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Improve some ergonomics around pseudo-elements.

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I think a lot of the current indirection predates the crate merge.

MozReview-Commit-ID: FM28dgZa5go
This commit is contained in:
Bobby Holley 2017-03-31 17:46:48 -07:00
parent e8ed3e0b7f
commit 1ff008caa3
5 changed files with 53 additions and 46 deletions
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8
components/style/stylist.rs
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@ -345,7 +345,7 @@ impl Stylist {
parent: Option<&Arc<ComputedValues>>,
cascade_flags: CascadeFlags)
-> ComputedStyle {
debug_assert!(SelectorImpl::pseudo_element_cascade_type(pseudo).is_precomputed());
debug_assert!(pseudo.is_precomputed());
let rule_node = match self.precomputed_pseudo_element_decls.get(pseudo) {
Some(declarations) => {
@ -435,7 +435,7 @@ impl Stylist {
fmt::Debug +
PresentationalHintsSynthetizer
{
debug_assert!(SelectorImpl::pseudo_element_cascade_type(pseudo).is_lazy());
debug_assert!(pseudo.is_lazy());
if self.pseudos_map.get(pseudo).is_none() {
return None;
}
@ -603,9 +603,7 @@ impl Stylist {
debug_assert!(!self.is_device_dirty);
debug_assert!(style_attribute.is_none() || pseudo_element.is_none(),
"Style attributes do not apply to pseudo-elements");
debug_assert!(pseudo_element.is_none() ||
!SelectorImpl::pseudo_element_cascade_type(pseudo_element.as_ref().unwrap())
.is_precomputed());
debug_assert!(pseudo_element.as_ref().map_or(true, |p| !p.is_precomputed()));
let map = match pseudo_element {
Some(ref pseudo) => self.pseudos_map.get(pseudo).unwrap(),