1 | /* |
2 | Copyright (c) 2010 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_ACTIONSTATEMANAGER_P_H |
21 | #define AKONADI_ACTIONSTATEMANAGER_P_H |
22 | |
23 | #include <akonadi/collection.h> |
24 | #include <akonadi/item.h> |
25 | |
26 | class QObject; |
27 | |
28 | namespace Akonadi { |
29 | |
30 | /** |
31 | * @short A helper class to manage action states. |
32 | * |
33 | * @author Tobias Koenig <tokoe@kde.org> |
34 | */ |
35 | class ActionStateManager |
36 | { |
37 | public: |
38 | /** |
39 | * Creates a new action state manager. |
40 | */ |
41 | ActionStateManager(); |
42 | |
43 | /** |
44 | * Destroys the action state manager. |
45 | */ |
46 | virtual ~ActionStateManager(); |
47 | |
48 | /** |
49 | * Updates the states according to the selected @p collections and @p items. |
50 | */ |
51 | void updateState(const Collection::List &collections, const Item::List &items); |
52 | |
53 | /** |
54 | * Sets the @p receiver object that will actually update the states. |
55 | * |
56 | * The object must provide the following three slots: |
57 | * - void enableAction( int, bool ) |
58 | * - void updatePluralLabel( int, int ) |
59 | * - bool isFavoriteCollection( const Akonadi::Collection& ) |
60 | * @param receiver object that will actually update the states. |
61 | */ |
62 | void setReceiver(QObject *receiver); |
63 | |
64 | protected: |
65 | virtual bool isRootCollection(const Collection &collection) const; |
66 | virtual bool isResourceCollection(const Collection &collection) const; |
67 | virtual bool isFolderCollection(const Collection &collection) const; |
68 | virtual bool isSpecialCollection(const Collection &collection) const; |
69 | virtual bool isFavoriteCollection(const Collection &collection) const; |
70 | virtual bool hasResourceCapability(const Collection &collection, const QString &capability) const; |
71 | virtual bool collectionCanHaveItems(const Collection &collection) const; |
72 | |
73 | virtual void enableAction(int action, bool state); |
74 | virtual void updatePluralLabel(int action, int count); |
75 | virtual void updateAlternatingAction(int action); |
76 | |
77 | private: |
78 | QObject *mReceiver; |
79 | }; |
80 | |
81 | } |
82 | |
83 | #endif |
84 | |