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osu-lazer/osu.Game/Beatmaps/Drawables/Cards/BeatmapCard.cs
2022-06-03 22:31:35 +09:00

103 lines
3.5 KiB
C#

// 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.
#nullable enable
using System;
using osu.Framework.Allocation;
using osu.Framework.Bindables;
using osu.Framework.Graphics;
using osu.Framework.Input.Events;
using osu.Game.Graphics.Containers;
using osu.Game.Graphics.UserInterface;
using osu.Game.Online;
using osu.Game.Online.API.Requests.Responses;
using osu.Game.Overlays;
namespace osu.Game.Beatmaps.Drawables.Cards
{
public abstract class BeatmapCard : OsuClickableContainer
{
public const float TRANSITION_DURATION = 400;
public const float CORNER_RADIUS = 10;
protected const float WIDTH = 430;
public IBindable<bool> Expanded { get; }
public readonly APIBeatmapSet BeatmapSet;
protected readonly Bindable<BeatmapSetFavouriteState> FavouriteState;
protected abstract Drawable IdleContent { get; }
protected abstract Drawable DownloadInProgressContent { get; }
protected readonly BeatmapDownloadTracker DownloadTracker;
protected BeatmapCard(APIBeatmapSet beatmapSet, bool allowExpansion = true)
: base(HoverSampleSet.Button)
{
Expanded = new BindableBool { Disabled = !allowExpansion };
BeatmapSet = beatmapSet;
FavouriteState = new Bindable<BeatmapSetFavouriteState>(new BeatmapSetFavouriteState(beatmapSet.HasFavourited, beatmapSet.FavouriteCount));
DownloadTracker = new BeatmapDownloadTracker(beatmapSet);
}
[BackgroundDependencyLoader(true)]
private void load(BeatmapSetOverlay? beatmapSetOverlay)
{
Action = () => beatmapSetOverlay?.FetchAndShowBeatmapSet(BeatmapSet.OnlineID);
AddInternal(DownloadTracker);
}
protected override void LoadComplete()
{
base.LoadComplete();
DownloadTracker.State.BindValueChanged(_ => UpdateState());
Expanded.BindValueChanged(_ => UpdateState(), true);
FinishTransforms(true);
}
protected override bool OnHover(HoverEvent e)
{
UpdateState();
return base.OnHover(e);
}
protected override void OnHoverLost(HoverLostEvent e)
{
UpdateState();
base.OnHoverLost(e);
}
protected virtual void UpdateState()
{
bool showProgress = DownloadTracker.State.Value == DownloadState.Downloading || DownloadTracker.State.Value == DownloadState.Importing;
IdleContent.FadeTo(showProgress ? 0 : 1, TRANSITION_DURATION, Easing.OutQuint);
DownloadInProgressContent.FadeTo(showProgress ? 1 : 0, TRANSITION_DURATION, Easing.OutQuint);
}
/// <summary>
/// Creates a beatmap card of the given <paramref name="size"/> for the supplied <paramref name="beatmapSet"/>.
/// </summary>
public static BeatmapCard Create(APIBeatmapSet beatmapSet, BeatmapCardSize size, bool allowExpansion = true)
{
switch (size)
{
case BeatmapCardSize.Normal:
return new BeatmapCardNormal(beatmapSet, allowExpansion);
case BeatmapCardSize.Extra:
return new BeatmapCardExtra(beatmapSet, allowExpansion);
default:
throw new ArgumentOutOfRangeException(nameof(size), size, @"Unsupported card size");
}
}
}
}