59 lines
2 KiB
Swift
59 lines
2 KiB
Swift
final class CircleImageButton: UIButton {
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private static let expandedTappableAreaInsets = UIEdgeInsets(top: -5, left: -5, bottom: -5, right: -5)
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private let circleImageView = UIImageView()
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override init(frame: CGRect) {
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super.init(frame: frame)
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setupView()
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}
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@available(*, unavailable)
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required init?(coder: NSCoder) {
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super.init(coder: coder)
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setupView()
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}
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override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {
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super.traitCollectionDidChange(previousTraitCollection)
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if traitCollection.hasDifferentColorAppearance(comparedTo: previousTraitCollection) {
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circleImageView.applyTheme()
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}
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}
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private func setupView() {
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backgroundColor = .clear
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circleImageView.setStyle(.ppHeaderCircleIcon)
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circleImageView.contentMode = .scaleAspectFill
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circleImageView.clipsToBounds = true
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circleImageView.isUserInteractionEnabled = false
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circleImageView.layer.masksToBounds = true
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circleImageView.translatesAutoresizingMaskIntoConstraints = false
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addSubview(circleImageView)
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let aspectRatioConstraint = circleImageView.widthAnchor.constraint(equalTo: circleImageView.heightAnchor)
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aspectRatioConstraint.priority = .defaultHigh
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NSLayoutConstraint.activate([
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circleImageView.centerXAnchor.constraint(equalTo: centerXAnchor),
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circleImageView.centerYAnchor.constraint(equalTo: centerYAnchor),
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circleImageView.widthAnchor.constraint(lessThanOrEqualTo: widthAnchor),
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circleImageView.heightAnchor.constraint(lessThanOrEqualTo: heightAnchor),
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aspectRatioConstraint
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])
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}
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override func layoutSubviews() {
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super.layoutSubviews()
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circleImageView.layer.cornerRadius = circleImageView.bounds.width / 2.0
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}
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override func point(inside point: CGPoint, with event: UIEvent?) -> Bool {
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let expandedBounds = bounds.inset(by: Self.expandedTappableAreaInsets)
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return expandedBounds.contains(point)
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}
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func setImage(_ image: UIImage?) {
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circleImageView.image = image
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}
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}
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