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From 6cb3937aa9cf0c9905a77d0bc2b5be8cc2536e44 Mon Sep 17 00:00:00 2001
From: Dimitar Zhekov <hamster@mbox.contact.bg>
Date: Thu, 30 Aug 2012 20:52:14 +0000
Subject: Handle multiple interactive session save (bug #5379).
Additionnaly, we now use SmSaveGlobal on log out / shutdown without
session save which avoids data loss. Previously clients would not save
anything on log out without session save.
Based on original work by Chris Bainbridge (chris.bainbridge@gmail.com).
---
diff --git a/xfce4-session/xfsm-manager.c b/xfce4-session/xfsm-manager.c
index bf6a446..35811c5 100644
--- a/xfce4-session/xfsm-manager.c
+++ b/xfce4-session/xfsm-manager.c
@@ -98,6 +98,7 @@ struct _XfsmManager
XfsmShutdownType shutdown_type;
XfsmShutdown *shutdown_helper;
+ gboolean save_session;
gboolean session_chooser;
gchar *session_name;
@@ -230,6 +231,7 @@ xfsm_manager_init (XfsmManager *manager)
manager->failsafe_mode = TRUE;
manager->shutdown_type = XFSM_SHUTDOWN_LOGOUT;
manager->shutdown_helper = xfsm_shutdown_get ();
+ manager->save_session = TRUE;
manager->pending_properties = g_queue_new ();
manager->starting_properties = g_queue_new ();
@@ -989,7 +991,9 @@ xfsm_manager_interact (XfsmManager *manager,
XfsmClient *cl = lp->data;
if (xfsm_client_get_state (cl) == XFSM_CLIENT_INTERACTING)
{
- xfsm_client_set_state (cl, XFSM_CLIENT_WAITFORINTERACT);
+ /* a client is already interacting, so new client has to wait */
+ xfsm_client_set_state (client, XFSM_CLIENT_WAITFORINTERACT);
+ xfsm_manager_cancel_client_save_timeout(manager, client);
return;
}
}
@@ -1138,44 +1142,47 @@ xfsm_manager_save_yourself_global (XfsmManager *manager,
}
}
- if (!shutdown || shutdown_save)
+ /* don't save the session if shutting down without save */
+ manager->save_session = !shutdown || shutdown_save;
+
+ if (save_type == SmSaveBoth && !manager->save_session)
{
- xfsm_manager_set_state (manager,
- shutdown
- ? XFSM_MANAGER_SHUTDOWN
- : XFSM_MANAGER_CHECKPOINT);
+ /* saving the session, so clients should
+ * (prompt to) save the user data only */
+ save_type = SmSaveGlobal;
+ }
- /* handle legacy applications first! */
- xfsm_legacy_perform_session_save ();
+ xfsm_manager_set_state (manager,
+ shutdown
+ ? XFSM_MANAGER_SHUTDOWN
+ : XFSM_MANAGER_CHECKPOINT);
- for (lp = g_queue_peek_nth_link (manager->running_clients, 0);
- lp;
- lp = lp->next)
- {
- XfsmClient *client = lp->data;
- XfsmProperties *properties = xfsm_client_get_properties (client);
- const gchar *program;
+ /* handle legacy applications first! */
+ if (manager->save_session)
+ xfsm_legacy_perform_session_save ();
- /* xterm's session management is broken, so we won't
- * send a SAVE YOURSELF to xterms */
- program = xfsm_properties_get_string (properties, SmProgram);
- if (program != NULL && strcasecmp (program, "xterm") == 0)
- continue;
+ for (lp = g_queue_peek_nth_link (manager->running_clients, 0);
+ lp;
+ lp = lp->next)
+ {
+ XfsmClient *client = lp->data;
+ XfsmProperties *properties = xfsm_client_get_properties (client);
+ const gchar *program;
- if (xfsm_client_get_state (client) != XFSM_CLIENT_SAVINGLOCAL)
- {
- SmsSaveYourself (xfsm_client_get_sms_connection (client), save_type, shutdown,
- interact_style, fast);
- }
+ /* xterm's session management is broken, so we won't
+ * send a SAVE YOURSELF to xterms */
+ program = xfsm_properties_get_string (properties, SmProgram);
+ if (program != NULL && strcasecmp (program, "xterm") == 0)
+ continue;
- xfsm_client_set_state (client, XFSM_CLIENT_SAVING);
- xfsm_manager_start_client_save_timeout (manager, client);
+ if (xfsm_client_get_state (client) != XFSM_CLIENT_SAVINGLOCAL)
+ {
+ SmsSaveYourself (xfsm_client_get_sms_connection (client), save_type, shutdown,
+ interact_style, fast);
}
- }
- else
- {
- /* shutdown session without saving */
- xfsm_manager_perform_shutdown (manager);
+
+ xfsm_client_set_state (client, XFSM_CLIENT_SAVING);
+ xfsm_manager_start_client_save_timeout (manager, client);
}
}
@@ -1249,7 +1256,12 @@ xfsm_manager_save_yourself_done (XfsmManager *manager,
XfsmClient *client,
gboolean success)
{
- if (xfsm_client_get_state (client) != XFSM_CLIENT_SAVING && xfsm_client_get_state (client) != XFSM_CLIENT_SAVINGLOCAL)
+ /* In xfsm_manager_interact_done we send SmsShutdownCancelled to clients in
+ XFSM_CLIENT_WAITFORINTERACT state. They respond with SmcSaveYourselfDone
+ (xsmp_shutdown_cancelled in libxfce4ui library) so we allow it here. */
+ if (xfsm_client_get_state (client) != XFSM_CLIENT_SAVING &&
+ xfsm_client_get_state (client) != XFSM_CLIENT_SAVINGLOCAL &&
+ xfsm_client_get_state (client) != XFSM_CLIENT_WAITFORINTERACT)
{
xfsm_verbose ("Client Id = %s send SAVE YOURSELF DONE, while not being "
"in save mode. Prepare to be nuked!\n",
@@ -1521,7 +1533,8 @@ xfsm_manager_complete_saveyourself (XfsmManager *manager)
xfsm_verbose ("Manager finished SAVE YOURSELF, session data will be stored now.\n\n");
/* all clients done, store session data */
- xfsm_manager_store_session (manager);
+ if (manager->save_session)
+ xfsm_manager_store_session (manager);
if (manager->state == XFSM_MANAGER_CHECKPOINT)
{
--
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