servo/components/script/dom/cssmediarule.rs
Oriol Brufau b5bd416f7c
Make CSSConditionRule's conditionText readonly (#30768)
As per https://github.com/w3c/csswg-drafts/issues/6819

This will be needed for https://phabricator.services.mozilla.com/D179060

The test was created by Mozilla, but was not correctly synced into WPT.
2023-11-23 10:29:16 +00:00

96 lines
3.1 KiB
Rust

/* 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::{Locked, 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<Locked<MediaRule>>,
medialist: MutNullableDom<MediaList>,
}
impl CSSMediaRule {
fn new_inherited(
parent_stylesheet: &CSSStyleSheet,
mediarule: Arc<Locked<MediaRule>>,
) -> CSSMediaRule {
let guard = parent_stylesheet.shared_lock().read();
let list = mediarule.read_with(&guard).rules.clone();
CSSMediaRule {
cssconditionrule: CSSConditionRule::new_inherited(parent_stylesheet, list),
mediarule: mediarule,
medialist: MutNullableDom::new(None),
}
}
#[allow(unrooted_must_root)]
pub fn new(
window: &Window,
parent_stylesheet: &CSSStyleSheet,
mediarule: Arc<Locked<MediaRule>>,
) -> DomRoot<CSSMediaRule> {
reflect_dom_object(
Box::new(CSSMediaRule::new_inherited(parent_stylesheet, mediarule)),
window,
)
}
fn medialist(&self) -> DomRoot<MediaList> {
self.medialist.or_init(|| {
let guard = self.cssconditionrule.shared_lock().read();
MediaList::new(
self.global().as_window(),
self.cssconditionrule.parent_stylesheet(),
self.mediarule.read_with(&guard).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 rule = self.mediarule.read_with(&guard);
let list = rule.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
.read_with(&guard)
.to_css_string(&guard)
.into()
}
}
impl CSSMediaRuleMethods for CSSMediaRule {
// https://drafts.csswg.org/cssom/#dom-cssgroupingrule-media
fn Media(&self) -> DomRoot<MediaList> {
self.medialist()
}
}