mirror of
https://github.com/SideStore/SideStore.git
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3e70cfc996
Also refactors BannerCollectionViewCell to AppBannerCollectionViewCell to support initializing from code.
654 lines
28 KiB
Swift
654 lines
28 KiB
Swift
//
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// SourcesViewController.swift
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// AltStore
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//
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// Created by Riley Testut on 3/17/20.
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// Copyright © 2020 Riley Testut. All rights reserved.
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//
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import UIKit
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import CoreData
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import AltStoreCore
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import Roxas
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@objc(SourcesFooterView)
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private class SourcesFooterView: TextCollectionReusableView
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{
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@IBOutlet var activityIndicatorView: UIActivityIndicatorView!
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@IBOutlet var textView: UITextView!
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}
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extension SourcesViewController
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{
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private enum Section: Int, CaseIterable
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{
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case added
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case trusted
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}
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}
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class SourcesViewController: UICollectionViewController
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{
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var deepLinkSourceURL: URL? {
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didSet {
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guard let sourceURL = self.deepLinkSourceURL else { return }
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self.addSource(url: sourceURL)
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}
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}
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private lazy var dataSource = self.makeDataSource()
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private lazy var addedSourcesDataSource = self.makeAddedSourcesDataSource()
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private lazy var trustedSourcesDataSource = self.makeTrustedSourcesDataSource()
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private var fetchTrustedSourcesOperation: FetchTrustedSourcesOperation?
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private var fetchTrustedSourcesResult: Result<Void, Error>?
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private var _fetchTrustedSourcesContext: NSManagedObjectContext?
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override func viewDidLoad()
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{
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super.viewDidLoad()
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self.view.tintColor = .altPrimary
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self.navigationController?.view.tintColor = .altPrimary
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if let navigationBar = self.navigationController?.navigationBar as? NavigationBar
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{
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// Don't automatically adjust item positions when being presented non-full screen,
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// or else the navigation bar content won't be vertically centered.
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navigationBar.automaticallyAdjustsItemPositions = false
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}
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self.collectionView.dataSource = self.dataSource
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#if !BETA
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// Hide "Add Source" button for public version while in beta.
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self.navigationItem.leftBarButtonItem = nil
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#endif
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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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if self.deepLinkSourceURL != nil
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{
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self.navigationItem.leftBarButtonItem?.isIndicatingActivity = true
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}
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if self.fetchTrustedSourcesOperation == nil
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{
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self.fetchTrustedSources()
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}
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}
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override func viewDidAppear(_ animated: Bool)
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{
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super.viewDidAppear(animated)
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if let sourceURL = self.deepLinkSourceURL
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{
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self.addSource(url: sourceURL)
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}
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}
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}
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private extension SourcesViewController
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{
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func makeDataSource() -> RSTCompositeCollectionViewDataSource<Source>
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{
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let dataSource = RSTCompositeCollectionViewDataSource<Source>(dataSources: [self.addedSourcesDataSource, self.trustedSourcesDataSource])
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dataSource.proxy = self
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dataSource.cellConfigurationHandler = { (cell, source, indexPath) in
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let tintColor = UIColor.altPrimary
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let cell = cell as! AppBannerCollectionViewCell
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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.tintColor = tintColor
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cell.bannerView.iconImageView.isHidden = true
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cell.bannerView.buttonLabel.isHidden = true
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cell.bannerView.button.isIndicatingActivity = false
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switch Section.allCases[indexPath.section]
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{
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case .added:
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cell.bannerView.button.isHidden = true
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case .trusted:
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// Quicker way to determine whether a source is already added than by reading from disk.
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if (self.addedSourcesDataSource.fetchedResultsController.fetchedObjects ?? []).contains(where: { $0.identifier == source.identifier })
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{
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// Source exists in .added section, so hide the button.
