mirror of
https://github.com/mozilla/gecko-dev.git
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376 lines
13 KiB
JavaScript
376 lines
13 KiB
JavaScript
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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const {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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Cu.import("resource://gre/modules/Services.jsm");
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Cu.import("resource://gre/modules/DOMRequestHelper.jsm");
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const DEBUG = false; // set to false to suppress debug messages
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const DOMWIFIMANAGER_CONTRACTID = "@mozilla.org/wifimanager;1";
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const DOMWIFIMANAGER_CID = Components.ID("{2cf775a7-1837-410c-9e26-323c42e076da}");
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function DOMWifiManager() {
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}
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function exposeCurrentNetwork(currentNetwork) {
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currentNetwork.__exposedProps__ = exposeCurrentNetwork.currentNetworkApi;
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}
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exposeCurrentNetwork.currentNetworkApi = {
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ssid: "r",
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known: "r"
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};
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// For smaller, read-only APIs, we expose any property that doesn't begin with
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// an underscore.
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function exposeReadOnly(obj) {
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var exposedProps = {};
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for (let i in obj) {
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if (i[0] === "_")
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continue;
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exposedProps[i] = "r";
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}
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obj.__exposedProps__ = exposedProps;
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return obj;
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}
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DOMWifiManager.prototype = {
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__proto__: DOMRequestIpcHelper.prototype,
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classID: DOMWIFIMANAGER_CID,
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classInfo: XPCOMUtils.generateCI({classID: DOMWIFIMANAGER_CID,
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contractID: DOMWIFIMANAGER_CONTRACTID,
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classDescription: "DOMWifiManager",
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interfaces: [Ci.nsIDOMWifiManager],
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flags: Ci.nsIClassInfo.DOM_OBJECT}),
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QueryInterface: XPCOMUtils.generateQI([Ci.nsIDOMWifiManager,
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Ci.nsIDOMGlobalPropertyInitializer]),
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// nsIDOMGlobalPropertyInitializer implementation
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init: function(aWindow) {
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let principal = aWindow.document.nodePrincipal;
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let secMan = Cc["@mozilla.org/scriptsecuritymanager;1"].getService(Ci.nsIScriptSecurityManager);
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let perm = principal == secMan.getSystemPrincipal()
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? Ci.nsIPermissionManager.ALLOW_ACTION
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: Services.perms.testExactPermissionFromPrincipal(principal, "wifi-manage");
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// Only pages with perm set can use the wifi manager.
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this._hasPrivileges = perm == Ci.nsIPermissionManager.ALLOW_ACTION;
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// Maintain this state for synchronous APIs.
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this._currentNetwork = null;
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this._connectionStatus = "disconnected";
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this._enabled = true;
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this._lastConnectionInfo = null;
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const messages = ["WifiManager:setEnabled:Return:OK", "WifiManager:setEnabled:Return:NO",
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"WifiManager:getNetworks:Return:OK", "WifiManager:getNetworks:Return:NO",
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"WifiManager:associate:Return:OK", "WifiManager:associate:Return:NO",
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"WifiManager:forget:Return:OK", "WifiManager:forget:Return:NO",
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"WifiManager:wps:Return:OK", "WifiManager:wps:Return:NO",
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"WifiManager:wifiDown", "WifiManager:wifiUp",
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"WifiManager:onconnecting", "WifiManager:onassociate",
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"WifiManager:onconnect", "WifiManager:ondisconnect",
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"WifiManager:onwpstimeout", "WifiManager:onwpsfail",
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"WifiManager:onwpsoverlap", "WifiManager:connectionInfoUpdate"];
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this.initHelper(aWindow, messages);
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this._mm = Cc["@mozilla.org/childprocessmessagemanager;1"].getService(Ci.nsISyncMessageSender);
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var state = this._mm.sendSyncMessage("WifiManager:getState")[0];
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if (state) {
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this._currentNetwork = state.network;
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if (this._currentNetwork)
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exposeCurrentNetwork(this._currentNetwork);
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this._lastConnectionInfo = state.connectionInfo;
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this._enabled = state.enabled;
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this._connectionStatus = state.status;
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} else {
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this._currentNetwork = null;
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this._lastConnectionInfo = null;
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this._enabled = false;
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this._connectionStatus = "disconnected";
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}
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},
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uninit: function() {
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this._onStatusChange = null;
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this._onConnectionInfoUpdate = null;
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this._onEnabled = null;
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this._onDisabled = null;
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this._mm.sendAsyncMessage("WifiManager:managerFinished");
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},
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_sendMessageForRequest: function(name, data, request) {
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let id = this.getRequestId(request);
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this._mm.sendAsyncMessage(name, { data: data, rid: id, mid: this._id });
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},
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receiveMessage: function(aMessage) {
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let msg = aMessage.json;
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if (msg.mid && msg.mid != this._id)
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return;
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let request;
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switch (aMessage.name) {
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case "WifiManager:setEnabled:Return:OK":
