private void addLayoutOnlyNodeToLayoutOnlyNode(
ReactShadowNode parent, ReactShadowNode child, int index) {
ReactShadowNode parentParent = parent.getParent();
// If the parent hasn't been attached to its parent yet, don't issue commands to the native
// hierarchy. We'll do that when the parent node actually gets attached somewhere.
if (parentParent == null) {
return;
}
int transformedIndex = index + parentParent.getNativeOffsetForChild(parent);
if (parentParent.isLayoutOnly()) {
addLayoutOnlyNodeToLayoutOnlyNode(parentParent, child, transformedIndex);
} else {
addLayoutOnlyNodeToNonLayoutOnlyNode(parentParent, child, transformedIndex);
}
}
private void addNodeToNode(ReactShadowNode parent, ReactShadowNode child, int index) {
int indexInNativeChildren = parent.getNativeOffsetForChild(parent.getChildAt(index));
boolean parentIsLayoutOnly = parent.isLayoutOnly();
boolean childIsLayoutOnly = child.isLayoutOnly();
// Switch on the four cases of:
// add (layout-only|not layout-only) to (layout-only|not layout-only)
if (!parentIsLayoutOnly && !childIsLayoutOnly) {
addNonLayoutNodeToNonLayoutNode(parent, child, indexInNativeChildren);
} else if (!childIsLayoutOnly) {
addNonLayoutOnlyNodeToLayoutOnlyNode(parent, child, indexInNativeChildren);
} else if (!parentIsLayoutOnly) {
addLayoutOnlyNodeToNonLayoutOnlyNode(parent, child, indexInNativeChildren);
} else {
addLayoutOnlyNodeToLayoutOnlyNode(parent, child, indexInNativeChildren);
}
}