// ==UserScript==
// @name Mouseover Popup Image Viewer
// @namespace https://github.com/tophf
// @description Shows images and videos behind links and thumbnails.
// @include http*
// @connect *
// allow rule installer in config dialog https://w9p.co/userscripts/mpiv/more_host_rules.html
// @connect w9p.co
// @grant GM_getValue
// @grant GM_setValue
// @grant GM_xmlhttpRequest
// @grant GM_openInTab
// @grant GM_registerMenuCommand
// @version 1.1.1
// @author tophf
// @original-version 2017.9.29
// @original-author kuehlschrank
// @supportURL https://github.com/tophf/mpiv/issues
// @homepage https://w9p.co/userscripts/mpiv/
// @icon https://w9p.co/userscripts/mpiv/icon.png
// @downloadURL none
// ==/UserScript==
'use strict';
const doc = document;
const hostname = location.hostname;
const dotDomain = '.' + hostname;
const installableSites = ['greasyfork.org', 'w9p.co', 'github.com'];
const isGoogleDomain = /(^|\.)google(\.com?)?(\.\w+)?$/.test(hostname);
const isGoogleImages = isGoogleDomain && /[&?]tbm=isch(&|$)/.test(location.search);
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';
const PASSIVE = {passive: true};
// 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]/;
/** @type mpiv.Config */
let cfg;
/** @type mpiv.AppInfo */
let ai = {rule: {}};
/** @type Element */
let elConfig;
const clamp = (v, min, max) => v < min ? min : v > max ? max : v;
const compareNumbers = (a, b) => a - b;
const dropEvent = e => (e.preventDefault(), e.stopPropagation());
const ensureArray = v => Array.isArray(v) ? v : [v];
const now = () => performance.now();
const safeIncludes = (a, b) => typeof a === 'string' && a.includes(b);
const sumProps = (...props) => props.reduce((sum, v) => sum + (parseFloat(v) || 0), 0);
const tryCatch = function (fn, ...args) {
try {
return fn.apply(this, args);
} catch (e) {}
};
const $ = (s, n = doc) => n.querySelector(s) || 0;
const $$ = (s, n = doc) => n.querySelectorAll(s);
const $create = (tag, props) => Object.assign(document.createElement(tag), props);
const $many = (q, doc) => q && ensureArray(q).reduce((el, sel) => el || $(sel, doc), null);
const $prop = (s, prop, n = doc) => (n.querySelector(s) || 0)[prop] || '';
const $propUp = (n, prop) =>
(n = n.closest(`[${prop}]`)) && (prop.startsWith('data-') ? n.getAttribute(prop) : n[prop]) || '';
const $remove = el => el && el.remove();
class App {
static init() {
cfg = new Config({save: true});
App.isImageTab = doc.images.length === 1 &&
doc.images[0].parentNode === doc.body &&
!doc.links.length;
App.enabled = cfg.imgtab || !App.isImageTab;
GM_registerMenuCommand('MPIV: configure', setup);
doc.addEventListener('mouseover', Events.onMouseOver, PASSIVE);
if (isGoogleDomain && doc.getElementById('main'))
doc.getElementById('main').addEventListener('mouseover', Events.onMouseOver, PASSIVE);
if (installableSites.includes(hostname)) {
doc.addEventListener('click', e => {
if (hostname === 'github.com' && !location.pathname.startsWith('/tophf/mpiv/')) return;
const el = e.target.closest('blockquote, code, pre');
const text = el && el.textContent.trim();
let rule;
if (text && e.button === 0 &&
/^\s*{\s*"\w+"\s*:[\s\S]+}\s*$/.test(text) &&
(rule = tryCatch(JSON.parse, text))) {
setup({rule});
dropEvent(e);
}
});
}
window.addEventListener('message', App.onMessageParent);
}
/** @param {MessageEvent} e */
static onMessageParent(e) {
if (typeof e.data === 'string' && e.data === MSG.getViewSize) {
const [w, h] = Util.getFrameSize(e.source, window);
e.source.postMessage(`${MSG.viewSize}:${w}:${h}`, '*');
}
}
/** @param {MessageEvent} e */
static onMessageChild(e) {
if (e.source === parent && typeof e.data === 'string' && e.data.startsWith(MSG.viewSize)) {
window.removeEventListener('message', App.onMessageChild);
const [w, h] = e.data.split(':').slice(1).map(parseFloat);
if (w && h) ai.view = {w, h};
}
}
static activate(info, event) {
const {match, node, rule, url} = info;
const force = event.ctrlKey;
const scale = !force && Util.findScale(url, node.parentNode);
if (elConfig) console.info(Object.assign({node, rule, url, match}, scale && {scale}));
if (scale && scale < cfg.scale)
return;
if (ai.node)
App.deactivate();
ai = info;
ai.zooming = cfg.css.includes(`${PREFIX}zooming`);
Util.suppressHoverTooltip();
App.updateViewSize();
App.setListeners();
App.updateMouse(event);
if (force) {
Popup.start();
} else if (cfg.start === 'auto' && !rule.manual) {
Popup.schedule();
} else {
App.setStatus('ready');
}
}
static checkProgress({start} = {}) {
const p = ai.popup;
if (p) {
ai.nheight = p.naturalHeight || p.videoHeight || ai.popupLoaded && 800;
ai.nwidth = p.naturalWidth || p.videoWidth || ai.popupLoaded && 1200;
if (ai.nheight) {
App.updateProgress();
return;
}
}
if (start)
ai.timerProgress = setInterval(App.checkProgress, 150);
}
static deactivate({wait} = {}) {
App.stopTimers();
if (ai.req)
tryCatch.call(ai.req, ai.req.abort);
if (ai.tooltip)
ai.tooltip.node.title = ai.tooltip.text;
App.setStatus(false);
App.setBar(false);
App.setListeners(false);
Popup.destroy();
if (wait) {
App.enabled = false;
setTimeout(App.enable, 200);
}
ai = {rule: {}};
}
static enable() {
App.enabled = true;
}
static handleError(e, rule = ai.rule) {
const fe = Util.formatError(e, rule);
if (!rule || !ai.urls || !ai.urls.length)
console.warn(fe.consoleFormat, ...fe.consoleArgs);
if (cfg.xhr && !ai.xhr && isGoogleImages) {
ai.xhr = true;
Popup.startSingle();
} else if (ai.urls && ai.urls.length) {
ai.url = ai.urls.shift();
if (ai.url) {
App.stopTimers();
Popup.startSingle();
} else {
App.deactivate();
}
} else if (ai.node) {
App.setStatus('error');
App.setBar(fe.message, 'error');
}
}
static setBar(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();
App.updateTitle();
App.updateBar();
b.innerHTML = label;
if (!b.parentNode) {
doc.body.appendChild(b);
Util.forceLayout(b);
}
b.className = `${PREFIX}show ${PREFIX}${className}`;
}
static setListeners(enable = true) {
const onOff = enable ? doc.addEventListener : doc.removeEventListener;
const passive = enable ? PASSIVE : undefined;
onOff.call(doc, 'mousemove', Events.onMouseMove, passive);
onOff.call(doc, 'mouseout', Events.onMouseOut, passive);
onOff.call(doc, 'mousedown', Events.onMouseDown, passive);
