src/filebrowse/searchengine.h

   1 #ifndef SEARCHENGINE_H
   2 #define SEARCHENGINE_H
   3
   4 #include <QDir>
   5
   6 class SearchWorker;
   7
   8 /**
   9  * @brief The SearchEngine is a front-end for the SearchWorker class.
  10  * These two classes could be merged, but it is clearer to keep the background thread
  11  * in its own class.
  12  */
  13 class SearchEngine : public QObject
  14 {
  15     Q_OBJECT
  16     Q_PROPERTY(QString dir READ dir() WRITE setDir(QString) NOTIFY dirChanged())
  17     Q_PROPERTY(bool running READ running() NOTIFY runningChanged())
  18
  19 public:
  20     explicit SearchEngine(QObject *parent = 0);
  21     ~SearchEngine();
  22
  23     // property accessors
  24     QString dir() const { return m_dir; }
  25     void setDir(QString dir);
  26     bool running() const;
  27
  28     // callable from QML
  29     Q_INVOKABLE void search(QString searchTerm);
  30     Q_INVOKABLE void cancel();
  31
  32 signals:
  33     void dirChanged();
  34     void runningChanged();
  35
  36     void progressChanged(QString directory);
  37     void matchFound(QString fullname, QString filename, QString absoluteDir,
  38                     QString fileIcon, QString fileKind);
  39     void workerDone();
  40     void workerErrorOccurred(QString message, QString filename);
  41
  42 private slots:
  43     void emitMatchFound(QString fullpath);
  44
  45 private:
  46     QString m_dir;
  47     QString m_errorMessage;
  48     SearchWorker *m_searchWorker;
  49 };
  50
  51 #endif // SEARCHENGINE_H