diff -r 000000000000 -r 6474c204b198 browser/devtools/framework/ToolboxProcess.jsm
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/devtools/framework/ToolboxProcess.jsm	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,272 @@
+/* -*- Mode: javascript; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ft=javascript ts=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/. */
+"use strict";
+
+const { classes: Cc, interfaces: Ci, utils: Cu } = Components;
+
+const DBG_XUL = "chrome://browser/content/devtools/framework/toolbox-process-window.xul";
+const CHROME_DEBUGGER_PROFILE_NAME = "-chrome-debugger";
+
+Cu.import("resource://gre/modules/Services.jsm");
+Cu.import("resource:///modules/devtools/ViewHelpers.jsm");
+
+Cu.import("resource://gre/modules/devtools/Loader.jsm");
+let require = devtools.require;
+let Telemetry = require("devtools/shared/telemetry");
+let EventEmitter = require("devtools/toolkit/event-emitter");
+const { Promise: promise } = Cu.import("resource://gre/modules/Promise.jsm", {});
+
+this.EXPORTED_SYMBOLS = ["BrowserToolboxProcess"];
+
+let processes = Set();
+
+/**
+ * Constructor for creating a process that will hold a chrome toolbox.
+ *
+ * @param function aOnClose [optional]
+ *        A function called when the process stops running.
+ * @param function aOnRun [optional]
+ *        A function called when the process starts running.
+ * @param object aOptions [optional]
+ *        An object with properties for configuring BrowserToolboxProcess.
+ */
+this.BrowserToolboxProcess = function BrowserToolboxProcess(aOnClose, aOnRun, aOptions) {
+  let emitter = new EventEmitter();
+  this.on = emitter.on.bind(emitter);
+  this.off = emitter.off.bind(emitter);
+  this.once = emitter.once.bind(emitter);
+  // Forward any events to the shared emitter.
+  this.emit = function(...args) {
+    emitter.emit(...args);
+    BrowserToolboxProcess.emit(...args);
+  }
+
+  // If first argument is an object, use those properties instead of
+  // all three arguments
+  if (typeof aOnClose === "object") {
+    if (aOnClose.onClose) {
+      this.on("close", aOnClose.onClose);
+    }
+    if (aOnClose.onRun) {
+      this.on("run", aOnClose.onRun);
+    }
+    this._options = aOnClose;
+  } else {
+    if (aOnClose) {
+      this.on("close", aOnClose);
+    }
+    if (aOnRun) {
+      this.on("run", aOnRun);
+    }
+    this._options = aOptions || {};
+  }
+
+  this._telemetry = new Telemetry();
+
+  this.close = this.close.bind(this);
+  Services.obs.addObserver(this.close, "quit-application", false);
+  this._initServer();
+  this._initProfile();
+  this._create();
+
+  processes.add(this);
+};
+
+EventEmitter.decorate(BrowserToolboxProcess);
+
+/**
+ * Initializes and starts a chrome toolbox process.
+ * @return object
+ */
+BrowserToolboxProcess.init = function(aOnClose, aOnRun, aOptions) {
+  return new BrowserToolboxProcess(aOnClose, aOnRun, aOptions);
+};
+
+/**
+ * Passes a set of options to the BrowserAddonActors for the given ID.
+ *
+ * @param aId string
+ *        The ID of the add-on to pass the options to
+ * @param aOptions object
+ *        The options.
+ * @return a promise that will be resolved when complete.
+ */
+BrowserToolboxProcess.setAddonOptions = function DSC_setAddonOptions(aId, aOptions) {
+  let promises = [];
+
+  for (let process of processes.values()) {
+    promises.push(process.debuggerServer.setAddonOptions(aId, aOptions));
+  }
+
+  return promise.all(promises);
+};
+
+BrowserToolboxProcess.prototype = {
+  /**
+   * Initializes the debugger server.
+   */
+  _initServer: function() {
+    dumpn("Initializing the chrome toolbox server.");
+
+    if (!this.loader) {
+      // Create a separate loader instance, so that we can be sure to receive a
+      // separate instance of the DebuggingServer from the rest of the devtools.
+      // This allows us to safely use the tools against even the actors and
+      // DebuggingServer itself, especially since we can mark this loader as
+      // invisible to the debugger (unlike the usual loader settings).
+      this.loader = new DevToolsLoader();
+      this.loader.invisibleToDebugger = true;
+      this.loader.main("devtools/server/main");
+      this.debuggerServer = this.loader.DebuggerServer;
+      dumpn("Created a separate loader instance for the DebuggerServer.");
+
+      // Forward interesting events.
+      this.debuggerServer.on("connectionchange", this.emit.bind(this));
+    }
+
+    if (!this.debuggerServer.initialized) {
+      this.debuggerServer.init();
+      this.debuggerServer.addBrowserActors();
+      dumpn("initialized and added the browser actors for the DebuggerServer.");
+    }
+
+    this.debuggerServer.openListener(Prefs.chromeDebuggingPort);
+
+    dumpn("Finished initializing the chrome toolbox server.");
+    dumpn("Started listening on port: " + Prefs.chromeDebuggingPort);
+  },
+
+  /**
+   * Initializes a profile for the remote debugger process.
