C++ VideoMetadataListManager::setList方法代码示例

void VideoListImp::buildFsysList()
{
    //
    //  Fill metadata from directory structure
    //

    typedef vector<pair<QString, QString> > node_to_path_list;

    node_to_path_list node_paths;

    QStringList dirs = GetVideoDirs();
    if (dirs.size() > 1)
    {
        for (QStringList::const_iterator iter = dirs.begin();
             iter != dirs.end(); ++iter)
        {
            node_paths.push_back(
                node_to_path_list::value_type(path_to_node_name(*iter),
                                              *iter));
        }
    }
    else
    {
        node_paths.push_back(
            node_to_path_list::value_type(QObject::tr("videos"), dirs[0]));
    }

    //
    // Add all root-nodes to the tree.
    //
    metadata_list ml;
    for (node_to_path_list::iterator p = node_paths.begin();
         p != node_paths.end(); ++p)
    {
        smart_dir_node root = m_metadata_tree.addSubDir(p->second, p->first);
        root->setPathRoot();

        buildFileList(root, ml, p->second);
    }

    // retrieve any MediaServer data that may be available
    if (UPNPScanner::Instance())
        UPNPScanner::Instance()->GetInitialMetadata(&ml, &m_metadata_tree);

    // See if we can find this filename in DB
    if (m_LoadMetaData)
    {
        // Load the DB data so metadata lookups work
        // TODO: ugly, pass the list
        VideoMetadataListManager mdlm;
        metadata_list db_metadata;
        VideoMetadataListManager::loadAllFromDatabase(db_metadata);
        mdlm.setList(db_metadata);
        for (metadata_list::iterator p = ml.begin(); p != ml.end(); ++p)
        {
            (*p)->FillDataFromFilename(mdlm);
        }
    }
    m_metadata.setList(ml);
}

void VideoListImp::buildTVList(void)
{
    metadata_list ml;
    VideoMetadataListManager::loadAllFromDatabase(ml);
    m_metadata.setList(ml);

    metadata_view_list mlist;
    mlist.reserve(m_metadata.getList().size());

    back_insert_iterator<metadata_view_list> mli(mlist);
    transform(m_metadata.getList().begin(), m_metadata.getList().end(),
              mli, to_metadata_ptr());

    metadata_path_sort mps(true);
    sort(mlist.begin(), mlist.end(), mps);

    typedef map<QString, meta_dir_node *> group_to_node_map;
    group_to_node_map gtnm;

    meta_dir_node *video_root = &m_metadata_tree;

    smart_dir_node sdn = video_root->addSubDir(QObject::tr("Television"));
    meta_dir_node* television_node = sdn.get();

    smart_dir_node vdn = video_root->addSubDir(QObject::tr("Movies"));
    meta_dir_node* movie_node = vdn.get();

    for (metadata_view_list::iterator p = mlist.begin(); p != mlist.end(); ++p)
    {
        VideoMetadata *data = *p;

        if (((*p)->GetSeason() > 0) || ((*p)->GetEpisode() > 0))
        {
            smart_dir_node sdn = television_node->addSubDir((*p)->GetTitle());
            meta_dir_node* title_node = sdn.get();

            smart_dir_node ssdn = title_node->addSubDir(
                QObject::tr("Season %1").arg((*p)->GetSeason()));
            meta_dir_node* season_node = ssdn.get();

            season_node->addEntry(smart_meta_node(new meta_data_node(data)));
        }
        else
            movie_node->addEntry(smart_meta_node(new meta_data_node(data)));
    }
}

void VideoListImp::buildDbList()
{
    metadata_list ml;
    VideoMetadataListManager::loadAllFromDatabase(ml);
    m_metadata.setList(ml);

    metadata_view_list mlist;
    mlist.reserve(m_metadata.getList().size());

    back_insert_iterator<metadata_view_list> mli(mlist);
    transform(m_metadata.getList().begin(), m_metadata.getList().end(),
              mli, to_metadata_ptr());

//    print_meta_list(mlist);

    metadata_path_sort mps(true);
    sort(mlist.begin(), mlist.end(), mps);

    // TODO: break out the prefix in the DB so this isn't needed
    typedef map<QString, meta_dir_node *> prefix_to_node_map;
    prefix_to_node_map ptnm;

