mozilla/addon-sdk — pull request #1038 by ZER0 (2013-06-18 17:03:14+00:00)
Title: Bug 787392 - Add Action/Toggle Button type

Works only on Australis. Please note that UX build is a WIP (e.g. last build doesn't show pressed on OS X, they're working on it).

This PR is also a WIP, Unit Test are coming.