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// ==UserScript==
// @name Google Images direct link
// @namespace https://github.com/Lorentz83
// @description Adds direct links to images and pages in google image search
// @include http*://images.google.*/images*
// @include http*://www.google.*/images*
// @include http*://www.google.*/webhp*
// @include http*://www.google.*/search?*
// @include http*://www.google.*/imgres*
// @include http*://images.google.*/search?*
// @include https://encrypted.google.com/search?*
// @version 7.1
// @grant none
// @icon https://raw.githubusercontent.com/Lorentz83/userscripts/master/GoogleImageDirectLink/icon.png
// @updateURL https://greasyfork.org/scripts/3187-google-images-direct-link/code/Google%20Images%20direct%20link.meta.js
// @downloadURL https://greasyfork.org/scripts/3187-google-images-direct-link/code/Google%20Images%20direct%20link.user.js
// @supportURL https://github.com/Lorentz83/userscripts
// @license GPLv2; http://www.gnu.org/licenses/
// ==/UserScript==
/**
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
var addCss = function ( /* args... */) {
var css = new Array(arguments.length);
for (var i = 0; i < arguments.length; i++) {
css[i] = arguments[i];
}
var style = document.createElement('style');
style.type = 'text/css';
style.appendChild(document.createTextNode(css.join('\n')));
document.head.appendChild(style);
}
var parseUrl = function (url) {
var pos = url.indexOf('?');
if (pos < 0) {
return {};
}
var qparms = url.substring(pos + 1);
var rawparams = qparms.split('&');
var par = {};
for (var i = 0; i < rawparams.length; i++) {
var p = rawparams[i].split('=');
var key = decodeURIComponent(p[0]);
var value = decodeURIComponent(p[1]);
par[key] = value;
}
return par;
}
var getImageLinks = function (url) {
var param = parseUrl(url);
return {
toImgHref: param['imgurl'],
toPageHref: param['imgrefurl']
};
}
var stopEvent = function (event) {
event.stopPropagation();
}
var fixImageBox = function (div) {
if (div.dataset.fixed) {
return;
}
div.dataset.fixed = true;
// useful objects
var a = div.getElementsByTagName('a')[0];
var span = div.querySelector('span.rg_ilmn');
var links = getImageLinks(a.href);
//mirror style to container
div.style.height = a.style.height;
div.style.width = a.style.width;
div.style.left = a.style.left;
//replace image anchor
var newA = document.createElement('a');
newA.style = a.style;
while (a.childNodes.length) {
newA.appendChild(a.firstChild);
}
newA.href = links.toImgHref;
a.parentNode.replaceChild(newA, a);
a = newA;
//create the new container
var newContainer = document.createElement('div');
div.appendChild(newContainer);
newContainer.className = 'newCont';
newContainer.appendChild(a);
newContainer.appendChild(span.parentNode);
//create the link to the website
var spanLink = document.createElement('a');
spanLink.style.color = '#fff';
spanLink.textContent = span.textContent;
spanLink.href = links.toPageHref;
while (span.firstChild) {
span.removeChild(span.firstChild);
}
span.appendChild(spanLink);
span.addEventListener('click', stopEvent, false);
}
var waitLink = {
_conf: {
attributes: true,
attributeFilter: ['href']
},
_observer: new MutationObserver(function (mutations) {
mutations.forEach(function (mutation) {
if (mutation.target.parentNode != null) {
waitLink.prepareImageFix(mutation.target.parentNode)
}
});
}),
_watch: function (a) {
waitLink._observer.observe(a, waitLink._conf);
},
reset: function () {
waitLink._observer.disconnect();
},
prepareImageFix: function (div) {
var as = div.getElementsByTagName('a');
if (as.length > 0) {
if (as[0].href != '') {
fixImageBox(div);
} else {
waitLink._watch(as[0]);
}
}
}
}
// when the page loads, the first bunch of images are included directly in the html,
// the others are loaded asynchronously. This function fixs the first set.
var fixInitialImages = function () {
var container = document.getElementById('rg_s');
if (container === null) {
console.log('Cannot find the image container, is it a visually similar search?');
return;
}
var divs = container.children
for (var i = 0; i < divs.length; i++) {
var div = divs.item(i);
waitLink.prepareImageFix(div);
}
}
// img preview in google search or visually similar (only links to page)
// this function fixes the bunch of images at the top of a search (both visually similar and web)
var fixSearchPreview = function(){
var images = document.getElementsByClassName('bicc');
if (images.length) {
console.log('This appear to be a visually similar search')
}
for (var i = 0 ; i<images.length ; i++) {
var div = images[i];
var anchor = div.getElementsByTagName('a');
var img = div.getElementsByTagName('img');
if ( img.length == 1 && !div.classList.contains('imgPrev') ) {
div.className += ' imgPrev';
//div.style.border = '4em solid black';
var link = img[0].title;
var a = document.createElement('a');
a.href = link;
a.classList.add('imgSiteLnk');
a.textContent = link.split('/')[2];
div.appendChild(a);
}
}
}
var newSearchObserver = new MutationObserver(function (mutations) {
mutations.forEach(function (mutation) {
if (mutation.target.id=='irc_bg') {
// a big preview has been opened (i.e. clicking on a preview in a visually similar search)
var hash = parseUrl('?'+document.location.hash);
var name = hash['#imgrc'];
var els = document.getElementsByName(name);
if ( els.length > 0 ) {
var redirectTo = els.item(0).parentNode.href;
if (redirectTo) {
document.location.replace(redirectTo);
return;
} else {
console.log('Error, a big preview has been opened, but no url to redirect has been found');
}
}
}
if (mutation.target.id === 'rg_s') { // just other images have been loaded
for (var i = 0; i < mutation.addedNodes.length; i++) {
var newNode = mutation.addedNodes.item(i);
if (newNode.classList && newNode.classList.contains('rg_el')) {
waitLink.prepareImageFix(newNode);
}
}
}
if (mutation.target.id === 'rg') { // a new search has been done
waitLink.reset();
fixInitialImages();
fixSearchPreview();
}
});
});
// normal usage
var biggerContainer = document.getElementById('center_col');
newSearchObserver.observe(biggerContainer, {childList: true,subtree: true});
fixInitialImages();
fixSearchPreview();
// visually similar search img preview (oly links to image)
// these are the small images aside the page snippets
var similars = document.querySelectorAll('div#ires div.th a');
for (var i = 0 ; i < similars.length ; i++){
var a = similars[i];
var href = getImageLinks(a.href);
var newA = document.createElement('a');
newA.href = href.toImgHref;
newA.appendChild(a.firstChild);
a.parentNode.replaceChild(newA, a);
}
addCss(
'.newCont { min-height: 30px; position: relative; height:100%; overflow: hidden; }',
'.newCont>a { display: block; width: 100%; text-align: center; }',
'.newCont>a>img { display: inline-block; }', '.newCont > a :not(img) { display: none; visibility: hidden; }',
'.newCont .rg_ilmbg { display: none; left:0; }',
'.newCont:hover .rg_ilmbg { display: block; }',
'.newCont .rg_anbg, .newCont .rg_an { display: block; visibility: visible; text-align: left;}',
'a.imgSiteLnk {',
' background-color: rgba(0, 0, 0, 0.77);',
' bottom: 0;',
' color: #fff !important;',
' display: block;',
' line-height: normal;',
' position: absolute;',
' width: 100%; ',
' display: none;',
' overflow: hidden; text-overflow: ellipsis; white-space: nowrap;',
'}',
'.imgPrev:hover .imgSiteLnk { display: block }'
);