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 content="yes" name="apple-mobile-web-app-capable"
    meta content="black-translucent" name="apple-mobile-web-app-status-bar-style"
    meta content="width=(device-width, initial-scale=1.0, maximum-scale=1.0,)user-scalable=no" name="viewport"

    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'
    - else
      link rel='stylesheet' href='revealjs/css/theme/gpe.css' id='theme'

    // For syntax highlighting
    link href="revealjs/lib/css/zenburn.css" rel="stylesheet"
    // If the query includes 'print-pdf', use the PDF print sheet
    javascript:
      document.write( '<link rel="stylesheet" href="css/print/' + ( window.location.search.match( /print-pdf/gi ) ? 'pdf' : 'paper' ) + '.css" type="text/css" media="print">' );
  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"
    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: true,
         // Display a presentation progress bar
         progress: true,
         // Push each slide change to the browser history
         history: false,
         // Enable keyboard shortcuts for navigation
         keyboard: true,
         // Enable the slide overview mode
         overview: true,
         // Vertical centering of slides
         center: true,
         // Loop the presentation
         loop: false,
         // Change the presentation direction to be RTL
         rtl: 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: 0,
         // Enable slide navigation via mouse wheel
         mouseWheel: false,
         // Apply a 3D roll to links on hover
         rollingLinks: true,

          margin: 0.2,

         // Transition speed
         transitionSpeed: 'default', // default/fast/slow
         // Transition style for full page backgrounds
         backgroundTransition: 'default', // default/linear

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

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

        // Parallax scrolling
        // parallaxBackgroundImage: 'https://s3.amazonaws.com/hakim-static/reveal-js/reveal-parallax-1.jpg',
        // parallaxBackgroundSize: '2100px 900px',

        // 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/highlight/highlight.js', async: true, callback: function() { hljs.initHighlightingOnLoad(); } },
             { 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; } }
         ]
       });