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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, SharedRwLock};
use style::stylesheets::CssRules as StyleCssRules;
use crate::dom::bindings::codegen::Bindings::CSSConditionRuleBinding::CSSConditionRuleMethods;
use crate::dom::bindings::inheritance::Castable;
use crate::dom::bindings::str::DOMString;
use crate::dom::cssgroupingrule::CSSGroupingRule;
use crate::dom::cssmediarule::CSSMediaRule;
use crate::dom::cssstylesheet::CSSStyleSheet;
use crate::dom::csssupportsrule::CSSSupportsRule;
#[dom_struct]
pub(crate) struct CSSConditionRule {
cssgroupingrule: CSSGroupingRule,
#[ignore_malloc_size_of = "Arc"]
#[no_trace]
rules: Arc<Locked<StyleCssRules>>,
}
impl CSSConditionRule {
pub(crate) fn new_inherited(
parent_stylesheet: &CSSStyleSheet,
rules: Arc<Locked<StyleCssRules>>,
) -> CSSConditionRule {
CSSConditionRule {
cssgroupingrule: CSSGroupingRule::new_inherited(parent_stylesheet),
rules,
}
}
pub(crate) fn parent_stylesheet(&self) -> &CSSStyleSheet {
self.cssgroupingrule.parent_stylesheet()
}
pub(crate) fn shared_lock(&self) -> &SharedRwLock {
self.cssgroupingrule.shared_lock()
}
pub(crate) fn clone_rules(&self) -> Arc<Locked<StyleCssRules>> {
self.rules.clone()
}
}
impl CSSConditionRuleMethods<crate::DomTypeHolder> for CSSConditionRule {
/// <https://drafts.csswg.org/css-conditional-3/#dom-cssconditionrule-conditiontext>
fn ConditionText(&self) -> DOMString {
if let Some(rule) = self.downcast::<CSSMediaRule>() {
rule.get_condition_text()
} else if let Some(rule) = self.downcast::<CSSSupportsRule>() {
rule.get_condition_text()
} else {
unreachable!()
}
}
}
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