From d5cc38e666c12263bed91e4d1e2ab450a71c795a Mon Sep 17 00:00:00 2001
From: Frederic Hemberger <mail@frederic-hemberger.de>
Date: Sun, 30 Dec 2012 12:54:16 +0100
Subject: [PATCH 1/2] Add presenter notes support

---
 shower.js | 34 +++++++++++++++++++++++++++++++---
 1 file changed, 31 insertions(+), 3 deletions(-)

diff --git a/shower.js b/shower.js
index 93e4a4d..bb2626a 100755
--- a/shower.js
+++ b/shower.js
@@ -18,7 +18,7 @@ window.shower = (function(window, document, undefined) {
 	*/
 	shower._getData = function(element, name) {
 		return element.dataset ? element.dataset[name] : element.getAttribute('data-' + name);
-	}
+	};
 
 	for (i = 0; i < l; i++) {
 		// Slide ID's are optional. In case of missing ID we set it to the
@@ -133,9 +133,13 @@ window.shower = (function(window, document, undefined) {
 	shower.enterSlideMode = function() {
 		// check if it's already in slide mode...
 		if ( body.classList.contains('full') ) { return; }
-		
+
 		body.classList.remove('list');
 		body.classList.add('full');
+
+		if ( window.console && window.console.clear ) { console.clear(); }
+		shower.showPresenterNotes( shower.getCurrentSlideNumber() );
+
 		return shower._applyTransform(shower._getTransform());
 	};
 
@@ -146,7 +150,7 @@ window.shower = (function(window, document, undefined) {
 	shower.enterListMode = function() {
 		// check if it's already in list mode...
 		if ( body.classList.contains('list') ) { return; }
-		
+
 		body.classList.remove('full');
 		body.classList.add('list');
 		return shower._applyTransform('none');
@@ -306,6 +310,29 @@ window.shower = (function(window, document, undefined) {
 		return true;
 	};
 
+	/**
+	* Show presenter notes in console.
+	* @param {number} slideNumber slide number (sic!). Attention: starts from zero.
+	*/
+	shower.showPresenterNotes = function(slideNumber) {
+		if (window.console) {
+			var slide     = slideList[ shower._normalizeSlideNumber(slideNumber) ].id;
+			var nextSlide = slideList[ shower._normalizeSlideNumber(slideNumber + 1) ].id;
+
+			var notes = document.getElementById(slide).querySelector('.presenter-notes');
+			if (notes) {
+				console.info(notes.innerHTML.replace(/\n\s+/g,'\n'));
+			}
+			if (nextSlide !== slide) {
+				var next = document.getElementById(nextSlide).querySelector('h2');
+				if (next) {
+					next = next.innerHTML.replace(/^\s+|<[^>]+>/g,'');
+					console.info('NEXT: ' + next);
+				}
+			}
+		}
+	};
+
 	/**
 	* Get slide hash.
 	* @param {number} slideNumber slide number (sic!). Attention: starts from zero.
@@ -336,6 +363,7 @@ window.shower = (function(window, document, undefined) {
 		if ( ! shower.isListMode()) {
 			shower.updateProgress(slideNumber);
 			shower.updateCurrentAndPassedSlides(slideNumber);
+			shower.showPresenterNotes(slideNumber);
 		}
 
 		return slideNumber;

From 0fe9b48470fc4242cbe20c7ee40a606099b83eee Mon Sep 17 00:00:00 2001
From: Frederic Hemberger <mail@frederic-hemberger.de>
Date: Tue, 1 Jan 2013 16:46:52 +0100
Subject: [PATCH 2/2] Adjust styling after code review

---
 shower.js | 20 +++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)

diff --git a/shower.js b/shower.js
index bb2626a..3d13985 100755
--- a/shower.js
+++ b/shower.js
@@ -132,13 +132,13 @@ window.shower = (function(window, document, undefined) {
 	*/
 	shower.enterSlideMode = function() {
 		// check if it's already in slide mode...
-		if ( body.classList.contains('full') ) { return; }
+		if (body.classList.contains('full')) { return; }
 
 		body.classList.remove('list');
 		body.classList.add('full');
 
-		if ( window.console && window.console.clear ) { console.clear(); }
-		shower.showPresenterNotes( shower.getCurrentSlideNumber() );
+		if (window.console && window.console.clear) { console.clear(); }
+		shower.showPresenterNotes(shower.getCurrentSlideNumber());
 
 		return shower._applyTransform(shower._getTransform());
 	};
@@ -149,7 +149,7 @@ window.shower = (function(window, document, undefined) {
 	*/
 	shower.enterListMode = function() {
 		// check if it's already in list mode...
-		if ( body.classList.contains('list') ) { return; }
+		if (body.classList.contains('list')) { return; }
 
 		body.classList.remove('full');
 		body.classList.add('list');
@@ -316,15 +316,17 @@ window.shower = (function(window, document, undefined) {
 	*/
 	shower.showPresenterNotes = function(slideNumber) {
 		if (window.console) {
-			var slide     = slideList[ shower._normalizeSlideNumber(slideNumber) ].id;
-			var nextSlide = slideList[ shower._normalizeSlideNumber(slideNumber + 1) ].id;
+			slideNumber = shower._normalizeSlideNumber(slideNumber);
 
-			var notes = document.getElementById(slide).querySelector('.presenter-notes');
+			var slideId     = slideList[slideNumber].id;
+			var nextSlideId = slideList[slideNumber + 1] ? slideList[slideNumber + 1].id : null;
+
+			var notes = document.getElementById(slideId).querySelector('.presenter-notes');
 			if (notes) {
 				console.info(notes.innerHTML.replace(/\n\s+/g,'\n'));
 			}
-			if (nextSlide !== slide) {
-				var next = document.getElementById(nextSlide).querySelector('h2');
+			if (nextSlideId) {
+				var next = document.getElementById(nextSlideId).querySelector('h2');
 				if (next) {
 					next = next.innerHTML.replace(/^\s+|<[^>]+>/g,'');
 					console.info('NEXT: ' + next);