fune/servo/components/script/dom/cssstylerule.rs
Anthony Ramine be2b512750 servo: Merge #15715 - Make #[dom_struct] a proc_macro attribute (from nox:custom-derive); r=SimonSapin
The rustup is needed for https://github.com/rust-lang/rust/pull/40039.

Source-Repo: https://github.com/servo/servo
Source-Revision: a204c4176dcccdad8ec99d74055c66794c3f64ba

--HG--
rename : servo/components/domobject_derive/Cargo.toml => servo/components/dom_struct/Cargo.toml
extra : subtree_source : https%3A//hg.mozilla.org/projects/converted-servo-linear
extra : subtree_revision : 2cad140c3d6b99837f0bd15a6f3ccba0f353e049
2017-02-24 05:56:30 -08:00

69 lines
2.5 KiB
Rust

/* 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::inheritance::Castable;
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 dom_struct::dom_struct;
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.upcast()),
self.stylerule.read().block.clone()),
None,
CSSModificationAccess::ReadWrite)
})
}
}