mastodon-ios/Mastodon/Scene/Onboarding/ServerRules/MastodonServerRulesViewCont...

271 lines
12 KiB
Swift

//
// MastodonServerRulesViewController.swift
// Mastodon
//
// Created by MainasuK Cirno on 2021-2-22.
//
import os.log
import UIKit
import Combine
import MastodonSDK
import SafariServices
import MetaTextKit
final class MastodonServerRulesViewController: UIViewController, NeedsDependency {
var disposeBag = Set<AnyCancellable>()
weak var context: AppContext! { willSet { precondition(!isViewLoaded) } }
weak var coordinator: SceneCoordinator! { willSet { precondition(!isViewLoaded) } }
var viewModel: MastodonServerRulesViewModel!
let largeTitleLabel: UILabel = {
let label = UILabel()
label.font = UIFontMetrics(forTextStyle: .largeTitle).scaledFont(for: .systemFont(ofSize: 34, weight: .bold))
label.textColor = .label
label.text = L10n.Scene.ServerRules.title
label.numberOfLines = 0
return label
}()
private(set) lazy var subtitleLabel: UILabel = {
let label = UILabel()
label.font = UIFontMetrics(forTextStyle: .title1).scaledFont(for: UIFont.systemFont(ofSize: 20))
label.textColor = .secondaryLabel
label.text = L10n.Scene.ServerRules.subtitle(viewModel.domain)
label.numberOfLines = 0
return label
}()
let rulesLabel: UILabel = {
let label = UILabel()
label.font = UIFontMetrics(forTextStyle: .body).scaledFont(for: .systemFont(ofSize: 17, weight: .semibold))
label.textColor = Asset.Colors.Label.primary.color
label.text = "Rules"
label.numberOfLines = 0
return label
}()
let bottomContainerView: UIView = {
let view = UIView()
view.backgroundColor = Asset.Theme.Mastodon.systemGroupedBackground.color
return view
}()
private(set) lazy var bottomPromptMetaText: MetaText = {
let metaText = MetaText()
metaText.textAttributes = [
.font: UIFontMetrics(forTextStyle: .body).scaledFont(for: .systemFont(ofSize: 17, weight: .regular), maximumPointSize: 22),
.foregroundColor: UIColor.label,
]
metaText.linkAttributes = [
.font: UIFontMetrics(forTextStyle: .body).scaledFont(for: .systemFont(ofSize: 17, weight: .regular), maximumPointSize: 22),
.foregroundColor: Asset.Colors.brandBlue.color,
]
metaText.textView.isEditable = false
metaText.textView.isSelectable = false
metaText.textView.isScrollEnabled = false
metaText.textView.backgroundColor = Asset.Theme.Mastodon.systemGroupedBackground.color // needs background color to prevent server rules text overlap
return metaText
}()
let confirmButton: PrimaryActionButton = {
let button = PrimaryActionButton()
button.setTitle(L10n.Scene.ServerRules.Button.confirm, for: .normal)
return button
}()
let scrollView: UIScrollView = {
let scrollView = UIScrollView()
scrollView.alwaysBounceVertical = true
scrollView.showsVerticalScrollIndicator = false
return scrollView
}()
deinit {
os_log(.info, log: .debug, "%{public}s[%{public}ld], %{public}s", ((#file as NSString).lastPathComponent), #line, #function)
}
}
extension MastodonServerRulesViewController {
override func viewDidLoad() {
super.viewDidLoad()
setupOnboardingAppearance()
configTextView()
defer { setupNavigationBarBackgroundView() }
bottomContainerView.translatesAutoresizingMaskIntoConstraints = false
view.addSubview(bottomContainerView)
NSLayoutConstraint.activate([
view.bottomAnchor.constraint(equalTo: bottomContainerView.bottomAnchor),
bottomContainerView.leadingAnchor.constraint(equalTo: view.leadingAnchor),
bottomContainerView.trailingAnchor.constraint(equalTo: view.trailingAnchor),
])
bottomContainerView.preservesSuperviewLayoutMargins = true
defer {
view.bringSubviewToFront(bottomContainerView)
}
confirmButton.translatesAutoresizingMaskIntoConstraints = false
bottomContainerView.addSubview(confirmButton)
NSLayoutConstraint.activate([
bottomContainerView.layoutMarginsGuide.bottomAnchor.constraint(equalTo: confirmButton.bottomAnchor, constant: MastodonServerRulesViewController.viewBottomPaddingHeight),
confirmButton.leadingAnchor.constraint(equalTo: bottomContainerView.readableContentGuide.leadingAnchor, constant: MastodonServerRulesViewController.actionButtonMargin),
bottomContainerView.readableContentGuide.trailingAnchor.constraint(equalTo: confirmButton.trailingAnchor, constant: MastodonServerRulesViewController.actionButtonMargin),
confirmButton.heightAnchor.constraint(equalToConstant: MastodonServerRulesViewController.actionButtonHeight).priority(.defaultHigh),
])
bottomPromptMetaText.textView.translatesAutoresizingMaskIntoConstraints = false
bottomContainerView.addSubview(bottomPromptMetaText.textView)
NSLayoutConstraint.activate([
bottomPromptMetaText.textView.frameLayoutGuide.topAnchor.constraint(equalTo: bottomContainerView.topAnchor, constant: 20),
bottomPromptMetaText.textView.frameLayoutGuide.leadingAnchor.constraint(equalTo: bottomContainerView.readableContentGuide.leadingAnchor),
bottomPromptMetaText.textView.frameLayoutGuide.trailingAnchor.constraint(equalTo: bottomContainerView.readableContentGuide.trailingAnchor),
confirmButton.topAnchor.constraint(equalTo: bottomPromptMetaText.textView.frameLayoutGuide.bottomAnchor, constant: 20),
