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105 lines
3.1 KiB
C#
105 lines
3.1 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 osu.Framework.Allocation;
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using osu.Framework.Bindables;
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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.Audio;
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using osu.Game.Beatmaps;
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using osu.Game.Graphics;
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using osu.Game.Graphics.Containers;
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using osu.Game.Overlays.Direct;
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using osuTK;
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using osuTK.Graphics;
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namespace osu.Game.Overlays.BeatmapSet.Buttons
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{
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public class PreviewButton : OsuClickableContainer
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{
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private const float transition_duration = 500;
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private readonly Box bg, progress;
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private readonly PlayButton playButton;
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private PreviewTrack preview => playButton.Preview;
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public Bindable<bool> Playing => playButton.Playing;
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public BeatmapSetInfo BeatmapSet
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{
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get => playButton.BeatmapSet;
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set => playButton.BeatmapSet = value;
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}
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public PreviewButton()
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{
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Height = 42;
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Children = new Drawable[]
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{
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bg = new Box
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{
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RelativeSizeAxes = Axes.Both,
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Colour = Color4.Black.Opacity(0.25f),
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},
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new Container
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{
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Anchor = Anchor.BottomLeft,
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Origin = Anchor.BottomLeft,
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RelativeSizeAxes = Axes.X,
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Height = 3,
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Child = progress = new Box
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{
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RelativeSizeAxes = Axes.Both,
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Width = 0f,
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Alpha = 0f,
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},
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},
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playButton = new PlayButton
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{
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Anchor = Anchor.Centre,
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Origin = Anchor.Centre,
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Size = new Vector2(18),
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},
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};
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Action = () => playButton.Click();
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Playing.ValueChanged += playing => progress.FadeTo(playing.NewValue ? 1 : 0, 100);
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}
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[BackgroundDependencyLoader]
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private void load(OsuColour colours)
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{
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progress.Colour = colours.Yellow;
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}
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protected override void Update()
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{
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base.Update();
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if (Playing.Value && preview != null)
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{
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// prevent negative (potential infinite) width if a track without length was loaded
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progress.Width = preview.Length > 0 ? (float)(preview.CurrentTime / preview.Length) : 0f;
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}
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else
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progress.Width = 0;
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}
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protected override bool OnHover(HoverEvent e)
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{
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bg.FadeColour(Color4.Black.Opacity(0.5f), 100);
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return base.OnHover(e);
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}
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protected override void OnHoverLost(HoverLostEvent e)
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{
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bg.FadeColour(Color4.Black.Opacity(0.25f), 100);
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base.OnHoverLost(e);
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}
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}
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}
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