tdehardwaredevices.cpp

/* This file is part of the TDE libraries
   Copyright (C) 2012-2014 Timothy Pearson <kb9vqf@pearsoncomputing.net>

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License version 2 as published by the Free Software Foundation.

   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 "tdehardwaredevices.h"

#include <tqfile.h>
#include <tqdir.h>
#include <tqtimer.h>
#include <tqsocketnotifier.h>
#include <tqstringlist.h>

#include <tdeconfig.h>
#include <kstandarddirs.h>

#include <tdeglobal.h>
#include <tdelocale.h>

#include <tdeapplication.h>
#include <dcopclient.h>

extern "C" {
#include <libudev.h>
}

#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>

// Network devices
#include <sys/types.h>
#include <ifaddrs.h>
#include <netdb.h>

// Backlight devices
#include <linux/fb.h>

// Input devices
#include <linux/input.h>

#include "kiconloader.h"

#include "tdegenericdevice.h"
#include "tdestoragedevice.h"
#include "tdecpudevice.h"
#include "tdebatterydevice.h"
#include "tdemainspowerdevice.h"
#include "tdenetworkdevice.h"
#include "tdebacklightdevice.h"
#include "tdemonitordevice.h"
#include "tdesensordevice.h"
#include "tderootsystemdevice.h"
#include "tdeeventdevice.h"
#include "tdeinputdevice.h"
#include "tdecryptographiccarddevice.h"

// Compile-time configuration
#include "config.h"

// Profiling stuff
//#define CPUPROFILING
//#define STATELESSPROFILING

#include <time.h>
timespec diff(timespec start, timespec end)
{
    timespec temp;
    if ((end.tv_nsec-start.tv_nsec)<0) {
        temp.tv_sec = end.tv_sec-start.tv_sec-1;
        temp.tv_nsec = 1000000000+end.tv_nsec-start.tv_nsec;
    } else {
        temp.tv_sec = end.tv_sec-start.tv_sec;
        temp.tv_nsec = end.tv_nsec-start.tv_nsec;
    }
    return temp;
}

// BEGIN BLOCK
// Copied from include/linux/genhd.h
#define GENHD_FL_REMOVABLE                      1
#define GENHD_FL_MEDIA_CHANGE_NOTIFY            4
#define GENHD_FL_CD                             8
#define GENHD_FL_UP                             16
#define GENHD_FL_SUPPRESS_PARTITION_INFO        32
#define GENHD_FL_EXT_DEVT                       64
#define GENHD_FL_NATIVE_CAPACITY                128
#define GENHD_FL_BLOCK_EVENTS_ON_EXCL_WRITE     256
// END BLOCK

// NOTE TO DEVELOPERS
// This command will greatly help when attempting to find properties to distinguish one device from another
// udevadm info --query=all --path=/sys/....

// This routine is courtsey of an answer on "Stack Overflow"
// It takes an LSB-first int and makes it an MSB-first int (or vice versa)
unsigned int reverse_bits(unsigned int x)
{
    x = (((x & 0xaaaaaaaa) >> 1) | ((x & 0x55555555) << 1));
    x = (((x & 0xcccccccc) >> 2) | ((x & 0x33333333) << 2));
    x = (((x & 0xf0f0f0f0) >> 4) | ((x & 0x0f0f0f0f) << 4));
    x = (((x & 0xff00ff00) >> 8) | ((x & 0x00ff00ff) << 8));
    return((x >> 16) | (x << 16));
}

// Helper function implemented in tdestoragedevice.cpp
TQString decodeHexEncoding(TQString str);

TDEHardwareDevices::TDEHardwareDevices() {
    // Initialize members
    pci_id_map = 0;
    usb_id_map = 0;
    pnp_id_map = 0;
    dpy_id_map = 0;

    // Set up device list
    m_deviceList.setAutoDelete( true ); // the list owns the objects

    // Initialize udev interface
    m_udevStruct = udev_new();
    if (!m_udevStruct) {
        printf("Unable to create udev interface\n");
    }

    if (m_udevStruct) {
        // Set up device add/remove monitoring
        m_udevMonitorStruct = udev_monitor_new_from_netlink(m_udevStruct, "udev");
        udev_monitor_filter_add_match_subsystem_devtype(m_udevMonitorStruct, NULL, NULL);
        udev_monitor_enable_receiving(m_udevMonitorStruct);

        int udevmonitorfd = udev_monitor_get_fd(m_udevMonitorStruct);
        if (udevmonitorfd >= 0) {
            m_devScanNotifier = new TQSocketNotifier(udevmonitorfd, TQSocketNotifier::Read, this);
            connect( m_devScanNotifier, TQT_SIGNAL(activated(int)), this, TQT_SLOT(processHotPluggedHardware()) );
        }

        // Read in the current mount table
        // Yes, a race condition exists between this and the mount monitor start below, but it shouldn't be a problem 99.99% of the time
        m_mountTable.clear();
        TQFile file( "/proc/mounts" );
        if ( file.open( IO_ReadOnly ) ) {
            TQTextStream stream( &file );
            while ( !stream.atEnd() ) {
                TQString line = stream.readLine();
                if (!line.isEmpty()) {
                    m_mountTable[line] = true;
                }
            }
            file.close();
        }

        // Monitor for changed mounts
        m_procMountsFd = open("/proc/mounts", O_RDONLY, 0);
        if (m_procMountsFd >= 0) {
            m_mountScanNotifier = new TQSocketNotifier(m_procMountsFd, TQSocketNotifier::Exception, this);
            connect( m_mountScanNotifier, TQT_SIGNAL(activated(int)), this, TQT_SLOT(processModifiedMounts()) );
        }

        // Read in the current cpu information
        // Yes, a race condition exists between this and the cpu monitor start below, but it shouldn't be a problem 99.99% of the time
        m_cpuInfo.clear();
        TQFile cpufile( "/proc/cpuinfo" );
        if ( cpufile.open( IO_ReadOnly ) ) {
            TQTextStream stream( &cpufile );
            while ( !stream.atEnd() ) {
                m_cpuInfo.append(stream.readLine());
            }
            cpufile.close();
        }

// [FIXME 0.01]
// Apparently the Linux kernel just does not notify userspace applications of CPU frequency changes
// This is STUPID, as it means I have to poll the CPU information structures with a 0.5 second or so timer just to keep the information up to date
#if 0
        // Monitor for changed cpu information
        // Watched directories are set up during the initial CPU scan
        m_cpuWatch = new KSimpleDirWatch(this);
        connect( m_cpuWatch, TQT_SIGNAL(dirty(const TQString &)), this, TQT_SLOT(processModifiedCPUs()) );
#else
        m_cpuWatchTimer = new TQTimer(this);
        connect( m_cpuWatchTimer, SIGNAL(timeout()), this, SLOT(processModifiedCPUs()) );
#endif

        // Some devices do not receive update signals from udev
        // These devices must be polled, and a good polling interval is 1 second
        m_deviceWatchTimer = new TQTimer(this);
        connect( m_deviceWatchTimer, SIGNAL(timeout()), this, SLOT(processStatelessDevices()) );

        // Special case for battery polling (longer delay, 5 seconds)
        m_batteryWatchTimer = new TQTimer(this);
        connect( m_batteryWatchTimer, SIGNAL(timeout()), this, SLOT(processBatteryDevices()) );

        // Update internal device information
        queryHardwareInformation();
    }
}

TDEHardwareDevices::~TDEHardwareDevices() {
    // Stop device scanning
    m_deviceWatchTimer->stop();
    m_batteryWatchTimer->stop();

// [FIXME 0.01]
#if 0
    // Stop CPU scanning
    m_cpuWatch->stopScan();
#else
    m_cpuWatchTimer->stop();
#endif

    // Stop mount scanning
    close(m_procMountsFd);

    // Tear down udev interface
    if(m_udevMonitorStruct) {
        udev_monitor_unref(m_udevMonitorStruct);
    }
    udev_unref(m_udevStruct);

    // Delete members
    if (pci_id_map) {
        delete pci_id_map;
    }
    if (usb_id_map) {
        delete usb_id_map;
    }
    if (pnp_id_map) {
        delete pnp_id_map;
    }
    if (dpy_id_map) {
        delete dpy_id_map;
    }
}

void TDEHardwareDevices::setTriggerlessHardwareUpdatesEnabled(bool enable) {
    if (enable) {
        TQDir nodezerocpufreq("/sys/devices/system/cpu/cpu0/cpufreq");
        if (nodezerocpufreq.exists()) {
            m_cpuWatchTimer->start( 500, false ); // 0.5 second repeating timer
        }
        m_batteryWatchTimer->stop(); // Battery devices are included in stateless devices
        m_deviceWatchTimer->start( 1000, false ); // 1 second repeating timer
    }
    else {
        m_cpuWatchTimer->stop();
        m_deviceWatchTimer->stop();
    }
}

void TDEHardwareDevices::setBatteryUpdatesEnabled(bool enable) {
    if (enable) {
        TQDir nodezerocpufreq("/sys/devices/system/cpu/cpu0/cpufreq");
        if (nodezerocpufreq.exists()) {
            m_cpuWatchTimer->start( 500, false ); // 0.5 second repeating timer
        }
        m_batteryWatchTimer->start( 5000, false ); // 5 second repeating timer
    }
    else {
        m_cpuWatchTimer->stop();
        m_batteryWatchTimer->stop();
    }
}

void TDEHardwareDevices::rescanDeviceInformation(TDEGenericDevice* hwdevice) {
    rescanDeviceInformation(hwdevice, true);
}

void TDEHardwareDevices::rescanDeviceInformation(TDEGenericDevice* hwdevice, bool regenerateDeviceTree) {
    struct udev_device *dev;
    dev = udev_device_new_from_syspath(m_udevStruct, hwdevice->systemPath().ascii());
    updateExistingDeviceInformation(hwdevice);
    if (regenerateDeviceTree) {
        updateParentDeviceInformation(hwdevice);    // Update parent/child tables for this device
    }
    udev_device_unref(dev);
}

TDEGenericDevice* TDEHardwareDevices::findBySystemPath(TQString syspath) {
    if (!syspath.endsWith("/")) {
        syspath += "/";
    }
    TDEGenericDevice *hwdevice;

    // We can't use m_deviceList directly as m_deviceList can only have one iterator active against it at any given time
    TDEGenericHardwareList devList = listAllPhysicalDevices();
    for ( hwdevice = devList.first(); hwdevice; hwdevice = devList.next() ) {
        if (hwdevice->systemPath() == syspath) {
            return hwdevice;
        }
    }

    return 0;
}

TDECPUDevice* TDEHardwareDevices::findCPUBySystemPath(TQString syspath, bool inCache=true) {
    TDECPUDevice* cdevice;

    // Look for the device in the cache first
    if(inCache && !m_cpuByPathCache.isEmpty()) {
        cdevice = m_cpuByPathCache.find(syspath);
        if(cdevice) {
            return cdevice;
        }
    }

    // If the CPU was not found in cache, we need to parse the entire device list to get it.
    cdevice = dynamic_cast<TDECPUDevice*>(findBySystemPath(syspath));
    if(cdevice) {
        if(inCache) {
            m_cpuByPathCache.insert(syspath, cdevice); // Add the device to the cache
        }
        return cdevice;
    }

    return 0;
}


TDEGenericDevice* TDEHardwareDevices::findByUniqueID(TQString uid) {
    TDEGenericDevice *hwdevice;
    // We can't use m_deviceList directly as m_deviceList can only have one iterator active against it at any given time
    TDEGenericHardwareList devList = listAllPhysicalDevices();
    for ( hwdevice = devList.first(); hwdevice; hwdevice = devList.next() ) {
        if (hwdevice->uniqueID() == uid) {
            return hwdevice;
        }
    }

    return 0;
}

TDEGenericDevice* TDEHardwareDevices::findByDeviceNode(TQString devnode) {
    TDEGenericDevice *hwdevice;
    for ( hwdevice = m_deviceList.first(); hwdevice; hwdevice = m_deviceList.next() ) {
        if (hwdevice->deviceNode() == devnode) {
            return hwdevice;
        }
    }

    return 0;
}

TDEStorageDevice* TDEHardwareDevices::findDiskByUID(TQString uid) {
    TDEGenericDevice *hwdevice;
    for ( hwdevice = m_deviceList.first(); hwdevice; hwdevice = m_deviceList.next() ) {
        if (hwdevice->type() == TDEGenericDeviceType::Disk) {
            TDEStorageDevice* sdevice = static_cast<TDEStorageDevice*>(hwdevice);
            if (sdevice->uniqueID() == uid) {
                return sdevice;
            }
        }
    }

    return 0;
}

void TDEHardwareDevices::processHotPluggedHardware() {
    udev_device* dev = udev_monitor_receive_device(m_udevMonitorStruct);
    if (dev) {
        TQString actionevent(udev_device_get_action(dev));
        if (actionevent == "add") {
            TDEGenericDevice* device = classifyUnknownDevice(dev);

            // Make sure this device is not a duplicate
            TDEGenericDevice *hwdevice;
            for (hwdevice = m_deviceList.first(); hwdevice; hwdevice = m_deviceList.next()) {
                if (hwdevice->systemPath() == device->systemPath()) {
                    delete device;
                    device = 0;
                    break;
                }
            }

            if (device) {
                m_deviceList.append(device);
                updateParentDeviceInformation(device);  // Update parent/child tables for this device
                emit hardwareAdded(device);
                emit hardwareEvent(TDEHardwareEvent::HardwareAdded, device->uniqueID());
            }
        }
        else if (actionevent == "remove") {
            // Delete device from hardware listing
            TQString systempath(udev_device_get_syspath(dev));
            systempath += "/";
            TDEGenericDevice *hwdevice;
            for (hwdevice = m_deviceList.first(); hwdevice; hwdevice = m_deviceList.next()) {
                if (hwdevice->systemPath() == systempath) {
                    // Temporarily disable auto-deletion to ensure object validity when calling the Removed events below
                    m_deviceList.setAutoDelete(false);

                    // If the device is a storage device and has a slave, update it as well
                    if (hwdevice->type() == TDEGenericDeviceType::Disk) {
                        TDEStorageDevice* sdevice = static_cast<TDEStorageDevice*>(hwdevice);
                        TQStringList slavedevices = sdevice->slaveDevices();
                        m_deviceList.remove(hwdevice);
                        for ( TQStringList::Iterator slaveit = slavedevices.begin(); slaveit != slavedevices.end(); ++slaveit ) {
                            TDEGenericDevice* slavedevice = findBySystemPath(*slaveit);
                            if (slavedevice) {
                                rescanDeviceInformation(slavedevice);
                                emit hardwareUpdated(slavedevice);
                                emit hardwareEvent(TDEHardwareEvent::HardwareUpdated, slavedevice->uniqueID());
                            }
                        }
                    }
                    else {
                        m_deviceList.remove(hwdevice);
                    }

                    emit hardwareRemoved(hwdevice);
                    emit hardwareEvent(TDEHardwareEvent::HardwareRemoved, hwdevice->uniqueID());

                    // Reenable auto-deletion and delete the removed device object
                    m_deviceList.setAutoDelete(true);
                    delete hwdevice;

                    break;
                }
            }
        }
        else if (actionevent == "change") {
            // Update device and emit change event
            TQString systempath(udev_device_get_syspath(dev));
            systempath += "/";
            TDEGenericDevice *hwdevice;
            for (hwdevice = m_deviceList.first(); hwdevice; hwdevice = m_deviceList.next()) {
                if (hwdevice->systemPath() == systempath) {
                    if (!hwdevice->blacklistedForUpdate()) {
                        classifyUnknownDevice(dev, hwdevice, false);
                        updateParentDeviceInformation(hwdevice);    // Update parent/child tables for this device
                        emit hardwareUpdated(hwdevice);
                        emit hardwareEvent(TDEHardwareEvent::HardwareUpdated, hwdevice->uniqueID());
                    }
                }
                else if ((hwdevice->type() == TDEGenericDeviceType::Monitor)
                        && (hwdevice->systemPath().contains(systempath))) {
                    if (!hwdevice->blacklistedForUpdate()) {
                        struct udev_device *slavedev;
                        slavedev = udev_device_new_from_syspath(m_udevStruct, hwdevice->systemPath().ascii());
                        classifyUnknownDevice(slavedev, hwdevice, false);
                        udev_device_unref(slavedev);
                        updateParentDeviceInformation(hwdevice);    // Update parent/child tables for this device
                        emit hardwareUpdated(hwdevice);
                        emit hardwareEvent(TDEHardwareEvent::HardwareUpdated, hwdevice->uniqueID());
                    }
                }
            }
        }
        udev_device_unref(dev);
    }
}

void TDEHardwareDevices::processModifiedCPUs() {
    // Detect what changed between the old cpu information and the new information,
    // and emit appropriate events

#ifdef CPUPROFILING
    timespec time1, time2, time3;
    clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &time1);
    time3 = time1;
    printf("TDEHardwareDevices::processModifiedCPUs() : begin at '%u'\n", time1.tv_nsec);
#endif

    // Read new CPU information table
    m_cpuInfo.clear();
    TQFile cpufile( "/proc/cpuinfo" );
    if ( cpufile.open( IO_ReadOnly ) ) {
        TQTextStream stream( &cpufile );
        // Using read() instead of readLine() inside a loop is 4 times faster !
        m_cpuInfo = TQStringList::split('\n', stream.read(), true);
        cpufile.close();
    }

#ifdef CPUPROFILING
    clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &time2);
    printf("TDEHardwareDevices::processModifiedCPUs() : checkpoint1 at %u [%u]\n", time2.tv_nsec, diff(time1,time2).tv_nsec);
    time1 = time2;
#endif

    // Ensure "processor" is the first entry in each block and determine which cpuinfo type is in use
    bool cpuinfo_format_x86 = true;
    bool cpuinfo_format_arm = false;

    TQString curline1;
    TQString curline2;
    int blockNumber = 0;
    TQStringList::Iterator blockBegin = m_cpuInfo.begin();
    for (TQStringList::Iterator cpuit1 = m_cpuInfo.begin(); cpuit1 != m_cpuInfo.end(); ++cpuit1) {
        curline1 = *cpuit1;
        if (!(*blockBegin).startsWith("processor")) {
            bool found = false;
            TQStringList::Iterator cpuit2;
            for (cpuit2 = blockBegin; cpuit2 != m_cpuInfo.end(); ++cpuit2) {
                curline2 = *cpuit2;
                if (curline2.startsWith("processor")) {
                    found = true;
                    break;
                }
                else if (curline2 == NULL || curline2 == "") {
                    break;
                }
            }
            if (found) {
                m_cpuInfo.insert(blockBegin, (*cpuit2));
            }
            else if(blockNumber == 0) {
                m_cpuInfo.insert(blockBegin, "processor : 0");
            }
        }
        if (curline1 == NULL || curline1 == "") {
            blockNumber++;
            blockBegin = cpuit1;
            blockBegin++;
        }
        else if (curline1.startsWith("Processor")) {
            cpuinfo_format_x86 = false;
            cpuinfo_format_arm = true;
        }
    }

#ifdef CPUPROFILING
    clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &time2);
    printf("TDEHardwareDevices::processModifiedCPUs() : checkpoint2 at %u [%u]\n", time2.tv_nsec, diff(time1,time2).tv_nsec);
    time1 = time2;
#endif

    // Parse CPU information table
    TDECPUDevice *cdevice;
    cdevice = 0;
    bool modified = false;
    bool have_frequency = false;

    TQString curline;
    int processorNumber = 0;
    int processorCount = 0;

    if (cpuinfo_format_x86) {
        // ===================================================================================================================================
        // x86/x86_64
        // ===================================================================================================================================
        TQStringList::Iterator cpuit;
        for (cpuit = m_cpuInfo.begin(); cpuit != m_cpuInfo.end(); ++cpuit) {
            curline = *cpuit;
            if (curline.startsWith("processor")) {
                curline.remove(0, curline.find(":")+2);
                processorNumber = curline.toInt();
                if (!cdevice) {
                    cdevice = dynamic_cast<TDECPUDevice*>(findCPUBySystemPath(TQString("/sys/devices/system/cpu/cpu%1").arg(processorNumber)));
                }
                if (cdevice) {
                    if (cdevice->coreNumber() != processorNumber) {
                        modified = true;
                        cdevice->internalSetCoreNumber(processorNumber);
                    }
                }
            }
            else if (cdevice && curline.startsWith("model name")) {
                curline.remove(0, curline.find(":")+2);
                if (cdevice->name() != curline) {
                    modified = true;
                    cdevice->internalSetName(curline);
                }
            }
            else if (cdevice && curline.startsWith("cpu MHz")) {
                curline.remove(0, curline.find(":")+2);
                if (cdevice->frequency() != curline.toDouble()) {
                    modified = true;
                    cdevice->internalSetFrequency(curline.toDouble());
                }
                have_frequency = true;
            }
            else if (cdevice && curline.startsWith("vendor_id")) {
                curline.remove(0, curline.find(":")+2);
                if (cdevice->vendorName() != curline) {
                    modified = true;
                    cdevice->internalSetVendorName(curline);
                }
                if (cdevice->vendorEncoded() != curline) {
                    modified = true;
                    cdevice->internalSetVendorEncoded(curline);
                }
            }
            else if (curline == NULL || curline == "") {
                cdevice = 0;
            }
        }
    }
    else if (cpuinfo_format_arm) {
        // ===================================================================================================================================
        // ARM
        // ===================================================================================================================================
        TQStringList::Iterator cpuit;
        TQString modelName;
        TQString vendorName;
        TQString serialNumber;
        for (cpuit = m_cpuInfo.begin(); cpuit != m_cpuInfo.end(); ++cpuit) {
            curline = *cpuit;
            if (curline.startsWith("Processor")) {
                curline.remove(0, curline.find(":")+2);
                modelName = curline;
            }
            else if (curline.startsWith("Hardware")) {
                curline.remove(0, curline.find(":")+2);
                vendorName = curline;
            }
            else if (curline.startsWith("Serial")) {
                curline.remove(0, curline.find(":")+2);
                serialNumber = curline;
            }
        }
        for (TQStringList::Iterator cpuit = m_cpuInfo.begin(); cpuit != m_cpuInfo.end(); ++cpuit) {
            curline = *cpuit;
            if (curline.startsWith("processor")) {
                curline.remove(0, curline.find(":")+2);
                processorNumber = curline.toInt();
                if (!cdevice) {
                    cdevice = dynamic_cast<TDECPUDevice*>(findCPUBySystemPath(TQString("/sys/devices/system/cpu/cpu%1").arg(processorNumber)));
                    if (cdevice) {
                        // Set up CPU information structures
                        if (cdevice->coreNumber() != processorNumber) modified = true;
                        cdevice->internalSetCoreNumber(processorNumber);
                        if (cdevice->name() != modelName) modified = true;
                        cdevice->internalSetName(modelName);
                        if (cdevice->vendorName() != vendorName) modified = true;
                        cdevice->internalSetVendorName(vendorName);
                        if (cdevice->vendorEncoded() != vendorName) modified = true;
                        cdevice->internalSetVendorEncoded(vendorName);
                        if (cdevice->serialNumber() != serialNumber) modified = true;
                        cdevice->internalSetSerialNumber(serialNumber);
                    }
                }
            }
            if (curline == NULL || curline == "") {
                cdevice = 0;
            }
        }
    }

    processorCount = processorNumber+1;

