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plugin/example.html
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plugin/example.html
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<!doctype html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<title>reveal.js - Markdown Demo</title>
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<link rel="stylesheet" href="../../css/reveal.css">
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<link rel="stylesheet" href="../../css/theme/white.css" id="theme">
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<link rel="stylesheet" href="../../lib/css/zenburn.css">
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</head>
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<body>
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<div class="reveal">
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<div class="slides">
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<!-- Use external markdown resource, separate slides by three newlines; vertical slides by two newlines -->
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<section data-markdown="example.md" data-separator="^\n\n\n" data-separator-vertical="^\n\n"></section>
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<!-- Slides are separated by three dashes (quick 'n dirty regular expression) -->
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<section data-markdown data-separator="---">
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<script type="text/template">
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## Demo 1
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Slide 1
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---
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## Demo 1
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Slide 2
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---
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## Demo 1
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Slide 3
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</script>
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</section>
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<!-- Slides are separated by newline + three dashes + newline, vertical slides identical but two dashes -->
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<section data-markdown data-separator="^\n---\n$" data-separator-vertical="^\n--\n$">
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<script type="text/template">
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## Demo 2
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Slide 1.1
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--
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## Demo 2
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Slide 1.2
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---
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## Demo 2
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Slide 2
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</script>
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</section>
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<!-- No "extra" slides, since there are no separators defined (so they'll become horizontal rulers) -->
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<section data-markdown>
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<script type="text/template">
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A
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---
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B
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---
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C
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</script>
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</section>
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<!-- Slide attributes -->
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<section data-markdown>
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<script type="text/template">
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<!-- .slide: data-background="#000000" -->
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## Slide attributes
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</script>
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</section>
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<!-- Element attributes -->
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<section data-markdown>
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<script type="text/template">
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## Element attributes
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- Item 1 <!-- .element: class="fragment" data-fragment-index="2" -->
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- Item 2 <!-- .element: class="fragment" data-fragment-index="1" -->
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</script>
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</section>
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<!-- Code -->
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<section data-markdown>
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<script type="text/template">
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```php
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public function foo()
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{
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$foo = array(
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'bar' => 'bar'
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)
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}
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```
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</script>
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</section>
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<!-- Images -->
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<section data-markdown>
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<script type="text/template">
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</script>
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</section>
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</div>
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</div>
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<script src="../../lib/js/head.min.js"></script>
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<script src="../../js/reveal.js"></script>
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<script>
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Reveal.initialize({
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controls: true,
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progress: true,
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history: true,
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center: true,
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// Optional libraries used to extend on reveal.js
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dependencies: [
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{ src: '../../lib/js/classList.js', condition: function() { return !document.body.classList; } },
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{ src: 'marked.js', condition: function() { return !!document.querySelector( '[data-markdown]' ); } },
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{ src: 'markdown.js', condition: function() { return !!document.querySelector( '[data-markdown]' ); } },
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{ src: '../highlight/highlight.js', async: true, callback: function() { hljs.initHighlightingOnLoad(); } },
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{ src: '../notes/notes.js' }
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]
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});
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</script>
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</body>
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</html>
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plugin/marked.js
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plugin/marked.js
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plugin/notes.html
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plugin/notes.html
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<!doctype html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<title>reveal.js - Slide Notes</title>
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<style>
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body {
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font-family: Helvetica;
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font-size: 18px;
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}
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#current-slide,
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#upcoming-slide,
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#speaker-controls {
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padding: 6px;
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box-sizing: border-box;
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-moz-box-sizing: border-box;
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}
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#current-slide iframe,
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#upcoming-slide iframe {
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width: 100%;
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height: 100%;
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border: 1px solid #ddd;
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}
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#current-slide .label,
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#upcoming-slide .label {
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position: absolute;
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top: 10px;
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left: 10px;
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z-index: 2;
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}
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#connection-status {
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position: absolute;
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top: 0;
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left: 0;
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width: 100%;
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height: 100%;
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z-index: 20;
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padding: 30% 20% 20% 20%;
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font-size: 18px;
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color: #222;
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background: #fff;
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text-align: center;
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box-sizing: border-box;
