ui/keyboard/resources/elements/kb-altkey-container.js

   1 // Copyright 2014 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 Polymer('kb-altkey-container', {
   6   resetActiveElement: function() {
   7     var activeAccentKeySet = this.querySelector('#' + this.keyset);
   8     var offset = activeAccentKeySet.offset;
   9     var element = activeAccentKeySet.firstElementChild;
  10     while (offset) {
  11       element = element.nextElementSibling;
  12       offset--;
  13     }
  14     element.classList.add('active');
  15   },
  16   up: function(detail) {
  17     this.hidden = true;
  18     this.resetActiveElement();
  19     this.keyset = null;
  20   },
  21   out: function(event) {
  22     // Check if touch is outside container boundaries.
  23     if(!(this.compareDocumentPosition(event.relatedTarget)
  24         & Node.DOCUMENT_POSITION_CONTAINED_BY)) {
  25       this.hidden = true;
  26     }
  27   },
  28
  29   hiddenChanged: function() {
  30     this.fire('stateChange', {
  31       state: 'candidatePopupVisibility',
  32       value: !!this.hidden
  33     });
  34   },
  35 });