// ==UserScript==
// @name Image Viewer
// @version 1.3.1
// @description View full image without leaving the page or on a new tab without ads
// @namespace https://github.com/nikolay-borzov
// @author nikolay-borzov
// @license MIT
// @icon https://raw.githubusercontent.com/nikolay-borzov/user-scripts/master/image-viewer/icon.png
// @homepageURL https://github.com/nikolay-borzov/user-scripts
// @homepage https://github.com/nikolay-borzov/user-scripts
// @supportURL https://github.com/nikolay-borzov/user-scripts/issues
// @match *://*/*
// @connect fastpic.org
// @connect fastpic.ru
// @connect ibb.co
// @connect imagebam.com
// @connect imagetwist.com
// @connect imagevenue.com
// @connect imgdrive.net
// @connect imgtaxi.com
// @connect www.turboimagehost.com
// @noframes
// @run-at document-start
// @exclude http://imgbb.co/*
// @exclude https://adult-images.ru/*
// @exclude https://fastpic.org/*
// @exclude https://freescreens.ru/*
// @exclude https://imageban.ru/*
// @exclude https://imagetwist.com/*
// @exclude https://imgadult.com/*
// @exclude https://imgbase.ru/*
// @exclude https://imgbox.com/*
// @exclude https://imgbum.ru/*
// @exclude https://imgclick.ru/*
// @exclude https://imgdrive.net/*
// @exclude https://imgtaxi.com/*
// @exclude https://payforpic.ru/*
// @exclude https://piccash.net/*
// @exclude https://picclick.ru/*
// @exclude https://picforall.ru/*
// @exclude https://vfl.ru/*
// @exclude https://www.imagebam.com/*
// @exclude https://www.imagevenue.com/*
// @exclude https://www.turboimagehost.com/*
// @grant GM_addStyle
// @grant GM_xmlhttpRequest
// @grant GM.xmlHttpRequest
// @grant GM_setValue
// @grant GM.setValue
// @grant GM_getValue
// @grant GM.getValue
// @grant GM_registerMenuCommand
// @grant GM.registerMenuCommand
// @grant GM_openInTab
// @grant GM.openInTab
// ==/UserScript==
;(function () {
/* global Bliss */
// eslint-disable-next-line -- blissfuljs v1.0.6 Shy https://blissfuljs.com/
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// eslint-disable-next-line
const $ = Bliss;
// eslint-disable-next-line
const $$ = Bliss.$;
const GM_METHOD_MAP = {
GM_addStyle: 'addStyle',
GM_deleteValue: 'deleteValue',
GM_getResourceURL: 'getResourceUrl',
GM_getValue: 'getValue',
GM_listValues: 'listValues',
GM_notification: 'notification',
GM_openInTab: 'openInTab',
GM_registerMenuCommand: 'registerMenuCommand',
GM_setClipboard: 'setClipboard',
GM_setValue: 'setValue',
GM_xmlhttpRequest: 'xmlHttpRequest',
GM_getResourceText: 'getResourceText',
}
function getGM4PolyfilledMethod(methodName) {
const gm4MethodName = GM_METHOD_MAP[methodName]
if (GM !== undefined && gm4MethodName in GM) {
return GM[gm4MethodName]
} else if (methodName in window) {
return function (...arguments_) {
return new Promise((resolve, reject) => {
try {
// eslint-disable-next-line unicorn/no-null
resolve(window[methodName].apply(null, arguments_))
} catch (error) {
reject(error)
}
})
}
}
return async function () {
throw new Error(`Method ${methodName} is not available. Missing @grant?`)
}
}
let addStyle = (css) => {
addStyle =
'GM_addStyle' in window
? GM_addStyle // eslint-disable-line camelcase
: (css) => {
const head = document.querySelectorAll('head')[0]
const style = document.createElement('style')
style.innerHTML = css
head.append(style)
return style
}
return addStyle(css)
}
let request = (details) => {
request = getGM4PolyfilledMethod('GM_xmlhttpRequest')
return request(details)
}
const store = {
getValue: (name, defaultValue) => {
store.getValue = getGM4PolyfilledMethod('GM_getValue')
return store.getValue(name, defaultValue)
},
setValue: (name, value) => {
store.setValue = getGM4PolyfilledMethod('GM_setValue')
return store.setValue(name, value)
},
async patch(name, value) {
const oldValue = await store.getValue(name)
store.setValue(name, {
...oldValue,
...value,
})
},
}
let registerMenuCommand = (name, onClick, accessKey) => {
registerMenuCommand = getGM4PolyfilledMethod('GM_registerMenuCommand')
