forked from blallo/talk-hm-0x15
68 lines
1.9 KiB
JavaScript
68 lines
1.9 KiB
JavaScript
(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,
|
|
nextindexv,
|
|
slideElement = event.currentSlide,
|
|
notesElement = slideElement.querySelector( 'aside.notes' );
|
|
|
|
if( slideElement.nextElementSibling && slideElement.parentNode.nodeName == 'SECTION' ) {
|
|
nextindexh = event.indexh;
|
|
nextindexv = event.indexv + 1;
|
|
} else {
|
|
nextindexh = event.indexh + 1;
|
|
nextindexv = 0;
|
|
}
|
|
|
|
var messageData = {
|
|
notes : '',
|
|
indexh : event.indexh,
|
|
indexv : event.indexv,
|
|
nextindexh : nextindexh,
|
|
nextindexv : nextindexv,
|
|
socketId : socketId,
|
|
markdown : false
|
|
};
|
|
|
|
// 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( 'slidechanged', messageData );
|
|
} );
|
|
}());
|