bool MediaQueryEvaluator::eval(const MediaQuerySet* querySet, MediaQueryResultList* viewportDependentMediaQueryResults) const
{
if (!querySet)
return true;
const WillBeHeapVector<OwnPtrWillBeMember<MediaQuery> >& queries = querySet->queryVector();
if (!queries.size())
return true; // Empty query list evaluates to true.
// Iterate over queries, stop if any of them eval to true (OR semantics).
bool result = false;
for (size_t i = 0; i < queries.size() && !result; ++i) {
MediaQuery* query = queries[i].get();
if (mediaTypeMatch(query->mediaType())) {
const ExpressionHeapVector& expressions = query->expressions();
// Iterate through expressions, stop if any of them eval to false (AND semantics).
size_t j = 0;
for (; j < expressions.size(); ++j) {
bool exprResult = eval(expressions.at(j).get());
if (viewportDependentMediaQueryResults && expressions.at(j)->isViewportDependent())
viewportDependentMediaQueryResults->append(adoptRefWillBeNoop(new MediaQueryResult(*expressions.at(j), exprResult)));
if (!exprResult)
break;
}
// Assume true if we are at the end of the list, otherwise assume false.
result = applyRestrictor(query->restrictor(), expressions.size() == j);
} else {
result = applyRestrictor(query->restrictor(), false);
}
}
return result;
}
bool MediaQueryEvaluator::eval(const MediaListImpl* mediaList, CSSStyleSelector* styleSelector) const
{
if (!mediaList)
return true;
const QList<MediaQuery*>* queries = mediaList->mediaQueries();
if (!queries->size())
return true; // empty query list evaluates to true
// iterate over queries, stop if any of them eval to true (OR semantics)
bool result = false;
for (int i = 0; i < queries->size() && !result; ++i) {
MediaQuery* query = queries->at(i);
if (mediaTypeMatch(query->mediaType())) {
const QList<MediaQueryExp*>* exps = query->expressions();
// iterate through expressions, stop if any of them eval to false
// (AND semantics)
int j = 0;
for (; j < exps->size(); ++j) {
bool exprResult = eval(exps->at(j));
if (styleSelector && exps->at(j)->isViewportDependent())
styleSelector->addViewportDependentMediaQueryResult(exps->at(j), exprResult);
if (!exprResult)
break;
}
// assume true if we are at the end of the list,
// otherwise assume false
result = applyRestrictor(query->restrictor(), exps->size() == j);
} else
result = applyRestrictor(query->restrictor(), false);
}
return result;
}
bool MediaQueryEvaluator::eval(const MediaList* mediaList) const
{
if (!mediaList)
return true;
const Vector<MediaQuery*>* queries = mediaList->mediaQueries();
if (!queries->size())
return true; // empty query list evaluates to true
// iterate over queries, stop if any of them eval to true (OR semantics)
bool result = false;
for (size_t i = 0; i < queries->size() && !result; ++i) {
MediaQuery* query = queries->at(i);
if (mediaTypeMatch(query->mediaType())) {
const Vector<MediaQueryExp*>* exps = query->expressions();
// iterate through expressions, stop if any of them eval to false
// (AND semantics)
size_t j = 0;
for (; j < exps->size() && eval(exps->at(j)); ++j) /* empty*/;
// assume true if we are at the end of the list,
// otherwise assume false
result = applyRestrictor(query->restrictor(), exps->size() == j);
} else
result = applyRestrictor(query->restrictor(), false);
}
return result;
}
void LessMediaQuery::process(Stylesheet &s) {
MediaQuery* query = s.createMediaQuery();
query->setSelector(*getSelector());
getContext()->processValue(query->getSelector());
LessStylesheet::process(*query, *parent->getContext());
}
String MediaList::item(unsigned index) const
{
if (index < m_queries.size()) {
MediaQuery* query = m_queries[index];
return query->cssText();
}
return String();
}
bool MediaQueryEvaluator::evalCheckingViewportDependentResults(const MediaQuerySet* querySet, Vector<std::unique_ptr<MediaQueryResult>>& results)
{
if (!querySet)
return true;
auto& queries = querySet->queryVector();
if (!queries.size())
return true;
bool result = false;
for (size_t i = 0; i < queries.size() && !result; ++i) {
MediaQuery* query = queries[i].get();
if (query->ignored())
continue;
if (mediaTypeMatch(query->mediaType())) {
auto& expressions = query->expressions();
size_t j = 0;
for (; j < expressions.size(); ++j) {
bool exprResult = eval(expressions.at(j).get());
if (expressions.at(j)->isViewportDependent())
results.append(std::make_unique<MediaQueryResult>(*expressions.at(j), exprResult));
if (!exprResult)
break;
}
result = applyRestrictor(query->restrictor(), expressions.size() == j);
} else
result = applyRestrictor(query->restrictor(), false);
}
return result;
}
void MediaQueryRuleset::process(Stylesheet &s, Selector* prefix, ProcessingContext &context) {
MediaQuery* query;
Ruleset* target;
Selector selector;
#ifdef WITH_LIBGLOG
VLOG(2) << "Processing Less Ruleset: " <<
getSelector().toString();
#endif
query = s.createMediaQuery();
selector = getSelector();
context.interpolate(selector);
if (query->getSelector().size() > 0) {
selector.pop_front();
query->getSelector().push_back(Token(" ", Token::WHITESPACE));
