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81 lines
2.3 KiB
C#
81 lines
2.3 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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#nullable disable
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using System.Linq;
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using System.Threading.Tasks;
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using osu.Framework.Allocation;
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using osu.Framework.Bindables;
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using osu.Game.Online.Rooms;
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using osu.Game.Screens.OnlinePlay.Lounge.Components;
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namespace osu.Game.Screens.OnlinePlay.Components
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{
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/// <summary>
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/// A <see cref="RoomPollingComponent"/> that polls for the lounge listing.
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/// </summary>
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public class ListingPollingComponent : RoomPollingComponent
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{
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public IBindable<bool> InitialRoomsReceived => initialRoomsReceived;
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private readonly Bindable<bool> initialRoomsReceived = new Bindable<bool>();
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public readonly Bindable<FilterCriteria> Filter = new Bindable<FilterCriteria>();
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[BackgroundDependencyLoader]
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private void load()
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{
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Filter.BindValueChanged(_ =>
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{
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RoomManager.ClearRooms();
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initialRoomsReceived.Value = false;
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if (IsLoaded)
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PollImmediately();
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});
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}
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private GetRoomsRequest lastPollRequest;
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protected override Task Poll()
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{
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if (!API.IsLoggedIn)
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return base.Poll();
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if (Filter.Value == null)
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return base.Poll();
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var tcs = new TaskCompletionSource<bool>();
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lastPollRequest?.Cancel();
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var req = new GetRoomsRequest(Filter.Value.Status, Filter.Value.Category);
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req.Success += result =>
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{
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foreach (var existing in RoomManager.Rooms.ToArray())
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{
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if (result.All(r => r.RoomID.Value != existing.RoomID.Value))
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RoomManager.RemoveRoom(existing);
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}
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foreach (var incoming in result)
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{
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incoming.RemoveExpiredPlaylistItems();
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RoomManager.AddOrUpdateRoom(incoming);
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}
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initialRoomsReceived.Value = true;
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tcs.SetResult(true);
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};
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req.Failure += _ => tcs.SetResult(false);
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API.Queue(req);
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lastPollRequest = req;
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return tcs.Task;
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}
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}
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}
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