element-ios/Riot/Modules/Secrets/Recover/RecoverWithPassphrase/SecretsRecoveryWithPassphraseViewController.swift

265 lines
11 KiB
Swift

/*
Copyright 2020 New Vector Ltd
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
import UIKit
final class SecretsRecoveryWithPassphraseViewController: UIViewController {
// MARK: - Properties
// MARK: Outlets
@IBOutlet private weak var scrollView: UIScrollView!
@IBOutlet private weak var shieldImageView: UIImageView!
@IBOutlet private weak var informationLabel: UILabel!
@IBOutlet private weak var passphraseTitleLabel: UILabel!
@IBOutlet private weak var passphraseTextField: UITextField!
@IBOutlet private weak var passphraseTextFieldBackgroundView: UIView!
@IBOutlet private weak var passphraseVisibilityButton: UIButton!
@IBOutlet private weak var useRecoveryKeyButton: UIButton!
@IBOutlet private weak var recoverButton: RoundedButton!
@IBOutlet private weak var resetSecretsButton: UIButton!
// MARK: Private
private var viewModel: SecretsRecoveryWithPassphraseViewModelType!
private var keyboardAvoider: KeyboardAvoider?
private var theme: Theme!
private var errorPresenter: MXKErrorPresentation!
private var activityPresenter: ActivityIndicatorPresenter!
// MARK: Public
// MARK: - Setup
class func instantiate(with viewModel: SecretsRecoveryWithPassphraseViewModelType) -> SecretsRecoveryWithPassphraseViewController {
let viewController = StoryboardScene.SecretsRecoveryWithPassphraseViewController.initialScene.instantiate()
viewController.viewModel = viewModel
viewController.theme = ThemeService.shared().theme
return viewController
}
// MARK: - Life cycle
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view.
self.vc_removeBackTitle()
self.setupViews()
self.keyboardAvoider = KeyboardAvoider(scrollViewContainerView: self.view, scrollView: self.scrollView)
self.activityPresenter = ActivityIndicatorPresenter()
self.errorPresenter = MXKErrorAlertPresentation()
self.registerThemeServiceDidChangeThemeNotification()
self.update(theme: self.theme)
self.viewModel.viewDelegate = self
}
override var preferredStatusBarStyle: UIStatusBarStyle {
return self.theme.statusBarStyle
}
// MARK: - Private
private func setupViews() {
let cancelBarButtonItem = MXKBarButtonItem(title: VectorL10n.cancel, style: .plain) { [weak self] in
self?.viewModel.process(viewAction: .cancel)
}
self.navigationItem.rightBarButtonItem = cancelBarButtonItem
self.title = VectorL10n.secretsRecoveryWithPassphraseTitle
self.scrollView.keyboardDismissMode = .interactive
let shieldImage = Asset.Images.secretsRecoveryPassphrase.image.withRenderingMode(.alwaysTemplate)
self.shieldImageView.image = shieldImage
let visibilityImage = Asset.Images.revealPasswordButton.image.withRenderingMode(.alwaysTemplate)
self.passphraseVisibilityButton.setImage(visibilityImage, for: .normal)
let informationText: String
switch self.viewModel.recoveryGoal {
case .default, .keyBackup, .restoreSecureBackup:
informationText = VectorL10n.secretsRecoveryWithPassphraseInformationDefault
case .unlockSecureBackup(_):
informationText = VectorL10n.secretsRecoveryWithKeyInformationUnlockSecureBackupWithPhrase
case .verifyDevice:
informationText = VectorL10n.secretsRecoveryWithPassphraseInformationVerifyDevice
}
self.informationLabel.text = informationText
self.passphraseTitleLabel.text = VectorL10n.secretsRecoveryWithPassphrasePassphraseTitle
self.passphraseTextField.addTarget(self, action: #selector(passphraseTextFieldDidChange(_:)), for: .editingChanged)
self.useRecoveryKeyButton.vc_enableMultiLinesTitle()
self.recoverButton.vc_enableMultiLinesTitle()
self.recoverButton.setTitle(VectorL10n.secretsRecoveryWithPassphraseRecoverAction, for: .normal)
self.updateRecoverButton()
self.resetSecretsButton.vc_enableMultiLinesTitle()
self.resetSecretsButton.isHidden = !RiotSettings.shared.secretsRecoveryAllowReset
}
private func update(theme: Theme) {
self.theme = theme
self.view.backgroundColor = theme.headerBackgroundColor
if let navigationBar = self.navigationController?.navigationBar {
theme.applyStyle(onNavigationBar: navigationBar)
}
self.informationLabel.textColor = theme.textPrimaryColor
self.shieldImageView.tintColor = theme.textPrimaryColor
self.passphraseTextFieldBackgroundView.backgroundColor = theme.backgroundColor
self.passphraseTitleLabel.textColor = theme.textPrimaryColor
theme.applyStyle(onTextField: self.passphraseTextField)
