/// <summary>Finds the resource dictionaries created from a given source URI. </summary>
/// <param name="uri">The source URI. The method return <see langword="null" /> if no resource dictionaries were created from <paramref name="uri" /> </param>
/// <returns>The resource dictionaries created from <paramref name="uri" />. The method returns <see langword="null" /> if Visual Diagnostics is not enabled, the <see langword="ENABLE_XAML_DIAGNOSTICS_SOURCE_INFO" /> environment variable is not set or is set to <see langword="false" />, or no resource dictionaries were created from <paramref name="uri" />.
/// </returns>
// Token: 0x060017A1 RID: 6049 RVA: 0x000735EC File Offset: 0x000717EC
public static IEnumerable <ResourceDictionary> GetResourceDictionariesForSource(Uri uri)
{
if (!ResourceDictionaryDiagnostics.IsEnabled || ResourceDictionaryDiagnostics._dictionariesFromUri == null)
{
return(ResourceDictionaryDiagnostics.EmptyResourceDictionaries);
}
object dictionariesFromUriLock = ResourceDictionaryDiagnostics._dictionariesFromUriLock;
IEnumerable <ResourceDictionary> result;
lock (dictionariesFromUriLock)
{
List <WeakReference <ResourceDictionary> > list;
if (!ResourceDictionaryDiagnostics._dictionariesFromUri.TryGetValue(uri, out list) || list.Count == 0)
{
result = ResourceDictionaryDiagnostics.EmptyResourceDictionaries;
}
else
{
List <ResourceDictionary> list2 = new List <ResourceDictionary>(list.Count);
List <WeakReference <ResourceDictionary> > list3 = null;
foreach (WeakReference <ResourceDictionary> weakReference in list)
{
ResourceDictionary item;
if (weakReference.TryGetTarget(out item))
{
list2.Add(item);
}
else
{
if (list3 == null)
{
list3 = new List <WeakReference <ResourceDictionary> >();
}
list3.Add(weakReference);
}
}
if (list3 != null)
{
ResourceDictionaryDiagnostics.RemoveEntries(uri, list, list3);
}
result = list2.AsReadOnly();
}
}
return(result);
}
// Token: 0x060017A5 RID: 6053 RVA: 0x00073794 File Offset: 0x00071994
private static void RemoveResourceDictionaryForUriImpl(Uri uri, ResourceDictionary rd)
{
object dictionariesFromUriLock = ResourceDictionaryDiagnostics._dictionariesFromUriLock;
lock (dictionariesFromUriLock)
{
List <WeakReference <ResourceDictionary> > list;
if (ResourceDictionaryDiagnostics._dictionariesFromUri != null && ResourceDictionaryDiagnostics._dictionariesFromUri.TryGetValue(uri, out list))
{
List <WeakReference <ResourceDictionary> > list2 = new List <WeakReference <ResourceDictionary> >();
foreach (WeakReference <ResourceDictionary> weakReference in list)
{
ResourceDictionary resourceDictionary;
if (!weakReference.TryGetTarget(out resourceDictionary) || resourceDictionary == rd)
{
list2.Add(weakReference);
}
}
ResourceDictionaryDiagnostics.RemoveEntries(uri, list, list2);
}
}
}