☰

White background replacer

Replaces the background white color with yellow in order to decrease eye strain

当前为 2018-12-22 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name         White background replacer
  3. // @namespace    http://siavoshkc.ir/
  4. // @version      0.6
  5. // @description  Replaces the background white color with yellow in order to decrease eye strain
  6. // @author       siavoshkc
  7. // @include      *
  8. // @grant        none
  9. // @license      MIT
  10. // ==/UserScript==
  11.  
  12. (function() {
  13.     'use strict';
  14.     const BG_COLOR = "#ffedc4";
  15.     if(document.styleSheets.length == 0) document.body.style.backgroundColor = BG_COLOR;
  16.     else
  17.     {
  18.         for (let sheeti= 0; sheeti<document.styleSheets.length; sheeti++) {
  19.             try{
  20.                 let sheet= document.styleSheets[sheeti];
  21.                 let rules= sheet.cssRules;
  22.  
  23.                 for (let rulei= 0; rulei<rules.length; rulei++) {
  24.                     let rule= rules[rulei];
  25.                     if (rule.type==CSSRule.STYLE_RULE)
  26.                     {
  27.  
  28.                         if(rule.style.backgroundColor=="white"||rule.style.backgroundColor=="#ffffff"||rule.style.backgroundColor=="#FFFF"||rule.style.backgroundColor=="#FFF"||rule.style.backgroundColor=="#fff" ||rule.style.backgroundColor=="rgb(255, 255, 255)") rule.style.backgroundColor=BG_COLOR;
  29.                         else if(rule.style.backgroundColor==undefined || rule.style.backgroundColor=="")
  30.                         {
  31.                             let pRule = rule;
  32.                             let foundParentColor = false;
  33.                             while(pRule.parentRule != null)
  34.                             {
  35.                                 pRule = pRule.parentRule;
  36.                                 if(pRule.style.backgroundColor != undefined && pRule.style.backgroundColor != "")
  37.                                 {
  38.                                     foundParentColor = true;
  39.                                     break;
  40.                                 }
  41.                             }
  42.                             if(!foundParentColor) rule.style.backgroundColor=BG_COLOR;
  43.                         }
  44.  
  45.                     }
  46.                     else if(rule.type==CSSRule.IMPORT_RULE)
  47.                     {
  48.                         let importRules = rule.styleSheet.cssRules;
  49.                         for(let importRulei = 0; importRulei < importRules.length; importRulei++)
  50.                         {
  51.                             let importRule = importRules[importRulei];
  52.                             if(importRule.style.backgroundColor=="white"||importRule.style.backgroundColor=="#ffffff"||importRule.style.backgroundColor=="#FFFF"||importRule.style.backgroundColor=="#FFF"||importRule.style.backgroundColor=="#fff" ||importRule.style.backgroundColor=="rgb(255, 255, 255)") importRule.style.backgroundColor=BG_COLOR;
  53.                             else if(importRule.style.backgroundColor==undefined || importRule.style.backgroundColor=="")
  54.                             {
  55.                                 let pRule = importRule;
  56.                                 let foundParentColor = false;
  57.                                 while(pRule.parentRule != null)
  58.                                 {
  59.                                     pRule = pRule.parentRule;
  60.                                     if(pRule.style.backgroundColor != undefined && pRule.style.backgroundColor != "")
  61.                                     {
  62.                                         foundParentColor = true;
  63.                                         break;
  64.                                     }
  65.                                 }
  66.                                 if(!foundParentColor) importRule.style.backgroundColor=BG_COLOR;
  67.                             }
  68.                         }
  69.  
  70.                     }
  71.                     else if(rule.type==CSSRule.MEDIA_RULE)
  72.                     {
  73.                         let mediaRules = rule.cssRules;
  74.                         for(let mediaRulei = 0; mediaRulei < mediaRules.length; mediaRulei++)
  75.                         {
  76.                             let mediaRule = mediaRules[mediaRulei];
  77.                             if(mediaRule.style.backgroundColor=="white"||mediaRule.style.backgroundColor=="#ffffff"||mediaRule.style.backgroundColor=="#FFFF"||mediaRule.style.backgroundColor=="#FFF"||mediaRule.style.backgroundColor=="#fff" ||mediaRule.style.backgroundColor=="rgb(255, 255, 255)") mediaRule.style.backgroundColor=BG_COLOR;
  78.                             else if(mediaRule.style.backgroundColor==undefined || mediaRule.style.backgroundColor=="")
  79.                             {
  80.                                 let pRule = mediaRule;
  81.                                 let foundParentColor = false;
  82.                                 while(pRule.parentRule != null)
  83.                                 {
  84.                                     pRule = pRule.parentRule;
  85.                                     if(pRule.style.backgroundColor != undefined && pRule.style.backgroundColor != "")
  86.                                     {
  87.                                         foundParentColor = true;
  88.                                         break;
  89.                                     }
  90.                                 }
  91.                                 if(!foundParentColor) mediaRule.style.backgroundColor=BG_COLOR;
  92.                             }
  93.                         }
  94.                     }
  95.                     else {console.log("Unsupported style rule of type: ".concat(rule.type))};
  96.                 }
  97.             }
  98.             catch(e)
  99.             {
  100.                 console.log("Caught exception: ".concat(e));
  101.                 continue;
  102.             }
  103.         }
  104.     }
  105.  
  106. })();