mirror of
https://github.com/Ranchero-Software/NetNewsWire.git
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302 lines
10 KiB
Swift
302 lines
10 KiB
Swift
//
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// AppDelegate.swift
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// NetNewsWire
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//
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// Created by Maurice Parker on 4/8/19.
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// Copyright © 2019 Ranchero Software. All rights reserved.
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//
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import UIKit
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import RSCore
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import RSWeb
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import Account
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import BackgroundTasks
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import os.log
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var appDelegate: AppDelegate!
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@UIApplicationMain
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class AppDelegate: UIResponder, UIApplicationDelegate, UNUserNotificationCenterDelegate, UnreadCountProvider {
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private var syncBackgroundUpdateTask = UIBackgroundTaskIdentifier.invalid
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var syncTimer: ArticleStatusSyncTimer?
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var shuttingDown = false {
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didSet {
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if shuttingDown {
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syncTimer?.shuttingDown = shuttingDown
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syncTimer?.invalidate()
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}
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}
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}
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var log = OSLog(subsystem: Bundle.main.bundleIdentifier!, category: "application")
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var userNotificationManager: UserNotificationManager!
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var faviconDownloader: FaviconDownloader!
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var imageDownloader: ImageDownloader!
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var authorAvatarDownloader: AuthorAvatarDownloader!
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var feedIconDownloader: FeedIconDownloader!
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var unreadCount = 0 {
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didSet {
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if unreadCount != oldValue {
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postUnreadCountDidChangeNotification()
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UIApplication.shared.applicationIconBadgeNumber = unreadCount
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}
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}
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}
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override init() {
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super.init()
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appDelegate = self
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// Force lazy initialization of the web view provider so that it can warm up the queue of prepared web views
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let _ = ArticleViewControllerWebViewProvider.shared
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AccountManager.shared = AccountManager()
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registerBackgroundTasks()
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NotificationCenter.default.addObserver(self, selector: #selector(unreadCountDidChange(_:)), name: .UnreadCountDidChange, object: nil)
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NotificationCenter.default.addObserver(self, selector: #selector(accountRefreshDidFinish(_:)), name: .AccountRefreshDidFinish, object: nil)
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NotificationCenter.default.addObserver(self, selector: #selector(userDefaultsDidChange(_:)), name: UserDefaults.didChangeNotification, object: nil)
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}
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func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
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AppDefaults.registerDefaults()
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let isFirstRun = AppDefaults.isFirstRun
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if isFirstRun {
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os_log("Is first run.", log: log, type: .info)
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}
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let localAccount = AccountManager.shared.defaultAccount
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DefaultFeedsImporter.importIfNeeded(isFirstRun, account: localAccount)
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initializeDownloaders()
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initializeHomeScreenQuickActions()
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DispatchQueue.main.async {
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self.unreadCount = AccountManager.shared.unreadCount
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}
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UNUserNotificationCenter.current().requestAuthorization(options:[.badge, .sound, .alert]) { (granted, error) in
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if granted {
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DispatchQueue.main.async {
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UIApplication.shared.registerForRemoteNotifications()
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}
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}
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}
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UNUserNotificationCenter.current().delegate = self
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userNotificationManager = UserNotificationManager()
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syncTimer = ArticleStatusSyncTimer()
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#if DEBUG
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syncTimer!.update()
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#endif
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return true
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}
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func applicationWillTerminate(_ application: UIApplication) {
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shuttingDown = true
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}
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// MARK: Notifications
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@objc func unreadCountDidChange(_ note: Notification) {
