9 SWS.Utils = new function () {
12 self.isUndefined = function (o) { return typeof o == "undefined"; };
13 self.push2 = function (t, i, v) {
14 if ((typeof t[i]) == 'undefined') {
21 self.isEmpty = function (o) {
22 for(var _ in o) return false;
26 self.parseFrameSpec = function (s) {
27 var elems = s.split("_");
31 for(var i = 0; i < elems.length; i++){
32 var bounds = elems[i].split("-");
33 if (bounds.length > 2 || bounds.length == 0) return {};
34 if (bounds.length == 1) bounds[1] = bounds[0];
35 var a = parseInt(bounds[0]);
36 var b = parseInt(bounds[1])
37 if (!isFinite(a) || !isFinite(b)) return {};
38 a = Math.min(a, 1000); // don't allow more than 1000 frames/slide
39 b = Math.min(b, 1000);
40 if (b > max_value) max_value = b;
41 for (var j = a; j <= b; j++)
47 self.getParameterByName = function (name) {
48 name = name.replace(/[\[]/, "\\\[").replace(/[\]]/, "\\\]");
49 var regex = new RegExp("[\\?&]" + name + "=([^&#]*)"),
50 results = regex.exec(location.search);
51 return results == null ? "" : decodeURIComponent(results[1].replace(/\+/g, " "));
58 SWS.Templates = new function () {
60 self.controlPanel = "<div id='sws-control-panel-canvas'><div id='sws-control-panel'>\
61 <div id='sws-control-panel-title-bar'>\
62 <a title='Toggle fullscreen' id='sws-control-panel-fullscreen' class='sws-symbol' onclick='SWS.Presentation.toggleFullScreen();'></a>\
63 <a title='Close panel' id='sws-control-panel-close' onclick='$(\"#sws-control-panel-canvas\").toggle();'>✖</a>\
65 <div id='sws-control-panel-options'>\
66 <span title='Change the aspect ratio' class='sws-symbol' >💻</span><select id='sws-aspect-select' onchange='SWS.Presentation.changeAspect();'>\
67 <option value='sws-aspect-4-3'>4:3</option>\
68 <option value='sws-aspect-16-9'>16:9</option>\
69 <option value='sws-aspect-16-10'>16:10</option>\
71 <span title='Change the theme' class='sws-symbol'>🎨</span><select id='sws-theme-select' onchange='SWS.Presentation.changeTheme();'></select>\
72 <a onclick='SWS.Presentation.openPrint()' ><span title='Open Print-Out' class='sws-symbol'></span></a>\
74 <div id='sws-control-panel-navigation'>\
75 <a title='First slide' class='sws-symbol' onclick='SWS.Presentation.goToSlide(SWS.Presentation.firstSlide());' >⏮</a>\
76 <a title='Previous slide' class='sws-symbol' onclick='SWS.Presentation.previousSlide();SWS.Presentation.refresh();'>⏪</a>\
77 <a title='Previous step' class='sws-symbol' style='-webkit-transform: scaleX(-1);' onclick='SWS.Presentation.previous();SWS.Presentation.refresh();'>▶</a>\
78 <a title='Next step' class='sws-symbol' onclick='SWS.Presentation.next();SWS.Presentation.refresh();'>▶</a>\
79 <a title='Next slide' class='sws-symbol' onclick='SWS.Presentation.nextSlide();SWS.Presentation.refresh();'>⏩</a>\
80 <a title='Last slide' class='sws-symbol' onclick='SWS.Presentation.goToSlide(SWS.Presentation.lastSlide());'>⏭</a>\
82 <span class='sws-symbol'></span><input type='text' id='sws-control-panel-slide-input' oninput='SWS.Presentation.goToSlide($(\"#sws-control-panel-slide-input\").val()-1);'></input><span id='sws-control-panel-total-slides'></span>\
83 <input type='range' title='Navigate the presentation' id='sws-control-panel-navigation-bar' onchange='SWS.Presentation.navigate();' step='1'></input>\
87 self.slideActivate = function (o) {
88 if (!(o.hasClass("sws-active-slide"))){
89 o.removeClass("sws-inactive-slide").addClass("sws-active-slide");
93 self.slideDeactivate = function (o) {
94 if (!(o.hasClass("sws-inactive-slide"))){
95 o.removeClass("sws-active-slide").addClass("sws-inactive-slide");
99 self.slideChange = function (from, to) {
100 var canvas = $(".sws-canvas");
101 self.slideDeactivate($(canvas[from]));
