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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qcoversensorgesturerecognizer.h"
#include "qtsensorgesturesensorhandler.h"
QT_BEGIN_NAMESPACE
QCoverSensorGestureRecognizer::QCoverSensorGestureRecognizer(QObject *parent)
: QSensorGestureRecognizer(parent),
orientationReading(0),
proximityReading(0),
timer(0),
active(0),
detecting(0)
{
}
QCoverSensorGestureRecognizer::~QCoverSensorGestureRecognizer()
{
}
void QCoverSensorGestureRecognizer::create()
{
timer = new QTimer(this);
connect(timer,SIGNAL(timeout()),this,SLOT(timeout()));
timer->setSingleShot(true);
timer->setInterval(750);
}
QString QCoverSensorGestureRecognizer::id() const
{
return QString("QtSensors.cover");
}
bool QCoverSensorGestureRecognizer::start()
{
if (QtSensorGestureSensorHandler::instance()->startSensor(QtSensorGestureSensorHandler::Proximity)) {
if (QtSensorGestureSensorHandler::instance()->startSensor(QtSensorGestureSensorHandler::Orientation)) {
active = true;
connect(QtSensorGestureSensorHandler::instance(),SIGNAL(proximityReadingChanged(QProximityReading*)),
this,SLOT(proximityChanged(QProximityReading*)));
connect(QtSensorGestureSensorHandler::instance(),SIGNAL(orientationReadingChanged(QOrientationReading*)),
this,SLOT(orientationReadingChanged(QOrientationReading*)));
} else {
QtSensorGestureSensorHandler::instance()->stopSensor(QtSensorGestureSensorHandler::Proximity);
active = false;
}
} else {
active = false;
}
return active;
}
bool QCoverSensorGestureRecognizer::stop()
{
QtSensorGestureSensorHandler::instance()->stopSensor(QtSensorGestureSensorHandler::Proximity);
QtSensorGestureSensorHandler::instance()->stopSensor(QtSensorGestureSensorHandler::Orientation);
disconnect(QtSensorGestureSensorHandler::instance(),SIGNAL(proximityReadingChanged(QProximityReading*)),
this,SLOT(proximityChanged(QProximityReading*)));
disconnect(QtSensorGestureSensorHandler::instance(),SIGNAL(orientationReadingChanged(QOrientationReading*)),
this,SLOT(orientationReadingChanged(QOrientationReading*)));
active = false;
timer->stop();
return active;
}
bool QCoverSensorGestureRecognizer::isActive()
{
return active;
}
void QCoverSensorGestureRecognizer::proximityChanged(QProximityReading *reading)
{
if (orientationReading == 0)
return;
proximityReading = reading->close();
// look at case of face up->face down->face up.
if (orientationReading->orientation() == QOrientationReading::FaceUp
&& proximityReading) {
if (!timer->isActive()) {
timer->start();
detecting = true;
}
}
}
void QCoverSensorGestureRecognizer::orientationReadingChanged(QOrientationReading *reading)
{
orientationReading = reading;
}
void QCoverSensorGestureRecognizer::timeout()
{
if ((orientationReading->orientation() == QOrientationReading::FaceUp)
&& proximityReading) {
Q_EMIT cover();
Q_EMIT detected("cover");
detecting = false;
}
}
QT_END_NAMESPACE
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