// ==UserScript==
// @name Mouseover Popup Image Viewer
// @namespace https://github.com/tophf
// @description Shows images and videos behind links and thumbnails.
//
// @include *
//
// @grant GM_addElement
// @grant GM_download
// @grant GM_getValue
// @grant GM_openInTab
// @grant GM_registerMenuCommand
// @grant GM_unregisterMenuCommand
// @grant GM_setClipboard
// @grant GM_setValue
// @grant GM_xmlhttpRequest
//
// @grant GM.getValue
// @grant GM.openInTab
// @grant GM.registerMenuCommand
// @grant GM.unregisterMenuCommand
// @grant GM.setClipboard
// @grant GM.setValue
// @grant GM.xmlHttpRequest
//
// @version 1.2.19
// @author tophf
//
// @original-version 2017.9.29
// @original-author kuehlschrank
//
// @connect *
// CSP check:
// @connect self
// rule installer in config dialog:
// @connect github.com
// big/trusted hostings for the built-in rules with "q":
// @connect deviantart.com
// @connect facebook.com
// @connect fbcdn.com
// @connect flickr.com
// @connect gfycat.com
// @connect googleusercontent.com
// @connect gyazo.com
// @connect imgur.com
// @connect instagr.am
// @connect instagram.com
// @connect prnt.sc
// @connect prntscr.com
// @connect user-images.githubusercontent.com
//
// @supportURL https://github.com/tophf/mpiv/issues
// @icon https://raw.githubusercontent.com/tophf/mpiv/master/icon.png
// ==/UserScript==
'use strict';
//#region Globals
/** @type mpiv.Config */
let cfg;
/** @type mpiv.AppInfo */
let ai = {rule: {}};
/** @type Element */
let elConfig;
let nonce;
const doc = document;
const hostname = location.hostname;
const dotDomain = '.' + hostname;
const isGoogleDomain = /(^|\.)google(\.com?)?(\.\w+)?$/.test(hostname);
const isGoogleImages = isGoogleDomain && /[&?]tbm=isch(&|$)/.test(location.search);
const isFF = CSS.supports('-moz-appearance', 'none');
const AudioContext = window.AudioContext || function () {};
const PREFIX = 'mpiv-';
const STATUS_ATTR = `${PREFIX}status`;
const MSG = Object.assign({}, ...[
'getViewSize',
'viewSize',
].map(k => ({[k]: `${PREFIX}${k}`})));
const WHEEL_EVENT = 'onwheel' in doc ? 'wheel' : 'mousewheel';
// time for volatile things to settle down meanwhile we postpone action
// examples: loading image from cache, quickly moving mouse over one element to another
const SETTLE_TIME = 50;
// used to detect JS code in host rules
const RX_HAS_CODE = /(^|[^-\w])return[\W\s]/;
const RX_EVAL_BLOCKED = /'Trusted(Script| Type)'|unsafe-eval/;
const RX_MEDIA_URL = /^(?!data:)[^?#]+?\.(avif|bmp|jpe?g?|gif|mp4|png|svgz?|web[mp])($|[?#])/i;
const ZOOM_MAX = 16;
const SYM_U = Symbol('u');
const TRUSTED = (({trustedTypes}, policy) =>
trustedTypes ? trustedTypes.createPolicy('mpiv', policy) : policy
)(window, {
createHTML: str => str,
createScript: str => str,
});
const FN_ARGS = {
s: ['m', 'node', 'rule'],
c: ['text', 'doc', 'node', 'rule'],
q: ['text', 'doc', 'node', 'rule'],
g: ['text', 'doc', 'url', 'm', 'rule', 'node', 'cb'],
};
//#endregion
//#region GM4 polyfill
if (typeof GM === 'undefined' || !GM.xmlHttpRequest)
this.GM = {info: GM_info};
if (!GM.getValue)
GM.getValue = GM_getValue; // we use it only with `await` so no need to return a Promise
if (!GM.setValue)
GM.setValue = GM_setValue; // we use it only with `await` so no need to return a Promise
if (!GM.openInTab)
GM.openInTab = GM_openInTab;
if (!GM.registerMenuCommand && typeof GM_registerMenuCommand === 'function')
GM.registerMenuCommand = GM_registerMenuCommand;
if (!GM.unregisterMenuCommand && typeof GM_unregisterMenuCommand === 'function')
GM.unregisterMenuCommand = GM_unregisterMenuCommand;
if (!GM.setClipboard)
GM.setClipboard = GM_setClipboard;
if (!GM.xmlHttpRequest)
GM.xmlHttpRequest = GM_xmlhttpRequest;
//#endregion
const App = {
isEnabled: true,
isImageTab: false,
globalStyle: '',
popupStyleBase: '',
activate(info, event) {
const {match, node, rule, url} = info;
if (elConfig) console.info({node, rule, url, match});
if (ai.node) App.deactivate();
ai = info;
ai.force = event.ctrlKey;
ai.gNum = 0;
ai.zooming = cfg.css.includes(`${PREFIX}zooming`);
Util.suppressTooltip();
Calc.updateViewSize();
Events.toggle(true);
Events.trackMouse(event);
if (ai.force) {
App.start();
} else if (cfg.start === 'auto' && !rule.manual) {
App.belate();
} else {
Status.set('ready');
}
},
belate() {
if (cfg.preload) {
ai.preloadStart = now();
App.start();
Status.set('+preloading');
setTimeout(Status.set, cfg.delay, '-preloading');
} else {
ai.timer = setTimeout(App.start, cfg.delay);
}
},
checkImageTab() {
const el = doc.body.firstElementChild;
App.isImageTab = el && el === doc.body.lastElementChild && el.matches('img, video');
App.isEnabled = cfg.imgtab || !App.isImageTab;
},
checkProgress({start} = {}) {
const p = ai.popup;
if (!p)
return;
const w = ai.nwidth = p.naturalWidth || p.videoWidth || ai.popupLoaded && innerWidth / 2;
const h = ai.nheight = p.naturalHeight || p.videoHeight || ai.popupLoaded && innerHeight / 2;
if (h)
return App.canCommit(w, h);
if (start) {
clearInterval(ai.timerProgress);
ai.timerProgress = setInterval(App.checkProgress, 150);
}
},
canCommit(w, h) {
if (!ai.force && ai.rect && !ai.gItems &&
Math.max(w / (ai.rect.width || 1), h / (ai.rect.height || 1)) < cfg.scale) {
App.deactivate();
return false;
}
App.stopTimers();
const wait = ai.preloadStart && (ai.preloadStart + cfg.delay - now());
if (wait > 0) {
ai.timer = setTimeout(App.checkProgress, wait);
} else if ((ai.urls || 0).length && Math.max(w, h) < 130) {
App.handleError({type: 'error'});
} else {
App.commit();
}
return true;
},
async commit() {
const p = ai.popup;
const isDecoded = cfg.waitLoad && isFunction(p.decode);
if (isDecoded) {
await p.decode();
if (p !== ai.popup)
return;
}
App.updateStyles();
Calc.measurePopup();
const willZoom = cfg.zoom === 'auto' || App.isImageTab && cfg.imgtab;
const willMove = !willZoom || App.toggleZoom({keepScale: true}) === undefined;
if (willMove)
Popup.move();
Bar.updateName();
Bar.updateDetails();
Status.set(!ai.popupLoaded && 'loading');
ai.large = ai.nwidth > p.clientWidth + ai.extras.w ||
ai.nheight > p.clientHeight + ai.extras.h;
if (ai.large) {
Status.set('+large');
// prevent a blank bg+border in FF
if (isFF && p.complete && !isDecoded)
p.style.backgroundImage = `url('${p.src}')`;
}
},
deactivate({wait} = {}) {
App.stopTimers();
if (ai.req)
tryCatch.call(ai.req, ai.req.abort);
if (ai.tooltip)
ai.tooltip.node.title = ai.tooltip.text;
Status.set(false);
Bar.set(false);
Events.toggle(false);
Popup.destroy();
if (wait) {
App.isEnabled = false;
setTimeout(App.enable, 200);
}
ai = {rule: {}};
},
enable() {
App.isEnabled = true;
},
handleError(e, rule = ai.rule) {
if (rule && rule.onerror === 'skip')
return;
if (CspSniffer.init &&
location.protocol === 'https:' &&
!ai.xhr &&
!ai.imageUrl.startsWith(location.origin + '/')) {
Popup.create(ai.imageUrl, ai.pageUrl, e);
return;
}
const fe = Util.formatError(e, rule);
if (!rule || !ai.urls || !ai.urls.length)
console.warn(fe.consoleFormat, ...fe.consoleArgs);
if (ai.urls && ai.urls.length) {
ai.url = ai.urls.shift();
if (ai.url) {
App.stopTimers();
App.startSingle();
} else {
App.deactivate();
}
} else if (ai.node) {
Status.set('error');
Bar.set(fe.message, 'error');
}
},
/** @param {MessageEvent} e */
onMessage(e) {
if (typeof e.data === 'string' && e.data === MSG.getViewSize) {
e.stopImmediatePropagation();
for (const el of doc.getElementsByTagName('iframe')) {
if (el.contentWindow === e.source) {
const s = Calc.frameSize(el, window).join(':');
e.source.postMessage(`${MSG.viewSize}:${s}`, '*');
return;
}
}
}
},
/** @param {MessageEvent} e */
onMessageChild(e) {
if (e.source === parent && typeof e.data === 'string' && e.data.startsWith(MSG.viewSize)) {
e.stopImmediatePropagation();
removeEventListener('message', App.onMessageChild, true);
const [w, h, x, y] = e.data.split(':').slice(1).map(parseFloat);
if (w && h) ai.view = {w, h, x, y};
}
},
start() {
// check explicitly as the cursor may have moved into an iframe so mouseout wasn't reported
if (!Util.isHovered(ai.node)) {
App.deactivate();
return;
}
App.updateStyles();
if (ai.gallery)
App.startGallery();
else
App.startSingle();
},
startSingle() {
Status.loading();
ai.imageUrl = null;
if (ai.rule.follow && !ai.rule.q && !ai.rule.s) {
Remoting.findRedirect();
} else if (ai.rule.q && !Array.isArray(ai.urls)) {
App.startFromQ();
} else {
Popup.create(ai.url);
Ruler.runC();
}
},
async startFromQ() {
try {
const {responseText, doc, finalUrl} = await Remoting.getDoc(ai.url);
const url = Ruler.runQ(responseText, doc, finalUrl);
if (!url)
throw 'The "q" rule did not produce any URL.';
if (RuleMatcher.isFollowableUrl(url, ai.rule)) {
const info = RuleMatcher.find(url, ai.node, {noHtml: true});
if (!info || !info.url)
throw `Couldn't follow URL: ${url}`;
Object.assign(ai, info);
App.startSingle();
} else {
Popup.create(url, finalUrl);
Ruler.runC(responseText, doc);
}
} catch (e) {
App.handleError(e);
}
},
async startGallery() {
Status.loading();
try {
const startUrl = ai.url;
const p = await Remoting.getDoc(ai.rule.s !== 'gallery' && startUrl);
const items = await new Promise(resolve => {
const it = ai.gallery(p.responseText, p.doc, p.finalUrl, ai.match, ai.rule, ai.node,
resolve);
if (Array.isArray(it))
resolve(it);
});
// bail out if the gallery's async callback took too long
if (ai.url !== startUrl) return;
ai.gNum = items.length;
ai.gItems = items.length && items;
if (ai.gItems) {
const i = items.index;
ai.gIndex = i === (i | 0) && items[i] ? i | 0 :
typeof i === 'string' ? clamp(items.findIndex(x => x.url === i), 0) :
Gallery.findIndex(ai.url);
setTimeout(Gallery.next);
} else {
throw 'Empty gallery';
}
} catch (e) {
App.handleError(e);
}
},
stopTimers() {
for (const timer of ['timer', 'timerBar', 'timerStatus'])
clearTimeout(ai[timer]);
clearInterval(ai.timerProgress);
},
toggleZoom({keepScale} = {}) {
const p = ai.popup;
if (!p || !ai.scales || ai.scales.length < 2)
return;
ai.zoomed = !ai.zoomed;
ai.scale = ai.zoomed && Calc.scaleForFirstZoom(keepScale) || ai.scales[0];
if (ai.zooming)
p.classList.add(`${PREFIX}zooming`);
Popup.move();
Bar.updateDetails();
Status.set(ai.zoomed ? 'zoom' : false);
return ai.zoomed;
},
updateStyles() {
Util.addStyle('global', (App.globalStyle || createGlobalStyle()) + cfg._getCss());
Util.addStyle('rule', ai.rule.css || '');
},
};
const Bar = {
set(label, className) {
let b = ai.bar;
if (typeof label !== 'string') {
$remove(b);
ai.bar = null;
return;
}
if (!b) b = ai.bar = $create('div', {id: `${PREFIX}bar`});
App.updateStyles();
Bar.updateDetails();
Bar.show();
b.textContent = '';
b.innerHTML = TRUSTED.createHTML(label);
if (!b.parentNode) {
doc.body.appendChild(b);
Util.forceLayout(b);
}
b.className = `${PREFIX}show ${PREFIX}${className}`;
},
show(isForced) {
clearTimeout(ai.timerBar);
ai.bar.style.removeProperty('opacity');
if (isForced)
ai.bar.dataset.force = '';
else
ai.timerBar = setTimeout(Bar.hide, 3000);
},
hide(isForced) {
if (ai.bar && (isForced || !ai.bar.dataset.force)) {
$css(ai.bar, {opacity: 0});
delete ai.bar.dataset.force;
}
},
updateName() {
const {gItems: gi, gIndex: i, gNum: n} = ai;
if (gi) {
const item = gi[i];
const noDesc = !gi.some(_ => _.desc);
const c = `${n > 1 ? `[${i + 1}/${n}] ` : ''}${[
gi.title && (!i || noDesc) && !`${item.desc || ''}`.includes(gi.title) && gi.title || '',
item.desc,
].filter(Boolean).join(' - ')}`;
Bar.set(c.trim() || ' ', 'gallery', true);
} else if ('caption' in ai) {
Bar.set(ai.caption, 'caption');
} else if (ai.tooltip) {
Bar.set(ai.tooltip.text, 'tooltip');
} else {
Bar.set(' ', 'info');
