Add m-esr52 at 52.6.0

7 files changed, 952 insertions, 0 deletions

diff --git a/toolkit/components/timermanager/moz.build b/toolkit/components/timermanager/moz.build
new file mode 100644
index 0000000000..9977df6b5c
--- /dev/null
+++ b/toolkit/components/timermanager/moz.build
@@ -0,0 +1,21 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# 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/.
+
+XPIDL_MODULE = 'update'
+
+XPCSHELL_TESTS_MANIFESTS += ['tests/unit/xpcshell.ini']
+
+XPIDL_SOURCES += [
+    'nsIUpdateTimerManager.idl',
+]
+
+EXTRA_COMPONENTS += [
+    'nsUpdateTimerManager.js',
+    'nsUpdateTimerManager.manifest',
+]
+
+with Files('**'):
+    BUG_COMPONENT = ('Toolkit', 'Application Update')
diff --git a/toolkit/components/timermanager/nsIUpdateTimerManager.idl b/toolkit/components/timermanager/nsIUpdateTimerManager.idl
new file mode 100644
index 0000000000..6f9e2d169e
--- /dev/null
+++ b/toolkit/components/timermanager/nsIUpdateTimerManager.idl
@@ -0,0 +1,54 @@
+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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"
+
+interface nsITimerCallback;
+
+/**
+ * An interface describing a global application service that allows long
+ * duration (e.g. 1-7 or more days, weeks or months) timers to be registered
+ * and then fired.
+ */
+[scriptable, uuid(0765c92c-6145-4253-9db4-594d8023087e)]
+interface nsIUpdateTimerManager : nsISupports
+{
+  /**
+   * Register an interval with the timer manager. The timer manager
+   * periodically checks to see if the interval has expired and if it has
+   * calls the specified callback. This is persistent across application
+   * restarts and can handle intervals of long durations.
+   * @param   id
+   *          An id that identifies the interval, used for persistence
+   * @param   callback
+   *          A nsITimerCallback object that is notified when the interval
+   *          expires
+   * @param   interval
+   *          The length of time, in seconds, of the interval
+   *
+   * Note: to avoid having to instantiate a component to call registerTimer
+   * the component can intead register an update-timer category with comma
+   * separated values as a single string representing the timer as follows.
+   *
+   * _xpcom_categories: [{ category: "update-timer",
+   *                       value: "contractID," +
+   *                              "method," +
+   *                              "id," +
+   *                              "preference," +
+   *                              "interval" }],
+   * the values are as follows
+   *   contractID : the contract ID for the component.
+   *   method     : the method used to instantiate the interface. This should be
+   *                either getService or createInstance depending on your
+   *                component.
+   *   id         : the id that identifies the interval, used for persistence.
+   *   preference : the preference to for timer interval. This value can be
+   *                optional by specifying an empty string for the value.
+   *   interval   : the default interval in seconds for the timer.
+   */
+  void registerTimer(in AString id,
+                     in nsITimerCallback callback,
+                     in unsigned long interval);
+};
diff --git a/toolkit/components/timermanager/nsUpdateTimerManager.js b/toolkit/components/timermanager/nsUpdateTimerManager.js
new file mode 100644
index 0000000000..d7fc159602
--- /dev/null
+++ b/toolkit/components/timermanager/nsUpdateTimerManager.js
@@ -0,0 +1,339 @@
+/* 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/. */
+
+Components.utils.import("resource://gre/modules/XPCOMUtils.jsm", this);
+Components.utils.import("resource://gre/modules/Services.jsm", this);
+
+const Cc = Components.classes;
+const Ci = Components.interfaces;
+
+const PREF_APP_UPDATE_LASTUPDATETIME_FMT  = "app.update.lastUpdateTime.%ID%";
+const PREF_APP_UPDATE_TIMERMINIMUMDELAY   = "app.update.timerMinimumDelay";
+const PREF_APP_UPDATE_TIMERFIRSTINTERVAL  = "app.update.timerFirstInterval";
+const PREF_APP_UPDATE_LOG                 = "app.update.log";
+
+const CATEGORY_UPDATE_TIMER               = "update-timer";
+
+XPCOMUtils.defineLazyGetter(this, "gLogEnabled", function tm_gLogEnabled() {
+  return getPref("getBoolPref", PREF_APP_UPDATE_LOG, false);
+});
+
+/**
+ *  Gets a preference value, handling the case where there is no default.
+ *  @param   func
+ *           The name of the preference function to call, on nsIPrefBranch
+ *  @param   preference
+ *           The name of the preference
+ *  @param   defaultValue
+ *           The default value to return in the event the preference has
+ *           no setting
+ *  @returns The value of the preference, or undefined if there was no
+ *           user or default value.
+ */
+function getPref(func, preference, defaultValue) {
+  try {
+    return Services.prefs[func](preference);
+  } catch (e) {
+  }
+  return defaultValue;
+}
+
+/**
+ *  Logs a string to the error console.
+ *  @param   string
+ *           The string to write to the error console.
+ */
+function LOG(string) {
+  if (gLogEnabled) {
+    dump("*** UTM:SVC " + string + "\n");
+    Services.console.logStringMessage("UTM:SVC " + string);
+  }
+}
+
+/**
+ *  A manager for timers. Manages timers that fire over long periods of time
+ *  (e.g. days, weeks, months).