return registerMenuCommand(name, onClick, accessKey)
}
let openInTab = (url, openInBackground) => {
openInTab = getGM4PolyfilledMethod('GM_openInTab')
return openInTab(url, openInBackground)
}
const imgbum = {
id: 'imgbum',
name: 'imgbum.ru',
linkRegExp: /\/imgbum\.(net|ru)/,
async getURL(link) {
return link.thumbnailURL.replace('-thumb', '')
},
}
const adultImages = {
id: 'adult-images',
name: 'Adult-Images.ru',
linkRegExp: /\/(adult-images|money-pic)\.ru/,
getURL: imgbum.getURL,
}
async function getURLFromPage(link, extractor, requestDetails) {
const html = await getPageHtml({ url: link.url, ...requestDetails })
const match = extractor.imageURLRegExp?.exec(html)
let url
if (match) {
url = match.groups ? match.groups.url : match[1]
}
if (!url) {
console.error(
`[image-viewer] Failed to get URL from page source: ${link.url}`
)
}
return url
}
async function getPageHtml(requestDetails) {
const response = await request(requestDetails)
return response.responseText
}
const fastpic = {
id: 'fastpic',
name: 'FastPic',
linkRegExp: /fastpic\.(?:ru|org)\/view/,
imageURLRegExp: /src="(?<url>http[^"]+)" class="image img-fluid"/,
getURL: getURLFromPage,
}
const URL_PARTS_REGEXP = /i(\d+).+\.(ru|org)\/big(\/\d+\/\d+\/).+\/([^/]+)$/
const fastpicDirect = {
id: 'fastpicDirect',
name: 'FastPic (direct link)',
linkRegExp: /fastpic\.(?:ru|org)\/big/,
async getURL(link) {
const [, index, domain, date, filename] =
URL_PARTS_REGEXP.exec(link.url) || []
const url = `https://fastpic.${domain}/view/${index}${date}${filename}.html`
return fastpic.getURL({ ...link, url }, fastpic)
},
}
const imagebam = {
id: 'imagebam',
name: 'ImageBam',
linkRegExp: /www\.imagebam\.com\//,
imageURLRegExp: /src="(?<url>[^"]+)".+class="main-image/,
async getURL(link, extractor) {
return getURLFromPage(link, extractor, {
cookie: 'nsfw_inter=1',
})
},
}
const DATE_PATTERN = /(\d{4})\.(\d{2})\.(\d{2})/
const imageban = {
id: 'imageban',
name: 'ImageBan.ru',
linkRegExp: /imageban\.ru\/show/,
async getURL(link) {
return link.thumbnailURL
.replace('thumbs', 'out')
.replace(DATE_PATTERN, '$1/$2/$3')
},
}
const imagebanDirect = {
id: 'imagebanDirect',
name: 'ImageBan.ru (direct link)',
linkRegExp: /imageban\.ru\/out/,
async getURL(link) {
return link.url
},
}
const imagetwist = {
id: 'imagetwist',
name: 'ImageTwist',
linkRegExp: /imagetwist\.com/,
viewMode: 'origin-download',
async getURL(link) {
const imageName = link.url.split('/').pop()?.replace('.html', '')
const imageExtension = imageName?.split('.').pop() ?? ''
const thumbnailExtension = link.thumbnailURL.split('.').pop() ?? ''
const imageUrl = link.thumbnailURL
.replace('/th/', '/i/')
.slice(0, -thumbnailExtension.length)
return `${imageUrl}${imageExtension}/${imageName}`
},
}
const HOST_REPLACE_REG_EXP = /(picturelol|picshick|imageshimage)/
const imagetwistBased = {
id: 'imagetwistBased',
name: 'ImageTwist based (legacy)',
hosts: ['Picturelol.com', 'PicShick.com', 'Imageshimage.com'],
linkRegExp: /(picturelol|picshick|imageshimage)\.com/,
viewMode: 'origin-download',
async getURL(link) {
const imageName = link.url.split('/').pop()
const imageUrl = link.thumbnailURL
.replace('/th/', '/i/')
.replace(HOST_REPLACE_REG_EXP, 'imagetwist')
return `${imageUrl}/${imageName}`
},
}
const imagevenue = {
id: 'imagevenue,',
name: 'ImageVenue.com',
linkRegExp: /imagevenue\.com\//,
imageURLRegExp: /data-toggle="full">\W*<img src="(?<url>[^"]*)/im,
getURL: getURLFromPage,
}
const imgadult = {
id: 'imgadult',
name: 'ImgAdult',
linkRegExp: /\/imgadult\.com/,
async getURL(link) {
return link.thumbnailURL.replace('/small/', '/big/')
},
}
const imgbb = {
id: 'imgbb',
name: 'ImgBB',
linkRegExp: /\/ibb\.co/,
imageURLRegExp: /rel="image_src" href="(?<url>http[^"]+)"/,
async getURL(link) {
if (link.thumbnailURL.includes('//thumb')) {
return link.thumbnailURL.replace('//thumb', '//image')
}
return getURLFromPage(link, imgbb)
},
}
const imgbox = {
id: 'imgbox',
