Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebase@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 1345 insertions, 0 deletions

diff --git a/kioslave/media/mediamanager/halbackend.cpp b/kioslave/media/mediamanager/halbackend.cpp
new file mode 100644
index 000000000..65c796605
--- /dev/null
+++ b/kioslave/media/mediamanager/halbackend.cpp
@@ -0,0 +1,1345 @@
+/* This file is part of the KDE Project
+   Copyright (c) 2004-2005 Jérôme Lodewyck <jerome dot lodewyck at normalesup dot 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 "halbackend.h"
+#include "linuxcdpolling.h"
+
+#include <stdlib.h>
+
+#include <kapplication.h>
+#include <qeventloop.h>
+#include <qfile.h>
+#include <klocale.h>
+#include <kurl.h>
+#include <kdebug.h>
+#include <kprocess.h>
+#include <kconfig.h>
+#include <qstylesheet.h>
+#include <kmountpoint.h>
+#include <kmessagebox.h>
+#include <kio/job.h>
+
+#define MOUNT_SUFFIX	(libhal_volume_is_mounted(halVolume) ? QString("_mounted") : QString("_unmounted"))
+#define MOUNT_ICON_SUFFIX	(libhal_volume_is_mounted(halVolume) ? QString("_mount") : QString("_unmount"))
+
+/* Static instance of this class, for static HAL callbacks */
+static HALBackend* s_HALBackend;
+
+/* A macro function to convert HAL string properties to QString */
+QString libhal_device_get_property_QString(LibHalContext *ctx, const char* udi, const char *key)
+{
+    char*   _ppt_string;
+    QString _ppt_QString;
+    DBusError error;
+    dbus_error_init(&error);
+    _ppt_string = libhal_device_get_property_string(ctx, udi, key, &error);
+    if ( _ppt_string )
+        _ppt_QString = _ppt_string;
+    libhal_free_string(_ppt_string);
+    return _ppt_QString;
+}
+
+/* Constructor */
+HALBackend::HALBackend(MediaList &list, QObject* parent)
+    : QObject()
+    , BackendBase(list)
+    , m_halContext(NULL)
+    , m_halStoragePolicy(NULL)
+    , m_parent(parent)
+{
+    s_HALBackend = this;
+}
+
+/* Destructor */
+HALBackend::~HALBackend()
+{
+    /* Close HAL connection */
+    if (m_halContext)
+    {
+        const QPtrList<Medium> medlist = m_mediaList.list();
+        QPtrListIterator<Medium> it (medlist);
+        for ( const Medium *current_medium = it.current(); current_medium; current_medium = ++it)
+        {
+            if( !current_medium->id().startsWith( "/org/kde" ))
+                unmount(current_medium->id());
+        }
+
+
+        /* Remove all the registered media first */
+        int numDevices;
+        char** halDeviceList = libhal_get_all_devices( m_halContext, &numDevices, NULL );
+
+        if ( halDeviceList )
+        {
+            for ( int i = 0; i < numDevices; i++ )
+            {
+                m_mediaList.removeMedium( halDeviceList[i], false );
+            }
+        }
+
+        libhal_free_string_array( halDeviceList );
+
+        DBusError error;
+        dbus_error_init(&error);
+        libhal_ctx_shutdown(m_halContext, &error);
+        libhal_ctx_free(m_halContext);
+    }
+
+    if (m_halStoragePolicy)
+        libhal_storage_policy_free(m_halStoragePolicy);
+}
+
+/* Connect to the HAL */
+bool HALBackend::InitHal()
+{
+    kdDebug(1219) << "Context new" << endl;
+    m_halContext = libhal_ctx_new();
+    if (!m_halContext)
+    {
+        kdDebug(1219) << "Failed to initialize HAL!" << endl;
+        return false;
+    }
+
+    // Main loop integration
+    kdDebug(1219) << "Main loop integration" << endl;
+    DBusError error;
+    dbus_error_init(&error);
+    dbus_connection = dbus_bus_get_private(DBUS_BUS_SYSTEM, &error);
+
+    if (!dbus_connection || dbus_error_is_set(&error)) {
+        dbus_error_free(&error);
+        libhal_ctx_free(m_halContext);
+        m_halContext = NULL;
+        return false;
+    }
+
+    dbus_connection_set_exit_on_disconnect (dbus_connection, FALSE);
+
+    MainLoopIntegration(dbus_connection);
+    libhal_ctx_set_dbus_connection(m_halContext, dbus_connection);
+
+    // HAL callback functions
+    kdDebug(1219) << "Callback functions" << endl;
+    libhal_ctx_set_device_added(m_halContext, HALBackend::hal_device_added);
+    libhal_ctx_set_device_removed(m_halContext, HALBackend::hal_device_removed);
+    libhal_ctx_set_device_new_capability (m_halContext, NULL);
+    libhal_ctx_set_device_lost_capability (m_halContext, NULL);
+    libhal_ctx_set_device_property_modified (m_halContext, HALBackend::hal_device_property_modified);
+    libhal_ctx_set_device_condition(m_halContext, HALBackend::hal_device_condition);
+
+    kdDebug(1219) << "Context Init" << endl;
+    if (!libhal_ctx_init(m_halContext, &error))
+    {
+        if (dbus_error_is_set(&error))
+            dbus_error_free(&error);
+        libhal_ctx_free(m_halContext);
+        m_halContext = NULL;
+        kdDebug(1219) << "Failed to init HAL context!" << endl;
+        return false;
+    }
+
+    /** @todo customize watch policy */
+    kdDebug(1219) << "Watch properties" << endl;
+    if (!libhal_device_property_watch_all(m_halContext, &error))
+    {
+        kdDebug(1219) << "Failed to watch HAL properties!" << endl;
+        return false;
+    }
+
+    /* libhal-storage initialization */
+    kdDebug(1219) << "Storage Policy" << endl;
+    m_halStoragePolicy = libhal_storage_policy_new();
+    /** @todo define libhal-storage icon policy */
+
+    /* List devices at startup */
+    return ListDevices();
+}
+
+/* List devices (at startup)*/
+bool HALBackend::ListDevices()
+{
+    kdDebug(1219) << "ListDevices" << endl;
+
+    int numDevices;
+    char** halDeviceList = libhal_get_all_devices(m_halContext, &numDevices, NULL);
+
+    if (!halDeviceList)
+        return false;
+
+    kdDebug(1219) << "HALBackend::ListDevices : " << numDevices << " devices found" << endl;
+    for (int i = 0; i < numDevices; i++)
+        AddDevice(halDeviceList[i], false);
+
+    libhal_free_string_array( halDeviceList );
+
+    return true;
+}
+
+/* Create a media instance for the HAL device "udi".
