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Merge pull request #146 from izar/master

First working draft of a theme supporting Leap Motion gestures
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2 parents 3e5099f + e7e511b commit 4a715da5813081eeebd83b9c8d2db460d2b9b450 @adamzap committed Aug 30, 2013
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183 src/landslide/themes/leapmotion/base.html
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+<!DOCTYPE html>
+<!--
+ Copyright 2010 Google Inc.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+
+ Original slides: Marcin Wichary (mwichary@google.com)
+ Modifications: Ernest Delgado (ernestd@google.com)
+ Alex Russell (slightlyoff@chromium.org)
+
+ landslide modifications: Adam Zapletal (adamzap@gmail.com)
+ Nicolas Perriault (nperriault@gmail.com)
+-->
+<html>
+<head>
+ <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+ <meta http-equiv="X-UA-Compatible" content="chrome=1">
+ <title>{{ head_title }}</title>
+ <!-- Styles -->
+ {% if embed %}
+ <style type="text/css" media="print">
+ {{ css.print.contents }}
+ </style>
+ <style type="text/css" media="screen, projection">
+ {{ css.screen.contents }}
+ </style>
+ {% else %}
+ <link rel="stylesheet" media="print" href="{{ css.print.path_url }}">
+ <link rel="stylesheet" media="screen, projection" href="{{ css.screen.path_url }}">
+ {% endif %}
+ {% for css in user_css %}
+ {% if embed %}
+ <style type="text/css" media="screen, projection">
+ {{ css.contents }}
+ </style>
+ {% else %}
+ <link rel="stylesheet" href="{{ css.path_url }}">
+ {% endif %}
+ {% endfor %}
+ <!-- /Styles -->
+ <!-- Javascripts -->
+ <script type="text/javascript" src="http://js.leapmotion.com/0.2.0-beta6/leap.min.js"></script>
+ {% if embed %}
+ <script>
+ {{ js.contents }}
+ </script>
+ {% else %}
+ <script type="text/javascript" src="{{ js.path_url }}"></script>
+ {% endif %}
+ {% for js in user_js %}
+ {% if embed %}
+ <script>
+ {{ js.contents }}
+ </script>
+ {% else %}
+ <script type="text/javascript" src="{{ js.path_url }}"></script>
+ {% endif %}
+ {% endfor %}
+ <!-- /Javascripts -->
+</head>
+<body>
+ <div id="blank"></div>
+ <div class="presentation">
+ <div id="current_presenter_notes">
+ <div id="presenter_note"></div>
+ </div>
+ <div class="slides">
+ {% for slide in slides %}
+ <!-- slide source: {% if slide.source %}{{ slide.source.rel_path }}{% endif %} -->
+ <div class="slide-wrapper">
+ <div class="slide{% if slide.classes %}{% for class in slide.classes %} {{ class }}{% endfor %}{% endif %}">
+ <div class="inner">
+ {% if slide.header %}
+ <header>{{ slide.header }}</header>
+ {% endif %}
+ {% if slide.content %}
+ <section>{{ slide.content }}</section>
+ {% endif %}
+ </div>
+ <div class="presenter_notes">
+ <header><h1>Presenter Notes</h1></header>
+ <section>
+ {% if slide.presenter_notes %}
+ {{ slide.presenter_notes }}
+ {% endif %}
+ </section>
+ </div>
+ <footer>
+ {% if slide.source %}
+ <aside class="source">
+ Source: <a href="{{ slide.source.rel_path }}">{{ slide.source.rel_path }}</a>
+ </aside>
+ {% endif %}
+ <aside class="page_number">
+ {{ slide.number }}/{{ num_slides }}
+ </aside>
+ </footer>
+ </div>
+ </div>
+ {% endfor %}
+ </div>
+ </div>
+ {% if toc %}
+ <div id="toc" class="sidebar hidden">
+ <h2>Table of Contents</h2>
+ <table>
+ <caption>Table of Contents</caption>
+ {% for section in toc %}
+ <tr id="toc-row-{{ section.number }}">
+ <th><a href="#slide{{ section.number }}">{{ section.title }}</a></th>
+ <td><a href="#slide{{ section.number }}">{{ section.number }}</a></td>
+ </tr>
+ {% if section.sub %}
+ {% for subsection in section.sub %}
+ <tr id="toc-row-{{ subsection.number }}" class="sub">
+ <th><a href="#slide{{ subsection.number }}">{{ subsection.title }}</a></th>
+ <td><a href="#slide{{ subsection.number }}">{{ subsection.number }}</a></td>
+ </tr>
+ {% endfor %}
+ {% endif %}
+ {% endfor %}
+ </table>
+ </div>
+ {% endif %}
+ <div id="help" class="sidebar hidden">
+ <h2>Help</h2>
+ <table>
