C++ CFileItemList::IsEmpty方法代码示例

int CGUIWindowAddonBrowser::SelectAddonID(const std::vector<ADDON::TYPE> &types, std::vector<std::string> &addonIDs, bool showNone /* = false */, bool showDetails /* = true */, bool multipleSelection /* = true */, bool showInstalled /* = true */, bool showInstallable /* = false */, bool showMore /* = true */)
{
  // if we shouldn't show neither installed nor installable addons the list will be empty
  if (!showInstalled && !showInstallable)
    return -1;

  // can't show the "Get More" button if we already show installable addons
  if (showInstallable)
    showMore = false;

  CGUIDialogSelect *dialog = CServiceBroker::GetGUI()->GetWindowManager().GetWindow<CGUIDialogSelect>(WINDOW_DIALOG_SELECT);
  if (!dialog)
    return -1;

  // get rid of any invalid addon types
  std::vector<ADDON::TYPE> validTypes(types.size());
  std::copy_if(types.begin(), types.end(), validTypes.begin(), [](ADDON::TYPE type) { return type != ADDON_UNKNOWN; });

  if (validTypes.empty())
    return -1;

  // get all addons to show
  VECADDONS addons;
  if (showInstalled)
  {
    for (std::vector<ADDON::TYPE>::const_iterator type = validTypes.begin(); type != validTypes.end(); ++type)
    {
      VECADDONS typeAddons;
      if (*type == ADDON_AUDIO)
        CAddonsDirectory::GetScriptsAndPlugins("audio", typeAddons);
      else if (*type == ADDON_EXECUTABLE)
        CAddonsDirectory::GetScriptsAndPlugins("executable", typeAddons);
      else if (*type == ADDON_IMAGE)
        CAddonsDirectory::GetScriptsAndPlugins("image", typeAddons);
      else if (*type == ADDON_VIDEO)
        CAddonsDirectory::GetScriptsAndPlugins("video", typeAddons);
      else if (*type == ADDON_GAME)
        CAddonsDirectory::GetScriptsAndPlugins("game", typeAddons);
      else
        CServiceBroker::GetAddonMgr().GetAddons(typeAddons, *type);

      addons.insert(addons.end(), typeAddons.begin(), typeAddons.end());
    }
  }

  if (showInstallable || showMore)
  {
    VECADDONS installableAddons;
    if (CServiceBroker::GetAddonMgr().GetInstallableAddons(installableAddons))
    {
      for (ADDON::IVECADDONS addon = installableAddons.begin(); addon != installableAddons.end();)
      {
        AddonPtr pAddon = *addon;
        
        // check if the addon matches one of the provided addon types
        bool matchesType = false;
        for (std::vector<ADDON::TYPE>::const_iterator type = validTypes.begin(); type != validTypes.end(); ++type)
        {
          if (pAddon->IsType(*type))
          {
            matchesType = true;
            break;
          }
        }

        if (matchesType)
        {
          ++addon;
          continue;
        }

        addon = installableAddons.erase(addon);
      }

      if (showInstallable)
        addons.insert(addons.end(), installableAddons.begin(), installableAddons.end());
      else if (showMore)
        showMore = !installableAddons.empty();
    }
  }

  if (addons.empty() && !showNone)
    return -1;

  // turn the addons into items
  std::map<std::string, AddonPtr> addonMap;
  CFileItemList items;
  for (ADDON::IVECADDONS addon = addons.begin(); addon != addons.end(); ++addon)
  {
    CFileItemPtr item(CAddonsDirectory::FileItemFromAddon(*addon, (*addon)->ID()));
    item->SetLabel2((*addon)->Summary());
    if (!items.Contains(item->GetPath()))
    {
      items.Add(item);
      addonMap.insert(std::make_pair(item->GetPath(), *addon));
    }
  }

  if (items.IsEmpty() && !showNone)
    return -1;
//.........这里部分代码省略.........

void CPVRChannelGroup::SearchAndSetChannelIcons(bool bUpdateDb /* = false */)
{
  std::string iconPath = CServiceBroker::GetSettingsComponent()->GetSettings()->GetString(CSettings::SETTING_PVRMENU_ICONPATH);
  if (iconPath.empty())
    return;

  /* fetch files in icon path for fast lookup */
  CFileItemList fileItemList;
  XFILE::CDirectory::GetDirectory(iconPath, fileItemList, ".jpg|.png|.tbn", XFILE::DIR_FLAG_DEFAULTS);

  if (fileItemList.IsEmpty())
    return;

  CSingleLock lock(m_critSection);

  /* create a map for fast lookup of normalized file base name */
  std::map<std::string, std::string> fileItemMap;
  for (const auto& item : fileItemList)
  {
    std::string baseName = URIUtils::GetFileName(item->GetPath());
    URIUtils::RemoveExtension(baseName);
    StringUtils::ToLower(baseName);
    fileItemMap.insert(std::make_pair(baseName, item->GetPath()));
  }

