View full image without leaving the page
目前为
// ==UserScript==
// @name Image Viewer
// @version 1.2.0
// @description View full image without leaving the page
// @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 imagebam.com
// @connect imagevenue.com
// @connect www.turboimagehost.com
// @connect fastpic.ru
// @connect fastpic.org
// @connect radikal.ru
// @connect imagetwist.com
// @noframes
// @run-at document-start
// @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
// ==/UserScript==
;(function () {
/* global Bliss */
// eslint-disable-next-line
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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?`)
}
}
const 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
}
const request = getGM4PolyfilledMethod('GM_xmlhttpRequest')
const store = {
get: getGM4PolyfilledMethod('GM_getValue'),
set: getGM4PolyfilledMethod('GM_setValue'),
async patch(name, value) {
const oldValue = await store.get(name)
store.set(name, {
...oldValue,
...value,
})
},
}
const registerMenuCommand = getGM4PolyfilledMethod('GM_registerMenuCommand')
async function getURLFromPage(link, extractor) {
const html = await getPageHtml(link.url)
const match = extractor.imageURLRegExp?.exec(html)
let url
if (match) {
url = match.groups ? match.groups.url : match[1]
}
if (!url) {
console.warn(`[image-viewer] Unable to get URL from page ${link.url}`)
}
return url
}
async function getPageHtml(pageURL) {
const response = await request({ url: pageURL })
return response.responseText
}
const fastpic = {
name: 'FastPic',
linkRegExp: /^http.?:\/\/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 = {
name: 'FastPic (direct link)',
linkRegExp: /fastpic\.(?:ru|org)\/big/,
async getURL(link) {
let hostLink = link.url
if (hostLink.includes('?')) {
const urlObject = new URL(hostLink)
const parameters = new URLSearchParams(urlObject.search)
for (const parameter of parameters.values()) {
if (fastpicDirect.linkRegExp.test(parameter)) {
hostLink = parameter
break
}
}
}
const [, index, domain, date, filename] =
URL_PARTS_REGEXP.exec(hostLink) || []
const url = `https://fastpic.${domain}/view/${index}${date}${filename}.html`
return fastpic.getURL({ ...link, url }, fastpic)
},
}
const imagebam = {
name: 'ImageBam',
linkRegExp: /^http:\/\/www\.imagebam\.com\/image/,
imageURLRegExp: /src="(?<url>[^"]+)".+class="main-image/,
getURL: getURLFromPage,
}
const DATE_PATTERN = /(\d{4})\.(\d{2})\.(\d{2})/
const 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 = {
name: 'ImageBan.ru (direct link)',
linkRegExp: /imageban\.ru\/out/,
async getURL(link) {
return link.url
},
}
const imagetwist = {
name: 'ImageTwist',
linkRegExp: /imagetwist\.com/,
hotLinkingDisabled: true,
async getURL(link) {
const imageName = link.url.split('/').pop()?.replace('.html', '')
const extension = imageName?.split('.').pop()
const imageUrl = link.thumbnailURL
.replace('/th/', '/i/')
.slice(0, -(extension?.length ?? 0))
return `${imageUrl}${extension}/${imageName}`
},
}
const HOST_REPLACE_REG_EXP = /(picturelol|picshick|imageshimage)/
const imagetwistBased = {
name: 'ImageTwist based (legacy)',
hosts: ['Picturelol.com', 'PicShick.com', 'Imageshimage.com'],
linkRegExp: /^https?:\/\/(picturelol|picshick|imageshimage)\.com/,
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 imagevenueLegacy = {
name: 'ImageVenue.com',
linkRegExp: /(imagevenue.com\/img.php|www.imagevenue.com\/\\w+$)/,
imageURLRegExp: /data-toggle="full">\W*<img src="(?<url>[^"]*)/im,
getURL: getURLFromPage,
}
const imgadult = {
name: 'ImgAdult.com',
linkRegExp: /^https:\/\/imgadult\.com/,
async getURL(link) {
return link.thumbnailURL.replace('/small/', '/big/')
},
}
const imgbb = {
name: 'imgbb.com',
linkRegExp: /^https:\/\/ibb\.co/,
async getURL(link) {
return link.thumbnailURL.replace('//thumb', '//image')
},
}
const imgbox = {
name: 'imgbox.com',
linkRegExp: /^https?:\/\/imgbox\.com/,
async getURL(link) {
return link.thumbnailURL.replace('/thumbs', '/images').replace('_t', '_o')
},
}
const imgbum = {
name: 'imgbum.net',
linkRegExp: /^http:\/\/imgbum\.net/,
async getURL(link) {
return link.thumbnailURL.replace('-thumb', '')
},
}
const imgchilibum = {
name: 'imgchilibum.ru',
linkRegExp: /^http:\/\/imgchilibum\.ru\/v/,
async getURL(link) {
return link.thumbnailURL.replace('_s/', '_b/')
},
}