+ *  @constructor
+ */
+function TimerManager() {
+  Services.obs.addObserver(this, "xpcom-shutdown", false);
+}
+TimerManager.prototype = {
+  /**
+   * The Checker Timer
+   */
+  _timer: null,
+
+  /**
+   * The Checker Timer minimum delay interval as specified by the
+   * app.update.timerMinimumDelay pref. If the app.update.timerMinimumDelay
+   * pref doesn't exist this will default to 120000.
+   */
+  _timerMinimumDelay: null,
+
+  /**
+   * The set of registered timers.
+   */
+  _timers: { },
+
+  /**
+   * See nsIObserver.idl
+   */
+  observe: function TM_observe(aSubject, aTopic, aData) {
+    // Prevent setting the timer interval to a value of less than 30 seconds.
+    var minInterval = 30000;
+    // Prevent setting the first timer interval to a value of less than 10
+    // seconds.
+    var minFirstInterval = 10000;
+    switch (aTopic) {
+      case "utm-test-init":
+        // Enforce a minimum timer interval of 500 ms for tests and fall through
+        // to profile-after-change to initialize the timer.
+        minInterval = 500;
+        minFirstInterval = 500;
+      case "profile-after-change":
+        this._timerMinimumDelay = Math.max(1000 * getPref("getIntPref", PREF_APP_UPDATE_TIMERMINIMUMDELAY, 120),
+                                           minInterval);
+        // Prevent the timer delay between notifications to other consumers from
+        // being greater than 5 minutes which is 300000 milliseconds.
+        this._timerMinimumDelay = Math.min(this._timerMinimumDelay, 300000);
+        // Prevent the first interval from being less than the value of minFirstInterval
+        let firstInterval = Math.max(getPref("getIntPref", PREF_APP_UPDATE_TIMERFIRSTINTERVAL,
+                                             30000), minFirstInterval);
+        // Prevent the first interval from being greater than 2 minutes which is
+        // 120000 milliseconds.
+        firstInterval = Math.min(firstInterval, 120000);
+        // Cancel the timer if it has already been initialized. This is primarily
+        // for tests.
+        this._canEnsureTimer = true;
+        this._ensureTimer(firstInterval);
+        break;
+      case "xpcom-shutdown":
+        Services.obs.removeObserver(this, "xpcom-shutdown");
+
+        // Release everything we hold onto.
+        this._cancelTimer();
+        for (var timerID in this._timers) {
+          delete this._timers[timerID];
+        }
+        this._timers = null;
+        break;
+    }
+  },
+
+  /**
+   * Called when the checking timer fires.
+   *
+   * We only fire one notification each time, so that the operations are
+   * staggered. We don't want too many to happen at once, which could
+   * negatively impact responsiveness.
+   *
+   * @param   timer
+   *          The checking timer that fired.
+   */
+  notify: function TM_notify(timer) {
+    var nextDelay = null;
+    function updateNextDelay(delay) {
+      if (nextDelay === null || delay < nextDelay) {
+        nextDelay = delay;
+      }
+    }
+
+    // Each timer calls tryFire(), which figures out which is the one that
+    // wanted to be called earliest. That one will be fired; the others are
+    // skipped and will be done later.
+    var now = Math.round(Date.now() / 1000);
+
+    var callbackToFire = null;
+    var earliestIntendedTime = null;
+    var skippedFirings = false;
+    var lastUpdateTime = null;
+    function tryFire(callback, intendedTime) {
+      var selected = false;
+      if (intendedTime <= now) {
+        if (intendedTime < earliestIntendedTime ||
+            earliestIntendedTime === null) {
+          callbackToFire = callback;
+          earliestIntendedTime = intendedTime;
+          selected = true;
+        } else if (earliestIntendedTime !== null) {
+          skippedFirings = true;
+        }
+      }
+      // We do not need to updateNextDelay for the timer that actually fires;
+      // we'll update right after it fires, with the proper intended time.
+      // Note that we might select one, then select another later (with an
+      // earlier intended time); it is still ok that we did not update for
+      // the first one, since if we have skipped firings, the next delay
+      // will be the minimum delay anyhow.
+      if (!selected) {
+        updateNextDelay(intendedTime - now);
+      }
+    }
+
+    var catMan = Cc["@mozilla.org/categorymanager;1"].
+                 getService(Ci.nsICategoryManager);
+    var entries = catMan.enumerateCategory(CATEGORY_UPDATE_TIMER);
+    while (entries.hasMoreElements()) {
+      let entry = entries.getNext().QueryInterface(Ci.nsISupportsCString).data;
+      let value = catMan.getCategoryEntry(CATEGORY_UPDATE_TIMER, entry);
+      let [cid, method, timerID, prefInterval, defaultInterval, maxInterval] = value.split(",");
+
+      defaultInterval = parseInt(defaultInterval);
+      // cid and method are validated below when calling notify.
+      if (!timerID || !defaultInterval || isNaN(defaultInterval)) {
+        LOG("TimerManager:notify - update-timer category registered" +
+            (cid ? " for " + cid : "") + " without required parameters - " +
+             "skipping");
+        continue;
+      }
+
+      let interval = getPref("getIntPref", prefInterval, defaultInterval);
+      // Allow the update-timer category to specify a maximum value to prevent
+      // values larger than desired.
