// ==UserScript==
// @name remove the jump link in BAIDU
// @author burningall
// @description 去除百度搜索跳转链接
// @version 2015.8.23
// @include *www.baidu.com*
// @grant GM_xmlhttpRequest
// @run-at document-start
// @compatible chrome 推荐
// @compatible firefox 不推荐
// @license The MIT License (MIT); http://opensource.org/licenses/MIT
// @supportURL http://www.burningall.com
// @contributionURL troy450409405@gmail.com|alipay.com
// @namespace https://greasyfork.org/zh-CN/users/3400-axetroy
// ==/UserScript==
(function(document){
//=====配置规则======
var macthList = [
{
hostname:'www.baidu.com',
rule:'a[href*="www.baidu.com/link?url"]:not([transcoding]):not([transcoded])'
},
{
hostname:'www.google.com',
rule:''
}
];
function getRules(){
for(var i=0;i<macthList.length;i++){
// console.log( macthList[i] );
if(location.hostname==macthList[i].hostname){
return macthList[i].rule;
}
}
}
//======监听=======
function addEvent(obj, type, fn){
return obj.addEventListener ?
obj.addEventListener(type, function(e){
var ev = window.event ? window.event : (e ? e : null);
if( fn.call(obj,ev)===false ){
e.cancelBubble = true;//阻止冒泡
e.preventDefault();//chrome，firefox下阻止默认事件
}
}, false)
:
obj.attachEvent('on' + type, function(e){
var ev = window.event ? window.event : (e ? e : null);
ev.target = ev.target || ev.srcElement;
if(fn.call(obj,ev)===false ){
e.cancelBubble = true;//阻止冒泡
return false;//阻止默认事件，针对IE8
}
});
}
function bind(obj,type,fn){
//如果传入一个json参数
if(arguments.length==2){
for(var attr in type){
addEvent(obj,attr,type[attr]);
}
}
//传入两个字符串参数
else if(arguments.length==3){
var events = type.split(' ');
var eventsLength = events.length;
var j=0;
while(j<eventsLength){
addEvent(obj,events[j],fn);
j++;
}
}
}
function ob(target,config,fn){
var MutationObserver = window.MutationObserver || window.WebKitMutationObserver || window.MozMutationObserver,
observer = new MutationObserver(function(mutations){
mutations.forEach(function(mutation) {
fn.call(target);
});
});
observer.observe(target, config);
}
//======公共函数=======
function addStyle(){
if( document.getElementById('transcoded') ){
return;
}
var cssString = 'a[transcoded]:before {content: "";position:absolute;width: 0;height: 100%;line-height: 100%;display: inline-block;background: rgba(43, 138, 23, 0.5);animation:moveDown 1s ease-in-out 0.2s backwards;}@keyframes moveDown{0%{width:0;}80%{width:100%;}100%{width:0;}}@-webkit-keyframes moveDown{0%{width:0;}80%{width:100%;}100%{width:0;display:none;}}';
var style = document.createElement('style');
var css = document.createTextNode(cssString);
style.type = "text/css";
style.id = "transcoded";
style.appendChild(css);
document.head.appendChild(style);
}
function visible(obj) {
var pos = obj.getBoundingClientRect();
if (document.documentElement.getBoundingClientRect) {
var w = document.documentElement.clientWidth || document.body.clientWidth;
var h = document.documentElement.clientHeight || document.body.clientHeight;
var jugg = pos.top > h || pos.bottom < 0 || pos.left > w || pos.right < 0;
if (jugg === true) {
//不可视
return false;
} else {
//可视
return true;
}
}
}
function transcode(urlLink,a,secFn){
if( a.getAttribute("transcoded")=="true" ){
return;
}
a.setAttribute("transcoding","true");
GM_xmlhttpRequest({
method: "GET",
url: urlLink,
onreadystatechange:function( response ){
if(response.readyState==4){
var status = response.status+'';
if( status.charAt(0)=="4" || status.charAt(0)=="5" ){//4XX，5XX错误
console.log( response.status );
a.removeAttribute("transcoding");
a.setAttribute("transcoded","false");
}else{
var reg1 = /.*window\.location\.replace\(\"(.*)\"\).*$/img;
var reg2 = /^(.*)(<noscript>.*<\/noscript>$)/img;
var url = response.responseText.replace(reg1,"$1").replace(reg2,'$1');
a.removeAttribute("transcoding");
a.setAttribute("transcoded","true");
secFn(a,url);
}
}
}
});
}
function init(){
var links = document.querySelectorAll(getRules()),
inViewPort = [],
a = null,
href = "";
for(var j=0;j<links.length;j++){
a = links[j];
if( visible( links[j] ) ){
inViewPort.push( links[j] );
}
}
// console.log( inViewPort.length );
if( inViewPort.length<=0 ){
return;
}
addStyle();
for( var i=0;i<inViewPort.length;i++ ){
a = inViewPort[i];
href = a.href.replace("http","https") + "&wd=&eqid=0";
transcode(href,a,function(a,url){
a.href = url;
a.style.position = 'relative';
setTimeout(function(){
},2000);
});
}
}
//======执行=======
//判断是否已监听
var hasOb = false;
//判断url是否符合百度跳转
var urlReg = /www.baidu.com\/link\?url=/ig;
bind(document,{
"DOMContentLoaded":function(){
init();
ob(document,{
"childList":true,
"subtree":true
},function(){
init();
hasOb = true;
});
},
"mouseover":function(e){
if( e.target.tagName=="A" && urlReg.test(e.target.href) ){
var a = e.target;
var href = a.href.replace("http","https") + "&wd=&eqid=0";
transcode(href,a,function(a,url){
a.href = url;
});
}
}
});
bind(window,{
"scroll":init,
"load":function(){
if(hasOb){
return;
}
console.log('onload');
init();
ob(document,{
"childList":true,
"subtree":true
},function(){
init();
});
}
});
})(document);
