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/*
* SPDX-FileCopyrightText: 2012 Peter Penz <[email protected]>
* SPDX-FileCopyrightText: 2013 Vishesh Handa <[email protected]>
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "kbaloorolesprovider.h"
#include <Baloo/File>
#include <KFileMetaData/PropertyInfo>
#include <KFileMetaData/UserMetaData>
#include <QCollator>
#include <QSize>
namespace
{
QString tagsFromValues(const QStringList &values)
{
if (values.size() == 1) {
return values.at(0);
}
QStringList alphabeticalOrderTags = values;
QCollator coll;
coll.setNumericMode(true);
std::sort(alphabeticalOrderTags.begin(), alphabeticalOrderTags.end(), [&](const QString &s1, const QString &s2) {
return coll.compare(s1, s2) < 0;
});
return alphabeticalOrderTags.join(QLatin1String(", "));
}
using Property = KFileMetaData::Property::Property;
// Mapping from the KFM::Property to the KFileItemModel roles.
const QHash<Property, QByteArray> propertyRoleMap() {
static const auto map = QHash<Property, QByteArray> {
{ Property::Rating, QByteArrayLiteral("rating") },
{ Property::Comment, QByteArrayLiteral("comment") },
{ Property::Title, QByteArrayLiteral("title") },
{ Property::Author, QByteArrayLiteral("author") },
{ Property::Publisher, QByteArrayLiteral("publisher") },
{ Property::PageCount, QByteArrayLiteral("pageCount") },
{ Property::WordCount, QByteArrayLiteral("wordCount") },
{ Property::LineCount, QByteArrayLiteral("lineCount") },
{ Property::Width, QByteArrayLiteral("width") },
{ Property::Height, QByteArrayLiteral("height") },
{ Property::ImageDateTime, QByteArrayLiteral("imageDateTime") },
{ Property::ImageOrientation, QByteArrayLiteral("orientation") },
{ Property::Artist, QByteArrayLiteral("artist") },
{ Property::Genre, QByteArrayLiteral("genre") },
{ Property::Album, QByteArrayLiteral("album") },
{ Property::Duration, QByteArrayLiteral("duration") },
{ Property::BitRate, QByteArrayLiteral("bitrate") },
{ Property::AspectRatio, QByteArrayLiteral("aspectRatio") },
{ Property::FrameRate, QByteArrayLiteral("frameRate") },
{ Property::ReleaseYear, QByteArrayLiteral("releaseYear") },
{ Property::TrackNumber, QByteArrayLiteral("track") }
};
return map;
}
}
struct KBalooRolesProviderSingleton {
KBalooRolesProvider instance;
};
Q_GLOBAL_STATIC(KBalooRolesProviderSingleton, s_balooRolesProvider)
KBalooRolesProvider &KBalooRolesProvider::instance()
{
return s_balooRolesProvider->instance;
}
KBalooRolesProvider::~KBalooRolesProvider()
{
}
QSet<QByteArray> KBalooRolesProvider::roles() const
{
return m_roles;
}
QHash<QByteArray, QVariant> KBalooRolesProvider::roleValues(const Baloo::File &file, const QSet<QByteArray> &roles) const
{
QHash<QByteArray, QVariant> values;
using entry = std::pair<const KFileMetaData::Property::Property &, const QVariant &>;
const auto &propMap = file.properties();
auto rangeBegin = propMap.constKeyValueBegin();
while (rangeBegin != propMap.constKeyValueEnd()) {
auto key = (*rangeBegin).first;
auto rangeEnd = std::find_if(rangeBegin, propMap.constKeyValueEnd(), [key](const entry &e) {
return e.first != key;
});
const QByteArray role = propertyRoleMap().value(key);
if (role.isEmpty() || !roles.contains(role)) {
rangeBegin = rangeEnd;
continue;
}
const KFileMetaData::PropertyInfo propertyInfo(key);
auto distance = std::distance(rangeBegin, rangeEnd);
if (distance > 1) {
QVariantList list;
list.reserve(static_cast<int>(distance));
std::for_each(rangeBegin, rangeEnd, [&list](const entry &s) {
list.append(s.second);
});
values.insert(role, propertyInfo.formatAsDisplayString(list));
} else {
if (propertyInfo.valueType() == QVariant::DateTime) {
// Let dolphin format later Dates
values.insert(role, (*rangeBegin).second);
} else {
values.insert(role, propertyInfo.formatAsDisplayString((*rangeBegin).second));
}
}
rangeBegin = rangeEnd;
}
if (roles.contains("dimensions")) {
bool widthOk = false;
bool heightOk = false;
const int width = propMap.value(KFileMetaData::Property::Width).toInt(&widthOk);
const int height = propMap.value(KFileMetaData::Property::Height).toInt(&heightOk);
if (widthOk && heightOk && width >= 0 && height >= 0) {
values.insert("dimensions", QSize(width, height));
}
}
KFileMetaData::UserMetaData::Attributes attributes;
if (roles.contains("tags")) {
attributes |= KFileMetaData::UserMetaData::Tags;
}
if (roles.contains("rating")) {
attributes |= KFileMetaData::UserMetaData::Rating;
}
if (roles.contains("comment")) {
attributes |= KFileMetaData::UserMetaData::Comment;
}
if (roles.contains("originUrl")) {
attributes |= KFileMetaData::UserMetaData::OriginUrl;
}
if (attributes == KFileMetaData::UserMetaData::None) {
return values;
}
KFileMetaData::UserMetaData md(file.path());
attributes = md.queryAttributes(attributes);
if (attributes & KFileMetaData::UserMetaData::Tags) {
values.insert("tags", tagsFromValues(md.tags()));
}
if (attributes & KFileMetaData::UserMetaData::Rating) {
values.insert("rating", QString::number(md.rating()));
}
if (attributes & KFileMetaData::UserMetaData::Comment) {
values.insert("comment", md.userComment());
}
if (attributes & KFileMetaData::UserMetaData::OriginUrl) {
values.insert("originUrl", md.originUrl());
}
return values;
}
KBalooRolesProvider::KBalooRolesProvider()
{
// Display roles filled from Baloo property cache
for (const auto &role : propertyRoleMap()) {
m_roles.insert(role);
}
m_roles.insert("dimensions");
// Display roles provided by UserMetaData
m_roles.insert(QByteArrayLiteral("tags"));
m_roles.insert(QByteArrayLiteral("rating"));
m_roles.insert(QByteArrayLiteral("comment"));
m_roles.insert(QByteArrayLiteral("originUrl"));
}
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