321 lines
13 KiB
Swift
321 lines
13 KiB
Swift
//
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// MastodonServerRulesViewController.swift
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// Mastodon
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//
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// Created by MainasuK Cirno on 2021-2-22.
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//
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import os.log
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import UIKit
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import Combine
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import MastodonSDK
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import SafariServices
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import MetaTextKit
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final class MastodonServerRulesViewController: UIViewController, NeedsDependency {
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var disposeBag = Set<AnyCancellable>()
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weak var context: AppContext! { willSet { precondition(!isViewLoaded) } }
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weak var coordinator: SceneCoordinator! { willSet { precondition(!isViewLoaded) } }
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var viewModel: MastodonServerRulesViewModel!
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let stackView = UIStackView()
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let largeTitleLabel: UILabel = {
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let label = UILabel()
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label.font = UIFontMetrics(forTextStyle: .largeTitle).scaledFont(for: .systemFont(ofSize: 34, weight: .bold))
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label.textColor = .label
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label.text = L10n.Scene.ServerRules.title
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label.numberOfLines = 0
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return label
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}()
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private(set) lazy var subtitleLabel: UILabel = {
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let label = UILabel()
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label.font = UIFontMetrics(forTextStyle: .title1).scaledFont(for: UIFont.systemFont(ofSize: 20))
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label.textColor = .secondaryLabel
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label.text = L10n.Scene.ServerRules.subtitle(viewModel.domain)
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label.numberOfLines = 0
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return label
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}()
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let rulesLabel: UILabel = {
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let label = UILabel()
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label.font = UIFontMetrics(forTextStyle: .body).scaledFont(for: .systemFont(ofSize: 17, weight: .semibold))
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label.textColor = Asset.Colors.Label.primary.color
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label.text = "Rules"
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label.numberOfLines = 0
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return label
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}()
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let bottomContainerView: UIView = {
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let view = UIView()
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view.backgroundColor = Asset.Theme.Mastodon.systemGroupedBackground.color
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return view
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}()
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private(set) lazy var bottomPromptMetaText: MetaText = {
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let metaText = MetaText()
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metaText.textAttributes = [
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.font: UIFontMetrics(forTextStyle: .body).scaledFont(for: .systemFont(ofSize: 17, weight: .regular), maximumPointSize: 22),
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.foregroundColor: UIColor.label,
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]
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metaText.linkAttributes = [
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.font: UIFontMetrics(forTextStyle: .body).scaledFont(for: .systemFont(ofSize: 17, weight: .regular), maximumPointSize: 22),
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.foregroundColor: Asset.Colors.brandBlue.color,
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]
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metaText.textView.isEditable = false
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metaText.textView.isSelectable = false
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metaText.textView.isScrollEnabled = false
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metaText.textView.backgroundColor = Asset.Theme.Mastodon.systemGroupedBackground.color // needs background color to prevent server rules text overlap
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return metaText
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}()
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let confirmButton: PrimaryActionButton = {
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let button = PrimaryActionButton()
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button.setTitle(L10n.Scene.ServerRules.Button.confirm, for: .normal)
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return button
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}()
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let scrollView: UIScrollView = {
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let scrollView = UIScrollView()
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scrollView.alwaysBounceVertical = true
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scrollView.showsVerticalScrollIndicator = false
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return scrollView
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}()
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deinit {
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os_log(.info, log: .debug, "%{public}s[%{public}ld], %{public}s", ((#file as NSString).lastPathComponent), #line, #function)
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}
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}
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extension MastodonServerRulesViewController {
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override func viewDidLoad() {
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super.viewDidLoad()
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setupOnboardingAppearance()
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configureTitleLabel()
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configureMargin()
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configTextView()
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defer { setupNavigationBarBackgroundView() }
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bottomContainerView.translatesAutoresizingMaskIntoConstraints = false
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view.addSubview(bottomContainerView)
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NSLayoutConstraint.activate([
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view.bottomAnchor.constraint(equalTo: bottomContainerView.bottomAnchor),
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bottomContainerView.leadingAnchor.constraint(equalTo: view.leadingAnchor),
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bottomContainerView.trailingAnchor.constraint(equalTo: view.trailingAnchor),
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])
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bottomContainerView.preservesSuperviewLayoutMargins = true