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cell.bannerView.button.isHidden = true
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let configuation = UIImage.SymbolConfiguration(pointSize: 24)
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let imageAttachment = NSTextAttachment()
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imageAttachment.image = UIImage(systemName: "checkmark.circle", withConfiguration: configuation)?.withTintColor(.altPrimary)
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let attributedText = NSAttributedString(attachment: imageAttachment)
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cell.bannerView.buttonLabel.attributedText = attributedText
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cell.bannerView.buttonLabel.textAlignment = .center
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cell.bannerView.buttonLabel.isHidden = false
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}
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else
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{
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// Source does not exist in .added section, so show the button.
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cell.bannerView.button.isHidden = false
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cell.bannerView.buttonLabel.attributedText = nil
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}
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cell.bannerView.button.setTitle(NSLocalizedString("ADD", comment: ""), for: .normal)
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cell.bannerView.button.addTarget(self, action: #selector(SourcesViewController.addTrustedSource(_:)), for: .primaryActionTriggered)
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}
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cell.bannerView.titleLabel.text = source.name
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cell.bannerView.subtitleLabel.text = source.sourceURL.absoluteString
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cell.bannerView.subtitleLabel.numberOfLines = 2
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cell.errorBadge?.isHidden = (source.error == nil)
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let attributedLabel = NSAttributedString(string: source.name + "\n" + source.sourceURL.absoluteString, attributes: [.accessibilitySpeechPunctuation: true])
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cell.bannerView.accessibilityAttributedLabel = attributedLabel
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cell.bannerView.accessibilityTraits.remove(.button)
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// Make sure refresh button is correct size.
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cell.layoutIfNeeded()
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}
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return dataSource
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}
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func makeAddedSourcesDataSource() -> RSTFetchedResultsCollectionViewDataSource<Source>
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{
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let fetchRequest = Source.fetchRequest() as NSFetchRequest<Source>
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fetchRequest.returnsObjectsAsFaults = false
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fetchRequest.sortDescriptors = [NSSortDescriptor(keyPath: \Source.name, ascending: true),
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NSSortDescriptor(keyPath: \Source.sourceURL, ascending: true),
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NSSortDescriptor(keyPath: \Source.identifier, ascending: true)]
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let dataSource = RSTFetchedResultsCollectionViewDataSource<Source>(fetchRequest: fetchRequest, managedObjectContext: DatabaseManager.shared.viewContext)
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return dataSource
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}
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func makeTrustedSourcesDataSource() -> RSTArrayCollectionViewDataSource<Source>
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{
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let dataSource = RSTArrayCollectionViewDataSource<Source>(items: [])
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return dataSource
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}
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}
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private extension SourcesViewController
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{
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@IBAction func addSource()
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{
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let alertController = UIAlertController(title: NSLocalizedString("Add Source", comment: ""), message: nil, preferredStyle: .alert)
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alertController.addTextField { (textField) in
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textField.placeholder = "https://apps.altstore.io"
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textField.textContentType = .URL
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}
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alertController.addAction(.cancel)
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alertController.addAction(UIAlertAction(title: NSLocalizedString("Add", comment: ""), style: .default) { (action) in
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guard let text = alertController.textFields![0].text else { return }
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guard var sourceURL = URL(string: text) else { return }
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if sourceURL.scheme == nil {
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guard let httpsSourceURL = URL(string: "https://" + text) else { return }
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sourceURL = httpsSourceURL
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}
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self.navigationItem.leftBarButtonItem?.isIndicatingActivity = true
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self.addSource(url: sourceURL) { _ in
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self.navigationItem.leftBarButtonItem?.isIndicatingActivity = false
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}
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})
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self.present(alertController, animated: true, completion: nil)
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}
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func addSource(url: URL, isTrusted: Bool = false, completionHandler: ((Result<Void, Error>) -> Void)? = nil)
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{
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guard self.view.window != nil else { return }
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if url == self.deepLinkSourceURL
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{
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// Only handle deep link once.
