如何连接Firefox插件选项按钮？

In Firefox, if you go to Tools -> Add-ons, in the list of extensions each one has an "Options" button. I would like to enable this for my extension and navigate the browser to a webpage where they can set options relating to my extension. The extension is an XPCOM extension, so if I can just register for a callback when the button is pressed, that would be ideal.In Firefox, if you go to Tools -> Add-ons, in t