mobile/mail/attachmentproxymodel.h

   1 /*
   2     Copyright (c) 2010 Volker Krause <vkrause@kde.org>
   3
   4     This library is free software; you can redistribute it and/or modify it
   5     under the terms of the GNU Library General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or (at your
   7     option) any later version.
   8
   9     This library is distributed in the hope that it will be useful, but WITHOUT
  10     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
  12     License for more details.
  13
  14     You should have received a copy of the GNU Library General Public License
  15     along with this library; see the file COPYING.LIB.  If not, write to the
  16     Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  17     02110-1301, USA.
  18 */
  19
  20 #ifndef MESSAGEVIEWER_ATTACHMENTPROXYMODEL_H
  21 #define MESSAGEVIEWER_ATTACHMENTPROXYMODEL_H
  22
  23 #include <messageviewer/mimetreemodel.h>
  24
  25 #include <QtGui/QSortFilterProxyModel>
  26
  27 namespace MessageViewer {
  28   class NodeHelper;
  29 }
  30
  31 /**
  32  * @short A proxy model to provide roles for accessing attachment properties from QML.
  33  */
  34 class AttachmentProxyModel : public QSortFilterProxyModel
  35 {
  36   Q_OBJECT
  37   Q_PROPERTY( int attachmentCount READ rowCount NOTIFY rowCountChanged )
  38
  39   public:
  40     enum Role {
  41       AttachmentUrlRole = MessageViewer::MimeTreeModel::UserRole
  42     };
  43
  44     explicit AttachmentProxyModel( QObject *parent = 0 );
  45     ~AttachmentProxyModel();
  46
  47     bool filterAcceptsRow( int sourceRow, const QModelIndex &sourceParent ) const;
  48     void setSourceModel( QAbstractItemModel *sourceModel );
  49     QVariant data( const QModelIndex &index, int role = Qt::DisplayRole ) const;
  50
  51   Q_SIGNALS:
  52     void rowCountChanged();
  53
  54   private Q_SLOTS:
  55     void slotModelReset();
  56
  57   private:
  58     MessageViewer::NodeHelper *m_nodeHelper;
  59 };
  60
  61 #endif