102 self.slideActivate($(canvas[to]));
105 self.objectActivate = function (o) {
106 if (!(o.hasClass("sws-active-object"))){
107 o.removeClass("sws-inactive-object").addClass("sws-active-object");
113 self.objectDeactivate = function (o) {
114 if (!(o.hasClass("sws-inactive-object"))){
115 o.addClass("sws-inactive-object").removeClass("sws-active-object");
121 self.updateFooter = function (o) {
122 var footer = o.find(".sws-footer");
123 if (footer.length && (footer.children("*").length == 0)) {
124 var i = SWS.Presentation.getCurrentSlide();
125 var cur = $( "<span class='sws-current-slide-number'>"
128 var sep = $( "<span class='sws-slide-num-sep' />");
129 var tot = $( "<span class='sws-last-slide-number'>"
130 + (SWS.Presentation.getNumSlides())
132 footer.append(cur).append(sep).append(tot);
135 self.updateHeader = function (o) {};
137 SWS.ConfigBuilder = function () {
139 self['sws-object-activate'] = SWS.Templates.objectActivate;
140 self['sws-object-deactivate'] = SWS.Templates.objectDeactivate;
141 self['sws-slide-change'] = SWS.Templates.slideChange;
142 self['sws-update-footer'] = SWS.Templates.updateFooter;
143 self['sws-update-header'] = SWS.Templates.updateHeader;
146 SWS.Defaults = new SWS.ConfigBuilder ();
148 SWS.Config = new SWS.ConfigBuilder ();
151 SWS.Effects = new function () {
154 self.objectDeactivateFadeOut = function (o) {
155 o.animate({'opacity': '0'}, 200,
158 SWS.Templates.objectDeactivate(o);
162 self.objectActivateFadeIn = function (o) {
164 if (SWS.Templates.objectActivate(o)){
165 o.animate({'opacity': '1' }, 200);
170 self.slideChangeHorizontalFlip = function (from, to){
171 var f = SWS.Presentation.getSlide(from);
172 var t = SWS.Presentation.getSlide(to);
173 f.animate({ 'left': '50%', 'width': '0pt', 'opacity':'0' }, 150,
175 SWS.Templates.slideDeactivate(f);
176 f.css({'left':'0%', 'width': '100%'});
177 t.css({ 'left': '50%', 'width': '0pt','opacity':'0' });
178 SWS.Templates.slideActivate(t);
179 t.animate({'left':'0%', 'width': '100%','opacity':'1'});
182 self.slideChangeFadeOutIn = function (from, to) {
183 var f = SWS.Presentation.getSlide(from);
184 var t = SWS.Presentation.getSlide(to);
185 f.animate({ 'opacity': '0'}, 150,
186 function () { SWS.Templates.slideDeactivate(f);
187 SWS.Templates.slideActivate(t);
188 t.css('opacity', '0');
189 t.animate({ 'opacity': '1'}, 150);
192 self.slideChangeHorizontalSlide = function (from, to) {
193 var f = SWS.Presentation.getSlide(from);
194 var t = SWS.Presentation.getSlide(to);
196 t.css('left', '100%');
197 t.css('opacity', '1');
198 SWS.Templates.slideActivate(t);
199 f.animate({ 'left': '-100%' }, 250, function () { SWS.Templates.slideDeactivate(f);
200 f.css('opacity', '0');
201 t.animate({ 'left': '0%' }, 250);
204 t.css('left', '-100%');
205 SWS.Templates.slideActivate(t);
206 f.animate({ 'left': '100%' }, 250, function () { SWS.Templates.slideDeactivate(f);
207 f.css('opacity', '0');
209 t.css('opacity', '1');
210 t.animate({ 'left': '0%' }, 250);
215 self.slideChangeVerticalSlide = function (from, to) {
216 var f = SWS.Presentation.getSlide(from);
217 var t = SWS.Presentation.getSlide(to);
219 t.css('top', '100%');
220 SWS.Templates.slideActivate(t);
221 f.animate({ 'top': '-100%' }, 250, function () { SWS.Templates.slideDeactivate(f); });
222 t.animate({ 'top': '0%' }, 250);
224 t.css('top', '-100%');
225 SWS.Templates.slideActivate(t);
226 f.animate({ 'top': '100%' }, 250, function () { SWS.Templates.slideDeactivate(f); });
227 t.animate({ 'top': '0%' }, 250);
233 SWS.Fullscreen = new function () {
236 if (SWS.Utils.isUndefined(document.fullScreen)) {
237 if (SWS.Utils.isUndefined(document.mozfullScreen)) {
