Switch from dbus-tqt do dbus-1-tqt

Add systemd session and inhibit support
Cleanup unused methods
This partially resolves Bug 1597

13 files changed, 332 insertions, 989 deletions

diff --git a/ConfigureChecks.cmake b/ConfigureChecks.cmake
index 68fca16..4e77ea1 100644
--- a/ConfigureChecks.cmake
+++ b/ConfigureChecks.cmake
@@ -51,10 +51,10 @@ if( NOT DBUS_FOUND )
 endif( )
 
 
-# check for dbus-tqt
-pkg_search_module( DBUS_TQT dbus-tqt )
+# check for dbus-1-tqt
+pkg_search_module( DBUS_TQT dbus-1-tqt )
 if( NOT DBUS_TQT_FOUND )
-  tde_message_fatal( "dbus-tqt is required, but was not found on your system" )
+  tde_message_fatal( "dbus-1-tqt is required, but was not found on your system" )
 endif( )
 
 # check for msgfmt
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index de98870..ac0e7bd 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -16,8 +16,8 @@ include_directories(
   ${CMAKE_BINARY_DIR}
   ${TDE_INCLUDE_DIR}
   ${TQT_INCLUDE_DIRS}
+  ${DBUS_INCLUDE_DIRS}
   ${DBUS_TQT_INCLUDE_DIRS}
-  ${HAL_INCLUDE_DIRS}
 )
 
 link_directories(
@@ -48,6 +48,6 @@ tde_add_tdeinit_executable( tdepowersave AUTOMOC
     tdepowersave.skel log_viewer.ui logviewer.cpp main.cpp
     screen.cpp settings.cpp suspenddialog.cpp suspend_Dialog.ui
   LINK
-    ${DBUS_TQT_LIBRARIES} tdeio-shared ${HAL_LIBRARIES}
+    ${DBUS_TQT_LIBRARIES} tdeio-shared
     ${XEXT_LIBRARIES} ${XTST_LIBRARIES} ${XSCRNSAVER_LIBRARIES}
 )
diff --git a/src/Makefile.am b/src/Makefile.am
index 3458c99..9c7b044 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -21,7 +21,6 @@ noinst_HEADERS =                                \
 		infodialog.h                    \
 		tdepowersave.h                    \
 		logviewer.h			\
-		privileges.h			\
 		screen.h                        \
 		settings.h                      \
 		suspenddialog.h
diff --git a/src/dbusInterface.cpp b/src/dbusInterface.cpp
index 8b9b17c..8ad5552 100644
--- a/src/dbusInterface.cpp
+++ b/src/dbusInterface.cpp
@@ -19,38 +19,52 @@
 
 /*! 
  * \file 	dbusInterface.cpp
- * \brief 	In this file can be found the functionality to connect to 
- *		the HAL daemon via D-Bus, to handle D-Bus calls/events and to
- *		provide wrapper to HAL lib and functions
+ * \brief 	In this file can be found the functionality to connect to
+ *		the D-Bus, to handle D-Bus session management
  * \author 	Danny Kukawka, <dkukawka@suse.de>, <danny.kukawka@web.de>
  * \date    	2006-2007
  */
  
-  // KDE Header
+// QT - Header
+#include <tqtimer.h>
+
+// KDE Header
 #include <tdelocale.h>
 
 // DBUS - Header
+#include "dbus/dbus-shared.h"
 #include "dbusInterface.h"
+#include <tqdbusdatalist.h>
+#include <tqdbusdatamap.h>
+#include <tqdbuserror.h>
+#include <tqdbusmessage.h>
+#include <tqdbusvariant.h>
 
 // system headers
-#include <iostream>
+#include <unistd.h>
+
+#define DBUS_CONN_NAME "TDEPowersave"
 
 static void* myInstance = 0;
 
 /*! The default constructor of the class dbusInterface. */
-dbusInterface::dbusInterface(){
+dbusInterface::dbusInterface():
+    dBusConn(),
+    dBusWatch(0),
+    dBusLocal(0),
+    systemdSession(),
+    systemdSeat(0),
+    systemdInhibit(-1),
+    consolekitSession(),
+    consolekitSeat(0)
+    {
 	kdDebugFuncIn(trace);
 
-	dbus_is_connected = false;
-	acquiredPolicyPower = false;
-
 	// add pointer to this for filter_function()
 	myInstance=this;
+
 	// init connection to dbus
-	if(!initDBUS()) {
-		kdError() << "Can't connect to D-Bus" << endl;
-		m_dBusQtConnection = NULL;
-	}
+	initDBUS();
 
 	kdDebugFuncOut(trace);
 }
@@ -72,30 +86,19 @@ dbusInterface::~dbusInterface(){
  * \retval false if disconnected
  */
 bool dbusInterface::isConnectedToDBUS() {
-	return dbus_is_connected;
-}
-
-/*! 
- * This function return information if the org.freedesktop.Policy.Power 
- * interface was claimed.
- * \return boolean with the status of claim the interface
- * \retval true if acquired 
- * \retval false if not
- */
-bool dbusInterface::acquiredPolicyPowerInterface() {
-	return acquiredPolicyPower;
+	return dBusConn.isConnected();
 }
 
 /*! 
- * This function try a reconnect to D-Bus and HAL  daemon.
+ * This function try a reconnect to D-Bus.
  * \return boolean with the result of the operation
- * \retval true if successful reconnected to D-Bus and HAL
+ * \retval true if successful reconnected to D-Bus
  * \retval false if unsuccessful
  */
 bool dbusInterface::reconnect() {
 	// close D-Bus connection
 	close();
-	// init D-Bus conntection and HAL context
+	// init D-Bus conntection
 	return (initDBUS());
 }
 
@@ -106,18 +109,24 @@ bool dbusInterface::reconnect() {
  * \retval false if any problems
  */
 bool dbusInterface::close() {
-	if ( m_dBusQtConnection != NULL ) {
-		releasePolicyPowerIface();
-		m_dBusQtConnection->close();
-		m_dBusQtConnection = NULL;
+	if( dBusConn.isConnected() ) {
+		if( dBusWatch ) {
+			delete dBusWatch;
+		}
+		if( dBusLocal ) {
+			delete dBusLocal;
+		}
+		if( systemdSeat ) {
+			delete systemdSeat;
+		}
+		if( consolekitSeat ) {
+			delete consolekitSeat;
+		}
 	}
-	dbus_is_connected = false;
-
+	dBusConn.closeConnection(DBUS_CONN_NAME);
 	return true;
 }
 
-/* ----> D-Bus section :: START <---- */
-
 /*! 
  * This function initialise the connection to the D-Bus daemon.
  * \return boolean with the result of the operation
@@ -127,528 +136,260 @@ bool dbusInterface::close() {
 bool dbusInterface::initDBUS(){
 	kdDebugFuncIn(trace);
 
-	dbus_is_connected = false;
-
-        DBusError error;
-        dbus_error_init(&error);
-	
-	dbus_connection = dbus_bus_get( DBUS_BUS_SYSTEM, &error );
+	dBusConn = TQT_DBusConnection::addConnection(TQT_DBusConnection::SystemBus, DBUS_CONN_NAME);
 
-	if (dbus_connection == NULL){
-		kdError() << "Failed to open connection to system message bus: " << error.message << endl;
-		dbus_error_free (&error);
+	if( !dBusConn.isConnected() ) {
+		kdError() << "Failed to open connection to system message bus: " << dBusConn.lastError().message() << endl;
+		TQTimer::singleShot(4000, this, TQT_SLOT(reconnect()));
 		return false;
 	}
 
