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Security settings: Introduce a dynamic section for SECURE BACKUP
This is a copy from SettingsKeyBackupTableViewSection. We need to get the current status of the key backup to be able to display right actions.
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/*
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Copyright 2021 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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@objc protocol SettingsSecureBackupTableViewSectionDelegate: class {
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func settingsSecureBackupTableViewSectionDidUpdate(_ settingsSecureBackupTableViewSection: SettingsSecureBackupTableViewSection)
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func settingsSecureBackupTableViewSection(_ settingsSecureBackupTableViewSection: SettingsSecureBackupTableViewSection, textCellForRow: Int) -> MXKTableViewCellWithTextView
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func settingsSecureBackupTableViewSection(_ settingsSecureBackupTableViewSection: SettingsSecureBackupTableViewSection, buttonCellForRow: Int) -> MXKTableViewCellWithButton
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func settingsSecureBackupTableViewSectionShowKeyBackupSetup(_ settingsSecureBackupTableViewSection: SettingsSecureBackupTableViewSection)
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func settingsSecureBackupTableViewSection(_ settingsSecureBackupTableViewSection: SettingsSecureBackupTableViewSection, showKeyBackupRecover keyBackupVersion: MXKeyBackupVersion)
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func settingsSecureBackupTableViewSection(_ settingsSecureBackupTableViewSection: SettingsSecureBackupTableViewSection, showKeyBackupDeleteConfirm keyBackupVersion: MXKeyBackupVersion)
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func settingsSecureBackupTableViewSection(_ settingsSecureBackupTableViewSection: SettingsSecureBackupTableViewSection, showActivityIndicator show: Bool)
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func settingsSecureBackupTableViewSection(_ settingsSecureBackupTableViewSection: SettingsSecureBackupTableViewSection, showError error: Error)
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}
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private enum BackupRows {
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case info(text: String)
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case setupAction
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case restoreFromKeyBackupAction(keyBackupVersion: MXKeyBackupVersion, title: String)
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case deleteKeyBackupAction(keyBackupVersion: MXKeyBackupVersion)
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}
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@objc final class SettingsSecureBackupTableViewSection: NSObject {
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// MARK: - Properties
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@objc weak var delegate: SettingsSecureBackupTableViewSectionDelegate?
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// MARK: Private
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// This view class holds the model because the model is in pure Swift
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// whereas this class can be used from objC
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private var viewModel: SettingsSecureBackupViewModelType!
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// Need to know the state to make `cellForRow` deliver cells accordingly
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private var viewState: SettingsSecureBackupViewState = .checkingBackup {
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didSet {
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self.updateBackupRows()
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}
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}
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private var userDevice: MXDeviceInfo
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private var backupRows: [BackupRows] = []
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// MARK: - Public
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@objc init(withKeyBackup keyBackup: MXKeyBackup, userDevice: MXDeviceInfo) {
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self.viewModel = SettingsSecureBackupViewModel(keyBackup: keyBackup)
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self.userDevice = userDevice
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super.init()
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self.viewModel.viewDelegate = self
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self.viewModel.process(viewAction: .load)
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}
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@objc func numberOfRows() -> Int {
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return self.backupRows.count
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}
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@objc func cellForRow(atRow row: Int) -> UITableViewCell {
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guard let delegate = self.delegate else {
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return UITableViewCell()
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}
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let backupRow = self.backupRows[row]
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var cell: UITableViewCell
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switch backupRow {
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case .info(let infoText):
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let infoCell: MXKTableViewCellWithTextView = delegate.settingsSecureBackupTableViewSection(self, textCellForRow: row)
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infoCell.mxkTextView.text = infoText
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cell = infoCell
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case .setupAction:
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cell = self.buttonCellForSetup(atRow: row)
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case .restoreFromKeyBackupAction(keyBackupVersion: let keyBackupVersion, let title):
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cell = self.buttonCellForRestoreFromKeyBackup(keyBackupVersion: keyBackupVersion, title: title, atRow: row)
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case .deleteKeyBackupAction(keyBackupVersion: let keyBackupVersion):
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cell = self.buttonCellForDeleteKeyBackup(keyBackupVersion: keyBackupVersion, atRow: row)
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}
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return cell
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}
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@objc func reload() {
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self.viewModel.process(viewAction: .load)
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}
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@objc func deleteKeyBackup(keyBackupVersion: MXKeyBackupVersion) {
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self.viewModel.process(viewAction: .deleteKeyBackup(keyBackupVersion))
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}
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// MARK: - Data Computing
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private func updateBackupRows() {
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let backupRows: [BackupRows]