}
},
updateDetails() {
if (!ai.bar) return;
const r = ai.rotate;
const zoom = ai.nwidth && `${
Math.round(ai.scale * 100)
}%${
ai.flipX || ai.flipY ? `, ${ai.flipX ? '⇆' : ''}${ai.flipY ? '⇅' : ''}` : ''
}${
r ? ', ' + (r > 180 ? r - 360 : r) + '°' : ''
}, ${
ai.nwidth
} x ${
ai.nheight
} px, ${
Math.round(100 * (ai.nwidth * ai.nheight / 1e6)) / 100
} MP, ${
Calc.aspectRatio(ai.nwidth, ai.nheight)
}`.replace(/\x20/g, '\xA0');
if (ai.bar.dataset.zoom !== zoom || !ai.nwidth) {
if (zoom) ai.bar.dataset.zoom = zoom;
else delete ai.bar.dataset.zoom;
Bar.show();
}
},
};
const Calc = {
aspectRatio(w, h) {
for (let rat = w / h, a, b = 0; ;) {
b++;
a = Math.round(w * b / h);
if (a > 10 && b > 10 || a > 100 || b > 100)
return rat.toFixed(2);
if (Math.abs(a / b - rat) < .01)
return `${a}:${b}`;
}
},
frameSize(elFrame, wnd) {
if (!elFrame) return;
const r = elFrame.getBoundingClientRect();
const w = Math.min(r.right, wnd.innerWidth) - Math.max(r.left, 0);
const h = Math.min(r.bottom, wnd.innerHeight) - Math.max(r.top, 0);
const x = r.left < 0 ? -r.left : 0;
const y = r.top < 0 ? -r.top : 0;
return [w, h, x, y];
},
generateScales(fit) {
let [scale, goal] = fit < 1 ? [fit, 1] : [1, fit];
const zoomStep = cfg.zoomStep / 100;
const arr = [scale];
if (fit !== 1) {
const diff = goal / scale;
const steps = Math.log(diff) / Math.log(zoomStep) | 0;
const step = steps && Math.pow(diff, 1 / steps);
for (let i = steps; --i > 0;)
arr.push((scale *= step));
arr.push(scale = goal);
}
while ((scale *= zoomStep) <= ZOOM_MAX)
arr.push(scale);
return arr;
},
measurePopup() {
let {popup: p, nwidth: nw, nheight: nh} = ai;
// overriding custom CSS to detect an unrestricted SVG that scales to the entire page
p.setAttribute('style', 'display:inline !important;' + App.popupStyleBase);
if (p.clientWidth > nw) {
const w = clamp(p.clientWidth, nw, innerWidth / 2) | 0;
nh = ai.nheight = w / nw * nh | 0;
nw = ai.nwidth = w;
p.style.cssText = `width: ${nw}px !important; height: ${nh}px !important;`;
}
p.className = `${PREFIX}show`;
p.removeAttribute('style');
const s = getComputedStyle(p);
const o2 = sumProps(s.outlineOffset, s.outlineWidth) * 2;
const inw = sumProps(s.paddingLeft, s.paddingRight, s.borderLeftWidth, s.borderRightWidth);
const inh = sumProps(s.paddingTop, s.paddingBottom, s.borderTopWidth, s.borderBottomWidth);
const outw = o2 + sumProps(s.marginLeft, s.marginRight);
const outh = o2 + sumProps(s.marginTop, s.marginBottom);
ai.extras = {
inw, inh,
outw, outh,
o: o2 / 2,
w: inw + outw,
h: inh + outh,
};
const fit = Math.min(
(ai.view.w - ai.extras.w) / ai.nwidth,
(ai.view.h - ai.extras.h) / ai.nheight) || 1;
const isCustom = !cfg.fit && cfg.scales.length;
let cutoff = Math.min(1, fit);
let scaleZoom = cfg.fit === 'all' && fit || cfg.fit === 'no' && 1 || cutoff;
if (isCustom) {
const dst = [];
for (const scale of cfg.scales) {
const val = parseFloat(scale) || fit;
dst.push(val);
if (isCustom && typeof scale === 'string') {
if (scale.includes('!')) cutoff = val;
if (scale.includes('*')) scaleZoom = val;
}
}
ai.scales = dst.sort(compareNumbers).filter(Calc.scaleBiggerThan, cutoff);
} else {
ai.scales = Calc.generateScales(fit);
}
ai.scale = cfg.zoom === 'auto' ? scaleZoom : Math.min(1, fit);
ai.scaleFit = fit;
ai.scaleZoom = scaleZoom;
},
rect() {
let {node, rule} = ai;
let n = rule.rect && node.closest(rule.rect);
if (n) return n.getBoundingClientRect();
const nested = node.getElementsByTagName('*');
let maxArea = 0;
let maxBounds;
n = node;
for (let i = 0; n; n = nested[i++]) {
const bounds = n.getBoundingClientRect();
const area = bounds.width * bounds.height;
if (area > maxArea) {
maxArea = area;
maxBounds = bounds;
node = n;
}
}
return maxBounds;
},
scaleBiggerThan(scale, i, arr) {
return scale >= this && (!i || Math.abs(scale - arr[i - 1]) > .01);
},
scaleIndex(dir) {
const i = ai.scales.indexOf(ai.scale);
if (i >= 0) return i + dir;
for (
let len = ai.scales.length,
i = dir > 0 ? 0 : len - 1;
i >= 0 && i < len;
i += dir
) {
if (Math.sign(ai.scales[i] - ai.scale) === dir)
return i;
}
return -1;
},
scaleForFirstZoom(keepScale) {
const z = ai.scaleZoom;
return keepScale || z !== ai.scale ? z : ai.scales.find(x => x > z);
},
updateViewSize() {
const view = doc.compatMode === 'BackCompat' ? doc.body : doc.documentElement;
ai.view = {w: view.clientWidth, h: view.clientHeight, x: 0, y: 0};
if (window === top) return;
const [w, h] = Calc.frameSize(frameElement, parent) || [];
if (w && h) {
ai.view = {w, h, x: 0, y: 0};
} else {
addEventListener('message', App.onMessageChild, true);
parent.postMessage(MSG.getViewSize, '*');
}
},
};
class Config {
constructor({data: c, save}) {
if (typeof c === 'string')
c = tryCatch(JSON.parse, c);
if (typeof c !== 'object' || !c)
c = {};
const {DEFAULTS} = Config;
c.fit = ['all', 'large', 'no', ''].includes(c.fit) ? c.fit :
!(c.scales || 0).length || `${c.scales}` === `${DEFAULTS.scales}` ? 'large' :
'';
if (c.version !== DEFAULTS.version) {
if (typeof c.hosts === 'string')
c.hosts = c.hosts.split('\n')
.map(s => tryCatch(JSON.parse, s) || s)
.filter(Boolean);
if (c.close === true || c.close === false)
c.zoomOut = c.close ? 'auto' : 'stay';
for (const key in DEFAULTS)
if (typeof c[key] !== typeof DEFAULTS[key])
c[key] = DEFAULTS[key];
if (c.version === 3 && c.scales[0] === 0)
c.scales[0] = '0!';
for (const key in c)
if (!(key in DEFAULTS))
delete c[key];
c.version = DEFAULTS.version;
if (save)
GM.setValue('cfg', c);
}
if (Object.keys(cfg || {}).some(k => /^ui|^(css|globalStatus)$/.test(k) && cfg[k] !== c[k]))
App.globalStyle = '';
if (!Array.isArray(c.scales))
c.scales = [];
c.scales = [...new Set(c.scales)].sort((a, b) => parseFloat(a) - parseFloat(b));
Object.assign(this, DEFAULTS, c);
}
static async load(opts) {
opts.data = await GM.getValue('cfg');
return new Config(opts);
}
_getCss() {
const {css} = this;
return css.includes('{') ? css : `#${PREFIX}-popup {${css}}`;
}
}
Config.DEFAULTS = /** @type mpiv.Config */ Object.assign(Object.create(null), {
center: false,
css: '',
delay: 500,
fit: '',
globalStatus: false,
// prefer ' inside rules because " will be displayed as \"
// example: "img[src*='icon']"
hosts: [{
name: 'No popup for YouTube thumbnails',
d: 'www.youtube.com',
e: 'ytd-rich-item-renderer *, ytd-thumbnail *',
s: '',
}, {
name: 'No popup for SVG/PNG icons',
d: '',
e: "img[src*='icon']",
r: '//[^/]+/.*\\bicons?\\b.*\\.(?:png|svg)',
s: '',
}],
imgtab: false,
mute: false,
preload: false,
scale: 1.25,
scales: ['0!', 0.125, 0.25, 0.5, 0.75, 1, 1.5, 2, 2.5, 3, 4, 5, 8, 16],
start: 'auto',
startAlt: 'context',
startAltShown: false,
uiBackgroundColor: '#ffffff',
uiBackgroundOpacity: 100,
uiBorderColor: '#000000',
uiBorderOpacity: 100,
uiBorder: 0,
uiFadein: true,
uiFadeinGallery: true, // some computers show white background while loading so fading hides it
uiShadowColor: '#000000',
uiShadowOpacity: 80,
uiShadow: 20,
uiPadding: 0,
uiMargin: 0,
version: 6,
waitLoad: false,
xhr: true,
zoom: 'context',
zoomOut: 'auto',
zoomStep: 133,
});
const CspSniffer = {
/** @type {?Object<string,string[]>} */
csp: null,
selfUrl: location.origin + '/',
// will be null when done
init() {
this.busy = new Promise(resolve => {
const xhr = new XMLHttpRequest();
xhr.open('get', location);
xhr.timeout = Math.max(2000, (performance.timing.responseEnd - performance.timeOrigin) * 2);
xhr.onreadystatechange = () => {
if (xhr.readyState >= xhr.HEADERS_RECEIVED) {
this.csp = this._parse(xhr.getResponseHeader('content-security-policy'));
this.init = this.busy = xhr.onreadystatechange = null;
xhr.abort();
resolve();
}
};
xhr.send();
});
},
async check(url, allowInit) {
if (allowInit && this.init) this.init();
if (this.busy) await this.busy;
const isVideo = Util.isVideoUrl(url);
let mode;
if (this.csp) {
const src = this.csp[isVideo ? 'media' : 'img'];
if (!src.some(this._srcMatches, url))
mode = [mode, 'blob', 'data'].find(m => src.includes(`${m}:`));
}
return [mode || ai.xhr, isVideo];
},
_parse(csp) {
if (!csp) return;
const src = {};
const rx = /(?:^|[;,])\s*(?:(default|img|media|script)-src|require-(trusted)-types-for) ([^;,]+)/g;
for (let m; (m = rx.exec(csp));)
src[m[1] || m[2]] = m[3].trim().split(/\s+/);
if ((src.script || []).find(s => /^'nonce-(.+)'$/.test(s)))
nonce = RegExp.$1;
if ((src.trusted || []).includes("'script'"))
App.NOP = () => {};
if (!src.img) src.img = src.default || [];
if (!src.media) src.media = src.default || [];
for (const set of [src.img, src.media]) {
set.forEach((item, i) => {
if (item !== '*' && item.includes('*')) {
set[i] = new RegExp(
(/^\w+:/.test(item) ? '^' : '^\\w+://') +
item
.replace(/[.+?^$|()[\]{}]/g, '\\$&')
.replace(/(\\\.)?(\*)(\\\.)?/g, (_, a, b, c) =>
`${a ? '\\.?' : ''}[^:/]*${c ? '\\.?' : ''}`)
.replace(/[^/]$/, '$&/'));
}
});
}
return src;
},
/** @this string */
_srcMatches(src) {
return src instanceof RegExp ? src.test(this) :
src === '*' ||
src && this.startsWith(src) && (src.endsWith('/') || this[src.length] === '/') ||
src === "'self'" && this.startsWith(CspSniffer.selfUrl);
},
};
const Events = {
hoverData: null,
hoverTimer: 0,
ignoreKeyHeld: false,
onMouseOver(e) {
let node = e.target;
Events.ignoreKeyHeld = e.shiftKey;
if (!App.isEnabled ||
e.shiftKey ||
ai.zoomed ||
node === ai.popup ||
node === doc.body ||
node === doc.documentElement ||
node === elConfig ||
ai.gallery && ai.rectHovered)
return;
if (node.shadowRoot)
node = Events.pierceShadow(node, e.clientX, e.clientY);
// we don't want to process everything in the path of a quickly moving mouse cursor
Events.hoverData = {e, node, start: now()};
Events.hoverTimer = Events.hoverTimer || setTimeout(Events.onMouseOverThrottled, SETTLE_TIME);
},
onMouseOverThrottled(force) {
if (!Events.hoverData)
return;
const {start, e, node} = Events.hoverData;
// clearTimeout + setTimeout is expensive so we'll use the cheaper perf.now() for rescheduling
const wait = force ? 0 : start + SETTLE_TIME - now();
Events.hoverTimer = wait > 10 && setTimeout(Events.onMouseOverThrottled, wait);
if (Events.hoverTimer || !Util.isHovered(node))
return;
Events.hoverData = null;
if (!Ruler.rules)
Ruler.init();
const info = RuleMatcher.adaptiveFind(node);
if (info && info.url && info.node !== ai.node)
App.activate(info, e);
},
onMouseOut(e) {
if (!e.relatedTarget && !e.shiftKey)
App.deactivate();
},
onMouseOutShadow(e) {
const root = e.target.shadowRoot;
if (root) {
root.removeEventListener('mouseover', Events.onMouseOver);
root.removeEventListener('mouseout', Events.onMouseOutShadow);
}
},
onMouseMove(e) {
Events.trackMouse(e);
if (e.shiftKey)
return;
if (!ai.zoomed && !ai.rectHovered) {
App.deactivate();
} else if (ai.zoomed) {
Popup.move();
const {cx, cy, view: {w, h}} = ai;
const bx = w / 6;
const by = h / 6;
const onEdge = cx < bx || cx > w - bx || cy < by || cy > h - by;
Status.set(`${onEdge ? '+' : '-'}edge`);
}
},
onMouseDown({shiftKey, button}) {
if (button === 0 && shiftKey && ai.popup && ai.popup.controls) {
ai.controlled = ai.zoomed = true;
} else if (button === 2 || shiftKey) {
// Shift = ignore; RMB will be processed in onContext
} else {
App.deactivate({wait: true});
doc.addEventListener('mouseup', App.enable, {once: true});
}
},
onMouseScroll(e) {
const dir = (e.deltaY || -e.wheelDelta) < 0 ? 1 : -1;
if (ai.zoomed) {
Events.zoomInOut(dir);
} else if (ai.gNum > 1 && ai.popup) {
Gallery.next(-dir);
} else if (cfg.zoom === 'wheel' && dir > 0 && ai.popup) {
App.toggleZoom();
} else {
App.deactivate();
return;
}
dropEvent(e);
},
onKeyDown(e) {
// Synthesized events may be of the wrong type and not have a `key`