+   */
+  _initProfile: function() {
+    dumpn("Initializing the chrome toolbox user profile.");
+
+    let profileService = Cc["@mozilla.org/toolkit/profile-service;1"]
+      .createInstance(Ci.nsIToolkitProfileService);
+
+    let profileName;
+    try {
+      // Attempt to get the required chrome debugging profile name string.
+      profileName = profileService.selectedProfile.name + CHROME_DEBUGGER_PROFILE_NAME;
+      dumpn("Using chrome toolbox profile name: " + profileName);
+    } catch (e) {
+      // Requested profile string could not be retrieved.
+      profileName = CHROME_DEBUGGER_PROFILE_NAME;
+      let msg = "Querying the current profile failed. " + e.name + ": " + e.message;
+      dumpn(msg);
+      Cu.reportError(msg);
+    }
+
+    let profileObject;
+    try {
+      // Attempt to get the required chrome debugging profile toolkit object.
+      profileObject = profileService.getProfileByName(profileName);
+      dumpn("Using chrome toolbox profile object: " + profileObject);
+
+      // The profile exists but the corresponding folder may have been deleted.
+      var enumerator = Services.dirsvc.get("ProfD", Ci.nsIFile).parent.directoryEntries;
+      while (enumerator.hasMoreElements()) {
+        let profileDir = enumerator.getNext().QueryInterface(Ci.nsIFile);
+        if (profileDir.leafName.contains(profileName)) {
+          // Requested profile was found and the folder exists.
+          this._dbgProfile = profileObject;
+          return;
+        }
+      }
+      // Requested profile was found but the folder was deleted. Cleanup needed.
+      profileObject.remove(true);
+      dumpn("The already existing chrome toolbox profile was invalid.");
+    } catch (e) {
+      // Requested profile object was not found.
+      let msg = "Creating a profile failed. " + e.name + ": " + e.message;
+      dumpn(msg);
+      Cu.reportError(msg);
+    }
+
+    // Create a new chrome debugging profile.
+    this._dbgProfile = profileService.createProfile(null, profileName);
+    profileService.flush();
+
+    dumpn("Finished creating the chrome toolbox user profile.");
+    dumpn("Flushed profile service with: " + profileName);
+  },
+
+  /**
+   * Creates and initializes the profile & process for the remote debugger.
+   */
+  _create: function() {
+    dumpn("Initializing chrome debugging process.");
+    let process = this._dbgProcess = Cc["@mozilla.org/process/util;1"].createInstance(Ci.nsIProcess);
+    process.init(Services.dirsvc.get("XREExeF", Ci.nsIFile));
+
+    let xulURI = DBG_XUL;
+
+    if (this._options.addonID) {
+      xulURI += "?addonID=" + this._options.addonID;
+    }
+
+    dumpn("Running chrome debugging process.");
+    let args = ["-no-remote", "-foreground", "-P", this._dbgProfile.name, "-chrome", xulURI];
+
+    process.runwAsync(args, args.length, { observe: () => this.close() });
+
+    this._telemetry.toolOpened("jsbrowserdebugger");
+
+    dumpn("Chrome toolbox is now running...");
+    this.emit("run", this);
+  },
+
+  /**
+   * Closes the remote debugging server and kills the toolbox process.
+   */
+  close: function() {
+    if (this.closed) {
+      return;
+    }
+
+    dumpn("Cleaning up the chrome debugging process.");
+    Services.obs.removeObserver(this.close, "quit-application");
+
+    if (this._dbgProcess.isRunning) {
+      this._dbgProcess.kill();
+    }
+
+    this._telemetry.toolClosed("jsbrowserdebugger");
+    if (this.debuggerServer) {
+      this.debuggerServer.destroy();
+    }
+
+    dumpn("Chrome toolbox is now closed...");
+    this.closed = true;
+    this.emit("close", this);
+    processes.delete(this);
+  }
+};
+
+/**
+ * Shortcuts for accessing various debugger preferences.
+ */
+let Prefs = new ViewHelpers.Prefs("devtools.debugger", {
+  chromeDebuggingHost: ["Char", "chrome-debugging-host"],
+  chromeDebuggingPort: ["Int", "chrome-debugging-port"]
+});
+
+/**
+ * Helper method for debugging.
+ * @param string
+ */
+function dumpn(str) {
+  if (wantLogging) {
+    dump("DBG-FRONTEND: " + str + "\n");
+  }
+}
+
+let wantLogging = Services.prefs.getBoolPref("devtools.debugger.log");
+
+Services.prefs.addObserver("devtools.debugger.log", {
+  observe: (...args) => wantLogging = Services.prefs.getBoolPref(args.pop())
+}, false);