C++ CFileItem::IsPlayList方法代码示例

std::string CFavouritesDirectory::GetExecutePath(const CFileItem &item, const std::string &contextWindow)
{
  std::string execute;
  if (item.m_bIsFolder && (g_advancedSettings.m_playlistAsFolders ||
                            !(item.IsSmartPlayList() || item.IsPlayList())))
  {
    if (!contextWindow.empty())
      execute = StringUtils::Format("ActivateWindow(%s,%s,return)", contextWindow.c_str(), StringUtils::Paramify(item.GetPath()).c_str());
  }
  /* TODO:STRING_CLEANUP */
  else if (item.IsAndroidApp() && item.GetPath().size() > 26) // androidapp://sources/apps/<foo>
    execute = StringUtils::Format("StartAndroidActivity(%s)", StringUtils::Paramify(item.GetPath().substr(26)).c_str());
  else  // assume a media file
  {
    if (item.IsVideoDb() && item.HasVideoInfoTag())
      execute = StringUtils::Format("PlayMedia(%s)", StringUtils::Paramify(item.GetVideoInfoTag()->m_strFileNameAndPath).c_str());
    else if (item.IsMusicDb() && item.HasMusicInfoTag())
      execute = StringUtils::Format("PlayMedia(%s)", StringUtils::Paramify(item.GetMusicInfoTag()->GetURL()).c_str());
    else if (item.IsPicture())
      execute = StringUtils::Format("ShowPicture(%s)", StringUtils::Paramify(item.GetPath()).c_str());
    else
      execute = StringUtils::Format("PlayMedia(%s)", StringUtils::Paramify(item.GetPath()).c_str());
  }
  return execute;
}

bool CGUIWindowMusicBase::OnPlayMedia(int iItem)
{
  CFileItem* pItem = m_vecItems->Get(iItem);
  if (pItem->m_strPath == "add" && pItem->GetLabel() == g_localizeStrings.Get(1026)) // 'add source button' in empty root
  {
    if (CGUIDialogMediaSource::ShowAndAddMediaSource("music"))
    {
      Update("");
      return true;
    }
    return false;
  }

  // party mode
  if (g_partyModeManager.IsEnabled() && !pItem->IsLastFM())
  {
    CPlayList playlistTemp;
    CPlayListItem playlistItem;
    CUtil::ConvertFileItemToPlayListItem(m_vecItems->Get(iItem), playlistItem);
    playlistTemp.Add(playlistItem);
    g_partyModeManager.AddUserSongs(playlistTemp, true);
    return true;
  }
  else if (!pItem->IsPlayList() && !pItem->IsInternetStream())
  { // single music file - if we get here then we have autoplaynextitem turned off, but we
    // still want to use the playlist player in order to handle more queued items following etc.
    g_playlistPlayer.Reset();
    g_playlistPlayer.ClearPlaylist(PLAYLIST_MUSIC);
    g_playlistPlayer.Add(PLAYLIST_MUSIC, pItem);
    g_playlistPlayer.SetCurrentPlaylist(PLAYLIST_MUSIC);
    g_playlistPlayer.Play();
    return true;
  }
  return CGUIMediaWindow::OnPlayMedia(iItem);
}

void CGUIWindowMusicBase::GetContextButtons(int itemNumber, CContextButtons &buttons)
{
  CFileItem *item = (itemNumber >= 0 && itemNumber < m_vecItems->Size()) ? m_vecItems->Get(itemNumber) : NULL;

  if (item && !item->IsParentFolder())
  {
    if (item->GetExtraInfo().Equals("lastfmloved"))
    {
      buttons.Add(CONTEXT_BUTTON_LASTFM_UNLOVE_ITEM, 15295); //unlove
    }
    else if (item->GetExtraInfo().Equals("lastfmbanned"))
    {
      buttons.Add(CONTEXT_BUTTON_LASTFM_UNBAN_ITEM, 15296); //unban
    }
    else if (item->CanQueue())
    {
      buttons.Add(CONTEXT_BUTTON_QUEUE_ITEM, 13347); //queue

