Added multiplexing server

plugin/multiplex/master.js

@@ -0,0 +1,32 @@
+(function() {
+	// don't emit events from inside the previews themselves
+	if ( window.location.search.match( /receiver/gi ) ) { return; }
+
+	var socket = io.connect(multiplex.url);
+	
+	Reveal.addEventListener( 'slidechanged', function( event ) {
+		var nextindexh;
+		var nextindexv;
+		var slideElement = event.currentSlide;
+
+		if (slideElement.nextElementSibling && slideElement.parentNode.nodeName == 'SECTION') {
+			nextindexh = event.indexh;
+			nextindexv = event.indexv + 1;
+		} else {
+			nextindexh = event.indexh + 1;
+			nextindexv = 0;
+		}
+
+		var notes = slideElement.querySelector('aside.notes');
+		var slideData = {
+			indexh : event.indexh,
+			indexv : event.indexv,
+			nextindexh : nextindexh,
+			nextindexv : nextindexv,
+			secret: multiplex.secret,
+			socketId : multiplex.id
+		};
+
+		socket.emit('slidechanged', slideData);
+	} );
+}());