#ifdef CPUPROFILING
    clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &time2);
    printf("TDEHardwareDevices::processModifiedCPUs() : checkpoint3 at %u [%u]\n", time2.tv_nsec, diff(time1,time2).tv_nsec);
    time1 = time2;
#endif

    // Read in other information from cpufreq, if available
    for (processorNumber=0; processorNumber<processorCount; processorNumber++) {
        cdevice = dynamic_cast<TDECPUDevice*>(findCPUBySystemPath(TQString("/sys/devices/system/cpu/cpu%1").arg(processorNumber)));
        TQDir cpufreq_dir(TQString("/sys/devices/system/cpu/cpu%1/cpufreq").arg(processorNumber));
        TQString scalinggovernor;
        TQString scalingdriver;
        double minfrequency = -1;
        double maxfrequency = -1;
        double trlatency = -1;
        TQStringList affectedcpulist;
        TQStringList frequencylist;
        TQStringList governorlist;
        if (cpufreq_dir.exists()) {
            TQString nodename;
            nodename = cpufreq_dir.path();
            nodename.append("/scaling_governor");
            TQFile scalinggovernorfile(nodename);
            if (scalinggovernorfile.open(IO_ReadOnly)) {
                TQTextStream stream( &scalinggovernorfile );
                scalinggovernor = stream.readLine();
                scalinggovernorfile.close();
            }
            nodename = cpufreq_dir.path();
            nodename.append("/scaling_driver");
            TQFile scalingdriverfile(nodename);
            if (scalingdriverfile.open(IO_ReadOnly)) {
                TQTextStream stream( &scalingdriverfile );
                scalingdriver = stream.readLine();
                scalingdriverfile.close();
            }
            nodename = cpufreq_dir.path();
            nodename.append("/cpuinfo_min_freq");
            TQFile minfrequencyfile(nodename);
            if (minfrequencyfile.open(IO_ReadOnly)) {
                TQTextStream stream( &minfrequencyfile );
                minfrequency = stream.readLine().toDouble()/1000.0;
                minfrequencyfile.close();
            }
            nodename = cpufreq_dir.path();
            nodename.append("/cpuinfo_max_freq");
            TQFile maxfrequencyfile(nodename);
            if (maxfrequencyfile.open(IO_ReadOnly)) {
                TQTextStream stream( &maxfrequencyfile );
                maxfrequency = stream.readLine().toDouble()/1000.0;
                maxfrequencyfile.close();
            }
            nodename = cpufreq_dir.path();
            nodename.append("/cpuinfo_transition_latency");
            TQFile trlatencyfile(nodename);
            if (trlatencyfile.open(IO_ReadOnly)) {
                TQTextStream stream( &trlatencyfile );
                trlatency = stream.readLine().toDouble()/1000.0;
                trlatencyfile.close();
            }
            nodename = cpufreq_dir.path();
            nodename.append("/scaling_available_frequencies");
            TQFile availfreqsfile(nodename);
            if (availfreqsfile.open(IO_ReadOnly)) {
                TQTextStream stream( &availfreqsfile );
                frequencylist = TQStringList::split(" ", stream.readLine());
                availfreqsfile.close();
            }
            nodename = cpufreq_dir.path();
            nodename.append("/scaling_available_governors");
            TQFile availgvrnsfile(nodename);
            if (availgvrnsfile.open(IO_ReadOnly)) {
                TQTextStream stream( &availgvrnsfile );
                governorlist = TQStringList::split(" ", stream.readLine());
                availgvrnsfile.close();
            }
            nodename = cpufreq_dir.path();
            nodename.append("/affected_cpus");
            TQFile tiedcpusfile(nodename);
            if (tiedcpusfile.open(IO_ReadOnly)) {
                TQTextStream stream( &tiedcpusfile );
                affectedcpulist = TQStringList::split(" ", stream.readLine());
                tiedcpusfile.close();
            }

            // We may already have the CPU Mhz information in '/proc/cpuinfo'
            if (!have_frequency) {
                bool cpufreq_have_frequency = false;
                nodename = cpufreq_dir.path();
                nodename.append("/scaling_cur_freq");
                TQFile cpufreqfile(nodename);
                if (cpufreqfile.open(IO_ReadOnly)) {
                    cpufreq_have_frequency = true;
                }
                else {
                    nodename = cpufreq_dir.path();
                    nodename.append("/cpuinfo_cur_freq");
                    cpufreqfile.setName(nodename);
                    if (cpufreqfile.open(IO_ReadOnly)) {
                        cpufreq_have_frequency = true;
                    }
                }
                if (cpufreq_have_frequency) {
                    TQTextStream stream( &cpufreqfile );
                    double cpuinfo_cur_freq = stream.readLine().toDouble()/1000.0;
                    if (cdevice && cdevice->frequency() != cpuinfo_cur_freq) {
                        modified = true;
                        cdevice->internalSetFrequency(cpuinfo_cur_freq);
                    }
                    cpufreqfile.close();
                }
            }

            bool minfrequencyFound = false;
            bool maxfrequencyFound = false;
            TQStringList::Iterator freqit;
            for ( freqit = frequencylist.begin(); freqit != frequencylist.end(); ++freqit ) {
                double thisfrequency = (*freqit).toDouble()/1000.0;
                if (thisfrequency == minfrequency) {
                    minfrequencyFound = true;
                }
                if (thisfrequency == maxfrequency) {
                    maxfrequencyFound = true;
                }

            }
            if (!minfrequencyFound) {
                int minFrequencyInt = (minfrequency*1000.0);
                frequencylist.prepend(TQString("%1").arg(minFrequencyInt));
            }
            if (!maxfrequencyFound) {
                int maxfrequencyInt = (maxfrequency*1000.0);
                frequencylist.append(TQString("%1").arg(maxfrequencyInt));
            }

#ifdef CPUPROFILING
            clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &time2);
            printf("TDEHardwareDevices::processModifiedCPUs() : checkpoint3.%u at %u [%u]\n", processorNumber, time2.tv_nsec, diff(time1,time2).tv_nsec);
            time1 = time2;
#endif
        }
        else {
            if (have_frequency) {
                if (cdevice) {
                    minfrequency = cdevice->frequency();
                    maxfrequency = cdevice->frequency();
                }
            }
        }

        // Update CPU information structure
        if (cdevice) {
            if (cdevice->governor() != scalinggovernor) {
                modified = true;
                cdevice->internalSetGovernor(scalinggovernor);
            }
            if (cdevice->scalingDriver() != scalingdriver) {
                modified = true;
                cdevice->internalSetScalingDriver(scalingdriver);
            }
            if (cdevice->minFrequency() != minfrequency) {
                modified = true;
                cdevice->internalSetMinFrequency(minfrequency);
            }
            if (cdevice->maxFrequency() != maxfrequency) {
                modified = true;
                cdevice->internalSetMaxFrequency(maxfrequency);
            }
            if (cdevice->transitionLatency() != trlatency) {
                modified = true;
                cdevice->internalSetTransitionLatency(trlatency);
            }
            if (cdevice->dependentProcessors().join(" ") != affectedcpulist.join(" ")) {
                modified = true;
                cdevice->internalSetDependentProcessors(affectedcpulist);
            }
            if (cdevice->availableFrequencies().join(" ") != frequencylist.join(" ")) {
                modified = true;
                cdevice->internalSetAvailableFrequencies(frequencylist);
            }
            if (cdevice->availableGovernors().join(" ") != governorlist.join(" ")) {
                modified = true;
                cdevice->internalSetAvailableGovernors(governorlist);
            }
        }
    }

#ifdef CPUPROFILING
    clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &time2);
    printf("TDEHardwareDevices::processModifiedCPUs() : checkpoint4 at %u [%u]\n", time2.tv_nsec, diff(time1,time2).tv_nsec);
    time1 = time2;
#endif

    if (modified) {
        for (processorNumber=0; processorNumber<processorCount; processorNumber++) {
            TDEGenericDevice* hwdevice = findCPUBySystemPath(TQString("/sys/devices/system/cpu/cpu%1").arg(processorNumber));
            if (hwdevice) {
                // Signal new information available
                emit hardwareUpdated(hwdevice);
                emit hardwareEvent(TDEHardwareEvent::HardwareUpdated, hwdevice->uniqueID());
            }
        }
    }

#ifdef CPUPROFILING
    clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &time2);
    printf("TDEHardwareDevices::processModifiedCPUs() : end at %u [%u]\n", time2.tv_nsec, diff(time1,time2).tv_nsec);
    printf("TDEHardwareDevices::processModifiedCPUs() : total time: %u\n", diff(time3,time2).tv_nsec);
#endif
}

void TDEHardwareDevices::processStatelessDevices() {
    // Some devices do not emit changed signals
    // So far, network cards and sensors need to be polled
    TDEGenericDevice *hwdevice;

#ifdef STATELESSPROFILING
    timespec time1, time2, time3;
    clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &time1);
    printf("TDEHardwareDevices::processStatelessDevices() : begin at '%u'\n", time1.tv_nsec);
    time3 = time1;
#endif

    // We can't use m_deviceList directly as m_deviceList can only have one iterator active against it at any given time
    TDEGenericHardwareList devList = listAllPhysicalDevices();
    for ( hwdevice = devList.first(); hwdevice; hwdevice = devList.next() ) {
        if ((hwdevice->type() == TDEGenericDeviceType::RootSystem) || (hwdevice->type() == TDEGenericDeviceType::Network) || (hwdevice->type() == TDEGenericDeviceType::OtherSensor) || (hwdevice->type() == TDEGenericDeviceType::Event) || (hwdevice->type() == TDEGenericDeviceType::Battery) || (hwdevice->type() == TDEGenericDeviceType::PowerSupply)) {
            rescanDeviceInformation(hwdevice, false);
            emit hardwareUpdated(hwdevice);
            emit hardwareEvent(TDEHardwareEvent::HardwareUpdated, hwdevice->uniqueID());
#ifdef STATELESSPROFILING
            clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &time2);
            printf("TDEHardwareDevices::processStatelessDevices() : '%s' finished at %u [%u]\n", (hwdevice->name()).ascii(), time2.tv_nsec, diff(time1,time2).tv_nsec);
            time1 = time2;
#endif
        }
    }

#ifdef STATELESSPROFILING
    clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &time2);
    printf("TDEHardwareDevices::processStatelessDevices() : end at '%u'\n", time2.tv_nsec);
    printf("TDEHardwareDevices::processStatelessDevices() : took '%u'\n", diff(time3,time2).tv_nsec);
#endif
}

void TDEHardwareDevices::processBatteryDevices() {
    TDEGenericDevice *hwdevice;

    // We can't use m_deviceList directly as m_deviceList can only have one iterator active against it at any given time
    TDEGenericHardwareList devList = listAllPhysicalDevices();
    for ( hwdevice = devList.first(); hwdevice; hwdevice = devList.next() ) {
        if (hwdevice->type() == TDEGenericDeviceType::Battery) {
            rescanDeviceInformation(hwdevice, false);
            emit hardwareUpdated(hwdevice);
            emit hardwareEvent(TDEHardwareEvent::HardwareUpdated, hwdevice->uniqueID());
        }
    }
}


void TDEHardwareDevices::processEventDeviceKeyPressed(unsigned int keycode, TDEEventDevice* edevice) {
    emit eventDeviceKeyPressed(keycode, edevice);
}

void TDEHardwareDevices::processModifiedMounts() {
    // Detect what changed between the old mount table and the new one,
    // and emit appropriate events

    TQMap<TQString, bool> deletedEntries = m_mountTable;

    // Read in the new mount table
    m_mountTable.clear();
    TQFile file( "/proc/mounts" );
    if ( file.open( IO_ReadOnly ) ) {
        TQTextStream stream( &file );
        while ( !stream.atEnd() ) {
            TQString line = stream.readLine();
            if (!line.isEmpty()) {
                m_mountTable[line] = true;
            }
        }
        file.close();
    }
    TQMap<TQString, bool> addedEntries = m_mountTable;

    // Remove all entries that are identical in both tables
    for ( TQMap<TQString, bool>::ConstIterator mtIt = m_mountTable.begin(); mtIt != m_mountTable.end(); ++mtIt ) {
        if (deletedEntries.contains(mtIt.key())) {
            deletedEntries.remove(mtIt.key());
            addedEntries.remove(mtIt.key());
        }
    }

    TQMap<TQString, bool>::Iterator it;
    for ( it = addedEntries.begin(); it != addedEntries.end(); ++it ) {
        TQStringList mountInfo = TQStringList::split(" ", it.key(), true);
        // Try to find a device that matches the altered node
        TDEGenericDevice* hwdevice = findByDeviceNode(*mountInfo.at(0));
        if (hwdevice) {
            emit hardwareUpdated(hwdevice);
            emit hardwareEvent(TDEHardwareEvent::HardwareUpdated, hwdevice->uniqueID());
            // If the device is a storage device and has a slave, update it as well
            if (hwdevice->type() == TDEGenericDeviceType::Disk) {
                TDEStorageDevice* sdevice = static_cast<TDEStorageDevice*>(hwdevice);
                TQStringList slavedevices = sdevice->slaveDevices();
                for ( TQStringList::Iterator slaveit = slavedevices.begin(); slaveit != slavedevices.end(); ++slaveit ) {
                    TDEGenericDevice* slavedevice = findBySystemPath(*slaveit);
                    if (slavedevice) {
                        emit hardwareUpdated(slavedevice);
                        emit hardwareEvent(TDEHardwareEvent::HardwareUpdated, slavedevice->uniqueID());
                    }
                }
            }
        }
    }
    for ( it = deletedEntries.begin(); it != deletedEntries.end(); ++it ) {
        TQStringList mountInfo = TQStringList::split(" ", it.key(), true);
        // Try to find a device that matches the altered node
        TDEGenericDevice* hwdevice = findByDeviceNode(*mountInfo.at(0));
        if (hwdevice) {
            emit hardwareUpdated(hwdevice);
            emit hardwareEvent(TDEHardwareEvent::HardwareUpdated, hwdevice->uniqueID());
            // If the device is a storage device and has a slave, update it as well
            if (hwdevice->type() == TDEGenericDeviceType::Disk) {
                TDEStorageDevice* sdevice = static_cast<TDEStorageDevice*>(hwdevice);
                TQStringList slavedevices = sdevice->slaveDevices();
                for ( TQStringList::Iterator slaveit = slavedevices.begin(); slaveit != slavedevices.end(); ++slaveit ) {
                    TDEGenericDevice* slavedevice = findBySystemPath(*slaveit);
                    if (slavedevice) {
                        emit hardwareUpdated(slavedevice);
                        emit hardwareEvent(TDEHardwareEvent::HardwareUpdated, slavedevice->uniqueID());
                    }
                }
            }
        }
    }

    emit mountTableModified();
    emit hardwareEvent(TDEHardwareEvent::MountTableModified, TQString());
}

TDEDiskDeviceType::TDEDiskDeviceType classifyDiskType(udev_device* dev, const TQString devicenode, const TQString devicebus, const TQString disktypestring, const TQString systempath, const TQString devicevendor, const TQString devicemodel, const TQString filesystemtype, const TQString devicedriver) {
    // Classify a disk device type to the best of our ability
    TDEDiskDeviceType::TDEDiskDeviceType disktype = TDEDiskDeviceType::Null;

    if (devicebus.upper() == "USB") {
        disktype = disktype | TDEDiskDeviceType::USB;
    }

    if (disktypestring.upper() == "DISK") {
        disktype = disktype | TDEDiskDeviceType::HDD;
    }

    if ((disktypestring.upper() == "FLOPPY")
        || (TQString(udev_device_get_property_value(dev, "ID_DRIVE_FLOPPY")) == "1")) {
        disktype = disktype | TDEDiskDeviceType::Floppy;
        disktype = disktype & ~TDEDiskDeviceType::HDD;
    }

    if ((disktypestring.upper() == "ZIP")
        || (TQString(udev_device_get_property_value(dev, "ID_DRIVE_FLOPPY_ZIP")) == "1")
        || ((devicevendor.upper() == "IOMEGA") && (devicemodel.upper().contains("ZIP")))) {
        disktype = disktype | TDEDiskDeviceType::Zip;
        disktype = disktype & ~TDEDiskDeviceType::HDD;
    }

    if ((devicevendor.upper() == "APPLE") && (devicemodel.upper().contains("IPOD"))) {
        disktype = disktype | TDEDiskDeviceType::MediaDevice;
    }
    if ((devicevendor.upper() == "SANDISK") && (devicemodel.upper().contains("SANSA"))) {
        disktype = disktype | TDEDiskDeviceType::MediaDevice;
    }

    if (disktypestring.upper() == "TAPE") {
        disktype = disktype | TDEDiskDeviceType::Tape;
    }

    if ((disktypestring.upper() == "COMPACT_FLASH")
        || (TQString(udev_device_get_property_value(dev, "ID_DRIVE_FLASH_CF")) == "1")
        || (TQString(udev_device_get_property_value(dev, "ID_ATA_CFA")) == "1")) {
        disktype = disktype | TDEDiskDeviceType::CompactFlash;
        disktype = disktype | TDEDiskDeviceType::HDD;
    }

    if ((disktypestring.upper() == "MEMORY_STICK")
        || (TQString(udev_device_get_property_value(dev, "ID_DRIVE_FLASH_MS")) == "1")) {
        disktype = disktype | TDEDiskDeviceType::MemoryStick;
        disktype = disktype | TDEDiskDeviceType::HDD;
    }

    if ((disktypestring.upper() == "SMART_MEDIA")
        || (TQString(udev_device_get_property_value(dev, "ID_DRIVE_FLASH_SM")) == "1")) {
        disktype = disktype | TDEDiskDeviceType::SmartMedia;
        disktype = disktype | TDEDiskDeviceType::HDD;
    }

    if ((disktypestring.upper() == "SD_MMC")
        || (TQString(udev_device_get_property_value(dev, "ID_DRIVE_FLASH_SD")) == "1")
        || (TQString(udev_device_get_property_value(dev, "ID_DRIVE_FLASH_SDHC")) == "1")
        || (TQString(udev_device_get_property_value(dev, "ID_DRIVE_FLASH_MMC")) == "1")) {
        disktype = disktype | TDEDiskDeviceType::SDMMC;
        disktype = disktype | TDEDiskDeviceType::HDD;
    }

    if ((disktypestring.upper() == "FLASHKEY")
        || (TQString(udev_device_get_property_value(dev, "ID_DRIVE_FLASH")) == "1")) {
        disktype = disktype | TDEDiskDeviceType::Flash;
        disktype = disktype | TDEDiskDeviceType::HDD;
    }

    if (disktypestring.upper() == "OPTICAL") {
        disktype = disktype | TDEDiskDeviceType::Optical;
    }

    if (disktypestring.upper() == "JAZ") {
        disktype = disktype | TDEDiskDeviceType::Jaz;
    }

    if (disktypestring.upper() == "CD") {
        disktype = disktype | TDEDiskDeviceType::Optical;

