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Bug 1325878: Don't use nsMediaList for loading imports. r=xidorn

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MozReview-Commit-ID: HR23bqZcmcA
Signed-off-by: Emilio Cobos Álvarez <emilio@crisal.io>
This commit is contained in:
Emilio Cobos Álvarez 2017-04-10 11:17:51 +08:00
parent fbd4049e46
commit 2999222436
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GPG key ID: 056B727BB9C1027C
3 changed files with 15 additions and 26 deletions
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8
components/script/stylesheet_loader.rs
View file

@ -271,15 +271,15 @@ impl<'a> StylesheetLoader<'a> {
impl<'a> StyleStylesheetLoader for StylesheetLoader<'a> {
fn request_stylesheet(
&self,
media: MediaList,
make_import: &mut FnMut(MediaList) -> ImportRule,
media: Arc<Locked<MediaList>>,
make_import: &mut FnMut(Arc<Locked<MediaList>>) -> ImportRule,
make_arc: &mut FnMut(ImportRule) -> Arc<StyleLocked<ImportRule>>,
) -> Arc<StyleLocked<ImportRule>> {
let import = make_import(media);
let url = import.url.url().expect("Invalid urls shouldn't enter the loader").clone();
//TODO (mrnayak) : Whether we should use the original loader's CORS setting?
//Fix this when spec has more details.
// TODO (mrnayak) : Whether we should use the original loader's CORS
// setting? Fix this when spec has more details.
let source = StylesheetContextSource::Import(import.stylesheet.clone());
self.load(source, url, None, "".to_owned());

11
components/style/stylesheets.rs
View file

@ -825,8 +825,8 @@ pub trait StylesheetLoader {
/// before they’re locked, while keeping the trait object-safe.
fn request_stylesheet(
&self,
media: MediaList,
make_import: &mut FnMut(MediaList) -> ImportRule,
media: Arc<Locked<MediaList>>,
make_import: &mut FnMut(Arc<Locked<MediaList>>) -> ImportRule,
make_arc: &mut FnMut(ImportRule) -> Arc<Locked<ImportRule>>,
) -> Arc<Locked<ImportRule>>;
}
@ -836,8 +836,8 @@ struct NoOpLoader;
impl StylesheetLoader for NoOpLoader {
fn request_stylesheet(
&self,
media: MediaList,
make_import: &mut FnMut(MediaList) -> ImportRule,
media: Arc<Locked<MediaList>>,
make_import: &mut FnMut(Arc<Locked<MediaList>>) -> ImportRule,
make_arc: &mut FnMut(ImportRule) -> Arc<Locked<ImportRule>>,
) -> Arc<Locked<ImportRule>> {
make_arc(make_import(media))
@ -906,6 +906,7 @@ impl<'a> AtRuleParser for TopLevelRuleParser<'a> {
let specified_url = SpecifiedUrl::parse_from_string(url_string, &self.context)?;
let media = parse_media_query_list(&self.context, input);
let media = Arc::new(self.shared_lock.wrap(media));
let noop_loader = NoOpLoader;
let loader = if !specified_url.is_invalid() {
@ -920,7 +921,7 @@ impl<'a> AtRuleParser for TopLevelRuleParser<'a> {
url: specified_url.take().unwrap(),
stylesheet: Arc::new(Stylesheet {
rules: CssRules::new(Vec::new(), self.shared_lock),
media: Arc::new(self.shared_lock.wrap(media)),
media: media,
shared_lock: self.shared_lock.clone(),
origin: self.context.stylesheet_origin,
url_data: self.context.url_data.clone(),

22
ports/geckolib/stylesheet_loader.rs
View file

@ -5,11 +5,10 @@
use std::sync::Arc;
use style::gecko_bindings::bindings::Gecko_LoadStyleSheet;
use style::gecko_bindings::structs::{Loader, ServoStyleSheet};
use style::gecko_bindings::sugar::ownership::HasArcFFI;
use style::gecko_bindings::sugar::ownership::{HasArcFFI, FFIArcHelpers};
use style::media_queries::MediaList;
use style::shared_lock::Locked;
use style::stylesheets::{ImportRule, Stylesheet, StylesheetLoader as StyleStylesheetLoader};
use style_traits::ToCss;
pub struct StylesheetLoader(*mut Loader, *mut ServoStyleSheet);
@ -22,21 +21,11 @@ impl StylesheetLoader {
impl StyleStylesheetLoader for StylesheetLoader {
fn request_stylesheet(
&self,
media: MediaList,
make_import: &mut FnMut(MediaList) -> ImportRule,
media: Arc<Locked<MediaList>>,
make_import: &mut FnMut(Arc<Locked<MediaList>>) -> ImportRule,
make_arc: &mut FnMut(ImportRule) -> Arc<Locked<ImportRule>>,
) -> Arc<Locked<ImportRule>> {
// TODO(emilio): We probably want to share media representation with
// Gecko in Stylo.
//
// This also allows us to get rid of a bunch of extra work to evaluate
// and ensure parity, and shouldn't be much Gecko work given we always
// evaluate them on the main thread.
//
// Meanwhile, this works.
let media_string = media.to_css_string();
let import = make_import(media);
let import = make_import(media.clone());
// After we get this raw pointer ImportRule will be moved into a lock and Arc
// and so the Arc<Url> pointer inside will also move,
@ -52,8 +41,7 @@ impl StyleStylesheetLoader for StylesheetLoader {
base_url_data,
spec_bytes,
spec_len as u32,
media_string.as_bytes().as_ptr(),
media_string.len() as u32);
media.into_strong())
}
make_arc(import)
}