/* 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"; loader.lazyGetter(this, "ppmm", () => { return Cc["@mozilla.org/parentprocessmessagemanager;1"].getService(); }); class ProcessActorList { constructor() { this._actors = new Map(); this._onListChanged = null; this._mustNotify = false; this._hasObserver = false; } getList() { const processes = []; for (let i = 0; i < ppmm.childCount; i++) { const mm = ppmm.getChildAt(i); processes.push({ // An ID of zero is always used for the parent. It would be nice to fix // this so that the pid is also used for the parent, see bug 1587443. id: mm.isInProcess ? 0 : mm.osPid, parent: mm.isInProcess, // TODO: exposes process message manager on frameloaders in order to compute this tabCount: undefined, }); } this._mustNotify = true; this._checkListening(); return processes; } get onListChanged() { return this._onListChanged; } set onListChanged(onListChanged) { if (typeof onListChanged !== "function" && onListChanged !== null) { throw new Error("onListChanged must be either a function or null."); } if (onListChanged === this._onListChanged) { return; } this._onListChanged = onListChanged; this._checkListening(); } _checkListening() { if (this._onListChanged !== null && this._mustNotify) { if (!this._hasObserver) { Services.obs.addObserver(this, "ipc:content-created"); Services.obs.addObserver(this, "ipc:content-shutdown"); this._hasObserver = true; } } else if (this._hasObserver) { Services.obs.removeObserver(this, "ipc:content-created"); Services.obs.removeObserver(this, "ipc:content-shutdown"); this._hasObserver = false; } } observe() { if (this._mustNotify) { this._onListChanged(); this._mustNotify = false; } } } exports.ProcessActorList = ProcessActorList;