1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/b2g/components/UpdatePrompt.js Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,605 @@
1.4 +/* -*- Mode: Java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
1.5 + * vim: sw=2 ts=8 et :
1.6 + */
1.7 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.8 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
1.9 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
1.10 +
1.11 +const Cc = Components.classes;
1.12 +const Ci = Components.interfaces;
1.13 +const Cu = Components.utils;
1.14 +const Cr = Components.results;
1.15 +
1.16 +Cu.import("resource://gre/modules/XPCOMUtils.jsm");
1.17 +Cu.import("resource://gre/modules/Services.jsm");
1.18 +Cu.import("resource://gre/modules/WebappsUpdater.jsm");
1.19 +
1.20 +const VERBOSE = 1;
1.21 +let log =
1.22 + VERBOSE ?
1.23 + function log_dump(msg) { dump("UpdatePrompt: "+ msg +"\n"); } :
1.24 + function log_noop(msg) { };
1.25 +
1.26 +const PREF_APPLY_PROMPT_TIMEOUT = "b2g.update.apply-prompt-timeout";
1.27 +const PREF_APPLY_IDLE_TIMEOUT = "b2g.update.apply-idle-timeout";
1.28 +const PREF_DOWNLOAD_WATCHDOG_TIMEOUT = "b2g.update.download-watchdog-timeout";
1.29 +const PREF_DOWNLOAD_WATCHDOG_MAX_RETRIES = "b2g.update.download-watchdog-max-retries";
1.30 +
1.31 +const NETWORK_ERROR_OFFLINE = 111;
1.32 +const HTTP_ERROR_OFFSET = 1000;
1.33 +
1.34 +const STATE_DOWNLOADING = 'downloading';
1.35 +
1.36 +XPCOMUtils.defineLazyServiceGetter(Services, "aus",
1.37 + "@mozilla.org/updates/update-service;1",
1.38 + "nsIApplicationUpdateService");
1.39 +
1.40 +XPCOMUtils.defineLazyServiceGetter(Services, "um",
1.41 + "@mozilla.org/updates/update-manager;1",
1.42 + "nsIUpdateManager");
1.43 +
1.44 +XPCOMUtils.defineLazyServiceGetter(Services, "idle",
1.45 + "@mozilla.org/widget/idleservice;1",
1.46 + "nsIIdleService");
1.47 +
1.48 +XPCOMUtils.defineLazyServiceGetter(Services, "settings",
1.49 + "@mozilla.org/settingsService;1",
1.50 + "nsISettingsService");
1.51 +
1.52 +XPCOMUtils.defineLazyServiceGetter(Services, 'env',
1.53 + '@mozilla.org/process/environment;1',
1.54 + 'nsIEnvironment');
1.55 +
1.56 +function useSettings() {
1.57 + // When we're running in the real phone, then we can use settings.
1.58 + // But when we're running as part of xpcshell, there is no settings database
1.59 + // and trying to use settings in this scenario causes lots of weird
1.60 + // assertions at shutdown time.
1.61 + if (typeof useSettings.result === "undefined") {
1.62 + useSettings.result = !Services.env.get("XPCSHELL_TEST_PROFILE_DIR");
1.63 + }
1.64 + return useSettings.result;
1.65 +}
1.66 +
1.67 +XPCOMUtils.defineLazyModuleGetter(this, "SystemAppProxy",
1.68 + "resource://gre/modules/SystemAppProxy.jsm");
1.69 +
1.70 +function UpdateCheckListener(updatePrompt) {
1.71 + this._updatePrompt = updatePrompt;
1.72 +}
1.73 +
1.74 +UpdateCheckListener.prototype = {
1.75 + QueryInterface: XPCOMUtils.generateQI([Ci.nsIUpdateCheckListener]),
1.76 +
1.77 + _updatePrompt: null,
1.78 +
1.79 + onCheckComplete: function UCL_onCheckComplete(request, updates, updateCount) {
1.80 + if (Services.um.activeUpdate) {
1.81 + // We're actively downloading an update, that's the update the user should
1.82 + // see, even if a newer update is available.
