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/*
* browsethread.cpp (C) 2011 Tobias Rafreider
*/
#include "library/browse/browsethread.h"
#include <QDateTime>
#include <QDirIterator>
#include <QStringList>
#include <QtDebug>
#include "library/browse/browsetablemodel.h"
#include "moc_browsethread.cpp"
#include "sources/soundsourceproxy.h"
#include "track/track.h"
#include "util/datetime.h"
#include "util/trace.h"
QWeakPointer<BrowseThread> BrowseThread::m_weakInstanceRef;
static QMutex s_Mutex;
/*
* This class is a singleton and represents a thread
* that is used to read ID3 metadata
* from a particular folder.
*
* The BrowseTableModel uses this class.
* Note: Don't call getInstance() from places
* other than the GUI thread. BrowseThreads emit
* signals to BrowseModel objects. It does not
* make sense to use this class in non-GUI threads
*/
BrowseThread::BrowseThread(QObject *parent)
: QThread(parent) {
m_bStopThread = false;
m_model_observer = nullptr;
//start Thread
start(QThread::LowPriority);
}
BrowseThread::~BrowseThread() {
qDebug() << "Wait to finish browser background thread";
m_bStopThread = true;
//wake up thread since it might wait for user input
m_locationUpdated.wakeAll();
//Wait until thread terminated
//terminate();
wait();
qDebug() << "Browser background thread terminated!";
}
// static
BrowseThreadPointer BrowseThread::getInstanceRef() {
BrowseThreadPointer strong = m_weakInstanceRef.toStrongRef();
if (!strong) {
s_Mutex.lock();
strong = m_weakInstanceRef.toStrongRef();
if (!strong) {
strong = BrowseThreadPointer(new BrowseThread());
m_weakInstanceRef = strong.toWeakRef();
}
s_Mutex.unlock();
}
return strong;
}
void BrowseThread::executePopulation(const MDir& path, BrowseTableModel* client) {
m_path_mutex.lock();
m_path = path;
m_model_observer = client;
m_path_mutex.unlock();
m_locationUpdated.wakeAll();
}
void BrowseThread::run() {
QThread::currentThread()->setObjectName("BrowseThread");
m_mutex.lock();
while (!m_bStopThread) {
//Wait until the user has selected a folder
m_locationUpdated.wait(&m_mutex);
Trace trace("BrowseThread");
//Terminate thread if Mixxx closes
if(m_bStopThread) {
break;
}
// Populate the model
populateModel();
}
m_mutex.unlock();
}
namespace {
class YearItem: public QStandardItem {
public:
explicit YearItem(const QString& year)
: QStandardItem(year) {
}
QVariant data(int role) const override {
switch (role) {
case Qt::DisplayRole: {
const QString year(QStandardItem::data(role).toString());
return mixxx::TrackMetadata::formatCalendarYear(year);
}
default:
return QStandardItem::data(role);
}
}
};
} // namespace
void BrowseThread::populateModel() {
m_path_mutex.lock();
MDir thisPath = m_path;
BrowseTableModel* thisModelObserver = m_model_observer;
m_path_mutex.unlock();
// Refresh the name filters in case we loaded new SoundSource plugins.
