merge in support for stepped fragments in notes window

README.md

@@ -132,6 +132,8 @@ Reveal.up();
 Reveal.down();
 Reveal.prev();
 Reveal.next();
+Reveal.prevFragment();
+Reveal.nextFragment();
 Reveal.toggleOverview();
 
 // Retrieves the previous and current slide elements

index.html

@@ -261,6 +261,10 @@ function linkify( selector ) {
 							<li class="fragment"><em>of view</em></li>
 							<li class="fragment"><strong>fragments</strong></li>
 						</ol>
+
+						<aside class="notes">
+							This slide has fragments which are also stepped through in the notes window.
+						</aside>
 					</section>
 					<section>
 						<h2>Fragment Styles</h2>

js/reveal.js

@@ -1324,6 +1324,8 @@ var Reveal = (function(){
 		down: navigateDown,
 		prev: navigatePrev,
 		next: navigateNext,
+		prevFragment: previousFragment,
+		nextFragment: nextFragment,
 
 		// Deprecated aliases
 		navigateTo: slide,

js/reveal.min.js

@@ -76,7 +76,7 @@ if(am>ac.threshold&&Math.abs(am)>Math.abs(al)){ac.handled=true;B();}else{if(am<-
 u();}else{if(al<-ac.threshold){ac.handled=true;F();}}}}aq.preventDefault();}}}else{if(navigator.userAgent.match(/android/gi)){aq.preventDefault();}}}function W(al){ac.handled=false;
 }function o(al){clearTimeout(z);z=setTimeout(function(){var am=al.detail||-al.wheelDelta;if(am>0){x();}else{Z();}},100);}function ai(am){var al=Array.prototype.slice.call(document.querySelectorAll(l)).length;
 var an=Math.floor((am.clientX/f.wrapper.offsetWidth)*al);a(an);}function w(al){J();}function C(al){if(L()){al.preventDefault();ae();m=this.getAttribute("data-index-h");
-e=this.getAttribute("data-index-v");a();}}return{initialize:i,slide:a,left:B,right:j,up:u,down:F,prev:Z,next:x,navigateTo:a,navigateLeft:B,navigateRight:j,navigateUp:u,navigateDown:F,navigatePrev:Z,navigateNext:x,toggleOverview:X,addEventListeners:E,removeEventListeners:U,getIndices:M,getPreviousSlide:function(){return y;
+e=this.getAttribute("data-index-v");a();}}return{initialize:i,slide:a,left:B,right:j,up:u,down:F,prev:Z,next:x,prevFragment:Q,nextFragment:v,navigateTo:a,navigateLeft:B,navigateRight:j,navigateUp:u,navigateDown:F,navigatePrev:Z,navigateNext:x,toggleOverview:X,addEventListeners:E,removeEventListeners:U,getIndices:M,getPreviousSlide:function(){return y;
 },getCurrentSlide:function(){return G;},getQueryHash:function(){var al={};location.search.replace(/[A-Z0-9]+?=(\w*)/gi,function(am){al[am.split("=").shift()]=am.split("=").pop();
 });return al;},addEventListener:function(am,an,al){if("addEventListener" in window){(f.wrapper||document.querySelector(".reveal")).addEventListener(am,an,al);
 }},removeEventListener:function(am,an,al){if("addEventListener" in window){(f.wrapper||document.querySelector(".reveal")).removeEventListener(am,an,al);

plugin/notes/notes.html

@@ -109,45 +109,30 @@
 
 					window.addEventListener( 'message', function( event ) {
 						var data = JSON.parse( event.data );
-
+						// No need for updating the notes in case of fragment changes
+						if ( data.notes !== undefined) {
 							if( data.markdown ) {
 								notes.innerHTML = (new Showdown.converter()).makeHtml( data.notes );
 							}
 							else {
 								notes.innerHTML = data.notes;
 							}
-
-						// Kill the slide listeners while responding to the event
-						removeSlideListeners();
+						}
 
 						// Update the note slides
 						currentSlide.contentWindow.Reveal.slide( data.indexh, data.indexv );
 						nextSlide.contentWindow.Reveal.slide( data.nextindexh, data.nextindexv );
 
-						// Resume listening on the next cycle
-						setTimeout( addSlideListeners, 1 );
+						// Showing and hiding fragments
+						if( data.fragment === 'next' ) {
+							currentSlide.contentWindow.Reveal.nextFragment();
+						}
+						else if( data.fragment === 'prev' ) {
+							currentSlide.contentWindow.Reveal.prevFragment();
+						}
 