1.83 + this._updatePrompt.setUpdateStatus("active-update");
1.84 + this._updatePrompt.showUpdateAvailable(Services.um.activeUpdate);
1.85 + return;
1.86 + }
1.87 +
1.88 + if (updateCount == 0) {
1.89 + this._updatePrompt.setUpdateStatus("no-updates");
1.90 + return;
1.91 + }
1.92 +
1.93 + let update = Services.aus.selectUpdate(updates, updateCount);
1.94 + if (!update) {
1.95 + this._updatePrompt.setUpdateStatus("already-latest-version");
1.96 + return;
1.97 + }
1.98 +
1.99 + this._updatePrompt.setUpdateStatus("check-complete");
1.100 + this._updatePrompt.showUpdateAvailable(update);
1.101 + },
1.102 +
1.103 + onError: function UCL_onError(request, update) {
1.104 + // nsIUpdate uses a signed integer for errorCode while any platform errors
1.105 + // require all 32 bits.
1.106 + let errorCode = update.errorCode >>> 0;
1.107 + let isNSError = (errorCode >>> 31) == 1;
1.108 +
1.109 + if (errorCode == NETWORK_ERROR_OFFLINE) {
1.110 + this._updatePrompt.setUpdateStatus("retry-when-online");
1.111 + } else if (isNSError) {
1.112 + this._updatePrompt.setUpdateStatus("check-error-" + errorCode);
1.113 + } else if (errorCode > HTTP_ERROR_OFFSET) {
1.114 + let httpErrorCode = errorCode - HTTP_ERROR_OFFSET;
1.115 + this._updatePrompt.setUpdateStatus("check-error-http-" + httpErrorCode);
1.116 + }
1.117 +
1.118 + Services.aus.QueryInterface(Ci.nsIUpdateCheckListener);
1.119 + Services.aus.onError(request, update);
1.120 + }
1.121 +};
1.122 +
1.123 +function UpdatePrompt() {
1.124 + this.wrappedJSObject = this;
1.125 + this._updateCheckListener = new UpdateCheckListener(this);
1.126 + Services.obs.addObserver(this, "update-check-start", false);
1.127 +}
1.128 +
1.129 +UpdatePrompt.prototype = {
1.130 + classID: Components.ID("{88b3eb21-d072-4e3b-886d-f89d8c49fe59}"),
1.131 + QueryInterface: XPCOMUtils.generateQI([Ci.nsIUpdatePrompt,
1.132 + Ci.nsIUpdateCheckListener,
1.133 + Ci.nsIRequestObserver,
1.134 + Ci.nsIProgressEventSink,
1.135 + Ci.nsIObserver]),
1.136 + _xpcom_factory: XPCOMUtils.generateSingletonFactory(UpdatePrompt),
1.137 +
1.138 + _update: null,
1.139 + _applyPromptTimer: null,
1.140 + _waitingForIdle: false,
1.141 + _updateCheckListner: null,
1.142 +
1.143 + get applyPromptTimeout() {
1.144 + return Services.prefs.getIntPref(PREF_APPLY_PROMPT_TIMEOUT);
1.145 + },
1.146 +
1.147 + get applyIdleTimeout() {
1.148 + return Services.prefs.getIntPref(PREF_APPLY_IDLE_TIMEOUT);
1.149 + },
1.150 +
1.151 + handleContentStart: function UP_handleContentStart() {
1.152 + SystemAppProxy.addEventListener("mozContentEvent", this);
1.153 + },
1.154 +
1.155 + // nsIUpdatePrompt
1.156 +
1.157 + // FIXME/bug 737601: we should have users opt-in to downloading
1.158 + // updates when on a billed pipe. Initially, opt-in for 3g, but
1.159 + // that doesn't cover all cases.
