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- // 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_SEGMENTATION_PLATFORM_UKM_DATABASE_CLIENT_H_
- #define CHROME_BROWSER_SEGMENTATION_PLATFORM_UKM_DATABASE_CLIENT_H_
- #include <memory>
- #include "base/files/file_path.h"
- #include "base/memory/raw_ptr.h"
- #include "base/no_destructor.h"
- namespace ukm {
- class UkmRecorderImpl;
- }
- namespace segmentation_platform {
- class UkmDataManager;
- class UkmObserver;
- // Provides UKM functionality to the segmentation platform service(s).
- class UkmDatabaseClient {
- public:
- static UkmDatabaseClient& GetInstance();
- UkmDatabaseClient(UkmDatabaseClient&) = delete;
- UkmDatabaseClient& operator=(UkmDatabaseClient&) = delete;
- void PreProfileInit();
- void PostMessageLoopRun();
- // UkmDataManager will be valid for the lifetime of all the profiles. It is
- // created before profiles are created at startup. It is safe to use this
- // pointer till ProfileManagerDestroying() is called.
- segmentation_platform::UkmDataManager* GetUkmDataManager();
- // UKM observer will use the test recorder to observe metrics.
- void set_ukm_recorder_for_testing(ukm::UkmRecorderImpl* ukm_recorder) {
- DCHECK(!ukm_observer_);
- ukm_recorder_for_testing_ = ukm_recorder;
- }
- UkmObserver* ukm_observer_for_testing() { return ukm_observer_.get(); }
- private:
- friend base::NoDestructor<UkmDatabaseClient>;
- UkmDatabaseClient();
- ~UkmDatabaseClient();
- raw_ptr<ukm::UkmRecorderImpl> ukm_recorder_for_testing_;
- std::unique_ptr<UkmObserver> ukm_observer_;
- std::unique_ptr<segmentation_platform::UkmDataManager> ukm_data_manager_;
- };
- } // namespace segmentation_platform
- #endif // CHROME_BROWSER_SEGMENTATION_PLATFORM_UKM_DATABASE_CLIENT_H_
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