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-rw-r--r--toolkit/mozapps/extensions/content/update.js663
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diff --git a/toolkit/mozapps/extensions/content/update.js b/toolkit/mozapps/extensions/content/update.js
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+// -*- indent-tabs-mode: nil; js-indent-level: 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/. */
+
+// This UI is only opened from the Extension Manager when the app is upgraded.
+
+"use strict";
+
+const PREF_UPDATE_EXTENSIONS_ENABLED = "extensions.update.enabled";
+const PREF_XPINSTALL_ENABLED = "xpinstall.enabled";
+
+// timeout (in milliseconds) to wait for response to the metadata ping
+const METADATA_TIMEOUT = 30000;
+
+Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "AddonManager", "resource://gre/modules/AddonManager.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "AddonManagerPrivate", "resource://gre/modules/AddonManager.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "Services", "resource://gre/modules/Services.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "AddonRepository", "resource://gre/modules/addons/AddonRepository.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "Task", "resource://gre/modules/Task.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "Promise", "resource://gre/modules/Promise.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "Log", "resource://gre/modules/Log.jsm");
+var logger = null;
+
+var gUpdateWizard = {
+ // When synchronizing app compatibility info this contains all installed
+ // add-ons. When checking for compatible versions this contains only
+ // incompatible add-ons.
+ addons: [],
+ // Contains a Set of IDs for add-on that were disabled by the application update.
+ affectedAddonIDs: null,
+ // The add-ons that we found updates available for
+ addonsToUpdate: [],
+ shouldSuggestAutoChecking: false,
+ shouldAutoCheck: false,
+ xpinstallEnabled: true,
+ xpinstallLocked: false,
+ // cached AddonInstall entries for add-ons we might want to update,
+ // keyed by add-on ID
+ addonInstalls: new Map(),
+ shuttingDown: false,
+ // Count the add-ons disabled by this update, enabled/disabled by
+ // metadata checks, and upgraded.
+ disabled: 0,
+ metadataEnabled: 0,
+ metadataDisabled: 0,
+ upgraded: 0,
+ upgradeFailed: 0,
+ upgradeDeclined: 0,
+
+ init: function()
+ {
+ logger = Log.repository.getLogger("addons.update-dialog");
+ // XXX could we pass the addons themselves rather than the IDs?
+ this.affectedAddonIDs = new Set(window.arguments[0]);
+
+ try {
+ this.shouldSuggestAutoChecking =
+ !Services.prefs.getBoolPref(PREF_UPDATE_EXTENSIONS_ENABLED);
+ }
+ catch (e) {
+ }
+
+ try {
+ this.xpinstallEnabled = Services.prefs.getBoolPref(PREF_XPINSTALL_ENABLED);
+ this.xpinstallLocked = Services.prefs.prefIsLocked(PREF_XPINSTALL_ENABLED);
+ }
+ catch (e) {
+ }
+
+ if (Services.io.offline)
+ document.documentElement.currentPage = document.getElementById("offline");
+ else
+ document.documentElement.currentPage = document.getElementById("versioninfo");
+ },
+
+ onWizardFinish: function gUpdateWizard_onWizardFinish ()
+ {
+ if (this.shouldSuggestAutoChecking)
+ Services.prefs.setBoolPref(PREF_UPDATE_EXTENSIONS_ENABLED, this.shouldAutoCheck);
+ },
+
+ _setUpButton: function(aButtonID, aButtonKey, aDisabled)
+ {
+ var strings = document.getElementById("updateStrings");
+ var button = document.documentElement.getButton(aButtonID);
+ if (aButtonKey) {
+ button.label = strings.getString(aButtonKey);
