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38 lines
1.0 KiB
Swift
38 lines
1.0 KiB
Swift
final class BottomMenuLayerButton: VerticallyAlignedButton {
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private var badgeView: UIView?
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private let badgeSize = CGSize(width: 12, height: 12)
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private let badgeOffset = CGPoint(x: -3, y: 3)
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var isBadgeHidden: Bool = true{
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didSet {
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if oldValue != isBadgeHidden {
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updateBadge()
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}
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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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imageView.layer.masksToBounds = true
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updateBadge()
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}
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private func updateBadge() {
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if isBadgeHidden {
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badgeView?.removeFromSuperview()
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badgeView = nil
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} else {
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if badgeView == nil {
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badgeView = UIView()
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badgeView?.setStyle(.badge)
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addSubview(badgeView!)
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}
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let imageFrame = imageView.frame
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badgeView?.frame = CGRect(x:imageFrame.minX + imageFrame.width - badgeSize.width / 2 + badgeOffset.x,
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y:imageFrame.minY - badgeSize.height/2 + badgeOffset.y,
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width: badgeSize.width,
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height: badgeSize.height)
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}
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}
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}
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