File indexing completed on 2024-06-02 04:19:23

 /* ============================================================
  *
  * This file is a part of digiKam project
  * https://www.digikam.org
  *
  * Date        : 2023-21-06
  * Description : Batch remover of metadata.
  *
  * SPDX-FileCopyrightText: 2013-2024 by Gilles Caulier <caulier dot gilles at gmail dot com>
  * SPDX-FileCopyrightText: 2023      by Maik Qualmann <metzpinguin at gmail dot com>
  *
  * SPDX-License-Identifier: GPL-2.0-or-later
  *
  * ============================================================ */
 
 #include "metadataremover.h"
 
 // Qt includes
 
 #include <QApplication>
 #include <QMessageBox>
 #include <QString>
 #include <QTimer>
 #include <QIcon>
 
 // KDE includes
 
 #include <klocalizedstring.h>
 
 // Local includes
 
 #include "albummanager.h"
 #include "albummanager.h"
 #include "iteminfojob.h"
 #include "maintenancethread.h"
 
 namespace Digikam
 {
 
 class Q_DECL_HIDDEN MetadataRemover::Private
 {
 public:
 
     explicit Private()
       : imageInfoJob (nullptr),
         thread       (nullptr),
         removeAction (MetadataRemover::None)
     {
     }
 
     AlbumList                     palbumList;
     AlbumList::Iterator           albumsIt;
 
     ItemInfoJob*                  imageInfoJob;
 
     ItemInfoList                  imageInfoList;
 
     MaintenanceThread*            thread;
 
     MetadataRemover::RemoveAction removeAction;
 };
 
 MetadataRemover::MetadataRemover(const AlbumList& list, RemoveAction action, ProgressItem* const parent)
     : MaintenanceTool(QLatin1String("MetadataRemover"), parent),
       d(new Private)
 {
     if (list.isEmpty())
     {
         d->palbumList = AlbumManager::instance()->allPAlbums();
     }
     else
     {
         d->palbumList = list;
     }
 
     init(action);
 }
 
 MetadataRemover::MetadataRemover(const ItemInfoList& list, RemoveAction action, ProgressItem* const parent)
     : MaintenanceTool(QLatin1String("MetadataRemover"), parent),
       d(new Private)
 {
     d->imageInfoList = list;
 
     init(action);
 }
 
 // Common methods ----------------------------------------------------------------------------
 
 void MetadataRemover::init(RemoveAction action)
 {
     d->removeAction = action;
     d->thread       = new MaintenanceThread(this);
 
     connect(d->thread, SIGNAL(signalCompleted()),
             this, SLOT(slotDone()));
 
     connect(d->thread, SIGNAL(signalAdvance(QImage)),
             this, SLOT(slotAdvance()));
 }
 
 void MetadataRemover::setUseMultiCoreCPU(bool b)
 {
     d->thread->setUseMultiCore(b);
 }
 
 void MetadataRemover::slotStart()
 {
     MaintenanceTool::slotStart();
 
     ProgressManager::addProgressItem(this);
 
     d->imageInfoJob = new ItemInfoJob;
 
     connect(d->imageInfoJob, SIGNAL(signalItemsInfo(ItemInfoList)),
             this, SLOT(slotAlbumParsed(ItemInfoList)));
 
     connect(d->imageInfoJob, SIGNAL(signalCompleted()),
             this, SLOT(slotOneAlbumIsComplete()));
 
     connect(this, SIGNAL(progressItemCanceled(ProgressItem*)),
             this, SLOT(slotCancel()));
 
     QTimer::singleShot(500, this, SLOT(slotParseAlbums()));
 }
 
 MetadataRemover::~MetadataRemover()
 {
     delete d->imageInfoJob;
     delete d;
 }
 
 void MetadataRemover::slotCancel()
 {
     d->imageInfoJob->stop();
     d->thread->cancel();
     MaintenanceTool::slotCancel();
 }
 
 // Parse Albums methods ------------------------------------------------------------------
 
 void MetadataRemover::slotParseAlbums()
 {
     setUsesBusyIndicator(true);
     d->albumsIt = d->palbumList.begin();
     processOneAlbum();
 }
 
 void MetadataRemover::processOneAlbum()
 {
     if (canceled())
     {
         return;
     }
 
     if (d->albumsIt == d->palbumList.end())     // All albums are parsed.
     {
         parseList();
         return;
     }
 
     d->imageInfoJob->allItemsFromAlbum(*d->albumsIt);
 }
 
 void MetadataRemover::slotAlbumParsed(const ItemInfoList& list)
 {
     d->imageInfoList << list;
 }
 
 void MetadataRemover::slotOneAlbumIsComplete()
 {
     d->albumsIt++;
     processOneAlbum();
 }
 
 // Parse info list methods -----------------------------------------------------------------------
 
 void MetadataRemover::parseList()
 {
     setUsesBusyIndicator(false);
 
     if      (d->removeAction == None)
     {
         slotDone();
         return;
     }
     else if (d->removeAction == Faces)
     {
         setLabel(i18n("Remove all faces from image"));
         setThumbnail(QIcon::fromTheme(QLatin1String("list-remove-user")).pixmap(22));
     }
     else if (d->removeAction == Tags)
     {
         setLabel(i18n("Remove all tags from image"));
         setThumbnail(QIcon::fromTheme(QLatin1String("tag-delete")).pixmap(22));
     }
 
     if (d->imageInfoList.isEmpty())
     {
         slotDone();
         return;
     }
 
     if (d->imageInfoList.size() > 1)
     {
         QString message;
 
         if      (d->removeAction == MetadataRemover::Faces)
         {
             message = i18n("All faces are removed from %1 selected images.\n"
                            "Do you want to continue?", d->imageInfoList.size());
         }
         else if (d->removeAction == MetadataRemover::Tags)
         {
             message = i18n("All tags are removed from %1 selected images.\n"
                            "Do you want to continue?", d->imageInfoList.size());
         }
 
         int ret = QMessageBox::question(qApp->activeWindow(), qApp->applicationName(),
                                         message, QMessageBox::Yes | QMessageBox::No);
 
         if (ret == QMessageBox::No)
         {
             slotDone();
             return;
         }
     }
 
     setTotalItems(d->imageInfoList.count());
 
     d->thread->removeMetadata(d->imageInfoList, d->removeAction);
     d->thread->start();
 }
 
 void MetadataRemover::slotAdvance()
 {
     advance(1);
 }
 
 } // namespace Digikam
 
 #include "moc_metadataremover.cpp"