Remove other gonk widget conditionals and unused files.

Tag #288.

1 files changed, 0 insertions, 3928 deletions

diff --git a/dom/wifi/WifiWorker.js b/dom/wifi/WifiWorker.js
deleted file mode 100644
index 243ba8b97..000000000
--- a/dom/wifi/WifiWorker.js
+++ /dev/null
@@ -1,3928 +0,0 @@
-/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
-/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
-/* 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";
-
-const {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
-
-Cu.import("resource://gre/modules/XPCOMUtils.jsm");
-Cu.import("resource://gre/modules/Services.jsm");
-Cu.import("resource://gre/modules/systemlibs.js");
-Cu.import("resource://gre/modules/FileUtils.jsm");
-Cu.import("resource://gre/modules/WifiCommand.jsm");
-Cu.import("resource://gre/modules/WifiNetUtil.jsm");
-Cu.import("resource://gre/modules/WifiP2pManager.jsm");
-Cu.import("resource://gre/modules/WifiP2pWorkerObserver.jsm");
-
-var DEBUG = false; // set to true to show debug messages.
-
-const WIFIWORKER_CONTRACTID = "@mozilla.org/wifi/worker;1";
-const WIFIWORKER_CID        = Components.ID("{a14e8977-d259-433a-a88d-58dd44657e5b}");
-
-const WIFIWORKER_WORKER     = "resource://gre/modules/wifi_worker.js";
-
-const kMozSettingsChangedObserverTopic   = "mozsettings-changed";
-
-const MAX_RETRIES_ON_AUTHENTICATION_FAILURE = 2;
-const MAX_SUPPLICANT_LOOP_ITERATIONS = 4;
-const MAX_RETRIES_ON_DHCP_FAILURE = 2;
-
-// Settings DB path for wifi
-const SETTINGS_WIFI_ENABLED            = "wifi.enabled";
-const SETTINGS_WIFI_DEBUG_ENABLED      = "wifi.debugging.enabled";
-// Settings DB path for Wifi tethering.
-const SETTINGS_WIFI_TETHERING_ENABLED  = "tethering.wifi.enabled";
-const SETTINGS_WIFI_SSID               = "tethering.wifi.ssid";
-const SETTINGS_WIFI_SECURITY_TYPE      = "tethering.wifi.security.type";
-const SETTINGS_WIFI_SECURITY_PASSWORD  = "tethering.wifi.security.password";
-const SETTINGS_WIFI_IP                 = "tethering.wifi.ip";
-const SETTINGS_WIFI_PREFIX             = "tethering.wifi.prefix";
-const SETTINGS_WIFI_DHCPSERVER_STARTIP = "tethering.wifi.dhcpserver.startip";
-const SETTINGS_WIFI_DHCPSERVER_ENDIP   = "tethering.wifi.dhcpserver.endip";
-const SETTINGS_WIFI_DNS1               = "tethering.wifi.dns1";
-const SETTINGS_WIFI_DNS2               = "tethering.wifi.dns2";
-
-// Settings DB path for USB tethering.
-const SETTINGS_USB_DHCPSERVER_STARTIP  = "tethering.usb.dhcpserver.startip";
-const SETTINGS_USB_DHCPSERVER_ENDIP    = "tethering.usb.dhcpserver.endip";
-
-// Default value for WIFI tethering.
-const DEFAULT_WIFI_IP                  = "192.168.1.1";
-const DEFAULT_WIFI_PREFIX              = "24";
-const DEFAULT_WIFI_DHCPSERVER_STARTIP  = "192.168.1.10";
-const DEFAULT_WIFI_DHCPSERVER_ENDIP    = "192.168.1.30";
-const DEFAULT_WIFI_SSID                = "FirefoxHotspot";
-const DEFAULT_WIFI_SECURITY_TYPE       = "open";
-const DEFAULT_WIFI_SECURITY_PASSWORD   = "1234567890";
-const DEFAULT_DNS1                     = "8.8.8.8";
-const DEFAULT_DNS2                     = "8.8.4.4";
-
-// Default value for USB tethering.
-const DEFAULT_USB_DHCPSERVER_STARTIP   = "192.168.0.10";
-const DEFAULT_USB_DHCPSERVER_ENDIP     = "192.168.0.30";
-
-const WIFI_FIRMWARE_AP            = "AP";
-const WIFI_FIRMWARE_STATION       = "STA";
-const WIFI_SECURITY_TYPE_NONE     = "open";
-const WIFI_SECURITY_TYPE_WPA_PSK  = "wpa-psk";
-const WIFI_SECURITY_TYPE_WPA2_PSK = "wpa2-psk";
-
-const NETWORK_INTERFACE_UP   = "up";
-const NETWORK_INTERFACE_DOWN = "down";
-
-const DEFAULT_WLAN_INTERFACE = "wlan0";
-
-const DRIVER_READY_WAIT = 2000;
-
-const SUPP_PROP = "init.svc.wpa_supplicant";
-const WPA_SUPPLICANT = "wpa_supplicant";
-const DHCP_PROP = "init.svc.dhcpcd";
-const DHCP = "dhcpcd";
-
-const MODE_ESS = 0;
-const MODE_IBSS = 1;
-
-XPCOMUtils.defineLazyServiceGetter(this, "gNetworkManager",
-                                   "@mozilla.org/network/manager;1",
-                                   "nsINetworkManager");
-
-XPCOMUtils.defineLazyServiceGetter(this, "gNetworkService",
-                                   "@mozilla.org/network/service;1",
-                                   "nsINetworkService");
-
-XPCOMUtils.defineLazyServiceGetter(this, "gSettingsService",
-                                   "@mozilla.org/settingsService;1",
-                                   "nsISettingsService");
-
-XPCOMUtils.defineLazyServiceGetter(this, "gTetheringService",
-                                   "@mozilla.org/tethering/service;1",
-                                   "nsITetheringService");
-
-// A note about errors and error handling in this file:
-// The libraries that we use in this file are intended for C code. For
-// C code, it is natural to return -1 for errors and 0 for success.
-// Therefore, the code that interacts directly with the worker uses this
-// convention (note: command functions do get boolean results since the
-// command always succeeds and we do a string/boolean check for the
-// expected results).
-var WifiManager = (function() {
-  var manager = {};
-
-  function getStartupPrefs() {
-    return {
-      sdkVersion: parseInt(libcutils.property_get("ro.build.version.sdk"), 10),
-      unloadDriverEnabled: libcutils.property_get("ro.moz.wifi.unloaddriver") === "1",
-      schedScanRecovery: libcutils.property_get("ro.moz.wifi.sched_scan_recover") === "false" ? false : true,
-      driverDelay: libcutils.property_get("ro.moz.wifi.driverDelay"),
-      p2pSupported: libcutils.property_get("ro.moz.wifi.p2p_supported") === "1",
-      eapSimSupported: libcutils.property_get("ro.moz.wifi.eapsim_supported") === "1",
-      ibssSupported: libcutils.property_get("ro.moz.wifi.ibss_supported", "true") === "true",
-      ifname: libcutils.property_get("wifi.interface")
-    };
-  }
-
-  let {sdkVersion, unloadDriverEnabled, schedScanRecovery,
-       driverDelay, p2pSupported, eapSimSupported, ibssSupported, ifname} = getStartupPrefs();
-
-  let capabilities = {
-    security: ["OPEN", "WEP", "WPA-PSK", "WPA-EAP"],
-    eapMethod: ["PEAP", "TTLS", "TLS"],
-    eapPhase2: ["MSCHAPV2"],
-    certificate: ["SERVER"],
-    mode: [MODE_ESS]
-  };
-  if (eapSimSupported) {
-    capabilities.eapMethod.unshift("SIM");
-  }
-  if (ibssSupported) {
-    capabilities.mode.push(MODE_IBSS);
-  }
-
-  let wifiListener = {
-    onWaitEvent: function(event, iface) {
-      if (manager.ifname === iface && handleEvent(event)) {
-        waitForEvent(iface);
-      } else if (p2pSupported) {
-        // Please refer to
-        // http://androidxref.com/4.4.2_r1/xref/frameworks/base/wifi/java/android/net/wifi/WifiMonitor.java#519
-        // for interface event mux/demux rules. In short words, both
-        // 'p2p0' and 'p2p-' should go to Wifi P2P state machine.
-        if (WifiP2pManager.INTERFACE_NAME === iface || -1 !== iface.indexOf('p2p-')) {
-          // If the connection is closed, wifi.c::wifi_wait_for_event()
-          // will still return 'CTRL-EVENT-TERMINATING  - connection closed'
-          // rather than blocking. So when we see this special event string,
-          // just return immediately.
-          const TERMINATED_EVENT = 'CTRL-EVENT-TERMINATING  - connection closed';
-          if (-1 !== event.indexOf(TERMINATED_EVENT)) {
-            return;
-          }
-          p2pManager.handleEvent(event);
-          waitForEvent(iface);
-        }
-      }
-    },
-
-    onCommand: function(event, iface) {
-      onmessageresult(event, iface);
-    }
-  }
-
-  manager.ifname = ifname;
-  manager.connectToSupplicant = false;
-  // Emulator build runs to here.
-  // The debug() should only be used after WifiManager.
-  if (!ifname) {
-    manager.ifname = DEFAULT_WLAN_INTERFACE;
-  }
-  manager.schedScanRecovery = schedScanRecovery;
-  manager.driverDelay = driverDelay ? parseInt(driverDelay, 10) : DRIVER_READY_WAIT;
-
-  // Regular Wifi stuff.
-  var netUtil = WifiNetUtil(controlMessage);
-  var wifiCommand = WifiCommand(controlMessage, manager.ifname, sdkVersion);
-
-  // Wifi P2P stuff
-  var p2pManager;
-  if (p2pSupported) {
-    let p2pCommand = WifiCommand(controlMessage, WifiP2pManager.INTERFACE_NAME, sdkVersion);
-    p2pManager = WifiP2pManager(p2pCommand, netUtil);
-  }
-
-  let wifiService = Cc["@mozilla.org/wifi/service;1"];
-  if (wifiService) {
-    wifiService = wifiService.getService(Ci.nsIWifiProxyService);
-    let interfaces = [manager.ifname];
-    if (p2pSupported) {
-      interfaces.push(WifiP2pManager.INTERFACE_NAME);
-    }
-    wifiService.start(wifiListener, interfaces, interfaces.length);
-  } else {
-    debug("No wifi service component available!");
-  }
-
-  // Callbacks to invoke when a reply arrives from the wifi service.
-  var controlCallbacks = Object.create(null);
-  var idgen = 0;
-
-  function controlMessage(obj, callback) {
-    var id = idgen++;
-    obj.id = id;
-    if (callback) {
-      controlCallbacks[id] = callback;
-    }
-    wifiService.sendCommand(obj, obj.iface);
-  }
-
-  let onmessageresult = function(data, iface) {
-    var id = data.id;
-    var callback = controlCallbacks[id];
-    if (callback) {
-      callback(data);
-      delete controlCallbacks[id];
-    }
-  }
-
-  // Polling the status worker
-  var recvErrors = 0;
-
-  function waitForEvent(iface) {
-    wifiService.waitForEvent(iface);
-  }
-
-  // Commands to the control worker.
-
-  var driverLoaded = false;
-
-  function loadDriver(callback) {
-    if (driverLoaded) {
-      callback(0);
-      return;
-    }
-
-    wifiCommand.loadDriver(function (status) {
-      driverLoaded = (status >= 0);
-      callback(status)
-    });
-  }
-
-  function unloadDriver(type, callback) {
-    if (!unloadDriverEnabled) {
-      // Unloading drivers is generally unnecessary and
-      // can trigger bugs in some drivers.
-      // On properly written drivers, bringing the interface
-      // down powers down the interface.
-      if (type === WIFI_FIRMWARE_STATION) {
-        notify("supplicantlost", { success: true });
-      }
-      callback(0);
-      return;
-    }
-
-    wifiCommand.unloadDriver(function(status) {
-      driverLoaded = (status < 0);
-      if (type === WIFI_FIRMWARE_STATION) {
-        notify("supplicantlost", { success: true });
-      }
-      callback(status);
-    });
-  }
-
-  // A note about background scanning:
-  // Normally, background scanning shouldn't be necessary as wpa_supplicant
-  // has the capability to automatically schedule its own scans at appropriate
-  // intervals. However, with some drivers, this appears to get stuck after
-  // three scans, so we enable the driver's background scanning to work around
-  // that when we're not connected to any network. This ensures that we'll
-  // automatically reconnect to networks if one falls out of range.
-  var reEnableBackgroundScan = false;
-
-  // NB: This is part of the internal API.
-  manager.backgroundScanEnabled = false;
-  function setBackgroundScan(enable, callback) {
-    var doEnable = (enable === "ON");
-    if (doEnable === manager.backgroundScanEnabled) {
-      callback(false, true);
-      return;
-    }
-
-    manager.backgroundScanEnabled = doEnable;
-    wifiCommand.setBackgroundScan(manager.backgroundScanEnabled, callback);
-  }
-
-  var scanModeActive = false;
-
-  function scan(forceActive, callback) {
-    if (forceActive && !scanModeActive) {
-      // Note: we ignore errors from doSetScanMode.
-      wifiCommand.doSetScanMode(true, function(ignore) {
-        setBackgroundScan("OFF", function(turned, ignore) {
-          reEnableBackgroundScan = turned;
-          manager.handlePreWifiScan();
-          wifiCommand.scan(function(ok) {
-            wifiCommand.doSetScanMode(false, function(ignore) {
-              // The result of scanCommand is the result of the actual SCAN
-              // request.
-              callback(ok);
-            });
-          });
-        });
-      });
-      return;
-    }
-    manager.handlePreWifiScan();
-    wifiCommand.scan(callback);
-  }
-
-  var debugEnabled = false;
-
-  function syncDebug() {
-    if (debugEnabled !== DEBUG) {
-      let wanted = DEBUG;
-      wifiCommand.setLogLevel(wanted ? "DEBUG" : "INFO", function(ok) {
-        if (ok)
-          debugEnabled = wanted;
-      });
-      if (p2pSupported && p2pManager) {
-        p2pManager.setDebug(DEBUG);
-      }
-    }
-  }
-
-  function getDebugEnabled(callback) {
-    wifiCommand.getLogLevel(function(level) {
-      if (level === null) {
-        debug("Unable to get wpa_supplicant's log level");
-        callback(false);
-        return;
-      }
-
-      var lines = level.split("\n");
-      for (let i = 0; i < lines.length; ++i) {
-        let match = /Current level: (.*)/.exec(lines[i]);
-        if (match) {
-          debugEnabled = match[1].toLowerCase() === "debug";
-          callback(true);
-          return;
-        }
-      }
-
-      // If we're here, we didn't get the current level.
-      callback(false);
-    });
-  }
-
-  function setScanMode(setActive, callback) {
-    scanModeActive = setActive;
-    wifiCommand.doSetScanMode(setActive, callback);
-  }
-
-  var httpProxyConfig = Object.create(null);
-
-  /**
-   * Given a network, configure http proxy when using wifi.
-   * @param network A network object to update http proxy
-   * @param info Info should have following field:
-   *        - httpProxyHost ip address of http proxy.
-   *        - httpProxyPort port of http proxy, set 0 to use default port 8080.
-   * @param callback callback function.
-   */
-  function configureHttpProxy(network, info, callback) {
-    if (!network)
-      return;
-
-    let networkKey = getNetworkKey(network);
-
-    if (!info || info.httpProxyHost === "") {
-      delete httpProxyConfig[networkKey];
-    } else {
-      httpProxyConfig[networkKey] = network;
-      httpProxyConfig[networkKey].httpProxyHost = info.httpProxyHost;
-      httpProxyConfig[networkKey].httpProxyPort = info.httpProxyPort;
-    }
-
-    callback(true);
-  }
-
-  function getHttpProxyNetwork(network) {
-    if (!network)
-      return null;
-
-    let networkKey = getNetworkKey(network);
-    return httpProxyConfig[networkKey];
-  }
-
-  function setHttpProxy(network) {
-    if (!network)
-      return;
-
-    // If we got here, arg network must be the currentNetwork, so we just update
-    // WifiNetworkInterface correspondingly and notify NetworkManager.
-    WifiNetworkInterface.httpProxyHost = network.httpProxyHost;
-    WifiNetworkInterface.httpProxyPort = network.httpProxyPort;
-
-    if (WifiNetworkInterface.info.state ==
-        Ci.nsINetworkInfo.NETWORK_STATE_CONNECTED) {
-      gNetworkManager.updateNetworkInterface(WifiNetworkInterface);
-    }
-  }
-
-  var staticIpConfig = Object.create(null);
-  function setStaticIpMode(network, info, callback) {
-    let setNetworkKey = getNetworkKey(network);
-    let curNetworkKey = null;
-    let currentNetwork = Object.create(null);
-    currentNetwork.netId = manager.connectionInfo.id;
-
-    manager.getNetworkConfiguration(currentNetwork, function () {
-      curNetworkKey = getNetworkKey(currentNetwork);
-
-      // Add additional information to static ip configuration
-      // It is used to compatiable with information dhcp callback.
-      info.ipaddr = netHelpers.stringToIP(info.ipaddr_str);
-      info.gateway = netHelpers.stringToIP(info.gateway_str);
-      info.mask_str = netHelpers.ipToString(netHelpers.makeMask(info.maskLength));
-
-      // Optional
-      info.dns1 = netHelpers.stringToIP(info.dns1_str);
-      info.dns2 = netHelpers.stringToIP(info.dns2_str);
-      info.proxy = netHelpers.stringToIP(info.proxy_str);
-
-      staticIpConfig[setNetworkKey] = info;
-
-      // If the ssid of current connection is the same as configured ssid
-      // It means we need update current connection to use static IP address.
