Bridger,
As far as I can tell there is nothing inherent in the CA API to do
what you want, however, KVC is available to you. When you create your
animation, do this:
[animation setValue:objectLayer forKey:@"parentLayer"];
Where objectLayer is the layer the animation is going to be run on.
Then, in your -animationDidStop, you can grab the layer like this:
- (void)animationDidStop:(CAAnimation *)theAnimation finished:(BOOL)flag
{
CALayer *layer = [theAnimation valueForKey:@"parentLayer"];
if( layer )
{
NSLog(@"The layer object was: %@ (%@)", layer, [layer name]);
[layer removeFromSuperlayer];
}
}
I named my layer when I created it with a call to [objectLayer
setName:@"parentLayer"] in this code, so the NSLog in -
animationDidStop won't display the name unless you've done the same.
Best regards,
-Matt
On Jan 3, 2009, at 9:47 PM, Bridger Maxwell wrote:
Another question on Core Animation.
I am creating temporary CALayers, and animating them across a parent
layer.
I would like to delete the layers once they have reached their
destination.
I are using the delegate method animationDidStop:finished: on the
animation,
but it returns only a reference to the animation object that
finished, and I
don't know how to figure out what layer the animation was associated.
Without this information, I don't know which layer we should remove.
Any
help would be great.
Thank You,
Bridger Maxwell
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