C++ CTextureDatabase::InvalidateCachedTexture方法代码示例

bool CRepositoryUpdateJob::DoWork()
{
  CLog::Log(LOGDEBUG, "CRepositoryUpdateJob[%s] checking for updates.", m_repo->ID().c_str());
  CAddonDatabase database;
  database.Open();

  std::string oldChecksum;
  if (database.GetRepoChecksum(m_repo->ID(), oldChecksum) == -1)
    oldChecksum = "";

  std::string newChecksum;
  VECADDONS addons;
  auto status = m_repo->FetchIfChanged(oldChecksum, newChecksum, addons);

  database.SetLastChecked(m_repo->ID(), m_repo->Version(),
      CDateTime::GetCurrentDateTime().GetAsDBDateTime());

  MarkFinished();

  if (status == CRepository::STATUS_ERROR)
    return false;

  if (status == CRepository::STATUS_NOT_MODIFIED)
  {
    CLog::Log(LOGDEBUG, "CRepositoryUpdateJob[%s] checksum not changed.", m_repo->ID().c_str());
    return true;
  }

  //Invalidate art.
  {
    CTextureDatabase textureDB;
    textureDB.Open();
    textureDB.BeginMultipleExecute();

    for (const auto& addon : addons)
    {
      AddonPtr oldAddon;
      if (database.GetAddon(addon->ID(), oldAddon) && addon->Version() > oldAddon->Version())
      {
        if (!oldAddon->Icon().empty() || !oldAddon->Art().empty() || !oldAddon->Screenshots().empty())
          CLog::Log(LOGDEBUG, "CRepository: invalidating cached art for '%s'", addon->ID().c_str());

        if (!oldAddon->Icon().empty())
          textureDB.InvalidateCachedTexture(oldAddon->Icon());

        for (const auto& path : oldAddon->Screenshots())
          textureDB.InvalidateCachedTexture(path);

        for (const auto& art : oldAddon->Art())
          textureDB.InvalidateCachedTexture(art.second);
      }
    }
    textureDB.CommitMultipleExecute();
  }

  database.UpdateRepositoryContent(m_repo->ID(), m_repo->Version(), newChecksum, addons);
  return true;
}

//.........这里部分代码省略.........
      }
      else if (result < 0 || !VIDEO::CVideoInfoScanner::DownloadFailed(GetProgressDialog()))
      {
        failure = true;
        break;
      }
    }

    // if the URL is still empty, check whether or not we're allowed
    // to prompt and ask the user to input a new search title
    if (!hasDetails && scraperUrl.m_url.empty())
    {
      if (IsModal())
      {
        // ask the user to input a title to use
        if (!CGUIKeyboardFactory::ShowAndGetInput(itemTitle, g_localizeStrings.Get(scraper->Content() == CONTENT_TVSHOWS ? 20357 : 16009), false))
          return false;

        // go through the whole process again
        needsRefresh = true;
        continue;
      }

      // nothing else we can do
      failure = true;
      break;
    }

    // before we start downloading all the necessary information cleanup any existing artwork and hashes
    CTextureDatabase textureDb;
    if (textureDb.Open())
    {
      for (const auto& artwork : m_item->GetArt())
        textureDb.InvalidateCachedTexture(artwork.second);

      textureDb.Close();
    }
    m_item->ClearArt();

    // put together the list of items to refresh
    std::string path = m_item->GetPath();
    CFileItemList items;
    if (m_item->HasVideoInfoTag() && m_item->GetVideoInfoTag()->m_iDbId > 0)
    {
      // for a tvshow we need to handle all paths of it
      std::vector<std::string> tvshowPaths;
      if (CMediaTypes::IsMediaType(m_item->GetVideoInfoTag()->m_type, MediaTypeTvShow) && m_refreshAll &&
          db.GetPathsLinkedToTvShow(m_item->GetVideoInfoTag()->m_iDbId, tvshowPaths))
      {
        for (const auto& tvshowPath : tvshowPaths)
        {
          CFileItemPtr tvshowItem(new CFileItem(*m_item->GetVideoInfoTag()));
          tvshowItem->SetPath(tvshowPath);
          items.Add(tvshowItem);
        }
      }
      // otherwise just add a copy of the item
      else
        items.Add(CFileItemPtr(new CFileItem(*m_item->GetVideoInfoTag())));