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self.deepLinkSourceURL = nil
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}
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func finish(_ result: Result<Void, Error>)
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{
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DispatchQueue.main.async {
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switch result
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{
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case .success: break
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case .failure(OperationError.cancelled): break
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case .failure(var error as SourceError):
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let title = String(format: NSLocalizedString("“%@” could not be added to AltStore.", comment: ""), error.$source.name)
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error.errorTitle = title
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self.present(error)
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case .failure(let error as NSError):
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self.present(error.withLocalizedTitle(NSLocalizedString("Unable to Add Source", comment: "")))
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}
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self.collectionView.reloadSections([Section.trusted.rawValue])
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completionHandler?(result)
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}
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}
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var dependencies: [Foundation.Operation] = []
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if let fetchTrustedSourcesOperation = self.fetchTrustedSourcesOperation
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{
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// Must fetch trusted sources first to determine whether this is a trusted source.
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// We assume fetchTrustedSources() has already been called before this method.
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dependencies = [fetchTrustedSourcesOperation]
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}
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AppManager.shared.fetchSource(sourceURL: url, dependencies: dependencies) { (result) in
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do
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{
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let source = try result.get()
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let sourceName = source.name
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let managedObjectContext = source.managedObjectContext
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// Hide warning when adding a featured trusted source.
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let message = isTrusted ? nil : NSLocalizedString("Make sure to only add sources that you trust.", comment: "")
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DispatchQueue.main.async {
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let alertController = UIAlertController(title: String(format: NSLocalizedString("Would you like to add the source “%@”?", comment: ""), sourceName),
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message: message, preferredStyle: .alert)
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alertController.addAction(UIAlertAction(title: UIAlertAction.cancel.title, style: UIAlertAction.cancel.style) { _ in
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finish(.failure(OperationError.cancelled))
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})
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alertController.addAction(UIAlertAction(title: NSLocalizedString("Add Source", comment: ""), style: UIAlertAction.ok.style) { _ in
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managedObjectContext?.perform {
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do
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{
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try managedObjectContext?.save()
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finish(.success(()))
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}
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catch
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{
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finish(.failure(error))
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}
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}
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})
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self.present(alertController, animated: true, completion: nil)
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}
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}
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catch
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{
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finish(.failure(error))
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}
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}
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}
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func present(_ error: Error)
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{
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if let transitionCoordinator = self.transitionCoordinator
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{
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transitionCoordinator.animate(alongsideTransition: nil) { _ in
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self.present(error)
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}
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return
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}
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let nsError = error as NSError
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let title = nsError.localizedTitle // OK if nil.
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let message = [nsError.localizedDescription, nsError.localizedDebugDescription, nsError.localizedRecoverySuggestion].compactMap { $0 }.joined(separator: "\n\n")
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let alertController = UIAlertController(title: title, message: message, preferredStyle: .alert)
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alertController.addAction(.ok)
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self.present(alertController, animated: true, completion: nil)
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}
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func fetchTrustedSources()
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{
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func finish(_ result: Result<[Source], Error>)
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{
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self.fetchTrustedSourcesResult = result.map { _ in () }
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DispatchQueue.main.async {
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do
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{
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let sources = try result.get()
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print("Fetched trusted sources:", sources.map { $0.identifier })
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let sectionUpdate = RSTCellContentChange(type: .update, sectionIndex: 0)
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self.trustedSourcesDataSource.setItems(sources, with: [sectionUpdate])
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}
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catch
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{
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print("Error fetching trusted sources:", error)
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let sectionUpdate = RSTCellContentChange(type: .update, sectionIndex: 0)
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self.trustedSourcesDataSource.setItems([], with: [sectionUpdate])
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}
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}
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}
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self.fetchTrustedSourcesOperation = AppManager.shared.fetchTrustedSources { result in
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switch result
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{
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case .failure(let error): finish(.failure(error))
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case .success(let trustedSources):
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// Cache trusted source IDs.
