79 lines
1.3 KiB
Bash
Executable File
79 lines
1.3 KiB
Bash
Executable File
#!/bin/sh
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# Uncomment the following line to get debug info
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#set -x
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SELF="$(basename ${0})"
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NOTIFICATION_DISPLAY=/sys/class/graphics/fb0/notification
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usage() {
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>&2 echo "Usage: ${SELF} set duration message"
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>&2 echo " ${SELF} display duration message"
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>&2 echo " ${SELF} clear"
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exit 1
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}
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notif_clear() {
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echo -n "clear" > "${NOTIFICATION_DISPLAY}"
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}
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notif_display() {
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local duration="${1}"
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local message="${*:2}"
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if ! [ ! "${duration}" -ne "${duration}" ] 2> /dev/null; then
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>&2 echo "error: ${duration} is not a number"
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exit 3
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fi
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echo -n "${message}" > "${NOTIFICATION_DISPLAY}"
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if [ ${duration} -ne 0 ]; then
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sleep ${duration}
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notif_clear
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fi
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}
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notif_set() {
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local duration="${1}"
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local message="${*:2}"
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if ! [ ! "${duration}" -ne "${duration}" ]; then
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>&2 echo "error: ${duration} is not a number"
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exit 2
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fi
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# Kill previous notif disp process
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pkill -f "notif display" 2> /dev/null
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# Print new notif
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notif display "${duration}" "${message}" &
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}
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case "${1}" in
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set)
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if [ ${#} -ne 3 ]; then
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usage
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fi
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shift
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notif_set "${1}" "${2}"
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;;
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clear)
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if [ ${#} -ne 1 ]; then
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usage
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fi
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notif_clear
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;;
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display)
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if [ ${#} -ne 3 ]; then
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usage
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fi
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shift
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notif_display "${1}" "${2}"
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;;
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*)
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usage
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;;
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esac
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exit 0
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