      // allow a folder to be ad-hoc queued and played by the default player
      if (item->m_bIsFolder || (item->IsPlayList() && 
         !g_advancedSettings.m_playlistAsFolders))
      {
        buttons.Add(CONTEXT_BUTTON_PLAY_ITEM, 208); // Play
      }
      else
      { // check what players we have, if we have multiple display play with option
        VECPLAYERCORES vecCores;
        CPlayerCoreFactory::GetPlayers(*item, vecCores);
        if (vecCores.size() >= 1)
          buttons.Add(CONTEXT_BUTTON_PLAY_WITH, 15213); // Play With...
      }
      if (item->IsSmartPlayList())
      {
          buttons.Add(CONTEXT_BUTTON_PLAY_PARTYMODE, 15216); // Play in Partymode
      }

      if (item->IsSmartPlayList() || m_vecItems->IsSmartPlayList())
        buttons.Add(CONTEXT_BUTTON_EDIT_SMART_PLAYLIST, 586);
      else if (item->IsPlayList() || m_vecItems->IsPlayList())
        buttons.Add(CONTEXT_BUTTON_EDIT, 586);  
    }
  }
  CGUIMediaWindow::GetContextButtons(itemNumber, buttons);
}

void CGUIWindowVideoInfo::PlayTrailer()
{
  CFileItem item;
  item.m_strPath = m_movieItem->GetVideoInfoTag()->m_strTrailer;
  *item.GetVideoInfoTag() = *m_movieItem->GetVideoInfoTag();
  item.GetVideoInfoTag()->m_strTitle.Format("%s (%s)",m_movieItem->GetVideoInfoTag()->m_strTitle.c_str(),g_localizeStrings.Get(20410));
  item.SetThumbnailImage(m_movieItem->GetThumbnailImage());
  item.GetVideoInfoTag()->m_iDbId = -1;

  // Close the dialog.
  Close(true);

  if (item.IsPlayList())
    g_application.getApplicationMessenger().MediaPlay(item);
  else
    g_application.getApplicationMessenger().PlayFile(item);
}

void CGUIDialogVideoInfo::PlayTrailer()
{
  CFileItem item;
  item.SetPath(m_movieItem->GetVideoInfoTag()->m_strTrailer);
  *item.GetVideoInfoTag() = *m_movieItem->GetVideoInfoTag();
  item.GetVideoInfoTag()->m_streamDetails.Reset();
  item.GetVideoInfoTag()->m_strTitle.Format("%s (%s)",m_movieItem->GetVideoInfoTag()->m_strTitle.c_str(),g_localizeStrings.Get(20410));
  CVideoThumbLoader::SetArt(item, m_movieItem->GetArt());
  item.GetVideoInfoTag()->m_iDbId = -1;
  item.GetVideoInfoTag()->m_iFileId = -1;

  // Close the dialog.
  Close(true);

  if (item.IsPlayList())
    CApplicationMessenger::Get().MediaPlay(item);
  else
    CApplicationMessenger::Get().PlayFile(item);
}

// \brief Synchonize the fileitems with the playlistplayer
// It recreated the playlist of the playlistplayer based
// on the fileitems of the window
void CGUIMediaWindow::UpdateFileList()
{
  int nItem = m_viewControl.GetSelectedItem();
  CFileItem* pItem = m_vecItems->Get(nItem);
  const CStdString& strSelected = pItem->m_strPath;

  FormatAndSort(*m_vecItems);
  UpdateButtons();

  m_viewControl.SetItems(*m_vecItems);
  m_viewControl.SetSelectedItem(strSelected);

  //  set the currently playing item as selected, if its in this directory
  if (m_guiState.get() && m_guiState->IsCurrentPlaylistDirectory(m_vecItems->m_strPath))
  {
    int iPlaylist=m_guiState->GetPlaylist();
    int nSong = g_playlistPlayer.GetCurrentSong();
    CFileItem playlistItem;
    if (nSong > -1 && iPlaylist > -1)
      playlistItem=g_playlistPlayer.GetPlaylist(iPlaylist)[nSong];

    g_playlistPlayer.ClearPlaylist(iPlaylist);
    g_playlistPlayer.Reset();

    for (int i = 0; i < m_vecItems->Size(); i++)
    {
      CFileItem* pItem = m_vecItems->Get(i);
      if (pItem->m_bIsFolder)
        continue;

      if (!pItem->IsPlayList() && !pItem->IsZIP() && !pItem->IsRAR())
        g_playlistPlayer.Add(iPlaylist, pItem);

      if (pItem->m_strPath == playlistItem.m_strPath &&
          pItem->m_lStartOffset == playlistItem.m_lStartOffset)
        g_playlistPlayer.SetCurrentSong(g_playlistPlayer.GetPlaylist(iPlaylist).size() - 1);
    }
  }
}

