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3** Copyright (C) 2016 The Qt Company Ltd.
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the QtSensors module of the Qt Toolkit.
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27****************************************************************************/
28
29#include "test_sensorimpl.h"
30#include "test_sensor2impl.h"
31#include <qsensorplugin.h>
32#include <qsensorbackend.h>
33#include <qsensormanager.h>
34#include <QFile>
35#include <QDebug>
36#include <QTest>
37
38class TestSensorPlugin : public QObject,
39 public QSensorPluginInterface,
40 public QSensorChangesInterface,
41 public QSensorBackendFactory
42{
43 Q_OBJECT
44 Q_PLUGIN_METADATA(IID "com.qt-project.Qt.QSensorPluginInterface/1.0")
45 Q_INTERFACES(QSensorPluginInterface QSensorChangesInterface)
46public:
47 void registerSensors() override
48 {
49 static bool recursive = false;
50 QVERIFY2(!recursive, "Recursively called TestSensorPlugin::registerSensors!");
51 if (recursive) return;
52 recursive = true;
53
54
55 // This is bad code. It caused a crash due to recursively calling
56 // loadPlugins() in qsensormanager.cpp (because loadPlugins() did
57 // not set the pluginsLoaded flag soon enough).
58 (void)QSensor::defaultSensorForType(type: TestSensor::type);
59
60 QSensorManager::registerBackend(type: TestSensor::type, identifier: testsensorimpl::id, factory: this);
61 QSensorManager::registerBackend(type: TestSensor::type, identifier: "test sensor 2", factory: this);
62 QSensorManager::registerBackend(type: TestSensor2::type, identifier: testsensor2impl::id, factory: this);
63 }
64
65 void sensorsChanged() override
66 {
67 // Register a new type on initial load
68 // This is testing the "don't emit availableSensorsChanged() too many times" functionality.
69 if (!QSensorManager::isBackendRegistered(type: TestSensor::type, identifier: "test sensor 3"))
70 QSensorManager::registerBackend(type: TestSensor::type, identifier: "test sensor 3", factory: this);
71
72 // When a sensor of type "a random type" is registered, register another sensor.
73 // This is testing the "don't emit availableSensorsChanged() too many times" functionality.
74 if (!QSensor::defaultSensorForType(type: "a random type").isEmpty()) {
75 if (!QSensorManager::isBackendRegistered(type: "a random type 2", identifier: "random.dynamic"))
76 QSensorManager::registerBackend(type: "a random type 2", identifier: "random.dynamic", factory: this);
77 } else {
78 if (QSensorManager::isBackendRegistered(type: "a random type 2", identifier: "random.dynamic"))
79 QSensorManager::unregisterBackend(type: "a random type 2", identifier: "random.dynamic");
80 }
81 }
82
83 QSensorBackend *createBackend(QSensor *sensor) override
84 {
85 if (sensor->identifier() == testsensorimpl::id) {
86 return new testsensorimpl(sensor);
87 }
88 if (sensor->identifier() == testsensor2impl::id) {
89 return new testsensor2impl(sensor);
90 }
91
92 qWarning() << "Can't create backend" << sensor->identifier();
93 return 0;
94 }
95};
96
97Q_IMPORT_PLUGIN(TestSensorPlugin)
98
99#include "test_sensorplugin.moc"
100

source code of qtsensors/tests/auto/qsensor/test_sensorplugin.cpp