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UserDefaults.shared.trustedSourceIDs = trustedSources.map { $0.identifier }
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// Don't show sources without a sourceURL.
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let featuredSourceURLs = trustedSources.compactMap { $0.sourceURL }
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// This context is never saved, but keeps the managed sources alive.
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let context = DatabaseManager.shared.persistentContainer.newBackgroundSavingViewContext()
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self._fetchTrustedSourcesContext = context
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let dispatchGroup = DispatchGroup()
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var sourcesByURL = [URL: Source]()
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var fetchError: Error?
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for sourceURL in featuredSourceURLs
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{
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dispatchGroup.enter()
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AppManager.shared.fetchSource(sourceURL: sourceURL, managedObjectContext: context) { result in
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// Serialize access to sourcesByURL.
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context.performAndWait {
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switch result
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{
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case .failure(let error): fetchError = error
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case .success(let source): sourcesByURL[source.sourceURL] = source
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}
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dispatchGroup.leave()
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}
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}
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}
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dispatchGroup.notify(queue: .main) {
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if let error = fetchError
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{
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finish(.failure(error))
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}
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else
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{
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let sources = featuredSourceURLs.compactMap { sourcesByURL[$0] }
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finish(.success(sources))
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}
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}
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}
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}
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}
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@IBAction func addTrustedSource(_ 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 completedProgress = Progress(totalUnitCount: 1)
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completedProgress.completedUnitCount = 1
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sender.progress = completedProgress
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let source = self.dataSource.item(at: indexPath)
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self.addSource(url: source.sourceURL, isTrusted: true) { _ in
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//FIXME: Handle cell reuse.
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sender.progress = nil
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}
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}
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func remove(_ source: Source)
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{
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let alertController = UIAlertController(title: String(format: NSLocalizedString("Are you sure you want to remove the source “%@”?", comment: ""), source.name),
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message: NSLocalizedString("Any apps you've installed from this source will remain, but they'll no longer receive any app updates.", comment: ""), preferredStyle: .alert)
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alertController.addAction(UIAlertAction(title: UIAlertAction.cancel.title, style: UIAlertAction.cancel.style, handler: nil))
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alertController.addAction(UIAlertAction(title: NSLocalizedString("Remove Source", comment: ""), style: .destructive) { _ in
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DatabaseManager.shared.persistentContainer.performBackgroundTask { (context) in
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let source = context.object(with: source.objectID) as! Source
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context.delete(source)
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do
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{
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try context.save()
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DispatchQueue.main.async {
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self.collectionView.reloadSections([Section.trusted.rawValue])
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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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self.present(error)
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}
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}
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}
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})
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self.present(alertController, animated: true, completion: nil)
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}
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}
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extension SourcesViewController
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{
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override func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath)
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{
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self.collectionView.deselectItem(at: indexPath, animated: true)
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let source = self.dataSource.item(at: indexPath)
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guard let error = source.error else { return }
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self.present(error)
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}
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}
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extension SourcesViewController: 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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return CGSize(width: collectionView.bounds.width, height: 80)
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}
