ios/web_view/internal/web_view_global_state_util.mm

// Copyright 2017 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.

#include "ios/web_view/internal/web_view_global_state_util.h"

#include <memory>

#include "ios/web/public/app/web_main.h"
#import "ios/web_view/internal/web_view_web_client.h"
#import "ios/web_view/internal/web_view_web_main_delegate.h"

#if !defined(__has_feature) || !__has_feature(objc_arc)
#error "This file requires ARC support."
#endif

namespace ios_web_view {

void InitializeGlobalState() {
  static std::unique_ptr<ios_web_view::WebViewWebClient> web_client;
  static std::unique_ptr<ios_web_view::WebViewWebMainDelegate>
      web_main_delegate;
  static std::unique_ptr<web::WebMain> web_main;
  static dispatch_once_t once_token;
  dispatch_once(&once_token, ^{
    web_client = std::make_unique<ios_web_view::WebViewWebClient>();
    web::SetWebClient(web_client.get());

    web_main_delegate =
        std::make_unique<ios_web_view::WebViewWebMainDelegate>();
    web::WebMainParams params(web_main_delegate.get());
    web_main = std::make_unique<web::WebMain>(std::move(params));
  });
}

}  // namespace ios_web_view