1191 lines
40 KiB
C++
1191 lines
40 KiB
C++
/*
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* Cantata
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*
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* Copyright (c) 2011-2013 Craig Drummond <craig.p.drummond@gmail.com>
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*
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* ----
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "covers.h"
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#include "song.h"
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#include "utils.h"
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#include "mpdconnection.h"
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#include "networkaccessmanager.h"
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#include "settings.h"
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#include "config.h"
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#include "deviceoptions.h"
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#include "thread.h"
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#include "soundcloudservice.h"
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#include "podcastservice.h"
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#include "onlineservicesmodel.h"
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#ifdef TAGLIB_FOUND
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#include "tags.h"
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#endif
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#include <QFile>
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#include <QDir>
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#include <QCryptographicHash>
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#include <QUrl>
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#if QT_VERSION >= 0x050000
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#include <QUrlQuery>
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#endif
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#include <QTextStream>
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#include <qglobal.h>
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#include <QIcon>
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#include <QImage>
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#include <QPixmap>
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#include <QPainter>
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#include <QFont>
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#include <QXmlStreamReader>
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#include <QTimer>
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#ifdef ENABLE_KDE_SUPPORT
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#include <KDE/KStandardDirs>
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#include <KDE/KGlobal>
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#include <KDE/KTemporaryFile>
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#include <QApplication>
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K_GLOBAL_STATIC(Covers, instance)
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#endif
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#include <QDebug>
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static bool debugIsEnabled=false;
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#define DBUG_CLASS(CLASS) if (debugIsEnabled) qWarning() << CLASS << QThread::currentThread()->objectName() << __FUNCTION__
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#define DBUG DBUG_CLASS(metaObject()->className())
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void Covers::enableDebug()
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{
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debugIsEnabled=true;
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}
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bool Covers::debugEnabled()
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{
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return debugIsEnabled;
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}
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const QLatin1String Covers::constLastFmApiKey("11172d35eb8cc2fd33250a9e45a2d486");
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const QLatin1String Covers::constCoverDir("covers/");
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const QLatin1String Covers::constCddaCoverDir("cdda/");
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const QLatin1String Covers::constFileName("cover");
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const QLatin1String Covers::constArtistImage("artist");
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static const char * constExtensions[]={".jpg", ".png", 0};
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static bool saveInMpdDir=true;
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static QString constCoverInTagPrefix=QLatin1String("{tag}");
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static bool canSaveTo(const QString &dir)
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{
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QString mpdDir=MPDConnection::self()->getDetails().dir;
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return !dir.isEmpty() && !mpdDir.isEmpty() && !mpdDir.startsWith(QLatin1String("http://")) && QDir(mpdDir).exists() && dir.startsWith(mpdDir);
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}
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static const QString typeFromRaw(const QByteArray &raw)
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{
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if (raw.size()>9 && /*raw[0]==0xFF && raw[1]==0xD8 && raw[2]==0xFF*/ raw[6]=='J' && raw[7]=='F' && raw[8]=='I' && raw[9]=='F') {
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return constExtensions[0];
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} else if (raw.size()>4 && /*raw[0]==0x89 &&*/ raw[1]=='P' && raw[2]=='N' && raw[3]=='G') {
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return constExtensions[1];
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}
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return QString();
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}
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static QString save(const QString &mimeType, const QString &extension, const QString &filePrefix, const QImage &img, const QByteArray &raw)
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{
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if (!mimeType.isEmpty() && extension==mimeType) {
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if (QFile::exists(filePrefix+mimeType)) {
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return filePrefix+mimeType;
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}
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QFile f(filePrefix+mimeType);
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if (f.open(QIODevice::WriteOnly) && raw.size()==f.write(raw)) {
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#ifndef Q_OS_WIN
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if (!MPDConnection::self()->getDetails().dir.isEmpty() && filePrefix.startsWith(MPDConnection::self()->getDetails().dir)) {
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Utils::setFilePerms(filePrefix+mimeType);
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}
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#endif
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return filePrefix+mimeType;
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}
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}
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if (extension!=mimeType) {
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if (QFile::exists(filePrefix+extension)) {
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return filePrefix+extension;
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}
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if (img.save(filePrefix+extension)) {
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#ifndef Q_OS_WIN
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if (!MPDConnection::self()->getDetails().dir.isEmpty() && filePrefix.startsWith(MPDConnection::self()->getDetails().dir)) {
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Utils::setFilePerms(filePrefix+mimeType);
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}
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#endif
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return filePrefix+extension;
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}
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}
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return QString();
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}
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static inline QString albumKey(const Song &s)
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{
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return "{"+s.albumArtist()+"}{"+s.album+"}";
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}
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static inline QString artistKey(const Song &s)
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{
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return "{"+s.albumArtist()+"}";
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}
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QString Covers::encodeName(QString name)
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{
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name.replace("/", "_");
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return name;
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}
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QString Covers::albumFileName(const Song &song)
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{
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QString coverName=MPDConnection::self()->getDetails().coverName;
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if (coverName.isEmpty()) {
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coverName=Covers::constFileName;
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} else if (coverName.contains("%")) {
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coverName.replace(DeviceOptions::constAlbumArtist, encodeName(song.albumArtist()));
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coverName.replace(DeviceOptions::constTrackArtist, encodeName(song.albumArtist()));
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coverName.replace(DeviceOptions::constAlbumTitle, encodeName(song.album));
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coverName.replace("%", "");
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}
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return coverName;
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}
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QString Covers::artistFileName(const Song &song)
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{
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QString coverName=MPDConnection::self()->getDetails().coverName;
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if (coverName.contains("%")){
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return encodeName(song.albumArtist());
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}
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return constArtistImage;
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}
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QString Covers::fixArtist(const QString &artist)
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{
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if (QLatin1String("AC-DC")==artist) {
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return QLatin1String("AC/DC");