  CPVRGUIProgressHandler* progressHandler = new CPVRGUIProgressHandler(g_localizeStrings.Get(19286)); // Searching for channel icons

  int channelIndex = 0;
  CPVRChannelPtr channel;
  for(PVR_CHANNEL_GROUP_MEMBERS::const_iterator it = m_members.begin(); it != m_members.end(); ++it)
  {
    channel = it->second.channel;

    /* update progress dialog */
    progressHandler->UpdateProgress(channel->ChannelName(), channelIndex++, m_members.size());

    /* skip if an icon is already set and exists */
    if (channel->IsIconExists())
      continue;

    /* reset icon before searching for a new one */
    channel->SetIconPath("");

    std::string strChannelUid = StringUtils::Format("%08d", channel->UniqueID());
    std::string strLegalClientChannelName = CUtil::MakeLegalFileName(channel->ClientChannelName());
    StringUtils::ToLower(strLegalClientChannelName);
    std::string strLegalChannelName = CUtil::MakeLegalFileName(channel->ChannelName());
    StringUtils::ToLower(strLegalChannelName);

    std::map<std::string, std::string>::iterator itItem;
    if ((itItem = fileItemMap.find(strLegalClientChannelName)) != fileItemMap.end() ||
        (itItem = fileItemMap.find(strLegalChannelName)) != fileItemMap.end() ||
        (itItem = fileItemMap.find(strChannelUid)) != fileItemMap.end())
    {
      channel->SetIconPath(itItem->second, CServiceBroker::GetSettingsComponent()->GetAdvancedSettings()->m_bPVRAutoScanIconsUserSet);
    }

    if (bUpdateDb)
      channel->Persist();

    //! @todo start channel icon scraper here if nothing was found
  }

  progressHandler->DestroyProgress();
}

bool CGUIWindowFileManager::Update(int iList, const CStdString &strDirectory)
{
  // get selected item
  int iItem = GetSelectedItem(iList);
  CStdString strSelectedItem = "";

  if (iItem >= 0 && iItem < (int)m_vecItems[iList]->Size())
  {
    CFileItemPtr pItem = m_vecItems[iList]->Get(iItem);
    if (!pItem->IsParentFolder())
    {
      GetDirectoryHistoryString(pItem.get(), strSelectedItem);
      m_history[iList].SetSelectedItem(strSelectedItem, m_Directory[iList]->GetPath());
    }
  }

  CStdString strOldDirectory=m_Directory[iList]->GetPath();
  m_Directory[iList]->SetPath(strDirectory);

  CFileItemList items;
  if (!GetDirectory(iList, m_Directory[iList]->GetPath(), items))
  {
    if (strDirectory != strOldDirectory && GetDirectory(iList, strOldDirectory, items))
      m_Directory[iList]->SetPath(strOldDirectory); // Fallback to old (previous) path)
    else
      Update(iList, ""); // Fallback to root

    return false;
  }

  m_history[iList].SetSelectedItem(strSelectedItem, strOldDirectory);

  ClearFileItems(iList);

  m_vecItems[iList]->Append(items);
  m_vecItems[iList]->SetPath(items.GetPath());

  CStdString strParentPath;
  URIUtils::GetParentPath(strDirectory, strParentPath);
  if (strDirectory.IsEmpty() && (m_vecItems[iList]->Size() == 0 || CSettings::Get().GetBool("filelists.showaddsourcebuttons")))
  { // add 'add source button'
    CStdString strLabel = g_localizeStrings.Get(1026);
    CFileItemPtr pItem(new CFileItem(strLabel));
    pItem->SetPath("add");
    pItem->SetIconImage("DefaultAddSource.png");
    pItem->SetLabel(strLabel);
    pItem->SetLabelPreformated(true);
    pItem->m_bIsFolder = true;
    pItem->SetSpecialSort(SortSpecialOnBottom);
    m_vecItems[iList]->Add(pItem);
  }
  else if (items.IsEmpty() || CSettings::Get().GetBool("filelists.showparentdiritems"))
  {
    CFileItemPtr pItem(new CFileItem(".."));
    pItem->SetPath(m_rootDir.IsSource(strDirectory) ? "" : strParentPath);
    pItem->m_bIsFolder = true;
    pItem->m_bIsShareOrDrive = false;
    m_vecItems[iList]->AddFront(pItem, 0);
  }

  m_strParentPath[iList] = (m_rootDir.IsSource(strDirectory) ? "" : strParentPath);

  if (strDirectory.IsEmpty())
  {
    CFileItemPtr pItem(new CFileItem("special://profile/", true));
    pItem->SetLabel(g_localizeStrings.Get(20070));
    pItem->SetArt("thumb", "DefaultFolder.png");
    pItem->SetLabelPreformated(true);
    m_vecItems[iList]->Add(pItem);
  }

