C++ CGUIDialogProgress::StartModal方法代码示例

bool CGUIMediaWindow::WaitForNetwork() const
{
  if (g_application.getNetwork().IsAvailable())
    return true;

  CGUIDialogProgress *progress = (CGUIDialogProgress *)g_windowManager.GetWindow(WINDOW_DIALOG_PROGRESS);
  if (!progress)
    return true;

  CURL url(m_vecItems->GetPath());
  progress->SetHeading(1040); // Loading Directory
  progress->SetLine(1, url.GetWithoutUserDetails());
  progress->ShowProgressBar(false);
  progress->StartModal();
  while (!g_application.getNetwork().IsAvailable())
  {
    progress->Progress();
    if (progress->IsCanceled())
    {
      progress->Close();
      return false;
    }
  }
  progress->Close();
  return true;
}

 /*! \brief Progress callback from rar manager.
  \return true to continue processing, false to cancel.
  */
 bool progress(int progress, const char *text)
 {
   bool cont(true);
   if (shown || showTime.IsTimePast())
   {
     // grab the busy and show it
     CGUIDialogProgress* dlg = (CGUIDialogProgress*)g_windowManager.GetWindow(WINDOW_DIALOG_PROGRESS);
     if (dlg)
     {
       if (!shown)
       {
         dlg->SetHeading(heading);
         dlg->StartModal();
       }
       if (progress >= 0)
       {
         dlg->ShowProgressBar(true);
         dlg->SetPercentage(progress);
       }
       if (text)
         dlg->SetLine(1, text);
       cont = !dlg->IsCanceled();
       shown = true;
       // tell render loop to spin
       dlg->Progress();
     }
   }
   return cont;
 };

bool CGUIWindowSettings::ShowLegal()
{
  if (m_legalString.IsEmpty())
  {
    CGUIDialogProgress* progress = (CGUIDialogProgress *)g_windowManager.GetWindow(WINDOW_DIALOG_PROGRESS);
    if (progress)
    {
      progress->StartModal();
      progress->Progress();
    }

    // verify the username is available
    CStdString strUrl = BOXEE::BXConfiguration::GetInstance().GetStringParam("Boxee.Legal","http://app.boxee.tv/api/getlegal?page=legal");
    BOXEE::BXCurl curl;

    m_legalString = curl.HttpGetString(strUrl, false);

    if (progress)
    {
      progress->Close();
    }

    if (m_legalString.IsEmpty())
    {
      CGUIDialogOK2::ShowAndGetInput(g_localizeStrings.Get(53701), g_localizeStrings.Get(53431));
      return true;
    }
  }

  CGUIDialogBoxeeMessageScroll::ShowAndGetInput(g_localizeStrings.Get(53441), m_legalString);
  return true;
}

void CGUIDialogPVRChannelManager::SaveList(void)
{
  if (!m_bContainsChanges)
   return;

  /* display the progress dialog */
  CGUIDialogProgress* pDlgProgress = (CGUIDialogProgress*)g_windowManager.GetWindow(WINDOW_DIALOG_PROGRESS);
  pDlgProgress->SetHeading(190);
  pDlgProgress->SetLine(0, "");
  pDlgProgress->SetLine(1, 328);
  pDlgProgress->SetLine(2, "");
  pDlgProgress->StartModal();
  pDlgProgress->Progress();
  pDlgProgress->SetPercentage(0);

  /* persist all channels */
  unsigned int iNextChannelNumber(0);
  CPVRChannelGroupPtr group = g_PVRChannelGroups->GetGroupAll(m_bIsRadio);
  if (!group)
    return;
  for (int iListPtr = 0; iListPtr < m_channelItems->Size(); iListPtr++)
  {
    CFileItemPtr pItem = m_channelItems->Get(iListPtr);
    PersistChannel(pItem, group, &iNextChannelNumber);

    pDlgProgress->SetPercentage(iListPtr * 100 / m_channelItems->Size());
  }

  group->SortAndRenumber();
  group->Persist();
  m_bContainsChanges = false;
  SetItemsUnchanged();
  pDlgProgress->Close();
}

void CGUIWindowPVRSearch::OnPrepareFileItems(CFileItemList &items)
{
  items.Clear();

