| // Copyright 2019 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_DECIDER_H_ |
| #define COMPONENTS_OPTIMIZATION_GUIDE_OPTIMIZATION_GUIDE_DECIDER_H_ |
| |
| #include <vector> |
| |
| #include "components/optimization_guide/proto/hints.pb.h" |
| #include "components/optimization_guide/proto/models.pb.h" |
| |
| namespace content { |
| class NavigationHandle; |
| } // namespace content |
| |
| namespace optimization_guide { |
| |
| // Represents the decision made by the optimization guide. |
| enum class OptimizationGuideDecision { |
| // The necessary information to make the decision is not yet available. |
| kUnknown, |
| // The necessary information to make the decision is available and the |
| // decision is affirmative. |
| kTrue, |
| // The necessary information to make the decision is available and the |
| // decision is negative. |
| kFalse, |
| |
| // New values above this line. |
| kMaxValue = kFalse, |
| }; |
| |
| // Contains metadata for the optimization. |
| struct OptimizationMetadata { |
| // Only applicable for NOSCRIPT and RESOURCE_LOADING optimization types. |
| proto::PreviewsMetadata previews_metadata; |
| }; |
| |
| class OptimizationGuideDecider { |
| public: |
| // Registers the optimization types and targets that intend to be queried |
| // during the session. It is expected for this to be called after the browser |
| // has been initialized. |
| virtual void RegisterOptimizationTypesAndTargets( |
| const std::vector<proto::OptimizationType>& optimization_types, |
| const std::vector<proto::OptimizationTarget>& optimization_targets) = 0; |
| |
| // Returns whether the current conditions match |optimization_target| and |
| // |optimization_type| can be applied for the URL associated with |
| // |navigation_handle|. |
| virtual OptimizationGuideDecision CanApplyOptimization( |
| content::NavigationHandle* navigation_handle, |
| proto::OptimizationTarget optimization_target, |
| proto::OptimizationType optimization_type, |
| OptimizationMetadata* optimization_metadata) = 0; |
| |
| protected: |
| OptimizationGuideDecider() {} |
| virtual ~OptimizationGuideDecider() {} |
| }; |
| |
| } // namespace optimization_guide |
| |
| #endif // COMPONENTS_OPTIMIZATION_GUIDE_OPTIMIZATION_GUIDE_DECIDER_H_ |