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/*****************************************************************************
* Copyright (C) 2009 by Peter Penz <[email protected]> *
* Copyright (C) 2009 by Sebastian Trueg <[email protected]> *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License version 2 as published by the Free Software Foundation. *
* *
* This library 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 *
* Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public License *
* along with this library; see the file COPYING.LIB. If not, write to *
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, *
* Boston, MA 02110-1301, USA. *
*****************************************************************************/
#include "kloadmetadatathread_p.h"
#include "nfotranslator.h"
#include <kconfig.h>
#include <kconfiggroup.h>
#include <kfilemetainfo.h>
#include <kfilemetainfoitem.h>
#include <kglobal.h>
#include <klocale.h>
#include <kprotocolinfo.h>
#include <nepomuk/resource.h>
KLoadMetaDataThread::KLoadMetaDataThread() :
m_rating(0),
m_comment(),
m_tags(),
m_items(),
m_files(),
m_urls(),
m_canceled(false)
{
}
KLoadMetaDataThread::~KLoadMetaDataThread()
{
}
void KLoadMetaDataThread::load(const KUrl::List& urls)
{
m_urls = urls;
m_canceled = false;
start();
}
void KLoadMetaDataThread::cancelAndDelete()
{
connect(this, SIGNAL(finished()), this, SLOT(slotFinished()));
m_canceled = true;
// Setting m_canceled to true will cancel KLoadMetaDataThread::run()
// as soon as possible. Afterwards the thread will delete itself
// asynchronously inside slotFinished().
}
void KLoadMetaDataThread::run()
{
KConfig config("kmetainformationrc", KConfig::NoGlobals);
KConfigGroup settings = config.group("Show");
bool first = true;
foreach (const KUrl& url, m_urls) {
if (m_canceled) {
return;
}
Nepomuk::Resource file(url);
if (!file.isValid()) {
continue;
}
m_files.insert(url, file);
if (!first && (m_rating != file.rating())) {
m_rating = 0; // reset rating
} else if (first) {
m_rating = file.rating();
}
if (!first && (m_comment != file.description())) {
m_comment.clear(); // reset comment
} else if (first) {
m_comment = file.description();
}
if (!first && (m_tags != file.tags())) {
m_tags.clear(); // reset tags
} else if (first) {
m_tags = file.tags();
}
NfoTranslator& nfo = NfoTranslator::instance();
if (first && (m_urls.count() == 1)) {
// get cached meta data by checking the indexed files
QHash<QUrl, Nepomuk::Variant> variants = file.properties();
QHash<QUrl, Nepomuk::Variant>::const_iterator it = variants.constBegin();
while (it != variants.constEnd()) {
Nepomuk::Types::Property prop(it.key());
if (settings.readEntry(prop.name(), true)) {
Item item;
item.name = prop.name();
item.label = nfo.translation(prop.uri());
item.value = formatValue(it.value());
m_items.append(item);
}
++it;
}
if (variants.isEmpty()) {
// the file has not been indexed, query the meta data
// directly from the file
KFileMetaInfo metaInfo(m_urls.first());
const QHash<QString, KFileMetaInfoItem> metaInfoItems = metaInfo.items();
foreach (const KFileMetaInfoItem& metaInfoItem, metaInfoItems) {
Item item;
item.name = metaInfoItem.name();
item.label = nfo.translation(metaInfoItem.name());
item.value = metaInfoItem.value().toString();
m_items.append(item);
}
}
}
first = false;
}
}
int KLoadMetaDataThread::rating() const
{
return m_rating;
}
QString KLoadMetaDataThread::comment() const
{
return m_comment;
}
QList<Nepomuk::Tag> KLoadMetaDataThread::tags() const
{
return m_tags;
}
QList<KLoadMetaDataThread::Item> KLoadMetaDataThread::items() const
{
return m_items;
}
QMap<KUrl, Nepomuk::Resource> KLoadMetaDataThread::files() const
{
return m_files;
}
void KLoadMetaDataThread::slotFinished()
{
deleteLater();
}
QString KLoadMetaDataThread::formatValue(const Nepomuk::Variant& value)
{
if (value.isDateTime()) {
return KGlobal::locale()->formatDateTime(value.toDateTime(), KLocale::FancyLongDate);
}
if (value.isResource() || value.isResourceList()) {
QStringList links;
foreach(const Nepomuk::Resource& res, value.toResourceList()) {
if (KProtocolInfo::isKnownProtocol(res.resourceUri())) {
links << QString::fromLatin1("<a href=\"%1\">%2</a>")
.arg(KUrl(res.resourceUri()).url())
.arg(res.genericLabel());
} else {
links << res.genericLabel();
}
}
return links.join(QLatin1String(";\n"));
}
return value.toString();
}
#include "kloadmetadatathread_p.moc"
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