Purge b2g/

1 files changed, 0 insertions, 783 deletions

diff --git a/b2g/components/UpdatePrompt.js b/b2g/components/UpdatePrompt.js
deleted file mode 100644
index 1df07204c..000000000
--- a/b2g/components/UpdatePrompt.js
+++ /dev/null
@@ -1,783 +0,0 @@
-/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*-
- * vim: sw=2 ts=8 et :
- */
-/* 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/. */
-
-const Cc = Components.classes;
-const Ci = Components.interfaces;
-const Cu = Components.utils;
-const Cr = Components.results;
-
-Cu.import("resource://gre/modules/XPCOMUtils.jsm");
-Cu.import("resource://gre/modules/Services.jsm");
-Cu.import("resource://gre/modules/AppConstants.jsm");
-
-const VERBOSE = 1;
-var log =
-  VERBOSE ?
-  function log_dump(msg) { dump("UpdatePrompt: "+ msg +"\n"); } :
-  function log_noop(msg) { };
-
-const PREF_APPLY_PROMPT_TIMEOUT          = "b2g.update.apply-prompt-timeout";
-const PREF_APPLY_IDLE_TIMEOUT            = "b2g.update.apply-idle-timeout";
-const PREF_DOWNLOAD_WATCHDOG_TIMEOUT     = "b2g.update.download-watchdog-timeout";
-const PREF_DOWNLOAD_WATCHDOG_MAX_RETRIES = "b2g.update.download-watchdog-max-retries";
-
-const NETWORK_ERROR_OFFLINE = 111;
-const HTTP_ERROR_OFFSET     = 1000;
-
-const STATE_DOWNLOADING = 'downloading';
-
-XPCOMUtils.defineLazyServiceGetter(Services, "aus",
-                                   "@mozilla.org/updates/update-service;1",
-                                   "nsIApplicationUpdateService");
-
-XPCOMUtils.defineLazyServiceGetter(Services, "um",
-                                   "@mozilla.org/updates/update-manager;1",
-                                   "nsIUpdateManager");
-
-XPCOMUtils.defineLazyServiceGetter(Services, "idle",
-                                   "@mozilla.org/widget/idleservice;1",
-                                   "nsIIdleService");
-
-XPCOMUtils.defineLazyServiceGetter(Services, "settings",
-                                   "@mozilla.org/settingsService;1",
-                                   "nsISettingsService");
-
-XPCOMUtils.defineLazyServiceGetter(Services, 'env',
-                                   '@mozilla.org/process/environment;1',
-                                   'nsIEnvironment');
-
-function useSettings() {
-  // When we're running in the real phone, then we can use settings.
-  // But when we're running as part of xpcshell, there is no settings database
-  // and trying to use settings in this scenario causes lots of weird
-  // assertions at shutdown time.
-  if (typeof useSettings.result === "undefined") {
-    useSettings.result = !Services.env.get("XPCSHELL_TEST_PROFILE_DIR");
-  }
-  return useSettings.result;
-}
-
-XPCOMUtils.defineLazyModuleGetter(this, "SystemAppProxy",
-                                  "resource://gre/modules/SystemAppProxy.jsm");
-
-function UpdateCheckListener(updatePrompt) {
-  this._updatePrompt = updatePrompt;
-}
-
-UpdateCheckListener.prototype = {
-  QueryInterface: XPCOMUtils.generateQI([Ci.nsIUpdateCheckListener]),
-
-  _updatePrompt: null,
-
-  onCheckComplete: function UCL_onCheckComplete(request, updates, updateCount) {
-    if (Services.um.activeUpdate) {
-      // We're actively downloading an update, that's the update the user should
-      // see, even if a newer update is available.
