openImgRar.uc.js

// ==UserScript==
// @include        chrome://browser/content/browser.xul
// ==/UserScript==
location == "chrome://browser/content/browser.xul" && (function () {
	(function (m) {
		m.id = "openImgRar";
		m.addEventListener("command", function () {
			var file = Components.classes["@mozilla.org/file/local;1"].createInstance(Components.interfaces.nsILocalFile);
			try {
				var path = Components.classes["@mozilla.org/preferences-service;1"].getService(Components.interfaces.nsIPrefService).getCharPref("browser.cache.disk.parent_directory") + "\\Cache\\" + new Date().getTime() + ".rar";
				file.initWithPath(path);
			} catch (e) {
				var path = Components.classes["@mozilla.org/file/directory_service;1"].getService(Components.interfaces.nsIProperties).get("ProfLD", Components.interfaces.nsILocalFile).path + "\\Cache\\" + new Date().getTime() + ".rar";
			}
			file.initWithPath(path);
			Components.classes["@mozilla.org/embedding/browser/nsWebBrowserPersist;1"].createInstance(Components.interfaces.nsIWebBrowserPersist).saveURI(Components.classes["@mozilla.org/network/io-service;1"].getService(Components.interfaces.nsIIOService).newURI((gContextMenu.mediaURL || gContextMenu.imageURL), null, null), null, null, null, null, file, null);
			setTimeout(function () {
				file.launch();
			}, 100);
		}, false);
		m.setAttribute("label", "\u6253\u5F00\u56FE\u7247rar");
	})(document.getElementById("contentAreaContextMenu").insertBefore(document.createElement("menuitem"), document.getElementById("context-openlinkintab")));
	document.getElementById("contentAreaContextMenu").addEventListener("popupshowing", function () {
		gContextMenu.showItem("openImgRar", gContextMenu.onImage);
	}, false);
})()