#!/bin/bash

# Copyright (c) 2012 dz0ny && 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.

CHROME="/opt/chromeos/chrome"
WMM="matchbox-window-manager -use_titlebar no"

# Custom version string for this release. This can be used to add a downstream
# vendor string or release channel information.
export CHROME_VERSION_EXTRA="ubuntu"

## start script

export USER=$(whoami)
export DATA_DIR=/home/${USER}/chrome-os
export LOGIN_PROFILE_DIR=${DATA_DIR}/Default
export LOGNAME=${USER}
export SHELL=/bin/bash
export HOME=${DATA_DIR}/user

mkdir -p ${DATA_DIR} && chown ${USER}:${USER} ${DATA_DIR}
mkdir -p ${HOME} && chown ${USER}:${USER} ${HOME}

# Directory where Chrome logs are written and prefix of files there.
export CHROME_LOG_DIR=${DATA_DIR}/log/chrome
export CHROME_LOG_PREFIX=chrome

# Directory where session manager logs are written and prefix of files there.
export UI_LOG_DIR=${DATA_DIR}/log/ui
export UI_LOG_FILE=ui.LATEST

mkdir -p $CHROME_LOG_DIR
chown ${USER}:${USER} $CHROME_LOG_DIR

mkdir -p $UI_LOG_DIR
ln -sf ui.$(date +%Y%m%d-%H%M%S) $UI_LOG_DIR/$UI_LOG_FILE

# Tell Chrome where to write logging messages.
# $CHROME_LOG_DIR and $CHROME_LOG_PREFIX are defined in ui.conf,
# and the directory is created there as well.
export CHROME_LOG_FILE="${CHROME_LOG_DIR}/${CHROME_LOG_PREFIX}"

# Log directory for this session.  Note that ${HOME} might not be
# mounted until later (when the cryptohome is mounted), so we don't
# mkdir CHROMEOS_SESSION_LOG_DIR immediately.
export CHROMEOS_SESSION_LOG_DIR="${HOME}/log"

# Forces Chrome mini dumps that are sent to the crash server to also be written
# locally.  Chrome by default will create these mini dump files in
# ~/.config/google-chrome/Crash Reports/

export CHROME_HEADLESS=1

echo "USER is : ${USER}"
echo "Data dir is : ${DATA_DIR}"

mkdir -p ${DATA_DIR} && chown ${USER}:${USER} ${DATA_DIR}
mkdir -p ${HOME} && chown ${USER}:${USER} ${HOME}

# Old builds will have a ${LOGIN_PROFILE_DIR} that's owned by root; newer ones
# won't have this directory at all.
mkdir -p ${LOGIN_PROFILE_DIR}
chown ${USER}:${USER} ${LOGIN_PROFILE_DIR}

CONSENT_FILE="$DATA_DIR/Consent To Send Stats"

# We need to delete these files as Chrome may have left them around from
# its prior run (if it crashed).
rm -f ${DATA_DIR}/SingletonLock
rm -f ${DATA_DIR}/SingletonSocket

# Set an environment variable to prevent Flash asserts from crashing the plugin
# process.
export DONT_CRASH_ON_ASSERT=1

# Look for pepper plugins and register them
PEPPER_PATH=/opt/chromeos-plugins
REGISTER_PLUGINS=
COMMA=
FLASH_FLAGS=
PPAPI_FLASH_FLAGS=
for file in $(find $PEPPER_PATH -name '*.plugin-info'); do
  FILE_NAME=
  PLUGIN_NAME=
  DESCRIPTION=
  VERSION=
  MIME_TYPES=
  . $file
  [ -z "$FILE_NAME" ] && continue
  PLUGIN_STRING="${FILE_NAME}"
  if [ -n "$PLUGIN_NAME" ]; then
    PLUGIN_STRING="${PLUGIN_STRING}#${PLUGIN_NAME}"
    if [ -n "$DESCRIPTION" ]; then
      PLUGIN_STRING="${PLUGIN_STRING}#${DESCRIPTION}"
      [ -n "$VERSION" ] && PLUGIN_STRING="${PLUGIN_STRING}#${VERSION}"
    fi
  fi
  if [ "$PLUGIN_NAME" = "Shockwave Flash" ]; then
    # Flash is treated specially.
    FLASH_FLAGS="--ppapi-flash-path=${FILE_NAME}"
    FLASH_FLAGS="${FLASH_FLAGS} --ppapi-flash-version=${VERSION}"
    PPAPI_FLASH_FLAGS="--ppapi-flash-args=enable_hw_video_decode=0"
    PPAPI_FLASH_FLAGS="${PPAPI_FLASH_FLAGS},enable_stagevideo_auto=1"
    PPAPI_FLASH_FLAGS="${PPAPI_FLASH_FLAGS},enable_trace_to_console=0"
  else
    PLUGIN_STRING="${PLUGIN_STRING};${MIME_TYPES}"
    REGISTER_PLUGINS="${REGISTER_PLUGINS}${COMMA}${PLUGIN_STRING}"
    COMMA=","
  fi
done
if [ -n "$REGISTER_PLUGINS" ]; then
  REGISTER_PLUGINS="--register-pepper-plugins=$REGISTER_PLUGINS"
fi

echo "Detected plugins : ${REGISTER_PLUGINS}"
echo "Detected flash : ${FLASH_FLAGS}"
echo "Detected flash-flags : ${PPAPI_FLASH_FLAGS}"

# Setup GPU & acceleration flags which differ between x86/ARM SoC
ACCELERATED_FLAGS="--enable-accelerated-layers"

export LC_CTYPE=en_US.utf8

exec $WMM & $CHROME --compress-sys-feedback \
            --disable-seccomp-sandbox \
            --enable-accelerated-plugins \
            --enable-gview \
            --enable-logging \
            --enable-partial-swap \
            --enable-smooth-scrolling \
            --enable-sync-tabs \
            --enable-sync-tabs-for-other-clients \
            --enable-threaded-compositing \
            --enable-ui-release-front-surface \
            --enterprise-enrollment-initial-modulus=5 \
            --enterprise-enrollment-modulus-limit=12 \
            --force-compositing-mode \
            --load-opencryptoki \
            --log-level=0 \
            --login-manager \
            --login-profile=user \
            --reload-killed-tabs \
            --scroll-pixels=3 \
            --ui-enable-partial-swap \
            --ui-enable-per-tile-painting \
            --ui-prioritize-in-gpu-process \
            --use-cras \
            --generic \
            --user-data-dir="$DATA_DIR" \
            --enable-gpu-sandbox \
            --allow-webui-compositing \
            --enable-natural-scroll-default \
            "$REGISTER_PLUGINS" \
            ${ACCELERATED_FLAGS} \
            ${FLASH_FLAGS} \
            ${PPAPI_FLASH_FLAGS}