C++ CFileItemPtr::GetThumbnailImage方法代码示例

void CFileItemHandler::HandleFileItem(const char *ID, bool allowFile, const char *resultname, CFileItemPtr item, const CVariant &parameterObject, const CVariant &validFields, CVariant &result, bool append /* = true */)
{
  CVariant object;
  bool hasFileField = false;
  bool hasThumbnailField = false;

  if (item.get())
  {
    for (unsigned int i = 0; i < validFields.size(); i++)
    {
      CStdString field = validFields[i].asString();

      if (field == "file")
        hasFileField = true;
      if (field == "thumbnail")
        hasThumbnailField = true;
    }

    if (allowFile && hasFileField)
    {
      if (item->HasVideoInfoTag() && !item->GetVideoInfoTag()->GetPath().IsEmpty())
          object["file"] = item->GetVideoInfoTag()->GetPath().c_str();
      if (item->HasMusicInfoTag() && !item->GetMusicInfoTag()->GetURL().IsEmpty())
        object["file"] = item->GetMusicInfoTag()->GetURL().c_str();

      if (!object.isMember("file"))
        object["file"] = item->GetPath().c_str();
    }

    if (ID)
    {
      if (stricmp(ID, "genreid") == 0)
      {
        CStdString genre = item->GetPath();
        genre.TrimRight('/');
        object[ID] = atoi(genre.c_str());
      }
      else if (item->HasMusicInfoTag() && item->GetMusicInfoTag()->GetDatabaseId() > 0)
        object[ID] = (int)item->GetMusicInfoTag()->GetDatabaseId();
      else if (item->HasVideoInfoTag() && item->GetVideoInfoTag()->m_iDbId > 0)
        object[ID] = item->GetVideoInfoTag()->m_iDbId;

      if (stricmp(ID, "id") == 0)
      {
        if (item->HasMusicInfoTag())
          object["type"] = "song";
        else if (item->HasVideoInfoTag())
        {
          switch (item->GetVideoContentType())
          {
            case VIDEODB_CONTENT_EPISODES:
              object["type"] = "episode";
              break;

            case VIDEODB_CONTENT_MUSICVIDEOS:
              object["type"] = "musicvideo";
              break;

            case VIDEODB_CONTENT_MOVIES:
              object["type"] = "movie";
              break;
          }
        }
        else if (item->HasPictureInfoTag())
          object["type"] = "picture";

        if (!object.isMember("type"))
          object["type"] = "unknown";
      }
    }

    if (hasThumbnailField)
    {
      if (item->HasThumbnail())
        object["thumbnail"] = item->GetThumbnailImage().c_str();
      else if (item->HasVideoInfoTag())
      {
        CStdString strPath, strFileName;
        URIUtils::Split(item->GetCachedVideoThumb(), strPath, strFileName);
        CStdString cachedThumb = strPath + "auto-" + strFileName;

        if (CFile::Exists(cachedThumb))
          object["thumbnail"] = cachedThumb;
      }

      if (!object.isMember("thumbnail"))
        object["thumbnail"] = "";
    }

    if (item->HasVideoInfoTag())
      FillDetails(item->GetVideoInfoTag(), item, validFields, object);
    if (item->HasMusicInfoTag())
      FillDetails(item->GetMusicInfoTag(), item, validFields, object);
    if (item->HasPictureInfoTag())
      FillDetails(item->GetPictureInfoTag(), item, validFields, object);

    object["label"] = item->GetLabel().c_str();
  }
  else
    object = CVariant(CVariant::VariantTypeNull);
//.........这里部分代码省略.........

int CMusicInfoScanner::RetrieveMusicInfo(CFileItemList& items, const CStdString& strDirectory)
{
  CSongMap songsMap;

  // get all information for all files in current directory from database, and remove them
  if (m_musicDatabase.RemoveSongsFromPath(strDirectory, songsMap))
    m_needsCleanup = true;

  VECSONGS songsToAdd;

  CStdStringArray regexps = g_advancedSettings.m_audioExcludeFromScanRegExps;

  // for every file found, but skip folder
  for (int i = 0; i < items.Size(); ++i)
  {
    CFileItemPtr pItem = items[i];
    CStdString strExtension;
    URIUtils::GetExtension(pItem->GetPath(), strExtension);

    if (m_bStop)
      return 0;