-      this._updatePrompt.setUpdateStatus("active-update");
-      this._updatePrompt.showUpdateAvailable(Services.um.activeUpdate);
-      return;
-    }
-
-    if (updateCount == 0) {
-      this._updatePrompt.setUpdateStatus("no-updates");
-
-      if (this._updatePrompt._systemUpdateListener) {
-        this._updatePrompt._systemUpdateListener.onError("no-updates");
-      }
-
-      return;
-    }
-
-    let update = Services.aus.selectUpdate(updates, updateCount);
-    if (!update) {
-      this._updatePrompt.setUpdateStatus("already-latest-version");
-
-      if (this._updatePrompt._systemUpdateListener) {
-        this._updatePrompt._systemUpdateListener.onError("already-latest-version");
-      }
-
-      return;
-    }
-
-    this._updatePrompt.setUpdateStatus("check-complete");
-    this._updatePrompt.showUpdateAvailable(update);
-  },
-
-  onError: function UCL_onError(request, update) {
-    // nsIUpdate uses a signed integer for errorCode while any platform errors
-    // require all 32 bits.
-    let errorCode = update.errorCode >>> 0;
-    let isNSError = (errorCode >>> 31) == 1;
-    let errorMsg = "check-error-";
-
-    if (errorCode == NETWORK_ERROR_OFFLINE) {
-      errorMsg = "retry-when-online";
-      this._updatePrompt.setUpdateStatus(errorMsg);
-    } else if (isNSError) {
-      errorMsg = "check-error-" + errorCode;
-      this._updatePrompt.setUpdateStatus(errorMsg);
-    } else if (errorCode > HTTP_ERROR_OFFSET) {
-      let httpErrorCode = errorCode - HTTP_ERROR_OFFSET;
-      errorMsg = "check-error-http-" + httpErrorCode;
-      this._updatePrompt.setUpdateStatus(errorMsg);
-    }
-
-    if (this._updatePrompt._systemUpdateListener) {
-      this._updatePrompt._systemUpdateListener.onError(errorMsg);
-    }
-
-    Services.aus.QueryInterface(Ci.nsIUpdateCheckListener);
-    Services.aus.onError(request, update);
-  }
-};
-
-function UpdatePrompt() {
-  this.wrappedJSObject = this;
-  this._updateCheckListener = new UpdateCheckListener(this);
-}
-
-UpdatePrompt.prototype = {
-  classID: Components.ID("{88b3eb21-d072-4e3b-886d-f89d8c49fe59}"),
-  QueryInterface: XPCOMUtils.generateQI([Ci.nsIUpdatePrompt,
-                                         Ci.nsIUpdateCheckListener,
-                                         Ci.nsIRequestObserver,
-                                         Ci.nsIProgressEventSink,
-                                         Ci.nsIObserver,
-                                         Ci.nsISystemUpdateProvider]),
-  _xpcom_factory: XPCOMUtils.generateSingletonFactory(UpdatePrompt),
-
-  _update: null,
-  _applyPromptTimer: null,
-  _waitingForIdle: false,
-  _updateCheckListner: null,
-  _systemUpdateListener: null,
-  _availableParameters: {
-    "deviceinfo.last_updated": null,
-    "gecko.updateStatus": null,
-    "app.update.channel": null,
-    "app.update.interval": null,
-    "app.update.url": null,
-  },
-  _pendingUpdateAvailablePackageInfo: null,
-  _isPendingUpdateReady: false,
-  _updateErrorQueue: [ ],
-  _receivedUpdatePromptReady: false,
-
-  // nsISystemUpdateProvider
-  checkForUpdate: function() {
-    this.forceUpdateCheck();
-  },
-
-  startDownload: function() {
-    this.downloadUpdate(this._update);
-  },
-
-  stopDownload: function() {
-    this.handleDownloadCancel();
-  },
-
-  applyUpdate: function() {
-    this.handleApplyPromptResult({result: "restart"});
-  },
-
-  setParameter: function(aName, aValue) {
-    if (!this._availableParameters.hasOwnProperty(aName)) {
-      return false;
-    }
-
-    this._availableParameters[aName] = aValue;
-
-    switch (aName) {
-      case "app.update.channel":
-      case "app.update.url":
-        Services.prefs.setCharPref(aName, aValue);
-        break;
-      case "app.update.interval":
-        Services.prefs.setIntPref(aName, parseInt(aValue, 10));
-        break;
-    }
-
-    return true;
-  },
-
-  getParameter: function(aName) {
-    if (!this._availableParameters.hasOwnProperty(aName)) {
-      return null;
-    }
-
-    return this._availableParameters[aName];
-  },
-
-  setListener: function(aListener) {
-    this._systemUpdateListener = aListener;
-
-    // If an update is available or ready, trigger the event right away at this point.
