public override IDisposable Apply(Animation animation, Animatable control, IClock clock, IObservable <bool> match, Action onComplete)
{
foreach (var keyframe in this)
{
if (keyframe.Value as ISolidColorBrush == null)
{
return(Disposable.Empty);
}
// Preprocess keyframe values to Color if the xaml parser converts them to ISCB.
if (keyframe.Value.GetType() == typeof(ImmutableSolidColorBrush))
{
keyframe.Value = ((ImmutableSolidColorBrush)keyframe.Value).Color;
}
}
// Add SCB if the target prop is empty.
if (control.GetValue(Property) == null)
{
control.SetValue(Property, new SolidColorBrush(Colors.Transparent));
}
var targetVal = control.GetValue(Property);
// Continue if target prop is not empty & is a SolidColorBrush derivative.
if (typeof(ISolidColorBrush).IsAssignableFrom(targetVal.GetType()))
{
if (_colorAnimator == null)
{
InitializeColorAnimator();
}
SolidColorBrush finalTarget;
// If it's ISCB, change it back to SCB.
if (targetVal.GetType() == typeof(ImmutableSolidColorBrush))
{
var col = (ImmutableSolidColorBrush)targetVal;
targetVal = new SolidColorBrush(col.Color);
control.SetValue(Property, targetVal);
}
finalTarget = targetVal as SolidColorBrush;
return(_colorAnimator.Apply(animation, finalTarget, clock ?? control.Clock, match, onComplete));
}
return(Disposable.Empty);
}
public override IDisposable Apply(Animation animation, Animatable control, IClock clock, IObservable <bool> match, Action onComplete)
{
// Preprocess keyframe values to Color if the xaml parser converts them to ISCB.
foreach (var keyframe in this)
{
if (keyframe.Value is ISolidColorBrush colorBrush)
{
keyframe.Value = colorBrush.Color;
}
else
{
return(Disposable.Empty);
}
}
SolidColorBrush finalTarget;
var targetVal = control.GetValue(Property);
if (targetVal is null)
{
finalTarget = new SolidColorBrush(Colors.Transparent);
control.SetValue(Property, finalTarget);
}
else if (targetVal is ImmutableSolidColorBrush immutableSolidColorBrush)
{
finalTarget = new SolidColorBrush(immutableSolidColorBrush.Color);
control.SetValue(Property, finalTarget);
}
else if (targetVal is ISolidColorBrush)
{
finalTarget = targetVal as SolidColorBrush;
}
else
{
return(Disposable.Empty);
}
if (_colorAnimator == null)
{
InitializeColorAnimator();
}
return(_colorAnimator.Apply(animation, finalTarget, clock ?? control.Clock, match, onComplete));
}