b2g/components/RecoveryService.js

   1 /* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
   5  * You can obtain one at http://mozilla.org/MPL/2.0/. */
   6 "use strict";
   7
   8 const {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
   9
  10 Cu.import("resource://gre/modules/XPCOMUtils.jsm");
  11 Cu.import("resource://gre/modules/ctypes.jsm");
  12
  13 const RECOVERYSERVICE_CID = Components.ID("{b3caca5d-0bb0-48c6-912b-6be6cbf08832}");
  14 const RECOVERYSERVICE_CONTRACTID = "@mozilla.org/recovery-service;1";
  15
  16 function log(msg) {
  17   dump("-*- RecoveryService: " + msg + "\n");
  18 }
  19
  20 #ifdef MOZ_WIDGET_GONK
  21 let librecovery = (function() {
  22   let library;
  23   try {
  24     library = ctypes.open("librecovery.so");
  25   } catch (e) {
  26     log("Unable to open librecovery.so");
  27     throw Cr.NS_ERROR_FAILURE;
  28   }
  29   let FotaUpdateStatus = new ctypes.StructType("FotaUpdateStatus", [
  30                                                 { result: ctypes.int },
  31                                                 { updatePath: ctypes.char.ptr }
  32                                               ]);
  33
  34   return {
  35     factoryReset:        library.declare("factoryReset",
  36                                          ctypes.default_abi,
  37                                          ctypes.int),
  38     installFotaUpdate:   library.declare("installFotaUpdate",
  39                                          ctypes.default_abi,
  40                                          ctypes.int,
  41                                          ctypes.char.ptr,
  42                                          ctypes.int),
  43
  44     FotaUpdateStatus:    FotaUpdateStatus,
  45     getFotaUpdateStatus: library.declare("getFotaUpdateStatus",
  46                                          ctypes.default_abi,
  47                                          ctypes.int,
  48                                          FotaUpdateStatus.ptr)
  49   };
  50 })();
  51 #endif
  52
  53 function RecoveryService() {}
  54
  55 RecoveryService.prototype = {
  56   classID: RECOVERYSERVICE_CID,
  57   QueryInterface: XPCOMUtils.generateQI([Ci.nsIRecoveryService]),
  58   classInfo: XPCOMUtils.generateCI({
  59     classID: RECOVERYSERVICE_CID,
  60     contractID: RECOVERYSERVICE_CONTRACTID,
  61     interfaces: [Ci.nsIRecoveryService],
  62     classDescription: "B2G Recovery Service"
  63   }),
  64
  65   factoryReset: function RS_factoryReset() {
  66 #ifdef MOZ_WIDGET_GONK
  67     // If this succeeds, then the device reboots and this never returns
  68     if (librecovery.factoryReset() != 0) {
  69       log("Error: Factory reset failed");
  70     }
  71 #endif
  72     throw Cr.NS_ERROR_FAILURE;
  73   },
  74
  75   installFotaUpdate: function RS_installFotaUpdate(updatePath) {
  76 #ifdef MOZ_WIDGET_GONK
  77     // If this succeeds, then the device reboots and this never returns
  78     if (librecovery.installFotaUpdate(updatePath, updatePath.length) != 0) {
  79       log("Error: FOTA install failed");
  80     }
  81 #endif
  82     throw Cr.NS_ERROR_FAILURE;
  83   },
  84
  85   getFotaUpdateStatus: function RS_getFotaUpdateStatus() {
  86     let status =  Ci.nsIRecoveryService.FOTA_UPDATE_UNKNOWN;
  87 #ifdef MOZ_WIDGET_GONK
  88     let cStatus = librecovery.FotaUpdateStatus();
  89
  90     if (librecovery.getFotaUpdateStatus(cStatus.address()) == 0) {
  91       status = cStatus.result;
  92     }
  93
  94 #endif
  95     return status;
  96   }
  97 };
  98
  99 this.NSGetFactory = XPCOMUtils.generateNSGetFactory([RecoveryService]);