QStringList nameFilters(SoundSourceProxy::getSupportedFileNamePatterns());
QDirIterator fileIt(thisPath.dir().absolutePath(), nameFilters,
QDir::Files | QDir::NoDotAndDotDot);
// remove all rows
// This is a blocking operation
// see signal/slot connection in BrowseTableModel
emit clearModel(thisModelObserver);
QList< QList<QStandardItem*> > rows;
int row = 0;
// Iterate over the files
while (fileIt.hasNext()) {
// If a user quickly jumps through the folders
// the current task becomes "dirty"
m_path_mutex.lock();
MDir newPath = m_path;
m_path_mutex.unlock();
if (thisPath.dir() != newPath.dir()) {
qDebug() << "Abort populateModel()";
populateModel();
return;
}
QList<QStandardItem*> row_data;
QStandardItem* item = new QStandardItem("0");
item->setData("0", Qt::UserRole);
row_data.insert(COLUMN_PREVIEW, item);
const QString filepath = fileIt.next();
{
const TrackPointer pTrack =
SoundSourceProxy::importTemporaryTrack(
filepath,
thisPath.token());
item = new QStandardItem(pTrack->getFileInfo().fileName());
item->setToolTip(item->text());
item->setData(item->text(), Qt::UserRole);
row_data.insert(COLUMN_FILENAME, item);
item = new QStandardItem(pTrack->getArtist());
item->setToolTip(item->text());
item->setData(item->text(), Qt::UserRole);
row_data.insert(COLUMN_ARTIST, item);
item = new QStandardItem(pTrack->getTitle());
item->setToolTip(item->text());
item->setData(item->text(), Qt::UserRole);
row_data.insert(COLUMN_TITLE, item);
item = new QStandardItem(pTrack->getAlbum());
item->setToolTip(item->text());
item->setData(item->text(), Qt::UserRole);
row_data.insert(COLUMN_ALBUM, item);
item = new QStandardItem(pTrack->getTrackNumber());
item->setToolTip(item->text());
item->setData(item->text().toInt(), Qt::UserRole);
row_data.insert(COLUMN_TRACK_NUMBER, item);
const QString year(pTrack->getYear());
item = new YearItem(year);
item->setToolTip(year);
// The year column is sorted according to the numeric calendar year
item->setData(mixxx::TrackMetadata::parseCalendarYear(year), Qt::UserRole);
row_data.insert(COLUMN_YEAR, item);
item = new QStandardItem(pTrack->getGenre());
item->setToolTip(item->text());
item->setData(item->text(), Qt::UserRole);
row_data.insert(COLUMN_GENRE, item);
item = new QStandardItem(pTrack->getComposer());
item->setToolTip(item->text());
item->setData(item->text(), Qt::UserRole);
row_data.insert(COLUMN_COMPOSER, item);
item = new QStandardItem(pTrack->getComment());
item->setToolTip(item->text());
item->setData(item->text(), Qt::UserRole);
row_data.insert(COLUMN_COMMENT, item);
QString duration = pTrack->getDurationText(mixxx::Duration::Precision::SECONDS);
item = new QStandardItem(duration);
item->setToolTip(item->text());
item->setData(item->text(), Qt::UserRole);
row_data.insert(COLUMN_DURATION, item);
item = new QStandardItem(pTrack->getBpmText());
item->setToolTip(item->text());
item->setData(pTrack->getBpm(), Qt::UserRole);
row_data.insert(COLUMN_BPM, item);
item = new QStandardItem(pTrack->getKeyText());
item->setToolTip(item->text());
item->setData(item->text(), Qt::UserRole);
row_data.insert(COLUMN_KEY, item);
item = new QStandardItem(pTrack->getType());
item->setToolTip(item->text());
item->setData(item->text(), Qt::UserRole);
row_data.insert(COLUMN_TYPE, item);
item = new QStandardItem(pTrack->getBitrateText());
item->setToolTip(item->text());
item->setData(pTrack->getBitrate(), Qt::UserRole);
row_data.insert(COLUMN_BITRATE, item);
QString location = pTrack->getLocation();
QString nativeLocation = QDir::toNativeSeparators(location);
item = new QStandardItem(nativeLocation);
item->setToolTip(nativeLocation);
item->setData(location, Qt::UserRole);
row_data.insert(COLUMN_NATIVELOCATION, item);
item = new QStandardItem(pTrack->getAlbumArtist());
item->setToolTip(item->text());
item->setData(item->text(), Qt::UserRole);
row_data.insert(COLUMN_ALBUMARTIST, item);
item = new QStandardItem(pTrack->getGrouping());
item->setToolTip(item->text());
item->setData(item->text(), Qt::UserRole);
row_data.insert(COLUMN_GROUPING, item);
const auto fileLastModified =
pTrack->getFileInfo().fileLastModified();
item = new QStandardItem(
mixxx::displayLocalDateTime(fileLastModi
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