506 lines
23 KiB
Swift
506 lines
23 KiB
Swift
//
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// SceneCoordinator.swift
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// Mastodon
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//
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// Created by Cirno MainasuK on 2021-1-27.
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import UIKit
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import Combine
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import SafariServices
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import CoreDataStack
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import MastodonSDK
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import PanModal
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import MastodonAsset
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import MastodonLocalization
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final public class SceneCoordinator {
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private var disposeBag = Set<AnyCancellable>()
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private weak var scene: UIScene!
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private weak var sceneDelegate: SceneDelegate!
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private weak var appContext: AppContext!
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let id = UUID().uuidString
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private(set) weak var tabBarController: MainTabBarController!
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private(set) weak var splitViewController: RootSplitViewController?
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private(set) var wizardViewController: WizardViewController?
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private(set) var secondaryStackHashValues = Set<Int>()
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init(scene: UIScene, sceneDelegate: SceneDelegate, appContext: AppContext) {
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self.scene = scene
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self.sceneDelegate = sceneDelegate
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self.appContext = appContext
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scene.session.sceneCoordinator = self
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appContext.notificationService.requestRevealNotificationPublisher
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.receive(on: DispatchQueue.main)
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.compactMap { [weak self] pushNotification -> AnyPublisher<MastodonPushNotification?, Never> in
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guard let self = self else { return Just(nil).eraseToAnyPublisher() }
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// skip if no available account
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guard let currentActiveAuthenticationBox = appContext.authenticationService.activeMastodonAuthenticationBox.value else {
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return Just(nil).eraseToAnyPublisher()
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}
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let accessToken = pushNotification.accessToken // use raw accessToken value without normalize
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if currentActiveAuthenticationBox.userAuthorization.accessToken == accessToken {
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// do nothing if notification for current account
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return Just(pushNotification).eraseToAnyPublisher()
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} else {
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// switch to notification's account
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let request = MastodonAuthentication.sortedFetchRequest
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request.predicate = MastodonAuthentication.predicate(userAccessToken: accessToken)
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request.returnsObjectsAsFaults = false
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request.fetchLimit = 1
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do {
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guard let authentication = try appContext.managedObjectContext.fetch(request).first else {
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return Just(nil).eraseToAnyPublisher()
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}
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let domain = authentication.domain
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let userID = authentication.userID
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return appContext.authenticationService.activeMastodonUser(domain: domain, userID: userID)
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.receive(on: DispatchQueue.main)
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.map { [weak self] result -> MastodonPushNotification? in
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guard let self = self else { return nil }
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switch result {
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case .success:
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// reset view hierarchy
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self.setup()
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return pushNotification
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case .failure:
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return nil
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}
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}
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.delay(for: 1, scheduler: DispatchQueue.main) // set delay to slow transition (not must)
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.eraseToAnyPublisher()
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} catch {
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assertionFailure(error.localizedDescription)
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return Just(nil).eraseToAnyPublisher()
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}
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}
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}
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.switchToLatest()
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.receive(on: DispatchQueue.main)
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.sink { [weak self] pushNotification in
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guard let self = self else { return }
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guard let pushNotification = pushNotification else { return }
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// redirect to notification tab
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self.switchToTabBar(tab: .notification)
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// Delay in next run loop
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DispatchQueue.main.async { [weak self] in
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guard let self = self else { return }
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// Note:
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// show (push) on phone and pad
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let from: UIViewController? = {
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if let splitViewController = self.splitViewController {
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if splitViewController.compactMainTabBarViewController.topMost?.view.window != nil {
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// compact
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return splitViewController.compactMainTabBarViewController.topMost
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} else {
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// expand
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return splitViewController.contentSplitViewController.mainTabBarController.topMost
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}
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} else {
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return self.tabBarController.topMost
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}
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}()
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// show notification related content
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guard let type = Mastodon.Entity.Notification.NotificationType(rawValue: pushNotification.notificationType) else { return }
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let notificationID = String(pushNotification.notificationID)
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switch type {
