Files
cantata/mpd-interface/song.h
2017-04-28 17:41:45 +01:00

290 lines
11 KiB
C

/*
* Cantata
*
* Copyright (c) 2011-2017 Craig Drummond <craig.p.drummond@gmail.com>
*
*/
/*
* Copyright (c) 2008 Sander Knopper (sander AT knopper DOT tk) and
* Roeland Douma (roeland AT rullzer DOT com)
*
* This file is part of QtMPC.
*
* QtMPC 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.
*
* QtMPC 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 QtMPC. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef SONG_H
#define SONG_H
#include <QString>
#include <QSet>
#include <QHash>
#include <QMetaType>
#include "config.h"
#include "support/utils.h"
#include "cuefile.h"
struct Song
{
enum Constants {
Null_Key = 0xFFFF,
Rating_Step = 2,
Rating_Max = 10,
Rating_Requested = 0xFE,
Rating_Null = 0xFF
};
static const int constNumGenres = 4;
static const QLatin1Char constFieldSep;
static const QSet<QString> & composerGenres();
static void setComposerGenres(const QSet<QString> &g);
enum ExtraTags {
Composer = 0x0001,
Performer = 0x0002,
Comment = 0x0004,
MusicBrainzAlbumId = 0x0008,
Name = 0x0010,
AlbumSort = 0x0020,
ArtistSort = 0x0040,
AlbumArtistSort = 0x0080,
// These are not real tags - but fields used elsewhere in the code...
PodcastPublishedDate = 0x0100,
PodcastLocalPath = 0x0200,
PodcastImage = 0x0400,
OnlineServiceName = 0x0800,
OnlineImageUrl = 0x1000,
OnlineImageCacheName = 0x2000,
DeviceId = 0x4000,
DecodedPath = 0x8000
};
enum Type {
Standard = 0,
SingleTracks = 1,
Playlist = 2,
Stream = 3,
CantataStream = 4,
Cdda = 5,
OnlineSvrTrack = 6
};
enum Blank {
BlankTitle = 0x01,
BlankArtist = 0x02,
BlankAlbum = 0x04
};
QString file;
QString album;
QString artist;
QString albumartist;
QString title;
QString genres[constNumGenres];
QHash<quint16, QString> extra;
quint16 extraFields;
mutable quint8 priority;
quint8 disc:5;
quint8 blank:3; // Which field were blank, and Cantata set to Unknown
quint16 time;
quint16 track;
quint16 origYear;
quint16 year : 12;
mutable Type type : 3;
mutable bool guessed : 1;
qint32 id;
qint32 size;
mutable quint8 rating;
uint lastModified;
// Only used in PlayQueue/PlayLists...
quint16 key;
static const QString & unknown();
static const QString & variousArtists();
static void initTranslations();
static const QString constCddaProtocol;
static const QString constMopidyLocal;
static void storeAlbumYear(const Song &s);
static int albumYear(const Song &s);
static void sortViaType(QList<Song> &songs);
static QString decodePath(const QString &file, bool cdda=false);
static QString encodePath(const QString &file);
static void clearKeyStore(int location);
static QString displayAlbum(const QString &albumName, quint16 albumYear);
static bool isComposerGenre(const QString &genre) { return composerGenres().contains(genre); }
static QSet<QString> ignorePrefixes();
static void setIgnorePrefixes(const QSet<QString> &prefixes);
static QString sortString(const QString &str);
Song();
Song(const Song &o) { *this=o; }
Song & operator=(const Song &o);
bool operator==(const Song &o) const;
bool operator!=(const Song &o) const { return !(*this==o); }
bool operator<(const Song &o) const;
int compareTo(const Song &o) const;
virtual ~Song() { }
bool isEmpty() const;
bool isDifferent(const Song &s) const { return file!=s.file || year!=s.year || artist!=s.artist || album!=s.album || title!=s.title || name()!=s.name(); }
void guessTags();
void revertGuessedTags();
void fillEmptyFields();
quint16 setKey(int location);
virtual void clear();
void addGenre(const QString &g);
QString entryName() const;
QString artistOrComposer() const;
QString albumName() const;
QString albumId() const;
QString artistSong() const;
const QString & albumArtist() const { return albumartist.isEmpty() ? artist : albumartist; }
QString displayTitle() const { return !albumartist.isEmpty() && albumartist!=artist ? artistSong() : title; }
QString trackAndTitleStr(bool showArtistIfDifferent=true) const;
QString toolTip() const;
QString displayGenre() const;
const QString & firstGenre() const { return genres[0]; }
int compareGenres(const Song &o) const;
QString extraField(quint16 f) const { return hasExtraField(f) ? extra[f] : QString(); }
bool hasExtraField(quint16 f) const { return extraFields&f; }
void setExtraField(quint16 f, const QString &v);
QString name() const { return extraField(Name); }
void setName(const QString &v) { setExtraField(Name, v); }
bool hasName() const { return hasExtraField(Name); }
QString mbAlbumId() const { return extraField(MusicBrainzAlbumId); }
void setMbAlbumId(const QString &v) { setExtraField(MusicBrainzAlbumId, v); }
bool hasMbAlbumId() const { return hasExtraField(MusicBrainzAlbumId); }
QString composer() const { return extraField(Composer); }
void setComposer(const QString &v) { setExtraField(Composer, v); }
bool hasComposer() const { return hasExtraField(Composer); }
QString performer() const { return extraField(Performer); }
void setPerformer(const QString &v) { setExtraField(Performer, v); }
