C++ CFileItemList::IsMusicDb方法代码示例

void CGUIWindowMusicBase::OnPrepareFileItems(CFileItemList &items)
{
  CGUIMediaWindow::OnPrepareFileItems(items);

  if (!items.IsMusicDb())
    RetrieveMusicInfo();
}

bool CGUIWindowMusicBase::CheckFilterAdvanced(CFileItemList &items)
{
  CStdString content = items.GetContent();
  if (items.IsMusicDb() && (content.Equals("artists") || content.Equals("albums") || content.Equals("songs")))
    return true;

  return false;
}

bool CGUIWindowMusicBase::CheckFilterAdvanced(CFileItemList &items) const
{
    std::string content = items.GetContent();
    if ((items.IsMusicDb() || CanContainFilter(m_strFilterPath)) &&
            (StringUtils::EqualsNoCase(content, "artists") ||
             StringUtils::EqualsNoCase(content, "albums")  ||
             StringUtils::EqualsNoCase(content, "songs")))
        return true;

    return false;
}

void CGUIWindowMusicBase::OnRetrieveMusicInfo(CFileItemList& items)
{
  if (items.GetFolderCount()==items.Size() || items.IsMusicDb() || 
     (!g_guiSettings.GetBool("musicfiles.usetags") && !items.IsCDDA()))
  {
    return;
  }
  // Start the music info loader thread
  m_musicInfoLoader.SetProgressCallback(m_dlgProgress);
  m_musicInfoLoader.Load(items);

  bool bShowProgress=!m_gWindowManager.HasModalDialog();
  bool bProgressVisible=false;

  DWORD dwTick=timeGetTime();

  while (m_musicInfoLoader.IsLoading())
  {
    if (bShowProgress)
    { // Do we have to init a progress dialog?
      DWORD dwElapsed=timeGetTime()-dwTick;

      if (!bProgressVisible && dwElapsed>1500 && m_dlgProgress)
      { // tag loading takes more then 1.5 secs, show a progress dialog
        CURL url(items.m_strPath);
        CStdString strStrippedPath;
        url.GetURLWithoutUserDetails(strStrippedPath);
        m_dlgProgress->SetHeading(189);
        m_dlgProgress->SetLine(0, 505);
        m_dlgProgress->SetLine(1, "");
        m_dlgProgress->SetLine(2, strStrippedPath );
        m_dlgProgress->StartModal();
        m_dlgProgress->ShowProgressBar(true);
        bProgressVisible = true;
      }

      if (bProgressVisible && m_dlgProgress && !m_dlgProgress->IsCanceled())
      { // keep GUI alive
        m_dlgProgress->Progress();
      }
    } // if (bShowProgress)
    Sleep(1);
  } // while (m_musicInfoLoader.IsLoading())

  if (bProgressVisible && m_dlgProgress)
    m_dlgProgress->Close();
}

void CGUIWindowMusicBase::OnRetrieveMusicInfo(CFileItemList& items)
{
  if (items.GetFolderCount()==items.Size() || items.IsMusicDb() ||
     (!CSettings::Get().GetBool("musicfiles.usetags") && !items.IsCDDA()))
  {
    return;
  }
  // Start the music info loader thread
  m_musicInfoLoader.SetProgressCallback(m_dlgProgress);
  m_musicInfoLoader.Load(items);

  bool bShowProgress=!g_windowManager.HasModalDialog();
  bool bProgressVisible=false;

  unsigned int tick=XbmcThreads::SystemClockMillis();

  while (m_musicInfoLoader.IsLoading())
  {
    if (bShowProgress)
    { // Do we have to init a progress dialog?
      unsigned int elapsed=XbmcThreads::SystemClockMillis()-tick;

      if (!bProgressVisible && elapsed>1500 && m_dlgProgress)
      { // tag loading takes more then 1.5 secs, show a progress dialog
        CURL url(items.GetPath());
        std::string strStrippedPath = url.GetWithoutUserDetails();
        m_dlgProgress->SetHeading(189);
        m_dlgProgress->SetLine(0, 505);
        m_dlgProgress->SetLine(1, "");
        m_dlgProgress->SetLine(2, strStrippedPath );
        m_dlgProgress->StartModal();
        m_dlgProgress->ShowProgressBar(true);
        bProgressVisible = true;
      }

