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style: Allow to share style across elements with similar XBL bindings.

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Emilio Cobos Álvarez 2018-03-07 02:04:56 +01:00
parent af12284b6a
commit c338745b17
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4 changed files with 21 additions and 42 deletions
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11
components/style/dom.rs
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@ -321,7 +321,7 @@ fn fmt_subtree<F, N: TNode>(f: &mut fmt::Formatter, stringify: &F, n: N, indent:
}
/// The ShadowRoot trait.
pub trait TShadowRoot : Sized + Copy + Clone {
pub trait TShadowRoot : Sized + Copy + Clone + PartialEq {
/// The concrete node type.
type ConcreteNode: TNode<ConcreteShadowRoot = Self>;
@ -390,15 +390,6 @@ pub trait TElement
depth
}
/// The style scope of this element is a node that represents which rules
/// apply to the element.
///
/// In Servo, where we don't know about Shadow DOM or XBL, the style scope
/// is always the document.
fn style_scope(&self) -> Self::ConcreteNode {
self.as_node().owner_doc().as_node()
}
/// Get this node's parent element from the perspective of a restyle
/// traversal.
fn traversal_parent(&self) -> Option<Self> {