gecko-dev/toolkit/devtools/server/child.js

57 lines
1.9 KiB
JavaScript

/* 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);
})();