  CFileItemPtr item(new CFileItem("pvr://guide/searchresults/search/", true));
  item->SetLabel(g_localizeStrings.Get(19140));
  item->SetLabelPreformated(true);
  item->SetSpecialSort(SortSpecialOnTop);
  items.Add(item);

  if (m_bSearchConfirmed)
  {
    CGUIDialogProgress* dlgProgress = (CGUIDialogProgress*)g_windowManager.GetWindow(WINDOW_DIALOG_PROGRESS);
    if (dlgProgress)
    {
      dlgProgress->SetHeading(194);
      dlgProgress->SetText(CVariant(m_searchfilter.m_strSearchTerm));
      dlgProgress->StartModal();
      dlgProgress->Progress();
    }

    // TODO should we limit the find similar search to the selected group?
    g_EpgContainer.GetEPGSearch(items, m_searchfilter);

    if (dlgProgress)
      dlgProgress->Close();

    if (items.IsEmpty())
    {
      CGUIDialogOK::ShowAndGetInput(194, 284, 0, 0);
      m_bSearchConfirmed = false;
    }
  }
}

void CGUIWindowPVRSearch::UpdateData(bool bUpdateSelectedFile /* = true */)
{
  CLog::Log(LOGDEBUG, "CGUIWindowPVRSearch - %s - update window '%s'. set view to %d", __FUNCTION__, GetName(), m_iControlList);
  m_bUpdateRequired = false;

  /* lock the graphics context while updating */
  CSingleLock graphicsLock(g_graphicsContext);

  m_iSelected = m_parent->m_viewControl.GetSelectedItem();
  m_parent->m_viewControl.Clear();
  m_parent->m_vecItems->Clear();
  m_parent->m_viewControl.SetCurrentView(m_iControlList);

  if (m_bSearchConfirmed)
  {
    CGUIDialogProgress* dlgProgress = (CGUIDialogProgress*)g_windowManager.GetWindow(WINDOW_DIALOG_PROGRESS);
    if (dlgProgress)
    {
      dlgProgress->SetHeading(194);
      dlgProgress->SetLine(0, m_searchfilter.m_strSearchTerm);
      dlgProgress->SetLine(1, "");
      dlgProgress->SetLine(2, "");
      dlgProgress->StartModal();
      dlgProgress->Progress();
    }

    // TODO get this from the selected channel group
    g_EpgContainer.GetEPGSearch(*m_parent->m_vecItems, m_searchfilter);
    if (dlgProgress)
      dlgProgress->Close();

    if (m_parent->m_vecItems->Size() == 0)
    {
      CGUIDialogOK::ShowAndGetInput(194, 284, 0, 0);
      m_bSearchConfirmed = false;
    }
  }

  if (m_parent->m_vecItems->Size() == 0)
  {
    CFileItemPtr item;
    item.reset(new CFileItem("pvr://guide/searchresults/empty.epg", false));
    item->SetLabel(g_localizeStrings.Get(19027));
    item->SetLabelPreformated(true);
    m_parent->m_vecItems->Add(item);
  }
  else
  {
    m_parent->m_vecItems->Sort(m_iSortMethod, m_iSortOrder, m_iSortAttributes);
  }

  m_parent->m_viewControl.SetItems(*m_parent->m_vecItems);

  if (bUpdateSelectedFile)
    m_parent->m_viewControl.SetSelectedItem(m_iSelected);

  m_parent->SetLabel(CONTROL_LABELHEADER, g_localizeStrings.Get(283));
  m_parent->SetLabel(CONTROL_LABELGROUP, "");
}

bool CUPnPAvDirectory::GetDirectory(const CStdString& strPath, CFileItemList &items)
{
  CURI url(strPath);

  m_cacheDirectory = DIR_CACHE_ALWAYS;

  if(url.GetProtocol() != "upnp")
  {
     CLog::Log(LOGERROR, "CUPnPAvDirectory::%s - invalid protocol [%s]", __func__, url.GetProtocol().c_str());
     return false;
  }

  CBrowserService* pBrowser = g_application.GetBrowserService();

  if( strPath == "upnp://" && pBrowser )
  {
    pBrowser->GetShare( CBrowserService::UPNP_SHARE, items );
    return true;
  }

  // If we have the items in the cache, return them
  if (g_directoryCache.GetDirectory(strPath, items))
  {
    return true;
  }

  if(strPath == "upnp://all")
  {
     bool bSuccess = ScanUPnPShares(items);
     if(!bSuccess)
     {
       IHalServices& client = CHalServicesFactory::GetInstance();
       client.DjmountRestart();

       CLog::Log(LOGWARNING, "CUPnPAvDirectory::%s - failed to scan UPnP shares, retrying...", __func__);