+ <caption>Help</caption>
+ <tr>
+ <th>Table of Contents</th>
+ <td>t</td>
+ </tr>
+ <tr>
+ <th>Exposé</th>
+ <td>ESC</td>
+ </tr>
+ <tr>
+ <th>Full screen slides</th>
+ <td>e</td>
+ </tr>
+ <tr>
+ <th>Presenter View</th>
+ <td>p</td>
+ </tr>
+ <tr>
+ <th>Source Files</th>
+ <td>s</td>
+ </tr>
+ <tr>
+ <th>Slide Numbers</th>
+ <td>n</td>
+ </tr>
+ <tr>
+ <th>Toggle screen blanking</th>
+ <td>b</td>
+ </tr>
+ <tr>
+ <th>Show/hide slide context</th>
+ <td>c</td>
+ </tr>
+ <tr>
+ <th>Notes</th>
+ <td>2</td>
+ </tr>
+ <tr>
+ <th>Help</th>
+ <td>h</td>
+ </tr>
+ </table>
+ </div>
+ <script>main()</script>
+</body>
+</html>
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93 src/landslide/themes/leapmotion/css/print.css
@@ -0,0 +1,93 @@
+* {
+ margin: 0;
+ padding: 0;
+}
+
+@page {
+ size: landscape;
+}
+
+body {
+ font: 100% "Lucida Grande", "Trebuchet MS", Verdana, sans-serif;
+ padding: 0;
+ margin: 0;
+}
+
+div.slide {
+ min-width: 800px;
+ min-height: 600px;
+ padding: 1em;
+ overflow: hidden;
+ page-break-after: always;
+ border: 1px solid black;
+ border-radius: 20px;
+}
+
+div.slide div.inner {
+ width: 800px;
+ height: 600px;
+ margin: auto;
+}
+
+h1 {
+ font-size: 2.4em;
+}
+
+h2 {
+ font-size: 1.4em;
+}
+
+h3 {
+ margin: 1em 0;
+}
+
+ul {
+ margin: 0;
+ padding: 0;
+}
+
+p, li, pre {
+ margin: 1em 0;
+}
+
+li {
+ margin-left: 2em;
+}
+
+a {
+ color: #000000;
+}
+
+pre, code {
+ max-width: 800px;
+ background: #eee;
+ font-family: Monaco, monospace;
+ font-size: 90%;
+}
+
+pre {
+ padding: .2em .5em;
+ overflow: hidden;
+ border-radius: .8em;
+}
+
+code {
+ padding: 0 .2em;
+}
+
+.slide header:only-child h1 {
+ line-height: 180%;
+ text-align: center;
+ display: table-cell;
+ vertical-align: middle;
+ height: 600px;
+ width: 800px;
+ font-size: 48px;
+ margin-top:100px;
+ margin-bottom:100px;
+}
+
+#toc, #help, .slide aside, .slide footer, .slide .notes,
+.presenter_notes, #current_presenter_notes, #presenter_note {
+ display: none;
+}
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563 src/landslide/themes/leapmotion/css/screen.css
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+body {
+ font: 14px "Lucida Grande", "Trebuchet MS", Verdana, sans-serif;
+ background: #778;
+ padding: 0;
+ margin: 0;
+ overflow: hidden;
+}
+
+div.presentation {
+ position: absolute;
+ width: 100%;
+ display: table-cell;
+ vertical-align: middle;
+ height: 100%;
+ background: inherit;
+}
+
+div.presentation > h1 {
+ display: none;
+}
+
+div.slides, body.expose div.slides.nocontext {
+ width: 100%;
+ height: 100%;
+ left: 0;
+ top: 0;
+ position: absolute;
+ display: block;
+}
+
+div.slides.nocontext {
+ width: 900px;
+ margin: 0 auto;
+ overflow: hidden;
+ position: relative;
+ left: auto;
+ top: auto;
+}
+
+div.slide {
+ display: inline;
+ position: absolute;
+ overflow: hidden;
+ width: 900px;
+ height: 700px;
+ margin-top: -350px;
+ margin-left: -400px;
+ left: 50%;
+ top: 50%;
+ background: -webkit-gradient(linear, left bottom, left top, from(#bbd), to(#fff));
+ background-color: #eee;
+ background: -moz-linear-gradient(bottom, #bbd, #fff);
+ -webkit-transition: margin 0.25s ease-in-out;
+ -moz-transition: margin 0.25s ease-in-out;
+ -o-transition: margin 0.25s ease-in-out;
+ border-top-left-radius: 20px;
+ -moz-border-radius-topleft: 20px;
+ -webkit-border-top-left-radius: 20px;
+ border-top-right-radius: 20px;
+ -moz-border-radius-topright: 20px;
+ -webkit-border-top-right-radius: 20px;
+ border-bottom-right-radius: 20px;
+ -moz-border-radius-bottomright: 20px;
+ -webkit-border-bottom-right-radius: 20px;
+ border-bottom-left-radius: 20px;
+ -moz-border-radius-bottomleft: 20px;
+ -webkit-border-bottom-left-radius: 20px;
+}
+
+/* Expose */
+
+body.expose div.slides {
+ float: left;
+ position: relative;
+ overflow: auto;
+ margin-bottom: 10px;
+}
+
+body.expose div.slide {
+ display: block;
+ float: left;
+ position: relative;
+ left: auto !important;
+ top: auto !important;
+ margin: 10px !important;
+ -webkit-transition: none;
+ -moz-transition: none;
