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-rw-r--r--dom/html/HTMLSlotElement.cpp11
-rw-r--r--dom/html/HTMLSlotElement.h3
-rw-r--r--dom/webidl/HTMLSlotElement.webidl1
3 files changed, 15 insertions, 0 deletions
diff --git a/dom/html/HTMLSlotElement.cpp b/dom/html/HTMLSlotElement.cpp
index 18b8ef87b..1c17037af 100644
--- a/dom/html/HTMLSlotElement.cpp
+++ b/dom/html/HTMLSlotElement.cpp
@@ -168,6 +168,17 @@ HTMLSlotElement::AssignedNodes(const AssignedNodesOptions& aOptions,
aNodes = mAssignedNodes;
}
+void HTMLSlotElement::AssignedElements(const AssignedNodesOptions& aOptions,
+ nsTArray<RefPtr<Element>>& aElements) {
+ AutoTArray<RefPtr<nsINode>, 128> assignedNodes;
+ AssignedNodes(aOptions, assignedNodes);
+ for (const RefPtr<nsINode>& assignedNode : assignedNodes) {
+ if (assignedNode->IsElement()) {
+ aElements.AppendElement(assignedNode->AsElement());
+ }
+ }
+}
+
const nsTArray<RefPtr<nsINode>>&
HTMLSlotElement::AssignedNodes() const
{
diff --git a/dom/html/HTMLSlotElement.h b/dom/html/HTMLSlotElement.h
index 0494a654e..51affc2af 100644
--- a/dom/html/HTMLSlotElement.h
+++ b/dom/html/HTMLSlotElement.h
@@ -55,6 +55,9 @@ public:
void AssignedNodes(const AssignedNodesOptions& aOptions,
nsTArray<RefPtr<nsINode>>& aNodes);
+ void AssignedElements(const AssignedNodesOptions& aOptions,
+ nsTArray<RefPtr<Element>>& aNodes);
+
// Helper methods
const nsTArray<RefPtr<nsINode>>& AssignedNodes() const;
void InsertAssignedNode(uint32_t aIndex, nsINode* aNode);
diff --git a/dom/webidl/HTMLSlotElement.webidl b/dom/webidl/HTMLSlotElement.webidl
index 24dfcf350..9fd2da628 100644
--- a/dom/webidl/HTMLSlotElement.webidl
+++ b/dom/webidl/HTMLSlotElement.webidl
@@ -15,6 +15,7 @@
interface HTMLSlotElement : HTMLElement {
[CEReactions, SetterThrows] attribute DOMString name;
sequence<Node> assignedNodes(optional AssignedNodesOptions options);
+ sequence<Element> assignedElements(optional AssignedNodesOptions options);
};
dictionary AssignedNodesOptions {