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defer {
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view.bringSubviewToFront(bottomContainerView)
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}
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confirmButton.translatesAutoresizingMaskIntoConstraints = false
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bottomContainerView.addSubview(confirmButton)
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NSLayoutConstraint.activate([
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bottomContainerView.layoutMarginsGuide.bottomAnchor.constraint(equalTo: confirmButton.bottomAnchor, constant: MastodonServerRulesViewController.viewBottomPaddingHeight),
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confirmButton.leadingAnchor.constraint(equalTo: bottomContainerView.layoutMarginsGuide.leadingAnchor),
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bottomContainerView.layoutMarginsGuide.trailingAnchor.constraint(equalTo: confirmButton.trailingAnchor),
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confirmButton.heightAnchor.constraint(equalToConstant: MastodonServerRulesViewController.actionButtonHeight).priority(.defaultHigh),
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])
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bottomPromptMetaText.textView.translatesAutoresizingMaskIntoConstraints = false
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bottomContainerView.addSubview(bottomPromptMetaText.textView)
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NSLayoutConstraint.activate([
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bottomPromptMetaText.textView.frameLayoutGuide.topAnchor.constraint(equalTo: bottomContainerView.topAnchor, constant: 20),
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bottomPromptMetaText.textView.frameLayoutGuide.leadingAnchor.constraint(equalTo: bottomContainerView.layoutMarginsGuide.leadingAnchor),
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bottomPromptMetaText.textView.frameLayoutGuide.trailingAnchor.constraint(equalTo: bottomContainerView.layoutMarginsGuide.trailingAnchor),
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confirmButton.topAnchor.constraint(equalTo: bottomPromptMetaText.textView.frameLayoutGuide.bottomAnchor, constant: 20),
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])
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scrollView.translatesAutoresizingMaskIntoConstraints = false
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view.addSubview(scrollView)
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NSLayoutConstraint.activate([
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scrollView.frameLayoutGuide.topAnchor.constraint(equalTo: view.topAnchor),
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scrollView.frameLayoutGuide.leadingAnchor.constraint(equalTo: view.readableContentGuide.leadingAnchor),
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scrollView.frameLayoutGuide.trailingAnchor.constraint(equalTo: view.readableContentGuide.trailingAnchor),
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scrollView.frameLayoutGuide.bottomAnchor.constraint(equalTo: view.bottomAnchor),
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scrollView.frameLayoutGuide.widthAnchor.constraint(equalTo: scrollView.contentLayoutGuide.widthAnchor),
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])
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stackView.axis = .vertical
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stackView.distribution = .fill
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stackView.spacing = 10
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stackView.isLayoutMarginsRelativeArrangement = true
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stackView.layoutMargins = UIEdgeInsets(top: 20, left: 0, bottom: 20, right: 0)
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stackView.addArrangedSubview(largeTitleLabel)
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stackView.addArrangedSubview(subtitleLabel)
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stackView.addArrangedSubview(rulesLabel)
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stackView.translatesAutoresizingMaskIntoConstraints = false
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scrollView.addSubview(stackView)
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NSLayoutConstraint.activate([
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stackView.topAnchor.constraint(equalTo: scrollView.contentLayoutGuide.topAnchor),
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stackView.leadingAnchor.constraint(equalTo: scrollView.contentLayoutGuide.leadingAnchor),
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stackView.trailingAnchor.constraint(equalTo: scrollView.contentLayoutGuide.trailingAnchor),
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scrollView.contentLayoutGuide.bottomAnchor.constraint(equalTo: stackView.bottomAnchor),
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])
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rulesLabel.attributedText = viewModel.rulesAttributedString
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confirmButton.addTarget(self, action: #selector(MastodonServerRulesViewController.confirmButtonPressed(_:)), for: .touchUpInside)
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}
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override func viewDidAppear(_ animated: Bool) {
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super.viewDidAppear(animated)
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scrollView.flashScrollIndicators()
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}
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override func viewDidLayoutSubviews() {
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super.viewDidLayoutSubviews()
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updateScrollViewContentInset()
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}
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override func viewSafeAreaInsetsDidChange() {
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super.viewSafeAreaInsetsDidChange()
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updateScrollViewContentInset()
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}
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override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {
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super.traitCollectionDidChange(previousTraitCollection)
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setupNavigationBarAppearance()
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configureTitleLabel()
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configureMargin()
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}
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}
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extension MastodonServerRulesViewController {
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private func configureTitleLabel() {
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guard UIDevice.current.userInterfaceIdiom == .pad else {
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return
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}
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switch traitCollection.horizontalSizeClass {
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case .regular:
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navigationItem.largeTitleDisplayMode = .always
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navigationItem.title = L10n.Scene.ServerRules.title.replacingOccurrences(of: "\n", with: " ")
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largeTitleLabel.isHidden = true
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default:
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navigationItem.leftBarButtonItem = nil
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navigationItem.largeTitleDisplayMode = .never
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navigationItem.title = nil
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largeTitleLabel.isHidden = false
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}