name: 'imgbox',
linkRegExp: /\/imgbox\.com/,
async getURL(link) {
return link.thumbnailURL.replace('/thumbs', '/images').replace('_t', '_o')
},
}
const imgdrive = {
id: 'imgdrive',
name: 'ImgDrive.net',
linkRegExp: /\/imgdrive\.net/,
viewMode: 'origin-download',
async getURL(link) {
return link.thumbnailURL
.replace('/small/', '/big/')
.replace('/small-medium/', '/big/')
},
}
const imgtaxi = {
id: 'imgtaxi',
name: 'ImgTaxi.com',
linkRegExp: /\/imgtaxi\.com/,
viewMode: 'origin-download',
getURL: imgdrive.getURL,
}
const piccash = {
id: 'piccash',
name: 'PicCash',
linkRegExp: /\/piccash\.net/,
async getURL(link) {
return link.thumbnailURL.replace('_thumb', '_full').replace('-thumb', '')
},
}
const picforall = {
id: 'picforall',
name: 'PicForAll',
hosts: [
'freescreens.ru',
'imgclick.ru',
'picclick.ru',
'payforpic.ru',
'picforall.ru',
'imgbase.ru',
],
linkRegExp:
/\/(freescreens|imgclick|picclick|payforpic|picforall|imgbase)\.ru/,
getURL: imgbum.getURL,
}
const turboimagehost = {
id: 'turboimagehost',
name: 'TurboImageHost.com',
linkRegExp: /turboimagehost\.com\/p/,
imageURLRegExp: /rel="image_src" href="(?<url>http[^"]+)"/,
viewMode: 'new-tab',
getURL: getURLFromPage,
}
const REMOVE_SUFFIX_REGEXP = /_.?(.+)$/
const vfl = {
id: 'vfl',
name: 'VFL.Ru',
linkRegExp: /^http:\/\/vfl\.ru/,
async getURL(link) {
return link.thumbnailURL.replace(REMOVE_SUFFIX_REGEXP, '$1')
},
}
const hostExtractors = /* #__PURE__ */ Object.freeze({
__proto__: null,
adultImages,
fastpic,
fastpicDirect,
imagebam,
imageban,
imagebanDirect,
imagetwist,
imagetwistBased,
imagevenue,
imgadult,
imgbb,
imgbox,
imgbum,
imgdrive,
imgtaxi,
piccash,
picforall,
turboimagehost,
vfl,
})
let extractorsActive = []
const extractors = Object.values(hostExtractors).filter(Boolean)
const extractorsByID = extractors.reduce((result, extractor) => {
result[extractor.id] = extractor
return result
}, {})
const urlExtractor = {
getImageHostsMetadata() {
const result = extractors.map(({ id, name, hosts }) => ({
id,
name,
description: hosts ? hosts.join(', ') : '',
}))
return sortCaseInsensitive(result, ({ name }) => name)
},
async getImageURL(link) {
const extractor = extractorsByID[link.host]
const imageURL = await extractor.getURL(link, extractor)
if (!imageURL) {
console.error(
`[image-viewer] Failed to get URL for ${link.host}:${link.url}`
)
}
return imageURL
},
getExtractorByHost(hostId) {
return extractorsByID[hostId]
},
getHostExtractorMatcher(enabledHosts) {
extractorsActive = extractors.filter((extractor) =>
enabledHosts.includes(extractor.id)
)
let previousExtractor
return (url) => {
if (previousExtractor && previousExtractor.linkRegExp.test(url)) {
return previousExtractor
}
const extractor = extractorsActive.find((extractor) =>
extractor.linkRegExp.test(url)
)
if (extractor) {
previousExtractor = extractor
return extractor
}
}
},
}
function sortCaseInsensitive(items, getValue) {
return items
.map((value, index) => ({ index, value: getValue(value).toLowerCase() }))
.sort((a, b) => {
if (a.value > b.value) {
return 1
}
if (a.value < b.value) {
return -1
}
return 0
})
.map((m) => items[m.index])
}
const CLASSES$1 = {
open: 'iv-config-form--open',
}
let configMenu
const currentHost = unsafeWindow.location.host
async function initHostConfig() {
const config = await getHostConfig()
await registerMenuCommand('Settings', () => showMenu(config))
return config
}
async function getHostConfig() {
const hosts = urlExtractor.getImageHostsMetadata()
const storedConfig = await store.getValue(currentHost, { hosts: {} })
const enabledHosts = []
for (const host of hosts) {
const id = host.id
const isEnabled = id in storedConfig.hosts ? storedConfig.hosts[id] : true
host.isEnabled = isEnabled
storedConfig.hosts[id] = isEnabled
if (isEnabled) {
enabledHosts.push(id)
}
}
storedConfig.hosts = hosts.reduce((result, host) => {
result[host.id] = host.isEnabled
return result
}, {})
return {
hosts,
storedConfig,
enabledHosts,
}
}
