diff --git a/libdiscover/backends/FlatpakBackend/FlatpakBackend.cpp b/libdiscover/backends/FlatpakBackend/FlatpakBackend.cpp
index a3de8f50..16341639 100644
--- a/libdiscover/backends/FlatpakBackend/FlatpakBackend.cpp
+++ b/libdiscover/backends/FlatpakBackend/FlatpakBackend.cpp
@@ -1,1298 +1,1299 @@
 /***************************************************************************
  *   Copyright © 2013 Aleix Pol Gonzalez <aleixpol@blue-systems.com>       *
  *   Copyright © 2017 Jan Grulich <jgrulich@redhat.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 of        *
  *   the License or (at your option) version 3 or any later version        *
  *   accepted by the membership of KDE e.V. (or its successor approved     *
  *   by the membership of KDE e.V.), which shall act as a proxy            *
  *   defined in Section 14 of version 3 of the license.                    *
  *                                                                         *
  *   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, see <http://www.gnu.org/licenses/>. *
  ***************************************************************************/
 
 #include "FlatpakBackend.h"
 #include "FlatpakFetchDataJob.h"
 #include "FlatpakResource.h"
 #include "FlatpakSourcesBackend.h"
 #include "FlatpakJobTransaction.h"
 
 #include <resources/StandardBackendUpdater.h>
 #include <resources/SourcesModel.h>
 #include <Transaction/Transaction.h>
 #include <appstream/OdrsReviewsBackend.h>
 #include <appstream/AppStreamIntegration.h>
 
 #include <AppStreamQt/bundle.h>
 #include <AppStreamQt/component.h>
 #include <AppStreamQt/icon.h>
 #include <AppStreamQt/metadata.h>
 
 #include <KAboutData>
 #include <KLocalizedString>
 #include <KPluginFactory>
 #include <KConfigGroup>
 #include <KSharedConfig>
 
 #include <QAction>
 #include <QtConcurrentRun>
 #include <QDebug>
 #include <QDir>
 #include <QFile>
 #include <QFileInfo>
 #include <QFutureWatcher>
 #include <QSettings>
 #include <QThread>
 #include <QTimer>
 #include <QTextStream>
 #include <QTemporaryFile>
 #include <QNetworkAccessManager>
 
 #include <glib.h>
 #include <QRegularExpression>
 #include "FlatpakSourcesBackend.h"
 
 DISCOVER_BACKEND_PLUGIN(FlatpakBackend)
 
 static FlatpakResource::Id idForInstalledRef(FlatpakInstallation *installation, FlatpakInstalledRef *ref)
 {
     const FlatpakResource::ResourceType appType = flatpak_ref_get_kind(FLATPAK_REF(ref)) == FLATPAK_REF_KIND_APP ? FlatpakResource::DesktopApp : FlatpakResource::Runtime;
     const QString name = QLatin1String(flatpak_ref_get_name(FLATPAK_REF(ref)));
     const QString appId = appType == FlatpakResource::DesktopApp ? QLatin1String(flatpak_ref_get_name(FLATPAK_REF(ref))) + QStringLiteral(".desktop") : name;
 
     const QString arch = QString::fromUtf8(flatpak_ref_get_arch(FLATPAK_REF(ref)));
     const QString branch = QString::fromUtf8(flatpak_ref_get_branch(FLATPAK_REF(ref)));
 
     return { installation, QString::fromUtf8(flatpak_installed_ref_get_origin(ref)), appType, appId, branch, arch };
 }
 
 FlatpakBackend::FlatpakBackend(QObject* parent)
     : AbstractResourcesBackend(parent)
     , m_updater(new StandardBackendUpdater(this))
     , m_reviews(AppStreamIntegration::global()->reviews())
     , m_refreshAppstreamMetadataJobs(0)
     , m_threadPool(new QThreadPool(this))
 {
     g_autoptr(GError) error = nullptr;
     m_cancellable = g_cancellable_new();
 
     connect(m_updater, &StandardBackendUpdater::updatesCountChanged, this, &FlatpakBackend::updatesCountChanged);
 
     // Load flatpak installation
     if (!setupFlatpakInstallations(&error)) {
         qWarning() << "Failed to setup flatpak installations:" << error->message;
     } else {
         loadAppsFromAppstreamData();
 
         m_sources = new FlatpakSourcesBackend(m_installations, this);
         SourcesModel::global()->addSourcesBackend(m_sources);
     }
 
     connect(m_reviews.data(), &OdrsReviewsBackend::ratingsReady, this, &FlatpakBackend::announceRatingsReady);
 }
 
 FlatpakBackend::~FlatpakBackend()
 {
     g_cancellable_cancel(m_cancellable);
+    m_threadPool.waitForDone(200);
     m_threadPool.clear();
     for(auto inst : m_installations)
         g_object_unref(inst);
 
     g_object_unref(m_cancellable);
 }
 
 bool FlatpakBackend::isValid() const
 {
     return m_sources && !m_installations.isEmpty();
 }
 
 void FlatpakBackend::announceRatingsReady()
 {
     emitRatingsReady();
 
     const auto ids = m_reviews->appstreamIds().toSet();
     foreach(AbstractResource* res, m_resources) {
         if (ids.contains(res->appstreamId())) {
             res->ratingFetched();
         }
     }
 }
 
 class FlatpakFetchRemoteResourceJob : public QNetworkAccessManager
 {
 Q_OBJECT
 public:
     FlatpakFetchRemoteResourceJob(const QUrl &url, FlatpakBackend *backend)
         : QNetworkAccessManager(backend)
         , m_backend(backend)
         , m_url(url)
     {
     }
 
     void start()
     {
         auto replyGet = get(QNetworkRequest(m_url));
 
         connect(replyGet, &QNetworkReply::finished, this, [this, replyGet] {
             const QUrl originalUrl = replyGet->request().url();
             if (replyGet->error() != QNetworkReply::NoError) {
                 qWarning() << "couldn't download" << originalUrl << replyGet->errorString();
                 Q_EMIT jobFinished(false, nullptr);
                 return;
             }
 
             const QUrl fileUrl = QUrl::fromLocalFile(QStandardPaths::writableLocation(QStandardPaths::TempLocation) + QLatin1Char('/') + originalUrl.fileName());
             auto replyPut = put(QNetworkRequest(fileUrl), replyGet->readAll());
             connect(replyPut, &QNetworkReply::finished, this, [this, originalUrl, fileUrl, replyPut]() {
                 if (replyPut->error() == QNetworkReply::NoError) {
                     auto res = m_backend->resourceForFile(fileUrl);
                     if (res) {
                         FlatpakResource *resource = qobject_cast<FlatpakResource*>(res);
                         resource->setResourceFile(originalUrl);
                         Q_EMIT jobFinished(true, resource);
                     } else {
                         qWarning() << "couldn't create resource from" << fileUrl.toLocalFile();
                         Q_EMIT jobFinished(false, nullptr);
                     }
                 } else {
                     qWarning() << "couldn't save" << originalUrl << replyPut->errorString();
                     Q_EMIT jobFinished(false, nullptr);
                 }
             });
         });
     }
 
