/*  This file is part of the KDE project
    Copyright (C) 2005-2007 Kevin Ottens <ervin@kde.org>

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License 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 "haldevice.h"

#include <QtCore/QDebug>
#include <QtDBus/QDBusConnection>
#include <QtDBus/QDBusInterface>
#include <QtDBus/QDBusReply>
#include <QtDBus/QDBusArgument>
#include <QtDBus/QDBusMetaType>
#include <QtDBus/QDBusVariant>

#include <solid/genericinterface.h>

#include "haldeviceinterface.h"
#include "halgenericinterface.h"
#include "halprocessor.h"
#include "halblock.h"
#include "halstorageaccess.h"
#include "halstorage.h"
#include "halcdrom.h"
#include "halvolume.h"
#include "halopticaldisc.h"
#include "halcamera.h"
#include "halportablemediaplayer.h"
#include "halnetworkinterface.h"
#include "halacadapter.h"
#include "halbattery.h"
#include "halbutton.h"
#include "halaudiointerface.h"
#include "haldvbinterface.h"
#include "halvideo.h"
#include "halserialinterface.h"
#include "halsmartcardreader.h"

using namespace Solid::Backends::Hal;

// Adapted from KLocale as Solid needs to be Qt-only
static QString formatByteSize(double size)
{
    // Per IEC 60027-2

    // Binary prefixes
    //Tebi-byte             TiB             2^40    1,099,511,627,776 bytes
    //Gibi-byte             GiB             2^30    1,073,741,824 bytes
    //Mebi-byte             MiB             2^20    1,048,576 bytes
    //Kibi-byte             KiB             2^10    1,024 bytes

    QString s;
    // Gibi-byte
    if ( size >= 1073741824.0 )
    {
        size /= 1073741824.0;
        if ( size > 1024 ) // Tebi-byte
            s = QObject::tr("%1 TiB").arg(QLocale().toString(size / 1024.0, 'f', 1));
        else
            s = QObject::tr("%1 GiB").arg(QLocale().toString(size, 'f', 1));
    }
    // Mebi-byte
    else if ( size >= 1048576.0 )
    {
        size /= 1048576.0;
        s = QObject::tr("%1 MiB").arg(QLocale().toString(size, 'f', 1));
    }
    // Kibi-byte
    else if ( size >= 1024.0 )
    {
        size /= 1024.0;
        s = QObject::tr("%1 KiB").arg(QLocale().toString(size, 'f', 1));
    }
    // Just byte
    else if ( size > 0 )
    {
        s = QObject::tr("%1 B").arg(QLocale().toString(size, 'f', 1));
    }
    // Nothing
    else
    {
        s = QObject::tr("0 B");
    }
    return s;
}

class Solid::Backends::Hal::HalDevicePrivate
{
public:
    HalDevicePrivate(const QString &udi)
        : device("org.freedesktop.Hal",
                  udi,
                  "org.freedesktop.Hal.Device",
                  QDBusConnection::systemBus()),
          cacheSynced(false), parent(0) { }
    void checkCache(const QString &key = QString());

    QDBusInterface device;
    QMap<QString,QVariant> cache;
    QMap<Solid::DeviceInterface::Type, bool> capListCache;
    QSet<QString> invalidKeys;

    bool cacheSynced;
    HalDevice *parent;
};

Q_DECLARE_METATYPE(ChangeDescription)
Q_DECLARE_METATYPE(QList<ChangeDescription>)

const QDBusArgument &operator<<(QDBusArgument &arg, const ChangeDescription &change)
{
    arg.beginStructure();
    arg << change.key << change.added << change.removed;
    arg.endStructure();
    return arg;
}

const QDBusArgument &operator>>(const QDBusArgument &arg, ChangeDescription &change)
{
    arg.beginStructure();
    arg >> change.key >> change.added >> change.removed;
    arg.endStructure();
    return arg;
}

