cups/cups-eggcups.patch

diff -up cups-2.3.0/backend/ipp.c.eggcups cups-2.3.0/backend/ipp.c
--- cups-2.3.0/backend/ipp.c.eggcups	2019-08-23 17:19:38.000000000 +0200
+++ cups-2.3.0/backend/ipp.c	2019-10-07 12:14:25.385111933 +0200
@@ -143,6 +143,70 @@ static char		tmpfilename[1024] = "";
 static char		mandatory_attrs[1024] = "";
 					/* cupsMandatory value */
 
+#if HAVE_DBUS
+#include <dbus/dbus.h>
+
+static DBusConnection *dbus_connection = NULL;
+
+static int
+init_dbus (void)
+{
+  DBusConnection *connection;
+  DBusError error;
+
+  if (dbus_connection &&
+      !dbus_connection_get_is_connected (dbus_connection)) {
+    dbus_connection_unref (dbus_connection);
+    dbus_connection = NULL;
+  }
+
+  dbus_error_init (&error);
+  connection = dbus_bus_get (getuid () ? DBUS_BUS_SESSION : DBUS_BUS_SYSTEM, &error);
+  if (connection == NULL) {
+    dbus_error_free (&error);
+    return -1;
+  }
+
+  dbus_connection = connection;
+  return 0;
+}
+
+int
+dbus_broadcast_queued_remote (const char *printer_uri,
+			      ipp_status_t status,
+			      unsigned int local_job_id,
+			      unsigned int remote_job_id,
+			      const char *username,
+			      const char *printer_name)
+{
+  DBusMessage *message;
+  DBusMessageIter iter;
+  const char *errstr;
+
+  if (!dbus_connection || !dbus_connection_get_is_connected (dbus_connection)) {
+    if (init_dbus () || !dbus_connection)
+      return -1;
+  }
+
+  errstr = ippErrorString (status);
+  message = dbus_message_new_signal ("/com/redhat/PrinterSpooler",
+				     "com.redhat.PrinterSpooler",
+				     "JobQueuedRemote");
+  dbus_message_iter_init_append (message, &iter);
+  dbus_message_iter_append_basic (&iter, DBUS_TYPE_STRING, &printer_uri);
+  dbus_message_iter_append_basic (&iter, DBUS_TYPE_STRING, &errstr);
+  dbus_message_iter_append_basic (&iter, DBUS_TYPE_UINT32, &local_job_id);
+  dbus_message_iter_append_basic (&iter, DBUS_TYPE_UINT32, &remote_job_id);
+  dbus_message_iter_append_basic (&iter, DBUS_TYPE_STRING, &username);
+  dbus_message_iter_append_basic (&iter, DBUS_TYPE_STRING, &printer_name);
+
+  dbus_connection_send (dbus_connection, message, NULL);
+  dbus_connection_flush (dbus_connection);
+  dbus_message_unref (message);
+
+  return 0;
+}
+#endif /* HAVE_DBUS */
 
 /*
  * Local functions...
@@ -1768,6 +1832,15 @@ main(int  argc,				/* I - Number of comm
       fprintf(stderr, "DEBUG: Print job accepted - job ID %d.\n", job_id);
     }
 
+#if HAVE_DBUS
+    dbus_broadcast_queued_remote (argv[0],
+				  ipp_status,
+				  atoi (argv[1]),
+				  job_id,
+				  argv[2],
+				  getenv ("PRINTER"));
+#endif /* HAVE_DBUS */
+
     ippDelete(response);
 
     if (job_canceled)
diff -up cups-2.3.0/backend/Makefile.eggcups cups-2.3.0/backend/Makefile
--- cups-2.3.0/backend/Makefile.eggcups	2019-10-07 12:14:25.385111933 +0200
+++ cups-2.3.0/backend/Makefile	2019-10-07 12:16:00.457569406 +0200
@@ -257,7 +257,7 @@ dnssd:	dnssd.o ../cups/$(LIBCUPS) libbac
 
 ipp:	ipp.o ../cups/$(LIBCUPS) libbackend.a
 	echo Linking $@...
-	$(LD_CC) $(ALL_LDFLAGS) -o ipp ipp.o libbackend.a $(LINKCUPS)
+	$(LD_CC) $(LDFLAGS) -o ipp ipp.o libbackend.a $(LINKCUPS) $(SERVERLIBS)
 	$(CODE_SIGN) -s "$(CODE_SIGN_IDENTITY)" $@
 	$(RM) http https ipps
 	for file in $(IPPALIASES); do \
diff -up cups-2.3.0/scheduler/subscriptions.c.eggcups cups-2.3.0/scheduler/subscriptions.c
--- cups-2.3.0/scheduler/subscriptions.c.eggcups	2019-08-23 17:19:38.000000000 +0200
+++ cups-2.3.0/scheduler/subscriptions.c	2019-10-07 12:18:21.736478684 +0200
@@ -1257,13 +1257,13 @@ cupsd_send_dbus(cupsd_eventmask_t event,
     what = "PrinterAdded";
   else if (event & CUPSD_EVENT_PRINTER_DELETED)
     what = "PrinterRemoved";
-  else if (event & CUPSD_EVENT_PRINTER_CHANGED)
-    what = "QueueChanged";
   else if (event & CUPSD_EVENT_JOB_CREATED)
     what = "JobQueuedLocal";
   else if ((event & CUPSD_EVENT_JOB_STATE) && job &&
 	   job->state_value == IPP_JOB_PROCESSING)
     what = "JobStartedLocal";
+  else if (event & (CUPSD_EVENT_PRINTER_CHANGED|CUPSD_EVENT_JOB_STATE_CHANGED|CUPSD_EVENT_PRINTER_STATE_CHANGED))
+    what = "QueueChanged";
   else
     return;
 
@@ -1299,7 +1299,7 @@ cupsd_send_dbus(cupsd_eventmask_t event,
   dbus_message_append_iter_init(message, &iter);
   if (dest)
     dbus_message_iter_append_string(&iter, dest->name);
-  if (job)
+  if (job && strcmp (what, "QueueChanged") != 0)
   {
     dbus_message_iter_append_uint32(&iter, job->id);
     dbus_message_iter_append_string(&iter, job->username);