-    if (this._pendingUpdateAvailablePackageInfo) {
-      this._systemUpdateListener.onUpdateAvailable(this._pendingUpdateAvailablePackageInfo.type,
-                                             this._pendingUpdateAvailablePackageInfo.version,
-                                             this._pendingUpdateAvailablePackageInfo.description,
-                                             this._pendingUpdateAvailablePackageInfo.buildDate,
-                                             this._pendingUpdateAvailablePackageInfo.size);
-      // Set null when the listener is attached.
-      this._pendingUpdateAvailablePackageInfo = null;
-    }
-
-    if (this._isPendingUpdateReady) {
-      this._systemUpdateListener.onUpdateReady();
-      this._isPendingUpdateReady = false;
-    }
-  },
-
-  unsetListener: function(aListener) {
-    this._systemUpdateListener = null;
-  },
-
-  get applyPromptTimeout() {
-    return Services.prefs.getIntPref(PREF_APPLY_PROMPT_TIMEOUT);
-  },
-
-  get applyIdleTimeout() {
-    return Services.prefs.getIntPref(PREF_APPLY_IDLE_TIMEOUT);
-  },
-
-  handleContentStart: function UP_handleContentStart() {
-    SystemAppProxy.addEventListener("mozContentEvent", this);
-  },
-
-  // nsIUpdatePrompt
-
-  // FIXME/bug 737601: we should have users opt-in to downloading
-  // updates when on a billed pipe.  Initially, opt-in for 3g, but
-  // that doesn't cover all cases.
-  checkForUpdates: function UP_checkForUpdates() { },
-
-  showUpdateAvailable: function UP_showUpdateAvailable(aUpdate) {
-    let packageInfo = {};
-    packageInfo.version = aUpdate.displayVersion;
-    packageInfo.description = aUpdate.statusText;
-    packageInfo.buildDate = aUpdate.buildID;
-
-    let patch = aUpdate.selectedPatch;
-    if (!patch && aUpdate.patchCount > 0) {
-      // For now we just check the first patch to get size information if a
-      // patch hasn't been selected yet.
-      patch = aUpdate.getPatchAt(0);
-    }
-
-    if (patch) {
-      packageInfo.size = patch.size;
-      packageInfo.type = patch.type;
-    } else {
-      log("Warning: no patches available in update");
-    }
-
-    this._pendingUpdateAvailablePackageInfo = packageInfo;
-
-    if (this._systemUpdateListener) {
-      this._systemUpdateListener.onUpdateAvailable(packageInfo.type,
-                                             packageInfo.version,
-                                             packageInfo.description,
-                                             packageInfo.buildDate,
-                                             packageInfo.size);
-      // Set null since the event is fired.
-      this._pendingUpdateAvailablePackageInfo = null;
-    }
-
-    if (!this.sendUpdateEvent("update-available", aUpdate)) {
-
-      log("Unable to prompt for available update, forcing download");
-      this.downloadUpdate(aUpdate);
-    }
-  },
-
-  showUpdateDownloaded: function UP_showUpdateDownloaded(aUpdate, aBackground) {
-    if (this._systemUpdateListener) {
-      this._systemUpdateListener.onUpdateReady();
-    } else {
-      this._isPendingUpdateReady = true;
-    }
-
-    // The update has been downloaded and staged. We send the update-downloaded
-    // event right away. After the user has been idle for a while, we send the
-    // update-prompt-restart event, increasing the chances that we can apply the
-    // update quietly without user intervention.
