dom/messagechannel/MessageChannel.h
author Kyle Huey <khuey@kylehuey.com>
Sat, 30 Jan 2016 09:05:36 -0800
changeset 320665 e22b3043887ed36bf2c634c2924a7c8d39d226b1
parent 303345 e8c7dfe727cd970e2c3294934e2927b14143c205
child 323673 c42ff68476314d5fc849f9a90e5195000ccf2128
permissions -rw-r--r--
Bug 1241764: Replace nsPIDOMWindow with nsPIDOMWindowInner/Outer. r=mrbkap,smaug

/* -*- 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_MessageChannel_h
#define mozilla_dom_MessageChannel_h

#include "mozilla/Attributes.h"
#include "mozilla/ErrorResult.h"
#include "mozilla/dom/BindingDeclarations.h"
#include "nsCycleCollectionParticipant.h"
#include "nsWrapperCache.h"
#include "nsCOMPtr.h"

class nsPIDOMWindowInner;

namespace mozilla {
namespace dom {

class MessagePort;

class MessageChannel final : public nsISupports
                           , public nsWrapperCache
{
public:
  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(MessageChannel)

  nsPIDOMWindowInner*
  GetParentObject() const
  {
    return mWindow;
  }

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

  static already_AddRefed<MessageChannel>
  Constructor(const GlobalObject& aGlobal, ErrorResult& aRv);

  static already_AddRefed<MessageChannel>
  Constructor(nsPIDOMWindowInner* aWindow, ErrorResult& aRv);

  MessagePort*
  Port1() const
  {
    return mPort1;
  }

  MessagePort*
  Port2() const
  {
    return mPort2;
  }

private:
  explicit MessageChannel(nsPIDOMWindowInner* aWindow);
  ~MessageChannel();

  nsCOMPtr<nsPIDOMWindowInner> mWindow;

  RefPtr<MessagePort> mPort1;
  RefPtr<MessagePort> mPort2;
};

} // namespace dom
} // namespace mozilla

#endif // mozilla_dom_MessageChannel_h