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/* 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 http://mozilla.org/MPL/2.0/. */
use dom::bindings::codegen::Bindings::CSSStyleRuleBinding::{self, CSSStyleRuleMethods};
use dom::bindings::js::{JS, MutNullableJS, Root};
use dom::bindings::reflector::{DomObject, reflect_dom_object};
use dom::bindings::str::DOMString;
use dom::cssrule::{CSSRule, SpecificCSSRule};
use dom::cssstyledeclaration::{CSSModificationAccess, CSSStyleDeclaration, CSSStyleOwner};
use dom::cssstylesheet::CSSStyleSheet;
use dom::window::Window;
use parking_lot::RwLock;
use std::sync::Arc;
use style::stylesheets::StyleRule;
use style_traits::ToCss;
#[dom_struct]
pub struct CSSStyleRule {
cssrule: CSSRule,
#[ignore_heap_size_of = "Arc"]
stylerule: Arc<RwLock<StyleRule>>,
style_decl: MutNullableJS<CSSStyleDeclaration>,
}
impl CSSStyleRule {
fn new_inherited(parent_stylesheet: &CSSStyleSheet, stylerule: Arc<RwLock<StyleRule>>)
-> CSSStyleRule {
CSSStyleRule {
cssrule: CSSRule::new_inherited(parent_stylesheet),
stylerule: stylerule,
style_decl: Default::default(),
}
}
#[allow(unrooted_must_root)]
pub fn new(window: &Window, parent_stylesheet: &CSSStyleSheet,
stylerule: Arc<RwLock<StyleRule>>) -> Root<CSSStyleRule> {
reflect_dom_object(box CSSStyleRule::new_inherited(parent_stylesheet, stylerule),
window,
CSSStyleRuleBinding::Wrap)
}
}
impl SpecificCSSRule for CSSStyleRule {
fn ty(&self) -> u16 {
use dom::bindings::codegen::Bindings::CSSRuleBinding::CSSRuleConstants;
CSSRuleConstants::STYLE_RULE
}
fn get_css(&self) -> DOMString {
self.stylerule.read().to_css_string().into()
}
}
impl CSSStyleRuleMethods for CSSStyleRule {
// https://drafts.csswg.org/cssom/#dom-cssstylerule-style
fn Style(&self) -> Root<CSSStyleDeclaration> {
self.style_decl.or_init(|| {
CSSStyleDeclaration::new(self.global().as_window(),
CSSStyleOwner::CSSRule(JS::from_ref(self.global().as_window()),
self.stylerule.read().block.clone()),
None,
CSSModificationAccess::ReadWrite)
})
}
}
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