build/android/gyp/process_resources.py

   1 #!/usr/bin/env python
   2 #
   3 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
   4 # Use of this source code is governed by a BSD-style license that can be
   5 # found in the LICENSE file.
   6
   7 """Process Android library resources to generate R.java and crunched images."""
   8
   9 import optparse
  10 import os
  11 import shlex
  12
  13 from util import build_utils
  14
  15 def ParseArgs():
  16   """Parses command line options.
  17
  18   Returns:
  19     An options object as from optparse.OptionsParser.parse_args()
  20   """
  21   parser = optparse.OptionParser()
  22   parser.add_option('--android-sdk', help='path to the Android SDK folder')
  23   parser.add_option('--android-sdk-tools',
  24                     help='path to the Android SDK platform tools folder')
  25   parser.add_option('--R-dir', help='directory to hold generated R.java')
  26   parser.add_option('--res-dirs',
  27                     help='directories containing resources to be packaged')
  28   parser.add_option('--crunch-input-dir',
  29                     help='directory containing images to be crunched')
  30   parser.add_option('--crunch-output-dir',
  31                     help='directory to hold crunched resources')
  32   parser.add_option('--non-constant-id', action='store_true')
  33   parser.add_option('--custom-package', help='Java package for R.java')
  34   parser.add_option('--android-manifest', help='AndroidManifest.xml path')
  35   parser.add_option('--stamp', help='File to touch on success')
  36
  37   # This is part of a temporary fix for crbug.com/177552.
  38   # TODO(newt): remove this once crbug.com/177552 is fixed in ninja.
  39   parser.add_option('--ignore', help='this argument is ignored')
  40   (options, args) = parser.parse_args()
  41
  42   if args:
  43     parser.error('No positional arguments should be given.')
  44
  45   # Check that required options have been provided.
  46   required_options = ('android_sdk', 'android_sdk_tools', 'R_dir', 'res_dirs',
  47                       'crunch_input_dir', 'crunch_output_dir')
  48   build_utils.CheckOptions(options, parser, required=required_options)
  49
  50   return options
  51
  52
  53 def main():
  54   options = ParseArgs()
  55   android_jar = os.path.join(options.android_sdk, 'android.jar')
  56   aapt = os.path.join(options.android_sdk_tools, 'aapt')
  57
  58   build_utils.MakeDirectory(options.R_dir)
  59
  60   # Generate R.java. This R.java contains non-final constants and is used only
  61   # while compiling the library jar (e.g. chromium_content.jar). When building
  62   # an apk, a new R.java file with the correct resource -> ID mappings will be
  63   # generated by merging the resources from all libraries and the main apk
  64   # project.
  65   package_command = [aapt,
  66                      'package',
  67                      '-m',
  68                      '-M', options.android_manifest,
  69                      '--auto-add-overlay',
  70                      '-I', android_jar,
  71                      '--output-text-symbols', options.R_dir,
  72                      '-J', options.R_dir]
  73   res_dirs = shlex.split(options.res_dirs)
  74   for res_dir in res_dirs:
  75     package_command += ['-S', res_dir]
  76   if options.non_constant_id:
  77     package_command.append('--non-constant-id')
  78   if options.custom_package:
  79     package_command += ['--custom-package', options.custom_package]
  80   build_utils.CheckCallDie(package_command)
  81
  82   # Crunch image resources. This shrinks png files and is necessary for 9-patch
  83   # images to display correctly.
  84   build_utils.MakeDirectory(options.crunch_output_dir)
  85
  86   aapt_cmd = [aapt,
  87               'crunch',
  88               '-S', options.crunch_input_dir,
  89               '-C', options.crunch_output_dir]
  90   build_utils.CheckCallDie(aapt_cmd, suppress_output=True)
  91
  92   if options.stamp:
  93     build_utils.Touch(options.stamp)
  94
  95
  96 if __name__ == '__main__':
  97   main()