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style: Implement a more fine-grained invalidation method.

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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
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1
tests/unit/style/lib.rs
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@ -29,7 +29,6 @@ mod logical_geometry;
mod media_queries;
mod parsing;
mod properties;
mod restyle_hints;
mod rule_tree;
mod size_of;
mod str;

30
tests/unit/style/restyle_hints.rs
View file

@ -1,30 +0,0 @@
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use style::context::QuirksMode;
#[test]
fn smoke_restyle_hints() {
use cssparser::{Parser, ParserInput};
use selectors::parser::SelectorList;
use style::restyle_hints::DependencySet;
use style::selector_parser::SelectorParser;
use style::stylesheets::{Origin, Namespaces};
let namespaces = Namespaces::default();
let parser = SelectorParser {
stylesheet_origin: Origin::Author,
namespaces: &namespaces,
};
let mut dependencies = DependencySet::new();
let mut input = ParserInput::new(":not(:active) ~ label");
let mut p = Parser::new(&mut input);
let selectors = SelectorList::parse(&parser, &mut p).unwrap();
assert_eq!((selectors.0).len(), 1);
let selector = (selectors.0).first().unwrap();
dependencies.note_selector(selector, QuirksMode::NoQuirks);
assert_eq!(dependencies.len(), 1);
}