Add Search Image context menu
// ==UserScript==
// @name Google Image Search Context Menu
// @description Add Search Image context menu
// @author lkytal
// @namespace Lkytal
// @version 3.0.7
// @homepage https://lkytal.github.io/
// @homepageURL https://lkytal.github.io/GM
// @license AGPL
// @include *
// @icon https://github.com/lkytal/GM/raw/master/icons/def.ico
// @grant GM_openInTab
// @run-at document-end
// @charset UTF-8
// @supportURL https://github.com/lkytal/GM/issues
// ==/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 image via google"\
icon="data:image/png;base64,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">\
</menuitem>\
<menuitem id="SearchBaidu" label="Search image via Baidu"></menuitem>\
</menu>';
document.querySelector("#SearchGoogle").addEventListener("click", searchImage, false);
document.querySelector("#SearchBaidu").addEventListener("click", search_baidu, false);
function initMenu(aEvent) {
var node = aEvent.target;
var item = document.querySelectorAll("#userscript-search-by-image menuitem");
if (node.localName == "img") {
body.setAttribute("contextmenu", "userscript-search-by-image");
for (var i = item.length - 1; i > -1; i--) {
item[i].setAttribute("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/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("//www.google.com/searchbyimage?image_url=" + encodeURIComponent(imageURL));
}
}
function search_baidu(aEvent) {
var imageURL = aEvent.target.getAttribute("imageURL");
GM_openInTab("//image.baidu.com/n/pc_search?queryImageUrl=" + encodeURIComponent(imageURL) + "&uptype=urlsearch");
}