// ==UserScript==
// @name        Sima-land.ru Popup Original Image Viewer/Downloader (modified version of MPIV)
// @description показывает при наведении мышью на фото товара оригинальное фото товара без наложения названия сайта, с возможностью сохранения фото в файл нажатием клавиши "d" на клавиатуре, или открытием фото в отдельной новой вкладке клавишей "t"
// @important при первой загрузке файла (фото) необходимо разрешить tampermonkey сохранять файлы, появиться отдельное окно с зеленой шапкой Tampermonkey и текстом "A userscript wants to access a cross-origin resource." Вам необходимо выбрать пункт Always allow или Always allow domain..
// @version     01.07.2020 alpha
// @homepage    http://sima-land.ru
// @author      itz
// @include     http*
// @grant       GM_getValue
// @grant       GM_setValue
// @grant       GM_xmlhttpRequest
// @grant       GM_openInTab
// @grant       GM_registerMenuCommand
// @grant       GM_setClipboard
// @connect-src *
// @namespace https://greasyfork.org/users/662096
// ==/UserScript==
'use strict';
var d = document, wn = window, hostname = location.hostname, trusted = ['greasyfork.org', 'w9p.co'], imgtab = d.images.length == 1 && d.images[0].parentNode == d.body && !d.links.length, cfg = loadCfg(), enabled = cfg.imgtab || !imgtab, _ = {}, hosts;
function loadCfg() {
return fixCfg(GM_getValue('cfg'), true);
}
function fixCfg(s, save) {
var cfg, def = {
version: 5,
delay: 500,
start: 'auto',
zoom: 'context',
center: false,
imgtab: false,
close: true,
preload: false,
css: '',
scales: [],
hosts: '',
scale: 1.5,
xhr: true
};
try { cfg = JSON.parse(s); } catch(ex) {}
if(typeof cfg != 'object' || !cfg) cfg = {}; else if(cfg.version == def.version) return cfg;
for(var dp in def) {
if(def.hasOwnProperty(dp) && typeof cfg[dp] != typeof def[dp]) cfg[dp] = def[dp];
}
if(cfg.version == 3 && cfg.scales[0] === 0) cfg.scales[0] = '0!';
for(var cp in cfg) {
if(!def.hasOwnProperty(cp)) delete cfg[cp];
}
cfg.version = def.version;
if(save) saveCfg(cfg);
return cfg;
}
function saveCfg(newCfg) {
GM_setValue('cfg', JSON.stringify(cfg = newCfg));
}
function loadHosts() {
var hosts = [
];
if(cfg.hosts) {
var lines = cfg.hosts.split(/[\r\n]+/);
for(var i = lines.length, s; i-- && (s = lines[i]);) {
try {
var h = JSON.parse(s);
if(h.r) h.r = new RegExp(h.r, 'i');
if(h.s && typeof h.s == 'string' && contains(h.s, 'return ')) h.s = new Function('m', 'node', h.s);
if(h.q && typeof h.q == 'string' && contains(h.q, 'return ')) h.q = new Function('text', 'doc', 'node', h.q);
if(contains(h.c, 'return ')) h.c = new Function('text', 'doc', 'node', h.c);
hosts.splice(0, 0, h);
} catch(ex) {
handleError('Host rule invalid: ' + s);
}
}
}
return hosts.filter(function(h) { return !h.d || contains(hostname, h.d); });
}
function onMouseOver(e) {
if(!enabled || e.shiftKey || _.zoom || !activate(e.target, e.ctrlKey)) return;
updateMouse(e);
if(e.ctrlKey) {
startPopup();
} else if(cfg.start == 'auto' && !_.manual) {
if(cfg.preload) {
_.preloadStart = Date.now();
startPopup();
setStatus('preloading', 'add');
} else {
_.timeout = wn.setTimeout(startPopup, cfg.delay);
}
if(cfg.preload) wn.setTimeout(function() { setStatus('preloading', 'remove'); }, cfg.delay);
}
else
setStatus('ready');
}
function onMouseOut(e) {
if(!e.relatedTarget && !e.shiftKey) deactivate();
}
function onMouseMove(e) {
updateMouse(e);
if(e.shiftKey) return (_.lazyUnload = true);
if(!_.zoomed && !_.cr) return deactivate();
if(_.zoom) {
placePopup();
var bx = _.view.width/6, by = _.view.height/6;
setStatus('edge', _.cx < bx || _.cx > _.view.width - bx || _.cy < by || _.cy > _.view.height - by ? 'add' : 'remove');
}
}
function onMouseDown(e) {
if(e.which != 3 && !e.shiftKey) deactivate(true);
else if(e.shiftKey && e.which == 1 && _.popup && _.popup.controls) _.controlled = _.zoomed = true;
}
function onMouseScroll(e) {
var dir = (e.deltaY || -e.wheelDelta) > 0 ? 1 : -1;
if(_.zoom) {
drop(e);
var idx = _.scales.indexOf(_.scale);
idx -= dir;
if(idx >= 0 && idx < _.scales.length) _.scale = _.scales[idx];
if(idx == 0 && cfg.close) {
if(!_.gItems || _.gItems.length < 2) return deactivate(true);
_.zoom = false;
showFileInfo();
}
if(_.zooming) _.popup.classList.add('mpiv-zooming');
placePopup();
updateTitle();
} else if(_.gItems && _.gItems.length > 1 && _.popup) {
drop(e);
nextGalleryItem(dir);
} else if(cfg.zoom == 'wheel' && dir < 0 && _.popup) {
drop(e);
toggleZoom();
} else {
deactivate();
}
}
function onKeyDown(e) {
if(e.keyCode == 16) {
setStatus('shift', 'add');
if(_.popup && 'controls' in _.popup) _.popup.controls = true;
} else if(e.keyCode == 17 && (cfg.start != 'auto' || _.manual) && !_.popup) {
startPopup();
}
}
function onKeyUp(e) {
switch(e.keyCode) {
case 16:
