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wifi_utils.js
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wifi_utils.js
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/**
* WifiUtils is a utils-box that keeps wifi-operations needed utils.
*
* @module WifiUtils
*/
define(function(require) {
'use strict';
var WifiHelper = require('shared/wifi_helper');
var wifiManager = WifiHelper.getWifiManager();
var WifiUtils = {
/**
* Create an explanatory list item
*
* @memberOf WifiUtils
* @param {String} message
* @returns {HTMLLIElement}
*/
newExplanationItem: function(message) {
var li = document.createElement('li');
li.className = 'explanation';
li.setAttribute('data-l10n-id', message);
return li;
},
/**
* Create a network list item
*
* @memberOf WifiUtils
* @param {Object} options
* @returns {HTMLLIElement}
*/
newListItem: function(options) {
/**
* A Wi-Fi list item has the following HTML structure:
* <li>
* <aside class="pack-end wifi-icon level-[?] [secured]"></aside>
* <a>
* <span> Network SSID </span>
* <small> Network Security </small>
* </a>
* </li>
*/
var network = options.network;
var showNotInRange = options.showNotInRange || false;
var onClick = options.onClick || function() {};
// icon
var icon = document.createElement('aside');
icon.classList.add('pack-end');
icon.classList.add('wifi-icon');
var level = Math.min(Math.floor(network.relSignalStrength / 20), 4);
icon.classList.add('level-' + level);
// ssid
var ssid = document.createElement('span');
ssid.textContent = network.ssid;
// supported authentication methods
var small = document.createElement('small');
var keys = WifiHelper.getSecurity(network);
var networkNotInRange = (network.known && level === 0);
var hasSecurity = (keys && keys.length);
if (hasSecurity) {
if (showNotInRange && networkNotInRange) {
small.setAttribute('data-l10n-id', 'notInRange');
} else {
navigator.mozL10n.setAttributes(small, 'securedBy',
{ capabilities: keys.join(', ') });
}
icon.classList.add('secured');
} else {
if (showNotInRange && networkNotInRange) {
small.setAttribute('data-l10n-id', 'notInRange');
} else {
small.setAttribute('data-l10n-id', 'securityOpen');
}
}
var a = document.createElement('a');
a.appendChild(ssid);
a.appendChild(small);
// create list item
var li = document.createElement('li');
li.dataset.ssid = network.ssid;
li.appendChild(icon);
li.appendChild(a);
// Show connection status
icon.classList.add('wifi-signal');
if (WifiHelper.isConnected(network)) {
small.setAttribute('data-l10n-id', 'shortStatus-connected');
icon.classList.add('connected');
li.classList.add('active');
}
// bind connection callback
li.onclick = function() {
onClick(network);
};
return li;
},
/**
* Change dialog layout based on dialogId and security
*
* @memberOf WifiUtils
* @param {HTMLElement} panel
* @param {String} security
*/
changeDisplay: function(panel, security) {
var eap = panel.querySelector('li.eap select');
var identity = panel.querySelector('input[name=identity]');
var password = panel.querySelector('input[name=password]');
var authPhase2 = panel.querySelector('li.auth-phase2 select');
var certificate = panel.querySelector('li.server-certificate select');
var description =
panel.querySelector('li.server-certificate-description');
if (security === 'WEP' || security === 'WPA-PSK') {
identity.parentNode.style.display = 'none';
password.parentNode.style.display = 'block';
authPhase2.parentNode.parentNode.style.display = 'none';
certificate.parentNode.parentNode.style.display = 'none';
description.style.display = 'none';
} else if (security === 'WPA-EAP') {
if (eap) {
switch (eap.value) {
case 'SIM':
identity.parentNode.style.display = 'none';
password.parentNode.style.display = 'none';
authPhase2.parentNode.parentNode.style.display = 'none';
certificate.parentNode.parentNode.style.display = 'none';
description.style.display = 'none';
break;
case 'PEAP':
case 'TLS':
case 'TTLS':
identity.parentNode.style.display = 'block';
password.parentNode.style.display = 'block';
authPhase2.parentNode.parentNode.style.display = 'block';
certificate.parentNode.parentNode.style.display = 'block';
description.style.display = 'block';
break;
default:
break;
}
}
} else {
identity.parentNode.style.display = 'none';
password.parentNode.style.display = 'none';
}
},
/**
* This is used to help us do some initialization works if the panel
* is auth related.
