mirror of
https://github.com/metabolist/metatext.git
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Improve emoji picker
This commit is contained in:
Justin Mazzocchi
parent
ce4912099a
commit
3e72ec7e32
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@ -4,16 +4,180 @@ import Combine
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import UIKit
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import ViewModels
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final class EmojiPickerViewController: UIViewController {
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final class EmojiPickerViewController: UICollectionViewController {
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let searchBar = UISearchBar()
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private let viewModel: EmojiPickerViewModel
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private let selectionAction: (PickerEmoji) -> Void
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private let dismissAction: () -> Void
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private let skinToneButton = UIButton()
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private let selectionAction: (EmojiPickerViewController, PickerEmoji) -> Void
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private let deletionAction: (EmojiPickerViewController) -> Void
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private let searchPresentationAction: (EmojiPickerViewController, UINavigationController) -> Void
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private let skinToneButton = UIBarButtonItem()
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private let deleteButton = UIBarButtonItem()
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private let closeButton = UIBarButtonItem(systemItem: .close)
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private let presentSearchButton = UIButton()
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private var cancellables = Set<AnyCancellable>()
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private lazy var collectionView: UICollectionView = {
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private lazy var dataSource: UICollectionViewDiffableDataSource<PickerEmoji.Category, PickerEmoji> = {
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let cellRegistration = UICollectionView.CellRegistration
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<EmojiCollectionViewCell, PickerEmoji> { [weak self] in
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$0.emoji = self?.applyingDefaultSkinTone(emoji: $2) ?? $2
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}
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let headerRegistration = UICollectionView.SupplementaryRegistration
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<EmojiCategoryHeaderView>(elementKind: "Header") { [weak self] in
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$0.label.text = self?.dataSource.snapshot().sectionIdentifiers[$2.section].displayName
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}
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let dataSource = UICollectionViewDiffableDataSource
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<PickerEmoji.Category, PickerEmoji>(collectionView: collectionView) {
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$0.dequeueConfiguredReusableCell(using: cellRegistration, for: $1, item: $2)
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}
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dataSource.supplementaryViewProvider = {
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$0.dequeueConfiguredReusableSupplementary(using: headerRegistration, for: $2)
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}
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return dataSource
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}()
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private lazy var defaultSkinToneSelectionMenu: UIMenu = {
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let clearSkinToneAction = UIAction(title: SystemEmoji.SkinTone.noneExample) { [weak self] _ in
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self?.skinToneButton.title = SystemEmoji.SkinTone.noneExample
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self?.viewModel.identityContext.appPreferences.defaultEmojiSkinTone = nil
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self?.reloadVisibleItems()
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}
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let setSkinToneActions = SystemEmoji.SkinTone.allCases.map { [weak self] skinTone in
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UIAction(title: skinTone.example) { _ in
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self?.skinToneButton.title = skinTone.example
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self?.viewModel.identityContext.appPreferences.defaultEmojiSkinTone = skinTone
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self?.reloadVisibleItems()
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}
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}
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return UIMenu(
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title: NSLocalizedString("emoji.default-skin-tone", comment: ""),
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children: [clearSkinToneAction] + setSkinToneActions)
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}()
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init(viewModel: EmojiPickerViewModel,
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selectionAction: @escaping (EmojiPickerViewController, PickerEmoji) -> Void,
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deletionAction: @escaping (EmojiPickerViewController) -> Void,
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searchPresentationAction: @escaping (EmojiPickerViewController, UINavigationController) -> Void) {
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self.viewModel = viewModel
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self.selectionAction = selectionAction
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self.deletionAction = deletionAction
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self.searchPresentationAction = searchPresentationAction
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super.init(collectionViewLayout: Self.layout())