-	if ( dbus_error_is_set( &error ) ) {
-		kdError() << "Failed to register connection with system message bus: " << error.message << endl;
-		return false;
-	}
-
-	acquirePolicyPowerIface();
-
-	dbus_connection_set_exit_on_disconnect( dbus_connection, false );
-
-        /* add the filter function which should be executed on events on the bus */
-        if ( ! dbus_connection_add_filter( dbus_connection, filterFunction, this, NULL) ) {
-                kdFatal() << "Error: Not enough memory to add filter to dbus connection" << endl;
-                exit(EXIT_FAILURE);
-        }
-
-        /* add a match rule to catch all signals going through the bus with D-Bus interface */
-	dbus_bus_add_match( dbus_connection, "type='signal',"
-			    "interface='org.freedesktop.DBus'," 
-			    "member='NameOwnerChanged'", NULL);
-
-	/* add a match rule to catch all signals going through the bus with ConsoleKit Interface */
-	dbus_bus_add_match( dbus_connection, "type='signal',"
-			    "interface='org.freedesktop.ConsoleKit.Session'," 
-			    "member='ActiveChanged'", NULL);
-
-	m_dBusQtConnection = new DBusQt::Connection(this);
-        m_dBusQtConnection->dbus_connection_setup_with_qt_main(dbus_connection);
-
-	dbus_is_connected = true;
-
-	kdDebugFuncOut(trace);
-	return true;
-}
-
-/*!
- * This function acquire the org.freedesktop.Policy.Power interface
- * \return boolean with the result of the operation
- * \retval true 	if successful acquired the interface
- * \retval false 	if unsuccessful
- */
-bool dbusInterface::acquirePolicyPowerIface(){
-	kdDebugFuncIn(trace);
-
-	if (dbus_connection == NULL) {
-		kdDebugFuncOut(trace);
-		return false;
+	// watcher for NameOwnerChanged signals
+	dBusWatch = new TQT_DBusProxy(DBUS_SERVICE_DBUS, DBUS_PATH_DBUS, DBUS_INTERFACE_DBUS, dBusConn);
+	TQObject::connect(dBusWatch, TQT_SIGNAL(dbusSignal(const TQT_DBusMessage&)),
+			  this, TQT_SLOT(handleDBusSignal(const TQT_DBusMessage&)));
+
+	// watcher for Disconnect signal
+	dBusLocal = new TQT_DBusProxy(DBUS_SERVICE_DBUS, DBUS_PATH_LOCAL, DBUS_INTERFACE_LOCAL, dBusConn);
+	TQObject::connect(dBusLocal, TQT_SIGNAL(dbusSignal(const TQT_DBusMessage&)),
+			  this, TQT_SLOT(handleDBusSignal(const TQT_DBusMessage&)));
+
+	// find already running SystemD
+	TQT_DBusProxy checkSystemD(DBUS_SERVICE_DBUS, DBUS_PATH_DBUS, DBUS_INTERFACE_DBUS, dBusConn);
+	if( checkSystemD.canSend() ) {
+		TQValueList<TQT_DBusData> params;
+		params << TQT_DBusData::fromString(SYSTEMD_LOGIN1_SERVICE);
+		TQT_DBusMessage reply = checkSystemD.sendWithReply("NameHasOwner", params);
+		if (reply.type() == TQT_DBusMessage::ReplyMessage && reply.count() == 1 && reply[0].toBool() ) {
+			onServiceRegistered(SYSTEMD_LOGIN1_SERVICE);
+		}
 	}
 
-	DBusError err;
-	dbus_error_init(&err);
-	int ret = dbus_bus_request_name(dbus_connection, "org.freedesktop.Policy.Power",
-					DBUS_NAME_FLAG_REPLACE_EXISTING, &err);
-	if (dbus_error_is_set(&err)) {
-		kdWarning() << "Acquire org.freedesktop.Policy.Power interface failed with error: " << err.message << endl;
-		dbus_error_free(&err);
-	}
-	switch (ret) {
-		case DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER:
-			kdDebug() << "Acquired org.freedesktop.Policy.Power interface" << endl;
-			acquiredPolicyPower = true;
-			break;
-		case DBUS_REQUEST_NAME_REPLY_IN_QUEUE:
-			kdWarning() << "Queued to acquire org.freedesktop.Policy.Power interface" << endl;
-			acquiredPolicyPower = false;
-			break;
-		default:
-			acquiredPolicyPower = false;
-			break;
+	// find already running ConsoleKit
+	TQT_DBusProxy checkConsoleKit(DBUS_SERVICE_DBUS, DBUS_PATH_DBUS, DBUS_INTERFACE_DBUS, dBusConn);
+	if( checkConsoleKit.canSend() ) {
+		TQValueList<TQT_DBusData> params;
+		params << TQT_DBusData::fromString(CK_SERVICE);
+		TQT_DBusMessage reply = checkConsoleKit.sendWithReply("NameHasOwner", params);
+		if (reply.type() == TQT_DBusMessage::ReplyMessage && reply.count() == 1 && reply[0].toBool() ) {
+			onServiceRegistered(CK_SERVICE);
+		}
 	}
 
 	kdDebugFuncOut(trace);
-	return acquiredPolicyPower;
+	return true;
 }
 
 /*! 
- * This function release the org.freedesktop.Policy.Power interface
- * \return boolean with the result of the operation
- * \retval true 	if successful acquired the interface
- * \retval false 	if unsuccessful
+ * This function handles signals from the D-Bus daemon.
  */
-bool dbusInterface::releasePolicyPowerIface(){
-	kdDebugFuncIn(trace);
-
-	int result;
-	bool retval = false;
-	DBusError error;
-
-	if (dbus_connection == NULL) {
-		kdDebugFuncOut(trace);
-		return false;
+void dbusInterface::handleDBusSignal(const TQT_DBusMessage& msg) {
+	// dbus terminated
+	if( msg.path() == DBUS_PATH_LOCAL
+	 && msg.interface() == DBUS_INTERFACE_LOCAL
+	 && msg.member() == "Disconnected" ) {
+		close();
+		TQTimer::singleShot(1000, this, TQT_SLOT(reconnect()));
+		return;
 	}
 
-        dbus_error_init(&error);
-
-	result = dbus_bus_release_name(dbus_connection, "org.freedesktop.Policy.Power", &error);
-
-	if ( dbus_error_is_set( &error ) ) {
-		kdError() << "Failed to release org.freedesktop.Policy.Power: " << error.message << endl;
-		dbus_error_free(&error);
-	} else {
-		switch (result) {
-			case DBUS_RELEASE_NAME_REPLY_RELEASED:
-				kdDebug() << "Released org.freedesktop.Policy.Power interface" << endl;
-				retval = true;
-				acquiredPolicyPower = false;
-				break;
-			case DBUS_RELEASE_NAME_REPLY_NOT_OWNER:
-				kdWarning() << "Couldn't release org.freedesktop.Policy.Power, not the owner" << endl;
-				break;
-			case DBUS_RELEASE_NAME_REPLY_NON_EXISTENT:
-				kdWarning() << "Couldn't release org.freedesktop.Policy.Power, Iface not existing" << endl;
-				break;
-			default:
-				kdWarning() << "Couldn't release org.freedesktop.Policy.Power, unknown error" << endl;
-				break;
+	// service registered / unregistered
+	if( msg.path() == DBUS_PATH_DBUS
+	 && msg.interface() == DBUS_INTERFACE_DBUS
+	 && msg.member() == "NameOwnerChanged" ) {
+		if( msg[1].toString().isEmpty() ) {
+			// old-owner is empty
+			onServiceRegistered(msg[0].toString());
 		}
+		if( msg[2].toString().isEmpty() ) {
+			// new-owner is empty
+			onServiceUnregistered(msg[0].toString());
+		}
+		return;
 	}
-		
-	return retval;
-	kdDebugFuncOut(trace);
-}
-
-/*! 
- * This function check if the org.freedesktop.Policy.Power 
- * interface is owned by someone
- * \return boolean with the result of the operation
- * \retval true 	if the interface is owned by someone
- * \retval false 	if else
- */
-bool dbusInterface::isPolicyPowerIfaceOwned(){
-	kdDebugFuncIn(trace);
 
-	bool retval = false;
-	DBusError error;
-
-	if (dbus_connection == NULL) {
-		kdDebugFuncOut(trace);
-		return false;
+	// systemd session changed
+	if( systemdSeat && systemdSeat->canSend()
+	 && msg.path() == systemdSeat->path()
+	 && msg.interface() == DBUS_INTERFACE_PROPERTIES
+	 && msg.member() == "PropertiesChanged"
+	 && msg[0].toString() == SYSTEMD_LOGIN1_SEAT_IFACE) {
+		bool activeSessionProperty = false;
+		TQT_DBusDataMap<TQString> map = msg[1].toStringKeyMap();
+		TQT_DBusDataMap<TQString>::const_iterator it = map.begin();
+		for (; !activeSessionProperty && it != map.end(); ++it) {
+			if( it.key() != "ActiveSession" ) {
+				activeSessionProperty = true;
+			}
+		}
+		TQValueList<TQString> list = msg[2].toList().toStringList();
+		TQValueList<TQString>::const_iterator it1 = list.begin();
+		for (; !activeSessionProperty && it1 != list.end(); ++it1) {
+			if( (*it1) == "ActiveSession" ) {
+				activeSessionProperty = true;
+			}
+		}
+		if( activeSessionProperty ) {
+			emit activeSessionChanged(checkActiveSession());
+		}
+		return;
 	}
 