function showMenu(config) {
createMenuElement(config).classList.add(CLASSES$1.open)
}
function createMenuElement(config) {
if (configMenu) {
return configMenu
}
const rows = config.hosts.map((host) => createConfigMenuRow(host))
configMenu = $.create('div', {
id: 'iv-config-form',
className: 'iv-config-form',
contents: [
createMenuHeader(),
{
tag: 'div',
className: 'iv-config-form__options',
contents: rows,
},
],
delegate: {
change: {
'.js-iv-config-checkbox': ({ target: { value, checked } }) =>
updateHostConfig(config.storedConfig, value, checked),
},
},
})
document.body.append(configMenu)
return configMenu
}
function createConfigMenuRow(host) {
return $.create('label', {
className: 'iv-config-form__label',
title: host.description,
contents: [
{
tag: 'input',
type: 'checkbox',
className: 'iv-config-form__checkbox js-iv-config-checkbox',
checked: host.isEnabled,
value: host.id,
},
host.name,
],
})
}
function createMenuHeader() {
const closeButton = $.create('a', {
href: '#',
title: 'Close',
className: `iv-icon-button iv-icon-button--small iv-icon iv-icon--type-close`,
events: {
click: (event) => {
event.preventDefault()
configMenu.classList.remove(CLASSES$1.open)
},
},
})
return {
tag: 'div',
className: 'iv-config-form__header',
contents: [
{
tag: 'span',
className: 'iv-config-form__header-title',
contents: `Settings for ${currentHost}`,
},
closeButton,
],
}
}
function updateHostConfig(config, hostName, isEnabled) {
config.hosts[hostName] = isEnabled
store.setValue(currentHost, config)
}
const css_248z =
":root{--color-bkg-button-hover:#ffffff1a;--color-bkg-view:#000c;--transition-duration:350ms;--color-text:#fff;--color-border:#0003}@keyframes spin{0%{transform:translate(-50%,-50%) rotate(0deg)}to{transform:translate(-50%,-50%) rotate(1turn)}}.iv-icon{position:relative}.iv-icon:after,.iv-image-link img:after{background-position:50%;background-repeat:no-repeat;background-size:contain;content:\"\";height:100%;left:50%;position:absolute;top:50%;transform:translate(-50%,-50%);width:100%;z-index:2}.iv-icon--hover:after{opacity:0;transition:opacity .35s ease}.iv-icon--hover:hover:after{opacity:1}.iv-icon--size-button:after{height:50px;width:50px}.iv-icon--type-loading:after{animation:spin 1s linear infinite;background-image:url(\"data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' fill='%23fff'%3E%3Cpath d='M12 4V2A10 10 0 0 0 2 12h2a8 8 0 0 1 8-8Z'/%3E%3C/svg%3E\")!important;opacity:1}.iv-icon--type-zoom:after{background-image:url(\"data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' height='24' width='24' fill='%23fff'%3E%3Cpath d='M0 0h24v24H0V0z' fill='none'/%3E%3Cpath d='M15.5 14h-.79l-.28-.27A6.471 6.471 0 0 0 16 9.5 6.5 6.5 0 1 0 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14zm.5-7H9v2H7v1h2v2h1v-2h2V9h-2z'/%3E%3C/svg%3E\")}.iv-icon--type-open-in-new:after{background-image:url(\"data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' height='24' width='24' fill='%23fff'%3E%3Cpath d='M0 0h24v24H0z' fill='none'/%3E%3Cpath d='M19 19H5V5h7V3H5a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14c1.1 0 2-.9 2-2v-7h-2v7zM14 3v2h3.59l-9.83 9.83 1.41 1.41L19 6.41V10h2V3h-7z'/%3E%3C/svg%3E\");height:40px;width:40px}.iv-icon--type-next:after{background-image:url(\"data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' height='24' width='24' fill='%23fff'%3E%3Cpath d='M0 0h24v24H0V0z' fill='none'/%3E%3Cpath d='M10.02 6 8.61 7.41 13.19 12l-4.58 4.59L10.02 18l6-6-6-6z'/%3E%3C/svg%3E\")}.iv-icon--type-previous:after{background-image:url(\"data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' height='24' width='24' fill='%23fff'%3E%3Cpath d='M0 0h24v24H0V0z' fill='none'/%3E%3Cpath d='M15.61 7.41 14.2 6l-6 6 6 6 1.41-1.41L11.03 12l4.58-4.59z'/%3E%3C/svg%3E\")}.iv-icon--type-close:after{background-image:url(\"data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' height='24' width='24' fill='%23fff'%3E%3Cpath d='M0 0h24v24H0V0z' fill='none'/%3E%3Cpath d='M19 