1.160 + checkForUpdates: function UP_checkForUpdates() { },
1.161 +
1.162 + showUpdateAvailable: function UP_showUpdateAvailable(aUpdate) {
1.163 + if (!this.sendUpdateEvent("update-available", aUpdate)) {
1.164 +
1.165 + log("Unable to prompt for available update, forcing download");
1.166 + this.downloadUpdate(aUpdate);
1.167 + }
1.168 + },
1.169 +
1.170 + showUpdateDownloaded: function UP_showUpdateDownloaded(aUpdate, aBackground) {
1.171 + // The update has been downloaded and staged. We send the update-downloaded
1.172 + // event right away. After the user has been idle for a while, we send the
1.173 + // update-prompt-restart event, increasing the chances that we can apply the
1.174 + // update quietly without user intervention.
1.175 + this.sendUpdateEvent("update-downloaded", aUpdate);
1.176 +
1.177 + if (Services.idle.idleTime >= this.applyIdleTimeout) {
1.178 + this.showApplyPrompt(aUpdate);
1.179 + return;
1.180 + }
1.181 +
1.182 + let applyIdleTimeoutSeconds = this.applyIdleTimeout / 1000;
1.183 + // We haven't been idle long enough, so register an observer
1.184 + log("Update is ready to apply, registering idle timeout of " +
1.185 + applyIdleTimeoutSeconds + " seconds before prompting.");
1.186 +
1.187 + this._update = aUpdate;
1.188 + this.waitForIdle();
1.189 + },
1.190 +
1.191 + showUpdateError: function UP_showUpdateError(aUpdate) {
1.192 + log("Update error, state: " + aUpdate.state + ", errorCode: " +
1.193 + aUpdate.errorCode);
1.194 + this.sendUpdateEvent("update-error", aUpdate);
1.195 + this.setUpdateStatus(aUpdate.statusText);
1.196 + },
1.197 +
1.198 + showUpdateHistory: function UP_showUpdateHistory(aParent) { },
1.199 + showUpdateInstalled: function UP_showUpdateInstalled() {
1.200 + if (useSettings()) {
1.201 + let lock = Services.settings.createLock();
1.202 + lock.set("deviceinfo.last_updated", Date.now(), null, null);
1.203 + }
1.204 + },
1.205 +
1.206 + // Custom functions
1.207 +
1.208 + waitForIdle: function UP_waitForIdle() {
1.209 + if (this._waitingForIdle) {
1.210 + return;
1.211 + }
1.212 +
1.213 + this._waitingForIdle = true;
1.214 + Services.idle.addIdleObserver(this, this.applyIdleTimeout / 1000);
1.215 + Services.obs.addObserver(this, "quit-application", false);
1.216 + },
1.217 +
1.218 + setUpdateStatus: function UP_setUpdateStatus(aStatus) {
1.219 + if (useSettings()) {
1.220 + log("Setting gecko.updateStatus: " + aStatus);
1.221 +
1.222 + let lock = Services.settings.createLock();
1.223 + lock.set("gecko.updateStatus", aStatus, null);
1.224 + }
1.225 + },
1.226 +
1.227 + showApplyPrompt: function UP_showApplyPrompt(aUpdate) {
1.228 + if (!this.sendUpdateEvent("update-prompt-apply", aUpdate)) {
1.229 + log("Unable to prompt, forcing restart");
1.230 + this.restartProcess();
1.231 + return;
1.232 + }
1.233 +
1.234 +#ifdef MOZ_B2G_RIL
1.235 + let window = Services.wm.getMostRecentWindow("navigator:browser");
1.236 + let pinReq = window.navigator.mozIccManager.getCardLock("pin");
1.237 + pinReq.onsuccess = function(e) {
1.238 + if (e.target.result.enabled) {
1.239 + // The SIM is pin locked. Don't use a fallback timer. This means that
1.240 + // the user has to press Install to apply the update. If we use the
1.241 + // timer, and the timer reboots the phone, then the phone will be
1.242 + // unusable until the SIM is unlocked.
