mirror of
https://github.com/ppy/osu.git
synced 2024-12-16 15:42:54 +08:00
287 lines
11 KiB
C#
287 lines
11 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
|
|
// See the LICENCE file in the repository root for full licence text.
|
|
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Diagnostics;
|
|
using System.Linq;
|
|
using osu.Framework.Allocation;
|
|
using osuTK.Graphics;
|
|
using osu.Framework.Graphics;
|
|
using osu.Framework.Graphics.Containers;
|
|
using osu.Game.Graphics.Containers;
|
|
using osu.Game.Graphics.Cursor;
|
|
using osu.Game.Online.Chat;
|
|
using osu.Framework.Graphics.Shapes;
|
|
using osu.Game.Graphics;
|
|
using osu.Framework.Extensions.Color4Extensions;
|
|
using osu.Framework.Graphics.Sprites;
|
|
using osu.Framework.Utils;
|
|
using osu.Game.Graphics.Sprites;
|
|
|
|
namespace osu.Game.Overlays.Chat
|
|
{
|
|
public class DrawableChannel : Container
|
|
{
|
|
public readonly Channel Channel;
|
|
protected FillFlowContainer ChatLineFlow;
|
|
private ChannelScrollContainer scroll;
|
|
|
|
private bool scrollbarVisible = true;
|
|
|
|
public bool ScrollbarVisible
|
|
{
|
|
set
|
|
{
|
|
if (scrollbarVisible == value) return;
|
|
|
|
scrollbarVisible = value;
|
|
if (scroll != null)
|
|
scroll.ScrollbarVisible = value;
|
|
}
|
|
}
|
|
|
|
[Resolved]
|
|
private OsuColour colours { get; set; }
|
|
|
|
public DrawableChannel(Channel channel)
|
|
{
|
|
Channel = channel;
|
|
RelativeSizeAxes = Axes.Both;
|
|
}
|
|
|
|
[BackgroundDependencyLoader]
|
|
private void load()
|
|
{
|
|
Child = new OsuContextMenuContainer
|
|
{
|
|
RelativeSizeAxes = Axes.Both,
|
|
Masking = true,
|
|
Child = scroll = new ChannelScrollContainer
|
|
{
|
|
ScrollbarVisible = scrollbarVisible,
|
|
RelativeSizeAxes = Axes.Both,
|
|
// Some chat lines have effects that slightly protrude to the bottom,
|
|
// which we do not want to mask away, hence the padding.
|
|
Padding = new MarginPadding { Bottom = 5 },
|
|
Child = ChatLineFlow = new FillFlowContainer
|
|
{
|
|
Padding = new MarginPadding { Left = 20, Right = 20 },
|
|
RelativeSizeAxes = Axes.X,
|
|
AutoSizeAxes = Axes.Y,
|
|
Direction = FillDirection.Vertical,
|
|
}
|
|
},
|
|
};
|
|
|
|
newMessagesArrived(Channel.Messages);
|
|
|
|
Channel.NewMessagesArrived += newMessagesArrived;
|
|
Channel.MessageRemoved += messageRemoved;
|
|
Channel.PendingMessageResolved += pendingMessageResolved;
|
|
}
|
|
|
|
protected override void Dispose(bool isDisposing)
|
|
{
|
|
base.Dispose(isDisposing);
|
|
|
|
Channel.NewMessagesArrived -= newMessagesArrived;
|
|
Channel.MessageRemoved -= messageRemoved;
|
|
Channel.PendingMessageResolved -= pendingMessageResolved;
|
|
}
|
|
|
|
protected virtual ChatLine CreateChatLine(Message m) => new ChatLine(m);
|
|
|
|
protected virtual DaySeparator CreateDaySeparator(DateTimeOffset time) => new DaySeparator(time)
|
|
{
|
|
Margin = new MarginPadding { Vertical = 10 },
|
|
Colour = colours.ChatBlue.Lighten(0.7f),
|
|
};
|
|
|
|
private void newMessagesArrived(IEnumerable<Message> newMessages) => Schedule(() =>
|
|
{
|
|
if (newMessages.Min(m => m.Id) < chatLines.Max(c => c.Message.Id))
|
|
{
|
|
// there is a case (on initial population) that we may receive past messages and need to reorder.
|
|
// easiest way is to just combine messages and recreate drawables (less worrying about day separators etc.)
|
|
newMessages = newMessages.Concat(chatLines.Select(c => c.Message)).OrderBy(m => m.Id).ToList();
|
|
ChatLineFlow.Clear();
|
|
}
|
|
|
|
// Add up to last Channel.MAX_HISTORY messages
|
|
var displayMessages = newMessages.Skip(Math.Max(0, newMessages.Count() - Channel.MAX_HISTORY));
|
|
|
|
Message lastMessage = chatLines.LastOrDefault()?.Message;
|
|
|
|
foreach (var message in displayMessages)
|
|
{
|
|
if (lastMessage == null || lastMessage.Timestamp.ToLocalTime().Date != message.Timestamp.ToLocalTime().Date)
|
|
ChatLineFlow.Add(CreateDaySeparator(message.Timestamp));
|
|
|
|
ChatLineFlow.Add(CreateChatLine(message));
|
|
lastMessage = message;
|
|
}
|
|
|
|
var staleMessages = chatLines.Where(c => c.LifetimeEnd == double.MaxValue).ToArray();
|
|
int count = staleMessages.Length - Channel.MAX_HISTORY;
|
|
|
|
if (count > 0)
|
|
{
|
|
void expireAndAdjustScroll(Drawable d)
|
|
{
|
|
scroll.OffsetScrollPosition(-d.DrawHeight);
|
|
d.Expire();
|
|
}
|
|
|
|
for (int i = 0; i < count; i++)
|
|
expireAndAdjustScroll(staleMessages[i]);
|
|
|
|
// remove all adjacent day separators after stale message removal
|
|
for (int i = 0; i < ChatLineFlow.Count - 1; i++)
|
|
{
|
|
if (!(ChatLineFlow[i] is DaySeparator)) break;
|
|
if (!(ChatLineFlow[i + 1] is DaySeparator)) break;
|
|
|
|
expireAndAdjustScroll(ChatLineFlow[i]);
|
|
}
|
|
}
|
|
|
|
// due to the scroll adjusts from old messages removal above, a scroll-to-end must be enforced,
|
|
// to avoid making the container think the user has scrolled back up and unwantedly disable auto-scrolling.
