<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>reveal.js - Slide Notes</title>
<style>
body {
font-family: Helvetica;
}
#notes {
font-size: 24px;
width: 640px;
margin-top: 5px;
clear: left;
}
#wrap-current-slide {
width: 640px;
height: 512px;
float: left;
overflow: hidden;
}
#current-slide {
width: 1280px;
height: 1024px;
border: none;
-webkit-transform-origin: 0 0;
-moz-transform-origin: 0 0;
-ms-transform-origin: 0 0;
-o-transform-origin: 0 0;
transform-origin: 0 0;
-webkit-transform: scale(0.5);
-moz-transform: scale(0.5);
-ms-transform: scale(0.5);
-o-transform: scale(0.5);
transform: scale(0.5);
}
#wrap-next-slide {
width: 448px;
height: 358px;
float: left;
margin: 0 0 0 10px;
overflow: hidden;
}
#next-slide {
width: 1280px;
height: 1024px;
border: none;
-webkit-transform-origin: 0 0;
-moz-transform-origin: 0 0;
-ms-transform-origin: 0 0;
-o-transform-origin: 0 0;
transform-origin: 0 0;
-webkit-transform: scale(0.35);
-moz-transform: scale(0.35);
-ms-transform: scale(0.35);
-o-transform: scale(0.35);
transform: scale(0.35);
}
.slides {
position: relative;
margin-bottom: 10px;
border: 1px solid black;
border-radius: 2px;
background: rgb(28, 30, 32);
}
.slides span {
position: absolute;
top: 3px;
left: 3px;
font-weight: bold;
font-size: 14px;
z-index: 2;
color: rgba( 255, 255, 255, 0.9 );
}
.error {
font-weight: bold;
color: red;
font-size: 1.5em;
text-align: center;
margin-top: 10%;
}
.error code {
font-family: monospace;
}
.time {
width: 448px;
margin: 30px 0 0 10px;
float: left;
text-align: center;
opacity: 0;
-webkit-transition: opacity 0.4s;
-moz-transition: opacity 0.4s;
-o-transition: opacity 0.4s;
transition: opacity 0.4s;
}
.elapsed,
.clock {
color: #333;
font-size: 2em;
text-align: center;
display: inline-block;
padding: 0.5em;
background-color: #eee;
border-radius: 10px;
}
.elapsed h2,
.clock h2 {
font-size: 0.8em;
line-height: 100%;
margin: 0;
color: #aaa;
}
.elapsed .mute {
color: #ddd;
}
</style>
</head>
<body>
<div id="wrap-current-slide" class="slides"></div>
<div id="wrap-next-slide" class="slides"><span>UPCOMING:</span></div>
<div class="time">
<div class="clock">
<h2>Time</h2>
<span id="clock">0:00:00 AM</span>
</div>
<div class="elapsed">
<h2>Elapsed</h2>
<span id="hours">00</span><span id="minutes">:00</span><span id="seconds">:00</span>
</div>
</div>
<div id="notes"></div>
<script src="../../plugin/markdown/marked.js"></script>
<script>
(function() {
var notes,
currentState,
currentSlide,
nextSlide,
connected = false;
window.addEventListener( 'message', function( event ) {
var data = JSON.parse( event.data );
// 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|overviewshown|overviewhidden|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 );
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 !== undefined) {
if( data.markdown ) {
notes.innerHTML = marked( data.notes );
}
else {
notes.innerHTML = data.notes;
}
}
// Update the note slides
currentSlide.contentWindow.postMessage( JSON.stringify({ method: 'setState', args: [ data.state ] }), '*' );
nextSlide.contentWindow.postMessage( JSON.stringify({ method: 'setState', args: [ data.state ] }), '*' );
nextSlide.contentWindow.postMessage( JSON.stringify({ method: 'next' }), '*' );
}
/**
* Creates the preview iframes.
*/
function setupIframes( data ) {
notes = document.getElementById( 'notes' );
var url = data.url + '?receiver&progress=false&overview=false&history=false';
var hash = '#/' + data.state.indexh + '/' + data.state.indexv;
currentSlide = document.createElement( 'iframe' );
currentSlide.setAttribute( 'id', 'current-slide' );
currentSlide.setAttribute( 'width', 1280 );
currentSlide.setAttribute( 'height', 1024 );
currentSlide.setAttribute( 'src', url + '&postMessageEvents=true' + hash );
document.querySelector( '#wrap-current-slide' ).appendChild( currentSlide );
nextSlide = document.createElement( 'iframe' );
nextSlide.setAttribute( 'id', 'next-slide' );
nextSlide.setAttribute( 'width', 640 );
nextSlide.setAttribute( 'height', 512 );
nextSlide.setAttribute( 'src', url + '&controls=false' + hash );
document.querySelector( '#wrap-next-slide' ).appendChild( nextSlide );
}
/**
* Create the timer and clock and start updating them
* at an interval.
*/
function setupTimer() {
var start = new Date(),
timeEl = document.querySelector( '.time' ),
clockEl = document.getElementById( 'clock' ),
hoursEl = document.getElementById( 'hours' ),
minutesEl = document.getElementById( 'minutes' ),
secondsEl = document.getElementById( 'seconds' );
setInterval( function() {
timeEl.style.opacity = 1;
var diff, hours, minutes, seconds,
now = new Date();
diff = now.getTime() - start.getTime();
hours = Math.floor( diff / ( 1000 * 60 * 60 ) );
minutes = Math.floor( ( diff / ( 1000 * 60 ) ) % 60 );
seconds = Math.floor( ( diff / 1000 ) % 60 );
clockEl.innerHTML = now.toLocaleTimeString();
hoursEl.innerHTML = zeroPadInteger( hours );
hoursEl.className = hours > 0 ? '' : 'mute';
minutesEl.innerHTML = ':' + zeroPadInteger( minutes );
minutesEl.className = minutes > 0 ? '' : 'mute';
secondsEl.innerHTML = ':' + zeroPadInteger( seconds );
}, 1000 );
}
function zeroPadInteger( num ) {
var str = '00' + parseInt( num );
return str.substring( str.length - 2 );
}
})();
</script>
</body>
</html>