*
* @memberOf WifiUtils
* @param {String} panel
* @param {Object} network
*/
initializeAuthFields: function(panel, network) {
var key = WifiHelper.getKeyManagement(network);
var identity = panel.querySelector('input[name=identity]');
var password = panel.querySelector('input[name=password]');
var showPassword = panel.querySelector('input[name=show-pwd]');
var eap = panel.querySelector('li.eap select');
var certificate = panel.querySelector('li.server-certificate select');
var submitButton = panel.querySelector('button[type=submit]');
// load needed certificates first
this.loadImportedCertificateOptions(certificate);
identity.value = network.identity || '';
password.type = 'password';
password.value = network.password || '';
showPassword.checked = false;
showPassword.onchange = function() {
password.type = this.checked ? 'text' : 'password';
};
var checkPassword = function() {
submitButton.disabled =
!WifiHelper.isValidInput(key, password.value, identity.value,
eap.value);
};
eap.onchange = function() {
checkPassword();
WifiUtils.changeDisplay(panel, key);
};
password.oninput = checkPassword;
identity.oninput = checkPassword;
checkPassword();
},
/**
* This is an inner function that used to inject certificates options
* into select element.
*
* @memberOf WifiUtils
* @param {HTMLSelectElement} select
*/
loadImportedCertificateOptions: function(select) {
if (!wifiManager.getImportedCerts) {
return;
}
var certRequest = wifiManager.getImportedCerts();
certRequest.onsuccess = function() {
var i;
var certList = certRequest.result;
// save the imported server certificates
var certificateList = certList.ServerCert;
// reset the option to be <option value="none">--</option> only
var originLengthOfOptions = select.options.length;
for (i = 0; i < originLengthOfOptions - 1; i++) {
select.remove(1);
}
for (i = 0; i < certificateList.length; i++) {
var option = document.createElement('option');
option.text = certificateList[i];
option.value = certificateList[i];
select.add(option, null);
}
};
certRequest.onerror = function() {
console.warn('getImportedCerts failed');
};
},
/**
* Updates the icon of the given network
*
* @memberOf WifiUtils
* @param {Object} network
* @param {Integer} networkSignal
*/
updateNetworkSignal: function(network, networkSignal) {
var li = document.querySelector('li[data-ssid="' + network.ssid + '"]');
var icon = li.querySelector('aside');
// Clean previous state
icon.className = icon.className.replace(/level-\w*/, '');
var level = Math.min(Math.floor(networkSignal / 20), 4);
icon.classList.add('level-' + level);
},
/**
* Get concated networkKey which can be used as identifier
*
* @memberOf WifiUtils
* @param {Object} network
* @return {String} concated network identifier
*/
getNetworkKey: function(network) {
if (!network) {
return '';
} else {
var key =
network.ssid + '+' + WifiHelper.getSecurity(network).join('+');
return key;
}
},
/**
* Reflect incoming network status on related listItem (show different UI)
*
* @memberOf WifiUtils
* @param {Object} options
* @param {Object} options.listItems - listItems with DOM elements
* @param {Object} options.activeItemDOM - DOM element for active item
* @param {Object} options.network - network object
* @param {Object} options.networkStatus - current status for network
*/
updateListItemStatus: function(options) {
options = options || {};
var listItems = options.listItems;
var activeItemDOM = options.activeItemDOM;
var network = options.network;
var networkStatus = options.networkStatus;
if (!network || !networkStatus || !listItems) {
console.log('Please check passing options for updateListItemStatus');
return;
}
var key = this.getNetworkKey(network);
var listItemDOM = listItems[key];
if (activeItemDOM && activeItemDOM != listItemDOM) {
activeItemDOM.classList.remove('active');
activeItemDOM.querySelector('small').
setAttribute('data-l10n-id', 'shortStatus-disconnected');
activeItemDOM.querySelector('aside').classList.remove('connecting');
activeItemDOM.querySelector('aside').classList.remove('connected');
}
if (listItemDOM) {
listItemDOM.classList.add('active');
listItemDOM.querySelector('small').
setAttribute('data-l10n-id', 'shortStatus-' + networkStatus);
if (networkStatus === 'connecting') {
listItemDOM.querySelector('aside').classList.remove('connected');
listItemDOM.querySelector('aside').classList.add('connecting');
} else if (networkStatus === 'connected') {
listItemDOM.querySelector('aside').classList.remove('connecting');
listItemDOM.querySelector('aside').classList.add('connected');
}
}
}
};
return WifiUtils;
});