private object FindResourceInEnviroment(IServiceProvider serviceProvider,
bool allowDeferredReference,
bool mustReturnDeferredResourceReference)
{
ResourceDictionary dictionaryWithKey = FindTheResourceDictionary(serviceProvider, /* isDeferredContentSearch */ false);
if (dictionaryWithKey != null)
{
object value = dictionaryWithKey.Lookup(ResourceKey, allowDeferredReference, mustReturnDeferredResourceReference, canCacheAsThemeResource: false);
return(value);
}
// Look at app or themes
object val = FindResourceInAppOrSystem(serviceProvider, allowDeferredReference, mustReturnDeferredResourceReference);
if (val == null)
{
val = DependencyProperty.UnsetValue;
}
if (mustReturnDeferredResourceReference)
{
if (!(val is DeferredResourceReference))
{
val = new DeferredResourceReferenceHolder(ResourceKey, val);
}
}
return(val);
}
// Token: 0x06000866 RID: 2150 RVA: 0x0001B70C File Offset: 0x0001990C
internal object FindResourceInDeferredContent(IServiceProvider serviceProvider, bool allowDeferredReference, bool mustReturnDeferredResourceReference)
{
ResourceDictionary resourceDictionary = this.FindTheResourceDictionary(serviceProvider, true);
object obj = DependencyProperty.UnsetValue;
if (resourceDictionary != null)
{
obj = resourceDictionary.Lookup(this.ResourceKey, allowDeferredReference, mustReturnDeferredResourceReference, false);
}
if (mustReturnDeferredResourceReference && obj == DependencyProperty.UnsetValue)
{
obj = new DeferredResourceReferenceHolder(this.ResourceKey, obj);
}
return(obj);
}
internal object FindResourceInDeferredContent(IServiceProvider serviceProvider, bool allowDeferredReference, bool mustReturnDeferredResourceReference)
{
ResourceDictionary dictionaryWithKey = FindTheResourceDictionary(serviceProvider, /* isDeferredContentSearch */ true);
object value = DependencyProperty.UnsetValue;
if (dictionaryWithKey != null)
{
value = dictionaryWithKey.Lookup(ResourceKey, allowDeferredReference, mustReturnDeferredResourceReference, canCacheAsThemeResource: false);
}
if (mustReturnDeferredResourceReference && value == DependencyProperty.UnsetValue)
{
value = new DeferredResourceReferenceHolder(ResourceKey, value);
}
return(value);
}
// Token: 0x06000868 RID: 2152 RVA: 0x0001B78C File Offset: 0x0001998C
private object FindResourceInEnviroment(IServiceProvider serviceProvider, bool allowDeferredReference, bool mustReturnDeferredResourceReference)
{
ResourceDictionary resourceDictionary = this.FindTheResourceDictionary(serviceProvider, false);
if (resourceDictionary != null)
{
return(resourceDictionary.Lookup(this.ResourceKey, allowDeferredReference, mustReturnDeferredResourceReference, false));
}
object obj = this.FindResourceInAppOrSystem(serviceProvider, allowDeferredReference, mustReturnDeferredResourceReference);
if (obj == null)
{
obj = DependencyProperty.UnsetValue;
}
if (mustReturnDeferredResourceReference && !(obj is DeferredResourceReference))
{
obj = new DeferredResourceReferenceHolder(this.ResourceKey, obj);
}
return(obj);
}
private static bool FindCachedResource(object key, ref object resource, bool mustReturnDeferredResourceReference)
{
// reading the cache is lock free
resource = _resourceCache[key];
bool found = (resource != null);
if (resource == _specialNull)
{
// We cached a null, set it to a real null
resource = null;
}
else
{
DispatcherObject dispatcherObject = resource as DispatcherObject;
if (dispatcherObject != null)
{
// The current thread may not have access to this object.