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func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, referenceSizeForHeaderInSection section: Int) -> CGSize
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{
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let indexPath = IndexPath(row: 0, section: section)
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let headerView = self.collectionView(collectionView, viewForSupplementaryElementOfKind: UICollectionView.elementKindSectionHeader, at: indexPath)
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// Use this view to calculate the optimal size based on the collection view's width
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let size = headerView.systemLayoutSizeFitting(CGSize(width: collectionView.frame.width, height: UIView.layoutFittingExpandedSize.height),
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withHorizontalFittingPriority: .required, // Width is fixed
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verticalFittingPriority: .fittingSizeLevel) // Height can be as large as needed
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return size
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}
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func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, referenceSizeForFooterInSection section: Int) -> CGSize
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{
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guard Section(rawValue: section) == .trusted else { return .zero }
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let indexPath = IndexPath(row: 0, section: section)
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let headerView = self.collectionView(collectionView, viewForSupplementaryElementOfKind: UICollectionView.elementKindSectionFooter, at: indexPath)
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// Use this view to calculate the optimal size based on the collection view's width
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let size = headerView.systemLayoutSizeFitting(CGSize(width: collectionView.frame.width, height: UIView.layoutFittingExpandedSize.height),
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withHorizontalFittingPriority: .required, // Width is fixed
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verticalFittingPriority: .fittingSizeLevel) // Height can be as large as needed
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return size
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}
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override func collectionView(_ collectionView: UICollectionView, viewForSupplementaryElementOfKind kind: String, at indexPath: IndexPath) -> UICollectionReusableView
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{
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let reuseIdentifier = (kind == UICollectionView.elementKindSectionHeader) ? "Header" : "Footer"
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let headerView = collectionView.dequeueReusableSupplementaryView(ofKind: kind, withReuseIdentifier: reuseIdentifier, for: indexPath) as! TextCollectionReusableView
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headerView.layoutMargins.left = self.view.layoutMargins.left
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headerView.layoutMargins.right = self.view.layoutMargins.right
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/* Changing NSLayoutConstraint priorities from required to optional (and vice versa) isn’t supported, and crashes on iOS 12. */
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// let almostRequiredPriority = UILayoutPriority(UILayoutPriority.required.rawValue - 1) // Can't be required or else we can't satisfy constraints when hidden (size = 0).
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// headerView.leadingLayoutConstraint?.priority = almostRequiredPriority
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// headerView.trailingLayoutConstraint?.priority = almostRequiredPriority
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// headerView.topLayoutConstraint?.priority = almostRequiredPriority
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// headerView.bottomLayoutConstraint?.priority = almostRequiredPriority
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switch kind
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{
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case UICollectionView.elementKindSectionHeader:
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switch Section.allCases[indexPath.section]
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{
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case .added:
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headerView.textLabel.text = NSLocalizedString("Sources control what apps are available to download through AltStore.", comment: "")
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headerView.textLabel.font = UIFont.preferredFont(forTextStyle: .callout)
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headerView.textLabel.textAlignment = .natural
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headerView.topLayoutConstraint.constant = 14
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headerView.bottomLayoutConstraint.constant = 30
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case .trusted:
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switch self.fetchTrustedSourcesResult
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{
|
||
case .failure: headerView.textLabel.text = NSLocalizedString("Error Loading Trusted Sources", comment: "")
|
||
case .success, .none: headerView.textLabel.text = NSLocalizedString("Trusted Sources", comment: "")
|
||
}
|
||
|
||
let descriptor = UIFontDescriptor.preferredFontDescriptor(withTextStyle: .callout).withSymbolicTraits(.traitBold)!
|
||
headerView.textLabel.font = UIFont(descriptor: descriptor, size: 0)
|
||
headerView.textLabel.textAlignment = .center
|
||
|
||
headerView.topLayoutConstraint.constant = 54
|
||
headerView.bottomLayoutConstraint.constant = 15
|
||
}
|
||
|
||
case UICollectionView.elementKindSectionFooter:
|
||
let footerView = headerView as! SourcesFooterView
|
||
let font = UIFont.preferredFont(forTextStyle: .subheadline)
|
||
|
||
switch self.fetchTrustedSourcesResult
|
||
{
|
||
case .failure(let error):
|
||
footerView.textView.font = font
|
||
footerView.textView.text = error.localizedDescription
|
||
|
||
footerView.activityIndicatorView.stopAnimating()
|
||
footerView.topLayoutConstraint.constant = 0
|
||
footerView.textView.textAlignment = .center
|
||
|
||
case .success, .none:
|
||
footerView.textView.delegate = self
|
||
|
||
let attributedText = NSMutableAttributedString(
|
||
string: NSLocalizedString("AltStore has reviewed these sources to make sure they meet our safety standards.\n\nSupport for untrusted sources is currently in beta, but you can help test them out by", comment: ""),
|
||
attributes: [.font: font, .foregroundColor: UIColor.gray]
|
||
)
|
||
attributedText.mutableString.append(" ")
|
||
|
||
let boldedFont = UIFont(descriptor: font.fontDescriptor.withSymbolicTraits(.traitBold)!, size: font.pointSize)
|
||
let openPatreonURL = URL(string: "https://altstore.io/patreon")!