1.243 + log("SIM is pin locked. Not starting fallback timer.");
1.244 + } else {
1.245 + // This means that no pin lock is enabled, so we go ahead and start
1.246 + // the fallback timer.
1.247 + this._applyPromptTimer = this.createTimer(this.applyPromptTimeout);
1.248 + }
1.249 + }.bind(this);
1.250 + pinReq.onerror = function(e) {
1.251 + this._applyPromptTimer = this.createTimer(this.applyPromptTimeout);
1.252 + }.bind(this);
1.253 +#else
1.254 + // Schedule a fallback timeout in case the UI is unable to respond or show
1.255 + // a prompt for some reason.
1.256 + this._applyPromptTimer = this.createTimer(this.applyPromptTimeout);
1.257 +#endif
1.258 + },
1.259 +
1.260 + _copyProperties: ["appVersion", "buildID", "detailsURL", "displayVersion",
1.261 + "errorCode", "isOSUpdate", "platformVersion",
1.262 + "previousAppVersion", "state", "statusText"],
1.263 +
1.264 + sendUpdateEvent: function UP_sendUpdateEvent(aType, aUpdate) {
1.265 + let detail = {};
1.266 + for each (let property in this._copyProperties) {
1.267 + detail[property] = aUpdate[property];
1.268 + }
1.269 +
1.270 + let patch = aUpdate.selectedPatch;
1.271 + if (!patch && aUpdate.patchCount > 0) {
1.272 + // For now we just check the first patch to get size information if a
1.273 + // patch hasn't been selected yet.
1.274 + patch = aUpdate.getPatchAt(0);
1.275 + }
1.276 +
1.277 + if (patch) {
1.278 + detail.size = patch.size;
1.279 + detail.updateType = patch.type;
1.280 + } else {
1.281 + log("Warning: no patches available in update");
1.282 + }
1.283 +
1.284 + this._update = aUpdate;
1.285 + return this.sendChromeEvent(aType, detail);
1.286 + },
1.287 +
1.288 + sendChromeEvent: function UP_sendChromeEvent(aType, aDetail) {
1.289 + let detail = aDetail || {};
1.290 + detail.type = aType;
1.291 +
1.292 + let sent = SystemAppProxy.dispatchEvent(detail);
1.293 + if (!sent) {
1.294 + log("Warning: Couldn't send update event " + aType +
1.295 + ": no content browser. Will send again when content becomes available.");
1.296 + return false;
1.297 + }
1.298 + return true;
1.299 + },
1.300 +
1.301 + handleAvailableResult: function UP_handleAvailableResult(aDetail) {
1.302 + // If the user doesn't choose "download", the updater will implicitly call
1.303 + // showUpdateAvailable again after a certain period of time
1.304 + switch (aDetail.result) {
1.305 + case "download":
1.306 + this.downloadUpdate(this._update);
1.307 + break;
1.308 + }
1.309 + },
1.310 +
1.311 + handleApplyPromptResult: function UP_handleApplyPromptResult(aDetail) {
1.312 + if (this._applyPromptTimer) {
1.313 + this._applyPromptTimer.cancel();
1.314 + this._applyPromptTimer = null;
1.315 + }
1.316 +
1.317 + switch (aDetail.result) {
1.318 + case "wait":
1.319 + // Wait until the user is idle before prompting to apply the update
1.320 + this.waitForIdle();
1.321 + break;
1.322 + case "restart":
1.323 + this.finishUpdate();
1.324 + this._update = null;
1.325 + break;
1.326 + }
1.327 + },
1.328 +
1.329 + downloadUpdate: function UP_downloadUpdate(aUpdate) {
1.330 + if (!aUpdate) {
1.331 + aUpdate = Services.um.activeUpdate;
1.332 + if (!aUpdate) {
1.333 + log("No active update found to download");
1.334 + return;
1.335 + }
1.336 + }
1.337 +
1.338 + let status = Services.aus.downloadUpdate(aUpdate, true);
1.339 + if (status == STATE_DOWNLOADING) {
1.340 + Services.aus.addDownloadListener(this);
1.341 + return;
1.342 + }
1.343 +
1.344 + // If the update has already been downloaded and applied, then
1.345 + // Services.aus.downloadUpdate will return immediately and not
1.346 + // call showUpdateDownloaded, so we detect this.