+ -o-transition: none;
+ -moz-transform: scale(.33, .33);
+ -moz-transform-origin: 0 0;
+ -webkit-transform: scale(.33, .33);
+ -webkit-transform-origin: 0 0;
+ -o-transform: scale(.33, .33);
+ -o-transform-origin: 0 0;
+ -webkit-transition: none;
+ -moz-transition: none;
+ -o-transition: none;
+ cursor: pointer;
+}
+
+body.expose div.slide:hover {
+ background: -webkit-gradient(linear, left bottom, left top, from(#bdd), to(#fff));
+ background-color: #eee;
+ background: -moz-linear-gradient(bottom, #bdd, #fff);
+}
+
+body.expose .slide-wrapper {
+ float: left;
+ position: relative;
+ margin: .5%;
+ width: 300px;
+ height: 233px;
+}
+
+body.expose .slide footer {
+}
+
+body.expose .slide .inner {
+}
+
+body.expose .slide.far-past,
+body.expose .slide.past,
+body.expose .slide.future,
+body.expose .slide.far-future {
+ margin-left: 0;
+}
+
+body.expose .slide.current {
+ background: -webkit-gradient(linear, left bottom, left top, from(#ddb), to(#fff));
+ background-color: #eee;
+ background: -moz-linear-gradient(bottom, #ddb, #fff);
+ border: 16px solid #fff;
+ -moz-transform: scale(.315, .315);
+ -moz-transform-origin: 0 0;
+ -webkit-transform: scale(.315, .315);
+ -webkit-transform-origin: 0 0;
+ -o-transform: scale(.315, .315);
+ -o-transform-origin: 0 0;
+}
+
+/* Presenter Mode */
+
+body.presenter_view div.slide {
+ display: inline;
+ position: absolute;
+ overflow: hidden;
+ -moz-transform: scale(.5, .5);
+ -moz-transform-origin: 0 0;
+ -webkit-transform: scale(.5, .5);
+ -webkit-transform-origin: 0 0;
+ -o-transform: scale(.5, .5);
+ -o-transform-origin: 0 0;
+ margin-top: -300px;
+}
+
+body.presenter_view .slide.far-past {
+ display: block;
+ margin-left: -1500px;
+}
+
+body.presenter_view .slide.past {
+ display: block;
+ margin-left: -975px;
+}
+
+body.presenter_view .slide.current {
+ display: block;
+ margin-left: -475px;
+ border: 8px solid maroon;
+ z-index: 2;
+}
+
+body.presenter_view .slide.future {
+ display: block;
+ margin-left: 25px;
+ z-index: 1;
+}
+
+body.presenter_view .slide.far-future {
+ display: block;
+ margin-left: 525px;
+}
+
+body.presenter_view div#current_presenter_notes {
+ visibility: visible;
+ display: block;
+ position: absolute;
+ overflow: auto;
+ vertical-align: middle;
+ left: 50%;
+ top: 50%;
+ margin-left: -475px;
+ margin-top: 100px;
+ z-index: 2;
+ width: 950px;
+ border-style: solid;
+ height: 30%;
+ background-color: silver;
+}
+
+body.presenter_view div#current_presenter_notes section {
+ font-family: "Lucida Grande", "Trebuchet MS", Verdana, sans-serif;
+ color: black;
+ text-shadow: rgba(0, 0, 0, 0.2) 0 2px 5px;
+ display: block;
+ overflow: visible;
+ position: relative;
+ background-color: #fffeff;
+ height: 120px;
+ margin-right: 30px;
+ margin-top: 60px;
+ margin-left: 30px;
+ padding-right: 10px;
+ padding-left: 10px;
+ padding-top: 10px;
+}
+
+body.presenter_view div#current_presenter_notes section p {
+ margin: 0;
+}
+
+body.presenter_view div#current_presenter_notes h1 {
+ font-size: 50%;
+ display: block;
+}
+
+div#current_presenter_notes {
+ display: none;
+}
+
+div.slide div.presenter_notes, div.slides div.presenter_notes {
+ display: none;
+}
+
+/* Slide styles */
+
+div.slide p {
+ font-size: 20px;
+}
+
+.slide.far-past {
+ display: block;
+ margin-left: -2400px;
+}
+
+.slide.past {
+ display: block;
+ margin-left: -1400px;
+}
+
+.slide.current {
+ display: block;
+ margin-left: -450px;
+}
+
+.slide.future {
+ display: block;
+ margin-left: 500px;
+}
+
+.slide.far-future {
+ display: block;
+ margin-left: 1500px;
+}
+
+body.three-d div.slides {
+ -webkit-transform: translateX(50px) scale(0.8) rotateY(10deg);
+ -moz-transform: translateX(50px) scale(0.8) rotateY(10deg);
+ -o-transform: translateX(50px) scale(0.8) rotateY(10deg);
+}
+
+
+/* Content */
+
+header:not(:only-child) {
+ font-family: "Lucida Grande", "Trebuchet MS", Verdana, sans-serif;
+ font-weight: normal;
+ font-size: 50px;
+ letter-spacing: -.05em;
+ color: black;
+ text-shadow: rgba(0, 0, 0, 0.2) 0 2px 5px;