       CGUIDialogProgress* progress = (CGUIDialogProgress *)g_windowManager.GetWindow(WINDOW_DIALOG_PROGRESS);
       if (progress)
       {
         CStdString strId;
         strId.Format("%d-upnp-scan-retry", CThread::GetCurrentThreadId());
         progress->StartModal(strId);
         progress->Progress();
       }

       // hopefully djmount will be able to find all shares
       Sleep(5000);

       bSuccess = ScanUPnPShares(items);

       progress->Close();
     }

     return bSuccess;
  }

  return ReadDir(url, items);
}

bool CGUIWindowBoxeeWizardNetwork::SaveConfiguration()
{
   if (!NetworkConfigurationChanged())
      return true;
      
   bool result = false;
   CStdString currentEssId;
   CStdString currentKey;
   EncMode    currentEnc;
   CStdString currentInterfaceName;
   
   GetUserConfiguration(currentInterfaceName, currentEssId, currentKey, currentEnc);
   
   CGUIDialogProgress* pDlgProgress = (CGUIDialogProgress*)m_gWindowManager.GetWindow(WINDOW_DIALOG_PROGRESS);
   pDlgProgress->SetHeading("");
   pDlgProgress->SetLine(0, "Applying network configuration...");
   pDlgProgress->SetLine(1, "");
   pDlgProgress->SetLine(2, "");
   pDlgProgress->StartModal();
   pDlgProgress->Progress();
        
   CStdString empty;
   NetworkAssignment assignment;
   CNetworkInterface* interface; 
   for (unsigned int i = 0; i < m_interfaces.size(); i++)
   {
      interface = m_interfaces[i];
      if (interface->GetName() == currentInterfaceName)
      {
         assignment = NETWORK_DHCP;
         interface->SetSettings(assignment, empty, empty, empty, currentEssId, currentKey, currentEnc);
      }
      else
      { 
         // if we have a different interfaces, we need to take them down
         assignment = NETWORK_DISABLED;
         EncMode enc = ENC_NONE;
         interface->SetSettings(assignment, empty, empty, empty, empty, empty, enc);
      }
   }
   
   pDlgProgress->Close();
     
   if (!interface->IsConnected())
      CGUIDialogOK::ShowAndGetInput(0, 50001, 50002, 0);
   else if (!g_application.IsConnectedToNet())
      CGUIDialogOK::ShowAndGetInput(0, 50003, 50004, 50002);
   else
      result = true;
          
   ResetCurrentNetworkState();
   
   return result;
}

bool CAddonInstaller::PromptForInstall(const std::string &addonID, AddonPtr &addon)
{
  if (!g_passwordManager.CheckMenuLock(WINDOW_ADDON_BROWSER))
    return false;

  // we assume that addons that are enabled don't get to this routine (i.e. that GetAddon() has been called)
  if (CAddonMgr::Get().GetAddon(addonID, addon, ADDON_UNKNOWN, false))
    return false; // addon is installed but disabled, and the user has specifically activated something that needs
                  // the addon - should we enable it?

  // check we have it available
  CAddonDatabase database;
  database.Open();
  if (database.GetAddon(addonID, addon))
  { // yes - ask user if they want it installed
    if (!CGUIDialogYesNo::ShowAndGetInput(g_localizeStrings.Get(24076), g_localizeStrings.Get(24100),
                                          addon->Name().c_str(), g_localizeStrings.Get(24101)))
      return false;
    if (Install(addonID, true))
    {
      CGUIDialogProgress *progress = (CGUIDialogProgress *)g_windowManager.GetWindow(WINDOW_DIALOG_PROGRESS);
      if (progress)
      {
        progress->SetHeading(13413); // Downloading
        progress->SetLine(0, "");
        progress->SetLine(1, addon->Name());
        progress->SetLine(2, "");
        progress->SetPercentage(0);
        progress->StartModal();
        while (true)
        {
          progress->Progress();
          unsigned int percent;
          if (progress->IsCanceled())
          {
            Cancel(addonID);
            break;
          }
          if (!GetProgress(addonID, percent))
            break;
          progress->SetPercentage(percent);
        }
        progress->Close();
      }
      return CAddonMgr::Get().GetAddon(addonID, addon);
    }
  }
  return false;
}

