script/dom/css/
csslayerstatementrule.rs

1/* This Source Code Form is subject to the terms of the Mozilla Public
2 * License, v. 2.0. If a copy of the MPL was not distributed with this
3 * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
4
5use std::cell::RefCell;
6
7use dom_struct::dom_struct;
8use js::context::JSContext;
9use js::rust::MutableHandleValue;
10use script_bindings::reflector::reflect_dom_object_with_cx;
11use servo_arc::Arc;
12use style::shared_lock::ToCssWithGuard;
13use style::stylesheets::{CssRuleType, LayerStatementRule};
14use style_traits::ToCss;
15
16use super::cssrule::{CSSRule, SpecificCSSRule};
17use super::cssstylesheet::CSSStyleSheet;
18use crate::dom::bindings::codegen::Bindings::CSSLayerStatementRuleBinding::CSSLayerStatementRuleMethods;
19use crate::dom::bindings::root::DomRoot;
20use crate::dom::bindings::str::DOMString;
21use crate::dom::bindings::utils::to_frozen_array;
22use crate::dom::types::CSSGroupingRule;
23use crate::dom::window::Window;
24
25#[dom_struct]
26pub(crate) struct CSSLayerStatementRule {
27    css_rule: CSSRule,
28    #[ignore_malloc_size_of = "Stylo"]
29    #[no_trace]
30    layer_statement_rule: RefCell<Arc<LayerStatementRule>>,
31}
32
33impl CSSLayerStatementRule {
34    pub(crate) fn new_inherited(
35        parent_rule: Option<&CSSGroupingRule>,
36        parent_stylesheet: &CSSStyleSheet,
37        layerstatementrule: Arc<LayerStatementRule>,
38    ) -> CSSLayerStatementRule {
39        CSSLayerStatementRule {
40            css_rule: CSSRule::new_inherited(parent_rule, parent_stylesheet),
41            layer_statement_rule: RefCell::new(layerstatementrule),
42        }
43    }
44
45    pub(crate) fn new(
46        cx: &mut JSContext,
47        window: &Window,
48        parent_rule: Option<&CSSGroupingRule>,
49        parent_stylesheet: &CSSStyleSheet,
50        layerstatementrule: Arc<LayerStatementRule>,
51    ) -> DomRoot<CSSLayerStatementRule> {
52        reflect_dom_object_with_cx(
53            Box::new(CSSLayerStatementRule::new_inherited(
54                parent_rule,
55                parent_stylesheet,
56                layerstatementrule,
57            )),
58            window,
59            cx,
60        )
61    }
62
63    pub(crate) fn update_rule(&self, layerstatementrule: Arc<LayerStatementRule>) {
64        *self.layer_statement_rule.borrow_mut() = layerstatementrule;
65    }
66}
67
68impl SpecificCSSRule for CSSLayerStatementRule {
69    fn ty(&self) -> CssRuleType {
70        CssRuleType::LayerStatement
71    }
72
73    fn get_css(&self) -> DOMString {
74        let guard = self.css_rule.shared_lock().read();
75        self.layer_statement_rule
76            .borrow()
77            .to_css_string(&guard)
78            .into()
79    }
80}
81
82impl CSSLayerStatementRuleMethods<crate::DomTypeHolder> for CSSLayerStatementRule {
83    /// <https://drafts.csswg.org/css-cascade-5/#dom-csslayerstatementrule-namelist>
84    fn NameList(&self, cx: &mut JSContext, retval: MutableHandleValue) {
85        let names: Vec<DOMString> = self
86            .layer_statement_rule
87            .borrow()
88            .names
89            .iter()
90            .map(|name| name.to_css_string().into())
91            .collect();
92        to_frozen_array(cx, names.as_slice(), retval)
93    }
94}
script/dom/css/csslayerstatementrule.rs

script/dom/css/
csslayerstatementrule.rs
