2020-11-08 13:02:25 -08:00
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!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?module.exports=t(require("video.js")):"function"==typeof define&&define.amd?define(["video.js"],t):(e=e||self).videojsVttThumbnails=t(e.videojs)}(this,function(i){"use strict";i=i&&Object.prototype.hasOwnProperty.call(i,"default")?i.default:i;function e(s){var r=this;this.ready(function(){var e,t;e=r,t=i.mergeOptions(n,s),e.addClass("vjs-vtt-thumbnails"),e.vttThumbnails=new a(e,t)})}var n={},o={},t=i.registerPlugin||i.plugin,a=function(){function e(e,t){return this.player=e,this.options=t,this.listenForDurationChange(),this.initializeThumbnails(),this.registeredEvents={},this}var t=e.prototype;return t.src=function(e){this.resetPlugin(),this.options.src=e,this.initializeThumbnails()},t.detach=function(){this.resetPlugin()},t.resetPlugin=function(){this.thumbnailHolder&&this.thumbnailHolder.parentNode.removeChild(this.thumbnailHolder),this.progressBar&&(this.progressBar.removeEventListener("mouseenter",this.registeredEvents.progressBarMouseEnter),this.progressBar.removeEventListener("mouseleave",this.registeredEvents.progressBarMouseLeave),this.progressBar.removeEventListener("mousemove",this.registeredEvents.progressBarMouseMove)),delete this.registeredEvents.progressBarMouseEnter,delete this.registeredEvents.progressBarMouseLeave,delete this.registeredEvents.progressBarMouseMove,delete this.progressBar,delete this.vttData,delete this.thumbnailHolder,delete this.lastStyle},t.listenForDurationChange=function(){this.player.on("durationchange",function(){})},t.initializeThumbnails=function(){var e,t,s=this;this.options.src&&(e=this.getBaseUrl(),t=this.getFullyQualifiedUrl(this.options.src,e),this.getVttFile(t).then(function(e){s.vttData=s.processVtt(e),s.setupThumbnailElement()}))},t.getBaseUrl=function(){return[window.location.protocol,"//",window.location.hostname,window.location.port?":"+window.location.port:"",window.location.pathname].join("").split(/([^\/]*)$/gi).shift()},t.getVttFile=function(r){var i=this;return new Promise(function(e,t){var s=new XMLHttpRequest;s.data={resolve:e},s.addEventListener("load",i.vttFileLoaded),s.open("GET",r),s.overrideMimeType("text/plain; charset=utf-8"),s.send()})},t.vttFileLoaded=function(){this.data.resolve(this.responseText)},t.setupThumbnailElement=function(){var e=this,t=null;this.options.showTimestamp||(t=this.player.$(".vjs-mouse-display"));var s=document.createElement("div");s.setAttribute("class","vjs-vtt-thumbnail-display"),this.progressBar=this.player.$(".vjs-progress-control"),this.progressBar.appendChild(s),this.thumbnailHolder=s,t&&!this.options.showTimestamp&&t.classList.add("vjs-hidden"),this.registeredEvents.progressBarMouseEnter=function(){return e.onBarMouseenter()},this.registeredEvents.progressBarMouseLeave=function(){return e.onBarMouseleave()},this.progressBar.addEventListener("mouseenter",this.registeredEvents.progressBarMouseEnter),this.progressBar.addEventListener("mouseleave",this.registeredEvents.progressBarMouseLeave)},t.onBarMouseenter=function(){var t=this;this.mouseMoveCallback=function(e){t.onBarMousemove(e)},this.registeredEvents.progressBarMouseMove=this.mouseMoveCallback,this.progressBar.addEventListener("mousemove",this.registeredEvents.progressBarMouseMove),this.showThumbnailHolder()},t.onBarMouseleave=function(){this.registeredEvents.progressBarMouseMove&&this.progressBar.removeEventListener("mousemove",this.registeredEvents.progressBarMouseMove),this.hideThumbnailHolder()},t.getXCoord=function(e,t){var s=e.getBoundingClientRect(),r=document.documentElement;return t-(s.left+(window.pageXOffset||r.scrollLeft||0))},t.onBarMousemove=function(e){this.updateThumbnailStyle(i.dom.getPointerPosition(this.progressBar,e).x,this.progressBar.offsetWidth)},t.getStyleForTime=function(e){for(var t=0;t<this.vttData.length;++t){var s,r=this.vttData[t];if(e>=r.start&&e<r.end)return r.css.url&&!o[r.css.url]&&((s=new Image).src=r.css.url,o[r.css.url]=s),r.css}},t.showThumbnailHolder=function(){this.thumbnailHolder.style.opacity="1"},t.hideThumbnailHolder=function(){this.thumbnailHolder.style.opaci
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