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Code Issues Releases Wiki Activity

Refactor disallowing in SkinProvidingContainer to become per source

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Fixes `FindProvider` becoming completely broken, because of no way to perform the checks on one skin source.
This commit is contained in:
Salman Ahmed 2021-06-11 12:29:28 +03:00
parent 2e01e61177
commit 9e16359f18
1 changed files with 96 additions and 92 deletions
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188
osu.Game/Skinning/SkinProvidingContainer.cs
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@ -2,6 +2,7 @@
// See the LICENCE file in the repository root for full licence text.
using System;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.Linq;
using JetBrains.Annotations;
@ -28,11 +29,15 @@ namespace osu.Game.Skinning
/// </summary>
protected readonly BindableList<ISkin> SkinSources = new BindableList<ISkin>();
/// <summary>
/// A dictionary mapping each <see cref="ISkin"/> from the <see cref="SkinSources"/>
/// to one that performs the "allow lookup" checks before proceeding with a lookup.
/// </summary>
private readonly Dictionary<ISkin, DisableableSkinSource> disableableSkinSources = new Dictionary<ISkin, DisableableSkinSource>();
[CanBeNull]
private ISkinSource fallbackSource;
private readonly NoFallbackProxy noFallbackLookupProxy;
protected virtual bool AllowDrawableLookup(ISkinComponent component) => true;
protected virtual bool AllowTextureLookup(string componentName) => true;
@ -60,31 +65,49 @@ namespace osu.Game.Skinning
{
RelativeSizeAxes = Axes.Both;
noFallbackLookupProxy = new NoFallbackProxy(this);
SkinSources.BindCollectionChanged(((_, args) =>
{
switch (args.Action)
{
case NotifyCollectionChangedAction.Add:
foreach (var source in args.NewItems.Cast<ISkin>().OfType<ISkinSource>())
source.SourceChanged += OnSourceChanged;
foreach (var skin in args.NewItems.Cast<ISkin>())
{
disableableSkinSources.Add(skin, new DisableableSkinSource(skin, this));
if (skin is ISkinSource source)
source.SourceChanged += OnSourceChanged;
}
break;
case NotifyCollectionChangedAction.Reset:
case NotifyCollectionChangedAction.Remove:
foreach (var source in args.OldItems.Cast<ISkin>().OfType<ISkinSource>())
source.SourceChanged -= OnSourceChanged;
foreach (var skin in args.OldItems.Cast<ISkin>())
{
disableableSkinSources.Remove(skin);
if (skin is ISkinSource source)
source.SourceChanged -= OnSourceChanged;
}
break;
case NotifyCollectionChangedAction.Replace:
foreach (var source in args.OldItems.Cast<ISkin>().OfType<ISkinSource>())
source.SourceChanged -= OnSourceChanged;
foreach (var skin in args.OldItems.Cast<ISkin>())
{
disableableSkinSources.Remove(skin);
foreach (var source in args.NewItems.Cast<ISkin>().OfType<ISkinSource>())
source.SourceChanged += OnSourceChanged;
if (skin is ISkinSource source)
source.SourceChanged -= OnSourceChanged;
}
foreach (var skin in args.NewItems.Cast<ISkin>())
{
disableableSkinSources.Add(skin, new DisableableSkinSource(skin, this));
if (skin is ISkinSource source)
source.SourceChanged += OnSourceChanged;
}
break;
}
@ -95,8 +118,7 @@ namespace osu.Game.Skinning
{
foreach (var skin in SkinSources)
{
// a proxy must be used here to correctly pass through the "Allow" checks without implicitly falling back to the fallbackSource.
