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 | |
28 | class QAbstractItemModel; |
29 | class QModelIndex; |
30 | |
31 | namespace 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 | */ |
42 | class AsyncSelectionHandler : public QObject |
43 | { |
44 | Q_OBJECT |
45 | |
46 | public: |
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 | |
56 | Q_SIGNALS: |
57 | void collectionAvailable(const QModelIndex &index); |
58 | void itemAvailable(const QModelIndex &index); |
59 | |
60 | private Q_SLOTS: |
61 | void rowsInserted(const QModelIndex &, int, int); |
62 | |
63 | private: |
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 | |