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}
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@available(*, unavailable)
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required init?(coder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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// swiftlint:disable:next function_body_length
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override func viewDidLoad() {
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super.viewDidLoad()
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searchBar.translatesAutoresizingMaskIntoConstraints = false
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searchBar.searchBarStyle = .minimal
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searchBar.placeholder = NSLocalizedString("emoji.search", comment: "")
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searchBar.searchTextField.addAction(
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UIAction { [weak self] _ in
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self?.viewModel.query = self?.searchBar.text ?? ""
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self?.collectionView.setContentOffset(.zero, animated: false)
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},
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for: .editingChanged)
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navigationItem.titleView = searchBar
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searchBar.addSubview(presentSearchButton)
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presentSearchButton.translatesAutoresizingMaskIntoConstraints = false
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presentSearchButton.accessibilityLabel = NSLocalizedString("emoji.search", comment: "")
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presentSearchButton.addAction(UIAction { [weak self] _ in self?.presentSearch() }, for: .touchUpInside)
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skinToneButton.accessibilityLabel =
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NSLocalizedString("emoji.default-skin-tone-button.accessibility-label", comment: "")
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skinToneButton.title = viewModel.identityContext.appPreferences.defaultEmojiSkinTone?.example
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?? SystemEmoji.SkinTone.noneExample
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skinToneButton.accessibilityLabel =
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NSLocalizedString("emoji.default-skin-tone-button.accessibility-label", comment: "")
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skinToneButton.menu = defaultSkinToneSelectionMenu
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deleteButton.primaryAction = UIAction(image: UIImage(systemName: "delete.left")) { [weak self] _ in
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guard let self = self else { return }
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self.deletionAction(self)
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}
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deleteButton.tintColor = .label
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navigationItem.rightBarButtonItems = [deleteButton, skinToneButton]
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closeButton.primaryAction = UIAction { [weak self] _ in
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self?.presentingViewController?.dismiss(animated: true)
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}
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collectionView.backgroundColor = .clear
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collectionView.dataSource = dataSource
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collectionView.isAccessibilityElement = false
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collectionView.shouldGroupAccessibilityChildren = true
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NSLayoutConstraint.activate([
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presentSearchButton.leadingAnchor.constraint(equalTo: searchBar.leadingAnchor),
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presentSearchButton.topAnchor.constraint(equalTo: searchBar.topAnchor),
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presentSearchButton.trailingAnchor.constraint(equalTo: searchBar.trailingAnchor),
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presentSearchButton.bottomAnchor.constraint(equalTo: searchBar.bottomAnchor)
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])
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viewModel.$emoji
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.sink { [weak self] in self?.dataSource.apply(
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$0.snapshot(),
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animatingDifferences: !UIAccessibility.isReduceMotionEnabled) }
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.store(in: &cancellables)
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if let currentKeyboardLanguageIdentifier = searchBar.textInputMode?.primaryLanguage {
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viewModel.locale = Locale(identifier: currentKeyboardLanguageIdentifier)
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}
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NotificationCenter.default.publisher(for: UITextInputMode.currentInputModeDidChangeNotification)
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.compactMap { [weak self] _ in self?.searchBar.textInputMode?.primaryLanguage }
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.compactMap(Locale.init(identifier:))
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.assign(to: \.locale, on: viewModel)
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.store(in: &cancellables)
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}
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override func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
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guard let item = dataSource.itemIdentifier(for: indexPath) else { return }
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select(emoji: applyingDefaultSkinTone(emoji: item))
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viewModel.updateUse(emoji: item)
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}
