chrome/browser/browser_process_impl.h

// Copyright (c) 2012 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.

// When each service is created, we set a flag indicating this. At this point,
// the service initialization could fail or succeed. This allows us to remember
// if we tried to create a service, and not try creating it over and over if
// the creation failed.

#ifndef CHROME_BROWSER_BROWSER_PROCESS_IMPL_H_
#define CHROME_BROWSER_BROWSER_PROCESS_IMPL_H_

#include <stdint.h>

#include <memory>
#include <string>

#include "base/debug/stack_trace.h"
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/sequence_checker.h"
#include "base/timer/timer.h"
#include "build/build_config.h"
#include "chrome/browser/browser_process.h"
#include "chrome/common/buildflags.h"
#include "components/keep_alive_registry/keep_alive_state_observer.h"
#include "components/nacl/common/buildflags.h"
#include "components/prefs/pref_change_registrar.h"
#include "extensions/buildflags/buildflags.h"
#include "media/media_buildflags.h"
#include "ppapi/buildflags/buildflags.h"
#include "printing/buildflags/buildflags.h"
#include "services/network/public/mojom/network_service.mojom.h"

class ChromeChildProcessWatcher;
class ChromeDeviceClient;
class ChromeMetricsServicesManagerClient;
class ChromeResourceDispatcherHostDelegate;
class DevToolsAutoOpener;
class RemoteDebuggingServer;
class PrefRegistrySimple;

#if BUILDFLAG(ENABLE_PLUGINS)
class PluginsResourceService;
#endif

#if BUILDFLAG(ENABLE_WEBRTC)
class WebRtcEventLogManager;
#endif

namespace base {
class CommandLine;
class SequencedTaskRunner;
}

namespace extensions {
class ExtensionsBrowserClient;
}

namespace gcm {
class GCMDriver;
}

namespace net_log {
class ChromeNetLog;
}

namespace policy {
class ChromeBrowserPolicyConnector;
class PolicyService;
}  // namespace policy

// Real implementation of BrowserProcess that creates and returns the services.
class BrowserProcessImpl : public BrowserProcess,
                           public KeepAliveStateObserver {
 public:
  // |local_state_task_runner| must be a shutdown-blocking task runner.
  explicit BrowserProcessImpl(
      base::SequencedTaskRunner* local_state_task_runner);
  ~BrowserProcessImpl() override;

  // Called to complete initialization.
  void Init();

  // Called before the browser threads are created.
  void PreCreateThreads(const base::CommandLine& command_line);

  // Called after the threads have been created but before the message loops
  // starts running. Allows the browser process to do any initialization that
  // requires all threads running.
  void PreMainMessageLoopRun();

  // Most cleanup is done by these functions, driven from
  // ChromeBrowserMain based on notifications from the content
  // framework, rather than in the destructor, so that we can
  // interleave cleanup with threads being stopped.
#if !defined(OS_ANDROID)
  void StartTearDown();
  void PostDestroyThreads();
#endif

