DtOsgEarthStreamedFeatureCallback.h

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/******************************************************************************
** Copyright (c) 2021 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/


#pragma once
#include <vrvOsgEarth/vrvOsgEarth.h>
#include <vrvOsg/DtOsgEarthFeatureDataBroker.h>

#include <vrvCore/DtVirtualBaseClassCreator.h>

namespace makVrv
{
   class DtOsgEarthStreamedFeatureManager;


   class DtOsgEarthStreamedFeatureCallback;

   typedef DtVirtualBaseClassCreator<DtOsgEarthStreamedFeatureCallback, DtOsgEarthStreamedFeatureManager&> DtOsgEarthStreamedFeatureCallbackCreator;

   template <>
   inline const char* creatorTypeName<DtOsgEarthStreamedFeatureCallback>(void) { return "DtOsgEarthStreamedFeatureCallbackCreator"; }

   class DT_DLL_VRVOSGEARTH DtOsgEarthStreamedFeatureCallback
      : public DtOsgEarthFeatureDataBroker::Callback
   {
   protected:
      virtual ~DtOsgEarthStreamedFeatureCallback();

      // CTOR
      DtOsgEarthStreamedFeatureCallback(DtDe& de, DtOsgEarthStreamedFeatureManager& featureMgr);

      friend DtOsgEarthStreamedFeatureCallbackCreator;

   private:
      DtOsgEarthStreamedFeatureCallback(const DtOsgEarthStreamedFeatureCallback &other) = delete;
      DtOsgEarthStreamedFeatureCallback &operator=(const DtOsgEarthStreamedFeatureCallback &other) = delete;

   public: // DtOsgEarthFeatureDataBroker::Callback interface

      // Invoked by the broker when the layer is first loaded.
      virtual void onLayerLoaded(const osgEarth::MapNode* mapNode,
         osgEarth::Layer* layer) override;

      virtual void onDataPreMerge(const osgEarth::Layer* layer,
         osg::Node* data) override;

      // Invoked by the broker when new data arrives.
      virtual void onDataLoaded(const osgEarth::Layer* layer,
         const osg::Node* data) override;

      virtual float callbackOrder() override;

      virtual const std::string& instanceClassName() const override;

   public:
      static const std::string& className();

   protected:
      static const std::string theClassName;

   protected:
      DtOsgEarthStreamedFeatureManager& myFeatureManager;
      DtDe& myDe;
   };
}