init/display_low_battery_alert

#!/bin/sh

# Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

ASSETS=/usr/share/chromeos-assets
ASSETS_200=$ASSETS/images_200_percent
ASSETS_100=$ASSETS/images_100_percent

if [ ! -x /sbin/frecon ]; then
  # Fall back to old way with ply-image
  # Use differently-sized images depending on the framebuffer width.
  WIDTH=$(ply-image --print-resolution | cut -d ' ' -f 1)
  if [ $WIDTH -gt 1920 -a -e "$ASSETS_200/battery_alert_01.png" ]; then
    IMAGES="$ASSETS_200"/battery_alert*.png
  else
    IMAGES="$ASSETS_100"/battery_alert*.png
  fi

  # Run through the images from first to last and then from last to first; then
  # repeat the sequence three times at 10 FPS.
  SEQUENCE="$(ls $IMAGES ; ls -r $IMAGES)"
  FRAMES="$SEQUENCE $SEQUENCE $SEQUENCE"
  ply-image --clear 0x000000 --frame-interval=100 $FRAMES
  exit
fi

IMAGES_100="$ASSETS_100"/battery_alert*.png
SEQ_100="$(ls $IMAGES_100 ; ls -r $IMAGES_100)"
IMAGES_200="$ASSETS_200"/battery_alert*.png
SEQ_200="$(ls $IMAGES_200 ; ls -r $IMAGES_200)"
BAT_IMAGES=""

for image in ${SEQ_200}; do
  BAT_IMAGES="${BAT_IMAGES} --image-hires ${image}"
done
for image in ${SEQ_100}; do
  BAT_IMAGES="${BAT_IMAGES} --image ${image}"
done

killall -9 frecon
/sbin/frecon --clear 0x000000 --loop-interval=100 --loop-count=3 \
             --loop-start=0 --splash-only ${BAT_IMAGES}