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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROMEOS_ASH_COMPONENTS_FILE_MANAGER_INDEXING_FILE_INDEX_SERVICE_REGISTRY_H_
#define CHROMEOS_ASH_COMPONENTS_FILE_MANAGER_INDEXING_FILE_INDEX_SERVICE_REGISTRY_H_
#include <map>
#include "base/component_export.h"
#include "base/memory/raw_ptr.h"
#include "base/scoped_observation.h"
#include "chromeos/ash/components/file_manager/indexing/file_index_service.h"
#include "components/user_manager/user_manager.h"
namespace ash::file_manager {
// FileIndexService is per user. This manages the mapping from each user
// identified by AccountId to FileIndexService.
// This is effectively a singleton in production.
class COMPONENT_EXPORT(FILE_MANAGER) FileIndexServiceRegistry
: public user_manager::UserManager::Observer {
public:
// Returns the global FileIndexServiceRegistry instance.
static FileIndexServiceRegistry* Get();
// Given user_manager's lifetime needs to outlive this instance.
explicit FileIndexServiceRegistry(user_manager::UserManager* user_manager);
FileIndexServiceRegistry(const FileIndexServiceRegistry&) = delete;
FileIndexServiceRegistry operator=(FileIndexServiceRegistry&) = delete;
~FileIndexServiceRegistry() override;
// Returns the FileIndexService for the given user.
// The pointer is owned and destroyed by FileIndexServiceRegistry, it's
// guaranteed to remain alive during the user session.
FileIndexService* GetFileIndexService(const AccountId& account_id);
// Shuts down all FileIndexService this instance holds.
void Shutdown();
// user_manager::UserManager::Observer:
void OnUserProfileCreated(const user_manager::User& user) override;
private:
const raw_ptr<user_manager::UserManager> user_manager_;
std::map<AccountId, FileIndexService> map_;
base::ScopedObservation<user_manager::UserManager,
user_manager::UserManager::Observer>
observation_{this};
};
} // namespace ash::file_manager
#endif // CHROMEOS_ASH_COMPONENTS_FILE_MANAGER_INDEXING_FILE_INDEX_SERVICE_REGISTRY_H_
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