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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* 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 "nsISupports.idl"

%{C++
namespace mozilla {
namespace dom {
class ContentChild;
class JSActorManager;
} // namespace dom
} // namespace mozilla
%}
[ptr] native ContentChildPtr(mozilla::dom::ContentChild);
[ptr] native JSActorManagerPtr(mozilla::dom::JSActorManager);

webidl JSProcessActorChild;

/**
 * Child actor interface for a process which can host DOM content.
 *
 * Implemented by either `InProcessChild` for the parent process, or
 * `ContentChild` for a content process.
 */
[scriptable, builtinclass, uuid(b0c6e5f3-02f1-4f11-a0af-336fc231f3bf)]
interface nsIDOMProcessChild: nsISupports {
  %{C++
  /**
   * Get the nsIDOMProcessChild singleton for this content process. This will
   * either be an InProcessChild in the parent process, or ContentChild in the
   * child process.
   *
   * Implemented in ContentChild.cpp
   */
  static nsIDOMProcessChild* GetSingleton();
  %}

  /**
   * Internal child process ID. `0` is reserved for the parent process.
   */
  [infallible] readonly attribute unsigned long long childID;

  /**
   * Lookup a JSProcessActorChild managed by this interface by name.
   */
  [implicit_jscontext] JSProcessActorChild getActor(in ACString name);
  JSProcessActorChild getExistingActor(in ACString name);

  /** Can the actor still send messages? */
  [infallible] readonly attribute boolean canSend;

  [notxpcom, nostdcall] ContentChildPtr AsContentChild();

  /** Cast this nsIDOMProcessChild to a JSActorManager */
  [notxpcom, nostdcall] JSActorManagerPtr AsJSActorManager();
};