ConcurrentControlNetReader.h

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#ifndef ConcurrentControlNetReader_h
#define ConcurrentControlNetReader_h

#include <QObject>
#include <QPair>
#include <QPointer>
#include <QString>
#include <QStringList>

#include "ControlNetFile.h"
#include "ProgressBar.h"

template<typename A> class QAtomicPointer;
template<typename A> class QFutureWatcher;

namespace Isis {
  class Control;
  class FileName;
  class Progress;
  class ProgressBar;


  class ConcurrentControlNetReader : public QObject {
      Q_OBJECT

    public:
      ConcurrentControlNetReader();
      ~ConcurrentControlNetReader();
      void read(QString filename);
      void read(QStringList filenames);
      ProgressBar *progressBar();

    signals:
      void networksReady(QList<Control *>);

    private:
      void nullify();
      void start();

    private slots:
      void updateProgressValue();
      void mappedFinished();

    private:
      void initProgress();

    private:
      QFutureWatcher<Control *> * m_watcher;
      QStringList m_backlog;
      bool m_mappedRunning;
      QList<Progress *> m_progress;
      QPointer<ProgressBar> m_progressBar;
      QPointer<QTimer> m_progressUpdateTimer;

      class FileNameToControlFunctor : public std::unary_function<
          const QPair<FileName, Progress *> &, Control *> {
        public:
          FileNameToControlFunctor(QThread *);
          FileNameToControlFunctor(const FileNameToControlFunctor &);
          ~FileNameToControlFunctor();
          Control * operator()(const QPair<FileName, Progress *> &) const;
          FileNameToControlFunctor & operator=(const FileNameToControlFunctor &);

        private:
          QThread *m_targetThread;
      };
  };
}

#endif