93 lines
3.0 KiB
Swift
93 lines
3.0 KiB
Swift
// Copyright © 2021 Metabolist. All rights reserved.
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import SDWebImage
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import UIKit
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final class InstanceView: UIView {
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private let imageView = SDAnimatedImageView()
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private let titleLabel = UILabel()
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private let uriLabel = UILabel()
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private var instanceConfiguration: InstanceContentConfiguration
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init(configuration: InstanceContentConfiguration) {
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instanceConfiguration = configuration
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super.init(frame: .zero)
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initialSetup()
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setupAccessibility()
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applyInstanceConfiguration()
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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 InstanceView: UIContentView {
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var configuration: UIContentConfiguration {
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get { instanceConfiguration }
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set {
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guard let instanceConfiguration = newValue as? InstanceContentConfiguration else { return }
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self.instanceConfiguration = instanceConfiguration
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applyInstanceConfiguration()
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}
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}
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}
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private extension InstanceView {
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func initialSetup() {
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let stackView = UIStackView()
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addSubview(stackView)
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stackView.translatesAutoresizingMaskIntoConstraints = false
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stackView.axis = .vertical
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stackView.spacing = .defaultSpacing
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stackView.addArrangedSubview(imageView)
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imageView.layer.cornerRadius = .defaultCornerRadius
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imageView.clipsToBounds = true
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imageView.contentMode = .scaleAspectFill
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stackView.addArrangedSubview(titleLabel)
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titleLabel.adjustsFontSizeToFitWidth = true
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titleLabel.font = .preferredFont(forTextStyle: .headline)
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titleLabel.numberOfLines = 0
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titleLabel.textAlignment = .center
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stackView.addArrangedSubview(uriLabel)
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uriLabel.adjustsFontSizeToFitWidth = true
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uriLabel.font = .preferredFont(forTextStyle: .subheadline)
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uriLabel.numberOfLines = 0
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uriLabel.textAlignment = .center
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uriLabel.textColor = .secondaryLabel
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NSLayoutConstraint.activate([
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stackView.leadingAnchor.constraint(equalTo: readableContentGuide.leadingAnchor),
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stackView.topAnchor.constraint(equalTo: readableContentGuide.topAnchor),
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stackView.trailingAnchor.constraint(equalTo: readableContentGuide.trailingAnchor),
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stackView.bottomAnchor.constraint(equalTo: readableContentGuide.bottomAnchor),
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imageView.widthAnchor.constraint(equalTo: imageView.heightAnchor, multiplier: 16 / 9)
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])
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}
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func applyInstanceConfiguration() {
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let viewModel = instanceConfiguration.viewModel
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imageView.sd_setImage(with: viewModel.instance.thumbnail?.url)
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imageView.autoPlayAnimatedImage = !UIAccessibility.isReduceMotionEnabled
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titleLabel.text = viewModel.instance.title
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uriLabel.text = viewModel.instance.uri
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accessibilityLabel = viewModel.instance.title.appendingWithSeparator(viewModel.instance.uri)
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}
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func setupAccessibility() {
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isAccessibilityElement = true
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}
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}
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