// Token: 0x06000309 RID: 777 RVA: 0x000086E3 File Offset: 0x000068E3
internal static void BroadcastLoadedSynchronously(DependencyObject rootDO, bool isLoaded)
{
if (!isLoaded)
{
BroadcastEventHelper.BroadcastEvent(rootDO, FrameworkElement.LoadedEvent);
}
}
///<summary>
/// Broadcast Unloaded event starting at this node
/// </summary>
internal void FireUnloadedOnDescendentsInternal()
{
// This is to prevent duplicate Broadcasts for the Unloaded event
if (UnloadedPending == null)
{
DependencyObject parent = Parent;
// Check if this Unloaded cancels against a previously queued Loaded event
// Note that if the Loaded and the Unloaded do not change the position of
// the node within the loagical tree they are considered to cancel each other out.
object[] loadedPending = LoadedPending;
if (loadedPending == null)
{
// Add a callback to the MediaContext which will be called
// before the first render after this point
BroadcastEventHelper.AddUnloadedCallback(this, parent);
}
else
{
// Dequeue Loaded
BroadcastEventHelper.RemoveLoadedCallback(this, loadedPending);
}
}
}
// Token: 0x0600031A RID: 794 RVA: 0x00008CE3 File Offset: 0x00006EE3
private static void UpdateIsLoadedCache(FrameworkContentElement fce, DependencyObject parent)
{
if (fce.GetValue(FrameworkElement.LoadedPendingProperty) == null)
{
fce.IsLoadedCache = BroadcastEventHelper.IsLoadedHelper(parent);
return;
}
fce.IsLoadedCache = false;
}
internal static void BroadcastLoadedSynchronously(DependencyObject rootDO, bool isLoaded)
{
// It is possible that the loaded broadcast for a parent caused you to be loaded before
// your broadcast item got dequeued. In that case simply ignore the operation
if (!isLoaded)
{
// Broadcast the Loaded event
BroadcastEventHelper.BroadcastEvent(rootDO, FrameworkElement.LoadedEvent);
}
}
// Token: 0x06000C1D RID: 3101 RVA: 0x0002D2C4 File Offset: 0x0002B4C4
internal void RegisterNameInternal(string name, object scopedElement)
{
FrameworkElement frameworkElement;
FrameworkContentElement frameworkContentElement;
Helper.DowncastToFEorFCE(scopedElement as DependencyObject, out frameworkElement, out frameworkContentElement, false);
if (this._templatedParent == null)
{
if (this._nameMap == null)
{
this._nameMap = new HybridDictionary();
}
this._nameMap[name] = scopedElement;
if (frameworkElement != null || frameworkContentElement != null)
{
this.SetTemplateParentValues(name, scopedElement);
return;
}
}
else
{
if (frameworkElement == null && frameworkContentElement == null)
{
Hashtable hashtable = TemplateNameScope._templatedNonFeChildrenField.GetValue(this._templatedParent);
if (hashtable == null)
{
hashtable = new Hashtable(1);
TemplateNameScope._templatedNonFeChildrenField.SetValue(this._templatedParent, hashtable);
}
hashtable[name] = scopedElement;
return;
}
this._affectedChildren.Add(scopedElement as DependencyObject);
int num;
if (frameworkElement != null)
{
frameworkElement._templatedParent = this._templatedParent;
frameworkElement.IsTemplatedParentAnFE = this._isTemplatedParentAnFE;
num = (frameworkElement.TemplateChildIndex = (int)this._frameworkTemplate.ChildIndexFromChildName[name]);
}
else
{
frameworkContentElement._templatedParent = this._templatedParent;
frameworkContentElement.IsTemplatedParentAnFE = this._isTemplatedParentAnFE;
num = (frameworkContentElement.TemplateChildIndex = (int)this._frameworkTemplate.ChildIndexFromChildName[name]);
}
HybridDictionary templateChildLoadedDictionary = this._frameworkTemplate._TemplateChildLoadedDictionary;
FrameworkTemplate.TemplateChildLoadedFlags templateChildLoadedFlags = templateChildLoadedDictionary[num] as FrameworkTemplate.TemplateChildLoadedFlags;
if (templateChildLoadedFlags != null && (templateChildLoadedFlags.HasLoadedChangedHandler || templateChildLoadedFlags.HasUnloadedChangedHandler))
{
