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mirror of https://github.com/ppy/osu.git synced 2024-09-22 03:27:24 +08:00

Add more safety around CancellationToken usage

This commit is contained in:
Dean Herbert 2022-01-29 12:18:34 +09:00
parent d0b74a91fb
commit 6f54f8ad78

View File

@ -3,11 +3,13 @@
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Threading;
using JetBrains.Annotations;
using osu.Framework.Allocation;
using osu.Framework.Bindables;
using osu.Framework.Development;
using osu.Framework.Extensions.Color4Extensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Colour;
@ -189,6 +191,8 @@ namespace osu.Game.Online.Leaderboards
private void refetchScores()
{
Debug.Assert(ThreadSafety.IsUpdateThread);
Reset();
PlaceholderState = PlaceholderState.Retrieving;
@ -215,10 +219,8 @@ namespace osu.Game.Online.Leaderboards
private void cancelPendingWork()
{
currentFetchCancellationSource?.Cancel();
currentFetchCancellationSource = null;
currentScoresAsyncLoadCancellationSource?.Cancel();
fetchScoresRequest?.Cancel();
fetchScoresRequest = null;
}
#region Placeholder handling
@ -280,7 +282,6 @@ namespace osu.Game.Online.Leaderboards
private void updateScoresDrawables()
{
currentScoresAsyncLoadCancellationSource?.Cancel();
currentScoresAsyncLoadCancellationSource = new CancellationTokenSource();
scoreFlowContainer?
.FadeOut(fade_duration, Easing.OutQuint)
@ -319,7 +320,7 @@ namespace osu.Game.Online.Leaderboards
scrollContainer.ScrollToStart(false);
loading.Hide();
}, currentScoresAsyncLoadCancellationSource.Token);
}, (currentScoresAsyncLoadCancellationSource = new CancellationTokenSource()).Token);
}
private void replacePlaceholder(Placeholder placeholder)