diff -r 000000000000 -r 876b1a06bc25 src/systeminfo/qhalservice_linux_p.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/systeminfo/qhalservice_linux_p.h	Wed Aug 25 15:49:42 2010 +0300
@@ -0,0 +1,184 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QHALSERVICE_H
+#define QHALSERVICE_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <qmobilityglobal.h>
+
+#include <QtDBus/QtDBus>
+#include <QtDBus/QDBusConnection>
+#include <QtDBus/QDBusError>
+#include <QtDBus/QDBusInterface>
+#include <QtDBus/QDBusMessage>
+#include <QtDBus/QDBusReply>
+#include <QtDBus/QDBusPendingCallWatcher>
+
+#include <QVariantList>
+
+#define HAL_DBUS_SERVICE "org.freedesktop.Hal"
+
+#define HAL_DBUS_PATH "/org/freedesktop/Hal"
+#define HAL_DBUS_INTERFACE "org.freedesktop.Hal"
+
+#define HAL_DBUS_MANAGER_PATH "/org/freedesktop/Hal/Manager"
+#define HAL_DBUS_MANAGER_INTERFACE "org.freedesktop.Hal.Manager"
+
+#define HAL_DEVICE_PATH "/org/freedesktop/Hal/Device"
+#define HAL_DEVICE_INTERFACE "org.freedesktop.Hal.Device"
+
+#define HAL_DEVICES_PATH "/org/freedesktop/Hal/devices"
+
+#define HAL_DEVICES_LAPTOPPANEL_INTERFACE "org.freedesktop.Hal.Device.LaptopPanel"
+#define HAL_DEVICE_KILLSWITCH_INTERFACE "org.freedesktop.Hal.Device.KillSwitch"
+
+QTM_BEGIN_NAMESPACE
+
+typedef struct halProp {
+    QString propertyName;
+    bool added;
+    bool removed;
+} HalProperty;
+
+typedef QList<HalProperty> QHalPropertyList;
+
+QTM_END_NAMESPACE
+
+Q_DECLARE_METATYPE(QTM_PREPEND_NAMESPACE(QHalPropertyList))
+
+QTM_BEGIN_NAMESPACE
+
+class QHalInterfacePrivate;
+class QHalInterface : public QObject
+{
+    Q_OBJECT
+
+public:
+
+    QHalInterface(QObject *parent = 0);
+    ~QHalInterface();
+
+    bool isValid();
+    QDBusInterface *connectionInterface() const;
+    QStringList findDeviceByCapability(const QString &cap);
+    QStringList getAllDevices();
+    bool deviceExists(const QString &path);
+
+private Q_SLOTS:
+private:
+        QHalInterfacePrivate *d;
+
+};
+
+class QHalDeviceInterfacePrivate;
+class QHalDeviceInterface : public QObject
+{
+    Q_OBJECT
+    
+public:
+    QHalDeviceInterface(const QString &devicePathName, QObject *parent = 0);
+    ~QHalDeviceInterface();
+
+    bool isValid();
+    bool getPropertyBool(const QString &prop);
+    QString getPropertyString(const QString &prop);
+    QStringList getPropertyStringList(const QString &prop);
+    qint32 getPropertyInt(const QString &prop);
+
+    bool queryCapability(const QString &cap);
+    bool setConnections();
+    bool propertyExists(const QString &);
+
+Q_SIGNALS:
+    void propertyModified( int,  QVariantList);
+
+private:
+        QHalDeviceInterfacePrivate *d;
+
+};
+
+class QHalDeviceLaptopPanelInterfacePrivate;
+class QHalDeviceLaptopPanelInterface : public QObject
+{
+    Q_OBJECT
+
+public:
+    QHalDeviceLaptopPanelInterface(const QString &devicePathName, QObject *parent = 0);
+    ~QHalDeviceLaptopPanelInterface();
+    bool isValid();
+public:
+    quint32 getBrightness();
+    void setBrightness(quint32);
+
+private:
+        QHalDeviceLaptopPanelInterfacePrivate *d;
+};
+
+class QHalDeviceKillSwitchInterfacePrivate;
+class QHalDeviceKillSwitchInterface : public QObject
+{
+    Q_OBJECT
+
+public:
+    QHalDeviceKillSwitchInterface(const QString &devicePathName, QObject *parent = 0);
+    ~QHalDeviceKillSwitchInterface();
+    bool isValid();
+public:
+    quint32 getPower(); //returns 1 if on
+
+private:
+        QHalDeviceKillSwitchInterfacePrivate *d;
+};
+
+QTM_END_NAMESPACE
+
+#endif //