setStatus('shift', 'remove');
if(_.popup.controls) _.popup.controls = false;
if(_.controlled) return _.controlled = false;
_.popup && (_.zoomed || !('cr' in _) || _.cr) ? toggleZoom() : deactivate(true);
break;
case 17:
break;
case 27:
deactivate(true);
break;
case 39:
case 74:
drop(e);
nextGalleryItem(1);
break;
case 37:
case 75:
drop(e);
nextGalleryItem(-1);
break;
case 68:
drop(e);
var name = (_.iurl || _.popup.src).split('/').pop().replace(/[:#\?].*/, '');
if(!contains(name, '.')) name += '.jpg';
saveFile(_.popup.src, name, function() { setBar('Could not download ' + name + '.', 'error'); });
break;
case 84:
_.lazyUnload = true;
if(_.tabfix && !_.xhr && tag(_.popup) == 'IMG' && contains(navigator.userAgent, 'Gecko/'))
GM_openInTab('data:text/html;,' + encodeURIComponent('<html><head><style>body{margin:0;padding:0;background:#222}.fit{overflow:hidden}.fit>img{max-width:100vw;max-height:100vh}body>img{margin:auto;position:absolute;left:0;right:0;top:0;bottom:0}</style></head><body class="fit"><img onclick="document.body.classList.toggle(\'fit\')" src="' + _.popup.src + '"></body></html>'));
else
GM_openInTab(_.popup.src);
deactivate();
break;
default:
deactivate(true);
}
}
function saveFile(url, name, onError) {
var save = function(url) {
var a = ce('a');
a.href = url;
a.download = name;
a.dispatchEvent(new MouseEvent('click'));
};
if(contains(['blob:', 'data:'], url.substr(0, 5))) return save(url);
GM_xmlhttpRequest({
method: 'GET',
url: url,
responseType: 'blob',
onload: function(res) {
try {
var ou = wn.URL.createObjectURL(res.response);
save(ou);
wn.setTimeout(function() { wn.URL.revokeObjectURL(ou); }, 1000);
} catch(ex) {
onError(ex);
}
},
onError: onError
});
}
function onContext(e) {
if(e.shiftKey) return;
if(cfg.zoom == 'context' && _.popup && toggleZoom()) return drop(e);
if((cfg.start == 'context' || (cfg.start == 'auto' && _.manual)) && !_.status && !_.popup) {
startPopup();
return drop(e);
}
wn.setTimeout(function() { deactivate(true); }, 50);
}
function onMessage(e) {
if(!contains(trusted, e.origin.substr(e.origin.indexOf('//') + 2)) || typeof e.data != 'string' || e.data.indexOf('mpiv-rule ') !== 0) return;
if(!qs('#mpiv-setup', d)) setup();
var inp = qs('#mpiv-hosts input:first-of-type', d);
inp.value = e.data.substr(10).trim();
inp.dispatchEvent(new Event('input', {bubbles:true}));
inp.parentNode.scrollTop = 0;
inp.select();
}
function startPopup() {
setStatus(false);
_.g ? startGalleryPopup() : startSinglePopup(_.url);
}
function startSinglePopup(url) {
setStatus('loading');
delete _.iurl;
if(_.follow && !_.q && !_.s) {
return findRedirect(_.url, function(url) {
var info = findInfo(url, _.node, true);
if(!info || !info.url) throw "Couldn't follow redirection target: " + url;
restartSinglePopup(info);
});
}
if(!_.q || Array.isArray(_.urls)) {
if(typeof _.c == 'function') {
_.caption = _.c(d.documentElement.outerHTML, d, _.node);
} else if(typeof _.c == 'string') {
var cnode = findNode(_.c, d);
_.caption = cnode ? findCaption(cnode) : '';
}
url = url.replace(/\/[^\/]*$/, '/700-nw.jpg')
_.iurl = url;
return _.xhr ? downloadImage(url, _.url) : setPopup(url);
}
parsePage(url, function(iurl, cap, url) {
if(!iurl) throw 'File not found.';
if(typeof cap != 'undefined') _.caption = cap;
if(_.follow === true || typeof _.follow == 'function' && _.follow(iurl)) {
var info = findInfo(iurl, _.node, true);
if(!info || !info.url) throw "Couldn't follow URL: " + iurl;
return restartSinglePopup(info);
}
_.iurl = iurl;
if(_.xhr) downloadImage(iurl, url); else setPopup(iurl);
});
}
function restartSinglePopup(info) {
for(var prop in info) _[prop] = info[prop];
startSinglePopup(_.url);
}
function startGalleryPopup() {
setStatus('loading');
var startUrl = _.url;
downloadPage(_.url, function(text, url) {
try {
var cb = function(items) {
if(!_.url || _.url != startUrl) return;
_.gItems = items;
if(_.gItems.length == 0) {
_.gItems = false;
throw 'empty';
}
_.gIndex = findGalleryPosition(_.url);
wn.setTimeout(nextGalleryItem, 0);
};
var items = _.g(text, url, cb);
if(typeof items != 'undefined') cb(items);
} catch(ex) {
handleError('Parsing error: ' + ex);
}
});
}
function findGalleryPosition(gUrl) {
var dir = 0, sel = gUrl.split('#')[1];
if(sel) {
if(/^[0-9]+$/.test(sel)) {
dir += parseInt(sel);
} else {
for(var i = _.gItems.length; i--;) {
var url = _.gItems[i].url;
if(Array.isArray(url)) url = url[0];
var file = url.substr(url.lastIndexOf('/') + 1);
if(contains(file, sel)) {
dir += i;
break;
}
}
}
}
return dir;
}
function loadGalleryParser(g) {
if(typeof g == 'function') return g;
if(typeof g == 'string') return new Function('text', 'url', 'cb', g);
return function(text, url) {
