1 line
10 KiB
JavaScript
1 line
10 KiB
JavaScript
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window.shower=function(window,document,undefined){var shower={},url=window.location,body=document.body,slides=document.querySelectorAll(".slide"),progress=document.querySelector("div.progress div"),slideList=[],timer,isHistoryApiSupported=!!(window.history&&history.pushState),l=slides.length,i;shower._getData=function(element,name){return element.dataset?element.dataset[name]:element.getAttribute("data-"+name)};for(i=0;i<l;i++){if(!slides[i].id){slides[i].id=i+1}slideList.push({id:slides[i].id,hasInnerNavigation:null!==slides[i].querySelector(".next"),hasTiming:shower._getData(slides[i],"timing")&&shower._getData(slides[i],"timing").indexOf(":")!==-1})}shower._getTransform=function(){var denominator=Math.max(body.clientWidth/window.innerWidth,body.clientHeight/window.innerHeight);return"scale("+1/denominator+")"};shower._applyTransform=function(transform){body.style.WebkitTransform=transform;body.style.MozTransform=transform;body.style.msTransform=transform;body.style.OTransform=transform;body.style.transform=transform;return true};shower._isNumber=function(arg){if(!(!isNaN(parseFloat(arg))&&isFinite(arg))){return false}return true};shower._normalizeSlideNumber=function(slideNumber){if(!shower._isNumber(slideNumber)){throw new Error("Gimme slide number as Number, baby!")}if(slideNumber<0){slideNumber=0}if(slideNumber>=slideList.length){slideNumber=slideList.length-1}return slideNumber};shower._getContainingSlideId=function(el){while("BODY"!==el.nodeName&&"HTML"!==el.nodeName){if(el.classList.contains("slide")){return el.id}else{el=el.parentNode}}return""};shower._dispatchSingleSlideMode=function(e){if("A"===e.target.nodeName){e.preventDefault();window.open(e.target.getAttribute("href"));return}var slideId=shower._getContainingSlideId(e.target);if(""!==slideId&&shower.isListMode()){e.preventDefault();url.hash="#"+slideId;if(isHistoryApiSupported){history.replaceState(null,null,url.pathname+"?full#"+slideId)}shower.enterSlideMode();shower.updateProgress(shower.getCurrentSlideNumber());shower.updateCurrentAndPassedSlides(shower.getCurrentSlideNumber());shower.runSlideshowIfPresented(shower.getCurrentSlideNumber())}return};shower.next=function(callback){var currentSlideNumber=shower.getCurrentSlideNumber(),ret;if(-1===currentSlideNumber||!slideList[currentSlideNumber].hasInnerNavigation||-1===shower.increaseInnerNavigation(currentSlideNumber)){shower.go(currentSlideNumber+1);ret=currentSlideNumber+2;if(typeof callback==="function"){callback()}}else{ret=false}return ret};shower.previous=function(callback){var currentSlideNumber=shower.getCurrentSlideNumber(),ret;if(currentSlideNumber>0){ret=currentSlideNumber;shower.go(currentSlideNumber-1);if(typeof callback==="function"){callback()}}else{ret=false}return ret};shower.first=function(callback){if(typeof callback==="function"){callback()}return shower.go(0)};shower.last=function(callback){if(typeof callback==="function"){callback()}return shower.go(slideList.length-1)};shower.enterSlideMode=function(callback){if(body.classList.contains("full")){return false}body.classList.remove("list");body.classList.add("full");if(window.console&&window.console.clear){console.clear()}shower.showPresenterNotes(shower.getCurrentSlideNumber());if(typeof callback==="function"){callback()}return shower._applyTransform(shower._getTransform())};shower.enterListMode=function(callback){if(body.classList.contains("list")){return false}body.classList.remove("full");body.classList.add("list");if(typeof callback==="function"){callback()}return shower._applyTransform("none")};shower.getCurrentSlideNumber=function(){var i=slideList.length-1,currentSlideId=url.hash.substr(1);for(;i>=0;--i){if(currentSlideId===slideList[i].id){return i}}return-1};shower.scrollToSlide=function(slideNumber){var currentSlide,ret;if(!shower._isNumber(slideNumber)){throw new Error("Gimme slide number as Number, baby!")}if(!shower.isListMode()){throw new Error("You can't scroll to because you in slide mode. Please, switch to list mode.")}if(-1===slideNumber){return}if(slideList[slideNumber]){currentSlide=document.getElementById(sl
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