おれのやつ
(function() {
var searchbar = document.getElementById("searchbar");
searchbar._textbox.addEventListener("popupshowing", function(aEvent) {
var menupopup = aEvent.originalTarget;
var refChild = menupopup.getElementsByAttribute("cmd", "cmd_paste")[0];
var canPaste = refChild.getAttribute("disabled") == "true";
var menuitem = document.getElementById("pasteandsearch-menuitem");
if (!menuitem) {
var pasteAndSearch = function(aEvent) {
if (aEvent.type == "click" && aEvent.button != 1)
return;
// paste
goDoCommand("cmd_paste");
// and search
searchbar.handleSearchCommand();
// close popup
menupopup.hidePopup();
};
menuitem = document.createElement("menuitem");
menuitem.id = "pasteandsearch-menuitem"
menuitem.setAttribute("label", "Paste and Search");
menuitem.setAttribute("accesskey", "E");
menuitem.addEventListener("command", pasteAndSearch, false);
menuitem.addEventListener("click", pasteAndSearch, false);
menupopup.insertBefore(menuitem, refChild.nextSibling);
}
menuitem.setAttribute("disabled", canPaste.toString());
}, false);
})();