var qE = g.entry, qC = g.caption, qI = g.image, qT = g.title, fix = (typeof g.fix == 'string' ? new Function('s', 'isURL', g.fix) : g.fix) || function(s) { return s.trim(); };
var doc = createDoc(text), items = [], nodes = qsa(qE || qI, doc);
if(!Array.isArray(qC)) qC = [qC];
for(var i = 0, node, len = nodes.length; i < len && (node = nodes[i]); i++) {
var item = {};
try {
item.url = fix(findFile(qE ? qs(qI, node) : node, url), true);
item.desc = qC.reduce(function(prev, q) {
var n = qs(q, node);
if(!n) {
[node.previousElementSibling, node.nextElementSibling].forEach(function(es) {
if(es && matches(es, qE) === false) n = matches(es, q) ? es : qs(q, es);
});
}
return n ? (prev ? prev + ' - ' : '') + fix(n.textContent) : prev;
}, '');
} catch(ex) {}
if(item.url) items.push(item);
}
var title = qs(qT, doc);
if(title) items.title = fix(title.getAttribute('content') || title.textContent);
return items;
};
}
function nextGalleryItem(dir) {
if(dir > 0 && (_.gIndex += dir) >= _.gItems.length)
_.gIndex = 0;
else if(dir < 0 && (_.gIndex += dir) < 0)
_.gIndex = _.gItems.length - 1;
var item = _.gItems[_.gIndex];
if(Array.isArray(item.url)) {
_.urls =  item.url.slice(0);
_.url = _.urls.shift();
} else {
delete _.urls;
_.url = item.url;
}
setPopup(false);
startSinglePopup(_.url);
showFileInfo();
preloadNextGalleryItem(dir);
}
function preloadNextGalleryItem(dir) {
var idx = _.gIndex + dir;
if(_.popup && idx >= 0 && idx < _.gItems.length) {
var url = _.gItems[idx].url;
if(Array.isArray(url)) url = url[0];
on(_.popup, 'load', function() {
var img = ce('img');
img.src = url;
});
}
}
function activate(node, force) {
if(node == _.popup || node == d.body || node == d.documentElement) return;
var info = parseNode(node);
if(!info || !info.url || info.node == _.node) return;
if(info.distinct && !force) {
var scale = findScale(info.url, info.node.parentNode);
if(scale && scale < cfg.scale) return;
}
if(_.node) deactivate();
_ = info;
_.view = viewRect();
if(cfg.css || _.css) _.style = addStyle((contains(cfg.css, '{') ? cfg.css : '#mpiv-popup {' + cfg.css + '}') + (_.css ? _.css : ''));
_.zooming = contains(cfg.css, 'mpiv-zooming');
[_.node.parentNode, _.node, _.node.firstElementChild].some(function(n) {
if(n && n.title && n.title != n.textContent && !contains(d.title, n.title) && !/^http\S+$/.test(n.title)) {
_.tooltip = {node:n, text:n.title};
n.title = '';
return true;
}
});
on(d, 'mousemove', onMouseMove);
on(d, 'mouseout', onMouseOut);
on(d, 'mousedown', onMouseDown);
on(d, 'contextmenu', onContext);
on(d, 'keydown', onKeyDown);
on(d, 'keyup', onKeyUp);
on(d, 'onwheel' in d ? 'wheel' : 'mousewheel', onMouseScroll);
return true;
}
function deactivate(wait) {
wn.clearTimeout(_.timeout);
if(_.req) try { _.req.abort(); } catch(ex) {}
if(_.tooltip) _.tooltip.node.title = _.tooltip.text;
updateTitle(true);
setStatus(false);
setPopup(false);
setBar(false);
rm(_.style);
_ = {};
off(d, 'mousemove', onMouseMove);
off(d, 'mouseout', onMouseOut);
off(d, 'mousedown', onMouseDown);
off(d, 'contextmenu', onContext);
off(d, 'keydown', onKeyDown);
off(d, 'keyup', onKeyUp);
off(d, 'onwheel' in d ? 'wheel' : 'mousewheel', onMouseScroll);
if(wait) {
enabled = false;
wn.setTimeout(function() { enabled = true; }, 200);
}
}
function parseNode(node) {
var a, img, url, info;
if(!hosts) { hosts = loadHosts(); GM_registerMenuCommand('Set up Mouseover Popup Image Viewer', setup); }
if(tag(node) == 'A') {
a = node;
} else {
if(tag(node) == 'IMG') {
img = node;
if(img.src.substr(0, 5) != 'data:') url = rel2abs(img.src, location.href);
}
info = findInfo(url, node);
if(info) return info;
a = tag(node.parentNode) == 'A' ? node.parentNode : (tag(node.parentNode.parentNode) == 'A' ? node.parentNode.parentNode : false);
}
if(a) {
url = a.getAttribute('data-expanded-url') || a.getAttribute('data-full-url') || a.getAttribute('data-url') || a.href;
if(url.length > 750 || url.substr(0, 5) == 'data:') url = false;
else if(contains(url, '//t.co/')) url = 'http://' + a.textContent;
info = findInfo(url, a);
if(info) return info;
}
if(img) return {url:img.src, node:img, rect:rect(img), distinct:true};
}
function findInfo(url, node, noHtml, skipHost) {
for(var i = 0, len = hosts.length, tn = tag(node), h, m, html, urls; i < len && (h = hosts[i]); i++) {
if(h.e && !matches(node, h.e) || h == skipHost) continue;
if(h.r) {
if(h.html && !noHtml && (tn == 'A' || tn == 'IMG' || h.e)) {
if(!html) html = node.outerHTML;
m = h.r.exec(html);
} else if(url) {
m = h.r.exec(url);
} else {
m = null;
}
} else {
m = url ? /.*/.exec(url) : [];
}
if(!m || tn == 'IMG' && !('s' in h)) continue;
if('s' in h) {
urls = (Array.isArray(h.s) ? h.s : [h.s]).map(function(s) { if(typeof s == 'string') return decodeURIComponent(replace(s, m)); if(typeof s == 'function') return s(m, node); return s; });
