Files
SideStore/AltStore/My Apps/MyAppsViewController.swift
Riley Testut 2d87c396f1 Deactivates apps by backing up + deleting them on iOS 13.5+
Deactivating apps by removing their profiles no longer works on iOS 13.5. Instead, AltStore will now back up the app by temporarily replacing it with AltBackup, then remove the app from the phone.
2020-05-17 23:47:26 -07:00

1657 lines
70 KiB
Swift

//
// MyAppsViewController.swift
// AltStore
//
// Created by Riley Testut on 7/16/19.
// Copyright © 2019 Riley Testut. All rights reserved.
//
import UIKit
import MobileCoreServices
import AltKit
import Roxas
import AltSign
import Nuke
private let maximumCollapsedUpdatesCount = 2
extension MyAppsViewController
{
private enum Section: Int, CaseIterable
{
case noUpdates
case updates
case activeApps
case inactiveApps
}
}
class MyAppsViewController: UICollectionViewController
{
private lazy var dataSource = self.makeDataSource()
private lazy var noUpdatesDataSource = self.makeNoUpdatesDataSource()
private lazy var updatesDataSource = self.makeUpdatesDataSource()
private lazy var activeAppsDataSource = self.makeActiveAppsDataSource()
private lazy var inactiveAppsDataSource = self.makeInactiveAppsDataSource()
private var prototypeUpdateCell: UpdateCollectionViewCell!
private var sideloadingProgressView: UIProgressView!
// State
private var isUpdateSectionCollapsed = true
private var expandedAppUpdates = Set<String>()
private var isRefreshingAllApps = false
private var refreshGroup: RefreshGroup?
private var sideloadingProgress: Progress?
private var dropDestinationIndexPath: IndexPath?
// Cache
private var cachedUpdateSizes = [String: CGSize]()
private lazy var dateFormatter: DateFormatter = {
let dateFormatter = DateFormatter()
dateFormatter.dateStyle = .medium
dateFormatter.timeStyle = .none
return dateFormatter
}()
required init?(coder aDecoder: NSCoder)
{
super.init(coder: aDecoder)
NotificationCenter.default.addObserver(self, selector: #selector(MyAppsViewController.didFetchSource(_:)), name: AppManager.didFetchSourceNotification, object: nil)
NotificationCenter.default.addObserver(self, selector: #selector(MyAppsViewController.importApp(_:)), name: AppDelegate.importAppDeepLinkNotification, object: nil)
}
override func viewDidLoad()
{
super.viewDidLoad()
// Allows us to intercept delegate callbacks.
self.updatesDataSource.fetchedResultsController.delegate = self
self.collectionView.dataSource = self.dataSource
self.collectionView.prefetchDataSource = self.dataSource
self.collectionView.dragDelegate = self
self.collectionView.dropDelegate = self
self.collectionView.dragInteractionEnabled = true
self.prototypeUpdateCell = UpdateCollectionViewCell.instantiate(with: UpdateCollectionViewCell.nib!)
self.prototypeUpdateCell.contentView.translatesAutoresizingMaskIntoConstraints = false
self.collectionView.register(UpdateCollectionViewCell.nib, forCellWithReuseIdentifier: "UpdateCell")
self.collectionView.register(UpdatesCollectionHeaderView.self, forSupplementaryViewOfKind: UICollectionView.elementKindSectionHeader, withReuseIdentifier: "UpdatesHeader")
self.collectionView.register(InstalledAppsCollectionHeaderView.self, forSupplementaryViewOfKind: UICollectionView.elementKindSectionHeader, withReuseIdentifier: "ActiveAppsHeader")
self.collectionView.register(InstalledAppsCollectionHeaderView.self, forSupplementaryViewOfKind: UICollectionView.elementKindSectionHeader, withReuseIdentifier: "InactiveAppsHeader")
self.sideloadingProgressView = UIProgressView(progressViewStyle: .bar)
self.sideloadingProgressView.translatesAutoresizingMaskIntoConstraints = false
self.sideloadingProgressView.progressTintColor = .altPrimary
self.sideloadingProgressView.progress = 0
if let navigationBar = self.navigationController?.navigationBar
{
navigationBar.addSubview(self.sideloadingProgressView)
NSLayoutConstraint.activate([self.sideloadingProgressView.leadingAnchor.constraint(equalTo: navigationBar.leadingAnchor),
self.sideloadingProgressView.trailingAnchor.constraint(equalTo: navigationBar.trailingAnchor),
self.sideloadingProgressView.bottomAnchor.constraint(equalTo: navigationBar.bottomAnchor)])
}
if #available(iOS 13, *) {}
else
{
self.registerForPreviewing(with: self, sourceView: self.collectionView)
}
}
override func viewWillAppear(_ animated: Bool)
{
super.viewWillAppear(animated)
self.updateDataSource()
self.fetchAppIDs()
}
override func prepare(for segue: UIStoryboardSegue, sender: Any?)
{
guard let identifier = segue.identifier else { return }
switch identifier
{
case "showApp", "showUpdate":
guard let cell = sender as? UICollectionViewCell, let indexPath = self.collectionView.indexPath(for: cell) else { return }
let installedApp = self.dataSource.item(at: indexPath)
let appViewController = segue.destination as! AppViewController
appViewController.app = installedApp.storeApp
default: break
}
}
override func shouldPerformSegue(withIdentifier identifier: String, sender: Any?) -> Bool
{
guard identifier == "showApp" else { return true }
guard let cell = sender as? UICollectionViewCell, let indexPath = self.collectionView.indexPath(for: cell) else { return true }
let installedApp = self.dataSource.item(at: indexPath)
return !installedApp.isSideloaded
}
@IBAction func unwindToMyAppsViewController(_ segue: UIStoryboardSegue)
{
}
}
private extension MyAppsViewController
{
func makeDataSource() -> RSTCompositeCollectionViewPrefetchingDataSource<InstalledApp, UIImage>
{
let dataSource = RSTCompositeCollectionViewPrefetchingDataSource<InstalledApp, UIImage>(dataSources: [self.noUpdatesDataSource, self.updatesDataSource, self.activeAppsDataSource, self.inactiveAppsDataSource])
dataSource.proxy = self
return dataSource
}
func makeNoUpdatesDataSource() -> RSTDynamicCollectionViewPrefetchingDataSource<InstalledApp, UIImage>
{
let dynamicDataSource = RSTDynamicCollectionViewPrefetchingDataSource<InstalledApp, UIImage>()
dynamicDataSource.numberOfSectionsHandler = { 1 }