onOff.call(doc, 'contextmenu', Events.onContext);
onOff.call(doc, 'keydown', Events.onKeyDown);
onOff.call(doc, 'keyup', Events.onKeyUp);
onOff.call(doc, WHEEL_EVENT, Events.onMouseScroll, enable ? {passive: false} : undefined);
}
static setStatus(status) {
if (!status && !cfg.globalStatus) {
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);
}
static setStatusLoading(force) {
if (!force) {
clearTimeout(ai.timerStatus);
ai.timerStatus = setTimeout(App.setStatusLoading, SETTLE_TIME, true);
} else if (!ai.popupLoaded) {
App.setStatus('+loading');
}
}
static stopTimers() {
clearTimeout(ai.timer);
clearTimeout(ai.timerBar);
clearTimeout(ai.timerStatus);
clearInterval(ai.timerProgress);
}
static updateBar() {
clearTimeout(ai.timerBar);
ai.bar.style.removeProperty('opacity');
ai.timerBar = setTimeout(() => ai.bar && ai.bar.style.setProperty('opacity', 0), 3000);
}
static updateCaption(text, doc = document) {
switch (typeof ai.rule.c) {
case 'function':
// not specifying as a parameter's default value to get the html only when needed
if (text === undefined)
text = doc.documentElement.outerHTML;
ai.caption = ai.rule.c(text, doc, ai.node, ai.rule);
break;
case 'string': {
const el = $many(ai.rule.c, doc);
ai.caption = !el ? '' :
el.getAttribute('content') ||
el.getAttribute('title') ||
el.textContent;
break;
}
default:
ai.caption = (ai.tooltip || 0).text || ai.node.alt || $propUp(ai.node, 'title') ||
Remoting.getFileName(ai.node.src || $propUp(ai.node, 'href'));
}
}
static updateFileInfo() {
const gi = ai.gItems;
if (gi) {
const item = gi[ai.gIndex];
let c = gi.length > 1 ? '[' + (ai.gIndex + 1) + '/' + gi.length + '] ' : '';
if (ai.gIndex === 0 && gi.title && (!item.desc || !safeIncludes(item.desc, gi.title)))
c += gi.title + (item.desc ? ' - ' : '');
if (item.desc)
c += item.desc;
App.setBar(c.trim() || ' ', 'gallery', true);
} else if ('caption' in ai) {
App.setBar(ai.caption, 'caption');
} else if (ai.tooltip) {
App.setBar(ai.tooltip.text, 'tooltip');
} else {
App.setBar(' ', 'info');
}
}
static updateMouse(e) {
const cx = ai.clientX = e.clientX;
const cy = ai.clientY = e.clientY;
const r = ai.rect;
if (r)
ai.isOverRect =
cx > r.left - 2 && cx < r.right + 2 &&
cy > r.top - 2 && cy < r.bottom + 2;
}
static updateProgress() {
App.stopTimers();
let wait;
if (ai.preloadStart && (wait = ai.preloadStart + cfg.delay - now()) > 0) {
ai.timer = setTimeout(App.checkProgress, wait);
return;
}
if ((ai.urls || 0).length && Math.max(ai.nheight, ai.nwidth) < 130) {
App.handleError({type: 'error'});
return;
}
App.setStatus(false);
Util.forceLayout(ai.popup);
ai.popup.className = `${PREFIX}show`;
App.updateSpacing();
App.updateScales();
if (!(cfg.imgtab && App.isImageTab || cfg.zoom === 'auto') ||
App.zoomToggle({keepScale: true}) === undefined)
Popup.move();
App.updateTitle();
if (!ai.bar)
App.updateFileInfo();
ai.large = ai.nwidth > ai.popup.clientWidth + ai.mbw ||
ai.nheight > ai.popup.clientHeight + ai.mbh;
if (ai.large)
App.setStatus('large');
}
static updateScales() {
const fit = Math.min(
(ai.view.w - ai.mbw - ai.outline * 2) / ai.nwidth,
(ai.view.h - ai.mbh - ai.outline * 2) / ai.nheight);
const isCustom = !cfg.fit;
const src = (isCustom && cfg.scales.length ? cfg : Config.DEFAULTS).scales;
const dst = isCustom ? [] : [fit];
let cutoff = Math.min(1, fit);
ai.scaleZoom = cfg.fit === 'all' && fit || cfg.fit === 'no' && 1 || cutoff;
ai.scale = cfg.zoom === 'auto' ? ai.scaleZoom : cutoff;
for (const scale of src) {
const val = parseFloat(scale) || fit;
dst.push(val);
if (isCustom && typeof scale === 'string') {
if (scale.includes('!')) cutoff = val;
if (scale.includes('*')) ai.scaleZoom = val;
}
}
ai.scales = dst.sort(compareNumbers).filter(Util.scaleCut, cutoff);
}
static updateSpacing() {
const s = getComputedStyle(ai.popup);
ai.outline = sumProps(s.outlineOffset, s.outlineWidth);
ai.pw = sumProps(s.paddingLeft, s.paddingRight);
ai.ph = sumProps(s.paddingTop, s.paddingBottom);
ai.mbw = sumProps(s.marginLeft, s.marginRight, s.borderLeftWidth, s.borderRightWidth);
ai.mbh = sumProps(s.marginTop, s.marginBottom, s.borderTopWidth, s.borderBottomWidth);
}
static updateStyles() {
let cssApp = App.globalStyle;
if (!cssApp) {
cssApp = 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 {
opacity: 1;
}
#\mpiv-bar[data-zoom]::after {
content: " (" attr(data-zoom) ")";
opacity: .8;
}
#\mpiv-popup.\mpiv-show {
display: inline;
}
#\mpiv-popup {
display: none;
border: none !important;
box-sizing: content-box !important;
position: fixed !important;
z-index: 2147483647 !important;
margin: 0 !important;
top: 0 !important;
left: 0 !important;
width: auto !important;
height: auto !important;
transform-origin: top left !important;
max-width: none !important;
max-height: none !important;
cursor: none;
animation: .2s \mpiv-fadein both;
}
#\mpiv-popup.\mpiv-show {
box-shadow: 6px 6px 30px transparent;
transition: box-shadow .25s, background-color .25s;
}
#\mpiv-popup.\mpiv-show[loaded] {
box-shadow: 6px 6px 30px black;
background-color: white;
}
#\mpiv-popup.\mpiv-zoom-max {
image-rendering: pixelated;
}
@keyframes \mpiv-fadein {
from { opacity: 0; }
to { opacity: 1; }
}
` + (cfg.globalStatus ? String.raw`
.\mpiv-loading:not(.\mpiv-preloading) * {
cursor: wait !important;
}
.\mpiv-edge #\mpiv-popup {
cursor: default;
}
.\mpiv-error * {
cursor: not-allowed !important;
}
.\mpiv-ready *, .\mpiv-large * {
cursor: zoom-in !important;
}
.\mpiv-shift * {
cursor: default !important;
}
` : String.raw`
[\mpiv-status~="loading"]:not([\mpiv-status~="preloading"]) {
cursor: wait !important;
}
#\mpiv-popup[\mpiv-status~="edge"] {
cursor: default !important;
}
[\mpiv-status~="error"] {
cursor: not-allowed !important;
}
[\mpiv-status~="ready"],
[\mpiv-status~="large"] {
cursor: zoom-in !important;
}
[\mpiv-status~="shift"] {
cursor: default !important;
}
`)).replace(/\\mpiv-status/g, STATUS_ATTR).replace(/\\mpiv-/g, PREFIX);
}
const {css} = cfg;
Util.addStyle('global', cssApp + (css.includes('{') ? css : `#${PREFIX}-popup {${css}}`));
Util.addStyle('rule', ai.rule.css || '');
}
static updateTitle() {
if (!ai.bar) return;
const zoom = ai.nwidth && `${
Math.round(ai.scale * 100)
}%, ${
ai.nwidth
} x ${
ai.nheight
} px, ${
