/** Handles a createView call. May or may not actually create a native view. */
public void handleCreateView(
ReactShadowNode node, int rootViewTag, @Nullable CatalystStylesDiffMap initialProps) {
if (!ENABLED) {
int tag = node.getReactTag();
mUIViewOperationQueue.enqueueCreateView(rootViewTag, tag, node.getViewClass(), initialProps);
return;
}
boolean isLayoutOnly =
node.getViewClass().equals(ViewProps.VIEW_CLASS_NAME)
&& isLayoutOnlyAndCollapsable(initialProps);
node.setIsLayoutOnly(isLayoutOnly);
if (!isLayoutOnly) {
mUIViewOperationQueue.enqueueCreateView(
rootViewTag, node.getReactTag(), node.getViewClass(), initialProps);
}
}
private void transitionLayoutOnlyViewToNativeView(
ReactShadowNode node, @Nullable CatalystStylesDiffMap props) {
ReactShadowNode parent = node.getParent();
if (parent == null) {
node.setIsLayoutOnly(false);
return;
}
// First, remove the node from its parent. This causes the parent to update its native children
// count. The removeNodeFromParent call will cause all the view's children to be detached from
// their native parent.
int childIndex = parent.indexOf(node);
parent.removeChildAt(childIndex);
removeNodeFromParent(node, false);
node.setIsLayoutOnly(false);
// Create the view since it doesn't exist in the native hierarchy yet
mUIViewOperationQueue.enqueueCreateView(
node.getRootNode().getReactTag(), node.getReactTag(), node.getViewClass(), props);
// Add the node and all its children as if we are adding a new nodes
parent.addChildAt(node, childIndex);
addNodeToNode(parent, node, childIndex);
for (int i = 0; i < node.getChildCount(); i++) {
addNodeToNode(node, node.getChildAt(i), i);
}
// Update layouts since the children of the node were offset by its x/y position previously.
// Bit of a hack: we need to update the layout of this node's children now that it's no longer
// layout-only, but we may still receive more layout updates at the end of this batch that we
// don't want to ignore.
Assertions.assertCondition(mTagsWithLayoutVisited.size() == 0);
applyLayoutBase(node);
for (int i = 0; i < node.getChildCount(); i++) {
applyLayoutBase(node.getChildAt(i));
}
mTagsWithLayoutVisited.clear();
}