Open a Google Hangout in full-screen mode in Safari

open_hangout.scpt

(*
Open a specific Google Hangout in Safari's full-screen mode.

See blog post at http://singlebrook.com/blog/google-hangouts-for-remote-worker-telepresence for more,
including:
- instructions for creating persistent hangouts
- keeping machines in the hangout

leon@singlebrook.com
*)

-- CONFIGURE ME!
set hangout_url to "https://plus.google.com/hangouts/_/calendar/LONG_RANDOM_STRING"
-- END CONFIGURATION

tell application "Safari"
	-- Check to see if Hangout is already open
	activate
	delay 2
	try
		set currentURL to URL of current tab of front window
	on error errMsg
		set currentURL to ""
	end try
	
	if currentURL contains "plus.google.com" then
		-- It's already open
	else
		-- It's not open. Open it!
		open location hangout_url
		delay 12 --Sometimes it takes a while to open fully
		
		-- "Click" the Join button
		activate
		tell application "System Events"
			keystroke tab
			keystroke tab
			keystroke tab
			keystroke tab
			keystroke tab
			keystroke tab
			keystroke return
		end tell
	end if
	
	-- Check if it's already fullscreen
	set isfullscreen to false
	tell application "System Events" to tell process "Safari"
		try
			set isfullscreen to value of attribute "AXFullScreen" of window 1
		on error errMsg
			-- The above command fails when it's already fullscreen
			set isfullscreen to true
		end try
	end tell
	
	if isfullscreen is false then
		tell application "System Events" to keystroke "f" using {command down, control down}
	end if
end tell