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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use dom::bindings::codegen::Bindings::CSSGroupingRuleBinding::CSSGroupingRuleMethods;
use dom::bindings::error::{ErrorResult, Fallible};
use dom::bindings::inheritance::Castable;
use dom::bindings::js::{MutNullableJS, Root};
use dom::bindings::reflector::DomObject;
use dom::bindings::str::DOMString;
use dom::cssrule::CSSRule;
use dom::cssrulelist::{CSSRuleList, RulesSource};
use dom::cssstylesheet::CSSStyleSheet;
use dom_struct::dom_struct;
use style::shared_lock::{SharedRwLock, Locked};
use style::stylearc::Arc;
use style::stylesheets::CssRules as StyleCssRules;
#[dom_struct]
pub struct CSSGroupingRule {
cssrule: CSSRule,
#[ignore_heap_size_of = "Arc"]
rules: Arc<Locked<StyleCssRules>>,
rulelist: MutNullableJS<CSSRuleList>,
}
impl CSSGroupingRule {
pub fn new_inherited(parent_stylesheet: &CSSStyleSheet,
rules: Arc<Locked<StyleCssRules>>) -> CSSGroupingRule {
CSSGroupingRule {
cssrule: CSSRule::new_inherited(parent_stylesheet),
rules: rules,
rulelist: MutNullableJS::new(None),
}
}
fn rulelist(&self) -> Root<CSSRuleList> {
let parent_stylesheet = self.upcast::<CSSRule>().parent_stylesheet();
self.rulelist.or_init(|| CSSRuleList::new(self.global().as_window(),
parent_stylesheet,
RulesSource::Rules(self.rules.clone())))
}
pub fn parent_stylesheet(&self) -> &CSSStyleSheet {
self.cssrule.parent_stylesheet()
}
pub fn shared_lock(&self) -> &SharedRwLock {
self.cssrule.shared_lock()
}
}
impl CSSGroupingRuleMethods for CSSGroupingRule {
// https://drafts.csswg.org/cssom/#dom-cssgroupingrule-cssrules
fn CssRules(&self) -> Root<CSSRuleList> {
// XXXManishearth check origin clean flag
self.rulelist()
}
// https://drafts.csswg.org/cssom/#dom-cssgroupingrule-insertrule
fn InsertRule(&self, rule: DOMString, index: u32) -> Fallible<u32> {
self.rulelist().insert_rule(&rule, index, /* nested */ true)
}
// https://drafts.csswg.org/cssom/#dom-cssgroupingrule-deleterule
fn DeleteRule(&self, index: u32) -> ErrorResult {
self.rulelist().remove_rule(index)
}
}
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