C++ solid::Device类代码示例

bool SmbDeviceHandlerFactory::canHandle( const Solid::Device &device ) const
{
    const Solid::NetworkShare *share = device.as<Solid::NetworkShare>();
    if( !share )
    {
        debug() << __PRETTY_FUNCTION__ << device.udi() << "has no NetworkShare interface";
        return false;
    }
    if( share->type() != Solid::NetworkShare::Cifs )
    {
        debug() << __PRETTY_FUNCTION__ << device.udi() << "has type" << share->type()
                << "but smbfs/cifs type is" << Solid::NetworkShare::Cifs;
        return false;
    }
    const Solid::StorageAccess *access = device.as<Solid::StorageAccess>();
    if( !access )
    {
        debug() << __PRETTY_FUNCTION__ << device.udi() << "has no StorageAccess interface";
        return false;
    }
    if( !access->isAccessible() || access->filePath().isEmpty() )
    {
        debug() << __PRETTY_FUNCTION__ << device.udi() << "is not accessible"
                << "or has empty mount-point";
        return false;
    }
    return true;
}

int main(int argc, char **argv)
{
    QCoreApplication app(argc, argv);
    KComponentData data("tutorial5");

    //get a Network Device
    QList<Solid::Device> netlist = Solid::Device::listFromType(Solid::DeviceInterface::NetworkInterface, QString());

    //check to see if no network devices were found
    if(netlist.empty())
    {
        kDebug() << "No network devices found!";
        return 0;
    }

    Solid::Device device = netlist[0];
    Solid::NetworkInterface *netdev = device.as<Solid::NetworkInterface>();
    //keep the program from crashing in the event that there's a bug in solid
    if(!netdev)
    {
        kDebug() << "Device could not be converted.  There is a bug.";
        return 0;
    }

    kDebug() << "The iface of " << device.udi() << " is " << netdev->ifaceName();

    return 0;
}

QVariant SoundCardModel::data(const QModelIndex &index, int role) const
{
    // Sanity check
    if (!index.isValid())
        return QVariant();

    // Check if role is supported
    if (role != Qt::DisplayRole && role != Qt::DecorationRole)
        return QVariant();

    Solid::Device device = m_list.at(index.row());
    Solid::AudioInterface *audio = device.as<Solid::AudioInterface>();

    if (audio->deviceType() == Solid::AudioInterface::AudioOutput) {
        qDebug() << device.udi() << device.product() << device.parentUdi();
        switch (role) {
            case Qt::DisplayRole:
                return audio->name();
            case Qt::DecorationRole:
                switch (audio->soundcardType()) {
                    case Solid::AudioInterface::Headset:
                        return QIcon::fromTheme("audio-headset");
                    default:
                        return QIcon::fromTheme("audio-card");
                }
        }
    }

    return QVariant();
}

void SolidDeviceJob::start()
{
    Solid::Device device (m_dest);
    QString operation = operationName();
    
    if (operation == QLatin1String("mount")) {
        if (device.is<Solid::StorageAccess>()) {
            Solid::StorageAccess *access = device.as<Solid::StorageAccess>();
            if (access && !access->isAccessible()) {
                access->setup();
            }
        }
    }
    else if (operation == QLatin1String("unmount")) {
        if (device.is<Solid::OpticalDisc>()) {
            Solid::OpticalDrive *drive = device.as<Solid::OpticalDrive>();
            if (!drive) {
                drive = device.parent().as<Solid::OpticalDrive>();
            }
            if (drive) {
                drive->eject();
            }
        }
        else if (device.is<Solid::StorageAccess>()) {
            Solid::StorageAccess *access = device.as<Solid::StorageAccess>();
            if (access && access->isAccessible()) {
                access->teardown();
            }
        }
    }

    emitResult();
}

/**
 * @brief Return true if device is identified as iPod-compatible using product and vendor.
 *
 * @param device Solid device to identify
 * @return true if the device is iPod-like, false if it cannot be proved.
 **/
static bool
deviceIsRootIpodDevice( const Solid::Device &device )
{
    if( !device.vendor().contains( "Apple", Qt::CaseInsensitive ) )
        return false;
    return device.product().startsWith( "iPod" )
        || device.product().startsWith( "iPhone" )
        || device.product().startsWith( "iPad" );
}