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}
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return artist;
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}
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#if !defined Q_OS_WIN
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static QString xdgConfig()
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{
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QString env = QString::fromLocal8Bit(qgetenv("XDG_CONFIG_HOME"));
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return Utils::fixPath(env.isEmpty() ? QDir::homePath() + QLatin1String("/.config/") : env);
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}
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#ifndef ENABLE_KDE_SUPPORT
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static QString kdeHome()
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{
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static QString kdeHomePath;
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if (kdeHomePath.isEmpty()) {
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kdeHomePath = QString::fromLocal8Bit(qgetenv("KDEHOME"));
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if (kdeHomePath.isEmpty()) {
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QDir homeDir(QDir::homePath());
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QString kdeConfDir(QLatin1String("/.kde"));
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if (homeDir.exists(QLatin1String(".kde4"))) {
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kdeConfDir = QLatin1String("/.kde4");
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}
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kdeHomePath = QDir::homePath() + kdeConfDir;
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}
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}
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return kdeHomePath;
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}
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#endif
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static Covers::Image otherAppCover(const CoverDownloader::Job &job)
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{
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#ifdef ENABLE_KDE_SUPPORT
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QString kdeDir=KGlobal::dirs()->localkdedir();
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#else
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QString kdeDir=kdeHome();
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#endif
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Covers::Image app;
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app.fileName=kdeDir+QLatin1String("/share/apps/amarok/albumcovers/large/")+
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QCryptographicHash::hash(job.song.albumArtist().toLower().toLocal8Bit()+job.song.album.toLower().toLocal8Bit(),
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QCryptographicHash::Md5).toHex();
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app.img=QImage(app.fileName);
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if (app.img.isNull()) {
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app.fileName=xdgConfig()+QLatin1String("/Clementine/albumcovers/")+
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QCryptographicHash::hash(job.song.albumArtist().toLower().toUtf8()+job.song.album.toLower().toUtf8(),
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QCryptographicHash::Sha1).toHex()+QLatin1String(".jpg");
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app.img=QImage(app.fileName);
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}
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if (!app.img.isNull() && saveInMpdDir && canSaveTo(job.dir)) {
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QFile f(app.fileName);
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if (f.open(QIODevice::ReadOnly)) {
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QByteArray raw=f.readAll();
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if (!raw.isEmpty()) {
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QString mimeType=typeFromRaw(raw);
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QString savedName;
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QString coverName=Covers::albumFileName(job.song);
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savedName=save(mimeType, mimeType.isEmpty() ? constExtensions[0] : mimeType, job.dir+coverName, app.img, raw);
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if (!savedName.isEmpty()) {
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app.fileName=savedName;
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}
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}
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}
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}
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return app.img.isNull() ? Covers::Image() : app;
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}
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#endif
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const QSize Covers::constMaxSize(600, 600);
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Covers * Covers::self()
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{
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#ifdef ENABLE_KDE_SUPPORT
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return instance;
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#else
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static Covers *instance=0;
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if(!instance) {
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instance=new Covers;
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}
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return instance;
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#endif
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}
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bool Covers::isCoverFile(const QString &file)
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{
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return standardNames().contains(file);
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}
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static bool fExists(const QString &dir, const QString &file)
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{
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return QFile::exists(dir+file);
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}
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static bool fCopy(const QString &sDir, const QString &sFile, const QString &dDir, const QString &dFile)
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{
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return QFile::copy(sDir+sFile, dDir+dFile);
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}
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bool Covers::copyImage(const QString &sourceDir, const QString &destDir, const QString &coverFile, const QString &destName, unsigned short maxSize)
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{
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QImage img(sourceDir+coverFile);
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bool ok=false;
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if (maxSize>0 && (img.width()>maxSize || img.height()>maxSize)) { // Need to scale image...
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img=img.scaled(QSize(maxSize, maxSize), Qt::KeepAspectRatio, Qt::SmoothTransformation);
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ok=img.save(destDir+destName);
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} else if (destName.right(4)!=coverFile.right(4)) { // Diff extensions, so need to convert image type...
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ok=img.save(destDir+destName);
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} else { // no scaling, and same image type, so we can just copy...
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ok=fCopy(sourceDir, coverFile, destDir, destName);
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}
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Utils::setFilePerms(destDir+destName);
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return ok;
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}
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bool Covers::copyCover(const Song &song, const QString &sourceDir, const QString &destDir, const QString &name, unsigned short maxSize)
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{
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// First, check if dir already has a cover file!
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QStringList names=standardNames();
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for (int e=0; constExtensions[e]; ++e) {
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names+=song.album+constExtensions[e];
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}
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QString mpdCover=albumFileName(song);
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for (int e=0; constExtensions[e]; ++e) {
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if (!names.contains(mpdCover+constExtensions[e])) {
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names.prepend(mpdCover+constExtensions[e]);
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}
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}
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for (int e=0; constExtensions[e]; ++e) {
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names+=song.albumArtist()+QLatin1String(" - ")+song.album+constExtensions[e];
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}
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foreach (const QString &coverFile, names) {
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if (fExists(destDir, coverFile)) {
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return true;
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}
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}
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// No cover found, try to copy from source folder
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foreach (const QString &coverFile, names) {
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if (fExists(sourceDir, coverFile)) {
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QString destName(name);
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if (destName.isEmpty()) { // copying into mpd dir, so we want cover.jpg/png...
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if (standardNames().at(0)!=coverFile) { // source is not 'cover.xxx'
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QString ext(coverFile.endsWith(constExtensions[0]) ? constExtensions[0] : constExtensions[1]);
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destName=mpdCover+ext;
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} else {
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destName=coverFile;
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}
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}
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copyImage(sourceDir, destDir, coverFile, destName, maxSize);
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return true;
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}
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}
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QString destName(name);
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if (!destName.isEmpty()) {
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// Copying ONTO a device
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// None in source folder. Do we have a cached cover?
