SVGStyleElement.h - mozsearch

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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_SVGSTYLEELEMENT_H_

#define DOM_SVG_SVGSTYLEELEMENT_H_

#include "mozilla/Attributes.h"

#include "mozilla/dom/LinkStyle.h"

#include "SVGElement.h"

#include "nsStubMutationObserver.h"

nsresult NS_NewSVGStyleElement(

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

namespace mozilla::dom {

using SVGStyleElementBase = SVGElement;

class SVGStyleElement final : public SVGStyleElementBase,

                              public nsStubMutationObserver,

                              public LinkStyle {

 protected:

  friend nsresult(::NS_NewSVGStyleElement(

      nsIContent** aResult,

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

  explicit SVGStyleElement(

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

  ~SVGStyleElement() = default;

  JSObject* WrapNode(JSContext* aCx,

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

 public:

  NS_DECL_ISUPPORTS_INHERITED

  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(SVGStyleElement, SVGStyleElementBase)

  // nsIContent

  nsresult BindToTree(BindContext&, nsINode& aParent) override;

  void UnbindFromTree(UnbindContext&) override;

  virtual void 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;

  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

  bool Disabled() const;

  void SetDisabled(bool aDisabled);

  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; }

  // LinkStyle overrides

  nsIContent& AsContent() final { return *this; }

  const LinkStyle* AsLinkStyle() const final { return this; }

  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 mozilla::dom

#endif  // DOM_SVG_SVGSTYLEELEMENT_H_