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160 lines
5.4 KiB
C#
160 lines
5.4 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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using System;
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using osu.Framework.Allocation;
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using osu.Framework.Bindables;
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using osu.Game.Online.API;
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using osu.Game.Scoring;
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#nullable enable
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namespace osu.Game.Online
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{
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public class ScoreDownloadTracker : DownloadTracker<ScoreInfo>
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{
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[Resolved(CanBeNull = true)]
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protected ScoreManager? Manager { get; private set; }
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private ArchiveDownloadRequest<ScoreInfo>? attachedRequest;
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public ScoreDownloadTracker(ScoreInfo trackedItem)
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: base(trackedItem)
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{
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}
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private IBindable<WeakReference<ScoreInfo>>? managerUpdated;
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private IBindable<WeakReference<ScoreInfo>>? managerRemoved;
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private IBindable<WeakReference<ArchiveDownloadRequest<ScoreInfo>>>? managerDownloadBegan;
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private IBindable<WeakReference<ArchiveDownloadRequest<ScoreInfo>>>? managerDownloadFailed;
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[BackgroundDependencyLoader(true)]
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private void load()
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{
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if (Manager == null)
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return;
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// Used to interact with manager classes that don't support interface types. Will eventually be replaced.
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var scoreInfo = new ScoreInfo
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{
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ID = TrackedItem.ID,
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OnlineScoreID = TrackedItem.OnlineScoreID
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};
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if (Manager.IsAvailableLocally(scoreInfo))
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UpdateState(DownloadState.LocallyAvailable);
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else
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attachDownload(Manager.GetExistingDownload(scoreInfo));
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managerDownloadBegan = Manager.DownloadBegan.GetBoundCopy();
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managerDownloadBegan.BindValueChanged(downloadBegan);
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managerDownloadFailed = Manager.DownloadFailed.GetBoundCopy();
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managerDownloadFailed.BindValueChanged(downloadFailed);
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managerUpdated = Manager.ItemUpdated.GetBoundCopy();
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managerUpdated.BindValueChanged(itemUpdated);
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managerRemoved = Manager.ItemRemoved.GetBoundCopy();
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managerRemoved.BindValueChanged(itemRemoved);
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}
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private void downloadBegan(ValueChangedEvent<WeakReference<ArchiveDownloadRequest<ScoreInfo>>> weakRequest)
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{
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if (weakRequest.NewValue.TryGetTarget(out var request))
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{
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Schedule(() =>
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{
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if (checkEquality(request.Model, TrackedItem))
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attachDownload(request);
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});
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}
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}
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private void downloadFailed(ValueChangedEvent<WeakReference<ArchiveDownloadRequest<ScoreInfo>>> weakRequest)
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{
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if (weakRequest.NewValue.TryGetTarget(out var request))
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{
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Schedule(() =>
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{
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if (checkEquality(request.Model, TrackedItem))
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attachDownload(null);
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});
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}
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}
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private void attachDownload(ArchiveDownloadRequest<ScoreInfo>? request)
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{
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if (attachedRequest != null)
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{
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attachedRequest.Failure -= onRequestFailure;
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attachedRequest.DownloadProgressed -= onRequestProgress;
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attachedRequest.Success -= onRequestSuccess;
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}
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attachedRequest = request;
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if (attachedRequest != null)
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{
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if (attachedRequest.Progress == 1)
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{
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UpdateProgress(1);
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UpdateState(DownloadState.Importing);
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}
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else
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{
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UpdateProgress(attachedRequest.Progress);
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UpdateState(DownloadState.Downloading);
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attachedRequest.Failure += onRequestFailure;
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attachedRequest.DownloadProgressed += onRequestProgress;
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attachedRequest.Success += onRequestSuccess;
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}
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}
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else
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{
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UpdateState(DownloadState.NotDownloaded);
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}
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}
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private void onRequestSuccess(string _) => Schedule(() => UpdateState(DownloadState.Importing));
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private void onRequestProgress(float progress) => Schedule(() => UpdateProgress(progress));
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private void onRequestFailure(Exception e) => Schedule(() => attachDownload(null));
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private void itemUpdated(ValueChangedEvent<WeakReference<ScoreInfo>> weakItem)
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{
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if (weakItem.NewValue.TryGetTarget(out var item))
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{
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Schedule(() =>
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{
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if (checkEquality(item, TrackedItem))
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UpdateState(DownloadState.LocallyAvailable);
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});
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}
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}
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private void itemRemoved(ValueChangedEvent<WeakReference<ScoreInfo>> weakItem)
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{
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if (weakItem.NewValue.TryGetTarget(out var item))
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{
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Schedule(() =>
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{
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if (checkEquality(item, TrackedItem))
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UpdateState(DownloadState.NotDownloaded);
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});
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}
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}
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private bool checkEquality(ScoreInfo x, ScoreInfo y) => x.OnlineScoreID == y.OnlineScoreID;
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#region Disposal
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protected override void Dispose(bool isDisposing)
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{
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base.Dispose(isDisposing);
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attachDownload(null);
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}
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#endregion
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}
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}
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