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Bug 1317016 - Basic infrastructure for RestyleHint-driven traversal.

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MozReview-Commit-ID: 7wH5XcILVmX
This commit is contained in:
Bobby Holley 2016-11-01 23:11:24 -07:00
parent e1eff691f8
commit 992f7dddf4
35 changed files with 1465 additions and 901 deletions
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10
components/style/gecko/traversal.rs
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@ -30,7 +30,7 @@ impl<'lc, 'ln> DomTraversalContext<GeckoNode<'ln>> for RecalcStyleOnly<'lc> {
}
fn process_preorder(&self, node: GeckoNode<'ln>) {
if node.is_element() {
if node.is_element() && (!self.context.shared_context().skip_root || node.opaque() != self.root) {
let el = node.as_element().unwrap();
recalc_style_at::<_, _, Self>(&self.context, self.root, el);
}
@ -43,13 +43,9 @@ impl<'lc, 'ln> DomTraversalContext<GeckoNode<'ln>> for RecalcStyleOnly<'lc> {
/// We don't use the post-order traversal for anything.
fn needs_postorder_traversal(&self) -> bool { false }
fn should_traverse_child(parent: GeckoElement<'ln>, child: GeckoNode<'ln>) -> bool {
if parent.is_display_none() {
return false;
}
fn should_traverse_child(child: GeckoNode<'ln>, restyled_previous_sibling_element: bool) -> bool {
match child.as_element() {
Some(el) => el.styling_mode() != StylingMode::Stop,
Some(el) => restyled_previous_sibling_element || el.styling_mode() != StylingMode::Stop,
None => false, // Gecko restyle doesn't need to traverse text nodes.
}
}