1 files changed, 139 insertions, 0 deletions
diff --git a/src/plugins/sensorgestures/qtsensors/qwhipsensorgesturerecognizer.cpp b/src/plugins/sensorgestures/qtsensors/qwhipsensorgesturerecognizer.cpp
new file mode 100644
index 00000000..15322dfc
--- /dev/null
+++ b/src/plugins/sensorgestures/qtsensors/qwhipsensorgesturerecognizer.cpp
@@ -0,0 +1,139 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtSensors module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** 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.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+
+#include "qwhipsensorgesturerecognizer.h"
+QT_BEGIN_NAMESPACE
+
+QWhipSensorGestureRecognizer::QWhipSensorGestureRecognizer(QObject *parent) :
+    QSensorGestureRecognizer(parent), whipIt(0)
+{
+}
+
+QWhipSensorGestureRecognizer::~QWhipSensorGestureRecognizer()
+{
+}
+
+void QWhipSensorGestureRecognizer::create()
+{
+    accel = new QAccelerometer(this);
+    accel->connectToBackend();
+    timer = new QTimer(this);
+
+    qoutputrangelist outputranges = accel->outputRanges();
+
+    if (outputranges.count() > 0)
+        accelRange = (int)(outputranges.at(0).maximum *2);
+    else
+        accelRange = 44; //this should never happen
+qDebug() << accelRange;
+    connect(timer,SIGNAL(timeout()),this,SLOT(timeout()));
+    timer->setSingleShot(true);
+    timer->setInterval(750);
+
+}
+
+QString QWhipSensorGestureRecognizer::id() const
+{
+    return QString("QtSensors.whip");
+}
+
+bool QWhipSensorGestureRecognizer::start()
+{
+    connect(accel,SIGNAL(readingChanged()),this,SLOT(accelChanged()));
+    active = accel->start();
+
+    return active;
+}
+
+bool QWhipSensorGestureRecognizer::stop()
+{
+    accel->stop();
+    active = accel->isActive();
+    disconnect(accel,SIGNAL(readingChanged()),this,SLOT(accelChanged()));
+    return !active;
+}
+
+bool QWhipSensorGestureRecognizer::isActive()
+{
+    return active;
+}
+
+void QWhipSensorGestureRecognizer::accelChanged()
+{
+    qreal x = accel->reading()->x();
+    qreal y = accel->reading()->y();
+
+    if (whipIt) {
+        qreal difference = lastX - x;
+//        qDebug() << Q_FUNC_INFO << x << difference << wasNegative;
+
+        if ((!wasNegative && difference > accelRange * .75) //58
+                || (wasNegative && difference < -accelRange * .75)) {
+
+//            qDebug() << Q_FUNC_INFO << "WHIP";
+            Q_EMIT whip();
+            Q_EMIT detected("whip");
+            whipIt = false;
+        }
+//    } else if ((lastX - x) > (accelRange/2) || // 39
+//               (x - lastX) < -(accelRange/2)) {
+    } else if (x > (accelRange/3.3) || // 23
+               x < -(accelRange/3.3)) {
+        //start of gesture
+//        qDebug() << Q_FUNC_INFO << "start detection";
+        timer->start();
+        whipIt = true;
+        lastX = x;
+        if (lastX > 0)
+            wasNegative = false;
+        else
+            wasNegative = true;
+    }
+}
+
+void QWhipSensorGestureRecognizer::timeout()
+{
+//    qDebug() << Q_FUNC_INFO;
+    whipIt = false;
+}
+
+QT_END_NAMESPACE