C++ CFileItemList::HasThumbnail方法代码示例

int CMusicInfoScanner::RetrieveMusicInfo(CFileItemList& items, const CStdString& strDirectory)
{
  CSongMap songsMap;

  // get all information for all files in current directory from database, and remove them
  if (m_musicDatabase.RemoveSongsFromPath(strDirectory, songsMap))
    m_needsCleanup = true;

  VECSONGS songsToAdd;

  CStdStringArray regexps = g_advancedSettings.m_audioExcludeFromScanRegExps;

  // for every file found, but skip folder
  for (int i = 0; i < items.Size(); ++i)
  {
    CFileItemPtr pItem = items[i];
    CStdString strExtension;
    URIUtils::GetExtension(pItem->GetPath(), strExtension);

    if (m_bStop)
      return 0;

    // Discard all excluded files defined by m_musicExcludeRegExps
    if (CUtil::ExcludeFileOrFolder(pItem->GetPath(), regexps))
      continue;

    // dont try reading id3tags for folders, playlists or shoutcast streams
    if (!pItem->m_bIsFolder && !pItem->IsPlayList() && !pItem->IsPicture() && !pItem->IsLyrics() )
    {
      m_currentItem++;
//      CLog::Log(LOGDEBUG, "%s - Reading tag for: %s", __FUNCTION__, pItem->GetPath().c_str());

      // grab info from the song
      CSong *dbSong = songsMap.Find(pItem->GetPath());

      CMusicInfoTag& tag = *pItem->GetMusicInfoTag();
      if (!tag.Loaded() )
      { // read the tag from a file
        auto_ptr<IMusicInfoTagLoader> pLoader (CMusicInfoTagLoaderFactory::CreateLoader(pItem->GetPath()));
        if (NULL != pLoader.get())
          pLoader->Load(pItem->GetPath(), tag);
      }

      // if we have the itemcount, notify our
      // observer with the progress we made
      if (m_pObserver && m_itemCount>0)
        m_pObserver->OnSetProgress(m_currentItem, m_itemCount);

      if (tag.Loaded())
      {
        CSong song(tag);

        // ensure our song has a valid filename or else it will assert in AddSong()
        if (song.strFileName.IsEmpty())
        {
          // copy filename from path in case UPnP or other tag loaders didn't specify one (FIXME?)
          song.strFileName = pItem->GetPath();

          // if we still don't have a valid filename, skip the song
          if (song.strFileName.IsEmpty())
          {
            // this shouldn't ideally happen!
            CLog::Log(LOGERROR, "Skipping song since it doesn't seem to have a filename");
            continue;
          }
        }

        song.iStartOffset = pItem->m_lStartOffset;
        song.iEndOffset = pItem->m_lEndOffset;
        if (dbSong)
        { // keep the db-only fields intact on rescan...
          song.iTimesPlayed = dbSong->iTimesPlayed;
          song.lastPlayed = dbSong->lastPlayed;
          song.iKaraokeNumber = dbSong->iKaraokeNumber;

          if (song.rating == '0') song.rating = dbSong->rating;
        }
        pItem->SetMusicThumb();
        song.strThumb = pItem->GetThumbnailImage();
        songsToAdd.push_back(song);
//        CLog::Log(LOGDEBUG, "%s - Tag loaded for: %s", __FUNCTION__, pItem->GetPath().c_str());
      }
      else
        CLog::Log(LOGDEBUG, "%s - No tag found for: %s", __FUNCTION__, pItem->GetPath().c_str());
    }
  }

  CheckForVariousArtists(songsToAdd);
  if (!items.HasThumbnail())
    UpdateFolderThumb(songsToAdd, items.GetPath());

  // finally, add these to the database
  set<CStdString> artistsToScan;
  set< pair<CStdString, CStdString> > albumsToScan;
  m_musicDatabase.BeginTransaction();
  for (unsigned int i = 0; i < songsToAdd.size(); ++i)
  {
    if (m_bStop)
    {
      m_musicDatabase.RollbackTransaction();
//.........这里部分代码省略.........

