Add modal Image to rule34
Versione datata
// ==UserScript==
// @name Modal Image in rule
// @namespace http://tampermonkey.net/
// @version 4.5
// @description Add modal Image to rule34
// @author falaz
// @match https://rule34.xxx/index.php?page=po*
// @icon https://www.google.com/s2/favicons?domain=rule34.xxx
// @grant none
// ==/UserScript==
// @ts-check
class Falaz {
/**
* Like querySelector, but small
* @param {String} selector
* @param {Element|Document} element
* @returns {HTMLElement}
*/
q(selector, element = document) {
return element.querySelector(selector);
}
/**
* Like querySelectorAll, but small
* @param {String} selector
* @param {Element|Document} element
* @returns
*/
qa(selector, element = document) {
return element.querySelectorAll(selector);
}
}
class Modal {
constructor(document, dp) {
this.pointer = 0;
this.dp = dp;
this.infinityScroll = new InfinityScroll(document, dp);
this.createModalNode(document);
/**
* @property {Media[]} medias
*/
this.medias = this.infinityScroll.getMedias(document, 0);
}
createModalNode(document) {
const div = document.createElement("div");
const css = document.createElement("style");
div.innerHTML =
'<div id="modal-container" style="display:none"><div id="modal"></div></div>';
css.innerHTML =
"#modal-container{background: #000000a8;width: 100%;height: 100%;position: fixed;z-index: 10;}" +
"#modal{height: 90%;width: 80%;background: transparent;padding: 0% 5%;margin: 2% 5% 2% 0;position: fixed}" +
"#modal img{width: auto;border: none;vertical-align: middle;height: 100%;margin 0 auto;display:block;}" +
"#modal video{width: 100%;height:100%}";
document.body.prepend(div);
document.head.prepend(css);
this.modalContainer = F.q("#modal-container");
this.modal = F.q("#modal");
this.infinityScroll.nextPage =this.infinityScroll.getNextPageHref(document);
}
/**
* @param {Media} media
*/
async render(media) {
if (!this.modalContainer) {
this.createModalNode(document);
}
if (media.src == "Retry") {
await this.reloadMediaSrc(media);
}
if (media.type == "video") {
this.modal.innerHTML = `<video src="${media.src}" autoplay controls loop></video>`;
} else {
this.modal.innerHTML = `<img src="${media.src}"/>`;
}
this.modalContainer.style.display = "block";
}
async getNextPage() {
if (!this.infinityScroll.nextSended) {
this.infinityScroll.nextSended = true;
const docResponse = await this.infinityScroll.getNextPage();
if (docResponse) {
const medias = this.infinityScroll.getMedias(
docResponse,
this.medias.length
);
console.log('medias to add');
console.log(medias);
this.addMedias(medias);
this.infinityScroll.nextSended = false;
}else{
console.log('The page requested is on the medias');
}
}
}
close() {
if (!this.modalContainer) {
this.createModalNode(document);
}
try {
this.modal.querySelector("video").pause();
} catch (e) {}
this.modalContainer.style.display = "none";
}
nextMedia() {
if (this.pointer < this.medias.length - 1) {
this.pointer++;
this.render(this.medias[this.pointer]);
} else {
console.error("Reach the end of the medias");
}
// // Get New medias from the next page
// // @todo add to the current page.
// comment because the idea is scrolling with tapping the next button
// if(this.pointer > this.medias.length -5 && !this.nextSended){
// this.nextSended= true;
// this.getNextPage();
// }
}
prevMedia() {
if (this.pointer > 0) {
this.pointer--;
this.render(this.medias[this.pointer]);
} else {
console.error("Reach the end of the medias");
}
}
/**
*
* @param {Media[]} medias
*/
addMedias(medias) {
const mediasTemp = [...this.medias, ...medias];
// @ts-ignore
this.medias = mediasTemp;
}
async reloadMediaSrcFromMedias(index) {
await this.medias[index].reloadSrc();
}
async reloadMediaSrc(media) {
await media.reloadSrc();
}
}
class Media {
/**
* @param {string} _page This is the page of the media. Not the real src.