-    this.sendUpdateEvent("update-downloaded", aUpdate);
-
-    if (Services.idle.idleTime >= this.applyIdleTimeout) {
-      this.showApplyPrompt(aUpdate);
-      return;
-    }
-
-    let applyIdleTimeoutSeconds = this.applyIdleTimeout / 1000;
-    // We haven't been idle long enough, so register an observer
-    log("Update is ready to apply, registering idle timeout of " +
-        applyIdleTimeoutSeconds + " seconds before prompting.");
-
-    this._update = aUpdate;
-    this.waitForIdle();
-  },
-
-  storeUpdateError: function UP_storeUpdateError(aUpdate) {
-    log("Storing update error for later use");
-    this._updateErrorQueue.push(aUpdate);
-  },
-
-  sendStoredUpdateError: function UP_sendStoredUpdateError() {
-    log("Sending stored update error");
-    this._updateErrorQueue.forEach(aUpdate => {
-      this.sendUpdateEvent("update-error", aUpdate);
-    });
-    this._updateErrorQueue = [ ];
-  },
-
-  showUpdateError: function UP_showUpdateError(aUpdate) {
-    log("Update error, state: " + aUpdate.state + ", errorCode: " +
-        aUpdate.errorCode);
-    if (this._systemUpdateListener) {
-      this._systemUpdateListener.onError("update-error: " + aUpdate.errorCode + " " + aUpdate.statusText);
-    }
-
-    if (!this._receivedUpdatePromptReady) {
-      this.storeUpdateError(aUpdate);
-    } else {
-      this.sendUpdateEvent("update-error", aUpdate);
-    }
-
-    this.setUpdateStatus(aUpdate.statusText);
-  },
-
-  showUpdateHistory: function UP_showUpdateHistory(aParent) { },
-  showUpdateInstalled: function UP_showUpdateInstalled() {
-    this.setParameter("deviceinfo.last_updated", Date.now());
-
-    if (useSettings()) {
-      let lock = Services.settings.createLock();
-      lock.set("deviceinfo.last_updated", Date.now(), null, null);
-    }
-  },
-
-  // Custom functions
-
-  waitForIdle: function UP_waitForIdle() {
-    if (this._waitingForIdle) {
-      return;
-    }
-
-    this._waitingForIdle = true;
-    Services.idle.addIdleObserver(this, this.applyIdleTimeout / 1000);
-    Services.obs.addObserver(this, "quit-application", false);
-  },
-
-  setUpdateStatus: function UP_setUpdateStatus(aStatus) {
-     this.setParameter("gecko.updateStatus", aStatus);
-
-     if (useSettings()) {
-       log("Setting gecko.updateStatus: " + aStatus);
-
-       let lock = Services.settings.createLock();
-       lock.set("gecko.updateStatus", aStatus, null);
-     }
-  },
-
-  showApplyPrompt: function UP_showApplyPrompt(aUpdate) {
-    // Notify update package is ready to apply
-    if (this._systemUpdateListener) {
-      this._systemUpdateListener.onUpdateReady();
-    } else {
-      // Set the flag to true and fire the onUpdateReady event when the listener is attached.
-      this._isPendingUpdateReady = true;
-    }
-
-    if (!this.sendUpdateEvent("update-prompt-apply", aUpdate)) {
-      log("Unable to prompt, forcing restart");
-      this.restartProcess();
-      return;
-    }
-
-    if (AppConstants.MOZ_B2G_RIL) {
-      let window = Services.wm.getMostRecentWindow("navigator:browser");
-      let pinReq = window.navigator.mozIccManager.getCardLock("pin");
-      pinReq.onsuccess = function(e) {
-        if (e.target.result.enabled) {
-          // The SIM is pin locked. Don't use a fallback timer. This means that
-          // the user has to press Install to apply the update. If we use the
-          // timer, and the timer reboots the phone, then the phone will be
-          // unusable until the SIM is unlocked.
-          log("SIM is pin locked. Not starting fallback timer.");
-        } else {
-          // This means that no pin lock is enabled, so we go ahead and start
-          // the fallback timer.
-          this._applyPromptTimer = this.createTimer(this.applyPromptTimeout);
-        }
-      }.bind(this);
-      pinReq.onerror = function(e) {
-        this._applyPromptTimer = this.createTimer(this.applyPromptTimeout);
-      }.bind(this);
-    } else {
-      // Schedule a fallback timeout in case the UI is unable to respond or show
-      // a prompt for some reason.
