/* -*- 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_SVGStyleElement_h

#define mozilla_dom_SVGStyleElement_h

#include "mozilla/Attributes.h"

#include "nsSVGElement.h"

#include "nsStyleLinkElement.h"

#include "nsStubMutationObserver.h"

nsresult NS_NewSVGStyleElement(nsIContent **aResult,

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

typedef nsSVGElement SVGStyleElementBase;

namespace mozilla {

namespace dom {

class SVGStyleElement final : public SVGStyleElementBase,

                              public nsStyleLinkElement,

                              public nsStubMutationObserver

{

protected:

  friend nsresult (::NS_NewSVGStyleElement(nsIContent **aResult,

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

  explicit SVGStyleElement(already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);

  ~SVGStyleElement();

  virtual JSObject* WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto) override;

public:

  NS_DECL_ISUPPORTS_INHERITED

  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(SVGStyleElement,

                                           SVGStyleElementBase)

  // nsIContent

  virtual nsresult BindToTree(nsIDocument* aDocument, nsIContent* aParent,

                              nsIContent* aBindingParent) override;

  virtual void UnbindFromTree(bool aDeep = true,

                              bool aNullParent = true) override;

  virtual nsresult AfterSetAttr(int32_t aNameSpaceID, nsAtom* aName,

                                const nsAttrValue* aValue,

                                const nsAttrValue* aOldValue,

                                nsIPrincipal* aMaybeScriptedPrincipal,

                                bool aNotify) override;

  virtual bool ParseAttribute(int32_t aNamespaceID,

                              nsAtom* aAttribute,

                              const nsAString& aValue,

                              nsIPrincipal* aMaybeScriptedPrincipal,

                              nsAttrValue& aResult) override;

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

  // nsIMutationObserver

  NS_DECL_NSIMUTATIONOBSERVER_CHARACTERDATACHANGED

  NS_DECL_NSIMUTATIONOBSERVER_CONTENTAPPENDED

  NS_DECL_NSIMUTATIONOBSERVER_CONTENTINSERTED

  NS_DECL_NSIMUTATIONOBSERVER_CONTENTREMOVED

  // WebIDL

  void GetXmlspace(nsAString & aXmlspace);

  void SetXmlspace(const nsAString & aXmlspace, ErrorResult& rv);

  void GetMedia(nsAString & aMedia);

  void SetMedia(const nsAString& aMedia, ErrorResult& rv);

  void GetType(nsAString & aType);

  void SetType(const nsAString& aType, ErrorResult& rv);

  void GetTitle(nsAString & aTitle);

  void SetTitle(const nsAString& aTitle, ErrorResult& rv);

protected:

  // Dummy init method to make the NS_IMPL_NS_NEW_SVG_ELEMENT and

  // NS_IMPL_ELEMENT_CLONE_WITH_INIT usable with this class. This should be

  // completely optimized away.

  inline nsresult Init()

  {

    return NS_OK;

  }

  // nsStyleLinkElement overrides

  Maybe<SheetInfo> GetStyleSheetInfo() final;

  /**

   * Common method to call from the various mutation observer methods.

   * aContent is a content node that's either the one that changed or its

   * parent; we should only respond to the change if aContent is non-anonymous.

   */

  void ContentChanged(nsIContent* aContent);

};

} // namespace dom

} // namespace mozilla

#endif // mozilla_dom_SVGStyleElement_h