query->getSelector().push_back(Token("and", Token::IDENTIFIER));
query->getSelector().insert(query->getSelector().end(),
selector.begin(),
selector.end());
} else
query->setSelector(selector);
if (prefix != NULL) {
target = query->createRuleset();
target->setSelector(*prefix);
#ifdef WITH_LIBGLOG
VLOG(3) << "Interpolating selector " <<
target->getSelector().toString();
#endif
context.interpolate(target->getSelector());
insert(NULL, *target, context);
} else
insert(NULL, *query, context);
}
bool MediaQueryEvaluator::eval(const MediaQuerySet* querySet, StyleResolver* styleResolver) const
{
if (!querySet)
return true;
auto& queries = querySet->queryVector();
if (!queries.size())
return true; // empty query list evaluates to true
// iterate over queries, stop if any of them eval to true (OR semantics)
bool result = false;
for (size_t i = 0; i < queries.size() && !result; ++i) {
MediaQuery* query = queries[i].get();
if (query->ignored() || (!query->expressions().size() && query->mediaType().isEmpty()))
continue;
if (mediaTypeMatch(query->mediaType())) {
auto& expressions = query->expressions();
// iterate through expressions, stop if any of them eval to false
// (AND semantics)
size_t j = 0;
for (; j < expressions.size(); ++j) {
bool exprResult = eval(expressions.at(j).get());
if (styleResolver && expressions.at(j)->isViewportDependent())
styleResolver->addViewportDependentMediaQueryResult(expressions.at(j).get(), exprResult);
if (!exprResult)
break;
}
// assume true if we are at the end of the list,
// otherwise assume false
result = applyRestrictor(query->restrictor(), expressions.size() == j);
} else
result = applyRestrictor(query->restrictor(), false);
}
return result;
}
// http://dev.w3.org/csswg/cssom/#compare-media-queries
bool MediaQuery::operator==(const MediaQuery& other) const
{
return cssText() == other.cssText();
}
void OntologyUpdater::start()
{
QApplication::processEvents();
Soprano::Model *m_mainModel;
bool m_nepomukInited = Utilities::nepomukInited();
if (m_nepomukInited) {
m_mainModel = Nepomuk2::ResourceManager::instance()->mainModel();
} else {
return;
}
m_stopUpdate = false;
MediaVocabulary mediaVocabulary;
//Update audio
QString queryPrefix = QString("PREFIX xesam: <%1> "
"PREFIX rdf: <%2> "
"PREFIX xls: <%3> "
"PREFIX nmm: <http://www.semanticdesktop.org/ontologies/nmm#> "
"PREFIX nie: <http://www.semanticdesktop.org/ontologies/2007/01/19/nie#> "
"PREFIX nfo: <http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#> ")
.arg(Soprano::Vocabulary::Xesam::xesamNamespace().toString())
.arg(Soprano::Vocabulary::RDF::rdfNamespace().toString())
.arg(Soprano::Vocabulary::XMLSchema::xsdNamespace().toString());
QString queryStr = queryPrefix + QString("SELECT ?r "
"WHERE { {?r rdf:type <http://www.semanticdesktop.org/ontologies/nfo#Audio>} "
"UNION "
"{?r rdf:type <http://www.semanticdesktop.org/ontologies/nmm#MusicPiece>} "
"UNION "
"{?r rdf:type <http://www.semanticdesktop.org/ontologies/nmm#DigitalRadio>} "
"UNION "
"{?r rdf:type <http://www.semanticdesktop.org/ontologies/nmm#MusicAlbum>} "
"UNION "
"{?r rdf:type <%1>} "
"UNION "
"{?r rdf:type <%2>} "
"UNION "
"{?r rdf:type <%3>} }")
.arg(mediaVocabulary.typeAudio().toString())
.arg(mediaVocabulary.typeAudioMusic().toString())
.arg(mediaVocabulary.typeMediaStream().toString());
Soprano::QueryResultIterator it = m_mainModel->executeQuery(queryStr, Soprano::Query::QueryLanguageSparql);
emit infoMessage(i18n("<b>Updating audio types and properties</b><br>0 items updated..."));
QApplication::processEvents();
int i = 0;
while( it.next() && !m_stopUpdate) {
QApplication::processEvents();
i++;
Nepomuk2::Resource resource = Nepomuk2::Resource(it.binding("r").uri());
//Update types
QUrl type = QUrl("http://www.semanticdesktop.org/ontologies/nfo#Audio");
if (resource.hasType(type)) {
removeType(resource, type);
if (!resource.hasType(mediaVocabulary.typeAudio())) {
resource.addType(mediaVocabulary.typeAudio());
}
}
type = QUrl("http://www.semanticdesktop.org/ontologies/nmm#MusicPiece");
if (resource.hasType(type)) {
removeType(resource, type);
if (!resource.hasType(mediaVocabulary.typeAudioMusic())) {
resource.addType(mediaVocabulary.typeAudioMusic());
}
//Update properties
QUrl property = QUrl("http://www.semanticdesktop.org/ontologies/nmm#musicAlbum");
if (resource.hasProperty(property)) {
Nepomuk2::Variant value = resource.property(property);
resource.removeProperty(property);
resource.setProperty(mediaVocabulary.musicAlbum(), value);
}
property = QUrl("http://www.semanticdesktop.org/ontologies/nmm#trackNumber");
if (resource.hasProperty(property)) {
Nepomuk2::Variant value = resource.property(property);
resource.removeProperty(property);
resource.setProperty(mediaVocabulary.musicTrackNumber(), value);
}
}
type = QUrl("http://www.semanticdesktop.org/ontologies/nmm#DigitalRadio");
if (resource.hasType(type)) {
removeType(resource, type);
if (!resource.hasType(mediaVocabulary.typeMediaStream())) {
resource.addType(mediaVocabulary.typeMediaStream());