+ try {
+ button.setAttribute("accesskey", strings.getString(aButtonKey + "Accesskey"));
+ }
+ catch (e) {
+ }
+ }
+ button.disabled = aDisabled;
+ },
+
+ setButtonLabels: function(aBackButton, aBackButtonIsDisabled,
+ aNextButton, aNextButtonIsDisabled,
+ aCancelButton, aCancelButtonIsDisabled)
+ {
+ this._setUpButton("back", aBackButton, aBackButtonIsDisabled);
+ this._setUpButton("next", aNextButton, aNextButtonIsDisabled);
+ this._setUpButton("cancel", aCancelButton, aCancelButtonIsDisabled);
+ },
+
+ // Update Errors
+ errorItems: [],
+
+ checkForErrors: function(aElementIDToShow)
+ {
+ if (this.errorItems.length > 0)
+ document.getElementById(aElementIDToShow).hidden = false;
+ },
+
+ onWizardClose: function(aEvent)
+ {
+ return this.onWizardCancel();
+ },
+
+ onWizardCancel: function()
+ {
+ gUpdateWizard.shuttingDown = true;
+ // Allow add-ons to continue downloading and installing
+ // in the background, though some may require a later restart
+ // Pages that are waiting for user input go into the background
+ // on cancel
+ if (gMismatchPage.waiting) {
+ logger.info("Dialog closed in mismatch page");
+ if (gUpdateWizard.addonInstalls.size > 0) {
+ gInstallingPage.startInstalls(
+ Array.from(gUpdateWizard.addonInstalls.values()));
+ }
+ return true;
+ }
+
+ // Pages that do asynchronous things will just keep running and check
+ // gUpdateWizard.shuttingDown to trigger background behaviour
+ if (!gInstallingPage.installing) {
+ logger.info("Dialog closed while waiting for updated compatibility information");
+ }
+ else {
+ logger.info("Dialog closed while downloading and installing updates");
+ }
+ return true;
+ }
+};
+
+var gOfflinePage = {
+ onPageAdvanced: function()
+ {
+ Services.io.offline = false;
+ return true;
+ },
+
+ toggleOffline: function()
+ {
+ var nextbtn = document.documentElement.getButton("next");
+ nextbtn.disabled = !nextbtn.disabled;
+ }
+}
+
+// Addon listener to count addons enabled/disabled by metadata checks
+var listener = {
+ onDisabled: function(aAddon) {
+ gUpdateWizard.affectedAddonIDs.add(aAddon.id);
+ gUpdateWizard.metadataDisabled++;
+ },
+ onEnabled: function(aAddon) {
+ gUpdateWizard.affectedAddonIDs.delete(aAddon.id);
+ gUpdateWizard.metadataEnabled++;
+ }
+};
+
+var gVersionInfoPage = {
+ _completeCount: 0,
+ _totalCount: 0,
+ _versionInfoDone: false,
+ onPageShow: Task.async(function*() {
+ gUpdateWizard.setButtonLabels(null, true,
+ "nextButtonText", true,
+ "cancelButtonText", false);
+
+ gUpdateWizard.disabled = gUpdateWizard.affectedAddonIDs.size;
+
+ // Ensure compatibility overrides are up to date before checking for
+ // individual addon updates.
+ AddonManager.addAddonListener(listener);
+ if (AddonRepository.isMetadataStale()) {
+ // Do the metadata ping, listening for any newly enabled/disabled add-ons.
+ yield AddonRepository.repopulateCache(METADATA_TIMEOUT);
+ if (gUpdateWizard.shuttingDown) {
+ logger.debug("repopulateCache completed after dialog closed");
+ }
+ }
+ // Fetch the add-ons that are still affected by this update,
+ // excluding the hotfix add-on.
+ let idlist = Array.from(gUpdateWizard.affectedAddonIDs).filter(
+ a => a.id != AddonManager.hotfixID);
+ if (idlist.length < 1) {
+ gVersionInfoPage.onAllUpdatesFinished();
+ return;
+ }
+
+ logger.debug("Fetching affected addons " + idlist.toSource());
+ let fetchedAddons = yield new Promise((resolve, reject) =>
+ AddonManager.getAddonsByIDs(idlist, resolve));
+ // We shouldn't get nulls here, but let's be paranoid...
