media.js

安全性好,适用于展示和进行资源下载的个人和大型网站使用!

var lrcO;
var lrcobj;
function lrcClass(tt)
{
this.inr=[];
this.oTime=0;
this.dts=-1;
this.dte=-1;
this.dlt=-1;
this.ddh;
this.fjh;
lrcbc.style.width=0;
if(/\[offset\:(\-?\d+)\]/i.test(tt))
this.oTime=RegExp.$1/1000;
tt=tt.replace(/\[\:\][^$\n]*(\n|$)/g,"$1");
tt=tt.replace(/\[[^\[\]\:]*\]/g,"");
tt=tt.replace(/\[[^\[\]]*[^\[\]\d]+[^\[\]]*\:[^\[\]]*\]/g,"");
tt=tt.replace(/\[[^\[\]]*\:[^\[\]]*[^\[\]\d\.]+[^\[\]]*\]/g,"");
tt=tt.replace(/<[^<>]*[^<>\d]+[^<>]*\:[^<>]*>/g,"");
tt=tt.replace(/<[^<>]*\:[^<>]*[^<>\d\.]+[^<>]*>/g,"");
while(/\[[^\[\]]+\:[^\[\]]+\]/.test(tt))
{
tt=tt.replace(/((\[[^\[\]]+\:[^\[\]]+\])+[^\[\r\n]*)[^\[]*/,"\n");
var zzzt=RegExp.$1;
/^(.+\])([^\]]*)$/.exec(zzzt);
var ltxt=RegExp.$2;
var eft=RegExp.$1.slice(1,-1).split("][");
for(var ii=0; ii<eft.length; ii++)
{
var sf=eft[ii].split(":");
var tse=parseInt(sf[0],10) * 60 + parseFloat(sf[1]);
var sso={ t:[] , w:[] , n:ltxt }
sso.t[0]=tse-this.oTime;
this.inr[this.inr.length]=sso;
}}
this.inr=this.inr.sort( function(a,b){return a.t[0]-b.t[0];} );
for(var ii=0; ii<this.inr.length; ii++)
{
while(/<[^<>]+\:[^<>]+>/.test(this.inr[ii].n))
{
this.inr[ii].n=this.inr[ii].n.replace(/<(\d+)\:([\d\.]+)>/,"%=%");
var tse=parseInt(RegExp.$1,10) * 60 + parseFloat(RegExp.$2);
this.inr[ii].t[this.inr[ii].t.length]=tse-this.oTime;}
lrcbc.innerHTML="<font>"+ this.inr[ii].n.replace(/&/g,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;").replace(/%=%/g,"</font><font>") +"</font>";
var fall=lrcbc.getElementsByTagName("font");
for(var wi=0; wi<fall.length; wi++)
this.inr[ii].w[this.inr[ii].w.length]=fall[wi].offsetWidth;
this.inr[ii].n=lrcbc.innerHTML;
}
this.run=function(tme)
{
if(tme<this.dts || tme>=this.dte)
{
var ii;
for(ii=this.inr.length-1; ii>=0 && this.inr[ii].t[0]>tme; ii--){}
if(ii<0) return;
this.ddh=this.inr[ii].t;
this.fjh=this.inr[ii].w;
this.dts=this.inr[ii].t[0];
this.dte=(ii<this.inr.length-1)?this.inr[ii+1].t[0]:aboutplayer.currentMedia.duration;
      lrcwt1.innerHTML=this.retxt(ii-7);
      lrcwt2.innerHTML=this.retxt(ii-6);
      lrcwt3.innerHTML=this.retxt(ii-5);
      lrcwt4.innerHTML=this.retxt(ii-4);
      lrcwt5.innerHTML=this.retxt(ii-3);
      lrcwt6.innerHTML=this.retxt(ii-2);
      lrcwt7.innerHTML=this.retxt(ii-1);
      lrcfilter.innerHTML=this.retxt(ii-1);
      lrcwt8.innerHTML=this.retxt(ii+1);
      lrcwt9.innerHTML=this.retxt(ii+2);
      lrcwt10.innerHTML=this.retxt(ii+3);
      lrcwt11.innerHTML=this.retxt(ii+4);
      lrcwt12.innerHTML=this.retxt(ii+5);
      lrcwt13.innerHTML=this.retxt(ii+6);
      this.print(this.retxt(ii));
      if(this.dlt==ii-1)
      {
	clearTimeout(lrcO);
	golrcoll(0);
      }
      this.dlt=ii;
    }
    var bbw=0;
    var ki;
    for(ki=0; ki<this.ddh.length && this.ddh[ki]<=tme; ki++)
      bbw += this.fjh[ki];
    var kt=ki-1;
    var sc=((ki<this.ddh.length)?this.ddh[ki]:this.dte) - this.ddh[kt];
    var tc=tme - this.ddh[kt];
    bbw -= this.fjh[kt] - tc / sc * this.fjh[kt];
    if(bbw>lrcbox.offsetWidth)
      bbw=lrcbox.offsetWidth;
    lrcbc.style.width=Math.round(bbw);
  }

  this.retxt=function(i)
  {
    return (i<0 || i>=this.inr.length)?"":this.inr[i].n;
  }

  this.print=function(txt)
  {
    lrcbox.innerHTML=txt;
    lrcbc.innerHTML=txt;
  }

  this.print("Loading......");
  lrcwt1.innerHTML="";
  lrcwt2.innerHTML="";
  lrcwt3.innerHTML="";
  lrcwt4.innerHTML="";
  lrcwt5.innerHTML="";
  lrcwt6.innerHTML="";
  lrcwt7.innerHTML="";
  lrcfilter.innerHTML="";
  lrcwt8.innerHTML="";
  lrcwt9.innerHTML="";
  lrcwt10.innerHTML="";
  lrcwt11.innerHTML="";
  lrcwt12.innerHTML="";
  lrcwt13.innerHTML="";
}
function golrcoll(s)
{
lrcoll.style.top=-s++;
lrcfilter.filters.alpha.opacity=100-s*5;
if(s<=20)
lrcO=setTimeout("golrcoll("+s+")",40);
}
function lrcrun(m)
{
lrcobj=new lrcClass(m);
setInterval("try {lrcobj.run(aboutplayer.controls.currentPosition)} catch(hh){}",10);
}