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Pass a callback to recalc_style_at to avoid traversing children twice.

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MozReview-Commit-ID: DIHXaVNzbFM
This commit is contained in:
Bobby Holley 2017-07-12 17:46:21 -07:00
parent e534ec9e47
commit b7de96e702
6 changed files with 166 additions and 188 deletions
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12
components/style/parallel.rs
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@ -202,13 +202,11 @@ fn top_down_dom<'a, 'scope, E, D>(nodes: &'a [SendNode<E::ConcreteNode>],
let node = **n;
let mut children_to_process = 0isize;
traversal.process_preorder(&traversal_data, &mut context, node);
if let Some(el) = node.as_element() {
traversal.traverse_children(&mut context, el, |_context, kid| {
children_to_process += 1;
discovered_child_nodes.push(unsafe { SendNode::new(kid) })
});
}
traversal.process_preorder(&traversal_data, &mut context, node, |n| {
children_to_process += 1;
let send_n = unsafe { SendNode::new(n) };
discovered_child_nodes.push(send_n);
});
traversal.handle_postorder_traversal(&mut context, root, node,
children_to_process);