238 self.status = function () { return document.webkitIsFullScreen; };
239 self.enter = function(e) {
240 e.webkitRequestFullScreen();
242 self.exit = function () {
243 document.webkitCancelFullScreen();
247 self.status = function () { return document.mozfullScreen; };
248 self.enter = function(e) {
249 e.mozRequestFullScreen();
251 self.exit = function () {
252 document.mozCancelFullScreen();
257 self.status = function () { return document.fullScreen; };
258 self.enter = function(e) {
259 e.requestFullScreen();
261 self.exit = function () {
262 document.cancelFullScreen();
270 SWS.Presentation = new function () {
275 //TODO move outside of the Presentation object
279 var _initialized = false;
280 var _disable_input_events = false;
281 var _print_mode = false;
282 var _slide_callbacks = new Array ();
283 var _total_steps = -1;
284 var _current_theme = "";
286 self.getNumSlides = function () { return _total_slides; };
288 self.getSlide = function(i) {
289 return $($(".sws-canvas")[i]);
292 self.registerCallback = function (i, f) {
293 if (_initialized) return;
294 //jQuery does not seem to work well
296 var slides = $(".sws-slide");
297 var h1s = $("body").children("h1");
298 var slide_num = slides.add(h1s).length - 1;
300 SWS.Utils.push2(_slide_callbacks, slide_num,{ 'fn': f, 'frame': i });
304 if (typeof(Storage)!=="undefined"){
305 self.getCurrentSlide = function () {
306 //unary + casts to integer
307 var i = +(sessionStorage.getItem("current_slide"));
308 if (!(i >= 0 && i < self.getNumSlides())){
315 self.setCurrentSlide = function (i) {
316 sessionStorage.setItem("current_slide", i);
320 var _current_slide = 0;
321 self.getCurrentSlide = function () { return _current_slide; };
322 self.setCurrentSlide = function (i) { _current_slide = i; };
325 self.firstSlide = function () { return 0; };
326 self.lastSlide = function () { return self.getNumSlides() - 1; };
327 self.refresh = function () {
328 /* block upcoming input event until all animations are finished */
329 _disable_input_events = true;
331 var canvas = $(".sws-canvas");
332 var from_slide_num = canvas.index($(".sws-active-slide"));
333 var to_slide_num = self.getCurrentSlide();
334 var watch_slide_anim = false;
335 var to_slide = $(canvas[to_slide_num]);
336 var from_slide = $(canvas[from_slide_num]);
337 var slide_change = (from_slide_num != to_slide_num);
340 var info = to_slide.data("sws-frame-info");
341 SWS.Config['sws-update-header'](to_slide);
342 SWS.Config['sws-update-footer'](to_slide);
345 //Launch a slide transition:
346 SWS.Config['sws-slide-change'](from_slide_num, to_slide_num);
347 watch_slide_anim = true;
348 for (var i = 0; i < info.callbacks.at_slide.length;i++){
349 info.callbacks.at_slide[i](to_slide);
354 var cur = info.current;
355 var custom = info.custom;
356 var real_slide = to_slide.find(".sws-slide");
358 real_slide.find("*").andSelf().each(function (i){
359 var frameset = $(this).data("sws-frame-set") || {};
361 SWS.Config['sws-object-activate']($(this));
363 SWS.Config['sws-object-deactivate']($(this));
366 if (callbacks = info.callbacks.at_frame[self.getCurrentFrame()]){
367 for (var k = 0; k < callbacks.length; k++)
368 callbacks[k]($(to_slide));
371 var all = $(from_slide).add(to_slide);
372 all.find("*").addBack().promise().done(function() {
373 _disable_input_events = false;
377 self.nextSlide = function () {
378 self.setCurrentSlide(Math.min(self.getCurrentSlide()+1,
380 self.setCurrentFrame(self.firstFrame());
383 self.previousSlide = function () {
384 self.setCurrentSlide(Math.max(self.getCurrentSlide()-1,
386 self.setCurrentFrame(self.firstFrame());
389 self.getFrameInfo = function () {
391 var i = self.getCurrentSlide();
392 var canvas = $($(".sws-canvas")[i]);
