贴吧预加载，自动加载下一页内容，同时附带消灭贴吧自带 Lazy Load 功能
目前為
// ==UserScript==
// @name Tieba Preload
// @version 1.2
// @description 贴吧预加载，自动加载下一页内容，同时附带消灭贴吧自带 Lazy Load 功能
// @match http://tieba.baidu.com/*
// @include http://tieba.baidu.com/*
// @author 864907600cc
// @icon http://1.gravatar.com/avatar/147834caf9ccb0a66b2505c753747867
// @run-at document-end
// @grant GM_registerMenuCommand
// @namespace https://greasyfork.org/users/141
// ==/UserScript==
// 贴子判断方式由 kookxiang 提供
// 本脚本基于 GPLv3 协议开源 http://www.gnu.org/licenses/gpl.html
// (c) 86497600cc. Some Rights Reserved.
// 修复使用 GM 函数后脚本失效的问题，thanks to shyangs
window=unsafeWindow;
_=unsafeWindow._;
PageData=unsafeWindow.PageData;
//Page=unsafeWindow.Page;
var notification=document.createElement('div'),
setting=window.localStorage.getItem('tb_preload_setting')?(window.localStorage.getItem('tb_preload_setting').indexOf('{')>=0?JSON.parse(window.localStorage.getItem('tb_preload_setting')):{thread_preload:1,thread_list_lazyload:1}):{thread_preload:1,thread_list_lazyload:1},
stylesheet='@keyframes setting_panel_show{0%{top:100px;opacity:0}80%{top:-20px;opacity:1}100%{top:0px;opacity:1}}@-webkit-keyframes setting_panel_show{0%{top:100px;opacity:0}80%{top:-20px;opacity:1}100%{top:0px;opacity:1}}@keyframes setting_panel_hide{0%{top:0px;opacity:1}20%{top:-20px;opacity:1}100%{top:100px;opacity:0}}@-webkit-keyframes setting_panel_hide{0%{top:0px;opacity:1}20%{top:-20px;opacity:1}100%{top:100px;opacity:0}}.tb_preload_notification{position:fixed;right:10px;padding:5px;bottom:-50px;box-shadow:0 0 1px 5px rgba(0,0,0,0.5);background:rgba(0,0,0,0.5);font-size:12px;color:#fff;opacity:0;-webkit-transition:0.25s all linear;-o-transition:0.25s all linear;transition:0.25s all linear;user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;cursor:pointer;z-index:999999}.tb_preload_notification[show]{bottom:10px;opacity:1}.tb_preload_page{width:100%;font-size:14px;text-align:center}.tb_preload_page a{text-decoration:none;color:#333;margin:20px 0;display:block}.tb_preload_setting{color:#2d64b3;cursor:pointer}.list_loading,.right_section [data-type="tb-datalazyload"]{display:none}.vpic_wrap img{max-height:90px}.tb_preload_setting_panel{width:600px;height:200px;margin:auto;position:fixed;top:0;bottom:0;left:0;right:0;z-index:999998;box-shadow:rgba(0,0,0,.5) 0 0 0 2500px,rgba(255,255,255,.75) 0 0 200px;background:rgba(255,255,255,.75);font-size:14px;-webkit-user-select:none;-moz-user-select:none;-webkit-animation:setting_panel_show 0.75s ease-in;animation:setting_panel_show 0.75s ease-in;font-family:"Hiragino Sans GB","Microsoft Yahei","WenQuanYi Micro Hei",Arial,Tahoma,sans-serif}.tb_preload_setting_panel[close]{-webkit-animation:setting_panel_hide 0.75s ease-out;animation:setting_panel_hide 0.75s ease-out}.tb_preload_setting_panel_bg{width:100%;height:100%;position:fixed;left:0;top:0;z-index:999997}.tb_preload_setting_panel span,.tb_preload_setting_panel a{display:block;cursor:pointer;height:20px;line-height:20px;margin:10px;-webkit-transition:all 0.25s linear;-moz-transition:all 0.25s linear;transition:all 0.25s linear}.tb_preload_setting_panel span{color:#F00;padding-left:50px}.tb_preload_setting_panel span:hover{text-shadow:#F00 0 0 1px}.tb_preload_setting_panel span[active]:hover,.tb_preload_setting_panel a:hover{text-shadow:#7fb900 0 0 1px}.tb_preload_setting_panel span::before{content:"×";display:inline-block;width:20px}.tb_preload_setting_panel span[active]{color:#7FB900}.tb_preload_setting_panel span[active]::before{content:"√"}.tb_preload_setting_panel p{margin:20px;font-size:20px;height:24px;line-height:24px;cursor:default;font-family:"Segoe Script";text-shadow: #000 0 0 2px}.tb_preload_setting_panel a{color:#7FB900;font-family:"Segoe Script";text-align:center}.tbui_follow_fixed{display:block!important}/*img[origin-src]{display:none!important}*/',
