e-hentai Scroll Mode

Scroll to browsing e-hentai's art.

Per 31-10-2023. Zie de nieuwste versie.

Voor het installeren van scripts heb je een extensie nodig, zoals Tampermonkey, Greasemonkey of Violentmonkey.

Voor het installeren van scripts heb je een extensie nodig, zoals {tampermonkey_link:Tampermonkey}.

Voor het installeren van scripts heb je een extensie nodig, zoals Tampermonkey of Violentmonkey.

Voor het installeren van scripts heb je een extensie nodig, zoals Tampermonkey of Userscripts.

Voor het installeren van scripts heb je een extensie nodig, zoals {tampermonkey_link:Tampermonkey}.

Voor het installeren van scripts heb je een gebruikersscriptbeheerder nodig.

(Ik heb al een user script manager, laat me het downloaden!)

Voor het installeren van gebruikersstijlen heb je een extensie nodig, zoals {stylus_link:Stylus}.

Voor het installeren van gebruikersstijlen heb je een extensie nodig, zoals {stylus_link:Stylus}.

Voor het installeren van gebruikersstijlen heb je een extensie nodig, zoals {stylus_link:Stylus}.

Voor het installeren van gebruikersstijlen heb je een gebruikersstijlbeheerder nodig.

Voor het installeren van gebruikersstijlen heb je een gebruikersstijlbeheerder nodig.

Voor het installeren van gebruikersstijlen heb je een gebruikersstijlbeheerder nodig.

(Ik heb al een beheerder - laat me doorgaan met de installatie!)

// ==UserScript==
// @name               e-hentai Scroll Mode
// @name:zh-TW         e-hentai 滾動模式
// @name:zh-CN         e-hentai 滚动模式
// @name:ja            e-hentai スクロールモード
// @namespace          https://greasyfork.org/zh-TW/users/142344-jasn-hr
// @description        Scroll to browsing e-hentai's art.
// @description:zh-TW  在 e-hentai 滾動卷軸持續瀏覽
// @description:zh-CN  在 e-hentai 滚动卷轴持续浏览
// @description:ja     e-hentaiスクロールスクロールでブラウジングを続ける
// @copyright          2019, HrJasn (https://greasyfork.org/zh-TW/users/142344-jasn-hr)
// @license            GPL-3.0-or-later
// @version            3.0.1
// @icon               https://www.google.com/s2/favicons?domain=e-hentai.org
// @match              http*://e-hentai.org/s/*
// @match              http*://exhentai.org/s/*
// @exclude            http*://www.e-hentai.org/*
// @grant              none
// ==/UserScript==

(() => {
    window.addEventListener('load',() => {
        const scrollMode_DIV = document.body.appendChild(document.createElement("div"));
        scrollMode_DIV.style = "z-index:999;position:fixed;cursor:pointer;left:0px;width:100%;height:0px;top:" + window.innerHeight + "px;-webkit-overflow-scrolling:touch;overflow-y:scroll;background-color:gray;transition:all 0.5s ease 0.5s;";
        let ImgJsonArr = [];