  // if we have a .tbn file, use itself as the thumb
  for (int i = 0; i < (int)m_vecItems[iList]->Size(); i++)
  {
    CFileItemPtr pItem = m_vecItems[iList]->Get(i);
    if (pItem->IsHD() &&
        URIUtils::HasExtension(pItem->GetPath(), ".tbn"))
    {
      pItem->SetArt("thumb", pItem->GetPath());
    }
  }
  m_vecItems[iList]->FillInDefaultIcons();

  OnSort(iList);
  UpdateButtons();

  int item = 0;
  strSelectedItem = m_history[iList].GetSelectedItem(m_Directory[iList]->GetPath());
  for (int i = 0; i < m_vecItems[iList]->Size(); ++i)
  {
    CFileItemPtr pItem = m_vecItems[iList]->Get(i);
    CStdString strHistory;
    GetDirectoryHistoryString(pItem.get(), strHistory);
    if (strHistory == strSelectedItem)
    {
      item = i;
      break;
    }
  }
  UpdateControl(iList, item);
//.........这里部分代码省略.........

bool CGUIWindowVideoNav::GetDirectory(const std::string &strDirectory, CFileItemList &items)
{
  if (m_thumbLoader.IsLoading())
    m_thumbLoader.StopThread();

  items.ClearArt();
  items.ClearProperties();

  bool bResult = CGUIWindowVideoBase::GetDirectory(strDirectory, items);
  if (bResult)
  {
    if (items.IsVideoDb())
    {
      XFILE::CVideoDatabaseDirectory dir;
      CQueryParams params;
      dir.GetQueryParams(items.GetPath(),params);
      VIDEODATABASEDIRECTORY::NODE_TYPE node = dir.GetDirectoryChildType(items.GetPath());

      int iFlatten = CSettings::GetInstance().GetInt(CSettings::SETTING_VIDEOLIBRARY_FLATTENTVSHOWS);
      int itemsSize = items.GetObjectCount();
      int firstIndex = items.Size() - itemsSize;

      // perform the flattening logic for tvshows with a single (unwatched) season (+ optional special season)
      if (node == NODE_TYPE_SEASONS && !items.IsEmpty())
      {
        // check if the last item is the "All seasons" item which should be ignored for flattening
        if (!items[items.Size() - 1]->HasVideoInfoTag() || items[items.Size() - 1]->GetVideoInfoTag()->m_iSeason < 0)
          itemsSize -= 1;

        bool bFlatten = (itemsSize == 1 && iFlatten == 1) || iFlatten == 2 ||                              // flatten if one one season or if always flatten is enabled
                        (itemsSize == 2 && iFlatten == 1 &&                                                // flatten if one season + specials
                         (items[firstIndex]->GetVideoInfoTag()->m_iSeason == 0 || items[firstIndex + 1]->GetVideoInfoTag()->m_iSeason == 0));

        if (iFlatten > 0 && !bFlatten && (WatchedMode)CMediaSettings::GetInstance().GetWatchedMode("tvshows") == WatchedModeUnwatched)
        {
          int count = 0;
          for(int i = 0; i < items.Size(); i++)
          {
            const CFileItemPtr item = items.Get(i);
            if (item->GetProperty("unwatchedepisodes").asInteger() != 0 && item->GetVideoInfoTag()->m_iSeason > 0)
              count++;
          }
          bFlatten = (count < 2); // flatten if there is only 1 unwatched season (not counting specials)
        }

        if (bFlatten)
        { // flatten if one season or flatten always
          items.Clear();

          CVideoDbUrl videoUrl;
          if (!videoUrl.FromString(items.GetPath()))
            return false;

          videoUrl.AppendPath("-2/");
          return GetDirectory(videoUrl.ToString(), items);
        }
      }

      if (node == VIDEODATABASEDIRECTORY::NODE_TYPE_EPISODES ||
          node == NODE_TYPE_SEASONS                          ||
          node == NODE_TYPE_RECENTLY_ADDED_EPISODES)
      {
        CLog::Log(LOGDEBUG, "WindowVideoNav::GetDirectory");
        // grab the show thumb
        CVideoInfoTag details;
        m_database.GetTvShowInfo("", details, params.GetTvShowId());
        std::map<std::string, std::string> art;
        if (m_database.GetArtForItem(details.m_iDbId, details.m_type, art))
        {
          items.AppendArt(art, details.m_type);
          items.SetArtFallback("fanart", "tvshow.fanart");
          if (node == NODE_TYPE_SEASONS)
          { // set an art fallback for "thumb"
            if (items.HasArt("tvshow.poster"))
              items.SetArtFallback("thumb", "tvshow.poster");
            else if (items.HasArt("tvshow.banner"))
              items.SetArtFallback("thumb", "tvshow.banner");
          }
        }