const imgdrive = {
name: 'ImgDrive.net',
linkRegExp: /^https:\/\/imgdrive\.net/,
async getURL(link) {
return link.thumbnailURL.replace('small', 'big')
},
}
const imgtaxi = {
name: 'imgtaxi.com',
linkRegExp: /^https:\/\/imgtaxi\.com/,
async getURL(link) {
return link.thumbnailURL
.replace('/small/', '/big/')
.replace('/small-medium/', '/big/')
},
}
const imx = {
name: 'IMX.to',
linkRegExp: /^https:\/\/imx\.to/,
async getURL(link) {
return link.thumbnailURL.replace('/imx', '/i.imx').replace('/u/t/', '/i/')
},
}
const lostpic = {
name: 'Lostpic.net',
linkRegExp: /^http:\/\/lostpic\.net/,
async getURL(link) {
return link.thumbnailURL.replace('.th', '').replace('http:', 'https:')
},
}
const moneyPic = {
name: 'money-pic.ru',
linkRegExp: /^http:\/\/money-pic\.ru/,
async getURL(link) {
return link.thumbnailURL.replace('-thumb', '')
},
}
const nikapic = {
name: 'nikapic.ru',
linkRegExp: /^http:\/\/nikapic\.ru/,
async getURL(link) {
return link.thumbnailURL.replace('/small/', '/big/')
},
}
const picage = {
name: 'picage.ru',
linkRegExp: /^http:\/\/picage\.ru/,
async getURL(link) {
return link.thumbnailURL
.replace('picage', 'pic4you')
.replace('-thumb', '')
},
}
const piccash = {
name: 'PicCash.net',
linkRegExp: /^http:\/\/piccash\.net\//,
async getURL(link) {
return link.thumbnailURL.replace('_thumb', '_full').replace('-thumb', '')
},
}
const picforall = {
name: 'PicForAll.ru',
hosts: [
'freescreens.ru',
'imgclick.ru',
'picclick.ru',
'payforpic.ru',
'picforall.ru',
'imgbase.ru',
],
linkRegExp:
/^http:\/\/(freescreens\.ru|imgclick\.ru|picclick\.ru|payforpic\.ru|picforall\.ru)/,
async getURL(link) {
return link.thumbnailURL.replace('-thumb', '')
},
}
const HOST_REPLACE_REG_EX =
/(iceimg\.net|pixsense\.net|vestimage\.site|chaosimg\.site)/
const pixsense = {
name: 'PixSense',
hosts: [
'www.iceimg.net',
'www.pixsense.net',
'www.vestimage.site',
'www.chaosimg.site',
],
linkRegExp:
/^http:\/\/www\.(iceimg\.net|pixsense\.net|vestimage\.site|chaosimg\.site)/,
async getURL(link) {
return link.thumbnailURL
.replace(HOST_REPLACE_REG_EX, 'fortstore.net')
.replace('small-', '')
.replace('/small/', '/big/')
},
}
const radikal = {
name: 'Radikal.ru',
linkRegExp: /https?:\/\/.\.radikal\.ru\//,
async getURL(link) {
return link.url
},
}
const radikalLegacy = {
name: 'Radikal.ru (legacy)',
linkRegExp: /^http:\/\/radikal\.ru\//,
imageURLRegExp: /id="imgFullSize" src="(?<url>[^"]+)"/,
getURL: getURLFromPage,
}
const stuffed = {
name: 'stuffed.ru',
linkRegExp: /^http:\/\/stuffed\.ru/,
async getURL(link) {
return link.thumbnailURL.replace('-thumb', '')
},
}
const turboimagehost = {
name: 'TurboImageHost',
linkRegExp: /^https:\/\/www\.turboimagehost\.com\/p/,
imageURLRegExp: /property="og:image" content="([^"]*)"/,
getURL: getURLFromPage,
}
const vfl = {
name: 'VFL.ru',
linkRegExp: /^http:\/\/vfl\.ru/,
async getURL(link) {
return link.thumbnailURL.replace('_s', '')
},
}
const xxxscreens = {
name: 'XXXScreens.com',
linkRegExp: /^http:\/\/xxxscreens\.com/,
async getURL(link) {
return link.thumbnailURL.replace('small/', 'big/')
},
}
const hostExtractors = /* #__PURE__ */ Object.freeze({
__proto__: null,
fastpic,
fastpicDirect,
imagebam,
imageban,
imagebanDirect,
imagetwist,
imagetwistBased,
imagevenueLegacy,
imgadult,
imgbb,
imgbox,
imgbum,
imgchilibum,
imgdrive,
imgtaxi,
imx,
lostpic,
moneyPic,
nikapic,
picage,
piccash,
picforall,
pixsense,
radikal,
radikalLegacy,
stuffed,
turboimagehost,
vfl,
xxxscreens,
})
let extractorsActive = []
const extractors = Object.values(hostExtractors).filter(Boolean)
const extractorsByName = extractors.reduce((result, extractor) => {
result[extractor.name] = extractor
return result
}, {})
const urlExtractor = {
getImageHostsMetadata() {
const result = extractors.map(({ name, hosts }) => ({
name,
description: hosts ? hosts.join(', ') : '',
}))
return sortCaseInsensitive(result, ({ name }) => name)
},
getImageURL(link) {
const extractor = extractorsByName[link.host]
return extractor.getURL(link, extractor)
},
isHotLinkingDisabled(host) {
return extractorsByName[host].hotLinkingDisabled ?? false
},
getHostNameMatcher(enabledHosts) {
extractorsActive = extractors.filter((extractor) =>
enabledHosts.includes(extractor.name)
)
let previousExtractor
return (url) => {
if (previousExtractor && previousExtractor.linkRegExp.test(url)) {
return previousExtractor.name