HalDevice::HalDevice(const QString &udi)
    : Device(), d(new HalDevicePrivate(udi))
{
    qDBusRegisterMetaType<ChangeDescription>();
    qDBusRegisterMetaType< QList<ChangeDescription> >();

    d->device.connection().connect("org.freedesktop.Hal",
                                    udi, "org.freedesktop.Hal.Device",
                                    "PropertyModified",
                                    this, SLOT(slotPropertyModified(int, const QList<ChangeDescription> &)));
    d->device.connection().connect("org.freedesktop.Hal",
                                    udi, "org.freedesktop.Hal.Device",
                                    "Condition",
                                    this, SLOT(slotCondition(const QString &, const QString &)));
}

HalDevice::~HalDevice()
{
    delete d->parent;
    delete d;
}

QString HalDevice::udi() const
{
    return property("info.udi").toString();
}

QString HalDevice::parentUdi() const
{
    return property("info.parent").toString();
}

QString HalDevice::vendor() const
{
    return property("info.vendor").toString();
}

QString HalDevice::product() const
{
    return property("info.product").toString();
}

QString HalDevice::icon() const
{
    QString category = property("info.category").toString();

    if(parentUdi().isEmpty()) {

        QString formfactor = property("system.formfactor").toString();
        if (formfactor=="laptop") {
            return "computer-laptop";
        } else {
            return "computer";
        }

    } else if (category=="storage") {

        if (property("storage.drive_type").toString()=="floppy") {
            return "media-floppy";
        } else if (property("storage.drive_type").toString()=="cdrom") {
            return "drive-optical";
        } else if (property("storage.drive_type").toString()=="sd_mmc") {
            return "media-flash-sd-mmc";
        } else if (property("storage.hotpluggable").toBool()) {
            if (property("storage.bus").toString()=="usb") {
                if (property("storage.no_partitions_hint").toBool()
                 || property("storage.removable.media_size").toLongLong()<4000000000LL) {
                    return "drive-removable-media-usb-pendrive";
                } else {
                    return "drive-removable-media-usb";
                }
            }

            return "drive-removable-media";
        }

        return "drive-harddisk";

    } else if (category=="volume") {

        QStringList capabilities = property("info.capabilities").toStringList();

        if (capabilities.contains("volume.disc")) {
            bool has_video = property("volume.disc.is_vcd").toBool()
                          || property("volume.disc.is_svcd").toBool()
                          || property("volume.disc.is_videodvd").toBool();
            bool has_audio = property("volume.disc.has_audio").toBool();
            bool recordable = property("volume.disc.is_blank").toBool()
                          || property("volume.disc.is_appendable").toBool()
                          || property("volume.disc.is_rewritable").toBool();

            if (has_video) {
                return "media-optical-video";
            } else if (has_audio) {
                return "media-optical-audio";
            } else if (recordable) {
                return "media-optical-recordable";
            } else {
                return "media-optical";
            }

        } else {
            if (!d->parent) {
                d->parent = new HalDevice(parentUdi());
            }
            QString iconName = d->parent->icon();

            if (!iconName.isEmpty()) {
                return iconName;
            }

            return "drive-harddisk";
        }

    } else if (category=="camera") {
        return "camera-photo";

    } else if (category=="input") {
        QStringList capabilities = property("info.capabilities").toStringList();

        if (capabilities.contains("input.mouse")) {
            return "input-mouse";
        } else if (capabilities.contains("input.keyboard")) {
            return "input-keyboard";
        } else if (capabilities.contains("input.joystick")) {
            return "input-gaming";
        } else if (capabilities.contains("input.tablet")) {
            return "input-tablet";
        }