      // update the path to the real path (instead of a videodb:// one)
      path = m_item->GetVideoInfoTag()->m_strPath;
    }
    else
      items.Add(CFileItemPtr(new CFileItem(*m_item)));

bool CRepositoryUpdateJob::DoWork()
{
  CLog::Log(LOGDEBUG, "CRepositoryUpdateJob[%s] checking for updates.", m_repo->ID().c_str());
  CAddonDatabase database;
  database.Open();

  std::string oldChecksum;
  if (database.GetRepoChecksum(m_repo->ID(), oldChecksum) == -1)
    oldChecksum = "";

  std::string newChecksum;
  VECADDONS addons;
  auto status = m_repo->FetchIfChanged(oldChecksum, newChecksum, addons);

  database.SetLastChecked(m_repo->ID(), m_repo->Version(),
      CDateTime::GetCurrentDateTime().GetAsDBDateTime());

  MarkFinished();

  if (status == CRepository::STATUS_ERROR)
    return false;

  if (status == CRepository::STATUS_NOT_MODIFIED)
  {
    CLog::Log(LOGDEBUG, "CRepositoryUpdateJob[%s] checksum not changed.", m_repo->ID().c_str());
    return true;
  }

  //Invalidate art.
  {
    CTextureDatabase textureDB;
    textureDB.Open();
    textureDB.BeginMultipleExecute();

    for (const auto& addon : addons)
    {
      AddonPtr oldAddon;
      if (database.GetAddon(addon->ID(), oldAddon) && addon->Version() > oldAddon->Version())
      {
        if (!oldAddon->Icon().empty() || !oldAddon->FanArt().empty() || !oldAddon->Screenshots().empty())
          CLog::Log(LOGDEBUG, "CRepository: invalidating cached art for '%s'", addon->ID().c_str());
        if (!oldAddon->Icon().empty())
          textureDB.InvalidateCachedTexture(oldAddon->Icon());
        if (!oldAddon->FanArt().empty())
          textureDB.InvalidateCachedTexture(oldAddon->Icon());
        for (const auto& path : oldAddon->Screenshots())
          textureDB.InvalidateCachedTexture(path);
      }
    }
    textureDB.CommitMultipleExecute();
  }

  database.UpdateRepositoryContent(m_repo->ID(), m_repo->Version(), newChecksum, addons);

  //Notify about broken status changes
  for (const auto& addon : addons)
  {
    AddonPtr localAddon;
    if (!CAddonMgr::GetInstance().GetAddon(addon->ID(), localAddon))
      continue;

    if (localAddon && localAddon->Version() > addon->Version())
      //We have a newer version locally
      continue;

    AddonPtr oldAddon;
    database.GetAddon(addon->ID(), oldAddon);

    if (database.GetAddonVersion(addon->ID()).first > addon->Version())
      //Newer version in db (ie. in a different repo)
      continue;

    std::string broken = addon->Broken();
    bool isBroken = !addon->Broken().empty();
    bool isBrokenInDb = oldAddon && !oldAddon->Broken().empty();
    if (isBroken && !isBrokenInDb)
    {
      //newly broken
      if (HELPERS::ShowYesNoDialogLines(CVariant{addon->Name()}, CVariant{24096}, CVariant{24097}, CVariant{""})
        == DialogResponse::YES)
      {
        CAddonMgr::GetInstance().DisableAddon(addon->ID());
      }

      CLog::Log(LOGDEBUG, "CRepositoryUpdateJob[%s] addon '%s' marked broken. reason: \"%s\"",
           m_repo->ID().c_str(), addon->ID().c_str(), broken.c_str());

      CEventLog::GetInstance().Add(EventPtr(new CAddonManagementEvent(addon, 24096)));
    }
    else if (!isBroken && isBrokenInDb)
    {
      //Unbroken
      CLog::Log(LOGDEBUG, "CRepositoryUpdateJob[%s] addon '%s' unbroken",
          m_repo->ID().c_str(), addon->ID().c_str());
    }
  }
  return true;
}