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request = this.takeRequest(msg.rid);
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this._enabled = msg.data;
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if (!this._enabled)
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this._currentNetwork = null;
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Services.DOMRequest.fireSuccess(request, true);
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break;
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case "WifiManager:setEnabled:Return:NO":
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request = this.takeRequest(msg.rid);
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Services.DOMRequest.fireError(request, "Unable to initialize wifi");
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break;
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case "WifiManager:getNetworks:Return:OK":
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request = this.takeRequest(msg.rid);
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Services.DOMRequest.fireSuccess(request, exposeReadOnly(msg.data));
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break;
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case "WifiManager:getNetworks:Return:NO":
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request = this.takeRequest(msg.rid);
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Services.DOMRequest.fireError(request, "Unable to scan for networks");
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break;
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case "WifiManager:associate:Return:OK":
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request = this.takeRequest(msg.rid);
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Services.DOMRequest.fireSuccess(request, true);
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break;
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case "WifiManager:associate:Return:NO":
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request = this.takeRequest(msg.rid);
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Services.DOMRequest.fireError(request, "Unable to add the network");
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break;
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case "WifiManager:forget:Return:OK":
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request = this.takeRequest(msg.rid);
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Services.DOMRequest.fireSuccess(request, true);
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break;
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case "WifiManager:forget:Return:NO":
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request = this.takeRequest(msg.rid);
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Services.DOMRequest.fireError(request, msg.data);
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break;
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case "WifiManager:wps:Return:OK":
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request = this.takeRequest(msg.rid);
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Services.DOMRequest.fireSuccess(request, exposeReadOnly(msg.data));
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break;
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case "WifiManager:wps:Return:NO":
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request = this.takeRequest(msg.rid);
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Services.DOMRequest.fireError(request, msg.data);
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break;
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case "WifiManager:wifiDown":
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this._enabled = false;
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this._currentNetwork = null;
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this._fireEnabledOrDisabled(false);
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break;
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case "WifiManager:wifiUp":
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this._enabled = true;
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this._fireEnabledOrDisabled(true);
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break;
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case "WifiManager:onconnecting":
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this._currentNetwork = msg.network;
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exposeCurrentNetwork(this._currentNetwork);
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this._connectionStatus = "connecting";
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this._fireStatusChangeEvent();
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break;
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case "WifiManager:onassociate":
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this._currentNetwork = msg.network;
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exposeCurrentNetwork(this._currentNetwork);
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this._connectionStatus = "associated";
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this._fireStatusChangeEvent();
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break;
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case "WifiManager:onconnect":
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this._currentNetwork = msg.network;
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exposeCurrentNetwork(this._currentNetwork);
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this._connectionStatus = "connected";
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this._fireStatusChangeEvent();
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break;
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case "WifiManager:ondisconnect":
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this._currentNetwork = null;
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this._connectionStatus = "disconnected";
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this._lastConnectionInfo = null;
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this._fireStatusChangeEvent();
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break;
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case "WifiManager:onwpstimeout":
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this._currentNetwork = null;
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this._connectionStatus = "wps-timedout";
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this._lastConnectionInfo = null;
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this._fireStatusChangeEvent();
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break;
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case "WifiManager:onwpsfail":
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this._currentNetwork = null;
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this._connectionStatus = "wps-failed";
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this._lastConnectionInfo = null;
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this._fireStatusChangeEvent();
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break;
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case "WifiManager:onwpsoverlap":
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this._currentNetwork = null;
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this._connectionStatus = "wps-overlapped";
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this._lastConnectionInfo = null;
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this._fireStatusChangeEvent();
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break;
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case "WifiManager:connectionInfoUpdate":
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this._lastConnectionInfo = msg;
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this._fireConnectionInfoUpdate(msg);
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break;
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}
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},
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_fireStatusChangeEvent: function StatusChangeEvent() {
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if (this._onStatusChange) {
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debug("StatusChangeEvent");
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var event = new this._window.MozWifiStatusChangeEvent("statusChangeEvent",
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{ network: this._currentNetwork,
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status: this._connectionStatus
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});
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this._onStatusChange.handleEvent(event);