+ position: absolute;
+ left: 30px;
+ top: 25px;
+ margin: 0;
+ padding: 0;
+}
+
+header h1, header h2, header h3, header h4, header h5, header h6 {
+ display: inline;
+ font-size: 100%;
+ font-weight: normal;
+ padding: 0;
+ margin: 0;
+}
+
+header h2:first-child {
+ margin-top: 0;
+}
+
+section, .slide header:only-child h1 {
+ font-family: "Lucida Grande", "Trebuchet MS", Verdana, sans-serif;
+ color: #3f3f3f;
+ text-shadow: rgba(0, 0, 0, 0.2) 0 2px 5px;
+ margin-left: 30px;
+ margin-right: 30px;
+ margin-top: 100px;
+ display: block;
+ overflow: hidden;
+}
+
+img { display: block; margin: auto; }
+
+section img.align-center {
+ display: block;
+ margin-left: auto;
+ margin-right: auto;
+}
+
+section img.align-right {
+ display: block;
+ margin-left: auto;
+ margin-right: 0;
+}
+
+section img.align-left {
+ display: block;
+ margin-right: auto;
+ margin-left: 0;
+}
+
+a {
+ color: inherit;
+ display: inline-block;
+ text-decoration: none;
+ line-height: 110%;
+ border-bottom: 2px solid #3f3f3f;
+}
+
+pre, code, tt {
+ font-family: Monaco, Consolas, 'Bitstream Vera Sans Mono', 'Lucida Console', FreeMono, Courier, monospace;
+}
+
+pre, .gist .gist-file .gist-data {
+ font-size: 18px;
+ max-height: 485px;
+ padding-top: 0.25em !important;
+ padding-right: 0.5em !important;
+ padding-left: 0.5em !important;
+ overflow: auto;
+}
+
+/* render a nice scrollbar in overflowed pre area's */
+::-webkit-scrollbar {
+ height: 8px;
+ width: 8px;
+}
+::-webkit-scrollbar-thumb {
+ background: -webkit-gradient(linear, left bottom, left top, from(#777), to(#bbd));
+ -webkit-border-radius: 1ex;
+}
+::-webkit-scrollbar-corner {
+ background: #dedede;
+}
+
+blockquote {
+ border-left: solid 8px #778;
+ padding: .1ex 1ex;
+ font-style: italic;
+}
+
+li {
+ padding: 10px 0;
+ font-size: 20px;
+}
+
+li pre { margin-left: 0em; }
+
+.slide header:only-child h1 {
+ line-height: 180%;
+ text-align: center;
+ display: table-cell;
+ vertical-align: middle;
+ height: 700px;
+ width: 900px;
+ font-size: 50px;
+ margin-top:100px;
+ margin-bottom:100px;
+}
+
+.sidebar {
+ clear: both;
+ background: -webkit-gradient(linear, top right, bottom right, from(#dde), to(#fff));
+ -webkit-transition: margin 0.25s ease-in-out;
+ background-color: #eee;
+ background: -moz-linear-gradient(right, #dde, #fff);
+ border-right: 5px solid #ccd;
+ z-index: 9999999;
+ height: 100%;
+ overflow: hidden;
+ top: 0;
+ position: absolute;
+ display: block;
+ margin: 0;
+ margin-left: -400px;
+ padding: 10px 16px;
+ overflow: auto;
+ -webkit-transition: margin 0.2s ease-in-out;
+ -moz-transition: margin 0.2s ease-in-out;
+ -o-transition: margin 0.2s ease-in-out;
+}
+
+.sidebar h2 {
+ text-shadow: rgba(0, 0, 0, 0.2) 0 2px 5px;
+ margin: 0 0 16px;
+ padding: 0;
+}
+
+.sidebar table {
+ width: 100%;
+ margin: 0;
+ padding: 0;
+ border-collapse: collapse;
+}
+
+.sidebar table caption {
+ display: none;
+}
+
+.sidebar tr {
+ margin: 2px 0;
+ border-bottom: 1px solid #ccc;
+}
+
+.sidebar th {
+ text-align: left;
+ font-weight: normal;
+ max-width: 300px;
+ overflow: hidden;
+}
+
+.sidebar tr.sub th {
+ text-indent: 20px;
+}
+
+.sidebar td {
+ text-align: right;
+ min-width: 20px;
+}
+
+.sidebar a {
+ display: block;
+ text-decoration: none;
+ border-bottom: none;
+ padding: 4px 0;
+}
+
+.sidebar tr.active {
+ background: #ff0;
+}
+
+aside {
+ display: none;
+}
+ aside.source {
+ position: absolute;
+ bottom: 6px;
+ left: 10px;
+ text-indent: 10px;
+ }
+ aside.page_number {
+ position: absolute;
+ bottom: 6px;
+ right: 10px;
+ text-indent: 10px;
+ }
+
+.notes {
+ display: none;
+ padding: 10px;
+ background: #ccc;
+ border-radius: 10px;
+ -moz-border-radius: 10px;
+ -webkit-border-radius: 10px;
+}
+ div.slide p.notes {
+ font-size: 90%;
+}
+
+/* Pygments default theme */
+.hll { background-color: #ffffcc }
+.c { color: #408080; font-style: italic } /* Comment */
+.err { border: 1px solid #FF0000 } /* Error */
+.k { color: #008000; font-weight: bold } /* Keyword */
+.o { color: #666666 } /* Operator */
