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72 lines
2.6 KiB
Rust
72 lines
2.6 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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use dom::bindings::codegen::Bindings::CSSKeyframesRuleBinding;
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use dom::bindings::codegen::Bindings::CSSKeyframesRuleBinding::CSSKeyframesRuleMethods;
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use dom::bindings::codegen::Bindings::CSSRuleBinding::CSSRuleMethods;
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use dom::bindings::inheritance::Castable;
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use dom::bindings::js::{JS, MutNullableHeap, Root};
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use dom::bindings::reflector::{Reflectable, reflect_dom_object};
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use dom::bindings::str::DOMString;
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use dom::cssrule::{CSSRule, SpecificCSSRule};
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use dom::cssrulelist::{CSSRuleList, RulesSource};
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use dom::cssstylesheet::CSSStyleSheet;
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use dom::window::Window;
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use parking_lot::RwLock;
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use std::sync::Arc;
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use style::stylesheets::KeyframesRule;
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use style_traits::ToCss;
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#[dom_struct]
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pub struct CSSKeyframesRule {
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cssrule: CSSRule,
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#[ignore_heap_size_of = "Arc"]
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keyframesrule: Arc<RwLock<KeyframesRule>>,
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rulelist: MutNullableHeap<JS<CSSRuleList>>,
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}
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impl CSSKeyframesRule {
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fn new_inherited(parent: Option<&CSSStyleSheet>, keyframesrule: Arc<RwLock<KeyframesRule>>) -> CSSKeyframesRule {
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CSSKeyframesRule {
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cssrule: CSSRule::new_inherited(parent),
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keyframesrule: keyframesrule,
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rulelist: MutNullableHeap::new(None),
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}
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}
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#[allow(unrooted_must_root)]
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pub fn new(window: &Window, parent: Option<&CSSStyleSheet>,
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keyframesrule: Arc<RwLock<KeyframesRule>>) -> Root<CSSKeyframesRule> {
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reflect_dom_object(box CSSKeyframesRule::new_inherited(parent, keyframesrule),
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window,
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CSSKeyframesRuleBinding::Wrap)
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}
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fn rulelist(&self) -> Root<CSSRuleList> {
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self.rulelist.or_init(|| {
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let sheet = self.upcast::<CSSRule>().GetParentStyleSheet();
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let sheet = sheet.as_ref().map(|s| &**s);
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CSSRuleList::new(self.global().as_window(),
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sheet,
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RulesSource::Keyframes(self.keyframesrule.clone()))
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})
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}
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}
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impl CSSKeyframesRuleMethods for CSSKeyframesRule {
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fn CssRules(&self) -> Root<CSSRuleList> {
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self.rulelist()
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}
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}
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impl SpecificCSSRule for CSSKeyframesRule {
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fn ty(&self) -> u16 {
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use dom::bindings::codegen::Bindings::CSSRuleBinding::CSSRuleConstants;
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CSSRuleConstants::KEYFRAMES_RULE
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}
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fn get_css(&self) -> DOMString {
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self.keyframesrule.read().to_css_string().into()
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}
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}
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