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https://github.com/servo/servo
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617c9c0162
This JSContextifies parts of dom/css directory. Testing: Compilation is the test. Signed-off-by: Narfinger <Narfinger@users.noreply.github.com>
103 lines
3.2 KiB
Rust
103 lines
3.2 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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use std::cell::RefCell;
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use dom_struct::dom_struct;
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use js::context::JSContext;
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use servo_arc::Arc;
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use style::shared_lock::ToCssWithGuard;
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use style::stylesheets::{CssRuleType, PropertyRule};
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use style_traits::ToCss;
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use super::cssrule::{CSSRule, SpecificCSSRule};
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use super::cssstylesheet::CSSStyleSheet;
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use crate::dom::bindings::codegen::Bindings::CSSPropertyRuleBinding::CSSPropertyRuleMethods;
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use crate::dom::bindings::reflector::reflect_dom_object_with_cx;
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use crate::dom::bindings::root::DomRoot;
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use crate::dom::bindings::str::DOMString;
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use crate::dom::window::Window;
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#[dom_struct]
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pub(crate) struct CSSPropertyRule {
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css_rule: CSSRule,
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#[ignore_malloc_size_of = "Stylo"]
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#[no_trace]
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property_rule: RefCell<Arc<PropertyRule>>,
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}
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impl CSSPropertyRule {
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fn new_inherited(parent_stylesheet: &CSSStyleSheet, property_rule: Arc<PropertyRule>) -> Self {
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CSSPropertyRule {
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css_rule: CSSRule::new_inherited(parent_stylesheet),
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property_rule: RefCell::new(property_rule),
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}
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}
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pub(crate) fn new(
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cx: &mut JSContext,
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window: &Window,
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parent_stylesheet: &CSSStyleSheet,
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property_rule: Arc<PropertyRule>,
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) -> DomRoot<Self> {
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reflect_dom_object_with_cx(
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Box::new(Self::new_inherited(parent_stylesheet, property_rule)),
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window,
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cx,
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)
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}
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pub(crate) fn update_rule(&self, property_rule: Arc<PropertyRule>) {
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*self.property_rule.borrow_mut() = property_rule;
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}
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}
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impl SpecificCSSRule for CSSPropertyRule {
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fn ty(&self) -> CssRuleType {
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CssRuleType::Property
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}
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fn get_css(&self) -> DOMString {
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let guard = self.css_rule.shared_lock().read();
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self.property_rule.borrow().to_css_string(&guard).into()
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}
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}
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impl CSSPropertyRuleMethods<crate::DomTypeHolder> for CSSPropertyRule {
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/// <https://drafts.css-houdini.org/css-properties-values-api/#dom-csspropertyrule-name>
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fn Name(&self) -> DOMString {
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format!("--{}", self.property_rule.borrow().name.0).into()
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}
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/// <https://drafts.css-houdini.org/css-properties-values-api/#dom-csspropertyrule-syntax>
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fn Syntax(&self) -> DOMString {
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self.property_rule
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.borrow()
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.descriptors
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.syntax
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.as_ref()
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.and_then(|s| s.specified_string())
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.unwrap_or_else(|| {
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debug_assert!(false, "PropertyRule exists but missing a syntax string?");
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"*"
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})
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.into()
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}
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/// <https://drafts.css-houdini.org/css-properties-values-api/#dom-csspropertyrule-initialvalue>
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fn GetInitialValue(&self) -> Option<DOMString> {
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self.property_rule
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.borrow()
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.descriptors
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.initial_value
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.as_ref()
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.map(|value| value.to_css_string().into())
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}
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/// <https://drafts.css-houdini.org/css-properties-values-api/#dom-csspropertyrule-inherits>
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fn Inherits(&self) -> bool {
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self.property_rule.borrow().descriptors.inherits()
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}
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}
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