NetNewsWire/iOS/AppDelegate.swift
2019-05-20 13:51:08 -05:00

318 lines
10 KiB
Swift

//
// AppDelegate.swift
// NetNewsWire
//
// Created by Maurice Parker on 4/8/19.
// Copyright © 2019 Ranchero Software. All rights reserved.
//
import UIKit
import RSCore
import RSWeb
import Account
import UserNotifications
import os.log
var appDelegate: AppDelegate!
@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate, UISplitViewControllerDelegate, UnreadCountProvider {
private var refreshBackgroundUpdateTask = UIBackgroundTaskIdentifier.invalid
private var syncBackgroundUpdateTask = UIBackgroundTaskIdentifier.invalid
var syncTimer: ArticleStatusSyncTimer?
var shuttingDown = false {
didSet {
if shuttingDown {
syncTimer?.shuttingDown = shuttingDown
syncTimer?.invalidate()
}
}
}
var log = OSLog(subsystem: Bundle.main.bundleIdentifier!, category: "application")
var window: UIWindow?
var faviconDownloader: FaviconDownloader!
var imageDownloader: ImageDownloader!
var authorAvatarDownloader: AuthorAvatarDownloader!
var feedIconDownloader: FeedIconDownloader!
var unreadCount = 0 {
didSet {
if unreadCount != oldValue {
postUnreadCountDidChangeNotification()
UIApplication.shared.applicationIconBadgeNumber = unreadCount
}
}
}
override init() {
super.init()
appDelegate = self
NotificationCenter.default.addObserver(self, selector: #selector(unreadCountDidChange(_:)), name: .UnreadCountDidChange, object: nil)
NotificationCenter.default.addObserver(self, selector: #selector(accountRefreshDidFinish(_:)), name: .AccountRefreshDidFinish, object: nil)
NotificationCenter.default.addObserver(self, selector: #selector(userDefaultsDidChange(_:)), name: UserDefaults.didChangeNotification, object: nil)
// Reinitialize the shared state as early as possible
_ = AccountManager.shared
}
func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
// Set up the split view
let splitViewController = window!.rootViewController as! UISplitViewController
let navigationController = splitViewController.viewControllers[splitViewController.viewControllers.count-1] as! UINavigationController
navigationController.topViewController!.navigationItem.leftBarButtonItem = splitViewController.displayModeButtonItem
splitViewController.delegate = self
AppDefaults.registerDefaults()
let isFirstRun = AppDefaults.isFirstRun
if isFirstRun {
os_log("Is first run.", log: log, type: .info)
}
let localAccount = AccountManager.shared.defaultAccount
DefaultFeedsImporter.importIfNeeded(isFirstRun, account: localAccount)
let tempDir = FileManager.default.urls(for: .cachesDirectory, in: .userDomainMask).first!
let faviconsFolderURL = tempDir.appendingPathComponent("Favicons")
try! FileManager.default.createDirectory(at: faviconsFolderURL, withIntermediateDirectories: true, attributes: nil)
faviconDownloader = FaviconDownloader(folder: faviconsFolderURL.absoluteString)
let imagesFolderURL = tempDir.appendingPathComponent("Images")
try! FileManager.default.createDirectory(at: imagesFolderURL, withIntermediateDirectories: true, attributes: nil)
imageDownloader = ImageDownloader(folder: imagesFolderURL.absoluteString)
authorAvatarDownloader = AuthorAvatarDownloader(imageDownloader: imageDownloader)
feedIconDownloader = FeedIconDownloader(imageDownloader: imageDownloader)
DispatchQueue.main.async {
self.unreadCount = AccountManager.shared.unreadCount
}
UNUserNotificationCenter.current().requestAuthorization(options:[.badge, .sound, .alert]) { (granted, error) in
if granted {
DispatchQueue.main.async {
UIApplication.shared.registerForRemoteNotifications()
}
}
}
updateBackgroundRefreshInterval()
syncTimer = ArticleStatusSyncTimer()
#if DEBUG
syncTimer!.update()
#endif
return true
}
// func application(_ application: UIApplication, shouldSaveApplicationState coder: NSCoder) -> Bool {
//
// let versionNumber = Bundle.main.object(forInfoDictionaryKey: "CFBundleShortVersionString") as! String
// coder.encode(versionNumber, forKey: "VersionNumber")
//
// return true
//
// }
//
// func application(_ application: UIApplication, shouldRestoreApplicationState coder: NSCoder) -> Bool {
// if let storedVersionNumber = coder.decodeObject(forKey: "VersionNumber") as? String {
// let versionNumber = Bundle.main.object(forInfoDictionaryKey: "CFBundleShortVersionString") as! String
// if versionNumber == storedVersionNumber {
// return true
// }
// }
// return false
// }
func applicationWillResignActive(_ application: UIApplication) {
// Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
// Use this method to pause ongoing tasks, disable timers, and invalidate graphics rendering callbacks. Games should use this method to pause the game.
