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Implement CSSStyleRule.style

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This commit is contained in:
Keith Yeung 2016-11-21 00:07:23 -08:00
parent f6163c77b9
commit 4738ce1af5
6 changed files with 175 additions and 123 deletions
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26
components/script/dom/cssstylerule.rs
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@ -2,11 +2,12 @@
* 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::CSSStyleRuleBinding;
use dom::bindings::js::Root;
use dom::bindings::reflector::reflect_dom_object;
use dom::bindings::codegen::Bindings::CSSStyleRuleBinding::{self, CSSStyleRuleMethods};
use dom::bindings::js::{JS, MutNullableJS, Root};
use dom::bindings::reflector::{DomObject, reflect_dom_object};
use dom::bindings::str::DOMString;
use dom::cssrule::{CSSRule, SpecificCSSRule};
use dom::cssstyledeclaration::{CSSModificationAccess, CSSStyleDeclaration, CSSStyleOwner};
use dom::cssstylesheet::CSSStyleSheet;
use dom::window::Window;
use parking_lot::RwLock;
@ -19,6 +20,7 @@ pub struct CSSStyleRule {
cssrule: CSSRule,
#[ignore_heap_size_of = "Arc"]
stylerule: Arc<RwLock<StyleRule>>,
style_decl: MutNullableJS<CSSStyleDeclaration>,
}
impl CSSStyleRule {
@ -27,6 +29,7 @@ impl CSSStyleRule {
CSSStyleRule {
cssrule: CSSRule::new_inherited(parent_stylesheet),
stylerule: stylerule,
style_decl: Default::default(),
}
}
@ -37,6 +40,10 @@ impl CSSStyleRule {
window,
CSSStyleRuleBinding::Wrap)
}
pub fn style_rule(&self) -> Arc<RwLock<StyleRule>> {
self.stylerule.clone()
}
}
impl SpecificCSSRule for CSSStyleRule {
@ -49,3 +56,16 @@ impl SpecificCSSRule for CSSStyleRule {
self.stylerule.read().to_css_string().into()
}
}
impl CSSStyleRuleMethods for CSSStyleRule {
// https://drafts.csswg.org/cssom/#dom-cssstylerule-style
fn Style(&self) -> Root<CSSStyleDeclaration> {
self.style_decl.or_init(|| {
CSSStyleDeclaration::new(self.global().as_window(),
CSSStyleOwner::CSSStyleRule(JS::from_ref(self.global().as_window()),
self.stylerule.read().block.clone()),
None,
CSSModificationAccess::ReadWrite)
})
}
}