chrome/browser/ui/ash/projector/projector_drivefs_provider.h

// Copyright 2022 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 CHROME_BROWSER_UI_ASH_PROJECTOR_PROJECTOR_DRIVEFS_PROVIDER_H_
#define CHROME_BROWSER_UI_ASH_PROJECTOR_PROJECTOR_DRIVEFS_PROVIDER_H_

#include "base/callback.h"
#include "base/files/file_path.h"
#include "base/scoped_observation.h"
#include "components/session_manager/core/session_manager.h"
#include "components/session_manager/core/session_manager_observer.h"
#include "components/user_manager/user_manager.h"

namespace drive {
class DriveIntegrationService;
}

// A class provides DriveFs service for active profile. Encapsulates the logic
// to observe UserSession and Profile change and trigger the callback when
// profile change.
class ProjectorDriveFsProvider
    : public session_manager::SessionManagerObserver,
      public user_manager::UserManager::UserSessionStateObserver {
 public:
  static drive::DriveIntegrationService* GetActiveDriveIntegrationService();
  static bool IsDriveFsMounted();
  static bool IsDriveFsMountFailed();
  static base::FilePath GetDriveFsMountPointPath();

  using OnDriveFsObservationChangeCallback = base::RepeatingCallback<void()>;
  explicit ProjectorDriveFsProvider(
      OnDriveFsObservationChangeCallback on_drivefs_observation_change);
  ProjectorDriveFsProvider(const ProjectorDriveFsProvider&) = delete;
  ProjectorDriveFsProvider& operator=(const ProjectorDriveFsProvider&) = delete;
  ~ProjectorDriveFsProvider() override;

 private:
  // session_manager::SessionManagerObserver:
  void OnUserProfileLoaded(const AccountId& account_id) override;

  // user_manager::UserManager::UserSessionStateObserver:
  void ActiveUserChanged(user_manager::User* active_user) override;

  void OnProfileSwitch();

  base::ScopedObservation<session_manager::SessionManager,
                          session_manager::SessionManagerObserver>
      session_observation_{this};

  base::ScopedObservation<
      user_manager::UserManager,
      user_manager::UserManager::UserSessionStateObserver,
      &user_manager::UserManager::AddSessionStateObserver,
      &user_manager::UserManager::RemoveSessionStateObserver>
      session_state_observation_{this};

  OnDriveFsObservationChangeCallback on_drivefs_observation_change_;
};

#endif  // CHROME_BROWSER_UI_ASH_PROJECTOR_PROJECTOR_DRIVEFS_PROVIDER_H_