script/dom/
csslayerblockrule.rs1use 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 crate::dom::bindings::codegen::Bindings::CSSLayerBlockRuleBinding::CSSLayerBlockRuleMethods;
14use crate::dom::bindings::reflector::reflect_dom_object;
15use crate::dom::bindings::root::DomRoot;
16use crate::dom::bindings::str::DOMString;
17use crate::dom::cssgroupingrule::CSSGroupingRule;
18use crate::dom::cssrule::SpecificCSSRule;
19use crate::dom::cssstylesheet::CSSStyleSheet;
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 = "Arc"]
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 #[cfg_attr(crown, allow(crown::unrooted_must_root))]
43 pub(crate) fn new(
44 window: &Window,
45 parent_stylesheet: &CSSStyleSheet,
46 layerblockrule: Arc<LayerBlockRule>,
47 can_gc: CanGc,
48 ) -> DomRoot<CSSLayerBlockRule> {
49 reflect_dom_object(
50 Box::new(CSSLayerBlockRule::new_inherited(
51 parent_stylesheet,
52 layerblockrule,
53 )),
54 window,
55 can_gc,
56 )
57 }
58
59 pub(crate) fn clone_rules(&self) -> Arc<Locked<CssRules>> {
60 self.layerblockrule.borrow().rules.clone()
61 }
62
63 pub(crate) fn update_rule(
64 &self,
65 layerblockrule: Arc<LayerBlockRule>,
66 guard: &SharedRwLockReadGuard,
67 ) {
68 self.cssgroupingrule
69 .update_rules(&layerblockrule.rules, guard);
70 *self.layerblockrule.borrow_mut() = layerblockrule;
71 }
72}
73
74impl SpecificCSSRule for CSSLayerBlockRule {
75 fn ty(&self) -> CssRuleType {
76 CssRuleType::LayerBlock
77 }
78
79 fn get_css(&self) -> DOMString {
80 let guard = self.cssgroupingrule.shared_lock().read();
81 self.layerblockrule.borrow().to_css_string(&guard).into()
82 }
83}
84
85impl CSSLayerBlockRuleMethods<crate::DomTypeHolder> for CSSLayerBlockRule {
86 fn Name(&self) -> DOMString {
88 if let Some(name) = &self.layerblockrule.borrow().name {
89 DOMString::from_string(name.to_css_string())
90 } else {
91 DOMString::new()
92 }
93 }
94}