        if (TQString(udev_device_get_property_value(dev, "ID_CDROM_MEDIA")) == "1") {
            disktype = disktype | TDEDiskDeviceType::CDROM;
        }
        if (TQString(udev_device_get_property_value(dev, "ID_CDROM_MEDIA_CD_R")) == "1") {
            disktype = disktype | TDEDiskDeviceType::CDR;
            disktype = disktype & ~TDEDiskDeviceType::CDROM;
        }
        if (TQString(udev_device_get_property_value(dev, "ID_CDROM_MEDIA_CD_RW")) == "1") {
            disktype = disktype | TDEDiskDeviceType::CDRW;
            disktype = disktype & ~TDEDiskDeviceType::CDROM;
            disktype = disktype & ~TDEDiskDeviceType::CDR;
        }
        if (TQString(udev_device_get_property_value(dev, "ID_CDROM_MEDIA_MRW")) == "1") {
            disktype = disktype | TDEDiskDeviceType::CDMRRW;
            disktype = disktype & ~TDEDiskDeviceType::CDROM;
            disktype = disktype & ~TDEDiskDeviceType::CDR;
            disktype = disktype & ~TDEDiskDeviceType::CDRW;
        }
        if (TQString(udev_device_get_property_value(dev, "ID_CDROM_MEDIA_MRW_W")) == "1") {
            disktype = disktype | TDEDiskDeviceType::CDMRRWW;
            disktype = disktype & ~TDEDiskDeviceType::CDROM;
            disktype = disktype & ~TDEDiskDeviceType::CDR;
            disktype = disktype & ~TDEDiskDeviceType::CDRW;
            disktype = disktype & ~TDEDiskDeviceType::CDMRRW;
        }
        if (TQString(udev_device_get_property_value(dev, "ID_CDROM_MEDIA_MO")) == "1") {
            disktype = disktype | TDEDiskDeviceType::CDMO;
            disktype = disktype & ~TDEDiskDeviceType::CDROM;
            disktype = disktype & ~TDEDiskDeviceType::CDR;
            disktype = disktype & ~TDEDiskDeviceType::CDRW;
            disktype = disktype & ~TDEDiskDeviceType::CDMRRW;
            disktype = disktype & ~TDEDiskDeviceType::CDMRRWW;
        }
        if (TQString(udev_device_get_property_value(dev, "ID_CDROM_MEDIA_DVD")) == "1") {
            disktype = disktype | TDEDiskDeviceType::DVDROM;
            disktype = disktype & ~TDEDiskDeviceType::CDROM;
        }
        if (TQString(udev_device_get_property_value(dev, "ID_CDROM_MEDIA_DVD_RAM")) == "1") {
            disktype = disktype | TDEDiskDeviceType::DVDRAM;
            disktype = disktype & ~TDEDiskDeviceType::DVDROM;
        }
        if (TQString(udev_device_get_property_value(dev, "ID_CDROM_MEDIA_DVD_R")) == "1") {
            disktype = disktype | TDEDiskDeviceType::DVDR;
            disktype = disktype & ~TDEDiskDeviceType::DVDROM;
        }
        if (TQString(udev_device_get_property_value(dev, "ID_CDROM_MEDIA_DVD_R_DL")) == "1") {
            disktype = disktype | TDEDiskDeviceType::DVDRDL;
            disktype = disktype & ~TDEDiskDeviceType::DVDROM;
            disktype = disktype & ~TDEDiskDeviceType::DVDR;
        }
        if (TQString(udev_device_get_property_value(dev, "ID_CDROM_MEDIA_DVD_PLUS_R")) == "1") {
            disktype = disktype | TDEDiskDeviceType::DVDPLUSR;
            disktype = disktype & ~TDEDiskDeviceType::DVDROM;
            disktype = disktype & ~TDEDiskDeviceType::DVDR;
            disktype = disktype & ~TDEDiskDeviceType::DVDRDL;
        }
        if (TQString(udev_device_get_property_value(dev, "ID_CDROM_MEDIA_DVD_PLUS_R_DL")) == "1") {
            disktype = disktype | TDEDiskDeviceType::DVDPLUSRDL;
            disktype = disktype & ~TDEDiskDeviceType::DVDROM;
            disktype = disktype & ~TDEDiskDeviceType::DVDR;
            disktype = disktype & ~TDEDiskDeviceType::DVDRDL;
            disktype = disktype & ~TDEDiskDeviceType::DVDPLUSR;
        }
        if (TQString(udev_device_get_property_value(dev, "ID_CDROM_MEDIA_DVD_RW")) == "1") {
            disktype = disktype | TDEDiskDeviceType::DVDRW;
            disktype = disktype & ~TDEDiskDeviceType::DVDROM;
            disktype = disktype & ~TDEDiskDeviceType::DVDR;
            disktype = disktype & ~TDEDiskDeviceType::DVDRDL;
            disktype = disktype & ~TDEDiskDeviceType::DVDPLUSR;
            disktype = disktype & ~TDEDiskDeviceType::DVDPLUSRDL;
        }
        if (TQString(udev_device_get_property_value(dev, "ID_CDROM_MEDIA_DVD_RW_DL")) == "1") {
            disktype = disktype | TDEDiskDeviceType::DVDRWDL;
            disktype = disktype & ~TDEDiskDeviceType::DVDROM;
            disktype = disktype & ~TDEDiskDeviceType::DVDR;
            disktype = disktype & ~TDEDiskDeviceType::DVDRDL;
            disktype = disktype & ~TDEDiskDeviceType::DVDPLUSR;
            disktype = disktype & ~TDEDiskDeviceType::DVDPLUSRDL;
            disktype = disktype & ~TDEDiskDeviceType::DVDRW;
        }
        if (TQString(udev_device_get_property_value(dev, "ID_CDROM_MEDIA_DVD_PLUS_RW")) == "1") {
            disktype = disktype | TDEDiskDeviceType::DVDPLUSRW;
            disktype = disktype & ~TDEDiskDeviceType::DVDROM;
            disktype = disktype & ~TDEDiskDeviceType::DVDR;
            disktype = disktype & ~TDEDiskDeviceType::DVDRDL;
            disktype = disktype & ~TDEDiskDeviceType::DVDPLUSR;
            disktype = disktype & ~TDEDiskDeviceType::DVDPLUSRDL;
            disktype = disktype & ~TDEDiskDeviceType::DVDRW;
            disktype = disktype & ~TDEDiskDeviceType::DVDRWDL;
        }
        if (TQString(udev_device_get_property_value(dev, "ID_CDROM_MEDIA_DVD_PLUS_RW_DL")) == "1") {
            disktype = disktype | TDEDiskDeviceType::DVDPLUSRWDL;
            disktype = disktype & ~TDEDiskDeviceType::DVDROM;
            disktype = disktype & ~TDEDiskDeviceType::DVDR;
            disktype = disktype & ~TDEDiskDeviceType::DVDRDL;
            disktype = disktype & ~TDEDiskDeviceType::DVDPLUSR;
            disktype = disktype & ~TDEDiskDeviceType::DVDPLUSRDL;
            disktype = disktype & ~TDEDiskDeviceType::DVDRW;
            disktype = disktype & ~TDEDiskDeviceType::DVDRWDL;
            disktype = disktype & ~TDEDiskDeviceType::DVDPLUSRW;
        }
        if (TQString(udev_device_get_property_value(dev, "ID_CDROM_MEDIA_BD")) == "1") {
            disktype = disktype | TDEDiskDeviceType::BDROM;
            disktype = disktype & ~TDEDiskDeviceType::CDROM;
        }
        if ((TQString(udev_device_get_property_value(dev, "ID_CDROM_MEDIA_BD_R")) == "1")
            || (TQString(udev_device_get_property_value(dev, "ID_CDROM_MEDIA_BD_R_DL")) == "1") // FIXME There is no official udev attribute for this type of disc (yet!)
            ) {
            disktype = disktype | TDEDiskDeviceType::BDR;
            disktype = disktype & ~TDEDiskDeviceType::BDROM;
        }
        if ((TQString(udev_device_get_property_value(dev, "ID_CDROM_MEDIA_BD_RE")) == "1")
            || (TQString(udev_device_get_property_value(dev, "ID_CDROM_MEDIA_BD_RE_DL")) == "1")    // FIXME There is no official udev attribute for this type of disc (yet!)
            ) {
            disktype = disktype | TDEDiskDeviceType::BDRW;
            disktype = disktype & ~TDEDiskDeviceType::BDROM;
            disktype = disktype & ~TDEDiskDeviceType::BDR;
        }
        if (TQString(udev_device_get_property_value(dev, "ID_CDROM_MEDIA_HDDVD")) == "1") {
            disktype = disktype | TDEDiskDeviceType::HDDVDROM;
            disktype = disktype & ~TDEDiskDeviceType::CDROM;
        }
        if (TQString(udev_device_get_property_value(dev, "ID_CDROM_MEDIA_HDDVD_R")) == "1") {
            disktype = disktype | TDEDiskDeviceType::HDDVDR;
            disktype = disktype & ~TDEDiskDeviceType::HDDVDROM;
        }
        if (TQString(udev_device_get_property_value(dev, "ID_CDROM_MEDIA_HDDVD_RW")) == "1") {
            disktype = disktype | TDEDiskDeviceType::HDDVDRW;
            disktype = disktype & ~TDEDiskDeviceType::HDDVDROM;
            disktype = disktype & ~TDEDiskDeviceType::HDDVDR;
        }
        if (!TQString(udev_device_get_property_value(dev, "ID_CDROM_MEDIA_TRACK_COUNT_AUDIO")).isNull()) {
            disktype = disktype | TDEDiskDeviceType::CDAudio;
        }
        if ((TQString(udev_device_get_property_value(dev, "ID_CDROM_MEDIA_VCD")) == "1") || (TQString(udev_device_get_property_value(dev, "ID_CDROM_MEDIA_SDVD")) == "1")) {
            disktype = disktype | TDEDiskDeviceType::CDVideo;
        }

        if ((disktype & TDEDiskDeviceType::DVDROM)
            || (disktype & TDEDiskDeviceType::DVDRAM)
            || (disktype & TDEDiskDeviceType::DVDR)
            || (disktype & TDEDiskDeviceType::DVDRW)
            || (disktype & TDEDiskDeviceType::DVDRDL)
            || (disktype & TDEDiskDeviceType::DVDRWDL)
            || (disktype & TDEDiskDeviceType::DVDPLUSR)
            || (disktype & TDEDiskDeviceType::DVDPLUSRW)
            || (disktype & TDEDiskDeviceType::DVDPLUSRDL)
            || (disktype & TDEDiskDeviceType::DVDPLUSRWDL)
            ) {
                // Every VideoDVD must have a VIDEO_TS.IFO file
                // Read this info via tdeiso_info, since udev couldn't be bothered to check DVD type on its own
                int retcode = system(TQString("tdeiso_info --exists=ISO9660/VIDEO_TS/VIDEO_TS.IFO %1").arg(devicenode).ascii());
                if (retcode == 0) {
                    disktype = disktype | TDEDiskDeviceType::DVDVideo;
                }
        }

    }

    // Detect RAM and Loop devices, since udev can't seem to...
    if (systempath.startsWith("/sys/devices/virtual/block/ram")) {
        disktype = disktype | TDEDiskDeviceType::RAM;
    }
    if (systempath.startsWith("/sys/devices/virtual/block/loop")) {
        disktype = disktype | TDEDiskDeviceType::Loop;
    }

    if (disktype == TDEDiskDeviceType::Null) {
        // Fallback
        // If we can't recognize the disk type then set it as a simple HDD volume
        disktype = disktype | TDEDiskDeviceType::HDD;
    }

    if (filesystemtype.upper() == "CRYPTO_LUKS") {
        disktype = disktype | TDEDiskDeviceType::LUKS;
    }
    else if (filesystemtype.upper() == "CRYPTO") {
        disktype = disktype | TDEDiskDeviceType::OtherCrypted;
    }

    return disktype;
}

    // TDEStandardDirs::kde_default

typedef TQMap<TQString, TQString> TDEConfigMap;

TQString readUdevAttribute(udev_device* dev, TQString attr) {
    return TQString(udev_device_get_property_value(dev, attr.ascii()));
}

TDEGenericDeviceType::TDEGenericDeviceType readGenericDeviceTypeFromString(TQString query) {
    TDEGenericDeviceType::TDEGenericDeviceType ret = TDEGenericDeviceType::Other;

    // Keep this in sync with the TDEGenericDeviceType definition in the header
    if (query == "Root") {
        ret = TDEGenericDeviceType::Root;
    }
    else if (query == "RootSystem") {
        ret = TDEGenericDeviceType::RootSystem;
    }
    else if (query == "CPU") {
        ret = TDEGenericDeviceType::CPU;
    }
    else if (query == "GPU") {
        ret = TDEGenericDeviceType::GPU;
    }
    else if (query == "RAM") {
        ret = TDEGenericDeviceType::RAM;
    }
    else if (query == "Bus") {
        ret = TDEGenericDeviceType::Bus;
    }
    else if (query == "I2C") {
        ret = TDEGenericDeviceType::I2C;
    }
    else if (query == "MDIO") {
        ret = TDEGenericDeviceType::MDIO;
    }
    else if (query == "Mainboard") {
        ret = TDEGenericDeviceType::Mainboard;
    }
    else if (query == "Disk") {
        ret = TDEGenericDeviceType::Disk;
    }
    else if (query == "SCSI") {
        ret = TDEGenericDeviceType::SCSI;
    }
    else if (query == "StorageController") {
        ret = TDEGenericDeviceType::StorageController;
    }
    else if (query == "Mouse") {
        ret = TDEGenericDeviceType::Mouse;
    }
    else if (query == "Keyboard") {
        ret = TDEGenericDeviceType::Keyboard;
    }
    else if (query == "HID") {
        ret = TDEGenericDeviceType::HID;
    }
    else if (query == "Modem") {
        ret = TDEGenericDeviceType::Modem;
    }
    else if (query == "Monitor") {
        ret = TDEGenericDeviceType::Monitor;
    }
    else if (query == "Network") {
        ret = TDEGenericDeviceType::Network;
    }
    else if (query == "NonvolatileMemory") {
        ret = TDEGenericDeviceType::NonvolatileMemory;
    }
    else if (query == "Printer") {
        ret = TDEGenericDeviceType::Printer;
    }
    else if (query == "Scanner") {
        ret = TDEGenericDeviceType::Scanner;
    }
    else if (query == "Sound") {
        ret = TDEGenericDeviceType::Sound;
    }
    else if (query == "VideoCapture") {
        ret = TDEGenericDeviceType::VideoCapture;
    }
    else if (query == "IEEE1394") {
        ret = TDEGenericDeviceType::IEEE1394;
    }
    else if (query == "PCMCIA") {
        ret = TDEGenericDeviceType::PCMCIA;
    }
    else if (query == "Camera") {
        ret = TDEGenericDeviceType::Camera;
    }
    else if (query == "Serial") {
        ret = TDEGenericDeviceType::Serial;
    }
    else if (query == "Parallel") {
        ret = TDEGenericDeviceType::Parallel;
    }
    else if (query == "TextIO") {
        ret = TDEGenericDeviceType::TextIO;
    }
    else if (query == "Peripheral") {
        ret = TDEGenericDeviceType::Peripheral;
    }
    else if (query == "Backlight") {
        ret = TDEGenericDeviceType::Backlight;
    }
    else if (query == "Battery") {
        ret = TDEGenericDeviceType::Battery;
    }
    else if (query == "Power") {
        ret = TDEGenericDeviceType::PowerSupply;
    }
    else if (query == "Dock") {
        ret = TDEGenericDeviceType::Dock;
    }
    else if (query == "ThermalSensor") {
        ret = TDEGenericDeviceType::ThermalSensor;
    }
    else if (query == "ThermalControl") {
        ret = TDEGenericDeviceType::ThermalControl;
    }
    else if (query == "Bluetooth") {
        ret = TDEGenericDeviceType::BlueTooth;
    }
    else if (query == "Bridge") {
        ret = TDEGenericDeviceType::Bridge;
    }
    else if (query == "Hub") {
        ret = TDEGenericDeviceType::Hub;
    }
    else if (query == "Platform") {
        ret = TDEGenericDeviceType::Platform;
    }
    else if (query == "Cryptography") {
        ret = TDEGenericDeviceType::Cryptography;
    }
    else if (query == "CryptographicCard") {
        ret = TDEGenericDeviceType::CryptographicCard;
    }
    else if (query == "BiometricSecurity") {
        ret = TDEGenericDeviceType::BiometricSecurity;
    }
    else if (query == "TestAndMeasurement") {
        ret = TDEGenericDeviceType::TestAndMeasurement;
    }
    else if (query == "Timekeeping") {
        ret = TDEGenericDeviceType::Timekeeping;
    }
    else if (query == "Event") {
        ret = TDEGenericDeviceType::Event;
    }
    else if (query == "Input") {
        ret = TDEGenericDeviceType::Input;
    }
    else if (query == "PNP") {
        ret = TDEGenericDeviceType::PNP;
    }
    else if (query == "OtherACPI") {
        ret = TDEGenericDeviceType::OtherACPI;
    }
    else if (query == "OtherUSB") {
        ret = TDEGenericDeviceType::OtherUSB;
    }
    else if (query == "OtherMultimedia") {
        ret = TDEGenericDeviceType::OtherMultimedia;
    }
    else if (query == "OtherPeripheral") {
        ret = TDEGenericDeviceType::OtherPeripheral;
    }
    else if (query == "OtherSensor") {
        ret = TDEGenericDeviceType::OtherSensor;
    }
    else if (query == "OtherVirtual") {
        ret = TDEGenericDeviceType::OtherVirtual;
    }
    else {
        ret = TDEGenericDeviceType::Other;
    }

    return ret;
}

TDEDiskDeviceType::TDEDiskDeviceType readDiskDeviceSubtypeFromString(TQString query, TDEDiskDeviceType::TDEDiskDeviceType flagsIn=TDEDiskDeviceType::Null) {
    TDEDiskDeviceType::TDEDiskDeviceType ret = flagsIn;

    // Keep this in sync with the TDEDiskDeviceType definition in the header
    if (query == "MediaDevice") {
        ret = ret | TDEDiskDeviceType::MediaDevice;
    }
    if (query == "Floppy") {
        ret = ret | TDEDiskDeviceType::Floppy;
    }
    if (query == "CDROM") {
        ret = ret | TDEDiskDeviceType::CDROM;
    }
    if (query == "CDR") {
        ret = ret | TDEDiskDeviceType::CDR;
    }
    if (query == "CDRW") {
        ret = ret | TDEDiskDeviceType::CDRW;
    }
    if (query == "CDMO") {
        ret = ret | TDEDiskDeviceType::CDMO;
    }
    if (query == "CDMRRW") {
        ret = ret | TDEDiskDeviceType::CDMRRW;
    }
    if (query == "CDMRRWW") {
        ret = ret | TDEDiskDeviceType::CDMRRWW;
    }
    if (query == "DVDROM") {
        ret = ret | TDEDiskDeviceType::DVDROM;
    }
    if (query == "DVDRAM") {
        ret = ret | TDEDiskDeviceType::DVDRAM;
    }
    if (query == "DVDR") {
        ret = ret | TDEDiskDeviceType::DVDR;
    }
    if (query == "DVDRW") {
        ret = ret | TDEDiskDeviceType::DVDRW;
    }
    if (query == "DVDRDL") {
        ret = ret | TDEDiskDeviceType::DVDRDL;
    }
    if (query == "DVDRWDL") {
        ret = ret | TDEDiskDeviceType::DVDRWDL;
    }
    if (query == "DVDPLUSR") {
        ret = ret | TDEDiskDeviceType::DVDPLUSR;
    }
    if (query == "DVDPLUSRW") {
        ret = ret | TDEDiskDeviceType::DVDPLUSRW;
    }
    if (query == "DVDPLUSRDL") {
        ret = ret | TDEDiskDeviceType::DVDPLUSRDL;
    }
    if (query == "DVDPLUSRWDL") {
        ret = ret | TDEDiskDeviceType::DVDPLUSRWDL;
    }
    if (query == "BDROM") {
        ret = ret | TDEDiskDeviceType::BDROM;
    }
    if (query == "BDR") {
        ret = ret | TDEDiskDeviceType::BDR;
    }
    if (query == "BDRW") {
        ret = ret | TDEDiskDeviceType::BDRW;
    }
    if (query == "HDDVDROM") {
        ret = ret | TDEDiskDeviceType::HDDVDROM;
    }
    if (query == "HDDVDR") {
        ret = ret | TDEDiskDeviceType::HDDVDR;
    }
    if (query == "HDDVDRW") {
        ret = ret | TDEDiskDeviceType::HDDVDRW;
    }
    if (query == "Zip") {
        ret = ret | TDEDiskDeviceType::Zip;
    }
    if (query == "Jaz") {
        ret = ret | TDEDiskDeviceType::Jaz;
    }
    if (query == "Camera") {
        ret = ret | TDEDiskDeviceType::Camera;
    }
    if (query == "LUKS") {
        ret = ret | TDEDiskDeviceType::LUKS;
    }
    if (query == "OtherCrypted") {
        ret = ret | TDEDiskDeviceType::OtherCrypted;
    }
    if (query == "CDAudio") {
        ret = ret | TDEDiskDeviceType::CDAudio;
    }
    if (query == "CDVideo") {
        ret = ret | TDEDiskDeviceType::CDVideo;
    }
    if (query == "DVDVideo") {
        ret = ret | TDEDiskDeviceType::DVDVideo;
    }
    if (query == "BDVideo") {
        ret = ret | TDEDiskDeviceType::BDVideo;
    }
    if (query == "Flash") {
        ret = ret | TDEDiskDeviceType::Flash;
    }
    if (query == "USB") {
        ret = ret | TDEDiskDeviceType::USB;
    }
    if (query == "Tape") {
        ret = ret | TDEDiskDeviceType::Tape;
    }
    if (query == "HDD") {
        ret = ret | TDEDiskDeviceType::HDD;
    }
    if (query == "Optical") {
        ret = ret | TDEDiskDeviceType::Optical;
    }
    if (query == "RAM") {
        ret = ret | TDEDiskDeviceType::RAM;
    }
    if (query == "Loop") {
        ret = ret | TDEDiskDeviceType::Loop;
    }
    if (query == "CompactFlash") {
        ret = ret | TDEDiskDeviceType::CompactFlash;
    }
    if (query == "MemoryStick") {
        ret = ret | TDEDiskDeviceType::MemoryStick;
    }
    if (query == "SmartMedia") {
        ret = ret | TDEDiskDeviceType::SmartMedia;
    }
    if (query == "SDMMC") {
        ret = ret | TDEDiskDeviceType::SDMMC;
    }
    if (query == "UnlockedCrypt") {
        ret = ret | TDEDiskDeviceType::UnlockedCrypt;
    }

    return ret;
}

TDEGenericDevice* createDeviceObjectForType(TDEGenericDeviceType::TDEGenericDeviceType type) {
    TDEGenericDevice* ret = 0;

    if (type == TDEGenericDeviceType::Disk) {
        ret = new TDEStorageDevice(type);
    }
    else {
        ret = new TDEGenericDevice(type);
    }

    return ret;
}

TDEGenericDevice* TDEHardwareDevices::classifyUnknownDeviceByExternalRules(udev_device* dev, TDEGenericDevice* existingdevice, bool classifySubDevices) {
    // This routine expects to see the hardware config files into <prefix>/share/apps/tdehwlib/deviceclasses/, suffixed with "hwclass"
    TDEGenericDevice* device = existingdevice;
    if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Other);

    // Handle subtype if needed/desired
    // To speed things up we rely on the prior scan results stored in m_externalSubtype
    if (classifySubDevices) {
        if (!device->m_externalRulesFile.isNull()) {
            if (device->type() == TDEGenericDeviceType::Disk) {
                // Disk class
                TDEStorageDevice* sdevice = static_cast<TDEStorageDevice*>(device);
                TQStringList subtype = device->m_externalSubtype;
                TDEDiskDeviceType::TDEDiskDeviceType desiredSubdeviceType = TDEDiskDeviceType::Null;
                if (subtype.count()>0) {
                    for ( TQStringList::Iterator paramit = subtype.begin(); paramit != subtype.end(); ++paramit ) {
                        desiredSubdeviceType = readDiskDeviceSubtypeFromString(*paramit, desiredSubdeviceType);
                    }
                    if (desiredSubdeviceType != sdevice->diskType()) {
                        printf("[tdehardwaredevices] Rules file %s used to set device subtype for device at path %s\n", device->m_externalRulesFile.ascii(), device->systemPath().ascii()); fflush(stdout);
                        sdevice->internalSetDiskType(desiredSubdeviceType);
                    }
                }
            }
        }
    }
    else {
        TQStringList hardware_info_directories(TDEGlobal::dirs()->resourceDirs("data"));
        TQString hardware_info_directory_suffix("tdehwlib/deviceclasses/");
        TQString hardware_info_directory;

        // Scan the hardware_info_directory for configuration files
        // For each one, open it with TDEConfig() and apply its rules to classify the device
        // FIXME
        // Should this also scan up to <n> subdirectories for the files?  That feature might end up being too expensive...

        device->m_externalRulesFile = TQString::null;
        for ( TQStringList::Iterator it = hardware_info_directories.begin(); it != hardware_info_directories.end(); ++it ) {
            hardware_info_directory = (*it);
            hardware_info_directory += hardware_info_directory_suffix;

            if (TDEGlobal::dirs()->exists(hardware_info_directory)) {
                TQDir d(hardware_info_directory);
                d.setFilter( TQDir::Files | TQDir::Hidden );

                const TQFileInfoList *list = d.entryInfoList();
                TQFileInfoListIterator it( *list );
                TQFileInfo *fi;

                while ((fi = it.current()) != 0) {
                    if (fi->extension(false) == "hwclass") {
                        bool match = true;

