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Add support for keyframe-backed CSSRules, CSSKeyframesRule.cssRules and CSSKeyframeRule

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This commit is contained in:
Manish Goregaokar 2016-11-16 16:22:42 -08:00
parent 2793d5f0a9
commit 52a3a71be3
8 changed files with 143 additions and 18 deletions
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23
components/script/dom/csskeyframesrule.rs
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@ -3,10 +3,14 @@
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use dom::bindings::codegen::Bindings::CSSKeyframesRuleBinding;
use dom::bindings::js::Root;
use dom::bindings::reflector::reflect_dom_object;
use dom::bindings::codegen::Bindings::CSSKeyframesRuleBinding::CSSKeyframesRuleMethods;
use dom::bindings::codegen::Bindings::CSSRuleBinding::CSSRuleMethods;
use dom::bindings::inheritance::Castable;
use dom::bindings::js::{JS, MutNullableHeap, Root};
use dom::bindings::reflector::{Reflectable, reflect_dom_object};
use dom::bindings::str::DOMString;
use dom::cssrule::{CSSRule, SpecificCSSRule};
use dom::cssrulelist::{CSSRuleList, RulesSource};
use dom::cssstylesheet::CSSStyleSheet;
use dom::window::Window;
use parking_lot::RwLock;
@ -19,6 +23,7 @@ pub struct CSSKeyframesRule {
cssrule: CSSRule,
#[ignore_heap_size_of = "Arc"]
keyframesrule: Arc<RwLock<KeyframesRule>>,
rulelist: MutNullableHeap<JS<CSSRuleList>>,
}
impl CSSKeyframesRule {
@ -26,6 +31,7 @@ impl CSSKeyframesRule {
CSSKeyframesRule {
cssrule: CSSRule::new_inherited(parent),
keyframesrule: keyframesrule,
rulelist: MutNullableHeap::new(None),
}
}
@ -36,6 +42,19 @@ impl CSSKeyframesRule {
window,
CSSKeyframesRuleBinding::Wrap)
}
fn rulelist(&self) -> Root<CSSRuleList> {
self.rulelist.or_init(|| CSSRuleList::new(self.global().as_window(),
// temporary unwrap
&self.upcast::<CSSRule>().GetParentStyleSheet().unwrap(),
RulesSource::Keyframes(self.keyframesrule.clone())))
}
}
impl CSSKeyframesRuleMethods for CSSKeyframesRule {
fn CssRules(&self) -> Root<CSSRuleList> {
self.rulelist()
}
}
impl SpecificCSSRule for CSSKeyframesRule {