metatext/Views/NotificationView.swift

231 lines
9.2 KiB
Swift
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// Copyright © 2020 Metabolist. All rights reserved.
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import Kingfisher
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import Mastodon
import UIKit
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import ViewModels
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final class NotificationView: UIView {
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private let iconImageView = UIImageView()
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private let avatarImageView = AnimatedImageView()
private let avatarButton = UIButton()
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private let typeLabel = UILabel()
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private let displayNameLabel = UILabel()
private let accountLabel = UILabel()
private let statusBodyView = StatusBodyView()
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private var notificationConfiguration: NotificationContentConfiguration
init(configuration: NotificationContentConfiguration) {
notificationConfiguration = configuration
super.init(frame: .zero)
initialSetup()
applyNotificationConfiguration()
}
@available(*, unavailable)
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
}
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extension NotificationView {
static func estimatedHeight(width: CGFloat,
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identityContext: IdentityContext,
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notification: MastodonNotification,
configuration: CollectionItem.StatusConfiguration?) -> CGFloat {
let bodyWidth = width - .defaultSpacing - .avatarDimension
var height = CGFloat.defaultSpacing * 2
+ UIFont.preferredFont(forTextStyle: .headline).lineHeight
+ .compactSpacing
if let status = notification.status {
height += StatusBodyView.estimatedHeight(
width: bodyWidth,
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identityContext: identityContext,
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status: status,
configuration: configuration ?? .default)
} else {
height += UIFont.preferredFont(forTextStyle: .headline).lineHeight
+ .compactSpacing
+ UIFont.preferredFont(forTextStyle: .subheadline).lineHeight
}
return height
}
}
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extension NotificationView: UIContentView {
var configuration: UIContentConfiguration {
get { notificationConfiguration }
set {
guard let notificationConfiguration = newValue as? NotificationContentConfiguration else { return }
self.notificationConfiguration = notificationConfiguration
applyNotificationConfiguration()
}
}
}
private extension NotificationView {
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// swiftlint:disable function_body_length
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func initialSetup() {
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let containerStackView = UIStackView()
let sideStackView = UIStackView()
let mainStackView = UIStackView()
addSubview(containerStackView)
containerStackView.translatesAutoresizingMaskIntoConstraints = false
containerStackView.spacing = .defaultSpacing
sideStackView.axis = .vertical
sideStackView.alignment = .trailing
sideStackView.spacing = .compactSpacing
sideStackView.addArrangedSubview(iconImageView)
sideStackView.addArrangedSubview(avatarImageView)
sideStackView.addArrangedSubview(UIView())
containerStackView.addArrangedSubview(sideStackView)
mainStackView.axis = .vertical
mainStackView.spacing = .compactSpacing
mainStackView.addArrangedSubview(typeLabel)
mainStackView.addSubview(UIView())
mainStackView.addArrangedSubview(statusBodyView)
mainStackView.addArrangedSubview(displayNameLabel)
mainStackView.addArrangedSubview(accountLabel)
containerStackView.addArrangedSubview(mainStackView)
iconImageView.contentMode = .scaleAspectFit
iconImageView.setContentHuggingPriority(.required, for: .horizontal)
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avatarImageView.layer.cornerRadius = .avatarDimension / 2
avatarImageView.clipsToBounds = true
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let avatarHeightConstraint = avatarImageView.heightAnchor.constraint(equalToConstant: .avatarDimension)
avatarHeightConstraint.priority = .justBelowMax
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avatarButton.translatesAutoresizingMaskIntoConstraints = false
avatarImageView.addSubview(avatarButton)
avatarImageView.isUserInteractionEnabled = true
avatarButton.setBackgroundImage(.highlightedButtonBackground, for: .highlighted)
avatarButton.addAction(
UIAction { [weak self] _ in self?.notificationConfiguration.viewModel.accountSelected() },
for: .touchUpInside)
typeLabel.font = .preferredFont(forTextStyle: .headline)
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typeLabel.adjustsFontForContentSizeCategory = true
