gio/tests/gapplication-example-dbushooks.c

   1 #include <gio/gio.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4
   5 static void
   6 activate (GApplication *application)
   7 {
   8   g_print ("activated\n");
   9
  10   /* Note: when doing a longer-lasting action here that returns
  11    * to the mainloop, you should use g_application_hold() and
  12    * g_application_release() to keep the application alive until
  13    * the action is completed.
  14    */
  15 }
  16
  17 typedef GApplication TestApplication;
  18 typedef GApplicationClass TestApplicationClass;
  19
  20 static GType test_application_get_type (void);
  21 G_DEFINE_TYPE (TestApplication, test_application, G_TYPE_APPLICATION)
  22
  23 static gboolean
  24 test_application_dbus_register (GApplication    *application,
  25                                 GDBusConnection *connection,
  26                                 const gchar     *object_path,
  27                                 GError         **error)
  28 {
  29   /* We must chain up to the parent class */
  30   if (!G_APPLICATION_CLASS (test_application_parent_class)->dbus_register (application,
  31                                                                            connection,
  32                                                                            object_path,
  33                                                                            error))
  34     return FALSE;
  35
  36   /* Now we can do our own stuff here. For example, we could export some D-Bus objects */
  37   return TRUE;
  38 }
  39
  40 static void
  41 test_application_dbus_unregister (GApplication    *application,
  42                                   GDBusConnection *connection,
  43                                   const gchar     *object_path)
  44 {
  45   /* Do our own stuff here, e.g. unexport any D-Bus objects we exported in the dbus_register
  46    * hook above. Be sure to check that we actually did export them, since the hook
  47    * above might have returned early due to the parent class' hook returning FALSE!
  48    */
  49
  50   /* Lastly, we must chain up to the parent class */
  51   G_APPLICATION_CLASS (test_application_parent_class)->dbus_unregister (application,
  52                                                                         connection,
  53                                                                         object_path);
  54 }
  55
  56 static void
  57 test_application_init (TestApplication *app)
  58 {
  59 }
  60
  61 static void
  62 test_application_class_init (TestApplicationClass *class)
  63 {
  64   GApplicationClass *g_application_class = G_APPLICATION_CLASS (class);
  65
  66   g_application_class->dbus_register = test_application_dbus_register;
  67   g_application_class->dbus_unregister = test_application_dbus_unregister;
  68 }
  69
  70 static GApplication *
  71 test_application_new (const gchar       *application_id,
  72                       GApplicationFlags  flags)
  73 {
  74   g_return_val_if_fail (g_application_id_is_valid (application_id), NULL);
  75
  76   return g_object_new (test_application_get_type (),
  77                        "application-id", application_id,
  78                        "flags", flags,
  79                        NULL);
  80 }
  81
  82 int
  83 main (int argc, char **argv)
  84 {
  85   GApplication *app;
  86   int status;
  87
  88   app = test_application_new ("org.gtk.TestApplication", 0);
  89   g_signal_connect (app, "activate", G_CALLBACK (activate), NULL);
  90   g_application_set_inactivity_timeout (app, 10000);
  91
  92   status = g_application_run (app, argc, argv);
  93
  94   g_object_unref (app);
  95
  96   return status;
  97 }