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/*
This file is part of the KDE project
Copyright (c) 2004 Barry O'Donovan (barry.odonovan@kdemail.net)
The code in this module is heavily based on:
- the Asus Laptop plug-in for KMilo
Copyright (c) 2004 Chris Howells (howells@kde.org)
- the Thinkpad plug-in
Copyright (c) 2004 Jonathan Riddell (jr@jriddell.org)
- the i8k kernel module and utilities (http://www.debian.org/~dz/i8k/)
Copyright (c) 2001-2003 Massimo Dal Zotto <dz@debian.org>
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
*/
#include <kgenericfactory.h>
#include "kmilointerface.h"
#include <fcntl.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include "i8k.h"
/* For compatibilty with i8k kernel driver 1.1 */
#define I8K_VOL_MUTE_1_1 3
#include "delli8k.h"
namespace KMilo
{
DellI8kMonitor::DellI8kMonitor( TQObject* parent, const char* name, const TQStringList& args )
: Monitor( parent, name, args )
{
}
DellI8kMonitor::~DellI8kMonitor()
{
}
bool DellI8kMonitor::init()
{
kdDebug() << "KMilo: loading Dell I8k KMilo plugin" << endl;
// Ensure the Dell I8k kernel module is installed/loaded
if( ( m_fd = open( I8K_PROC, O_RDONLY ) ) < 0 )
{
kdDebug() << "KMilo: DellI8kMonitor: unable to open i8k proc file: " << I8K_PROC
<< " in init()" << endl;
return false;
}
else
{
kmixClient = new DCOPRef( "kmix", "Mixer0" );
kmixWindow = new DCOPRef( "kmix", "kmix-mainwindow#1" );
retrieveVolume();
retrieveMute();
}
return true;
}
Monitor::DisplayType DellI8kMonitor::poll()
{
Monitor::DisplayType pollResult = None;
if( ( m_status = fn_status( m_fd ) ) < 0 )
{
kdDebug() << "KMilo: DellI8kMonitor: unable to read fn status in poll()" << endl;
return pollResult;
}
else
{
switch( m_status )
{
case I8K_VOL_UP:
pollResult = Volume;
retrieveVolume();
setVolume( m_volume + DELLI8K_VOLUME_STEPSIZE );
m_progress = m_volume;
break;
case I8K_VOL_DOWN:
pollResult = Volume;
retrieveVolume();
setVolume( m_volume - DELLI8K_VOLUME_STEPSIZE );
m_progress = m_volume;
break;
case I8K_VOL_MUTE:
case I8K_VOL_MUTE_1_1:
pollResult = None;
retrieveMute();
setMute( !m_mute );
if( m_mute )
_interface->displayText( i18n( "Mute On" ) );
else
_interface->displayText( i18n( "Mute Off" ) );
break;
case 0:
break;
default:
kdDebug() << "KMile: DellI8kMonitor: invalid button status: " << m_status
<< " in poll()" << endl;
break;
}
}
return pollResult;
}
int DellI8kMonitor::progress() const
{
return m_progress;
}
bool DellI8kMonitor::retrieveVolume()
{
bool kmix_error = false;
DCOPReply reply = kmixClient->call( "masterVolume");
if( reply.isValid() )
{
m_volume = reply;
}
else
{
kmix_error = true;
}
if (kmix_error)
{
// maybe the error occurred because kmix wasn't running
if( kapp->startServiceByDesktopName( "kmix" ) == 0 ) // trying to start kmix
{
// trying again
reply = kmixClient->call( "masterVolume");
if( reply.isValid() )
{
m_volume = reply;
kmix_error = false;
kmixWindow->send( "hide" );
}
}
}
if (kmix_error)
{
kdError() << "KMilo: DellI8kMonitor could not access kmix/Mixer0 via dcop" << endl;
return false;
}
return true;
}
void DellI8kMonitor::setVolume(int volume)
{
if( !retrieveVolume() )
{
return;
}
if( volume > 100 )
{
m_volume = 100;
}
else if( volume < 0 )
{
m_volume = 0;
}
else
{
m_volume = volume;
}
kmixClient->send("setMasterVolume", m_volume);
m_progress = m_volume;
}
bool DellI8kMonitor::retrieveMute()
{
bool kmix_error = false;
DCOPReply reply = kmixClient->call( "masterMute" );
if( reply.isValid() )
{
m_mute = reply;
}
else
{
kmix_error = true;
}
if (kmix_error)
{
// maybe the error occurred because kmix wasn't running
if( kapp->startServiceByDesktopName( "kmix" ) == 0 ) // trying to start kmix
{
// trying again
reply = kmixClient->call( "masterVolume" );
if( reply.isValid() )
{
m_volume = reply;
kmix_error = false;
kmixWindow->send( "hide" );
}
}
}
if (kmix_error)
{
kdError() << "KMilo: DellI8kMonitor could not access kmix/Mixer0 via dcop in isMute()" << endl;
return false;
}
return true;
}
void DellI8kMonitor::setMute( bool b )
{
m_mute = b;
kmixClient->send( "setMasterMute", m_mute );
}
int DellI8kMonitor::fn_status( int fd )
{
int args[1];
int rc;
if( ( rc = ioctl( fd, I8K_FN_STATUS, &args ) ) < 0 )
{
kdError() << "KMilo: DellI8kMonitor: ioctl failed in fn_status()" << endl;
return rc;
}
return args[0];
}
} //close namespace
K_EXPORT_COMPONENT_FACTORY( kmilo_delli8k, KGenericFactory<KMilo::DellI8kMonitor>( "kmilo_delli8k" ) )
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