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case .follow:
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let profileViewModel = RemoteProfileViewModel(context: appContext, notificationID: notificationID)
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self.present(scene: .profile(viewModel: profileViewModel), from: from, transition: .show)
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case .followRequest:
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// do nothing
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break
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case .mention, .reblog, .favourite, .poll, .status:
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let threadViewModel = RemoteThreadViewModel(context: appContext, notificationID: notificationID)
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self.present(scene: .thread(viewModel: threadViewModel), from: from, transition: .show)
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case ._other:
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assertionFailure()
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break
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}
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} // end DispatchQueue.main.async
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}
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.store(in: &disposeBag)
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}
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}
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extension SceneCoordinator {
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enum Transition {
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case show // push
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case showDetail // replace
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case modal(animated: Bool, completion: (() -> Void)? = nil)
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case popover(sourceView: UIView)
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case panModal
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case custom(transitioningDelegate: UIViewControllerTransitioningDelegate)
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case customPush(animated: Bool)
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case safariPresent(animated: Bool, completion: (() -> Void)? = nil)
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case alertController(animated: Bool, completion: (() -> Void)? = nil)
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case activityViewControllerPresent(animated: Bool, completion: (() -> Void)? = nil)
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}
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enum Scene {
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// onboarding
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case welcome
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case mastodonPickServer(viewMode: MastodonPickServerViewModel)
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case mastodonRegister(viewModel: MastodonRegisterViewModel)
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case mastodonServerRules(viewModel: MastodonServerRulesViewModel)
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case mastodonConfirmEmail(viewModel: MastodonConfirmEmailViewModel)
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case mastodonResendEmail(viewModel: MastodonResendEmailViewModel)
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case mastodonWebView(viewModel:WebViewModel)
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// search
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case searchDetail(viewModel: SearchDetailViewModel)
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// compose
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case compose(viewModel: ComposeViewModel)
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// thread
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case thread(viewModel: ThreadViewModel)
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// Hashtag Timeline
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case hashtagTimeline(viewModel: HashtagTimelineViewModel)
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// profile
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case accountList
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case profile(viewModel: ProfileViewModel)
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case favorite(viewModel: FavoriteViewModel)
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case follower(viewModel: FollowerListViewModel)
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case following(viewModel: FollowingListViewModel)
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// setting
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case settings(viewModel: SettingsViewModel)
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// report
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case report(viewModel: ReportViewModel)
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case reportSupplementary(viewModel: ReportSupplementaryViewModel)
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case reportResult(viewModel: ReportResultViewModel)
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// suggestion account
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case suggestionAccount(viewModel: SuggestionAccountViewModel)
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// media preview
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case mediaPreview(viewModel: MediaPreviewViewModel)
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// misc
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case safari(url: URL)
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case alertController(alertController: UIAlertController)
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case activityViewController(activityViewController: UIActivityViewController, sourceView: UIView?, barButtonItem: UIBarButtonItem?)
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var isOnboarding: Bool {
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switch self {
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case .welcome,
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.mastodonPickServer,
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.mastodonRegister,
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.mastodonServerRules,
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.mastodonConfirmEmail,
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.mastodonResendEmail:
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return true
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default:
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return false
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}
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}
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} // end enum Scene { }
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}
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extension SceneCoordinator {
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func setup() {
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let rootViewController: UIViewController
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switch UIDevice.current.userInterfaceIdiom {
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case .phone:
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let viewController = MainTabBarController(context: appContext, coordinator: self)
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self.splitViewController = nil
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self.tabBarController = viewController
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rootViewController = viewController
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default:
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let splitViewController = RootSplitViewController(context: appContext, coordinator: self)
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self.splitViewController = splitViewController
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self.tabBarController = splitViewController.contentSplitViewController.mainTabBarController
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rootViewController = splitViewController
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}
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let wizardViewController = WizardViewController()
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if !wizardViewController.items.isEmpty,
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let delegate = rootViewController as? WizardViewControllerDelegate
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{
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// do not add as child view controller.
