osu/osu.Game/Overlays/Comments/CommentsContainer.cs

200 lines
7.1 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.Graphics.Containers;
using osu.Game.Online.API;
using osu.Game.Online.API.Requests;
using osu.Framework.Graphics;
using osu.Framework.Bindables;
using osu.Framework.Graphics.Shapes;
using osu.Game.Graphics;
using osu.Game.Online.API.Requests.Responses;
using System.Threading;
using System.Linq;
using osu.Framework.Extensions.IEnumerableExtensions;
namespace osu.Game.Overlays.Comments
{
public class CommentsContainer : CompositeDrawable
{
private readonly CommentableType type;
private readonly long id;
public readonly Bindable<CommentsSortCriteria> Sort = new Bindable<CommentsSortCriteria>();
public readonly BindableBool ShowDeleted = new BindableBool();
[Resolved]
private IAPIProvider api { get; set; }
[Resolved]
private OsuColour colours { get; set; }
private GetCommentsRequest request;
private CancellationTokenSource loadCancellation;
private int currentPage;
private readonly Box background;
private readonly FillFlowContainer content;
private readonly DeletedChildrenPlaceholder deletedChildrenPlaceholder;
private readonly CommentsShowMoreButton moreButton;
public CommentsContainer(CommentableType type, long id)
{
this.type = type;
this.id = id;
RelativeSizeAxes = Axes.X;
AutoSizeAxes = Axes.Y;
AddRangeInternal(new Drawable[]
{
background = new Box
{
RelativeSizeAxes = Axes.Both,
},
new FillFlowContainer
{
RelativeSizeAxes = Axes.X,
AutoSizeAxes = Axes.Y,
Direction = FillDirection.Vertical,
Children = new Drawable[]
{
new CommentsHeader
{
Sort = { BindTarget = Sort },
ShowDeleted = { BindTarget = ShowDeleted }
},
content = new FillFlowContainer
{
RelativeSizeAxes = Axes.X,
AutoSizeAxes = Axes.Y,
Direction = FillDirection.Vertical,
},
new Container
{
RelativeSizeAxes = Axes.X,
AutoSizeAxes = Axes.Y,
Children = new Drawable[]
{
new Box
{
RelativeSizeAxes = Axes.Both,
Colour = OsuColour.Gray(0.2f)
},
new FillFlowContainer
{
RelativeSizeAxes = Axes.X,
AutoSizeAxes = Axes.Y,
Direction = FillDirection.Vertical,
Children = new Drawable[]
{
deletedChildrenPlaceholder = new DeletedChildrenPlaceholder
{
ShowDeleted = { BindTarget = ShowDeleted }
},
new Container
{
AutoSizeAxes = Axes.Y,
RelativeSizeAxes = Axes.X,
Child = moreButton = new CommentsShowMoreButton
{
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
Margin = new MarginPadding(5),
Action = getComments
}
}
}
}
}
}
}
}
});
}
[BackgroundDependencyLoader]
private void load()
{
background.Colour = colours.Gray2;
}
protected override void LoadComplete()
{
Sort.BindValueChanged(onSortChanged, true);
base.LoadComplete();
}
private void onSortChanged(ValueChangedEvent<CommentsSortCriteria> sort)
{
clearComments();
getComments();
}
private void getComments()
{
request?.Cancel();
loadCancellation?.Cancel();
request = new GetCommentsRequest(type, id, Sort.Value, currentPage++);
request.Success += onSuccess;
api.Queue(request);
}
private void clearComments()
{
currentPage = 1;
deletedChildrenPlaceholder.DeletedCount.Value = 0;
moreButton.IsLoading = true;
content.Clear();
}
private void onSuccess(CommentBundle response)
{
loadCancellation = new CancellationTokenSource();
FillFlowContainer page = new FillFlowContainer
{
RelativeSizeAxes = Axes.X,
AutoSizeAxes = Axes.Y,
Direction = FillDirection.Vertical,
};
foreach (var c in response.Comments)
{
if (c.IsTopLevel)
{
page.Add(new DrawableComment(c)
{
ShowDeleted = { BindTarget = ShowDeleted }
});
}
}
LoadComponentAsync(page, loaded =>
{
content.Add(loaded);
deletedChildrenPlaceholder.DeletedCount.Value += response.Comments.Count(c => c.IsDeleted && c.IsTopLevel);
if (response.HasMore)
{
int loadedTopLevelComments = 0;
content.Children.OfType<FillFlowContainer>().ForEach(p => loadedTopLevelComments += p.Children.OfType<DrawableComment>().Count());
moreButton.Current.Value = response.TopLevelCount - loadedTopLevelComments;
moreButton.IsLoading = false;
}
moreButton.FadeTo(response.HasMore ? 1 : 0);
}, loadCancellation.Token);
}
protected override void Dispose(bool isDisposing)
{
request?.Cancel();
loadCancellation?.Cancel();
base.Dispose(isDisposing);
}
}
}