gecko-dev/b2g/components/UpdatePrompt.js

575 lines
18 KiB
JavaScript

/* -*- Mode: Java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 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/WebappsUpdater.jsm");
const VERBOSE = 1;
let 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");
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");
return;
}
let update = Services.aus.selectUpdate(updates, updateCount);
if (!update) {
this._updatePrompt.setUpdateStatus("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;
if (errorCode == NETWORK_ERROR_OFFLINE) {
this._updatePrompt.setUpdateStatus("retry-when-online");
} else if (isNSError) {
this._updatePrompt.setUpdateStatus("check-error-" + errorCode);
} else if (errorCode > HTTP_ERROR_OFFSET) {
let httpErrorCode = errorCode - HTTP_ERROR_OFFSET;
this._updatePrompt.setUpdateStatus("check-error-http-" + httpErrorCode);
}
Services.aus.QueryInterface(Ci.nsIUpdateCheckListener);
Services.aus.onError(request, update);
}
};
function UpdatePrompt() {
this.wrappedJSObject = this;
this._updateCheckListener = new UpdateCheckListener(this);
Services.obs.addObserver(this, "update-check-start", false);
}
UpdatePrompt.prototype = {
classID: Components.ID("{88b3eb21-d072-4e3b-886d-f89d8c49fe59}"),
QueryInterface: XPCOMUtils.generateQI([Ci.nsIUpdatePrompt,
Ci.nsIUpdateCheckListener,
Ci.nsIRequestObserver,
Ci.nsIProgressEventSink,
Ci.nsIObserver]),
_xpcom_factory: XPCOMUtils.generateSingletonFactory(UpdatePrompt),
_update: null,
_applyPromptTimer: null,
_waitingForIdle: false,
_updateCheckListner: null,
_pendingEvents: [],
get applyPromptTimeout() {
return Services.prefs.getIntPref(PREF_APPLY_PROMPT_TIMEOUT);
},
get applyIdleTimeout() {
return Services.prefs.getIntPref(PREF_APPLY_IDLE_TIMEOUT);
},
handleContentStart: function UP_handleContentStart(shell) {
let content = shell.contentBrowser.contentWindow;
content.addEventListener("mozContentEvent", this);
for (let i = 0; i < this._pendingEvents.length; i++) {
shell.sendChromeEvent(this._pendingEvents[i]);
}
this._pendingEvents.length = 0;
},
// 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) {
if (!this.sendUpdateEvent("update-available", aUpdate)) {
log("Unable to prompt for available update, forcing download");
this.downloadUpdate(aUpdate);
}
},
showUpdateDownloaded: function UP_showUpdateDownloaded(aUpdate, aBackground) {
// 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();
},
showUpdateError: function UP_showUpdateError(aUpdate) {
log("Update error, state: " + aUpdate.state + ", errorCode: " +
aUpdate.errorCode);
this.sendUpdateEvent("update-error", aUpdate);
this.setUpdateStatus(aUpdate.statusText);
},
showUpdateHistory: function UP_showUpdateHistory(aParent) { },
showUpdateInstalled: function UP_showUpdateInstalled() {
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) {
log("Setting gecko.updateStatus: " + aStatus);
let lock = Services.settings.createLock();
lock.set("gecko.updateStatus", aStatus, null);
},
showApplyPrompt: function UP_showApplyPrompt(aUpdate) {
if (!this.sendUpdateEvent("update-prompt-apply", aUpdate)) {
log("Unable to prompt, forcing restart");
this.restartProcess();
return;
}
#ifdef 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);
#endif
},
_copyProperties: ["appVersion", "buildID", "detailsURL", "displayVersion",
"errorCode", "isOSUpdate", "platformVersion",
"previousAppVersion", "state", "statusText"],
sendUpdateEvent: function UP_sendUpdateEvent(aType, aUpdate) {
let detail = {};
for each (let property in 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 browser = Services.wm.getMostRecentWindow("navigator:browser");
if (!browser) {
this._pendingEvents.push(detail);
log("Warning: Couldn't send update event " + aType +
": no content browser. Will send again when content becomes available.");
return false;
}
browser.shell.sendChromeEvent(detail);
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) {
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");
#ifndef MOZ_WIDGET_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();
#endif
},
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;
}
},
// 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;
case "update-check-start":
WebappsUpdater.updateApps();
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 (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]);