diff options
Diffstat (limited to 'components/script/dom/mutationobserver.rs')
| -rw-r--r-- | components/script/dom/mutationobserver.rs | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/components/script/dom/mutationobserver.rs b/components/script/dom/mutationobserver.rs index 48c8fe24b87..84d34af0149 100644 --- a/components/script/dom/mutationobserver.rs +++ b/components/script/dom/mutationobserver.rs @@ -29,9 +29,10 @@ pub struct MutationObserver { record_queue: DOMRefCell<Vec<Root<MutationRecord>>>, } -#[derive(Clone)] -pub enum Mutation { - Attribute { name: LocalName, namespace: Namespace, old_value: DOMString } +pub enum Mutation<'a> { + Attribute { name: LocalName, namespace: Namespace, old_value: DOMString }, + ChildList { added: Option<&'a [&'a Node]>, removed: Option<&'a [&'a Node]>, + prev: Option<&'a Node>, next: Option<&'a Node> }, } #[derive(HeapSizeOf, JSTraceable)] @@ -143,6 +144,12 @@ impl MutationObserver { interestedObservers.push((Root::from_ref(&*registered.observer), paired_string)); } + }, + Mutation::ChildList { .. } => { + if !registered.options.child_list { + continue; + } + interestedObservers.push((Root::from_ref(&*registered.observer), None)); } } } @@ -159,6 +166,9 @@ impl MutationObserver { None }; MutationRecord::attribute_mutated(target, name, namespace, paired_string.clone()) + }, + Mutation::ChildList { ref added, ref removed, ref next, ref prev } => { + MutationRecord::child_list_mutated(target, *added, *removed, *next, *prev) } }; // Step 4.8 |