dynamicDataSource.numberOfItemsHandler = { _ in self.updatesDataSource.itemCount == 0 ? 1 : 0 }
dynamicDataSource.cellIdentifierHandler = { _ in "NoUpdatesCell" }
dynamicDataSource.cellConfigurationHandler = { (cell, _, indexPath) in
let cell = cell as! NoUpdatesCollectionViewCell
cell.layoutMargins.left = self.view.layoutMargins.left
cell.layoutMargins.right = self.view.layoutMargins.right
cell.blurView.layer.cornerRadius = 20
cell.blurView.layer.masksToBounds = true
cell.blurView.backgroundColor = .altPrimary
}
return dynamicDataSource
}
func makeUpdatesDataSource() -> RSTFetchedResultsCollectionViewPrefetchingDataSource<InstalledApp, UIImage>
{
let fetchRequest = InstalledApp.updatesFetchRequest()
fetchRequest.sortDescriptors = [NSSortDescriptor(keyPath: \InstalledApp.storeApp?.versionDate, ascending: true),
NSSortDescriptor(keyPath: \InstalledApp.name, ascending: true)]
fetchRequest.returnsObjectsAsFaults = false
let dataSource = RSTFetchedResultsCollectionViewPrefetchingDataSource<InstalledApp, UIImage>(fetchRequest: fetchRequest, managedObjectContext: DatabaseManager.shared.viewContext)
dataSource.liveFetchLimit = maximumCollapsedUpdatesCount
dataSource.cellIdentifierHandler = { _ in "UpdateCell" }
dataSource.cellConfigurationHandler = { [weak self] (cell, installedApp, indexPath) in
guard let self = self else { return }
guard let app = installedApp.storeApp else { return }
let cell = cell as! UpdateCollectionViewCell
cell.layoutMargins.left = self.view.layoutMargins.left
cell.layoutMargins.right = self.view.layoutMargins.right
cell.tintColor = app.tintColor ?? .altPrimary
cell.versionDescriptionTextView.text = app.versionDescription
cell.bannerView.titleLabel.text = app.name
cell.bannerView.iconImageView.image = nil
cell.bannerView.iconImageView.isIndicatingActivity = true
cell.bannerView.betaBadgeView.isHidden = !app.isBeta
cell.bannerView.button.isIndicatingActivity = false
cell.bannerView.button.addTarget(self, action: #selector(MyAppsViewController.updateApp(_:)), for: .primaryActionTriggered)
if self.expandedAppUpdates.contains(app.bundleIdentifier)
{
cell.mode = .expanded
}
else
{
cell.mode = .collapsed
}
cell.versionDescriptionTextView.moreButton.addTarget(self, action: #selector(MyAppsViewController.toggleUpdateCellMode(_:)), for: .primaryActionTriggered)
let progress = AppManager.shared.installationProgress(for: app)
cell.bannerView.button.progress = progress
cell.bannerView.subtitleLabel.text = Date().relativeDateString(since: app.versionDate, dateFormatter: self.dateFormatter)
cell.setNeedsLayout()
}
dataSource.prefetchHandler = { (installedApp, indexPath, completionHandler) in
guard let iconURL = installedApp.storeApp?.iconURL else { return nil }
return RSTAsyncBlockOperation() { (operation) in
ImagePipeline.shared.loadImage(with: iconURL, progress: nil, completion: { (response, error) in
guard !operation.isCancelled else { return operation.finish() }
if let image = response?.image
{
completionHandler(image, nil)
}
else
{
completionHandler(nil, error)
}
})
}
}
dataSource.prefetchCompletionHandler = { (cell, image, indexPath, error) in
let cell = cell as! UpdateCollectionViewCell
cell.bannerView.iconImageView.isIndicatingActivity = false
cell.bannerView.iconImageView.image = image
if let error = error
{
print("Error loading image:", error)
}
}
return dataSource
}
func makeActiveAppsDataSource() -> RSTFetchedResultsCollectionViewPrefetchingDataSource<InstalledApp, UIImage>
{
let fetchRequest = InstalledApp.activeAppsFetchRequest()
fetchRequest.relationshipKeyPathsForPrefetching = [#keyPath(InstalledApp.storeApp)]
fetchRequest.sortDescriptors = [NSSortDescriptor(keyPath: \InstalledApp.expirationDate, ascending: true),
NSSortDescriptor(keyPath: \InstalledApp.refreshedDate, ascending: false),
NSSortDescriptor(keyPath: \InstalledApp.name, ascending: true)]
fetchRequest.returnsObjectsAsFaults = false
let dataSource = RSTFetchedResultsCollectionViewPrefetchingDataSource<InstalledApp, UIImage>(fetchRequest: fetchRequest, managedObjectContext: DatabaseManager.shared.viewContext)
dataSource.cellIdentifierHandler = { _ in "AppCell" }
dataSource.cellConfigurationHandler = { (cell, installedApp, indexPath) in
let tintColor = installedApp.storeApp?.tintColor ?? .altPrimary
let cell = cell as! InstalledAppCollectionViewCell
cell.layoutMargins.left = self.view.layoutMargins.left
cell.layoutMargins.right = self.view.layoutMargins.right
cell.tintColor = tintColor
cell.deactivateBadge?.isHidden = false
if let dropIndexPath = self.dropDestinationIndexPath, dropIndexPath.section == Section.activeApps.rawValue && dropIndexPath.item == indexPath.item
{
cell.bannerView.alpha = 0.4
cell.deactivateBadge?.alpha = 1.0
cell.deactivateBadge?.transform = .identity
}
else
{
cell.bannerView.alpha = 1.0
cell.deactivateBadge?.alpha = 0.0
cell.deactivateBadge?.transform = CGAffineTransform.identity.scaledBy(x: 0.33, y: 0.33)
}
cell.bannerView.iconImageView.isIndicatingActivity = true
cell.bannerView.betaBadgeView.isHidden = !(installedApp.storeApp?.isBeta ?? false)
cell.bannerView.buttonLabel.isHidden = false
cell.bannerView.buttonLabel.text = NSLocalizedString("Expires in", comment: "")
cell.bannerView.button.isIndicatingActivity = false
cell.bannerView.button.removeTarget(self, action: nil, for: .primaryActionTriggered)
cell.bannerView.button.addTarget(self, action: #selector(MyAppsViewController.refreshApp(_:)), for: .primaryActionTriggered)
let currentDate = Date()
let numberOfDays = installedApp.expirationDate.numberOfCalendarDays(since: currentDate)
if numberOfDays == 1
{
cell.bannerView.button.setTitle(NSLocalizedString("1 DAY", comment: ""), for: .normal)
}
else
{
cell.bannerView.button.setTitle(String(format: NSLocalizedString("%@ DAYS", comment: ""), NSNumber(value: numberOfDays)), for: .normal)
}
cell.bannerView.titleLabel.text = installedApp.name
cell.bannerView.subtitleLabel.text = installedApp.storeApp?.developerName ?? NSLocalizedString("Sideloaded", comment: "")
// Make sure refresh button is correct size.
