heatmeter

// ==UserScript==
// @name           NicoWatch Tools heatmeter
// @description    Nico Nico Douga Greasemonkey script
// @include        http://www.nicovideo.jp/watch/*
// @version        0.5.20110519.20120228
// @require        http://jqueryjs.googlecode.com/files/jquery-1.3.2.min.js
// ==/UserScript==

(function(){
 var player = document.getElementById('flvplayer');
 var video = unsafeWindow.Video;
 var main = {
  prm : {
   color : [
    '333', '33c', '36c', '39c', '3cc', '3c9', '3c6', '3c3',
    '6c3', '9c3', 'cc3', 'c93', 'c63', 'c33', 'c33', 'c33'
   ],
   videoLength : video.length,
   titleNum : Array(),
   chatNum : Array(),
   widthSep : 0
  },
  container : function(){
   doc = document.createElement("div");
   doc.id = "meter_container";
   $('#WATCHFOOTER').prepend($(doc));
   $('#meter_container').html('<table><tr><td id="meter_body"></td><td id="meter_sub"></td><tr></table>');
   this.body();
  },
  body : function(){
   var nowTime = 0, chatNumMax = 0, bar = '';
   for (i = 0; i < 100; i++) {
    if(player.ext_getComments(i).length > 0) mainThreadId = i;
   }
   commentNum = player.ext_getComments(mainThreadId);
   for (i = 0; i < commentNum.length; i++) {
    if (this.prm.videoLength < Math.floor(commentNum[i].vpos / 1000)) {
     this.prm.videoLength += 10;
     break;
    }
   }
   var timeInterval = (this.prm.videoLength * 100) / this.prm.widthSep;
   for (i = 0; i < this.prm.widthSep; i++) {
    nowTime += timeInterval;
    this.prm.chatNum[i] = 0;
    for (j = 0; j < commentNum.length; j++) {
     vpos = commentNum[j].vpos / 10;
     if (nowTime - timeInterval <= vpos && vpos < nowTime) this.prm.chatNum[i]++;
    }
    if (this.prm.chatNum[i] > chatNumMax) chatNumMax = this.prm.chatNum[i];
    vposMin = Math.floor((nowTime - timeInterval) / 100 / 60);
    vposSec = Math.floor((nowTime - timeInterval) / 100) - vposMin * 60;
    if (vposMin < 10) vposMin = '0' + vposMin;
    if (vposSec < 10) vposSec = '0' + vposSec;
    timeSep = vposMin + ":" + vposSec + " - ";
    vposMin = Math.floor(nowTime / 100 / 60);
    vposSec = Math.floor(nowTime / 100) - vposMin * 60;
    if (vposMin < 10) vposMin = '0' + vposMin;
    if (vposSec < 10) vposSec = '0' + vposSec;
    timeSep += vposMin + ":" + vposSec;
    this.prm.titleNum[i] = timeSep;
   }
   this.prm.chatNumMax = chatNumMax;
   for (i = 0; i < this.prm.widthSep; i++) {
    strColor = this.prm.color[Math.round(this.prm.chatNum[i] / this.prm.chatNumMax * 15)];
    strComment = this.prm.chatNum[i] + '   ' + this.prm.titleNum[i];
    bar += '<div class="meter_bar" id="meter_bar' + i + '" style="background-color:#' + strColor + ';" title="Comment : ' + strComment + '"></div>';
   }
   for (i = 0, chatNumAll = 0; i < this.prm.widthSep; i++) {
    chatNumAll += this.prm.chatNum[i];
   }
   $('#meter_body').html(bar);
   $('#meter_sub').html('<a id="reload">' + chatNumAll + ' Comment GET</a>');
   $('#reload').click(function(){main.body()});
  }
 }
 if (player.getAttribute('flashvars').indexOf('isWide=1') > 0) {
  if (main.prm.videoLength < 600) {
   main.prm.widthSep = 170;
  }else if (main.prm.videoLength < 6000) {
   main.prm.widthSep = 163;
  }else{
   main.prm.widthSep = 156;
  }
 }else{
  if (main.prm.videoLength < 600) {
   main.prm.widthSep = 106;
  }else if (main.prm.videoLength < 6000) {
   main.prm.widthSep = 99;
  }else{
   main.prm.widthSep = 92;
  }
 }
 t = setInterval(function(){
  if (player.ext_getStatus() != 'stopped') {
   main.container();
   clearInterval(t);
  }
 }, 1000);
 GM_addStyle((<><![CDATA[
  #player_bottom_textlink a{
   color: #ccc;
  }
  #meter_container{
   margin: -9px 0 0 73px;
   color: #999;
   font-size: 12px;
  }
  #meter_body{
   border: 2px solid #000;
  }
  #meter_sub{
   padding: 5px 5px 0;
   cursor: pointer;
  }
  .meter_bar{
   width: 2px;
   height: 16px;
   float: left;
  }
 ]]></>).toString()); 
})();