SVGSwitchElement.h

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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 DOM_SVG_SVGSWITCHELEMENT_H_

#define DOM_SVG_SVGSWITCHELEMENT_H_

#include "mozilla/dom/SVGGraphicsElement.h"

#include "nsCOMPtr.h"

nsresult NS_NewSVGSwitchElement(

    nsIContent** aResult, already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);

namespace mozilla {

class ErrorResult;

namespace dom {

using SVGSwitchElementBase = SVGGraphicsElement;

class SVGSwitchElement final : public SVGSwitchElementBase {

 protected:

  friend nsresult(::NS_NewSVGSwitchElement(

      nsIContent** aResult,

      already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo));

  explicit SVGSwitchElement(

      already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);

  ~SVGSwitchElement() = default;

  JSObject* WrapNode(JSContext* aCx,

                     JS::Handle<JSObject*> aGivenProto) override;

 public:

  NS_IMPL_FROMNODE_WITH_TAG(SVGSwitchElement, kNameSpaceID_SVG, svgSwitch)

  nsIContent* GetActiveChild() const { return mActiveChild; }

  void MaybeInvalidate();

  // interfaces:

  NS_DECL_ISUPPORTS_INHERITED

  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(SVGSwitchElement,

                                           SVGSwitchElementBase)

  // nsINode

  virtual void InsertChildBefore(nsIContent* aKid, nsIContent* aBeforeThis,

                                 bool aNotify, ErrorResult& aRv) override;

  void RemoveChildNode(nsIContent* aKid, bool aNotify) override;

  // nsIContent

  nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;

 private:

  // only this child will be displayed

  nsCOMPtr<nsIContent> mActiveChild;

};

}  // namespace dom

}  // namespace mozilla

#endif  // DOM_SVG_SVGSWITCHELEMENT_H_