if(h.q && urls.length > 1) { console.log('Rule discarded. Substitution arrays can\'t be combined with property q.'); continue; }
if(Array.isArray(urls[0])) urls = urls[0];
if(urls[0] === false) continue;
urls = urls.map(function(u) { return u ? decodeURIComponent(u) : u; });
} else {
urls = [m.input];
}
if((h.follow === true || typeof h.follow == 'function' && h.follow(urls[0])) && !h.q && h.s) return findInfo(urls[0], node, false, h);
var info = {
node: node,
url: urls.shift(),
urls: urls.length ? urls : false,
r: h.r,
q: h.q,
c: h.c,
g: h.g ? loadGalleryParser(h.g) : h.g,
xhr: cfg.xhr && h.xhr,
tabfix: h.tabfix,
post: typeof h.post == 'function' ? h.post(m) : h.post,
follow: h.follow,
css: h.css,
manual: h.manual,
distinct: h.distinct,
rect: rect(node, h.rect)
};
if(contains(hostname, 'twitter.com') && !/(facebook|google|twimg|twitter)\.com\//.test(info.url) || hostname == 'github.com' && !/github/.test(info.url) || contains(hostname, 'facebook.com') && /\bimgur\.com/.test(info.url)) info.xhr = 'data';
return info;
}
}
function downloadPage(url, cb) {
var req, opts = {
method: 'GET',
url: url,
onload: function(res) {
try {
if(req != _.req) return;
delete _.req;
if(res.status > 399) throw 'Server error: ' + res.status;
cb(res.responseText, res.finalUrl || url);
} catch(ex) {
handleError(ex);
}
},
onerror: function(res) {
if(req == _.req) handleError(res);
}
};
if(_.post) {
opts.method = 'POST';
opts.data = _.post;
opts.headers = {'Content-Type':'application/x-www-form-urlencoded','Referer':url};
}
_.req = req = GM_xmlhttpRequest(opts);
}
function downloadImage(url, referer) {
var start = Date.now(), bar, req;
_.req = req = GM_xmlhttpRequest({
method: 'GET',
url: url,
overrideMimeType: 'text/plain; charset=x-user-defined',
headers: {'Accept':'image/png,image/*;q=0.8,*/*;q=0.5','Referer':referer},
onprogress: function(e) {
if(req != _.req) return;
if(!bar && Date.now() - start > 3000 && e.loaded/e.total < 0.5) bar = true;
if(bar) setBar(parseInt(e.loaded/e.total * 100) + '% of ' + (e.total/1000000).toFixed(1) + ' MB', 'xhr');
},
onload: function(res) {
try {
if(req != _.req) return;
delete _.req;
setBar(false);
if(res.status > 399) throw 'HTTP error ' + res.status;
var txt = res.responseText, ui8 = new Uint8Array(txt.length), type;
for(var i = txt.length; i--;) {
ui8[i] = txt.charCodeAt(i);
}
if(/Content-Type:\s*(.+)/i.exec(res.responseHeaders) && !contains(RegExp.$1, 'text/plain')) type = RegExp.$1;
if(!type) {
var ext = /\.([a-z0-9]+?)($|\?|#)/i.exec(url) ? RegExp.$1.toLowerCase() : 'jpg', types = {bmp:'image/bmp', gif:'image/gif', jpe:'image/jpeg', jpeg:'image/jpeg', jpg:'image/jpeg', mp4:'video/mp4', png:'image/png', svg:'image/svg+xml', tif:'image/tiff', tiff:'image/tiff', webm:'video/webm'};
type = ext in types ? types[ext] : 'application/octet-stream';
}
var b = new Blob([ui8.buffer], {type:type});
if(wn.URL && _.xhr != 'data') return setPopup(wn.URL.createObjectURL(b));
var fr = new FileReader();
fr.onload = function() { setPopup(fr.r###lt); };
fr.onerror = handleError;
fr.readAsDataURL(b);
} catch(ex) {
handleError(ex);
}
},
onerror: function(res) {
if(req == _.req) handleError(res);
}
});
}
function findRedirect(url, cb) {
var req;
_.req = req = GM_xmlhttpRequest({
url: url,
method: 'HEAD',
headers: {Referer:location.href.replace(location.hash, '')},
onload: function(res) {
if(req == _.req) cb(res.finalUrl);
}
});
}
function parsePage(url, cb) {
downloadPage(url, function(html, url) {
var iurl, cap, doc = createDoc(html);
if(typeof _.q == 'function') {
iurl = _.q(html, doc, _.node);
if(Array.isArray(iurl)) {
_.urls = iurl.slice(0);
iurl = _.urls.shift();
}
} else {
var inode = findNode(_.q, doc);
iurl = inode ? findFile(inode, url) : false;
}
if(typeof _.c == 'function') {
cap = _.c(html, doc, _.node);
} else if(typeof _.c == 'string') {
var cnode = findNode(_.c, doc);
cap = cnode ? findCaption(cnode) : '';
}
cb(iurl, cap, url);
});
}
function findNode(q, doc) {
var node;
if(!q) return;
if(!Array.isArray(q)) q = [q];
for(var i = 0, len = q.length; i < len; i++) {
node = qs(q[i], doc);
if(node) break;
}
return node;
}
function findFile(n, url) {
var base = qs('base[href]', n.ownerDocument);
var path =  n.getAttribute('src') || n.getAttribute('data-m4v') || n.getAttribute('href') || n.getAttribute('content') || /https?:\/\/[.\/a-z0-9_+%\-]+\.(jpe?g|gif|png|svg|webm|mp4)/i.exec(n.outerHTML) && RegExp.lastMatch;
return path ? rel2abs(path.trim(), base ? base.getAttribute('href') : url) : false;
}
function findCaption(n) {
return n.getAttribute('content') || n.getAttribute('title') || n.textContent;
}
function checkProgress(start) {
if(start === true) {
if(checkProgress.interval) wn.clearInterval(checkProgress.interval);