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QString artist=encodeName(song.albumArtist());
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QString album=encodeName(song.album);
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QString dir(Utils::cacheDir(constCoverDir+artist, false));
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for (int e=0; constExtensions[e]; ++e) {
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if (QFile::exists(dir+album+constExtensions[e])) {
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copyImage(dir, destDir, album+constExtensions[e], destName, maxSize);
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return true;
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}
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}
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}
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return false;
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}
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const QStringList & Covers::standardNames()
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{
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static QStringList *coverFileNames;
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if (!coverFileNames) {
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coverFileNames=new QStringList();
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QStringList fileNames;
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fileNames << Covers::constFileName << QLatin1String("AlbumArt") << QLatin1String("folder");
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foreach (const QString &fileName, fileNames) {
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for (int e=0; constExtensions[e]; ++e) {
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*coverFileNames << fileName+constExtensions[e];
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}
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}
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}
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return *coverFileNames;
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}
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CoverDownloader::CoverDownloader()
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{
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manager=new NetworkAccessManager(this);
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thread=new Thread(metaObject()->className());
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moveToThread(thread);
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thread->start();
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}
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void CoverDownloader::stop()
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{
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thread->stop();
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}
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void CoverDownloader::download(const Song &song)
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{
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DBUG << song.file << song.artist << song.albumartist << song.album;
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bool isArtistImage=song.isArtistImageRequest();
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if (jobs.end()!=findJob(Job(song, QString(), isArtistImage))) {
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return;
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}
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QString dirName;
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bool haveAbsPath=song.file.startsWith(Utils::constDirSep);
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if (haveAbsPath || !MPDConnection::self()->getDetails().dir.isEmpty()) {
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dirName=song.file.endsWith(Utils::constDirSep) ? (haveAbsPath ? QString() : MPDConnection::self()->getDetails().dir)+song.file
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: Utils::getDir((haveAbsPath ? QString() : MPDConnection::self()->getDetails().dir)+song.file);
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}
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Job job(song, dirName, isArtistImage);
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if (!MPDConnection::self()->getDetails().dir.isEmpty() && MPDConnection::self()->getDetails().dir.startsWith(QLatin1String("http://"))) {
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downloadViaHttp(job, JobHttpJpg);
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} else {
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downloadViaLastFm(job);
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}
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}
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bool CoverDownloader::downloadViaHttp(Job &job, JobType type)
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{
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QUrl u;
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bool isArtistImage=job.song.isArtistImageRequest();
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QString coverName=isArtistImage ? Covers::artistFileName(job.song) : Covers::albumFileName(job.song);
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coverName+=constExtensions[JobHttpJpg==type ? 0 : 1];
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QString dir=Utils::getDir(job.song.file);
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if (isArtistImage) {
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if (job.level) {
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QStringList parts=dir.split(Utils::constDirSep, QString::SkipEmptyParts);
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if (parts.size()<job.level) {
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return false;
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}
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dir=QString();
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for (int i=0; i<(parts.length()-job.level); ++i) {
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dir+=parts.at(i)+Utils::constDirSep;
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}
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}
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job.level++;
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}
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#if QT_VERSION < 0x050000
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u.setEncodedUrl(MPDConnection::self()->getDetails().dir.toLatin1()+QUrl::toPercentEncoding(dir, Utils::constDirSepCharStr)+coverName.toLatin1());
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#else
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u=QUrl(MPDConnection::self()->getDetails().dir+dir+coverName.toLatin1());
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#endif
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job.type=type;
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NetworkJob *j=manager->get(u);
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connect(j, SIGNAL(finished()), this, SLOT(jobFinished()));
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jobs.insert(j, job);
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DBUG << u.toString();
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return true;
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}
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void CoverDownloader::downloadViaLastFm(Job &job)
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{
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QUrl url("https://ws.audioscrobbler.com/2.0/");
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#if QT_VERSION < 0x050000
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QUrl &query=url;
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#else
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QUrlQuery query;