+.cm { color: #408080; font-style: italic } /* Comment.Multiline */
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+.gi { color: #00A000 } /* Generic.Inserted */
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+.ss { color: #19177C } /* Literal.String.Symbol */
+.bp { color: #008000 } /* Name.Builtin.Pseudo */
+.vc { color: #19177C } /* Name.Variable.Class */
+.vg { color: #19177C } /* Name.Variable.Global */
+.vi { color: #19177C } /* Name.Variable.Instance */
+.il { color: #666666 } /* Literal.Number.Integer.Long */
+.lineno { padding-right: 10px } /* A few space after linenos */
+
+#blank {
+ position: absolute;
+ top: 0;
+ left: 0;
+ background-color: black;
+ width: 100%;
+ height: 100%;
+ z-index: 64;
+ display: none;
+}
View
634 src/landslide/themes/leapmotion/js/slides.js
@@ -0,0 +1,634 @@
+
+
+
+function main() {
+ // Since we don't have the fallback of attachEvent and
+ // other IE only stuff we won't try to run JS for IE.
+ // It will run though when using Google Chrome Frame
+ if (document.all) { return; }
+
+ var currentSlideNo;
+ var notesOn = false;
+ var expanded = false;
+ var hiddenContext = false;
+ var blanked = false;
+ var slides = document.getElementsByClassName('slide');
+ var touchStartX = 0;
+ var spaces = /\s+/, a1 = [''];
+ var tocOpened = false;
+ var helpOpened = false;
+ var overviewActive = false;
+ var modifierKeyDown = false;
+ var scale = 1;
+ var showingPresenterView = false;
+ var presenterViewWin = null;
+ var isPresenterView = false;
+
+ var leapEnable = function() {
+ if(typeof Leap == 'undefined') {
+ alert("ERROR: Leapmotion functionality will not be available. There is probably a new version of leap.js available - check http://js.leapmotion.com");
+ };
+ Leap.loop({enableGestures: true}, function(obj) {
+ leapNavigate(obj)
+ });
+
+ var leapNavigate = function(frame) {
+ if(!frame.valid) { return; }
+ if(frame.gestures.length > 0) {
+ gesture = frame.gestures[0];
+ switch(gesture.state) {
+ case "start":
+ // right now we are only interested in horizontal swipes
+ gstart = gesture.position[0];
+ // i only want one gesture
+ gid = gesture.id
+ break;
+ case "update":
+ break;
+ case "stop":
+ gstop = gesture.position[0];
+ switch(gesture.type) {
+ case "swipe":
+ if(gid != gesture.id) {
+ // not the same swipe that we are tracking
+ break;
+ }
+ if(gstart < gstop) {
+ // we are going from left to right, advance
+ nextSlide();
+ } else if(gstart > gstop) {
+ prevSlide();
+ }
+ break;
+ case "circle":
+ console.log("CIRCLE");
+ break;
+ case "screenTap":
+ case "fingerTap":
+ console.log("TAP");
+ break;
+ };
+ };
+ };
+ }
+}
+
+ var str2array = function(s) {
+ if (typeof s == 'string' || s instanceof String) {
+ if (s.indexOf(' ') < 0) {
+ a1[0] = s;
+ return a1;
+ } else {
+ return s.split(spaces);
+ }
+ }
+ return s;
+ };
+
+ var trim = function(str) {
+ return str.replace(/^\s\s*/, '').replace(/\s\s*$/, '');
+ };
+
+ var addClass = function(node, classStr) {
+ classStr = str2array(classStr);
+ var cls = ' ' + node.className + ' ';
+ for (var i = 0, len = classStr.length, c; i < len; ++i) {
+ c = classStr[i];
+ if (c && cls.indexOf(' ' + c + ' ') < 0) {
+ cls += c + ' ';
+ }
+ }
+ node.className = trim(cls);
+ };
+
+ var removeClass = function(node, classStr) {
+ var cls;
+ if (!node) {
+ throw 'no node provided';
+ }
+ if (classStr !== undefined) {
+ classStr = str2array(classStr);
+ cls = ' ' + node.className + ' ';
+ for (var i = 0, len = classStr.length; i < len; ++i) {
+ cls = cls.replace(' ' + classStr[i] + ' ', ' ');
+ }
+ cls = trim(cls);
+ } else {
+ cls = '';
+ }
+ if (node.className != cls) {
+ node.className = cls;
+ }
+ };
+
+ var getSlideEl = function(slideNo) {
+ if (slideNo > 0) {
+ return slides[slideNo - 1];
+ } else {
+ return null;
+ }
+ };
+
+ var getSlideTitle = function(slideNo) {
+ var el = getSlideEl(slideNo);
+ if (el) {
+ var headers = el.getElementsByTagName('header');
+ if (headers.length > 0) {
+ return el.getElementsByTagName('header')[0].innerText;
+ }
+ }
+ return null;