setting_panel=false,
ss=document.createElement('style');
ss.textContent=stylesheet;
document.head.appendChild(ss);
notification.className='tb_preload_notification';
document.body.appendChild(notification);
function set_function(v){
if(v==1){
if(setting.thread_preload==1){
setting.thread_preload=0;
if(setting_node){
setting_node.textContent='开启自动加载';
setting_node_2.textContent='开启自动加载';
}
if(PageData.product=='pb'&&typeof loader!='undefined'&&loader!=null){
clearInterval(loader);
loader=null;
}
notification.textContent='已关闭自动加载......';
notification.setAttribute('show','true');
setTimeout(function(){notification.removeAttribute('show')},5000);
}
else{
setting.thread_preload=1;
if(setting_node){
setting_node.textContent='关闭自动加载';
setting_node_2.textContent='关闭自动加载';
}
if(PageData.product=='pb'&&typeof loader!='undefined'&&loader==null)preload_listener();
notification.textContent='已开启自动加载......';
notification.setAttribute('show','true');
setTimeout(function(){notification.removeAttribute('show')},5000);
}
}
else if(v==2){
if(setting.thread_list_lazyload==1){
setting.thread_list_lazyload=0;
//setting_node.textContent='开启自动去除首页 lazyload';
if(PageData.product=='frs'&&typeof loader!='undefined'&&loader!=null){
clearInterval(loader);
loader=null;
document.getElementById('frs_list_pager').onclick=null;
}
notification.textContent='已禁用自动去除首页 lazyload......';
notification.setAttribute('show','true');
setTimeout(function(){notification.removeAttribute('show')},5000);
}
else{
setting.thread_list_lazyload=1;
//setting_node.textContent='禁用自动去除首页 lazyload';
if(PageData.product=='frs'&&typeof loader!='undefined'&&loader==null)kill_tieba_lazyload_listener();
notification.textContent='已开启自动去除首页 lazyload......';
notification.setAttribute('show','true');
setTimeout(function(){notification.removeAttribute('show')},5000);
}
}
window.localStorage.setItem('tb_preload_setting',JSON.stringify(setting));
}
function call_setting(){
if(setting_panel==false){
setting_panel=true;
var panel=document.createElement('div'),
panel_bg=document.createElement('div');
panel_bg.className='tb_preload_setting_panel_bg';
panel.className='tb_preload_setting_panel';
panel_bg.onclick=function(){
panel.setAttribute('close',true);
setTimeout(function(){panel.parentElement.removeChild(panel);},700);
panel_bg.parentElement.removeChild(panel_bg);
setting_panel=false;
}
panel_bg.setAttribute('title','点击以关闭设置界面');
panel.innerHTML='<p align="center">Tieba Preload Setting</p><span class="tbpreload_setting_panel_thread_preload">自动加载贴子下一页</span><span class="tbpreload_setting_panel_thread_list_lazyload">去除贴吧首页 lazyload</span><a href="http://tieba.baidu.com/p/2939166340">Feedback</a>';
document.body.appendChild(panel);
document.body.appendChild(panel_bg);
var panel_thread_preload=document.getElementsByClassName('tbpreload_setting_panel_thread_preload')[0],
panel_thread_list_lazyload=document.getElementsByClassName('tbpreload_setting_panel_thread_list_lazyload')[0];
