forked from shadowfacts/Tusker
Also perform jump to present check when the timeline VC reappears onscreen
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08878f2fb9
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0dcb7e71c4
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@ -25,6 +25,8 @@ class TimelineViewController: UIViewController, TimelineLikeCollectionViewContro
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private var contentOffsetObservation: NSKeyValueObservation?
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private var activityToRestore: NSUserActivity?
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// the last time this VC disappeared or the scene was backgrounded while it was active, used to decide if we want to check for present when reappearing
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private var disappearedAt: Date?
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init(for timeline: Timeline, mastodonController: MastodonController!) {
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self.timeline = timeline
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@ -115,6 +117,7 @@ class TimelineViewController: UIViewController, TimelineLikeCollectionViewContro
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}
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NotificationCenter.default.addObserver(self, selector: #selector(sceneWillEnterForeground), name: UIScene.willEnterForegroundNotification, object: nil)
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NotificationCenter.default.addObserver(self, selector: #selector(sceneDidEnterBackground), name: UIScene.didEnterBackgroundNotification, object: nil)
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}
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// separate method because InstanceTimelineViewController needs to be able to customize it
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@ -199,6 +202,8 @@ class TimelineViewController: UIViewController, TimelineLikeCollectionViewContro
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await controller.loadInitial()
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}
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}
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} else {
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checkPresentIfEnoughTimeElapsed()
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}
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}
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@ -215,6 +220,12 @@ class TimelineViewController: UIViewController, TimelineLikeCollectionViewContro
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}
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}
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override func viewDidDisappear(_ animated: Bool) {
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super.viewDidDisappear(animated)
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disappearedAt = Date()
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}
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func stateRestorationActivity() -> NSUserActivity? {
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guard isViewLoaded else {
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return nil
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@ -376,9 +387,16 @@ class TimelineViewController: UIViewController, TimelineLikeCollectionViewContro
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view.window?.windowScene == scene else {
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return
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}
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Task {
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await checkPresent(jumpImmediately: false)
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checkPresentIfEnoughTimeElapsed()
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}
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@objc private func sceneDidEnterBackground(_ notification: Foundation.Notification) {
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guard let scene = notification.object as? UIScene,
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// view.window is nil when the VC is not on screen
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view.window?.windowScene == scene else {
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return
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}
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disappearedAt = Date()
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}
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@objc func refresh() {
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@ -406,6 +424,17 @@ class TimelineViewController: UIViewController, TimelineLikeCollectionViewContro
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}
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}
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private func checkPresentIfEnoughTimeElapsed() {
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guard let disappearedAt,
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-disappearedAt.timeIntervalSinceNow > 60 * 60 /* 1 hour */ else {
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return
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}
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self.disappearedAt = nil
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Task {
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await checkPresent(jumpImmediately: false)
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}
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}
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func checkPresent(jumpImmediately: Bool) async {
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if case .idle = controller.state,
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let presentItems = try? await loadInitial(),
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