+   This functions checks whether the device is worth listing */
+void HALBackend::AddDevice(const char *udi, bool allowNotification)
+{
+    /* We don't deal with devices that do not expose their capabilities.
+       If we don't check this, we will get a lot of warning messages from libhal */
+    if (!libhal_device_property_exists(m_halContext, udi, "info.capabilities", NULL))
+        return;
+
+    /* If the device is already listed, do not process.
+       This should not happen, but who knows... */
+    /** @todo : refresh properties instead ? */
+    if (m_mediaList.findById(udi))
+        return;
+
+    if (libhal_device_get_property_bool(m_halContext, "/org/freedesktop/Hal/devices/computer", "storage.disable_volume_handling", NULL))
+        allowNotification=false;
+
+    /* Add volume block devices */
+    if (libhal_device_query_capability(m_halContext, udi, "volume", NULL))
+    {
+        /* We only list volume that have a filesystem or volume that have an audio track*/
+        if ( libhal_device_get_property_QString(m_halContext, udi, "volume.fsusage") != "filesystem" &&
+             !libhal_device_get_property_bool(m_halContext, udi, "volume.disc.has_audio", NULL) &&
+             !libhal_device_get_property_bool(m_halContext, udi, "volume.disc.is_blank", NULL) )
+            return;
+
+        /* Query drive udi */
+        QString driveUdi = libhal_device_get_property_QString(m_halContext, udi, "block.storage_device");
+        if ( driveUdi.isNull() ) // no storage - no fun
+            return;
+
+        // if the device is locked do not act upon it
+        if (libhal_device_get_property_bool(m_halContext, driveUdi.ascii(), "info.locked", NULL))
+            allowNotification=false;
+
+        // if the device is locked do not act upon it
+        if (libhal_device_get_property_bool(m_halContext, driveUdi.ascii(), "storage.partition_table_changed", NULL))
+            allowNotification=false;
+
+        /** @todo check exclusion list **/
+
+        /* Create medium */
+        Medium* medium = new Medium(udi, "");
+        setVolumeProperties(medium);
+
+        if ( isInFstab( medium ).isNull() )
+        {
+            // if it's not mountable by user and not by HAL, don't show it at all
+            if ( ( libhal_device_get_property_QString(m_halContext, udi, "volume.fsusage") == "filesystem" &&
+                   !libhal_device_get_property_bool(m_halContext, udi, "volume.is_mounted", NULL ) ) &&
+                 ( libhal_device_get_property_bool(m_halContext, udi, "volume.ignore", NULL ) ) )
+            {
+                delete medium;
+                return;
+            }
+        }
+        QMap<QString,QString> options = MediaManagerUtils::splitOptions(mountoptions(udi));
+        kdDebug() << "automount " << options["automount"] << endl;
+        if (options["automount"] == "true" && allowNotification ) {
+            QString error = mount(medium);
+            if (!error.isEmpty())
+                kdDebug() << "error " << error << endl;
+        }
+        m_mediaList.addMedium(medium, allowNotification);
+
+        return;
+    }
+
+    /* Floppy & zip drives */
+    if (libhal_device_query_capability(m_halContext, udi, "storage", NULL))
+        if ((libhal_device_get_property_QString(m_halContext, udi, "storage.drive_type") == "floppy") ||
+            (libhal_device_get_property_QString(m_halContext, udi, "storage.drive_type") == "zip") ||
+            (libhal_device_get_property_QString(m_halContext, udi, "storage.drive_type") == "jaz"))
+        {
+            if (! libhal_device_get_property_bool(m_halContext, udi, "storage.removable.media_available", NULL) )
+                allowNotification = false;
+            /* Create medium */
+            Medium* medium = new Medium(udi, "");
+            // if the storage has a volume, we ignore it
+            if ( setFloppyProperties(medium) )
+                m_mediaList.addMedium(medium, allowNotification);
+            else
+                delete medium;
+            return;
+        }
+
+    /* Camera handled by gphoto2*/
+    if (libhal_device_query_capability(m_halContext, udi, "camera", NULL) &&
+        ((libhal_device_get_property_QString(m_halContext, udi, "camera.access_method")=="ptp") ||
+
+         (libhal_device_property_exists(m_halContext, udi, "camera.libgphoto2.support", NULL) &&
+          libhal_device_get_property_bool(m_halContext, udi, "camera.libgphoto2.support", NULL)))
+        )
+    {
+        /* Create medium */
+        Medium* medium = new Medium(udi, "");
+        setCameraProperties(medium);
+        m_mediaList.addMedium(medium, allowNotification);
+        return;
+    }
+}
+
+void HALBackend::RemoveDevice(const char *udi)
+{
+    m_mediaList.removeMedium(udi, true);
+}
+
+void HALBackend::ModifyDevice(const char *udi, const char* key)
+{
+    const char* mediumUdi = findMediumUdiFromUdi(udi);
+    if (!mediumUdi)
+        return;
+    bool allowNotification = false;
+    if (strcmp(key, "storage.removable.media_available") == 0)
+        allowNotification = libhal_device_get_property_bool(m_halContext, udi, key, NULL);
+    ResetProperties(mediumUdi, allowNotification);
+}
+
+void HALBackend::DeviceCondition(const char* udi, const char* condition)
+{
+    QString conditionName = QString(condition);
+    kdDebug(1219) << "Processing device condition " << conditionName << " for " << udi << endl;
+
+    if (conditionName == "EjectPressed") {
+        const Medium* medium = m_mediaList.findById(udi);
+        if (!medium) {
+	    /* the ejectpressed appears on the drive and we need to find the volume */
+	    const QPtrList<Medium> medlist = m_mediaList.list();
+	    QPtrListIterator<Medium> it (medlist);
+	    for ( const Medium *current_medium = it.current(); current_medium; current_medium = ++it)
+            {
+                if( current_medium->id().startsWith( "/org/kde" ))
+                    continue;
