etc/userscripts/CleanHide.js

   1 // ==UserScript==
   2 // @name          CleanHide
   3 // @namespace     http://notebk.spaces.live.com/
   4 // @description   Created By Inorth,mod by cwjt
   5 // @run-at document-start
   6 // @include   http://*
   7 // ==/UserScript==
   8
   9 // http://userscripts.org/scripts/show/84230
  10 // Script Summary:
  11 // 清除隐藏文字的脚本，方便拷贝一些经过特别处理过的网页文字，快捷键alt+q http://bbs.chromi.org/thread-6554-1-1.html
  12
  13 var debug=false;                //debug or release switch!!
  14 var CleanHideObj=new CleanHideClass();
  15 function CleanHideClass()
  16 {
  17         //functions;id mean cleanhid ,AppID mean call from firefox or mozilla (different! call from overlayFF or overlayMZ!)
  18         this.on=function(id,bMZ)
  19         {
  20                 //this.strBundle = document.getElementById("cleanhide-strings");        //get the strings use in js!
  21                 if(id == 0)
  22                 {
  23                         var page=/* document.getElementById("content").contentDocument */document;      //main page
  24                         this.RemoveHide(page,"span");
  25                         this.RemoveHide(page,"font");
  26                         this.RemoveHide(page,"div");
  27                         this.RemoveHide(page,"p");
  28                         //alert(this.strBundle.getString("CleanHideSuccess"));
  29                         //document.getElementById("statusbar-display").label=this.strBundle.getString("CleanHideSuccess");
  30                 }
  31
  32         }
  33         this.getobjstyle=function(node,prop)
  34         {
  35                 try
  36                 {
  37                         return node.ownerDocument.defaultView.getComputedStyle(node, "").getPropertyValue(prop);
  38                 }
  39                 catch(e)
  40                 {
  41                         if(debug)
  42                         {
  43                                 alert(e.message);
  44                         }
  45
  46                         return "200";
  47                 }
  48         }
  49
  50         this.RemoveHide=function(page,objname)
  51         {
  52                 try
  53                 {
  54                         var minValue=25;
  55                         var objs=page.getElementsByTagName(objname);    //get all element
  56
  57                         if(objs.length == 0)    //no span or font object found!
  58                         {
  59                                 if(debug)
  60                                 {
  61                                         alert("no object found!:"+objname);
  62                                 }
  63                         }
  64                         else
  65                         {
  66                                 //determean every object!
  67                                 for(var i=objs.length-1;i>=0;i--)       //must from last to first!!! for detect every  element!!
  68                                 {
  69                                         var node=objs.item(i);  //get one element
  70
  71                                         //if this object is invisible,we delete it!!
  72                                         if(this.getobjstyle(node,"display") == "none" ||
  73                                                 this.getobjstyle(node,"visibility") =="hidden" ||
  74                                                 parseInt(this.getobjstyle(node,"font-size")) == 0)      //if this element'style is none,than remove it!!
  75                                         {
  76                                                 if(debug)
  77                                                 {
  78                                                         alert("remove invisiable!");
  79                                                 }
  80                                                 node.parentNode.removeChild(node);
  81
  82                                         }
  83                                         else    //normal object!have color!
  84                                         {
  85                                                 if(node.parentNode)     //if it has parent node!!
  86                                                 {
  87                                                         var orgNode=node;
  88                                                         var orgColor=this.getobjstyle(orgNode,"color");
  89                                                         var orgRGB=getRGB(orgColor);    //get org node's RGB only color.
  90                                                         var parentNode=node.parentNode
  91                                                         var parentBgColor=this.getobjstyle(parentNode,"background-color");
  92
  93
  94
  95                                                         var isLast=false;
  96                                                         regtest=/rgba\((\s)*0,(\s)*0,(\s)*0,(\s)*0\)/;
  97                                                         while(regtest.test(parentBgColor))      //parent bg is transparent!!,get last no transparent node!!
