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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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7
components/style/sequential.rs
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@ -4,7 +4,7 @@
//! Implements sequential traversal over the DOM tree.
use dom::{StylingMode, TNode};
use dom::{StylingMode, TElement, TNode};
use traversal::{RestyleResult, DomTraversalContext};
pub fn traverse_dom<N, C>(root: N,
@ -17,7 +17,8 @@ pub fn traverse_dom<N, C>(root: N,
C: DomTraversalContext<N>
{
if let RestyleResult::Continue = context.process_preorder(node) {
C::traverse_children(node, |kid| doit::<N, C>(context, kid));
C::traverse_children(node.as_element().unwrap(),
|kid| doit::<N, C>(context, kid));
}
if context.needs_postorder_traversal() {
@ -25,7 +26,7 @@ pub fn traverse_dom<N, C>(root: N,
}
}
debug_assert!(root.styling_mode() != StylingMode::Stop);
debug_assert!(root.as_element().unwrap().styling_mode() != StylingMode::Stop);
let context = C::new(shared, root.opaque());
doit::<N, C>(&context, root);