void CPlayerCoreFactory::GetPlayers( VECPLAYERCORES &vecCores )
{
  vecCores.push_back(EPC_DVDPLAYER);
  vecCores.push_back(EPC_PAPLAYER);
  vecCores.push_back(EPC_QTPLAYER);
  vecCores.push_back(EPC_PMSPLAYER);
}

PLAYERCOREID CPlayerCoreFactory::GetDefaultPlayer( const CFileItem& item )
{
  VECPLAYERCORES vecCores;
  GetPlayers(item, vecCores);

  //If we have any players return the first one
  if( vecCores.size() > 0 ) return vecCores.at(0);

  return EPC_NONE;
}

void CGUIWindowVideoPlaylist::GetContextButtons(int itemNumber, CContextButtons &buttons)
{
  int itemPlaying = g_playlistPlayer.GetCurrentSong();
  if (m_movingFrom >= 0)
  {
    if (itemNumber != m_movingFrom && (!g_partyModeManager.IsEnabled() || itemNumber > itemPlaying))
      buttons.Add(CONTEXT_BUTTON_MOVE_HERE, 13252);         // move item here
    buttons.Add(CONTEXT_BUTTON_CANCEL_MOVE, 13253);

  }
  else
  {
    if (itemNumber > -1)
    {
      CFileItemPtr item = m_vecItems->Get(itemNumber);
      // check what players we have, if we have multiple display play with option
      VECPLAYERCORES vecCores;
      if (item->IsVideoDb())
      {
        CFileItem item2(item->GetVideoInfoTag()->m_strFileNameAndPath, false);
        CPlayerCoreFactory::Get().GetPlayers(item2, vecCores);
      }
      else
        CPlayerCoreFactory::Get().GetPlayers(*item, vecCores);
      if (vecCores.size() > 1)
        buttons.Add(CONTEXT_BUTTON_PLAY_WITH, 15213); // Play With...

      if (XFILE::CFavouritesDirectory::IsFavourite(item.get(), GetID()))
        buttons.Add(CONTEXT_BUTTON_ADD_FAVOURITE, 14077);     // Remove Favourite
      else
        buttons.Add(CONTEXT_BUTTON_ADD_FAVOURITE, 14076);     // Add To Favourites;
    }
    if (itemNumber > (g_partyModeManager.IsEnabled() ? 1 : 0))
      buttons.Add(CONTEXT_BUTTON_MOVE_ITEM_UP, 13332);
    if (itemNumber + 1 < m_vecItems->Size())
      buttons.Add(CONTEXT_BUTTON_MOVE_ITEM_DOWN, 13333);
    if (!g_partyModeManager.IsEnabled() || itemNumber != itemPlaying)
      buttons.Add(CONTEXT_BUTTON_MOVE_ITEM, 13251);

    if (itemNumber != itemPlaying)
      buttons.Add(CONTEXT_BUTTON_DELETE, 15015);
  }
  if (g_partyModeManager.IsEnabled())
  {
    buttons.Add(CONTEXT_BUTTON_EDIT_PARTYMODE, 21439);
    buttons.Add(CONTEXT_BUTTON_CANCEL_PARTYMODE, 588);      // cancel party mode
  }

  if(itemNumber > 0 && itemNumber < m_vecItems->Size())
    CContextMenuManager::Get().AddVisibleItems(m_vecItems->Get(itemNumber), buttons);
}

JSONRPC_STATUS CPlayerOperations::GetPlayers(const std::string &method, ITransportLayer *transport, IClient *client, const CVariant &parameterObject, CVariant &result)
{
  std::string media = parameterObject["media"].asString();
  result = CVariant(CVariant::VariantTypeArray);
  VECPLAYERCORES players;

  if (media == "all")
    CPlayerCoreFactory::GetInstance().GetPlayers(players);
  else
  {
    bool video = false;
    if (media == "video")
      video = true;

    CPlayerCoreFactory::GetInstance().GetPlayers(players, true, video);
  }

  for (VECPLAYERCORES::const_iterator itPlayer = players.begin(); itPlayer != players.end(); ++itPlayer)
  {
    PLAYERCOREID playerId = *itPlayer;
    const CPlayerCoreConfig* playerConfig = CPlayerCoreFactory::GetInstance().GetPlayerConfig(playerId);
    if (playerConfig == NULL)
      continue;

