invidious-copy-2022-08-14/assets/js/videojs-vtt-thumbnails.min.js
saltycrys 3379f3ef61 Update videojs-vtt-thumbnails to latest upstream version
Note that the latest version on NPM is over two years old so this was built from source.
2020-11-08 22:02:25 +01:00

7 lines
No EOL
6.6 KiB
JavaScript
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

/**
* videojs-vtt-thumbnails
* @version 0.0.13
* @copyright 2020 Chris Boustead <chris@forgemotion.com>
* @license MIT
*/
!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.opacity="0"},t.updateThumbnailStyle=function(e,t){var s=e*this.player.duration(),r=this.getStyleForTime(s);if(!r)return this.hideThumbnailHolder();var i=e*t,n=parseInt(r.width,10),o=n>>1,a=t-(i+o),l=i-o;if(0<l&&0<a?this.thumbnailHolder.style.transform="translateX("+(i-o)+"px)":l<=0?this.thumbnailHolder.style.transform="translateX(0px)":a<=0&&(this.thumbnailHolder.style.transform="translateX("+(t-n)+"px)"),!this.lastStyle||this.lastStyle!==r)for(var u in this.lastStyle=r)r.hasOwnProperty(u)&&(this.thumbnailHolder.style[u]=r[u])},t.processVtt=function(e){var a=this,l=[];return e.split(/[\r\n][\r\n]/i).forEach(function(e){var t,s,r,i,n,o;e.match(/([0-9]{2}:)?([0-9]{2}:)?[0-9]{2}(.[0-9]{3})?( ?--> ?)([0-9]{2}:)?([0-9]{2}:)?[0-9]{2}(.[0-9]{3})?[\r\n]{1}.*/gi)&&(r=(s=(t=e.split(/[\r\n]/i))[0].split(/ ?--> ?/i))[0],i=s[1],n=t[1],o=a.getVttCss(n),l.push({start:a.getSecondsFromTimestamp(r),end:a.getSecondsFromTimestamp(i),css:o}))}),l},t.getFullyQualifiedUrl=function(e,t){return 0<=e.indexOf("//")?e:0===t.indexOf("//")?[t.replace(/\/$/gi,""),this.trim(e,"/")].join("/"):0<t.indexOf("//")?[this.trim(t,"/"),this.trim(e,"/")].join("/"):e},t.getPropsFromDef=function(e){var t=e.split(/#xywh=/i),s=t[0],r=t[1].match(/[0-9]+/gi);return{x:r[0],y:r[1],w:r[2],h:r[3],image:s}},t.getVttCss=function(e){var t={},s=0<=this.options.src.indexOf("//")?this.options.src.split(/([^\/]*)$/gi).shift():this.getBaseUrl()+this.options.src.split(/([^\/]*)$/gi).shift();if(!(e=this.getFullyQualifiedUrl(e,s)).match(/#xywh=/i))return t.background='url("'+e+'")',t;var r=this.getPropsFromDef(e);return t.background='url("'+r.image+'") no-repeat -'+r.x+"px -"+r.y+"px",t.width=r.w+"px",t.height=r.h+"px",t.url=r.image,t},t.deconstructTimestamp=function(e){var t=e.split("."),s=t[0].split(":");return{milliseconds:parseInt(t[1],10)||0,seconds:parseInt(s.pop(),10)||0,minutes:parseInt(s.pop(),10)||0,hours:parseInt(s.pop(),10)||0}},t.getSecondsFromTimestamp=function(e){var t=this.deconstructTimestamp(e);return parseInt(3600*t.hours+60*t.minutes+t.seconds+t.milliseconds/1e3,10)},t.trim=function(e,t){var s=[" ","\n","\r","\t","\f","\v"," "," ","","","","","","","","","","","","\u2028","\u2029"," "].join(""),r=0,i=0;for(e+="",t&&(s=(t+"").replace(/([[\]().?/*{}+$^:])/g,"$1")),r=e.length,i=0;i<r;i++)if(-1===s.indexOf(e.charAt(i))){e=e.substring(i);break}for(i=(r=e.length)-1;0<=i;i--)if(-1===s.indexOf(e.charAt(i))){e=e.substring(0,i+1);break}return-1===s.indexOf(e.charAt(0))?e:""},e}();return t("vttThumbnails",e),e.VERSION="0.0.13",e});