File indexing completed on 2024-11-24 04:53:12

 /* Copyright (C) 2006 - 2014 Jan Kundrát <jkt@flaska.net>
 
    This file is part of the Trojita Qt IMAP e-mail client,
    http://trojita.flaska.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) version 3 or any later version
    accepted by the membership of KDE e.V. (or its successor approved
    by the membership of KDE e.V.), which shall act as a proxy
    defined in Section 14 of version 3 of the license.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #ifndef IMAP_MSGLISTMODEL_H
 #define IMAP_MSGLISTMODEL_H
 
 #include <QAbstractProxyModel>
 #include "Model.h"
 #include "ItemRoles.h"
 
 /** @short Namespace for IMAP interaction */
 namespace Imap
 {
 
 /** @short Classes for handling of mailboxes and connections */
 namespace Mailbox
 {
 
 /** @short A model implementing view of the whole IMAP server */
 class MsgListModel: public QAbstractProxyModel
 {
     Q_OBJECT
 
     Q_PROPERTY(bool itemsValid READ itemsValid NOTIFY indexStateChanged)
 
 public:
     MsgListModel(QObject *parent, Model *model);
 
     virtual QModelIndex index(int row, int column, const QModelIndex &parent=QModelIndex()) const;
     virtual QModelIndex parent(const QModelIndex &index) const;
     virtual int rowCount(const QModelIndex &parent=QModelIndex()) const;
     virtual int columnCount(const QModelIndex &parent=QModelIndex()) const;
     virtual QModelIndex mapToSource(const QModelIndex &proxyIndex) const;
     virtual QModelIndex mapFromSource(const QModelIndex &sourceIndex) const;
     virtual bool hasChildren(const QModelIndex &parent=QModelIndex()) const;
     virtual QVariant data(const QModelIndex &proxyIndex, int role=Qt::DisplayRole) const;
     virtual QVariant headerData(int section, Qt::Orientation orientation, int role=Qt::DisplayRole) const;
     virtual Qt::ItemFlags flags(const QModelIndex &index) const;
     virtual QStringList mimeTypes() const;
     virtual QMimeData *mimeData(const QModelIndexList &indexes) const;
     virtual Qt::DropActions supportedDragActions() const;
     virtual Qt::DropActions supportedDropActions() const;
     virtual QHash<int, QByteArray> roleNames() const;
 
     QModelIndex currentMailbox() const;
 
     bool itemsValid() const;
 
     // These columns MUST NOT be reordered. The GUI stores the view state based on their values and any changes will lead to
     // a severe user-visible breakage.
     enum { SUBJECT, SEEN, FROM, TO, CC, BCC, DATE, RECEIVED_DATE, SIZE, FLAGGED, ATTACHMENT, COLUMN_COUNT };
 
 public slots:
     void resetMe();
     void setMailbox(const QModelIndex &index);
     Q_INVOKABLE void setMailbox(const QString &mailboxName);
     void handleDataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight);
     void handleRowsAboutToBeRemoved(const QModelIndex &parent, int start, int end);
     void handleRowsRemoved(const QModelIndex &parent, int start, int end);
     void handleRowsAboutToBeInserted(const QModelIndex &parent, int start, int end);
     void handleRowsInserted(const QModelIndex &parent, int start, int end);
 
 signals:
     void messageRemoved(void *);
     void mailboxChanged(const QModelIndex &mailbox);
 
     /** @short Messages are available for the first time after selecting new mailbox */
     void messagesAvailable();
 
     void indexStateChanged();
 
 private:
     MsgListModel &operator=(const MsgListModel &);  // don't implement
     MsgListModel(const MsgListModel &);  // don't implement
 
     void checkPersistentIndex() const;
 
     QPersistentModelIndex msgList;
     mutable TreeItemMsgList *msgListPtr;
     bool waitingForMessages;
 
     friend class ThreadingMsgListModel;
 };
 
 }
 
 }
 
 #endif /* IMAP_MSGLISTMODEL_H */