# Copyright 2014 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 contains common system config stuff for the Android build.

if (is_android) {
  if (!defined(default_android_sdk_root)) {
    default_android_sdk_root = "//flutter/third_party/android_tools/sdk"
    default_android_sdk_version = "35"
    default_android_sdk_build_tools_version = "35.0.0-rc4"
  }

  declare_args() {
    android_sdk_root = default_android_sdk_root
    android_sdk_version = default_android_sdk_version
    android_sdk_build_tools_version = default_android_sdk_build_tools_version

    # Unused. Required for GN files maintained in other buildroots.
    enable_java_templates = false

    android_api_level = 22
  }

  # Host stuff -----------------------------------------------------------------

  # Defines the name the Android build gives to the current host CPU
  # architecture, which is different than the names GN uses.
  if (host_cpu == "x64" || host_cpu == "x86" || host_cpu == "arm64") {
    android_host_arch = "x86_64"
  } else {
    assert(false, "Need Android toolchain support for your build CPU arch.")
  }

  # Defines the name the Android build gives to the current host CPU
  # architecture, which is different than the names GN uses.
  if (host_os == "linux") {
    android_host_os = "linux"
  } else if (host_os == "mac") {
    android_host_os = "darwin"
  } else if (host_os == "win") {
    android_host_os = "win"
  } else {
    assert(false, "Need Android toolchain support for your build OS.")
  }

  # Directories and files ------------------------------------------------------
  #
  # We define may of the dirs strings here for each output architecture (rather
  # than just the current one) since these are needed by the Android toolchain
  # file to define toolchains for all possible targets in one pass.

  android_sdk = "${android_sdk_root}/platforms/android-${android_sdk_version}"

  # Path to the Android NDK and SDK.
  android_ndk_root = "//flutter/third_party/android_tools/ndk"
  android_ndk_include_dir = "$android_ndk_root/usr/include"

  android_sdk = "${android_sdk_root}/platforms/android-${android_sdk_version}"

  android_sdk_tools = "${android_sdk_root}/tools"
  android_sdk_build_tools =
      "${android_sdk_root}/build-tools/$android_sdk_build_tools_version"

  # Path to the SDK's android.jar
  android_sdk_jar = "$android_sdk/android.jar"

  zipalign_path = "$android_sdk_build_tools/zipalign"

  if (current_cpu != "x64" && current_cpu != "arm64") {
    android_api_level = 21
  }

  # Toolchain root directory for each build. The actual binaries are inside
  # a "bin" directory inside of these.
  llvm_android_toolchain_root = "$android_ndk_root/toolchains/llvm/prebuilt/${android_host_os}-${android_host_arch}"
  android_toolchain_root = "$android_ndk_root/toolchains/llvm/prebuilt/${android_host_os}-${android_host_arch}"

  # Toolchain stuff ------------------------------------------------------------
  _android_lib_prefix = "$android_toolchain_root/sysroot/usr/lib"

  if (component_mode == "shared_library") {
    # By appending .cr, we prevent name collisions with libraries already
    # loaded by the Android zygote.
    android_product_extension = ".cr.so"
  } else {
    android_product_extension = ".so"
  }

  # ABI ------------------------------------------------------------------------

  if (current_cpu == "x86") {
    android_app_abi = "x86"
    _android_lib_dir = "i686-linux-android"
  } else if (current_cpu == "arm") {
    android_app_abi = "armeabi-v7a"
    _android_lib_dir = "arm-linux-androideabi"
  } else if (current_cpu == "x64") {
    android_app_abi = "x86_64"
    _android_lib_dir = "x86_64-linux-android"
  } else if (current_cpu == "arm64") {
    android_app_abi = "arm64-v8a"
    _android_lib_dir = "aarch64-linux-android"
  } else {
    assert(false, "Unknown Android ABI: " + current_cpu)
  }

  android_lib = "$_android_lib_prefix/$_android_lib_dir/$android_api_level"

  android_log_tag = "\"flutter\""
}