How to create docking feature in webextension

Add-ons Development
#1

Hi
I am developing firefox add-on using web-extension. i would like to implement docking functionality (refer firebug dock bottom, dock right undock as new window). can anyone provide some references are sample applications related to this functionality. Thanks in advance.

#2

If you want something like a sidebar, then that’s not possible.
The only UI you have available are tabs, windows, the browser/pageActions popup panel and the optionsUI.

#3

There’s a plan for implementing sidebars (or something similar), but it’s still being worked on.