393 var infos = canvas.data("sws-frame-info");
397 self.getTotalSteps = function () {
398 if (_total_steps >= 0) return _total_steps;
400 $(".sws-canvas").each(function(i) {
401 var canvas = $($(".sws-canvas")[i]);
402 var infos = canvas.data("sws-frame-info");
403 _total_steps += infos.last + 1;
408 self.getCurrentFrame = function () { return self.getFrameInfo().current; };
409 self.setCurrentFrame = function (i) { self.getFrameInfo().current = i; };
410 self.firstFrame = function () { return 0; };
411 self.lastFrame = function () { return self.getFrameInfo().last; };
413 self.nextFrame = function () {
414 self.setCurrentFrame(Math.min(self.getCurrentFrame()+1,
418 self.previousFrame = function () {
419 self.setCurrentFrame(Math.max(self.getCurrentFrame()-1,
423 self.next = function () {
424 var i = self.getCurrentFrame();
425 if (i == self.lastFrame()) {
427 self.setCurrentFrame(self.firstFrame());
432 self.previous = function () {
433 var i = self.getCurrentFrame();
434 if (i == self.firstFrame()){
435 self.previousSlide();
436 self.setCurrentFrame(self.lastFrame());
439 self.previousFrame();
442 self.goToSlide = function (s, f) {
443 if (SWS.Utils.isUndefined(f))
445 if (!(s >= self.firstSlide() && s <= self.lastSlide())) return;
446 self.setCurrentSlide(s);
447 if (!(f >= self.firstFrame() && f <= self.lastFrame())) f = 0;
448 self.setCurrentFrame(f);
452 self.cycleStyle = function() {
453 var styles = $("head").children('link[rel$="stylesheet"][title]');
454 var j = styles.index(styles.filter(':not(:disabled)'));
455 styles[j].disabled = true;
456 if (++j == styles.length) j = 0;
457 styles[j].disabled = false;
461 self.printMode = function () {
463 var progress = $("<div style='position:fixed;top:0pt;left:0pt;background:white;color:black;width:100%;height:100vh;z-index:200;' id='sws-print-progress'>Rendering presentation: <span id='sws-percent-progress'></span>%</div>");
464 $("body").append(progress);
466 $("html").removeClass("sws-display").addClass("sws-print");
468 var steps = self.getTotalSteps();
469 var total_steps = steps;
473 //Crazy workaround for chromium
474 ($("link.sws-theme[rel='stylesheet']")[0]).disabled = false;
475 $(".sws-canvas").find("*").addBack().promise().done(function() {
476 var percent = ((total_steps - steps) / total_steps) * 100;
477 $("#sws-percent-progress").text(Math.round(percent));
478 SWS.Config['sws-slide-change'] = SWS.Templates.slideChange;
480 $($(".sws-canvas")[self.getCurrentSlide()]).css('opacity', 1 );
486 $("#sws-percent-progress").text(100);
494 self.buildFullTOC = function () {
496 var build_sections = function (doc) {
498 var h1s = doc.find("body").first().children("h1");
499 var slides = doc.find("body").first().children(".sws-slide");
501 var collection = h1s.add(slides);
502 collection.each (function () {
503 if ($(this).is("h1")) {
504 res.push({ 'title' : $(this).text(),
505 'slide' : slide_num });
515 var append = function (a,e) {
518 var prepend = function (a,e) {
522 var loop = function (doc, dir, add, ignoreFirst) {
523 if (ignoreFirst !== true) {
524 var this_toc = { 'title' : doc.find("title").first().text(),
525 'sections' : build_sections(doc) };
528 var url = doc.find(dir).first().attr("href");
529 if (!SWS.Utils.isUndefined(url) && url != "") {
530 $.ajax({ 'url' : url, 'async' : false ,'success' : function (page) {
531 loop ($(page), dir, add, false);
535 loop ($(document), ".sws-previous", prepend, false);
543 self.inputHandler = function (event) {
544 if (_disable_input_events || _print_mode) return;
546 switch (event.type) {
548 _xstart = event.changedTouches[0].clientX;
552 var dist = event.changedTouches[0].clientX - _xstart;
