From 37eef1dfc2b77a6266baf458d386bb3010fa2f14 Mon Sep 17 00:00:00 2001
From: Jonathan Olson <jonathan.olson@colorado.edu>
Date: Wed, 8 Apr 2020 22:04:48 -0600
Subject: [PATCH] Initial work for removing Events
 .on()/.onStatic()/.off()/.offStatic(), see
 https://github.com/phetsims/scenery/issues/490

---
 js/accessibility/pdom/ParallelDOM.js | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/js/accessibility/pdom/ParallelDOM.js b/js/accessibility/pdom/ParallelDOM.js
index 756d30107..809fe1a4e 100644
--- a/js/accessibility/pdom/ParallelDOM.js
+++ b/js/accessibility/pdom/ParallelDOM.js
@@ -1443,7 +1443,7 @@ const ParallelDOM = {
             focusHighlight.visible = this.focused;
           }
 
-          this.trigger( 'focusHighlightChanged' );
+          this.focusHighlightChangedEmitter.emit();
         }
       },
       set focusHighlight( focusHighlight ) { this.setFocusHighlight( focusHighlight ); },
@@ -2049,7 +2049,7 @@ const ParallelDOM = {
 
           PDOMTree.accessibleOrderChange( this, oldAccessibleOrder, accessibleOrder );
 
-          this.trigger0( 'accessibleOrder' );
+          this.accessibleOrderEmitter.emit();
         }
       },
       set accessibleOrder( value ) { this.setAccessibleOrder( value ); },
@@ -2633,8 +2633,7 @@ const ParallelDOM = {
         // recompute the heading level for this node if it is using the accessibleHeading API.
         this._accessibleHeading && this.computeHeadingLevel();
 
-
-        this.trigger0( 'accessibleContent' );
+        this.accessibleContentEmitter.emit();
       },
 
       /**