Math.round(100 * (ai.nwidth * ai.nheight / 1e6)) / 100
} MP`.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;
App.updateBar();
}
}
static updateViewSize() {
const view = doc.compatMode === 'BackCompat' ? doc.body : doc.documentElement;
ai.view = {
w: view.clientWidth,
h: view.clientHeight,
};
if (window === top) return;
const [w, h] = tryCatch(Util.getFrameSize, window, parent) || 0;
if (w && h) {
ai.view = {w, h};
} else {
window.addEventListener('message', App.onMessageChild);
parent.postMessage(MSG.getViewSize, '*');
}
}
static zoomToggle({keepScale} = {}) {
const p = ai.popup;
if (!p || !ai.scales || ai.scales.length < 2)
return;
ai.zoom = !ai.zoom;
ai.zoomed = true;
ai.scale = ai.zoom && Util.scaleNextToZoom(keepScale) || ai.scales[0];
if (ai.zooming)
p.classList.add(`${PREFIX}zooming`);
Popup.move();
App.updateTitle();
App.setStatus(ai.zoom ? 'zoom' : false);
if (!ai.zoom)
App.updateFileInfo();
return ai.zoom;
}
static zoomInOut(dir) {
const i = Util.findScaleIndex(dir);
const n = ai.scales.length;
if (i >= 0 && i < n)
ai.scale = ai.scales[i];
if (i <= 0 && cfg.zoomOut !== 'stay') {
if ((cfg.zoomOut === 'close' || !ai.isOverRect) && (!ai.gItems || ai.gItems.length < 2)) {
App.deactivate({wait: true});
return;
}
ai.zoom = cfg.zoomOut === 'auto';
ai.zoomed = false;
App.updateFileInfo();
} 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();
App.updateTitle();
}
}
class Config {
constructor({data: c = GM_getValue('cfg'), save}) {
if (typeof c === 'string')
c = tryCatch(JSON.parse, c);
if (typeof c !== 'object' || !c)
c = {};
const {DEFAULTS} = Config;
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', JSON.stringify(c));
}
if (cfg && (
cfg.css !== c.css ||
cfg.globalStatus !== c.globalStatus
)) {
App.globalStyle = '';
}
if (!Array.isArray(c.scales)) c.scales = [];
c.scales = [...new Set(c.scales)].sort((a, b) => parseFloat(a) - parseFloat(b));
c.fit = ['all', 'large', 'no'].includes(c.fit) ? c.fit :
!c.scales.length || `${c.scales}` === `${Config.DEFAULTS.scales}` ? 'large' :
'';
Object.assign(this, c);
}
}
/** @type mpiv.Config */
Config.DEFAULTS = 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,
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',
version: 6,
xhr: true,
zoom: 'context',
zoomOut: 'auto',
});
class 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
*/
static init() {
const errors = new Map();
const customRules = (cfg.hosts || []).map(Ruler.parse, errors);
for (const rule of errors.keys())
App.handleError('Invalid custom host rule:', rule);
// 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,
},
dotDomain.endsWith('.deviantart.com') && {
e: '.dev-view-deviation img',
s: () => [
$('.dev-page-download').href,
$('.dev-content-full').src,
].filter(Boolean),
},
dotDomain.endsWith('.deviantart.com') && {
u: ',strp/',
s: '/\\/v1\\/.*//',
},
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,
},
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',
r: /imgres\?imgurl=([^&]+)/,
s: '$1',
},
isGoogleImages && {
e: '[data-tbnid] a',
s: (m, node, rule) => {
const id = $propUp(node, 'data-tbnid');
for (const {text} of $$('script', doc)) {
let i = text.indexOf(id);
if (i < 0) continue;
i = text.indexOf('[', i + id.length + 9) + 2;
const url = text.slice(i, text.indexOf('"', i + 1));
if (!url.startsWith('http')) continue;
rule.xhr = !url.startsWith(location.protocol);
return url;
}
},
},
dotDomain.endsWith('.instagram.com') && {
e: [
'a[href*="/p/"]',
'a[role="button"][data-reactid*="scontent-"]',
'article div',
'article div div img',
],
s: (m, node, rule) => {
const {a = false, data = false, src} = rule._getData(node);
rule.q = data.is_video && !data.video_url && 'meta[property="og:video"]';
rule.g = a && $('[class*="Carousel"]', a) && rule._g;
rule.follow = !data && !rule.g;
return (
!a && !src ? false :
!data || rule.q || rule.g ? `${src || a.href}${rule.g ? '?__a=1' : ''}` :
data.video_url || data.display_url);
},
c: (html, doc, node, rule) => {
const {data, img} = rule._getData(node);
return tryCatch(rule._getCaption, data) || img && img.alt || '';
},
anonymous: true,
follow: true,
_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,
desc: e.node.accessibility_caption || '',
}));
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,
_getData(node) {
if (location.pathname.startsWith('/p/')) {
const img = $('img[srcset], video', node.parentNode);
if (img && (img.currentSrc || parseFloat(img.sizes) > 900))
return {img, src: (img.srcset || img.currentSrc).split(',').pop().split(' ')[0]};
}
const n = node.closest('a[href*="/p/"], article');
const a = n && (n.tagName === 'A' ? n : $('a[href*="/p/"]', n));
const data = a && tryCatch(this._getEdge, a.pathname.split('/')[2]);
return {a, data};
},
},
...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?[^&]+)/,
s: '$1',
follow: true,
},
{
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) =>
$('.zoom_trigger_mask', node.parentNode) ? '' :
m.input.replace(/~~60_\d+/, '~~60_57'),
},
{
u: [
'||fastpic.ru/big',
'||fastpic.ru/thumb',
],
r: /\/\/(?:i(\d+)\.)?([^/]+\/)(big|thumb|view)\/([^.]+?)\.(\w+)/,
s: (m, node, rule) => {
const a = node.closest('[href*="fastpic.ru"]');
const am = a && rule.r.exec(decodeURIComponent(a.href)) || [];
const p = a && am[4].split('/');
return `https://i${am[1] || m[1] || am[3] === 'view' && p[0]}.${m[2]}big/${
am[3] === 'big' ? am[4] : m[4]}.${am[5] || m[5]}?noht=1`;
},
xhr: () => 'https://fastpic.ru',
},
{
u: '||fastpic.ru/view/',
q: 'img[src*="/big/"]',
xhr: true,
},
{
u: '||facebook.com/',
r: /photo\.php|[^/]+\/photos\//,
s: (m, node) =>
node.id === 'fbPhotoImage' ? false :
/gradient\.png$/.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$=".webm"]',
],
},
{
u: [
'||googleusercontent.com/proxy',
'||googleusercontent.com/gadgets/proxy',
],
r: /\.com\/(proxy|gadgets\/proxy.+?(http.+?)&)/,
s: m => m[2] ? decodeURIComponent(m[2]) : m.input.replace(/w\d+-h\d+($|-p)/, 'w0-h0'),
},
{
u: [
'||googleusercontent.com/',
'||ggpht.com/',
],
s: (m, node) =>
m.input.includes('webcache.') ||
node.outerHTML.match(/favicons\?|\b(Ol Rf Ep|Ol Zb ag|Zb HPb|Zb Gtb|Rf Pg|ho PQc|Uk wi hE|go wi Wh|we D0b|Bea)\b/) ||
node.matches('.g-hovercard *, a[href*="profile_redirector"] > img') ?