}
const extractor = extractorsActive.find((extractor) =>
extractor.linkRegExp.test(url)
)
if (extractor) {
previousExtractor = extractor
return extractor.name
}
}
},
}
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.get(currentHost, { hosts: {} })
const enabledHosts = []
for (const host of hosts) {
const id = host.name
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.name] = 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.name,
},
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.set(currentHost, config)
}
const css_248z =
"@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-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 rgba(0,0,0,.2);box-shadow:1px 1px 3px rgba(0,0,0,.5);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:rgba(0,0,0,.5);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:rgba(0,0,0,.2);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:rgba(0,0,0,.8);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:rgba(0,0,0,.8);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 rgba(0,0,0,.7)}.iv-image-view__footer-wrapper{box-shadow:0 -3px 7px rgba(0,0,0,.7)}.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:rgba(0,0,0,.8)}.iv-image-view__body::-webkit-scrollbar-track{background-color:hsla(0,0%,100%,.8)}.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:hsla(0,0%,100%,.1)}.iv-icon-button--active,.iv-icon-button:active{background-color:hsla(0,0%,100%,.2)}.iv-config-form{background-color:rgba(0,0,0,.85);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:hsla(0,0%,100%,.15)}.iv-config-form__checkbox{margin:0 5px 0 0!important}"
const CLASSES = {
imageLink: 'js-image-link',
imageLinkZoom: 'iv-icon--type-zoom',
imageLinkHover: 'iv-icon--hover',
brokenImage: '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}`,
}
const EMPTY_SRC =
'data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEAAAAALAAAAAABAAEAAAI='
const TRANSITION_DURATION = 350
function initViewer(enabledHosts) {
addStyle(css_248z)
const container = $('body')
const linkClasses = [
CLASSES.imageLink,
'iv-image-link',
'iv-icon',
'iv-icon--hover',
CLASSES.imageLinkZoom,
'iv-icon--size-button',
]
const getHostName = urlExtractor.getHostNameMatcher(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 hostName = getHostName(link.href)
if (hostName) {
link.dataset.ivHost = hostName
link.dataset.ivThumbnail = thumbnailUrl
link.classList.add(...linkClasses)
}
}
$.delegate(container, 'click', SELECTORS.imageLink, events.linkClick)
}
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 show(link) {
const container = elements.container
const img = elements.image
const thumbnail = elements.imageThumbnail
state.currentLink = link
if (state.isSingle) {
container.classList.add(CLASSES.single)
} else {
container.classList.remove(CLASSES.single)
elements.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.brokenImage)) {
container.classList.add(CLASSES.brokenImage)
return
}
container.classList.remove(CLASSES.brokenImage)
container.classList.add(CLASSES.loading, CLASSES.loadingIcon)
const isSizeKnown = !!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)
}
let imageURL = link.dataset.ivImgUrl
if (!imageURL) {
imageURL = await urlExtractor.getImageURL({
url: link.href,
thumbnailURL,
host: imageHost,
})
if (!imageURL) {
image.markAsBroken(link)
return
}
link.dataset.ivImgUrl = imageURL
}
try {
if (urlExtractor.isHotLinkingDisabled(imageHost)) {
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)
$.attributes(link, { 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 response = await request({
url,
headers: { referer: url, origin: url },
responseType: 'blob',
})
return window.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.show(state.linksSet[newIndex])
},
previous() {
const currentIndex = state.getCurrentLinkIndex()
const newIndex =
currentIndex === 0 ? state.getLastLinkIndex() : currentIndex - 1
image.show(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.brokenImage
)
elements.container.classList.remove(CLASSES.loading)
link.classList.replace(CLASSES.imageLinkZoom, CLASSES.brokenImage)
},
}
const events = {
linkClick(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.show(link)
},
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)
})
})()
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