58 lines
1.6 KiB
JavaScript
58 lines
1.6 KiB
JavaScript
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(function() {
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// 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(window.location.origin);
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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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window.open(window.location.origin + '/notes/' + socketId, 'notes-' + socketId);
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// Fires when a fragment is shown
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Reveal.addEventListener( 'fragmentshown', function( event ) {
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var fragmentData = {
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fragment : 'next',
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socketId : socketId
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};
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socket.emit('fragmentchanged', fragmentData);
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} );
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// Fires when a fragment is hidden
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Reveal.addEventListener( 'fragmenthidden', function( event ) {
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var fragmentData = {
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fragment : 'previous',
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socketId : socketId
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};
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socket.emit('fragmentchanged', fragmentData);
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} );
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// Fires when slide is changed
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Reveal.addEventListener( 'slidechanged', function( event ) {
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var nextindexh;
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var nextindexv;
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var slideElement = event.currentSlide;
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if (slideElement.nextElementSibling && slideElement.parentNode.nodeName == 'SECTION') {
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nextindexh = event.indexh;
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nextindexv = event.indexv + 1;
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} else {
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nextindexh = event.indexh + 1;
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nextindexv = 0;
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}
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var notes = slideElement.querySelector('aside.notes');
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var slideData = {
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notes : notes ? notes.innerHTML : '',
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indexh : event.indexh,
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indexv : event.indexv,
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nextindexh : nextindexh,
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nextindexv : nextindexv,
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socketId : socketId,
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markdown : notes ? typeof notes.getAttribute('data-markdown') === 'string' : false
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};
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socket.emit('slidechanged', slideData);
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} );
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}());
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