    } else if (category=="portable_audio_player") {
        QStringList protocols = property("portable_audio_player.access_method.protocols").toStringList();

        if (protocols.contains("ipod")) {
            return "multimedia-player-apple-ipod";
        } else {
            return "multimedia-player";
        }
    } else if (category=="battery") {
        return "battery";
    } else if (category=="processor") {
        return "cpu"; // FIXME: Doesn't follow icon spec
    } else if (category=="video4linux") {
        return "camera-web";
    } else if (category == "alsa" || category == "oss") {
        // Sorry about this const_cast, but it's the best way to not copy the code from
        // AudioInterface.
        const Hal::AudioInterface audioIface(const_cast<HalDevice *>(this));
        switch (audioIface.soundcardType()) {
        case Solid::AudioInterface::InternalSoundcard:
            return QLatin1String("audio-card");
        case Solid::AudioInterface::UsbSoundcard:
            return QLatin1String("audio-card-usb");
        case Solid::AudioInterface::FirewireSoundcard:
            return QLatin1String("audio-card-firewire");
        case Solid::AudioInterface::Headset:
            if (udi().contains("usb", Qt::CaseInsensitive) ||
                    audioIface.name().contains("usb", Qt::CaseInsensitive)) {
                return QLatin1String("audio-headset-usb");
            } else {
                return QLatin1String("audio-headset");
            }
        case Solid::AudioInterface::Modem:
            return QLatin1String("modem");
        }
    } else if (category == "serial") {
        // TODO - a serial device can be a modem, or just
        // a COM port - need a new icon?
        return QLatin1String("modem");
    } else if (category == "smart_card_reader") {
        return QLatin1String("smart-card-reader");
    }

    return QString();
}

QStringList HalDevice::emblems() const
{
    QStringList res;

    if (queryDeviceInterface(Solid::DeviceInterface::StorageAccess)) {
        bool isEncrypted = property("volume.fsusage").toString()=="crypto";

        const Hal::StorageAccess accessIface(const_cast<HalDevice *>(this));
        if (accessIface.isAccessible()) {
            if (isEncrypted) {
                res << "emblem-encrypted-unlocked";
            } else {
                res << "emblem-mounted";
            }
        } else {
            if (isEncrypted) {
                res << "emblem-encrypted-locked";
            } else {
                res << "emblem-unmounted";
            }
        }
    }

    return res;
}

QString HalDevice::description() const
{
    QString category = property("info.category").toString();

    if (category=="storage") {
        return storageDescription();
    } else if (category=="volume") {
        return volumeDescription();
    } else if (category=="net.80211") {
        return QObject::tr("WLAN Interface");
    } else if (category=="net.80203") {
        return QObject::tr("Networking Interface");
    } else {
        return product();
    }
}

QVariant HalDevice::property(const QString &key) const
{
    d->checkCache(key);
    return d->cache.value(key);
}

void HalDevicePrivate::checkCache(const QString &key)
{
    if (cacheSynced) {
        if (key.isEmpty()) {
            if (invalidKeys.isEmpty()) {
                return;
            }
        } else if (!invalidKeys.contains(key)) {
            return;
        }
    }

    QDBusReply<QVariantMap> reply = device.call("GetAllProperties");

    if (reply.isValid()) {
        cache = reply;
    } else {
        qWarning() << Q_FUNC_INFO << " error: " << reply.error().name()
            << ", " << reply.error().message() << endl;
        cache = QVariantMap();
    }

    invalidKeys.clear();
    cacheSynced = true;
    //qDebug( )<< q << udi() << "failure";
}

QMap<QString, QVariant> HalDevice::allProperties() const
{
    d->checkCache();
    return d->cache;
}

bool HalDevice::propertyExists(const QString &key) const
{
    d->checkCache(key);
    return d->cache.value(key).isValid();
}

bool HalDevice::queryDeviceInterface(const Solid::DeviceInterface::Type &type) const
{
    // Special cases not matching with HAL capabilities
    if (type==Solid::DeviceInterface::GenericInterface) {
        return true;
    } else if (type==Solid::DeviceInterface::StorageAccess) {
        return property("org.freedesktop.Hal.Device.Volume.method_names").toStringList().contains("Mount")
            || property("info.interfaces").toStringList().contains("org.freedesktop.Hal.Device.Volume.Crypto");
    }
    else if (type==Solid::DeviceInterface::Video) {
        if (!property("video4linux.device").toString().contains("video" ) )
          return false;
    } else if (d->capListCache.contains(type)) {
        return d->capListCache.value(type);
    }