        // Grab fanart data
        items.SetProperty("fanart_color1", details.m_fanart.GetColor(0));
        items.SetProperty("fanart_color2", details.m_fanart.GetColor(1));
        items.SetProperty("fanart_color3", details.m_fanart.GetColor(2));

        // save the show description (showplot)
        items.SetProperty("showplot", details.m_strPlot);
        items.SetProperty("showtitle", details.m_strShowTitle);

        // the container folder thumb is the parent (i.e. season or show)
        if (itemsSize && (node == NODE_TYPE_EPISODES || node == NODE_TYPE_RECENTLY_ADDED_EPISODES))
        {
          items.SetContent("episodes");

          int seasonID = -1;
          int seasonParam = params.GetSeason();

          // grab all season art when flatten always
          if (seasonParam == -2 && iFlatten == 2)
            seasonParam = -1;
//.........这里部分代码省略.........

void CPVRGUIChannelIconUpdater::SearchAndUpdateMissingChannelIcons() const
{
  const std::string iconPath = CServiceBroker::GetSettingsComponent()->GetSettings()->GetString(CSettings::SETTING_PVRMENU_ICONPATH);
  if (iconPath.empty())
    return;

  // fetch files in icon path for fast lookup
  CFileItemList fileItemList;
  XFILE::CDirectory::GetDirectory(iconPath, fileItemList, ".jpg|.png|.tbn", XFILE::DIR_FLAG_DEFAULTS);

  if (fileItemList.IsEmpty())
    return;

  CLog::Log(LOGINFO, "Starting PVR channel icon search");

  // create a map for fast lookup of normalized file base name
  std::map<std::string, std::string> fileItemMap;
  for (const auto& item : fileItemList)
  {
    std::string baseName = URIUtils::GetFileName(item->GetPath());
    URIUtils::RemoveExtension(baseName);
    StringUtils::ToLower(baseName);
    fileItemMap.insert({baseName, item->GetPath()});
  }

  CPVRGUIProgressHandler* progressHandler = new CPVRGUIProgressHandler(g_localizeStrings.Get(19286)); // Searching for channel icons

  for (const auto& group : m_groups)
  {
    const std::vector<PVRChannelGroupMember> members = group->GetMembers();
    int channelIndex = 0;
    for (const auto& member : members)
    {
      progressHandler->UpdateProgress(member.channel->ChannelName(), channelIndex++, members.size());

      // skip if an icon is already set and exists
      if (XFILE::CFile::Exists(member.channel->IconPath()))
        continue;

      // reset icon before searching for a new one
      member.channel->SetIconPath("");

      const std::string strChannelUid = StringUtils::Format("%08d", member.channel->UniqueID());
      std::string strLegalClientChannelName = CUtil::MakeLegalFileName(member.channel->ClientChannelName());
      StringUtils::ToLower(strLegalClientChannelName);
      std::string strLegalChannelName = CUtil::MakeLegalFileName(member.channel->ChannelName());
      StringUtils::ToLower(strLegalChannelName);

      std::map<std::string, std::string>::iterator itItem;
      if ((itItem = fileItemMap.find(strLegalClientChannelName)) != fileItemMap.end() ||
          (itItem = fileItemMap.find(strLegalChannelName)) != fileItemMap.end() ||
          (itItem = fileItemMap.find(strChannelUid)) != fileItemMap.end())
      {
        member.channel->SetIconPath(itItem->second, CServiceBroker::GetSettingsComponent()->GetAdvancedSettings()->m_bPVRAutoScanIconsUserSet);
      }

      if (m_bUpdateDb)
        member.channel->Persist();
    }
  }

  progressHandler->DestroyProgress();
}

bool CPVRRecordings::GetDirectory(const std::string& strPath, CFileItemList &items)
{
  CSingleLock lock(m_critSection);

  bool bGrouped = false;
  const CURL url(strPath);
  if (url.HasOption("view"))
  {
    const std::string view(url.GetOption("view"));
    if (view == "grouped")
      bGrouped = true;
    else if (view == "flat")
      bGrouped = false;
    else
    {
      CLog::Log(LOGERROR, "CPVRRecordings - %s - unsupported value '%s' for url parameter 'view'", __FUNCTION__, view.c_str());
      return false;
    }
  }
  else
  {
    bGrouped = CSettings::GetInstance().GetBool(CSettings::SETTING_PVRRECORD_GROUPRECORDINGS);
  }

  CPVRRecordingsPath recPath(url.GetWithoutOptions());
  if (recPath.IsValid())
  {
    // Get the directory structure if in non-flatten mode
    // Deleted view is always flatten. So only for an active view
    std::string strDirectory(recPath.GetUnescapedDirectoryPath());
    if (!recPath.IsDeleted() && bGrouped)
      GetSubDirectories(recPath, &items);

    // get all files of the currrent directory or recursively all files starting at the current directory if in flatten mode
    for (const auto recording : m_recordings)
    {
      CPVRRecordingPtr current = recording.second;