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switch self.viewState {
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case .checkingBackup:
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let info = VectorL10n.securitySettingsSecureBackupDescription
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let checking = VectorL10n.securitySettingsSecureBackupInfoChecking
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let strings = [info, "", checking]
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let text = strings.joined(separator: "\n")
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backupRows = [
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.info(text: text)
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]
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case .noBackup:
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// let noBackup = VectorL10n.settingsSecureBackupInfoNone
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// let info = VectorL10n.settingsSecureBackupInfo
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// let signoutWarning = VectorL10n.settingsSecureBackupInfoSignoutWarning
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// let strings = [noBackup, "", info, "", signoutWarning]
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// let backupInfoText = strings.joined(separator: "\n")
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let backupInfoText = "TODO"
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backupRows = [
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.info(text: backupInfoText),
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.setupAction
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]
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case .backup(let keyBackupVersion, let keyBackupVersionTrust),
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.backupAndRunning(let keyBackupVersion, let keyBackupVersionTrust, _):
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let info = VectorL10n.securitySettingsSecureBackupDescription
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let backupStatus = VectorL10n.securitySettingsSecureBackupInfoValid
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let backupStrings = [info, "", backupStatus]
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let backupInfoText = backupStrings.joined(separator: "\n")
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// let version = VectorL10n.settingsSecureBackupInfoVersion(keyBackupVersion.version ?? "")
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// let algorithm = VectorL10n.settingsSecureBackupInfoAlgorithm(keyBackupVersion.algorithm)
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// let uploadStatus = VectorL10n.settingsSecureBackupInfoProgressDone
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// let additionalStrings = [version, algorithm, uploadStatus]
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// let additionalInfoText = additionalStrings.joined(separator: "\n")
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//
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// let backupTrust = self.stringForKeyBackupTrust(keyBackupVersionTrust)
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// let backupTrustInfoText = backupTrust.joined(separator: "\n")
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var backupViewStateRows: [BackupRows] = [
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.info(text: backupInfoText),
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// .info(text: additionalInfoText),
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// .info(text: backupTrustInfoText)
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]
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// TODO: Do not display restore button if all keys are stored on the device
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if true {
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backupViewStateRows.append(.restoreFromKeyBackupAction(keyBackupVersion: keyBackupVersion, title: VectorL10n.securitySettingsSecureBackupRestore))
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}
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backupViewStateRows.append(.deleteKeyBackupAction(keyBackupVersion: keyBackupVersion))
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backupRows = backupViewStateRows
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// case .backupAndRunning(let keyBackupVersion, let keyBackupVersionTrust, let backupProgress):
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//
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// let info = VectorL10n.securitySettingsSecureBackupDescription
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// let backupStatus = VectorL10n.securitySettingsSecureBackupInfoValid
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// let backupStrings = [info, "", backupStatus]
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// let backupInfoText = backupStrings.joined(separator: "\n")
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//
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// let remaining = backupProgress.totalUnitCount - backupProgress.completedUnitCount
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// let version = VectorL10n.settingsSecureBackupInfoVersion(keyBackupVersion.version ?? "")
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// let algorithm = VectorL10n.settingsSecureBackupInfoAlgorithm(keyBackupVersion.algorithm)
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// let uploadStatus = VectorL10n.settingsSecureBackupInfoProgress(String(remaining))
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// let additionalStrings = [version, algorithm, uploadStatus]
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// let additionalInfoText = additionalStrings.joined(separator: "\n")
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//
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// let backupTrust = self.stringForKeyBackupTrust(keyBackupVersionTrust)
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// let backupTrustInfoText = backupTrust.joined(separator: "\n")
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//
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// var backupAndRunningViewStateRows: [BackupRows] = [
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// .info(text: backupInfoText),
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// .info(text: additionalInfoText),
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// .info(text: backupTrustInfoText)
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// ]
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//
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// // TODO: Do not display restore button if all keys are stored on the device
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// if true {
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// backupAndRunningViewStateRows.append(.restoreAction(keyBackupVersion: keyBackupVersion, title: VectorL10n.settingsSecureBackupButtonRestore))
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// }
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//
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// backupAndRunningViewStateRows.append(.deleteAction(keyBackupVersion: keyBackupVersion))
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//
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// backupRows = backupAndRunningViewStateRows
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case .backupNotTrusted(let keyBackupVersion, let keyBackupVersionTrust):
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// TODO: What?
