# /etc/rc.d/init.d/splash-functions - splashfunctions for busybox' fbsplash with tykef patch
# $Id$

[[ -f /etc/splash/splash.conf ]] && . /etc/splash/splash.conf

splash()
{
	local cmd
	local args

	# check for a framebuffer console first!
	[[ ! -e ${SPLASH_DEV} ]] && return 0
	# proc must be mounted too
	[[ ! -e /proc/cmdline ]] && return 0
	# only run fbsplash if theme was found
	[[ ! -e ${SPLASH_THEMES}/${SPLASH_THEME} ]] && return
	# and run only if a config for the current resolution exist
	[[ ! -e ${SPLASH_THEMES}/${SPLASH_THEME}/$(splash_resolution).conf ]] && return

	# create fifo if not exist
	if [[ ! -w ${SPLASH_FIFO} ]]
	then
		mkfifo ${SPLASH_FIFO}
	fi

	# check cmdline for config_opts
	#   splash=silent,theme:mcore
	for cmd in $(< /proc/cmdline)
	do
		case "${cmd}" in
			splash=*)
				# split the cmd and put everything into an array
				args=( $(echo "${cmd}" | sed 's:[,\:=]:\ :g') )
				# mode is always args[1]
				SPLASH_MODE="${args[1]}"
				# theme is always args[3]
				SPLASH_THEME="${args[3]}"
				;;
		esac
	done

	case $1 in
		rc_init) rc_init ;;
		rc_verbose|rc_exit) rc_exit ;;
		# redraw splash image and text
		svc_started)
			if [[ ${runlevel} = boot ]] || [[ ${runlevel} = sysinit ]]
			then
				splash_control "image:"
				splash_control "write:${SPLASH_BOOT_MESSAGE}"
			fi
			;;
		svc_stopped)
			if [[ ${runlevel} = shutdown ]]
			then
				splash_control "image:"
				splash_control "write:${SPLASH_SHUTDOWN_MESSAGE}"
			fi
			if [[ ${runlevel} = reboot ]]
			then
				splash_control "image:"
				splash_control "write:${SPLASH_REBOOT_MESSAGE}"
			fi
			;;
	esac
}

rc_init()
{
	if [[ ${SPLASH_MODE} = silent ]]
	then
		local resolution="$(splash_resolution)"

		chvt ${SPLASH_TTY}
		sleep 0.5

		if [[ ${runlevel} = boot ]] || [[ ${runlevel} = sysinit ]]
		then
			fbsplash -i ${SPLASH_THEMES}/${SPLASH_THEME}/${resolution}.conf \
				-s ${SPLASH_THEMES}/${SPLASH_THEME}/startup-${resolution}.ppm.gz \
				-m ${SPLASH_THEMES}/${SPLASH_THEME}/splash-font.gz \
				-f ${SPLASH_FIFO} \
				-d ${SPLASH_DEV} \
				${SPLASH_OPTS} &

			wait_for_fbsplash
			splash_control "write:${SPLASH_BOOT_MESSAGE}"
		fi

		if [[ ${runlevel} = shutdown ]]
		then
			fbsplash -i ${SPLASH_THEMES}/${SPLASH_THEME}/${resolution}.conf \
				-s ${SPLASH_THEMES}/${SPLASH_THEME}/shutdown-${resolution}.ppm.gz \
				-m ${SPLASH_THEMES}/${SPLASH_THEME}/splash-font.gz \
				-f ${SPLASH_FIFO} \
				-d ${SPLASH_DEV} \
				${SPLASH_OPTS} &

			wait_for_fbsplash
			splash_control "write:${SPLASH_SHUTDOWN_MESSAGE}"
		fi

		if [[ ${runlevel} = reboot ]]
		then
			fbsplash -i ${SPLASH_THEMES}/${SPLASH_THEME}/${resolution}.conf \
				-s ${SPLASH_THEMES}/${SPLASH_THEME}/reboot-${resolution}.ppm.gz \
				-m ${SPLASH_THEMES}/${SPLASH_THEME}/splash-font.gz \
				-f ${SPLASH_FIFO} \
				-d ${SPLASH_DEV} \
				${SPLASH_OPTS} &

			wait_for_fbsplash
			splash_control "write:${SPLASH_REBOOT_MESSAGE}"
		fi
	fi
}

rc_exit()
{
	if [[ ${SPLASH_MODE} = silent ]]
	then
		splash_control "exit"
		if [[ -n ${SPLASH_X11_TTY} ]]
		then
			chvt ${SPLASH_X11_TTY}
		else
			chvt 1
		fi
	fi
}

splash_resolution()
{
	fbres
}

wait_for_fbsplash()
{
	while [[ -z $(pidof fbsplash) ]]
	do
		sleep 0.1
	done
}

splash_control()
{
	# only write to fifo if the fbsplash process is runnning
	# or the console will hang
	if [[ -n $(pidof fbsplash) ]]
	then
		echo "$@" > ${SPLASH_FIFO}
	fi
}