third_party/polymer/v1_0/components-chromium/paper-behaviors/paper-inky-focus-behavior-extracted.js

   1 /**
   2    * `Polymer.PaperInkyFocusBehavior` implements a ripple when the element has keyboard focus.
   3    *
   4    * @polymerBehavior Polymer.PaperInkyFocusBehavior
   5    */
   6   Polymer.PaperInkyFocusBehaviorImpl = {
   7
   8     observers: [
   9       '_focusedChanged(receivedFocusFromKeyboard)'
  10     ],
  11
  12     _focusedChanged: function(receivedFocusFromKeyboard) {
  13       if (!this.$.ink) {
  14         return;
  15       }
  16
  17       this.$.ink.holdDown = receivedFocusFromKeyboard;
  18     }
  19
  20   };
  21
  22   /** @polymerBehavior Polymer.PaperInkyFocusBehavior */
  23   Polymer.PaperInkyFocusBehavior = [
  24     Polymer.IronButtonState,
  25     Polymer.IronControlState,
  26     Polymer.PaperInkyFocusBehaviorImpl
  27   ];