-        dbus_error_init(&error);
-
-	retval = dbus_bus_name_has_owner(dbus_connection, "org.freedesktop.Policy.Power", &error);
-
-	if ( dbus_error_is_set( &error ) ) {
-		kdError() << "Failed to check if org.freedesktop.Policy.Power has an owner: " << error.message << endl;
-		dbus_error_free(&error);
+	// consolekit session changed
+	if( consolekitSeat && consolekitSeat->canSend()
+	 && msg.path() == consolekitSeat->path()
+	 && msg.interface() == CK_SEAT_IFACE
+	 && msg.member() == "ActiveSessionChanged") {
+		emit activeSessionChanged(msg[0].toString() == TQString(consolekitSession));
+		return;
 	}
-
-	kdDebugFuncOut(trace);
-	return retval;
-}
-
-/* ----> DBUS section :: END   <---- */
-
-/* ----> D-Bus methode calls functions :: START <---- */
-/*! 
- * This function call a D-Bus method
- * \param interface	TQString with te dbus interface
- * \param path		TQString with the object path
- * \param object	TQString with the object name
- * \param method	TQString with the name of the methode
- * \param first_arg_type integer with the dbus type of the first argument
- * \param ... 		more arguments
- * \return 		If the query was successful or not
- */
-bool dbusInterface::dbusSystemMethodCall( TQString interface, TQString path, TQString object, TQString method,
-			   	    int first_arg_type, ... ) {
-	kdDebugFuncIn(trace);
-	
-	bool _ret = false;
-        va_list var_args;
-
-        va_start(var_args, first_arg_type);
-	_ret = dbusMethodCall( interface, path, object, method, DBUS_BUS_SYSTEM,
-			       NULL, -1, first_arg_type, var_args);
-	va_end(var_args);
-	
-	kdDebugFuncOut(trace);
-	return _ret;
-}
-
-
-/*! 
- * This overloaded function call a D-Bus method on the D-Bus system bus with a return value
- * \param interface	 TQString with the dbus interface
- * \param path		 TQString with the object path
- * \param object	 TQString with the object name
- * \param method	 TQString with the name of the method
- * \param retvalue	 void pointer to arguments, if NULL we make a simple call
- * \param retval_type    Integer with the dbus type of the return value, set to -1 if retvalue is NULL
- * \param first_arg_type Integer with the dbus type of the first argument followed by the value
- * \return 		 If the query was successful or not
- */
-bool dbusInterface::dbusSystemMethodCall( TQString interface, TQString path, TQString object, TQString method,
-				    void *retvalue, int retval_type, int first_arg_type, ... ) {
-	kdDebugFuncIn(trace);
-	
-	bool _ret = false;
-        va_list var_args;
-
-        va_start(var_args, first_arg_type);
-	_ret = dbusMethodCall( interface, path, object, method, DBUS_BUS_SYSTEM, 
-			       retvalue, retval_type, first_arg_type, var_args);
-	va_end(var_args);
-	
-	kdDebugFuncOut(trace);
-	return _ret;
 }
 
-
-/*! 
- * This function call a D-Bus method with a return value
- * \param interface	 TQString with the dbus interface
- * \param path		 TQString with the object path
- * \param object	 TQString with the object name
- * \param method	 TQString with the name of the method
- * \param dbus_type	 DBusBusType with the D-Bus BUS Type
- * \param retvalue	 void pointer to arguments, if NULL we make a simple call
- * \param retval_type    Integer with the dbus type of the return value, set to -1 if retvalue is NULL
- * \param first_arg_type Integer with the dbus type of the first argument followed by the value
- * \param var_args	 va_list with more arguments
- * \return 		 If the query was successful or not
+/*!
+ * This function handles dBus service registering
  */
-bool dbusInterface::dbusMethodCall( TQString interface, TQString path, TQString object, TQString method,
-			      DBusBusType dbus_type, void *retvalue, int retval_type, int first_arg_type,
-			      va_list var_args ) {
-	kdDebugFuncIn(trace);
-
-	DBusMessage *message;
-	DBusMessage *reply;
-	DBusError    error;
-	bool ret = false;
-	
-	dbus_error_init(&error); 
-
-	dbus_connection = dbus_bus_get(dbus_type, &error);
-	
-	if (dbus_error_is_set(&error)) {
-		kdError() << "Could not get dbus connection: " << error.message << endl;
-		dbus_error_free(&error);
-		goto out;
-	}
-
-	message = dbus_message_new_method_call( interface.ascii(), path.ascii(), object.ascii(), method.ascii() );
-	dbus_message_append_args_valist(message, first_arg_type, var_args);
+void dbusInterface::onServiceRegistered(const TQString& service) {
+	if( service == SYSTEMD_LOGIN1_SERVICE ) {
+		// get current session
+		TQT_DBusProxy managerIface(SYSTEMD_LOGIN1_SERVICE, SYSTEMD_LOGIN1_PATH, SYSTEMD_LOGIN1_MANAGER_IFACE, dBusConn);
+		systemdSession = TQT_DBusObjectPath();
+		if( managerIface.canSend() ) {
+			TQValueList<TQT_DBusData> params;
+			params << TQT_DBusData::fromUInt32( getpid() );
+			TQT_DBusMessage reply = managerIface.sendWithReply("GetSessionByPID", params);
+			if (reply.type() == TQT_DBusMessage::ReplyMessage && reply.count() == 1 ) {
+				systemdSession = reply[0].toObjectPath();
+			}
+		}
+		if( !systemdSession.isValid() ) {
+			kdWarning() << "The session is not registered with systemd" << endl;
+			return;
+		}
 
-	if (retvalue == NULL) {
-		if (!dbus_connection_send(dbus_connection, message, NULL)) {
-			kdError() << "Could not send method call." << endl;
-			dbus_message_unref( message );
-			goto out;
+		// get session seat
+		TQT_DBusProxy sessionProperties(SYSTEMD_LOGIN1_SERVICE, systemdSession, DBUS_INTERFACE_PROPERTIES, dBusConn);
+		TQT_DBusObjectPath seat;
+		if( sessionProperties.canSend() ) {
+			TQValueList<TQT_DBusData> params;
+			params
+			 << TQT_DBusData::fromString( SYSTEMD_LOGIN1_SESSION_IFACE )
+			 << TQT_DBusData::fromString( "Seat" );
+			TQT_DBusMessage reply = sessionProperties.sendWithReply("Get", params);
+			if (reply.type() == TQT_DBusMessage::ReplyMessage && reply.count() == 1 ) {
+				seat = reply[0].toVariant().value.toStruct()[1].toObjectPath();
+			}
 		}
-	} else {
-		reply = dbus_connection_send_with_reply_and_block(dbus_connection, message, -1, &error);
-
-		if (dbus_error_is_set(&error)) {
-			kdError() << "Could not send dbus message: " << error.message << endl;
-			dbus_message_unref(message);
-			dbus_error_free(&error);
-			goto out;
+		if( !seat.isValid() ) {
+			kdWarning() << "Unable to associate systemd session with a seat" << endl;
+			return;
 		}
 
-		int type = dbus_message_get_type(reply);
-		if (type == DBUS_MESSAGE_TYPE_METHOD_RETURN) {
-			if (!dbus_message_get_args(reply, &error, retval_type, retvalue, DBUS_TYPE_INVALID)){
-				if (dbus_error_is_set(&error)) {
-					kdError() << "Could not get argument from reply: " 
-						  << error.message << endl;
-					dbus_error_free(&error);
-				}
-				dbus_message_unref(reply);
-				dbus_message_unref(message);
-				goto out;
+		// watch session changes
+		systemdSeat = new TQT_DBusProxy(SYSTEMD_LOGIN1_SERVICE, seat, DBUS_INTERFACE_PROPERTIES, dBusConn);
+		TQObject::connect(systemdSeat, TQT_SIGNAL(dbusSignal(const TQT_DBusMessage&)),
+				  this, TQT_SLOT(handleDBusSignal(const TQT_DBusMessage&)));
+
+		// inhibit systemd handling of power/sleep/hibernate/lid buttons
+		// http://www.freedesktop.org/wiki/Software/systemd/inhibit
+		if( !systemdInhibit.isValid() && managerIface.canSend() ) {
+			TQValueList<TQT_DBusData> params;
+			params
+			 << TQT_DBusData::fromString("handle-power-key:handle-suspend-key:handle-hibernate-key:handle-lid-switch") // what
+			 << TQT_DBusData::fromString("TDEPowersave") // who
+			 << TQT_DBusData::fromString("TDE handles power events") // why
+			 << TQT_DBusData::fromString("block"); // mode
+			TQT_DBusMessage reply = managerIface.sendWithReply("Inhibit", params);
+			if (reply.type() == TQT_DBusMessage::ReplyMessage && reply.count() == 1 ) {
+				systemdInhibit = reply[0].toUnixFd();
 			}
-		} else {
-			kdError() << "Revieved invalid DBUS_MESSAGE_TYPE: " << type 
-				  << "expected: " << DBUS_MESSAGE_TYPE_METHOD_RETURN << endl;
-			dbus_message_unref(reply);
-			dbus_message_unref(message);
-			goto out;
 		}
+		return;
 	}
+	if( service == CK_SERVICE ) {
+		// get current session
+		TQT_DBusProxy managerIface(CK_SERVICE, CK_MANAGER_OBJECT, CK_MANAGER_IFACE, dBusConn);
+		consolekitSession = TQT_DBusObjectPath();
+		if( managerIface.canSend() ) {
+			TQValueList<TQT_DBusData> params;
+			params << TQT_DBusData::fromUInt32( getpid() );
+			TQT_DBusMessage reply = managerIface.sendWithReply("GetSessionForUnixProcess", params);
+			if (reply.type() == TQT_DBusMessage::ReplyMessage && reply.count() == 1 ) {
+				consolekitSession = reply[0].toObjectPath();
+			}
+		}
+		if( !consolekitSession.isValid() ) {
+			kdWarning() << "The session is not registered with consolekit" << endl;
+			return;
+		}
 