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}
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private func configureMargin() {
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switch traitCollection.horizontalSizeClass {
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case .regular:
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let margin = MastodonPickServerViewController.viewEdgeMargin
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stackView.layoutMargins = UIEdgeInsets(top: 32, left: margin, bottom: 20, right: margin)
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bottomContainerView.layoutMargins = UIEdgeInsets(top: 0, left: margin, bottom: 0, right: margin)
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default:
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stackView.layoutMargins = UIEdgeInsets(top: 20, left: 0, bottom: 20, right: 0)
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bottomContainerView.layoutMargins = .zero
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}
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}
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}
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extension MastodonServerRulesViewController {
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func updateScrollViewContentInset() {
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view.layoutIfNeeded()
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scrollView.contentInset.bottom = bottomContainerView.frame.height
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scrollView.verticalScrollIndicatorInsets.bottom = bottomContainerView.frame.height
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}
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func configTextView() {
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let metaContent = ServerRulesPromptMetaContent(domain: viewModel.domain)
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bottomPromptMetaText.configure(content: metaContent)
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bottomPromptMetaText.textView.linkDelegate = self
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}
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struct ServerRulesPromptMetaContent: MetaContent {
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let string: String
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let entities: [Meta.Entity]
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init(domain: String) {
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let _string = L10n.Scene.ServerRules.prompt(domain)
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self.string = _string
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var _entities: [Meta.Entity] = []
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let termsOfServiceText = L10n.Scene.ServerRules.termsOfService
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if let termsOfServiceRange = _string.range(of: termsOfServiceText) {
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let url = Mastodon.API.serverRulesURL(domain: domain)
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let entity = Meta.Entity(range: NSRange(termsOfServiceRange, in: _string), meta: .url(termsOfServiceText, trimmed: termsOfServiceText, url: url.absoluteString, userInfo: nil))
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_entities.append(entity)
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}
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let privacyPolicyText = L10n.Scene.ServerRules.privacyPolicy
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if let privacyPolicyRange = _string.range(of: privacyPolicyText) {
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let url = Mastodon.API.privacyURL(domain: domain)
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let entity = Meta.Entity(range: NSRange(privacyPolicyRange, in: _string), meta: .url(privacyPolicyText, trimmed: privacyPolicyText, url: url.absoluteString, userInfo: nil))
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_entities.append(entity)
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}
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self.entities = _entities
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}
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func metaAttachment(for entity: Meta.Entity) -> MetaAttachment? {
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return nil
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}
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}
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}
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extension MastodonServerRulesViewController: UITextViewDelegate {
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func textView(_ textView: UITextView, shouldInteractWith URL: URL, in characterRange: NSRange, interaction: UITextItemInteraction) -> Bool {
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return false
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}
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}
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// MARK: - MetaTextViewDelegate
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extension MastodonServerRulesViewController: MetaTextViewDelegate {
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func metaTextView(_ metaTextView: MetaTextView, didSelectMeta meta: Meta) {
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switch meta {
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case .url(_, _, let url, _):
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guard let url = URL(string: url) else { return }
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coordinator.present(scene: .safari(url: url), from: nil, transition: .safariPresent(animated: true, completion: nil))
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default:
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break
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}
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}
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}
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extension MastodonServerRulesViewController {
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@objc private func confirmButtonPressed(_ sender: UIButton) {
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os_log(.info, log: .debug, "%{public}s[%{public}ld], %{public}s", ((#file as NSString).lastPathComponent), #line, #function)
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let viewModel = MastodonRegisterViewModel(domain: self.viewModel.domain, context: self.context, authenticateInfo: self.viewModel.authenticateInfo, instance: self.viewModel.instance, applicationToken: self.viewModel.applicationToken)
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self.coordinator.present(scene: .mastodonRegister(viewModel: viewModel), from: self, transition: .show)
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}
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}
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// MARK: - OnboardingViewControllerAppearance
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extension MastodonServerRulesViewController: OnboardingViewControllerAppearance { }
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#if canImport(SwiftUI) && DEBUG
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import SwiftUI
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struct ServerRulesViewController_Previews: PreviewProvider {
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static var previews: some View {
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UIViewControllerPreview {
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let viewController = MastodonServerRulesViewController()
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return viewController
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}
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.previewLayout(.fixed(width: 375, height: 800))
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}
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}
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#endif
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