[polymer] Merge of master into polymer10-migration

netlog_viewer/chromeos_view.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.
+
+/**
+ * This view displays information on ChromeOS specific features.
+ */
+var CrosView = (function() {
+  'use strict';
+
+  var fileContent;
+  var passcode = '';
+
+  /**
+   *  Clear file input div
+   *
+   *  @private
+   */
+  function clearFileInput_() {
+    $(CrosView.IMPORT_DIV_ID).innerHTML = $(CrosView.IMPORT_DIV_ID).innerHTML;
+    $(CrosView.IMPORT_ONC_ID).addEventListener('change',
+                                               handleFileChangeEvent_,
+                                               false);
+  }
+
+  /**
+   *  Send file contents and passcode to C++ cros network library.
+   *
+   *  @private
+   */
+  function importONCFile_() {
+    clearParseStatus_();
+    if (fileContent)
+      g_browser.importONCFile(fileContent, passcode);
+    else
+      setParseStatus_('ONC file parse failed: cannot read file');
+    clearFileInput_();
+  }
+
+  /**
+   *  Set the passcode var, and trigger onc import.
+   *
+   *  @param {string} value The passcode value.
+   *  @private
+   */
+  function setPasscode_(value) {
+    passcode = value;
+    if (passcode)
+      importONCFile_();
+  }
+
+  /**
+   *  Unhide the passcode prompt input field and give it focus.
+   *
+   *  @private
+   */
+  function promptForPasscode_() {
+    $(CrosView.PASSCODE_ID).hidden = false;
+    $(CrosView.PASSCODE_INPUT_ID).focus();
+    $(CrosView.PASSCODE_INPUT_ID).select();
+  }
+
+  /**
+   *  Set the fileContent var, and trigger onc import if the file appears to
+   *  not be encrypted, or prompt for passcode if the file is encrypted.
+   *
+   *  @private
+   *  @param {string} text contents of selected file.
+   */
+  function setFileContent_(result) {
+    fileContent = result;
+    // Parse the JSON to get at the top level "Type" property.
+    var jsonObject;
+    // Ignore any parse errors: they'll get handled in the C++ import code.
+    try {
+      jsonObject = JSON.parse(fileContent);
+    } catch (error) {}
+    // Check if file is encrypted.
+    if (jsonObject &&
+        jsonObject.hasOwnProperty('Type') &&
+        jsonObject.Type == 'EncryptedConfiguration') {
+      promptForPasscode_();
+    } else {
+      importONCFile_();
+    }
+  }
+
+  /**
+   *  Clear ONC file parse status.  Clears and hides the parse status div.
+   *
+   *  @private
+   */
+  function clearParseStatus_(error) {
+    var parseStatus = $(CrosView.PARSE_STATUS_ID);
+    parseStatus.hidden = true;
+    parseStatus.textContent = '';
+  }
+
+  /**
+   *  Set ONC file parse status.
+   *
+   *  @private
+   */
+  function setParseStatus_(error) {
+    var parseStatus = $(CrosView.PARSE_STATUS_ID);
+    parseStatus.hidden = false;
+    parseStatus.textContent = error ?
+        'ONC file parse failed: ' + error : 'ONC file successfully parsed';
+    reset_();
+  }
+
+  /**
+   *  Set storing debug logs status.
+   *
+   *  @private
+   */
+  function setStoreDebugLogsStatus_(status) {
+    $(CrosView.STORE_DEBUG_LOGS_STATUS_ID).innerText = status;
+  }
+
+  /**
+   *  Set status for current debug mode.
+   *
+   *  @private
+   */
+  function setNetworkDebugModeStatus_(status) {
+    $(CrosView.DEBUG_STATUS_ID).innerText = status;
+  }
+
+  /**
+   *  An event listener for the file selection field.
+   *
+   *  @private
+   */
+  function handleFileChangeEvent_(event) {
+    clearParseStatus_();
+    var file = event.target.files[0];
+    var reader = new FileReader();
+    reader.onloadend = function(e) {
+      setFileContent_(reader.result);
+    };
+    reader.readAsText(file);
+  }
+
+  /**
+   *  Add event listeners for the file selection, passcode input
+   *  fields, for the button for debug logs storing and for buttons
+   *  for debug mode selection.
