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osu-lazer/osu.Game/Overlays/DialogOverlay.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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#nullable disable
using System;
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using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Game.Overlays.Dialog;
using osu.Game.Graphics.Containers;
using osu.Game.Input.Bindings;
using System.Linq;
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using JetBrains.Annotations;
using osu.Framework.Allocation;
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using osu.Framework.Input.Events;
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namespace osu.Game.Overlays
{
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public partial class DialogOverlay : OsuFocusedOverlayContainer, IDialogOverlay
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{
private readonly Container dialogContainer;
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protected override string PopInSampleName => "UI/dialog-pop-in";
protected override string PopOutSampleName => "UI/dialog-pop-out";
[Resolved]
private MusicController musicController { get; set; }
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public PopupDialog CurrentDialog { get; private set; }
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public override bool IsPresent => Scheduler.HasPendingTasks
|| dialogContainer.Children.Count > 0;
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[CanBeNull]
private IDisposable duckOperation;
public DialogOverlay()
{
AutoSizeAxes = Axes.Y;
Child = dialogContainer = new Container
{
RelativeSizeAxes = Axes.X,
AutoSizeAxes = Axes.Y,
};
Width = 500;
Anchor = Anchor.Centre;
Origin = Anchor.Centre;
}
protected override void Dispose(bool isDisposing)
{
base.Dispose(isDisposing);
duckOperation?.Dispose();
}
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public void Push(PopupDialog dialog)
{
if (dialog == CurrentDialog || dialog.State.Value == Visibility.Hidden) return;
// Immediately update the externally accessible property as this may be used for checks even before
// a DialogOverlay instance has finished loading.
var lastDialog = CurrentDialog;
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CurrentDialog = dialog;
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Schedule(() =>
{
// if any existing dialog is being displayed, dismiss it before showing a new one.
lastDialog?.Hide();
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// if the new dialog is hidden before added to the dialogContainer, bypass any further operations.
if (dialog.State.Value == Visibility.Hidden)
{
dismiss();
return;
}
dialogContainer.Add(dialog);
Show();
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dialog.State.BindValueChanged(state =>
{
if (state.NewValue != Visibility.Hidden) return;
// Trigger the demise of the dialog as soon as it hides.
dialog.Delay(PopupDialog.EXIT_DURATION).Expire();
dismiss();
});
});
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void dismiss()
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{
if (dialog != CurrentDialog) return;
// Handle the case where the dialog is the currently displayed dialog.
// In this scenario, the overlay itself should also be hidden.
Hide();
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CurrentDialog = null;
}
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}
protected override bool BlockNonPositionalInput => true;
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protected override void PopIn()
{
duckOperation = musicController?.Duck(new DuckParameters
{
DuckVolumeTo = 1,
DuckDuration = 100,
RestoreDuration = 100,
});
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}
protected override void PopOut()
{
base.PopOut();
duckOperation?.Dispose();
// PopOut gets called initially, but we only want to hide dialog when we have been loaded and are present.
if (IsLoaded && CurrentDialog?.State.Value == Visibility.Visible)
CurrentDialog.Hide();
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}
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public override bool OnPressed(KeyBindingPressEvent<GlobalAction> e)
{
if (e.Repeat)
return false;
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switch (e.Action)
{
case GlobalAction.Select:
var clickableButton =
CurrentDialog?.Buttons.OfType<PopupDialogOkButton>().FirstOrDefault() ??
CurrentDialog?.Buttons.First();
clickableButton?.TriggerClick();
return true;
}
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return base.OnPressed(e);
}
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}
}