User:Blurred Lines/common.js

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The accompanying .css page for this skin can be added at User:Blurred Lines/common.css.

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/*global mw, jQuery*/
/*jshint curly:false */
jQuery(document).ready(function() {
'use strict';
	if (mw.config.get('wgNamespaceNumber') !== 6 || mw.config.get('wgAction') !== "view" || !document.getElementById('file')) return;
 
	var imgs = document.getElementById('file').getElementsByTagName('img');
	if (!imgs || imgs.length === 0) return; // No preview image, e.g. for large PNGs
 
	var imageurl = imgs[0].parentNode.href;
	if (!imageurl) return; /* This occurs with thumbs of videos for instance */
 
	// For the case of 'Error creating thumbnail: Invalid thumbnail parameters or PNG file with more than 12.5 million pixels'
	if (document.getElementById('file').getElementsByTagName('img').length <= 0) return; 
 
	if (document.getElementById('file').getElementsByTagName('img')[0].width <= 10000) {
		imageurl = document.getElementById('file').getElementsByTagName('img')[0].src; //Image smaller than 10000px width
	} else { //Get thumb url
		var n = imageurl.indexOf("/commons/");
		imageurl = imageurl.substring(0, n + ("/commons/").length) + "thumb/" + imageurl.substring(n + ("/commons/").length);
 
		n = imageurl.lastIndexOf('/') + 1;
		imageurl = imageurl + "/10000px-" + imageurl.substring(n); 
	}
 
	mw.util.addPortletLink('p-cactions', 'https://www.google.com/searchbyimage?image_url=' + encodeURIComponent(imageurl), 'Google Images', 'ca-googleimages', null);
});