[Android] Generate localized strings.xml files at build time.

build/java.gypi

 # Copyright (c) 2012 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.
 
 # This file is meant to be included into a target to provide a rule
 # to build Java in a consistent manner.
 #
 # To use this, create a gyp target with the following form:
 # {
 #   'target_name': 'my-package_java',
@@ skipping 47 matching lines @@
   },
   'variables': {
     'input_jars_paths': [],
     'additional_src_dirs': [],
     'javac_includes': [],
     'additional_input_paths': ['>@(additional_R_files)'],
     'generated_src_dirs': ['>@(generated_R_dirs)'],
     'generated_R_dirs': [],
     'additional_R_files': [],
     'has_java_resources%': 0,
+    'grit_grd_file%': '',
   },
   'conditions': [
     ['has_java_resources == 1', {
       'variables': {
         'res_dir': '<(java_in_dir)/res',
-        'crunched_res_dir': '<(SHARED_INTERMEDIATE_DIR)/<(package_name)/res',
+        'out_res_dir': '<(SHARED_INTERMEDIATE_DIR)/<(package_name)/res',
         'R_dir': '<(SHARED_INTERMEDIATE_DIR)/<(package_name)/java_R',
         'R_file': '<(R_dir)/<(R_package_relpath)/R.java',
         'generated_src_dirs': ['<(R_dir)'],
         'additional_input_paths': ['<(R_file)'],
       },
       'all_dependent_settings': {
         'variables': {
           # Dependent jars include this target's R.java file via
           # generated_R_dirs and additional_R_files.
           'generated_R_dirs': ['<(R_dir)'],
           'additional_R_files': ['<(R_file)'],
 
           # Dependent APKs include this target's resources via
           # additional_res_dirs and additional_res_packages.
-          'additional_res_dirs': ['<(crunched_res_dir)', '<(res_dir)'],
+          'additional_res_dirs': ['<(out_res_dir)', '<(res_dir)'],
           'additional_res_packages': ['<(R_package)'],
         },
       },
       'actions': [
         # Generate R.java and crunch image resources.
         {
           'action_name': 'process_resources',
           'message': 'processing resources for <(package_name)',
+          'conditions': [
+            ['grit_grd_file != ""', {
+              'inputs': [
+                # TODO(newt): replace this with .../values/strings.xml once
+                # the English strings.xml is generated as well? That would be
+                # simpler and faster and should be equivalent.
+                '<!@pymod_do_main(grit_info <@(grit_defines) --outputs "<(out_res_dir)" <(grit_grd_file))',

[newt (away), 2012/12/21 08:12:41]

It would be nice if this duplication could be eliminated: the input here is
simply the output from grit_action.gypi below.  But it doesn't seem that gyp
syntax allows sharing/exporting variables from within an action.

+              ],
+            }],
+          ],
           'inputs': [
             '<(DEPTH)/build/android/process_resources.py',
             '<!@(find <(res_dir) -type f)',
           ],
           'outputs': [
             '<(R_file)',
           ],
           'action': [
             '<(DEPTH)/build/android/process_resources.py',
             '--android-sdk', '<(android_sdk)',
             '--android-sdk-tools', '<(android_sdk_tools)',
             '--R-package', '<(R_package)',
             '--R-dir', '<(R_dir)',
             '--res-dir', '<(res_dir)',
-            '--crunched-res-dir', '<(crunched_res_dir)',
+            '--crunched-res-dir', '<(out_res_dir)',
           ],
         },
       ],
+      'conditions': [
+        ['grit_grd_file != ""', {
+          'actions': [
+            {
+              'action_name': 'generate_localized_strings_xml',
+              'variables': {
+                'grit_out_dir': '<(out_res_dir)',
+                # resource_ids is unneeded since we don't generate .h headers.
+                'grit_resource_ids': '',
+              },
+              'includes': ['../build/grit_action.gypi'],
+            },
+          ],
+        }],
+      ],
     }],
   ],
   'actions': [
     {
       'action_name': 'ant_<(package_name)',
       'message': 'Building <(package_name) java sources.',
       'inputs': [
         'android/ant/common.xml',
         'android/ant/chromium-jars.xml',
         '>!@(find >(java_in_dir) >(additional_src_dirs) -name "*.java")',
@@ skipping 19 matching lines @@
         '-DPACKAGE_NAME=<(package_name)',
         '-DJAVAC_INCLUDES=>(javac_includes)',
 
         '-Dbasedir=<(java_in_dir)',
         '-buildfile',
         '<(DEPTH)/build/android/ant/chromium-jars.xml'
       ]
     },
   ],
 }