gecko-dev/toolkit/modules/ResetProfile.jsm

65 строки
2.2 KiB
JavaScript

/* 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/. */
"use strict";
this.EXPORTED_SYMBOLS = ["ResetProfile"];
const {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
Cu.import("resource://gre/modules/Services.jsm");
Cu.import("resource://gre/modules/AppConstants.jsm");
const MOZ_APP_NAME = AppConstants.MOZ_APP_NAME;
const MOZ_BUILD_APP = AppConstants.MOZ_BUILD_APP;
this.ResetProfile = {
/**
* Check if reset is supported for the currently running profile.
*
* @return boolean whether reset is supported.
*/
resetSupported() {
// Reset is only supported if the self-migrator used for reset exists.
let migrator = "@mozilla.org/profile/migrator;1?app=" + MOZ_BUILD_APP +
"&type=" + MOZ_APP_NAME;
if (!(migrator in Cc)) {
return false;
}
// We also need to be using a profile the profile manager knows about.
let profileService = Cc["@mozilla.org/toolkit/profile-service;1"].
getService(Ci.nsIToolkitProfileService);
let currentProfileDir = Services.dirsvc.get("ProfD", Ci.nsIFile);
let profileEnumerator = profileService.profiles;
while (profileEnumerator.hasMoreElements()) {
let profile = profileEnumerator.getNext().QueryInterface(Ci.nsIToolkitProfile);
if (profile.rootDir && profile.rootDir.equals(currentProfileDir)) {
return true;
}
}
return false;
},
/**
* Ask the user if they wish to restart the application to reset the profile.
*/
openConfirmationDialog(window) {
// Prompt the user to confirm.
let params = {
reset: false,
};
window.openDialog("chrome://global/content/resetProfile.xul", null,
"chrome,modal,centerscreen,titlebar,dialog=yes", params);
if (!params.reset)
return;
// Set the reset profile environment variable.
let env = Cc["@mozilla.org/process/environment;1"]
.getService(Ci.nsIEnvironment);
env.set("MOZ_RESET_PROFILE_RESTART", "1");
Services.startup.quit(Ci.nsIAppStartup.eForceQuit | Ci.nsIAppStartup.eRestart);
},
};