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style: Replicate the list of stylesheets on the layout thread.

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This is a patch that unifies a bit how Gecko and Stylo stylesheets work, in
order to be able to eventually move the stylesheets into the stylist, and be
able to incrementally update the invalidation map.
This commit is contained in:
Emilio Cobos Álvarez 2017-08-16 15:46:17 +02:00
parent b8159e659e
commit d1725b1f19
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GPG key ID: 056B727BB9C1027C
14 changed files with 413 additions and 198 deletions
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14
components/script/dom/htmlmetaelement.rs
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@ -99,10 +99,10 @@ impl HTMLMetaElement {
let content = content.value();
if !content.is_empty() {
if let Some(translated_rule) = ViewportRule::from_meta(&**content) {
let document = self.upcast::<Node>().owner_doc();
let document = document_from_node(self);
let shared_lock = document.style_shared_lock();
let rule = CssRule::Viewport(Arc::new(shared_lock.wrap(translated_rule)));
*self.stylesheet.borrow_mut() = Some(Arc::new(Stylesheet {
let sheet = Arc::new(Stylesheet {
contents: StylesheetContents {
rules: CssRules::new(vec![rule], shared_lock),
origin: Origin::Author,
@ -118,9 +118,9 @@ impl HTMLMetaElement {
media: Arc::new(shared_lock.wrap(MediaList::empty())),
shared_lock: shared_lock.clone(),
disabled: AtomicBool::new(false),
}));
let doc = document_from_node(self);
doc.invalidate_stylesheets();
});
*self.stylesheet.borrow_mut() = Some(sheet.clone());
document.add_stylesheet(self.upcast(), sheet);
}
}
}
@ -199,6 +199,10 @@ impl VirtualMethods for HTMLMetaElement {
if context.tree_in_doc {
self.process_referrer_attribute();
if let Some(ref s) = *self.stylesheet.borrow() {
document_from_node(self).remove_stylesheet(self.upcast(), s);
}
}
}
}