      // Omit recordings not matching criteria
      if (!IsDirectoryMember(strDirectory, current->m_strDirectory, bGrouped) ||
          current->IsDeleted() != recPath.IsDeleted() ||
          current->IsRadio() != recPath.IsRadio())
        continue;

      if (m_database.IsOpen())
        current->UpdateMetadata(m_database);
      CFileItemPtr pFileItem(new CFileItem(current));
      pFileItem->SetLabel2(current->RecordingTimeAsLocalTime().GetAsLocalizedDateTime(true, false));
      pFileItem->m_dateTime = current->RecordingTimeAsLocalTime();
      pFileItem->SetPath(current->m_strFileNameAndPath);

      // Set art
      if (!current->m_strIconPath.empty())
      {
        pFileItem->SetIconImage(current->m_strIconPath);
        pFileItem->SetArt("icon", current->m_strIconPath);
      }

      if (!current->m_strThumbnailPath.empty())
        pFileItem->SetArt("thumb", current->m_strThumbnailPath);

      if (!current->m_strFanartPath.empty())
        pFileItem->SetArt("fanart", current->m_strFanartPath);

      // Use the channel icon as a fallback when a thumbnail is not available
      pFileItem->SetArtFallback("thumb", "icon");

      pFileItem->SetOverlayImage(CGUIListItem::ICON_OVERLAY_UNWATCHED, pFileItem->GetPVRRecordingInfoTag()->m_playCount > 0);

      items.Add(pFileItem);
    }
  }

  if (items.IsEmpty())
  {
    // Note: Do not change the ".." label. It has very special meaning/logic.
    //       CFileItem::IsParentFolder() and and other code depends on this.
    const CFileItemPtr item(new CFileItem(".."));
    items.Add(item);
  }

  return recPath.IsValid();
}

/* Test case to test for graceful handling of corrupted input.
 * NOTE: The test case is considered a "success" as long as the corrupted
 * file was successfully generated and the test case runs without a segfault.
 */
TEST_F(TestZipFile, CorruptedFile)
{
  XFILE::CFile *file;
  char buf[16];
  memset(&buf, 0, sizeof(buf));
  CStdString reffilepath, strzippath, strpathinzip, str;
  CFileItemList itemlist;
  unsigned int size, i;
  int64_t count = 0;

  reffilepath = XBMC_REF_FILE_PATH("xbmc/filesystem/test/reffile.txt.zip");
  ASSERT_TRUE((file = XBMC_CREATECORRUPTEDFILE(reffilepath, ".zip")) != NULL);
  std::cout << "Reference file generated at '" << XBMC_TEMPFILEPATH(file) << "'" << std::endl;

  URIUtils::CreateArchivePath(strzippath, "zip", XBMC_TEMPFILEPATH(file), "");
  if (!XFILE::CDirectory::GetDirectory(strzippath, itemlist, "",
                                       XFILE::DIR_FLAG_NO_FILE_DIRS))
  {
    XBMC_DELETETEMPFILE(file);
    SUCCEED();
    return;
  }
  if (itemlist.IsEmpty())
  {
    XBMC_DELETETEMPFILE(file);
    SUCCEED();
    return;
  }
  strpathinzip = itemlist[0]->GetPath();

  if (!file->Open(strpathinzip))
  {
    XBMC_DELETETEMPFILE(file);
    SUCCEED();
    return;
  }
  std::cout << "file->GetLength(): " <<
    testing::PrintToString(file->GetLength()) << std::endl;
  std::cout << "file->Seek(file->GetLength() / 2, SEEK_CUR) return value: " <<
    testing::PrintToString(file->Seek(file->GetLength() / 2, SEEK_CUR)) << std::endl;
  std::cout << "file->Seek(0, SEEK_END) return value: " <<
    testing::PrintToString(file->Seek(0, SEEK_END)) << std::endl;
  std::cout << "file->Seek(0, SEEK_SET) return value: " <<
    testing::PrintToString(file->Seek(0, SEEK_SET)) << std::endl;
  std::cout << "File contents:" << std::endl;
  while ((size = file->Read(buf, sizeof(buf))) > 0)
  {
    str.Format("  %08X", count);
    std::cout << str << "  ";
    count += size;
    for (i = 0; i < size; i++)
    {
      str.Format("%02X ", buf[i]);
      std::cout << str;
    }
    while (i++ < sizeof(buf))
      std::cout << "   ";
    std::cout << " [";
    for (i = 0; i < size; i++)
    {
      if (buf[i] >= ' ' && buf[i] <= '~')
        std::cout << buf[i];
      else
        std::cout << ".";
    }
    std::cout << "]" << std::endl;
  }
  file->Close();
  XBMC_DELETETEMPFILE(file);
}

void CPVRChannelGroup::SearchAndSetChannelIcons(bool bUpdateDb /* = false */)
{
  std::string iconPath = CSettings::Get().GetString("pvrmenu.iconpath");
  if (iconPath.empty())
    return;

