src/filebrowse/fileworker.h

   1 #ifndef FILEWORKER_H
   2 #define FILEWORKER_H
   3
   4 #include <QThread>
   5 #include <QDir>
   6
   7 /**
   8  * @brief FileWorker does delete, copy and move files in the background.
   9  */
  10 class FileWorker : public QThread
  11 {
  12     Q_OBJECT
  13
  14 public:
  15     explicit FileWorker(QObject *parent = 0);
  16     ~FileWorker();
  17
  18     // call these to start the thread, returns false if start failed
  19     void startDeleteFiles(QStringList filenames);
  20     void startCopyFiles(QStringList filenames, QString destDirectory);
  21     void startMoveFiles(QStringList filenames, QString destDirectory);
  22
  23     void cancel();
  24
  25 signals: // signals, can be connected from a thread to another
  26     void progressChanged(int progress, QString filename);
  27
  28     // one of these is emitted when thread ends
  29     void done();
  30     void errorOccurred(QString message, QString filename);
  31
  32     void fileDeleted(QString fullname);
  33
  34 protected:
  35     void run();
  36
  37 private:
  38     enum Mode {
  39         DeleteMode, CopyMode, MoveMode
  40     };
  41     enum CancelStatus {
  42         Cancelled = 0, KeepRunning = 1
  43     };
  44
  45     QString deleteFile(QString filenames);
  46     void deleteFiles();
  47     void copyOrMoveFiles();
  48     QString copyDirRecursively(QString srcDirectory, QString destDirectory);
  49     QString copyOverwrite(QString src, QString dest);
  50
  51     FileWorker::Mode m_mode;
  52     QStringList m_filenames;
  53     QString m_destDirectory;
  54     QAtomicInt m_cancelled; // atomic so no locks needed
  55     int m_progress;
  56 };
  57
  58 #endif // FILEWORKER_H