public void TestCreateInstanceCore()
{
StubTrigger action = new StubTrigger();
WindowsBase.Freezable freezable = action.GetCreateInstanceCore();
Assert.AreEqual(freezable.GetType(), typeof(StubTrigger), "freezable.GetType() == typeof(StubTrigger)");
}
public void TestCreateInstanceCore()
{
StubAction action = new StubAction();
SysWindows.Freezable freezable = action.GetCreateInstanceCore();
Assert.AreEqual(freezable.GetType(), typeof(StubAction), "freezable.GetType() == typeof(StubAction)");
}
/// <summary>
/// Copies data into a cloned instance.
/// </summary>
/// <param name="source">
/// The original instance to copy data from.
/// </param>
/// <remarks>
/// When a Freezable's "current value" is cloned, WPF will make
/// deep clones of the "current values" of all writable,
/// locally-set properties. This has the effect of resolving
/// expressions to their values. WPF skips read only DPs.
///
/// If you derive from this class and have additional non-DP state
/// that should be transfered to copies, you should override the
/// CopyCommon method.
/// </remarks>
protected sealed override void CloneCurrentValueCore(Freezable source)
{
base.CloneCurrentValueCore(source);
CustomBitmap customBitmapSource = (CustomBitmap)source;
CopyCore(customBitmapSource, /*useCurrentValue*/ true, /*willBeFrozen*/ false);
}
public void FreezableBasicTest()
{
int resourcesChangedCount = 0;
object resourceValue;
Freezable freezable = new Freezable();
freezable.ResourcesChanged += (sender, e) => resourcesChangedCount++;
FrameworkElement element = new FrameworkElement();
element.DataContext = "data-context";
element.Resources = new ResourceDictionary();
element.Resources.Add("key1", "value1");
Assert.AreNotEqual("data-context", freezable.GetValue(FrameworkElement.DataContextProperty));
Assert.IsFalse(freezable.TryGetResource("key1", out resourceValue));
element.SetValue(ValueProperty, freezable);
Assert.AreEqual("data-context", freezable.GetValue(FrameworkElement.DataContextProperty));
Assert.AreEqual(1, resourcesChangedCount);
Assert.IsTrue(freezable.TryGetResource("key1", out resourceValue));
Assert.AreEqual("value1", resourceValue);
element.Resources.Add("key2", "value2");
Assert.AreEqual(2, resourcesChangedCount);
Assert.IsTrue(freezable.TryGetResource("key2", out resourceValue));
Assert.AreEqual("value2", resourceValue);
}
/// <summary/>
protected override void CloneCore(Freezable sourceFreezable) {
base.CloneCore(sourceFreezable);
//TODO: Investigate why the following loop is needed. From the API docs, the Children collection should have cloned itself.
var sourceCollection = ((CompositeEffect)sourceFreezable).Children;
foreach (var child in sourceCollection) {
Children.Add((Effect)child.Clone());
}
}
//------------------------------------------------------
//
// Constructors
//
//------------------------------------------------------
//------------------------------------------------------
//
// Internal Methods
//
//------------------------------------------------------
#region Internal Methods
/// <summary>
/// A null-safe wrapper around Freezable.Clone(). (If a null
/// is encountered it returns null.)
/// </summary>
internal static Freezable Clone(Freezable freezable)
{
if (freezable == null)
{
return null;
}
return freezable.Clone();
}
/// <summary>
/// Semantically equivilent to Freezable.Clone().Freeze() except that
/// GetAsFrozen avoids copying any portions of the Freezable graph
/// which are already frozen.