-	ret = true;	// if we are here, everything should be okay
-	dbus_message_unref(message);
-	dbus_connection_flush(dbus_connection);
-
-out:
-	kdDebugFuncOut(trace);
-        return ret;
-}
-
-/* ----> D-Bus methode calls functions :: END  <---- */
-/* ---> PolicyKit method call section :: START <--- */
-
-/*!
- * Check if the user is privileged to a special privilege
- * \param privilege	TQString with the name of the requested privilege
- * \param udi		TQString with the UDI.
- * \param ressource	TQString with the name of the ressource
- * \param user		TQString with the name of the user. If empty the current user is used.
- * \return int with info if the user is allowed or not.
- * \retval 0		if not allowed
- * \retval 1		if allowed
- * \retval -1		if a error occurs or we could not query the interface
- */
-int dbusInterface::isUserPrivileged(TQString privilege, TQString udi, TQString ressource, TQString user) {
-	kdDebugFuncIn(trace);
+		// get session seat
+		TQT_DBusObjectPath seat;
+		if( dBusConn.isConnected() ) {
+			TQT_DBusMessage msg = TQT_DBusMessage::methodCall(CK_SERVICE, consolekitSession, CK_SESSION_IFACE, "GetSeatId");
+			TQT_DBusMessage reply = dBusConn.sendWithReply(msg);
+			if (reply.type() == TQT_DBusMessage::ReplyMessage && reply.count() == 1 ) {
+				seat = reply[0].toObjectPath();
+			}
+		}
+		if( !seat.isValid() ) {
+			kdWarning() << "Unable to associate consolekit session with a seat" << endl;
+			return;
+		}
 
-	const char *_unique_name;
-	const char *_user;
-	const char *_privilege;	
-	
-	int retval = -1;
-
-	if (user.isEmpty() || user.isNull()) 
-		_user = getenv("USER"); 
-	else 
-		_user = user.latin1();
-
-	if (_user == NULL || privilege.isEmpty()) 
-		goto out;
-
-	_unique_name = dbus_bus_get_unique_name(dbus_connection);
-	_privilege = privilege.latin1();
-
-	// not sure if we need this, but to avoid problems
-	dbus_bool_t _retval;
-	const char *_ressource;
-	_ressource = ressource.latin1();
-
-	if (!dbusSystemMethodCall( "org.freedesktop.PolicyKit",
-				   "/org/freedesktop/PolicyKit/Manager",
-				   "org.freedesktop.PolicyKit.Manager",
-				   "IsUserPrivileged",
-				   &_retval, DBUS_TYPE_BOOLEAN,
-				   DBUS_TYPE_STRING, &_unique_name,
-				   DBUS_TYPE_STRING, &_user,
-				   DBUS_TYPE_STRING, &_privilege,
-				   DBUS_TYPE_STRING, &_ressource,
-				   DBUS_TYPE_INVALID)) {
-		retval = -1;	// only to be sure we have no changes trough the call
-	} else {
-		retval = (int) _retval;
+		// watch session changes
+		consolekitSeat = new TQT_DBusProxy(CK_SERVICE, seat, CK_SEAT_IFACE, dBusConn);
+		TQObject::connect(consolekitSeat, TQT_SIGNAL(dbusSignal(const TQT_DBusMessage&)),
+				  this, TQT_SLOT(handleDBusSignal(const TQT_DBusMessage&)));
+		return;
 	}
-
-out:
-	kdDebugFuncOut(trace);
-	return retval;
 }
-/* ---> PolicyKit method call section :: END   <--- */
 
 /*!
- * Use this TQT_SLOT to emit a reviced messages to the tdepowersave.
- * NOTE: Because of the filter function this need to be a public function.
- *       Don't use this function in any other place than this class.
- * \param  type enum with the type of the message
- * \param  message String with the message
- * \param  string String with additional info
+ * This function handles dBus service unregistering
  */
-void dbusInterface::emitMsgReceived( msg_type type, TQString message, TQString string ) {
-	
-	if (message.startsWith("dbus.terminate"))
-		dbus_is_connected = false;
-
-	if (type == POLICY_POWER_OWNER_CHANGED) {
-		if (message.startsWith("NOW_OWNER"))
-			acquiredPolicyPower = true;
-		else 
-			acquiredPolicyPower = false;
+void dbusInterface::onServiceUnregistered(const TQString& service) {
+	if( service == SYSTEMD_LOGIN1_SERVICE ) {
+		systemdSession = TQT_DBusObjectPath();
+		if( systemdSeat ) {
+			delete systemdSeat;
+		}
+		return;
+	}
+	if( service == CK_SERVICE ) {
+		consolekitSession = TQT_DBusObjectPath();
+		if( consolekitSeat ) {
+			delete consolekitSeat;
+		}
+		return;
 	}
-
-	emit msgReceived_withStringString( type, message, string );
 }
 
-#include "dbusInterface.moc"
-// --> functions which are not member of the class ...
-
-/*! 
- * This function is needed filter function for the D-Bus connection to filter
- * all needed messages from the bus which are needful for TDEPowersave. 
- * \param connection	existing connection to the D-Bus daemon
- * \param message 	the recieved message from the D-Bus daemon
- * \param data		void pointer (see dbus bindings for more information)
- * \return DBusHandlerResult
+/*!
+ * This functions is used to check if session is active
  */
-DBusHandlerResult 
-filterFunction (DBusConnection *connection, DBusMessage *message, void */*data*/) {
- 	kdDebugFuncIn(trace);
-	
-	bool reply_wanted;
-	char *value;
-	TQString ifaceType;
-
-	DBusError error;
-        dbus_error_init( &error );
-
-	if (dbus_message_is_signal (message,
-				    DBUS_INTERFACE_LOCAL,
-				    "Disconnected")){
-		((dbusInterface*) myInstance)->emitMsgReceived( DBUS_EVENT, "dbus.terminate", 0 );
-		dbus_connection_unref(connection);
-		kdDebugFuncOut(trace);
-		return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
-	}
-
-        if ( dbus_message_get_type( message ) != DBUS_MESSAGE_TYPE_SIGNAL ) {
-                if (trace) kdDebug() << "recieved message, but wasn't from type DBUS_MESSAGE_TYPE_SIGNAL" << endl;
-		kdDebugFuncOut(trace);
-		return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
-        }
-
-	ifaceType = dbus_message_get_interface( message );
-        if (ifaceType == NULL) {
-                kdDebug() << "Received message from invalid interface" << endl;
-                kdDebugFuncOut(trace);
-		return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
-        }
-
-	reply_wanted = !dbus_message_get_no_reply( message );
-
-	if (ifaceType.startsWith(DBUS_INTERFACE_DBUS)) {
-		if(trace) kdDebug() << "Received from DBUS_INTERFACE_DBUS" << endl;
-		/* get the name of the signal */
-		const char *signal = dbus_message_get_member( message );
-		
-		/* get the first argument. This must be a string at the moment */
-		dbus_message_get_args( message, &error, DBUS_TYPE_STRING, &value, DBUS_TYPE_INVALID );
-	
-		if ( dbus_error_is_set( &error ) ) {
-			kdWarning() << "Received signal " << error.message << " but no string argument" << endl;
-			dbus_error_free( &error );
-			kdDebugFuncOut(trace);
-			return DBUS_HANDLER_RESULT_HANDLED;
+bool dbusInterface::checkActiveSession() {
+	if( systemdSeat && systemdSeat->canSend() ) {
+		TQT_DBusObjectPath activeSession;
+		TQValueList<TQT_DBusData> params;
+		params
+		 << TQT_DBusData::fromString( SYSTEMD_LOGIN1_SEAT_IFACE )
+		 << TQT_DBusData::fromString( "ActiveSession" );
+		TQT_DBusMessage reply = systemdSeat->sendWithReply("Get", params);
+		if (reply.type() == TQT_DBusMessage::ReplyMessage && reply.count() == 1 ) {
+			activeSession = reply[0].toVariant().value.toStruct()[1].toObjectPath();
+			return (activeSession == systemdSession);
 		}
-	
-		if (trace) kdDebug() << "filter_function::SIGNAL=" << signal << " VALUE=" << value << endl;
-	
-		/* our name is... */
-		if ( ! strcmp( signal, "NameAcquired" ) ) {
-			kdDebugFuncOut(trace);
-			return DBUS_HANDLER_RESULT_HANDLED;
-		}
-		
-		else if ( ! strcmp( signal, "NameOwnerChanged" )) {
-			char *service;
-			char *old_owner;
-			char *new_owner;
-			
-                	if (dbus_message_get_args (message, NULL, DBUS_TYPE_STRING, &service,
-                                                   DBUS_TYPE_STRING, &old_owner,
-                                                   DBUS_TYPE_STRING, &new_owner, DBUS_TYPE_INVALID)) {
-				if (!strcmp(service, "org.freedesktop.Policy.Power")) {
-					const char *own_name;
-					
-					own_name = dbus_bus_get_unique_name(((dbusInterface*) myInstance)->get_DBUS_connection());
-
-					if (!strcmp(new_owner, own_name)) {
-						kdDebug() << "=== now owner of org.freedesktop.Policy.Power ===" << endl;
-						// we have now again the ower of the name!
-						((dbusInterface*) myInstance)->emitMsgReceived( POLICY_POWER_OWNER_CHANGED,
-											  "NOW_OWNER", 
-											  NULL );
-					} else {
-						// some other has now the interface
-						kdDebug() << "=== someone owner of org.freedesktop.Policy.Power ===" << endl;
-						((dbusInterface*) myInstance)->emitMsgReceived( POLICY_POWER_OWNER_CHANGED,
-											  "OTHER_OWNER", 
-											  NULL );
-					}
-				}
-			}
-		}
-		kdDebugFuncOut(trace);
-		return DBUS_HANDLER_RESULT_HANDLED;	
-	} else if (ifaceType.startsWith("org.freedesktop.ConsoleKit.Session")) {
-		kdDebug() << "Received from org.freedesktop.ConsoleKit.Session" << endl;
-
-		const char *session = dbus_message_get_path (message);
-		const char *signal = dbus_message_get_member( message );
-		
-		if (! strcmp(signal, "ActiveChanged")) {
-			dbus_bool_t active;
-
-			if (dbus_message_get_args( message, &error, DBUS_TYPE_BOOLEAN, &active, DBUS_TYPE_INVALID )) {
-				((dbusInterface*) myInstance)->emitMsgReceived( CONSOLEKIT_SESSION_ACTIVE, 
-									  session, TQString("%1").arg((int)active));
-			} else {
-				if (dbus_error_is_set( &error )) dbus_error_free( &error );
-			}
-		} else {
-			kdDebug() << "Received unknown signal from org.freedesktop.ConsoleKit.Session: "
-				  << signal << endl;
-			kdDebugFuncOut(trace);
-			return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+	}
+	if( consolekitSeat && consolekitSeat->canSend() ) {
+		TQT_DBusObjectPath activeSession;
+		TQValueList<TQT_DBusData> params;
+		TQT_DBusMessage reply = consolekitSeat->sendWithReply("GetActiveSession", params);
+		if (reply.type() == TQT_DBusMessage::ReplyMessage && reply.count() == 1 ) {
+			activeSession = reply[0].toObjectPath();
+			return (activeSession == consolekitSession);
 		}
-		kdDebugFuncOut(trace);
-		return DBUS_HANDLER_RESULT_HANDLED;
-	} else {
-		kdDebugFuncOut(trace);
-		return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
 	}
+	return false;
 }
 