6.41 17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12 19 6.41z'/%3E%3C/svg%3E\")}.iv-icon--type-expand:after{background-image:url(\"data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' height='24' width='24' fill='%23fff'%3E%3Cpath d='M0 0h24v24H0V0z' fill='none'/%3E%3Cpath d='M7 14H5v5h5v-2H7v-3zm-2-4h2V7h3V5H5v5zm12 7h-3v2h5v-5h-2v3zM14 5v2h3v3h2V5h-5z'/%3E%3C/svg%3E\")}.iv-icon--type-shrink:after{background-image:url(\"data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' height='24' width='24' fill='%23fff'%3E%3Cpath d='M0 0h24v24H0V0z' fill='none'/%3E%3Cpath d='M5 16h3v3h2v-5H5v2zm3-8H5v2h5V5H8v3zm6 11h2v-3h3v-2h-5v5zm2-11V5h-2v5h5V8h-3z'/%3E%3C/svg%3E\")}.iv-icon--type-image-broken:after,.iv-image-link img:after{background-image:url(\"data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' fill='%23fff'%3E%3Cpath d='M21 5v6.59l-3-3.01-4 4.01-4-4-4 4-3-3.01V5a2 2 0 0 1 2-2h14a2 2 0 0 1 2 2m-3 6.42 3 3.01V19a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-6.58l3 2.99 4-4 4 4'/%3E%3C/svg%3E\")}.iv-image-link{border:1px solid #0003;box-shadow:1px 1px 3px #00000080;display:inline-flex;margin:3px;min-height:50px;min-width:50px;padding:4px;vertical-align:top}.iv-image-link img{margin:0}.iv-image-link>:not(img){align-items:center;display:flex;justify-content:center;width:100%}.iv-image-link:before{background-color:#00000080;bottom:4px;content:\"\";left:4px;opacity:0;position:absolute;right:4px;top:4px;transition:opacity .35s ease;z-index:1}.iv-image-link.iv-icon--type-loading:before,.iv-image-link:hover:before{opacity:1}.iv-image-link img:after,.iv-image-link img:before{content:\"\";position:absolute}.iv-image-link img:before{background-color:#0003;height:100%;left:0;top:0;width:100%}.iv-image-link img:after{height:35px;width:35px;z-index:0}.iv-image-view{background-color:#000c;color:#fff;display:none;flex-direction:column;height:0;opacity:0;transition:opacity .35s ease-out;user-select:none}.iv-image-view--open body,html.iv-image-view--open{overflow:hidden}.iv-image-view--open .iv-image-view{bottom:0;display:flex;height:auto;left:0;opacity:1;position:fixed;right:0;top:0;z-index:3}.iv-image-view--single .single-hide{visibility:hidden}.iv-image-view__footer,.iv-image-view__header{background-color:#000c;display:flex}.iv-image-view__footer-wrapper,.iv-image-view__header-wrapper{z-index:2}.iv-image-view__header-wrapper{box-shadow:0 3px 7px #000000b3}.iv-image-view__footer-wrapper{box-shadow:0 -3px 7px #000000b3}.iv-image-view__header{justify-content:space-between}.iv-image-view__footer{justify-content:center}.iv-image-view__body{display:flex;height:100%;overflow:auto;position:relative}.iv-image-view__body::-webkit-scrollbar{width:20px}.iv-image-view__body::-webkit-scrollbar-thumb{background-color:#000c}.iv-image-view__body::-webkit-scrollbar-track{background-color:#fffc}.iv-thumbnail-wrapper{display:flex;height:100%;left:0;position:absolute;top:0;width:100%;z-index:0}.iv-image-view__number{align-items:center;display:flex;font-size:18px;padding:0 40px}.iv-image-view__backdrop{height:100%;left:0;position:fixed;top:0;width:100%;z-index:1}.iv-image,.iv-thumbnail{margin:auto;max-height:100%;max-width:100%;object-fit:contain}.iv-image{opacity:1;transition:opacity .35s ease-out;z-index:2}.iv-thumbnail{filter:blur(5px)}.iv-icon--type-error .iv-image,.iv-image-view__image--loading .iv-image,.iv-image-view__image--thumbnail .iv-image{opacity:0}.iv-image-view__image--thumbnail .iv-thumbnail-wrapper{z-index:2}.iv-image-view--full-height .iv-image,.iv-image-view--full-height .iv-thumbnail{cursor:grab;max-height:none}.iv-image-view--full-height .iv-image--grabbing{cursor:grabbing}.iv-icon-button{height:50px;transition:all .35s