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osu-lazer/osu.Game/Overlays/NotificationOverlayToastTray.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.
using System;
using System.Collections.Generic;
using System.Diagnostics;
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using System.Linq;
using osu.Framework.Allocation;
using osu.Framework.Extensions.Color4Extensions;
using osu.Framework.Extensions.IEnumerableExtensions;
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using osu.Framework.Graphics;
using osu.Framework.Graphics.Colour;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Effects;
using osu.Framework.Graphics.Shapes;
using osu.Framework.Utils;
using osu.Game.Overlays.Notifications;
using osuTK;
namespace osu.Game.Overlays
{
/// <summary>
/// A tray which attaches to the left of <see cref="NotificationOverlay"/> to show temporary toasts.
/// </summary>
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public partial class NotificationOverlayToastTray : CompositeDrawable
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{
public override bool IsPresent => toastContentBackground.Height > 0 || toastFlow.Count > 0;
public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) => toastFlow.ReceivePositionalInputAt(screenSpacePos);
/// <summary>
/// All notifications currently being displayed by the toast tray.
/// </summary>
public IEnumerable<Notification> Notifications => toastFlow.Concat(InternalChildren.OfType<Notification>());
public bool IsDisplayingToasts => toastFlow.Count > 0;
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private FillFlowContainer<Notification> toastFlow = null!;
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private BufferedContainer toastContentBackground = null!;
[Resolved]
private OverlayColourProvider colourProvider { get; set; } = null!;
public Action<Notification>? ForwardNotificationToPermanentStore { get; set; }
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public int UnreadCount => Notifications.Count(n => !n.WasClosed && !n.Read);
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private int runningDepth;
[BackgroundDependencyLoader]
private void load()
{
RelativeSizeAxes = Axes.X;
AutoSizeAxes = Axes.Y;
Padding = new MarginPadding(20);
InternalChildren = new Drawable[]
{
toastContentBackground = (new Box
{
Anchor = Anchor.TopRight,
Origin = Anchor.TopRight,
Colour = ColourInfo.GradientVertical(
colourProvider.Background6.Opacity(0.7f),
colourProvider.Background6.Opacity(0.5f)),
RelativeSizeAxes = Axes.Both,
Height = 0,
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}.WithEffect(new BlurEffect
{
PadExtent = true,
Sigma = new Vector2(20),
}).With(postEffectDrawable =>
{
postEffectDrawable.Scale = new Vector2(1.5f, 1);
postEffectDrawable.Position += new Vector2(70, -50);
postEffectDrawable.AutoSizeAxes = Axes.None;
postEffectDrawable.RelativeSizeAxes = Axes.X;
})),
toastFlow = new FillFlowContainer<Notification>
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{
LayoutDuration = 150,
LayoutEasing = Easing.OutQuart,
RelativeSizeAxes = Axes.X,
AutoSizeAxes = Axes.Y,
},
};
}
public void MarkAllRead() => Notifications.ForEach(n => n.Read = true);
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public void FlushAllToasts()
{
foreach (var notification in toastFlow.ToArray())
forwardNotification(notification);
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}
public void Post(Notification notification)
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{
++runningDepth;
notification.ForwardToOverlay = () => forwardNotification(notification);
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int depth = notification.DisplayOnTop ? -runningDepth : runningDepth;
toastFlow.Insert(depth, notification);
scheduleDismissal();
void scheduleDismissal() => Scheduler.AddDelayed(() =>
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{
// Notification dismissed by user.
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if (notification.WasClosed)
return;
// Notification forwarded away.
if (notification.Parent != toastFlow)
return;
// Notification hovered; delay dismissal.
if (notification.IsHovered || notification.IsDragged)
{
scheduleDismissal();
return;
}
// All looks good, forward away!
forwardNotification(notification);
}, notification.IsImportant ? 12000 : 2500);
}
private void forwardNotification(Notification notification)
{
if (!notification.IsInToastTray)
return;
Debug.Assert(notification.Parent == toastFlow);
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// Temporarily remove from flow so we can animate the position off to the right.
toastFlow.Remove(notification, false);
AddInternal(notification);
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notification.MoveToOffset(new Vector2(400, 0), NotificationOverlay.TRANSITION_LENGTH, Easing.OutQuint);
notification.FadeOut(NotificationOverlay.TRANSITION_LENGTH, Easing.OutQuint).OnComplete(_ =>
{
RemoveInternal(notification, false);
ForwardNotificationToPermanentStore?.Invoke(notification);
notification.FadeIn(300, Easing.OutQuint);
});
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}
protected override void Update()
{
base.Update();
float height = toastFlow.Count > 0 ? toastFlow.DrawHeight + 120 : 0;
float alpha = toastFlow.Count > 0 ? MathHelper.Clamp(toastFlow.DrawHeight / 41, 0, 1) * toastFlow.Children.Max(n => n.Alpha) : 0;
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toastContentBackground.Height = (float)Interpolation.DampContinuously(toastContentBackground.Height, height, 10, Clock.ElapsedFrameTime);
toastContentBackground.Alpha = (float)Interpolation.DampContinuously(toastContentBackground.Alpha, alpha, 10, Clock.ElapsedFrameTime);
}
}
}