+ gUpdateWizard.addons = fetchedAddons.filter(a => a);
+ if (gUpdateWizard.addons.length < 1) {
+ gVersionInfoPage.onAllUpdatesFinished();
+ return;
+ }
+
+ gVersionInfoPage._totalCount = gUpdateWizard.addons.length;
+
+ for (let addon of gUpdateWizard.addons) {
+ logger.debug("VersionInfo Finding updates for ${id}", addon);
+ addon.findUpdates(gVersionInfoPage, AddonManager.UPDATE_WHEN_NEW_APP_INSTALLED);
+ }
+ }),
+
+ onAllUpdatesFinished: function() {
+ AddonManager.removeAddonListener(listener);
+ AddonManagerPrivate.recordSimpleMeasure("appUpdate_disabled",
+ gUpdateWizard.disabled);
+ AddonManagerPrivate.recordSimpleMeasure("appUpdate_metadata_enabled",
+ gUpdateWizard.metadataEnabled);
+ AddonManagerPrivate.recordSimpleMeasure("appUpdate_metadata_disabled",
+ gUpdateWizard.metadataDisabled);
+ // Record 0 for these here in case we exit early; values will be replaced
+ // later if we actually upgrade any.
+ AddonManagerPrivate.recordSimpleMeasure("appUpdate_upgraded", 0);
+ AddonManagerPrivate.recordSimpleMeasure("appUpdate_upgradeFailed", 0);
+ AddonManagerPrivate.recordSimpleMeasure("appUpdate_upgradeDeclined", 0);
+ // Filter out any add-ons that are now enabled.
+ let addonList = gUpdateWizard.addons.map(a => a.id + ":" + a.appDisabled);
+ logger.debug("VersionInfo updates finished: found " + addonList.toSource());
+ let filteredAddons = [];
+ for (let a of gUpdateWizard.addons) {
+ if (a.appDisabled) {
+ logger.debug("Continuing with add-on " + a.id);
+ filteredAddons.push(a);
+ }
+ else if (gUpdateWizard.addonInstalls.has(a.id)) {
+ gUpdateWizard.addonInstalls.get(a.id).cancel();
+ gUpdateWizard.addonInstalls.delete(a.id);
+ }
+ }
+ gUpdateWizard.addons = filteredAddons;
+
+ if (gUpdateWizard.shuttingDown) {
+ // jump directly to updating auto-update add-ons in the background
+ if (gUpdateWizard.addonInstalls.size > 0) {
+ let installs = Array.from(gUpdateWizard.addonInstalls.values());
+ gInstallingPage.startInstalls(installs);
+ }
+ return;
+ }
+
+ if (filteredAddons.length > 0) {
+ if (!gUpdateWizard.xpinstallEnabled && gUpdateWizard.xpinstallLocked) {
+ document.documentElement.currentPage = document.getElementById("adminDisabled");
+ return;
+ }
+ document.documentElement.currentPage = document.getElementById("mismatch");
+ }
+ else {
+ logger.info("VersionInfo: No updates require further action");
+ // VersionInfo compatibility updates resolved all compatibility problems,
+ // close this window and continue starting the application...
+ // XXX Bug 314754 - We need to use setTimeout to close the window due to
+ // the EM using xmlHttpRequest when checking for updates.
+ setTimeout(close, 0);
+ }
+ },
+
+ // UpdateListener
+ onUpdateFinished: function(aAddon, status) {
+ ++this._completeCount;
+
+ if (status != AddonManager.UPDATE_STATUS_NO_ERROR) {
+ logger.debug("VersionInfo update " + this._completeCount + " of " + this._totalCount +
+ " failed for " + aAddon.id + ": " + status);
+ gUpdateWizard.errorItems.push(aAddon);
+ }
+ else {
+ logger.debug("VersionInfo update " + this._completeCount + " of " + this._totalCount +
+ " finished for " + aAddon.id);
+ }
+
+ // If we're not in the background, just make a list of add-ons that have
+ // updates available
+ if (!gUpdateWizard.shuttingDown) {
+ // If we're still in the update check window and the add-on is now active
+ // then it won't have been disabled by startup
+ if (aAddon.active) {
+ AddonManagerPrivate.removeStartupChange(AddonManager.STARTUP_CHANGE_DISABLED, aAddon.id);
+ gUpdateWizard.metadataEnabled++;
+ }
+
+ // Update the status text and progress bar
