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Fix recent participants hidden user logic not handling edge case correctly

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Hiding just one user never makes sense, so this will now always show up
to the required circle count until two users are required to be hidden.
This will make the listing more consistent with the width requirement
spec.
This commit is contained in:
Dean Herbert
2021-08-12 18:10:06 +09:00
parent 127fd4d292
commit 8a67304b9f
3 changed files with 71 additions and 27 deletions
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48
osu.Game/Screens/OnlinePlay/Lounge/Components/RecentParticipantsList.cs
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@ -2,6 +2,7 @@
// See the LICENCE file in the repository root for full licence text.
using System.Collections.Specialized;
using System.Diagnostics;
using System.Linq;
using osu.Framework.Allocation;
using osu.Framework.Graphics;
@ -21,6 +22,8 @@ namespace osu.Game.Screens.OnlinePlay.Lounge.Components
{
private const float avatar_size = 36;
private bool canDisplayMoreUsers = true;
private FillFlowContainer<CircularAvatar> avatarFlow;
private HiddenUserCount hiddenUsers;
@ -91,14 +94,17 @@ namespace osu.Game.Screens.OnlinePlay.Lounge.Components
ParticipantCount.BindValueChanged(_ => updateHiddenUserCount(), true);
}
private int numberOfAvatars = 3;
private int numberOfCircles = 3;
public int NumberOfAvatars
/// <summary>
/// The maximum number of circles visible (including the "hidden count" circle in the overflow case).
/// </summary>
public int NumberOfCircles
{
get => numberOfAvatars;
get => numberOfCircles;
set
{
numberOfAvatars = value;
numberOfCircles = value;
if (LoadState < LoadState.Loaded)
return;
@ -107,6 +113,8 @@ namespace osu.Game.Screens.OnlinePlay.Lounge.Components
clearUsers();
foreach (var u in RecentParticipants)
addUser(u);
updateHiddenUserCount();
}
}
@ -136,34 +144,46 @@ namespace osu.Game.Screens.OnlinePlay.Lounge.Components
addUser(u);
break;
}
updateHiddenUserCount();
}
private void addUser(User user)
{
if (avatarFlow.Count < NumberOfAvatars)
avatarFlow.Add(new CircularAvatar { User = user });
if (!canDisplayMoreUsers)
return;
updateHiddenUserCount();
if (avatarFlow.Count < NumberOfCircles)
avatarFlow.Add(new CircularAvatar { User = user });
else if (avatarFlow.Count == NumberOfCircles)
avatarFlow.Remove(avatarFlow.Last());
}
private void removeUser(User user)
{
if (avatarFlow.RemoveAll(a => a.User == user) > 0)
{
if (RecentParticipants.Count >= NumberOfAvatars)
avatarFlow.Add(new CircularAvatar { User = RecentParticipants.First(u => avatarFlow.All(a => a.User != u)) });
}
var nextUser = RecentParticipants.FirstOrDefault(u => avatarFlow.All(a => a.User != u));
if (nextUser == null)
return;
updateHiddenUserCount();
if (canDisplayMoreUsers || NumberOfCircles == RecentParticipants.Count)
avatarFlow.Add(new CircularAvatar { User = nextUser });
}
private void clearUsers()
{
canDisplayMoreUsers = true;
avatarFlow.Clear();
updateHiddenUserCount();
}
private void updateHiddenUserCount() => hiddenUsers.Count = ParticipantCount.Value - avatarFlow.Count;
private void updateHiddenUserCount()
{
int count = ParticipantCount.Value - avatarFlow.Count;
Debug.Assert(count != 1);
hiddenUsers.Count = count;
}
private class CircularAvatar : CompositeDrawable
{