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osu-lazer/osu.Game/Overlays/DialogOverlay.cs

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2018-04-13 17:19:50 +08:00
// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Game.Overlays.Dialog;
using osu.Game.Graphics.Containers;
namespace osu.Game.Overlays
{
public class DialogOverlay : OsuFocusedOverlayContainer
{
private readonly Container dialogContainer;
private PopupDialog currentDialog;
public DialogOverlay()
{
RelativeSizeAxes = Axes.Both;
Child = dialogContainer = new Container
{
RelativeSizeAxes = Axes.Both,
};
Width = 0.4f;
Anchor = Anchor.BottomCentre;
Origin = Anchor.BottomCentre;
}
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public void Push(PopupDialog dialog)
{
if (dialog == currentDialog) return;
currentDialog?.Hide();
currentDialog = dialog;
dialogContainer.Add(currentDialog);
currentDialog.Show();
currentDialog.StateChanged += state => onDialogOnStateChanged(dialog, state);
State = Visibility.Visible;
}
protected override bool PlaySamplesOnStateChange => false;
protected override bool BlockNonPositionalInput => true;
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private void onDialogOnStateChanged(VisibilityContainer dialog, Visibility v)
{
if (v != Visibility.Hidden) return;
//handle the dialog being dismissed.
dialog.Delay(PopupDialog.EXIT_DURATION).Expire();
if (dialog == currentDialog)
State = Visibility.Hidden;
}
protected override void PopIn()
{
base.PopIn();
this.FadeIn(PopupDialog.ENTER_DURATION, Easing.OutQuint);
}
protected override void PopOut()
{
base.PopOut();
if (currentDialog?.State == Visibility.Visible)
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{
currentDialog.Hide();
return;
}
this.FadeOut(PopupDialog.EXIT_DURATION, Easing.InSine);
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}
}
}