    QStringList dirs = GetVideoDirs();

    if (dirs.isEmpty())
        return;

    QString test_prefix(dirs[0]);

    meta_dir_node *video_root = &m_metadata_tree;
    if (dirs.size() == 1)
    {
        video_root->setPathRoot();
        video_root->setPath(test_prefix);
        video_root->setName("videos");
        ptnm.insert(prefix_to_node_map::value_type(test_prefix, video_root));
    }

    for (metadata_view_list::iterator p = mlist.begin(); p != mlist.end(); ++p)
    {
        AddMetadataToDir(*p, video_root);
    }

//    print_dir_tree(m_metadata_tree); // AEW DEBUG
}

void VideoListImp::fillMetadata(metadata_list_type whence)
{
    if (m_metadata_list_type != whence)
    {
        m_metadata_list_type = whence;
        // flush existing data
        metadata_list ml;
        m_metadata.setList(ml);
        m_metadata_tree.clear();

        switch (whence)
        {
            case ltFileSystem:
                buildFsysList();
                break;
            case ltDBMetadata:
                buildDbList();
                break;
            case ltTVMetadata:
                buildTVList();
                break;
            case ltDBGenreGroup:
            case ltDBCategoryGroup:
            case ltDBYearGroup:
            case ltDBDirectorGroup:
            case ltDBStudioGroup:
            case ltDBCastGroup:
            case ltDBUserRatingGroup:
            case ltDBInsertDateGroup:
                buildGroupList(whence);
                break;
            case ltNone:
                break;
        }
    }
}

void VideoListImp::buildGroupList(metadata_list_type whence)
{
    metadata_list ml;
    VideoMetadataListManager::loadAllFromDatabase(ml);
    m_metadata.setList(ml);

    metadata_view_list mlist;
    mlist.reserve(m_metadata.getList().size());

    back_insert_iterator<metadata_view_list> mli(mlist);
    transform(m_metadata.getList().begin(), m_metadata.getList().end(),
              mli, to_metadata_ptr());

    metadata_path_sort mps(true);
    sort(mlist.begin(), mlist.end(), mps);

    typedef map<QString, meta_dir_node *> group_to_node_map;
    group_to_node_map gtnm;

    meta_dir_node *video_root = &m_metadata_tree;

    smart_dir_node sdn = video_root->addSubDir("All");
    meta_dir_node* all_group_node = sdn.get();

    for (metadata_view_list::iterator p = mlist.begin(); p != mlist.end(); ++p)
    {
        VideoMetadata *data = *p;

        all_group_node->addEntry(smart_meta_node(new meta_data_node(data)));

        vector<QString> groups;

        switch (whence)
        {
            case ltDBGenreGroup:
            {
                vector<pair <int, QString> > genres =
                    data->GetGenres();

                for (vector<pair <int, QString> >::iterator i =
                         genres.begin(); i != genres.end(); ++i)
                {
                    pair<int, QString> item = *i;
                    groups.push_back(item.second);
                }
                break;
            }
            case ltDBCategoryGroup:
            {
                groups.push_back(data->GetCategory());
                break;
            }
            case ltDBYearGroup:
            {
                groups.push_back(QString::number(data->GetYear()));
                break;
            }
            case ltDBDirectorGroup:
            {
                groups.push_back(data->GetDirector());
                break;
            }
            case ltDBStudioGroup:
            {
                groups.push_back(data->GetStudio());
                break;
            }
            case ltDBCastGroup:
            {
                vector<pair<int, QString> > cast = data->GetCast();

                for (vector<pair<int, QString> >::iterator i =
                         cast.begin(); i != cast.end(); ++i)
                {
                    pair<int, QString> item = *i;
                    groups.push_back(item.second);
                }
                break;
            }
            case ltDBUserRatingGroup:
            {
                int i = data->GetUserRating();
                groups.push_back(QString::number(i));
                break;
            }
            case ltDBInsertDateGroup:
            {
                QDate date = data->GetInsertdate();
                QString tmp = MythDate::toString(
                    date, MythDate::kDateFull | MythDate::kSimplify);
                groups.push_back(tmp);
                break;
            }
            default:
            {
                LOG(VB_GENERAL, LOG_ERR, "Invalid type of grouping");
                break;
            }
        }

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