| // Copyright 2020 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 COMPONENTS_OPTIMIZATION_GUIDE_OPTIMIZATION_TARGET_MODEL_OBSERVER_H_ |
| #define COMPONENTS_OPTIMIZATION_GUIDE_OPTIMIZATION_TARGET_MODEL_OBSERVER_H_ |
| |
| #include "base/files/file_path.h" |
| #include "base/observer_list_types.h" |
| #include "components/optimization_guide/proto/models.pb.h" |
| |
| namespace optimization_guide { |
| |
| // Observes |optimization_guide::OptimizationGuideDecider| for updates to models |
| // for a particular optimization target. |
| class OptimizationTargetModelObserver : public base::CheckedObserver { |
| public: |
| // Invoked when a model for |optimization_target| has been updated. It is |
| // guaranteed that this method will only be invoked for targets that |this| |
| // is added as an observer for. |
| // |
| // When this observer is first added, it will call this function with the |
| // file path it already has on device, if applicable. |
| virtual void OnModelFileUpdated(proto::OptimizationTarget optimization_target, |
| const base::FilePath& file_path) = 0; |
| }; |
| |
| } // namespace optimization_guide |
| |
| #endif // COMPONENTS_OPTIMIZATION_GUIDE_OPTIMIZATION_TARGET_MODEL_OBSERVER_H_ |