-      if (setNetworkKey == curNetworkKey) {
-        // Use configureInterface directly doesn't work, the network interface
-        // and routing table is changed but still cannot connect to network
-        // so the workaround here is disable interface the enable again to
-        // trigger network reconnect with static ip.
-        gNetworkService.disableInterface(manager.ifname, function (ok) {
-          gNetworkService.enableInterface(manager.ifname, function (ok) {
-            callback(ok);
-          });
-        });
-        return;
-      }
-
-      callback(true);
-    });
-  }
-
-  var dhcpInfo = null;
-
-  function runStaticIp(ifname, key) {
-    debug("Run static ip");
-
-    // Read static ip information from settings.
-    let staticIpInfo;
-
-    if (!(key in staticIpConfig))
-      return;
-
-    staticIpInfo = staticIpConfig[key];
-
-    // Stop dhcpd when use static IP
-    if (dhcpInfo != null) {
-      netUtil.stopDhcp(manager.ifname, function() {});
-    }
-
-    // Set ip, mask length, gateway, dns to network interface
-    gNetworkService.configureInterface( { ifname: ifname,
-                                          ipaddr: staticIpInfo.ipaddr,
-                                          mask: staticIpInfo.maskLength,
-                                          gateway: staticIpInfo.gateway,
-                                          dns1: staticIpInfo.dns1,
-                                          dns2: staticIpInfo.dns2 }, function (data) {
-      netUtil.runIpConfig(ifname, staticIpInfo, function(data) {
-        dhcpInfo = data.info;
-        notify("networkconnected", data);
-      });
-    });
-  }
-
-  var suppressEvents = false;
-  function notify(eventName, eventObject) {
-    if (suppressEvents)
-      return;
-    var handler = manager["on" + eventName];
-    if (handler) {
-      if (!eventObject)
-        eventObject = ({});
-      handler.call(eventObject);
-    }
-  }
-
-  function notifyStateChange(fields) {
-    // If we're already in the COMPLETED state, we might receive events from
-    // the supplicant that tell us that we're re-authenticating or reminding
-    // us that we're associated to a network. In those cases, we don't need to
-    // do anything, so just ignore them.
-    if (manager.state === "COMPLETED" &&
-        fields.state !== "DISCONNECTED" &&
-        fields.state !== "INTERFACE_DISABLED" &&
-        fields.state !== "INACTIVE" &&
-        fields.state !== "SCANNING") {
-      return false;
-    }
-
-    // Stop background scanning if we're trying to connect to a network.
-    if (manager.backgroundScanEnabled &&
-        (fields.state === "ASSOCIATING" ||
-         fields.state === "ASSOCIATED" ||
-         fields.state === "FOUR_WAY_HANDSHAKE" ||
-         fields.state === "GROUP_HANDSHAKE" ||
-         fields.state === "COMPLETED")) {
-      setBackgroundScan("OFF", function() {});
-    }
-
-    fields.prevState = manager.state;
-    // Detect wpa_supplicant's loop iterations.
-    manager.supplicantLoopDetection(fields.prevState, fields.state);
-    notify("statechange", fields);
-
-    // Don't update state when and after disabling.
-    if (manager.state === "DISABLING" ||
-        manager.state === "UNINITIALIZED") {
-      return false;
-    }
-
-    manager.state = fields.state;
-    return true;
-  }
-
-  function parseStatus(status) {
-    if (status === null) {
-      debug("Unable to get wpa supplicant's status");
-      return;
-    }
-
-    var ssid;
-    var bssid;
-    var state;
-    var ip_address;
-    var id;
-
-    var lines = status.split("\n");
-    for (let i = 0; i < lines.length; ++i) {
-      let [key, value] = lines[i].split("=");
-      switch (key) {
-        case "wpa_state":
-          state = value;
-          break;
-        case "ssid":
-          ssid = value;
-          break;
-        case "bssid":
-          bssid = value;
-          break;
-        case "ip_address":
-          ip_address = value;
-          break;
-        case "id":
-          id = value;
-          break;
-      }
-    }
-
-    if (bssid && ssid) {
-      manager.connectionInfo.bssid = bssid;
-      manager.connectionInfo.ssid = ssid;
-      manager.connectionInfo.id = id;
-    }
-
-    if (ip_address)
-      dhcpInfo = { ip_address: ip_address };
-
-    notifyStateChange({ state: state, fromStatus: true });
-
-    // If we parse the status and the supplicant has already entered the
-    // COMPLETED state, then we need to set up DHCP right away.
-    if (state === "COMPLETED")
-      onconnected();
-  }
-
-  // try to connect to the supplicant
-  var connectTries = 0;
-  var retryTimer = null;
-  function connectCallback(ok) {
-    if (ok === 0) {
-      // Tell the event worker to start waiting for events.
-      retryTimer = null;
-      connectTries = 0;
-      recvErrors = 0;
-      manager.connectToSupplicant = true;
-      didConnectSupplicant(function(){});
-      return;
-    }
-    if (connectTries++ < 5) {
-      // Try again in 1 seconds.
-      if (!retryTimer)
-        retryTimer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
-
-      retryTimer.initWithCallback(function(timer) {
-        wifiCommand.connectToSupplicant(connectCallback);
-      }, 1000, Ci.nsITimer.TYPE_ONE_SHOT);
-      return;
-    }
-
-    retryTimer = null;
-    connectTries = 0;
-    notify("supplicantlost", { success: false });
-  }
-
-  manager.connectionDropped = function(callback) {
-    // Reset network interface when connection drop
-    gNetworkService.configureInterface( { ifname: manager.ifname,
-                                          ipaddr: 0,
-                                          mask: 0,
-                                          gateway: 0,
-                                          dns1: 0,
-                                          dns2: 0 }, function (data) {
-    });
-
-    // If we got disconnected, kill the DHCP client in preparation for
-    // reconnection.
-    gNetworkService.resetConnections(manager.ifname, function() {
-      netUtil.stopDhcp(manager.ifname, function() {
-        callback();
-      });
-    });
-  }
-
-  manager.start = function() {
-    debug("detected SDK version " + sdkVersion);
-    wifiCommand.connectToSupplicant(connectCallback);
-  }
-
-  let dhcpRequestGen = 0;
-
-  function onconnected() {
-    // For now we do our own DHCP. In the future, this should be handed
-    // off to the Network Manager.
-    let currentNetwork = Object.create(null);
-    currentNetwork.netId = manager.connectionInfo.id;
-
-    manager.getNetworkConfiguration(currentNetwork, function (){
-      let key = getNetworkKey(currentNetwork);
-      if (staticIpConfig  &&
-          (key in staticIpConfig) &&
-          staticIpConfig[key].enabled) {
-          debug("Run static ip");
-          runStaticIp(manager.ifname, key);
-          return;
-      }
-      netUtil.runDhcp(manager.ifname, dhcpRequestGen++, function(data, gen) {
-        dhcpInfo = data.info;
-        debug('dhcpRequestGen: ' + dhcpRequestGen + ', gen: ' + gen);
-        if (!dhcpInfo) {
-          if (gen + 1 < dhcpRequestGen) {
-            debug('Do not bother younger DHCP request.');
-            return;
-          }
-          if (++manager.dhcpFailuresCount >= MAX_RETRIES_ON_DHCP_FAILURE) {
-            manager.dhcpFailuresCount = 0;
-            notify("disconnected", {connectionInfo: manager.connectionInfo});
-            return;
-          }
-          // NB: We have to call disconnect first. Otherwise, we only reauth with
-          // the existing AP and don't retrigger DHCP.
-          manager.disconnect(function() {
-            manager.reassociate(function(){});
-          });
-          return;
-        }
-
-        manager.dhcpFailuresCount = 0;
-        notify("networkconnected", data);
-      });
-    });
-  }
-
-  var supplicantStatesMap = (sdkVersion >= 15) ?
-    ["DISCONNECTED", "INTERFACE_DISABLED", "INACTIVE", "SCANNING",
-     "AUTHENTICATING", "ASSOCIATING", "ASSOCIATED", "FOUR_WAY_HANDSHAKE",
-     "GROUP_HANDSHAKE", "COMPLETED"]
-    :
-    ["DISCONNECTED", "INACTIVE", "SCANNING", "ASSOCIATING",
-     "ASSOCIATED", "FOUR_WAY_HANDSHAKE", "GROUP_HANDSHAKE",
-     "COMPLETED", "DORMANT", "UNINITIALIZED"];
-
-  var driverEventMap = { STOPPED: "driverstopped", STARTED: "driverstarted", HANGED: "driverhung" };
-
-  manager.getNetworkId = function (ssid, callback) {
-    manager.getConfiguredNetworks(function(networks) {
-      if (!networks) {
-        debug("Unable to get configured networks");
-        return callback(null);
-      }
-      for (let net in networks) {
-        let network = networks[net];
-        // Trying to get netId from
-        // 1. network matching SSID if SSID is provided.
-        // 2. current network if no SSID is provided, it's not guaranteed that
-        //    current network matches requested SSID.
-        if ((!ssid && network.status === "CURRENT") ||
-            (ssid && network.ssid && ssid === dequote(network.ssid))) {
-          return callback(net);
-        }
-      }
-      callback(null);
-    });
-  }
-
-  function handleWpaEapEvents(event) {
-    if (event.indexOf("CTRL-EVENT-EAP-FAILURE") !== -1) {
-      if (event.indexOf("EAP authentication failed") !== -1) {
-        notify("passwordmaybeincorrect");
-        if (manager.authenticationFailuresCount > MAX_RETRIES_ON_AUTHENTICATION_FAILURE) {
-          manager.authenticationFailuresCount = 0;
-          notify("disconnected", {connectionInfo: manager.connectionInfo});
-        }
-      }
-      return true;
-    }
-    if (event.indexOf("CTRL-EVENT-EAP-TLS-CERT-ERROR") !== -1) {
-      // Cert Error
-      notify("passwordmaybeincorrect");
-      if (manager.authenticationFailuresCount > MAX_RETRIES_ON_AUTHENTICATION_FAILURE) {
-        manager.authenticationFailuresCount = 0;
-        notify("disconnected", {connectionInfo: manager.connectionInfo});
-      }
-      return true;
-    }
-    if (event.indexOf("CTRL-EVENT-EAP-STARTED") !== -1) {
-      notifyStateChange({ state: "AUTHENTICATING" });
-      return true;
-    }
-    return true;
-  }
-
-  // Handle events sent to us by the event worker.
-  function handleEvent(event) {
-    debug("Event coming in: " + event);
-    if (event.indexOf("CTRL-EVENT-") !== 0 && event.indexOf("WPS") !== 0) {
-      // Handle connection fail exception on WEP-128, while password length
-      // is not 5 nor 13 bytes.
-      if (event.indexOf("Association request to the driver failed") !== -1) {
-        notify("passwordmaybeincorrect");
-        if (manager.authenticationFailuresCount > MAX_RETRIES_ON_AUTHENTICATION_FAILURE) {
-          manager.authenticationFailuresCount = 0;
-          notify("disconnected", {connectionInfo: manager.connectionInfo});
-        }
-        return true;
-      }
-
-      if (event.indexOf("WPA:") == 0 &&
-          event.indexOf("pre-shared key may be incorrect") != -1) {
-        notify("passwordmaybeincorrect");
-      }
-
-      // This is ugly, but we need to grab the SSID here. BSSID is not guaranteed
-      // to be provided, so don't grab BSSID here.
-      var match = /Trying to associate with.*SSID[ =]'(.*)'/.exec(event);
-      if (match) {
-        debug("Matched: " + match[1] + "\n");
-        manager.connectionInfo.ssid = match[1];
-      }
-      return true;
-    }
-
-    var space = event.indexOf(" ");
-    var eventData = event.substr(0, space + 1);
-    if (eventData.indexOf("CTRL-EVENT-STATE-CHANGE") === 0) {
-      // Parse the event data.
-      var fields = {};
-      var tokens = event.substr(space + 1).split(" ");
-      for (var n = 0; n < tokens.length; ++n) {
-        var kv = tokens[n].split("=");
-        if (kv.length === 2)
-          fields[kv[0]] = kv[1];
-      }
-      if (!("state" in fields))
-        return true;
-      fields.state = supplicantStatesMap[fields.state];
-
-      // The BSSID field is only valid in the ASSOCIATING and ASSOCIATED
-      // states, except when we "reauth", except this seems to depend on the
-      // driver, so simply check to make sure that we don't have a null BSSID.
-      if (fields.BSSID !== "00:00:00:00:00:00")
-        manager.connectionInfo.bssid = fields.BSSID;
-
-      if (notifyStateChange(fields) && fields.state === "COMPLETED") {
-        onconnected();
-      }
-      return true;
-    }
-    if (eventData.indexOf("CTRL-EVENT-DRIVER-STATE") === 0) {
-      var handlerName = driverEventMap[eventData];
-      if (handlerName)
-        notify(handlerName);
-      return true;
-    }
-    if (eventData.indexOf("CTRL-EVENT-TERMINATING") === 0) {
-      // As long the monitor socket is not closed and we haven't seen too many
-      // recv errors yet, we will keep going for a bit longer.
-      if (event.indexOf("connection closed") === -1 &&
-          event.indexOf("recv error") !== -1 && ++recvErrors < 10)
-        return true;
-
-      notifyStateChange({ state: "DISCONNECTED", BSSID: null, id: -1 });
-
-      // If the supplicant is terminated as commanded, the supplicant lost
-      // notification will be sent after driver unloaded. In such case, the
-      // manager state will be "DISABLING" or "UNINITIALIZED".
-      // So if supplicant terminated with incorrect manager state, implying
-      // unexpected condition, we should notify supplicant lost here.
-      if (manager.state !== "DISABLING" && manager.state !== "UNINITIALIZED") {
-        notify("supplicantlost", { success: true });
-      }
-
-      if (manager.stopSupplicantCallback) {
-        cancelWaitForTerminateEventTimer();
-        // It's possible that the terminating event triggered by timer comes
-        // earlier than the event from wpa_supplicant. Since
-        // stopSupplicantCallback contains async. callbacks, swap it to local
-        // to prevent calling the callback twice.
-        let stopSupplicantCallback = manager.stopSupplicantCallback.bind(manager);
-        manager.stopSupplicantCallback = null;
-        stopSupplicantCallback();
-        stopSupplicantCallback = null;
-      }
-      return false;
-    }
-    if (eventData.indexOf("CTRL-EVENT-DISCONNECTED") === 0) {
-      var token = event.split(" ")[1];
-      var bssid = token.split("=")[1];
-      if (manager.authenticationFailuresCount > MAX_RETRIES_ON_AUTHENTICATION_FAILURE) {
-        manager.authenticationFailuresCount = 0;
-        notify("disconnected", {connectionInfo: manager.connectionInfo});
-      }
-      manager.connectionInfo.bssid = null;
-      manager.connectionInfo.ssid = null;
-      manager.connectionInfo.id = -1;
-      return true;
-    }
-    if (eventData.indexOf("CTRL-EVENT-CONNECTED") === 0) {
-      // Format: CTRL-EVENT-CONNECTED - Connection to 00:1e:58:ec:d5:6d completed (reauth) [id=1 id_str=]
-      var bssid = event.split(" ")[4];
-
-      var keyword = "id=";
-      var id = event.substr(event.indexOf(keyword) + keyword.length).split(" ")[0];
-      // Read current BSSID here, it will always being provided.
-      manager.connectionInfo.id = id;
-      manager.connectionInfo.bssid = bssid;
-      return true;
-    }
-    if (eventData.indexOf("CTRL-EVENT-SCAN-RESULTS") === 0) {
-      debug("Notifying of scan results available");
-      if (reEnableBackgroundScan) {
-        reEnableBackgroundScan = false;
-        setBackgroundScan("ON", function() {});
-      }
-      manager.handlePostWifiScan();
-      notify("scanresultsavailable");
-      return true;
-    }
-    if (eventData.indexOf("CTRL-EVENT-EAP") === 0) {
-      return handleWpaEapEvents(event);
-    }
-    if (eventData.indexOf("CTRL-EVENT-ASSOC-REJECT") === 0) {
-      debug("CTRL-EVENT-ASSOC-REJECT: network error");
-      notify("passwordmaybeincorrect");
-      if (manager.authenticationFailuresCount > MAX_RETRIES_ON_AUTHENTICATION_FAILURE) {
-        manager.authenticationFailuresCount = 0;
-        debug("CTRL-EVENT-ASSOC-REJECT: disconnect network");
-        notify("disconnected", {connectionInfo: manager.connectionInfo});
-      }
-      return true;
-    }
-    if (eventData.indexOf("WPS-TIMEOUT") === 0) {
-      notifyStateChange({ state: "WPS_TIMEOUT", BSSID: null, id: -1 });
-      return true;
-    }
-    if (eventData.indexOf("WPS-FAIL") === 0) {
-      notifyStateChange({ state: "WPS_FAIL", BSSID: null, id: -1 });
-      return true;
-    }
-    if (eventData.indexOf("WPS-OVERLAP-DETECTED") === 0) {
-      notifyStateChange({ state: "WPS_OVERLAP_DETECTED", BSSID: null, id: -1 });
-      return true;
-    }
-    // Unknown event.
-    return true;
-  }
-
-  function setPowerSavingMode(enabled) {
-    let mode = enabled ? "AUTO" : "ACTIVE";
-    // Some wifi drivers may not implement this command. Set power mode
-    // even if suspend optimization command failed.
-    manager.setSuspendOptimizations(enabled, function(ok) {
-      manager.setPowerMode(mode, function() {});
-    });
-  }
-
-  function didConnectSupplicant(callback) {
-    waitForEvent(manager.ifname);
-
-    // Load up the supplicant state.
