ProjectStatus.cpp

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/**********************************************************************
 
Audacity: A Digital Audio Editor
 
ProjectStatus.h
 
Paul Licameli
 
**********************************************************************/
 
#include "ProjectStatus.h"
 
#include "Project.h"
 
static const AudacityProject::AttachedObjects::RegisteredFactory key{
  []( AudacityProject &parent ){
     return std::make_shared< ProjectStatus >( parent );
   }
};
 
ProjectStatus &ProjectStatus::Get( AudacityProject &project )
{
   return project.AttachedObjects::Get< ProjectStatus >( key );
}
 
const ProjectStatus &ProjectStatus::Get( const AudacityProject &project )
{
   return Get( const_cast< AudacityProject & >( project ) );
}
 
ProjectStatus::ProjectStatus( AudacityProject &project )
   : mProject{ project }
{
}
 
ProjectStatus::~ProjectStatus() = default;
 
namespace
{
   ProjectStatus::StatusWidthFunctions &statusWidthFunctions()
   {
      static ProjectStatus::StatusWidthFunctions theFunctions;
      return theFunctions;
   }
}
 
ProjectStatus::RegisteredStatusWidthFunction::RegisteredStatusWidthFunction(
   const StatusWidthFunction &function )
{
   statusWidthFunctions().emplace_back( function );
}
 
auto ProjectStatus::GetStatusWidthFunctions() -> const StatusWidthFunctions &
{
   return statusWidthFunctions();
}
 
const TranslatableString &ProjectStatus::Get( StatusBarField field ) const
{
   return mLastStatusMessages[ field - 1 ];
}
 
void ProjectStatus::Set(const TranslatableString &msg, StatusBarField field )
{
   auto &project = mProject;
   auto &lastMessage = mLastStatusMessages[ field - 1 ];
   // compare full translations not msgids!
   if ( msg.Translation() != lastMessage.Translation() ) {
      lastMessage = msg;
      Publish(field);
   }
}
 
void ProjectStatus::UpdatePrefs()
{
   auto &project = mProject;
   for (auto field = 1; field <= nStatusBarFields; ++field)
      Publish(static_cast<StatusBarField>(field));
}