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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::{Locked, ToCssWithGuard};
use style::stylesheets::import_rule::ImportLayer;
use style::stylesheets::ImportRule;
use style_traits::ToCss;
use crate::dom::bindings::codegen::Bindings::CSSImportRuleBinding::CSSImportRuleMethods;
use crate::dom::bindings::reflector::reflect_dom_object;
use crate::dom::bindings::root::DomRoot;
use crate::dom::bindings::str::DOMString;
use crate::dom::cssrule::{CSSRule, SpecificCSSRule};
use crate::dom::cssstylesheet::CSSStyleSheet;
use crate::dom::window::Window;
#[dom_struct]
pub struct CSSImportRule {
cssrule: CSSRule,
#[ignore_malloc_size_of = "Arc"]
#[no_trace]
import_rule: Arc<Locked<ImportRule>>,
}
impl CSSImportRule {
fn new_inherited(
parent_stylesheet: &CSSStyleSheet,
import_rule: Arc<Locked<ImportRule>>,
) -> Self {
CSSImportRule {
cssrule: CSSRule::new_inherited(parent_stylesheet),
import_rule,
}
}
#[allow(crown::unrooted_must_root)]
pub fn new(
window: &Window,
parent_stylesheet: &CSSStyleSheet,
import_rule: Arc<Locked<ImportRule>>,
) -> DomRoot<Self> {
reflect_dom_object(
Box::new(Self::new_inherited(parent_stylesheet, import_rule)),
window,
)
}
}
impl SpecificCSSRule for CSSImportRule {
fn ty(&self) -> u16 {
use crate::dom::bindings::codegen::Bindings::CSSRuleBinding::CSSRuleConstants;
CSSRuleConstants::IMPORT_RULE
}
fn get_css(&self) -> DOMString {
let guard = self.cssrule.shared_lock().read();
self.import_rule
.read_with(&guard)
.to_css_string(&guard)
.into()
}
}
impl CSSImportRuleMethods for CSSImportRule {
/// <https://drafts.csswg.org/cssom-1/#dom-cssimportrule-layername>
fn GetLayerName(&self) -> Option<DOMString> {
let guard = self.cssrule.shared_lock().read();
match &self.import_rule.read_with(&guard).layer {
ImportLayer::None => None,
ImportLayer::Anonymous => Some(DOMString::new()),
ImportLayer::Named(name) => Some(DOMString::from_string(name.to_css_string())),
}
}
}
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