-// --> some functions to get private members
-
-//! to get the current connection to D-Bus
-DBusConnection * dbusInterface::get_DBUS_connection() {
-	return dbus_connection;
-}
-
+#include "dbusInterface.moc"
diff --git a/src/dbusInterface.h b/src/dbusInterface.h
index f5afbd3..3fa8071 100644
--- a/src/dbusInterface.h
+++ b/src/dbusInterface.h
@@ -23,13 +23,13 @@
 */
 /*!
 *  \class 	dbusInterface
-*  \brief 	class for connection to HAL via D-Bus
+*  \brief 	class for connection to D-Bus
 *  \author 	Danny Kukawka, <dkukawka@suse.de>, <danny.kukawka@web.de>
 *  \date    	2006-2007
 */
 
-#ifndef _DBUSHAL_H_
-#define _DBUSHAL_H_
+#ifndef _DBUS_INTERFACE_H_
+#define _DBUS_INTERFACE_H_
 
 #ifndef DBUS_API_SUBJECT_TO_CHANGE
 #define DBUS_API_SUBJECT_TO_CHANGE
@@ -41,12 +41,14 @@
 #endif
 
 // QT - Header
+#include <tqobject.h>
 #include <tqstring.h>
 
 // D-Bus Header
-#include <dbus/dbus.h> // needed for dbus_bool_t
-#include <dbus/message.h>
-#include <dbus/connection.h>
+#include <tqdbusconnection.h>
+#include <tqdbusobjectpath.h>
+#include <tqdbusproxy.h>
+#include <tqdbusunixfd.h>
 
 // tdepowersave - Header
 #include "tdepowersave_debug.h"
@@ -55,16 +57,13 @@
 #define CK_MANAGER_IFACE	"org.freedesktop.ConsoleKit.Manager"
 #define CK_MANAGER_OBJECT	"/org/freedesktop/ConsoleKit/Manager"
 #define CK_SESSION_IFACE	"org.freedesktop.ConsoleKit.Session"
+#define CK_SEAT_IFACE		"org.freedesktop.ConsoleKit.Seat"
 
-enum msg_type {
-	ACPI_EVENT,
-	DBUS_EVENT,
-	HAL_DEVICE,
-	HAL_PROPERTY_CHANGED,
-	HAL_CONDITION,
-	CONSOLEKIT_SESSION_ACTIVE,
-	POLICY_POWER_OWNER_CHANGED
-};
+#define SYSTEMD_LOGIN1_SERVICE		"org.freedesktop.login1"
+#define SYSTEMD_LOGIN1_PATH		"/org/freedesktop/login1"
+#define SYSTEMD_LOGIN1_MANAGER_IFACE	"org.freedesktop.login1.Manager"
+#define SYSTEMD_LOGIN1_SESSION_IFACE	"org.freedesktop.login1.Session"
+#define SYSTEMD_LOGIN1_SEAT_IFACE	"org.freedesktop.login1.Seat"
 
 class dbusInterface : public TQObject{
 	Q_OBJECT
@@ -72,35 +71,32 @@ class dbusInterface : public TQObject{
 
 private:
 
-	//! QT connection to D-Bus
-	DBusQt::Connection* m_dBusQtConnection;
-	//! real connection to D-Bus
-	DBusConnection *dbus_connection;
-
-	//! to store information if TDEPowersave is connected to D-Bus
-	/*!
-	* This boolean represent information about the state of the connection to D-Bus
-	* \li true:  if connected
-	* \li false: if disconnected
-	*/
-	bool dbus_is_connected;
-
-	//! if we could claim the org.freedesktop.Policy.Power interface
-	/*!
-	* This boolean represent information if TDEPowersave could claim the 
-	* org.freedesktop.Policy.Power interface from the D-Bus
-	* \li true:  if acquired
-	* \li false: if not
-	*/
-	bool acquiredPolicyPower;
+	//! TQt connection to D-Bus
+	TQT_DBusConnection dBusConn;
+
+	//! TQt D-Bus proxy for watching signals
+	TQT_DBusProxy* dBusWatch;
+	TQT_DBusProxy* dBusLocal;
+
+	TQT_DBusObjectPath systemdSession;
+	TQT_DBusProxy* systemdSeat;
+	TQT_DBusUnixFd systemdInhibit;
+
+	TQT_DBusObjectPath consolekitSession;
+	TQT_DBusProxy* consolekitSeat;
 
 	/* D-Bus helper functions */
 	//! to initialise the connection to D-Bus 
 	bool initDBUS();
-	//! to call a methode on a dbus interface with reply
-	bool dbusMethodCall( TQString interface, TQString path, TQString object, TQString method,
-			     DBusBusType dbus_type, void *retvalue, int retval_type,
-			     int first_arg_type, va_list var_args);
+
+	//! handles signal service registred/unregistered
+	void onServiceRegistered(const TQString&);
+	void onServiceUnregistered(const TQString&);
+
+private slots:
+
+	//! to reconnect to D-Bus
+	bool reconnect();
 
 public:
 
@@ -109,52 +105,24 @@ public:
 	//! default destructor
 	~dbusInterface();
 
-	//! to reconnect to D-Bus and HAL
-	bool reconnect();
-	//! to close the connection to D-Bus and HAL
+	//! to close the connection to D-Bus
 	bool close();
 
-	//! to acquire the org.freedesktop.Policy.Power interface
-	bool acquirePolicyPowerIface();
-	//! to release the org.freedesktop.Policy.Power interface
-	bool releasePolicyPowerIface();
-	//! to check if the org.freedesktop.Policy.Power interface has an owner
-	bool isPolicyPowerIfaceOwned();
-
 	// --- helper to get private members of the class --- //
 	//! to get information if TDEPowersave is connected to D-Bus
 	bool isConnectedToDBUS();
-	//! to get info about claim org.freedesktop.Policy.Power interface
-	bool acquiredPolicyPowerInterface();
 
-	//! return the current DBus connection
-	DBusConnection *get_DBUS_connection();
+	//! to check active session state
+	bool checkActiveSession();
 
-	/* D-Bus helper functions */
+public slots:
 
-	/* functions to call methodes */
-	//! to call a methode on a dbus system bus method without reply
-	bool dbusSystemMethodCall( TQString interface, TQString path, TQString object, TQString method,
-				   int first_arg_type, ... );
-	//! to call a methode on a dbus system bus method with reply
-	bool dbusSystemMethodCall( TQString interface, TQString path, TQString object, TQString method, 
-				   void *retvalue, int retval_type, int first_arg_type, ... );
+	void handleDBusSignal(const TQT_DBusMessage&);
 
-	/* PolicyKit call helper */
-	//! check if the user has a requested privilege
-	int isUserPrivileged( TQString privilege, TQString udi, TQString ressource = "", TQString user = TQString());
+signals:
 
-	//! wrapper to emit a signal with a event from HAL
-	void emitMsgReceived( msg_type type, TQString message, TQString string );
+	void activeSessionChanged(bool);
 
