forked from mirrors/gecko-dev
195cdbea61
Source-Repo: https://github.com/servo/servo Source-Revision: 8c0f31e9fdf924e486ca7d0c8f14c4a027f0a5b3
60 lines
2.2 KiB
Rust
60 lines
2.2 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::CSSGroupingRuleBinding::CSSGroupingRuleMethods;
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use dom::bindings::error::{ErrorResult, Fallible};
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use dom::bindings::inheritance::Castable;
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use dom::bindings::js::{MutNullableJS, Root};
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use dom::bindings::reflector::DomObject;
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use dom::bindings::str::DOMString;
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use dom::cssrule::CSSRule;
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use dom::cssrulelist::{CSSRuleList, RulesSource};
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use dom::cssstylesheet::CSSStyleSheet;
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use parking_lot::RwLock;
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use std::sync::Arc;
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use style::stylesheets::CssRules as StyleCssRules;
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#[dom_struct]
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pub struct CSSGroupingRule {
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cssrule: CSSRule,
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#[ignore_heap_size_of = "Arc"]
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rules: Arc<RwLock<StyleCssRules>>,
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rulelist: MutNullableJS<CSSRuleList>,
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}
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impl CSSGroupingRule {
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pub fn new_inherited(parent_stylesheet: &CSSStyleSheet,
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rules: Arc<RwLock<StyleCssRules>>) -> CSSGroupingRule {
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CSSGroupingRule {
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cssrule: CSSRule::new_inherited(parent_stylesheet),
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rules: rules,
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rulelist: MutNullableJS::new(None),
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}
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}
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fn rulelist(&self) -> Root<CSSRuleList> {
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let parent_stylesheet = self.upcast::<CSSRule>().parent_stylesheet();
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self.rulelist.or_init(|| CSSRuleList::new(self.global().as_window(),
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parent_stylesheet,
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RulesSource::Rules(self.rules.clone())))
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}
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}
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impl CSSGroupingRuleMethods for CSSGroupingRule {
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// https://drafts.csswg.org/cssom/#dom-cssgroupingrule-cssrules
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fn CssRules(&self) -> Root<CSSRuleList> {
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// XXXManishearth check origin clean flag
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self.rulelist()
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}
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// https://drafts.csswg.org/cssom/#dom-cssgroupingrule-insertrule
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fn InsertRule(&self, rule: DOMString, index: u32) -> Fallible<u32> {
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self.rulelist().insert_rule(&rule, index, /* nested */ true)
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}
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// https://drafts.csswg.org/cssom/#dom-cssgroupingrule-deleterule
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fn DeleteRule(&self, index: u32) -> ErrorResult {
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self.rulelist().remove_rule(index)
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}
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}
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