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Implement the :focus pseudo-class selector

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Fixes #5460. This supports for simple focusable elements that are their own
DOM anchors, like text `input` fields.
This commit is contained in:
Matt Brubeck 2015-03-30 10:39:13 -07:00
parent ad6c511a5e
commit 791fa3757d
10 changed files with 106 additions and 9 deletions
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7
components/script/dom/element.rs
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@ -1461,6 +1461,13 @@ impl<'a> style::node::TElement<'a> for JSRef<'a, Element> {
let node: JSRef<Node> = NodeCast::from_ref(self);
node.get_hover_state()
}
fn get_focus_state(self) -> bool {
// TODO: Also check whether the top-level browsing context has the system focus,
// and whether this element is a browsing context container.
// https://html.spec.whatwg.org/multipage/scripting.html#selector-focus
let node: JSRef<Node> = NodeCast::from_ref(self);
node.get_focus_state()
}
fn get_id(self) -> Option<Atom> {
self.get_attribute(ns!(""), &atom!("id")).map(|attr| {
let attr = attr.root();