bool hasPerformer() const { return hasExtraField(Performer); }
QString comment() const { return extraField(Comment); }
void setComment(const QString &v) { setExtraField(Comment, v); }
bool hasComment() const { return hasExtraField(Comment); }
QString albumSort() const { return extraField(AlbumSort); }
void setAlbumSort(const QString &v) { setExtraField(AlbumSort, v); }
bool hasAlbumSort() const { return hasExtraField(AlbumSort); }
QString artistSort() const { return extraField(ArtistSort); }
void setArtistSort(const QString &v) { setExtraField(ArtistSort, v); }
bool hasArtistSort() const { return hasExtraField(ArtistSort); }
QString albumArtistSort() const { return extraField(AlbumArtistSort); }
void setAlbumArtistSort(const QString &v) { setExtraField(AlbumArtistSort, v); }
bool hasAlbumArtistSort() const { return hasExtraField(AlbumArtistSort); }
QString artistSortString() const { return hasAlbumArtistSort() ? albumArtistSort() : hasArtistSort() ? artistSort() : QString(); }
void clearExtra() { extra.clear(); }
static bool isVariousArtists(const QString &str);
bool isVariousArtists() const { return isVariousArtists(albumArtist()); }
bool diffArtist() const;
bool isUnknownAlbum() const;
bool fixVariousArtists();
bool revertVariousArtists();
bool setAlbumArtist();
static QString capitalize(const QString &s);
bool capitalise();
bool isStream() const { return Stream==type || CantataStream==type; }
bool isStandardStream() const { return Stream==type && !isDlnaStream(); }
bool isDlnaStream() const { return Stream==type && !albumArtist().isEmpty() && !album.isEmpty() && track>0; }
bool isNonMPD() const { return isStream() || OnlineSvrTrack==type || Cdda==type || (!file.isEmpty() && file.startsWith(Utils::constDirSep)); }
bool isCantataStream() const { return CantataStream==type; }
bool isCdda() const { return Cdda==type; }
QString albumKey() const;
bool isCueFile() const { return Playlist==type && file.endsWith(QLatin1String(".cue"), Qt::CaseInsensitive); }
bool isFromCue() const { return CueFile::isCue(file); }
QString basicArtist() const;
QString filePath() const { return decodePath(file, isCdda()); }
QString displayAlbum(bool useComp=true) const { return displayAlbum(useComp ? albumName() : album, year); }
QString describe(bool withMarkup=false) const;
bool useComposer() const;
void populateSorts();
// QString basicDescription() const;
//
// The following sections contain various 'hacks' - where fields of Song are abused for other
// purposes. This is to keep the overall size of Song lower, as its used all over the place...
//
// We pass 'Song' around to cover requester. When we want the artist image, and not album image,
// then we blank certain fields to indicate this!
void setArtistImageRequest() {
album=QString();
priority=0xFF;
disc=0x1F;
key=0xFFFF;
}
bool isArtistImageRequest() const { return 0x1F==disc && 0xFF==priority && 0xFFFF==key && album.isEmpty(); }
void setComposerImageRequest() {
album=QString();
priority=0xFE;
disc=0x1E;
key=0xFEFE;
}
bool isComposerImageRequest() const { return 0x1E==disc && 0xFE==priority && 0xFEFE==key && album.isEmpty(); }
// In Covers, the following is used to indicate that a specfic size is requested...
void setSpecificSizeRequest(int sz) {
size=track=id=sz;
time=0xFFFF;
}
bool isSpecificSizeRequest() const { return size>4 && size<1024 && track==size && id==size && 0xFFFF==time; }
// podcast functions...
bool hasBeenPlayed() const { return 0!=id; }
void setPlayed(bool p) { id=p ? 1 : 0; }
void setPodcastImage(const QString &i) { setExtraField(PodcastImage, i); }
QString podcastImage() const { return extraField(PodcastImage); }
void setPodcastPublishedDate(const QString &pd) { setExtraField(PodcastPublishedDate, pd); }
QString podcastPublishedDate() const { return extraField(PodcastPublishedDate); }
QString podcastLocalPath() const { return extraField(PodcastLocalPath); }
void setPodcastLocalPath(const QString &l) { setExtraField(PodcastLocalPath, l); }
QString decodedPath() const { return extraField(DecodedPath); }
void setDecodedPath(const QString &v) { setExtraField(DecodedPath, v); }
bool hasDecodedPath() const { return hasExtraField(DecodedPath); }
// podcast/soundcloud functions...
void setIsFromOnlineService(const QString &service) { setExtraField(OnlineServiceName, service); }
bool isFromOnlineService() const { return hasExtraField(OnlineServiceName); }
QString onlineService() const { return extraField(OnlineServiceName); }
// device functions...
void setIsFromDevice(const QString &id) { setExtraField(DeviceId, id); }
bool isFromDevice() const { return hasExtraField(DeviceId); }
QString deviceId() const { return extraField(DeviceId); }
};
Q_DECLARE_METATYPE(Song)
QDataStream & operator<<(QDataStream &stream, const Song &song);
QDataStream & operator>>(QDataStream &stream, Song &song);
inline uint qHash(const Song &key)
{
return qHash(key.albumArtist()+key.album+key.title+key.file);
}
#endif