 Q_SIGNALS:
     void jobFinished(bool success, FlatpakResource *resource);
 
 private:
     FlatpakBackend *m_backend;
     QUrl m_url;
 };
 
 FlatpakRemote * FlatpakBackend::getFlatpakRemoteByUrl(const QString &url, FlatpakInstallation *installation) const
 {
     auto remotes = flatpak_installation_list_remotes(installation, m_cancellable, nullptr);
     if (!remotes) {
         return nullptr;
     }
 
     const QByteArray comparableUrl = url.toUtf8();
     for (uint i = 0; i < remotes->len; i++) {
         FlatpakRemote *remote = FLATPAK_REMOTE(g_ptr_array_index(remotes, i));
 
         if (comparableUrl == flatpak_remote_get_url(remote)) {
             return remote;
         }
     }
     return nullptr;
 }
 
 FlatpakInstalledRef * FlatpakBackend::getInstalledRefForApp(FlatpakInstallation *flatpakInstallation, FlatpakResource *resource) const
 {
     FlatpakInstalledRef *ref = nullptr;
     g_autoptr(GError) localError = nullptr;
 
     if (!flatpakInstallation) {
         return ref;
     }
 
     const auto type = resource->type() == FlatpakResource::DesktopApp ? FLATPAK_REF_KIND_APP : FLATPAK_REF_KIND_RUNTIME;
 
     return flatpak_installation_get_installed_ref(flatpakInstallation,
                                                  type,
                                                  resource->flatpakName().toUtf8().constData(),
                                                  resource->arch().toUtf8().constData(),
                                                  resource->branch().toUtf8().constData(),
                                                  m_cancellable, &localError);
 }
 
 FlatpakResource * FlatpakBackend::getAppForInstalledRef(FlatpakInstallation *flatpakInstallation, FlatpakInstalledRef *ref) const
 {
     return m_resources.value(idForInstalledRef(flatpakInstallation, ref));
 }
 
 FlatpakResource * FlatpakBackend::getRuntimeForApp(FlatpakResource *resource) const
 {
     FlatpakResource *runtime = nullptr;
     const auto runtimeInfo = resource->runtime().split(QLatin1Char('/'));
 
     if (runtimeInfo.count() != 3) {
         return runtime;
     }
 
     for(auto it = m_resources.constBegin(), itEnd = m_resources.constEnd(); it!=itEnd; ++it) {
         const auto id = it.key();
         if (id.type == FlatpakResource::Runtime && id.id == runtimeInfo.at(0) && id.branch == runtimeInfo.at(2)) {
             runtime = *it;
             break;
         }
     }
 
     // TODO if runtime wasn't found, create a new one from available info
     if (!runtime) {
         qWarning() << "could not find runtime" << runtimeInfo << resource;
     }
 
     return runtime;
 }
 
 FlatpakResource * FlatpakBackend::addAppFromFlatpakBundle(const QUrl &url)
 {
     g_autoptr(GBytes) appstreamGz = nullptr;
     g_autoptr(GError) localError = nullptr;
     g_autoptr(GFile) file = nullptr;
     g_autoptr(FlatpakBundleRef) bundleRef = nullptr;
     AppStream::Component asComponent;
 
     file = g_file_new_for_path(url.toLocalFile().toUtf8().constData());
     bundleRef = flatpak_bundle_ref_new(file, &localError);
 
     if (!bundleRef) {
         qWarning() << "Failed to load bundle:" << localError->message;
         return nullptr;
     }
 
     g_autoptr(GBytes) metadata = flatpak_bundle_ref_get_metadata(bundleRef);
     appstreamGz = flatpak_bundle_ref_get_appstream(bundleRef);
     if (appstreamGz) {
         g_autoptr(GZlibDecompressor) decompressor = nullptr;
         g_autoptr(GInputStream) streamGz = nullptr;
         g_autoptr(GInputStream) streamData = nullptr;
         g_autoptr(GBytes) appstream = nullptr;
 
         /* decompress data */
         decompressor = g_zlib_decompressor_new (G_ZLIB_COMPRESSOR_FORMAT_GZIP);
         streamGz = g_memory_input_stream_new_from_bytes (appstreamGz);
         if (!streamGz) {
             return nullptr;
         }
 
         streamData = g_converter_input_stream_new (streamGz, G_CONVERTER (decompressor));
 
         appstream = g_input_stream_read_bytes (streamData, 0x100000, m_cancellable, &localError);
         if (!appstream) {
             qWarning() << "Failed to extract appstream metadata from bundle:" << localError->message;
             return nullptr;
         }
 
         gsize len = 0;
         gconstpointer data = g_bytes_get_data(appstream, &len);
 
         AppStream::Metadata metadata;
         metadata.setFormatStyle(AppStream::Metadata::FormatStyleCollection);
         AppStream::Metadata::MetadataError error = metadata.parse(QString::fromUtf8((char*)data, len), AppStream::Metadata::FormatKindXml);
         if (error != AppStream::Metadata::MetadataErrorNoError) {
             qWarning() << "Failed to parse appstream metadata: " << error;
             return nullptr;
         }
 
         const QList<AppStream::Component> components = metadata.components();
         if (components.size()) {
             asComponent = AppStream::Component(components.first());
         } else {
             qWarning() << "Failed to parse appstream metadata";
             return nullptr;
         }
     } else {
         qWarning() << "No appstream metadata in bundle";
 
         QTemporaryFile tempFile;
         tempFile.setAutoRemove(false);
         if (!tempFile.open()) {
             qWarning() << "Failed to get metadata file";
             return nullptr;
         }
 
         gsize len = 0;
         QByteArray metadataContent = QByteArray((char *)g_bytes_get_data(metadata, &len));
         tempFile.write(metadataContent);
         tempFile.close();
 
         // Parse the temporary file
         QSettings setting(tempFile.fileName(), QSettings::NativeFormat);
         setting.beginGroup(QLatin1String("Application"));
 
         asComponent.setName(setting.value(QLatin1String("name")).toString());
 
         tempFile.remove();
     }
 
     FlatpakResource *resource = new FlatpakResource(asComponent, preferredInstallation(), this);
 
     gsize len = 0;
     QByteArray metadataContent = QByteArray((char *)g_bytes_get_data(metadata, &len));
     if (!updateAppMetadata(resource, metadataContent)) {
         delete resource;
         qWarning() << "Failed to update metadata from app bundle";
         return nullptr;
     }
 
     g_autoptr(GBytes) iconData = flatpak_bundle_ref_get_icon(bundleRef, 128);
     if (!iconData) {
         iconData = flatpak_bundle_ref_get_icon(bundleRef, 64);
     }
 
     if (iconData) {
         gsize len = 0;
         char * data = (char *)g_bytes_get_data(iconData, &len);
 
