Merge pull request #15425 from Snuffleupagus/cursor-failed-fullscreen

Don't try to update the cursorTool when switching to PresentationMode failed
mozilla · Sep 12, 2022 · 493bb65 · 493bb65
2 parents 2d1d64b + 71f8680
commit 493bb65
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/web/pdf_cursor_tools.js b/web/pdf_cursor_tools.js
@@ -133,8 +133,10 @@ class PDFCursorTools {
         case PresentationModeState.NORMAL: {
           const previouslyActive = this.activeBeforePresentationMode;
 
-          this.activeBeforePresentationMode = null;
-          this.switchTool(previouslyActive);
+          if (previouslyActive !== null) {
+            this.activeBeforePresentationMode = null;
+            this.switchTool(previouslyActive);
+          }
           break;
         }
       }