    // Discard all excluded files defined by m_musicExcludeRegExps
    if (CUtil::ExcludeFileOrFolder(pItem->GetPath(), regexps))
      continue;

    // dont try reading id3tags for folders, playlists or shoutcast streams
    if (!pItem->m_bIsFolder && !pItem->IsPlayList() && !pItem->IsPicture() && !pItem->IsLyrics() )
    {
      m_currentItem++;
//      CLog::Log(LOGDEBUG, "%s - Reading tag for: %s", __FUNCTION__, pItem->GetPath().c_str());

      // grab info from the song
      CSong *dbSong = songsMap.Find(pItem->GetPath());

      CMusicInfoTag& tag = *pItem->GetMusicInfoTag();
      if (!tag.Loaded() )
      { // read the tag from a file
        auto_ptr<IMusicInfoTagLoader> pLoader (CMusicInfoTagLoaderFactory::CreateLoader(pItem->GetPath()));
        if (NULL != pLoader.get())
          pLoader->Load(pItem->GetPath(), tag);
      }

      // if we have the itemcount, notify our
      // observer with the progress we made
      if (m_pObserver && m_itemCount>0)
        m_pObserver->OnSetProgress(m_currentItem, m_itemCount);

      if (tag.Loaded())
      {
        CSong song(tag);

        // ensure our song has a valid filename or else it will assert in AddSong()
        if (song.strFileName.IsEmpty())
        {
          // copy filename from path in case UPnP or other tag loaders didn't specify one (FIXME?)
          song.strFileName = pItem->GetPath();

          // if we still don't have a valid filename, skip the song
          if (song.strFileName.IsEmpty())
          {
            // this shouldn't ideally happen!
            CLog::Log(LOGERROR, "Skipping song since it doesn't seem to have a filename");
            continue;
          }
        }

        song.iStartOffset = pItem->m_lStartOffset;
        song.iEndOffset = pItem->m_lEndOffset;
        if (dbSong)
        { // keep the db-only fields intact on rescan...
          song.iTimesPlayed = dbSong->iTimesPlayed;
          song.lastPlayed = dbSong->lastPlayed;
          song.iKaraokeNumber = dbSong->iKaraokeNumber;

          if (song.rating == '0') song.rating = dbSong->rating;
        }
        pItem->SetMusicThumb();
        song.strThumb = pItem->GetThumbnailImage();
        songsToAdd.push_back(song);
//        CLog::Log(LOGDEBUG, "%s - Tag loaded for: %s", __FUNCTION__, pItem->GetPath().c_str());
      }
      else
        CLog::Log(LOGDEBUG, "%s - No tag found for: %s", __FUNCTION__, pItem->GetPath().c_str());
    }
  }

  CheckForVariousArtists(songsToAdd);
  if (!items.HasThumbnail())
    UpdateFolderThumb(songsToAdd, items.GetPath());

  // finally, add these to the database
  set<CStdString> artistsToScan;
  set< pair<CStdString, CStdString> > albumsToScan;
  m_musicDatabase.BeginTransaction();
  for (unsigned int i = 0; i < songsToAdd.size(); ++i)
  {
    if (m_bStop)
    {
      m_musicDatabase.RollbackTransaction();
//.........这里部分代码省略.........

bool CRecentlyAddedJob::UpdateVideo()
{
  CGUIWindow* home = g_windowManager.GetWindow(WINDOW_HOME);

  if ( home == NULL )
    return false;

  CLog::Log(LOGDEBUG, "CRecentlyAddedJob::UpdateVideos() - Running RecentlyAdded home screen update");
  
  int            i = 0;
  CFileItemList  items;
  CVideoDatabase videodatabase;
  
  videodatabase.Open();

  if (videodatabase.GetRecentlyAddedMoviesNav("videodb://4/", items, NUM_ITEMS))
  {  
    for (; i < items.Size(); ++i)
    {
      CFileItemPtr item = items.Get(i);
      CStdString   value;
      CStdString   strRating;
      value.Format("%i", i + 1);
      strRating.Format("%.1f", item->GetVideoInfoTag()->m_fRating);
      