-signals:
-        //! signal with message to forward from D-Bus to HAL
-	void msgReceived_withStringString( msg_type, TQString, TQString );
-	//! signal if we resumed!
-	void backFromSuspend( int result );
 };
 
-//! filter function to filter out needed information from D-Bus messages
-DBusHandlerResult filterFunction (DBusConnection *connection, DBusMessage *message, void *data);
-
 #endif
diff --git a/src/hardware.cpp b/src/hardware.cpp
index e3b811a..cb4e98c 100644
--- a/src/hardware.cpp
+++ b/src/hardware.cpp
@@ -37,7 +37,6 @@
 // include own header
 #include "hardware.h"
 #include "tdepowersave_debug.h"
-#include "privileges.h"
 
 // #define USE_EVENT_DEVICES_DIRECTLY 1
 
@@ -51,7 +50,6 @@ HardwareInfo::HardwareInfo() {
 	laptop = false;
 	brightness = false;
 	brightness_in_hardware = false;
-	schedPowerSavings = false;
 	sessionIsActive = true;	 // assume as first we are active
 
 	// initialize connection to the TDE hardware library
@@ -79,20 +77,15 @@ HardwareInfo::HardwareInfo() {
 	primaryBatteries = new BatteryCollection(BAT_PRIMARY);
 	setPrimaryBatteriesWarningLevel(); // force default settings
 
-	// connect to D-Bus and HAL
-	dbus_HAL = new dbusInterface();
-	if (dbus_HAL->isConnectedToDBUS()) {
-		dbus_terminated = false;
-	} else {
-		kdError() << "Could not connect to D-Bus & HAL" << endl;
-	}
+	// connect to D-Bus
+	dbus_iface = new dbusInterface();
+	sessionIsActive = dbus_iface->checkActiveSession();
+	connect(dbus_iface, TQT_SIGNAL(activeSessionChanged(bool)), this, TQT_SLOT(handleSessionState(bool)));
 
-	checkConsoleKitSession();
 	checkPowermanagement();
 	checkIsLaptop();
 	checkBrightness();
 	checkCPUFreq();
-	// getSchedPowerSavings();
 	checkSuspend();
 	intialiseHWInfo();
 
@@ -141,15 +134,26 @@ bool HardwareInfo::reinitHardwareInfos () {
 	checkCPUFreq();
 	checkSuspend();
 	intialiseHWInfo();
-	// getSchedPowerSavings();
 	updatePrimaryBatteries();
 
 	kdDebugFuncOut(trace);
 	return true;
 }
 
+
 /*!
- * This funtion is used to parse changed hardware nofifications from the TDE hardware library
+ * \b TQT_SLOT called if the state of the current session change
+ * \param state boolean represent the state of the session
+ */
+void HardwareInfo::handleSessionState( bool state ) {
+    if( state != sessionIsActive ) {
+	sessionIsActive = state;
+	TQTimer::singleShot(50, this, TQT_SLOT(emitSessionActiveState()));
+    }
+}
+
+/*!
+ * This function is used to parse changed hardware nofifications from the TDE hardware library
  * \param device 	a \ref TDEGenericDevice* which should be processed
  */
 void HardwareInfo::processHardwareChangedEvent (TDEGenericDevice* device) {
@@ -216,99 +220,6 @@ void HardwareInfo::processKeyPressEvent(unsigned int keycode, TDEEventDevice* ed
 }
 
 /*!
- * This funtion is used to parse a message from D-Bus for the different
- * messagetypes and events.
- * \param type 		a \ref msg_type which should be parse/processed
- * \param message 	the message
- * \param value 	an optional message value as e.g. message string
- */
-void HardwareInfo::processMessage (msg_type type, TQString message, TQString value) {
-	kdDebugFuncIn(trace);
-
-	switch(type) {
-		case ACPI_EVENT:
-			// we don't handle acpi events here atm
-			break;
-		case HAL_DEVICE:
-			// --> we can maybe ignore these events except for batteries, not shure atm
-			int _type;
-
-			if (message.startsWith("DeviceAdded")) {
-				if (checkIfHandleDevice(value, &_type)) {
-					switch (_type) {
-						case BATTERY:
-						case AC_ADAPTER:
-						case BUTTON_SLEEP:
-						case BUTTON_POWER:
-						case LID:
-							// TODO: handle code if needed actually not
-							break;
-						case LAPTOP_PANEL:
-							checkBrightness();
-							break;
-						default:
-							kdDebug() << "New device added Device udi: "
-								  << value << "type: " << _type << endl;
-							break;
-					}
-				}
-			} else if (message.startsWith("DeviceRemoved")) {
-				if (allUDIs.contains(value)) {
-					if (checkIfHandleDevice(value, &_type)) {
-						switch (_type) {
-							case BATTERY:
-							case AC_ADAPTER:
-							case BUTTON_SLEEP:
-							case BUTTON_POWER:
-							case LID:
-								// TODO: handle code if needed
-								break;
-							case LAPTOP_PANEL:
-								checkBrightness();
-								break;
-							default:
-								kdDebug() << "Couldn't handle unknown device" << endl;
-								break;
-						}
-					}
-				} else {
-					kdDebug() << "Not monitored device removed: " << value << endl;
-				}
-			} else {
-				kdDebug() << "Unknown HAL_DEVICE message: " << message << endl;
-			}
-			break;
-		case CONSOLEKIT_SESSION_ACTIVE:
-			if (!message.isEmpty() && !value.isEmpty()) {
-				if (message == consoleKitSession) {
-					if (value == "1") {
-						sessionIsActive = true;
-					} else {
-						sessionIsActive = false;
-					}
-					TQTimer::singleShot(50, this, TQT_SLOT(emitSessionActiveState()));
-				} else {
-					if (trace)
-						kdDebug() << "CONSOLEKIT_SESSION_ACTIVE: not our session" << endl;
-				}
-			}
-			break;
-		case POLICY_POWER_OWNER_CHANGED:
-			if (message.startsWith("NOW_OWNER")) {
-				// TODO: add code
-			} else if (message.startsWith("OTHER_OWNER")){
-				// TODO: add code
-			}
-			break;
-		default:
-			kdDebug() << "Recieved unknown package type: " << type << endl;
-			break;
-	}
-
-	kdDebugFuncOut(trace);
-}
-
-/*!
  * This TQT_SLOT is used to fetch the resume signal and multiplex. If needed some
  * actions after resume, do this here.
  * \param result 	integer with the result of the resume/suspend
@@ -331,61 +242,6 @@ void HardwareInfo::handleResumeSignal (int result) {
 }
 
 /*!
- * This function checks the session for the running TDEPowersave instance
- * \return 		Boolean with result of operation
- * \retval true		if the query/check could get finished
- * \retval false	on every error
- */
-bool HardwareInfo::checkConsoleKitSession () {
-	kdDebugFuncIn(trace);
-
-	bool retval = false;
-
-	if (dbus_HAL->isConnectedToDBUS()) {
-		char *reply;
-		char *cookie = getenv("XDG_SESSION_COOKIE");
-
-		if (cookie == NULL) {
-			kdDebug() << "Could not get XDG_SESSION_COOKIE from environment" << endl;
-			sessionIsActive = true;
-		} else {
-			if (dbus_HAL->dbusSystemMethodCall( CK_SERVICE, CK_MANAGER_OBJECT,
-							CK_MANAGER_IFACE, "GetSessionForCookie",
-							&reply, DBUS_TYPE_OBJECT_PATH,
-							DBUS_TYPE_STRING, &cookie,
-							DBUS_TYPE_INVALID)) {
-				if (trace)
-					kdDebug() << "GetSessionForCookie returned: " << reply << endl;
-
-				if (reply != NULL) {
-					dbus_bool_t i_reply;
-					consoleKitSession = reply;
-
-					if (dbus_HAL->dbusSystemMethodCall( CK_SERVICE, consoleKitSession,
-									    CK_SESSION_IFACE, "IsActive",
-									    &i_reply, DBUS_TYPE_BOOLEAN,
-									    DBUS_TYPE_INVALID)) {
-						sessionIsActive = ((i_reply != 0) ? true: false);
-						if (trace)
-							kdDebug() << "IsActive returned: " << sessionIsActive << endl;
-
-						retval = true;
-					} else {
-						kdError() << "Could get session cookie and session name, but not "
-							<< "but not the status of the session. Assume for now "
-							<< "the Session is inactive!" << endl;
-						sessionIsActive = false;
-					}
-				}
-			}
-		}
-	}
-
-	kdDebugFuncOut(trace);
-	return retval;
-}
-
-/*!
  * This function check for a given UDI, if we should handle a device
  * \param _udi		TQString with the UDI of the device
  * \param *type		pointer to a integer to return the type of the device, see \ref device_type
@@ -1090,7 +946,6 @@ bool HardwareInfo::setCPUFreq ( cpufreq_type cpufreq, int limit ) {
 	TDEGenericHardwareList hwlist = m_hwdevices->listByDeviceClass(TDEGenericDeviceType::CPU);
 
 	if (hwlist.count() > 0) {
-		dbus_bool_t consider = (dbus_bool_t) getAcAdapter();
 		TQStringList dynamic;
 
 		if (checkCurrentCPUFreqPolicy() == cpufreq) {
@@ -1122,20 +977,6 @@ bool HardwareInfo::setCPUFreq ( cpufreq_type cpufreq, int limit ) {
 					}
 				}
 
