glib/gio/gdbusobjectmanager.c

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/* GDBus - GLib D-Bus Library
*
* Copyright (C) 2008-2010 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
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* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
* Author: David Zeuthen <davidz@redhat.com>
*/
#include "config.h"
#include "gdbusobject.h"
#include "gdbusobjectmanager.h"
#include "gdbusinterface.h"
#include "gdbusutils.h"
#include "glibintl.h"
#include "gmarshal-internal.h"
/**
* SECTION:gdbusobjectmanager
* @short_description: Base type for D-Bus object managers
* @include: gio/gio.h
*
* The #GDBusObjectManager type is the base type for service- and
* client-side implementations of the standardized
* [org.freedesktop.DBus.ObjectManager](http://dbus.freedesktop.org/doc/dbus-specification.html#standard-interfaces-objectmanager)
* interface.
*
* See #GDBusObjectManagerClient for the client-side implementation
* and #GDBusObjectManagerServer for the service-side implementation.
*/
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/**
* GDBusObjectManager:
*
* #GDBusObjectManager is an opaque data structure and can only be accessed
* using the following functions.
*/
typedef GDBusObjectManagerIface GDBusObjectManagerInterface;
G_DEFINE_INTERFACE (GDBusObjectManager, g_dbus_object_manager, G_TYPE_OBJECT)
enum {
OBJECT_ADDED,
OBJECT_REMOVED,
INTERFACE_ADDED,
INTERFACE_REMOVED,
N_SIGNALS
};
static guint signals[N_SIGNALS];
static void
g_dbus_object_manager_default_init (GDBusObjectManagerIface *iface)
{
/**
* GDBusObjectManager::object-added:
* @manager: The #GDBusObjectManager emitting the signal.
* @object: The #GDBusObject that was added.
*
* Emitted when @object is added to @manager.
*
* Since: 2.30
*/
signals[OBJECT_ADDED] =
g_signal_new (I_("object-added"),
G_TYPE_FROM_INTERFACE (iface),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GDBusObjectManagerIface, object_added),
NULL,
NULL,
NULL,
G_TYPE_NONE,
1,
G_TYPE_DBUS_OBJECT);
/**
* GDBusObjectManager::object-removed:
* @manager: The #GDBusObjectManager emitting the signal.
* @object: The #GDBusObject that was removed.
*
* Emitted when @object is removed from @manager.
*
* Since: 2.30
*/
signals[OBJECT_REMOVED] =
g_signal_new (I_("object-removed"),
G_TYPE_FROM_INTERFACE (iface),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GDBusObjectManagerIface, object_removed),
NULL,
NULL,
NULL,
G_TYPE_NONE,
1,
G_TYPE_DBUS_OBJECT);
/**
* GDBusObjectManager::interface-added:
* @manager: The #GDBusObjectManager emitting the signal.
* @object: The #GDBusObject on which an interface was added.
* @interface: The #GDBusInterface that was added.
*
* Emitted when @interface is added to @object.
*
* This signal exists purely as a convenience to avoid having to
* connect signals to all objects managed by @manager.
*
* Since: 2.30
*/
signals[INTERFACE_ADDED] =
g_signal_new (I_("interface-added"),
G_TYPE_FROM_INTERFACE (iface),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GDBusObjectManagerIface, interface_added),
NULL,
NULL,
_g_cclosure_marshal_VOID__OBJECT_OBJECT,
G_TYPE_NONE,
2,
G_TYPE_DBUS_OBJECT,
G_TYPE_DBUS_INTERFACE);
g_signal_set_va_marshaller (signals[INTERFACE_ADDED],
G_TYPE_FROM_INTERFACE (iface),
_g_cclosure_marshal_VOID__OBJECT_OBJECTv);
/**
* GDBusObjectManager::interface-removed:
* @manager: The #GDBusObjectManager emitting the signal.
* @object: The #GDBusObject on which an interface was removed.
* @interface: The #GDBusInterface that was removed.
*
* Emitted when @interface has been removed from @object.
*
* This signal exists purely as a convenience to avoid having to
* connect signals to all objects managed by @manager.
*
* Since: 2.30
*/
signals[INTERFACE_REMOVED] =
g_signal_new (I_("interface-removed"),
G_TYPE_FROM_INTERFACE (iface),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GDBusObjectManagerIface, interface_removed),
NULL,
NULL,
_g_cclosure_marshal_VOID__OBJECT_OBJECT,
G_TYPE_NONE,
2,
G_TYPE_DBUS_OBJECT,
G_TYPE_DBUS_INTERFACE);
g_signal_set_va_marshaller (signals[INTERFACE_REMOVED],
G_TYPE_FROM_INTERFACE (iface),
_g_cclosure_marshal_VOID__OBJECT_OBJECTv);
}
/* ---------------------------------------------------------------------------------------------------- */
/**
* g_dbus_object_manager_get_object_path:
* @manager: A #GDBusObjectManager.
*
* Gets the object path that @manager is for.
*
* Returns: A string owned by @manager. Do not free.
*
* Since: 2.30
*/
const gchar *
g_dbus_object_manager_get_object_path (GDBusObjectManager *manager)
{
GDBusObjectManagerIface *iface = G_DBUS_OBJECT_MANAGER_GET_IFACE (manager);
return iface->get_object_path (manager);
}
/**
* g_dbus_object_manager_get_objects:
* @manager: A #GDBusObjectManager.
*
* Gets all #GDBusObject objects known to @manager.
*
* Returns: (transfer full) (element-type GDBusObject): A list of
* #GDBusObject objects. The returned list should be freed with
* g_list_free() after each element has been freed with
* g_object_unref().
*
* Since: 2.30
*/
GList *
g_dbus_object_manager_get_objects (GDBusObjectManager *manager)
{
GDBusObjectManagerIface *iface = G_DBUS_OBJECT_MANAGER_GET_IFACE (manager);
return iface->get_objects (manager);
}
/**
* g_dbus_object_manager_get_object:
* @manager: A #GDBusObjectManager.
* @object_path: Object path to look up.
*
* Gets the #GDBusObjectProxy at @object_path, if any.
*
* Returns: (transfer full) (nullable): A #GDBusObject or %NULL. Free with
* g_object_unref().
*
* Since: 2.30
*/
GDBusObject *
g_dbus_object_manager_get_object (GDBusObjectManager *manager,
const gchar *object_path)
{
GDBusObjectManagerIface *iface = G_DBUS_OBJECT_MANAGER_GET_IFACE (manager);
g_return_val_if_fail (g_variant_is_object_path (object_path), NULL);
return iface->get_object (manager, object_path);
}
/**
* g_dbus_object_manager_get_interface:
* @manager: A #GDBusObjectManager.
* @object_path: Object path to look up.
* @interface_name: D-Bus interface name to look up.
*
* Gets the interface proxy for @interface_name at @object_path, if
* any.
*
* Returns: (transfer full) (nullable): A #GDBusInterface instance or %NULL. Free
* with g_object_unref().
*
* Since: 2.30
*/
GDBusInterface *
g_dbus_object_manager_get_interface (GDBusObjectManager *manager,
const gchar *object_path,
const gchar *interface_name)
{
GDBusObjectManagerIface *iface = G_DBUS_OBJECT_MANAGER_GET_IFACE (manager);
g_return_val_if_fail (g_variant_is_object_path (object_path), NULL);
g_return_val_if_fail (g_dbus_is_interface_name (interface_name), NULL);
return iface->get_interface (manager, object_path, interface_name);
}