src/gui/torrentcontentmodel.h

   1 /*
   2  * Bittorrent Client using Qt and libtorrent.
   3  * Copyright (C) 2022  Vladimir Golovnev <glassez@yandex.ru>
   4  * Copyright (C) 2006-2012  Christophe Dumez <chris@qbittorrent.org>
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License
   8  * as published by the Free Software Foundation; either version 2
   9  * of the License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  19  *
  20  * In addition, as a special exception, the copyright holders give permission to
  21  * link this program with the OpenSSL project's "OpenSSL" library (or with
  22  * modified versions of it that use the same license as the "OpenSSL" library),
  23  * and distribute the linked executables. You must obey the GNU General Public
  24  * License in all respects for all of the code used other than "OpenSSL".  If you
  25  * modify file(s), you may extend this exception to your version of the file(s),
  26  * but you are not obligated to do so. If you do not wish to do so, delete this
  27  * exception statement from your version.
  28  */
  29
  30 #pragma once
  31
  32 #include <QAbstractItemModel>
  33 #include <QVector>
  34
  35 #include "base/indexrange.h"
  36 #include "base/pathfwd.h"
  37 #include "torrentcontentmodelitem.h"
  38
  39 class QFileIconProvider;
  40 class QModelIndex;
  41 class QVariant;
  42
  43 class TorrentContentModelFile;
  44
  45 namespace BitTorrent
  46 {
  47     class TorrentContentHandler;
  48 }
  49
  50 class TorrentContentModel final : public QAbstractItemModel
  51 {
  52     Q_OBJECT
  53     Q_DISABLE_COPY_MOVE(TorrentContentModel)
  54
  55 public:
  56     enum Roles
  57     {
  58         UnderlyingDataRole = Qt::UserRole
  59     };
  60
  61     explicit TorrentContentModel(QObject *parent = nullptr);
  62     ~TorrentContentModel() override;
  63
  64     void setContentHandler(BitTorrent::TorrentContentHandler *contentHandler);
  65     BitTorrent::TorrentContentHandler *contentHandler() const;
  66
  67     void refresh();
  68
  69     QVector<BitTorrent::DownloadPriority> getFilePriorities() const;
  70     TorrentContentModelItem::ItemType itemType(const QModelIndex &index) const;
  71     int getFileIndex(const QModelIndex &index) const;
  72     Path getItemPath(const QModelIndex &index) const;
  73
  74     int columnCount(const QModelIndex &parent = {}) const override;
  75     bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole) override;
  76     QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
  77     Qt::ItemFlags flags(const QModelIndex &index) const override;
  78     QVariant headerData(int section, Qt::Orientation orientation, int role) const override;
  79     QModelIndex index(int row, int column, const QModelIndex &parent = {}) const override;
  80     QModelIndex parent(const QModelIndex &index) const override;
  81     int rowCount(const QModelIndex &parent = {}) const override;
  82
  83 signals:
  84     void renameFailed(const QString &errorMessage);
  85
  86 private:
  87     using ColumnInterval = IndexInterval<int>;
  88
  89     void populate();
  90     void updateFilesProgress();
  91     void updateFilesPriorities();
  92     void updateFilesAvailability();
  93     bool setItemPriority(const QModelIndex &index, BitTorrent::DownloadPriority priority);
  94     void notifySubtreeUpdated(const QModelIndex &index, const QVector<ColumnInterval> &columns);
  95
  96     BitTorrent::TorrentContentHandler *m_contentHandler = nullptr;
  97     TorrentContentModelFolder *m_rootItem = nullptr;
  98     QVector<TorrentContentModelFile *> m_filesIndex;
  99     QFileIconProvider *m_fileIconProvider = nullptr;
 100 };