-    getDebugEnabled(function(ok) {
-      syncDebug();
-    });
-    wifiCommand.status(function(status) {
-      parseStatus(status);
-      notify("supplicantconnection");
-      callback();
-    });
-    // WPA supplicant already connected.
-    manager.setPowerSavingMode(true);
-    if (p2pSupported) {
-      manager.enableP2p(function(success) {});
-    }
-  }
-
-  function prepareForStartup(callback) {
-    let status = libcutils.property_get(DHCP_PROP + "_" + manager.ifname);
-    if (status !== "running") {
-      tryStopSupplicant();
-      return;
-    }
-    manager.connectionDropped(function() {
-      tryStopSupplicant();
-    });
-
-    // Ignore any errors and kill any currently-running supplicants. On some
-    // phones, stopSupplicant won't work for a supplicant that we didn't
-    // start, so we hand-roll it here.
-    function tryStopSupplicant () {
-      let status = libcutils.property_get(SUPP_PROP);
-      if (status !== "running") {
-        callback();
-        return;
-      }
-      suppressEvents = true;
-      wifiCommand.killSupplicant(function() {
-        gNetworkService.disableInterface(manager.ifname, function (ok) {
-          suppressEvents = false;
-          callback();
-        });
-      });
-    }
-  }
-
-  // Initial state.
-  manager.state = "UNINITIALIZED";
-  manager.tetheringState = "UNINITIALIZED";
-  manager.supplicantStarted = false;
-  manager.connectionInfo = { ssid: null, bssid: null, id: -1 };
-  manager.authenticationFailuresCount = 0;
-  manager.loopDetectionCount = 0;
-  manager.dhcpFailuresCount = 0;
-  manager.stopSupplicantCallback = null;
-
-  manager.__defineGetter__("enabled", function() {
-    switch (manager.state) {
-      case "UNINITIALIZED":
-      case "INITIALIZING":
-      case "DISABLING":
-        return false;
-      default:
-        return true;
-    }
-  });
-
-  var waitForTerminateEventTimer = null;
-  function cancelWaitForTerminateEventTimer() {
-    if (waitForTerminateEventTimer) {
-      waitForTerminateEventTimer.cancel();
-      waitForTerminateEventTimer = null;
-    }
-  };
-  function createWaitForTerminateEventTimer(onTimeout) {
-    if (waitForTerminateEventTimer) {
-      return;
-    }
-    waitForTerminateEventTimer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
-    waitForTerminateEventTimer.initWithCallback(onTimeout,
-                                                4000,
-                                                Ci.nsITimer.TYPE_ONE_SHOT);
-  };
-
-  var waitForDriverReadyTimer = null;
-  function cancelWaitForDriverReadyTimer() {
-    if (waitForDriverReadyTimer) {
-      waitForDriverReadyTimer.cancel();
-      waitForDriverReadyTimer = null;
-    }
-  };
-  function createWaitForDriverReadyTimer(onTimeout) {
-    waitForDriverReadyTimer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
-    waitForDriverReadyTimer.initWithCallback(onTimeout,
-                                             manager.driverDelay,
-                                             Ci.nsITimer.TYPE_ONE_SHOT);
-  };
-
-  // Public interface of the wifi service.
-  manager.setWifiEnabled = function(enabled, callback) {
-    if (enabled === manager.isWifiEnabled(manager.state)) {
-      callback("no change");
-      return;
-    }
-
-    if (enabled) {
-      manager.state = "INITIALIZING";
-      // Register as network interface.
-      WifiNetworkInterface.info.name = manager.ifname;
-      if (!WifiNetworkInterface.registered) {
-        gNetworkManager.registerNetworkInterface(WifiNetworkInterface);
-        WifiNetworkInterface.registered = true;
-      }
-      WifiNetworkInterface.info.state =
-        Ci.nsINetworkInfo.NETWORK_STATE_DISCONNECTED;
-      WifiNetworkInterface.info.ips = [];
-      WifiNetworkInterface.info.prefixLengths = [];
-      WifiNetworkInterface.info.gateways = [];
-      WifiNetworkInterface.info.dnses = [];
-      gNetworkManager.updateNetworkInterface(WifiNetworkInterface);
-
-      prepareForStartup(function() {
-        loadDriver(function (status) {
-          if (status < 0) {
-            callback(status);
-            manager.state = "UNINITIALIZED";
-            return;
-          }
-          // This command is mandatory for Nexus 4. But some devices like
-          // Galaxy S2 don't support it. Continue to start wpa_supplicant
-          // even if we fail to set wifi operation mode to station.
-          gNetworkService.setWifiOperationMode(manager.ifname,
-                                               WIFI_FIRMWARE_STATION,
-                                               function (status) {
-
-            function startSupplicantInternal() {
-              wifiCommand.startSupplicant(function (status) {
-                if (status < 0) {
-                  unloadDriver(WIFI_FIRMWARE_STATION, function() {
-                    callback(status);
-                  });
-                  manager.state = "UNINITIALIZED";
-                  return;
-                }
-
-                manager.supplicantStarted = true;
-                gNetworkService.enableInterface(manager.ifname, function (ok) {
-                  callback(ok ? 0 : -1);
-                });
-              });
-            }
-
-            function doStartSupplicant() {
-              cancelWaitForDriverReadyTimer();
-
-              if (!manager.connectToSupplicant) {
-                startSupplicantInternal();
-                return;
-              }
-              wifiCommand.closeSupplicantConnection(function () {
-                manager.connectToSupplicant = false;
-                // closeSupplicantConnection() will trigger onsupplicantlost
-                // and set manager.state to "UNINITIALIZED", we have to
-                // restore it here.
-                manager.state = "INITIALIZING";
-                startSupplicantInternal();
-              });
-            }
-            // Driver startup on certain platforms takes longer than it takes for us
-            // to return from loadDriver, so wait 2 seconds before starting
-            // the supplicant to give it a chance to start.
-            if (manager.driverDelay > 0) {
-              createWaitForDriverReadyTimer(doStartSupplicant);
-            } else {
-              doStartSupplicant();
-            }
-          });
-        });
-      });
-    } else {
-      manager.state = "DISABLING";
-      // Note these following calls ignore errors. If we fail to kill the
-      // supplicant gracefully, then we need to continue telling it to die
-      // until it does.
-      let doDisableWifi = function() {
-        manager.stopSupplicantCallback = (function () {
-          wifiCommand.stopSupplicant(function (status) {
-            wifiCommand.closeSupplicantConnection(function() {
-              manager.connectToSupplicant = false;
-              manager.state = "UNINITIALIZED";
-              gNetworkService.disableInterface(manager.ifname, function (ok) {
-                unloadDriver(WIFI_FIRMWARE_STATION, callback);
-              });
-            });
-          });
-        }).bind(this);
-
-        let terminateEventCallback = (function() {
-          handleEvent("CTRL-EVENT-TERMINATING");
-        }).bind(this);
-        createWaitForTerminateEventTimer(terminateEventCallback);
-
-        // We are going to terminate the connection between wpa_supplicant.
-        // Stop the polling timer immediately to prevent connection info update
-        // command blocking in control thread until socket timeout.
-        notify("stopconnectioninfotimer");
-
-        wifiCommand.terminateSupplicant(function (ok) {
-          manager.connectionDropped(function () {
-          });
-        });
-      }
-
-      if (p2pSupported) {
-        p2pManager.setEnabled(false, { onDisabled: doDisableWifi });
-      } else {
-        doDisableWifi();
-      }
-    }
-  }
-
-  var wifiHotspotStatusTimer = null;
-  function cancelWifiHotspotStatusTimer() {
-    if (wifiHotspotStatusTimer) {
-      wifiHotspotStatusTimer.cancel();
-      wifiHotspotStatusTimer = null;
-    }
-  }
-
-  function createWifiHotspotStatusTimer(onTimeout) {
-    wifiHotspotStatusTimer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
-    wifiHotspotStatusTimer.init(onTimeout, 5000, Ci.nsITimer.TYPE_REPEATING_SLACK);
-  }
-
-  // Get wifi interface and load wifi driver when enable Ap mode.
-  manager.setWifiApEnabled = function(enabled, configuration, callback) {
-    if (enabled === manager.isWifiTetheringEnabled(manager.tetheringState)) {
-      callback("no change");
-      return;
-    }
-
-    if (enabled) {
-      manager.tetheringState = "INITIALIZING";
-      loadDriver(function (status) {
-        if (status < 0) {
-          callback();
-          manager.tetheringState = "UNINITIALIZED";
-          if (wifiHotspotStatusTimer) {
-            cancelWifiHotspotStatusTimer();
-            wifiCommand.closeHostapdConnection(function(result) {
-            });
-          }
-          return;
-        }
-
-        function getWifiHotspotStatus() {
-          wifiCommand.hostapdGetStations(function(result) {
-            notify("stationinfoupdate", {station: result});
-          });
-        }
-
-        function doStartWifiTethering() {
-          cancelWaitForDriverReadyTimer();
-          WifiNetworkInterface.info.name =
-            libcutils.property_get("wifi.tethering.interface", manager.ifname);
-          gTetheringService.setWifiTethering(enabled,
-                                             WifiNetworkInterface.info.name,
-                                             configuration, function(result) {
-            if (result) {
-              manager.tetheringState = "UNINITIALIZED";
-            } else {
-              manager.tetheringState = "COMPLETED";
-              wifiCommand.connectToHostapd(function(result) {
-                if (result) {
-                  return;
-                }
-                // Create a timer to track the connection status.
-                createWifiHotspotStatusTimer(getWifiHotspotStatus);
-              });
-            }
-            // Pop out current request.
-            callback();
-            // Should we fire a dom event if we fail to set wifi tethering  ?
-            debug("Enable Wifi tethering result: " + (result ? result : "successfully"));
-          });
-        }
-
-        // Driver startup on certain platforms takes longer than it takes
-        // for us to return from loadDriver, so wait 2 seconds before
-        // turning on Wifi tethering.
-        createWaitForDriverReadyTimer(doStartWifiTethering);
-      });
-    } else {
-      cancelWifiHotspotStatusTimer();
-      gTetheringService.setWifiTethering(enabled, WifiNetworkInterface,
-                                         configuration, function(result) {
-        // Should we fire a dom event if we fail to set wifi tethering  ?
-        debug("Disable Wifi tethering result: " + (result ? result : "successfully"));
-        // Unload wifi driver even if we fail to control wifi tethering.
-        unloadDriver(WIFI_FIRMWARE_AP, function(status) {
-          if (status < 0) {
-            debug("Fail to unload wifi driver");
-          }
-          manager.tetheringState = "UNINITIALIZED";
-          callback();
-        });
-      });
-    }
-  }
-
-  manager.disconnect = wifiCommand.disconnect;
-  manager.reconnect = wifiCommand.reconnect;
-  manager.reassociate = wifiCommand.reassociate;
-
-  var networkConfigurationFields = [
-    {name: "ssid",          type: "string"},
-    {name: "bssid",         type: "string"},
-    {name: "psk",           type: "string"},
-    {name: "wep_key0",      type: "string"},
-    {name: "wep_key1",      type: "string"},
-    {name: "wep_key2",      type: "string"},
-    {name: "wep_key3",      type: "string"},
-    {name: "wep_tx_keyidx", type: "integer"},
-    {name: "priority",      type: "integer"},
-    {name: "key_mgmt",      type: "string"},
-    {name: "scan_ssid",     type: "string"},
-    {name: "disabled",      type: "integer"},
-    {name: "identity",      type: "string"},
-    {name: "password",      type: "string"},
-    {name: "auth_alg",      type: "string"},
-    {name: "phase1",        type: "string"},
-    {name: "phase2",        type: "string"},
-    {name: "eap",           type: "string"},
-    {name: "pin",           type: "string"},
-    {name: "pcsc",          type: "string"},
-    {name: "ca_cert",       type: "string"},
-    {name: "subject_match", type: "string"},
-    {name: "client_cert",   type: "string"},
-    {name: "private_key",   type: "stirng"},
-    {name: "engine",        type: "integer"},
-    {name: "engine_id",     type: "string"},
-    {name: "key_id",        type: "string"},
-    {name: "frequency",     type: "integer"},
-    {name: "mode",          type: "integer"}
-  ];
-  // These fields are only handled in IBSS (aka ad-hoc) mode
-  var ibssNetworkConfigurationFields = [
-    "frequency", "mode"
-  ];
-
-  manager.getNetworkConfiguration = function(config, callback) {
-    var netId = config.netId;
-    var done = 0;
-    for (var n = 0; n < networkConfigurationFields.length; ++n) {
-      let fieldName = networkConfigurationFields[n].name;
-      let fieldType = networkConfigurationFields[n].type;
-      wifiCommand.getNetworkVariable(netId, fieldName, function(value) {
-        if (value !== null) {
-          if (fieldType === "integer") {
-            config[fieldName] = parseInt(value, 10);
-          } else if ( fieldName == "ssid" && value[0] != '"' ) {
-            // SET_NETWORK will set a quoted ssid to wpa_supplicant.
-            // But if ssid contains non-ascii char, it will be converted into utf-8.
-            // For example: "Test的wifi" --> 54657374e79a8477696669
-            // When GET_NETWORK receive a un-quoted utf-8 ssid, it must be decoded and quoted.
-            config[fieldName] = quote(decodeURIComponent(value.replace(/[0-9a-f]{2}/g, '%$&')));
-          } else {
-            // value is string type by default.
-            config[fieldName] = value;
-          }
-        }
-        if (++done == networkConfigurationFields.length)
-          callback(config);
-      });
-    }
-  }
-  manager.setNetworkConfiguration = function(config, callback) {
-    var netId = config.netId;
-    var done = 0;
-    var errors = 0;
-
-    function hasValidProperty(name) {
-      return ((name in config) &&
-               config[name] != null &&
-               (["password", "wep_key0", "psk"].indexOf(name) === -1 ||
-                config[name] !== '*'));
-    }
-
-    function getModeFromConfig() {
-      /* we use the mode from the config, or ESS as default */
-      return hasValidProperty("mode") ? config["mode"] : MODE_ESS;
-    }
-
-    var mode = getModeFromConfig();
-
-    function validForMode(name, mode) {
-            /* all fields are valid for IBSS */
-      return (mode == MODE_IBSS) ||
-            /* IBSS fields are not valid for ESS */
-            ((mode == MODE_ESS) && !(name in ibssNetworkConfigurationFields));
-    }
-
-    for (var n = 0; n < networkConfigurationFields.length; ++n) {
-      let fieldName = networkConfigurationFields[n].name;
-      if (!hasValidProperty(fieldName) || !validForMode(fieldName, mode)) {
-        ++done;
-      } else {
-        wifiCommand.setNetworkVariable(netId, fieldName, config[fieldName], function(ok) {
-          if (!ok)
-            ++errors;
-          if (++done == networkConfigurationFields.length)
-            callback(errors == 0);
-        });
-      }
-    }
-    // If config didn't contain any of the fields we want, don't lose the error callback.
-    if (done == networkConfigurationFields.length)
-      callback(false);
-  }
-  manager.getConfiguredNetworks = function(callback) {
-    wifiCommand.listNetworks(function (reply) {
-      var networks = Object.create(null);
-      var lines = reply ? reply.split("\n") : 0;
-      if (lines.length <= 1) {
-        // We need to make sure we call the callback even if there are no
-        // configured networks.
-        callback(networks);
-        return;
-      }
-
-      var done = 0;
-      var errors = 0;
-      for (var n = 1; n < lines.length; ++n) {
-        var result = lines[n].split("\t");
-        var netId = parseInt(result[0], 10);
-        var config = networks[netId] = { netId: netId };
-        switch (result[3]) {
-        case "[CURRENT]":
-          config.status = "CURRENT";
-          break;
-        case "[DISABLED]":
-          config.status = "DISABLED";
-          break;
-        default:
-          config.status = "ENABLED";
-          break;
-        }
-        manager.getNetworkConfiguration(config, function (ok) {
-            if (!ok)
-              ++errors;
-            if (++done == lines.length - 1) {
-              if (errors) {
-                // If an error occured, delete the new netId.
-                wifiCommand.removeNetwork(netId, function() {
-                  callback(null);
-                });
-              } else {
-                callback(networks);
-              }
-            }
-        });
-      }
-    });
-  }
-  manager.addNetwork = function(config, callback) {
-    wifiCommand.addNetwork(function (netId) {
-      config.netId = netId;
-      manager.setNetworkConfiguration(config, function (ok) {
-        if (!ok) {
-          wifiCommand.removeNetwork(netId, function() { callback(false); });
-          return;
-        }
-
-        callback(ok);
-      });
-    });
-  }
-  manager.updateNetwork = function(config, callback) {
-    manager.setNetworkConfiguration(config, callback);
-  }
-  manager.removeNetwork = function(netId, callback) {
-    wifiCommand.removeNetwork(netId, callback);
-  }
-
-  manager.saveConfig = function(callback) {
-    wifiCommand.saveConfig(callback);
-  }
-  manager.enableNetwork = function(netId, disableOthers, callback) {
-    if (p2pSupported) {
-      // We have to stop wifi direct scan before associating to an AP.
-      // Otherwise we will get a "REJECT" wpa supplicant event.
-      p2pManager.setScanEnabled(false, function(success) {});
-    }
-    wifiCommand.enableNetwork(netId, disableOthers, callback);
-  }
-  manager.disableNetwork = function(netId, callback) {
-    wifiCommand.disableNetwork(netId, callback);
-  }
-  manager.getMacAddress = wifiCommand.getMacAddress;
-  manager.getScanResults = wifiCommand.scanResults;
-  manager.setScanMode = function(mode, callback) {
-    setScanMode(mode === "active", callback); // Use our own version.
-  }
-  manager.setBackgroundScan = setBackgroundScan; // Use our own version.
-  manager.scan = scan; // Use our own version.
