/* -*- 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_PermissionStatus_h_

#define mozilla_dom_PermissionStatus_h_

#include "mozilla/dom/PermissionsBinding.h"

#include "mozilla/dom/PermissionStatusBinding.h"

#include "mozilla/DOMEventTargetHelper.h"

namespace mozilla {

namespace dom {

class PermissionObserver;

class PermissionStatus final

  : public DOMEventTargetHelper

{

  friend class PermissionObserver;

public:

  static already_AddRefed<PermissionStatus> Create(nsPIDOMWindowInner* aWindow,

                                                   PermissionName aName,

                                                   ErrorResult& aRv);

  JSObject* WrapObject(JSContext* aCx,

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

  PermissionState State() const { return mState; }

  IMPL_EVENT_HANDLER(change)

  void

  DisconnectFromOwner() override;

private:

  ~PermissionStatus();

  PermissionStatus(nsPIDOMWindowInner* aWindow, PermissionName aName);

  nsresult Init();

  nsresult UpdateState();

  already_AddRefed<nsIPrincipal> GetPrincipal() const;

  void PermissionChanged();

  PermissionName mName;

  PermissionState mState;

  RefPtr<PermissionObserver> mObserver;

};

} // namespace dom

} // namespace mozilla

#endif // mozilla_dom_permissionstatus_h_