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Diffstat (limited to 'libk3bdevice/k3bconnection.h')
| -rw-r--r-- | libk3bdevice/k3bconnection.h | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/libk3bdevice/k3bconnection.h b/libk3bdevice/k3bconnection.h new file mode 100644 index 0000000..9deb458 --- /dev/null +++ b/libk3bdevice/k3bconnection.h @@ -0,0 +1,232 @@ +/* + * + * $Id: sourceheader,v 1.3 2005/01/19 13:03:46 trueg Exp $ + * Copyright (C) 2005-2007 Sebastian Trueg <trueg@k3b.org> + * + * This file is part of the K3b project. + * Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org> + * + * 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 |