dispatcherObject.VerifyAccess();
}
}
if (found && mustReturnDeferredResourceReference)
{
resource = new DeferredResourceReferenceHolder(key, resource);
}
return found;
}
internal static object FindResourceInternal(object key, bool allowDeferredResourceReference, bool mustReturnDeferredResourceReference)
{
// Ensure that resource changes on this thread can be heard and handled
EnsureResourceChangeListener();
object resource = null;
Type typeKey = null;
ResourceKey resourceKey = null;
bool isTraceEnabled = EventTrace.IsEnabled(EventTrace.Keyword.KeywordXamlBaml | EventTrace.Keyword.KeywordPerf, EventTrace.Level.Verbose);
// System resource keys can only be of type Type or of type ResourceKey
typeKey = key as Type;
resourceKey = (typeKey == null) ? (key as ResourceKey) : null;
if (isTraceEnabled)
{
EventTrace.EventProvider.TraceEvent(EventTrace.Event.WClientResourceFindBegin,
EventTrace.Keyword.KeywordXamlBaml | EventTrace.Keyword.KeywordPerf, EventTrace.Level.Verbose,
(key == null) ? "null" : key.ToString());
}
if ((typeKey == null) && (resourceKey == null))
{
// Not a valid key
if (isTraceEnabled)
{
EventTrace.EventProvider.TraceEvent(EventTrace.Event.WClientResourceFindEnd, EventTrace.Keyword.KeywordXamlBaml | EventTrace.Keyword.KeywordPerf, EventTrace.Level.Verbose);
}
return null;
}
// Check if the value was already cached
if (!FindCachedResource(key, ref resource, mustReturnDeferredResourceReference))
{
// Cache miss, do a lookup
if (isTraceEnabled)
{
EventTrace.EventProvider.TraceEvent(EventTrace.Event.WClientResourceCacheMiss, EventTrace.Keyword.KeywordXamlBaml | EventTrace.Keyword.KeywordPerf, EventTrace.Level.Verbose);
}
lock (ThemeDictionaryLock)
{
bool canCache = true;
SystemResourceKey sysKey = (resourceKey != null) ? resourceKey as SystemResourceKey : null;
if (sysKey != null)
{
// Check the list of system metrics
if (!mustReturnDeferredResourceReference)
{
resource = sysKey.Resource;
}
else
{
resource = new DeferredResourceReferenceHolder(sysKey, sysKey.Resource);
}
if (isTraceEnabled)
{
EventTrace.EventProvider.TraceEvent(EventTrace.Event.WClientResourceStock, EventTrace.Keyword.KeywordXamlBaml | EventTrace.Keyword.KeywordPerf, EventTrace.Level.Verbose, sysKey.ToString());
}
}
else
{
// Do a dictionary lookup
resource = FindDictionaryResource(key, typeKey, resourceKey, isTraceEnabled, allowDeferredResourceReference, mustReturnDeferredResourceReference, out canCache);
}
if ((canCache && !allowDeferredResourceReference) || resource == null)
{
// Cache the resource
CacheResource(key, resource, isTraceEnabled);
}
}
}
if (isTraceEnabled)
{
EventTrace.EventProvider.TraceEvent(EventTrace.Event.WClientResourceFindEnd, EventTrace.Keyword.KeywordXamlBaml | EventTrace.Keyword.KeywordPerf, EventTrace.Level.Verbose);
}
return resource;
}
private object FindResourceInEnviroment(IServiceProvider serviceProvider,
bool allowDeferredReference,
bool mustReturnDeferredResourceReference)
{
ResourceDictionary dictionaryWithKey = FindTheResourceDictionary(serviceProvider, /* isDeferredContentSearch */ false);
if (dictionaryWithKey != null)
{
object value = dictionaryWithKey.Lookup(ResourceKey, allowDeferredReference, mustReturnDeferredResourceReference, canCacheAsThemeResource:false);
return value;
}
// Look at app or themes
object val = FindResourceInAppOrSystem(serviceProvider, allowDeferredReference, mustReturnDeferredResourceReference);
if (val == null)
{
val = DependencyProperty.UnsetValue;
}
if (mustReturnDeferredResourceReference)
{
if (!(val is DeferredResourceReference))
{
val = new DeferredResourceReferenceHolder(ResourceKey, val);
}
}
return val;
}
internal object FindResourceInDeferredContent(IServiceProvider serviceProvider, bool allowDeferredReference, bool mustReturnDeferredResourceReference)
{
ResourceDictionary dictionaryWithKey = FindTheResourceDictionary(serviceProvider, /* isDeferredContentSearch */ true);
object value = DependencyProperty.UnsetValue;
if (dictionaryWithKey != null)
{
value = dictionaryWithKey.Lookup(ResourceKey, allowDeferredReference, mustReturnDeferredResourceReference, canCacheAsThemeResource:false);
}
if (mustReturnDeferredResourceReference && value == DependencyProperty.UnsetValue)
{
value = new DeferredResourceReferenceHolder(ResourceKey, value);
}
return value;
}
// Given a key, find object in the parser stack that may hold a
// ResourceDictionary and search for an object keyed by that key.
internal object FindResourceInParentChain(
object resourceNameObject,
bool allowDeferredResourceReference,
bool mustReturnDeferredResourceReference)
{
// Try the parser stack first.
object resource = FindResourceInParserStack(resourceNameObject, allowDeferredResourceReference, mustReturnDeferredResourceReference);
if (resource == DependencyProperty.UnsetValue)
{
// If we get to here, we've either walked off the top of the reader stack, or haven't
// found a value on an element that is in the tree. In that case, give the RootElement
// and the parent held in the parser context one last try. This would occur if the
// parser is used for literal content that did not contain a DependencyObject tree.
resource = FindResourceInRootOrAppOrTheme(resourceNameObject, allowDeferredResourceReference, mustReturnDeferredResourceReference);
}
if (resource == DependencyProperty.UnsetValue && mustReturnDeferredResourceReference)
{
resource = new DeferredResourceReferenceHolder(resourceNameObject, DependencyProperty.UnsetValue);
}
return resource;
}