+ var updateStrings = document.getElementById("updateStrings");
+ var statusElt = document.getElementById("versioninfo.status");
+ var statusString = updateStrings.getFormattedString("statusPrefix", [aAddon.name]);
+ statusElt.setAttribute("value", statusString);
+
+ // Update the status text and progress bar
+ var progress = document.getElementById("versioninfo.progress");
+ progress.mode = "normal";
+ progress.value = Math.ceil((this._completeCount / this._totalCount) * 100);
+ }
+
+ if (this._completeCount == this._totalCount)
+ this.onAllUpdatesFinished();
+ },
+
+ onUpdateAvailable: function(aAddon, aInstall) {
+ logger.debug("VersionInfo got an install for " + aAddon.id + ": " + aAddon.version);
+ gUpdateWizard.addonInstalls.set(aAddon.id, aInstall);
+ },
+};
+
+var gMismatchPage = {
+ waiting: false,
+
+ onPageShow: function()
+ {
+ gMismatchPage.waiting = true;
+ gUpdateWizard.setButtonLabels(null, true,
+ "mismatchCheckNow", false,
+ "mismatchDontCheck", false);
+ document.documentElement.getButton("next").focus();
+
+ var incompatible = document.getElementById("mismatch.incompatible");
+ for (let addon of gUpdateWizard.addons) {
+ var listitem = document.createElement("listitem");
+ listitem.setAttribute("label", addon.name + " " + addon.version);
+ incompatible.appendChild(listitem);
+ }
+ }
+};
+
+var gUpdatePage = {
+ _totalCount: 0,
+ _completeCount: 0,
+ onPageShow: function()
+ {
+ gMismatchPage.waiting = false;
+ gUpdateWizard.setButtonLabels(null, true,
+ "nextButtonText", true,
+ "cancelButtonText", false);
+ document.documentElement.getButton("next").focus();
+
+ gUpdateWizard.errorItems = [];
+
+ this._totalCount = gUpdateWizard.addons.length;
+ for (let addon of gUpdateWizard.addons) {
+ logger.debug("UpdatePage requesting update for " + addon.id);
+ // Redundant call to find updates again here when we already got them
+ // in the VersionInfo page: https://bugzilla.mozilla.org/show_bug.cgi?id=960597
+ addon.findUpdates(this, AddonManager.UPDATE_WHEN_NEW_APP_INSTALLED);
+ }
+ },
+
+ onAllUpdatesFinished: function() {
+ if (gUpdateWizard.shuttingDown)
+ return;
+
+ var nextPage = document.getElementById("noupdates");
+ if (gUpdateWizard.addonsToUpdate.length > 0)
+ nextPage = document.getElementById("found");
+ document.documentElement.currentPage = nextPage;
+ },
+
+ // UpdateListener
+ onUpdateAvailable: function(aAddon, aInstall) {
+ logger.debug("UpdatePage got an update for " + aAddon.id + ": " + aAddon.version);
+ gUpdateWizard.addonsToUpdate.push(aInstall);
+ },
+
+ onUpdateFinished: function(aAddon, status) {
+ if (status != AddonManager.UPDATE_STATUS_NO_ERROR)
+ gUpdateWizard.errorItems.push(aAddon);
+
+ ++this._completeCount;
+
+ if (!gUpdateWizard.shuttingDown) {
+ // Update the status text and progress bar
+ var updateStrings = document.getElementById("updateStrings");
+ var statusElt = document.getElementById("checking.status");
+ var statusString = updateStrings.getFormattedString("statusPrefix", [aAddon.name]);
+ statusElt.setAttribute("value", statusString);
+
+ var progress = document.getElementById("checking.progress");
+ progress.value = Math.ceil((this._completeCount / this._totalCount) * 100);
+ }
+
+ if (this._completeCount == this._totalCount)
+ this.onAllUpdatesFinished()
+ },
+};
+
+var gFoundPage = {
+ onPageShow: function()
+ {
+ gUpdateWizard.setButtonLabels(null, true,
+ "installButtonText", false,
+ null, false);
+
+ var foundUpdates = document.getElementById("found.updates");
+ var itemCount = gUpdateWizard.addonsToUpdate.length;
+ for (let install of gUpdateWizard.addonsToUpdate) {
