Adds infinite scroll and inline expansion on the search page and artists' works pages. For manga mode a two-step expansion is used.
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// ==UserScript==
// @name Pixiv Infinite Scroll/Download Links
// @description Adds infinite scroll and inline expansion on the search page and artists' works pages. For manga mode a two-step expansion is used.
// @namespace https://github.com/an-electric-sheep/userscripts
// @match *://www.pixiv.net/search*
// @match *://www.pixiv.net/member_illust*
// @match *://www.pixiv.net/new_illust*
// @match *://www.pixiv.net/bookmark_new_illust*
// @require https://cdnjs.cloudflare.com/ajax/libs/jszip/2.4.0/jszip.js
// @version 0.6.1
// @grant GM_xmlhttpRequest
// @run-at document-start
// ==/UserScript==
"use strict";
function lift(f) {
return function(...args) {
f(this, ...args)
}
}
function Maybe(wrapped) {
if (typeof this !== "object" || Object.getPrototypeOf(this) !== Maybe.prototype) {
var o = Object.create(Maybe.prototype);
o.constructor.apply(o, arguments);
return o;
}
this.wrapped = wrapped;
}
Maybe.prototype.isEmpty = function(){return null == this.wrapped}
Maybe.prototype.orElse = function(other){return this.isEmpty() ? Maybe(other) : this}
Maybe.prototype.apply = function(f){if(!this.isEmpty()){f.apply(null, [this.wrapped].concat(Array.prototype.slice.call(arguments, 1)))};return this;}
Maybe.prototype.map = function(f){return this.isEmpty() ? this : Maybe(f.apply(null, [this.wrapped].concat(Array.prototype.slice.call(arguments,1))));}
Maybe.prototype.get = function(){return this.wrapped;}
// incomplete shim for older FF versions
if(!Array.hasOwnProperty("from")) {
Object.defineProperty(Array, "from", {
enumerable: false,
configurable: true,
value: function(e) {
return Array.prototype.slice.call(e)
}
});
}
if(!Array.prototype.hasOwnProperty("last")) {
Object.defineProperty(Array.prototype, 'last', {
enumerable: false,
configurable: true,
get: function() {
return this.length > 0 ? this[this.length - 1] : undefined;
},
set: undefined
});
}
Object.defineProperty(Function.prototype, "passThis", {value: function(){let f= this; return function(){f.apply(null, [this].concat(arguments))}}})
var styleAdded = false
function xpathAt(path, element){
var result = document.evaluate(path, element || document.documentElement, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null)
return result.singleNodeValue
}
const imgContainerSelector = "._image-items, .image-items, .display_works > ul";
document.addEventListener("DOMContentLoaded", function() {
for(var e of document.querySelectorAll("iframe, .ad-printservice, .popular-introduction")){e.remove()}
window.addEventListener("scroll", NextPageHandler.checkAll)
window.addEventListener("resize", NextPageHandler.checkAll)
window.requestAnimationFrame(AnimatedCanvas.updateAll)
for(var e of document.querySelectorAll(".image-item")){customizeImageItem(e)}
Maybe(Array.from(document.querySelectorAll(".pager-container")).last).apply(paginator => {
Maybe(document.querySelector(".image-item:last-child")).apply(lastItem => {
var trigger = new NextPageHandler(lastItem)
trigger.paginator = paginator
trigger.url = paginator.querySelector("a[rel=next]").href
})
})
NextPageHandler.checkAll();
mediumPageHandler();
})
function insertStyle() {
if(styleAdded)
return;
// wait until the parser is done with <head>
if(!(document.querySelector("body"))) {
window.requestAnimationFrame(insertStyle);
return;
}
Maybe(document.querySelector("head")).map(head => head.appendChild(document.createElement("style")).sheet).apply(sheet => {
Array(
// global
"#wrapper {width: unset;}",
".userscript-error {background-color: rgb(200,0,0); color: black;position: sticky;z-index: 2;width: 100%;text-align:center; padding: 2px; color: white; font-weight: bold;}",
// search page
".layout-body {width: 85vw;}",
// member page
".layout-a {width: unset;}",
".layout-a .layout-column-2 {width: calc(100vw - 190px);}",
// member works list
".display_works {width: unset;}",
".display_works .image-item {float: none; }",
// member illust page
".works_display {width: unset;}",
".works_display img, .works_display ._layout-thumbnail {max-width: -moz-available; max-width: available}",
// search and member works list
"._image-items, .image-items, .display_works > ul {display: flex;flex-wrap: wrap;}",
".image-item img {padding: 0px; border: none;}",
