ParameterQueuePool.h

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/**********************************************************************
 
  Audacity: A Digital Audio Editor
 
  @file ParameterQueuePool.h
 
  @author Vitaly Sverchinsky
 
  @brief Part of Audacity VST3 module
 
**********************************************************************/
 
#pragma once
 
#include <memory>
#include <vector>
#include <functional>
#include <pluginterfaces/base/smartpointer.h>
#include <pluginterfaces/vst/vsttypes.h>
 
#include "ParameterValueQueue.h"
 
namespace internal
{
 
   class ParameterValueQueue;
 
   class ParameterQueuePool final
   {
      std::vector<Steinberg::IPtr<ParameterValueQueue>> mPool;
   public:
 
      class QueueCleanup {
      public:
         void operator()(ParameterValueQueue* queue);
      };
 
      using ParameterValueQueuePtr = std::unique_ptr<
         ParameterValueQueue,
         QueueCleanup
      >;
 
      static ParameterQueuePool& Instance();
 
      ParameterValueQueuePtr Get(Steinberg::Vst::ParamID id);
 
      //Cleanup
      void Reset() noexcept;
      
   };
 
}