Solid::Device MenuDiskItem::opticalParent() const
{
    Solid::Device it = mDevice;
    //search for parent drive
    for ( ; !it.udi().isEmpty(); it = it.parent())
    {
        if (it.is<Solid::OpticalDrive>())
            break;
    }
    return it;
}

// Paulo: I'm not sure what this is for
static bool hasRemovableParent(Solid::Device device)
{
    // qDebug() << "acess:" << device.udi();
    for ( ; !device.udi().isEmpty(); device = device.parent())
    {
        Solid::StorageDrive* drive = device.as<Solid::StorageDrive>();
        if (drive && drive->isRemovable())
        {
            // qDebug() << "removable parent drive:" << device.udi();
            return true;
        }
    }
    return false;
}

AudioCdDevice::AudioCdDevice(MusicModel *m, Solid::Device &dev)
    : Device(m, dev, false, true)
    #ifdef CDDB_FOUND
    , cddb(0)
    #endif
    #ifdef MUSICBRAINZ5_FOUND
    , mb(0)
    #endif
    , year(0)
    , disc(0)
    , time(0xFFFFFFFF)
    , lookupInProcess(false)
    , autoPlay(false)
{
    icn=Icon("media-optical");
    drive=dev.parent().as<Solid::OpticalDrive>();
    Solid::Block *block=dev.as<Solid::Block>();
    if (block) {
        device=block->device();
    } else { // With UDisks2 we cannot get block from device :-(
        QStringList parts=dev.udi().split("/", QString::SkipEmptyParts);
        if (!parts.isEmpty()) {
            parts=parts.last().split(":");
            if (!parts.isEmpty()) {
                device="/dev/"+parts.first();
            }
        }
    }
    if (!device.isEmpty()) {
        static bool registeredTypes=false;
        if (!registeredTypes) {
            qRegisterMetaType<CdAlbum >("CdAlbum");
            qRegisterMetaType<QList<CdAlbum> >("QList<CdAlbum>");
            registeredTypes=true;
        }
        devPath=Song::constCddaProtocol+device+QChar('/');
        #if defined CDDB_FOUND && defined MUSICBRAINZ5_FOUND
        connectService(Settings::self()->useCddb());
        #else
        connectService(true);
        #endif
        detailsString=i18n("Reading disc");
        setStatusMessage(detailsString);
        lookupInProcess=true;
        connect(Covers::self(), SIGNAL(cover(const Song &, const QImage &, const QString &)),
                this, SLOT(setCover(const Song &, const QImage &, const QString &)));
        emit lookup(Settings::self()->cdAuto());
    }
}

QAction* PlacesItemModel::teardownAction(int index) const
{
    const PlacesItem* item = placesItem(index);
    if (!item) {
        return 0;
    }

    Solid::Device device = item->device();
    const bool providesTearDown = device.is<Solid::StorageAccess>() &&
                                  device.as<Solid::StorageAccess>()->isAccessible();
    if (!providesTearDown) {
        return 0;
    }

    Solid::StorageDrive* drive = device.as<Solid::StorageDrive>();
    if (!drive) {
        drive = device.parent().as<Solid::StorageDrive>();
    }

    bool hotPluggable = false;
    bool removable = false;
    if (drive) {
        hotPluggable = drive->isHotpluggable();
        removable = drive->isRemovable();
    }

    QString iconName;
    QString text;
    const QString label = item->text();
    if (device.is<Solid::OpticalDisc>()) {
        text = i18nc("@item", "Release '%1'", label);
    } else if (removable || hotPluggable) {
        text = i18nc("@item", "Safely Remove '%1'", label);
        iconName = QStringLiteral("media-eject");
    } else {
        text = i18nc("@item", "Unmount '%1'", label);
        iconName = QStringLiteral("media-eject");
    }

    if (iconName.isEmpty()) {
        return new QAction(text, 0);
    }

    return new QAction(QIcon::fromTheme(iconName), text, 0);
}

int MTPSlave::checkUrl ( const KUrl& url, bool redirect )
{
    kDebug ( KIO_MTP ) << url;

    if ( url.path().startsWith ( QLatin1String ( "udi=" ) ) && redirect )
    {
        QString udi = url.path( KUrl::RemoveTrailingSlash ).remove ( 0, 4 );

        kDebug ( KIO_MTP ) << "udi = " << udi;