".inline-expandable {cursor: pointer;}",
".image-item.expanded {width: 100%; height: unset;}",
".image-item.expanded .image-item-main {max-width: 80%; }",
".inline-expandable img {max-width: 100%; }",
".image-item.expanded img.manga, .image-item.expanded canvas {max-width: -moz-available; max-width: available;}",
".manga-item {background-color: #f3f3f3 !important;}",
".image-item img.manga-medium {max-width: 156px; max-height: 230px; cursor: pointer;}",
// animated content inlined in the search page
".exploded-animation-scroller {overflow-x: auto; width: 100%; margin: 5px 0px; box-shadow: 0px 0px 4px 1px #444;}",
".exploded-animation {display: flex; width: -moz-fit-content; width: fit-content; }",
".exploded-animation img {margin-left: 5px;}",
".has-extended-info {display: flex; flex-wrap: wrap; justify-content: center; min-width: 342px; width: unset; height: unset;}",
".extended-info {margin-left: 0.8em;}",
".extended-info > * {margin-bottom: 1em; text-align: left; }",
".extended-info .tags .tag {float: unset; text-align: left; height: unset; width: unset; border: unset; padding: unset; background: unset; display: list-item; margin: 0px;}",
"._layout-thumbnail:after {pointer-events: none;}"
).reverse().forEach(r => sheet.insertRule(r,0))
styleAdded = true
});
}
// attempt to insert immediately
insertStyle()
function apiGet(urlSuffix) {
return new Promise((resolve, reject) => {
let session = document.cookie.match(/PHPSESSID=([^;]+);/)[1]
let url = "http://spapi.pixiv.net/iphone/" + urlSuffix + "&PHPSESSID=" + session
GM_xmlhttpRequest({
method: "GET",
url: url,
headers: {
"Referer": document.location.href
},
onerror: function() {
reject("api request " + url + " failed. are you logged in?")
},
onload: function(response) {
let rawLines = response.responseText.replace(/\n$/,"").split("\n");
let lines = []
for(let j=0;j<rawLines.length;j++) {
let raw = rawLines[j]
let data = []
let stringStart = -1
let quotedString = false
// tokenizer loop
for(let i=0;i<raw.length;i++) {
if(quotedString === false) {
if(raw[i] === ",") {
if(stringStart !== -1)
data.push(raw.substring(stringStart,i-1))
else
data.push(null)
stringStart = -1
}
if(raw[i] === '"') {
quotedString = true
stringStart = i+1
}
} else {
// assume that ", ends a quoted string
// TODO: figure out proper escaping of quotes.
// quotes are escaped as two consequtive quotes, i.e. ""
// e.g. query info for http://www.pixiv.net/member_illust.php?mode=medium&illust_id=43499240
if(raw[i] === '"' && (i+1 === raw.length || raw[i+1] === ","))
quotedString = false
}
}
lines.push(data)
}
resolve(lines)
}
})
})
}
function mediumPageHandler() {
var modeLink = document.querySelector('.works_display a[href*="mode"]')
if(!modeLink)
return;
var modeLinkUrl = modeLink.href
var mode = modeLinkUrl.match(/mode=(.+?)&/)[1]
var mediumSrc = modeLink.querySelector("img").src
var container = modeLink.parentNode;
modeLink.addEventListener("click",(e) => {
e.preventDefault();
if(greasedImageItems.has(modeLink))
return;
greasedImageItems.set(modeLink, true)
if(mode == "big") {
insertBigItem(container, mediumSrc, modeLink, window.location.href)
}
if(mode == "manga"){
insertMangaItems(container, modeLinkUrl)
}
})
}
function NextPageHandler(e) {
if(!e)
throw "element required";
this.element = e;
NextPageHandler.paginationTriggers.add(this)
}
NextPageHandler.paginationTriggers = new Set()
NextPageHandler.checkAll = function() {
NextPageHandler.paginationTriggers.forEach(e => e.tryLoad())
}
NextPageHandler.prototype.tryLoad = function(){
if(this.loading || !this.url || !inViewport(this.element))
return;
this.loading = true
var req = new XMLHttpRequest();
req.open("get", this.url)
req.onabort = () => this.loading = false
req.onerror = () => this.loading = false
req.onload = () => {
var rsp = req.responseXML;
var nextItem = this.element.nextSibling;
var container = this.element.parentNode;
var newPaginator = rsp.querySelector(".pager-container")
var newItems = Array.from(rsp.querySelectorAll(".image-item"))
var lastItem = newItems.map(e => {
var imageItem = document.importNode(e, true)
container.insertBefore(imageItem, nextItem)
customizeImageItem(imageItem)
return imageItem
}).last
if(lastItem)
Maybe(newPaginator.querySelector("a[rel=next]")).map(e => e.href).apply(url => {
var nextHandler = new NextPageHandler(lastItem)
nextHandler.url = url
nextHandler.paginator = this.paginator
