262 lines
10 KiB
Swift
262 lines
10 KiB
Swift
//
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// ComposeToolbarView.swift
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// ShareActionExtension
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//
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// Created by MainasuK Cirno on 2021-7-19.
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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 MastodonUI
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import MastodonAsset
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import MastodonLocalization
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protocol ComposeToolbarViewDelegate: AnyObject {
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func composeToolbarView(_ composeToolbarView: ComposeToolbarView, contentWarningButtonDidPressed sender: UIButton)
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func composeToolbarView(_ composeToolbarView: ComposeToolbarView, visibilityButtonDidPressed sender: UIButton, visibilitySelectionType type: ComposeToolbarView.VisibilitySelectionType)
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}
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final class ComposeToolbarView: UIView {
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var disposeBag = Set<AnyCancellable>()
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static let toolbarButtonSize: CGSize = CGSize(width: 44, height: 44)
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static let toolbarHeight: CGFloat = 44
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weak var delegate: ComposeToolbarViewDelegate?
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let contentWarningButton: UIButton = {
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let button = HighlightDimmableButton()
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ComposeToolbarView.configureToolbarButtonAppearance(button: button)
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button.setImage(UIImage(systemName: "exclamationmark.shield", withConfiguration: UIImage.SymbolConfiguration(pointSize: 20, weight: .regular)), for: .normal)
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button.accessibilityLabel = L10n.Scene.Compose.Accessibility.enableContentWarning
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return button
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}()
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let visibilityButton: UIButton = {
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let button = HighlightDimmableButton()
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ComposeToolbarView.configureToolbarButtonAppearance(button: button)
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button.setImage(UIImage(systemName: "person.3", withConfiguration: UIImage.SymbolConfiguration(pointSize: 15, weight: .medium)), for: .normal)
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button.accessibilityLabel = L10n.Scene.Compose.Accessibility.postVisibilityMenu
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return button
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}()
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let characterCountLabel: UILabel = {
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let label = UILabel()
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label.font = .systemFont(ofSize: 15, weight: .regular)
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label.text = "500"
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label.textColor = Asset.Colors.Label.secondary.color
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label.accessibilityLabel = L10n.A11y.Plural.Count.inputLimitRemains(500)
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return label
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}()
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let activeVisibilityType = CurrentValueSubject<VisibilitySelectionType, Never>(.public)
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override init(frame: CGRect) {
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super.init(frame: frame)
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_init()
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}
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required init?(coder: NSCoder) {
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super.init(coder: coder)
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_init()
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}
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}
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extension ComposeToolbarView {
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private func _init() {
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setupBackgroundColor(theme: ThemeService.shared.currentTheme.value)
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ThemeService.shared.currentTheme
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.receive(on: DispatchQueue.main)
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.sink { [weak self] theme in
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guard let self = self else { return }
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self.setupBackgroundColor(theme: theme)
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}
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.store(in: &disposeBag)
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let stackView = UIStackView()
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stackView.axis = .horizontal
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stackView.spacing = 0
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stackView.distribution = .fillEqually
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stackView.translatesAutoresizingMaskIntoConstraints = false
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addSubview(stackView)
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NSLayoutConstraint.activate([
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stackView.centerYAnchor.constraint(equalTo: centerYAnchor),
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layoutMarginsGuide.leadingAnchor.constraint(equalTo: stackView.leadingAnchor, constant: 8), // tweak button margin offset
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])
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let buttons = [
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contentWarningButton,
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visibilityButton,
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]
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buttons.forEach { button in
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button.translatesAutoresizingMaskIntoConstraints = false
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stackView.addArrangedSubview(button)
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NSLayoutConstraint.activate([
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button.widthAnchor.constraint(equalToConstant: 44),
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button.heightAnchor.constraint(equalToConstant: 44),
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])
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}
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characterCountLabel.translatesAutoresizingMaskIntoConstraints = false
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addSubview(characterCountLabel)
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NSLayoutConstraint.activate([
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characterCountLabel.topAnchor.constraint(equalTo: topAnchor),
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characterCountLabel.leadingAnchor.constraint(greaterThanOrEqualTo: stackView.trailingAnchor, constant: 8),
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characterCountLabel.trailingAnchor.constraint(equalTo: layoutMarginsGuide.trailingAnchor),
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characterCountLabel.bottomAnchor.constraint(equalTo: bottomAnchor),
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])
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characterCountLabel.setContentHuggingPriority(.defaultHigh, for: .horizontal)
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contentWarningButton.addTarget(self, action: #selector(ComposeToolbarView.contentWarningButtonDidPressed(_:)), for: .touchUpInside)
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visibilityButton.menu = createVisibilityContextMenu(interfaceStyle: traitCollection.userInterfaceStyle)
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visibilityButton.showsMenuAsPrimaryAction = true
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updateToolbarButtonUserInterfaceStyle()
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// update menu when selected visibility type changed
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activeVisibilityType
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.receive(on: RunLoop.main)
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.sink { [weak self] type in
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guard let self = self else { return }
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self.visibilityButton.menu = self.createVisibilityContextMenu(interfaceStyle: self.traitCollection.userInterfaceStyle)
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}
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.store(in: &disposeBag)
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}
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override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {
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super.traitCollectionDidChange(previousTraitCollection)
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updateToolbarButtonUserInterfaceStyle()
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}
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}
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extension ComposeToolbarView {
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private func setupBackgroundColor(theme: Theme) {
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backgroundColor = theme.composeToolbarBackgroundColor
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}
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}
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extension ComposeToolbarView {
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enum MediaSelectionType: String {
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case camera
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case photoLibrary
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case browse
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}
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enum VisibilitySelectionType: String, CaseIterable {
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case `public`
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// TODO: remove unlisted option from codebase
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// case unlisted
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case `private`
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case direct
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var title: String {
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switch self {
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case .public: return L10n.Scene.Compose.Visibility.public
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// case .unlisted: return L10n.Scene.Compose.Visibility.unlisted
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case .private: return L10n.Scene.Compose.Visibility.private
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case .direct: return L10n.Scene.Compose.Visibility.direct
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}
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}
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func image(interfaceStyle: UIUserInterfaceStyle) -> UIImage {
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switch self {
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case .public: return UIImage(systemName: "globe", withConfiguration: UIImage.SymbolConfiguration(pointSize: 19, weight: .medium))!