/// </summary>
public static Freezable GetAsFrozen(Freezable freezable)
{
if (freezable == null)
{
return null;
}
return freezable.GetAsFrozen();
}
/// <summary>
/// Stores a frozen copy of defaultValue
/// </summary>
internal FreezableDefaultValueFactory(Freezable defaultValue)
{
Debug.Assert(defaultValue != null,
"Null can not be made mutable. Do not use FreezableDefaultValueFactory.");
Debug.Assert(defaultValue.CanFreeze,
"The defaultValue prototype must be freezable.");
_defaultValuePrototype = defaultValue.GetAsFrozen();
}
public FreezableProxyCommand(Freezable freezable, string name)
: base(null, name)
{
_freezable = freezable;
var evt = _freezable.GetType().GetEvent("InheritanceContextChanged",
BindingFlags.Instance | BindingFlags.NonPublic);
var addMethod = evt.GetAddMethod(true);
addMethod.Invoke(freezable, new[] {new EventHandler(OnInheritanceContextChanged)});
SetFrameworkElementFromInheritanceContext();
}
/// <summary>
/// If freezable is already frozen, it returns freezable
/// If freezable is not frozen, it returns a copy that is frozen if possible
/// </summary>
internal static Freezable GetAsFrozenIfPossible(Freezable freezable)
{
if (freezable == null)
{
return null;
}
if (freezable.CanFreeze)
{
freezable = freezable.GetAsFrozen();
}
return freezable;
}
public void FreezableCollectionBasicTest()
{
int resources1ChangedCount = 0;
object resourceValue;
Freezable freezable1 = new Freezable();
freezable1.ResourcesChanged += (sender, e) => resources1ChangedCount++;
FreezableCollection<Freezable> freezableCollection = new FreezableCollection<Freezable> { freezable1 };
FrameworkElement element = new FrameworkElement();
element.DataContext = "data-context";
element.Resources = new ResourceDictionary();
element.Resources.Add("key1", "value1");
Assert.IsNull(freezable1.GetValue(FrameworkElement.DataContextProperty));
Assert.IsFalse(freezable1.TryGetResource("key1", out resourceValue));
element.SetValue(ValueProperty, freezableCollection);
Assert.AreEqual("data-context", freezable1.GetValue(FrameworkElement.DataContextProperty));
Assert.AreEqual(2, resources1ChangedCount);
Assert.IsTrue(freezable1.TryGetResource("key1", out resourceValue));
Assert.AreEqual("value1", resourceValue);
Freezable freezable2 = new Freezable();
freezableCollection.Add(freezable2);
Assert.AreEqual("data-context", freezable2.GetValue(FrameworkElement.DataContextProperty));
Assert.IsTrue(freezable2.TryGetResource("key1", out resourceValue));
Assert.AreEqual("value1", resourceValue);
freezableCollection.Clear();
Assert.AreNotEqual("data-context", freezable1.GetValue(FrameworkElement.DataContextProperty));
Assert.AreNotEqual("data-context", freezable2.GetValue(FrameworkElement.DataContextProperty));
Assert.AreEqual(3, resources1ChangedCount);
Assert.IsFalse(freezable1.TryGetResource("key1", out resourceValue));
Assert.IsFalse(freezable2.TryGetResource("key1", out resourceValue));
}
protected override void GetCurrentValueAsFrozenCore(Freezable source)
{
Invariant.Assert(false);
}
protected override void CloneCurrentValueCore(Freezable source)
{
Invariant.Assert(false);
}
/// <summary>
/// Makes the s_instance a clone (deep copy) of the specified <see cref="Freezable"/>
/// using base (non-animated) property values.
/// </summary>
/// <param name="sourceFreezable">
/// The object to clone.
/// </param>
protected sealed override void CloneCore(Freezable sourceFreezable)
{
base.CloneCore(sourceFreezable);
}
protected override void GetCurrentValueAsFrozenCore(Freezable sourceFreezable)
{
WriteableBitmap sourceBitmap = (WriteableBitmap)sourceFreezable;
base.GetCurrentValueAsFrozenCore(sourceFreezable);
CopyCommon(sourceBitmap);
}
protected override void CloneCurrentValueCore(Freezable sourceFreezable)
{
WriteableBitmap sourceBitmap = (WriteableBitmap) sourceFreezable;
base.CloneCurrentValueCore(sourceFreezable);
CopyCommon(sourceBitmap);
}
private static bool DefaultFreezeValueCallback(
DependencyObject d,
DependencyProperty dp,
EntryIndex entryIndex,
PropertyMetadata metadata,
bool isChecking)
{
// The expression check only needs to be done when isChecking is true
// because if we return false here the Freeze() call will fail.
