frenzy-ios/Reader/SceneDelegate.swift

273 lines
11 KiB
Swift

//
// SceneDelegate.swift
// Reader
//
// Created by Shadowfacts on 10/29/21.
//
import Foundation
import UIKit
import OSLog
import Persistence
class SceneDelegate: UIResponder, UIWindowSceneDelegate {
var window: UIWindow?
private(set) var fervorController: FervorController!
private(set) var toggleReadBarButtonItem: UIBarButtonItem?
private let logger = Logger(subsystem: Bundle.main.bundleIdentifier!, category: "SceneDelegate")
func scene(_ scene: UIScene, willConnectTo session: UISceneSession, options connectionOptions: UIScene.ConnectionOptions) {
// Use this method to optionally configure and attach the UIWindow `window` to the provided UIWindowScene `scene`.
// If using a storyboard, the `window` property will automatically be initialized and attached to the scene.
// This delegate does not imply the connecting scene or session are new (see `application:configurationForConnectingSceneSession` instead).
guard let windowScene = (scene as? UIWindowScene) else { return }
window = UIWindow(windowScene: windowScene)
window!.tintColor = .appTintColor
var activity = connectionOptions.userActivities.first ?? session.stateRestorationActivity
var account = LocalData.mostRecentAccount()
if activity?.activityType == NSUserActivity.addAccountType {
account = nil
} else if let id = activity?.accountID() {
account = LocalData.account(with: id)
if account == nil {
activity = nil
logger.log("Missing account for activity, not restoring")
}
}
if let account = account {
Task { @MainActor [activity] in
fervorController = await FervorController(account: account)
syncFromServer()
createAppUI()
if let activity = activity {
await setupUI(from: activity)
}
setupSceneActivationConditions()
}
} else {
createLoginUI()
}
#if targetEnvironment(macCatalyst)
if let titlebar = windowScene.titlebar {
titlebar.toolbarStyle = .unifiedCompact
titlebar.toolbar = NSToolbar(identifier: .init("ReaderToolbar"))
titlebar.toolbar!.delegate = self
titlebar.toolbar!.allowsUserCustomization = false
}
#endif
window!.makeKeyAndVisible()
NotificationCenter.default.addObserver(self, selector: #selector(updateAppearance), name: .appearanceChanged, object: nil)
updateAppearance()
}
func sceneDidDisconnect(_ scene: UIScene) {
// Called as the scene is being released by the system.
// This occurs shortly after the scene enters the background, or when its session is discarded.
// Release any resources associated with this scene that can be re-created the next time the scene connects.
// The scene may re-connect later, as its session was not necessarily discarded (see `application:didDiscardSceneSessions` instead).
}
func sceneDidBecomeActive(_ scene: UIScene) {
// Called when the scene has moved from an inactive state to an active state.
// Use this method to restart any tasks that were paused (or not yet started) when the scene was inactive.
UIMenuSystem.main.setNeedsRebuild()
syncFromServer()
}
func sceneWillResignActive(_ scene: UIScene) {
// Called when the scene will move from an active state to an inactive state.
// This may occur due to temporary interruptions (ex. an incoming phone call).
if let fervorController = fervorController {
Task(priority: .userInitiated) {
await fervorController.syncReadToServer()
}
}
}
func sceneWillEnterForeground(_ scene: UIScene) {
// Called as the scene transitions from the background to the foreground.
// Use this method to undo the changes made on entering the background.
}
func sceneDidEnterBackground(_ scene: UIScene) {
// Called as the scene transitions from the foreground to the background.
// Use this method to save data, release shared resources, and store enough scene-specific state information
// to restore the scene back to its current state.
