C++ CFileItemList::SetMusicThumb方法代码示例

bool CGUIWindowMusicBase::GetDirectory(const CStdString &strDirectory, CFileItemList &items)
{
  items.SetThumbnailImage("");
  bool bResult = CGUIMediaWindow::GetDirectory(strDirectory,items);
  if (bResult)
    items.SetMusicThumb();

  // add in the "New Playlist" item if we're in the playlists folder
  if ((items.GetPath() == "special://musicplaylists/") && !items.Contains("newplaylist://"))
  {
    CFileItemPtr newPlaylist(new CFileItem(g_settings.GetUserDataItem("PartyMode.xsp"),false));
    newPlaylist->SetLabel(g_localizeStrings.Get(16035));
    newPlaylist->SetLabelPreformated(true);
    newPlaylist->m_bIsFolder = true;
    items.Add(newPlaylist);

    newPlaylist.reset(new CFileItem("newplaylist://", false));
    newPlaylist->SetLabel(g_localizeStrings.Get(525));
    newPlaylist->SetLabelPreformated(true);
    newPlaylist->SetSpecialSort(SORT_ON_BOTTOM);
    newPlaylist->SetCanQueue(false);
    items.Add(newPlaylist);

    newPlaylist.reset(new CFileItem("newsmartplaylist://music", false));
    newPlaylist->SetLabel(g_localizeStrings.Get(21437));
    newPlaylist->SetLabelPreformated(true);
    newPlaylist->SetSpecialSort(SORT_ON_BOTTOM);
    newPlaylist->SetCanQueue(false);
    items.Add(newPlaylist);
  }

  return bResult;
}

bool CMusicInfoScanner::DoScan(const CStdString& strDirectory)
{
  if (m_pObserver)
    m_pObserver->OnDirectoryChanged(strDirectory);

  /*
   * remove this path from the list we're processing. This must be done prior to
   * the check for file or folder exclusion to prevent an infinite while loop
   * in Process().
   */
  set<CStdString>::iterator it = m_pathsToScan.find(strDirectory);
  if (it != m_pathsToScan.end())
    m_pathsToScan.erase(it);

  // Discard all excluded files defined by m_musicExcludeRegExps

  CStdStringArray regexps = g_advancedSettings.m_audioExcludeFromScanRegExps;

  if (CUtil::ExcludeFileOrFolder(strDirectory, regexps))
    return true;

  // load subfolder
  CFileItemList items;
  CDirectory::GetDirectory(strDirectory, items, g_settings.m_musicExtensions + "|.jpg|.tbn|.lrc|.cdg");

  // sort and get the path hash.  Note that we don't filter .cue sheet items here as we want
  // to detect changes in the .cue sheet as well.  The .cue sheet items only need filtering
  // if we have a changed hash.
  items.Sort(SORT_METHOD_LABEL, SORT_ORDER_ASC);
  CStdString hash;
  GetPathHash(items, hash);

  // get the folder's thumb (this will cache the album thumb).
  items.SetMusicThumb(true); // true forces it to get a remote thumb

  // check whether we need to rescan or not
  CStdString dbHash;
  if (!m_musicDatabase.GetPathHash(strDirectory, dbHash) || dbHash != hash)
  { // path has changed - rescan
    if (dbHash.IsEmpty())
      CLog::Log(LOGDEBUG, "%s Scanning dir '%s' as not in the database", __FUNCTION__, strDirectory.c_str());
    else
      CLog::Log(LOGDEBUG, "%s Rescanning dir '%s' due to change", __FUNCTION__, strDirectory.c_str());

    // filter items in the sub dir (for .cue sheet support)
    items.FilterCueItems();
    items.Sort(SORT_METHOD_LABEL, SORT_ORDER_ASC);

    // and then scan in the new information
    if (RetrieveMusicInfo(items, strDirectory) > 0)
    {
      if (m_pObserver)
        m_pObserver->OnDirectoryScanned(strDirectory);
    }

    // save information about this folder
    m_musicDatabase.SetPathHash(strDirectory, hash);
  }
  else
  { // path is the same - no need to rescan
    CLog::Log(LOGDEBUG, "%s Skipping dir '%s' due to no change", __FUNCTION__, strDirectory.c_str());
    m_currentItem += CountFiles(items, false);  // false for non-recursive

    // notify our observer of our progress
    if (m_pObserver)
    {
      if (m_itemCount>0)
        m_pObserver->OnSetProgress(m_currentItem, m_itemCount);
      m_pObserver->OnDirectoryScanned(strDirectory);
    }
  }

  // now scan the subfolders
  for (int i = 0; i < items.Size(); ++i)
  {
    CFileItemPtr pItem = items[i];

    if (m_bStop)
      break;
    // if we have a directory item (non-playlist) we then recurse into that folder
    if (pItem->m_bIsFolder && !pItem->IsParentFolder() && !pItem->IsPlayList())
    {
      CStdString strPath=pItem->GetPath();
      if (!DoScan(strPath))
      {
        m_bStop = true;
      }
    }
  }

  return !m_bStop;
}