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Make CSSRule always keep a pointer to its parent stylesheet

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even when the parentStylesheet IDL attribute returns null.
This commit is contained in:
Simon Sapin 2016-11-28 16:33:47 +01:00
parent 0714e2291c
commit f1d49d3773
11 changed files with 84 additions and 69 deletions
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9
components/script/dom/cssmediarule.rs
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@ -23,18 +23,19 @@ pub struct CSSMediaRule {
}
impl CSSMediaRule {
fn new_inherited(parent: Option<&CSSStyleSheet>, mediarule: Arc<RwLock<MediaRule>>) -> CSSMediaRule {
fn new_inherited(parent_stylesheet: &CSSStyleSheet, mediarule: Arc<RwLock<MediaRule>>)
-> CSSMediaRule {
let list = mediarule.read().rules.clone();
CSSMediaRule {
cssrule: CSSGroupingRule::new_inherited(parent, list),
cssrule: CSSGroupingRule::new_inherited(parent_stylesheet, list),
mediarule: mediarule,
}
}
#[allow(unrooted_must_root)]
pub fn new(window: &Window, parent: Option<&CSSStyleSheet>,
pub fn new(window: &Window, parent_stylesheet: &CSSStyleSheet,
mediarule: Arc<RwLock<MediaRule>>) -> Root<CSSMediaRule> {
reflect_dom_object(box CSSMediaRule::new_inherited(parent, mediarule),
reflect_dom_object(box CSSMediaRule::new_inherited(parent_stylesheet, mediarule),
window,
CSSMediaRuleBinding::Wrap)
}