#!/bin/bash
echo "Setting environment variables."
# LOCKFILE is use to serialize access. Only one instance of
# firefox can be accessed.
MAX_WAIT=150
LOCKFILE=/tmp/FPRINT_LOCK
FIREFOX_PROFILE=mozillaprint
export FIREFOX_INSTALL_PATH=/home/qan/mozilla-print/lib/firefox-1.5.0.1
export LD_LIBRARY_PATH=${FIREFOX_INSTALL_PATH}
export MOZ=${FIREFOX_INSTALL_PATH}/firefox-bin
export HOME=/home/qan
export MOZ_NO_REMOTE=1
# if an instance is running, wait till completion
# wait at most ${MAX_WAIT} sec. If more give up.
COUNTLOOP=0
while [ -f ${LOCKFILE} ] ; do
	sleep 1;
	((COUNTLOOP++))
	if [ ${COUNTLOOP} -eq ${MAX_WAIT} ] ; then
		echo "Impossible to LOCK, error."
		exit -1
	fi
done
touch ${LOCKFILE}
echo "excuting ${MOZ} --display=:0 ${MOZ_PDF_CONVERT_URL} -P ${FIREFOX_PROFILE} &."
${MOZ} --display=:0 "${MOZ_PDF_CONVERT_URL}" -P ${FIREFOX_PROFILE} &
# save PID
PID=$!
# Until the postscript file is created, sleep.
# wait at most ${MAX_WAIT} sec. If more give up.
COUNTLOOP=0
until [ -f ${MOZ_PS_FILENAME} ] ; do
	sleep 1;
	((COUNTLOOP++))
	if [ ${COUNTLOOP} -eq ${MAX_WAIT} ] ; then
		echo "Postscript file creation error."
		kill -9 ${PID}
		rm -f ${LOCKFILE}
		exit -1
	fi
done
# kill mozilla instance
echo "Killing ${MOZ} ${PID}."
kill -9 ${PID}
echo "Converting ${MOZ_PS_FILENAME} to pdf with ps2pdf ${MOZ_PS_FILENAME} ${MOZ_PDF_FILENAME}."
# convert postscript to pdf 1.4
ps2pdf -dCompatibilityLevel=1.4 -dPDFSETTINGS=/screen -dEncodeGrayImages=true -dEncodeMonoImages=true -dEncodeColorImages=true -dCompressPages=true -dOffOptimizations=0 ${MOZ_PS_FILENAME} ${MOZ_PDF_FILENAME}
rm -f ${LOCKFILE}
echo "done."