gecko-dev/dom/html/HTMLSlotElement.h

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2.7 KiB
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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 http://mozilla.org/MPL/2.0/. */
#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
{
public:
explicit HTMLSlotElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo);
NS_IMPL_FROMNODE_HTML_WITH_TAG(HTMLSlotElement, slot)
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(HTMLSlotElement, nsGenericHTMLElement)
virtual nsresult Clone(mozilla::dom::NodeInfo* aNodeInfo, nsINode** aResult,
bool aPreallocateChildren) const override;
// nsIContent
virtual nsresult BindToTree(nsIDocument* aDocument, nsIContent* aParent,
nsIContent* aBindingParent,
bool aCompileEventHandlers) override;
virtual void UnbindFromTree(bool aDeep = true,
bool aNullParent = true) 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);
// Helper methods
const nsTArray<RefPtr<nsINode>>& AssignedNodes() const;
void InsertAssignedNode(uint32_t aIndex, nsINode* aNode);
void AppendAssignedNode(nsINode* aNode);
void RemoveAssignedNode(nsINode* aNode);
void ClearAssignedNodes();
void EnqueueSlotChangeEvent() const;
void FireSlotChangeEvent();
protected:
virtual ~HTMLSlotElement();
virtual JSObject*
WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
nsTArray<RefPtr<nsINode>> mAssignedNodes;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_HTMLSlotElement_h