}
}
type = QUrl("http://www.semanticdesktop.org/ontologies/nmm#MusicAlbum");
if (resource.hasType(type)) {
removeType(resource, type);
if (!resource.hasType(mediaVocabulary.typeMusicAlbum())) {
resource.addType(mediaVocabulary.typeMusicAlbum());
}
}
//Update common properties
QUrl property = QUrl("http://www.semanticdesktop.org/ontologies/nfo#duration");
if (resource.hasProperty(property)) {
Nepomuk2::Variant value = resource.property(property);
resource.removeProperty(property);
resource.setProperty(mediaVocabulary.duration(), value);
}
property = Nepomuk2::Vocabulary::NMM::artwork();
if (resource.hasProperty(property)) {
Nepomuk2::Variant value = resource.property(property);
resource.removeProperty(property);
resource.setProperty(mediaVocabulary.artwork(), value);
}
property = Nepomuk2::Vocabulary::NIE::hasLogicalPart();
if (resource.hasProperty(property)) {
Nepomuk2::Variant value = resource.property(property);
if (value.toResource().hasType(Nepomuk2::Vocabulary::NFO::Image())) {
resource.removeProperty(property);
resource.setProperty(mediaVocabulary.artwork(), value);
}
}
property = QUrl("http://www.semanticdesktop.org/ontologies/nmm#genre");
if (resource.hasProperty(property)) {
Nepomuk2::Variant value = resource.property(property);
resource.removeProperty(property);
resource.setProperty(mediaVocabulary.genre(), value);
}
property = QUrl("http://www.semanticdesktop.org/ontologies/nmm#releaseDate");
if (resource.hasProperty(property)) {
Nepomuk2::Variant value = resource.property(property);
resource.removeProperty(property);
resource.setProperty(mediaVocabulary.releaseDate(), value);
}
property = Soprano::Vocabulary::Xesam::useCount();
if (resource.hasProperty(property)) {
Nepomuk2::Variant value = resource.property(property);
resource.removeProperty(property);
resource.setProperty(mediaVocabulary.playCount(), value);
}
property = Soprano::Vocabulary::Xesam::lastUsed();
if (resource.hasProperty(property)) {
Nepomuk2::Variant value = resource.property(property);
resource.removeProperty(property);
resource.setProperty(mediaVocabulary.lastPlayed(), value);
}
emit infoMessage(i18n("<b>Updating audio types and properties</b><br>%1 audio items done...", i));
QApplication::processEvents();
}
//Update video
queryStr = queryPrefix + QString("SELECT ?r "
"WHERE { {?r rdf:type <http://www.semanticdesktop.org/ontologies/nfo#Video>} "
"UNION "
"{?r rdf:type <http://www.semanticdesktop.org/ontologies/nmm#Movie>} "
"UNION "
"{?r rdf:type <http://www.semanticdesktop.org/ontologies/nmm#TVShow>} "
"UNION "
"{?r rdf:type <http://www.semanticdesktop.org/ontologies/2009/02/19/nmm#TVSeries>} "
"UNION "
"{?r rdf:type <%1>} "
"UNION "
"{?r rdf:type <%2>} "
"UNION "
"{?r rdf:type <%3>} }")
.arg(mediaVocabulary.typeVideo().toString())
.arg(mediaVocabulary.typeVideoMovie().toString())
.arg(mediaVocabulary.typeVideoTVShow().toString());
it = m_mainModel->executeQuery(queryStr, Soprano::Query::QueryLanguageSparql);
emit infoMessage(i18n("<b>Updating audio types and properties</b><br>0 items updated..."));
QApplication::processEvents();
i = 0;
while( it.next() && !m_stopUpdate) {
QApplication::processEvents();
i++;
Nepomuk2::Resource resource = Nepomuk2::Resource(it.binding("r").uri());
//Update types
QUrl type = QUrl("http://www.semanticdesktop.org/ontologies/nfo#Video");
if (resource.hasType(type)) {
removeType(resource, type);
if (!resource.hasType(mediaVocabulary.typeVideo())) {
resource.addType(mediaVocabulary.typeVideo());
}
}
type = QUrl("http://www.semanticdesktop.org/ontologies/nmm#Movie");
if (resource.hasType(type)) {
removeType(resource, type);
if (!resource.hasType(mediaVocabulary.typeVideoMovie())) {
resource.addType(mediaVocabulary.typeVideoMovie());
}
//Update properties
QUrl property = QUrl("http://www.semanticdesktop.org/ontologies/nmm#synopsis");
if (resource.hasProperty(property)) {
Nepomuk2::Variant value = resource.property(property);
resource.removeProperty(property);
resource.setProperty(mediaVocabulary.videoSynopsis(), value);
}
property = QUrl("http://www.semanticdesktop.org/ontologies/nmm#writer");
if (resource.hasProperty(property)) {
Nepomuk2::Variant value = resource.property(property);
resource.removeProperty(property);
resource.setProperty(mediaVocabulary.videoWriter(), value);
}
property = QUrl("http://www.semanticdesktop.org/ontologies/nmm#actor");
if (resource.hasProperty(property)) {
Nepomuk2::Variant value = resource.property(property);
resource.removeProperty(property);
resource.setProperty(mediaVocabulary.videoActor(), value);
}
property = QUrl("http://www.semanticdesktop.org/ontologies/nmm#director");
if (resource.hasProperty(property)) {
Nepomuk2::Variant value = resource.property(property);
resource.removeProperty(property);
resource.setProperty(mediaVocabulary.videoDirector(), value);
}
property = QUrl("http://www.semanticdesktop.org/ontologies/nmm#producer");
if (resource.hasProperty(property)) {
Nepomuk2::Variant value = resource.property(property);
resource.removeProperty(property);
