From 1f253e9488e6349d7833d76a8da7fa108a35d409 Mon Sep 17 00:00:00 2001
From: Linus Rath <139418639+rathlinus@users.noreply.github.com>
Date: Fri, 16 Oct 2026 19:40:59 +0200
Subject: [PATCH] fix: stop a PDF page rendered after its preview closed from
 leaving files behind

---
 .../main/java/com/anonymous/bulwarkmobile/BulwarkPdfModule.kt | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/android/app/src/main/java/com/anonymous/bulwarkmobile/BulwarkPdfModule.kt b/android/app/src/main/java/com/anonymous/bulwarkmobile/BulwarkPdfModule.kt
index c2461c1c..e92b0805 100644
--- a/android/app/src/main/java/com/anonymous/bulwarkmobile/BulwarkPdfModule.kt
+++ b/android/app/src/main/java/com/anonymous/bulwarkmobile/BulwarkPdfModule.kt
@@ -82,7 +82,9 @@ class BulwarkPdfModule(reactContext: ReactApplicationContext) : ReactContextBase
                         bitmap.eraseColor(Color.WHITE)
                         page.render(bitmap, null, null, PdfRenderer.Page.RENDER_MODE_FOR_DISPLAY)
                         val out = fileOf(outUri)
-                        out.parentFile?.mkdirs()
+                        // The preview's folder is gone once it closed; a page
+                        // still queued then must not bring it back.
+                        if (out.parentFile?.isDirectory != true) throw IllegalStateException("preview closed")
                         FileOutputStream(out).use { stream -> bitmap.compress(Bitmap.CompressFormat.PNG, 100, stream) }
                     } finally {
                         bitmap.recycle()