PresetAudition.hpp

#pragma once
#include <Process/Preset.hpp>
#include <Process/Process.hpp>
 
#include <QPointer>
 
#include <score_plugin_library_export.h>
 
#include <memory>
 
namespace score
{
class Command;
class Document;
}
 
namespace Library
{
class SCORE_PLUGIN_LIBRARY_EXPORT PresetAudition final : public QObject
{
public:
  explicit PresetAudition(QObject* parent = nullptr);
  ~PresetAudition();
 
  static bool canAudition(const Process::ProcessModel& proc, const Process::Preset& p);
 
  bool preview(const Process::ProcessModel& proc, const Process::Preset& p);
  void commit();
  void rollback();
 
  bool active() const noexcept { return bool(m_cmd); }
  const Process::ProcessModel* process() const noexcept { return m_proc; }
 
private:
  void end();
 
  QPointer<const Process::ProcessModel> m_proc;
  QPointer<score::Document> m_doc;
  std::unique_ptr<score::Command> m_cmd;
  QStringList m_cursorBefore;
  QMetaObject::Connection m_pushed, m_gone;
};
}