+ };
+
+ var getSlidePresenterNote = function(slideNo) {
+ var el = getSlideEl(slideNo);
+ if (el) {
+ var n = el.getElementsByClassName('presenter_notes');
+ if (n.length > 0) {
+ return n[0];
+ }
+ }
+ return null;
+ };
+
+ var changeSlideElClass = function(slideNo, className) {
+ var el = getSlideEl(slideNo);
+ if (el) {
+ removeClass(el, 'far-past past current future far-future');
+ addClass(el, className);
+ }
+ };
+
+ var updateSlideClasses = function(updateOther) {
+ window.location.hash = (isPresenterView ? "presenter" : "slide") + currentSlideNo;
+
+ for (var i=1; i<currentSlideNo-1; i++) {
+ changeSlideElClass(i, 'far-past');
+ }
+
+ changeSlideElClass(currentSlideNo - 1, 'past');
+ changeSlideElClass(currentSlideNo, 'current');
+ changeSlideElClass(currentSlideNo + 1, 'future');
+
+ for (i=currentSlideNo+2; i<slides.length+1; i++) {
+ changeSlideElClass(i, 'far-future');
+ }
+
+ highlightCurrentTocLink();
+
+ processContext();
+
+ document.getElementsByTagName('title')[0].innerText = getSlideTitle(currentSlideNo);
+
+ updatePresenterNotes();
+
+ if (updateOther) { updateOtherPage(); }
+ };
+
+ var updatePresenterNotes = function() {
+ if (!isPresenterView) { return; }
+
+ var existingNote = document.getElementById('current_presenter_notes');
+ var currentNote = getSlidePresenterNote(currentSlideNo).cloneNode(true);
+ currentNote.setAttribute('id', 'presenter_note');
+
+ existingNote.replaceChild(currentNote, document.getElementById('presenter_note'));
+ };
+
+ var highlightCurrentTocLink = function() {
+ var toc = document.getElementById('toc');
+
+ if (toc) {
+ var tocRows = toc.getElementsByTagName('tr');
+ for (var i=0; i<tocRows.length; i++) {
+ removeClass(tocRows.item(i), 'active');
+ }
+
+ var currentTocRow = document.getElementById('toc-row-' + currentSlideNo);
+ if (currentTocRow) {
+ addClass(currentTocRow, 'active');
+ }
+ }
+ };
+
+ var updateOtherPage = function() {
+ if (!showingPresenterView) { return; }
+
+ var w = isPresenterView ? window.opener : presenterViewWin;
+ w.postMessage('slide#' + currentSlideNo, '*');
+ };
+
+ var nextSlide = function() {
+ if (currentSlideNo < slides.length) {
+ currentSlideNo++;
+ }
+ updateSlideClasses(true);
+ };
+
+ var prevSlide = function() {
+ if (currentSlideNo > 1) {
+ currentSlideNo--;
+ }
+ updateSlideClasses(true);
+ };
+
+ var showNotes = function() {
+ var notes = getSlideEl(currentSlideNo).getElementsByClassName('notes');
+ for (var i = 0, len = notes.length; i < len; i++) {
+ notes.item(i).style.display = (notesOn) ? 'none':'block';
+ }
+ notesOn = !notesOn;
+ };
+
+ var showSlideNumbers = function() {
+ var asides = document.getElementsByClassName('page_number');
+ var hidden = asides[0].style.display != 'block';
+ for (var i = 0; i < asides.length; i++) {
+ asides.item(i).style.display = hidden ? 'block' : 'none';
+ }
+ };
+
+ var showSlideSources = function() {
+ var asides = document.getElementsByClassName('source');
+ var hidden = asides[0].style.display != 'block';
+ for (var i = 0; i < asides.length; i++) {
+ asides.item(i).style.display = hidden ? 'block' : 'none';
+ }
+ };
+
+ var showToc = function() {
+ if (helpOpened) {
+ showHelp();
+ }
+ var toc = document.getElementById('toc');
+ if (toc) {
+ toc.style.marginLeft = tocOpened ? '-' + (toc.clientWidth + 20) + 'px' : '0px';
+ tocOpened = !tocOpened;
+ }
+ updateOverview();
+ };
+
+ var showHelp = function() {
+ if (tocOpened) {
+ showToc();
+ }
+
+ var help = document.getElementById('help');
+
+ if (help) {
+ help.style.marginLeft = helpOpened ? '-' + (help.clientWidth + 20) + 'px' : '0px';
+ helpOpened = !helpOpened;
+ }
+ };
+
+ var showPresenterView = function() {
+ if (isPresenterView) { return; }
+
+ if (showingPresenterView) {
+ presenterViewWin.close();
+ presenterViewWin = null;
+ showingPresenterView = false;
+ } else {
+ presenterViewWin = open(window.location.pathname + "#presenter" + currentSlideNo, 'presenter_notes',
+ 'directories=no,location=no,toolbar=no,menubar=no,copyhistory=no');