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// otherwise, the tab bar controller will add as a new tab
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wizardViewController.delegate = delegate
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wizardViewController.view.autoresizingMask = [.flexibleWidth, .flexibleHeight]
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wizardViewController.view.frame = rootViewController.view.bounds
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rootViewController.view.addSubview(wizardViewController.view)
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self.wizardViewController = wizardViewController
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}
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sceneDelegate.window?.rootViewController = rootViewController
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}
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func setupOnboardingIfNeeds(animated: Bool) {
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// Check user authentication status and show onboarding if needs
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do {
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let request = MastodonAuthentication.sortedFetchRequest
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if try appContext.managedObjectContext.count(for: request) == 0 {
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DispatchQueue.main.async {
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self.present(
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scene: .welcome,
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from: self.sceneDelegate.window?.rootViewController,
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transition: .modal(animated: animated, completion: nil)
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)
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}
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}
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} catch {
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assertionFailure(error.localizedDescription)
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}
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}
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@discardableResult
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@MainActor
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func present(scene: Scene, from sender: UIViewController?, transition: Transition) -> UIViewController? {
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guard let viewController = get(scene: scene) else {
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return nil
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}
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guard var presentingViewController = sender ?? sceneDelegate.window?.rootViewController?.topMost else {
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return nil
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}
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// adapt for child controller
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if let navigationControllerVisibleViewController = presentingViewController.navigationController?.visibleViewController {
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switch viewController {
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case is ProfileViewController:
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let title: String = {
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let title = navigationControllerVisibleViewController.navigationItem.title ?? ""
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return title.count > 10 ? "" : title
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}()
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let barButtonItem = UIBarButtonItem(title: title, style: .plain, target: nil, action: nil)
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barButtonItem.tintColor = .white
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navigationControllerVisibleViewController.navigationItem.backBarButtonItem = barButtonItem
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default:
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navigationControllerVisibleViewController.navigationItem.backBarButtonItem = nil
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}
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}
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if let mainTabBarController = presentingViewController as? MainTabBarController,
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let navigationController = mainTabBarController.selectedViewController as? UINavigationController,
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let topViewController = navigationController.topViewController {
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presentingViewController = topViewController
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}
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switch transition {
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case .show:
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presentingViewController.show(viewController, sender: sender)
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case .showDetail:
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secondaryStackHashValues.insert(viewController.hashValue)
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let navigationController = AdaptiveStatusBarStyleNavigationController(rootViewController: viewController)
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presentingViewController.showDetailViewController(navigationController, sender: sender)
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case .modal(let animated, let completion):
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let modalNavigationController: UINavigationController = {
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if scene.isOnboarding {
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return OnboardingNavigationController(rootViewController: viewController)
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} else {
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return AdaptiveStatusBarStyleNavigationController(rootViewController: viewController)
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}
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}()
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modalNavigationController.modalPresentationCapturesStatusBarAppearance = true
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if let adaptivePresentationControllerDelegate = viewController as? UIAdaptivePresentationControllerDelegate {
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modalNavigationController.presentationController?.delegate = adaptivePresentationControllerDelegate
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}
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presentingViewController.present(modalNavigationController, animated: animated, completion: completion)
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case .panModal:
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guard let panModalPresentable = viewController as? PanModalPresentable & UIViewController else {
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assertionFailure()
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return nil
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}
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// https://github.com/slackhq/PanModal/issues/74#issuecomment-572426441
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panModalPresentable.modalPresentationStyle = .custom
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panModalPresentable.modalPresentationCapturesStatusBarAppearance = true
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panModalPresentable.transitioningDelegate = PanModalPresentationDelegate.default
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presentingViewController.present(panModalPresentable, animated: true, completion: nil)
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//presentingViewController.presentPanModal(panModalPresentable)
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case .popover(let sourceView):
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viewController.modalPresentationStyle = .popover
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viewController.popoverPresentationController?.sourceView = sourceView
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(splitViewController ?? presentingViewController)?.present(viewController, animated: true, completion: nil)
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case .custom(let transitioningDelegate):
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viewController.modalPresentationStyle = .custom
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viewController.transitioningDelegate = transitioningDelegate
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(splitViewController ?? presentingViewController)?.present(viewController, animated: true, completion: nil)
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case .customPush(let animated):
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// set delegate in view controller
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assert(sender?.navigationController?.delegate != nil)
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sender?.navigationController?.pushViewController(viewController, animated: animated)
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case .safariPresent(let animated, let completion):
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if UserDefaults.shared.preferredUsingDefaultBrowser, case let .safari(url) = scene {
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UIApplication.shared.open(url, options: [:], completionHandler: nil)
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} else {
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viewController.modalPresentationCapturesStatusBarAppearance = true
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presentingViewController.present(viewController, animated: animated, completion: completion)
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}
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case .alertController(let animated, let completion):
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viewController.modalPresentationCapturesStatusBarAppearance = true
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presentingViewController.present(viewController, animated: animated, completion: completion)
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case .activityViewControllerPresent(let animated, let completion):
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viewController.modalPresentationCapturesStatusBarAppearance = true
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presentingViewController.present(viewController, animated: animated, completion: completion)
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}
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return viewController
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}
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func switchToTabBar(tab: MainTabBarController.Tab) {
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splitViewController?.contentSplitViewController.currentSupplementaryTab = tab
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splitViewController?.compactMainTabBarViewController.selectedIndex = tab.rawValue
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splitViewController?.compactMainTabBarViewController.currentTab = tab
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tabBarController.selectedIndex = tab.rawValue
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tabBarController.currentTab = tab
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}
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}
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private extension SceneCoordinator {
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func get(scene: Scene) -> UIViewController? {
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let viewController: UIViewController?