})
if(this.paginator) {
while(this.paginator.hasChildNodes())
this.paginator.firstChild.remove()
Array.from(newPaginator.childNodes).forEach(e => this.paginator.appendChild(document.importNode(e, true)))
}
this.destroy()
this.loading = false
NextPageHandler.checkAll();
}
req.responseType = "document"
req.send()
}
NextPageHandler.prototype.destroy = function(){NextPageHandler.paginationTriggers.delete(this)}
function inViewport (el) {
var rect = el.getBoundingClientRect();
return (
rect.bottom >= 0 &&
rect.right >= 0 &&
rect.top <= (window.innerHeight || document.documentElement.clientHeight) &&
rect.left <= (window.innerWidth || document.documentElement.clientWidth)
);
}
function MangaItem(container, insertBefore, mediumUrl) {
this.thumbSrc = mediumUrl
// unless the API resolves the file type for us we have to try all possible extensions
this.extensions = ["jpg", "png", "gif"]
let item = this.item = document.createElement("li")
item.className = "image-item manga-item"
let img = this.img = document.createElement("img")
img.src = mediumUrl
img.className = "manga-medium"
img.addEventListener("click", () => this.expand())
item.appendChild(img)
container.insertBefore(item, insertBefore)
}
MangaItem.prototype = {
expand: function() {
let mediumSrc = this.img.src
let newImg = document.createElement("img")
newImg.className = "manga"
if(/\/img-master\//.test(mediumSrc)) {
// new image format
// test with http://www.pixiv.net/member_illust.php?mode=medium&illust_id=46288162
mediumSrc = mediumSrc.replace(/\/c\/\d+x\d+\/img-master\//, "/img-original/");
mediumSrc = mediumSrc.replace(/_master1200\./, ".");
} else {
// old image format
// test with http://www.pixiv.net/member_illust.php?mode=medium&illust_id=43499240
mediumSrc = mediumSrc.replace(/_p(\d+)\./, "_big_p$1.")
}
// mobile API image format
// test with http://www.pixiv.net/member_illust.php?mode=medium&illust_id=47204793
mediumSrc = mediumSrc.replace(/mobile\//, "")
mediumSrc = mediumSrc.replace(/_480mw/, "")
// first extension
let ext = "." + this.extensions.shift()
let withExtension = mediumSrc.replace(/\.jpg$/, ext)
newImg.addEventListener("load", () => this.insertExpanded(newImg))
newImg.addEventListener("error", () => {
if(this.extensions.length > 0) {
let fallbackExt = "." + this.extensions.shift()
newImg.src = mediumSrc.replace(/\.jpg$/, fallbackExt)
} else {
// todo: load big page as fallback
reportError("couldn't find big image based on manga thumbnail "+ this.thumbSrc + " tried " + withExtension)
}
})
newImg.src = withExtension;
},
insertExpanded: function(expandedImg) {
this.img.parentNode.replaceChild(expandedImg,this.img)
this.item.classList.add("expanded")
}
}
function insertMangaItems(parentItem,url) {
let id = url.match(/illust_id=(\d+)/)[1]
let nextItem = parentItem.nextSibling
let container = parentItem.parentNode
apiGet("manga.php?illust_id="+id)
.then(apiData => {
for(let entry of apiData) {
let thumbUrl = entry[9]
let extension = entry[2]
let item = new MangaItem(container, nextItem, thumbUrl)
item.extensions = [extension]
}
}).catch(ex => new Promise((resolve, reject) => {
let req = new XMLHttpRequest()
req.open("get", url)
req.onload = function() {
let rsp = this.responseXML
let items = rsp.querySelectorAll(".item-container")
if(items.length < 1)
reject("no manga items found for " + url)
else
resolve(null)
for(let e of items) {
let mediumImg = e.querySelector(".image")
let item = new MangaItem(container, nextItem, mediumImg.dataset.src)
item.bigUrl = e.querySelector(".full-size-container").href
}
}
req.onerror = () => {
reject("failed to load " + url)
}
req.responseType = "document"
req.send()
})).catch(ex => {
reportError(ex)
})
}
function AnimatedCanvas(frames) {
this.frames = frames
this.currentFrame = 0
this.canvas = document.createElement("canvas")
this.canvas.setAttribute("width", frames[0].img.naturalWidth)
this.canvas.setAttribute("height", frames[0].img.naturalHeight)
this.ctx = this.canvas.getContext("2d")
this.ctx.drawImage(frames[0].img, 0, 0)
this.timestamp = null
AnimatedCanvas.instances.add(this)
}
AnimatedCanvas.prototype.update = function(timestamp) {
if(!inViewport(this.canvas))
return;
if(!this.timestamp){
this.timestamp = timestamp
return;
}
if(timestamp - this.timestamp > this.frames[this.currentFrame].delay)
{
this.timestamp = timestamp
this.currentFrame = (this.currentFrame + 1) % this.frames.length;
