src/chrome/common/extensions/docs/examples/api/notifications/options.js

   1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 /*
   6   Grays out or [whatever the opposite of graying out is called] the option
   7   field.
   8 */
   9 function ghost(isDeactivated) {
  10   options.style.color = isDeactivated ? 'graytext' : 'black';
  11                                               // The label color.
  12   options.frequency.disabled = isDeactivated; // The control manipulability.
  13 }
  14
  15 window.addEventListener('load', function() {
  16   // Initialize the option controls.
  17   options.isActivated.checked = JSON.parse(localStorage.isActivated);
  18                                          // The display activation.
  19   options.frequency.value = localStorage.frequency;
  20                                          // The display frequency, in minutes.
  21
  22   if (!options.isActivated.checked) { ghost(true); }
  23
  24   // Set the display activation and frequency.
  25   options.isActivated.onchange = function() {
  26     localStorage.isActivated = options.isActivated.checked;
  27     ghost(!options.isActivated.checked);
  28   };
  29
  30   options.frequency.onchange = function() {
  31     localStorage.frequency = options.frequency.value;
  32   };
  33 });