+      maxInterval = parseInt(maxInterval);
+      if (maxInterval && !isNaN(maxInterval)) {
+        interval = Math.min(interval, maxInterval);
+      }
+      let prefLastUpdate = PREF_APP_UPDATE_LASTUPDATETIME_FMT.replace(/%ID%/,
+                                                                      timerID);
+      // Initialize the last update time to 0 when the preference isn't set so
+      // the timer will be notified soon after a new profile's first use.
+      lastUpdateTime = getPref("getIntPref", prefLastUpdate, 0);
+
+      // If the last update time is greater than the current time then reset
+      // it to 0 and the timer manager will correct the value when it fires
+      // next for this consumer.
+      if (lastUpdateTime > now) {
+        lastUpdateTime = 0;
+      }
+
+      if (lastUpdateTime == 0) {
+        Services.prefs.setIntPref(prefLastUpdate, lastUpdateTime);
+      }
+
+      tryFire(function () {
+        try {
+          Components.classes[cid][method](Ci.nsITimerCallback).notify(timer);
+          LOG("TimerManager:notify - notified " + cid);
+        } catch (e) {
+          LOG("TimerManager:notify - error notifying component id: " +
+              cid + " ,error: " + e);
+        }
+        lastUpdateTime = now;
+        Services.prefs.setIntPref(prefLastUpdate, lastUpdateTime);
+        updateNextDelay(lastUpdateTime + interval - now);
+      }, lastUpdateTime + interval);
+    }
+
+    for (let _timerID in this._timers) {
+      let timerID = _timerID; // necessary for the closure to work properly
+      let timerData = this._timers[timerID];
+      // If the last update time is greater than the current time then reset
+      // it to 0 and the timer manager will correct the value when it fires
+      // next for this consumer.
+      if (timerData.lastUpdateTime > now) {
+        let prefLastUpdate = PREF_APP_UPDATE_LASTUPDATETIME_FMT.replace(/%ID%/, timerID);
+        timerData.lastUpdateTime = 0;
+        Services.prefs.setIntPref(prefLastUpdate, timerData.lastUpdateTime);
+      }
+      tryFire(function () {
+        if (timerData.callback && timerData.callback.notify) {
+          try {
+            timerData.callback.notify(timer);
+            LOG("TimerManager:notify - notified timerID: " + timerID);
+          } catch (e) {
+            LOG("TimerManager:notify - error notifying timerID: " + timerID +
+                ", error: " + e);
+          }
+        } else {
+          LOG("TimerManager:notify - timerID: " + timerID + " doesn't " +
+              "implement nsITimerCallback - skipping");
+        }
+        lastUpdateTime = now;
+        timerData.lastUpdateTime = lastUpdateTime;
+        let prefLastUpdate = PREF_APP_UPDATE_LASTUPDATETIME_FMT.replace(/%ID%/, timerID);
+        Services.prefs.setIntPref(prefLastUpdate, lastUpdateTime);
+        updateNextDelay(timerData.lastUpdateTime + timerData.interval - now);
+      }, timerData.lastUpdateTime + timerData.interval);
+    }
+
+    if (callbackToFire) {
+      callbackToFire();
+    }
+
+    if (nextDelay !== null) {
+      if (skippedFirings) {
+        timer.delay = this._timerMinimumDelay;
+      } else {
+        timer.delay = Math.max(nextDelay * 1000, this._timerMinimumDelay);
+      }
+      this.lastTimerReset = Date.now();
+    } else {
+      this._cancelTimer();
+    }
+  },
+
+  /**
+   * Starts the timer, if necessary, and ensures that it will fire soon enough
+   * to happen after time |interval| (in milliseconds).
+   */
+  _ensureTimer: function (interval) {
+    if (!this._canEnsureTimer) {
+      return;
+    }
+    if (!this._timer) {
+      this._timer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
+      this._timer.initWithCallback(this, interval,
+                                   Ci.nsITimer.TYPE_REPEATING_SLACK);
+      this.lastTimerReset = Date.now();
+    } else if (Date.now() + interval < this.lastTimerReset + this._timer.delay) {
+      this._timer.delay = Math.max(this.lastTimerReset + interval - Date.now(), 0);
+    }
+  },
+
+  /**
+   * Stops the timer, if it is running.
+   */
+  _cancelTimer: function () {
+    if (this._timer) {
+      this._timer.cancel();
+      this._timer = null;
+    }
+  },
+
+  /**
+   * See nsIUpdateTimerManager.idl
+   */
+  registerTimer: function TM_registerTimer(id, callback, interval) {
+    LOG("TimerManager:registerTimer - id: " + id);
+    if (id in this._timers && callback != this._timers[id].callback) {
+      LOG("TimerManager:registerTimer - Ignoring second registration for " + id);
+      return;
+    }
+    let prefLastUpdate = PREF_APP_UPDATE_LASTUPDATETIME_FMT.replace(/%ID%/, id);
+    // Initialize the last update time to 0 when the preference isn't set so
+    // the timer will be notified soon after a new profile's first use.
