forked from mirrors/gecko-dev
2ceea176d4
<!-- 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 - [x] These changes fix #14209 (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: d05cae5072fae2b3469a69119365aca4220e3394
71 lines
2.6 KiB
Rust
71 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::CSSStyleRuleBinding::{self, CSSStyleRuleMethods};
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use dom::bindings::js::{JS, MutNullableJS, Root};
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use dom::bindings::reflector::{DomObject, reflect_dom_object};
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use dom::bindings::str::DOMString;
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use dom::cssrule::{CSSRule, SpecificCSSRule};
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use dom::cssstyledeclaration::{CSSModificationAccess, CSSStyleDeclaration, CSSStyleOwner};
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use dom::cssstylesheet::CSSStyleSheet;
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use dom::window::Window;
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use parking_lot::RwLock;
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use std::sync::Arc;
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use style::stylesheets::StyleRule;
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use style_traits::ToCss;
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#[dom_struct]
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pub struct CSSStyleRule {
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cssrule: CSSRule,
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#[ignore_heap_size_of = "Arc"]
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stylerule: Arc<RwLock<StyleRule>>,
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style_decl: MutNullableJS<CSSStyleDeclaration>,
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}
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impl CSSStyleRule {
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fn new_inherited(parent_stylesheet: &CSSStyleSheet, stylerule: Arc<RwLock<StyleRule>>)
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-> CSSStyleRule {
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CSSStyleRule {
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cssrule: CSSRule::new_inherited(parent_stylesheet),
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stylerule: stylerule,
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style_decl: Default::default(),
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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,
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stylerule: Arc<RwLock<StyleRule>>) -> Root<CSSStyleRule> {
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reflect_dom_object(box CSSStyleRule::new_inherited(parent_stylesheet, stylerule),
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window,
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CSSStyleRuleBinding::Wrap)
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}
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pub fn style_rule(&self) -> Arc<RwLock<StyleRule>> {
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self.stylerule.clone()
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}
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}
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impl SpecificCSSRule for CSSStyleRule {
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fn ty(&self) -> u16 {
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use dom::bindings::codegen::Bindings::CSSRuleBinding::CSSRuleConstants;
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CSSRuleConstants::STYLE_RULE
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}
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fn get_css(&self) -> DOMString {
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self.stylerule.read().to_css_string().into()
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}
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}
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impl CSSStyleRuleMethods for CSSStyleRule {
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// https://drafts.csswg.org/cssom/#dom-cssstylerule-style
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fn Style(&self) -> Root<CSSStyleDeclaration> {
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self.style_decl.or_init(|| {
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CSSStyleDeclaration::new(self.global().as_window(),
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CSSStyleOwner::CSSStyleRule(JS::from_ref(self.global().as_window()),
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self.stylerule.read().block.clone()),
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None,
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CSSModificationAccess::ReadWrite)
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})
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}
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}
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