lca2020-pay-it-forward/plugin/speakernotes/client.js

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JavaScript
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(function() {
// don't emit events from inside the previews themselves
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if ( window.location.search.match( /receiver/gi ) ) { return; }
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var socket = io.connect('127.0.0.1:1947');
var socketId = Math.random().toString().slice(2);
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console.log('View slide notes at ' + window.location.origin + '/notes/' + socketId);
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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
};
socket.emit('slidechanged', slideData);
} );
}());