    QStringList cap_list = DeviceInterface::toStringList(type);

    foreach (const QString &cap, cap_list) {
        QDBusReply<bool> reply = d->device.call("QueryCapability", cap);

        if (!reply.isValid()) {
            qWarning() << Q_FUNC_INFO << " error: " << reply.error().name() << endl;
            return false;
        }

        if (reply) {
            d->capListCache.insert(type, true);
            return true;
        }
    }

    d->capListCache.insert(type, false);
    return false;
}

QObject *HalDevice::createDeviceInterface(const Solid::DeviceInterface::Type &type)
{
    if (!queryDeviceInterface(type)) {
        return 0;
    }

    DeviceInterface *iface = 0;

    switch (type)
    {
    case Solid::DeviceInterface::GenericInterface:
        iface = new GenericInterface(this);
        break;
    case Solid::DeviceInterface::Processor:
        iface = new Processor(this);
        break;
    case Solid::DeviceInterface::Block:
        iface = new Block(this);
        break;
    case Solid::DeviceInterface::StorageAccess:
        iface = new StorageAccess(this);
        break;
    case Solid::DeviceInterface::StorageDrive:
        iface = new Storage(this);
        break;
    case Solid::DeviceInterface::OpticalDrive:
        iface = new Cdrom(this);
        break;
    case Solid::DeviceInterface::StorageVolume:
        iface = new Volume(this);
        break;
    case Solid::DeviceInterface::OpticalDisc:
        iface = new OpticalDisc(this);
        break;
    case Solid::DeviceInterface::Camera:
        iface = new Camera(this);
        break;
    case Solid::DeviceInterface::PortableMediaPlayer:
        iface = new PortableMediaPlayer(this);
        break;
    case Solid::DeviceInterface::NetworkInterface:
        iface = new NetworkInterface(this);
        break;
    case Solid::DeviceInterface::AcAdapter:
        iface = new AcAdapter(this);
        break;
    case Solid::DeviceInterface::Battery:
        iface = new Battery(this);
        break;
    case Solid::DeviceInterface::Button:
        iface = new Button(this);
        break;
    case Solid::DeviceInterface::AudioInterface:
        iface = new AudioInterface(this);
        break;
    case Solid::DeviceInterface::DvbInterface:
        iface = new DvbInterface(this);
        break;
    case Solid::DeviceInterface::Video:
        iface = new Video(this);
        break;
    case Solid::DeviceInterface::SerialInterface:
        iface = new SerialInterface(this);
        break;
    case Solid::DeviceInterface::SmartCardReader:
        iface = new SmartCardReader(this);
        break;
    case Solid::DeviceInterface::Unknown:
    case Solid::DeviceInterface::Last:
        break;
    }

    return iface;
}

void HalDevice::slotPropertyModified(int /*count */, const QList<ChangeDescription> &changes)
{
    QMap<QString,int> result;

    foreach (const ChangeDescription &change, changes) {
        QString key = change.key;
        bool added = change.added;
        bool removed = change.removed;

        Solid::GenericInterface::PropertyChange type = Solid::GenericInterface::PropertyModified;

        if (added) {
            type = Solid::GenericInterface::PropertyAdded;
        } else if (removed) {
            type = Solid::GenericInterface::PropertyRemoved;
        }

        result[key] = type;
        d->cache.remove(key);

        if (d->cache.isEmpty()) {
            d->cacheSynced = false;
            d->invalidKeys.clear();
        } else {
            d->invalidKeys.insert(key);
        }
    }

    //qDebug() << this << "unsyncing the cache";
    emit propertyChanged(result);
}

void HalDevice::slotCondition(const QString &condition, const QString &reason)
{
    emit conditionRaised(condition, reason);
}

