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Replace RwLock<StyleRule> with Locked<StyleRule>

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This commit is contained in:
Simon Sapin 2017-03-18 00:47:08 +01:00
parent 57724e5a37
commit aeffca2a59
33 changed files with 279 additions and 334 deletions
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26
components/script/dom/cssstylerule.rs
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@ -12,21 +12,20 @@ use dom::cssstyledeclaration::{CSSModificationAccess, CSSStyleDeclaration, CSSSt
use dom::cssstylesheet::CSSStyleSheet;
use dom::window::Window;
use dom_struct::dom_struct;
use parking_lot::RwLock;
use std::sync::Arc;
use style::shared_lock::ToCssWithGuard;
use style::shared_lock::{Locked, ToCssWithGuard};
use style::stylesheets::StyleRule;
#[dom_struct]
pub struct CSSStyleRule {
cssrule: CSSRule,
#[ignore_heap_size_of = "Arc"]
stylerule: Arc<RwLock<StyleRule>>,
stylerule: Arc<Locked<StyleRule>>,
style_decl: MutNullableJS<CSSStyleDeclaration>,
}
impl CSSStyleRule {
fn new_inherited(parent_stylesheet: &CSSStyleSheet, stylerule: Arc<RwLock<StyleRule>>)
fn new_inherited(parent_stylesheet: &CSSStyleSheet, stylerule: Arc<Locked<StyleRule>>)
-> CSSStyleRule {
CSSStyleRule {
cssrule: CSSRule::new_inherited(parent_stylesheet),
@ -37,7 +36,7 @@ impl CSSStyleRule {
#[allow(unrooted_must_root)]
pub fn new(window: &Window, parent_stylesheet: &CSSStyleSheet,
stylerule: Arc<RwLock<StyleRule>>) -> Root<CSSStyleRule> {
stylerule: Arc<Locked<StyleRule>>) -> Root<CSSStyleRule> {
reflect_dom_object(box CSSStyleRule::new_inherited(parent_stylesheet, stylerule),
window,
CSSStyleRuleBinding::Wrap)
@ -52,7 +51,7 @@ impl SpecificCSSRule for CSSStyleRule {
fn get_css(&self) -> DOMString {
let guard = self.cssrule.shared_lock().read();
self.stylerule.read().to_css_string(&guard).into()
self.stylerule.read_with(&guard).to_css_string(&guard).into()
}
}
@ -60,11 +59,16 @@ impl CSSStyleRuleMethods for CSSStyleRule {
// https://drafts.csswg.org/cssom/#dom-cssstylerule-style
fn Style(&self) -> Root<CSSStyleDeclaration> {
self.style_decl.or_init(|| {
CSSStyleDeclaration::new(self.global().as_window(),
CSSStyleOwner::CSSRule(JS::from_ref(self.upcast()),
self.stylerule.read().block.clone()),
None,
CSSModificationAccess::ReadWrite)
let guard = self.cssrule.shared_lock().read();
CSSStyleDeclaration::new(
self.global().as_window(),
CSSStyleOwner::CSSRule(
JS::from_ref(self.upcast()),
self.stylerule.read_with(&guard).block.clone()
),
None,
CSSModificationAccess::ReadWrite
)
})
}
}