Replace chrome://network implementation with networkConfig API

chrome/browser/resources/chromeos/network/network_config.js

+// Copyright 2014 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.
+
+'use strict';
+
+// This object provides a similar API to chrome.networkingPrivate. It simulates
+// the extension callback model by storing callbacks in a member object and
+// invoking them when the corresponding method is called by Chrome in response
+// to a chrome.send call.
+
+var networkConfig = {
+  // ONC types
+  Type: {
+    All: 'All',
+    Cellular: 'Cellular',
+    Ethernet: 'Ethernet',
+    VPN: 'VPN',
+    WiFi: 'WiFi'
+  },
+
+  // ONC Network properties
+  ONC: {
+    Cellular: {
+      NetworkTechnology: 'Cellular.NetworkTechnology',
+      ActivationState: 'Cellular.ActivationState',
+      RoamingState: 'Cellular.RoamingState',
+      OutOfCredits: 'Cellular.OutOfCredits'
+    },
+    Connectable: 'Connectable',
+    ConnectionState: 'ConnectionState',
+    EAP: {
+      EAP: 'EAP.EAP'
+    },
+    ErrorState: 'ErrorState',
+    GUID: 'GUID',
+    Name: 'Name',
+    OncSource: 'onc_source',  // TODO(stevenjb): Replace with 'Policies'.
+    Profile: 'Profile',
+    WiFi: {
+      Security: 'WiFi.Security',
+      SignalStrength: 'WiFi.SignalStrength'
+    },
+    ServicePath: 'ServicePath',
+    Type: 'Type'
+  },
+
+  /**
+   * Return the property associated with a key (which may reference a
+   * sub-object).
+   *
+   * @param {Object} properties The object containing the network properties
+   * @param {string} key The ONC key for the property
+   * @return {Mixed} The value associated with the property
+   */
+  getValueFromProperties: function(properties, key) {
+    if (!key) {
+      console.error('Empty key');
+      return undefined;
+    }
+    var dot = key.indexOf('.');
+    if (dot > 0) {
+      var key1 = key.substring(0, dot);
+      var key2 = key.substring(dot + 1);
+      var subobject = properties[key1];
+      if (subobject)
+        return subobject[key2];
+    }
+    return properties[key];
+  },
+
+  /**
+   * Generate a unique id for 'callback' and store it for future retrieval.
+   *
+   * @param {function} callback The associated callback
+   * @return {integer} The id of the callback
+   */
+  callbackId: 1,
+  callbackMap: {},
+  storeCallback: function(callback) {
+    var id = networkConfig.callbackId++;
+    networkConfig.callbackMap[id] = callback;
+    return id;
+  },
+
+  /**
+   * Retrieve the callback associated with |id| and remove it from the map.
+   *
+   * @param {integer} id The id of the callback
+   * @return {function} The associated callback
+   */
+  retrieveCallback: function(id) {
+    var callback = networkConfig.callbackMap[id];
+    delete networkConfig.callbackMap[id];
+    return callback;
+  },
+
+  /**
+   * Callback invoked by Chrome
+   *
+   * @param {string} data A list of arguments passed to the callback. The first

[pneubeck (no reviews), 2014/05/08 09:21:43]

nit: data -> args
(similarly below)

[stevenjb, 2014/05/21 20:22:44]

Done.

+   *   entry must be the callbackId passed to chrome.send.
+   */
+  chromeCallbackSuccess: function(data) {
+    var callbackId = data.shift();
+    var callback = networkConfig.retrieveCallback(callbackId);
+    if (callback)
+      callback.apply(null, data);
+    else
+      console.error('Callback not found for id: ' + callbackId);
+  },
+
+  /**
+   * Error Callback invoked by Chrome
+   *
+   * @param {string} data A list of arguments. The first entry must be the
+   *   callbackId passed to chrome.send.
+   */
+  chromeCallbackError: function(data) {
+    var callbackId = data.shift();
+    var error = data.shift();
+    // Get the callback so that it is deleted from the map.
+    networkConfig.retrieveCallback(callbackId);
+    console.error('Callback error: "' + error + '" for id: ' + callbackId);
+  },
+
+  /**
+   * Implement networkingPrivate.getProperties
+   *
+   * @param {string} type The type of networks to return
+   */
+  getProperties: function(guid, callback) {
+    var callbackId = networkConfig.storeCallback(callback);
+    chrome.send('networkConfig.getProperties', [callbackId, guid]);
+  },
+
+  /**
+   * Implement networkingPrivate.getVisibleNetworks
+   *
+   * @param {string} type The type of networks to return
+   */
+  getVisibleNetworks: function(type, callback) {
+    var callbackId = networkConfig.storeCallback(callback);
+    chrome.send('networkConfig.getVisibleNetworks', [callbackId, type]);
+  }
+
+};