                        // Open the rules file
                        TDEConfig rulesFile(fi->absFilePath(), true, false);
                        rulesFile.setGroup("Conditions");
                        TDEConfigMap conditionmap = rulesFile.entryMap("Conditions");
                        TDEConfigMap::Iterator cndit;
                        for (cndit = conditionmap.begin(); cndit != conditionmap.end(); ++cndit) {
                            TQStringList conditionList = TQStringList::split(',', cndit.data(), false);
                            bool atleastonematch = false;
                            bool allmatch = true;
                            TQString matchtype = rulesFile.readEntry("MATCH_TYPE", "All");
                            if (conditionList.count() < 1) {
                                allmatch = false;
                            }
                            else {
                                for ( TQStringList::Iterator paramit = conditionList.begin(); paramit != conditionList.end(); ++paramit ) {
                                    if ((*paramit) == "MatchType") {
                                        continue;
                                    }
                                    if (cndit.key() == "VENDOR_ID") {
                                        if (device->vendorID() == (*paramit)) {
                                            atleastonematch = true;
                                        }
                                        else {
                                            allmatch = false;
                                        }
                                    }
                                    else if (cndit.key() == "MODEL_ID") {
                                        if (device->modelID() == (*paramit)) {
                                            atleastonematch = true;
                                        }
                                        else {
                                            allmatch = false;
                                        }
                                    }
                                    else if (cndit.key() == "DRIVER") {
                                        if (device->deviceDriver() == (*paramit)) {
                                            atleastonematch = true;
                                        }
                                        else {
                                            allmatch = false;
                                        }
                                    }
                                    else {
                                        if (readUdevAttribute(dev, cndit.key()) == (*paramit)) {
                                            atleastonematch = true;
                                        }
                                        else {
                                            allmatch = false;
                                        }
                                    }
                                }
                            }
                            if (matchtype == "All") {
                                if (!allmatch) {
                                    match = false;
                                }
                            }
                            else if (matchtype == "Any") {
                                if (!atleastonematch) {
                                    match = false;
                                }
                            }
                            else {
                                match = false;
                            }
                        }

                        if (match) {
                            rulesFile.setGroup("DeviceType");
                            TQString gentype = rulesFile.readEntry("GENTYPE");
                            TDEGenericDeviceType::TDEGenericDeviceType desiredDeviceType = device->type();
                            if (!gentype.isNull()) {
                                desiredDeviceType = readGenericDeviceTypeFromString(gentype);
                            }

                            // Handle main type
                            if (desiredDeviceType != device->type()) {
                                printf("[tdehardwaredevices] Rules file %s used to set device type for device at path %s\n", fi->absFilePath().ascii(), device->systemPath().ascii()); fflush(stdout);
                                if (m_deviceList.contains(device)) {
                                    m_deviceList.remove(device);
                                }
                                else {
                                    delete device;
                                }
                                device = createDeviceObjectForType(desiredDeviceType);
                            }

                            // Parse subtype and store in m_externalSubtype for later
                            // This speeds things up considerably due to the expense of the file scanning/parsing/matching operation
                            device->m_externalSubtype = rulesFile.readListEntry("SUBTYPE", ',');
                            device->m_externalRulesFile = fi->absFilePath();

                            // Process blacklist entries
                            rulesFile.setGroup("DeviceSettings");
                            device->internalSetBlacklistedForUpdate(rulesFile.readBoolEntry("UPDATE_BLACKLISTED", device->blacklistedForUpdate()));
                        }
                    }
                    ++it;
                }
            }
        }
    }

    return device;
}

TDEGenericDevice* TDEHardwareDevices::classifyUnknownDevice(udev_device* dev, TDEGenericDevice* existingdevice, bool force_full_classification) {
    // Classify device and create TDEHW device object
    TQString devicename;
    TQString devicetype;
    TQString devicedriver;
    TQString devicesubsystem;
    TQString devicenode;
    TQString systempath;
    TQString devicevendorid;
    TQString devicemodelid;
    TQString devicevendoridenc;
    TQString devicemodelidenc;
    TQString devicesubvendorid;
    TQString devicesubmodelid;
    TQString devicetypestring;
    TQString devicetypestring_alt;
    TQString devicepciclass;
    TDEGenericDevice* device = existingdevice;
    bool temp_udev_device = !dev;
    if (dev) {
        devicename = (udev_device_get_sysname(dev));
        devicetype = (udev_device_get_devtype(dev));
        devicedriver = (udev_device_get_driver(dev));
        devicesubsystem = (udev_device_get_subsystem(dev));
        devicenode = (udev_device_get_devnode(dev));
        systempath = (udev_device_get_syspath(dev));
        systempath += "/";
        devicevendorid = (udev_device_get_property_value(dev, "ID_VENDOR_ID"));
        devicemodelid = (udev_device_get_property_value(dev, "ID_MODEL_ID"));
        devicevendoridenc = (udev_device_get_property_value(dev, "ID_VENDOR_ENC"));
        devicemodelidenc = (udev_device_get_property_value(dev, "ID_MODEL_ENC"));
        devicesubvendorid = (udev_device_get_property_value(dev, "ID_SUBVENDOR_ID"));
        devicesubmodelid = (udev_device_get_property_value(dev, "ID_SUBMODEL_ID"));
        devicetypestring = (udev_device_get_property_value(dev, "ID_TYPE"));
        devicetypestring_alt = (udev_device_get_property_value(dev, "DEVTYPE"));
        devicepciclass = (udev_device_get_property_value(dev, "PCI_CLASS"));
    }
    else {
        if (device) {
            devicename = device->name();
            devicetype = device->m_udevtype;
            devicedriver = device->deviceDriver();
            devicesubsystem = device->subsystem();
            devicenode = device->deviceNode();
            systempath = device->systemPath();
            devicevendorid = device->vendorID();
            devicemodelid = device->modelID();
            devicevendoridenc = device->vendorEncoded();
            devicemodelidenc = device->modelEncoded();
            devicesubvendorid = device->subVendorID();
            devicesubmodelid = device->subModelID();
            devicetypestring = device->m_udevdevicetypestring;
            devicetypestring_alt = device->udevdevicetypestring_alt;
            devicepciclass = device->PCIClass();
        }
        TQString syspathudev = systempath;
        syspathudev.truncate(syspathudev.length()-1);   // Remove trailing slash
        dev = udev_device_new_from_syspath(m_udevStruct, syspathudev.ascii());
    }

    // FIXME
    // Only a small subset of devices are classified right now
    // Figure out the remaining udev logic to classify the rest!
    // Helpful file: http://www.enlightenment.org/svn/e/trunk/PROTO/enna-explorer/src/bin/udev.c

    bool done = false;
    TQString current_path = systempath;
    TQString devicemodalias = TQString::null;

    while (done == false) {
        TQString malnodename = current_path;
        malnodename.append("/modalias");
        TQFile malfile(malnodename);
        if (malfile.open(IO_ReadOnly)) {
            TQTextStream stream( &malfile );
            devicemodalias = stream.readLine();
            malfile.close();
        }
        if (devicemodalias.startsWith("pci") || devicemodalias.startsWith("usb")) {
            done = true;
        }
        else {
            devicemodalias = TQString::null;
            current_path.truncate(current_path.findRev("/"));
            if (!current_path.startsWith("/sys/devices")) {
                // Abort!
                done = true;
            }
        }
    }

    // Many devices do not provide their vendor/model ID via udev
    // Worse, sometimes udev provides an invalid model ID!
    // Go after it manually if needed...
    if (devicevendorid.isNull() || devicemodelid.isNull() || devicemodelid.contains("/")) {
        if (devicemodalias != TQString::null) {
            // For added fun the device string lengths differ between pci and usb
            if (devicemodalias.startsWith("pci")) {
                int vloc = devicemodalias.find("v");
                int dloc = devicemodalias.find("d", vloc);
                int svloc = devicemodalias.find("sv");
                int sdloc = devicemodalias.find("sd", vloc);

                devicevendorid = devicemodalias.mid(vloc+1, 8).lower();
                devicemodelid = devicemodalias.mid(dloc+1, 8).lower();
                if (svloc != -1) {
                    devicesubvendorid = devicemodalias.mid(svloc+1, 8).lower();
                    devicesubmodelid = devicemodalias.mid(sdloc+1, 8).lower();
                }
                devicevendorid.remove(0,4);
                devicemodelid.remove(0,4);
                devicesubvendorid.remove(0,4);
                devicesubmodelid.remove(0,4);
            }
            if (devicemodalias.startsWith("usb")) {
                int vloc = devicemodalias.find("v");
                int dloc = devicemodalias.find("p", vloc);
                int svloc = devicemodalias.find("sv");
                int sdloc = devicemodalias.find("sp", vloc);

                devicevendorid = devicemodalias.mid(vloc+1, 4).lower();
                devicemodelid = devicemodalias.mid(dloc+1, 4).lower();
                if (svloc != -1) {
                    devicesubvendorid = devicemodalias.mid(svloc+1, 4).lower();
                    devicesubmodelid = devicemodalias.mid(sdloc+1, 4).lower();
                }
            }
        }
    }

    // Most of the time udev doesn't barf up a device driver either, so go after it manually...
    if (devicedriver.isNull()) {
        TQString driverSymlink = udev_device_get_syspath(dev);
        TQString driverSymlinkDir = driverSymlink;
        driverSymlink.append("/device/driver");
        driverSymlinkDir.append("/device/");
        TQFileInfo dirfi(driverSymlink);
        if (dirfi.isSymLink()) {
            char* collapsedPath = realpath((driverSymlinkDir + dirfi.readLink()).ascii(), NULL);
            devicedriver = TQString(collapsedPath);
            free(collapsedPath);
            devicedriver.remove(0, devicedriver.findRev("/")+1);
        }
    }

    // udev removes critical leading zeroes in the PCI device class, so go after it manually...
    TQString classnodename = systempath;
    classnodename.append("/class");
    TQFile classfile( classnodename );
    if ( classfile.open( IO_ReadOnly ) ) {
        TQTextStream stream( &classfile );
        devicepciclass = stream.readLine();
        devicepciclass.replace("0x", "");
        devicepciclass = devicepciclass.lower();
        classfile.close();
    }

    // Classify generic device type and create appropriate object

    // Pull out all event special devices and stuff them under Event
    TQString syspath_tail = systempath.lower();
    syspath_tail.truncate(syspath_tail.length()-1);
    syspath_tail.remove(0, syspath_tail.findRev("/")+1);
    if (syspath_tail.startsWith("event")) {
        if (!device) device = new TDEEventDevice(TDEGenericDeviceType::Event);
    }
    // Pull out all input special devices and stuff them under Input
    if (syspath_tail.startsWith("input")) {
        if (!device) device = new TDEInputDevice(TDEGenericDeviceType::Input);
    }
    // Pull out remote-control devices and stuff them under Input
    if (devicesubsystem == "rc") {
        if (!device) device = new TDEInputDevice(TDEGenericDeviceType::Input);
    }

    // Check for keyboard
    // Linux doesn't actually ID the keyboard device itself as such, it instead IDs the input device that is underneath the actual keyboard itseld
    // Therefore we need to scan <syspath>/input/input* for the ID_INPUT_KEYBOARD attribute
    bool is_keyboard = false;
    TQString inputtopdirname = udev_device_get_syspath(dev);
    inputtopdirname.append("/input/");
    TQDir inputdir(inputtopdirname);
    inputdir.setFilter(TQDir::All);
    const TQFileInfoList *dirlist = inputdir.entryInfoList();
    if (dirlist) {
        TQFileInfoListIterator inputdirsit(*dirlist);
        TQFileInfo *dirfi;
        while ( (dirfi = inputdirsit.current()) != 0 ) {
            if ((dirfi->fileName() != ".") && (dirfi->fileName() != "..")) {
                struct udev_device *slavedev;
                slavedev = udev_device_new_from_syspath(m_udevStruct, (inputtopdirname + dirfi->fileName()).ascii());
                if (udev_device_get_property_value(slavedev, "ID_INPUT_KEYBOARD") != 0) {
                    is_keyboard = true;
                }
                udev_device_unref(slavedev);
            }
            ++inputdirsit;
        }
    }
    if (is_keyboard) {
        if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Keyboard);
    }

    // Classify specific known devices
    if (((devicetype == "disk")
        || (devicetype == "partition")
        || (devicedriver == "floppy")
        || (devicesubsystem == "scsi_disk")
        || (devicesubsystem == "scsi_tape"))
        && ((devicenode != "")
        )) {
        if (!device) device = new TDEStorageDevice(TDEGenericDeviceType::Disk);
    }
    else if (devicetype == "host") {
        if (devicesubsystem == "bluetooth") {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::BlueTooth);
        }
    }
    else if (devicetype.isNull()) {
        if (devicesubsystem == "acpi") {
            // If the ACPI device exposes a system path ending in /PNPxxxx:yy, the device type can be precisely determined
            // See ftp://ftp.microsoft.com/developr/drg/plug-and-play/devids.txt for more information
            TQString pnpgentype = systempath;
            pnpgentype.remove(0, pnpgentype.findRev("/")+1);
            pnpgentype.truncate(pnpgentype.find(":"));
            if (pnpgentype.startsWith("PNP")) {
                // If a device has been classified as belonging to the ACPI subsystem usually there is a "real" device related to it elsewhere in the system
                // Furthermore, the "real" device elsewhere almost always has more functionality exposed via sysfs
                // Therefore all ACPI subsystem devices should be stuffed in the OtherACPI category and largely ignored
                if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::OtherACPI);
            }
            else {
                if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::OtherACPI);
            }
        }
        else if (devicesubsystem == "input") {
            // Figure out if this device is a mouse, keyboard, or something else
            // Check for mouse
            // udev doesn't reliably help here, so guess from the device name
            if (systempath.contains("/mouse")) {
                if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Mouse);
            }
            if (!device) {
                // Second mouse check
                // Look for ID_INPUT_MOUSE property presence
                if (udev_device_get_property_value(dev, "ID_INPUT_MOUSE") != 0) {
                    if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Mouse);
                }
            }
            if (!device) {
                // Check for keyboard
                // Look for ID_INPUT_KEYBOARD property presence
                if (udev_device_get_property_value(dev, "ID_INPUT_KEYBOARD") != 0) {
                    if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Keyboard);
                }
            }
            if (!device) {
                if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::HID);
            }
        }
        else if (devicesubsystem == "tty") {
            if (devicenode.contains("/ttyS")) {
                if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Serial);
            }
            else {
                if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::TextIO);
            }
        }
        else if (devicesubsystem == "usb-serial") {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Serial);
        }
        else if ((devicesubsystem == "spi_master")
            || (devicesubsystem == "spidev")) {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Serial);
        }
        else if (devicesubsystem == "spi") {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Platform);
        }
        else if (devicesubsystem == "watchdog") {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Platform);
        }
        else if (devicesubsystem == "node") {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Platform);
        }
        else if (devicesubsystem == "regulator") {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Platform);
        }
        else if (devicesubsystem == "memory") {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Platform);
        }
        else if (devicesubsystem == "clockevents") {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Platform);
        }
        else if (devicesubsystem == "thermal") {
            // FIXME
            // Figure out a way to differentiate between ThermalControl (fans and coolers) and ThermalSensor types
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::ThermalControl);
        }
        else if (devicesubsystem == "hwmon") {
            // FIXME
            // This might pick up thermal sensors
            if (!device) device = new TDESensorDevice(TDEGenericDeviceType::OtherSensor);
        }
        else if (devicesubsystem == "vio") {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Platform);
        }
        else if (devicesubsystem == "virtio") {
            if (devicedriver == "virtio_blk") {
                if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::SCSI);
            }
            if (devicedriver == "virtio_net") {
                if (!device) device = new TDENetworkDevice(TDEGenericDeviceType::Network);
            }
            if (devicedriver == "virtio_balloon") {
                if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::RAM);
            }
        }
    }

    // Try to at least generally classify unclassified devices
    if (device == 0) {
        if (devicesubsystem == "backlight") {
            if (!device) device = new TDEBacklightDevice(TDEGenericDeviceType::Backlight);
        }
        if (systempath.lower().startsWith("/sys/module/")
            || (systempath.lower().startsWith("/sys/kernel/"))) {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Platform); // FIXME Should go into a new kernel module category when the tdelibs ABI can be broken again
        }
        if ((devicetypestring == "audio")
            || (devicesubsystem == "sound")
            || (devicesubsystem == "hdaudio")
            || (devicesubsystem == "ac97")) {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Sound);
        }
        if (devicesubsystem == "container") {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::OtherACPI);
        }
        if ((devicesubsystem == "video4linux")
            || (devicesubsystem == "dvb")) {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::VideoCapture);
        }
        if ((devicetypestring_alt == "scsi_target")
            || (devicesubsystem == "scsi_host")
            || (devicesubsystem == "scsi_disk")
            || (devicesubsystem == "scsi_device")
            || (devicesubsystem == "scsi_generic")
            || (devicesubsystem == "scsi")
            || (devicetypestring_alt == "sas_target")
            || (devicesubsystem == "sas_host")
            || (devicesubsystem == "sas_port")
            || (devicesubsystem == "sas_device")
            || (devicesubsystem == "sas_expander")
            || (devicesubsystem == "sas_generic")
            || (devicesubsystem == "sas_phy")
            || (devicesubsystem == "sas_end_device")
            || (devicesubsystem == "spi_transport")
            || (devicesubsystem == "spi_host")
            || (devicesubsystem == "ata_port")
            || (devicesubsystem == "ata_link")
            || (devicesubsystem == "ata_disk")
            || (devicesubsystem == "ata_device")
            || (devicesubsystem == "ata")) {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Platform);
        }
        if (devicesubsystem == "infiniband") {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Peripheral);
        }
        if ((devicesubsystem == "infiniband_cm")
            || (devicesubsystem == "infiniband_mad")
            || (devicesubsystem == "infiniband_verbs")) {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Platform);
        }
        if (devicesubsystem == "infiniband_srp") {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::SCSI);
        }
        if ((devicesubsystem == "enclosure")
            || (devicesubsystem == "clocksource")
            || (devicesubsystem == "amba")) {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Platform);
        }
        if (devicesubsystem == "edac") {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::RAM);
        }
        if (devicesubsystem.startsWith("mc") && systempath.contains("/edac/")) {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::RAM);
        }
        if ((devicesubsystem == "ipmi")
            || (devicesubsystem == "ipmi_si")) {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Mainboard);
        }
        if (devicesubsystem == "iommu") {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Platform);
        }
        if (devicesubsystem == "misc") {
            if (devicedriver.startsWith("tpm_")) {
                if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Cryptography);
            }
            else {
                if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Platform);
            }
        }
        if (devicesubsystem == "media") {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Platform);
        }
        if (devicesubsystem == "nd") {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::RAM);
        }
        if (devicesubsystem == "ptp") {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Timekeeping);
        }
        if (devicesubsystem == "leds") {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::OtherACPI);
        }
        if (devicesubsystem == "net") {
            if (!device) device = new TDENetworkDevice(TDEGenericDeviceType::Network);
        }
        if ((devicesubsystem == "i2c")
            || (devicesubsystem == "i2c-dev")) {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::I2C);
        }
        if (devicesubsystem == "mdio_bus") {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::MDIO);
        }
        if (devicesubsystem == "graphics") {
            if (devicenode.isNull()) {  // GPUs do not have associated device nodes
                if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::GPU);
            }
            else {
                if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Platform);
            }
        }
        if (devicesubsystem == "tifm_adapter") {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::StorageController);
        }
        if ((devicesubsystem == "mmc_host")
            || (devicesubsystem == "memstick_host")) {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::StorageController);
        }
        if (devicesubsystem == "mmc") {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Platform);
        }
        if ((devicesubsystem == "event_source")
            || (devicesubsystem == "rtc")) {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Mainboard);
        }
        if (devicesubsystem == "bsg") {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::SCSI);
        }
        if (devicesubsystem == "firewire") {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::IEEE1394);
        }
        if (devicesubsystem == "drm") {
            if (devicenode.isNull()) {  // Monitors do not have associated device nodes
                if (!device) device = new TDEMonitorDevice(TDEGenericDeviceType::Monitor);
            }
            else {
                if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Platform);
            }
        }
        if (devicesubsystem == "nvmem") {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::NonvolatileMemory);
        }
        if (devicesubsystem == "serio") {
            if (devicedriver.contains("atkbd")) {
                if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Keyboard);
            }
            else if (devicedriver.contains("mouse")) {
                if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Mouse);
            }
            else {
                if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Serial);
            }
        }
        if ((devicesubsystem == "ppdev")
            || (devicesubsystem == "parport")) {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Parallel);
        }
        if (devicesubsystem == "printer") {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Printer);
        }
        if (devicesubsystem == "bridge") {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Bridge);
        }
        if ((devicesubsystem == "pci_bus")
            || (devicesubsystem == "pci_express")) {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Bus);
        }
        if (devicesubsystem == "pcmcia_socket") {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::PCMCIA);
        }
        if (devicesubsystem == "platform") {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Platform);
        }
        if (devicesubsystem == "ieee80211") {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Platform);
        }
        if (devicesubsystem == "rfkill") {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Platform);
        }
        if (devicesubsystem == "machinecheck") {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Platform);
        }
        if (devicesubsystem == "pnp") {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::PNP);
        }
        if ((devicesubsystem == "hid")
            || (devicesubsystem == "hidraw")
            || (devicesubsystem == "usbhid")) {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::HID);
        }
        if (devicesubsystem == "power_supply") {
            TQString powersupplyname(udev_device_get_property_value(dev, "POWER_SUPPLY_NAME"));
            if ((devicedriver == "ac")
                || (devicedriver.contains("charger"))
                || (powersupplyname.upper().startsWith("AC"))) {
                if (!device) device = new TDEMainsPowerDevice(TDEGenericDeviceType::PowerSupply);
            }
            else {
                if (!device) device = new TDEBatteryDevice(TDEGenericDeviceType::Battery);
            }
        }
        if (systempath.lower().startsWith("/sys/devices/virtual")) {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::OtherVirtual);
        }

        // Moderate accuracy classification, if PCI device class is available
        // See http://www.acm.uiuc.edu/sigops/roll_your_own/7.c.1.html for codes and meanings
        if (!devicepciclass.isNull()) {
            // Pre PCI 2.0
            if (devicepciclass.startsWith("0001")) {
                if (devicenode.isNull()) {  // GPUs do not have associated device nodes
                    if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::GPU);
                }
                else {
                    if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Platform);
                }
            }
            // Post PCI 2.0
            TQString devicepcisubclass = devicepciclass;
            devicepcisubclass = devicepcisubclass.remove(0,2);
            if (devicepciclass.startsWith("01")) {
                if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::StorageController);
            }
            if (devicepciclass.startsWith("02")) {
                if (!device) device = new TDENetworkDevice(TDEGenericDeviceType::Network);
            }
            if (devicepciclass.startsWith("03")) {
                if (devicenode.isNull()) {  // GPUs do not have associated device nodes
                    if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::GPU);
                }
                else {
                    if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Platform);
                }
            }
            if (devicepciclass.startsWith("04")) {
                if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::OtherMultimedia);
            }
            if (devicepciclass.startsWith("05")) {
                if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::RAM);
            }
            if (devicepciclass.startsWith("06")) {
                if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Bridge);
            }
            if (devicepciclass.startsWith("07")) {
                if (devicepcisubclass.startsWith("03")) {
                    if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Modem);
                }
            }
            if (devicepciclass.startsWith("0a")) {
                if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Dock);
            }
            if (devicepciclass.startsWith("0b")) {
                if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::CPU);
            }
            if (devicepciclass.startsWith("0c")) {
                if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Serial);
            }
        }

        if ((devicesubsystem == "usb")
            && (devicedriver == "uvcvideo")) {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Platform);
        }