  CPVRDatabase *database = GetPVRDatabase();
  if (!database)
    return;

  /* fetch files in icon path for fast lookup */
  CFileItemList fileItemList;
  XFILE::CDirectory::GetDirectory(iconPath, fileItemList, ".jpg|.png|.tbn");

  if (fileItemList.IsEmpty())
    return;

  CGUIDialogExtendedProgressBar* dlgProgress = (CGUIDialogExtendedProgressBar*)g_windowManager.GetWindow(WINDOW_DIALOG_EXT_PROGRESS);
  CGUIDialogProgressBarHandle* dlgProgressHandle = dlgProgress ? dlgProgress->GetHandle(g_localizeStrings.Get(19287)) : NULL;

  CSingleLock lock(m_critSection);

  /* create a map for fast lookup of normalized file base name */
  std::map<std::string, std::string> fileItemMap;
  const VECFILEITEMS &items = fileItemList.GetList();
  for(VECFILEITEMS::const_iterator it = items.begin(); it != items.end(); ++it)
  {
    std::string baseName = URIUtils::GetFileName((*it)->GetPath());
    URIUtils::RemoveExtension(baseName);
    StringUtils::ToLower(baseName);
    fileItemMap.insert(std::make_pair(baseName, (*it)->GetPath()));
  }

  int channelIndex = 0;
  for(std::vector<PVRChannelGroupMember>::const_iterator it = m_members.begin(); it != m_members.end(); ++it)
  {
    CPVRChannelPtr channel = (*it).channel;

    /* update progress dialog */
    if (dlgProgressHandle)
    {
      dlgProgressHandle->SetProgress(channelIndex++, m_members.size());
      dlgProgressHandle->SetText(channel->ChannelName());
    }

    /* skip if an icon is already set and exists */
    if (channel->IsIconExists())
      continue;

    /* reset icon before searching for a new one */
    channel->SetIconPath("");

    std::string strChannelUid = StringUtils::Format("%08d", channel->UniqueID());
    std::string strLegalClientChannelName = CUtil::MakeLegalFileName(channel->ClientChannelName());
    StringUtils::ToLower(strLegalClientChannelName);
    std::string strLegalChannelName = CUtil::MakeLegalFileName(channel->ChannelName());
    StringUtils::ToLower(strLegalChannelName);

    std::map<std::string, std::string>::iterator itItem;
    if ((itItem = fileItemMap.find(strLegalClientChannelName)) != fileItemMap.end() ||
        (itItem = fileItemMap.find(strLegalChannelName)) != fileItemMap.end() ||
        (itItem = fileItemMap.find(strChannelUid)) != fileItemMap.end())
    {
      channel->SetIconPath(itItem->second, g_advancedSettings.m_bPVRAutoScanIconsUserSet);
    }

    if (bUpdateDb)
      channel->Persist();

    /* TODO: start channel icon scraper here if nothing was found */
  }

  if (dlgProgressHandle)
    dlgProgressHandle->MarkFinished();
}

void CPictureThumbLoader::ProcessFoldersAndArchives(CFileItem *pItem)
{
  if (pItem->HasArt("thumb"))
    return;

  CTextureDatabase db;
  db.Open();
  if (pItem->IsCBR() || pItem->IsCBZ())
  {
    CStdString strTBN(URIUtils::ReplaceExtension(pItem->GetPath(),".tbn"));
    if (CFile::Exists(strTBN))
    {
      db.SetTextureForPath(pItem->GetPath(), "thumb", strTBN);
      CTextureCache::Get().BackgroundCacheImage(strTBN);
      pItem->SetArt("thumb", strTBN);
      return;
    }
  }
  if ((pItem->m_bIsFolder || pItem->IsCBR() || pItem->IsCBZ()) && !pItem->m_bIsShareOrDrive
      && !pItem->IsParentFolder() && !pItem->GetPath().Equals("add"))
  {
    // first check for a folder.jpg
    CStdString thumb = "folder.jpg";
    CStdString strPath = pItem->GetPath();
    if (pItem->IsCBR())
    {
      URIUtils::CreateArchivePath(strPath,"rar",pItem->GetPath(),"");
      thumb = "cover.jpg";
    }
    if (pItem->IsCBZ())
    {
      URIUtils::CreateArchivePath(strPath,"zip",pItem->GetPath(),"");
      thumb = "cover.jpg";
    }
    if (pItem->IsMultiPath())
      strPath = CMultiPathDirectory::GetFirstPath(pItem->GetPath());
    thumb = URIUtils::AddFileToFolder(strPath, thumb);
    if (CFile::Exists(thumb))
    {
      db.SetTextureForPath(pItem->GetPath(), "thumb", thumb);
      CTextureCache::Get().BackgroundCacheImage(thumb);
      pItem->SetArt("thumb", thumb);
      return;
    }
    if (!pItem->IsPlugin())
    {
      // we load the directory, grab 4 random thumb files (if available) and then generate
      // the thumb.

