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Diffstat (limited to 'applets/brightness/egg-dbus-monitor.c')
-rw-r--r-- | applets/brightness/egg-dbus-monitor.c | 251 |
1 files changed, 0 insertions, 251 deletions
diff --git a/applets/brightness/egg-dbus-monitor.c b/applets/brightness/egg-dbus-monitor.c deleted file mode 100644 index b8238d1..0000000 --- a/applets/brightness/egg-dbus-monitor.c +++ /dev/null @@ -1,251 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- - * - * Copyright (C) 2006-2008 Richard Hughes <[email protected]> - * - * Licensed under the GNU General Public License Version 2 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "config.h" - -#include <string.h> -#include <stdlib.h> -#include <stdio.h> -#include <glib.h> -#include <dbus/dbus-glib.h> -#include <dbus/dbus-glib-lowlevel.h> -#include <dbus/dbus.h> - -#include "egg-debug.h" -#include "egg-dbus-monitor.h" - -static void egg_dbus_monitor_finalize (GObject *object); - -#define EGG_DBUS_MONITOR_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), EGG_TYPE_DBUS_MONITOR, EggDbusMonitorPrivate)) - -struct EggDbusMonitorPrivate -{ - gchar *service; - DBusGProxy *proxy; - DBusGConnection *connection; - const gchar *unique_name; -}; - -enum { - EGG_DBUS_MONITOR_CONNECTION_CHANGED, - EGG_DBUS_MONITOR_CONNECTION_REPLACED, - EGG_DBUS_MONITOR_LAST_SIGNAL -}; - -static guint signals [EGG_DBUS_MONITOR_LAST_SIGNAL] = { 0 }; - -G_DEFINE_TYPE (EggDbusMonitor, egg_dbus_monitor, G_TYPE_OBJECT) - -/** - * egg_dbus_monitor_name_owner_changed_cb: - **/ -static void -egg_dbus_monitor_name_owner_changed_cb (DBusGProxy *proxy, const gchar *name, - const gchar *prev, const gchar *new, - EggDbusMonitor *monitor) -{ - guint new_len; - guint prev_len; - - g_return_if_fail (EGG_IS_DBUS_MONITOR (monitor)); - if (monitor->priv->proxy == NULL) - return; - - /* not us */ - if (strcmp (name, monitor->priv->service) != 0) - return; - - /* ITS4: ignore, not used for allocation */ - new_len = strlen (new); - /* ITS4: ignore, not used for allocation */ - prev_len = strlen (prev); - - /* something --> nothing */ - if (prev_len != 0 && new_len == 0) { - g_signal_emit (monitor, signals [EGG_DBUS_MONITOR_CONNECTION_CHANGED], 0, FALSE); - return; - } - - /* nothing --> something */ - if (prev_len == 0 && new_len != 0) { - g_signal_emit (monitor, signals [EGG_DBUS_MONITOR_CONNECTION_CHANGED], 0, TRUE); - return; - } - - /* something --> something (we've replaced the old process) */ - if (prev_len != 0 && new_len != 0) { - /* only send this to the prev client */ - if (strcmp (monitor->priv->unique_name, prev) == 0) - g_signal_emit (monitor, signals [EGG_DBUS_MONITOR_CONNECTION_REPLACED], 0); - return; - } -} - -/** - * egg_dbus_monitor_assign: - * @monitor: This class instance - * @connection: The bus connection - * @service: The EGG_DBUS_MONITOR service name - * Return value: success - * - * Emits connection-changed(TRUE) if connection is alive - this means you - * have to connect up the callback before this function is called. - **/ -gboolean -egg_dbus_monitor_assign (EggDbusMonitor *monitor, DBusGConnection *connection, const gchar *service) -{ - GError *error = NULL; - gboolean connected; - DBusConnection *conn; - - g_return_val_if_fail (EGG_IS_DBUS_MONITOR (monitor), FALSE); - g_return_val_if_fail (service != NULL, FALSE); - g_return_val_if_fail (connection != NULL, FALSE); - - if (monitor->priv->proxy != NULL) { - egg_warning ("already assigned!"); - return FALSE; - } - - monitor->priv->service = g_strdup (service); - monitor->priv->connection = connection; - monitor->priv->proxy = dbus_g_proxy_new_for_name_owner (monitor->priv->connection, - DBUS_SERVICE_DBUS, - DBUS_PATH_DBUS, - DBUS_INTERFACE_DBUS, - &error); - if (error != NULL) { - egg_warning ("Cannot connect to DBUS: %s", error->message); - g_error_free (error); - return FALSE; - } - dbus_g_proxy_add_signal (monitor->priv->proxy, "NameOwnerChanged", - G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_INVALID); - dbus_g_proxy_connect_signal (monitor->priv->proxy, "NameOwnerChanged", - G_CALLBACK (egg_dbus_monitor_name_owner_changed_cb), - monitor, NULL); - - /* coldplug */ - connected = egg_dbus_monitor_is_connected (monitor); - if (connected) - g_signal_emit (monitor, signals [EGG_DBUS_MONITOR_CONNECTION_CHANGED], 0, TRUE); - - /* save this for the replaced check */ - conn = dbus_g_connection_get_connection (monitor->priv->connection); - monitor->priv->unique_name = dbus_bus_get_unique_name (conn); - return TRUE; -} - -/** - * egg_dbus_monitor_is_connected: - * @monitor: This class instance - * Return value: if we are connected to a valid watch - **/ -gboolean -egg_dbus_monitor_is_connected (EggDbusMonitor *monitor) -{ - DBusError error; - DBusConnection *conn; - gboolean ret; - g_return_val_if_fail (EGG_IS_DBUS_MONITOR (monitor), FALSE); - - /* get raw connection */ - conn = dbus_g_connection_get_connection (monitor->priv->connection); - dbus_error_init (&error); - ret = dbus_bus_name_has_owner (conn, monitor->priv->service, &error); - if (dbus_error_is_set (&error)) { - egg_debug ("error: %s", error.message); - dbus_error_free (&error); - } - - return ret; -} - -/** - * egg_dbus_monitor_class_init: - * @klass: The EggDbusMonitorClass - **/ -static void -egg_dbus_monitor_class_init (EggDbusMonitorClass *klass) -{ - GObjectClass *object_class = G_OBJECT_CLASS (klass); - object_class->finalize = egg_dbus_monitor_finalize; - g_type_class_add_private (klass, sizeof (EggDbusMonitorPrivate)); - signals [EGG_DBUS_MONITOR_CONNECTION_CHANGED] = - g_signal_new ("connection-changed", - G_TYPE_FROM_CLASS (object_class), G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (EggDbusMonitorClass, connection_changed), - NULL, NULL, g_cclosure_marshal_VOID__BOOLEAN, - G_TYPE_NONE, 1, G_TYPE_BOOLEAN); - signals [EGG_DBUS_MONITOR_CONNECTION_REPLACED] = - g_signal_new ("connection-replaced", - G_TYPE_FROM_CLASS (object_class), G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (EggDbusMonitorClass, connection_replaced), - NULL, NULL, g_cclosure_marshal_VOID__VOID, - G_TYPE_NONE, 0); -} - -/** - * egg_dbus_monitor_init: - * @monitor: This class instance - **/ -static void -egg_dbus_monitor_init (EggDbusMonitor *monitor) -{ - monitor->priv = EGG_DBUS_MONITOR_GET_PRIVATE (monitor); - monitor->priv->service = NULL; - monitor->priv->connection = NULL; - monitor->priv->proxy = NULL; -} - -/** - * egg_dbus_monitor_finalize: - * @object: The object to finalize - **/ -static void -egg_dbus_monitor_finalize (GObject *object) -{ - EggDbusMonitor *monitor; - - g_return_if_fail (EGG_IS_DBUS_MONITOR (object)); - - monitor = EGG_DBUS_MONITOR (object); - - g_return_if_fail (monitor->priv != NULL); - if (monitor->priv->proxy != NULL) - g_object_unref (monitor->priv->proxy); - - G_OBJECT_CLASS (egg_dbus_monitor_parent_class)->finalize (object); -} - -/** - * egg_dbus_monitor_new: - * - * Return value: a new EggDbusMonitor object. - **/ -EggDbusMonitor * -egg_dbus_monitor_new (void) -{ - EggDbusMonitor *monitor; - monitor = g_object_new (EGG_TYPE_DBUS_MONITOR, NULL); - return EGG_DBUS_MONITOR (monitor); -} - |