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line-height: 1.4;
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}
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.overlay-element {
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height: 34px;
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line-height: 34px;
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padding: 0 10px;
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text-shadow: none;
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background: rgba( 220, 220, 220, 0.8 );
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color: #222;
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font-size: 14px;
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}
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.overlay-element.interactive:hover {
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background: rgba( 220, 220, 220, 1 );
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}
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#current-slide {
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position: absolute;
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width: 60%;
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height: 100%;
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top: 0;
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left: 0;
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padding-right: 0;
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}
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#upcoming-slide {
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position: absolute;
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width: 40%;
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height: 40%;
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right: 0;
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top: 0;
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}
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/* Speaker controls */
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#speaker-controls {
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position: absolute;
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top: 40%;
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right: 0;
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width: 40%;
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height: 60%;
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overflow: auto;
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font-size: 18px;
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}
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.speaker-controls-time.hidden,
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.speaker-controls-notes.hidden {
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display: none;
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}
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.speaker-controls-time .label,
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.speaker-controls-pace .label,
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.speaker-controls-notes .label {
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text-transform: uppercase;
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font-weight: normal;
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font-size: 0.66em;
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color: #666;
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margin: 0;
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}
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.speaker-controls-time, .speaker-controls-pace {
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border-bottom: 1px solid rgba( 200, 200, 200, 0.5 );
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margin-bottom: 10px;
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padding: 10px 16px;
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padding-bottom: 20px;
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cursor: pointer;
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}
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.speaker-controls-time .reset-button {
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opacity: 0;
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float: right;
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color: #666;
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text-decoration: none;
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}
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.speaker-controls-time:hover .reset-button {
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opacity: 1;
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}
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.speaker-controls-time .timer,
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.speaker-controls-time .clock {
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width: 50%;
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}
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.speaker-controls-time .timer,
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.speaker-controls-time .clock,
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.speaker-controls-time .pacing .hours-value,
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.speaker-controls-time .pacing .minutes-value,
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.speaker-controls-time .pacing .seconds-value {
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font-size: 1.9em;
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}
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.speaker-controls-time .timer {
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float: left;
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}
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.speaker-controls-time .clock {
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float: right;
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text-align: right;
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}
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.speaker-controls-time span.mute {
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opacity: 0.3;
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}
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.speaker-controls-time .pacing-title {
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margin-top: 5px;
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}
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.speaker-controls-time .pacing.ahead {
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color: blue;
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}
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.speaker-controls-time .pacing.on-track {
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color: green;
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}
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.speaker-controls-time .pacing.behind {
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color: red;
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}
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.speaker-controls-notes {
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padding: 10px 16px;
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}
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.speaker-controls-notes .value {
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margin-top: 5px;
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line-height: 1.4;
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font-size: 1.2em;
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}
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/* Layout selector */
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#speaker-layout {
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position: absolute;
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top: 10px;
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right: 10px;
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color: #222;
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z-index: 10;
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}
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#speaker-layout select {
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position: absolute;
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width: 100%;
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height: 100%;
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top: 0;
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left: 0;
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border: 0;
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box-shadow: 0;
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cursor: pointer;
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opacity: 0;
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font-size: 1em;
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background-color: transparent;
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-moz-appearance: none;
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-webkit-appearance: none;
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-webkit-tap-highlight-color: rgba(0, 0, 0, 0);
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}
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#speaker-layout select:focus {
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outline: none;
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box-shadow: none;
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}
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.clear {
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clear: both;
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}
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/* Speaker layout: Wide */
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body[data-speaker-layout="wide"] #current-slide,
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body[data-speaker-layout="wide"] #upcoming-slide {
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width: 50%;
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height: 45%;
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padding: 6px;
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}
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body[data-speaker-layout="wide"] #current-slide {
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top: 0;
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left: 0;
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}
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body[data-speaker-layout="wide"] #upcoming-slide {
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top: 0;
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left: 50%;
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}
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body[data-speaker-layout="wide"] #speaker-controls {
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top: 45%;
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left: 0;
