diff -r cfcbf08528c4 -r 2b40d63a9c3d qtmobility/plugins/sensors/dummy/dummycommon.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/qtmobility/plugins/sensors/dummy/dummycommon.cpp	Fri Apr 16 15:51:22 2010 +0300
@@ -0,0 +1,124 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "dummycommon.h"
+
+#ifdef Q_OS_WINCE
+#include <windows.h>
+// WINCE has <time.h> but using clock() gives a link error because
+// the function isn't actually implemented.
+#else
+#include <time.h>
+#endif
+
+dummycommon::dummycommon(QSensor *sensor)
+    : QSensorBackend(sensor)
+    , m_timerid(0)
+{
+    setSupportedUpdatePolicies(QSensor::OccasionalUpdates |
+            QSensor::InfrequentUpdates |
+            QSensor::FrequentUpdates |
+            QSensor::TimedUpdates |
+            QSensor::PolledUpdates);
+}
+
+void dummycommon::start()
+{
+    if (m_timerid)
+        return;
+
+    int interval = m_sensor->updateInterval();
+
+    switch (m_sensor->updatePolicy()) {
+    case QSensor::OccasionalUpdates:
+        interval = 5000;
+        break;
+    case QSensor::InfrequentUpdates:
+        interval = 1000;
+        break;
+    case QSensor::Undefined: /* fall through */
+    case QSensor::FrequentUpdates:
+        interval = 100;
+        break;
+    case QSensor::TimedUpdates:
+        // already set
+        break;
+    default:
+        interval = 0;
+        break;
+    }
+
+    if (interval)
+        m_timerid = startTimer(interval);
+}
+
+void dummycommon::stop()
+{
+    if (m_timerid) {
+        killTimer(m_timerid);
+        m_timerid = 0;
+    }
+}
+
+void dummycommon::timerEvent(QTimerEvent * /*event*/)
+{
+    poll();
+}
+
+qtimestamp getTimestamp()
+{
+#ifdef Q_OS_WINCE
+    // This implementation is based on code found here:
+    // http://social.msdn.microsoft.com/Forums/en/vssmartdevicesnative/thread/74870c6c-76c5-454c-8533-812cfca585f8
+    HANDLE currentThread = GetCurrentThread();
+    FILETIME creationTime, exitTime, kernalTime, userTime;
+    GetThreadTimes(currentThread, &creationTime, &exitTime, &kernalTime, &userTime);
+
+    ULARGE_INTEGER uli;
+    uli.LowPart = userTime.dwLowDateTime;
+    uli.HighPart = userTime.dwHighDateTime;
+    ULONGLONG systemTimeInMS = uli.QuadPart/10000;
+    return static_cast<qtimestamp>(systemTimeInMS);
+#else
+    return clock();
+#endif
+}
+