mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
256 lines
8.3 KiB
JavaScript
256 lines
8.3 KiB
JavaScript
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Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
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const Ci = Components.interfaces;
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const Cc = Components.classes;
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function nowInSeconds()
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{
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return Date.now() / 1000;
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}
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function LOG(aMsg) {
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//aMsg = ("*** WIFI GEO: " + aMsg);
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//Cc["@mozilla.org/consoleservice;1"].getService(Ci.nsIConsoleService).logStringMessage(aMsg);
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}
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function getAccessTokenForURL(url)
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{
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// check to see if we have an access token:
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var accessToken = "";
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try {
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var prefService = Cc["@mozilla.org/preferences-service;1"].getService(Ci.nsIPrefBranch);
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var accessTokenPrefName = "geo.wifi.access_token." + url;
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accessToken = prefService.getCharPref(accessTokenPrefName);
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// check to see if it has expired
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var accessTokenDate = prefService.getIntPref(accessTokenPrefName + ".time");
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var accessTokenInterval = 1209600; /* seconds in 2 weeks */
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try {
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accessTokenInterval = prefService.getIntPref("geo.wifi.access_token.recycle_interval");
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} catch (e) {}
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if (nowInSeconds() - accessTokenDate > accessTokenInterval)
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accessToken = "";
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}
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catch (e) {
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accessToken = "";
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LOG("Error: "+ e);
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}
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return accessToken;
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}
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function WifiGeoCoordsObject(lat, lon, acc) {
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this.latitude = lat;
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this.longitude = lon;
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this.accuracy = acc;
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};
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WifiGeoCoordsObject.prototype = {
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QueryInterface: XPCOMUtils.generateQI([Ci.nsIDOMGeoPositionCoords, Ci.nsIClassInfo]),
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getInterfaces: function(countRef) {
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var interfaces = [Ci.nsIDOMGeoPositionCoords, Ci.nsIClassInfo, Ci.nsISupports];
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countRef.value = interfaces.length;
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return interfaces;
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},
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getHelperForLanguage: function(language) null,
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contractID: "",
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classDescription: "wifi geo position coords object",
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classID: null,
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implementationLanguage: Ci.nsIProgrammingLanguage.JAVASCRIPT,
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flags: Ci.nsIClassInfo.DOM_OBJECT,
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latitude: 0,
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longitude: 0,
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accuracy: 0,
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altitude: 0,
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altitudeAccuracy: 0,
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heading: 0,
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speed: 0,
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};
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function WifiGeoPositionObject(lat, lon, acc) {
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this.coords = new WifiGeoCoordsObject(lat, lon, acc);
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this.timestamp = Date.now();
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};
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WifiGeoPositionObject.prototype = {
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QueryInterface: XPCOMUtils.generateQI([Ci.nsIDOMGeoPosition, Ci.nsIClassInfo]),
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// Class Info is required to be able to pass objects back into the DOM.
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getInterfaces: function(countRef) {
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var interfaces = [Ci.nsIDOMGeoPosition, Ci.nsIClassInfo, Ci.nsISupports];
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countRef.value = interfaces.length;
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return interfaces;
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},
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getHelperForLanguage: function(language) null,
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contractID: "",
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classDescription: "wifi geo location position object",
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classID: null,
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implementationLanguage: Ci.nsIProgrammingLanguage.JAVASCRIPT,
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flags: Ci.nsIClassInfo.DOM_OBJECT,
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coords: null,
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timestamp: 0,
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};
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function WifiGeoPositionProvider() {};
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WifiGeoPositionProvider.prototype = {
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classDescription: "A component that returns a geolocation based on WIFI",
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classID: Components.ID("{77DA64D3-7458-4920-9491-86CC9914F904}"),
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contractID: "@mozilla.org/geolocation/provider;1",
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QueryInterface: XPCOMUtils.generateQI([Ci.nsIGeolocationProvider, Ci.nsIWifiListener, Ci.nsITimerCallback]),
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provider_url: null,
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wifi_service: null,
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update: null,
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timer: null,
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hasSeenWiFi: false,
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startup: function() {
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LOG("startup called");
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var prefService = Cc["@mozilla.org/preferences-service;1"].getService(Ci.nsIPrefBranch);
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this.provider_url = prefService.getComplexValue("geo.wifi.uri", Ci.nsIPrefLocalizedString).data;
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LOG("provider url = " + this.provider_url);
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// if we don't see anything in 5 seconds, kick of one IP geo lookup.
