PlayableTrack.h

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/*!********************************************************************
 
  Audacity: A Digital Audio Editor
 
  @file PlayableTrack.h
  @brief Extends Track with notions of mute and solo setting
 
  Dominic Mazzoni
 
  Paul Licameli split from Track.h
 
**********************************************************************/
#ifndef __AUDACITY_PLAYABLE_TRACK__
#define __AUDACITY_PLAYABLE_TRACK__
 
#include "Prefs.h"
#include "Track.h"
 
class PLAYABLE_TRACK_API AudioTrack /* not final */ : public Track
{
public:
   AudioTrack();
   AudioTrack(const Track &orig, ProtectedCreationArg &&a);
 
   static const TypeInfo &ClassTypeInfo();
 
   // Serialize, not with tags of its own, but as attributes within a tag.
   void WriteXMLAttributes(XMLWriter &WXUNUSED(xmlFile)) const {}
 
   // Return true iff the attribute is recognized.
   bool HandleXMLAttribute(const std::string_view & /*attr*/, const XMLAttributeValueView &/*value*/)
   { return false; }
};
 
ENUMERATE_TRACK_TYPE(AudioTrack);
 
class PLAYABLE_TRACK_API PlayableTrack /* not final */ : public AudioTrack
{
public:
   PlayableTrack();
   PlayableTrack(const PlayableTrack &orig, ProtectedCreationArg&&);
 
   static const TypeInfo &ClassTypeInfo();
 
   bool GetMute    () const { return DoGetMute();     }
   bool GetSolo    () const { return DoGetSolo();     }
   bool GetNotMute () const { return !DoGetMute();     }
   bool GetNotSolo () const { return !DoGetSolo();     }
   void SetMute    (bool m);
   void SetSolo    (bool s);
 
   // Serialize, not with tags of its own, but as attributes within a tag.
   void WriteXMLAttributes(XMLWriter &xmlFile) const;
 
   // Return true iff the attribute is recognized.
   bool HandleXMLAttribute(const std::string_view &attr, const XMLAttributeValueView &value);
 
protected:
   bool DoGetMute() const;
   void DoSetMute(bool value);
   bool DoGetSolo() const;
   void DoSetSolo(bool value);
};
 
ENUMERATE_TRACK_TYPE(PlayableTrack);
 
enum SoloBehavior {
   SoloBehaviorSimple,
   SoloBehaviorMulti
};
 
extern PLAYABLE_TRACK_API EnumSetting<SoloBehavior> TracksBehaviorsSolo;
 
#endif