* @param {string} _type
* @param {string} _thumb
*/
constructor(_page, _type, _thumb, dp) {
this.page = _page;
this.type = _type;
this.thumb = _thumb;
this.dp = dp;
this.getSrc().then((src) => {
this.src = src;
});
}
async getSrc() {
const response = await fetch(this.page);
if ([202, 200].includes(response.status)) {
const body = await response.text();
const dp = new DOMParser();
const pageDocument = dp.parseFromString(body, "text/html");
const video = F.q("video source", pageDocument);
const image = F.q(".flexi img", pageDocument);
if (video) {
this.type = "video";
return video.src;
} else {
this.type = "image";
return image.src;
}
} else {
return "Retry";
}
}
async reloadSrc() {
this.src = await this.getSrc();
}
}
class InfinityScroll {
/**
* @param {Document} document
* @param {DOMParser} _dp
*/
constructor(document, _dp) {
this.nextSended = false;
this.pagesParsed = [this.getPageNumber(document)];
this.nextPage = this.getNextPageHref(document);
this.dp = _dp;
}
/**
* @param {Document} doc
*/
getPageNumber(doc) {
return parseInt(doc.querySelector("#paginator div b").innerHTML);
}
/**
* @param {Document} doc
*/
getNextPageHref(doc) {
const nextNode = doc.querySelector('#paginator [alt="next"]');
return nextNode ? nextNode.href : null;
}
async getNextPage() {
console.log("getNextPage");
if (!this.nextPage) {
this.nextPage = F.q('#paginator [alt="next"]').href;
}
const response = await fetch(this.nextPage);
if([204,202,200,201].includes(response.status)){
const body = await response.text();
const dp = new DOMParser();
const pageDocument = dp.parseFromString(body, "text/html");
const pageNum = this.getPageNumber(pageDocument);
this.nextPage = this.getNextPageHref(pageDocument);
if (!this.pagesParsed.includes(pageNum)) { // remove the page allready parsed
this.pagesParsed.push(pageNum);
return pageDocument;
} else {
return false;
}
}else{
await this.sleep(500);
return await this.getNextPage();
}
}
sleep(ms){
return new Promise(resolve=>setTimeout(resolve,ms));
}
/**
*
* @param {Document} document
* @param {number} pad The length of medias in the Modal Object
* @returns {Media[]}
*/
getMedias(document, pad) {
const thumbsNode = F.qa("#content .thumb", document);
const medias = [];
const nodes = [];
//const pad = this.medias? this.medias.length : 0;
for (let i = 0; i < thumbsNode.length; i++) {
const node = thumbsNode[i];
/**
* @type {HTMLImageElement} img
*/
// @ts-ignore
const img = F.q("img", node);
const title = img.title;
const anchor = node.querySelector("a");
const media = new Media(
anchor.href,
/animated|video/.test(title) ? "video" : "image",
img.src,
this.dp
);
anchor.dataset.index = (i + pad).toString();
img.dataset.index = (i + pad).toString();
//node.dataset.index = (i+pad).toString();
medias.push(media);
nodes.push(node);
}
this.addElementsToCurrentContentView(nodes); // async
return medias;
}
async addElementsToCurrentContentView(nodes) {
for (const node of nodes) {
this.clickFunction(node);
F.q(".content").insertBefore(node, F.q("#paginator"));
}
}
clickFunction(element){
element.addEventListener("click", (e) => {
e.preventDefault();
const index = e.target.dataset.index
? e.target.dataset.index
: modalObj.pointer;
modalObj.pointer = index;
modalObj.render(modalObj.medias[index]);
});
}
}
const dp = new DOMParser();
const F = new Falaz();
let modalObj;
const loadingSVG = "https://samherbert.net/svg-loaders/svg-loaders/puff.svg";
(function () {
"use strict";
modalObj = new Modal(document, dp);
document.modalObj = modalObj;
F.qa(".content .thumb").forEach((element) => {
modalObj.infinityScroll.clickFunction(element);
});
document.addEventListener("keydown", (e) => {
if (e.key == "ArrowRight") {
modalObj.nextMedia();
} else if (e.key == "ArrowLeft") {
modalObj.prevMedia();
} else if (e.key == "Escape") {
modalObj.close();
}
});
document.addEventListener("scroll", (e) => {
const inner = window.innerHeight;
if (
window.scrollY + inner >
document.documentElement.scrollHeight - inner * 2
) {
modalObj.getNextPage();
}
});
})();