glib/gio/ggtknotificationbackend.c

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/*
* Copyright © 2013 Lars Uebernickel
*
* 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
2014-01-23 12:58:29 +01:00
* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
* Authors: Lars Uebernickel <lars@uebernic.de>
*/
#include "config.h"
#include "gnotificationbackend.h"
#include "giomodule-priv.h"
#include "gdbusconnection.h"
#include "gapplication.h"
#include "gnotification-private.h"
#define G_TYPE_GTK_NOTIFICATION_BACKEND (g_gtk_notification_backend_get_type ())
#define G_GTK_NOTIFICATION_BACKEND(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), G_TYPE_GTK_NOTIFICATION_BACKEND, GGtkNotificationBackend))
typedef struct _GGtkNotificationBackend GGtkNotificationBackend;
typedef GNotificationBackendClass GGtkNotificationBackendClass;
struct _GGtkNotificationBackend
{
GNotificationBackend parent;
};
GType g_gtk_notification_backend_get_type (void);
G_DEFINE_TYPE_WITH_CODE (GGtkNotificationBackend, g_gtk_notification_backend, G_TYPE_NOTIFICATION_BACKEND,
_g_io_modules_ensure_extension_points_registered ();
g_io_extension_point_implement (G_NOTIFICATION_BACKEND_EXTENSION_POINT_NAME,
g_define_type_id, "gtk", 100))
static gboolean
g_gtk_notification_backend_is_supported (void)
{
GDBusConnection *session_bus;
GVariant *reply;
/* Find out if the notification server is running. This is a
* synchronous call because gio extension points don't support async
* backend verification. This is only run once and only contacts the
* dbus daemon. */
session_bus = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, NULL);
if (session_bus == NULL)
return FALSE;
reply = g_dbus_connection_call_sync (session_bus, "org.freedesktop.DBus", "/org/freedesktop/DBus",
"org.freedesktop.DBus",
"GetNameOwner", g_variant_new ("(s)", "org.gtk.Notifications"),
G_VARIANT_TYPE ("(s)"), G_DBUS_CALL_FLAGS_NONE, -1, NULL, NULL);
g_object_unref (session_bus);
if (reply)
{
g_variant_unref (reply);
return TRUE;
}
else
return FALSE;
}
static void
g_gtk_notification_backend_send_notification (GNotificationBackend *backend,
const gchar *id,
GNotification *notification)
{
GVariant *params;
params = g_variant_new ("(ss@a{sv})", g_application_get_application_id (backend->application),
id,
g_notification_serialize (notification));
g_dbus_connection_call (backend->dbus_connection,
"org.gtk.Notifications", "/org/gtk/Notifications",
"org.gtk.Notifications", "AddNotification", params,
G_VARIANT_TYPE_UNIT,
G_DBUS_CALL_FLAGS_NONE, -1, NULL, NULL, NULL);
}
static void
g_gtk_notification_backend_withdraw_notification (GNotificationBackend *backend,
const gchar *id)
{
GVariant *params;
params = g_variant_new ("(ss)", g_application_get_application_id (backend->application), id);
g_dbus_connection_call (backend->dbus_connection, "org.gtk.Notifications",
"/org/gtk/Notifications", "org.gtk.Notifications",
"RemoveNotification", params, G_VARIANT_TYPE_UNIT,
G_DBUS_CALL_FLAGS_NONE, -1, NULL, NULL, NULL);
}
static void
g_gtk_notification_backend_init (GGtkNotificationBackend *backend)
{
}
static void
g_gtk_notification_backend_class_init (GGtkNotificationBackendClass *class)
{
GNotificationBackendClass *backend_class = G_NOTIFICATION_BACKEND_CLASS (class);
backend_class->is_supported = g_gtk_notification_backend_is_supported;
backend_class->send_notification = g_gtk_notification_backend_send_notification;
backend_class->withdraw_notification = g_gtk_notification_backend_withdraw_notification;
}