         QPixmap pixmap;
         pixmap.loadFromData(QByteArray(data, len), "PNG");
         resource->setBundledIcon(pixmap);
     }
 
     const QString origin = QString::fromUtf8(flatpak_bundle_ref_get_origin(bundleRef));
 
     resource->setDownloadSize(0);
     resource->setInstalledSize(flatpak_bundle_ref_get_installed_size(bundleRef));
     resource->setPropertyState(FlatpakResource::DownloadSize, FlatpakResource::AlreadyKnown);
     resource->setPropertyState(FlatpakResource::InstalledSize, FlatpakResource::AlreadyKnown);
     resource->setFlatpakFileType(QStringLiteral("flatpak"));
     resource->setOrigin(origin.isEmpty() ? i18n("Local bundle") : origin);
     resource->setResourceFile(url);
     resource->setState(FlatpakResource::None);
     resource->setType(FlatpakResource::DesktopApp);
 
     addResource(resource);
     return resource;
 }
 
 FlatpakResource * FlatpakBackend::addAppFromFlatpakRef(const QUrl &url)
 {
     QSettings settings(url.toLocalFile(), QSettings::NativeFormat);
     const QString refurl = settings.value(QStringLiteral("Flatpak Ref/Url")).toString();
 
     g_autoptr(GError) error = nullptr;
     g_autoptr(FlatpakRemoteRef) remoteRef = nullptr;
     {
         QFile f(url.toLocalFile());
         if (!f.open(QFile::ReadOnly | QFile::Text)) {
             return nullptr;
         }
 
         QByteArray contents = f.readAll();
 
         g_autoptr(GBytes) bytes = g_bytes_new (contents.data(), contents.size());
 
         remoteRef = flatpak_installation_install_ref_file (preferredInstallation(), bytes, m_cancellable, &error);
         if (!remoteRef) {
             qWarning() << "Failed to create install ref file:" << error->message;
             const auto resources = resourcesByAppstreamName(settings.value(QStringLiteral("Flatpak Ref/Name")).toString());
             if (!resources.isEmpty()) {
                 return qobject_cast<FlatpakResource*>(resources.constFirst());
             }
             return nullptr;
         }
     }
 
     const auto remoteName = flatpak_remote_ref_get_remote_name(remoteRef);
 
     auto ref = FLATPAK_REF(remoteRef);
 
     AppStream::Component asComponent;
     asComponent.addUrl(AppStream::Component::UrlKindHomepage, settings.value(QStringLiteral("Flatpak Ref/Homepage")).toString());
     asComponent.setDescription(settings.value(QStringLiteral("Flatpak Ref/Description")).toString());
     asComponent.setName(settings.value(QStringLiteral("Flatpak Ref/Title")).toString());
     asComponent.setSummary(settings.value(QStringLiteral("Flatpak Ref/Comment")).toString());
     asComponent.setId(settings.value(QStringLiteral("Flatpak Ref/Name")).toString());
 
     const QString iconUrl = settings.value(QStringLiteral("Flatpak Ref/Icon")).toString();
     if (!iconUrl.isEmpty()) {
         AppStream::Icon icon;
         icon.setKind(AppStream::Icon::KindRemote);
         icon.setUrl(QUrl(iconUrl));
         asComponent.addIcon(icon);
     }
 
     auto resource = new FlatpakResource(asComponent, preferredInstallation(), this);
     resource->setFlatpakFileType(QStringLiteral("flatpakref"));
     resource->setOrigin(QString::fromUtf8(remoteName));
     resource->updateFromRef(ref);
 
     QUrl runtimeUrl = QUrl(settings.value(QStringLiteral("Flatpak Ref/RuntimeRepo")).toString());
     if (!runtimeUrl.isEmpty()) {
         auto installation = preferredInstallation();
         // We need to fetch metadata to find information about required runtime
         auto fw = new QFutureWatcher<QByteArray>(this);
         fw->setFuture(QtConcurrent::run(&m_threadPool, &FlatpakRunnables::fetchMetadata, installation, resource));
         connect(fw, &QFutureWatcher<QByteArray>::finished, this, [this, installation, resource, fw, runtimeUrl]() {
             const auto metadata = fw->result();
             // Even when we failed to fetch information about runtime we still want to show the application
             if (metadata.isEmpty()) {
                 onFetchMetadataFinished(installation, resource, metadata);
             } else {
                 updateAppMetadata(resource, metadata);
 
                 auto runtime = getRuntimeForApp(resource);
                 if (!runtime || (runtime && !runtime->isInstalled())) {
                     FlatpakFetchRemoteResourceJob *fetchRemoteResource = new FlatpakFetchRemoteResourceJob(runtimeUrl, this);
                     connect(fetchRemoteResource, &FlatpakFetchRemoteResourceJob::jobFinished, this, [this, resource] (bool success, FlatpakResource *repoResource) {
                         if (success) {
                             installApplication(repoResource);
                         }
                         addResource(resource);
                     });
                     fetchRemoteResource->start();
                     return;
                 } else {
                     addResource(resource);
                 }
             }
             fw->deleteLater();
         });
     } else {
         addResource(resource);
     }
 
     return resource;
 }
 
 FlatpakResource * FlatpakBackend::addSourceFromFlatpakRepo(const QUrl &url)
 {
     Q_ASSERT(url.isLocalFile());
     QSettings settings(url.toLocalFile(), QSettings::NativeFormat);
 
     const QString gpgKey = settings.value(QStringLiteral("Flatpak Repo/GPGKey")).toString();
     const QString title = settings.value(QStringLiteral("Flatpak Repo/Title")).toString();
     const QString repoUrl = settings.value(QStringLiteral("Flatpak Repo/Url")).toString();
 
     if (gpgKey.isEmpty() || title.isEmpty() || repoUrl.isEmpty()) {
         return nullptr;
     }
 
     if (gpgKey.startsWith(QStringLiteral("http://")) || gpgKey.startsWith(QStringLiteral("https://"))) {
         return nullptr;
     }
 