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#endif
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query.addQueryItem("method", job.isArtist ? "artist.getInfo" : "album.getInfo");
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query.addQueryItem("api_key", Covers::constLastFmApiKey);
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query.addQueryItem("autocorrect", "1");
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query.addQueryItem("artist", Covers::fixArtist(job.song.albumArtist()));
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if (!job.isArtist) {
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query.addQueryItem("album", job.song.album);
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}
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#if QT_VERSION >= 0x050000
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url.setQuery(query);
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#endif
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NetworkJob *j = manager->get(url);
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connect(j, SIGNAL(finished()), this, SLOT(lastFmCallFinished()));
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job.type=JobLastFm;
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jobs.insert(j, job);
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DBUG << url.toString();
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}
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void CoverDownloader::lastFmCallFinished()
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{
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NetworkJob *reply=qobject_cast<NetworkJob *>(sender());
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if (!reply) {
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return;
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}
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DBUG << "status" << reply->error() << reply->errorString();
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QHash<NetworkJob *, Job>::Iterator it(jobs.find(reply));
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QHash<NetworkJob *, Job>::Iterator end(jobs.end());
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if (it!=end) {
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Job job=it.value();
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jobs.erase(it);
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QString url;
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|
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if(reply->ok()) {
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QXmlStreamReader doc(reply->readAll());
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QString largeUrl;
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bool inSection=false;
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bool isArtistImage=job.isArtist;
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|
|
while (!doc.atEnd()) {
|
|
doc.readNext();
|
|
|
|
if (doc.isStartElement()) {
|
|
if (!inSection && QLatin1String(isArtistImage ? "artist" : "album")==doc.name()) {
|
|
inSection=true;
|
|
} else if (inSection && QLatin1String("image")==doc.name()) {
|
|
QString size=doc.attributes().value("size").toString();
|
|
if (QLatin1String("extralarge")==size) {
|
|
url = doc.readElementText();
|
|
} else if (QLatin1String("large")==size) {
|
|
largeUrl = doc.readElementText();
|
|
}
|
|
if (!url.isEmpty() && !largeUrl.isEmpty()) {
|
|
break;
|
|
}
|
|
}
|
|
} else if (doc.isEndElement() && inSection && QLatin1String(isArtistImage ? "artist" : "album")==doc.name()) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (url.isEmpty() && !largeUrl.isEmpty()) {
|
|
url=largeUrl;
|
|
}
|
|
}
|
|
|
|
if (!url.isEmpty()) {
|
|
QUrl u;
|
|
#if QT_VERSION < 0x050000
|
|
u.setEncodedUrl(url.toLatin1());
|
|
#else
|
|
u=QUrl(url);
|
|
#endif
|
|
NetworkJob *j=manager->get(QNetworkRequest(u));
|
|
connect(j, SIGNAL(finished()), this, SLOT(jobFinished()));
|
|
DBUG << "download" << u.toString();
|
|
jobs.insert(j, job);
|
|
} else {
|
|
if (job.isArtist) {
|
|
DBUG << "Failed to download artist image";
|
|
emit artistImage(job.song, QImage(), QString());
|
|
} else {
|
|
#if defined Q_OS_WIN
|
|
DBUG << "Failed to download cover image";
|
|
emit cover(job.song, QImage(), QString());
|
|
#else
|
|
DBUG << "Failed to download cover image - try other app";
|
|
Covers::Image img=otherAppCover(job);
|
|
emit cover(job.song, img.img, img.fileName);
|
|
#endif
|
|
}
|
|
}
|
|
}
|
|
reply->deleteLater();
|
|
}
|
|
|
|
void CoverDownloader::jobFinished()
|
|
{
|
|
NetworkJob *reply=qobject_cast<NetworkJob *>(sender());
|
|
if (!reply) {
|
|
return;
|
|
}
|
|
|
|
DBUG << "status" << reply->error() << reply->errorString();
|
|
|
|
QHash<NetworkJob *, Job>::Iterator it(jobs.find(reply));
|
|
QHash<NetworkJob *, Job>::Iterator end(jobs.end());
|
|
|
|
if (it!=end) {
|
|
QByteArray data=reply->ok() ? reply->readAll() : QByteArray();
|
|
QString url=reply->url().toString();
|
|
Covers::Image img;
|
|
img.img= data.isEmpty() ? QImage() : QImage::fromData(data, url.endsWith(".jpg", Qt::CaseInsensitive) || url.endsWith(".jpeg", Qt::CaseInsensitive)
|
|
? "JPG" : (url.endsWith(".png", Qt::CaseInsensitive) ? "PNG" : 0));
|
|
Job job=it.value();
|
|
|
|
if (!img.img.isNull() && img.img.size().width()<32) {
|
|
img.img = QImage();
|
|
}
|
|
|
|
jobs.remove(it.key());
|
|
if (img.img.isNull() && JobLastFm!=job.type) {
|
|
if (JobHttpJpg==job.type) {
|
|
if (!job.level || !downloadViaHttp(job, JobHttpJpg)) {
|
|
job.level=0;
|
|
downloadViaHttp(job, JobHttpPng);
|
|
}
|
|
} else if (JobHttpPng==job.type && (!job.level || !downloadViaHttp(job, JobHttpPng))) {
|
|
downloadViaLastFm(job);
|
|
}
|
|
} else {
|
|
if (!img.img.isNull()) {
|
|
if (img.img.size().width()>Covers::constMaxSize.width() || img.img.size().height()>Covers::constMaxSize.height()) {
|
|
img.img=img.img.scaled(Covers::constMaxSize, Qt::KeepAspectRatio, Qt::SmoothTransformation);
|
|
}
|
|
img.fileName=saveImg(job, img.img, data);
|
|
}
|
|
|
|
if (job.isArtist) {
|
|
DBUG << "artist image, null?" << img.img.isNull();
|
|
emit artistImage(job.song, img.img, img.fileName);
|
|
} else if (img.img.isNull()) {
|
|
DBUG << "failed to download cover image";
|
|
#if defined Q_OS_WIN
|
|
emit cover(job.song, QImage(), QString());
|
|
#else
|
|
img=otherAppCover(job);
|
|
emit cover(job.song, img.img, img.fileName);
|
|
#endif
|
|
} else {
|
|
DBUG << "got cover image" << img.fileName;
|
|
emit cover(job.song, img.img, img.fileName);
|
|
}
|
|
}
|
|
}
|
|
|
|
reply->deleteLater();
|
|
}
|
|
|
|
QString CoverDownloader::saveImg(const Job &job, const QImage &img, const QByteArray &raw)
|
|
{
|
|
QString mimeType=typeFromRaw(raw);
|
|
QString extension=mimeType.isEmpty() ? constExtensions[0] : mimeType;
|
|
QString savedName;
|
|
|
|
if (job.song.isCdda()) {
|
|
QString dir = Utils::cacheDir(Covers::constCddaCoverDir, true);
|
|
if (!dir.isEmpty()) {
|
|
savedName=save(mimeType, extension, dir+job.song.file.mid(7), img, raw);
|
|
if (!savedName.isEmpty()) {
|
|
DBUG << job.song.file << savedName;
|
|
return savedName;
|
|
}
|
|
}
|
|
return QString();
|
|
}
|
|
|
|
if (job.isArtist) {
|
|
if (saveInMpdDir && canSaveTo(job.dir)) {
|
|
QString mpdDir=MPDConnection::self()->getDetails().dir;
|
|
if (!mpdDir.isEmpty() && job.dir.startsWith(mpdDir) && 2==job.dir.mid(mpdDir.length()).split(Utils::constDirSep, QString::SkipEmptyParts).count()) {
|
|
QDir d(job.dir);
|
|
d.cdUp();
|
|
savedName=save(mimeType, extension, d.absolutePath()+Utils::constDirSep+Covers::artistFileName(job.song), img, raw);
|
|
if (!savedName.isEmpty()) {
|
|
DBUG << job.song.file << savedName;
|
|
return savedName;
|
|
}
|
|
}
|
|
}
|
|
|
|
QString dir = Utils::cacheDir(Covers::constCoverDir);
|
|
if (!dir.isEmpty()) {
|
|
savedName=save(mimeType, extension, dir+Covers::encodeName(job.song.albumartist), img, raw);
|
|
if (!savedName.isEmpty()) {
|
|
DBUG << job.song.file << savedName;
|
|
return savedName;
|
|
}
|
|
}
|
|
} else {
|
|
// Try to save as cover.jpg in album dir...