-  manager.wpsPbc = wifiCommand.wpsPbc;
-  manager.wpsPin = wifiCommand.wpsPin;
-  manager.wpsCancel = wifiCommand.wpsCancel;
-  manager.setPowerMode = (sdkVersion >= 16)
-                         ? wifiCommand.setPowerModeJB
-                         : wifiCommand.setPowerModeICS;
-  manager.setPowerSavingMode = setPowerSavingMode;
-  manager.getHttpProxyNetwork = getHttpProxyNetwork;
-  manager.setHttpProxy = setHttpProxy;
-  manager.configureHttpProxy = configureHttpProxy;
-  manager.setSuspendOptimizations = (sdkVersion >= 16)
-                                   ? wifiCommand.setSuspendOptimizationsJB
-                                   : wifiCommand.setSuspendOptimizationsICS;
-  manager.setStaticIpMode = setStaticIpMode;
-  manager.getRssiApprox = wifiCommand.getRssiApprox;
-  manager.getLinkSpeed = wifiCommand.getLinkSpeed;
-  manager.getDhcpInfo = function() { return dhcpInfo; }
-  manager.getConnectionInfo = (sdkVersion >= 15)
-                              ? wifiCommand.getConnectionInfoICS
-                              : wifiCommand.getConnectionInfoGB;
-
-  manager.ensureSupplicantDetached = aCallback => {
-    if (!manager.enabled) {
-      aCallback();
-      return;
-    }
-    wifiCommand.closeSupplicantConnection(aCallback);
-  };
-
-  manager.isHandShakeState = function(state) {
-    switch (state) {
-      case "AUTHENTICATING":
-      case "ASSOCIATING":
-      case "ASSOCIATED":
-      case "FOUR_WAY_HANDSHAKE":
-      case "GROUP_HANDSHAKE":
-        return true;
-      case "DORMANT":
-      case "COMPLETED":
-      case "DISCONNECTED":
-      case "INTERFACE_DISABLED":
-      case "INACTIVE":
-      case "SCANNING":
-      case "UNINITIALIZED":
-      case "INVALID":
-      case "CONNECTED":
-      default:
-        return false;
-    }
-  }
-
-  manager.isWifiEnabled = function(state) {
-    switch (state) {
-      case "UNINITIALIZED":
-      case "DISABLING":
-        return false;
-      default:
-        return true;
-    }
-  }
-
-  manager.isWifiTetheringEnabled = function(state) {
-    switch (state) {
-      case "UNINITIALIZED":
-        return false;
-      default:
-        return true;
-    }
-  }
-
-  manager.syncDebug = syncDebug;
-  manager.stateOrdinal = function(state) {
-    return supplicantStatesMap.indexOf(state);
-  }
-  manager.supplicantLoopDetection = function(prevState, state) {
-    var isPrevStateInHandShake = manager.isHandShakeState(prevState);
-    var isStateInHandShake = manager.isHandShakeState(state);
-
-    if (isPrevStateInHandShake) {
-      if (isStateInHandShake) {
-        // Increase the count only if we are in the loop.
-        if (manager.stateOrdinal(state) > manager.stateOrdinal(prevState)) {
-          manager.loopDetectionCount++;
-        }
-        if (manager.loopDetectionCount > MAX_SUPPLICANT_LOOP_ITERATIONS) {
-          notify("disconnected", {connectionInfo: manager.connectionInfo});
-          manager.loopDetectionCount = 0;
-        }
-      }
-    } else {
-      // From others state to HandShake state. Reset the count.
-      if (isStateInHandShake) {
-        manager.loopDetectionCount = 0;
-      }
-    }
-  }
-
-  manager.handlePreWifiScan = function() {
-    if (p2pSupported) {
-      // Before doing regular wifi scan, we have to disable wifi direct
-      // scan first. Otherwise we will never get the scan result.
-      p2pManager.blockScan();
-    }
-  };
-
-  manager.handlePostWifiScan = function() {
-    if (p2pSupported) {
-      // After regular wifi scanning, we should restore the restricted
-      // wifi direct scan.
-      p2pManager.unblockScan();
-    }
-  };
-
-  //
-  // Public APIs for P2P.
-  //
-
-  manager.p2pSupported = function() {
-    return p2pSupported;
-  };
-
-  manager.getP2pManager = function() {
-    return p2pManager;
-  };
-
-  manager.enableP2p = function(callback) {
-    p2pManager.setEnabled(true, {
-      onSupplicantConnected: function() {
-        waitForEvent(WifiP2pManager.INTERFACE_NAME);
-      },
-
-      onEnabled: function(success) {
-        callback(success);
-      }
-    });
-  };
-
-  manager.getCapabilities = function() {
-    return capabilities;
-  }
-
-  // Cert Services
-  let wifiCertService = Cc["@mozilla.org/wifi/certservice;1"];
-  if (wifiCertService) {
-    wifiCertService = wifiCertService.getService(Ci.nsIWifiCertService);
-    wifiCertService.start(wifiListener);
-  } else {
-    debug("No wifi CA service component available");
-  }
-
-  manager.importCert = function(caInfo, callback) {
-    var id = idgen++;
-    if (callback) {
-      controlCallbacks[id] = callback;
-    }
-
-    wifiCertService.importCert(id, caInfo.certBlob, caInfo.certPassword,
-                               caInfo.certNickname);
-  }
-
-  manager.deleteCert = function(caInfo, callback) {
-    var id = idgen++;
-    if (callback) {
-      controlCallbacks[id] = callback;
-    }
-
-    wifiCertService.deleteCert(id, caInfo.certNickname);
-  }
-
-  manager.sdkVersion = function() {
-    return sdkVersion;
-  }
-
-  return manager;
-})();
-
-// Get unique key for a network, now the key is created by escape(SSID)+Security.
-// So networks of same SSID but different security mode can be identified.
-function getNetworkKey(network)
-{
-  var ssid = "",
-      encryption = "OPEN";
-
-  if ("security" in network) {
-    // manager network object, represents an AP
-    // object structure
-    // {
-    //   .ssid           : SSID of AP
-    //   .security[]     : "WPA-PSK" for WPA-PSK
-    //                     "WPA-EAP" for WPA-EAP
-    //                     "WEP" for WEP
-    //                     "" for OPEN
-    //   other keys
-    // }
-
-    var security = network.security;
-    ssid = network.ssid;
-
-    for (let j = 0; j < security.length; j++) {
-      if (security[j] === "WPA-PSK") {
-        encryption = "WPA-PSK";
-        break;
-      } else if (security[j] === "WPA-EAP") {
-        encryption = "WPA-EAP";
-        break;
-      } else if (security[j] === "WEP") {
-        encryption = "WEP";
-        break;
-      }
-    }
-  } else if ("key_mgmt" in network) {
-    // configure network object, represents a network
-    // object structure
-    // {
-    //   .ssid           : SSID of network, quoted
-    //   .key_mgmt       : Encryption type
-    //                     "WPA-PSK" for WPA-PSK
-    //                     "WPA-EAP" for WPA-EAP
-    //                     "NONE" for WEP/OPEN
-    //   .auth_alg       : Encryption algorithm(WEP mode only)
-    //                     "OPEN_SHARED" for WEP
-    //   other keys
-    // }
-    var key_mgmt = network.key_mgmt,
-        auth_alg = network.auth_alg;
-    ssid = dequote(network.ssid);
-
-    if (key_mgmt == "WPA-PSK") {
-      encryption = "WPA-PSK";
-    } else if (key_mgmt.indexOf("WPA-EAP") != -1) {
-      encryption = "WPA-EAP";
-    } else if (key_mgmt == "NONE" && auth_alg === "OPEN SHARED") {
-      encryption = "WEP";
-    }
-  }
-
-  // ssid here must be dequoted, and it's safer to esacpe it.
-  // encryption won't be empty and always be assigned one of the followings :
-  // "OPEN"/"WEP"/"WPA-PSK"/"WPA-EAP".
-  // So for a invalid network object, the returned key will be "OPEN".
-  return escape(ssid) + encryption;
-}
-
-function getMode(flags) {
-  if (/\[IBSS/.test(flags))
-    return MODE_IBSS;
-
-  return MODE_ESS;
-}
-
-function getKeyManagement(flags) {
-  var types = [];
-  if (!flags)
-    return types;
-
-  if (/\[WPA2?-PSK/.test(flags))
-    types.push("WPA-PSK");
-  if (/\[WPA2?-EAP/.test(flags))
-    types.push("WPA-EAP");
-  if (/\[WEP/.test(flags))
-    types.push("WEP");
-  return types;
-}
-
-function getCapabilities(flags) {
-  var types = [];
-  if (!flags)
-    return types;
-
-  if (/\[WPS/.test(flags))
-    types.push("WPS");
-  return types;
-}
-
-// These constants shamelessly ripped from WifiManager.java
-// strength is the value returned by scan_results. It is nominally in dB. We
-// transform it into a percentage for clients looking to simply show a
-// relative indication of the strength of a network.
-const MIN_RSSI = -100;
-const MAX_RSSI = -55;
-
-function calculateSignal(strength) {
-  // Some wifi drivers represent their signal strengths as 8-bit integers, so
-  // in order to avoid negative numbers, they add 256 to the actual values.
-  // While we don't *know* that this is the case here, we make an educated
-  // guess.
-  if (strength > 0)
-    strength -= 256;
-
-  if (strength <= MIN_RSSI)
-    return 0;
-  if (strength >= MAX_RSSI)
-    return 100;
-  return Math.floor(((strength - MIN_RSSI) / (MAX_RSSI - MIN_RSSI)) * 100);
-}
-
-function Network(ssid, mode, frequency, security, password, capabilities) {
-  this.ssid = ssid;
-  this.mode = mode;
-  this.frequency = frequency;
-  this.security = security;
-
-  if (typeof password !== "undefined")
-    this.password = password;
-  if (capabilities !== undefined)
-    this.capabilities = capabilities;
-  // TODO connected here as well?
-
-  this.__exposedProps__ = Network.api;
-}
-
-Network.api = {
-  ssid: "r",
-  mode: "r",
-  frequency: "r",
-  security: "r",
-  capabilities: "r",
-  known: "r",
-
-  password: "rw",
-  keyManagement: "rw",
-  psk: "rw",
-  identity: "rw",
-  wep: "rw",
-  hidden: "rw",
-  eap: "rw",
-  pin: "rw",
-  phase1: "rw",
-  phase2: "rw",
-  serverCertificate: "rw",
-  userCertificate: "rw"
-};
-
-// Note: We never use ScanResult.prototype, so the fact that it's unrelated to
-// Network.prototype is OK.
-function ScanResult(ssid, bssid, frequency, flags, signal) {
-  Network.call(this, ssid, getMode(flags), frequency,
-               getKeyManagement(flags), undefined, getCapabilities(flags));
-  this.bssid = bssid;
-  this.signalStrength = signal;
-  this.relSignalStrength = calculateSignal(Number(signal));
-
-  this.__exposedProps__ = ScanResult.api;
-}
-
-// XXX This should probably live in the DOM-facing side, but it's hard to do
-// there, so we stick this here.
-ScanResult.api = {
-  bssid: "r",
-  signalStrength: "r",
-  relSignalStrength: "r",
-  connected: "r"
-};
-
-for (let i in Network.api) {
-  ScanResult.api[i] = Network.api[i];
-}
-
-function quote(s) {
-  return '"' + s + '"';
-}
-
-function dequote(s) {
-  if (s[0] != '"' || s[s.length - 1] != '"')
-    throw "Invalid argument, not a quoted string: " + s;
-  return s.substr(1, s.length - 2);
-}
-
-function isWepHexKey(s) {
-  if (s.length != 10 && s.length != 26 && s.length != 58)
-    return false;
-  return !/[^a-fA-F0-9]/.test(s);
-}
-
-
-var WifiNetworkInterface = {
-
-  QueryInterface: XPCOMUtils.generateQI([Ci.nsINetworkInterface]),
-
-  registered: false,
-
-  // nsINetworkInterface
-
-  NETWORK_STATE_UNKNOWN:       Ci.nsINetworkInfo.NETWORK_STATE_UNKNOWN,
-  NETWORK_STATE_CONNECTING:    Ci.nsINetworkInfo.CONNECTING,
-  NETWORK_STATE_CONNECTED:     Ci.nsINetworkInfo.CONNECTED,
-  NETWORK_STATE_DISCONNECTING: Ci.nsINetworkInfo.DISCONNECTING,
-  NETWORK_STATE_DISCONNECTED:  Ci.nsINetworkInfo.DISCONNECTED,
-
-  NETWORK_TYPE_WIFI:        Ci.nsINetworkInfo.NETWORK_TYPE_WIFI,
-  NETWORK_TYPE_MOBILE:      Ci.nsINetworkInfo.NETWORK_TYPE_MOBILE,
-  NETWORK_TYPE_MOBILE_MMS:  Ci.nsINetworkInfo.NETWORK_TYPE_MOBILE_MMS,
-  NETWORK_TYPE_MOBILE_SUPL: Ci.nsINetworkInfo.NETWORK_TYPE_MOBILE_SUPL,
-
-  info: {
-    QueryInterface: XPCOMUtils.generateQI([Ci.nsINetworkInfo]),
-
-    state: Ci.nsINetworkInfo.NETWORK_STATE_UNKNOWN,
-
-    type: Ci.nsINetworkInfo.NETWORK_TYPE_WIFI,
-
-    name: null,
-
-    ips: [],
-
-    prefixLengths: [],
-
-    dnses: [],
-
-    gateways: [],
-
-    getAddresses: function (ips, prefixLengths) {
-      ips.value = this.ips.slice();
-      prefixLengths.value = this.prefixLengths.slice();
-
-      return this.ips.length;
-    },
-
-    getGateways: function (count) {
-      if (count) {
-        count.value = this.gateways.length;
-      }
-      return this.gateways.slice();
-    },
-
-    getDnses: function (count) {
-      if (count) {
-        count.value = this.dnses.length;
-      }
-      return this.dnses.slice();
-    }
-  },
-
-  httpProxyHost: null,
-
-  httpProxyPort: null
-};
-
-function WifiScanResult() {}
-
-// TODO Make the difference between a DOM-based network object and our
-// networks objects much clearer.
-var netToDOM;
-var netFromDOM;
-
-function WifiWorker() {
-  var self = this;
-
-  this._mm = Cc["@mozilla.org/parentprocessmessagemanager;1"]
-               .getService(Ci.nsIMessageListenerManager);
-  const messages = ["WifiManager:getNetworks", "WifiManager:getKnownNetworks",
-                    "WifiManager:associate", "WifiManager:forget",
-                    "WifiManager:wps", "WifiManager:getState",
-                    "WifiManager:setPowerSavingMode",
-                    "WifiManager:setHttpProxy",
-                    "WifiManager:setStaticIpMode",
-                    "WifiManager:importCert",
-                    "WifiManager:getImportedCerts",
-                    "WifiManager:deleteCert",
-                    "WifiManager:setWifiEnabled",
-                    "WifiManager:setWifiTethering",
-                    "child-process-shutdown"];
-
-  messages.forEach((function(msgName) {
-    this._mm.addMessageListener(msgName, this);
-  }).bind(this));
-
-  Services.obs.addObserver(this, kMozSettingsChangedObserverTopic, false);
-  Services.obs.addObserver(this, "xpcom-shutdown", false);
-
-  this.wantScanResults = [];
-
-  this._needToEnableNetworks = false;
-  this._highestPriority = -1;
-
-  // Networks is a map from SSID -> a scan result.
-  this.networks = Object.create(null);
-
-  // ConfiguredNetworks is a map from SSID -> our view of a network. It only
-  // lists networks known to the wpa_supplicant. The SSID field (and other
-  // fields) are quoted for ease of use with WifiManager commands.
-  // Note that we don't have to worry about escaping embedded quotes since in
-  // all cases, the supplicant will take the last quotation that we pass it as
-  // the end of the string.
-  this.configuredNetworks = Object.create(null);
-  this._addingNetworks = Object.create(null);
-
-  this.currentNetwork = null;
-  this.ipAddress = "";
-  this.macAddress = null;
-
-  this._lastConnectionInfo = null;
-  this._connectionInfoTimer = null;
-  this._reconnectOnDisconnect = false;
-
-  // Create p2pObserver and assign to p2pManager.
-  if (WifiManager.p2pSupported()) {
-    this._p2pObserver = WifiP2pWorkerObserver(WifiManager.getP2pManager());
-    WifiManager.getP2pManager().setObserver(this._p2pObserver);
-
-    // Add DOM message observerd by p2pObserver to the message listener as well.
-    this._p2pObserver.getObservedDOMMessages().forEach((function(msgName) {
-      this._mm.addMessageListener(msgName, this);
-    }).bind(this));
-  }
-
-  // Users of instances of nsITimer should keep a reference to the timer until
-  // it is no longer needed in order to assure the timer is fired.
-  this._callbackTimer = null;
-
-  // XXX On some phones (Otoro and Unagi) the wifi driver doesn't play nicely
-  // with the automatic scans that wpa_supplicant does (it appears that the
-  // driver forgets that it's returned scan results and then refuses to try to
-  // rescan. In order to detect this case we start a timer when we enter the
-  // SCANNING state and reset it whenever we either get scan results or leave
-  // the SCANNING state. If the timer fires, we assume that we are stuck and
-  // forceably try to unstick the supplican, also turning on background
-  // scanning to avoid having to constantly poke the supplicant.
-
-  // How long we wait is controlled by the SCAN_STUCK_WAIT constant.