'' :
m.input.replace(/\/s\d{2,}-[^/]+|\/w\d+-h\d+/, '/s0')
.replace(/=[-\w]+([&#].*|$)/, ''),
},
{
u: '||gravatar.com/',
r: /([a-z0-9]{32})/,
s: 'https://gravatar.com/avatar/$1?s=200',
},
{
u: '//gyazo.com/',
r: /\.com\/\w{32,}/,
q: 'meta[name="twitter:image"]',
xhr: true,
},
{
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$4',
},
{
u: '||imageshack.us/i/',
q: '#share-dl',
},
{
u: '||imageteam.org/img',
q: 'img[alt="image"]',
},
{
u: [
'||imagetwist.com/',
'||imageshimage.com/',
],
r: /(\/\/|^)[^/]+\/[a-z0-9]{8,}/,
q: 'img.pic',
xhr: true,
},
{
u: '||imageupper.com/i/',
q: '#img',
xhr: true,
},
{
u: '||imagevenue.com/img.php',
q: '#thepic',
},
{
u: '||imagezilla.net/show/',
q: '#photo',
xhr: true,
},
{
u: [
'||images-na.ssl-images-amazon.com/images/',
'||media-imdb.com/images/',
],
r: /images\/.+?\.jpg/,
s: '/V1\\.?_.+?\\.//g',
},
{
u: '||imgbox.com/',
r: /\.com\/([a-z0-9]+)$/i,
q: '#img',
xhr: hostname !== 'imgbox.com',
},
{
u: '||imgclick.net/',
r: /\.net\/(\w+)/,
q: 'img.pic',
xhr: true,
post: m => `op=view&id=${m[1]}&pre=1&submit=Continue%20to%20image...`,
},
{
u: [
'||imgflip.com/i/',
'||imgflip.com/gif/',
],
r: /\/(i|gif)\/([^/?#]+)/,
s: m => `https://i.imgflip.com/${m[2]}${m[1] === 'i' ? '.jpg' : '.mp4'}`,
},
{
u: [
'||imgur.com/a/',
'||imgur.com/gallery/',
'||imgur.com/t/',
],
g: async (text, doc, url, m, rule, cb) => {
// simplified extraction of JSON as it occupies only one line
if (!/(?:mergeConfig\('gallery',\s*|Imgur\.Album\.getInstance\()[\s\S]*?[,\s{"'](?:image|album)\s*:\s*({[^\r\n]+?}),?[\r\n]/.test(text))
return;
const info = JSON.parse(RegExp.$1);
let images = info.is_album ? info.album_images.images : [info];
if (info.num_images > images.length) {
const url = `https://imgur.com/ajaxalbums/getimages/${info.hash}/hit.json?all=true`;
images = JSON.parse((await Remoting.gmXhr(url)).responseText).data.images;
}
const items = [];
for (const img of images || []) {
const u = `https://i.imgur.com/${img.hash}`;
items.push({
url: img.ext === '.gif' && img.animated !== false ?
[`${u}.webm`, `${u}.mp4`, u] :
u + img.ext,
desc: [img.title, img.description].filter(Boolean).join(' - '),
});
}
if (images && info.is_album && !safeIncludes(items[0].desc, info.title))
items.title = info.title;
cb(items);
},
css: '.post > .hover { display:none!important; }',
},
{
u: '||imgur.com/',
r: /((?:[a-z]{2,}\.)?imgur\.com\/)((?:\w+,)+\w*)/,
s: 'gallery',
g: (text, doc, url, m) =>
m[2].split(',').map(id => ({
url: `https://i.${m[1]}${id}.jpg`,
})),
},
{
u: '||imgur.com/',
r: /([a-z]{2,}\.)?imgur\.com\/(r\/[a-z]+\/|[a-z0-9]+#)?([a-z0-9]{5,})($|\?|\.([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;
const id = m[3].replace(/(.{7})[bhm]$/, '$1');
const ext = m[5] ? m[5].replace(/gifv?/, 'webm') : 'jpg';
const u = `https://i.${(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('/')) + '/?__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)/,
q: text => text.match(/http:\/\/[a-z0-9]+\.radikal\.ru[a-z0-9/]+\.(jpg|gif|png)/i)[0],
},
{
u: '||tumblr.com',
r: /_500\.jpg/,
s: ['/_500/_1280/', ''],
},
{
u: '||twimg.com/',
r: /\/profile_images/i,
s: '/_(reasonably_small|normal|bigger|\\d+x\\d+)\\././g',
},
{
u: '||twimg.com/media/',
r: /.+?format=(jpe?g|png|gif)/i,
s: '$0&name=large',
},
{
u: '||twimg.com/1/proxy',
r: /t=([^&_]+)/i,
s: m => atob(m[1]).match(/http.+/),
},
{
u: '||pic.twitter.com/',
r: /\.com\/[a-z0-9]+/i,
q: text => text.match(/https?:\/\/twitter\.com\/[^/]+\/status\/\d+\/photo\/\d+/i)[0],
follow: true,
},
{
u: '||twitpic.com/',
r: /\.com(\/show\/[a-z]+)?\/([a-z0-9]+)($|#)/i,
s: 'https://twitpic.com/show/large/$2',
},
{
u: '||upix.me/files',
s: '/#//',
},
{
u: '||wiki',
r: /\/(thumb|images)\/.+\.(jpe?g|gif|png|svg)\/(revision\/)?/i,
s: '/\\/thumb(?=\\/)|' +
'\\/scale-to-width(-[a-z]+)?\\/[0-9]+|' +
'\\/revision\\/latest|\\/[^\\/]+$//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$2',
follow: true,
},
{
r: /^[^?]+?\.(bmp|jpe?g?|gif|mp4|png|svg|webm)($|\?)/i,
},
];
/** @type mpiv.HostRule[] */
Ruler.rules = [].concat(customRules, disablers, perDomain, main).filter(Boolean);
}
static format(rule, {expand} = {}) {
const s = JSON.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');
}
/** @returns mpiv.HostRule | Error | false | undefined */
static 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;
const compileTo = isBatchOp ? rule : {};
if (rule.r)
compileTo.r = new RegExp(rule.r, 'i');
if (RX_HAS_CODE.test(rule.s))
compileTo.s = Util.newFunction('m', 'node', 'rule', rule.s);
if (RX_HAS_CODE.test(rule.q))
compileTo.q = Util.newFunction('text', 'doc', 'node', 'rule', rule.q);
if (RX_HAS_CODE.test(rule.c))
compileTo.c = Util.newFunction('text', 'doc', 'node', 'rule', rule.c);
return rule;
} catch (e) {
if (!e.message.includes('unsafe-eval'))
if (isBatchOp) {
this.set(rule, e);
} else {
return e;
}
}
}
static runQ(text, doc, docUrl) {
let url;
if (typeof ai.rule.q === 'function') {
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 = $many(ai.rule.q, doc);
url = el && Remoting.findImageUrl(el, docUrl);
}
return url;
}
static runS(node, rule, m) {
let urls = [];
for (const s of ensureArray(rule.s))
urls.push(
typeof s === 'string' ? Util.maybeDecodeUrl(Ruler.substituteSingle(s, m)) :
typeof s === 'function' ? s(m, node, rule) :
s);
if (rule.q && urls.length > 1) {
console.warn('Rule discarded: "s" array is not allowed with "q"\n%o', rule);
return {skipRule: true};
}
if (Array.isArray(urls[0]))
urls = urls[0];
// `false` returned by "s" property means "skip this rule"
// any other falsy value (like say "") means "stop all rules"
return urls[0] === false ? {skipRule: true} : urls.map(Util.maybeDecodeUrl);
}
static substituteSingle(s, m) {
if (!m) return s;
if (s.startsWith('/') && !s.startsWith('//')) {
const mid = s.search(/[^\\]\//) + 1;
const end = s.lastIndexOf('/');
const re = new RegExp(s.slice(1, mid), s.slice(end + 1));
return m.input.replace(re, s.slice(mid + 1, end));
}
if (m.length && s.includes('$')) {
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;
}
}
const SimpleUrlMatcher = (() => {
// string-to-regexp escaped chars
const RX_ESCAPE = /[.+*?(){}[\]^$|]/g;
// rx for '^' symbol in simple url match
const RX_SEP = /[^\w%._-]/g;
const RXS_SEP = RX_SEP.source;
return match => {
const results = [];
for (const s of ensureArray(match)) {
const pinDomain = s.startsWith('||');
const pinStart = !pinDomain && s.startsWith('|');
const endSep = s.endsWith('^');
let fn;
let needle = s.slice(pinDomain * 2 + pinStart, -endSep || undefined);
if (needle.includes('^')) {
const plain = findLongestPart(needle);
const rx = new RegExp(
(pinStart ? '^' : '') +
(pinDomain ? '^(([^/:]+:)?//)?([^./]*\\.)*?' : '') +
needle.replace(RX_ESCAPE, '\\$&').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, this: needle});
}
return results.length > 1 ?