const key = eventModifiers(e) + (e.key && e.key.length > 1 ? e.key : e.code);
const p = ai.popup || false; // simple polyfill for `p?.foo`
if (!p &&
!Events.ignoreKeyHeld &&
key === '^Control' &&
(cfg.start === 'ctrl' || cfg.start === 'context' || ai.rule.manual)) {
dropEvent(e);
if (Events.hoverData) {
Events.hoverData.e = e;
Events.onMouseOverThrottled(true);
}
if (ai.node) {
ai.force = true;
App.start();
}
}
if (!p || e.repeat)
return;
switch (key) {
case '+Shift':
if (ai.shiftKeyTime)
return;
ai.shiftKeyTime = now();
Status.set('+shift');
Bar.show(true);
if (p.tagName === 'VIDEO')
p.controls = true;
return;
case 'KeyA':
if (!p.hasAttribute('data-no-aa'))
p.setAttribute('data-no-aa', '');
else
p.removeAttribute('data-no-aa');
break;
case 'ArrowRight':
case 'KeyJ':
Gallery.next(1);
break;
case 'ArrowLeft':
case 'KeyK':
Gallery.next(-1);
break;
case 'KeyD':
Remoting.saveFile();
break;
case 'KeyH': // flip horizontally
case 'KeyV': // flip vertically
case 'KeyL': // rotate left
case 'KeyR': // rotate right
if (!p)
return;
if (key === 'KeyH' || key === 'KeyV') {
const side = !!(ai.rotate % 180) ^ (key === 'KeyH') ? 'flipX' : 'flipY';
ai[side] = !ai[side];
} else {
ai.rotate = ((ai.rotate || 0) + 90 * (key === 'KeyL' ? -1 : 1) + 360) % 360;
}
Bar.updateDetails();
Popup.move();
break;
case 'KeyM':
if (p.tagName === 'VIDEO')
p.muted = !p.muted;
break;
case 'KeyT':
GM.openInTab(Util.tabFixUrl() || p.src);
App.deactivate();
break;
case 'Minus':
case 'NumpadSubtract':
if (ai.zoomed) {
Events.zoomInOut(-1);
} else {
App.toggleZoom();
}
break;
case 'Equal':
case 'NumpadAdd':
if (ai.zoomed) {
Events.zoomInOut(1);
} else {
App.toggleZoom();
}
break;
case 'Escape':
App.deactivate({wait: true});
break;
case '!Alt':
return;
default:
App.deactivate({wait: true});
return;
}
dropEvent(e);
},
onKeyUp(e) {
if (e.key === 'Shift' && ai.shiftKeyTime) {
Status.set('-shift');
Bar.hide(true);
if ((ai.popup || {}).controls)
ai.popup.controls = false;
// Chrome doesn't expose events for clicks on video controls so we'll guess
if (ai.controlled || !isFF && now() - ai.shiftKeyTime > 500)
ai.controlled = false;
else if (ai.popup && (ai.zoomed || ai.rectHovered !== false))
App.toggleZoom();
else
App.deactivate({wait: true});
ai.shiftKeyTime = 0;
}
},
onContext(e) {
if (Events.ignoreKeyHeld)
return;
const p = ai.popup;
if (cfg.zoom === 'context' && p && App.toggleZoom()) {
dropEvent(e);
} else if (!p && (
cfg.start === 'context' ||
cfg.start === 'contextMK' ||
cfg.start === 'contextM' && (e.button === 2) ||
cfg.start === 'contextK' && (e.button !== 2) ||
(cfg.start === 'auto' && ai.rule.manual)
)) {
// right-clicked on an image while the context menu is shown for something else
if (!ai.node && !Events.hoverData)
Events.onMouseOver(e);
Events.onMouseOverThrottled(true);
if (ai.node) {
ai.force = true;
App.start();
dropEvent(e);
}
} else if (p) {
setTimeout(App.deactivate, SETTLE_TIME, {wait: true});
}
},
pierceShadow(node, x, y) {
for (let root; (root = node.shadowRoot);) {
root.addEventListener('mouseover', Events.onMouseOver, {passive: true});
root.addEventListener('mouseout', Events.onMouseOutShadow);
const inner = root.elementFromPoint(x, y);
if (!inner || inner === node)
break;
node = inner;
}
return node;
},
toggle(enable) {
const onOff = enable ? 'addEventListener' : 'removeEventListener';
const passive = {passive: true, capture: true};
window[onOff]('mousemove', Events.onMouseMove, passive);
window[onOff]('mouseout', Events.onMouseOut, passive);
window[onOff]('mousedown', Events.onMouseDown, passive);
window[onOff]('keydown', Events.onKeyDown, true); // override normal page listeners
window[onOff]('keyup', Events.onKeyUp, true);
window[onOff](WHEEL_EVENT, Events.onMouseScroll, {passive: false});
},
trackMouse(e) {
const cx = ai.cx = e.clientX;
const cy = ai.cy = e.clientY;
const r = ai.rect || (ai.rect = Calc.rect());
ai.rectHovered =
cx > r.left - 2 && cx < r.right + 2 &&
cy > r.top - 2 && cy < r.bottom + 2;
},
zoomInOut(dir) {
const i = Calc.scaleIndex(dir);
const n = ai.scales.length;
if (i >= 0 && i < n)
ai.scale = ai.scales[i];
const zo = cfg.zoomOut;
if (i <= 0 && zo !== 'stay') {
if (ai.scaleFit < ai.scale * .99) {
ai.scales.unshift(ai.scale = ai.scaleFit);
} else if ((i <= 0 && zo === 'close' || i < 0 && !ai.rectHovered) && ai.gNum < 2) {
App.deactivate({wait: true});
return;
}
ai.zoomed = zo !== 'unzoom';
} else {
ai.popup.classList.toggle(`${PREFIX}zoom-max`, ai.scale >= 4 && i >= n - 1);
}
if (ai.zooming)
ai.popup.classList.add(`${PREFIX}zooming`);
Popup.move();
Bar.updateDetails();
},
};
const Gallery = {
makeParser(g) {
return isFunction(g) ? g : Gallery.defaultParser;
},
findIndex(gUrl) {
const sel = gUrl.split('#')[1];
if (!sel)
return 0;
if (/^\d+$/.test(sel))
return parseInt(sel);
for (let i = ai.gNum; i--;) {
let {url} = ai.gItems[i];
if (Array.isArray(url))
url = url[0];
if (url.indexOf(sel, url.lastIndexOf('/')) > 0)
return i;
}
return 0;
},
next(dir) {
if (dir) ai.gIndex = Gallery.nextIndex(dir);
const item = ai.gItems[ai.gIndex];
if (Array.isArray(item.url)) {
ai.urls = item.url.slice(1);
ai.url = item.url[0];
} else {
ai.urls = null;
ai.url = item.url;
}
ai.preloadUrl = ensureArray(ai.gItems[Gallery.nextIndex(dir || 1)].url)[0];
App.startSingle();
Bar.updateName();
},
nextIndex(dir) {
return (ai.gIndex + dir + ai.gNum) % ai.gNum;
},
defaultParser(text, doc, docUrl, m, rule) {
const {g} = rule;
const qEntry = g.entry;
const qCaption = ensureArray(g.caption);
const qImage = g.image || 'img';
const qTitle = g.title;
const fix =
(typeof g.fix === 'string' ? Util.newFunction('s', 'isURL', g.fix) : g.fix) ||
(s => s.trim());
const items = [...$$(qEntry || qImage, doc)]
.map(processEntry)
.filter(Boolean);
items.title = processTitle();
items.index =
typeof g.index === 'string' &&
Remoting.findImageUrl(tryCatch($, g.index, doc), docUrl) ||
RX_HAS_CODE.test(g.index) &&
Util.newFunction('items', 'node', g.index)(items, ai.node) ||
g.index;
return items;
function processEntry(entry) {
const item = {};
try {
const img = qEntry ? $(qImage, entry) : entry;
item.url = fix(Remoting.findImageUrl(img, docUrl), true);
item.desc = qCaption.map(processCaption, entry).filter(Boolean).join(' - ');
} catch (e) {}
return item.url && item;
}
function processCaption(selector) {
const el = $(selector, this) ||
$orSelf(selector, this.previousElementSibling) ||
$orSelf(selector, this.nextElementSibling);
return el && fix(el.textContent);
}
function processTitle() {
const el = $(qTitle, doc);
return el && fix(el.getAttribute('content') || el.textContent) || '';
}
function $orSelf(selector, el) {
if (el && !el.matches(qEntry))
return el.matches(selector) ? el : $(selector, el);
}
},
};
const Menu = window === top && GM.registerMenuCommand && {
curAltName: '',
unreg: GM.unregisterMenuCommand,
makeAltName: () => Menu.unreg
? `MPIV: auto-start is ${cfg.start === 'auto' ? 'ON' : 'OFF'}`
: 'MPIV: toggle auto-start',
register() {
GM.registerMenuCommand('MPIV: configure', setup);
Menu.registerAlt();
},
registerAlt() {
if (cfg.startAltShown) {
Menu.curAltName = Menu.makeAltName();
GM.registerMenuCommand(Menu.curAltName, Menu.onAltToggled);
}
},
reRegisterAlt() {
const old = Menu.curAltName;
if (old && Menu.unreg) Menu.unreg(old);
if (!old || Menu.unreg) Menu.registerAlt();
},
onAltToggled() {
const wasAuto = cfg.start === 'auto';
if (wasAuto) {
cfg.start = cfg.startAlt || (cfg.startAlt = 'context');
} else {
cfg.startAlt = cfg.start;
cfg.start = 'auto';
}
Menu.reRegisterAlt();
},
};
const Popup = {
async create(src, pageUrl, error) {
const inGallery = !cfg.uiFadeinGallery && ai.gItems && ai.popup && !ai.zooming &&
(ai.popup.dataset.galleryFlip = '') === '';
Popup.destroy();
ai.imageUrl = src;
if (!src)
return;
const myAi = ai;
let [xhr, isVideo] = await CspSniffer.check(src, error);
if (ai !== myAi)
return;
if (!xhr && error) {
App.handleError(error);
return;
}
Object.assign(ai, {pageUrl, xhr});
if (xhr)
[src, isVideo] = await Remoting.getImage(src, pageUrl, xhr).catch(App.handleError) || [];
if (ai !== myAi || !src)
return;
const p = ai.popup = isVideo ? await PopupVideo.create() : $create('img');
p.id = `${PREFIX}popup`;
p.src = src;
p.addEventListener('error', App.handleError);
if (ai.zooming)
p.addEventListener('transitionend', Popup.onZoom);
if (inGallery) {
p.dataset.galleryFlip = '';
p.setAttribute('loaded', '');
}
doc.body.insertBefore(p, ai.bar || undefined);
await 0;
if (App.checkProgress({start: true}) === false)
return;
if (p.complete)
Popup.onLoad.call(ai.popup);
else if (!isVideo)
p.addEventListener('load', Popup.onLoad, {once: true});
},
destroy() {
const p = ai.popup;
if (!p) return;
p.removeEventListener('load', Popup.onLoad);
p.removeEventListener('error', App.handleError);
if (isFunction(p.pause))
p.pause();
if (ai.blobUrl)
setTimeout(URL.revokeObjectURL, SETTLE_TIME, ai.blobUrl);
p.remove();
ai.zoomed = ai.popup = ai.popupLoaded = ai.blobUrl = null;
},
move() {
let x, y;
const {cx, cy, extras, view} = ai;
const vw = view.w - extras.outw;
const vh = view.h - extras.outh;
const w0 = ai.scale * ai.nwidth + extras.inw;
const h0 = ai.scale * ai.nheight + extras.inh;
const isSwapped = ai.rotate % 180;
const w = isSwapped ? h0 : w0;
const h = isSwapped ? w0 : h0;
if (!ai.zoomed && ai.gNum < 2 && !cfg.center) {
const r = ai.rect;
const rx = (r.left + r.right) / 2;
const ry = (r.top + r.bottom) / 2;
if (vw - r.right - 40 > w || w < r.left - 40) {
if (h < vh - 60)
y = clamp(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 || h < r.top - 40) {
if (w < vw - 60)
x = clamp(rx - w / 2, 30, vw - w - 30);
y = ry > vh / 2 ? r.top - 40 - h : r.bottom + 40;
}
}
if (x == null) {
x = vw > w
? (vw - w) / 2 + view.x
: (vw - w) * clamp(5 / 3 * ((cx - view.x) / vw - .2), 0, 1);
}
if (y == null) {
y = vh > h
? (vh - h) / 2 + view.y
: (vh - h) * clamp(5 / 3 * ((cy - view.y) / vh - .2), 0, 1);
}
const diff = isSwapped ? (w0 - h0) / 2 : 0;
x += extras.o - diff;
y += extras.o + diff;
$css(ai.popup, {
transform: `translate(${Math.round(x)}px, ${Math.round(y)}px) ` +
`rotate(${ai.rotate || 0}deg) ` +
`scale(${ai.flipX ? -1 : 1},${ai.flipY ? -1 : 1})`,
width: `${Math.round(w0)}px`,
height: `${Math.round(h0)}px`,
});
},
onLoad() {
if (this === ai.popup) {
this.setAttribute('loaded', '');
ai.popupLoaded = true;
Status.set('-loading');
if (ai.preloadUrl) {
$create('img', {src: ai.preloadUrl});
ai.preloadUrl = null;
}
}
},
onZoom() {
this.classList.remove(`${PREFIX}zooming`);
},
};
const PopupVideo = {
async create() {
ai.bufBar = false;
ai.bufStart = now();
const shouldMute = cfg.mute || new AudioContext().state === 'suspended';
return $create('video', {
autoplay: true,
controls: shouldMute,
muted: shouldMute,
loop: true,
volume: clamp(+await GM.getValue('volume') || .5, 0, 1),
onprogress: PopupVideo.progress,
oncanplaythrough: PopupVideo.progressDone,
onvolumechange: PopupVideo.rememberVolume,
});
},
progress() {
const {duration} = this;
if (duration && this.buffered.length && now() - ai.bufStart > 2000) {
const pct = Math.round(this.buffered.end(0) / duration * 100);
if ((ai.bufBar |= pct > 0 && pct < 50))
Bar.set(`${pct}% of ${Math.round(duration)}s`, 'xhr');
}
},
progressDone() {
this.onprogress = this.oncanplaythrough = null;
if (ai.bar && ai.bar.classList.contains(`${PREFIX}xhr`))
Bar.set(false);
Popup.onLoad.call(this);
},
rememberVolume() {
GM.setValue('volume', this.volume);
},
};
const Ruler = {
/*
'u' works only with URLs so it's ignored if 'html' is true
||some.domain = matches some.domain, anything.some.domain, etc.