    CVariant player(CVariant::VariantTypeObject);
    player["playercoreid"] = static_cast<int>(playerId);
    player["name"] = playerConfig->GetName();

    switch (playerConfig->GetType())
    {
      case EPC_EXTPLAYER:
        player["type"] = "external";
        break;

      case EPC_UPNPPLAYER:
        player["type"] = "remote";
        break;

      default:
        player["type"] = "internal";
        break;
    }

    player["playsvideo"] = playerConfig->PlaysVideo();
    player["playsaudio"] = playerConfig->PlaysAudio();

    result.push_back(player);
  }

  return OK;
}

EPLAYERCORES CPlayerCoreFactory::SelectPlayerDialog(VECPLAYERCORES &vecCores, float posX, float posY)
{

  CGUIDialogContextMenu *pMenu = (CGUIDialogContextMenu *)m_gWindowManager.GetWindow(WINDOW_DIALOG_CONTEXT_MENU);

  // Reset menu
  pMenu->Initialize();

  // Add all possible players
  auto_aptr<int> btn_Cores(NULL);
  if( vecCores.size() > 0 )
  {    
    btn_Cores = new int[ vecCores.size() ];
    btn_Cores[0] = 0;

    CStdString strCaption;

    //Add default player
    strCaption = CPlayerCoreFactory::GetPlayerName(vecCores[0]);
    strCaption += " (";
    strCaption += g_localizeStrings.Get(13278);
    strCaption += ")";
    btn_Cores[0] = pMenu->AddButton(strCaption);

    //Add all other players
    for( unsigned int i = 1; i < vecCores.size(); i++ )
    {
      strCaption = CPlayerCoreFactory::GetPlayerName(vecCores[i]);
      btn_Cores[i] = pMenu->AddButton(strCaption);
    }
  }

  // Display menu
  if (posX && posY)
    pMenu->OffsetPosition(posX, posY);
  else
    pMenu->CenterWindow();
  pMenu->DoModal();

  //Check what player we selected
  int btnid = pMenu->GetButton();
  for( unsigned int i = 0; i < vecCores.size(); i++ )
  {
    if( btnid == btn_Cores[i] )
    {
      return vecCores[i];
    }
  }

  return EPC_NONE;
}

void CGUIWindowMusicPlayList::GetContextButtons(int itemNumber, CContextButtons &buttons)
{
  // is this playlist playing?
  int itemPlaying = g_playlistPlayer.GetCurrentSong();

  if (itemNumber >= 0 && itemNumber < m_vecItems->Size())
  {
    CFileItemPtr item;
    item = m_vecItems->Get(itemNumber);

    if (m_movingFrom >= 0)
    {
      // we can move the item to any position not where we are, and any position not above currently
      // playing item in party mode
      if (itemNumber != m_movingFrom && (!g_partyModeManager.IsEnabled() || itemNumber > itemPlaying))
        buttons.Add(CONTEXT_BUTTON_MOVE_HERE, 13252);         // move item here
      buttons.Add(CONTEXT_BUTTON_CANCEL_MOVE, 13253);
    }
    else
    { // aren't in a move
      // check what players we have, if we have multiple display play with option
      VECPLAYERCORES vecCores;
      CPlayerCoreFactory::GetInstance().GetPlayers(*item, vecCores);
      if (vecCores.size() > 1)
        buttons.Add(CONTEXT_BUTTON_PLAY_WITH, 15213); // Play With...

      buttons.Add(CONTEXT_BUTTON_SONG_INFO, 658); // Song Info
      if (XFILE::CFavouritesDirectory::IsFavourite(item.get(), GetID()))
        buttons.Add(CONTEXT_BUTTON_ADD_FAVOURITE, 14077);     // Remove Favourite
      else
        buttons.Add(CONTEXT_BUTTON_ADD_FAVOURITE, 14076);     // Add To Favourites;
      if (itemNumber > (g_partyModeManager.IsEnabled() ? 1 : 0))
        buttons.Add(CONTEXT_BUTTON_MOVE_ITEM_UP, 13332);
      if (itemNumber + 1 < m_vecItems->Size())
        buttons.Add(CONTEXT_BUTTON_MOVE_ITEM_DOWN, 13333);
      if (!g_partyModeManager.IsEnabled() || itemNumber != itemPlaying)
        buttons.Add(CONTEXT_BUTTON_MOVE_ITEM, 13251);
      if (itemNumber != itemPlaying)
        buttons.Add(CONTEXT_BUTTON_DELETE, 1210); // Remove
    }
  }