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override func collectionView(_ collectionView: UICollectionView,
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contextMenuConfigurationForItemAt indexPath: IndexPath,
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point: CGPoint) -> UIContextMenuConfiguration? {
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guard let item = dataSource.itemIdentifier(for: indexPath),
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case let .system(emoji, inFrequentlyUsed) = item,
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!emoji.skinToneVariations.isEmpty
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else { return nil }
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return UIContextMenuConfiguration(identifier: nil, previewProvider: nil) { _ in
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UIMenu(children: ([emoji] + emoji.skinToneVariations).map { skinToneVariation in
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UIAction(title: skinToneVariation.emoji) { [weak self] _ in
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self?.select(emoji: .system(skinToneVariation, inFrequentlyUsed: inFrequentlyUsed))
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self?.viewModel.updateUse(emoji: item)
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}
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})
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}
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}
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}
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private extension EmojiPickerViewController {
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static let headerElementKind = "com.metabolist.metatext.emoji-picker.header"
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static func layout() -> UICollectionViewLayout {
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let itemSize = NSCollectionLayoutSize(
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widthDimension: .absolute(.minimumButtonDimension),
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heightDimension: .absolute(.minimumButtonDimension))
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@ -44,197 +208,25 @@ final class EmojiPickerViewController: UIViewController {
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section.boundarySupplementaryItems = [header]
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let layout = UICollectionViewCompositionalLayout(section: section)
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return UICollectionView(frame: .zero, collectionViewLayout: layout)
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}()
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private lazy var dataSource: UICollectionViewDiffableDataSource<PickerEmoji.Category, PickerEmoji> = {
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let cellRegistration = UICollectionView.CellRegistration
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<EmojiCollectionViewCell, PickerEmoji> { [weak self] in
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$0.emoji = self?.applyingDefaultSkinTone(emoji: $2) ?? $2
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}
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let headerRegistration = UICollectionView.SupplementaryRegistration
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<EmojiCategoryHeaderView>(elementKind: "Header") { [weak self] in
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$0.label.text = self?.dataSource.snapshot().sectionIdentifiers[$2.section].displayName
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}
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let dataSource = UICollectionViewDiffableDataSource
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<PickerEmoji.Category, PickerEmoji>(collectionView: collectionView) {
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$0.dequeueConfiguredReusableCell(using: cellRegistration, for: $1, item: $2)
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}
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dataSource.supplementaryViewProvider = {
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$0.dequeueConfiguredReusableSupplementary(using: headerRegistration, for: $2)
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}
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return dataSource
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}()
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private lazy var defaultSkinToneSelectionMenu: UIMenu = {
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let clearSkinToneAction = UIAction(title: SystemEmoji.SkinTone.noneExample) { [weak self] _ in
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self?.skinToneButton.setTitle(SystemEmoji.SkinTone.noneExample, for: .normal)
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self?.viewModel.identityContext.appPreferences.defaultEmojiSkinTone = nil
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self?.reloadVisibleItems()
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}
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let setSkinToneActions = SystemEmoji.SkinTone.allCases.map { [weak self] skinTone in
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UIAction(title: skinTone.example) { _ in
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self?.skinToneButton.setTitle(skinTone.example, for: .normal)
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self?.viewModel.identityContext.appPreferences.defaultEmojiSkinTone = skinTone
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self?.reloadVisibleItems()
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}
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}
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return UIMenu(
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title: NSLocalizedString("emoji.default-skin-tone", comment: ""),
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children: [clearSkinToneAction] + setSkinToneActions)
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}()
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init(viewModel: EmojiPickerViewModel,
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selectionAction: @escaping (PickerEmoji) -> Void,
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dismissAction: @escaping () -> Void) {