+ let listItem = foundUpdates.appendItem(install.name + " " + install.version);
+ listItem.setAttribute("type", "checkbox");
+ listItem.setAttribute("checked", "true");
+ listItem.install = install;
+ }
+
+ if (!gUpdateWizard.xpinstallEnabled) {
+ document.getElementById("xpinstallDisabledAlert").hidden = false;
+ document.getElementById("enableXPInstall").focus();
+ document.documentElement.getButton("next").disabled = true;
+ }
+ else {
+ document.documentElement.getButton("next").focus();
+ document.documentElement.getButton("next").disabled = false;
+ }
+ },
+
+ toggleXPInstallEnable: function(aEvent)
+ {
+ var enabled = aEvent.target.checked;
+ gUpdateWizard.xpinstallEnabled = enabled;
+ var pref = Components.classes["@mozilla.org/preferences-service;1"]
+ .getService(Components.interfaces.nsIPrefBranch);
+ pref.setBoolPref(PREF_XPINSTALL_ENABLED, enabled);
+ this.updateNextButton();
+ },
+
+ updateNextButton: function()
+ {
+ if (!gUpdateWizard.xpinstallEnabled) {
+ document.documentElement.getButton("next").disabled = true;
+ return;
+ }
+
+ var oneChecked = false;
+ var foundUpdates = document.getElementById("found.updates");
+ var updates = foundUpdates.getElementsByTagName("listitem");
+ for (let update of updates) {
+ if (!update.checked)
+ continue;
+ oneChecked = true;
+ break;
+ }
+
+ gUpdateWizard.setButtonLabels(null, true,
+ "installButtonText", true,
+ null, false);
+ document.getElementById("found").setAttribute("next", "installing");
+ document.documentElement.getButton("next").disabled = !oneChecked;
+ }
+};
+
+var gInstallingPage = {
+ _installs : [],
+ _errors : [],
+ _strings : null,
+ _currentInstall : -1,
+ _installing : false,
+
+ // Initialize fields we need for installing and tracking progress,
+ // and start iterating through the installations
+ startInstalls: function(aInstallList) {
+ if (!gUpdateWizard.xpinstallEnabled) {
+ return;
+ }
+
+ let installs = Array.from(aInstallList).map(a => a.existingAddon.id);
+ logger.debug("Start installs for " + installs.toSource());
+ this._errors = [];
+ this._installs = aInstallList;
+ this._installing = true;
+ this.startNextInstall();
+ },
+
+ onPageShow: function()
+ {
+ gUpdateWizard.setButtonLabels(null, true,
+ "nextButtonText", true,
+ null, true);
+
+ var foundUpdates = document.getElementById("found.updates");
+ var updates = foundUpdates.getElementsByTagName("listitem");
+ let toInstall = [];
+ for (let update of updates) {
+ if (!update.checked) {
+ logger.info("User chose to cancel update of " + update.label);
+ gUpdateWizard.upgradeDeclined++;
+ update.install.cancel();
+ continue;
+ }
+ toInstall.push(update.install);
+ }
+ this._strings = document.getElementById("updateStrings");
+
+ this.startInstalls(toInstall);
+ },
+
+ startNextInstall: function() {
+ if (this._currentInstall >= 0) {
+ this._installs[this._currentInstall].removeListener(this);
+ }
+
+ this._currentInstall++;
+
+ if (this._installs.length == this._currentInstall) {
+ Services.obs.notifyObservers(null, "TEST:all-updates-done", null);
+ AddonManagerPrivate.recordSimpleMeasure("appUpdate_upgraded",
+ gUpdateWizard.upgraded);
+ AddonManagerPrivate.recordSimpleMeasure("appUpdate_upgradeFailed",
+ gUpdateWizard.upgradeFailed);
+ AddonManagerPrivate.recordSimpleMeasure("appUpdate_upgradeDeclined",
+ gUpdateWizard.upgradeDeclined);
+ this._installing = false;
+ if (gUpdateWizard.shuttingDown) {
+ return;
+ }
+ var nextPage = this._errors.length > 0 ? "installerrors" : "finished";
+ document.getElementById("installing").setAttribute("next", nextPage);
+ document.documentElement.advance();
+ return;
+ }
+
+ let install = this._installs[this._currentInstall];
