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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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23
components/script/dom/cssstylesheet.rs
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@ -6,7 +6,7 @@ use crate::dom::bindings::codegen::Bindings::CSSStyleSheetBinding::CSSStyleSheet
use crate::dom::bindings::error::{Error, ErrorResult, Fallible};
use crate::dom::bindings::inheritance::Castable;
use crate::dom::bindings::reflector::{reflect_dom_object, DomObject};
use crate::dom::bindings::root::{Dom, DomRoot, MutNullableDom};
use crate::dom::bindings::root::{DomRoot, MutNullableDom};
use crate::dom::bindings::str::DOMString;
use crate::dom::cssrulelist::{CSSRuleList, RulesSource};
use crate::dom::element::Element;
@ -22,7 +22,7 @@ use style::stylesheets::Stylesheet as StyleStyleSheet;
#[dom_struct]
pub struct CSSStyleSheet {
stylesheet: StyleSheet,
owner: Dom<Element>,
owner: MutNullableDom<Element>,
rulelist: MutNullableDom<CSSRuleList>,
#[ignore_malloc_size_of = "Arc"]
style_stylesheet: Arc<StyleStyleSheet>,
@ -39,7 +39,7 @@ impl CSSStyleSheet {
) -> CSSStyleSheet {
CSSStyleSheet {
stylesheet: StyleSheet::new_inherited(type_, href, title),
owner: Dom::from_ref(owner),
owner: MutNullableDom::new(Some(owner)),
rulelist: MutNullableDom::new(None),
style_stylesheet: stylesheet,
origin_clean: Cell::new(true),
@ -63,10 +63,6 @@ impl CSSStyleSheet {
)
}
pub fn owner(&self) -> DomRoot<Element> {
DomRoot::from_ref(&*self.owner)
}
fn rulelist(&self) -> DomRoot<CSSRuleList> {
self.rulelist.or_init(|| {
let rules = self.style_stylesheet.contents.rules.clone();
@ -78,16 +74,21 @@ impl CSSStyleSheet {
self.style_stylesheet.disabled()
}
pub fn get_owner(&self) -> &Element {
&*self.owner
pub fn get_owner(&self) -> Option<DomRoot<Element>> {
self.owner.get()
}
pub fn set_disabled(&self, disabled: bool) {
if self.style_stylesheet.set_disabled(disabled) {
stylesheets_owner_from_node(self.owner().upcast::<Node>()).invalidate_stylesheets();
if self.style_stylesheet.set_disabled(disabled) && self.get_owner().is_some() {
stylesheets_owner_from_node(self.get_owner().unwrap().upcast::<Node>())
.invalidate_stylesheets();
}
}
pub fn set_owner(&self, value: Option<&Element>) {
self.owner.set(value);
}
pub fn shared_lock(&self) -> &SharedRwLock {
&self.style_stylesheet.shared_lock
}