osu/osu.Game/Overlays/NotificationOverlay.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.
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using System.Linq;
using osu.Framework.Extensions.IEnumerableExtensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Game.Overlays.Notifications;
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using osuTK.Graphics;
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using osu.Framework.Graphics.Shapes;
using osu.Game.Graphics.Containers;
using System;
using osu.Framework.Allocation;
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using osu.Framework.Bindables;
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using osu.Framework.Threading;
namespace osu.Game.Overlays
{
public class NotificationOverlay : OsuFocusedOverlayContainer
{
private const float width = 320;
public const float TRANSITION_LENGTH = 600;
private FlowContainer<NotificationSection> sections;
/// <summary>
/// Provide a source for the toolbar height.
/// </summary>
public Func<float> GetToolbarHeight;
[BackgroundDependencyLoader]
private void load()
{
Width = width;
RelativeSizeAxes = Axes.Y;
AlwaysPresent = true;
Children = new Drawable[]
{
new Box
{
RelativeSizeAxes = Axes.Both,
Colour = Color4.Black,
Alpha = 0.6f
},
new OsuScrollContainer
{
Masking = true,
RelativeSizeAxes = Axes.Both,
Children = new[]
{
sections = new FillFlowContainer<NotificationSection>
{
Direction = FillDirection.Vertical,
AutoSizeAxes = Axes.Y,
RelativeSizeAxes = Axes.X,
Children = new[]
{
new NotificationSection
{
Title = @"Notifications",
ClearText = @"Clear All",
AcceptTypes = new[] { typeof(SimpleNotification) }
},
new NotificationSection
{
Title = @"Running Tasks",
ClearText = @"Cancel All",
AcceptTypes = new[] { typeof(ProgressNotification) }
}
}
}
}
}
};
}
private ScheduledDelegate notificationsEnabler;
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private void updateProcessingMode()
{
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bool enabled = OverlayActivationMode.Value == OverlayActivation.All || State == Visibility.Visible;
notificationsEnabler?.Cancel();
if (enabled)
// we want a slight delay before toggling notifications on to avoid the user becoming overwhelmed.
notificationsEnabler = Scheduler.AddDelayed(() => processingPosts = true, State == Visibility.Visible ? 0 : 1000);
else
processingPosts = false;
}
protected override void LoadComplete()
{
base.LoadComplete();
StateChanged += _ => updateProcessingMode();
OverlayActivationMode.BindValueChanged(_ => updateProcessingMode(), true);
}
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private int totalCount => sections.Select(c => c.DisplayedCount).Sum();
private int unreadCount => sections.Select(c => c.UnreadCount).Sum();
public readonly BindableInt UnreadCount = new BindableInt();
private int runningDepth;
private void notificationClosed() => updateCounts();
private readonly Scheduler postScheduler = new Scheduler();
private bool processingPosts = true;
public void Post(Notification notification) => postScheduler.Add(() =>
{
++runningDepth;
notification.Closed += notificationClosed;
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if (notification is IHasCompletionTarget hasCompletionTarget)
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hasCompletionTarget.CompletionTarget = Post;
var ourType = notification.GetType();
var section = sections.Children.FirstOrDefault(s => s.AcceptTypes.Any(accept => accept.IsAssignableFrom(ourType)));
section?.Add(notification, notification.DisplayOnTop ? -runningDepth : runningDepth);
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if (notification.IsImportant)
State = Visibility.Visible;
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updateCounts();
});
protected override void Update()
{
base.Update();
if (processingPosts)
postScheduler.Update();
}
protected override void PopIn()
{
base.PopIn();
this.MoveToX(0, TRANSITION_LENGTH, Easing.OutQuint);
this.FadeTo(1, TRANSITION_LENGTH, Easing.OutQuint);
}
protected override void PopOut()
{
base.PopOut();
markAllRead();
this.MoveToX(width, TRANSITION_LENGTH, Easing.OutQuint);
this.FadeTo(0, TRANSITION_LENGTH, Easing.OutQuint);
}
private void updateCounts()
{
UnreadCount.Value = unreadCount;
}
private void markAllRead()
{
sections.Children.ForEach(s => s.MarkAllRead());
updateCounts();
}
protected override void UpdateAfterChildren()
{
base.UpdateAfterChildren();
Padding = new MarginPadding { Top = GetToolbarHeight?.Invoke() ?? 0 };
}
}
}