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Make unread and star animations cancel on cell reuse. Issue #2054

This commit is contained in:
Maurice Parker 2020-06-18 17:37:29 -05:00
parent b3c0fac5d3
commit d453a94330
1 changed files with 24 additions and 6 deletions
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30
iOS/MasterTimeline/Cell/MasterTimelineTableViewCell.swift
View File

@ -23,6 +23,9 @@ class MasterTimelineTableViewCell: VibrantTableViewCell {
return NonIntrinsicImageView(image: AppAssets.timelineStarImage)
}()
private var unreadIndicatorPropertyAnimator: UIViewPropertyAnimator?
private var starViewPropertyAnimator: UIViewPropertyAnimator?
var cellData: MasterTimelineCellData! {
didSet {
updateSubviews()
@ -35,7 +38,12 @@ class MasterTimelineTableViewCell: VibrantTableViewCell {
}
override func prepareForReuse() {
unreadIndicatorPropertyAnimator?.stopAnimation(true)
unreadIndicatorPropertyAnimator = nil
unreadIndicatorView.isHidden = true
starViewPropertyAnimator?.stopAnimation(true)
starViewPropertyAnimator = nil
starView.isHidden = true
}
@ -184,10 +192,15 @@ private extension MasterTimelineTableViewCell {
func updateUnreadIndicator() {
if !unreadIndicatorView.isHidden && cellData.read && !cellData.starred {
UIView.animate(withDuration: 0.66, animations: { self.unreadIndicatorView.alpha = 0 }) { _ in
self.unreadIndicatorView.isHidden = true
self.unreadIndicatorView.alpha = 1
unreadIndicatorPropertyAnimator = UIViewPropertyAnimator(duration: 0.66, curve: .easeInOut) { [weak self] in
self?.unreadIndicatorView.alpha = 0
}
unreadIndicatorPropertyAnimator?.addCompletion { [weak self] _ in
self?.unreadIndicatorView.isHidden = true
self?.unreadIndicatorView.alpha = 1
self?.unreadIndicatorPropertyAnimator = nil
}
unreadIndicatorPropertyAnimator?.startAnimation()
} else {
showOrHideView(unreadIndicatorView, cellData.read || cellData.starred)
}
@ -195,10 +208,15 @@ private extension MasterTimelineTableViewCell {
func updateStarView() {
if !starView.isHidden && cellData.read && !cellData.starred {
UIView.animate(withDuration: 0.66, animations: { self.starView.alpha = 0 }) { _ in
self.starView.isHidden = true
self.starView.alpha = 1
starViewPropertyAnimator = UIViewPropertyAnimator(duration: 0.66, curve: .easeInOut) { [weak self] in
self?.starView.alpha = 0
}
starViewPropertyAnimator?.addCompletion { [weak self] _ in
self?.starView.isHidden = true
self?.starView.alpha = 1
self?.starViewPropertyAnimator = nil
}
starViewPropertyAnimator?.startAnimation()
} else {
showOrHideView(starView, !cellData.starred)
}