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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::CSSKeyframesRuleBinding;
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;
use std::sync::Arc;
use style::stylesheets::KeyframesRule;
use style_traits::ToCss;
#[dom_struct]
pub struct CSSKeyframesRule {
cssrule: CSSRule,
#[ignore_heap_size_of = "Arc"]
keyframesrule: Arc<RwLock<KeyframesRule>>,
rulelist: MutNullableHeap<JS<CSSRuleList>>,
}
impl CSSKeyframesRule {
fn new_inherited(parent: Option<&CSSStyleSheet>, keyframesrule: Arc<RwLock<KeyframesRule>>) -> CSSKeyframesRule {
CSSKeyframesRule {
cssrule: CSSRule::new_inherited(parent),
keyframesrule: keyframesrule,
rulelist: MutNullableHeap::new(None),
}
}
#[allow(unrooted_must_root)]
pub fn new(window: &Window, parent: Option<&CSSStyleSheet>,
keyframesrule: Arc<RwLock<KeyframesRule>>) -> Root<CSSKeyframesRule> {
reflect_dom_object(box CSSKeyframesRule::new_inherited(parent, keyframesrule),
window,
CSSKeyframesRuleBinding::Wrap)
}
fn rulelist(&self) -> Root<CSSRuleList> {
self.rulelist.or_init(|| {
let sheet = self.upcast::<CSSRule>().GetParentStyleSheet();
let sheet = sheet.as_ref().map(|s| &**s);
CSSRuleList::new(self.global().as_window(),
sheet,
RulesSource::Keyframes(self.keyframesrule.clone()))
})
}
}
impl CSSKeyframesRuleMethods for CSSKeyframesRule {
fn CssRules(&self) -> Root<CSSRuleList> {
self.rulelist()
}
}
impl SpecificCSSRule for CSSKeyframesRule {
fn ty(&self) -> u16 {
use dom::bindings::codegen::Bindings::CSSRuleBinding::CSSRuleConstants;
CSSRuleConstants::KEYFRAMES_RULE
}
fn get_css(&self) -> DOMString {
self.keyframesrule.read().to_css_string().into()
}
}
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