        let mainImage = document.querySelector('#img').parentNode;
        let PrevBtn = document.querySelector('a[href *= "/s/"] > img[src *= "/p.png"]').parentNode;
        let NextBtn = document.querySelector('a[href *= "/s/"] > img[src *= "/n.png"]').parentNode;
        mainImage.querySelector('img').setAttribute("pageurl",window.location.href);
        ImgJsonArr.push({
            'pageurl' : window.location.href,
            'mainImage' : mainImage,
            'PrevBtn' : PrevBtn,
            'NextBtn' : NextBtn
        });
        function LoadBeforeImageToJsonArr(cnImg){
            fetch(cnImg.href).then(async (res)=>{
                return [res.url, await res.text()];
            }).then((res)=>{
                const parser = new DOMParser();
                const htmlDocument = parser.parseFromString(res[1], "text/html");
                const mImg = htmlDocument.documentElement.querySelector('#img').parentNode;
                const pImg = htmlDocument.documentElement.querySelector('a[href *= "/s/"] > img[src *= "/p.png"]').parentNode;
                const nImg = htmlDocument.documentElement.querySelector('a[href *= "/s/"] > img[src *= "/n.png"]').parentNode;
                mImg.querySelector('img').setAttribute("pageurl",res[0]);
                ImgJsonArr.unshift({
                    'pageurl' : res[0],
                    'mainImage' : mImg,
                    'PrevBtn' : pImg,
                    'NextBtn' : nImg
                });
                console.log('Update ImgJsonArr: ', ImgJsonArr);
                if(pImg.href != cnImg.href){
                    LoadBeforeImageToJsonArr(pImg);
                };
            });
        };
        LoadBeforeImageToJsonArr(PrevBtn);
        function LoadAfterImageToJsonArr(cnImg){
            fetch(cnImg.href).then(async (res)=>{
                return [res.url, await res.text()];
            }).then((res)=>{
                const parser = new DOMParser();
                const htmlDocument = parser.parseFromString(res[1], "text/html");
                const mImg = htmlDocument.documentElement.querySelector('#img').parentNode;
                const pImg = htmlDocument.documentElement.querySelector('a[href *= "/s/"] > img[src *= "/p.png"]').parentNode;
                const nImg = htmlDocument.documentElement.querySelector('a[href *= "/s/"] > img[src *= "/n.png"]').parentNode;
                mImg.querySelector('img').setAttribute("pageurl",res[0]);
                ImgJsonArr.push({
                    'pageurl' : res[0],
                    'mainImage' : mImg,
                    'PrevBtn' : pImg,
                    'NextBtn' : nImg
                });
                console.log('Update ImgJsonArr: ', ImgJsonArr);
                if(nImg.href != cnImg.href){
                    LoadAfterImageToJsonArr(nImg);
                };
            });
        };
        LoadAfterImageToJsonArr(NextBtn);
        function reSizeElmtFlwWidthIfScl(Elmt,scale = 0.75){
            Elmt.style.maxWidth = "";
            Elmt.style.maxHeight = "";
            let Elmt_originalWidth = Elmt.offsetWidth;
            let Elmt_originalHeight = Elmt.offsetHeight;
            Elmt.setAttribute("originalWidth",Elmt_originalWidth);
            Elmt.setAttribute("originalHeight",Elmt_originalHeight);
            Elmt.style.width = "100%";
            Elmt.style.height = (Elmt_originalHeight*Elmt.offsetWidth)/Elmt_originalWidth + "px";
            if( (Elmt.offsetWidth*scale > Elmt_originalWidth) || (Elmt.offsetheight*scale > Elmt_originalHeight) ){
                Elmt.style.width = Elmt_originalWidth + "px";
                Elmt.style.height = Elmt_originalHeight + "px";
            };
            return Elmt;
        };
        let lastScrollTop = 0;
        const UpdatescrollMode_DIV = () => {
            document.body.style.overflow = "hidden";
            if(scrollMode_DIV.querySelector('img')){
                const sMImgNl = scrollMode_DIV.querySelectorAll('img');
                const sMImgArr = [...sMImgNl];
                const cuImg = sMImgArr.find((img)=>{
                    return ( (document.body.offsetHeight > (img.y + img.offsetHeight)) && ((img.y + img.offsetHeight) > 0) )