  98                                                         {
  99
 100                                                                 if(parentNode.parentNode == null)
 101                                                                 {
 102                                                                         isLast=true;
 103                                                                         break;
 104                                                                 }
 105                                                                 parentNode=parentNode.parentNode;
 106                                                                 parentBgColor=this.getobjstyle(parentNode,"background-color");
 107                                                                 parentBgColor=parentBgColor+"";
 108                                                                 if(!regtest.test(parentBgColor))
 109                                                                 {
 110
 111                                                                         break;
 112                                                                 }
 113                                                         }
 114                                                         if(isLast)      //body is RGB(255,255,255)!!!
 115                                                         {
 116                                                                 if(debug)
 117                                                                 {
 118                                                                         alert("last!!");
 119                                                                 }
 120                                                                 if((Math.abs(orgRGB[0]-255)<=minValue)&&(Math.abs(orgRGB[1]-255)<=minValue)&&(Math.abs(orgRGB[2]-255)<=minValue))
 121                                                                 {
 122                                                                                 orgNode.parentNode.removeChild(orgNode);                //color is near white,we delete it!
 123                                                                 }
 124                                                         }
 125                                                         else
 126                                                         {
 127                                                                 if(debug)
 128                                                                 {
 129                                                                         alert("compare color and parent bgcolor!");
 130                                                                 }
 131                                                                 parentBgRGB=getRGB(parentBgColor);
 132                                                                 if((Math.abs(orgRGB[0]-parentBgRGB[0])<=minValue)&&(Math.abs(orgRGB[1]-parentBgRGB[1])<=minValue)&&(Math.abs(orgRGB[2]-parentBgRGB[2])<=minValue))
 133                                                                 {
 134                                                                                 orgNode.parentNode.removeChild(orgNode);                //color is near white,we delete it!
 135                                                                 }
 136                                                         }
 137                                                 }//end of hava parent
 138                                         }//if invisible
 139                                 }//for ... every object
 140                         }//object lentgth == 0
 141
 142                         //find sub frames
 143                         var itemFrames = page.getElementsByTagName("frame");
 144                         var itemiFrames = page.getElementsByTagName("iframe");
 145
 146                         var frame, iframe;
 147                         if (itemFrames.length > 0)
 148                         {
 149                                 for (var i = 0 ; i< itemFrames.length ; i++)
 150                                 {
 151                                         frame = itemFrames[i].contentDocument;
 152                                         this.RemoveHide(frame,objname); // recursion for frames
 153                                 }
 154                         }
 155                         if (itemiFrames.length > 0)
 156                         {
 157                                 for (var i = 0 ; i < itemiFrames.length ; i++)
 158                                 {
 159                                         iframe = itemiFrames[i].contentDocument;
 160                                         this.RemoveHide(iframe,objname); // recursion for iframes
 161                                 }
 162                         }
 163                 }
 164                 catch(e)
 165                 {
 166                         if(debug)
 167                         {
 168                                 alert(e.message);
 169                         }
 170                 }
 171         }
 172
 173 }
 174 //this function for get R G B data from string rgb(r,g,b)  or blue,etc
 175
 176
 177
 178 function getRGB(colorString)
 179 {
 180                 var RGB = new Array;
 181                 var tempSting=colorString.substring(4,colorString.length-1);
 182                 var tempArray=tempSting.split(",");
 183
 184                 RGB[0]=parseInt(tempArray[0]);
 185                 RGB[1]=parseInt(tempArray[1]);
 186                 RGB[2]=parseInt(tempArray[2]);
 187
 188                 return RGB;
 189 }
 190 function keys(evt)
 191   {  //var evt=evt?evt:(window.event?window.event:null);
 192
 193          if(evt.keyCode == 81 && !evt.shiftKey && !evt.ctrlKey && evt.altKey)
 194          {
 195                 CleanHideObj.on(0,1);
 196                 alert("Clean Hide successfully! Remember Hotkeys: ALT+Q");
 197                                 }
 198
 199   }
 200 document.addEventListener('keydown', keys, false);