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ShadowRoot stylesheet list

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This commit is contained in:
Fernando Jiménez Moreno 2019-02-05 20:50:44 +01:00
parent 0d6bd24245
commit 3bb50cc479
8 changed files with 93 additions and 29 deletions
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17
components/script/dom/node.rs
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@ -54,6 +54,7 @@ use crate::dom::nodelist::NodeList;
use crate::dom::processinginstruction::ProcessingInstruction;
use crate::dom::range::WeakRangeVec;
use crate::dom::shadowroot::ShadowRoot;
use crate::dom::stylesheetlist::StyleSheetListOwner;
use crate::dom::svgsvgelement::{LayoutSVGSVGElementHelpers, SVGSVGElement};
use crate::dom::text::Text;
use crate::dom::virtualmethods::{vtable_for, VirtualMethods};
@ -2786,6 +2787,22 @@ pub fn document_from_node<T: DerivedFrom<Node> + DomObject>(derived: &T) -> DomR
derived.upcast().owner_doc()
}
pub fn shadow_root_from_node<T: DerivedFrom<Node> + DomObject>(
derived: &T,
) -> Option<DomRoot<ShadowRoot>> {
derived.upcast().owner_shadow_root()
}
pub fn stylesheets_owner_from_node<T: DerivedFrom<Node> + DomObject>(
derived: &T,
) -> Box<StyleSheetListOwner> {
if let Some(shadow_root) = shadow_root_from_node(derived) {
Box::new(Dom::from_ref(&*shadow_root))
} else {
Box::new(Dom::from_ref(&*document_from_node(derived)))
}
}
pub fn window_from_node<T: DerivedFrom<Node> + DomObject>(derived: &T) -> DomRoot<Window> {
let document = document_from_node(derived);
DomRoot::from_ref(document.window())