gistfile1.sh

#!/usr/bin/env bash

WIFI_MOD="ath_pci"
XUSER="nomius"
TASK_MANAGER_COMMAND="urxvt -tr +sb -sh 30 -fn fixed -fg white -ls \
							-bd red +vb -title htop -bl -hc blue -e htop"
DEFAULT_AP=Apollo

setXuser() {
	if [ -S /tmp/.X11-unix/X0 ]; then
		export DISPLAY=":0.0"
		export XU=$(ps axfu | grep -v grep | grep xinit | grep X | \
					awk '{print $1}')
		if [ -z "$XU" ]; then 
			logger "Could not verify user for X:"
			logger "Falling back to XUSER: $XUSER"
			XU="$XUSER"
		else
			logger "Found X session user: $XU"
		fi
		XAUTHORITY=/home/$XU/.Xauthority
		[ -f $XAUTHORITY ] && export XAUTHORITY
		export XU
	else
		logger "X not probably running"
		exit 1
	fi
}

suspend2ram() {
	logger "Going to suspend mode"
	if [ -n "${XU}" ]; then
		xset dpms force off
	else
		vbetool dpms off
	fi
	if grep -q mem /sys/power/state; then
		sync
		sleep 1
		echo -n "mem" > /sys/power/state
	fi
	vbetool dpms on
	logger "Restoring from suspend more"
}

setspeed() {
	if grep -q 'off-line' /proc/acpi/ac_adapter/AC0/state; then
		logger "Setting machine to powersave mode"
		corectl gobernor powersave
	else
		logger "Setting machine to ondemand mode"
		corectl gobernor ondemand
	fi
}

manage_hotkeys() {
	case "$2" in
		'00000010') # Wireless button
			if [ "$(lsmod | grep "${WIFI_MOD}")" != "" ]; then
				logger "Turning Wireless device off"
				dhcpcd -k ath0
				ip link set ath0 down
				rmmod ath_pci
			else
				logger "Turning Wireless device on"
				modprobe ath_pci
				ip link set ath0 up
				if [ -n "${DEFAULT_AP}" ]; then
					iwconfig ath0 essid "${DEFAULT_AP}"
					if [ $? -eq 0 ]; then
						dhcpcd ath0
					fi
				fi
			fi
		;;
		'00000037') # Touchpad button
			setXuser
			logger "Toggle touchpad device"
            if [ "$(synclient -l | grep TouchpadOff | awk '{print $3}')" = "0" ]; then
				synclient TouchpadOff=1
			else
				synclient TouchpadOff=0
			fi
		;;
		'00000038') # Display resize
			setXuser
			[ ! -f /tmp/.acpi/_xsize ] && echo 0 > /tmp/.acpi/_xsize
			before=$(cat /tmp/.acpi/_xsize)
			if [ "${before}" == '0' ]; then
				xrandr -s 1
				echo 1 > /tmp/.acpi/_xsize
			elif [ "${before}" == '1' ]; then
				xrandr -s 0
				echo 0 > /tmp/.acpi/_xsize
			fi
			logger "Switching display size"
			echo
		;;
		'00000016') # Turn off display
			before=$(cat /tmp/.acpi/_dpms)
			if [ "${before}" == "off" ]; then
				if [ -n "${XU}" ]; then
					setXuser
					su ${XU} --login -c xset dpms force on
				else
					vbetool dpms on
				fi
				logger "Turning display on"
				echo on > /tmp/.acpi/_dpms
			else
				if [ -n "${XU}" ]; then
					setXuser
					su ${XU} --login -c xset dpms force off
				else
					vbetool dpms off
				fi
				logger "Turning display off"
				echo off > /tmp/.acpi/_dpms
			fi
		;;
		'00000030') # Swtich displays (vga and lvds)
			setXuser
			[ -z "${XU}" ] && exit 0
			[ ! -f /tmp/.acpi/_display ] && echo lvds > /tmp/.acpi/_display
			before=$(cat /tmp/.acpi/_display)
			if [ "${before}" == "vga" ]; then
				logger "Setting display output to LVDS"
				su ${XU} --login -c xrandr --output LVDS --preferred \
									       --output VGA --off 
				echo lvds > /tmp/.acpi/_display
			fi
			if [ "${before}" == "lvds" ]; then
				logger "Setting display output to VGA"
				su ${XU} --login -c xrandr --output LVDS --off \
									       --output VGA --preferred 
				echo vga > /tmp/.acpi/_display
			fi
		;;
		'00000012') # Start the "task manager" (htop! :-D)
			setXuser
			logger "Starting the task manager"
			su $XU --login -c "$TASK_MANAGER_COMMAND" &
		;;
		'00000013') # Sound toggle
			amixer set LineOut toggle
			amixer set iSpeaker toggle
		;;
		'00000014') # Volume Down
			amixer set LineOut 4%-
		;;
		'00000015') # Volume Up
			amixer set LineOut 4%+
		;;
		'00000039') # Toggle speed (with space key)
			if [ "$(cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor)"  = "ondemand" ]; then
				if grep -q 'off-line' /proc/acpi/ac_adapter/AC0/state; then
					logger "Setting powersave gobernor"
					corectl gobernor powersave
				else
					logger "Setting performance gobernor"
					corectl gobernor performance
				fi
			elif [ "$(cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor)"  = "powersave" ]; then
				logger "Setting ondemand gobernor"
				corectl gobernor ondemand
			elif [ "$(cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor)"  = "performance" ]; then
				logger "Setting ondemand gobernor"
				corectl gobernor ondemand
			fi
		;;
		'0000001a') # Toggle camera (X button in the extra buttons panel)
			if [ "$(cat	/sys/devices/platform/eeepc/camera)" == "0" ]; then
				echo 1 > /sys/devices/platform/eeepc/camera
			else
				echo 0 > /sys/devices/platform/eeepc/camera
			fi
	esac
}

case "$1" in
	'button/sleep'|'button/lid')
		suspend2ram
		sleep 1
		setspeed
	;;
	'button/power')
		/sbin/shutdown -t3 -h now
	;;

	'hotkey')
		manage_hotkeys ${2} ${3} ${4}
	;;
	'ac_adapter')
		if grep -q 'off-line' /proc/acpi/ac_adapter/AC0/state; then
			logger "Setting machine to powersave mode"
			corectl gobernor powersave
			echo 0 > /sys/devices/virtual/backlight/eeepc/brightness
			echo 1 > /proc/sys/vm/laptop_mode
		else
			logger "Setting machine to ondemand mode"
			corectl gobernor ondemand
			echo 3 > /sys/devices/virtual/backlight/eeepc/brightness
			echo 0 > /proc/sys/vm/laptop_mode
			echo 40 > /sys/devices/system/cpu/cpu0/cpufreq/ondemand/up_threshold
		fi
	;;
esac