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width: 100%;
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height: 50%;
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font-size: 1.25em;
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}
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/* Speaker layout: Tall */
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body[data-speaker-layout="tall"] #current-slide,
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body[data-speaker-layout="tall"] #upcoming-slide {
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width: 45%;
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height: 50%;
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padding: 6px;
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}
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body[data-speaker-layout="tall"] #current-slide {
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top: 0;
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left: 0;
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}
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body[data-speaker-layout="tall"] #upcoming-slide {
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top: 50%;
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left: 0;
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}
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body[data-speaker-layout="tall"] #speaker-controls {
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padding-top: 40px;
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top: 0;
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left: 45%;
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width: 55%;
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height: 100%;
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font-size: 1.25em;
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}
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/* Speaker layout: Notes only */
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body[data-speaker-layout="notes-only"] #current-slide,
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body[data-speaker-layout="notes-only"] #upcoming-slide {
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display: none;
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}
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body[data-speaker-layout="notes-only"] #speaker-controls {
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padding-top: 40px;
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top: 0;
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left: 0;
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width: 100%;
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height: 100%;
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font-size: 1.25em;
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}
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@media screen and (max-width: 1080px) {
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body[data-speaker-layout="default"] #speaker-controls {
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font-size: 16px;
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}
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}
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@media screen and (max-width: 900px) {
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body[data-speaker-layout="default"] #speaker-controls {
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font-size: 14px;
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}
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}
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@media screen and (max-width: 800px) {
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body[data-speaker-layout="default"] #speaker-controls {
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font-size: 12px;
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}
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}
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</style>
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</head>
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<body>
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<div id="connection-status">Loading speaker view...</div>
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<div id="current-slide"></div>
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<div id="upcoming-slide"><span class="overlay-element label">Upcoming</span></div>
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<div id="speaker-controls">
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<div class="speaker-controls-time">
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<h4 class="label">Time <span class="reset-button">Click to Reset</span></h4>
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<div class="clock">
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<span class="clock-value">0:00 AM</span>
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</div>
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<div class="timer">
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<span class="hours-value">00</span><span class="minutes-value">:00</span><span class="seconds-value">:00</span>
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</div>
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<div class="clear"></div>
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<h4 class="label pacing-title" style="display: none">Pacing – Time to finish current slide</h4>
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<div class="pacing" style="display: none">
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<span class="hours-value">00</span><span class="minutes-value">:00</span><span class="seconds-value">:00</span>
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</div>
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</div>
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<div class="speaker-controls-notes hidden">
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<h4 class="label">Notes</h4>
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<div class="value"></div>
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</div>
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</div>
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<div id="speaker-layout" class="overlay-element interactive">
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<span class="speaker-layout-label"></span>
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<select class="speaker-layout-dropdown"></select>
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</div>
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<script src="../../plugin/markdown/marked.js"></script>
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<script>
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(function() {
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var notes,
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notesValue,
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currentState,
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currentSlide,
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upcomingSlide,
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layoutLabel,
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layoutDropdown,
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connected = false;
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var SPEAKER_LAYOUTS = {
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'default': 'Default',
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'wide': 'Wide',
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'tall': 'Tall',
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'notes-only': 'Notes only'
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};
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setupLayout();
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var connectionStatus = document.querySelector( '#connection-status' );
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var connectionTimeout = setTimeout( function() {
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connectionStatus.innerHTML = 'Error connecting to main window.<br>Please try closing and reopening the speaker view.';
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}, 5000 );
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window.addEventListener( 'message', function( event ) {
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clearTimeout( connectionTimeout );
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connectionStatus.style.display = 'none';
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var data = JSON.parse( event.data );
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// The overview mode is only useful to the reveal.js instance
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// where navigation occurs so we don't sync it
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if( data.state ) delete data.state.overview;
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// Messages sent by the notes plugin inside of the main window
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if( data && data.namespace === 'reveal-notes' ) {
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if( data.type === 'connect' ) {
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handleConnectMessage( data );
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}
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else if( data.type === 'state' ) {
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handleStateMessage( data );
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}
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}
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// Messages sent by the reveal.js inside of the current slide preview
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else if( data && data.namespace === 'reveal' ) {
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if( /ready/.test( data.eventName ) ) {
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// Send a message back to notify that the handshake is complete
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window.opener.postMessage( JSON.stringify({ namespace: 'reveal-notes', type: 'connected'} ), '*' );
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}
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else if( /slidechanged|fragmentshown|fragmenthidden|paused|resumed/.test( data.eventName ) && currentState !== JSON.stringify( data.state ) ) {
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window.opener.postMessage( JSON.stringify({ method: 'setState', args: [ data.state ]} ), '*' );
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}
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}
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} );
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/**
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* Called when the main window is trying to establish a
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* connection.
