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Add insertRule() and deleteRule() on CSSStyleSheet

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This commit is contained in:
Manish Goregaokar 2016-11-15 15:41:29 -08:00
parent c4b7cc863e
commit 1d20d75cb2
5 changed files with 160 additions and 10 deletions
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22
components/script/dom/cssstylesheet.rs
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@ -4,6 +4,7 @@
use dom::bindings::codegen::Bindings::CSSStyleSheetBinding;
use dom::bindings::codegen::Bindings::CSSStyleSheetBinding::CSSStyleSheetMethods;
use dom::bindings::error::{ErrorResult, Fallible};
use dom::bindings::js::{JS, Root, MutNullableHeap};
use dom::bindings::reflector::{reflect_dom_object, Reflectable};
use dom::bindings::str::DOMString;
@ -40,12 +41,31 @@ impl CSSStyleSheet {
window,
CSSStyleSheetBinding::Wrap)
}
fn rulelist(&self) -> Root<CSSRuleList> {
self.rulelist.or_init(|| CSSRuleList::new(self.global().as_window(),
self,
self.style_stylesheet.rules.clone()))
}
}
impl CSSStyleSheetMethods for CSSStyleSheet {
// https://drafts.csswg.org/cssom/#dom-cssstylesheet-cssrules
fn CssRules(&self) -> Root<CSSRuleList> {
self.rulelist.or_init(|| CSSRuleList::new(self.global().as_window(), self, self.style_stylesheet.rules.clone()))
// XXXManishearth check origin clean flag
self.rulelist()
}
// https://drafts.csswg.org/cssom/#dom-cssstylesheet-insertrule
fn InsertRule(&self, rule: DOMString, index: u32) -> Fallible<u32> {
// XXXManishearth check origin clean flag
self.rulelist().insert_rule(&rule, index)
}
// https://drafts.csswg.org/cssom/#dom-cssstylesheet-deleterule
fn DeleteRule(&self, index: u32) -> ErrorResult {
// XXXManishearth check origin clean flag
self.rulelist().remove_rule(index)
}
}