+		QString driveUdi = libhal_device_get_property_QString(m_halContext, current_medium->id().latin1(), "block.storage_device");
+		if (driveUdi == udi)
+                {
+		    medium = current_medium;
+		    break;
+                }
+            }
+        }
+        if (medium) {
+	    KProcess p;
+	    p << "kio_media_mounthelper" << "-e" << medium->name();
+	    p.start(KProcess::DontCare);
+        }
+    }
+
+    const char* mediumUdi = findMediumUdiFromUdi(udi);
+    kdDebug() << "findMedumUdiFromUdi " << udi << " returned " << mediumUdi << endl;
+    if (!mediumUdi)
+        return;
+
+    /* TODO: Warn the user that (s)he should unmount devices before unplugging */
+    if (conditionName == "VolumeUnmountForced")
+        ResetProperties(mediumUdi);
+
+    /* Reset properties after mounting */
+    if (conditionName == "VolumeMount")
+        ResetProperties(mediumUdi);
+
+    /* Reset properties after unmounting */
+    if (conditionName == "VolumeUnmount")
+        ResetProperties(mediumUdi);
+
+}
+
+void HALBackend::MainLoopIntegration(DBusConnection *dbusConnection)
+{
+    m_dBusQtConnection = new DBusQt::Connection(m_parent);
+    m_dBusQtConnection->dbus_connection_setup_with_qt_main(dbusConnection);
+}
+
+/******************************************
+ ** Properties attribution                **
+ ******************************************/
+
+/* Return the medium udi that should be updated when recieving a call for
+   device udi */
+const char* HALBackend::findMediumUdiFromUdi(const char* udi)
+{
+    /* Easy part : this Udi is already registered as a device */
+    const Medium* medium = m_mediaList.findById(udi);
+    if (medium)
+        return medium->id().ascii();
+
+    /* Hard part : this is a volume whose drive is registered */
+    if (libhal_device_property_exists(m_halContext, udi, "info.capabilities", NULL))
+        if (libhal_device_query_capability(m_halContext, udi, "volume", NULL))
+        {
+            QString driveUdi = libhal_device_get_property_QString(m_halContext, udi, "block.storage_device");
+            return findMediumUdiFromUdi(driveUdi.ascii());
+        }
+
+    return NULL;
+}
+
+void HALBackend::ResetProperties(const char* mediumUdi, bool allowNotification)
+{
+    kdDebug(1219) << "HALBackend::setProperties" << endl;
+    if ( QString::fromLatin1( mediumUdi ).startsWith( "/org/kde/" ) )
+    {
+        const Medium *cmedium = m_mediaList.findById(mediumUdi);
+        if ( cmedium )
+        {
+            Medium m( *cmedium );
+            if ( setFstabProperties( &m ) ) {
+                kdDebug() << "setFstabProperties worked" << endl;
+                m_mediaList.changeMediumState(m, allowNotification);
+            }
+            return;
+       }
+    }
+
+    Medium* m = new Medium(mediumUdi, "");
+
+    if (libhal_device_query_capability(m_halContext, mediumUdi, "volume", NULL))
+        setVolumeProperties(m);
+    if (libhal_device_query_capability(m_halContext, mediumUdi, "storage", NULL))
+        setFloppyProperties(m);
+    if (libhal_device_query_capability(m_halContext, mediumUdi, "camera", NULL))
+        setCameraProperties(m);
+
+    m_mediaList.changeMediumState(*m, allowNotification);
+
+    delete m;
+}
+
+void HALBackend::setVolumeProperties(Medium* medium)
+{
+    kdDebug(1219) << "HALBackend::setVolumeProperties for " << medium->id() << endl;
+
+    const char* udi = medium->id().ascii();
+    /* Check if the device still exists */
+    if (!libhal_device_exists(m_halContext, udi, NULL))
+        return;
+
+    /* Get device information from libhal-storage */
+    LibHalVolume* halVolume = libhal_volume_from_udi(m_halContext, udi);
+    if (!halVolume)
+        return;
+    QString driveUdi = libhal_volume_get_storage_device_udi(halVolume);
+    LibHalDrive*  halDrive  = 0;
+    if ( !driveUdi.isNull() )
+        halDrive = libhal_drive_from_udi(m_halContext, driveUdi.ascii());
+    if (!halDrive) {
+        // at times HAL sends an UnmountForced event before the device is removed
+        libhal_volume_free(halVolume);
+        return;
+    }
+
+    medium->setName(
+        generateName(libhal_volume_get_device_file(halVolume)) );
+
+    medium->mountableState(
+        libhal_volume_get_device_file(halVolume),		/* Device node */
+        libhal_volume_get_mount_point(halVolume),		/* Mount point */
+        libhal_volume_get_fstype(halVolume),			/* Filesystem type */
+        libhal_volume_is_mounted(halVolume) );			/* Mounted ? */
+
+    char* name = libhal_volume_policy_compute_display_name(halDrive, halVolume, m_halStoragePolicy);
+    QString volume_name = QString::fromUtf8(name);
+    QString media_name = volume_name;
+    medium->setLabel(media_name);
+    free(name);
+
+    QString mimeType;
+    if (libhal_volume_is_disc(halVolume))
+    {
+        mimeType = "media/cdrom" + MOUNT_SUFFIX;
+
+        LibHalVolumeDiscType discType = libhal_volume_get_disc_type(halVolume);
+        if ((discType == LIBHAL_VOLUME_DISC_TYPE_CDROM) ||
+            (discType == LIBHAL_VOLUME_DISC_TYPE_CDR) ||
+            (discType == LIBHAL_VOLUME_DISC_TYPE_CDRW))
+            if (libhal_volume_disc_is_blank(halVolume))
+            {
+                mimeType = "media/blankcd";
+                medium->unmountableState("");
+            }
+            else
+                mimeType = "media/cdwriter" + MOUNT_SUFFIX;
+
+        if ((discType == LIBHAL_VOLUME_DISC_TYPE_DVDROM) || (discType == LIBHAL_VOLUME_DISC_TYPE_DVDRAM) ||
+            (discType == LIBHAL_VOLUME_DISC_TYPE_DVDR) || (discType == LIBHAL_VOLUME_DISC_TYPE_DVDRW) ||
+            (discType == LIBHAL_VOLUME_DISC_TYPE_DVDPLUSR) || (discType == LIBHAL_VOLUME_DISC_TYPE_DVDPLUSRW) )
+            if (libhal_volume_disc_is_blank(halVolume))
+            {
+                mimeType = "media/blankdvd";
+                medium->unmountableState("");
+            }
+            else
+                mimeType = "media/dvd" + MOUNT_SUFFIX;
+