|
||
|
||
let joinPatreonText = NSAttributedString(
|
||
string: NSLocalizedString("joining our Patreon.", comment: ""),
|
||
attributes: [.font: boldedFont, .link: openPatreonURL, .underlineColor: UIColor.clear]
|
||
)
|
||
attributedText.append(joinPatreonText)
|
||
|
||
footerView.textView.attributedText = attributedText
|
||
footerView.textView.textAlignment = .natural
|
||
|
||
if self.fetchTrustedSourcesResult != nil
|
||
{
|
||
footerView.activityIndicatorView.stopAnimating()
|
||
footerView.topLayoutConstraint.constant = 20
|
||
}
|
||
else
|
||
{
|
||
footerView.activityIndicatorView.startAnimating()
|
||
footerView.topLayoutConstraint.constant = 0
|
||
}
|
||
}
|
||
|
||
default: break
|
||
}
|
||
|
||
return headerView
|
||
}
|
||
}
|
||
|
||
extension SourcesViewController
|
||
{
|
||
override func collectionView(_ collectionView: UICollectionView, contextMenuConfigurationForItemAt indexPath: IndexPath, point: CGPoint) -> UIContextMenuConfiguration?
|
||
{
|
||
let source = self.dataSource.item(at: indexPath)
|
||
|
||
return UIContextMenuConfiguration(identifier: indexPath as NSIndexPath, previewProvider: nil) { (suggestedActions) -> UIMenu? in
|
||
let viewErrorAction = UIAction(title: NSLocalizedString("View Error", comment: ""), image: UIImage(systemName: "exclamationmark.circle")) { (action) in
|
||
guard let error = source.error else { return }
|
||
self.present(error)
|
||
}
|
||
|
||
let deleteAction = UIAction(title: NSLocalizedString("Remove", comment: ""), image: UIImage(systemName: "trash"), attributes: [.destructive]) { (action) in
|
||
self.remove(source)
|
||
}
|
||
|
||
let addAction = UIAction(title: String(format: NSLocalizedString("Add “%@”", comment: ""), source.name), image: UIImage(systemName: "plus")) { (action) in
|
||
self.addSource(url: source.sourceURL, isTrusted: true)
|
||
}
|
||
|
||
var actions: [UIAction] = []
|
||
|
||
if source.error != nil
|
||
{
|
||
actions.append(viewErrorAction)
|
||
}
|
||
|
||
switch Section.allCases[indexPath.section]
|
||
{
|
||
case .added:
|
||
if source.identifier != Source.altStoreIdentifier
|
||
{
|
||
actions.append(deleteAction)
|
||
}
|
||
|
||
case .trusted:
|
||
if let cell = collectionView.cellForItem(at: indexPath) as? AppBannerCollectionViewCell, !cell.bannerView.button.isHidden
|
||
{
|
||
actions.append(addAction)
|
||
}
|
||
}
|
||
|
||
guard !actions.isEmpty else { return nil }
|
||
|
||
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? AppBannerCollectionViewCell 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 SourcesViewController: UITextViewDelegate
|
||
{
|
||
func textView(_ textView: UITextView, shouldInteractWith URL: URL, in characterRange: NSRange, interaction: UITextItemInteraction) -> Bool
|
||
{
|
||
return true
|
||
}
|
||
}
|