/// \brief Search the current directory for a string got from the virtual keyboard
void CGUIDialogVideoInfo::OnSearch(CStdString& strSearch)
{
  CGUIDialogProgress *progress = (CGUIDialogProgress *)g_windowManager.GetWindow(WINDOW_DIALOG_PROGRESS);
  if (progress)
  {
    progress->SetHeading(194);
    progress->SetLine(0, strSearch);
    progress->SetLine(1, "");
    progress->SetLine(2, "");
    progress->StartModal();
    progress->Progress();
  }
  CFileItemList items;
  DoSearch(strSearch, items);

  if (progress)
    progress->Close();

  if (items.Size())
  {
    CGUIDialogSelect* pDlgSelect = (CGUIDialogSelect*)g_windowManager.GetWindow(WINDOW_DIALOG_SELECT);
    pDlgSelect->Reset();
    pDlgSelect->SetHeading(283);

    for (int i = 0; i < (int)items.Size(); i++)
    {
      CFileItemPtr pItem = items[i];
      pDlgSelect->Add(pItem->GetLabel());
    }

    pDlgSelect->DoModal();

    int iItem = pDlgSelect->GetSelectedLabel();
    if (iItem < 0)
      return;

    CFileItem* pSelItem = new CFileItem(*items[iItem]);

    OnSearchItemFound(pSelItem);

    delete pSelItem;
  }
  else
  {
    CGUIDialogOK::ShowAndGetInput(194, 284, 0, 0);
  }
}

bool CAsyncFileCopy::Copy(const std::string &from, const std::string &to, const std::string &heading)
{
  // reset the variables to their appropriate states
  m_from = from;
  m_to = to;
  m_cancelled = false;
  m_succeeded = false;
  m_percent = 0;
  m_speed = 0;
  m_running = true;
  CURL url1(from);
  CURL url2(to);

  // create our thread, which starts the file copy operation
  Create();
  CGUIDialogProgress *dlg = (CGUIDialogProgress *)g_windowManager.GetWindow(WINDOW_DIALOG_PROGRESS);
  unsigned int time = XbmcThreads::SystemClockMillis();
  while (m_running)
  {
    m_event.WaitMSec(1000 / 30);
    if (!m_running)
      break;
    // start the dialog up as needed
    if (dlg && !dlg->IsDialogRunning() && (XbmcThreads::SystemClockMillis() - time) > 500) // wait 0.5 seconds before starting dialog
    {
      dlg->SetHeading(CVariant{heading});
      dlg->SetLine(0, CVariant{url1.GetWithoutUserDetails()});
      dlg->SetLine(1, CVariant{url2.GetWithoutUserDetails()});
      dlg->SetPercentage(0);
      dlg->StartModal();
    }
    // and update the dialog as we go
    if (dlg && dlg->IsDialogRunning())
    {
      dlg->SetHeading(CVariant{heading});
      dlg->SetLine(0, CVariant{url1.Get()});
      dlg->SetLine(1, CVariant{url2.Get()});
      dlg->SetLine(2, CVariant{ StringUtils::Format("%2.2f KB/s", m_speed / 1024) });
      dlg->SetPercentage(m_percent);
      dlg->Progress();
      m_cancelled = dlg->IsCanceled();
    }
  }
  if (dlg)
    dlg->Close();
  return !m_cancelled && m_succeeded;
}

void CGUIDialogPVRChannelManager::SaveList(void)
{
    if (!m_bContainsChanges)
        return;

    /* display the progress dialog */
    CGUIDialogProgress* pDlgProgress = (CGUIDialogProgress*)g_windowManager.GetWindow(WINDOW_DIALOG_PROGRESS);
    pDlgProgress->SetHeading(CVariant{190});
    pDlgProgress->SetLine(0, CVariant{""});
    pDlgProgress->SetLine(1, CVariant{328});
    pDlgProgress->SetLine(2, CVariant{""});
    pDlgProgress->StartModal();
    pDlgProgress->Progress();
    pDlgProgress->SetPercentage(0);

    /* persist all channels */
    unsigned int iNextChannelNumber(0);
    CPVRChannelGroupPtr group = g_PVRChannelGroups->GetGroupAll(m_bIsRadio);
    if (!group)
        return;

    for (int iListPtr = 0; iListPtr < m_channelItems->Size(); iListPtr++)
    {
        CFileItemPtr pItem = m_channelItems->Get(iListPtr);

        if (!pItem->HasPVRChannelInfoTag())
            continue;

        if (pItem->GetProperty("SupportsSettings").asBoolean())
            RenameChannel(pItem);

