#!/bin/ash

wfile="/run/user/$(id -u)/vmwins"

if [ "$1" = "pre" ]; then
	# Find all VirtualBox windows currently visible
	WINDOWS="$( xdotool search --onlyvisible --class VirtualBoxVM )"
	[ -z "$WINDOWS" ] && exit 0
	for window in $WINDOWS; do
		# minimize doesn't work for virtualbox...
		xdotool windowunmap --sync $window
		echo "$window" >> "$wfile" # Remember for later
	done
	# move mouse pointer around to avoid some problems with ghost clicks
	xdotool mousemove --sync 0 0
	usleep 10000
	xdotool mousemove --polar 0 0
	usleep 10000
fi

if [ "$1" = "post" ]; then
	# let's restore the windows
	WINDOWS="$( sort -u "$wfile" )"
	for window in $WINDOWS; do
		xdotool windowmap $window
	done
	rm -f -- "$wfile"
fi

exit 0