e621 Thumbnail Enhancer

Resizes thumbnails on e621.net, replacing them with higher resoltion images and adding support for video previews.

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==UserScript==
// @name         e621 Thumbnail Enhancer
// @version      1.01
// @description  Resizes thumbnails on e621.net, replacing them with higher resoltion images and adding support for video previews.
// @author       swordgedance
// @include      http://*e621.net/post*
// @include      https://*e621.net/post*
// @include      http://*e621.net/pool*
// @include      https://*e621.net/pool*
// @grant        GM.xmlHttpRequest
// @namespace    https://greasyfork.org/de/users/398891
// ==/UserScript==

//original rooshoos
//http://twitter.com/rooshoos



var sty =document.createElement("style");
sty.innerHTML=[
     "div.thumbEnh_cont{"
    ,"    display: grid;"
    ,"    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));"
    ,"}"
    ,"div.thumbEnh_cont span.thumb{"
    ,"    width:90%;"
    ,"    height:auto;"
    ,"}"
    ,"span.thumb img{"
    ,"    width:100%;"
    ,"    height:auto;"
    ,"}"
    // ,"span.thumb {"
    // ,"    width: 30%;" //auto;"
    // ,"    height: auto;" //250px;"
    // ,"    margin: 0 10px 10px 0;"
    // ,"}"

    ,"span.thumb .preview {"
    ,"    display: block;"
    ,"    height: auto;"//220px;"
    ,"    width: 100%;"//auto;"
    ,"}"

    ,"#child-posts-expanded-thumbs span.thumb,"
    ,"#child-posts-expanded-thumbs span.thumb .preview {"
    ,"    width: 32%;"//180px;"
    ,"    height:auto;"
    ,"}"

    ,"span.thumb .post-score {"
    ,"    width: auto !important;"
    ,"}"

    ,"span.thumb .tooltip-thumb {"
    ,"    display: block;"
    ,"    position: relative;"
    ,"}"

    ,"span.thumb .gif,"
    ,"span.thumb .video {"
    ,"    position: relative;"
    ,"    display: block;"
    ,"}"

    ,"span.thumb .gif:not(:hover)::after,"
    ,"span.thumb .video:not(:hover)::after {"
    ,"    content: '';"
    ,"    display: block;"
    ,"    position: absolute;"
    ,"    top: 0; bottom: 0; left: 0; right: 0;"
    ,"}"

    ,"span.thumb .video:not(:hover)::after {"
    ,"    background: transparent "
    ,"        url(data:image/svg+xml;base64,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)"
    ,"        no-repeat center/80px;"
    ,"}"

    ,"span.thumb .gif:not(:hover)::after {"
    ,"    content: 'GIF';"
    ,"    width: 60px;"
    ,"    height: 30px;"
    ,"    margin: auto;"
    ,"    font-size: 16px;"
    ,"    font-weight: bold;"
    ,"    line-height: 30px;"
    ,"    color: rgba(0,0,0,0.4);"
    ,"    background-color: rgba(255,255,255,0.8);"
    ,"    border-radius: 6px;"
    ,"    box-shadow: 0 0 13px rgba(0,0,0,0.29);"
    ,"}"

    ,"span.thumb .gif:hover .preview {"
    ,"    display: none !important;"
    ,"}"

    ,"span.thumb .gif:hover img.preview {"
    ,"    display: block !important;"
    ,"}"
].join("");
document.head.appendChild(sty);


(function () {
    var contDiv = document.querySelector("span.thumb").parentElement;
    contDiv.className = "thumbEnh_cont";


    function is_gif(i) {
        return /^(?!data:).*\.gif/i.test(i.src);
    }

    function freeze_gif(i) {
        var c = document.createElement('canvas');
        var w = c.width = i.naturalWidth;
        var h = c.height = i.naturalHeight;
        var p = i.parentNode;
        c.getContext('2d').drawImage(i, 0, 0, w, h);
        p.className = ['gif', p.className].join(' ');
        try {
            i.src = c.toDataURL("image/gif"); // if possible, retain all css aspects
        } catch (e) { // cross-domain -- mimic original with all its tag attributes
            replaceImg(c, i);
            i.style.display = 'none';
            p.insertBefore(i, p.firstChild);
        }
    }

    function replaceImg(e, i) {
        e.className = i.className;
        var s = window.getComputedStyle(i);
        e.style.border = s.getPropertyValue('border');
        e.style.borderRadius = s.getPropertyValue('border-radius');
        i.parentNode.replaceChild(e, i);
    }

    function setVideo(thumb, videoUrl) {
        var video = document.createElement('video'),
            parent = thumb.parentNode;
        video.controls = false;
        video.loop = true;
        video.muted = true;
        video.preload = 'metadata';
        video.addEventListener('loadedmetadata', function () {
            parent.className = ['video', parent.className].join(' ');
            parent.addEventListener('mouseenter', function () {
                video.play();
            });
            parent.addEventListener('mouseleave', function () {
                video.pause();
            });
            replaceImg(this, thumb);
        }, false);
        video.src = videoUrl;
    }

    /* Replace video thumbnails with actual playable video */
    function videoThumb(thumb, parseHTML) {
        parseHTML = parseHTML || false;
        var parent = thumb.parentNode;

        GM.xmlHttpRequest({
            method: "GET",
            url: parent.href,
            headers: {
                "Accept": "text/xml"
            },
            onload: function (response) {
                var videoUrl = null;
                if (response.readyState !== 4) return;
                if (!response.responseXML) return;

                var file_url = response.responseXML.getElementsByTagName('file_url')[0];
                if (!file_url) return;

                videoUrl = file_url.childNodes[0].nodeValue;
                setVideo(thumb, videoUrl);
            }
        });

    }

    /* Replace image thumbnails with higher resolution */
    function imageThumb(thumb) {
        var newThumb = new Image(),
            replace = function (thumb) {
                thumb.src = this.src;
                if (is_gif(thumb)) {
                    //freeze_gif(thumb);
                }
            },
            trynoSample = function (thumb) {
                this.onerror = tryGif.bind(this, thumb);
                this.src = thumb.src.replace('/preview/', '/');

            },
            tryGif = function (thumb) {
                this.onerror = null;
                this.src = thumb.src.replace('/preview/', '/').replace('.jpg', '.gif');
            };
        newThumb.onload = replace.bind(newThumb, thumb);
        newThumb.onerror = trynoSample.bind(newThumb, thumb);
        newThumb.src = thumb.src.replace('/preview/', '/sample/');
    }

    function imgError(image) {
        image.onerror = "";
        image.src = "/images/noimage.gif";
        return true;
    }

    /* Run above on all thumbnails */
    var thumbs = document.querySelectorAll('span.thumb img');
    //var typ=document.querySelectorAll('span.thumb span.type-badge');
    for (i = 0; i < thumbs.length; i++) {
        var thumb = thumbs[i];
        var badge = thumb.parentElement.querySelector("span.type-badge");
        if (badge && badge.innerHTML.toLowerCase() == "webm") {
            (function (thumb, i) {
                setTimeout(function () {
                    videoThumb(thumb);
                }, 100 * i);
            })(thumb, i);
        } else {

            imageThumb(thumb);

        }
    }
})();