/* -*- 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/. */

#include "Connection.h"

#include "ConnectionMainThread.h"

#include "ConnectionWorker.h"

#include "Constants.h"

#include "mozilla/Telemetry.h"

#include "mozilla/dom/WorkerPrivate.h"

/**

 * We have to use macros here because our leak analysis tool things we are

 * leaking strings when we have |static const nsString|. Sad :(

 */

#define CHANGE_EVENT_NAME NS_LITERAL_STRING("typechange")

namespace mozilla {

namespace dom {

namespace network {

NS_IMPL_QUERY_INTERFACE_INHERITED(Connection, DOMEventTargetHelper,

                                  nsINetworkProperties)

// Don't use |Connection| alone, since that confuses nsTraceRefcnt since

// we're not the only class with that name.

NS_IMPL_ADDREF_INHERITED(dom::network::Connection, DOMEventTargetHelper)

NS_IMPL_RELEASE_INHERITED(dom::network::Connection, DOMEventTargetHelper)

Connection::Connection(nsPIDOMWindowInner* aWindow)

  : DOMEventTargetHelper(aWindow)

  , mType(static_cast<ConnectionType>(kDefaultType))

  , mIsWifi(kDefaultIsWifi)

  , mDHCPGateway(kDefaultDHCPGateway)

  , mBeenShutDown(false)

{

  Telemetry::Accumulate(Telemetry::NETWORK_CONNECTION_COUNT, 1);

}

Connection::~Connection()

{

  NS_ASSERT_OWNINGTHREAD(Connection);

  MOZ_ASSERT(mBeenShutDown);

}

void

Connection::Shutdown()

{

  NS_ASSERT_OWNINGTHREAD(Connection);

  if (mBeenShutDown) {

    return;

  }

  mBeenShutDown = true;

  ShutdownInternal();

}

NS_IMETHODIMP

Connection::GetIsWifi(bool* aIsWifi)

{

  NS_ENSURE_ARG_POINTER(aIsWifi);

  NS_ASSERT_OWNINGTHREAD(Connection);

  *aIsWifi = mIsWifi;

  return NS_OK;

}

NS_IMETHODIMP

Connection::GetDhcpGateway(uint32_t* aGW)

{

  NS_ENSURE_ARG_POINTER(aGW);

  NS_ASSERT_OWNINGTHREAD(Connection);

  *aGW = mDHCPGateway;

  return NS_OK;

}

JSObject*

Connection::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)

{

  return NetworkInformation_Binding::Wrap(aCx, this, aGivenProto);

}

void

Connection::Update(ConnectionType aType, bool aIsWifi, uint32_t aDHCPGateway,

                   bool aNotify)

{

  NS_ASSERT_OWNINGTHREAD(Connection);

  ConnectionType previousType = mType;

  mType = aType;

  mIsWifi = aIsWifi;

  mDHCPGateway = aDHCPGateway;

  if (aNotify && previousType != aType &&

      !nsContentUtils::ShouldResistFingerprinting()) {

    DispatchTrustedEvent(CHANGE_EVENT_NAME);

  }

}

/* static */ Connection*

Connection::CreateForWindow(nsPIDOMWindowInner* aWindow)

{

  MOZ_ASSERT(aWindow);

  return new ConnectionMainThread(aWindow);

}

/* static */ already_AddRefed<Connection>

Connection::CreateForWorker(WorkerPrivate* aWorkerPrivate,

                            ErrorResult& aRv)

{

  MOZ_ASSERT(aWorkerPrivate);

  aWorkerPrivate->AssertIsOnWorkerThread();

  return ConnectionWorker::Create(aWorkerPrivate, aRv);

}

} // namespace network

} // namespace dom

} // namespace mozilla