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}
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},
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_fireConnectionInfoUpdate: function connectionInfoUpdate(info) {
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if (this._onConnectionInfoUpdate) {
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debug("ConnectionInfoEvent");
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var evt = new this._window.MozWifiConnectionInfoEvent("connectionInfoEvent",
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{ network: this._currentNetwork,
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signalStrength: info.signalStrength,
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relSignalStrength: info.relSignalStrength,
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linkSpeed: info.linkSpeed
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});
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this._onConnectionInfoUpdate.handleEvent(evt);
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}
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},
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_fireEnabledOrDisabled: function enabledDisabled(enabled) {
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var handler = enabled ? this._onEnabled : this._onDisabled;
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if (handler) {
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var evt = new this._window.Event("WifiEnabled");
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handler.handleEvent(evt);
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}
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},
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// nsIDOMWifiManager
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setEnabled: function nsIDOMWifiManager_setEnabled(enabled) {
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if (!this._hasPrivileges)
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throw new Components.Exception("Denied", Cr.NS_ERROR_FAILURE);
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var request = this.createRequest();
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this._sendMessageForRequest("WifiManager:setEnabled", enabled, request);
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return request;
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},
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getNetworks: function nsIDOMWifiManager_getNetworks() {
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if (!this._hasPrivileges)
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throw new Components.Exception("Denied", Cr.NS_ERROR_FAILURE);
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var request = this.createRequest();
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this._sendMessageForRequest("WifiManager:getNetworks", null, request);
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return request;
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},
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associate: function nsIDOMWifiManager_associate(network) {
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if (!this._hasPrivileges)
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throw new Components.Exception("Denied", Cr.NS_ERROR_FAILURE);
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var request = this.createRequest();
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this._sendMessageForRequest("WifiManager:associate", network, request);
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return request;
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},
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forget: function nsIDOMWifiManager_forget(network) {
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if (!this._hasPrivileges)
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throw new Components.Exception("Denied", Cr.NS_ERROR_FAILURE);
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var request = this.createRequest();
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this._sendMessageForRequest("WifiManager:forget", network, request);
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return request;
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},
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wps: function nsIDOMWifiManager_wps(detail) {
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if (!this._hasPrivileges)
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throw new Components.Exception("Denied", Cr.NS_ERROR_FAILURE);
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var request = this.createRequest();
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this._sendMessageForRequest("WifiManager:wps", detail, request);
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return request;
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},
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get enabled() {
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if (!this._hasPrivileges)
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throw new Components.Exception("Denied", Cr.NS_ERROR_FAILURE);
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return this._enabled;
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},
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get connection() {
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if (!this._hasPrivileges)
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throw new Components.Exception("Denied", Cr.NS_ERROR_FAILURE);
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return exposeReadOnly({ status: this._connectionStatus,
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network: this._currentNetwork });
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},
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get connectionInformation() {
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if (!this._hasPrivileges)
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throw new Components.Exception("Denied", Cr.NS_ERROR_FAILURE);
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return this._lastConnectionInfo
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? exposeReadOnly(this._lastConnectionInfo)
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: null;
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},
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set onstatuschange(callback) {
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if (!this._hasPrivileges)
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throw new Components.Exception("Denied", Cr.NS_ERROR_FAILURE);
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this._onStatusChange = callback;
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},
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set connectionInfoUpdate(callback) {
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if (!this._hasPrivileges)
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throw new Components.Exception("Denied", Cr.NS_ERROR_FAILURE);
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this._onConnectionInfoUpdate = callback;
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},
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set onenabled(callback) {
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if (!this._hasPrivileges)
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throw new Components.Exception("Denied", Cr.NS_ERROR_FAILURE);
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this._onEnabled = callback;
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},
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set ondisabled(callback) {
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if (!this._hasPrivileges)
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throw new Components.Exception("Denied", Cr.NS_ERROR_FAILURE);
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this._onDisabled = callback;
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}
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};
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const NSGetFactory = XPCOMUtils.generateNSGetFactory([DOMWifiManager]);
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let debug;
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if (DEBUG) {
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debug = function (s) {
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dump("-*- DOMWifiManager component: " + s + "\n");
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};
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} else {
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debug = function (s) {};
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}
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