// ==UserScript==
// @name      Google & baidu Switcher (ALL in One)
// @namespace  https://openuserjs.org/scripts/t3xtf0rm4tgmail.com/Google_baidu_Switcher_(ALL_in_One)
// @author    F9y4ng
// @version    1.5.0.1
// @description  分别在百度和google的搜索结果页面增加搜索跳转按钮，使用到外链微软CDN的jquery-1.7.2.min.js，不懂跳墙使用GOOGLE的同学请自动忽略。自动判断百度和google对JQUERY的载入，并动态载入Jquery.js。
// @icon        data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAYAAABzenr0AAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAHpSURBVFhH7Ze7SsRAFIYXLSwUaxXEQlEUfQIrWxUsfAk7G2+VYGHnO9j7AjYqaClYWCtWFlp5QfDS6P8lORCGTHZGswnC/vDBzDlz/kkys5lsq6v/qgfx7UCsFo0Id3KDXMe1IpjsOOmlok2MXMd1IJhsP+mlok2MXCUaE1diV0wSkObEhWAiWBUm2hZnDGMRtXjghWewjoQZwrX4yNo3Yl0MCBNtYuQY8y6oyXvgGaQFQcGLOBRPWf9LbIge4RM5xjCWGmrxwIs+3qXqFXblGKE+weaaT3phYiw11CK88MSbObxaE3a3owQ8Whan4i2D9pLwCS97Kszh1ZS4EwxkPSeEqz1BvghyrvCwvYE3c5RqSFwKCh6F/QoQd06cDcljHc7YFJ+CXP5JUIsHcTzxDlK/uBcUzhDIdCaI2f7Ia1uQY4yJWmJ44RmlZ0HxYNJL9SqIcdeuiJFjjIlaYnhFK/YC7Iyo5ALaLQFr7mpHkMsvwbQgFrUEIZuQDcdFcNfA5EWbcFxEbcLGf4ahLyLu8kSw3kB7UfgU/CJq/FWMyg4j1r3dYbQl7G6jDyNT0XHMEUv7VviOY3KM+dNxjHwfJOfCDH0fJIyZFejXHyRlquWTrExsLiZr7KPUXrlFkKtFjf4x6apCtVo/mQri6IC8s1UAAAAASUVORK5CYII=
// @compatible  Chrome + tampermonkey
// @compatible  Firefox + tampermonkey
// @compatible  Microsoft Edge + tampermonkey
// @compatible  opera + tampermonkey
// @compatible  safari //暂未测试
// @include         /^https?\:\/\/[a-zA-Z0-9]*.google.[^\/]+/
// @include        http://www.baidu.com/*
// @include        https://www.baidu.com/*
// @license        MPL-2.0
// @copyright      2015+, f9y4ng
// @grant          none

// @downloadURL none
// ==/UserScript==

if ("undefined" == typeof (jQuery)) {
  loadJs("for_google", "https://ajax.aspnetcdn.com/ajax/jQuery/jquery-1.7.2.min.js", callbackFunction);
}
else {
  $(document).ready(function () {
    function baiduswitchgoogle() {
      $('.s_btn_wr').after('<div class="s_btn_wr bg" style="display:inline-block;margin-left:10px">\
                <input type="button" id="ggyx" value="Google一下" class="bg s_btn" ></div>');
      $('#ggyx').on({
        click: function () {
          var BSurl = GetUrlParam("tn"); //百度几个频道的命名和参数可以人道毁灭了，图片搜索没心情兼容。
          switch (BSurl) {
            case "news":
              BSurl = "tbm=nws&q=";
              break;
            case "vsearch":
              BSurl = "tbm=vid&q=";
              break;
            default:
              BSurl = "q=";
          }
          window.open("https://www.google.com/search?newwindow=1&hl=zh-CN&source=hp&" + BSurl + encodeURIComponent($('#kw').val()));
          return false;
        }
      });
    }
    if (GetUrlParam("wd").length > 0 || window.location.href.lastIndexOf("/s?") > 0) {
      baiduswitchgoogle();
    }
    //2018/11/07 F9y4ng 检测从baidu首页进入的搜索
    if (/^http(s)?:\/\/(www\.)?baidu\.com\/$/ig.test(window.location.href)) {
      $("#kw").on("blur", function () {
        if ($('#kw').val().length > 0) {
          setTimeout(function () {
            if ($('#ggyx').length < 1 && GetUrlParam("wd").length > 0) {
              baiduswitchgoogle();
            }
          }, 600);
        }
      });
    }
  });
}