cell.layoutIfNeeded()
switch numberOfDays
{
case 2...3: cell.bannerView.button.tintColor = .refreshOrange
case 4...5: cell.bannerView.button.tintColor = .refreshYellow
case 6...: cell.bannerView.button.tintColor = .refreshGreen
default: cell.bannerView.button.tintColor = .refreshRed
}
if let progress = AppManager.shared.refreshProgress(for: installedApp), progress.fractionCompleted < 1.0
{
cell.bannerView.button.progress = progress
}
else
{
cell.bannerView.button.progress = nil
}
}
dataSource.prefetchHandler = { (item, indexPath, completion) in
let fileURL = item.fileURL
return BlockOperation {
guard let application = ALTApplication(fileURL: fileURL) else {
completion(nil, OperationError.invalidApp)
return
}
let icon = application.icon
completion(icon, nil)
}
}
dataSource.prefetchCompletionHandler = { (cell, image, indexPath, error) in
let cell = cell as! InstalledAppCollectionViewCell
cell.bannerView.iconImageView.image = image
cell.bannerView.iconImageView.isIndicatingActivity = false
}
return dataSource
}
func makeInactiveAppsDataSource() -> RSTFetchedResultsCollectionViewPrefetchingDataSource<InstalledApp, UIImage>
{
let fetchRequest = InstalledApp.fetchRequest() as NSFetchRequest<InstalledApp>
fetchRequest.relationshipKeyPathsForPrefetching = [#keyPath(InstalledApp.storeApp)]
fetchRequest.predicate = NSPredicate(format: "%K == NO", #keyPath(InstalledApp.isActive))
fetchRequest.sortDescriptors = [NSSortDescriptor(keyPath: \InstalledApp.expirationDate, ascending: true),
NSSortDescriptor(keyPath: \InstalledApp.refreshedDate, ascending: false),
NSSortDescriptor(keyPath: \InstalledApp.name, ascending: true)]
fetchRequest.returnsObjectsAsFaults = false
let dataSource = RSTFetchedResultsCollectionViewPrefetchingDataSource<InstalledApp, UIImage>(fetchRequest: fetchRequest, managedObjectContext: DatabaseManager.shared.viewContext)
dataSource.cellIdentifierHandler = { _ in "AppCell" }
dataSource.cellConfigurationHandler = { (cell, installedApp, indexPath) in
let tintColor = installedApp.storeApp?.tintColor ?? .altPrimary
let cell = cell as! InstalledAppCollectionViewCell
cell.layoutMargins.left = self.view.layoutMargins.left
cell.layoutMargins.right = self.view.layoutMargins.right
cell.tintColor = UIColor.gray
cell.bannerView.iconImageView.isIndicatingActivity = true
cell.bannerView.betaBadgeView.isHidden = !(installedApp.storeApp?.isBeta ?? false)
cell.bannerView.buttonLabel.isHidden = true
cell.bannerView.alpha = 1.0
cell.deactivateBadge?.isHidden = true
cell.deactivateBadge?.alpha = 0.0
cell.deactivateBadge?.transform = CGAffineTransform.identity.scaledBy(x: 0.5, y: 0.5)
cell.bannerView.button.isIndicatingActivity = false
cell.bannerView.button.tintColor = tintColor
cell.bannerView.button.setTitle(NSLocalizedString("ACTIVATE", comment: ""), for: .normal)
cell.bannerView.button.removeTarget(self, action: nil, for: .primaryActionTriggered)
cell.bannerView.button.addTarget(self, action: #selector(MyAppsViewController.activateApp(_:)), for: .primaryActionTriggered)
cell.bannerView.titleLabel.text = installedApp.name
cell.bannerView.subtitleLabel.text = installedApp.storeApp?.developerName ?? NSLocalizedString("Sideloaded", comment: "")
// Make sure refresh button is correct size.
cell.layoutIfNeeded()
// Ensure no leftover progress from active apps cell reuse.
cell.bannerView.button.progress = nil
if let progress = AppManager.shared.refreshProgress(for: installedApp), progress.fractionCompleted < 1.0
{
cell.bannerView.button.progress = progress
}
else
{
cell.bannerView.button.progress = nil
}
}
dataSource.prefetchHandler = { (item, indexPath, completion) in
let fileURL = item.fileURL
return BlockOperation {
guard let application = ALTApplication(fileURL: fileURL) else {
completion(nil, OperationError.invalidApp)
return
}
let icon = application.icon
completion(icon, nil)
}
}
dataSource.prefetchCompletionHandler = { (cell, image, indexPath, error) in
let cell = cell as! InstalledAppCollectionViewCell
cell.bannerView.iconImageView.image = image
cell.bannerView.iconImageView.isIndicatingActivity = false
}
return dataSource
}
func updateDataSource()
{
if let patreonAccount = DatabaseManager.shared.patreonAccount(), patreonAccount.isPatron, PatreonAPI.shared.isAuthenticated
{
self.dataSource.predicate = nil
}
else
{
self.dataSource.predicate = NSPredicate(format: "%K == nil OR %K == NO OR %K == %@",
#keyPath(InstalledApp.storeApp),
#keyPath(InstalledApp.storeApp.isBeta),
#keyPath(InstalledApp.bundleIdentifier), StoreApp.altstoreAppID)
}
}
}
private extension MyAppsViewController
{
func update()
{
if self.updatesDataSource.itemCount > 0
{
self.navigationController?.tabBarItem.badgeValue = String(describing: self.updatesDataSource.itemCount)
UIApplication.shared.applicationIconBadgeNumber = Int(self.updatesDataSource.itemCount)
}
else
{
self.navigationController?.tabBarItem.badgeValue = nil
UIApplication.shared.applicationIconBadgeNumber = 0
}
if self.isViewLoaded
{
UIView.performWithoutAnimation {
self.collectionView.reloadSections(IndexSet(integer: Section.updates.rawValue))
}
}
}
func fetchAppIDs()
{
AppManager.shared.fetchAppIDs { (result) in
do
{
let (_, context) = try result.get()
try context.save()
}
catch
{
print("Failed to fetch App IDs.", error)
}
}
}
func refresh(_ installedApps: [InstalledApp], completionHandler: @escaping ([String : Result<InstalledApp, Error>]) -> Void)
{
let group = AppManager.shared.refresh(installedApps, presentingViewController: self, group: self.refreshGroup)
group.completionHandler = { (results) in
DispatchQueue.main.async {
let failures = results.compactMapValues { (result) -> Error? in
switch result
{
case .failure(OperationError.cancelled): return nil
case .failure(let error): return error
case .success: return nil
}
}
guard !failures.isEmpty else { return }
let toastView: ToastView
if let failure = failures.first, results.count == 1
{
toastView = ToastView(error: failure.value)
}
else
{
let localizedText: String
if failures.count == 1
{
localizedText = NSLocalizedString("Failed to refresh 1 app.", comment: "")
}
else
{
localizedText = String(format: NSLocalizedString("Failed to refresh %@ apps.", comment: ""), NSNumber(value: failures.count))
}
let error = failures.first?.value as NSError?
