Method getIcon

launcher/ui/pages/modplatform/ResourceModel.cpp:318–360

}

std::optional<QIcon> ResourceModel::getIcon(QModelIndex& index, const QUrl& url)
{
    QPixmap pixmap;
    if (QPixmapCache::find(url.toString(), &pixmap))
        return { pixmap };

    if (!m_current_icon_job) {
        m_current_icon_job.reset(new NetJob("IconJob", APPLICATION->network()));
        m_current_icon_job->setAskRetry(false);
    }

    if (m_currently_running_icon_actions.contains(url))
        return {};
    if (m_failed_icon_actions.contains(url))
        return {};

    auto cache_entry = APPLICATION->metacache()->resolveEntry(
        metaEntryBase(),
        QString("logos/%1").arg(QString(QCryptographicHash::hash(url.toEncoded(), QCryptographicHash::Algorithm::Sha1).toHex())));
    auto icon_fetch_action = Net::ApiDownload::makeCached(url, cache_entry);

    auto full_file_path = cache_entry->getFullPath();
    connect(icon_fetch_action.get(), &Task::succeeded, this, [=] {
        auto icon = QIcon(full_file_path);
        QPixmapCache::insert(url.toString(), icon.pixmap(icon.actualSize({ 64, 64 })));

        m_currently_running_icon_actions.remove(url);

        emit dataChanged(index, index, { Qt::DecorationRole });
    });
    connect(icon_fetch_action.get(), &Task::failed, this, [=] {
        m_currently_running_icon_actions.remove(url);
        m_failed_icon_actions.insert(url);
    });

    m_currently_running_icon_actions.insert(url);

    m_current_icon_job->addNetAction(icon_fetch_action);
    if (!m_current_icon_job->isRunning())
        QMetaObject::invokeMethod(m_current_icon_job.get(), &NetJob::start);

    return {};
}

// No 'forgor to implement' shall pass here :blobfox_knife:
#define NEED_FOR_CALLBACK_ASSERT(name) \