{fn: checkArray, this: results} :
results[0];
};
function checkArray(s) {
return this.some(checkArrayItem, s);
}
function checkArrayItem(item) {
return item.fn.call(item.this, this);
}
function equals(s) {
return s.startsWith(this) && (
s.length === this.length ||
s.length === this.length + 1 && endsWithSep(s));
}
function starts(s) {
return s.startsWith(this);
}
function ends(s) {
return s.endsWith(this) || (
s.length > this.length &&
s.indexOf(this, s.length - this.length - 1) >= 0 &&
endsWithSep(s));
}
function has(s) {
return s.includes(this);
}
function regexp(s) {
return s.includes(this[0]) && this[1].test(s);
}
function endsWithSep(s) {
RX_SEP.lastIndex = s.length - 1;
return RX_SEP.test(s);
}
function startsDomainPrescreen(url) {
return url.includes(this[0]) && startsDomain.call(this, url);
}
function startsDomain(url) {
const [p, gap, host] = url.split('/', 3);
if (gap || p && !p.endsWith(':'))
return;
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 += p.length + 2;
return url.lastIndexOf(needle, start) === start &&
(!endSep || start + needle.length === url.length);
}
function findLongestPart(s) {
const len = s.length;
let maxLen = 0;
let start;
for (let i = 0, j; i < len; i = j + 1) {
j = s.indexOf('^', i);
if (j < 0)
j = len;
if (j - i > maxLen) {
maxLen = j - i;
start = i;
}
}
return maxLen < len ? s.substr(start, maxLen) : s;
}
})();
class RuleMatcher {
/** @returns ?mpiv.RuleMatchInfo */
static findForLink(a) {
let url =
a.getAttribute('data-expanded-url') ||
a.getAttribute('data-full-url') ||
a.getAttribute('data-url') ||
a.href;
if (url.startsWith('data:'))
url = false;
else if (url.includes('//t.co/'))
url = 'http://' + a.textContent;
return RuleMatcher.find(url, a);
}
/** @returns ?mpiv.RuleMatchInfo */
static find(url, node, {noHtml, skipRule} = {}) {
const tn = node.tagName;
let m, html, urls;
for (const rule of Ruler.rules) {
const {e} = rule;
if (e && !node.matches(e) || rule === skipRule)
continue;
const {r, u} = rule;
if (r && !noHtml && rule.html && ('A,IMG,VIDEO'.includes(tn) || e))
m = r.exec(html || (html = node.outerHTML));
else if (r || u)
m = url && RuleMatcher.makeUrlMatch(url, node, rule, r, u);
else
m = url ? RuleMatcher.makeDummyMatch(url) : [];
if (!m ||
// 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
'IMG,VIDEO'.includes(tn) && !('s' in rule) && !skipRule)
continue;
if (rule.s === '')
return {};
const hasS = 's' in rule && rule.s !== 'gallery';
urls = hasS ? Ruler.runS(node, rule, m) : [m.input];
if (!urls.skipRule) {
const url = urls[0];
return !url ? {} :
hasS && !rule.q && RuleMatcher.isFollowableUrl(url, rule) ?
RuleMatcher.find(url, node, {skipRule: rule}) :
RuleMatcher.makeInfo(urls, node, rule, m);
}
}
}
static makeUrlMatch(url, node, rule, r, u) {
let m;
if (u) {
u = rule._u || (rule._u = SimpleUrlMatcher(u));
m = u.fn.call(u.this, url) && (r || RuleMatcher.makeDummyMatch(url));
}
return (m || !u) && r ? r.exec(url) : m;
}
static makeDummyMatch(url) {
const m = [url];
m.index = 0;
m.input = url;
return m;
}
/** @returns mpiv.RuleMatchInfo */
static makeInfo(urls, node, rule, m) {
const url = urls[0];
const info = {
node,
rule,
url,
urls: urls.length > 1 ? urls.slice(1) : null,
match: m,
gallery: rule.g && Gallery.makeParser(rule.g),
post: typeof rule.post === 'function' ? rule.post(m) : rule.post,
xhr: cfg.xhr && rule.xhr,
};
Util.lazyGetRect(info, node, rule.rect);
if (
dotDomain.endsWith('.twitter.com') && !/(facebook|google|twimg|twitter)\.com\//.test(url) ||
dotDomain.endsWith('.github.com') && !/github/.test(url) ||
dotDomain.endsWith('.facebook.com') && /\bimgur\.com/.test(url)
) {
info.xhr = 'data';
}
return info;
}
static isFollowableUrl(url, rule) {
const f = rule.follow;
return typeof f === 'function' ? f(url) : f;
}
}
class Events {
static onMouseOver(e) {
if (!App.enabled || e.shiftKey || ai.zoom)
return;
let node = e.target;
if (node === ai.popup ||
node === doc.body ||
node === doc.documentElement)
return;
if (node.shadowRoot)
node = Events.pierceShadow(node, e.clientX, e.clientY);
if (!Ruler.rules)
Ruler.init();
let a;
const tag = node.tagName;
const src = node.currentSrc || node.src;
const isPic = tag === 'IMG' || tag === 'VIDEO' && /\.(webm|mp4)(\?|$)/.test(src);
const info =
tag !== 'A' &&
RuleMatcher.find(isPic && Util.rel2abs(src), node) ||
(a = node.closest('A')) &&
RuleMatcher.findForLink(a) ||
isPic &&
Util.lazyGetRect({node, rule: {}, url: src}, node);
if (info && info.url && info.node !== ai.node)
App.activate(info, e);
}
static pierceShadow(node, x, y) {
for (let root; (root = node.shadowRoot);) {
root.addEventListener('mouseover', Events.onMouseOver, PASSIVE);
root.addEventListener('mouseout', Events.onMouseOutShadow);
const inner = root.elementFromPoint(x, y);
if (!inner || inner === node)
break;
node = inner;
}
return node;
}
static onMouseOut(e) {
