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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::CSSKeyframeRuleBinding::{self, CSSKeyframeRuleMethods};
use dom::bindings::inheritance::Castable;
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 dom_struct::dom_struct;
use std::sync::Arc;
use style::keyframes::Keyframe;
use style::shared_lock::{Locked, ToCssWithGuard};
#[dom_struct]
pub struct CSSKeyframeRule {
cssrule: CSSRule,
#[ignore_heap_size_of = "Arc"]
keyframerule: Arc<Locked<Keyframe>>,
style_decl: MutNullableJS<CSSStyleDeclaration>,
}
impl CSSKeyframeRule {
fn new_inherited(parent_stylesheet: &CSSStyleSheet, keyframerule: Arc<Locked<Keyframe>>)
-> CSSKeyframeRule {
CSSKeyframeRule {
cssrule: CSSRule::new_inherited(parent_stylesheet),
keyframerule: keyframerule,
style_decl: Default::default(),
}
}
#[allow(unrooted_must_root)]
pub fn new(window: &Window, parent_stylesheet: &CSSStyleSheet,
keyframerule: Arc<Locked<Keyframe>>) -> Root<CSSKeyframeRule> {
reflect_dom_object(box CSSKeyframeRule::new_inherited(parent_stylesheet, keyframerule),
window,
CSSKeyframeRuleBinding::Wrap)
}
}
impl CSSKeyframeRuleMethods for CSSKeyframeRule {
// https://drafts.csswg.org/css-animations/#dom-csskeyframerule-style
fn Style(&self) -> Root<CSSStyleDeclaration> {
self.style_decl.or_init(|| {
let guard = self.cssrule.shared_lock().read();
CSSStyleDeclaration::new(
self.global().as_window(),
CSSStyleOwner::CSSRule(
JS::from_ref(self.upcast()),
self.keyframerule.read_with(&guard).block.clone(),
),
None,
CSSModificationAccess::ReadWrite,
)
})
}
}
impl SpecificCSSRule for CSSKeyframeRule {
fn ty(&self) -> u16 {
use dom::bindings::codegen::Bindings::CSSRuleBinding::CSSRuleConstants;
CSSRuleConstants::KEYFRAME_RULE
}
fn get_css(&self) -> DOMString {
let guard = self.cssrule.shared_lock().read();
self.keyframerule.read_with(&guard).to_css_string(&guard).into()
}
}
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