C++ CGUIDialogMusicInfo::SetArtTypeList方法代码示例

  // Fetch full album/artist information including art types list
  bool DoWork() override
  {
    CGUIDialogMusicInfo *dialog = CServiceBroker::GetGUI()->GetWindowManager().
	  GetWindow<CGUIDialogMusicInfo>(WINDOW_DIALOG_MUSIC_INFO);
    if (!dialog)
      return false;
    if (dialog->IsCancelled())
      return false;
    CFileItemPtr m_item = dialog->GetCurrentListItem();
    CMusicInfoTag& tag = *m_item->GetMusicInfoTag();

    CMusicDatabase database;
    database.Open();
    // May only have partially populated item, so fetch all artist or album data from db
    if (tag.GetType() == MediaTypeArtist)
    {
      int artistId = tag.GetDatabaseId();
      CArtist artist;
      if (!database.GetArtist(artistId, artist))
        return false;
      tag.SetArtist(artist);
      CMusicDatabase::SetPropertiesFromArtist(*m_item, artist);
      m_item->SetLabel(artist.strArtist);

      // Get artist folder where local art could be found
      // Get the *name* of the folder for this artist within the Artist Info folder (may not exist).
      // If there is no Artist Info folder specified in settings this will be blank
      database.GetArtistPath(artist, artist.strPath);
      // Get the old location for those album artists with a unique folder (local to music files)
      // If there is no folder for the artist and *only* the artist this will be blank
      std::string oldartistpath;
      bool oldpathfound = database.GetOldArtistPath(artist.idArtist, oldartistpath);

      // Set up path for *item folder when browsing for art, by default this is
      // in the Artist Info Folder (when it exists), but could end up blank
      std::string artistItemPath = artist.strPath;
      if (!CDirectory::Exists(artistItemPath))
      {
        // Fall back local to music files (historic location for those album artists with a unique folder)
        // although there may not be such a unique folder for the arist
        if (oldpathfound)
          artistItemPath = oldartistpath;
        else
          // Fall back further to browse the Artist Info Folder itself
          artistItemPath = CServiceBroker::GetSettings().GetString(CSettings::SETTING_MUSICLIBRARY_ARTISTSFOLDER);
      }
      m_item->SetPath(artistItemPath);

      // Store info as CArtist as well as item properties
      dialog->SetArtist(artist, oldartistpath);

      // Fetch artist discography as scraped from online sources, but always
      // include all the albums in the music library
      dialog->SetDiscography(database);
    }
    else
    {
      // tag.GetType == MediaTypeAlbum
      int albumId = tag.GetDatabaseId();
      CAlbum album;
      if (!database.GetAlbum(albumId, album))
        return false;
      tag.SetAlbum(album);
      CMusicDatabase::SetPropertiesFromAlbum(*m_item, album);

      // Get album folder where local art could be found
      database.GetAlbumPath(albumId, album.strPath);
      // Set up path for *item folder when browsing for art
      m_item->SetPath(album.strPath);
      // Store info as CAlbum as well as item properties
      dialog->SetAlbum(album, album.strPath);

      // Set the list of songs and related art
      dialog->SetSongs(album.songs);
    }
    database.Close();

    /*
      Load current art (to CGUIListItem.m_art)
      For albums this includes related artist(s) art and artist fanart set as
      fallback album fanart.
      Clear item art first to ensure fresh not cached/partial art
    */
    m_item->ClearArt();
    CMusicThumbLoader loader;
    loader.LoadItem(m_item.get());

    // Fill vector of possible art types with current art, when it exists,
    // for display on the art type selection dialog
    CFileItemList artlist;
    MUSIC_UTILS::FillArtTypesList(*m_item, artlist);
    dialog->SetArtTypeList(artlist);
    if (dialog->IsCancelled())
      return false;

    // Tell waiting MusicDialog that job is complete
    dialog->FetchComplete();

    return true;
//.........这里部分代码省略.........