# Copyright 2018 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/nacl/config.gni")
import("//testing/test.gni")

# Targets should depend on this if directly referencing the |mojo::edk|
# namespace.
component("edk") {
  output_name = "mojo_edk"

  public = [
    "embedder/embedder.h",
    "embedder/incoming_broker_client_invitation.h",
    "embedder/outgoing_broker_client_invitation.h",
    "embedder/peer_connection.h",
  ]

  sources = [
    "embedder/embedder.cc",
    "embedder/incoming_broker_client_invitation.cc",
    "embedder/outgoing_broker_client_invitation.cc",
    "embedder/peer_connection.cc",
  ]

  defines = [ "MOJO_SYSTEM_IMPL_IMPLEMENTATION" ]

  deps = []
  if (!is_nacl) {
    deps += [ "//crypto" ]
  }

  public_deps = [
    ":impl_for_edk",
    "//mojo/public/cpp/platform",
    "//mojo/public/cpp/system",
  ]
}

# Bits of the EDK library which do not depend on public API linkage. It is
# not allowed for this target or any of its transitive dependencies to depend
# on anything under //mojo/public beyond strict C type definitions.
#
# This is templated because it's consumed by both the ":edk" component library
# as well as the ":mojo_core" shared library. In the former case we want to
# export symbols, but in the latter case we don't. The template stamps out two
# nearly identical targets which differ only in what symbols they export.
template("core_impl_source_set") {
  source_set(target_name) {
    if (invoker.for_mojo_core) {
      visibility = [ ":mojo_core" ]
    } else {
      visibility = [ ":edk" ]
    }

    public = [
      "embedder/configuration.h",
      "embedder/connection_params.h",
      "embedder/entrypoints.h",
      "embedder/named_platform_channel_pair.h",
      "embedder/named_platform_handle.h",
      "embedder/named_platform_handle_utils.h",
      "embedder/platform_channel_pair.h",
      "embedder/platform_handle.h",
      "embedder/platform_handle_utils.h",
      "embedder/process_error_callback.h",
      "embedder/scoped_ipc_support.h",
      "embedder/scoped_platform_handle.h",
      "embedder/transport_protocol.h",
      "system/channel.h",
      "system/configuration.h",
      "system/core.h",
      "system/data_pipe_consumer_dispatcher.h",
      "system/data_pipe_control_message.h",
      "system/data_pipe_producer_dispatcher.h",
      "system/dispatcher.h",
      "system/handle_signals_state.h",
      "system/handle_table.h",
      "system/invitation_dispatcher.h",
      "system/message_pipe_dispatcher.h",
      "system/node_controller.h",
      "system/options_validation.h",
      "system/platform_handle_dispatcher.h",
      "system/platform_shared_memory_mapping.h",
      "system/request_context.h",
      "system/scoped_process_handle.h",
      "system/shared_buffer_dispatcher.h",
      "system/user_message_impl.h",
    ]

    if (is_win) {
      public += [ "embedder/named_platform_handle_win.h" ]
    } else if (is_posix || is_fuchsia) {
      public += [ "embedder/named_platform_handle_posix.h" ]
    }

    sources = [
      "embedder/connection_params.cc",
      "embedder/entrypoints.cc",
      "embedder/named_platform_handle_utils_win.cc",
      "embedder/platform_channel_pair.cc",
      "embedder/platform_channel_pair_win.cc",
      "embedder/platform_handle.cc",
      "embedder/platform_handle_utils.cc",
      "embedder/platform_handle_utils_win.cc",
      "embedder/scoped_ipc_support.cc",
      "system/atomic_flag.h",
      "system/broker.h",
      "system/broker_win.cc",
      "system/channel.cc",
      "system/channel_win.cc",
      "system/configuration.cc",
      "system/core.cc",
      "system/data_pipe_consumer_dispatcher.cc",
      "system/data_pipe_control_message.cc",
      "system/data_pipe_producer_dispatcher.cc",
      "system/dispatcher.cc",
      "system/handle_table.cc",
      "system/invitation_dispatcher.cc",
      "system/message_pipe_dispatcher.cc",
      "system/node_channel.cc",
      "system/node_channel.h",
      "system/node_controller.cc",
      "system/platform_handle_dispatcher.cc",
      "system/platform_shared_memory_mapping.cc",
      "system/request_context.cc",
      "system/scoped_process_handle.cc",
      "system/shared_buffer_dispatcher.cc",
      "system/user_message_impl.cc",
      "system/watch.cc",
      "system/watch.h",
      "system/watcher_dispatcher.cc",
      "system/watcher_dispatcher.h",
      "system/watcher_set.cc",
      "system/watcher_set.h",
    ]

