File indexing completed on 2025-01-19 03:51:27

 /* ============================================================
  *
  * This file is a part of digiKam project
  * https://www.digikam.org
  *
  * Date        : 2004-05-16
  * Description : time adjust thread.
  *
  * SPDX-FileCopyrightText: 2012      by Smit Mehta <smit dot meh at gmail dot com>
  * SPDX-FileCopyrightText: 2012-2024 by Gilles Caulier <caulier dot gilles at gmail dot com>
  * SPDX-FileCopyrightText: 2018-2021 by Maik Qualmann <metzpinguin at gmail dot com>
  *
  * SPDX-License-Identifier: GPL-2.0-or-later
  *
  * ============================================================ */
 
 #include "timeadjustthread.h"
 
 // Qt includes
 
 #include <QFileInfo>
 
 // Local includes
 
 #include "dmetadata.h"
 #include "timeadjusttask.h"
 
 namespace DigikamGenericTimeAdjustPlugin
 {
 
 class Q_DECL_HIDDEN TimeAdjustThread::Private
 {
 
 public:
 
     explicit Private()
       : iface(nullptr)
     {
     }
 
     // Settings from GUI.
 
     TimeAdjustContainer settings;
 
     QMap<QUrl, int>     itemsMap;
 
     DInfoInterface*     iface;
 };
 
 
 TimeAdjustThread::TimeAdjustThread(QObject* const parent, DInfoInterface* const iface)
     : ActionThreadBase(parent),
       d(new Private)
 {
     d->iface = iface;
 }
 
 TimeAdjustThread::~TimeAdjustThread()
 {
     // cancel the thread
 
     cancel();
 
     // wait for the thread to finish
 
     wait();
 
     delete d;
 }
 
 void TimeAdjustThread::setUpdatedDates(const QMap<QUrl, int>& itemsMap)
 {
     d->itemsMap = itemsMap;
 
     ActionJobCollection collection;
 
     Q_FOREACH (const QUrl& url, itemsMap.keys())
     {
         TimeAdjustTask* const t = new TimeAdjustTask(url, this);
         t->setSettings(d->settings);
 
         connect(t, SIGNAL(signalProcessStarted(QUrl)),
                 this, SIGNAL(signalProcessStarted(QUrl)));
 
         connect(t, SIGNAL(signalProcessEnded(QUrl,QDateTime,QDateTime,int)),
                 this, SIGNAL(signalProcessEnded(QUrl,QDateTime,QDateTime,int)));
 
         connect(t, SIGNAL(signalDateTimeForUrl(QUrl,QDateTime,bool)),
                 this, SIGNAL(signalDateTimeForUrl(QUrl,QDateTime,bool)));
 
         collection.insert(t, 0);
      }
 
     appendJobs(collection);
 }
 
 void TimeAdjustThread::setPreviewDates(const QMap<QUrl, int>& itemsMap)
 {
     d->itemsMap = itemsMap;
 
     ActionJobCollection collection;
 
     Q_FOREACH (const QUrl& url, itemsMap.keys())
     {
         TimePreviewTask* const t = new TimePreviewTask(url, this);
         t->setSettings(d->settings);
 
         connect(t, SIGNAL(signalPreviewReady(QUrl,QDateTime,QDateTime)),
                 this, SIGNAL(signalPreviewReady(QUrl,QDateTime,QDateTime)));
 
         collection.insert(t, 0);
      }
 
     appendJobs(collection);
 }
 
 void TimeAdjustThread::setSettings(const TimeAdjustContainer& settings)
 {
     d->settings = settings;
 }
 