checkProgress.interval = wn.setInterval(checkProgress, 150);
return;
}
var p = _.popup;
if(!p) return wn.clearInterval(checkProgress.interval);
if(!updateSize()) return;
wn.clearInterval(checkProgress.interval);
if(_.preloadStart) {
var wait = _.preloadStart + cfg.delay - Date.now();
if(wait > 0) return _.timeout = wn.setTimeout(checkProgress, wait);
}
if(_.urls && _.urls.length && Math.max(_.nheight, _.nwidth) < 130) return handleError({type:'error'});
setStatus(false);
p.clientHeight;
p.className = 'mpiv-show';
updateSpacing();
updateScales();
updateTitle();
placePopup();
if(!_.bar) showFileInfo();
if(_.large = _.nwidth > p.clientWidth + _.mbw || _.nheight > p.clientHeight + _.mbh) setStatus('large');
if(cfg.imgtab && imgtab || cfg.zoom == 'auto') toggleZoom();
}
function updateSize() {
var p = _.popup;
_.nheight = p.naturalHeight || p.videoHeight || p.loaded && 800;
_.nwidth  = p.naturalWidth || p.videoWidth || p.loaded && 1200;
return !!_.nheight;
}
function updateSpacing() {
var s = wn.getComputedStyle(_.popup);
_.pw = styl###m(s, ['padding-left', 'padding-right']);
_.ph = styl###m(s, ['padding-top', 'padding-bottom']);
_.mbw = styl###m(s, ['margin-left', 'margin-right', 'border-left-width', 'border-right-width']);
_.mbh = styl###m(s, ['margin-top', 'margin-bottom', 'border-top-width', 'border-bottom-width']);
}
function updateScales() {
var scales = cfg.scales.length ? cfg.scales : ['0!', 0.125, 0.25, 0.5, 0.75, 1, 1.5, 2, 3, 5, 8, 16], fit = Math.min(( _.view.width - _.mbw)/_.nwidth, (_.view.height - _.mbh)/_.nheight), cutoff = _.scale = Math.min(1, fit);
_.scales = [];
for(var i = scales.length; i--;) {
var val = parseFloat(scales[i]) || fit, opt = typeof scales[i] == 'string' ? scales[i].slice(-1) : 0;
if(opt == '!') cutoff = val;
if(opt == '*') _.zscale = val;
if(val != _.scale) _.scales.push(val);
}
_.scales = _.scales.filter(function(x) { return x >= cutoff; });
_.scales.sort(function(a, b) { return a - b; });
_.scales.unshift(_.scale);
}
function updateMouse(e) {
_.cx = e.clientX;
_.cy = e.clientY;
var r = _.rect;
if(r) _.cr = _.cx < r.right + 2 && _.cx > r.left - 2 && _.cy < r.bottom + 2 && _.cy > r.top - 2;
}
function showFileInfo() {
if(_.gItems) {
var item = _.gItems[_.gIndex];
var c = _.gItems.length > 1 ? '[' + (_.gIndex + 1) + '/' + _.gItems.length + '] ' : '';
if(_.gIndex == 0 && _.gItems.title && (!item.desc || !contains(item.desc, _.gItems.title))) c += _.gItems.title + (item.desc ? ' - ' : '');
if(item.desc) c += item.desc;
if(c) setBar(c.trim(), 'gallery', true);
} else if('caption' in _) {
setBar(_.caption, 'caption');
} else if(_.tooltip) {
setBar(_.tooltip.text, 'tooltip');
}
}
function updateTitle(reset) {
if(reset) {
if(typeof _.title == 'string') d.title = _.title;
} else {
if(typeof _.title != 'string') _.title = d.title;
d.title = Math.round(_.scale * 100) + '% - ' + _.nwidth + 'x' + _.nheight;
}
}
function placePopup() {
var p = _.popup;
if(!p) return;
var x = null, y = null, w = Math.round(_.scale * _.nwidth), h = Math.round(_.scale * _.nheight), cx = _.cx, cy = _.cy, vw = _.view.width, vh = _.view.height;
if(!_.zoom && (!_.gItems || _.gItems.length < 2) && !cfg.center) {
var r = _.rect, rx = (r.left + r.right) / 2, ry = (r.top + r.bottom) / 2;
if(vw - r.right - 40 > w + _.mbw || w + _.mbw < r.left - 40) {
if(h + _.mbh < vh - 60) y = Math.min(Math.max(ry - h/2, 30), vh - h - 30);
x = rx > vw/2 ? r.left - 40 - w : r.right + 40;
} else if(vh - r.bottom - 40 > h + _.mbh || h + _.mbh < r.top - 40) {
if(w + _.mbw < vw - 60) x = Math.min(Math.max(rx - w/2, 30), vw - w - 30);
y = ry > vh/2 ? r.top - 40 - h : r.bottom + 40;
}
}
if(x == null) x = Math.round((vw > w ? vw/2 - w/2 : -1 * Math.min(1, Math.max(0, 5/3*(cx/vw-0.2))) * (w - vw)) - (_.pw + _.mbw)/2);
if(y == null) y = Math.round((vh > h ? vh/2 - h/2 : -1 * Math.min(1, Math.max(0, 5/3*(cy/vh-0.2))) * (h - vh)) - (_.ph + _.mbh)/2);
p.style.cssText = 'width:' + w + 'px!important;height:' + h + 'px!important;left:' + x + 'px!important;top:' + y + 'px!important';
}
function toggleZoom() {
var p = _.popup;
if(!p || !_.scales || _.scales.length < 2) return;
_.zoom = !_.zoom;
_.zoomed = true;
_.scale = _.scales[ _.zoom ? (_.scales.indexOf(_.zscale) > 0 ? _.scales.indexOf(_.zscale) : 1) : 0];
if(_.zooming) p.classList.add('mpiv-zooming');
placePopup();
updateTitle();
setStatus(_.zoom ? 'zoom' : false);
if(cfg.zoom != 'auto') setBar(false);
if(!_.zoom) showFileInfo();
return _.zoom;
}
function handleError(o) {
var m = [o.message || (o.readyState ? 'Request failed.' : (o.type == 'error' ? 'File can\'t be displayed.' + (qs('div[bgactive*="flashblock"]', d) ? ' Check Flashblock settings.' : '') : o))];
try {
if(o.stack) m.push(' @ ' + o.stack.replace(/<?@file:.+?\.js/g, ''));
