File indexing completed on 2024-10-13 03:29:38 

0001 /*
0002     SPDX-FileCopyrightText: 2017 Artem Fedoskin <afedoskin3@gmail.com>
0003     SPDX-License-Identifier: GPL-2.0-or-later
0004 */
0005 #include "deviceorientation.h"
0006 
0007 #if defined(Q_OS_ANDROID)
0008 #include <QAndroidJniObject>
0009 #include <QtAndroidExtras>
0010 #include <QtAndroid>
0011 #define ALPHA_LOW_PASS 0.1
0012 #endif
0013 
0014 DeviceOrientation::DeviceOrientation(QObject *parent) : QObject(parent)
0015 {
0016 }
0017 
0018 void DeviceOrientation::stopSensors()
0019 {
0020 #if defined(Q_OS_ANDROID)
0021     QAndroidJniObject activity = QtAndroid::androidActivity();
0022     activity.callMethod<void>("stopSensors");
0023 #endif
0024 }
0025 
0026 void DeviceOrientation::startSensors()
0027 {
0028 #if defined(Q_OS_ANDROID)
0029     QAndroidJniObject activity = QtAndroid::androidActivity();
0030     activity.callMethod<void>("startSensors");
0031 #endif
0032 }
0033 
0034 void DeviceOrientation::getOrientation()
0035 {
0036 #if defined(Q_OS_ANDROID)
0037     QAndroidJniObject activity = QtAndroid::androidActivity();
0038     m_Azimuth                  = m_Azimuth + ALPHA_LOW_PASS * (activity.callMethod<float>("getAzimuth") - m_Azimuth);
0039     m_Altitude                 = m_Altitude + ALPHA_LOW_PASS * (activity.callMethod<float>("getPitch") - m_Altitude);
0040 
0041     float newRoll = activity.callMethod<float>("getRoll");
0042     m_Roll        = abs(newRoll - m_Roll) > 10 ? newRoll : m_Roll + ALPHA_LOW_PASS * (newRoll - m_Roll);
0043 #endif
0044 }