update speakingProperty even with Chromebook workaround, see phetsims…

…/gravity-force-lab-basics#303
phetsims · Feb 7, 2022 · beb44ad · beb44ad
1 parent f3ed08c
commit beb44ad
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/js/accessibility/voicing/voicingManager.js b/js/accessibility/voicing/voicingManager.js
@@ -319,6 +319,10 @@ class VoicingManager extends Announcer {
       this.timeSinceWakingEngine += dt;
       if ( !this.speakingProperty.value && this.voicingQueue.length === 0 && this.timeSinceWakingEngine > ENGINE_WAKE_INTERVAL ) {
         this.timeSinceWakingEngine = 0;
+
+        // the speakingProperty needs to be set to true before requesting speech even for this workaround so that
+        // the speakingProperty and synth.isSpeaking are in sync
+        this.speakingProperty.set( true );
         this.getSynth().speak( new SpeechSynthesisUtterance( '' ) );
 
         // cancel immediately to keep the speakingProperty up to date even with this workaround