Adds favicons next to Google search results. Also works for Ecosia.
目前為
// ==UserScript==
// @name FaviconizeGoogle
// @namespace http://userscripts.org/users/89794 (joeytwiddle)
// @description Adds favicons next to Google search results. Also works for Ecosia.
// @homepage https://gf.qytechs.cn/en/scripts/7664-faviconizegoogle
// @downstreamURL http://userscripts.org/scripts/source/48636.user.js
// @license ISC
// @version 1.6.1
// @include /https?:\/\/((www\.)?|encrypted\.)google\.[a-z]{2,3}(\.[a-z]{2})?\/(search|webhp|\?gws_rd|\?gfe_rd)?.*/
// @include /https?:\/\/(www\.|[a-z0-9-]*\.)?startpage\.com\/.*/
// @include /https?:\/\/(www\.)?ecosia\.org\/(search|news|videos)?.*/
// @grant GM_xmlhttpRequest
// @connect *
// ==/UserScript==
var placeFaviconByUrl = false; // The little green link below the article title
var placeFaviconAfter = false; // Display after the link instead of before it
var placeFaviconInsideLink = false; // Makes the favicon clickable but may also get underlined
var placeFaviconOffTheLeft = true; // Makes the favicon sit out to the left of the main column (not on startpage)
var iconSize = 1.3;
var centraliseIconVertically = iconSize < 2; // For smaller icon sizes, we center-align with the text, for larger we top-align
// With thanks to:
// - NV
// - darkred
// - SirCumference
// Some alternatives/remixes:
// - https://github.com/NV/faviconize-google.js (Chrome extension)
// - https://gf.qytechs.cn/en/scripts/12395-google-favicons (works with Endless Google)
// - https://gist.github.com/Sir-Cumference/223d36cbec6473b0e6927e5c50c11568 (very short code, @match works with Greasemonkey)
// 2020-04-21 Re-enabled for Ecosia and StartPage, bypass CSP by fetching the images using GM_xmlhttpRequest.
// 2020-02-02 Reenabled Google again, because Google has stopped showing favicons.
// 2020-01-22 Disabled Google, because Google is now displaying favicons itself.
// 2020-01-22 Disabled Ecosia, because their CSP is blocking images
// 2018-10-14 Added support for ecosia.org!
// 2018-10-14 Disabled startpage.com, because their CSP has blocked favicons from loading.
// 2018-07-31 Dropped support for news.google.com, because it is now linking to local URLs, instead of to external websites.
// TODO: The relative positioning of the icon appears a bit off for sub-links of the main result.
// DONE: Provided more options where to place favicon: by the link or by the
// url, before or after, inside or outside the link. However in my opinion
// they all suck except the default. ;)
// Broken images would be messy, but Firefox seems to hide them after a while
// anyway. We do still see the gap from the image's padding though!
// It might be desirable to check each image actually exists/loads, or remove it.
// Is that possible, without making an http request ourselves?
// Third-party host URL detection is implemented leniently, and accordingly
// hostname extraction implemented aggressively, which results in favicons
// being given to unexpected things like bookmarklets which contain a site url.
var isEcosia = document.location.hostname === 'www.ecosia.org' || document.location.hostname === 'ecosia.org';
var isStartpage = document.location.host.match(/\bstartpage\b/);
//var bypassCSP = isEcosia || isStartpage;
// Enable it for all sites. I think it's more secure for us to fetch the icon by GM_xhr rather than injecting it into the page.
var bypassCSP = true && typeof GM_xmlhttpRequest !== 'undefined';
if (isEcosia) {
iconSize = iconSize * 0.6;
}
if (isStartpage) {
// This feature doesn't work on startpage!
placeFaviconOffTheLeft = false;
}
if (document.location.search.match(/&tbm=nws/)) {
// This feature doesn't work on Google News search
placeFaviconOffTheLeft = false;
// The layout is a bit too cramped for large favicons
iconSize = 0.9;
}
if ((isEcosia || isStartpage) && (window.innerWidth < 1000)) {
// At lower widths, these website collapse their layout so there is no margin on the left, in which case we don't want to float the favicon out of view.
