GBT scroller-coaster (GBTSC)

[BETA] Infinity scrolling for videos (main, search, channels) & photos (photos, search, channels)

Aby zainstalować ten skrypt, wymagana jest instalacje jednego z następujących rozszerzeń: Tampermonkey, Greasemonkey lub Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

Aby zainstalować ten skrypt, wymagana jest instalacje jednego z następujących rozszerzeń: Tampermonkey, Violentmonkey.

Aby zainstalować ten skrypt, wymagana będzie instalacja rozszerzenia Tampermonkey lub Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

Aby zainstalować ten skrypt, musisz zainstalować rozszerzenie menedżera skryptów użytkownika.

(Mam już menedżera skryptów użytkownika, pozwól mi to zainstalować!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

Będziesz musiał zainstalować rozszerzenie menedżera stylów użytkownika, aby zainstalować ten styl.

Będziesz musiał zainstalować rozszerzenie menedżera stylów użytkownika, aby zainstalować ten styl.

Musisz zainstalować rozszerzenie menedżera stylów użytkownika, aby zainstalować ten styl.

(Mam już menedżera stylów użytkownika, pozwól mi to zainstalować!)

// ==UserScript==
// @name         GBT scroller-coaster (GBTSC)
// @namespace    _pc
// @version      0.999
// @license      MIT
// @description  [BETA] Infinity scrolling for videos (main, search, channels) & photos (photos, search, channels)
// @author       verydelight
// @match        *://*.gayporntube.com
// @match        *://*.gayporntube.com/
// @match        *://*.gayporntube.com/channels/*
// @match        *://*.gayporntube.com/search/videos/*
// @match        *://*.gayporntube.com/photos/*
// @match        *://*.gayporntube.com/search/photos/*
// @connect      gayporntube.com
// @include      gayporntube.com
// @icon         https://www.gayporntube.com/favicon.ico
// @run-at       document-end
// @compatible   Firefox Tampermonkey
// @grant        GM.xmlHttpRequest
// @grant        GM_download
// @grant        GM_xmlHttpRequest
// @grant        GM.download
// @require      https://code.jquery.com/jquery-3.6.0.min.js
// ==/UserScript==
'use strict';
const path = window.location.pathname;
if (
path === "" ||
path === "/" ||
path.startsWith("/channels") ||
path.startsWith("/search/videos") ||
path.startsWith("/photos") ||
path.startsWith("/search/photos")
){
	let area = window.location.pathname.split("/");
	let testArea,baseUrl
	let videoPage=false;
	const identifier = $('div[id]')[2].id;
	testArea = area[2] ? `${area[1]}/${area[2]}` : (area[1] || "videos");
	switch(testArea) {
		case "videos":
		baseUrl = "https://www.gayporntube.com/page";
		gbtScroller(identifier,baseUrl);
		videoPage = true;
		break;
		case "search/videos":
		baseUrl = "https://www.gayporntube.com/search/videos/"+area[area.length - 2]+"/page";
		gbtScroller(identifier,baseUrl);
		videoPage = true;
		break;
		case testArea.match(/^channels\/[0-9]{1,3}/)?.input:
		baseUrl = "https://www.gayporntube.com/channels/"+area[area.length - 3]+"/"+area[area.length - 2]+"/page";
		gbtScroller(identifier,baseUrl);
		videoPage = true;
		break;
		case "photos":
		baseUrl = "https://www.gayporntube.com/photos/page";
            console.log(baseUrl);
		gbtScroller(identifier,baseUrl);
		break;
		case "search/photos":
		baseUrl = "https://www.gayporntube.com/search/photos/"+area[area.length - 2]+"/page";
		gbtScroller(identifier,baseUrl);
		break;
		case "photos/channels":
		baseUrl = "https://www.gayporntube.com/photos/channels/"+area[area.length - 2]+"/page";
		gbtScroller(identifier,baseUrl);
		break;
		default:
	}
	function gbtScroller(identifier,baseUrl){
		const style = document.createElement('style')
		style.type = 'text/css';
		style.textContent = `.gbtloader {
			width: 60px;
			display: block;
			aspect-ratio: 4;
			background: radial-gradient(circle closest-side,#009ec5CC 90%,#0000) 0/calc(100%/3) 100% space;
			clip-path: inset(0 100% 0 0);
			animation: l1 0.8s steps(4) infinite;
			transform: translate(10px, 10px);
		}
		@keyframes l1 {
			to {clip-path: inset(0 -34% 0 0);}
		}`;
		document.head.appendChild(style);
		let videoListing = document.getElementById(identifier);
		videoListing.nextElementSibling.remove();
		let loadTrigger = document.createElement("postloader");
		loadTrigger.id = 'postloader-1';
		loadTrigger.classList.add('item','item-col','gbtloader');
		//loadTrigger.append("(Loading...)");
		videoListing.append(loadTrigger)
		let target = videoListing.getElementsByTagName('postloader')[0];
		let options = {
			root: null,
			rootMargin: '0px',
			threshold: 0
		}
		let firstCallImminent = true;
