C++ CFileItemPtr::IsAlbum方法代码示例

void CFileItemHandler::HandleFileItem(const char *ID, bool allowFile, const char *resultname, CFileItemPtr item, const CVariant &parameterObject, const std::set<std::string> &validFields, CVariant &result, bool append /* = true */, CThumbLoader *thumbLoader /* = NULL */)
{
  CVariant object;
  std::set<std::string> fields(validFields.begin(), validFields.end());

  if (item.get())
  {
    std::set<std::string>::const_iterator fileField = fields.find("file");
    if (fileField != fields.end())
    {
      if (allowFile)
      {
        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();
      }
      fields.erase(fileField);
    }

    if (ID)
    {
      if (item->HasPVRChannelInfoTag() && item->GetPVRChannelInfoTag()->ChannelID() > 0)
         object[ID] = item->GetPVRChannelInfoTag()->ChannelID();
      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->HasPVRChannelInfoTag())
          object["type"] = "channel";
        else if (item->HasMusicInfoTag())
        {
          if (item->m_bIsFolder && item->IsAlbum())
            object["type"] = "album";
          else
            object["type"] = "song";
        }
        else if (item->HasVideoInfoTag() && !item->GetVideoInfoTag()->m_type.empty())
        {
          std::string type = item->GetVideoInfoTag()->m_type;
          if (type == "movie" || type == "tvshow" || type == "episode" || type == "musicvideo")
            object["type"] = type;
        }
        else if (item->HasPictureInfoTag())
          object["type"] = "picture";

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

    bool deleteThumbloader = false;
    if (thumbLoader == NULL)
    {
      if (item->HasVideoInfoTag())
        thumbLoader = new CVideoThumbLoader();
      else if (item->HasMusicInfoTag())
        thumbLoader = new CMusicThumbLoader();

      if (thumbLoader != NULL)
      {
        deleteThumbloader = true;
        thumbLoader->Initialize();
      }
    }

    if (item->HasPVRChannelInfoTag())
      FillDetails(item->GetPVRChannelInfoTag(), item, fields, object, thumbLoader);
    if (item->HasVideoInfoTag())
      FillDetails(item->GetVideoInfoTag(), item, fields, object, thumbLoader);
    if (item->HasMusicInfoTag())
      FillDetails(item->GetMusicInfoTag(), item, fields, object, thumbLoader);
    if (item->HasPictureInfoTag())
      FillDetails(item->GetPictureInfoTag(), item, fields, object, thumbLoader);
    
    FillDetails(item.get(), item, fields, object, thumbLoader);

    if (deleteThumbloader)
      delete thumbLoader;

    object["label"] = item->GetLabel().c_str();
  }
  else
    object = CVariant(CVariant::VariantTypeNull);

  if (resultname)
  {
    if (append)
      result[resultname].append(object);
    else
      result[resultname] = object;
  }
}

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())
      {
        CStdString strPath, strFileName;
        URIUtils::Split(item->GetCachedVideoThumb(), strPath, strFileName);
        CStdString cachedThumb = strPath + "auto-" + strFileName;

        if (CFile::Exists(cachedThumb))
          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.........

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

  CVariant serialization;
  info->Serialize(serialization);

  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;
        }
        /* This would break backwards compatibility to JSON-RPC API v4
        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;
        }
      }

      /* This would break backwards compatibility to JSON-RPC API v4
      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 == "fanart" && !item->HasPictureInfoTag())
      {
        CStdString fanart;
        if (item->HasProperty("fanart_image"))
          fanart = item->GetProperty("fanart_image").asString();
        if (fanart.empty())
          fanart = item->GetCachedFanart();
        if (!fanart.empty())
          result["fanart"] = fanart.c_str();

        continue;
      }

      if (item->HasVideoInfoTag() && item->GetVideoContentType() == VIDEODB_CONTENT_TVSHOWS)
      {
        if (item->GetVideoInfoTag()->m_iSeason < 0 && field == "season")
        {
          result[field] = (int)item->GetProperty("totalseasons").asInteger();
          continue;
        }
        if (field == "watchedepisodes")
        {
          result[field] = (int)item->GetProperty("watchedepisodes").asInteger();
          continue;
        }
      }

