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2a0b1f3615
- Add a download failed event to BeatmapManager - Make DownloadButton aware of all 3 possible download states - Change button appearance based on each state
111 lines
3.7 KiB
C#
111 lines
3.7 KiB
C#
// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
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// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
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using System.Linq;
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using osu.Framework.Allocation;
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using osu.Framework.Configuration;
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using osu.Framework.Graphics;
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using osu.Game.Online.API.Requests;
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namespace osu.Game.Beatmaps.Drawables
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{
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/// <summary>
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/// A component to allow downloading of a beatmap set. Automatically handles state syncing between other instances.
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/// </summary>
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public class BeatmapSetDownloader : Component
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{
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private readonly BeatmapSetInfo set;
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private readonly bool noVideo;
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private BeatmapManager beatmaps;
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/// <summary>
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/// Holds the current download state of the beatmap, whether is has already been downloaded, is in progress, or is not downloaded.
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/// </summary>
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public readonly Bindable<DownloadStatus> DownloadState = new Bindable<DownloadStatus>();
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public BeatmapSetDownloader(BeatmapSetInfo set, bool noVideo = false)
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{
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this.set = set;
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this.noVideo = noVideo;
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}
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[BackgroundDependencyLoader]
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private void load(BeatmapManager beatmaps)
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{
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this.beatmaps = beatmaps;
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beatmaps.ItemAdded += setAdded;
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beatmaps.ItemRemoved += setRemoved;
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beatmaps.BeatmapDownloadBegan += downloadBegan;
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beatmaps.BeatmapDownloadFailed += downloadFailed;
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// initial value
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if (set.OnlineBeatmapSetID != null && beatmaps.QueryBeatmapSets(s => s.OnlineBeatmapSetID == set.OnlineBeatmapSetID && !s.DeletePending).Any())
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DownloadState.Value = DownloadStatus.Downloaded;
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else if (beatmaps.GetExistingDownload(set) != null)
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DownloadState.Value = DownloadStatus.Downloading;
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else
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DownloadState.Value = DownloadStatus.NotDownloaded;
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}
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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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if (beatmaps != null)
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{
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beatmaps.ItemAdded -= setAdded;
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beatmaps.ItemRemoved -= setRemoved;
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beatmaps.BeatmapDownloadBegan -= downloadBegan;
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beatmaps.BeatmapDownloadFailed -= downloadFailed;
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}
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}
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/// <summary>
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/// Begin downloading the associated beatmap set.
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/// </summary>
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/// <returns>True if downloading began. False if an existing download is active or completed.</returns>
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public void Download()
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{
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if (DownloadState.Value > DownloadStatus.NotDownloaded)
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return;
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beatmaps.Download(set, noVideo);
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DownloadState.Value = DownloadStatus.Downloading;
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}
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private void setAdded(BeatmapSetInfo s)
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{
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if (s.OnlineBeatmapSetID == set.OnlineBeatmapSetID)
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DownloadState.Value = DownloadStatus.Downloaded;
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}
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private void setRemoved(BeatmapSetInfo s)
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{
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if (s.OnlineBeatmapSetID == set.OnlineBeatmapSetID)
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DownloadState.Value = DownloadStatus.NotDownloaded;
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}
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private void downloadBegan(DownloadBeatmapSetRequest d)
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{
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if (d.BeatmapSet.OnlineBeatmapSetID == set.OnlineBeatmapSetID)
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DownloadState.Value = DownloadStatus.Downloading;
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}
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private void downloadFailed(DownloadBeatmapSetRequest d)
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{
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if (d.BeatmapSet.OnlineBeatmapSetID == set.OnlineBeatmapSetID)
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DownloadState.Value = DownloadStatus.NotDownloaded;
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}
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public enum DownloadStatus
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{
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NotDownloaded,
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Downloading,
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Downloaded,
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}
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}
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}
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