private void UpdateTo()
{
if (host == null)
{
return;
}
propset.StopAnimation("offsetx");
propset.StopAnimation("offsety");
ExpressionAnimation an = null;
switch (To)
{
case FlipTransitionMode.Left:
an = host.Compositor.CreateExpressionAnimation("-host.Size.X");
an.SetReferenceParameter("host", host);
propset.StartAnimation("offsetx", an);
propset.InsertScalar("offsety", 0f);
propset.InsertScalar("degress", 90f);
propset.InsertVector3("axis", Vector3.UnitY);
break;
case FlipTransitionMode.Top:
an = host.Compositor.CreateExpressionAnimation("-host.Size.Y");
an.SetReferenceParameter("host", host);
propset.InsertScalar("offsetx", 0f);
propset.StartAnimation("offsety", an);
propset.InsertScalar("degress", 90f);
propset.InsertVector3("axis", Vector3.UnitX);
break;
case FlipTransitionMode.Right:
an = host.Compositor.CreateExpressionAnimation("host.Size.X");
an.SetReferenceParameter("host", host);
propset.StartAnimation("offsetx", an);
propset.InsertScalar("offsety", 0f);
propset.InsertScalar("degress", -90f);
propset.InsertVector3("axis", Vector3.UnitY);
break;
case FlipTransitionMode.Bottom:
an = host.Compositor.CreateExpressionAnimation("host.Size.Y");
an.SetReferenceParameter("host", host);
propset.InsertScalar("offsetx", 0f);
propset.StartAnimation("offsety", an);
propset.InsertScalar("degress", -90f);
propset.InsertVector3("axis", Vector3.UnitX);
break;
}
}
/// <summary>
/// Stops spying on the property of the provided object.
/// </summary>
/// <param name="sourceObject"></param>
/// <param name="propertyName"></param>
public static void StopSpyingProperty(CompositionObject sourceObject, string propertyName)
{
if (sourceObject == null || string.IsNullOrWhiteSpace(propertyName))
{
throw new ArgumentException();
}
CompositionPropertySet propertySet = null;
Dictionary <string, ExpressionAnimation> expressionAnimations = null;
ExpressionAnimation expressionAnimation = null;
string propertySetPropertyName = null;
GetExpressionAnimation <CompositionObject>(
sourceObject,
propertyName,
s_objectsDictionary,
out propertySet,
out expressionAnimations,
out expressionAnimation,
out propertySetPropertyName);
if (propertySet != null)
{
propertySet.StopAnimation(propertySetPropertyName);
expressionAnimations.Remove(propertySetPropertyName);
}
}
private static void StopSpyingFacade(UIElement sourceElement, CompositionFacadeType facadeType)
{
if (sourceElement == null)
{
throw new ArgumentException();
}
CompositionPropertySet propertySet = null;
Dictionary <string, ExpressionAnimation> expressionAnimations = null;
ExpressionAnimation expressionAnimation = null;
string propertySetPropertyName = null;
GetExpressionAnimation <UIElement>(
sourceElement,
FacadeTypeToStringName(facadeType),
s_elementsDictionary,
out propertySet,
out expressionAnimations,
out expressionAnimation,
out propertySetPropertyName);
if (propertySet != null)
{
propertySet.StopAnimation(propertySetPropertyName);
expressionAnimations.Remove(propertySetPropertyName);
}
}
public override void OnPointerExit(Vector2 pointerPosition, CompositionImage image)
{
_propertySet.StartAnimation("Translate", _exitAnimation);
_propertySet.StopAnimation("Scale");
}
private static CompositionGetValueStatus TryGetValue <T>(
T source,
Dictionary <T, KeyValuePair <CompositionPropertySet, Dictionary <string, ExpressionAnimation> > > dictionary,
string propertyName,
CompositionPropertyType type,
out object value)
{
value = null;
if (source == null || string.IsNullOrWhiteSpace(propertyName))
{
throw new ArgumentException();
}
CompositionPropertySet propertySet = null;
Dictionary <string, ExpressionAnimation> expressionAnimations = null;
ExpressionAnimation expressionAnimation = null;
string propertySetPropertyName = null;
GetExpressionAnimation <T>(
source,
propertyName,
dictionary,
out propertySet,
out expressionAnimations,
out expressionAnimation,
out propertySetPropertyName);
if (propertySet != null)
{
propertySet.StopAnimation(propertySetPropertyName);
CompositionGetValueStatus status = CompositionGetValueStatus.TypeMismatch;
switch (type)
{
case CompositionPropertyType.Boolean:
bool boolValue;
status = propertySet.TryGetBoolean(propertySetPropertyName, out boolValue);
value = boolValue;
break;
case CompositionPropertyType.Float:
float floatValue;
status = propertySet.TryGetScalar(propertySetPropertyName, out floatValue);
value = floatValue;
break;
case CompositionPropertyType.Vector2:
Vector2 vector2Value;
status = propertySet.TryGetVector2(propertySetPropertyName, out vector2Value);
value = vector2Value;
break;
case CompositionPropertyType.Vector3:
Vector3 vector3Value;
status = propertySet.TryGetVector3(propertySetPropertyName, out vector3Value);
value = vector3Value;
break;
// Insert new case for any property type that is being added.
}
if (expressionAnimation != null)
{
propertySet.StartAnimation(propertySetPropertyName, expressionAnimation);
}
return(status);
}
return(CompositionGetValueStatus.NotFound);
}
/// <summary>
/// Stops any animations on the specified property.
/// </summary>
/// <param name="propertyName">The name of the property whose animations we are stopping.</param>
public void StopAnimation(string propertyName)
{
_propertySet.StopAnimation(propertyName);
}