panel_thread_preload.onclick=function(){
set_function(1);
if(panel_thread_preload.hasAttribute('active'))panel_thread_preload.removeAttribute('active');
else panel_thread_preload.setAttribute('active',true);
}
panel_thread_list_lazyload.onclick=function(){
set_function(2);
if(panel_thread_list_lazyload.hasAttribute('active'))panel_thread_list_lazyload.removeAttribute('active');
else panel_thread_list_lazyload.setAttribute('active',true);
}
if(setting.thread_preload==1)panel_thread_preload.setAttribute('active','true');
if(setting.thread_list_lazyload==1)panel_thread_list_lazyload.setAttribute('active','true');
}
}
GM_registerMenuCommand('Tieba Preload Setting',call_setting);
if(typeof PageData!='undefined'&&PageData&&(PageData.product=='pb'||PageData.product=='frs')){ // 判断是否载入
var loading=false,
loader=null;
// 以下语句中代码来自 Kill Tieba Lazy Load (by 864907600cc, Licence: WTFPL)
function kill_tieba_lazyload(){
var codearea=document.getElementById('pblistCodeArea')||document.getElementById('frslistCodeArea')||null;
if(codearea!=null){
//document.getElementById('list_loading').outerHTML=document.getElementById('pblistCodeArea').value;
//document.getElementById('pblistCodeArea').parentElement.removeChild(document.getElementById('pblistCodeArea'));
var lazyload_t_nodes=codearea.childNodes;
for(var i=0;i<lazyload_t_nodes.length;i++){
if(lazyload_t_nodes[i].nodeType==8){
codearea.outerHTML=lazyload_t_nodes[i].data;
//lazyload_nodes[i].parentElement.removeChild(lazyload_nodes[i])
break;
}
}
}
if(document.querySelectorAll('img[data-tb-lazyload]')){
var lazyload_i_nodes=document.querySelectorAll('img[data-tb-lazyload]');
for(var i=0;i<lazyload_i_nodes.length;i++){
lazyload_i_nodes[i].setAttribute('src',lazyload_i_nodes[i].getAttribute('data-tb-lazyload'));
lazyload_i_nodes[i].removeAttribute('data-tb-lazyload');
}
}
if(document.querySelectorAll('img[onloadfun="listimg"][original]')){
var lazyload_i_nodes=document.querySelectorAll('img[onloadfun="listimg"][original]');
for(var i=0;i<lazyload_i_nodes.length;i++){
lazyload_i_nodes[i].setAttribute('src',lazyload_i_nodes[i].getAttribute('original'));
}
}
if(PageData.product=='pb'){
_.Module.use("pb/widget/ForumListV3", {});
_.Module.use('pb/component/NoAutoVideo',[{text_videofrom:'视频来自: '}]);
//Page.bindOpenImg();
}
if(PageData.product=='frs'&&document.cookie.match(/batch_delete_mode=(\w{4,5})/)&&document.cookie.match(/batch_delete_mode=(\w{4,5})/)[1]=='true'){
var tls=document.getElementsByClassName('j_thread_list');
for(var i=0;i<tls.length;i++){
if(!tls[i].getElementsByClassName('batch_delete')[0]){
var s='<div class="batch_delete j_batch_delete"><div class="batch_delete_text">勾选</div><input type="checkbox" class="batch_delete_select j_batch_delete_select"></div>';
var t=document.createElement('div');
tls[i].appendChild(t);
t.outerHTML=s;
}
}
}
}
// 以下语句中代码基于 Tieba Preload 修改 (by 864907600cc, Licence: GPLv3 | http://ccloli.com/201212/tieba-preload-source/)
function whether_fetching(){
//console.log('whether_fetching');
var getscroll=document.documentElement.scrollTop||document.body.scrollTop,
scroll_psi=document.body.scrollHeight-getscroll;
if(scroll_psi<=5000&&loading==false){
if(cur_page<total_page){
loading=true;
fetch_next_page();
}
//else window.onscroll=null;
else clearInterval(loader);
}
}
function fetch_next_page(){
//console.log('fetch_next_page');
