Add ISimulatorListener interface

src/blackcore/simulator.cpp

@@ -23,6 +23,10 @@ namespace BlackCore
     {
         emit simulatorStatusChanged(isConnected(), isSimulating(), isPaused());
     }
+    
+    ISimulatorListener::ISimulatorListener(QObject* parent) : QObject(parent)
+    {
+    }
 
     CSimulatorCommon::CSimulatorCommon(const BlackSim::CSimulatorInfo &simInfo, BlackMisc::Simulation::IOwnAircraftProvider *ownAircraftProvider, BlackMisc::Simulation::IRemoteAircraftProvider *remoteAircraftProvider, QObject *parent)
         : ISimulator(parent),
@@ -196,6 +200,7 @@ namespace BlackCore
     {
         this->m_debugMessages = driver;
         Q_UNUSED(interpolator);
+    
     }
 
     int CSimulatorCommon::getInstalledModelsCount() const

src/blackcore/simulator.h

@@ -192,7 +192,7 @@ namespace BlackCore
         //! Simulator started
         void simulatorStarted();
 
-        //! Simulator stopped;
+        //! Simulator stopped
         void simulatorStopped();
 
         //! A single model has been matched
@@ -210,6 +210,38 @@ namespace BlackCore
         void emitSimulatorCombinedStatus();
 
     };
+    
+    /*!
+     * Interface to a simulator listener.
+     * 
+     * The simulator listener is responsible for letting the core know when
+     * the corresponding simulator is started.
+     */
+    class ISimulatorListener : public QObject
+    {
+        Q_OBJECT
+        
+    public:
+        
+        //! Constructor
+        //! \sa ISimulatorFactory::createListener().
+        ISimulatorListener(QObject* parent);
+        
+        //! Destructor
+        virtual ~ISimulatorListener() = default;
+        
+        //! Start listening for the simulator to start.
+        virtual void start() = 0;
+        
+        //! Stops listening.
+        virtual void stop() = 0;
+        
+    signals:
+        
+        //! Emitted when the listener discovers the simulator running.
+        void simulatorStarted(BlackSim::CSimulatorInfo simulatorInfo);
+        
+    };
 
     //! Factory pattern class to create instances of ISimulator
     class ISimulatorFactory
@@ -233,6 +265,9 @@ namespace BlackCore
 
         //! Simulator info
         virtual BlackSim::CSimulatorInfo getSimulatorInfo() const = 0;
+        
+        //! Simulator listener instance
+        virtual ISimulatorListener *createListener(QObject *parent = nullptr) = 0;
     };
 
     //! Common base class with providers, interface and some base functionality