notes.html 8.5 KB

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  1. <!doctype html>
  2. <html lang="en">
  3. <head>
  4. <meta charset="utf-8">
  5. <title>reveal.js - Slide Notes</title>
  6. <style>
  7. body {
  8. font-family: Helvetica;
  9. }
  10. #current-slide,
  11. #upcoming-slide,
  12. #speaker-controls {
  13. padding: 6px;
  14. box-sizing: border-box;
  15. -moz-box-sizing: border-box;
  16. }
  17. #current-slide iframe,
  18. #upcoming-slide iframe {
  19. width: 100%;
  20. height: 100%;
  21. border: 1px solid #ddd;
  22. }
  23. #current-slide .label,
  24. #upcoming-slide .label {
  25. position: absolute;
  26. top: 10px;
  27. left: 10px;
  28. font-weight: bold;
  29. font-size: 14px;
  30. z-index: 2;
  31. color: rgba( 255, 255, 255, 0.9 );
  32. }
  33. #current-slide {
  34. position: absolute;
  35. width: 65%;
  36. height: 100%;
  37. top: 0;
  38. left: 0;
  39. padding-right: 0;
  40. }
  41. #upcoming-slide {
  42. position: absolute;
  43. width: 35%;
  44. height: 40%;
  45. right: 0;
  46. top: 0;
  47. }
  48. #speaker-controls {
  49. position: absolute;
  50. top: 40%;
  51. right: 0;
  52. width: 35%;
  53. height: 60%;
  54. font-size: 18px;
  55. }
  56. .speaker-controls-time.hidden,
  57. .speaker-controls-notes.hidden {
  58. display: none;
  59. }
  60. .speaker-controls-time .label,
  61. .speaker-controls-notes .label {
  62. text-transform: uppercase;
  63. font-weight: normal;
  64. font-size: 0.66em;
  65. color: #666;
  66. margin: 0;
  67. }
  68. .speaker-controls-time {
  69. border-bottom: 1px solid rgba( 200, 200, 200, 0.5 );
  70. margin-bottom: 10px;
  71. padding: 10px 16px;
  72. padding-bottom: 20px;
  73. cursor: pointer;
  74. }
  75. .speaker-controls-time .reset-button {
  76. opacity: 0;
  77. float: right;
  78. color: #666;
  79. text-decoration: none;
  80. }
  81. .speaker-controls-time:hover .reset-button {
  82. opacity: 1;
  83. }
  84. .speaker-controls-time .timer,
  85. .speaker-controls-time .clock {
  86. width: 50%;
  87. font-size: 1.9em;
  88. }
  89. .speaker-controls-time .timer {
  90. float: left;
  91. }
  92. .speaker-controls-time .clock {
  93. float: right;
  94. text-align: right;
  95. }
  96. .speaker-controls-time span.mute {
  97. color: #bbb;
  98. }
  99. .speaker-controls-notes {
  100. padding: 10px 16px;
  101. }
  102. .speaker-controls-notes .value {
  103. margin-top: 5px;
  104. line-height: 1.4;
  105. font-size: 1.2em;
  106. }
  107. .clear {
  108. clear: both;
  109. }
  110. @media screen and (max-width: 1080px) {
  111. #speaker-controls {
  112. font-size: 16px;
  113. }
  114. }
  115. @media screen and (max-width: 900px) {
  116. #speaker-controls {
  117. font-size: 14px;
  118. }
  119. }
  120. @media screen and (max-width: 800px) {
  121. #speaker-controls {
  122. font-size: 12px;
  123. }
  124. }
  125. </style>
  126. </head>
  127. <body>
  128. <div id="current-slide"></div>
  129. <div id="upcoming-slide"><span class="label">UPCOMING:</span></div>
  130. <div id="speaker-controls">
  131. <div class="speaker-controls-time">
  132. <h4 class="label">Time <span class="reset-button">Click to Reset</span></h4>
  133. <div class="clock">
  134. <span class="clock-value">0:00 AM</span>
  135. </div>
  136. <div class="timer">
  137. <span class="hours-value">00</span><span class="minutes-value">:00</span><span class="seconds-value">:00</span>
  138. </div>
  139. <div class="clear"></div>
  140. </div>
  141. <div class="speaker-controls-notes hidden">
  142. <h4 class="label">Notes</h4>
  143. <div class="value"></div>
  144. </div>
  145. </div>
  146. <script src="/socket.io/socket.io.js"></script>
  147. <script src="/plugin/markdown/marked.js"></script>
  148. <script>
  149. (function() {
  150. var notes,
  151. notesValue,
  152. currentState,
  153. currentSlide,
  154. upcomingSlide,
  155. connected = false;
  156. var socket = io.connect( window.location.origin ),
  157. socketId = '{{socketId}}';
  158. socket.on( 'state', function( data ) {
  159. // ignore data from sockets that aren't ours
  160. if( data.socketId !== socketId ) { return; }
  161. if( connected === false ) {
  162. connected = true;
  163. setupIframes( data );
  164. setupKeyboard();
  165. setupNotes();
  166. setupTimer();
  167. }
  168. handleStateMessage( data );
  169. } );
  170. /**
  171. * Called when the main window sends an updated state.