+    let lastUpdateTime = getPref("getIntPref", prefLastUpdate, 0);
+    let now = Math.round(Date.now() / 1000);
+    if (lastUpdateTime > now) {
+      lastUpdateTime = 0;
+    }
+    if (lastUpdateTime == 0) {
+      Services.prefs.setIntPref(prefLastUpdate, lastUpdateTime);
+    }
+    this._timers[id] = {callback: callback,
+                        interval: interval,
+                        lastUpdateTime: lastUpdateTime};
+
+    this._ensureTimer(interval * 1000);
+  },
+
+  classID: Components.ID("{B322A5C0-A419-484E-96BA-D7182163899F}"),
+  QueryInterface: XPCOMUtils.generateQI([Ci.nsIUpdateTimerManager,
+                                         Ci.nsITimerCallback,
+                                         Ci.nsIObserver])
+};
+
+this.NSGetFactory = XPCOMUtils.generateNSGetFactory([TimerManager]);
diff --git a/toolkit/components/timermanager/nsUpdateTimerManager.manifest b/toolkit/components/timermanager/nsUpdateTimerManager.manifest
new file mode 100644
index 0000000000..73cb11e352
--- /dev/null
+++ b/toolkit/components/timermanager/nsUpdateTimerManager.manifest
@@ -0,0 +1,3 @@
+component {B322A5C0-A419-484E-96BA-D7182163899F} nsUpdateTimerManager.js
+contract @mozilla.org/updates/timer-manager;1 {B322A5C0-A419-484E-96BA-D7182163899F}
+category profile-after-change nsUpdateTimerManager @mozilla.org/updates/timer-manager;1
diff --git a/toolkit/components/timermanager/tests/unit/.eslintrc.js b/toolkit/components/timermanager/tests/unit/.eslintrc.js
new file mode 100644
index 0000000000..d35787cd2c
--- /dev/null
+++ b/toolkit/components/timermanager/tests/unit/.eslintrc.js
@@ -0,0 +1,7 @@
+"use strict";
+
+module.exports = {
+  "extends": [
+    "../../../../../testing/xpcshell/xpcshell.eslintrc.js"
+  ]
+};
diff --git a/toolkit/components/timermanager/tests/unit/consumerNotifications.js b/toolkit/components/timermanager/tests/unit/consumerNotifications.js
new file mode 100644
index 0000000000..b9926e11e9
--- /dev/null
+++ b/toolkit/components/timermanager/tests/unit/consumerNotifications.js
@@ -0,0 +1,519 @@
+/* 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/.
+ */
+
+/* General Update Timer Manager Tests */
+
+'use strict';
+
+const { classes: Cc, interfaces: Ci, manager: Cm, results: Cr,
+        utils: Cu } = Components;
+
+Cu.import("resource://gre/modules/XPCOMUtils.jsm");
+
+const CATEGORY_UPDATE_TIMER = "update-timer";
+
+const PREF_APP_UPDATE_TIMERMINIMUMDELAY = "app.update.timerMinimumDelay";
+const PREF_APP_UPDATE_TIMERFIRSTINTERVAL = "app.update.timerFirstInterval";
+const PREF_APP_UPDATE_LOG_ALL = "app.update.log.all";
+const PREF_BRANCH_LAST_UPDATE_TIME = "app.update.lastUpdateTime.";
+
+const MAIN_TIMER_INTERVAL = 1000;  // milliseconds
+const CONSUMER_TIMER_INTERVAL = 1; // seconds
+
+const TESTS = [ {
+  desc: "Test Timer Callback 0",
+  timerID: "test0-update-timer",
+  defaultInterval: "bogus",
+  prefInterval: "test0.timer.interval",
+  contractID: "@mozilla.org/test0/timercallback;1",
+  method: "createInstance",
+  classID: Components.ID("9c7ce81f-98bb-4729-adb4-4d0deb0f59e5"),
+  notified: false
+}, {
+  desc: "Test Timer Callback 1",
+  timerID: "test1-update-timer",
+  defaultInterval: 86400,
+  prefInterval: "test1.timer.interval",
+  contractID: "@mozilla.org/test2/timercallback;1",
+  method: "createInstance",
+  classID: Components.ID("512834f3-05bb-46be-84e0-81d881a140b7"),
+  notified: false
+}, {
+  desc: "Test Timer Callback 2",
+  timerID: "test2-update-timer",
+  defaultInterval: CONSUMER_TIMER_INTERVAL,
+  prefInterval: "test2.timer.interval",
+  contractID: "@mozilla.org/test2/timercallback;1",
+  method: "createInstance",
+  classID: Components.ID("c8ac5027-8d11-4471-9d7c-fd692501b437"),
+  notified: false
+}, {
+  desc: "Test Timer Callback 3",
+  timerID: "test3-update-timer",
+  defaultInterval: CONSUMER_TIMER_INTERVAL,
+  prefInterval: "test3.timer.interval",
+  contractID: "@mozilla.org/test3/timercallback;1",
