mirror of
https://github.com/SideStore/SideStore.git
synced 2026-02-09 06:43:25 +01:00
d718d2155f
We now store the latest supported version as a relationship on StoreApp, rather than the latest available version. This allows us to reference the latest supported version in predicates and sort descriptors. However, we kept the underlying Core Data property name the same to avoid extra migration.
372 lines
14 KiB
Swift
372 lines
14 KiB
Swift
//
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// BrowseViewController.swift
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// AltStore
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//
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// Created by Riley Testut on 7/15/19.
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// Copyright © 2019 Riley Testut. All rights reserved.
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//
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import UIKit
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import minimuxer
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import AltStoreCore
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import Roxas
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import Nuke
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class BrowseViewController: UICollectionViewController
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{
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private lazy var dataSource = self.makeDataSource()
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private lazy var placeholderView = RSTPlaceholderView(frame: .zero)
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private let prototypeCell = BrowseCollectionViewCell.instantiate(with: BrowseCollectionViewCell.nib!)!
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private var loadingState: LoadingState = .loading {
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didSet {
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self.update()
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}
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}
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private var cachedItemSizes = [String: CGSize]()
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@IBOutlet private var sourcesBarButtonItem: UIBarButtonItem!
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override func viewDidLoad()
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{
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super.viewDidLoad()
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#if BETA
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self.dataSource.searchController.searchableKeyPaths = [#keyPath(InstalledApp.name)]
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self.navigationItem.searchController = self.dataSource.searchController
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#endif
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self.prototypeCell.contentView.translatesAutoresizingMaskIntoConstraints = false
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self.collectionView.register(BrowseCollectionViewCell.nib, forCellWithReuseIdentifier: RSTCellContentGenericCellIdentifier)
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self.collectionView.dataSource = self.dataSource
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self.collectionView.prefetchDataSource = self.dataSource
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self.registerForPreviewing(with: self, sourceView: self.collectionView)
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self.update()
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}
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override func viewWillAppear(_ animated: Bool)
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{
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super.viewWillAppear(animated)
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self.fetchSource()
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self.updateDataSource()
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self.update()
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}
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@IBAction private func unwindFromSourcesViewController(_ segue: UIStoryboardSegue)
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{
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self.fetchSource()
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}
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}
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private extension BrowseViewController
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{
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func makeDataSource() -> RSTFetchedResultsCollectionViewPrefetchingDataSource<StoreApp, UIImage>
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{
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let fetchRequest = StoreApp.fetchRequest() as NSFetchRequest<StoreApp>
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fetchRequest.sortDescriptors = [NSSortDescriptor(keyPath: \StoreApp.sourceIdentifier, ascending: true),
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NSSortDescriptor(keyPath: \StoreApp.sortIndex, ascending: true),
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NSSortDescriptor(keyPath: \StoreApp.name, ascending: true),
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NSSortDescriptor(keyPath: \StoreApp.bundleIdentifier, ascending: true)]
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fetchRequest.returnsObjectsAsFaults = false
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fetchRequest.predicate = NSPredicate(format: "%K != %@", #keyPath(StoreApp.bundleIdentifier), StoreApp.altstoreAppID)
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let dataSource = RSTFetchedResultsCollectionViewPrefetchingDataSource<StoreApp, UIImage>(fetchRequest: fetchRequest, managedObjectContext: DatabaseManager.shared.viewContext)
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dataSource.cellConfigurationHandler = { (cell, app, indexPath) in
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let cell = cell as! BrowseCollectionViewCell
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cell.layoutMargins.left = self.view.layoutMargins.left
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cell.layoutMargins.right = self.view.layoutMargins.right
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cell.subtitleLabel.text = app.subtitle
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cell.imageURLs = Array(app.screenshotURLs.prefix(2))
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cell.bannerView.configure(for: app)
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cell.bannerView.iconImageView.image = nil
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cell.bannerView.iconImageView.isIndicatingActivity = true
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cell.bannerView.button.addTarget(self, action: #selector(BrowseViewController.performAppAction(_:)), for: .primaryActionTriggered)
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cell.bannerView.button.activityIndicatorView.style = .medium
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// Explicitly set to false to ensure we're starting from a non-activity indicating state.
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// Otherwise, cell reuse can mess up some cached values.