  172. */
  173. function handleStateMessage( data ) {
  174. // Store the most recently set state to avoid circular loops
  175. // applying the same state
  176. currentState = JSON.stringify( data.state );
  177. // No need for updating the notes in case of fragment changes
  178. if ( data.notes ) {
  179. notes.classList.remove( 'hidden' );
  180. if( data.markdown ) {
  181. notesValue.innerHTML = marked( data.notes );
  182. }
  183. else {
  184. notesValue.innerHTML = data.notes;
  185. }
  186. }
  187. else {
  188. notes.classList.add( 'hidden' );
  189. }
  190. // Update the note slides
  191. currentSlide.contentWindow.postMessage( JSON.stringify({ method: 'setState', args: [ data.state ] }), '*' );
  192. upcomingSlide.contentWindow.postMessage( JSON.stringify({ method: 'setState', args: [ data.state ] }), '*' );
  193. upcomingSlide.contentWindow.postMessage( JSON.stringify({ method: 'next' }), '*' );
  194. }
  195. // Limit to max one state update per X ms
  196. handleStateMessage = debounce( handleStateMessage, 200 );
  197. /**
  198. * Forward keyboard events to the current slide window.
  199. * This enables keyboard events to work even if focus
  200. * isn't set on the current slide iframe.
  201. */
  202. function setupKeyboard() {
  203. document.addEventListener( 'keydown', function( event ) {
  204. currentSlide.contentWindow.postMessage( JSON.stringify({ method: 'triggerKey', args: [ event.keyCode ] }), '*' );
  205. } );
  206. }
  207. /**
  208. * Creates the preview iframes.
  209. */
  210. function setupIframes( data ) {
  211. var params = [
  212. 'receiver',
  213. 'progress=false',
  214. 'history=false',
  215. 'transition=none',
  216. 'backgroundTransition=none'
  217. ].join( '&' );
  218. var hash = '#/' + data.state.indexh + '/' + data.state.indexv;
  219. var currentURL = '/?' + params + hash;
  220. var upcomingURL = '/?' + params + '&controls=false' + hash;
  221. currentSlide = document.createElement( 'iframe' );
  222. currentSlide.setAttribute( 'width', 1280 );
  223. currentSlide.setAttribute( 'height', 1024 );
  224. currentSlide.setAttribute( 'src', currentURL );
  225. document.querySelector( '#current-slide' ).appendChild( currentSlide );
  226. upcomingSlide = document.createElement( 'iframe' );
  227. upcomingSlide.setAttribute( 'width', 640 );
  228. upcomingSlide.setAttribute( 'height', 512 );
  229. upcomingSlide.setAttribute( 'src', upcomingURL );
  230. document.querySelector( '#upcoming-slide' ).appendChild( upcomingSlide );
  231. }
  232. /**
  233. * Setup the notes UI.
  234. */
  235. function setupNotes() {
  236. notes = document.querySelector( '.speaker-controls-notes' );
  237. notesValue = document.querySelector( '.speaker-controls-notes .value' );
  238. }
  239. /**
  240. * Create the timer and clock and start updating them
  241. * at an interval.
  242. */
  243. function setupTimer() {
  244. var start = new Date(),
  245. timeEl = document.querySelector( '.speaker-controls-time' ),
  246. clockEl = timeEl.querySelector( '.clock-value' ),
  247. hoursEl = timeEl.querySelector( '.hours-value' ),
  248. minutesEl = timeEl.querySelector( '.minutes-value' ),
  249. secondsEl = timeEl.querySelector( '.seconds-value' );
  250. function _updateTimer() {
  251. var diff, hours, minutes, seconds,
  252. now = new Date();
  253. diff = now.getTime() - start.getTime();
  254. hours = Math.floor( diff / ( 1000 * 60 * 60 ) );
  255. minutes = Math.floor( ( diff / ( 1000 * 60 ) ) % 60 );
  256. seconds = Math.floor( ( diff / 1000 ) % 60 );
  257. clockEl.innerHTML = now.toLocaleTimeString( 'en-US', { hour12: true, hour: '2-digit', minute:'2-digit' } );
  258. hoursEl.innerHTML = zeroPadInteger( hours );
  259. hoursEl.className = hours > 0 ? '' : 'mute';
  260. minutesEl.innerHTML = ':' + zeroPadInteger( minutes );
  261. minutesEl.className = minutes > 0 ? '' : 'mute';
  262. secondsEl.innerHTML = ':' + zeroPadInteger( seconds );
  263. }
  264. // Update once directly
  265. _updateTimer();
  266. // Then update every second
  267. setInterval( _updateTimer, 1000 );
  268. timeEl.addEventListener( 'click', function() {
  269. start = new Date();
  270. _updateTimer();
  271. return false;
  272. } );
  273. }
  274. function zeroPadInteger( num ) {
  275. var str = '00' + parseInt( num );
  276. return str.substring( str.length - 2 );
  277. }
  278. /**
  279. * Limits the frequency at which a function can be called.
  280. */
  281. function debounce( fn, ms ) {
  282. var lastTime = 0,
  283. timeout;
  284. return function() {
  285. var args = arguments;
  286. var context = this;
  287. clearTimeout( timeout );
  288. var timeSinceLastCall = Date.now() - lastTime;
  289. if( timeSinceLastCall > ms ) {
  290. fn.apply( context, args );
  291. lastTime = Date.now();
  292. }
  293. else {
  294. timeout = setTimeout( function() {
  295. fn.apply( context, args );
  296. lastTime = Date.now();
  297. }, ms - timeSinceLastCall );
  298. }
  299. }
  300. }
  301. })();
  302. </script>
  303. </body>
  304. </html>