      home->SetProperty("LatestMovie." + value + ".Title"       , item->GetLabel());
      home->SetProperty("LatestMovie." + value + ".Rating"      , strRating);
      home->SetProperty("LatestMovie." + value + ".Year"        , item->GetVideoInfoTag()->m_iYear);
      home->SetProperty("LatestMovie." + value + ".Plot"        , item->GetVideoInfoTag()->m_strPlot);
      home->SetProperty("LatestMovie." + value + ".RunningTime" , item->GetVideoInfoTag()->m_strRuntime);
      home->SetProperty("LatestMovie." + value + ".Path"        , item->GetVideoInfoTag()->m_strFileNameAndPath);
      home->SetProperty("LatestMovie." + value + ".Trailer"     , item->GetVideoInfoTag()->m_strTrailer);

      if (!item->HasThumbnail())
        m_thumbLoader.LoadItem(item.get());

      home->SetProperty("LatestMovie." + value + ".Thumb"       , item->GetThumbnailImage());
      home->SetProperty("LatestMovie." + value + ".Fanart"      , item->GetProperty("fanart_image"));
    }
  } 
  for (; i < NUM_ITEMS; ++i)
  {
    CStdString value;
    value.Format("%i", i + 1);
    home->SetProperty("LatestMovie." + value + ".Title"       , "");
    home->SetProperty("LatestMovie." + value + ".Thumb"       , "");
    home->SetProperty("LatestMovie." + value + ".Rating"      , "");
    home->SetProperty("LatestMovie." + value + ".Year"        , "");
    home->SetProperty("LatestMovie." + value + ".Plot"        , "");
    home->SetProperty("LatestMovie." + value + ".RunningTime" , "");
    home->SetProperty("LatestMovie." + value + ".Path"        , "");
    home->SetProperty("LatestMovie." + value + ".Trailer"     , "");
    home->SetProperty("LatestMovie." + value + ".Fanart"      , "");
  }
 
  i = 0;
  CFileItemList  TVShowItems; 
 
  if (videodatabase.GetRecentlyAddedEpisodesNav("videodb://5/", TVShowItems, NUM_ITEMS))
  {
    for (; i < TVShowItems.Size(); ++i)
    {    
      CFileItemPtr item          = TVShowItems.Get(i);
      int          EpisodeSeason = item->GetVideoInfoTag()->m_iSeason;
      int          EpisodeNumber = item->GetVideoInfoTag()->m_iEpisode;
      CStdString   EpisodeNo;
      CStdString   value;
      CStdString   strRating;
      EpisodeNo.Format("s%02de%02d", EpisodeSeason, EpisodeNumber);
      value.Format("%i", i + 1);
      strRating.Format("%.1f", item->GetVideoInfoTag()->m_fRating);

      CFileItem show(item->GetVideoInfoTag()->m_strShowPath, true);

      home->SetProperty("LatestEpisode." + value + ".ShowTitle"     , item->GetVideoInfoTag()->m_strShowTitle);
      home->SetProperty("LatestEpisode." + value + ".EpisodeTitle"  , item->GetVideoInfoTag()->m_strTitle);
      home->SetProperty("LatestEpisode." + value + ".Rating"        , strRating);      
      home->SetProperty("LatestEpisode." + value + ".Plot"          , item->GetVideoInfoTag()->m_strPlot);
      home->SetProperty("LatestEpisode." + value + ".EpisodeNo"     , EpisodeNo);
      home->SetProperty("LatestEpisode." + value + ".EpisodeSeason" , EpisodeSeason);
      home->SetProperty("LatestEpisode." + value + ".EpisodeNumber" , EpisodeNumber);
      home->SetProperty("LatestEpisode." + value + ".Path"          , item->GetVideoInfoTag()->m_strFileNameAndPath);

      if (!item->HasThumbnail())
        m_thumbLoader.LoadItem(item.get());

      std::string seasonThumb;
      if (item->GetVideoInfoTag()->m_iIdSeason > 0)
        seasonThumb = videodatabase.GetArtForItem(item->GetVideoInfoTag()->m_iIdSeason, "season", "thumb");

      home->SetProperty("LatestEpisode." + value + ".Thumb"         , item->GetThumbnailImage());
      home->SetProperty("LatestEpisode." + value + ".ShowThumb"     , item->GetProperty("tvshowthumb"));
      home->SetProperty("LatestEpisode." + value + ".SeasonThumb"   , seasonThumb);
      home->SetProperty("LatestEpisode." + value + ".Fanart"        , item->GetProperty("fanart_image"));
    }
  } 
  for (; i < NUM_ITEMS; ++i)
  {
    CStdString value;
    value.Format("%i", i + 1);
//.........这里部分代码省略.........