1.347 + if (aUpdate.state == "applied" && aUpdate.errorCode == 0) {
1.348 + this.showUpdateDownloaded(aUpdate, true);
1.349 + return;
1.350 + }
1.351 +
1.352 + log("Error downloading update " + aUpdate.name + ": " + aUpdate.errorCode);
1.353 + let errorCode = aUpdate.errorCode >>> 0;
1.354 + if (errorCode == Cr.NS_ERROR_FILE_TOO_BIG) {
1.355 + aUpdate.statusText = "file-too-big";
1.356 + }
1.357 + this.showUpdateError(aUpdate);
1.358 + },
1.359 +
1.360 + handleDownloadCancel: function UP_handleDownloadCancel() {
1.361 + log("Pausing download");
1.362 + Services.aus.pauseDownload();
1.363 + },
1.364 +
1.365 + finishUpdate: function UP_finishUpdate() {
1.366 + if (!this._update.isOSUpdate) {
1.367 + // Standard gecko+gaia updates will just need to restart the process
1.368 + this.restartProcess();
1.369 + return;
1.370 + }
1.371 +
1.372 + try {
1.373 + Services.aus.applyOsUpdate(this._update);
1.374 + }
1.375 + catch (e) {
1.376 + this._update.errorCode = Cr.NS_ERROR_FAILURE;
1.377 + this.showUpdateError(this._update);
1.378 + }
1.379 + },
1.380 +
1.381 + restartProcess: function UP_restartProcess() {
1.382 + log("Update downloaded, restarting to apply it");
1.383 +
1.384 + let callbackAfterSet = function() {
1.385 +#ifndef MOZ_WIDGET_GONK
1.386 + let appStartup = Cc["@mozilla.org/toolkit/app-startup;1"]
1.387 + .getService(Ci.nsIAppStartup);
1.388 + appStartup.quit(appStartup.eForceQuit | appStartup.eRestart);
1.389 +#else
1.390 + // NB: on Gonk, we rely on the system process manager to restart us.
1.391 + let pmService = Cc["@mozilla.org/power/powermanagerservice;1"]
1.392 + .getService(Ci.nsIPowerManagerService);
1.393 + pmService.restart();
1.394 +#endif
1.395 + }
1.396 +
1.397 + if (useSettings()) {
1.398 + // Save current os version in deviceinfo.previous_os
1.399 + let lock = Services.settings.createLock({
1.400 + handle: callbackAfterSet,
1.401 + handleAbort: function(error) {
1.402 + log("Abort callback when trying to set previous_os: " + error);
1.403 + callbackAfterSet();
1.404 + }
1.405 + });
1.406 + lock.get("deviceinfo.os", {
1.407 + handle: function(name, value) {
1.408 + log("Set previous_os to: " + value);
1.409 + lock.set("deviceinfo.previous_os", value, null, null);
1.410 + }
1.411 + });
1.412 + }
1.413 + },
1.414 +
1.415 + forceUpdateCheck: function UP_forceUpdateCheck() {
1.416 + log("Forcing update check");
1.417 +
1.418 + let checker = Cc["@mozilla.org/updates/update-checker;1"]
1.419 + .createInstance(Ci.nsIUpdateChecker);
1.420 + checker.checkForUpdates(this._updateCheckListener, true);
1.421 + },
1.422 +
1.423 + handleEvent: function UP_handleEvent(evt) {
1.424 + if (evt.type !== "mozContentEvent") {
1.425 + return;
1.426 + }
1.427 +
1.428 + let detail = evt.detail;
1.429 + if (!detail) {
1.430 + return;
1.431 + }
1.432 +
1.433 + switch (detail.type) {
1.434 + case "force-update-check":
1.435 + this.forceUpdateCheck();
1.436 + break;
1.437 + case "update-available-result":
1.438 + this.handleAvailableResult(detail);
1.439 + // If we started the apply prompt timer, this means that we're waiting
1.440 + // for the user to press Later or Install Now. In this situation we
1.441 + // don't want to clear this._update, becuase handleApplyPromptResult
1.442 + // needs it.