ease-out;width:50px}.iv-icon-button--small{height:25px;width:25px}.iv-icon-button+.iv-icon-button{margin-left:5px}.iv-icon-button:hover{background-color:#ffffff1a}.iv-icon-button--active,.iv-icon-button:active{background-color:#fff3}.iv-config-form{background-color:#000000d9;color:#fff;display:none;flex-direction:column;height:50%;left:10px;max-width:500px;padding:10px;top:10px;width:50%}.iv-config-form--open{display:flex;position:fixed;z-index:3}.iv-config-form__header{align-items:center;display:flex;padding:10px}.iv-config-form__header-title{flex-grow:1}.iv-config-form__options{display:flex;flex-flow:column wrap;flex-grow:1;overflow:auto}.iv-config-form__label{align-items:center;display:flex;flex:0 0 auto;margin:0;padding:10px;transition:all .35s ease-out}.iv-config-form__label:hover{background-color:#ffffff26}.iv-config-form__checkbox{margin:0 5px 0 0!important}"
const CLASSES = {
imageLink: 'js-image-link',
imageLinkOpenInNew: 'js-image-link-open-in-new',
zoomIcon: 'iv-icon--type-zoom',
openInNewIcon: 'iv-icon--type-open-in-new',
imageLinkHover: 'iv-icon--hover',
brokenImageIcon: 'iv-icon--type-image-broken',
loadingIcon: 'iv-icon--type-loading',
loading: 'iv-image-view__image--loading',
thumbnail: 'iv-image-view__image--thumbnail',
open: 'iv-image-view--open',
single: 'iv-image-view--single',
fullHeight: 'iv-image-view--full-height',
iconExpand: 'iv-icon--type-expand',
iconShrink: 'iv-icon--type-shrink',
grabbing: 'iv-image--grabbing',
buttonActive: 'iv-icon-button--active',
}
const SELECTORS = {
imageLink: `.${CLASSES.imageLink}`,
imageOpenInNewLink: `.${CLASSES.imageLinkOpenInNew}`,
}
const EMPTY_SRC =
'data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEAAAAALAAAAAABAAEAAAI='
const TRANSITION_DURATION = 350
function initViewer(enabledHosts) {
addStyle(css_248z)
const container = $('body')
const linkCommonClasses = [
'iv-image-link',
'iv-icon',
'iv-icon--hover',
'iv-icon--size-button',
]
const getExtractor = urlExtractor.getHostExtractorMatcher(enabledHosts)
const imagesWithLinks = $$('a > img, a > var', container)
.map((img) => ({
link: img.parentElement,
thumbnailUrl: img.src ?? img.title,
}))
.filter(({ link }) => link.href)
for (const { link, thumbnailUrl } of imagesWithLinks) {
const extractor = getExtractor(link.href)
if (!extractor) {
continue
}
link.dataset.ivHost = extractor.id
link.dataset.ivThumbnail = thumbnailUrl
let viewModeClasses
if (extractor.viewMode === 'new-tab') {
viewModeClasses = [CLASSES.imageLinkOpenInNew, CLASSES.openInNewIcon]
link.setAttribute('title', 'Open in new tab')
} else {
viewModeClasses = [CLASSES.imageLink, CLASSES.zoomIcon]
link.setAttribute('title', 'Open viewer')
}
link.classList.add(...linkCommonClasses, ...viewModeClasses)
}
$.delegate(container, 'click', {
[SELECTORS.imageLink]: events.openViewerLinkClick,
[SELECTORS.imageOpenInNewLink]: events.openInTabLinkClick,
})
}
const elements = {
container: undefined,
image: undefined,
imageThumbnail: undefined,
imageContainer: undefined,
imageNumber: undefined,
imageTotal: undefined,
buttons: {
next: undefined,
previous: undefined,
close: undefined,
toggleFullHeight: undefined,
},
}
const state = {
isFirstClick: true,
isOpened: false,
currentLink: undefined,
linksSet: [],
isSingle: false,
getCurrentLinkIndex() {
return this.currentLink === undefined
? -1
: this.linksSet.indexOf(this.currentLink)
},
getLastLinkIndex() {
return this.linksSet.length - 1
},
dragPosition: 0,
dragging: false,
}
const image = {
async getFullSizeURL(link) {
let imageURL = link.dataset.ivImgUrl
if (imageURL) {
return imageURL
}
const thumbnailURL = link.dataset.ivThumbnail
const imageHost = link.dataset.ivHost
if (!thumbnailURL || !imageHost) {
throw new Error(
'[image-viewer] Either thumbnail URL or host is not set'
)
}
imageURL = await urlExtractor.getImageURL({
url: link.href,
thumbnailURL,
host: imageHost,
})
if (!imageURL) {
image.markAsBroken(link)
return
}
link.dataset.ivImgUrl = imageURL
return imageURL
},
async showInViewer(link) {
const {
container,
image: img,
imageThumbnail: thumbnail,
imageNumber,
} = elements
state.currentLink = link
if (state.isSingle) {
container.classList.add(CLASSES.single)
} else {
