frontend/block.h

/*
    SPDX-FileCopyrightText: 2006-2007 Kevin Ottens <ervin@kde.org>
 
    SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
*/
 
#ifndef SOLID_BLOCK_H
#define SOLID_BLOCK_H
 
#include <solid/solid_export.h>
 
#include <solid/deviceinterface.h>
 
namespace Solid
{
class BlockPrivate;
class Device;
 
/**
 * @class Solid::Block block.h <Solid/Block>
 *
 * This device interface is available on block devices.
 *
 * A block device is an addressable device such as drive or partition.
 * It is possible to interact with such a device using a special file
 * in the system.
 */
class SOLID_EXPORT Block : public DeviceInterface
{
    Q_OBJECT
    Q_PROPERTY(int major READ deviceMajor)
    Q_PROPERTY(int minor READ deviceMinor)
    Q_PROPERTY(QString device READ device)
    Q_DECLARE_PRIVATE(Block)
    friend class Device;
 
private:
    /**
     * Creates a new Block object.
     * You generally won't need this. It's created when necessary using
     * Device::as().
     *
     * @param backendObject the device interface object provided by the backend
     * @see Solid::Device::as()
     */
    SOLID_NO_EXPORT explicit Block(QObject *backendObject);
 
public:
    /**
     * Destroys a Block object.
     */
    ~Block() override;
 
    /**
     * Get the Solid::DeviceInterface::Type of the Block device interface.
     *
     * @return the Block device interface type
     * @see Solid::Ifaces::Enums::DeviceInterface::Type
     */
    static Type deviceInterfaceType()
    {
        return DeviceInterface::Block;
    }
 
    /**
     * Retrieves the major number of the node file to interact with
     * the device.
     *
     * @return the device major number
     */
    int deviceMajor() const;
 
    /**
     * Retrieves the minor number of the node file to interact with
     * the device.
     *
     * @return the device minor number
     */
    int deviceMinor() const;
 
    /**
     * Retrieves the absolute path of the special file to interact
     * with the device.
     *
     * @return the absolute path of the special file to interact with
     * the device
     */
    QString device() const;
};
}
 
#endif