     AppStream::Component asComponent;
     asComponent.addUrl(AppStream::Component::UrlKindHomepage, settings.value(QStringLiteral("Flatpak Repo/Homepage")).toString());
     asComponent.setSummary(settings.value(QStringLiteral("Flatpak Repo/Comment")).toString());
     asComponent.setDescription(settings.value(QStringLiteral("Flatpak Repo/Description")).toString());
     asComponent.setName(title);
     asComponent.setId(settings.value(QStringLiteral("Flatpak Ref/Name")).toString());
 
     const QString iconUrl = settings.value(QStringLiteral("Flatpak Repo/Icon")).toString();
     if (!iconUrl.isEmpty()) {
         AppStream::Icon icon;
         icon.setKind(AppStream::Icon::KindRemote);
         icon.setUrl(QUrl(iconUrl));
         asComponent.addIcon(icon);
     }
 
     auto resource = new FlatpakResource(asComponent, preferredInstallation(), this);
     // Use metadata only for stuff which are not common for all resources
     resource->addMetadata(QStringLiteral("gpg-key"), gpgKey);
     resource->addMetadata(QStringLiteral("repo-url"), repoUrl);
     resource->setBranch(settings.value(QStringLiteral("Flatpak Repo/DefaultBranch")).toString());
     resource->setFlatpakName(url.fileName().remove(QStringLiteral(".flatpakrepo")));
     resource->setType(FlatpakResource::Source);
 
     auto repo = flatpak_installation_get_remote_by_name(preferredInstallation(), resource->flatpakName().toUtf8().constData(), m_cancellable, nullptr);
     if (!repo) {
         resource->setState(AbstractResource::State::None);
     } else {
         resource->setState(AbstractResource::State::Installed);
     }
 
     return resource;
 }
 
 void FlatpakBackend::addResource(FlatpakResource *resource)
 {
     // Update app with all possible information we have
     if (!parseMetadataFromAppBundle(resource)) {
         qWarning() << "Failed to parse metadata from app bundle for" << resource->name();
     }
 
     auto installation = resource->installation();
     updateAppState(installation, resource);
 
     // This will update also metadata (required runtime)
     updateAppSize(installation, resource);
 
     m_resources.insert(resource->uniqueId(), resource);
 }
 
 class FlatpakSource
 {
 public:
     FlatpakSource(FlatpakRemote* remote) : m_remote(remote) {}
 
     bool isEnabled() const
     {
         return !flatpak_remote_get_disabled(m_remote);
     }
 
     QString appstreamDir() const
     {
         g_autoptr(GFile) appstreamDir = flatpak_remote_get_appstream_dir(m_remote, nullptr);
         if (!appstreamDir) {
             qWarning() << "No appstream dir for" << flatpak_remote_get_name(m_remote);
             return {};
         }
         return QString::fromUtf8(g_file_get_path(appstreamDir));
     }
 
     QString name() const
     {
         return QString::fromUtf8(flatpak_remote_get_name(m_remote));
     }
 
 private:
     FlatpakRemote* m_remote;
 };
 
 void FlatpakBackend::loadAppsFromAppstreamData()
 {
     for (auto installation : qAsConst(m_installations)) {
         // Load applications from appstream metadata
         if (!loadAppsFromAppstreamData(installation)) {
             qWarning() << "Failed to load packages from appstream data from installation" << installation;
         }
     }
 }
 
 bool FlatpakBackend::loadAppsFromAppstreamData(FlatpakInstallation *flatpakInstallation)
 {
     Q_ASSERT(flatpakInstallation);
 
     GPtrArray *remotes = flatpak_installation_list_remotes(flatpakInstallation, m_cancellable, nullptr);
     if (!remotes) {
         return false;
     }
 
     m_refreshAppstreamMetadataJobs += remotes->len;
 
     for (uint i = 0; i < remotes->len; i++) {
         FlatpakRemote *remote = FLATPAK_REMOTE(g_ptr_array_index(remotes, i));
         g_autoptr(GFile) fileTimestamp = flatpak_remote_get_appstream_timestamp(remote, nullptr);
 
         QFileInfo fileInfo = QFileInfo(QString::fromUtf8(g_file_get_path(fileTimestamp)));
         // Refresh appstream metadata in case they have never been refreshed or the cache is older than 6 hours
         if (!fileInfo.exists() || fileInfo.lastModified().toUTC().secsTo(QDateTime::currentDateTimeUtc()) > 21600) {
             refreshAppstreamMetadata(flatpakInstallation, remote);
         } else {
             integrateRemote(flatpakInstallation, remote);
         }
     }
 
     return true;
 }
 
 void FlatpakBackend::integrateRemote(FlatpakInstallation *flatpakInstallation, FlatpakRemote *remote)
 {
     Q_ASSERT(m_refreshAppstreamMetadataJobs != 0);
     m_refreshAppstreamMetadataJobs--;
 
     FlatpakSource source(remote);
     if (!source.isEnabled() || flatpak_remote_get_noenumerate(remote)) {
         return;
     }
 
     const QString appstreamDirPath = source.appstreamDir();
     const QString appstreamIconsPath = source.appstreamDir() + QLatin1String("/icons/");
     const QString appDirFileName = appstreamDirPath + QLatin1String("/appstream.xml.gz");
     if (!QFile::exists(appDirFileName)) {
         qWarning() << "No" << appDirFileName << "appstream metadata found for" << source.name();
         return;
     }
 
     auto fw = new QFutureWatcher<QList<AppStream::Component>>(this);
     fw->setFuture(QtConcurrent::run(&m_threadPool, [appDirFileName]() -> QList<AppStream::Component> {
         AppStream::Metadata metadata;
         metadata.setFormatStyle(AppStream::Metadata::FormatStyleCollection);
         AppStream::Metadata::MetadataError error = metadata.parseFile(appDirFileName, AppStream::Metadata::FormatKindXml);
         if (error != AppStream::Metadata::MetadataErrorNoError) {
             qWarning() << "Failed to parse appstream metadata: " << error;
             return {};
         }
 
         return metadata.components();
     }));
     const auto sourceName = source.name();
     acquireFetching(true);
     connect(fw, &QFutureWatcher<QList<AppStream::Component>>::finished, this, [this, fw, flatpakInstallation, appstreamIconsPath, sourceName]() {
         const auto components = fw->result();
         foreach (const AppStream::Component& appstreamComponent, components) {
             FlatpakResource *resource = new FlatpakResource(appstreamComponent, flatpakInstallation, this);
             resource->setIconPath(appstreamIconsPath);
             resource->setOrigin(sourceName);
             addResource(resource);
         }
         if (!m_refreshAppstreamMetadataJobs) {
             loadInstalledApps();
             checkForUpdates();
 
