depthFirstIterateChildren method Null safety
visibleForTesting">@visibleForTesting
Returns the descendants of this layer in depth first order.
Implementation
@visibleForTesting
List<Layer> depthFirstIterateChildren() {
if (firstChild == null) {
return <Layer>[];
}
final List<Layer> children = <Layer>[];
Layer? child = firstChild;
while(child != null) {
children.add(child);
if (child is ContainerLayer) {
children.addAll(child.depthFirstIterateChildren());
}
child = child.nextSibling;
}
return children;
}