#!/bin/sh

# Do not use the graphlcd plugin commandline or udev to connect the display.
# The display will be controlled only by this Script based upton user activity

# Enter here the display specific values
#
DISPLAY="serdisp"
SKIN="sdc_240x128"
SWITCH_OFF_CMD="sdcmegtron_tool -b 0"
SWITCH_ON_CMD=""
#
# END OF CONFIG SECTION



switch_lcd(){
  if [ "${1}" = "on" ]; then
    # switch display on
    [ -n "${SWITCH_ON_CMD}" ] && ${SWITCH_ON_CMD}
    # connect the display to graphlcd
    /usr/bin/dbus-send --system --type=method_call --dest=de.tvdr.vdr /Plugins/graphlcd de.tvdr.vdr.plugin.SVDRPCommand string:"connect" string:"${DISPLAY} ${SKIN}"
  else
    # disconnect the display from graphlcd
      # " > /dev/null" because "--print-reply"
      # --print-reply return not before graphlcd ist done with disconn
    /usr/bin/dbus-send --system --type=method_call --print-reply --dest=de.tvdr.vdr /Plugins/graphlcd de.tvdr.vdr.plugin.SVDRPCommand string:"disconn" string:"${DISPLAY}" > /dev/null
    # switch display off
    [ -n "${SWITCH_OFF_CMD}" ] && ${SWITCH_OFF_CMD}
  fi
}



case "${1}" in
  startup)
    true
  ;;
  started)
    [ "${2}" = "true" ] && switch_lcd on
  ;;
  shutdown)
    switch_lcd off
  ;;
  running)
    if [ "${2}" = "true" ]; then
      switch_lcd on
    else
      switch_lcd off
    fi
  ;;
esac

exit 0