qtmobility/plugins/sensors/maemo6/maemo6tapsensor.cpp
changeset 5 453da2cfceef
child 8 71781823f776
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/qtmobility/plugins/sensors/maemo6/maemo6tapsensor.cpp	Fri May 14 16:41:33 2010 +0300
@@ -0,0 +1,105 @@
+/****************************************************************************
+**
+** 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 "maemo6tapsensor.h"
+
+#include "sensord/filters/tapdata.h"
+
+const char *maemo6tapsensor::id("maemo6.tapsensor");
+bool maemo6tapsensor::m_initDone = false;
+
+maemo6tapsensor::maemo6tapsensor(QSensor *sensor)
+    : maemo6sensorbase(sensor), m_sensor(sensor)
+{
+    setReading<QTapReading>(&m_reading);
+
+    if (!m_initDone) {
+        qDBusRegisterMetaType<Tap>();
+        initSensor<TapSensorChannelInterface>("tapsensor");
+
+        if (m_sensorInterface)
+            QObject::connect(static_cast<TapSensorChannelInterface*>(m_sensorInterface), SIGNAL(dataAvailable(const Tap&)), this, SLOT(slotDataAvailable(const Tap&)));
+        else
+            qWarning() << "Unable to initialize tap sensor.";
+
+        // metadata
+        addOutputRange(0, 9, 1);
+        setDescription(QLatin1String("Measures single and double taps and gives tap direction"));
+
+        m_initDone = true;
+    }
+}
+
+void maemo6tapsensor::slotDataAvailable(const Tap& data)
+{
+    // Set tap type (single/double)
+    bool doubleTap;
+    switch (data.type()) {
+        case TapData::DoubleTap: doubleTap = true; break;
+        case TapData::SingleTap: doubleTap = false; break;
+        default:                 doubleTap = false;
+    }
+    QVariant v = m_sensor->property("returnDoubleTapEvents");
+    if (v.isValid() && v.toBool() == false)
+        m_reading.setDoubleTap(false);
+    else
+        m_reading.setDoubleTap(doubleTap);
+
+    // Set tap direction
+    QTapReading::TapDirection o;
+    switch (data.direction()) {
+        case TapData::X:         o = QTapReading::X;         break;
+        case TapData::Y:         o = QTapReading::Y;         break;
+        case TapData::Z:         o = QTapReading::Z;         break;
+        case TapData::LeftRight: o = QTapReading::X_Pos;     break;
+        case TapData::RightLeft: o = QTapReading::X_Neg;     break;
+        case TapData::TopBottom: o = QTapReading::Z_Neg;     break;
+        case TapData::BottomTop: o = QTapReading::Z_Pos;     break;
+        case TapData::FaceBack:  o = QTapReading::Y_Pos;     break;
+        case TapData::BackFace:  o = QTapReading::Y_Neg;     break;
+        default:                 o = QTapReading::Undefined;
+    }
+    m_reading.setTapDirection(o);
+
+    //m_reading.setTimestamp(data.timestamp());
+    m_reading.setTimestamp(createTimestamp()); //TODO: use correct timestamp
+    newReadingAvailable();
+}