         }
         acquireFetching(false);
         fw->deleteLater();
     });
 }
 
 void FlatpakBackend::loadInstalledApps()
 {
     for (auto installation : qAsConst(m_installations)) {
         // Load installed applications and update existing resources with info from installed application
         if (!loadInstalledApps(installation)) {
             qWarning() << "Failed to load installed packages from installation" << installation;
         }
     }
 }
 
 bool FlatpakBackend::loadInstalledApps(FlatpakInstallation *flatpakInstallation)
 {
     Q_ASSERT(flatpakInstallation);
 
     g_autoptr(GError) localError = nullptr;
     g_autoptr(GPtrArray) refs = flatpak_installation_list_installed_refs(flatpakInstallation, m_cancellable, &localError);
     if (!refs) {
         qWarning() << "Failed to get list of installed refs for listing updates:" << localError->message;
         return false;
     }
 
     const QString pathExports = FlatpakResource::installationPath(flatpakInstallation) + QLatin1String("/exports/");
     const QString pathApps = pathExports + QLatin1String("share/applications/");
 
     for (uint i = 0; i < refs->len; i++) {
         FlatpakInstalledRef *ref = FLATPAK_INSTALLED_REF(g_ptr_array_index(refs, i));
 
         if (flatpak_ref_get_kind(FLATPAK_REF(ref)) == FLATPAK_REF_KIND_RUNTIME) {
             continue;
         }
         const auto res = getAppForInstalledRef(flatpakInstallation, ref);
         if (res) {
             res->setState(AbstractResource::Installed);
             continue;
         }
 
         const auto name = QLatin1String(flatpak_ref_get_name(FLATPAK_REF(ref)));
         AppStream::Metadata metadata;
         const QString fnDesktop = pathApps + name + QLatin1String(".desktop");
         AppStream::Metadata::MetadataError error = metadata.parseFile(fnDesktop, AppStream::Metadata::FormatKindDesktopEntry);
         if (error != AppStream::Metadata::MetadataErrorNoError) {
             qWarning() << "Failed to parse appstream metadata: " << error << fnDesktop;
             continue;
         }
 
         auto component = metadata.component();
         component.setId(name + QLatin1String(".desktop"));
         FlatpakResource *resource = new FlatpakResource(component, flatpakInstallation, this);
 
         resource->setIconPath(pathExports);
         resource->setState(AbstractResource::Installed);
         resource->setOrigin(QString::fromUtf8(flatpak_installed_ref_get_origin(ref)));
         resource->updateFromRef(FLATPAK_REF(ref));
 
         addResource(resource);
     }
 
     return true;
 }
 
 void FlatpakBackend::loadLocalUpdates(FlatpakInstallation *flatpakInstallation)
 {
     g_autoptr(GError) localError = nullptr;
     g_autoptr(GPtrArray) refs = nullptr;
 
     refs = flatpak_installation_list_installed_refs(flatpakInstallation, m_cancellable, &localError);
     if (!refs) {
         qWarning() << "Failed to get list of installed refs for listing updates:" << localError->message;
         return;
     }
 
     for (uint i = 0; i < refs->len; i++) {
         FlatpakInstalledRef *ref = FLATPAK_INSTALLED_REF(g_ptr_array_index(refs, i));
 
         const gchar *latestCommit = flatpak_installed_ref_get_latest_commit(ref);
 
         if (!latestCommit) {
             qWarning() << "Couldn't get latest commit for" << flatpak_ref_get_name(FLATPAK_REF(ref));
             continue;
         }
 
         const gchar *commit = flatpak_ref_get_commit(FLATPAK_REF(ref));
         if (g_strcmp0(commit, latestCommit) == 0) {
             continue;
         }
 
         FlatpakResource *resource = getAppForInstalledRef(flatpakInstallation, ref);
         if (resource) {
             resource->setState(AbstractResource::Upgradeable);
             updateAppSize(flatpakInstallation, resource);
         }
     }
 }
 
 void FlatpakBackend::loadRemoteUpdates(FlatpakInstallation* installation)
 {
     auto fw = new QFutureWatcher<GPtrArray *>(this);
     fw->setFuture(QtConcurrent::run(&m_threadPool, [installation, this]() -> GPtrArray * {
         g_autoptr(GError) localError = nullptr;
         GPtrArray *refs = flatpak_installation_list_installed_refs_for_update(installation, m_cancellable, &localError);
         if (!refs) {
             qWarning() << "Failed to get list of installed refs for listing updates: " << localError->message;
         }
         return refs;
     }));
     connect(fw, &QFutureWatcher<GPtrArray *>::finished, this, [this, installation, fw](){
         auto refs = fw->result();
         onFetchUpdatesFinished(installation, refs);
         fw->deleteLater();
     });
 }
 
 void FlatpakBackend::onFetchUpdatesFinished(FlatpakInstallation *flatpakInstallation, GPtrArray *updates)
 {
     if (!updates) {
         qWarning() << "could not get updates for" << flatpakInstallation;
         return;
     }
 
     g_autoptr(GPtrArray) fetchedUpdates = updates;
 
     for (uint i = 0; i < fetchedUpdates->len; i++) {
         FlatpakInstalledRef *ref = FLATPAK_INSTALLED_REF(g_ptr_array_index(fetchedUpdates, i));
         FlatpakResource *resource = getAppForInstalledRef(flatpakInstallation, ref);
         if (resource) {
             resource->setState(AbstractResource::Upgradeable);
             updateAppSize(flatpakInstallation, resource);
         }
     }
 }
 
 bool FlatpakBackend::parseMetadataFromAppBundle(FlatpakResource *resource)
 {
     g_autoptr(FlatpakRef) ref = nullptr;
     g_autoptr(GError) localError = nullptr;
     AppStream::Bundle bundle = resource->appstreamComponent().bundle(AppStream::Bundle::KindFlatpak);
 
     // Get arch/branch/commit/name from FlatpakRef
     if (!bundle.isEmpty()) {
         ref = flatpak_ref_parse(bundle.id().toUtf8().constData(), &localError);
         if (!ref) {
             qWarning() << "Failed to parse" << bundle.id() << localError->message;
             return false;
         } else {
             resource->updateFromRef(ref);
         }
     }
 
     return true;
 }
 
 class FlatpakRefreshAppstreamMetadataJob : public QThread
 {
     Q_OBJECT
 public:
     FlatpakRefreshAppstreamMetadataJob(FlatpakInstallation *installation, FlatpakRemote *remote)
         : QThread()
         , m_cancellable(g_cancellable_new())
         , m_installation(installation)
         , m_remote(remote)
     {
         connect(this, &FlatpakRefreshAppstreamMetadataJob::finished, this, &QObject::deleteLater);
     }
 
     ~FlatpakRefreshAppstreamMetadataJob()
     {
         g_object_unref(m_cancellable);
     }
 
     void cancel()
     {
         g_cancellable_cancel(m_cancellable);
     }
 
     void run() override
     {
         g_autoptr(GError) localError = nullptr;
 