BroadcastEventHelper.AddHasLoadedChangeHandlerFlagInAncestry((frameworkElement != null) ? frameworkElement : frameworkContentElement);
}
StyleHelper.CreateInstanceDataForChild(StyleHelper.TemplateDataField, this._templatedParent, (frameworkElement != null) ? frameworkElement : frameworkContentElement, num, this._frameworkTemplate.HasInstanceValues, ref this._frameworkTemplate.ChildRecordFromChildIndex);
}
}
// Token: 0x06000308 RID: 776 RVA: 0x000086A8 File Offset: 0x000068A8
internal static object BroadcastLoadedEvent(object root)
{
DependencyObject dependencyObject = (DependencyObject)root;
object[] loadedPending = (object[])dependencyObject.GetValue(FrameworkElement.LoadedPendingProperty);
bool isLoaded = BroadcastEventHelper.IsLoadedHelper(dependencyObject);
BroadcastEventHelper.RemoveLoadedCallback(dependencyObject, loadedPending);
BroadcastEventHelper.BroadcastLoadedSynchronously(dependencyObject, isLoaded);
return(null);
}
// handle the Unloaded event from the mentor
void OnMentorUnloaded(object sender, RoutedEventArgs e)
{
FrameworkObject foMentor = new FrameworkObject((DependencyObject)sender);
// stop listening for Unloaded, start listening for Loaded
foMentor.Unloaded -= new RoutedEventHandler(OnMentorUnloaded);
foMentor.Loaded += new RoutedEventHandler(OnMentorLoaded);
// broadcast the Unloaded event to my framework subtree
//FireUnloadedOnDescendentsInternal();
BroadcastEventHelper.BroadcastUnloadedSynchronously(this, IsLoaded);
}
// Token: 0x06000307 RID: 775 RVA: 0x0000867B File Offset: 0x0000687B
internal static void BroadcastLoadedOrUnloadedEvent(DependencyObject d, DependencyObject oldParent, DependencyObject newParent)
{
if (oldParent == null && newParent != null)
{
if (BroadcastEventHelper.IsLoadedHelper(newParent))
{
BroadcastEventHelper.FireLoadedOnDescendentsHelper(d);
return;
}
}
else if (oldParent != null && newParent == null && BroadcastEventHelper.IsLoadedHelper(oldParent))
{
BroadcastEventHelper.FireUnloadedOnDescendentsHelper(d);
}
}
// Token: 0x06000314 RID: 788 RVA: 0x00008A70 File Offset: 0x00006C70
internal static void AddOrRemoveHasLoadedChangeHandlerFlag(DependencyObject d, DependencyObject oldParent, DependencyObject newParent)
{
bool flag = BroadcastEventHelper.SubtreeHasLoadedChangeHandlerHelper(d);
if (flag)
{
if (oldParent == null && newParent != null)
{
BroadcastEventHelper.AddHasLoadedChangeHandlerFlagInAncestry(newParent);
return;
}
if (oldParent != null && newParent == null)
{
BroadcastEventHelper.RemoveHasLoadedChangeHandlerFlagInAncestry(oldParent);
}
}
}
// Token: 0x06000319 RID: 793 RVA: 0x00008CA5 File Offset: 0x00006EA5
private static void UpdateIsLoadedCache(FrameworkElement fe, DependencyObject parent)
{
if (fe.GetValue(FrameworkElement.LoadedPendingProperty) != null)
{
fe.IsLoadedCache = false;
return;
}
if (parent != null)
{
fe.IsLoadedCache = BroadcastEventHelper.IsLoadedHelper(parent);
return;
}
if (SafeSecurityHelper.IsConnectedToPresentationSource(fe))
{
fe.IsLoadedCache = true;
return;
}
fe.IsLoadedCache = false;
}
// Token: 0x06000312 RID: 786 RVA: 0x000089EC File Offset: 0x00006BEC
internal static bool IsParentLoaded(DependencyObject d)
{
FrameworkObject frameworkObject = new FrameworkObject(d);
DependencyObject effectiveParent = frameworkObject.EffectiveParent;
if (effectiveParent != null)
{
return(BroadcastEventHelper.IsLoadedHelper(effectiveParent));
}
Visual visual;
if ((visual = (d as Visual)) != null)
{
return(SafeSecurityHelper.IsConnectedToPresentationSource(visual));
}
Visual3D reference;
if ((reference = (d as Visual3D)) != null)
{
visual = VisualTreeHelper.GetContainingVisual2D(reference);
return(visual != null && SafeSecurityHelper.IsConnectedToPresentationSource(visual));
}
return(false);
}
/// <summary>
/// Invoked when logical parent is changed. This just
/// sets the parent pointer.