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self.viewModel = viewModel
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self.selectionAction = selectionAction
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self.dismissAction = dismissAction
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super.init(nibName: nil, bundle: nil)
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return UICollectionViewCompositionalLayout(section: section)
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}
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@available(*, unavailable)
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required init?(coder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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// swiftlint:disable:next function_body_length
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override func viewDidLoad() {
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super.viewDidLoad()
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view.addSubview(searchBar)
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searchBar.translatesAutoresizingMaskIntoConstraints = false
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searchBar.searchBarStyle = .minimal
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searchBar.placeholder = NSLocalizedString("emoji.search", comment: "")
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searchBar.searchTextField.addAction(
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UIAction { [weak self] _ in
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self?.viewModel.query = self?.searchBar.text ?? ""
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self?.collectionView.setContentOffset(.zero, animated: false)
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},
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for: .editingChanged)
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view.addSubview(skinToneButton)
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skinToneButton.translatesAutoresizingMaskIntoConstraints = false
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skinToneButton.titleLabel?.adjustsFontSizeToFitWidth = true
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skinToneButton.setTitle(
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viewModel.identityContext.appPreferences.defaultEmojiSkinTone?.example ?? SystemEmoji.SkinTone.noneExample,
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for: .normal)
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skinToneButton.showsMenuAsPrimaryAction = true
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skinToneButton.menu = defaultSkinToneSelectionMenu
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skinToneButton.accessibilityLabel =
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NSLocalizedString("emoji.default-skin-tone-button.accessibility-label", comment: "")
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view.addSubview(collectionView)
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collectionView.translatesAutoresizingMaskIntoConstraints = false
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collectionView.backgroundColor = .clear
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collectionView.dataSource = dataSource
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collectionView.delegate = self
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collectionView.isAccessibilityElement = false
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collectionView.shouldGroupAccessibilityChildren = true
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NSLayoutConstraint.activate([
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searchBar.leadingAnchor.constraint(equalTo: view.leadingAnchor),
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searchBar.topAnchor.constraint(equalTo: view.layoutMarginsGuide.topAnchor),
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skinToneButton.leadingAnchor.constraint(equalTo: searchBar.trailingAnchor, constant: .defaultSpacing),
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skinToneButton.topAnchor.constraint(equalTo: view.layoutMarginsGuide.topAnchor),
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skinToneButton.trailingAnchor.constraint(equalTo: view.layoutMarginsGuide.trailingAnchor),
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skinToneButton.bottomAnchor.constraint(equalTo: searchBar.bottomAnchor),
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collectionView.leadingAnchor.constraint(equalTo: view.leadingAnchor),
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collectionView.topAnchor.constraint(equalTo: searchBar.bottomAnchor),
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collectionView.trailingAnchor.constraint(equalTo: view.trailingAnchor),
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collectionView.bottomAnchor.constraint(equalTo: view.bottomAnchor)
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])
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viewModel.$emoji
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.sink { [weak self] in self?.dataSource.apply(
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$0.snapshot(),
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animatingDifferences: !UIAccessibility.isReduceMotionEnabled) }
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.store(in: &cancellables)
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if let currentKeyboardLanguageIdentifier = searchBar.textInputMode?.primaryLanguage {
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viewModel.locale = Locale(identifier: currentKeyboardLanguageIdentifier)
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}
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NotificationCenter.default.publisher(for: UITextInputMode.currentInputModeDidChangeNotification)
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.compactMap { [weak self] _ in self?.searchBar.textInputMode?.primaryLanguage }
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.compactMap(Locale.init(identifier:))
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.assign(to: \.locale, on: viewModel)
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.store(in: &cancellables)
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}
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override func viewDidAppear(_ animated: Bool) {
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super.viewDidAppear(animated)
