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Rename PrivateStyleData to PersistentStyleData and use AtomicRefCell instead of RefCell as a container.

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This allows us to eliminate the unsafe borrows. \o/

MozReview-Commit-ID: 29hpGaWUFQz
This commit is contained in:
Bobby Holley 2016-09-29 17:09:06 -07:00
parent 5bcc4192bf
commit 687e1f701c
12 changed files with 96 additions and 142 deletions
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6
components/layout_thread/lib.rs
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@ -86,7 +86,7 @@ use profile_traits::mem::{self, Report, ReportKind, ReportsChan};
use profile_traits::time::{self, TimerMetadata, profile};
use profile_traits::time::{TimerMetadataFrameType, TimerMetadataReflowType};
use script::layout_wrapper::{ServoLayoutDocument, ServoLayoutNode};
use script_layout_interface::{OpaqueStyleAndLayoutData, PartialStyleAndLayoutData};
use script_layout_interface::{OpaqueStyleAndLayoutData, PartialPersistentLayoutData};
use script_layout_interface::message::{Msg, NewLayoutThreadInfo, Reflow, ReflowQueryType, ScriptReflow};
use script_layout_interface::reporter::CSSErrorReporter;
use script_layout_interface::restyle_damage::{REFLOW, REFLOW_OUT_OF_FLOW, REPAINT, REPOSITION};
@ -104,6 +104,7 @@ use std::sync::{Arc, Mutex, MutexGuard, RwLock};
use std::sync::atomic::{AtomicUsize, Ordering};
use std::sync::mpsc::{Receiver, Sender, channel};
use style::animation::Animation;
use style::atomic_refcell::AtomicRefCell;
use style::computed_values::{filter, mix_blend_mode};
use style::context::{LocalStyleContextCreationInfo, ReflowGoal, SharedStyleContext};
use style::dom::{TDocument, TElement, TNode};
@ -112,7 +113,6 @@ use style::logical_geometry::LogicalPoint;
use style::media_queries::{Device, MediaType};
use style::parallel::WorkQueueData;
use style::parser::ParserContextExtraData;
use style::refcell::RefCell;
use style::selector_matching::Stylist;
use style::stylesheets::{CSSRuleIteratorExt, Origin, Stylesheet, UserAgentStylesheets};
use style::thread_state;
@ -1594,7 +1594,7 @@ impl LayoutThread {
/// Handles a message to destroy layout data. Layout data must be destroyed on *this* thread
/// because the struct type is transmuted to a different type on the script side.
unsafe fn handle_reap_style_and_layout_data(&self, data: OpaqueStyleAndLayoutData) {
let ptr: *mut RefCell<PartialStyleAndLayoutData> = *data.ptr;
let ptr: *mut AtomicRefCell<PartialPersistentLayoutData> = *data.ptr;
let non_opaque: NonOpaqueStyleAndLayoutData = ptr as *mut _;
let _ = Box::from_raw(non_opaque);
}