Initial braille support

build/java_aidl.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 aidl files in a consistent manner.
 #
 # To use this, create a gyp target with the following form:
 # {
 #   'target_name': 'aidl_aidl-file-name',
 #   'type': 'none',
 #   'variables': {
 #     'package_name': <name-of-package>
 #     'aidl_interface_file': '<interface-path>/<interface-file>.aidl',
+#     'aidl_import_include': '<(DEPTH)/<path-to-src-dir>',
 #   },
 #   'sources': {
 #     '<input-path1>/<input-file1>.aidl',
 #     '<input-path2>/<input-file2>.aidl',
 #     ...
 #   },
 #   'includes': ['<path-to-this-file>/java_aidl.gypi'],
 # }
 #
 #
 # The generated java files will be:
 #   <(PRODUCT_DIR)/lib.java/<input-file1>.java
 #   <(PRODUCT_DIR)/lib.java/<input-file2>.java
 #   ...
 #
+# Optional variables:
+#  aidl_import_include - This should be an absolute path to your java src folder
+#    that contains the classes that are imported by your aidl files.
+#
 # TODO(cjhopman): dependents need to rebuild when this target's inputs have changed.
 
 {
   'direct_dependent_settings': {
     'variables': {
       'generated_src_dirs': ['<(SHARED_INTERMEDIATE_DIR)/<(package_name)/aidl/'],
     },
   },
+  'variables': {
+    'aidl_import_include%': '',
+    'additional_aidl_arguments': [],
+  },
+  'conditions': [
+    ['"<(aidl_import_include)"!=""', {
+      'variables': {
+        'additional_aidl_arguments': [ '-I<(aidl_import_include)' ]
+      }
+    }],
+  ],
   'rules': [
     {
       'rule_name': 'compile_aidl',
       'extension': 'aidl',
       'inputs': [
         '<(android_sdk)/framework.aidl',
         '<(aidl_interface_file)',
       ],
       'outputs': [
         '<(SHARED_INTERMEDIATE_DIR)/<(package_name)/aidl/<(RULE_INPUT_ROOT).java',
       ],
       'action': [
         '<(android_sdk_tools)/aidl',
         '-p<(android_sdk)/framework.aidl',
         '-p<(aidl_interface_file)',
+        '<@(additional_aidl_arguments)',
         '<(RULE_INPUT_PATH)',
         '<(SHARED_INTERMEDIATE_DIR)/<(package_name)/aidl/<(RULE_INPUT_ROOT).java',
       ],
     },
   ],
 }