+        if (libhal_volume_disc_has_audio(halVolume) && !libhal_volume_disc_has_data(halVolume))
+        {
+            mimeType = "media/audiocd";
+            medium->unmountableState( "audiocd:/?device=" + QString(libhal_volume_get_device_file(halVolume)) );
+        }
+
+        medium->setIconName(QString::null);
+
+        /* check if the disc id a vcd or a video dvd */
+        DiscType type = LinuxCDPolling::identifyDiscType(libhal_volume_get_device_file(halVolume));
+        switch (type)
+        {
+        case DiscType::VCD:
+            mimeType = "media/vcd";
+            break;
+        case DiscType::SVCD:
+            mimeType = "media/svcd";
+            break;
+        case DiscType::DVD:
+            mimeType = "media/dvdvideo";
+            break;
+        }
+    }
+    else
+    {
+        mimeType = "media/hdd" + MOUNT_SUFFIX;
+        medium->setIconName(QString::null); // reset icon
+        if (libhal_drive_is_hotpluggable(halDrive))
+        {
+            mimeType = "media/removable" + MOUNT_SUFFIX;
+            medium->needMounting();
+            switch (libhal_drive_get_type(halDrive)) {
+            case LIBHAL_DRIVE_TYPE_COMPACT_FLASH:
+                medium->setIconName("compact_flash" + MOUNT_ICON_SUFFIX);
+                break;
+            case LIBHAL_DRIVE_TYPE_MEMORY_STICK:
+                medium->setIconName("memory_stick" + MOUNT_ICON_SUFFIX);
+                break;
+            case LIBHAL_DRIVE_TYPE_SMART_MEDIA:
+                medium->setIconName("smart_media" + MOUNT_ICON_SUFFIX);
+                break;
+            case LIBHAL_DRIVE_TYPE_SD_MMC:
+                medium->setIconName("sd_mmc" + MOUNT_ICON_SUFFIX);
+                break;
+            case LIBHAL_DRIVE_TYPE_PORTABLE_AUDIO_PLAYER:
+            {
+                medium->setIconName("ipod" + MOUNT_ICON_SUFFIX);
+                break;
+            }
+            case LIBHAL_DRIVE_TYPE_CAMERA:
+            {
+                mimeType = "media/camera" + MOUNT_SUFFIX;
+                const char *physdev = libhal_drive_get_physical_device_udi(halDrive);
+                // get model from camera
+                if (physdev && libhal_device_query_capability(m_halContext, physdev, "camera", NULL))
+                {
+                    if (libhal_device_property_exists(m_halContext, physdev, "usb_device.product", NULL))
+                        medium->setLabel(libhal_device_get_property_QString(m_halContext, physdev, "usb_device.product"));
+                    else if (libhal_device_property_exists(m_halContext, physdev, "usb.product", NULL))
+                        medium->setLabel(libhal_device_get_property_QString(m_halContext, physdev, "usb.product"));
+                }
+                break;
+            }
+            case LIBHAL_DRIVE_TYPE_TAPE:
+                medium->setIconName(QString::null); //FIXME need icon
+                break;
+            default:
+                medium->setIconName(QString::null);
+            }
+
+            if (medium->isMounted() && QFile::exists(medium->mountPoint() + "/dcim"))
+            {
+                mimeType = "media/camera" + MOUNT_SUFFIX;
+            }
+        }
+    }
+    medium->setMimeType(mimeType);
+
+    libhal_drive_free(halDrive);
+    libhal_volume_free(halVolume);
+}
+
+bool HALBackend::setFstabProperties( Medium *medium )
+{
+    QString mp = isInFstab(medium);
+
+    if (!mp.isNull() && !medium->id().startsWith( "/org/kde" ) )
+    {
+        // now that we know it's in fstab, we have to find out if it's mounted
+        KMountPoint::List mtab = KMountPoint::currentMountPoints();
+
+        KMountPoint::List::iterator it = mtab.begin();
+        KMountPoint::List::iterator end = mtab.end();
+
+        bool mounted = false;
+
+        for (; it!=end; ++it)
+        {
+            if ((*it)->mountedFrom() == medium->deviceNode() && (*it)->mountPoint() == mp )
+            {
+                mounted = true;
+                break;
+            }
+        }
+
+        kdDebug() << mp << " " << mounted << " " << medium->deviceNode() << " " <<  endl;
+        QString fstype = medium->fsType();
+        if ( fstype.isNull() )
+            fstype = "auto";
+
+        medium->mountableState(
+            medium->deviceNode(),
+            mp,							/* Mount point */
+            fstype,						/* Filesystem type */
+            mounted );						/* Mounted ? */
+
+        return true;
+    }
+
+    return false;
+
+}
+
+// Handle floppies and zip drives
+bool HALBackend::setFloppyProperties(Medium* medium)
+{
+    kdDebug(1219) << "HALBackend::setFloppyProperties for " << medium->id() << endl;
+
+    const char* udi = medium->id().ascii();
+    /* Check if the device still exists */
+    if (!libhal_device_exists(m_halContext, udi, NULL))
+        return false;
+
+    LibHalDrive*  halDrive  = libhal_drive_from_udi(m_halContext, udi);
+    if (!halDrive)
+        return false;
+
+    QString drive_type = libhal_device_get_property_QString(m_halContext, udi, "storage.drive_type");
+
+    if (drive_type == "zip") {
+        int numVolumes;
+        char** volumes = libhal_drive_find_all_volumes(m_halContext, halDrive, &numVolumes);
+        libhal_free_string_array(volumes);
+        kdDebug(1219) << " found " << numVolumes << " volumes" << endl;
+        if (numVolumes)
+        {
+            libhal_drive_free(halDrive);
+            return false;
+        }
+    }
+
+    medium->setName( generateName(libhal_drive_get_device_file(halDrive)) );
+    medium->setLabel(i18n("Unknown Drive"));
+
+    // HAL hates floppies - so we have to do it twice ;(
+    medium->mountableState(libhal_drive_get_device_file(halDrive), QString::null, QString::null, false);
+    setFloppyMountState(medium);
+
+    if (drive_type == "floppy")
+    {
+        if (medium->isMounted()) // don't use _SUFFIX here as it accesses the volume
+            medium->setMimeType("media/floppy_mounted" );
+        else
+            medium->setMimeType("media/floppy_unmounted");
