166 lines
7.1 KiB
Swift
166 lines
7.1 KiB
Swift
// Copyright © 2023 Mastodon gGmbH. All rights reserved.
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import UIKit
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import MastodonSDK
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import MastodonLocalization
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import MetaTextKit
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import MastodonCore
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enum ServerDetailsTab: Int, CaseIterable {
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case about = 0
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case rules = 1
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var title: String {
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switch self {
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case .about: return L10n.Scene.Settings.ServerDetails.about
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case .rules: return L10n.Scene.Settings.ServerDetails.rules
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}
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}
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}
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protocol ServerDetailsViewControllerDelegate: AnyObject {}
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class ServerDetailsViewController: UIViewController {
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weak var delegate: (ServerDetailsViewControllerDelegate & AboutInstanceViewControllerDelegate & InstanceRulesViewControllerDelegate & MetaLabelDelegate)? {
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didSet {
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aboutInstanceViewController.delegate = delegate
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aboutInstanceViewController.footerView.contentLabel.linkDelegate = delegate
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}
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}
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let pageController: UIPageViewController
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private let segmentedControlWrapper: UIView
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let segmentedControl: UISegmentedControl
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let aboutInstanceViewController: AboutInstanceViewController
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let instanceRulesViewController: InstanceRulesViewController
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let containerView: UIView
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init(domain: String, appContext: AppContext, authContext: AuthContext, sceneCoordinator: SceneCoordinator) {
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segmentedControl = UISegmentedControl()
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segmentedControl.translatesAutoresizingMaskIntoConstraints = false
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segmentedControlWrapper = UIView()
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segmentedControlWrapper.translatesAutoresizingMaskIntoConstraints = false
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segmentedControlWrapper.addSubview(segmentedControl)
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containerView = UIView()
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containerView.translatesAutoresizingMaskIntoConstraints = false
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aboutInstanceViewController = AboutInstanceViewController(context: appContext, authContext: authContext, coordinator: sceneCoordinator)
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instanceRulesViewController = InstanceRulesViewController()
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pageController = UIPageViewController(transitionStyle: .scroll, navigationOrientation: .horizontal)
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pageController.setViewControllers([aboutInstanceViewController], direction: .forward, animated: false)
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pageController.view.translatesAutoresizingMaskIntoConstraints = false
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super.init(nibName: nil, bundle: nil)
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view.addSubview(segmentedControlWrapper)
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view.addSubview(containerView)
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view.backgroundColor = .systemGroupedBackground
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containerView.addSubview(pageController.view)
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addChild(pageController)
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pageController.didMove(toParent: self)
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pageController.delegate = self
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pageController.dataSource = self
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ServerDetailsTab.allCases.forEach {
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segmentedControl.insertSegment(withTitle: $0.title, at: $0.rawValue, animated: false)
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}
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segmentedControl.selectedSegmentIndex = ServerDetailsTab.about.rawValue
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segmentedControl.addTarget(self, action: #selector(ServerDetailsViewController.segmentedControlValueChanged(_:)), for: .valueChanged)
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setupConstraints()
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title = domain
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setupNavigationBarAppearance()
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setupNavigationBarBackgroundView()
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}
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required init?(coder: NSCoder) { fatalError("init(coder:) has not been implemented") }
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private func setupConstraints() {
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let constraints = [
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segmentedControlWrapper.topAnchor.constraint(equalTo: view.safeAreaLayoutGuide.topAnchor),
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segmentedControlWrapper.leadingAnchor.constraint(equalTo: view.leadingAnchor),
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view.trailingAnchor.constraint(equalTo: segmentedControlWrapper.trailingAnchor),
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containerView.topAnchor.constraint(equalTo: segmentedControlWrapper.bottomAnchor),
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containerView.leadingAnchor.constraint(equalTo: view.leadingAnchor),
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view.trailingAnchor.constraint(equalTo: containerView.trailingAnchor),
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view.bottomAnchor.constraint(equalTo: containerView.bottomAnchor),
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segmentedControl.topAnchor.constraint(equalTo: segmentedControlWrapper.topAnchor, constant: 4),
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segmentedControl.leadingAnchor.constraint(equalTo: segmentedControlWrapper.leadingAnchor, constant: 16),
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segmentedControlWrapper.trailingAnchor.constraint(equalTo: segmentedControl.trailingAnchor, constant: 16),
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segmentedControlWrapper.bottomAnchor.constraint(equalTo: segmentedControl.bottomAnchor, constant: 8),
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pageController.view.topAnchor.constraint(equalTo: containerView.topAnchor),
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pageController.view.leadingAnchor.constraint(equalTo: containerView.leadingAnchor),
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containerView.trailingAnchor.constraint(equalTo: pageController.view.trailingAnchor),
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containerView.bottomAnchor.constraint(equalTo: pageController.view.bottomAnchor),
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]
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NSLayoutConstraint.activate(constraints)
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}
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//MARK: - Actions
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@objc
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func segmentedControlValueChanged(_ sender: UISegmentedControl) {
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guard let selectedTab = ServerDetailsTab(rawValue: sender.selectedSegmentIndex) else { return }
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switch selectedTab {
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case .about:
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pageController.setViewControllers([aboutInstanceViewController], direction: .reverse, animated: true)
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case .rules:
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pageController.setViewControllers([instanceRulesViewController], direction: .forward, animated: true)
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}
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}
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func update(with instance: Mastodon.Entity.V2.Instance) {
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aboutInstanceViewController.update(with: instance)
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instanceRulesViewController.update(with: instance)
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}
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func updateFooter(with extendedDescription: Mastodon.Entity.ExtendedDescription) {
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aboutInstanceViewController.updateFooter(with: extendedDescription)
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}
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}
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//MARK: - UIPageViewControllerDataSource
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extension ServerDetailsViewController: UIPageViewControllerDataSource {
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func pageViewController(_ pageViewController: UIPageViewController, viewControllerBefore viewController: UIViewController) -> UIViewController? {
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if viewController == instanceRulesViewController {
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return aboutInstanceViewController
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} else {
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return nil
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}
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}
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func pageViewController(_ pageViewController: UIPageViewController, viewControllerAfter viewController: UIViewController) -> UIViewController? {
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if viewController == aboutInstanceViewController {
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return instanceRulesViewController
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} else {
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return nil
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}
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}
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}
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//MARK: - UIPageViewControllerDelegate
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extension ServerDetailsViewController: UIPageViewControllerDelegate {
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func pageViewController(_ pageViewController: UIPageViewController, didFinishAnimating finished: Bool, previousViewControllers: [UIViewController], transitionCompleted completed: Bool) {
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guard let currentViewController = pageViewController.viewControllers?.first else { return }
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if currentViewController == aboutInstanceViewController {
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segmentedControl.selectedSegmentIndex = ServerDetailsTab.about.rawValue
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} else if currentViewController == instanceRulesViewController {
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segmentedControl.selectedSegmentIndex = ServerDetailsTab.rules.rawValue
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}
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}
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}
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extension ServerDetailsViewController: OnboardingViewControllerAppearance {}
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