64 lines
1.9 KiB
Swift
64 lines
1.9 KiB
Swift
import UIKit
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struct NotificationBanner {
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enum Style {
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case fail, ok
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}
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let view: UIView
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init(_ msg: String, style: Style) {
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let bg, fg: UIColor
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let imgName: String
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switch style {
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case .fail:
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bg = .systemRed
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fg = UIColor.black.withAlphaComponent(0.80)
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imgName = "circle-x"
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case .ok:
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bg = .systemGreen
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fg = UIColor.black.withAlphaComponent(0.65)
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imgName = "circle-check"
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}
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view = UIView()
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view.backgroundColor = bg
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let lbl = QuickUI.label(msg, style: .callout)
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lbl.textColor = fg
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lbl.numberOfLines = 0
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lbl.font = lbl.font.bold()
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let img = QuickUI.image(UIImage(named: imgName))
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img.tintColor = fg
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view.addSubview(lbl)
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view.addSubview(img)
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img.anchor([.leading, .centerY], to: view.layoutMarginsGuide)
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lbl.anchor([.top, .bottom, .trailing], to: view.layoutMarginsGuide)
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img.widthAnchor =&= 25
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img.heightAnchor =&= 25
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lbl.leadingAnchor =&= img.trailingAnchor + 8
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img.bottomAnchor =<= view.bottomAnchor - 8
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lbl.bottomAnchor =<= view.bottomAnchor - 8
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}
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/// Animate header banner from the top of the view. Show for `delay` seconds and then hide again.
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/// - Parameter onClose: Run after the close animation finishes.
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func present(in vc: UIViewController, hideAfter delay: TimeInterval = 3, onClose: (() -> Void)? = nil) {
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vc.view.addSubview(view)
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view.anchor([.leading, .trailing], to: vc.view!)
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vc.view.layoutIfNeeded() // sets the height
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let h = view.frame.height
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let constraint = view.topAnchor =&= vc.view.topAnchor - h
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vc.view.layoutIfNeeded() // hide view
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UIView.animate(withDuration: 0.3, animations: {
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constraint.constant = 0
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vc.view.layoutIfNeeded() // animate view
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UIView.animate(withDuration: 0.3, delay: delay, options: .curveLinear, animations: {
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constraint.constant = -h
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vc.view.layoutIfNeeded() // hide again
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}, completion: { _ in
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self.view.removeFromSuperview()
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onClose?()
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})
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})
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}
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}
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