#
	# Copyright (c) 2009 The Chromium Authors. All rights reserved.
	# Use of this source code is governed by a BSD-style license that can be
	# found in the LICENSE file.

post_install() {
	gtk-update-icon-cache -q -t -f usr/share/icons/hicolor

	# Add icons to the system icons
	XDG_ICON_RESOURCE="`which xdg-icon-resource 2> /dev/null || true`"
	if [ ! -x "$XDG_ICON_RESOURCE" ]; then
	  echo "Error: Could not find xdg-icon-resource" >&2
	  exit 1
	fi
	for icon in product_logo_24.png product_logo_256.png product_logo_48.png product_logo_64.png product_logo_16.png product_logo_32.png product_logo_128.png ; do
	  size="$(echo ${icon} | sed 's/[^0-9]//g')"
	  "$XDG_ICON_RESOURCE" install --size "${size}" "/opt/meetsidekick.com/sidekick/${icon}" \
	    "sidekick-browser"
	done

	UPDATE_MENUS="`which update-mime-database usr/share/mime &> /dev/null 2> /dev/null || true`"
	if [ -x "$UPDATE_MENUS" ]; then
	  update-mime-database usr/share/mime &> /dev/null
	fi

	# Update cache of .desktop file MIME types. Non-fatal since it's just a cache.
	update-desktop-database > /dev/null 2>&1 || true

	# Updates defaults.list file if present.
	update_defaults_list() {
	  # $1: name of the .desktop file

	  local DEFAULTS_FILE="/usr/share/applications/defaults.list"

	  if [ ! -f "${DEFAULTS_FILE}" ]; then
	    return
	  fi

	  # Split key-value pair out of MimeType= line from the .desktop file,
	  # then split semicolon-separated list of mime types (they should not contain
	  # spaces).
	  mime_types="$(grep MimeType= /usr/share/applications/${1} |
	                cut -d '=' -f 2- |
	                tr ';' ' ')"
	  for mime_type in ${mime_types}; do
	    if egrep -q "^${mime_type}=" "${DEFAULTS_FILE}"; then
	      if ! egrep -q "^${mime_type}=.*${1}" "${DEFAULTS_FILE}"; then
	        default_apps="$(grep ${mime_type}= "${DEFAULTS_FILE}" |
	                        cut -d '=' -f 2-)"
	        egrep -v "^${mime_type}=" "${DEFAULTS_FILE}" > "${DEFAULTS_FILE}.new"
	        echo "${mime_type}=${default_apps};${1}" >> "${DEFAULTS_FILE}.new"
	        mv "${DEFAULTS_FILE}.new" "${DEFAULTS_FILE}"
	      fi
	    else
	      # If there's no mention of the mime type in the file, add it.
	      echo "${mime_type}=${1};" >> "${DEFAULTS_FILE}"
	    fi
	  done
	}

	update_defaults_list "sidekick-browser.desktop"

	# This function uses sed to insert the contents of one file into another file,
	# after the first line matching a given regular expression. If there is no
	# matching line, then the file is unchanged.
	insert_after_first_match() {
	  # $1: file to update
	  # $2: regular expression
	  # $3: file to insert
	  sed -i -e "1,/$2/ {
	    /$2/ r $3
	    }" "$1"
	}

	# If /usr/share/gnome-control-center/default-apps/gnome-default-applications.xml
	# exists, it may need to be updated to add ourselves to the default applications
	# list. If we find the file and it does not seem to contain our patch already
	# (the patch is safe to leave even after uninstall), update it.
	GNOME_DFL_APPS=/usr/share/gnome-control-center/default-apps/gnome-default-applications.xml
	if [ -f "$GNOME_DFL_APPS" ]; then
	# Conditionally insert the contents of the file "default-app-block" after the
	# first "<web-browsers>" line we find in gnome-default-applications.xml
	  fgrep -q "Sidekick Web Browser" "$GNOME_DFL_APPS" || insert_after_first_match \
	    "$GNOME_DFL_APPS" \
	    "^[ 	]*<web-browsers>[ 	]*$" \
	    "/opt/meetsidekick.com/sidekick/default-app-block"
	fi