QString HalDevice::storageDescription() const
{
    QString description;
    const Storage storageDrive(const_cast<HalDevice*>(this));
    Solid::StorageDrive::DriveType drive_type = storageDrive.driveType();
    bool drive_is_hotpluggable = storageDrive.isHotpluggable();

    if (drive_type == Solid::StorageDrive::CdromDrive) {
        const Cdrom opticalDrive(const_cast<HalDevice*>(this));
        Solid::OpticalDrive::MediumTypes mediumTypes = opticalDrive.supportedMedia();
        QString first;
        QString second;

        first = QObject::tr("CD-ROM", "First item of %1%2 Drive sentence");
        if (mediumTypes & Solid::OpticalDrive::Cdr)
            first = QObject::tr("CD-R", "First item of %1%2 Drive sentence");
        if (mediumTypes & Solid::OpticalDrive::Cdrw)
            first = QObject::tr("CD-RW", "First item of %1%2 Drive sentence");

        if (mediumTypes & Solid::OpticalDrive::Dvd)
            second = QObject::tr("/DVD-ROM", "Second item of %1%2 Drive sentence");
        if (mediumTypes & Solid::OpticalDrive::Dvdplusr)
            second = QObject::tr("/DVD+R", "Second item of %1%2 Drive sentence");
        if (mediumTypes & Solid::OpticalDrive::Dvdplusrw)
            second = QObject::tr("/DVD+RW", "Second item of %1%2 Drive sentence");
        if (mediumTypes & Solid::OpticalDrive::Dvdr)
            second = QObject::tr("/DVD-R", "Second item of %1%2 Drive sentence");
        if (mediumTypes & Solid::OpticalDrive::Dvdrw)
            second = QObject::tr("/DVD-RW", "Second item of %1%2 Drive sentence");
        if (mediumTypes & Solid::OpticalDrive::Dvdram)
            second = QObject::tr("/DVD-RAM", "Second item of %1%2 Drive sentence");
        if ((mediumTypes & Solid::OpticalDrive::Dvdr) && (mediumTypes & Solid::OpticalDrive::Dvdplusr)) {
            if(mediumTypes & Solid::OpticalDrive::Dvdplusdl)
                second = QObject::tr("/DVD±R DL", "Second item of %1%2 Drive sentence");
            else
                second = QObject::tr("/DVD±R", "Second item of %1%2 Drive sentence");
        }
        if ((mediumTypes & Solid::OpticalDrive::Dvdrw) && (mediumTypes & Solid::OpticalDrive::Dvdplusrw)) {
            if((mediumTypes & Solid::OpticalDrive::Dvdplusdl) || (mediumTypes & Solid::OpticalDrive::Dvdplusdlrw))
                second = QObject::tr("/DVD±RW DL", "Second item of %1%2 Drive sentence");
            else
                second = QObject::tr("/DVD±RW", "Second item of %1%2 Drive sentence");
        }
        if (mediumTypes & Solid::OpticalDrive::Bd)
            second = QObject::tr("/BD-ROM", "Second item of %1%2 Drive sentence");
        if (mediumTypes & Solid::OpticalDrive::Bdr)
            second = QObject::tr("/BD-R", "Second item of %1%2 Drive sentence");
        if (mediumTypes & Solid::OpticalDrive::Bdre)
            second = QObject::tr("/BD-RE", "Second item of %1%2 Drive sentence");
        if (mediumTypes & Solid::OpticalDrive::HdDvd)
            second = QObject::tr("/HD DVD-ROM", "Second item of %1%2 Drive sentence");
        if (mediumTypes & Solid::OpticalDrive::HdDvdr)
            second = QObject::tr("/HD DVD-R", "Second item of %1%2 Drive sentence");
        if (mediumTypes & Solid::OpticalDrive::HdDvdrw)
            second = QObject::tr("/HD DVD-RW", "Second item of %1%2 Drive sentence");

        if (drive_is_hotpluggable) {
            description = QObject::tr("External %1%2 Drive").arg(first).arg(second);
        } else {
            description = QObject::tr("%1%2 Drive").arg(first).arg(second);
        }

        return description;
    }

    if (drive_type == Solid::StorageDrive::Floppy) {
        if (drive_is_hotpluggable)
            description = QObject::tr("External Floppy Drive");
        else
            description = QObject::tr("Floppy Drive");

        return description;
    }

    bool drive_is_removable = storageDrive.isRemovable();

