Method OnTaskFinished

libs/drape_frontend/read_manager.cpp:84–122

}

void ReadManager::OnTaskFinished(threads::IRoutine * task)
{
  ASSERT(dynamic_cast<ReadMWMTask *>(task) != NULL, ());
  auto t = static_cast<ReadMWMTask *>(task);

  // finish tiles
  {
    std::lock_guard lock(m_finishedTilesMutex);

    // decrement counter
    ASSERT_GREATER(m_counter, 0, ());
    if (--m_counter == 0)
    {
      m_commutator->PostMessage(ThreadsCommutator::ResourceUploadThread, make_unique_dp<FinishReadingMessage>(),
                                MessagePriority::Normal);
    }

    auto const & key = t->GetTileKey();
    if (!task->IsCancelled())
    {
      auto const it = m_activeTiles.find(key);
      ASSERT(it != m_activeTiles.end(), ());

      // Use the tile key from active tiles with the actual user marks generation.
      TTilesCollection tiles;
      tiles.emplace(*it);

      m_activeTiles.erase(it);

      m_commutator->PostMessage(
          ThreadsCommutator::ResourceUploadThread,
          make_unique_dp<FinishTileReadMessage>(std::move(tiles), true /* forceUpdateUserMarks */),
          MessagePriority::Normal);
    }
  }

  t->Reset();
  m_tasksPool.Return(t);
}

void ReadManager::UpdateCoverage(ScreenBase const & screen, bool have3dBuildings, bool forceUpdate,
                                 bool forceUpdateUserMarks, TTilesCollection const & tiles,