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165 lines
4.6 KiB
C#
165 lines
4.6 KiB
C#
// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
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// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
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using osu.Framework.Allocation;
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using osu.Framework.Configuration;
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using osu.Framework.Graphics;
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using osu.Framework.Graphics.Containers;
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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.UserInterface;
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using osuTK;
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using osuTK.Graphics;
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namespace osu.Game.Overlays.Direct
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{
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public class PlayButton : Container
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{
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public readonly BindableBool Playing = new BindableBool();
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public PreviewTrack Preview { get; private set; }
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private BeatmapSetInfo beatmapSet;
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public BeatmapSetInfo BeatmapSet
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{
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get { return beatmapSet; }
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set
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{
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if (value == beatmapSet) return;
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beatmapSet = value;
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Preview?.Stop();
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Preview?.Expire();
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Preview = null;
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Playing.Value = false;
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}
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}
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private Color4 hoverColour;
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private readonly SpriteIcon icon;
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private readonly LoadingAnimation loadingAnimation;
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private const float transition_duration = 500;
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private bool loading
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{
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set
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{
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if (value)
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{
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icon.FadeTo(0.5f, transition_duration, Easing.OutQuint);
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loadingAnimation.Show();
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}
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else
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{
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icon.FadeTo(1, transition_duration, Easing.OutQuint);
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loadingAnimation.Hide();
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}
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}
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}
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public PlayButton(BeatmapSetInfo setInfo = null)
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{
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BeatmapSet = setInfo;
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AddRange(new Drawable[]
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{
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icon = new SpriteIcon
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{
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Anchor = Anchor.Centre,
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Origin = Anchor.Centre,
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FillMode = FillMode.Fit,
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RelativeSizeAxes = Axes.Both,
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Icon = FontAwesome.fa_play,
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},
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loadingAnimation = new LoadingAnimation
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{
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Size = new Vector2(15),
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},
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});
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Playing.ValueChanged += playingStateChanged;
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}
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private PreviewTrackManager previewTrackManager;
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[BackgroundDependencyLoader]
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private void load(OsuColour colour, PreviewTrackManager previewTrackManager)
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{
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this.previewTrackManager = previewTrackManager;
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hoverColour = colour.Yellow;
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}
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protected override bool OnClick(ClickEvent e)
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{
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Playing.Toggle();
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return true;
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}
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protected override bool OnHover(HoverEvent e)
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{
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icon.FadeColour(hoverColour, 120, Easing.InOutQuint);
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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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if (!Playing.Value)
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icon.FadeColour(Color4.White, 120, Easing.InOutQuint);
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base.OnHoverLost(e);
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}
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private void playingStateChanged(bool playing)
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{
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icon.Icon = playing ? FontAwesome.fa_stop : FontAwesome.fa_play;
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icon.FadeColour(playing || IsHovered ? hoverColour : Color4.White, 120, Easing.InOutQuint);
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if (playing)
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{
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if (BeatmapSet == null)
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{
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Playing.Value = false;
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return;
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}
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if (Preview != null)
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{
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Preview.Start();
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return;
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}
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loading = true;
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LoadComponentAsync(Preview = previewTrackManager.Get(beatmapSet), preview =>
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{
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// beatmapset may have changed.
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if (Preview != preview)
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return;
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AddInternal(preview);
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loading = false;
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preview.Stopped += () => Playing.Value = false;
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// user may have changed their mind.
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if (Playing)
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preview.Start();
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});
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}
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else
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{
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Preview?.Stop();
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loading = false;
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}
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}
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protected override void Dispose(bool isDisposing)
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{
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base.Dispose(isDisposing);
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Playing.Value = false;
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}
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}
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}
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