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Define match_node on LayoutElement as match_element.

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This commit is contained in:
Ms2ger 2015-10-15 11:18:29 +02:00
parent a9f75b7c4f
commit 5c7dc4c633
2 changed files with 26 additions and 23 deletions
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37
components/layout/css/matching.rs
View file

@ -371,6 +371,14 @@ pub enum StyleSharingResult {
StyleWasShared(usize, RestyleDamage),
}
pub trait ElementMatchMethods {
fn match_element(&self,
stylist: &Stylist,
parent_bf: Option<&BloomFilter>,
applicable_declarations: &mut ApplicableDeclarations,
shareable: &mut bool);
}
pub trait MatchMethods {
/// Inserts and removes the matching `Descendant` selectors from a bloom
/// filter. This is used to speed up CSS selector matching to remove
@ -385,12 +393,6 @@ pub trait MatchMethods {
/// called to reset the bloom filter after an `insert`.
fn remove_from_bloom_filter(&self, bf: &mut BloomFilter);
fn match_node(&self,
stylist: &Stylist,
parent_bf: Option<&BloomFilter>,
applicable_declarations: &mut ApplicableDeclarations,
shareable: &mut bool);
/// Attempts to share a style with another node. This method is unsafe because it depends on
/// the `style_sharing_candidate_cache` having only live nodes in it, and we have no way to
/// guarantee that at the type system level yet.
@ -543,27 +545,26 @@ impl<'ln> PrivateElementMatchMethods for LayoutElement<'ln> {
}
}
impl<'ln> MatchMethods for LayoutNode<'ln> {
fn match_node(&self,
stylist: &Stylist,
parent_bf: Option<&BloomFilter>,
applicable_declarations: &mut ApplicableDeclarations,
shareable: &mut bool) {
let element = self.as_element().unwrap();
let style_attribute = element.style_attribute().as_ref();
impl<'ln> ElementMatchMethods for LayoutElement<'ln> {
fn match_element(&self,
stylist: &Stylist,
parent_bf: Option<&BloomFilter>,
applicable_declarations: &mut ApplicableDeclarations,
shareable: &mut bool) {
let style_attribute = self.style_attribute().as_ref();
applicable_declarations.normal_shareable =
stylist.push_applicable_declarations(&element,
stylist.push_applicable_declarations(self,
parent_bf,
style_attribute,
None,
&mut applicable_declarations.normal);
stylist.push_applicable_declarations(&element,
stylist.push_applicable_declarations(self,
parent_bf,
None,
Some(PseudoElement::Before),
&mut applicable_declarations.before);
stylist.push_applicable_declarations(&element,
stylist.push_applicable_declarations(self,
parent_bf,
None,
Some(PseudoElement::After),
@ -573,7 +574,9 @@ impl<'ln> MatchMethods for LayoutNode<'ln> {
applicable_declarations.before.is_empty() &&
applicable_declarations.after.is_empty()
}
}
impl<'ln> MatchMethods for LayoutNode<'ln> {
unsafe fn share_style_if_possible(&self,
style_sharing_candidate_cache:
&mut StyleSharingCandidateCache,

12
components/layout/traversal.rs
View file

@ -6,7 +6,7 @@
use construct::FlowConstructor;
use context::LayoutContext;
use css::matching::{ApplicableDeclarations, MatchMethods, StyleSharingResult};
use css::matching::{ApplicableDeclarations, ElementMatchMethods, MatchMethods, StyleSharingResult};
use flow::{MutableFlowUtils, PostorderFlowTraversal, PreorderFlowTraversal};
use flow::{self, Flow};
use incremental::{self, BUBBLE_ISIZES, REFLOW, REFLOW_OUT_OF_FLOW, RestyleDamage};
@ -174,13 +174,13 @@ impl<'a> PreorderDomTraversal for RecalcStyleForNode<'a> {
StyleSharingResult::CannotShare(mut shareable) => {
let mut applicable_declarations = ApplicableDeclarations::new();
if node.as_element().is_some() {
if let Some(element) = node.as_element() {
// Perform the CSS selector matching.
let stylist = unsafe { &*self.layout_context.shared.stylist };
node.match_node(stylist,
Some(&*bf),
&mut applicable_declarations,
&mut shareable);
element.match_element(stylist,
Some(&*bf),
&mut applicable_declarations,
&mut shareable);
} else if node.has_changed() {
ThreadSafeLayoutNode::new(&node).set_restyle_damage(
incremental::rebuild_and_reflow())