429 lines
14 KiB
JavaScript
429 lines
14 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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// Note: this file is included in aboutDialog.xul if MOZ_UPDATER is defined.
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Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
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Components.utils.import("resource://gre/modules/DownloadUtils.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "UpdateUtils",
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"resource://gre/modules/UpdateUtils.jsm");
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const PREF_APP_UPDATE_CANCELATIONS_OSX = "app.update.cancelations.osx";
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const PREF_APP_UPDATE_ELEVATE_NEVER = "app.update.elevate.never";
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var gAppUpdater;
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function onUnload(aEvent) {
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if (gAppUpdater.isChecking)
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gAppUpdater.checker.stopChecking(Components.interfaces.nsIUpdateChecker.CURRENT_CHECK);
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// Safe to call even when there isn't a download in progress.
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gAppUpdater.removeDownloadListener();
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gAppUpdater = null;
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}
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function appUpdater()
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{
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XPCOMUtils.defineLazyServiceGetter(this, "aus",
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"@mozilla.org/updates/update-service;1",
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"nsIApplicationUpdateService");
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XPCOMUtils.defineLazyServiceGetter(this, "checker",
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"@mozilla.org/updates/update-checker;1",
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"nsIUpdateChecker");
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XPCOMUtils.defineLazyServiceGetter(this, "um",
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"@mozilla.org/updates/update-manager;1",
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"nsIUpdateManager");
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this.updateDeck = document.getElementById("updateDeck");
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// Hide the update deck when the update window is already open and it's not
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// already applied, to avoid syncing issues between them. Applied updates
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// don't have any information to sync between the windows as they both just
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// show the "Restart to continue"-type button.
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if (Services.wm.getMostRecentWindow("Update:Wizard") &&
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!this.isApplied) {
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this.updateDeck.hidden = true;
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return;
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}
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this.bundle = Services.strings.
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createBundle("chrome://browser/locale/browser.properties");
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let manualURL = Services.urlFormatter.formatURLPref("app.update.url.manual");
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let manualLink = document.getElementById("manualLink");
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manualLink.value = manualURL;
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manualLink.href = manualURL;
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document.getElementById("failedLink").href = manualURL;
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if (this.updateDisabledAndLocked) {
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this.selectPanel("adminDisabled");
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return;
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}
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if (this.isPending || this.isApplied) {
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this.selectPanel("apply");
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return;
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}
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if (this.aus.isOtherInstanceHandlingUpdates) {
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this.selectPanel("otherInstanceHandlingUpdates");
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return;
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}
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if (this.isDownloading) {
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this.startDownload();
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// selectPanel("downloading") is called from setupDownloadingUI().
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return;
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}
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// Honor the "Never check for updates" option by not only disabling background
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// update checks, but also in the About dialog, by presenting a
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// "Check for updates" button.
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// If updates are found, the user is then asked if he wants to "Update to <version>".
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if (!this.updateEnabled ||
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Services.prefs.prefHasUserValue(PREF_APP_UPDATE_ELEVATE_NEVER)) {
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this.selectPanel("checkForUpdates");
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return;
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}
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// That leaves the options
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// "Check for updates, but let me choose whether to install them", and
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// "Automatically install updates".
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// In both cases, we check for updates without asking.
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// In the "let me choose" case, we ask before downloading though, in onCheckComplete.
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this.checkForUpdates();
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}
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appUpdater.prototype =
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{
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// true when there is an update check in progress.
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isChecking: false,
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// true when there is an update already staged / ready to be applied.
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get isPending() {
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if (this.update) {
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return this.update.state == "pending" ||
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this.update.state == "pending-service" ||
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this.update.state == "pending-elevate";
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}
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return this.um.activeUpdate &&
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(this.um.activeUpdate.state == "pending" ||
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this.um.activeUpdate.state == "pending-service" ||
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this.um.activeUpdate.state == "pending-elevate");
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},
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// true when there is an update already installed in the background.
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get isApplied() {
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if (this.update)
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return this.update.state == "applied" ||
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this.update.state == "applied-service";
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return this.um.activeUpdate &&
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(this.um.activeUpdate.state == "applied" ||
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this.um.activeUpdate.state == "applied-service");
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},
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// true when there is an update download in progress.
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get isDownloading() {
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if (this.update)
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return this.update.state == "downloading";
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return this.um.activeUpdate &&
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this.um.activeUpdate.state == "downloading";
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},
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// true when updating is disabled by an administrator.
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get updateDisabledAndLocked() {
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return !this.updateEnabled &&
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Services.prefs.prefIsLocked("app.update.enabled");
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},
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// true when updating is enabled.
