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#pragma once
#include <QImage>
#include <QString>
#include <QStringList>
#include <QSize>
#include <QFileInfo>
#include <QList>
#include "track/track.h"
#include "util/sandbox.h"
class CoverInfo;
class CoverInfoRelative;
class CoverArtUtils {
public:
static QString defaultCoverLocation();
// Extracts the first cover art image embedded within the file at
// fileInfo. If no security token is provided a new one is created.
static QImage extractEmbeddedCover(
TrackFile trackFile);
static QImage extractEmbeddedCover(
TrackFile trackFile,
SecurityTokenPointer pToken);
static QImage loadCover(const CoverInfo& info);
static QStringList supportedCoverArtExtensions();
static QString supportedCoverArtExtensionsRegex();
enum PreferredCoverType {
TRACK_BASENAME = 0,
ALBUM_NAME,
COVER,
FRONT,
ALBUM,
FOLDER,
NONE
};
// Guesses the cover art for the provided track.
static CoverInfoRelative guessCoverInfo(
const Track& track);
static QList<QFileInfo> findPossibleCoversInFolder(
const QString& folder);
// Selects an appropriate cover file from provided list of image files.
static CoverInfoRelative selectCoverArtForTrack(
const Track& track,
const QList<QFileInfo>& covers);
// Selects an appropriate cover file from provided list of image
// files. Assumes a SecurityTokenPointer is held by the caller for all files
// in 'covers'.
static CoverInfoRelative selectCoverArtForTrack(
const TrackFile& trackFile,
const QString& albumName,
const QList<QFileInfo>& covers);
private:
CoverArtUtils() {}
};
// Stateful guessing of cover art by caching the possible
// covers from the last visited folder.
class CoverInfoGuesser {
public:
// Guesses the cover art for the provided track.
// An embedded cover must be extracted beforehand and provided.
CoverInfoRelative guessCoverInfo(
const TrackFile& trackFile,
const QString& albumName,
const QImage& embeddedCover);
// Extracts an embedded cover image if available and guesses
// the cover art for the provided track.
CoverInfoRelative guessCoverInfoForTrack(
const Track& track);
private:
QString m_cachedFolder;
QList<QFileInfo> m_cachedPossibleCoversInFolder;
};
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