let detailText = error?.localizedFailure ?? error?.localizedFailureReason ?? error?.localizedDescription
toastView = ToastView(text: localizedText, detailText: detailText)
toastView.preferredDuration = 4.0
}
toastView.show(in: self)
}
self.refreshGroup = nil
completionHandler(results)
}
self.refreshGroup = group
UIView.performWithoutAnimation {
self.collectionView.reloadSections([Section.activeApps.rawValue, Section.inactiveApps.rawValue])
}
}
}
private extension MyAppsViewController
{
@IBAction func toggleAppUpdates(_ sender: UIButton)
{
let visibleCells = self.collectionView.visibleCells
self.collectionView.performBatchUpdates({
self.isUpdateSectionCollapsed.toggle()
UIView.animate(withDuration: 0.3, animations: {
if self.isUpdateSectionCollapsed
{
self.updatesDataSource.liveFetchLimit = maximumCollapsedUpdatesCount
self.expandedAppUpdates.removeAll()
for case let cell as UpdateCollectionViewCell in visibleCells
{
cell.mode = .collapsed
}
self.cachedUpdateSizes.removeAll()
sender.titleLabel?.transform = .identity
}
else
{
self.updatesDataSource.liveFetchLimit = 0
sender.titleLabel?.transform = CGAffineTransform.identity.rotated(by: .pi)
}
})
self.collectionView.collectionViewLayout.invalidateLayout()
}, completion: nil)
}
@IBAction func toggleUpdateCellMode(_ sender: UIButton)
{
let point = self.collectionView.convert(sender.center, from: sender.superview)
guard let indexPath = self.collectionView.indexPathForItem(at: point) else { return }
let installedApp = self.dataSource.item(at: indexPath)
let cell = self.collectionView.cellForItem(at: indexPath) as? UpdateCollectionViewCell
if self.expandedAppUpdates.contains(installedApp.bundleIdentifier)
{
self.expandedAppUpdates.remove(installedApp.bundleIdentifier)
cell?.mode = .collapsed
}
else
{
self.expandedAppUpdates.insert(installedApp.bundleIdentifier)
cell?.mode = .expanded
}
self.cachedUpdateSizes[installedApp.bundleIdentifier] = nil
self.collectionView.performBatchUpdates({
self.collectionView.collectionViewLayout.invalidateLayout()
}, completion: nil)
}
@IBAction func refreshApp(_ sender: UIButton)
{
let point = self.collectionView.convert(sender.center, from: sender.superview)
guard let indexPath = self.collectionView.indexPathForItem(at: point) else { return }
let installedApp = self.dataSource.item(at: indexPath)
self.refresh(installedApp)
}
@IBAction func refreshAllApps(_ sender: UIBarButtonItem)
{
self.isRefreshingAllApps = true
self.collectionView.collectionViewLayout.invalidateLayout()
let installedApps = InstalledApp.fetchAppsForRefreshingAll(in: DatabaseManager.shared.viewContext)
self.refresh(installedApps) { (result) in
DispatchQueue.main.async {
self.isRefreshingAllApps = false
self.collectionView.reloadSections([Section.activeApps.rawValue, Section.inactiveApps.rawValue])
}
}
}
@IBAction func updateApp(_ sender: UIButton)
{
let point = self.collectionView.convert(sender.center, from: sender.superview)
guard let indexPath = self.collectionView.indexPathForItem(at: point) else { return }
let installedApp = self.dataSource.item(at: indexPath)
let previousProgress = AppManager.shared.installationProgress(for: installedApp)
guard previousProgress == nil else {
previousProgress?.cancel()
return
}
_ = AppManager.shared.update(installedApp, presentingViewController: self) { (result) in
DispatchQueue.main.async {
switch result
{
case .failure(OperationError.cancelled):
self.collectionView.reloadItems(at: [indexPath])
case .failure(let error):
let toastView = ToastView(error: error)
toastView.show(in: self)
self.collectionView.reloadItems(at: [indexPath])
case .success:
print("Updated app:", installedApp.bundleIdentifier)
// No need to reload, since the the update cell is gone now.
}
self.update()
}
}
self.collectionView.reloadItems(at: [indexPath])
}
@IBAction func sideloadApp(_ sender: UIBarButtonItem)
{
let supportedTypes: [String]
if let types = UTTypeCreateAllIdentifiersForTag(kUTTagClassFilenameExtension, "ipa" as CFString, nil)?.takeRetainedValue()
{
supportedTypes = (types as NSArray).map { $0 as! String }
}
else
{
supportedTypes = ["com.apple.itunes.ipa"] // Declared by the system.
}
let documentPickerViewController = UIDocumentPickerViewController(documentTypes: supportedTypes, in: .import)
documentPickerViewController.delegate = self
self.present(documentPickerViewController, animated: true, completion: nil)
}
func sideloadApp(at fileURL: URL, completion: @escaping (Result<Void, Error>) -> Void)
{
let temporaryDirectory = FileManager.default.uniqueTemporaryURL()
self.navigationItem.leftBarButtonItem?.isIndicatingActivity = true
func finish(_ result: Result<ALTApplication, Error>)
{
try? FileManager.default.removeItem(at: temporaryDirectory)
DispatchQueue.main.async {
self.navigationItem.leftBarButtonItem?.isIndicatingActivity = false
self.sideloadingProgressView.observedProgress = nil
self.sideloadingProgressView.setHidden(true, animated: true)
switch result
{
case .success(let app):
print("Successfully installed app:", app.bundleIdentifier)
completion(.success(()))
case .failure(OperationError.cancelled): break
case .failure(let error):
let toastView = ToastView(error: error)
toastView.show(in: self)
completion(.failure(error))
}
}
}
DispatchQueue.global().async {
do
{
try FileManager.default.createDirectory(at: temporaryDirectory, withIntermediateDirectories: true, attributes: nil)
let unzippedApplicationURL = try FileManager.default.unzipAppBundle(at: fileURL, toDirectory: temporaryDirectory)
guard let application = ALTApplication(fileURL: unzippedApplicationURL) else { throw OperationError.invalidApp }
func install()
{
self.sideloadingProgress = AppManager.shared.install(application, presentingViewController: self) { (result) in
finish(result.map { _ in application })
}
DispatchQueue.main.async {
self.sideloadingProgressView.progress = 0
self.sideloadingProgressView.isHidden = false
self.sideloadingProgressView.observedProgress = self.sideloadingProgress
}
}
if !application.appExtensions.isEmpty
{
DispatchQueue.main.async {
let alertController = UIAlertController(title: NSLocalizedString("App Contains Extensions", comment: ""), message: NSLocalizedString("Free developer accounts are limited to 3 active apps and app extensions. Would you like to remove this app's app extensions so they don't count towards your limit?", comment: ""), preferredStyle: .alert)
alertController.addAction(UIAlertAction(title: UIAlertAction.cancel.title, style: UIAlertAction.cancel.style, handler: { (action) in
finish(.failure(OperationError.cancelled))
}))
alertController.addAction(UIAlertAction(title: NSLocalizedString("Keep App Extensions", comment: ""), style: .default) { (action) in
install()
})
alertController.addAction(UIAlertAction(title: NSLocalizedString("Remove App Extensions", comment: ""), style: .destructive) { (action) in
do
{
for appExtension in application.appExtensions
{
try FileManager.default.removeItem(at: appExtension.fileURL)
}
install()
}
catch
{
finish(.failure(error))
}
})
self.present(alertController, animated: true, completion: nil)
}
}
else
{
install()
}
}
catch
{
finish(.failure(error))
}
}
}
@IBAction func activateApp(_ sender: UIButton)
{
let point = self.collectionView.convert(sender.center, from: sender.superview)
guard let indexPath = self.collectionView.indexPathForItem(at: point) else { return }
let installedApp = self.dataSource.item(at: indexPath)
self.activate(installedApp)
}
@IBAction func deactivateApp(_ sender: UIButton)
{
let point = self.collectionView.convert(sender.center, from: sender.superview)
guard let indexPath = self.collectionView.indexPathForItem(at: point) else { return }
let installedApp = self.dataSource.item(at: indexPath)
self.deactivate(installedApp)
}
@objc func presentInactiveAppsAlert()
{
let alertController = UIAlertController(title: NSLocalizedString("What are inactive apps?", comment: ""), message: NSLocalizedString("Free developer accounts are limited to 3 apps and app extensions. Inactive apps don't count towards your total, but cannot be opened until activated.", comment: ""), preferredStyle: .alert)
alertController.addAction(.ok)
self.present(alertController, animated: true, completion: nil)
}
func updateCell(at indexPath: IndexPath)
{
guard let cell = collectionView.cellForItem(at: indexPath) as? InstalledAppCollectionViewCell else { return }
let installedApp = self.dataSource.item(at: indexPath)
self.dataSource.cellConfigurationHandler(cell, installedApp, indexPath)
cell.bannerView.iconImageView.isIndicatingActivity = false
}
}
private extension MyAppsViewController
{
func refresh(_ installedApp: InstalledApp)
{
let previousProgress = AppManager.shared.refreshProgress(for: installedApp)
guard previousProgress == nil else {
previousProgress?.cancel()
return
}
self.refresh([installedApp]) { (results) in
// If an error occured, reload the section so the progress bar is no longer visible.