// We dare not do this for Google, as this isn't working right now!
placeFaviconOffTheLeft = false;
}
function findClosest (elem, tagName) {
// eslint-disable-next-line no-cond-assign
while (elem = elem.parentNode) {
if (elem.tagName && elem.tagName.toLowerCase() === tagName.toLowerCase()) {
return elem;
}
}
return null;
}
function createFaviconFor (url) {
var host = url.replace(/^[^/]*:\/\//, '').replace(/\/.*$/, '');
// if (host == document.location.host) {
// return null;
// }
// Use protocol (http/https) of current page, to avoid mixed-content warnings/failures.
//var protocol = document.location.protocol.replace(/:$/, '');
//console.log("[FaviconizeGoogle.user.js] protocol:" ,protocol);
// We may fail to access favicons, e.g. if the site only offers http, or due to CORS restrictions.
// But it is still worth tryiing, because the fallback (google's s2) offers only low-res icons.
var urlsToTry = [
'//' + host + '/favicon.ico',
'//' + host + '/favicon.png',
'//www.google.com/s2/favicons?domain=' + host,
];
// Google's cache will sometimes provide a favicon we would have missed, e.g. if the site uses .png instead of .ico. Thanks to NV for suggesting this, and to Google.
var img = document.createElement('IMG');
//img.src = protocol + '://'+host+'/favicon.ico';
//img.src = '//g.etfv.co/http://" + host; // As suggested by decembre
//img.src = 'http://api.byi.pw/favicon?url=' + protocol + "://" + host; // Another service suggested by decembre
//img.width = '16';
//img.height = '16';
img.className = 'favicon';
img.border = 0;
img.style.display = 'none';
var showImage = function () {
img.style.display = '';
if (typeof removeListeners === 'function') {
removeListeners();
}
};
if (bypassCSP) {
var blobToDataURL = (blob, callback) => {
var a = new FileReader();
a.onload = function(e) {
callback(e.target.result);
};
a.readAsDataURL(blob);
};
var tryNextUrlNoCors = () => {
if (urlsToTry.length === 0) {
return;
}
var url = 'https:' + urlsToTry.shift();
//console.log('url:', url);
GM_xmlhttpRequest({
method: 'GET',
url: url,
responseType: 'blob',
onload: (res) => {
//console.log('response:', res.response);
blobToDataURL(res.response, (dataUrl) => {
//console.log('dataUrl:', dataUrl);
const isImage = dataUrl.startsWith('data:application/octet-stream;') || dataUrl.startsWith('data:image/');
if (isImage) {
img.src = dataUrl;
showImage();
} else {
tryNextUrlNoCors();
}
});
},
});
};
tryNextUrlNoCors();
} else {
var tryNextUrl = function () {
if (urlsToTry.length === 0) {
removeListeners();
return;
}
img.src = urlsToTry.shift();
};
var removeListeners = function () {
img.removeEventListener('load', showImage);
img.removeEventListener('error', tryNextUrl);
};
img.addEventListener('load', showImage, false);
img.addEventListener('error', tryNextUrl, false);
tryNextUrl();
}
return img;
}
function getGoogleResultsLinks () {
// var links = document.evaluate("//a[@class='l']",document,null,6,null);
// var links = filterListBy(document.links, function(x){ return x.className=='l'; } );
// var links = document.links.filter( function(x){ return x.className=='l'; } );
/*
return filterListBy(document.getElementsByTagName('a'), function (x) {
// Most pages show links with class 'l'
// But on pages where the first result has an indented block of sub-pages,
// the indented links have class 'l' but all the other links have no class but parent class 'r'
return x.className === 'l' || x.parentNode.className === 'r';
});
*/
// For Google search
// a.l
// a.fl are small one-line sub-results. Search "squeak" and see the Wikipedia result.