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guard let containerView = popoverPresentationController?.containerView else { return }
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// gets the popover presentation controller's built-in visual effect view to actually show
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func setClear(view: UIView) {
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view.backgroundColor = .clear
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if view == self.view {
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return
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}
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for view in view.subviews {
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setClear(view: view)
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}
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}
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setClear(view: containerView)
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}
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override func viewDidDisappear(_ animated: Bool) {
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super.viewDidDisappear(animated)
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dismissAction()
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}
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}
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extension EmojiPickerViewController: UICollectionViewDelegate {
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func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
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guard let item = dataSource.itemIdentifier(for: indexPath) else { return }
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select(emoji: applyingDefaultSkinTone(emoji: item))
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viewModel.updateUse(emoji: item)
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}
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func collectionView(_ collectionView: UICollectionView,
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contextMenuConfigurationForItemAt indexPath: IndexPath,
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point: CGPoint) -> UIContextMenuConfiguration? {
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guard let item = dataSource.itemIdentifier(for: indexPath),
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case let .system(emoji, inFrequentlyUsed) = item,
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!emoji.skinToneVariations.isEmpty
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else { return nil }
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return UIContextMenuConfiguration(identifier: nil, previewProvider: nil) { _ in
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UIMenu(children: ([emoji] + emoji.skinToneVariations).map { skinToneVariation in
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UIAction(title: skinToneVariation.emoji) { [weak self] _ in
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self?.select(emoji: .system(skinToneVariation, inFrequentlyUsed: inFrequentlyUsed))
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self?.viewModel.updateUse(emoji: item)
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}
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})
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}
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}
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}
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private extension EmojiPickerViewController {
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static let headerElementKind = "com.metabolist.metatext.emoji-picker.header"
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func select(emoji: PickerEmoji) {
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selectionAction(emoji)
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selectionAction(self, emoji)
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UISelectionFeedbackGenerator().selectionChanged()
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}
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func presentSearch() {
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guard let navigationController = self.navigationController else { return }
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presentSearchButton.isHidden = true
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navigationItem.leftBarButtonItem = closeButton
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navigationItem.rightBarButtonItems = [self.skinToneButton]
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collectionView.backgroundView = UIVisualEffectView(effect: UIBlurEffect(style: .systemChromeMaterial))
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searchPresentationAction(self, navigationController)
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}
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func reloadVisibleItems() {
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var snapshot = dataSource.snapshot()
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let visibleItems = collectionView.indexPathsForVisibleItems.compactMap(dataSource.itemIdentifier(for:))
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@ -263,8 +263,14 @@ private extension NewStatusViewController {
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viewModel.$alertItem
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.compactMap { $0 }
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.sink { [weak self] alertItem in
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self?.dismissEmojiPickerIfPresented {
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self?.present(alertItem: alertItem)
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guard let self = self else { return }
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if self.presentedViewController != nil {
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self.dismiss(animated: true) {
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self.present(alertItem: alertItem)
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}
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} else {
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self.present(alertItem: alertItem)
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}
