DevTools: Introduce ARIAUtils

third_party/WebKit/Source/devtools/front_end/ui/Toolbar.js

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 589 matching lines @@
    * @param {string} title
    * @param {string=} glyph
    * @param {string=} toggledGlyph
    */
   constructor(title, glyph, toggledGlyph) {
     super(title, glyph, '');
     this._toggled = false;
     this._untoggledGlyph = glyph;
     this._toggledGlyph = toggledGlyph;
     this.element.classList.add('toolbar-state-off');
+    UI.ARIAUtils.setPressed(this.element, false);
   }
 
   /**
    * @return {boolean}
    */
   toggled() {
     return this._toggled;
   }
 
   /**
    * @param {boolean} toggled
    */
   setToggled(toggled) {
     if (this._toggled === toggled)
       return;
     this._toggled = toggled;
     this.element.classList.toggle('toolbar-state-on', toggled);
     this.element.classList.toggle('toolbar-state-off', !toggled);
+    UI.ARIAUtils.setPressed(this.element, toggled);
     if (this._toggledGlyph && this._untoggledGlyph)
       this.setGlyph(toggled ? this._toggledGlyph : this._untoggledGlyph);
   }
 
   /**
    * @param {boolean} withRedColor
    */
   setDefaultWithRedColor(withRedColor) {
     this.element.classList.toggle('toolbar-default-with-red-color', withRedColor);
   }
@@ skipping 358 matching lines @@
 
   /**
    * @override
    * @param {boolean} enabled
    */
   _applyEnabledState(enabled) {
     super._applyEnabledState(enabled);
     this.inputElement.disabled = !enabled;
   }
 };