CStdString CFavouritesDirectory::GetExecutePath(const CFileItem &item, const std::string &contextWindow)
{
  CStdString execute;
  if (item.m_bIsFolder && (g_advancedSettings.m_playlistAsFolders ||
                            !(item.IsSmartPlayList() || item.IsPlayList())))
  {
    if (!contextWindow.empty())
      execute = StringUtils::Format("ActivateWindow(%s,%s,return)", contextWindow.c_str(), StringUtils::Paramify(item.GetPath()).c_str());
  }
  else if (item.IsScript())
    execute = StringUtils::Format("RunScript(%s)", StringUtils::Paramify(item.GetPath().substr(9)).c_str());
  else if (item.IsAndroidApp())
    execute = StringUtils::Format("StartAndroidActivity(%s)", StringUtils::Paramify(item.GetPath().substr(26)).c_str());
  else  // assume a media file
  {
    if (item.IsVideoDb() && item.HasVideoInfoTag())
      execute = StringUtils::Format("PlayMedia(%s)", StringUtils::Paramify(item.GetVideoInfoTag()->m_strFileNameAndPath).c_str());
    else
      execute = StringUtils::Format("PlayMedia(%s)", StringUtils::Paramify(item.GetPath()).c_str());
  }
  return execute;
}

std::string CFavouritesService::GetExecutePath(const CFileItem &item, const std::string &contextWindow) const
{
  std::string execute;
  if (URIUtils::IsProtocol(item.GetPath(), "favourites"))
  {
    const CURL url(item.GetPath());
    execute = CURL::Decode(url.GetHostName());
  }
  else if (item.m_bIsFolder && (g_advancedSettings.m_playlistAsFolders ||
                                !(item.IsSmartPlayList() || item.IsPlayList())))
  {
    if (!contextWindow.empty())
      execute = StringUtils::Format("ActivateWindow(%s,%s,return)", contextWindow.c_str(), StringUtils::Paramify(item.GetPath()).c_str());
  }
  //! @todo STRING_CLEANUP
  else if (item.IsScript() && item.GetPath().size() > 9) // script://<foo>
    execute = StringUtils::Format("RunScript(%s)", StringUtils::Paramify(item.GetPath().substr(9)).c_str());
  else if (item.IsAddonsPath() && item.GetPath().size() > 9) // addons://<foo>
  {
    CURL url(item.GetPath());
    execute = StringUtils::Format("RunAddon(%s)", url.GetFileName().c_str());
  }
  else if (item.IsAndroidApp() && item.GetPath().size() > 26) // androidapp://sources/apps/<foo>
    execute = StringUtils::Format("StartAndroidActivity(%s)", StringUtils::Paramify(item.GetPath().substr(26)).c_str());
  else  // assume a media file
  {
    if (item.IsVideoDb() && item.HasVideoInfoTag())
      execute = StringUtils::Format("PlayMedia(%s)", StringUtils::Paramify(item.GetVideoInfoTag()->m_strFileNameAndPath).c_str());
    else if (item.IsMusicDb() && item.HasMusicInfoTag())
      execute = StringUtils::Format("PlayMedia(%s)", StringUtils::Paramify(item.GetMusicInfoTag()->GetURL()).c_str());
    else if (item.IsPicture())
      execute = StringUtils::Format("ShowPicture(%s)", StringUtils::Paramify(item.GetPath()).c_str());
    else
      execute = StringUtils::Format("PlayMedia(%s)", StringUtils::Paramify(item.GetPath()).c_str());
  }
  return execute;
}

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.........

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

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

  // 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);
    }
  }

  // remove this path from the list we're processing
  set<CStdString>::iterator it = m_pathsToScan.find(strDirectory);
  if (it != m_pathsToScan.end())
    m_pathsToScan.erase(it);

  // now scan the subfolders
  for (int i = 0; i < items.Size(); ++i)
  {
    CFileItem *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->m_strPath;
      if (!DoScan(strPath))
      {
        m_bStop = true;
      }
    }
  }

  return !m_bStop;
}

// \brief With this function you can react on a users click in the list/thumb panel.
// It returns true, if the click is handled.
// This function calls OnPlayMedia()
bool CGUIMediaWindow::OnClick(int iItem)
{
  if ( iItem < 0 || iItem >= (int)m_vecItems->Size() ) return true;
  CFileItem* pItem = m_vecItems->Get(iItem);

  if (pItem->IsParentFolder())
  {
    GoParentFolder();
    return true;
  }
  else if (pItem->m_bIsFolder)
  {
    if ( pItem->m_bIsShareOrDrive )
    {
      const CStdString& strLockType=m_guiState->GetLockType();
      if (g_settings.m_vecProfiles[0].getLockMode() != LOCK_MODE_EVERYONE)
        if (!strLockType.IsEmpty() && !g_passwordManager.IsItemUnlocked(pItem, strLockType))
            return true;

      if (!HaveDiscOrConnection(pItem->m_strPath, pItem->m_iDriveType))
        return true;
    }

