CommandBackupFile.hpp

#pragma once
#include <score/command/Command.hpp>
#include <score/command/CommandData.hpp>
 
#include <QObject>
#include <QString>
#include <QTemporaryFile>
 
#include <vector>
 
namespace score
{
class CommandStack;
struct CommandStackBackup
{
  CommandStackBackup(const score::CommandStack& stack);
 
  std::vector<CommandData> savedUndo;
  std::vector<CommandData> savedRedo;
};
 
class CommandBackupFile final : public QObject
{
public:
  CommandBackupFile(const score::CommandStack& stack, QObject* parent);
  CommandBackupFile(
      const score::CommandStack& stack, const QByteArray& restored, QObject* parent);
  QString fileName() const;
 
private:
  void init_connections();
 
  void on_push();
  void on_undo();
  void on_redo();
  void on_indexChanged();
 
  void commit();
 
  const score::CommandStack& m_stack;
  CommandStackBackup m_backup;
 
#if defined(__EMSCRIPTEN__)
  QString m_key;
#else
  QTemporaryFile m_file;
#endif
};
}