[gdm] daemon: move plymouth code from slave to manager

[Ray Strode <halfline src gnome org>]

commit c4a1bf53138ae52ee884e533a4d1985b25da8d3b
Author: Ray Strode <rstrode redhat com>
Date:   Mon Feb 2 16:11:28 2015 -0500

    daemon: move plymouth code from slave to manager
    
    In an effort to pare down the slave code, this commit
    moves the plymouth bits to GdmManager.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=744764

 daemon/gdm-manager.c      |   96 ++++++++++++++++++++++++++++++++++++++++++
 daemon/gdm-simple-slave.c |  101 ---------------------------------------------
 2 files changed, 96 insertions(+), 101 deletions(-)
---
diff --git a/daemon/gdm-manager.c b/daemon/gdm-manager.c
index ab07e13..a4e1839 100644
--- a/daemon/gdm-manager.c
+++ b/daemon/gdm-manager.c
@@ -83,6 +83,10 @@ struct GdmManagerPrivate
         GDBusProxy               *bus_proxy;
         GDBusConnection          *connection;
         GDBusObjectManagerServer *object_manager;
+
+#ifdef  WITH_PLYMOUTH
+        guint                     plymouth_is_running : 1;
+#endif
 };
 
 enum {
@@ -117,6 +121,72 @@ G_DEFINE_TYPE_WITH_CODE (GdmManager,
                          G_IMPLEMENT_INTERFACE (GDM_DBUS_TYPE_MANAGER,
                                                 manager_interface_init));
 
+#ifdef WITH_PLYMOUTH
+static gboolean
+plymouth_is_running (void)
+{
+        int      status;
+        gboolean res;
+        GError  *error;
+
+        error = NULL;
+        res = g_spawn_command_line_sync ("/bin/plymouth --ping",
+                                         NULL, NULL, &status, &error);
+        if (! res) {
+                g_debug ("Could not ping plymouth: %s", error->message);
+                g_error_free (error);
+                return FALSE;
+        }
+
+        return WIFEXITED (status) && WEXITSTATUS (status) == 0;
+}
+
+static void
+plymouth_prepare_for_transition (void)
+{
+        gboolean res;
+        GError  *error;
+
+        error = NULL;
+        res = g_spawn_command_line_sync ("/bin/plymouth deactivate",
+                                         NULL, NULL, NULL, &error);
+        if (! res) {
+                g_warning ("Could not deactivate plymouth: %s", error->message);
+                g_error_free (error);
+        }
+}
+
+static void
+plymouth_quit_with_transition (void)
+{
+        gboolean res;
+        GError  *error;
+
+        error = NULL;
+        res = g_spawn_command_line_sync ("/bin/plymouth quit --retain-splash",
+                                         NULL, NULL, NULL, &error);
+        if (! res) {
+                g_warning ("Could not quit plymouth: %s", error->message);
+                g_error_free (error);
+        }
+}
+
+static void
+plymouth_quit_without_transition (void)
+{
+        gboolean res;
+        GError  *error;
+
+        error = NULL;
+        res = g_spawn_command_line_sync ("/bin/plymouth quit",
+                                         NULL, NULL, NULL, &error);
+        if (! res) {
+                g_warning ("Could not quit plymouth: %s", error->message);
+                g_error_free (error);
+        }
+}
+#endif
+
 #ifdef WITH_SYSTEMD
 static char *
 get_session_id_for_pid_systemd (pid_t    pid,
@@ -1298,16 +1368,35 @@ on_display_status_changed (GdmDisplay *display,
                            GdmManager *manager)
 {
         int         status;
+#ifdef WITH_PLYMOUTH
+        gboolean    display_is_local = FALSE;
+        gboolean    quit_plymouth = FALSE;
+
+        g_object_get (display, "is-local", &display_is_local, NULL);
+        quit_plymouth = display_is_local && manager->priv->plymouth_is_running;
+#endif
 
         status = gdm_display_get_status (display);
 
         switch (status) {
                 case GDM_DISPLAY_MANAGED:
+#ifdef WITH_PLYMOUTH
+                        if (quit_plymouth) {
+                                plymouth_quit_with_transition ();
+                                manager->priv->plymouth_is_running = FALSE;
+                        }
+#endif
                         set_up_greeter_session (manager, display);
                         break;
                 case GDM_DISPLAY_FAILED:
                 case GDM_DISPLAY_UNMANAGED:
                 case GDM_DISPLAY_FINISHED:
+#ifdef WITH_PLYMOUTH
+                        if (quit_plymouth) {
+                                plymouth_quit_without_transition ();
+                                manager->priv->plymouth_is_running = FALSE;
+                        }
+#endif
                         break;
                 default:
                         break;
@@ -2064,6 +2153,13 @@ gdm_manager_start (GdmManager *manager)
 {
         g_debug ("GdmManager: GDM starting to manage displays");
 
