1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
|
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
use dom_struct::dom_struct;
use style::shared_lock::SharedRwLock;
use style::stylesheets::{CssRuleType, CssRuleTypes};
use crate::dom::bindings::codegen::Bindings::CSSGroupingRuleBinding::CSSGroupingRuleMethods;
use crate::dom::bindings::error::{ErrorResult, Fallible};
use crate::dom::bindings::inheritance::Castable;
use crate::dom::bindings::reflector::DomGlobal;
use crate::dom::bindings::root::{DomRoot, MutNullableDom};
use crate::dom::bindings::str::DOMString;
use crate::dom::cssconditionrule::CSSConditionRule;
use crate::dom::csslayerblockrule::CSSLayerBlockRule;
use crate::dom::cssrule::CSSRule;
use crate::dom::cssrulelist::{CSSRuleList, RulesSource};
use crate::dom::cssstylerule::CSSStyleRule;
use crate::dom::cssstylesheet::CSSStyleSheet;
use crate::script_runtime::CanGc;
#[dom_struct]
pub(crate) struct CSSGroupingRule {
cssrule: CSSRule,
rulelist: MutNullableDom<CSSRuleList>,
}
impl CSSGroupingRule {
pub(crate) fn new_inherited(parent_stylesheet: &CSSStyleSheet) -> CSSGroupingRule {
CSSGroupingRule {
cssrule: CSSRule::new_inherited(parent_stylesheet),
rulelist: MutNullableDom::new(None),
}
}
fn rulelist(&self, can_gc: CanGc) -> DomRoot<CSSRuleList> {
let parent_stylesheet = self.upcast::<CSSRule>().parent_stylesheet();
self.rulelist.or_init(|| {
let rules = if let Some(rule) = self.downcast::<CSSConditionRule>() {
rule.clone_rules()
} else if let Some(rule) = self.downcast::<CSSLayerBlockRule>() {
rule.clone_rules()
} else if let Some(rule) = self.downcast::<CSSStyleRule>() {
rule.ensure_rules()
} else {
unreachable!()
};
CSSRuleList::new(
self.global().as_window(),
parent_stylesheet,
RulesSource::Rules(rules),
can_gc,
)
})
}
pub(crate) fn parent_stylesheet(&self) -> &CSSStyleSheet {
self.cssrule.parent_stylesheet()
}
pub(crate) fn shared_lock(&self) -> &SharedRwLock {
self.cssrule.shared_lock()
}
}
impl CSSGroupingRuleMethods<crate::DomTypeHolder> for CSSGroupingRule {
// https://drafts.csswg.org/cssom/#dom-cssgroupingrule-cssrules
fn CssRules(&self, can_gc: CanGc) -> DomRoot<CSSRuleList> {
// XXXManishearth check origin clean flag
self.rulelist(can_gc)
}
// https://drafts.csswg.org/cssom/#dom-cssgroupingrule-insertrule
fn InsertRule(&self, rule: DOMString, index: u32, can_gc: CanGc) -> Fallible<u32> {
// TODO: this should accumulate the rule types of all ancestors.
let rule_type = self.cssrule.as_specific().ty();
let containing_rule_types = CssRuleTypes::from(rule_type);
let parse_relative_rule_type = match rule_type {
CssRuleType::Style | CssRuleType::Scope => Some(rule_type),
_ => None,
};
self.rulelist(can_gc).insert_rule(
&rule,
index,
containing_rule_types,
parse_relative_rule_type,
can_gc,
)
}
// https://drafts.csswg.org/cssom/#dom-cssgroupingrule-deleterule
fn DeleteRule(&self, index: u32, can_gc: CanGc) -> ErrorResult {
self.rulelist(can_gc).remove_rule(index)
}
}
|