 					}, false );
 
-					function addSlideListeners() {
-						currentSlide.contentWindow.Reveal.addEventListener( 'slidechanged', onNotesSlideChange, false );
-						nextSlide.contentWindow.Reveal.addEventListener( 'slidechanged', onNotesSlideChange, false );
-					}
-
-					function removeSlideListeners() {
-						currentSlide.contentWindow.Reveal.removeEventListener( 'slidechanged', onNotesSlideChange, false );
-						nextSlide.contentWindow.Reveal.removeEventListener( 'slidechanged', onNotesSlideChange, false );
-					}
-
-					function onNotesSlideChange( event ) {
-						window.opener.postMessage( JSON.stringify({
-							indexh : event.indexh,
-							indexv : event.indexv
-						}), '*' );
-					}
-
-					addSlideListeners();
-
 				})( window );
 
 			}, false );

plugin/notes/notes.js

@@ -7,11 +7,34 @@ var RevealNotes = (function() {
 	function openNotes() {
 		var notesPopup = window.open( 'plugin/notes/notes.html', 'reveal.js - Notes', 'width=1120,height=850' );
 
-		Reveal.addEventListener( 'slidechanged', post );
+		// Fires when slide is changed
+		Reveal.addEventListener( 'slidechanged', function( event ) {
+			post('slidechanged');
+		} );
 
-		// Posts the current slide data to the notes window
-		function post() {
+		// Fires when a fragment is shown
+		Reveal.addEventListener( 'fragmentshown', function( event ) {
+			post('fragmentshown');
+		} );
+
+		// Fires when a fragment is hidden
+		Reveal.addEventListener( 'fragmenthidden', function( event ) {
+			post('fragmenthidden');
+		} );
+
+		/**
+		 * Posts the current slide data to the notes window
+		 *
+		 * @param {String} eventType Expecting 'slidechanged', 'fragmentshown' 
+		 * or 'fragmenthidden' set in the events above to define the needed 
+		 * slideDate.
+		 */
+		function post( eventType ) {
 			var slideElement = Reveal.getCurrentSlide(),
+				messageData;
+
+			if( eventType === 'slidechanged' ) {
+				var notes = slideElement.querySelector( 'aside.notes' ),
 					indexh = Reveal.getIndices().h,
 					indexv = Reveal.getIndices().v,
 					nextindexh,
@@ -25,9 +48,7 @@ var RevealNotes = (function() {
 					nextindexv = 0;
 				}
 
-			var notes = slideElement.querySelector( 'aside.notes' );
-
-			var slideData = {
+				messageData = {
 					notes : notes ? notes.innerHTML : '',
 					indexh : indexh,
 					indexv : indexv,
@@ -35,26 +56,29 @@ var RevealNotes = (function() {
 					nextindexv : nextindexv,
 					markdown : notes ? typeof notes.getAttribute( 'data-markdown' ) === 'string' : false
 				};
-
-			notesPopup.postMessage( JSON.stringify( slideData ), '*' );
+			}
+			else if( eventType === 'fragmentshown' ) {
+				messageData = {
+					fragment : 'next'
+				};
+			}
+			else if( eventType === 'fragmenthidden' ) {
+				messageData = {
+					fragment : 'prev'
+				};
 			}
 
-		// The main presentation is kept in sync when navigating the
-		// note slides so that the popup may be used as a remote
-		window.addEventListener( 'message', function( event ) {
-			var data = JSON.parse( event.data );
-
-			if( data && typeof data.indexh === 'number' && typeof data.indexv === 'number' ) {
-				Reveal.slide( data.indexh, data.indexv );
+			notesPopup.postMessage( JSON.stringify( messageData ), '*' );
 		}
-		} );
 
 		// Navigate to the current slide when the notes are loaded
-		notesPopup.addEventListener( 'load', post, false );
+		notesPopup.addEventListener( 'load', function( event ) {
+			post('slidechanged');
+		}, false );
 	}
 
 	// If the there's a 'notes' query set, open directly
-	if( window.location.search.match(/(\?|\&)notes/gi ) !== null ) {
+	if( window.location.search.match( /(\?|\&)notes/gi ) !== null ) {
 		openNotes();
 	}
 
@@ -70,5 +94,5 @@ var RevealNotes = (function() {
 		}
 	}, false );
 
-	return { open: openNotes }
+	return { open: openNotes };
 })();