-  const SCAN_STUCK_WAIT = 12000;
-  this._scanStuckTimer = null;
-  this._turnOnBackgroundScan = false;
-
-  function startScanStuckTimer() {
-    if (WifiManager.schedScanRecovery) {
-      self._scanStuckTimer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
-      self._scanStuckTimer.initWithCallback(scanIsStuck, SCAN_STUCK_WAIT,
-                                            Ci.nsITimer.TYPE_ONE_SHOT);
-    }
-  }
-
-  function scanIsStuck() {
-    // Uh-oh, we've waited too long for scan results. Disconnect (which
-    // guarantees that we leave the SCANNING state and tells wpa_supplicant to
-    // wait for our next command) ensure that background scanning is on and
-    // then try again.
-    debug("Determined that scanning is stuck, turning on background scanning!");
-    WifiManager.handlePostWifiScan();
-    WifiManager.disconnect(function(ok) {});
-    self._turnOnBackgroundScan = true;
-  }
-
-  // A list of requests to turn wifi on or off.
-  this._stateRequests = [];
-
-  // Given a connection status network, takes a network from
-  // self.configuredNetworks and prepares it for the DOM.
-  netToDOM = function(net) {
-    if (!net) {
-      return null;
-    }
-    var ssid = dequote(net.ssid);
-    var mode = net.mode;
-    var frequency = net.frequency;
-    var security = (net.key_mgmt === "NONE" && net.wep_key0) ? ["WEP"] :
-                   (net.key_mgmt && net.key_mgmt !== "NONE") ? [net.key_mgmt.split(" ")[0]] :
-                   [];
-    var password;
-    if (("psk" in net && net.psk) ||
-        ("password" in net && net.password) ||
-        ("wep_key0" in net && net.wep_key0)) {
-      password = "*";
-    }
-
-    var pub = new Network(ssid, mode, frequency, security, password);
-    if (net.identity)
-      pub.identity = dequote(net.identity);
-    if ("netId" in net)
-      pub.known = true;
-    if (net.scan_ssid === 1)
-      pub.hidden = true;
-    if ("ca_cert" in net && net.ca_cert &&
-        net.ca_cert.indexOf("keystore://WIFI_SERVERCERT_" === 0)) {
-      pub.serverCertificate = net.ca_cert.substr(27);
-    }
-    if(net.subject_match) {
-      pub.subjectMatch = net.subject_match;
-    }
-    if ("client_cert" in net && net.client_cert &&
-        net.client_cert.indexOf("keystore://WIFI_USERCERT_" === 0)) {
-      pub.userCertificate = net.client_cert.substr(25);
-    }
-    return pub;
-  };
-
-  netFromDOM = function(net, configured) {
-    // Takes a network from the DOM and makes it suitable for insertion into
-    // self.configuredNetworks (that is calling addNetwork will do the right
-    // thing).
-    // NB: Modifies net in place: safe since we don't share objects between
-    // the dom and the chrome code.
-
-    // Things that are useful for the UI but not to us.
-    delete net.bssid;
-    delete net.signalStrength;
-    delete net.relSignalStrength;
-    delete net.security;
-    delete net.capabilities;
-
-    if (!configured)
-      configured = {};
-
-    net.ssid = quote(net.ssid);
-
-    let wep = false;
-    if ("keyManagement" in net) {
-      if (net.keyManagement === "WEP") {
-        wep = true;
-        net.keyManagement = "NONE";
-      } else if (net.keyManagement === "WPA-EAP") {
-        net.keyManagement += " IEEE8021X";
-      }
-
-      configured.key_mgmt = net.key_mgmt = net.keyManagement; // WPA2-PSK, WPA-PSK, etc.
-      delete net.keyManagement;
-    } else {
-      configured.key_mgmt = net.key_mgmt = "NONE";
-    }
-
-    if (net.hidden) {
-      configured.scan_ssid = net.scan_ssid = 1;
-      delete net.hidden;
-    }
-
-    function checkAssign(name, checkStar) {
-      if (name in net) {
-        let value = net[name];
-        if (!value || (checkStar && value === '*')) {
-          if (name in configured)
-            net[name] = configured[name];
-          else
-            delete net[name];
-        } else {
-          configured[name] = net[name] = quote(value);
-        }
-      }
-    }
-
-    checkAssign("psk", true);
-    checkAssign("identity", false);
-    checkAssign("password", true);
-    if (wep && net.wep && net.wep != '*') {
-      configured.wep_key0 = net.wep_key0 = isWepHexKey(net.wep) ? net.wep : quote(net.wep);
-      configured.auth_alg = net.auth_alg = "OPEN SHARED";
-    }
-
-    function hasValidProperty(name) {
-      return ((name in net) && net[name] != null);
-    }
-
-    if (hasValidProperty("eap")) {
-      if (hasValidProperty("pin")) {
-        net.pin = quote(net.pin);
-      }
-
-      if (hasValidProperty("phase1"))
-        net.phase1 = quote(net.phase1);
-
-      if (hasValidProperty("phase2")) {
-        if (net.phase2 === "TLS") {
-          net.phase2 = quote("autheap=" + net.phase2);
-        } else { // PAP, MSCHAPV2, etc.
-          net.phase2 = quote("auth=" + net.phase2);
-        }
-      }
-
-      if (hasValidProperty("serverCertificate"))
-        net.ca_cert = quote("keystore://WIFI_SERVERCERT_" + net.serverCertificate);
-
-      if (hasValidProperty("subjectMatch"))
-        net.subject_match = quote(net.subjectMatch);
-
-      if (hasValidProperty("userCertificate")) {
-        let userCertName = "WIFI_USERCERT_" + net.userCertificate;
-        net.client_cert = quote("keystore://" + userCertName);
-
-        let wifiCertService = Cc["@mozilla.org/wifi/certservice;1"].
-                                getService(Ci.nsIWifiCertService);
-        if (wifiCertService.hasPrivateKey(userCertName)) {
-          if (WifiManager.sdkVersion() >= 19) {
-            // Use openssol engine instead of keystore protocol after Kitkat.
-            net.engine = 1;
-            net.engine_id = quote("keystore");
-            net.key_id = quote("WIFI_USERKEY_" + net.userCertificate);
-          } else {
-            net.private_key = quote("keystore://WIFI_USERKEY_" + net.userCertificate);
-          }
-        }
-      }
-    }
-
-    return net;
-  };
-
-  WifiManager.onsupplicantconnection = function() {
-    debug("Connected to supplicant");
-    // Give it a state other than UNINITIALIZED, INITIALIZING or DISABLING
-    // defined in getter function of WifiManager.enabled. It implies that
-    // we are ready to accept dom request from applications.
-    WifiManager.state = "DISCONNECTED";
-    self._reloadConfiguredNetworks(function(ok) {
-      // Prime this.networks.
-      if (!ok)
-        return;
-
-      // The select network command we used in associate() disables others networks.
-      // Enable them here to make sure wpa_supplicant helps to connect to known
-      // network automatically.
-      self._enableAllNetworks();
-      WifiManager.saveConfig(function() {})
-    });
-
-    // Notify everybody, even if they didn't ask us to come up.
-    WifiManager.getMacAddress(function (mac) {
-      self.macAddress = mac;
-      debug("Got mac: " + mac);
-      self._fireEvent("wifiUp", { macAddress: mac });
-      self.requestDone();
-    });
-
-    if (WifiManager.state === "SCANNING")
-      startScanStuckTimer();
-  };
-
-  WifiManager.onsupplicantlost = function() {
-    WifiManager.supplicantStarted = false;
-    WifiManager.state = "UNINITIALIZED";
-    debug("Supplicant died!");
-
-    // Notify everybody, even if they didn't ask us to come up.
-    self._fireEvent("wifiDown", {});
-    self.requestDone();
-  };
-
-  WifiManager.onpasswordmaybeincorrect = function() {
-    WifiManager.authenticationFailuresCount++;
-  };
-
-  WifiManager.ondisconnected = function() {
-    // We may fail to establish the connection, re-enable the
-    // rest of our networks.
-    if (self._needToEnableNetworks) {
-      self._enableAllNetworks();
-      self._needToEnableNetworks = false;
-    }
-
-    let connectionInfo = this.connectionInfo;
-    WifiManager.getNetworkId(connectionInfo.ssid, function(netId) {
-      // Trying to get netId from current network.
-      if (!netId &&
-          self.currentNetwork && self.currentNetwork.ssid &&
-          dequote(self.currentNetwork.ssid) == connectionInfo.ssid &&
-          typeof self.currentNetwork.netId !== "undefined") {
-        netId = self.currentNetwork.netId;
-      }
-      if (netId) {
-        WifiManager.disableNetwork(netId, function() {});
-      }
-    });
-    self._fireEvent("onconnectingfailed", {network: netToDOM(self.currentNetwork)});
-  }
-
-  WifiManager.onstatechange = function() {
-    debug("State change: " + this.prevState + " -> " + this.state);
-
-    if (self._connectionInfoTimer &&
-        this.state !== "CONNECTED" &&
-        this.state !== "COMPLETED") {
-      self._stopConnectionInfoTimer();
-    }
-
-    if (this.state !== "SCANNING" &&
-        self._scanStuckTimer) {
-      self._scanStuckTimer.cancel();
-      self._scanStuckTimer = null;
-    }
-
-    switch (this.state) {
-      case "DORMANT":
-        // The dormant state is a bad state to be in since we won't
-        // automatically connect. Try to knock us out of it. We only
-        // hit this state when we've failed to run DHCP, so trying
-        // again isn't the worst thing we can do. Eventually, we'll
-        // need to detect if we're looping in this state and bail out.
-        WifiManager.reconnect(function(){});
-        break;
-      case "ASSOCIATING":
-        // id has not yet been filled in, so we can only report the ssid and
-        // bssid. mode and frequency are simply made up.
-        self.currentNetwork =
-          { bssid: WifiManager.connectionInfo.bssid,
-            ssid: quote(WifiManager.connectionInfo.ssid),
-            mode: MODE_ESS,
-            frequency: 0};
-        WifiManager.getNetworkConfiguration(self.currentNetwork, function (){
-          // Notify again because we get complete network information.
-          self._fireEvent("onconnecting", { network: netToDOM(self.currentNetwork) });
-        });
-        break;
-      case "ASSOCIATED":
-        // set to full power mode when ready to do 4 way handsharke.
-        WifiManager.setPowerSavingMode(false);
-        if (!self.currentNetwork) {
-          self.currentNetwork =
-            { bssid: WifiManager.connectionInfo.bssid,
-              ssid: quote(WifiManager.connectionInfo.ssid) };
-        }
-        self.currentNetwork.netId = this.id;
-        WifiManager.getNetworkConfiguration(self.currentNetwork, function (){
-          // Notify again because we get complete network information.
-          self._fireEvent("onconnecting", { network: netToDOM(self.currentNetwork) });
-        });
-        break;
-      case "COMPLETED":
-        // Now that we've successfully completed the connection, re-enable the
-        // rest of our networks.
-        // XXX Need to do this eventually if the user entered an incorrect
-        // password. For now, we require user interaction to break the loop and
-        // select a better network!
-        if (self._needToEnableNetworks) {
-          self._enableAllNetworks();
-          self._needToEnableNetworks = false;
-        }
-
-        var _oncompleted = function() {
-          // The full authentication process is completed, reset the count.
-          WifiManager.authenticationFailuresCount = 0;
-          WifiManager.loopDetectionCount = 0;
-          self._startConnectionInfoTimer();
-          self._fireEvent("onassociate", { network: netToDOM(self.currentNetwork) });
-        };
-
-        // We get the ASSOCIATED event when we've associated but not connected, so
-        // wait until the handshake is complete.
-        if (this.fromStatus || !self.currentNetwork) {
-          // In this case, we connected to an already-connected wpa_supplicant,
-          // because of that we need to gather information about the current
-          // network here.
-          self.currentNetwork = { bssid: WifiManager.connectionInfo.bssid,
-                                  ssid: quote(WifiManager.connectionInfo.ssid),
-                                  netId: WifiManager.connectionInfo.id };
-          WifiManager.getNetworkConfiguration(self.currentNetwork, _oncompleted);
-        } else {
-          _oncompleted();
-        }
-        break;
-      case "CONNECTED":
-        // wifi connection complete, turn on the power saving mode.
-        WifiManager.setPowerSavingMode(true);
-        // BSSID is read after connected, update it.
-        self.currentNetwork.bssid = WifiManager.connectionInfo.bssid;
-        break;
-      case "DISCONNECTED":
-        // wpa_supplicant may give us a "DISCONNECTED" event even if
-        // we are already in "DISCONNECTED" state.
-        if ((WifiNetworkInterface.info.state ===
-             Ci.nsINetworkInfo.NETWORK_STATE_DISCONNECTED) &&
-             (this.prevState === "INITIALIZING" ||
-              this.prevState === "DISCONNECTED" ||
-              this.prevState === "INTERFACE_DISABLED" ||
-              this.prevState === "INACTIVE" ||
-              this.prevState === "UNINITIALIZED")) {
-          // When in disconnected mode, need to turn on wifi power saving mode.
-          WifiManager.setPowerSavingMode(true);
-          return;
-        }
-
-        self._fireEvent("ondisconnect", {network: netToDOM(self.currentNetwork)});
-
-        self.currentNetwork = null;
-        self.ipAddress = "";
-
-        if (self._turnOnBackgroundScan) {
-          self._turnOnBackgroundScan = false;
-          WifiManager.setBackgroundScan("ON", function(did_something, ok) {
-            WifiManager.reassociate(function() {});
-          });
-        }
-
-        WifiManager.connectionDropped(function() {
-          // We've disconnected from a network because of a call to forgetNetwork.
-          // Reconnect to the next available network (if any).
-          if (self._reconnectOnDisconnect) {
-            self._reconnectOnDisconnect = false;
-            WifiManager.reconnect(function(){});
-          }
-        });
-
-        WifiNetworkInterface.info.state =
-          Ci.nsINetworkInfo.NETWORK_STATE_DISCONNECTED;
-
-        // Update network infterface first then clear properties.
-        gNetworkManager.updateNetworkInterface(WifiNetworkInterface);
-        WifiNetworkInterface.info.ips = [];
-        WifiNetworkInterface.info.prefixLengths = [];
-        WifiNetworkInterface.info.gateways = [];
-        WifiNetworkInterface.info.dnses = [];
-
-
-        break;
-      case "WPS_TIMEOUT":
-        self._fireEvent("onwpstimeout", {});
-        break;
-      case "WPS_FAIL":
-        self._fireEvent("onwpsfail", {});
-        break;
-      case "WPS_OVERLAP_DETECTED":
-        self._fireEvent("onwpsoverlap", {});
-        break;
-      case "AUTHENTICATING":
-        self._fireEvent("onauthenticating", {network: netToDOM(self.currentNetwork)});
-        break;
-      case "SCANNING":
-        // If we're already scanning in the background, we don't need to worry
-        // about getting stuck while scanning.
-        if (!WifiManager.backgroundScanEnabled && WifiManager.enabled)
-          startScanStuckTimer();
-        break;
-    }
-  };
-
-  WifiManager.onnetworkconnected = function() {
-    if (!this.info || !this.info.ipaddr_str) {
-      debug("Network information is invalid.");
-      return;
-    }
-
-    let maskLength =
-      netHelpers.getMaskLength(netHelpers.stringToIP(this.info.mask_str));
-    if (!maskLength) {
-      maskLength = 32; // max prefix for IPv4.
-    }
-
-    let netConnect = WifiManager.getHttpProxyNetwork(self.currentNetwork);
-    if (netConnect) {
-      WifiNetworkInterface.httpProxyHost = netConnect.httpProxyHost;
-      WifiNetworkInterface.httpProxyPort = netConnect.httpProxyPort;
-    }
-
-    WifiNetworkInterface.info.state =
-      Ci.nsINetworkInfo.NETWORK_STATE_CONNECTED;
-    WifiNetworkInterface.info.ips = [this.info.ipaddr_str];
-    WifiNetworkInterface.info.prefixLengths = [maskLength];
-    WifiNetworkInterface.info.gateways = [this.info.gateway_str];
-    if (typeof this.info.dns1_str == "string" &&
-        this.info.dns1_str.length) {
-      WifiNetworkInterface.info.dnses.push(this.info.dns1_str);
-    }
-    if (typeof this.info.dns2_str == "string" &&
-        this.info.dns2_str.length) {
-      WifiNetworkInterface.info.dnses.push(this.info.dns2_str);
-    }
-    gNetworkManager.updateNetworkInterface(WifiNetworkInterface);
-
-    self.ipAddress = this.info.ipaddr_str;
-
-    // We start the connection information timer when we associate, but
-    // don't have our IP address until here. Make sure that we fire a new
-    // connectionInformation event with the IP address the next time the
-    // timer fires.
-    self._lastConnectionInfo = null;
-    self._fireEvent("onconnect", { network: netToDOM(self.currentNetwork) });
-  };
-
-  WifiManager.onscanresultsavailable = function() {
-    if (self._scanStuckTimer) {
-      // We got scan results! We must not be stuck for now, try again.
-      self._scanStuckTimer.cancel();
-      self._scanStuckTimer.initWithCallback(scanIsStuck, SCAN_STUCK_WAIT,
-                                            Ci.nsITimer.TYPE_ONE_SHOT);
-    }
-
-    if (self.wantScanResults.length === 0) {
-      debug("Scan results available, but we don't need them");
-      return;
-    }
-
-    debug("Scan results are available! Asking for them.");
-    WifiManager.getScanResults(function(r) {
-      // Failure.
-      if (!r) {
-        self.wantScanResults.forEach(function(callback) { callback(null) });
-        self.wantScanResults = [];
-        return;
-      }
-
-      let capabilities = WifiManager.getCapabilities();
-
-      // Now that we have scan results, there's no more need to continue
-      // scanning. Ignore any errors from this command.
-      WifiManager.setScanMode("inactive", function() {});
-      let lines = r.split("\n");
-      // NB: Skip the header line.