-#if 0
-				// FIXME
-				// What does "SetCPUFreqConsiderNice" actually do??!?!
-
-				// correct set ondemand
-				if (!dbus_HAL->dbusSystemMethodCall( HAL_SERVICE, HAL_COMPUTER_UDI,
-								     HAL_CPUFREQ_IFACE,
-								     "SetCPUFreqConsiderNice",
-								     DBUS_TYPE_BOOLEAN, &consider,
-								     DBUS_TYPE_INVALID)) {
-					kdError() << "Couldn't set SetCPUFreqConsiderNice for DYNAMIC" << endl;
-				}
-
-#endif
 				// Set performance limits on all CPUs
 				TDEGenericDevice *hwdevice;
 				TDECPUDevice *cpudevice;
@@ -1185,7 +1026,6 @@ bool HardwareInfo::setCPUFreq ( cpufreq_type cpufreq, int limit ) {
 bool HardwareInfo::setCPUFreqGovernor( const char *governor ) {
 	kdDebugFuncIn(trace);
 
-	int reply;
 	bool ret = true;
 
 	TDEGenericHardwareList hwlist = m_hwdevices->listByDeviceClass(TDEGenericDeviceType::CPU);
@@ -1205,61 +1045,6 @@ bool HardwareInfo::setCPUFreqGovernor( const char *governor ) {
 }
 
 
-/*!
- * Function to set the powersave mode (incl. e.g. disk settings) via TDE hardware library.
- * \param  on		boolean which tell if enable/disable powersave mode
- * \return boolean with result of the operation
- * \retval true  	if successful
- * \retval false 	else, if a error occurs
- */
-bool HardwareInfo::setPowerSave( bool on ) {
-	kdDebugFuncIn(trace);
-
-	bool retval = false;
-
-	// FIXME
-	// Set up power saving to the best of our ability using "raw" functions
-	printf("[FIXME] HardwareInfo::setPowerSave unimplemented!\n"); fflush(stdout);
-
-	kdDebugFuncOut(trace);
-	return retval;
-}
-
-/*!
- * Function to call GetSchedPowerSavings() via TDE hardware library.
- * \return boolean with result of the operation
- * \retval true  	if successful
- * \retval false 	else, if a error occurs
- */
-bool HardwareInfo::getSchedPowerSavings() {
-	kdDebugFuncIn(trace);
-
-	bool returnval = false;
-
-	// What does the HAL method GetSchedPowerSavings actually do?!?!?
-
-	kdDebugFuncOut(trace);
-	return returnval;
-}
-
-/*!
- * Function to call SetSchedPowerSavings() via TDE hardware library.
- * Note: this would only work on multiprocessor/-core machines.
- * \return boolean with result of the operation
- * \retval true  	if successful
- * \retval false 	else, if a error occurs
- */
-bool HardwareInfo::setSchedPowerSavings( bool enable ) {
-	kdDebugFuncIn(trace);
-
-	bool retval = false;
-
-	// What does the HAL method SetCPUFreqPerformance actually do?!?!?
-
-	kdDebugFuncOut(trace);
-	return retval;
-}
-
 
 // --> TDE hardware library method call (trigger actions) section -- END <---
 
@@ -1304,16 +1089,6 @@ void HardwareInfo::emitS2diskButtonPressed() {
  * Function to emit the signal about changes in the session state
  */
 void HardwareInfo::emitSessionActiveState() {
-	if (sessionIsActive) {
-		if (!dbus_HAL->acquiredPolicyPowerInterface()) {
-			dbus_HAL->acquirePolicyPowerIface();
-		}
-	} else {
-		if (dbus_HAL->acquiredPolicyPowerInterface()) {
-			dbus_HAL->releasePolicyPowerIface();
-		}
-	}
-
 	emit desktopSessionIsActive(sessionIsActive);
 }
 
@@ -1635,16 +1410,6 @@ int HardwareInfo::isCpuFreqAllowed () {
 	return cpuFreqAllowed;
 }
 
-/*! check if the org.freedesktop.Policy.Power interface has an owner
- * \return boolean with info if org.freedesktop.Policy.Power interface has an owner or not
- * \retval true 	if there is a owner
- * \retval false 	else
- */
-bool HardwareInfo::isPolicyPowerIfaceOwned () {
-	return dbus_HAL->isPolicyPowerIfaceOwned();
-}
-
-
 // --> get private members section -- END <---
 
 #include "hardware.moc"
diff --git a/src/hardware.h b/src/hardware.h
index 6d0c741..b173aa5 100644
--- a/src/hardware.h
+++ b/src/hardware.h
@@ -76,12 +76,6 @@ enum device_type {
 	UNKNOWN_DEVICE
 };
 
-enum ERROR_MSG {
-	DBUS_NO_RIGHTS,
-	DBUS_NOT_RUNNING,
-	DBUS_RUNNING
-};
-
 //! hold information if suspend/standby/pm actions are supported and allowed
 /*!
 * This dictionary contains information about the available pm capabilities and
@@ -138,7 +132,7 @@ private:
 	TDEHardwareDevices *m_hwdevices;
 
 	//! pointer to the dbusInterface connection class
-	dbusInterface *dbus_HAL;
+	dbusInterface *dbus_iface;
 
 	//! hold udis of special hardware execpt batteries represented by a TQString pairs (name,udi)
 	/*!
@@ -225,14 +219,6 @@ private:
 	* \li false: 	else
 	*/
 	bool cpuFreq;
-	//! if the machine support change *SchedPowerSavings methodes via TDE hardware library
-	/*!
-	* This boolean represent information if the machine support change the
-	* SchedPowerSavings methodes via TDE hardware library.
-	* \li true: 	if supported
-	* \li false: 	else
-	*/
-	bool schedPowerSavings;
 	//! if the machine support change brightness
 	/*!
 	* This boolean represent information if the machine support brightness changes.
@@ -315,24 +301,18 @@ private:
 	bool intialiseHWInfo();
 	//! reinit all hardware information
 	bool reinitHardwareInfos();
-	//! to check the current ConsoleKit session
-	bool checkConsoleKitSession();
 	//! to check if we should handle a device
 	bool checkIfHandleDevice ( TQString _udi, int *type );
 	//! to set the CPUFreq governor
 	bool setCPUFreqGovernor( const char *governor );
-	//! to get the state of SchedPowerSave setting of kernel/TDE hardware library
-	bool getSchedPowerSavings();
-	//! to set the state of SchedPowerSave setting of kernel/TDE hardware library
-	bool setSchedPowerSavings( bool enable );
 
 	//! find and update a battery information
 	void updateBatteryValues (TDEGenericDevice* device);
 
 private slots:
 
-	//! to fetch events from D-Bus and handle them
-	void processMessage (msg_type type, TQString message, TQString value);
+	//! handle changes of the session state
+	void handleSessionState (bool state);
 	//! to fetch events from the TDE hardware library and handle them
 	void processHardwareChangedEvent (TDEGenericDevice*);
 	//! to fetch keypresses from the TDE hardware library and handle them
@@ -392,10 +372,6 @@ signals:
 	void batteryWARNState(int type, int state);
 
 	// Error signals
-	//! signal if the HAL daemon terminate and restart
-	void halRunning( bool );
-	//! signal if the D-Bus daemon terminate and restart
-	void dbusRunning( int );
 
 	//! signal if the IsActive state of
 	void desktopSessionIsActive (bool);
@@ -428,15 +404,6 @@ public:
 	*/
 	bool update_info_primBattery_changed;
 
-	//! boolean which tell us if the D-Bus daemon was terminated
-	/*!
-	* This boolean contains information if the D-Bus daemon terminated and
-	* we recieved "dbus.terminate"
-	* \li true:  If D-Bus terminated
-	* \li false: If D-Bus not terminated
-	*/
-	bool dbus_terminated;
-
 	// --> functions
 	//! default constructor
 	HardwareInfo();
@@ -463,9 +430,6 @@ public:
 	//! if the user is allowed to change CPU Freq PolicyKit
 	int isCpuFreqAllowed ();
 
-	//! if org.freedesktop.Policy.Power has a owner
-	bool isPolicyPowerIfaceOwned();
-
 	//! get state of the AC adapter
 	bool getAcAdapter() const;
 	//! get the state of the lid button
@@ -498,8 +462,6 @@ public:
 	bool setBrightnessUp(int percentageStep = -1);
 	//! set the CPU frequency policy/speed
 	bool setCPUFreq ( cpufreq_type cpufreq, int limit = 51 );
-	//! call SetPowerSave method on TDE hardware library.
-	bool setPowerSave( bool on );
 