if results.values.contains(where: { $0.error != nil })
{
DispatchQueue.main.async {
self.collectionView.reloadSections([Section.activeApps.rawValue, Section.inactiveApps.rawValue])
}
}
print("Finished refreshing with results:", results.map { ($0, $1.error?.localizedDescription ?? "success") })
}
}
func activate(_ installedApp: InstalledApp)
{
func activate()
{
installedApp.isActive = true
AppManager.shared.activate(installedApp, presentingViewController: self) { (result) in
do
{
let app = try result.get()
try? app.managedObjectContext?.save()
}
catch
{
print("Failed to activate app:", error)
DispatchQueue.main.async {
installedApp.isActive = false
let toastView = ToastView(error: error)
toastView.show(in: self)
}
}
}
}
if UserDefaults.standard.activeAppsLimit != nil
{
self.deactivateApps(for: installedApp) { (shouldContinue) in
if shouldContinue
{
activate()
}
else
{
installedApp.isActive = false
}
}
}
else
{
activate()
}
}
func deactivate(_ installedApp: InstalledApp, completionHandler: ((Result<InstalledApp, Error>) -> Void)? = nil)
{
guard installedApp.isActive else { return }
installedApp.isActive = false
AppManager.shared.deactivate(installedApp, presentingViewController: self) { (result) in
do
{
let app = try result.get()
try? app.managedObjectContext?.save()
print("Finished deactivating app:", app.bundleIdentifier)
}
catch
{
print("Failed to activate app:", error)
DispatchQueue.main.async {
installedApp.isActive = true
let toastView = ToastView(error: error)
toastView.show(in: self)
}
}
completionHandler?(result)
}
}
func deactivateApps(for installedApp: InstalledApp, completion: @escaping (Bool) -> Void)
{
guard let activeAppsLimit = UserDefaults.standard.activeAppsLimit else { return completion(true) }
let activeApps = InstalledApp.fetchActiveApps(in: DatabaseManager.shared.viewContext)
.filter { $0.bundleIdentifier != installedApp.bundleIdentifier } // Don't count app towards total if it matches activating app
let activeAppsCount = activeApps.map { $0.appIDCount }.reduce(0, +)
let availableActiveApps = max(activeAppsLimit - activeAppsCount, 0)
guard installedApp.appIDCount > availableActiveApps else { return completion(true) }
let alertController = UIAlertController(title: NSLocalizedString("Cannot Activate More than 3 Apps", comment: ""), message: NSLocalizedString("Free developer accounts are limited to 3 active apps and app extensions. Please choose an app to deactivate.", comment: ""), preferredStyle: .alert)
alertController.addAction(UIAlertAction(title: UIAlertAction.cancel.title, style: UIAlertAction.cancel.style) { (action) in
completion(false)
})
for app in activeApps where app.bundleIdentifier != StoreApp.altstoreAppID
{
alertController.addAction(UIAlertAction(title: app.name, style: .default) { (action) in
let availableActiveApps = availableActiveApps + app.appIDCount
if availableActiveApps >= installedApp.appIDCount
{
// There are enough slots now to activate the app, so pre-emptively
// mark it as active to provide visual feedback sooner.
installedApp.isActive = true
}
self.deactivate(app) { (result) in
installedApp.managedObjectContext?.perform {
switch result
{
case .failure:
installedApp.isActive = false
completion(false)
case .success:
self.deactivateApps(for: installedApp, completion: completion)
}
}
}
})
}
self.present(alertController, animated: true, completion: nil)
}
func remove(_ installedApp: InstalledApp)
{
let title = String(format: NSLocalizedString("Remove “%@” from AltStore?", comment: ""), installedApp.name)
let message: String
if UserDefaults.standard.isLegacyDeactivationSupported
{
message = NSLocalizedString("You must also delete it from the home screen to fully uninstall the app.", comment: "")
}
else
{
message = NSLocalizedString("This will also erase all backup data for this app.", comment: "")
}
let alertController = UIAlertController(title: title, message: message, preferredStyle: .actionSheet)
alertController.addAction(.cancel)
alertController.addAction(UIAlertAction(title: NSLocalizedString("Remove", comment: ""), style: .destructive, handler: { (action) in
AppManager.shared.remove(installedApp) { (result) in
switch result
{
case .success: break
case .failure(let error):
DispatchQueue.main.async {
let toastView = ToastView(error: error)
toastView.show(in: self)
}
}
}
}))
self.present(alertController, animated: true, completion: nil)
}
}
private extension MyAppsViewController
{
@objc func didFetchSource(_ notification: Notification)
{
DispatchQueue.main.async {
if self.updatesDataSource.fetchedResultsController.fetchedObjects == nil
{
do { try self.updatesDataSource.fetchedResultsController.performFetch() }
catch { print("Error fetching:", error) }
}
self.update()
}
}
@objc func importApp(_ notification: Notification)
{
// Make sure left UIBarButtonItem has been set.
self.loadViewIfNeeded()
guard let fileURL = notification.userInfo?[AppDelegate.importAppDeepLinkURLKey] as? URL else { return }
self.sideloadApp(at: fileURL) { (result) in
do
{
try FileManager.default.removeItem(at: fileURL)
}
catch
{
print("Unable to remove imported .ipa.", error)
}
}
}
}
extension MyAppsViewController
{
override func collectionView(_ collectionView: UICollectionView, viewForSupplementaryElementOfKind kind: String, at indexPath: IndexPath) -> UICollectionReusableView
{
let section = Section(rawValue: indexPath.section)!