  // BrowserProcess implementation.
  void ResourceDispatcherHostCreated() override;
  void EndSession() override;
  void FlushLocalStateAndReply(base::OnceClosure reply) override;
  metrics_services_manager::MetricsServicesManager* GetMetricsServicesManager()
      override;
  metrics::MetricsService* metrics_service() override;
  rappor::RapporServiceImpl* rappor_service() override;
  IOThread* io_thread() override;
  SystemNetworkContextManager* system_network_context_manager() override;
  content::NetworkConnectionTracker* network_connection_tracker() override;
  WatchDogThread* watchdog_thread() override;
  ProfileManager* profile_manager() override;
  PrefService* local_state() override;
  net::URLRequestContextGetter* system_request_context() override;
  variations::VariationsService* variations_service() override;
  BrowserProcessPlatformPart* platform_part() override;
  extensions::EventRouterForwarder* extension_event_router_forwarder() override;
  NotificationUIManager* notification_ui_manager() override;
  NotificationPlatformBridge* notification_platform_bridge() override;
  policy::ChromeBrowserPolicyConnector* browser_policy_connector() override;
  policy::PolicyService* policy_service() override;
  IconManager* icon_manager() override;
  GpuModeManager* gpu_mode_manager() override;
  void CreateDevToolsProtocolHandler() override;
  void CreateDevToolsAutoOpener() override;
  bool IsShuttingDown() override;
  printing::PrintJobManager* print_job_manager() override;
  printing::PrintPreviewDialogController* print_preview_dialog_controller()
      override;
  printing::BackgroundPrintingManager* background_printing_manager() override;
  IntranetRedirectDetector* intranet_redirect_detector() override;
  const std::string& GetApplicationLocale() override;
  void SetApplicationLocale(const std::string& locale) override;
  DownloadStatusUpdater* download_status_updater() override;
  DownloadRequestLimiter* download_request_limiter() override;
  BackgroundModeManager* background_mode_manager() override;
  void set_background_mode_manager_for_test(
      std::unique_ptr<BackgroundModeManager> manager) override;
  StatusTray* status_tray() override;
  safe_browsing::SafeBrowsingService* safe_browsing_service() override;
  safe_browsing::ClientSideDetectionService* safe_browsing_detection_service()
      override;
  subresource_filter::ContentRulesetService*
  subresource_filter_ruleset_service() override;
  optimization_guide::OptimizationGuideService* optimization_guide_service()
      override;

#if defined(OS_WIN) || (defined(OS_LINUX) && !defined(OS_CHROMEOS))
  void StartAutoupdateTimer() override;
#endif

  net_log::ChromeNetLog* net_log() override;
  component_updater::ComponentUpdateService* component_updater() override;
  component_updater::SupervisedUserWhitelistInstaller*
  supervised_user_whitelist_installer() override;
  MediaFileSystemRegistry* media_file_system_registry() override;
#if BUILDFLAG(ENABLE_WEBRTC)
  WebRtcLogUploader* webrtc_log_uploader() override;
#endif
  network_time::NetworkTimeTracker* network_time_tracker() override;
  gcm::GCMDriver* gcm_driver() override;
  resource_coordinator::TabManager* GetTabManager() override;
  shell_integration::DefaultWebClientState CachedDefaultWebClientState()
      override;
  physical_web::PhysicalWebDataSource* GetPhysicalWebDataSource() override;
  prefs::InProcessPrefServiceFactory* pref_service_factory() const override;

  static void RegisterPrefs(PrefRegistrySimple* registry);

 private:
  // KeepAliveStateObserver implementation
  void OnKeepAliveStateChanged(bool is_keeping_alive) override;
  void OnKeepAliveRestartStateChanged(bool can_restart) override;

  void CreateWatchdogThread();
  void CreateProfileManager();
  void CreateLocalState();
  void CreateIconManager();
  void CreateIntranetRedirectDetector();
  void CreateNotificationPlatformBridge();
  void CreateNotificationUIManager();
  void CreatePrintPreviewDialogController();
  void CreateBackgroundPrintingManager();
  void CreateSafeBrowsingService();
  void CreateSubresourceFilterRulesetService();
  void CreateOptimizationGuideService();
  void CreateStatusTray();
  void CreateBackgroundModeManager();
  void CreateGCMDriver();
  void CreatePhysicalWebDataSource();

  void ApplyAllowCrossOriginAuthPromptPolicy();
  void ApplyDefaultBrowserPolicy();
#if !defined(OS_ANDROID)
  void ApplyMetricsReportingPolicy();
#endif

  void CacheDefaultWebClientState();

  // Methods called to control our lifetime. The browser process can be "pinned"
  // to make sure it keeps running.
  void Pin();
  void Unpin();

  // |metrics_services_manager_| owns this.
  ChromeMetricsServicesManagerClient* metrics_services_manager_client_ =
      nullptr;

  std::unique_ptr<metrics_services_manager::MetricsServicesManager>
      metrics_services_manager_;