Method startDiscovery

app/src/IO/Drivers/BluetoothLE.cpp:845–885

* @brief Starts the shared BLE device discovery process. */

 * @brief Starts the shared BLE device discovery process.
 */
void IO::Drivers::BluetoothLE::startDiscovery()
{
  if (!operatingSystemSupported())
    return;

  initializeSharedState();

  if (!s_adapterAvailable)
    return;

  if (s_discoveryAgent && s_discoveryAgent->isActive())
    return;

  if (s_discoveryAgent) {
    QObject::disconnect(s_discoveryAgent, nullptr, nullptr, nullptr);
    s_discoveryAgent->deleteLater();
    s_discoveryAgent = nullptr;
  }

  s_discoveryAgent = new QBluetoothDeviceDiscoveryAgent();
  QObject::connect(s_discoveryAgent,
                   &QBluetoothDeviceDiscoveryAgent::deviceDiscovered,
                   s_discoveryAgent,
                   [](const QBluetoothDeviceInfo& d) { onDeviceDiscovered(d); });

#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
  QObject::connect(
    s_discoveryAgent,
    static_cast<void (QBluetoothDeviceDiscoveryAgent::*)(QBluetoothDeviceDiscoveryAgent::Error)>(
      &QBluetoothDeviceDiscoveryAgent::error),
    s_discoveryAgent,
    [](QBluetoothDeviceDiscoveryAgent::Error e) { onDiscoveryError(e); });
#else
  QObject::connect(s_discoveryAgent,
                   &QBluetoothDeviceDiscoveryAgent::errorOccurred,
                   s_discoveryAgent,
                   [](QBluetoothDeviceDiscoveryAgent::Error e) { onDiscoveryError(e); });
#endif

  s_discoveryAgent->start(QBluetoothDeviceDiscoveryAgent::LowEnergyMethod);
}

/**
 * @brief Changes the index of the device selected by the user.