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 3.0.1
// @icon http://lkytal.qiniudn.com/ic.ico
// @grant GM_openInTab
// @homepageURL https://git.oschina.net/coldfire/GM
// ==/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,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">\
</menuitem>\
<menuitem id="SearchBaidu" label="Search this Baidu"></menuitem>\
</menu>';
document.querySelector("#SearchGoogle").addEventListener("click", searchImage, false);
document.querySelector("#SearchBaidu").addEventListener("click", search_baidu, false);
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.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.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");
}