switch section
{
case .noUpdates: return UICollectionReusableView()
case .updates:
let headerView = collectionView.dequeueReusableSupplementaryView(ofKind: UICollectionView.elementKindSectionHeader, withReuseIdentifier: "UpdatesHeader", for: indexPath) as! UpdatesCollectionHeaderView
UIView.performWithoutAnimation {
headerView.button.backgroundColor = UIColor.altPrimary.withAlphaComponent(0.15)
headerView.button.setTitle("", for: .normal)
headerView.button.titleLabel?.font = UIFont.boldSystemFont(ofSize: 28)
headerView.button.setTitleColor(.altPrimary, for: .normal)
headerView.button.addTarget(self, action: #selector(MyAppsViewController.toggleAppUpdates), for: .primaryActionTriggered)
if self.isUpdateSectionCollapsed
{
headerView.button.titleLabel?.transform = .identity
}
else
{
headerView.button.titleLabel?.transform = CGAffineTransform.identity.rotated(by: .pi)
}
headerView.isHidden = (self.updatesDataSource.itemCount <= 2)
headerView.button.layoutIfNeeded()
}
return headerView
case .activeApps where kind == UICollectionView.elementKindSectionHeader:
let headerView = collectionView.dequeueReusableSupplementaryView(ofKind: UICollectionView.elementKindSectionHeader, withReuseIdentifier: "ActiveAppsHeader", for: indexPath) as! InstalledAppsCollectionHeaderView
UIView.performWithoutAnimation {
headerView.layoutMargins.left = self.view.layoutMargins.left
headerView.layoutMargins.right = self.view.layoutMargins.right
if UserDefaults.standard.activeAppsLimit == nil
{
headerView.textLabel.text = NSLocalizedString("Installed", comment: "")
}
else
{
headerView.textLabel.text = NSLocalizedString("Active", comment: "")
}
headerView.button.isIndicatingActivity = false
headerView.button.activityIndicatorView.color = .altPrimary
headerView.button.setTitle(NSLocalizedString("Refresh All", comment: ""), for: .normal)
headerView.button.addTarget(self, action: #selector(MyAppsViewController.refreshAllApps(_:)), for: .primaryActionTriggered)
headerView.button.layoutIfNeeded()
headerView.button.isIndicatingActivity = self.isRefreshingAllApps
}
return headerView
case .inactiveApps where kind == UICollectionView.elementKindSectionHeader:
let headerView = collectionView.dequeueReusableSupplementaryView(ofKind: UICollectionView.elementKindSectionHeader, withReuseIdentifier: "InactiveAppsHeader", for: indexPath) as! InstalledAppsCollectionHeaderView
UIView.performWithoutAnimation {
headerView.layoutMargins.left = self.view.layoutMargins.left
headerView.layoutMargins.right = self.view.layoutMargins.right
headerView.textLabel.text = NSLocalizedString("Inactive", comment: "")
headerView.button.setTitle(nil, for: .normal)
if #available(iOS 13.0, *)
{
headerView.button.setImage(UIImage(systemName: "questionmark.circle"), for: .normal)
}
headerView.button.addTarget(self, action: #selector(MyAppsViewController.presentInactiveAppsAlert), for: .primaryActionTriggered)
}
return headerView
case .activeApps, .inactiveApps:
let footerView = collectionView.dequeueReusableSupplementaryView(ofKind: UICollectionView.elementKindSectionFooter, withReuseIdentifier: "InstalledAppsFooter", for: indexPath) as! InstalledAppsCollectionFooterView
guard let team = DatabaseManager.shared.activeTeam() else { return footerView }
switch team.type
{
case .free:
let registeredAppIDs = team.appIDs.count
let maximumAppIDCount = 10
let remainingAppIDs = max(maximumAppIDCount - registeredAppIDs, 0)
if remainingAppIDs == 1
{
footerView.textLabel.text = String(format: NSLocalizedString("1 App ID Remaining", comment: ""))
}
else
{
footerView.textLabel.text = String(format: NSLocalizedString("%@ App IDs Remaining", comment: ""), NSNumber(value: remainingAppIDs))
}
footerView.textLabel.isHidden = false
case .individual, .organization, .unknown: footerView.textLabel.isHidden = true
@unknown default: break
}
return footerView
}
}
override func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath)
{
let section = Section.allCases[indexPath.section]
switch section
{
case .updates:
guard let cell = collectionView.cellForItem(at: indexPath) else { break }
self.performSegue(withIdentifier: "showUpdate", sender: cell)
default: break
}
}
}
@available(iOS 13.0, *)
extension MyAppsViewController
{
private func actions(for installedApp: InstalledApp) -> [UIAction]
{
var actions = [UIAction]()
let refreshAction = UIAction(title: NSLocalizedString("Refresh", comment: ""), image: UIImage(systemName: "arrow.clockwise")) { (action) in
self.refresh(installedApp)
}
let activateAction = UIAction(title: NSLocalizedString("Activate", comment: ""), image: UIImage(systemName: "checkmark.circle")) { (action) in
self.activate(installedApp)
}
let deactivateAction = UIAction(title: NSLocalizedString("Deactivate", comment: ""), image: UIImage(systemName: "xmark.circle"), attributes: .destructive) { (action) in
self.deactivate(installedApp)
}
let removeAction = UIAction(title: NSLocalizedString("Remove", comment: ""), image: UIImage(systemName: "trash"), attributes: .destructive) { (action) in
self.remove(installedApp)
}
guard installedApp.bundleIdentifier != StoreApp.altstoreAppID else {
return [refreshAction]
}
if installedApp.isActive
{
actions.append(refreshAction)
actions.append(deactivateAction)
}
else
{
actions.append(activateAction)
}
#if DEBUG
if installedApp.bundleIdentifier != StoreApp.altstoreAppID
{
actions.append(removeAction)
}
#else
if (UserDefaults.standard.legacySideloadedApps ?? []).contains(installedApp.bundleIdentifier)
{
// Legacy sideloaded app, so can't detect if it's deleted.
actions.append(removeAction)
}
else if !UserDefaults.standard.isLegacyDeactivationSupported && !installedApp.isActive
{
// Inactive apps are actually deleted, so we need another way
// for user to remove them from AltStore.
actions.append(removeAction)
}
#endif
return actions
}
override func collectionView(_ collectionView: UICollectionView, contextMenuConfigurationForItemAt indexPath: IndexPath, point: CGPoint) -> UIContextMenuConfiguration?
{
let section = Section(rawValue: indexPath.section)!
switch section
{
case .updates, .noUpdates: return nil
case .activeApps, .inactiveApps:
let installedApp = self.dataSource.item(at: indexPath)
return UIContextMenuConfiguration(identifier: indexPath as NSIndexPath, previewProvider: nil) { (suggestedActions) -> UIMenu? in
let actions = self.actions(for: installedApp)
let menu = UIMenu(title: "", children: actions)
return menu
}
}
}
override func collectionView(_ collectionView: UICollectionView, previewForHighlightingContextMenuWithConfiguration configuration: UIContextMenuConfiguration) -> UITargetedPreview?
{
guard let indexPath = configuration.identifier as? NSIndexPath else { return nil }
guard let cell = collectionView.cellForItem(at: indexPath as IndexPath) as? InstalledAppCollectionViewCell else { return nil }
let parameters = UIPreviewParameters()
parameters.backgroundColor = .clear
parameters.visiblePath = UIBezierPath(roundedRect: cell.bannerView.bounds, cornerRadius: cell.bannerView.layer.cornerRadius)
let preview = UITargetedPreview(view: cell.bannerView, parameters: parameters)
return preview
}
override func collectionView(_ collectionView: UICollectionView, previewForDismissingContextMenuWithConfiguration configuration: UIContextMenuConfiguration) -> UITargetedPreview?
