void Application::loadFonts( LanguageInfo::Language newLang )
{
    bool needLoadingDialog = m_bFontsLoaded;

    // Retrieve path for installed fonts
    auto fontsPath = QString::fromStdString( PathsProvider::instance().path( PathType::FontsPath ) );

    QFontDatabase fontDB;

    if ( !m_bFontsLoaded )
    {
        int nsr = fontDB.addApplicationFont( QString{ "%1/NotoSans-Regular.ttf" }.arg( fontsPath ) );
        int nsb = fontDB.addApplicationFont( QString{ "%1/NotoSans-Bold.ttf" }.arg( fontsPath ) );
        int nsi = fontDB.addApplicationFont( QString{ "%1/NotoSans-Italic.ttf" }.arg( fontsPath ) );
        int nsbi = fontDB.addApplicationFont( QString{ "%1/NotoSans-BoldItalic.ttf" }.arg( fontsPath ) );

        if ( -1 != nsr && -1 != nsb && -1 != nsi && -1 != nsbi )
        {
            m_bFontsLoaded = true;
        }
    }

    std::function<void()> loadCJKFonts = [=]()
    {
        int nsr = fontDB.addApplicationFont( QString{ "%1/NotoSansCJK-Regular.ttc" }.arg( fontsPath ) );
        int nsb = fontDB.addApplicationFont( QString{ "%1/NotoSansCJK-Bold.ttc" }.arg( fontsPath ) );

        if ( -1 != nsr && -1 != nsb )
        {
            m_bCJKFontsLoaded = true;
        }
    };

    // load CJK font only if language is Chinese or Japanese, cause it takes about 3.5 seconds to load on device
    // and about 18 on PC
    if ( !m_bCJKFontsLoaded && ( LanguageInfo::Japanese == newLang || LanguageInfo::ChineseTraditional == newLang
                                 || LanguageInfo::ChineseSimplified == newLang) )
    {
        if ( needLoadingDialog )
        {
            //! \todo: revert commented code when LoadingDialog will be implemented
            loadCJKFonts();
//            LoadingDialog* pDialog = new LoadingDialog{
//            //% "Language"
//            qtTrId( "id-application-language" ),
//            //% "Loading fonts"
//            qtTrId( "id-application-loading_fonts" ), loadCJKFonts };
//            connect( pDialog, &LoadingDialog::finished, pDialog, &LoadingDialog::deleteLater );
//            pDialog->show();
        }
        else
        {
            loadCJKFonts();
        }
    }

    /*!
     * Setting up default application font.
     */
    QGuiApplication::setFont( QFont{ "Noto Sans" } );
}