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let info = VectorL10n.securitySettingsSecureBackupDescription
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backupRows = [
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.info(text: info)
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]
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// let info = VectorL10n.securitySettingsSecureBackupDescription
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// let backupStatus = VectorL10n.settingsSecureBackupInfoNotValid
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// let signoutWarning = VectorL10n.settingsSecureBackupInfoSignoutWarning
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// let backupStrings = [info, "", backupStatus, "", signoutWarning]
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// let backupInfoText = backupStrings.joined(separator: "\n")
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//
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// let version = VectorL10n.settingsSecureBackupInfoVersion(keyBackupVersion.version ?? "")
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// let algorithm = VectorL10n.settingsSecureBackupInfoAlgorithm(keyBackupVersion.algorithm)
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// let additionalStrings = [version, algorithm]
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// let additionalInfoText = additionalStrings.joined(separator: "\n")
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//
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// let backupTrust = self.stringForKeyBackupTrust(keyBackupVersionTrust)
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// let backupTrustInfoText = backupTrust.joined(separator: "\n")
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//
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// var backupNotTrustedViewStateRows: [BackupRows] = [
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// .info(text: backupInfoText),
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// .info(text: additionalInfoText),
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// .info(text: backupTrustInfoText)
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// ]
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//
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// // TODO: Do not display restore button if all keys are stored on the device
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// if true {
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// backupNotTrustedViewStateRows.append(.restoreAction(keyBackupVersion: keyBackupVersion, title: VectorL10n.settingsSecureBackupButtonConnect))
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// }
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//
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// backupNotTrustedViewStateRows.append(.deleteAction(keyBackupVersion: keyBackupVersion))
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//
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// backupRows = backupNotTrustedViewStateRows
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}
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self.backupRows = backupRows
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}
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// MARK: - Button cells
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private func buttonCellForSetup(atRow row: Int) -> UITableViewCell {
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guard let delegate = self.delegate else {
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return UITableViewCell()
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}
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let cell: MXKTableViewCellWithButton = delegate.settingsSecureBackupTableViewSection(self, buttonCellForRow: row)
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let btnTitle = VectorL10n.securitySettingsSecureBackupSetup
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cell.mxkButton.setTitle(btnTitle, for: .normal)
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cell.mxkButton.setTitle(btnTitle, for: .highlighted)
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cell.mxkButton.vc_addAction {
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self.viewModel.process(viewAction: .setup)
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}
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return cell
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}
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private func buttonCellForRestoreFromKeyBackup(keyBackupVersion: MXKeyBackupVersion, title: String, atRow row: Int) -> UITableViewCell {
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guard let delegate = self.delegate else {
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return UITableViewCell()
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}
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let cell: MXKTableViewCellWithButton = delegate.settingsSecureBackupTableViewSection(self, buttonCellForRow: row)
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cell.mxkButton.setTitle(title, for: .normal)
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cell.mxkButton.setTitle(title, for: .highlighted)
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cell.mxkButton.vc_addAction {
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self.viewModel.process(viewAction: .restoreFromKeyBackup(keyBackupVersion))
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}
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return cell
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}
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private func buttonCellForDeleteKeyBackup(keyBackupVersion: MXKeyBackupVersion, atRow row: Int) -> UITableViewCell {
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guard let delegate = self.delegate else {
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return UITableViewCell()
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}
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let cell: MXKTableViewCellWithButton = delegate.settingsSecureBackupTableViewSection(self, buttonCellForRow: row)
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let btnTitle = VectorL10n.securitySettingsSecureBackupDelete
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cell.mxkButton.setTitle(btnTitle, for: .normal)
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cell.mxkButton.setTitle(btnTitle, for: .highlighted)
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cell.mxkButton.tintColor = ThemeService.shared().theme.warningColor
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cell.mxkButton.vc_addAction {
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self.viewModel.process(viewAction: .confirmDeleteKeyBackup(keyBackupVersion))
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}
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return cell
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}
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}
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// MARK: - KeyBackupSetupRecoveryKeyViewModelViewDelegate
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extension SettingsSecureBackupTableViewSection: SettingsSecureBackupViewModelViewDelegate {
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func settingsSecureBackupViewModel(_ viewModel: SettingsSecureBackupViewModelType, didUpdateViewState viewState: SettingsSecureBackupViewState) {
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self.viewState = viewState
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// The tableview datasource will call `self.cellForRow()`
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self.delegate?.settingsSecureBackupTableViewSectionDidUpdate(self)
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}
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func settingsSecureBackupViewModel(_ viewModel: SettingsSecureBackupViewModelType, didUpdateNetworkRequestViewState networkRequestViewSate: SettingsSecureBackupNetworkRequestViewState) {
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switch networkRequestViewSate {
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case .loading:
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self.delegate?.settingsSecureBackupTableViewSection(self, showActivityIndicator: true)
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case .loaded:
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self.delegate?.settingsSecureBackupTableViewSection(self, showActivityIndicator: false)
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case .error(let error):
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self.delegate?.settingsSecureBackupTableViewSection(self, showError: error)
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}
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}
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func settingsSecureBackupViewModelShowKeyBackupSetup(_ viewModel: SettingsSecureBackupViewModelType) {
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self.delegate?.settingsSecureBackupTableViewSectionShowKeyBackupSetup(self)
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}
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func settingsSecureBackupViewModel(_ viewModel: SettingsSecureBackupViewModelType, showKeyBackupRecover keyBackupVersion: MXKeyBackupVersion) {
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self.delegate?.settingsSecureBackupTableViewSection(self, showKeyBackupRecover: keyBackupVersion)
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}
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func settingsSecureBackupViewModel(_ viewModel: SettingsSecureBackupViewModelType, showKeyBackupDeleteConfirm keyBackupVersion: MXKeyBackupVersion) {
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self.delegate?.settingsSecureBackupTableViewSection(self, showKeyBackupDeleteConfirm: keyBackupVersion)
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}
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}
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