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Add a modal viewer to the main page. With infinity scroll.
// ==UserScript==
// @name Viewer on Rule34Paheal
// @namespace http://tampermonkey.net/
// @version 1.0
// @description Add a modal viewer to the main page. With infinity scroll.
// @author Falaz
// @match *://rule34.paheal.net/post/list/*
// @icon https://www.google.com/s2/favicons?sz=64&domain=paheal.net
// @grant none
// @run-at document-end
// @license MIT
// ==/UserScript==
/*jshint esversion: 6 */
class CssModal{
constructor(){
this.css = `
${document.debug?'img, video {filter: brightness(0.0);}':''}
BODY, #header,FOOTER{
background:#222!important
}
SECTION>H3,SECTION>.blockbody, .comment, .setupblock,#menuh a{
background:#333!important;
border: 1px solid #000!important;
}
#modal-container{
width: 100%;
height: 100%;
position: fixed;
display: block;
background: #000000b0;
z-index: 1;
}
.hidden{
display: none!important;
}
#media-container{
height:100%;
justify-content: center;
display: flex;
align-items: center;
}
#modal-container #modal{
width: 80%;
height: 100%;
display: flex;
align-content: center;
justify-content: center;
align-items: center;
}
#modal-container #imgContainer{
width: auto;
height: auto;
max-height: 100%;
}
#modal-container button {
background: #40bf40;
font-size: 14px;
padding: 10px 15px;
border: none;
border-radius: 7px;
font-weight: bold;
position: absolute;
right: 20%;
z-index: 1;
}
#modal-container button:hover {
background: #89e989;
}
#modal-container button:active{
background: #2c892c;
}
#modal-container #close {
top: 10px;
}
#modal-container #left{
top: 46px;
}
#modal-container #right{
top: 79px
}
#modal-container #loading{
top: 120px;
right: 20%;
position: fixed;
}
#modal-container video, #modal-container .fluid_video_wrapper,.media-container{
width: auto;
height: auto;
max-width: 95%;
max-height: 95%;
padding: 10px;
}
`;
const cssTag = document.createElement('style');
cssTag.innerHTML = this.css;
document.head.prepend(cssTag);
}
}
class Page{
constructor(num,doc,_modal=null){
this.num = num;
this.document = doc;
this.modal = _modal? _modal.addNewMedias(this.getElements()):new Modal(this.getElements());
}
getElements(){
return this.document.querySelectorAll('.shm-image-list div')
}
addEventListenersToImages(elements = this.getElements()){
for(const node of elements){
node.addEventListener('click',e=>{
e.preventDefault();
console.log('click');
this.modal.render(node.dataset.postId)
});
}
}
}
class Modal{
constructor(mediasNode){
this.active = false;
/**@type {Media} */
this.medias = [];
this.populateMedias(mediasNode);
this.container = this.initEmptyContainer();
this.renderedMedia = null;
this.loading= this.container.querySelector('#loading');
}
initEmptyContainer(){
const div = document.createElement('div');
div.id = "modal-container";
div.classList.add('hidden');
const buttons = `<button id="close" onClick="document.modal.closeModal()">X</button><button id="left" onClick="document.modal.prevMedia()"><</button><button id="right" onClick="document.modal.nextMedia()">></button>
<img id="loading" class="hidden" src="https://samherbert.net/svg-loaders/svg-loaders/oval.svg">`
div.innerHTML = `<div id="modal"><div>${buttons}</div><div id="media-container"></div></div>`
document.body.prepend(div);
return div;
}
createImageContainer(){
this.container.querySelector('#media-container').innerHTML = `<img id="imgContainer"></img>`
}
createVideoContainer(){
this.container.querySelector('#media-container').innerHTML = `<video id="videoContainer" controls loop autoplay ></video>`;
}
render(postId){
const [media] = this.medias.filter(e=>e.index==postId)
if(media){
this.renderModal(media)
}
}
renderModal(media){
this.active = true;
this.container.classList.remove('hidden');
this.renderedMedia = media;
if(media.type == 'video'){
this.createVideoContainer();
this.videoContainer = this.container.querySelector('#videoContainer');
this.videoContainer.src = media.src;
