760 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			HTML
		
	
	
	
		
		
			
		
	
	
			760 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			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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											.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) {
							 | 
						|||
| 
								 | 
							
												body[data-speaker-layout="default"] #speaker-controls {
							 | 
						|||
| 
								 | 
							
													font-size: 14px;
							 | 
						|||
| 
								 | 
							
												}
							 | 
						|||
| 
								 | 
							
											}
							 | 
						|||
| 
								 | 
							
								
							 | 
						|||
| 
								 | 
							
											@media screen and (max-width: 800px) {
							 | 
						|||
| 
								 | 
							
												body[data-speaker-layout="default"] #speaker-controls {
							 | 
						|||
| 
								 | 
							
													font-size: 12px;
							 | 
						|||
| 
								 | 
							
												}
							 | 
						|||
| 
								 | 
							
											}
							 | 
						|||
| 
								 | 
							
								
							 | 
						|||
| 
								 | 
							
										</style>
							 | 
						|||
| 
								 | 
							
									</head>
							 | 
						|||
| 
								 | 
							
								
							 | 
						|||
| 
								 | 
							
									<body>
							 | 
						|||
| 
								 | 
							
								
							 | 
						|||
| 
								 | 
							
										<div id="current-slide"></div>
							 | 
						|||
| 
								 | 
							
										<div id="upcoming-slide"><span class="overlay-element label">Upcoming</span></div>
							 | 
						|||
| 
								 | 
							
										<div id="speaker-controls">
							 | 
						|||
| 
								 | 
							
											<div class="speaker-controls-time">
							 | 
						|||
| 
								 | 
							
												<h4 class="label">Time <span class="reset-button">Click to Reset</span></h4>
							 | 
						|||
| 
								 | 
							
												<div class="clock">
							 | 
						|||
| 
								 | 
							
													<span class="clock-value">0:00 AM</span>
							 | 
						|||
| 
								 | 
							
												</div>
							 | 
						|||
| 
								 | 
							
												<div class="timer">
							 | 
						|||
| 
								 | 
							
													<span class="hours-value">00</span><span class="minutes-value">:00</span><span class="seconds-value">:00</span>
							 | 
						|||
| 
								 | 
							
												</div>
							 | 
						|||
| 
								 | 
							
												<div class="clear"></div>
							 | 
						|||
| 
								 | 
							
								
							 | 
						|||
| 
								 | 
							
												<h4 class="label pacing-title" style="display: none">Pacing – Time to finish current slide</h4>
							 | 
						|||
| 
								 | 
							
												<div class="pacing" style="display: none">
							 | 
						|||
| 
								 | 
							
													<span class="hours-value">00</span><span class="minutes-value">:00</span><span class="seconds-value">:00</span>
							 | 
						|||
| 
								 | 
							
												</div>
							 | 
						|||
| 
								 | 
							
											</div>
							 | 
						|||
| 
								 | 
							
								
							 | 
						|||
| 
								 | 
							
											<div class="speaker-controls-notes hidden">
							 | 
						|||
| 
								 | 
							
												<h4 class="label">Notes</h4>
							 | 
						|||
| 
								 | 
							
												<div class="value"></div>
							 | 
						|||
| 
								 | 
							
											</div>
							 | 
						|||
| 
								 | 
							
										</div>
							 | 
						|||
| 
								 | 
							
										<div id="speaker-layout" class="overlay-element interactive">
							 | 
						|||
| 
								 | 
							
											<span class="speaker-layout-label"></span>
							 | 
						|||
| 
								 | 
							
											<select class="speaker-layout-dropdown"></select>
							 | 
						|||
| 
								 | 
							
										</div>
							 | 
						|||
| 
								 | 
							
								
							 | 
						|||
| 
								 | 
							
										<script src="../../plugin/markdown/marked.js"></script>
							 | 
						|||
| 
								 | 
							
										<script>
							 | 
						|||
| 
								 | 
							
								
							 | 
						|||
| 
								 | 
							
											(function() {
							 | 
						|||
| 
								 | 
							
								
							 | 
						|||
| 
								 | 
							
												var notes,
							 | 
						|||
| 
								 | 
							
													notesValue,
							 | 
						|||
| 
								 | 
							
													currentState,
							 | 
						|||
| 
								 | 
							
													currentSlide,
							 | 
						|||
| 
								 | 
							
													upcomingSlide,
							 | 
						|||
| 
								 | 
							
													layoutLabel,
							 | 
						|||
| 
								 | 
							
													layoutDropdown,
							 | 
						|||
| 
								 | 
							
													connected = false;
							 | 
						|||
| 
								 | 
							
								
							 | 
						|||
| 
								 | 
							
												var SPEAKER_LAYOUTS = {
							 | 
						|||
| 
								 | 
							
													'default': 'Default',
							 | 
						|||
| 
								 | 
							
													'wide': 'Wide',
							 | 
						|||
| 
								 | 
							
													'tall': 'Tall',
							 | 
						|||
| 
								 | 
							
													'notes-only': 'Notes only'
							 | 
						|||
| 
								 | 
							
												};
							 | 
						|||
| 
								 | 
							
								
							 | 
						|||
| 
								 | 
							
												setupLayout();
							 | 
						|||
| 
								 | 
							
								
							 | 
						|||
| 
								 | 
							
												window.addEventListener( 'message', function( event ) {
							 | 
						|||
| 
								 | 
							