+
+ if (gUpdateWizard.shuttingDown && !AddonManager.shouldAutoUpdate(install.existingAddon)) {
+ logger.debug("Don't update " + install.existingAddon.id + " in background");
+ gUpdateWizard.upgradeDeclined++;
+ install.cancel();
+ this.startNextInstall();
+ return;
+ }
+ install.addListener(this);
+ install.install();
+ },
+
+ // InstallListener
+ onDownloadStarted: function(aInstall) {
+ if (gUpdateWizard.shuttingDown) {
+ return;
+ }
+ var strings = document.getElementById("updateStrings");
+ var label = strings.getFormattedString("downloadingPrefix", [aInstall.name]);
+ var actionItem = document.getElementById("actionItem");
+ actionItem.value = label;
+ },
+
+ onDownloadProgress: function(aInstall) {
+ if (gUpdateWizard.shuttingDown) {
+ return;
+ }
+ var downloadProgress = document.getElementById("downloadProgress");
+ downloadProgress.value = Math.ceil(100 * aInstall.progress / aInstall.maxProgress);
+ },
+
+ onDownloadEnded: function(aInstall) {
+ },
+
+ onDownloadFailed: function(aInstall) {
+ this._errors.push(aInstall);
+
+ gUpdateWizard.upgradeFailed++;
+ this.startNextInstall();
+ },
+
+ onInstallStarted: function(aInstall) {
+ if (gUpdateWizard.shuttingDown) {
+ return;
+ }
+ var strings = document.getElementById("updateStrings");
+ var label = strings.getFormattedString("installingPrefix", [aInstall.name]);
+ var actionItem = document.getElementById("actionItem");
+ actionItem.value = label;
+ },
+
+ onInstallEnded: function(aInstall, aAddon) {
+ if (!gUpdateWizard.shuttingDown) {
+ // Remember that this add-on was updated during startup
+ AddonManagerPrivate.addStartupChange(AddonManager.STARTUP_CHANGE_CHANGED,
+ aAddon.id);
+ }
+
+ gUpdateWizard.upgraded++;
+ this.startNextInstall();
+ },
+
+ onInstallFailed: function(aInstall) {
+ this._errors.push(aInstall);
+
+ gUpdateWizard.upgradeFailed++;
+ this.startNextInstall();
+ }
+};
+
+var gInstallErrorsPage = {
+ onPageShow: function()
+ {
+ gUpdateWizard.setButtonLabels(null, true, null, true, null, true);
+ document.documentElement.getButton("finish").focus();
+ },
+};
+
+// Displayed when there are incompatible add-ons and the xpinstall.enabled
+// pref is false and locked.
+var gAdminDisabledPage = {
+ onPageShow: function()
+ {
+ gUpdateWizard.setButtonLabels(null, true, null, true,
+ "cancelButtonText", true);
+ document.documentElement.getButton("finish").focus();
+ }
+};
+
+// Displayed when selected add-on updates have been installed without error.
+// There can still be add-ons that are not compatible and don't have an update.
+var gFinishedPage = {
+ onPageShow: function()
+ {
+ gUpdateWizard.setButtonLabels(null, true, null, true, null, true);
+ document.documentElement.getButton("finish").focus();
+
+ if (gUpdateWizard.shouldSuggestAutoChecking) {
+ document.getElementById("finishedCheckDisabled").hidden = false;
+ gUpdateWizard.shouldAutoCheck = true;
+ }
+ else
+ document.getElementById("finishedCheckEnabled").hidden = false;
+
+ document.documentElement.getButton("finish").focus();
+ }
+};
+
+// Displayed when there are incompatible add-ons and there are no available
+// updates.
+var gNoUpdatesPage = {
+ onPageShow: function(aEvent)
+ {
+ gUpdateWizard.setButtonLabels(null, true, null, true, null, true);
+ if (gUpdateWizard.shouldSuggestAutoChecking) {
+ document.getElementById("noupdatesCheckDisabled").hidden = false;
+ gUpdateWizard.shouldAutoCheck = true;
+ }
+ else
+ document.getElementById("noupdatesCheckEnabled").hidden = false;
+
+ gUpdateWizard.checkForErrors("updateCheckErrorNotFound");
+ document.documentElement.getButton("finish").focus();
+ }
+};