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Improve notification banner transitions #5170

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Sep 22, 2023
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13 changes: 2 additions & 11 deletions ios/MullvadVPN/Notifications/UI/NotificationController.swift
Original file line number Diff line number Diff line change
Expand Up @@ -12,7 +12,6 @@ final class NotificationController: UIViewController {
let bannerView: NotificationBannerView = {
let bannerView = NotificationBannerView()
bannerView.translatesAutoresizingMaskIntoConstraints = false
bannerView.isHidden = true
bannerView.isAccessibilityElement = true
return bannerView
}()
Expand Down Expand Up @@ -63,21 +62,13 @@ final class NotificationController: UIViewController {
// avoid undesired horizontal expansion animation.
view.layoutIfNeeded()

bannerView.isHidden = false
hideBannerConstraint?.isActive = false
showBannerConstraint?.isActive = true
} else {
showBannerConstraint?.isActive = false
hideBannerConstraint?.isActive = true
}

let finish = { [weak self] in
if self?.lastNotification == nil {
self?.bannerView.isHidden = true
}
completion?()
}

if animated {
let timing = UISpringTimingParameters(
dampingRatio: 0.7,
Expand All @@ -89,12 +80,12 @@ final class NotificationController: UIViewController {
self.view.layoutIfNeeded()
}
animator.addCompletion { _ in
finish()
completion?()
}
animator.startAnimation()
} else {
view.layoutIfNeeded()
finish()
completion?()
}
}

Expand Down
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