extensions/shell/browser/shell_browser_main_parts.h

// 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.

#ifndef EXTENSIONS_SHELL_BROWSER_SHELL_BROWSER_MAIN_PARTS_H_
#define EXTENSIONS_SHELL_BROWSER_SHELL_BROWSER_MAIN_PARTS_H_

#include <memory>

#include "base/compiler_specific.h"
#include "base/macros.h"
#include "build/build_config.h"
#include "build/chromeos_buildflags.h"
#include "components/nacl/common/buildflags.h"
#include "content/public/browser/browser_main_parts.h"
#include "content/public/common/main_function_params.h"

class PrefService;

namespace content {
struct MainFunctionParams;
}

namespace extensions {

class DesktopController;
class ShellBrowserContext;
class ShellBrowserMainDelegate;
class ShellExtensionsClient;
class ShellExtensionsBrowserClient;
class ShellExtensionSystem;
class ShellUpdateQueryParamsDelegate;

#if BUILDFLAG(IS_CHROMEOS_ASH)
class ShellAudioController;
class ShellNetworkController;
#endif

// Handles initialization of AppShell.
class ShellBrowserMainParts : public content::BrowserMainParts {
 public:
  ShellBrowserMainParts(const content::MainFunctionParams& parameters,
                        ShellBrowserMainDelegate* browser_main_delegate);

  ShellBrowserMainParts(const ShellBrowserMainParts&) = delete;
  ShellBrowserMainParts& operator=(const ShellBrowserMainParts&) = delete;

  ~ShellBrowserMainParts() override;

  ShellBrowserContext* browser_context() { return browser_context_.get(); }

  ShellExtensionSystem* extension_system() { return extension_system_; }

  // BrowserMainParts overrides.
  int PreEarlyInitialization() override;
  void PreCreateMainMessageLoop() override;
  void PostCreateMainMessageLoop() override;
  int PreCreateThreads() override;
  int PreMainMessageLoopRun() override;
  void WillRunMainMessageLoop(
      std::unique_ptr<base::RunLoop>& run_loop) override;
  void PostMainMessageLoopRun() override;
  void PostDestroyThreads() override;

 private:
  // Initializes the ExtensionSystem.
  void InitExtensionSystem();

#if BUILDFLAG(IS_CHROMEOS_ASH)
  std::unique_ptr<ShellNetworkController> network_controller_;
#endif

  std::unique_ptr<ShellBrowserContext> browser_context_;
  std::unique_ptr<PrefService> local_state_;
  std::unique_ptr<PrefService> user_pref_service_;

#if BUILDFLAG(IS_CHROMEOS_ASH)
  std::unique_ptr<ShellAudioController> audio_controller_;
#endif

  // The DesktopController outlives ExtensionSystem and context-keyed services.
  std::unique_ptr<DesktopController> desktop_controller_;

  std::unique_ptr<ShellExtensionsClient> extensions_client_;
  std::unique_ptr<ShellExtensionsBrowserClient> extensions_browser_client_;
  std::unique_ptr<ShellUpdateQueryParamsDelegate> update_query_params_delegate_;

  // Owned by the KeyedService system.
  ShellExtensionSystem* extension_system_;

  // For running app browsertests.
  const content::MainFunctionParams parameters_;

  // If true, indicates the main message loop should be run
  // in MainMessageLoopRun. If false, it has already been run.
  bool run_message_loop_;

  std::unique_ptr<ShellBrowserMainDelegate> browser_main_delegate_;
};

}  // namespace extensions

#endif  // EXTENSIONS_SHELL_BROWSER_SHELL_BROWSER_MAIN_PARTS_H_