container.classList.remove(CLASSES.single)
imageNumber.textContent = (state.getCurrentLinkIndex() + 1).toString()
}
if (!state.isOpened) {
document.documentElement.classList.add(CLASSES.open)
state.isOpened = true
}
img.src = EMPTY_SRC
if (link.classList.contains(CLASSES.brokenImageIcon)) {
container.classList.add(CLASSES.brokenImageIcon)
return
}
container.classList.remove(CLASSES.brokenImageIcon)
container.classList.add(CLASSES.loading, CLASSES.loadingIcon)
const isSizeKnown = Boolean(link.dataset.ivWidth)
const thumbnailURL = link.dataset.ivThumbnail
const imageHost = link.dataset.ivHost
if (!thumbnailURL || !imageHost) {
throw new Error(
'[image-viewer] Either thumbnail URL or host is not set'
)
}
if (isSizeKnown) {
thumbnail.width = Number(link.dataset.ivWidth)
thumbnail.src = thumbnailURL
container.classList.add(CLASSES.thumbnail)
}
const imageURL = await image.getFullSizeURL(link)
if (!imageURL) {
return
}
try {
const extractor = urlExtractor.getExtractorByHost(imageHost)
if (extractor.viewMode === 'origin-download') {
img.src = await image.loadAsBlob(imageURL)
} else {
await image.preload(
imageURL,
isSizeKnown ? undefined : image.setThumbnailSize
)
img.src = imageURL
}
container.classList.remove(
CLASSES.thumbnail,
CLASSES.loading,
CLASSES.loadingIcon
)
setTimeout(image.hideThumbnail, TRANSITION_DURATION)
} catch {
link.classList.remove(CLASSES.imageLink)
image.markAsBroken(link)
link.setAttribute('target', '_blank')
}
},
preload(url, onSizeGet) {
return new Promise((resolve, reject) => {
const imageObject = new Image()
imageObject.addEventListener('load', () => resolve())
imageObject.addEventListener('error', reject)
imageObject.src = url
if (onSizeGet) {
image.getSize(imageObject).then(onSizeGet)
}
})
},
async loadAsBlob(url) {
const origin = new URL(url).origin
const response = await request({
url,
headers: {
referer: origin,
origin,
},
responseType: 'blob',
})
return URL.createObjectURL(response.response)
},
getSize(img) {
return new Promise((resolve) => {
const intervalId = setInterval(() => {
if (img.naturalWidth) {
clearInterval(intervalId)
resolve({ width: img.naturalWidth, isLoaded: img.complete })
}
}, 10)
})
},
setThumbnailSize({ width, isLoaded }) {
if (!state.currentLink) {
throw new Error('[image-viewer] currentLink is not set')
}
const thumbnailURL = state.currentLink.dataset.ivThumbnail
if (!thumbnailURL) {
throw new Error('[image-viewer] Thumbnail URL is not set')
}
elements.imageThumbnail.width = width
elements.imageThumbnail.src = thumbnailURL
if (!isLoaded) {
elements.container.classList.add(CLASSES.thumbnail)
}
state.currentLink.dataset.ivWidth = width.toString()
},
hideThumbnail() {
elements.imageThumbnail.removeAttribute('width')
elements.imageThumbnail.src = EMPTY_SRC
},
hide() {
document.documentElement.classList.remove(CLASSES.open)
state.isOpened = false
state.currentLink = undefined
elements.image.src = EMPTY_SRC
events.keyboard.unbind()
},
next() {
const currentIndex = state.getCurrentLinkIndex()
const newIndex =
currentIndex < state.getLastLinkIndex() ? currentIndex + 1 : 0
image.showInViewer(state.linksSet[newIndex])
},
previous() {
const currentIndex = state.getCurrentLinkIndex()
const newIndex =
currentIndex === 0 ? state.getLastLinkIndex() : currentIndex - 1
image.showInViewer(state.linksSet[newIndex])
},
toggleFullHeight() {
elements.container.classList.toggle(CLASSES.fullHeight)
elements.buttons.toggleFullHeight.classList.toggle(CLASSES.iconExpand)
elements.buttons.toggleFullHeight.classList.toggle(CLASSES.iconShrink)
},
markAsBroken(link) {
elements.container.classList.replace(
CLASSES.loadingIcon,
CLASSES.brokenImageIcon
)
elements.container.classList.remove(CLASSES.loading)
link.classList.replace(CLASSES.zoomIcon, CLASSES.brokenImageIcon)
link.setAttribute('title', '')
},
}
const events = {
openViewerLinkClick(event) {
event.preventDefault()
if (state.isFirstClick) {
create.viewContainer()
state.isFirstClick = false
}
const link = event.target