      if (bProgressVisible && m_dlgProgress && !m_dlgProgress->IsCanceled())
      { // keep GUI alive
        m_dlgProgress->Progress();
      }
    } // if (bShowProgress)
    Sleep(1);
  } // while (m_musicInfoLoader.IsLoading())

  if (bProgressVisible && m_dlgProgress)
    m_dlgProgress->Close();
}

void CGUIWindowMusicBase::OnRetrieveMusicInfo(CFileItemList& items)
{
  if (items.GetFolderCount()==items.Size() || items.IsMusicDb() ||
     (!CServiceBroker::GetSettings().GetBool(CSettings::SETTING_MUSICFILES_USETAGS) && !items.IsCDDA()))
  {
    return;
  }
  // Start the music info loader thread
  m_musicInfoLoader.SetProgressCallback(m_dlgProgress);
  m_musicInfoLoader.Load(items);

  bool bShowProgress=!g_windowManager.HasModalDialog();
  bool bProgressVisible=false;

  unsigned int tick=XbmcThreads::SystemClockMillis();

  while (m_musicInfoLoader.IsLoading())
  {
    if (bShowProgress)
    { // Do we have to init a progress dialog?
      unsigned int elapsed=XbmcThreads::SystemClockMillis()-tick;

      if (!bProgressVisible && elapsed>1500 && m_dlgProgress)
      { // tag loading takes more then 1.5 secs, show a progress dialog
        CURL url(items.GetPath());
        m_dlgProgress->SetHeading(CVariant{189});
        m_dlgProgress->SetLine(0, CVariant{505});
        m_dlgProgress->SetLine(1, CVariant{""});
        m_dlgProgress->SetLine(2, CVariant{url.GetWithoutUserDetails()});
        m_dlgProgress->Open();
        m_dlgProgress->ShowProgressBar(true);
        bProgressVisible = true;
      }

      if (bProgressVisible && m_dlgProgress && !m_dlgProgress->IsCanceled())
      { // keep GUI alive
        m_dlgProgress->Progress();
      }
    } // if (bShowProgress)
    Sleep(1);
  } // while (m_musicInfoLoader.IsLoading())

  if (bProgressVisible && m_dlgProgress)
    m_dlgProgress->Close();
}

bool CGUIWindowMusicNav::GetDirectory(const CStdString &strDirectory, CFileItemList &items)
{
  if (m_bDisplayEmptyDatabaseMessage)
    return true;

  if (m_thumbLoader.IsLoading())
    m_thumbLoader.StopThread();

  bool bResult = CGUIWindowMusicBase::GetDirectory(strDirectory, items);
  if (bResult)
  {
    if (items.IsPlayList())
      OnRetrieveMusicInfo(items);
    if (!items.IsMusicDb())
    {
      items.SetCachedMusicThumbs();
      m_thumbLoader.Load(*m_vecItems);
    }
  }

  // update our content in the info manager
  if (strDirectory.Left(10).Equals("videodb://"))
  {
    CVideoDatabaseDirectory dir;
    VIDEODATABASEDIRECTORY::NODE_TYPE node = dir.GetDirectoryChildType(strDirectory);
    if (node == VIDEODATABASEDIRECTORY::NODE_TYPE_TITLE_MUSICVIDEOS)
      items.SetContent("musicvideos");
  }
  else if (items.GetContent().IsEmpty())
  {
    CMusicDatabaseDirectory dir;
    NODE_TYPE node = dir.GetDirectoryChildType(strDirectory);
    if (node == NODE_TYPE_ALBUM)
      items.SetContent("albums");
    else if (node == NODE_TYPE_ARTIST)
      items.SetContent("artists");
    else if (node == NODE_TYPE_SONG)
      items.SetContent("songs");
  }