}
func applicationDidEnterBackground(_ application: UIApplication) {
syncTimer?.invalidate()
let completeProcessing = { [unowned self] in
UIApplication.shared.endBackgroundTask(self.syncBackgroundUpdateTask)
self.syncBackgroundUpdateTask = UIBackgroundTaskIdentifier.invalid
}
DispatchQueue.global(qos: .background).async { [unowned self] in
self.syncBackgroundUpdateTask = UIApplication.shared.beginBackgroundTask {
completeProcessing()
os_log("Accounts sync processing terminated for running too long.", log: self.log, type: .info)
}
DispatchQueue.main.async {
AccountManager.shared.syncArticleStatusAll() {
completeProcessing()
}
}
}
}
func applicationWillEnterForeground(_ application: UIApplication) {
AccountManager.shared.syncArticleStatusAll()
syncTimer?.update()
}
func applicationDidBecomeActive(_ application: UIApplication) {
// If we haven't refreshed the database for 15 minutes, run a refresh automatically
if let lastRefresh = AppDefaults.lastRefresh {
if Date() > lastRefresh.addingTimeInterval(15 * 60) {
AccountManager.shared.refreshAll()
}
} else {
AccountManager.shared.refreshAll()
}
}
func applicationWillTerminate(_ application: UIApplication) {
shuttingDown = true
}
func application(_ application: UIApplication, performFetchWithCompletionHandler completionHandler: @escaping (UIBackgroundFetchResult) -> Void) {
os_log("Woken to perform account refresh.", log: log, type: .info)
var startingUnreadCount = 0
let completeProcessing = { [unowned self] in
UIApplication.shared.endBackgroundTask(self.refreshBackgroundUpdateTask)
self.refreshBackgroundUpdateTask = UIBackgroundTaskIdentifier.invalid
if startingUnreadCount < self.unreadCount {
self.sendReceivedArticlesUserNotification(newArticleCount: self.unreadCount - startingUnreadCount)
completionHandler(.newData)
} else {
completionHandler(.noData)
}
}
DispatchQueue.global(qos: .background).async { [unowned self] in
self.refreshBackgroundUpdateTask = UIApplication.shared.beginBackgroundTask {
completeProcessing()
os_log("Accounts refresh processing terminated for running too long.", log: self.log, type: .info)
}
while(!AccountManager.shared.isUnreadCountsInitialized) {
os_log("Waiting for unread counts to be initialized...", log: self.log, type: .debug)
sleep(1)
}
startingUnreadCount = self.unreadCount
DispatchQueue.main.async {
AccountManager.shared.refreshAll()
}
os_log("Accounts requested to begin refresh.", log: self.log, type: .debug)
sleep(1)
while(!AccountManager.shared.combinedRefreshProgress.isComplete) {
os_log("Waiting for account refresh processing to complete...", log: self.log, type: .debug)
sleep(1)
}
completeProcessing()
os_log("Accounts completed refresh processing.", log: self.log, type: .info)
}
}
// MARK: - Split view
func splitViewController(_ splitViewController: UISplitViewController, collapseSecondary secondaryViewController:UIViewController, onto primaryViewController:UIViewController) -> Bool {
guard let secondaryAsNavController = secondaryViewController as? UINavigationController else { return false }
guard let topAsDetailController = secondaryAsNavController.topViewController as? DetailViewController else { return false }
if topAsDetailController.navState?.currentArticle == nil {
// Return true to indicate that we have handled the collapse by doing nothing; the secondary controller will be discarded.
return true
}
return false
}
// MARK: Notifications
@objc func unreadCountDidChange(_ note: Notification) {
if note.object is AccountManager {
unreadCount = AccountManager.shared.unreadCount
}
}
@objc func userDefaultsDidChange(_ note: Notification) {
updateBackgroundRefreshInterval()
}
@objc func accountRefreshDidFinish(_ note: Notification) {
AppDefaults.lastRefresh = Date()
}
// MARK: - API
func logMessage(_ message: String, type: LogItem.ItemType) {
print("logMessage: \(message) - \(type)")
}
func logDebugMessage(_ message: String) {
logMessage(message, type: .debug)
}
}
private extension AppDelegate {
func updateBackgroundRefreshInterval() {
let refreshInterval = AppDefaults.refreshInterval
if refreshInterval == .manually {
UIApplication.shared.setMinimumBackgroundFetchInterval(UIApplication.backgroundFetchIntervalNever)
} else {
UIApplication.shared.setMinimumBackgroundFetchInterval(AppDefaults.refreshInterval.inSeconds())
}
}
func sendReceivedArticlesUserNotification(newArticleCount: Int) {
let content = UNMutableNotificationContent()
content.title = NSLocalizedString("Article Download", comment: "New Articles")
let body: String = {
if newArticleCount == 1 {
return NSLocalizedString("You have downloaded 1 new article.", comment: "Article Downloaded")
} else {
let formatString = NSLocalizedString("You have downloaded %d new articles.", comment: "Articles Downloaded")
return NSString.localizedStringWithFormat(formatString as NSString, newArticleCount) as String
}
}()
content.body = body
content.sound = UNNotificationSound.default
let request = UNNotificationRequest.init(identifier: "NewArticlesReceived", content: content, trigger: nil)
UNUserNotificationCenter.current().add(request)
}
}