/// </summary>
/// <remarks>
/// A parent change is considered catastrohpic and results in a large
/// amount of invalidations and tree traversals. <cref see="DependencyFastBuild"/>
/// is recommended to reduce the work necessary to build a tree
/// </remarks>
/// <param name="newParent">
/// New parent that was set
/// </param>
internal void ChangeLogicalParent(DependencyObject newParent)
{
///////////////////
// OnNewParent:
///////////////////
//
// -- Approved By The Core Team --
//
// Do not allow foreign threads to change the tree.
// (This is a noop if this object is not assigned to a Dispatcher.)
//
// We also need to ensure that the tree is homogenous with respect
// to the dispatchers that the elements belong to.
//
this.VerifyAccess();
if (newParent != null)
{
newParent.VerifyAccess();
}
// Logical Parent must first be dropped before you are attached to a newParent
// This mitigates illegal tree state caused by logical child stealing as illustrated in bug 970706
if (_parent != null && newParent != null && _parent != newParent)
{
throw new System.InvalidOperationException(SR.Get(SRID.HasLogicalParent));
}
// Trivial check to avoid loops
if (newParent == this)
{
throw new System.InvalidOperationException(SR.Get(SRID.CannotBeSelfParent));
}
// Logical Parent implies no InheritanceContext
if (newParent != null)
{
ClearInheritanceContext();
}
IsParentAnFE = newParent is FrameworkElement;
DependencyObject oldParent = _parent;
OnNewParent(newParent);
// Update Has[Loaded/Unloaded]Handler Flags
BroadcastEventHelper.AddOrRemoveHasLoadedChangeHandlerFlag(this, oldParent, newParent);
///////////////////
// OnParentChanged:
///////////////////
// Invalidate relevant properties for this subtree
DependencyObject parent = (newParent != null) ? newParent : oldParent;
TreeWalkHelper.InvalidateOnTreeChange(/* fe = */ this, /* fce = */ null, parent, (newParent != null));
// If no one has called BeginInit then mark the element initialized and fire Initialized event
// (non-parser programmatic tree building scenario)
TryFireInitialized();
}
internal void RegisterNameInternal(string name, object scopedElement)
{
FrameworkElement fe;
FrameworkContentElement fce;
Helper.DowncastToFEorFCE(scopedElement as DependencyObject,
out fe, out fce,
false /*throwIfNeither*/);
int childIndex;
// First, though, do we actually have a templated parent? If not,
// then we'll just set the properties directly on the element
// (this is the serialization scenario).
if (_templatedParent == null)
{
if (_nameMap == null)
{
_nameMap = new HybridDictionary();
}
_nameMap[name] = scopedElement;
// No, we don't have a templated parent. Loop through
// the shared values (assuming this is an FE/FCE), and set them
// directly onto the element.
if (fe != null || fce != null)
{
SetTemplateParentValues(name, scopedElement);
}
}
// We have a templated parent, but is this not a FE/FCE?
else if (fe == null && fce == null)
{
// All we need to do is update the _templatedNonFeChildren list
Hashtable nonFeChildren = _templatedNonFeChildrenField.GetValue(_templatedParent);
if (nonFeChildren == null)
{
nonFeChildren = new Hashtable(1);
_templatedNonFeChildrenField.SetValue(_templatedParent, nonFeChildren);
}
nonFeChildren[name] = scopedElement;
}
// Otherwise, we need to hook this FE/FCE up to the template.
else
{
// Update the list on the templated parent of the named FE/FCEs.
