gio/gnotificationbackend.c

   1 /*
   2  * Copyright © 2013 Lars Uebernickel
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU Lesser General Public License as published
   6  * by the Free Software Foundation; either version 2 of the licence or (at
   7  * your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General
  15  * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
  16  *
  17  * Authors: Lars Uebernickel <lars@uebernic.de>
  18  */
  19
  20 #include "gnotificationbackend.h"
  21
  22 #include "gnotification.h"
  23 #include "gapplication.h"
  24 #include "gactiongroup.h"
  25 #include "giomodule-priv.h"
  26
  27 G_DEFINE_TYPE (GNotificationBackend, g_notification_backend, G_TYPE_OBJECT);
  28
  29 static void
  30 g_notification_backend_class_init (GNotificationBackendClass *class)
  31 {
  32 }
  33
  34 static void
  35 g_notification_backend_init (GNotificationBackend *backend)
  36 {
  37 }
  38
  39 GNotificationBackend *
  40 g_notification_backend_new_default (GApplication *application)
  41 {
  42   GType backend_type;
  43   GNotificationBackend *backend;
  44
  45   g_return_val_if_fail (G_IS_APPLICATION (application), NULL);
  46
  47   backend_type = _g_io_module_get_default_type (G_NOTIFICATION_BACKEND_EXTENSION_POINT_NAME,
  48                                                 "GNOTIFICATION_BACKEND",
  49                                                 G_STRUCT_OFFSET (GNotificationBackendClass, is_supported));
  50
  51   backend = g_object_new (backend_type, NULL);
  52
  53   /* Avoid ref cycle by not taking a ref to the application at all. The
  54    * backend only lives as long as the application does.
  55    */
  56   backend->application = application;
  57
  58   backend->dbus_connection = g_application_get_dbus_connection (application);
  59   if (backend->dbus_connection)
  60     g_object_ref (backend->dbus_connection);
  61
  62   return backend;
  63 }
  64
  65 void
  66 g_notification_backend_send_notification (GNotificationBackend *backend,
  67                                           const gchar          *id,
  68                                           GNotification        *notification)
  69 {
  70   g_return_if_fail (G_IS_NOTIFICATION_BACKEND (backend));
  71   g_return_if_fail (G_IS_NOTIFICATION (notification));
  72
  73   G_NOTIFICATION_BACKEND_GET_CLASS (backend)->send_notification (backend, id, notification);
  74 }
  75
  76 void
  77 g_notification_backend_withdraw_notification (GNotificationBackend *backend,
  78                                               const gchar          *id)
  79 {
  80   g_return_if_fail (G_IS_NOTIFICATION_BACKEND (backend));
  81   g_return_if_fail (id != NULL);
  82
  83   G_NOTIFICATION_BACKEND_GET_CLASS (backend)->withdraw_notification (backend, id);
  84 }