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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at */
#ifndef mozilla_dom_HTMLSlotElement_h
#define mozilla_dom_HTMLSlotElement_h
#include "nsGenericHTMLElement.h"
#include "nsTArray.h"
namespace mozilla {
namespace dom {
struct AssignedNodesOptions;
class HTMLSlotElement final : public nsGenericHTMLElement {
explicit HTMLSlotElement(
already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
virtual nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
// nsIContent
virtual nsresult BindToTree(BindContext&, nsINode& aParent) override;
virtual void UnbindFromTree(bool aNullParent) override;
virtual nsresult BeforeSetAttr(int32_t aNameSpaceID, nsAtom* aName,
const nsAttrValueOrString* aValue,
bool aNotify) override;
virtual nsresult AfterSetAttr(int32_t aNameSpaceID, nsAtom* aName,
const nsAttrValue* aValue,
const nsAttrValue* aOldValue,
nsIPrincipal* aSubjectPrincipal,
bool aNotify) override;
// WebIDL
void SetName(const nsAString& aName, ErrorResult& aRv) {
SetHTMLAttr(nsGkAtoms::name, aName, aRv);
void GetName(nsAString& aName) { GetHTMLAttr(nsGkAtoms::name, aName); }
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, nsIContent&);
void AppendAssignedNode(nsIContent&);
void RemoveAssignedNode(nsIContent&);
void ClearAssignedNodes();
void EnqueueSlotChangeEvent();
void RemovedFromSignalSlotList() {
mInSignalSlotList = false;
void FireSlotChangeEvent();
virtual ~HTMLSlotElement();
JSObject* WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) final;
nsTArray<RefPtr<nsINode>> mAssignedNodes;
// Whether we're in the signal slot list of our unit of related similar-origin
// browsing contexts.
bool mInSignalSlotList = false;
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_HTMLSlotElement_h