if(_.r) m.push('RegExp: ' + _.r);
if(_.url) m.push('URL: ' + _.url);
if(_.iurl) m.push('File: ' + _.iurl);
console.log(m.join('\n'));
} catch(ex) {}
if(contains(hostname, 'google') && contains(location.search, 'tbm=isch') && !_.xhr && cfg.xhr) {
_.xhr = true;
startSinglePopup(_.url);
} else if(_.urls && _.urls.length) {
_.url = _.urls.shift();
if(!_.url)
deactivate();
else
startSinglePopup(_.url);
} else if(_.node) {
setStatus('error');
setBar(m[0], 'error');
}
}
function setStatus(status, flag) {
var de = d.documentElement, cn = de.className;
if(flag == 'remove') {
cn = cn.replace('mpiv-' + status, '');
} else {
if(flag != 'add') cn = cn.replace(/mpiv-[a-z]+/g, '');
if(status && !contains(cn, 'mpiv-' + status)) cn += ' mpiv-' + status;
}
de.className = cn;
}
function setPopup(src) {
var p = _.popup;
if(p) {
_.zoom = false;
off(p, 'error', handleError);
if(typeof p.pause == 'function') p.pause();
if(!_.lazyUnload) {
if(p.src.substr(0, 5) == 'blob:') wn.URL.revokeObjectURL(p.src);
p.src = '';
}
rm(p);
delete _.popup;
}
if(!src) return;
if(src.substr(0, 5) != 'data:' && /\.(webm|mp4)($|\?)/.test(src) || src.substr(0, 10) == 'data:video') {
var start = Date.now(), bar;
var onProgress = function(e) {
var p = e.target;
if(!p.duration || !p.buffered.length || Date.now() - start < 2000) return;
var per = parseInt(p.buffered.end(0)/p.duration * 100);
if(!bar && per > 0 && per < 50) bar = true;
if(bar) setBar(per + '% of ' + Math.round(p.duration) + 's', 'xhr');
};
p = _.popup = ce('video');
p.autoplay = true;
p.loop = true;
p.volume = 0.5;
p.controls = false;
on(p, 'progress', onProgress);
on(p, 'canplaythrough', function(e) { off(e.target, 'progress', onProgress); if(_.bar && _.bar.classList.contains('mpiv-xhr')) { setBar(false); showFileInfo(); } });
} else {
p = _.popup = ce('img');
}
p.id = 'mpiv-popup';
on(p, 'error', handleError);
on(p, 'load', function() { this.loaded = true; });
if(_.zooming) on(p, 'transitionend', function(e) { e.target.classList.remove('mpiv-zooming'); });
_.bar ? d.body.insertBefore(p, _.bar) : d.body.appendChild(p);
p.src = src;
p = null;
checkProgress(true);
}
function setBar(label, cn) {
var b = _.bar;
if(!label) {
rm(b);
delete _.bar;
return;
}
if(!b) {
b = _.bar = ce('div');
b.id = 'mpiv-bar';
}
b.innerHTML = label;
if(!b.parentNode) {
d.body.appendChild(b);
b.clientHeight;
}
b.className = 'mpiv-show mpiv-' + cn;
}
function rel2abs(rel, abs) {
if(rel.substr(0, 5) == 'data:') return rel;
var re = /^([a-z]+:)\/\//;
if(re.test(rel))  return rel;
if(!re.exec(abs)) return;
if(rel.indexOf('//') === 0) return RegExp.$1 + rel;
if(rel[0] == '/') return abs.substr(0, abs.indexOf('/', RegExp.lastMatch.length)) + rel;
return abs.substr(0, abs.lastIndexOf('/')) + '/' + rel;
}
function replace(s, m) {
if(!m) return s;
if(s.charAt(0) == '/' && s.charAt(1) != '/') {
var mid = /[^\\]\//.exec(s).index+1;
var end = s.lastIndexOf('/');
var re = new RegExp(s.substring(1, mid), s.substr(end+1));
return m.input.replace(re, s.substring(mid+1, end));
}
for(var i = m.length; i--;) {
s = s.replace('$'+i, m[i]);
}
return s;
}
function addStyle(css) {
var s = ce('style');
s.textContent = css;
d.head.appendChild(s);
return s;
}
function styl###m(s, p) {
for(var i = p.length, x = 0; i--;) {
x += parseInt(s.getPropertyValue([p[i]])) || 0;
}
return x;
}
function findScale(url, parent) {
var imgs = qsa('img, video', parent);
for(var i = imgs.length, img; i-- && (img = imgs[i]);) {
if(img.src != url) continue;
var s = Math.max((img.naturalHeight || img.videoHeight)/img.offsetHeight, (img.naturalWidth || img.videoWidth)/img.offsetWidth);
if(isFinite(s)) return s;
}
}
function viewRect() {
var node = d.compatMode == 'BackCompat' ? d.body : d.documentElement;
return {width:node.clientWidth, height:node.clientHeight};
}
function rect(node, q) {
var n;
if(q) {
n = node;
while(tag(n = n.parentNode) != 'BODY') {
if(matches(n, q)) return n.getBoundingClientRect();
}
}
var nodes = qsa('*', node);
for(var i = nodes.length; i-- && (n = nodes[i]);) {
if(n.offsetHeight > node.offsetHeight) node = n;
}
return node.getBoundingClientRect();
}
function matches(n, q) {
var p = Element.prototype, m = p.matches || p.mozMatchesSelector || p.webkitMatchesSelector || p.oMatchesSelector;
if(m) return m.call(n, q);
}
function closest(n, q) {
while(n) {
if(matches(n, q)) return n;
n = n.parentNode;
}
}
function tag(n) {
return n.tagName.toUpperCase();
}
function createDoc(text) {
var doc = d.implementation.createHTMLDocument('MPIV');
doc.documentElement.innerHTML = text;
return doc;
}
function rm(n) {
if(n && n.parentNode) n.parentNode.removeChild(n);
}
function on(n, e, f) {
n.addEventListener(e, f);
}
function off(n, e, f) {
