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-rw-r--r--slides.js455
1 files changed, 0 insertions, 455 deletions
diff --git a/slides.js b/slides.js
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index db2c636..0000000
--- a/slides.js
+++ /dev/null
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1/**
2 * @constructor
3 */
4function SlideDeck() {
5 this.curSlide_ = 0;
6 this.slides = [];
7 this.config_ = null;
8
9 this.getCurrentSlideFromHash_();
10
11 document.addEventListener('DOMContentLoaded',
12 this.handleDomLoaded_.bind(this), false);
13}
14
15/**
16 * @const
17 * @private
18 */
19SlideDeck.prototype.SLIDE_CLASSES_ = ['far-past', 'past', 'current', 'next',
20 'far-next'];
21
22/**
23 * @private
24 */
25SlideDeck.prototype.getCurrentSlideFromHash_ = function() {
26 var slideNo = parseInt(document.location.hash.substr(1));
27
28 if (slideNo) {
29 this.curSlide_ = slideNo;
30 }
31};
32
33/**
34 * @private
35 */
36SlideDeck.prototype.handleDomLoaded_ = function() {
37 this.slides_ = document.querySelectorAll('slide:not(.hidden)');
38
39 // Load config
40 this.loadConfig_();
41 this.addEventListeners_();
42 this.updateSlides_();
43};
44
45/**
46 * @private
47 */
48SlideDeck.prototype.addEventListeners_ = function() {
49 document.addEventListener('keydown', this.handleBodyKeyDown_.bind(this),
50 false);
51 window.addEventListener('popstate', this.handlePopState_.bind(this),
52 false);
53};
54
55/**
56 * @private
57 * @param {Event} e
58 */
59SlideDeck.prototype.handlePopState_ = function(e) {
60 if (e.state != null) {
61 this.curSlide_ = e.state;
62 this.updateSlides_(true);
63 }
64};
65
66/**
67 * @param {Event} e
68 */
69SlideDeck.prototype.handleBodyKeyDown_ = function(e) {
70 if (/^(input|textarea)$/i.test(e.target.nodeName) ||
71 e.target.isContentEditable) {
72 return;
73 }
74
75 switch (e.keyCode) {
76 case 39: // right arrow
77 case 32: // space
78 case 34: // PgDn
79 this.nextSlide();
80 e.preventDefault();
81 break;
82
83 case 37: // left arrow
84 case 8: // Backspace
85 case 33: // PgUp
86 this.prevSlide();
87 e.preventDefault();
88 break;
89
90 case 40: // down arrow
91 //if (this.isChromeVoxActive()) {
92 // speakNextItem();
93 //} else {
94 this.nextSlide();
95 //}
96 e.preventDefault();
97 break;
98
99 case 38: // up arrow
100 //if (this.isChromeVoxActive()) {
101 // speakPrevItem();
102 //} else {
103 this.prevSlide();
104 //}
105 e.preventDefault();
106 break;
107
108 case 78: // N
109 document.body.classList.toggle('with-notes');
110 break;
111
112 case 27: // ESC
113 document.body.classList.remove('with-notes');
114 break;
115
116 //case 13: // Enter
117 case 70: // F
118 // Only respect 'f'/enter on body. Don't want to capture keys from <input>
119 if (e.target == document.body) {
120 if (e.keyCode != 13 && !document.webkitIsFullScreen) {
121 document.body.webkitRequestFullScreen(Element.ALLOW_KEYBOARD_INPUT);
122 } else {
123 document.webkitCancelFullScreen();
124 }
125 }
126 break;
127 }
128};
129
130/**
131 * @private
132 */
133SlideDeck.prototype.loadConfig_ = function() {
134 var configScripts =
135 document.querySelector('script[type="text/slide-config"]');
136 if (configScripts) {
137 eval(configScripts.innerHTML);
138 this.config_ = slideConfig;
139 }
140
141 var settings = this.config_.settings;
142
143 this.loadTheme_(settings.theme || 'default');
144
145 if (settings.favIcon) {
146 this.addFavIcon_(settings.favIcon);
147 }
148
149 if (settings.title) {
150 document.title = settings.title;
151 }
152
153 if (settings.usePrettify || true) {
154 console.log('Use prettify');
155 }
156
157 if (settings.analyticsId) {
158 this.loadAnalytics_();
159 }
160
161 if (settings.fonts) {
162 this.addFonts_(settings.fonts);
163 }
164
165 if (settings.useBuilds || true) {
166 this.makeBuildLists_();
167 }
168};
169
170/**
171 * @private
172 * @param {Array.<string>} fonts
173 */
174SlideDeck.prototype.addFonts_ = function(fonts) {
175 var el = document.createElement('link');
176 el.rel = 'stylesheet';
177 el.href = 'http://fonts.googleapis.com/css?family=' + fonts.join('|') + '&v2';
178 document.querySelector('head').appendChild(el);
179
180};
181
182/**
183 * @private
184 */
185SlideDeck.prototype.buildNextItem_ = function() {
186 var slide = this.slides_[this.curSlide_];
187 var toBuild = slide.querySelector('.to-build');
188 var built = slide.querySelector('.build-current');
189
190 if (built) {
191 built.classList.remove('build-current');
192 if (built.classList.contains('fade')) {
193 built.classList.add('build-fade');
194 }
195 }
196
197 if (!toBuild) {
198 var items = slide.querySelectorAll('.build-fade');
199 for (var j = 0, item; item = items[j]; j++) {
200 item.classList.remove('build-fade');
201 }
202 return false;
203 }
204
205 toBuild.classList.remove('to-build');
206 toBuild.classList.add('build-current');
207
208 /*if (isChromeVoxActive()) {
209 speakAndSyncToNode(toBuild);
210 }*/
211
212 return true;
213};
214
215/**
216 * @param {boolean=} opt_dontPush
217 */
218SlideDeck.prototype.prevSlide = function(opt_dontPush) {
219 if (this.curSlide_ > 1) {
220 this.curSlide_--;
221
222 this.updateSlides_(opt_dontPush);
223 }
224};
225
226/**
227 * @param {boolean=} opt_dontPush
228 */
229SlideDeck.prototype.nextSlide = function(opt_dontPush) {
230
231 if (this.buildNextItem_()) {
232 return;
233 }
234
235 if (this.curSlide_ < this.slides_.length - 1) {
236 this.curSlide_++;
237
238 this.updateSlides_(opt_dontPush);
239 }
240};
241
242/**
243 * @private
244 */
245SlideDeck.prototype.updateSlides_ = function(opt_dontPush) {
246 var dontPush = opt_dontPush || false;
247
248 var curSlide = this.curSlide_;
249 for (var i = 0; i < this.slides_.length; i++) {
250 switch (i) {
251 case curSlide - 2:
252 this.updateSlideClass_(i, 'far-past');
253 break;
254 case curSlide - 1:
255 this.updateSlideClass_(i, 'past');
256 break;
257 case curSlide:
258 this.updateSlideClass_(i, 'current');
259 break;
260 case curSlide + 1:
261 this.updateSlideClass_(i, 'next');
262 break;
263 case curSlide + 2:
264 this.updateSlideClass_(i, 'far-next');
265 break;
266 default:
267 this.updateSlideClass_(i);
268 break;
269