gallery/gallery-core/PictureModel.h

#ifndef PICTUREMODEL_H
#define PICTUREMODEL_H

#include <QAbstractListModel>
#include "Picture.h"
#include "gallery-core_global.h"

class Album;
class DatabaseManager;
class AlbumModel;

class GALLERYCORE_EXPORT PictureModel : public QAbstractListModel {
  Q_OBJECT
 public:
  enum PictureRole {
    FilePathRole = Qt::UserRole + 1,
  };
  explicit PictureModel(const AlbumModel& albumModel, QObject* parent = 0);

  QModelIndex addPicture(const Picture& picture);

  // QAbstractItemModel interface
  int rowCount(const QModelIndex& parent) const override;
  QVariant data(const QModelIndex& index, int role) const override;
  bool removeRows(int row, int count, const QModelIndex& parent) override;

  void setAlbumId(int albumId);
  void clearAlbum();

 public slots:
  void deletePcituresForAlbum();

 private:
  void loadPictures(int albumId);
  bool isIndexValid(const QModelIndex& index) const;

 private:
  DatabaseManager& mDb;
  int mAlbumId;
  std::unique_ptr<std::vector<std::unique_ptr<Picture>>> mPictures;
};

#endif  // PICTUREMODEL_H