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 servo_arc::Arc;
9use style::shared_lock::{Locked, SharedRwLockReadGuard, ToCssWithGuard};
10use style::stylesheets::{CssRuleType, CssRules, LayerBlockRule};
11use style_traits::ToCss;
12
13use super::cssgroupingrule::CSSGroupingRule;
14use super::cssrule::SpecificCSSRule;
15use super::cssstylesheet::CSSStyleSheet;
16use crate::dom::bindings::codegen::Bindings::CSSLayerBlockRuleBinding::CSSLayerBlockRuleMethods;
17use crate::dom::bindings::reflector::reflect_dom_object;
18use crate::dom::bindings::root::DomRoot;
19use crate::dom::bindings::str::DOMString;
20use crate::dom::window::Window;
21use crate::script_runtime::CanGc;
22
23#[dom_struct]
24pub(crate) struct CSSLayerBlockRule {
25    cssgroupingrule: CSSGroupingRule,
26    #[ignore_malloc_size_of = "Stylo"]
27    #[no_trace]
28    layerblockrule: RefCell<Arc<LayerBlockRule>>,
29}
30
31impl CSSLayerBlockRule {
32    pub(crate) fn new_inherited(
33        parent_stylesheet: &CSSStyleSheet,
34        layerblockrule: Arc<LayerBlockRule>,
35    ) -> CSSLayerBlockRule {
36        CSSLayerBlockRule {
37            cssgroupingrule: CSSGroupingRule::new_inherited(parent_stylesheet),
38            layerblockrule: RefCell::new(layerblockrule),
39        }
40    }
41
42    pub(crate) fn new(
43        window: &Window,
44        parent_stylesheet: &CSSStyleSheet,
45        layerblockrule: Arc<LayerBlockRule>,
46        can_gc: CanGc,
47    ) -> DomRoot<CSSLayerBlockRule> {
48        reflect_dom_object(
49            Box::new(CSSLayerBlockRule::new_inherited(
50                parent_stylesheet,
51                layerblockrule,
52            )),
53            window,
54            can_gc,
55        )
56    }
57
58    pub(crate) fn clone_rules(&self) -> Arc<Locked<CssRules>> {
59        self.layerblockrule.borrow().rules.clone()
60    }
61
62    pub(crate) fn update_rule(
63        &self,
64        layerblockrule: Arc<LayerBlockRule>,
65        guard: &SharedRwLockReadGuard,
66    ) {
67        self.cssgroupingrule
68            .update_rules(&layerblockrule.rules, guard);
69        *self.layerblockrule.borrow_mut() = layerblockrule;
70    }
71}
72
73impl SpecificCSSRule for CSSLayerBlockRule {
74    fn ty(&self) -> CssRuleType {
75        CssRuleType::LayerBlock
76    }
77
78    fn get_css(&self) -> DOMString {
79        let guard = self.cssgroupingrule.shared_lock().read();
80        self.layerblockrule.borrow().to_css_string(&guard).into()
81    }
82}
83
84impl CSSLayerBlockRuleMethods<crate::DomTypeHolder> for CSSLayerBlockRule {
85    /// <https://drafts.csswg.org/css-cascade-5/#dom-csslayerblockrule-name>
86    fn Name(&self) -> DOMString {
87        if let Some(name) = &self.layerblockrule.borrow().name {
88            DOMString::from_string(name.to_css_string())
89        } else {
90            DOMString::new()
91        }
92    }
93}
script/dom/css/csslayerblockrule.rs

script/dom/css/
csslayerblockrule.rs