    public_deps = [
      "//base",
      "//mojo/edk/system/ports",
      "//mojo/public/c/system:headers",
      "//mojo/public/cpp/platform",
    ]

    if (is_fuchsia) {
      sources += [
        "embedder/named_platform_handle_utils_fuchsia.cc",
        "embedder/platform_channel_pair_fuchsia.cc",
        "embedder/platform_handle_utils_fuchsia.cc",
        "system/channel_fuchsia.cc",
      ]

      public_deps += [ "//third_party/fuchsia-sdk:fdio" ]
    }

    if (is_posix) {
      sources += [
        "embedder/platform_channel_pair_posix.cc",
        "embedder/platform_handle_utils_posix.cc",
      ]

      if (!is_nacl || is_nacl_nonsfi) {
        public += [ "embedder/platform_channel_utils_posix.h" ]
        sources += [
          "embedder/platform_channel_utils_posix.cc",
          "system/broker_posix.cc",
          "system/channel_posix.cc",
        ]
      }

      if (!is_nacl) {
        sources += [ "embedder/named_platform_handle_utils_posix.cc" ]
      }
    }

    if (is_mac && !is_ios) {
      sources += [
        "system/mach_port_relay.cc",
        "system/mach_port_relay.h",
      ]
    }

    if (!is_nacl || is_nacl_nonsfi) {
      sources += [
        "system/broker_host.cc",
        "system/broker_host.h",
      ]
    }

    defines = []
    if (!invoker.for_mojo_core) {
      defines += [ "MOJO_SYSTEM_IMPL_IMPLEMENTATION" ]
    }

    deps = []
    if (is_android) {
      deps += [ "//third_party/ashmem" ]
    }
    if (!is_nacl) {
      sources += [ "embedder/named_platform_channel_pair.cc" ]
      deps += [ "//crypto" ]
    }

    if (is_win) {
      cflags = [ "/wd4324" ]  # Structure was padded due to __declspec(align()),
                              # which is uninteresting.
    }

    # Use target_os == "chromeos" instead of is_chromeos because we need to
    # build NaCl targets (i.e. IRT) for ChromeOS the same as the rest of ChromeOS.
    if (is_android || target_os == "chromeos") {
      defines += [ "MOJO_EDK_LEGACY_PROTOCOL" ]
    }
  }
}

core_impl_source_set("impl_for_edk") {
  for_mojo_core = false
}

if (is_chromeos || is_linux || is_android) {
  core_impl_source_set("impl_for_mojo_core") {
    for_mojo_core = true
  }

  shared_library("mojo_core") {
    sources = [
      "mojo_core.cc",
    ]
    deps = [
      ":impl_for_mojo_core",
      "//build/config:exe_and_shlib_deps",
      "//mojo/public/c/system:headers",
    ]
    configs += [ ":export_only_thunks_api" ]
  }

  if (is_chromeos) {
    if (target_cpu == "arm" || target_cpu == "arm64") {
      android32_toolchain = "android_clang_arm"
      android64_toolchain = "android_clang_arm64"
    } else {
      android32_toolchain = "android_clang_x86"
      android64_toolchain = "android_clang_x64"
    }

    group("mojo_core_for_arc") {
      deps = [
        ":mojo_core_arc32",
        ":mojo_core_arc64",
      ]
    }

    copy("mojo_core_arc32") {
      sources = [
        "${root_out_dir}/${android32_toolchain}/libmojo_core.so",
      ]
      outputs = [
        "${root_out_dir}/libmojo_core_arc32.so",
      ]
      deps = [
        ":mojo_core(//build/toolchain/android:${android32_toolchain})",
      ]
    }

    copy("mojo_core_arc64") {
      sources = [
        "${root_out_dir}/${android64_toolchain}/libmojo_core.so",
      ]
      outputs = [
        "${root_out_dir}/libmojo_core_arc64.so",
      ]
      deps = [
        ":mojo_core(//build/toolchain/android:${android64_toolchain})",
      ]
    }
  }

  config("export_only_thunks_api") {
    ldflags = [ "-Wl,--version-script=" +
                rebase_path("//mojo/edk/export_only_thunks_api.lst") ]
  }

  if (is_chromeos || is_linux) {
    test("mojo_core_unittests") {
      sources = [
        "mojo_core_unittest.cc",
        "run_all_core_unittests.cc",
      ]

      deps = [
        "//base",
        "//base/test:test_support",
        "//mojo/public/c/system",
        "//testing/gtest",
      ]

      data_deps = [
        ":mojo_core",
      ]
    }
  }
}