-      self.networksArray = [];
-      for (let i = 1; i < lines.length; ++i) {
-        // bssid / frequency / signal level / flags / ssid
-        var match = /([\S]+)\s+([\S]+)\s+([\S]+)\s+(\[[\S]+\])?\s(.*)/.exec(lines[i]);
-
-        if (match && match[5]) {
-          let ssid = match[5],
-              bssid = match[1],
-              frequency = match[2],
-              signalLevel = match[3],
-              flags = match[4];
-
-          /* Skip networks with unknown or unsupported modes. */
-          if (capabilities.mode.indexOf(getMode(flags)) == -1)
-            continue;
-
-          // If this is the first time that we've seen this SSID in the scan
-          // results, add it to the list along with any other information.
-          // Also, we use the highest signal strength that we see.
-          let network = new ScanResult(ssid, bssid, frequency, flags, signalLevel);
-
-          let networkKey = getNetworkKey(network);
-          let eapIndex = -1;
-          if (networkKey in self.configuredNetworks) {
-            let known = self.configuredNetworks[networkKey];
-            network.known = true;
-
-            if ("identity" in known && known.identity)
-              network.identity = dequote(known.identity);
-
-            // Note: we don't hand out passwords here! The * marks that there
-            // is a password that we're hiding.
-            if (("psk" in known && known.psk) ||
-                ("password" in known && known.password) ||
-                ("wep_key0" in known && known.wep_key0)) {
-              network.password = "*";
-            }
-          }
-
-          self.networksArray.push(network);
-          if (network.bssid === WifiManager.connectionInfo.bssid)
-            network.connected = true;
-
-          let signal = calculateSignal(Number(match[3]));
-          if (signal > network.relSignalStrength)
-            network.relSignalStrength = signal;
-        } else if (!match) {
-          debug("Match didn't find anything for: " + lines[i]);
-        }
-      }
-
-      self.wantScanResults.forEach(function(callback) { callback(self.networksArray) });
-      self.wantScanResults = [];
-    });
-  };
-
-  WifiManager.onstationinfoupdate = function() {
-    self._fireEvent("stationinfoupdate", { station: this.station });
-  };
-
-  WifiManager.onstopconnectioninfotimer = function() {
-    self._stopConnectionInfoTimer();
-  };
-
-  // Read the 'wifi.enabled' setting in order to start with a known
-  // value at boot time. The handle() will be called after reading.
-  //
-  // nsISettingsServiceCallback implementation.
-  var initWifiEnabledCb = {
-    handle: function handle(aName, aResult) {
-      if (aName !== SETTINGS_WIFI_ENABLED)
-        return;
-      if (aResult === null)
-        aResult = true;
-      self.handleWifiEnabled(aResult);
-    },
-    handleError: function handleError(aErrorMessage) {
-      debug("Error reading the 'wifi.enabled' setting. Default to wifi on.");
-      self.handleWifiEnabled(true);
-    }
-  };
-
-  var initWifiDebuggingEnabledCb = {
-    handle: function handle(aName, aResult) {
-      if (aName !== SETTINGS_WIFI_DEBUG_ENABLED)
-        return;
-      if (aResult === null)
-        aResult = false;
-      DEBUG = aResult;
-      updateDebug();
-    },
-    handleError: function handleError(aErrorMessage) {
-      debug("Error reading the 'wifi.debugging.enabled' setting. Default to debugging off.");
-      DEBUG = false;
-      updateDebug();
-    }
-  };
-
-  this.initTetheringSettings();
-
-  let lock = gSettingsService.createLock();
-  lock.get(SETTINGS_WIFI_ENABLED, initWifiEnabledCb);
-  lock.get(SETTINGS_WIFI_DEBUG_ENABLED, initWifiDebuggingEnabledCb);
-
-  lock.get(SETTINGS_WIFI_SSID, this);
-  lock.get(SETTINGS_WIFI_SECURITY_TYPE, this);
-  lock.get(SETTINGS_WIFI_SECURITY_PASSWORD, this);
-  lock.get(SETTINGS_WIFI_IP, this);
-  lock.get(SETTINGS_WIFI_PREFIX, this);
-  lock.get(SETTINGS_WIFI_DHCPSERVER_STARTIP, this);
-  lock.get(SETTINGS_WIFI_DHCPSERVER_ENDIP, this);
-  lock.get(SETTINGS_WIFI_DNS1, this);
-  lock.get(SETTINGS_WIFI_DNS2, this);
-  lock.get(SETTINGS_WIFI_TETHERING_ENABLED, this);
-
-  lock.get(SETTINGS_USB_DHCPSERVER_STARTIP, this);
-  lock.get(SETTINGS_USB_DHCPSERVER_ENDIP, this);
-
-  this._wifiTetheringSettingsToRead = [SETTINGS_WIFI_SSID,
-                                       SETTINGS_WIFI_SECURITY_TYPE,
-                                       SETTINGS_WIFI_SECURITY_PASSWORD,
-                                       SETTINGS_WIFI_IP,
-                                       SETTINGS_WIFI_PREFIX,
-                                       SETTINGS_WIFI_DHCPSERVER_STARTIP,
-                                       SETTINGS_WIFI_DHCPSERVER_ENDIP,
-                                       SETTINGS_WIFI_DNS1,
-                                       SETTINGS_WIFI_DNS2,
-                                       SETTINGS_WIFI_TETHERING_ENABLED,
-                                       SETTINGS_USB_DHCPSERVER_STARTIP,
-                                       SETTINGS_USB_DHCPSERVER_ENDIP];
-}
-
-function translateState(state) {
-  switch (state) {
-    case "INTERFACE_DISABLED":
-    case "INACTIVE":
-    case "SCANNING":
-    case "DISCONNECTED":
-    default:
-      return "disconnected";
-
-    case "AUTHENTICATING":
-    case "ASSOCIATING":
-    case "ASSOCIATED":
-    case "FOUR_WAY_HANDSHAKE":
-    case "GROUP_HANDSHAKE":
-      return "connecting";
-
-    case "COMPLETED":
-      return WifiManager.getDhcpInfo() ? "connected" : "associated";
-  }
-}
-
-WifiWorker.prototype = {
-  classID:   WIFIWORKER_CID,
-  classInfo: XPCOMUtils.generateCI({classID: WIFIWORKER_CID,
-                                    contractID: WIFIWORKER_CONTRACTID,
-                                    classDescription: "WifiWorker",
-                                    interfaces: [Ci.nsIWorkerHolder,
-                                                 Ci.nsIWifi,
-                                                 Ci.nsIObserver]}),
-
-  QueryInterface: XPCOMUtils.generateQI([Ci.nsIWorkerHolder,
-                                         Ci.nsIWifi,
-                                         Ci.nsIObserver,
-                                         Ci.nsISettingsServiceCallback]),
-
-  disconnectedByWifi: false,
-
-  disconnectedByWifiTethering: false,
-
-  _wifiTetheringSettingsToRead: [],
-
-  _oldWifiTetheringEnabledState: null,
-
-  tetheringSettings: {},
-
-  initTetheringSettings: function initTetheringSettings() {
-    this.tetheringSettings[SETTINGS_WIFI_TETHERING_ENABLED] = null;
-    this.tetheringSettings[SETTINGS_WIFI_SSID] = DEFAULT_WIFI_SSID;
-    this.tetheringSettings[SETTINGS_WIFI_SECURITY_TYPE] = DEFAULT_WIFI_SECURITY_TYPE;
-    this.tetheringSettings[SETTINGS_WIFI_SECURITY_PASSWORD] = DEFAULT_WIFI_SECURITY_PASSWORD;
-    this.tetheringSettings[SETTINGS_WIFI_IP] = DEFAULT_WIFI_IP;
-    this.tetheringSettings[SETTINGS_WIFI_PREFIX] = DEFAULT_WIFI_PREFIX;
-    this.tetheringSettings[SETTINGS_WIFI_DHCPSERVER_STARTIP] = DEFAULT_WIFI_DHCPSERVER_STARTIP;
-    this.tetheringSettings[SETTINGS_WIFI_DHCPSERVER_ENDIP] = DEFAULT_WIFI_DHCPSERVER_ENDIP;
-    this.tetheringSettings[SETTINGS_WIFI_DNS1] = DEFAULT_DNS1;
-    this.tetheringSettings[SETTINGS_WIFI_DNS2] = DEFAULT_DNS2;
-
-    this.tetheringSettings[SETTINGS_USB_DHCPSERVER_STARTIP] = DEFAULT_USB_DHCPSERVER_STARTIP;
-    this.tetheringSettings[SETTINGS_USB_DHCPSERVER_ENDIP] = DEFAULT_USB_DHCPSERVER_ENDIP;
-  },
-
-  // Internal methods.
-  waitForScan: function(callback) {
-    this.wantScanResults.push(callback);
-  },
-
-  // In order to select a specific network, we disable the rest of the
-  // networks known to us. However, in general, we want the supplicant to
-  // connect to which ever network it thinks is best, so when we select the
-  // proper network (or fail to), we need to re-enable the rest.
-  _enableAllNetworks: function() {
-    for (let key in this.configuredNetworks) {
-      let net = this.configuredNetworks[key];
-      WifiManager.enableNetwork(net.netId, false, function(ok) {
-        net.disabled = ok ? 1 : 0;
-      });
-    }
-  },
-
-  _startConnectionInfoTimer: function() {
-    if (this._connectionInfoTimer)
-      return;
-
-    var self = this;
-    function getConnectionInformation() {
-      WifiManager.getConnectionInfo(function(connInfo) {
-        // See comments in calculateSignal for information about this.
-        if (!connInfo) {
-          self._lastConnectionInfo = null;
-          return;
-        }
-
-        let { rssi, linkspeed } = connInfo;
-        if (rssi > 0)
-          rssi -= 256;
-        if (rssi <= MIN_RSSI)
-          rssi = MIN_RSSI;
-        else if (rssi >= MAX_RSSI)
-          rssi = MAX_RSSI;
-
-        let info = { signalStrength: rssi,
-                     relSignalStrength: calculateSignal(rssi),
-                     linkSpeed: linkspeed,
-                     ipAddress: self.ipAddress };
-        let last = self._lastConnectionInfo;
-
-        // Only fire the event if the link speed changed or the signal
-        // strength changed by more than 10%.
-        function tensPlace(percent) {
-          return (percent / 10) | 0;
-        }
-
-        if (last && last.linkSpeed === info.linkSpeed &&
-            last.ipAddress === info.ipAddress &&
-            tensPlace(last.relSignalStrength) === tensPlace(info.relSignalStrength)) {
-          return;
-        }
-
-        self._lastConnectionInfo = info;
-        debug("Firing connectioninfoupdate: " + uneval(info));
-        self._fireEvent("connectioninfoupdate", info);
-      });
-    }
-
-    // Prime our _lastConnectionInfo immediately and fire the event at the
-    // same time.
-    getConnectionInformation();
-
-    // Now, set up the timer for regular updates.
-    this._connectionInfoTimer =
-      Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
-    this._connectionInfoTimer.init(getConnectionInformation, 5000,
-                                   Ci.nsITimer.TYPE_REPEATING_SLACK);
-  },
-
-  _stopConnectionInfoTimer: function() {
-    if (!this._connectionInfoTimer)
-      return;
-
-    this._connectionInfoTimer.cancel();
-    this._connectionInfoTimer = null;
-    this._lastConnectionInfo = null;
-  },
-
-  _reloadConfiguredNetworks: function(callback) {
-    WifiManager.getConfiguredNetworks((function(networks) {
-      if (!networks) {
-        debug("Unable to get configured networks");
-        callback(false);
-        return;
-      }
-
-      this._highestPriority = -1;
-
-      // Convert between netId-based and ssid-based indexing.
-      for (let net in networks) {
-        let network = networks[net];
-        delete networks[net];
-
-        if (!network.ssid) {
-          WifiManager.removeNetwork(network.netId, function() {});
-          continue;
-        }
-
-        if (network.hasOwnProperty("priority") &&
-            network.priority > this._highestPriority) {
-          this._highestPriority = network.priority;
-        }
-
-        let networkKey = getNetworkKey(network);
-        // Accept latest config of same network(same SSID and same security).
-        if (networks[networkKey]) {
-          WifiManager.removeNetwork(networks[networkKey].netId, function() {});
-        }
-        networks[networkKey] = network;
-      }
-
-      this.configuredNetworks = networks;
-      callback(true);
-    }).bind(this));
-  },
-
-  // Important side effect: calls WifiManager.saveConfig.
-  _reprioritizeNetworks: function(callback) {
-    // First, sort the networks in orer of their priority.
-    var ordered = Object.getOwnPropertyNames(this.configuredNetworks);
-    let self = this;
-    ordered.sort(function(a, b) {
-      var neta = self.configuredNetworks[a],
-          netb = self.configuredNetworks[b];
-
-      // Sort unsorted networks to the end of the list.
-      if (isNaN(neta.priority))
-        return isNaN(netb.priority) ? 0 : 1;
-      if (isNaN(netb.priority))
-        return -1;
-      return netb.priority - neta.priority;
-    });
-
-    // Skip unsorted networks.
-    let newPriority = 0, i;
-    for (i = ordered.length - 1; i >= 0; --i) {
-      if (!isNaN(this.configuredNetworks[ordered[i]].priority))
-        break;
-    }
-
-    // No networks we care about?
-    if (i < 0) {
-      WifiManager.saveConfig(callback);
-      return;
-    }
-
-    // Now assign priorities from 0 to length, starting with the smallest
-    // priority and heading towards the highest (note the dependency between
-    // total and i here).
-    let done = 0, errors = 0, total = i + 1;
-    for (; i >= 0; --i) {
-      let network = this.configuredNetworks[ordered[i]];
-      network.priority = newPriority++;
-
-      // Note: networkUpdated declared below since it happens logically after
-      // this loop.
-      WifiManager.updateNetwork(network, networkUpdated);
-    }
-
-    function networkUpdated(ok) {
-      if (!ok)
-        ++errors;
-      if (++done === total) {
-        if (errors > 0) {
-          callback(false);
-          return;
-        }
-
-        WifiManager.saveConfig(function(ok) {
-          if (!ok) {
-            callback(false);
-            return;
-          }
-
-          self._reloadConfiguredNetworks(function(ok) {
-            callback(ok);
-          });
-        });
-      }
-    }
-  },
-
-  // nsIWifi
-
-  _domManagers: [],
-  _fireEvent: function(message, data) {
-    this._domManagers.forEach(function(manager) {
-      // Note: We should never have a dead message manager here because we
-      // observe our child message managers shutting down, below.
-      manager.sendAsyncMessage("WifiManager:" + message, data);
-    });
-  },
-
-  _sendMessage: function(message, success, data, msg) {
-    try {
-      msg.manager.sendAsyncMessage(message + (success ? ":OK" : ":NO"),
-                                   { data: data, rid: msg.rid, mid: msg.mid });
-    } catch (e) {
-      debug("sendAsyncMessage error : " + e);
-    }
-    this._splicePendingRequest(msg);
-  },
-
-  _domRequest: [],
-
-  _splicePendingRequest: function(msg) {
-    for (let i = 0; i < this._domRequest.length; i++) {
-      if (this._domRequest[i].msg === msg) {
-        this._domRequest.splice(i, 1);
-        return;
-      }
-    }
-  },
-
-  _clearPendingRequest: function() {
-    if (this._domRequest.length === 0) return;
-    this._domRequest.forEach((function(req) {
-      this._sendMessage(req.name + ":Return", false, "Wifi is disabled", req.msg);
-    }).bind(this));
-  },
-
-  receiveMessage: function MessageManager_receiveMessage(aMessage) {
-    let msg = aMessage.data || {};
-    msg.manager = aMessage.target;
-
-    if (WifiManager.p2pSupported()) {
-      // If p2pObserver returns something truthy, return it!
-      // Otherwise, continue to do the rest of tasks.
-      var p2pRet = this._p2pObserver.onDOMMessage(aMessage);
-      if (p2pRet) {
-        return p2pRet;
-      }
-    }
-
-    // Note: By the time we receive child-process-shutdown, the child process
-    // has already forgotten its permissions so we do this before the
-    // permissions check.
-    if (aMessage.name === "child-process-shutdown") {
-      let i;
-      if ((i = this._domManagers.indexOf(msg.manager)) != -1) {
-        this._domManagers.splice(i, 1);
-      }
-      for (i = this._domRequest.length - 1; i >= 0; i--) {
-        if (this._domRequest[i].msg.manager === msg.manager) {
-          this._domRequest.splice(i, 1);
-        }
-      }
-      return;
-    }
-
-    if (!aMessage.target.assertPermission("wifi-manage")) {
-      return;
-    }
-
-    // We are interested in DOMRequests only.
