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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
*
* Copyright (C) 2005-2011 Richard Hughes <richard@hughsie.com>
*
* 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.
*/
#ifndef __GPMCOMMON_H
#define __GPMCOMMON_H
#include <glib.h>
#include <libupower-glib/upower.h>
G_BEGIN_DECLS
/* UPower helpers */
gchar *gpm_get_timestring (guint time);
/* Power helpers */
gboolean gsd_power_is_hardware_a_vm (void);
guint gsd_power_enable_screensaver_watchdog (void);
void reset_idletime (void);
/* Backlight helpers */
/* on ACPI machines we have 4-16 levels, on others it's ~150 */
#define BRIGHTNESS_STEP_AMOUNT(max) ((max) < 20 ? 1 : (max) / 20)
#define ABS_TO_PERCENTAGE(min, max, value) gsd_power_backlight_abs_to_percentage(min, max, value)
#define PERCENTAGE_TO_ABS(min, max, value) gsd_power_backlight_percentage_to_abs(min, max, value)
int gsd_power_backlight_abs_to_percentage (int min, int max, int value);
int gsd_power_backlight_percentage_to_abs (int min, int max, int value);
/* RandR helpers */
void watch_external_monitor (GnomeRRScreen *screen);
gboolean external_monitor_is_connected (GnomeRRScreen *screen);
/* Sound helpers */
void play_loop_start (guint *id);
void play_loop_stop (guint *id);
G_END_DECLS
#endif /* __GPMCOMMON_H */
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