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1327ebd52f
It could be used to have mutable JSVal fields without GC barriers. With the removal of that trait, MutHeap and MutNullableHeap can respectively be replaced by MutJS and MutNullableJS.
96 lines
3.5 KiB
Rust
96 lines
3.5 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 http://mozilla.org/MPL/2.0/. */
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use dom::bindings::codegen::Bindings::CSSStyleSheetBinding;
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use dom::bindings::codegen::Bindings::CSSStyleSheetBinding::CSSStyleSheetMethods;
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use dom::bindings::codegen::Bindings::WindowBinding::WindowBinding::WindowMethods;
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use dom::bindings::error::{ErrorResult, Fallible};
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use dom::bindings::js::{JS, MutNullableJS, Root};
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use dom::bindings::reflector::{reflect_dom_object, DomObject};
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use dom::bindings::str::DOMString;
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use dom::cssrulelist::{CSSRuleList, RulesSource};
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use dom::element::Element;
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use dom::stylesheet::StyleSheet;
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use dom::window::Window;
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use std::sync::Arc;
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use style::stylesheets::Stylesheet as StyleStyleSheet;
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#[dom_struct]
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pub struct CSSStyleSheet {
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stylesheet: StyleSheet,
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owner: JS<Element>,
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rulelist: MutNullableJS<CSSRuleList>,
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#[ignore_heap_size_of = "Arc"]
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style_stylesheet: Arc<StyleStyleSheet>,
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}
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impl CSSStyleSheet {
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fn new_inherited(owner: &Element,
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type_: DOMString,
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href: Option<DOMString>,
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title: Option<DOMString>,
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stylesheet: Arc<StyleStyleSheet>) -> CSSStyleSheet {
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CSSStyleSheet {
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stylesheet: StyleSheet::new_inherited(type_, href, title),
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owner: JS::from_ref(owner),
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rulelist: MutNullableJS::new(None),
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style_stylesheet: stylesheet,
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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,
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owner: &Element,
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type_: DOMString,
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href: Option<DOMString>,
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title: Option<DOMString>,
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stylesheet: Arc<StyleStyleSheet>) -> Root<CSSStyleSheet> {
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reflect_dom_object(box CSSStyleSheet::new_inherited(owner, type_, href, title, stylesheet),
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window,
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CSSStyleSheetBinding::Wrap)
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}
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fn rulelist(&self) -> Root<CSSRuleList> {
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self.rulelist.or_init(|| CSSRuleList::new(self.global().as_window(),
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self,
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RulesSource::Rules(self.style_stylesheet
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.rules.clone())))
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}
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pub fn disabled(&self) -> bool {
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self.style_stylesheet.disabled()
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}
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pub fn set_disabled(&self, disabled: bool) {
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if self.style_stylesheet.set_disabled(disabled) {
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self.global().as_window().Document().invalidate_stylesheets();
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}
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}
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pub fn style_stylesheet(&self) -> &StyleStyleSheet {
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&self.style_stylesheet
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}
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}
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impl CSSStyleSheetMethods for CSSStyleSheet {
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// https://drafts.csswg.org/cssom/#dom-cssstylesheet-cssrules
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fn CssRules(&self) -> Root<CSSRuleList> {
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// XXXManishearth check origin clean flag
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// https://github.com/servo/servo/issues/14327
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self.rulelist()
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}
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// https://drafts.csswg.org/cssom/#dom-cssstylesheet-insertrule
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fn InsertRule(&self, rule: DOMString, index: u32) -> Fallible<u32> {
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// XXXManishearth check origin clean flag
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self.rulelist().insert_rule(&rule, index, /* nested */ false)
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}
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// https://drafts.csswg.org/cssom/#dom-cssstylesheet-deleterule
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fn DeleteRule(&self, index: u32) -> ErrorResult {
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// XXXManishearth check origin clean flag
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self.rulelist().remove_rule(index)
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}
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}
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