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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 https://mozilla.org/MPL/2.0/. */
use dom_struct::dom_struct;
use servo_arc::Arc;
use style::shared_lock::ToCssWithGuard;
use style::stylesheets::MediaRule;
use style_traits::ToCss;
use crate::dom::bindings::codegen::Bindings::CSSMediaRuleBinding::CSSMediaRuleMethods;
use crate::dom::bindings::reflector::{reflect_dom_object, DomObject};
use crate::dom::bindings::root::{DomRoot, MutNullableDom};
use crate::dom::bindings::str::DOMString;
use crate::dom::cssconditionrule::CSSConditionRule;
use crate::dom::cssrule::SpecificCSSRule;
use crate::dom::cssstylesheet::CSSStyleSheet;
use crate::dom::medialist::MediaList;
use crate::dom::window::Window;
#[dom_struct]
pub struct CSSMediaRule {
cssconditionrule: CSSConditionRule,
#[ignore_malloc_size_of = "Arc"]
#[no_trace]
mediarule: Arc<MediaRule>,
medialist: MutNullableDom<MediaList>,
}
impl CSSMediaRule {
fn new_inherited(parent_stylesheet: &CSSStyleSheet, mediarule: Arc<MediaRule>) -> CSSMediaRule {
let list = mediarule.rules.clone();
CSSMediaRule {
cssconditionrule: CSSConditionRule::new_inherited(parent_stylesheet, list),
mediarule,
medialist: MutNullableDom::new(None),
}
}
#[allow(crown::unrooted_must_root)]
pub fn new(
window: &Window,
parent_stylesheet: &CSSStyleSheet,
mediarule: Arc<MediaRule>,
) -> DomRoot<CSSMediaRule> {
reflect_dom_object(
Box::new(CSSMediaRule::new_inherited(parent_stylesheet, mediarule)),
window,
)
}
fn medialist(&self) -> DomRoot<MediaList> {
self.medialist.or_init(|| {
MediaList::new(
self.global().as_window(),
self.cssconditionrule.parent_stylesheet(),
self.mediarule.media_queries.clone(),
)
})
}
/// <https://drafts.csswg.org/css-conditional-3/#the-cssmediarule-interface>
pub fn get_condition_text(&self) -> DOMString {
let guard = self.cssconditionrule.shared_lock().read();
let list = self.mediarule.media_queries.read_with(&guard);
list.to_css_string().into()
}
}
impl SpecificCSSRule for CSSMediaRule {
fn ty(&self) -> u16 {
use crate::dom::bindings::codegen::Bindings::CSSRuleBinding::CSSRuleConstants;
CSSRuleConstants::MEDIA_RULE
}
fn get_css(&self) -> DOMString {
let guard = self.cssconditionrule.shared_lock().read();
self.mediarule.to_css_string(&guard).into()
}
}
impl CSSMediaRuleMethods for CSSMediaRule {
// https://drafts.csswg.org/cssom/#dom-cssgroupingrule-media
fn Media(&self) -> DomRoot<MediaList> {
self.medialist()
}
}
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