bool CRecentlyAddedJob::UpdateMusic()
{
  CGUIWindow* home = g_windowManager.GetWindow(WINDOW_HOME);
  
  if ( home == NULL )
    return false;
  
  CLog::Log(LOGDEBUG, "CRecentlyAddedJob::UpdateMusic() - Running RecentlyAdded home screen update");
  
  int            i = 0;
  CFileItemList  musicItems;
  CMusicDatabase musicdatabase;
  CMusicThumbLoader loader;
  
  musicdatabase.Open();
  
  if (musicdatabase.GetRecentlyAddedAlbumSongs("musicdb://", musicItems, NUM_ITEMS))
  {
    long idAlbum = -1;
    CStdString strAlbumThumb;
    CStdString strAlbumFanart;
    for (; i < musicItems.Size(); ++i)
    {
      CFileItemPtr item = musicItems.Get(i);
      CStdString   value;
      value.Format("%i", i + 1);
      
      CStdString   strRating;
      CStdString   strAlbum  = item->GetMusicInfoTag()->GetAlbum();
      CStdString   strArtist = StringUtils::Join(item->GetMusicInfoTag()->GetArtist(), g_advancedSettings.m_musicItemSeparator);

      if (idAlbum != item->GetMusicInfoTag()->GetAlbumId())
      {
        strAlbumThumb.clear();
        strAlbumFanart.clear();
        idAlbum = item->GetMusicInfoTag()->GetAlbumId();

        if (loader.LoadItem(item.get()))
        {
          strAlbumThumb = item->GetThumbnailImage();
          strAlbumFanart = item->GetProperty("fanart_image").asString();
        }
      }

      strRating.Format("%c", item->GetMusicInfoTag()->GetRating());
      
      home->SetProperty("LatestSong." + value + ".Title"   , item->GetMusicInfoTag()->GetTitle());
      home->SetProperty("LatestSong." + value + ".Year"    , item->GetMusicInfoTag()->GetYear());
      home->SetProperty("LatestSong." + value + ".Artist"  , strArtist);      
      home->SetProperty("LatestSong." + value + ".Album"   , strAlbum);
      home->SetProperty("LatestSong." + value + ".Rating"  , strRating);
      home->SetProperty("LatestSong." + value + ".Path"    , item->GetMusicInfoTag()->GetURL());
      home->SetProperty("LatestSong." + value + ".Thumb"   , strAlbumThumb);
      home->SetProperty("LatestSong." + value + ".Fanart"  , strAlbumFanart);
    }
  }
  for (; i < NUM_ITEMS; ++i)
  {
    CStdString value;
    value.Format("%i", i + 1);
    home->SetProperty("LatestSong." + value + ".Title"   , "");
    home->SetProperty("LatestSong." + value + ".Year"    , "");
    home->SetProperty("LatestSong." + value + ".Artist"  , "");      
    home->SetProperty("LatestSong." + value + ".Album"   , "");
    home->SetProperty("LatestSong." + value + ".Rating"  , "");
    home->SetProperty("LatestSong." + value + ".Path"    , "");
    home->SetProperty("LatestSong." + value + ".Thumb"   , "");
    home->SetProperty("LatestSong." + value + ".Fanart"  , "");
  }
  
  i = 0;
  VECALBUMS albums;
  
  if (musicdatabase.GetRecentlyAddedAlbums(albums, NUM_ITEMS))
  { 
    for (; i < (int)albums.size(); ++i)
    {
      CStdString value;
      CStdString strPath;
      CStdString strThumb;
      CStdString strFanart;
      CStdString strDBpath;
      CStdString strSQLAlbum;
      CAlbum&    album=albums[i];     

      value.Format("%i", i + 1);
      strThumb = musicdatabase.GetArtForItem(album.idAlbum, "album", "thumb");
      strFanart = musicdatabase.GetArtistArtForItem(album.idAlbum, "album", "fanart");
      strDBpath.Format("musicdb://3/%i/", album.idAlbum);
      strSQLAlbum.Format("idAlbum=%i", album.idAlbum);
      
