wallhaven - image viewer

Enhanced user experience for wallhaven.cc

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

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

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

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

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

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

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.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name        wallhaven - image viewer
// @namespace   wuuashen
// @description Enhanced user experience for wallhaven.cc
// @author      wuuashen (https://github.com/wuuashen)
// @copyright   2020-04-14,Require fancybox
// @license     MIT License; https://opensource.org/licenses/MIT
// @include     https://wallhaven.cc/*
// @version     0.0.4
// @grant       none
// ==/UserScript==
;(function(){

    const loadScript = () => {
        return new Promise(resolve => {
            var script2 = document.createElement('script');
            script2.src = 'https://cdn.jsdelivr.net/gh/fancyapps/[email protected]/dist/jquery.fancybox.min.js';
            document.head.appendChild(script2);
            script2.onload = () => resolve();
        })
    }
    const loadStylesheet = () => {
        return new Promise(resolve => {
            var style1 = document.createElement('link');
            style1.rel = 'stylesheet';
            style1.href = 'https://cdn.jsdelivr.net/gh/fancyapps/[email protected]/dist/jquery.fancybox.min.css';
            document.head.appendChild(style1);
            style1.onload = () => resolve();
        })
    }

    async function loadFancybox(params) {
        await loadScript();
        await loadStylesheet();
        return 'fancybox done.';
    }

    const callFancyBox = () => {
        loadFancybox().then(res => {
            let walllist = document.querySelectorAll('.thumbs-container ul li');

            for (const [key, element] of Object.entries(walllist)) {
                let preview = element.querySelector('.preview'),
                    thumbInfo = element.querySelector('.thumb-info span.png') ? 'png' : 'jpg';

                if(preview.getAttribute('data-href')) continue;
                // 5wq8x8
                let wallId = /wallhaven\.cc\/w\/(\w{6})/.exec(preview.href)[1];
                // https://w.wallhaven.cc/full/5w/wallhaven-5wq8x8.jpg
                let pathId = wallId.substring(0, 2);
                preview.setAttribute('data-href', preview.href);
                preview.setAttribute('data-fancybox', 'gallery');
                preview.href = `https://w.wallhaven.cc/full/${pathId}/wallhaven-${wallId}.${thumbInfo}`;
            }


            $('[data-fancybox="gallery"]').fancybox({
                // loop: true,
                buttons: [
                    "zoom",
                    "share",
                    "slideShow",
                    "fullScreen",
                    "download",
                    "thumbs",
                    "close"
                ],
                thumbs: {
                    autoStart: true
                },
                // 添加 afterShow 事件来覆盖下载按钮的行为
                afterShow: function(instance, current) {
                    const downloadBtn = instance.$refs.toolbar.find('.fancybox-button--download');
                    downloadBtn.off('click').on('click', function(e) {
                        e.preventDefault();
                        e.stopPropagation();
                        
                        const url = current.src;
                        const filename = url.split('/').pop();

                        fetch(url)
                            .then(response => response.blob())
                            .then(blob => {
                                const link = document.createElement('a');
                                link.href = URL.createObjectURL(blob);
                                link.download = filename;
                                document.body.appendChild(link);
                                link.click();
                                document.body.removeChild(link);
                                URL.revokeObjectURL(link.href);
                            });
                    });
                }
            });
        })
    }

    callFancyBox();
    let observer = new MutationObserver(mutationRecords => {
        if(mutationRecords[0].addedNodes.length && mutationRecords[0].addedNodes[0].className == 'thumb-listing-page') {
            callFancyBox();
            console.log(mutationRecords);
        }
    });

    observer.observe(document.querySelector('.thumbs-container'), {
        childList: true,
        characterDataOldValue: true
    });

})()