mirror of https://github.com/oxen-io/session-ios
Merge branch 'charlesmchen/backupRestoreView'
Matthew Chen
6 years ago
commit
018fe6cb42
@ -0,0 +1,165 @@
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//
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// Copyright (c) 2018 Open Whisper Systems. All rights reserved.
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//
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import UIKit
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@objc
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public class BackupRestoreViewController: OWSTableViewController {
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private var hasBegunImport = false
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private var backup: OWSBackup {
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return AppEnvironment.shared.backup
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}
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override public func loadView() {
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super.loadView()
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navigationItem.title = NSLocalizedString("SETTINGS_BACKUP", comment: "Label for the backup view in app settings.")
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navigationItem.leftBarButtonItem = UIBarButtonItem(barButtonSystemItem: .cancel, target: self, action: #selector(didPressCancelButton))
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}
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override public func viewDidLoad() {
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super.viewDidLoad()
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NotificationCenter.default.addObserver(self,
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selector: #selector(backupStateDidChange),
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name: NSNotification.Name(NSNotificationNameBackupStateDidChange),
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object: nil)
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updateTableContents()
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}
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private func updateTableContents() {
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if hasBegunImport {
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updateProgressContents()
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} else {
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updateDecisionContents()
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}
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}
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private func updateDecisionContents() {
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let contents = OWSTableContents()
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let section = OWSTableSection()
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section.headerTitle = NSLocalizedString("BACKUP_RESTORE_DECISION_TITLE", comment: "Label for the backup restore decision section.")
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section.add(OWSTableItem.actionItem(withText: NSLocalizedString("CHECK_FOR_BACKUP_DO_NOT_RESTORE",
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comment: "The label for the 'do not restore backup' button."), actionBlock: { [weak self] in
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guard let strongSelf = self else {
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return
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}
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strongSelf.cancelAndDismiss()
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}))
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section.add(OWSTableItem.actionItem(withText: NSLocalizedString("CHECK_FOR_BACKUP_RESTORE",
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comment: "The label for the 'restore backup' button."), actionBlock: { [weak self] in
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guard let strongSelf = self else {
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return
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}
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strongSelf.startImport()
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}))
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contents.addSection(section)
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self.contents = contents
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}
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private var progressFormatter: NumberFormatter = {
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let numberFormatter = NumberFormatter()
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numberFormatter.numberStyle = .percent
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numberFormatter.maximumFractionDigits = 0
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numberFormatter.multiplier = 1
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return numberFormatter
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}()
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private func updateProgressContents() {
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let contents = OWSTableContents()
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let section = OWSTableSection()
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section.add(OWSTableItem.label(withText: NSLocalizedString("BACKUP_RESTORE_STATUS", comment: "Label for the backup restore status."), accessoryText: NSStringForBackupImportState(backup.backupImportState)))
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if backup.backupImportState == .inProgress {
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if let backupImportDescription = backup.backupImportDescription {
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section.add(OWSTableItem.label(withText: NSLocalizedString("BACKUP_RESTORE_DESCRIPTION", comment: "Label for the backup restore description."), accessoryText: backupImportDescription))
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}
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if let backupImportProgress = backup.backupImportProgress {
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let progressInt = backupImportProgress.floatValue * 100
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if let progressString = progressFormatter.string(from: NSNumber(value: progressInt)) {
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section.add(OWSTableItem.label(withText: NSLocalizedString("BACKUP_RESTORE_PROGRESS", comment: "Label for the backup restore progress."), accessoryText: progressString))
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} else {
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owsFailDebug("Could not format progress: \(progressInt)")
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}
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}
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}
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contents.addSection(section)
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self.contents = contents
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// TODO: Add cancel button.
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}
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// MARK: Helpers
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@objc
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private func didPressCancelButton(sender: UIButton) {
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Logger.info("")
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// TODO: Cancel import.
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cancelAndDismiss()
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}
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@objc
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private func cancelAndDismiss() {
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Logger.info("")
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backup.setHasPendingRestoreDecision(false)
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dismiss(animated: true)
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}
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@objc
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private func startImport() {
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Logger.info("")
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hasBegunImport = true
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backup.tryToImport()
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}
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private func showHomeView() {
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// In production, this view will never be presented in a modal.
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// During testing (debug UI, etc.), it may be a modal.
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let isModal = navigationController?.presentingViewController != nil
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if isModal {
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dismiss(animated: true, completion: {
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SignalApp.shared().showHomeView()
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})
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} else {
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SignalApp.shared().showHomeView()
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}
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NotificationCenter.default.removeObserver(self)
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}
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// MARK: - Notifications
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@objc func backupStateDidChange() {
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AssertIsOnMainThread()
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Logger.verbose("backup.backupImportState: \(NSStringForBackupImportState(backup.backupImportState))")
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Logger.flush()
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if backup.backupImportState == .succeeded {
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backup.setHasPendingRestoreDecision(false)
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showHomeView()
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} else {
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updateTableContents()
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}
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}
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}
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