 #if FLATPAK_CHECK_VERSION(0,9,4)
         // With Flatpak 0.9.4 we can use flatpak_installation_update_appstream_full_sync() providing progress reporting which we don't use at this moment, but still
         // better to use newer function in case the previous one gets deprecated
         if (!flatpak_installation_update_appstream_full_sync(m_installation, flatpak_remote_get_name(m_remote), nullptr, nullptr, nullptr, nullptr, m_cancellable, &localError)) {
 #else
         if (!flatpak_installation_update_appstream_sync(m_installation, flatpak_remote_get_name(m_remote), nullptr, nullptr, m_cancellable, &localError)) {
 #endif
             qWarning() << "Failed to refresh appstream metadata for " << flatpak_remote_get_name(m_remote) << ": " << (localError ? localError->message : "<no error>");
             Q_EMIT jobRefreshAppstreamMetadataFailed();
         } else  {
             Q_EMIT jobRefreshAppstreamMetadataFinished(m_installation, m_remote);
         }
     }
 
 Q_SIGNALS:
     void jobRefreshAppstreamMetadataFailed();
     void jobRefreshAppstreamMetadataFinished(FlatpakInstallation *installation, FlatpakRemote *remote);
 
 private:
     GCancellable *m_cancellable;
     FlatpakInstallation *m_installation;
     FlatpakRemote *m_remote;
 };
 
 void FlatpakBackend::refreshAppstreamMetadata(FlatpakInstallation *installation, FlatpakRemote *remote)
 {
     FlatpakRefreshAppstreamMetadataJob *job = new FlatpakRefreshAppstreamMetadataJob(installation, remote);
     connect(job, &FlatpakRefreshAppstreamMetadataJob::jobRefreshAppstreamMetadataFailed, this, [this] () {
         m_refreshAppstreamMetadataJobs--;
     });
     connect(job, &FlatpakRefreshAppstreamMetadataJob::jobRefreshAppstreamMetadataFinished, this, &FlatpakBackend::integrateRemote);
     job->start();
 }
 
 bool FlatpakBackend::setupFlatpakInstallations(GError **error)
 {
     if (qEnvironmentVariableIsSet("FLATPAK_TEST_MODE")) {
         const QString path = QStandardPaths::writableLocation(QStandardPaths::TempLocation) + QLatin1String("/discover-flatpak-test");
         qDebug() << "running flatpak backend on test mode" << path;
         g_autoptr(GFile) file = g_file_new_for_path(QFile::encodeName(path).constData());
         m_installations << flatpak_installation_new_for_path(file, true, m_cancellable, error);
         return true;
     }
 
     GPtrArray *installations = flatpak_get_system_installations(m_cancellable, error);
     if (*error) {
         qWarning() << "Failed to call flatpak_get_system_installations:" << (*error)->message;
     }
     for (uint i = 0; installations && i < installations->len; i++) {
         m_installations << FLATPAK_INSTALLATION(g_ptr_array_index(installations, i));
     }
 
     auto user = flatpak_installation_new_user(m_cancellable, error);
     if (user) {
         m_installations << user;
     }
 
     return !m_installations.isEmpty();
 }
 
 void FlatpakBackend::updateAppInstalledMetadata(FlatpakInstalledRef *installedRef, FlatpakResource *resource)
 {
     // Update the rest
     resource->updateFromRef(FLATPAK_REF(installedRef));
     resource->setInstalledSize(flatpak_installed_ref_get_installed_size(installedRef));
     resource->setOrigin(QString::fromUtf8(flatpak_installed_ref_get_origin(installedRef)));
     if (resource->state() < AbstractResource::Installed)
         resource->setState(AbstractResource::Installed);
 }
 
 bool FlatpakBackend::updateAppMetadata(FlatpakInstallation* flatpakInstallation, FlatpakResource *resource)
 {
     g_autoptr(GFile) installationPath = nullptr;
 
     if (resource->type() != FlatpakResource::DesktopApp) {
         return true;
     }
 
     installationPath = flatpak_installation_get_path(flatpakInstallation);
     const QString path = QString::fromUtf8(g_file_get_path(installationPath)) + QStringLiteral("/app/%1/%2/%3/active/metadata").arg(resource->flatpakName()).arg(resource->arch()).arg(resource->branch());
 
     if (QFile::exists(path)) {
         return updateAppMetadata(resource, path);
     } else {
         auto fw = new QFutureWatcher<QByteArray>(this);
         fw->setFuture(QtConcurrent::run(&m_threadPool, &FlatpakRunnables::fetchMetadata, flatpakInstallation, resource));
         connect(fw, &QFutureWatcher<QByteArray>::finished, this, [this, flatpakInstallation, resource, fw]() {
             const auto metadata = fw->result();
             if (!metadata.isEmpty())
                 onFetchMetadataFinished(flatpakInstallation, resource, metadata);
             fw->deleteLater();
         });
 
         // Return false to indicate we cannot continue (right now used only in updateAppSize())
         return false;
     }
 }
 
 void FlatpakBackend::onFetchMetadataFinished(FlatpakInstallation *flatpakInstallation, FlatpakResource *resource, const QByteArray &metadata)
 {
     updateAppMetadata(resource, metadata);
 
     // Right now we attempt to update metadata for calculating the size so call updateSizeFromRemote()
     // as it's what we want. In future if there are other reason to update metadata we will need to somehow
     // distinguish betwen these calls
     updateAppSizeFromRemote(flatpakInstallation, resource);
 }
 
 bool FlatpakBackend::updateAppMetadata(FlatpakResource *resource, const QString &path)
 {
     // Parse the temporary file
     QSettings setting(path, QSettings::NativeFormat);
     setting.beginGroup(QLatin1String("Application"));
     // Set the runtime in form of name/arch/version which can be later easily parsed
     resource->setRuntime(setting.value(QLatin1String("runtime")).toString());
     // TODO get more information?
     return true;
 }
 
 bool FlatpakBackend::updateAppMetadata(FlatpakResource *resource, const QByteArray &data)
 {
     //We just find the runtime with a regex, QSettings only can read from disk (and so does KConfig)
     const QRegularExpression rx(QStringLiteral("runtime=(.*)"));
     const auto match = rx.match(QString::fromUtf8(data));
     if (!match.isValid()) {
         return false;
     }
 
     resource->setRuntime(match.captured(1));
     return true;
 }
 
 bool FlatpakBackend::updateAppSize(FlatpakInstallation *flatpakInstallation, FlatpakResource *resource)
 {
     // Check if the size is already set, we should also distiguish between download and installed size,
     // right now it doesn't matter whether we get size for installed or not installed app, but if we
     // start making difference then for not installed app check download and install size separately
 
     if (resource->state() == AbstractResource::Installed) {
         // The size appears to be already set (from updateAppInstalledMetadata() apparently)
         if (resource->installedSize() > 0) {
             return true;
         }
     } else {
         if (resource->installedSize() > 0 && resource->downloadSize() > 0) {
             return true;
         }
     }
 