|foo = url or text must start with foo
^ = separator like / or ? or : but not a letter/number, not %._-
when used at the end like "foo^" it additionally matches when the source ends with "foo"
'r' is checked only if 'u' matches first
*/
init() {
const errors = new Map();
const customRules = (cfg.hosts || []).map(Ruler.parse, errors);
const hasGMAE = typeof GM_addElement === 'function';
const canEval = nonce || hasGMAE;
const evalId = canEval && `${GM_info.script.name}${Math.random()}`;
const evalRules = [];
const evalCode = [`window[${JSON.stringify(evalId)}]=[`];
for (const [rule, err] of errors.entries()) {
if (!RX_EVAL_BLOCKED.test(err)) {
App.handleError('Invalid custom host rule:', rule);
continue;
}
if (canEval) {
evalCode.push(evalRules.length ? ',' : '',
'[', customRules.indexOf(rule), ',{',
...Object.keys(FN_ARGS)
.map(k => RX_HAS_CODE.test(rule[k]) && `${k}(${FN_ARGS[k]}){${rule[k]}},`)
.filter(Boolean),
'}]');
}
evalRules.push(rule);
}
if (evalRules.length) {
let result, wnd;
if (canEval) {
const GMAE = hasGMAE
? GM_addElement // eslint-disable-line no-undef
: (tag, {textContent}) => document.head.appendChild(
Object.assign(document.createElement(tag), {
textContent: TRUSTED.createScript(textContent),
nonce,
}));
evalCode.push(']; document.currentScript.remove();');
GMAE('script', {textContent: evalCode.join('')});
result = (wnd = unsafeWindow)[evalId] ||
isFF && (wnd = wnd.wrappedJSObject)[evalId];
}
if (result) {
for (const [index, fns] of result) {
Object.assign(customRules[index], fns);
}
delete wnd[evalId];
} else {
console.warn('Site forbids compiling JS code in these custom rules', evalRules);
}
}
// rules that disable previewing
const disablers = [
dotDomain.endsWith('.stackoverflow.com') && {
e: '.post-tag, .post-tag img',
s: '',
},
{
u: '||disqus.com/',
s: '',
},
];
// optimization: a rule is created only when on domain
const perDomain = [
hostname.includes('startpage') && {
r: /\boiu=(.+)/,
s: '$1',
follow: true,
},
dotDomain.endsWith('.4chan.org') && {
e: '.is_catalog .thread a[href*="/thread/"], .catalog-thread a[href*="/thread/"]',
q: '.op .fileText a',
css: '#post-preview{display:none}',
},
hostname.includes('amazon.') && {
r: /.+?images\/I\/.+?\./,
s: m => {
const uh = doc.getElementById('universal-hover');
return uh ? '' : m[0] + 'jpg';
},
css: '#zoomWindow{display:none!important;}',
},
dotDomain.endsWith('.bing.com') && {
e: 'a[m*="murl"]',
r: /murl":"(.+?)"/,
s: '$1',
html: true,
},
...dotDomain.endsWith('.deviantart.com') && [{
e: '[data-super-full-img] *, img[src*="/th/"]',
s: (m, node) =>
$propUp(node, 'data-super-full-img') ||
(node = node.dataset.embedId && node.nextElementSibling) &&
node.dataset.embedId && node.src,
}, {
e: '.dev-view-deviation img',
s: () => [
$('.dev-page-download').href,
$('.dev-content-full').src,
].filter(Boolean),
}, {
e: 'a[data-hook=deviation_link]',
q: 'link[as=image]',
}] || [],
dotDomain.endsWith('.discord.com') && {
u: '||discordapp.net/external/',
r: /\/https?\/(.+)/,
s: '//$1',
follow: true,
},
dotDomain.endsWith('.dropbox.com') && {
r: /(.+?&size_mode)=\d+(.*)/,
s: '$1=5$2',
},
dotDomain.endsWith('.facebook.com') && {
e: 'a[href*="ref=hovercard"]',
s: (m, node) =>
'https://www.facebook.com/photo.php?fbid=' +
/\/[0-9]+_([0-9]+)_/.exec($('img', node).src)[1],
follow: true,
},
dotDomain.endsWith('.facebook.com') && {
r: /(fbcdn|external).*?(app_full_proxy|safe_image).+?(src|url)=(http.+?)[&"']/,
s: (m, node) =>
node.parentNode.className.includes('video') && m[4].includes('fbcdn') ? '' :
decodeURIComponent(m[4]),
html: true,
follow: true,
},
dotDomain.endsWith('.flickr.com') &&
tryCatch(() => unsafeWindow.YUI_config.flickr.api.site_key) && {
r: /flickr\.com\/photos\/[^/]+\/(\d+)/,
s: m => `https://www.flickr.com/services/rest/?${
new URLSearchParams({
photo_id: m[1],
api_key: unsafeWindow.YUI_config.flickr.api.site_key,
method: 'flickr.photos.getSizes',
format: 'json',
nojsoncallback: 1,
}).toString()}`,
q: text => JSON.parse(text).sizes.size.pop().source,
anonymous: true,
},
dotDomain.endsWith('.github.com') && {
r: new RegExp([
/(avatars.+?&s=)\d+/,
/(raw\.github)(\.com\/.+?\/img\/.+)$/,
/\/(github)(\.com\/.+?\/)blob\/([^/]+\/.+?\.(?:png|jpe?g|bmp|gif|cur|ico))$/,
].map(rx => rx.source).join('|')),
s: m => `https://${
m[1] ? `${m[1]}460` :
m[2] ? `${m[2]}usercontent${m[3]}` :
`raw.${m[4]}usercontent${m[5]}${m[6]}`
}`,
},
isGoogleImages && {
e: 'a[href*="imgres?imgurl="] img',
s: (m, node) => new URLSearchParams(node.closest('a').search).get('imgurl'),
follow: true,
},
isGoogleImages && {
e: '[data-tbnid] a:not([href])',
s: (m, a) => {
const a2 = $('a[jsaction*="mousedown"]', a.closest('[data-tbnid]')) || a;
new MutationObserver((_, mo) => {
mo.disconnect();
App.isEnabled = true;
a.alt = a2.innerText;
const {left, top} = a.getBoundingClientRect();
Events.onMouseOver({target: $('img', a), clientX: left, clientY: top});
}).observe(a, {attributes: true, attributeFilter: ['href']});
a2.dispatchEvent(new MouseEvent('mousedown', {bubbles: true}));
a2.dispatchEvent(new MouseEvent('mouseup', {bubbles: true}));
},
},
dotDomain.endsWith('.instagram.com') && {
e: 'a[href*="/p/"],' +
'article [role="button"][tabindex="0"],' +
'article [role="button"][tabindex="0"] div',
s: (m, node, rule) => {
let data, a, n, img, src;
if (location.pathname.startsWith('/p/')) {
img = $('img[srcset], video', node.parentNode);
if (img && (img.localName === 'video' || parseFloat(img.sizes) > 900))
src = (img.srcset || img.currentSrc).split(',').pop().split(' ')[0];
}
if (!src && (n = node.closest('a[href*="/p/"], article'))) {
a = n.tagName === 'A' ? n : $('a[href*="/p/"]', n);
data = a && tryCatch(rule._getEdge, a.pathname.split('/')[2]);
}
const numPics = a && tryCatch(() => data.edge_sidecar_to_children.edges.length);
Ruler.toggle(rule, 'q', data && data.is_video && !data.video_url);
Ruler.toggle(rule, 'g', a && (numPics > 1 || /<\w+[^>]+carousel/i.test(a.innerHTML)));
rule.follow = !data && !rule.g;
rule._data = data;
rule._img = img;
return (
!a && !src ? false :
!data || rule.q || rule.g ? `${src || a.href}${rule.g ? '?__a=1' : ''}` :
data.video_url || data.display_url);
},
c: (html, doc, node, rule) =>
tryCatch(rule._getCaption, rule._data) || (rule._img || 0).alt || '',
follow: true,
_q: 'meta[property="og:video"]',
_g(text, doc, url, m, rule) {
const media = JSON.parse(text).graphql.shortcode_media;
const items = media.edge_sidecar_to_children.edges.map(e => ({
url: e.node.video_url || e.node.display_url,
}));
items.title = tryCatch(rule._getCaption, media) || '';
return items;
},
_getCaption: data => data && data.edge_media_to_caption.edges[0].node.text,
_getEdge: shortcode => unsafeWindow._sharedData.entry_data.ProfilePage[0].graphql.user
.edge_owner_to_timeline_media.edges.find(e => e.node.shortcode === shortcode).node,
},
...dotDomain.endsWith('.reddit.com') && [{
u: '||i.reddituploads.com/',
}, {
e: '[data-url*="i.redd.it"] img[src*="thumb"]',
s: (m, node) => $propUp(node, 'data-url'),
}, {
r: /preview(\.redd\.it\/\w+\.(jpe?g|png|gif))/,
s: 'https://i$1',
}] || [],
dotDomain.endsWith('.tumblr.com') && {
e: 'div.photo_stage_img, div.photo_stage > canvas',
s: (m, node) => /http[^"]+/.exec(node.style.cssText + node.getAttribute('data-img-src'))[0],
follow: true,
},
dotDomain.endsWith('.tweetdeck.twitter.com') && {
e: 'a.media-item, a.js-media-image-link',
s: (m, node) => /http[^)]+/.exec(node.style.backgroundImage)[0],
follow: true,
},
dotDomain.endsWith('.twitter.com') && {
e: '.grid-tweet > .media-overlay',
s: (m, node) => node.previousElementSibling.src,
follow: true,
},
];
const main = [
{
r: /[/?=](https?%3A%2F%2F[^&]+)/i,
s: '$1',
follow: true,
onerror: 'skip',
},
{
u: [
'||500px.com/photo/',
'||cl.ly/',
'||cweb-pix.com/',
'//ibb.co/',
'||imgcredit.xyz/image/',
],
r: /\.\w+\/.+/,
q: 'meta[property="og:image"]',
},
{
u: 'attachment.php',
r: /attachment\.php.+attachmentid/,
},
{
u: '||abload.de/image',
q: '#image',
},
{
u: '||deviantart.com/art/',
s: (m, node) =>
/\b(film|lit)/.test(node.className) || /in Flash/.test(node.title) ?
'' :
m.input,
q: [
'#download-button[href*=".jpg"]',
'#download-button[href*=".jpeg"]',
'#download-button[href*=".gif"]',
'#download-button[href*=".png"]',
'#gmi-ResViewSizer_fullimg',
'img.dev-content-full',
],
},
{
u: '||dropbox.com/s',
r: /com\/sh?\/.+\.(jpe?g|gif|png)/i,
q: (text, doc) =>
$prop('img.absolute-center', 'src', doc).replace(/(size_mode)=\d+/, '$1=5') || false,
},
{
r: /[./]ebay\.[^/]+\/itm\//,
q: text =>
text.match(/https?:\/\/i\.ebayimg\.com\/[^.]+\.JPG/i)[0]
.replace(/~~60_\d+/, '~~60_57'),
},
{
u: '||i.ebayimg.com/',
s: (m, node) =>
$('.zoom_trigger_mask', node.parentNode) ? '' :
m.input.replace(/~~60_\d+/, '~~60_57'),
},
{
u: '||fastpic.',
e: 'a[href*="fastpic"][href*=".html"]',
s: m => m[0].replace('http:', 'https:').replace('fastpic.ru', 'fastpic.org'),
q: 'img[src*="/big/"]',
},
{
u: '||facebook.com/',
r: /photo\.php|[^/]+\/photos\//,
s: (m, node) =>
node.id === 'fbPhotoImage' ? false :
/gradient\.png$/.test(m.input) ? '' :
m.input.replace('www.facebook.com', 'mbasic.facebook.com'),
q: [
'div + span > a:first-child:not([href*="tag_faces"])',
'div + span > a[href*="tag_faces"] ~ a',
],
rect: '#fbProfileCover',
},
{
u: '||fbcdn.',
r: /fbcdn.+?[0-9]+_([0-9]+)_[0-9]+_[a-z]\.(jpg|png)/,
s: m =>
dotDomain.endsWith('.facebook.com') &&
tryCatch(() => unsafeWindow.PhotoSnowlift.getInstance().stream.cache.image[m[1]].url) ||
false,
manual: true,
},
{
u: ['||fbcdn-', 'fbcdn.net/'],
r: /(https?:\/\/(fbcdn-[-\w.]+akamaihd|[-\w.]+?fbcdn)\.net\/[-\w/.]+?)_[a-z]\.(jpg|png)(\?[0-9a-zA-Z0-9=_&]+)?/,
s: (m, node) => {
if (node.id === 'fbPhotoImage') {
const a = $('a.fbPhotosPhotoActionsItem[href$="dl=1"]', doc.body);
if (a) return a.href.includes(m.input.match(/[0-9]+_[0-9]+_[0-9]+/)[0]) ? '' : a.href;
}
if (m[4])
return false;
const pn = node.parentNode;
if (pn.outerHTML.includes('/hovercard/'))
return '';
if (node.outerHTML.includes('profile') && pn.parentNode.href.includes('/photo'))
return false;
return m[1].replace(/\/[spc][\d.x]+/g, '').replace('/v/', '/') + '_n.' + m[3];
},
rect: '.photoWrap',
},
{
u: '||flickr.com/photos/',
r: /photos\/([0-9]+@N[0-9]+|[a-z0-9_-]+)\/([0-9]+)/,
s: m =>
m.input.indexOf('/sizes/') < 0 ?
`https://www.flickr.com/photos/${m[1]}/${m[2]}/sizes/sq/` :
false,
q: (text, doc) => {
const links = $$('.sizes-list a', doc);
return 'https://www.flickr.com' + links[links.length - 1].getAttribute('href');
},
follow: true,
},
{
u: '||flickr.com/photos/',
r: /\/sizes\//,
q: '#allsizes-photo > img',
},
{
u: '||gfycat.com/',
r: /(gfycat\.com\/)(gifs\/detail\/|iframe\/)?([a-z]+)/i,
s: 'https://$1$3',
q: 'meta[content$=".webm"], #webmsource, source[src$=".webm"], .actual-gif-image',
},
{
u: [
'||googleusercontent.com/proxy',
'||googleusercontent.com/gadgets/proxy',
],
r: /\.com\/(proxy|gadgets\/proxy.+?(http.+?)&)/,
s: m => m[2] ? decodeURIComponent(m[2]) : m.input.replace(/w\d+-h\d+($|-p)/, 'w0-h0'),
},
{
u: [
'||googleusercontent.com/',
'||ggpht.com/',
],
s: m => m.input.includes('webcache.') ? '' :
m.input.replace(/\/s\d{2,}-[^/]+|\/w\d+-h\d+/, '/s0')
.replace(/([&?]sz)?=[-\w]+([&#].*)?/, ''),
},
{
u: '||gravatar.com/',
r: /([a-z0-9]{32})/,
s: 'https://gravatar.com/avatar/$1?s=200',
},
{
u: '//gyazo.com/',
r: /\bgyazo\.com\/\w{32,}(\.\w+)?/,
s: (m, _, rule) => Ruler.toggle(rule, 'q', !m[1]) ? m.input : `https://i.${m[0]}`,
_q: 'meta[name="twitter:image"]',
},
{
u: '||hostingkartinok.com/show-image.php',
q: '.image img',
},
{
u: [
'||imagecurl.com/images/',
'||imagecurl.com/viewer.php',
],
r: /(?:images\/(\d+)_thumb|file=(\d+))(\.\w+)/,
s: 'https://imagecurl.com/images/$1$2$3',
},
{
u: '||imagebam.com/image/',
q: 'meta[property="og:image"]',
tabfix: true,
xhr: hostname.includes('planetsuzy'),
},
{
u: '||imageban.ru/thumbs',
r: /(.+?\/)thumbs(\/\d+)\.(\d+)\.(\d+\/.*)/,
s: '$1out$2/$3/$4',
},
{
u: [
'||imageban.ru/show',
'||imageban.net/show',
'||ibn.im/',
],
q: '#img_main',
},
{
u: '||imageshack.us/img',
r: /img(\d+)\.(imageshack\.us)\/img\\1\/\d+\/(.+?)\.th(.+)$/,
s: 'https://$2/download/$1/$3$4',
},
{
u: '||imageshack.us/i/',
q: '#share-dl',
},
{
u: '||imageteam.org/img',
q: 'img[alt="image"]',
},
{
u: [
'||imagetwist.com/',
'||imageshimage.com/',
],
r: /(\/\/|^)[^/]+\/[a-z0-9]{8,}/,
q: 'img.pic',
xhr: true,
},
{
u: '||imageupper.com/i/',
q: '#img',
xhr: true,
},
{
u: '||imagevenue.com/',
q: 'a[data-toggle="full"] img',
},
{
u: '||imagezilla.net/show/',
q: '#photo',
xhr: true,
},
{
u: [
'||images-na.ssl-images-amazon.com/images/',
'||media-imdb.com/images/',
],
r: /images\/.+?\.jpg/,
s: '/V1\\.?_.+?\\.//g',
},
{
u: '||imgbox.com/',
r: /\.com\/([a-z0-9]+)$/i,
q: '#img',
xhr: hostname !== 'imgbox.com',
},
{
u: '||imgclick.net/',
r: /\.net\/(\w+)/,
q: 'img.pic',
xhr: true,
post: m => `op=view&id=${m[1]}&pre=1&submit=Continue%20to%20image...`,
},
{
u: '.imgcredit.xyz/',
r: /^https?(:.*\.xyz\/\d[\w/]+)\.md(.+)/,
s: ['https$1$2', 'https$1.png'],
},
{
u: [
'||imgflip.com/i/',
'||imgflip.com/gif/',
],
r: /\/(i|gif)\/([^/?#]+)/,
s: m => `https://i.imgflip.com/${m[2]}${m[1] === 'i' ? '.jpg' : '.mp4'}`,
},
{
u: [
'||imgur.com/a/',
'||imgur.com/gallery/',
],
g: async (text, doc, url, m, rule, node, cb) => {
let u = `https://imgur.com/ajaxalbums/getimages/${url.split(/[/?#]/)[4]}/hit.json?all=true`;
const info = tryCatch(JSON.parse, (await Remoting.gmXhr(u)).responseText);
const images = ((info || 0).data || 0).images;
const items = [];
for (const img of images || []) {
u = `https://i.imgur.com/${img.hash}`;
items.push({
url: img.ext === '.gif' && img.animated !== false ?