|
|
if (saveInMpdDir && canSaveTo(job.dir)) {
|
|
QString coverName=Covers::albumFileName(job.song);
|
|
savedName=save(mimeType, extension, job.dir+coverName, img, raw);
|
|
if (!savedName.isEmpty()) {
|
|
DBUG << job.song.file << savedName;
|
|
return savedName;
|
|
}
|
|
}
|
|
|
|
// Could not save with album, save in cache dir...
|
|
QString dir = Utils::cacheDir(Covers::constCoverDir+Covers::encodeName(job.song.albumArtist()));
|
|
if (!dir.isEmpty()) {
|
|
savedName=save(mimeType, extension, dir+Covers::encodeName(job.song.album), img, raw);
|
|
if (!savedName.isEmpty()) {
|
|
DBUG << job.song.file << savedName;
|
|
return savedName;
|
|
}
|
|
}
|
|
}
|
|
|
|
return QString();
|
|
}
|
|
|
|
QHash<NetworkJob *, CoverDownloader::Job>::Iterator CoverDownloader::findJob(const Job &job)
|
|
{
|
|
QHash<NetworkJob *, Job>::Iterator it(jobs.begin());
|
|
QHash<NetworkJob *, Job>::Iterator end(jobs.end());
|
|
|
|
for (; it!=end; ++it) {
|
|
if ((*it).isArtist==job.isArtist && (*it).song.albumArtist()==job.song.albumArtist() && (*it).song.album==job.song.album) {
|
|
return it;
|
|
}
|
|
}
|
|
|
|
return end;
|
|
}
|
|
|
|
CoverLocator::CoverLocator()
|
|
: timer(0)
|
|
{
|
|
thread=new Thread(metaObject()->className());
|
|
moveToThread(thread);
|
|
thread->start();
|
|
}
|
|
|
|
void CoverLocator::stop()
|
|
{
|
|
thread->stop();
|
|
}
|
|
|
|
void CoverLocator::startTimer(int interval)
|
|
{
|
|
if (!timer) {
|
|
timer=new QTimer(this);
|
|
timer->setSingleShot(true);
|
|
connect(timer, SIGNAL(timeout()), this, SLOT(locate()), Qt::QueuedConnection);
|
|
}
|
|
timer->start(interval);
|
|
}
|
|
|
|
void CoverLocator::locate(const Song &s)
|
|
{
|
|
queue.append(s);
|
|
startTimer(0);
|
|
}
|
|
|
|
// To improve responsiveness of views, we only process a max of X images per even loop iteration.
|
|
// If more images are asked for, we place these into a list, and get them on the next iteration
|
|
// of the loop. This way things appear smoother.
|
|
static int maxPerLoopIteration=5;
|
|
|
|
// Max number of 'findImage' per iteration - these are done in GUI thread, so keep small...
|
|
static int maxFindPerLoopIteration=5;
|
|
|
|
void CoverLocator::locate()
|
|
{
|
|
QList<Song> toDo;
|
|
for (int i=0; i<maxPerLoopIteration && !queue.isEmpty(); ++i) {
|
|
toDo.append(queue.takeFirst());
|
|
}
|
|
if (toDo.isEmpty()) {
|
|
return;
|
|
}
|
|
QList<LocatedCover> covers;
|
|
foreach (const Song &s, toDo) {
|
|
DBUG << s.file << s.artist << s.albumartist << s.album;
|
|
Covers::Image img=Covers::locateImage(s);
|
|
covers.append(LocatedCover(s, img.img, img.fileName));
|
|
}
|
|
if (!covers.isEmpty()) {
|
|
DBUG << "located" << covers.count();
|
|
emit located(covers);
|
|
}
|
|
|
|
if (!queue.isEmpty()) {
|
|
startTimer(0);
|
|
}
|
|
}
|
|
|
|
Covers::Covers()
|
|
: retrieved(0)
|
|
, cache(300000)
|
|
, countResetTimer(0)
|
|
{
|
|
maxPerLoopIteration=Settings::self()->maxCoverUpdatePerIteration();
|
|
maxFindPerLoopIteration=Settings::self()->maxCoverFindPerIteration();
|
|
|
|
qRegisterMetaType<LocatedCover>("LocatedCover");
|
|
qRegisterMetaType<QList<LocatedCover> >("QList<LocatedCover>");
|
|
saveInMpdDir=Settings::self()->storeCoversInMpdDir();
|
|
downloader=new CoverDownloader();
|
|
locator=new CoverLocator();
|
|
connect(this, SIGNAL(download(Song)), downloader, SLOT(download(Song)), Qt::QueuedConnection);
|
|
connect(downloader, SIGNAL(artistImage(Song,QImage,QString)), this, SLOT(artistImageDownloaded(Song,QImage,QString)), Qt::QueuedConnection);
|
|
connect(downloader, SIGNAL(cover(Song,QImage,QString)), this, SLOT(coverDownloaded(Song,QImage,QString)), Qt::QueuedConnection);
|
|
connect(locator, SIGNAL(located(QList<LocatedCover>)), this, SLOT(located(QList<LocatedCover>)), Qt::QueuedConnection);
|
|
connect(this, SIGNAL(locate(Song)), locator, SLOT(locate(Song)), Qt::QueuedConnection);
|
|
}
|
|
|
|
void Covers::stop()
|
|
{
|
|
disconnect(downloader, SIGNAL(artistImage(Song,QImage,QString)), this, SLOT(artistImageDownloaded(Song,QImage,QString)));
|
|
disconnect(downloader, SIGNAL(cover(Song,QImage,QString)), this, SLOT(coverDownloaded(Song,QImage,QString)));
|
|
downloader->stop();
|
|
disconnect(locator, SIGNAL(located(QList<LocatedCover>)), this, SLOT(located(QList<LocatedCover>)));
