bool BufferFilterModel::filterAcceptsRow(int sourceRow, const QModelIndex& sourceParent) const
{
    if (m_status == 0 && m_filter.isEmpty())
        return true;

    QModelIndex index = sourceModel()->index(sourceRow, 0, sourceParent);
    IrcBuffer* buffer = index.data(Irc::BufferRole).value<IrcBuffer*>();
    if (buffer && !buffer->isSticky()) {
        if (!m_filter.isEmpty() && !buffer->title().contains(m_filter, Qt::CaseInsensitive))
            return false;
        if (m_status > 0) {
            MessageModel* model = m_storage->model(buffer);
            if (model) {
                if (m_status == 1 && model->badge() <= 0)
                    return false;
                if (m_status == 2 && model->activeHighlights() <= 0)
                    return false;
            }
        }
    }
    return true;
}