explorer.cpp Example File

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 #include "explorer.h"
 #include <QtCore/QDebug>
 #include <qsensor.h>
 #include <QMetaObject>
 #include <QMetaProperty>

 /*
     \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()
 {
     _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();
 }

 /*
     \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();
     }
 }