Newer
Older
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
Hakim El Hattab
a validé
<title>reveal.js - Slide Notes</title>
#current-slide,
#upcoming-slide,
#speaker-controls {
padding: 6px;
box-sizing: border-box;
-moz-box-sizing: border-box;
#current-slide iframe,
#upcoming-slide iframe {
width: 100%;
height: 100%;
border: 1px solid #ddd;
#current-slide .label,
#upcoming-slide .label {
top: 10px;
left: 10px;
color: rgba( 255, 255, 255, 0.9 );
}
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
#current-slide {
position: absolute;
width: 65%;
height: 100%;
top: 0;
left: 0;
padding-right: 0;
}
#upcoming-slide {
position: absolute;
width: 35%;
height: 40%;
right: 0;
top: 0;
}
#speaker-controls {
position: absolute;
top: 40%;
right: 0;
width: 35%;
height: 60%;
font-size: 18px;
}
.speaker-controls-time.hidden,
.speaker-controls-notes.hidden {
display: none;
}
.speaker-controls-time .label,
.speaker-controls-notes .label {
text-transform: uppercase;
font-weight: normal;
font-size: 0.66em;
color: #666;
margin: 0;
}
.speaker-controls-time {
border-bottom: 1px solid rgba( 200, 200, 200, 0.5 );
margin-bottom: 10px;
padding: 10px 16px;
padding-bottom: 20px;
cursor: pointer;
}
.speaker-controls-time .reset-button {
opacity: 0;
float: right;
color: #666;
text-decoration: none;
}
.speaker-controls-time:hover .reset-button {
opacity: 1;
}
.speaker-controls-time .timer,
.speaker-controls-time .clock {
width: 50%;
font-size: 1.9em;
}
.speaker-controls-time .timer {
float: left;
}
.speaker-controls-time .clock {
float: right;
text-align: right;
}
.speaker-controls-time span.mute {
color: #bbb;
}
.speaker-controls-notes {
padding: 10px 16px;
}
.speaker-controls-notes .value {
margin-top: 5px;
line-height: 1.4;
font-size: 1.2em;
}
.clear {
clear: both;
}
@media screen and (max-width: 1080px) {
#speaker-controls {
font-size: 16px;
}
}
@media screen and (max-width: 900px) {
#speaker-controls {
font-size: 14px;
}
}
@media screen and (max-width: 800px) {
#speaker-controls {
font-size: 12px;
}
}
<div id="current-slide"></div>
<div id="upcoming-slide"><span class="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>
</div>
<div class="speaker-controls-notes hidden">
<h4 class="label">Notes</h4>
<div class="value"></div>
</div>
<script src="/socket.io/socket.io.js"></script>
<script src="/plugin/markdown/marked.js"></script>
(function() {
var notes,
notesValue,
currentState,
currentSlide,
upcomingSlide,
connected = false;
var socket = io.connect( window.location.origin ),
socketId = '{{socketId}}';
socket.on( 'statechanged', function( data ) {
// ignore data from sockets that aren't ours
if( data.socketId !== socketId ) { return; }
if( connected === false ) {
connected = true;
setupIframes( data );
setupKeyboard();
setupNotes();
setupTimer();
}
handleStateMessage( data );
window.addEventListener( 'message', function( event ) {
var data = JSON.parse( event.data );
if( data && data.namespace === 'reveal' ) {
if( /ready/.test( data.eventName ) ) {
socket.emit( 'connect', { socketId: socketId } );
}
}
} );
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
/**
* 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' );
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',
'backgroundTransition=none'
].join( '&' );
var hash = '#/' + data.state.indexh + '/' + data.state.indexv;
var currentURL = '/?' + params + '&postMessageEvents=true' + hash;
var upcomingURL = '/?' + 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' );
}
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
/**
* 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' );
function _updateTimer() {
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( 'en-US', { hour12: true, hour: '2-digit', minute:'2-digit' } );
hoursEl.innerHTML = zeroPadInteger( hours );
hoursEl.className = hours > 0 ? '' : 'mute';
minutesEl.innerHTML = ':' + zeroPadInteger( minutes );
minutesEl.className = minutes > 0 ? '' : 'mute';
secondsEl.innerHTML = ':' + zeroPadInteger( seconds );
}
// Update once directly
_updateTimer();
// Then update every second
setInterval( _updateTimer, 1000 );
timeEl.addEventListener( 'click', function() {
start = new Date();
_updateTimer();
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 );
}
}
}
})();