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177 lines
5.8 KiB
C#
177 lines
5.8 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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using System;
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using osu.Framework.Allocation;
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using osu.Framework.Extensions.Color4Extensions;
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using osu.Framework.Graphics;
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using osu.Framework.Graphics.Containers;
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using osu.Framework.Graphics.Shapes;
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using osu.Framework.Input.Events;
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using osu.Game.Graphics.Containers;
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using osu.Game.Graphics.UserInterface;
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using osu.Game.Screens.Footer;
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namespace osu.Game.Overlays.Mods
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{
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/// <summary>
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/// A sheared overlay which provides a header and basic animations.
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/// Exposes <see cref="TopLevelContent"/> and <see cref="MainAreaContent"/> as valid targets for content.
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/// </summary>
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public abstract partial class ShearedOverlayContainer : OsuFocusedOverlayContainer
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{
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public const float PADDING = 14;
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[Cached]
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public readonly OverlayColourProvider ColourProvider;
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/// <summary>
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/// The overlay's header.
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/// </summary>
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protected ShearedOverlayHeader Header { get; private set; } = null!;
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/// <summary>
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/// The overlay's footer.
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/// </summary>
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protected Container Footer { get; private set; } = null!;
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[Resolved]
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private ScreenFooter? footer { get; set; }
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/// <summary>
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/// A container containing all content, including the header and footer.
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/// May be used for overlay-wide animations.
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/// </summary>
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protected Container TopLevelContent { get; private set; } = null!;
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/// <summary>
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/// A container for content that is to be displayed between the header and footer.
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/// </summary>
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protected Container MainAreaContent { get; private set; } = null!;
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/// <summary>
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/// A container for content that is to be displayed inside the footer.
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/// </summary>
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protected Container FooterContent { get; private set; } = null!;
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protected override bool StartHidden => true;
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protected override bool BlockNonPositionalInput => true;
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// ShearedOverlayContainers are placed at a layer within the screen container as they rely on ScreenFooter which must be placed there.
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// Therefore, dimming must be managed locally, since DimMainContent dims the entire screen layer.
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protected sealed override bool DimMainContent => false;
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protected ShearedOverlayContainer(OverlayColourScheme colourScheme)
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{
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RelativeSizeAxes = Axes.Both;
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ColourProvider = new OverlayColourProvider(colourScheme);
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}
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[BackgroundDependencyLoader]
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private void load()
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{
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Child = TopLevelContent = new Container
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{
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RelativeSizeAxes = Axes.Both,
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Children = new Drawable[]
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{
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new Box
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{
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RelativeSizeAxes = Axes.Both,
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Colour = ColourProvider.Background6.Opacity(0.75f),
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},
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Header = new ShearedOverlayHeader
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{
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Anchor = Anchor.TopCentre,
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Depth = float.MinValue,
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Origin = Anchor.TopCentre,
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Close = Hide
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},
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MainAreaContent = new Container
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{
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RelativeSizeAxes = Axes.Both,
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Padding = new MarginPadding
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{
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Top = ShearedOverlayHeader.HEIGHT,
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Bottom = ScreenFooter.HEIGHT + PADDING,
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}
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},
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}
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};
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}
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public VisibilityContainer? DisplayedFooterContent { get; private set; }
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/// <summary>
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/// Creates content to be displayed on the game-wide footer.
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/// </summary>
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public virtual VisibilityContainer? CreateFooterContent() => null;
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/// <summary>
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/// Invoked when the back button in the footer is pressed.
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/// </summary>
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/// <returns>Whether the back button should not close the overlay.</returns>
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public virtual bool OnBackButton() => false;
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protected override bool OnClick(ClickEvent e)
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{
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if (State.Value == Visibility.Visible)
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{
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Hide();
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return true;
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}
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return base.OnClick(e);
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}
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private IDisposable? activeOverlayRegistration;
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private bool hideFooterOnPopOut;
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protected override void PopIn()
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{
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const double fade_in_duration = 400;
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this.FadeIn(fade_in_duration, Easing.OutQuint);
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Header.MoveToY(0, fade_in_duration, Easing.OutQuint);
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if (footer != null)
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{
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activeOverlayRegistration = footer.RegisterActiveOverlayContainer(this, out var footerContent);
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DisplayedFooterContent = footerContent;
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if (footer.State.Value == Visibility.Hidden)
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{
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footer.Show();
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hideFooterOnPopOut = true;
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}
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}
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}
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protected override void PopOut()
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{
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const double fade_out_duration = 500;
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base.PopOut();
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this.FadeOut(fade_out_duration, Easing.OutQuint);
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Header.MoveToY(-Header.DrawHeight, fade_out_duration, Easing.OutQuint);
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if (footer != null)
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{
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activeOverlayRegistration?.Dispose();
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activeOverlayRegistration = null;
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DisplayedFooterContent = null;
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if (hideFooterOnPopOut)
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{
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footer.Hide();
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hideFooterOnPopOut = false;
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}
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}
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}
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}
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}
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