The Tor Browser / file revision

 /* 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/. */

 "use strict";

 let chromeGlobal = this;

 // Encapsulate in its own scope to allows loading this frame script

 // more than once.

 (function () {

   let Cu = Components.utils;

   let { devtools } = Cu.import("resource://gre/modules/devtools/Loader.jsm", {});

   const DevToolsUtils = devtools.require("devtools/toolkit/DevToolsUtils.js");

   const {DebuggerServer, ActorPool} = Cu.import("resource://gre/modules/devtools/dbg-server.jsm", {});

   if (!DebuggerServer.initialized) {

     DebuggerServer.init();

   }

   // In case of apps being loaded in parent process, DebuggerServer is already

   // initialized, but child specific actors are not registered.

   // Otherwise, for apps in child process, we need to load actors the first

   // time we load child.js

   DebuggerServer.addChildActors();

   let conn;

   let onConnect = DevToolsUtils.makeInfallible(function (msg) {

     removeMessageListener("debug:connect", onConnect);

     let mm = msg.target;

     conn = DebuggerServer.connectToParent(msg.data.prefix, mm);

     let actor = new DebuggerServer.ContentActor(conn, chromeGlobal);

     let actorPool = new ActorPool(conn);

     actorPool.addActor(actor);

     conn.addActorPool(actorPool);

     sendAsyncMessage("debug:actor", {actor: actor.grip()});

   });

   addMessageListener("debug:connect", onConnect);

   let onDisconnect = DevToolsUtils.makeInfallible(function (msg) {

     removeMessageListener("debug:disconnect", onDisconnect);

     // Call DebuggerServerConnection.close to destroy all child actors

     // (It should end up calling DebuggerServerConnection.onClosed

     // that would actually cleanup all actor pools)

     conn.close();

     conn = null;

   });

   addMessageListener("debug:disconnect", onDisconnect);

 })();