void ThumbnailLoadThread::initializeThumbnailDatabase(const DbEngineParameters& params, ThumbnailInfoProvider* const provider)
{
if (static_d->firstThreadCreated)
{
qCDebug(DIGIKAM_GENERAL_LOG) << "Call initializeThumbnailDatabase at application start. "
"There are already thumbnail loading threads created, "
"and these will not be switched to use the database. ";
}
ThumbsDbAccess::setParameters(params);
if (ThumbsDbAccess::checkReadyForUse(0))
{
qCDebug(DIGIKAM_GENERAL_LOG) << "Thumbnails database ready for use";
static_d->storageMethod = ThumbnailCreator::ThumbnailDatabase;
static_d->provider = provider;
}
else
{
QMessageBox::information(qApp->activeWindow(), i18n("Failed to initialize thumbnails database"),
i18n("Error message: %1", ThumbsDbAccess().lastError()));
}
}
void ThumbsGenerator::slotStart()
{
MaintenanceTool::slotStart();
QApplication::setOverrideCursor(Qt::WaitCursor);
if (d->albumList.isEmpty())
{
d->albumList = AlbumManager::instance()->allPAlbums();
}
for (AlbumList::const_iterator it = d->albumList.constBegin();
!canceled() && (it != d->albumList.constEnd()); ++it)
{
if (!(*it))
{
continue;
}
if ((*it)->type() == Album::PHYSICAL)
{
d->allPicturesPath += CoreDbAccess().db()->getItemURLsInAlbum((*it)->id());
}
else if ((*it)->type() == Album::TAG)
{
d->allPicturesPath += CoreDbAccess().db()->getItemURLsInTag((*it)->id());
}
}
if (!d->rebuildAll)
{
QHash<QString, int> filePaths = ThumbsDbAccess().db()->getFilePathsWithThumbnail();
QStringList::iterator it = d->allPicturesPath.begin();
while (it != d->allPicturesPath.end())
{
if (filePaths.contains(*it))
{
it = d->allPicturesPath.erase(it);
}
else
{
++it;
}
}
}
// remove non-image or video files from the list
QStringList::iterator it = d->allPicturesPath.begin();
while (it != d->allPicturesPath.end())
{
ItemInfo info = ItemInfo::fromLocalFile(*it);
if (info.category() != DatabaseItem::Image &&
info.category() != DatabaseItem::Video &&
info.category() != DatabaseItem::Audio)
{
it = d->allPicturesPath.erase(it);
}
else
{
++it;
}
}
QApplication::restoreOverrideCursor();
if (d->allPicturesPath.isEmpty())
{
slotDone();
return;
}
setTotalItems(d->allPicturesPath.count());
d->thread->generateThumbs(d->allPicturesPath);
d->thread->start();
}