								
							 | 
						|||
| 
								 | 
							
													var data = JSON.parse( event.data );
							 | 
						|||
| 
								 | 
							
								
							 | 
						|||
| 
								 | 
							
													// The overview mode is only useful to the reveal.js instance
							 | 
						|||
| 
								 | 
							
													// where navigation occurs so we don't sync it
							 | 
						|||
| 
								 | 
							
													if( data.state ) delete data.state.overview;
							 | 
						|||
| 
								 | 
							
								
							 | 
						|||
| 
								 | 
							
													// Messages sent by the notes plugin inside of the main window
							 | 
						|||
| 
								 | 
							
													if( data && data.namespace === 'reveal-notes' ) {
							 | 
						|||
| 
								 | 
							
														if( data.type === 'connect' ) {
							 | 
						|||
| 
								 | 
							
															handleConnectMessage( data );
							 | 
						|||
| 
								 | 
							
														}
							 | 
						|||
| 
								 | 
							
														else if( data.type === 'state' ) {
							 | 
						|||
| 
								 | 
							
															handleStateMessage( data );
							 | 
						|||
| 
								 | 
							
														}
							 | 
						|||
| 
								 | 
							
													}
							 | 
						|||
| 
								 | 
							
													// Messages sent by the reveal.js inside of the current slide preview
							 | 
						|||
| 
								 | 
							
													else if( data && data.namespace === 'reveal' ) {
							 | 
						|||
| 
								 | 
							
														if( /ready/.test( data.eventName ) ) {
							 | 
						|||
| 
								 | 
							
															// Send a message back to notify that the handshake is complete
							 | 
						|||
| 
								 | 
							
															window.opener.postMessage( JSON.stringify({ namespace: 'reveal-notes', type: 'connected'} ), '*' );
							 | 
						|||
| 
								 | 
							
														}
							 | 
						|||
| 
								 | 
							
														else if( /slidechanged|fragmentshown|fragmenthidden|paused|resumed/.test( data.eventName ) && currentState !== JSON.stringify( data.state ) ) {
							 | 
						|||
| 
								 | 
							
								
							 | 
						|||
| 
								 | 
							
															window.opener.postMessage( JSON.stringify({ method: 'setState', args: [ data.state ]} ), '*' );
							 | 
						|||
| 
								 | 
							
								
							 | 
						|||
| 
								 | 
							
														}
							 | 
						|||
| 
								 | 
							
													}
							 | 
						|||
| 
								 | 
							
								
							 | 
						|||
| 
								 | 
							
												} );
							 | 
						|||
| 
								 | 
							
								
							 | 
						|||
| 
								 | 
							
												/**
							 | 
						|||
| 
								 | 
							
												 * Called when the main window is trying to establish a
							 | 
						|||
| 
								 | 
							
												 * connection.
							 | 
						|||
| 
								 | 
							
												 */
							 | 
						|||
| 
								 | 
							
												function handleConnectMessage( data ) {
							 | 
						|||
| 
								 | 
							
								
							 | 
						|||
| 
								 | 
							
													if( connected === false ) {
							 | 
						|||
| 
								 | 
							
														connected = true;
							 | 
						|||
| 
								 | 
							
								
							 | 
						|||
| 
								 | 
							
														setupIframes( data );
							 | 
						|||
| 
								 | 
							
														setupKeyboard();
							 | 
						|||
| 
								 | 
							
														setupNotes();
							 | 
						|||
| 
								 | 
							
														setupTimer();
							 | 
						|||
| 
								 | 
							
													}
							 | 
						|||
| 
								 | 
							
								
							 | 
						|||
| 
								 | 
							
												}
							 | 
						|||
| 
								 | 
							
								
							 | 
						|||
| 
								 | 
							
												/**
							 | 
						|||
| 
								 | 
							
												 * 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.
							 | 
						|||
| 
								 | 
							
												 */
							 | 
						|||
| 
								 | 
							
												function setupKeyboard() {
							 | 
						|||
| 
								 | 
							
								
							 | 
						|||
| 
								 | 
							
													document.addEventListener( 'keydown', function( event ) {
							 | 
						|||
| 
								 | 
							
														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>
							 |