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Implement MutationObserver childList mutations.

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This commit is contained in:
Imanol Fernandez 2017-05-18 17:06:24 +02:00
parent 864f5509d8
commit 0290e405ce
6 changed files with 112 additions and 119 deletions
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16
components/script/dom/mutationobserver.rs
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@ -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