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Use AtomicRefCell for RawServoStyleSet.

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MozReview-Commit-ID: 27JeRluDAo3
This commit is contained in:
Bobby Holley 2016-10-10 18:51:46 -07:00
parent e597719b73
commit 63ac0d2540
3 changed files with 42 additions and 30 deletions
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23
components/style/gecko/data.rs
View file

@ -3,6 +3,7 @@
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use animation::Animation;
use atomic_refcell::{AtomicRef, AtomicRefCell, AtomicRefMut};
use context::SharedStyleContext;
use dom::OpaqueNode;
use euclid::size::TypedSize2D;
@ -22,7 +23,7 @@ use stylesheets::Stylesheet;
use thread_state;
use workqueue::WorkQueue;
pub struct PerDocumentStyleData {
pub struct PerDocumentStyleDataImpl {
/// Rule processor.
pub stylist: Arc<Stylist>,
@ -44,6 +45,8 @@ pub struct PerDocumentStyleData {
pub num_threads: usize,
}
pub struct PerDocumentStyleData(AtomicRefCell<PerDocumentStyleDataImpl>);
lazy_static! {
pub static ref NUM_THREADS: usize = {
match env::var("STYLO_THREADS").map(|s| s.parse::<usize>().expect("invalid STYLO_THREADS")) {
@ -54,14 +57,14 @@ lazy_static! {
}
impl PerDocumentStyleData {
pub fn new() -> PerDocumentStyleData {
pub fn new() -> Self {
// FIXME(bholley): Real window size.
let window_size: TypedSize2D<f32, ViewportPx> = TypedSize2D::new(800.0, 600.0);
let device = Device::new(MediaType::Screen, window_size);
let (new_anims_sender, new_anims_receiver) = channel();
PerDocumentStyleData {
PerDocumentStyleData(AtomicRefCell::new(PerDocumentStyleDataImpl {
stylist: Arc::new(Stylist::new(device)),
stylesheets: vec![],
stylesheets_changed: true,
@ -75,9 +78,19 @@ impl PerDocumentStyleData {
WorkQueue::new("StyleWorker", thread_state::LAYOUT, *NUM_THREADS).ok()
},
num_threads: *NUM_THREADS,
}
}))
}
pub fn borrow(&self) -> AtomicRef<PerDocumentStyleDataImpl> {
self.0.borrow()
}
pub fn borrow_mut(&self) -> AtomicRefMut<PerDocumentStyleDataImpl> {
self.0.borrow_mut()
}
}
impl PerDocumentStyleDataImpl {
pub fn flush_stylesheets(&mut self) {
// The stylist wants to be flushed if either the stylesheets change or the
// device dimensions change. When we add support for media queries, we'll
@ -96,7 +109,7 @@ unsafe impl HasFFI for PerDocumentStyleData {
unsafe impl HasSimpleFFI for PerDocumentStyleData {}
unsafe impl HasBoxFFI for PerDocumentStyleData {}
impl Drop for PerDocumentStyleData {
impl Drop for PerDocumentStyleDataImpl {
fn drop(&mut self) {
if let Some(ref mut queue) = self.work_queue {
queue.shutdown();

14
components/style/gecko_bindings/bindings.rs
View file

@ -826,21 +826,21 @@ extern "C" {
pub fn Servo_StyleSet_Drop(set: RawServoStyleSetOwned);
}
extern "C" {
pub fn Servo_StyleSet_AppendStyleSheet(set: RawServoStyleSetBorrowedMut,
pub fn Servo_StyleSet_AppendStyleSheet(set: RawServoStyleSetBorrowed,
sheet: RawServoStyleSheetBorrowed);
}
extern "C" {
pub fn Servo_StyleSet_PrependStyleSheet(set: RawServoStyleSetBorrowedMut,
pub fn Servo_StyleSet_PrependStyleSheet(set: RawServoStyleSetBorrowed,
sheet:
RawServoStyleSheetBorrowed);
}
extern "C" {
pub fn Servo_StyleSet_RemoveStyleSheet(set: RawServoStyleSetBorrowedMut,
pub fn Servo_StyleSet_RemoveStyleSheet(set: RawServoStyleSetBorrowed,
sheet: RawServoStyleSheetBorrowed);
}
extern "C" {
pub fn Servo_StyleSet_InsertStyleSheetBefore(set:
RawServoStyleSetBorrowedMut,
RawServoStyleSetBorrowed,
sheet:
RawServoStyleSheetBorrowed,
reference:
@ -912,7 +912,7 @@ extern "C" {
ServoComputedValuesBorrowedOrNull,
pseudoTag: *mut nsIAtom,
set:
RawServoStyleSetBorrowedMut)
RawServoStyleSetBorrowed)
-> ServoComputedValuesStrong;
}
extern "C" {
@ -922,7 +922,7 @@ extern "C" {
RawGeckoElementBorrowed,
pseudo_tag: *mut nsIAtom,
set:
RawServoStyleSetBorrowedMut,
RawServoStyleSetBorrowed,
is_probe: bool)
-> ServoComputedValuesStrong;
}
@ -953,7 +953,7 @@ extern "C" {
}
extern "C" {
pub fn Servo_RestyleSubtree(node: RawGeckoNodeBorrowed,
set: RawServoStyleSetBorrowedMut);
set: RawServoStyleSetBorrowed);
}
extern "C" {
pub fn Servo_GetStyleFont(computed_values:

35
ports/geckolib/glue.rs
View file

@ -15,7 +15,7 @@ use std::sync::{Arc, Mutex};
use std::sync::atomic::{AtomicBool, AtomicPtr, Ordering};
use style::arc_ptr_eq;
use style::context::{LocalStyleContextCreationInfo, ReflowGoal, SharedStyleContext};
use style::dom::{NodeInfo, TDocument, TElement, TNode};
use style::dom::{NodeInfo, TElement, TNode};
use style::error_reporting::StdoutErrorReporter;
use style::gecko::data::{NUM_THREADS, PerDocumentStyleData};
use style::gecko::selector_impl::{GeckoSelectorImpl, PseudoElement};
@ -31,7 +31,6 @@ use style::gecko_bindings::bindings::{ServoDeclarationBlockBorrowed, ServoDeclar
use style::gecko_bindings::bindings::{ThreadSafePrincipalHolder, ThreadSafeURIHolder};
use style::gecko_bindings::bindings::{nsHTMLCSSStyleSheet, ServoComputedValuesBorrowedOrNull};
use style::gecko_bindings::bindings::Gecko_Utf8SliceToString;
use style::gecko_bindings::bindings::RawServoStyleSetBorrowedMut;
use style::gecko_bindings::ptr::{GeckoArcPrincipal, GeckoArcURI};
use style::gecko_bindings::structs::{SheetParsingMode, nsIAtom};
use style::gecko_bindings::structs::ServoElementSnapshot;
@ -77,7 +76,7 @@ pub extern "C" fn Servo_Shutdown() -> () {
unsafe { ComputedValues::shutdown(); }
}
fn restyle_subtree(node: GeckoNode, raw_data: RawServoStyleSetBorrowedMut) {
fn restyle_subtree(node: GeckoNode, raw_data: RawServoStyleSetBorrowed) {
debug_assert!(node.is_element() || node.is_text_node());
// Force the creation of our lazily-constructed initial computed values on
@ -90,7 +89,7 @@ fn restyle_subtree(node: GeckoNode, raw_data: RawServoStyleSetBorrowedMut) {
ComputedValues::initial_values();
// The stylist consumes stylesheets lazily.
let per_doc_data = PerDocumentStyleData::from_ffi_mut(raw_data);
let mut per_doc_data = PerDocumentStyleData::from_ffi(raw_data).borrow_mut();
per_doc_data.flush_stylesheets();
let local_context_data =
@ -122,7 +121,7 @@ fn restyle_subtree(node: GeckoNode, raw_data: RawServoStyleSetBorrowedMut) {
#[no_mangle]
pub extern "C" fn Servo_RestyleSubtree(node: RawGeckoNodeBorrowed,
raw_data: RawServoStyleSetBorrowedMut) -> () {
raw_data: RawServoStyleSetBorrowed) -> () {
let node = GeckoNode(node);
restyle_subtree(node, raw_data);
}
@ -200,9 +199,9 @@ pub extern "C" fn Servo_StyleSheet_FromUTF8Bytes(bytes: *const u8,
}
#[no_mangle]
pub extern "C" fn Servo_StyleSet_AppendStyleSheet(raw_data: RawServoStyleSetBorrowedMut,
pub extern "C" fn Servo_StyleSet_AppendStyleSheet(raw_data: RawServoStyleSetBorrowed,
raw_sheet: RawServoStyleSheetBorrowed) {
let data = PerDocumentStyleData::from_ffi_mut(raw_data);
let mut data = PerDocumentStyleData::from_ffi(raw_data).borrow_mut();
let sheet = HasArcFFI::as_arc(&raw_sheet);
data.stylesheets.retain(|x| !arc_ptr_eq(x, sheet));
data.stylesheets.push(sheet.clone());
@ -210,9 +209,9 @@ pub extern "C" fn Servo_StyleSet_AppendStyleSheet(raw_data: RawServoStyleSetBorr
}
#[no_mangle]
pub extern "C" fn Servo_StyleSet_PrependStyleSheet(raw_data: RawServoStyleSetBorrowedMut,
pub extern "C" fn Servo_StyleSet_PrependStyleSheet(raw_data: RawServoStyleSetBorrowed,
raw_sheet: RawServoStyleSheetBorrowed) {
let data = PerDocumentStyleData::from_ffi_mut(raw_data);
let mut data = PerDocumentStyleData::from_ffi(raw_data).borrow_mut();
let sheet = HasArcFFI::as_arc(&raw_sheet);
