129 lines
5.2 KiB
Swift
129 lines
5.2 KiB
Swift
// Copyright © 2021 Metabolist. All rights reserved.
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import Kingfisher
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import UIKit
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final class AutocompleteItemView: UIView {
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private let imageView = AnimatedImageView()
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private let primaryLabel = AnimatedAttachmentLabel()
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private let secondaryLabel = UILabel()
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private let stackView = UIStackView()
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private var autocompleteItemConfiguration: AutocompleteItemContentConfiguration
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init(configuration: AutocompleteItemContentConfiguration) {
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self.autocompleteItemConfiguration = configuration
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super.init(frame: .zero)
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initialSetup()
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applyAutocompleteItemConfiguration()
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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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}
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extension AutocompleteItemView: UIContentView {
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var configuration: UIContentConfiguration {
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get { autocompleteItemConfiguration }
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set {
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guard let autocompleteItemConfiguration = newValue as? AutocompleteItemContentConfiguration else { return }
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self.autocompleteItemConfiguration = autocompleteItemConfiguration
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applyAutocompleteItemConfiguration()
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}
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}
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}
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private extension AutocompleteItemView {
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func initialSetup() {
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addSubview(stackView)
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stackView.translatesAutoresizingMaskIntoConstraints = false
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stackView.spacing = .defaultSpacing
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stackView.addArrangedSubview(imageView)
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imageView.layer.cornerRadius = .barButtonItemDimension / 2
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imageView.clipsToBounds = true
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imageView.contentMode = .scaleAspectFill
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stackView.addArrangedSubview(primaryLabel)
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primaryLabel.adjustsFontForContentSizeCategory = true
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primaryLabel.font = .preferredFont(forTextStyle: .headline)
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primaryLabel.setContentHuggingPriority(.required, for: .horizontal)
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stackView.addArrangedSubview(secondaryLabel)
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secondaryLabel.adjustsFontForContentSizeCategory = true
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secondaryLabel.font = .preferredFont(forTextStyle: .subheadline)
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secondaryLabel.textColor = .secondaryLabel
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NSLayoutConstraint.activate([
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imageView.widthAnchor.constraint(equalToConstant: .barButtonItemDimension),
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imageView.heightAnchor.constraint(equalToConstant: .barButtonItemDimension),
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stackView.leadingAnchor.constraint(equalTo: layoutMarginsGuide.leadingAnchor),
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stackView.topAnchor.constraint(equalTo: layoutMarginsGuide.topAnchor),
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stackView.trailingAnchor.constraint(equalTo: layoutMarginsGuide.trailingAnchor),
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stackView.bottomAnchor.constraint(equalTo: layoutMarginsGuide.bottomAnchor)
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])
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}
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func applyAutocompleteItemConfiguration() {
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switch autocompleteItemConfiguration.item {
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case let .account(account):
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let appPreferences = autocompleteItemConfiguration.identityContext.appPreferences
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let avatarURL = appPreferences.animateAvatars == .everywhere
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&& !appPreferences.shouldReduceMotion
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? account.avatar
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: account.avatarStatic
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imageView.kf.setImage(with: avatarURL)
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imageView.isHidden = false
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let mutableDisplayName = NSMutableAttributedString(string: account.displayName)
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mutableDisplayName.insert(emojis: account.emojis,
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view: primaryLabel,
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identityContext: autocompleteItemConfiguration.identityContext)
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mutableDisplayName.resizeAttachments(toLineHeight: primaryLabel.font.lineHeight)
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primaryLabel.attributedText = mutableDisplayName
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primaryLabel.isHidden = account.displayName.isEmpty
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secondaryLabel.text = "@".appending(account.acct)
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primaryLabel.setContentCompressionResistancePriority(.defaultLow, for: .horizontal)
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secondaryLabel.setContentCompressionResistancePriority(.required, for: .horizontal)
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case let .tag(tag):
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imageView.isHidden = true
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imageView.image = nil
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primaryLabel.text = "#".appending(tag.name)
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primaryLabel.isHidden = false
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if let uses = tag.history?.compactMap({ Int($0.uses) }).reduce(0, +), uses > 0 {
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secondaryLabel.text =
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String.localizedStringWithFormat(NSLocalizedString("tag.per-week-%ld", comment: ""), uses)
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} else {
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secondaryLabel.text = nil
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}
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primaryLabel.setContentCompressionResistancePriority(.required, for: .horizontal)
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secondaryLabel.setContentCompressionResistancePriority(.defaultLow, for: .horizontal)
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default:
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break
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}
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let accessibilityAttributedLabel = NSMutableAttributedString(string: "")
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if !primaryLabel.isHidden, let primaryLabelAttributedText = primaryLabel.attributedText {
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accessibilityAttributedLabel.append(primaryLabelAttributedText)
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}
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if let secondaryLabelText = secondaryLabel.text, !secondaryLabelText.isEmpty {
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accessibilityAttributedLabel.appendWithSeparator(secondaryLabelText)
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}
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self.accessibilityAttributedLabel = accessibilityAttributedLabel
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isAccessibilityElement = true
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}
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}
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