var url=page_url+'?see_lz='+see_lz+'&pn='+next_page;
xhr.onreadystatechange=function(){
if(xhr.readyState==4&&xhr.status==200){
var str=xhr.responseText;
if(PageData.page=='v1')var data=str.split('"p_postlist"')[1].split('<div class="p_thread')[0].match(/>([\s\S]+)/)[1]; // 旧版贴吧
else var data=str.split('"p_postlist"')[1].split('"right_section')[0].match(/>([\s\S]+)<\/div>[\s\S]*<\/div>[\s\S]*<div/)[1]; // 先 split 再 match 减少资源消耗（>20s → <1s）
var node=document.getElementsByClassName('p_postlist')[0],
t_node=document.createElement('div'),
p_node=document.createElement('div');
p_node.className='tb_preload_page';
p_node.innerHTML='<a href="'+url+'">第 '+next_page+' 页，共 '+total_page+' 页</a>';
node.appendChild(p_node);
node.appendChild(t_node);
t_node.outerHTML=data;
kill_tieba_lazyload();
++cur_page;
++next_page;
loading=false;
if(cur_page==total_page)clearInterval(loader);
notification.removeAttribute('show');
}
}
xhr.open('GET',url);
xhr.send();
notification.setAttribute('show','true');
notification.textContent='正在加载第 '+next_page+' 页......';
}
function preload_listener(){
if(setting.thread_preload==1&&cur_page!=total_page){
//console.log('aaa');
//window.onscroll=function(){ // 改用定时器以节省资源
loader=setInterval(function(){whether_fetching()},1000);
//}
}
}
function kill_tieba_lazyload_listener(){
if(setting.thread_list_lazyload==1){
kill_tieba_lazyload();
document.getElementById('frs_list_pager').onclick=function(){
if(loader==null)loader=setInterval(function(){
if(document.getElementById('frslistCodeArea')){
kill_tieba_lazyload();
clearInterval(loader);
loader=null;
kill_tieba_lazyload_listener();
}
},1000);
}
}
}
notification.onclick=function(){set_function(1)};
if(PageData.product=='frs'){
/*if(document.getElementsByClassName('th_footer_l')[0]){
var setting_node=document.createElement('a'),
page_node=document.getElementsByClassName('th_footer_l')[0];
setting_node.textContent=setting.thread_list_lazyload==1?'禁用自动去除首页 lazyload':'开启自动去除首页 lazyload'; // 好长 _(:з」∠)_
setting_node.className='tb_preload_setting';
setting_node.onclick=function(){set_function(2)};
page_node.appendChild(setting_node);
}*/
notification.style.pointerEvents='none';
kill_tieba_lazyload_listener();
}
else if(PageData.product=='pb'&&PageData.pager){
kill_tieba_lazyload();
// 以下语句中部分判断代码来自 Chrome 扩展程序 KK 贴吧工具箱 (by kookxiang | https://chrome.google.com/webstore/detail/bcmemjlkdbeephmnklgimfnjlmfhfdgi)
/*cur_page=0,
total_page=0,
page_url='',
see_lz=0,*/
var xhr=new XMLHttpRequest(),
cur_page=PageData.pager.cur_page,
total_page=PageData.pager.total_page,
page_url=PageData.thread_url?'//tieba.baidu.com'+PageData.thread_url:location.href.match(/\/\/tieba\.baidu\.com\/p\/\d+/)[0],
see_lz=PageData.special.lz_only,
next_page=cur_page+1;
var setting_node=document.createElement('li'),
page_node=document.getElementsByClassName('l_posts_num');
setting_node.textContent=setting.thread_preload==1?'关闭自动加载':'开启自动加载';
setting_node.className='tb_preload_setting';
var setting_node_2=setting_node.cloneNode(true);
setting_node.onclick=function(){set_function(1)};
setting_node_2.onclick=function(){set_function(1)};
if(page_node[0])page_node[0].insertBefore(setting_node,page_node[0].getElementsByClassName('l_pager')[0].nextSibling);
if(page_node[1])page_node[1].insertBefore(setting_node_2,page_node[1].getElementsByClassName('l_pager')[0].nextSibling);
preload_listener();
}
}