If Caffeine is off: launch it, and tell user how long Caffeine will run for. If Caffeine is on, quit it.

Toggle-Caffeine.scpt

tell application "System Events"
	if exists (process "Caffeine") then
		tell application "Caffeine"
			if active is false then
				turn on
				do shell script "DURATION=`defaults read com.lightheadsw.caffeine.plist DefaultDuration`
				if [ \"$DURATION\" = \"0\" ]
				then 
				 	DURATION='Will run until quit' 
				else
					DURATION=\"Will remain on for $DURATION minutes\"
				fi

				growlnotify --appIcon 'Caffeine' --identifier 'CaffeineStatus' --message \"$DURATION\" --title 'Caffeine Now On'"
				
			else
				do shell script "growlnotify --appIcon 'Caffeine' --identifier 'CaffeineStatus' --message 'via Keyboard Maestro' --title 'Caffeine Now Off'"
				quit
				
			end if
		end tell
	else
		tell application "Caffeine" to run
		do shell script "ACTIVATE_ON_LAUNCH=`defaults read com.lightheadsw.caffeine.plist ActivateOnLaunch`

if [ \"$ACTIVATE_ON_LAUNCH\" = \"0\" ]
then

####
growlnotify --appIcon 'Caffeine' --identifier 'CaffeineStatus' --message 'set Activate on Launch to change behavior' 
--title 'Caffeine.app running,
but inactive'
####

else

	DURATION=`defaults read com.lightheadsw.caffeine.plist DefaultDuration`

	if [ \"$DURATION\" = \"0\" ]
	then
		DURATION='Will run until quit'
	else
		DURATION=\"Will remain on for $DURATION minutes\"
	fi

	growlnotify --appIcon 'Caffeine' --identifier 'CaffeineStatus' --message \"$DURATION\" --title 'Caffeine Now On'
fi

"
	end if
end tell