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if note.object is AccountManager {
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unreadCount = AccountManager.shared.unreadCount
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}
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}
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@objc func userDefaultsDidChange(_ note: Notification) {
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scheduleBackgroundFeedRefresh()
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}
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@objc func accountRefreshDidFinish(_ note: Notification) {
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AppDefaults.lastRefresh = Date()
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}
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// MARK: - API
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func prepareAccountsForBackground() {
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syncTimer?.invalidate()
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// Schedule background app refresh
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scheduleBackgroundFeedRefresh()
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// Sync article status
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let completeProcessing = { [unowned self] in
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UIApplication.shared.endBackgroundTask(self.syncBackgroundUpdateTask)
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self.syncBackgroundUpdateTask = UIBackgroundTaskIdentifier.invalid
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}
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DispatchQueue.global(qos: .background).async {
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self.syncBackgroundUpdateTask = UIApplication.shared.beginBackgroundTask {
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completeProcessing()
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os_log("Accounts sync processing terminated for running too long.", log: self.log, type: .info)
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}
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DispatchQueue.main.async {
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AccountManager.shared.syncArticleStatusAll() {
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completeProcessing()
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}
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}
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}
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}
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func prepareAccountsForForeground() {
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if let lastRefresh = AppDefaults.lastRefresh {
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if Date() > lastRefresh.addingTimeInterval(15 * 60) {
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AccountManager.shared.refreshAll(errorHandler: ErrorHandler.log)
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} else {
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AccountManager.shared.syncArticleStatusAll()
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syncTimer?.update()
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}
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} else {
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AccountManager.shared.refreshAll(errorHandler: ErrorHandler.log)
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}
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}
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func logMessage(_ message: String, type: LogItem.ItemType) {
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print("logMessage: \(message) - \(type)")
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}
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func logDebugMessage(_ message: String) {
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logMessage(message, type: .debug)
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}
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func userNotificationCenter(_ center: UNUserNotificationCenter, willPresent notification: UNNotification, withCompletionHandler completionHandler: @escaping (UNNotificationPresentationOptions) -> Void) {
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completionHandler([.alert, .badge, .sound])
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}
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func userNotificationCenter(_ center: UNUserNotificationCenter, didReceive response: UNNotificationResponse, withCompletionHandler completionHandler: @escaping () -> Void) {
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defer { completionHandler() }
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if let sceneDelegate = response.targetScene?.delegate as? SceneDelegate {
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sceneDelegate.handle(response)
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}
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}
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}
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// MARK: App Initialization
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private extension AppDelegate {
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private func initializeDownloaders() {
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let tempDir = FileManager.default.urls(for: .cachesDirectory, in: .userDomainMask).first!
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let faviconsFolderURL = tempDir.appendingPathComponent("Favicons")
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let imagesFolderURL = tempDir.appendingPathComponent("Images")
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let homePageToIconURL = tempDir.appendingPathComponent("HomePageToIconURLCache.plist")
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// If the image disk cache hasn't been flushed for 3 days and the network is available, delete it
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if let flushDate = AppDefaults.lastImageCacheFlushDate, flushDate.addingTimeInterval(3600*24*3) < Date() {
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if let reachability = try? Reachability(hostname: "apple.com") {
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if reachability.connection != .unavailable {
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for tempItem in [faviconsFolderURL, imagesFolderURL, homePageToIconURL] {
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do {
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os_log(.info, log: self.log, "Removing cache file: %@", tempItem.absoluteString)
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try FileManager.default.removeItem(at: tempItem)
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} catch {
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os_log(.error, log: self.log, "Could not delete cache file: %@", error.localizedDescription)
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}
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}
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AppDefaults.lastImageCacheFlushDate = Date()