resource.setProperty(mediaVocabulary.videoProducer(), value);
}
}
type = QUrl("http://www.semanticdesktop.org/ontologies/nmm#TVShow");
if (resource.hasType(type)) {
removeType(resource, type);
if (!resource.hasType(mediaVocabulary.typeVideoTVShow())) {
resource.addType(mediaVocabulary.typeVideoTVShow());
}
//Update properties
QUrl property = QUrl("http://www.semanticdesktop.org/ontologies/nmm#series");
if (resource.hasProperty(property)) {
Nepomuk2::Variant value = resource.property(property);
resource.removeProperty(property);
resource.setProperty(mediaVocabulary.videoSeries(), value);
}
property = QUrl("http://www.semanticdesktop.org/ontologies/nmm#synopsis");
if (resource.hasProperty(property)) {
Nepomuk2::Variant value = resource.property(property);
resource.removeProperty(property);
resource.setProperty(mediaVocabulary.videoSynopsis(), value);
}
property = QUrl("http://www.semanticdesktop.org/ontologies/nmm#season");
if (resource.hasProperty(property)) {
Nepomuk2::Variant value = resource.property(property);
resource.removeProperty(property);
resource.setProperty(mediaVocabulary.videoSeason(), value);
}
property = QUrl("http://www.semanticdesktop.org/ontologies/nmm#episodeNumber");
if (resource.hasProperty(property)) {
Nepomuk2::Variant value = resource.property(property);
resource.removeProperty(property);
resource.setProperty(mediaVocabulary.videoEpisodeNumber(), value);
}
property = QUrl("http://www.semanticdesktop.org/ontologies/nmm#writer");
if (resource.hasProperty(property)) {
Nepomuk2::Variant value = resource.property(property);
resource.removeProperty(property);
resource.setProperty(mediaVocabulary.videoWriter(), value);
}
property = QUrl("http://www.semanticdesktop.org/ontologies/nmm#actor");
if (resource.hasProperty(property)) {
Nepomuk2::Variant value = resource.property(property);
resource.removeProperty(property);
resource.setProperty(mediaVocabulary.videoActor(), value);
}
property = QUrl("http://www.semanticdesktop.org/ontologies/nmm#director");
if (resource.hasProperty(property)) {
Nepomuk2::Variant value = resource.property(property);
resource.removeProperty(property);
resource.setProperty(mediaVocabulary.videoDirector(), value);
}
property = QUrl("http://www.semanticdesktop.org/ontologies/nmm#producer");
if (resource.hasProperty(property)) {
Nepomuk2::Variant value = resource.property(property);
resource.removeProperty(property);
resource.setProperty(mediaVocabulary.videoProducer(), value);
}
}
type = QUrl("http://www.semanticdesktop.org/ontologies/2009/02/19/nmm#TVSeries");
if (resource.hasType(type)) {
removeType(resource, type);
if (!resource.hasType(mediaVocabulary.typeTVSeries())) {
resource.addType(mediaVocabulary.typeTVSeries());
}
}
//Update common properties
QUrl property = QUrl("http://www.semanticdesktop.org/ontologies/nfo#duration");
if (resource.hasProperty(property)) {
Nepomuk2::Variant value = resource.property(property);
resource.removeProperty(property);
resource.setProperty(mediaVocabulary.duration(), value);
}
property = Nepomuk2::Vocabulary::NMM::artwork();
if (resource.hasProperty(property)) {
Nepomuk2::Variant value = resource.property(property);
resource.removeProperty(property);
resource.setProperty(mediaVocabulary.artwork(), value);
}
property = Nepomuk2::Vocabulary::NIE::hasLogicalPart();
if (resource.hasProperty(property)) {
Nepomuk2::Variant value = resource.property(property);
if (value.toResource().hasType(Nepomuk2::Vocabulary::NFO::Image())) {
resource.removeProperty(property);
resource.setProperty(mediaVocabulary.artwork(), value);
}
}
property = QUrl("http://www.semanticdesktop.org/ontologies/nmm#genre");
if (resource.hasProperty(property)) {
Nepomuk2::Variant value = resource.property(property);
resource.removeProperty(property);
resource.setProperty(mediaVocabulary.genre(), value);
}
property = QUrl("http://www.semanticdesktop.org/ontologies/nmm#releaseDate");
if (resource.hasProperty(property)) {
Nepomuk2::Variant value = resource.property(property);
resource.removeProperty(property);
resource.setProperty(mediaVocabulary.releaseDate(), value);
}
property = Soprano::Vocabulary::Xesam::useCount();
if (resource.hasProperty(property)) {
Nepomuk2::Variant value = resource.property(property);
resource.removeProperty(property);
resource.setProperty(mediaVocabulary.playCount(), value);
}
property = Soprano::Vocabulary::Xesam::lastUsed();
if (resource.hasProperty(property)) {
Nepomuk2::Variant value = resource.property(property);
resource.removeProperty(property);
resource.setProperty(mediaVocabulary.lastPlayed(), value);
}
emit infoMessage(i18n("<b>Updating video types and properties</b><br>%1 video items done...", i));
QApplication::processEvents();
}
//Fix screwed up properties
MediaQuery query;
QStringList bindings;
bindings.append(mediaVocabulary.mediaResourceBinding());
bindings.append(mediaVocabulary.ratingBinding());
query.select(bindings, MediaQuery::Distinct);
query.startWhere();
query.addCondition(mediaVocabulary.hasTypeAnyAudio(MediaQuery::Required));
