forked from mirrors/gecko-dev
4d50e21cf3
<!-- Please describe your changes on the following line: --> --- <!-- Thank you for contributing to Servo! Please replace each `[ ]` by `[X]` when the step is complete, and replace `__` with appropriate data: --> - [x] `./mach build -d` does not report any errors - [x] `./mach test-tidy` does not report any errors - [ ] These changes fix #__ (github issue number if applicable). <!-- Either: --> - [ ] There are tests for these changes OR - [ ] These changes do not require tests because _____ <!-- Pull requests that do not address these steps are welcome, but they will require additional verification as part of the review process. --> Source-Repo: https://github.com/servo/servo Source-Revision: 40917e7991ddd0f1fdcf83f0bf637a721f37256a
67 lines
2.6 KiB
Rust
67 lines
2.6 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 http://mozilla.org/MPL/2.0/. */
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use dom::bindings::codegen::Bindings::CSSGroupingRuleBinding;
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use dom::bindings::codegen::Bindings::CSSGroupingRuleBinding::CSSGroupingRuleMethods;
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use dom::bindings::error::{ErrorResult, Fallible};
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use dom::bindings::inheritance::Castable;
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use dom::bindings::js::{JS, MutNullableHeap, Root};
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use dom::bindings::reflector::{Reflectable, reflect_dom_object};
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use dom::bindings::str::DOMString;
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use dom::cssrule::CSSRule;
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use dom::cssrulelist::{CSSRuleList, RulesSource};
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use dom::cssstylesheet::CSSStyleSheet;
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use dom::window::Window;
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use style::stylesheets::CssRules as StyleCssRules;
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#[dom_struct]
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pub struct CSSGroupingRule {
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cssrule: CSSRule,
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#[ignore_heap_size_of = "Arc"]
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rules: StyleCssRules,
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rulelist: MutNullableHeap<JS<CSSRuleList>>,
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}
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impl CSSGroupingRule {
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pub fn new_inherited(parent_stylesheet: &CSSStyleSheet,
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rules: StyleCssRules) -> CSSGroupingRule {
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CSSGroupingRule {
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cssrule: CSSRule::new_inherited(parent_stylesheet),
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rules: rules,
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rulelist: MutNullableHeap::new(None),
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}
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}
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#[allow(unrooted_must_root)]
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pub fn new(window: &Window, parent_stylesheet: &CSSStyleSheet, rules: StyleCssRules) -> Root<CSSGroupingRule> {
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reflect_dom_object(box CSSGroupingRule::new_inherited(parent_stylesheet, rules),
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window,
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CSSGroupingRuleBinding::Wrap)
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}
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fn rulelist(&self) -> Root<CSSRuleList> {
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let parent_stylesheet = self.upcast::<CSSRule>().parent_stylesheet();
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self.rulelist.or_init(|| CSSRuleList::new(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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impl CSSGroupingRuleMethods for CSSGroupingRule {
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// https://drafts.csswg.org/cssom/#dom-cssgroupingrule-cssrules
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fn CssRules(&self) -> Root<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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self.rulelist().insert_rule(&rule, index, /* nested */ true)
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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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