if (isChecking)
{
if (d.HasExpression(entryIndex, dp))
{
if (TraceFreezable.IsEnabled)
{
TraceFreezable.Trace(
TraceEventType.Warning,
TraceFreezable.UnableToFreezeExpression,
d,
dp,
dp.OwnerType);
}
return(false);
}
}
if (!dp.IsValueType)
{
object value =
d.GetValueEntry(
entryIndex,
dp,
metadata,
RequestFlags.FullyResolved).Value;
if (value != null)
{
Freezable valueAsFreezable = value as Freezable;
if (valueAsFreezable != null)
{
if (!valueAsFreezable.Freeze(isChecking))
{
if (TraceFreezable.IsEnabled)
{
TraceFreezable.Trace(
TraceEventType.Warning,
TraceFreezable.UnableToFreezeFreezableSubProperty,
d,
dp,
dp.OwnerType);
}
return(false);
}
}
else // not a Freezable
{
DispatcherObject valueAsDispatcherObject = value as DispatcherObject;
if (valueAsDispatcherObject != null)
{
if (valueAsDispatcherObject.Dispatcher == null)
{
// The property is a free-threaded DispatcherObject; since it's
// already free-threaded it doesn't prevent this Freezable from
// becoming free-threaded too.
// It is up to the creator of this type to ensure that the
// DispatcherObject is actually immutable
}
else
{
// The value of this property derives from DispatcherObject and
// has thread affinity; return false.
if (TraceFreezable.IsEnabled)
{
TraceFreezable.Trace(
TraceEventType.Warning,
TraceFreezable.UnableToFreezeDispatcherObjectWithThreadAffinity,
d,
dp,
dp.OwnerType,
valueAsDispatcherObject);
}
return(false);
}
}
// The property isn't a DispatcherObject. It may be immutable (such as a string)
// or the user may have made it thread-safe. It's up to the creator of the type to
// do the right thing; we return true as an extensibility point.
}
}
}
return(true);
}
/// <summary>
/// Implementation of <see cref="System.Windows.Freezable.GetAsFrozenCore(Freezable)">Freezable.GetAsFrozenCore</see>.
/// </summary>
protected override void GetAsFrozenCore(Freezable source)
{
DecimalAnimationUsingKeyFrames sourceAnimation = (DecimalAnimationUsingKeyFrames) source;
base.GetAsFrozenCore(source);
CopyCommon(sourceAnimation, /* isCurrentValueClone = */ false);
}
protected override void GetCurrentValueAsFrozenCore (Freezable sourceFreezable)
{
throw new NotImplementedException ();
}
protected override void GetCurrentValueAsFrozenCore(Freezable sourceFreezable)
{
base.GetCurrentValueAsFrozenCore(sourceFreezable);
CloneCommon(sourceFreezable);
}
//
// Summary:
// Makes the current instance a frozen clone of the specified System.Windows.Freezable.
// If the object has animated dependency properties, their current animated
// values are copied.
//
// Parameters:
// sourceFreezable:
// The System.Windows.Freezable to copy and freeze.
protected virtual void GetCurrentValueAsFrozenCore(Freezable sourceFreezable)
{
Contract.Requires(sourceFreezable != null);
}
/// <summary>
/// Implementation of <see cref="System.Windows.Freezable.GetCurrentValueAsFrozenCore(Freezable)">Freezable.GetCurrentValueAsFrozenCore</see>.
/// </summary>
protected override void GetCurrentValueAsFrozenCore(Freezable source)
{
CharAnimationUsingKeyFrames sourceAnimation = (CharAnimationUsingKeyFrames) source;
base.GetCurrentValueAsFrozenCore(source);
CopyCommon(sourceAnimation, /* isCurrentValueClone = */ true);
}
//
// Summary:
// Makes the instance a modifiable clone (deep copy) of the specified System.Windows.Freezable
// using current property values.
//
// Parameters:
// sourceFreezable:
// The System.Windows.Freezable to be cloned.
protected virtual void CloneCurrentValueCore(Freezable sourceFreezable)
{
}
// 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);
}
public void AddChangedHandler(Freezable resource)
{
// If _resource already exists, unhook the event handler.
if (_resource != null)
{
RemoveChangedHandler();
}
_resource = resource;
Debug.Assert(!_resource.IsFrozen);
_resource.Changed += new EventHandler(this.InvalidateTargetSubProperty);
}
/// <summary>
/// Implementation of <see cref="System.Windows.Freezable.CloneCurrentValueCore(Freezable)">Freezable.CloneCurrentValueCore</see>.
