- revealjsdir = (attr :revealjsdir, 'revealjs')
doctype 5
html lang=(attr :lang, 'en' unless attr? :nolang)
  head
    meta charset="utf-8"
    - [:description, :keywords, :author, :copyright].each do |key|
      - if attr? key
        meta name=key content=(attr key)

    title=((doctitle :sanitize => true) || (attr 'untitled-label'))
    meta name="apple-mobile-web-app-capable" content="yes"
    meta name="apple-mobile-web-app-status-bar-style" content="black-translucent"
    meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" 

    link href="revealjs/css/reveal.min.css" rel="stylesheet"

    - if attr? :revealjs_theme
      link rel='stylesheet' href='revealjs/css/theme/#{attr :revealjs_theme}.css' id='theme'
    - elsif attr? :revealjs_customtheme
      link rel='stylesheet' href='#{attr :revealjs_customtheme}' id='theme'
    - else
      link rel='stylesheet' href='revealjs/css/theme/gpe.css' id='theme'

    - if attr? :icons, 'font'
      - if attr? 'iconfont-remote'
        link rel='stylesheet' href=(attr 'iconfont-cdn', 'http://maxcdn.bootstrapcdn.com/font-awesome/4.3.0/css/font-awesome.min.css')
      - else
        link rel='stylesheet' href=normalize_web_path("#{attr 'iconfont-name', 'font-awesome'}.css", (attr :revealjs_vendor_stylesdir, 'revealjs/lib/css/'))

    - case attr 'source-highlighter'
    - when 'coderay'
      - if (attr 'coderay-css', 'class') == 'class'
        - if @safe >= Asciidoctor::SafeMode::SECURE || (attr? :linkcss)
          link rel='stylesheet' href=normalize_web_path('asciidoctor-coderay.css', (attr :stylesdir, ''))
        - else
          style=Asciidoctor::HTML5.default_coderay_stylesheet
    - when 'pygments'
      - if (attr 'pygments-css', 'class') == 'class'
        - if @safe >= Asciidoctor::SafeMode::SECURE || (attr? :linkcss)
          link rel='stylesheet' href=normalize_web_path('asciidoctor-pygments.css', (attr :stylesdir, ''))
        - else
          style=Asciidoctor::HTML5.pygments_stylesheet(attr 'pygments-style')
    - when 'highlightjs'
      - if attr? 'highlightjs-remote'
        link rel='stylesheet' href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.4/styles/#{attr 'highlightjs-theme', 'default'}.min.css"
      - else
        link rel='stylesheet' href="#{attr :revealjsdir}/lib/css/highlightjs/#{attr 'highlightjs-theme', 'default'}.min.css"
      script src="#{attr :highlightjsdir, 'https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.4'}/highlight.min.js"
      script hljs.initHighlightingOnLoad()
    - when 'prettify'
      link rel='stylesheet' href="#{attr :prettifydir, 'http://cdnjs.cloudflare.com/ajax/libs/prettify/r298'}/#{attr 'prettify-theme', 'prettify'}.min.css"
      script src="#{attr :prettifydir, 'http://cdnjs.cloudflare.com/ajax/libs/prettify/r298'}/prettify.min.js"
      script document.addEventListener('DOMContentLoaded', prettyPrint)
    // If the query includes 'print-pdf', use the PDF print sheet
    javascript:
      if( window.location.search.match( /print-pdf/gi ) ) {
          var link = document.createElement( 'link' );
          link.rel = 'stylesheet';
          link.type = 'text/css';
          link.href = 'revealjs/css/print/pdf.css';
          document.getElementsByTagName( 'head' )[0].appendChild( link );
      }
  body
    .reveal
      - if attr? :header_image_path
        .header
          img src=image_uri(attr :header_image_path)
      // Any section element inside of this container is displayed as a slide
      .slides
        =content
    - if attr? :footer_copyright
      .footer
        =attr :footer_copyright
    script src="revealjs/lib/js/head.min.js"
    script src="revealjs/js/reveal.min.js"
    - if attr? :script
      script src="#{attr :scriptsdir, ''}/#{attr :script}"
    - if attr? :scripts
      - scripts = (attr :scripts)
      - scripts.split(',').each do |script|
        script src="#{attr :scriptsdir, ''}/#{script.strip}"
    javascript:
      // Full list of configuration options available here:
      // https://github.com/hakimel/reveal.js#configuration
       Reveal.initialize({

