gio/gdbusobject.c

   1 /* GDBus - GLib D-Bus Library
   2  *
   3  * Copyright (C) 2008-2010 Red Hat, Inc.
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General
  16  * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
  17  *
  18  * Author: David Zeuthen <davidz@redhat.com>
  19  */
  20
  21 #include "config.h"
  22
  23 #include "gdbusobject.h"
  24 #include "gdbusinterface.h"
  25 #include "gdbusutils.h"
  26
  27 #include "glibintl.h"
  28
  29 /**
  30  * SECTION:gdbusobject
  31  * @short_description: Base type for D-Bus objects
  32  * @include: gio/gio.h
  33  *
  34  * The #GDBusObject type is the base type for D-Bus objects on both
  35  * the service side (see #GDBusObjectSkeleton) and the client side
  36  * (see #GDBusObjectProxy). It is essentially just a container of
  37  * interfaces.
  38  */
  39
  40 /**
  41  * GDBusObject:
  42  *
  43  * #GDBusObject is an opaque data structure and can only be accessed
  44  * using the following functions.
  45  */
  46
  47 typedef GDBusObjectIface GDBusObjectInterface;
  48 G_DEFINE_INTERFACE (GDBusObject, g_dbus_object, G_TYPE_OBJECT)
  49
  50 static void
  51 g_dbus_object_default_init (GDBusObjectIface *iface)
  52 {
  53   /**
  54    * GDBusObject::interface-added:
  55    * @object: The #GDBusObject emitting the signal.
  56    * @interface: The #GDBusInterface that was added.
  57    *
  58    * Emitted when @interface is added to @object.
  59    *
  60    * Since: 2.30
  61    */
  62   g_signal_new (I_("interface-added"),
  63                 G_TYPE_FROM_INTERFACE (iface),
  64                 G_SIGNAL_RUN_LAST,
  65                 G_STRUCT_OFFSET (GDBusObjectIface, interface_added),
  66                 NULL,
  67                 NULL,
  68                 g_cclosure_marshal_VOID__OBJECT,
  69                 G_TYPE_NONE,
  70                 1,
  71                 G_TYPE_DBUS_INTERFACE);
  72
  73   /**
  74    * GDBusObject::interface-removed:
  75    * @object: The #GDBusObject emitting the signal.
  76    * @interface: The #GDBusInterface that was removed.
  77    *
  78    * Emitted when @interface is removed from @object.
  79    *
  80    * Since: 2.30
  81    */
  82   g_signal_new (I_("interface-removed"),
  83                 G_TYPE_FROM_INTERFACE (iface),
  84                 G_SIGNAL_RUN_LAST,
  85                 G_STRUCT_OFFSET (GDBusObjectIface, interface_removed),
  86                 NULL,
  87                 NULL,
  88                 g_cclosure_marshal_VOID__OBJECT,
  89                 G_TYPE_NONE,
  90                 1,
  91                 G_TYPE_DBUS_INTERFACE);
  92 }
  93
  94 /* ---------------------------------------------------------------------------------------------------- */
  95
  96 /**
  97  * g_dbus_object_get_object_path:
  98  * @object: A #GDBusObject.
  99  *
 100  * Gets the object path for @object.
 101  *
 102  * Returns: A string owned by @object. Do not free.
 103  *
 104  * Since: 2.30
 105  */
 106 const gchar *
 107 g_dbus_object_get_object_path (GDBusObject *object)
 108 {
 109   GDBusObjectIface *iface = G_DBUS_OBJECT_GET_IFACE (object);
 110   return iface->get_object_path (object);
 111 }
 112
 113 /**
 114  * g_dbus_object_get_interfaces:
 115  * @object: A #GDBusObject.
 116  *
 117  * Gets the D-Bus interfaces associated with @object.
 118  *
 119  * Returns: (element-type GDBusInterface) (transfer full) : A list of #GDBusInterface instances.
 120  *   The returned list must be freed by g_list_free() after each element has been freed
 121  *   with g_object_unref().
 122  *
 123  * Since: 2.30
 124  */
 125 GList *
 126 g_dbus_object_get_interfaces (GDBusObject *object)
 127 {
 128   GDBusObjectIface *iface = G_DBUS_OBJECT_GET_IFACE (object);
 129   return iface->get_interfaces (object);
 130 }
 131
 132 /**
 133  * g_dbus_object_get_interface:
 134  * @object: A #GDBusObject.
 135  * @interface_name: A D-Bus interface name.
 136  *
 137  * Gets the D-Bus interface with name @interface_name associated with
 138  * @object, if any.
 139  *
 140  * Returns: (transfer full): %NULL if not found, otherwise a
 141  *   #GDBusInterface that must be freed with g_object_unref().
 142  *
 143  * Since: 2.30
 144  */
 145 GDBusInterface *
 146 g_dbus_object_get_interface (GDBusObject *object,
 147                              const gchar *interface_name)
 148 {
 149   GDBusObjectIface *iface = G_DBUS_OBJECT_GET_IFACE (object);
 150   g_return_val_if_fail (g_dbus_is_interface_name (interface_name), NULL);
 151   return iface->get_interface (object, interface_name);
 152 }