Compile chrome://settings, part 6

chrome/browser/resources/options/chromeos/bluetooth_pair_device_overlay.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.
 
 cr.define('options', function() {
   /** @const */ var Page = cr.ui.pageManager.Page;
   /** @const */ var PageManager = cr.ui.pageManager.PageManager;
 
   /**
    * Enumeration of possible states during pairing.  The value associated with
@@ skipping 39 matching lines @@
               'bluetooth-pairing');
   }
 
   cr.addSingletonGetter(BluetoothPairing);
 
   BluetoothPairing.prototype = {
     __proto__: Page.prototype,
 
     /**
      * Description of the bluetooth device.
-     * @type {{name: string,
-     *         address: string,
-     *         paired: boolean,
-     *         connected: boolean,
-     *         connecting: boolean,
-     *         connectable: boolean,
-     *         pairing: (string|undefined),
-     *         passkey: (number|undefined),
-     *         pincode: (string|undefined),
-     *         entered: (number|undefined)}}
+     * @type {?BluetoothDevice}
      * @private
      */
     device_: null,
 
     /**
      * Can the dialog be programmatically dismissed.
      * @type {boolean}
      */
     dismissible_: true,
 
@@ skipping 83 matching lines @@
         $('bluetooth-pincode').focus();
       else if (!$('bluetooth-passkey').hidden)
         $('bluetooth-passkey').focus();
     },
 
     /**
      * Configures the overlay for pairing a device.
      * @param {Object} device Description of the bluetooth device.
      */
     update: function(device) {
-      this.device_ = {};
+      this.device_ = /** @type {BluetoothDevice} */({});
       for (var key in device)
         this.device_[key] = device[key];
       // Update the pairing instructions.
-      var instructionsEl = $('bluetooth-pairing-instructions');
+      var instructionsEl = assert($('bluetooth-pairing-instructions'));
       this.clearElement_(instructionsEl);
       this.dismissible_ = ('dismissible' in device) ?
         device.dismissible : true;
 
       var message = loadTimeData.getString(device.pairing);
       message = message.replace('%1', this.device_.name);
       instructionsEl.textContent = message;
 
       // Update visibility of dialog elements.
       if (this.device_.passkey) {
@@ skipping 33 matching lines @@
         this.displayElements_(['bluetooth-pair-device-dismiss-button']);
       }
       // User is required to enter a passkey or pincode before the connect
       // button can be enabled.  The 'oninput' methods for the input fields
       // determine when the connect button becomes active.
       $('bluetooth-pair-device-connect-button').disabled = true;
     },
 
     /**
      * Handles the ENTER key for the passkey or pincode entry field.
-     * @return {Event} a keydown event.
+     * @param {Event} event A keydown event.
      * @private
      */
     keyDownEventHandler_: function(event) {
       /** @const */ var ENTER_KEY_CODE = 13;
       if (event.keyCode == ENTER_KEY_CODE) {
         var button = $('bluetooth-pair-device-connect-button');
         if (!button.hidden)
           button.click();
       }
     },
@@ skipping 26 matching lines @@
         element.removeChild(child);
         child = element.firstChild;
       }
     },
 
     /**
      * Formats an element for displaying the passkey or PIN code.
      * @param {string} key Passkey or PIN to display.
      */
     updatePasskey_: function(key) {
-      var passkeyEl = $('bluetooth-pairing-passkey-display');
+      var passkeyEl = assert($('bluetooth-pairing-passkey-display'));
       var keyClass = (this.device_.pairing == PAIRING.REMOTE_PASSKEY ||
                       this.device_.pairing == PAIRING.REMOTE_PIN_CODE) ?
           'bluetooth-keyboard-button' : 'bluetooth-passkey-char';
       this.clearElement_(passkeyEl);
       // Passkey should always have 6 digits.
       key = '000000'.substring(0, 6 - key.length) + key;
       var progress = this.device_.entered;
       for (var i = 0; i < key.length; i++) {
         var keyEl = document.createElement('span');
         keyEl.textContent = key.charAt(i);
@@ skipping 86 matching lines @@
       dialog.device_.pairing = PAIRING.DISMISSED;
       PageManager.closeOverlay();
     }
   };
 
   // Export
   return {
     BluetoothPairing: BluetoothPairing
   };
 });