  // clear the filter
  m_filter.Empty();
  return bResult;
}

bool CGUIWindowMusicNav::GetDirectory(const CStdString &strDirectory, CFileItemList &items)
{
  if (m_bDisplayEmptyDatabaseMessage)
    return true;

  if (strDirectory.IsEmpty())
    AddSearchFolder();

  if (m_thumbLoader.IsLoading())
    m_thumbLoader.StopThread();

  bool bResult = CGUIWindowMusicBase::GetDirectory(strDirectory, items);
  if (bResult)
  {
    if (items.IsPlayList())
      OnRetrieveMusicInfo(items);
    if (!items.IsMusicDb())
    {
      items.SetCachedMusicThumbs();
      m_thumbLoader.Load(*m_vecItems);
    }
  }

  // update our content in the info manager
  if (strDirectory.Left(10).Equals("videodb://"))
  {
    CVideoDatabaseDirectory dir;
    VIDEODATABASEDIRECTORY::NODE_TYPE node = dir.GetDirectoryChildType(strDirectory);
    if (node == VIDEODATABASEDIRECTORY::NODE_TYPE_TITLE_MUSICVIDEOS)
      items.SetContent("musicvideos");
  }
  else if (strDirectory.Left(10).Equals("musicdb://"))
  {
    CMusicDatabaseDirectory dir;
    NODE_TYPE node = dir.GetDirectoryChildType(strDirectory);
    if (node == NODE_TYPE_ALBUM ||
        node == NODE_TYPE_ALBUM_RECENTLY_ADDED ||
        node == NODE_TYPE_ALBUM_RECENTLY_PLAYED ||
        node == NODE_TYPE_ALBUM_TOP100 ||
        node == NODE_TYPE_ALBUM_COMPILATIONS ||
        node == NODE_TYPE_YEAR_ALBUM)
      items.SetContent("albums");
    else if (node == NODE_TYPE_ARTIST)
      items.SetContent("artists");
    else if (node == NODE_TYPE_SONG ||
             node == NODE_TYPE_SONG_TOP100 ||
             node == NODE_TYPE_SINGLES)
      items.SetContent("songs");
    else if (node == NODE_TYPE_GENRE)
      items.SetContent("genres");
    else if (node == NODE_TYPE_YEAR)
      items.SetContent("years");
  }
  else if (strDirectory.Equals("special://musicplaylists"))
    items.SetContent("playlists");
  else if (strDirectory.Equals("plugin://music/"))
    items.SetContent("plugins");
  else if (items.IsPlayList())
    items.SetContent("songs");

  return bResult;
}

//.........这里部分代码省略.........
              while(!get.Wait(10))
              {
                CSingleLock lock(g_graphicsContext);

                // update progress
                float progress = pDirectory->GetProgress();
                if (progress > 0)
                  dialog->SetProgress(progress);

                if (dialog->IsCanceled())
                {
                  cancel = true;
                  pDirectory->CancelDirectory();
                  break;
                }

                lock.Leave(); // prevent an occasional deadlock on exit
                g_windowManager.ProcessRenderLoop(false);
              }

              dialog->Close();
            }
          }
          result = get.GetDirectory(items);
        }
        else
        {
          items.SetURL(url);
          result = pDirectory->GetDirectory(realURL, items);
        }

        if (!result)
        {
          if (!cancel && g_application.IsCurrentThread() && pDirectory->ProcessRequirements())
            continue;
          CLog::Log(LOGERROR, "%s - Error getting %s", __FUNCTION__, url.GetRedacted().c_str());
          return false;
        }
      }

      // cache the directory, if necessary
      if (!(hints.flags & DIR_FLAG_BYPASS_CACHE))
        g_directoryCache.SetDirectory(realURL.Get(), items, pDirectory->GetCacheType(url));
    }

    // now filter for allowed files
    if (!pDirectory->AllowAll())
    {
      pDirectory->SetMask(hints.mask);
      for (int i = 0; i < items.Size(); ++i)
      {
        CFileItemPtr item = items[i];
        if (!item->m_bIsFolder && !pDirectory->IsAllowed(item->GetURL()))
        {
          items.Remove(i);
          i--; // don't confuse loop
        }
      }
    }
    // filter hidden files
    // TODO: we shouldn't be checking the gui setting here, callers should use getHidden instead
    if (!CSettings::Get().GetBool("filelists.showhidden") && !(hints.flags & DIR_FLAG_GET_HIDDEN))
    {
      for (int i = 0; i < items.Size(); ++i)
      {
        if (items[i]->GetProperty("file:hidden").asBoolean())
        {
          items.Remove(i);
          i--; // don't confuse loop
        }
      }
    }