this.ctx.drawImage(this.frames[this.currentFrame].img, 0, 0)
}
}
AnimatedCanvas.instances = new Set();
AnimatedCanvas.updateAll = function(timestamp) {
AnimatedCanvas.instances.forEach(i => i.update(timestamp))
window.requestAnimationFrame(AnimatedCanvas.updateAll)
}
function insertAnimationItems(imageItem, mediumDoc) {
let container = imageItem.container
var script = mediumDoc.querySelector("#wrapper script")
console.log(script.firstChild.data)
// it's not a strong sandbox. it just avoids the loaded script writing to the main window
var sandbox = document.createElement("iframe")
//sandbox.src = window.location.href
sandbox.seamless = true
sandbox.setAttribute("srcdoc", "<!DOCTYPE html><html><head><script>window.pixiv = {context: {}}</script><script>"+ script.firstChild.data +"</script></head></html>")
sandbox.onload = () => {
let sandboxWindow = sandbox.contentWindow
// access unsafe window to read data structure created by the script
if(sandboxWindow.wrappedJSObject)
sandboxWindow = sandboxWindow.wrappedJSObject
// sanitize via json encode/decode
var pixivContext = JSON.parse(JSON.stringify(sandboxWindow.pixiv.context))
let illustData = pixivContext.ugokuIllustFullscreenData
var req = new XMLHttpRequest
req.open("get", illustData.src)
req.responseType = "arraybuffer"
req.onload = function () {
var buffer = this.response
var zip = new JSZip(buffer)
var downloadLink = document.createElement("a")
downloadLink.innerHTML = downloadLink.download = pixivContext.illustId + ".zip"
downloadLink.className = "animation-download";
var downloadInfo = document.createElement("div");
downloadInfo.className = "animated-item-download";
Array(
document.createTextNode("Download: "),
downloadLink,
document.createElement("br"),
document.createTextNode("pixiv2webm and pixiv2gif available "),
Maybe(document.createElement("a")).apply(e => {e.href = "https://github.com/an-electric-sheep/userscripts"; e.innerHTML = "on github"}).get()
).forEach(e => downloadInfo.appendChild(e))
container.querySelector(".extended-info").appendChild(downloadInfo)
var scrollContainer = document.createElement("div")
var explodedAnimation = document.createElement("div")
scrollContainer.className = "exploded-animation-scroller"
explodedAnimation.className = "exploded-animation"
scrollContainer.appendChild(explodedAnimation)
container.appendChild(scrollContainer)
var timingInformation = []
var frames = []
for(var name in zip.files){
let file = zip.file(name)
let imgBuf = file.asArrayBuffer()
let imgBlob = new Blob([imgBuf])
let img = document.createElement("img")
let delay = illustData.frames.find((e) => e.file == name).delay
img.src = URL.createObjectURL(imgBlob)
frames.push({"img": img, "delay": delay})
timingInformation.push(file.name + "\t" + delay)
explodedAnimation.appendChild(img)
}
container.classList.add("expanded")
frames[0].img.onload = () => {
let animation = new AnimatedCanvas(frames)
imageItem.mainPanel.insertBefore(animation.canvas, imageItem.mainPanel.firstChild)
imageItem.image.remove()
}
zip.file("frame_delays.txt", timingInformation.join("\n"))
downloadLink.href = URL.createObjectURL(zip.generate({type: "blob"}))
sandbox.remove();
}
req.send()
}
document.body.appendChild(sandbox)
}
function insertItemTags(container, responseDoc) {
var tags = document.importNode(responseDoc.querySelector(".tags"), true)
container.querySelector(".extended-info").appendChild(tags)
container.classList.add("has-extended-info")
}
function insertBigItem(container, mediumSrc, bigLinkUrl, mediumLinkUrl) {
let newImg = document.createElement("img")
let curImg = container.querySelector("img")
newImg.setAttribute("class", curImg.getAttribute("class"))
if(mediumSrc.match(/_m\./)) {
// old format, just derive big url from medium url
newImg.src = mediumSrc.replace("_m.", ".");
} else {
// new/complex format, e.g. http://www.pixiv.net/member_illust.php?mode=medium&illust_id=46204420
// requires a full "mode=big" request to determine the correct img uri
GM_xmlhttpRequest({
method: "GET",
url: bigLinkUrl,
headers: {
// we are only allowed to load the mode=big page when referer is mode=medium
"Referer": mediumLinkUrl
},
onerror: function() {
console.log("big mode load error")
},
onload: function(response) {
console.log("complex load")
let rsp = response.responseXML;
// Inject responseXML into existing Object (only appropriate for XML content).
