File indexing completed on 2024-05-19 04:49:50
0001 /**************************************************************************************** 0002 * Copyright (c) 2009 Edward Toroshchin <edward.hades@gmail.com> * 0003 * Copyright (c) 2010 Nanno Langstraat <langstr@gmail.com> * 0004 * * 0005 * This program is free software; you can redistribute it and/or modify it under * 0006 * the terms of the GNU General Public License as published by the Free Software * 0007 * Foundation; either version 2 of the License, or (at your option) version 3 or * 0008 * any later version accepted by the membership of KDE e.V. (or its successor approved * 0009 * by the membership of KDE e.V.), which shall act as a proxy defined in Section 14 of * 0010 * version 3 of the license. * 0011 * * 0012 * This program is distributed in the hope that it will be useful, but WITHOUT ANY * 0013 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A * 0014 * PARTICULAR PURPOSE. See the GNU General Public License for more details. * 0015 * * 0016 * You should have received a copy of the GNU General Public License along with * 0017 * this program. If not, see <http://www.gnu.org/licenses/>. * 0018 ****************************************************************************************/ 0019 0020 #ifndef FAVOREDRANDOMTRACKNAVIGATOR_H 0021 #define FAVOREDRANDOMTRACKNAVIGATOR_H 0022 0023 #include "NonlinearTrackNavigator.h" 0024 0025 namespace Playlist 0026 { 0027 0028 class FavoredRandomTrackNavigator : public NonlinearTrackNavigator 0029 { 0030 public: 0031 FavoredRandomTrackNavigator(); 0032 0033 static const int AVOID_RECENTLY_PLAYED_MAX = 512; //!< Try to avoid the 'N' most recently played items. 0034 0035 private: 0036 //! Override from 'NonlinearTrackNavigator' 0037 void planOne() override; 0038 void notifyItemsInserted( const QSet<quint64> &insertedItems ) override { Q_UNUSED( insertedItems ); } 0039 void notifyItemsRemoved( const QSet<quint64> &removedItems ) override { Q_UNUSED( removedItems ); } 0040 0041 QList<qreal> rowWeights( const QSet<quint64> &avoidSet ); 0042 QSet<quint64> getRecentHistory( int size ); 0043 }; 0044 0045 } 0046 0047 #endif