Added abandoned KDE3 version of K3B

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/k3b@1084400 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 223 insertions, 0 deletions

diff --git a/libk3bdevice/k3bhalconnection.h b/libk3bdevice/k3bhalconnection.h
new file mode 100644
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--- /dev/null
+++ b/libk3bdevice/k3bhalconnection.h
@@ -0,0 +1,223 @@
+/* 
+ *
+ * $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_HAL_CONNECTION_H_
+#define _K3B_HAL_CONNECTION_H_
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "k3bdevice_export.h"
+
+#include <qobject.h>
+#include <qmap.h>
+#include <qstringlist.h>
+
+class DBusConnection;
+
+
+namespace K3bDevice {
+
+  class Device;
+
+  /**
+   * This is a simple HAL/DBUS wrapper which creates QT signals whenever a new optical
+   * drive is plugged into the system or one is unplugged.
+   *
+   * The HalConnection 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 HalConnection : public QObject
+    {
+      Q_OBJECT
+
+    public:
+      ~HalConnection();
+
+      /**
+       * Creates a new singleton HalConnection object or returns the already existing one.
+       * A newly created HalConnection will emit newDevice signals for all devices in the HAL
+       * manager. However, since one cannot be sure if this is the first time the HalConnection
+       * is created it is recommended to connect to the signals and query the list of current
+       * devices.
+       *
+       * \return An instance of the singleton HalConnection object.
+       */
+      static HalConnection* instance();
+
+      /**
+       * \return true if a connection to the HAL deamon could be established and
+       *         communication has been set up.
+       */
+      bool isConnected() const;
+
+      /**
+       * \return a list of optical devices as reported by HAL.
+       */
+      QStringList devices() const;
+
+      /**
+       * \internal
+       */
+      void addDevice( const char* udi );
+
+      /**
+       * \internal
+       */
+      void removeDevice( const char* udi );
+
+      /**
+       * Error codes named as the HAL deamon raises them
+       */
+      enum ErrorCodes {
+	org_freedesktop_Hal_Success = 0, //*< The operation was successful. This code does not match any in HAL
+	org_freedesktop_Hal_CommunicationError, //*< DBus communication error. This code does not match any in HAL
+	org_freedesktop_Hal_NoSuchDevice,
+	org_freedesktop_Hal_DeviceAlreadyLocked,
+	org_freedesktop_Hal_PermissionDenied,
+	org_freedesktop_Hal_Device_Volume_NoSuchDevice,
+	org_freedesktop_Hal_Device_Volume_PermissionDenied,
+	org_freedesktop_Hal_Device_Volume_AlreadyMounted,
+	org_freedesktop_Hal_Device_Volume_InvalidMountOption,
+	org_freedesktop_Hal_Device_Volume_UnknownFilesystemType,
+	org_freedesktop_Hal_Device_Volume_InvalidMountpoint,
+	org_freedesktop_Hal_Device_Volume_MountPointNotAvailable,
+	org_freedesktop_Hal_Device_Volume_PermissionDeniedByPolicy,
+	org_freedesktop_Hal_Device_Volume_InvalidUnmountOption,
+	org_freedesktop_Hal_Device_Volume_InvalidEjectOption
+      };
+
+     public slots:
+      /**
+       * Lock the device in HAL
+       * 
+       * Be aware that once the method returns the HAL 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 in HAL
+       * 
+       * Be aware that once the method returns the HAL 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 via HAL
+       * 
+       * Be aware that once the method returns the HAL deamon has not necessarily 
+       * finished the procedure yet.
+       *
+       * \param dev The device to lock
+       * \return An error code
+       *
+       * \see ErrorCode
+       */
+      int mount( Device*, 
+		 const QString& mountPoint = QString::null, 
+		 const QString& fstype = QString::null,
+		 const QStringList& options = QStringList() );
+
+      /**
+       * Unmounts a device via HAL
+       * 
+       * Be aware that once the method returns the HAL deamon has not necessarily 
+       * finished the procedure yet.
+       *
+       * \param dev The device to lock
+       * \return An error code
+       *
+       * \see ErrorCode
+       */
+      int unmount( Device*,
+		   const QStringList& options = QStringList() );
+
+      /**
+       * Unmounts a device via HAL
+       * 
+       * Be aware that once the method returns the HAL deamon has not necessarily 
+       * finished the procedure yet.
+       *
+       * \param dev The device to lock
+       * \return An error code
+       *
+       * \see ErrorCode
+       */
+      int eject( Device*,
+		 const QStringList& options = QStringList() );
+
+    signals:
+      /**
+       * This signal gets emitted whenever HAL finds a new optical drive.
+       *
+       * \param dev The block device name of the new drive.
+       */
+      void deviceAdded( const QString& dev );
+
+      /**
+       * This signal gets emitted whenever HAL detects that an optical drive
+       * has been unplugged.
+       *
+       * \param dev The block device name of the drive.
+       */
+      void deviceRemoved( const QString& 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 QString& dev );
+
+    private:
+      /**
+       * HalConnection is a signelton class. Use the instance() method to create it.
+       */
+      HalConnection( QObject* parent = 0, const char* name = 0 );
+
+      /**
+       * Tries to open a connection to HAL.
+       */
+      bool open();
+      void close();
+
+      static HalConnection* s_instance;
+
+      class Private;
+      Private* d;
+
+      void setupDBusQtConnection( DBusConnection* dbusConnection );
+    };
+}
+
+#endif