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this.hasSeenWiFi = false;
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this.timer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
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this.timer.initWithCallback(this, 5000, this.timer.TYPE_ONE_SHOT);
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},
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isReady: function() {
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LOG("isReady called");
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return true
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},
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watch: function(c) {
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LOG("watch called");
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if (!this.wifi_service)
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this.wifi_service = Cc["@mozilla.org/wifi/monitor;1"].getService(Components.interfaces.nsIWifiMonitor);
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this.wifi_service.startWatching(this);
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this.update = c;
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},
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shutdown: function() {
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LOG("shutdown called");
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if(this.wifi_service)
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this.wifi_service.stopWatching(this);
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this.update = null;
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if (this.timer != null) {
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this.timer.cancel();
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this.timer = null;
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}
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},
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onChange: function(accessPoints) {
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LOG("onChange called");
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this.hasSeenWiFi = true;
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var prefService = Cc["@mozilla.org/preferences-service;1"].getService(Ci.nsIPrefBranch);
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// send our request to a wifi geolocation network provider:
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const xhr = Components.classes["@mozilla.org/xmlextras/xmlhttprequest;1"].createInstance(Ci.nsIXMLHttpRequest);
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// This is a background load
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xhr.mozBackgroundRequest = true;
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xhr.open("POST", this.provider_url, false);
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// set something so that we can strip cookies
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xhr.channel.loadFlags = Ci.nsIChannel.LOAD_ANONYMOUS;
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// set something so that we can get back to the update object when onload is called
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xhr.channel.QueryInterface(Ci.nsIWritablePropertyBag2).setPropertyAsInterface("moz-geolocation-service", this.update);
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xhr.onerror = function(req) {
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LOG("onerror: " + req);
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};
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xhr.onload = function (req) {
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LOG("service returned: " + req.target.responseText);
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// if we get a bad response, we will throw and never report a location
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var response = JSON.parse(req.target.responseText);
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// response looks something like:
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// {"location":{"latitude":51.5090332,"longitude":-0.1212726,"accuracy":150.0},"access_token":"2:jVhRZJ-j6PiRchH_:RGMrR0W1BiwdZs12"}
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// Check to see if we have a new access token
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var newAccessToken = response.access_token;
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if (newAccessToken != undefined)
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{
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var prefService = Cc["@mozilla.org/preferences-service;1"].getService(Ci.nsIPrefBranch);
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var accessToken = "";
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var accessTokenPrefName = "geo.wifi.access_token." + req.target.channel.URI.spec;
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try { accessToken = prefService.getCharPref(accessTokenPrefName); } catch (e) {}
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if (accessToken != newAccessToken) {
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// no match, lets cache
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LOG("New Access Token: " + newAccessToken + "\n" + accessTokenPrefName);
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prefService.setIntPref(accessTokenPrefName + ".time", nowInSeconds());
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prefService.setCharPref(accessTokenPrefName, newAccessToken);
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}
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}
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var newLocation = new WifiGeoPositionObject(response.location.latitude,
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response.location.longitude,
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response.location.accuracy);
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var update = req.target.channel.QueryInterface(Ci.nsIPropertyBag2).getPropertyAsInterface("moz-geolocation-service", Ci.nsIGeolocationUpdate);
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update.update(newLocation);
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};
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var accessToken = getAccessTokenForURL(this.provider_url);
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var request = {
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version: "1.1.0",
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// request_address: true,
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};
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if (accessToken != "")
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request.access_token = accessToken;
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if (accessPoints != null) {
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request.wifi_towers = accessPoints.map(function (ap) ({
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mac_address: ap.mac,
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ssid: ap.ssid,
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signal_strength: ap.signal,
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}));
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}
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var jsonString = JSON.stringify(request);
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LOG("client sending: " + jsonString);
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xhr.send(jsonString);
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},
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notify: function (timer) {
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if (this.hasSeenWiFi == false)
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this.onChange(null);
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this.timer = null;
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},
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};
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var components = [WifiGeoPositionProvider];
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function NSGetModule(compMgr, fileSpec) {
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return XPCOMUtils.generateModule(components);
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}
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