query.addCondition(mediaVocabulary.hasRating(MediaQuery::Required, 10, MediaQuery::GreaterThan));
query.endWhere();
it = m_mainModel->executeQuery(query.query(), Soprano::Query::QueryLanguageSparql);
emit infoMessage(i18n("<b>Updating audio types and properties</b><br>0 items updated..."));
QApplication::processEvents();
i = 0;
while( it.next() && !m_stopUpdate) {
QApplication::processEvents();
i++;
Nepomuk2::Resource resource = Nepomuk2::Resource(it.binding("r").uri());
QUrl property = QUrl("http://www.semanticdesktop.org/ontologies/2007/08/15/nao#numericRating");
if (resource.hasProperty(property)) {
int rating = resource.property(property).toInt();
if (rating > 10) {
resource.removeProperty(property);
}
}
emit infoMessage(i18n("<b>Cleaning up erroneous audio properties</b><br>%1 audio items done...", i));
QApplication::processEvents();
}
MediaQuery query1;
bindings.clear();
bindings.append(mediaVocabulary.mediaResourceBinding());
bindings.append(mediaVocabulary.ratingBinding());
query1.select(bindings, MediaQuery::Distinct);
query1.startWhere();
query1.addCondition(mediaVocabulary.hasTypeAnyVideo(MediaQuery::Required));
query1.addCondition(mediaVocabulary.hasRating(MediaQuery::Required, 10, MediaQuery::GreaterThan));
query1.endWhere();
it = m_mainModel->executeQuery(query.query(), Soprano::Query::QueryLanguageSparql);
emit infoMessage(i18n("<b>Updating audio types and properties</b><br>0 items updated..."));
QApplication::processEvents();
i = 0;
while( it.next() && !m_stopUpdate) {
QApplication::processEvents();
i++;
Nepomuk2::Resource resource = Nepomuk2::Resource(it.binding("r").uri());
QUrl property = QUrl("http://www.semanticdesktop.org/ontologies/2007/08/15/nao#numericRating");
if (resource.hasProperty(property)) {
int rating = resource.property(property).toInt();
if (rating > 10) {
resource.removeProperty(property);
}
}
emit infoMessage(i18n("<b>Cleaning up erroneous video properties</b><br>%1 video items done...", i));
QApplication::processEvents();
}
if (!m_stopUpdate) {
emit infoMessage(i18n("<b>Update complete.</b>"));
} else {
emit infoMessage(i18n("<b>Update stopped.</b>"));
}
emit done();
}
void AudioStreamListEngine::run()
{
QThread::setTerminationEnabled(true);
m_stop = false;
if (m_updateSourceInfo || m_removeSourceInfo) {
NepomukListEngine::run();
return;
}
//Create media list based on engine argument and filter
QList<MediaItem> mediaList;
MediaVocabulary mediaVocabulary = MediaVocabulary();
QString engineArg = m_mediaListProperties.engineArg();
QString engineFilter = m_mediaListProperties.engineFilter();
if (m_nepomukInited) {
if (engineArg.isEmpty()) {
MediaQuery query;
QStringList bindings;
bindings.append(mediaVocabulary.mediaResourceBinding());
bindings.append(mediaVocabulary.mediaResourceUrlBinding());
bindings.append(mediaVocabulary.titleBinding());
bindings.append(mediaVocabulary.ratingBinding());
bindings.append(mediaVocabulary.descriptionBinding());
bindings.append(mediaVocabulary.artworkBinding());
//bindings.append(mediaVocabulary.genreBinding());
query.select(bindings, MediaQuery::Distinct);
query.startWhere();
query.addCondition(mediaVocabulary.hasTypeAudioStream(MediaQuery::Required));
query.addCondition(mediaVocabulary.hasTitle(MediaQuery::Required));
query.addCondition(mediaVocabulary.hasRating(MediaQuery::Optional));
query.addCondition(mediaVocabulary.hasDescription(MediaQuery::Optional));
query.addCondition(mediaVocabulary.hasArtwork(MediaQuery::Optional));
query.endWhere();
QStringList orderByBindings;
orderByBindings.append(mediaVocabulary.titleBinding());
query.orderBy(orderByBindings);
Soprano::QueryResultIterator it = query.executeSelect(m_mainModel);
//Build media list from results
while( it.next() ) {
if (m_stop) {
return;
}
MediaItem mediaItem = Utilities::mediaItemFromIterator(it, QString("Audio Stream"), m_mediaListProperties.lri);
if (!mediaItem.url.startsWith(QLatin1String("nepomuk:/"))) {
mediaList.append(mediaItem);
}
}
m_mediaListProperties.summary = i18np("1 stream", "%1 streams", mediaList.count());
MediaItem mediaItem;
mediaItem.type = "Audio";
mediaItem.url.clear();
mediaItem.title = i18n("New Audio Stream");
mediaItem.subTitle = i18n("Edit info to create new audio stream");
mediaItem.artwork = KIcon("text-html");
mediaItem.fields["title"] = i18n("Untitled");
mediaItem.fields["audioType"] = "Audio Stream";
mediaItem.fields["isTemplate"] = true;
mediaList.append(mediaItem);
m_mediaListProperties.type = QString("Sources");
} else if (engineArg.toLower() == "search") {
MediaQuery query;
QStringList bindings;
bindings.append(mediaVocabulary.mediaResourceBinding());
bindings.append(mediaVocabulary.mediaResourceUrlBinding());
bindings.append(mediaVocabulary.titleBinding());
bindings.append(mediaVocabulary.ratingBinding());
bindings.append(mediaVocabulary.descriptionBinding());
bindings.append(mediaVocabulary.artworkBinding());
//bindings.append(mediaVocabulary.genreBinding());
query.select(bindings, MediaQuery::Distinct);
query.startWhere();