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}
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}
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}
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try! FileManager.default.createDirectory(at: faviconsFolderURL, withIntermediateDirectories: true, attributes: nil)
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let faviconsFolder = faviconsFolderURL.absoluteString
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let faviconsFolderPath = faviconsFolder.suffix(from: faviconsFolder.index(faviconsFolder.startIndex, offsetBy: 7))
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faviconDownloader = FaviconDownloader(folder: String(faviconsFolderPath))
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let imagesFolder = imagesFolderURL.absoluteString
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let imagesFolderPath = imagesFolder.suffix(from: imagesFolder.index(imagesFolder.startIndex, offsetBy: 7))
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try! FileManager.default.createDirectory(at: imagesFolderURL, withIntermediateDirectories: true, attributes: nil)
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imageDownloader = ImageDownloader(folder: String(imagesFolderPath))
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authorAvatarDownloader = AuthorAvatarDownloader(imageDownloader: imageDownloader)
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let tempFolder = tempDir.absoluteString
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let tempFolderPath = tempFolder.suffix(from: tempFolder.index(tempFolder.startIndex, offsetBy: 7))
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feedIconDownloader = FeedIconDownloader(imageDownloader: imageDownloader, folder: String(tempFolderPath))
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}
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private func initializeHomeScreenQuickActions() {
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let unreadTitle = NSLocalizedString("First Unread", comment: "First Unread")
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let unreadIcon = UIApplicationShortcutIcon(systemImageName: "chevron.down.circle")
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let unreadItem = UIApplicationShortcutItem(type: "com.ranchero.NetNewsWire.FirstUnread", localizedTitle: unreadTitle, localizedSubtitle: nil, icon: unreadIcon, userInfo: nil)
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let searchTitle = NSLocalizedString("Search", comment: "Search")
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let searchIcon = UIApplicationShortcutIcon(systemImageName: "magnifyingglass")
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let searchItem = UIApplicationShortcutItem(type: "com.ranchero.NetNewsWire.ShowSearch", localizedTitle: searchTitle, localizedSubtitle: nil, icon: searchIcon, userInfo: nil)
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let addTitle = NSLocalizedString("Add Feed", comment: "Add Feed")
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let addIcon = UIApplicationShortcutIcon(systemImageName: "plus")
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let addItem = UIApplicationShortcutItem(type: "com.ranchero.NetNewsWire.ShowAdd", localizedTitle: addTitle, localizedSubtitle: nil, icon: addIcon, userInfo: nil)
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UIApplication.shared.shortcutItems = [addItem, searchItem, unreadItem]
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}
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}
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// MARK: Background Tasks
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private extension AppDelegate {
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/// Register all background tasks.
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func registerBackgroundTasks() {
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// Register background feed refresh.
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BGTaskScheduler.shared.register(forTaskWithIdentifier: "com.ranchero.NetNewsWire.FeedRefresh", using: nil) { (task) in
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self.performBackgroundFeedRefresh(with: task as! BGAppRefreshTask)
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}
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}
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/// Schedules a background app refresh based on `AppDefaults.refreshInterval`.
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func scheduleBackgroundFeedRefresh() {
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let request = BGAppRefreshTaskRequest(identifier: "com.ranchero.NetNewsWire.FeedRefresh")
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request.earliestBeginDate = Date(timeIntervalSinceNow: AppDefaults.refreshInterval.inSeconds())
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do {
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try BGTaskScheduler.shared.submit(request)
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} catch {
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os_log(.error, log: self.log, "Could not schedule app refresh: %@", error.localizedDescription)
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}
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}
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/// Performs background feed refresh.
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/// - Parameter task: `BGAppRefreshTask`
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/// - Warning: As of Xcode 11 beta 2, when triggered from the debugger this doesn't work.
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func performBackgroundFeedRefresh(with task: BGAppRefreshTask) {
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scheduleBackgroundFeedRefresh() // schedule next refresh
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os_log("Woken to perform account refresh.", log: self.log, type: .info)
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DispatchQueue.main.async {
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AccountManager.shared.refreshAll(errorHandler: ErrorHandler.log) {
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AccountManager.shared.saveAll()
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os_log("Account refresh operation completed.", log: self.log, type: .info)
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task.setTaskCompleted(success: true)
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}
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}
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// set expiration handler
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task.expirationHandler = {
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os_log("Accounts refresh processing terminated for running too long.", log: self.log, type: .info)
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task.setTaskCompleted(success: false)
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}
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}
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}
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