+  method: "createInstance",
+  classID: Components.ID("6b0e79f3-4ab8-414c-8f14-dde10e185727"),
+  notified: false
+}, {
+  desc: "Test Timer Callback 4",
+  timerID: "test4-update-timer",
+  defaultInterval: CONSUMER_TIMER_INTERVAL,
+  prefInterval: "test4.timer.interval",
+  contractID: "@mozilla.org/test4/timercallback;1",
+  method: "createInstance",
+  classID: Components.ID("2f6b7b92-e40f-4874-bfbb-eeb2412c959d"),
+  notified: false
+}, {
+  desc: "Test Timer Callback 5",
+  timerID: "test5-update-timer",
+  defaultInterval: 86400,
+  prefInterval: "test5.timer.interval",
+  contractID: "@mozilla.org/test5/timercallback;1",
+  method: "createInstance",
+  classID: Components.ID("8a95f611-b2ac-4c7e-8b73-9748c4839731"),
+  notified: false
+}, {
+  desc: "Test Timer Callback 6",
+  timerID: "test6-update-timer",
+  defaultInterval: CONSUMER_TIMER_INTERVAL,
+  prefInterval: "test6.timer.interval",
+  contractID: "@mozilla.org/test6/timercallback;1",
+  method: "createInstance",
+  classID: Components.ID("2d091020-e23c-11e2-a28f-0800200c9a66"),
+  notified: false
+}, {
+  desc: "Test Timer Callback 7",
+  timerID: "test7-update-timer",
+  defaultInterval: 86400,
+  maxInterval: CONSUMER_TIMER_INTERVAL,
+  prefInterval: "test7.timer.interval",
+  contractID: "@mozilla.org/test7/timercallback;1",
+  method: "createInstance",
+  classID: Components.ID("8e8633ae-1d70-4a7a-8bea-6e1e6c5d7742"),
+  notified: false
+}, {
+  desc: "Test Timer Callback 8",
+  timerID: "test8-update-timer",
+  defaultInterval: CONSUMER_TIMER_INTERVAL,
+  contractID: "@mozilla.org/test8/timercallback;1",
+  classID: Components.ID("af878d4b-1d12-41f6-9a90-4e687367ecc1"),
+  notified: false,
+  lastUpdateTime: 0
+}, {
+  desc: "Test Timer Callback 9",
+  timerID: "test9-update-timer",
+  defaultInterval: CONSUMER_TIMER_INTERVAL,
+  contractID: "@mozilla.org/test9/timercallback;1",
+  classID: Components.ID("5136b201-d64c-4328-8cf1-1a63491cc117"),
+  notified: false,
+  lastUpdateTime: 0
+} ];
+
+var gUTM;
+var gNextFunc;
+
+XPCOMUtils.defineLazyServiceGetter(this, "gPref",
+                                   "@mozilla.org/preferences-service;1",
+                                   "nsIPrefBranch");
+
+XPCOMUtils.defineLazyServiceGetter(this, "gCatMan",
+                                   "@mozilla.org/categorymanager;1",
+                                   "nsICategoryManager");
+
+XPCOMUtils.defineLazyGetter(this, "gCompReg", function () {
+  return Cm.QueryInterface(Ci.nsIComponentRegistrar);
+});
+
+const gTest0TimerCallback = {
+  notify: function T0CB_notify(aTimer) {
+    // This can happen when another notification fails and this timer having
+    // time to fire so check other timers are successful.
+    do_throw("gTest0TimerCallback notify method should not have been called");
+  },
+  QueryInterface: XPCOMUtils.generateQI([Ci.nsITimerCallback])
+};
+
+const gTest0Factory = {
+  createInstance: function T0F_createInstance(aOuter, aIID) {
+    if (aOuter == null) {
+      return gTest0TimerCallback.QueryInterface(aIID);
+    }
+    throw Cr.NS_ERROR_NO_AGGREGATION;
+  }
+};
+
+const gTest1TimerCallback = {
+  notify: function T1CB_notify(aTimer) {
+    // This can happen when another notification fails and this timer having
+    // time to fire so check other timers are successful.
+    do_throw("gTest1TimerCallback notify method should not have been called");
+  },
+  QueryInterface: XPCOMUtils.generateQI([Ci.nsITimer])
+};
+
+const gTest1Factory = {
+  createInstance: function T1F_createInstance(aOuter, aIID) {
+    if (aOuter == null) {
+      return gTest1TimerCallback.QueryInterface(aIID);
+    }
+    throw Cr.NS_ERROR_NO_AGGREGATION;
+  }
+};
+
+const gTest2TimerCallback = {
+  notify: function T2CB_notify(aTimer) {
+    // This can happen when another notification fails and this timer having
+    // time to fire so check other timers are successful.
