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Countdown Timer for the Random Encounter Event on E-Hentai

Adds a countdown timer for the Random Encounter event on E-Hentai.org and its subdomains.

当前为 2014-08-10 提交的版本，查看 最新版本。

// ==UserScript==
// @name            Countdown Timer for the Random Encounter Event on E-Hentai
// @description     Adds a countdown timer for the Random Encounter event on E-Hentai.org and its subdomains.
// @include         http://e-hentai.org/*
// @include         http://*.e-hentai.org/*
// @version 0.0.1.20140810021327
// @namespace https://greasyfork.org/users/2233
// ==/UserScript==

var wnd = window
var doc = wnd.document
var loc = location
var href = loc.href

if(/(\.e-hentai\.org\/)|(^e-hentai.org\/)/.test(loc.hostname+'/'))
{
    var get_cookie = function(k) {
        var cookies = doc.cookie.split('; ')
        for(var i=cookies.length-1; i>=0; i--) { if(new RegExp(k+'=').test(cookies[i])) { return unescape(cookies[i].substring(k.length+1)) } }
    }
    var set_cookie = function(k, v) { doc.cookie = k + '=' + escape(v) + '; expires=Fri, 31 Dec 9999 23:59:59 GMT; domain=.e-hentai.org; path=/;' }

    if(isNaN(get_cookie('event'))) { console.log('The "event" cookie does not exist or is invalid.'); throw 'exit' }
    if(isNaN(get_cookie('re_cnt'))) { set_cookie('re_cnt', 0) }
    if(!get_cookie('re_lst')) { set_cookie('re_lst', '[]') }

    var timer_box = doc.createElement('DIV')
    timer_box.id = 'countdown_timer'
    timer_box.onclick = function() { if(/\bReady\b/i.test(this.textContent)) { wnd.open('http://e-hentai.org/', href=='http://e-hentai.org/'?'_self':'_blank') } }

    var toggle_re_lst = function() {
        //alert(get_cookie('re_lst'))
        var re_lst_box = doc.getElementById('re_lst_box')
        if(re_lst_box) { re_lst_box.parentNode.removeChild(re_lst_box); return }
        re_lst_box = doc.createElement('DIV')
        re_lst_box.id = 're_lst_box'
        re_lst_box.style.cssText = 'top:15px; right:0px; position:fixed; z-index:2147483647; background:rgba(0,255,0,0.2); color:#ff0000;'
        re_lst_box.innerHTML = '[List of RE Events Occurred Today]<BR>'

        var decode_hv_b64 = function(hv_b64) {
            var e = hv_b64
            var d = atob(e)
            var m = /([^-]+?)-([^-]+?)-([^-]+)/.exec(d)
            if(m == null) { return }
            var uid = m[1]
            var epoch = m[2]
            var hash = m[3]
            var da = new Date()
            da.setTime(parseInt(epoch)*1000)
            da = da.toLocaleTimeString()
            var a = doc.createElement('A')
            a.href = 'http://hentaiverse.org/?s=Battle&ss=ba&encounter=' + e
            a.target = '_blank'
            a.text = da
            a.style.cssText = 'color:#ff0000; text-decoration:underline;'
            return a
        }
        var re_lst = JSON.parse(get_cookie('re_lst'))
        for(var i=0, len=re_lst.length; i<len; i++) {
            var a = decode_hv_b64(re_lst[i])
            if(i != 0) { re_lst_box.appendChild(doc.createElement('BR')) }
            re_lst_box.appendChild(a)
        }
        doc.body.appendChild(re_lst_box)
    }
    addEventListener('keydown', function(evt) { if((evt.target.tagName!='INPUT') && (evt.target.tagName!='TEXTAREA') && (evt.keyCode == 76)) { toggle_re_lst() } }, false)

    if(/\/e-hentai\./.test(href)) {
        timer_box.style.color = '#ff0000'
        doc.getElementById('newshead').appendChild(timer_box)
    } else {
        timer_box.style.cssText = 'line-height:15px; top:0px; right:0px; position:fixed; z-index:2147483647; background:rgba(0,255,0,0.2); color:#ff0000;'
        doc.body.appendChild(timer_box)
    }

    var update_timer = function() {
        if(href == 'http://e-hentai.org/') {
            var da = new Date()
            if((da.getUTCHours()==0) && (da.getUTCMinutes()==0) && (da.getUTCSeconds()<=3)) { setTimeout(function() {loc.reload()}, 3000) }
        }
        var now = Math.floor(new Date().getTime()/1000)
        var diff = parseInt(get_cookie('event')) + 1800 - now
        if(diff <= 0) {
            timer_box.textContent = 'Ready! re_cnt=' + get_cookie('re_cnt')
            if(href == 'http://e-hentai.org/') { loc.reload() }
        } else {
            var mm = Math.floor(diff / 60) + ''
            mm = (mm.length >= 2 ? mm : '0' + mm)
            var ss = Math.floor(diff % 60) + ''
            ss = (ss.length >= 2 ? ss : '0' + ss)
            timer_box.textContent = mm + ':' + ss + ', re_cnt=' + get_cookie('re_cnt')
        }
        setTimeout(update_timer, 1000)
    }
    update_timer()

    var eventpane = doc.getElementById('eventpane')
    if(eventpane == null) { throw 'exit' }
    var re_evt = eventpane.querySelector('a[onclick*="http://hentaiverse.org/"]')
    if(re_evt) {
        var hv_lnk = /.*window\.open\(['"]?([^'"]+)['"]?/.exec(re_evt.onclick.toString().split('\n').join(''))
        if(hv_lnk) {
            hv_lnk = hv_lnk[1]
            hv_b64 = hv_lnk.replace(/.+?&encounter=([^&]*).*/, '$1') // the base64 encoded part
            var re_lst = JSON.parse(get_cookie('re_lst'))
            if(re_lst.length == 0) { re_lst = [] }
            if(re_lst.indexOf(hv_b64) == -1) { re_lst.push(hv_b64) }
            re_lst = JSON.stringify(re_lst, null, ' ')
            set_cookie('re_lst', re_lst)
        }
        else {
            console.log('Error: There is a random encounter event but the HentaiVerse link cannot be found.')
            throw 'exit'
        }
        re_evt.addEventListener('click', function() {
            eventpane.style.display = 'block'
            if(re_evt.text != 'HentaiVerse') { set_cookie('re_cnt', parseInt(get_cookie('re_cnt'))+1) }
            re_evt.text = 'HentaiVerse'
        }, false)
    }
    else if(/\bdawn\b/i.test(eventpane.textContent)) {
        set_cookie('re_cnt', 0)
        set_cookie('re_lst', '[]')
    }
}