[`${u}.webm`, `${u}.mp4`, u] :
u + img.ext,
desc: [img.title, img.description].filter(Boolean).join(' - '),
});
}
if (items[0] && info.title && !`${items[0].desc || ''}`.includes(info.title))
items.title = info.title;
cb(items);
},
css: '.post > .hover { display:none!important; }',
},
{
u: '||imgur.com/',
r: /((?:[a-z]{2,}\.)?imgur\.com\/)((?:\w+,)+\w*)/,
s: 'gallery',
g: (text, doc, url, m) =>
m[2].split(',').map(id => ({
url: `https://i.${m[1]}${id}.jpg`,
})),
},
{
u: '||imgur.com/',
r: /([a-z]{2,}\.)?imgur\.com\/(r\/[a-z]+\/|[a-z0-9]+#)?([a-z0-9]{5,})($|\?|\.(mp4|[a-z]+))/i,
s: (m, node) => {
if (/memegen|random|register|search|signin/.test(m.input))
return '';
const a = node.closest('a');
if (a && a !== node && /(i\.([a-z]+\.)?)?imgur\.com\/(a\/|gallery\/)?/.test(a.href))
return false;
// postfixes: huge, large, medium, thumbnail, big square, small square
const id = m[3].replace(/(.{7})[hlmtbs]$/, '$1');
const ext = m[5] ? m[5].replace(/gifv?/, 'webm') : 'jpg';
const u = `https://i.${(m[1] || '').replace('www.', '')}imgur.com/${id}.`;
return ext === 'webm' ?
[`${u}webm`, `${u}mp4`, `${u}gif`] :
u + ext;
},
},
{
u: [
'||instagr.am/p/',
'||instagram.com/p/',
],
s: m => m.input.substr(0, m.input.lastIndexOf('/')).replace('/liked_by', '') + '/?__a=1',
q: text => {
const m = JSON.parse(text).graphql.shortcode_media;
return m.video_url || m.display_url;
},
rect: 'div.PhotoGridMediaItem',
c: text => {
const m = JSON.parse(text).graphql.shortcode_media.edge_media_to_caption.edges[0];
return m === undefined ? '(no caption)' : m.node.text;
},
},
{
u: [
'||livememe.com/',
'||lvme.me/',
],
r: /\.\w+\/([^.]+)$/,
s: 'http://i.lvme.me/$1.jpg',
},
{
u: '||lostpic.net/image',
q: '.image-viewer-image img',
},
{
u: '||makeameme.org/meme/',
r: /\/meme\/([^/?#]+)/,
s: 'https://media.makeameme.org/created/$1.jpg',
},
{
u: '||photobucket.com/',
r: /(\d+\.photobucket\.com\/.+\/)(\?[a-z=&]+=)?(.+\.(jpe?g|png|gif))/,
s: 'https://i$1$3',
xhr: !dotDomain.endsWith('.photobucket.com'),
},
{
u: '||piccy.info/view3/',
r: /(.+?\/view3)\/(.*)\//,
s: '$1/$2/orig/',
q: '#mainim',
},
{
u: '||pimpandhost.com/image/',
r: /(.+?\/image\/[0-9]+)/,
s: '$1?size=original',
q: 'img.original',
},
{
u: [
'||pixroute.com/',
'||imgspice.com/',
],
r: /\.html$/,
q: 'img[id]',
xhr: true,
},
{
u: '||postima',
r: /postima?ge?\.org\/image\/\w+/,
q: [
'a[href*="dl="]',
'#main-image',
],
},
{
u: [
'||prntscr.com/',
'||prnt.sc/',
],
r: /\.\w+\/.+/,
q: 'meta[property="og:image"]',
xhr: true,
},
{
u: '||radikal.ru/',
r: /\.ru\/(fp|.+?\.html)|^(.+?)t\.jpg/,
s: (m, node, rule) =>
m[2] && /radikal\.ru[\w%/]+?(\.\w+)/.test($propUp(node, 'href')) ? m[2] + RegExp.$1 :
Ruler.toggle(rule, 'q', m[1]) ? m.input : [m[2] + '.jpg', m[2] + '.png'],
_q: text => text.match(/https?:\/\/\w+\.radikal\.ru[\w/]+\.(jpg|gif|png)/i)[0],
},
{
u: '||tumblr.com',
r: /_500\.jpg/,
s: ['/_500/_1280/', ''],
},
{
u: '||twimg.com/media/',
r: /.+?format=(jpe?g|png|gif)/i,
s: '$0&name=orig',
},
{
u: '||twimg.com/media/',
r: /.+?\.(jpe?g|png|gif)/i,
s: '$0:orig',
},
{
u: '||twimg.com/1/proxy',
r: /t=([^&_]+)/i,
s: m => atob(m[1]).match(/http.+/),
},
{
u: '||twimg.com/',
r: /\/profile_images/i,
s: '/_(reasonably_small|normal|bigger|\\d+x\\d+)\\././g',
},
{
u: '||pic.twitter.com/',
r: /\.com\/[a-z0-9]+/i,
q: text => text.match(/https?:\/\/twitter\.com\/[^/]+\/status\/\d+\/photo\/\d+/i)[0],
follow: true,
},
{
u: '||twitpic.com/',
r: /\.com(\/show\/[a-z]+)?\/([a-z0-9]+)($|#)/i,
s: 'https://twitpic.com/show/large/$2',
},
{
u: '||wiki',
r: /\/(thumb|images)\/.+\.(jpe?g|gif|png|svg)\/(revision\/)?/i,
s: '/\\/thumb(?=\\/)|' +
'\\/scale-to-width(-[a-z]+)?\\/[0-9]+|' +
'\\/revision\\/latest|\\/[^\\/]+$//g',
xhr: !hostname.includes('wiki'),
},
{
u: '||ytimg.com/vi/',
r: /(.+?\/vi\/[^/]+)/,
s: '$1/0.jpg',
rect: '.video-list-item',
},
{
u: '/viewer.php?file=',
r: /(.+?)\/viewer\.php\?file=(.+)/,
s: '$1/images/$2',
xhr: true,
},
{
u: '/thumb_',
r: /\/albums.+\/thumb_[^/]/,
s: '/thumb_//',
},
{
u: [
'.th.jp',
'.th.gif',
'.th.png',
],
r: /(.+?\.)th\.(jpe?g?|gif|png|svg|webm)$/i,
s: '$1$2',
follow: true,
},
{
r: RX_MEDIA_URL,
},
];
/** @type mpiv.HostRule[] */
(Ruler.rules = [].concat(customRules, disablers, perDomain, main).filter(Boolean))
.forEach(rule => {
if (Array.isArray(rule.e))
rule.e = rule.e.join(',');
});
},
format(rule, {expand} = {}) {
const s = Util.stringify(rule, null, ' ');
return expand ?
/* {"a": ...,
"b": ...,
"c": ...
} */
s.replace(/^{\s+/g, '{') :
/* {"a": ..., "b": ..., "c": ...} */
s.replace(/\n\s*/g, ' ').replace(/^({)\s|\s+(})$/g, '$1$2');
},
fromElement(el) {
const text = el.textContent.trim();
if (text.startsWith('{') &&
text.endsWith('}') &&
/[{,]\s*"[degqrsu]"\s*:\s*"/.test(text)) {
const rule = tryCatch(JSON.parse, text);
return rule && Object.keys(rule).some(k => /^[degqrsu]$/.test(k)) && rule;
}
},
isValidE2: ([k, v]) => k.trim() && typeof v === 'string' && v.trim(),
/** @returns mpiv.HostRule | Error | false | undefined */
parse(rule) {
const isBatchOp = this instanceof Map;
try {
if (typeof rule === 'string')
rule = JSON.parse(rule);
if ('d' in rule && typeof rule.d !== 'string')
rule.d = undefined;
else if (isBatchOp && rule.d && !hostname.includes(rule.d))
return false;
if ('e' in rule) {
let {e} = rule;
if (typeof e === 'string') {
e = e.trim();
} else if (
Array.isArray(e) && !e.every((s, i) => typeof s === 'string' && (e[i] = s.trim())) ||
e && !Object.entries(e).filter(Ruler.isValidE2).length
) {
throw new Error('Invalid syntax for "e". Examples: ' +
'"e": ".image" or ' +
'"e": [".image1", ".image2"] or ' +
'"e": {".parent": ".image"} or ' +
'"e": {".parent1": ".image1", ".parent2": ".image2"}');
}
if (isBatchOp) rule.e = e || undefined;
}
let compileTo = isBatchOp ? rule : {};
if (rule.r)
compileTo.r = new RegExp(rule.r, 'i');
if (App.NOP)
compileTo = {};
for (const key of Object.keys(FN_ARGS)) {
if (RX_HAS_CODE.test(rule[key])) {
const fn = Util.newFunction(...FN_ARGS[key], rule[key]);
if (fn !== App.NOP || !isBatchOp) {
compileTo[key] = fn;
} else if (isBatchOp) {
this.set(rule, 'unsafe-eval');
}
}
}
return rule;
} catch (err) {
if (isBatchOp) {
this.set(rule, err);
return rule;
} else {
return err;
}
}
},
runC(text, doc = document) {
const fn = Ruler.runCHandler[typeof ai.rule.c] || Ruler.runCHandler.default;
ai.caption = fn(text, doc);
},
runCHandler: {
function: (text, doc) =>
ai.rule.c(text || doc.documentElement.outerHTML, doc, ai.node, ai.rule),
string: (text, doc) => {
const el = $many(ai.rule.c, doc);
return !el ? '' :
el.getAttribute('content') ||
el.getAttribute('title') ||
el.textContent;
},
default: () =>
(ai.tooltip || 0).text ||
ai.node.alt ||
$propUp(ai.node, 'title') ||
Remoting.getFileName(
ai.node.tagName === (ai.popup || 0).tagName
? ai.url
: ai.node.src || $propUp(ai.node, 'href')),
},
runQ(text, doc, docUrl) {
let url;
if (isFunction(ai.rule.q)) {
url = ai.rule.q(text, doc, ai.node, ai.rule);
if (Array.isArray(url)) {
ai.urls = url.slice(1);
url = url[0];
}
} else {
const el = $many(ai.rule.q, doc);
url = Remoting.findImageUrl(el, docUrl);
}
return url;
},
/** @returns {?boolean|mpiv.RuleMatchInfo} */
runE(rule, node) {
const {e} = rule;
if (typeof e === 'string')
return node.matches(e);
let p, img, res, info;
for (const selParent in e) {
if ((p = node.closest(selParent)) && (img = $(e[selParent], p))) {
if (img === node)
res = true;
else if ((info = RuleMatcher.adaptiveFind(img, {rules: [rule]})))
return info;
}
}
return res;
},
/** @returns {?Array} if falsy then the rule should be skipped */
runS(node, rule, m) {
let urls = [];
for (const s of ensureArray(rule.s))
urls.push(
typeof s === 'string' ? Util.decodeUrl(Ruler.substituteSingle(s, m)) :
isFunction(s) ? s(m, node, rule) :
s);
if (rule.q && urls.length > 1) {
console.warn('Rule discarded: "s" array is not allowed with "q"\n%o', rule);
return;
}
if (Array.isArray(urls[0]))
urls = urls[0];
// `false` returned by "s" property means "skip this rule", "" means "stop all rules"
return urls[0] !== false && Array.from(new Set(urls), Util.decodeUrl);
},
/** @returns {boolean} */
runU(rule, url) {
const u = rule[SYM_U] || (rule[SYM_U] = UrlMatcher(rule.u));
return u.fn.call(u.data, url);
},
substituteSingle(s, m) {
if (!m || m.input == null) return s;
if (s.startsWith('/') && !s.startsWith('//')) {
const mid = s.search(/[^\\]\//) + 1;
const end = s.lastIndexOf('/');
const re = new RegExp(s.slice(1, mid), s.slice(end + 1));
return m.input.replace(re, s.slice(mid + 1, end));
}
if (m.length && s.includes('$')) {
const maxLength = Math.floor(Math.log10(m.length)) + 1;
s = s.replace(/\$(\d{1,3})/g, (text, num) => {
for (let i = maxLength; i >= 0; i--) {
const part = num.slice(0, i) | 0;
if (part < m.length)
return (m[part] || '') + num.slice(i);
}
return text;
});
}
return s;
},
toggle(rule, prop, condition) {
rule[prop] = condition ? rule[`_${prop}`] : null;
return condition;
},
};
const RuleMatcher = {
/** @returns {Object} */
adaptiveFind(node, opts) {
const tn = node.tagName;
const src = node.currentSrc || node.src;
const isPic = tn === 'IMG' || tn === 'VIDEO' && Util.isVideoUrlExt(src);
let a, info, url;
// note that data URLs aren't passed to rules as those may have fatally ineffective regexps
if (tn !== 'A') {
url = isPic && !src.startsWith('data:') && Util.rel2abs(src);
info = RuleMatcher.find(url, node, opts);
}
if (!info && (a = node.closest('A'))) {
const ds = a.dataset;
url = ds.expandedUrl || ds.fullUrl || ds.url || a.href || '';
url = url.includes('//t.co/') ? 'https://' + a.textContent : url;
url = !url.startsWith('data:') && url;
info = RuleMatcher.find(url, a, opts);
}
if (!info && isPic)
info = {node, rule: {}, url: src};
return info;
},
/** @returns ?mpiv.RuleMatchInfo */
find(url, node, {noHtml, rules, skipRules} = {}) {
const tn = node.tagName;
const isPic = tn === 'IMG' || tn === 'VIDEO';
const isPicOrLink = isPic || tn === 'A';
let m, html, info;
for (const rule of rules || Ruler.rules) {
if (skipRules && skipRules.includes(rule) ||
rule.u && (!url || !Ruler.runU(rule, url)) ||
rule.e && !rules && !(info = Ruler.runE(rule, node)))
continue;
if (info && info.url)
return info;
if (rule.r)
m = !noHtml && rule.html && (isPicOrLink || rule.e)
? rule.r.exec(html || (html = node.outerHTML))
: url && rule.r.exec(url);
else if (url)
m = Object.assign([url], {index: 0, input: url});
else
m = [];
if (!m)
continue;
if (rule.s === '')
return {};
let hasS = rule.s != null;
// a rule with follow:true for the currently hovered IMG produced a URL,
// but we'll only allow it to match rules without 's' in the nested find call
if (isPic && !hasS && !skipRules)
continue;
hasS &= rule.s !== 'gallery';
const urls = hasS ? Ruler.runS(node, rule, m) : [m.input];
if (urls)
return RuleMatcher.makeInfo(hasS, rule, m, node, skipRules, urls);
}
},
/** @returns ?mpiv.RuleMatchInfo */
makeInfo(hasS, rule, match, node, skipRules, urls) {
let info;
let url = `${urls[0]}`;
const follow = url && hasS && !rule.q && RuleMatcher.isFollowableUrl(url, rule);
if (url)
url = Util.rel2abs(url);
else
info = {};
if (follow)
info = RuleMatcher.find(url, node, {skipRules: [...skipRules || [], rule]});
if (!info && (!follow || RX_MEDIA_URL.test(url))) {
const xhr = cfg.xhr && rule.xhr;
info = {
match,
node,
rule,
url,
urls: urls.length > 1 ? urls.slice(1) : null,
gallery: rule.g && Gallery.makeParser(rule.g),
post: isFunction(rule.post) ? rule.post(match) : rule.post,
xhr: xhr != null ? xhr : isSecureContext && !url.startsWith(location.protocol),
};
}
return info;
},
isFollowableUrl(url, rule) {
const f = rule.follow;
return isFunction(f) ? f(url) : f;
},
};
const Remoting = {
gmXhr(url, opts = {}) {
if (ai.req)
tryCatch.call(ai.req, ai.req.abort);
return new Promise((resolve, reject) => {
const {anonymous} = ai.rule || {};
ai.req = GM.xmlHttpRequest({
url,
anonymous,
withCredentials: !anonymous,
method: 'GET',
timeout: 30e3,
...opts,
onload: done,
onerror: done,
ontimeout() {
ai.req = null;
reject(`Timeout fetching ${url}`);
},
});
function done(r) {
ai.req = null;
if (r.status < 400 && !r.error)
resolve(r);
else
reject(`Server error ${r.status} ${r.error}\nURL: ${url}`);
}
});
},
async getDoc(url) {
if (!url) {
// current document
return {
doc,
finalUrl: location.href,
responseText: doc.documentElement.outerHTML,
};
}
const r = await (!ai.post ?
