ONC import option to chromeos tab in chrome://net-internals

chrome/browser/resources/net_internals/chromeos_view.js

+// Copyright (c) 2011 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.
+
+/**
+ * This view displays information on ChromeOS specific features.
+ */
+var CrosView = (function() {
+  'use strict';
+
+  // We inherit from DivView.
+  var superClass = DivView;
+
+  var fileContent;
+  var passcode = '';
+  function importONCFile() {
+    g_browser.importONCFile(fileContent, passcode);
+  }
+
+  function setPasscode(value) {
+    passcode = value;
+    if (passcode) {
+      importONCFile();
+    }
+  }
+
+  function promptForPasscode() {
+    $('password-div').hidden = false;
+    $('onc-password').focus();
+    $('onc-password').select();

[mmenke, 2011/12/01 19:33:35]

Could you declare all these at the top, like all the other tabs do, rather than
inlining the names everwhere?  It makes refactoring and unit testing a little
easier.

[achuithb, 2011/12/02 05:25:42]

Done.

+  }
+
+  function setFileContent(result) {
+    fileContent = result;
+    // Check if file is encrypted.
+    if (fileContent.search(/begin pgp message/i) == -1) {
+      // Not encrypted, don't need passcode.
+      importONCFile();
+    } else {
+      promptForPasscode();
+    }
+  }
+
+  function addEventListeners() {
+    $('import-onc').addEventListener('change', function(event) {
+      $('parse-status').hidden = true;
+      var file = event.target.files[0];
+      var reader = new FileReader();
+      reader.onloadend = function(e) {
+        setFileContent(this.result);
+      };
+      reader.readAsText(file);
+    }, false);
+
+    $('onc-password').addEventListener('change', function(event) {
+      setPasscode(this.value);
+    }, false);
+  }
+
+  function reset() {
+    fileContent = undefined;
+    passcode = '';
+    $('password-div').hidden = true;
+  }
+
+  /**
+   *  @constructor
+   */
+  function CrosView() {
+    assertFirstConstructorCall(CrosView);
+
+    // Call superclass's constructor.
+    superClass.call(this, CrosView.MAIN_BOX_ID);
+
+    g_browser.addCrosONCFileParseObserver(this);
+    addEventListeners();
+  }
+
+  // ID for special HTML element in category_tabs.html
+  CrosView.TAB_HANDLE_ID = 'tab-handle-chromeos';
+
+  // IDs for special HTML elements in http_cache_view.html
+  CrosView.MAIN_BOX_ID = 'chromeos-view-tab-content';
+
+  cr.addSingletonGetter(CrosView);
+
+  CrosView.prototype = {
+    // Inherit the superclass's methods.
+    __proto__: superClass.prototype,
+
+    onONCFileParse: function(status) {
+      var parseStatus = $('parse-status');
+      parseStatus.hidden = false;
+      parseStatus.textContent = status;
+      reset();
+    }
+  };
+
+  return CrosView;
+})();