    // remove the directory cache if the folder is not normally cached
    CFileItemList items(pItem->m_strPath);
    if (!items.AlwaysCache())
      items.RemoveDiscCache();

    CFileItem directory(*pItem);
    if (!Update(directory.m_strPath))
      ShowShareErrorMessage(&directory);

    return true;
  }
  else if (pItem->m_strPath.Left(9).Equals("plugin://"))
    return DIRECTORY::CPluginDirectory::RunScriptWithParams(pItem->m_strPath);
  else
  {
    m_iSelectedItem = m_viewControl.GetSelectedItem();

    if (pItem->m_strPath == "newplaylist://")
    {
      m_gWindowManager.ActivateWindow(WINDOW_MUSIC_PLAYLIST_EDITOR);
      return true;
    }
    else if (pItem->m_strPath.Left(19).Equals("newsmartplaylist://"))
    {
      if (CGUIDialogSmartPlaylistEditor::NewPlaylist(pItem->m_strPath.Mid(19)))
        Update(m_vecItems->m_strPath);
      return true;
    }

    if (m_guiState.get() && m_guiState->AutoPlayNextItem() && !g_partyModeManager.IsEnabled() && !pItem->IsPlayList())
    {
      // TODO: music videos!     
      if (pItem->m_strPath == "add" && pItem->GetLabel() == g_localizeStrings.Get(1026) && m_guiState->GetPlaylist() == PLAYLIST_MUSIC) // 'add source button' in empty root
      {
        if (CGUIDialogMediaSource::ShowAndAddMediaSource("music"))
        {
          Update("");
          return true;
        }
        return false;
      }

      //play and add current directory to temporary playlist
      int iPlaylist=m_guiState->GetPlaylist();
      if (iPlaylist != PLAYLIST_NONE)
      {
        g_playlistPlayer.ClearPlaylist(iPlaylist);
        g_playlistPlayer.Reset();
        int songToPlay = 0;
        CFileItemList queueItems;
        for ( int i = 0; i < m_vecItems->Size(); i++ )
        {
          CFileItem* item = m_vecItems->Get(i);

          if (item->m_bIsFolder)
            continue;

          if (!item->IsPlayList() && !item->IsZIP() && !item->IsRAR())
            queueItems.Add(item);

          if (item == pItem)
          { // item that was clicked
            songToPlay = queueItems.Size() - 1;
          }
        }
        g_playlistPlayer.Add(iPlaylist, queueItems);
        queueItems.ClearKeepPointer();

        // Save current window and directory to know where the selected item was
        if (m_guiState.get())
          m_guiState->SetPlaylistDirectory(m_vecItems->m_strPath);

        // figure out where we start playback
        if (g_playlistPlayer.IsShuffled(iPlaylist))
//.........这里部分代码省略.........

void CGUIWindowMusicNav::GetContextButtons(int itemNumber, CContextButtons &buttons)
{
  CGUIWindowMusicBase::GetContextButtons(itemNumber, buttons);

  CGUIDialogMusicScan *musicScan = (CGUIDialogMusicScan *)m_gWindowManager.GetWindow(WINDOW_DIALOG_MUSIC_SCAN);
  CFileItem *item = (itemNumber >= 0 && itemNumber < m_vecItems->Size()) ? m_vecItems->Get(itemNumber) : NULL;
  if (item && (item->GetExtraInfo().Find("lastfm") < 0))
  {
    // are we in the playlists location?
    bool inPlaylists = m_vecItems->m_strPath.Equals(CUtil::MusicPlaylistsLocation()) ||
                       m_vecItems->m_strPath.Equals("special://musicplaylists/");