 	//! function to set warning states for the primary battery collection
 	void setPrimaryBatteriesWarningLevel (int _warn = -1, int _low = -1, int _crit = -1 );
diff --git a/src/hardware_battery.cpp b/src/hardware_battery.cpp
index 1018254..2ade257 100644
--- a/src/hardware_battery.cpp
+++ b/src/hardware_battery.cpp
@@ -279,35 +279,6 @@ bool Battery::checkBatteryType () {
 	// For now just report any batteries as primary...
 	type = BAT_PRIMARY;
 	return true;
-
-#if 0
-	if (dbus_HAL->halGetPropertyString(udi,"battery.type", &tmp_qstring)) {
-		if (tmp_qstring.compare("primary") == 0) {
-			type = BAT_PRIMARY;
-		} else if (tmp_qstring.compare("mouse") == 0) {
-			type = BAT_MOUSE;
-		} else if (tmp_qstring.compare("keyboard") == 0) {
-			type = BAT_KEYBOARD;
-		} else if (tmp_qstring.compare("keyboard_mouse") == 0) {
-			type = BAT_KEY_MOUSE;
-		} else if (tmp_qstring.compare("camera") == 0) {
-			type = BAT_CAMERA;
-		} else if (tmp_qstring.compare("ups") == 0) {
-			type = BAT_UPS;
-		} else {
-			//anything else will currently be "UNKNOWN"
-			type = BAT_UNKNOWN;
-		}
-		kdDebugFuncOut(trace);
-		return true;
-	} else {
-		//query was not successfull
-		kdWarning() << "Query of battery.type of " << udi << " was not successfull." << endl;
-		type = BAT_UNKNOWN;
-		kdDebugFuncOut(trace);
-		return false;
-	}
-#endif
 }
 
 //! to check battery.technology
diff --git a/src/hardware_battery.h b/src/hardware_battery.h
index 3e50c0a..8f9a268 100644
--- a/src/hardware_battery.h
+++ b/src/hardware_battery.h
@@ -45,7 +45,7 @@
 // TDE hardware library
 #include <tdehardwaredevices.h>
 
-#include "dbusInterface.h"
+#include "tdepowersave_debug.h"
 
 class Battery : public TQObject {
 
diff --git a/src/privileges.h b/src/privileges.h
deleted file mode 100644
index 9b45d19..0000000
--- a/src/privileges.h
+++ /dev/null
@@ -1,46 +0,0 @@
-/***************************************************************************
- *   Copyright (C) 2007 by Danny Kukawka                                   *
- *                         <dkukawka@suse.de, danny.kukawka@web.de>        *
- *                                                                         *
- *   This program is free software; you can redistribute it and/or modify  *
- *   it under the terms of version 2 of the GNU General Public License     *
- *   as published by the Free Software Foundation.                         *
- *                                                                         *
- *   This program is distributed in the hope that it will be useful,       *
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
- *   GNU General Public License for more details.                          *
- *                                                                         *
- *   You should have received a copy of the GNU General Public License     *
- *   along with this program; if not, write to the                         *
- *   Free Software Foundation, Inc.,                                       *
- *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.             *
- ***************************************************************************/
-
-/*! 
-*  \file 	privileges.h
-*  \brief 	Headerfile containing defines for privileges
-*  \author 	Danny Kukawka, <dkukawka@suse.de, danny.kukawka@web.de>
-*  \date    	2007
-*/
-
-#ifndef _PRIVILEGES_H_
-#define _PRIVILEGES_H_
-
-#ifdef HAVE_HAL_0_5_10
- #define PRIV_SUSPEND		"org.freedesktop.hal.power-management.suspend"
- #define PRIV_HIBERNATE		"org.freedesktop.hal.power-management.hibernate"
- #define PRIV_STANDBY		"org.freedesktop.hal.power-management.standby"
- #define PRIV_CPUFREQ		"org.freedesktop.hal.power-management.cpufreq"
- #define PRIV_LAPTOP_PANEL	"org.freedesktop.hal.power-management.lcd-panel"
- #define PRIV_SETPOWERSAVE	"org.freedesktop.hal.power-management.set-powersave"
-#else
- #define PRIV_SUSPEND		"hal-power-suspend"
- #define PRIV_HIBERNATE		"hal-power-hibernate"
- #define PRIV_STANDBY		"hal-power-standby"
- #define PRIV_CPUFREQ		"hal-power-cpufreq"
- #define PRIV_LAPTOP_PANEL	"hal-power-lcd-panel"
- #define PRIV_SETPOWERSAVE	"hal-power-set-powersave"
-#endif
-
-#endif
diff --git a/src/settings.cpp b/src/settings.cpp
index b0d3afe..f1fe7d7 100644
--- a/src/settings.cpp
+++ b/src/settings.cpp
@@ -61,7 +61,6 @@ Settings::~Settings()
 bool Settings::load_scheme_settings(TQString schemeName){
 
 	tdeconfig->reparseConfiguration();
-	bool setToDefault = false;
 
 	if( schemeName == "Performance" || schemeName == i18n("Performance"))
 		 schemeName = "Performance";
@@ -78,7 +77,6 @@ bool Settings::load_scheme_settings(TQString schemeName){
 			// fallback to 'default-scheme'
 			tdeconfig->setGroup("default-scheme");
 			schemeName = "default-scheme";
-			setToDefault = true;
 		}
 		currentScheme = schemeName;
 
@@ -250,7 +248,6 @@ bool Settings::load_general_settings(){
 		psMsgAsPassivePopup = tdeconfig->readBoolEntry("psMsgAsPassivePopup",false);
 		forceDpmsOffOnLidClose = tdeconfig->readBoolEntry("forceDpmsOffOnLidClose",false);
 		unmountExternalOnSuspend = tdeconfig->readBoolEntry("unmountExternalOnSuspend",true);
-		callSetPowerSaveOnAC = tdeconfig->readBoolEntry("callSetPowerSaveOnAC",true);
 
 		lockmethod = tdeconfig->readEntry("lockMethod", "NULL");
 		if(lockmethod == "NULL") lockmethod = "automatic";
diff --git a/src/settings.h b/src/settings.h
index ebe577d..853963e 100644
--- a/src/settings.h
+++ b/src/settings.h
@@ -200,14 +200,6 @@ public:
 	 * \li false: if not
 	 */
 	bool forceDpmsOffOnLidClose;
-	//! if tdepowersave should call SetPowerSave() on HAL
-	/*!
-	 * This boolean tells if tdepowersave should call SetPowerSave on HAL depending
-	 * on the AC state.
-	 * \li true:  if should call
-	 * \li false: if not
-	 */
-	bool callSetPowerSaveOnAC;
 
 	//! time after resume to fake keyevent
 	/*!
diff --git a/src/tdepowersave.cpp b/src/tdepowersave.cpp
index c32701d..b0369d2 100644
--- a/src/tdepowersave.cpp
+++ b/src/tdepowersave.cpp
@@ -1790,14 +1790,6 @@ void tdepowersave::setSchemeSettings(){
 		}
 	}
 
-	// call setPowerSave() depending on AC state
-	if (settings->callSetPowerSaveOnAC) {
-		if (hwinfo->getAcAdapter())
-			hwinfo->setPowerSave(false);
-		else
-			hwinfo->setPowerSave(true);
-	}
-
 	// --> set autosuspend settings
 	if(settings->autoSuspend) {
 		setAutoSuspend(false);
@@ -2176,10 +2168,12 @@ void tdepowersave::handleActionCall ( action action, int value , bool checkAC, b
 				break;
 		}
 	} else if (batWarnCall) {
-		if (!hwinfo->isPolicyPowerIfaceOwned()) {
+		// FIXME
+		// Is there a way to check if is active power manager on currently active session?
+		if (true) {
 			switch (action) {
 				case GO_SHUTDOWN:
-					// to be shure if we really need the shutdown
+					// to be sure if we really need the shutdown
 					if ((checkAC && !hwinfo->getAcAdapter()) || !checkAC ) {
 						DCOPRef shutdown = DCOPRef( "ksmserver", "ksmserver" );
 						shutdown.send("logout", 0, 2, 2);
@@ -2509,7 +2503,7 @@ TQString tdepowersave::currentScheme (){
 	if(hwinfo->isOnline()) {
 		return settings->currentScheme;
 	} else {
-		return "ERROR: D-Bus and/or HAL not running";
+		return "ERROR: D-Bus not running";
 	}
 
 	kdDebugFuncOut(trace);
@@ -2540,7 +2534,7 @@ TQString tdepowersave::currentCPUFreqPolicy() {
 		}
 		return _cpuFreq;
 	} else {
-		return "ERROR: HAL or/and DBus not running";
+		return "ERROR: DBus not running";
 	}
 
 	kdDebugFuncOut(trace);
@@ -2630,7 +2624,7 @@ TQStringList tdepowersave::allowed_sleepingStates(){
 		}
 	}
 	else {
-		sleepList.append("ERROR: D-Bus and/or HAL not running");
+		sleepList.append("ERROR: D-Bus not running");
 	}
 
 	kdDebugFuncOut(trace);
@@ -2651,7 +2645,7 @@ TQStringList tdepowersave::listSchemes(){
 		}
 	}
 	else {
-		_schemeList.append("ERROR: D-Bus and/or HAL not running");
+		_schemeList.append("ERROR: D-Bus not running");
 	}
 
 	kdDebugFuncOut(trace);