From 21c55b56bfca1262c3f68918274f82abd37883f7 Mon Sep 17 00:00:00 2001
From: Jonas Jenwald <jonas.jenwald@gmail.com>
Date: Wed, 20 Sep 2023 07:45:33 +0200
Subject: [PATCH] Don't try to close the `altText` dialog if it's not open (PR
 16977 follow-up)

When closing a document in the viewer, e.g. by running `PDFViewerApplication.close()` in the console, the `AltTextManager.#finish` method currently throws *unless* the `altText` dialog is actually open.
Similar to e.g. the PasswordPrompt, we should thus only attempt to close the `altText` dialog when it's open.
---
 web/alt_text_manager.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/web/alt_text_manager.js b/web/alt_text_manager.js
index 63a88a146..fc3b020ee 100644
--- a/web/alt_text_manager.js
+++ b/web/alt_text_manager.js
@@ -152,7 +152,7 @@ class AltTextManager {
   }
 
   #finish() {
-    if (this.#dialog) {
+    if (this.#overlayManager.active === this.#dialog) {
       this.#overlayManager.close(this.#dialog);
     }
   }