553 if (dist > 20) code = 37
554 else if (dist < -20) code = 39
555 else if (!$("#sws-control-panel-canvas").is(":visible")) code = 67;
565 self.setCurrentSlide(self.firstSlide());
569 self.setCurrentSlide(self.lastSlide());
572 case 34: /* PgDown */
574 if (self.getCurrentSlide() == self.lastSlide()
575 && self.getCurrentFrame() == self.lastFrame()) return;
581 case 8: /* backspace */
587 self.previousSlide();
593 $("#sws-control-panel-canvas").toggle();
603 function init_canvas(canvas, custom) {
605 var last_frame = canvas.find(".sws-pause").length;
606 //Add all regular elements to the frame list
607 var slide = $(canvas.find(".sws-slide")[0]);
609 var callbacks = { at_slide : new Array(),
610 at_frame : new Array() }
612 if (SWS.Utils.isUndefined(custom)) {
613 custom = new Array ();
616 for (var i = 0; i < custom.length; i++) {
617 if (isFinite(custom[i].frame)){
618 var num = +(custom[i].frame);
619 if (num > last_frame) last_frame = num;
620 SWS.Utils.push2(callbacks.at_frame, num, custom[i].fn);
621 } else if (custom[i].frame == "slide")
622 callbacks.at_slide.push(custom[i].fn);
624 var frame_set = SWS.Utils.parseFrameSpec(custom[i].frame);
625 for(var f in frame_set){
626 if (f > last_frame) last_frame = f;
627 SWS.Utils.push2(callbacks.at_frame, +(f), custom[i].fn);
632 var specials = $([]);
634 slide.find('*[class*="sws-onframe-"]').each(function(_){
635 var cls = $(this).attr('class');
636 var idx = cls.indexOf("sws-onframe-");
638 var end = cls.indexOf(" ", idx);
639 end = (end == -1) ? cls.length : end;
640 var spec = cls.substring(idx+12, end);
641 var o = SWS.Utils.parseFrameSpec(spec);
643 if (f > last_frame) last_frame = f;
644 $(this).find("*").andSelf().each(function(_){
645 if (!SWS.Utils.isEmpty(o)){
646 $(this).data("sws-frame-set", o);
648 specials = specials.add($(this));
653 slide.find("*").andSelf().not(specials).each(function(i) {
654 if ($(this).hasClass("sws-pause")) cur_frame++;
656 for (var j = cur_frame; j <= last_frame; j++)
658 if (!SWS.Utils.isEmpty(o))
659 $(this).data("sws-frame-set", o);
662 canvas.data("sws-frame-info", { current: 0,
663 last: (last_frame - 0), // force cast to integer
669 /* Forces redrawing the page without reloading */
670 self.redraw = function (f) {
671 if (SWS.Utils.isUndefined(f))
672 $("body").hide().show(400, function () {
673 $("body").css("display","block");
674 if (!SWS.Utils.isUndefined(f))
678 self.changeAspect = function() {
679 $("html").removeClass("sws-aspect-4-3")
680 .removeClass("sws-aspect-16-9")
681 .removeClass("sws-aspect-16-10")
682 .addClass($("#sws-aspect-select").val());
686 self.getCurrentTheme = function () {
687 var l = $("link.sws-theme[rel='stylesheet']")[0];
695 self.changeTheme = function (name) {
697 if (typeof name === 'undefined')
698 theme_name = $("#sws-theme-select").val()
702 _current_theme = theme_name;
703 $("link.sws-theme").each (function (i) {
706 if (title == theme_name) {
707 e.rel = "stylesheet";
711 e.rel = "alternate stylesheet";
720 self.openPrint = function () {
721 window.open ("?mode=print&theme=" + self.getCurrentTheme());
723 var _fullscreen_icon_on = "";
724 var _fullscreen_icon_off = "";
726 self.toggleFullScreen = function () {
727 if (SWS.Fullscreen.status()) {
728 SWS.Fullscreen.exit();
729 $("a#sws-control-panel-fullscreen")
730 .html(_fullscreen_icon_off);
735 SWS.Fullscreen.enter($("body")[0]);
736 $("a#sws-control-panel-fullscreen")
737 .html(_fullscreen_icon_on);
740 function _update_ui() {
741 var nav = $('#sws-control-panel-navigation-bar');
742 nav.val(SWS.Presentation.getCurrentSlide() + 1);
743 $('#sws-control-panel-slide-input').val(nav.val());
745 self.navigate = function () {
