Add Search Image context menu
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// ==UserScript==
// @name Google Image Search Context Menu
// @namespace lkytal
// @description Add Search Image context menu
// @author lkytal
// @license GPL
// @include *
// @version 3.0.0
// @icon http://lkytal.qiniudn.com/ic.ico
// @grant GM_openInTab
// @homepageURL https://greasyfork.org/scripts/344-google-image-search-context-menu
// @require http://code.jquery.com/jquery-2.1.0.min.js
// ==/UserScript==
if (!("contextMenu" in document.documentElement && "HTMLMenuItemElement" in window)) return;
var body = document.body;
body.addEventListener("contextmenu", initMenu, false);
var menu = body.appendChild(document.createElement("menu"));
menu.outerHTML = '<menu id="userscript-search-by-image" type="context">\
<menuitem id="SearchGoogle" label="Search this image"\
icon="data:image/png;base64,\
iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABHNCSVQICAgIfAhkiAAAAAlwSFlz\
AAAK6wAACusBgosNWgAAABx0RVh0U29mdHdhcmUAQWRvYmUgRmlyZXdvcmtzIENTNXG14zYAAAEl\
SURBVDiNY/z//z8DJYCRkIKsthv/kRX9Z2BgmFalARdiIcaGKZXqcH5O+01U+ay2G3MYGBiSiXUm\
mofnsBDSjEUTMkiBe2Eq1JnZ7TcZBHhZGNythBl0lLkZODmYGX7++sdw/sZnhl3H3zF8+voHwwsY\
FkR5ijNICLMzTF31hOHnr38MHGxMDJlhMgwv3vxkWL7jJYpaJmzu0lTigWtmYGBg+PHrH8P0VU8Y\
tJV5MNRiNYCfmxmuGQZ+/PrHwMmOqRyrAX///WfgYEOV4mBjwjAUpwHHL31iyA6XgRvCwcbEkBUm\
w3DuxmcMtVgDkYONicHLVoTBSJOXgYONieHHz38Ml+98Ydh88DXDtx//CBtACmBiYGCYS4H+OYyU\
5kasgUgKAADN8WLFzlj9rgAAAABJRU5ErkJggg=="></menuitem>\
<menuitem id="SearchBaidu" label="Search this Baidu"></menuitem>\
</menu>';
document.querySelector("#SearchGoogle").addEventListener("click", searchImage, false); //#userscript-search-by-image menuitem
document.querySelector("#SearchBaidu").addEventListener("click", search_baidu, false); //#userscript-search-by-image menuitem
function initMenu(aEvent) {
// Executed when user right click on web page body
// aEvent.target is the element you right click on
var node = aEvent.target;
//var item = document.querySelector("#userscript-search-by-image menuitem");
if (node.localName == "img") {
body.setAttribute("contextmenu", "userscript-search-by-image");
//item.setAttribute("imageURL", node.src);
$("#userscript-search-by-image menuitem").attr("imageURL", node.src);
} else {
body.removeAttribute("contextmenu");
//item.removeAttribute("imageURL");
}
}
function addParamsToForm(aForm, aKey, aValue) {
var hiddenField = document.createElement("input");
hiddenField.setAttribute("type", "hidden");
hiddenField.setAttribute("name", aKey);
hiddenField.setAttribute("value", aValue);
aForm.appendChild(hiddenField);
}
function searchImage(aEvent) {
// Executed when user click on menuitem
// aEvent.target is the <menuitem> element
var imageURL = aEvent.target.getAttribute("imageURL");
if (imageURL.indexOf("data:") == 0) {
var base64Offset = imageURL.indexOf(",");
if (base64Offset != -1) {
var inlineImage = imageURL.substring(base64Offset + 1).replace(/\+/g, "-").replace(/\//g, "_").replace(/\./g, "=");
var form = document.createElement("form");
form.setAttribute("method", "POST");
form.setAttribute("action", "//www.google.com.hk/searchbyimage/upload");
form.setAttribute("enctype", "multipart/form-data");
form.setAttribute("target", "_blank");
addParamsToForm(form, "image_content", inlineImage);
addParamsToForm(form, "filename", "");
addParamsToForm(form, "image_url", "");
body.appendChild(form);
form.submit();
}
} else {
GM_openInTab("http://www.google.com.hk/searchbyimage?image_url=" + encodeURIComponent(imageURL));
}
}
function search_baidu(aEvent) {
var imageURL = aEvent.target.getAttribute("imageURL");
GM_openInTab("http://stu.baidu.com/i?objurl=" + encodeURIComponent(imageURL) + "&filename=&rt=0&rn=10&ftn=searchstu&ct=1&stt=0&tn=shituresult");
}