-    if (aMessage.name != "WifiManager:getState") {
-      this._domRequest.push({name: aMessage.name, msg:msg});
-    }
-
-    switch (aMessage.name) {
-      case "WifiManager:setWifiEnabled":
-        this.setWifiEnabled(msg);
-        break;
-      case "WifiManager:getNetworks":
-        this.getNetworks(msg);
-        break;
-      case "WifiManager:getKnownNetworks":
-        this.getKnownNetworks(msg);
-        break;
-      case "WifiManager:associate":
-        this.associate(msg);
-        break;
-      case "WifiManager:forget":
-        this.forget(msg);
-        break;
-      case "WifiManager:wps":
-        this.wps(msg);
-        break;
-      case "WifiManager:setPowerSavingMode":
-        this.setPowerSavingMode(msg);
-        break;
-      case "WifiManager:setHttpProxy":
-        this.setHttpProxy(msg);
-        break;
-      case "WifiManager:setStaticIpMode":
-        this.setStaticIpMode(msg);
-        break;
-      case "WifiManager:importCert":
-        this.importCert(msg);
-        break;
-      case "WifiManager:getImportedCerts":
-        this.getImportedCerts(msg);
-        break;
-      case "WifiManager:deleteCert":
-        this.deleteCert(msg);
-        break;
-      case "WifiManager:setWifiTethering":
-        this.setWifiTethering(msg);
-        break;
-      case "WifiManager:getState": {
-        let i;
-        if ((i = this._domManagers.indexOf(msg.manager)) === -1) {
-          this._domManagers.push(msg.manager);
-        }
-
-        let net = this.currentNetwork ? netToDOM(this.currentNetwork) : null;
-        return { network: net,
-                 connectionInfo: this._lastConnectionInfo,
-                 enabled: WifiManager.enabled,
-                 status: translateState(WifiManager.state),
-                 macAddress: this.macAddress,
-                 capabilities: WifiManager.getCapabilities()};
-      }
-    }
-  },
-
-  getNetworks: function(msg) {
-    const message = "WifiManager:getNetworks:Return";
-    if (!WifiManager.enabled) {
-      this._sendMessage(message, false, "Wifi is disabled", msg);
-      return;
-    }
-
-    let sent = false;
-    let callback = (function (networks) {
-      if (sent)
-        return;
-      sent = true;
-      this._sendMessage(message, networks !== null, networks, msg);
-    }).bind(this);
-    this.waitForScan(callback);
-
-    WifiManager.scan(true, (function(ok) {
-      // If the scan command succeeded, we're done.
-      if (ok)
-        return;
-
-      // Avoid sending multiple responses.
-      if (sent)
-        return;
-
-      // Otherwise, let the client know that it failed, it's responsible for
-      // trying again in a few seconds.
-      sent = true;
-      this._sendMessage(message, false, "ScanFailed", msg);
-    }).bind(this));
-  },
-
-  getWifiScanResults: function(callback) {
-    var count = 0;
-    var timer = null;
-    var self = this;
-
-    if (!WifiManager.enabled) {
-      callback.onfailure();
-      return;
-    }
-
-    self.waitForScan(waitForScanCallback);
-    doScan();
-    function doScan() {
-      WifiManager.scan(true, (function (ok) {
-        if (!ok) {
-          if (!timer) {
-            count = 0;
-            timer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
-          }
-
-          if (count++ >= 3) {
-            timer = null;
-            self.wantScanResults.splice(self.wantScanResults.indexOf(waitForScanCallback), 1);
-            callback.onfailure();
-            return;
-          }
-
-          // Else it's still running, continue waiting.
-          timer.initWithCallback(doScan, 10000, Ci.nsITimer.TYPE_ONE_SHOT);
-          return;
-        }
-      }).bind(this));
-    }
-
-    function waitForScanCallback(networks) {
-      if (networks === null) {
-        callback.onfailure();
-        return;
-      }
-
-      var wifiScanResults = new Array();
-      var net;
-      for (let net in networks) {
-        let value = networks[net];
-        wifiScanResults.push(transformResult(value));
-      }
-      callback.onready(wifiScanResults.length, wifiScanResults);
-    }
-
-    function transformResult(element) {
-      var result = new WifiScanResult();
-      result.connected = false;
-      for (let id in element) {
-        if (id === "__exposedProps__") {
-          continue;
-        }
-        if (id === "security") {
-          result[id] = 0;
-          var security = element[id];
-          for (let j = 0; j < security.length; j++) {
-            if (security[j] === "WPA-PSK") {
-              result[id] |= Ci.nsIWifiScanResult.WPA_PSK;
-            } else if (security[j] === "WPA-EAP") {
-              result[id] |= Ci.nsIWifiScanResult.WPA_EAP;
-            } else if (security[j] === "WEP") {
-              result[id] |= Ci.nsIWifiScanResult.WEP;
-            } else {
-             result[id] = 0;
-            }
-          }
-        } else {
-          result[id] = element[id];
-        }
-      }
-      return result;
-    }
-  },
-
-  getKnownNetworks: function(msg) {
-    const message = "WifiManager:getKnownNetworks:Return";
-    if (!WifiManager.enabled) {
-      this._sendMessage(message, false, "Wifi is disabled", msg);
-      return;
-    }
-
-    this._reloadConfiguredNetworks((function(ok) {
-      if (!ok) {
-        this._sendMessage(message, false, "Failed", msg);
-        return;
-      }
-
-      var networks = [];
-      for (let networkKey in this.configuredNetworks) {
-        networks.push(netToDOM(this.configuredNetworks[networkKey]));
-      }
-
-      this._sendMessage(message, true, networks, msg);
-    }).bind(this));
-  },
-
-  _setWifiEnabledCallback: function(status) {
-    if (status !== 0) {
-      this.requestDone();
-      return;
-    }
-
-    // If we're enabling ourselves, then wait until we've connected to the
-    // supplicant to notify. If we're disabling, we take care of this in
-    // supplicantlost.
-    if (WifiManager.supplicantStarted)
-      WifiManager.start();
-  },
-
-  /**
-   * Compatibility flags for detecting if Gaia is controlling wifi by settings
-   * or API, once API is called, gecko will no longer accept wifi enable
-   * control from settings.
-   * This is used to deal with compatibility issue while Gaia adopted to use
-   * API but gecko doesn't remove the settings code in time.
-   * TODO: Remove this flag in Bug 1050147
-   */
-  ignoreWifiEnabledFromSettings: false,
-  setWifiEnabled: function(msg) {
-    const message = "WifiManager:setWifiEnabled:Return";
-    let self = this;
-    let enabled = msg.data;
-
-    self.ignoreWifiEnabledFromSettings = true;
-    // No change.
-    if (enabled === WifiManager.enabled) {
-      this._sendMessage(message, true, true, msg);
-      return;
-    }
-
-    // Can't enable wifi while hotspot mode is enabled.
-    if (enabled && (this.tetheringSettings[SETTINGS_WIFI_TETHERING_ENABLED] ||
-        WifiManager.isWifiTetheringEnabled(WifiManager.tetheringState))) {
-      self._sendMessage(message, false, "Can't enable Wifi while hotspot mode is enabled", msg);
-      return;
-    }
-
-    WifiManager.setWifiEnabled(enabled, function(ok) {
-      if (ok === 0 || ok === "no change") {
-        self._sendMessage(message, true, true, msg);
-
-        // Reply error to pending requests.
-        if (!enabled) {
-          self._clearPendingRequest();
-        } else {
-          WifiManager.start();
-        }
-      } else {
-        self._sendMessage(message, false, "Set wifi enabled failed", msg);
-      }
-    });
-  },
-
-  _setWifiEnabled: function(enabled, callback) {
-    // Reply error to pending requests.
-    if (!enabled) {
-      this._clearPendingRequest();
-    }
-
-    WifiManager.setWifiEnabled(enabled, callback);
-  },
-
-  // requestDone() must be called to before callback complete(or error)
-  // so next queue in the request quene can be executed.
-  // TODO: Remove command queue in Bug 1050147
-  queueRequest: function(data, callback) {
-    if (!callback) {
-        throw "Try to enqueue a request without callback";
-    }
-
-    let optimizeCommandList = ["setWifiEnabled", "setWifiApEnabled"];
-    if (optimizeCommandList.indexOf(data.command) != -1) {
-      this._stateRequests = this._stateRequests.filter(function(element) {
-        return element.data.command !== data.command;
-      });
-    }
-
-    this._stateRequests.push({
-      data: data,
-      callback: callback
-    });
-
-    this.nextRequest();
-  },
-
-  getWifiTetheringParameters: function getWifiTetheringParameters(enable) {
-    if (this.useTetheringAPI) {
-      return this.getWifiTetheringConfiguration(enable);
-    } else {
-      return this.getWifiTetheringParametersBySetting(enable);
-    }
-  },
-
-  getWifiTetheringConfiguration: function getWifiTetheringConfiguration(enable) {
-    let config = {};
-    let params = this.tetheringConfig;
-
-    let check = function(field, _default) {
-      config[field] = field in params ? params[field] : _default;
-    };
-
-    check("ssid", DEFAULT_WIFI_SSID);
-    check("security", DEFAULT_WIFI_SECURITY_TYPE);
-    check("key", DEFAULT_WIFI_SECURITY_PASSWORD);
-    check("ip", DEFAULT_WIFI_IP);
-    check("prefix", DEFAULT_WIFI_PREFIX);
-    check("wifiStartIp", DEFAULT_WIFI_DHCPSERVER_STARTIP);
-    check("wifiEndIp", DEFAULT_WIFI_DHCPSERVER_ENDIP);
-    check("usbStartIp", DEFAULT_USB_DHCPSERVER_STARTIP);
-    check("usbEndIp", DEFAULT_USB_DHCPSERVER_ENDIP);
-    check("dns1", DEFAULT_DNS1);
-    check("dns2", DEFAULT_DNS2);
-
-    config.enable = enable;
-    config.mode = enable ? WIFI_FIRMWARE_AP : WIFI_FIRMWARE_STATION;
-    config.link = enable ? NETWORK_INTERFACE_UP : NETWORK_INTERFACE_DOWN;
-
-    // Check the format to prevent netd from crash.
-    if (enable && (!config.ssid || config.ssid == "")) {
-      debug("Invalid SSID value.");
-      return null;
-    }
-
-    if (enable && (config.security != WIFI_SECURITY_TYPE_NONE && !config.key)) {
-      debug("Invalid security password.");
-      return null;
-    }
-
-    // Using the default values here until application supports these settings.
-    if (config.ip == "" || config.prefix == "" ||
-        config.wifiStartIp == "" || config.wifiEndIp == "" ||
-        config.usbStartIp == "" || config.usbEndIp == "") {
-      debug("Invalid subnet information.");
-      return null;
-    }
-
-    return config;
-  },
-
-  getWifiTetheringParametersBySetting: function getWifiTetheringParametersBySetting(enable) {
-    let ssid;
-    let securityType;
-    let securityId;
-    let interfaceIp;
-    let prefix;
-    let wifiDhcpStartIp;
-    let wifiDhcpEndIp;
-    let usbDhcpStartIp;
-    let usbDhcpEndIp;
-    let dns1;
-    let dns2;
-
-    ssid = this.tetheringSettings[SETTINGS_WIFI_SSID];
-    securityType = this.tetheringSettings[SETTINGS_WIFI_SECURITY_TYPE];
-    securityId = this.tetheringSettings[SETTINGS_WIFI_SECURITY_PASSWORD];
-    interfaceIp = this.tetheringSettings[SETTINGS_WIFI_IP];
-    prefix = this.tetheringSettings[SETTINGS_WIFI_PREFIX];
-    wifiDhcpStartIp = this.tetheringSettings[SETTINGS_WIFI_DHCPSERVER_STARTIP];
-    wifiDhcpEndIp = this.tetheringSettings[SETTINGS_WIFI_DHCPSERVER_ENDIP];
-    usbDhcpStartIp = this.tetheringSettings[SETTINGS_USB_DHCPSERVER_STARTIP];
-    usbDhcpEndIp = this.tetheringSettings[SETTINGS_USB_DHCPSERVER_ENDIP];
-    dns1 = this.tetheringSettings[SETTINGS_WIFI_DNS1];
-    dns2 = this.tetheringSettings[SETTINGS_WIFI_DNS2];
-
-    // Check the format to prevent netd from crash.
-    if (!ssid || ssid == "") {
-      debug("Invalid SSID value.");
-      return null;
-    }
-    // Truncate ssid if its length of encoded to utf8 is longer than 32.
-    while (unescape(encodeURIComponent(ssid)).length > 32)
-    {
-      ssid = ssid.substring(0, ssid.length-1);
-    }
-
-    if (securityType != WIFI_SECURITY_TYPE_NONE &&
-        securityType != WIFI_SECURITY_TYPE_WPA_PSK &&
-        securityType != WIFI_SECURITY_TYPE_WPA2_PSK) {
-
-      debug("Invalid security type.");
-      return null;
-    }
-    if (securityType != WIFI_SECURITY_TYPE_NONE && !securityId) {
-      debug("Invalid security password.");
-      return null;
-    }
-    // Using the default values here until application supports these settings.
-    if (interfaceIp == "" || prefix == "" ||
-        wifiDhcpStartIp == "" || wifiDhcpEndIp == "" ||
-        usbDhcpStartIp == "" || usbDhcpEndIp == "") {
-      debug("Invalid subnet information.");
-      return null;
-    }
-
-    return {
-      ssid: ssid,
-      security: securityType,
-      key: securityId,
-      ip: interfaceIp,
-      prefix: prefix,
-      wifiStartIp: wifiDhcpStartIp,
-      wifiEndIp: wifiDhcpEndIp,
-      usbStartIp: usbDhcpStartIp,
-      usbEndIp: usbDhcpEndIp,
-      dns1: dns1,
-      dns2: dns2,
-      enable: enable,
-      mode: enable ? WIFI_FIRMWARE_AP : WIFI_FIRMWARE_STATION,
-      link: enable ? NETWORK_INTERFACE_UP : NETWORK_INTERFACE_DOWN
-    };
-  },
-
-  setWifiApEnabled: function(enabled, callback) {
-    let configuration = this.getWifiTetheringParameters(enabled);
-
-    if (!configuration) {
-      this.requestDone();
-      debug("Invalid Wifi Tethering configuration.");
-      return;
-    }
-
-    WifiManager.setWifiApEnabled(enabled, configuration, callback);
-  },
-
-  associate: function(msg) {
-    const MAX_PRIORITY = 9999;
-    const message = "WifiManager:associate:Return";
-    let network = msg.data;
-
-    let privnet = network;
-    let dontConnect = privnet.dontConnect;
-    delete privnet.dontConnect;
-
-    if (!WifiManager.enabled) {
-      this._sendMessage(message, false, "Wifi is disabled", msg);
-      return;
-    }
-
-    let self = this;
-    function networkReady() {
-      // saveConfig now before we disable most of the other networks.
-      function selectAndConnect() {
-        WifiManager.enableNetwork(privnet.netId, true, function (ok) {
-          if (ok)
-            self._needToEnableNetworks = true;
-          if (WifiManager.state === "DISCONNECTED" ||
-              WifiManager.state === "SCANNING") {
-            WifiManager.reconnect(function (ok) {
-              self._sendMessage(message, ok, ok, msg);
-            });
-          } else {
-            self._sendMessage(message, ok, ok, msg);
-          }
-        });
-      }
-
-      var selectAndConnectOrReturn = dontConnect ?
-        function() {
-          self._sendMessage(message, true, "Wifi has been recorded", msg);
-        } : selectAndConnect;
-      if (self._highestPriority >= MAX_PRIORITY) {
-        self._reprioritizeNetworks(selectAndConnectOrReturn);
-      } else {
-        WifiManager.saveConfig(selectAndConnectOrReturn);
-      }
-    }
-
-    function connectToNetwork() {
-      WifiManager.updateNetwork(privnet, (function(ok) {
-        if (!ok) {
-          self._sendMessage(message, false, "Network is misconfigured", msg);
-          return;
-        }
-
-        networkReady();
-      }));
-    }
-
-    let ssid = privnet.ssid;
-    let networkKey = getNetworkKey(privnet);
-    let configured;
-
-    if (networkKey in this._addingNetworks) {
-      this._sendMessage(message, false, "Racing associates");
-      return;
-    }
-
-    if (networkKey in this.configuredNetworks)
-      configured = this.configuredNetworks[networkKey];
-
-    netFromDOM(privnet, configured);
-
-    privnet.priority = ++this._highestPriority;
-    if (configured) {
-      privnet.netId = configured.netId;
-      // Sync priority back to configured so if priority reaches MAX_PRIORITY,
-      // it can be sorted correctly in _reprioritizeNetworks() because the
-      // function sort network based on priority in configure list.
-      configured.priority = privnet.priority;
-
-      // When investigating Bug 1123680, we observed that gaia may unexpectedly
-      // request to associate with incorrect password before successfully
-      // forgetting the network. It would cause the network unable to connect
-      // subsequently. Aside from preventing the racing forget/associate, we
-      // also try to disable network prior to updating the network.
-      WifiManager.getNetworkId(dequote(configured.ssid), function(netId) {
-        if (netId) {
-          WifiManager.disableNetwork(netId, function() {
-            connectToNetwork();
-          });
-        }
-        else {
-          connectToNetwork();
-        }
-      });
-    } else {
-      // networkReady, above, calls saveConfig. We want to remember the new
-      // network as being enabled, which isn't the default, so we explicitly
-      // set it to being "enabled" before we add it and save the
-      // configuration.
-      privnet.disabled = 0;
-      this._addingNetworks[networkKey] = privnet;
-      WifiManager.addNetwork(privnet, (function(ok) {
-        delete this._addingNetworks[networkKey];
-
-        if (!ok) {
-          this._sendMessage(message, false, "Network is misconfigured", msg);
-          return;
-        }
-
-        this.configuredNetworks[networkKey] = privnet;
-        networkReady();
-      }).bind(this));
-    }
-  },
-
-  forget: function(msg) {
-    const message = "WifiManager:forget:Return";
-    let network = msg.data;
-    if (!WifiManager.enabled) {
-      this._sendMessage(message, false, "Wifi is disabled", msg);
-      return;
-    }
-
-    this._reloadConfiguredNetworks((function(ok) {
-      // Give it a chance to remove the network even if reload is failed.