  if (g_partyModeManager.IsEnabled())
  {
    buttons.Add(CONTEXT_BUTTON_EDIT_PARTYMODE, 21439);
    buttons.Add(CONTEXT_BUTTON_CANCEL_PARTYMODE, 588);      // cancel party mode
  }

  if (itemNumber >= 0 && itemNumber < m_vecItems->Size())
    CContextMenuManager::GetInstance().AddVisibleItems(m_vecItems->Get(itemNumber), buttons);
}

void CPlayerCoreFactory::GetRemotePlayers( VECPLAYERCORES &vecCores ) const
{
  CSingleLock lock(m_section);
  for(unsigned int i = 0; i < m_vecCoreConfigs.size(); i++)
  {
    if(m_vecCoreConfigs[i]->m_eCore != EPC_UPNPPLAYER)
      continue;
    vecCores.push_back(i+1);
  }
}

void CPlayerCoreFactory::GetPlayers( VECPLAYERCORES &vecCores ) const
{
  CSingleLock lock(m_section);
  for(unsigned int i = 0; i < m_vecCoreConfigs.size(); i++)
  {
    if(m_vecCoreConfigs[i]->m_eCore == EPC_NONE)
      continue;
    if (m_vecCoreConfigs[i]->m_bPlaysAudio || m_vecCoreConfigs[i]->m_bPlaysVideo)
      vecCores.push_back(i+1);
  }
}

void CPlayerCoreFactory::GetPlayers( VECPLAYERCORES &vecCores, const bool audio, const bool video )
{
  CLog::Log(LOGDEBUG, "CPlayerCoreFactory::GetPlayers: for video=%d, audio=%d", video, audio);

  for(unsigned int i = 0; i < s_vecCoreConfigs.size(); i++)
  {
    if (audio == s_vecCoreConfigs[i]->m_bPlaysAudio && video == s_vecCoreConfigs[i]->m_bPlaysVideo)
    {
      CLog::Log(LOGDEBUG, "CPlayerCoreFactory::GetPlayers: adding player: %s (%d)", s_vecCoreConfigs[i]->m_name.c_str(), i+1);
      vecCores.push_back(i+1);
    }
  }
}

PLAYERCOREID CPlayerCoreFactory::SelectPlayerDialog(VECPLAYERCORES &vecCores, float posX, float posY)
{
  CContextButtons choices;
  if (vecCores.size())
  {
    //Add default player
    CStdString strCaption = CPlayerCoreFactory::GetPlayerName(vecCores[0]);
    strCaption += " (";
    strCaption += g_localizeStrings.Get(13278);
    strCaption += ")";
    choices.Add(0, strCaption);

    //Add all other players
    for( unsigned int i = 1; i < vecCores.size(); i++ )
      choices.Add(i, CPlayerCoreFactory::GetPlayerName(vecCores[i]));

    int choice = CGUIDialogContextMenu::ShowAndGetChoice(choices);
    if (choice >= 0)
      return vecCores[choice];
  }
  return EPC_NONE;
}

void CGUIWindowMusicBase::GetContextButtons(int itemNumber, CContextButtons &buttons)
{
  CFileItemPtr item;
  if (itemNumber >= 0 && itemNumber < m_vecItems->Size())
    item = m_vecItems->Get(itemNumber);

  if (item && !item->GetProperty("pluginreplacecontextitems").asBoolean())
  {
    if (item && !item->IsParentFolder())
    {
      if (!m_vecItems->IsPlugin() && (item->IsPlugin() || item->IsScript()))
        buttons.Add(CONTEXT_BUTTON_INFO,24003); // Add-on info
      if (item->CanQueue() && !item->IsAddonsPath() && !item->IsScript())
      {
        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::GetInstance().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);
      }
      // Add the scan button(s)
      if (g_application.IsMusicScanning())
        buttons.Add(CONTEXT_BUTTON_STOP_SCANNING, 13353); // Stop Scanning
      else if (!m_vecItems->IsMusicDb() && !m_vecItems->IsInternetStream()           &&
          !item->IsPath("add") && !item->IsParentFolder() &&
          !item->IsPlugin() && !item->IsMusicDb()         &&
          !item->IsLibraryFolder() &&
          !StringUtils::StartsWithNoCase(item->GetPath(), "addons://")              &&
          (CProfilesManager::GetInstance().GetCurrentProfile().canWriteDatabases() || g_passwordManager.bMasterUser))
      {
        buttons.Add(CONTEXT_BUTTON_SCAN, 13352);
      }
#ifdef HAS_DVD_DRIVE
      // enable Rip CD Audio or Track button if we have an audio disc
      if (g_mediaManager.IsDiscInDrive() && m_vecItems->IsCDDA())
      {
        // those cds can also include Audio Tracks: CDExtra and MixedMode!
        MEDIA_DETECT::CCdInfo *pCdInfo = g_mediaManager.GetCdInfo();
        if (pCdInfo->IsAudio(1) || pCdInfo->IsCDExtra(1) || pCdInfo->IsMixedMode(1))
          buttons.Add(CONTEXT_BUTTON_RIP_TRACK, 610);
      }
#endif
    }