      CStdString strArtist = musicdatabase.GetSingleValue("albumview", "strArtists", strSQLAlbum);
      
      home->SetProperty("LatestAlbum." + value + ".Title"   , album.strAlbum);
      home->SetProperty("LatestAlbum." + value + ".Year"    , album.iYear);
      home->SetProperty("LatestAlbum." + value + ".Artist"  , strArtist);      
      home->SetProperty("LatestAlbum." + value + ".Rating"  , album.iRating);
      home->SetProperty("LatestAlbum." + value + ".Path"    , strDBpath);
      home->SetProperty("LatestAlbum." + value + ".Thumb"   , strThumb);
      home->SetProperty("LatestAlbum." + value + ".Fanart"  , strFanart);
//.........这里部分代码省略.........

void CFileItemHandler::FillDetails(ISerializable* info, CFileItemPtr item, const CVariant& fields, CVariant &result)
{
  if (info == NULL || fields.size() == 0)
    return;

  CVariant serialization;
  info->Serialize(serialization);

  bool fetchedArt = false;

  for (unsigned int i = 0; i < fields.size(); i++)
  {
    CStdString field = fields[i].asString();

    if (item)
    {
      if (item->IsAlbum() && field.Equals("albumlabel"))
        field = "label";
      if (item->IsAlbum())
      {
        if (field == "label")
        {
          result["albumlabel"] = item->GetProperty("album_label");
          continue;
        }
        if (item->HasProperty("album_" + field + "_array"))
        {
          result[field] = item->GetProperty("album_" + field + "_array");
          continue;
        }
        if (item->HasProperty("album_" + field))
        {
          result[field] = item->GetProperty("album_" + field);
          continue;
        }
      }

      if (item->HasProperty("artist_" + field + "_array"))
      {
        result[field] = item->GetProperty("artist_" + field + "_array");
        continue;
      }
      if (item->HasProperty("artist_" + field))
      {
        result[field] = item->GetProperty("artist_" + field);
        continue;
      }

      if (field == "thumbnail")
      {
        if (item->HasVideoInfoTag())
        {
          if (!item->HasThumbnail() && !fetchedArt && item->GetVideoInfoTag()->m_iDbId > -1)
          {
            CVideoThumbLoader loader;
            loader.FillLibraryArt(item.get());
            fetchedArt = true;
          }
        }
        else if (item->HasPictureInfoTag())
        {
          if (!item->HasThumbnail())
            item->SetThumbnailImage(CTextureCache::GetWrappedThumbURL(item->GetPath()));
        }
        else if (item->HasMusicInfoTag())
        {
          if (!item->HasThumbnail() && !fetchedArt && item->GetMusicInfoTag()->GetDatabaseId() > -1)
          {
            CMusicThumbLoader loader;
            loader.FillLibraryArt(*item);
            fetchedArt = true;
          }
        }
        if (item->HasThumbnail())
          result["thumbnail"] = CTextureCache::GetWrappedImageURL(item->GetThumbnailImage());
        if (!result.isMember("thumbnail"))
          result["thumbnail"] = "";
        continue;
      }

      if (field == "fanart")
      {
        if (item->HasVideoInfoTag())
        {
          if (!item->HasProperty("fanart_image") && !fetchedArt && item->GetVideoInfoTag()->m_iDbId > -1)
          {
            CVideoThumbLoader loader;
            loader.FillLibraryArt(item.get());
            fetchedArt = true;
          }
          if (item->HasProperty("fanart_image"))
            result["fanart"] = CTextureCache::GetWrappedImageURL(item->GetProperty("fanart_image").asString());
        }
        else if (item->HasMusicInfoTag())
        {
          if (!item->HasProperty("fanart_image") && !fetchedArt && item->GetMusicInfoTag()->GetDatabaseId() > -1)
          {
            CMusicThumbLoader loader;
            loader.FillLibraryArt(*item);
            fetchedArt = true;
//.........这里部分代码省略.........