query.addCondition(mediaVocabulary.hasTypeAudioStream(MediaQuery::Required));
query.addCondition(mediaVocabulary.hasTitle(MediaQuery::Required));
query.addCondition(mediaVocabulary.hasRating(MediaQuery::Optional));
query.addCondition(mediaVocabulary.hasDescription(MediaQuery::Optional));
query.addCondition(mediaVocabulary.hasArtwork(MediaQuery::Optional));
query.startFilter();
query.addFilterConstraint(mediaVocabulary.titleBinding(), engineFilter, MediaQuery::Contains);
query.addFilterOr();
query.addFilterConstraint(mediaVocabulary.descriptionBinding(), engineFilter, MediaQuery::Contains);
query.endFilter();
query.endWhere();
QStringList orderByBindings;
orderByBindings.append(mediaVocabulary.titleBinding());
query.orderBy(orderByBindings);
Soprano::QueryResultIterator it = query.executeSelect(m_mainModel);
//Build media list from results
while( it.next() ) {
MediaItem mediaItem = Utilities::mediaItemFromIterator(it, QString("Audio Stream"), m_mediaListProperties.lri);
if (!mediaItem.url.startsWith(QLatin1String("nepomuk:/"))) {
mediaList.append(mediaItem);
}
}
m_mediaListProperties.summary = i18np("1 stream", "%1 streams", mediaList.count());
m_mediaListProperties.type = QString("Sources");
}
}
emit results(m_requestSignature, mediaList, m_mediaListProperties, true, m_subRequestSignature);
m_requestSignature.clear();
m_subRequestSignature.clear();
}
void SemanticsListEngine::run()
{
QThread::setTerminationEnabled(true);
m_stop = false;
if (m_updateSourceInfo || m_removeSourceInfo) {
NepomukListEngine::run();
return;
}
//Create media list based on engine argument and filter
QList<MediaItem> mediaList;
MediaVocabulary mediaVocabulary = MediaVocabulary();
QString engineArg = m_mediaListProperties.engineArg();
QString engineFilter = m_mediaListProperties.engineFilter();
QStringList engineFilterList = m_mediaListProperties.engineFilterList();
//Parse filter
QString mediaType;
QString groupByCategoryType;
QString groupByField;
QString limitFilter;
int originalGenreLimit = 0;
if (engineFilterList.count() != 0) {
mediaType = engineFilterList.at(0);
if (engineFilterList.filter("groupBy=").count() != 0) {
QString groupByFilter = engineFilterList.filter("groupBy=").at(0);
groupByField = groupByFilter.remove("groupBy=").trimmed();
if (groupByField == "artist") {
groupByCategoryType = "Artist";
} else if (groupByField == "album") {
groupByCategoryType = "Album";
} else if (groupByField == "genre") {
if (mediaType == "audio") {
groupByCategoryType = "AudioGenre";
} else if (mediaType == "video") {
groupByCategoryType = "VideoGenre";
}
} else if (groupByField == "seriesName") {
groupByCategoryType = "TV Series";
} else if (groupByField == "actor") {
groupByCategoryType = "Actor";
} else if (groupByField == "director") {
groupByCategoryType = "Director";
} else if (groupByField == "tag") {
if (mediaType == "audio") {
groupByCategoryType = "AudioTag";
} else if (mediaType == "video") {
groupByCategoryType = "VideoTag";
}
}
}
if (engineFilterList.filter("limit=").count() !=0) {
limitFilter = engineFilterList.filter("limit=").at(0);
if (groupByField == "genre") {
originalGenreLimit = m_mediaListProperties.filterValue(limitFilter).trimmed().toInt();
int originalFilterIndex = engineFilterList.indexOf(limitFilter);
limitFilter = QString("%1%2%3").arg(m_mediaListProperties.filterField(limitFilter))
.arg(m_mediaListProperties.filterOperator(limitFilter))
.arg(m_mediaListProperties.filterValue(limitFilter).trimmed().toInt()*3);
engineFilterList.replace(originalFilterIndex, limitFilter);
}
}
}
if (m_nepomukInited) {
if (engineArg.toLower() == "frequent") {
mediaList.clear();
if (mediaType == "audio" || mediaType == "video") {
MediaQuery query;
bool ignoreZeros = false;
if (groupByCategoryType.isEmpty()) {
QStringList bindings;
bindings.append(mediaVocabulary.mediaResourceBinding());
bindings.append(mediaVocabulary.mediaResourceUrlBinding());
bindings.append(mediaVocabulary.playCountBinding());
query.select(bindings, MediaQuery::Distinct);
query.startWhere();
if (mediaType == "audio") {
query.addCondition(mediaVocabulary.hasTypeAnyAudio(MediaQuery::Required));
} else if (mediaType == "video") {
query.addCondition(mediaVocabulary.hasTypeAnyVideo(MediaQuery::Required));
}
query.addLRIFilterConditions(engineFilterList, mediaVocabulary);
if (m_mediaListProperties.filterForField("playCount").isEmpty()) {
query.addCondition(mediaVocabulary.hasPlayCount(MediaQuery::Required, 0, MediaQuery::GreaterThan));
ignoreZeros = true;
}
query.addCondition(mediaVocabulary.hasLastPlayed(MediaQuery::Optional));
query.endWhere();
QStringList orderByBindings;
QList<MediaQuery::Order> order;
orderByBindings.append(mediaVocabulary.playCountBinding());
order.append(MediaQuery::Descending);
orderByBindings.append(mediaVocabulary.lastPlayedBinding());
order.append(MediaQuery::Descending);
query.orderBy(orderByBindings, order);
} else {
QStringList bindings;
//NOTE:query.addLRIFilterConditions will automatically add
//the groupBy field name to the binding list.