Remoting.gmXhr(url) :
Remoting.gmXhr(url, {
method: 'POST',
data: ai.post,
headers: {
'Content-Type': 'application/x-www-form-urlencoded',
'Referer': url,
},
}));
r.doc = $parseHtml(r.responseText);
return r;
},
async getImage(url, pageUrl, xhr = ai.xhr) {
ai.bufBar = false;
ai.bufStart = now();
const response = await Remoting.gmXhr(url, {
responseType: 'blob',
headers: {
Accept: 'image/png,image/*;q=0.8,*/*;q=0.5',
Referer: pageUrl || (isFunction(xhr) ? xhr() : url),
},
onprogress: Remoting.getImageProgress,
});
Bar.set(false);
const type = Remoting.guessMimeType(response);
let b = response.response;
if (!b) throw 'Empty response';
if (b.type !== type)
b = b.slice(0, b.size, type);
const res = xhr === 'blob'
? (ai.blobUrl = URL.createObjectURL(b))
: await Remoting.blobToDataUrl(b);
return [res, type.startsWith('video')];
},
getImageProgress(e) {
if (!ai.bufBar && now() - ai.bufStart > 3000 && e.loaded / e.total < 0.5)
ai.bufBar = true;
if (ai.bufBar) {
const pct = e.loaded / e.total * 100 | 0;
const size = e.total / 1024 | 0;
Bar.set(`${pct}% of ${size} kiB`, 'xhr');
}
},
async findRedirect() {
try {
const {finalUrl} = await Remoting.gmXhr(ai.url, {
method: 'HEAD',
headers: {
'Referer': location.href.split('#', 1)[0],
},
});
const info = RuleMatcher.find(finalUrl, ai.node, {noHtml: true});
if (!info || !info.url)
throw `Couldn't follow redirection target: ${finalUrl}`;
Object.assign(ai, info);
App.startSingle();
} catch (e) {
App.handleError(e);
}
},
async saveFile() {
const url = ai.popup.src || ai.popup.currentSrc;
let name = Remoting.getFileName(ai.imageUrl || url);
if (!name.includes('.'))
name += '.jpg';
if (url.startsWith('blob:') || url.startsWith('data:')) {
$create('a', {href: url, download: name})
.dispatchEvent(new MouseEvent('click'));
} else {
Status.set('+loading');
const onload = () => Status.set('-loading');
const gmDL = typeof GM_download === 'function';
(gmDL ? GM_download : GM.xmlHttpRequest)({
url,
name,
headers: {Referer: url},
method: 'get', // polyfilling GM_download
responseType: 'blob', // polyfilling GM_download
overrideMimeType: 'application/octet-stream', // polyfilling GM_download
onerror: e => {
Bar.set(`Could not download ${name}: ${e.error || e.message || e}.`, 'error');
onload();
},
onprogress: Remoting.getImageProgress,
onload({response}) {
onload();
if (!gmDL) { // polyfilling GM_download
const a = Object.assign(document.createElement('a'), {
href: URL.createObjectURL(response),
download: name,
});
a.dispatchEvent(new MouseEvent('click'));
setTimeout(URL.revokeObjectURL, 10e3, a.href);
}
},
});
}
},
getFileName(url) {
return decodeURIComponent(url).split('/').pop().replace(/[:#?].*/, '');
},
blobToDataUrl(blob) {
return new Promise((resolve, reject) => {
const fr = new FileReader();
fr.onload = () => resolve(fr.result);
fr.onerror = reject;
fr.readAsDataURL(blob);
});
},
guessMimeType({responseHeaders, finalUrl}) {
if (/Content-Type:\s*(\S+)/i.test(responseHeaders) &&
!RegExp.$1.includes('text/plain'))
return RegExp.$1;
const ext = Util.extractFileExt(finalUrl) || 'jpg';
switch (ext.toLowerCase()) {
case 'bmp': return 'image/bmp';
case 'gif': return 'image/gif';
case 'jpe': return 'image/jpeg';
case 'jpeg': return 'image/jpeg';
case 'jpg': return 'image/jpeg';
case 'mp4': return 'video/mp4';
case 'png': return 'image/png';
case 'svg': return 'image/svg+xml';
case 'tif': return 'image/tiff';
case 'tiff': return 'image/tiff';
case 'webm': return 'video/webm';
default: return 'application/octet-stream';
}
},
findImageUrl(n, url) {
if (!n) return;
let html;
const path =
n.getAttribute('data-src') || // lazy loaded src, whereas current `src` is an empty 1x1 pixel
n.getAttribute('src') ||
n.getAttribute('data-m4v') ||
n.getAttribute('href') ||
n.getAttribute('content') ||
(html = n.outerHTML).includes('http') &&
html.match(/https?:\/\/[^\s"<>]+?\.(jpe?g|gif|png|svg|web[mp]|mp4)[^\s"<>]*|$/i)[0];
return !!path && Util.rel2abs(Util.decodeHtmlEntities(path),
$prop('base[href]', 'href', n.ownerDocument) || url);
},
};
const Status = {
set(status) {
if (!status && !cfg.globalStatus) {
if (ai.node) ai.node.removeAttribute(STATUS_ATTR);
return;
}
const prefix = cfg.globalStatus ? PREFIX : '';
const action = status && /^[+-]/.test(status) && status[0];
const name = status && `${prefix}${action ? status.slice(1) : status}`;
const el = cfg.globalStatus ? doc.documentElement :
name === 'edge' ? ai.popup :
ai.node;
if (!el) return;
const attr = cfg.globalStatus ? 'class' : STATUS_ATTR;
const oldValue = (el.getAttribute(attr) || '').trim();
const cls = new Set(oldValue ? oldValue.split(/\s+/) : []);
switch (action) {
case '-':
cls.delete(name);
break;
case false:
for (const c of cls)
if (c.startsWith(prefix) && c !== name)
cls.delete(c);
// fallthrough to +
case '+':
if (name)
cls.add(name);
break;
}
const newValue = [...cls].join(' ');
if (newValue !== oldValue)
el.setAttribute(attr, newValue);
},
loading(force) {
if (!force) {
clearTimeout(ai.timerStatus);
ai.timerStatus = setTimeout(Status.loading, SETTLE_TIME, true);
} else if (!ai.popupLoaded) {
Status.set('+loading');
}
},
};
const UrlMatcher = (() => {
// string-to-regexp escaped chars
const RX_ESCAPE = /[.+*?(){}[\]^$|]/g;
// rx for '^' symbol in simple url match
const RX_SEP = /[^\w%._-]/y;
const RXS_SEP = RX_SEP.source;
return match => {
const results = [];
for (const s of ensureArray(match)) {
const pinDomain = s.startsWith('||');
const pinStart = !pinDomain && s.startsWith('|');
const endSep = s.endsWith('^');
let fn;
let needle = s.slice(pinDomain * 2 + pinStart, -endSep || undefined);
if (needle.includes('^')) {
let plain = '';
for (const part of needle.split('^'))
if (part.length > plain.length)
plain = part;
const rx = new RegExp(
(pinStart ? '^' : '') +
(pinDomain ? '^(([^/:]+:)?//)?([^./]*\\.)*?' : '') +
needle.replace(RX_ESCAPE, '\\$&').replace(/\\\^/g, RXS_SEP) +
(endSep ? `(?:${RXS_SEP}|$)` : ''), 'i');
needle = [plain, rx];
fn = regexp;
} else if (pinStart) {
fn = endSep ? equals : starts;
} else if (pinDomain) {
const slashPos = needle.indexOf('/');
const domain = slashPos > 0 ? needle.slice(0, slashPos) : needle;
needle = [needle, domain, slashPos > 0, endSep];
fn = startsDomainPrescreen;
} else if (endSep) {
fn = ends;
} else {
fn = has;
}
results.push({fn, data: needle});
}
return results.length > 1 ?
{fn: checkArray, data: results} :
results[0];
};
function checkArray(s) {
return this.some(checkArrayItem, s);
}
function checkArrayItem(item) {
return item.fn.call(item.data, this);
}
function ends(s) {
return s.endsWith(this) || (
s.length > this.length &&
s.indexOf(this, s.length - this.length - 1) >= 0 &&
endsWithSep(s));
}
function endsWithSep(s, pos = s.length - 1) {
RX_SEP.lastIndex = pos;
return RX_SEP.test(s);
}
function equals(s) {
return s.startsWith(this) && (
s.length === this.length ||
s.length === this.length + 1 && endsWithSep(s));
}
function has(s) {
return s.includes(this);
}
function regexp(s) {
return s.includes(this[0]) && this[1].test(s);
}
function starts(s) {
return s.startsWith(this);
}
function startsDomainPrescreen(url) {
return url.includes(this[0]) && startsDomain.call(this, url);
}
function startsDomain(url) {
let hostStart = url.indexOf('//');
if (hostStart && url[hostStart - 1] !== ':')
return;
hostStart = hostStart < 0 ? 0 : hostStart + 2;
const host = url.slice(hostStart, (url.indexOf('/', hostStart) + 1 || url.length + 1) - 1);
const [needle, domain, pinDomainEnd, endSep] = this;
let start = pinDomainEnd ? host.length - domain.length : 0;
for (; ; start++) {
start = host.indexOf(domain, start);
if (start < 0)
return;
if (!start || host[start - 1] === '.')
break;
}
start += hostStart;
if (url.lastIndexOf(needle, start) !== start)
return;
const end = start + needle.length;
return !endSep || end === host.length || end === url.length || endsWithSep(url, end);
}
})();
const Util = {
addStyle(name, css) {
const id = `${PREFIX}style:${name}`;
const el = doc.getElementById(id) ||
css && $create('style', {id});
if (!el) return;
if (el.textContent !== css)
el.textContent = css;
if (el.parentElement !== doc.head)
doc.head.appendChild(el);
return el;
},
color(color, opacity = cfg[`ui${color}Opacity`]) {
return (color.startsWith('#') ? color : cfg[`ui${color}Color`]) +
(0x100 + Math.round(opacity / 100 * 255)).toString(16).slice(1);
},
decodeHtmlEntities(s) {
return s
.replace(/"/g, '"')
.replace(/'/g, '\'')
.replace(/</g, '<')
.replace(/>/g, '>')
.replace(/&/g, '&');
},
// decode only if the main part of the URL is encoded to preserve the encoded parameters
decodeUrl(url) {
if (!url || typeof url !== 'string') return url;
const iPct = url.indexOf('%');
const iColon = url.indexOf(':');
return iPct >= 0 && (iPct < iColon || iColon < 0) ?
decodeURIComponent(url) :
url;
},
deepEqual(a, b) {
if (!a || !b || typeof a !== 'object' || typeof a !== typeof b)
return a === b;
if (Array.isArray(a)) {
return Array.isArray(b) &&
a.length === b.length &&
a.every((v, i) => Util.deepEqual(v, b[i]));
}
const keys = Object.keys(a);
return keys.length === Object.keys(b).length &&
keys.every(k => Util.deepEqual(a[k], b[k]));
},
extractFileExt: url => (url = RX_MEDIA_URL.exec(url)) && url[1],
forceLayout(node) {
// eslint-disable-next-line no-unused-expressions
node.clientHeight;
},
formatError(e, rule) {
const message =
e.message ||
e.readyState && 'Request failed.' ||
e.type === 'error' && `File can't be displayed.${
$('div[bgactive*="flashblock"]', doc) ? ' Check Flashblock settings.' : ''
}` ||
e;
const m = [
[`${GM_info.script.name}: %c${message}%c`, 'font-weight:bold'],
['', 'font-weight:normal'],
];
m.push(...[
['Node: %o', ai.node],
['Rule: %o', rule],
ai.url && ['URL: %s', ai.url],
ai.imageUrl && ai.imageUrl !== ai.url && ['File: %s', ai.imageUrl],
].filter(Boolean));
return {
message,
consoleFormat: m.map(([k]) => k).filter(Boolean).join('\n'),
consoleArgs: m.map(([, v]) => v),
};
},
isHovered(el) {
// doesn't work in image tabs, browser bug?
