/* -*- 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_network_Connection_h
#define mozilla_dom_network_Connection_h

#include "mozilla/DOMEventTargetHelper.h"
#include "mozilla/dom/NetworkInformationBinding.h"
#include "nsContentUtils.h"
#include "nsCycleCollectionParticipant.h"
#include "nsINetworkProperties.h"

namespace mozilla {

namespace hal {
class NetworkInformation;
} // namespace hal

namespace dom {

namespace workers {
class WorkerPrivate;
} // namespace workers

namespace network {

class Connection : public DOMEventTargetHelper
                 , public nsINetworkProperties
{
public:
  NS_DECL_ISUPPORTS_INHERITED
  NS_DECL_NSINETWORKPROPERTIES
  NS_DECL_OWNINGTHREAD

  NS_REALLY_FORWARD_NSIDOMEVENTTARGET(DOMEventTargetHelper)

  static bool IsEnabled(JSContext* aCx, JSObject* aObj);

  static Connection*
  CreateForWindow(nsPIDOMWindowInner* aWindow);

  static already_AddRefed<Connection>
  CreateForWorker(workers::WorkerPrivate* aWorkerPrivate,
                  ErrorResult& aRv);

  void Shutdown();

  // WebIDL

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

  ConnectionType Type() const
  {
    return nsContentUtils::ShouldResistFingerprinting() ?
             static_cast<ConnectionType>(ConnectionType::Unknown) : mType;
  }

  IMPL_EVENT_HANDLER(typechange)

protected:
  Connection(nsPIDOMWindowInner* aWindow);
  virtual ~Connection();

  void Update(ConnectionType aType, bool aIsWifi, uint32_t aDHCPGateway,
              bool aNotify);

  virtual void ShutdownInternal() = 0;

private:
  /**
   * The type of current connection.
   */
  ConnectionType mType;

  /**
   * If the connection is WIFI
   */
  bool mIsWifi;

  /**
   * DHCP Gateway information for IPV4, in network byte order. 0 if unassigned.
   */
  uint32_t mDHCPGateway;

  bool mBeenShutDown;
};

} // namespace network
} // namespace dom
} // namespace mozilla

#endif // mozilla_dom_network_Connection_h
