/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- * * Copyright (C) 2008 William Jon McCann * * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * */ #include "config.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include "gdm-display.h" #include "gdm-xdmcp-chooser-display.h" #include "gdm-xdmcp-chooser-display-glue.h" #include "gdm-common.h" #include "gdm-address.h" #define DEFAULT_SLAVE_COMMAND LIBEXECDIR"/gdm-xdmcp-chooser-slave" #define GDM_DBUS_NAME "/org/gnome/DisplayManager" #define GDM_XDMCP_CHOOSER_SLAVE_DBUS_INTERFACE "org.gnome.DisplayManager.XdmcpChooserSlave" #define GDM_XDMCP_CHOOSER_DISPLAY_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GDM_TYPE_XDMCP_CHOOSER_DISPLAY, GdmXdmcpChooserDisplayPrivate)) struct GdmXdmcpChooserDisplayPrivate { DBusGProxy *slave_proxy; }; enum { PROP_0, }; enum { HOSTNAME_SELECTED, LAST_SIGNAL }; static guint signals [LAST_SIGNAL] = { 0, }; static void gdm_xdmcp_chooser_display_class_init (GdmXdmcpChooserDisplayClass *klass); static void gdm_xdmcp_chooser_display_init (GdmXdmcpChooserDisplay *xdmcp_chooser_display); static void gdm_xdmcp_chooser_display_finalize (GObject *object); G_DEFINE_TYPE (GdmXdmcpChooserDisplay, gdm_xdmcp_chooser_display, GDM_TYPE_XDMCP_DISPLAY) static void on_hostname_selected (DBusGProxy *proxy, const char *hostname, GdmXdmcpChooserDisplay *display) { g_debug ("GdmXdmcpChooserDisplay: hostname selected: %s", hostname); g_signal_emit (display, signals [HOSTNAME_SELECTED], 0, hostname); } static gboolean gdm_xdmcp_chooser_display_set_slave_bus_name (GdmDisplay *display, const char *name, GError **error) { char *display_id; const char *slave_num; char *slave_id; DBusGConnection *connection; GError *local_error; GdmXdmcpChooserDisplay *chooser_display; display_id = NULL; slave_id = NULL; slave_num = NULL; chooser_display = GDM_XDMCP_CHOOSER_DISPLAY (display); if (chooser_display->priv->slave_proxy != NULL) { g_object_unref (chooser_display->priv->slave_proxy); } g_object_get (display, "id", &display_id, NULL); if (g_str_has_prefix (display_id, "/org/gnome/DisplayManager/Display")) { slave_num = display_id + strlen ("/org/gnome/DisplayManager/Display"); } slave_id = g_strdup_printf ("/org/gnome/DisplayManager/Slave%s", slave_num); local_error = NULL; connection = dbus_g_bus_get (DBUS_BUS_SYSTEM, &local_error); if (connection == NULL) { if (local_error != NULL) { g_critical ("error getting system bus: %s", local_error->message); g_error_free (local_error); } } g_debug ("GdmXdmcpChooserDisplay: creating proxy for %s on %s", slave_id, name); chooser_display->priv->slave_proxy = dbus_g_proxy_new_for_name (connection, name, slave_id, GDM_XDMCP_CHOOSER_SLAVE_DBUS_INTERFACE); if (chooser_display->priv->slave_proxy == NULL) { g_warning ("Failed to connect to the slave object"); goto out; } dbus_g_proxy_add_signal (chooser_display->priv->slave_proxy, "HostnameSelected", G_TYPE_STRING, G_TYPE_INVALID); dbus_g_proxy_connect_signal (chooser_display->priv->slave_proxy, "HostnameSelected", G_CALLBACK (on_hostname_selected), display, NULL); out: g_free (display_id); g_free (slave_id); return GDM_DISPLAY_CLASS (gdm_xdmcp_chooser_display_parent_class)->set_slave_bus_name (display, name, error); } static gboolean gdm_xdmcp_chooser_display_manage (GdmDisplay *display) { g_return_val_if_fail (GDM_IS_DISPLAY (display), FALSE); GDM_DISPLAY_CLASS (gdm_xdmcp_chooser_display_parent_class)->manage (display); return TRUE; } static void gdm_xdmcp_chooser_display_class_init (GdmXdmcpChooserDisplayClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); GdmDisplayClass *display_class = GDM_DISPLAY_CLASS (klass); object_class->finalize = gdm_xdmcp_chooser_display_finalize; display_class->manage = gdm_xdmcp_chooser_display_manage; display_class->set_slave_bus_name = gdm_xdmcp_chooser_display_set_slave_bus_name; signals [HOSTNAME_SELECTED] = g_signal_new ("hostname-selected", G_OBJECT_CLASS_TYPE (object_class), G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET (GdmXdmcpChooserDisplayClass, hostname_selected), NULL, NULL, g_cclosure_marshal_VOID__STRING, G_TYPE_NONE, 1, G_TYPE_STRING); g_type_class_add_private (klass, sizeof (GdmXdmcpChooserDisplayPrivate)); dbus_g_object_type_install_info (GDM_TYPE_XDMCP_CHOOSER_DISPLAY, &dbus_glib_gdm_xdmcp_chooser_display_object_info); } static void gdm_xdmcp_chooser_display_init (GdmXdmcpChooserDisplay *xdmcp_chooser_display) { xdmcp_chooser_display->priv = GDM_XDMCP_CHOOSER_DISPLAY_GET_PRIVATE (xdmcp_chooser_display); } static void gdm_xdmcp_chooser_display_finalize (GObject *object) { GdmXdmcpChooserDisplay *chooser_display; g_return_if_fail (object != NULL); g_return_if_fail (GDM_IS_XDMCP_CHOOSER_DISPLAY (object)); chooser_display = GDM_XDMCP_CHOOSER_DISPLAY (object); g_return_if_fail (chooser_display->priv != NULL); if (chooser_display->priv->slave_proxy != NULL) { g_object_unref (chooser_display->priv->slave_proxy); } G_OBJECT_CLASS (gdm_xdmcp_chooser_display_parent_class)->finalize (object); } GdmDisplay * gdm_xdmcp_chooser_display_new (const char *hostname, int number, GdmAddress *address, gint32 session_number) { GObject *object; char *x11_display; x11_display = g_strdup_printf ("%s:%d", hostname, number); object = g_object_new (GDM_TYPE_XDMCP_CHOOSER_DISPLAY, "slave-command", DEFAULT_SLAVE_COMMAND, "remote-hostname", hostname, "x11-display-number", number, "x11-display-name", x11_display, "is-local", FALSE, "remote-address", address, "session-number", session_number, NULL); g_free (x11_display); return GDM_DISPLAY (object); }