1.443 + if (this._applyPromptTimer == null && !this._waitingForIdle) {
1.444 + this._update = null;
1.445 + }
1.446 + break;
1.447 + case "update-download-cancel":
1.448 + this.handleDownloadCancel();
1.449 + break;
1.450 + case "update-prompt-apply-result":
1.451 + this.handleApplyPromptResult(detail);
1.452 + break;
1.453 + }
1.454 + },
1.455 +
1.456 + // nsIObserver
1.457 +
1.458 + observe: function UP_observe(aSubject, aTopic, aData) {
1.459 + switch (aTopic) {
1.460 + case "idle":
1.461 + this._waitingForIdle = false;
1.462 + this.showApplyPrompt(this._update);
1.463 + // Fall through
1.464 + case "quit-application":
1.465 + Services.idle.removeIdleObserver(this, this.applyIdleTimeout / 1000);
1.466 + Services.obs.removeObserver(this, "quit-application");
1.467 + break;
1.468 + case "update-check-start":
1.469 + WebappsUpdater.updateApps();
1.470 + break;
1.471 + }
1.472 + },
1.473 +
1.474 + // nsITimerCallback
1.475 +
1.476 + notify: function UP_notify(aTimer) {
1.477 + if (aTimer == this._applyPromptTimer) {
1.478 + log("Timed out waiting for result, restarting");
1.479 + this._applyPromptTimer = null;
1.480 + this.finishUpdate();
1.481 + this._update = null;
1.482 + return;
1.483 + }
1.484 + if (aTimer == this._watchdogTimer) {
1.485 + log("Download watchdog fired");
1.486 + this._watchdogTimer = null;
1.487 + this._autoRestartDownload = true;
1.488 + Services.aus.pauseDownload();
1.489 + return;
1.490 + }
1.491 + },
1.492 +
1.493 + createTimer: function UP_createTimer(aTimeoutMs) {
1.494 + let timer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
1.495 + timer.initWithCallback(this, aTimeoutMs, timer.TYPE_ONE_SHOT);
1.496 + return timer;
1.497 + },
1.498 +
1.499 + // nsIRequestObserver
1.500 +
1.501 + _startedSent: false,
1.502 +
1.503 + _watchdogTimer: null,
1.504 +
1.505 + _autoRestartDownload: false,
1.506 + _autoRestartCount: 0,
1.507 +
1.508 + startWatchdogTimer: function UP_startWatchdogTimer() {
1.509 + let watchdogTimeout = 120000; // 120 seconds
1.510 + try {
1.511 + watchdogTimeout = Services.prefs.getIntPref(PREF_DOWNLOAD_WATCHDOG_TIMEOUT);
1.512 + } catch (e) {
1.513 + // This means that the preference doesn't exist. watchdogTimeout will
1.514 + // retain its default assigned above.
1.515 + }
1.516 + if (watchdogTimeout <= 0) {
1.517 + // 0 implies don't bother using the watchdog timer at all.