_affectedChildren.Add(scopedElement as DependencyObject);
// Update the TemplatedParent, IsTemplatedParentAnFE, and TemplateChildIndex.
if (fe != null)
{
fe._templatedParent = _templatedParent;
fe.IsTemplatedParentAnFE = _isTemplatedParentAnFE;
childIndex = fe.TemplateChildIndex = (int)_frameworkTemplate.ChildIndexFromChildName[name];
}
else
{
fce._templatedParent = _templatedParent;
fce.IsTemplatedParentAnFE = _isTemplatedParentAnFE;
childIndex = fce.TemplateChildIndex = (int)_frameworkTemplate.ChildIndexFromChildName[name];
}
// Entries into the NameScope MUST match the location in the AffectedChildren list
Debug.Assert(_affectedChildren.Count == childIndex);
// Make updates for the Loaded/Unloaded event listeners (if they're set).
HybridDictionary templateChildLoadedDictionary = _frameworkTemplate._TemplateChildLoadedDictionary;
FrameworkTemplate.TemplateChildLoadedFlags templateChildLoadedFlags
= templateChildLoadedDictionary[childIndex] as FrameworkTemplate.TemplateChildLoadedFlags;
if (templateChildLoadedFlags != null)
{
if (templateChildLoadedFlags.HasLoadedChangedHandler || templateChildLoadedFlags.HasUnloadedChangedHandler)
{
BroadcastEventHelper.AddHasLoadedChangeHandlerFlagInAncestry((fe != null) ? (DependencyObject)fe : (DependencyObject)fce);
}
}
// Establish databinding instance data.
StyleHelper.CreateInstanceDataForChild(
StyleHelper.TemplateDataField,
_templatedParent,
(fe != null) ? (DependencyObject)fe : (DependencyObject)fce,
childIndex,
_frameworkTemplate.HasInstanceValues,
ref _frameworkTemplate.ChildRecordFromChildIndex);
}
}
// Token: 0x06000691 RID: 1681 RVA: 0x00014908 File Offset: 0x00012B08
internal DependencyObject InstantiateTree(UncommonField <HybridDictionary[]> dataField, DependencyObject container, DependencyObject parent, List <DependencyObject> affectedChildren, ref List <DependencyObject> noChildIndexChildren, ref FrugalStructList <ChildPropertyDependent> resourceDependents)
{
EventTrace.EasyTraceEvent(EventTrace.Keyword.KeywordXamlBaml, EventTrace.Level.Verbose, EventTrace.Event.WClientParseFefCrInstBegin);
FrameworkElement frameworkElement = container as FrameworkElement;
bool flag = frameworkElement != null;
DependencyObject dependencyObject = null;
if (this._text != null)
{
IAddChild addChild = parent as IAddChild;
if (addChild == null)
{
throw new InvalidOperationException(SR.Get("TypeMustImplementIAddChild", new object[]
{
parent.GetType().Name
}));
}
addChild.AddText(this._text);
}
else
{
dependencyObject = this.CreateDependencyObject();
EventTrace.EasyTraceEvent(EventTrace.Keyword.KeywordXamlBaml, EventTrace.Level.Verbose, EventTrace.Event.WClientParseFefCrInstEnd);
FrameworkObject frameworkObject = new FrameworkObject(dependencyObject);
Visual3D visual3D = null;
bool flag2 = false;
if (!frameworkObject.IsValid)
{
visual3D = (dependencyObject as Visual3D);
if (visual3D != null)
{
flag2 = true;
}
}
bool isFE = frameworkObject.IsFE;
if (!flag2)
{
FrameworkElementFactory.NewNodeBeginInit(isFE, frameworkObject.FE, frameworkObject.FCE);
if (StyleHelper.HasResourceDependentsForChild(this._childIndex, ref resourceDependents))
{
frameworkObject.HasResourceReference = true;
}
FrameworkElementFactory.UpdateChildChains(this._childName, this._childIndex, isFE, frameworkObject.FE, frameworkObject.FCE, affectedChildren, ref noChildIndexChildren);
FrameworkElementFactory.NewNodeStyledParentProperty(container, flag, isFE, frameworkObject.FE, frameworkObject.FCE);
if (this._childIndex != -1)
{
StyleHelper.CreateInstanceDataForChild(dataField, container, dependencyObject, this._childIndex, this._frameworkTemplate.HasInstanceValues, ref this._frameworkTemplate.ChildRecordFromChildIndex);
