Putlocker Navigation Buttons

Add navigation buttons (previous,next) under putlocker tvshow videos.

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==UserScript==
// @name         Putlocker Navigation Buttons
// @name:zh-CN   Putlocker电视剧上/下集按钮
// @namespace    http://rotar.tk/
// @version      0.1.4
// @description  Add navigation buttons (previous,next) under putlocker tvshow videos.
// @description:zh-CN  在Putlocker电视剧播放页面添加上/下集按钮。
// @author       Rotar
// @match        http://putlockers.ch/watch*
// @grant        none
// ==/UserScript==

(function() {
	'use strict';
	var curl = window.location.href;
	var vals = /watch-([a-z0-9\-]*)-tvshow(-season-([0-9]{1,2})-episode-([0-9]{1,2}))?-online/.exec(curl);
	var se = 0, ep = 0;
	var iurl = curl.replace(/-season-([0-9]{1,2})-episode-([0-9]{1,2})/,"");
	var retries = 3;

	var list = {
		seasons: [],
		season: function(){
			return this.seasons.length-1;
		},
		episode: function(season){
			return this.seasons[season];
		},
		next: function(season,episode){
			if((episode+1)>this.episode(season)){
				if((season+1)>this.season()){
					return null;
				}else{
					return [season+1,1];
				}
			}else{
				return [season,episode+1];
			}
		},
		previous: function(season,episode){
			if((episode-1)<1){
				if((season-1)<1){
					return null;
				}else{
					return [season-1,this.episode(season-1)];
				}
			}else{
				return [season,episode-1];
			}
		}
	};

	if(typeof(vals[2])!="undefined"){//on an episode page
		se = parseInt(vals[3]);
		ep = parseInt(vals[4]);

		var contentbox = document.getElementsByClassName("content-box")[0];
		var msgdiv = document.getElementsByClassName("message")[0];

		var navi = document.createElement("div");
		navi.id = "navi_box";
		navi.style.height = "40px";
		navi.style.position = "relative";
		navi.style.textAlign = "center";
		navi.style.fontFamily = "Arial";
		navi.style.fontSize = "22px";
		navi.style.marginTop = "-5px";
		navi.style.display = "None";

		var prev = document.createElement("a");
		prev.id = "prev_btn";
		prev.style.position = "absolute";
		prev.style.left = "5px";
		prev.style.padding = "5px";
		prev.style.color = "#EEEEEE";
		prev.innerHTML = "PREVIOUS";
		prev.className = "movgr";
		prev.style.display = "None";
		navi.appendChild(prev);

		var next = document.createElement("a");
		next.id = "next_btn";
		next.style.position = "absolute";
		next.style.right = "5px";
		next.style.padding = "5px";
		next.style.color = "#EEEEEE";
		next.innerHTML = "NEXT";
		next.className = "movgr";
		next.style.display = "None";
		navi.appendChild(next);

		contentbox.insertBefore(navi,msgdiv);
		getIndex(iurl);
	}

	function validate(elem){
		var result;
		if(elem.innerHTML.toLowerCase().substr(0,4)=="prev"){
			result = list.previous(se,ep);
		}else{
			result = list.next(se,ep);
		}
		if(result){
			var nurl = window.location.href.replace("-season-"+se+"-episode-"+ep,"-season-"+result[0]+"-episode-"+result[1]);
			elem.href = nurl;
			if(result[0]<se){
				elem.innerHTML = "PREVIOUS SEASON";
			}else if(result[0]>se){
				elem.innerHTML = "NEXT SEASON";
			}
			elem.style.display = "block";
			navi.style.display = "block";
		}
	}

	function getIndex(lurl){
		var responseb;
		var xhr = new XMLHttpRequest();
		xhr.onloadend = function() {
			if (xhr.status == 200 || xhr.status == 304) {
				responseb = xhr.responseText;
				var dp = new DOMParser();
				var rdom = dp.parseFromString(responseb,'text/html');
				console.log("Index Successfully Fetched");

				var icontentbox = rdom.getElementsByClassName("content-box")[0];
				var tbs = icontentbox.getElementsByTagName("table");
				for(var i=0; i<(tbs.length-5); i++){//put number of episodes for each season into list.seasons
					list.seasons[i+1]=tbs[2+i].childNodes[0].childNodes.length;
				}
				validate(prev);
				validate(next);
			}else{
				console.log("[Request Error] Index fetching failed.");
				retries--;
				if(retries>=0){
					console.log("[Request Error] Retrying in 3 seconds");
					setTimeOut(function(){
						console.log("Fetching Index...");
						getIndex(lurl);
					},3000);
				}
			}
		};

		xhr.open('GET', lurl, true);
		xhr.send(null);
	}
})();