Added multiplexing server
This commit is contained in:
David Banham
12
plugin/multiplex/client.js
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12
plugin/multiplex/client.js
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(function() {
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var socketId = multiplex.id;
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var socket = io.connect(multiplex.url);
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socket.on(multiplex.id, function(data) {
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// ignore data from sockets that aren't ours
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if (data.socketId !== socketId) { return; }
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if( window.location.host === 'localhost:1947' ) return;
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Reveal.navigateTo(data.indexh, data.indexv, false);
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});
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}());
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62
plugin/multiplex/index.js
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62
plugin/multiplex/index.js
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var express = require('express');
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var fs = require('fs');
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var io = require('socket.io');
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var _ = require('underscore');
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var Mustache = require('mustache');
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var crypto = require('crypto');
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var app = express.createServer();
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var staticDir = express.static;
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io = io.listen(app);
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var opts = {
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port : 1948,
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baseDir : __dirname + '/../../'
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};
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io.sockets.on('connection', function(socket) {
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socket.on('slidechanged', function(slideData) {
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console.log(slideData);
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if (createHash(slideData.secret) === slideData.socketId) {
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slideData.secret = null;
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socket.broadcast.emit(slideData.socketId, slideData);
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};
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});
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});
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app.configure(function() {
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[ 'css', 'js', 'plugin', 'lib' ].forEach(function(dir) {
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app.use('/' + dir, staticDir(opts.baseDir + dir));
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});
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});
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app.get("/", function(req, res) {
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fs.createReadStream(opts.baseDir + '/index.html').pipe(res);
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});
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app.get("/token", function(req,res) {
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var ts = new Date().getTime();
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var rand = Math.floor(Math.random()*9999999);
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var secret = ts.toString() + rand.toString();
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res.send({secret: secret, socketId: createHash(secret)});
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});
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var createHash = function(secret) {
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var cipher = crypto.createCipher('blowfish', secret);
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return(cipher.final('hex'));
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};
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// Actually listen
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app.listen(opts.port || null);
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var brown = '\033[33m',
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green = '\033[32m',
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reset = '\033[0m';
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var slidesLocation = "http://localhost" + ( opts.port ? ( ':' + opts.port ) : '' );
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console.log( brown + "reveal.js - Speaker Notes" + reset );
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console.log( "1. Open the slides at " + green + slidesLocation + reset );
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console.log( "2. Click on the link your JS console to go to the notes page" );
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console.log( "3. Advance through your slides and your notes will advance automatically" );
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32
plugin/multiplex/master.js
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32
plugin/multiplex/master.js
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(function() {
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// don't emit events from inside the previews themselves
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if ( window.location.search.match( /receiver/gi ) ) { return; }
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var socket = io.connect(multiplex.url);
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Reveal.addEventListener( 'slidechanged', function( event ) {
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var nextindexh;
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var nextindexv;
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var slideElement = event.currentSlide;
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if (slideElement.nextElementSibling && slideElement.parentNode.nodeName == 'SECTION') {
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nextindexh = event.indexh;
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nextindexv = event.indexv + 1;
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} else {
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nextindexh = event.indexh + 1;
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nextindexv = 0;
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}
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var notes = slideElement.querySelector('aside.notes');
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var slideData = {
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indexh : event.indexh,
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indexv : event.indexv,
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nextindexh : nextindexh,
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nextindexv : nextindexv,
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secret: multiplex.secret,
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socketId : multiplex.id
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};
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socket.emit('slidechanged', slideData);
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} );
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}());
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109
plugin/multiplex/notes.html
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109
plugin/multiplex/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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}
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#notes {
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font-size: 24px;
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width: 640px;
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margin-top: 5px;
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}
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#wrap-current-slide {
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width: 640px;
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height: 512px;
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float: left;
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overflow: hidden;
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}
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#current-slide {
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width: 1280px;
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height: 1024px;
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border: none;
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-moz-transform: scale(0.5);
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-moz-transform-origin: 0 0;
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-o-transform: scale(0.5);
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-o-transform-origin: 0 0;
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-webkit-transform: scale(0.5);
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-webkit-transform-origin: 0 0;
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}
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#wrap-next-slide {
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width: 320px;
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height: 256px;
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float: left;
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margin: 0 0 0 10px;
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overflow: hidden;
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}
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#next-slide {
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width: 1280px;
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height: 1024px;
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border: none;
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-moz-transform: scale(0.25);
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-moz-transform-origin: 0 0;
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-o-transform: scale(0.25);
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-o-transform-origin: 0 0;
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-webkit-transform: scale(0.25);
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-webkit-transform-origin: 0 0;
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}
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.slides {
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position: relative;
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margin-bottom: 10px;
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border: 1px solid black;
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border-radius: 2px;
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background: rgb(28, 30, 32);
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}
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.slides span {
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position: absolute;
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top: 3px;
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left: 3px;
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font-weight: bold;
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font-size: 14px;
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color: rgba( 255, 255, 255, 0.9 );
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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="wrap-current-slide" class="slides">
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<iframe src="/?receiver" width="1280" height="1024" id="current-slide"></iframe>
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</div>
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<div id="wrap-next-slide" class="slides">
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<iframe src="/?receiver" width="640" height="512" id="next-slide"></iframe>
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<span>UPCOMING:</span>
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</div>
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<div id="notes"></div>
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<script src="/socket.io/socket.io.js"></script>
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<script>
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var socketId = '{{socketId}}';
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var socket = io.connect(window.location.origin);
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var notes = document.getElementById('notes');
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var currentSlide = document.getElementById('current-slide');
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var nextSlide = document.getElementById('next-slide');
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socket.on('slidedata', function(data) {
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// ignore data from sockets that aren't ours
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if (data.socketId !== socketId) { return; }
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notes.innerHTML = data.notes;
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currentSlide.contentWindow.Reveal.navigateTo(data.indexh, data.indexv);
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nextSlide.contentWindow.Reveal.navigateTo(data.nextindexh, data.nextindexv);
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});
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</script>
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</body>
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</html>
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@ -2,7 +2,7 @@
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// don't emit events from inside the previews themselves
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if ( window.location.search.match( /receiver/gi ) ) { return; }
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var socket = io.connect(window.location.origin);
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var socket = io.connect('127.0.0.1:1947');
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var socketId = Math.random().toString().slice(2);
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console.log('View slide notes at ' + window.location.origin + '/notes/' + socketId);
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