| // 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_ |
| |
| namespace optimization_guide { |
| |
| struct HintsComponentInfo; |
| |
| // Interface for objects that wish to be notified of changes in the Optimization |
| // Guide Service. |
| // |
| // All calls will be made on the UI thread. |
| class OptimizationGuideServiceObserver { |
| public: |
| // Called when a new hints component is available for processing. While this |
| // is called on the UI thread, it is recommended that processing of the new |
| // component via ProcessHintsComponent() occur on a background thread. |
| virtual void OnHintsComponentAvailable(const HintsComponentInfo& info) = 0; |
| |
| protected: |
| virtual ~OptimizationGuideServiceObserver() {} |
| }; |
| |
| } // namespace optimization_guide |
| |
| #endif // COMPONENTS_OPTIMIZATION_GUIDE_OPTIMIZATION_GUIDE_SERVICE_OBSERVER_H_ |