746 self.goToSlide($("#sws-control-panel-navigation-bar").val()-1);
751 self.init = function () {
754 $("html").addClass("sws-display");
755 //$(window).resize(self.redraw);
757 var slides = $(".sws-slide");
758 var h1s = $("body").children("h1");
759 var slide_num = slides.add(h1s).length - 1;
761 _total_slides = $(".sws-slide").add($("body").children("h1")).length;
763 var cur = self.getCurrentSlide();
764 var toc = self.buildFullTOC();
765 var common_html = "<div class='sws-slide sws-toc'><h1>Plan</h1><ul style='list-style-type:none'>";
767 for (i= 0; i < toc.length - 1; i++)
768 common_html += "<li class='done'>" + (i+1) +
769 ' ' + toc[i].title + "</li>";
771 common_html += "<li>" + toc.length + ' ' + toc[toc.length - 1].title;
772 common_html += "<ul style='list-style-type:none' >";
773 var sections = toc[toc.length - 1].sections;
774 $("body").children("h1").each(function (i) {
775 var this_html = common_html;
777 var secnum = toc.length + '.';
778 for (j = 0; j < i; ++j)
779 this_html += "<li class='done'>" + secnum + (j+1) + ' ' +
780 sections[j].title + "</li>";
781 this_html += "<li class='hl'>" + secnum + (i+1) + ' ' +
782 sections[i].title + "</li>";
783 for (j = i+1; j < sections.length; j++)
784 this_html += "<li>" + secnum + (j+1) + ' '
785 +sections[j].title + "</li>";
786 this_html += "</ul></li></ul></div>";
787 $(this).after(this_html);
790 $(".sws-slide").each(function (i) {
792 var par = $(this).parent();
796 var canvas = $('<div class="sws-canvas"/>');
798 if (!($(this).hasClass("sws-option-noheader"))) {
799 canvas.append($('<div class="sws-header"/>'));
801 if (!$(this).hasClass("sws-cover")) {
802 var title = $($(this).find("h1")[0]);
803 var title_div = $('<div class="sws-title" />');
804 title_div.append(title);
805 canvas.append(title_div);
807 var inner = $('<div class="sws-inner-canvas"/>');
808 var content = $('<div class="sws-content"/>');
809 $(this).find('script[type="text/javascript"]').remove();
810 content.append($(this));
811 inner.append(content);
812 canvas.append(inner);
814 if (!($(this).hasClass("sws-option-nofooter"))) {
815 canvas.append($('<div class="sws-footer"/>'));
822 .addClass("sws-active-slide")
823 .removeClass("sws-inactive-slide");
826 .addClass("sws-inactive-slide")
827 .removeClass("sws-active-slide");
829 init_canvas(canvas,_slide_callbacks[i]);
833 // Initialize the control panel
834 $("body").append($(SWS.Templates.controlPanel));
835 // Fill the theme switcher
836 $("link.sws-theme").each (function (i) {
838 var opt = "<option value='";
839 opt += e.attr("title");
841 if (e.attr("rel") == "stylesheet") {
842 opt+= "selected='selected'";
844 opt += ">" + e.attr("title") + "</option>";
845 $("#sws-theme-select").append($(opt));
847 // Set the fullscreen icon
848 if (SWS.Fullscreen.status()) {
849 $("a#sws-control-panel-fullscreen")
850 .html(_fullscreen_icon_on);
852 $("a#sws-control-panel-fullscreen")
853 .html(_fullscreen_icon_off);
855 // Put the navigation range at the correct position
856 var nav = $('#sws-control-panel-navigation-bar');
857 nav.attr("min", SWS.Presentation.firstSlide() + 1);
858 nav.attr("max", SWS.Presentation.lastSlide() + 1);
859 $('#sws-control-panel-total-slides').text('/' + SWS.Presentation.getNumSlides());
862 _slide_callbacks = null; /* avoid a leak */
863 var passed_theme = SWS.Utils.getParameterByName("theme");
866 //workaround weird chrome CSS loading bug
869 if (passed_theme == "")
872 self.changeTheme(passed_theme);
873 if (SWS.Utils.getParameterByName("mode") == "print") {
878 $(document).keydown(self.inputHandler);
879 document.body.addEventListener('touchstart',self.inputHandler, false);
880 document.body.addEventListener('touchend',self.inputHandler, false);