From a16ecc7986337da4d27ff2271462bf22dc401d29 Mon Sep 17 00:00:00 2001
From: Steve McConnel <stephen_mcconnel@sil.org>
Date: Mon, 23 Sep 2024 11:18:42 -0600
Subject: [PATCH] fix: Stop audio in progress immediately when changing pages
 (BL-13905)

---
 src/narration.ts | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/narration.ts b/src/narration.ts
index b2a5f7ad..e69d9fcc 100644
--- a/src/narration.ts
+++ b/src/narration.ts
@@ -44,6 +44,19 @@ export enum PlaybackMode {
 
 export let currentPlaybackMode: PlaybackMode = PlaybackMode.NewPage;
 export function setCurrentPlaybackMode(mode: PlaybackMode) {
+    if (
+        currentPlaybackMode === PlaybackMode.AudioPlaying &&
+        mode === PlaybackMode.NewPage
+    ) {
+        const mediaPlayer = getPlayer();
+        if (mediaPlayer) {
+            // Make sure the audio stops (pauses) before we move on to the next page.  (See BL-13905.)
+            // Make the current playing element the only one in the stack for the playEnded() method
+            // to process.
+            elementsToPlayConsecutivelyStack = [mediaPlayer];
+            playEnded();
+        }
+    }
     currentPlaybackMode = mode;
 }