Warning, file /multimedia/amarok/src/playlist/PlaylistItem.cpp was not indexed or was modified since last indexation (in which case cross-reference links may be missing, inaccurate or erroneous).
0001 /**************************************************************************************** 0002 * Copyright (c) 2007 Ian Monroe <ian@monroe.nu> * 0003 * Copyright (c) 2008 Soren Harward <stharward@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 #define DEBUG_PREFIX "Playlist::Item" 0021 0022 #include "PlaylistItem.h" 0023 0024 #include "core/capabilities/SourceInfoCapability.h" 0025 #include "core/meta/Meta.h" 0026 0027 #include <QRandomGenerator> 0028 0029 #include <QSet> 0030 0031 Playlist::Item::Item() 0032 : m_state ( Invalid ) 0033 , m_id ( 0 ) 0034 { 0035 } 0036 0037 Playlist::Item::Item( const Meta::TrackPtr &track ) 0038 : m_track( track ), m_state( NewlyAdded ) 0039 { 0040 m_id = ( static_cast<quint64>( QRandomGenerator::global()->generate() ) << 32 ) | static_cast<quint64>( QRandomGenerator::global()->generate() ); 0041 } 0042 0043 Playlist::Item::~Item() 0044 { 0045 } 0046 0047 const Meta::TrackPtr & 0048 Playlist::Item::track() const 0049 { 0050 return m_track; 0051 } 0052 0053 // Does the same thing as: 0054 // foreach( quint64 val, set ) 0055 // target.removeAll( val ) 0056 // but with O(n * log n) performance instead of O(n^2) if 'target' and 'set' are similar-sized. 0057 void 0058 Playlist::Item::listRemove( QList<quint64> &target, QSet<quint64> &removeSet ) 0059 { 0060 QMutableListIterator<quint64> iter( target ); 0061 while ( iter.hasNext() ) 0062 if ( removeSet.contains( iter.next() ) ) 0063 iter.remove(); 0064 }