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Update read marker when we go back in live (#8306)

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Yoan Pintas 2023-04-12 09:18:02 +02:00 committed by GitHub
parent 7f42eb3fb6
commit 99aa9493d6
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1 changed files with 5 additions and 1 deletions
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6
vector/src/main/java/im/vector/app/features/home/room/detail/TimelineViewModel.kt
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@ -1325,13 +1325,17 @@ class TimelineViewModel @AssistedInject constructor(
computeUnreadState(timelineEvents, roomSummary)
}
// We don't want live update of unread so we skip when we already had a HasUnread or HasNoUnread
// However, we want to update an existing HasUnread, if the readMarkerId hasn't changed,
// However, we want to update an existing HasUnread, if the readMarkerId hasn't changed or when we go back in live,
// as we might be loading new events to fill gaps in the timeline.
.distinctUntilChanged { previous, current ->
when {
previous is UnreadState.Unknown || previous is UnreadState.ReadMarkerNotLoaded -> false
previous is UnreadState.HasUnread && current is UnreadState.HasUnread &&
previous.readMarkerId == current.readMarkerId -> false
previous is UnreadState.HasUnread && (
current is UnreadState.HasUnread && previous.firstUnreadEventId != current.firstUnreadEventId ||
current is UnreadState.HasNoUnread
) && timeline?.isLive.orFalse() -> false
current is UnreadState.HasUnread || current is UnreadState.HasNoUnread -> true
else -> false
}