|
|
locator->stop();
|
|
#if defined CDDB_FOUND || defined MUSICBRAINZ5_FOUND
|
|
cleanCdda();
|
|
#endif
|
|
}
|
|
|
|
static inline quint32 cacheKey(const Song &song, int size)
|
|
{
|
|
return (song.key<<16)+(size&0xffffff);
|
|
}
|
|
|
|
QPixmap * Covers::get(const Song &song, int size)
|
|
{
|
|
if (song.isUnknown()) {
|
|
return 0;
|
|
}
|
|
|
|
quint32 key=cacheKey(song, size);
|
|
QPixmap *pix(cache.object(key));
|
|
|
|
if (!pix) {
|
|
QImage img;
|
|
if (song.isFromOnlineService()) {
|
|
if (SoundCloudService::constName==song.onlineService()) {
|
|
img=QImage(SoundCloudService::iconPath());
|
|
} else if (PodcastService::constName==song.onlineService()) {
|
|
img=QImage(PodcastService::iconPath());
|
|
}
|
|
}
|
|
|
|
if (img.isNull()) {
|
|
img=findImage(song, false).img;
|
|
}
|
|
|
|
cacheSizes.insert(size);
|
|
if (!img.isNull()) {
|
|
pix=new QPixmap(QPixmap::fromImage(img.scaled(size, size, Qt::KeepAspectRatio, Qt::SmoothTransformation)));
|
|
cache.insert(key, pix, pix->width()*pix->height()*(pix->depth()/8));
|
|
} else {
|
|
// Attempt to download cover...
|
|
if (Song::OnlineSvrTrack!=song.type) {
|
|
emit download(song);
|
|
}
|
|
// Create a dummy pixmap so that we dont keep on stating files that do not exist!
|
|
pix=new QPixmap(1, 1);
|
|
cache.insert(key, pix, 4);
|
|
}
|
|
}
|
|
|
|
return pix && pix->width()>1 ? pix : 0;
|
|
}
|
|
|
|
void Covers::coverDownloaded(const Song &song, const QImage &img, const QString &file)
|
|
{
|
|
if (!img.isNull()) {
|
|
clearCache(song, img, true);
|
|
}
|
|
gotAlbumCover(song, img, file);
|
|
}
|
|
|
|
void Covers::artistImageDownloaded(const Song &song, const QImage &img, const QString &file)
|
|
{
|
|
gotArtistImage(song, img, file);
|
|
}
|
|
|
|
// dummyEntriesOnly: If we have downloaded a cover, we can remove the dummy entry - so that
|
|
// the next time get() is called, it can read the saved file!
|
|
void Covers::clearCache(const Song &song, const QImage &img, bool dummyEntriesOnly)
|
|
{
|
|
bool hadDummy=false;
|
|
bool hadEntries=false;
|
|
foreach (int s, cacheSizes) {
|
|
quint32 key=cacheKey(song, s);
|
|
QPixmap *pix(cache.object(key));
|
|
|
|
if (pix && (!dummyEntriesOnly || pix->width()<2)) {
|
|
if (!hadDummy) {
|
|
hadDummy=pix->width()<2;
|
|
}
|
|
hadEntries=true;
|
|
cache.remove(key);
|
|
|
|
if (!img.isNull()) {
|
|
pix=new QPixmap(QPixmap::fromImage(img.scaled(s, s, Qt::KeepAspectRatio, Qt::SmoothTransformation)));
|
|
cache.insert(key, pix, pix->width()*pix->height()*(pix->depth()/8));
|
|
}
|
|
}
|
|
}
|
|
|
|
if (hadDummy && dummyEntriesOnly) {
|
|
emit coverRetrieved(song);
|
|
}
|
|
if (hadEntries && !dummyEntriesOnly) {
|
|
emit coverRetrieved(song);
|
|
}
|
|
}
|
|
|
|
Covers::Image Covers::findImage(const Song &song, bool emitResult)
|
|
{
|
|
Covers::Image i=locateImage(song);
|
|
if (!i.img.isNull()) {
|
|
if (song.isArtistImageRequest()) {
|
|
gotArtistImage(song, i.img, i.fileName, emitResult);
|
|
} else {
|
|
gotAlbumCover(song, i.img, i.fileName, emitResult);
|
|
}
|
|
}
|
|
return i;
|
|
}
|
|
|
|
Covers::Image Covers::locateImage(const Song &song)
|
|
{
|
|
DBUG_CLASS("Covers") << song.file << song.artist << song.albumartist << song.album << song.type;
|
|
if (Song::OnlineSvrTrack==song.type) {
|
|
return OnlineServicesModel::self()->readImage(song);
|
|
}
|
|
bool isArtistImage=song.isArtistImageRequest();
|
|
QString prevFileName=Covers::self()->getFilename(song, isArtistImage);
|
|
if (!prevFileName.isEmpty()) {
|
|
#ifdef TAGLIB_FOUND
|
|
QImage img;
|
|
if (prevFileName.startsWith(constCoverInTagPrefix)) {
|
|
img=Tags::readImage(prevFileName.mid(constCoverInTagPrefix.length()));
|
|
} else {
|
|
img=QImage(prevFileName);
|
|
}
|
|
#else
|
|
QImage img(prevFileName);
|
|
#endif
|
|
if (!img.isNull()) {
|
|
DBUG_CLASS("Covers") << "Found previous" << prevFileName;
|
|
return Image(img, prevFileName);
|
|
}
|
|
}
|
|
|
|
QString songFile=song.file;
|
|
QString dirName;
|
|
bool haveAbsPath=song.file.startsWith(Utils::constDirSep);
|
|
|
|
if (song.isCantataStream()) {
|
|
#if QT_VERSION < 0x050000
|
|
QUrl u(songFile);
|
|
#else
|
|
QUrl url(songFile);
|
|
QUrlQuery u(url);
|
|
#endif
|
|
songFile=u.hasQueryItem("file") ? u.queryItemValue("file") : QString();
|
|
}
|
