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73 lines
2.1 KiB
C#
73 lines
2.1 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.Collections.Generic;
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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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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 currently-selected room.
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/// </summary>
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public class SelectionPollingComponent : RoomPollingComponent
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{
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[Resolved]
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private Bindable<Room> selectedRoom { get; set; }
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[Resolved]
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private IRoomManager roomManager { get; set; }
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[BackgroundDependencyLoader]
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private void load()
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{
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selectedRoom.BindValueChanged(_ =>
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{
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if (IsLoaded)
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PollImmediately();
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});
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}
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private GetRoomRequest pollReq;
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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 (selectedRoom.Value?.RoomID.Value == null)
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return base.Poll();
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var tcs = new TaskCompletionSource<bool>();
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pollReq?.Cancel();
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pollReq = new GetRoomRequest(selectedRoom.Value.RoomID.Value.Value);
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pollReq.Success += result =>
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{
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// existing rooms need to be ordered by their position because the received of NotifyRoomsReceives expects to be able to sort them based on this order.
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var rooms = new List<Room>(roomManager.Rooms.OrderBy(r => r.Position.Value));
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int index = rooms.FindIndex(r => r.RoomID.Value == result.RoomID.Value);
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if (index < 0)
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return;
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rooms[index] = result;
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NotifyRoomsReceived(rooms);
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tcs.SetResult(true);
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};
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pollReq.Failure += _ => tcs.SetResult(false);
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API.Queue(pollReq);
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return tcs.Task;
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}
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}
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}
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