server notes sync slide changes both ways, fixes #1425

plugin/notes-server/client.js

@@ -45,6 +45,11 @@
 		post();
 	} );
 
+	// When the state changes from inside of the speaker view
+	socket.on( 'statechanged-speaker', function( data ) {
+		Reveal.setState( data.state );
+	} );
+
 	// Monitor events that trigger a change in state
 	Reveal.addEventListener( 'slidechanged', post );
 	Reveal.addEventListener( 'fragmentshown', post );

plugin/notes-server/index.js

@@ -26,6 +26,10 @@ io.on( 'connection', function( socket ) {
 		socket.broadcast.emit( 'statechanged', data );
 	});
 
+	socket.on( 'statechanged-speaker', function( data ) {
+		socket.broadcast.emit( 'statechanged-speaker', data );
+	});
+
 });
 
 [ 'css', 'js', 'images', 'plugin', 'lib' ].forEach( function( dir ) {

plugin/notes-server/notes.html

@@ -221,6 +221,13 @@
 					}
 				}
 
+				// Messages sent by reveal.js inside of the current slide preview
+				if( data && data.namespace === 'reveal' ) {
+					if( /slidechanged|fragmentshown|fragmenthidden|overviewshown|overviewhidden|paused|resumed/.test( data.eventName ) && currentState !== JSON.stringify( data.state ) ) {
+						socket.emit( 'statechanged-speaker', { state: data.state } );
+					}
+				}
+
 			} );
 
 			/**