//.........这里部分代码省略.........
    if (bProgressVisible)
    {
      m_dlgProgress->SetLine(2,item->GetLabel());
      m_dlgProgress->Progress();
    }

    if (item->m_bIsFolder && !item->IsParentFolder() && !item->IsPlugin() && g_guiSettings.GetBool("mygames.slowgameparsing"))
    { // folder item - let's check for a default.xbe file, and flatten if we have one
      CStdString defaultXBE;
      URIUtils::AddFileToFolder(item->GetPath(), "default.xbe", defaultXBE);
      item->SetPath(defaultXBE);
      item->m_bIsFolder = false;
    }

    if (item->m_bIsFolder && !item->IsParentFolder() && !item->IsPlugin() && !g_guiSettings.GetBool("mygames.slowgameparsing"))
    { // folder item - let's check for a default.xbe file, and flatten if we have one
      CStdString defaultXBE;
      URIUtils::AddFileToFolder(item->GetPath(), "default.xbe", defaultXBE);
	if (CFile::Exists(defaultXBE))
      { // yes, format the item up
        item->SetPath(defaultXBE);
        item->m_bIsFolder = false;
      }
    }
    else if (item->IsShortCut())
    { // resolve the shortcut to set it's description etc.
      // and save the old shortcut path (so we can reassign it later)
      CShortcut cut;
      if (cut.Create(item->GetPath()))
      {
        shortcutPath = item->GetPath();
        item->SetPath(cut.m_strPath);
        item->SetThumbnailImage(cut.m_strThumb);

        LABEL_MASKS labelMasks;
        m_guiState->GetSortMethodLabelMasks(labelMasks);
        CLabelFormatter formatter("", labelMasks.m_strLabel2File);
        if (!cut.m_strLabel.IsEmpty())
        {
          item->SetLabel(cut.m_strLabel);
          __stat64 stat;
          if (CFile::Stat(item->GetPath(),&stat) == 0)
            item->m_dwSize = stat.st_size;

          formatter.FormatLabel2(item.get());
          item->SetLabelPreformated(true);
        }
      }
    }
    if (item->IsXBE())
    {
      if (URIUtils::GetFileName(item->GetPath()).Equals("default_ffp.xbe"))
      {
        m_vecItems->Remove(i--);
        continue;
      }
      // add to database if not already there
      DWORD dwTitleID = item->IsOnDVD() ? 0 : m_database.GetProgramInfo(item.get());
      if (!dwTitleID)
      {
        CStdString description;
        if (CUtil::GetXBEDescription(item->GetPath(), description) && (!item->IsLabelPreformated() && !item->GetLabel().IsEmpty()))
		{
          item->SetLabel(description);
		  if (!g_guiSettings.GetBool("mygames.slowgameparsing"))
		  {
			CLog::Log(LOGNOTICE,"Added to database: %s",description.c_str());
		  }
		}

        dwTitleID = CUtil::GetXbeID(item->GetPath());
        if (!item->IsOnDVD())
          m_database.AddProgramInfo(item.get(), dwTitleID);
      }

      // SetOverlayIcons()
      if (m_database.ItemHasTrainer(dwTitleID))
      {
        if (m_database.GetActiveTrainer(dwTitleID) != "")
          item->SetOverlayImage(CGUIListItem::ICON_OVERLAY_TRAINED);
        else
          item->SetOverlayImage(CGUIListItem::ICON_OVERLAY_HAS_TRAINER);
      }
    }
    if (!shortcutPath.IsEmpty())
      item->SetPath(shortcutPath);
  }
  m_database.CommitTransaction();
  // set the cached thumbs
  items.SetThumbnailImage("");
  items.SetCachedProgramThumbs();
  items.SetCachedProgramThumb();
  if (!items.HasThumbnail())
    items.SetUserProgramThumb();

  if (bProgressVisible)
    m_dlgProgress->Close();

  return true;
}

int CMusicInfoScanner::RetrieveMusicInfo(CFileItemList& items, const CStdString& strDirectory)
{
  CSongMap songsMap;