if (!e.relatedTarget && !e.shiftKey)
App.deactivate();
}
static onMouseOutShadow(e) {
const root = e.target.shadowRoot;
if (root) {
root.removeEventListener('mouseover', Events.onMouseOver);
root.removeEventListener('mouseout', Events.onMouseOutShadow);
}
}
static onMouseMove(e) {
App.updateMouse(e);
if (e.shiftKey) {
ai.lazyUnload = true;
} else if (!ai.zoomed && !ai.isOverRect) {
App.deactivate();
} else if (ai.zoom) {
Popup.move();
const {w, h} = ai.view;
const {clientX: cx, clientY: cy} = ai;
const bx = w / 6;
const by = h / 6;
const onEdge = cx < bx || cx > w - bx || cy < by || cy > h - by;
App.setStatus(`${onEdge ? '+' : '-'}edge`);
}
}
static onMouseDown({shiftKey, button}) {
if (button === 0 && shiftKey && ai.popup && ai.popup.controls) {
ai.controlled = ai.zoomed = true;
} else if (button === 2 || shiftKey) {
// we ignore RMB and Shift
} else {
App.deactivate({wait: true});
}
}
static onMouseScroll(e) {
const dir = (e.deltaY || -e.wheelDelta) < 0 ? 1 : -1;
if (ai.zoom) {
App.zoomInOut(dir);
} else if (ai.gItems && ai.gItems.length > 1 && ai.popup) {
Gallery.next(dir);
} else if (cfg.zoom === 'wheel' && dir > 0 && ai.popup) {
App.zoomToggle();
} else {
App.deactivate();
return;
}
dropEvent(e);
}
static onKeyDown(e) {
switch (e.key) {
case 'Shift':
App.setStatus('+shift');
if (ai.popup && 'controls' in ai.popup)
ai.popup.controls = true;
break;
case 'Control':
if (!ai.popup && (cfg.start !== 'auto' || ai.rule.manual))
Popup.start();
break;
}
}
static onKeyUp(e) {
switch (e.key.length > 1 ? e.key : e.code) {
case 'Shift':
App.setStatus('-shift');
if ((ai.popup || {}).controls)
ai.popup.controls = false;
if (ai.controlled) {
ai.controlled = false;
return;
}
ai.popup && (ai.zoomed || ai.isOverRect !== false) ?
App.zoomToggle() :
App.deactivate({wait: true});
break;
case 'Control':
break;
case 'Escape':
App.deactivate({wait: true});
break;
case 'ArrowRight':
case 'KeyJ':
dropEvent(e);
Gallery.next(1);
break;
case 'ArrowLeft':
case 'KeyK':
dropEvent(e);
Gallery.next(-1);
break;
case 'KeyD': {
dropEvent(e);
Remoting.saveFile();
break;
}
case 'KeyT':
ai.lazyUnload = true;
GM_openInTab(
ai.rule.tabfix && ai.popup.tagName === 'IMG' && !ai.xhr &&
navigator.userAgent.includes('Gecko/') ?
Util.tabFixUrl() :
ai.popup.src);
App.deactivate();
break;
default:
App.deactivate({wait: true});
}
}
static onContext(e) {
if (e.shiftKey) return;
if (cfg.zoom === 'context' && ai.popup && App.zoomToggle()) {
dropEvent(e);
} else if (!ai.popup && (cfg.start === 'context' || (cfg.start === 'auto' && ai.rule.manual))) {
Popup.start();
dropEvent(e);
} else {
setTimeout(App.deactivate, SETTLE_TIME, {wait: true});
}
}
}
class Popup {
static schedule(force) {
if (!cfg.preload) {
ai.timer = setTimeout(Popup.start, cfg.delay);
} else if (!force) {
// we don't want to preload everything in the path of a quickly moving mouse cursor
ai.timer = setTimeout(Popup.schedule, SETTLE_TIME, true);
ai.preloadStart = now();
} else {
Popup.start();
App.setStatus('+preloading');
setTimeout(App.setStatus, cfg.delay, '-preloading');
}
}
static start() {
App.updateStyles();
ai.gallery ?
Popup.startGallery() :
Popup.startSingle();
}
static startSingle() {
App.setStatusLoading();
ai.imageUrl = null;
if (ai.rule.follow && !ai.rule.q && !ai.rule.s) {
Remoting.findRedirect();
} else if (ai.rule.q && !Array.isArray(ai.urls)) {
Popup.startFromQ();
} else {
App.updateCaption();
Popup.render(ai.url);
}
}
static async startFromQ() {
try {
const {responseText, doc, finalUrl} = await Remoting.getDoc(ai.url);
const url = Ruler.runQ(responseText, doc, finalUrl);
if (!url)
throw 'File not found.';
App.updateCaption(responseText, doc);
if (RuleMatcher.isFollowableUrl(url, ai.rule)) {
const info = RuleMatcher.find(url, ai.node, {noHtml: true});
if (!info || !info.url)
throw `Couldn't follow URL: ${url}`;
Object.assign(ai, info);
Popup.startSingle();
} else {
Popup.render(url, finalUrl);
}
} catch (e) {
App.handleError(e);
}
}
static async startGallery() {
App.setStatusLoading();
try {
const startUrl = ai.url;
const p = ai.rule.s === 'gallery' ? {} : await Remoting.getDoc(startUrl);
const items = await new Promise(resolve => {
const it = ai.gallery(p.responseText, p.doc, p.finalUrl, ai.match, ai.rule, resolve);
if (Array.isArray(it))
resolve(it);
});
// bail out if the gallery's async callback took too long
if (ai.url !== startUrl) return;
ai.gItems = items.length && items;
if (ai.gItems) {
ai.gIndex = Gallery.findIndex(ai.url);
setTimeout(Gallery.next);
} else {
throw 'Empty gallery';
}
} catch (e) {
App.handleError(e);
}
}
static async render(src, pageUrl) {
Popup.destroy();
ai.imageUrl = src;
if (ai.xhr && src)
src = await Remoting.getImage(src, pageUrl).catch(App.handleError);
if (!src) return;
const p = ai.popup =
src.startsWith('data:video') ||
!src.startsWith('data:') && /\.(webm|mp4)($|\?)/.test(src) ?
