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c94ac5bccb
* script: Move Reflector to script_bindings. Signed-off-by: Josh Matthews <josh@joshmatthews.net> * script: Extract global() helper from DomObject into new trait. Move DomObject and related traits to script_bindings. Signed-off-by: Josh Matthews <josh@joshmatthews.net> --------- Signed-off-by: Josh Matthews <josh@joshmatthews.net>
89 lines
3 KiB
Rust
89 lines
3 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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use dom_struct::dom_struct;
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use servo_arc::Arc;
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use style::shared_lock::{Locked, SharedRwLock};
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use style::stylesheets::{CssRuleType, CssRuleTypes, CssRules as StyleCssRules};
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use crate::dom::bindings::codegen::Bindings::CSSGroupingRuleBinding::CSSGroupingRuleMethods;
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use crate::dom::bindings::error::{ErrorResult, Fallible};
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use crate::dom::bindings::inheritance::Castable;
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use crate::dom::bindings::reflector::DomGlobal;
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use crate::dom::bindings::root::{DomRoot, MutNullableDom};
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use crate::dom::bindings::str::DOMString;
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use crate::dom::cssrule::CSSRule;
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use crate::dom::cssrulelist::{CSSRuleList, RulesSource};
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use crate::dom::cssstylesheet::CSSStyleSheet;
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#[dom_struct]
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pub(crate) struct CSSGroupingRule {
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cssrule: CSSRule,
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#[ignore_malloc_size_of = "Arc"]
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#[no_trace]
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rules: Arc<Locked<StyleCssRules>>,
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rulelist: MutNullableDom<CSSRuleList>,
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}
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impl CSSGroupingRule {
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pub(crate) fn new_inherited(
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parent_stylesheet: &CSSStyleSheet,
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rules: Arc<Locked<StyleCssRules>>,
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) -> CSSGroupingRule {
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CSSGroupingRule {
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cssrule: CSSRule::new_inherited(parent_stylesheet),
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rules,
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rulelist: MutNullableDom::new(None),
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}
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}
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fn rulelist(&self) -> DomRoot<CSSRuleList> {
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let parent_stylesheet = self.upcast::<CSSRule>().parent_stylesheet();
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self.rulelist.or_init(|| {
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CSSRuleList::new(
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self.global().as_window(),
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parent_stylesheet,
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RulesSource::Rules(self.rules.clone()),
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)
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})
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}
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pub(crate) fn parent_stylesheet(&self) -> &CSSStyleSheet {
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self.cssrule.parent_stylesheet()
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}
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pub(crate) fn shared_lock(&self) -> &SharedRwLock {
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self.cssrule.shared_lock()
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}
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}
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impl CSSGroupingRuleMethods<crate::DomTypeHolder> for CSSGroupingRule {
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// https://drafts.csswg.org/cssom/#dom-cssgroupingrule-cssrules
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fn CssRules(&self) -> DomRoot<CSSRuleList> {
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// XXXManishearth check origin clean flag
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self.rulelist()
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}
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// https://drafts.csswg.org/cssom/#dom-cssgroupingrule-insertrule
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fn InsertRule(&self, rule: DOMString, index: u32) -> Fallible<u32> {
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// TODO: this should accumulate the rule types of all ancestors.
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let rule_type = self.cssrule.as_specific().ty();
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let containing_rule_types = CssRuleTypes::from(rule_type);
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let parse_relative_rule_type = match rule_type {
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CssRuleType::Style | CssRuleType::Scope => Some(rule_type),
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_ => None,
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};
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self.rulelist().insert_rule(
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&rule,
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index,
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containing_rule_types,
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parse_relative_rule_type,
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)
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}
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// https://drafts.csswg.org/cssom/#dom-cssgroupingrule-deleterule
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fn DeleteRule(&self, index: u32) -> ErrorResult {
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self.rulelist().remove_rule(index)
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}
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}
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