Bug 1325734 - Parameterize the style traversal on TElement instead of TNode. r=emilio

This works around the issue described in https://github.com/rust-lang/rust/issues/38917
This commit is contained in:
Bobby Holley 2017-01-07 22:41:55 -08:00
parent 962a4a79bb
commit 3060865577
6 changed files with 62 additions and 59 deletions

View file

@ -10,18 +10,18 @@ use dom::{TElement, TNode};
use traversal::{DomTraversal, PerLevelTraversalData, PreTraverseToken};
/// Do a sequential DOM traversal for layout or styling, generic over `D`.
pub fn traverse_dom<N, D>(traversal: &D,
root: N::ConcreteElement,
pub fn traverse_dom<E, D>(traversal: &D,
root: E,
token: PreTraverseToken)
where N: TNode,
D: DomTraversal<N>,
where E: TElement,
D: DomTraversal<E>,
{
debug_assert!(token.should_traverse());
fn doit<N, D>(traversal: &D, traversal_data: &mut PerLevelTraversalData,
thread_local: &mut D::ThreadLocalContext, node: N)
where N: TNode,
D: DomTraversal<N>
fn doit<E, D>(traversal: &D, traversal_data: &mut PerLevelTraversalData,
thread_local: &mut D::ThreadLocalContext, node: E::ConcreteNode)
where E: TElement,
D: DomTraversal<E>
{
traversal.process_preorder(traversal_data, thread_local, node);
if let Some(el) = node.as_element() {