])
scrollView.translatesAutoresizingMaskIntoConstraints = false
view.addSubview(scrollView)
NSLayoutConstraint.activate([
scrollView.frameLayoutGuide.topAnchor.constraint(equalTo: view.topAnchor),
scrollView.frameLayoutGuide.leadingAnchor.constraint(equalTo: view.readableContentGuide.leadingAnchor),
scrollView.frameLayoutGuide.trailingAnchor.constraint(equalTo: view.readableContentGuide.trailingAnchor),
scrollView.frameLayoutGuide.bottomAnchor.constraint(equalTo: view.bottomAnchor),
scrollView.frameLayoutGuide.widthAnchor.constraint(equalTo: scrollView.contentLayoutGuide.widthAnchor),
])
let stackView = UIStackView()
stackView.axis = .vertical
stackView.distribution = .fill
stackView.spacing = 10
stackView.layoutMargins = UIEdgeInsets(top: 20, left: 0, bottom: 20, right: 0)
stackView.addArrangedSubview(largeTitleLabel)
stackView.addArrangedSubview(subtitleLabel)
stackView.addArrangedSubview(rulesLabel)
stackView.translatesAutoresizingMaskIntoConstraints = false
scrollView.addSubview(stackView)
NSLayoutConstraint.activate([
stackView.topAnchor.constraint(equalTo: scrollView.contentLayoutGuide.topAnchor),
stackView.leadingAnchor.constraint(equalTo: scrollView.contentLayoutGuide.leadingAnchor),
stackView.trailingAnchor.constraint(equalTo: scrollView.contentLayoutGuide.trailingAnchor),
scrollView.contentLayoutGuide.bottomAnchor.constraint(equalTo: stackView.bottomAnchor),
])
rulesLabel.attributedText = viewModel.rulesAttributedString
confirmButton.addTarget(self, action: #selector(MastodonServerRulesViewController.confirmButtonPressed(_:)), for: .touchUpInside)
}
override func viewDidLayoutSubviews() {
super.viewDidLayoutSubviews()
updateScrollViewContentInset()
}
override func viewSafeAreaInsetsDidChange() {
super.viewSafeAreaInsetsDidChange()
updateScrollViewContentInset()
}
}
extension MastodonServerRulesViewController {
func updateScrollViewContentInset() {
view.layoutIfNeeded()
scrollView.contentInset.bottom = bottomContainerView.frame.height
scrollView.verticalScrollIndicatorInsets.bottom = bottomContainerView.frame.height
}
func configTextView() {
let metaContent = ServerRulesPromptMetaContent(domain: viewModel.domain)
bottomPromptMetaText.configure(content: metaContent)
bottomPromptMetaText.textView.linkDelegate = self
}
struct ServerRulesPromptMetaContent: MetaContent {
let string: String
let entities: [Meta.Entity]
init(domain: String) {
let _string = L10n.Scene.ServerRules.prompt(domain)
self.string = _string
var _entities: [Meta.Entity] = []
let termsOfServiceText = L10n.Scene.ServerRules.termsOfService
if let termsOfServiceRange = _string.range(of: termsOfServiceText) {
let url = Mastodon.API.serverRulesURL(domain: domain)
let entity = Meta.Entity(range: NSRange(termsOfServiceRange, in: _string), meta: .url(termsOfServiceText, trimmed: termsOfServiceText, url: url.absoluteString, userInfo: nil))
_entities.append(entity)
}
let privacyPolicyText = L10n.Scene.ServerRules.privacyPolicy
if let privacyPolicyRange = _string.range(of: privacyPolicyText) {
let url = Mastodon.API.privacyURL(domain: domain)
let entity = Meta.Entity(range: NSRange(privacyPolicyRange, in: _string), meta: .url(privacyPolicyText, trimmed: privacyPolicyText, url: url.absoluteString, userInfo: nil))
_entities.append(entity)
}
self.entities = _entities
}
func metaAttachment(for entity: Meta.Entity) -> MetaAttachment? {
return nil
}
}
}
extension MastodonServerRulesViewController: UITextViewDelegate {
func textView(_ textView: UITextView, shouldInteractWith URL: URL, in characterRange: NSRange, interaction: UITextItemInteraction) -> Bool {
return false
}
}
// MARK: - MetaTextViewDelegate
extension MastodonServerRulesViewController: MetaTextViewDelegate {
func metaTextView(_ metaTextView: MetaTextView, didSelectMeta meta: Meta) {
switch meta {
case .url(_, _, let url, _):
guard let url = URL(string: url) else { return }
coordinator.present(scene: .safari(url: url), from: nil, transition: .safariPresent(animated: true, completion: nil))
default:
break
}
}
}
extension MastodonServerRulesViewController {
@objc private func confirmButtonPressed(_ sender: UIButton) {
os_log(.info, log: .debug, "%{public}s[%{public}ld], %{public}s", ((#file as NSString).lastPathComponent), #line, #function)
let viewModel = MastodonRegisterViewModel(domain: self.viewModel.domain, context: self.context, authenticateInfo: self.viewModel.authenticateInfo, instance: self.viewModel.instance, applicationToken: self.viewModel.applicationToken)
self.coordinator.present(scene: .mastodonRegister(viewModel: viewModel), from: self, transition: .show)
}
}
// MARK: - OnboardingViewControllerAppearance
extension MastodonServerRulesViewController: OnboardingViewControllerAppearance { }
#if canImport(SwiftUI) && DEBUG
import SwiftUI
struct ServerRulesViewController_Previews: PreviewProvider {
static var previews: some View {
UIViewControllerPreview {
let viewController = MastodonServerRulesViewController()
return viewController
}
.previewLayout(.fixed(width: 375, height: 800))
}
}
#endif