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*/
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function handleConnectMessage( data ) {
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if( connected === false ) {
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connected = true;
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setupIframes( data );
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setupKeyboard();
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setupNotes();
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setupTimer();
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}
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}
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/**
|
||||
* Called when the main window sends an updated state.
|
||||
*/
|
||||
function handleStateMessage( data ) {
|
||||
|
||||
// Store the most recently set state to avoid circular loops
|
||||
// applying the same state
|
||||
currentState = JSON.stringify( data.state );
|
||||
|
||||
// No need for updating the notes in case of fragment changes
|
||||
if ( data.notes ) {
|
||||
notes.classList.remove( 'hidden' );
|
||||
notesValue.style.whiteSpace = data.whitespace;
|
||||
if( data.markdown ) {
|
||||
notesValue.innerHTML = marked( data.notes );
|
||||
}
|
||||
else {
|
||||
notesValue.innerHTML = data.notes;
|
||||
}
|
||||
}
|
||||
else {
|
||||
notes.classList.add( 'hidden' );
|
||||
}
|
||||
|
||||
// Update the note slides
|
||||
currentSlide.contentWindow.postMessage( JSON.stringify({ method: 'setState', args: [ data.state ] }), '*' );
|
||||
upcomingSlide.contentWindow.postMessage( JSON.stringify({ method: 'setState', args: [ data.state ] }), '*' );
|
||||
upcomingSlide.contentWindow.postMessage( JSON.stringify({ method: 'next' }), '*' );
|
||||
|
||||
}
|
||||
|
||||
// Limit to max one state update per X ms
|
||||
handleStateMessage = debounce( handleStateMessage, 200 );
|
||||
|
||||
/**
|
||||
* Forward keyboard events to the current slide window.
|
||||
* This enables keyboard events to work even if focus
|
||||
* isn't set on the current slide iframe.
|
||||
*
|
||||
* Block F5 default handling, it reloads and disconnects
|
||||
* the speaker notes window.
|
||||
*/
|
||||
function setupKeyboard() {
|
||||
|
||||
document.addEventListener( 'keydown', function( event ) {
|
||||
if( event.keyCode === 116 || ( event.metaKey && event.keyCode === 82 ) ) {
|
||||
event.preventDefault();
|
||||
return false;
|
||||
}
|
||||
currentSlide.contentWindow.postMessage( JSON.stringify({ method: 'triggerKey', args: [ event.keyCode ] }), '*' );
|
||||
} );
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Creates the preview iframes.
|
||||
*/
|
||||
function setupIframes( data ) {
|
||||
|
||||
var params = [
|
||||
'receiver',
|
||||
'progress=false',
|
||||
'history=false',
|
||||
'transition=none',
|
||||
'autoSlide=0',
|
||||
'backgroundTransition=none'
|
||||
].join( '&' );
|
||||
|
||||
var urlSeparator = /\?/.test(data.url) ? '&' : '?';
|
||||
var hash = '#/' + data.state.indexh + '/' + data.state.indexv;
|
||||
var currentURL = data.url + urlSeparator + params + '&postMessageEvents=true' + hash;
|
||||
var upcomingURL = data.url + urlSeparator + params + '&controls=false' + hash;
|
||||
|
||||
currentSlide = document.createElement( 'iframe' );
|
||||
currentSlide.setAttribute( 'width', 1280 );
|
||||
currentSlide.setAttribute( 'height', 1024 );
|
||||
currentSlide.setAttribute( 'src', currentURL );
|
||||
document.querySelector( '#current-slide' ).appendChild( currentSlide );
|
||||
|
||||
upcomingSlide = document.createElement( 'iframe' );
|
||||
upcomingSlide.setAttribute( 'width', 640 );
|
||||
upcomingSlide.setAttribute( 'height', 512 );
|
||||
upcomingSlide.setAttribute( 'src', upcomingURL );
|
||||
document.querySelector( '#upcoming-slide' ).appendChild( upcomingSlide );
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Setup the notes UI.
|
||||
*/
|
||||
function setupNotes() {
|
||||
|
||||
notes = document.querySelector( '.speaker-controls-notes' );
|
||||
notesValue = document.querySelector( '.speaker-controls-notes .value' );
|
||||
|
||||
}
|
||||
|
||||
function getTimings() {
|
||||
|
||||
var slides = Reveal.getSlides();
|
||||
var defaultTiming = Reveal.getConfig().defaultTiming;
|
||||
if (defaultTiming == null) {
|
||||
return null;
|
||||
}
|
||||
var timings = [];
|
||||
for ( var i in slides ) {
|
||||
var slide = slides[i];
|
||||
var timing = defaultTiming;
|
||||
if( slide.hasAttribute( 'data-timing' )) {
|
||||
var t = slide.getAttribute( 'data-timing' );
|
||||
timing = parseInt(t);
|
||||
if( isNaN(timing) ) {
|
||||
console.warn("Could not parse timing '" + t + "' of slide " + i + "; using default of " + defaultTiming);
|
||||
timing = defaultTiming;
|
||||
}
|
||||
}
|
||||
timings.push(timing);
|
||||
}
|
||||
return timings;
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Return the number of seconds allocated for presenting
|
||||
* all slides up to and including this one.