        PersistChannel(pItem, group, &iNextChannelNumber);

        pDlgProgress->SetPercentage(iListPtr * 100 / m_channelItems->Size());
    }

    group->SortAndRenumber();
    group->Persist();
    m_bContainsChanges = false;
    SetItemsUnchanged();
    pDlgProgress->Close();
}

bool CMultiPathDirectory::GetDirectory(const CStdString& strPath, CFileItemList &items)
{
  CLog::Log(LOGDEBUG,"CMultiPathDirectory::GetDirectory(%s)", strPath.c_str());

  vector<CStdString> vecPaths;
  if (!GetPaths(strPath, vecPaths))
    return false;

  unsigned int progressTime = CTimeUtils::GetTimeMS() + 3000L;   // 3 seconds before showing progress bar
  CGUIDialogProgress* dlgProgress = NULL;

  unsigned int iFailures = 0;
  for (unsigned int i = 0; i < vecPaths.size(); ++i)
  {
    // show the progress dialog if we have passed our time limit
    if (CTimeUtils::GetTimeMS() > progressTime && !dlgProgress)
    {
      dlgProgress = (CGUIDialogProgress *)g_windowManager.GetWindow(WINDOW_DIALOG_PROGRESS);
      if (dlgProgress)
      {
        dlgProgress->SetHeading(15310);
        dlgProgress->SetLine(0, 15311);
        dlgProgress->SetLine(1, "");
        dlgProgress->SetLine(2, "");
        dlgProgress->StartModal();
        dlgProgress->ShowProgressBar(true);
        dlgProgress->SetProgressMax((int)vecPaths.size()*2);
        dlgProgress->Progress();
      }
    }
    if (dlgProgress)
    {
      CURL url(vecPaths[i]);
      dlgProgress->SetLine(1, url.GetWithoutUserDetails());
      dlgProgress->SetProgressAdvance();
      dlgProgress->Progress();
    }

    CFileItemList tempItems;
    CLog::Log(LOGDEBUG,"Getting Directory (%s)", vecPaths[i].c_str());
    if (CDirectory::GetDirectory(vecPaths[i], tempItems, m_strFileMask, m_useFileDirectories, m_allowPrompting, m_cacheDirectory, m_extFileInfo))
      items.Append(tempItems);
    else
    {
      CLog::Log(LOGERROR,"Error Getting Directory (%s)", vecPaths[i].c_str());
      iFailures++;
    }

    if (dlgProgress)
    {
      dlgProgress->SetProgressAdvance();
      dlgProgress->Progress();
    }
  }

  if (dlgProgress)
    dlgProgress->Close();

  if (iFailures == vecPaths.size())
    return false;

  // merge like-named folders into a sub multipath:// style url
  MergeItems(items);

  return true;
}

bool CFileShoutcast::Open(const CURL& url, bool bBinary)
{
  m_dwLastTime = timeGetTime();
  int ret;

  CGUIDialogProgress* dlgProgress = (CGUIDialogProgress*)m_gWindowManager.GetWindow(WINDOW_DIALOG_PROGRESS);

  set_rip_manager_options_defaults(&m_opt);

  strcpy(m_opt.output_directory, "./");
  m_opt.proxyurl[0] = '\0';

  // Use a proxy, if the GUI was configured as such
  bool bProxyEnabled = g_guiSettings.GetBool("network.usehttpproxy");
  if (bProxyEnabled)
  {
    const CStdString &strProxyServer = g_guiSettings.GetString("network.httpproxyserver");
    const CStdString &strProxyPort = g_guiSettings.GetString("network.httpproxyport");
	  // Should we check for valid strings here
#ifndef _LINUX
	  _snprintf( m_opt.proxyurl, MAX_URL_LEN, "http://%s:%s", strProxyServer.c_str(), strProxyPort.c_str() );
#else
	  snprintf( m_opt.proxyurl, MAX_URL_LEN, "http://%s:%s", strProxyServer.c_str(), strProxyPort.c_str() );
#endif
  }

  CStdString strUrl;
  url.GetURL(strUrl);
  strUrl.Replace("shout://", "http://");
  printf("Opening url: %s\n", strUrl.c_str());
  strncpy(m_opt.url, strUrl.c_str(), MAX_URL_LEN);
  sprintf(m_opt.useragent, "x%s", url.GetFileName().c_str());
  if (dlgProgress)
  {
    dlgProgress->SetHeading(260);
    dlgProgress->SetLine(0, 259);
    dlgProgress->SetLine(1, strUrl);
    dlgProgress->SetLine(2, "");
    if (!dlgProgress->IsDialogRunning())
      dlgProgress->StartModal();
    dlgProgress->Progress();
  }

