browser

#!/bin/sh

# General script to start a browser.  Possible browsers:
# graphical: firefox qutebrowser dwb luakit jumanji surf uzbl
# text: elinks w3m links lynx

type=graphical
mode=normal
branch=normal
pipe=false

usage () {
  local prog=${0##*/}
  echo "Usage: $prog [-dgptx] [url]"
  echo "       cat file.html | $prog -s [options]"
  echo "       $prog -h"
}
help () {
  usage
  echo
  printf '  %s\t%s\n' \
    -d 'use development code of the browser'         \
    -g 'open a graphical browser'                    \
    -h 'show this help'                              \
    -p 'start in private browsing mode (implies -g)' \
    -s 'expect document on stdin (no url allowed)'   \
    -t 'open a text browser'                         \
    -x 'activate debug output'                       \

}

qutebrowser () {
  qutebrowser_$mode "$@"
}
qutebrowser_dev () {
  #export QT_QPA_PLATFORM=wayland-egl QT_WAYLAND_DISABLE_WINDOWDECORATION=1
  export PYTHONPATH=~/vcs/qutebrowser
  python -m qutebrowser "$@"
}
qutebrowser_stable () {
  command qutebrowser "$@"
}
qutebrowser_normal () {
  qutebrowser_stable "$@"
}
qutebrowser_private () {
  local tempdir=$(mktemp -d)
  cp -r ~/.config/qutebrowser "$tempdir/config"
  mkdir "$tempdir/data"
  cp -r ~/.local/share/qutebrowser/userscripts "$tempdir/data/userscripts"
  #trap 'rm -rf "$tempdir"' EXIT SIGTERM SIGKILL
  qutebrowser_$branch \
    --basedir "$tempdir" \
    --set auto_save.session false \
    --set content.javascript.enabled false \
    :adblock-update \
    "$@"
    #--set content.headers.user_agent 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.106 Safari/537.36' \
  rm -rf "$tempdir"
}
firefox_profiles () {
  local ini=$HOME/.mozilla/firefox/profiles.ini
  grep '^Name=' "$ini" | cut -f 2 -d =
}
firefox_mac () {
  local profile
  for profile in $(firefox_profiles); do
    if [ "$profile" = "$1" ]; then
      # TODO
      exec open -na Firefox --args -P "$profile" -no-remote
    fi
  done
  echo "$1 is not a valid profile. Try one of $(firefox_profiles)."
  exit 2
}
firefox () {
  export VIMPERATOR_RUNTIME=~/.config/vimperator
  export VIMPERATOR_INIT="source $VIMPERATOR_RUNTIME/vimperatorrc"
  exec firefox "$@"
}
firefox_new () {
  local user=${1:-$USER}
  shift
  firefox -new-instance -P "$user" "$@"
}
firefox_private () {
  exec firefox --new-instance --private-window "$@"
}

text () {
  local text_browser=elinks
  if [ -t 1 ] || [ -t 2 ]; then
    exec "$text_browser" "$@"
  else
    exec term -e "$text_browser" "$@"
  fi
}
graphical () {
  qutebrowser "$@"
}

while getopts hdgpstx opt; do
  case $opt in
    d) branch=dev;;
    g) type=graphical;;
    h) help; exit;;
    p) mode=private;;
    s) pipe=true;;
    t) type=text;;
    x) set -x;;
    *) usage >&2; exit 2;
  esac
done
shift $((OPTIND-1))

if [ $# -eq 1 ] && [ "$1" = - ]; then
  shift
  pipe=true
fi

if $pipe; then
  # save stdin to a file
  file=$(mktemp -t tmp-$$-XXXXXX) || exit 3
  trap 'trap - HUP INT TERM; rm -f "$file" "$file.html"' HUP INT TERM
  cat > "$file" || exit 4
  case $(file --brief --mime-type "$file") in
    text/html)
      mv "$file" "$file.html"
      file=$file.html
      ;;
  esac
  $type "$file"
else
  $type "$@"
fi