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cell.bannerView.button.isIndicatingActivity = false
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let tintColor = app.tintColor ?? .altPrimary
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cell.tintColor = tintColor
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if app.installedApp == nil
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{
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let buttonTitle = NSLocalizedString("Free", comment: "")
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cell.bannerView.button.setTitle(buttonTitle.uppercased(), for: .normal)
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cell.bannerView.button.accessibilityLabel = String(format: NSLocalizedString("Download %@", comment: ""), app.name)
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cell.bannerView.button.accessibilityValue = buttonTitle
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let progress = AppManager.shared.installationProgress(for: app)
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cell.bannerView.button.progress = progress
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if let versionDate = app.latestSupportedVersion?.date, versionDate > Date()
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{
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cell.bannerView.button.countdownDate = versionDate
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}
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else
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{
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cell.bannerView.button.countdownDate = nil
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}
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}
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else
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{
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cell.bannerView.button.setTitle(NSLocalizedString("OPEN", comment: ""), for: .normal)
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cell.bannerView.button.accessibilityLabel = String(format: NSLocalizedString("Open %@", comment: ""), app.name)
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cell.bannerView.button.accessibilityValue = nil
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cell.bannerView.button.progress = nil
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cell.bannerView.button.countdownDate = nil
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}
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}
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dataSource.prefetchHandler = { (storeApp, indexPath, completionHandler) -> Foundation.Operation? in
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let iconURL = storeApp.iconURL
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return RSTAsyncBlockOperation() { (operation) in
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ImagePipeline.shared.loadImage(with: iconURL, progress: nil, completion: { (response, error) in
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guard !operation.isCancelled else { return operation.finish() }
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if let image = response?.image
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{
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completionHandler(image, nil)
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}
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else
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{
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completionHandler(nil, error)
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}
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})
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}
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}
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dataSource.prefetchCompletionHandler = { (cell, image, indexPath, error) in
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let cell = cell as! BrowseCollectionViewCell
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cell.bannerView.iconImageView.isIndicatingActivity = false
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cell.bannerView.iconImageView.image = image
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if let error = error
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{
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print("Error loading image:", error)
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}
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}
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dataSource.placeholderView = self.placeholderView
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return dataSource
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}
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func updateDataSource()
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{
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self.dataSource.predicate = nil
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}
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func fetchSource()
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{
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self.loadingState = .loading
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AppManager.shared.fetchSources() { (result) in
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do
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{
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do
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{
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let (_, context) = try result.get()
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try context.save()
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DispatchQueue.main.async {
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self.loadingState = .finished(.success(()))
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}
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}
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catch let error as AppManager.FetchSourcesError
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{
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try error.managedObjectContext?.save()
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throw error
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}
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}
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catch
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{
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DispatchQueue.main.async {
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if self.dataSource.itemCount > 0
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{
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let toastView = ToastView(error: error)
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toastView.addTarget(nil, action: #selector(TabBarController.presentSources), for: .touchUpInside)
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toastView.show(in: self)
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}
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self.loadingState = .finished(.failure(error))
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}
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}
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}
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}
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func update()
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{
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switch self.loadingState
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{
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case .loading:
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self.placeholderView.textLabel.isHidden = true
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self.placeholderView.detailTextLabel.isHidden = false
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self.placeholderView.detailTextLabel.text = NSLocalizedString("Loading...", comment: "")
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self.placeholderView.activityIndicatorView.startAnimating()
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case .finished(.failure(let error)):
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self.placeholderView.textLabel.isHidden = false
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self.placeholderView.detailTextLabel.isHidden = false
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self.placeholderView.textLabel.text = NSLocalizedString("Unable to Fetch Apps", comment: "")
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self.placeholderView.detailTextLabel.text = error.localizedDescription
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self.placeholderView.activityIndicatorView.stopAnimating()
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case .finished(.success):
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self.placeholderView.textLabel.isHidden = true
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self.placeholderView.detailTextLabel.isHidden = true
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self.placeholderView.activityIndicatorView.stopAnimating()
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}
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}
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}
