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108 lines
3.7 KiB
Rust
108 lines
3.7 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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use crate::dom::bindings::codegen::Bindings::StyleSheetListBinding::StyleSheetListMethods;
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use crate::dom::bindings::reflector::{reflect_dom_object, Reflector};
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use crate::dom::bindings::root::{Dom, DomRoot};
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use crate::dom::cssstylesheet::CSSStyleSheet;
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use crate::dom::document::Document;
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use crate::dom::element::Element;
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use crate::dom::shadowroot::ShadowRoot;
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use crate::dom::stylesheet::StyleSheet;
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use crate::dom::window::Window;
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use dom_struct::dom_struct;
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use servo_arc::Arc;
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use style::stylesheets::Stylesheet;
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#[unrooted_must_root_lint::must_root]
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#[derive(JSTraceable, MallocSizeOf)]
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pub enum StyleSheetListOwner {
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Document(Dom<Document>),
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ShadowRoot(Dom<ShadowRoot>),
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}
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impl StyleSheetListOwner {
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pub fn stylesheet_count(&self) -> usize {
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match *self {
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StyleSheetListOwner::Document(ref doc) => doc.stylesheet_count(),
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StyleSheetListOwner::ShadowRoot(ref shadow_root) => shadow_root.stylesheet_count(),
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}
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}
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pub fn stylesheet_at(&self, index: usize) -> Option<DomRoot<CSSStyleSheet>> {
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match *self {
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StyleSheetListOwner::Document(ref doc) => doc.stylesheet_at(index),
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StyleSheetListOwner::ShadowRoot(ref shadow_root) => shadow_root.stylesheet_at(index),
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}
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}
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pub fn add_stylesheet(&self, owner: &Element, sheet: Arc<Stylesheet>) {
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match *self {
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StyleSheetListOwner::Document(ref doc) => doc.add_stylesheet(owner, sheet),
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StyleSheetListOwner::ShadowRoot(ref shadow_root) => {
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shadow_root.add_stylesheet(owner, sheet)
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},
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}
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}
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pub fn remove_stylesheet(&self, owner: &Element, s: &Arc<Stylesheet>) {
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match *self {
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StyleSheetListOwner::Document(ref doc) => doc.remove_stylesheet(owner, s),
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StyleSheetListOwner::ShadowRoot(ref shadow_root) => {
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shadow_root.remove_stylesheet(owner, s)
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},
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}
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}
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pub fn invalidate_stylesheets(&self) {
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match *self {
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StyleSheetListOwner::Document(ref doc) => doc.invalidate_stylesheets(),
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StyleSheetListOwner::ShadowRoot(ref shadow_root) => {
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shadow_root.invalidate_stylesheets()
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},
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}
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}
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}
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#[dom_struct]
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pub struct StyleSheetList {
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reflector_: Reflector,
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document_or_shadow_root: StyleSheetListOwner,
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}
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impl StyleSheetList {
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#[allow(unrooted_must_root)]
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fn new_inherited(doc_or_sr: StyleSheetListOwner) -> StyleSheetList {
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StyleSheetList {
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reflector_: Reflector::new(),
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document_or_shadow_root: doc_or_sr,
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}
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}
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#[allow(unrooted_must_root)]
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pub fn new(window: &Window, doc_or_sr: StyleSheetListOwner) -> DomRoot<StyleSheetList> {
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reflect_dom_object(Box::new(StyleSheetList::new_inherited(doc_or_sr)), window)
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}
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}
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impl StyleSheetListMethods for StyleSheetList {
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// https://drafts.csswg.org/cssom/#dom-stylesheetlist-length
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fn Length(&self) -> u32 {
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self.document_or_shadow_root.stylesheet_count() as u32
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}
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// https://drafts.csswg.org/cssom/#dom-stylesheetlist-item
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fn Item(&self, index: u32) -> Option<DomRoot<StyleSheet>> {
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// XXXManishearth this doesn't handle the origin clean flag and is a
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// cors vulnerability
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self.document_or_shadow_root
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.stylesheet_at(index as usize)
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.map(DomRoot::upcast)
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}
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// check-tidy: no specs after this line
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fn IndexedGetter(&self, index: u32) -> Option<DomRoot<StyleSheet>> {
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self.Item(index)
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}
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}
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