dom/cellbroadcast/CellBroadcast.h
author Jonas Sicking <jonas@sicking.cc>
Tue, 07 Jun 2016 02:46:03 -0700
changeset 341635 147ddb5ce6f068f307f34f7d0004e06f18aaa0f4
parent 320665 e22b3043887ed36bf2c634c2924a7c8d39d226b1
permissions -rw-r--r--
Bug 1263991 parts 2 and 2.5: Enable launching a server in the parent process. r=baku,ehsan, a=lizzard

/* -*- 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_CellBroadcast_h__
#define mozilla_dom_CellBroadcast_h__

#include "mozilla/Attributes.h"
#include "mozilla/DOMEventTargetHelper.h"
#include "mozilla/ErrorResult.h"
#include "nsICellBroadcastService.h"
#include "js/TypeDecls.h"

class nsPIDOMWindowInner;

namespace mozilla {
namespace dom {

class CellBroadcast final : public DOMEventTargetHelper,
                                private nsICellBroadcastListener
{
  /**
   * Class CellBroadcast doesn't actually expose nsICellBroadcastListener.
   * Instead, it owns an nsICellBroadcastListener derived instance mListener
   * and passes it to nsICellBroadcastService. The onreceived events are first
   * delivered to mListener and then forwarded to its owner, CellBroadcast. See
   * also bug 775997 comment #51.
   */
  class Listener;

  // final suppresses -Werror,-Wdelete-non-virtual-dtor
  ~CellBroadcast();

public:
  NS_DECL_ISUPPORTS_INHERITED
  NS_DECL_NSICELLBROADCASTLISTENER

  NS_REALLY_FORWARD_NSIDOMEVENTTARGET(DOMEventTargetHelper)

  static already_AddRefed<CellBroadcast>
  Create(nsPIDOMWindowInner* aOwner, ErrorResult& aRv);

  CellBroadcast() = delete;
  CellBroadcast(nsPIDOMWindowInner* aWindow,
                nsICellBroadcastService* aService);

  nsPIDOMWindowInner*
  GetParentObject() const { return GetOwner(); }

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

  IMPL_EVENT_HANDLER(received)

private:
  RefPtr<Listener> mListener;
};

} // namespace dom
} // namespace mozilla

#endif /* mozilla_dom_CellBroadcast_h__ */