|
|
|
if (!songFile.isEmpty() && !song.file.startsWith(("http:/")) &&
|
|
(haveAbsPath || (!MPDConnection::self()->getDetails().dir.isEmpty() && !MPDConnection::self()->getDetails().dir.startsWith(QLatin1String("http://")) ) ) ) {
|
|
dirName=songFile.endsWith(Utils::constDirSep) ? (haveAbsPath ? QString() : MPDConnection::self()->getDetails().dir)+songFile
|
|
: Utils::getDir((haveAbsPath ? QString() : MPDConnection::self()->getDetails().dir)+songFile);
|
|
|
|
|
|
if (isArtistImage) {
|
|
QString artistFile=artistFileName(song);
|
|
QStringList names=QStringList() << song.albumartist+".jpg" << song.albumartist+".png" << artistFile+".jpg" << artistFile+".png";
|
|
for (int level=0; level<2; ++level) {
|
|
foreach (const QString &fileName, names) {
|
|
if (QFile::exists(dirName+fileName)) {
|
|
QImage img(dirName+fileName);
|
|
|
|
if (!img.isNull()) {
|
|
DBUG_CLASS("Covers") << "Got artist image" << QString(dirName+fileName);
|
|
return Image(img, dirName+fileName);
|
|
}
|
|
}
|
|
}
|
|
QDir d(dirName);
|
|
d.cdUp();
|
|
dirName=Utils::fixPath(d.absolutePath());
|
|
}
|
|
} else {
|
|
QStringList names;
|
|
QString mpdCover=albumFileName(song);
|
|
if (!mpdCover.isEmpty()) {
|
|
for (int e=0; constExtensions[e]; ++e) {
|
|
names << mpdCover+constExtensions[e];
|
|
}
|
|
}
|
|
names << standardNames();
|
|
for (int e=0; constExtensions[e]; ++e) {
|
|
names+=Utils::changeExtension(Utils::getFile(song.file), constExtensions[e]);
|
|
}
|
|
for (int e=0; constExtensions[e]; ++e) {
|
|
names+=song.albumArtist()+QLatin1String(" - ")+song.album+constExtensions[e];
|
|
}
|
|
for (int e=0; constExtensions[e]; ++e) {
|
|
names+=song.album+constExtensions[e];
|
|
}
|
|
foreach (const QString &fileName, names) {
|
|
if (QFile::exists(dirName+fileName)) {
|
|
QImage img(dirName+fileName);
|
|
|
|
if (!img.isNull()) {
|
|
DBUG_CLASS("Covers") << "Got cover image" << QString(dirName+fileName);
|
|
return Image(img, dirName+fileName);
|
|
}
|
|
}
|
|
}
|
|
|
|
#ifdef TAGLIB_FOUND
|
|
QString fileName=haveAbsPath ? song.file : (MPDConnection::self()->getDetails().dir+songFile);
|
|
if (QFile::exists(fileName)) {
|
|
QImage img(Tags::readImage(fileName));
|
|
if (!img.isNull()) {
|
|
DBUG_CLASS("Covers") << "Got cover image from tag" << fileName;
|
|
return Image(img, constCoverInTagPrefix+fileName);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
QStringList files=QDir(dirName).entryList(QStringList() << QLatin1String("*.jpg") << QLatin1String("*.png"), QDir::Files|QDir::Readable);
|
|
foreach (const QString &fileName, files) {
|
|
QImage img(dirName+fileName);
|
|
|
|
if (!img.isNull()) {
|
|
DBUG_CLASS("Covers") << "Got cover image" << QString(dirName+fileName);
|
|
return Image(img, dirName+fileName);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
QString artist=encodeName(song.albumArtist());
|
|
|
|
if (isArtistImage) {
|
|
QString dir(Utils::cacheDir(constCoverDir, false));
|
|
for (int e=0; constExtensions[e]; ++e) {
|
|
if (QFile::exists(dir+artist+constExtensions[e])) {
|
|
QImage img(dir+artist+constExtensions[e]);
|
|
if (!img.isNull()) {
|
|
DBUG_CLASS("Covers") << "Got cached artist image" << QString(dir+artist+constExtensions[e]);
|
|
return Image(img, dir+artist+constExtensions[e]);
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
QString album=encodeName(song.album);
|
|
// Check if cover is already cached
|
|
QString dir(Utils::cacheDir(constCoverDir+artist, false));
|
|
for (int e=0; constExtensions[e]; ++e) {
|
|
if (QFile::exists(dir+album+constExtensions[e])) {
|
|
QImage img(dir+album+constExtensions[e]);
|
|
if (!img.isNull()) {
|
|
DBUG_CLASS("Covers") << "Got cached cover image" << QString(dir+album+constExtensions[e]);
|
|
return Image(img, dir+album+constExtensions[e]);
|
|
}
|
|
}
|
|
}
|
|
|
|
CoverDownloader::Job job(song, dirName);
|
|
|
|
#if !defined Q_OS_WIN
|
|
// See if amarok, or clementine, has it...
|
|
Image app=otherAppCover(job);
|
|
if (!app.img.isNull()) {
|
|
DBUG_CLASS("Covers") << "Got cover image (other app)" << app.fileName;
|
|
return app;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
DBUG_CLASS("Covers") << "Failed to locate image";
|
|
return Image(QImage(), QString());
|
|
}
|
|
|
|
// Dont return song files as cover files!