+    do_throw("gTest2TimerCallback notify method should not have been called");
+  },
+  QueryInterface: XPCOMUtils.generateQI([Ci.nsITimerCallback])
+};
+
+const gTest2Factory = {
+  createInstance: function T2F_createInstance(aOuter, aIID) {
+    if (aOuter == null) {
+      return gTest2TimerCallback.QueryInterface(aIID);
+    }
+    throw Cr.NS_ERROR_NO_AGGREGATION;
+  }
+};
+
+const gTest3TimerCallback = {
+  QueryInterface: XPCOMUtils.generateQI([Ci.nsITimerCallback])
+};
+
+const gTest3Factory = {
+  createInstance: function T3F_createInstance(aOuter, aIID) {
+    if (aOuter == null) {
+      return gTest3TimerCallback.QueryInterface(aIID);
+    }
+    throw Cr.NS_ERROR_NO_AGGREGATION;
+  }
+};
+
+const gTest4TimerCallback = {
+  notify: function T4CB_notify(aTimer) {
+    gCatMan.deleteCategoryEntry(CATEGORY_UPDATE_TIMER, TESTS[4].desc, true);
+    TESTS[4].notified = true;
+    finished_test0thru7();
+  },
+  QueryInterface: XPCOMUtils.generateQI([Ci.nsITimerCallback])
+};
+
+const gTest4Factory = {
+  createInstance: function T4F_createInstance(aOuter, aIID) {
+    if (aOuter == null) {
+      return gTest4TimerCallback.QueryInterface(aIID);
+    }
+    throw Cr.NS_ERROR_NO_AGGREGATION;
+  }
+};
+
+const gTest5TimerCallback = {
+  notify: function T5CB_notify(aTimer) {
+    gCatMan.deleteCategoryEntry(CATEGORY_UPDATE_TIMER, TESTS[5].desc, true);
+    TESTS[5].notified = true;
+    finished_test0thru7();
+  },
+  QueryInterface: XPCOMUtils.generateQI([Ci.nsITimerCallback])
+};
+
+const gTest5Factory = {
+  createInstance: function T5F_createInstance(aOuter, aIID) {
+    if (aOuter == null) {
+      return gTest5TimerCallback.QueryInterface(aIID);
+    }
+    throw Cr.NS_ERROR_NO_AGGREGATION;
+  }
+};
+
+const gTest6TimerCallback = {
+  notify: function T6CB_notify(aTimer) {
+    gCatMan.deleteCategoryEntry(CATEGORY_UPDATE_TIMER, TESTS[6].desc, true);
+    TESTS[6].notified = true;
+    finished_test0thru7();
+  },
+  QueryInterface: XPCOMUtils.generateQI([Ci.nsITimerCallback])
+};
+
+const gTest6Factory = {
+  createInstance: function T6F_createInstance(aOuter, aIID) {
+    if (aOuter == null) {
+      return gTest6TimerCallback.QueryInterface(aIID);
+    }
+    throw Cr.NS_ERROR_NO_AGGREGATION;
+  }
+};
+
+const gTest7TimerCallback = {
+  notify: function T7CB_notify(aTimer) {
+    gCatMan.deleteCategoryEntry(CATEGORY_UPDATE_TIMER, TESTS[7].desc, true);
+    TESTS[7].notified = true;
+    finished_test0thru7();
+  },
+  QueryInterface: XPCOMUtils.generateQI([Ci.nsITimerCallback])
+};
+
+const gTest7Factory = {
+  createInstance: function T7F_createInstance(aOuter, aIID) {
+    if (aOuter == null) {
+      return gTest7TimerCallback.QueryInterface(aIID);
+    }
+    throw Cr.NS_ERROR_NO_AGGREGATION;
+  }
+};
+
+const gTest8TimerCallback = {
+  notify: function T8CB_notify(aTimer) {
+    TESTS[8].notified = true;
+    TESTS[8].notifyTime = Date.now();
+    do_execute_soon(function () {
+      check_test8thru9(gTest8TimerCallback);
+    });
+  },
+  QueryInterface: XPCOMUtils.generateQI([Ci.nsITimerCallback])
+};
+
+const gTest8Factory = {
+  createInstance: function T8F_createInstance(aOuter, aIID) {
+    if (aOuter == null) {
+      return gTest8TimerCallback.QueryInterface(aIID);
+    }
+    throw Cr.NS_ERROR_NO_AGGREGATION;
+  }
+};
+
+const gTest9TimerCallback = {
+  notify: function T9CB_notify(aTimer) {
+    TESTS[9].notified = true;
+    TESTS[9].notifyTime = Date.now();
+    do_execute_soon(function () {
+      check_test8thru9(gTest9TimerCallback);
+    });
+  },
+  QueryInterface: XPCOMUtils.generateQI([Ci.nsITimerCallback])
+};
+
+const gTest9Factory = {
+  createInstance: function T9F_createInstance(aOuter, aIID) {
+    if (aOuter == null) {
+      return gTest9TimerCallback.QueryInterface(aIID);
+    }
+    throw Cr.NS_ERROR_NO_AGGREGATION;
+  }
+};
+
+function run_test() {
+  do_test_pending();
+
+  // Set the timer to fire every second
+  gPref.setIntPref(PREF_APP_UPDATE_TIMERMINIMUMDELAY, MAIN_TIMER_INTERVAL / 1000);
+  gPref.setIntPref(PREF_APP_UPDATE_TIMERFIRSTINTERVAL, MAIN_TIMER_INTERVAL);
+  gPref.setBoolPref(PREF_APP_UPDATE_LOG_ALL, true);
+
+  // Remove existing update timers to prevent them from being notified
+  let entries = gCatMan.enumerateCategory(CATEGORY_UPDATE_TIMER);
+  while (entries.hasMoreElements()) {
+    let entry = entries.getNext().QueryInterface(Ci.nsISupportsCString).data;
+    gCatMan.deleteCategoryEntry(CATEGORY_UPDATE_TIMER, entry, false);
+  }
+
+  gUTM = Cc["@mozilla.org/updates/timer-manager;1"].
+         getService(Ci.nsIUpdateTimerManager).
