Improved isInteresting heuristic, made more AutomationNodes focusable

chrome/browser/resources/chromeos/switch_access/switch_access.js

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * Class to manage SwitchAccess and interact with other controllers.
  *
  * @constructor
  * @implements {SwitchAccessInterface}
  */
@@ skipping 89 matching lines @@
 
   /**
    * Perform the default action on the currently selected node.
    *
    * @override
    */
   doDefault: function() {
     if (!this.node_)
       return;
 
-    let state = this.node_.state;
-    if (state && state.focusable)
-      console.log('Node was focusable, doing default on it')
-    else if (state)
-      console.log('Node was not focusable, but still doing default');
-    else
-      console.log('Node has no state, still doing default');
-    console.log('\n');
     this.node_.doDefault();
   },
 
   /**
    * Open the options page in a new tab.
    *
    * @override
    */
   showOptionsPage: function() {
     let optionsPage = {url: 'options.html'};
@@ skipping 35 matching lines @@
   /**
    * Print out details about a node.
    *
    * @param {chrome.automation.AutomationNode} node
    * @private
    */
   printNode_: function(node) {
     if (node) {
       console.log('Name = ' + node.name);
       console.log('Role = ' + node.role);
+      console.log('Root role = ' + node.root.role);
       if (!node.parent)
         console.log('At index ' + node.indexInParent + ', has no parent');
       else {
         let numSiblings = node.parent.children.length;
         console.log(
             'At index ' + node.indexInParent + ', there are '
             + numSiblings + ' siblings');
       }
       console.log('Has ' + node.children.length + ' children');
     } else {
@@ skipping 52 matching lines @@
    */
   debugMoveToParent: function() {
     let parent = this.treeWalker_.debugMoveToParent(this.node_);
     if (parent) {
       this.node_ = parent;
       this.printNode_(this.node_);
       chrome.accessibilityPrivate.setFocusRing([this.node_.location]);
     }
   }
 };