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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
*
* Copyright (C) 2008 Red Hat, Inc.
* Copyright (C) 2012-2021 MATE Developers
*
* 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 St, Fifth Floor, Boston, MA
* 02110-1301, USA.
*
*/
#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <gtk/gtk.h>
#include <gdk/gdkx.h>
#include <dbus/dbus-glib.h>
#define SM_DBUS_NAME "org.gnome.SessionManager"
#define SM_DBUS_PATH "/org/gnome/SessionManager"
#define SM_DBUS_INTERFACE "org.gnome.SessionManager"
static GDBusProxy *sm_proxy = NULL;
static guint cookie = 0;
static gboolean
session_manager_connect (void)
{
GError *error = NULL;
if (sm_proxy == NULL) {
sm_proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SESSION,
G_DBUS_PROXY_FLAGS_NONE,
NULL,
SM_DBUS_NAME,
SM_DBUS_PATH,
SM_DBUS_INTERFACE,
NULL,
&error);
}
return (sm_proxy != NULL);
}
typedef enum {
GSM_INHIBITOR_FLAG_LOGOUT = 1 << 0,
GSM_INHIBITOR_FLAG_SWITCH_USER = 1 << 1,
GSM_INHIBITOR_FLAG_SUSPEND = 1 << 2
} GsmInhibitFlag;
static gboolean
do_inhibit_for_window (GdkWindow *window)
{
GError *error;
GVariant *ret;
const char *startup_id G_GNUC_UNUSED;
const char *app_id;
const char *reason;
guint toplevel_xid;
guint flags;
startup_id = g_getenv ("DESKTOP_AUTOSTART_ID");
app_id = "caja-cd-burner";
reason = "A CD burn is in progress.";
toplevel_xid = gdk_x11_window_get_xid (window);
flags = GSM_INHIBITOR_FLAG_LOGOUT
| GSM_INHIBITOR_FLAG_SWITCH_USER
| GSM_INHIBITOR_FLAG_SUSPEND;
error = NULL;
ret = g_dbus_proxy_call_sync (sm_proxy,
"Inhibit",
g_variant_new ("(susu)", app_id, toplevel_xid, reason, flags),
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
&error);
if (ret == NULL) {
g_warning ("Failed to inhibit: %s", error->message);
g_error_free (error);
return FALSE;
}
g_variant_get (ret, "(u)", &cookie);
g_variant_unref (ret);
g_debug ("Inhibiting session manager: %u", cookie);
return TRUE;
}
static gboolean
session_manager_disconnect (void)
{
if (sm_proxy != NULL) {
g_object_unref (sm_proxy);
sm_proxy = NULL;
}
return TRUE;
}
static gboolean
do_uninhibit (void)
{
GError *error;
GVariant *ret;
error = NULL;
ret = g_dbus_proxy_call_sync (sm_proxy,
"Uninhibit",
g_variant_new ("(u)", cookie),
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
&error);
if (ret == NULL) {
g_warning ("Failed to uninhibit: %s", error->message);
g_error_free (error);
return FALSE;
}
g_variant_unref (ret);
cookie = 0;
return TRUE;
}
static void
on_widget_show (GtkWidget *dialog,
gpointer data)
{
gboolean res;
res = do_inhibit_for_window (gtk_widget_get_window (dialog));
if (! res) {
g_warning ("Unable to register client with session manager");
}
}
int
main (int argc,
char *argv[])
{
gboolean res;
GtkWidget *dialog;
g_log_set_always_fatal (G_LOG_LEVEL_ERROR | G_LOG_LEVEL_CRITICAL | G_LOG_LEVEL_WARNING);
gtk_init (&argc, &argv);
res = session_manager_connect ();
if (! res) {
g_warning ("Unable to connect to session manager");
exit (1);
}
g_timeout_add_seconds (30, (GSourceFunc)gtk_main_quit, NULL);
dialog = gtk_message_dialog_new (NULL,
0,
GTK_MESSAGE_INFO,
GTK_BUTTONS_CANCEL,
"Inhibiting logout, switch user, and suspend.");
g_signal_connect (dialog, "response", G_CALLBACK (gtk_main_quit), NULL);
g_signal_connect (dialog, "show", G_CALLBACK (on_widget_show), NULL);
gtk_widget_show (dialog);
gtk_main ();
do_uninhibit ();
session_manager_disconnect ();
return 0;
}
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