     // Check if we know the needed runtime which is needed for calculating the size
     if (resource->runtime().isEmpty()) {
         if (!updateAppMetadata(flatpakInstallation, resource)) {
             return false;
         }
     }
 
     return updateAppSizeFromRemote(flatpakInstallation, resource);
 }
 
 bool FlatpakBackend::updateAppSizeFromRemote(FlatpakInstallation *flatpakInstallation, FlatpakResource *resource)
 {
     // Calculate the runtime size
     if (resource->state() == AbstractResource::None && resource->type() == FlatpakResource::DesktopApp) {
         auto runtime = getRuntimeForApp(resource);
         if (runtime) {
             // Re-check runtime state if case a new one was created
             updateAppState(flatpakInstallation, runtime);
 
             if (!runtime->isInstalled()) {
                 if (!updateAppSize(flatpakInstallation, runtime)) {
                     qWarning() << "Failed to get runtime size needed for total size of" << resource->name();
                     return false;
                 }
                 // Set required download size to include runtime size even now, in case we fail to
                 // get the app size (e.g. when installing bundles where download size is 0)
                 resource->setDownloadSize(runtime->downloadSize());
             }
         }
     }
 
     if (resource->state() == AbstractResource::Installed) {
         g_autoptr(FlatpakInstalledRef) ref = nullptr;
         ref = getInstalledRefForApp(flatpakInstallation, resource);
         if (!ref) {
             qWarning() << "Failed to get installed size of" << resource->name();
             return false;
         }
         resource->setInstalledSize(flatpak_installed_ref_get_installed_size(ref));
     } else {
         if (resource->origin().isEmpty()) {
             qWarning() << "Failed to get size of" << resource->name() << " because of missing origin";
             return false;
         }
 
         auto futureWatcher = new QFutureWatcher<FlatpakRunnables::SizeInformation>(this);
         futureWatcher->setFuture(QtConcurrent::run(&m_threadPool, &FlatpakRunnables::fetchFlatpakSize, flatpakInstallation, resource));
         connect(futureWatcher, &QFutureWatcher<FlatpakRunnables::SizeInformation>::finished, this, [this, resource, futureWatcher]() {
             auto value = futureWatcher->result();
             if (value.valid) {
                 onFetchSizeFinished(resource, value.downloadSize, value.installedSize);
             } else {
                 resource->setPropertyState(FlatpakResource::DownloadSize, FlatpakResource::UnknownOrFailed);
                 resource->setPropertyState(FlatpakResource::InstalledSize, FlatpakResource::UnknownOrFailed);
             }
             futureWatcher->deleteLater();
         });
     }
 
     return true;
 }
 
 void FlatpakBackend::onFetchSizeFinished(FlatpakResource *resource, guint64 downloadSize, guint64 installedSize)
 {
     FlatpakResource *runtime = nullptr;
     if (resource->state() == AbstractResource::None && resource->type() == FlatpakResource::DesktopApp) {
         runtime = getRuntimeForApp(resource);
     }
 
     if (runtime && !runtime->isInstalled()) {
         resource->setDownloadSize(runtime->downloadSize() + downloadSize);
         resource->setInstalledSize(installedSize);
     } else {
         resource->setDownloadSize(downloadSize);
         resource->setInstalledSize(installedSize);
     }
 }
 
 void FlatpakBackend::updateAppState(FlatpakInstallation *flatpakInstallation, FlatpakResource *resource)
 {
     FlatpakInstalledRef *ref = getInstalledRefForApp(flatpakInstallation, resource);
     if (ref) {
         // If the app is installed, we can set information about commit, arch etc.
         updateAppInstalledMetadata(ref, resource);
     } else {
         // TODO check if the app is actuall still available
         resource->setState(AbstractResource::None);
     }
 }
 
 void FlatpakBackend::acquireFetching(bool f)
 {
     if (f)
         m_isFetching++;
     else
         m_isFetching--;
 
     if ((!f && m_isFetching==0) || (f && m_isFetching==1)) {
         emit fetchingChanged();
     }
 
     if (m_isFetching==0)
         Q_EMIT initialized();
 }
 
 int FlatpakBackend::updatesCount() const
 {
     return m_updater->updatesCount();
 }
 
 bool FlatpakBackend::flatpakResourceLessThan(AbstractResource* l, AbstractResource* r) const
 {
     return (l->isInstalled() != r->isInstalled()) ? l->isInstalled()
          : (l->origin() != r->origin()) ? m_sources->originIndex(l->origin()) < m_sources->originIndex(r->origin())
          : l < r;
 }
 
 ResultsStream * FlatpakBackend::search(const AbstractResourcesBackend::Filters &filter)
 {
     if (filter.resourceUrl.fileName().endsWith(QLatin1String(".flatpakrepo")) || filter.resourceUrl.fileName().endsWith(QLatin1String(".flatpakref"))) {
         auto stream = new ResultsStream(QStringLiteral("FlatpakStream-http-")+filter.resourceUrl.fileName());
 
         FlatpakFetchRemoteResourceJob *fetchResourceJob = new FlatpakFetchRemoteResourceJob(filter.resourceUrl, this);
         connect(fetchResourceJob, &FlatpakFetchRemoteResourceJob::jobFinished, this, [fetchResourceJob, stream] (bool success, FlatpakResource *resource) {
             if (success) {
                 stream->resourcesFound({resource});
             }
             stream->finish();
             fetchResourceJob->deleteLater();
         });
         fetchResourceJob->start();
 
         return stream;
     } else if(filter.resourceUrl.scheme() == QLatin1String("appstream")) {
         return findResourceByPackageName(filter.resourceUrl);
     } else if (!filter.resourceUrl.isEmpty() || !filter.extends.isEmpty())
         return new ResultsStream(QStringLiteral("FlatpakStream-void"), {});
 
     auto stream = new ResultsStream(QStringLiteral("FlatpakStream"));
     auto f = [this, stream, filter] () {
         QVector<AbstractResource*> ret;
         foreach(AbstractResource* r, m_resources) {
             if (r->isTechnical() && filter.state != AbstractResource::Upgradeable) {
                 continue;
             }
 
             if (r->state() < filter.state)
                 continue;
 
             if (filter.search.isEmpty() || r->name().contains(filter.search, Qt::CaseInsensitive) || r->comment().contains(filter.search, Qt::CaseInsensitive)) {
                 ret += r;
             }
         }
         auto f = [this](AbstractResource* l, AbstractResource* r) { return flatpakResourceLessThan(l,r); };
         std::sort(ret.begin(), ret.end(), f);
         if (!ret.isEmpty())
             Q_EMIT stream->resourcesFound(ret);
         stream->finish();
     };
     if (isFetching()) {
             connect(this, &FlatpakBackend::initialized, stream, f);
         } else {
             QTimer::singleShot(0, this, f);
         }
     return stream;
 }
 
