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style: Distinguish between the tree structures used for traversal and selector matching.

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This patch renames TNode::parent_element to traversal_parent, since it returns
the parent from the perspective of traversal (which in Gecko uses the
flattened tree).  It also renames TNode::children to traversal_children
for the saem reason.

We keep parent_element and children functions on TNode to use for selector
matching, which must be done on the real DOM tree structure.
This commit is contained in:
Cameron McCormack 2017-06-09 12:05:39 +08:00
parent c465dd0375
commit c533097e20
11 changed files with 102 additions and 67 deletions
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2
components/style/parallel.rs
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@ -64,7 +64,7 @@ pub fn traverse_dom<E, D>(traversal: &D,
// it on the context to make it available to the bottom-up phase.
let depth = if token.traverse_unstyled_children_only() {
debug_assert!(!D::needs_postorder_traversal());
for kid in root.as_node().children() {
for kid in root.as_node().traversal_children() {
if kid.as_element().map_or(false, |el| el.get_data().is_none()) {
nodes.push(unsafe { SendNode::new(kid) });
}