osu/osu.Game/Overlays/Toolbar/ToolbarNotificationButton.cs

111 lines
3.3 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 osu.Framework.Allocation;
using osu.Framework.Bindables;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Shapes;
using osu.Game.Graphics;
using osu.Game.Graphics.Sprites;
using osu.Game.Input.Bindings;
using osuTK;
using osuTK.Graphics;
namespace osu.Game.Overlays.Toolbar
{
public class ToolbarNotificationButton : ToolbarOverlayToggleButton
{
protected override Anchor TooltipAnchor => Anchor.TopRight;
public BindableInt NotificationCount = new BindableInt();
private readonly CountCircle countDisplay;
public ToolbarNotificationButton()
{
Hotkey = GlobalAction.ToggleNotifications;
Add(countDisplay = new CountCircle
{
Alpha = 0,
Height = 16,
RelativePositionAxes = Axes.Both,
Origin = Anchor.Centre,
Position = new Vector2(0.7f, 0.25f),
});
}
[BackgroundDependencyLoader(true)]
private void load(NotificationOverlay notificationOverlay)
{
StateContainer = notificationOverlay;
if (notificationOverlay != null)
NotificationCount.BindTo(notificationOverlay.UnreadCount);
NotificationCount.ValueChanged += count =>
{
if (count.NewValue == 0)
countDisplay.FadeOut(200, Easing.OutQuint);
else
{
countDisplay.Count = count.NewValue;
countDisplay.FadeIn(200, Easing.OutQuint);
}
};
}
private class CountCircle : CompositeDrawable
{
private readonly OsuSpriteText countText;
private readonly Circle circle;
private int count;
public int Count
{
get => count;
set
{
if (count == value)
return;
if (value > count)
{
circle.FlashColour(Color4.White, 600, Easing.OutQuint);
this.ScaleTo(1.1f).Then().ScaleTo(1, 600, Easing.OutElastic);
}
count = value;
countText.Text = value.ToString("#,0");
}
}
public CountCircle()
{
AutoSizeAxes = Axes.X;
InternalChildren = new Drawable[]
{
circle = new Circle
{
RelativeSizeAxes = Axes.Both,
Colour = Color4.Red
},
countText = new OsuSpriteText
{
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
Y = -1,
Font = OsuFont.GetFont(size: 14, weight: FontWeight.Bold),
Padding = new MarginPadding(5),
Colour = Color4.White,
UseFullGlyphHeight = true,
}
};
}
}
}
}