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Sourcecode: acoustid-fingerprinter version File versions  Download package

loadfilelisttask.cpp

#include <QDir>
#include <QFile>
#include <QDesktopServices>
#include <QSet>
#include <QDebug>
#include "utils.h"
#include "loadfilelisttask.h"

LoadFileListTask::LoadFileListTask(const QStringList &directories)
      : m_directories(removeDuplicateDirectories(directories))
{
}

QStringList LoadFileListTask::removeDuplicateDirectories(const QStringList &directories)
{
    int directoryCount = directories.size();
    QList<QString> sortedDirectories;
    for (int i = 0; i < directoryCount; i++) {
        sortedDirectories.append(QDir(directories.at(i)).canonicalPath() + QDir::separator());
    }
    qSort(sortedDirectories);
    QStringList result;
    result.append(sortedDirectories.first());
    for (int j = 0, i = 1; i < directoryCount; i++) {
        QString path = sortedDirectories.at(i);
        if (!path.startsWith(result.at(j))) {
            result.append(path);
            j++;
        }
    }
      return result;
}

void LoadFileListTask::processFile(const QString &path)
{
    static QSet<QString> allowedExtensions = QSet<QString>()
        << "MP3" 
            << "MP4"
        << "M4A"
        << "FLAC"
        << "OGG"
        << "OGA"
        << "APE"
        << "OGGFLAC"
        << "TTA"
        << "WV"
        << "MPC"
        << "WMA";

      if (allowedExtensions.contains(extractExtension(path))) {
            if (!m_cache.contains(path)) {
                  m_cache.insert(path);
                  m_files.append(path);
            }
      }
}

void LoadFileListTask::processDirectory(const QString &path)
{
      emit currentPathChanged(path);
    QFileInfoList fileInfoList = QDir(path).entryInfoList(QDir::AllEntries | QDir::NoDotAndDotDot);
      for (int j = 0; j < fileInfoList.size(); j++) {
            QFileInfo fileInfo = fileInfoList.at(j);
            if (fileInfo.isDir()) {
                  processDirectory(fileInfo.filePath());
            }
            else {
                  processFile(fileInfo.filePath());
            }
    }
}

static QSet<QString> readCacheFile()
{
      QString fileName = cacheFileName();
      QFile file(fileName);
      if (!file.open(QIODevice::ReadOnly)) {
            qWarning() << "Couldn't open cache file" << fileName << "for reading";
            return QSet<QString>();
      }
      QTextStream stream(&file);
      stream.setCodec("UTF-8");
      QSet<QString> result;
      while (true) {
            QString fileName = stream.readLine();
            if (fileName.isEmpty()) {
                  break;
            }
            result.insert(fileName);
      }
      return result;
}

void LoadFileListTask::run()
{
      m_cache = readCacheFile();
      foreach (QString path, m_directories) {
            processDirectory(path);
      }
      emit finished(m_files);
}


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