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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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17
components/style/gecko/traversal.rs
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@ -5,7 +5,7 @@
//! Gecko-specific bits for the styling DOM traversal.
use context::{SharedStyleContext, StyleContext};
use dom::{NodeInfo, TNode, TElement};
use dom::{TNode, TElement};
use gecko::wrapper::{GeckoElement, GeckoNode};
use traversal::{DomTraversal, PerLevelTraversalData, TraversalDriver, recalc_style_at};
@ -27,15 +27,16 @@ impl<'a> RecalcStyleOnly<'a> {
}
impl<'recalc, 'le> DomTraversal<GeckoElement<'le>> for RecalcStyleOnly<'recalc> {
fn process_preorder(&self,
traversal_data: &PerLevelTraversalData,
context: &mut StyleContext<GeckoElement<'le>>,
node: GeckoNode<'le>)
fn process_preorder<F>(&self,
traversal_data: &PerLevelTraversalData,
context: &mut StyleContext<GeckoElement<'le>>,
node: GeckoNode<'le>,
note_child: F)
where F: FnMut(GeckoNode<'le>),
{
if node.is_element() {
let el = node.as_element().unwrap();
if let Some(el) = node.as_element() {
let mut data = unsafe { el.ensure_data() };
recalc_style_at(self, traversal_data, context, el, &mut data);
recalc_style_at(self, traversal_data, context, el, &mut data, note_child);
}
}