n.removeEventListener(e, f);
}
function drop(e) {
e.preventDefault();
e.stopPropagation();
}
function ce(s) {
return d.createElement(s);
}
function qs(s, n) {
return n.querySelector(s);
}
function qsa(s, n) {
return n.querySelectorAll(s);
}
function contains(a, b) {
return a && a.indexOf(b) > -1;
}
function setup() {
var $ = function(s) { return d.getElementById('mpiv-'+s); };
var close = function() { rm($('setup')); if(!contains(trusted, hostname)) off(wn, 'message', onMessage); };
var update = function() { $('delay').parentNode.style.display = $('preload').parentNode.style.display = $('start-auto').selected ? '' : 'none';	};
var check = function(e) {
var t = e.target, ok;
try {
var pes = t.previousElementSibling;
if(t.value) {
if(!pes) { var inp = t.cloneNode(); inp.value = ''; t.parentNode.insertBefore(inp, t); }
new RegExp(JSON.parse(t.value).r);
} else if(pes) {
pes.focus();
rm(t);
}
ok = 1;
} catch(ex) {}
t.style.backgroundColor = ok ? '' : '#ffaaaa';
};
var exp = function(e) {
drop(e);
var s = JSON.stringify(getCfg());
if(typeof GM_setClipboard == 'function') {
GM_setClipboard(s);
wn.alert('Settings copied to clipboard!');
} else {
wn.alert(s);
}
};
var imp = function(e) {
drop(e);
var s = wn.prompt('Paste settings:');
if(!s) return;
init(fixCfg(s));
};
var install = function(e) {
drop(e);
e.target.parentNode.innerHTML = '<span>Loading...</span><iframe style="width:100%;height:26px;border:0;margin:0;display:none;" src="//w9p.co/userscripts/mpiv/more_host_rules.html" onload="this.style.display=\'\';this.previousElementSibling.style.display=\'none\';"></iframe>';
};
var getCfg = function() {
var cfg = {};
var delay = parseInt($('delay').value);
if(!isNaN(delay) && delay >= 0) cfg.delay = delay;
var scale = parseFloat($('scale').value.replace(',', '.'));
if(!isNaN(scale)) cfg.scale = Math.max(1, scale);
cfg.start = $('start-context').selected ? 'context' : ($('start-ctrl').selected ? 'ctrl' : 'auto');
cfg.zoom = $('zoom-context').selected ? 'context' : ($('zoom-wheel').selected ? 'wheel' : ($('zoom-shift').selected ? 'shift' : 'auto'));
cfg.center = $('center').checked;
cfg.imgtab = $('imgtab').checked;
cfg.close = $('close').selected;
cfg.preload = $('preload').checked;
cfg.css = $('css').value.trim();
cfg.scales = $('scales').value.trim().split(/[,;]*\s+/).map(function(x) { return x.replace(',', '.'); }).filter(function(x) { return !isNaN(parseFloat(x)); });
cfg.xhr = $('xhr').checked;
var inps = qsa('input', $('hosts')), lines = [];
for(var i = 0; i < inps.length; i++) {
var s = inps[i].value.trim();
if(s) lines.push(s);
}
lines.sort();
cfg.hosts = lines.join('\n');
return fixCfg(JSON.stringify(cfg));
};
var init = function(cfg) {
close();
if(!contains(trusted, hostname)) on(wn, 'message', onMessage);
addStyle('\
#mpiv-setup { position:fixed;z-index:2147483647;top:20px;right:20px;padding:20px 30px;background:#eee;width:640px;border:1px solid black; }\
#mpiv-setup * { color:black;text-align:left;min-height:unset;margin:unset;padding:unset;line-height:15px;font-size:12px;font-family:sans-serif;box-shadow:none; }\
#mpiv-setup a { color:darkblue!important;text-decoration:underline!important; }\
#mpiv-setup ul { margin:10px 0 15px 0;padding:0;list-style:none;background:#eee;border:0; }\
#mpiv-setup input, #mpiv-setup select, #mpiv-css { display:inline;border:1px solid gray;padding:2px;background:white; }\
#mpiv-css { resize:vertical; height:45px; }\
#mpiv-scales { width:130px; }\
#mpiv-setup li { margin:0;padding:7px 0;vertical-align:middle;background:#eee;border:0 }\
#mpiv-zoom { margin-right: 18px; }\
#mpiv-delay, #mpiv-scale { width:36px; }\
#mpiv-cursor, #mpiv-imgtab, #mpiv-xhr, #mpiv-preload { margin-left:18px; }\
#mpiv-hosts { max-height:150px;overflow-y:auto; padding:2px; margin:4px 0;clear:both; }\
#mpiv-hosts input, #mpiv-css { width:98%;margin:3px 0; }\
#mpiv-setup button { width:150px;margin:0 10px;text-align:center; }\
');
var div = ce('div');
div.id = 'mpiv-setup';
d.body.appendChild(div);
div.innerHTML = '\
<div><a href="http://w9p.co/userscripts/mpiv/">Sima-land.ru Popup Original Image Viewer/Downloader</a><span style="float:right"><a href="#" id="mpiv-import">Import</a> | <a href="#" id="mpiv-export">Export</a></span></div><ul>\
<li>Popup: <select><option id="mpiv-start-auto">automatically</option><option id="mpiv-start-context">right click or ctrl</option><option id="mpiv-start-ctrl">ctrl</option></select> <span>after <input id="mpiv-delay" type="text"/> ms</span> <span><input type="checkbox" id="mpiv-preload"/> Start loading immediately</span></li>\
<li>Only show popup over scaled-down image when natural size is <input id="mpiv-scale" type="text"/> times larger</li>\