    if (drive_type == Solid::StorageDrive::HardDisk && !drive_is_removable) {
        QString size_str = formatByteSize(property("storage.size").toInt());
        if (!size_str.isEmpty()) {
            if (drive_is_hotpluggable) {
                description = QObject::tr("%1 External Hard Drive", "%1 is the size").arg(size_str);
            } else {
                description = QObject::tr("%1 Hard Drive", "%1 is the size").arg(size_str);
            }
        } else {
            if (drive_is_hotpluggable)
                description = QObject::tr("External Hard Drive");
            else
                description = QObject::tr("Hard Drive");
        }

        return description;
    }

    QString vendormodel_str;
    QString model = property("storage.model").toString();
    QString vendor = property("storage.vendor").toString();

    if (vendor.isEmpty()) {
        if (!model.isEmpty())
            vendormodel_str = model;
    } else {
        if (model.isEmpty())
            vendormodel_str = vendor;
        else
            vendormodel_str = QObject::tr("%1 %2", "%1 is the vendor, %2 is the model of the device").arg(vendor).arg(model);
    }

    if (vendormodel_str.isEmpty())
        description = QObject::tr("Drive");
    else
        description = vendormodel_str;

    return description;
}

QString HalDevice::volumeDescription() const
{
    QString description;
    QString volume_label = property("volume.label").toString();

    if (!volume_label.isEmpty()) {
        return volume_label;
    }

    if (!d->parent) {
        d->parent = new HalDevice(parentUdi());
    }
    const Storage storageDrive(const_cast<HalDevice*>(d->parent));
    Solid::StorageDrive::DriveType drive_type = storageDrive.driveType();

    /* Handle media in optical drives */
    if (drive_type == Solid::StorageDrive::CdromDrive) {
        const OpticalDisc disc(const_cast<HalDevice*>(this));
        switch (disc.discType()) {
            case Solid::OpticalDisc::UnknownDiscType:
            case Solid::OpticalDisc::CdRom:
                description = QObject::tr("CD-ROM");
                break;

            case Solid::OpticalDisc::CdRecordable:
                if (disc.isBlank())
                    description = QObject::tr("Blank CD-R");
                else
                    description = QObject::tr("CD-R");
                break;

            case Solid::OpticalDisc::CdRewritable:
                if (disc.isBlank())
                    description = QObject::tr("Blank CD-RW");
                else
                    description = QObject::tr("CD-RW");
                break;

            case Solid::OpticalDisc::DvdRom:
                description = QObject::tr("DVD-ROM");
                break;

            case Solid::OpticalDisc::DvdRam:
                if (disc.isBlank())
                    description = QObject::tr("Blank DVD-RAM");
                else
                    description = QObject::tr("DVD-RAM");
                break;

            case Solid::OpticalDisc::DvdRecordable:
                if (disc.isBlank())
                    description = QObject::tr("Blank DVD-R");
                else
                    description = QObject::tr("DVD-R");
                break;

            case Solid::OpticalDisc::DvdPlusRecordableDuallayer:
                if (disc.isBlank())
                    description = QObject::tr("Blank DVD+R Dual-Layer");
                else
                    description = QObject::tr("DVD+R Dual-Layer");
                break;

            case Solid::OpticalDisc::DvdRewritable:
                if (disc.isBlank())
                    description = QObject::tr("Blank DVD-RW");
                else
                    description = QObject::tr("DVD-RW");
                break;

            case Solid::OpticalDisc::DvdPlusRecordable:
                if (disc.isBlank())
                    description = QObject::tr("Blank DVD+R");
                else
                    description = QObject::tr("DVD+R");
                break;

            case Solid::OpticalDisc::DvdPlusRewritable:
                if (disc.isBlank())
                    description = QObject::tr("Blank DVD+RW");
                else
                    description = QObject::tr("DVD+RW");
                break;

            case Solid::OpticalDisc::DvdPlusRewritableDuallayer:
                if (disc.isBlank())
                    description = QObject::tr("Blank DVD+RW Dual-Layer");
                else
                    description = QObject::tr("DVD+RW Dual-Layer");
                break;

