
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// MARK: Private
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private var viewModel: SecretsSetupRecoveryPassphraseViewModelType!
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private var cancellable: Bool!
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private var theme: Theme!
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private var keyboardAvoider: KeyboardAvoider?
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private var errorPresenter: MXKErrorPresentation!
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private var activityPresenter: ActivityIndicatorPresenter!
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private var isFirstViewAppearing: Bool = true
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private var isPassphraseTextFieldEditedOnce: Bool = false
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private var currentViewData: SecretsSetupRecoveryPassphraseViewData?
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// MARK: - Setup
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class func instantiate(with viewModel: SecretsSetupRecoveryPassphraseViewModelType, cancellable: Bool) -> SecretsSetupRecoveryPassphraseViewController {
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let viewController = StoryboardScene.SecretsSetupRecoveryPassphraseViewController.initialScene.instantiate()
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viewController.viewModel = viewModel
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viewController.cancellable = cancellable
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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.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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self.viewModel.process(viewAction: .loadData)
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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 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 setupViews() {
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if self.cancellable {
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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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}
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self.vc_removeBackTitle()
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self.title = VectorL10n.secretsSetupRecoveryPassphraseTitle
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self.scrollView.keyboardDismissMode = .interactive
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self.securePassphraseImageView.image = Asset.Images.secretsSetupPassphrase.image.withRenderingMode(.alwaysTemplate)
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self.passphraseTextField.addTarget(self, action: #selector(textFieldDidChange(_:)), for: .editingChanged)
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self.passphraseAdditionalInfoView.isHidden = true
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let visibilityImage = Asset.Images.revealPasswordButton.image.withRenderingMode(.alwaysTemplate)
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self.passphraseVisibilityButton.setImage(visibilityImage, for: .normal)
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self.additionalInformationLabel.text = VectorL10n.secretsSetupRecoveryPassphraseAdditionalInformation
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self.validateButton.setTitle(VectorL10n.continue, for: .normal)
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}
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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.securePassphraseImageView.tintColor = 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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let passphraseTitle: String
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if let viewData = self.currentViewData, case .confimPassphrase = viewData.mode {
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passphraseTitle = VectorL10n.secretsSetupRecoveryPassphraseConfirmPassphrasePlaceholder
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} else {
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passphraseTitle = VectorL10n.keyBackupSetupPassphrasePassphrasePlaceholder
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}
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self.passphraseTextField.attributedPlaceholder = NSAttributedString(string: passphraseTitle,
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attributes: [.foregroundColor: theme.placeholderTextColor])
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self.passphraseVisibilityButton.tintColor = theme.tintColor
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self.additionalInformationLabel.textColor = theme.textSecondaryColor
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self.validateButton.update(theme: theme)
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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 render(viewState: SecretsSetupRecoveryPassphraseViewState) {
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switch viewState {
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case .loaded(let viewData):
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self.renderLoaded(viewData: viewData)
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case .formUpdated(let viewData):
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self.renderFormUpdated(viewData: viewData)
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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 renderLoaded(viewData: SecretsSetupRecoveryPassphraseViewData) {
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self.currentViewData = viewData
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let informationText: String
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let passphraseTitle: String
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let showPasswordStrength: Bool
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switch viewData.mode {
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case .newPassphrase(strength: let strength):
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informationText = VectorL10n.secretsSetupRecoveryPassphraseInformation
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passphraseTitle = VectorL10n.keyBackupSetupPassphrasePassphraseTitle
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showPasswordStrength = true
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self.passphraseStrengthView.strength = strength
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case .confimPassphrase:
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informationText = VectorL10n.secretsSetupRecoveryPassphraseConfirmInformation
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passphraseTitle = VectorL10n.secretsSetupRecoveryPassphraseConfirmPassphraseTitle
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showPasswordStrength = false
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}
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self.informationLabel.text = informationText
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self.passphraseTitleLabel.text = passphraseTitle
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self.passphraseStrengthContainerView.isHidden = !showPasswordStrength
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self.update(theme: self.theme)
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}
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private func renderFormUpdated(viewData: SecretsSetupRecoveryPassphraseViewData) {
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self.currentViewData = viewData
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if case .newPassphrase(strength: let strength) = viewData.mode {
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self.passphraseStrengthView.strength = strength
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}
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self.validateButton.isEnabled = viewData.isFormValid
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self.updatePassphraseAdditionalLabel(viewData: viewData)
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// Show passphrase additional info at first character entered
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if self.isPassphraseTextFieldEditedOnce == false, self.passphraseTextField.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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}
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private func render(error: Error) {
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self.activityPresenter.removeCurrentActivityIndicator(animated: true)
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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 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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// Workaround to layout passphraseStrengthView corner radius
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self.passphraseStrengthView.setNeedsLayout()
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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 updatePassphraseAdditionalLabel(viewData: SecretsSetupRecoveryPassphraseViewData) {
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let text: String
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let textColor: UIColor
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if viewData.isFormValid {
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switch viewData.mode {
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case .newPassphrase:
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text = VectorL10n.keyBackupSetupPassphrasePassphraseValid
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case .confimPassphrase:
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text = VectorL10n.keyBackupSetupPassphraseConfirmPassphraseValid
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}
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textColor = self.theme.tintColor
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} else {
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switch viewData.mode {
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case .newPassphrase:
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text = VectorL10n.keyBackupSetupPassphrasePassphraseInvalid
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case .confimPassphrase:
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text = VectorL10n.keyBackupSetupPassphraseConfirmPassphraseInvalid
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}
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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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// 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.toggle()
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}
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@objc private func textFieldDidChange(_ textField: UITextField) {
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guard textField == self.passphraseTextField else {
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return
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}
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self.viewModel.process(viewAction: .updatePassphrase(textField.text))
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}
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@IBAction private func validateButtonAction(_ sender: Any) {
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self.viewModel.process(viewAction: .validate)
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}
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private func cancelButtonAction() {
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self.viewModel.process(viewAction: .cancel)
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}
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}
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// MARK: - SecretsSetupRecoveryPassphraseViewModelViewDelegate
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extension SecretsSetupRecoveryPassphraseViewController: SecretsSetupRecoveryPassphraseViewModelViewDelegate {
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func secretsSetupRecoveryPassphraseViewModel(_ viewModel: SecretsSetupRecoveryPassphraseViewModelType, didUpdateViewState viewSate: SecretsSetupRecoveryPassphraseViewState) {
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self.render(viewState: viewSate)
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}
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}
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