script/dom/css/
csslayerblockrule.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 script_bindings::reflector::reflect_dom_object_with_cx;
10use servo_arc::Arc;
11use style::shared_lock::{Locked, SharedRwLockReadGuard, ToCssWithGuard};
12use style::stylesheets::{CssRuleType, CssRules, LayerBlockRule};
13use style_traits::ToCss;
14
15use super::cssgroupingrule::CSSGroupingRule;
16use super::cssrule::SpecificCSSRule;
17use super::cssstylesheet::CSSStyleSheet;
18use crate::dom::bindings::codegen::Bindings::CSSLayerBlockRuleBinding::CSSLayerBlockRuleMethods;
19use crate::dom::bindings::root::DomRoot;
20use crate::dom::bindings::str::DOMString;
21use crate::dom::window::Window;
22
23#[dom_struct]
24pub(crate) struct CSSLayerBlockRule {
25    css_grouping_rule: CSSGroupingRule,
26    #[ignore_malloc_size_of = "Stylo"]
27    #[no_trace]
28    layer_block_rule: RefCell<Arc<LayerBlockRule>>,
29}
30
31impl CSSLayerBlockRule {
32    pub(crate) fn new_inherited(
33        parent_rule: Option<&CSSGroupingRule>,
34        parent_stylesheet: &CSSStyleSheet,
35        layerblockrule: Arc<LayerBlockRule>,
36    ) -> CSSLayerBlockRule {
37        CSSLayerBlockRule {
38            css_grouping_rule: CSSGroupingRule::new_inherited(parent_rule, parent_stylesheet),
39            layer_block_rule: RefCell::new(layerblockrule),
40        }
41    }
42
43    pub(crate) fn new(
44        cx: &mut JSContext,
45        window: &Window,
46        parent_rule: Option<&CSSGroupingRule>,
47        parent_stylesheet: &CSSStyleSheet,
48        layerblockrule: Arc<LayerBlockRule>,
49    ) -> DomRoot<CSSLayerBlockRule> {
50        reflect_dom_object_with_cx(
51            Box::new(CSSLayerBlockRule::new_inherited(
52                parent_rule,
53                parent_stylesheet,
54                layerblockrule,
55            )),
56            window,
57            cx,
58        )
59    }
60
61    pub(crate) fn clone_rules(&self) -> Arc<Locked<CssRules>> {
62        self.layer_block_rule.borrow().rules.clone()
63    }
64
65    pub(crate) fn update_rule(
66        &self,
67        layerblockrule: Arc<LayerBlockRule>,
68        guard: &SharedRwLockReadGuard,
69    ) {
70        self.css_grouping_rule
71            .update_rules(&layerblockrule.rules, guard);
72        *self.layer_block_rule.borrow_mut() = layerblockrule;
73    }
74}
75
76impl SpecificCSSRule for CSSLayerBlockRule {
77    fn ty(&self) -> CssRuleType {
78        CssRuleType::LayerBlock
79    }
80
81    fn get_css(&self) -> DOMString {
82        let guard = self.css_grouping_rule.shared_lock().read();
83        self.layer_block_rule.borrow().to_css_string(&guard).into()
84    }
85}
86
87impl CSSLayerBlockRuleMethods<crate::DomTypeHolder> for CSSLayerBlockRule {
88    /// <https://drafts.csswg.org/css-cascade-5/#dom-csslayerblockrule-name>
89    fn Name(&self) -> DOMString {
90        self.layer_block_rule
91            .borrow()
92            .name
93            .as_ref()
94            .map(|name| name.to_css_cssstring().into())
95            .unwrap_or_default()
96    }
97}
script/dom/css/csslayerblockrule.rs

script/dom/css/
csslayerblockrule.rs