}
func stateRestorationActivity(for scene: UIScene) -> NSUserActivity? {
return (window!.rootViewController as! AppSplitViewController).stateRestorationActivity()
}
func scene(_ scene: UIScene, continue userActivity: NSUserActivity) {
Task { @MainActor in
await setupUI(from: userActivity)
}
}
private func setupUI(from activity: NSUserActivity) async {
guard let split = window?.rootViewController as? AppSplitViewController else {
logger.error("Failed to setup UI for user activity: missing split VC")
return
}
switch activity.activityType {
case NSUserActivity.readUnreadType:
split.showItemList(.unread)
case NSUserActivity.readAllType:
split.showItemList(.all)
case NSUserActivity.readFeedType:
guard let feedID = activity.feedID else {
break
}
let req = Feed.fetchRequest()
req.predicate = NSPredicate(format: "id = %@", feedID)
if let feed = try? fervorController.persistentContainer.viewContext.fetch(req).first {
split.showItemList(.feed(feed))
}
case NSUserActivity.readGroupType:
guard let groupID = activity.groupID else {
break
}
let req = Group.fetchRequest()
req.predicate = NSPredicate(format: "id = %@", groupID)
if let group = try? fervorController.persistentContainer.viewContext.fetch(req).first {
split.showItemList(.group(group))
}
case NSUserActivity.readItemType:
guard let itemID = activity.itemID else {
break
}
let req = Item.fetchRequest()
req.predicate = NSPredicate(format: "id = %@", itemID)
var read: ReadViewController? = nil
if let item = try? fervorController.persistentContainer.viewContext.fetch(req).first {
read = split.showItem(item)
} else {
if let item = try? await fervorController.fetchItem(id: itemID) {
read = split.showItem(item)
}
}
read?.restoreUserActivityState(activity)
default:
logger.warning("Unknown user activity type: \(activity.activityType)")
break
}
}
private func createLoginUI() {
let vc = LoginViewController()
vc.delegate = self
window!.rootViewController = vc
}
private func createAppUI() {
window!.rootViewController = AppSplitViewController(fervorController: fervorController)
}
private func setupSceneActivationConditions() {
guard let account = fervorController?.account else {
return
}
let scene = self.window!.windowScene!
// todo: why the fuck doesn't this work
// it always picks the most recently focused window
scene.activationConditions.prefersToActivateForTargetContentIdentifierPredicate = NSPredicate(format: "self == '\(account.id.base64EncodedString())'")
scene.activationConditions.canActivateForTargetContentIdentifierPredicate = NSPredicate(value: true)
}
private func syncFromServer() {
guard let fervorController = fervorController else {
return
}
Task(priority: .userInitiated) {
do {
try await fervorController.syncAll()
} catch {
logger.error("Unable to sync from server: \(String(describing: error), privacy: .public)")
}
}
}
@objc private func updateAppearance() {
switch Preferences.shared.appearance {
case .unspecified:
window!.overrideUserInterfaceStyle = .unspecified
case .light:
window!.overrideUserInterfaceStyle = .light
case .dark:
window!.overrideUserInterfaceStyle = .dark
}
}
func switchToAccount(_ account: LocalData.Account) async {
LocalData.mostRecentAccountID = account.id
fervorController = await FervorController(account: account)
createAppUI()
syncFromServer()
}
}
extension SceneDelegate: LoginViewControllerDelegate {
func didLogin(with controller: FervorController) {
Task { @MainActor in
let account = LocalData.Account(instanceURL: controller.instanceURL, clientID: await controller.clientID!, clientSecret: await controller.clientSecret!, token: await controller.token!)
LocalData.accounts.append(account)
LocalData.mostRecentAccountID = account.id
fervorController = await FervorController(account: account)
createAppUI()
syncFromServer()
setupSceneActivationConditions()
UIMenuSystem.main.setNeedsRebuild()
}
}
}
#if targetEnvironment(macCatalyst)
extension NSToolbarItem.Identifier {
static let toggleItemRead = NSToolbarItem.Identifier("ToggleItemRead")
static let shareItem = NSToolbarItem.Identifier("ShareItem")
}
extension SceneDelegate: NSToolbarDelegate {
func toolbar(_ toolbar: NSToolbar, itemForItemIdentifier itemIdentifier: NSToolbarItem.Identifier, willBeInsertedIntoToolbar flag: Bool) -> NSToolbarItem? {
if itemIdentifier == .toggleItemRead {
// need an item bar button item to make the size of the image match the share button
let item = NSToolbarItem(itemIdentifier: .toggleItemRead, barButtonItem: UIBarButtonItem(image: nil, style: .plain, target: nil, action: nil))
item.image = UIImage(systemName: "checkmark.circle")
item.target = nil
item.action = #selector(ReadViewController.toggleItemRead(_:))
return item
} else if itemIdentifier == .shareItem {
return NSSharingServicePickerToolbarItem(itemIdentifier: .shareItem)
} else {
return nil
}
}
func toolbarAllowedItemIdentifiers(_ toolbar: NSToolbar) -> [NSToolbarItem.Identifier] {
return [.shareItem, .toggleItemRead]
}
func toolbarDefaultItemIdentifiers(_ toolbar: NSToolbar) -> [NSToolbarItem.Identifier] {
return [.shareItem, .toggleItemRead]
}
}
#endif