+ showingPresenterView = true;
+ }
+ };
+
+ var switch3D = function() {
+ if (document.body.className.indexOf('three-d') == -1) {
+ document.getElementsByClassName('presentation')[0].style.webkitPerspective = '1000px';
+ document.body.className += ' three-d';
+ } else {
+ window.setTimeout('document.getElementsByClassName(\'presentation\')[0].style.webkitPerspective = \'0\';', 2000);
+ document.body.className = document.body.className.replace(/three-d/, '');
+ }
+ };
+
+ var toggleOverview = function() {
+ if (!overviewActive) {
+ addClass(document.body, 'expose');
+ overviewActive = true;
+ setScale(1);
+ } else {
+ removeClass(document.body, 'expose');
+ overviewActive = false;
+ if (expanded) {
+ setScale(scale); // restore scale
+ }
+ }
+ processContext();
+ updateOverview();
+ };
+
+ var updateOverview = function() {
+ try {
+ var presentation = document.getElementsByClassName('presentation')[0];
+ } catch (e) {
+ return;
+ }
+
+ if (isPresenterView) {
+ var action = overviewActive ? removeClass : addClass;
+ action(document.body, 'presenter_view');
+ }
+
+ var toc = document.getElementById('toc');
+
+ if (!toc) {
+ return;
+ }
+
+ if (!tocOpened || !overviewActive) {
+ presentation.style.marginLeft = '0px';
+ presentation.style.width = '100%';
+ } else {
+ presentation.style.marginLeft = toc.clientWidth + 'px';
+ presentation.style.width = (presentation.clientWidth - toc.clientWidth) + 'px';
+ }
+ };
+
+ var computeScale = function() {
+ var cSlide = document.getElementsByClassName('current')[0];
+ var sx = cSlide.clientWidth / window.innerWidth;
+ var sy = cSlide.clientHeight / window.innerHeight;
+ return 1 / Math.max(sx, sy);
+ };
+
+ var setScale = function(scale) {
+ var presentation = document.getElementsByClassName('slides')[0];
+ var transform = 'scale(' + scale + ')';
+ presentation.style.MozTransform = transform;
+ presentation.style.WebkitTransform = transform;
+ presentation.style.OTransform = transform;
+ presentation.style.msTransform = transform;
+ presentation.style.transform = transform;
+ };
+
+ var expandSlides = function() {
+ if (overviewActive) {
+ return;
+ }
+ if (expanded) {
+ setScale(1);
+ expanded = false;
+ } else {
+ scale = computeScale();
+ setScale(scale);
+ expanded = true;
+ }
+ };
+
+ var showContext = function() {
+ try {
+ var presentation = document.getElementsByClassName('slides')[0];
+ removeClass(presentation, 'nocontext');
+ } catch (e) {}
+ };
+
+ var hideContext = function() {
+ try {
+ var presentation = document.getElementsByClassName('slides')[0];
+ addClass(presentation, 'nocontext');
+ } catch (e) {}
+ };
+
+ var processContext = function() {
+ if (hiddenContext) {
+ hideContext();
+ } else {
+ showContext();
+ }
+ };
+
+ var toggleContext = function() {
+ hiddenContext = !hiddenContext;
+ processContext();
+ };
+
+ var toggleBlank = function() {
+ blank_elem = document.getElementById('blank');
+
+ blank_elem.style.display = blanked ? 'none' : 'block';
+
+ blanked = !blanked;
+ };
+
+ var isModifierKey = function(keyCode) {
+ switch (keyCode) {
+ case 16: // shift
+ case 17: // ctrl
+ case 18: // alt
+ case 91: // command
+ return true;
+ break;
+ default:
+ return false;
+ break;
+ }
+ };
+
+ var checkModifierKeyUp = function(event) {
+ if (isModifierKey(event.keyCode)) {
+ modifierKeyDown = false;
+ }
+ };
+
+ var checkModifierKeyDown = function(event) {
+ if (isModifierKey(event.keyCode)) {
+ modifierKeyDown = true;
+ }
+ };
+
+ var handleBodyKeyDown = function(event) {
+ switch (event.keyCode) {
+ case 13: // Enter
+ if (overviewActive) {
+ toggleOverview();
+ }
+ break;
+ case 27: // ESC
+ toggleOverview();
+ break;
+ case 37: // left arrow
+ case 33: // page up
+ event.preventDefault();
+ prevSlide();
+ break;
+ case 39: // right arrow
+ case 32: // space
+ case 34: // page down
+ event.preventDefault();
+ nextSlide();
+ break;
+ case 50: // 2
+ if (!modifierKeyDown) {
+ showNotes();
+ }
+ break;
+ case 51: // 3
+ if (!modifierKeyDown && !overviewActive) {
+ switch3D();
+ }
+ break;
+ case 190: // .
