3 files changed, 120 insertions, 0 deletions
diff --git a/public/plugin/multiplex/client.js b/public/plugin/multiplex/client.js
new file mode 100644
index 00000000..e6179f6d
--- /dev/null
+++ b/public/plugin/multiplex/client.js
@@ -0,0 +1,13 @@
+(function() {
+	var multiplex = Reveal.getConfig().multiplex;
+	var socketId = multiplex.id;
+	var socket = io.connect(multiplex.url);
+
+	socket.on(multiplex.id, function(data) {
+		// ignore data from sockets that aren't ours
+		if (data.socketId !== socketId) { return; }
+		if( window.location.host === 'localhost:1947' ) return;
+
+		Reveal.slide(data.indexh, data.indexv, data.indexf, 'remote');
+	});
+}());
diff --git a/public/plugin/multiplex/index.js b/public/plugin/multiplex/index.js
new file mode 100644
index 00000000..6f5d8b11
--- /dev/null
+++ b/public/plugin/multiplex/index.js
@@ -0,0 +1,56 @@
+var express		= require('express');
+var fs			= require('fs');
+var io			= require('socket.io');
+var crypto		= require('crypto');
+
+var app			= express.createServer();
+var staticDir	= express.static;
+
+io				= io.listen(app);
+
+var opts = {
+	port: 1948,
+	baseDir : __dirname + '/../../'
+};
+
+io.sockets.on('connection', function(socket) {
+	socket.on('slidechanged', function(slideData) {
+		if (typeof slideData.secret == 'undefined' || slideData.secret == null || slideData.secret === '') return;
+		if (createHash(slideData.secret) === slideData.socketId) {
+			slideData.secret = null;
+			socket.broadcast.emit(slideData.socketId, slideData);
+		};
+	});
+});
+
+app.configure(function() {
+	[ 'css', 'js', 'plugin', 'lib' ].forEach(function(dir) {
+		app.use('/' + dir, staticDir(opts.baseDir + dir));
+	});
+});
+
+app.get("/", function(req, res) {
+	res.writeHead(200, {'Content-Type': 'text/html'});
+	fs.createReadStream(opts.baseDir + '/index.html').pipe(res);
+});
+
+app.get("/token", function(req,res) {
+	var ts = new Date().getTime();
+	var rand = Math.floor(Math.random()*9999999);
+	var secret = ts.toString() + rand.toString();
+	res.send({secret: secret, socketId: createHash(secret)});
+});
+
+var createHash = function(secret) {
+	var cipher = crypto.createCipher('blowfish', secret);
+	return(cipher.final('hex'));
+};
+
+// Actually listen
+app.listen(opts.port || null);
+
+var brown = '\033[33m',
+	green = '\033[32m',
+	reset = '\033[0m';
+
+console.log( brown + "reveal.js:" + reset + " Multiplex running on port " + green + opts.port + reset );
+\ No newline at end of file
diff --git a/public/plugin/multiplex/master.js b/public/plugin/multiplex/master.js
new file mode 100644
index 00000000..b6a7eb7d
--- /dev/null
+++ b/public/plugin/multiplex/master.js
@@ -0,0 +1,51 @@
+(function() {
+	// Don't emit events from inside of notes windows
+	if ( window.location.search.match( /receiver/gi ) ) { return; }
+
+	var multiplex = Reveal.getConfig().multiplex;
+
+	var socket = io.connect(multiplex.url);
+
+	var notify = function( slideElement, indexh, indexv, origin ) {
+		if( typeof origin === 'undefined' && origin !== 'remote' ) {
+			var nextindexh;
+			var nextindexv;
+
+			var fragmentindex = Reveal.getIndices().f;
+			if (typeof fragmentindex == 'undefined') {
+				fragmentindex = 0;
+			}
+
+			if (slideElement.nextElementSibling && slideElement.parentNode.nodeName == 'SECTION') {
+				nextindexh = indexh;
+				nextindexv = indexv + 1;
+			} else {
+				nextindexh = indexh + 1;
+				nextindexv = 0;
+			}
+
+			var slideData = {
+				indexh : indexh,
+				indexv : indexv,
+				indexf : fragmentindex,
+				nextindexh : nextindexh,
+				nextindexv : nextindexv,
+				secret: multiplex.secret,
+				socketId : multiplex.id
+			};
+
+			socket.emit('slidechanged', slideData);
+		}
+	}
+
+	Reveal.addEventListener( 'slidechanged', function( event ) {
+		notify( event.currentSlide, event.indexh, event.indexv, event.origin );
+	} );
+
+	var fragmentNotify = function( event ) {
+		notify( Reveal.getCurrentSlide(), Reveal.getIndices().h, Reveal.getIndices().v, event.origin );
+	};
+
+	Reveal.addEventListener( 'fragmentshown', fragmentNotify );
+	Reveal.addEventListener( 'fragmenthidden', fragmentNotify );
+}());
+\ No newline at end of file