self.passphraseTextField.attributedPlaceholder = NSAttributedString(string: VectorL10n.secretsRecoveryWithPassphrasePassphrasePlaceholder,
attributes: [.foregroundColor: theme.placeholderTextColor])
self.theme.applyStyle(onButton: self.passphraseVisibilityButton)
self.recoverButton.update(theme: theme)
// Use recovery key button
let useRecoveryKeyAttributedString = NSMutableAttributedString(string: VectorL10n.secretsRecoveryWithPassphraseLostPassphraseActionPart1, attributes: [.foregroundColor: self.theme.textPrimaryColor])
let unknownRecoveryKeyAttributedStringPart2 = NSAttributedString(string: VectorL10n.secretsRecoveryWithPassphraseLostPassphraseActionPart2, attributes: [.foregroundColor: self.theme.tintColor])
let unknownRecoveryKeyAttributedStringPart3 = NSAttributedString(string: VectorL10n.secretsRecoveryWithPassphraseLostPassphraseActionPart3, attributes: [.foregroundColor: self.theme.textPrimaryColor])
useRecoveryKeyAttributedString.append(unknownRecoveryKeyAttributedStringPart2)
useRecoveryKeyAttributedString.append(unknownRecoveryKeyAttributedStringPart3)
self.useRecoveryKeyButton.setAttributedTitle(useRecoveryKeyAttributedString, for: .normal)
// Reset secrets button
let resetSecretsAttributedString = NSMutableAttributedString(string: VectorL10n.secretsRecoveryResetActionPart1, attributes: [.foregroundColor: self.theme.textPrimaryColor])
let resetSecretsAttributedStringPart2 = NSAttributedString(string: VectorL10n.secretsRecoveryResetActionPart2, attributes: [.foregroundColor: self.theme.warningColor])
resetSecretsAttributedString.append(resetSecretsAttributedStringPart2)
self.resetSecretsButton.setAttributedTitle(resetSecretsAttributedString, for: .normal)
}
private func registerThemeServiceDidChangeThemeNotification() {
NotificationCenter.default.addObserver(self, selector: #selector(themeDidChange), name: .themeServiceDidChangeTheme, object: nil)
}
@objc private func themeDidChange() {
self.update(theme: ThemeService.shared().theme)
}
private func updateRecoverButton() {
self.recoverButton.isEnabled = self.viewModel.isFormValid
}
private func render(viewState: SecretsRecoveryWithPassphraseViewState) {
switch viewState {
case .loading:
self.renderLoading()
case .loaded:
self.renderLoaded()
case .error(let error):
self.render(error: error)
}
}
private func renderLoading() {
self.view.endEditing(true)
self.activityPresenter.presentActivityIndicator(on: self.view, animated: true)
}
private func renderLoaded() {
self.activityPresenter.removeCurrentActivityIndicator(animated: true)
}
private func render(error: Error) {
self.activityPresenter.removeCurrentActivityIndicator(animated: true)
let nsError = error as NSError
if nsError.domain == MXRecoveryServiceErrorDomain
&& nsError.code == Int(MXRecoveryServiceErrorCode.badRecoveryKeyErrorCode.rawValue) {
self.errorPresenter.presentError(from: self,
title: VectorL10n.secretsRecoveryWithPassphraseInvalidPassphraseTitle,
message: VectorL10n.secretsRecoveryWithPassphraseInvalidPassphraseMessage,
animated: true,
handler: nil)
} else {
self.errorPresenter.presentError(from: self, forError: error, animated: true, handler: nil)
}
}
// MARK: - Actions
@IBAction private func passphraseVisibilityButtonAction(_ sender: Any) {
self.passphraseTextField.isSecureTextEntry = !self.passphraseTextField.isSecureTextEntry
}
@objc private func passphraseTextFieldDidChange(_ textField: UITextField) {
self.viewModel.passphrase = textField.text
self.updateRecoverButton()
}
@IBAction private func recoverButtonAction(_ sender: Any) {
self.viewModel.process(viewAction: .recover)
}
@IBAction private func useRecoveryKeyButtonAction(_ sender: Any) {
self.viewModel.process(viewAction: .useRecoveryKey)
}
@IBAction private func resetSecretsAction(_ sender: Any) {
self.viewModel.process(viewAction: .resetSecrets)
}
}
// MARK: - UITextFieldDelegate
extension SecretsRecoveryWithPassphraseViewController: UITextFieldDelegate {
func textFieldShouldReturn(_ textField: UITextField) -> Bool {
textField.resignFirstResponder()
return true
}
}
// MARK: - SecretsRecoveryWithPassphraseViewModelViewDelegate
extension SecretsRecoveryWithPassphraseViewController: SecretsRecoveryWithPassphraseViewModelViewDelegate {
func secretsRecoveryWithPassphraseViewModel(_ viewModel: SecretsRecoveryWithPassphraseViewModelType, didUpdateViewState viewSate: SecretsRecoveryWithPassphraseViewState) {
self.render(viewState: viewSate)
}
}