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Fix leaderboard potentially displaying the wrong scores 

Closes #14762.

This class is ugly. I think the whole process should be clened up once
we have correctly-scheduled `SynchronizationContext`s. There's not much
saving it as long as all these interdispersed `Schedule`s around
required.
This commit is contained in:
Dean Herbert 2021-10-06 16:07:27 +09:00
parent e6aa05a4a4
commit 3803f2f462
1 changed files with 6 additions and 2 deletions
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8
osu.Game/Online/Leaderboards/Leaderboard.cs
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@ -255,6 +255,7 @@ private void load()
}
private APIRequest getScoresRequest;
private ScheduledDelegate getScoresRequestCallback;
protected abstract bool IsOnlineScope { get; }
@ -282,13 +283,16 @@ protected void UpdateScores()
getScoresRequest?.Cancel();
getScoresRequest = null;
getScoresRequestCallback?.Cancel();
getScoresRequestCallback = null;
pendingUpdateScores?.Cancel();
pendingUpdateScores = Schedule(() =>
{
PlaceholderState = PlaceholderState.Retrieving;
loading.Show();
getScoresRequest = FetchScores(scores => Schedule(() =>
getScoresRequest = FetchScores(scores => getScoresRequestCallback = Schedule(() =>
{
Scores = scores.ToArray();
PlaceholderState = Scores.Any() ? PlaceholderState.Successful : PlaceholderState.NoScores;
@ -297,7 +301,7 @@ protected void UpdateScores()
if (getScoresRequest == null)
return;
getScoresRequest.Failure += e => Schedule(() =>
getScoresRequest.Failure += e => getScoresRequestCallback = Schedule(() =>
{
if (e is OperationCanceledException)
return;