-      this._applyPromptTimer = this.createTimer(this.applyPromptTimeout);
-    }
-  },
-
-  _copyProperties: ["appVersion", "buildID", "detailsURL", "displayVersion",
-                    "errorCode", "isOSUpdate", "platformVersion",
-                    "previousAppVersion", "state", "statusText"],
-
-  sendUpdateEvent: function UP_sendUpdateEvent(aType, aUpdate) {
-    let detail = {};
-    for (let property of this._copyProperties) {
-      detail[property] = aUpdate[property];
-    }
-
-    let patch = aUpdate.selectedPatch;
-    if (!patch && aUpdate.patchCount > 0) {
-      // For now we just check the first patch to get size information if a
-      // patch hasn't been selected yet.
-      patch = aUpdate.getPatchAt(0);
-    }
-
-    if (patch) {
-      detail.size = patch.size;
-      detail.updateType = patch.type;
-    } else {
-      log("Warning: no patches available in update");
-    }
-
-    this._update = aUpdate;
-    return this.sendChromeEvent(aType, detail);
-  },
-
-  sendChromeEvent: function UP_sendChromeEvent(aType, aDetail) {
-    let detail = aDetail || {};
-    detail.type = aType;
-
-    let sent = SystemAppProxy.dispatchEvent(detail);
-    if (!sent) {
-      log("Warning: Couldn't send update event " + aType +
-          ": no content browser. Will send again when content becomes available.");
-      return false;
-    }
-    return true;
-  },
-
-  handleAvailableResult: function UP_handleAvailableResult(aDetail) {
-    // If the user doesn't choose "download", the updater will implicitly call
-    // showUpdateAvailable again after a certain period of time
-    switch (aDetail.result) {
-      case "download":
-        this.downloadUpdate(this._update);
-        break;
-    }
-  },
-
-  handleApplyPromptResult: function UP_handleApplyPromptResult(aDetail) {
-    if (this._applyPromptTimer) {
-      this._applyPromptTimer.cancel();
-      this._applyPromptTimer = null;
-    }
-
-    switch (aDetail.result) {
-      // Battery not okay, do not wait for idle to re-prompt
-      case "low-battery":
-        break;
-      case "wait":
-        // Wait until the user is idle before prompting to apply the update
-        this.waitForIdle();
-        break;
-      case "restart":
-        this.finishUpdate();
-        this._update = null;
-        break;
-    }
-  },
-
-  downloadUpdate: function UP_downloadUpdate(aUpdate) {
-    if (!aUpdate) {
-      aUpdate = Services.um.activeUpdate;
-      if (!aUpdate) {
-        log("No active update found to download");
-        return;
-      }
-    }
-
-    let status = Services.aus.downloadUpdate(aUpdate, true);
-    if (status == STATE_DOWNLOADING) {
-      Services.aus.addDownloadListener(this);
-      return;
-    }
-
-    // If the update has already been downloaded and applied, then
-    // Services.aus.downloadUpdate will return immediately and not
-    // call showUpdateDownloaded, so we detect this.
-    if (aUpdate.state == "applied" && aUpdate.errorCode == 0) {
-      this.showUpdateDownloaded(aUpdate, true);
-      return;
-    }
-
-    log("Error downloading update " + aUpdate.name + ": " + aUpdate.errorCode);
-    let errorCode = aUpdate.errorCode >>> 0;
-    if (errorCode == Cr.NS_ERROR_FILE_TOO_BIG) {
-      aUpdate.statusText = "file-too-big";
-    }
-    this.showUpdateError(aUpdate);
-  },
-
-  handleDownloadCancel: function UP_handleDownloadCancel() {
-    log("Pausing download");
-    Services.aus.pauseDownload();
-  },
-
-  finishUpdate: function UP_finishUpdate() {
-    if (!this._update.isOSUpdate) {
-      // Standard gecko+gaia updates will just need to restart the process
-      this.restartProcess();
-      return;
-    }
- 
-    try {
-      Services.aus.applyOsUpdate(this._update);
-    }
-    catch (e) {
-      this._update.errorCode = Cr.NS_ERROR_FAILURE;
-      this.showUpdateError(this._update);
-    }
-  },
-
-  restartProcess: function UP_restartProcess() {
-    log("Update downloaded, restarting to apply it");
-
-    let callbackAfterSet = function() {
-      if (AppConstants.platform !== "gonk") {
-        let appStartup = Cc["@mozilla.org/toolkit/app-startup;1"]
-                         .getService(Ci.nsIAppStartup);
-        appStartup.quit(appStartup.eForceQuit | appStartup.eRestart);
-      } else {
-        // NB: on Gonk, we rely on the system process manager to restart us.
