| // Copyright 2017 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_GUIDE_SERVICE_OBSERVER_H_ |
| #define COMPONENTS_OPTIMIZATION_GUIDE_OPTIMIZATION_GUIDE_SERVICE_OBSERVER_H_ |
| |
| #include "base/version.h" |
| #include "components/optimization_guide/proto/hints.pb.h" |
| |
| namespace optimization_guide { |
| |
| // Encapsulates information about a version of optimization hints data received |
| // from the components server. |
| struct ComponentInfo { |
| ComponentInfo(const base::Version& hints_version, |
| const base::FilePath& hints_path); |
| ~ComponentInfo(); |
| |
| // The version of the hints content. |
| const base::Version hints_version; |
| |
| // The path to the file containing the hints protobuf file. |
| const base::FilePath hints_path; |
| }; |
| |
| // Interface for objects that wish to be notified of changes in the Optimization |
| // Guide Service. |
| // |
| // All calls will be made on the IO thread. |
| class OptimizationGuideServiceObserver { |
| public: |
| // Called when the hints have been processed. |
| virtual void OnHintsProcessed( |
| const proto::Configuration& config, |
| const optimization_guide::ComponentInfo& component_info) = 0; |
| |
| protected: |
| virtual ~OptimizationGuideServiceObserver() {} |
| }; |
| |
| } // namespace optimization_guide |
| |
| #endif // COMPONENTS_OPTIMIZATION_GUIDE_OPTIMIZATION_GUIDE_SERVICE_OBSERVER_H_ |