File indexing completed on 2025-01-19 03:59:30

 /* ============================================================
  *
  * This file is a part of digiKam project
  * https://www.digikam.org
  *
  * Date        : 2008-05-16
  * Description : fingerprints generator
  *
  * SPDX-FileCopyrightText:      2018 by Mario Frank    <mario dot frank at uni minus potsdam dot de>
  * SPDX-FileCopyrightText: 2008-2024 by Gilles Caulier <caulier dot gilles at gmail dot com>
  * SPDX-FileCopyrightText: 2012      by Andi Clemens <andi dot clemens at gmail dot com>
  *
  * SPDX-License-Identifier: GPL-2.0-or-later
  *
  * ============================================================ */
 
 #include "fingerprintsgenerator.h"
 
 // Qt includes
 
 #include <QApplication>
 #include <QString>
 #include <QIcon>
 
 // KDE includes
 
 #include <kconfiggroup.h>
 #include <klocalizedstring.h>
 #include <ksharedconfig.h>
 
 // Local includes
 
 #include "dimg.h"
 #include "coredb.h"
 #include "albummanager.h"
 #include "coredbaccess.h"
 #include "maintenancethread.h"
 
 namespace Digikam
 {
 
 class Q_DECL_HIDDEN FingerPrintsGenerator::Private
 {
 public:
 
     explicit Private()
       : rebuildAll(true),
         thread(nullptr)
     {
     }
 
     bool               rebuildAll;
 
     AlbumList          albumList;
 
     MaintenanceThread* thread;
 };
 
 FingerPrintsGenerator::FingerPrintsGenerator(const bool rebuildAll, const AlbumList& list, ProgressItem* const parent)
     : MaintenanceTool(QLatin1String("FingerPrintsGenerator"), parent),
       d(new Private)
 {
     d->albumList  = list;
     d->rebuildAll = rebuildAll;
     d->thread     = new MaintenanceThread(this);
 
     connect(d->thread, SIGNAL(signalCompleted()),
             this, SLOT(slotDone()));
 
     connect(d->thread, SIGNAL(signalAdvance(QImage)),
             this, SLOT(slotAdvance(QImage)));
 }
 
 FingerPrintsGenerator::~FingerPrintsGenerator()
 {
     delete d;
 }
 
 void FingerPrintsGenerator::setUseMultiCoreCPU(bool b)
 {
     d->thread->setUseMultiCore(b);
 }
 
 void FingerPrintsGenerator::slotCancel()
 {
     d->thread->cancel();
     MaintenanceTool::slotCancel();
 }
 
 void FingerPrintsGenerator::slotStart()
 {
     MaintenanceTool::slotStart();
 
     setLabel(i18n("Finger-prints"));
 
     ProgressManager::addProgressItem(this);
 
     QApplication::setOverrideCursor(Qt::WaitCursor);
 
     if (d->albumList.isEmpty())
     {
         d->albumList = AlbumManager::instance()->allPAlbums();
     }
 
     // Get all item IDs from albums.
 
     QList<qlonglong> itemIds;
 
     for (AlbumList::ConstIterator it = d->albumList.constBegin() ;
          !canceled() && (it != d->albumList.constEnd()) ; ++it)
     {
         if ((*it)->type() == Album::PHYSICAL)
         {
             Q_FOREACH (const qlonglong& id, CoreDbAccess().db()->getItemIDsInAlbum((*it)->id()))
             {
                 if (!itemIds.contains(id))
                 {
                     itemIds << id;
                 }
             }
         }
         else if ((*it)->type() == Album::TAG)
         {
             Q_FOREACH (const qlonglong& id, CoreDbAccess().db()->getItemIDsInTag((*it)->id()))
             {
                 if (!itemIds.contains(id))
                 {
                     itemIds << id;
                 }
             }
         }
     }
 
     QApplication::restoreOverrideCursor();
 
     if (itemIds.isEmpty())
     {
         slotDone();
         return;
     }
 
     setTotalItems(itemIds.count());
 
     d->thread->generateFingerprints(itemIds, d->rebuildAll);
     d->thread->start();
 }
 
 void FingerPrintsGenerator::slotAdvance(const QImage& img)
 {
     setThumbnail(QIcon(QPixmap::fromImage(img)));
     advance(1);
 }
 
 void FingerPrintsGenerator::slotDone()
 {
     // Switch on scanned for finger-prints flag on digiKam config file.
     KSharedConfig::openConfig()->group(QLatin1String("General Settings")).writeEntry(QLatin1String("Finger Prints Generator First Run"), true);
 
     MaintenanceTool::slotDone();
 }
 
 } // namespace Digikam
 
 #include "moc_fingerprintsgenerator.cpp"