C++ (Cpp) PulseSupport::objectIndexesByCategory Examples

Example #1

File: globalconfig.cpp Project: Akheon23/chromecast-mirrored-source.vendor

static QList<int> sortDevicesByCategoryPriority(const GlobalConfig *config, const QSettingsGroup *backendConfig, ObjectDescriptionType type, Phonon::Category category, QList<int> &defaultList)
{
    Q_ASSERT(config);
    Q_ASSERT(backendConfig);
    Q_ASSERT(type == AudioOutputDeviceType || type == AudioCaptureDeviceType);

    if (defaultList.size() <= 1) {
        // nothing to sort
        return defaultList;
    } else {
        // make entries unique
        QSet<int> seen;
        QMutableListIterator<int> it(defaultList);
        while (it.hasNext()) {
            if (seen.contains(it.next())) {
                it.remove();
            } else {
                seen.insert(it.value());
            }
        }
    }

    QList<int> deviceList;
    PulseSupport *pulse = PulseSupport::getInstance();
    if (pulse->isActive()) {
        deviceList = pulse->objectIndexesByCategory(type, category);
    } else {
        QString categoryKey = QLatin1String("Category_") + QString::number(static_cast<int>(category));
        if (!backendConfig->hasKey(categoryKey)) {
            // no list in config for the given category
            categoryKey = QLatin1String("Category_") + QString::number(static_cast<int>(Phonon::NoCategory));
            if (!backendConfig->hasKey(categoryKey)) {
                // no list in config for NoCategory
                return defaultList;
            }
        }

        //Now the list from d->config
        deviceList = backendConfig->value(categoryKey, QList<int>());
    }

    //if there are devices in d->config that the backend doesn't report, remove them from the list
    QMutableListIterator<int> i(deviceList);
    while (i.hasNext()) {
        if (0 == defaultList.removeAll(i.next())) {
            i.remove();
        }
    }

    //if the backend reports more devices that are not in d->config append them to the list
    deviceList += defaultList;

    return deviceList;
}