/// </summary>
protected override void CloneCurrentValueCore(Freezable sourceFreezable)
{
QuaternionAnimationUsingKeyFrames sourceAnimation = (QuaternionAnimationUsingKeyFrames) sourceFreezable;
base.CloneCurrentValueCore(sourceFreezable);
CopyCommon(sourceAnimation, /* isCurrentValueClone = */ true);
}
//
// Summary:
// Makes the instance a frozen clone of the specified System.Windows.Freezable
// using base (non-animated) property values.
//
// Parameters:
// sourceFreezable:
// The instance to copy.
protected virtual void GetAsFrozenCore(Freezable sourceFreezable)
{
}
/// <summary>
/// Implementation of <see cref="System.Windows.Freezable.CloneCore(System.Windows.Freezable)">Freezable.CloneCore</see>.
/// </summary>
protected override void CloneCore(Freezable sourceFreezable)
{
CharAnimationUsingKeyFrames sourceAnimation = (CharAnimationUsingKeyFrames) sourceFreezable;
base.CloneCore(sourceFreezable);
CopyCommon(sourceAnimation, /* isCurrentValueClone = */ false);
}
bool IFreezeFreezables.TryFreeze(string value, Freezable freezable)
{
return _context.TryCacheFreezable(value, freezable);
}
// The creator of a FreezableDefaultValuePromoter should call this method
// so that we can verify that the changed sender is the mutable default
// value we handed out.
internal void SetFreezableDefaultValue(Freezable mutableDefaultValue)
{
_mutableDefaultValue = mutableDefaultValue;
}
/// <summary>
/// Implementation of Freezable.CloneCore()
/// </summary>
protected override void CloneCore(Freezable source)
{
base.CloneCore(source);
StreamGeometry sourceStream = (StreamGeometry) source;
if ((sourceStream._data != null) && (sourceStream._data.Length > 0))
{
_data = new byte[sourceStream._data.Length];
sourceStream._data.CopyTo(_data, 0);
}
}
protected override void CloneCurrentValueCore(Freezable sourceFreezable)
{
base.CloneCurrentValueCore(sourceFreezable);
CloneCommon(sourceFreezable);
}
/// <summary>
/// Implementation of Freezable.GetCurrentValueAsFrozenCore()
/// </summary>
protected override void GetCurrentValueAsFrozenCore(Freezable source)
{
base.GetCurrentValueAsFrozenCore(source);
StreamGeometry sourceStream = (StreamGeometry) source;
if ((sourceStream._data != null) && (sourceStream._data.Length > 0))
{
_data = new byte[sourceStream._data.Length];
sourceStream._data.CopyTo(_data, 0);
}
}
private void CloneCommon(Freezable sourceFreezable)
{
D3DImage source = (D3DImage)sourceFreezable;
_dpiX = source._dpiX;
_dpiY = source._dpiY;
Lock();
// If we've lost the front buffer, _pUserSurface unsafe will be null
SetBackBuffer(D3DResourceType.IDirect3DSurface9, source._pUserSurfaceUnsafe);
Unlock();
}
/// <summary>
/// Implementation of <see cref="System.Windows.Freezable.CloneCurrentValueCore(Freezable)">Freezable.CloneCurrentValueCore</see>.
/// </summary>
/// <param name="sourceFreezable"></param>
protected override void CloneCurrentValueCore(Freezable sourceFreezable)
{
GeneralTransform2DTo3DTo2D transform = (GeneralTransform2DTo3DTo2D)sourceFreezable;
base.CloneCurrentValueCore(sourceFreezable);
CopyCommon(transform);
}
protected override void CloneCurrentValueCore (Freezable sourceFreezable)
{
throw new NotImplementedException ();
}
/// <summary>
/// Implementation of <see cref="System.Windows.Freezable.GetCurrentValueAsFrozenCore(Freezable)">Freezable.GetCurrentValueAsFrozenCore</see>.
/// </summary>
/// <param name="sourceFreezable"></param>
protected override void GetCurrentValueAsFrozenCore(Freezable sourceFreezable)
{
GeneralTransform2DTo3DTo2D transform = (GeneralTransform2DTo3DTo2D)sourceFreezable;
base.GetCurrentValueAsFrozenCore(sourceFreezable);
CopyCommon(transform);
}