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switch scene {
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case .welcome:
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let _viewController = WelcomeViewController()
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viewController = _viewController
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case .mastodonPickServer(let viewModel):
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let _viewController = MastodonPickServerViewController()
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_viewController.viewModel = viewModel
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viewController = _viewController
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case .mastodonRegister(let viewModel):
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let _viewController = MastodonRegisterViewController()
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_viewController.viewModel = viewModel
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viewController = _viewController
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case .mastodonServerRules(let viewModel):
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let _viewController = MastodonServerRulesViewController()
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_viewController.viewModel = viewModel
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viewController = _viewController
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case .mastodonConfirmEmail(let viewModel):
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let _viewController = MastodonConfirmEmailViewController()
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_viewController.viewModel = viewModel
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viewController = _viewController
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case .mastodonResendEmail(let viewModel):
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let _viewController = MastodonResendEmailViewController()
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_viewController.viewModel = viewModel
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viewController = _viewController
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case .mastodonWebView(let viewModel):
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let _viewController = WebViewController()
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_viewController.viewModel = viewModel
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viewController = _viewController
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case .searchDetail(let viewModel):
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let _viewController = SearchDetailViewController()
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_viewController.viewModel = viewModel
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viewController = _viewController
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case .compose(let viewModel):
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let _viewController = ComposeViewController()
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_viewController.viewModel = viewModel
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viewController = _viewController
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case .thread(let viewModel):
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let _viewController = ThreadViewController()
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_viewController.viewModel = viewModel
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viewController = _viewController
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case .hashtagTimeline(let viewModel):
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let _viewController = HashtagTimelineViewController()
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_viewController.viewModel = viewModel
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viewController = _viewController
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case .accountList:
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let _viewController = AccountListViewController()
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viewController = _viewController
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case .profile(let viewModel):
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let _viewController = ProfileViewController()
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_viewController.viewModel = viewModel
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viewController = _viewController
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case .favorite(let viewModel):
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let _viewController = FavoriteViewController()
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_viewController.viewModel = viewModel
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viewController = _viewController
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case .follower(let viewModel):
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let _viewController = FollowerListViewController()
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_viewController.viewModel = viewModel
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viewController = _viewController
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case .following(let viewModel):
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let _viewController = FollowingListViewController()
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_viewController.viewModel = viewModel
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viewController = _viewController
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case .report(let viewModel):
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let _viewController = ReportViewController()
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_viewController.viewModel = viewModel
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viewController = _viewController
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case .reportSupplementary(let viewModel):
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let _viewController = ReportSupplementaryViewController()
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_viewController.viewModel = viewModel
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viewController = _viewController
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case .reportResult(let viewModel):
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let _viewController = ReportResultViewController()
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_viewController.viewModel = viewModel
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viewController = _viewController
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case .suggestionAccount(let viewModel):
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let _viewController = SuggestionAccountViewController()
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_viewController.viewModel = viewModel
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viewController = _viewController
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case .mediaPreview(let viewModel):
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let _viewController = MediaPreviewViewController()
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_viewController.viewModel = viewModel
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viewController = _viewController
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case .safari(let url):
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guard let scheme = url.scheme?.lowercased(),
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scheme == "http" || scheme == "https" else {
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return nil
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}
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let _viewController = SFSafariViewController(url: url)
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_viewController.preferredBarTintColor = ThemeService.shared.currentTheme.value.navigationBarBackgroundColor
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_viewController.preferredControlTintColor = Asset.Colors.brandBlue.color
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viewController = _viewController
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case .alertController(let alertController):
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if let popoverPresentationController = alertController.popoverPresentationController {
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assert(
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popoverPresentationController.sourceView != nil ||
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popoverPresentationController.sourceRect != .zero ||
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popoverPresentationController.barButtonItem != nil
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)
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}
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viewController = alertController
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case .activityViewController(let activityViewController, let sourceView, let barButtonItem):
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activityViewController.popoverPresentationController?.sourceView = sourceView
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activityViewController.popoverPresentationController?.barButtonItem = barButtonItem
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viewController = activityViewController
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case .settings(let viewModel):
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let _viewController = SettingsViewController()
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_viewController.viewModel = viewModel
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viewController = _viewController
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}
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setupDependency(for: viewController as? NeedsDependency)
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return viewController
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}
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private func setupDependency(for needs: NeedsDependency?) {
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needs?.context = appContext
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needs?.coordinator = self
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}
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}
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