DtPostProcessManagerInterface.h

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/*****************************************************************************
 * Copyright (c) 2020 MAK Technologies, Inc.
 * All rights reserved.
 *****************************************************************************/

 
#pragma once

#include <vrvCore/vrvCore.h>
#include <vrvUtil/DtVirtualBaseClass.h>
#include <vrvUtil/DtSignalConnectionManager.h>

namespace makVrv 
{ 
   class DtChannel;
   class DtChannelManager;

   class DT_DLL_VRVCORE DtPostProcessManagerInterface : public DtVirtualBaseClass
   {
   public:
      typedef std::list<std::string> EffectNameList;

      virtual ~DtPostProcessManagerInterface();

      static DtPostProcessManagerInterface& instance(DtDe& de);

      static std::string theClassName();

      void setPostProcessorsEnabled(bool enable);

      bool postProcessorsEnabled() const;

      virtual void update(DtChannel *channel) = 0;

      virtual bool enableEffects(DtChannel* channel, EffectNameList& effectPostList) = 0;

      virtual bool disableEffects(DtChannel* channel, EffectNameList& effectPostList) = 0;

   protected:
      DtPostProcessManagerInterface();

      DtPostProcessManagerInterface(DtDe& de);

      virtual void slot_channelCreated(DtChannelManager* channelManager, DtChannel* channel) = 0;

      virtual void slot_channelDestroyed(DtChannelManager* channelManager, DtChannel* channel) = 0;

   protected:
      // For listening for channel creation
      DtSignalConnectionManager myConnections;

      DtDe& myDe;

      // Enable or disable the post processor chain from running
      // NOTE: This does not change whether individual post effects
      // are enabled or whether the channel has enabled or disabled effects
      bool myEnablePostProcessors;
   };

   class DT_DLL_VRVCORE DtPostProcessManagerInterfaceCreator : public DtVirtualBaseClass
   {
   public:
       static DtPostProcessManagerInterfaceCreator& instance(DtDe& de);

       static void registerInstance(DtDe& de, DtPostProcessManagerInterfaceCreator* instance);

       virtual DtPostProcessManagerInterface* create(DtDe& de) = 0;
   };
}