}
if (this.HasLoadedChangeHandler)
{
BroadcastEventHelper.AddHasLoadedChangeHandlerFlagInAncestry(dependencyObject);
}
}
else if (this._childName != null)
{
affectedChildren.Add(dependencyObject);
}
else
{
if (noChildIndexChildren == null)
{
noChildIndexChildren = new List <DependencyObject>(4);
}
noChildIndexChildren.Add(dependencyObject);
}
if (container == parent)
{
TemplateNameScope value = new TemplateNameScope(container);
NameScope.SetNameScope(dependencyObject, value);
if (flag)
{
frameworkElement.TemplateChild = frameworkObject.FE;
}
else
{
FrameworkElementFactory.AddNodeToLogicalTree((FrameworkContentElement)parent, this._type, isFE, frameworkObject.FE, frameworkObject.FCE);
}
}
else
{
this.AddNodeToParent(parent, frameworkObject);
}
if (!flag2)
{
StyleHelper.InvalidatePropertiesOnTemplateNode(container, frameworkObject, this._childIndex, ref this._frameworkTemplate.ChildRecordFromChildIndex, false, this);
}
else
{
for (int i = 0; i < this.PropertyValues.Count; i++)
{
if (this.PropertyValues[i].ValueType != PropertyValueType.Set)
{
throw new NotSupportedException(SR.Get("Template3DValueOnly", new object[]
{
this.PropertyValues[i].Property
}));
}
object obj = this.PropertyValues[i].ValueInternal;
Freezable freezable = obj as Freezable;
if (freezable != null && !freezable.CanFreeze)
{
obj = freezable.Clone();
}
MarkupExtension markupExtension = obj as MarkupExtension;
if (markupExtension != null)
{
ProvideValueServiceProvider provideValueServiceProvider = new ProvideValueServiceProvider();
provideValueServiceProvider.SetData(visual3D, this.PropertyValues[i].Property);
obj = markupExtension.ProvideValue(provideValueServiceProvider);
}
visual3D.SetValue(this.PropertyValues[i].Property, obj);
}
}
for (FrameworkElementFactory frameworkElementFactory = this._firstChild; frameworkElementFactory != null; frameworkElementFactory = frameworkElementFactory._nextSibling)
{
frameworkElementFactory.InstantiateTree(dataField, container, dependencyObject, affectedChildren, ref noChildIndexChildren, ref resourceDependents);
}
if (!flag2)
{
FrameworkElementFactory.NewNodeEndInit(isFE, frameworkObject.FE, frameworkObject.FCE);
}
}
return(dependencyObject);
}
// Token: 0x0600030D RID: 781 RVA: 0x000087B8 File Offset: 0x000069B8
private static bool OnBroadcastCallback(DependencyObject d, BroadcastEventHelper.BroadcastEventData data, bool visitedViaVisualTree)
{
DependencyObject root = data.Root;
RoutedEvent routedEvent = data.RoutedEvent;
List <DependencyObject> eventRoute = data.EventRoute;
if (FrameworkElement.DType.IsInstanceOfType(d))
{
FrameworkElement frameworkElement = (FrameworkElement)d;
if (frameworkElement != root && routedEvent == FrameworkElement.LoadedEvent && frameworkElement.UnloadedPending != null)
{
frameworkElement.FireLoadedOnDescendentsInternal();
}
else if (frameworkElement != root && routedEvent == FrameworkElement.UnloadedEvent && frameworkElement.LoadedPending != null)
{
BroadcastEventHelper.RemoveLoadedCallback(frameworkElement, frameworkElement.LoadedPending);
}
else
{
if (frameworkElement != root)
{
if (routedEvent == FrameworkElement.LoadedEvent && frameworkElement.LoadedPending != null)
{
BroadcastEventHelper.RemoveLoadedCallback(frameworkElement, frameworkElement.LoadedPending);
}
else if (routedEvent == FrameworkElement.UnloadedEvent && frameworkElement.UnloadedPending != null)
{
BroadcastEventHelper.RemoveUnloadedCallback(frameworkElement, frameworkElement.UnloadedPending);
}
}
if (frameworkElement.SubtreeHasLoadedChangeHandler)
{
frameworkElement.IsLoadedCache = (routedEvent == FrameworkElement.LoadedEvent);
