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style: Add infrastructure for non-eagerly-cascaded pseudo-elements

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This commit also removes StylistWrapper and uses Arc::get_mut instead.
This commit is contained in:
Emilio Cobos Álvarez 2016-04-22 16:05:41 +02:00
parent 2dacbc6fb3
commit b6402a81d0
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GPG key ID: 056B727BB9C1027C
11 changed files with 188 additions and 78 deletions
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17
components/layout/layout_thread.rs
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@ -67,14 +67,13 @@ use std::sync::mpsc::{channel, Sender, Receiver};
use std::sync::{Arc, Mutex, MutexGuard, RwLock};
use style::animation::Animation;
use style::computed_values::{filter, mix_blend_mode};
use style::context::{ReflowGoal, StylistWrapper};
use style::context::{ReflowGoal};
use style::dom::{TDocument, TElement, TNode};
use style::error_reporting::ParseErrorReporter;
use style::logical_geometry::LogicalPoint;
use style::media_queries::{Device, MediaType};
use style::parallel::WorkQueueData;
use style::properties::ComputedValues;
use style::selector_impl::ServoSelectorImpl;
use style::selector_matching::USER_OR_USER_AGENT_STYLESHEETS;
use style::servo::{SharedStyleContext, Stylesheet, Stylist};
use style::stylesheets::CSSRuleIteratorExt;
@ -107,7 +106,7 @@ pub struct LayoutThreadData {
pub display_list: Option<Arc<DisplayList>>,
/// Performs CSS selector matching and style resolution.
pub stylist: Box<Stylist>,
pub stylist: Arc<Stylist>,
/// A queued response for the union of the content boxes of a node.
pub content_box_response: Rect<Au>,
@ -421,7 +420,7 @@ impl LayoutThread {
let font_cache_receiver =
ROUTER.route_ipc_receiver_to_new_mpsc_receiver(ipc_font_cache_receiver);
let stylist = box Stylist::new(device);
let stylist = Arc::new(Stylist::new(device));
let outstanding_web_fonts_counter = Arc::new(AtomicUsize::new(0));
for stylesheet in &*USER_OR_USER_AGENT_STYLESHEETS {
add_font_face_rules(stylesheet,
@ -510,7 +509,7 @@ impl LayoutThread {
style_context: SharedStyleContext {
viewport_size: self.viewport_size.clone(),
screen_size_changed: screen_size_changed,
stylist: StylistWrapper::<ServoSelectorImpl>(&*rw_data.stylist),
stylist: rw_data.stylist.clone(),
generation: self.generation,
goal: goal,
new_animations_sender: Mutex::new(self.new_animations_sender.clone()),
@ -809,7 +808,7 @@ impl LayoutThread {
/// Sets quirks mode for the document, causing the quirks mode stylesheet to be used.
fn handle_set_quirks_mode<'a, 'b>(&self, possibly_locked_rw_data: &mut RwData<'a, 'b>) {
let mut rw_data = possibly_locked_rw_data.lock();
rw_data.stylist.set_quirks_mode(true);
Arc::get_mut(&mut rw_data.stylist).unwrap().set_quirks_mode(true);
possibly_locked_rw_data.block(rw_data);
}
@ -1060,7 +1059,7 @@ impl LayoutThread {
// Calculate the actual viewport as per DEVICE-ADAPT § 6
let device = Device::new(MediaType::Screen, initial_viewport);
rw_data.stylist.set_device(device, &data.document_stylesheets);
Arc::get_mut(&mut rw_data.stylist).unwrap().set_device(device, &data.document_stylesheets);
let constraints = rw_data.stylist.viewport_constraints().clone();
self.viewport_size = match constraints {
@ -1092,8 +1091,8 @@ impl LayoutThread {
}
// If the entire flow tree is invalid, then it will be reflowed anyhow.
needs_dirtying |= rw_data.stylist.update(&data.document_stylesheets,
data.stylesheets_changed);
needs_dirtying |= Arc::get_mut(&mut rw_data.stylist).unwrap().update(&data.document_stylesheets,
data.stylesheets_changed);
let needs_reflow = viewport_size_changed && !needs_dirtying;
unsafe {
if needs_dirtying {