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/*
This file is part of the KDE project
Copyright (c) 2003 George Staikos <staikos@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "pb_monitor.h"
#include <sys/types.h>
#include <unistd.h>
#include <kgenericfactory.h>
extern "C" {
#include <pbbipc.h>
}
namespace KMilo {
PowerBookMonitor::PowerBookMonitor(TQObject *parent, const char *name, const TQStringList& args)
: Monitor(parent, name, args) {
_serverPort = -1;
_clientPort = -1;
_progress = 0;
}
PowerBookMonitor::~PowerBookMonitor() {
struct pbb_message msg;
if (_serverPort >= 0) {
msg.code = UNREGISTERCLIENT;
msg.value = _clientPort;
put_message(_serverPort, &msg);
}
if (_clientPort >= 0) {
remove_msgport(_clientPort);
}
}
bool PowerBookMonitor::init() {
_serverPort = find_msgport(SERVERPORTKEY);
if (_serverPort < 0) {
return false;
}
_clientPort = create_msgport(getpid());
if (_clientPort < 0) {
_serverPort = -1;
return false;
}
// Register
struct pbb_message msg;
msg.code = REGISTERCLIENT;
msg.value = _clientPort;
if (put_message(_serverPort, &msg) < 0) {
remove_msgport(_clientPort);
_clientPort = -1;
_serverPort = -1;
return false;
}
return true;
}
Monitor::DisplayType PowerBookMonitor::poll() {
Monitor::DisplayType rc = None;
struct pbb_message msg;
if (_serverPort < 0 || _clientPort < 0)
return Error;
// Drain the queue, send the last message
while (0 == get_message(_clientPort, 0, &msg)) {
switch (msg.code) {
case DISPLAYVOLUME:
rc = Monitor::Volume;
_progress = msg.value;
break;
case DISPLAYMUTE:
rc = Monitor::Mute;
_progress = msg.value;
break;
case DISPLAYBRIGHTNESS:
rc = Monitor::Brightness;
_progress = msg.value*100/15;
break;
case REGFAILED:
case CLIENTEXIT:
rc = Monitor::Error;
break;
default:
break;
}
}
return rc;
}
int PowerBookMonitor::progress() const {
return _progress;
}
};
K_EXPORT_COMPONENT_FACTORY(kmilo_powerbook, KGenericFactory<PowerBookMonitor>("kmilo_powerbook"))
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