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// vim: set tabstop=4 shiftwidth=4 expandtab:
/*
Gwenview: an image viewer
Copyright 2008 Aurélien Gâteau <agateau@kde.org>
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
of the License, 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.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Cambridge, MA 02110-1301, USA.
*/
// Self
#include "timeutils.h"
// Qt
#include <QHash>
// KDE
#include <KDateTime>
#include <KDebug>
#include <KFileItem>
#include <KFileMetaInfo>
#include <KFileMetaInfoItem>
namespace Gwenview
{
namespace TimeUtils
{
struct CacheItem
{
KDateTime fileMTime;
KDateTime realTime;
void update(const KFileItem& fileItem)
{
KDateTime time = fileItem.time(KFileItem::ModificationTime);
if (fileMTime == time) {
return;
}
fileMTime = time;
const KFileMetaInfo info = fileItem.metaInfo();
if (info.isValid()) {
const KFileMetaInfoItem& mii = info.item("http://www.semanticdesktop.org/ontologies/2007/01/19/nie#contentCreated");
KDateTime dt(mii.value().toDateTime(), KDateTime::LocalZone);
if (dt.isValid()) {
realTime = dt;
return;
}
}
realTime = time;
}
};
typedef QHash<KUrl, CacheItem> Cache;
KDateTime dateTimeForFileItem(const KFileItem& fileItem)
{
static Cache cache;
const KUrl url = fileItem.targetUrl();
Cache::iterator it = cache.find(url);
if (it == cache.end()) {
it = cache.insert(url, CacheItem());
}
it.value().update(fileItem);
return it.value().realTime;
}
} // namespace
} // namespace
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