+         QueryInterface(Ci.nsIObserver);
+  gUTM.observe(null, "utm-test-init", "");
+
+  do_execute_soon(run_test0thru7);
+}
+
+function end_test() {
+  gUTM.observe(null, "xpcom-shutdown", "");
+  do_test_finished();
+}
+
+function run_test0thru7() {
+  gNextFunc = check_test0thru7;
+  // bogus default interval
+  gCompReg.registerFactory(TESTS[0].classID, TESTS[0].desc,
+                           TESTS[0].contractID, gTest0Factory);
+  gCatMan.addCategoryEntry(CATEGORY_UPDATE_TIMER, TESTS[0].desc,
+                           [TESTS[0].contractID, TESTS[0].method,
+                            TESTS[0].timerID, TESTS[0].prefInterval,
+                            TESTS[0].defaultInterval].join(","), false, true);
+
+  // doesn't implement nsITimerCallback
+  gCompReg.registerFactory(TESTS[1].classID, TESTS[1].desc,
+                           TESTS[1].contractID, gTest1Factory);
+  gCatMan.addCategoryEntry(CATEGORY_UPDATE_TIMER, TESTS[1].desc,
+                           [TESTS[1].contractID, TESTS[1].method,
+                            TESTS[1].timerID, TESTS[1].prefInterval,
+                            TESTS[1].defaultInterval].join(","), false, true);
+
+  // has a last update time of now - 43200 which is half of its interval
+  let lastUpdateTime = Math.round(Date.now() / 1000) - 43200;
+  gPref.setIntPref(PREF_BRANCH_LAST_UPDATE_TIME + TESTS[2].timerID, lastUpdateTime);
+  gCompReg.registerFactory(TESTS[2].classID, TESTS[2].desc,
+                           TESTS[2].contractID, gTest2Factory);
+  gCatMan.addCategoryEntry(CATEGORY_UPDATE_TIMER, TESTS[2].desc,
+                           [TESTS[2].contractID, TESTS[2].method,
+                            TESTS[2].timerID, TESTS[2].prefInterval,
+                            TESTS[2].defaultInterval].join(","), false, true);
+
+  // doesn't have a notify method
+  gCompReg.registerFactory(TESTS[3].classID, TESTS[3].desc,
+                           TESTS[3].contractID, gTest3Factory);
+  gCatMan.addCategoryEntry(CATEGORY_UPDATE_TIMER, TESTS[3].desc,
+                           [TESTS[3].contractID, TESTS[3].method,
+                            TESTS[3].timerID, TESTS[3].prefInterval,
+                            TESTS[3].defaultInterval].join(","), false, true);
+
+  // already has a last update time
+  gPref.setIntPref(PREF_BRANCH_LAST_UPDATE_TIME + TESTS[4].timerID, 1);
+  gCompReg.registerFactory(TESTS[4].classID, TESTS[4].desc,
+                           TESTS[4].contractID, gTest4Factory);
+  gCatMan.addCategoryEntry(CATEGORY_UPDATE_TIMER, TESTS[4].desc,
+                           [TESTS[4].contractID, TESTS[4].method,
+                            TESTS[4].timerID, TESTS[4].prefInterval,
+                            TESTS[4].defaultInterval].join(","), false, true);
+
+  // has an interval preference that overrides the default
+  gPref.setIntPref(TESTS[5].prefInterval, CONSUMER_TIMER_INTERVAL);
+  gCompReg.registerFactory(TESTS[5].classID, TESTS[5].desc,
+                           TESTS[5].contractID, gTest5Factory);
+  gCatMan.addCategoryEntry(CATEGORY_UPDATE_TIMER, TESTS[5].desc,
+                           [TESTS[5].contractID, TESTS[5].method,
+                            TESTS[5].timerID, TESTS[5].prefInterval,
+                            TESTS[5].defaultInterval].join(","), false, true);
+
+  // has a next update time 24 hours from now
+  let nextUpdateTime = Math.round(Date.now() / 1000) + 86400;
+  gPref.setIntPref(PREF_BRANCH_LAST_UPDATE_TIME + TESTS[6].timerID, nextUpdateTime);
+  gCompReg.registerFactory(TESTS[6].classID, TESTS[6].desc,
+                           TESTS[6].contractID, gTest6Factory);
+  gCatMan.addCategoryEntry(CATEGORY_UPDATE_TIMER, TESTS[6].desc,
+                           [TESTS[6].contractID, TESTS[6].method,
+                            TESTS[6].timerID, TESTS[6].prefInterval,
+                            TESTS[6].defaultInterval].join(","), false, true);
+
+  // has a maximum interval set by the value of MAIN_TIMER_INTERVAL
+  gPref.setIntPref(TESTS[7].prefInterval, 86400);
+  gCompReg.registerFactory(TESTS[7].classID, TESTS[7].desc,
+                           TESTS[7].contractID, gTest7Factory);
+  gCatMan.addCategoryEntry(CATEGORY_UPDATE_TIMER, TESTS[7].desc,
+                           [TESTS[7].contractID, TESTS[7].method,
+                            TESTS[7].timerID, TESTS[7].prefInterval,
+                            TESTS[7].defaultInterval,
+                            TESTS[7].maxInterval].join(","), false, true);
+}
+
+function finished_test0thru7() {
+  if (TESTS[4].notified && TESTS[5].notified && TESTS[6].notified && TESTS[7].notified) {
+    do_execute_soon(gNextFunc);
+  }
+}
+
+function check_test0thru7() {
+  Assert.ok(!TESTS[0].notified,
