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Merge pull request #5381 from peppy/fix-leaderboard-display-crash

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Fix potential crash when displaying leaderbaords
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Dean Herbert 2019-07-17 22:00:45 +09:00 committed by GitHub
commit bee30b18d2
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 6 additions and 13 deletions
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19
osu.Game/Online/Leaderboards/Leaderboard.cs
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@ -51,7 +51,6 @@ namespace osu.Game.Online.Leaderboards
loading.Hide();
// schedule because we may not be loaded yet (LoadComponentAsync complains).
showScoresDelegate?.Cancel();
showScoresCancellationSource?.Cancel();
@ -61,28 +60,22 @@ namespace osu.Game.Online.Leaderboards
// ensure placeholder is hidden when displaying scores
PlaceholderState = PlaceholderState.Successful;
scrollFlow = CreateScoreFlow();
scrollFlow.ChildrenEnumerable = scores.Select((s, index) => CreateDrawableScore(s, index + 1));
var sf = CreateScoreFlow();
sf.ChildrenEnumerable = scores.Select((s, index) => CreateDrawableScore(s, index + 1));
if (!IsLoaded)
showScoresDelegate = Schedule(showScores);
else
showScores();
void showScores() => LoadComponentAsync(scrollFlow, _ =>
// schedule because we may not be loaded yet (LoadComponentAsync complains).
showScoresDelegate = Schedule(() => LoadComponentAsync(sf, _ =>
{
scrollContainer.Add(scrollFlow);
scrollContainer.Add(scrollFlow = sf);
int i = 0;
foreach (var s in scrollFlow.Children)
{
using (s.BeginDelayedSequence(i++ * 50, true))
s.Show();
}
scrollContainer.ScrollTo(0f, false);
}, (showScoresCancellationSource = new CancellationTokenSource()).Token);
}, (showScoresCancellationSource = new CancellationTokenSource()).Token));
}
}