 QDateTime TimeAdjustThread::readTimestamp(const QUrl& url) const
 {
     QDateTime dateTime;
 
     switch (d->settings.dateSource)
     {
         case TimeAdjustContainer::APPDATE:
         {
             dateTime = readApplicationTimestamp(url);
             break;
         }
 
         case TimeAdjustContainer::FILENAME:
         {
             dateTime = readFileNameTimestamp(url);
             break;
         }
 
         case TimeAdjustContainer::FILEDATE:
         {
             dateTime = readFileTimestamp(url);
             break;
         }
 
         case TimeAdjustContainer::METADATADATE:
         {
             dateTime = readMetadataTimestamp(url);
             break;
         }
 
         default:  // CUSTOMDATE
         {
             dateTime = QDateTime(d->settings.customDate.date(),
                                  d->settings.customTime.time());
 
             break;
         }
     }
 
     return dateTime;
 }
 
 QDateTime TimeAdjustThread::readApplicationTimestamp(const QUrl& url) const
 {
     DItemInfo info(d->iface->itemInfo(url));
 
     if (info.dateTime().isValid())
     {
         return info.dateTime();
     }
 
     return QDateTime();
 }
 
 QDateTime TimeAdjustThread::readFileNameTimestamp(const QUrl& url) const
 {
     return d->settings.getDateTimeFromString(url.fileName());
 }
 
 QDateTime TimeAdjustThread::readFileTimestamp(const QUrl& url) const
 {
     QFileInfo fileInfo(url.toLocalFile());
 
     return fileInfo.lastModified();
 }
 
 QDateTime TimeAdjustThread::readMetadataTimestamp(const QUrl& url) const
 {
     QScopedPointer<DMetadata> meta(new DMetadata);
 
     if (!meta->load(url.toLocalFile()))
     {
         return QDateTime();
     }
 
     QDateTime dateTime;
     QString exifDateTimeFormat = QLatin1String("yyyy:MM:dd hh:mm:ss");
     QString xmpDateTimeFormat  = QLatin1String("yyyy-MM-ddThh:mm:ss");
 
     switch (d->settings.metadataSource)
     {
         case TimeAdjustContainer::EXIFIPTCXMP:
         {
             dateTime = meta->getItemDateTime();
             break;
         }
 
         case TimeAdjustContainer::EXIFCREATED:
         {
             dateTime = QDateTime::fromString(meta->getExifTagString("Exif.Image.DateTime"),
                                              exifDateTimeFormat);
             break;
         }
 
         case TimeAdjustContainer::EXIFORIGINAL:
         {
             dateTime = QDateTime::fromString(meta->getExifTagString("Exif.Photo.DateTimeOriginal"),
                                              exifDateTimeFormat);
             break;
         }
 
         case TimeAdjustContainer::EXIFDIGITIZED:
         {
             dateTime = QDateTime::fromString(meta->getExifTagString("Exif.Photo.DateTimeDigitized"),
                                              exifDateTimeFormat);
             break;
         }
 
         case TimeAdjustContainer::IPTCCREATED:
         {
             // we have to truncate the timezone from the time, otherwise it cannot be converted to a QTime
 
             dateTime = QDateTime(QDate::fromString(meta->getIptcTagString("Iptc.Application2.DateCreated"),
                                                    Qt::ISODate),
                                  QTime::fromString(meta->getIptcTagString("Iptc.Application2.TimeCreated").left(8),
                                                    Qt::ISODate));
             break;
         }
 
         case TimeAdjustContainer::XMPCREATED:
         {
             dateTime = QDateTime::fromString(meta->getXmpTagString("Xmp.xmp.CreateDate"),
                                              xmpDateTimeFormat);
             break;
         }
 
         case TimeAdjustContainer::FUZZYCREATED:
         {
             dateTime = d->settings.getDateTimeFromString(meta->getExifTagString("Exif.Image.DateTime"));
             break;
         }
 
         case TimeAdjustContainer::FUZZYORIGINAL:
         {
             dateTime = d->settings.getDateTimeFromString(meta->getExifTagString("Exif.Photo.DateTimeOriginal"));
             break;
         }
 
         case TimeAdjustContainer::FUZZYDIGITIZED:
         {
             dateTime = d->settings.getDateTimeFromString(meta->getExifTagString("Exif.Photo.DateTimeDigitized"));
             break;
         }
 
         default:
         {
             // dateTime stays invalid
 
             break;
         }
     };
 
     return dateTime;
 }
 
 int TimeAdjustThread::indexForUrl(const QUrl& url) const
 {
     return d->itemsMap.value(url);
 }
 
 } // namespace DigikamGenericTimeAdjustPlugin
 
 #include "moc_timeadjustthread.cpp"