      CFileItemList items;

      CDirectory::GetDirectory(strPath, items, g_advancedSettings.m_pictureExtensions, DIR_FLAG_NO_FILE_DIRS);
      
      // create the folder thumb by choosing 4 random thumbs within the folder and putting
      // them into one thumb.
      // count the number of images
      for (int i=0; i < items.Size();)
      {
        if (!items[i]->IsPicture() || items[i]->IsZIP() || items[i]->IsRAR() || items[i]->IsPlayList())
        {
          items.Remove(i);
        }
        else
          i++;
      }

      if (items.IsEmpty())
      {
        if (pItem->IsCBZ() || pItem->IsCBR())
        {
          CDirectory::GetDirectory(strPath, items, g_advancedSettings.m_pictureExtensions, DIR_FLAG_NO_FILE_DIRS);
          for (int i=0;i<items.Size();++i)
          {
            CFileItemPtr item = items[i];
            if (item->m_bIsFolder)
            {
              ProcessFoldersAndArchives(item.get());
              pItem->SetArt("thumb", items[i]->GetArt("thumb"));
              pItem->SetIconImage(items[i]->GetIconImage());
              return;
            }
          }
        }
        return; // no images in this folder
      }

      // randomize them
      items.Randomize();

      if (items.Size() < 4 || pItem->IsCBR() || pItem->IsCBZ())
      { // less than 4 items, so just grab the first thumb
        items.Sort(SORT_METHOD_LABEL, SortOrderAscending);
        CStdString thumb = CTextureCache::GetWrappedThumbURL(items[0]->GetPath());
        db.SetTextureForPath(pItem->GetPath(), "thumb", thumb);
        CTextureCache::Get().BackgroundCacheImage(thumb);
        pItem->SetArt("thumb", thumb);
      }
      else
      {
        // ok, now we've got the files to get the thumbs from, lets create it...
//.........这里部分代码省略.........

bool CKeyboardLayoutManager::Load(const std::string& path /* = "" */)
{
    std::string layoutDirectory = path;
    if (layoutDirectory.empty())
        layoutDirectory = KEYBOARD_LAYOUTS_PATH;

    if (!XFILE::CDirectory::Exists(layoutDirectory))
    {
        CLog::Log(LOGWARNING, "CKeyboardLayoutManager: unable to load keyboard layouts from non-existing directory \"%s\"", layoutDirectory.c_str());
        return false;
    }

    CFileItemList layouts;
    if (!XFILE::CDirectory::GetDirectory(CURL(layoutDirectory), layouts, ".xml") || layouts.IsEmpty())
    {
        CLog::Log(LOGWARNING, "CKeyboardLayoutManager: no keyboard layouts found in %s", layoutDirectory.c_str());
        return false;
    }

    CLog::Log(LOGINFO, "CKeyboardLayoutManager: loading keyboard layouts from %s...", layoutDirectory.c_str());
    size_t oldLayoutCount = m_layouts.size();
    for (int i = 0; i < layouts.Size(); i++)
    {
        std::string layoutPath = layouts[i]->GetPath();
        if (layoutPath.empty())
            continue;

        CXBMCTinyXML xmlDoc;
        if (!xmlDoc.LoadFile(layoutPath))
        {
            CLog::Log(LOGWARNING, "CKeyboardLayoutManager: unable to open %s", layoutPath.c_str());
            continue;
        }

        const TiXmlElement* rootElement = xmlDoc.RootElement();
        if (rootElement == NULL)
        {
            CLog::Log(LOGWARNING, "CKeyboardLayoutManager: missing or invalid XML root element in %s", layoutPath.c_str());
            continue;
        }

        if (rootElement->ValueStr() != "keyboardlayouts")
        {
            CLog::Log(LOGWARNING, "CKeyboardLayoutManager: unexpected XML root element \"%s\" in %s", rootElement->Value(), layoutPath.c_str());
            continue;
        }

        const TiXmlElement* layoutElement = rootElement->FirstChildElement("layout");
        while (layoutElement != NULL)
        {
            CKeyboardLayout layout;
            if (!layout.Load(layoutElement))
                CLog::Log(LOGWARNING, "CKeyboardLayoutManager: failed to load %s", layoutPath.c_str());
            else if (m_layouts.find(layout.GetIdentifier()) != m_layouts.end())
                CLog::Log(LOGWARNING, "CKeyboardLayoutManager: duplicate layout with identifier \"%s\" in %s", layout.GetIdentifier().c_str(), layoutPath.c_str());
            else
            {
                CLog::Log(LOGDEBUG, "CKeyboardLayoutManager: keyboard layout \"%s\" successfully loaded", layout.GetIdentifier().c_str());
                m_layouts.insert(std::make_pair(layout.GetIdentifier(), layout));
            }

            layoutElement = layoutElement->NextSiblingElement();
        }
    }

    return m_layouts.size() > oldLayoutCount;
}

void CGUIDialogBoxeeChannelFilter::OnInitWindow()
{
  CGUIDialog::OnInitWindow();

