var Event = Y.Event,

DOM = Y.DOM,

conf = {

on: function (node, subscription, notifier, filter) {

var isWin = (Y.UA.os === "windows"),

handles = [];

handles.push(Event._attach(["contextmenu", function (e) {

notifier.fire(e);

}, node]));

handles.push(node[filter ? "delegate" : "on"]("keydown", function (e) {

var target = this._node,

shiftKey = e.shiftKey,

keyCode = e.keyCode,

clientX,

clientY,

xy;

if ((isWin && shiftKey && keyCode == 121) || // F10

(!isWin && e.ctrlKey && shiftKey && e.altKey && keyCode == 77)) { // M

// Prevent IE's menubar from getting focus

// TO DO: confirm that this is necessary and for what browser(s)

e.preventDefault();

xy = DOM.getXY(target);

clientX = (xy[0] + (target.offsetWidth/2)) - DOM.docScrollX();

clientY = (xy[1] + (target.offsetHeight/2)) - DOM.docScrollY();

// TO DO: intentionally pass the wrong value to the button param to account for what simulate fixes?

Event.simulate(node.getDOMNode(), "contextmenu", {

bubbles: !!filter,

button: 2,

clientX: clientX,

clientY: clientY

});

}

}, filter));

subscription._handles = handles;

},

detach: function (node, subscription, notifier) {

Y.each(subscription._handles, function (handle) {

handle.detach();

});

}

};

conf.delegate = conf.on;

conf.detachDelegate = conf.detach;

Event.define("contextmenu", conf, true);