1 line
12 KiB
JavaScript
1 line
12 KiB
JavaScript
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webshims.register("track",function(a,b,c,d){"use strict";function e(a,c,e){3!=arguments.length&&b.error("wrong arguments.length for VTTCue.constructor"),this.startTime=a,this.endTime=c,this.text=e,this.onenter=null,this.onexit=null,this.pauseOnExit=!1,this.track=null,this.id=null,this.getCueAsHTML=function(){var a,b="",c="";return function(){var e,g;if(a||(a=d.createDocumentFragment()),b!=this.text)for(b=this.text,c=f.parseCueTextToHTML(b),t.innerHTML=c,e=0,g=t.childNodes.length;g>e;e++)a.appendChild(t.childNodes[e].cloneNode(!0));return a.cloneNode(!0)}}()}var f=b.mediaelement,g=((new Date).getTime(),{subtitles:1,captions:1,descriptions:1}),h=a("<track />"),i=b.support,j=i.ES5&&i.objectAccessor,k=function(a){var c={};return a.addEventListener=function(a,d){c[a]&&b.error("always use $.on to the shimed event: "+a+" already bound fn was: "+c[a]+" your fn was: "+d),c[a]=d},a.removeEventListener=function(a,d){c[a]&&c[a]!=d&&b.error("always use $.on/$.off to the shimed event: "+a+" already bound fn was: "+c[a]+" your fn was: "+d),c[a]&&delete c[a]},a},l={getCueById:function(a){for(var b=null,c=0,d=this.length;d>c;c++)if(this[c].id===a){b=this[c];break}return b}},m={0:"disabled",1:"hidden",2:"showing"},n={shimActiveCues:null,_shimActiveCues:null,activeCues:null,cues:null,kind:"subtitles",label:"",language:"",id:"",mode:"disabled",oncuechange:null,toString:function(){return"[object TextTrack]"},addCue:function(a){if(this.cues){var c=this.cues[this.cues.length-1];if(c&&c.startTime>a.startTime)return void b.error("cue startTime higher than previous cue's startTime")}else this.cues=f.createCueList();a.startTime>=a.endTime&&webshim.error("startTime >= endTime of cue: "+a.text),a.track&&a.track.removeCue&&a.track.removeCue(a),a.track=this,this.cues.push(a)},removeCue:function(a){var c=this.cues||[],d=0,e=c.length;if(a.track!=this)return void b.error("cue not part of track");for(;e>d;d++)if(c[d]===a){c.splice(d,1),a.track=null;break}return a.track?void b.error("cue not part of track"):void 0}},o=["kind","label","srclang"],p={srclang:"language"},q=function(c,d){var e,f,g=!1,h=[],i=[],j=[];if(c||(c=b.data(this,"mediaelementBase")||b.data(this,"mediaelementBase",{})),d||(c.blockTrackListUpdate=!0,d=a.prop(this,"textTracks"),c.blockTrackListUpdate=!1),clearTimeout(c.updateTrackListTimer),a("track",this).each(function(){var b=a.prop(this,"track");j.push(b),-1==d.indexOf(b)&&i.push(b)}),c.scriptedTextTracks)for(e=0,f=c.scriptedTextTracks.length;f>e;e++)j.push(c.scriptedTextTracks[e]),-1==d.indexOf(c.scriptedTextTracks[e])&&i.push(c.scriptedTextTracks[e]);for(e=0,f=d.length;f>e;e++)-1==j.indexOf(d[e])&&h.push(d[e]);if(h.length||i.length){for(d.splice(0),e=0,f=j.length;f>e;e++)d.push(j[e]);for(e=0,f=h.length;f>e;e++)a([d]).triggerHandler(a.Event({type:"removetrack",track:h[e]}));for(e=0,f=i.length;f>e;e++)a([d]).triggerHandler(a.Event({type:"addtrack",track:i[e]}));(c.scriptedTextTracks||h.length)&&a(this).triggerHandler("updatetrackdisplay")}for(e=0,f=d.length;f>e;e++)d[e].__wsmode!=d[e].mode&&(d[e].__wsmode=d[e].mode,g=!0);g&&a([d]).triggerHandler("change")},r=function(c,d){d||(d=b.data(c,"trackData")),d&&!d.isTriggering&&(d.isTriggering=!0,setTimeout(function(){a(c).closest("audio, video").triggerHandler("updatetrackdisplay"),d.isTriggering=!1},9))},s=function(){var c={subtitles:{subtitles:1,captions:1},descriptions:{descriptions:1},chapters:{chapters:1}};return c.captions=c.subtitles,function(d){var e,f,g=a.prop(d,"default");return g&&"metadata"!=(e=a.prop(d,"kind"))&&(f=a(d).parent().find("track[default]").filter(function(){return!!c[e][a.prop(this,"kind")]})[0],f!=d&&(g=!1,b.error("more than one default track of a specific kind detected. Fall back to default = false"))),g}}(),t=a("<div />")[0];c.VTTCue=e,c.TextTrackCue=function(){b.error("Use VTTCue constructor instead of abstract TextTrackCue constructor."),e.apply(this,arguments)},c.TextTrackCue.prototype=e.prototype,f.createCueList=function(){return a.extend([],l)},f.parseCueTextToHTML=function(){var a=/(<\/?[^>]+>)/gi,b=/^(?:c|v|ruby|rt|b|i|u)/,c=/\<\s*\//,d=function(a,b,d,e){var
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