internal DUCE.ResourceHandle GetAnimationResourceHandle(DependencyProperty dp, DUCE.Channel channel)
{
if (channel != null && IAnimatable_HasAnimatedProperties)
{
return(IndependentAnimationStorage.GetResourceHandle(this, dp, channel));
}
else
{
return(DUCE.ResourceHandle.Null);
}
}
internal void PropertyChanged(DependencyProperty dp)
{
AnimationStorage animationStorage = AnimationStorage.GetStorage(this, dp);
IndependentAnimationStorage independentAnimationStorage = animationStorage as IndependentAnimationStorage;
// If this property is independently animated and currently has
// animations all we need to do is update the animation resource
// that represents this property value. Otherwise we need to invalidate
// and and eventually update this whole object.
if (independentAnimationStorage != null)
{
independentAnimationStorage.InvalidateResource();
}
else
{
RegisterForAsyncUpdateResource();
}
}
internal static DUCE.ResourceHandle GetResourceHandle(DependencyObject d, DependencyProperty dp, DUCE.Channel channel)
{
Debug.Assert(d != null);
Debug.Assert(dp != null);
Debug.Assert(d is Animatable ? ((Animatable)d).HasAnimatedProperties : true);
IndependentAnimationStorage storage = AnimationStorage.GetStorage(d, dp) as IndependentAnimationStorage;
if (storage == null)
{
return(DUCE.ResourceHandle.Null);
}
else
{
Debug.Assert(storage._duceResource.IsOnChannel(channel));
return(((DUCE.IResource)storage).GetHandle(channel));
}
}