C++ CFileItemList::GetFileCount方法代码示例

bool CGUIWindowPVRRecordings::GetFilteredItems(const std::string &filter, CFileItemList &items)
{
  bool listchanged = CGUIWindowPVRBase::GetFilteredItems(filter, items);

  int watchMode = CMediaSettings::GetInstance().GetWatchedMode("recordings");

  CFileItemPtr item;
  for (int i = 0; i < items.Size(); i++)
  {
    item = items.Get(i);

    if (item->IsParentFolder()) // Don't delete the go to parent folder
      continue;

    if (!item->HasPVRRecordingInfoTag())
      continue;

    int iPlayCount = item->GetPVRRecordingInfoTag()->GetPlayCount();
    if ((watchMode == WatchedModeWatched && iPlayCount == 0) ||
        (watchMode == WatchedModeUnwatched && iPlayCount > 0))
    {
      items.Remove(i);
      i--;
      listchanged = true;
    }
  }

  // Remove the parent folder item, if it's the only item in the folder.
  if (items.GetObjectCount() == 0 && items.GetFileCount() > 0 && items.Get(0)->IsParentFolder())
    items.Remove(0);

  return listchanged;
}

// returns true if:
// 1. Have more than 75% folders and
// 2. Have more than percent folders with thumbs
bool CAutoSwitch::ByFolderThumbPercentage(bool hideParentDirItems, int percent, const CFileItemList &vecItems)
{
  int numItems = vecItems.Size();
  if (!hideParentDirItems)
    numItems--;
  if (numItems <= 0) return false;

  int fileCount = vecItems.GetFileCount();
  if (fileCount > 0.25f * numItems) return false;

  int numThumbs = 0;
  for (int i = 0; i < vecItems.Size(); i++)
  {
    const CFileItemPtr item = vecItems[i];
    if (item->m_bIsFolder && item->HasArt("thumb"))
    {
      numThumbs++;
      if (numThumbs >= 0.01f * percent * (numItems - fileCount))
        return true;
    }
  }

  return false;
}

bool CGUIWindowVideoNav::ApplyWatchedFilter(CFileItemList &items)
{
  bool listchanged = false;
  CVideoDatabaseDirectory dir;
  NODE_TYPE node = dir.GetDirectoryChildType(items.GetPath());

  // now filter watched items as necessary
  bool filterWatched=false;
  if (node == NODE_TYPE_EPISODES
  ||  node == NODE_TYPE_SEASONS
  ||  node == NODE_TYPE_SETS
  ||  node == NODE_TYPE_TAGS
  ||  node == NODE_TYPE_TITLE_MOVIES
  ||  node == NODE_TYPE_TITLE_TVSHOWS
  ||  node == NODE_TYPE_TITLE_MUSICVIDEOS
  ||  node == NODE_TYPE_RECENTLY_ADDED_EPISODES
  ||  node == NODE_TYPE_RECENTLY_ADDED_MOVIES
  ||  node == NODE_TYPE_RECENTLY_ADDED_MUSICVIDEOS)
    filterWatched = true;
  if (!items.IsVideoDb())
    filterWatched = true;
  if (items.GetContent() == "tvshows" &&
     (items.IsSmartPlayList() || items.IsLibraryFolder()))
    node = NODE_TYPE_TITLE_TVSHOWS; // so that the check below works

  int watchMode = CMediaSettings::GetInstance().GetWatchedMode(m_vecItems->GetContent());

  for (int i = 0; i < items.Size(); i++)
  {
    CFileItemPtr item = items.Get(i);

    if(item->HasVideoInfoTag() && (node == NODE_TYPE_TITLE_TVSHOWS || node == NODE_TYPE_SEASONS))
    {
      if (watchMode == WatchedModeUnwatched)
        item->GetVideoInfoTag()->m_iEpisode = (int)item->GetProperty("unwatchedepisodes").asInteger();
      if (watchMode == WatchedModeWatched)
        item->GetVideoInfoTag()->m_iEpisode = (int)item->GetProperty("watchedepisodes").asInteger();
      if (watchMode == WatchedModeAll)
        item->GetVideoInfoTag()->m_iEpisode = (int)item->GetProperty("totalepisodes").asInteger();
      item->SetProperty("numepisodes", item->GetVideoInfoTag()->m_iEpisode);
      listchanged = true;
    }

    if (filterWatched)
    {
      if(!item->IsParentFolder() && // Don't delete the go to parent folder
         ((watchMode == WatchedModeWatched   && item->GetVideoInfoTag()->GetPlayCount() == 0) ||
          (watchMode == WatchedModeUnwatched && item->GetVideoInfoTag()->GetPlayCount() > 0)))
      {
        items.Remove(i);
        i--;
        listchanged = true;
      }
    }
  }

  // Remove the parent folder icon, if it's the only thing in the folder. This is needed for hiding seasons.
  if (items.GetObjectCount() == 0 && items.GetFileCount() > 0 && items.Get(0)->IsParentFolder())
      items.Remove(0);

  if(node == NODE_TYPE_TITLE_TVSHOWS || node == NODE_TYPE_SEASONS)
  {
    // the watched filter may change the "numepisodes" property which is reflected in the TV_SHOWS and SEASONS nodes
    // therefore, the items labels have to be refreshed, and possibly the list needs resorting as well.
    items.ClearSortState(); // this is needed to force resorting even if sort method did not change
    FormatAndSort(items);
  }

  return listchanged;
}

/// \brief Auto Switch method based on whether there is more than 25% files.
/// \param iPercent Percent of non-default thumbs to autoswitch on
bool CAutoSwitch::ByFileCount(const CFileItemList& vecItems)
{
  if (vecItems.Size() == 0) return false;
  float fPercent = (float)vecItems.GetFileCount() / vecItems.Size();
  return (fPercent > 0.25);
}