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osu-lazer/osu.Game/Overlays/BeatmapSet/Buttons/FavouriteButton.cs
2019-11-13 12:13:33 +09:00

117 lines
3.7 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.
using System.Diagnostics;
using osu.Framework.Allocation;
using osu.Framework.Bindables;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Cursor;
using osu.Framework.Graphics.Sprites;
using osu.Game.Beatmaps;
using osu.Game.Graphics.UserInterface;
using osu.Game.Online.API;
using osu.Game.Online.API.Requests;
using osu.Game.Overlays.Notifications;
using osu.Game.Users;
using osuTK;
namespace osu.Game.Overlays.BeatmapSet.Buttons
{
public class FavouriteButton : HeaderButton, IHasTooltip
{
public readonly Bindable<BeatmapSetInfo> BeatmapSet = new Bindable<BeatmapSetInfo>();
private readonly BindableBool favourited = new BindableBool();
private PostBeatmapFavouriteRequest request;
private DimmedLoadingLayer loading;
private readonly Bindable<User> localUser = new Bindable<User>();
public string TooltipText
{
get
{
if (!Enabled.Value) return string.Empty;
return (favourited.Value ? "Unfavourite" : "Favourite") + " this beatmapset";
}
}
[BackgroundDependencyLoader(true)]
private void load(IAPIProvider api, NotificationOverlay notifications)
{
SpriteIcon icon;
AddRange(new Drawable[]
{
icon = new SpriteIcon
{
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
Icon = FontAwesome.Regular.Heart,
Size = new Vector2(18),
Shadow = false,
},
loading = new DimmedLoadingLayer(0.8f, 0.5f),
});
Action = () =>
{
if (loading.State.Value == Visibility.Visible)
return;
// guaranteed by disabled state above.
Debug.Assert(BeatmapSet.Value.OnlineBeatmapSetID != null);
loading.Show();
request?.Cancel();
request = new PostBeatmapFavouriteRequest(BeatmapSet.Value.OnlineBeatmapSetID.Value, favourited.Value ? BeatmapFavouriteAction.UnFavourite : BeatmapFavouriteAction.Favourite);
request.Success += () =>
{
favourited.Toggle();
loading.Hide();
};
request.Failure += e =>
{
notifications?.Post(new SimpleNotification
{
Text = e.Message,
Icon = FontAwesome.Solid.Times,
});
loading.Hide();
};
api.Queue(request);
};
favourited.ValueChanged += favourited => icon.Icon = favourited.NewValue ? FontAwesome.Solid.Heart : FontAwesome.Regular.Heart;
localUser.BindTo(api.LocalUser);
localUser.BindValueChanged(_ => updateEnabled());
// must be run after setting the Action to ensure correct enabled state (setting an Action forces a button to be enabled).
BeatmapSet.BindValueChanged(setInfo =>
{
updateEnabled();
favourited.Value = setInfo.NewValue?.OnlineInfo?.HasFavourited ?? false;
}, true);
}
private void updateEnabled() => Enabled.Value = !(localUser.Value is GuestUser) && BeatmapSet.Value?.OnlineBeatmapSetID > 0;
protected override void UpdateAfterChildren()
{
base.UpdateAfterChildren();
Width = DrawHeight;
}
}
}