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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>
105 lines
3.4 KiB
Rust
105 lines
3.4 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::{SharedRwLockReadGuard, ToCssWithGuard};
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use style::stylesheets::{CssRuleType, MediaRule};
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use style_traits::ToCss;
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use super::cssconditionrule::CSSConditionRule;
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use super::cssrule::SpecificCSSRule;
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use super::cssstylesheet::CSSStyleSheet;
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use crate::dom::bindings::codegen::Bindings::CSSMediaRuleBinding::CSSMediaRuleMethods;
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use crate::dom::bindings::reflector::{DomGlobal, reflect_dom_object_with_cx};
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use crate::dom::bindings::root::{DomRoot, MutNullableDom};
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use crate::dom::bindings::str::DOMString;
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use crate::dom::medialist::MediaList;
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use crate::dom::window::Window;
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#[dom_struct]
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pub(crate) struct CSSMediaRule {
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css_condition_rule: CSSConditionRule,
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#[ignore_malloc_size_of = "Stylo"]
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#[no_trace]
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media_rule: RefCell<Arc<MediaRule>>,
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media_list: MutNullableDom<MediaList>,
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}
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impl CSSMediaRule {
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fn new_inherited(parent_stylesheet: &CSSStyleSheet, mediarule: Arc<MediaRule>) -> CSSMediaRule {
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let list = mediarule.rules.clone();
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CSSMediaRule {
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css_condition_rule: CSSConditionRule::new_inherited(parent_stylesheet, list),
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media_rule: RefCell::new(mediarule),
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media_list: MutNullableDom::new(None),
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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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mediarule: Arc<MediaRule>,
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) -> DomRoot<CSSMediaRule> {
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reflect_dom_object_with_cx(
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Box::new(CSSMediaRule::new_inherited(parent_stylesheet, mediarule)),
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window,
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cx,
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)
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}
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fn medialist(&self, cx: &mut JSContext) -> DomRoot<MediaList> {
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self.media_list.or_init(|| {
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MediaList::new(
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cx,
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self.global().as_window(),
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self.css_condition_rule.parent_stylesheet(),
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self.media_rule.borrow().media_queries.clone(),
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)
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})
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}
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/// <https://drafts.csswg.org/css-conditional-3/#the-cssmediarule-interface>
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pub(crate) fn get_condition_text(&self) -> DOMString {
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let guard = self.css_condition_rule.shared_lock().read();
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self.media_rule
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.borrow()
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.media_queries
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.read_with(&guard)
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.to_css_string()
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.into()
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}
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pub(crate) fn update_rule(&self, mediarule: Arc<MediaRule>, guard: &SharedRwLockReadGuard) {
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self.css_condition_rule
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.update_rules(mediarule.rules.clone(), guard);
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if let Some(medialist) = self.media_list.get() {
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medialist.update_media_list(mediarule.media_queries.clone());
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}
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*self.media_rule.borrow_mut() = mediarule;
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}
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}
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impl SpecificCSSRule for CSSMediaRule {
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fn ty(&self) -> CssRuleType {
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CssRuleType::Media
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}
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fn get_css(&self) -> DOMString {
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let guard = self.css_condition_rule.shared_lock().read();
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self.media_rule.borrow().to_css_string(&guard).into()
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}
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}
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impl CSSMediaRuleMethods<crate::DomTypeHolder> for CSSMediaRule {
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/// <https://drafts.csswg.org/cssom/#dom-cssgroupingrule-media>
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fn Media(&self, cx: &mut JSContext) -> DomRoot<MediaList> {
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self.medialist(cx)
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}
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}
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