1 /***************************************************************************
2  *   Copyright (C) 2013-2021 by Ilya Kotov                                 *
3  *   forkotov02@ya.ru                                                      *
4  *                                                                         *
5  *   This program is free software; you can redistribute it and/or modify  *
6  *   it under the terms of the GNU General Public License as published by  *
7  *   the Free Software Foundation; either version 2 of the License, or     *
8  *   (at your option) any later version.                                   *
9  *                                                                         *
10  *   This program is distributed in the hope that it will be useful,       *
11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
13  *   GNU General Public License for more details.                          *
14  *                                                                         *
15  *   You should have received a copy of the GNU General Public License     *
16  *   along with this program; if not, write to the                         *
17  *   Free Software Foundation, Inc.,                                       *
18  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.         *
19  ***************************************************************************/
20 
21 #ifndef GROUPEDCONTAINER_P_H
22 #define GROUPEDCONTAINER_P_H
23 
24 #include "playlistcontainer_p.h"
25 
26 /*! @internal
27  * @brief Playlist container with groups support.
28  * @author Ilya Kotov <forkotov02@ya.ru>
29  */
30 class GroupedContainer : public PlayListContainer
31 {
32 public:
33     GroupedContainer();
34 
35     virtual ~GroupedContainer();
36 
37     void addTrack(PlayListTrack *track) override;
38     void addTracks(const QList<PlayListTrack *> &tracks) override;
39     void insertTrack(int index, PlayListTrack *track) override;
40     void replaceTracks(const QList<PlayListTrack *> &tracks) override;
41     QList<PlayListGroup *> groups() const override;
42     QList<PlayListTrack *> tracks() const override;
43     QList<PlayListItem *> items() const override;
44     int count() const override;
45     int trackCount() const override;
46     QList<PlayListItem *> mid(int pos, int count) const override;
47     bool isEmpty() const override;
48     bool isSelected(int index) const override;
49     void setSelected(int index, bool selected) override;
50     void clearSelection() override;
51     int indexOf(PlayListItem *item) const override;
52     PlayListItem *item(int index) const override;
53     PlayListTrack *track(int index) const override;
54     PlayListGroup *group(int index) const override;
55     bool contains(PlayListItem *item) const override;
56     int indexOfTrack(int index) const override;
57     PlayListTrack *findTrack(int number) const override;
58     void removeTrack(PlayListTrack *track) override;
59     void removeTracks(QList<PlayListTrack *> tracks) override;
60     bool move(const QList<int> &indexes, int from, int to) override;
61     QList<PlayListTrack *> takeAllTracks() override;
62     void clear() override;
63 
64     void reverseList() override;
65     void randomizeList() override;
66 
67 private:
68     void updateCache() const;
69     QList<PlayListGroup *> m_groups;
70 
71     mutable QList<PlayListItem *> m_items;
72     mutable bool m_update = true;
73 
74 };
75 
76 #endif // GROUPEDCONTAINER_P_H
77