src/filebrowse/searchworker.h

   1 #ifndef SEARCHWORKER_H
   2 #define SEARCHWORKER_H
   3
   4 #include <QThread>
   5 #include <QDir>
   6
   7 /**
   8  * @brief SearchWorker does searching in the background.
   9  */
  10 class SearchWorker : public QThread
  11 {
  12     Q_OBJECT
  13
  14 public:
  15     explicit SearchWorker(QObject *parent = 0);
  16     ~SearchWorker();
  17
  18     void startSearch(QString directory, QString searchTerm);
  19
  20     void cancel();
  21
  22 signals: // signals, can be connected from a thread to another
  23
  24     void progressChanged(QString directory);
  25
  26     void matchFound(QString fullname);
  27
  28     // one of these is emitted when thread ends
  29     void done();
  30     void errorOccurred(QString message, QString filename);
  31
  32 protected:
  33     void run();
  34
  35 private:
  36     enum CancelStatus {
  37         Cancelled = 0, NotCancelled = 1
  38     };
  39
  40     QString searchRecursively(QString directory, QString searchTerm);
  41
  42     QString m_directory;
  43     QString m_searchTerm;
  44     QAtomicInt m_cancelled; // atomic so no locks needed
  45     QString m_currentDirectory;
  46 };
  47
  48 #endif // SEARCHWORKER_H