+        medium->setLabel(i18n("Floppy Drive"));
+    }
+    else if (drive_type == "zip") 
+    {
+        if (medium->isMounted())
+            medium->setMimeType("media/zip_mounted" );
+        else
+            medium->setMimeType("media/zip_unmounted");
+        medium->setLabel(i18n("Zip Drive"));
+    }
+
+    /** @todo And mimtype for JAZ drives ? */
+
+    medium->setIconName(QString::null);
+
+    libhal_drive_free(halDrive);
+
+    return true;
+}
+
+void HALBackend::setFloppyMountState( Medium *medium )
+{
+    if ( !medium->id().startsWith( "/org/kde" ) )
+    {
+        KMountPoint::List mtab = KMountPoint::currentMountPoints();
+        KMountPoint::List::iterator it = mtab.begin();
+        KMountPoint::List::iterator end = mtab.end();
+
+        QString fstype;
+        QString mountpoint;
+        for (; it!=end; ++it)
+        {
+            if ((*it)->mountedFrom() == medium->deviceNode() )
+            {
+                fstype = (*it)->mountType().isNull() ? (*it)->mountType() : "auto";
+                mountpoint = (*it)->mountPoint();
+                medium->mountableState( medium->deviceNode(), mountpoint, fstype, true );
+                return;
+            }
+        }
+    }
+}
+
+void HALBackend::setCameraProperties(Medium* medium)
+{
+    kdDebug(1219) << "HALBackend::setCameraProperties for " << medium->id() << endl;
+
+    const char* udi = medium->id().ascii();
+    /* Check if the device still exists */
+    if (!libhal_device_exists(m_halContext, udi, NULL))
+        return;
+
+    /** @todo find name */
+    medium->setName("camera");
+
+    QString device = "camera:/";
+
+    char *cam = libhal_device_get_property_string(m_halContext, udi, "camera.libgphoto2.name", NULL);
+    DBusError error;
+    dbus_error_init(&error);
+    if (cam &&
+        libhal_device_property_exists(m_halContext, udi, "usb.linux.device_number", NULL) &&
+        libhal_device_property_exists(m_halContext, udi, "usb.bus_number", NULL))
+        device.sprintf("camera://%s@[usb:%03d,%03d]/", cam,
+                       libhal_device_get_property_int(m_halContext, udi, "usb.bus_number", &error),
+                       libhal_device_get_property_int(m_halContext, udi, "usb.linux.device_number", &error));
+
+    libhal_free_string(cam);
+
+    /** @todo find the rest of this URL */
+    medium->unmountableState(device);
+    medium->setMimeType("media/gphoto2camera");
+    medium->setIconName(QString::null);
+    if (libhal_device_property_exists(m_halContext, udi, "usb_device.product", NULL))
+        medium->setLabel(libhal_device_get_property_QString(m_halContext, udi, "usb_device.product"));
+    else if (libhal_device_property_exists(m_halContext, udi, "usb.product", NULL))
+        medium->setLabel(libhal_device_get_property_QString(m_halContext, udi, "usb.product"));
+    else
+        medium->setLabel(i18n("Camera"));
+}
+
+QString HALBackend::generateName(const QString &devNode)
+{
+    return KURL(devNode).fileName();
+}
+
+/******************************************
+ ** HAL CALL-BACKS                        **
+ ******************************************/
+
+void HALBackend::hal_device_added(LibHalContext *ctx, const char *udi)
+{
+    kdDebug(1219) << "HALBackend::hal_device_added " << udi <<  endl;
+    Q_UNUSED(ctx);
+    s_HALBackend->AddDevice(udi);
+}
+
+void HALBackend::hal_device_removed(LibHalContext *ctx, const char *udi)
+{
+    kdDebug(1219) << "HALBackend::hal_device_removed " << udi << endl;
+    Q_UNUSED(ctx);
+    s_HALBackend->RemoveDevice(udi);
+}
+
+void HALBackend::hal_device_property_modified(LibHalContext *ctx, const char *udi,
+                                              const char *key, dbus_bool_t is_removed, dbus_bool_t is_added)
+{
+    kdDebug(1219) << "HALBackend::hal_property_modified " << udi << " -- " << key << endl;
+    Q_UNUSED(ctx);
+    Q_UNUSED(is_removed);
+    Q_UNUSED(is_added);
+    s_HALBackend->ModifyDevice(udi, key);
+}
+
+void HALBackend::hal_device_condition(LibHalContext *ctx, const char *udi,
+                                      const char *condition_name,
+                                      const char* message
+    )
+{
+    kdDebug(1219) << "HALBackend::hal_device_condition " << udi << " -- " << condition_name << endl;
+    Q_UNUSED(ctx);
+    Q_UNUSED(message);
+    s_HALBackend->DeviceCondition(udi, condition_name);
+}
+
+QStringList HALBackend::mountoptions(const QString &name)
+{
+    const Medium* medium = m_mediaList.findById(name);
+    if (medium && !isInFstab(medium).isNull())
+        return QStringList(); // not handled by HAL - fstab entry
+
+    KConfig config("mediamanagerrc");
+    config.setGroup(name);
+
+    char ** array = libhal_device_get_property_strlist(m_halContext, name.latin1(), "volume.mount.valid_options", NULL);
+    QMap<QString,bool> valids;
+
+    for (int index = 0; array && array[index]; ++index) {
+        QString t = array[index];
+        if (t.endsWith("="))
+            t = t.left(t.length() - 1);
+        valids[t] = true;
+        kdDebug() << "valid " << t << endl;
+    }
+    libhal_free_string_array(array);
+    QStringList result;
+    QString tmp;
+
+    QString fstype = libhal_device_get_property_QString(m_halContext, name.latin1(), "volume.fstype");
+    if (fstype.isNull())
+        fstype = libhal_device_get_property_QString(m_halContext, name.latin1(), "volume.policy.mount_filesystem");
+
+    QString drive_udi = libhal_device_get_property_QString(m_halContext, name.latin1(), "block.storage_device");
+
+    bool removable = false;
+    if ( !drive_udi.isNull() )
+        removable = libhal_device_get_property_bool(m_halContext, drive_udi.latin1(), "storage.removable", NULL)
+                     || libhal_device_get_property_bool(m_halContext, drive_udi.latin1(), "storage.hotpluggable", NULL);
+
+    config.setGroup(drive_udi);
+    bool value = config.readBoolEntry("automount", false);
+    config.setGroup(name);
+
