| /**************************************************************************** |
| ** |
| ** Copyright (C) 2017 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtSensors module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:BSD$ |
| ** Commercial License Usage |
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| ** BSD License Usage |
| ** Alternatively, you may use this file under the terms of the BSD license |
| ** as follows: |
| ** |
| ** "Redistribution and use in source and binary forms, with or without |
| ** modification, are permitted provided that the following conditions are |
| ** met: |
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| ****************************************************************************/ |
| |
| #include "explorer.h" |
| #include <QtCore/QDebug> |
| #include <qsensor.h> |
| #include <QMetaObject> |
| #include <QMetaProperty> |
| |
| QT_BEGIN_NAMESPACE |
| |
| /* |
| \class QSensorExplorer |
| \brief The QSensorExplorer type provides an easy access for reading all avalaible sensors installed on the system. |
| */ |
| |
| /* |
| Construct a QSensorExplorer object with parent \a parent |
| */ |
| QSensorExplorer::QSensorExplorer(QObject* parent) |
| : QObject(parent) |
| , _selectedSensorItem(0) |
| { |
| loadSensors(); |
| } |
| |
| /* |
| Destructor of a QSensorExplorer |
| */ |
| QSensorExplorer::~QSensorExplorer() |
| { |
| } |
| |
| /* |
| Load all available sensors and store it in a list. |
| */ |
| void QSensorExplorer::loadSensors() |
| { |
| //! [0] |
| _availableSensors.clear(); |
| |
| foreach (const QByteArray &type, QSensor::sensorTypes()) { |
| qDebug() << "Found type" << type; |
| foreach (const QByteArray &identifier, QSensor::sensorsForType(type)) { |
| qDebug() << "Found identifier" << identifier; |
| // Don't put in sensors we can't connect to |
| QSensor* sensor = new QSensor(type, this); |
| sensor->setIdentifier(identifier); |
| if (!sensor->connectToBackend()) { |
| qDebug() << "Couldn't connect to" << identifier; |
| continue; |
| } |
| |
| qDebug() << "Adding identifier" << identifier; |
| _availableSensors.append(new QSensorItem(sensor, this)); |
| } |
| } |
| emit availableSensorsChanged(); |
| //! [0] |
| } |
| |
| /* |
| \fn QSensorExplorer::availableSensorsChanged() |
| Notifies the client if the list of the available sensors was changed |
| */ |
| |
| /* |
| \property QSensorExplorer::availableSensors |
| Returns a list of all available sensor. |
| */ |
| QQmlListProperty<QSensorItem> QSensorExplorer::availableSensors() |
| { |
| return QQmlListProperty<QSensorItem>(this, &_availableSensors); |
| } |
| |
| /* |
| \fn QSensorExplorer::selectedSensorItemChanged() |
| Notifies the client if the selected sensor has been changed |
| */ |
| |
| /* |
| \property QSensorExplorer::selectedSensorItem |
| Returns the current selected sensor item. |
| */ |
| QSensorItem* QSensorExplorer::selectedSensorItem() |
| { |
| return _selectedSensorItem; |
| } |
| |
| /* |
| \fn QSensorExplorer::setSelectedSensorItem(QSensorItem* selitem) |
| Sets the QSensorItem \a selitem as the current selected QSensorItem. |
| */ |
| void QSensorExplorer::setSelectedSensorItem(QSensorItem* selitem) |
| { |
| if (selitem && _selectedSensorItem != selitem) { |
| if (_selectedSensorItem) |
| _selectedSensorItem->unSelect(); |
| _selectedSensorItem = selitem; |
| _selectedSensorItem->select(); |
| emit selectedSensorItemChanged(); |
| } |
| } |
| |
| QT_END_NAMESPACE |