|
|
if (newMessages.Any(m => m is LocalMessage))
|
|
scroll.ScrollToEnd();
|
|
});
|
|
|
|
private void pendingMessageResolved(Message existing, Message updated) => Schedule(() =>
|
|
{
|
|
var found = chatLines.LastOrDefault(c => c.Message == existing);
|
|
|
|
if (found != null)
|
|
{
|
|
Trace.Assert(updated.Id.HasValue, "An updated message was returned with no ID.");
|
|
|
|
ChatLineFlow.Remove(found);
|
|
found.Message = updated;
|
|
ChatLineFlow.Add(found);
|
|
}
|
|
});
|
|
|
|
private void messageRemoved(Message removed) => Schedule(() =>
|
|
{
|
|
chatLines.FirstOrDefault(c => c.Message == removed)?.FadeColour(Color4.Red, 400).FadeOut(600).Expire();
|
|
});
|
|
|
|
private IEnumerable<ChatLine> chatLines => ChatLineFlow.Children.OfType<ChatLine>();
|
|
|
|
public class DaySeparator : Container
|
|
{
|
|
public float TextSize
|
|
{
|
|
get => text.Font.Size;
|
|
set => text.Font = text.Font.With(size: value);
|
|
}
|
|
|
|
private float lineHeight = 2;
|
|
|
|
public float LineHeight
|
|
{
|
|
get => lineHeight;
|
|
set => lineHeight = leftBox.Height = rightBox.Height = value;
|
|
}
|
|
|
|
private readonly SpriteText text;
|
|
private readonly Box leftBox;
|
|
private readonly Box rightBox;
|
|
|
|
public DaySeparator(DateTimeOffset time)
|
|
{
|
|
RelativeSizeAxes = Axes.X;
|
|
AutoSizeAxes = Axes.Y;
|
|
Child = new GridContainer
|
|
{
|
|
RelativeSizeAxes = Axes.X,
|
|
AutoSizeAxes = Axes.Y,
|
|
ColumnDimensions = new[]
|
|
{
|
|
new Dimension(),
|
|
new Dimension(GridSizeMode.AutoSize),
|
|
new Dimension(),
|
|
},
|
|
RowDimensions = new[] { new Dimension(GridSizeMode.AutoSize), },
|
|
Content = new[]
|
|
{
|
|
new Drawable[]
|
|
{
|
|
leftBox = new Box
|
|
{
|
|
Anchor = Anchor.Centre,
|
|
Origin = Anchor.Centre,
|
|
RelativeSizeAxes = Axes.X,
|
|
Height = lineHeight,
|
|
},
|
|
text = new OsuSpriteText
|
|
{
|
|
Margin = new MarginPadding { Horizontal = 10 },
|
|
Text = time.ToLocalTime().ToString("dd MMM yyyy"),
|
|
},
|
|
rightBox = new Box
|
|
{
|
|
Anchor = Anchor.Centre,
|
|
Origin = Anchor.Centre,
|
|
RelativeSizeAxes = Axes.X,
|
|
Height = lineHeight,
|
|
},
|
|
}
|
|
}
|
|
};
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// An <see cref="OsuScrollContainer"/> with functionality to automatically scroll whenever the maximum scrollable distance increases.
|
|
/// </summary>
|
|
private class ChannelScrollContainer : UserTrackingScrollContainer
|
|
{
|
|
/// <summary>
|
|
/// The chat will be automatically scrolled to end if and only if
|
|
/// the distance between the current scroll position and the end of the scroll
|
|
/// is less than this value.
|
|
/// </summary>
|
|
private const float auto_scroll_leniency = 10f;
|
|
|
|
private float? lastExtent;
|
|
|
|
protected override void OnUserScroll(float value, bool animated = true, double? distanceDecay = default)
|
|
{
|
|
base.OnUserScroll(value, animated, distanceDecay);
|
|
lastExtent = null;
|
|
}
|
|
|
|
protected override void Update()
|
|
{
|
|
base.Update();
|
|
|
|
// If the user has scrolled to the bottom of the container, we should resume tracking new content.
|
|
if (UserScrolling && IsScrolledToEnd(auto_scroll_leniency))
|
|
CancelUserScroll();
|
|
|
|
// If the user hasn't overridden our behaviour and there has been new content added to the container, we should update our scroll position to track it.
|
|
bool requiresScrollUpdate = !UserScrolling && (lastExtent == null || Precision.AlmostBigger(ScrollableExtent, lastExtent.Value));
|
|
|
|
if (requiresScrollUpdate)
|
|
{
|
|
// Schedule required to allow FillFlow to be the correct size.
|
|
Schedule(() =>
|
|
{
|
|
if (!UserScrolling)
|
|
{
|
|
ScrollToEnd();
|
|
lastExtent = ScrollableExtent;
|
|
}
|
|
});
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|