+    if (libhal_device_get_property_bool(m_halContext, name.latin1(), "volume.disc.is_blank", NULL)
+        || libhal_device_get_property_bool(m_halContext, name.latin1(), "volume.disc.is_vcd", NULL)
+        || libhal_device_get_property_bool(m_halContext, name.latin1(), "volume.disc.is_svcd", NULL)
+        || libhal_device_get_property_bool(m_halContext, name.latin1(), "volume.disc.is_videodvd", NULL)
+        || libhal_device_get_property_bool(m_halContext, name.latin1(), "volume.disc.has_audio", NULL))
+        value = false;
+
+    result << QString("automount=%1").arg(value ? "true" : "false");
+
+    if (valids.contains("ro"))
+    {
+        value = config.readBoolEntry("ro", false);
+        tmp = QString("ro=%1").arg(value ? "true" : "false");
+        if (fstype != "iso9660") // makes no sense
+            result << tmp;
+    }
+
+    if (valids.contains("quiet"))
+    {
+        value = config.readBoolEntry("quiet", false);
+        tmp = QString("quiet=%1").arg(value ? "true" : "false");
+        if (fstype != "iso9660") // makes no sense
+            result << tmp;
+    }
+
+    if (valids.contains("flush"))
+    {
+        value = config.readBoolEntry("flush", fstype.endsWith("fat"));
+        tmp = QString("flush=%1").arg(value ? "true" : "false");
+        result << tmp;
+    }
+
+    if (valids.contains("uid"))
+    {
+        value = config.readBoolEntry("uid", true);
+        tmp = QString("uid=%1").arg(value ? "true" : "false");
+        result << tmp;
+    }
+
+    if (valids.contains("utf8"))
+    {
+        value = config.readBoolEntry("utf8", true);
+        tmp = QString("utf8=%1").arg(value ? "true" : "false");
+        result << tmp;
+    }
+
+    if (valids.contains("shortname"))
+    {
+        QString svalue = config.readEntry("shortname", "lower").lower();
+        if (svalue == "winnt")
+            result << "shortname=winnt";
+        else if (svalue == "win95")
+            result << "shortname=win95";
+        else if (svalue == "mixed")
+            result << "shortname=mixed";
+        else
+            result << "shortname=lower";
+    }
+
+    // pass our locale to the ntfs-3g driver so it can translate local characters
+    if (valids.contains("locale") && fstype == "ntfs-3g")
+    {
+        // have to obtain LC_CTYPE as returned by the `locale` command
+        // check in the same order as `locale` does
+        char *cType;
+        if ( (cType = getenv("LC_ALL")) || (cType = getenv("LC_CTYPE")) || (cType = getenv("LANG")) ) {
+            result << QString("locale=%1").arg(cType);
+        }
+    }
+
+    if (valids.contains("sync"))
+    {
+        value = config.readBoolEntry("sync", ( valids.contains("flush") && !fstype.endsWith("fat") ) && removable);
+        tmp = QString("sync=%1").arg(value ? "true" : "false");
+        if (fstype != "iso9660") // makes no sense
+            result << tmp;
+    }
+
+    if (valids.contains("noatime"))
+    {
+        value = config.readBoolEntry("atime", !fstype.endsWith("fat"));
+        tmp = QString("atime=%1").arg(value ? "true" : "false");
+        if (fstype != "iso9660") // makes no sense
+            result << tmp;
+    }
+
+    QString mount_point = libhal_device_get_property_QString(m_halContext, name.latin1(), "volume.mount_point");
+    if (mount_point.isEmpty())
+        mount_point = libhal_device_get_property_QString(m_halContext, name.latin1(), "volume.policy.desired_mount_point");
+
+    mount_point = config.readEntry("mountpoint", mount_point);
+
+    if (!mount_point.startsWith("/"))
+        mount_point = "/media/" + mount_point;
+
+    result << QString("mountpoint=%1").arg(mount_point);
+    result << QString("filesystem=%1").arg(fstype);
+
+    if (valids.contains("data"))
+    {
+        QString svalue = config.readEntry("journaling").lower();
+        if (svalue == "ordered")
+            result << "journaling=ordered";
+        else if (svalue == "writeback")
+            result << "journaling=writeback";
+        else if (svalue == "data")
+            result << "journaling=data";
+        else
+            result << "journaling=ordered";
+    }
+
+    return result;
+}
+
+bool HALBackend::setMountoptions(const QString &name, const QStringList &options )
+{
+    kdDebug() << "setMountoptions " << name << " " << options << endl;
+
+    KConfig config("mediamanagerrc");
+    config.setGroup(name);
+
+    QMap<QString,QString> valids = MediaManagerUtils::splitOptions(options);
+
+    const char *names[] = { "ro", "quiet", "atime", "uid", "utf8", "flush", "sync", 0 };
+    for (int index = 0; names[index]; ++index)
+        if (valids.contains(names[index]))
+            config.writeEntry(names[index], valids[names[index]] == "true");
+
+    if (valids.contains("shortname"))
+        config.writeEntry("shortname", valids["shortname"]);
+
+    if (valids.contains("journaling"))
+        config.writeEntry("journaling", valids["journaling"]);
+
+    if (!mountoptions(name).contains(QString("mountpoint=%1").arg(valids["mountpoint"])))
+        config.writeEntry("mountpoint", valids["mountpoint"]);
+
+    if (valids.contains("automount")) {
+        QString drive_udi = libhal_device_get_property_QString(m_halContext, name.latin1(), "block.storage_device");
+        config.setGroup(drive_udi);
+        config.writeEntry("automount", valids["automount"]);
+    }
+
+    return true;
+}
+
+static QString mount_priv(const char *udi, const char *mount_point, const char **poptions, int noptions,
+			  DBusConnection *dbus_connection)
+{
+    DBusMessage *dmesg, *reply;
+    DBusError error;
+
+    const char *fstype = "";
+    if (!(dmesg = dbus_message_new_method_call ("org.freedesktop.Hal", udi,
+                                                "org.freedesktop.Hal.Device.Volume",
+                                                "Mount"))) {
+        kdDebug() << "mount failed for " << udi << ": could not create dbus message\n";
+        return i18n("Internal Error");
+    }
+
