/**********************************************************************
** Copyright (C) 2002 David Woodhouse <dwmw2@infradead.org>
** Heavily based on volumeapplet, (C) 2002 L.J. Potter ljp@llornkcor.com
**  All rights reserved.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
**********************************************************************/

#include "irda.h"
#include <qapplication.h>
#include <stdlib.h>


#include <qpe/resource.h>
#include <qpe/qpeapplication.h>
#include <qpe/timestring.h>
#include <qpe/resource.h>
#include <qpe/config.h>
#include <qpe/applnk.h>
#include <qpe/config.h>

#include <qdir.h>
#include <qfileinfo.h>
#include <qpoint.h>
#include <qpushbutton.h>
#include <qpainter.h>
#include <qcombobox.h>
#include <qspinbox.h>
#include <qslider.h>
#include <qlayout.h>
#include <qframe.h>
#include <qpixmap.h>
#include <qstring.h>
#include <qfile.h>
#include <qtimer.h>
#include <qpopupmenu.h>

#include <net/if.h>
#include <netinet/in.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/ioctl.h>


//===========================================================================

IrdaApplet::IrdaApplet( QWidget *parent, const char *name )
    : QWidget( parent, name )
{
	setFixedHeight( 18 );
	setFixedWidth( 14 );
	sockfd = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP);
	irdaOnPixmap = Resource::loadPixmap( "irdaapplet/irdaon" );
	irdaOffPixmap = Resource::loadPixmap( "irdaapplet/irdaoff" );
	irdaDiscoveryOnPixmap = Resource::loadPixmap( "irdaapplet/magglass" );
	startTimer(5000);
	timerEvent(NULL);
}

IrdaApplet::~IrdaApplet()
{
	close(sockfd);
}

int IrdaApplet::checkIrdaStatus()
{
        struct ifreq ifr;

        strcpy(ifr.ifr_name, "irda0");

        if (ioctl(sockfd, SIOCGIFFLAGS, &ifr))
		return -1;

        return (ifr.ifr_flags & IFF_UP)?1:0;
}

int IrdaApplet::setIrdaStatus(int c)
{
        struct ifreq ifr;

        strcpy(ifr.ifr_name, "irda0");

        if (ioctl(sockfd, SIOCGIFFLAGS, &ifr))
		return -1;

	if (c)
		ifr.ifr_flags |= IFF_UP;
	else
		ifr.ifr_flags &= ~IFF_UP;

        if (ioctl(sockfd, SIOCSIFFLAGS, &ifr))
		return -1;

	return 0;
}

int IrdaApplet::checkIrdaDiscoveryStatus()
{
	QFile discovery("/proc/sys/net/irda/discovery");
	char status;

	discovery.open( IO_ReadOnly|IO_Raw );
	discovery.readBlock (&status, 1);
	discovery.close();

	return atoi(&status);
}

int IrdaApplet::setIrdaDiscoveryStatus(int d)
{
	QFile discovery("/proc/sys/net/irda/discovery");

	discovery.open( IO_WriteOnly|IO_Raw );

	if (d)
		discovery.putch('1');
	else
		discovery.putch('0');

	discovery.close();

	return 0;
}

void IrdaApplet::mousePressEvent( QMouseEvent *)
{
	QPopupMenu *menu = new QPopupMenu();
	QString cmd;
	int ret=0;

	/* Refresh active state */
	timerEvent(NULL);

//	menu->insertItem( tr("More..."), 4 );
	if (irdaactive)
		menu->insertItem( tr("Disable IrDA"), 0 );
	else
		menu->insertItem( tr("Enable IrDA"), 1 );

	if (irdaDiscoveryActive)
		menu->insertItem( tr("Disable Discovery"), 2 );
	else
		menu->insertItem( tr("Enable Discovery"), 3 );

	QPoint p = mapToGlobal( QPoint(1, -menu->sizeHint().height()-1) );
	ret = menu->exec(p, 2);

	qDebug("ret was %d\n", ret);

	switch(ret) {
	case 0:
		setIrdaStatus(0);
		timerEvent(NULL);
		break;
	case 1:
		setIrdaStatus(1);
		timerEvent(NULL);
		break;
	case 2:
		setIrdaDiscoveryStatus(0);
		timerEvent(NULL);
		break;
	case 3:
		setIrdaDiscoveryStatus(1);
		timerEvent(NULL);
		break;
	case 4:
		qDebug("FIXME: Bring up pretty menu...\n");
		// With table of currently-detected devices.
	}

}

void IrdaApplet::timerEvent( QTimerEvent * )
{
    int oldactive = irdaactive;
    int olddiscovery = irdaDiscoveryActive;

    irdaactive = checkIrdaStatus();
    irdaDiscoveryActive = checkIrdaDiscoveryStatus();

    if ((irdaactive != oldactive) || (irdaDiscoveryActive != olddiscovery))
	    paintEvent(NULL);
    
}

void IrdaApplet::paintEvent( QPaintEvent* )
{
	QPainter p(this);
	qDebug("paint irda pixmap");

	p.eraseRect ( 0, 0, this->width(), this->height() );
	if (irdaactive > 0)
		p.drawPixmap( 0, 1,  irdaOnPixmap );
	else
		p.drawPixmap( 0, 1,  irdaOffPixmap );

	if (irdaDiscoveryActive > 0)
		p.drawPixmap( 0, 1,  irdaDiscoveryOnPixmap );
}