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/*
*
* $Id: sourceheader,v 1.3 2005/01/19 13:03:46 trueg Exp $
* Copyright (C) 2005-2007 Sebastian Trueg <[email protected]>
*
* This file is part of the K3b project.
* Copyright (C) 1998-2007 Sebastian Trueg <[email protected]>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* See the file "COPYING" for the exact licensing terms.
*/
#ifndef _K3B_CONNECTION_H_
#define _K3B_CONNECTION_H_
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "k3bdevice_export.h"
#include <tqobject.h>
#include <tqmap.h>
#include <tqstringlist.h>
#include <kdemacros.h>
#ifdef HAVE_TDEHWLIB
class TDEGenericDevice;
#else
#define TDEGenericDevice void
#endif
namespace K3bDevice {
class Device;
/**
* This is a simple wrapper which creates TQt signals whenever a new optical
* drive is plugged into the system or one is unplugged.
*
* The Connection class also handles media changes. Whenever a new medium is inserted
* into a drive or a medium is removed (i.e. ejected) a signal is emitted. This way it
* is easy to keep track of the inserted media.
*
* This class does not deal with K3b devices but with system device names
* such as /dev/cdrom. These device names can be used in DeviceManager::findDevice().
*/
class LIBK3BDEVICE_EXPORT Connection : public TQObject
{
TQ_OBJECT
public:
~Connection();
/**
* Creates a new singleton Connection object or returns the already existing one.
* A newly created Connection will emit newDevice signals for all devices in the
* manager. However, since one cannot be sure if this is the first time the Connection
* is created it is recommended to connect to the signals and query the list of current
* devices.
*
* \return An instance of the singleton Connection object.
*/
static Connection* instance();
/**
* \return true if a connection to the deamon could be established and
* communication has been set up.
*/
bool isConnected() const;
/**
* \return a list of optical devices as reported.
*/
TQStringList devices() const;
/**
* Error codes named as the deamon raises them
*/
enum ErrorCodes {
Success = 0, //*< The operation was successful.
CommunicationError,
NoSuchDevice,
DeviceAlreadyLocked,
PermissionDenied,
Device_Volume_NoSuchDevice,
Device_Volume_PermissionDenied,
Device_Volume_AlreadyMounted,
Device_Volume_InvalidMountOption,
Device_Volume_UnknownFilesystemType,
Device_Volume_InvalidMountpoint,
Device_Volume_MountPointNotAvailable,
Device_Volume_PermissionDeniedByPolicy,
Device_Volume_InvalidUnmountOption,
Device_Volume_InvalidEjectOption
};
public slots:
/**
* Lock the device
*
* Be aware that once the method returns the deamon has not necessarily
* finished the procedure yet.
*
* \param dev The device to lock
* \return An error code
*
* \see ErrorCode
*/
int lock( Device* );
/**
* Unlock a previously locked device
*
* Be aware that once the method returns the deamon has not necessarily
* finished the procedure yet.
*
* \param dev The device to lock
* \return An error code
*
* \see ErrorCode
*/
int unlock( Device* );
/**
* Mounts a device
*
* Be aware that once the method returns the deamon has not necessarily
* finished the procedure yet.
*
* \param dev The device to lock
* \return An error code
*
* \see ErrorCode
*/
int mount( Device*,
const TQString& mountPoint = TQString(),
const TQString& fstype = TQString(),
const TQStringList& options = TQStringList() );
/**
* Unmounts a device
*
* Be aware that once the method returns the deamon has not necessarily
* finished the procedure yet.
*
* \param dev The device to lock
* \return An error code
*
* \see ErrorCode
*/
int unmount( Device*,
const TQStringList& options = TQStringList() );
/**
* Unmounts a device
*
* Be aware that once the method returns the deamon has not necessarily
* finished the procedure yet.
*
* \param dev The device to lock
* \return An error code
*
* \see ErrorCode
*/
int eject( Device*,
const TQStringList& options = TQStringList() );
private slots:
/**
* \internal
*/
void AddDeviceHandler(TDEGenericDevice*);
/**
* \internal
*/
void RemoveDeviceHandler(TDEGenericDevice*);
/**
* \internal
*/
void ModifyDeviceHandler(TDEGenericDevice*);
signals:
/**
* This signal gets emitted whenever it finds a new optical drive.
*
* \param dev The block device name of the new drive.
*/
void deviceAdded( const TQString& dev );
/**
* This signal gets emitted whenever it detects that an optical drive
* has been unplugged.
*
* \param dev The block device name of the drive.
*/
void deviceRemoved( const TQString& dev );
/**
* This signal gets emitted whenever a new medium is inserted into a
* device or an inserted is removed (i.e. ejected)
*
* \param dev The block device name of the drive the medium is or was inserted into.
*/
void mediumChanged( const TQString& dev );
private:
/**
* Connection is a signelton class. Use the instance() method to create it.
*/
Connection( TQObject* parent = 0, const char* name = 0 );
/**
* Tries to open a connection
*/
bool open();
void close();
static Connection* s_instance;
class Private;
Private* d;
};
}
#endif
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