        // Last ditch attempt at classification
        // Likely inaccurate and sweeping
        if ((devicesubsystem == "usb")
            || (devicesubsystem == "usbmisc")
            || (devicesubsystem == "usb_device")
            || (devicesubsystem == "usbmon")) {
                // Get USB interface class for further classification
                int usbInterfaceClass = -1;
                {
                    TQFile ifaceprotofile(current_path + "/bInterfaceClass");
                    if (ifaceprotofile.open(IO_ReadOnly)) {
                        TQTextStream stream( &ifaceprotofile );
                        usbInterfaceClass = stream.readLine().toUInt(NULL, 16);
                        ifaceprotofile.close();
                    }
                }
                // Get USB interface subclass for further classification
                int usbInterfaceSubClass = -1;
                {
                    TQFile ifaceprotofile(current_path + "/bInterfaceSubClass");
                    if (ifaceprotofile.open(IO_ReadOnly)) {
                        TQTextStream stream( &ifaceprotofile );
                        usbInterfaceSubClass = stream.readLine().toUInt(NULL, 16);
                        ifaceprotofile.close();
                    }
                }
                // Get USB interface protocol for further classification
                int usbInterfaceProtocol = -1;
                {
                    TQFile ifaceprotofile(current_path + "/bInterfaceProtocol");
                    if (ifaceprotofile.open(IO_ReadOnly)) {
                        TQTextStream stream( &ifaceprotofile );
                        usbInterfaceProtocol = stream.readLine().toUInt(NULL, 16);
                        ifaceprotofile.close();
                    }
                }
                if ((usbInterfaceClass == 6) && (usbInterfaceSubClass == 1) && (usbInterfaceProtocol == 1)) {
                    // PictBridge
                    if (!device) {
                        device = new TDEStorageDevice(TDEGenericDeviceType::Disk);
                        TDEStorageDevice* sdevice = static_cast<TDEStorageDevice*>(device);
                        sdevice->internalSetDiskType(TDEDiskDeviceType::Camera);
                        TQString parentsyspathudev = systempath;
                        parentsyspathudev.truncate(parentsyspathudev.length()-1);   // Remove trailing slash
                        parentsyspathudev.truncate(parentsyspathudev.findRev("/"));
                        struct udev_device *parentdev;
                        parentdev = udev_device_new_from_syspath(m_udevStruct, parentsyspathudev.ascii());
                        devicenode = (udev_device_get_devnode(parentdev));
                        udev_device_unref(parentdev);
                    }
                }
                else if (usbInterfaceClass == 9) {
                    // Hub
                    if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Hub);
                }
                else if (usbInterfaceClass == 11) {
                    // Smart Card Reader
                    if (!device) device = new TDECryptographicCardDevice(TDEGenericDeviceType::CryptographicCard);
                }
                else if (usbInterfaceClass == 14) {
                    // Fingerprint Reader
                    if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::BiometricSecurity);
                }
                else if (usbInterfaceClass == 254) {
                    // Test and/or Measurement Device
                    if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::TestAndMeasurement);
                }
                else {
                    if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::OtherUSB);
                }
        }
        if (devicesubsystem == "pci") {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::OtherPeripheral);
        }
        if (devicesubsystem == "cpu") {
            if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Platform);
        }
    }

    if (device == 0) {
        // Unhandled
        if (!device) device = new TDEGenericDevice(TDEGenericDeviceType::Other);
        printf("[FIXME] UNCLASSIFIED DEVICE name: %s type: %s subsystem: %s driver: %s [Node Path: %s] [Syspath: %s] [%s:%s]\n", devicename.ascii(), devicetype.ascii(), devicesubsystem.ascii(), devicedriver.ascii(), devicenode.ascii(), udev_device_get_syspath(dev), devicevendorid.ascii(), devicemodelid.ascii()); fflush(stdout);
    }

    // Root devices are special
    if ((device->type() == TDEGenericDeviceType::Root) || (device->type() == TDEGenericDeviceType::RootSystem)) {
        systempath = device->systemPath();
    }

    // Set preliminary basic device information
    device->internalSetName(devicename);
    device->internalSetDeviceNode(devicenode);
    device->internalSetSystemPath(systempath);
    device->internalSetVendorID(devicevendorid);
    device->internalSetModelID(devicemodelid);
    device->internalSetVendorEncoded(devicevendoridenc);
    device->internalSetModelEncoded(devicemodelidenc);
    device->internalSetSubVendorID(devicesubvendorid);
    device->internalSetSubModelID(devicesubmodelid);
    device->internalSetModuleAlias(devicemodalias);
    device->internalSetDeviceDriver(devicedriver);
    device->internalSetSubsystem(devicesubsystem);
    device->internalSetPCIClass(devicepciclass);

    updateBlacklists(device, dev);

    if (force_full_classification) {
        // Check external rules for possible device type overrides
        device = classifyUnknownDeviceByExternalRules(dev, device, false);
    }

    // Internal use only!
    device->m_udevtype = devicetype;
    device->m_udevdevicetypestring = devicetypestring;
    device->udevdevicetypestring_alt = devicetypestring_alt;

    updateExistingDeviceInformation(device, dev);

    if (temp_udev_device) {
        udev_device_unref(dev);
    }

    return device;
}

void TDEHardwareDevices::updateExistingDeviceInformation(TDEGenericDevice* existingdevice, udev_device* dev) {
    TQString devicename;
    TQString devicetype;
    TQString devicedriver;
    TQString devicesubsystem;
    TQString devicenode;
    TQString systempath;
    TQString devicevendorid;
    TQString devicemodelid;
    TQString devicevendoridenc;
    TQString devicemodelidenc;
    TQString devicesubvendorid;
    TQString devicesubmodelid;
    TQString devicetypestring;
    TQString devicetypestring_alt;
    TQString devicepciclass;
    TDEGenericDevice* device = existingdevice;
    bool temp_udev_device = !dev;

    devicename = device->name();
    devicetype = device->m_udevtype;
    devicedriver = device->deviceDriver();
    devicesubsystem = device->subsystem();
    devicenode = device->deviceNode();
    systempath = device->systemPath();
    devicevendorid = device->vendorID();
    devicemodelid = device->modelID();
    devicevendoridenc = device->vendorEncoded();
    devicemodelidenc = device->modelEncoded();
    devicesubvendorid = device->subVendorID();
    devicesubmodelid = device->subModelID();
    devicetypestring = device->m_udevdevicetypestring;
    devicetypestring_alt = device->udevdevicetypestring_alt;
    devicepciclass = device->PCIClass();

    if (!dev) {
        TQString syspathudev = systempath;
        syspathudev.truncate(syspathudev.length()-1);   // Remove trailing slash
        dev = udev_device_new_from_syspath(m_udevStruct, syspathudev.ascii());
    }

    if (device->type() == TDEGenericDeviceType::Disk) {
        TDEStorageDevice* sdevice = static_cast<TDEStorageDevice*>(device);
        if (sdevice->diskType() & TDEDiskDeviceType::Camera) {
            // PictBridge cameras are special and should not be classified by standard rules
            sdevice->internalSetDiskStatus(TDEDiskDeviceStatus::Removable);
            sdevice->internalSetFileSystemName("pictbridge");
        }
        else {
            bool removable = false;
            bool hotpluggable = false;

            // We can get the removable flag, but we have no idea if the device has the ability to notify on media insertion/removal
            // If there is no such notification possible, then we should not set the removable flag
            // udev can be such an amazing pain at times
            // It exports a /capabilities node with no info on what the bits actually mean
            // This information is very poorly documented as a set of #defines in include/linux/genhd.h
            // We are specifically interested in GENHD_FL_REMOVABLE and GENHD_FL_MEDIA_CHANGE_NOTIFY
            // The "removable" flag should also really be renamed to "hotpluggable", as that is far more precise...
            TQString capabilitynodename = systempath;
            capabilitynodename.append("/capability");
            TQFile capabilityfile( capabilitynodename );
            unsigned int capabilities = 0;
            if ( capabilityfile.open( IO_ReadOnly ) ) {
                TQTextStream stream( &capabilityfile );
                TQString capabilitystring;
                capabilitystring = stream.readLine();
                capabilities = capabilitystring.toUInt();
                capabilityfile.close();
            }
            if (capabilities & GENHD_FL_REMOVABLE) {
                // FIXME
                // For added fun this is not always true; i.e. GENHD_FL_REMOVABLE can be set when the device cannot be hotplugged (floppy drives).
                hotpluggable = true;
            }
            if (capabilities & GENHD_FL_MEDIA_CHANGE_NOTIFY) {
                removable = true;
            }

            // See if any other devices are exclusively using this device, such as the Device Mapper
            TQStringList holdingDeviceNodes;
            TQString holdersnodename = udev_device_get_syspath(dev);
            holdersnodename.append("/holders/");
            TQDir holdersdir(holdersnodename);
            holdersdir.setFilter(TQDir::All);
            const TQFileInfoList *dirlist = holdersdir.entryInfoList();
            if (dirlist) {
                TQFileInfoListIterator holdersdirit(*dirlist);
                TQFileInfo *dirfi;
                while ( (dirfi = holdersdirit.current()) != 0 ) {
                    if (dirfi->isSymLink()) {
                        char* collapsedPath = realpath((holdersnodename + dirfi->readLink()).ascii(), NULL);
                        holdingDeviceNodes.append(TQString(collapsedPath));
                        free(collapsedPath);
                    }
                    ++holdersdirit;
                }
            }

            // See if any other physical devices underlie this device, for example when the Device Mapper is in use
            TQStringList slaveDeviceNodes;
            TQString slavesnodename = udev_device_get_syspath(dev);
            slavesnodename.append("/slaves/");
            TQDir slavedir(slavesnodename);
            slavedir.setFilter(TQDir::All);
            dirlist = slavedir.entryInfoList();
            if (dirlist) {
                TQFileInfoListIterator slavedirit(*dirlist);
                TQFileInfo *dirfi;
                while ( (dirfi = slavedirit.current()) != 0 ) {
                    if (dirfi->isSymLink()) {
                        char* collapsedPath = realpath((slavesnodename + dirfi->readLink()).ascii(), NULL);
                        slaveDeviceNodes.append(TQString(collapsedPath));
                        free(collapsedPath);
                    }
                    ++slavedirit;
                }
            }

            // Determine generic disk information
            TQString devicevendor(udev_device_get_property_value(dev, "ID_VENDOR"));
            TQString devicemodel(udev_device_get_property_value(dev, "ID_MODEL"));
            TQString devicebus(udev_device_get_property_value(dev, "ID_BUS"));

            // Get disk specific info
            TQString disklabel(decodeHexEncoding(TQString::fromLocal8Bit(udev_device_get_property_value(dev, "ID_FS_LABEL_ENC"))));
            if (disklabel == "") {
                disklabel = TQString::fromLocal8Bit(udev_device_get_property_value(dev, "ID_FS_LABEL"));
            }
            TQString diskuuid(udev_device_get_property_value(dev, "ID_FS_UUID"));
            TQString filesystemtype(udev_device_get_property_value(dev, "ID_FS_TYPE"));
            TQString filesystemusage(udev_device_get_property_value(dev, "ID_FS_USAGE"));

            device->internalSetVendorName(devicevendor);
            device->internalSetVendorModel(devicemodel);
            device->internalSetDeviceBus(devicebus);

            TDEDiskDeviceType::TDEDiskDeviceType disktype = sdevice->diskType();
            TDEDiskDeviceStatus::TDEDiskDeviceStatus diskstatus = TDEDiskDeviceStatus::Null;

            TDEStorageDevice* parentdisk = NULL;
            if (!(TQString(udev_device_get_property_value(dev, "ID_PART_ENTRY_NUMBER")).isEmpty())) {
                TQString parentsyspath = systempath;
                parentsyspath.truncate(parentsyspath.length()-1);   // Remove trailing slash
                parentsyspath.truncate(parentsyspath.findRev("/"));
                parentdisk = static_cast<TDEStorageDevice*>(findBySystemPath(parentsyspath));
            }
            disktype = classifyDiskType(dev, devicenode, devicebus, devicetypestring, systempath, devicevendor, devicemodel, filesystemtype, devicedriver);
            if (parentdisk) {
                // Set partition disk type and status based on the parent device
                disktype = disktype | parentdisk->diskType();
                diskstatus = diskstatus | parentdisk->diskStatus();
            }
            sdevice->internalSetDiskType(disktype);
            device = classifyUnknownDeviceByExternalRules(dev, device, true);   // Check external rules for possible subtype overrides
            disktype = sdevice->diskType();                     // The type can be overridden by an external rule

            if (TQString(udev_device_get_property_value(dev, "UDISKS_IGNORE")) == "1") {
                diskstatus = diskstatus | TDEDiskDeviceStatus::Hidden;
            }

            if ((disktype & TDEDiskDeviceType::CDROM)
                || (disktype & TDEDiskDeviceType::CDR)
                || (disktype & TDEDiskDeviceType::CDRW)
                || (disktype & TDEDiskDeviceType::CDMO)
                || (disktype & TDEDiskDeviceType::CDMRRW)
                || (disktype & TDEDiskDeviceType::CDMRRWW)
                || (disktype & TDEDiskDeviceType::DVDROM)
                || (disktype & TDEDiskDeviceType::DVDRAM)
                || (disktype & TDEDiskDeviceType::DVDR)
                || (disktype & TDEDiskDeviceType::DVDRW)
                || (disktype & TDEDiskDeviceType::DVDRDL)
                || (disktype & TDEDiskDeviceType::DVDRWDL)
                || (disktype & TDEDiskDeviceType::DVDPLUSR)
                || (disktype & TDEDiskDeviceType::DVDPLUSRW)
                || (disktype & TDEDiskDeviceType::DVDPLUSRDL)
                || (disktype & TDEDiskDeviceType::DVDPLUSRWDL)
                || (disktype & TDEDiskDeviceType::BDROM)
                || (disktype & TDEDiskDeviceType::BDR)
                || (disktype & TDEDiskDeviceType::BDRW)
                || (disktype & TDEDiskDeviceType::HDDVDROM)
                || (disktype & TDEDiskDeviceType::HDDVDR)
                || (disktype & TDEDiskDeviceType::HDDVDRW)
                || (disktype & TDEDiskDeviceType::CDAudio)
                || (disktype & TDEDiskDeviceType::CDVideo)
                || (disktype & TDEDiskDeviceType::DVDVideo)
                || (disktype & TDEDiskDeviceType::BDVideo)
                ) {
                // These drives are guaranteed to be optical
                disktype = disktype | TDEDiskDeviceType::Optical;
            }

            if (disktype & TDEDiskDeviceType::Floppy) {
                // Floppy drives don't work well under udev
                // I have to look for the block device name manually
                TQString floppyblknodename = systempath;
                floppyblknodename.append("/block");
                TQDir floppyblkdir(floppyblknodename);
                floppyblkdir.setFilter(TQDir::All);
                const TQFileInfoList *floppyblkdirlist = floppyblkdir.entryInfoList();
                if (floppyblkdirlist) {
                    TQFileInfoListIterator floppyblkdirit(*floppyblkdirlist);
                    TQFileInfo *dirfi;
                    while ( (dirfi = floppyblkdirit.current()) != 0 ) {
                        if ((dirfi->fileName() != ".") && (dirfi->fileName() != "..")) {
                            // Does this routine work with more than one floppy drive in the system?
                            devicenode = TQString("/dev/").append(dirfi->fileName());
                        }
                        ++floppyblkdirit;
                    }
                }

                // Some interesting information can be gleaned from the CMOS type file
                // 0 : Defaults
                // 1 : 5 1/4 DD
                // 2 : 5 1/4 HD
                // 3 : 3 1/2 DD
                // 4 : 3 1/2 HD
                // 5 : 3 1/2 ED
                // 6 : 3 1/2 ED
                // 16 : unknown or not installed
                TQString floppycmsnodename = systempath;
                floppycmsnodename.append("/cmos");
                TQFile floppycmsfile( floppycmsnodename );
                TQString cmosstring;
                if ( floppycmsfile.open( IO_ReadOnly ) ) {
                    TQTextStream stream( &floppycmsfile );
                    cmosstring = stream.readLine();
                    floppycmsfile.close();
                }
                // FIXME
                // Do something with the information in cmosstring

                if (devicenode.isNull()) {
                    // This floppy drive cannot be mounted, so ignore it
                    disktype = disktype & ~TDEDiskDeviceType::Floppy;
                }
            }

            if (devicetypestring.upper() == "CD") {
                if (TQString(udev_device_get_property_value(dev, "ID_CDROM_MEDIA_STATE")).upper() == "BLANK") {
                    diskstatus = diskstatus | TDEDiskDeviceStatus::Blank;
                }
                sdevice->internalSetMediaInserted((TQString(udev_device_get_property_value(dev, "ID_CDROM_MEDIA")) != ""));
            }

            if (disktype & TDEDiskDeviceType::Zip) {
                // A Zip drive does not advertise its status via udev, but it can be guessed from the size parameter
                TQString zipnodename = systempath;
                zipnodename.append("/size");
                TQFile namefile( zipnodename );
                TQString zipsize;
                if ( namefile.open( IO_ReadOnly ) ) {
                    TQTextStream stream( &namefile );
                    zipsize = stream.readLine();
                    namefile.close();
                }
                if (!zipsize.isNull()) {
                    sdevice->internalSetMediaInserted((zipsize.toInt() != 0));
                }
            }

            if (removable) {
                diskstatus = diskstatus | TDEDiskDeviceStatus::Removable;
            }
            if (hotpluggable) {
                diskstatus = diskstatus | TDEDiskDeviceStatus::Hotpluggable;
            }
            // Force removable flag for flash disks
            // udev reports disks as non-removable for card readers on PCI controllers
            if (((disktype & TDEDiskDeviceType::CompactFlash)
                 || (disktype & TDEDiskDeviceType::MemoryStick)
                 || (disktype & TDEDiskDeviceType::SmartMedia)
                 || (disktype & TDEDiskDeviceType::SDMMC))
                && !(diskstatus & TDEDiskDeviceStatus::Removable)
                && !(diskstatus & TDEDiskDeviceStatus::Hotpluggable)) {
                diskstatus = diskstatus | TDEDiskDeviceStatus::Hotpluggable;
            }

            if ((filesystemtype.upper() != "CRYPTO_LUKS") && (filesystemtype.upper() != "CRYPTO") && (filesystemtype.upper() != "SWAP") && (!filesystemtype.isEmpty())) {
                diskstatus = diskstatus | TDEDiskDeviceStatus::ContainsFilesystem;
            }
            else {
                diskstatus = diskstatus & ~TDEDiskDeviceStatus::ContainsFilesystem;
            }

            // Set mountable flag if device is likely to be mountable
            diskstatus = diskstatus | TDEDiskDeviceStatus::Mountable;
            if ((devicetypestring.upper().isNull()) && (disktype & TDEDiskDeviceType::HDD)) {
                diskstatus = diskstatus & ~TDEDiskDeviceStatus::Mountable;
            }
            if (removable) {
                if (sdevice->mediaInserted()) {
                    diskstatus = diskstatus | TDEDiskDeviceStatus::Inserted;
                }
                else {
                    diskstatus = diskstatus & ~TDEDiskDeviceStatus::Mountable;
                }
            }
            // Swap partitions cannot be mounted
            if (filesystemtype.upper() == "SWAP") {
                diskstatus = diskstatus & ~TDEDiskDeviceStatus::Mountable;
            }
            // Partition tables cannot be mounted
            if ((TQString(udev_device_get_property_value(dev, "ID_PART_TABLE_TYPE")) != "")
                && ((TQString(udev_device_get_property_value(dev, "ID_PART_ENTRY_TYPE")).isEmpty())
                || (TQString(udev_device_get_property_value(dev, "ID_PART_ENTRY_TYPE")) == "0x5")
                || (TQString(udev_device_get_property_value(dev, "ID_PART_ENTRY_TYPE")) == "0xf")
                || (TQString(udev_device_get_property_value(dev, "ID_FS_USAGE")).upper() == "RAID"))) {
                diskstatus = diskstatus & ~TDEDiskDeviceStatus::Mountable;
            }
            // If certain disk types do not report the presence of a filesystem, they are likely not mountable
            if ((disktype & TDEDiskDeviceType::HDD) || (disktype & TDEDiskDeviceType::Optical)) {
                if (!(diskstatus & TDEDiskDeviceStatus::ContainsFilesystem)) {
                    diskstatus = diskstatus & ~TDEDiskDeviceStatus::Mountable;
                }
            }

            if (holdingDeviceNodes.count() > 0) {
                diskstatus = diskstatus | TDEDiskDeviceStatus::UsedByDevice;
            }

            if (slaveDeviceNodes.count() > 0) {
                diskstatus = diskstatus | TDEDiskDeviceStatus::UsesDevice;
            }

            // See if any slaves were crypted
            for ( TQStringList::Iterator slaveit = slaveDeviceNodes.begin(); slaveit != slaveDeviceNodes.end(); ++slaveit ) {
                struct udev_device *slavedev;
                slavedev = udev_device_new_from_syspath(m_udevStruct, (*slaveit).ascii());
                TQString slavediskfstype(udev_device_get_property_value(slavedev, "ID_FS_TYPE"));
                if ((slavediskfstype.upper() == "CRYPTO_LUKS") || (slavediskfstype.upper() == "CRYPTO")) {
                    disktype = disktype | TDEDiskDeviceType::UnlockedCrypt;
                    // Set disk type based on parent device
                    disktype = disktype | classifyDiskType(slavedev, devicenode, TQString(udev_device_get_property_value(dev, "ID_BUS")), TQString(udev_device_get_property_value(dev, "ID_TYPE")), (*slaveit), TQString(udev_device_get_property_value(dev, "ID_VENDOR")), TQString(udev_device_get_property_value(dev, "ID_MODEL")), TQString(udev_device_get_property_value(dev, "ID_FS_TYPE")), TQString(udev_device_get_driver(dev)));
                }
                udev_device_unref(slavedev);
            }

            sdevice->internalSetDiskType(disktype);
            sdevice->internalSetDiskUUID(diskuuid);
            sdevice->internalSetDiskStatus(diskstatus);
            sdevice->internalSetFileSystemName(filesystemtype);
            sdevice->internalSetFileSystemUsage(filesystemusage);
            sdevice->internalSetSlaveDevices(slaveDeviceNodes);
            sdevice->internalSetHoldingDevices(holdingDeviceNodes);

