add getter to Sim.js to access Display.prototype.utteranceQueue, phet…

…sims/utterance-queue#7
phetsims · Nov 20, 2019 · 3abfa17 · 3abfa17
1 parent 6074cea
commit 3abfa17
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Showing 2 changed files with 9 additions and 1 deletion.
diff --git a/js/NavigationBarSoundToggleButton.js b/js/NavigationBarSoundToggleButton.js
@@ -155,7 +155,7 @@ define( require => {
       self.setAccessibleAttribute( 'aria-pressed', !value );
 
       soundUtterance.alert = value ? simSoundOnString : simSoundOffString;
-      phet.joist.sim.display.utteranceQueue.addToBack( soundUtterance );
+      phet.joist.sim.utteranceQueue.addToBack( soundUtterance );
     };
     soundEnabledProperty.lazyLink( pressedListener );
     this.setAccessibleAttribute( 'aria-pressed', !soundEnabledProperty.get() );

diff --git a/js/Sim.js b/js/Sim.js
@@ -982,6 +982,14 @@ define( require => {
 
       this.navigationBar.accessibleVisible = visible;
       this.homeScreen && this.homeScreen.view.setAccessibleVisible( visible );
+    },
+
+    /**
+     * Get the single utteranceQueue instance to be used by the PhET sim to make aria-live alerts.
+     * @public
+     */
+    get utteranceQueue(){
+      return this.display.utteranceQueue;
     }
   } );
 } );