  CStdString sourcesUrl = "boxee://sources/";
  int activeWindow = g_windowManager.GetActiveWindow();

  if (activeWindow == WINDOW_BOXEE_BROWSE_MOVIES)
  {
    sourcesUrl += "movies";
  }
  else
  {
    sourcesUrl += "shows";
  }

  CLog::Log(LOGDEBUG,"CGUIDialogBoxeeChannelFilter::OnInitWindow - build source list for [url=%s] (cf)",sourcesUrl.c_str());

  CFileItemList sourceList;
  DIRECTORY::CDirectory::GetDirectory(sourcesUrl,sourceList);

  if (sourceList.Size() < 1)
  {
    CLog::Log(LOGERROR,"CGUIDialogBoxeeChannelFilter::OnInitWindow - FAILED to get sources. [size=%d] (cf)",sourceList.Size());
    Close();
    return;
  }

  if (!LoadExcludedChannels())
  {
    CLog::Log(LOGERROR,"CGUIDialogBoxeeChannelFilter::OnInitWindow - FAILED to load excluded sources (cf)");
    Close();
    return;
  }

  CLog::Log(LOGDEBUG,"CGUIDialogBoxeeChannelFilter::OnInitWindow - [NumOfSources=%d][NumOfExcludedSources=%zu] (cf)",sourceList.Size(),m_excludedChannels.size());

  CGUIMessage winmsgResetPremium(GUI_MSG_LABEL_RESET, GetID(), CHANNEL_LIST);
  OnMessage(winmsgResetPremium);

  CFileItemList channelItemList;
  CFileItemList freeChannelItemList;

  for (int i=0; i<sourceList.Size(); i++)
  {
    CFileItemPtr sourceItem = sourceList.Get(i);
    std::string sourceId = sourceItem->GetProperty("sourceid");
    std::string sourceOffer = sourceItem->GetProperty("sourceoffer");

    if (sourceOffer.empty())
    {
      CLog::Log(LOGWARNING,"CGUIDialogBoxeeChannelFilter::OnInitWindow - [%d/%d] - for sources [id=%s] the attribute offer is EMPTY. [offer=%s] (cf)",i+1,sourceList.Size(),sourceId.c_str(),sourceOffer.c_str());
      continue;
    }

    CFileItemPtr source(new CFileItem(*(sourceItem.get())));
    source->SetProperty("channelthumb",source->GetProperty("sourcethumb"));
    source->Select(m_excludedChannels.find(sourceId) == m_excludedChannels.end());

    if (stricmp(sourceOffer.c_str(),FREE_OFFER_STRING))
    {
      if (channelItemList.IsEmpty())
      {
        // add PREMIUM separator
        CFileItemPtr seperator(new CFileItem(g_localizeStrings.Get(53581)));
        seperator->SetProperty("isseparator",true);
        channelItemList.Add(seperator);
      }

      CLog::Log(LOGDEBUG,"CGUIDialogBoxeeChannelFilter::OnInitWindow - [%d/%d] - [sourceoffer=%s] -> adding PREMIUM source [id=%s] (cf)",i+1,sourceList.Size(),sourceOffer.c_str(),sourceId.c_str());
      channelItemList.Add(source);
    }
    else
    {
      CLog::Log(LOGDEBUG,"CGUIDialogBoxeeChannelFilter::OnInitWindow - [%d/%d] - [sourceoffer=%s] -> adding FREE source [id=%s] (cf)",i+1,sourceList.Size(),sourceOffer.c_str(),sourceId.c_str());
      freeChannelItemList.Add(source);
    }
  }

  for (int i=0; i<freeChannelItemList.Size(); i++)
  {
    if (i == 0 && !channelItemList.IsEmpty())
    {
      // add FREE separator
      CFileItemPtr seperator(new CFileItem(g_localizeStrings.Get(53582)));
      seperator->SetProperty("isseparator",true);
      channelItemList.Add(seperator);
    }

    CFileItemPtr source(new CFileItem(*(freeChannelItemList.Get(i))));
    source->SetProperty("channelthumb",source->GetProperty("sourcethumb"));
    channelItemList.Add(source);
  }

  CGUIMessage msgBindToChannelList(GUI_MSG_LABEL_BIND, GetID(), CHANNEL_LIST, 0, 0, &channelItemList);
  OnMessage(msgBindToChannelList);

  SET_CONTROL_FOCUS(CHANNEL_LIST, 0);

  m_dirty = false;
//.........这里部分代码省略.........