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 servo_arc::Arc;
11use style::shared_lock::ToCssWithGuard;
12use style::stylesheets::{CssRuleType, LayerStatementRule};
13use style_traits::ToCss;
14
15use super::cssrule::{CSSRule, SpecificCSSRule};
16use super::cssstylesheet::CSSStyleSheet;
17use crate::dom::bindings::codegen::Bindings::CSSLayerStatementRuleBinding::CSSLayerStatementRuleMethods;
18use crate::dom::bindings::reflector::reflect_dom_object_with_cx;
19use crate::dom::bindings::root::DomRoot;
20use crate::dom::bindings::str::DOMString;
21use crate::dom::bindings::utils::to_frozen_array;
22use crate::dom::window::Window;
23use crate::script_runtime::{CanGc, JSContext as SafeJSContext};
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_stylesheet: &CSSStyleSheet,
36        layerstatementrule: Arc<LayerStatementRule>,
37    ) -> CSSLayerStatementRule {
38        CSSLayerStatementRule {
39            css_rule: CSSRule::new_inherited(parent_stylesheet),
40            layer_statement_rule: RefCell::new(layerstatementrule),
41        }
42    }
43
44    pub(crate) fn new(
45        cx: &mut JSContext,
46        window: &Window,
47        parent_stylesheet: &CSSStyleSheet,
48        layerstatementrule: Arc<LayerStatementRule>,
49    ) -> DomRoot<CSSLayerStatementRule> {
50        reflect_dom_object_with_cx(
51            Box::new(CSSLayerStatementRule::new_inherited(
52                parent_stylesheet,
53                layerstatementrule,
54            )),
55            window,
56            cx,
57        )
58    }
59
60    pub(crate) fn update_rule(&self, layerstatementrule: Arc<LayerStatementRule>) {
61        *self.layer_statement_rule.borrow_mut() = layerstatementrule;
62    }
63}
64
65impl SpecificCSSRule for CSSLayerStatementRule {
66    fn ty(&self) -> CssRuleType {
67        CssRuleType::LayerStatement
68    }
69
70    fn get_css(&self) -> DOMString {
71        let guard = self.css_rule.shared_lock().read();
72        self.layer_statement_rule
73            .borrow()
74            .to_css_string(&guard)
75            .into()
76    }
77}
78
79impl CSSLayerStatementRuleMethods<crate::DomTypeHolder> for CSSLayerStatementRule {
80    /// <https://drafts.csswg.org/css-cascade-5/#dom-csslayerstatementrule-namelist>
81    fn NameList(&self, cx: SafeJSContext, can_gc: CanGc, retval: MutableHandleValue) {
82        let names: Vec<DOMString> = self
83            .layer_statement_rule
84            .borrow()
85            .names
86            .iter()
87            .map(|name| name.to_css_string().into())
88            .collect();
89        to_frozen_array(names.as_slice(), cx, retval, can_gc)
90    }
91}
script/dom/css/csslayerstatementrule.rs

script/dom/css/
csslayerstatementrule.rs
