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Auto merge of #17063 - emilio:pres-hints-sharing, r=bholley

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style: Allow sharing styles across elements with presentational hints.

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bors-servo 2017-05-30 07:28:06 -05:00 • committed by GitHub
commit 38a6a3bff6
9 changed files with 318 additions and 182 deletions
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8
components/style/traversal.rs
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@ -11,7 +11,7 @@ use dom::{DirtyDescendants, NodeInfo, OpaqueNode, TElement, TNode};
use matching::{ChildCascadeRequirement, MatchMethods};
use restyle_hints::{HintComputationContext, RestyleHint};
use selector_parser::RestyleDamage;
use sharing::StyleSharingBehavior;
use sharing::{StyleSharingBehavior, StyleSharingTarget};
#[cfg(feature = "servo")] use servo_config::opts;
use smallvec::SmallVec;
use std::borrow::BorrowMut;
@ -800,9 +800,9 @@ fn compute_style<E, D>(_traversal: &D,
// First, try the style sharing cache. If we get a match we can skip the rest
// of the work.
if let MatchAndCascade = kind {
let sharing_result = unsafe {
element.share_style_if_possible(context, data)
};
let target = StyleSharingTarget::new(element);
let sharing_result = target.share_style_if_possible(context, data);
if let StyleWasShared(index, had_damage) = sharing_result {
context.thread_local.statistics.styles_shared += 1;
context.thread_local.style_sharing_candidate_cache.touch(index);