E-Hentai Info on Hover

Displays additional gallery information when hovering over thumbnails. Only works in thumbnail mode.

您需要先安装一个扩展,例如 篡改猴Greasemonkey暴力猴,之后才能安装此脚本。

You will need to install an extension such as Tampermonkey to install this script.

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴Userscripts ,之后才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。

您需要先安装用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==UserScript==
// @name           E-Hentai Info on Hover
// @description    Displays additional gallery information when hovering over thumbnails. Only works in thumbnail mode.
// @namespace      http://userscripts.org/users/106844
// @include        http://e-hentai.org/*
// @include        https://e-hentai.org/*
// @include        http://g.e-hentai.org/*
// @include        https://g.e-hentai.org/*
// @include        http://exhentai.org/*
// @include        https://exhentai.org/*
// @grant          GM_getValue
// @grant          GM_setValue
// @grant          GM_xmlhttpRequest
// @version        0.2.6
// ==/UserScript==

var save = function(key,value) {
    if (typeof(GM_setValue) !== 'undefined') GM_setValue(key,value);
    else localStorage.setItem(key,value);
};

var load = function(key,def) {
  	if (typeof(GM_getValue) !== 'undefined') return GM_getValue(key,def);
    else return (localStorage.getItem(key) || def);
};

var doRequest = function(url, method, data, callback) {
    if (typeof(GM_xmlhttpRequest) === 'undefined') {
        var xhr = new XMLHttpRequest();
        xhr.open(method, url);
        xhr.onload = function() { callback(this); };
        xhr.send(data);
    } else {
        GM_xmlhttpRequest({
            url: url,
            method: method,
            data: data,
            onload: callback
        });
    }
};

/* * * * * * * * * */

var stringify = function(data) {
    var volatile = (new Date().valueOf() - data.posted*1000) < 1000*60*60*2;
    return data.gid + ':' + (volatile*1) + ':' + data.filesize + ':' + data.tags.join(',') + ':' + data.uploader;
};

var parse = function(data) {
    if (data && data[0] == '@') data = data.slice(1);
    var tokens = data.split(/:/);
	if (!tokens || tokens.length < 5) return null;
    return { gid: parseInt(tokens[0],10), volatile: parseInt(tokens[1],10) == 1,
        size: parseInt(tokens[2],10), tags: tokens[3].split(','), uploader: tokens[4] };
};

var getRegex = function(gid,flags) {
    return new RegExp('(@|^)' + gid + ':[^@]+',flags); 
};

/* * * * * * * * * */

var checkStorage = function(gid) {
    var data = load('g.cache',null);
    if (data === null) return null;
    var match = data.match(getRegex(gid));
    return match === null ? null : parse(match[0]);
};

var cleanStorage = function() {
    var data = load('g.cache',null), lastClean = load('g.lastClean',null);
    if (data === null) return;
    var now = new Date().valueOf(), hours = 1000*60*60;
    if (lastClean !== null && now - parseInt(lastClean,10) < 6*hours) return;
    data = data.split(/@/).filter(function(x) { var parsed = parse(x); return parsed && !parsed.volatile; });
    save('g.cache',data.join('@'));
    save('g.lastClean',now);
};

/* * * * * * * * * */

var startApiRequest = function(target) {
    apiBusy = true;
    var request = [ [ target.gid, target.token ] ], data = load('g.cache','');
    var temp = targets.filter(function(x) { return x.gid != target.gid && !getRegex(x.gid).test(data); });
    temp = temp.slice(0,24).map(function(x) { return [ x.gid, x.token ]; });
    request = request.concat(temp);
    request = JSON.stringify({ method: 'gdata', gidlist: request });
    doRequest('https://e-hentai.org/api.php', 'POST', request, function(data) { onApiLoad(target,data.responseText); });
};

var onApiLoad = function(target,response) {
    var data = load('g.cache',null);
    data = data === null ? [ ] : data.split(/@/);
    response = JSON.parse(response);
    response.gmetadata.forEach(function(x) { data.push(stringify(x)); });
    save('g.cache',data.slice(-1000).join('@'));
    apiBusy = false;
    if (timeout !== null) showData(target,checkStorage(target.gid));
};

/* * * * * * * * * */

var mouseOver = function(target) {
    if (apiBusy) return;
    if (timeout !== null) clearTimeout(timeout);
    timeout = setTimeout(function() { hoverTimeout(target); },500);
};

var mouseLeave = function(target) {
    if (timeout !== null) clearTimeout(timeout);
    timeout = null;
    target.target.classList.remove('gShow');
};

var hoverTimeout = function(target) {
    if (target.target.querySelector('.gData') !== null) {
        target.target.classList.add('gShow');
        return;
    }
    var data = checkStorage(target.gid);
    if (data !== null) showData(target,data);
    else startApiRequest(target);
};

/* * * * * * * * * */

var showData = function(target,data) {
    if (data === null) return;
    var div = document.createElement('div');
    var size = (Math.round(data.size/1024/1024*100)/100) + 'MB';
    div.appendChild(document.createElement('div')).innerHTML = size;
    if (data.uploader) {
        var uploader = document.createElement('a');
        uploader.href = window.location.origin + '/uploader/' + data.uploader;
        uploader.textContent = data.uploader;
        var uploaderContainer = document.createElement('span');
        uploaderContainer.appendChild(uploader);
        div.appendChild(uploaderContainer);
    }
    var tags = div.appendChild(document.createElement('div'));
    data.tags.forEach(function(x,n) {
        var a = tags.appendChild(document.createElement('a'));
        a.href = '/?f_search=' + x.replace(/\s/g,'+');
        a.innerHTML = x;
        if (n < data.tags.length-1) tags.appendChild(document.createTextNode(', '));
    });
    div.className = 'gData id1';
    target.target.appendChild(div);
    setTimeout(function() { target.target.classList.add('gShow'); },10);
};

/* * * * * * * * * */

var onPanda = (window.location.href.indexOf('exhentai') != -1);
var style = document.createElement('style');
style.innerHTML =
    '.gData { position: absolute; top: 0px; left: 0px; text-align: left; padding: 5px;' +
        'font-weight: bold; height: 100%; width: 95% !important; z-index: 1; font-size: 10px; margin: 0 !important;' +
        'border: none !important; border-radius: 0 !important; transition: left .5s; left: -300px;' +
        'color: ' + (onPanda ? 'white' : 'black') + '}' +
    '.gShow > .gData { left: 0px !important; }' +
    '.gData > :first-child:before { content: "Size: " }' +
    '.gData > :nth-child(2):not(:last-child):before { content: "Uploader: " }' +
    '.gData > :last-child:before { content: "Tags: " }' +
    '.gData > :last-child > a { color: ' + (onPanda ? 'white' : 'black') + ' !important; }' +
    '.gData > :last-child > a:hover { background: red !important; }' +
    '.automatedButton { z-index: 2; }';
document.head.appendChild(style);

/* * * * * * * * * */

var timeout = null, apiBusy = false;
var targets = Array.prototype.slice.call(document.querySelectorAll('.id3 > a'),0);

targets = targets.map(function(x) {
    var tokens = x.href.match(/g\/(\d+)\/([0-9a-f]{10,10})/);
    if (!tokens) return null;
    return { target: x, gid: parseInt(tokens[1],10), token: tokens[2] };
});
targets = targets.filter(function(x) { return x !== null; });

targets.forEach(function(x) {
    x.target.addEventListener('mouseover',function() { mouseOver(x); },false);
    x.target.addEventListener('mouseleave',function() { mouseLeave(x); },false);
});

cleanStorage();