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typeLabel.numberOfLines = 0
statusBodyView.alpha = 0.5
statusBodyView.isUserInteractionEnabled = false
displayNameLabel.font = .preferredFont(forTextStyle: .headline)
displayNameLabel.adjustsFontForContentSizeCategory = true
displayNameLabel.numberOfLines = 0
accountLabel.font = .preferredFont(forTextStyle: .subheadline)
accountLabel.adjustsFontForContentSizeCategory = true
accountLabel.textColor = .secondaryLabel
accountLabel.numberOfLines = 0
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NSLayoutConstraint.activate([
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containerStackView.leadingAnchor.constraint(equalTo: readableContentGuide.leadingAnchor),
containerStackView.topAnchor.constraint(equalTo: readableContentGuide.topAnchor),
containerStackView.trailingAnchor.constraint(equalTo: readableContentGuide.trailingAnchor),
containerStackView.bottomAnchor.constraint(equalTo: readableContentGuide.bottomAnchor),
avatarImageView.widthAnchor.constraint(equalToConstant: .avatarDimension),
avatarHeightConstraint,
sideStackView.widthAnchor.constraint(equalToConstant: .avatarDimension),
iconImageView.centerYAnchor.constraint(equalTo: typeLabel.centerYAnchor),
avatarButton.leadingAnchor.constraint(equalTo: avatarImageView.leadingAnchor),
avatarButton.topAnchor.constraint(equalTo: avatarImageView.topAnchor),
avatarButton.bottomAnchor.constraint(equalTo: avatarImageView.bottomAnchor),
avatarButton.trailingAnchor.constraint(equalTo: avatarImageView.trailingAnchor)
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])
}
func applyNotificationConfiguration() {
let viewModel = notificationConfiguration.viewModel
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avatarImageView.kf.setImage(with: viewModel.accountViewModel.avatarURL())
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switch viewModel.type {
case .follow:
typeLabel.attributedText = "notifications.followed-you".localizedBolding(
displayName: viewModel.accountViewModel.displayName,
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emojis: viewModel.accountViewModel.emojis,
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label: typeLabel)
iconImageView.tintColor = nil
case .reblog:
typeLabel.attributedText = "notifications.reblogged-your-status".localizedBolding(
displayName: viewModel.accountViewModel.displayName,
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emojis: viewModel.accountViewModel.emojis,
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label: typeLabel)
iconImageView.tintColor = .systemGreen
case .favourite:
typeLabel.attributedText = "notifications.favourited-your-status".localizedBolding(
displayName: viewModel.accountViewModel.displayName,
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emojis: viewModel.accountViewModel.emojis,
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label: typeLabel)
iconImageView.tintColor = .systemYellow
case .poll:
typeLabel.text = NSLocalizedString(
viewModel.accountViewModel.isSelf
? "notifications.your-poll-ended"
: "notifications.poll-ended",
comment: "")
iconImageView.tintColor = nil
default:
typeLabel.attributedText = "notifications.unknown".localizedBolding(
displayName: viewModel.accountViewModel.displayName,
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emojis: viewModel.accountViewModel.emojis,
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label: typeLabel)
iconImageView.tintColor = nil
}
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if viewModel.statusViewModel == nil {
let mutableDisplayName = NSMutableAttributedString(string: viewModel.accountViewModel.displayName)
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mutableDisplayName.insert(emojis: viewModel.accountViewModel.emojis, view: displayNameLabel)
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mutableDisplayName.resizeAttachments(toLineHeight: displayNameLabel.font.lineHeight)
displayNameLabel.attributedText = mutableDisplayName
accountLabel.text = viewModel.accountViewModel.accountName
statusBodyView.isHidden = true
displayNameLabel.isHidden = false
accountLabel.isHidden = false
} else {
statusBodyView.viewModel = viewModel.statusViewModel
statusBodyView.isHidden = false
displayNameLabel.isHidden = true
accountLabel.isHidden = true
}
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iconImageView.image = UIImage(
systemName: viewModel.type.systemImageName,
withConfiguration: UIImage.SymbolConfiguration(scale: .medium))
}
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// swiftlint:enable function_body_length
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}
extension MastodonNotification.NotificationType {
var systemImageName: String {
switch self {
case .follow, .followRequest:
return "person.badge.plus"
case .reblog:
return "arrow.2.squarepath"
case .favourite:
return "star.fill"
case .poll:
return "chart.bar.doc.horizontal"
case .mention, .unknown:
return "at"
}
}
}