            // Clean up disk label
            if ((sdevice->isDiskOfType(TDEDiskDeviceType::CDROM))
                || (sdevice->isDiskOfType(TDEDiskDeviceType::CDR))
                || (sdevice->isDiskOfType(TDEDiskDeviceType::CDRW))
                || (sdevice->isDiskOfType(TDEDiskDeviceType::CDMO))
                || (sdevice->isDiskOfType(TDEDiskDeviceType::CDMRRW))
                || (sdevice->isDiskOfType(TDEDiskDeviceType::CDMRRWW))
                || (sdevice->isDiskOfType(TDEDiskDeviceType::DVDROM))
                || (sdevice->isDiskOfType(TDEDiskDeviceType::DVDRAM))
                || (sdevice->isDiskOfType(TDEDiskDeviceType::DVDR))
                || (sdevice->isDiskOfType(TDEDiskDeviceType::DVDRW))
                || (sdevice->isDiskOfType(TDEDiskDeviceType::DVDRDL))
                || (sdevice->isDiskOfType(TDEDiskDeviceType::DVDRWDL))
                || (sdevice->isDiskOfType(TDEDiskDeviceType::DVDPLUSR))
                || (sdevice->isDiskOfType(TDEDiskDeviceType::DVDPLUSRW))
                || (sdevice->isDiskOfType(TDEDiskDeviceType::DVDPLUSRDL))
                || (sdevice->isDiskOfType(TDEDiskDeviceType::DVDPLUSRWDL))
                || (sdevice->isDiskOfType(TDEDiskDeviceType::BDROM))
                || (sdevice->isDiskOfType(TDEDiskDeviceType::BDR))
                || (sdevice->isDiskOfType(TDEDiskDeviceType::BDRW))
                || (sdevice->isDiskOfType(TDEDiskDeviceType::HDDVDROM))
                || (sdevice->isDiskOfType(TDEDiskDeviceType::HDDVDR))
                || (sdevice->isDiskOfType(TDEDiskDeviceType::HDDVDRW))
                || (sdevice->isDiskOfType(TDEDiskDeviceType::CDAudio))
                || (sdevice->isDiskOfType(TDEDiskDeviceType::CDVideo))
                || (sdevice->isDiskOfType(TDEDiskDeviceType::DVDVideo))
                || (sdevice->isDiskOfType(TDEDiskDeviceType::BDVideo))
                ) {
                if (disklabel == "" && sdevice->diskLabel().isNull()) {
                    // Read the volume label in via volname, since udev couldn't be bothered to do this on its own
                    FILE *exepipe = popen(((TQString("volname %1").arg(devicenode).ascii())), "r");
                    if (exepipe) {
                        char buffer[8092];
                        disklabel = fgets(buffer, sizeof(buffer), exepipe);
                        pclose(exepipe);
                    }
                }
            }

            sdevice->internalSetDiskLabel(disklabel);
        }
    }

    if (device->type() == TDEGenericDeviceType::Network) {
        // Network devices don't have devices nodes per se, but we can at least return the Linux network name...
        TQString potentialdevicenode = systempath;
        if (potentialdevicenode.endsWith("/")) potentialdevicenode.truncate(potentialdevicenode.length()-1);
        potentialdevicenode.remove(0, potentialdevicenode.findRev("/")+1);
        TQString potentialparentnode = systempath;
        if (potentialparentnode.endsWith("/")) potentialparentnode.truncate(potentialparentnode.length()-1);
        potentialparentnode.remove(0, potentialparentnode.findRev("/", potentialparentnode.findRev("/")-1)+1);
        if (potentialparentnode.startsWith("net/")) {
            devicenode = potentialdevicenode;
        }

        if (devicenode.isNull()) {
            // Platform device, not a physical device
            // HACK
            // This only works because devices of type Platform only access the TDEGenericDevice class!
            device->m_deviceType = TDEGenericDeviceType::Platform;
        }
        else {
            // Gather network device information
            TDENetworkDevice* ndevice = dynamic_cast<TDENetworkDevice*>(device);
            TQString valuesnodename = systempath + "/";
            TQDir valuesdir(valuesnodename);
            valuesdir.setFilter(TQDir::All);
            TQString nodename;
            const TQFileInfoList *dirlist = valuesdir.entryInfoList();
            if (dirlist) {
                TQFileInfoListIterator valuesdirit(*dirlist);
                TQFileInfo *dirfi;
                while ( (dirfi = valuesdirit.current()) != 0 ) {
                    nodename = dirfi->fileName();
                    TQFile file( valuesnodename + nodename );
                    if ( file.open( IO_ReadOnly ) ) {
                        TQTextStream stream( &file );
                        TQString line;
                        line = stream.readLine();
                        if (nodename == "address") {
                            ndevice->internalSetMacAddress(line);
                        }
                        else if (nodename == "carrier") {
                            ndevice->internalSetCarrierPresent(line.toInt());
                        }
                        else if (nodename == "dormant") {
                            ndevice->internalSetDormant(line.toInt());
                        }
                        else if (nodename == "operstate") {
                            TQString friendlyState = line.lower();
                            friendlyState[0] = friendlyState[0].upper();
                            ndevice->internalSetState(friendlyState);
                        }
                        file.close();
                    }
                    ++valuesdirit;
                }
            }
            // Gather connection information such as IP addresses
            if ((ndevice->state().upper() == "UP")
                || (ndevice->state().upper() == "UNKNOWN")) {
                struct ifaddrs *ifaddr, *ifa;
                int family, s;
                char host[NI_MAXHOST];

                if (getifaddrs(&ifaddr) != -1) {
                    for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) {
                        if (ifa->ifa_addr == NULL) {
                            continue;
                        }

                        family = ifa->ifa_addr->sa_family;

                        if (TQString(ifa->ifa_name) == devicenode) {
                            if ((family == AF_INET) || (family == AF_INET6)) {
                                s = getnameinfo(ifa->ifa_addr, (family == AF_INET) ? sizeof(struct sockaddr_in) : sizeof(struct sockaddr_in6), host, NI_MAXHOST, NULL, 0, NI_NUMERICHOST);
                                if (s == 0) {
                                    TQString address(host);
                                    if (family == AF_INET) {
                                        ndevice->internalSetIpV4Address(address);
                                    }
                                    else if (family == AF_INET6) {
                                        address.truncate(address.findRev("%"));
                                        ndevice->internalSetIpV6Address(address);
                                    }
                                }
                                s = getnameinfo(ifa->ifa_netmask, (family == AF_INET) ? sizeof(struct sockaddr_in) : sizeof(struct sockaddr_in6), host, NI_MAXHOST, NULL, 0, NI_NUMERICHOST);
                                if (s == 0) {
                                    TQString address(host);
                                    if (family == AF_INET) {
                                        ndevice->internalSetIpV4Netmask(address);
                                    }
                                    else if (family == AF_INET6) {
                                        address.truncate(address.findRev("%"));
                                        ndevice->internalSetIpV6Netmask(address);
                                    }
                                }
                                s = getnameinfo(ifa->ifa_ifu.ifu_broadaddr, (family == AF_INET) ? sizeof(struct sockaddr_in) : sizeof(struct sockaddr_in6), host, NI_MAXHOST, NULL, 0, NI_NUMERICHOST);
                                if (s == 0) {
                                    TQString address(host);
                                    if (family == AF_INET) {
                                        ndevice->internalSetIpV4Broadcast(address);
                                    }
                                    else if (family == AF_INET6) {
                                        address.truncate(address.findRev("%"));
                                        ndevice->internalSetIpV6Broadcast(address);
                                    }
                                }
                                s = getnameinfo(ifa->ifa_ifu.ifu_dstaddr, (family == AF_INET) ? sizeof(struct sockaddr_in) : sizeof(struct sockaddr_in6), host, NI_MAXHOST, NULL, 0, NI_NUMERICHOST);
                                if (s == 0) {
                                    TQString address(host);
                                    if (family == AF_INET) {
                                        ndevice->internalSetIpV4Destination(address);
                                    }
                                    else if (family == AF_INET6) {
                                        address.truncate(address.findRev("%"));
                                        ndevice->internalSetIpV6Destination(address);
                                    }
                                }
                            }
                        }
                    }
                }

                freeifaddrs(ifaddr);

                // Gather statistics
                TQString valuesnodename = systempath + "/statistics/";
                TQDir valuesdir(valuesnodename);
                valuesdir.setFilter(TQDir::All);
                TQString nodename;
                const TQFileInfoList *dirlist = valuesdir.entryInfoList();
                if (dirlist) {
                    TQFileInfoListIterator valuesdirit(*dirlist);
                    TQFileInfo *dirfi;
                    while ( (dirfi = valuesdirit.current()) != 0 ) {
                        nodename = dirfi->fileName();
                        TQFile file( valuesnodename + nodename );
                        if ( file.open( IO_ReadOnly ) ) {
                            TQTextStream stream( &file );
                            TQString line;
                            line = stream.readLine();
                            if (nodename == "rx_bytes") {
                                ndevice->internalSetRxBytes(line.toDouble());
                            }
                            else if (nodename == "tx_bytes") {
                                ndevice->internalSetTxBytes(line.toDouble());
                            }
                            else if (nodename == "rx_packets") {
                                ndevice->internalSetRxPackets(line.toDouble());
                            }
                            else if (nodename == "tx_packets") {
                                ndevice->internalSetTxPackets(line.toDouble());
                            }
                            file.close();
                        }
                        ++valuesdirit;
                    }
                }
            }
        }
    }

    if ((device->type() == TDEGenericDeviceType::OtherSensor) || (device->type() == TDEGenericDeviceType::ThermalSensor)) {
        // Populate all sensor values
        TDESensorClusterMap sensors;
        TQString valuesnodename = systempath + "/";
        TQDir valuesdir(valuesnodename);
        valuesdir.setFilter(TQDir::All);
        TQString nodename;
        const TQFileInfoList *dirlist = valuesdir.entryInfoList();
        if (dirlist) {
            TQFileInfoListIterator valuesdirit(*dirlist);
            TQFileInfo *dirfi;
            while ( (dirfi = valuesdirit.current()) != 0 ) {
                nodename = dirfi->fileName();
                if (nodename.contains("_")) {
                    TQFile file( valuesnodename + nodename );
                    if ( file.open( IO_ReadOnly ) ) {
                        TQTextStream stream( &file );
                        TQString line;
                        line = stream.readLine();
                        TQStringList sensornodelist = TQStringList::split("_", nodename);
                        TQString sensornodename = *(sensornodelist.at(0));
                        TQString sensornodetype = *(sensornodelist.at(1));
                        double lineValue = line.toDouble();
                        if (!sensornodename.contains("fan")) {
                            lineValue = lineValue / 1000.0;
                        }
                        if (sensornodetype == "label") {
                            sensors[sensornodename].label = line;
                        }
                        else if (sensornodetype == "input") {
                            sensors[sensornodename].current = lineValue;
                        }
                        else if (sensornodetype == "min") {
                            sensors[sensornodename].minimum = lineValue;
                        }
                        else if (sensornodetype == "max") {
                            sensors[sensornodename].maximum = lineValue;
                        }
                        else if (sensornodetype == "warn") {
                            sensors[sensornodename].warning = lineValue;
                        }
                        else if (sensornodetype == "crit") {
                            sensors[sensornodename].critical = lineValue;
                        }
                        file.close();
                    }
                }
                ++valuesdirit;
            }
        }

        TDESensorDevice* sdevice = dynamic_cast<TDESensorDevice*>(device);
        sdevice->internalSetValues(sensors);
    }

    if (device->type() == TDEGenericDeviceType::Battery) {
        // Populate all battery values
        TDEBatteryDevice* bdevice = dynamic_cast<TDEBatteryDevice*>(device);
        TQString valuesnodename = systempath + "/";
        TQDir valuesdir(valuesnodename);
        valuesdir.setFilter(TQDir::All);
        TQString nodename;
        double bdevice_capacity = 0;
        int bdevice_time_to_empty = 0;
        int bdevice_time_to_full = 0;
        bool bdevice_has_energy = false;
        bool bdevice_has_time_to_empty = false;
        bool bdevice_has_time_to_full = false;
        const TQFileInfoList *dirlist = valuesdir.entryInfoList();
        if (dirlist) {
            TQFileInfoListIterator valuesdirit(*dirlist);
            TQFileInfo *dirfi;
            while ( (dirfi = valuesdirit.current()) != 0 ) {
                nodename = dirfi->fileName();
                TQFile file( valuesnodename + nodename );
                if ( file.open( IO_ReadOnly ) ) {
                    TQTextStream stream( &file );
                    TQString line;
                    line = stream.readLine();
                    if (nodename == "alarm") {
                        bdevice->internalSetAlarmEnergy(line.toDouble()/1000000.0);
                    }
                    else if (nodename == "capacity") {
                        bdevice_capacity = line.toDouble();
                    }
                    else if (nodename == "charge_full" || nodename == "energy_full") {
                        bdevice->internalSetMaximumEnergy(line.toDouble()/1000000.0);
                    }
                    else if (nodename == "charge_full_design" || nodename == "energy_full_design") {
                        bdevice->internalSetMaximumDesignEnergy(line.toDouble()/1000000.0);
                    }
                    else if (nodename == "charge_now" || nodename == "energy_now") {
                        bdevice->internalSetEnergy(line.toDouble()/1000000.0);
                        bdevice_has_energy = true;
                    }
                    else if (nodename == "manufacturer") {
                        bdevice->internalSetVendorName(line.stripWhiteSpace());
                    }
                    else if (nodename == "model_name") {
                        bdevice->internalSetVendorModel(line.stripWhiteSpace());
                    }
                    else if (nodename == "power_now" || nodename == "current_now") {
                        bdevice->internalSetDischargeRate(line.toDouble()/1000000.0);
                    }
                    else if (nodename == "present") {
                        bdevice->internalSetInstalled(line.toInt());
                    }
                    else if (nodename == "serial_number") {
                        bdevice->internalSetSerialNumber(line.stripWhiteSpace());
                    }
                    else if (nodename == "status") {
                        bdevice->internalSetStatus(line);
                    }
                    else if (nodename == "technology") {
                        bdevice->internalSetTechnology(line);
                    }
                    else if (nodename == "time_to_empty_now") {
                        // Convert from minutes to seconds
                        bdevice_time_to_empty = line.toDouble()*60;
                        bdevice_has_time_to_empty = true;
                    }
                    else if (nodename == "time_to_full_now") {
                        // Convert from minutes to seconds
                        bdevice_time_to_full = line.toDouble()*60;
                        bdevice_has_time_to_full = true;
                    }
                    else if (nodename == "voltage_min_design") {
                        bdevice->internalSetMinimumVoltage(line.toDouble()/1000000.0);
                    }
                    else if (nodename == "voltage_now") {
                        bdevice->internalSetVoltage(line.toDouble()/1000000.0);
                    }
                    file.close();
                }
                ++valuesdirit;
            }
        }

        // Calculate current energy if missing
        if (!bdevice_has_energy) {
            bdevice->internalSetEnergy(bdevice_capacity*bdevice->maximumEnergy()/100);
        }

        // Calculate time remaining
        // Discharge/charge rate is in amper
        // Energy is in amper-hours
        // Therefore, energy/rate = time in hours
        // Convert to seconds...
        if (bdevice->status() == TDEBatteryStatus::Charging) {
            if (!bdevice_has_time_to_full && bdevice->dischargeRate() > 0) {
                bdevice->internalSetTimeRemaining(((bdevice->maximumEnergy()-bdevice->energy())/bdevice->dischargeRate())*60*60);
            }
            else {
                bdevice->internalSetTimeRemaining(bdevice_time_to_full);
            }
        }
        else {
            if (!bdevice_has_time_to_empty && bdevice->dischargeRate() > 0) {
                bdevice->internalSetTimeRemaining((bdevice->energy()/bdevice->dischargeRate())*60*60);
            }
            else {
                bdevice->internalSetTimeRemaining(bdevice_time_to_empty);
            }
        }
    }

    if (device->type() == TDEGenericDeviceType::PowerSupply) {
        // Populate all power supply values
        TDEMainsPowerDevice* pdevice = dynamic_cast<TDEMainsPowerDevice*>(device);
        TQString valuesnodename = systempath + "/";
        TQDir valuesdir(valuesnodename);
        valuesdir.setFilter(TQDir::All);
        TQString nodename;
        const TQFileInfoList *dirlist = valuesdir.entryInfoList();
        if (dirlist) {
            TQFileInfoListIterator valuesdirit(*dirlist);
            TQFileInfo *dirfi;
            while ( (dirfi = valuesdirit.current()) != 0 ) {
                nodename = dirfi->fileName();
                TQFile file( valuesnodename + nodename );
                if ( file.open( IO_ReadOnly ) ) {
                    TQTextStream stream( &file );
                    TQString line;
                    line = stream.readLine();
                    if (nodename == "manufacturer") {
                        pdevice->internalSetVendorName(line.stripWhiteSpace());
                    }
                    else if (nodename == "model_name") {
                        pdevice->internalSetVendorModel(line.stripWhiteSpace());
                    }
                    else if (nodename == "online") {
                        pdevice->internalSetOnline(line.toInt());
                    }
                    else if (nodename == "serial_number") {
                        pdevice->internalSetSerialNumber(line.stripWhiteSpace());
                    }
                    file.close();
                }
                ++valuesdirit;
            }
        }
    }

    if (device->type() == TDEGenericDeviceType::Backlight) {
        // Populate all backlight values
        TDEBacklightDevice* bdevice = dynamic_cast<TDEBacklightDevice*>(device);
        TQString valuesnodename = systempath + "/";
        TQDir valuesdir(valuesnodename);
        valuesdir.setFilter(TQDir::All);
        TQString nodename;
        const TQFileInfoList *dirlist = valuesdir.entryInfoList();
        if (dirlist) {
            TQFileInfoListIterator valuesdirit(*dirlist);
            TQFileInfo *dirfi;
            while ( (dirfi = valuesdirit.current()) != 0 ) {
                nodename = dirfi->fileName();
                TQFile file( valuesnodename + nodename );
                if ( file.open( IO_ReadOnly ) ) {
                    TQTextStream stream( &file );
                    TQString line;
                    line = stream.readLine();
                    if (nodename == "bl_power") {
                        TDEDisplayPowerLevel::TDEDisplayPowerLevel pl = TDEDisplayPowerLevel::On;
                        int rpl = line.toInt();
                        if (rpl == FB_BLANK_UNBLANK) {
                            pl = TDEDisplayPowerLevel::On;
                        }
                        else if (rpl == FB_BLANK_POWERDOWN) {
                            pl = TDEDisplayPowerLevel::Off;
                        }
                        bdevice->internalSetPowerLevel(pl);
                    }
                    else if (nodename == "max_brightness") {
                        bdevice->internalSetMaximumRawBrightness(line.toInt());
                    }
                    else if (nodename == "actual_brightness") {
                        bdevice->internalSetCurrentRawBrightness(line.toInt());
                    }
                    file.close();
                }
                ++valuesdirit;
            }
        }
    }

    if (device->type() == TDEGenericDeviceType::Monitor) {
        TDEMonitorDevice* mdevice = dynamic_cast<TDEMonitorDevice*>(device);
        TQString valuesnodename = systempath + "/";
        TQDir valuesdir(valuesnodename);
        valuesdir.setFilter(TQDir::All);
        TQString nodename;
        const TQFileInfoList *dirlist = valuesdir.entryInfoList();
        if (dirlist) {
            TQFileInfoListIterator valuesdirit(*dirlist);
            TQFileInfo *dirfi;
            while ( (dirfi = valuesdirit.current()) != 0 ) {
                nodename = dirfi->fileName();
                TQFile file( valuesnodename + nodename );
                if ( file.open( IO_ReadOnly ) ) {
                    TQTextStream stream( &file );
                    TQString line;
                    line = stream.readLine();
                    if (nodename == "status") {
                        mdevice->internalSetConnected(line.lower() == "connected");
                    }
                    else if (nodename == "enabled") {
                        mdevice->internalSetEnabled(line.lower() == "enabled");
                    }
                    else if (nodename == "modes") {
                        TQStringList resinfo;
                        TQStringList resolutionsStringList = line.upper();
                        while ((!stream.atEnd()) && (!line.isNull())) {
                            line = stream.readLine();
                            if (!line.isNull()) {
                                resolutionsStringList.append(line.upper());
                            }
                        }
                        TDEResolutionList resolutions;
                        resolutions.clear();
                        for (TQStringList::Iterator it = resolutionsStringList.begin(); it != resolutionsStringList.end(); ++it) {
                            resinfo = TQStringList::split('X', *it, true);
                            resolutions.append(TDEResolutionPair((*(resinfo.at(0))).toUInt(), (*(resinfo.at(1))).toUInt()));
                        }
                        mdevice->internalSetResolutions(resolutions);
                    }
                    else if (nodename == "dpms") {
                        TDEDisplayPowerLevel::TDEDisplayPowerLevel pl = TDEDisplayPowerLevel::On;
                        if (line == "On") {
                            pl = TDEDisplayPowerLevel::On;
                        }
                        else if (line == "Standby") {
                            pl = TDEDisplayPowerLevel::Standby;
                        }
                        else if (line == "Suspend") {
                            pl = TDEDisplayPowerLevel::Suspend;
                        }
                        else if (line == "Off") {
                            pl = TDEDisplayPowerLevel::Off;
                        }
                        mdevice->internalSetPowerLevel(pl);
                    }
                    file.close();
                }
                ++valuesdirit;
            }
        }

        TQString genericPortName = mdevice->systemPath();
        genericPortName.remove(0, genericPortName.find("-")+1);
        genericPortName.truncate(genericPortName.findRev("-"));
        mdevice->internalSetPortType(genericPortName);

        if (mdevice->connected()) {
            TQPair<TQString,TQString> monitor_info = getEDIDMonitorName(device->systemPath());
            if (!monitor_info.first.isNull()) {
                mdevice->internalSetVendorName(monitor_info.first);
                mdevice->internalSetVendorModel(monitor_info.second);
                mdevice->m_friendlyName = monitor_info.first + " " + monitor_info.second;
            }
            else {
                mdevice->m_friendlyName = i18n("Generic %1 Device").arg(genericPortName);
            }
            mdevice->internalSetEdid(getEDID(mdevice->systemPath()));
        }
        else {
            mdevice->m_friendlyName = i18n("Disconnected %1 Port").arg(genericPortName);
            mdevice->internalSetEdid(TQByteArray());
            mdevice->internalSetResolutions(TDEResolutionList());
        }

        // FIXME
        // Much of the code in libtderandr should be integrated into/interfaced with this library
    }

    if (device->type() == TDEGenericDeviceType::RootSystem) {
        // Try to obtain as much generic information about this system as possible
        TDERootSystemDevice* rdevice = dynamic_cast<TDERootSystemDevice*>(device);

        // Guess at my form factor
        // dmidecode would tell me this, but is somewhat unreliable
        TDESystemFormFactor::TDESystemFormFactor formfactor = TDESystemFormFactor::Desktop;
        if (listByDeviceClass(TDEGenericDeviceType::Backlight).count() > 0) {   // Is this really a good way to determine if a machine is a laptop?
            formfactor = TDESystemFormFactor::Laptop;
        }
        rdevice->internalSetFormFactor(formfactor);