|
||||
*/
|
||||
function getTimeAllocated(timings) {
|
||||
|
||||
var slides = Reveal.getSlides();
|
||||
var allocated = 0;
|
||||
var currentSlide = Reveal.getSlidePastCount();
|
||||
for (var i in slides.slice(0, currentSlide + 1)) {
|
||||
allocated += timings[i];
|
||||
}
|
||||
return allocated;
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Create the timer and clock and start updating them
|
||||
* at an interval.
|
||||
*/
|
||||
function setupTimer() {
|
||||
|
||||
var start = new Date(),
|
||||
timeEl = document.querySelector( '.speaker-controls-time' ),
|
||||
clockEl = timeEl.querySelector( '.clock-value' ),
|
||||
hoursEl = timeEl.querySelector( '.hours-value' ),
|
||||
minutesEl = timeEl.querySelector( '.minutes-value' ),
|
||||
secondsEl = timeEl.querySelector( '.seconds-value' ),
|
||||
pacingTitleEl = timeEl.querySelector( '.pacing-title' ),
|
||||
pacingEl = timeEl.querySelector( '.pacing' ),
|
||||
pacingHoursEl = pacingEl.querySelector( '.hours-value' ),
|
||||
pacingMinutesEl = pacingEl.querySelector( '.minutes-value' ),
|
||||
pacingSecondsEl = pacingEl.querySelector( '.seconds-value' );
|
||||
|
||||
var timings = getTimings();
|
||||
if (timings !== null) {
|
||||
pacingTitleEl.style.removeProperty('display');
|
||||
pacingEl.style.removeProperty('display');
|
||||
}
|
||||
|
||||
function _displayTime( hrEl, minEl, secEl, time) {
|
||||
|
||||
var sign = Math.sign(time) == -1 ? "-" : "";
|
||||
time = Math.abs(Math.round(time / 1000));
|
||||
var seconds = time % 60;
|
||||
var minutes = Math.floor( time / 60 ) % 60 ;
|
||||
var hours = Math.floor( time / ( 60 * 60 )) ;
|
||||
hrEl.innerHTML = sign + zeroPadInteger( hours );
|
||||
if (hours == 0) {
|
||||
hrEl.classList.add( 'mute' );
|
||||
}
|
||||
else {
|
||||
hrEl.classList.remove( 'mute' );
|
||||
}
|
||||
minEl.innerHTML = ':' + zeroPadInteger( minutes );
|
||||
if (hours == 0 && minutes == 0) {
|
||||
minEl.classList.add( 'mute' );
|
||||
}
|
||||
else {
|
||||
minEl.classList.remove( 'mute' );
|
||||
}
|
||||
secEl.innerHTML = ':' + zeroPadInteger( seconds );
|
||||
}
|
||||
|
||||
function _updateTimer() {
|
||||
|
||||
var diff, hours, minutes, seconds,
|
||||
now = new Date();
|
||||
|
||||
diff = now.getTime() - start.getTime();
|
||||
|
||||
clockEl.innerHTML = now.toLocaleTimeString( 'en-US', { hour12: true, hour: '2-digit', minute:'2-digit' } );
|
||||
_displayTime( hoursEl, minutesEl, secondsEl, diff );
|
||||
if (timings !== null) {
|
||||
_updatePacing(diff);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
function _updatePacing(diff) {
|
||||
|
||||
var slideEndTiming = getTimeAllocated(timings) * 1000;
|
||||
var currentSlide = Reveal.getSlidePastCount();
|
||||
var currentSlideTiming = timings[currentSlide] * 1000;
|
||||
var timeLeftCurrentSlide = slideEndTiming - diff;
|
||||
if (timeLeftCurrentSlide < 0) {
|
||||
pacingEl.className = 'pacing behind';
|
||||
}
|
||||
else if (timeLeftCurrentSlide < currentSlideTiming) {
|
||||
pacingEl.className = 'pacing on-track';
|
||||
}
|
||||
else {
|
||||
pacingEl.className = 'pacing ahead';
|
||||
}
|
||||
_displayTime( pacingHoursEl, pacingMinutesEl, pacingSecondsEl, timeLeftCurrentSlide );
|
||||
|
||||
}
|
||||
|
||||
// Update once directly
|
||||
_updateTimer();
|
||||
|
||||
// Then update every second
|
||||
setInterval( _updateTimer, 1000 );
|
||||
|
||||
function _resetTimer() {
|
||||
|
||||
if (timings == null) {
|
||||
start = new Date();
|
||||
}
|
||||
else {
|
||||
// Reset timer to beginning of current slide
|
||||
var slideEndTiming = getTimeAllocated(timings) * 1000;
|
||||
var currentSlide = Reveal.getSlidePastCount();
|
||||
var currentSlideTiming = timings[currentSlide] * 1000;
|
||||
var previousSlidesTiming = slideEndTiming - currentSlideTiming;
|
||||
var now = new Date();
|
||||
start = new Date(now.getTime() - previousSlidesTiming);
|
||||
}
|
||||
_updateTimer();
|
||||
|
||||
}
|
||||
|
||||
timeEl.addEventListener( 'click', function() {
|
||||
_resetTimer();
|
||||
return false;
|
||||
} );
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Sets up the speaker view layout and layout selector.
