NumericConverterFormatterContext.cpp

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/*  SPDX-License-Identifier: GPL-2.0-or-later */
/**********************************************************************
 
 Audacity: A Digital Audio Editor
 
 @file NumericConverterFormatterContext.cpp
 
 Dmitry Vedenko
 
 **********************************************************************/
#include "NumericConverterFormatterContext.h"
 
#include "Project.h"
#include "ProjectRate.h"
 
 
FormatterContext::FormatterContext(const AudacityProject& project)
    : mProject(project.weak_from_this())
{
}
 
FormatterContext::FormatterContext(double sampleRate)
    : mProjectRate { sampleRate }
{
}
 
FormatterContext FormatterContext::EmptyContext()
{
   return {};
}
 
FormatterContext
FormatterContext::ProjectContext(const AudacityProject& project)
{
   return FormatterContext { project };
}
 
FormatterContext FormatterContext::SampleRateContext(double sampleRate)
{
   return FormatterContext { sampleRate };
}
 
FormatterContext::~FormatterContext()
{
}
 
bool FormatterContext::HasProject() const
{
   return !mProject.expired();
}
 
std::shared_ptr<const AudacityProject> FormatterContext::GetProject() const
{
   return mProject.lock();
}
 
bool FormatterContext::HasSampleRate() const
{
   return HasProject() || mProjectRate.has_value();
}
 
double FormatterContext::GetSampleRate(double defaultSampleRate) const
{
   auto project = GetProject();
 
   if (project)
      return ProjectRate::Get(*project).GetRate();
 
   if (mProjectRate.has_value())
      return *mProjectRate;
 
   return defaultSampleRate;
}