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}
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.store(in: &cancellables)
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@ -290,9 +296,7 @@ private extension NewStatusViewController {
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picker.modalPresentationStyle = .overFullScreen
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picker.delegate = self
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dismissEmojiPickerIfPresented {
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self.present(picker, animated: true)
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}
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present(picker, animated: true)
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}
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#if !IS_SHARE_EXTENSION
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@ -343,9 +347,7 @@ private extension NewStatusViewController {
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picker.mediaTypes = [UTType.image.description]
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}
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dismissEmojiPickerIfPresented {
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self.present(picker, animated: true)
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}
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present(picker, animated: true)
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}
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#endif
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@ -367,57 +369,51 @@ private extension NewStatusViewController {
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documentPickerController.delegate = self
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documentPickerController.allowsMultipleSelection = false
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documentPickerController.modalPresentationStyle = .overFullScreen
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dismissEmojiPickerIfPresented {
|
||||
self.present(documentPickerController, animated: true)
|
||||
}
|
||||
present(documentPickerController, animated: true)
|
||||
}
|
||||
|
||||
func presentEmojiPicker(tag: Int) {
|
||||
if dismissEmojiPickerIfPresented() {
|
||||
return
|
||||
}
|
||||
|
||||
guard let fromView = view.viewWithTag(tag) else { return }
|
||||
|
||||
let emojiPickerViewModel = EmojiPickerViewModel(identityContext: viewModel.identityContext)
|
||||
if fromView.inputView == nil {
|
||||
let emojiPickerViewModel = EmojiPickerViewModel(identityContext: viewModel.identityContext)
|
||||
|
||||
emojiPickerViewModel.$alertItem.assign(to: \.alertItem, on: viewModel).store(in: &cancellables)
|
||||
emojiPickerViewModel.$alertItem.assign(to: \.alertItem, on: viewModel).store(in: &cancellables)
|
||||
|
||||
let emojiPickerController = EmojiPickerViewController(viewModel: emojiPickerViewModel) {
|
||||
guard let textInput = fromView as? UITextInput else { return }
|
||||
let emojiPickerController =
|
||||
EmojiPickerViewController(viewModel: emojiPickerViewModel) { [weak self] picker, emoji in
|
||||
guard let textInput = fromView as? UITextInput,
|
||||
let selectedTextRange = textInput.selectedTextRange
|
||||
else { return }
|
||||
|
||||
if let selectedTextRange = textInput.selectedTextRange {
|
||||
textInput.replace(selectedTextRange, withText: $0.escaped.appending(" "))
|
||||
}
|
||||
} dismissAction: {
|
||||
fromView.becomeFirstResponder()
|
||||
}
|
||||
textInput.replace(selectedTextRange, withText: emoji.escaped.appending(" "))
|
||||
|
||||
emojiPickerController.searchBar.inputAccessoryView = fromView.inputAccessoryView
|
||||
emojiPickerController.preferredContentSize = .init(
|
||||
width: view.readableContentGuide.layoutFrame.width,
|
||||
height: view.frame.height)
|
||||
emojiPickerController.modalPresentationStyle = .popover
|
||||
emojiPickerController.popoverPresentationController?.delegate = self
|
||||
emojiPickerController.popoverPresentationController?.sourceView = fromView
|
||||
emojiPickerController.popoverPresentationController?.sourceRect =
|
||||
.init(origin: .init(x: fromView.bounds.midX, y: fromView.bounds.maxY), size: .zero)
|
||||
emojiPickerController.popoverPresentationController?.backgroundColor = .clear
|
||||
if (self?.presentedViewController as? UINavigationController)?.viewControllers.first === picker {
|
||||
self?.dismiss(animated: true)
|
||||
}
|
||||
} deletionAction: { _ in
|
||||
(fromView as? UITextInput)?.deleteBackward()
|
||||
} searchPresentationAction: { [weak self] picker, navigation in
|
||||
(fromView as? UITextView)?.inputView = nil
|
||||
(fromView as? UITextField)?.inputView = nil
|
||||
fromView.reloadInputViews()
|
||||
|
||||
present(emojiPickerController, animated: true)
|
||||
}
|
||||
navigation.removeFromParent()
|
||||
navigation.preferredContentSize = CGSize(width: 100, height: 100)
|
||||
picker.searchBar.becomeFirstResponder()
|
||||
self?.present(navigation, animated: true)
|
||||
}
|
||||
|
||||
@discardableResult
|
||||
func dismissEmojiPickerIfPresented(completion: (() -> Void)? = nil) -> Bool {
|
||||
let emojiPickerPresented = presentedViewController is EmojiPickerViewController
|
||||
let pickerNavigation = UINavigationController(rootViewController: emojiPickerController)
|
||||
|
||||
if emojiPickerPresented {
|
||||
dismiss(animated: true, completion: completion)
|
||||
(fromView as? UITextView)?.inputView = pickerNavigation.view
|
||||
(fromView as? UITextField)?.inputView = pickerNavigation.view
|
||||
} else {
|
||||
completion?()
|
||||
(fromView as? UITextView)?.inputView = nil
|
||||
(fromView as? UITextField)?.inputView = nil
|
||||
}
|
||||
|
||||
return emojiPickerPresented
|
||||
fromView.reloadInputViews()
|
||||
}
|
||||
|
||||
func presentAttachmentEditor(attachmentViewModel: AttachmentViewModel, compositionViewModel: CompositionViewModel) {
|
||||
|
|
@ -426,9 +422,7 @@ private extension NewStatusViewController {
|
|||
let navigationController = UINavigationController(rootViewController: editAttachmentViewController)
|
||||
|
||||
navigationController.modalPresentationStyle = .overFullScreen
|
||||
dismissEmojiPickerIfPresented {
|
||||
self.present(navigationController, animated: true)
|
||||
}
|
||||
present(navigationController, animated: true)
|
||||
}
|
||||
|
||||
func changeIdentity(_ identity: Identity) {
|
||||
|
|
|
|||
Loading…
Reference in a new issue