#! /bin/bash

# Try DESKTOP_LAUNCH

if [ -n "$DESKTOP_LAUNCH" ] ; then
  if [ -x "$DESKTOP_LAUNCH" ] ; then
    exec "$DESKTOP_LAUNCH" ${1+"$@"}
  fi

  LAUNCH="`which \"$DESKTOP_LAUNCH\" 2> /dev/null`"
  if [ -x "$LAUNCH" ] ; then
    exec "$LAUNCH" ${1+"$@"}
  fi
fi

# DESKTOP_LAUNCH not defined, we have to guess...

SESSION=
case "$DESKTOP_SESSION" in
  kde)       SESSION=kde ;;
  gnome)     SESSION=gnome ;;
esac

if [ -z "$SESSION" ] ; then
  WM="${WINDOWMANAGER##*/}"
  case "$WM" in
    *kde*)   SESSION=kde ;;
    *gnome*) SESSION=gnome ;;
  esac
fi

if [ -z "$SESSION" ] ; then
  if [ -n "$KDE_FULL_SESSION" ] ; then
    SESSION=kde
  fi
  if [ -n "$GNOME_DESKTOP_SESSION_ID" ] ; then
    SESSION=gnome
  fi
fi

KDE_DIR="/opt/kde3"
GNOME_DIR="/opt/gnome"

case "$SESSION" in
  kde)
    if [ "${1:0:5}" == "mailto:" ]; then 
       HANDLER="exec" 
    else 
       HANDLER="openURL" 
    fi 
    if [ -x "${KDE_DIR}/bin/kfmclient" ] ; then
       exec "${KDE_DIR}/bin/kfmclient" $HANDLER ${1+"$@"}
    fi
  ;;

  gnome)
    if [ -x "${GNOME_DIR}/bin/gnome-open" ] ; then
       exec "${GNOME_DIR}/bin/gnome-open" ${1+"$@"}
    fi
  ;;
esac

for browser in /usr/bin/mozilla \
               /usr/X11R6/bin/Netscape \
               /usr/X11R6/bin/MozillaFirebird
do
  if [ -x "${browser}" ] ; then
     exec "${browser}" ${1+"$@"}
  fi
done

xmessage -center "Unable to launch $1.
No browser was found."

exit 1