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style: Store stylesheets per origin.

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This will allow us to cache UA sheets across documents.

MozReview-Commit-ID: 5rYIKTmC6iw
Signed-off-by: Emilio Cobos Álvarez <emilio@crisal.io>
This commit is contained in:
Emilio Cobos Álvarez 2017-09-13 15:48:34 +02:00
parent a373ed3f9d
commit 02d1264047
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GPG key ID: 056B727BB9C1027C
3 changed files with 205 additions and 93 deletions
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4
components/script/dom/document.rs
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@ -141,7 +141,7 @@ use style::selector_parser::{RestyleDamage, Snapshot};
use style::shared_lock::{SharedRwLock as StyleSharedRwLock, SharedRwLockReadGuard};
use style::str::{HTML_SPACE_CHARACTERS, split_html_space_chars, str_join};
use style::stylesheet_set::StylesheetSet;
use style::stylesheets::{Stylesheet, StylesheetContents, OriginSet};
use style::stylesheets::{Stylesheet, StylesheetContents, Origin, OriginSet};
use task_source::TaskSource;
use time;
use timers::OneshotTimerCallback;
@ -2435,7 +2435,7 @@ impl Document {
pub fn stylesheet_at(&self, index: usize) -> Option<Root<CSSStyleSheet>> {
let stylesheets = self.stylesheets.borrow();
stylesheets.get(index).and_then(|s| {
stylesheets.get(Origin::Author, index).and_then(|s| {
s.owner.upcast::<Node>().get_cssom_stylesheet()
})
}