eventRoute.Add(frameworkElement);
return(true);
}
}
}
else
{
FrameworkContentElement frameworkContentElement = (FrameworkContentElement)d;
if (frameworkContentElement != root && routedEvent == FrameworkElement.LoadedEvent && frameworkContentElement.UnloadedPending != null)
{
frameworkContentElement.FireLoadedOnDescendentsInternal();
}
else if (frameworkContentElement != root && routedEvent == FrameworkElement.UnloadedEvent && frameworkContentElement.LoadedPending != null)
{
BroadcastEventHelper.RemoveLoadedCallback(frameworkContentElement, frameworkContentElement.LoadedPending);
}
else
{
if (frameworkContentElement != root)
{
if (routedEvent == FrameworkElement.LoadedEvent && frameworkContentElement.LoadedPending != null)
{
BroadcastEventHelper.RemoveLoadedCallback(frameworkContentElement, frameworkContentElement.LoadedPending);
}
else if (routedEvent == FrameworkElement.UnloadedEvent && frameworkContentElement.UnloadedPending != null)
{
BroadcastEventHelper.RemoveUnloadedCallback(frameworkContentElement, frameworkContentElement.UnloadedPending);
}
}
if (frameworkContentElement.SubtreeHasLoadedChangeHandler)
{
frameworkContentElement.IsLoadedCache = (routedEvent == FrameworkElement.LoadedEvent);
eventRoute.Add(frameworkContentElement);
return(true);
}
}
}
return(false);
}
// Token: 0x06000318 RID: 792 RVA: 0x00008B80 File Offset: 0x00006D80
private static void UpdateHasLoadedChangeHandlerFlagInAncestry(DependencyObject d, bool addHandler)
{
FrameworkObject frameworkObject = new FrameworkObject(d);
if (!addHandler && BroadcastEventHelper.AreThereLoadedChangeHandlersInSubtree(ref frameworkObject))
{
return;
}
if (frameworkObject.IsValid)
{
if (frameworkObject.SubtreeHasLoadedChangeHandler != addHandler)
{
DependencyObject dependencyObject = frameworkObject.IsFE ? VisualTreeHelper.GetParent(frameworkObject.FE) : null;
DependencyObject parent = frameworkObject.Parent;
DependencyObject dependencyObject2 = null;
frameworkObject.SubtreeHasLoadedChangeHandler = addHandler;
if (dependencyObject != null)
{
BroadcastEventHelper.UpdateHasLoadedChangeHandlerFlagInAncestry(dependencyObject, addHandler);
dependencyObject2 = dependencyObject;
}
if (parent != null && parent != dependencyObject)
{
BroadcastEventHelper.UpdateHasLoadedChangeHandlerFlagInAncestry(parent, addHandler);
if (frameworkObject.IsFCE)
{
dependencyObject2 = parent;
}
}
if (parent == null && dependencyObject == null)
{
dependencyObject2 = Helper.FindMentor(frameworkObject.DO.InheritanceContext);
if (dependencyObject2 != null)
{
frameworkObject.ChangeSubtreeHasLoadedChangedHandler(dependencyObject2);
}
}
if (addHandler)
{
if (frameworkObject.IsFE)
{
BroadcastEventHelper.UpdateIsLoadedCache(frameworkObject.FE, dependencyObject2);
return;
}
BroadcastEventHelper.UpdateIsLoadedCache(frameworkObject.FCE, dependencyObject2);
return;
}
}
}
else
{
DependencyObject dependencyObject3 = null;
Visual reference;
ContentElement reference2;
Visual3D reference3;
if ((reference = (d as Visual)) != null)
{
dependencyObject3 = VisualTreeHelper.GetParent(reference);
}
else if ((reference2 = (d as ContentElement)) != null)
{
dependencyObject3 = ContentOperations.GetParent(reference2);
}
else if ((reference3 = (d as Visual3D)) != null)
{
dependencyObject3 = VisualTreeHelper.GetParent(reference3);
}
if (dependencyObject3 != null)
{
BroadcastEventHelper.UpdateHasLoadedChangeHandlerFlagInAncestry(dependencyObject3, addHandler);
}
}
}
// Token: 0x06000316 RID: 790 RVA: 0x00008AA9 File Offset: 0x00006CA9
internal static void RemoveHasLoadedChangeHandlerFlagInAncestry(DependencyObject d)
{
BroadcastEventHelper.UpdateHasLoadedChangeHandlerFlagInAncestry(d, false);
}