|
||||
*/
|
||||
function setupLayout() {
|
||||
|
||||
layoutDropdown = document.querySelector( '.speaker-layout-dropdown' );
|
||||
layoutLabel = document.querySelector( '.speaker-layout-label' );
|
||||
|
||||
// Render the list of available layouts
|
||||
for( var id in SPEAKER_LAYOUTS ) {
|
||||
var option = document.createElement( 'option' );
|
||||
option.setAttribute( 'value', id );
|
||||
option.textContent = SPEAKER_LAYOUTS[ id ];
|
||||
layoutDropdown.appendChild( option );
|
||||
}
|
||||
|
||||
// Monitor the dropdown for changes
|
||||
layoutDropdown.addEventListener( 'change', function( event ) {
|
||||
|
||||
setLayout( layoutDropdown.value );
|
||||
|
||||
}, false );
|
||||
|
||||
// Restore any currently persisted layout
|
||||
setLayout( getLayout() );
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Sets a new speaker view layout. The layout is persisted
|
||||
* in local storage.
|
||||
*/
|
||||
function setLayout( value ) {
|
||||
|
||||
var title = SPEAKER_LAYOUTS[ value ];
|
||||
|
||||
layoutLabel.innerHTML = 'Layout' + ( title ? ( ': ' + title ) : '' );
|
||||
layoutDropdown.value = value;
|
||||
|
||||
document.body.setAttribute( 'data-speaker-layout', value );
|
||||
|
||||
// Persist locally
|
||||
if( supportsLocalStorage() ) {
|
||||
window.localStorage.setItem( 'reveal-speaker-layout', value );
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the ID of the most recently set speaker layout
|
||||
* or our default layout if none has been set.
|
||||
*/
|
||||
function getLayout() {
|
||||
|
||||
if( supportsLocalStorage() ) {
|
||||
var layout = window.localStorage.getItem( 'reveal-speaker-layout' );
|
||||
if( layout ) {
|
||||
return layout;
|
||||
}
|
||||
}
|
||||
|
||||
// Default to the first record in the layouts hash
|
||||
for( var id in SPEAKER_LAYOUTS ) {
|
||||
return id;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
function supportsLocalStorage() {
|
||||
|
||||
try {
|
||||
localStorage.setItem('test', 'test');
|
||||
localStorage.removeItem('test');
|
||||
return true;
|
||||
}
|
||||
catch( e ) {
|
||||
return false;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
function zeroPadInteger( num ) {
|
||||
|
||||
var str = '00' + parseInt( num );
|
||||
return str.substring( str.length - 2 );
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Limits the frequency at which a function can be called.
|
||||
*/
|
||||
function debounce( fn, ms ) {
|
||||
|
||||
var lastTime = 0,
|
||||
timeout;
|
||||
|
||||
return function() {
|
||||
|
||||
var args = arguments;
|
||||
var context = this;
|
||||
|
||||
clearTimeout( timeout );
|
||||
|
||||
var timeSinceLastCall = Date.now() - lastTime;
|
||||
if( timeSinceLastCall > ms ) {
|
||||
fn.apply( context, args );
|
||||
lastTime = Date.now();
|
||||
}
|
||||
else {
|
||||
timeout = setTimeout( function() {
|
||||
fn.apply( context, args );
|
||||
lastTime = Date.now();
|
||||
}, ms - timeSinceLastCall );
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
})();
|
||||
|
||||
</script>
|
||||
</body>
|
||||
</html>
|
||||
147
plugin/notes.js
Normal file
147
plugin/notes.js
Normal file
|
|
@ -0,0 +1,147 @@
|
|||
/**
|
||||
* Handles opening of and synchronization with the reveal.js
|
||||
* notes window.