data.stylesheets.retain(|x| !arc_ptr_eq(x, sheet));
data.stylesheets.insert(0, sheet.clone());
@ -220,10 +219,10 @@ pub extern "C" fn Servo_StyleSet_PrependStyleSheet(raw_data: RawServoStyleSetBor
}
#[no_mangle]
pub extern "C" fn Servo_StyleSet_InsertStyleSheetBefore(raw_data: RawServoStyleSetBorrowedMut,
pub extern "C" fn Servo_StyleSet_InsertStyleSheetBefore(raw_data: RawServoStyleSetBorrowed,
raw_sheet: RawServoStyleSheetBorrowed,
raw_reference: RawServoStyleSheetBorrowed) {
let data = PerDocumentStyleData::from_ffi_mut(raw_data);
let mut data = PerDocumentStyleData::from_ffi(raw_data).borrow_mut();
let sheet = HasArcFFI::as_arc(&raw_sheet);
let reference = HasArcFFI::as_arc(&raw_reference);
data.stylesheets.retain(|x| !arc_ptr_eq(x, sheet));
@ -233,9 +232,9 @@ pub extern "C" fn Servo_StyleSet_InsertStyleSheetBefore(raw_data: RawServoStyleS
}
#[no_mangle]
pub extern "C" fn Servo_StyleSet_RemoveStyleSheet(raw_data: RawServoStyleSetBorrowedMut,
pub extern "C" fn Servo_StyleSet_RemoveStyleSheet(raw_data: RawServoStyleSetBorrowed,
raw_sheet: RawServoStyleSheetBorrowed) {
let data = PerDocumentStyleData::from_ffi_mut(raw_data);
let mut data = PerDocumentStyleData::from_ffi(raw_data).borrow_mut();
let sheet = HasArcFFI::as_arc(&raw_sheet);
data.stylesheets.retain(|x| !arc_ptr_eq(x, sheet));
data.stylesheets_changed = true;
@ -277,10 +276,10 @@ pub extern "C" fn Servo_ComputedValues_Get(node: RawGeckoNodeBorrowed)
#[no_mangle]
pub extern "C" fn Servo_ComputedValues_GetForAnonymousBox(parent_style_or_null: ServoComputedValuesBorrowedOrNull,
pseudo_tag: *mut nsIAtom,
raw_data: RawServoStyleSetBorrowedMut)
raw_data: RawServoStyleSetBorrowed)
-> ServoComputedValuesStrong {
// The stylist consumes stylesheets lazily.
let data = PerDocumentStyleData::from_ffi_mut(raw_data);
let mut data = PerDocumentStyleData::from_ffi(raw_data).borrow_mut();
data.flush_stylesheets();
let atom = Atom::from(pseudo_tag);
@ -296,7 +295,7 @@ pub extern "C" fn Servo_ComputedValues_GetForAnonymousBox(parent_style_or_null:
pub extern "C" fn Servo_ComputedValues_GetForPseudoElement(parent_style: ServoComputedValuesBorrowed,
match_element: RawGeckoElementBorrowed,
pseudo_tag: *mut nsIAtom,
raw_data: RawServoStyleSetBorrowedMut,
raw_data: RawServoStyleSetBorrowed,
is_probe: bool)
-> ServoComputedValuesStrong {
debug_assert!(!(match_element as *const _).is_null());
@ -313,7 +312,7 @@ pub extern "C" fn Servo_ComputedValues_GetForPseudoElement(parent_style: ServoCo
let pseudo = PseudoElement::from_atom_unchecked(atom, /* anon_box = */ false);
// The stylist consumes stylesheets lazily.
let data = PerDocumentStyleData::from_ffi_mut(raw_data);
let mut data = PerDocumentStyleData::from_ffi(raw_data).borrow_mut();
data.flush_stylesheets();
let element = GeckoElement(match_element);
@ -518,7 +517,7 @@ pub extern "C" fn Servo_CSSSupports(property: *const u8, property_length: u32,
pub extern "C" fn Servo_ComputeRestyleHint(element: RawGeckoElementBorrowed,
snapshot: *mut ServoElementSnapshot,
raw_data: RawServoStyleSetBorrowed) -> nsRestyleHint {
let per_doc_data = PerDocumentStyleData::from_ffi(raw_data);
let per_doc_data = PerDocumentStyleData::from_ffi(raw_data).borrow();
let snapshot = unsafe { GeckoElementSnapshot::from_raw(snapshot) };
let element = GeckoElement(element);