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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 https://mozilla.org/MPL/2.0/. */
use crate::dom::bindings::codegen::Bindings::CSSStyleSheetBinding;
use crate::dom::bindings::codegen::Bindings::CSSStyleSheetBinding::CSSStyleSheetMethods;
use crate::dom::bindings::error::{Error, ErrorResult, Fallible};
use crate::dom::bindings::inheritance::Castable;
use crate::dom::bindings::reflector::{reflect_dom_object, DomObject};
use crate::dom::bindings::root::{Dom, DomRoot, MutNullableDom};
use crate::dom::bindings::str::DOMString;
use crate::dom::cssrulelist::{CSSRuleList, RulesSource};
use crate::dom::element::Element;
use crate::dom::node::{stylesheets_owner_from_node, Node};
use crate::dom::stylesheet::StyleSheet;
use crate::dom::window::Window;
use dom_struct::dom_struct;
use servo_arc::Arc;
use std::cell::Cell;
use style::shared_lock::SharedRwLock;
use style::stylesheets::Stylesheet as StyleStyleSheet;
#[dom_struct]
pub struct CSSStyleSheet {
stylesheet: StyleSheet,
owner: Dom<Element>,
rulelist: MutNullableDom<CSSRuleList>,
#[ignore_malloc_size_of = "Arc"]
style_stylesheet: Arc<StyleStyleSheet>,
origin_clean: Cell<bool>,
}
impl CSSStyleSheet {
fn new_inherited(
owner: &Element,
type_: DOMString,
href: Option<DOMString>,
title: Option<DOMString>,
stylesheet: Arc<StyleStyleSheet>,
) -> CSSStyleSheet {
CSSStyleSheet {
stylesheet: StyleSheet::new_inherited(type_, href, title),
owner: Dom::from_ref(owner),
rulelist: MutNullableDom::new(None),
style_stylesheet: stylesheet,
origin_clean: Cell::new(true),
}
}
#[allow(unrooted_must_root)]
pub fn new(
window: &Window,
owner: &Element,
type_: DOMString,
href: Option<DOMString>,
title: Option<DOMString>,
stylesheet: Arc<StyleStyleSheet>,
) -> DomRoot<CSSStyleSheet> {
reflect_dom_object(
Box::new(CSSStyleSheet::new_inherited(
owner, type_, href, title, stylesheet,
)),
window,
CSSStyleSheetBinding::Wrap,
)
}
pub fn owner(&self) -> DomRoot<Element> {
DomRoot::from_ref(&*self.owner)
}
fn rulelist(&self) -> DomRoot<CSSRuleList> {
self.rulelist.or_init(|| {
let rules = self.style_stylesheet.contents.rules.clone();
CSSRuleList::new(self.global().as_window(), self, RulesSource::Rules(rules))
})
}
pub fn disabled(&self) -> bool {
self.style_stylesheet.disabled()
}
pub fn get_owner(&self) -> &Element {
&*self.owner
}
pub fn set_disabled(&self, disabled: bool) {
if self.style_stylesheet.set_disabled(disabled) {
stylesheets_owner_from_node(self.owner().upcast::<Node>()).invalidate_stylesheets();
}
}
pub fn shared_lock(&self) -> &SharedRwLock {
&self.style_stylesheet.shared_lock
}
pub fn style_stylesheet(&self) -> &StyleStyleSheet {
&self.style_stylesheet
}
pub fn set_origin_clean(&self, origin_clean: bool) {
self.origin_clean.set(origin_clean);
}
}
impl CSSStyleSheetMethods for CSSStyleSheet {
// https://drafts.csswg.org/cssom/#dom-cssstylesheet-cssrules
fn GetCssRules(&self) -> Fallible<DomRoot<CSSRuleList>> {
if !self.origin_clean.get() {
return Err(Error::Security);
}
Ok(self.rulelist())
}
// https://drafts.csswg.org/cssom/#dom-cssstylesheet-insertrule
fn InsertRule(&self, rule: DOMString, index: u32) -> Fallible<u32> {
if !self.origin_clean.get() {
return Err(Error::Security);
}
self.rulelist()
.insert_rule(&rule, index, /* nested */ false)
}
// https://drafts.csswg.org/cssom/#dom-cssstylesheet-deleterule
fn DeleteRule(&self, index: u32) -> ErrorResult {
if !self.origin_clean.get() {
return Err(Error::Security);
}
self.rulelist().remove_rule(index)
}
}
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