1/*
2 Copyright (c) 2009 Tobias Koenig <tokoe@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 AKONADI_ASYNCSELECTIONHANDLER_P_H
21#define AKONADI_ASYNCSELECTIONHANDLER_P_H
22
23#include <QtCore/QObject>
24
25#include <akonadi/collection.h>
26#include <akonadi/item.h>
27
28class QAbstractItemModel;
29class QModelIndex;
30
31namespace Akonadi
32{
33
34/**
35 * @internal
36 *
37 * A helper class to set a current index on a widget with
38 * delayed model loading.
39 *
40 * @author Tobias Koenig <tokoe@kde.org>
41 */
42class AsyncSelectionHandler : public QObject
43{
44 Q_OBJECT
45
46public:
47 /**
48 */
49 explicit AsyncSelectionHandler(QAbstractItemModel *model, QObject *parent = 0);
50
51 ~AsyncSelectionHandler();
52
53 void waitForCollection(const Collection &collection);
54 void waitForItem(const Item &item);
55
56Q_SIGNALS:
57 void collectionAvailable(const QModelIndex &index);
58 void itemAvailable(const QModelIndex &index);
59
60private Q_SLOTS:
61 void rowsInserted(const QModelIndex &, int, int);
62
63private:
64 bool scanSubTree(const QModelIndex &index, bool searchForItem);
65
66 QAbstractItemModel *mModel;
67 Collection mCollection;
68 Item mItem;
69};
70
71}
72
73#endif
74