-        let pmService = Cc["@mozilla.org/power/powermanagerservice;1"]
-                        .getService(Ci.nsIPowerManagerService);
-        pmService.restart();
-      }
-    }
-
-    if (useSettings()) {
-      // Save current os version in deviceinfo.previous_os
-      let lock = Services.settings.createLock({
-        handle: callbackAfterSet,
-        handleAbort: function(error) {
-          log("Abort callback when trying to set previous_os: " + error);
-          callbackAfterSet();
-        }
-      });
-      lock.get("deviceinfo.os", {
-        handle: function(name, value) {
-          log("Set previous_os to: " + value);
-          lock.set("deviceinfo.previous_os", value, null, null);
-        }
-      });
-    }
-  },
-
-  forceUpdateCheck: function UP_forceUpdateCheck() {
-    log("Forcing update check");
-
-    let checker = Cc["@mozilla.org/updates/update-checker;1"]
-                    .createInstance(Ci.nsIUpdateChecker);
-    checker.checkForUpdates(this._updateCheckListener, true);
-  },
-
-  handleEvent: function UP_handleEvent(evt) {
-    if (evt.type !== "mozContentEvent") {
-      return;
-    }
-
-    let detail = evt.detail;
-    if (!detail) {
-      return;
-    }
-
-    switch (detail.type) {
-      case "force-update-check":
-        this.forceUpdateCheck();
-        break;
-      case "update-available-result":
-        this.handleAvailableResult(detail);
-        // If we started the apply prompt timer, this means that we're waiting
-        // for the user to press Later or Install Now. In this situation we
-        // don't want to clear this._update, becuase handleApplyPromptResult
-        // needs it.
-        if (this._applyPromptTimer == null && !this._waitingForIdle) {
-          this._update = null;
-        }
-        break;
-      case "update-download-cancel":
-        this.handleDownloadCancel();
-        break;
-      case "update-prompt-apply-result":
-        this.handleApplyPromptResult(detail);
-        break;
-      case "update-prompt-ready":
-        this._receivedUpdatePromptReady = true;
-        this.sendStoredUpdateError();
-        break;
-    }
-  },
-
-  // nsIObserver
-
-  observe: function UP_observe(aSubject, aTopic, aData) {
-    switch (aTopic) {
-      case "idle":
-        this._waitingForIdle = false;
-        this.showApplyPrompt(this._update);
-        // Fall through
-      case "quit-application":
-        Services.idle.removeIdleObserver(this, this.applyIdleTimeout / 1000);
-        Services.obs.removeObserver(this, "quit-application");
-        break;
-    }
-  },
-
-  // nsITimerCallback
-
-  notify: function UP_notify(aTimer) {
-    if (aTimer == this._applyPromptTimer) {
-      log("Timed out waiting for result, restarting");
-      this._applyPromptTimer = null;
-      this.finishUpdate();
-      this._update = null;
-      return;
-    }
-    if (aTimer == this._watchdogTimer) {
-      log("Download watchdog fired");
-      this._watchdogTimer = null;
-      this._autoRestartDownload = true;
-      Services.aus.pauseDownload();
-      return;
-    }
-  },
-
-  createTimer: function UP_createTimer(aTimeoutMs) {
-    let timer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
-    timer.initWithCallback(this, aTimeoutMs, timer.TYPE_ONE_SHOT);
-    return timer;
-  },
-
-  // nsIRequestObserver
-
-  _startedSent: false,
-
-  _watchdogTimer: null,
-
-  _autoRestartDownload: false,
-  _autoRestartCount: 0,
-
-  startWatchdogTimer: function UP_startWatchdogTimer() {
-    let watchdogTimeout = 120000;  // 120 seconds
-    try {
-      watchdogTimeout = Services.prefs.getIntPref(PREF_DOWNLOAD_WATCHDOG_TIMEOUT);
-    } catch (e) {
-      // This means that the preference doesn't exist. watchdogTimeout will
-      // retain its default assigned above.
