| // Copyright 2023 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef BASE_ANDROID_FEATURE_MAP_H_ |
| #define BASE_ANDROID_FEATURE_MAP_H_ |
| |
| #include "base/base_export.h" |
| #include "base/containers/flat_map.h" |
| #include "base/feature_list.h" |
| #include "base/strings/string_piece.h" |
| |
| namespace base::android { |
| |
| // A FeatureMap is a mapping from base:Feature's names to a pointer to the |
| // base:Feature. |
| // This is necessary because in Java, features flags are identified by the |
| // feature name, a string, so calls from Java to (for example) check the state |
| // of a feature flag need to convert the string to a non-owning Feature*. |
| // Each component should have its own FeatureMap. |
| class BASE_EXPORT FeatureMap { |
| public: |
| explicit FeatureMap(std::vector<const Feature*> featuresExposedToJava); |
| ~FeatureMap(); |
| |
| // Map a |feature_name| to a Feature*. |
| const Feature* FindFeatureExposedToJava(const StringPiece& feature_name); |
| |
| private: |
| flat_map<StringPiece, const Feature*> mapping_; |
| }; |
| |
| } // namespace base::android |
| |
| #endif // BASE_ANDROID_FEATURE_MAP_H_ |