New files for ProjectAudioIO

src/ProjectAudioIO.cpp

@@ -0,0 +1,86 @@
+/**********************************************************************
+
+Audacity: A Digital Audio Editor
+
+ProjectAudioIO.cpp
+
+Paul Licameli split from AudacityProject.cpp
+
+**********************************************************************/
+
+#include "ProjectAudioIO.h"
+
+#include "AudioIO.h"
+#include "Project.h"
+
+static const AudacityProject::AttachedObjects::RegisteredFactory sAudioIOKey{
+  []( AudacityProject &parent ){
+     return std::make_shared< ProjectAudioIO >( parent );
+   }
+};
+
+ProjectAudioIO &ProjectAudioIO::Get( AudacityProject &project )
+{
+   return project.AttachedObjects::Get< ProjectAudioIO >( sAudioIOKey );
+}
+
+const ProjectAudioIO &ProjectAudioIO::Get( const AudacityProject &project )
+{
+   return Get( const_cast<AudacityProject &>(project) );
+}
+
+ProjectAudioIO::ProjectAudioIO( AudacityProject &project )
+: mProject{ project }
+{
+}
+
+ProjectAudioIO::~ProjectAudioIO()
+{
+}
+
+int ProjectAudioIO::GetAudioIOToken() const
+{
+   return mAudioIOToken;
+}
+
+void ProjectAudioIO::SetAudioIOToken(int token)
+{
+   mAudioIOToken = token;
+}
+
+bool ProjectAudioIO::IsAudioActive() const
+{
+   return GetAudioIOToken() > 0 &&
+      gAudioIO->IsStreamActive(GetAudioIOToken());
+}
+
+MeterPanel *ProjectAudioIO::GetPlaybackMeter()
+{
+   return mPlaybackMeter;
+}
+
+void ProjectAudioIO::SetPlaybackMeter(MeterPanel *playback)
+{
+   auto &project = mProject;
+   mPlaybackMeter = playback;
+   if (gAudioIO)
+   {
+      gAudioIO->SetPlaybackMeter( &project , mPlaybackMeter );
+   }
+}
+
+MeterPanel *ProjectAudioIO::GetCaptureMeter()
+{
+   return mCaptureMeter;
+}
+
+void ProjectAudioIO::SetCaptureMeter(MeterPanel *capture)
+{
+   auto &project = mProject;
+   mCaptureMeter = capture;
+
+   if (gAudioIO)
+   {
+      gAudioIO->SetCaptureMeter( &project, mCaptureMeter );
+   }
+}