void Layer::removeAllSublayers()
{
for(const LayerPtr& layer : sublayers)
{
removeSublayer(layer);
}
}
void WKCACFLayer::replaceSublayer(WKCACFLayer* reference, PassRefPtr<WKCACFLayer> newLayer)
{
ASSERT_ARG(reference, reference);
ASSERT_ARG(reference, reference->superlayer() == this);
if (reference == newLayer)
return;
if (!newLayer) {
removeSublayer(reference);
return;
}
newLayer->removeFromSuperlayer();
int referenceIndex = indexOfSublayer(reference);
ASSERT(referenceIndex != -1);
if (referenceIndex == -1)
return;
// FIXME: Can we make this more efficient? The current CACF API doesn't seem to give us a way to do so.
reference->removeFromSuperlayer();
insertSublayer(newLayer, referenceIndex);
}