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 /*
     SPDX-FileCopyrightText: 2012 Jasem Mutlaq <mutlaqja@ikarustech.com>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 
     Handle INDI Standard properties.
 */
 
 #pragma once
 
 #include "indi/indistd.h"
 
 #include <indiproperty.h>
 
 #include <QObject>
 
 class ClientManager;
 class FITSViewer;
 class DeviceInfo;
 
 /**
  * @class INDIListener
  * INDIListener is responsible for creating ISD::GDInterface generic devices as new devices arrive from
  * ClientManager. It can support multiple ClientManagers and will first create a generic INDI device.
  * Upon arrival of INDI properties, INDIListener can create specialized devices (e.g. Telescope) if it
  * detects key Standard INDI property that signifies a particular device family. The generic device
  * functionality is extended via the Decorator design pattern.
  *
  * INDIListener also delegates INDI properties as they are received from ClientManager to the appropriate
  * device to be processed.
  *
  * @author Jasem Mutlaq
  */
 class INDIListener : public QObject
 {
         Q_OBJECT
 
     public:
         static INDIListener *Instance();
         // Convenience function
         static const QList<QSharedPointer<ISD::GenericDevice>> &devices()
         {
             return INDIListener::Instance()->getDevices();
         }
         static const QList<QSharedPointer<ISD::GenericDevice>> devicesByInterface(uint32_t interface)
         {
             QList<QSharedPointer<ISD::GenericDevice>> filteredDevices;
             auto all = devices();
             std::copy_if(all.begin(), all.end(), std::back_inserter(filteredDevices), [interface](auto & oneDevice)
             {
                 return oneDevice->getDriverInterface() & interface;
             });
             return filteredDevices;
         }
         static bool findDevice(const QString &name, QSharedPointer<ISD::GenericDevice> &device);
 
         void addClient(ClientManager *cm);
         void removeClient(ClientManager *cm);
 
         bool getDevice(const QString &name, QSharedPointer<ISD::GenericDevice> &device) const;
         const QList<QSharedPointer<ISD::GenericDevice>> &getDevices() const
         {
             return m_Devices;
         }
 
         int size() const
         {
             return m_Devices.size();
         }
 
     public slots:
         void processDevice(DeviceInfo *dv);
         void removeDevice(const QString &deviceName);
 
         void registerProperty(INDI::Property prop);
         void updateProperty(INDI::Property prop);
         void removeProperty(INDI::Property prop);
 
         void processMessage(INDI::BaseDevice dp, int messageID);
         void processUniversalMessage(const QString &message);
 
     private:
         explicit INDIListener(QObject *parent);
 
         static INDIListener *_INDIListener;
 
         QList<ClientManager *> clients;
         QList<QSharedPointer<ISD::GenericDevice>> m_Devices;
 
 
     signals:
         void newDevice(const QSharedPointer<ISD::GenericDevice> &device);
         void deviceRemoved(const QSharedPointer<ISD::GenericDevice> &device);
 };