PopupVideo.create() :
$create('img');
p.id = `${PREFIX}popup`;
p.src = src;
p.addEventListener('error', App.handleError);
p.addEventListener('load', Popup.onLoad, {once: true});
if (ai.zooming)
p.addEventListener('transitionend', Popup.onZoom);
doc.body.insertBefore(p, ai.bar || undefined);
await 0;
App.checkProgress({start: true});
}
static onLoad() {
this.setAttribute('loaded', '');
ai.popupLoaded = true;
if (!ai.bar)
App.updateFileInfo();
}
static onZoom() {
this.classList.remove(`${PREFIX}zooming`);
}
static move() {
const p = ai.popup;
if (!p) return;
let x, y;
const w = Math.round(ai.scale * ai.nwidth);
const h = Math.round(ai.scale * ai.nheight);
const cx = ai.clientX;
const cy = ai.clientY;
const vw = ai.view.w - ai.outline * 2;
const vh = ai.view.h - ai.outline * 2;
if (!ai.zoom && (!ai.gItems || ai.gItems.length < 2) && !cfg.center) {
const r = ai.rect;
const rx = (r.left + r.right) / 2;
const ry = (r.top + r.bottom) / 2;
if (vw - r.right - 40 > w + ai.mbw || w + ai.mbw < r.left - 40) {
if (h + ai.mbh < vh - 60)
y = clamp(ry - h / 2, 30, vh - h - 30);
x = rx > vw / 2 ? r.left - 40 - w : r.right + 40;
} else if (vh - r.bottom - 40 > h + ai.mbh || h + ai.mbh < r.top - 40) {
if (w + ai.mbw < vw - 60)
x = clamp(rx - w / 2, 30, vw - w - 30);
y = ry > vh / 2 ? r.top - 40 - h : r.bottom + 40;
}
}
if (x === undefined) {
const mid = vw > w ?
vw / 2 - w / 2 :
-1 * clamp(5 / 3 * (cx / vw - 0.2), 0, 1) * (w - vw);
x = Math.round(mid - (ai.pw + ai.mbw) / 2);
}
if (y === undefined) {
const mid = vh > h ?
vh / 2 - h / 2 :
-1 * clamp(5 / 3 * (cy / vh - 0.2), 0, 1) * (h - vh);
y = Math.round(mid - (ai.ph + ai.mbh) / 2);
}
p.style.setProperty('transform',
`translate(${x + ai.outline}px, ${y + ai.outline}px) scale(${ai.scale})`, 'important');
}
static destroy() {
const p = ai.popup;
if (!p) return;
p.removeEventListener('error', App.handleError);
if (typeof p.pause === 'function')
p.pause();
if (!ai.lazyUnload) {
if (p.src.startsWith('blob:'))
URL.revokeObjectURL(p.src);
p.src = '';
}
p.remove();
ai.zoom = ai.popup = ai.popupLoaded = null;
}
}
class PopupVideo {
static create() {
const p = $create('video');
p.autoplay = true;
p.loop = true;
p.volume = 0.5;
p.controls = false;
p.addEventListener('progress', PopupVideo.progress);
p.addEventListener('canplaythrough', PopupVideo.progressDone, {once: true});
ai.bufBar = false;
ai.bufStart = now();
return p;
}
static progress() {
const {duration} = this;
if (duration && this.buffered.length && now() - ai.bufStart > 2000) {
const pct = Math.round(this.buffered.end(0) / duration * 100);
if ((ai.bufBar |= pct > 0 && pct < 50))
App.setBar(`${pct}% of ${Math.round(duration)}s`, 'xhr');
}
}
static async progressDone() {
this.removeEventListener('progress', PopupVideo.progress);
if (ai.bar && ai.bar.classList.contains(`${PREFIX}xhr`)) {
App.setBar(false);
App.updateFileInfo();
}
try {
await this.play();
} catch (e) {
if (this.paused) this.controls = true;
}
}
}
class Gallery {
static makeParser(g) {
return (
typeof g === 'function' ? g :
typeof g === 'string' ? Util.newFunction('text', 'doc', 'url', 'm', 'rule', 'cb', g) :
Gallery.defaultParser
);
}
static findIndex(gUrl) {
const sel = gUrl.split('#')[1];
if (!sel)
return 0;
if (/^\d+$/.test(sel))
return parseInt(sel);
for (let i = ai.gItems.length; i--;) {
let {url} = ai.gItems[i];
if (Array.isArray(url))
url = url[0];
if (url.indexOf(sel, url.lastIndexOf('/')) > 0)
return i;
}
return 0;
}
static next(dir) {
if (dir < 0 && (ai.gIndex -= dir) >= ai.gItems.length) {
ai.gIndex = 0;
} else if (dir > 0 && (ai.gIndex -= dir) < 0) {
ai.gIndex = ai.gItems.length - 1;
}
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;
}
Popup.destroy();
Popup.startSingle();
App.updateFileInfo();
Gallery.preload(dir);
}
static preload(dir) {
const i = ai.gIndex - dir;
if (ai.popup && i >= 0 && i < ai.gItems.length) {
ai.preloadUrl = ensureArray(ai.gItems[i].url)[0];
ai.popup.addEventListener('load', Gallery.preloadOnLoad, {once: true});
}
}
static preloadOnLoad() {
$create('img', {src: ai.preloadUrl});
}
static defaultParser(text, doc, docUrl, m, rule) {
const {g} = rule;
const qEntry = g.entry;
const qCaption = ensureArray(g.caption);
const qImage = g.image;
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();
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);
}
}
}
class Remoting {
static gmXhr(url, opts = {}) {
if (ai.req)
tryCatch.call(ai.req, ai.req.abort);
return new Promise((resolve, reject) => {
ai.req = GM_xmlhttpRequest({
url,
method: 'GET',
anonymous: (ai.rule || {}).anonymous,
timeout: 10e3,
...opts,
onload: done,
onerror: done,
ontimeout() {
ai.req = null;
reject(`Timeout fetching ${url}`);
},
});
function done(r) {
ai.req = null;
r.status < 400 && !r.error ?
resolve(r) :
reject(`Server error ${r.status} ${r.error}\nURL: ${url}`);
}
});
}
static async getDoc(url) {
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 = new DOMParser().parseFromString(r.responseText, 'text/html');
return r;
}
static async getImage(url, pageUrl) {
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 || (typeof ai.xhr === 'function' ? ai.xhr() : url),
},
onprogress: Remoting.getImageProgress,
});
App.setBar(false);
const type = Remoting.guessMimeType(response);
let b = response.response;
if (b.type !== type)
b = b.slice(0, b.size, type);
return ai.xhr === 'data' ?
Remoting.blobToDataUrl(b) :
URL.createObjectURL(b);
}
static 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;
App.setBar(`${pct}% of ${size} kiB`, 'xhr');
}
}
static 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);
Popup.startSingle();
} catch (e) {
App.handleError(e);
}
}
static async saveFile() {
let url = ai.popup.src || ai.popup.currentSrc;
let name = Remoting.getFileName(ai.imageUrl || url);
if (!name.includes('.'))
