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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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27
components/script/dom/shadowroot.rs
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@ -2,6 +2,7 @@
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
use crate::dom::bindings::cell::DomRefCell;
use crate::dom::bindings::codegen::Bindings::ShadowRootBinding::ShadowRootBinding::ShadowRootMethods;
use crate::dom::bindings::codegen::Bindings::ShadowRootBinding::{self, ShadowRootMode};
use crate::dom::bindings::inheritance::Castable;
@ -11,12 +12,15 @@ use crate::dom::bindings::root::{Dom, DomRoot, LayoutDom, MutNullableDom};
use crate::dom::cssstylesheet::CSSStyleSheet;
use crate::dom::document::Document;
use crate::dom::documentfragment::DocumentFragment;
use crate::dom::documentorshadowroot::DocumentOrShadowRoot;
use crate::dom::documentorshadowroot::{DocumentOrShadowRoot, StyleSheetInDocument};
use crate::dom::element::Element;
use crate::dom::node::{Node, NodeFlags};
use crate::dom::stylesheetlist::{StyleSheetList, StyleSheetListOwner};
use crate::dom::window::Window;
use dom_struct::dom_struct;
use servo_arc::Arc;
use style::stylesheet_set::AuthorStylesheetSet;
use style::stylesheets::Stylesheet;
// https://dom.spec.whatwg.org/#interface-shadowroot
#[dom_struct]
@ -25,6 +29,9 @@ pub struct ShadowRoot {
document_or_shadow_root: DocumentOrShadowRoot,
document: Dom<Document>,
host: Dom<Element>,
/// List of stylesheets associated with nodes in this shadow tree.
/// |None| if the list needs to be refreshed.
stylesheets: DomRefCell<AuthorStylesheetSet<StyleSheetInDocument>>,
stylesheet_list: MutNullableDom<StyleSheetList>,
window: Dom<Window>,
}
@ -41,6 +48,7 @@ impl ShadowRoot {
document_or_shadow_root: DocumentOrShadowRoot::new(document.window()),
document: Dom::from_ref(document),
host: Dom::from_ref(host),
stylesheets: DomRefCell::new(AuthorStylesheetSet::new()),
stylesheet_list: MutNullableDom::new(None),
window: Dom::from_ref(document.window()),
}
@ -129,4 +137,21 @@ impl StyleSheetListOwner for Dom<ShadowRoot> {
fn stylesheet_at(&self, index: usize) -> Option<DomRoot<CSSStyleSheet>> {
self.document_or_shadow_root.stylesheet_at(index)
}
/// Add a stylesheet owned by `owner` to the list of shadow root sheets, in the
/// correct tree position.
#[allow(unrooted_must_root)] // Owner needs to be rooted already necessarily.
fn add_stylesheet(&self, owner: &Element, sheet: Arc<Stylesheet>) {
self.document_or_shadow_root.add_stylesheet(
owner,
sheet,
self.document.style_shared_lock(),
);
}
/// Remove a stylesheet owned by `owner` from the list of shadow root sheets.
#[allow(unrooted_must_root)] // Owner needs to be rooted already necessarily.
fn remove_stylesheet(&self, owner: &Element, s: &Arc<Stylesheet>) {
self.document_or_shadow_root.remove_stylesheet(owner, s)
}
}