+    if (!dbus_message_append_args (dmesg, DBUS_TYPE_STRING, &mount_point, DBUS_TYPE_STRING, &fstype,
+                                   DBUS_TYPE_ARRAY, DBUS_TYPE_STRING, &poptions, noptions,
+                                   DBUS_TYPE_INVALID))
+    {
+        kdDebug() << "mount failed for " << udi << ": could not append args to dbus message\n";
+        dbus_message_unref (dmesg);
+        return i18n("Internal Error");
+    }
+
+    QString qerror;
+
+    dbus_error_init (&error);
+    if (!(reply = dbus_connection_send_with_reply_and_block (dbus_connection, dmesg, -1, &error)))
+    {
+        QString qerror = error.message;
+        kdError() << "mount failed for " << udi << ": " << error.name << " - " << qerror << endl;
+        if ( !strcmp(error.name, "org.freedesktop.Hal.Device.Volume.UnknownFilesystemType"))
+            qerror = i18n("Invalid filesystem type");
+        else if ( !strcmp(error.name, "org.freedesktop.Hal.Device.Volume.PermissionDenied"))
+            qerror = i18n("Permissions denied");
+        else if ( !strcmp(error.name, "org.freedesktop.Hal.Device.Volume.AlreadyMounted"))
+            qerror = i18n("Device is already mounted.");
+        else if ( !strcmp(error.name, "org.freedesktop.Hal.Device.Volume.InvalidMountpoint") && strlen(mount_point)) {
+            dbus_message_unref (dmesg);
+            dbus_error_free (&error);
+            return mount_priv(udi, "", poptions, noptions, dbus_connection);
+        }
+        dbus_message_unref (dmesg);
+        dbus_error_free (&error);
+        return qerror;
+    }
+
+    kdDebug() << "mount queued for " << udi << endl;
+
+    dbus_message_unref (dmesg);
+    dbus_message_unref (reply);
+
+    return qerror;
+
+}
+
+QString HALBackend::listUsingProcesses(const Medium* medium)
+{
+    QString proclist, fullmsg;
+    QString cmdline = QString("/usr/bin/env fuser -vm %1 2>&1").arg(KProcess::quote(medium->mountPoint()));
+    FILE *fuser = popen(cmdline.latin1(), "r");
+
+    uint counter = 0;
+    if (fuser) {
+        proclist += "<pre>";
+        QTextIStream is(fuser);
+        QString tmp;
+        while (!is.atEnd()) {
+            tmp = is.readLine();
+            tmp = QStyleSheet::escape(tmp) + "\n";
+
+            proclist += tmp;
+            if (counter++ > 10)
+            {
+                proclist += "...";
+                break;
+            }
+        }
+        proclist += "</pre>";
+        (void)pclose( fuser );
+    }
+    if (counter) {
+        fullmsg = i18n("Moreover, programs still using the device "
+            "have been detected. They are listed below. You have to "
+            "close them or change their working directory before "
+            "attempting to unmount the device again.");
+        fullmsg += "<br>" + proclist;
+        return fullmsg;
+    } else {
+        return QString::null;
+    }
+}
+
+void HALBackend::slotResult(KIO::Job *job)
+{
+    kdDebug() << "slotResult " << mount_jobs[job] << endl;
+
+    struct mount_job_data *data = mount_jobs[job];
+    QString& qerror = data->errorMessage;
+    const Medium* medium = data->medium;
+
+    if (job->error() == KIO::ERR_COULD_NOT_UNMOUNT) {
+        QString proclist(listUsingProcesses(medium));
+
+        qerror = "<qt>";
+        qerror += "<p>" + i18n("Unfortunately, the device <b>%1</b> (%2) named <b>'%3'</b> and "
+                       "currently mounted at <b>%4</b> could not be unmounted. ").arg(
+                          "system:/media/" + medium->name(),
+                          medium->deviceNode(),
+                          medium->prettyLabel(),
+                          medium->prettyBaseURL().pathOrURL()) + "</p>";
+        qerror += "<p>" + i18n("The following error was returned by umount command:");
+        qerror += "</p><pre>" + job->errorText() + "</pre>";
+
+        if (!proclist.isEmpty()) {
+            qerror += proclist;
+        }
+        qerror += "</qt>";
+    } else if (job->error()) {
+        qerror = job->errorText();
+    }
+
+    ResetProperties( medium->id().latin1() );
+    mount_jobs.remove(job);
+
+    /* Job completed. Notify the caller */
+    data->error = job->error();
+    data->completed = true;
+    kapp->eventLoop()->exitLoop();
+}
+
+QString HALBackend::isInFstab(const Medium *medium)
+{
+    KMountPoint::List fstab = KMountPoint::possibleMountPoints(KMountPoint::NeedMountOptions|KMountPoint::NeedRealDeviceName);
+
+    KMountPoint::List::iterator it = fstab.begin();
+    KMountPoint::List::iterator end = fstab.end();
+
+    for (; it!=end; ++it)
+    {
+        QString reald = (*it)->realDeviceName();
+        if ( reald.endsWith( "/" ) )
+            reald = reald.left( reald.length() - 1 );
+        kdDebug() << "isInFstab -" << medium->deviceNode() << "- -" << reald << "- -" << (*it)->mountedFrom() << "-" << endl;
+        if ((*it)->mountedFrom() == medium->deviceNode() || ( !medium->deviceNode().isEmpty() && reald == medium->deviceNode() ) )
+	{
+            QStringList opts = (*it)->mountOptions();
+            if (opts.contains("user") || opts.contains("users"))
+                return (*it)->mountPoint();
+        }
+    }
+
+    return QString::null;
+}
+
+QString HALBackend::mount(const Medium *medium)
+{
+    if (medium->isMounted())
+        return QString(); // that was easy
+
+    QString mountPoint = isInFstab(medium);
+    if (!mountPoint.isNull())
+    {
+        struct mount_job_data data;
+        data.completed = false;
+        data.medium = medium;
+
+        kdDebug() << "triggering user mount " << medium->deviceNode() << " " << mountPoint << " " << medium->id() << endl;
+        KIO::Job *job = KIO::mount( false, 0, medium->deviceNode(), mountPoint );
+        connect(job, SIGNAL( result (KIO::Job *)),
+                SLOT( slotResult( KIO::Job *)));
+        mount_jobs[job] = &data;
+        // The caller expects the device to be mounted when the function
+        // completes. Thus block until the job completes.