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get updateEnabled() {
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try {
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return Services.prefs.getBoolPref("app.update.enabled");
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}
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catch (e) { }
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return true; // Firefox default is true
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},
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// true when updating in background is enabled.
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get backgroundUpdateEnabled() {
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return this.updateEnabled &&
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gAppUpdater.aus.canStageUpdates;
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},
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// true when updating is automatic.
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get updateAuto() {
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try {
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return Services.prefs.getBoolPref("app.update.auto");
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}
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catch (e) { }
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return true; // Firefox default is true
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},
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/**
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* Sets the panel of the updateDeck.
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*
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* @param aChildID
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* The id of the deck's child to select, e.g. "apply".
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*/
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selectPanel: function(aChildID) {
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let panel = document.getElementById(aChildID);
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let button = panel.querySelector("button");
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if (button) {
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if (aChildID == "downloadAndInstall") {
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let updateVersion = gAppUpdater.update.displayVersion;
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button.label = this.bundle.formatStringFromName("update.downloadAndInstallButton.label", [updateVersion], 1);
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button.accessKey = this.bundle.GetStringFromName("update.downloadAndInstallButton.accesskey");
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}
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this.updateDeck.selectedPanel = panel;
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if (!document.commandDispatcher.focusedElement || // don't steal the focus
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document.commandDispatcher.focusedElement.localName == "button") // except from the other buttons
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button.focus();
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} else {
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this.updateDeck.selectedPanel = panel;
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}
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},
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/**
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* Check for updates
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*/
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checkForUpdates: function() {
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// Clear prefs that could prevent a user from discovering available updates.
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if (Services.prefs.prefHasUserValue(PREF_APP_UPDATE_CANCELATIONS_OSX)) {
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Services.prefs.clearUserPref(PREF_APP_UPDATE_CANCELATIONS_OSX);
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}
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if (Services.prefs.prefHasUserValue(PREF_APP_UPDATE_ELEVATE_NEVER)) {
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Services.prefs.clearUserPref(PREF_APP_UPDATE_ELEVATE_NEVER);
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}
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this.selectPanel("checkingForUpdates");
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this.isChecking = true;
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this.checker.checkForUpdates(this.updateCheckListener, true);
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// after checking, onCheckComplete() is called
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},
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/**
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* Handles oncommand for the "Restart to Update" button
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* which is presented after the download has been downloaded.
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*/
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buttonRestartAfterDownload: function() {
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if (!this.isPending && !this.isApplied) {
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return;
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}
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gAppUpdater.selectPanel("restarting");
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// Notify all windows that an application quit has been requested.
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let cancelQuit = Components.classes["@mozilla.org/supports-PRBool;1"].
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createInstance(Components.interfaces.nsISupportsPRBool);
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Services.obs.notifyObservers(cancelQuit, "quit-application-requested", "restart");
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// Something aborted the quit process.
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if (cancelQuit.data) {
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gAppUpdater.selectPanel("apply");
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return;
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}
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let appStartup = Components.classes["@mozilla.org/toolkit/app-startup;1"].
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getService(Components.interfaces.nsIAppStartup);
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// If already in safe mode restart in safe mode (bug 327119)
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if (Services.appinfo.inSafeMode) {
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appStartup.restartInSafeMode(Components.interfaces.nsIAppStartup.eAttemptQuit);
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return;
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}
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appStartup.quit(Components.interfaces.nsIAppStartup.eAttemptQuit |
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Components.interfaces.nsIAppStartup.eRestart);
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},
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/**
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* Implements nsIUpdateCheckListener. The methods implemented by
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* nsIUpdateCheckListener are in a different scope from nsIIncrementalDownload
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* to make it clear which are used by each interface.
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*/
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updateCheckListener: {
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/**
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* See nsIUpdateService.idl
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*/
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onCheckComplete: function(aRequest, aUpdates, aUpdateCount) {
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gAppUpdater.isChecking = false;
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gAppUpdater.update = gAppUpdater.aus.
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selectUpdate(aUpdates, aUpdates.length);
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if (!gAppUpdater.update) {
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gAppUpdater.selectPanel("noUpdatesFound");
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return;
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}
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if (gAppUpdater.update.unsupported) {
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if (gAppUpdater.update.detailsURL) {
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let unsupportedLink = document.getElementById("unsupportedLink");
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unsupportedLink.href = gAppUpdater.update.detailsURL;
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}
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gAppUpdater.selectPanel("unsupportedSystem");
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return;
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}
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if (!gAppUpdater.aus.canApplyUpdates) {
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gAppUpdater.selectPanel("manualUpdate");
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return;
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}
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if (gAppUpdater.updateAuto) // automatically download and install
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gAppUpdater.startDownload();
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else // ask
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gAppUpdater.selectPanel("downloadAndInstall");
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},
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/**
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* See nsIUpdateService.idl
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*/
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onError: function(aRequest, aUpdate) {
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// Errors in the update check are treated as no updates found. If the
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// update check fails repeatedly without a success the user will be
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// notified with the normal app update user interface so this is safe.
