68 lines
1.8 KiB
C++
68 lines
1.8 KiB
C++
/*
|
|
* Cantata
|
|
*
|
|
* Copyright (c) 2011-2016 Craig Drummond <craig.p.drummond@gmail.com>
|
|
*
|
|
* ----
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; see the file COPYING. If not, write to
|
|
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#include "musiclibraryitemsong.h"
|
|
|
|
MusicLibraryItemSong::~MusicLibraryItemSong()
|
|
{
|
|
if (m_genres>(void *)1) {
|
|
delete m_genres;
|
|
m_genres=0;
|
|
}
|
|
}
|
|
|
|
void MusicLibraryItemSong::setSong(const Song &s)
|
|
{
|
|
m_song=s;
|
|
if (m_genres>(void *)1) {
|
|
delete m_genres;
|
|
m_genres=0;
|
|
}
|
|
}
|
|
|
|
bool MusicLibraryItemSong::hasGenre(const QString &genre) const
|
|
{
|
|
initGenres();
|
|
return (void *)1==m_genres ? m_song.genre==genre : allGenres().contains(genre);
|
|
}
|
|
|
|
QSet<QString> MusicLibraryItemSong::allGenres() const
|
|
{
|
|
initGenres();
|
|
return (void *)1==m_genres ? (QSet<QString>() << m_song.genre) : *m_genres;
|
|
}
|
|
|
|
void MusicLibraryItemSong::initGenres() const
|
|
{
|
|
// Reduce memory usage by only storing genres in a set if required...
|
|
if (0==m_genres) {
|
|
QStringList g=m_song.genres();
|
|
if (g.count()<2) {
|
|
m_genres=(QSet<QString> *)1;
|
|
} else {
|
|
m_genres=new QSet<QString>();
|
|
*m_genres=g.toSet();
|
|
}
|
|
}
|
|
}
|