name += '.jpg';
try {
if (!url.startsWith('blob:') && !url.startsWith('data:')) {
const {response} = await Remoting.gmXhr(url, {
responseType: 'blob',
headers: {'Referer': url},
});
url = URL.createObjectURL(response);
setTimeout(() => URL.revokeObjectURL(url), 1000);
}
$create('a', {href: url, download: name})
.dispatchEvent(new MouseEvent('click'));
} catch (e) {
App.setBar(`Could not download ${name}.`, 'error');
}
}
static getFileName(url) {
return decodeURIComponent(url).split('/').pop().replace(/[:#?].*/, '');
}
static blobToDataUrl(blob) {
return new Promise((resolve, reject) => {
const fr = new FileReader();
fr.onload = () => resolve(fr.result);
fr.onerror = reject;
fr.readAsDataURL(blob);
});
}
static guessMimeType({responseHeaders, finalUrl}) {
if (/Content-Type:\s*(\S+)/i.test(responseHeaders) &&
!RegExp.$1.includes('text/plain'))
return RegExp.$1;
const ext = /\.([a-z0-9]+?)($|\?|#)/i.exec(finalUrl) ? RegExp.$1 : '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';
}
}
static findImageUrl(n, url) {
let html;
const path =
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);
}
}
class Util {
static 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;
}
static decodeHtmlEntities(s) {
return s
.replace(/"/g, '"')
.replace(/'/g, '\'')
.replace(/</g, '<')
.replace(/>/g, '>')
.replace(/&/g, '&');
}
static 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]));
}
static findScale(url, parent) {
const imgs = $$('img, video', parent);
for (let i = imgs.length, img; (img = imgs[--i]);) {
if ((img.currentSrc || img.src) !== url || img.sizes)
continue;
const scaleX = (img.naturalWidth || img.videoWidth) / img.offsetWidth;
const scaleY = (img.naturalHeight || img.videoHeight) / img.offsetHeight;
const s = Math.max(scaleX, scaleY);
if (isFinite(s))
return s;
}
}
static findScaleIndex(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;
}
static forceLayout(node) {
// eslint-disable-next-line no-unused-expressions
node.clientHeight;
}
static 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;color:yellow'],
['', 'font-weight:normal;color:unset'],
];
m.push(...[
rule.u && ['Url simple match: %o', rule.u],
rule.e && ['Element match: %o', rule.e],
rule.r && ['RegExp match: %o', rule.r],
ai.url && ['URL: %s', ai.url],
ai.imageUrl && ai.imageUrl !== ai.url && ['File: %s', ai.imageUrl],
['Node: %o', ai.node],
].filter(Boolean));
return {
message,
consoleFormat: m.map(([k]) => k).filter(Boolean).join('\n'),
consoleArgs: m.map(([, v]) => v),
};
}
static getFrameSize(frameWindow, parentWindow) {
const r = frameWindow.frameElement.getBoundingClientRect();
const w = clamp(r.width, 0, parentWindow.innerWidth - r.left);
const h = clamp(r.height, 0, parentWindow.innerHeight - r.top);
return [w, h];
}
static lazyGetRect(obj, node, selector) {
return Object.defineProperty(obj, 'rect', {
configurable: true,
get() {
const value = Util.rect(node, selector);
Object.defineProperty(obj, 'rect', {value, configurable: true});
return value;
},
});
}
// decode only if the main part of the URL is encoded to preserve the encoded parameters
static maybeDecodeUrl(url) {
if (!url) return url;
const iPct = url.indexOf('%');
const iColon = url.indexOf(':');
return iPct >= 0 && (iPct < iColon || iColon < 0) ?
decodeURIComponent(url) :
url;
}
static newFunction(...args) {
try {
return App.NOP || new Function(...args);
} catch (e) {
if (!e.message.includes('unsafe-eval'))
throw e;
App.NOP = () => {};
return App.NOP;
}
}
static rect(node, selector) {
let n = selector && node.closest(selector);
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;
}
static rel2abs(rel, abs = location.href) {
try {
return rel.startsWith('data:') ? rel :
rel.startsWith('blob:') ? '' : // blobs don't work because they're usually revoked
new URL(rel, abs).href;
} catch (e) {
return rel;
}
}
static scaleCut(scale, i, arr) {
return scale >= this && (!i || Math.abs(scale - arr[i - 1]) > .01);
}
static scaleNextToZoom(keepScale) {
const z = ai.scaleZoom;
return keepScale || z !== ai.scale ? z :
z >= 1 ? ai.scales.find(x => x > z) :
1;
}
static suppressHoverTooltip() {
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;
}
}
}
static tabFixUrl() {
return `data:text/html;charset=utf8,
`.replace(/\n\s*/g, '').replace(/\x20?([:>])\x20/g, '$1').replace(/#/g, '%23');
}
}
function setup({rule} = {}) {
const MPIV_BASE_URL = 'https://w9p.co/userscripts/mpiv/';
const RULE = setup.RULE || (setup.RULE = Symbol('rule'));
let root = (elConfig || 0).shadowRoot;
let {blankRuleElement} = setup;
/** @type NodeList */
const UI = new Proxy({}, {
get(_, id) {
return root.getElementById(id);
},
});
if (!rule || !elConfig)
init(new Config({save: true}));
if (rule)
installRule(rule);
function closeSetup(event) {
if (event && this.id !== 'x') {
cfg = collectConfig({save: true, clone: this.id === 'apply'});
Ruler.init();
if (this.id === 'apply') {
renderCustomScales(cfg);
return;
}
}
$remove(elConfig);
}
function collectConfig({save, clone} = {}) {
const delay = parseInt(UI.delay.value);
const scale = parseFloat(UI.scale.value.replace(',', '.'));
let data = {
css: UI.css.value.trim(),
delay: !isNaN(delay) && delay >= 0 ? delay : undefined,
fit: UI.fit.value || '',
hosts: collectRules(),
scale: !isNaN(scale) ? Math.max(1, scale) : undefined,
scales: UI.scales.value
.trim()
.split(/[,;]*\s+/)
.map(x => x.replace(',', '.'))
.filter(x => !isNaN(parseFloat(x))),
start: UI.start.value,
zoom: UI.zoom.value,
zoomOut: UI.zoomOut.value,
};
for (const el of $$('[type="checkbox"]', root))
data[el.id] = el.checked;
if (clone)
data = JSON.parse(JSON.stringify(data));
return new Config({data, save});
}
function collectRules() {
return [...UI.rules.children]
.map(el => [el.value.trim(), el[RULE]])
.sort((a, b) => a[0] < b[0] ? -1 : a[0] > b[0] ? 1 : 0)
.map(([s, json]) => json || s)
.filter(Boolean);
}
function exportSettings(e) {
dropEvent(e);
const txt = $create('textarea', {
style: 'opacity:0; position:absolute',
value: JSON.stringify(collectConfig(), null, ' '),
});
root.appendChild(txt);
txt.select();
txt.focus();
document.execCommand('copy');
e.target.focus();
txt.remove();
UI.exportNotification.hidden = false;
setTimeout(() => (UI.exportNotification.hidden = true), 1000);
}
function importSettings(e) {
dropEvent(e);
const s = prompt('Paste settings:');
if (s)
init(new Config({data: s}));
}
function checkRule({target: el}) {
let json, error;
const prev = el.previousElementSibling;
if (el.value) {
json = Ruler.parse(el.value);
error = json instanceof Error && (json.message || String(json));
if (!prev)
el.insertAdjacentElement('beforebegin', blankRuleElement.cloneNode());
} else if (prev) {
prev.focus();
el.remove();
}
el[RULE] = !error && json;
el.title = error || '';
el.setCustomValidity(error || '');
}
function focusRule({type, target: el, relatedTarget: from}) {
if (el === this)
return;
if (type === 'paste') {
setTimeout(() => focusRule.call(this, {target: el}));
return;
}
if (el[RULE])
el.value = Ruler.format(el[RULE], {expand: true});
const h = clamp(el.scrollHeight, 15, elConfig.clientHeight / 4);
if (h > el.offsetHeight)
el.style.minHeight = h + 'px';
if (!this.contains(from))
from = [...$$('[style*="height"]', this)].find(_ => _ !== el);
if (from) {
from.style.minHeight = '';
if (from[RULE])
from.value = Ruler.format(from[RULE]);
}
}
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 renderCustomScales(config) {
UI.scales.value = config.scales.join(' ').trim() || Config.DEFAULTS.scales.join(' ');
}
function init(config) {
closeSetup();
// preventing the main page from interpreting key presses in inputs as hotkeys
// which may happen since it sees only the outer
in the event |target|
elConfig = $create('div', {contentEditable: true});
const scalesHint = 'Leave it empty and click Apply or Save to restore the default values.';
const trimLeft = s => s.trim().replace(/\n\s+/g, '\n');
root = elConfig.attachShadow({mode: 'open'});
root.innerHTML = `
${GM_info.script.name}