        Solid::Device device ( udi );
        if ( !device.isValid() )
        {
            return 2;
        }
        Solid::GenericInterface *iface = device.as<Solid::GenericInterface>();
        QMap<QString, QVariant> properties = iface->allProperties();

        int busnum = properties.value ( QLatin1String ( "BUSNUM" ) ).toInt();
        int devnum = properties.value ( QLatin1String ( "DEVNUM" ) ).toInt();

        kDebug ( KIO_MTP ) << "UDI reports BUS/DEV:" << busnum << "/" << devnum;

        QMap<QString, LIBMTP_raw_device_t*> devices = getRawDevices();

        foreach ( const QString &deviceName, devices.keys() )
        {
            LIBMTP_raw_device_t* rawDevice = devices.value ( deviceName );
            int currentBusNum = rawDevice->bus_location;
            int currentDevNum = rawDevice->devnum;

            kDebug ( KIO_MTP ) << "LIBMTP has BUS/DEV:"<< currentBusNum << "/" << currentDevNum;

            if ( currentBusNum == busnum && currentDevNum == devnum )
            {
                KUrl newUrl;
                newUrl.setProtocol ( QLatin1String ( "mtp" ) );
                newUrl.setPath ( QLatin1Char ( '/' ) + deviceName );
                redirection ( newUrl );

                return 1;
            }
        }
    }

SolStorageDevice::SolStorageDevice(QTreeWidgetItem *parent, const Solid::Device &device, const storageChildren &c) :
  SolDevice(parent, device)
{
  deviceTypeHolder = Solid::DeviceInterface::StorageDrive;
  setDefaultDeviceText();
   
  if(c == CREATECHILDREN) 
  {
    createDeviceChildren<SolVolumeDevice>(this,device.udi(),Solid::DeviceInterface::StorageVolume);
  }
}

bool SolidDeviceEngine::sourceRequestEvent(const QString &name)
{
    if (name.startsWith('/')) {
        Solid::Device device = Solid::Device(name);
        if (device.isValid()) {
            if (m_devicemap.contains(name) ) {
                return true;
            } else {
                m_devicemap[name] = device;
                return populateDeviceData(name);
            }
        }
    } else {
        Solid::Predicate predicate = Solid::Predicate::fromString(name);
        if (predicate.isValid()  && !m_predicatemap.contains(name)) {
            foreach (const Solid::Device &device, Solid::Device::listFromQuery(predicate)) {
                m_predicatemap[name] << device.udi();
            }

            setData(name, m_predicatemap[name]);
            return true;
        }
    }

void DeviceActionsDialog::setDevice(const Solid::Device &device)
{
    m_device = device;
    
    QString label = device.vendor();
    if (!label.isEmpty()) label+=' ';
    label+= device.product();
    
    setWindowTitle(label); 
    
    m_view.iconLabel->setPixmap(KIcon(device.icon()).pixmap(64));
    m_view.descriptionLabel->setText(device.vendor()+' '+device.product());
    setWindowIcon(KIcon(device.icon()));
}

    QVariant FilePlacesItem::deviceData(int role) const
    {
        Solid::Device d = device();

        if (!d.isValid())
            return QVariant();

        switch (role) {
            case Qt::DecorationRole:
                return QIcon::fromTheme(d.icon());
            case Qt::DisplayRole:
                return d.description();
            case VFilePlacesModel::UrlRole:
                if (m_access)
                    return QUrl::fromLocalFile(m_access->filePath());
                else if (m_disc && (m_disc->availableContent() && Solid::OpticalDisc::Audio) != 0) {
                    QString device = d.as<Solid::Block>()->device();
                    return QUrl(QString("audiocd:///?device=%1").arg(device));
                }
            case VFilePlacesModel::FixedDeviceRole: {
                Solid::StorageDrive *drive = 0;
                Solid::Device parentDevice = d;

                while (parentDevice.isValid() && !drive) {
                    drive = parentDevice.as<Solid::StorageDrive>();
                    parentDevice = parentDevice.parent();
                }

                if (drive)
                    return !drive->isHotpluggable() && !drive->isRemovable();
                return true;
            }
            break;
            default:
                break;
        }

        return QVariant();
    }

bool deviceLessThan(const Solid::Device &a, const Solid::Device &b) {
	return a.udi() < b.udi();
}