copied from git.debian.org/git/reproducible/presentations.git / 2016-11-13-MiniDebConfCambridge there, Copyright & thanks to Chris Lamb

Signed-off-by: Holger Levsen <holger@layer-acht.org>

1 files changed, 65 insertions, 0 deletions

diff --git a/presentations/2016-11-30-Profitbricks/plugin/notes-server/client.js b/presentations/2016-11-30-Profitbricks/plugin/notes-server/client.js
new file mode 100644
index 00000000..00b277ba
--- /dev/null
+++ b/presentations/2016-11-30-Profitbricks/plugin/notes-server/client.js
@@ -0,0 +1,65 @@
+(function() {
+
+	// don't emit events from inside the previews themselves
+	if( window.location.search.match( /receiver/gi ) ) { return; }
+
+	var socket = io.connect( window.location.origin ),
+		socketId = Math.random().toString().slice( 2 );
+
+	console.log( 'View slide notes at ' + window.location.origin + '/notes/' + socketId );
+
+	window.open( window.location.origin + '/notes/' + socketId, 'notes-' + socketId );
+
+	/**
+	 * Posts the current slide data to the notes window
+	 */
+	function post() {
+
+		var slideElement = Reveal.getCurrentSlide(),
+			notesElement = slideElement.querySelector( 'aside.notes' );
+
+		var messageData = {
+			notes: '',
+			markdown: false,
+			socketId: socketId,
+			state: Reveal.getState()
+		};
+
+		// Look for notes defined in a slide attribute
+		if( slideElement.hasAttribute( 'data-notes' ) ) {
+			messageData.notes = slideElement.getAttribute( 'data-notes' );
+		}
+
+		// Look for notes defined in an aside element
+		if( notesElement ) {
+			messageData.notes = notesElement.innerHTML;
+			messageData.markdown = typeof notesElement.getAttribute( 'data-markdown' ) === 'string';
+		}
+
+		socket.emit( 'statechanged', messageData );
+
+	}
+
+	// When a new notes window connects, post our current state
+	socket.on( 'new-subscriber', function( data ) {
+		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 );
+	Reveal.addEventListener( 'fragmenthidden', post );
+	Reveal.addEventListener( 'overviewhidden', post );
+	Reveal.addEventListener( 'overviewshown', post );
+	Reveal.addEventListener( 'paused', post );
+	Reveal.addEventListener( 'resumed', post );
+
+	// Post the initial state
+	post();
+
+}());