    //  Should any of the files we read be treated as a directory?
    //  Disable for database folders, as they already contain the extracted items
    if (!(hints.flags & DIR_FLAG_NO_FILE_DIRS) && !items.IsMusicDb() && !items.IsVideoDb() && !items.IsSmartPlayList())
      FilterFileDirectories(items, hints.mask);

    // Correct items for path substitution
    const std::string pathToUrl(url.Get());
    const std::string pathToUrl2(realURL.Get());
    if (pathToUrl != pathToUrl2)
    {
      for (int i = 0; i < items.Size(); ++i)
      {
        CFileItemPtr item = items[i];
        item->SetPath(URIUtils::SubstitutePath(item->GetPath(), true));
      }
    }

    return true;
  }
  XBMCCOMMONS_HANDLE_UNCHECKED
  catch (...)
  {
    CLog::Log(LOGERROR, "%s - Unhandled exception", __FUNCTION__);
  }
  CLog::Log(LOGERROR, "%s - Error getting %s", __FUNCTION__, url.GetRedacted().c_str());
  return false;
}

bool CGUIWindowMusicNav::GetDirectory(const std::string &strDirectory, CFileItemList &items)
{
  if (m_bDisplayEmptyDatabaseMessage)
    return true;

  if (strDirectory.empty())
    AddSearchFolder();

  bool bResult = CGUIWindowMusicBase::GetDirectory(strDirectory, items);
  if (bResult)
  {
    if (items.IsPlayList())
      OnRetrieveMusicInfo(items);
  }

  // update our content in the info manager
  if (StringUtils::StartsWithNoCase(strDirectory, "videodb://") || items.IsVideoDb())
  {
    CVideoDatabaseDirectory dir;
    VIDEODATABASEDIRECTORY::NODE_TYPE node = dir.GetDirectoryChildType(strDirectory);
    if (node == VIDEODATABASEDIRECTORY::NODE_TYPE_TITLE_MUSICVIDEOS ||
        node == VIDEODATABASEDIRECTORY::NODE_TYPE_RECENTLY_ADDED_MUSICVIDEOS)
      items.SetContent("musicvideos");
    else if (node == VIDEODATABASEDIRECTORY::NODE_TYPE_GENRE)
      items.SetContent("genres");
    else if (node == VIDEODATABASEDIRECTORY::NODE_TYPE_COUNTRY)
      items.SetContent("countries");
    else if (node == VIDEODATABASEDIRECTORY::NODE_TYPE_ACTOR)
      items.SetContent("artists");
    else if (node == VIDEODATABASEDIRECTORY::NODE_TYPE_DIRECTOR)
      items.SetContent("directors");
    else if (node == VIDEODATABASEDIRECTORY::NODE_TYPE_STUDIO)
      items.SetContent("studios");
    else if (node == VIDEODATABASEDIRECTORY::NODE_TYPE_YEAR)
      items.SetContent("years");
    else if (node == VIDEODATABASEDIRECTORY::NODE_TYPE_MUSICVIDEOS_ALBUM)
      items.SetContent("albums");
    else if (node == VIDEODATABASEDIRECTORY::NODE_TYPE_TAGS)
      items.SetContent("tags");
  }
  else if (StringUtils::StartsWithNoCase(strDirectory, "musicdb://") || items.IsMusicDb())
  {
    CMusicDatabaseDirectory dir;
    NODE_TYPE node = dir.GetDirectoryChildType(strDirectory);
    if (node == NODE_TYPE_ALBUM ||
        node == NODE_TYPE_ALBUM_RECENTLY_ADDED ||
        node == NODE_TYPE_ALBUM_RECENTLY_PLAYED ||
        node == NODE_TYPE_ALBUM_TOP100 ||
        node == NODE_TYPE_ALBUM_COMPILATIONS ||
        node == NODE_TYPE_YEAR_ALBUM)
      items.SetContent("albums");
    else if (node == NODE_TYPE_ARTIST)
      items.SetContent("artists");
    else if (node == NODE_TYPE_SONG ||
             node == NODE_TYPE_SONG_TOP100 ||
             node == NODE_TYPE_SINGLES ||
             node == NODE_TYPE_ALBUM_RECENTLY_ADDED_SONGS ||
             node == NODE_TYPE_ALBUM_RECENTLY_PLAYED_SONGS ||
             node == NODE_TYPE_ALBUM_COMPILATIONS_SONGS ||
             node == NODE_TYPE_ALBUM_TOP100_SONGS ||
             node == NODE_TYPE_YEAR_SONG)
      items.SetContent("songs");
    else if (node == NODE_TYPE_GENRE)
      items.SetContent("genres");
    else if (node == NODE_TYPE_YEAR)
      items.SetContent("years");
  }
  else if (URIUtils::PathEquals(strDirectory, "special://musicplaylists/"))
    items.SetContent("playlists");
  else if (URIUtils::PathEquals(strDirectory, "plugin://music/"))
    items.SetContent("plugins");
  else if (items.IsPlayList())
    items.SetContent("songs");