	# System-wide package configuration.
	DEFAULTS_FILE="/etc/default/sidekick-browser"

	get_lib_dir() {
	  if [ "$DEFAULT_ARCH" = "i386" ]; then
	    LIBDIR=lib/i386-linux-gnu
	  elif [ "$DEFAULT_ARCH" = "amd64" ]; then
	    LIBDIR=lib/x86_64-linux-gnu
	  elif [ "$DEFAULT_ARCH" = "armhf" ]; then
	    LIBDIR=lib/arm-linux-gnueabihf
	  elif [ "$DEFAULT_ARCH" = "arm64" ]; then
	    LIBDIR=lib/aarch64-linux-gnu
	  elif [ "$DEFAULT_ARCH" = "mipsel" ]; then
	    LIBDIR=lib/mipsel-linux-gnu
	  elif [ "$DEFAULT_ARCH" = "mips64el" ]; then
	    LIBDIR=lib/mips64el-linux-gnuabi64
	  else
	    echo Unknown CPU Architecture: "$DEFAULT_ARCH"
	    exit 1
	  fi
	}

	NSS_FILES="libnspr4.so libplds4.so libplc4.so libssl3.so \
	    libnss3.so libsmime3.so libnssutil3.so"

	add_nss_symlinks() {
	  get_lib_dir
	  for f in $NSS_FILES
	  do
	    target=$(echo $f | sed 's/\.[01]d$//')
	    if [ -f "/$LIBDIR/$target" ]; then
	      ln -snf "/$LIBDIR/$target" "/opt/meetsidekick.com/sidekick/$f"
	    elif [ -f "/usr/$LIBDIR/$target" ]; then
	      ln -snf "/usr/$LIBDIR/$target" "/opt/meetsidekick.com/sidekick/$f"
	    else
	      echo $f not found in "/$LIBDIR/$target" or "/usr/$LIBDIR/$target".
	      exit 1
	    fi
	  done
	}

	remove_nss_symlinks() {
	  for f in $NSS_FILES
	  do
	    rm -rf "/opt/meetsidekick.com/sidekick/$f"
	  done
	}

	remove_udev_symlinks() {
	  rm -rf "/opt/meetsidekick.com/sidekick/libudev.so.0"
	}
	remove_udev_symlinks
	update-desktop-database -q
}

post_upgrade() {
	post_install
}

pre_remove() {
	# Remove icons from the system icons
	XDG_ICON_RESOURCE="`which xdg-icon-resource 2> /dev/null || true`"
	if [ ! -x "$XDG_ICON_RESOURCE" ]; then
	  echo "Error: Could not find xdg-icon-resource" >&2
	  exit 1
	fi
	for icon in product_logo_24.png product_logo_256.png product_logo_48.png product_logo_64.png product_logo_16.png product_logo_32.png product_logo_128.png ; do
	  size="$(echo ${icon} | sed 's/[^0-9]//g')"
	  "$XDG_ICON_RESOURCE" uninstall --size "${size}" "sidekick-browser"
	done

	UPDATE_MENUS="`which update-mime-database usr/share/mime &> /dev/null 2> /dev/null || true`"
	if [ -x "$UPDATE_MENUS" ]; then
	  update-mime-database usr/share/mime &> /dev/null
	fi

	# Update cache of .desktop file MIME types. Non-fatal since it's just a cache.
	update-desktop-database > /dev/null 2>&1 || true

	# Remove from the alternatives system

}

post_remove() {
	gtk-update-icon-cache -q -t -f usr/share/icons/hicolor

	# System-wide package configuration.
	DEFAULTS_FILE="/etc/default/sidekick-browser"

	update-desktop-database -q
}