+   *
+   *  @private
+   */
+  function addEventListeners_() {
+    $(CrosView.IMPORT_ONC_ID).addEventListener('change',
+                                               handleFileChangeEvent_,
+                                               false);
+
+    $(CrosView.PASSCODE_INPUT_ID).addEventListener('change', function(event) {
+      setPasscode_(this.value);
+    }, false);
+
+    $(CrosView.STORE_DEBUG_LOGS_ID).addEventListener('click', function(event) {
+      $(CrosView.STORE_DEBUG_LOGS_STATUS_ID).innerText = '';
+      g_browser.storeDebugLogs();
+    }, false);
+
+    $(CrosView.DEBUG_WIFI_ID).addEventListener('click', function(event) {
+        setNetworkDebugMode_('wifi');
+    }, false);
+    $(CrosView.DEBUG_ETHERNET_ID).addEventListener('click', function(event) {
+        setNetworkDebugMode_('ethernet');
+    }, false);
+    $(CrosView.DEBUG_CELLULAR_ID).addEventListener('click', function(event) {
+        setNetworkDebugMode_('cellular');
+    }, false);
+    $(CrosView.DEBUG_WIMAX_ID).addEventListener('click', function(event) {
+        setNetworkDebugMode_('wimax');
+    }, false);
+    $(CrosView.DEBUG_NONE_ID).addEventListener('click', function(event) {
+        setNetworkDebugMode_('none');
+    }, false);
+  }
+
+  /**
+   *  Reset fileContent and passcode vars.
+   *
+   *  @private
+   */
+  function reset_() {
+    fileContent = undefined;
+    passcode = '';
+    $(CrosView.PASSCODE_ID).hidden = true;
+  }
+
+  /**
+   *  Enables or disables debug mode for a specified subsystem.
+   *
+   *  @private
+   */
+  function setNetworkDebugMode_(subsystem) {
+    $(CrosView.DEBUG_STATUS_ID).innerText = '';
+    g_browser.setNetworkDebugMode(subsystem);
+  }
+
+  /**
+   *  @constructor
+   *  @extends {DivView}
+   */
+  function CrosView() {
+    assertFirstConstructorCall(CrosView);
+
+    // Call superclass's constructor.
+    DivView.call(this, CrosView.MAIN_BOX_ID);
+
+    g_browser.addCrosONCFileParseObserver(this);
+    g_browser.addStoreDebugLogsObserver(this);
+    g_browser.addSetNetworkDebugModeObserver(this);
+    addEventListeners_();
+  }
+
+  CrosView.TAB_ID = 'tab-handle-chromeos';
+  CrosView.TAB_NAME = 'ChromeOS';
+  CrosView.TAB_HASH = '#chromeos';
+
+  CrosView.MAIN_BOX_ID = 'chromeos-view-tab-content';
+  CrosView.IMPORT_DIV_ID = 'chromeos-view-import-div';
+  CrosView.IMPORT_ONC_ID = 'chromeos-view-import-onc';
+  CrosView.PASSCODE_ID = 'chromeos-view-password-div';
+  CrosView.PASSCODE_INPUT_ID = 'chromeos-view-onc-password';
+  CrosView.PARSE_STATUS_ID = 'chromeos-view-parse-status';
+  CrosView.STORE_DEBUG_LOGS_ID = 'chromeos-view-store-debug-logs';
+  CrosView.STORE_DEBUG_LOGS_STATUS_ID = 'chromeos-view-store-debug-logs-status';
+  CrosView.DEBUG_WIFI_ID = 'chromeos-view-network-debugging-wifi';
+  CrosView.DEBUG_ETHERNET_ID = 'chromeos-view-network-debugging-ethernet';
+  CrosView.DEBUG_CELLULAR_ID = 'chromeos-view-network-debugging-cellular';
+  CrosView.DEBUG_WIMAX_ID = 'chromeos-view-network-debugging-wimax';
+  CrosView.DEBUG_NONE_ID = 'chromeos-view-network-debugging-none';
+  CrosView.DEBUG_STATUS_ID = 'chromeos-view-network-debugging-status';
+
+  cr.addSingletonGetter(CrosView);
+
+  CrosView.prototype = {
+    // Inherit from DivView.
+    __proto__: DivView.prototype,
+
+    onONCFileParse: setParseStatus_,
+    onStoreDebugLogs: setStoreDebugLogsStatus_,
+    onSetNetworkDebugMode: setNetworkDebugModeStatus_,
+  };
+
+  return CrosView;
+})();
+