src/kitemviews/private/kdirectorycontentscounterworker.h

   1 /*
   2  * SPDX-FileCopyrightText: 2013 Frank Reininghaus <frank78ac@googlemail.com>
   3  *
   4  * SPDX-License-Identifier: GPL-2.0-or-later
   5  */
   6
   7 #ifndef KDIRECTORYCONTENTSCOUNTERWORKER_H
   8 #define KDIRECTORYCONTENTSCOUNTERWORKER_H
   9
  10 #include <QMetaType>
  11 #include <QObject>
  12
  13 class QString;
  14
  15 class KDirectoryContentsCounterWorker : public QObject
  16 {
  17     Q_OBJECT
  18
  19 public:
  20     enum Option { NoOptions = 0x0, CountHiddenFiles = 0x1 };
  21     Q_DECLARE_FLAGS(Options, Option)
  22
  23     explicit KDirectoryContentsCounterWorker(QObject *parent = nullptr);
  24
  25     bool stopping() const;
  26     QString scannedPath() const;
  27 Q_SIGNALS:
  28     /**
  29      * Signals that the directory \a path contains \a count items and optionally the size of its content.
  30      */
  31     void result(const QString &path, int count, long long size);
  32     void intermediateResult(const QString &path, int count, long long size);
  33     void finished();
  34
  35 public Q_SLOTS:
  36     /**
  37      * Requests the number of items inside the directory \a path using the
  38      * options \a options. The result is announced via the signal \a result.
  39      */
  40     // Note that the full type name KDirectoryContentsCounterWorker::Options
  41     // is needed here. Just using 'Options' is OK for the compiler, but
  42     // confuses moc.
  43     void countDirectoryContents(const QString &path, KDirectoryContentsCounterWorker::Options options, int maxRecursiveLevel);
  44     void stop();
  45
  46 private:
  47 #ifndef Q_OS_WIN
  48     void walkDir(const QString &dirPath, bool countHiddenFiles, uint allowedRecursiveLevel);
  49 #endif
  50
  51     QString m_scannedPath;
  52
  53     std::atomic<bool> m_stopping = false;
  54 };
  55
  56 Q_DECLARE_METATYPE(KDirectoryContentsCounterWorker::Options)
  57 Q_DECLARE_OPERATORS_FOR_FLAGS(KDirectoryContentsCounterWorker::Options)
  58
  59 #endif