                });
                if(cuImg){
                    const currentScrollTop = cuImg.y + cuImg.offsetHeight;
                    const IJAcuImg = ImgJsonArr.find((ij)=>{
                        return ( ij.mainImage.querySelector('img').getAttribute("pageurl").match(/\/(.*)$/)[1] == cuImg.getAttribute("pageurl").match(/\/(.*)$/)[1] );
                    });
                    if ( (currentScrollTop >= lastScrollTop) && ((currentScrollTop + window.innerHeight) >= document.body.offsetHeight*0.99) ) {
                        ImgJsonArr.forEach((ImgJson,ImgJsonIdx)=>{
                            if( ((ImgJsonArr.indexOf(IJAcuImg)-5) <= ImgJsonIdx) && (ImgJsonIdx < (ImgJsonArr.indexOf(IJAcuImg)+5)) ){
                                if( !(sMImgArr.find((sMImgNE)=>{
                                    return ( sMImgNE.getAttribute("pageurl").match(/\/(.*)$/)[1] == ImgJson.mainImage.querySelector('img').getAttribute("pageurl").match(/\/(.*)$/)[1] );
                                })) ){
                                    let mainImage_clone = ImgJson.mainImage.querySelector('img').cloneNode(true);
                                    scrollMode_DIV.appendChild(mainImage_clone);
                                    mainImage_clone = reSizeElmtFlwWidthIfScl(mainImage_clone);
                                };
                            };
                            if( ImgJsonIdx < (ImgJsonArr.indexOf(IJAcuImg)-5) ){
                                sMImgNl.forEach((sMImgNE)=>{
                                    if( ImgJson.mainImage.querySelector('img').getAttribute("pageurl").match(/\/(.*)$/)[1] == sMImgNE.getAttribute("pageurl").match(/\/(.*)$/)[1] ){
                                        sMImgNE.remove();
                                    };
                                });
                            };
                        });
                        scrollMode_DIV.style.height = "100%";
                        scrollMode_DIV.style.top = 0;
                    } else {
                        let ImgJsonArrRvsd = [...ImgJsonArr].reverse();
                        ImgJsonArrRvsd.forEach((ImgJson,ImgJsonIdx)=>{
                            if( ((ImgJsonArrRvsd.indexOf(IJAcuImg)+5) >= ImgJsonIdx) && (ImgJsonIdx > (ImgJsonArrRvsd.indexOf(IJAcuImg)-5)) ){
                                if( !(sMImgArr.find((sMImgNE)=>{
                                    return ( sMImgNE.getAttribute("pageurl").match(/\/(.*)$/)[1] == ImgJson.mainImage.querySelector('img').getAttribute("pageurl").match(/\/(.*)$/)[1] );
                                })) ){
                                    let mainImage_clone = ImgJson.mainImage.querySelector('img').cloneNode(true);
                                    scrollMode_DIV.insertBefore(mainImage_clone,sMImgArr[0]);
                                    mainImage_clone = reSizeElmtFlwWidthIfScl(mainImage_clone);
                                };
                            };
                            if( ImgJsonIdx <= (ImgJsonArrRvsd.indexOf(IJAcuImg)-5) ){
                                sMImgNl.forEach((sMImgNE)=>{
                                    if( ImgJson.mainImage.querySelector('img').getAttribute("pageurl").match(/\/(.*)$/)[1] == sMImgNE.getAttribute("pageurl").match(/\/(.*)$/)[1] ){
                                        sMImgNE.remove();
                                    };
                                });
                            };
                        });
                        scrollMode_DIV.style.height = "100%";
                        scrollMode_DIV.style.top = 0;
                    };
                    lastScrollTop = currentScrollTop;
                };
            };
        };
        const ShowscrollMode_DIV = () => {
            let cuImg = null;
            let currentScrollTop = window.pageYOffset || document.documentElement.scrollTop;
            if ( (currentScrollTop >= lastScrollTop) && (currentScrollTop + window.innerHeight >= document.body.offsetHeight*0.99) ) {
                if(!scrollMode_DIV.querySelector('img')){
                    cuImg = mainImage;
                    let dspArr = ImgJsonArr.filter((ah,ahi,aharr)=>{
