style: Implement a more fine-grained invalidation method.

This commit also removes the old restyle_hints module and splits it into
multiple modules under components/style/invalidation/element/.

The basic approach is to walk down the tree using compound selectors as needed,
in order to do as little selector-matching as possible.

Bug: 1368240
MozReview-Commit-ID: 2YO8fKFygZI
This commit is contained in:
Emilio Cobos Álvarez 2017-06-13 11:03:06 +02:00
parent fd10729941
commit cb06375fe2
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GPG key ID: 056B727BB9C1027C
21 changed files with 1673 additions and 1486 deletions

View file

@ -102,9 +102,9 @@ use style::applicable_declarations::ApplicableDeclarationBlock;
use style::attr::{AttrValue, LengthOrPercentageOrAuto};
use style::context::{QuirksMode, ReflowGoal};
use style::element_state::*;
use style::invalidation::element::restyle_hints::RESTYLE_SELF;
use style::properties::{Importance, PropertyDeclaration, PropertyDeclarationBlock, parse_style_attribute};
use style::properties::longhands::{self, background_image, border_spacing, font_family, font_size, overflow_x};
use style::restyle_hints::RestyleHint;
use style::rule_tree::CascadeLevel;
use style::selector_parser::{NonTSPseudoClass, PseudoElement, RestyleDamage, SelectorImpl, SelectorParser};
use style::selector_parser::extended_filtering;
@ -253,7 +253,7 @@ impl Element {
// FIXME(bholley): I think we should probably only do this for
// NodeStyleDamaged, but I'm preserving existing behavior.
restyle.hint.insert(RestyleHint::for_self());
restyle.hint.insert(RESTYLE_SELF);
if damage == NodeDamage::OtherNodeDamage {
restyle.damage = RestyleDamage::rebuild_and_reflow();