A Grooveshark add-on currently targeted for Firefox Aurora (i.e. based on Mozilla's Add-On SDK) to allow control of Grooveshark player (through public JS API) once logged-in.
NOTE THAT THIS IS A WORK IN PROGRESS
* Proper panel layout / CSS styling. * Enhanced tooltips for next/previous songs (display associated information and arts). * Volume management. * Current song detailed information management (elapsed time, etc.). * Toolbar integration * Contextual menu integration