            case Solid::OpticalDisc::BluRayRom:
                description = QObject::tr("BD-ROM");
                break;

            case Solid::OpticalDisc::BluRayRecordable:
                if (disc.isBlank())
                    description = QObject::tr("Blank BD-R");
                else
                    description = QObject::tr("BD-R");
                break;

            case Solid::OpticalDisc::BluRayRewritable:
                if (disc.isBlank())
                    description = QObject::tr("Blank BD-RE");
                else
                    description = QObject::tr("BD-RE");
                break;

            case Solid::OpticalDisc::HdDvdRom:
                description = QObject::tr("HD DVD-ROM");
                break;

            case Solid::OpticalDisc::HdDvdRecordable:
                if (disc.isBlank())
                    description = QObject::tr("Blank HD DVD-R");
                else
                    description = QObject::tr("HD DVD-R");
                break;

            case Solid::OpticalDisc::HdDvdRewritable:
                if (disc.isBlank())
                    description = QObject::tr("Blank HD DVD-RW");
                else
                    description = QObject::tr("HD DVD-RW");
                break;
            }

        /* Special case for pure audio disc */
        if (disc.availableContent() == Solid::OpticalDisc::Audio) {
            description = QObject::tr("Audio CD");
        }

        return description;
    }

    bool drive_is_removable = storageDrive.isRemovable();
    bool drive_is_hotpluggable = storageDrive.isHotpluggable();
    bool drive_is_encrypted_container = property("volume.fsusage").toString()=="crypto";

    QString size_str = formatByteSize(property("volume.size").toULongLong());
    if (drive_is_encrypted_container) {
        if (!size_str.isEmpty()) {
            description = QObject::tr("%1 Encrypted Container", "%1 is the size").arg(size_str);
        } else {
            description = QObject::tr("Encrypted Container");
        }
    } else if (drive_type == Solid::StorageDrive::HardDisk && !drive_is_removable) {
        if (!size_str.isEmpty()) {
            if (drive_is_hotpluggable) {
                description = QObject::tr("%1 External Hard Drive", "%1 is the size").arg(size_str);
            } else {
                description = QObject::tr("%1 Hard Drive", "%1 is the size").arg(size_str);
            }
        } else {
            if (drive_is_hotpluggable)
                description = QObject::tr("External Hard Drive");
            else
                description = QObject::tr("Hard Drive");
        }
    } else {
        if (drive_is_removable) {
            description = QObject::tr("%1 Removable Media", "%1 is the size").arg(size_str);
        } else {
            description = QObject::tr("%1 Media", "%1 is the size").arg(size_str);
        }
    }

    return description;
}

QString HalDevice::deviceDBusPath() const
{
    return QString("/org/kde/solid/HalDevice_%1").arg(udi());
}

void HalDevice::broadcastActionDone(const QString& signalName, int error, QVariant errorData, const QString &udi) const
{
    QDBusMessage signal = QDBusMessage::createSignal(deviceDBusPath(), "org.kde.solid.HalDevice", signalName);
    if (errorData.isValid()) {
        signal << error << QVariant::fromValue(QDBusVariant(errorData)) << udi;
    } else {
        signal << error << QVariant::fromValue(QDBusVariant(QString())) << udi;
    }

    QDBusConnection::sessionBus().send(signal);
}

void HalDevice::broadcastActionRequested(const QString& signalName) const
{
    QDBusMessage signal = QDBusMessage::createSignal(deviceDBusPath(), "org.kde.solid.HalDevice", signalName);
    QDBusConnection::sessionBus().send(signal);

}

void HalDevice::connectActionSignal(const QString& signalName, QObject* dest, const char * slot) const
{
    QDBusConnection::sessionBus().connect(QString(), deviceDBusPath(), "org.kde.solid.HalDevice", signalName,  dest, slot);
}

QVariant HalDevice::variantFromDBusVariant(const QDBusVariant variant)
{
    if (!variant.variant().toString().isNull()) {
        return variant.variant();
    } else {
        return QVariant();
    }
}

#include "backends/hal/haldevice.moc"
