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Implements Stylesheet.ownerNode

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This commit is contained in:
Vincent Ricard 2020-10-08 22:30:22 +02:00
parent 406d15974f
commit e7199c029f
14 changed files with 72 additions and 39 deletions
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12
components/script/dom/cssrulelist.rs
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@ -5,7 +5,6 @@
use crate::dom::bindings::cell::DomRefCell;
use crate::dom::bindings::codegen::Bindings::CSSRuleListBinding::CSSRuleListMethods;
use crate::dom::bindings::error::{Error, ErrorResult, Fallible};
use crate::dom::bindings::inheritance::Castable;
use crate::dom::bindings::reflector::{reflect_dom_object, DomObject, Reflector};
use crate::dom::bindings::root::{Dom, DomRoot, MutNullableDom};
use crate::dom::csskeyframerule::CSSKeyframeRule;
@ -13,6 +12,7 @@ use crate::dom::cssrule::CSSRule;
use crate::dom::cssstylesheet::CSSStyleSheet;
use crate::dom::htmlelement::HTMLElement;
use crate::dom::window::Window;
use crate::style::stylesheets::StylesheetLoader as StyleStylesheetLoader;
use crate::stylesheet_loader::StylesheetLoader;
use dom_struct::dom_struct;
use servo_arc::Arc;
@ -107,9 +107,11 @@ impl CSSRuleList {
let owner = self
.parent_stylesheet
.get_owner()
.downcast::<HTMLElement>()
.unwrap();
let loader = StylesheetLoader::for_element(owner);
.map(DomRoot::downcast::<HTMLElement>)
.flatten();
let loader = owner
.as_ref()
.map(|element| StylesheetLoader::for_element(&**element));
let new_rule = css_rules.with_raw_offset_arc(|arc| {
arc.insert_rule(
&parent_stylesheet.shared_lock,
@ -117,7 +119,7 @@ impl CSSRuleList {
&parent_stylesheet.contents,
index,
nested,
Some(&loader),
loader.as_ref().map(|l| l as &dyn StyleStylesheetLoader),
AllowImportRules::Yes,
)
})?;