void CFileItemHandler::HandleFileItem(const char *ID, bool allowFile, const char *resultname, CFileItemPtr item, const CVariant &parameterObject, const CVariant &validFields, CVariant &result, bool append /* = true */)
{
  CVariant object;
  bool hasFileField = false;
  bool hasThumbnailField = false;

  if (item.get())
  {
    for (unsigned int i = 0; i < validFields.size(); i++)
    {
      CStdString field = validFields[i].asString();

      if (field == "file")
        hasFileField = true;
      if (field == "thumbnail")
        hasThumbnailField = true;
    }

    if (allowFile && hasFileField)
    {
      if (item->HasVideoInfoTag() && !item->GetVideoInfoTag()->GetPath().IsEmpty())
          object["file"] = item->GetVideoInfoTag()->GetPath().c_str();
      if (item->HasMusicInfoTag() && !item->GetMusicInfoTag()->GetURL().IsEmpty())
        object["file"] = item->GetMusicInfoTag()->GetURL().c_str();

      if (!object.isMember("file"))
        object["file"] = item->GetPath().c_str();
    }

    if (ID)
    {
      if (item->HasMusicInfoTag() && item->GetMusicInfoTag()->GetDatabaseId() > 0)
        object[ID] = (int)item->GetMusicInfoTag()->GetDatabaseId();
      else if (item->HasVideoInfoTag() && item->GetVideoInfoTag()->m_iDbId > 0)
        object[ID] = item->GetVideoInfoTag()->m_iDbId;

      if (stricmp(ID, "id") == 0)
      {
        if (item->HasMusicInfoTag())
        {
          if (item->m_bIsFolder && item->IsAlbum())
            object["type"] = "album";
          else
            object["type"] = "song";
        }
        else if (item->HasVideoInfoTag())
        {
          switch (item->GetVideoContentType())
          {
            case VIDEODB_CONTENT_EPISODES:
              object["type"] = "episode";
              break;

            case VIDEODB_CONTENT_MUSICVIDEOS:
              object["type"] = "musicvideo";
              break;

            case VIDEODB_CONTENT_MOVIES:
              object["type"] = "movie";
              break;

            case VIDEODB_CONTENT_TVSHOWS:
              object["type"] = "tvshow";
              break;

            default:
              break;
          }
        }
        else if (item->HasPictureInfoTag())
          object["type"] = "picture";

        if (!object.isMember("type"))
          object["type"] = "unknown";
      }
    }

    if (hasThumbnailField)
    {
      if (item->HasThumbnail())
        object["thumbnail"] = CTextureCache::Get().CheckAndCacheImage(item->GetThumbnailImage());
      else if (item->HasVideoInfoTag())
      { // TODO: Should the JSON-API return actual image URLs, virtual thumb URLs, or local URLs to the cached image?
        //       ATM we return the latter
        CStdString thumbURL = CVideoThumbLoader::GetEmbeddedThumbURL(*item);
        CStdString cachedThumb = CTextureCache::Get().GetCachedImage(thumbURL);
        if (!cachedThumb.IsEmpty())
          object["thumbnail"] = cachedThumb;
      }
      else if (item->HasPictureInfoTag())
      {
        CStdString thumb = CTextureCache::Get().CheckAndCacheImage(CTextureCache::GetWrappedThumbURL(item->GetPath()));
        if (!thumb.empty())
          object["thumbnail"] = thumb;
      }

      if (!object.isMember("thumbnail"))
        object["thumbnail"] = "";
    }

//.........这里部分代码省略.........

//.........这里部分代码省略.........
    SetDefault(type, share->strName);
    return true;

  case CONTEXT_BUTTON_CLEAR_DEFAULT:
    if (g_settings.GetCurrentProfile().canWriteSources() && !g_passwordManager.IsProfileLockUnlocked())
      return false;
    else if (!g_passwordManager.IsMasterLockUnlocked(true))
      return false;
    // remove share default
    ClearDefault(type);
    return true;

  case CONTEXT_BUTTON_SET_THUMB:
    {
      if (g_settings.GetCurrentProfile().canWriteSources() && !g_passwordManager.IsProfileLockUnlocked())
        return false;
      else if (!g_passwordManager.IsMasterLockUnlocked(true))
        return false;

      // setup our thumb list
      CFileItemList items;