  return bResult;
}

bool CDirectory::GetDirectory(const CStdString& strPath, CFileItemList &items, CStdString strMask /*=""*/, bool bUseFileDirectories /* = true */, bool allowPrompting /* = false */, DIR_CACHE_TYPE cacheDirectory /* = DIR_CACHE_NEVER */, bool extFileInfo /* = true */)
{
  try
  {
    auto_ptr<IDirectory> pDirectory(CFactoryDirectory::Create(strPath));
    if (!pDirectory.get())
      return false;

    // check our cache for this path
    if (g_directoryCache.GetDirectory(strPath, items, cacheDirectory == DIR_CACHE_ALWAYS))
      items.m_strPath = strPath;
    else
    {
      // need to clear the cache (in case the directory fetch fails)
      // and (re)fetch the folder
      if (cacheDirectory != DIR_CACHE_NEVER)
        g_directoryCache.ClearDirectory(strPath);

      pDirectory->SetAllowPrompting(allowPrompting);
      pDirectory->SetCacheDirectory(cacheDirectory);
      pDirectory->SetUseFileDirectories(bUseFileDirectories);
      pDirectory->SetExtFileInfo(extFileInfo);

      items.m_strPath = strPath;

      if (!pDirectory->GetDirectory(strPath, items))
      {
        CLog::Log(LOGERROR, "%s - Error getting %s", __FUNCTION__, strPath.c_str());
        return false;
      }

      // cache the directory, if necessary
      if (cacheDirectory != DIR_CACHE_NEVER)
        g_directoryCache.SetDirectory(strPath, items, pDirectory->GetCacheType(strPath));
    }

    // now filter for allowed files
    pDirectory->SetMask(strMask);
    for (int i = 0; i < items.Size(); ++i)
    {
      CFileItemPtr item = items[i];
      if ((!item->m_bIsFolder && !pDirectory->IsAllowed(item->m_strPath)) ||
          (item->GetPropertyBOOL("file:hidden") && !g_guiSettings.GetBool("filelists.showhidden")))
      {
        items.Remove(i);
        i--; // don't confuse loop
      }
    }

    //  Should any of the files we read be treated as a directory?
    //  Disable for database folders, as they already contain the extracted items
    if (bUseFileDirectories && !items.IsMusicDb() && !items.IsVideoDb() && !items.IsSmartPlayList())
    {
      for (int i=0; i< items.Size(); ++i)
      {
        CFileItemPtr pItem=items[i];
        if ((!pItem->m_bIsFolder) && (!pItem->IsInternetStream()))
        {
          auto_ptr<IFileDirectory> pDirectory(CFactoryFileDirectory::Create(pItem->m_strPath,pItem.get(),strMask));
          if (pDirectory.get())
            pItem->m_bIsFolder = true;
          else
            if (pItem->m_bIsFolder)
            {
              items.Remove(i);
              i--; // don't confuse loop
            }
        }
      }
    }
    return true;
  }
#ifndef _LINUX
  catch (const win32_exception &e)
  {
    e.writelog(__FUNCTION__);
  }
#endif
  catch (...)
  {
    CLog::Log(LOGERROR, "%s - Unhandled exception", __FUNCTION__);
  }
  CLog::Log(LOGERROR, "%s - Error getting %s", __FUNCTION__, strPath.c_str());
  return false;
}