function callbackFunction() {
  $(document).ready(function () {
    function googleswitchbaidu() {
      $('#tsf').prepend('<div id="sfdiv_bd" style="display:inline-block;position:relative;height:0px;width:110px;right:-115px;\
        top:0px;float:right;"><button id="bdyx" class="lsbb kpbb" style="width:120px;height:49px;margin-top:-2px;cursor:pointer;\
        display: flex;border-radius: 8px;border: 1px solid #dfe1e5;box-shadow: none;border-radius: 24px;" type="button"><span \
        class="sbico" id="bdyxss" style="color:#fff;">\
        <svg style="fill: #fff;" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"\
        width="18px" height="18px" viewBox="0 0 64 64" xml:space="preserve">\
      <path d="M62.243,53.758L44.658,36.173C46.768,32.602,48,28.449,48,24C48,10.745,37.255,0,24,0S0,10.745,0,24s10.745,24,24,24\
        c4.449,0,8.602-1.232,12.173-3.342l17.584,17.584C54.843,63.329,56.343,64,58,64c3.314,0,6-2.686,6-6\
        C64,56.343,63.328,54.843,62.243,53.758z M24,42c-9.941,0-18-8.059-18-18c0-9.941,8.059-18,18-18c9.941,0,18,8.059,18,18\
        C42,33.941,33.941,42,24,42z"/></svg></span>\
        <span id="bdyxwz" style="font-size: 16px; margin-left:26px">百度一下</span></button></div>');
      $('#sfdiv_bd').off("click").on({
        click: function () {
          var kw = $('input[name="q"]').val();
          //获取属性标签容错
          if ("undefined" == typeof (kw)) {
            kw = GetUrlParam("q");
          }
          var GSurl = GetUrlParam("tbm");
          switch (GSurl) {
            case "isch":
              GSurl = "https://image.baidu.com/search/index?tn=baiduimage&ie=utf-8&word=";
              break;
            case "vid":
              GSurl = "https://www.baidu.com/sf/vsearch?pd=video&tn=vsearch&ie=utf-8&wd=";
              break;
            case "nws":
              GSurl = "https://www.baidu.com/s?tn=news&rtt=4&bsst=1&cl=2&wd=";
              break;
            default:
              GSurl = "https://www.baidu.com/s?ie=utf-8&rqlang=cn&wd=";
          }
          window.open(GSurl + encodeURIComponent(kw));
          return false;
        }
      });
    }
    if (window.location.hash.lastIndexOf("q=") > 0 || window.location.search.lastIndexOf("q=") > 0) {
      googleswitchbaidu();
    }
    //2019/05/21 F9y4ng 修正GOOGLE首页自动提交搜索优先级
    if (/^http(s)?:\/\/(www\.)?google\.\w+(\.\w+)?\/$/ig.test(window.location.href) || GetUrlParam("q") === null || GetUrlParam("q") === "") {
      var gfm = $('input[name="q"]');
      if ("undefined" == typeof (gfm)) {
        gfm = $("input[role='combobox']");
      }
      gfm.off('click').on({
        blur: function () {
          if (gfm.val().length > 0) {
            setTimeout(function () {
              $("form").submit();
            }, 200);
          }
        }
      });
    }
    var ua = myBrowser();
    if (GetUrlParam("tbm") !== "" && GetUrlParam("tbm") !== null) {
      $('#bdyxwz').css('margin-left', '2px');
    }
    if (ua == "FF" || ua == "Edge") {
      $('#bdyxwz').css('margin-top', '10px');
      $('#bdyxss').css('margin', '15px 2px 0 4px');
    }
    else {
      $('#bdyxwz').css('margin-top', '0px');
      $('#bdyxss').css('margin', '4px 2px 0 4px');
    }
    var elm = $('#bdyx');
    var startPos = $(elm).offset().top;
    $.event.add(window, "scroll", function () {
      var p = $(window).scrollTop();
      $(elm).css('height', ((p) > startPos - 5) ? '37px' : '49px');
      if (ua == "FF" || ua == "Edge") {
        $('#bdyxwz').css('margin-top', ((p) > startPos) ? '5px' : '10px');
        $('#bdyxss').css('margin', ((p) > startPos) ? '10px 2px 0 4px' : '15px 2px 0 4px');
      }
      if (GetUrlParam("tbm") !== "" && GetUrlParam("tbm") !== null) {
        $('#bdyx').css('margin-top', ((p) > startPos) ? '8px' : '-2px');
      }
    });
  });
}

function loadJs(sid, jsurl, callback) {
  var nodeHead = document.getElementsByTagName('head')[0];
  var nodeScript = null;
  if (document.getElementById(sid) === null) {
    nodeScript = document.createElement('script');
    nodeScript.setAttribute('type', 'text/javascript');
    nodeScript.setAttribute('src', jsurl);
    nodeScript.setAttribute('id', sid);
    if (callback !== null) {
      nodeScript.onload = nodeScript.onreadystatechange = function () {
        if (nodeScript.ready) {
          return false;
        }
        if (!nodeScript.readyState || nodeScript.readyState == "loaded" || nodeScript.readyState == 'complete') {
          nodeScript.ready = true;
          callback();
        }
      };
    }
    nodeHead.appendChild(nodeScript);
  }
  else {
    if (callback !== null) {
      callback();
    }
  }
}

function GetUrlParam(paraName) {
  var url = document.location.toString();
  var arrObj = url.split("?");
  if (arrObj.length > 1) {
    var arrPara = arrObj[1].split("&");
    var arr;
    for (var i = 0; i < arrPara.length; i++) {
      arr = arrPara[i].split("=");
      if (arr !== null && arr[0] == paraName) {
        return arr[1];
      }
    }
    return "";
  }
  else {
    return "";
  }
}

function myBrowser() {
  var userAgent = navigator.userAgent;
  if (userAgent.indexOf("Firefox") > -1) {
    return "FF";
  }
  if (userAgent.indexOf("Edge") > -1) {
    return "Edge";
  }
}