/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

/*
 * screensaver-glue.c
 *
 * Copyright (C) 2004 Novell, Inc.
 *
 */

/*
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */

#include <gdk/gdk.h>
#include <gdk/gdkx.h>
#include <X11/Xlib.h>
#include <X11/extensions/scrnsaver.h>


int 
screensaver_info (int *state, int *kind, unsigned long *til_or_since, unsigned long *idle)
{
#if HAVE_LIBXSS == 1
    XScreenSaverInfo ss_info;
    int retval;
    static int inited = 0;
    int event_base, error_base;

    if (GDK_DISPLAY () == NULL)
        return 0;
	
    /* FIXME: This should be called somewhere else. */
    if (! inited) {
        gdk_threads_init ();
        inited = 1;
    }

    gdk_threads_enter ();
    if (XScreenSaverQueryExtension (GDK_DISPLAY (), &event_base, &error_base))
        retval = XScreenSaverQueryInfo (GDK_DISPLAY (), DefaultRootWindow (GDK_DISPLAY ()), &ss_info);
    else
        retval = 0;
    gdk_threads_leave ();

    if (retval != 0) {
        *state = ss_info.state;
        *kind = ss_info.kind;
        *til_or_since = ss_info.til_or_since;
        *idle = ss_info.idle;
        return 1;
    } else {
        return 0;
    }
#else
    return 0;
#endif
}