1.518 + this._watchdogTimer = null;
1.519 + return;
1.520 + }
1.521 + if (this._watchdogTimer) {
1.522 + this._watchdogTimer.cancel();
1.523 + } else {
1.524 + this._watchdogTimer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
1.525 + }
1.526 + this._watchdogTimer.initWithCallback(this, watchdogTimeout,
1.527 + Ci.nsITimer.TYPE_ONE_SHOT);
1.528 + },
1.529 +
1.530 + stopWatchdogTimer: function UP_stopWatchdogTimer() {
1.531 + if (this._watchdogTimer) {
1.532 + this._watchdogTimer.cancel();
1.533 + this._watchdogTimer = null;
1.534 + }
1.535 + },
1.536 +
1.537 + touchWatchdogTimer: function UP_touchWatchdogTimer() {
1.538 + this.startWatchdogTimer();
1.539 + },
1.540 +
1.541 + onStartRequest: function UP_onStartRequest(aRequest, aContext) {
1.542 + // Wait until onProgress to send the update-download-started event, in case
1.543 + // this request turns out to fail for some reason
1.544 + this._startedSent = false;
1.545 + this.startWatchdogTimer();
1.546 + },
1.547 +
1.548 + onStopRequest: function UP_onStopRequest(aRequest, aContext, aStatusCode) {
1.549 + this.stopWatchdogTimer();
1.550 + Services.aus.removeDownloadListener(this);
1.551 + let paused = !Components.isSuccessCode(aStatusCode);
1.552 + if (!paused) {
1.553 + // The download was successful, no need to restart
1.554 + this._autoRestartDownload = false;
1.555 + }
1.556 + if (this._autoRestartDownload) {
1.557 + this._autoRestartDownload = false;
1.558 + let watchdogMaxRetries = Services.prefs.getIntPref(PREF_DOWNLOAD_WATCHDOG_MAX_RETRIES);
1.559 + this._autoRestartCount++;
1.560 + if (this._autoRestartCount > watchdogMaxRetries) {
1.561 + log("Download - retry count exceeded - error");
1.562 + // We exceeded the max retries. Treat the download like an error,
1.563 + // which will give the user a chance to restart manually later.
1.564 + this._autoRestartCount = 0;
1.565 + if (Services.um.activeUpdate) {
1.566 + this.showUpdateError(Services.um.activeUpdate);
1.567 + }
1.568 + return;
1.569 + }
1.570 + log("Download - restarting download - attempt " + this._autoRestartCount);
1.571 + this.downloadUpdate(null);
1.572 + return;
1.573 + }
1.574 + this._autoRestartCount = 0;
1.575 + this.sendChromeEvent("update-download-stopped", {
1.576 + paused: paused
1.577 + });
1.578 + },
1.579 +
1.580 + // nsIProgressEventSink
1.581 +
1.582 + onProgress: function UP_onProgress(aRequest, aContext, aProgress,
1.583 + aProgressMax) {
1.584 + if (aProgress == aProgressMax) {
1.585 + // The update.mar validation done by onStopRequest may take
1.586 + // a while before the onStopRequest callback is made, so stop
1.587 + // the timer now.
1.588 + this.stopWatchdogTimer();
1.589 + } else {
1.590 + this.touchWatchdogTimer();
1.591 + }
1.592 + if (!this._startedSent) {
1.593 + this.sendChromeEvent("update-download-started", {
1.594 + total: aProgressMax
1.595 + });
1.596 + this._startedSent = true;
1.597 + }
1.598 +
1.599 + this.sendChromeEvent("update-download-progress", {
1.600 + progress: aProgress,
1.601 + total: aProgressMax
1.602 + });
1.603 + },
1.604 +
1.605 + onStatus: function UP_onStatus(aRequest, aUpdate, aStatus, aStatusArg) { }
1.606 +};
1.607 +
1.608 +this.NSGetFactory = XPCOMUtils.generateNSGetFactory([UpdatePrompt]);
