# Copyright 2013 The Flutter 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("//flutter/common/config.gni")
import("//flutter/impeller/tools/impeller.gni")
import("//flutter/shell/config.gni")
import("//flutter/testing/testing.gni")

if (is_fuchsia) {
  import("//flutter/tools/fuchsia/gn-sdk/src/gn_configs.gni")
}

source_set("ui") {
  cflags = [
    # Dart gives us doubles. Skia and Impeller work in floats.
    # If Dart gives us a double > FLT_MAX or < -FLT_MAX, implicit conversion
    # will convert it to either inf/-inf or FLT_MAX/-FLT_MAX (undefined
    # behavior). This can result in surprising and difficult to debug behavior
    # for Flutter application developers, so it should be explicitly handled
    # via SafeNarrow.
    "-Wimplicit-float-conversion",
  ]

  if (is_win) {
    # This causes build failures in third_party dependencies on Windows.
    cflags += [ "-Wno-implicit-int-float-conversion" ]
  }

  sources = [
    "compositing/scene.cc",
    "compositing/scene.h",
    "compositing/scene_builder.cc",
    "compositing/scene_builder.h",
    "dart_runtime_hooks.cc",
    "dart_runtime_hooks.h",
    "dart_ui.cc",
    "dart_ui.h",
    "dart_wrapper.h",
    "floating_point.h",
    "io_manager.cc",
    "io_manager.h",
    "isolate_name_server/isolate_name_server.cc",
    "isolate_name_server/isolate_name_server.h",
    "isolate_name_server/isolate_name_server_natives.cc",
    "isolate_name_server/isolate_name_server_natives.h",
    "painting/canvas.cc",
    "painting/canvas.h",
    "painting/codec.cc",
    "painting/codec.h",
    "painting/color_filter.cc",
    "painting/color_filter.h",
    "painting/display_list_deferred_image_gpu_skia.cc",
    "painting/display_list_deferred_image_gpu_skia.h",
    "painting/display_list_image_gpu.cc",
    "painting/display_list_image_gpu.h",
    "painting/engine_layer.cc",
    "painting/engine_layer.h",
    "painting/fragment_program.cc",
    "painting/fragment_program.h",
    "painting/fragment_shader.cc",
    "painting/fragment_shader.h",
    "painting/gradient.cc",
    "painting/gradient.h",
    "painting/image.cc",
    "painting/image.h",
    "painting/image_decoder.cc",
    "painting/image_decoder.h",
    "painting/image_decoder_skia.cc",
    "painting/image_decoder_skia.h",
    "painting/image_descriptor.cc",
    "painting/image_descriptor.h",
    "painting/image_encoding.cc",
    "painting/image_encoding.h",
    "painting/image_encoding_impl.h",
    "painting/image_encoding_skia.cc",
    "painting/image_encoding_skia.h",
    "painting/image_filter.cc",
    "painting/image_filter.h",
    "painting/image_generator.cc",
    "painting/image_generator.h",
    "painting/image_generator_apng.cc",
    "painting/image_generator_apng.h",
    "painting/image_generator_registry.cc",
    "painting/image_generator_registry.h",
    "painting/image_shader.cc",
    "painting/image_shader.h",
    "painting/immutable_buffer.cc",
    "painting/immutable_buffer.h",
    "painting/matrix.cc",
    "painting/matrix.h",
    "painting/multi_frame_codec.cc",
    "painting/multi_frame_codec.h",
    "painting/paint.cc",
    "painting/paint.h",
    "painting/path.cc",
    "painting/path.h",
    "painting/path_measure.cc",
    "painting/path_measure.h",
    "painting/picture.cc",
    "painting/picture.h",
    "painting/picture_recorder.cc",
    "painting/picture_recorder.h",
    "painting/rrect.cc",
    "painting/rrect.h",
    "painting/shader.cc",
    "painting/shader.h",
    "painting/single_frame_codec.cc",
    "painting/single_frame_codec.h",
    "painting/vertices.cc",
    "painting/vertices.h",
    "plugins/callback_cache.cc",
    "plugins/callback_cache.h",
    "semantics/custom_accessibility_action.cc",
    "semantics/custom_accessibility_action.h",
    "semantics/semantics_node.cc",
    "semantics/semantics_node.h",
    "semantics/semantics_update.cc",
    "semantics/semantics_update.h",
    "semantics/semantics_update_builder.cc",
    "semantics/semantics_update_builder.h",
    "semantics/string_attribute.cc",
    "semantics/string_attribute.h",
    "snapshot_delegate.h",
    "text/asset_manager_font_provider.cc",
    "text/asset_manager_font_provider.h",
    "text/font_collection.cc",
    "text/font_collection.h",
    "text/paragraph.cc",
    "text/paragraph.h",
    "text/paragraph_builder.cc",
    "text/paragraph_builder.h",
    "ui_dart_state.cc",
    "ui_dart_state.h",
    "volatile_path_tracker.cc",
    "volatile_path_tracker.h",
    "window/key_data.cc",
    "window/key_data.h",
    "window/key_data_packet.cc",
    "window/key_data_packet.h",
    "window/platform_configuration.cc",
    "window/platform_configuration.h",
    "window/platform_isolate.cc",
    "window/platform_isolate.h",
    "window/platform_message.cc",
    "window/platform_message.h",
    "window/platform_message_response.cc",
    "window/platform_message_response.h",
    "window/platform_message_response_dart.cc",
    "window/platform_message_response_dart.h",
    "window/platform_message_response_dart_port.cc",
    "window/platform_message_response_dart_port.h",
    "window/pointer_data.cc",
    "window/pointer_data.h",
    "window/pointer_data_packet.cc",
    "window/pointer_data_packet.h",
    "window/pointer_data_packet_converter.cc",
    "window/pointer_data_packet_converter.h",
    "window/viewport_metrics.cc",
    "window/viewport_metrics.h",
  ]

