#!/bin/bash
# Author: Gregory D. Weber
# This script will install the fonts needed for Mozilla/Firefox to
# render MathML.

# Tell the script where you have Adobe Reader installed;
# otherwise, it will try to guess the location:
ACRO_HOME=/usr/local/acrobat-4.05

# ----------------------------------------------------------------------------

function giveUp () {
  echo "Error: cannot find Adobe Acrobat Reader."
  echo "If it is not installed, please install it now."
  echo "Otherwise, edit this script (mathml-fonts-install)"
  echo "and supply the correct value for the variable ACRO_HOME"
  echo "near the top of the file."
}

# Guess or find ACRO_HOME directory
if [ -d $ACRO_HOME ]; then
  true
elif [ -d /usr/local/Acrobat4 ]; then
  ACRO_HOME=/usr/local/Acrobat4
else
  # Try to find executable acroread and climb up the directory tree
  ACRO_BIN=`which acroread`
  if [ -z $ACRO_BIN ]; then
    giveUp
    exit 1
  else 
    if [ -h $ACRO_BIN ]; then 
      # dereference symbolic link
      ACRO_BIN=`readlink --canonicalize $ACRO_BIN`
    fi
    # Climb directory tree two levels up
    ACRO_HOME1=`dirname $ACRO_BIN`
    ACRO_HOME=`dirname $ACRO_HOME1`
  fi
fi

ACRO_SYMBOL=$ACRO_HOME/Resource/Font/Symbol
if [ -d $ACRO_HOME -a -f $ACRO_SYMBOL ]; then
  echo "Found Adobe Reader home directory = $ACRO_HOME"
  echo "Found Adobe Symbol font file = $ACRO_SYMBOL"
else
  giveUp
  exit 2
fi

# Install fonts needed for MathML in Mozilla Firefox

if [ $USER == "root" ]; then
  DEST=/usr/share/fonts
else
  DEST=$HOME/.fonts
fi

echo "Fonts will be installed in $DEST"

echo "Removing any previous installation"
rm -Rf $DEST/texcm-ttf $DEST/Mathematica-4.1 
rm -f $DEST/Adobe/Symbol

# Unpack archives
if [ -d texcm-ttf ]; then
  echo "Directory texcm-ttf already exists."
else
  echo "Unpacking texcm-ttf.zip"
  unzip texcm-ttf.zip > /dev/null
fi

if [ -d Mathematica-4.1 ]; then
  echo "Directory Mathematica-4.1 already exists."
else
  echo "Unpacking MathFonts_TrueType.exe"
  unzip -d Mathematica-4.1 MathFonts_TrueType.exe > /dev/null
fi

# Install files
echo "Installing texcm-ttf fonts"
mv texcm-ttf $DEST
echo "Installing Mathematica-4.1 fonts"
mv Mathematica-4.1 $DEST
echo "Installing Adobe Symbol font"
install -D $ACRO_SYMBOL $DEST/Adobe/Symbol

# Restart xfs
if [ $USER == "root" ]; then
  echo "Restarting X Font Server"
  service xfs restart
else
  echo "Installation complete.  Please reboot."
fi