        TQString valuesnodename = "/sys/power/";
        TQDir valuesdir(valuesnodename);
        valuesdir.setFilter(TQDir::All);
        TQString nodename;
        const TQFileInfoList *dirlist = valuesdir.entryInfoList();
        if (dirlist) {
            TQFileInfoListIterator valuesdirit(*dirlist);
            TQFileInfo *dirfi;
            TDESystemPowerStateList powerstates;
            TDESystemHibernationMethodList hibernationmethods;
            TDESystemHibernationMethod::TDESystemHibernationMethod hibernationmethod = 
                                                                                TDESystemHibernationMethod::Unsupported;
            while ( (dirfi = valuesdirit.current()) != 0 ) {
                nodename = dirfi->fileName();
                TQFile file( valuesnodename + nodename );
                if ( file.open( IO_ReadOnly ) ) {
                    TQTextStream stream( &file );
                    TQString line;
                    line = stream.readLine();
                    if (nodename == "state") {
                        // Always assume that these two fully on/fully off states are available
                        powerstates.append(TDESystemPowerState::Active);
                        powerstates.append(TDESystemPowerState::PowerOff);
                        if (line.contains("standby")) {
                            powerstates.append(TDESystemPowerState::Standby);
                        }
                        if (line.contains("freeze")) {
                            powerstates.append(TDESystemPowerState::Freeze);
                        }
                        if (line.contains("mem")) {
                            powerstates.append(TDESystemPowerState::Suspend);
                        }
                        if (line.contains("disk")) {
                            powerstates.append(TDESystemPowerState::Disk);
                        }
                    }
                    if (nodename == "disk") {
                        // Get list of available hibernation methods
                        if (line.contains("platform")) {
                            hibernationmethods.append(TDESystemHibernationMethod::Platform);
                        }
                        if (line.contains("shutdown")) {
                            hibernationmethods.append(TDESystemHibernationMethod::Shutdown);
                        }
                        if (line.contains("reboot")) {
                            hibernationmethods.append(TDESystemHibernationMethod::Reboot);
                        }
                        if (line.contains("suspend")) {
                            hibernationmethods.append(TDESystemHibernationMethod::Suspend);
                        }
                        if (line.contains("testproc")) {
                            hibernationmethods.append(TDESystemHibernationMethod::TestProc);
                        }
                        if (line.contains("test")) {
                            hibernationmethods.append(TDESystemHibernationMethod::Test);
                        }

                        // Get current hibernation method
                        line.truncate(line.findRev("]"));
                        line.remove(0, line.findRev("[")+1);
                        if (line.contains("platform")) {
                            hibernationmethod = TDESystemHibernationMethod::Platform;
                        }
                        if (line.contains("shutdown")) {
                            hibernationmethod = TDESystemHibernationMethod::Shutdown;
                        }
                        if (line.contains("reboot")) {
                            hibernationmethod = TDESystemHibernationMethod::Reboot;
                        }
                        if (line.contains("suspend")) {
                            hibernationmethod = TDESystemHibernationMethod::Suspend;
                        }
                        if (line.contains("testproc")) {
                            hibernationmethod = TDESystemHibernationMethod::TestProc;
                        }
                        if (line.contains("test")) {
                            hibernationmethod = TDESystemHibernationMethod::Test;
                        }
                    }
                    if (nodename == "image_size") {
                        rdevice->internalSetDiskSpaceNeededForHibernation(line.toULong());
                    }
                    file.close();
                }
                ++valuesdirit;
            }
            // Hibernation and Hybrid Suspend are not real power states, being just two different
            // ways of suspending to disk. Since they are very common and it is very convenient to
            // treat them as power states, we do so, as other power frameworks also do.
            if (powerstates.contains(TDESystemPowerState::Disk) && 
                hibernationmethods.contains(TDESystemHibernationMethod::Platform)) {
                powerstates.append(TDESystemPowerState::Hibernate);
            }
            if (powerstates.contains(TDESystemPowerState::Disk) && 
                hibernationmethods.contains(TDESystemHibernationMethod::Suspend)) {
                powerstates.append(TDESystemPowerState::HybridSuspend);
            }
            powerstates.remove(TDESystemPowerState::Disk);
            // Set power states and hibernation methods
            rdevice->internalSetPowerStates(powerstates);
            rdevice->internalSetHibernationMethods(hibernationmethods);
            rdevice->internalSetHibernationMethod(hibernationmethod);
        }
    }

    // NOTE
    // Keep these two handlers (Event and Input) in sync!

    if (device->type() == TDEGenericDeviceType::Event) {
        // Try to obtain as much type information about this event device as possible
        TDEEventDevice* edevice = dynamic_cast<TDEEventDevice*>(device);
        if (edevice->systemPath().contains("PNP0C0D")) {
            edevice->internalSetEventType(TDEEventDeviceType::ACPILidSwitch);
        }
        else if (edevice->systemPath().contains("PNP0C0E") || edevice->systemPath().contains("/LNXSLPBN")) {
            edevice->internalSetEventType(TDEEventDeviceType::ACPISleepButton);
        }
        else if (edevice->systemPath().contains("PNP0C0C") || edevice->systemPath().contains("/LNXPWRBN")) {
            edevice->internalSetEventType(TDEEventDeviceType::ACPIPowerButton);
        }
        else if (edevice->systemPath().contains("_acpi")) {
            edevice->internalSetEventType(TDEEventDeviceType::ACPIOtherInput);
        }
        else {
            edevice->internalSetEventType(TDEEventDeviceType::Unknown);
        }
    }

    if (device->type() == TDEGenericDeviceType::Input) {
        // Try to obtain as much type information about this input device as possible
        TDEInputDevice* idevice = dynamic_cast<TDEInputDevice*>(device);
        if (idevice->systemPath().contains("PNP0C0D")) {
            idevice->internalSetInputType(TDEInputDeviceType::ACPILidSwitch);
        }
        else if (idevice->systemPath().contains("PNP0C0E") || idevice->systemPath().contains("/LNXSLPBN")) {
            idevice->internalSetInputType(TDEInputDeviceType::ACPISleepButton);
        }
        else if (idevice->systemPath().contains("PNP0C0C") || idevice->systemPath().contains("/LNXPWRBN")) {
            idevice->internalSetInputType(TDEInputDeviceType::ACPIPowerButton);
        }
        else if (idevice->systemPath().contains("_acpi")) {
            idevice->internalSetInputType(TDEInputDeviceType::ACPIOtherInput);
        }
        else {
            idevice->internalSetInputType(TDEInputDeviceType::Unknown);
        }
    }

    if (device->type() == TDEGenericDeviceType::Event) {
        // Try to obtain as much specific information about this event device as possible
        TDEEventDevice* edevice = dynamic_cast<TDEEventDevice*>(device);

        // Try to open input event device
        if (edevice->m_fd < 0 && access (edevice->deviceNode().ascii(), R_OK) == 0) {
            edevice->m_fd = open(edevice->deviceNode().ascii(), O_RDONLY);
        }

        // Start monitoring of input event device
        edevice->internalStartMonitoring(this);
    }

    // Root devices are still special
    if ((device->type() == TDEGenericDeviceType::Root) || (device->type() == TDEGenericDeviceType::RootSystem)) {
        systempath = device->systemPath();
    }

    // Set basic device information again, as some information may have changed
    device->internalSetName(devicename);
    device->internalSetDeviceNode(devicenode);
    device->internalSetSystemPath(systempath);
    device->internalSetVendorID(devicevendorid);
    device->internalSetModelID(devicemodelid);
    device->internalSetVendorEncoded(devicevendoridenc);
    device->internalSetModelEncoded(devicemodelidenc);
    device->internalSetSubVendorID(devicesubvendorid);
    device->internalSetSubModelID(devicesubmodelid);
    device->internalSetDeviceDriver(devicedriver);
    device->internalSetSubsystem(devicesubsystem);
    device->internalSetPCIClass(devicepciclass);

    // Internal use only!
    device->m_udevtype = devicetype;
    device->m_udevdevicetypestring = devicetypestring;
    device->udevdevicetypestring_alt = devicetypestring_alt;

    if (temp_udev_device) {
        udev_device_unref(dev);
    }
}

void TDEHardwareDevices::updateBlacklists(TDEGenericDevice* hwdevice, udev_device* dev) {
    // HACK
    // I am lucky enough to have a Flash drive that spams udev continually with device change events
    // I imagine I am not the only one, so here is a section in which specific devices can be blacklisted!

    // For "U3 System" fake CD
    if ((hwdevice->vendorID() == "08ec") && (hwdevice->modelID() == "0020") && (TQString(udev_device_get_property_value(dev, "ID_TYPE")) == "cd")) {
        hwdevice->internalSetBlacklistedForUpdate(true);
    }
}

bool TDEHardwareDevices::queryHardwareInformation() {
    if (!m_udevStruct) {
        return false;
    }

    // Prepare the device list for repopulation
    m_deviceList.clear();
    addCoreSystemDevices();

    struct udev_enumerate *enumerate;
    struct udev_list_entry *devices, *dev_list_entry;
    struct udev_device *dev;

    // Create a list of all devices
    enumerate = udev_enumerate_new(m_udevStruct);
    udev_enumerate_add_match_subsystem(enumerate, NULL);
    udev_enumerate_scan_devices(enumerate);
    devices = udev_enumerate_get_list_entry(enumerate);
    // Get detailed information on each detected device
    udev_list_entry_foreach(dev_list_entry, devices) {
        const char *path;

        // Get the filename of the /sys entry for the device and create a udev_device object (dev) representing it
        path = udev_list_entry_get_name(dev_list_entry);
        dev = udev_device_new_from_syspath(m_udevStruct, path);

        TDEGenericDevice* device = classifyUnknownDevice(dev);

        // Make sure this device is not a duplicate
        TDEGenericDevice *hwdevice;
        for (hwdevice = m_deviceList.first(); hwdevice; hwdevice = m_deviceList.next()) {
            if (hwdevice->systemPath() == device->systemPath()) {
                delete device;
                device = 0;
                break;
            }
        }

        if (device) {
            m_deviceList.append(device);
        }

        udev_device_unref(dev);
    }

    // Free the enumerator object
    udev_enumerate_unref(enumerate);

    // Update parent/child tables for all devices
    updateParentDeviceInformation();

    emit hardwareEvent(TDEHardwareEvent::HardwareListModified, TQString());

    return true;
}

void TDEHardwareDevices::updateParentDeviceInformation(TDEGenericDevice* hwdevice) {
    // Scan for the first path up the sysfs tree that is available in the main hardware table
    bool done = false;
    TQString current_path = hwdevice->systemPath();
    TDEGenericDevice* parentdevice = 0;

    if (current_path.endsWith("/")) {
        current_path.truncate(current_path.findRev("/"));
    }
    while (done == false) {
        current_path.truncate(current_path.findRev("/"));
        if (current_path.startsWith("/sys/devices")) {
            if (current_path.endsWith("/")) {
                current_path.truncate(current_path.findRev("/"));
            }
            parentdevice = findBySystemPath(current_path);
            if (parentdevice) {
                done = true;
            }
        }
        else {
            // Abort!
            done = true;
        }
    }

    hwdevice->internalSetParentDevice(parentdevice);
}

void TDEHardwareDevices::updateParentDeviceInformation() {
    TDEGenericDevice *hwdevice;

    // We can't use m_deviceList directly as m_deviceList can only have one iterator active against it at any given time
    TDEGenericHardwareList devList = listAllPhysicalDevices();
    for ( hwdevice = devList.first(); hwdevice; hwdevice = devList.next() ) {
        updateParentDeviceInformation(hwdevice);
    }
}

void TDEHardwareDevices::addCoreSystemDevices() {
    TDEGenericDevice *hwdevice;

    // Add the Main Root System Device, which provides all other devices
    hwdevice = new TDERootSystemDevice(TDEGenericDeviceType::RootSystem);
    hwdevice->internalSetSystemPath("/sys/devices");
    m_deviceList.append(hwdevice);
    rescanDeviceInformation(hwdevice);

    // Add core top-level devices in /sys/devices to the hardware listing
    TQStringList holdingDeviceNodes;
    TQString devicesnodename = "/sys/devices";
    TQDir devicesdir(devicesnodename);
    devicesdir.setFilter(TQDir::All);
    TQString nodename;
    const TQFileInfoList *dirlist = devicesdir.entryInfoList();
    if (dirlist) {
        TQFileInfoListIterator devicesdirit(*dirlist);
        TQFileInfo *dirfi;
        while ( (dirfi = devicesdirit.current()) != 0 ) {
            nodename = dirfi->fileName();
            if (nodename != "." && nodename != "..") {
                hwdevice = new TDEGenericDevice(TDEGenericDeviceType::Root);
                hwdevice->internalSetSystemPath(dirfi->absFilePath());
                m_deviceList.append(hwdevice);
            }
            ++devicesdirit;
        }
    }

    // Handle CPUs, which are currently handled terribly by udev
    // Parse /proc/cpuinfo to extract some information about the CPUs
    hwdevice = 0;
    TQDir d("/sys/devices/system/cpu/");
    d.setFilter( TQDir::Dirs );
    const TQFileInfoList *list = d.entryInfoList();
    if (list) {
        TQFileInfoListIterator it( *list );
        TQFileInfo *fi;
        while ((fi = it.current()) != 0) {
            TQString directoryName = fi->fileName();
            if (directoryName.startsWith("cpu")) {
                directoryName = directoryName.remove(0,3);
                bool isInt;
                int processorNumber = directoryName.toUInt(&isInt, 10);
                if (isInt) {
                    hwdevice = new TDECPUDevice(TDEGenericDeviceType::CPU);
                    hwdevice->internalSetSystemPath(TQString("/sys/devices/system/cpu/cpu%1").arg(processorNumber));
                    m_deviceList.append(hwdevice);
                }
            }
            ++it;
        }
    }

    // Populate CPU information
    processModifiedCPUs();
}

TQString TDEHardwareDevices::findPCIDeviceName(TQString vendorid, TQString modelid, TQString subvendorid, TQString submodelid) {
    TQString vendorName = TQString::null;
    TQString modelName = TQString::null;
    TQString friendlyName = TQString::null;

    if (!pci_id_map) {
        pci_id_map = new TDEDeviceIDMap;

        TQString database_filename = "/usr/share/pci.ids";
        if (!TQFile::exists(database_filename)) {
            database_filename = "/usr/share/misc/pci.ids";
        }
        if (!TQFile::exists(database_filename)) {
            printf("[tdehardwaredevices] Unable to locate PCI information database pci.ids\n"); fflush(stdout);
            return i18n("Unknown PCI Device");
        }

        TQFile database(database_filename);
        if (database.open(IO_ReadOnly)) {
            TQTextStream stream(&database);
            TQString line;
            TQString vendorID;
            TQString modelID;
            TQString subvendorID;
            TQString submodelID;
            TQString deviceMapKey;
            TQStringList devinfo;
            while (!stream.atEnd()) {
                line = stream.readLine();
                if ((!line.upper().startsWith("\t")) && (!line.upper().startsWith("#"))) {
                    line.replace("\t", "");
                    devinfo = TQStringList::split(' ', line, false);
                    vendorID = *(devinfo.at(0));
                    vendorName = line;
                    vendorName.remove(0, vendorName.find(" "));
                    vendorName = vendorName.stripWhiteSpace();
                    modelName = TQString::null;
                    deviceMapKey = vendorID.lower() + ":::";
                }
                else {
                    if ((line.upper().startsWith("\t")) && (!line.upper().startsWith("\t\t"))) {
                        line.replace("\t", "");
                        devinfo = TQStringList::split(' ', line, false);
                        modelID = *(devinfo.at(0));
                        modelName = line;
                        modelName.remove(0, modelName.find(" "));
                        modelName = modelName.stripWhiteSpace();
                        deviceMapKey = vendorID.lower() + ":" + modelID.lower() + "::";
                    }
                    else {
                        if (line.upper().startsWith("\t\t")) {
                            line.replace("\t", "");
                            devinfo = TQStringList::split(' ', line, false);
                            subvendorID = *(devinfo.at(0));
                            submodelID = *(devinfo.at(1));
                            modelName = line;
                            modelName.remove(0, modelName.find(" "));
                            modelName = modelName.stripWhiteSpace();
                            modelName.remove(0, modelName.find(" "));
                            modelName = modelName.stripWhiteSpace();
                            deviceMapKey = vendorID.lower() + ":" + modelID.lower() + ":" + subvendorID.lower() + ":" + submodelID.lower();
                        }
                    }
                }
                if (modelName.isNull()) {
                    pci_id_map->insert(deviceMapKey, "***UNKNOWN DEVICE*** " + vendorName, true);
                }
                else {
                    pci_id_map->insert(deviceMapKey, vendorName + " " + modelName, true);
                }
            }
            database.close();
        }
        else {
            printf("[tdehardwaredevices] Unable to open PCI information database %s\n", database_filename.ascii()); fflush(stdout);
        }
    }

    if (pci_id_map) {
        TQString deviceName;
        TQString deviceMapKey = vendorid.lower() + ":" + modelid.lower() + ":" + subvendorid.lower() + ":" + submodelid.lower();

        deviceName = (*pci_id_map)[deviceMapKey];
        if (deviceName.isNull() || deviceName.startsWith("***UNKNOWN DEVICE*** ")) {
            deviceMapKey = vendorid.lower() + ":" + modelid.lower() + ":" + subvendorid.lower() + ":";
            deviceName = (*pci_id_map)[deviceMapKey];
            if (deviceName.isNull() || deviceName.startsWith("***UNKNOWN DEVICE*** ")) {
                deviceMapKey = vendorid.lower() + ":" + modelid.lower() + "::";
                deviceName = (*pci_id_map)[deviceMapKey];
            }
        }

        if (deviceName.startsWith("***UNKNOWN DEVICE*** ")) {
            deviceName.replace("***UNKNOWN DEVICE*** ", "");
            deviceName.prepend(i18n("Unknown PCI Device") + " ");
            if (subvendorid.isNull()) {
                deviceName.append(TQString(" [%1:%2]").arg(vendorid.lower()).arg(modelid.lower()));
            }
            else {
                deviceName.append(TQString(" [%1:%2] [%3:%4]").arg(vendorid.lower()).arg(modelid.lower()).arg(subvendorid.lower()).arg(submodelid.lower()));
            }
        }

        return deviceName;
    }
    else {
        return i18n("Unknown PCI Device");
    }
}

TQString TDEHardwareDevices::findUSBDeviceName(TQString vendorid, TQString modelid, TQString subvendorid, TQString submodelid) {
    TQString vendorName = TQString::null;
    TQString modelName = TQString::null;
    TQString friendlyName = TQString::null;

    if (!usb_id_map) {
        usb_id_map = new TDEDeviceIDMap;

        TQString database_filename = "/usr/share/usb.ids";
        if (!TQFile::exists(database_filename)) {
            database_filename = "/usr/share/misc/usb.ids";
        }
        if (!TQFile::exists(database_filename)) {
            printf("[tdehardwaredevices] Unable to locate USB information database usb.ids\n"); fflush(stdout);
            return i18n("Unknown USB Device");
        }

        TQFile database(database_filename);
        if (database.open(IO_ReadOnly)) {
            TQTextStream stream(&database);
            TQString line;
            TQString vendorID;
            TQString modelID;
            TQString subvendorID;
            TQString submodelID;
            TQString deviceMapKey;
            TQStringList devinfo;
            while (!stream.atEnd()) {
                line = stream.readLine();
                if ((!line.upper().startsWith("\t")) && (!line.upper().startsWith("#"))) {
                    line.replace("\t", "");
                    devinfo = TQStringList::split(' ', line, false);
                    vendorID = *(devinfo.at(0));
                    vendorName = line;
                    vendorName.remove(0, vendorName.find(" "));
                    vendorName = vendorName.stripWhiteSpace();
                    modelName = TQString::null;
                    deviceMapKey = vendorID.lower() + ":::";
                }
                else {
                    if ((line.upper().startsWith("\t")) && (!line.upper().startsWith("\t\t"))) {
                        line.replace("\t", "");
                        devinfo = TQStringList::split(' ', line, false);
                        modelID = *(devinfo.at(0));
                        modelName = line;
                        modelName.remove(0, modelName.find(" "));
                        modelName = modelName.stripWhiteSpace();
                        deviceMapKey = vendorID.lower() + ":" + modelID.lower() + "::";
                    }
                    else {
                        if (line.upper().startsWith("\t\t")) {
                            line.replace("\t", "");
                            devinfo = TQStringList::split(' ', line, false);
                            subvendorID = *(devinfo.at(0));
                            submodelID = *(devinfo.at(1));
                            modelName = line;
                            modelName.remove(0, modelName.find(" "));
                            modelName = modelName.stripWhiteSpace();
                            modelName.remove(0, modelName.find(" "));
                            modelName = modelName.stripWhiteSpace();
                            deviceMapKey = vendorID.lower() + ":" + modelID.lower() + ":" + subvendorID.lower() + ":" + submodelID.lower();
                        }
                    }
                }
                if (modelName.isNull()) {
                    usb_id_map->insert(deviceMapKey, "***UNKNOWN DEVICE*** " + vendorName, true);
                }
                else {
                    usb_id_map->insert(deviceMapKey, vendorName + " " + modelName, true);
                }
            }
            database.close();
        }
        else {
            printf("[tdehardwaredevices] Unable to open USB information database %s\n", database_filename.ascii()); fflush(stdout);
        }
    }

    if (usb_id_map) {
        TQString deviceName;
        TQString deviceMapKey = vendorid.lower() + ":" + modelid.lower() + ":" + subvendorid.lower() + ":" + submodelid.lower();

        deviceName = (*usb_id_map)[deviceMapKey];
        if (deviceName.isNull() || deviceName.startsWith("***UNKNOWN DEVICE*** ")) {
            deviceMapKey = vendorid.lower() + ":" + modelid.lower() + ":" + subvendorid.lower() + ":";
            deviceName = (*usb_id_map)[deviceMapKey];
            if (deviceName.isNull() || deviceName.startsWith("***UNKNOWN DEVICE*** ")) {
                deviceMapKey = vendorid.lower() + ":" + modelid.lower() + "::";
                deviceName = (*usb_id_map)[deviceMapKey];
            }
        }

        if (deviceName.startsWith("***UNKNOWN DEVICE*** ")) {
            deviceName.replace("***UNKNOWN DEVICE*** ", "");
            deviceName.prepend(i18n("Unknown USB Device") + " ");
            if (subvendorid.isNull()) {
                deviceName.append(TQString(" [%1:%2]").arg(vendorid.lower()).arg(modelid.lower()));
            }
            else {
                deviceName.append(TQString(" [%1:%2] [%3:%4]").arg(vendorid.lower()).arg(modelid.lower()).arg(subvendorid.lower()).arg(submodelid.lower()));
            }
        }

        return deviceName;
    }
    else {
        return i18n("Unknown USB Device");
    }
}

TQString TDEHardwareDevices::findPNPDeviceName(TQString pnpid) {
    TQString friendlyName = TQString::null;

    if (!pnp_id_map) {
        pnp_id_map = new TDEDeviceIDMap;

