/*!
 * artplayer-plugin-vtt-thumbnail.js v1.0.4
 * Github: https://github.com/zhw2590582/ArtPlayer
 * (c) 2017-2026 Harvey Zhao
 * Released under the MIT License.
 */
!function(t,e){"object"===typeof exports&&"undefined"!==typeof module?module.exports=e():"function"==typeof define&&define.amd?(t.ArtplayerPluginVttThumbnail=e(),define(function(){return t.ArtplayerPluginVttThumbnail})):(t="undefined"!==typeof globalThis?globalThis:t||self).ArtplayerPluginVttThumbnail=e()}(this,function(){"use strict";var t=(t,e,n)=>new Promise((l,i)=>{var o=t=>{try{s(n.next(t))}catch(e){i(e)}},r=t=>{try{s(n.throw(t))}catch(e){i(e)}},s=t=>t.done?l(t.value):Promise.resolve(t.value).then(o,r);s((n=n.apply(t,e)).next())});function e(t){const e=t.split("."),n=e[0].split(":")||[],l=(i=e[1]||"0",o=3,r="0",i.length>o?String(i):((o-=i.length)>r.length&&(r+=r.repeat(o/r.length)),String(i)+r.slice(0,o)));var i,o,r;const s=Number(l)/1e3;return 3600*Number(n[n.length-3]||0)+60*Number(n[n.length-2]||0)+Number(n[n.length-1]||0)+s}return function(n){return l=>t(null,null,function*(){const{constructor:{utils:{setStyle:i,isMobile:o,addClass:r}},template:{$progress:s}}=l;let u=null;const c=yield function(n=""){return t(this,null,function*(){const t=(yield(yield fetch(n)).text()).split(/[\n\r]/g).filter(t=>t.trim()),l=[];for(let i=1;i<t.length;i+=2){const o=t[i],r=t[i+1];if(!r.trim())continue;const s=/((?:\d{2}:)?(?:\d{2}:)?\d{2}(?:.\d{3})?) ?--> ?((?:\d{2}:)?(?:\d{2}:)?\d{2}(?:.\d{3})?)/,u=o.match(s),c=/(.*)#(\w{4})=(.*)/,d=r.match(c),a=Math.floor(e(u[1])),h=Math.floor(e(u[2]));let p=d[1];if(!/^\/|(?:https?|ftp|file):\/\//i.test(p)){const t=n.split("/");t.pop(),t.push(p),p=t.join("/")}const f={start:a,end:h,url:p},m=d[2].split(""),g=d[3].split(",");for(let t=0;t<m.length;t++)f[m[t]]=g[t];l.push(f)}return l})}(n.vtt);return l.controls.add({name:"vtt-thumbnail",position:"top",index:20,style:n.style||{},mounted(e){r(e,"art-control-thumbnails"),l.on("setBar",(n,r,d)=>t(null,null,function*(){const t="played"===n&&d&&o;if("hover"===n||t){const n=s.clientWidth*r,d=r*l.duration;i(e,"display","flex");const a=c.find(t=>d>=t.start&&d<=t.end);if(!a)return i(e,"display","none");n>0&&n<s.clientWidth?function(t,e,n){i(t,"backgroundImage",`url(${e.url})`),i(t,"height",`${e.h}px`),i(t,"width",`${e.w}px`),i(t,"backgroundPosition",`-${e.x}px -${e.y}px`),n<=e.w/2?i(t,"left",0):n>s.clientWidth-e.w/2?i(t,"left",s.clientWidth-e.w+"px"):i(t,"left",n-e.w/2+"px")}(e,a,n):o||i(e,"display","none"),t&&(clearTimeout(u),u=setTimeout(()=>{i(e,"display","none")},500))}}))}}),{name:"artplayerPluginVttThumbnail"}})}});