/* -*- 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_BroadcastChannel_h

#define mozilla_dom_BroadcastChannel_h

#include "mozilla/Attributes.h"

#include "mozilla/DOMEventTargetHelper.h"

#include "nsAutoPtr.h"

#include "nsTArray.h"

#include "mozilla/RefPtr.h"

class nsPIDOMWindowInner;

namespace mozilla {

namespace ipc {

class PrincipalInfo;

} // namespace ipc

namespace dom {

class BroadcastChannelChild;

class BroadcastChannelMessage;

class WorkerRef;

class BroadcastChannel final

  : public DOMEventTargetHelper

{

  friend class BroadcastChannelChild;

  typedef mozilla::ipc::PrincipalInfo PrincipalInfo;

public:

  NS_DECL_ISUPPORTS_INHERITED

  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(BroadcastChannel,

                                           DOMEventTargetHelper)

  virtual JSObject*

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

  static already_AddRefed<BroadcastChannel>

  Constructor(const GlobalObject& aGlobal, const nsAString& aChannel,

              ErrorResult& aRv);

  void GetName(nsAString& aName) const

  {

    aName = mChannel;

  }

  void PostMessage(JSContext* aCx, JS::Handle<JS::Value> aMessage,

                   ErrorResult& aRv);

  void Close();

  IMPL_EVENT_HANDLER(message)

  IMPL_EVENT_HANDLER(messageerror)

  void Shutdown();

private:

  BroadcastChannel(nsPIDOMWindowInner* aWindow,

                   const nsAString& aChannel);

  ~BroadcastChannel();

  void RemoveDocFromBFCache();

  void DisconnectFromOwner() override;

  RefPtr<BroadcastChannelChild> mActor;

  RefPtr<WorkerRef> mWorkerRef;

  nsString mChannel;

  enum {

    StateActive,

    StateClosed

  } mState;

};

} // namespace dom

} // namespace mozilla

#endif // mozilla_dom_BroadcastChannel_h