        TQStringList hardware_info_directories(TDEGlobal::dirs()->resourceDirs("data"));
        TQString hardware_info_directory_suffix("tdehwlib/pnpdev/");
        TQString hardware_info_directory;
        TQString database_filename;

        for ( TQStringList::Iterator it = hardware_info_directories.begin(); it != hardware_info_directories.end(); ++it ) {
            hardware_info_directory = (*it);
            hardware_info_directory += hardware_info_directory_suffix;

            if (TDEGlobal::dirs()->exists(hardware_info_directory)) {
                database_filename = hardware_info_directory + "pnp.ids";
                if (TQFile::exists(database_filename)) {
                    break;
                }
            }
        }

        if (!TQFile::exists(database_filename)) {
            printf("[tdehardwaredevices] Unable to locate PNP information database pnp.ids\n"); fflush(stdout);
            return i18n("Unknown PNP Device");
        }

        TQFile database(database_filename);
        if (database.open(IO_ReadOnly)) {
            TQTextStream stream(&database);
            TQString line;
            TQString pnpID;
            TQString vendorName;
            TQString deviceMapKey;
            TQStringList devinfo;
            while (!stream.atEnd()) {
                line = stream.readLine();
                if ((!line.upper().startsWith("\t")) && (!line.upper().startsWith("#"))) {
                    devinfo = TQStringList::split('\t', line, false);
                    if (devinfo.count() > 1) {
                        pnpID = *(devinfo.at(0));
                        vendorName = *(devinfo.at(1));;
                        vendorName = vendorName.stripWhiteSpace();
                        deviceMapKey = pnpID.upper().stripWhiteSpace();
                        if (!deviceMapKey.isNull()) {
                            pnp_id_map->insert(deviceMapKey, vendorName, true);
                        }
                    }
                }
            }
            database.close();
        }
        else {
            printf("[tdehardwaredevices] Unable to open PNP information database %s\n", database_filename.ascii()); fflush(stdout);
        }
    }

    if (pnp_id_map) {
        TQString deviceName;

        deviceName = (*pnp_id_map)[pnpid];

        return deviceName;
    }
    else {
        return i18n("Unknown PNP Device");
    }
}

TQString TDEHardwareDevices::findMonitorManufacturerName(TQString dpyid) {
    TQString friendlyName = TQString::null;

    if (!dpy_id_map) {
        dpy_id_map = new TDEDeviceIDMap;

        TQStringList hardware_info_directories(TDEGlobal::dirs()->resourceDirs("data"));
        TQString hardware_info_directory_suffix("tdehwlib/pnpdev/");
        TQString hardware_info_directory;
        TQString database_filename;

        for ( TQStringList::Iterator it = hardware_info_directories.begin(); it != hardware_info_directories.end(); ++it ) {
            hardware_info_directory = (*it);
            hardware_info_directory += hardware_info_directory_suffix;

            if (TDEGlobal::dirs()->exists(hardware_info_directory)) {
                database_filename = hardware_info_directory + "dpy.ids";
                if (TQFile::exists(database_filename)) {
                    break;
                }
            }
        }

        if (!TQFile::exists(database_filename)) {
            printf("[tdehardwaredevices] Unable to locate monitor information database dpy.ids\n"); fflush(stdout);
            return i18n("Unknown Monitor Device");
        }

        TQFile database(database_filename);
        if (database.open(IO_ReadOnly)) {
            TQTextStream stream(&database);
            TQString line;
            TQString dpyID;
            TQString vendorName;
            TQString deviceMapKey;
            TQStringList devinfo;
            while (!stream.atEnd()) {
                line = stream.readLine();
                if ((!line.upper().startsWith("\t")) && (!line.upper().startsWith("#"))) {
                    devinfo = TQStringList::split('\t', line, false);
                    if (devinfo.count() > 1) {
                        dpyID = *(devinfo.at(0));
                        vendorName = *(devinfo.at(1));;
                        vendorName = vendorName.stripWhiteSpace();
                        deviceMapKey = dpyID.upper().stripWhiteSpace();
                        if (!deviceMapKey.isNull()) {
                            dpy_id_map->insert(deviceMapKey, vendorName, true);
                        }
                    }
                }
            }
            database.close();
        }
        else {
            printf("[tdehardwaredevices] Unable to open monitor information database %s\n", database_filename.ascii()); fflush(stdout);
        }
    }

    if (dpy_id_map) {
        TQString deviceName;

        deviceName = (*dpy_id_map)[dpyid];

        return deviceName;
    }
    else {
        return i18n("Unknown Monitor Device");
    }
}

TQPair<TQString,TQString> TDEHardwareDevices::getEDIDMonitorName(TQString path) {
    TQPair<TQString,TQString> edid;
    TQByteArray binaryedid = getEDID(path);
    if (binaryedid.isNull()) {
        return TQPair<TQString,TQString>(TQString::null, TQString::null);
    }

    // Get the manufacturer ID
    unsigned char letter_1 = ((binaryedid[8]>>2) & 0x1F) + 0x40;
    unsigned char letter_2 = (((binaryedid[8] & 0x03) << 3) | ((binaryedid[9]>>5) & 0x07)) + 0x40;
    unsigned char letter_3 = (binaryedid[9] & 0x1F) + 0x40;
    TQChar qletter_1 = TQChar(letter_1);
    TQChar qletter_2 = TQChar(letter_2);
    TQChar qletter_3 = TQChar(letter_3);
    TQString manufacturer_id = TQString("%1%2%3").arg(qletter_1).arg(qletter_2).arg(qletter_3);

    // Get the model ID
    unsigned int raw_model_id = (((binaryedid[10] << 8) | binaryedid[11]) << 16) & 0xFFFF0000;
    // Reverse the bit order
    unsigned int model_id = reverse_bits(raw_model_id);

    // Try to get the model name
    bool has_friendly_name = false;
    unsigned char descriptor_block[18];
    int i;
    for (i=72;i<90;i++) {
        descriptor_block[i-72] = binaryedid[i] & 0xFF;
    }
    if ((descriptor_block[0] != 0) || (descriptor_block[1] != 0) || (descriptor_block[3] != 0xFC)) {
        for (i=90;i<108;i++) {
            descriptor_block[i-90] = binaryedid[i] & 0xFF;
        }
        if ((descriptor_block[0] != 0) || (descriptor_block[1] != 0) || (descriptor_block[3] != 0xFC)) {
            for (i=108;i<126;i++) {
                descriptor_block[i-108] = binaryedid[i] & 0xFF;
            }
        }
    }

    TQString monitor_name;
    if ((descriptor_block[0] == 0) && (descriptor_block[1] == 0) && (descriptor_block[3] == 0xFC)) {
        char* pos = strchr((char *)(descriptor_block+5), '\n');
        if (pos) {
            *pos = 0;
            has_friendly_name = true;
            monitor_name = TQString((char *)(descriptor_block+5));
        }
        else {
            has_friendly_name = false;
        }
    }

    // Look up manufacturer name
    TQString manufacturer_name = findMonitorManufacturerName(manufacturer_id);
    if (manufacturer_name.isNull()) {
        manufacturer_name = manufacturer_id;
    }

    if (has_friendly_name) {
        edid.first = TQString("%1").arg(manufacturer_name);
        edid.second = TQString("%2").arg(monitor_name);
    }
    else {
        edid.first = TQString("%1").arg(manufacturer_name);
        edid.second = TQString("0x%2").arg(model_id, 0, 16);
    }

    return edid;
}

TQByteArray TDEHardwareDevices::getEDID(TQString path) {
    TQFile file(TQString("%1/edid").arg(path));
    if (!file.open (IO_ReadOnly)) {
        return TQByteArray();
    }
    TQByteArray binaryedid = file.readAll();
    file.close();
    return binaryedid;
}

TQString TDEHardwareDevices::getFriendlyDeviceTypeStringFromType(TDEGenericDeviceType::TDEGenericDeviceType query) {
    TQString ret = "Unknown Device";

    // Keep this in sync with the TDEGenericDeviceType definition in the header
    if (query == TDEGenericDeviceType::Root) {
        ret = i18n("Root");
    }
    else if (query == TDEGenericDeviceType::RootSystem) {
        ret = i18n("System Root");
    }
    else if (query == TDEGenericDeviceType::CPU) {
        ret = i18n("CPU");
    }
    else if (query == TDEGenericDeviceType::GPU) {
        ret = i18n("Graphics Processor");
    }
    else if (query == TDEGenericDeviceType::RAM) {
        ret = i18n("RAM");
    }
    else if (query == TDEGenericDeviceType::Bus) {
        ret = i18n("Bus");
    }
    else if (query == TDEGenericDeviceType::I2C) {
        ret = i18n("I2C Bus");
    }
    else if (query == TDEGenericDeviceType::MDIO) {
        ret = i18n("MDIO Bus");
    }
    else if (query == TDEGenericDeviceType::Mainboard) {
        ret = i18n("Mainboard");
    }
    else if (query == TDEGenericDeviceType::Disk) {
        ret = i18n("Disk");
    }
    else if (query == TDEGenericDeviceType::SCSI) {
        ret = i18n("SCSI");
    }
    else if (query == TDEGenericDeviceType::StorageController) {
        ret = i18n("Storage Controller");
    }
    else if (query == TDEGenericDeviceType::Mouse) {
        ret = i18n("Mouse");
    }
    else if (query == TDEGenericDeviceType::Keyboard) {
        ret = i18n("Keyboard");
    }
    else if (query == TDEGenericDeviceType::HID) {
        ret = i18n("HID");
    }
    else if (query == TDEGenericDeviceType::Modem) {
        ret = i18n("Modem");
    }
    else if (query == TDEGenericDeviceType::Monitor) {
        ret = i18n("Monitor and Display");
    }
    else if (query == TDEGenericDeviceType::Network) {
        ret = i18n("Network");
    }
    else if (query == TDEGenericDeviceType::NonvolatileMemory) {
        ret = i18n("Nonvolatile Memory");
    }
    else if (query == TDEGenericDeviceType::Printer) {
        ret = i18n("Printer");
    }
    else if (query == TDEGenericDeviceType::Scanner) {
        ret = i18n("Scanner");
    }
    else if (query == TDEGenericDeviceType::Sound) {
        ret = i18n("Sound");
    }
    else if (query == TDEGenericDeviceType::VideoCapture) {
        ret = i18n("Video Capture");
    }
    else if (query == TDEGenericDeviceType::IEEE1394) {
        ret = i18n("IEEE1394");
    }
    else if (query == TDEGenericDeviceType::PCMCIA) {
        ret = i18n("PCMCIA");
    }
    else if (query == TDEGenericDeviceType::Camera) {
        ret = i18n("Camera");
    }
    else if (query == TDEGenericDeviceType::TextIO) {
        ret = i18n("Text I/O");
    }
    else if (query == TDEGenericDeviceType::Serial) {
        ret = i18n("Serial Communications Controller");
    }
    else if (query == TDEGenericDeviceType::Parallel) {
        ret = i18n("Parallel Port");
    }
    else if (query == TDEGenericDeviceType::Peripheral) {
        ret = i18n("Peripheral");
    }
    else if (query == TDEGenericDeviceType::Backlight) {
        ret = i18n("Backlight");
    }
    else if (query == TDEGenericDeviceType::Battery) {
        ret = i18n("Battery");
    }
    else if (query == TDEGenericDeviceType::PowerSupply) {
        ret = i18n("Power Supply");
    }
    else if (query == TDEGenericDeviceType::Dock) {
        ret = i18n("Docking Station");
    }
    else if (query == TDEGenericDeviceType::ThermalSensor) {
        ret = i18n("Thermal Sensor");
    }
    else if (query == TDEGenericDeviceType::ThermalControl) {
        ret = i18n("Thermal Control");
    }
    else if (query == TDEGenericDeviceType::BlueTooth) {
        ret = i18n("Bluetooth");
    }
    else if (query == TDEGenericDeviceType::Bridge) {
        ret = i18n("Bridge");
    }
    else if (query == TDEGenericDeviceType::Hub) {
        ret = i18n("Hub");
    }
    else if (query == TDEGenericDeviceType::Platform) {
        ret = i18n("Platform");
    }
    else if (query == TDEGenericDeviceType::Cryptography) {
        ret = i18n("Cryptography");
    }
    else if (query == TDEGenericDeviceType::CryptographicCard) {
        ret = i18n("Cryptographic Card");
    }
    else if (query == TDEGenericDeviceType::BiometricSecurity) {
        ret = i18n("Biometric Security");
    }
    else if (query == TDEGenericDeviceType::TestAndMeasurement) {
        ret = i18n("Test and Measurement");
    }
    else if (query == TDEGenericDeviceType::Timekeeping) {
        ret = i18n("Timekeeping");
    }
    else if (query == TDEGenericDeviceType::Event) {
        ret = i18n("Platform Event");
    }
    else if (query == TDEGenericDeviceType::Input) {
        ret = i18n("Platform Input");
    }
    else if (query == TDEGenericDeviceType::PNP) {
        ret = i18n("Plug and Play");
    }
    else if (query == TDEGenericDeviceType::OtherACPI) {
        ret = i18n("Other ACPI");
    }
    else if (query == TDEGenericDeviceType::OtherUSB) {
        ret = i18n("Other USB");
    }
    else if (query == TDEGenericDeviceType::OtherMultimedia) {
        ret = i18n("Other Multimedia");
    }
    else if (query == TDEGenericDeviceType::OtherPeripheral) {
        ret = i18n("Other Peripheral");
    }
    else if (query == TDEGenericDeviceType::OtherSensor) {
        ret = i18n("Other Sensor");
    }
    else if (query == TDEGenericDeviceType::OtherVirtual) {
        ret = i18n("Other Virtual");
    }
    else {
        ret = i18n("Unknown Device");
    }

    return ret;
}

TQPixmap TDEHardwareDevices::getDeviceTypeIconFromType(TDEGenericDeviceType::TDEGenericDeviceType query, TDEIcon::StdSizes size) {
    TQPixmap ret = DesktopIcon("misc", size);

//  // Keep this in sync with the TDEGenericDeviceType definition in the header
    if (query == TDEGenericDeviceType::Root) {
        ret = DesktopIcon("kcmdevices", size);
    }
    else if (query == TDEGenericDeviceType::RootSystem) {
        ret = DesktopIcon("kcmdevices", size);
    }
    else if (query == TDEGenericDeviceType::CPU) {
        ret = DesktopIcon("kcmprocessor", size);
    }
    else if (query == TDEGenericDeviceType::GPU) {
        ret = DesktopIcon("kcmpci", size);
    }
    else if (query == TDEGenericDeviceType::RAM) {
        ret = DesktopIcon("memory", size);
    }
    else if (query == TDEGenericDeviceType::Bus) {
        ret = DesktopIcon("kcmpci", size);
    }
    else if (query == TDEGenericDeviceType::I2C) {
        ret = DesktopIcon("preferences-desktop-peripherals", size);
    }
    else if (query == TDEGenericDeviceType::MDIO) {
        ret = DesktopIcon("preferences-desktop-peripherals", size);
    }
    else if (query == TDEGenericDeviceType::Mainboard) {
        ret = DesktopIcon("kcmpci", size);  // FIXME
    }
    else if (query == TDEGenericDeviceType::Disk) {
        ret = DesktopIcon("drive-harddisk-unmounted", size);
    }
    else if (query == TDEGenericDeviceType::SCSI) {
        ret = DesktopIcon("kcmscsi", size);
    }
    else if (query == TDEGenericDeviceType::StorageController) {
        ret = DesktopIcon("kcmpci", size);
    }
    else if (query == TDEGenericDeviceType::Mouse) {
        ret = DesktopIcon("input-mouse", size);
    }
    else if (query == TDEGenericDeviceType::Keyboard) {
        ret = DesktopIcon("input-keyboard", size);
    }
    else if (query == TDEGenericDeviceType::HID) {
        ret = DesktopIcon("kcmdevices", size);  // FIXME
    }
    else if (query == TDEGenericDeviceType::Modem) {
        ret = DesktopIcon("kcmpci", size);
    }
    else if (query == TDEGenericDeviceType::Monitor) {
        ret = DesktopIcon("background", size);
    }
    else if (query == TDEGenericDeviceType::Network) {
        ret = DesktopIcon("kcmpci", size);
    }
    else if (query == TDEGenericDeviceType::NonvolatileMemory) {
        ret = DesktopIcon("memory", size);
    }
    else if (query == TDEGenericDeviceType::Printer) {
        ret = DesktopIcon("printer", size);
    }
    else if (query == TDEGenericDeviceType::Scanner) {
        ret = DesktopIcon("scanner", size);
    }
    else if (query == TDEGenericDeviceType::Sound) {
        ret = DesktopIcon("kcmsound", size);
    }
    else if (query == TDEGenericDeviceType::VideoCapture) {
        ret = DesktopIcon("tv", size);      // FIXME
    }
    else if (query == TDEGenericDeviceType::IEEE1394) {
        ret = DesktopIcon("ieee1394", size);
    }
    else if (query == TDEGenericDeviceType::PCMCIA) {
        ret = DesktopIcon("kcmdevices", size);  // FIXME
    }
    else if (query == TDEGenericDeviceType::Camera) {
        ret = DesktopIcon("camera-photo", size);
    }
    else if (query == TDEGenericDeviceType::Serial) {
        ret = DesktopIcon("preferences-desktop-peripherals", size);
    }
    else if (query == TDEGenericDeviceType::Parallel) {
        ret = DesktopIcon("preferences-desktop-peripherals", size);
    }
    else if (query == TDEGenericDeviceType::TextIO) {
        ret = DesktopIcon("chardevice", size);
    }
    else if (query == TDEGenericDeviceType::Peripheral) {
        ret = DesktopIcon("kcmpci", size);
    }
    else if (query == TDEGenericDeviceType::Backlight) {
        ret = DesktopIcon("tdescreensaver", size);  // FIXME
    }
    else if (query == TDEGenericDeviceType::Battery) {
        ret = DesktopIcon("energy", size);
    }
    else if (query == TDEGenericDeviceType::PowerSupply) {
        ret = DesktopIcon("energy", size);
    }
    else if (query == TDEGenericDeviceType::Dock) {
        ret = DesktopIcon("kcmdevices", size);  // FIXME
    }
    else if (query == TDEGenericDeviceType::ThermalSensor) {
        ret = DesktopIcon("kcmdevices", size);  // FIXME
    }
    else if (query == TDEGenericDeviceType::ThermalControl) {
        ret = DesktopIcon("kcmdevices", size);  // FIXME
    }
    else if (query == TDEGenericDeviceType::BlueTooth) {
        ret = DesktopIcon("kcmpci", size);  // FIXME
    }
    else if (query == TDEGenericDeviceType::Bridge) {
        ret = DesktopIcon("kcmpci", size);
    }
    else if (query == TDEGenericDeviceType::Hub) {
        ret = DesktopIcon("usb", size);
    }
    else if (query == TDEGenericDeviceType::Platform) {
        ret = DesktopIcon("preferences-system", size);
    }
    else if (query == TDEGenericDeviceType::Cryptography) {
        ret = DesktopIcon("password", size);
    }
    else if (query == TDEGenericDeviceType::CryptographicCard) {
        ret = DesktopIcon("password", size);
    }
    else if (query == TDEGenericDeviceType::BiometricSecurity) {
        ret = DesktopIcon("password", size);
    }
    else if (query == TDEGenericDeviceType::TestAndMeasurement) {
        ret = DesktopIcon("kcmdevices", size);
    }
    else if (query == TDEGenericDeviceType::Timekeeping) {
        ret = DesktopIcon("history", size);
    }
    else if (query == TDEGenericDeviceType::Event) {
        ret = DesktopIcon("preferences-system", size);
    }
    else if (query == TDEGenericDeviceType::Input) {
        ret = DesktopIcon("preferences-system", size);
    }
    else if (query == TDEGenericDeviceType::PNP) {
        ret = DesktopIcon("preferences-system", size);
    }
    else if (query == TDEGenericDeviceType::OtherACPI) {
        ret = DesktopIcon("kcmdevices", size);  // FIXME
    }
    else if (query == TDEGenericDeviceType::OtherUSB) {
        ret = DesktopIcon("usb", size);
    }
    else if (query == TDEGenericDeviceType::OtherMultimedia) {
        ret = DesktopIcon("kcmsound", size);
    }
    else if (query == TDEGenericDeviceType::OtherPeripheral) {
        ret = DesktopIcon("kcmpci", size);
    }
    else if (query == TDEGenericDeviceType::OtherSensor) {
        ret = DesktopIcon("kcmdevices", size);  // FIXME
    }
    else if (query == TDEGenericDeviceType::OtherVirtual) {
        ret = DesktopIcon("preferences-system", size);
    }
    else {
        ret = DesktopIcon("hwinfo", size);
    }

    return ret;
}

TDERootSystemDevice* TDEHardwareDevices::rootSystemDevice() {
    TDEGenericDevice *hwdevice;
    for ( hwdevice = m_deviceList.first(); hwdevice; hwdevice = m_deviceList.next() ) {
        if (hwdevice->type() == TDEGenericDeviceType::RootSystem) {
            return dynamic_cast<TDERootSystemDevice*>(hwdevice);
        }
    }

    return 0;
}

TQString TDEHardwareDevices::bytesToFriendlySizeString(double bytes) {
    TQString prettystring;

    prettystring = TQString("%1B").arg(bytes);

    if (bytes > 1024) {
        bytes = bytes / 1024;
        prettystring = TQString("%1KB").arg(bytes, 0, 'f', 1);
    }

    if (bytes > 1024) {
        bytes = bytes / 1024;
        prettystring = TQString("%1MB").arg(bytes, 0, 'f', 1);
    }

    if (bytes > 1024) {
        bytes = bytes / 1024;
        prettystring = TQString("%1GB").arg(bytes, 0, 'f', 1);
    }

    if (bytes > 1024) {
        bytes = bytes / 1024;
        prettystring = TQString("%1TB").arg(bytes, 0, 'f', 1);
    }

    if (bytes > 1024) {
        bytes = bytes / 1024;
        prettystring = TQString("%1PB").arg(bytes, 0, 'f', 1);
    }

    if (bytes > 1024) {
        bytes = bytes / 1024;
        prettystring = TQString("%1EB").arg(bytes, 0, 'f', 1);
    }

    if (bytes > 1024) {
        bytes = bytes / 1024;
        prettystring = TQString("%1ZB").arg(bytes, 0, 'f', 1);
    }

    if (bytes > 1024) {
        bytes = bytes / 1024;
        prettystring = TQString("%1YB").arg(bytes, 0, 'f', 1);
    }

    return prettystring;
}

TDEGenericHardwareList TDEHardwareDevices::listByDeviceClass(TDEGenericDeviceType::TDEGenericDeviceType cl) {
    TDEGenericHardwareList ret;
    ret.setAutoDelete(false);

    TDEGenericDevice *hwdevice;
    for ( hwdevice = m_deviceList.first(); hwdevice; hwdevice = m_deviceList.next() ) {
        if (hwdevice->type() == cl) {
            ret.append(hwdevice);
        }
    }

    return ret;
}

TDEGenericHardwareList TDEHardwareDevices::listAllPhysicalDevices() {
    TDEGenericHardwareList ret = m_deviceList;
    ret.setAutoDelete(false);

    return ret;
}

#include "tdehardwaredevices.moc"