-icetrayShowHideoption (useful for window manager's keyboard shortcuts)
-icetrayPresentoption (activates windows)
middle click on the tray icon activates last registered window
for mail applications:
show icon only when new mail (mutually exclusive with show icon only when hidden to tray)
for applications embedding chat (currently only Icedove-UXP)
tabs.warnOnClosebuilt-in preference, which otherwise disrupts the handeling of the close event
mail.biff.show_tray_iconfor mail applications
discontinued Mozilla New Mail Icon (Biff)
Alltray launches any applications into tray
windows aren't restored with the same z-order, but there is no means to correct that under Linux
notifications for excluded mail account servers are not
disabled. Newmailalerts are
and we can't easily disable them on a per-server basis (only globally, see
mail.biff.show_alert). The proper way would probably be to disable default
notifications globally, and handle notifications ourselves. This is out of
the scope of this addon, but you may want to give a try to the
child windows (compose message, preferences, ...) are not handled by Icetray. For ex., they are not hidden along with there top-level window.
it's impossible to display an accurate count of new messages. The best we
can do is display a biff icon.
POP users should set http://kb.mozillazine.org/Thunderbird_:_FAQs_:_Automatically_Download_Messages to see new message. See this discussion.
some features do not work well under Unity/Compiz.