|
|
static Covers::Image fix(const Covers::Image &img)
|
|
{
|
|
return Covers::Image(img.img, img.fileName.startsWith(constCoverInTagPrefix) ? QString() : img.fileName);
|
|
}
|
|
|
|
Covers::Image Covers::requestImage(const Song &song, bool urgent)
|
|
{
|
|
DBUG << song.file << song.artist << song.albumartist << song.album;
|
|
|
|
QString key=song.isArtistImageRequest() ? artistKey(song) : albumKey(song);
|
|
if (currentImageRequests.contains(key)) {
|
|
return Covers::Image();
|
|
}
|
|
|
|
if (retrieved>=maxFindPerLoopIteration && !urgent) {
|
|
currentImageRequests.insert(key);
|
|
emit locate(song);
|
|
return Covers::Image();
|
|
}
|
|
|
|
retrieved++;
|
|
Image img=findImage(song, false);
|
|
if (img.img.isNull() && Song::OnlineSvrTrack!=song.type) {
|
|
DBUG << song.file << song.artist << song.albumartist << song.album << "Need to download";
|
|
currentImageRequests.insert(key);
|
|
emit download(song);
|
|
}
|
|
|
|
// We only want to read X files per QEventLoop iteratation. The above takes care of this, and any
|
|
// extra requests are handled via the 'emit locate' However, after the QEVentLoop, we want to reset
|
|
// this count back to 0. To do this, create a QTimer with a timout of 0 seconds. This should fire
|
|
// immediately after the current QEventLoop event.
|
|
if (!countResetTimer) {
|
|
countResetTimer=new QTimer(this);
|
|
countResetTimer->setSingleShot(true);
|
|
connect(countResetTimer, SIGNAL(timeout()), SLOT(clearCount()), Qt::QueuedConnection);
|
|
}
|
|
countResetTimer->start(0);
|
|
return fix(img);
|
|
}
|
|
|
|
void Covers::clearCount()
|
|
{
|
|
retrieved=0;
|
|
}
|
|
|
|
void Covers::located(const QList<LocatedCover> &covers)
|
|
{
|
|
foreach (const LocatedCover &cvr, covers) {
|
|
if (!cvr.img.isNull()) {
|
|
if (cvr.song.isArtistImageRequest()) {
|
|
gotArtistImage(cvr.song, cvr.img, cvr.fileName);
|
|
} else {
|
|
gotAlbumCover(cvr.song, cvr.img, cvr.fileName);
|
|
}
|
|
} else {
|
|
emit download(cvr.song);
|
|
}
|
|
}
|
|
retrieved-=covers.size();
|
|
if (retrieved<0) {
|
|
retrieved=0;
|
|
}
|
|
}
|
|
|
|
void Covers::setSaveInMpdDir(bool s)
|
|
{
|
|
saveInMpdDir=s;
|
|
}
|
|
|
|
void Covers::emitCoverUpdated(const Song &song, const QImage &img, const QString &file)
|
|
{
|
|
clearCache(song, img, false);
|
|
filenames[song.isArtistImageRequest() ? artistKey(song) : albumKey(song)]=file;
|
|
emit coverUpdated(song, img, file);
|
|
}
|
|
|
|
#if defined CDDB_FOUND || defined MUSICBRAINZ5_FOUND
|
|
void Covers::cleanCdda()
|
|
{
|
|
QString dir = Utils::cacheDir(Covers::constCddaCoverDir, false);
|
|
if (!dir.isEmpty()) {
|
|
QDir d(dir);
|
|
QStringList entries=d.entryList(QDir::Files|QDir::NoSymLinks|QDir::NoDotAndDotDot);
|
|
|
|
foreach (const QString &f, entries) {
|
|
if (f.endsWith(".jpg") || f.endsWith(".png")) {
|
|
QFile::remove(dir+f);
|
|
}
|
|
}
|
|
d.cdUp();
|
|
d.rmdir(dir);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
void Covers::gotAlbumCover(const Song &song, const QImage &img, const QString &fileName, bool emitResult)
|
|
{
|
|
QString key=albumKey(song);
|
|
currentImageRequests.remove(key);
|
|
if (!img.isNull() && !fileName.isEmpty() && !fileName.startsWith("http:/")) {
|
|
mutex.lock();
|
|
filenames.insert(key, fileName);
|
|
mutex.unlock();
|
|
}
|
|
if (emitResult) {
|
|
DBUG << "emit cover" << song.file << song.artist << song.albumartist << song.album << img.width() << img.height() << fileName;
|
|
emit cover(song, img, fileName.startsWith(constCoverInTagPrefix) ? QString() : fileName);
|
|
}
|
|
}
|
|
|
|
void Covers::gotArtistImage(const Song &song, const QImage &img, const QString &fileName, bool emitResult)
|
|
{
|
|
QString key=artistKey(song);
|
|
currentImageRequests.remove(key);
|
|
if (!img.isNull() && !fileName.isEmpty() && !fileName.startsWith("http:/")) {
|
|
mutex.lock();
|
|
filenames.insert(key, fileName);
|
|
mutex.unlock();
|
|
}
|
|
if (emitResult) {
|
|
DBUG << "emit artistImage" << song.file << song.artist << song.albumartist << song.album << img.width() << img.height() << fileName;
|
|
emit artistImage(song, img, fileName.startsWith(constCoverInTagPrefix) ? QString() : fileName);
|
|
}
|
|
}
|
|
|
|
QString Covers::getFilename(const Song &s, bool isArtist)
|
|
{
|
|
mutex.lock();
|
|
QMap<QString, QString>::ConstIterator fileIt=filenames.find(isArtist ? artistKey(s) : albumKey(s));
|
|
QString f=fileIt==filenames.end() ? QString() : fileIt.value();
|
|
mutex.unlock();
|
|
return f;
|
|
}
|