    // enable CDDB lookup if the current dir is CDDA
    if (g_mediaManager.IsDiscInDrive() && m_vecItems->IsCDDA() &&
       (CProfilesManager::GetInstance().GetCurrentProfile().canWriteDatabases() || g_passwordManager.bMasterUser))
    {
      buttons.Add(CONTEXT_BUTTON_CDDB, 16002);
    }
  }
  CGUIMediaWindow::GetContextButtons(itemNumber, buttons);
}

void CPlayerCoreFactory::GetPlayers( const CFileItem& item, VECPLAYERCORES &vecCores)
{
  CURL url(item.m_strPath);

  CLog::Log(LOGDEBUG, "CPlayerCoreFactory::GetPlayers(%s)", item.m_strPath.c_str());

  // ugly hack for ReplayTV. our filesystem is broken against real ReplayTV's (not the psuedo DVArchive)
  // it breaks down for small requests. As we can't allow truncated reads for all emulated dll file functions
  // we are often forced to do small reads to fill up the full buffer size wich seems gives garbage back
  if (url.GetProtocol().Equals("rtv"))
  {
    vecCores.push_back(EPC_MPLAYER); // vecCores.push_back(EPC_DVDPLAYER);
  }
  
  if (url.GetProtocol().Equals("hdhomerun")
  ||  url.GetProtocol().Equals("myth")
  ||  url.GetProtocol().Equals("cmyth")
  ||  url.GetProtocol().Equals("rtmp"))
  {
    vecCores.push_back(EPC_DVDPLAYER);
  }
  
  if (url.GetProtocol().Equals("lastfm") ||
      url.GetProtocol().Equals("shout"))
  {
    vecCores.push_back(EPC_PAPLAYER);
  }
   
  if (url.GetProtocol().Equals("mms"))
  {
    vecCores.push_back(EPC_DVDPLAYER);    
  }

  // dvdplayer can play standard rtsp streams
  if (url.GetProtocol().Equals("rtsp") 
  && !url.GetFileType().Equals("rm") 
  && !url.GetFileType().Equals("ra"))
  {
    vecCores.push_back(EPC_DVDPLAYER);
  }

  // Special care in case it's an internet stream
  if (item.IsInternetStream())
  {
    CStdString content = item.GetContentType();
    CLog::Log(LOGDEBUG, "%s - Item is an internet stream, content-type=%s", __FUNCTION__, content.c_str());

    if (content == "video/x-flv"
    ||  content == "video/flv")
    {
      vecCores.push_back(EPC_DVDPLAYER);
    }
    else if (content == "audio/aacp")
    {
      vecCores.push_back(EPC_DVDPLAYER);
    }
    else if (content == "application/sdp")
    {
      vecCores.push_back(EPC_DVDPLAYER);
    }
    else if (content == "application/octet-stream")
    {
      //unknown contenttype, send mp2 to pap
      if( url.GetFileType() == "mp2")
        vecCores.push_back(EPC_PAPLAYER);
    }
  }

  if (item.IsDVD() || item.IsDVDFile() || item.IsDVDImage())
  {
    if ( g_advancedSettings.m_videoDefaultDVDPlayer == "externalplayer" )
    {
      vecCores.push_back(EPC_EXTPLAYER);
      vecCores.push_back(EPC_DVDPLAYER);
    }
    else
    {
      vecCores.push_back(EPC_DVDPLAYER);
      vecCores.push_back(EPC_EXTPLAYER);
    }
  }

  
  // only dvdplayer can handle these normally
  if (url.GetFileType().Equals("sdp") 
  ||  url.GetFileType().Equals("asf"))
  {
    vecCores.push_back(EPC_DVDPLAYER);
  }

  // Set video default player. Check whether it's video first (overrule audio check)
  // Also push these players in case it is NOT audio either
  if (item.IsVideo() || !item.IsAudio())
  {
    if ( g_advancedSettings.m_videoDefaultPlayer == "externalplayer" )
    {
      vecCores.push_back(EPC_EXTPLAYER);
      vecCores.push_back(EPC_DVDPLAYER);
    }
    else
//.........这里部分代码省略.........

