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/* ============================================================
*
* This file is a part of digiKam project
* http://www.digikam.org
*
* Date : 2006-30-08
* Description : batch thumbnails generator
*
* Copyright (C) 2006-2008 by Gilles Caulier <caulier dot gilles at gmail dot com>
*
* This program is free software; you can redistribute it
* and/or modify it under the terms of the GNU General
* Public License as published by the Free Software Foundation;
* either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* ============================================================ */
// C Ansi includes.
extern "C"
{
#include <unistd.h>
}
// TQt includes.
#include <tqstring.h>
#include <tqtimer.h>
#include <tqdir.h>
#include <tqfileinfo.h>
#include <tqdatetime.h>
// KDE includes.
#include <kmdcodec.h>
#include <tdelocale.h>
#include <tdeapplication.h>
// Local includes.
#include "ddebug.h"
#include "album.h"
#include "albumdb.h"
#include "albummanager.h"
#include "albumsettings.h"
#include "thumbnailjob.h"
#include "batchthumbsgenerator.h"
#include "batchthumbsgenerator.moc"
namespace Digikam
{
class BatchThumbsGeneratorPriv
{
public:
BatchThumbsGeneratorPriv()
{
cancel = false;
thumbJob = 0;
duration.start();
}
bool cancel;
TQTime duration;
TQGuardedPtr<ThumbnailJob> thumbJob;
};
BatchThumbsGenerator::BatchThumbsGenerator(TQWidget* parent)
: DProgressDlg(parent)
{
d = new BatchThumbsGeneratorPriv;
setValue(0);
setCaption(i18n("Thumbnails processing"));
setLabel(i18n("<b>Updating thumbnails database. Please wait...</b>"));
setButtonText(i18n("&Abort"));
TQTimer::singleShot(500, this, TQ_SLOT(slotRebuildThumbs128()));
resize(600, 300);
}
BatchThumbsGenerator::~BatchThumbsGenerator()
{
if (!d->thumbJob.isNull())
{
d->thumbJob->kill();
d->thumbJob = 0;
}
delete d;
}
void BatchThumbsGenerator::slotRebuildThumbs128()
{
setTitle(i18n("Processing small thumbs"));
rebuildAllThumbs(128);
connect(this, TQ_SIGNAL(signalRebuildThumbsDone()),
this, TQ_SLOT(slotRebuildThumbs256()));
}
void BatchThumbsGenerator::slotRebuildThumbs256()
{
setTitle(i18n("Processing large thumbs"));
rebuildAllThumbs(256);
disconnect(this, TQ_SIGNAL(signalRebuildThumbsDone()),
this, TQ_SLOT(slotRebuildThumbs256()));
connect(this, TQ_SIGNAL(signalRebuildThumbsDone()),
this, TQ_SLOT(slotRebuildAllThumbComplete()));
}
void BatchThumbsGenerator::slotRebuildAllThumbComplete()
{
TQTime t;
t = t.addMSecs(d->duration.elapsed());
setLabel(i18n("<b>The thumbnails database has been updated.</b>"));
setTitle(i18n("Duration: %1").arg(t.toString()));
setButtonText(i18n("&Close"));
}
void BatchThumbsGenerator::rebuildAllThumbs(int size)
{
TQStringList allPicturesPath;
TQString thumbCacheDir = TQDir::homeDirPath() + "/.thumbnails/";
TQString filesFilter = AlbumSettings::instance()->getAllFileFilter();
bool exifRotate = AlbumSettings::instance()->getExifRotate();
AlbumDB *db = AlbumManager::instance()->albumDB();
AlbumList palbumList = AlbumManager::instance()->allPAlbums();
// Get all digiKam albums collection pictures path.
for (AlbumList::Iterator it = palbumList.begin();
!d->cancel && (it != palbumList.end()); ++it )
{
// Don't use the root album
if ((*it)->isRoot())
continue;
db->beginTransaction();
TQStringList albumItemsPath = db->getItemURLsInAlbum((*it)->id());
db->commitTransaction();
TQStringList pathSorted;
for (TQStringList::iterator it2 = albumItemsPath.begin();
!d->cancel && (it2 != albumItemsPath.end()); ++it2)
{
TQFileInfo fi(*it2);
if (filesFilter.contains(fi.extension(false)))
pathSorted.append(*it2);
}
allPicturesPath += pathSorted;
}
setTotalSteps(allPicturesPath.count()*2);
// Remove all current album item thumbs from disk cache.
for (TQStringList::iterator it = allPicturesPath.begin();
!d->cancel && (it != allPicturesPath.end()); ++it)
{
TQString uri = "file://" + TQDir::cleanDirPath(*it);
KMD5 md5(TQFile::encodeName(uri).data());
uri = md5.hexDigest();
TQString smallThumbPath = thumbCacheDir + "normal/" + uri + ".png";
TQString bigThumbPath = thumbCacheDir + "large/" + uri + ".png";
if (size <= 128)
::unlink(TQFile::encodeName(smallThumbPath));
else
::unlink(TQFile::encodeName(bigThumbPath));
}
if (!d->thumbJob.isNull())
{
d->thumbJob->kill();
d->thumbJob = 0;
}
d->thumbJob = new ThumbnailJob(KURL::List(allPicturesPath), size, true, exifRotate);
connect(d->thumbJob, TQ_SIGNAL(signalThumbnail(const KURL&, const TQPixmap&)),
this, TQ_SLOT(slotRebuildThumbDone(const KURL&, const TQPixmap&)));
connect(d->thumbJob, TQ_SIGNAL(signalFailed(const KURL&)),
this, TQ_SLOT(slotRebuildThumbDone(const KURL&)));
connect(d->thumbJob, TQ_SIGNAL(signalCompleted()),
this, TQ_SIGNAL(signalRebuildThumbsDone()));
}
void BatchThumbsGenerator::slotRebuildThumbDone(const KURL& url, const TQPixmap& pix)
{
addedAction(pix, url.path());
advance(1);
}
void BatchThumbsGenerator::slotCancel()
{
abort();
done(Cancel);
}
void BatchThumbsGenerator::closeEvent(TQCloseEvent *e)
{
abort();
e->accept();
}
void BatchThumbsGenerator::abort()
{
d->cancel = true;
if (!d->thumbJob.isNull())
{
d->thumbJob->kill();
d->thumbJob = 0;
}
emit signalRebuildAllThumbsDone();
}
} // namespace Digikam
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