engine/src/flutter/lib/io/dart_io.cc

// 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.

#include "flutter/lib/io/dart_io.h"

#include "flutter/fml/logging.h"
#include "third_party/dart/runtime/include/bin/dart_io_api.h"
#include "third_party/dart/runtime/include/dart_api.h"
#include "third_party/tonic/converter/dart_converter.h"
#include "third_party/tonic/logging/dart_error.h"

using tonic::CheckAndHandleError;
using tonic::ToDart;

namespace flutter {

void DartIO::InitForIsolate(bool may_insecurely_connect_to_all_domains,
                            const std::string& domain_network_policy,
                            const std::string& script_uri) {
  Dart_Handle ui_lib = Dart_LookupLibrary(ToDart("dart:ui"));
  Dart_Handle dart_validate_args[1];
  dart_validate_args[0] = ToDart(may_insecurely_connect_to_all_domains);
  Dart_Handle http_connection_hook_closure =
      Dart_Invoke(ui_lib, ToDart("_getHttpConnectionHookClosure"),
                  /*number_of_arguments=*/1, dart_validate_args);
  FML_CHECK(!CheckAndHandleError(http_connection_hook_closure));

  Dart_Handle /* _LocaleClosure? */ locale_closure =
      Dart_Invoke(ui_lib, ToDart("_getLocaleClosure"), 0, nullptr);
  FML_CHECK(!CheckAndHandleError(locale_closure));

  Dart_Handle setup_result = dart::bin::SetupDartIoLibrary({
      .http_connection_hook = http_connection_hook_closure,
      .locale_name_callback = locale_closure,
      .script_uri = !script_uri.empty() ? script_uri.c_str() : nullptr,
  });
  FML_CHECK(!CheckAndHandleError(setup_result));
}

}  // namespace flutter