+        while (!data.completed) {
+            kapp->eventLoop()->enterLoop();
+        }
+        // Return the error message (if any) to the caller
+        return (data.error) ? data.errorMessage : QString::null;
+
+    } else if (medium->id().startsWith("/org/kde/") )
+	    return i18n("Permissions denied");
+
+    QStringList soptions;
+
+    kdDebug() << "mounting " << medium->id() << "..." << endl;
+
+    QMap<QString,QString> valids = MediaManagerUtils::splitOptions(mountoptions(medium->id()));
+    if (valids["flush"] == "true")
+        soptions << "flush";
+
+    if (valids["uid"] == "true")
+    {
+        soptions << QString("uid=%1").arg(getuid());
+    }
+
+    if (valids["ro"] == "true")
+        soptions << "ro";
+
+    if (valids["atime"] != "true")
+        soptions << "noatime";
+
+    if (valids["quiet"] == "true")
+        soptions << "quiet";
+
+    if (valids["utf8"] == "true")
+        soptions << "utf8";
+
+    if (valids["sync"] == "true")
+        soptions << "sync";
+
+    QString mount_point = valids["mountpoint"];
+    if (mount_point.startsWith("/media/"))
+        mount_point = mount_point.mid(7);
+
+    if (valids.contains("shortname"))
+    {
+        soptions << QString("shortname=%1").arg(valids["shortname"]);
+    }
+
+    if (valids.contains("locale"))
+    {
+        soptions << QString("locale=%1").arg(valids["locale"]);
+    }
+
+    if (valids.contains("journaling"))
+    {
+        QString option = valids["journaling"];
+        if (option == "data")
+            soptions << QString("data=journal");
+        else if (option == "writeback")
+            soptions << QString("data=writeback");
+        else
+            soptions << QString("data=ordered");
+    }
+
+    const char **options = new const char*[soptions.size() + 1];
+    uint noptions = 0;
+    for (QStringList::ConstIterator it = soptions.begin(); it != soptions.end(); ++it, ++noptions)
+        options[noptions] = (*it).latin1();
+    options[noptions] = NULL;
+
+    QString qerror = mount_priv(medium->id().latin1(), mount_point.utf8(), options, noptions, dbus_connection);
+    if (!qerror.isEmpty()) {
+        kdError() << "mounting " << medium->id() << " returned " << qerror << endl;
+        return qerror;
+    }
+
+    medium->setHalMounted(true);
+    ResetProperties(medium->id().latin1());
+
+    return QString();
+}
+
+QString HALBackend::mount(const QString &_udi)
+{
+    const Medium* medium = m_mediaList.findById(_udi);
+    if (!medium)
+        return i18n("No such medium: %1").arg(_udi);
+
+    return mount(medium);
+}
+
+QString HALBackend::unmount(const QString &_udi)
+{
+    const Medium* medium = m_mediaList.findById(_udi);
+    if (!medium)
+    {   // now we get fancy: if the udi is no volume, it _might_ be a device with only one
+        // volume on it (think CDs) - so we're so nice to the caller to unmount that volume
+        LibHalDrive*  halDrive  = libhal_drive_from_udi(m_halContext, _udi.latin1());
+        if (halDrive)
+        {
+            int numVolumes;
+            char** volumes = libhal_drive_find_all_volumes(m_halContext, halDrive, &numVolumes);
+            if (numVolumes == 1)
+                medium = m_mediaList.findById( volumes[0] );
+        }
+    }
+
+    if ( !medium )
+        return i18n("No such medium: %1").arg(_udi);
+
+    if (!medium->isMounted())
+        return QString(); // that was easy
+
+    QString mountPoint = isInFstab(medium);
+    if (!mountPoint.isNull())
+    {
+        struct mount_job_data data;
+        data.completed = false;
+        data.medium = medium;
+
+        kdDebug() << "triggering user unmount " << medium->deviceNode() << " " << mountPoint << endl;
+        KIO::Job *job = KIO::unmount( medium->mountPoint(), false );
+        connect(job, SIGNAL( result (KIO::Job *)),
+                SLOT( slotResult( KIO::Job *)));
+        mount_jobs[job] = &data;
+        // The caller expects the device to be unmounted when the function
+        // completes. Thus block until the job completes.
+        while (!data.completed) {
+            kapp->eventLoop()->enterLoop();
+        }
+        // Return the error message (if any) to the caller
+        return (data.error) ? data.errorMessage : QString::null;
+    }
+
+    DBusMessage *dmesg, *reply;
+    DBusError error;
+    const char *options[2];
+
+    const char *udi = medium->id().latin1();
+    kdDebug() << "unmounting " << udi << "..." << endl;
+
+    dbus_error_init(&error);
+    DBusConnection *dbus_connection = dbus_bus_get(DBUS_BUS_SYSTEM, &error);
+    if (dbus_error_is_set(&error))
+    {
+        dbus_error_free(&error);
+        return false;
+    }
+
+    if (!(dmesg = dbus_message_new_method_call ("org.freedesktop.Hal", udi,
+                                                "org.freedesktop.Hal.Device.Volume",
+                                                "Unmount"))) {
+        kdDebug() << "unmount failed for " << udi << ": could not create dbus message\n";
+        return i18n("Internal Error");
+    }
+
+    options[0] = "force";
+    options[1] = 0;
+
+    if (!dbus_message_append_args (dmesg, DBUS_TYPE_ARRAY, DBUS_TYPE_STRING, &options, 0,
+                                   DBUS_TYPE_INVALID))
+    {
+        kdDebug() << "unmount failed for " << udi << ": could not append args to dbus message\n";
+        dbus_message_unref (dmesg);
+        return i18n("Internal Error");
+    }
+
+    dbus_error_init (&error);
+    if (!(reply = dbus_connection_send_with_reply_and_block (dbus_connection, dmesg, -1, &error)))
+    {
+        QString qerror, reason;
+
+        kdDebug() << "unmount failed for " << udi << ": " << error.name << " " << error.message << endl;
+        qerror = "<qt>";
+        qerror += "<p>" + i18n("Unfortunately, the device <b>%1</b> (%2) named <b>'%3'</b> and "
+                       "currently mounted at <b>%4</b> could not be unmounted. ").arg(
+                          "system:/media/" + medium->name(),
+                          medium->deviceNode(),
+                          medium->prettyLabel(),
+                          medium->prettyBaseURL().pathOrURL()) + "</p>";
+        qerror += "<p>" + i18n("Unmounting failed due to the following error:") + "</p>";
+        if (!strcmp(error.name, "org.freedesktop.Hal.Device.Volume.Busy")) {
+            reason = i18n("Device is Busy:");
+        } else if (!strcmp(error.name, "org.freedesktop.Hal.Device.Volume.NotMounted")) {
+            // this is faking. The error is that the device wasn't mounted by hal (but by the system)
+            reason = i18n("Permissions denied");
+        } else {
+            reason = error.message;
+        }
+        qerror += "<p><b>" + reason + "</b></p>";
+
+        // Include list of processes (if any) using the device in the error message
+        reason = listUsingProcesses(medium);
+        if (!reason.isEmpty()) {
+            qerror += reason;
+        }
+
+        dbus_message_unref (dmesg);
+        dbus_error_free (&error);
+        return qerror;
+    }
+
+    kdDebug() << "unmount queued for " << udi << endl;
+
+    dbus_message_unref (dmesg);
+    dbus_message_unref (reply);
+
+    medium->setHalMounted(false);
+    ResetProperties(udi);
+
+    return QString();
+}
+
+#include "halbackend.moc"