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Hoist most styling functionality from TNode to TElement.

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MozReview-Commit-ID: DZ8ZrsZIiAU
This commit is contained in:
Bobby Holley 2016-10-26 22:56:59 -07:00
parent 47d29fd056
commit 5442fbec3f
17 changed files with 399 additions and 363 deletions
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18
components/style/parallel.rs
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@ -8,7 +8,7 @@
#![allow(unsafe_code)]
use dom::{OpaqueNode, StylingMode, TNode, UnsafeNode};
use dom::{OpaqueNode, StylingMode, TElement, TNode, UnsafeNode};
use std::mem;
use std::sync::atomic::Ordering;
use traversal::{RestyleResult, DomTraversalContext};
@ -47,7 +47,7 @@ pub fn traverse_dom<N, C>(root: N,
where N: TNode,
C: DomTraversalContext<N>
{
debug_assert!(root.styling_mode() != StylingMode::Stop);
debug_assert!(root.as_element().unwrap().styling_mode() != StylingMode::Stop);
if opts::get().style_sharing_stats {
STYLE_SHARING_CACHE_HITS.store(0, Ordering::SeqCst);
STYLE_SHARING_CACHE_MISSES.store(0, Ordering::SeqCst);
@ -84,7 +84,7 @@ fn top_down_dom<N, C>(unsafe_nodes: UnsafeNodeList,
// Perform the appropriate traversal.
let mut children_to_process = 0isize;
if let RestyleResult::Continue = context.process_preorder(node) {
C::traverse_children(node, |kid| {
C::traverse_children(node.as_element().unwrap(), |kid| {
children_to_process += 1;
discovered_child_nodes.push(kid.to_unsafe())
});
@ -93,11 +93,13 @@ fn top_down_dom<N, C>(unsafe_nodes: UnsafeNodeList,
// Reset the count of children if we need to do a bottom-up traversal
// after the top up.
if context.needs_postorder_traversal() {
node.store_children_to_process(children_to_process);
// If there were no more children, start walking back up.
if children_to_process == 0 {
// If there were no more children, start walking back up.
bottom_up_dom::<N, C>(unsafe_nodes.1, unsafe_node, proxy)
} else {
// Otherwise record the number of children to process when the
// time comes.
node.as_element().unwrap().store_children_to_process(children_to_process);
}
}
}
@ -139,7 +141,7 @@ fn bottom_up_dom<N, C>(root: OpaqueNode,
// Perform the appropriate operation.
context.process_postorder(node);
let parent = match node.layout_parent_node(root) {
let parent = match node.layout_parent_element(root) {
None => break,
Some(parent) => parent,
};
@ -151,6 +153,6 @@ fn bottom_up_dom<N, C>(root: OpaqueNode,
}
// We were the last child of our parent. Construct flows for our parent.
node = parent;
node = parent.as_node();
}
}