102 lines
4.0 KiB
Swift
102 lines
4.0 KiB
Swift
//
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// PreferencesHostingController.swift
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// Tusker
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//
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// Created by Shadowfacts on 11/17/19.
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// Copyright © 2019 Shadowfacts. All rights reserved.
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//
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import UIKit
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import SwiftUI
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class PreferencesNavigationController: UINavigationController {
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private var isSwitchingAccounts = false
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init(mastodonController: MastodonController) {
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let view = PreferencesView()
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let hostingController = UIHostingController(rootView: view)
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super.init(rootViewController: hostingController)
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hostingController.navigationItem.rightBarButtonItem = UIBarButtonItem(barButtonSystemItem: .done, target: self, action: #selector(donePressed))
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}
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required init?(coder aDecoder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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override func viewWillAppear(_ animated: Bool) {
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super.viewWillAppear(animated)
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NotificationCenter.default.addObserver(self, selector: #selector(showAddAccount), name: .addAccount, object: nil)
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NotificationCenter.default.addObserver(self, selector: #selector(activateAccount(_:)), name: .activateAccount, object: nil)
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NotificationCenter.default.addObserver(self, selector: #selector(userLoggedOut), name: .userLoggedOut, object: nil)
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}
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override func viewWillDisappear(_ animated: Bool) {
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super.viewWillDisappear(animated)
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if !isSwitchingAccounts {
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// workaround for onDisappear not being called when a modally presented UIHostingController is dismissed
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NotificationCenter.default.post(name: .preferencesChanged, object: nil)
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}
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}
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@objc func donePressed() {
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dismiss(animated: true)
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}
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@objc func showAddAccount() {
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let onboardingController = OnboardingViewController()
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onboardingController.onboardingDelegate = self
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onboardingController.instanceSelector.navigationItem.leftBarButtonItem = UIBarButtonItem(barButtonSystemItem: .cancel, target: self, action: #selector(cancelAddAccount))
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show(onboardingController, sender: self)
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}
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@objc func cancelAddAccount() {
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dismiss(animated: true) // dismisses instance selector
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}
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@objc func activateAccount(_ notification: Notification) {
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// TODO: this is a temporary measure
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// when switching accounts shortly after adding a new one, there is an old instance of PreferncesNavigationController still around
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// which tries to handle the notification but is unable to because it no longer is in a window (and therefore doesn't have a scene delegate)
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// the propper fix would be to figure out what's leaking instances of this class
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guard let window = self.view.window,
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let windowScene = window.windowScene,
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let sceneDelegate = windowScene.delegate as? SceneDelegate else {
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return
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}
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let account = notification.userInfo!["account"] as! LocalData.UserAccountInfo
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isSwitchingAccounts = true
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dismiss(animated: true) { // dismiss preferences
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sceneDelegate.activateAccount(account, animated: true)
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}
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}
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@objc func userLoggedOut() {
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guard let window = self.view.window,
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let windowScene = window.windowScene,
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let sceneDelegate = windowScene.delegate as? SceneDelegate else {
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return
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}
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isSwitchingAccounts = true
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dismiss(animated: true) { // dismiss preferences
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sceneDelegate.logoutCurrent()
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}
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}
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}
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extension PreferencesNavigationController: OnboardingViewControllerDelegate {
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func didFinishOnboarding(account: LocalData.UserAccountInfo) {
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DispatchQueue.main.async {
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let sceneDelegate = self.view.window!.windowScene!.delegate as! SceneDelegate
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self.dismiss(animated: true) { // dismiss instance selector
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self.dismiss(animated: true) { // dismiss preferences
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sceneDelegate.activateAccount(account, animated: false)
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}
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}
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}
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}
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}
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