//.........这里部分代码省略.........

    CPVRRecordings *recordingsContainer = g_PVRRecordings;
    if (recordingsContainer == NULL)
      return FailedToExecute;

    CFileItemPtr fileItem = recordingsContainer->GetById((int)parameterObject["item"]["recordingid"].asInteger());
    if (fileItem == NULL)
      return InvalidParams;

    CFileItemList *l = new CFileItemList; //don't delete,
    l->Add(std::make_shared<CFileItem>(*fileItem));
    CApplicationMessenger::GetInstance().PostMsg(TMSG_MEDIA_PLAY, -1, -1, static_cast<void*>(l));

    return ACK;
  }
  else
  {
    CFileItemList list;
    if (FillFileItemList(parameterObject["item"], list) && list.Size() > 0)
    {
      bool slideshow = true;
      for (int index = 0; index < list.Size(); index++)
      {
        if (!list[index]->IsPicture())
        {
          slideshow = false;
          break;
        }
      }

      if (slideshow)
      {
        CGUIWindowSlideShow *slideshow = (CGUIWindowSlideShow*)g_windowManager.GetWindow(WINDOW_SLIDESHOW);
        if (!slideshow)
          return FailedToExecute;

        SendSlideshowAction(ACTION_STOP);
        slideshow->Reset();
        for (int index = 0; index < list.Size(); index++)
          slideshow->Add(list[index].get());

        return StartSlideshow("", false, optionShuffled.isBoolean() && optionShuffled.asBoolean());
      }
      else
      {
        // Handle the "playerid" option
        if (!optionPlayer.isNull())
        {
          PLAYERCOREID playerId = EPC_NONE;
          if (optionPlayer.isInteger())
          {
            playerId = (PLAYERCOREID)optionPlayer.asInteger();
            // check if the there's actually a player with the given player ID
            if (CPlayerCoreFactory::GetInstance().GetPlayerConfig(playerId) == NULL)
              return InvalidParams;

            // check if the player can handle at least the first item in the list
            VECPLAYERCORES possiblePlayers;
            CPlayerCoreFactory::GetInstance().GetPlayers(*list.Get(0).get(), possiblePlayers);
            VECPLAYERCORES::const_iterator matchingPlayer = std::find(possiblePlayers.begin(), possiblePlayers.end(), playerId);
            if (matchingPlayer == possiblePlayers.end())
              return InvalidParams;
          }
          else if (!optionPlayer.isString() || optionPlayer.asString().compare("default") != 0)
            return InvalidParams;

          // set the next player to be used
          g_application.m_eForcedNextPlayer = playerId;
        }

        // Handle "shuffled" option
        if (optionShuffled.isBoolean())
          list.SetProperty("shuffled", optionShuffled);
        // Handle "repeat" option
        if (!optionRepeat.isNull())
          list.SetProperty("repeat", ParseRepeatState(optionRepeat));
        // Handle "resume" option
        if (list.Size() == 1)
        {
          if (optionResume.isBoolean() && optionResume.asBoolean())
            list[0]->m_lStartOffset = STARTOFFSET_RESUME;
          else if (optionResume.isDouble())
            list[0]->SetProperty("StartPercent", optionResume);
          else if (optionResume.isObject())
            list[0]->m_lStartOffset = (int)(ParseTimeInSeconds(optionResume) * 75.0);
        }

        auto l = new CFileItemList(); //don't delete
        l->Copy(list);
        CApplicationMessenger::GetInstance().SendMsg(TMSG_MEDIA_PLAY, -1, -1, static_cast<void*>(l));
      }

      return ACK;
    }
    else
      return InvalidParams;
  }

  return InvalidParams;
}

void CGUIWindowFileManager::OnPopupMenu(int list, int item, bool bContextDriven /* = true */)
{
  if (list < 0 || list > 2) return ;
  bool bDeselect = SelectItem(list, item);
  // calculate the position for our menu
  float posX = 200;
  float posY = 100;
  const CGUIControl *pList = GetControl(CONTROL_LEFT_LIST + list);
  if (pList)
  {
    posX = pList->GetXPosition() + pList->GetWidth() / 2;
    posY = pList->GetYPosition() + pList->GetHeight() / 2;
  }

