TrafficDataSource_BluetoothClassic.h

/***************************************************************************
 *   Copyright (C) 2024 by Stefan Kebekus                                  *
 *   stefan.kebekus@gmail.com                                              *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 3 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/
 
#pragma once
 
#include <QBluetoothDeviceInfo>
#include <QBluetoothPermission>
#include <QBluetoothSocket>
 
#include "traffic/TrafficDataSource_AbstractSocket.h"
 
using namespace Qt::Literals::StringLiterals;
 
 
namespace Traffic {

 
class TrafficDataSource_BluetoothClassic : public TrafficDataSource_AbstractSocket {
    Q_OBJECT
 
public:
    TrafficDataSource_BluetoothClassic(bool isCanonical, const QBluetoothDeviceInfo& info, QObject* parent);
 
    // Standard destructor
    ~TrafficDataSource_BluetoothClassic() override = default;
 
 
 
    //
    // Properties
    //

    Q_PROPERTY(QBluetoothDeviceInfo sourceInfo READ sourceInfo CONSTANT)
 
 
 
    //
    // Getter Methods
    //
 
    
    [[nodiscard]] Traffic::ConnectionInfo connectionInfo() const override
    {
        return Traffic::ConnectionInfo(m_info, canonical());
    }

    [[nodiscard]] QString dataFormat() const override { return u"FLARM/NMEA"_s; }

    [[nodiscard]] QString icon() const override { return u"/icons/material/ic_bluetooth.svg"_s; }

    [[nodiscard]] QString sourceName() const override;

    [[nodiscard]] QBluetoothDeviceInfo sourceInfo() const
    {
        return m_info;
    }
 
 
public slots:
    void connectToTrafficReceiver() override;

    void disconnectFromTrafficReceiver() override;
 
private slots:
    // Handle BT socket errors
    void onErrorOccurred(QBluetoothSocket::SocketError error);
 
    // Handle BT socket state changes
    void onStateChanged(QBluetoothSocket::SocketState state);
 
    // Read and process received NMEA sentences
    void onReadyRead();
 
private:
    Q_DISABLE_COPY_MOVE(TrafficDataSource_BluetoothClassic)
 
    // Copied from the constructor
    QBluetoothDeviceInfo m_info;
 
    // Permissions
    QBluetoothPermission m_bluetoothPermission;
 
    // Bluetooth socket used for reading data
    QBluetoothSocket m_socket {QBluetoothServiceInfo::RfcommProtocol};
 
    // Text stream used for reading NMEA sentences
    QTextStream m_textStream {&m_socket};
};
 
} // namespace Traffic