/* -*- 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 nsDOMStringMap_h

#define nsDOMStringMap_h

#include "nsCycleCollectionParticipant.h"

#include "nsTArray.h"

#include "nsString.h"

#include "nsWrapperCache.h"

#include "mozilla/dom/Element.h"

#include "jsfriendapi.h" // For js::ExpandoAndGeneration

namespace mozilla {

class ErrorResult;

namespace dom {

class DocGroup;

} // namespace dom

} // namespace mozilla

class nsDOMStringMap : public nsStubMutationObserver,

                       public nsWrapperCache

{

public:

  NS_DECL_CYCLE_COLLECTING_ISUPPORTS

  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(nsDOMStringMap)

  NS_DECL_NSIMUTATIONOBSERVER_ATTRIBUTECHANGED

  nsINode* GetParentObject()

  {

    return mElement;

  }

  mozilla::dom::DocGroup* GetDocGroup() const;

  explicit nsDOMStringMap(mozilla::dom::Element* aElement);

  // WebIDL API

  virtual JSObject* WrapObject(JSContext *cx, JS::Handle<JSObject*> aGivenProto) override;

  void NamedGetter(const nsAString& aProp, bool& found,

                   mozilla::dom::DOMString& aResult) const;

  void NamedSetter(const nsAString& aProp, const nsAString& aValue,

                   mozilla::ErrorResult& rv);

  void NamedDeleter(const nsAString& aProp, bool &found);

  void GetSupportedNames(nsTArray<nsString>& aNames);

  js::ExpandoAndGeneration mExpandoAndGeneration;

private:

  virtual ~nsDOMStringMap();

protected:

  RefPtr<mozilla::dom::Element> mElement;

  // Flag to guard against infinite recursion.

  bool mRemovingProp;

  static bool DataPropToAttr(const nsAString& aProp, nsAutoString& aResult);

  static bool AttrToDataProp(const nsAString& aAttr, nsAutoString& aResult);

};

#endif