      // add the current thumb, if available
      if (!share->m_strThumbnailImage.IsEmpty())
      {
        CFileItemPtr current(new CFileItem("thumb://Current", false));
        current->SetThumbnailImage(share->m_strThumbnailImage);
        current->SetLabel(g_localizeStrings.Get(20016));
        items.Add(current);
      }
      else if (item->HasThumbnail())
      { // already have a thumb that the share doesn't know about - must be a local one, so we mayaswell reuse it.
        CFileItemPtr current(new CFileItem("thumb://Current", false));
        current->SetThumbnailImage(item->GetThumbnailImage());
        current->SetLabel(g_localizeStrings.Get(20016));
        items.Add(current);
      }
      // see if there's a local thumb for this item
      CStdString folderThumb = item->GetFolderThumb();
      if (XFILE::CFile::Exists(folderThumb))
      {
        CFileItemPtr local(new CFileItem("thumb://Local", false));
        local->SetThumbnailImage(folderThumb);
        local->SetLabel(g_localizeStrings.Get(20017));
        items.Add(local);
      }
      // and add a "no thumb" entry as well
      CFileItemPtr nothumb(new CFileItem("thumb://None", false));
      nothumb->SetIconImage(item->GetIconImage());
      nothumb->SetLabel(g_localizeStrings.Get(20018));
      items.Add(nothumb);

      CStdString strThumb;
      VECSOURCES shares;
      g_mediaManager.GetLocalDrives(shares);
      if (!CGUIDialogFileBrowser::ShowAndGetImage(items, shares, g_localizeStrings.Get(1030), strThumb))
        return false;

      if (strThumb == "thumb://Current")
        return true;

      if (strThumb == "thumb://Local")
        strThumb = folderThumb;

      if (strThumb == "thumb://None")
        strThumb = "";

//.........这里部分代码省略.........
          if (pItem)
          {
            pItem->SetProperty("Changed", true);
            pItem->SetProperty("Name", pEdit->GetLabel2());
            m_bContainsChanges = true;
          }
        }
      }
      else if (iControl == BUTTON_CHANNEL_LOGO)
      {
        CFileItemPtr pItem = m_channelItems->Get(m_iSelected);

        if (!pItem)
          return false;
        if (g_settings.GetCurrentProfile().canWriteSources() && !g_passwordManager.IsProfileLockUnlocked())
          return false;
        else if (!g_passwordManager.IsMasterLockUnlocked(true))
          return false;

        // setup our thumb list
        CFileItemList items;

        // add the current thumb, if available
        if (!pItem->GetProperty("Icon").IsEmpty())
        {
          CFileItemPtr current(new CFileItem("thumb://Current", false));
          current->SetThumbnailImage(pItem->GetPVRChannelInfoTag()->IconPath());
          current->SetLabel(g_localizeStrings.Get(20016));
          items.Add(current);
        }
        else if (pItem->HasThumbnail())
        { // already have a thumb that the share doesn't know about - must be a local one, so we mayaswell reuse it.
          CFileItemPtr current(new CFileItem("thumb://Current", false));
          current->SetThumbnailImage(pItem->GetThumbnailImage());
          current->SetLabel(g_localizeStrings.Get(20016));
          items.Add(current);
        }

        // and add a "no thumb" entry as well
        CFileItemPtr nothumb(new CFileItem("thumb://None", false));
        nothumb->SetIconImage(pItem->GetIconImage());
        nothumb->SetLabel(g_localizeStrings.Get(20018));
        items.Add(nothumb);

        CStdString strThumb;
        VECSOURCES shares;
        if (g_guiSettings.GetString("pvrmenu.iconpath") != "")
        {
          CMediaSource share1;
          share1.strPath = g_guiSettings.GetString("pvrmenu.iconpath");
          share1.strName = g_localizeStrings.Get(19018);
          shares.push_back(share1);
        }
        g_mediaManager.GetLocalDrives(shares);
        if (!CGUIDialogFileBrowser::ShowAndGetImage(items, shares, g_localizeStrings.Get(1030), strThumb))
          return false;

        if (strThumb == "thumb://Current")
          return true;

        if (strThumb == "thumb://None")
          strThumb = "";

        pItem->SetProperty("Icon", strThumb);
        pItem->SetProperty("Changed", true);
        m_bContainsChanges = true;