+            "a category registered timer didn't fire due to an invalid " +
+            "default interval");
+
+  Assert.ok(!TESTS[1].notified,
+            "a category registered timer didn't fire due to not implementing " +
+            "nsITimerCallback");
+
+  Assert.ok(!TESTS[2].notified,
+            "a category registered timer didn't fire due to the next update " +
+            "time being in the future");
+
+  Assert.ok(!TESTS[3].notified,
+            "a category registered timer didn't fire due to not having a " +
+            "notify method");
+
+  Assert.ok(TESTS[4].notified,
+            "a category registered timer has fired");
+
+  Assert.ok(TESTS[5].notified,
+            "a category registered timer fired that has an interval " +
+            "preference that overrides a default that wouldn't have fired yet");
+
+  Assert.ok(TESTS[6].notified,
+            "a category registered timer has fired due to the next update " +
+            "time being reset due to a future last update time");
+
+  Assert.ok(gPref.prefHasUserValue(PREF_BRANCH_LAST_UPDATE_TIME +
+                                   TESTS[4].timerID),
+            "first of two category registered timers last update time has " +
+            "a user value");
+  Assert.ok(gPref.prefHasUserValue(PREF_BRANCH_LAST_UPDATE_TIME +
+                                   TESTS[5].timerID),
+            "second of two category registered timers last update time has " +
+            "a user value");
+
+  // Remove the category timers that should have failed
+  gCatMan.deleteCategoryEntry(CATEGORY_UPDATE_TIMER, TESTS[0].desc, true);
+  gCatMan.deleteCategoryEntry(CATEGORY_UPDATE_TIMER, TESTS[1].desc, true);
+  gCatMan.deleteCategoryEntry(CATEGORY_UPDATE_TIMER, TESTS[2].desc, true);
+  gCatMan.deleteCategoryEntry(CATEGORY_UPDATE_TIMER, TESTS[3].desc, true);
+  let entries = gCatMan.enumerateCategory(CATEGORY_UPDATE_TIMER);
+  while (entries.hasMoreElements()) {
+    let entry = entries.getNext().QueryInterface(Ci.nsISupportsCString).data;
+    gCatMan.deleteCategoryEntry(CATEGORY_UPDATE_TIMER, entry, false);
+  }
+
+  entries = gCatMan.enumerateCategory(CATEGORY_UPDATE_TIMER);
+  Assert.ok(!entries.hasMoreElements(),
+            "no " + CATEGORY_UPDATE_TIMER + " categories should still be " +
+            "registered");
+
+  do_execute_soon(run_test8thru9);
+}
+
+function run_test8thru9() {
+  gPref.setIntPref(PREF_BRANCH_LAST_UPDATE_TIME + TESTS[8].timerID, 1);
+  gCompReg.registerFactory(TESTS[8].classID, TESTS[8].desc,
+                           TESTS[8].contractID, gTest8Factory);
+  gUTM.registerTimer(TESTS[8].timerID, gTest8TimerCallback,
+                     TESTS[8].defaultInterval);
+  gPref.setIntPref(PREF_BRANCH_LAST_UPDATE_TIME + TESTS[9].timerID, 1);
+  gCompReg.registerFactory(TESTS[9].classID, TESTS[9].desc,
+                           TESTS[9].contractID, gTest9Factory);
+  gUTM.registerTimer(TESTS[9].timerID, gTest9TimerCallback,
+                     TESTS[9].defaultInterval);
+}
+
+function check_test8thru9(aTestTimerCallback) {
+  aTestTimerCallback.timesCalled = (aTestTimerCallback.timesCalled || 0) + 1;
+  if (aTestTimerCallback.timesCalled < 2) {
+    return;
+  }
+
+  Assert.ok(TESTS[8].notified,
+            "first registerTimer registered timer should have fired");
+
+  Assert.ok(TESTS[9].notified,
+            "second registerTimer registered timer should have fired");
+
+  // Check that 'staggering' has happened: even though the two events wanted to fire at
+  // the same time, we waited a full MAIN_TIMER_INTERVAL between them.
+  // (to avoid sensitivity to random timing issues, we fudge by a factor of 0.5 here)
+  Assert.ok(Math.abs(TESTS[8].notifyTime - TESTS[9].notifyTime) >=
+                     MAIN_TIMER_INTERVAL * 0.5,
+            "staggering between two timers that want to fire at the same " +
+            "time should have occured");
+
+  let time = gPref.getIntPref(PREF_BRANCH_LAST_UPDATE_TIME + TESTS[8].timerID);
+  Assert.notEqual(time, 1,
+                  "first registerTimer registered timer last update time " +
+                  "should have been updated");
+
+  time = gPref.getIntPref(PREF_BRANCH_LAST_UPDATE_TIME + TESTS[9].timerID);
+  Assert.notEqual(time, 1,
+                  "second registerTimer registered timer last update time " +
+                  "should have been updated");
+
+  end_test();
+}
diff --git a/toolkit/components/timermanager/tests/unit/xpcshell.ini b/toolkit/components/timermanager/tests/unit/xpcshell.ini
new file mode 100644
index 0000000000..89e192e941
--- /dev/null
+++ b/toolkit/components/timermanager/tests/unit/xpcshell.ini
@@ -0,0 +1,9 @@
+; 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/.
+
+[DEFAULT]
+head = 
+tail = 
+
+[consumerNotifications.js]