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osu-lazer/osu.Game/Overlays/RankingsOverlay.cs
2020-09-03 16:34:58 +09:00

244 lines
7.4 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 osu.Framework.Allocation;
using osu.Framework.Bindables;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Shapes;
using osu.Game.Overlays.Rankings;
using osu.Game.Users;
using osu.Game.Rulesets;
using osu.Game.Online.API;
using System.Threading;
using osu.Game.Graphics.UserInterface;
using osu.Game.Online.API.Requests;
using osu.Game.Overlays.Rankings.Tables;
namespace osu.Game.Overlays
{
public class RankingsOverlay : FullscreenOverlay<RankingsOverlayHeader>
{
protected Bindable<Country> Country => Header.Country;
protected Bindable<RankingsScope> Scope => Header.Current;
private readonly OverlayScrollContainer scrollFlow;
private readonly Container contentContainer;
private readonly LoadingLayer loading;
private readonly Box background;
private APIRequest lastRequest;
private CancellationTokenSource cancellationToken;
[Resolved]
private IAPIProvider api { get; set; }
public RankingsOverlay()
: base(OverlayColourScheme.Green, new RankingsOverlayHeader
{
Anchor = Anchor.TopCentre,
Origin = Anchor.TopCentre,
Depth = -float.MaxValue
})
{
Children = new Drawable[]
{
background = new Box
{
RelativeSizeAxes = Axes.Both
},
scrollFlow = new OverlayScrollContainer
{
RelativeSizeAxes = Axes.Both,
ScrollbarVisible = false,
Child = new FillFlowContainer
{
AutoSizeAxes = Axes.Y,
RelativeSizeAxes = Axes.X,
Direction = FillDirection.Vertical,
Children = new Drawable[]
{
Header,
new Container
{
RelativeSizeAxes = Axes.X,
AutoSizeAxes = Axes.Y,
Children = new Drawable[]
{
contentContainer = new Container
{
Anchor = Anchor.TopCentre,
Origin = Anchor.TopCentre,
AutoSizeAxes = Axes.Y,
RelativeSizeAxes = Axes.X,
Margin = new MarginPadding { Bottom = 10 }
},
loading = new LoadingLayer(contentContainer),
}
}
}
}
}
};
}
[BackgroundDependencyLoader]
private void load()
{
background.Colour = ColourProvider.Background5;
}
[Resolved]
private Bindable<RulesetInfo> ruleset { get; set; }
protected override void LoadComplete()
{
base.LoadComplete();
Header.Ruleset.BindTo(ruleset);
Country.BindValueChanged(_ =>
{
// if a country is requested, force performance scope.
if (Country.Value != null)
Scope.Value = RankingsScope.Performance;
Scheduler.AddOnce(loadNewContent);
});
Scope.BindValueChanged(_ =>
{
// country filtering is only valid for performance scope.
if (Scope.Value != RankingsScope.Performance)
Country.Value = null;
Scheduler.AddOnce(loadNewContent);
});
ruleset.BindValueChanged(_ =>
{
if (Scope.Value == RankingsScope.Spotlights)
return;
Scheduler.AddOnce(loadNewContent);
});
Scheduler.AddOnce(loadNewContent);
}
public void ShowCountry(Country requested)
{
if (requested == null)
return;
Show();
Country.Value = requested;
}
public void ShowSpotlights()
{
Scope.Value = RankingsScope.Spotlights;
Show();
}
private void loadNewContent()
{
loading.Show();
cancellationToken?.Cancel();
lastRequest?.Cancel();
if (Scope.Value == RankingsScope.Spotlights)
{
loadContent(new SpotlightsLayout
{
Ruleset = { BindTarget = ruleset }
});
return;
}
var request = createScopedRequest();
lastRequest = request;
if (request == null)
{
loadContent(null);
return;
}
request.Success += () => Schedule(() => loadContent(createTableFromResponse(request)));
request.Failure += _ => Schedule(() => loadContent(null));
api.Queue(request);
}
private APIRequest createScopedRequest()
{
switch (Scope.Value)
{
case RankingsScope.Performance:
return new GetUserRankingsRequest(ruleset.Value, country: Country.Value?.FlagName);
case RankingsScope.Country:
return new GetCountryRankingsRequest(ruleset.Value);
case RankingsScope.Score:
return new GetUserRankingsRequest(ruleset.Value, UserRankingsType.Score);
}
return null;
}
private Drawable createTableFromResponse(APIRequest request)
{
switch (request)
{
case GetUserRankingsRequest userRequest:
switch (userRequest.Type)
{
case UserRankingsType.Performance:
return new PerformanceTable(1, userRequest.Result.Users);
case UserRankingsType.Score:
return new ScoresTable(1, userRequest.Result.Users);
}
return null;
case GetCountryRankingsRequest countryRequest:
return new CountriesTable(1, countryRequest.Result.Countries);
}
return null;
}
private void loadContent(Drawable content)
{
scrollFlow.ScrollToStart();
if (content == null)
{
contentContainer.Clear();
loading.Hide();
return;
}
LoadComponentAsync(content, loaded =>
{
loading.Hide();
contentContainer.Child = loaded;
}, (cancellationToken = new CancellationTokenSource()).Token);
}
protected override void Dispose(bool isDisposing)
{
lastRequest?.Cancel();
cancellationToken?.Cancel();
base.Dispose(isDisposing);
}
}
}