private void applyLayoutRecursive(ReactShadowNode toUpdate, int x, int y) {
if (!toUpdate.isLayoutOnly() && toUpdate.getNativeParent() != null) {
int tag = toUpdate.getReactTag();
mUIViewOperationQueue.enqueueUpdateLayout(
toUpdate.getNativeParent().getReactTag(),
tag,
x,
y,
toUpdate.getScreenWidth(),
toUpdate.getScreenHeight());
return;
}
for (int i = 0; i < toUpdate.getChildCount(); i++) {
ReactShadowNode child = toUpdate.getChildAt(i);
int childTag = child.getReactTag();
if (mTagsWithLayoutVisited.get(childTag)) {
continue;
}
mTagsWithLayoutVisited.put(childTag, true);
int childX = child.getScreenX();
int childY = child.getScreenY();
childX += x;
childY += y;
applyLayoutRecursive(child, childX, childY);
}
}
private void applyLayoutBase(ReactShadowNode node) {
int tag = node.getReactTag();
if (mTagsWithLayoutVisited.get(tag)) {
return;
}
mTagsWithLayoutVisited.put(tag, true);
ReactShadowNode parent = node.getParent();
// We use screenX/screenY (which round to integer pixels) at each node in the hierarchy to
// emulate what the layout would look like if it were actually built with native views which
// have to have integral top/left/bottom/right values
int x = node.getScreenX();
int y = node.getScreenY();
while (parent != null && parent.isLayoutOnly()) {
// TODO(7854667): handle and test proper clipping
x += Math.round(parent.getLayoutX());
y += Math.round(parent.getLayoutY());
parent = parent.getParent();
}
applyLayoutRecursive(node, x, y);
}