frenzy-ios/Reader/AppDelegate.swift

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2021-12-08 02:58:02 +00:00
//
// AppDelegate.swift
// Reader
//
// Created by Shadowfacts on 10/29/21.
//
import UIKit
import WebKit
import OSLog
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import Combine
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@main
class AppDelegate: UIResponder, UIApplicationDelegate {
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private var cancellables = Set<AnyCancellable>()
#if targetEnvironment(macCatalyst)
private var readerMac: NSObject!
#endif
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func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
swizzleWKWebView()
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Preferences.shared.objectWillChange
.debounce(for: .milliseconds(250), scheduler: RunLoop.main)
.sink { _ in
Preferences.save()
}
.store(in: &cancellables)
#if targetEnvironment(macCatalyst)
let macBundleURL = Bundle.main.builtInPlugInsURL!.appendingPathComponent("ReaderMac.bundle")
let bundle = Bundle(url: macBundleURL)!
do {
try bundle.loadAndReturnError()
let clazz = NSClassFromString("ReaderMac.ReaderMac")! as! NSObject.Type
readerMac = clazz.init()
readerMac.perform(Selector(("setup")))
} catch {
print("Unable to load ReaderMac bundle: \(error)")
}
#endif
NotificationCenter.default.addObserver(self, selector: #selector(updateAppearance), name: .appearanceChanged, object: nil)
updateAppearance()
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return true
}
// MARK: UISceneSession Lifecycle
func application(_ application: UIApplication, configurationForConnecting connectingSceneSession: UISceneSession, options: UIScene.ConnectionOptions) -> UISceneConfiguration {
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let name: String
#if targetEnvironment(macCatalyst)
if options.userActivities.first?.activityType == NSUserActivity.preferencesType {
name = "prefs"
} else {
name = "main"
}
#else
name = "main"
#endif
return UISceneConfiguration(name: name, sessionRole: connectingSceneSession.role)
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}
func application(_ application: UIApplication, didDiscardSceneSessions sceneSessions: Set<UISceneSession>) {
// Called when the user discards a scene session.
// If any sessions were discarded while the application was not running, this will be called shortly after application:didFinishLaunchingWithOptions.
// Use this method to release any resources that were specific to the discarded scenes, as they will not return.
}
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override func buildMenu(with builder: UIMenuBuilder) {
if builder.system == .main {
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builder.insertSibling(UIMenu(options: .displayInline, children: [
UIKeyCommand(title: "Preferences…", action: #selector(showPreferences), input: ",", modifierFlags: .command)
]), afterMenu: .about)
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var children = [UIMenuElement]()
let accounts: [UIMenuElement] = LocalData.accounts.map { account in
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var title = account.instanceURL.host!
if let port = account.instanceURL.port, port != 80 && port != 443 {
title += ":\(port)"
}
let state: UIAction.State
if let activeScene = UIApplication.shared.connectedScenes.first(where: { $0.activationState == .foregroundActive }),
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let sceneDelegate = activeScene.delegate as? SceneDelegate,
sceneDelegate.fervorController?.account?.id == account.id {
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state = .on
} else {
state = .off
}
return UIAction(title: title, attributes: [], state: state) { _ in
let activity = NSUserActivity.activateAccount(account)
let options = UIScene.ActivationRequestOptions()
#if targetEnvironment(macCatalyst)
options.collectionJoinBehavior = .disallowed
#endif
UIApplication.shared.requestSceneSessionActivation(nil, userActivity: activity, options: options, errorHandler: nil)
}
}
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children.append(UIMenu(options: .displayInline, children: accounts))
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children.append(UIAction(title: "Add Account...", handler: { _ in
let activity = NSUserActivity.addAccount()
let options = UIScene.ActivationRequestOptions()
#if targetEnvironment(macCatalyst)
options.collectionJoinBehavior = .disallowed
#endif
UIApplication.shared.requestSceneSessionActivation(nil, userActivity: activity, options: options, errorHandler: nil)
}))
let account = UIMenu(title: "Account", image: nil, identifier: nil, options: [], children: children)
builder.insertSibling(account, afterMenu: .file)
}
}
private func swizzleWKWebView() {
let selector = Selector(("_updateScrollViewBackground"))
var originalIMP: IMP?
let imp = imp_implementationWithBlock({ (self: WKWebView) in
if let originalIMP = originalIMP {
let original = unsafeBitCast(originalIMP, to: (@convention(c) (WKWebView, Selector) -> Void).self)
original(self, selector)
} else {
os_log(.error, "Missing originalIMP for -[WKWebView _updateScrollViewBackground], did WebKit change?")
}
self.scrollView.indicatorStyle = .default
} as (@convention(block) (WKWebView) -> Void))
originalIMP = class_replaceMethod(WKWebView.self, selector, imp, "v@:")
}
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@objc private func showPreferences() {
let existing = UIApplication.shared.connectedScenes.first {
$0.session.configuration.name == "prefs"
}
UIApplication.shared.requestSceneSessionActivation(existing?.session, userActivity: .preferences(), options: nil, errorHandler: nil)
}
@objc private func updateAppearance() {
#if targetEnvironment(macCatalyst)
readerMac.perform(Selector(("updateAppearance:")), with: Preferences.shared.appearance.rawValue)
#endif
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}
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}