return App.isImageTab || el.closest(':hover');
},
isVideoUrl: url => url.startsWith('data:video') || Util.isVideoUrlExt(url),
isVideoUrlExt: url => (url = Util.extractFileExt(url)) && /^(webm|mp4)$/i.test(url),
newFunction(...args) {
try {
return App.NOP || new Function(...args);
} catch (e) {
if (!RX_EVAL_BLOCKED.test(e.message))
throw e;
App.NOP = () => {};
return App.NOP;
}
},
rel2abs(rel, abs = location.href) {
try {
return /^(data:|blob:|[-\w]+:\/\/)/.test(rel) ? rel :
new URL(rel, abs).href;
} catch (e) {
return rel;
}
},
stringify(...args) {
const p = Array.prototype;
const {toJSON} = p;
if (toJSON) p.toJSON = null;
const res = JSON.stringify(...args);
if (toJSON) p.toJSON = toJSON;
return res;
},
suppressTooltip() {
for (const node of [
ai.node.parentNode,
ai.node,
ai.node.firstElementChild,
]) {
const t = (node || 0).title;
if (t && t !== node.textContent && !doc.title.includes(t) && !/^https?:\S+$/.test(t)) {
ai.tooltip = {node, text: t};
node.title = '';
break;
}
}
},
tabFixUrl() {
return ai.rule.tabfix && ai.popup.tagName === 'IMG' && !ai.xhr &&
navigator.userAgent.includes('Gecko/') &&
flattenHtml(`data:text/html;charset=utf8,
<style>
body {
margin: 0;
padding: 0;
background: #222;
}
.fit {
overflow: hidden
}
.fit > img {
max-width: 100vw;
max-height: 100vh;
}
body > img {
margin: auto;
position: absolute;
left: 0;
right: 0;
top: 0;
bottom: 0;
}
</style>
<body class=fit>
<img onclick="document.body.classList.toggle('fit')" src="${ai.popup.src}">
</body>
`).replace(/\x20?([:>])\x20/g, '$1').replace(/#/g, '%23');
},
};
async function setup({rule} = {}) {
if (!isFunction(doc.body.attachShadow)) {
alert('Cannot show MPIV config dialog: the browser is probably too old.\n' +
'You can edit the script\'s storage directly in your userscript manager.');
return;
}
const RULE = setup.RULE || (setup.RULE = Symbol('rule'));
let uiCfg;
let root = (elConfig || 0).shadowRoot;
let {blankRuleElement} = setup;
/** @type NodeList */
const UI = new Proxy({}, {
get(_, id) {
return root.getElementById(id);
},
});
if (!rule || !elConfig)
init(await Config.load({save: true}));
if (rule)
installRule(rule);
function init(data) {
uiCfg = data;
$remove(elConfig);
elConfig = $create('div', {contentEditable: true});
root = elConfig.attachShadow({mode: 'open'});
root.innerHTML = TRUSTED.createHTML(createConfigHtml());
initEvents();
renderAll();
renderCustomScales();
renderRules();
doc.body.appendChild(elConfig);
requestAnimationFrame(() => {
UI.css.style.minHeight = clamp(UI.css.scrollHeight, 40, elConfig.clientHeight / 4) + 'px';
});
}
function initEvents() {
UI._apply.onclick = UI._cancel.onclick = UI._ok.onclick = UI._x.onclick = closeSetup;
UI._export.onclick = e => {
dropEvent(e);
GM.setClipboard(Util.stringify(collectConfig(), null, ' '));
UI._exportNotification.hidden = false;
setTimeout(() => (UI._exportNotification.hidden = true), 1000);
};
UI._import.onclick = e => {
dropEvent(e);
const s = prompt('Paste settings:');
if (s)
init(new Config({data: s}));
};
UI._install.onclick = setupRuleInstaller;
const /** @type {HTMLTextAreaElement} */ cssApp = UI._cssApp;
UI._reveal.onclick = e => {
e.preventDefault();
cssApp.hidden = !cssApp.hidden;
if (!cssApp.hidden) {
if (!cssApp.value) {
App.updateStyles();
cssApp.value = App.globalStyle.trim();
cssApp.setSelectionRange(0, 0);
}
cssApp.focus();
}
};
UI.start.onchange = function () {
UI.delay.closest('label').hidden =
UI.preload.closest('label').hidden =
this.value !== 'auto';
};
UI.start.onchange();
UI.xhr.onclick = ({target: el}) => el.checked || confirm($propUp(el, 'title'));
// color
for (const el of $$('[type="color"]', root)) {
el.oninput = colorOnInput;
el.elSwatch = el.nextElementSibling;
el.elOpacity = UI[el.id.replace('Color', 'Opacity')];
el.elOpacity.elColor = el;
}
function colorOnInput() {
this.elSwatch.style.setProperty('--color',
Util.color(this.value, this.elOpacity.valueAsNumber));
}
// range
for (const el of $$('[type="range"]', root)) {
el.oninput = rangeOnInput;
el.onblur = rangeOnBlur;
el.addEventListener('focusin', rangeOnFocus);
}
function rangeOnBlur(e) {
if (this.elEdit && e.relatedTarget !== this.elEdit)
this.elEdit.onblur(e);
}
function rangeOnFocus() {
if (this.elEdit) return;
const {min, max, step, value} = this;
this.elEdit = $create('input', {
value, min, max, step,
className: 'range-edit',
style: `left: ${this.offsetLeft}px; margin-top: ${this.offsetHeight + 1}px`,
type: 'number',
elRange: this,
onblur: rangeEditOnBlur,
oninput: rangeEditOnInput,
});
this.insertAdjacentElement('afterend', this.elEdit);
}
function rangeOnInput() {
this.title = (this.dataset.title || '').replace('$', this.value);
if (this.elColor) this.elColor.oninput();
if (this.elEdit) this.elEdit.valueAsNumber = this.valueAsNumber;
}
// range-edit
function rangeEditOnBlur(e) {
if (e.relatedTarget !== this.elRange) {
this.remove();
this.elRange.elEdit = null;
}
}
function rangeEditOnInput() {
this.elRange.valueAsNumber = this.valueAsNumber;
this.elRange.oninput();
}
// prevent the main page from interpreting key presses in inputs as hotkeys
// which may happen since it sees only the outer <div> in the event |target|
root.addEventListener('keydown', e => !e.altKey && !e.metaKey && e.stopPropagation(), true);
}
function closeSetup(event) {
const isApply = this.id === '_apply';
if (event && (this.id === '_ok' || isApply)) {
cfg = uiCfg = collectConfig({save: true, clone: isApply});
Ruler.init();
Menu.reRegisterAlt();
if (isApply) {
renderCustomScales();
UI._css.textContent = cfg._getCss();
return;
}
}
$remove(elConfig);
elConfig = null;
}
function collectConfig({save, clone} = {}) {
let data = {};
for (const el of $$('input[id], select[id]', root))
data[el.id] = el.type === 'checkbox' ? el.checked :
(el.type === 'number' || el.type === 'range') ? el.valueAsNumber :
el.value || '';
Object.assign(data, {
css: UI.css.value.trim(),
delay: UI.delay.valueAsNumber * 1000,
hosts: collectRules(),
scale: clamp(UI.scale.valueAsNumber / 100, 0, 1) + 1,
scales: UI.scales.value
.trim()
.split(/[,;]*\s+/)
.map(x => x.replace(',', '.'))
.filter(x => !isNaN(parseFloat(x))),
});
if (clone)
data = JSON.parse(Util.stringify(data));
return new Config({data, save});
}
function collectRules() {
return [...UI._rules.children]
.map(el => [el.value.trim(), el[RULE]])
.sort((a, b) => a[0] < b[0] ? -1 : a[0] > b[0] ? 1 : 0)
.map(([s, json]) => json || s)
.filter(Boolean);
}
function checkRule({target: el}) {
let json, error, title;
const prev = el.previousElementSibling;
if (el.value) {
json = Ruler.parse(el.value);
error = json instanceof Error && (json.message || String(json));
const invalidDomain = !error && json && typeof json.d === 'string' &&
!/^[-.a-z0-9]*$/i.test(json.d);
title = [invalidDomain && 'Disabled due to invalid characters in "d"', error]
.filter(Boolean).join('\n');
el.classList.toggle('invalid-domain', invalidDomain);
el.classList.toggle('matching-domain', !!json.d && hostname.includes(json.d));
if (!prev)
el.insertAdjacentElement('beforebegin', blankRuleElement.cloneNode());
} else if (prev) {
prev.focus();
el.remove();
}
el[RULE] = !error && json;
el.title = title;
el.setCustomValidity(error || '');
}
async function focusRule({target: el, relatedTarget: from}) {
if (el === this)
return;
await new Promise(setTimeout);
if (el[RULE] && el.rows < 2) {
let i = el.selectionStart;
const txt = el.value = Ruler.format(el[RULE], {expand: true});
i += txt.slice(0, i).match(/^\s*/gm).reduce((len, s) => len + s.length, 0);
el.setSelectionRange(i, i);
el.rows = txt.match(/^/gm).length;
}
if (!this.contains(from))
from = [...$$('[style*="height"]', this)].find(_ => _ !== el);
}
function installRule(rule) {
const inputs = UI._rules.children;
let el = [...inputs].find(el => Util.deepEqual(el[RULE], rule));
if (!el) {
el = inputs[0];
el[RULE] = rule;
el.value = Ruler.format(rule);
el.hidden = false;
const i = Math.max(0, collectRules().indexOf(rule));
inputs[i].insertAdjacentElement('afterend', el);
inputs[0].insertAdjacentElement('beforebegin', blankRuleElement.cloneNode());
}
const rect = el.getBoundingClientRect();
if (rect.bottom < 0 ||
rect.bottom > el.parentNode.offsetHeight)
el.scrollIntoView();
el.classList.add('highlight');
el.addEventListener('animationend', () => el.classList.remove('highlight'), {once: true});
el.focus();
}
function renderRules() {
const rules = UI._rules;
rules.addEventListener('input', checkRule);
rules.addEventListener('focusin', focusRule);
rules.addEventListener('paste', focusRule);
blankRuleElement =
setup.blankRuleElement =
setup.blankRuleElement || rules.firstElementChild.cloneNode();
for (const rule of uiCfg.hosts || []) {
const el = blankRuleElement.cloneNode();
el.value = typeof rule === 'string' ? rule : Ruler.format(rule);
rules.appendChild(el);
checkRule({target: el});
}
const search = UI._search;
search.oninput = () => {
setup.search = search.value;
const s = search.value.toLowerCase();
for (const el of rules.children)
el.hidden = s && !el.value.toLowerCase().includes(s);
};
search.value = setup.search || '';
if (search.value)
search.oninput();
}
function renderCustomScales() {
UI.scales.value = uiCfg.scales.join(' ').trim() || Config.DEFAULTS.scales.join(' ');
}
function renderAll() {
for (const el of $$('input[id], select[id], textarea[id]', root))
if (el.id in uiCfg)
el[el.type === 'checkbox' ? 'checked' : 'value'] = uiCfg[el.id];
for (const el of $$('input[type="range"]', root))
el.oninput();
for (const el of $$('a[href^="http"]', root))
Object.assign(el, {target: '_blank', rel: 'noreferrer noopener external'});
UI.delay.valueAsNumber = uiCfg.delay / 1000;
UI.scale.valueAsNumber = Math.round(clamp(uiCfg.scale - 1, 0, 1) * 100);
}
}
function setupClickedRule(event) {
let rule;
const el = event.target.closest('blockquote, code, pre');
if (el && !event.button && !eventModifiers(event) && (rule = Ruler.fromElement(el))) {
dropEvent(event);
setup({rule});
}
}
async function setupRuleInstaller(e) {
dropEvent(e);
const parent = this.parentElement;
parent.children._installLoading.hidden = false;
this.remove();
let rules;
try {
rules = extractRules(await Remoting.getDoc(this.href));
const selector = $create('select', {
size: 8,
style: 'width: 100%',
ondblclick: e => e.target !== selector && maybeSetup(e),
onkeyup: e => e.key === 'Enter' && maybeSetup(e),
});
selector.append(...rules.map(renderRule));
selector.selectedIndex = findMatchingRuleIndex();
parent.children._installLoading.remove();
parent.children._installHint.hidden = false;
parent.appendChild(selector);
requestAnimationFrame(() => {
const optY = selector.selectedOptions[0].offsetTop - selector.offsetTop;
selector.scrollTo(0, optY - selector.offsetHeight / 2);
selector.focus();
});
} catch (e) {
parent.textContent = 'Error loading rules: ' + (e.message || e);
}
function extractRules({doc}) {
// sort by name
return [...$$('#wiki-body tr', doc)]
.map(tr => [
tr.cells[0].textContent.trim(),
Ruler.fromElement(tr.cells[1]),
])
.filter(([name, r]) =>
name && r && (!r.d || hostname.includes(r.d)))
.sort(([a], [b]) =>
(a = a.toLowerCase()) < (b = b.toLowerCase()) ? -1 :
a > b ? 1 :
0);
}
function findMatchingRuleIndex() {
const dottedHost = `.${hostname}.`;
let maxCount = 0, maxIndex = 0, index = 0;
for (const [name, {d}] of rules) {
let count = !!(d && hostname.includes(d)) * 10;
for (const part of name.toLowerCase().split(/[^a-z\d.-]+/i))
count += dottedHost.includes(`.${part}.`) && part.length;
if (count > maxCount) {
maxCount = count;
maxIndex = index;
}
index++;
}
return maxIndex;
}
function renderRule([name, rule]) {
return $create('option', {
textContent: name,
title: Ruler.format(rule, {expand: true})
.replace(/^{|\s*}$/g, '')
.split('\n')
.slice(0, 12)
.map(renderTitleLine)
.filter(Boolean)
.join('\n'),
});
}
function renderTitleLine(line, i, arr) {
return (
// show ... on 10th line if there are more lines
i === 9 && arr.length > 10 ? '...' :
i > 10 ? '' :
// truncate to 100 chars
(line.length > 100 ? line.slice(0, 100) + '...' : line)
// strip the leading space
.replace(/^\s/, ''));
}
function maybeSetup(e) {
if (!eventModifiers(e))
setup({rule: rules[e.currentTarget.selectedIndex][1]});
}
}
function createConfigHtml() {
const MPIV_BASE_URL = 'https://github.com/tophf/mpiv/wiki/';
const scalesHint = 'Leave it empty and click Apply or OK to restore the default values.';
const trimLeft = s => s.trim().replace(/\n\s+/g, '\r');
return flattenHtml(`
<style>
:host {
all: initial !important;
position: fixed !important;
z-index: 2147483647 !important;
top: 20px !important;
right: 20px !important;
padding: 1.5em !important;
color: #000 !important;
background: #eee !important;
box-shadow: 5px 5px 25px 2px #000 !important;
width: 33em !important;
border: 1px solid black !important;
display: flex !important;
flex-direction: column !important;
}
main {
font: 12px/15px sans-serif;
}
table {
text-align:left;
}
ul {
max-height: calc(100vh - 200px);
margin: 0 0 15px 0;
padding: 0;
list-style: none;
}
li {
margin: 0;
padding: .25em 0;
}
li.options {
display: flex;
align-items: center;
justify-content: space-between;
}
li.row {
align-items: start;
flex-wrap: wrap;
}
li.row label {
display: flex;
flex-direction: row;
align-items: center;
}
li.row input {
margin-right: .25em;
}
li.stretch label {
flex: 1;
white-space: nowrap;
}
li.stretch label > span {
display: flex;
flex-direction: row;
flex: 1;
}
label {
display: inline-flex;
flex-direction: column;
}
label:not(:last-child) {
margin-right: 1em;
}
input, select {
min-height: 1.3em;
box-sizing: border-box;
}
input[type=checkbox] {
margin-left: 0;
}
input[type=number] {
width: 4em;
}
input:not([type=checkbox]) {
padding: 0 .25em;
}
input[type=range] {
flex: 1;
width: 100%;
margin: 0 .25em;
padding: 0;
filter: saturate(0);
opacity: .5;
}
u + input[type=range] {
max-width: 3em;
}
input[type=range]:hover {
filter: none;
opacity: 1;
}
input[type=color] {
position: absolute;
width: calc(1.5em + 2px);
opacity: 0;
cursor: pointer;
}
u {
position: relative;
flex: 0 0 1.5em;
height: 1.5em;
border: 1px solid #888;
pointer-events: none;
color: #888;
background-image:
linear-gradient(45deg, currentColor 25%, transparent 25%, transparent 75%, currentColor 75%),
linear-gradient(45deg, currentColor 25%, transparent 25%, transparent 75%, currentColor 75%);
background-size: .5em .5em;
background-position: 0 0, .25em .25em;
}
u::after {
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
content: "";
background-color: var(--color);
}
.range-edit {
position: absolute;
box-shadow: 0 0.25em 1em #000;
z-index: 99;
}
textarea {