if (lookupFunction(noFallbackLookupProxy))
if (lookupFunction(disableableSkinSources[skin]))
return skin;
}
@ -104,94 +126,50 @@ namespace osu.Game.Skinning
}
public Drawable GetDrawableComponent(ISkinComponent component)
=> GetDrawableComponent(component, true);
public Drawable GetDrawableComponent(ISkinComponent component, bool fallback)
{
if (AllowDrawableLookup(component))
foreach (var skin in SkinSources)
{
foreach (var skin in SkinSources)
{
Drawable sourceDrawable;
if ((sourceDrawable = skin?.GetDrawableComponent(component)) != null)
return sourceDrawable;
}
Drawable sourceDrawable;
if ((sourceDrawable = disableableSkinSources[skin]?.GetDrawableComponent(component)) != null)
return sourceDrawable;
}
if (!fallback)
return null;
return fallbackSource?.GetDrawableComponent(component);
}
public Texture GetTexture(string componentName, WrapMode wrapModeS, WrapMode wrapModeT)
=> GetTexture(componentName, wrapModeS, wrapModeT, true);
public Texture GetTexture(string componentName, WrapMode wrapModeS, WrapMode wrapModeT, bool fallback)
{
if (AllowTextureLookup(componentName))
foreach (var skin in SkinSources)
{
foreach (var skin in SkinSources)
{
Texture sourceTexture;
if ((sourceTexture = skin?.GetTexture(componentName, wrapModeS, wrapModeT)) != null)
return sourceTexture;
}
Texture sourceTexture;
if ((sourceTexture = disableableSkinSources[skin]?.GetTexture(componentName, wrapModeS, wrapModeT)) != null)
return sourceTexture;
}
if (!fallback)
return null;
return fallbackSource?.GetTexture(componentName, wrapModeS, wrapModeT);
}
public ISample GetSample(ISampleInfo sampleInfo)
=> GetSample(sampleInfo, true);
public ISample GetSample(ISampleInfo sampleInfo, bool fallback)
{
if (AllowSampleLookup(sampleInfo))
foreach (var skin in SkinSources)
{
foreach (var skin in SkinSources)
{
ISample sourceSample;
if ((sourceSample = skin?.GetSample(sampleInfo)) != null)
return sourceSample;
}
ISample sourceSample;
if ((sourceSample = disableableSkinSources[skin]?.GetSample(sampleInfo)) != null)
return sourceSample;
}
if (!fallback)
return null;
return fallbackSource?.GetSample(sampleInfo);
}
public IBindable<TValue> GetConfig<TLookup, TValue>(TLookup lookup)
=> GetConfig<TLookup, TValue>(lookup, true);
public IBindable<TValue> GetConfig<TLookup, TValue>(TLookup lookup, bool fallback)
{
if (lookup is GlobalSkinColours || lookup is SkinCustomColourLookup)
return lookupWithFallback<TLookup, TValue>(lookup, AllowColourLookup, fallback);
return lookupWithFallback<TLookup, TValue>(lookup, AllowConfigurationLookup, fallback);
}
private IBindable<TValue> lookupWithFallback<TLookup, TValue>(TLookup lookup, bool canUseSkinLookup, bool canUseFallback)
{
if (canUseSkinLookup)
foreach (var skin in SkinSources)
{
foreach (var skin in SkinSources)
{
IBindable<TValue> bindable;
if ((bindable = skin?.GetConfig<TLookup, TValue>(lookup)) != null)
return bindable;
}
IBindable<TValue> bindable;
if ((bindable = disableableSkinSources[skin]?.GetConfig<TLookup, TValue>(lookup)) != null)
return bindable;
}
if (!canUseFallback)
return null;
return fallbackSource?.GetConfig<TLookup, TValue>(lookup);
}
@ -224,35 +202,61 @@ namespace osu.Game.Skinning
source.SourceChanged -= OnSourceChanged;
}
private class NoFallbackProxy : ISkinSource
private class DisableableSkinSource : ISkin
{
private readonly ISkin skin;
private readonly SkinProvidingContainer provider;
public NoFallbackProxy(SkinProvidingContainer provider)
public DisableableSkinSource(ISkin skin, SkinProvidingContainer provider)
{
this.skin = skin;
this.provider = provider;
}
public Drawable GetDrawableComponent(ISkinComponent component)
=> provider.GetDrawableComponent(component, false);
public Texture GetTexture(string componentName, WrapMode wrapModeS, WrapMode wrapModeT)
=> provider.GetTexture(componentName, wrapModeS, wrapModeT, false);
public ISample GetSample(ISampleInfo sampleInfo)
=> provider.GetSample(sampleInfo, false);
public IBindable<TValue> GetConfig<TLookup, TValue>(TLookup lookup)
=> provider.GetConfig<TLookup, TValue>(lookup, false);
public event Action SourceChanged
{
add => provider.SourceChanged += value;
remove => provider.SourceChanged -= value;
if (provider.AllowDrawableLookup(component))
return skin.GetDrawableComponent(component);
return null;
}
public ISkin FindProvider(Func<ISkin, bool> lookupFunction) =>
provider.FindProvider(lookupFunction);
public Texture GetTexture(string componentName, WrapMode wrapModeS, WrapMode wrapModeT)
{
if (provider.AllowTextureLookup(componentName))
return skin.GetTexture(componentName, wrapModeS, wrapModeT);
return null;
}
public ISample GetSample(ISampleInfo sampleInfo)
{
if (provider.AllowSampleLookup(sampleInfo))
return skin.GetSample(sampleInfo);
return null;
}
public IBindable<TValue> GetConfig<TLookup, TValue>(TLookup lookup)
{
switch (lookup)
{
case GlobalSkinColours _:
case SkinCustomColourLookup _:
if (provider.AllowColourLookup)
return skin.GetConfig<TLookup, TValue>(lookup);
break;
default:
if (provider.AllowConfigurationLookup)
return skin.GetConfig<TLookup, TValue>(lookup);
break;
}
return null;
}
}
}
}