 QVector<AbstractResource *> FlatpakBackend::resourcesByAppstreamName(const QString& name) const
 {
     QVector<AbstractResource*> resources;
     foreach(FlatpakResource* res, m_resources) {
         if (QString::compare(res->appstreamId(), name, Qt::CaseInsensitive)==0 || QString::compare(res->appstreamId(), name + QLatin1String(".desktop"), Qt::CaseInsensitive)==0)
             resources << res;
     }
     auto f = [this](AbstractResource* l, AbstractResource* r) { return flatpakResourceLessThan(l, r); };
     std::sort(resources.begin(), resources.end(), f);
     return resources;
 }
 
 ResultsStream * FlatpakBackend::findResourceByPackageName(const QUrl &url)
 {
     if (url.scheme() == QLatin1String("appstream")) {
         if (url.host().isEmpty())
             passiveMessage(i18n("Malformed appstream url '%1'", url.toDisplayString()));
         else {
             auto stream = new ResultsStream(QStringLiteral("FlatpakStream"));
             auto f = [this, stream, url] () {
                 const auto resources = resourcesByAppstreamName(url.host());
                 if (!resources.isEmpty())
                     Q_EMIT stream->resourcesFound(resources);
                 stream->finish();
             };
 
             if (isFetching()) {
                 connect(this, &FlatpakBackend::initialized, stream, f);
             } else {
                 QTimer::singleShot(0, this, f);
             }
             return stream;
         }
     }
     return new ResultsStream(QStringLiteral("FlatpakStream-packageName-void"), {});
 }
 
 AbstractBackendUpdater * FlatpakBackend::backendUpdater() const
 {
     return m_updater;
 }
 
 AbstractReviewsBackend * FlatpakBackend::reviewsBackend() const
 {
     return m_reviews.data();
 }
 
 Transaction* FlatpakBackend::installApplication(AbstractResource *app, const AddonList &addons)
 {
     Q_UNUSED(addons);
 
     FlatpakResource *resource = qobject_cast<FlatpakResource*>(app);
 
     if (resource->type() == FlatpakResource::Source) {
         // Let source backend handle this
         FlatpakRemote *remote = m_sources->installSource(resource);
         if (remote) {
             resource->setState(AbstractResource::Installed);
             m_refreshAppstreamMetadataJobs++;
             // Make sure we update appstream metadata first
             // FIXME we have to let flatpak to return the remote as the one created by FlatpakSourcesBackend will not have appstream directory
             refreshAppstreamMetadata(preferredInstallation(), flatpak_installation_get_remote_by_name(preferredInstallation(), flatpak_remote_get_name(remote), nullptr, nullptr));
         }
         return nullptr;
     }
 
     FlatpakJobTransaction *transaction = nullptr;
     FlatpakInstallation *installation = resource->installation();
 
     if (resource->propertyState(FlatpakResource::RequiredRuntime) == FlatpakResource::NotKnownYet && resource->type() == FlatpakResource::DesktopApp) {
         transaction = new FlatpakJobTransaction(resource, Transaction::InstallRole, true);
         connect(resource, &FlatpakResource::propertyStateChanged, [resource, transaction, this] (FlatpakResource::PropertyKind kind, FlatpakResource::PropertyState state) {
             if (kind != FlatpakResource::RequiredRuntime) {
                 return;
             }
 
             if (state == FlatpakResource::AlreadyKnown) {
                 FlatpakResource *runtime = getRuntimeForApp(resource);
                 if (runtime && !runtime->isInstalled()) {
                     transaction->setRuntime(runtime);
                 }
             }
             transaction->start();
         });
     } else {
         FlatpakResource *runtime = getRuntimeForApp(resource);
         if (runtime && !runtime->isInstalled()) {
             transaction = new FlatpakJobTransaction(resource, runtime, Transaction::InstallRole);
         } else {
             transaction = new FlatpakJobTransaction(resource, Transaction::InstallRole);
         }
     }
 
     connect(transaction, &FlatpakJobTransaction::statusChanged, [this, installation, resource] (Transaction::Status status) {
         if (status == Transaction::Status::DoneStatus) {
             updateAppState(installation, resource);
         }
     });
     return transaction;
 }
 
 Transaction* FlatpakBackend::installApplication(AbstractResource *app)
 {
     return installApplication(app, {});
 }
 
 Transaction* FlatpakBackend::removeApplication(AbstractResource *app)
 {
     FlatpakResource *resource = qobject_cast<FlatpakResource*>(app);
 
     if (resource->type() == FlatpakResource::Source) {
         // Let source backend handle this
         if (m_sources->removeSource(resource->flatpakName())) {
             resource->setState(AbstractResource::None);
         }
         return nullptr;
     }
 
     FlatpakInstallation *installation = resource->installation();
     FlatpakJobTransaction *transaction = new FlatpakJobTransaction(resource, Transaction::RemoveRole);
 
     connect(transaction, &FlatpakJobTransaction::statusChanged, [this, installation, resource] (Transaction::Status status) {
         if (status == Transaction::Status::DoneStatus) {
             updateAppSize(installation, resource);
         }
     });
     return transaction;
 }
 
 void FlatpakBackend::checkForUpdates()
 {
     for (auto installation : qAsConst(m_installations)) {
         // Load local updates, comparing current and latest commit
         loadLocalUpdates(installation);
 
         // Load updates from remote repositories
         loadRemoteUpdates(installation);
     }
 }
 
 AbstractResource * FlatpakBackend::resourceForFile(const QUrl &url)
 {
     if (!url.isLocalFile()) {
         return nullptr;
     }
 
     FlatpakResource *resource = nullptr;
     if (url.path().endsWith(QLatin1String(".flatpak"))) {
         resource = addAppFromFlatpakBundle(url);
     } else if (url.path().endsWith(QLatin1String(".flatpakref"))) {
         resource = addAppFromFlatpakRef(url);
     } else if (url.path().endsWith(QLatin1String(".flatpakrepo"))) {
         resource = addSourceFromFlatpakRepo(url);
     }
 
     return resource;
 }
 
 QString FlatpakBackend::displayName() const
 {
     return QStringLiteral("Flatpak");
 }
 
 #include "FlatpakBackend.moc"