From c4a82de4c7ae655d1e2cf3bcb1eed08ad832e63f Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Wed, 7 Aug 2013 12:50:24 +0530
Subject: [PATCH] Confirm quit while delete in progress

---
 src/calibre/db/delete_service.py | 5 +++++
 src/calibre/gui2/ui.py           | 8 ++++++++
 2 files changed, 13 insertions(+)

diff --git a/src/calibre/db/delete_service.py b/src/calibre/db/delete_service.py
index a79afc7d4b..ce5578f888 100644
--- a/src/calibre/db/delete_service.py
+++ b/src/calibre/db/delete_service.py
@@ -113,4 +113,9 @@ def shutdown(timeout=20):
         __ds.shutdown(timeout)
         __ds = None
 
+def has_jobs():
+    global __ds
+    if __ds is not None:
+        return (not __ds.requests.empty()) or __ds.requests.unfinished_tasks
+    return False
 
diff --git a/src/calibre/gui2/ui.py b/src/calibre/gui2/ui.py
index 90eac209b2..196de7cb6a 100644
--- a/src/calibre/gui2/ui.py
+++ b/src/calibre/gui2/ui.py
@@ -809,6 +809,14 @@ class Main(MainWindow, MainWindowMixin, DeviceMixin, EmailMixin,  # {{{
 
             if not question_dialog(self, _('Active jobs'), msg):
                 return False
+        from calibre.db.delete_service import has_jobs
+        if has_jobs():
+            msg = _('Some deleted books are still being moved to the Recycle '
+                    'Bin, if you quit now, they will be left behind. Are you '
+                    'sure you want to quit?')
+            if not question_dialog(self, _('Active jobs'), msg):
+                return False
+
         return True
 
     def shutdown(self, write_settings=True):