      if (field == "lastmodified" && item->m_dateTime.IsValid())
      {
        result[field] = item->m_dateTime.GetAsLocalizedDateTime();
        continue;
      }
    }

    if (serialization.isMember(field) && (!result.isMember(field) || result[field].empty()))
      result[field] = serialization[field];
  }
}

bool CFileItemHandler::GetField(const std::string &field, const CVariant &info, const CFileItemPtr &item, CVariant &result, bool &fetchedArt, CThumbLoader *thumbLoader /* = NULL */)
{
  if (result.isMember(field) && !result[field].empty())
    return true;

  // overwrite serialized values
  if (item)
  {
    if (field == "mimetype" && item->GetMimeType().empty())
    {
      item->FillInMimeType(false);
      result[field] = item->GetMimeType();
      return true;
    }
  }

  // check for serialized values
  if (info.isMember(field) && !info[field].isNull())
  {
    result[field] = info[field];
    return true;
  }

  // check if the field requires special handling
  if (item)
  {
    if (item->IsAlbum())
    {
      if (field == "albumlabel")
      {
        result[field] = item->GetProperty("album_label");
        return true;
      }
      if (item->HasProperty("album_" + field + "_array"))
      {
        result[field] = item->GetProperty("album_" + field + "_array");
        return true;
      }
      if (item->HasProperty("album_" + field))
      {
        result[field] = item->GetProperty("album_" + field);
        return true;
      }
    }
    
    if (item->HasProperty("artist_" + field + "_array"))
    {
      result[field] = item->GetProperty("artist_" + field + "_array");
      return true;
    }
    if (item->HasProperty("artist_" + field))
    {
      result[field] = item->GetProperty("artist_" + field);
      return true;
    }

    if (field == "art")
    {
      if (thumbLoader != NULL && item->GetArt().size() <= 0 && !fetchedArt &&
        ((item->HasVideoInfoTag() && item->GetVideoInfoTag()->m_iDbId > -1) || (item->HasMusicInfoTag() && item->GetMusicInfoTag()->GetDatabaseId() > -1)))
      {
        thumbLoader->FillLibraryArt(*item);
        fetchedArt = true;
      }

      CGUIListItem::ArtMap artMap = item->GetArt();
      CVariant artObj(CVariant::VariantTypeObject);
      for (CGUIListItem::ArtMap::const_iterator artIt = artMap.begin(); artIt != artMap.end(); ++artIt)
      {
        if (!artIt->second.empty())
          artObj[artIt->first] = CTextureUtils::GetWrappedImageURL(artIt->second);
      }

      result["art"] = artObj;
      return true;
    }
    
    if (field == "thumbnail")
    {
      if (thumbLoader != NULL && !item->HasArt("thumb") && !fetchedArt &&
        ((item->HasVideoInfoTag() && item->GetVideoInfoTag()->m_iDbId > -1) || (item->HasMusicInfoTag() && item->GetMusicInfoTag()->GetDatabaseId() > -1)))
      {
        thumbLoader->FillLibraryArt(*item);
        fetchedArt = true;
      }
      else if (item->HasPictureInfoTag() && !item->HasArt("thumb"))
        item->SetArt("thumb", CTextureUtils::GetWrappedThumbURL(item->GetPath()));
      
      if (item->HasArt("thumb"))
        result["thumbnail"] = CTextureUtils::GetWrappedImageURL(item->GetArt("thumb"));
      else
        result["thumbnail"] = "";
      
      return true;
    }
    
    if (field == "fanart")
    {
      if (thumbLoader != NULL && !item->HasArt("fanart") && !fetchedArt &&
        ((item->HasVideoInfoTag() && item->GetVideoInfoTag()->m_iDbId > -1) || (item->HasMusicInfoTag() && item->GetMusicInfoTag()->GetDatabaseId() > -1)))
//.........这里部分代码省略.........