QString groupByResourceBinding = MediaVocabulary::resourceBindingForCategory(groupByCategoryType);
if (!groupByResourceBinding.isEmpty()) {
bindings.append(groupByResourceBinding);
}
bindings.append(query.fieldBindingDictionary[groupByField]);
bindings.append(MediaQuery::aggregateBinding(mediaVocabulary.playCountBinding(), MediaQuery::Sum));
query.select(bindings, MediaQuery::Distinct);
query.startWhere();
MediaQuery subQuery;
QStringList subBindings;
subBindings.append(mediaVocabulary.playCountBinding());
subBindings.append(mediaVocabulary.mediaResourceBinding());
subQuery.select(subBindings, MediaQuery::Distinct);
subQuery.startWhere();
if (mediaType == "audio") {
subQuery.addCondition(mediaVocabulary.hasTypeAnyAudio(MediaQuery::Required));
} else if (mediaType == "video") {
subQuery.addCondition(mediaVocabulary.hasTypeAnyVideo(MediaQuery::Required));
}
if (m_mediaListProperties.filterForField("playCount").isEmpty()) {
subQuery.addCondition(mediaVocabulary.hasPlayCount(MediaQuery::Required, 0, MediaQuery::GreaterThan));
ignoreZeros = true;
}
QStringList subQueryLRIFilterList = engineFilterList;
subQueryLRIFilterList.removeAll(limitFilter);
subQuery.addLRIFilterConditions(subQueryLRIFilterList, mediaVocabulary);
subQuery.endWhere();
query.addSubQuery(subQuery);
query.endWhere();
query.addLRIFilterCondition(limitFilter, mediaVocabulary);
QStringList orderByBindings;
QList<MediaQuery::Order> order;
orderByBindings.append(QString("%1_sum").arg(mediaVocabulary.playCountBinding()));
order.append(MediaQuery::Descending);
query.orderBy(orderByBindings, order);
}
Soprano::QueryResultIterator it = query.executeSelect(m_mainModel);
//Build media list from results
while( it.next() ) {
if (m_stop) {
return;
}
MediaItem mediaItem;
if (groupByCategoryType.isEmpty()) {
Nepomuk::Resource res = Nepomuk::Resource(it.binding(mediaVocabulary.mediaResourceBinding()).uri());
mediaItem = Utilities::mediaItemFromNepomuk(res, m_mediaListProperties.lri);
mediaItem.semanticComment = i18np("played once", "played %1 times", mediaItem.fields["playCount"].toInt());
} else {
mediaItem = Utilities::categoryMediaItemFromIterator(it, groupByCategoryType, m_mediaListProperties.lri);
int playCount = it.binding(QString("%1_sum").arg(mediaVocabulary.playCountBinding())).literal().toInt();
mediaItem.semanticComment = i18np("played once", "played %1 times", playCount);
mediaItem.fields["playCount"] = playCount;
}
if (!mediaItem.url.startsWith("nepomuk:/")) {
if ((ignoreZeros && mediaItem.fields["playCount"].toInt() > 0) ||
!ignoreZeros) {
if (groupByCategoryType == "AudioGenre") {
addUniqueGenreGroup("playCount", mediaItem, &mediaList, originalGenreLimit);
} else {
mediaList.append(mediaItem);
}
}
}
}
m_mediaListProperties.name = i18n("Frequently Played");
m_mediaListProperties.type = QString("Sources");
}
}
if (engineArg.toLower() == "recent") {
mediaList.clear();
if (!mediaType.isEmpty()) {
MediaQuery query;
QStringList bindings;
if (groupByCategoryType.isEmpty()) {
bindings.append(mediaVocabulary.mediaResourceBinding());
bindings.append(mediaVocabulary.mediaResourceUrlBinding());
bindings.append(mediaVocabulary.lastPlayedBinding());
} else {
//NOTE:query.addLRIFilterConditions will automatically add
//the groupBy field name to the binding list.
QString groupByResourceBinding = MediaVocabulary::resourceBindingForCategory(groupByCategoryType);
if (!groupByResourceBinding.isEmpty()) {
bindings.append(groupByResourceBinding);
}
bindings.append(MediaQuery::aggregateBinding(mediaVocabulary.lastPlayedBinding(), MediaQuery::Max));
}
query.select(bindings, MediaQuery::Distinct);
query.startWhere();
if (mediaType == "audio") {
query.addCondition(mediaVocabulary.hasTypeAnyAudio(MediaQuery::Required));
} else if (mediaType == "video") {
query.addCondition(mediaVocabulary.hasTypeAnyVideo(MediaQuery::Required));
}
query.addLRIFilterConditions(engineFilterList, mediaVocabulary);
query.addCondition(mediaVocabulary.hasLastPlayed(MediaQuery::Required));
query.endWhere();
QStringList orderByBindings;
QList<MediaQuery::Order> order;
if (groupByCategoryType.isEmpty()) {
orderByBindings.append(mediaVocabulary.lastPlayedBinding());
} else {
orderByBindings.append(QString("%1_max").arg(mediaVocabulary.lastPlayedBinding()));
}
order.append(MediaQuery::Descending);
query.orderBy(orderByBindings, order);
Soprano::QueryResultIterator it = query.executeSelect(m_mainModel);
//Build media list from results
while( it.next() ) {
if (m_stop) {
return;
}
MediaItem mediaItem;
if (groupByCategoryType.isEmpty()) {
Nepomuk::Resource res = Nepomuk::Resource(it.binding(mediaVocabulary.mediaResourceBinding()).uri());
mediaItem = Utilities::mediaItemFromNepomuk(res, m_mediaListProperties.lri);
mediaItem.fields["lastPlayed"] = it.binding(mediaVocabulary.lastPlayedBinding()).literal().toDateTime();
} else {
mediaItem = Utilities::categoryMediaItemFromIterator(it, groupByCategoryType, m_mediaListProperties.lri);
mediaItem.fields["lastPlayed"] = it.binding(QString("%1_max").arg(mediaVocabulary.lastPlayedBinding())).literal().toDateTime();
}
mediaItem.semanticComment = Utilities::wordsForTimeSince(mediaItem.fields["lastPlayed"].toDateTime());
if (!mediaItem.url.startsWith("nepomuk:/")) {
if (groupByCategoryType == "AudioGenre") {
addUniqueGenreGroup("lastPlayed", mediaItem, &mediaList, originalGenreLimit);
} else {
mediaList.append(mediaItem);
}
}
}
m_mediaListProperties.name = i18n("Recently Played");
m_mediaListProperties.type = QString("Sources");
}
}
if (engineArg.toLower() == "highest") {
mediaList.clear();
if (!mediaType.isEmpty()) {
bool ignoreZeros = false;
MediaQuery query;
QStringList bindings;
if (groupByCategoryType.isEmpty()) {
bindings.append(mediaVocabulary.mediaResourceBinding());
bindings.append(mediaVocabulary.mediaResourceUrlBinding());
bindings.append(mediaVocabulary.ratingBinding());
} else {
//NOTE:query.addLRIFilterConditions will automatically add
//the groupBy field name to the binding list.