if (!response.responseXML) {
rsp = new DOMParser().parseFromString(response.responseText, "text/html");
}
newImg.src = rsp.querySelector("img").src
}
});
}
newImg.addEventListener("load", () => {curImg.parentNode.replaceChild(newImg, curImg);container.classList.add("expanded")})
newImg.addEventListener("error", () => {
reportError("failed to load big image for " + mediumSrc)
})
}
const greasedImageItems = new WeakMap();
function customizeImageItem(itemElement) {
if(greasedImageItems.has(itemElement))
return;
let wrapper = new ImageItem(itemElement)
greasedImageItems.set(itemElement, wrapper);
}
function ImageItem(item) {
let workLink = this.workLink = item.querySelector("a.work")
this.container = item
let mainInfoContainer = document.createElement("div")
this.mainPanel = mainInfoContainer
let expandedInfo = document.createElement("aside")
// transplant everything as-is from the image item into the new wrapper
while(item.hasChildNodes())
mainInfoContainer.appendChild(item.firstChild)
item.appendChild(mainInfoContainer)
item.appendChild(expandedInfo)
mainInfoContainer.className = "image-item-main"
mainInfoContainer.classList.add("inline-expandable")
this.image.addEventListener("click", (e) => {
this.listItemExpand()
// img is wrapped in a link, don't follow the link when the user clicks on it
if(e.button === 0) {
e.preventDefault()
e.stopPropagation()
}
})
expandedInfo.className = "extended-info"
}
ImageItem.prototype = {
get image() {
return this.workLink.querySelector("img")
},
listItemExpand: function() {
if(this.expanded)
return;
this.expanded = true
let container = this.container;
while(!container.classList.contains("image-item"))
container = container.parentNode;
let mediumLink = this.workLink.href
let req = new XMLHttpRequest()
req.open("get", mediumLink)
req.onerror = () => {
this.expanded = false
reportError("could not fetch medium page for item "+ this.workLink)
}
req.onload = lift((response) => {
let rsp = response.responseXML;
let success = false
insertItemTags(container, rsp)
if(rsp.querySelector("._ugoku-illust-player-container")) {
insertAnimationItems(this, rsp)
success = true
}
Maybe(rsp.querySelector('.works_display a[href*="mode"]')).apply((modeLink) => {
let modeLinkUrl = modeLink.href
let mediumSrc = modeLink.querySelector("img").src
let mode = modeLinkUrl.match(/mode=(.+?)&/)[1]
if(mode === "big") {
insertBigItem(container, mediumSrc, modeLinkUrl, mediumLink)
success = true
}
if(mode === "manga"){
insertMangaItems(container, modeLinkUrl)
success = true
}
})
Maybe(rsp.querySelector(".works_display .big, .original-image")).apply(big => {
let newImg = document.createElement("img")
newImg.addEventListener("load", () => {
let oldImg = container.querySelector("img")
oldImg.remove()
this.mainPanel.insertBefore(newImg, this.mainPanel.firstChild)
container.classList.add("expanded")
})
newImg.addEventListener("error", () => {
reportError("could not load image: " + newImg.src)
})
newImg.src = big.dataset.src
// assume success, report other errors async
success = true
})
if(!success) {
reportError("failed to find data to expand "+ this.workLink)
}
})
req.responseType = "document"
req.send()
}
}
function reportError(msg){
let body = document.body
let div = document.createElement("div")
div.textContent = msg
div.className = "userscript-error"
div.addEventListener("click", (e) => {
if(e.target === div)
div.remove()
})
body.insertBefore(div, body.firstChild)
}