mirror of https://github.com/ppy/osu
81 lines
2.8 KiB
C#
81 lines
2.8 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 JetBrains.Annotations;
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using osu.Framework.Allocation;
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using osu.Framework.Graphics;
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using osu.Framework.Graphics.Containers;
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using osu.Game.Graphics.Containers;
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using osuTK;
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namespace osu.Game.Screens.OnlinePlay.Multiplayer.Participants
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{
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public partial class ParticipantsList : MultiplayerRoomComposite
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{
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private FillFlowContainer<ParticipantPanel> panels;
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[CanBeNull]
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private ParticipantPanel currentHostPanel;
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[BackgroundDependencyLoader]
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private void load()
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{
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InternalChild = new OsuScrollContainer
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{
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RelativeSizeAxes = Axes.Both,
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ScrollbarVisible = false,
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Child = panels = new FillFlowContainer<ParticipantPanel>
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{
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RelativeSizeAxes = Axes.X,
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AutoSizeAxes = Axes.Y,
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Direction = FillDirection.Vertical,
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Spacing = new Vector2(0, 2)
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}
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};
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}
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protected override void OnRoomUpdated()
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{
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base.OnRoomUpdated();
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if (Room == null)
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panels.Clear();
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else
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{
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// Remove panels for users no longer in the room.
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foreach (var p in panels)
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{
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// Note that we *must* use reference equality here, as this call is scheduled and a user may have left and joined since it was last run.
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if (Room.Users.All(u => !ReferenceEquals(p.User, u)))
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p.Expire();
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}
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// Add panels for all users new to the room.
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foreach (var user in Room.Users.Except(panels.Select(p => p.User)))
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panels.Add(new ParticipantPanel(user));
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if (currentHostPanel == null || !currentHostPanel.User.Equals(Room.Host))
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{
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// Reset position of previous host back to normal, if one existing.
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if (currentHostPanel != null && panels.Contains(currentHostPanel))
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panels.SetLayoutPosition(currentHostPanel, 0);
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currentHostPanel = null;
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// Change position of new host to display above all participants.
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if (Room.Host != null)
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{
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currentHostPanel = panels.SingleOrDefault(u => u.User.Equals(Room.Host));
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if (currentHostPanel != null)
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panels.SetLayoutPosition(currentHostPanel, -1);
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}
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}
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}
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}
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}
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}
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