  if ((ret = rip_manager_start(rip_callback, &m_opt)) != SR_SUCCESS)
  {
    if (dlgProgress) dlgProgress->Close();
    return false;
  }
  int iShoutcastTimeout = 10 * SHOUTCASTTIMEOUT; //i.e: 10 * 10 = 100 * 100ms = 10s
  int iCount = 0;
  while (!m_fileState.bRipDone && !m_fileState.bRipStarted && !m_fileState.bRipError && (!dlgProgress || !dlgProgress->IsCanceled()))
  {
    if (iCount <= iShoutcastTimeout) //Normally, this isn't the problem,
      //because if RIP_MANAGER fails, this would be here
      //with m_fileState.bRipError
    {
      Sleep(100);
    }
    else
    {
      if (dlgProgress)
      {
        dlgProgress->SetLine(1, 257);
        dlgProgress->SetLine(2, "Connection timed out...");
        Sleep(1500);
        dlgProgress->Close();
      }
      return false;
    }
    iCount++;
  }
  
  if (dlgProgress && dlgProgress->IsCanceled())
  {
     Close();
     dlgProgress->Close();
     return false;
  }

  /* store content type of stream */
  m_contenttype = rip_manager_get_content_type();

  //CHANGED CODE: Don't reset timer anymore.

  while (!m_fileState.bRipDone && !m_fileState.bRipError && m_fileState.bBuffering && (!dlgProgress || !dlgProgress->IsCanceled()))
  {
    if (iCount <= iShoutcastTimeout) //Here is the real problem: Sometimes the buffer fills just to
      //slowly, thus the quality of the stream will be bad, and should be
      //aborted...
    {
      Sleep(100);
      char szTmp[1024];
      //g_dialog.SetCaption(0, "Shoutcast" );
      sprintf(szTmp, "Buffering %i bytes", m_ringbuf.GetMaxReadSize());
      if (dlgProgress)
      {
        dlgProgress->SetLine(2, szTmp );
        dlgProgress->Progress();
      }

//.........这里部分代码省略.........

//.........这里部分代码省略.........
            } else if (!audio && !video && image) {
                // pictures
                object_id = "3";
            }
        }

#ifdef DISABLE_SPECIALCASE
        // same thing but special case for XBMC
        if (object_id == "0" && (((*device)->m_ModelName.Find("XBMC", 0, true) >= 0) ||
                                 ((*device)->m_ModelName.Find("Xbox Media Center", 0, true) >= 0))) {
            // look for a specific type to differentiate which folder we want
            if (audio && !video && !image) {
                // music
                object_id = "virtualpath://upnpmusic";
            } else if (!audio && video && !image) {
                // video
                object_id = "virtualpath://upnpvideo";
            } else if (!audio && !video && image) {
                // pictures
                object_id = "virtualpath://upnppictures";
            }
        }
#endif
        // bring up dialog if object is not cached
        if (!upnp->m_MediaBrowser->IsCached(uuid, object_id)) {
            dlgProgress = (CGUIDialogProgress*)m_gWindowManager.GetWindow(WINDOW_DIALOG_PROGRESS);
            if (dlgProgress) {
                dlgProgress->ShowProgressBar(false);
                dlgProgress->SetCanCancel(false);
                dlgProgress->SetHeading(20334);
                dlgProgress->SetLine(0, 194);
                dlgProgress->SetLine(1, "");
                dlgProgress->SetLine(2, "");
                dlgProgress->StartModal();
            }
        }

        // if error, return now, the device could have gone away
        // this will make us go back to the sources list
        PLT_MediaObjectListReference list;
        NPT_Result res = upnp->m_MediaBrowser->Browse(*device, object_id, list);
        if (NPT_FAILED(res)) goto failure;

        // empty list is ok
        if (list.IsNull()) goto cleanup;

        PLT_MediaObjectList::Iterator entry = list->GetFirstItem();
        while (entry) {
            // disregard items with wrong class/type
            if( (!video && (*entry)->m_ObjectClass.type.CompareN("object.item.videoitem", 21,true) == 0)
             || (!audio && (*entry)->m_ObjectClass.type.CompareN("object.item.audioitem", 21,true) == 0)
             || (!image && (*entry)->m_ObjectClass.type.CompareN("object.item.imageitem", 21,true) == 0) )
            {
                ++entry;
                continue;
            }

            // never show empty containers in media views
            if((*entry)->IsContainer()) {
                if( (audio || video || image)
                 && ((PLT_MediaContainer*)(*entry))->m_ChildrenCount == 0) {
                    ++entry;
                    continue;
                }
            }