  // get all information for all files in current directory from database, and remove them
  if (m_musicDatabase.RemoveSongsFromPath(strDirectory, songsMap))
    m_needsCleanup = true;

  VECSONGS songsToAdd;
  // for every file found, but skip folder
  for (int i = 0; i < items.Size(); ++i)
  {
    CFileItem* pItem = items[i];
    CStdString strExtension;
    CUtil::GetExtension(pItem->m_strPath, strExtension);

    if (m_bStop)
      return 0;

    // dont try reading id3tags for folders, playlists or shoutcast streams
    if (!pItem->m_bIsFolder && !pItem->IsPlayList() && !pItem->IsShoutCast() && !pItem->IsPicture())
    {
      m_currentItem++;
//      CLog::Log(LOGDEBUG, "%s - Reading tag for: %s", __FUNCTION__, pItem->m_strPath.c_str());

      // grab info from the song
      CSong *dbSong = songsMap.Find(pItem->m_strPath);

      CMusicInfoTag& tag = *pItem->GetMusicInfoTag();
      if (!tag.Loaded() )
      { // read the tag from a file
        auto_ptr<IMusicInfoTagLoader> pLoader (CMusicInfoTagLoaderFactory::CreateLoader(pItem->m_strPath));
        if (NULL != pLoader.get())
          pLoader->Load(pItem->m_strPath, tag);
      }

      // if we have the itemcount, notify our
      // observer with the progress we made
      if (m_pObserver && m_itemCount>0)
        m_pObserver->OnSetProgress(m_currentItem, m_itemCount);

      if (tag.Loaded())
      {
        CSong song(tag);
        song.iStartOffset = pItem->m_lStartOffset;
        song.iEndOffset = pItem->m_lEndOffset;
        if (dbSong)
        { // keep the db-only fields intact on rescan...
          song.iTimesPlayed = dbSong->iTimesPlayed;
          song.lastPlayed = dbSong->lastPlayed;
          if (song.rating == '0') song.rating = dbSong->rating;
        }
        pItem->SetMusicThumb();
        song.strThumb = pItem->GetThumbnailImage();
        songsToAdd.push_back(song);
//        CLog::Log(LOGDEBUG, "%s - Tag loaded for: %s", __FUNCTION__, spItem->m_strPath.c_str());
      }
      else
        CLog::Log(LOGDEBUG, "%s - No tag found for: %s", __FUNCTION__, pItem->m_strPath.c_str());
    }
  }

  CheckForVariousArtists(songsToAdd);
  if (!items.HasThumbnail())
    UpdateFolderThumb(songsToAdd, items.m_strPath);

  // finally, add these to the database
  for (unsigned int i = 0; i < songsToAdd.size(); ++i)
  {
    if (m_bStop) return i;
    CSong &song = songsToAdd[i];
    m_musicDatabase.AddSong(song, false);
    if (!m_bStop && g_guiSettings.GetBool("musiclibrary.autoartistinfo"))
    {
      long iArtist = m_musicDatabase.GetArtistByName(song.strArtist);
      CStdString strPath;
      strPath.Format("musicdb://2/%u/",iArtist);
      if (find(m_artistsScanned.begin(),m_artistsScanned.end(),iArtist) == m_artistsScanned.end())
        if (DownloadArtistInfo(strPath,song.strArtist))
          m_artistsScanned.push_back(iArtist);

      if (m_pObserver)
        m_pObserver->OnStateChanged(READING_MUSIC_INFO);
    }
    if (!m_bStop && g_guiSettings.GetBool("musiclibrary.autoalbuminfo"))
    {
      long iAlbum = m_musicDatabase.GetAlbumByName(song.strAlbum,song.strArtist);
      CStdString strPath;
      strPath.Format("musicdb://3/%u/",iAlbum);
      
      CMusicAlbumInfo albumInfo;
      bool bCanceled;
      if (find(m_albumsScanned.begin(),m_albumsScanned.end(),iAlbum) == m_albumsScanned.end())
        if (DownloadAlbumInfo(strPath,song.strArtist,song.strAlbum,bCanceled,albumInfo))
          m_albumsScanned.push_back(iAlbum);

      if (m_pObserver)
        m_pObserver->OnStateChanged(READING_MUSIC_INFO);
    }
  }
//.........这里部分代码省略.........

