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Implement TShadowRoot::style_data

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This commit is contained in:
Fernando Jiménez Moreno 2019-02-11 10:20:42 +01:00
parent 23b92d54d4
commit e9f0e76d3c
3 changed files with 32 additions and 3 deletions
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7
components/script/dom/documentorshadowroot.rs
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@ -18,6 +18,7 @@ use script_traits::UntrustedNodeAddress;
use servo_arc::Arc;
use std::fmt;
use style::context::QuirksMode;
use style::invalidation::media_queries::{MediaListKey, ToMediaListKey};
use style::media_queries::MediaList;
use style::shared_lock::{SharedRwLock as StyleSharedRwLock, SharedRwLockReadGuard};
use style::stylesheet_set::StylesheetSet;
@ -43,6 +44,12 @@ impl PartialEq for StyleSheetInDocument {
}
}
impl ToMediaListKey for StyleSheetInDocument {
fn to_media_list_key(&self) -> MediaListKey {
self.sheet.to_media_list_key()
}
}
impl ::style::stylesheets::StylesheetInDocument for StyleSheetInDocument {
fn origin(&self, guard: &SharedRwLockReadGuard) -> Origin {
self.sheet.origin(guard)

21
components/script/dom/shadowroot.rs
View file

@ -20,6 +20,7 @@ use crate::dom::window::Window;
use dom_struct::dom_struct;
use servo_arc::Arc;
use style::author_styles::AuthorStyles;
use style::dom::TElement;
use style::stylesheets::Stylesheet;
// https://dom.spec.whatwg.org/#interface-shadowroot
@ -29,8 +30,7 @@ pub struct ShadowRoot {
document_or_shadow_root: DocumentOrShadowRoot,
document: Dom<Document>,
host: Dom<Element>,
/// List of stylesheets associated with nodes in this shadow tree.
/// |None| if the list needs to be refreshed.
/// List of author styles associated with nodes in this shadow tree.
author_styles: DomRefCell<AuthorStyles<StyleSheetInDocument>>,
stylesheet_list: MutNullableDom<StyleSheetList>,
window: Dom<Window>,
@ -119,6 +119,9 @@ impl ShadowRootMethods for ShadowRoot {
#[allow(unsafe_code)]
pub trait LayoutShadowRootHelpers {
unsafe fn get_host_for_layout(&self) -> LayoutDom<Element>;
unsafe fn get_style_data_for_layout<'a, E: TElement>(
&self,
) -> &'a AuthorStyles<StyleSheetInDocument>;
}
impl LayoutShadowRootHelpers for LayoutDom<ShadowRoot> {
@ -127,6 +130,20 @@ impl LayoutShadowRootHelpers for LayoutDom<ShadowRoot> {
unsafe fn get_host_for_layout(&self) -> LayoutDom<Element> {
(*self.unsafe_get()).host.to_layout()
}
#[inline]
#[allow(unsafe_code)]
unsafe fn get_style_data_for_layout<'a, E: TElement>(
&self,
) -> &'a AuthorStyles<StyleSheetInDocument> {
{
let mut author_styles = (*self.unsafe_get()).author_styles.borrow_mut_for_layout();
// let document = &(*self.unsafe_get()).document;
// let guard = document.style_shared_lock().read();
// author_styles.flush::<E>(&document.device(), document.quirks_mode(), &guard);
}
(*self.unsafe_get()).author_styles.borrow_for_layout()
}
}
impl StyleSheetListOwner for Dom<ShadowRoot> {