                        return ( (ImgJsonArr.indexOf(cuImg)-5<ahi) && (ahi<ImgJsonArr.indexOf(cuImg)+5) );
                    });
                    console.log('Update dspArr: ',dspArr);
                    dspArr.forEach((dspah)=>{
                        let dspimg = dspah.mainImage.querySelector('img');
                        if( !([...scrollMode_DIV.querySelectorAll('img')].find((sDImg)=>{
                            return ( sDImg.getAttribute("pageurl").match(/\/(.*)$/)[1] == dspimg.getAttribute("pageurl").match(/\/(.*)$/)[1] );
                        })) ){
                            let mainImage_clone = dspimg.cloneNode(true);
                            scrollMode_DIV.appendChild(mainImage_clone);
                            mainImage_clone = reSizeElmtFlwWidthIfScl(mainImage_clone);
                        };
                    });
                    scrollMode_DIV.addEventListener("wheel",UpdatescrollMode_DIV,false);
                    scrollMode_DIV.addEventListener("scroll",UpdatescrollMode_DIV,false);
                    scrollMode_DIV.addEventListener("keydown",UpdatescrollMode_DIV,false);
                    document.removeEventListener("wheel",ShowscrollMode_DIV,false);
                    document.removeEventListener("scroll",ShowscrollMode_DIV,false);
                    document.removeEventListener("keydown",ShowscrollMode_DIV,false);
                    document.body.style.overflow="hidden";
                    scrollMode_DIV.style.height = "100%";
                    scrollMode_DIV.style.top = '0px';
                    scrollMode_DIV.focus();
                } else if(scrollMode_DIV.querySelector('img')){
                    document.body.style.overflow="hidden";
                    scrollMode_DIV.style.height = "100%";
                    scrollMode_DIV.style.top = '0px';
                    scrollMode_DIV.addEventListener("wheel",UpdatescrollMode_DIV,false);
                    scrollMode_DIV.addEventListener("scroll",UpdatescrollMode_DIV,false);
                    scrollMode_DIV.addEventListener("keydown",UpdatescrollMode_DIV,false);
                    document.removeEventListener("wheel",ShowscrollMode_DIV,false);
                    document.removeEventListener("scroll",ShowscrollMode_DIV,false);
                    document.removeEventListener("keydown",ShowscrollMode_DIV,false);
                    scrollMode_DIV.focus();
                };
            };
            lastScrollTop = currentScrollTop;
        };
        document.addEventListener("wheel",ShowscrollMode_DIV,false);
        document.addEventListener("scroll",ShowscrollMode_DIV,false);
        document.addEventListener("keydown",ShowscrollMode_DIV,false);
        const HidescrollMode_DIV = () => {
            scrollMode_DIV.style.height = '0px';
            scrollMode_DIV.style.top = window.innerHeight + 'px';
            document.body.style.overflow = "scroll";
            scrollMode_DIV.removeEventListener("wheel",UpdatescrollMode_DIV,false);
            scrollMode_DIV.removeEventListener("scroll",UpdatescrollMode_DIV,false);
            scrollMode_DIV.removeEventListener("keydown",UpdatescrollMode_DIV,false);
            document.body.focus();
            document.body.scrollTo({
                top: document.body.offsetHeight*0.8,
                behavior: "smooth"
            });
            document.addEventListener("wheel",ShowscrollMode_DIV,false);
            document.addEventListener("scroll",ShowscrollMode_DIV,false);
            document.addEventListener("keydown",ShowscrollMode_DIV,false);
            const sMImgNl = scrollMode_DIV.querySelectorAll('img');
            const cuImg = [...sMImgNl].find((img)=>{
                return ( (document.body.offsetHeight > (img.y + img.offsetHeight)) && ((img.y + img.offsetHeight) > 0) )
            });
            console.log(cuImg);
            window.location.href = cuImg.getAttribute("pageurl");
        };
        scrollMode_DIV.addEventListener("click",HidescrollMode_DIV,false);
        window.addEventListener('resize', ()=>{
            scrollMode_DIV.querySelectorAll('img').forEach((img)=>{
                reSizeElmtFlwWidthIfScl(img);
            });
        });
    });
})();