         // Display controls in the bottom right corner
         controls: #{attr 'revealjs_controls', 'true'},
         // Display a presentation progress bar
         progress: #{attr 'revealjs_progress', 'true'},
         // Push each slide change to the browser history
         history: #{attr 'revealjs_history', 'true'},
         // Enable keyboard shortcuts for navigation
         keyboard: #{attr 'revealjs_keyboard', 'true'},
         // Enable the slide overview mode
         overview: #{attr 'revealjs_overview', 'true'},
         // Vertical centering of slides
         center: #{attr 'revealjs_center', 'false'},
         // Enables touch navigation on devices with touch input
         touch: #{attr 'revealjs_touch', 'true'},
         // Loop the presentation
         loop: #{attr 'revealjs_loop', 'false'},
         // Change the presentation direction to be RTL
         rtl: #{attr 'revealjs_rtl', 'false'},
         // Turns fragments on and off globally
         fragments: #{attr 'revealjs_fragments', 'true'},
         // Flags if the presentation is running in an embedded mode,
         // i.e. contained within a limited portion of the screen
         embedded: #{attr 'revealjs_embedded', 'false'},
         // Number of milliseconds between automatically proceeding to the
         // next slide, disabled when set to 0, this value can be overwritten
         // by using a data-autoslide attribute on your slides
         autoSlide: #{attr 'revealjs_autoslide', 0},
         // Stop auto-sliding after user input
         autoSlideStoppable: #{attr 'revealjs_autoslidestoppable', 'true'},
         // Enable slide navigation via mouse wheel
         mouseWheel: #{attr 'revealjs_mousewheel', 'false'},
         
         // Apply a 3D roll to links on hover
         rollingLinks: true,

         margin: #{attr 'revealjs_margin', 0.2},
         width: #{attr 'revealjs_width', 960},
         height: #{attr 'revealjs_height', 700},
         minScale: #{attr 'revealjs_minscale', 0.2},
         maxScale: #{attr 'revealjs_maxscale', 1},

         // Display the page number of the current slide
         slideNumber: #{attr 'revealjs_slidenumber', 'true'},

         // Hides the address bar on mobile devices
         hideAddressBar: #{attr 'revealjs_hideaddressbar', 'true'},
         // Opens links in an iframe preview overlay
         previewLinks: #{attr 'revealjs_previewlinks', 'false'},

         // Transition speed (e.g., default, fast, slow)
         transitionSpeed: '#{attr 'revealjs_transitionspeed', 'default'}',
         // Transition style for full page slide backgrounds (e.g., none, fade, slide, convex, concave, zoom)
         backgroundTransition: '#{attr 'revealjs_backgroundtransition', 'default'}',

         // Number of slides away from the current that are visible
         viewDistance: #{attr 'revealjs_viewdistance', 3},
         // Parallax background image (e.g., "'https://s3.amazonaws.com/hakim-static/reveal-js/reveal-parallax-1.jpg'")
         parallaxBackgroundImage: '#{attr 'revealjs_parallaxbackgroundimage', ''}',
         // Parallax background size in CSS syntax (e.g., "2100px 900px")
         parallaxBackgroundSize: '#{attr 'revealjs_parallaxbackgroundsize', ''}',

         theme: Reveal.getQueryHash().theme, // available themes are in /css/theme

         // Transition style
         transition: Reveal.getQueryHash().transition || '#{attr 'revealjs_transition', 'default'}', // default/cube/page/concave/zoom/linear/fade/none

        // Optional libraries used to extend on reveal.js
         dependencies: [
             { src: 'revealjs/lib/js/classList.js', condition: function() { return !document.body.classList; } },
             { src: 'revealjs/plugin/markdown/marked.js', condition: function() { return !!document.querySelector( '[data-markdown]' ); } },
             { src: 'revealjs/plugin/markdown/markdown.js', condition: function() { return !!document.querySelector( '[data-markdown]' ); } },
             { src: 'revealjs/plugin/zoom-js/zoom.js', async: true, condition: function() { return !!document.body.classList; } },
             { src: 'revealjs/plugin/notes/notes.js', async: true, condition: function() { return !!document.body.classList; } },
             { src: 'revealjs/plugin/math/math.js', async: true }
         ]
         // TODO : Add a parameter to enable/disbale REMOTE
         // { src: 'revealjs/plugin/remotes/remotes.js', async: true, condition: function() { return !!document.body.classList; } },
       });