  public_configs = [ "//flutter:config" ]

  public_deps = [
    "//flutter/flow",
    "//flutter/shell/common:display",
    "//flutter/shell/common:platform_message_handler",
    "//flutter/skia/modules/skparagraph",
    "//flutter/third_party/txt",
  ]

  deps = [
    "$dart_src/runtime/bin:dart_io_api",
    "//flutter/assets",
    "//flutter/common",
    "//flutter/common/graphics",
    "//flutter/display_list",
    "//flutter/fml",
    "//flutter/impeller/runtime_stage",
    "//flutter/runtime:dart_plugin_registrant",
    "//flutter/runtime:test_font",
    "//flutter/skia",
    "//flutter/third_party/rapidjson",
    "//flutter/third_party/tonic",
    "//third_party/zlib:zlib",
  ]

  if (impeller_supports_rendering) {
    sources += [
      "painting/display_list_deferred_image_gpu_impeller.cc",
      "painting/display_list_deferred_image_gpu_impeller.h",
      "painting/image_decoder_impeller.cc",
      "painting/image_decoder_impeller.h",
      "painting/image_encoding_impeller.cc",
      "painting/image_encoding_impeller.h",
    ]

    deps += [
      "//flutter/impeller",
      "//flutter/impeller/display_list:skia_conversions",
    ]
  }

  if (!defined(defines)) {
    defines = []
  }
  if (is_win) {
    # Required for M_PI and others.
    defines += [ "_USE_MATH_DEFINES" ]
  }
  if (impeller_enable_3d) {
    defines += [ "IMPELLER_ENABLE_3D" ]
    sources += [
      "painting/scene/scene_node.cc",
      "painting/scene/scene_node.h",
      "painting/scene/scene_shader.cc",
      "painting/scene/scene_shader.h",
    ]

    deps += [ "//flutter/impeller/scene" ]
  }
}

if (enable_unittests) {
  test_fixtures("ui_unittests_fixtures") {
    deps = [ "fixtures/shaders" ]
    dart_main = "fixtures/ui_test.dart"
    fixtures = [
      "fixtures/DashInNooglerHat.jpg",
      "fixtures/DashInNooglerHat%20WithSpace.jpg",
      "fixtures/DisplayP3Logo.jpg",
      "fixtures/DisplayP3Logo.png",
      "fixtures/Horizontal.jpg",
      "fixtures/Horizontal.png",
      "fixtures/heart_end.png",
      "fixtures/hello_loop_2.gif",
      "fixtures/hello_loop_2.webp",
      "fixtures/FontManifest.json",
      "fixtures/WideGamutIndexed.png",
      "//flutter/third_party/txt/third_party/fonts/Roboto-Medium.ttf",
    ]
  }

  executable("ui_benchmarks") {
    testonly = true

    public_configs = [ "//flutter:export_dynamic_symbols" ]

    sources = [ "ui_benchmarks.cc" ]

    deps = [
      ":ui",
      ":ui_unittests_fixtures",
      "//flutter/benchmarking",
      "//flutter/lib/snapshot",
      "//flutter/shell/common",
      "//flutter/testing:fixture_test",
    ]
  }

  executable("ui_unittests") {
    testonly = true

    public_configs = [ "//flutter:export_dynamic_symbols" ]

    sources = [
      "compositing/scene_builder_unittests.cc",
      "hooks_unittests.cc",
      "painting/image_decoder_no_gl_unittests.cc",
      "painting/image_decoder_no_gl_unittests.h",
      "painting/image_dispose_unittests.cc",
      "painting/image_encoding_unittests.cc",
      "painting/image_generator_registry_unittests.cc",
      "painting/paint_unittests.cc",
      "painting/path_unittests.cc",
      "painting/single_frame_codec_unittests.cc",
      "semantics/semantics_update_builder_unittests.cc",
      "window/platform_configuration_unittests.cc",
      "window/platform_message_response_dart_port_unittests.cc",
      "window/platform_message_response_dart_unittests.cc",
      "window/pointer_data_packet_converter_unittests.cc",
      "window/pointer_data_packet_unittests.cc",
    ]

    deps = [
      ":ui",
      ":ui_unittests_fixtures",
      "$dart_src/runtime/bin:elf_loader",
      "//flutter/common",
      "//flutter/impeller",
      "//flutter/lib/snapshot",
      "//flutter/shell/common:shell_test_fixture_sources",
      "//flutter/testing",
      "//flutter/testing:dart",
      "//flutter/testing:fixture_test",
      "//flutter/third_party/tonic",
    ]

    # TODO(https://github.com/flutter/flutter/issues/63837): This test is hard-coded to use a TestGLSurface so it cannot run on fuchsia.
    if (shell_enable_gl) {
      sources += [ "painting/image_decoder_unittests.cc" ]

      deps += [ "//flutter/testing:opengl" ]
    }
  }
}