forked from shadowfacts/Tusker
Show highlight on expand thread cell selection
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addcc2dacc
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ccd1672e72
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@ -8,7 +8,7 @@
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import UIKit
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class ExpandThreadCollectionViewCell: UICollectionViewCell {
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class ExpandThreadCollectionViewCell: UICollectionViewListCell {
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private var avatarContainerView: UIView!
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private var avatarContainerWidthConstraint: NSLayoutConstraint!
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@ -46,8 +46,6 @@ class ExpandThreadCollectionViewCell: UICollectionViewCell {
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contentView.addSubview(hStack)
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stackViewLeadingConstraint = hStack.leadingAnchor.constraint(equalTo: contentView.leadingAnchor, constant: 16)
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// TODO: separator
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threadLinkView = UIView()
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threadLinkView.backgroundColor = .tintColor.withAlphaComponent(0.5)
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threadLinkView.layer.cornerRadius = 2.5
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@ -142,4 +140,19 @@ class ExpandThreadCollectionViewCell: UICollectionViewCell {
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}
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}
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override func updateConfiguration(using state: UICellConfigurationState) {
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var config = UIBackgroundConfiguration.listPlainCell()
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if state.isSelected || state.isHighlighted {
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var hue: CGFloat = 0
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var saturation: CGFloat = 0
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var brightness: CGFloat = 0
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UIColor.secondarySystemBackground.getHue(&hue, saturation: &saturation, brightness: &brightness, alpha: nil)
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let sign: CGFloat = traitCollection.userInterfaceStyle == .dark ? 1 : -1
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config.backgroundColor = UIColor(hue: hue, saturation: saturation, brightness: max(0, brightness + sign * 0.1), alpha: 1)
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} else {
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config.backgroundColor = .secondarySystemBackground
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}
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backgroundConfiguration = config.updated(for: state)
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}
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}
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