//.........这里部分代码省略.........
				item->SetThumbnailImage(Cocoa_GetIconFromBundle("/Applications/Automator.app", "AutomatorDocument"));
			
    }
    return true;
  }

  // flatten any folders
  m_database.BeginTransaction();
  DWORD dwTick=timeGetTime();
  bool bProgressVisible = false;
  for (int i = 0; i < items.Size(); i++)
  {
    CStdString shortcutPath;
    CFileItemPtr item = items[i];
    if (!bProgressVisible && timeGetTime()-dwTick>1500 && m_dlgProgress)
    { // tag loading takes more then 1.5 secs, show a progress dialog
      m_dlgProgress->SetHeading(189);
      m_dlgProgress->SetLine(0, 20120);
      m_dlgProgress->SetLine(1,"");
      m_dlgProgress->SetLine(2, item->GetLabel());
      m_dlgProgress->StartModal();
      bProgressVisible = true;
    }
    if (bProgressVisible)
    {
      m_dlgProgress->SetLine(2,item->GetLabel());
      m_dlgProgress->Progress();
    }

    if (item->m_bIsFolder && !item->IsParentFolder())
    { // folder item - let's check for a default.xbe file, and flatten if we have one
      CStdString defaultXBE;
      CUtil::AddFileToFolder(item->m_strPath, "default.xbe", defaultXBE);
      if (CFile::Exists(defaultXBE))
      { // yes, format the item up
        item->m_strPath = defaultXBE;
        item->m_bIsFolder = false;
      }
    }
    else if (item->IsShortCut())
    { // resolve the shortcut to set it's description etc.
      // and save the old shortcut path (so we can reassign it later)
      CShortcut cut;
      if (cut.Create(item->m_strPath))
      {
        shortcutPath = item->m_strPath;
        item->m_strPath = cut.m_strPath;
        item->SetThumbnailImage(cut.m_strThumb);

        LABEL_MASKS labelMasks;
        m_guiState->GetSortMethodLabelMasks(labelMasks);
        CLabelFormatter formatter("", labelMasks.m_strLabel2File);
        if (!cut.m_strLabel.IsEmpty())
        {
          item->SetLabel(cut.m_strLabel);
          struct __stat64 stat;
          if (CFile::Stat(item->m_strPath,&stat) == 0)
            item->m_dwSize = stat.st_size;

          formatter.FormatLabel2(item.get());
          item->SetLabelPreformated(true);
        }
      }
    }
    if (!shortcutPath.IsEmpty())
      item->m_strPath = shortcutPath;
    
    // Special case for OS X application bundles
    if (item->GetLabel().Find(".app") > 0) {
      //Remove .app from the end of the label
      CStdString itemLabel = item->GetLabel();
      CUtil::RemoveExtension(itemLabel);
      item->SetLabel(itemLabel);
      //Get the app's icon
      CStdString appIcon = Cocoa_GetAppIcon(item->m_strPath.c_str());
      if (appIcon != NULL)
        item->SetThumbnailImage(appIcon);
    }
		
		// Special case for Automator workflows
    if (item->GetLabel().Find(".workflow") > 0) {
      CStdString itemLabel = item->GetLabel();
      CUtil::RemoveExtension(itemLabel);
      item->SetLabel(itemLabel);
			item->SetThumbnailImage(Cocoa_GetIconFromBundle("/Applications/Automator.app", "AutomatorDocument"));	
		}
  }
  m_database.CommitTransaction();
  // set the cached thumbs
  items.SetThumbnailImage("");
  items.SetCachedProgramThumbs();
  items.SetCachedProgramThumb();
  if (!items.HasThumbnail())
    items.SetUserProgramThumb();

  if (bProgressVisible)
    m_dlgProgress->Close();

  return true;
}