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gAppUpdater.isChecking = false;
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gAppUpdater.selectPanel("noUpdatesFound");
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},
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/**
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* See nsISupports.idl
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*/
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QueryInterface: function(aIID) {
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if (!aIID.equals(Components.interfaces.nsIUpdateCheckListener) &&
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!aIID.equals(Components.interfaces.nsISupports))
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throw Components.results.NS_ERROR_NO_INTERFACE;
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return this;
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}
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},
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/**
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* Starts the download of an update mar.
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*/
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startDownload: function() {
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if (!this.update)
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this.update = this.um.activeUpdate;
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this.update.QueryInterface(Components.interfaces.nsIWritablePropertyBag);
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this.update.setProperty("foregroundDownload", "true");
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this.aus.pauseDownload();
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let state = this.aus.downloadUpdate(this.update, false);
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if (state == "failed") {
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this.selectPanel("downloadFailed");
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return;
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}
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this.setupDownloadingUI();
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},
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/**
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* Switches to the UI responsible for tracking the download.
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*/
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setupDownloadingUI: function() {
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this.downloadStatus = document.getElementById("downloadStatus");
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this.downloadStatus.value =
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DownloadUtils.getTransferTotal(0, this.update.selectedPatch.size);
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this.selectPanel("downloading");
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this.aus.addDownloadListener(this);
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},
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removeDownloadListener: function() {
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if (this.aus) {
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this.aus.removeDownloadListener(this);
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}
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},
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/**
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* See nsIRequestObserver.idl
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*/
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onStartRequest: function(aRequest, aContext) {
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},
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/**
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* See nsIRequestObserver.idl
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*/
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onStopRequest: function(aRequest, aContext, aStatusCode) {
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switch (aStatusCode) {
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case Components.results.NS_ERROR_UNEXPECTED:
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if (this.update.selectedPatch.state == "download-failed" &&
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(this.update.isCompleteUpdate || this.update.patchCount != 2)) {
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// Verification error of complete patch, informational text is held in
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// the update object.
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this.removeDownloadListener();
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this.selectPanel("downloadFailed");
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break;
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}
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// Verification failed for a partial patch, complete patch is now
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// downloading so return early and do NOT remove the download listener!
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break;
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case Components.results.NS_BINDING_ABORTED:
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// Do not remove UI listener since the user may resume downloading again.
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break;
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case Components.results.NS_OK:
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this.removeDownloadListener();
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if (this.backgroundUpdateEnabled) {
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this.selectPanel("applying");
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let self = this;
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Services.obs.addObserver(function (aSubject, aTopic, aData) {
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// Update the UI when the background updater is finished
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let status = aData;
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if (status == "applied" || status == "applied-service" ||
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status == "pending" || status == "pending-service" ||
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status == "pending-elevate") {
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// If the update is successfully applied, or if the updater has
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// fallen back to non-staged updates, show the "Restart to Update"
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// button.
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self.selectPanel("apply");
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} else if (status == "failed") {
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// Background update has failed, let's show the UI responsible for
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// prompting the user to update manually.
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self.selectPanel("downloadFailed");
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} else if (status == "downloading") {
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// We've fallen back to downloading the full update because the
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// partial update failed to get staged in the background.
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// Therefore we need to keep our observer.
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self.setupDownloadingUI();
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return;
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}
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Services.obs.removeObserver(arguments.callee, "update-staged");
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}, "update-staged", false);
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} else {
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this.selectPanel("apply");
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}
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break;
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default:
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this.removeDownloadListener();
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this.selectPanel("downloadFailed");
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break;
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}
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},
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/**
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* See nsIProgressEventSink.idl
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*/
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onStatus: function(aRequest, aContext, aStatus, aStatusArg) {
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},
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/**
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* See nsIProgressEventSink.idl
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*/
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onProgress: function(aRequest, aContext, aProgress, aProgressMax) {
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this.downloadStatus.value =
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DownloadUtils.getTransferTotal(aProgress, aProgressMax);
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},
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/**
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* See nsISupports.idl
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*/
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QueryInterface: function(aIID) {
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if (!aIID.equals(Components.interfaces.nsIProgressEventSink) &&
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!aIID.equals(Components.interfaces.nsIRequestObserver) &&
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!aIID.equals(Components.interfaces.nsISupports))
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throw Components.results.NS_ERROR_NO_INTERFACE;
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return this;
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}
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};
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