bool CDirectory::GetDirectory(const CStdString& strPath, CFileItemList &items, CStdString strMask /*=""*/, bool bUseFileDirectories /* = true */, bool allowPrompting /* = false */, DIR_CACHE_TYPE cacheDirectory /* = DIR_CACHE_ONCE */, bool extFileInfo /* = true */, bool allowThreads /* = false */, bool getHidden /* = false */)
{
  try
  {
    CStdString realPath = URIUtils::SubstitutePath(strPath);
    boost::shared_ptr<IDirectory> pDirectory(CFactoryDirectory::Create(realPath));
    if (!pDirectory.get())
      return false;

    // check our cache for this path
    if (g_directoryCache.GetDirectory(strPath, items, cacheDirectory == DIR_CACHE_ALWAYS))
      items.SetPath(strPath);
    else
    {
      // need to clear the cache (in case the directory fetch fails)
      // and (re)fetch the folder
      if (cacheDirectory != DIR_CACHE_NEVER)
        g_directoryCache.ClearDirectory(strPath);

      pDirectory->SetAllowPrompting(allowPrompting);
      pDirectory->SetCacheDirectory(cacheDirectory);
      pDirectory->SetUseFileDirectories(bUseFileDirectories);
      pDirectory->SetExtFileInfo(extFileInfo);

      bool result = false, cancel = false;
      while (!result && !cancel)
      {
        if (g_application.IsCurrentThread() && allowThreads && !URIUtils::IsSpecial(strPath))
        {
          CSingleExit ex(g_graphicsContext);

          CGetDirectory get(pDirectory, realPath);
          if(!get.Wait(TIME_TO_BUSY_DIALOG))
          {
            CGUIDialogBusy* dialog = (CGUIDialogBusy*)g_windowManager.GetWindow(WINDOW_DIALOG_BUSY);
            dialog->Show();

            while(!get.Wait(10))
            {
              CSingleLock lock(g_graphicsContext);

              if(dialog->IsCanceled())
              {
                cancel = true;
                break;
              }
              g_windowManager.ProcessRenderLoop(false);
            }
            if(dialog)
              dialog->Close();
          }
          result = get.GetDirectory(items);
        }
        else
        {
          items.SetPath(strPath);
          result = pDirectory->GetDirectory(realPath, items);
        }

        if (!result)
        {
          if (!cancel && g_application.IsCurrentThread() && pDirectory->ProcessRequirements())
            continue;
          CLog::Log(LOGERROR, "%s - Error getting %s", __FUNCTION__, strPath.c_str());
          return false;
        }
      }

      // cache the directory, if necessary
      if (cacheDirectory != DIR_CACHE_NEVER)
        g_directoryCache.SetDirectory(strPath, items, pDirectory->GetCacheType(strPath));
    }

    // now filter for allowed files
    pDirectory->SetMask(strMask);
    for (int i = 0; i < items.Size(); ++i)
    {
      CFileItemPtr item = items[i];
      // TODO: we shouldn't be checking the gui setting here;
      // callers should use getHidden instead
      if ((!item->m_bIsFolder && !pDirectory->IsAllowed(item->GetPath())) ||
          (item->GetPropertyBOOL("file:hidden") && !getHidden && !g_guiSettings.GetBool("filelists.showhidden")))
      {
        items.Remove(i);
        i--; // don't confuse loop
      }
    }

    //  Should any of the files we read be treated as a directory?
    //  Disable for database folders, as they already contain the extracted items
    if (bUseFileDirectories && !items.IsMusicDb() && !items.IsVideoDb() && !items.IsSmartPlayList())
      FilterFileDirectories(items, strMask);

    return true;
  }
#ifndef _LINUX
  catch (const win32_exception &e)
  {
    e.writelog(__FUNCTION__);
  }
//.........这里部分代码省略.........