		if (target.getBoundingClientRect().top < window.innerHeight && target.getBoundingClientRect().bottom > 0) {
			// The target is within the viewport
			//callback([{isIntersecting: true}]);
			firstCallImminent = false;
		}
		let observer = new IntersectionObserver(callback, options);
		if (target){ observer.observe(target); }
		function callback() {
			if(!firstCallImminent){
				observer.unobserve(target);
				var nextPage = parseInt(loadTrigger.id.split("-")[1])+1;
				var nextPageUrl = baseUrl+nextPage+".html";
				loadNextPage(nextPageUrl,nextPage);
				//firstCallImminent = true;
			}else{
				firstCallImminent = false;
			}
		}
		async function loadNextPage(url,nextPage) {
            console.log("loading:",url);
			try {
				const response = await GM.xmlHttpRequest({
					method: 'GET',
					responseType: 'document',
					url: url,
				});
				const newResults = response.response;
				var childResults = newResults.getElementById(identifier).children;
				while (childResults.length > 0)
				{
					if (videoPage){
						if(childResults[0].querySelector('img')){
							const firstChildNode = childResults[0].firstElementChild;
							const lastChildNode = childResults[0].lastElementChild;
							const newWrapper = document.createElement("div");
							newWrapper.classList.add("item", "item-col");
							const aImg = childResults[0].querySelector('a');
							aImg.removeAttribute('class');
							aImg.setAttribute("data-title",aImg.title);
							aImg.removeAttribute('title');
							aImg.classList.add("image");
							const videoImage = firstChildNode.querySelector('img');
							const videoElement = document.createElement("video");
							videoElement.alt = videoImage.getAttribute("alt");
							videoElement.poster = videoImage.getAttribute("data-src");
							videoElement.controls = false;
							videoElement.style.objectFit = "cover";
							videoElement.style.position = "absolute";
							videoElement.style.left = "0px";
							videoElement.style.top = "0px";
							videoElement.setAttribute('webkit-playsinline', 'true');
							videoElement.setAttribute('playsinline', 'true');
							videoElement.preload = "auto";
							videoElement.height = videoImage.getAttribute("height");
							videoElement.width = videoImage.getAttribute("width");
                            videoElement.muted = true;
							videoElement.addEventListener('mouseover', () => {
								if(!videoElement.src){
									const previewUrl = videoImage.getAttribute("data-preview");
                                    downloadPreview(previewUrl);
								}
                                //download needed to avoid CORS
								async function downloadPreview(url) {
									try {
										const response = await GM.xmlHttpRequest({
											method: 'GET',
											responseType: 'blob',
											url: url,
											headers: {
												"Content-Type": "video/mp4", "Accept": "video/mp4"
											},
										});
										const blob = new Blob([response.response],{type: 'video/mp4'});
										videoElement.src = URL.createObjectURL(blob);
									} catch (err) {
										console.error("GBTSC: Error in fetching and downloading preview file:", err);
									}
								}
								videoElement.play();
							});
							videoElement.addEventListener('mouseleave', () => {
								videoElement.style.display = 'none';
								videoElement.load();
							});
							videoImage.addEventListener('mouseenter', () => {
								videoElement.style.display = '';
								videoElement.load();
							});
							videoElement.style.display = 'none';
							newWrapper.append(firstChildNode);
							videoImage.insertAdjacentElement('afterend', videoElement)
							newWrapper.append(lastChildNode);
							videoListing.appendChild(newWrapper);
						}else{
							childResults[0].remove()
						}
					}else{
						videoListing.appendChild(childResults[0]);
					}
				}
				//firstCallImminent = true;
                loadTrigger.remove();
				loadTrigger.id = 'postloader-'+nextPage;
				videoListing.append(loadTrigger);
				if (target.getBoundingClientRect().top < window.innerHeight && target.getBoundingClientRect().bottom > 0) {
                    firstCallImminent = false;
                }else{
                    firstCallImminent = true;
                }
                //console.log("appended");
				observer.observe(target);
			} catch (err) {
				console.error("GBTSC: Error in fetching and downloading next videos:", err);
				observer.unobserve(target);
				loadTrigger.remove();
			}
            console.log("loaded: ",url);
		}
	}
}