metatext/Views/UIKit/Content Views/IdentityView.swift

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Swift
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// Copyright © 2021 Metabolist. All rights reserved.
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import SDWebImage
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import UIKit
final class IdentityView: UIView {
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let imageView = SDAnimatedImageView()
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let nameLabel = AnimatedAttachmentLabel()
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let secondaryLabel = UILabel()
private var identityConfiguration: IdentityContentConfiguration
init(configuration: IdentityContentConfiguration) {
identityConfiguration = configuration
super.init(frame: .zero)
initialSetup()
applyIdentityConfiguration()
}
@available(*, unavailable)
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
}
extension IdentityView: UIContentView {
var configuration: UIContentConfiguration {
get { identityConfiguration }
set {
guard let identityConfiguration = newValue as? IdentityContentConfiguration else { return }
self.identityConfiguration = identityConfiguration
applyIdentityConfiguration()
}
}
}
private extension IdentityView {
func initialSetup() {
addSubview(imageView)
imageView.translatesAutoresizingMaskIntoConstraints = false
imageView.layer.cornerRadius = .avatarDimension / 2
imageView.clipsToBounds = true
imageView.contentMode = .scaleAspectFill
let stackView = UIStackView()
addSubview(stackView)
stackView.translatesAutoresizingMaskIntoConstraints = false
stackView.axis = .vertical
stackView.spacing = .compactSpacing
stackView.addArrangedSubview(nameLabel)
nameLabel.adjustsFontForContentSizeCategory = true
nameLabel.font = .preferredFont(forTextStyle: .headline)
nameLabel.numberOfLines = 0
stackView.addArrangedSubview(secondaryLabel)
secondaryLabel.adjustsFontForContentSizeCategory = true
secondaryLabel.font = .preferredFont(forTextStyle: .subheadline)
secondaryLabel.numberOfLines = 0
secondaryLabel.textColor = .secondaryLabel
let imageViewHeightConstraint = imageView.heightAnchor.constraint(equalToConstant: .avatarDimension)
imageViewHeightConstraint.priority = .justBelowMax
NSLayoutConstraint.activate([
imageView.widthAnchor.constraint(equalToConstant: .avatarDimension),
imageViewHeightConstraint,
imageView.leadingAnchor.constraint(equalTo: layoutMarginsGuide.leadingAnchor),
imageView.topAnchor.constraint(equalTo: layoutMarginsGuide.topAnchor),
imageView.bottomAnchor.constraint(equalTo: layoutMarginsGuide.bottomAnchor),
stackView.leadingAnchor.constraint(equalTo: imageView.trailingAnchor, constant: .defaultSpacing),
stackView.topAnchor.constraint(equalTo: layoutMarginsGuide.topAnchor),
stackView.trailingAnchor.constraint(equalTo: layoutMarginsGuide.trailingAnchor),
stackView.bottomAnchor.constraint(equalTo: layoutMarginsGuide.bottomAnchor)
])
}
func applyIdentityConfiguration() {
let viewModel = identityConfiguration.viewModel
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imageView.sd_setImage(with: viewModel.identity.image)
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imageView.autoPlayAnimatedImage = viewModel.identityContext.appPreferences.animateAvatars == .everywhere
if let displayName = viewModel.identity.account?.displayName,
!displayName.isEmpty {
let mutableName = NSMutableAttributedString(string: displayName)
if let emojis = viewModel.identity.account?.emojis {
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mutableName.insert(emojis: emojis, view: nameLabel, identityContext: viewModel.identityContext)
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mutableName.resizeAttachments(toLineHeight: nameLabel.font.lineHeight)
}
nameLabel.attributedText = mutableName
} else {
nameLabel.isHidden = true
}
secondaryLabel.text = viewModel.identity.handle
}
}