+#ifdef WITH_PLYMOUTH
+        manager->priv->plymouth_is_running = plymouth_is_running ();
+
+        if (manager->priv->plymouth_is_running) {
+                plymouth_prepare_for_transition ();
+        }
+#endif
         if (!manager->priv->xdmcp_enabled || manager->priv->show_local_greeter) {
                 gdm_display_factory_start (GDM_DISPLAY_FACTORY (manager->priv->local_factory));
         }
diff --git a/daemon/gdm-simple-slave.c b/daemon/gdm-simple-slave.c
index 28ee5bb..691b14c 100644
--- a/daemon/gdm-simple-slave.c
+++ b/daemon/gdm-simple-slave.c
@@ -87,9 +87,6 @@ struct GdmSimpleSlavePrivate
 #ifdef  HAVE_LOGINDEVPERM
         gboolean           use_logindevperm;
 #endif
-#ifdef  WITH_PLYMOUTH
-        guint              plymouth_is_running : 1;
-#endif
         guint              doing_initial_setup : 1;
 };
 
@@ -337,83 +334,9 @@ on_greeter_environment_session_died (GdmLaunchEnvironment    *greeter_environmen
         gdm_slave_stop (GDM_SLAVE (slave));
 }
 
-#ifdef  WITH_PLYMOUTH
-static gboolean
-plymouth_is_running (void)
-{
-        int      status;
-        gboolean res;
-        GError  *error;
-
-        error = NULL;
-        res = g_spawn_command_line_sync ("/bin/plymouth --ping",
-                                         NULL, NULL, &status, &error);
-        if (! res) {
-                g_debug ("Could not ping plymouth: %s", error->message);
-                g_error_free (error);
-                return FALSE;
-        }
-
-        return WIFEXITED (status) && WEXITSTATUS (status) == 0;
-}
-
-static void
-plymouth_prepare_for_transition (GdmSimpleSlave *slave)
-{
-        gboolean res;
-        GError  *error;
-
-        error = NULL;
-        res = g_spawn_command_line_sync ("/bin/plymouth deactivate",
-                                         NULL, NULL, NULL, &error);
-        if (! res) {
-                g_warning ("Could not deactivate plymouth: %s", error->message);
-                g_error_free (error);
-        }
-}
-
-static void
-plymouth_quit_with_transition (GdmSimpleSlave *slave)
-{
-        gboolean res;
-        GError  *error;
-
-        error = NULL;
-        res = g_spawn_command_line_sync ("/bin/plymouth quit --retain-splash",
-                                         NULL, NULL, NULL, &error);
-        if (! res) {
-                g_warning ("Could not quit plymouth: %s", error->message);
-                g_error_free (error);
-        }
-        slave->priv->plymouth_is_running = FALSE;
-}
-
-static void
-plymouth_quit_without_transition (GdmSimpleSlave *slave)
-{
-        gboolean res;
-        GError  *error;
-
-        error = NULL;
-        res = g_spawn_command_line_sync ("/bin/plymouth quit",
-                                         NULL, NULL, NULL, &error);
-        if (! res) {
-                g_warning ("Could not quit plymouth: %s", error->message);
-                g_error_free (error);
-        }
-        slave->priv->plymouth_is_running = FALSE;
-}
-#endif
-
 static void
 setup_server (GdmSimpleSlave *slave)
 {
-#ifdef WITH_PLYMOUTH
-        /* Plymouth is waiting for the go-ahead to exit */
-        if (slave->priv->plymouth_is_running) {
-                plymouth_quit_with_transition (slave);
-        }
-#endif
 }
 
 static gboolean
@@ -717,12 +640,6 @@ on_server_exited (GdmServer      *server,
         g_debug ("GdmSimpleSlave: server exited with code %d\n", exit_code);
 
         gdm_slave_stop (GDM_SLAVE (slave));
-
-#ifdef WITH_PLYMOUTH
-        if (slave->priv->plymouth_is_running) {
-                plymouth_quit_without_transition (slave);
-        }
-#endif
 }
 
 static void
@@ -735,12 +652,6 @@ on_server_died (GdmServer      *server,
                  g_strsignal (signal_number));
 
         gdm_slave_stop (GDM_SLAVE (slave));
-
-#ifdef WITH_PLYMOUTH
-        if (slave->priv->plymouth_is_running) {
-                plymouth_quit_without_transition (slave);
-        }
-#endif
 }
 
 static void
@@ -838,14 +749,7 @@ gdm_simple_slave_run (GdmSimpleSlave *slave)
                                           "org.freedesktop.Accounts",
                                           NULL,
                                           on_accountsservice_ready, slave);
-                
-#ifdef WITH_PLYMOUTH
-                slave->priv->plymouth_is_running = plymouth_is_running ();
 
-                if (slave->priv->plymouth_is_running) {
-                        plymouth_prepare_for_transition (slave);
-                }
-#endif
                 res = gdm_server_start (slave->priv->server);
                 if (! res) {
                         g_warning (_("Could not start the X "
@@ -856,11 +760,6 @@ gdm_simple_slave_run (GdmSimpleSlave *slave)
                                      "In the meantime this display will be "
                                      "disabled.  Please restart GDM when "
                                      "the problem is corrected."));
-#ifdef WITH_PLYMOUTH
-                        if (slave->priv->plymouth_is_running) {
-                                plymouth_quit_without_transition (slave);
-                        }
-#endif
                         exit (1);
                 }