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Refactor SkinSection to avoid unnecessary realm queries

This commit is contained in:
Dean Herbert 2022-01-26 17:48:11 +09:00
parent 4a51bab9ac
commit d1a2256262

View File

@ -18,6 +18,7 @@ using osu.Game.Graphics.UserInterface;
using osu.Game.Localisation;
using osu.Game.Skinning;
using osu.Game.Skinning.Editor;
using Realms;
namespace osu.Game.Overlays.Settings.Sections
{
@ -51,12 +52,6 @@ namespace osu.Game.Overlays.Settings.Sections
private IDisposable realmSubscription;
private IQueryable<SkinInfo> queryRealmSkins() =>
realm.Realm.All<SkinInfo>()
.Where(s => !s.DeletePending)
.OrderByDescending(s => s.Protected) // protected skins should be at the top.
.ThenBy(s => s.Name, StringComparer.OrdinalIgnoreCase);
[BackgroundDependencyLoader(permitNulls: true)]
private void load(OsuConfigManager config, [CanBeNull] SkinEditorOverlay skinEditor)
{
@ -83,20 +78,21 @@ namespace osu.Game.Overlays.Settings.Sections
skinDropdown.Current = dropdownBindable;
realmSubscription = realm.RegisterForNotifications(r => queryRealmSkins(), (sender, changes, error) =>
{
// The first fire of this is a bit redundant due to the call below,
// but this is safest in case the subscription is restored after a context recycle.
updateItems();
});
updateItems();
realmSubscription = realm.RegisterForNotifications(r => realm.Realm.All<SkinInfo>()
.Where(s => !s.DeletePending)
.OrderByDescending(s => s.Protected) // protected skins should be at the top.
.ThenBy(s => s.Name, StringComparer.OrdinalIgnoreCase), skinsChanged);
configBindable.BindValueChanged(id => Scheduler.AddOnce(updateSelectedSkinFromConfig));
updateSelectedSkinFromConfig();
dropdownBindable.BindValueChanged(skin =>
dropdownBindable.BindValueChanged(dropdownSelectionChanged);
}
private void dropdownSelectionChanged(ValueChangedEvent<Live<SkinInfo>> skin)
{
// Only handle cases where it's clear the user has intent to change skins.
if (skin.OldValue == null) return;
if (skin.NewValue.Equals(random_skin_info))
{
var skinBefore = skins.CurrentSkinInfo.Value;
@ -113,7 +109,23 @@ namespace osu.Game.Overlays.Settings.Sections
}
configBindable.Value = skin.NewValue.ID.ToString();
});
}
private void skinsChanged(IRealmCollection<SkinInfo> skins, ChangeSet changes, Exception error)
{
// This can only mean that realm is recycling, else we would see the protected skins.
// Because we are using `Live<>` in this class, we don't need to worry about this scenario too much.
if (!skins.Any())
return;
int protectedCount = skins.Count(s => s.Protected);
skinItems = skins.ToLive(realm);
skinItems.Insert(protectedCount, random_skin_info);
skinDropdown.Items = skinItems;
updateSelectedSkinFromConfig();
}
private void updateSelectedSkinFromConfig()
@ -126,17 +138,6 @@ namespace osu.Game.Overlays.Settings.Sections
dropdownBindable.Value = skin ?? skinDropdown.Items.First();
}
private void updateItems()
{
int protectedCount = queryRealmSkins().Count(s => s.Protected);
skinItems = queryRealmSkins().ToLive(realm);
skinItems.Insert(protectedCount, random_skin_info);
skinDropdown.Items = skinItems;
}
protected override void Dispose(bool isDisposing)
{
base.Dispose(isDisposing);