this.videoContainer.volume = 0;
this.videoContainer.mute = document.debug;
fluidPlayer(this.videoContainer,{layoutControls:{autoPlay:true, allowDownload:true,loop:true,doubleclickFullscreen:false, mute: document.debug, fillToContainer:true}})
}else{
this.createImageContainer();
this.imgContainer = this.container.querySelector('#imgContainer');
this.loading.classList.remove('hidden');
this.imgContainer.src = media.src;
this.imgContainer.onload = ()=>this.loading.classList.add('hidden');
}
}
closeModal(){
this.active = false;
this.container.classList.add('hidden');
}
nextMedia(){
const i = this.medias.indexOf(this.renderedMedia)
if(i>this.medias.length-3){
document.infinity.fillNextPage()
}else{
this.renderModal(this.medias[i+1])
}
}
prevMedia(){
const i = this.medias.indexOf(this.renderedMedia)
if(i>0){
this.renderModal(this.medias[i-1])
}else{
this.renderModal(this.medias[this.medias.length-1])
}
}
populateMedias(mediasNode){
for(const node of mediasNode){
const media = new Media(
node.querySelector('a:last-of-type').href,
['mp4','webm'].includes(node.dataset.ext)?'video':'image',
node.dataset.ext,
node.querySelector('img').src,
node.dataset.postId
)
this.medias.push(media);
}
}
addNewMedias(medias){
this.populateMedias(medias);
this.addNewMediasToCurrentPage(medias);
return this;
}
addNewMediasToCurrentPage(medias){
for(const node of medias){
document.querySelector('.shm-image-list ').appendChild(node);
}
}
}
class Media{
constructor(src, type,ext, thumb,index){
this.src = src;
this.type = type;
this.ext = ext;
this.thumb = thumb;
this.index = index;
}
}
class InfinityScroll{
constructor(doc,page,modal){
this.doc = doc;
this.page = page;
this.modal = modal;
this.last = this.getLastNode(this.doc);
this.next = this.getNextNode(this.doc);
this.triggered = false;
}
getNextNode(doc){
const [next] = Array.from(doc.querySelector('#paginator .blockbody').querySelectorAll('a')).filter(e=>e.text=='Next')
return next;
}
getLastNode(doc){
const [last] = Array.from(doc.querySelector('#paginator .blockbody').querySelectorAll('a')).filter(e=>e.text=='Last')
return last;
}
async fillNextPage(){
if(!this.triggered){
this.triggered = true;
const {page,pageDocument} = await this.getNextPage();
this.page = new Page(page, pageDocument, this.modal);
this.page.addEventListenersToImages(document.page.getElements());
this.next = this.getNextNode(this.page.document);
}
}
async getNextPage(){
const nextNode = this.next;
const page = nextNode.href.slice(-1);
const response = await fetch(nextNode.href);
if([200,201,202,204].includes(response.status)){
const body = await response.text();
const dp = new DOMParser();
const pageDocument = dp.parseFromString(body, "text/html");
this.triggered = false;
return {page,pageDocument};
}
}
}
document.debug = false;
document.cssModal = null;
document.page = null;
document.modal = null;
document.init = ()=>{
try{
console.log('initialized');
const fluidPlayer = document.createElement('script');
fluidPlayer.src = "https://cdn.fluidplayer.com/v3/current/fluidplayer.min.js"
document.head.prepend(fluidPlayer);
document.page.addEventListenersToImages();
document.infinity = new InfinityScroll(document,document.page, document.modal);
document.addEventListener("scroll", (e) => {
const inner = window.innerHeight;
/* console.log({
scrollY: window.scrollY,
inner,
scorllHeight: document.documentElement.scrollHeight,
sum: window.scrollY + inner,
comparative: document.documentElement.scrollHeight - inner
}) */
if (window.scrollY + inner >document.documentElement.scrollHeight - inner) {
document.infinity.fillNextPage()
}
})
}catch(e){
console.error(e);
}
}
(function() {
try{
const cssModal = new CssModal();
document.cssModal = cssModal;
document.page = new Page(1, document);
document.modal = document.page.modal;
//'use strict';
//document.addEventListener('readystatechange', ()=>{
window.addEventListener('load',()=>{
document.init();
})
}catch(e){
console.error(e);
}
})();