resize: vertical;
margin: 1px 0;
font: 11px/1.25 Consolas, monospace;
}
:invalid {
background-color: #f002;
border-color: #800;
}
code {
font-weight: bold;
}
a {
text-decoration: none;
color: LinkText;
}
a:hover {
text-decoration: underline;
}
button {
padding: .2em 1em;
margin: 0 1em;
}
kbd {
padding: 1px 6px;
font-weight: bold;
font-family: Consolas, monospace;
border: 1px solid #888;
border-radius: 3px;
box-shadow: inset 1px 1px 5px #8888, .25px .5px 2px #0008;
}
.column {
display: flex;
flex-direction: column;
}
.highlight {
animation: 2s fade-in cubic-bezier(0, .75, .25, 1);
animation-fill-mode: both;
}
#_rules > * {
word-break: break-all;
}
#_rules > :not(:focus) {
overflow: hidden; /* prevents wrapping in FF */
}
.invalid-domain {
opacity: .5;
}
.matching-domain {
border-color: #56b8ff;
background: #d7eaff;
}
#_x {
position: absolute;
top: 0;
right: 0;
padding: 4px 8px;
cursor: pointer;
user-select: none;
}
#_x:hover {
background-color: #8884;
}
#_cssApp {
color: seagreen;
}
#_exportNotification {
color: green;
font-weight: bold;
position: absolute;
left: 0;
right: 0;
bottom: 2px;
}
#_installHint {
color: green;
}
@keyframes fade-in {
from { background-color: deepskyblue }
to {}
}
@media (prefers-color-scheme: dark) {
:host {
color: #aaa !important;
background: #333 !important;
}
a {
color: deepskyblue;
}
button {
background: linear-gradient(-5deg, #333, #555);
border: 1px solid #000;
box-shadow: 0 2px 6px #181818;
border-radius: 3px;
cursor: pointer;
}
button:hover {
background: linear-gradient(-5deg, #333, #666);
}
textarea, input, select {
background: #111;
color: #BBB;
border: 1px solid #555;
}
input[type=checkbox] {
filter: invert(1);
}
input[type=range] {
filter: invert(1) saturate(0);
}
input[type=range]:hover {
filter: invert(1);
}
kbd {
border-color: #666;
}
@supports (-moz-appearance: none) {
input[type=checkbox],
input[type=range],
input[type=range]:hover {
filter: none;
}
}
.range-edit {
box-shadow: 0 .5em 1em .5em #000;
}
.matching-domain {
border-color: #0065af;
background: #032b58;
color: #ddd;
}
#_cssApp {
color: darkseagreen;
}
#_installHint {
color: greenyellow;
}
::-webkit-scrollbar {
width: 14px;
height: 14px;
background: #333;
}
::-webkit-scrollbar-button:single-button {
background: radial-gradient(circle at center, #555 40%, #333 40%)
}
::-webkit-scrollbar-track-piece {
background: #444;
border: 4px solid #333;
border-radius: 8px;
}
::-webkit-scrollbar-thumb {
border: 3px solid #333;
border-radius: 8px;
background: #666;
}
::-webkit-resizer {
background: #111 linear-gradient(-45deg, transparent 3px, #888 3px, #888 4px, transparent 4px, transparent 6px, #888 6px, #888 7px, transparent 7px) no-repeat;
border: 2px solid transparent;
}
}
</style>
<style id="_css">${cfg._getCss()}</style>
<main id="${PREFIX}setup">
<div id=_x>x</div>
<ul class=column>
<details style="margin: -1em 0 0">
<summary style="cursor:pointer; color:LinkText"><b>Click to view help & hotkeys</b></summary>
<table>
<tr><th>Activate</th><td>move mouse cursor over thumbnail</td></tr>
<tr><th>Deactivate</th><td>move cursor off thumbnail, or click, or zoom out fully</td></tr>
<tr><th>Prevent/freeze</th><td>hold down <kbd>Shift</kbd> while entering/leaving thumbnail</td></tr>
<tr><th>Force-activate<br>(for small pics)</th>
<td>hold <kbd>Ctrl</kbd> while entering image element</td></tr>
<tr><td> </td></tr>
<tr><th>Start zooming</th>
<td>configurable: automatic or via right-click / <kbd>Shift</kbd> while popup is visible</td></tr>
<tr><th>Zoom</th><td>mouse wheel</td></tr>
<tr><th>Rotate</th><td><kbd>L</kbd> <kbd>r</kbd> keys (left or right)</td></tr>
<tr><th>Flip/mirror</th><td><kbd>h</kbd> <kbd>v</kbd> keys (horizontally or vertically)</td></tr>
<tr><th>Previous/next<br>in album</th>
<td>mouse wheel, <kbd>j</kbd> <kbd>k</kbd> or <kbd>←</kbd> <kbd>→</kbd> keys</td></tr>
<tr><td> </td></tr>
</table>
<table>
<tr><th>Antialiasing on/off</th><td><kbd>a</kbd></td><td rowspan=4>key while popup is visible</td></tr>
<tr><th>Download</th><td><kbd>d</kbd></td></tr>
<tr><th>Mute/unmute</th><td><kbd>m</kbd></td></tr>
<tr><th>Open in tab</th><td><kbd>t</kbd></td></tr>
</table>
</details>
<li class="options stretch">
<label>Popup shows on
<select id=start>
<option value=context>Right-click / ≡ / Ctrl
<option value=contextMK>Right-click / ≡
<option value=contextM>Right-click
<option value=contextK title="≡ is the Menu key (near the right Ctrl)">≡ key
<option value=ctrl>Ctrl
<option value=auto>automatically
</select>
</label>
<label>after, sec<input id=delay type=number min=0.05 max=10 step=0.05 title=seconds></label>
<label title="(if the full version of the hovered image is ...% larger)">
if larger, %<input id=scale type=number min=0 max=100 step=1>
</label>
<label>Zoom activates on
<select id=zoom>
<option value=context>Right click / Shift
<option value=wheel>Wheel up / Shift
<option value=shift>Shift
<option value=auto>automatically
</select>
</label>
<label>...and zooms to
<select id=fit>
<option value=all>fit to window
<option value=large>fit if larger
<option value=no>100%
<option value="" title="Use custom scale factors">custom
</select>
</label>
</li>
<li class=options>
<label>Zoom step, %<input id=zoomStep type=number min=100 max=400 step=1>
</label>
<label>When fully zoomed out:
<select id=zoomOut>
<option value=stay>stay in zoom mode
<option value=auto>stay if still hovered
<option value=unzoom>undo zoom mode
<option value=close>close popup
</select>
</label>
<label style="flex: 1" title="${trimLeft(`
Scale factors to use when “zooms to” selector is set to “custom”.
0 = fit to window,
0! = same as 0 but also removes smaller values,
* after a value marks the default zoom factor, for example: 1*
The popup won't shrink below the image's natural size or window size for bigger mages.
${scalesHint}
`)}">Custom scale factors:
<input id=scales placeholder="${scalesHint}">
</label>
</li>
<li class="options row">
<div>
<label title="...or try to keep the original link/thumbnail unobscured by the popup">
<input type=checkbox id=center>Centered*</label>
<label title="Provides smoother experience but increases network traffic">
<input type=checkbox id=preload>Preload on hover*</label>
<label><input type=checkbox id=imgtab>Run in image tabs</label>
</div>
<div>
<label><input type=checkbox id=mute>Mute videos</label>
<label title="Disable only if you spoof the HTTP headers yourself">
<input type=checkbox id=xhr>Spoof hotlinking*</label>
<label title="Causes slowdowns so don't enable unless you explicitly use it in your custom CSS">
<input type=checkbox id=globalStatus>Set status on <html>*</label>
</div>
<div>
<label title="...or show a partial image while still loading">
<input type=checkbox id=waitLoad>Show when fully loaded*</label>
<label><input type=checkbox id=uiFadein>Fade-in transition</label>
<label><input type=checkbox id=uiFadeinGallery>Fade-in transition in gallery</label>
</div>
<label><input type=checkbox id=startAltShown>
Show a switch for 'auto-start' mode in userscript manager menu</label>
</li>
<li class="options stretch">
<label>Background
<span>
<input id=uiBackgroundColor type=color><u></u>
<input id=uiBackgroundOpacity type=range min=0 max=100 step=1 data-title="Opacity: $%">
</span>
</label>
<label>Border color, opacity, size
<span>
<input id=uiBorderColor type=color><u></u>
<input id=uiBorderOpacity type=range min=0 max=100 step=1 data-title="Opacity: $%">
<input id=uiBorder type=range min=0 max=20 step=1 data-title="Border size: $px">
</span>
</label>
<label>Shadow color, opacity, size
<span>
<input id=uiShadowColor type=color><u></u>
<input id=uiShadowOpacity type=range min=0 max=100 step=1 data-title="Opacity: $%">
<input id=uiShadow type=range min=0 max=100 step=1 data-title="
${'Shadow blur radius: $px\n"0" disables the shadow.'}">
</span>
</label>
<label>Padding
<span><input id=uiPadding type=range min=0 max=100 step=1 data-title="Padding: $px"></span>
</label>
<label>Margin
<span><input id=uiMargin type=range min=0 max=100 step=1 data-title="Margin: $px"></span>
</label>
</li>
<li>
<a href="${MPIV_BASE_URL}Custom-CSS" target="_blank">Custom CSS:</a>
e.g. <b>#mpiv-popup { animation: none !important }</b>
<a tabindex=0 id=_reveal style="float: right"
title="You can copy parts of it to override them in your custom CSS">
View the built-in CSS</a>
<div class=column>
<textarea id=css spellcheck=false></textarea>
<textarea id=_cssApp spellcheck=false hidden readonly rows=30></textarea>
</div>
</li>
<li style="display: flex; justify-content: space-between;">
<div><a href="${MPIV_BASE_URL}Custom-host-rules" target="_blank">Custom host rules:</a></div>
<div style="white-space: nowrap">
To disable, put any symbol except <code>a..z 0..9 - .</code><br>
in "d" value, for example <code>"d": "!foo.com"</code>
</div>
<div>
<input id=_search type=search placeholder=Search style="width: 10em; margin-left: 1em">
</div>
</li>
<li style="margin-left: -3px; margin-right: -3px; overflow-y: auto; padding-left: 3px; padding-right: 3px;">
<div id=_rules class=column>
<textarea rows=1 spellcheck=false></textarea>
</div>
</li>
<li>
<div hidden id=_installLoading>Loading...</div>
<div hidden id=_installHint>Double-click the rule (or select and press Enter) to add it
. Click <code>Apply</code> or <code>OK</code> to confirm.</div>
<a href="${MPIV_BASE_URL}Rules" id=_install target="_blank">Install rule from repository...</a>
</li>
</ul>
<div style="text-align:center">
<button id=_ok accesskey=s>OK</button>
<button id=_apply accesskey=a>Apply</button>
<button id=_import style="margin-right: 0">Import</button>
<button id=_export style="margin-left: 0">Export</button>
<button id=_cancel>Cancel</button>
<div id=_exportNotification hidden>Copied to clipboard.</div>
</div>
</main>`);
}
function createGlobalStyle() {
App.globalStyle = /*language=CSS*/ (String.raw`
#\mpiv-bar {
position: fixed;
z-index: 2147483647;
top: 0;
left: 0;
right: 0;
opacity: 0;
transition: opacity 1s ease .25s;
text-align: center;
font-family: sans-serif;
font-size: 15px;
font-weight: bold;
background: #0005;
color: white;
padding: 4px 10px;
text-shadow: .5px .5px 2px #000;
}
#\mpiv-bar.\mpiv-show,
#\mpiv-bar[data-force] {
opacity: 1;
}
#\mpiv-bar[data-zoom]::after {
content: " (" attr(data-zoom) ")";
opacity: .8;
}
#\mpiv-popup.\mpiv-show {
display: inline;
}
#\mpiv-popup {
display: none;
cursor: none;
${cfg.uiFadein ? String.raw`
animation: .2s \mpiv-fadein both;
transition: box-shadow .25s, background-color .25s;
` : ''}
${App.popupStyleBase = `
border: none;
box-sizing: border-box;
background-size: cover;
position: fixed;
z-index: 2147483647;
padding: 0;
margin: 0;
top: 0;
left: 0;
width: auto;
height: auto;
transform-origin: center;
max-width: none;
max-height: none;
`}
}
#\mpiv-popup.\mpiv-show {
${cfg.uiBorder ? `border: ${cfg.uiBorder}px solid ${Util.color('Border')};` : ''}
${cfg.uiPadding ? `padding: ${cfg.uiPadding}px;` : ''}
${cfg.uiMargin ? `margin: ${cfg.uiMargin}px;` : ''}
box-shadow: ${cfg.uiShadow ? `2px 4px ${cfg.uiShadow}px 4px transparent` : 'none'};
}
#\mpiv-popup.\mpiv-show[loaded] {
background-color: ${Util.color('Background')};
${cfg.uiShadow ? `box-shadow: 2px 4px ${cfg.uiShadow}px 4px ${Util.color('Shadow')};` : ''}
}
#\mpiv-popup[data-gallery-flip] {
animation: none;
transition: none;
}
#\mpiv-popup[data-no-aa],
#\mpiv-popup.\mpiv-zoom-max {
image-rendering: pixelated;
}
#\mpiv-setup {
}
@keyframes \mpiv-fadein {
from {
opacity: 0;
border-color: transparent;
}
to {
opacity: 1;
}
}
` + (cfg.globalStatus ? String.raw`
:root.\mpiv-loading:not(.\mpiv-preloading) *:hover {
cursor: progress !important;
}
:root.\mpiv-edge #\mpiv-popup {
cursor: default;
}
:root.\mpiv-error *:hover {
cursor: not-allowed !important;
}
:root.\mpiv-ready *:hover,
:root.\mpiv-large *:hover {
cursor: zoom-in !important;
}
:root.\mpiv-shift *:hover {
cursor: default !important;
}
` : String.raw`
[\mpiv-status~="loading"]:not([\mpiv-status~="preloading"]):hover {
cursor: progress;
}
[\mpiv-status~="edge"]:hover {
cursor: default;
}
[\mpiv-status~="error"]:hover {
cursor: not-allowed;
}
[\mpiv-status~="ready"]:hover,
[\mpiv-status~="large"]:hover {
cursor: zoom-in;
}
[\mpiv-status~="shift"]:hover {
cursor: default;
}
`)).replace(/\\mpiv-status/g, STATUS_ATTR).replace(/\\mpiv-/g, PREFIX);
App.popupStyleBase = App.popupStyleBase.replace(/;/g, '!important;');
return App.globalStyle;
}
//#region Global utilities
const clamp = (v, min, max) =>
v < min ? min : v > max ? max : v;
const compareNumbers = (a, b) =>
a - b;
const flattenHtml = str =>
str.trim().replace(/\n\s*/g, '');
const dropEvent = e =>
(e.preventDefault(), e.stopPropagation());
const ensureArray = v =>
Array.isArray(v) ? v : [v];
/** @param {KeyboardEvent} e */
const eventModifiers = e =>
(e.altKey ? '!' : '') +
(e.ctrlKey ? '^' : '') +
(e.metaKey ? '#' : '') +
(e.shiftKey ? '+' : '');
const isFunction = val => typeof val === 'function';
const now = performance.now.bind(performance);
const sumProps = (...props) => {
let sum = 0;
for (const p of props)
sum += parseFloat(p) || 0;
return sum;
};
const tryCatch = function (fn, ...args) {
try {
return fn.apply(this, args);
} catch (e) {}
};
const $ = (sel, node = doc) =>
node.querySelector(sel) || false;
const $$ = (sel, node = doc) =>
node.querySelectorAll(sel);
const $create = (tag, props) =>
Object.assign(doc.createElement(tag), props);
const $css = (el, props) =>
Object.entries(props).forEach(([k, v]) =>
el.style.setProperty(k, v, 'important'));
const $parseHtml = str =>
new DOMParser().parseFromString(str, 'text/html');
const $many = (q, doc) => {
for (const selector of ensureArray(q)) {
const el = selector && $(selector, doc);
if (el)
return el;
}
};
const $prop = (sel, prop, node = doc) =>
(node = $(sel, node)) && node[prop] || '';
const $propUp = (node, prop) =>
(node = node.closest(`[${prop}]`)) &&
(prop.startsWith('data-') ? node.getAttribute(prop) : node[prop]) ||
'';
const $remove = node =>
node && node.remove();
//#endregion
//#region Init
nonce = ($('script[nonce]') || {}).nonce || '';
Config.load({save: true}).then(res => {
cfg = res;
if (Menu) Menu.register();
if (doc.body) App.checkImageTab();
else addEventListener('DOMContentLoaded', App.checkImageTab, {once: true});
addEventListener('mouseover', Events.onMouseOver, true);
addEventListener('contextmenu', Events.onContext, true);
addEventListener('keydown', Events.onKeyDown, true);
if (['greasyfork.org', 'github.com'].includes(hostname))
addEventListener('click', setupClickedRule, true);
addEventListener('message', App.onMessage, true);
});
//#endregion