    CMusicDatabaseDirectory dir;
    SScraperInfo info;
    m_musicdatabase.GetScraperForPath(item->m_strPath,info);
    // enable music info button on an album or on a song.
    if (item->IsAudio() && !item->IsPlayList() && !item->IsSmartPlayList() &&
       !item->IsLastFM() && !item->IsShoutCast())
    {
      buttons.Add(CONTEXT_BUTTON_SONG_INFO, 658);
    }
    else if (item->IsVideoDb())
    {
      if (!item->m_bIsFolder) // music video
       buttons.Add(CONTEXT_BUTTON_INFO, 20393);
      if (item->m_strPath.Left(14).Equals("videodb://3/4/") &&
          item->m_strPath.size() > 14 && item->m_bIsFolder)
      {
        long idArtist = m_musicdatabase.GetArtistByName(m_vecItems->Get(itemNumber)->GetLabel());
        if (idArtist > - 1)
          buttons.Add(CONTEXT_BUTTON_INFO,21891);
      }
    }
    else if (!inPlaylists && (dir.HasAlbumInfo(item->m_strPath)||
                              dir.IsArtistDir(item->m_strPath)   )      &&
             !dir.IsAllItem(item->m_strPath) && !item->IsParentFolder() &&
             !item->IsLastFM() && !item->IsShoutCast()                  &&
             !item->m_strPath.Left(14).Equals("musicsearch://"))
    {
      if (dir.IsArtistDir(item->m_strPath))
        buttons.Add(CONTEXT_BUTTON_INFO, 21891);
      else
        buttons.Add(CONTEXT_BUTTON_INFO, 13351);
    }

    // enable query all albums button only in album view
    if (dir.HasAlbumInfo(item->m_strPath) && !dir.IsAllItem(item->m_strPath) &&
        item->m_bIsFolder && !item->IsVideoDb() && !item->IsParentFolder()   &&
       !item->IsLastFM() &&  !item->IsShoutCast()                            &&
       !item->m_strPath.Left(14).Equals("musicsearch://"))
    {
      buttons.Add(CONTEXT_BUTTON_INFO_ALL, 20059);
    }

    // enable query all artist button only in album view
    if (dir.IsArtistDir(item->m_strPath)        && !dir.IsAllItem(item->m_strPath) &&
        item->m_bIsFolder && !item->IsVideoDb() && !info.strContent.IsEmpty())
    {
      buttons.Add(CONTEXT_BUTTON_INFO_ALL, 21884);
    }

    // turn off set artist image if not at artist listing.
    if (dir.IsArtistDir(item->m_strPath) && !dir.IsAllItem(item->m_strPath) ||
       (item->m_strPath.Left(14).Equals("videodb://3/4/") &&
        item->m_strPath.size() > 14 && item->m_bIsFolder))
    {
      buttons.Add(CONTEXT_BUTTON_SET_ARTIST_THUMB, 13359);
    }

    if (m_vecItems->m_strPath.Equals("plugin://music/"))
      buttons.Add(CONTEXT_BUTTON_SET_PLUGIN_THUMB, 1044);

    //Set default or clear default
    NODE_TYPE nodetype = dir.GetDirectoryType(item->m_strPath);
    if (!item->IsParentFolder() && !inPlaylists &&
        (nodetype == NODE_TYPE_ROOT     ||
         nodetype == NODE_TYPE_OVERVIEW ||
         nodetype == NODE_TYPE_TOP100))
    {
      if (!item->m_strPath.Equals(g_settings.m_defaultMusicLibSource))
        buttons.Add(CONTEXT_BUTTON_SET_DEFAULT, 13335); // set default
      if (strcmp(g_settings.m_defaultMusicLibSource, ""))
        buttons.Add(CONTEXT_BUTTON_CLEAR_DEFAULT, 13403); // clear default
    }
    NODE_TYPE childtype = dir.GetDirectoryChildType(item->m_strPath);
    if (childtype == NODE_TYPE_ALBUM || childtype == NODE_TYPE_ARTIST ||
        nodetype == NODE_TYPE_GENRE  || nodetype == NODE_TYPE_ALBUM)
    {
      // we allow the user to set content for
      // 1. general artist and album nodes
      // 2. specific per genre
      // 3. specific per artist
      // 4. specific per album
      buttons.Add(CONTEXT_BUTTON_SET_CONTENT,20195);
    }
    if (item->HasMusicInfoTag() && item->GetMusicInfoTag()->GetArtist().size() > 0)
    {
      CVideoDatabase database;
      database.Open();
      if (database.GetMusicVideoArtistByName(item->GetMusicInfoTag()->GetArtist()) > -1)
//.........这里部分代码省略.........