|
||||
*
|
||||
* Handshake process:
|
||||
* 1. This window posts 'connect' to notes window
|
||||
* - Includes URL of presentation to show
|
||||
* 2. Notes window responds with 'connected' when it is available
|
||||
* 3. This window proceeds to send the current presentation state
|
||||
* to the notes window
|
||||
*/
|
||||
var RevealNotes = (function() {
|
||||
|
||||
function openNotes( notesFilePath ) {
|
||||
|
||||
if( !notesFilePath ) {
|
||||
var jsFileLocation = document.querySelector('script[src$="notes.js"]').src; // this js file path
|
||||
jsFileLocation = jsFileLocation.replace(/notes\.js(\?.*)?$/, ''); // the js folder path
|
||||
notesFilePath = jsFileLocation + 'notes.html';
|
||||
}
|
||||
|
||||
var notesPopup = window.open( notesFilePath, 'reveal.js - Notes', 'width=1100,height=700' );
|
||||
|
||||
if( !notesPopup ) {
|
||||
alert( 'Speaker view popup failed to open. Please make sure popups are allowed and reopen the speaker view.' );
|
||||
return;
|
||||
}
|
||||
|
||||
// Allow popup window access to Reveal API
|
||||
notesPopup.Reveal = window.Reveal;
|
||||
|
||||
/**
|
||||
* Connect to the notes window through a postmessage handshake.
|
||||
* Using postmessage enables us to work in situations where the
|
||||
* origins differ, such as a presentation being opened from the
|
||||
* file system.
|
||||
*/
|
||||
function connect() {
|
||||
// Keep trying to connect until we get a 'connected' message back
|
||||
var connectInterval = setInterval( function() {
|
||||
notesPopup.postMessage( JSON.stringify( {
|
||||
namespace: 'reveal-notes',
|
||||
type: 'connect',
|
||||
url: window.location.protocol + '//' + window.location.host + window.location.pathname + window.location.search,
|
||||
state: Reveal.getState()
|
||||
} ), '*' );
|
||||
}, 500 );
|
||||
|
||||
window.addEventListener( 'message', function( event ) {
|
||||
var data = JSON.parse( event.data );
|
||||
if( data && data.namespace === 'reveal-notes' && data.type === 'connected' ) {
|
||||
clearInterval( connectInterval );
|
||||
onConnected();
|
||||
}
|
||||
} );
|
||||
}
|
||||
|
||||
/**
|
||||
* Posts the current slide data to the notes window
|
||||
*/
|
||||
function post( event ) {
|
||||
|
||||
var slideElement = Reveal.getCurrentSlide(),
|
||||
notesElement = slideElement.querySelector( 'aside.notes' ),
|
||||
fragmentElement = slideElement.querySelector( '.current-fragment' );
|
||||
|
||||
var messageData = {
|
||||
namespace: 'reveal-notes',
|
||||
type: 'state',
|
||||
notes: '',
|
||||
markdown: false,
|
||||
whitespace: 'normal',
|
||||
state: Reveal.getState()
|
||||
};
|
||||
|
||||
// Look for notes defined in a slide attribute
|
||||
if( slideElement.hasAttribute( 'data-notes' ) ) {
|
||||
messageData.notes = slideElement.getAttribute( 'data-notes' );
|
||||
messageData.whitespace = 'pre-wrap';
|
||||
}
|
||||
|
||||
// Look for notes defined in a fragment
|
||||
if( fragmentElement ) {
|
||||
var fragmentNotes = fragmentElement.querySelector( 'aside.notes' );
|
||||
if( fragmentNotes ) {
|
||||
notesElement = fragmentNotes;
|
||||
}
|
||||
else if( fragmentElement.hasAttribute( 'data-notes' ) ) {
|
||||
messageData.notes = fragmentElement.getAttribute( 'data-notes' );
|
||||
messageData.whitespace = 'pre-wrap';
|
||||
|
||||
// In case there are slide notes
|
||||
notesElement = null;
|
||||
}
|
||||
}
|
||||
|
||||
// Look for notes defined in an aside element
|
||||
if( notesElement ) {
|
||||
messageData.notes = notesElement.innerHTML;
|
||||
messageData.markdown = typeof notesElement.getAttribute( 'data-markdown' ) === 'string';
|
||||
}
|
||||
|
||||
notesPopup.postMessage( JSON.stringify( messageData ), '*' );
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Called once we have established a connection to the notes
|
||||
* window.
