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(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);
var 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);
// Fires when a fragment is shown
Reveal.addEventListener( 'fragmentshown', function( event ) {
var fragmentData = {
fragment : 'next',
socketId : socketId
};
socket.emit('fragmentchanged', fragmentData);
} );
// Fires when a fragment is hidden
Reveal.addEventListener( 'fragmenthidden', function( event ) {
var fragmentData = {
fragment : 'previous',
socketId : socketId
};
socket.emit('fragmentchanged', fragmentData);
} );
// Fires when slide is changed
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 = {
notes : notes ? notes.innerHTML : '',
indexh : event.indexh,
indexv : event.indexv,
nextindexh : nextindexh,
nextindexv : nextindexv,
socketId : socketId,
markdown : notes ? typeof notes.getAttribute('data-markdown') === 'string' : false
};
socket.emit('slidechanged', slideData);
} );
}());
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