File indexing completed on 2024-06-02 04:17:20

 /* ============================================================
  *
  * This file is a part of digiKam project
  * https://www.digikam.org
  *
  * Date        : 2016-08-14
  * Description : An unit test to read or write metadata through multi-core threads.
  *
  * SPDX-FileCopyrightText: 2016-2024 by Gilles Caulier <caulier dot gilles at gmail dot com>
  *
  * SPDX-License-Identifier: GPL-2.0-or-later
  *
  * ============================================================ */
 
 #ifndef DIGIKAM_META_READER_THREAD_UTEST_H
 #define DIGIKAM_META_READER_THREAD_UTEST_H
 
 // Qt includes
 
 #include <QList>
 #include <QUrl>
 #include <QMap>
 #include <QElapsedTimer>
 
 // Local includes
 
 #include "abstractunittest.h"
 #include "metaenginesettingscontainer.h"
 #include "dmetadatasettingscontainer.h"
 #include "actionthreadbase.h"
 
 using namespace Digikam;
 
 // -------------------------------------------------------------------------
 // Multi-threads manager for separated job
 
 class MetaReaderThread : public ActionThreadBase
 {
     Q_OBJECT
 
 public:
 
     enum Direction
     {
         NOT_DEFINED            = -1,
         READ_INFO_FROM_FILE    = 0,   /// Read lead metadata info from file used to populate the core-database.
         READ_PREVIEW_FROM_FILE = 1,   /// Read preview from file to populate thumbs-database.
         WRITE_INFO_TO_SIDECAR  = 2    /// Write metadata info to sidecar.
     };
 
 public:
 
     explicit MetaReaderThread(QObject* const parent);
     ~MetaReaderThread() override;
 
     void readMetadata(const QList<QUrl>& list,
                       Direction direction,
                       const MetaEngineSettingsContainer& settings,
                       const QString& temp);
 
     QString stats(const QStringList& mimeTypes);
 
     static QString directionToString(Direction direction);
 
 public:
 
     QElapsedTimer m_timer;
 
 protected Q_SLOTS:
 
     void slotJobFinished();
     void slotStats(const QUrl& url, bool p);
 
 Q_SIGNALS:
 
     void done();
 
 private:
 
     QMultiMap<QUrl, bool> m_stats;     // Map of type-mime, and file processed.
 };
 
 // -------------------------------------------------------------------------
 // Separated job multi-threaded to run operations over file metadata
 
 class Mytask : public ActionJob
 {
     Q_OBJECT
 
 public:
 
     explicit Mytask(QObject* const parent = nullptr);
 
 public:
 
     QUrl                        url;
     MetaReaderThread::Direction direction;
     MetaEngineSettingsContainer settings;
     QString                     tempDir;
 
 protected:
 
     void run() override;
 
 Q_SIGNALS:
 
     void signalStats(const QUrl&, bool);
 };
 
 // -------------------------------------------------------------------------
 // Unit-test class
 
 class MetaReaderThreadTest : public AbstractUnitTest
 {
     Q_OBJECT
 
 public:
 
     explicit MetaReaderThreadTest(QObject* const parent = nullptr);
 
 private:
 
     void runMetaReader(const QString& path,
                        const QStringList& mimeTypes,
                        MetaReaderThread::Direction direction,
                        const MetaEngineSettingsContainer& settings,
                        int threadsToUse);
 
 private Q_SLOTS:
 
     void testMetaReaderThread();
 };
 
 #endif // DIGIKAM_META_READER_THREAD_UTEST_H