QString groupByResourceBinding = MediaVocabulary::resourceBindingForCategory(groupByCategoryType);
if (!groupByResourceBinding.isEmpty()) {
bindings.append(groupByResourceBinding);
}
bindings.append(MediaQuery::aggregateBinding(mediaVocabulary.ratingBinding(), MediaQuery::Sum));
bindings.append(MediaQuery::aggregateBinding(mediaVocabulary.ratingBinding(), MediaQuery::Count));
}
query.select(bindings, MediaQuery::Distinct);
query.startWhere();
if (mediaType == "audio") {
query.addCondition(mediaVocabulary.hasTypeAnyAudio(MediaQuery::Required));
} else if (mediaType == "video") {
query.addCondition(mediaVocabulary.hasTypeAnyVideo(MediaQuery::Required));
}
query.addLRIFilterConditions(engineFilterList, mediaVocabulary);
if (m_mediaListProperties.filterForField("rating").isEmpty()) {
query.addCondition(mediaVocabulary.hasRating(MediaQuery::Required, 0, MediaQuery::GreaterThan));
ignoreZeros = true;
}
query.addCondition(mediaVocabulary.hasPlayCount(MediaQuery::Optional));
query.endWhere();
QStringList orderByBindings;
QList<MediaQuery::Order> order;
if (groupByCategoryType.isEmpty()) {
orderByBindings.append(mediaVocabulary.ratingBinding());
order.append(MediaQuery::Descending);
orderByBindings.append(mediaVocabulary.playCountBinding());
order.append(MediaQuery::Descending);
} else {
orderByBindings.append(QString("%1_sum").arg(mediaVocabulary.ratingBinding()));
order.append(MediaQuery::Descending);
order.append(MediaQuery::Descending);
}
query.orderBy(orderByBindings, order);
Soprano::QueryResultIterator it = query.executeSelect(m_mainModel);
//Build media list from results
while( it.next() ) {
if (m_stop) {
return;
}
MediaItem mediaItem;
if (groupByCategoryType.isEmpty()) {
Nepomuk::Resource res = Nepomuk::Resource(it.binding(mediaVocabulary.mediaResourceBinding()).uri());
mediaItem = Utilities::mediaItemFromNepomuk(res, m_mediaListProperties.lri);
} else {
mediaItem = Utilities::categoryMediaItemFromIterator(it, groupByCategoryType, m_mediaListProperties.lri);
int sum = it.binding(QString("%1_sum").arg(mediaVocabulary.ratingBinding())).literal().toInt();
int count = it.binding(QString("%1_count").arg(mediaVocabulary.ratingBinding())).literal().toInt();
int rating = sum/count;
mediaItem.fields["rating"] = rating;
}
if (!mediaItem.url.startsWith("nepomuk:/")) {
if ((ignoreZeros && mediaItem.fields["rating"].toInt() > 0) ||
!ignoreZeros) {
if (groupByCategoryType == "AudioGenre") {
addUniqueGenreGroup("rating", mediaItem, &mediaList, originalGenreLimit);
} else {
mediaList.append(mediaItem);
}
}
}
}
m_mediaListProperties.name = i18n("Highest Rated");
m_mediaListProperties.type = QString("Sources");
}
}
if (engineArg.toLower() == "recentlyadded") {
mediaList.clear();
if (!mediaType.isEmpty()) {
MediaQuery query;
QStringList bindings;
bindings.append(mediaVocabulary.mediaResourceBinding());
bindings.append("added");
query.select(bindings, MediaQuery::Distinct);
query.startWhere();
query.addCondition("graph ?g { ");
if (mediaType == "audio") {
query.addCondition(mediaVocabulary.hasTypeAnyAudio(MediaQuery::Required));
} else if (mediaType == "video") {
query.addCondition(mediaVocabulary.hasTypeAnyVideo(MediaQuery::Required));
}
query.addLRIFilterConditions(engineFilterList, mediaVocabulary);
query.addCondition("} ");
query.addCondition("?g nao:created ?added . ");
query.endWhere();
QStringList orderByBindings;
QList<MediaQuery::Order> order;
orderByBindings.append("added");
order.append(MediaQuery::Descending);
query.orderBy(orderByBindings, order);
Soprano::QueryResultIterator it = query.executeSelect(m_mainModel);
//Build media list from results
while( it.next() ) {
if (m_stop) {
return;
}
MediaItem mediaItem;
QDateTime added = it.binding("added").literal().toDateTime();
Nepomuk::Resource res = Nepomuk::Resource(it.binding(mediaVocabulary.mediaResourceBinding()).uri());
mediaItem = Utilities::mediaItemFromNepomuk(res, m_mediaListProperties.lri);
mediaItem.semanticComment = i18nc("for example, added 3 days ago", "added %1", Utilities::wordsForTimeSince(added));
if (!mediaItem.url.startsWith("nepomuk:/")) {
mediaList.append(mediaItem);
}
}
m_mediaListProperties.name = i18n("Recently Added");
m_mediaListProperties.type = QString("Sources");
}
}
}
emit results(m_requestSignature, mediaList, m_mediaListProperties, true, m_subRequestSignature);
//Check if MediaItems in mediaList exist
QList<MediaItem> mediaItems = Utilities::mediaItemsDontExist(mediaList);
if (mediaItems.count() > 0) {
emit updateMediaItems(mediaItems);
} else {
//Get any remaining metadata for mediaItems
if (mediaType == "video") {
for (int i = 0; i < mediaList.count(); i++) {
if (m_stop) {
return;
}
MediaItem mediaItem = Utilities::completeMediaItem(mediaList.at(i));
emit updateMediaItem(mediaItem);
}
}
}
m_requestSignature = QString();
m_subRequestSignature = QString();
}
