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osu-lazer/osu.Game/Overlays/Chat/Listing/ChannelListingItem.cs

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// 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.
#nullable enable
using System;
using System.Collections.Generic;
using osu.Framework.Allocation;
using osu.Framework.Bindables;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Shapes;
using osu.Framework.Graphics.Sprites;
using osu.Framework.Input.Events;
using osu.Game.Graphics;
using osu.Game.Graphics.Containers;
using osu.Game.Graphics.Sprites;
using osu.Game.Online.Chat;
using osuTK;
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namespace osu.Game.Overlays.Chat.Listing
{
public class ChannelListingItem : OsuClickableContainer, IFilterable
{
public event Action<Channel>? OnRequestJoin;
public event Action<Channel>? OnRequestLeave;
public bool FilteringActive { get; set; }
public IEnumerable<string> FilterTerms => new[] { channel.Name, channel.Topic ?? string.Empty };
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public bool MatchingFilter { set => this.FadeTo(value ? 1f : 0f, 100); }
private readonly Channel channel;
private Box hoverBox = null!;
private SpriteIcon checkbox = null!;
private OsuSpriteText channelText = null!;
private OsuSpriteText topicText = null!;
private IBindable<bool> channelJoined = null!;
[Resolved]
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private OverlayColourProvider colourProvider { get; set; } = null!;
private const float text_size = 18;
private const float icon_size = 14;
private const float vertical_margin = 1.5f;
public ChannelListingItem(Channel channel)
{
this.channel = channel;
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}
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[BackgroundDependencyLoader]
private void load()
{
Masking = true;
CornerRadius = 5;
RelativeSizeAxes = Axes.X;
Height = 20 + (vertical_margin * 2);
Children = new Drawable[]
{
hoverBox = new Box
{
RelativeSizeAxes = Axes.Both,
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Colour = colourProvider.Background3,
Margin = new MarginPadding { Vertical = vertical_margin },
Alpha = 0f,
},
new GridContainer
{
RelativeSizeAxes = Axes.Both,
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ColumnDimensions = new[]
{
new Dimension(GridSizeMode.Absolute, 40),
new Dimension(GridSizeMode.Absolute, 200),
new Dimension(GridSizeMode.Absolute, 400),
new Dimension(GridSizeMode.AutoSize),
new Dimension(),
},
Content = new[]
{
new Drawable[]
{
checkbox = new SpriteIcon
{
Alpha = 0,
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
Icon = FontAwesome.Solid.Check,
Size = new Vector2(icon_size),
},
channelText = new OsuSpriteText
{
Anchor = Anchor.CentreLeft,
Origin = Anchor.CentreLeft,
Text = channel.Name,
Font = OsuFont.Torus.With(size: text_size, weight: FontWeight.SemiBold),
Margin = new MarginPadding { Bottom = 2 },
},
topicText = new OsuSpriteText
{
Anchor = Anchor.CentreLeft,
Origin = Anchor.CentreLeft,
Text = channel.Topic,
Font = OsuFont.Torus.With(size: text_size),
Margin = new MarginPadding { Bottom = 2 },
},
new SpriteIcon
{
Anchor = Anchor.CentreLeft,
Origin = Anchor.CentreLeft,
Icon = FontAwesome.Solid.User,
Size = new Vector2(icon_size),
Margin = new MarginPadding { Right = 5 },
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Colour = colourProvider.Light3,
},
new OsuSpriteText
{
Anchor = Anchor.CentreLeft,
Origin = Anchor.CentreLeft,
Text = "0",
Font = OsuFont.Torus.With(size: text_size),
Margin = new MarginPadding { Bottom = 2 },
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Colour = colourProvider.Light3,
},
},
},
},
};
}
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protected override void LoadComplete()
{
base.LoadComplete();
channelJoined = channel.Joined.GetBoundCopy();
channelJoined.BindValueChanged(change =>
{
const double duration = 500;
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if (change.NewValue)
{
checkbox.FadeIn(duration, Easing.OutQuint);
checkbox.ScaleTo(1f, duration, Easing.OutElastic);
channelText.Colour = Colour4.White;
topicText.Colour = Colour4.White;
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}
else
{
checkbox.FadeOut(duration, Easing.OutQuint);
checkbox.ScaleTo(0.8f, duration, Easing.OutQuint);
channelText.Colour = colourProvider.Light3;
topicText.Colour = colourProvider.Content2;
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}
}, true);
Action = () => (channelJoined.Value ? OnRequestLeave : OnRequestJoin)?.Invoke(channel);
}
protected override bool OnHover(HoverEvent e)
{
hoverBox.Show();
return base.OnHover(e);
}
protected override void OnHoverLost(HoverLostEvent e)
{
hoverBox.FadeOut(300, Easing.OutQuint);
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base.OnHoverLost(e);
}
}
}