qBittorrent/src/qtlibtorrent/torrentmodel.h

#ifndef TORRENTMODEL_H
#define TORRENTMODEL_H

#include <QAbstractListModel>
#include <QList>
#include <QDateTime>
#include <QIcon>
#include <QTimer>

#include "qtorrenthandle.h"

struct TorrentStatusReport {
  TorrentStatusReport(): nb_downloading(0), nb_seeding(0), nb_active(0), nb_inactive(0), nb_paused(0) {}
  uint nb_downloading; uint nb_seeding; uint nb_active; uint nb_inactive; uint nb_paused;
};

class TorrentModelItem : public QObject {
Q_OBJECT

public:
  enum State {STATE_DOWNLOADING, STATE_STALLED_DL, STATE_STALLED_UP, STATE_SEEDING, STATE_PAUSED_DL, STATE_PAUSED_UP, STATE_QUEUED_DL, STATE_QUEUED_UP, STATE_CHECKING_UP, STATE_CHECKING_DL, STATE_INVALID};
  enum Column {TR_NAME, TR_PRIORITY, TR_SIZE, TR_PROGRESS, TR_STATUS, TR_SEEDS, TR_PEERS, TR_DLSPEED, TR_UPSPEED, TR_ETA, TR_RATIO, TR_LABEL, TR_ADD_DATE, TR_SEED_DATE, TR_TRACKER, TR_DLLIMIT, TR_UPLIMIT, NB_COLUMNS};

public:
  TorrentModelItem(const QTorrentHandle& h);
  inline int columnCount() const { return NB_COLUMNS; }
  QVariant data(int column, int role = Qt::DisplayRole) const;
  bool setData(int column, const QVariant &value, int role = Qt::DisplayRole);
  inline QString hash() const { return m_torrent.hash(); }

signals:
  void labelChanged(QString previous, QString current);

private:
  State state() const;

private:
  QTorrentHandle m_torrent;
  QDateTime m_addedTime;
  QDateTime m_seedTime;
  QString m_label;
  QString m_name;
  mutable QIcon m_icon;
  mutable QColor m_fgColor;
};

class TorrentModel : public QAbstractListModel
{
  Q_OBJECT
  Q_DISABLE_COPY(TorrentModel)

public:
  explicit TorrentModel(QObject *parent = 0);
  ~TorrentModel();
  inline int rowCount(const QModelIndex& index = QModelIndex()) const { Q_UNUSED(index); return m_torrents.size(); }
  int columnCount(const QModelIndex &parent=QModelIndex()) const { Q_UNUSED(parent); return TorrentModelItem::NB_COLUMNS; }
  QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
  bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole);
  QVariant headerData(int section, Qt::Orientation orientation, int role) const;
  int torrentRow(const QString &hash) const;
  QString torrentHash(int row) const;
  void setRefreshInterval(int refreshInterval);
  TorrentStatusReport getTorrentStatusReport() const;
  Qt::ItemFlags flags(const QModelIndex &index) const;
  void populate();

signals:
  void torrentAdded(TorrentModelItem *torrentItem);
  void torrentAboutToBeRemoved(TorrentModelItem *torrentItem);
  void torrentChangedLabel(TorrentModelItem *torrentItem, QString previous, QString current);

private slots:
  void addTorrent(const QTorrentHandle& h);
  void removeTorrent(const QString &hash);
  void handleTorrentUpdate(QTorrentHandle &h);
  void notifyTorrentChanged(int row);
  void forceModelRefresh();
  void handleTorrentLabelChange(QString previous, QString current);
  void handleTorrentAboutToBeRemoved(const QTorrentHandle & h);

private:
  void beginInsertTorrent(int row);
  void endInsertTorrent();
  void beginRemoveTorrent(int row);
  void endRemoveTorrent();

private:
  QList<TorrentModelItem*> m_torrents;
  int m_refreshInterval;
  QTimer m_refreshTimer;
};

#endif // TORRENTMODEL_H