diagnostics: Add connectivity section to chrome://diagnostics

chrome/browser/resources/chromeos/diagnostics/main.js

+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+/**
+ * Updates the Connectivity Status section.
+ * @param {String} connStatus Dictionary containing connectivity status.
+ */
+function updateConnectivityStatus(connStatus) {
+  var deviceTypes = ['wlan0', 'wwan0', 'eth0', 'eth1'];
+  var deviceNames = ['Wi-Fi', '3G', 'Ethernet0', 'Ethernet1'];
+  for (var i = 0; i < deviceTypes.length; i++) {
+    var deviceName = deviceNames[i];
+    var nameElement = document.createElement('h2');
+    nameElement.appendChild(document.createTextNode(deviceName));
+    $('connectivity-status').appendChild(nameElement);
+
+    var deviceType = deviceTypes[i];
+    var deviceStatus = connStatus[deviceType];
+    var statusMessage;
+    if (!deviceStatus) {
+      statusMessage = 'Device not found.';
+    } else if (!deviceStatus.flags ||
+               deviceStatus.flags.indexOf('up') == -1) {
+      statusMessage = 'Device disabled.';
+    } else if (!deviceStatus.ipv4) {
+      statusMessage = 'IPv4 address unavailable.';
+    } else {
+      statusMessage = 'IPv4 address: ' + deviceStatus.ipv4.addrs;
+    }
+    var statusElement = document.createElement('p');
+    statusElement.appendChild(document.createTextNode(statusMessage));
+    $('connectivity-status').appendChild(statusElement);
+  }
+}
+
+document.addEventListener('DOMContentLoaded', function() {
+  chrome.send('pageLoaded');
+});