third_party/polymer/v1_0/components-chromium/iron-menu-behavior/iron-menubar-behavior-extracted.js

   1
   2
   3   /**
   4    * `Polymer.IronMenubarBehavior` implements accessible menubar behavior.
   5    *
   6    * @polymerBehavior Polymer.IronMenubarBehavior
   7    */
   8   Polymer.IronMenubarBehaviorImpl = {
   9
  10     hostAttributes: {
  11       'role': 'menubar'
  12     },
  13
  14     keyBindings: {
  15       'left': '_onLeftKey',
  16       'right': '_onRightKey'
  17     },
  18
  19     _onUpKey: function(event) {
  20       this._activateFocused(event.detail.keyboardEvent);
  21     },
  22
  23     _onDownKey: function(event) {
  24       this._activateFocused(event.detail.keyboardEvent);
  25     },
  26
  27     _onLeftKey: function() {
  28       this._focusPrevious();
  29     },
  30
  31     _onRightKey: function() {
  32       this._focusNext();
  33     },
  34
  35     _onKeydown: function(event) {
  36       if (this.keyboardEventMatchesKeys(event, 'up down left right esc enter')) {
  37         return;
  38       }
  39
  40       // all other keys focus the menu item starting with that character
  41       this._focusWithKeyboardEvent(event);
  42     }
  43
  44   };
  45
  46   /** @polymerBehavior Polymer.IronMenubarBehavior */
  47   Polymer.IronMenubarBehavior = [
  48     Polymer.IronMenuBehavior,
  49     Polymer.IronMenubarBehaviorImpl
  50   ];
  51