state.linksSet = $$(SELECTORS.imageLink, link.parentElement ?? undefined)
state.isSingle = state.linksSet.length === 1
if (!state.isSingle) {
elements.imageTotal.textContent = state.linksSet.length.toString()
}
events.keyboard.bind()
image.showInViewer(link)
},
async openInTabLinkClick(event) {
event.preventDefault()
const link = event.target
link.classList.replace(CLASSES.openInNewIcon, CLASSES.loadingIcon)
const imageURL = await image.getFullSizeURL(event.target)
link.classList.replace(CLASSES.loadingIcon, CLASSES.openInNewIcon)
if (imageURL) {
openInTab(imageURL, false)
}
},
keyboard: {
bind() {
document.addEventListener('keydown', events.keyboard.handler, true)
},
unbind() {
document.removeEventListener('keydown', events.keyboard.handler, true)
},
handler(event) {
if (event.defaultPrevented || event.repeat) {
return
}
switch (event.key) {
case 'ArrowRight': {
image.next()
break
}
case 'ArrowLeft': {
image.previous()
break
}
case 'Escape': {
image.hide()
break
}
case ' ': {
image.toggleFullHeight()
break
}
default: {
return
}
}
event.preventDefault()
},
},
mouse(event) {
switch (event.type) {
case 'mousedown': {
state.dragging = true
state.dragPosition = event.clientY
elements.image.classList.add(CLASSES.grabbing)
break
}
case 'mousemove': {
if (state.dragging) {
elements.imageContainer.scrollTop -=
event.clientY - state.dragPosition
state.dragPosition = event.clientY
}
break
}
case 'mouseup':
// fall through
case 'mouseout': {
state.dragging = false
elements.image.classList.remove(CLASSES.grabbing)
break
}
case 'dblclick': {
image.toggleFullHeight()
break
}
default: {
return
}
}
event.preventDefault()
},
}
const create = {
viewContainer() {
elements.container = $.create('div', {
className: 'iv-image-view iv-icon iv-icon--size-button',
contents: [
create.viewContainerHeader(),
create.viewContainerBody(),
create.viewContainerFooter(),
],
})
document.body.append(elements.container)
},
viewContainerBody() {
elements.image = $.create('img', {
className: 'iv-image',
events: {
'mousedown mouseup mousemove mouseout dblclick': events.mouse,
},
})
elements.imageThumbnail = $.create('img', {
className: 'iv-thumbnail',
})
elements.imageContainer = $.create('div', {
className: 'iv-image-view__body',
contents: [
{
tag: 'div',
className: 'iv-image-view__backdrop',
events: {
click: image.hide,
},
},
{
tag: 'div',
className: 'iv-thumbnail-wrapper',
contents: elements.imageThumbnail,
},
elements.image,
],
})
return elements.imageContainer
},
viewContainerHeader() {
elements.imageNumber = document.createElement('span')
elements.imageTotal = document.createElement('span')
const imageNumber = $.create('div', {
className: 'iv-image-view__number single-hide',
contents: [elements.imageNumber, '/', elements.imageTotal],
})
elements.buttons.close = create.toolbarButton(
'Close (Esc)',
'close',
image.hide
)
return {
tag: 'div',
className: 'iv-image-view__header-wrapper',
contents: {
tag: 'div',
className: 'iv-image-view__header',
contents: [imageNumber, elements.buttons.close],
},
}
},
viewContainerFooter() {
const buttons = elements.buttons
buttons.previous = create.toolbarButton(
'Previous (←)',
'previous',
image.previous,
'single-hide'
)
buttons.toggleFullHeight = create.toolbarButton(
'Toggle full height (Space)',
'expand',
image.toggleFullHeight
)
buttons.next = create.toolbarButton(
'Next (→)',
'next',
image.next,
'single-hide'
)
return {
tag: 'div',
className: 'iv-image-view__footer-wrapper',
contents: {
tag: 'div',
className: 'iv-image-view__footer',
contents: [buttons.previous, buttons.toggleFullHeight, buttons.next],
},
}
},
toolbarButton(title, icon, handler, className = '') {
return $.create('a', {
href: '#',
title,
className: `iv-icon-button iv-icon iv-icon--type-${icon} ${className}`,
events: {
click: (event) => {
event.preventDefault()
handler()
},
},
})
},
}
$.ready().then(async () => {
const hostConfig = await initHostConfig()
initViewer(hostConfig.enabledHosts)
})
})()