<li><input type="checkbox" id="mpiv-center"/> Always centered <input type="checkbox" id="mpiv-imgtab"/> Run in image tabs <input type="checkbox" id="mpiv-xhr" onclick="return this.checked || confirm(\'Do not disable this unless you spoof the HTTP headers yourself.\')"/> Anti-hotlinking workaround</li>\
<li>Zoom: <select id="mpiv-zoom"><option id="mpiv-zoom-context">right click or shift</option><option id="mpiv-zoom-wheel">wheel up or shift</option><option id="mpiv-zoom-shift">shift</option><option id="mpiv-zoom-auto">automatically</option></select> Custom scale factors: <input type="text" id="mpiv-scales" placeholder="e.g. 0 0.5 1* 2"/> <span title="values smaller than non-zoomed size are ignored, 0 = fit to window, 0! = same as 0 but also removes smaller values, asterisk after value marks default zoom factor (e.g. 1*)" style="cursor:help">(?)</span></li>\
<li>If zooming out further is not possible, <select><option>stay in zoom mode</option><option id="mpiv-close">close popup</option></select></li>\
<li><a href="http://w9p.co/userscripts/mpiv/css.html" target="_blank">Custom CSS:</a><div><textarea id="mpiv-css" spellcheck="false"></textarea></li>\
<li><a href="http://w9p.co/userscripts/mpiv/host_rules.html" target="_blank">Custom host rules:</a><input type="text" id="mpiv-search" placeholder="Search" style="display:none;float:right;width:70px;padding:1px 2px;font-size:10px;"/><div id="mpiv-hosts"><input type="text" spellcheck="false"></div></li>\
<li><a href="#" id="mpiv-install">Install rule from repository...</a></li>\
</ul><div style="text-align:center"><button id="mpiv-ok">OK</button><button id="mpiv-cancel">Cancel</button></div>';
if(cfg.hosts) {
var parent = $('hosts');
var lines = cfg.hosts.split(/[\r\n]+/);
for(var i = 0, s; i < lines.length && (s = lines[i]); i++) {
var inp = parent.firstElementChild.cloneNode();
inp.value = s;
parent.appendChild(inp);
check({target:inp});
}
if(lines.length > 5 || setup.search) {
var se = $('search'), sf = function() {
var inps = qsa('input', $('hosts')), s = se.value.toLowerCase();
setup.search = s;
for(var i = 0; i < inps.length; i++) {
inps[i].style.display = !inps[i].value || contains(inps[i].value.toLowerCase(), s) ? '' : 'none';
}
};
on(se, 'input', sf);
se.value = setup.search || '';
if(se.value) sf();
se.style.display = '';
}
}
on($('start-auto').parentNode, 'change', update);
on($('cancel'), 'click', close);
on($('export'), 'click', exp);
on($('import'), 'click', imp);
on($('hosts'), 'input', check);
on($('install'), 'click', install);
on($('ok'), 'click', function() {
saveCfg(getCfg());
hosts = loadHosts();
close();
});
$('delay').value = cfg.delay;
$('scale').value = cfg.scale;
$('center').checked = cfg.center;
$('imgtab').checked = cfg.imgtab;
$('close').selected = cfg.close;
$('preload').checked = cfg.preload;
$('css').value = cfg.css;
$('scales').value = cfg.scales.join(' ');
$('xhr').checked = cfg.xhr;
$('zoom-' + cfg.zoom).selected = true;
$('start-' + cfg.start).selected = true;
update();
var free = viewRect().height - div.offsetHeight - 60;
$('hosts').style.maxHeight = parseInt($('hosts').offsetHeight + 0.8 * free) + 'px';
$('css').style.height = parseInt($('css').offsetHeight + 0.2 * free) + 'px';
div = null;
};
init(loadCfg());
}
addStyle('\
#mpiv-bar { position:fixed;z-index:2147483647;left:0;right:0;top:0;transform:scaleY(0);-webkit-transform:scaleY(0);transform-origin:top;-webkit-transform-origin:top;transition:transform 500ms ease 1000ms;-webkit-transition:-webkit-transform 500ms ease 1000ms;text-align:center;font-family:sans-serif;font-size:15px;font-weight:bold;background:rgba(0, 0, 0, 0.6);color:white;padding:4px 10px; }\
#mpiv-bar.mpiv-show { transform:scaleY(1);-webkit-transform:scaleY(1); }\
#mpiv-popup.mpiv-show { display:inline; }\
#mpiv-popup { display:none;border:1px solid gray;box-sizing:content-box;background-color:white;position:fixed;z-index:2147483647;margin:0;max-width:none;max-height:none;will-change:display,width,height,left,top;cursor:none; }\
.mpiv-loading:not(.mpiv-preloading) * { cursor:wait!important; }\
.mpiv-edge #mpiv-popup { cursor:default; }\
.mpiv-error * { cursor:not-allowed!important; }\
.mpiv-ready *, .mpiv-large * { cursor:zoom-in!important; cursor:-webkit-zoom-in!important; }\
.mpiv-shift * { cursor:default!important; }');
on(d, 'mouseover', onMouseOver);
if(contains(hostname, 'google')) {
var node = d.getElementById('main');
if(node) on(node, 'mouseover', onMouseOver);
} else if(contains(trusted, hostname)) {
on(wn, 'message', onMessage);
on(d, 'click', function(e) {
var t = e.target;
if(e.which != 1 || !/BLOCKQUOTE|CODE|PRE/.test(tag(t) + tag(t.parentNode)) || !/^\s*\{\s*".+:.+\}\s*$/.test(t.textContent)) return;
wn.postMessage('mpiv-rule ' + t.textContent, '*');
e.preventDefault();
});
}