-      if (!ok) {
-        debug("Warning !!! Failed to reload the configured networks");
-      }
-
-      let ssid = network.ssid;
-      let networkKey = getNetworkKey(network);
-      if (!(networkKey in this.configuredNetworks)) {
-        this._sendMessage(message, false, "Trying to forget an unknown network", msg);
-        return;
-      }
-
-      let self = this;
-      let configured = this.configuredNetworks[networkKey];
-      this._reconnectOnDisconnect = (this.currentNetwork &&
-                                    (this.currentNetwork.ssid === ssid));
-      WifiManager.removeNetwork(configured.netId, function(ok) {
-        if (self._needToEnableNetworks) {
-          self._enableAllNetworks();
-          self._needToEnableNetworks = false;
-        }
-
-        if (!ok) {
-          self._sendMessage(message, false, "Unable to remove the network", msg);
-          self._reconnectOnDisconnect = false;
-          return;
-        }
-
-        WifiManager.saveConfig(function() {
-          self._reloadConfiguredNetworks(function() {
-            self._sendMessage(message, true, true, msg);
-          });
-        });
-      });
-    }).bind(this));
-  },
-
-  wps: function(msg) {
-    const message = "WifiManager:wps:Return";
-    let self = this;
-    let detail = msg.data;
-
-    if (!WifiManager.enabled) {
-      this._sendMessage(message, false, "Wifi is disabled", msg);
-      return;
-    }
-
-    if (detail.method === "pbc") {
-      WifiManager.wpsPbc(function(ok) {
-        if (ok)
-          self._sendMessage(message, true, true, msg);
-        else
-          self._sendMessage(message, false, "WPS PBC failed", msg);
-      });
-    } else if (detail.method === "pin") {
-      WifiManager.wpsPin(detail, function(pin) {
-        if (pin)
-          self._sendMessage(message, true, pin, msg);
-        else
-          self._sendMessage(message, false, "WPS PIN failed", msg);
-      });
-    } else if (detail.method === "cancel") {
-      WifiManager.wpsCancel(function(ok) {
-        if (ok)
-          self._sendMessage(message, true, true, msg);
-        else
-          self._sendMessage(message, false, "WPS Cancel failed", msg);
-      });
-    } else {
-      self._sendMessage(message, false, "Invalid WPS method=" + detail.method,
-                        msg);
-    }
-  },
-
-  setPowerSavingMode: function(msg) {
-    const message = "WifiManager:setPowerSavingMode:Return";
-    let self = this;
-    let enabled = msg.data;
-    let mode = enabled ? "AUTO" : "ACTIVE";
-
-    if (!WifiManager.enabled) {
-      this._sendMessage(message, false, "Wifi is disabled", msg);
-      return;
-    }
-
-    // Some wifi drivers may not implement this command. Set power mode
-    // even if suspend optimization command failed.
-    WifiManager.setSuspendOptimizations(enabled, function(ok) {
-      WifiManager.setPowerMode(mode, function(ok) {
-        if (ok) {
-          self._sendMessage(message, true, true, msg);
-        } else {
-          self._sendMessage(message, false, "Set power saving mode failed", msg);
-        }
-      });
-    });
-  },
-
-  setHttpProxy: function(msg) {
-    const message = "WifiManager:setHttpProxy:Return";
-    let self = this;
-    let network = msg.data.network;
-    let info = msg.data.info;
-
-    if (!WifiManager.enabled) {
-      this._sendMessage(message, false, "Wifi is disabled", msg);
-      return;
-    }
-
-    WifiManager.configureHttpProxy(network, info, function(ok) {
-      if (ok) {
-        // If configured network is current connected network
-        // need update http proxy immediately.
-        let setNetworkKey = getNetworkKey(network);
-        let curNetworkKey = self.currentNetwork ? getNetworkKey(self.currentNetwork) : null;
-        if (setNetworkKey === curNetworkKey)
-          WifiManager.setHttpProxy(network);
-
-        self._sendMessage(message, true, true, msg);
-      } else {
-        self._sendMessage(message, false, "Set http proxy failed", msg);
-      }
-    });
-  },
-
-  setStaticIpMode: function(msg) {
-    const message = "WifiManager:setStaticIpMode:Return";
-    let self = this;
-    let network = msg.data.network;
-    let info = msg.data.info;
-
-    if (!WifiManager.enabled) {
-      this._sendMessage(message, false, "Wifi is disabled", msg);
-      return;
-    }
-
-    // To compatiable with DHCP returned info structure, do translation here
-    info.ipaddr_str = info.ipaddr;
-    info.proxy_str = info.proxy;
-    info.gateway_str = info.gateway;
-    info.dns1_str = info.dns1;
-    info.dns2_str = info.dns2;
-
-    WifiManager.setStaticIpMode(network, info, function(ok) {
-      if (ok) {
-        self._sendMessage(message, true, true, msg);
-      } else {
-        self._sendMessage(message, false, "Set static ip mode failed", msg);
-      }
-    });
-  },
-
-  importCert: function importCert(msg) {
-    const message = "WifiManager:importCert:Return";
-    let self = this;
-
-    if (!WifiManager.enabled) {
-      this._sendMessage(message, false, "Wifi is disabled", msg);
-      return;
-    }
-
-    WifiManager.importCert(msg.data, function(data) {
-      if (data.status === 0) {
-        let usageString = ["ServerCert", "UserCert"];
-        let usageArray = [];
-        for (let i = 0; i < usageString.length; i++) {
-          if (data.usageFlag & (0x01 << i)) {
-            usageArray.push(usageString[i]);
-          }
-        }
-
-        self._sendMessage(message, true, {
-          nickname: data.nickname,
-          usage: usageArray
-        }, msg);
-      } else {
-        self._sendMessage(message, false, "Import Cert failed", msg);
-      }
-    });
-  },
-
-  getImportedCerts: function getImportedCerts(msg) {
-    const message = "WifiManager:getImportedCerts:Return";
-    let self = this;
-
-    if (!WifiManager.enabled) {
-      this._sendMessage(message, false, "Wifi is disabled", msg);
-      return;
-    }
-
-    let certDB = Cc["@mozilla.org/security/x509certdb;1"]
-                 .getService(Ci.nsIX509CertDB);
-    if (!certDB) {
-      self._sendMessage(message, false, "Failed to query NSS DB service", msg);
-    }
-
-    let certList = certDB.getCerts();
-    if (!certList) {
-      self._sendMessage(message, false, "Failed to get certificate List", msg);
-    }
-
-    let certListEnum = certList.getEnumerator();
-    if (!certListEnum) {
-      self._sendMessage(message, false, "Failed to get certificate List enumerator", msg);
-    }
-    let importedCerts = {
-      ServerCert: [],
-      UserCert: [],
-    };
-    let UsageMapping = {
-      SERVERCERT: "ServerCert",
-      USERCERT: "UserCert",
-    };
-
-    while (certListEnum.hasMoreElements()) {
-      let certInfo = certListEnum.getNext().QueryInterface(Ci.nsIX509Cert);
-      let certNicknameInfo = /WIFI\_([A-Z]*)\_(.*)/.exec(certInfo.nickname);
-      if (!certNicknameInfo) {
-        continue;
-      }
-      importedCerts[UsageMapping[certNicknameInfo[1]]].push(certNicknameInfo[2]);
-    }
-
-    self._sendMessage(message, true, importedCerts, msg);
-  },
-
-  deleteCert: function deleteCert(msg) {
-    const message = "WifiManager:deleteCert:Return";
-    let self = this;
-
-    if (!WifiManager.enabled) {
-      this._sendMessage(message, false, "Wifi is disabled", msg);
-      return;
-    }
-
-    WifiManager.deleteCert(msg.data, function(data) {
-      self._sendMessage(message, data.status === 0, "Delete Cert failed", msg);
-    });
-  },
-
-  // TODO : These two variables should be removed once GAIA uses tethering API.
-  useTetheringAPI : false,
-  tetheringConfig : {},
-
-  setWifiTethering: function setWifiTethering(msg) {
-    const message = "WifiManager:setWifiTethering:Return";
-    let self = this;
-    let enabled = msg.data.enabled;
-
-    this.useTetheringAPI = true;
-    this.tetheringConfig = msg.data.config;
-
-    if (WifiManager.enabled) {
-      this._sendMessage(message, false, "Wifi is enabled", msg);
-      return;
-    }
-
-    this.setWifiApEnabled(enabled, function() {
-      if ((enabled && WifiManager.tetheringState == "COMPLETED") ||
-          (!enabled && WifiManager.tetheringState == "UNINITIALIZED")) {
-        self._sendMessage(message, true, msg.data, msg);
-      } else {
-        msg.data.reason = enabled ?
-          "Enable WIFI tethering faild" : "Disable WIFI tethering faild";
-        self._sendMessage(message, false, msg.data, msg);
-      }
-    });
-  },
-
-  // This is a bit ugly, but works. In particular, this depends on the fact
-  // that RadioManager never actually tries to get the worker from us.
-  get worker() { throw "Not implemented"; },
-
-  shutdown: function() {
-    debug("shutting down ...");
-    this.queueRequest({command: "setWifiEnabled", value: false}, function(data) {
-      this._setWifiEnabled(false, this._setWifiEnabledCallback.bind(this));
-    }.bind(this));
-  },
-
-  // TODO: Remove command queue in Bug 1050147.
-  requestProcessing: false,   // Hold while dequeue and execution a request.
-                              // Released upon the request is fully executed,
-                              // i.e, mostly after callback is done.
-  requestDone: function requestDone() {
-    this.requestProcessing = false;
-    this.nextRequest();
-  },
-
-  nextRequest: function nextRequest() {
-    // No request to process
-    if (this._stateRequests.length === 0) {
-      return;
-    }
-
-    // Handling request, wait for it.
-    if (this.requestProcessing) {
-      return;
-    }
-
-    // Hold processing lock
-    this.requestProcessing = true;
-
-    // Find next valid request
-    let request = this._stateRequests.shift();
-
-    request.callback(request.data);
-  },
-
-  notifyTetheringOn: function notifyTetheringOn() {
-    // It's really sad that we don't have an API to notify the wifi
-    // hotspot status. Toggle settings to let gaia know that wifi hotspot
-    // is enabled.
-    let self = this;
-    this.tetheringSettings[SETTINGS_WIFI_TETHERING_ENABLED] = true;
-    this._oldWifiTetheringEnabledState = true;
-    gSettingsService.createLock().set(
-      SETTINGS_WIFI_TETHERING_ENABLED,
-      true,
-      {
-        handle: function(aName, aResult) {
-          self.requestDone();
-        },
-        handleError: function(aErrorMessage) {
-          self.requestDone();
-        }
-      });
-  },
-
-  notifyTetheringOff: function notifyTetheringOff() {
-    // It's really sad that we don't have an API to notify the wifi
-    // hotspot status. Toggle settings to let gaia know that wifi hotspot
-    // is disabled.
-    let self = this;
-    this.tetheringSettings[SETTINGS_WIFI_TETHERING_ENABLED] = false;
-    this._oldWifiTetheringEnabledState = false;
-    gSettingsService.createLock().set(
-      SETTINGS_WIFI_TETHERING_ENABLED,
-      false,
-      {
-        handle: function(aName, aResult) {
-          self.requestDone();
-        },
-        handleError: function(aErrorMessage) {
-          self.requestDone();
-        }
-      });
-  },
-
-  handleWifiEnabled: function(enabled) {
-    if (this.ignoreWifiEnabledFromSettings) {
-      return;
-    }
-
-    // Make sure Wifi hotspot is idle before switching to Wifi mode.
-    if (enabled) {
-      this.queueRequest({command: "setWifiApEnabled", value: false}, function(data) {
-        if (this.tetheringSettings[SETTINGS_WIFI_TETHERING_ENABLED] ||
-            WifiManager.isWifiTetheringEnabled(WifiManager.tetheringState)) {
-          this.disconnectedByWifi = true;
-          this.setWifiApEnabled(false, this.notifyTetheringOff.bind(this));
-        } else {
-          this.requestDone();
-        }
-      }.bind(this));
-    }
-
-    this.queueRequest({command: "setWifiEnabled", value: enabled}, function(data) {
-      this._setWifiEnabled(enabled, this._setWifiEnabledCallback.bind(this));
-    }.bind(this));
-
-    if (!enabled) {
-      this.queueRequest({command: "setWifiApEnabled", value: true}, function(data) {
-        if (this.disconnectedByWifi) {
-          this.setWifiApEnabled(true, this.notifyTetheringOn.bind(this));
-        } else {
-          this.requestDone();
-        }
-        this.disconnectedByWifi = false;
-      }.bind(this));
-    }
-  },
-
-  handleWifiTetheringEnabled: function(enabled) {
-    // Make sure Wifi is idle before switching to Wifi hotspot mode.
-    if (enabled) {
-      this.queueRequest({command: "setWifiEnabled", value: false}, function(data) {
-        if (WifiManager.isWifiEnabled(WifiManager.state)) {
-          this.disconnectedByWifiTethering = true;
-          this._setWifiEnabled(false, this._setWifiEnabledCallback.bind(this));
-        } else {
-          this.requestDone();
-        }
-      }.bind(this));
-    }
-
-    this.queueRequest({command: "setWifiApEnabled", value: enabled}, function(data) {
-      this.setWifiApEnabled(enabled, this.requestDone.bind(this));
-    }.bind(this));
-
-    if (!enabled) {
-      this.queueRequest({command: "setWifiEnabled", value: true}, function(data) {
-        if (this.disconnectedByWifiTethering) {
-          this._setWifiEnabled(true, this._setWifiEnabledCallback.bind(this));
-        } else {
-          this.requestDone();
-        }
-        this.disconnectedByWifiTethering = false;
-      }.bind(this));
-    }
-  },
-
-  // nsIObserver implementation
-  observe: function observe(subject, topic, data) {
-    switch (topic) {
-    case kMozSettingsChangedObserverTopic:
-      // To avoid WifiWorker setting the wifi again, don't need to deal with
-      // the "mozsettings-changed" event fired from internal setting.
-      if ("wrappedJSObject" in subject) {
-        subject = subject.wrappedJSObject;
-      }
-      if (subject.isInternalChange) {
-        return;
-      }
-
-      this.handle(subject.key, subject.value);
-      break;
-
-    case "xpcom-shutdown":
-      // Ensure the supplicant is detached from B2G to avoid XPCOM shutdown
-      // blocks forever.
-      WifiManager.ensureSupplicantDetached(() => {
-        let wifiService = Cc["@mozilla.org/wifi/service;1"].getService(Ci.nsIWifiProxyService);
-        wifiService.shutdown();
-        let wifiCertService = Cc["@mozilla.org/wifi/certservice;1"].getService(Ci.nsIWifiCertService);
-        wifiCertService.shutdown();
-      });
-      break;
-    }
-  },
-
-  handle: function handle(aName, aResult) {
-    switch(aName) {
-      // TODO: Remove function call in Bug 1050147.
-      case SETTINGS_WIFI_ENABLED:
-        this.handleWifiEnabled(aResult)
-        break;
-      case SETTINGS_WIFI_DEBUG_ENABLED:
-        if (aResult === null)
-          aResult = false;
-        DEBUG = aResult;
-        updateDebug();
-        break;
-      case SETTINGS_WIFI_TETHERING_ENABLED:
-        this._oldWifiTetheringEnabledState = this.tetheringSettings[SETTINGS_WIFI_TETHERING_ENABLED];
-        // Fall through!
-      case SETTINGS_WIFI_SSID:
-      case SETTINGS_WIFI_SECURITY_TYPE:
-      case SETTINGS_WIFI_SECURITY_PASSWORD:
-      case SETTINGS_WIFI_IP:
-      case SETTINGS_WIFI_PREFIX:
-      case SETTINGS_WIFI_DHCPSERVER_STARTIP:
-      case SETTINGS_WIFI_DHCPSERVER_ENDIP:
-      case SETTINGS_WIFI_DNS1:
-      case SETTINGS_WIFI_DNS2:
-      case SETTINGS_USB_DHCPSERVER_STARTIP:
-      case SETTINGS_USB_DHCPSERVER_ENDIP:
-        // TODO: code related to wifi-tethering setting should be removed after GAIA
-        //       use tethering API
-        if (this.useTetheringAPI) {
-          break;
-        }
-
-        if (aResult !== null) {
-          this.tetheringSettings[aName] = aResult;
-        }
-        debug("'" + aName + "'" + " is now " + this.tetheringSettings[aName]);
-        let index = this._wifiTetheringSettingsToRead.indexOf(aName);
-
-        if (index != -1) {
-          this._wifiTetheringSettingsToRead.splice(index, 1);
-        }
-
-        if (this._wifiTetheringSettingsToRead.length) {
-          debug("We haven't read completely the wifi Tethering data from settings db.");
-          break;
-        }
-
-        if (this._oldWifiTetheringEnabledState === this.tetheringSettings[SETTINGS_WIFI_TETHERING_ENABLED]) {
-          debug("No changes for SETTINGS_WIFI_TETHERING_ENABLED flag. Nothing to do.");
-          break;
-        }
-
-        if (this._oldWifiTetheringEnabledState === null &&
-            !this.tetheringSettings[SETTINGS_WIFI_TETHERING_ENABLED]) {
-          debug("Do nothing when initial settings for SETTINGS_WIFI_TETHERING_ENABLED flag is false.");
-          break;
-        }
-
-        this._oldWifiTetheringEnabledState = this.tetheringSettings[SETTINGS_WIFI_TETHERING_ENABLED];
-        this.handleWifiTetheringEnabled(aResult)
-        break;
-    };
-  },
-
-  handleError: function handleError(aErrorMessage) {
-    debug("There was an error while reading Tethering settings.");
-    this.tetheringSettings = {};
-    this.tetheringSettings[SETTINGS_WIFI_TETHERING_ENABLED] = false;
-  },
-};
-
-this.NSGetFactory = XPCOMUtils.generateNSGetFactory([WifiWorker]);
-
-var debug;
-function updateDebug() {
-  if (DEBUG) {
-    debug = function (s) {
-      dump("-*- WifiWorker component: " + s + "\n");
-    };
-  } else {
-    debug = function (s) {};
-  }
-  WifiManager.syncDebug();
-}
-updateDebug();