File indexing completed on 2023-10-03 07:54:01

 /* This file is part of the KDE project
 
    Copyright (C) 2006 Dario Massarin <nekkar@libero.it>
    Copyright (C) 2009 Lukas Appelhans <l.appelhans@gmx.de>
    Copyright (C) 2010 Matthias Fuchs <mat69@gmx.net>
 
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
 */
 
 #ifndef TRANSFERTREEMODEL_H
 #define TRANSFERTREEMODEL_H
 
 #include <QList>
 #include <QMimeData>
 #include <QPointer>
 #include <QStandardItemModel>
 #include <QUrl>
 
 #include "core/handler.h"
 #include "core/transfer.h"
 #include "core/transfergroup.h"
 #include "kget_export.h"
 
 class TransferGroupHandler;
 class TransferGroup;
 class TransferHandler;
 class Transfer;
 class Scheduler;
 class TransferModelItem;
 class GroupModelItem;
 
 class ItemMimeData : public QMimeData
 {
     Q_OBJECT
 public:
     ItemMimeData();
     ~ItemMimeData() override;
 
     /**
      * Appends a transfer to the list of transfers.
      * The pointer is there to check later on, that the transfer still exists
      */
     void appendTransfer(const QPointer<TransferHandler> &transfer);
 
     /**
      * Returns all appended transfers
      * The pointer is there to check later on, that the transfer still exists
      */
     QList<QPointer<TransferHandler>> transfers() const;
 
 private:
     QList<QPointer<TransferHandler>> m_transfers;
 };
 
 class KGET_EXPORT ModelItem : public QStandardItem
 {
 public:
     ModelItem(Handler *handler);
     ~ModelItem() override;
 
     QVariant data(int role = Qt::UserRole + 1) const override = 0;
     void emitDataChanged();
     Handler *handler();
     virtual bool isGroup();
 
     GroupModelItem *asGroup();
     TransferModelItem *asTransfer();
 
 private:
     Handler *m_handler;
 };
 
 class KGET_EXPORT TransferModelItem : public ModelItem
 {
 public:
     TransferModelItem(TransferHandler *handler);
     ~TransferModelItem() override;
 
     QVariant data(int role = Qt::UserRole + 1) const override;
 
     TransferHandler *transferHandler();
 
 private:
     TransferHandler *m_transferHandler;
     mutable QIcon m_mimeType;
 };
 
 class KGET_EXPORT GroupModelItem : public ModelItem
 {
 public:
     GroupModelItem(TransferGroupHandler *handler);
     ~GroupModelItem() override;
 
     QVariant data(int role = Qt::UserRole + 1) const override;
 
     TransferGroupHandler *groupHandler();
 
     bool isGroup() override;
 
 private:
     TransferGroupHandler *m_groupHandler;
 };
 
 class KGET_EXPORT TransferTreeModel : public QStandardItemModel
 {
     Q_OBJECT
 
     friend class TransferGroupHandler;
     friend class TransferGroup;
     friend class TransferHandler;
     friend class Transfer;
 
 public:
     enum Columns { Name, Status, Size, Progress, Speed, RemainingTime };
     TransferTreeModel(Scheduler *scheduler);
     ~TransferTreeModel() override;
 
     void addGroup(TransferGroup *group);
     void delGroup(TransferGroup *group);
 
     void addTransfers(const QList<Transfer *> &transfers, TransferGroup *group);
     void delTransfers(const QList<Transfer *> &transfers);
 
     TransferModelItem *itemFromTransferHandler(TransferHandler *handler);
     GroupModelItem *itemFromTransferGroupHandler(TransferGroupHandler *handler);
     ModelItem *itemFromHandler(Handler *handler);
 
     ModelItem *itemFromIndex(const QModelIndex &index) const;
 
     void moveTransfer(Transfer *transfer, TransferGroup *destGroup, Transfer *after = nullptr);
     void moveTransfer(TransferHandler *transfer, TransferGroupHandler *destGroup, TransferHandler *after = nullptr);
 
     QList<TransferGroup *> transferGroups();
 
     TransferGroup *findGroup(const QString &groupName);
     Transfer *findTransfer(const QUrl &src);
     Transfer *findTransferByDestination(const QUrl &dest);
     Transfer *findTransferByDBusObjectPath(const QString &dbusObjectPath);
 
     void postDataChangedEvent(TransferHandler *transfer);
     void postDataChangedEvent(TransferGroupHandler *group);
 
     Qt::ItemFlags flags(const QModelIndex &index) const override;
     QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
 
     // Drag & drop functions
     Qt::DropActions supportedDropActions() const override;
     QStringList mimeTypes() const override;
     QMimeData *mimeData(const QModelIndexList &indexes) const override;
     bool dropMimeData(const QMimeData *mdata, Qt::DropAction action, int row, int column, const QModelIndex &parent) override;
 
     static QString columnName(int column);
     static int column(Transfer::TransferChange flag);
     static int column(TransferGroup::GroupChange flag);
 
 Q_SIGNALS:
     void groupAddedEvent(TransferGroupHandler *);
     void groupRemovedEvent(TransferGroupHandler *);
     void groupsChangedEvent(QMap<TransferGroupHandler *, TransferGroup::ChangesFlags>);
     void transfersAddedEvent(QList<TransferHandler *> transfers);
     void transfersAboutToBeRemovedEvent(const QList<TransferHandler *> &transfers);
     void transfersRemovedEvent(const QList<TransferHandler *> &transfers);
     void transferMovedEvent(TransferHandler *, TransferGroupHandler *);
     void transfersChangedEvent(QMap<TransferHandler *, Transfer::ChangesFlags>);
 
 private:
     void timerEvent(QTimerEvent *event) override;
 
     Scheduler *m_scheduler;
 
     // Timer related variables
     QList<TransferHandler *> m_changedTransfers;
     QList<TransferGroupHandler *> m_changedGroups;
 
     QList<GroupModelItem *> m_transferGroups;
     QList<TransferModelItem *> m_transfers;
 
     int m_timerId;
 };
 
 #endif