-    }
-    if (watchdogTimeout <= 0) {
-      // 0 implies don't bother using the watchdog timer at all.
-      this._watchdogTimer = null;
-      return;
-    }
-    if (this._watchdogTimer) {
-      this._watchdogTimer.cancel();
-    } else {
-      this._watchdogTimer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
-    }
-    this._watchdogTimer.initWithCallback(this, watchdogTimeout,
-                                         Ci.nsITimer.TYPE_ONE_SHOT);
-  },
-
-  stopWatchdogTimer: function UP_stopWatchdogTimer() {
-    if (this._watchdogTimer) {
-      this._watchdogTimer.cancel();
-      this._watchdogTimer = null;
-    }
-  },
-
-  touchWatchdogTimer: function UP_touchWatchdogTimer() {
-    this.startWatchdogTimer();
-  },
-
-  onStartRequest: function UP_onStartRequest(aRequest, aContext) {
-    // Wait until onProgress to send the update-download-started event, in case
-    // this request turns out to fail for some reason
-    this._startedSent = false;
-    this.startWatchdogTimer();
-  },
-
-  onStopRequest: function UP_onStopRequest(aRequest, aContext, aStatusCode) {
-    this.stopWatchdogTimer();
-    Services.aus.removeDownloadListener(this);
-    let paused = !Components.isSuccessCode(aStatusCode);
-    if (!paused) {
-      // The download was successful, no need to restart
-      this._autoRestartDownload = false;
-    }
-    if (this._autoRestartDownload) {
-      this._autoRestartDownload = false;
-      let watchdogMaxRetries = Services.prefs.getIntPref(PREF_DOWNLOAD_WATCHDOG_MAX_RETRIES);
-      this._autoRestartCount++;
-      if (this._autoRestartCount > watchdogMaxRetries) {
-        log("Download - retry count exceeded - error");
-        // We exceeded the max retries. Treat the download like an error,
-        // which will give the user a chance to restart manually later.
-        this._autoRestartCount = 0;
-        if (Services.um.activeUpdate) {
-          this.showUpdateError(Services.um.activeUpdate);
-        }
-        return;
-      }
-      log("Download - restarting download - attempt " + this._autoRestartCount);
-      this.downloadUpdate(null);
-      return;
-    }
-    this._autoRestartCount = 0;
-    this.sendChromeEvent("update-download-stopped", {
-      paused: paused
-    });
-  },
-
-  // nsIProgressEventSink
-
-  onProgress: function UP_onProgress(aRequest, aContext, aProgress,
-                                     aProgressMax) {
-    if (this._systemUpdateListener) {
-      this._systemUpdateListener.onProgress(aProgress, aProgressMax);
-    }
-
-    if (aProgress == aProgressMax) {
-      // The update.mar validation done by onStopRequest may take
-      // a while before the onStopRequest callback is made, so stop
-      // the timer now.
-      this.stopWatchdogTimer();
-    } else {
-      this.touchWatchdogTimer();
-    }
-    if (!this._startedSent) {
-      this.sendChromeEvent("update-download-started", {
-        total: aProgressMax
-      });
-      this._startedSent = true;
-    }
-
-    this.sendChromeEvent("update-download-progress", {
-      progress: aProgress,
-      total: aProgressMax
-    });
-  },
-
-  onStatus: function UP_onStatus(aRequest, aUpdate, aStatus, aStatusArg) { }
-};
-
-this.NSGetFactory = XPCOMUtils.generateNSGetFactory([UpdatePrompt]);