  CFileItemPtr pItem = m_vecItems[list]->Get(item);
  if (!pItem.get())
    return;

  if (m_Directory[list]->IsVirtualDirectoryRoot())
  {
    if (item < 0)
    { // TODO: We should add the option here for shares to be added if there aren't any
      return ;
    }

    // and do the popup menu
    if (CGUIDialogContextMenu::SourcesMenu("files", pItem, posX, posY))
    {
      m_rootDir.SetSources(g_settings.m_fileSources);
      if (m_Directory[1 - list]->IsVirtualDirectoryRoot())
        Refresh();
      else
        Refresh(list);
      return ;
    }
    pItem->Select(false);
    return ;
  }
  // popup the context menu
  CGUIDialogContextMenu *pMenu = (CGUIDialogContextMenu *)m_gWindowManager.GetWindow(WINDOW_DIALOG_CONTEXT_MENU);
  if (pMenu)
  {
    bool showEntry = false;
    if (item >= m_vecItems[list]->Size()) item = -1;
    if (item >= 0)
      showEntry=(!pItem->IsParentFolder() || (pItem->IsParentFolder() && m_vecItems[list]->GetSelectedCount()>0));

    // determine available players
    VECPLAYERCORES vecCores;
    CPlayerCoreFactory::GetPlayers(*pItem, vecCores);

    // load our menu
    pMenu->Initialize();
    // add the needed buttons
    int btn_SelectAll = pMenu->AddButton(188); // SelectAll

    int btn_HandleFavourite;  // Add/Remove Favourite
    if (CFavourites::IsFavourite(pItem.get(), GetID()))
      btn_HandleFavourite = pMenu->AddButton(14077);
    else
      btn_HandleFavourite = pMenu->AddButton(14076);

    int btn_PlayUsing = pMenu->AddButton(15213); // Play Using ..
    int btn_Rename = pMenu->AddButton(118); // Rename
    int btn_Delete = pMenu->AddButton(117); // Delete
    int btn_Copy = pMenu->AddButton(115); // Copy
    int btn_Move = pMenu->AddButton(116); // Move
    int btn_NewFolder = pMenu->AddButton(20309); // New Folder
    int btn_Size = pMenu->AddButton(13393); // Calculate Size
    int btn_Settings = pMenu->AddButton(5);     // Settings
    int btn_GoToRoot = pMenu->AddButton(20128); // Go To Root
    int btn_Switch = pMenu->AddButton(523);     // switch media

    pMenu->EnableButton(btn_SelectAll, item >= 0);
    pMenu->EnableButton(btn_HandleFavourite, item >=0 && !pItem->IsParentFolder());
    pMenu->EnableButton(btn_PlayUsing, item >= 0 && vecCores.size() > 1);
    pMenu->EnableButton(btn_Rename, item >= 0 && CanRename(list) && !pItem->IsParentFolder());
    pMenu->EnableButton(btn_Delete, item >= 0 && CanDelete(list) && showEntry);
    pMenu->EnableButton(btn_Copy, item >= 0 && CanCopy(list) && showEntry);
    pMenu->EnableButton(btn_Move, item >= 0 && CanMove(list) && showEntry);
    pMenu->EnableButton(btn_NewFolder, CanNewFolder(list));
    pMenu->EnableButton(btn_Size, item >=0 && pItem->m_bIsFolder && !pItem->IsParentFolder());

    // position it correctly
    pMenu->OffsetPosition(posX, posY);
    pMenu->DoModal();
    int btnid = pMenu->GetButton();
    if (btnid == btn_SelectAll)
    {
      OnSelectAll(list);
      bDeselect=false;
    }
    if (btnid == btn_HandleFavourite)
    {
      CFavourites::AddOrRemove(pItem.get(), GetID());
      return;
    }
    if (btnid == btn_PlayUsing)
    {
      VECPLAYERCORES vecCores;
//.........这里部分代码省略.........