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osu-lazer/osu.Game/Screens/Ranking/SoloResultsScreen.cs
Bartłomiej Dach 3c0b8af8f1
Allow unsubscribing from solo statistics updates
This is more of a safety item. To avoid potential duplicate key in
dictionary errors (and also avoid being slightly memory-leaky), allow
`SoloStatisticsWatcher` consumers to dispose of the subscriptions they
take out.
2022-12-28 08:07:48 +01:00

83 lines
2.8 KiB
C#

// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
using System;
using System.Collections.Generic;
using System.Linq;
using osu.Framework.Allocation;
using osu.Framework.Bindables;
using osu.Game.Beatmaps;
using osu.Game.Online.API;
using osu.Game.Online.API.Requests;
using osu.Game.Online.Solo;
using osu.Game.Rulesets;
using osu.Game.Scoring;
using osu.Game.Screens.Ranking.Statistics;
namespace osu.Game.Screens.Ranking
{
public partial class SoloResultsScreen : ResultsScreen
{
/// <summary>
/// Whether the user's personal statistics should be shown on the extended statistics panel
/// after clicking the score panel associated with the <see cref="ResultsScreen.Score"/> being presented.
/// </summary>
public bool ShowUserStatistics { get; init; }
private GetScoresRequest? getScoreRequest;
[Resolved]
private RulesetStore rulesets { get; set; } = null!;
[Resolved]
private SoloStatisticsWatcher soloStatisticsWatcher { get; set; } = null!;
private IDisposable? statisticsSubscription;
private readonly Bindable<SoloStatisticsUpdate?> statisticsUpdate = new Bindable<SoloStatisticsUpdate?>();
public SoloResultsScreen(ScoreInfo score, bool allowRetry)
: base(score, allowRetry)
{
}
protected override void LoadComplete()
{
base.LoadComplete();
if (ShowUserStatistics)
statisticsSubscription = soloStatisticsWatcher.RegisterForStatisticsUpdateAfter(Score, update => statisticsUpdate.Value = update);
}
protected override StatisticsPanel CreateStatisticsPanel()
{
if (ShowUserStatistics)
{
return new SoloStatisticsPanel(Score)
{
StatisticsUpdate = { BindTarget = statisticsUpdate }
};
}
return base.CreateStatisticsPanel();
}
protected override APIRequest? FetchScores(Action<IEnumerable<ScoreInfo>>? scoresCallback)
{
if (Score.BeatmapInfo.OnlineID <= 0 || Score.BeatmapInfo.Status <= BeatmapOnlineStatus.Pending)
return null;
getScoreRequest = new GetScoresRequest(Score.BeatmapInfo, Score.Ruleset);
getScoreRequest.Success += r => scoresCallback?.Invoke(r.Scores.Where(s => s.OnlineID != Score.OnlineID).Select(s => s.ToScoreInfo(rulesets, Beatmap.Value.BeatmapInfo)));
return getScoreRequest;
}
protected override void Dispose(bool isDisposing)
{
base.Dispose(isDisposing);
getScoreRequest?.Cancel();
statisticsSubscription?.Dispose();
}
}
}