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// case .unlisted: return UIImage(systemName: "eye.slash", withConfiguration: UIImage.SymbolConfiguration(pointSize: 18, weight: .regular))!
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case .private:
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switch interfaceStyle {
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case .light: return UIImage(systemName: "person.3", withConfiguration: UIImage.SymbolConfiguration(pointSize: 15, weight: .medium))!
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default: return UIImage(systemName: "person.3.fill", withConfiguration: UIImage.SymbolConfiguration(pointSize: 15, weight: .medium))!
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}
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case .direct: return UIImage(systemName: "at", withConfiguration: UIImage.SymbolConfiguration(pointSize: 19, weight: .regular))!
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}
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}
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var visibility: Mastodon.Entity.Status.Visibility {
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switch self {
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case .public: return .public
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// case .unlisted: return .unlisted
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case .private: return .private
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case .direct: return .direct
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}
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}
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}
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}
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extension ComposeToolbarView {
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private static func configureToolbarButtonAppearance(button: UIButton) {
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button.tintColor = ThemeService.tintColor
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button.setBackgroundImage(.placeholder(size: ComposeToolbarView.toolbarButtonSize, color: .systemFill), for: .highlighted)
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button.layer.masksToBounds = true
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button.layer.cornerRadius = 5
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button.layer.cornerCurve = .continuous
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}
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private func updateToolbarButtonUserInterfaceStyle() {
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switch traitCollection.userInterfaceStyle {
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case .light:
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contentWarningButton.setImage(UIImage(systemName: "exclamationmark.shield", withConfiguration: UIImage.SymbolConfiguration(pointSize: 20, weight: .regular))!, for: .normal)
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case .dark:
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contentWarningButton.setImage(UIImage(systemName: "exclamationmark.shield.fill", withConfiguration: UIImage.SymbolConfiguration(pointSize: 20, weight: .regular))!, for: .normal)
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default:
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assertionFailure()
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}
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visibilityButton.menu = createVisibilityContextMenu(interfaceStyle: traitCollection.userInterfaceStyle)
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}
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private func createVisibilityContextMenu(interfaceStyle: UIUserInterfaceStyle) -> UIMenu {
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let children: [UIMenuElement] = VisibilitySelectionType.allCases.map { type in
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let state: UIMenuElement.State = activeVisibilityType.value == type ? .on : .off
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return UIAction(title: type.title, image: type.image(interfaceStyle: interfaceStyle), identifier: nil, discoverabilityTitle: nil, attributes: [], state: state) { [weak self] action in
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guard let self = self else { return }
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os_log(.info, "%{public}s[%{public}ld], %{public}s: visibilitySelectionType: %s", ((#file as NSString).lastPathComponent), #line, #function, type.rawValue)
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self.delegate?.composeToolbarView(self, visibilityButtonDidPressed: self.visibilityButton, visibilitySelectionType: type)
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}
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}
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return UIMenu(title: "", image: nil, identifier: nil, options: .displayInline, children: children)
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}
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}
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extension ComposeToolbarView {
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@objc private func contentWarningButtonDidPressed(_ sender: UIButton) {
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os_log(.info, "%{public}s[%{public}ld], %{public}s", ((#file as NSString).lastPathComponent), #line, #function)
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delegate?.composeToolbarView(self, contentWarningButtonDidPressed: sender)
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}
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}
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#if canImport(SwiftUI) && DEBUG
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import SwiftUI
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struct ComposeToolbarView_Previews: PreviewProvider {
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static var previews: some View {
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UIViewPreview(width: 375) {
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let toolbarView = ComposeToolbarView()
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toolbarView.translatesAutoresizingMaskIntoConstraints = false
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NSLayoutConstraint.activate([
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toolbarView.widthAnchor.constraint(equalToConstant: 375).priority(.defaultHigh),
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toolbarView.heightAnchor.constraint(equalToConstant: 64).priority(.defaultHigh),
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])
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return toolbarView
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}
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.previewLayout(.fixed(width: 375, height: 100))
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}
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}
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#endif
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