{
return self.collectionView(collectionView, previewForHighlightingContextMenuWithConfiguration: configuration)
}
}
extension MyAppsViewController: UICollectionViewDelegateFlowLayout
{
func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, sizeForItemAt indexPath: IndexPath) -> CGSize
{
let section = Section.allCases[indexPath.section]
switch section
{
case .noUpdates:
let size = CGSize(width: collectionView.bounds.width, height: 44)
return size
case .updates:
let item = self.dataSource.item(at: indexPath)
if let previousHeight = self.cachedUpdateSizes[item.bundleIdentifier]
{
return previousHeight
}
// Manually change cell's width to prevent conflicting with UIView-Encapsulated-Layout-Width constraints.
self.prototypeUpdateCell.frame.size.width = collectionView.bounds.width
let widthConstraint = self.prototypeUpdateCell.contentView.widthAnchor.constraint(equalToConstant: collectionView.bounds.width)
NSLayoutConstraint.activate([widthConstraint])
defer { NSLayoutConstraint.deactivate([widthConstraint]) }
self.dataSource.cellConfigurationHandler(self.prototypeUpdateCell, item, indexPath)
let size = self.prototypeUpdateCell.contentView.systemLayoutSizeFitting(UIView.layoutFittingCompressedSize)
self.cachedUpdateSizes[item.bundleIdentifier] = size
return size
case .activeApps, .inactiveApps:
return CGSize(width: collectionView.bounds.width, height: 88)
}
}
func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, referenceSizeForHeaderInSection section: Int) -> CGSize
{
let section = Section.allCases[section]
switch section
{
case .noUpdates: return .zero
case .updates:
let height: CGFloat = self.updatesDataSource.itemCount > maximumCollapsedUpdatesCount ? 26 : 0
return CGSize(width: collectionView.bounds.width, height: height)
case .activeApps: return CGSize(width: collectionView.bounds.width, height: 29)
case .inactiveApps where self.inactiveAppsDataSource.itemCount == 0: return .zero
case .inactiveApps: return CGSize(width: collectionView.bounds.width, height: 29)
}
}
func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, referenceSizeForFooterInSection section: Int) -> CGSize
{
let section = Section.allCases[section]
func appIDsFooterSize() -> CGSize
{
guard let _ = DatabaseManager.shared.activeTeam() else { return .zero }
let indexPath = IndexPath(row: 0, section: section.rawValue)
let footerView = self.collectionView(collectionView, viewForSupplementaryElementOfKind: UICollectionView.elementKindSectionFooter, at: indexPath) as! InstalledAppsCollectionFooterView
let size = footerView.systemLayoutSizeFitting(CGSize(width: collectionView.frame.width, height: UIView.layoutFittingExpandedSize.height),
withHorizontalFittingPriority: .required,
verticalFittingPriority: .fittingSizeLevel)
return size
}
switch section
{
case .noUpdates: return .zero
case .updates: return .zero
case .activeApps where self.inactiveAppsDataSource.itemCount == 0: return appIDsFooterSize()
case .activeApps: return .zero
case .inactiveApps where self.inactiveAppsDataSource.itemCount == 0: return .zero
case .inactiveApps: return appIDsFooterSize()
}
}
func collectionView(_ myCV: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, insetForSectionAt section: Int) -> UIEdgeInsets
{
let section = Section.allCases[section]
switch section
{
case .noUpdates where self.updatesDataSource.itemCount != 0: return .zero
case .updates where self.updatesDataSource.itemCount == 0: return .zero
default: return UIEdgeInsets(top: 12, left: 0, bottom: 20, right: 0)
}
}
}
extension MyAppsViewController: UICollectionViewDragDelegate
{
func collectionView(_ collectionView: UICollectionView, itemsForBeginning session: UIDragSession, at indexPath: IndexPath) -> [UIDragItem]
{
switch Section(rawValue: indexPath.section)!
{
case .updates, .noUpdates:
return []
case .activeApps, .inactiveApps:
guard UserDefaults.standard.activeAppsLimit != nil else { return [] }
guard let cell = collectionView.cellForItem(at: indexPath as IndexPath) as? InstalledAppCollectionViewCell else { return [] }
let item = self.dataSource.item(at: indexPath)
guard item.bundleIdentifier != StoreApp.altstoreAppID else { return [] }
let dragItem = UIDragItem(itemProvider: NSItemProvider(item: nil, typeIdentifier: nil))
dragItem.localObject = item
dragItem.previewProvider = {
let parameters = UIDragPreviewParameters()
parameters.backgroundColor = .clear
parameters.visiblePath = UIBezierPath(roundedRect: cell.bannerView.iconImageView.bounds, cornerRadius: cell.bannerView.iconImageView.layer.cornerRadius)
let preview = UIDragPreview(view: cell.bannerView.iconImageView, parameters: parameters)
return preview
}
return [dragItem]
}
}
func collectionView(_ collectionView: UICollectionView, dragPreviewParametersForItemAt indexPath: IndexPath) -> UIDragPreviewParameters?
{
guard let cell = collectionView.cellForItem(at: indexPath as IndexPath) as? InstalledAppCollectionViewCell else { return nil }
let parameters = UIDragPreviewParameters()
parameters.backgroundColor = .clear
parameters.visiblePath = UIBezierPath(roundedRect: cell.bannerView.frame, cornerRadius: cell.bannerView.layer.cornerRadius)
return parameters
}
func collectionView(_ collectionView: UICollectionView, dragSessionDidEnd session: UIDragSession)
{
let previousDestinationIndexPath = self.dropDestinationIndexPath
self.dropDestinationIndexPath = nil
if let indexPath = previousDestinationIndexPath
{
// Access cell directly to prevent UI glitches due to race conditions when refreshing
self.updateCell(at: indexPath)
}
}
}
extension MyAppsViewController: UICollectionViewDropDelegate
{
func collectionView(_ collectionView: UICollectionView, canHandle session: UIDropSession) -> Bool
{
return session.localDragSession != nil
}
func collectionView(_ collectionView: UICollectionView, dropSessionDidUpdate session: UIDropSession, withDestinationIndexPath destinationIndexPath: IndexPath?) -> UICollectionViewDropProposal
{
guard
let activeAppsLimit = UserDefaults.standard.activeAppsLimit,
let installedApp = session.items.first?.localObject as? InstalledApp
else { return UICollectionViewDropProposal(operation: .cancel) }
// Retrieve header attributes for location calculations.
guard
let activeAppsHeaderAttributes = collectionView.layoutAttributesForSupplementaryElement(ofKind: UICollectionView.elementKindSectionHeader, at: IndexPath(item: 0, section: Section.activeApps.rawValue)),
let inactiveAppsHeaderAttributes = collectionView.layoutAttributesForSupplementaryElement(ofKind: UICollectionView.elementKindSectionHeader, at: IndexPath(item: 0, section: Section.inactiveApps.rawValue))
else { return UICollectionViewDropProposal(operation: .cancel) }
var dropDestinationIndexPath: IndexPath? = nil
defer
{
// Animate selection changes.
if dropDestinationIndexPath != self.dropDestinationIndexPath
{
let previousIndexPath = self.dropDestinationIndexPath
self.dropDestinationIndexPath = dropDestinationIndexPath
let indexPaths = [previousIndexPath, dropDestinationIndexPath].compactMap { $0 }
let propertyAnimator = UIViewPropertyAnimator(springTimingParameters: UISpringTimingParameters()) {
for indexPath in indexPaths
{
// Access cell directly so we can animate it correctly.