|
||||
*/
|
||||
function onConnected() {
|
||||
|
||||
// Monitor events that trigger a change in state
|
||||
Reveal.addEventListener( 'slidechanged', post );
|
||||
Reveal.addEventListener( 'fragmentshown', post );
|
||||
Reveal.addEventListener( 'fragmenthidden', post );
|
||||
Reveal.addEventListener( 'overviewhidden', post );
|
||||
Reveal.addEventListener( 'overviewshown', post );
|
||||
Reveal.addEventListener( 'paused', post );
|
||||
Reveal.addEventListener( 'resumed', post );
|
||||
|
||||
// Post the initial state
|
||||
post();
|
||||
|
||||
}
|
||||
|
||||
connect();
|
||||
|
||||
}
|
||||
|
||||
if( !/receiver/i.test( window.location.search ) ) {
|
||||
|
||||
// If the there's a 'notes' query set, open directly
|
||||
if( window.location.search.match( /(\?|\&)notes/gi ) !== null ) {
|
||||
openNotes();
|
||||
}
|
||||
|
||||
// Open the notes when the 's' key is hit
|
||||
Reveal.addKeyBinding({keyCode: 83, key: 'S', description: 'Speaker notes view'}, function() {
|
||||
openNotes();
|
||||
} );
|
||||
|
||||
}
|
||||
|
||||
return { open: openNotes };
|
||||
|
||||
})();
|
||||
67
plugin/print-pdf.js
Normal file
67
plugin/print-pdf.js
Normal file
|
|
@ -0,0 +1,67 @@
|
|||
/**
|
||||
* phantomjs script for printing presentations to PDF.
|
||||
*
|
||||
* Example:
|
||||
* phantomjs print-pdf.js "http://revealjs.com?print-pdf" reveal-demo.pdf
|
||||
*
|
||||
* @author Manuel Bieh (https://github.com/manuelbieh)
|
||||
* @author Hakim El Hattab (https://github.com/hakimel)
|
||||
* @author Manuel Riezebosch (https://github.com/riezebosch)
|
||||
*/
|
||||
|
||||
// html2pdf.js
|
||||
var system = require( 'system' );
|
||||
|
||||
var probePage = new WebPage();
|
||||
var printPage = new WebPage();
|
||||
|
||||
var inputFile = system.args[1] || 'index.html?print-pdf';
|
||||
var outputFile = system.args[2] || 'slides.pdf';
|
||||
|
||||
if( outputFile.match( /\.pdf$/gi ) === null ) {
|
||||
outputFile += '.pdf';
|
||||
}
|
||||
|
||||
console.log( 'Export PDF: Reading reveal.js config [1/4]' );
|
||||
|
||||
probePage.open( inputFile, function( status ) {
|
||||
|
||||
console.log( 'Export PDF: Preparing print layout [2/4]' );
|
||||
|
||||
var config = probePage.evaluate( function() {
|
||||
return Reveal.getConfig();
|
||||
} );
|
||||
|
||||
if( config ) {
|
||||
|
||||
printPage.paperSize = {
|
||||
width: Math.floor( config.width * ( 1 + config.margin ) ),
|
||||
height: Math.floor( config.height * ( 1 + config.margin ) ),
|
||||
border: 0
|
||||
};
|
||||
|
||||
printPage.open( inputFile, function( status ) {
|
||||
console.log( 'Export PDF: Preparing pdf [3/4]')
|
||||
printPage.evaluate( function() {
|
||||
Reveal.isReady() ? window.callPhantom() : Reveal.addEventListener( 'pdf-ready', window.callPhantom );
|
||||
} );
|
||||
} );
|
||||
|
||||
printPage.onCallback = function( data ) {
|
||||
// For some reason we need to "jump the queue" for syntax highlighting to work.
|
||||
// See: http://stackoverflow.com/a/3580132/129269
|
||||
setTimeout( function() {
|
||||
console.log( 'Export PDF: Writing file [4/4]' );
|
||||
printPage.render( outputFile );
|
||||
console.log( 'Export PDF: Finished successfully!' );
|
||||
phantom.exit();
|
||||
}, 0 );
|
||||
};
|
||||
}
|
||||
else {
|
||||
|
||||
console.log( 'Export PDF: Unable to read reveal.js config. Make sure the input address points to a reveal.js page.' );
|
||||
phantom.exit( 1 );
|
||||
|
||||
}
|
||||
} );
|
||||
Loading…
Reference in a new issue