# Copyright 2015 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.

import("//build/config/chromecast_build.gni")
import("//build/config/locales.gni")
import("//extensions/features/features.gni")

# This args block should contain arguments used within the //chromecast
# directory. Arguments which are used in other Chrome components should
# be instead declared in //build/config/chromecast_build.gni.
declare_args() {
  # chromecast_branding is used to include or exclude Google-branded components.
  # Set it to "public" for a Chromium build.
  chromecast_branding = "public"

  # The incremental build number. The Cast automated builders will set this
  # value to indicate the buildset. Note: The default value should be greater
  # than any value the builder may assign to prevent attempted automatic updates
  # when the default value is used.
  cast_build_incremental = "999999"

  # If true, IS_CAST_DEBUG_BUILD() will evaluate to 1 in version.h. Otherwise,
  # it will evaluate to 0. Overriding this when is_debug=false is useful for
  # doing engineering builds.
  cast_is_debug = is_debug

  if (is_android) {
    # If true, run receiver apps in an Android service instead of an activity.
    display_web_contents_in_service = is_cast_audio_only
  }

  # If true, Chromecast WebUI resources are included in a build.
  # TODO(antz): default to false for audio-only builds, might need further
  # clean up (b/27119303)
  enable_chromecast_webui = !is_cast_audio_only && !is_android

  # Set true to enable assistant features.
  enable_assistant = false

  # Set to true on devices that support multizone. Only indicates that the
  # device supports multizone. The command line flag --enable-multizone must
  # still be used to enable multizone.
  supports_multizone = is_cast_audio_only && !is_cast_desktop_build

  # Set to true for builds targeting ARC.
  is_android_arc = false

  # Set true for builds targeting Android Things.
  is_android_things = false

  # Set to true to start music apps in headless mode.
  enable_headless_music_mode = false

  # Set to true to keep Android activities alive when they are moved to the
  # background.
  enable_background_activities = false

  # Set the number of lines for LogcatExtractor to send.
  logcat_extractor_size = 512
}

declare_args() {
  enable_volume_tables_access =
      is_android_things && chromecast_branding != "public"
}

declare_args() {
  # Use Playready CDMs for internal non-desktop builds.
  use_playready = !is_cast_desktop_build && chromecast_branding != "public"
}

# This is the release version, which takes the form <major>.<minor>. Internal
# builds will read the value from an internal file containing this value as a
# string. Public builds, lacking this file, will set a dummy value.
if (chromecast_branding == "public") {
  cast_build_release = "eng." + getenv("USER")
} else {
  cast_build_release =
      read_file("//chromecast/internal/build/cast_build_release", "trim string")
}

# All locales supported by Cast builds. This provides a single point of
# reference for all GN files referencing a locales list. |locales| is declared
# in //build/config/locales.gni.
cast_locales = locales

# Currently extensions require use_dbus=true if it is a linux build.
enable_chromecast_extensions = enable_extensions && (!is_linux || use_dbus)

# These templates are a temporary fix fo link libc++ into shared libraries and
# executables. These should be removed as soon as crbug.com/746091 is resolved.
foreach(target_type,
        [
          "executable",
          "shared_library",
          "loadable_module",
          "source_set",
        ]) {
  template("cast_${target_type}") {
    target(target_type, target_name) {
      forward_variables_from(invoker, "*")

      configs += [ "//chromecast:cast_config" ]

      if (!defined(deps)) {
        deps = []
      }

      if (target_type != "source_set") {
        deps += [ "//build/config:exe_and_shlib_deps" ]
      }
    }
  }
}

# Set the defaults for each target. The defaults for these target wrappers
# should match their unwrapped counterparts in BUILDCONFIG.gn. The variables
# referenced below are declared in BUILDCONFIG.gn.
set_defaults("cast_executable") {
  configs = default_executable_configs
}

set_defaults("cast_shared_library") {
  configs = default_shared_library_configs
  if (is_android) {
    configs -= [ "//build/config/android:hide_all_but_jni_onload" ]
  }
}

set_defaults("cast_loadable_module") {
  configs = default_shared_library_configs
  if (is_android) {
    configs -= [ "//build/config/android:hide_all_but_jni_onload" ]
  }
}

set_defaults("cast_source_set") {
  configs = default_compiler_configs
}