/****************************************************************************
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** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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** This file is part of the QtSensors module of the Qt Toolkit.
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** Public License version 3.0 as published by the Free Software Foundation
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****************************************************************************/

#include <QTapSensor>
#include "qdoubletapsensorgesturerecognizer.h"
QT_BEGIN_NAMESPACE

QDoubleTapSensorGestureRecognizer::QDoubleTapSensorGestureRecognizer(QObject *parent) :
    QSensorGestureRecognizer(parent)
{
}

QDoubleTapSensorGestureRecognizer::~QDoubleTapSensorGestureRecognizer()
{
}

void QDoubleTapSensorGestureRecognizer::create()
{
    tapSensor = new QTapSensor(this);
    tapSensor->connectToBackend();
}


QString QDoubleTapSensorGestureRecognizer::id() const
{
    return QString("QtSensors.doubletap");
}

bool QDoubleTapSensorGestureRecognizer::start()
{
    connect(tapSensor,SIGNAL(readingChanged()),this,SLOT(tapChanged()));
    tapSensor->start();
    return isActive();
}

bool QDoubleTapSensorGestureRecognizer::stop()
{
    tapSensor->stop();
    disconnect(tapSensor,SIGNAL(readingChanged()),this,SLOT(tapChanged()));
    return isActive();
}

bool QDoubleTapSensorGestureRecognizer::isActive()
{
    return tapSensor->isActive();
}

void QDoubleTapSensorGestureRecognizer::tapChanged()
{
    QTapReading *reading = tapSensor->reading();
    if (reading->isDoubleTap()) {
        Q_EMIT doubletap();
        Q_EMIT detected("doubletap");
    }
}


QT_END_NAMESPACE