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Move children_to_process to layout.

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We don't need this for Gecko, and it's hard to implement in that case because
there's nowhere obvious to put it (we don't plan to create TSDs for non-dirty
nodes, and non-dirty nodes can have dirty children which require the
children_to_process atomic). There are various solutions here, but punting is
the easiest.

We'll need to rethink this if/when we need to do a bottom-up traversal for
Gecko.
This commit is contained in:
Bobby Holley 2016-10-08 18:08:01 -07:00
parent b1d8eff467
commit c72fffa8f8
8 changed files with 74 additions and 44 deletions
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20
components/style/data.rs
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@ -9,7 +9,6 @@ use selector_impl::PseudoElement;
use std::collections::HashMap;
use std::hash::BuildHasherDefault;
use std::sync::Arc;
use std::sync::atomic::AtomicIsize;
pub struct PersistentStyleData {
/// The results of CSS styling for this node.
@ -18,9 +17,6 @@ pub struct PersistentStyleData {
/// The results of CSS styling for each pseudo-element (if any).
pub per_pseudo: HashMap<PseudoElement, Arc<ComputedValues>,
BuildHasherDefault<::fnv::FnvHasher>>,
/// Information needed during parallel traversals.
pub parallel: DomParallelInfo,
}
impl PersistentStyleData {
@ -28,22 +24,6 @@ impl PersistentStyleData {
PersistentStyleData {
style: None,
per_pseudo: HashMap::with_hasher(Default::default()),
parallel: DomParallelInfo::new(),
}
}
}
/// Information that we need stored in each DOM node.
#[cfg_attr(feature = "servo", derive(HeapSizeOf))]
pub struct DomParallelInfo {
/// The number of children that still need work done.
pub children_to_process: AtomicIsize,
}
impl DomParallelInfo {
pub fn new() -> DomParallelInfo {
DomParallelInfo {
children_to_process: AtomicIsize::new(0),
}
}
}