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f9e154af55
`CSSRule::Type()` returns an u16 for CSSOM. `InsertRule()` was incorrectly using this to create a `CssRuleTypes`. Instead of `CssRuleTypes::from_bits(rule_type)`, it should be something like `CssRuleTypes::from_bits(1 << rule_type)`. However, that would only work when `Type()` provides an actual value, which per https://drafts.csswg.org/cssom/#dom-cssrule-type only happens for old rule types. New rule types just return 0. Therefore, this patch changes the signature of `SpecificCSSRule::ty()` to return the actual `CssRuleType`, and then `CSSRule::Type()` can zero it out when necessary. The fix is only relevant for CSS Nesting, which is currently disabled on Servo, so no test is necessary. <!-- 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 do not require tests because the fix is only relevant for CSS Nesting, which is currently disabled <!-- Also, please make sure that "Allow edits from maintainers" checkbox is checked, so that we can help you if you get stuck somewhere along the way.--> <!-- Pull requests that do not address these steps are welcome, but they will require additional verification as part of the review process. -->
78 lines
2.3 KiB
Rust
78 lines
2.3 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::ToCssWithGuard;
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use style::stylesheets::{CssRuleType, LayerBlockRule};
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use style_traits::ToCss;
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use crate::dom::bindings::codegen::Bindings::CSSLayerBlockRuleBinding::CSSLayerBlockRuleMethods;
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use crate::dom::bindings::reflector::reflect_dom_object;
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use crate::dom::bindings::root::DomRoot;
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use crate::dom::bindings::str::DOMString;
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use crate::dom::cssgroupingrule::CSSGroupingRule;
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use crate::dom::cssrule::SpecificCSSRule;
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use crate::dom::cssstylesheet::CSSStyleSheet;
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use crate::dom::window::Window;
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#[dom_struct]
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pub struct CSSLayerBlockRule {
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cssgroupingrule: CSSGroupingRule,
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#[ignore_malloc_size_of = "Arc"]
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#[no_trace]
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layerblockrule: Arc<LayerBlockRule>,
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}
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impl CSSLayerBlockRule {
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pub fn new_inherited(
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parent_stylesheet: &CSSStyleSheet,
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layerblockrule: Arc<LayerBlockRule>,
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) -> CSSLayerBlockRule {
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CSSLayerBlockRule {
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cssgroupingrule: CSSGroupingRule::new_inherited(
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parent_stylesheet,
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layerblockrule.rules.clone(),
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),
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layerblockrule,
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}
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}
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#[allow(crown::unrooted_must_root)]
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pub fn new(
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window: &Window,
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parent_stylesheet: &CSSStyleSheet,
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layerblockrule: Arc<LayerBlockRule>,
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) -> DomRoot<CSSLayerBlockRule> {
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reflect_dom_object(
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Box::new(CSSLayerBlockRule::new_inherited(
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parent_stylesheet,
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layerblockrule,
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)),
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window,
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)
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}
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}
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impl SpecificCSSRule for CSSLayerBlockRule {
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fn ty(&self) -> CssRuleType {
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CssRuleType::LayerBlock
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}
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fn get_css(&self) -> DOMString {
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let guard = self.cssgroupingrule.shared_lock().read();
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self.layerblockrule.to_css_string(&guard).into()
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}
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}
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impl CSSLayerBlockRuleMethods for CSSLayerBlockRule {
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/// <https://drafts.csswg.org/css-cascade-5/#dom-csslayerblockrule-name>
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fn Name(&self) -> DOMString {
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if let Some(name) = &self.layerblockrule.name {
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DOMString::from_string(name.to_css_string())
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} else {
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DOMString::new()
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}
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}
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}
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