// a.B0IOdd are lists of images which appear underneath a section on the News tab (inside .card-section)
var links = document.querySelectorAll('.g a:not(.fl):not(.B0IOdd)');
// For news.google.com
if (links.length === 0) {
//links = document.querySelectorAll('a.article:not(.esc-thumbnail-link)');
links = document.querySelectorAll('article > a');
}
// For startpage.com
if (links.length === 0) {
//links = document.querySelectorAll('.clk > a');
links = document.querySelectorAll('.w-gl__result-title');
}
// For ecosia.org
if (links.length === 0) {
// We use .result-body to avoid getting deep links (which were producing an unwanted second large favicon)
links = document.querySelectorAll('.result-body .result-title');
}
// Remove any links which contain only one image
links = [...links].filter(link => {
if (link.childNodes.length === 1 && link.childNodes[0].tagName === 'IMG') {
return false;
}
return true;
});
return links;
}
var style = document.createElement('STYLE');
var marginSide = (placeFaviconAfter ? 'left' : 'right');
var leftPadding = 1.2 * iconSize + 0.6 - 0.3 * isEcosia;
// We can try to centralise the icon with the text
// Or we can top-align the icon with the text (better for larger icon sizes)
var topPadding = centraliseIconVertically ? 0.87 - iconSize / 2 : 0.35;
var extra = placeFaviconOffTheLeft ? 'position: absolute; left: -' + leftPadding + 'em; top: ' + topPadding + 'em;' : '';
if (isEcosia) {
var topMargin = 0.3 + centraliseIconVertically * iconSize / 13;
// Use margin for vertical positioning
extra += ' margin-top: ' + (-topMargin) + 'em;';
}
// If we are using placeFaviconOffTheLeft, then we don't need the paddings or alignment here
style.innerHTML = ".favicon { box-sizing: content-box; margin-" + marginSide + ": 0.3em; vertical-align: middle; width: " + iconSize + "em; height: " + iconSize + "em; padding-bottom: 0.2em; " + extra + "}";
document.getElementsByTagName('head')[0].appendChild(style);
function updateFavicons () {
var links = getGoogleResultsLinks();
// Allows it to work on any sites:
if (links.length === 0) {
links = document.getElementsByTagName("A");
}
//console.log("Got links:", links);
// for (var i=0;i<links.snapshotLength;i++) {
// var link = links.snapshotItem(i);
for (var i = 0; i < links.length; i++) {
var link = links[i];
// if (link.href.match('^javascript:') || link.href.match('^#')) {
// continue;
// }
var targetUrl = link.getAttribute('data-href') || link.href;
//// Skip relative and same-host links:
if (targetUrl.match(/^[/]/) || targetUrl.match("://" + document.location.host)) {
continue;
}
//console.log("[faviconizegoogle.user.js] link.getAttribute(data-faviconized):" ,link.getAttribute("data-faviconized"));
if (link.getAttribute("data-faviconized")) {
// Already faviconized
//console.log("[faviconizegoogle.user.js] Skipping");
continue;
}
// Sometimes Google shows multiple results from one side, side-by-side in a table
// In this case, adding a favicon to the later links is redundant, and tends to overlap the earlier link
// So let's not do that
var tableCell = findClosest(link, 'td');
if (tableCell && tableCell.parentNode.firstChild !== tableCell) {
// We are in a table and we are not the first cell; don't add favicon
continue;
}
link.setAttribute("data-faviconized", "yes");
var img = createFaviconFor(targetUrl);
// <cite> is for google, .url is for startpage
var targetNode = (placeFaviconByUrl && link.parentNode.parentNode.querySelector('cite, .url') || link);
if (isEcosia && !placeFaviconOffTheLeft) {
// With the default `display: block` the link will break onto a separate line from the favicon, so we do this
link.style.display = 'inline-block';
link.parentNode.style.whiteSpace = 'nowrap';
}
if (placeFaviconInsideLink) {
if (placeFaviconAfter) {
targetNode.appendChild(img);
} else {
targetNode.insertBefore(img, targetNode.firstChild);
}
} else {
if (placeFaviconAfter) {
targetNode.parentNode.insertBefore(img, targetNode.nextSibling);
} else {
targetNode.parentNode.insertBefore(img, targetNode);
}
}
}
}
// TODO: Use MutationObserver instead?
var last_srg = null;
var results_count = -1;
function checkForUpdate () {
// #ires was needed for the News tab, which doesn't have a .srg. Perhaps we could use ires for all tabs.
var new_srg = document.querySelector('.srg') || document.querySelector('#ires');
// startpage
new_srg = new_srg || document.querySelector('.w-gl--default');
// ecosia
new_srg = new_srg || document.querySelector('.mainline');
//console.log("[FaviconizeGoogle.user.js] last_srg:" ,last_srg);
//console.log("[faviconizegoogle.user.js] new_srg:" ,new_srg);
var new_results_count = getGoogleResultsLinks().length;
if (new_srg !== last_srg || new_results_count !== results_count) {
//console.log("Page change detected!");
updateFavicons();
last_srg = new_srg;
results_count = new_results_count;
} else {
//console.log("Pages are the same:", last_srg, new_srg);
}
setTimeout(checkForUpdate, 1000);
}
setTimeout(checkForUpdate, 100);
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