/*
    KSysGuard, the KDE System Guard
   
	Copyright (c) 2001 Tobias Koenig <tokoe82@yahoo.de>
    
    This program is free software; you can redistribute it and/or
    modify it under the terms of version 2 of the GNU General Public
    License as published by the Free Software Foundation.

    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., 675 Mass Ave, Cambridge, MA 02139, USA.

	$Id: apm.c,v 1.2 2001/09/18 14:03:53 tokoe Exp $
*/

#include <fcntl.h>
#include <machine/apm_bios.h>
#include <stdio.h>

#include "Command.h"
#include "apm.h"
#include "ksysguardd.h"

static int ApmFD, BattFill, BattTime;

#define APMDEV "/dev/apm"

/*
================================ public part =================================
*/

void
initApm(void)
{
	if ((ApmFD = open(APMDEV, O_RDONLY)) < 0)
		return;

	if (updateApm() < 0)
		return;

	registerMonitor("apm/batterycharge", "integer", printApmBatFill,
					printApmBatFillInfo);
	registerMonitor("apm/remainingtime", "integer", printApmBatTime,
					printApmBatTimeInfo);
}

void
exitApm(void)
{
	removeMonitor("apm/batterycharge");
	removeMonitor("apm/remainingtime");

	close(ApmFD);
}

int
updateApm(void)
{
	struct apm_info info;
	int retval;

	retval = ioctl(ApmFD, APMIO_GETINFO, &info);

	BattFill = info.ai_batt_life;
	BattTime = info.ai_batt_time;

	return retval;
}

void
printApmBatFill(const char* c)
{
	fprintf(CurrentClient, "%d\n", BattFill);
}

void
printApmBatFillInfo(const char* c)
{
	fprintf(CurrentClient, "Battery charge\t0\t100\t%%\n");
}

void
printApmBatTime(const char* c)
{
	fprintf(CurrentClient, "%d\n", BattTime);
}

void
printApmBatTimeInfo(const char* c)
{
	fprintf(CurrentClient, "Remaining battery time\t0\t0\tmin\n");
}