+ case 48: // 0
+ case 66: // b
+ if (!modifierKeyDown && !overviewActive) {
+ toggleBlank();
+ }
+ break;
+ case 67: // c
+ if (!modifierKeyDown && !overviewActive) {
+ toggleContext();
+ }
+ break;
+ case 69: // e
+ if (!modifierKeyDown && !overviewActive) {
+ expandSlides();
+ }
+ break;
+ case 72: // h
+ showHelp();
+ break;
+ case 78: // n
+ if (!modifierKeyDown && !overviewActive) {
+ showSlideNumbers();
+ }
+ break;
+ case 80: // p
+ if (!modifierKeyDown && !overviewActive) {
+ showPresenterView();
+ }
+ break;
+ case 83: // s
+ if (!modifierKeyDown && !overviewActive) {
+ showSlideSources();
+ }
+ break;
+ case 84: // t
+ showToc();
+ break;
+ }
+ };
+
+ var handleWheel = function(event) {
+ if (tocOpened || helpOpened || overviewActive) {
+ return;
+ }
+
+ var delta = 0;
+
+ if (!event) {
+ event = window.event;
+ }
+
+ if (event.wheelDelta) {
+ delta = event.wheelDelta/120;
+ if (window.opera) delta = -delta;
+ } else if (event.detail) {
+ delta = -event.detail/3;
+ }
+
+ if (delta && delta <0) {
+ nextSlide();
+ } else if (delta) {
+ prevSlide();
+ }
+ };
+
+ var addSlideClickListeners = function() {
+ for (var i=0; i < slides.length; i++) {
+ var slide = slides.item(i);
+ slide.num = i + 1;
+ slide.addEventListener('click', function(e) {
+ if (overviewActive) {
+ currentSlideNo = this.num;
+ toggleOverview();
+ updateSlideClasses(true);
+ e.preventDefault();
+ }
+ return false;
+ }, true);
+ }
+ };
+
+ var addRemoteWindowControls = function() {
+ window.addEventListener("message", function(e) {
+ if (e.data.indexOf("slide#") != -1) {
+ currentSlideNo = Number(e.data.replace('slide#', ''));
+ updateSlideClasses(false);
+ }
+ }, false);
+ };
+
+ var addTouchListeners = function() {
+ document.addEventListener('touchstart', function(e) {
+ touchStartX = e.touches[0].pageX;
+ }, false);
+ document.addEventListener('touchend', function(e) {
+ var pixelsMoved = touchStartX - e.changedTouches[0].pageX;
+ var SWIPE_SIZE = 150;
+ if (pixelsMoved > SWIPE_SIZE) {
+ nextSlide();
+ }
+ else if (pixelsMoved < -SWIPE_SIZE) {
+ prevSlide();
+ }
+ }, false);
+ };
+
+ var addTocLinksListeners = function() {
+ var toc = document.getElementById('toc');
+ if (toc) {
+ var tocLinks = toc.getElementsByTagName('a');
+ for (var i=0; i < tocLinks.length; i++) {
+ tocLinks.item(i).addEventListener('click', function(e) {
+ currentSlideNo = Number(this.attributes['href'].value.replace('#slide', ''));
+ updateSlideClasses(true);
+ e.preventDefault();
+ }, true);
+ }
+ }
+ };
+
+ // initialize
+
+ (function() {
+ if (window.location.hash == "") {
+ currentSlideNo = 1;
+ } else if (window.location.hash.indexOf("#presenter") != -1) {
+ currentSlideNo = Number(window.location.hash.replace('#presenter', ''));
+ isPresenterView = true;
+ showingPresenterView = true;
+ presenterViewWin = window;
+ addClass(document.body, 'presenter_view');
+ } else {
+ currentSlideNo = Number(window.location.hash.replace('#slide', ''));
+ }
+
+ document.addEventListener('keyup', checkModifierKeyUp, false);
+ document.addEventListener('keydown', handleBodyKeyDown, false);
+ document.addEventListener('keydown', checkModifierKeyDown, false);
+ document.addEventListener('DOMMouseScroll', handleWheel, false);
+
+ window.onmousewheel = document.onmousewheel = handleWheel;
+ window.onresize = expandSlides;
+
+ for (var i = 0, el; el = slides[i]; i++) {
+ addClass(el, 'slide far-future');
+ }
+ updateSlideClasses(false);
+
+ // add support for finger events (filter it by property detection?)
+ addTouchListeners();
+
+ addTocLinksListeners();
+
+ addSlideClickListeners();
+
+ addRemoteWindowControls();
+
+ })();
+ leapEnable();
+}

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