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private extension BrowseViewController
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{
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@IBAction func performAppAction(_ sender: PillButton)
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{
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let point = self.collectionView.convert(sender.center, from: sender.superview)
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guard let indexPath = self.collectionView.indexPathForItem(at: point) else { return }
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let app = self.dataSource.item(at: indexPath)
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if let installedApp = app.installedApp
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{
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self.open(installedApp)
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}
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else
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{
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self.install(app, at: indexPath)
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}
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}
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func install(_ app: StoreApp, at indexPath: IndexPath)
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{
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let previousProgress = AppManager.shared.installationProgress(for: app)
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guard previousProgress == nil else {
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previousProgress?.cancel()
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return
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}
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if !minimuxer.ready() {
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let toastView = ToastView(error: MinimuxerError.NoConnection)
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toastView.show(in: self)
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return
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}
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_ = AppManager.shared.install(app, presentingViewController: self) { (result) in
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DispatchQueue.main.async {
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switch result
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{
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case .failure(OperationError.cancelled): break // Ignore
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case .failure(let error):
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let toastView = ToastView(error: error, opensLog: true)
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toastView.show(in: self)
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case .success: print("Installed app:", app.bundleIdentifier)
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}
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self.collectionView.reloadItems(at: [indexPath])
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}
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}
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self.collectionView.reloadItems(at: [indexPath])
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}
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func open(_ installedApp: InstalledApp)
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{
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UIApplication.shared.open(installedApp.openAppURL)
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}
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}
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extension BrowseViewController: UICollectionViewDelegateFlowLayout
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{
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func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, sizeForItemAt indexPath: IndexPath) -> CGSize
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{
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let item = self.dataSource.item(at: indexPath)
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if let previousSize = self.cachedItemSizes[item.bundleIdentifier]
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{
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return previousSize
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}
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let maxVisibleScreenshots = 2 as CGFloat
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let aspectRatio: CGFloat = 16.0 / 9.0
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let layout = self.prototypeCell.screenshotsCollectionView.collectionViewLayout as! UICollectionViewFlowLayout
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let padding = (layout.minimumInteritemSpacing * (maxVisibleScreenshots - 1)) + layout.sectionInset.left + layout.sectionInset.right
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self.dataSource.cellConfigurationHandler(self.prototypeCell, item, indexPath)
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let widthConstraint = self.prototypeCell.contentView.widthAnchor.constraint(equalToConstant: collectionView.bounds.width)
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widthConstraint.isActive = true
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defer { widthConstraint.isActive = false }
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// Manually update cell width & layout so we can accurately calculate screenshot sizes.
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self.prototypeCell.frame.size.width = widthConstraint.constant
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self.prototypeCell.layoutIfNeeded()
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let collectionViewWidth = self.prototypeCell.screenshotsCollectionView.bounds.width
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let screenshotWidth = ((collectionViewWidth - padding) / maxVisibleScreenshots).rounded(.down)
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let screenshotHeight = screenshotWidth * aspectRatio
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let heightConstraint = self.prototypeCell.screenshotsCollectionView.heightAnchor.constraint(equalToConstant: screenshotHeight)
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heightConstraint.priority = .defaultHigh // Prevent temporary unsatisfiable constraints error.
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heightConstraint.isActive = true
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defer { heightConstraint.isActive = false }
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let itemSize = self.prototypeCell.contentView.systemLayoutSizeFitting(UIView.layoutFittingCompressedSize)
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self.cachedItemSizes[item.bundleIdentifier] = itemSize
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return itemSize
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}
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override func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath)
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{
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let app = self.dataSource.item(at: indexPath)
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let appViewController = AppViewController.makeAppViewController(app: app)
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self.navigationController?.pushViewController(appViewController, animated: true)
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}
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}
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extension BrowseViewController: UIViewControllerPreviewingDelegate
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{
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func previewingContext(_ previewingContext: UIViewControllerPreviewing, viewControllerForLocation location: CGPoint) -> UIViewController?
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{
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guard
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let indexPath = self.collectionView.indexPathForItem(at: location),
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let cell = self.collectionView.cellForItem(at: indexPath)
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else { return nil }
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previewingContext.sourceRect = cell.frame
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let app = self.dataSource.item(at: indexPath)
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let appViewController = AppViewController.makeAppViewController(app: app)
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return appViewController
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}
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func previewingContext(_ previewingContext: UIViewControllerPreviewing, commit viewControllerToCommit: UIViewController)
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{
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self.navigationController?.pushViewController(viewControllerToCommit, animated: true)
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}
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}
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