self.updateCell(at: indexPath)
}
}
propertyAnimator.startAnimation()
}
}
let point = session.location(in: collectionView)
if installedApp.isActive
{
// Deactivating
if point.y > inactiveAppsHeaderAttributes.frame.minY
{
// Inactive apps section.
return UICollectionViewDropProposal(operation: .copy, intent: .insertAtDestinationIndexPath)
}
else if point.y > activeAppsHeaderAttributes.frame.minY
{
// Active apps section.
return UICollectionViewDropProposal(operation: .move, intent: .insertAtDestinationIndexPath)
}
else
{
return UICollectionViewDropProposal(operation: .cancel)
}
}
else
{
// Activating
guard point.y > activeAppsHeaderAttributes.frame.minY else {
// Above active apps section.
return UICollectionViewDropProposal(operation: .cancel)
}
guard point.y < inactiveAppsHeaderAttributes.frame.minY else {
// Inactive apps section.
return UICollectionViewDropProposal(operation: .move, intent: .insertAtDestinationIndexPath)
}
let activeAppsCount = (self.activeAppsDataSource.fetchedResultsController.fetchedObjects ?? []).map { $0.appIDCount }.reduce(0, +)
let availableActiveApps = max(activeAppsLimit - activeAppsCount, 0)
if installedApp.appIDCount <= availableActiveApps
{
// Enough active app slots, so no need to deactivate app first.
return UICollectionViewDropProposal(operation: .copy, intent: .insertAtDestinationIndexPath)
}
else
{
// Not enough active app slots, so we need to deactivate an app.
// Provided destinationIndexPath is inaccurate.
guard let indexPath = collectionView.indexPathForItem(at: point), indexPath.section == Section.activeApps.rawValue else {
// Invalid destination index path.
return UICollectionViewDropProposal(operation: .cancel)
}
let installedApp = self.dataSource.item(at: indexPath)
guard installedApp.bundleIdentifier != StoreApp.altstoreAppID else {
// Can't deactivate AltStore.
return UICollectionViewDropProposal(operation: .forbidden, intent: .insertIntoDestinationIndexPath)
}
// This app can be deactivated!
dropDestinationIndexPath = indexPath
return UICollectionViewDropProposal(operation: .move, intent: .insertIntoDestinationIndexPath)
}
}
}
func collectionView(_ collectionView: UICollectionView, performDropWith coordinator: UICollectionViewDropCoordinator)
{
guard let installedApp = coordinator.session.items.first?.localObject as? InstalledApp else { return }
guard let destinationIndexPath = coordinator.destinationIndexPath else { return }
if installedApp.isActive
{
guard destinationIndexPath.section == Section.inactiveApps.rawValue else { return }
self.deactivate(installedApp)
}
else
{
guard destinationIndexPath.section == Section.activeApps.rawValue else { return }
switch coordinator.proposal.intent
{
case .insertIntoDestinationIndexPath:
installedApp.isActive = true
let previousInstalledApp = self.dataSource.item(at: destinationIndexPath)
self.deactivate(previousInstalledApp) { (result) in
installedApp.managedObjectContext?.perform {
switch result
{
case .failure: installedApp.isActive = false
case .success: self.activate(installedApp)
}
}
}
case .insertAtDestinationIndexPath:
self.activate(installedApp)
case .unspecified: break
@unknown default: break
}
}
}
}
extension MyAppsViewController: NSFetchedResultsControllerDelegate
{
func controllerWillChangeContent(_ controller: NSFetchedResultsController<NSFetchRequestResult>)
{
// Responding to NSFetchedResultsController updates before the collection view has
// been shown may throw exceptions because the collection view cannot accurately
// count the number of items before the update. However, if we manually call
// performBatchUpdates _before_ responding to updates, the collection view can get
// an accurate pre-update item count.
self.collectionView.performBatchUpdates(nil, completion: nil)
self.updatesDataSource.controllerWillChangeContent(controller)
}
func controller(_ controller: NSFetchedResultsController<NSFetchRequestResult>, didChange sectionInfo: NSFetchedResultsSectionInfo, atSectionIndex sectionIndex: Int, for type: NSFetchedResultsChangeType)
{
self.updatesDataSource.controller(controller, didChange: sectionInfo, atSectionIndex: UInt(sectionIndex), for: type)
}
func controller(_ controller: NSFetchedResultsController<NSFetchRequestResult>, didChange anObject: Any, at indexPath: IndexPath?, for type: NSFetchedResultsChangeType, newIndexPath: IndexPath?)
{
self.updatesDataSource.controller(controller, didChange: anObject, at: indexPath, for: type, newIndexPath: newIndexPath)
}
func controllerDidChangeContent(_ controller: NSFetchedResultsController<NSFetchRequestResult>)
{
let previousUpdateCount = self.collectionView.numberOfItems(inSection: Section.updates.rawValue)
let updateCount = Int(self.updatesDataSource.itemCount)
if previousUpdateCount == 0 && updateCount > 0
{
// Remove "No Updates Available" cell.
let change = RSTCellContentChange(type: .delete, currentIndexPath: IndexPath(item: 0, section: Section.noUpdates.rawValue), destinationIndexPath: nil)
self.collectionView.add(change)
}
else if previousUpdateCount > 0 && updateCount == 0
{
// Insert "No Updates Available" cell.
let change = RSTCellContentChange(type: .insert, currentIndexPath: nil, destinationIndexPath: IndexPath(item: 0, section: Section.noUpdates.rawValue))
self.collectionView.add(change)
}
self.updatesDataSource.controllerDidChangeContent(controller)
}
}
extension MyAppsViewController: UIDocumentPickerDelegate
{
func documentPicker(_ controller: UIDocumentPickerViewController, didPickDocumentsAt urls: [URL])
{
guard let fileURL = urls.first else { return }
self.sideloadApp(at: fileURL) { (result) in
print("Sideloaded app at \(fileURL) with result:", result)
}
}
}
extension MyAppsViewController: UIViewControllerPreviewingDelegate
{
func previewingContext(_ previewingContext: UIViewControllerPreviewing, viewControllerForLocation location: CGPoint) -> UIViewController?
{
guard
let indexPath = self.collectionView.indexPathForItem(at: location),
let cell = self.collectionView.cellForItem(at: indexPath)
else { return nil }
let section = Section.allCases[indexPath.section]
switch section
{
case .updates:
previewingContext.sourceRect = cell.frame
let app = self.dataSource.item(at: indexPath)
guard let storeApp = app.storeApp else { return nil}
let appViewController = AppViewController.makeAppViewController(app: storeApp)
return appViewController
default: return nil
}
}
func previewingContext(_ previewingContext: UIViewControllerPreviewing, commit viewControllerToCommit: UIViewController)
{
let point = CGPoint(x: previewingContext.sourceRect.midX, y: previewingContext.sourceRect.midY)
guard let indexPath = self.collectionView.indexPathForItem(at: point), let cell = self.collectionView.cellForItem(at: indexPath) else { return }
self.performSegue(withIdentifier: "showUpdate", sender: cell)
}
}